Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_grpc_module.c @ 8179:559d19037984
Limit req: unlocking of nodes on complex value errors.
Previously, if there were multiple limits configured, errors in
ngx_http_complex_value() during processing of a non-first limit
resulted in reference count leak in shared memory nodes of already
processed limits. Fix is to explicity unlock relevant nodes, much
like we do when rejecting requests.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Thu, 08 Oct 2020 17:44:34 +0300 |
parents | 39501ce97e29 |
children | 485dba3e2a01 |
rev | line source |
---|---|
7233 | 1 |
2 /* | |
3 * Copyright (C) Maxim Dounin | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
11 | |
12 | |
13 typedef struct { | |
14 ngx_array_t *flushes; | |
15 ngx_array_t *lengths; | |
16 ngx_array_t *values; | |
17 ngx_hash_t hash; | |
18 } ngx_http_grpc_headers_t; | |
19 | |
20 | |
21 typedef struct { | |
22 ngx_http_upstream_conf_t upstream; | |
23 | |
24 ngx_http_grpc_headers_t headers; | |
25 ngx_array_t *headers_source; | |
26 | |
27 ngx_str_t host; | |
28 ngx_uint_t host_set; | |
29 | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
30 ngx_array_t *grpc_lengths; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
31 ngx_array_t *grpc_values; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
32 |
7233 | 33 #if (NGX_HTTP_SSL) |
34 ngx_uint_t ssl; | |
35 ngx_uint_t ssl_protocols; | |
36 ngx_str_t ssl_ciphers; | |
37 ngx_uint_t ssl_verify_depth; | |
38 ngx_str_t ssl_trusted_certificate; | |
39 ngx_str_t ssl_crl; | |
40 ngx_str_t ssl_certificate; | |
41 ngx_str_t ssl_certificate_key; | |
42 ngx_array_t *ssl_passwords; | |
43 #endif | |
44 } ngx_http_grpc_loc_conf_t; | |
45 | |
46 | |
47 typedef enum { | |
48 ngx_http_grpc_st_start = 0, | |
49 ngx_http_grpc_st_length_2, | |
50 ngx_http_grpc_st_length_3, | |
51 ngx_http_grpc_st_type, | |
52 ngx_http_grpc_st_flags, | |
53 ngx_http_grpc_st_stream_id, | |
54 ngx_http_grpc_st_stream_id_2, | |
55 ngx_http_grpc_st_stream_id_3, | |
56 ngx_http_grpc_st_stream_id_4, | |
57 ngx_http_grpc_st_payload, | |
58 ngx_http_grpc_st_padding | |
59 } ngx_http_grpc_state_e; | |
60 | |
61 | |
62 typedef struct { | |
63 size_t init_window; | |
64 size_t send_window; | |
65 size_t recv_window; | |
66 ngx_uint_t last_stream_id; | |
67 } ngx_http_grpc_conn_t; | |
68 | |
69 | |
70 typedef struct { | |
71 ngx_http_grpc_state_e state; | |
72 ngx_uint_t frame_state; | |
73 ngx_uint_t fragment_state; | |
74 | |
75 ngx_chain_t *in; | |
76 ngx_chain_t *out; | |
77 ngx_chain_t *free; | |
78 ngx_chain_t *busy; | |
79 | |
80 ngx_http_grpc_conn_t *connection; | |
81 | |
82 ngx_uint_t id; | |
83 | |
7379
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
84 ngx_uint_t pings; |
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
85 ngx_uint_t settings; |
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
86 |
7983
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
87 off_t length; |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
88 |
7233 | 89 ssize_t send_window; |
90 size_t recv_window; | |
91 | |
92 size_t rest; | |
93 ngx_uint_t stream_id; | |
94 u_char type; | |
95 u_char flags; | |
96 u_char padding; | |
97 | |
98 ngx_uint_t error; | |
99 ngx_uint_t window_update; | |
100 | |
101 ngx_uint_t setting_id; | |
102 ngx_uint_t setting_value; | |
103 | |
104 u_char ping_data[8]; | |
105 | |
106 ngx_uint_t index; | |
107 ngx_str_t name; | |
108 ngx_str_t value; | |
109 | |
110 u_char *field_end; | |
111 size_t field_length; | |
112 size_t field_rest; | |
113 u_char field_state; | |
114 | |
115 unsigned literal:1; | |
116 unsigned field_huffman:1; | |
117 | |
118 unsigned header_sent:1; | |
119 unsigned output_closed:1; | |
7350
67c6cb7f477c
gRPC: disabled keepalive when sending control frames was blocked.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7349
diff
changeset
|
120 unsigned output_blocked:1; |
7233 | 121 unsigned parsing_headers:1; |
122 unsigned end_stream:1; | |
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
123 unsigned done:1; |
7233 | 124 unsigned status:1; |
7892
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
125 unsigned rst:1; |
7233 | 126 |
127 ngx_http_request_t *request; | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
128 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
129 ngx_str_t host; |
7233 | 130 } ngx_http_grpc_ctx_t; |
131 | |
132 | |
133 typedef struct { | |
134 u_char length_0; | |
135 u_char length_1; | |
136 u_char length_2; | |
137 u_char type; | |
138 u_char flags; | |
139 u_char stream_id_0; | |
140 u_char stream_id_1; | |
141 u_char stream_id_2; | |
142 u_char stream_id_3; | |
143 } ngx_http_grpc_frame_t; | |
144 | |
145 | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
146 static ngx_int_t ngx_http_grpc_eval(ngx_http_request_t *r, |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
147 ngx_http_grpc_ctx_t *ctx, ngx_http_grpc_loc_conf_t *glcf); |
7233 | 148 static ngx_int_t ngx_http_grpc_create_request(ngx_http_request_t *r); |
149 static ngx_int_t ngx_http_grpc_reinit_request(ngx_http_request_t *r); | |
150 static ngx_int_t ngx_http_grpc_body_output_filter(void *data, ngx_chain_t *in); | |
151 static ngx_int_t ngx_http_grpc_process_header(ngx_http_request_t *r); | |
152 static ngx_int_t ngx_http_grpc_filter_init(void *data); | |
153 static ngx_int_t ngx_http_grpc_filter(void *data, ssize_t bytes); | |
154 | |
155 static ngx_int_t ngx_http_grpc_parse_frame(ngx_http_request_t *r, | |
156 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
157 static ngx_int_t ngx_http_grpc_parse_header(ngx_http_request_t *r, | |
158 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
159 static ngx_int_t ngx_http_grpc_parse_fragment(ngx_http_request_t *r, | |
160 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
161 static ngx_int_t ngx_http_grpc_validate_header_name(ngx_http_request_t *r, | |
162 ngx_str_t *s); | |
163 static ngx_int_t ngx_http_grpc_validate_header_value(ngx_http_request_t *r, | |
164 ngx_str_t *s); | |
165 static ngx_int_t ngx_http_grpc_parse_rst_stream(ngx_http_request_t *r, | |
166 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
167 static ngx_int_t ngx_http_grpc_parse_goaway(ngx_http_request_t *r, | |
168 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
169 static ngx_int_t ngx_http_grpc_parse_window_update(ngx_http_request_t *r, | |
170 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
171 static ngx_int_t ngx_http_grpc_parse_settings(ngx_http_request_t *r, | |
172 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
173 static ngx_int_t ngx_http_grpc_parse_ping(ngx_http_request_t *r, | |
174 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
175 | |
176 static ngx_int_t ngx_http_grpc_send_settings_ack(ngx_http_request_t *r, | |
177 ngx_http_grpc_ctx_t *ctx); | |
178 static ngx_int_t ngx_http_grpc_send_ping_ack(ngx_http_request_t *r, | |
179 ngx_http_grpc_ctx_t *ctx); | |
180 static ngx_int_t ngx_http_grpc_send_window_update(ngx_http_request_t *r, | |
181 ngx_http_grpc_ctx_t *ctx); | |
182 | |
183 static ngx_chain_t *ngx_http_grpc_get_buf(ngx_http_request_t *r, | |
184 ngx_http_grpc_ctx_t *ctx); | |
185 static ngx_http_grpc_ctx_t *ngx_http_grpc_get_ctx(ngx_http_request_t *r); | |
186 static ngx_int_t ngx_http_grpc_get_connection_data(ngx_http_request_t *r, | |
187 ngx_http_grpc_ctx_t *ctx, ngx_peer_connection_t *pc); | |
188 static void ngx_http_grpc_cleanup(void *data); | |
189 | |
190 static void ngx_http_grpc_abort_request(ngx_http_request_t *r); | |
191 static void ngx_http_grpc_finalize_request(ngx_http_request_t *r, | |
192 ngx_int_t rc); | |
193 | |
7234
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
194 static ngx_int_t ngx_http_grpc_internal_trailers_variable( |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
195 ngx_http_request_t *r, ngx_http_variable_value_t *v, uintptr_t data); |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
196 |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
197 static ngx_int_t ngx_http_grpc_add_variables(ngx_conf_t *cf); |
7233 | 198 static void *ngx_http_grpc_create_loc_conf(ngx_conf_t *cf); |
199 static char *ngx_http_grpc_merge_loc_conf(ngx_conf_t *cf, | |
200 void *parent, void *child); | |
201 static ngx_int_t ngx_http_grpc_init_headers(ngx_conf_t *cf, | |
202 ngx_http_grpc_loc_conf_t *conf, ngx_http_grpc_headers_t *headers, | |
203 ngx_keyval_t *default_headers); | |
204 | |
205 static char *ngx_http_grpc_pass(ngx_conf_t *cf, ngx_command_t *cmd, | |
206 void *conf); | |
207 | |
208 #if (NGX_HTTP_SSL) | |
209 static char *ngx_http_grpc_ssl_password_file(ngx_conf_t *cf, | |
210 ngx_command_t *cmd, void *conf); | |
211 static ngx_int_t ngx_http_grpc_set_ssl(ngx_conf_t *cf, | |
212 ngx_http_grpc_loc_conf_t *glcf); | |
213 #endif | |
214 | |
215 | |
216 static ngx_conf_bitmask_t ngx_http_grpc_next_upstream_masks[] = { | |
217 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, | |
218 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, | |
219 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, | |
220 { ngx_string("non_idempotent"), NGX_HTTP_UPSTREAM_FT_NON_IDEMPOTENT }, | |
221 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, | |
222 { ngx_string("http_502"), NGX_HTTP_UPSTREAM_FT_HTTP_502 }, | |
223 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, | |
224 { ngx_string("http_504"), NGX_HTTP_UPSTREAM_FT_HTTP_504 }, | |
225 { ngx_string("http_403"), NGX_HTTP_UPSTREAM_FT_HTTP_403 }, | |
226 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, | |
227 { ngx_string("http_429"), NGX_HTTP_UPSTREAM_FT_HTTP_429 }, | |
228 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, | |
229 { ngx_null_string, 0 } | |
230 }; | |
231 | |
232 | |
233 #if (NGX_HTTP_SSL) | |
234 | |
235 static ngx_conf_bitmask_t ngx_http_grpc_ssl_protocols[] = { | |
236 { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, | |
237 { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, | |
238 { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, | |
239 { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 }, | |
240 { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 }, | |
241 { ngx_string("TLSv1.3"), NGX_SSL_TLSv1_3 }, | |
242 { ngx_null_string, 0 } | |
243 }; | |
244 | |
245 #endif | |
246 | |
247 | |
248 static ngx_command_t ngx_http_grpc_commands[] = { | |
249 | |
250 { ngx_string("grpc_pass"), | |
251 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, | |
252 ngx_http_grpc_pass, | |
253 NGX_HTTP_LOC_CONF_OFFSET, | |
254 0, | |
255 NULL }, | |
256 | |
257 { ngx_string("grpc_bind"), | |
258 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, | |
259 ngx_http_upstream_bind_set_slot, | |
260 NGX_HTTP_LOC_CONF_OFFSET, | |
261 offsetof(ngx_http_grpc_loc_conf_t, upstream.local), | |
262 NULL }, | |
263 | |
7371
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
264 { ngx_string("grpc_socket_keepalive"), |
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
265 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
266 ngx_conf_set_flag_slot, |
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
267 NGX_HTTP_LOC_CONF_OFFSET, |
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
268 offsetof(ngx_http_grpc_loc_conf_t, upstream.socket_keepalive), |
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
269 NULL }, |
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
270 |
7233 | 271 { ngx_string("grpc_connect_timeout"), |
272 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
273 ngx_conf_set_msec_slot, | |
274 NGX_HTTP_LOC_CONF_OFFSET, | |
275 offsetof(ngx_http_grpc_loc_conf_t, upstream.connect_timeout), | |
276 NULL }, | |
277 | |
278 { ngx_string("grpc_send_timeout"), | |
279 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
280 ngx_conf_set_msec_slot, | |
281 NGX_HTTP_LOC_CONF_OFFSET, | |
282 offsetof(ngx_http_grpc_loc_conf_t, upstream.send_timeout), | |
283 NULL }, | |
284 | |
285 { ngx_string("grpc_intercept_errors"), | |
286 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
287 ngx_conf_set_flag_slot, | |
288 NGX_HTTP_LOC_CONF_OFFSET, | |
289 offsetof(ngx_http_grpc_loc_conf_t, upstream.intercept_errors), | |
290 NULL }, | |
291 | |
292 { ngx_string("grpc_buffer_size"), | |
293 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
294 ngx_conf_set_size_slot, | |
295 NGX_HTTP_LOC_CONF_OFFSET, | |
296 offsetof(ngx_http_grpc_loc_conf_t, upstream.buffer_size), | |
297 NULL }, | |
298 | |
299 { ngx_string("grpc_read_timeout"), | |
300 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
301 ngx_conf_set_msec_slot, | |
302 NGX_HTTP_LOC_CONF_OFFSET, | |
303 offsetof(ngx_http_grpc_loc_conf_t, upstream.read_timeout), | |
304 NULL }, | |
305 | |
306 { ngx_string("grpc_next_upstream"), | |
307 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
308 ngx_conf_set_bitmask_slot, | |
309 NGX_HTTP_LOC_CONF_OFFSET, | |
310 offsetof(ngx_http_grpc_loc_conf_t, upstream.next_upstream), | |
311 &ngx_http_grpc_next_upstream_masks }, | |
312 | |
313 { ngx_string("grpc_next_upstream_tries"), | |
314 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
315 ngx_conf_set_num_slot, | |
316 NGX_HTTP_LOC_CONF_OFFSET, | |
317 offsetof(ngx_http_grpc_loc_conf_t, upstream.next_upstream_tries), | |
318 NULL }, | |
319 | |
320 { ngx_string("grpc_next_upstream_timeout"), | |
321 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
322 ngx_conf_set_msec_slot, | |
323 NGX_HTTP_LOC_CONF_OFFSET, | |
324 offsetof(ngx_http_grpc_loc_conf_t, upstream.next_upstream_timeout), | |
325 NULL }, | |
326 | |
327 { ngx_string("grpc_set_header"), | |
328 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
329 ngx_conf_set_keyval_slot, | |
330 NGX_HTTP_LOC_CONF_OFFSET, | |
331 offsetof(ngx_http_grpc_loc_conf_t, headers_source), | |
332 NULL }, | |
333 | |
334 { ngx_string("grpc_pass_header"), | |
335 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
336 ngx_conf_set_str_array_slot, | |
337 NGX_HTTP_LOC_CONF_OFFSET, | |
338 offsetof(ngx_http_grpc_loc_conf_t, upstream.pass_headers), | |
339 NULL }, | |
340 | |
341 { ngx_string("grpc_hide_header"), | |
342 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
343 ngx_conf_set_str_array_slot, | |
344 NGX_HTTP_LOC_CONF_OFFSET, | |
345 offsetof(ngx_http_grpc_loc_conf_t, upstream.hide_headers), | |
346 NULL }, | |
347 | |
348 { ngx_string("grpc_ignore_headers"), | |
349 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
350 ngx_conf_set_bitmask_slot, | |
351 NGX_HTTP_LOC_CONF_OFFSET, | |
352 offsetof(ngx_http_grpc_loc_conf_t, upstream.ignore_headers), | |
353 &ngx_http_upstream_ignore_headers_masks }, | |
354 | |
355 #if (NGX_HTTP_SSL) | |
356 | |
357 { ngx_string("grpc_ssl_session_reuse"), | |
358 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
359 ngx_conf_set_flag_slot, | |
360 NGX_HTTP_LOC_CONF_OFFSET, | |
361 offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_session_reuse), | |
362 NULL }, | |
363 | |
364 { ngx_string("grpc_ssl_protocols"), | |
365 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
366 ngx_conf_set_bitmask_slot, | |
367 NGX_HTTP_LOC_CONF_OFFSET, | |
368 offsetof(ngx_http_grpc_loc_conf_t, ssl_protocols), | |
369 &ngx_http_grpc_ssl_protocols }, | |
370 | |
371 { ngx_string("grpc_ssl_ciphers"), | |
372 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
373 ngx_conf_set_str_slot, | |
374 NGX_HTTP_LOC_CONF_OFFSET, | |
375 offsetof(ngx_http_grpc_loc_conf_t, ssl_ciphers), | |
376 NULL }, | |
377 | |
378 { ngx_string("grpc_ssl_name"), | |
379 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
380 ngx_http_set_complex_value_slot, | |
381 NGX_HTTP_LOC_CONF_OFFSET, | |
382 offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_name), | |
383 NULL }, | |
384 | |
385 { ngx_string("grpc_ssl_server_name"), | |
386 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
387 ngx_conf_set_flag_slot, | |
388 NGX_HTTP_LOC_CONF_OFFSET, | |
389 offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_server_name), | |
390 NULL }, | |
391 | |
392 { ngx_string("grpc_ssl_verify"), | |
393 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
394 ngx_conf_set_flag_slot, | |
395 NGX_HTTP_LOC_CONF_OFFSET, | |
396 offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_verify), | |
397 NULL }, | |
398 | |
399 { ngx_string("grpc_ssl_verify_depth"), | |
400 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
401 ngx_conf_set_num_slot, | |
402 NGX_HTTP_LOC_CONF_OFFSET, | |
403 offsetof(ngx_http_grpc_loc_conf_t, ssl_verify_depth), | |
404 NULL }, | |
405 | |
406 { ngx_string("grpc_ssl_trusted_certificate"), | |
407 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
408 ngx_conf_set_str_slot, | |
409 NGX_HTTP_LOC_CONF_OFFSET, | |
410 offsetof(ngx_http_grpc_loc_conf_t, ssl_trusted_certificate), | |
411 NULL }, | |
412 | |
413 { ngx_string("grpc_ssl_crl"), | |
414 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
415 ngx_conf_set_str_slot, | |
416 NGX_HTTP_LOC_CONF_OFFSET, | |
417 offsetof(ngx_http_grpc_loc_conf_t, ssl_crl), | |
418 NULL }, | |
419 | |
420 { ngx_string("grpc_ssl_certificate"), | |
421 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
422 ngx_conf_set_str_slot, | |
423 NGX_HTTP_LOC_CONF_OFFSET, | |
424 offsetof(ngx_http_grpc_loc_conf_t, ssl_certificate), | |
425 NULL }, | |
426 | |
427 { ngx_string("grpc_ssl_certificate_key"), | |
428 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
429 ngx_conf_set_str_slot, | |
430 NGX_HTTP_LOC_CONF_OFFSET, | |
431 offsetof(ngx_http_grpc_loc_conf_t, ssl_certificate_key), | |
432 NULL }, | |
433 | |
434 { ngx_string("grpc_ssl_password_file"), | |
435 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
436 ngx_http_grpc_ssl_password_file, | |
437 NGX_HTTP_LOC_CONF_OFFSET, | |
438 0, | |
439 NULL }, | |
440 | |
441 #endif | |
442 | |
443 ngx_null_command | |
444 }; | |
445 | |
446 | |
447 static ngx_http_module_t ngx_http_grpc_module_ctx = { | |
7234
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
448 ngx_http_grpc_add_variables, /* preconfiguration */ |
7233 | 449 NULL, /* postconfiguration */ |
450 | |
451 NULL, /* create main configuration */ | |
452 NULL, /* init main configuration */ | |
453 | |
454 NULL, /* create server configuration */ | |
455 NULL, /* merge server configuration */ | |
456 | |
457 ngx_http_grpc_create_loc_conf, /* create location configuration */ | |
458 ngx_http_grpc_merge_loc_conf /* merge location configuration */ | |
459 }; | |
460 | |
461 | |
462 ngx_module_t ngx_http_grpc_module = { | |
463 NGX_MODULE_V1, | |
464 &ngx_http_grpc_module_ctx, /* module context */ | |
465 ngx_http_grpc_commands, /* module directives */ | |
466 NGX_HTTP_MODULE, /* module type */ | |
467 NULL, /* init master */ | |
468 NULL, /* init module */ | |
469 NULL, /* init process */ | |
470 NULL, /* init thread */ | |
471 NULL, /* exit thread */ | |
472 NULL, /* exit process */ | |
473 NULL, /* exit master */ | |
474 NGX_MODULE_V1_PADDING | |
475 }; | |
476 | |
477 | |
478 static u_char ngx_http_grpc_connection_start[] = | |
479 "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" /* connection preface */ | |
480 | |
481 "\x00\x00\x12\x04\x00\x00\x00\x00\x00" /* settings frame */ | |
482 "\x00\x01\x00\x00\x00\x00" /* header table size */ | |
483 "\x00\x02\x00\x00\x00\x00" /* disable push */ | |
484 "\x00\x04\x7f\xff\xff\xff" /* initial window */ | |
485 | |
486 "\x00\x00\x04\x08\x00\x00\x00\x00\x00" /* window update frame */ | |
487 "\x7f\xff\x00\x00"; | |
488 | |
489 | |
490 static ngx_keyval_t ngx_http_grpc_headers[] = { | |
491 { ngx_string("Content-Length"), ngx_string("$content_length") }, | |
7234
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
492 { ngx_string("TE"), ngx_string("$grpc_internal_trailers") }, |
7233 | 493 { ngx_string("Host"), ngx_string("") }, |
494 { ngx_string("Connection"), ngx_string("") }, | |
495 { ngx_string("Transfer-Encoding"), ngx_string("") }, | |
496 { ngx_string("Keep-Alive"), ngx_string("") }, | |
497 { ngx_string("Expect"), ngx_string("") }, | |
498 { ngx_string("Upgrade"), ngx_string("") }, | |
499 { ngx_null_string, ngx_null_string } | |
500 }; | |
501 | |
502 | |
503 static ngx_str_t ngx_http_grpc_hide_headers[] = { | |
504 ngx_string("Date"), | |
505 ngx_string("Server"), | |
506 ngx_string("X-Accel-Expires"), | |
507 ngx_string("X-Accel-Redirect"), | |
508 ngx_string("X-Accel-Limit-Rate"), | |
509 ngx_string("X-Accel-Buffering"), | |
510 ngx_string("X-Accel-Charset"), | |
511 ngx_null_string | |
512 }; | |
513 | |
514 | |
7234
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
515 static ngx_http_variable_t ngx_http_grpc_vars[] = { |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
516 |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
517 { ngx_string("grpc_internal_trailers"), NULL, |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
518 ngx_http_grpc_internal_trailers_variable, 0, |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
519 NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
520 |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
521 ngx_http_null_variable |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
522 }; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
523 |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
524 |
7233 | 525 static ngx_int_t |
526 ngx_http_grpc_handler(ngx_http_request_t *r) | |
527 { | |
528 ngx_int_t rc; | |
529 ngx_http_upstream_t *u; | |
530 ngx_http_grpc_ctx_t *ctx; | |
531 ngx_http_grpc_loc_conf_t *glcf; | |
532 | |
533 if (ngx_http_upstream_create(r) != NGX_OK) { | |
534 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
535 } | |
536 | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
537 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_grpc_ctx_t)); |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
538 if (ctx == NULL) { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
539 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
540 } |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
541 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
542 ctx->request = r; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
543 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
544 ngx_http_set_ctx(r, ctx, ngx_http_grpc_module); |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
545 |
7233 | 546 glcf = ngx_http_get_module_loc_conf(r, ngx_http_grpc_module); |
547 | |
548 u = r->upstream; | |
549 | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
550 if (glcf->grpc_lengths == NULL) { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
551 ctx->host = glcf->host; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
552 |
7233 | 553 #if (NGX_HTTP_SSL) |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
554 u->ssl = (glcf->upstream.ssl != NULL); |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
555 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
556 if (u->ssl) { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
557 ngx_str_set(&u->schema, "grpcs://"); |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
558 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
559 } else { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
560 ngx_str_set(&u->schema, "grpc://"); |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
561 } |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
562 #else |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
563 ngx_str_set(&u->schema, "grpc://"); |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
564 #endif |
7233 | 565 |
566 } else { | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
567 if (ngx_http_grpc_eval(r, ctx, glcf) != NGX_OK) { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
568 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
569 } |
7233 | 570 } |
571 | |
572 u->output.tag = (ngx_buf_tag_t) &ngx_http_grpc_module; | |
573 | |
574 u->conf = &glcf->upstream; | |
575 | |
576 u->create_request = ngx_http_grpc_create_request; | |
577 u->reinit_request = ngx_http_grpc_reinit_request; | |
578 u->process_header = ngx_http_grpc_process_header; | |
579 u->abort_request = ngx_http_grpc_abort_request; | |
580 u->finalize_request = ngx_http_grpc_finalize_request; | |
581 | |
582 u->input_filter_init = ngx_http_grpc_filter_init; | |
583 u->input_filter = ngx_http_grpc_filter; | |
584 u->input_filter_ctx = ctx; | |
585 | |
586 r->request_body_no_buffering = 1; | |
587 | |
588 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); | |
589 | |
590 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { | |
591 return rc; | |
592 } | |
593 | |
594 return NGX_DONE; | |
595 } | |
596 | |
597 | |
598 static ngx_int_t | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
599 ngx_http_grpc_eval(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
600 ngx_http_grpc_loc_conf_t *glcf) |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
601 { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
602 size_t add; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
603 ngx_url_t url; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
604 ngx_http_upstream_t *u; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
605 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
606 ngx_memzero(&url, sizeof(ngx_url_t)); |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
607 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
608 if (ngx_http_script_run(r, &url.url, glcf->grpc_lengths->elts, 0, |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
609 glcf->grpc_values->elts) |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
610 == NULL) |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
611 { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
612 return NGX_ERROR; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
613 } |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
614 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
615 if (url.url.len > 7 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
616 && ngx_strncasecmp(url.url.data, (u_char *) "grpc://", 7) == 0) |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
617 { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
618 add = 7; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
619 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
620 } else if (url.url.len > 8 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
621 && ngx_strncasecmp(url.url.data, (u_char *) "grpcs://", 8) == 0) |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
622 { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
623 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
624 #if (NGX_HTTP_SSL) |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
625 add = 8; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
626 r->upstream->ssl = 1; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
627 #else |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
628 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
629 "grpcs protocol requires SSL support"); |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
630 return NGX_ERROR; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
631 #endif |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
632 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
633 } else { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
634 add = 0; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
635 } |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
636 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
637 u = r->upstream; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
638 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
639 if (add) { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
640 u->schema.len = add; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
641 u->schema.data = url.url.data; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
642 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
643 url.url.data += add; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
644 url.url.len -= add; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
645 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
646 } else { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
647 ngx_str_set(&u->schema, "grpc://"); |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
648 } |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
649 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
650 url.no_resolve = 1; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
651 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
652 if (ngx_parse_url(r->pool, &url) != NGX_OK) { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
653 if (url.err) { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
654 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
655 "%s in upstream \"%V\"", url.err, &url.url); |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
656 } |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
657 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
658 return NGX_ERROR; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
659 } |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
660 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
661 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t)); |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
662 if (u->resolved == NULL) { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
663 return NGX_ERROR; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
664 } |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
665 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
666 if (url.addrs) { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
667 u->resolved->sockaddr = url.addrs[0].sockaddr; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
668 u->resolved->socklen = url.addrs[0].socklen; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
669 u->resolved->name = url.addrs[0].name; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
670 u->resolved->naddrs = 1; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
671 } |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
672 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
673 u->resolved->host = url.host; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
674 u->resolved->port = url.port; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
675 u->resolved->no_port = url.no_port; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
676 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
677 if (url.family != AF_UNIX) { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
678 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
679 if (url.no_port) { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
680 ctx->host = url.host; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
681 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
682 } else { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
683 ctx->host.len = url.host.len + 1 + url.port_text.len; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
684 ctx->host.data = url.host.data; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
685 } |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
686 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
687 } else { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
688 ngx_str_set(&ctx->host, "localhost"); |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
689 } |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
690 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
691 return NGX_OK; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
692 } |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
693 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
694 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
695 static ngx_int_t |
7233 | 696 ngx_http_grpc_create_request(ngx_http_request_t *r) |
697 { | |
698 u_char *p, *tmp, *key_tmp, *val_tmp, *headers_frame; | |
699 size_t len, tmp_len, key_len, val_len, uri_len; | |
700 uintptr_t escape; | |
701 ngx_buf_t *b; | |
702 ngx_uint_t i, next; | |
703 ngx_chain_t *cl, *body; | |
704 ngx_list_part_t *part; | |
705 ngx_table_elt_t *header; | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
706 ngx_http_grpc_ctx_t *ctx; |
7233 | 707 ngx_http_upstream_t *u; |
708 ngx_http_grpc_frame_t *f; | |
709 ngx_http_script_code_pt code; | |
710 ngx_http_grpc_loc_conf_t *glcf; | |
711 ngx_http_script_engine_t e, le; | |
712 ngx_http_script_len_code_pt lcode; | |
713 | |
714 u = r->upstream; | |
715 | |
716 glcf = ngx_http_get_module_loc_conf(r, ngx_http_grpc_module); | |
717 | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
718 ctx = ngx_http_get_module_ctx(r, ngx_http_grpc_module); |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
719 |
7233 | 720 len = sizeof(ngx_http_grpc_connection_start) - 1 |
721 + sizeof(ngx_http_grpc_frame_t); /* headers frame */ | |
722 | |
723 /* :method header */ | |
724 | |
725 if (r->method == NGX_HTTP_GET || r->method == NGX_HTTP_POST) { | |
726 len += 1; | |
727 tmp_len = 0; | |
728 | |
729 } else { | |
730 len += 1 + NGX_HTTP_V2_INT_OCTETS + r->method_name.len; | |
731 tmp_len = r->method_name.len; | |
732 } | |
733 | |
734 /* :scheme header */ | |
735 | |
736 len += 1; | |
737 | |
738 /* :path header */ | |
739 | |
740 if (r->valid_unparsed_uri) { | |
741 escape = 0; | |
742 uri_len = r->unparsed_uri.len; | |
743 | |
744 } else { | |
745 escape = 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, | |
746 NGX_ESCAPE_URI); | |
747 uri_len = r->uri.len + escape + sizeof("?") - 1 + r->args.len; | |
748 } | |
749 | |
750 len += 1 + NGX_HTTP_V2_INT_OCTETS + uri_len; | |
751 | |
752 if (tmp_len < uri_len) { | |
753 tmp_len = uri_len; | |
754 } | |
755 | |
756 /* :authority header */ | |
757 | |
758 if (!glcf->host_set) { | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
759 len += 1 + NGX_HTTP_V2_INT_OCTETS + ctx->host.len; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
760 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
761 if (tmp_len < ctx->host.len) { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
762 tmp_len = ctx->host.len; |
7233 | 763 } |
764 } | |
765 | |
766 /* other headers */ | |
767 | |
768 ngx_http_script_flush_no_cacheable_variables(r, glcf->headers.flushes); | |
769 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
770 | |
771 le.ip = glcf->headers.lengths->elts; | |
772 le.request = r; | |
773 le.flushed = 1; | |
774 | |
775 while (*(uintptr_t *) le.ip) { | |
776 | |
777 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
778 key_len = lcode(&le); | |
779 | |
780 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { | |
781 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
782 } | |
783 le.ip += sizeof(uintptr_t); | |
784 | |
785 if (val_len == 0) { | |
786 continue; | |
787 } | |
788 | |
789 len += 1 + NGX_HTTP_V2_INT_OCTETS + key_len | |
790 + NGX_HTTP_V2_INT_OCTETS + val_len; | |
791 | |
792 if (tmp_len < key_len) { | |
793 tmp_len = key_len; | |
794 } | |
795 | |
796 if (tmp_len < val_len) { | |
797 tmp_len = val_len; | |
798 } | |
799 } | |
800 | |
801 if (glcf->upstream.pass_request_headers) { | |
802 part = &r->headers_in.headers.part; | |
803 header = part->elts; | |
804 | |
805 for (i = 0; /* void */; i++) { | |
806 | |
807 if (i >= part->nelts) { | |
808 if (part->next == NULL) { | |
809 break; | |
810 } | |
811 | |
812 part = part->next; | |
813 header = part->elts; | |
814 i = 0; | |
815 } | |
816 | |
817 if (ngx_hash_find(&glcf->headers.hash, header[i].hash, | |
818 header[i].lowcase_key, header[i].key.len)) | |
819 { | |
820 continue; | |
821 } | |
822 | |
823 len += 1 + NGX_HTTP_V2_INT_OCTETS + header[i].key.len | |
824 + NGX_HTTP_V2_INT_OCTETS + header[i].value.len; | |
825 | |
826 if (tmp_len < header[i].key.len) { | |
827 tmp_len = header[i].key.len; | |
828 } | |
829 | |
830 if (tmp_len < header[i].value.len) { | |
831 tmp_len = header[i].value.len; | |
832 } | |
833 } | |
834 } | |
835 | |
836 /* continuation frames */ | |
837 | |
838 len += sizeof(ngx_http_grpc_frame_t) | |
839 * (len / NGX_HTTP_V2_DEFAULT_FRAME_SIZE); | |
840 | |
841 | |
842 b = ngx_create_temp_buf(r->pool, len); | |
843 if (b == NULL) { | |
844 return NGX_ERROR; | |
845 } | |
846 | |
847 cl = ngx_alloc_chain_link(r->pool); | |
848 if (cl == NULL) { | |
849 return NGX_ERROR; | |
850 } | |
851 | |
852 cl->buf = b; | |
853 cl->next = NULL; | |
854 | |
855 tmp = ngx_palloc(r->pool, tmp_len * 3); | |
856 if (tmp == NULL) { | |
857 return NGX_ERROR; | |
858 } | |
859 | |
860 key_tmp = tmp + tmp_len; | |
861 val_tmp = tmp + 2 * tmp_len; | |
862 | |
863 /* connection preface */ | |
864 | |
865 b->last = ngx_copy(b->last, ngx_http_grpc_connection_start, | |
866 sizeof(ngx_http_grpc_connection_start) - 1); | |
867 | |
868 /* headers frame */ | |
869 | |
870 headers_frame = b->last; | |
871 | |
872 f = (ngx_http_grpc_frame_t *) b->last; | |
873 b->last += sizeof(ngx_http_grpc_frame_t); | |
874 | |
875 f->length_0 = 0; | |
876 f->length_1 = 0; | |
877 f->length_2 = 0; | |
878 f->type = NGX_HTTP_V2_HEADERS_FRAME; | |
879 f->flags = 0; | |
880 f->stream_id_0 = 0; | |
881 f->stream_id_1 = 0; | |
882 f->stream_id_2 = 0; | |
883 f->stream_id_3 = 1; | |
884 | |
885 if (r->method == NGX_HTTP_GET) { | |
886 *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_METHOD_GET_INDEX); | |
887 | |
888 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
889 "grpc header: \":method: GET\""); | |
890 | |
891 } else if (r->method == NGX_HTTP_POST) { | |
892 *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_METHOD_POST_INDEX); | |
893 | |
894 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
895 "grpc header: \":method: POST\""); | |
896 | |
897 } else { | |
898 *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_METHOD_INDEX); | |
899 b->last = ngx_http_v2_write_value(b->last, r->method_name.data, | |
900 r->method_name.len, tmp); | |
901 | |
902 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
903 "grpc header: \":method: %V\"", &r->method_name); | |
904 } | |
905 | |
906 #if (NGX_HTTP_SSL) | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
907 if (u->ssl) { |
7233 | 908 *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_SCHEME_HTTPS_INDEX); |
909 | |
910 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
911 "grpc header: \":scheme: https\""); | |
912 } else | |
913 #endif | |
914 { | |
915 *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_SCHEME_HTTP_INDEX); | |
916 | |
917 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
918 "grpc header: \":scheme: http\""); | |
919 } | |
920 | |
921 if (r->valid_unparsed_uri) { | |
922 | |
923 if (r->unparsed_uri.len == 1 && r->unparsed_uri.data[0] == '/') { | |
924 *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_PATH_ROOT_INDEX); | |
925 | |
926 } else { | |
927 *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_PATH_INDEX); | |
928 b->last = ngx_http_v2_write_value(b->last, r->unparsed_uri.data, | |
929 r->unparsed_uri.len, tmp); | |
930 } | |
931 | |
932 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
933 "grpc header: \":path: %V\"", &r->unparsed_uri); | |
934 | |
935 } else if (escape || r->args.len > 0) { | |
936 p = val_tmp; | |
937 | |
938 if (escape) { | |
939 p = (u_char *) ngx_escape_uri(p, r->uri.data, r->uri.len, | |
940 NGX_ESCAPE_URI); | |
941 | |
942 } else { | |
943 p = ngx_copy(p, r->uri.data, r->uri.len); | |
944 } | |
945 | |
946 if (r->args.len > 0) { | |
947 *p++ = '?'; | |
948 p = ngx_copy(p, r->args.data, r->args.len); | |
949 } | |
950 | |
951 *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_PATH_INDEX); | |
952 b->last = ngx_http_v2_write_value(b->last, val_tmp, p - val_tmp, tmp); | |
953 | |
954 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
955 "grpc header: \":path: %*s\"", p - val_tmp, val_tmp); | |
956 | |
957 } else { | |
958 *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_PATH_INDEX); | |
959 b->last = ngx_http_v2_write_value(b->last, r->uri.data, | |
960 r->uri.len, tmp); | |
961 | |
962 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
963 "grpc header: \":path: %V\"", &r->uri); | |
964 } | |
965 | |
966 if (!glcf->host_set) { | |
967 *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_AUTHORITY_INDEX); | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
968 b->last = ngx_http_v2_write_value(b->last, ctx->host.data, |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
969 ctx->host.len, tmp); |
7233 | 970 |
971 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
972 "grpc header: \":authority: %V\"", &ctx->host); |
7233 | 973 } |
974 | |
975 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
976 | |
977 e.ip = glcf->headers.values->elts; | |
978 e.request = r; | |
979 e.flushed = 1; | |
980 | |
981 le.ip = glcf->headers.lengths->elts; | |
982 | |
983 while (*(uintptr_t *) le.ip) { | |
984 | |
985 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
986 key_len = lcode(&le); | |
987 | |
988 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { | |
989 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
990 } | |
991 le.ip += sizeof(uintptr_t); | |
992 | |
993 if (val_len == 0) { | |
994 e.skip = 1; | |
995 | |
996 while (*(uintptr_t *) e.ip) { | |
997 code = *(ngx_http_script_code_pt *) e.ip; | |
998 code((ngx_http_script_engine_t *) &e); | |
999 } | |
1000 e.ip += sizeof(uintptr_t); | |
1001 | |
1002 e.skip = 0; | |
1003 | |
1004 continue; | |
1005 } | |
1006 | |
1007 *b->last++ = 0; | |
1008 | |
1009 e.pos = key_tmp; | |
1010 | |
1011 code = *(ngx_http_script_code_pt *) e.ip; | |
1012 code((ngx_http_script_engine_t *) &e); | |
1013 | |
1014 b->last = ngx_http_v2_write_name(b->last, key_tmp, key_len, tmp); | |
1015 | |
1016 e.pos = val_tmp; | |
1017 | |
1018 while (*(uintptr_t *) e.ip) { | |
1019 code = *(ngx_http_script_code_pt *) e.ip; | |
1020 code((ngx_http_script_engine_t *) &e); | |
1021 } | |
1022 e.ip += sizeof(uintptr_t); | |
1023 | |
1024 b->last = ngx_http_v2_write_value(b->last, val_tmp, val_len, tmp); | |
1025 | |
1026 #if (NGX_DEBUG) | |
1027 if (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP) { | |
1028 ngx_strlow(key_tmp, key_tmp, key_len); | |
1029 | |
1030 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1031 "grpc header: \"%*s: %*s\"", | |
1032 key_len, key_tmp, val_len, val_tmp); | |
1033 } | |
1034 #endif | |
1035 } | |
1036 | |
1037 if (glcf->upstream.pass_request_headers) { | |
1038 part = &r->headers_in.headers.part; | |
1039 header = part->elts; | |
1040 | |
1041 for (i = 0; /* void */; i++) { | |
1042 | |
1043 if (i >= part->nelts) { | |
1044 if (part->next == NULL) { | |
1045 break; | |
1046 } | |
1047 | |
1048 part = part->next; | |
1049 header = part->elts; | |
1050 i = 0; | |
1051 } | |
1052 | |
1053 if (ngx_hash_find(&glcf->headers.hash, header[i].hash, | |
1054 header[i].lowcase_key, header[i].key.len)) | |
1055 { | |
1056 continue; | |
1057 } | |
1058 | |
1059 *b->last++ = 0; | |
1060 | |
1061 b->last = ngx_http_v2_write_name(b->last, header[i].key.data, | |
1062 header[i].key.len, tmp); | |
1063 | |
1064 b->last = ngx_http_v2_write_value(b->last, header[i].value.data, | |
1065 header[i].value.len, tmp); | |
1066 | |
1067 #if (NGX_DEBUG) | |
1068 if (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP) { | |
1069 ngx_strlow(tmp, header[i].key.data, header[i].key.len); | |
1070 | |
1071 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1072 "grpc header: \"%*s: %V\"", | |
1073 header[i].key.len, tmp, &header[i].value); | |
1074 } | |
1075 #endif | |
1076 } | |
1077 } | |
1078 | |
1079 /* update headers frame length */ | |
1080 | |
1081 len = b->last - headers_frame - sizeof(ngx_http_grpc_frame_t); | |
1082 | |
1083 if (len > NGX_HTTP_V2_DEFAULT_FRAME_SIZE) { | |
1084 len = NGX_HTTP_V2_DEFAULT_FRAME_SIZE; | |
1085 next = 1; | |
1086 | |
1087 } else { | |
1088 next = 0; | |
1089 } | |
1090 | |
1091 f = (ngx_http_grpc_frame_t *) headers_frame; | |
1092 | |
1093 f->length_0 = (u_char) ((len >> 16) & 0xff); | |
1094 f->length_1 = (u_char) ((len >> 8) & 0xff); | |
1095 f->length_2 = (u_char) (len & 0xff); | |
1096 | |
1097 /* create additional continuation frames */ | |
1098 | |
1099 p = headers_frame; | |
1100 | |
1101 while (next) { | |
1102 p += sizeof(ngx_http_grpc_frame_t) + NGX_HTTP_V2_DEFAULT_FRAME_SIZE; | |
1103 len = b->last - p; | |
1104 | |
1105 ngx_memmove(p + sizeof(ngx_http_grpc_frame_t), p, len); | |
1106 b->last += sizeof(ngx_http_grpc_frame_t); | |
1107 | |
1108 if (len > NGX_HTTP_V2_DEFAULT_FRAME_SIZE) { | |
1109 len = NGX_HTTP_V2_DEFAULT_FRAME_SIZE; | |
1110 next = 1; | |
1111 | |
1112 } else { | |
1113 next = 0; | |
1114 } | |
1115 | |
1116 f = (ngx_http_grpc_frame_t *) p; | |
1117 | |
1118 f->length_0 = (u_char) ((len >> 16) & 0xff); | |
1119 f->length_1 = (u_char) ((len >> 8) & 0xff); | |
1120 f->length_2 = (u_char) (len & 0xff); | |
1121 f->type = NGX_HTTP_V2_CONTINUATION_FRAME; | |
1122 f->flags = 0; | |
1123 f->stream_id_0 = 0; | |
1124 f->stream_id_1 = 0; | |
1125 f->stream_id_2 = 0; | |
1126 f->stream_id_3 = 1; | |
1127 } | |
1128 | |
1129 f->flags |= NGX_HTTP_V2_END_HEADERS_FLAG; | |
1130 | |
1131 #if (NGX_DEBUG) | |
1132 if (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP) { | |
1133 u_char buf[512]; | |
1134 size_t n, m; | |
1135 | |
1136 n = ngx_min(b->last - b->pos, 256); | |
1137 m = ngx_hex_dump(buf, b->pos, n) - buf; | |
1138 | |
1139 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1140 "grpc header: %*s%s, len: %uz", | |
1141 m, buf, b->last - b->pos > 256 ? "..." : "", | |
1142 b->last - b->pos); | |
1143 } | |
1144 #endif | |
1145 | |
1146 if (r->request_body_no_buffering) { | |
1147 | |
1148 u->request_bufs = cl; | |
1149 | |
1150 } else { | |
1151 | |
1152 body = u->request_bufs; | |
1153 u->request_bufs = cl; | |
1154 | |
1155 if (body == NULL) { | |
1156 f = (ngx_http_grpc_frame_t *) headers_frame; | |
1157 f->flags |= NGX_HTTP_V2_END_STREAM_FLAG; | |
1158 } | |
1159 | |
1160 while (body) { | |
1161 b = ngx_alloc_buf(r->pool); | |
1162 if (b == NULL) { | |
1163 return NGX_ERROR; | |
1164 } | |
1165 | |
1166 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); | |
1167 | |
1168 cl->next = ngx_alloc_chain_link(r->pool); | |
1169 if (cl->next == NULL) { | |
1170 return NGX_ERROR; | |
1171 } | |
1172 | |
1173 cl = cl->next; | |
1174 cl->buf = b; | |
1175 | |
1176 body = body->next; | |
1177 } | |
1178 | |
1179 b->last_buf = 1; | |
1180 } | |
1181 | |
1182 u->output.output_filter = ngx_http_grpc_body_output_filter; | |
1183 u->output.filter_ctx = r; | |
1184 | |
1185 b->flush = 1; | |
1186 cl->next = NULL; | |
1187 | |
1188 return NGX_OK; | |
1189 } | |
1190 | |
1191 | |
1192 static ngx_int_t | |
1193 ngx_http_grpc_reinit_request(ngx_http_request_t *r) | |
1194 { | |
1195 ngx_http_grpc_ctx_t *ctx; | |
1196 | |
1197 ctx = ngx_http_get_module_ctx(r, ngx_http_grpc_module); | |
1198 | |
1199 if (ctx == NULL) { | |
1200 return NGX_OK; | |
1201 } | |
1202 | |
1203 ctx->state = 0; | |
1204 ctx->header_sent = 0; | |
1205 ctx->output_closed = 0; | |
7350
67c6cb7f477c
gRPC: disabled keepalive when sending control frames was blocked.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7349
diff
changeset
|
1206 ctx->output_blocked = 0; |
7233 | 1207 ctx->parsing_headers = 0; |
1208 ctx->end_stream = 0; | |
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1209 ctx->done = 0; |
7233 | 1210 ctx->status = 0; |
7892
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
1211 ctx->rst = 0; |
7233 | 1212 ctx->connection = NULL; |
1213 | |
1214 return NGX_OK; | |
1215 } | |
1216 | |
1217 | |
1218 static ngx_int_t | |
1219 ngx_http_grpc_body_output_filter(void *data, ngx_chain_t *in) | |
1220 { | |
1221 ngx_http_request_t *r = data; | |
1222 | |
1223 off_t file_pos; | |
1224 u_char *p, *pos, *start; | |
1225 size_t len, limit; | |
1226 ngx_buf_t *b; | |
1227 ngx_int_t rc; | |
1228 ngx_uint_t next, last; | |
1229 ngx_chain_t *cl, *out, **ll; | |
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1230 ngx_http_upstream_t *u; |
7233 | 1231 ngx_http_grpc_ctx_t *ctx; |
1232 ngx_http_grpc_frame_t *f; | |
1233 | |
1234 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1235 "grpc output filter"); | |
1236 | |
1237 ctx = ngx_http_grpc_get_ctx(r); | |
1238 | |
1239 if (ctx == NULL) { | |
1240 return NGX_ERROR; | |
1241 } | |
1242 | |
1243 if (in) { | |
1244 if (ngx_chain_add_copy(r->pool, &ctx->in, in) != NGX_OK) { | |
1245 return NGX_ERROR; | |
1246 } | |
1247 } | |
1248 | |
1249 out = NULL; | |
1250 ll = &out; | |
1251 | |
1252 if (!ctx->header_sent) { | |
1253 /* first buffer contains headers */ | |
1254 | |
1255 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1256 "grpc output header"); | |
1257 | |
1258 ctx->header_sent = 1; | |
1259 | |
1260 if (ctx->id != 1) { | |
1261 /* | |
1262 * keepalive connection: skip connection preface, | |
1263 * update stream identifiers | |
1264 */ | |
1265 | |
1266 b = ctx->in->buf; | |
1267 b->pos += sizeof(ngx_http_grpc_connection_start) - 1; | |
1268 | |
1269 p = b->pos; | |
1270 | |
1271 while (p < b->last) { | |
1272 f = (ngx_http_grpc_frame_t *) p; | |
1273 p += sizeof(ngx_http_grpc_frame_t); | |
1274 | |
1275 f->stream_id_0 = (u_char) ((ctx->id >> 24) & 0xff); | |
1276 f->stream_id_1 = (u_char) ((ctx->id >> 16) & 0xff); | |
1277 f->stream_id_2 = (u_char) ((ctx->id >> 8) & 0xff); | |
1278 f->stream_id_3 = (u_char) (ctx->id & 0xff); | |
1279 | |
1280 p += (f->length_0 << 16) + (f->length_1 << 8) + f->length_2; | |
1281 } | |
1282 } | |
1283 | |
1284 if (ctx->in->buf->last_buf) { | |
1285 ctx->output_closed = 1; | |
1286 } | |
1287 | |
1288 *ll = ctx->in; | |
1289 ll = &ctx->in->next; | |
1290 | |
1291 ctx->in = ctx->in->next; | |
1292 } | |
1293 | |
1294 if (ctx->out) { | |
1295 /* queued control frames */ | |
1296 | |
1297 *ll = ctx->out; | |
1298 | |
1299 for (cl = ctx->out, ll = &cl->next; cl; cl = cl->next) { | |
1300 ll = &cl->next; | |
1301 } | |
1302 | |
1303 ctx->out = NULL; | |
1304 } | |
1305 | |
1306 f = NULL; | |
1307 last = 0; | |
1308 | |
1309 limit = ngx_max(0, ctx->send_window); | |
1310 | |
1311 if (limit > ctx->connection->send_window) { | |
1312 limit = ctx->connection->send_window; | |
1313 } | |
1314 | |
1315 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1316 "grpc output limit: %uz w:%z:%uz", | |
1317 limit, ctx->send_window, ctx->connection->send_window); | |
1318 | |
1319 #if (NGX_SUPPRESS_WARN) | |
1320 file_pos = 0; | |
1321 pos = NULL; | |
1322 cl = NULL; | |
1323 #endif | |
1324 | |
1325 in = ctx->in; | |
1326 | |
1327 while (in && limit > 0) { | |
1328 | |
1329 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, r->connection->log, 0, | |
1330 "grpc output in l:%d f:%d %p, pos %p, size: %z " | |
1331 "file: %O, size: %O", | |
1332 in->buf->last_buf, | |
1333 in->buf->in_file, | |
1334 in->buf->start, in->buf->pos, | |
1335 in->buf->last - in->buf->pos, | |
1336 in->buf->file_pos, | |
1337 in->buf->file_last - in->buf->file_pos); | |
1338 | |
1339 if (ngx_buf_special(in->buf)) { | |
1340 goto next; | |
1341 } | |
1342 | |
1343 if (in->buf->in_file) { | |
1344 file_pos = in->buf->file_pos; | |
1345 | |
1346 } else { | |
1347 pos = in->buf->pos; | |
1348 } | |
1349 | |
1350 next = 0; | |
1351 | |
1352 do { | |
1353 | |
1354 cl = ngx_http_grpc_get_buf(r, ctx); | |
1355 if (cl == NULL) { | |
1356 return NGX_ERROR; | |
1357 } | |
1358 | |
1359 b = cl->buf; | |
1360 | |
1361 f = (ngx_http_grpc_frame_t *) b->last; | |
1362 b->last += sizeof(ngx_http_grpc_frame_t); | |
1363 | |
1364 *ll = cl; | |
1365 ll = &cl->next; | |
1366 | |
1367 cl = ngx_chain_get_free_buf(r->pool, &ctx->free); | |
1368 if (cl == NULL) { | |
1369 return NGX_ERROR; | |
1370 } | |
1371 | |
1372 b = cl->buf; | |
1373 start = b->start; | |
1374 | |
1375 ngx_memcpy(b, in->buf, sizeof(ngx_buf_t)); | |
1376 | |
1377 /* | |
1378 * restore b->start to preserve memory allocated in the buffer, | |
1379 * to reuse it later for headers and control frames | |
1380 */ | |
1381 | |
1382 b->start = start; | |
1383 | |
1384 if (in->buf->in_file) { | |
1385 b->file_pos = file_pos; | |
1386 file_pos += ngx_min(NGX_HTTP_V2_DEFAULT_FRAME_SIZE, limit); | |
1387 | |
1388 if (file_pos >= in->buf->file_last) { | |
1389 file_pos = in->buf->file_last; | |
1390 next = 1; | |
1391 } | |
1392 | |
1393 b->file_last = file_pos; | |
1394 len = (ngx_uint_t) (file_pos - b->file_pos); | |
1395 | |
1396 } else { | |
1397 b->pos = pos; | |
1398 pos += ngx_min(NGX_HTTP_V2_DEFAULT_FRAME_SIZE, limit); | |
1399 | |
1400 if (pos >= in->buf->last) { | |
1401 pos = in->buf->last; | |
1402 next = 1; | |
1403 } | |
1404 | |
1405 b->last = pos; | |
1406 len = (ngx_uint_t) (pos - b->pos); | |
1407 } | |
1408 | |
1409 b->tag = (ngx_buf_tag_t) &ngx_http_grpc_body_output_filter; | |
1410 b->shadow = in->buf; | |
1411 b->last_shadow = next; | |
1412 | |
1413 b->last_buf = 0; | |
1414 b->last_in_chain = 0; | |
1415 | |
1416 *ll = cl; | |
1417 ll = &cl->next; | |
1418 | |
1419 f->length_0 = (u_char) ((len >> 16) & 0xff); | |
1420 f->length_1 = (u_char) ((len >> 8) & 0xff); | |
1421 f->length_2 = (u_char) (len & 0xff); | |
1422 f->type = NGX_HTTP_V2_DATA_FRAME; | |
1423 f->flags = 0; | |
1424 f->stream_id_0 = (u_char) ((ctx->id >> 24) & 0xff); | |
1425 f->stream_id_1 = (u_char) ((ctx->id >> 16) & 0xff); | |
1426 f->stream_id_2 = (u_char) ((ctx->id >> 8) & 0xff); | |
1427 f->stream_id_3 = (u_char) (ctx->id & 0xff); | |
1428 | |
1429 limit -= len; | |
1430 ctx->send_window -= len; | |
1431 ctx->connection->send_window -= len; | |
1432 | |
1433 } while (!next && limit > 0); | |
1434 | |
1435 if (!next) { | |
1436 /* | |
1437 * if the buffer wasn't fully sent due to flow control limits, | |
1438 * preserve position for future use | |
1439 */ | |
1440 | |
1441 if (in->buf->in_file) { | |
1442 in->buf->file_pos = file_pos; | |
1443 | |
1444 } else { | |
1445 in->buf->pos = pos; | |
1446 } | |
1447 | |
1448 break; | |
1449 } | |
1450 | |
1451 next: | |
1452 | |
1453 if (in->buf->last_buf) { | |
1454 last = 1; | |
1455 } | |
1456 | |
1457 in = in->next; | |
1458 } | |
1459 | |
1460 ctx->in = in; | |
1461 | |
1462 if (last) { | |
1463 | |
1464 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1465 "grpc output last"); | |
1466 | |
1467 ctx->output_closed = 1; | |
1468 | |
1469 if (f) { | |
1470 f->flags |= NGX_HTTP_V2_END_STREAM_FLAG; | |
1471 | |
1472 } else { | |
1473 cl = ngx_http_grpc_get_buf(r, ctx); | |
1474 if (cl == NULL) { | |
1475 return NGX_ERROR; | |
1476 } | |
1477 | |
1478 b = cl->buf; | |
1479 | |
1480 f = (ngx_http_grpc_frame_t *) b->last; | |
1481 b->last += sizeof(ngx_http_grpc_frame_t); | |
1482 | |
1483 f->length_0 = 0; | |
1484 f->length_1 = 0; | |
1485 f->length_2 = 0; | |
1486 f->type = NGX_HTTP_V2_DATA_FRAME; | |
1487 f->flags = NGX_HTTP_V2_END_STREAM_FLAG; | |
1488 f->stream_id_0 = (u_char) ((ctx->id >> 24) & 0xff); | |
1489 f->stream_id_1 = (u_char) ((ctx->id >> 16) & 0xff); | |
1490 f->stream_id_2 = (u_char) ((ctx->id >> 8) & 0xff); | |
1491 f->stream_id_3 = (u_char) (ctx->id & 0xff); | |
1492 | |
1493 *ll = cl; | |
1494 ll = &cl->next; | |
1495 } | |
1496 | |
1497 cl->buf->last_buf = 1; | |
1498 } | |
1499 | |
1500 *ll = NULL; | |
1501 | |
1502 #if (NGX_DEBUG) | |
1503 | |
1504 for (cl = out; cl; cl = cl->next) { | |
1505 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, r->connection->log, 0, | |
1506 "grpc output out l:%d f:%d %p, pos %p, size: %z " | |
1507 "file: %O, size: %O", | |
1508 cl->buf->last_buf, | |
1509 cl->buf->in_file, | |
1510 cl->buf->start, cl->buf->pos, | |
1511 cl->buf->last - cl->buf->pos, | |
1512 cl->buf->file_pos, | |
1513 cl->buf->file_last - cl->buf->file_pos); | |
1514 } | |
1515 | |
1516 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1517 "grpc output limit: %uz w:%z:%uz", | |
1518 limit, ctx->send_window, ctx->connection->send_window); | |
1519 | |
1520 #endif | |
1521 | |
1522 rc = ngx_chain_writer(&r->upstream->writer, out); | |
1523 | |
1524 ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &out, | |
1525 (ngx_buf_tag_t) &ngx_http_grpc_body_output_filter); | |
1526 | |
1527 for (cl = ctx->free; cl; cl = cl->next) { | |
1528 | |
1529 /* mark original buffers as sent */ | |
1530 | |
1531 if (cl->buf->shadow) { | |
1532 if (cl->buf->last_shadow) { | |
1533 b = cl->buf->shadow; | |
1534 b->pos = b->last; | |
1535 } | |
1536 | |
1537 cl->buf->shadow = NULL; | |
1538 } | |
1539 } | |
1540 | |
1541 if (rc == NGX_OK && ctx->in) { | |
1542 rc = NGX_AGAIN; | |
1543 } | |
1544 | |
7350
67c6cb7f477c
gRPC: disabled keepalive when sending control frames was blocked.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7349
diff
changeset
|
1545 if (rc == NGX_AGAIN) { |
67c6cb7f477c
gRPC: disabled keepalive when sending control frames was blocked.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7349
diff
changeset
|
1546 ctx->output_blocked = 1; |
67c6cb7f477c
gRPC: disabled keepalive when sending control frames was blocked.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7349
diff
changeset
|
1547 |
67c6cb7f477c
gRPC: disabled keepalive when sending control frames was blocked.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7349
diff
changeset
|
1548 } else { |
67c6cb7f477c
gRPC: disabled keepalive when sending control frames was blocked.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7349
diff
changeset
|
1549 ctx->output_blocked = 0; |
67c6cb7f477c
gRPC: disabled keepalive when sending control frames was blocked.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7349
diff
changeset
|
1550 } |
67c6cb7f477c
gRPC: disabled keepalive when sending control frames was blocked.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7349
diff
changeset
|
1551 |
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1552 if (ctx->done) { |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1553 |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1554 /* |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1555 * We have already got the response and were sending some additional |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1556 * control frames. Even if there is still something unsent, stop |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1557 * here anyway. |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1558 */ |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1559 |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1560 u = r->upstream; |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1561 u->length = 0; |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1562 |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1563 if (ctx->in == NULL |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1564 && ctx->out == NULL |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1565 && ctx->output_closed |
7350
67c6cb7f477c
gRPC: disabled keepalive when sending control frames was blocked.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7349
diff
changeset
|
1566 && !ctx->output_blocked |
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1567 && ctx->state == ngx_http_grpc_st_start) |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1568 { |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1569 u->keepalive = 1; |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1570 } |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1571 |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1572 ngx_post_event(u->peer.connection->read, &ngx_posted_events); |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1573 } |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1574 |
7233 | 1575 return rc; |
1576 } | |
1577 | |
1578 | |
1579 static ngx_int_t | |
1580 ngx_http_grpc_process_header(ngx_http_request_t *r) | |
1581 { | |
1582 ngx_str_t *status_line; | |
1583 ngx_int_t rc, status; | |
1584 ngx_buf_t *b; | |
1585 ngx_table_elt_t *h; | |
1586 ngx_http_upstream_t *u; | |
1587 ngx_http_grpc_ctx_t *ctx; | |
1588 ngx_http_upstream_header_t *hh; | |
1589 ngx_http_upstream_main_conf_t *umcf; | |
1590 | |
1591 u = r->upstream; | |
1592 b = &u->buffer; | |
1593 | |
1594 #if (NGX_DEBUG) | |
1595 if (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP) { | |
1596 u_char buf[512]; | |
1597 size_t n, m; | |
1598 | |
1599 n = ngx_min(b->last - b->pos, 256); | |
1600 m = ngx_hex_dump(buf, b->pos, n) - buf; | |
1601 | |
1602 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1603 "grpc response: %*s%s, len: %uz", | |
1604 m, buf, b->last - b->pos > 256 ? "..." : "", | |
1605 b->last - b->pos); | |
1606 } | |
1607 #endif | |
1608 | |
1609 ctx = ngx_http_grpc_get_ctx(r); | |
1610 | |
1611 if (ctx == NULL) { | |
1612 return NGX_ERROR; | |
1613 } | |
1614 | |
1615 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
1616 | |
1617 for ( ;; ) { | |
1618 | |
1619 if (ctx->state < ngx_http_grpc_st_payload) { | |
1620 | |
1621 rc = ngx_http_grpc_parse_frame(r, ctx, b); | |
1622 | |
1623 if (rc == NGX_AGAIN) { | |
1624 | |
1625 /* | |
1626 * there can be a lot of window update frames, | |
1627 * so we reset buffer if it is empty and we haven't | |
1628 * started parsing headers yet | |
1629 */ | |
1630 | |
1631 if (!ctx->parsing_headers) { | |
1632 b->pos = b->start; | |
1633 b->last = b->pos; | |
1634 } | |
1635 | |
1636 return NGX_AGAIN; | |
1637 } | |
1638 | |
1639 if (rc == NGX_ERROR) { | |
1640 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1641 } | |
1642 | |
1643 /* | |
1644 * RFC 7540 says that implementations MUST discard frames | |
1645 * that have unknown or unsupported types. However, extension | |
1646 * frames that appear in the middle of a header block are | |
1647 * not permitted. Also, for obvious reasons CONTINUATION frames | |
1648 * cannot appear before headers, and DATA frames are not expected | |
1649 * to appear before all headers are parsed. | |
1650 */ | |
1651 | |
1652 if (ctx->type == NGX_HTTP_V2_DATA_FRAME | |
1653 || (ctx->type == NGX_HTTP_V2_CONTINUATION_FRAME | |
1654 && !ctx->parsing_headers) | |
1655 || (ctx->type != NGX_HTTP_V2_CONTINUATION_FRAME | |
1656 && ctx->parsing_headers)) | |
1657 { | |
1658 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1659 "upstream sent unexpected http2 frame: %d", | |
1660 ctx->type); | |
1661 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1662 } | |
1663 | |
1664 if (ctx->stream_id && ctx->stream_id != ctx->id) { | |
1665 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1666 "upstream sent frame for unknown stream %ui", | |
1667 ctx->stream_id); | |
1668 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1669 } | |
1670 } | |
1671 | |
1672 /* frame payload */ | |
1673 | |
1674 if (ctx->type == NGX_HTTP_V2_RST_STREAM_FRAME) { | |
1675 | |
1676 rc = ngx_http_grpc_parse_rst_stream(r, ctx, b); | |
1677 | |
1678 if (rc == NGX_AGAIN) { | |
1679 return NGX_AGAIN; | |
1680 } | |
1681 | |
1682 if (rc == NGX_ERROR) { | |
1683 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1684 } | |
1685 | |
1686 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1687 "upstream rejected request with error %ui", | |
1688 ctx->error); | |
1689 | |
1690 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1691 } | |
1692 | |
1693 if (ctx->type == NGX_HTTP_V2_GOAWAY_FRAME) { | |
1694 | |
1695 rc = ngx_http_grpc_parse_goaway(r, ctx, b); | |
1696 | |
1697 if (rc == NGX_AGAIN) { | |
1698 return NGX_AGAIN; | |
1699 } | |
1700 | |
1701 if (rc == NGX_ERROR) { | |
1702 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1703 } | |
1704 | |
1705 /* | |
1706 * If stream_id is lower than one we use, our | |
1707 * request won't be processed and needs to be retried. | |
1708 * If stream_id is greater or equal to the one we use, | |
1709 * we can continue normally (except we can't use this | |
1710 * connection for additional requests). If there is | |
1711 * a real error, the connection will be closed. | |
1712 */ | |
1713 | |
1714 if (ctx->stream_id < ctx->id) { | |
1715 | |
1716 /* TODO: we can retry non-idempotent requests */ | |
1717 | |
1718 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1719 "upstream sent goaway with error %ui", | |
1720 ctx->error); | |
1721 | |
1722 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1723 } | |
1724 | |
1725 continue; | |
1726 } | |
1727 | |
1728 if (ctx->type == NGX_HTTP_V2_WINDOW_UPDATE_FRAME) { | |
1729 | |
1730 rc = ngx_http_grpc_parse_window_update(r, ctx, b); | |
1731 | |
1732 if (rc == NGX_AGAIN) { | |
1733 return NGX_AGAIN; | |
1734 } | |
1735 | |
1736 if (rc == NGX_ERROR) { | |
1737 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1738 } | |
1739 | |
1740 if (ctx->in) { | |
1741 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
1742 } | |
1743 | |
1744 continue; | |
1745 } | |
1746 | |
1747 if (ctx->type == NGX_HTTP_V2_SETTINGS_FRAME) { | |
1748 | |
1749 rc = ngx_http_grpc_parse_settings(r, ctx, b); | |
1750 | |
1751 if (rc == NGX_AGAIN) { | |
1752 return NGX_AGAIN; | |
1753 } | |
1754 | |
1755 if (rc == NGX_ERROR) { | |
1756 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1757 } | |
1758 | |
1759 if (ctx->in) { | |
1760 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
1761 } | |
1762 | |
1763 continue; | |
1764 } | |
1765 | |
1766 if (ctx->type == NGX_HTTP_V2_PING_FRAME) { | |
1767 | |
1768 rc = ngx_http_grpc_parse_ping(r, ctx, b); | |
1769 | |
1770 if (rc == NGX_AGAIN) { | |
1771 return NGX_AGAIN; | |
1772 } | |
1773 | |
1774 if (rc == NGX_ERROR) { | |
1775 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1776 } | |
1777 | |
1778 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
1779 continue; | |
1780 } | |
1781 | |
1782 if (ctx->type == NGX_HTTP_V2_PUSH_PROMISE_FRAME) { | |
1783 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1784 "upstream sent unexpected push promise frame"); | |
1785 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1786 } | |
1787 | |
1788 if (ctx->type != NGX_HTTP_V2_HEADERS_FRAME | |
1789 && ctx->type != NGX_HTTP_V2_CONTINUATION_FRAME) | |
1790 { | |
1791 /* priority, unknown frames */ | |
1792 | |
1793 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
1794 ctx->rest -= b->last - b->pos; | |
1795 b->pos = b->last; | |
1796 return NGX_AGAIN; | |
1797 } | |
1798 | |
1799 b->pos += ctx->rest; | |
1800 ctx->rest = 0; | |
1801 ctx->state = ngx_http_grpc_st_start; | |
1802 | |
1803 continue; | |
1804 } | |
1805 | |
1806 /* headers */ | |
1807 | |
1808 for ( ;; ) { | |
1809 | |
1810 rc = ngx_http_grpc_parse_header(r, ctx, b); | |
1811 | |
1812 if (rc == NGX_AGAIN) { | |
1813 break; | |
1814 } | |
1815 | |
1816 if (rc == NGX_OK) { | |
1817 | |
1818 /* a header line has been parsed successfully */ | |
1819 | |
1820 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1821 "grpc header: \"%V: %V\"", | |
1822 &ctx->name, &ctx->value); | |
1823 | |
1824 if (ctx->name.len && ctx->name.data[0] == ':') { | |
1825 | |
1826 if (ctx->name.len != sizeof(":status") - 1 | |
1827 || ngx_strncmp(ctx->name.data, ":status", | |
1828 sizeof(":status") - 1) | |
1829 != 0) | |
1830 { | |
1831 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1832 "upstream sent invalid header \"%V: %V\"", | |
1833 &ctx->name, &ctx->value); | |
1834 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1835 } | |
1836 | |
1837 if (ctx->status) { | |
1838 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1839 "upstream sent duplicate :status header"); | |
1840 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1841 } | |
1842 | |
1843 status_line = &ctx->value; | |
1844 | |
1845 if (status_line->len != 3) { | |
1846 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1847 "upstream sent invalid :status \"%V\"", | |
1848 status_line); | |
1849 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1850 } | |
1851 | |
1852 status = ngx_atoi(status_line->data, 3); | |
1853 | |
1854 if (status == NGX_ERROR) { | |
1855 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1856 "upstream sent invalid :status \"%V\"", | |
1857 status_line); | |
1858 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1859 } | |
1860 | |
1861 if (status < NGX_HTTP_OK) { | |
1862 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1863 "upstream sent unexpected :status \"%V\"", | |
1864 status_line); | |
1865 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1866 } | |
1867 | |
1868 u->headers_in.status_n = status; | |
1869 | |
1870 if (u->state && u->state->status == 0) { | |
1871 u->state->status = status; | |
1872 } | |
1873 | |
1874 ctx->status = 1; | |
1875 | |
1876 continue; | |
1877 | |
1878 } else if (!ctx->status) { | |
1879 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1880 "upstream sent no :status header"); | |
1881 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1882 } | |
1883 | |
1884 h = ngx_list_push(&u->headers_in.headers); | |
1885 if (h == NULL) { | |
1886 return NGX_ERROR; | |
1887 } | |
1888 | |
1889 h->key = ctx->name; | |
1890 h->value = ctx->value; | |
1891 h->lowcase_key = h->key.data; | |
1892 h->hash = ngx_hash_key(h->key.data, h->key.len); | |
1893 | |
1894 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, | |
1895 h->lowcase_key, h->key.len); | |
1896 | |
1897 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { | |
1898 return NGX_ERROR; | |
1899 } | |
1900 | |
1901 continue; | |
1902 } | |
1903 | |
1904 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { | |
1905 | |
1906 /* a whole header has been parsed successfully */ | |
1907 | |
1908 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1909 "grpc header done"); | |
1910 | |
7235
c2a0a838c40f
gRPC: special handling of "trailer only" responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7234
diff
changeset
|
1911 if (ctx->end_stream) { |
c2a0a838c40f
gRPC: special handling of "trailer only" responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7234
diff
changeset
|
1912 u->headers_in.content_length_n = 0; |
c2a0a838c40f
gRPC: special handling of "trailer only" responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7234
diff
changeset
|
1913 |
c2a0a838c40f
gRPC: special handling of "trailer only" responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7234
diff
changeset
|
1914 if (ctx->in == NULL |
c2a0a838c40f
gRPC: special handling of "trailer only" responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7234
diff
changeset
|
1915 && ctx->out == NULL |
c2a0a838c40f
gRPC: special handling of "trailer only" responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7234
diff
changeset
|
1916 && ctx->output_closed |
7350
67c6cb7f477c
gRPC: disabled keepalive when sending control frames was blocked.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7349
diff
changeset
|
1917 && !ctx->output_blocked |
7235
c2a0a838c40f
gRPC: special handling of "trailer only" responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7234
diff
changeset
|
1918 && b->last == b->pos) |
c2a0a838c40f
gRPC: special handling of "trailer only" responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7234
diff
changeset
|
1919 { |
c2a0a838c40f
gRPC: special handling of "trailer only" responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7234
diff
changeset
|
1920 u->keepalive = 1; |
c2a0a838c40f
gRPC: special handling of "trailer only" responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7234
diff
changeset
|
1921 } |
7233 | 1922 } |
1923 | |
1924 return NGX_OK; | |
1925 } | |
1926 | |
1927 /* there was error while a header line parsing */ | |
1928 | |
1929 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1930 "upstream sent invalid header"); | |
1931 | |
1932 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
1933 } | |
1934 | |
1935 /* rc == NGX_AGAIN */ | |
1936 | |
1937 if (ctx->rest == 0) { | |
1938 ctx->state = ngx_http_grpc_st_start; | |
1939 continue; | |
1940 } | |
1941 | |
1942 return NGX_AGAIN; | |
1943 } | |
1944 } | |
1945 | |
1946 | |
1947 static ngx_int_t | |
1948 ngx_http_grpc_filter_init(void *data) | |
1949 { | |
1950 ngx_http_grpc_ctx_t *ctx = data; | |
1951 | |
1952 ngx_http_request_t *r; | |
1953 ngx_http_upstream_t *u; | |
1954 | |
1955 r = ctx->request; | |
1956 u = r->upstream; | |
1957 | |
7983
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1958 if (u->headers_in.status_n == NGX_HTTP_NO_CONTENT |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1959 || u->headers_in.status_n == NGX_HTTP_NOT_MODIFIED |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1960 || r->method == NGX_HTTP_HEAD) |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1961 { |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1962 ctx->length = 0; |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1963 |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1964 } else { |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1965 ctx->length = u->headers_in.content_length_n; |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1966 } |
7233 | 1967 |
1968 if (ctx->end_stream) { | |
7983
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1969 |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1970 if (ctx->length > 0) { |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1971 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1972 "upstream prematurely closed stream"); |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1973 return NGX_ERROR; |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1974 } |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1975 |
7233 | 1976 u->length = 0; |
7983
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1977 |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1978 } else { |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
1979 u->length = 1; |
7233 | 1980 } |
1981 | |
1982 return NGX_OK; | |
1983 } | |
1984 | |
1985 | |
1986 static ngx_int_t | |
1987 ngx_http_grpc_filter(void *data, ssize_t bytes) | |
1988 { | |
1989 ngx_http_grpc_ctx_t *ctx = data; | |
1990 | |
1991 ngx_int_t rc; | |
1992 ngx_buf_t *b, *buf; | |
1993 ngx_chain_t *cl, **ll; | |
1994 ngx_table_elt_t *h; | |
1995 ngx_http_request_t *r; | |
1996 ngx_http_upstream_t *u; | |
1997 | |
1998 r = ctx->request; | |
1999 u = r->upstream; | |
2000 b = &u->buffer; | |
2001 | |
2002 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2003 "grpc filter bytes:%z", bytes); | |
2004 | |
2005 b->pos = b->last; | |
2006 b->last += bytes; | |
2007 | |
2008 for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { | |
2009 ll = &cl->next; | |
2010 } | |
2011 | |
2012 for ( ;; ) { | |
2013 | |
2014 if (ctx->state < ngx_http_grpc_st_payload) { | |
2015 | |
2016 rc = ngx_http_grpc_parse_frame(r, ctx, b); | |
2017 | |
2018 if (rc == NGX_AGAIN) { | |
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2019 |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2020 if (ctx->done) { |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2021 |
7983
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
2022 if (ctx->length > 0) { |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
2023 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
2024 "upstream prematurely closed stream"); |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
2025 return NGX_ERROR; |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
2026 } |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
2027 |
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2028 /* |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2029 * We have finished parsing the response and the |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2030 * remaining control frames. If there are unsent |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2031 * control frames, post a write event to send them. |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2032 */ |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2033 |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2034 if (ctx->out) { |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2035 ngx_post_event(u->peer.connection->write, |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2036 &ngx_posted_events); |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2037 return NGX_AGAIN; |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2038 } |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2039 |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2040 u->length = 0; |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2041 |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2042 if (ctx->in == NULL |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2043 && ctx->output_closed |
7350
67c6cb7f477c
gRPC: disabled keepalive when sending control frames was blocked.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7349
diff
changeset
|
2044 && !ctx->output_blocked |
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2045 && ctx->state == ngx_http_grpc_st_start) |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2046 { |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2047 u->keepalive = 1; |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2048 } |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2049 |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2050 break; |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2051 } |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2052 |
7233 | 2053 return NGX_AGAIN; |
2054 } | |
2055 | |
2056 if (rc == NGX_ERROR) { | |
2057 return NGX_ERROR; | |
2058 } | |
2059 | |
2060 if ((ctx->type == NGX_HTTP_V2_CONTINUATION_FRAME | |
2061 && !ctx->parsing_headers) | |
2062 || (ctx->type != NGX_HTTP_V2_CONTINUATION_FRAME | |
2063 && ctx->parsing_headers)) | |
2064 { | |
2065 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2066 "upstream sent unexpected http2 frame: %d", | |
2067 ctx->type); | |
2068 return NGX_ERROR; | |
2069 } | |
2070 | |
2071 if (ctx->type == NGX_HTTP_V2_DATA_FRAME) { | |
2072 | |
2073 if (ctx->stream_id != ctx->id) { | |
2074 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2075 "upstream sent data frame " | |
2076 "for unknown stream %ui", | |
2077 ctx->stream_id); | |
2078 return NGX_ERROR; | |
2079 } | |
2080 | |
7983
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
2081 if (ctx->length != -1) { |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
2082 if ((off_t) ctx->rest > ctx->length) { |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
2083 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
2084 "upstream sent response body larger " |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
2085 "than indicated content length"); |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
2086 return NGX_ERROR; |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
2087 } |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
2088 |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
2089 ctx->length -= ctx->rest; |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
2090 } |
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7893
diff
changeset
|
2091 |
7233 | 2092 if (ctx->rest > ctx->recv_window) { |
2093 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2094 "upstream violated stream flow control, " | |
2095 "received %uz data frame with window %uz", | |
2096 ctx->rest, ctx->recv_window); | |
2097 return NGX_ERROR; | |
2098 } | |
2099 | |
2100 if (ctx->rest > ctx->connection->recv_window) { | |
2101 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2102 "upstream violated connection flow control, " | |
2103 "received %uz data frame with window %uz", | |
2104 ctx->rest, ctx->connection->recv_window); | |
2105 return NGX_ERROR; | |
2106 } | |
2107 | |
2108 ctx->recv_window -= ctx->rest; | |
2109 ctx->connection->recv_window -= ctx->rest; | |
2110 | |
2111 if (ctx->connection->recv_window < NGX_HTTP_V2_MAX_WINDOW / 4 | |
2112 || ctx->recv_window < NGX_HTTP_V2_MAX_WINDOW / 4) | |
2113 { | |
2114 if (ngx_http_grpc_send_window_update(r, ctx) != NGX_OK) { | |
2115 return NGX_ERROR; | |
2116 } | |
2117 | |
2118 ngx_post_event(u->peer.connection->write, | |
2119 &ngx_posted_events); | |
2120 } | |
2121 } | |
2122 | |
2123 if (ctx->stream_id && ctx->stream_id != ctx->id) { | |
2124 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2125 "upstream sent frame for unknown stream %ui", | |
2126 ctx->stream_id); | |
2127 return NGX_ERROR; | |
2128 } | |
2129 | |
7892
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2130 if (ctx->stream_id && ctx->done |
7893
716eddd74bc2
gRPC: WINDOW_UPDATE after END_STREAM handling (ticket #1797).
Ruslan Ermilov <ru@nginx.com>
parents:
7892
diff
changeset
|
2131 && ctx->type != NGX_HTTP_V2_RST_STREAM_FRAME |
716eddd74bc2
gRPC: WINDOW_UPDATE after END_STREAM handling (ticket #1797).
Ruslan Ermilov <ru@nginx.com>
parents:
7892
diff
changeset
|
2132 && ctx->type != NGX_HTTP_V2_WINDOW_UPDATE_FRAME) |
7892
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2133 { |
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2134 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2135 "upstream sent frame for closed stream %ui", |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2136 ctx->stream_id); |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2137 return NGX_ERROR; |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2138 } |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2139 |
7233 | 2140 ctx->padding = 0; |
2141 } | |
2142 | |
2143 if (ctx->state == ngx_http_grpc_st_padding) { | |
2144 | |
2145 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
2146 ctx->rest -= b->last - b->pos; | |
2147 b->pos = b->last; | |
2148 return NGX_AGAIN; | |
2149 } | |
2150 | |
2151 b->pos += ctx->rest; | |
2152 ctx->rest = 0; | |
2153 ctx->state = ngx_http_grpc_st_start; | |
2154 | |
2155 if (ctx->flags & NGX_HTTP_V2_END_STREAM_FLAG) { | |
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2156 ctx->done = 1; |
7233 | 2157 } |
2158 | |
2159 continue; | |
2160 } | |
2161 | |
2162 /* frame payload */ | |
2163 | |
2164 if (ctx->type == NGX_HTTP_V2_RST_STREAM_FRAME) { | |
2165 | |
2166 rc = ngx_http_grpc_parse_rst_stream(r, ctx, b); | |
2167 | |
2168 if (rc == NGX_AGAIN) { | |
2169 return NGX_AGAIN; | |
2170 } | |
2171 | |
2172 if (rc == NGX_ERROR) { | |
2173 return NGX_ERROR; | |
2174 } | |
2175 | |
7892
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2176 if (ctx->error || !ctx->done) { |
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2177 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2178 "upstream rejected request with error %ui", |
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2179 ctx->error); |
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2180 return NGX_ERROR; |
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2181 } |
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2182 |
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2183 if (ctx->rst) { |
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2184 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2185 "upstream sent frame for closed stream %ui", |
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2186 ctx->stream_id); |
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2187 return NGX_ERROR; |
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2188 } |
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2189 |
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2190 ctx->rst = 1; |
7233 | 2191 } |
2192 | |
2193 if (ctx->type == NGX_HTTP_V2_GOAWAY_FRAME) { | |
2194 | |
2195 rc = ngx_http_grpc_parse_goaway(r, ctx, b); | |
2196 | |
2197 if (rc == NGX_AGAIN) { | |
2198 return NGX_AGAIN; | |
2199 } | |
2200 | |
2201 if (rc == NGX_ERROR) { | |
2202 return NGX_ERROR; | |
2203 } | |
2204 | |
2205 /* | |
2206 * If stream_id is lower than one we use, our | |
2207 * request won't be processed and needs to be retried. | |
2208 * If stream_id is greater or equal to the one we use, | |
2209 * we can continue normally (except we can't use this | |
2210 * connection for additional requests). If there is | |
2211 * a real error, the connection will be closed. | |
2212 */ | |
2213 | |
2214 if (ctx->stream_id < ctx->id) { | |
2215 | |
2216 /* TODO: we can retry non-idempotent requests */ | |
2217 | |
2218 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2219 "upstream sent goaway with error %ui", | |
2220 ctx->error); | |
2221 | |
2222 return NGX_ERROR; | |
2223 } | |
2224 | |
2225 continue; | |
2226 } | |
2227 | |
2228 if (ctx->type == NGX_HTTP_V2_WINDOW_UPDATE_FRAME) { | |
2229 | |
2230 rc = ngx_http_grpc_parse_window_update(r, ctx, b); | |
2231 | |
2232 if (rc == NGX_AGAIN) { | |
2233 return NGX_AGAIN; | |
2234 } | |
2235 | |
2236 if (rc == NGX_ERROR) { | |
2237 return NGX_ERROR; | |
2238 } | |
2239 | |
2240 if (ctx->in) { | |
2241 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
2242 } | |
2243 | |
2244 continue; | |
2245 } | |
2246 | |
2247 if (ctx->type == NGX_HTTP_V2_SETTINGS_FRAME) { | |
2248 | |
2249 rc = ngx_http_grpc_parse_settings(r, ctx, b); | |
2250 | |
2251 if (rc == NGX_AGAIN) { | |
2252 return NGX_AGAIN; | |
2253 } | |
2254 | |
2255 if (rc == NGX_ERROR) { | |
2256 return NGX_ERROR; | |
2257 } | |
2258 | |
2259 if (ctx->in) { | |
2260 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
2261 } | |
2262 | |
2263 continue; | |
2264 } | |
2265 | |
2266 if (ctx->type == NGX_HTTP_V2_PING_FRAME) { | |
2267 | |
2268 rc = ngx_http_grpc_parse_ping(r, ctx, b); | |
2269 | |
2270 if (rc == NGX_AGAIN) { | |
2271 return NGX_AGAIN; | |
2272 } | |
2273 | |
2274 if (rc == NGX_ERROR) { | |
2275 return NGX_ERROR; | |
2276 } | |
2277 | |
2278 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
2279 continue; | |
2280 } | |
2281 | |
2282 if (ctx->type == NGX_HTTP_V2_PUSH_PROMISE_FRAME) { | |
2283 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2284 "upstream sent unexpected push promise frame"); | |
2285 return NGX_ERROR; | |
2286 } | |
2287 | |
2288 if (ctx->type == NGX_HTTP_V2_HEADERS_FRAME | |
2289 || ctx->type == NGX_HTTP_V2_CONTINUATION_FRAME) | |
2290 { | |
2291 for ( ;; ) { | |
2292 | |
2293 rc = ngx_http_grpc_parse_header(r, ctx, b); | |
2294 | |
2295 if (rc == NGX_AGAIN) { | |
2296 break; | |
2297 } | |
2298 | |
2299 if (rc == NGX_OK) { | |
2300 | |
2301 /* a header line has been parsed successfully */ | |
2302 | |
2303 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2304 "grpc trailer: \"%V: %V\"", | |
2305 &ctx->name, &ctx->value); | |
2306 | |
2307 if (ctx->name.len && ctx->name.data[0] == ':') { | |
2308 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2309 "upstream sent invalid " | |
2310 "trailer \"%V: %V\"", | |
2311 &ctx->name, &ctx->value); | |
2312 return NGX_ERROR; | |
2313 } | |
2314 | |
2315 h = ngx_list_push(&u->headers_in.trailers); | |
2316 if (h == NULL) { | |
2317 return NGX_ERROR; | |
2318 } | |
2319 | |
2320 h->key = ctx->name; | |
2321 h->value = ctx->value; | |
2322 h->lowcase_key = h->key.data; | |
2323 h->hash = ngx_hash_key(h->key.data, h->key.len); | |
2324 | |
2325 continue; | |
2326 } | |
2327 | |
2328 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { | |
2329 | |
2330 /* a whole header has been parsed successfully */ | |
2331 | |
2332 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2333 "grpc trailer done"); | |
2334 | |
2335 if (ctx->end_stream) { | |
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2336 ctx->done = 1; |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2337 break; |
7233 | 2338 } |
2339 | |
2340 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2341 "upstream sent trailer without " | |
2342 "end stream flag"); | |
2343 return NGX_ERROR; | |
2344 } | |
2345 | |
2346 /* there was error while a header line parsing */ | |
2347 | |
2348 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2349 "upstream sent invalid trailer"); | |
2350 | |
2351 return NGX_ERROR; | |
2352 } | |
2353 | |
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2354 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2355 continue; |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2356 } |
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2357 |
7233 | 2358 /* rc == NGX_AGAIN */ |
2359 | |
2360 if (ctx->rest == 0) { | |
2361 ctx->state = ngx_http_grpc_st_start; | |
2362 continue; | |
2363 } | |
2364 | |
2365 return NGX_AGAIN; | |
2366 } | |
2367 | |
2368 if (ctx->type != NGX_HTTP_V2_DATA_FRAME) { | |
2369 | |
2370 /* priority, unknown frames */ | |
2371 | |
2372 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
2373 ctx->rest -= b->last - b->pos; | |
2374 b->pos = b->last; | |
2375 return NGX_AGAIN; | |
2376 } | |
2377 | |
2378 b->pos += ctx->rest; | |
2379 ctx->rest = 0; | |
2380 ctx->state = ngx_http_grpc_st_start; | |
2381 | |
2382 continue; | |
2383 } | |
2384 | |
2385 /* | |
2386 * data frame: | |
2387 * | |
2388 * +---------------+ | |
2389 * |Pad Length? (8)| | |
2390 * +---------------+-----------------------------------------------+ | |
2391 * | Data (*) ... | |
2392 * +---------------------------------------------------------------+ | |
2393 * | Padding (*) ... | |
2394 * +---------------------------------------------------------------+ | |
2395 */ | |
2396 | |
2397 if (ctx->flags & NGX_HTTP_V2_PADDED_FLAG) { | |
2398 | |
2399 if (ctx->rest == 0) { | |
2400 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2401 "upstream sent too short http2 frame"); | |
2402 return NGX_ERROR; | |
2403 } | |
2404 | |
2405 if (b->pos == b->last) { | |
2406 return NGX_AGAIN; | |
2407 } | |
2408 | |
2409 ctx->flags &= ~NGX_HTTP_V2_PADDED_FLAG; | |
2410 ctx->padding = *b->pos++; | |
2411 ctx->rest -= 1; | |
2412 | |
2413 if (ctx->padding > ctx->rest) { | |
2414 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2415 "upstream sent http2 frame with too long " | |
2416 "padding: %d in frame %uz", | |
2417 ctx->padding, ctx->rest); | |
2418 return NGX_ERROR; | |
2419 } | |
2420 | |
2421 continue; | |
2422 } | |
2423 | |
2424 if (ctx->rest == ctx->padding) { | |
2425 goto done; | |
2426 } | |
2427 | |
2428 if (b->pos == b->last) { | |
2429 return NGX_AGAIN; | |
2430 } | |
2431 | |
2432 cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); | |
2433 if (cl == NULL) { | |
2434 return NGX_ERROR; | |
2435 } | |
2436 | |
2437 *ll = cl; | |
2438 ll = &cl->next; | |
2439 | |
2440 buf = cl->buf; | |
2441 | |
2442 buf->flush = 1; | |
2443 buf->memory = 1; | |
2444 | |
2445 buf->pos = b->pos; | |
2446 buf->tag = u->output.tag; | |
2447 | |
2448 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2449 "grpc output buf %p", buf->pos); | |
2450 | |
2451 if (b->last - b->pos < (ssize_t) ctx->rest - ctx->padding) { | |
2452 | |
2453 ctx->rest -= b->last - b->pos; | |
2454 b->pos = b->last; | |
2455 buf->last = b->pos; | |
2456 | |
2457 return NGX_AGAIN; | |
2458 } | |
2459 | |
2460 b->pos += ctx->rest - ctx->padding; | |
2461 buf->last = b->pos; | |
2462 ctx->rest = ctx->padding; | |
2463 | |
2464 done: | |
2465 | |
2466 if (ctx->padding) { | |
2467 ctx->state = ngx_http_grpc_st_padding; | |
2468 continue; | |
2469 } | |
2470 | |
2471 ctx->state = ngx_http_grpc_st_start; | |
2472 | |
2473 if (ctx->flags & NGX_HTTP_V2_END_STREAM_FLAG) { | |
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2474 ctx->done = 1; |
7233 | 2475 } |
2476 } | |
2477 | |
2478 return NGX_OK; | |
2479 } | |
2480 | |
2481 | |
2482 static ngx_int_t | |
2483 ngx_http_grpc_parse_frame(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
2484 ngx_buf_t *b) | |
2485 { | |
2486 u_char ch, *p; | |
2487 ngx_http_grpc_state_e state; | |
2488 | |
2489 state = ctx->state; | |
2490 | |
2491 for (p = b->pos; p < b->last; p++) { | |
2492 ch = *p; | |
2493 | |
2494 #if 0 | |
2495 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2496 "grpc frame byte: %02Xd, s:%d", ch, state); | |
2497 #endif | |
2498 | |
2499 switch (state) { | |
2500 | |
2501 case ngx_http_grpc_st_start: | |
2502 ctx->rest = ch << 16; | |
2503 state = ngx_http_grpc_st_length_2; | |
2504 break; | |
2505 | |
2506 case ngx_http_grpc_st_length_2: | |
2507 ctx->rest |= ch << 8; | |
2508 state = ngx_http_grpc_st_length_3; | |
2509 break; | |
2510 | |
2511 case ngx_http_grpc_st_length_3: | |
2512 ctx->rest |= ch; | |
2513 | |
2514 if (ctx->rest > NGX_HTTP_V2_DEFAULT_FRAME_SIZE) { | |
2515 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2516 "upstream sent too large http2 frame: %uz", | |
2517 ctx->rest); | |
2518 return NGX_ERROR; | |
2519 } | |
2520 | |
2521 state = ngx_http_grpc_st_type; | |
2522 break; | |
2523 | |
2524 case ngx_http_grpc_st_type: | |
2525 ctx->type = ch; | |
2526 state = ngx_http_grpc_st_flags; | |
2527 break; | |
2528 | |
2529 case ngx_http_grpc_st_flags: | |
2530 ctx->flags = ch; | |
2531 state = ngx_http_grpc_st_stream_id; | |
2532 break; | |
2533 | |
2534 case ngx_http_grpc_st_stream_id: | |
2535 ctx->stream_id = (ch & 0x7f) << 24; | |
2536 state = ngx_http_grpc_st_stream_id_2; | |
2537 break; | |
2538 | |
2539 case ngx_http_grpc_st_stream_id_2: | |
2540 ctx->stream_id |= ch << 16; | |
2541 state = ngx_http_grpc_st_stream_id_3; | |
2542 break; | |
2543 | |
2544 case ngx_http_grpc_st_stream_id_3: | |
2545 ctx->stream_id |= ch << 8; | |
2546 state = ngx_http_grpc_st_stream_id_4; | |
2547 break; | |
2548 | |
2549 case ngx_http_grpc_st_stream_id_4: | |
2550 ctx->stream_id |= ch; | |
2551 | |
2552 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2553 "grpc frame: %d, len: %uz, f:%d, i:%ui", | |
2554 ctx->type, ctx->rest, ctx->flags, ctx->stream_id); | |
2555 | |
2556 b->pos = p + 1; | |
2557 | |
2558 ctx->state = ngx_http_grpc_st_payload; | |
2559 ctx->frame_state = 0; | |
2560 | |
2561 return NGX_OK; | |
2562 | |
2563 /* suppress warning */ | |
2564 case ngx_http_grpc_st_payload: | |
2565 case ngx_http_grpc_st_padding: | |
2566 break; | |
2567 } | |
2568 } | |
2569 | |
2570 b->pos = p; | |
2571 ctx->state = state; | |
2572 | |
2573 return NGX_AGAIN; | |
2574 } | |
2575 | |
2576 | |
2577 static ngx_int_t | |
2578 ngx_http_grpc_parse_header(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
2579 ngx_buf_t *b) | |
2580 { | |
2581 u_char ch, *p, *last; | |
2582 size_t min; | |
2583 ngx_int_t rc; | |
2584 enum { | |
2585 sw_start = 0, | |
2586 sw_padding_length, | |
2587 sw_dependency, | |
2588 sw_dependency_2, | |
2589 sw_dependency_3, | |
2590 sw_dependency_4, | |
2591 sw_weight, | |
2592 sw_fragment, | |
2593 sw_padding | |
2594 } state; | |
2595 | |
2596 state = ctx->frame_state; | |
2597 | |
2598 if (state == sw_start) { | |
2599 | |
2600 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2601 "grpc parse header: start"); | |
2602 | |
2603 if (ctx->type == NGX_HTTP_V2_HEADERS_FRAME) { | |
2604 ctx->parsing_headers = 1; | |
2605 ctx->fragment_state = 0; | |
2606 | |
2607 min = (ctx->flags & NGX_HTTP_V2_PADDED_FLAG ? 1 : 0) | |
2608 + (ctx->flags & NGX_HTTP_V2_PRIORITY_FLAG ? 5 : 0); | |
2609 | |
2610 if (ctx->rest < min) { | |
2611 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2612 "upstream sent headers frame " | |
2613 "with invalid length: %uz", | |
2614 ctx->rest); | |
2615 return NGX_ERROR; | |
2616 } | |
2617 | |
2618 if (ctx->flags & NGX_HTTP_V2_END_STREAM_FLAG) { | |
2619 ctx->end_stream = 1; | |
2620 } | |
2621 | |
2622 if (ctx->flags & NGX_HTTP_V2_PADDED_FLAG) { | |
2623 state = sw_padding_length; | |
2624 | |
2625 } else if (ctx->flags & NGX_HTTP_V2_PRIORITY_FLAG) { | |
2626 state = sw_dependency; | |
2627 | |
2628 } else { | |
2629 state = sw_fragment; | |
2630 } | |
2631 | |
2632 } else if (ctx->type == NGX_HTTP_V2_CONTINUATION_FRAME) { | |
2633 state = sw_fragment; | |
2634 } | |
2635 | |
2636 ctx->padding = 0; | |
7242
25a4353633a0
gRPC: fixed missing state save in frame header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7240
diff
changeset
|
2637 ctx->frame_state = state; |
7233 | 2638 } |
2639 | |
2640 if (state < sw_fragment) { | |
2641 | |
2642 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
2643 last = b->last; | |
2644 | |
2645 } else { | |
2646 last = b->pos + ctx->rest; | |
2647 } | |
2648 | |
2649 for (p = b->pos; p < last; p++) { | |
2650 ch = *p; | |
2651 | |
2652 #if 0 | |
2653 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2654 "grpc header byte: %02Xd s:%d", ch, state); | |
2655 #endif | |
2656 | |
2657 /* | |
2658 * headers frame: | |
2659 * | |
2660 * +---------------+ | |
2661 * |Pad Length? (8)| | |
2662 * +-+-------------+----------------------------------------------+ | |
2663 * |E| Stream Dependency? (31) | | |
2664 * +-+-------------+----------------------------------------------+ | |
2665 * | Weight? (8) | | |
2666 * +-+-------------+----------------------------------------------+ | |
2667 * | Header Block Fragment (*) ... | |
2668 * +--------------------------------------------------------------+ | |
2669 * | Padding (*) ... | |
2670 * +--------------------------------------------------------------+ | |
2671 */ | |
2672 | |
2673 switch (state) { | |
2674 | |
2675 case sw_padding_length: | |
2676 | |
2677 ctx->padding = ch; | |
2678 | |
2679 if (ctx->flags & NGX_HTTP_V2_PRIORITY_FLAG) { | |
2680 state = sw_dependency; | |
2681 break; | |
2682 } | |
2683 | |
2684 goto fragment; | |
2685 | |
2686 case sw_dependency: | |
2687 state = sw_dependency_2; | |
2688 break; | |
2689 | |
2690 case sw_dependency_2: | |
2691 state = sw_dependency_3; | |
2692 break; | |
2693 | |
2694 case sw_dependency_3: | |
2695 state = sw_dependency_4; | |
2696 break; | |
2697 | |
2698 case sw_dependency_4: | |
2699 state = sw_weight; | |
2700 break; | |
2701 | |
2702 case sw_weight: | |
2703 goto fragment; | |
2704 | |
2705 /* suppress warning */ | |
2706 case sw_start: | |
2707 case sw_fragment: | |
2708 case sw_padding: | |
2709 break; | |
2710 } | |
2711 } | |
2712 | |
2713 ctx->rest -= p - b->pos; | |
2714 b->pos = p; | |
2715 | |
2716 ctx->frame_state = state; | |
2717 return NGX_AGAIN; | |
2718 | |
2719 fragment: | |
2720 | |
2721 p++; | |
2722 ctx->rest -= p - b->pos; | |
2723 b->pos = p; | |
2724 | |
2725 if (ctx->padding > ctx->rest) { | |
2726 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2727 "upstream sent http2 frame with too long " | |
2728 "padding: %d in frame %uz", | |
2729 ctx->padding, ctx->rest); | |
2730 return NGX_ERROR; | |
2731 } | |
2732 | |
2733 state = sw_fragment; | |
2734 ctx->frame_state = state; | |
2735 } | |
2736 | |
2737 if (state == sw_fragment) { | |
2738 | |
2739 rc = ngx_http_grpc_parse_fragment(r, ctx, b); | |
2740 | |
2741 if (rc == NGX_AGAIN) { | |
2742 return NGX_AGAIN; | |
2743 } | |
2744 | |
2745 if (rc == NGX_ERROR) { | |
2746 return NGX_ERROR; | |
2747 } | |
2748 | |
2749 if (rc == NGX_OK) { | |
2750 return NGX_OK; | |
2751 } | |
2752 | |
2753 /* rc == NGX_DONE */ | |
2754 | |
2755 state = sw_padding; | |
2756 ctx->frame_state = state; | |
2757 } | |
2758 | |
2759 if (state == sw_padding) { | |
2760 | |
2761 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
2762 | |
2763 ctx->rest -= b->last - b->pos; | |
2764 b->pos = b->last; | |
2765 | |
2766 return NGX_AGAIN; | |
2767 } | |
2768 | |
2769 b->pos += ctx->rest; | |
2770 ctx->rest = 0; | |
2771 | |
2772 ctx->state = ngx_http_grpc_st_start; | |
2773 | |
2774 if (ctx->flags & NGX_HTTP_V2_END_HEADERS_FLAG) { | |
2775 | |
2776 if (ctx->fragment_state) { | |
2777 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2778 "upstream sent truncated http2 header"); | |
2779 return NGX_ERROR; | |
2780 } | |
2781 | |
2782 ctx->parsing_headers = 0; | |
2783 | |
2784 return NGX_HTTP_PARSE_HEADER_DONE; | |
2785 } | |
2786 | |
2787 return NGX_AGAIN; | |
2788 } | |
2789 | |
2790 /* unreachable */ | |
2791 | |
2792 return NGX_ERROR; | |
2793 } | |
2794 | |
2795 | |
2796 static ngx_int_t | |
2797 ngx_http_grpc_parse_fragment(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
2798 ngx_buf_t *b) | |
2799 { | |
2800 u_char ch, *p, *last; | |
2801 size_t size; | |
2802 ngx_uint_t index, size_update; | |
2803 enum { | |
2804 sw_start = 0, | |
2805 sw_index, | |
2806 sw_name_length, | |
2807 sw_name_length_2, | |
2808 sw_name_length_3, | |
2809 sw_name_length_4, | |
2810 sw_name, | |
2811 sw_name_bytes, | |
2812 sw_value_length, | |
2813 sw_value_length_2, | |
2814 sw_value_length_3, | |
2815 sw_value_length_4, | |
2816 sw_value, | |
2817 sw_value_bytes | |
2818 } state; | |
2819 | |
2820 /* header block fragment */ | |
2821 | |
2822 #if 0 | |
2823 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2824 "grpc header fragment %p:%p rest:%uz", | |
2825 b->pos, b->last, ctx->rest); | |
2826 #endif | |
2827 | |
2828 if (b->last - b->pos < (ssize_t) ctx->rest - ctx->padding) { | |
2829 last = b->last; | |
2830 | |
2831 } else { | |
2832 last = b->pos + ctx->rest - ctx->padding; | |
2833 } | |
2834 | |
2835 state = ctx->fragment_state; | |
2836 | |
2837 for (p = b->pos; p < last; p++) { | |
2838 ch = *p; | |
2839 | |
2840 #if 0 | |
2841 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2842 "grpc header byte: %02Xd s:%d", ch, state); | |
2843 #endif | |
2844 | |
2845 switch (state) { | |
2846 | |
2847 case sw_start: | |
2848 ctx->index = 0; | |
2849 | |
2850 if ((ch & 0x80) == 0x80) { | |
2851 /* | |
2852 * indexed header: | |
2853 * | |
2854 * 0 1 2 3 4 5 6 7 | |
2855 * +---+---+---+---+---+---+---+---+ | |
2856 * | 1 | Index (7+) | | |
2857 * +---+---------------------------+ | |
2858 */ | |
2859 | |
2860 index = ch & ~0x80; | |
2861 | |
2862 if (index == 0 || index > 61) { | |
2863 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2864 "upstream sent invalid http2 " | |
2865 "table index: %ui", index); | |
2866 return NGX_ERROR; | |
2867 } | |
2868 | |
2869 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2870 "grpc indexed header: %ui", index); | |
2871 | |
2872 ctx->index = index; | |
2873 ctx->literal = 0; | |
2874 | |
2875 goto done; | |
2876 | |
2877 } else if ((ch & 0xc0) == 0x40) { | |
2878 /* | |
2879 * literal header with incremental indexing: | |
2880 * | |
2881 * 0 1 2 3 4 5 6 7 | |
2882 * +---+---+---+---+---+---+---+---+ | |
2883 * | 0 | 1 | Index (6+) | | |
2884 * +---+---+-----------------------+ | |
2885 * | H | Value Length (7+) | | |
2886 * +---+---------------------------+ | |
2887 * | Value String (Length octets) | | |
2888 * +-------------------------------+ | |
2889 * | |
2890 * 0 1 2 3 4 5 6 7 | |
2891 * +---+---+---+---+---+---+---+---+ | |
2892 * | 0 | 1 | 0 | | |
2893 * +---+---+-----------------------+ | |
2894 * | H | Name Length (7+) | | |
2895 * +---+---------------------------+ | |
2896 * | Name String (Length octets) | | |
2897 * +---+---------------------------+ | |
2898 * | H | Value Length (7+) | | |
2899 * +---+---------------------------+ | |
2900 * | Value String (Length octets) | | |
2901 * +-------------------------------+ | |
2902 */ | |
2903 | |
2904 index = ch & ~0xc0; | |
2905 | |
2906 if (index > 61) { | |
2907 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2908 "upstream sent invalid http2 " | |
2909 "table index: %ui", index); | |
2910 return NGX_ERROR; | |
2911 } | |
2912 | |
2913 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2914 "grpc literal header: %ui", index); | |
2915 | |
2916 if (index == 0) { | |
2917 state = sw_name_length; | |
2918 break; | |
2919 } | |
2920 | |
2921 ctx->index = index; | |
2922 ctx->literal = 1; | |
2923 | |
2924 state = sw_value_length; | |
2925 break; | |
2926 | |
2927 } else if ((ch & 0xe0) == 0x20) { | |
2928 /* | |
2929 * dynamic table size update: | |
2930 * | |
2931 * 0 1 2 3 4 5 6 7 | |
2932 * +---+---+---+---+---+---+---+---+ | |
2933 * | 0 | 0 | 1 | Max size (5+) | | |
2934 * +---+---------------------------+ | |
2935 */ | |
2936 | |
2937 size_update = ch & ~0xe0; | |
2938 | |
2939 if (size_update > 0) { | |
2940 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
2941 "upstream sent invalid http2 " | |
2942 "dynamic table size update: %ui", | |
2943 size_update); | |
2944 return NGX_ERROR; | |
2945 } | |
2946 | |
2947 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2948 "grpc table size update: %ui", size_update); | |
2949 | |
2950 break; | |
2951 | |
2952 } else if ((ch & 0xf0) == 0x10) { | |
2953 /* | |
2954 * literal header field never indexed: | |
2955 * | |
2956 * 0 1 2 3 4 5 6 7 | |
2957 * +---+---+---+---+---+---+---+---+ | |
2958 * | 0 | 0 | 0 | 1 | Index (4+) | | |
2959 * +---+---+-----------------------+ | |
2960 * | H | Value Length (7+) | | |
2961 * +---+---------------------------+ | |
2962 * | Value String (Length octets) | | |
2963 * +-------------------------------+ | |
2964 * | |
2965 * 0 1 2 3 4 5 6 7 | |
2966 * +---+---+---+---+---+---+---+---+ | |
2967 * | 0 | 0 | 0 | 1 | 0 | | |
2968 * +---+---+-----------------------+ | |
2969 * | H | Name Length (7+) | | |
2970 * +---+---------------------------+ | |
2971 * | Name String (Length octets) | | |
2972 * +---+---------------------------+ | |
2973 * | H | Value Length (7+) | | |
2974 * +---+---------------------------+ | |
2975 * | Value String (Length octets) | | |
2976 * +-------------------------------+ | |
2977 */ | |
2978 | |
2979 index = ch & ~0xf0; | |
2980 | |
2981 if (index == 0x0f) { | |
2982 ctx->index = index; | |
2983 ctx->literal = 1; | |
2984 state = sw_index; | |
2985 break; | |
2986 } | |
2987 | |
2988 if (index == 0) { | |
2989 state = sw_name_length; | |
2990 break; | |
2991 } | |
2992 | |
2993 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2994 "grpc literal header never indexed: %ui", | |
2995 index); | |
2996 | |
2997 ctx->index = index; | |
2998 ctx->literal = 1; | |
2999 | |
3000 state = sw_value_length; | |
3001 break; | |
3002 | |
3003 } else if ((ch & 0xf0) == 0x00) { | |
3004 /* | |
3005 * literal header field without indexing: | |
3006 * | |
3007 * 0 1 2 3 4 5 6 7 | |
3008 * +---+---+---+---+---+---+---+---+ | |
3009 * | 0 | 0 | 0 | 0 | Index (4+) | | |
3010 * +---+---+-----------------------+ | |
3011 * | H | Value Length (7+) | | |
3012 * +---+---------------------------+ | |
3013 * | Value String (Length octets) | | |
3014 * +-------------------------------+ | |
3015 * | |
3016 * 0 1 2 3 4 5 6 7 | |
3017 * +---+---+---+---+---+---+---+---+ | |
3018 * | 0 | 0 | 0 | 0 | 0 | | |
3019 * +---+---+-----------------------+ | |
3020 * | H | Name Length (7+) | | |
3021 * +---+---------------------------+ | |
3022 * | Name String (Length octets) | | |
3023 * +---+---------------------------+ | |
3024 * | H | Value Length (7+) | | |
3025 * +---+---------------------------+ | |
3026 * | Value String (Length octets) | | |
3027 * +-------------------------------+ | |
3028 */ | |
3029 | |
3030 index = ch & ~0xf0; | |
3031 | |
3032 if (index == 0x0f) { | |
3033 ctx->index = index; | |
3034 ctx->literal = 1; | |
3035 state = sw_index; | |
3036 break; | |
3037 } | |
3038 | |
3039 if (index == 0) { | |
3040 state = sw_name_length; | |
3041 break; | |
3042 } | |
3043 | |
3044 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3045 "grpc literal header without indexing: %ui", | |
3046 index); | |
3047 | |
3048 ctx->index = index; | |
3049 ctx->literal = 1; | |
3050 | |
3051 state = sw_value_length; | |
3052 break; | |
3053 } | |
3054 | |
3055 /* not reached */ | |
3056 | |
3057 return NGX_ERROR; | |
3058 | |
3059 case sw_index: | |
3060 ctx->index = ctx->index + (ch & ~0x80); | |
3061 | |
3062 if (ch & 0x80) { | |
3063 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3064 "upstream sent http2 table index " | |
3065 "with continuation flag"); | |
3066 return NGX_ERROR; | |
3067 } | |
3068 | |
3069 if (ctx->index > 61) { | |
3070 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3071 "upstream sent invalid http2 " | |
3072 "table index: %ui", ctx->index); | |
3073 return NGX_ERROR; | |
3074 } | |
3075 | |
3076 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3077 "grpc header index: %ui", ctx->index); | |
3078 | |
3079 state = sw_value_length; | |
3080 break; | |
3081 | |
3082 case sw_name_length: | |
3083 ctx->field_huffman = ch & 0x80 ? 1 : 0; | |
3084 ctx->field_length = ch & ~0x80; | |
3085 | |
3086 if (ctx->field_length == 0x7f) { | |
3087 state = sw_name_length_2; | |
3088 break; | |
3089 } | |
3090 | |
3091 if (ctx->field_length == 0) { | |
3092 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3093 "upstream sent zero http2 " | |
3094 "header name length"); | |
3095 return NGX_ERROR; | |
3096 } | |
3097 | |
3098 state = sw_name; | |
3099 break; | |
3100 | |
3101 case sw_name_length_2: | |
3102 ctx->field_length += ch & ~0x80; | |
3103 | |
3104 if (ch & 0x80) { | |
3105 state = sw_name_length_3; | |
3106 break; | |
3107 } | |
3108 | |
3109 state = sw_name; | |
3110 break; | |
3111 | |
3112 case sw_name_length_3: | |
3113 ctx->field_length += (ch & ~0x80) << 7; | |
3114 | |
3115 if (ch & 0x80) { | |
3116 state = sw_name_length_4; | |
3117 break; | |
3118 } | |
3119 | |
3120 state = sw_name; | |
3121 break; | |
3122 | |
3123 case sw_name_length_4: | |
3124 ctx->field_length += (ch & ~0x80) << 14; | |
3125 | |
3126 if (ch & 0x80) { | |
3127 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3128 "upstream sent too large http2 " | |
3129 "header name length"); | |
3130 return NGX_ERROR; | |
3131 } | |
3132 | |
3133 state = sw_name; | |
3134 break; | |
3135 | |
3136 case sw_name: | |
3137 ctx->name.len = ctx->field_huffman ? | |
3138 ctx->field_length * 8 / 5 : ctx->field_length; | |
3139 | |
3140 ctx->name.data = ngx_pnalloc(r->pool, ctx->name.len + 1); | |
3141 if (ctx->name.data == NULL) { | |
3142 return NGX_ERROR; | |
3143 } | |
3144 | |
3145 ctx->field_end = ctx->name.data; | |
3146 ctx->field_rest = ctx->field_length; | |
3147 ctx->field_state = 0; | |
3148 | |
3149 state = sw_name_bytes; | |
3150 | |
3151 /* fall through */ | |
3152 | |
3153 case sw_name_bytes: | |
3154 | |
3155 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3156 "grpc name: len:%uz h:%d last:%uz, rest:%uz", | |
3157 ctx->field_length, | |
3158 ctx->field_huffman, | |
3159 last - p, | |
3160 ctx->rest - (p - b->pos)); | |
3161 | |
3162 size = ngx_min(last - p, (ssize_t) ctx->field_rest); | |
3163 ctx->field_rest -= size; | |
3164 | |
3165 if (ctx->field_huffman) { | |
3166 if (ngx_http_v2_huff_decode(&ctx->field_state, p, size, | |
3167 &ctx->field_end, | |
3168 ctx->field_rest == 0, | |
3169 r->connection->log) | |
3170 != NGX_OK) | |
3171 { | |
3172 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3173 "upstream sent invalid encoded header"); | |
3174 return NGX_ERROR; | |
3175 } | |
3176 | |
3177 ctx->name.len = ctx->field_end - ctx->name.data; | |
3178 ctx->name.data[ctx->name.len] = '\0'; | |
3179 | |
3180 } else { | |
7240
413189f03c8d
gRPC: fixed parsing response headers split on CONTINUATION frames.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7235
diff
changeset
|
3181 ctx->field_end = ngx_cpymem(ctx->field_end, p, size); |
7233 | 3182 ctx->name.data[ctx->name.len] = '\0'; |
3183 } | |
3184 | |
3185 p += size - 1; | |
3186 | |
3187 if (ctx->field_rest == 0) { | |
3188 state = sw_value_length; | |
3189 } | |
3190 | |
3191 break; | |
3192 | |
3193 case sw_value_length: | |
3194 ctx->field_huffman = ch & 0x80 ? 1 : 0; | |
3195 ctx->field_length = ch & ~0x80; | |
3196 | |
3197 if (ctx->field_length == 0x7f) { | |
3198 state = sw_value_length_2; | |
3199 break; | |
3200 } | |
3201 | |
3202 if (ctx->field_length == 0) { | |
3203 ngx_str_set(&ctx->value, ""); | |
3204 goto done; | |
3205 } | |
3206 | |
3207 state = sw_value; | |
3208 break; | |
3209 | |
3210 case sw_value_length_2: | |
3211 ctx->field_length += ch & ~0x80; | |
3212 | |
3213 if (ch & 0x80) { | |
3214 state = sw_value_length_3; | |
3215 break; | |
3216 } | |
3217 | |
3218 state = sw_value; | |
3219 break; | |
3220 | |
3221 case sw_value_length_3: | |
3222 ctx->field_length += (ch & ~0x80) << 7; | |
3223 | |
3224 if (ch & 0x80) { | |
3225 state = sw_value_length_4; | |
3226 break; | |
3227 } | |
3228 | |
3229 state = sw_value; | |
3230 break; | |
3231 | |
3232 case sw_value_length_4: | |
3233 ctx->field_length += (ch & ~0x80) << 14; | |
3234 | |
3235 if (ch & 0x80) { | |
3236 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3237 "upstream sent too large http2 " | |
3238 "header value length"); | |
3239 return NGX_ERROR; | |
3240 } | |
3241 | |
3242 state = sw_value; | |
3243 break; | |
3244 | |
3245 case sw_value: | |
3246 ctx->value.len = ctx->field_huffman ? | |
3247 ctx->field_length * 8 / 5 : ctx->field_length; | |
3248 | |
3249 ctx->value.data = ngx_pnalloc(r->pool, ctx->value.len + 1); | |
3250 if (ctx->value.data == NULL) { | |
3251 return NGX_ERROR; | |
3252 } | |
3253 | |
3254 ctx->field_end = ctx->value.data; | |
3255 ctx->field_rest = ctx->field_length; | |
3256 ctx->field_state = 0; | |
3257 | |
3258 state = sw_value_bytes; | |
3259 | |
3260 /* fall through */ | |
3261 | |
3262 case sw_value_bytes: | |
3263 | |
3264 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3265 "grpc value: len:%uz h:%d last:%uz, rest:%uz", | |
3266 ctx->field_length, | |
3267 ctx->field_huffman, | |
3268 last - p, | |
3269 ctx->rest - (p - b->pos)); | |
3270 | |
3271 size = ngx_min(last - p, (ssize_t) ctx->field_rest); | |
3272 ctx->field_rest -= size; | |
3273 | |
3274 if (ctx->field_huffman) { | |
3275 if (ngx_http_v2_huff_decode(&ctx->field_state, p, size, | |
3276 &ctx->field_end, | |
3277 ctx->field_rest == 0, | |
3278 r->connection->log) | |
3279 != NGX_OK) | |
3280 { | |
3281 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3282 "upstream sent invalid encoded header"); | |
3283 return NGX_ERROR; | |
3284 } | |
3285 | |
3286 ctx->value.len = ctx->field_end - ctx->value.data; | |
3287 ctx->value.data[ctx->value.len] = '\0'; | |
3288 | |
3289 } else { | |
7240
413189f03c8d
gRPC: fixed parsing response headers split on CONTINUATION frames.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7235
diff
changeset
|
3290 ctx->field_end = ngx_cpymem(ctx->field_end, p, size); |
7233 | 3291 ctx->value.data[ctx->value.len] = '\0'; |
3292 } | |
3293 | |
3294 p += size - 1; | |
3295 | |
3296 if (ctx->field_rest == 0) { | |
3297 goto done; | |
3298 } | |
3299 | |
3300 break; | |
3301 } | |
3302 | |
3303 continue; | |
3304 | |
3305 done: | |
3306 | |
3307 p++; | |
3308 ctx->rest -= p - b->pos; | |
3309 ctx->fragment_state = sw_start; | |
3310 b->pos = p; | |
3311 | |
3312 if (ctx->index) { | |
3313 ctx->name = *ngx_http_v2_get_static_name(ctx->index); | |
3314 } | |
3315 | |
3316 if (ctx->index && !ctx->literal) { | |
3317 ctx->value = *ngx_http_v2_get_static_value(ctx->index); | |
3318 } | |
3319 | |
3320 if (!ctx->index) { | |
3321 if (ngx_http_grpc_validate_header_name(r, &ctx->name) != NGX_OK) { | |
3322 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3323 "upstream sent invalid header: \"%V: %V\"", | |
3324 &ctx->name, &ctx->value); | |
3325 return NGX_ERROR; | |
3326 } | |
3327 } | |
3328 | |
3329 if (!ctx->index || ctx->literal) { | |
3330 if (ngx_http_grpc_validate_header_value(r, &ctx->value) != NGX_OK) { | |
3331 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3332 "upstream sent invalid header: \"%V: %V\"", | |
3333 &ctx->name, &ctx->value); | |
3334 return NGX_ERROR; | |
3335 } | |
3336 } | |
3337 | |
3338 return NGX_OK; | |
3339 } | |
3340 | |
3341 ctx->rest -= p - b->pos; | |
3342 ctx->fragment_state = state; | |
3343 b->pos = p; | |
3344 | |
3345 if (ctx->rest > ctx->padding) { | |
3346 return NGX_AGAIN; | |
3347 } | |
3348 | |
3349 return NGX_DONE; | |
3350 } | |
3351 | |
3352 | |
3353 static ngx_int_t | |
3354 ngx_http_grpc_validate_header_name(ngx_http_request_t *r, ngx_str_t *s) | |
3355 { | |
3356 u_char ch; | |
3357 ngx_uint_t i; | |
3358 | |
3359 for (i = 0; i < s->len; i++) { | |
3360 ch = s->data[i]; | |
3361 | |
3362 if (ch == ':' && i > 0) { | |
3363 return NGX_ERROR; | |
3364 } | |
3365 | |
3366 if (ch >= 'A' && ch <= 'Z') { | |
3367 return NGX_ERROR; | |
3368 } | |
3369 | |
3370 if (ch == '\0' || ch == CR || ch == LF) { | |
3371 return NGX_ERROR; | |
3372 } | |
3373 } | |
3374 | |
3375 return NGX_OK; | |
3376 } | |
3377 | |
3378 | |
3379 static ngx_int_t | |
3380 ngx_http_grpc_validate_header_value(ngx_http_request_t *r, ngx_str_t *s) | |
3381 { | |
3382 u_char ch; | |
3383 ngx_uint_t i; | |
3384 | |
3385 for (i = 0; i < s->len; i++) { | |
3386 ch = s->data[i]; | |
3387 | |
3388 if (ch == '\0' || ch == CR || ch == LF) { | |
3389 return NGX_ERROR; | |
3390 } | |
3391 } | |
3392 | |
3393 return NGX_OK; | |
3394 } | |
3395 | |
3396 | |
3397 static ngx_int_t | |
3398 ngx_http_grpc_parse_rst_stream(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
3399 ngx_buf_t *b) | |
3400 { | |
3401 u_char ch, *p, *last; | |
3402 enum { | |
3403 sw_start = 0, | |
3404 sw_error_2, | |
3405 sw_error_3, | |
3406 sw_error_4 | |
3407 } state; | |
3408 | |
3409 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
3410 last = b->last; | |
3411 | |
3412 } else { | |
3413 last = b->pos + ctx->rest; | |
3414 } | |
3415 | |
3416 state = ctx->frame_state; | |
3417 | |
3418 if (state == sw_start) { | |
3419 if (ctx->rest != 4) { | |
3420 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3421 "upstream sent rst stream frame " | |
3422 "with invalid length: %uz", | |
3423 ctx->rest); | |
3424 return NGX_ERROR; | |
3425 } | |
3426 } | |
3427 | |
3428 for (p = b->pos; p < last; p++) { | |
3429 ch = *p; | |
3430 | |
3431 #if 0 | |
3432 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3433 "grpc rst byte: %02Xd s:%d", ch, state); | |
3434 #endif | |
3435 | |
3436 switch (state) { | |
3437 | |
3438 case sw_start: | |
7249
070c972336c4
gRPC: fixed possible sign extension of error and setting_value.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7242
diff
changeset
|
3439 ctx->error = (ngx_uint_t) ch << 24; |
7233 | 3440 state = sw_error_2; |
3441 break; | |
3442 | |
3443 case sw_error_2: | |
3444 ctx->error |= ch << 16; | |
3445 state = sw_error_3; | |
3446 break; | |
3447 | |
3448 case sw_error_3: | |
3449 ctx->error |= ch << 8; | |
3450 state = sw_error_4; | |
3451 break; | |
3452 | |
3453 case sw_error_4: | |
3454 ctx->error |= ch; | |
3455 state = sw_start; | |
3456 | |
3457 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3458 "grpc error: %ui", ctx->error); | |
3459 | |
3460 break; | |
3461 } | |
3462 } | |
3463 | |
3464 ctx->rest -= p - b->pos; | |
3465 ctx->frame_state = state; | |
3466 b->pos = p; | |
3467 | |
3468 if (ctx->rest > 0) { | |
3469 return NGX_AGAIN; | |
3470 } | |
3471 | |
3472 return NGX_OK; | |
3473 } | |
3474 | |
3475 | |
3476 static ngx_int_t | |
3477 ngx_http_grpc_parse_goaway(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
3478 ngx_buf_t *b) | |
3479 { | |
3480 u_char ch, *p, *last; | |
3481 enum { | |
3482 sw_start = 0, | |
3483 sw_last_stream_id_2, | |
3484 sw_last_stream_id_3, | |
3485 sw_last_stream_id_4, | |
3486 sw_error, | |
3487 sw_error_2, | |
3488 sw_error_3, | |
3489 sw_error_4, | |
3490 sw_debug | |
3491 } state; | |
3492 | |
3493 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
3494 last = b->last; | |
3495 | |
3496 } else { | |
3497 last = b->pos + ctx->rest; | |
3498 } | |
3499 | |
3500 state = ctx->frame_state; | |
3501 | |
3502 if (state == sw_start) { | |
3503 | |
3504 if (ctx->stream_id) { | |
3505 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3506 "upstream sent goaway frame " | |
3507 "with non-zero stream id: %ui", | |
3508 ctx->stream_id); | |
3509 return NGX_ERROR; | |
3510 } | |
3511 | |
3512 if (ctx->rest < 8) { | |
3513 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3514 "upstream sent goaway frame " | |
3515 "with invalid length: %uz", | |
3516 ctx->rest); | |
3517 return NGX_ERROR; | |
3518 } | |
3519 } | |
3520 | |
3521 for (p = b->pos; p < last; p++) { | |
3522 ch = *p; | |
3523 | |
3524 #if 0 | |
3525 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3526 "grpc goaway byte: %02Xd s:%d", ch, state); | |
3527 #endif | |
3528 | |
3529 switch (state) { | |
3530 | |
3531 case sw_start: | |
3532 ctx->stream_id = (ch & 0x7f) << 24; | |
3533 state = sw_last_stream_id_2; | |
3534 break; | |
3535 | |
3536 case sw_last_stream_id_2: | |
3537 ctx->stream_id |= ch << 16; | |
3538 state = sw_last_stream_id_3; | |
3539 break; | |
3540 | |
3541 case sw_last_stream_id_3: | |
3542 ctx->stream_id |= ch << 8; | |
3543 state = sw_last_stream_id_4; | |
3544 break; | |
3545 | |
3546 case sw_last_stream_id_4: | |
3547 ctx->stream_id |= ch; | |
3548 state = sw_error; | |
3549 break; | |
3550 | |
3551 case sw_error: | |
7249
070c972336c4
gRPC: fixed possible sign extension of error and setting_value.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7242
diff
changeset
|
3552 ctx->error = (ngx_uint_t) ch << 24; |
7233 | 3553 state = sw_error_2; |
3554 break; | |
3555 | |
3556 case sw_error_2: | |
3557 ctx->error |= ch << 16; | |
3558 state = sw_error_3; | |
3559 break; | |
3560 | |
3561 case sw_error_3: | |
3562 ctx->error |= ch << 8; | |
3563 state = sw_error_4; | |
3564 break; | |
3565 | |
3566 case sw_error_4: | |
3567 ctx->error |= ch; | |
3568 state = sw_debug; | |
3569 break; | |
3570 | |
3571 case sw_debug: | |
3572 break; | |
3573 } | |
3574 } | |
3575 | |
3576 ctx->rest -= p - b->pos; | |
3577 ctx->frame_state = state; | |
3578 b->pos = p; | |
3579 | |
3580 if (ctx->rest > 0) { | |
3581 return NGX_AGAIN; | |
3582 } | |
3583 | |
3584 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3585 "grpc goaway: %ui, stream %ui", | |
3586 ctx->error, ctx->stream_id); | |
3587 | |
3588 ctx->state = ngx_http_grpc_st_start; | |
3589 | |
3590 return NGX_OK; | |
3591 } | |
3592 | |
3593 | |
3594 static ngx_int_t | |
3595 ngx_http_grpc_parse_window_update(ngx_http_request_t *r, | |
3596 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b) | |
3597 { | |
3598 u_char ch, *p, *last; | |
3599 enum { | |
3600 sw_start = 0, | |
3601 sw_size_2, | |
3602 sw_size_3, | |
3603 sw_size_4 | |
3604 } state; | |
3605 | |
3606 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
3607 last = b->last; | |
3608 | |
3609 } else { | |
3610 last = b->pos + ctx->rest; | |
3611 } | |
3612 | |
3613 state = ctx->frame_state; | |
3614 | |
3615 if (state == sw_start) { | |
3616 if (ctx->rest != 4) { | |
3617 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3618 "upstream sent window update frame " | |
3619 "with invalid length: %uz", | |
3620 ctx->rest); | |
3621 return NGX_ERROR; | |
3622 } | |
3623 } | |
3624 | |
3625 for (p = b->pos; p < last; p++) { | |
3626 ch = *p; | |
3627 | |
3628 #if 0 | |
3629 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3630 "grpc window update byte: %02Xd s:%d", ch, state); | |
3631 #endif | |
3632 | |
3633 switch (state) { | |
3634 | |
3635 case sw_start: | |
3636 ctx->window_update = (ch & 0x7f) << 24; | |
3637 state = sw_size_2; | |
3638 break; | |
3639 | |
3640 case sw_size_2: | |
3641 ctx->window_update |= ch << 16; | |
3642 state = sw_size_3; | |
3643 break; | |
3644 | |
3645 case sw_size_3: | |
3646 ctx->window_update |= ch << 8; | |
3647 state = sw_size_4; | |
3648 break; | |
3649 | |
3650 case sw_size_4: | |
3651 ctx->window_update |= ch; | |
3652 state = sw_start; | |
3653 break; | |
3654 } | |
3655 } | |
3656 | |
3657 ctx->rest -= p - b->pos; | |
3658 ctx->frame_state = state; | |
3659 b->pos = p; | |
3660 | |
3661 if (ctx->rest > 0) { | |
3662 return NGX_AGAIN; | |
3663 } | |
3664 | |
3665 ctx->state = ngx_http_grpc_st_start; | |
3666 | |
3667 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3668 "grpc window update: %ui", ctx->window_update); | |
3669 | |
3670 if (ctx->stream_id) { | |
3671 | |
3672 if (ctx->window_update > (size_t) NGX_HTTP_V2_MAX_WINDOW | |
3673 - ctx->send_window) | |
3674 { | |
3675 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3676 "upstream sent too large window update"); | |
3677 return NGX_ERROR; | |
3678 } | |
3679 | |
3680 ctx->send_window += ctx->window_update; | |
3681 | |
3682 } else { | |
3683 | |
3684 if (ctx->window_update > NGX_HTTP_V2_MAX_WINDOW | |
3685 - ctx->connection->send_window) | |
3686 { | |
3687 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3688 "upstream sent too large window update"); | |
3689 return NGX_ERROR; | |
3690 } | |
3691 | |
3692 ctx->connection->send_window += ctx->window_update; | |
3693 } | |
3694 | |
3695 return NGX_OK; | |
3696 } | |
3697 | |
3698 | |
3699 static ngx_int_t | |
3700 ngx_http_grpc_parse_settings(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
3701 ngx_buf_t *b) | |
3702 { | |
3703 u_char ch, *p, *last; | |
3704 ssize_t window_update; | |
3705 enum { | |
3706 sw_start = 0, | |
3707 sw_id, | |
3708 sw_id_2, | |
3709 sw_value, | |
3710 sw_value_2, | |
3711 sw_value_3, | |
3712 sw_value_4 | |
3713 } state; | |
3714 | |
3715 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
3716 last = b->last; | |
3717 | |
3718 } else { | |
3719 last = b->pos + ctx->rest; | |
3720 } | |
3721 | |
3722 state = ctx->frame_state; | |
3723 | |
3724 if (state == sw_start) { | |
3725 | |
3726 if (ctx->stream_id) { | |
3727 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3728 "upstream sent settings frame " | |
3729 "with non-zero stream id: %ui", | |
3730 ctx->stream_id); | |
3731 return NGX_ERROR; | |
3732 } | |
3733 | |
3734 if (ctx->flags & NGX_HTTP_V2_ACK_FLAG) { | |
3735 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3736 "grpc settings ack"); | |
3737 | |
3738 if (ctx->rest != 0) { | |
3739 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3740 "upstream sent settings frame " | |
3741 "with ack flag and non-zero length: %uz", | |
3742 ctx->rest); | |
3743 return NGX_ERROR; | |
3744 } | |
3745 | |
3746 ctx->state = ngx_http_grpc_st_start; | |
3747 | |
3748 return NGX_OK; | |
3749 } | |
3750 | |
3751 if (ctx->rest % 6 != 0) { | |
3752 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3753 "upstream sent settings frame " | |
3754 "with invalid length: %uz", | |
3755 ctx->rest); | |
3756 return NGX_ERROR; | |
3757 } | |
7379
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3758 |
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3759 if (ctx->free == NULL && ctx->settings++ > 1000) { |
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3760 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3761 "upstream sent too many settings frames"); |
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3762 return NGX_ERROR; |
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3763 } |
7233 | 3764 } |
3765 | |
3766 for (p = b->pos; p < last; p++) { | |
3767 ch = *p; | |
3768 | |
3769 #if 0 | |
3770 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3771 "grpc settings byte: %02Xd s:%d", ch, state); | |
3772 #endif | |
3773 | |
3774 switch (state) { | |
3775 | |
3776 case sw_start: | |
3777 case sw_id: | |
3778 ctx->setting_id = ch << 8; | |
3779 state = sw_id_2; | |
3780 break; | |
3781 | |
3782 case sw_id_2: | |
3783 ctx->setting_id |= ch; | |
3784 state = sw_value; | |
3785 break; | |
3786 | |
3787 case sw_value: | |
7249
070c972336c4
gRPC: fixed possible sign extension of error and setting_value.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7242
diff
changeset
|
3788 ctx->setting_value = (ngx_uint_t) ch << 24; |
7233 | 3789 state = sw_value_2; |
3790 break; | |
3791 | |
3792 case sw_value_2: | |
3793 ctx->setting_value |= ch << 16; | |
3794 state = sw_value_3; | |
3795 break; | |
3796 | |
3797 case sw_value_3: | |
3798 ctx->setting_value |= ch << 8; | |
3799 state = sw_value_4; | |
3800 break; | |
3801 | |
3802 case sw_value_4: | |
3803 ctx->setting_value |= ch; | |
3804 state = sw_id; | |
3805 | |
3806 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3807 "grpc setting: %ui %ui", | |
3808 ctx->setting_id, ctx->setting_value); | |
3809 | |
3810 /* | |
3811 * The following settings are defined by the protocol: | |
3812 * | |
3813 * SETTINGS_HEADER_TABLE_SIZE, SETTINGS_ENABLE_PUSH, | |
3814 * SETTINGS_MAX_CONCURRENT_STREAMS, SETTINGS_INITIAL_WINDOW_SIZE, | |
3815 * SETTINGS_MAX_FRAME_SIZE, SETTINGS_MAX_HEADER_LIST_SIZE | |
3816 * | |
3817 * Only SETTINGS_INITIAL_WINDOW_SIZE seems to be needed in | |
3818 * a simple client. | |
3819 */ | |
3820 | |
3821 if (ctx->setting_id == 0x04) { | |
3822 /* SETTINGS_INITIAL_WINDOW_SIZE */ | |
3823 | |
3824 if (ctx->setting_value > NGX_HTTP_V2_MAX_WINDOW) { | |
3825 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3826 "upstream sent settings frame " | |
3827 "with too large initial window size: %ui", | |
3828 ctx->setting_value); | |
3829 return NGX_ERROR; | |
3830 } | |
3831 | |
3832 window_update = ctx->setting_value | |
3833 - ctx->connection->init_window; | |
3834 ctx->connection->init_window = ctx->setting_value; | |
3835 | |
3836 if (ctx->send_window > 0 | |
3837 && window_update > (ssize_t) NGX_HTTP_V2_MAX_WINDOW | |
3838 - ctx->send_window) | |
3839 { | |
3840 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3841 "upstream sent settings frame " | |
3842 "with too large initial window size: %ui", | |
3843 ctx->setting_value); | |
3844 return NGX_ERROR; | |
3845 } | |
3846 | |
3847 ctx->send_window += window_update; | |
3848 } | |
3849 | |
3850 break; | |
3851 } | |
3852 } | |
3853 | |
3854 ctx->rest -= p - b->pos; | |
3855 ctx->frame_state = state; | |
3856 b->pos = p; | |
3857 | |
3858 if (ctx->rest > 0) { | |
3859 return NGX_AGAIN; | |
3860 } | |
3861 | |
3862 ctx->state = ngx_http_grpc_st_start; | |
3863 | |
3864 return ngx_http_grpc_send_settings_ack(r, ctx); | |
3865 } | |
3866 | |
3867 | |
3868 static ngx_int_t | |
3869 ngx_http_grpc_parse_ping(ngx_http_request_t *r, | |
3870 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b) | |
3871 { | |
3872 u_char ch, *p, *last; | |
3873 enum { | |
3874 sw_start = 0, | |
3875 sw_data_2, | |
3876 sw_data_3, | |
3877 sw_data_4, | |
3878 sw_data_5, | |
3879 sw_data_6, | |
3880 sw_data_7, | |
3881 sw_data_8 | |
3882 } state; | |
3883 | |
3884 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
3885 last = b->last; | |
3886 | |
3887 } else { | |
3888 last = b->pos + ctx->rest; | |
3889 } | |
3890 | |
3891 state = ctx->frame_state; | |
3892 | |
3893 if (state == sw_start) { | |
3894 | |
3895 if (ctx->stream_id) { | |
3896 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3897 "upstream sent ping frame " | |
3898 "with non-zero stream id: %ui", | |
3899 ctx->stream_id); | |
3900 return NGX_ERROR; | |
3901 } | |
3902 | |
3903 if (ctx->rest != 8) { | |
3904 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3905 "upstream sent ping frame " | |
3906 "with invalid length: %uz", | |
3907 ctx->rest); | |
3908 return NGX_ERROR; | |
3909 } | |
3910 | |
3911 if (ctx->flags & NGX_HTTP_V2_ACK_FLAG) { | |
3912 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
3913 "upstream sent ping frame with ack flag"); | |
3914 return NGX_ERROR; | |
3915 } | |
7379
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3916 |
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3917 if (ctx->free == NULL && ctx->pings++ > 1000) { |
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3918 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3919 "upstream sent too many ping frames"); |
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3920 return NGX_ERROR; |
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3921 } |
7233 | 3922 } |
3923 | |
3924 for (p = b->pos; p < last; p++) { | |
3925 ch = *p; | |
3926 | |
3927 #if 0 | |
3928 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3929 "grpc ping byte: %02Xd s:%d", ch, state); | |
3930 #endif | |
3931 | |
3932 if (state < sw_data_8) { | |
3933 ctx->ping_data[state] = ch; | |
3934 state++; | |
3935 | |
3936 } else { | |
3937 ctx->ping_data[7] = ch; | |
3938 state = sw_start; | |
3939 | |
3940 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3941 "grpc ping"); | |
3942 } | |
3943 } | |
3944 | |
3945 ctx->rest -= p - b->pos; | |
3946 ctx->frame_state = state; | |
3947 b->pos = p; | |
3948 | |
3949 if (ctx->rest > 0) { | |
3950 return NGX_AGAIN; | |
3951 } | |
3952 | |
3953 ctx->state = ngx_http_grpc_st_start; | |
3954 | |
3955 return ngx_http_grpc_send_ping_ack(r, ctx); | |
3956 } | |
3957 | |
3958 | |
3959 static ngx_int_t | |
3960 ngx_http_grpc_send_settings_ack(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx) | |
3961 { | |
3962 ngx_chain_t *cl, **ll; | |
3963 ngx_http_grpc_frame_t *f; | |
3964 | |
3965 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
3966 "grpc send settings ack"); | |
3967 | |
3968 for (cl = ctx->out, ll = &ctx->out; cl; cl = cl->next) { | |
3969 ll = &cl->next; | |
3970 } | |
3971 | |
3972 cl = ngx_http_grpc_get_buf(r, ctx); | |
3973 if (cl == NULL) { | |
3974 return NGX_ERROR; | |
3975 } | |
3976 | |
3977 f = (ngx_http_grpc_frame_t *) cl->buf->last; | |
3978 cl->buf->last += sizeof(ngx_http_grpc_frame_t); | |
3979 | |
3980 f->length_0 = 0; | |
3981 f->length_1 = 0; | |
3982 f->length_2 = 0; | |
3983 f->type = NGX_HTTP_V2_SETTINGS_FRAME; | |
3984 f->flags = NGX_HTTP_V2_ACK_FLAG; | |
3985 f->stream_id_0 = 0; | |
3986 f->stream_id_1 = 0; | |
3987 f->stream_id_2 = 0; | |
3988 f->stream_id_3 = 0; | |
3989 | |
3990 *ll = cl; | |
3991 | |
3992 return NGX_OK; | |
3993 } | |
3994 | |
3995 | |
3996 static ngx_int_t | |
3997 ngx_http_grpc_send_ping_ack(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx) | |
3998 { | |
3999 ngx_chain_t *cl, **ll; | |
4000 ngx_http_grpc_frame_t *f; | |
4001 | |
4002 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
4003 "grpc send ping ack"); | |
4004 | |
4005 for (cl = ctx->out, ll = &ctx->out; cl; cl = cl->next) { | |
4006 ll = &cl->next; | |
4007 } | |
4008 | |
4009 cl = ngx_http_grpc_get_buf(r, ctx); | |
4010 if (cl == NULL) { | |
4011 return NGX_ERROR; | |
4012 } | |
4013 | |
4014 f = (ngx_http_grpc_frame_t *) cl->buf->last; | |
4015 cl->buf->last += sizeof(ngx_http_grpc_frame_t); | |
4016 | |
4017 f->length_0 = 0; | |
4018 f->length_1 = 0; | |
4019 f->length_2 = 8; | |
4020 f->type = NGX_HTTP_V2_PING_FRAME; | |
4021 f->flags = NGX_HTTP_V2_ACK_FLAG; | |
4022 f->stream_id_0 = 0; | |
4023 f->stream_id_1 = 0; | |
4024 f->stream_id_2 = 0; | |
4025 f->stream_id_3 = 0; | |
4026 | |
4027 cl->buf->last = ngx_copy(cl->buf->last, ctx->ping_data, 8); | |
4028 | |
4029 *ll = cl; | |
4030 | |
4031 return NGX_OK; | |
4032 } | |
4033 | |
4034 | |
4035 static ngx_int_t | |
4036 ngx_http_grpc_send_window_update(ngx_http_request_t *r, | |
4037 ngx_http_grpc_ctx_t *ctx) | |
4038 { | |
4039 size_t n; | |
4040 ngx_chain_t *cl, **ll; | |
4041 ngx_http_grpc_frame_t *f; | |
4042 | |
4043 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
4044 "grpc send window update: %uz %uz", | |
4045 ctx->connection->recv_window, ctx->recv_window); | |
4046 | |
4047 for (cl = ctx->out, ll = &ctx->out; cl; cl = cl->next) { | |
4048 ll = &cl->next; | |
4049 } | |
4050 | |
4051 cl = ngx_http_grpc_get_buf(r, ctx); | |
4052 if (cl == NULL) { | |
4053 return NGX_ERROR; | |
4054 } | |
4055 | |
4056 f = (ngx_http_grpc_frame_t *) cl->buf->last; | |
4057 cl->buf->last += sizeof(ngx_http_grpc_frame_t); | |
4058 | |
4059 f->length_0 = 0; | |
4060 f->length_1 = 0; | |
4061 f->length_2 = 4; | |
4062 f->type = NGX_HTTP_V2_WINDOW_UPDATE_FRAME; | |
4063 f->flags = 0; | |
4064 f->stream_id_0 = 0; | |
4065 f->stream_id_1 = 0; | |
4066 f->stream_id_2 = 0; | |
4067 f->stream_id_3 = 0; | |
4068 | |
4069 n = NGX_HTTP_V2_MAX_WINDOW - ctx->connection->recv_window; | |
4070 ctx->connection->recv_window = NGX_HTTP_V2_MAX_WINDOW; | |
4071 | |
4072 *cl->buf->last++ = (u_char) ((n >> 24) & 0xff); | |
4073 *cl->buf->last++ = (u_char) ((n >> 16) & 0xff); | |
4074 *cl->buf->last++ = (u_char) ((n >> 8) & 0xff); | |
4075 *cl->buf->last++ = (u_char) (n & 0xff); | |
4076 | |
4077 f = (ngx_http_grpc_frame_t *) cl->buf->last; | |
4078 cl->buf->last += sizeof(ngx_http_grpc_frame_t); | |
4079 | |
4080 f->length_0 = 0; | |
4081 f->length_1 = 0; | |
4082 f->length_2 = 4; | |
4083 f->type = NGX_HTTP_V2_WINDOW_UPDATE_FRAME; | |
4084 f->flags = 0; | |
4085 f->stream_id_0 = (u_char) ((ctx->id >> 24) & 0xff); | |
4086 f->stream_id_1 = (u_char) ((ctx->id >> 16) & 0xff); | |
4087 f->stream_id_2 = (u_char) ((ctx->id >> 8) & 0xff); | |
4088 f->stream_id_3 = (u_char) (ctx->id & 0xff); | |
4089 | |
4090 n = NGX_HTTP_V2_MAX_WINDOW - ctx->recv_window; | |
4091 ctx->recv_window = NGX_HTTP_V2_MAX_WINDOW; | |
4092 | |
4093 *cl->buf->last++ = (u_char) ((n >> 24) & 0xff); | |
4094 *cl->buf->last++ = (u_char) ((n >> 16) & 0xff); | |
4095 *cl->buf->last++ = (u_char) ((n >> 8) & 0xff); | |
4096 *cl->buf->last++ = (u_char) (n & 0xff); | |
4097 | |
4098 *ll = cl; | |
4099 | |
4100 return NGX_OK; | |
4101 } | |
4102 | |
4103 | |
4104 static ngx_chain_t * | |
4105 ngx_http_grpc_get_buf(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx) | |
4106 { | |
7305
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4107 u_char *start; |
7233 | 4108 ngx_buf_t *b; |
4109 ngx_chain_t *cl; | |
4110 | |
4111 cl = ngx_chain_get_free_buf(r->pool, &ctx->free); | |
4112 if (cl == NULL) { | |
4113 return NULL; | |
4114 } | |
4115 | |
4116 b = cl->buf; | |
7305
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4117 start = b->start; |
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4118 |
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4119 if (start == NULL) { |
7233 | 4120 |
4121 /* | |
4122 * each buffer is large enough to hold two window update | |
4123 * frames in a row | |
4124 */ | |
4125 | |
7305
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4126 start = ngx_palloc(r->pool, 2 * sizeof(ngx_http_grpc_frame_t) + 8); |
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4127 if (start == NULL) { |
7233 | 4128 return NULL; |
4129 } | |
4130 | |
4131 } | |
4132 | |
7305
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4133 ngx_memzero(b, sizeof(ngx_buf_t)); |
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4134 |
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4135 b->start = start; |
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4136 b->pos = start; |
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4137 b->last = start; |
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4138 b->end = start + 2 * sizeof(ngx_http_grpc_frame_t) + 8; |
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4139 |
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4140 b->tag = (ngx_buf_tag_t) &ngx_http_grpc_body_output_filter; |
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4141 b->temporary = 1; |
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4142 b->flush = 1; |
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4143 |
7233 | 4144 return cl; |
4145 } | |
4146 | |
4147 | |
4148 static ngx_http_grpc_ctx_t * | |
4149 ngx_http_grpc_get_ctx(ngx_http_request_t *r) | |
4150 { | |
4151 ngx_http_grpc_ctx_t *ctx; | |
4152 ngx_http_upstream_t *u; | |
4153 | |
4154 ctx = ngx_http_get_module_ctx(r, ngx_http_grpc_module); | |
4155 | |
4156 if (ctx->connection == NULL) { | |
4157 u = r->upstream; | |
4158 | |
4159 if (ngx_http_grpc_get_connection_data(r, ctx, &u->peer) != NGX_OK) { | |
4160 return NULL; | |
4161 } | |
4162 } | |
4163 | |
4164 return ctx; | |
4165 } | |
4166 | |
4167 | |
4168 static ngx_int_t | |
4169 ngx_http_grpc_get_connection_data(ngx_http_request_t *r, | |
4170 ngx_http_grpc_ctx_t *ctx, ngx_peer_connection_t *pc) | |
4171 { | |
4172 ngx_connection_t *c; | |
4173 ngx_pool_cleanup_t *cln; | |
4174 | |
4175 c = pc->connection; | |
4176 | |
4177 if (pc->cached) { | |
4178 | |
4179 /* | |
4180 * for cached connections, connection data can be found | |
4181 * in the cleanup handler | |
4182 */ | |
4183 | |
4184 for (cln = c->pool->cleanup; cln; cln = cln->next) { | |
4185 if (cln->handler == ngx_http_grpc_cleanup) { | |
4186 ctx->connection = cln->data; | |
4187 break; | |
4188 } | |
4189 } | |
4190 | |
4191 if (ctx->connection == NULL) { | |
4192 ngx_log_error(NGX_LOG_ERR, c->log, 0, | |
4193 "no connection data found for " | |
4194 "keepalive http2 connection"); | |
4195 return NGX_ERROR; | |
4196 } | |
4197 | |
4198 ctx->send_window = ctx->connection->init_window; | |
4199 ctx->recv_window = NGX_HTTP_V2_MAX_WINDOW; | |
4200 | |
4201 ctx->connection->last_stream_id += 2; | |
4202 ctx->id = ctx->connection->last_stream_id; | |
4203 | |
4204 return NGX_OK; | |
4205 } | |
4206 | |
4207 cln = ngx_pool_cleanup_add(c->pool, sizeof(ngx_http_grpc_conn_t)); | |
4208 if (cln == NULL) { | |
4209 return NGX_ERROR; | |
4210 } | |
4211 | |
4212 cln->handler = ngx_http_grpc_cleanup; | |
4213 ctx->connection = cln->data; | |
4214 | |
4215 ctx->connection->init_window = NGX_HTTP_V2_DEFAULT_WINDOW; | |
4216 ctx->connection->send_window = NGX_HTTP_V2_DEFAULT_WINDOW; | |
4217 ctx->connection->recv_window = NGX_HTTP_V2_MAX_WINDOW; | |
4218 | |
4219 ctx->send_window = NGX_HTTP_V2_DEFAULT_WINDOW; | |
4220 ctx->recv_window = NGX_HTTP_V2_MAX_WINDOW; | |
4221 | |
4222 ctx->id = 1; | |
4223 ctx->connection->last_stream_id = 1; | |
4224 | |
4225 return NGX_OK; | |
4226 } | |
4227 | |
4228 | |
4229 static void | |
4230 ngx_http_grpc_cleanup(void *data) | |
4231 { | |
4232 #if 0 | |
4233 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
4234 "grpc cleanup"); | |
4235 #endif | |
4236 return; | |
4237 } | |
4238 | |
4239 | |
4240 static void | |
4241 ngx_http_grpc_abort_request(ngx_http_request_t *r) | |
4242 { | |
4243 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
4244 "abort grpc request"); | |
4245 return; | |
4246 } | |
4247 | |
4248 | |
4249 static void | |
4250 ngx_http_grpc_finalize_request(ngx_http_request_t *r, ngx_int_t rc) | |
4251 { | |
4252 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
4253 "finalize grpc request"); | |
4254 return; | |
4255 } | |
4256 | |
4257 | |
7234
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4258 static ngx_int_t |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4259 ngx_http_grpc_internal_trailers_variable(ngx_http_request_t *r, |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4260 ngx_http_variable_value_t *v, uintptr_t data) |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4261 { |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4262 ngx_table_elt_t *te; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4263 |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4264 te = r->headers_in.te; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4265 |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4266 if (te == NULL) { |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4267 v->not_found = 1; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4268 return NGX_OK; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4269 } |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4270 |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4271 if (ngx_strlcasestrn(te->value.data, te->value.data + te->value.len, |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4272 (u_char *) "trailers", 8 - 1) |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4273 == NULL) |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4274 { |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4275 v->not_found = 1; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4276 return NGX_OK; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4277 } |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4278 |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4279 v->valid = 1; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4280 v->no_cacheable = 0; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4281 v->not_found = 0; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4282 |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4283 v->data = (u_char *) "trailers"; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4284 v->len = sizeof("trailers") - 1; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4285 |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4286 return NGX_OK; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4287 } |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4288 |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4289 |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4290 static ngx_int_t |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4291 ngx_http_grpc_add_variables(ngx_conf_t *cf) |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4292 { |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4293 ngx_http_variable_t *var, *v; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4294 |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4295 for (v = ngx_http_grpc_vars; v->name.len; v++) { |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4296 var = ngx_http_add_variable(cf, &v->name, v->flags); |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4297 if (var == NULL) { |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4298 return NGX_ERROR; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4299 } |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4300 |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4301 var->get_handler = v->get_handler; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4302 var->data = v->data; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4303 } |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4304 |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4305 return NGX_OK; |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4306 } |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4307 |
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4308 |
7233 | 4309 static void * |
4310 ngx_http_grpc_create_loc_conf(ngx_conf_t *cf) | |
4311 { | |
4312 ngx_http_grpc_loc_conf_t *conf; | |
4313 | |
4314 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_grpc_loc_conf_t)); | |
4315 if (conf == NULL) { | |
4316 return NULL; | |
4317 } | |
4318 | |
4319 /* | |
4320 * set by ngx_pcalloc(): | |
4321 * | |
4322 * conf->upstream.ignore_headers = 0; | |
4323 * conf->upstream.next_upstream = 0; | |
4324 * conf->upstream.hide_headers_hash = { NULL, 0 }; | |
4325 * conf->upstream.ssl_name = NULL; | |
4326 * | |
4327 * conf->headers_source = NULL; | |
4328 * conf->headers.lengths = NULL; | |
4329 * conf->headers.values = NULL; | |
4330 * conf->headers.hash = { NULL, 0 }; | |
4331 * conf->host = { 0, NULL }; | |
4332 * conf->host_set = 0; | |
4333 * conf->ssl = 0; | |
4334 * conf->ssl_protocols = 0; | |
4335 * conf->ssl_ciphers = { 0, NULL }; | |
4336 * conf->ssl_trusted_certificate = { 0, NULL }; | |
4337 * conf->ssl_crl = { 0, NULL }; | |
4338 * conf->ssl_certificate = { 0, NULL }; | |
4339 * conf->ssl_certificate_key = { 0, NULL }; | |
4340 */ | |
4341 | |
4342 conf->upstream.local = NGX_CONF_UNSET_PTR; | |
7371
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
4343 conf->upstream.socket_keepalive = NGX_CONF_UNSET; |
7233 | 4344 conf->upstream.next_upstream_tries = NGX_CONF_UNSET_UINT; |
4345 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; | |
4346 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; | |
4347 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; | |
4348 conf->upstream.next_upstream_timeout = NGX_CONF_UNSET_MSEC; | |
4349 | |
4350 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; | |
4351 | |
4352 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR; | |
4353 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR; | |
4354 | |
4355 conf->upstream.intercept_errors = NGX_CONF_UNSET; | |
4356 | |
4357 #if (NGX_HTTP_SSL) | |
4358 conf->upstream.ssl_session_reuse = NGX_CONF_UNSET; | |
4359 conf->upstream.ssl_server_name = NGX_CONF_UNSET; | |
4360 conf->upstream.ssl_verify = NGX_CONF_UNSET; | |
4361 conf->ssl_verify_depth = NGX_CONF_UNSET_UINT; | |
4362 conf->ssl_passwords = NGX_CONF_UNSET_PTR; | |
4363 #endif | |
4364 | |
4365 /* the hardcoded values */ | |
4366 conf->upstream.cyclic_temp_file = 0; | |
4367 conf->upstream.buffering = 0; | |
4368 conf->upstream.ignore_client_abort = 0; | |
4369 conf->upstream.send_lowat = 0; | |
4370 conf->upstream.bufs.num = 0; | |
4371 conf->upstream.busy_buffers_size = 0; | |
4372 conf->upstream.max_temp_file_size = 0; | |
4373 conf->upstream.temp_file_write_size = 0; | |
4374 conf->upstream.pass_request_headers = 1; | |
4375 conf->upstream.pass_request_body = 1; | |
4376 conf->upstream.force_ranges = 0; | |
4377 conf->upstream.pass_trailers = 1; | |
4378 conf->upstream.preserve_output = 1; | |
4379 | |
4380 ngx_str_set(&conf->upstream.module, "grpc"); | |
4381 | |
4382 return conf; | |
4383 } | |
4384 | |
4385 | |
4386 static char * | |
4387 ngx_http_grpc_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
4388 { | |
4389 ngx_http_grpc_loc_conf_t *prev = parent; | |
4390 ngx_http_grpc_loc_conf_t *conf = child; | |
4391 | |
4392 ngx_int_t rc; | |
4393 ngx_hash_init_t hash; | |
4394 ngx_http_core_loc_conf_t *clcf; | |
4395 | |
4396 ngx_conf_merge_ptr_value(conf->upstream.local, | |
4397 prev->upstream.local, NULL); | |
4398 | |
7371
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
4399 ngx_conf_merge_value(conf->upstream.socket_keepalive, |
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
4400 prev->upstream.socket_keepalive, 0); |
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
4401 |
7233 | 4402 ngx_conf_merge_uint_value(conf->upstream.next_upstream_tries, |
4403 prev->upstream.next_upstream_tries, 0); | |
4404 | |
4405 ngx_conf_merge_msec_value(conf->upstream.connect_timeout, | |
4406 prev->upstream.connect_timeout, 60000); | |
4407 | |
4408 ngx_conf_merge_msec_value(conf->upstream.send_timeout, | |
4409 prev->upstream.send_timeout, 60000); | |
4410 | |
4411 ngx_conf_merge_msec_value(conf->upstream.read_timeout, | |
4412 prev->upstream.read_timeout, 60000); | |
4413 | |
4414 ngx_conf_merge_msec_value(conf->upstream.next_upstream_timeout, | |
4415 prev->upstream.next_upstream_timeout, 0); | |
4416 | |
4417 ngx_conf_merge_size_value(conf->upstream.buffer_size, | |
4418 prev->upstream.buffer_size, | |
4419 (size_t) ngx_pagesize); | |
4420 | |
4421 ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers, | |
4422 prev->upstream.ignore_headers, | |
4423 NGX_CONF_BITMASK_SET); | |
4424 | |
4425 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, | |
4426 prev->upstream.next_upstream, | |
4427 (NGX_CONF_BITMASK_SET | |
4428 |NGX_HTTP_UPSTREAM_FT_ERROR | |
4429 |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); | |
4430 | |
4431 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { | |
4432 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET | |
4433 |NGX_HTTP_UPSTREAM_FT_OFF; | |
4434 } | |
4435 | |
4436 ngx_conf_merge_value(conf->upstream.intercept_errors, | |
4437 prev->upstream.intercept_errors, 0); | |
4438 | |
4439 #if (NGX_HTTP_SSL) | |
4440 | |
4441 ngx_conf_merge_value(conf->upstream.ssl_session_reuse, | |
4442 prev->upstream.ssl_session_reuse, 1); | |
4443 | |
4444 ngx_conf_merge_bitmask_value(conf->ssl_protocols, prev->ssl_protocols, | |
4445 (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 | |
4446 |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); | |
4447 | |
4448 ngx_conf_merge_str_value(conf->ssl_ciphers, prev->ssl_ciphers, | |
4449 "DEFAULT"); | |
4450 | |
4451 if (conf->upstream.ssl_name == NULL) { | |
4452 conf->upstream.ssl_name = prev->upstream.ssl_name; | |
4453 } | |
4454 | |
4455 ngx_conf_merge_value(conf->upstream.ssl_server_name, | |
4456 prev->upstream.ssl_server_name, 0); | |
4457 ngx_conf_merge_value(conf->upstream.ssl_verify, | |
4458 prev->upstream.ssl_verify, 0); | |
4459 ngx_conf_merge_uint_value(conf->ssl_verify_depth, | |
4460 prev->ssl_verify_depth, 1); | |
4461 ngx_conf_merge_str_value(conf->ssl_trusted_certificate, | |
4462 prev->ssl_trusted_certificate, ""); | |
4463 ngx_conf_merge_str_value(conf->ssl_crl, prev->ssl_crl, ""); | |
4464 | |
4465 ngx_conf_merge_str_value(conf->ssl_certificate, | |
4466 prev->ssl_certificate, ""); | |
4467 ngx_conf_merge_str_value(conf->ssl_certificate_key, | |
4468 prev->ssl_certificate_key, ""); | |
4469 ngx_conf_merge_ptr_value(conf->ssl_passwords, prev->ssl_passwords, NULL); | |
4470 | |
4471 if (conf->ssl && ngx_http_grpc_set_ssl(cf, conf) != NGX_OK) { | |
4472 return NGX_CONF_ERROR; | |
4473 } | |
4474 | |
4475 #endif | |
4476 | |
4477 hash.max_size = 512; | |
4478 hash.bucket_size = ngx_align(64, ngx_cacheline_size); | |
4479 hash.name = "grpc_headers_hash"; | |
4480 | |
4481 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream, | |
4482 &prev->upstream, ngx_http_grpc_hide_headers, &hash) | |
4483 != NGX_OK) | |
4484 { | |
4485 return NGX_CONF_ERROR; | |
4486 } | |
4487 | |
4488 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
4489 | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4490 if (clcf->noname |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4491 && conf->upstream.upstream == NULL && conf->grpc_lengths == NULL) |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4492 { |
7233 | 4493 conf->upstream.upstream = prev->upstream.upstream; |
4494 conf->host = prev->host; | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4495 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4496 conf->grpc_lengths = prev->grpc_lengths; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4497 conf->grpc_values = prev->grpc_values; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4498 |
7233 | 4499 #if (NGX_HTTP_SSL) |
4500 conf->upstream.ssl = prev->upstream.ssl; | |
4501 #endif | |
4502 } | |
4503 | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4504 if (clcf->lmt_excpt && clcf->handler == NULL |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4505 && (conf->upstream.upstream || conf->grpc_lengths)) |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4506 { |
7233 | 4507 clcf->handler = ngx_http_grpc_handler; |
4508 } | |
4509 | |
4510 if (conf->headers_source == NULL) { | |
4511 conf->headers = prev->headers; | |
4512 conf->headers_source = prev->headers_source; | |
4513 conf->host_set = prev->host_set; | |
4514 } | |
4515 | |
4516 rc = ngx_http_grpc_init_headers(cf, conf, &conf->headers, | |
4517 ngx_http_grpc_headers); | |
4518 if (rc != NGX_OK) { | |
4519 return NGX_CONF_ERROR; | |
4520 } | |
4521 | |
4522 /* | |
4523 * special handling to preserve conf->headers in the "http" section | |
4524 * to inherit it to all servers | |
4525 */ | |
4526 | |
4527 if (prev->headers.hash.buckets == NULL | |
4528 && conf->headers_source == prev->headers_source) | |
4529 { | |
4530 prev->headers = conf->headers; | |
4531 prev->host_set = conf->host_set; | |
4532 } | |
4533 | |
4534 return NGX_CONF_OK; | |
4535 } | |
4536 | |
4537 | |
4538 static ngx_int_t | |
4539 ngx_http_grpc_init_headers(ngx_conf_t *cf, ngx_http_grpc_loc_conf_t *conf, | |
4540 ngx_http_grpc_headers_t *headers, ngx_keyval_t *default_headers) | |
4541 { | |
4542 u_char *p; | |
4543 size_t size; | |
4544 uintptr_t *code; | |
4545 ngx_uint_t i; | |
4546 ngx_array_t headers_names, headers_merged; | |
4547 ngx_keyval_t *src, *s, *h; | |
4548 ngx_hash_key_t *hk; | |
4549 ngx_hash_init_t hash; | |
4550 ngx_http_script_compile_t sc; | |
4551 ngx_http_script_copy_code_t *copy; | |
4552 | |
4553 if (headers->hash.buckets) { | |
4554 return NGX_OK; | |
4555 } | |
4556 | |
4557 if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) | |
4558 != NGX_OK) | |
4559 { | |
4560 return NGX_ERROR; | |
4561 } | |
4562 | |
4563 if (ngx_array_init(&headers_merged, cf->temp_pool, 4, sizeof(ngx_keyval_t)) | |
4564 != NGX_OK) | |
4565 { | |
4566 return NGX_ERROR; | |
4567 } | |
4568 | |
4569 headers->lengths = ngx_array_create(cf->pool, 64, 1); | |
4570 if (headers->lengths == NULL) { | |
4571 return NGX_ERROR; | |
4572 } | |
4573 | |
4574 headers->values = ngx_array_create(cf->pool, 512, 1); | |
4575 if (headers->values == NULL) { | |
4576 return NGX_ERROR; | |
4577 } | |
4578 | |
4579 if (conf->headers_source) { | |
4580 | |
4581 src = conf->headers_source->elts; | |
4582 for (i = 0; i < conf->headers_source->nelts; i++) { | |
4583 | |
4584 if (src[i].key.len == 4 | |
4585 && ngx_strncasecmp(src[i].key.data, (u_char *) "Host", 4) == 0) | |
4586 { | |
4587 conf->host_set = 1; | |
4588 } | |
4589 | |
4590 s = ngx_array_push(&headers_merged); | |
4591 if (s == NULL) { | |
4592 return NGX_ERROR; | |
4593 } | |
4594 | |
4595 *s = src[i]; | |
4596 } | |
4597 } | |
4598 | |
4599 h = default_headers; | |
4600 | |
4601 while (h->key.len) { | |
4602 | |
4603 src = headers_merged.elts; | |
4604 for (i = 0; i < headers_merged.nelts; i++) { | |
4605 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { | |
4606 goto next; | |
4607 } | |
4608 } | |
4609 | |
4610 s = ngx_array_push(&headers_merged); | |
4611 if (s == NULL) { | |
4612 return NGX_ERROR; | |
4613 } | |
4614 | |
4615 *s = *h; | |
4616 | |
4617 next: | |
4618 | |
4619 h++; | |
4620 } | |
4621 | |
4622 | |
4623 src = headers_merged.elts; | |
4624 for (i = 0; i < headers_merged.nelts; i++) { | |
4625 | |
4626 hk = ngx_array_push(&headers_names); | |
4627 if (hk == NULL) { | |
4628 return NGX_ERROR; | |
4629 } | |
4630 | |
4631 hk->key = src[i].key; | |
4632 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len); | |
4633 hk->value = (void *) 1; | |
4634 | |
4635 if (src[i].value.len == 0) { | |
4636 continue; | |
4637 } | |
4638 | |
4639 copy = ngx_array_push_n(headers->lengths, | |
4640 sizeof(ngx_http_script_copy_code_t)); | |
4641 if (copy == NULL) { | |
4642 return NGX_ERROR; | |
4643 } | |
4644 | |
7271
9e25a5380a21
Silenced -Wcast-function-type warnings (closes #1546).
Sergey Kandaurov <pluknet@nginx.com>
parents:
7249
diff
changeset
|
4645 copy->code = (ngx_http_script_code_pt) (void *) |
9e25a5380a21
Silenced -Wcast-function-type warnings (closes #1546).
Sergey Kandaurov <pluknet@nginx.com>
parents:
7249
diff
changeset
|
4646 ngx_http_script_copy_len_code; |
7233 | 4647 copy->len = src[i].key.len; |
4648 | |
4649 size = (sizeof(ngx_http_script_copy_code_t) | |
4650 + src[i].key.len + sizeof(uintptr_t) - 1) | |
4651 & ~(sizeof(uintptr_t) - 1); | |
4652 | |
4653 copy = ngx_array_push_n(headers->values, size); | |
4654 if (copy == NULL) { | |
4655 return NGX_ERROR; | |
4656 } | |
4657 | |
4658 copy->code = ngx_http_script_copy_code; | |
4659 copy->len = src[i].key.len; | |
4660 | |
4661 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
4662 ngx_memcpy(p, src[i].key.data, src[i].key.len); | |
4663 | |
4664 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
4665 | |
4666 sc.cf = cf; | |
4667 sc.source = &src[i].value; | |
4668 sc.flushes = &headers->flushes; | |
4669 sc.lengths = &headers->lengths; | |
4670 sc.values = &headers->values; | |
4671 | |
4672 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
4673 return NGX_ERROR; | |
4674 } | |
4675 | |
4676 code = ngx_array_push_n(headers->lengths, sizeof(uintptr_t)); | |
4677 if (code == NULL) { | |
4678 return NGX_ERROR; | |
4679 } | |
4680 | |
4681 *code = (uintptr_t) NULL; | |
4682 | |
4683 code = ngx_array_push_n(headers->values, sizeof(uintptr_t)); | |
4684 if (code == NULL) { | |
4685 return NGX_ERROR; | |
4686 } | |
4687 | |
4688 *code = (uintptr_t) NULL; | |
4689 } | |
4690 | |
4691 code = ngx_array_push_n(headers->lengths, sizeof(uintptr_t)); | |
4692 if (code == NULL) { | |
4693 return NGX_ERROR; | |
4694 } | |
4695 | |
4696 *code = (uintptr_t) NULL; | |
4697 | |
4698 | |
4699 hash.hash = &headers->hash; | |
4700 hash.key = ngx_hash_key_lc; | |
4701 hash.max_size = 512; | |
4702 hash.bucket_size = 64; | |
4703 hash.name = "grpc_headers_hash"; | |
4704 hash.pool = cf->pool; | |
4705 hash.temp_pool = NULL; | |
4706 | |
4707 return ngx_hash_init(&hash, headers_names.elts, headers_names.nelts); | |
4708 } | |
4709 | |
4710 | |
4711 static char * | |
4712 ngx_http_grpc_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
4713 { | |
4714 ngx_http_grpc_loc_conf_t *glcf = conf; | |
4715 | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4716 size_t add; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4717 ngx_str_t *value, *url; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4718 ngx_url_t u; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4719 ngx_uint_t n; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4720 ngx_http_core_loc_conf_t *clcf; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4721 ngx_http_script_compile_t sc; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4722 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4723 if (glcf->upstream.upstream || glcf->grpc_lengths) { |
7233 | 4724 return "is duplicate"; |
4725 } | |
4726 | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4727 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4728 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4729 clcf->handler = ngx_http_grpc_handler; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4730 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4731 if (clcf->name.len && clcf->name.data[clcf->name.len - 1] == '/') { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4732 clcf->auto_redirect = 1; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4733 } |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4734 |
7233 | 4735 value = cf->args->elts; |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4736 |
7233 | 4737 url = &value[1]; |
4738 | |
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4739 n = ngx_http_script_variables_count(url); |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4740 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4741 if (n) { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4742 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4743 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4744 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4745 sc.cf = cf; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4746 sc.source = url; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4747 sc.lengths = &glcf->grpc_lengths; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4748 sc.values = &glcf->grpc_values; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4749 sc.variables = n; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4750 sc.complete_lengths = 1; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4751 sc.complete_values = 1; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4752 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4753 if (ngx_http_script_compile(&sc) != NGX_OK) { |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4754 return NGX_CONF_ERROR; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4755 } |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4756 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4757 #if (NGX_HTTP_SSL) |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4758 glcf->ssl = 1; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4759 #endif |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4760 |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4761 return NGX_CONF_OK; |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4762 } |
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4763 |
7233 | 4764 if (ngx_strncasecmp(url->data, (u_char *) "grpc://", 7) == 0) { |
4765 add = 7; | |
4766 | |
4767 } else if (ngx_strncasecmp(url->data, (u_char *) "grpcs://", 8) == 0) { | |
4768 | |
4769 #if (NGX_HTTP_SSL) | |
4770 glcf->ssl = 1; | |
4771 | |
4772 add = 8; | |
4773 #else | |
4774 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
4775 "grpcs protocol requires SSL support"); | |
4776 return NGX_CONF_ERROR; | |
4777 #endif | |
4778 | |
4779 } else { | |
4780 add = 0; | |
4781 } | |
4782 | |
4783 ngx_memzero(&u, sizeof(ngx_url_t)); | |
4784 | |
4785 u.url.len = url->len - add; | |
4786 u.url.data = url->data + add; | |
4787 u.no_resolve = 1; | |
4788 | |
4789 glcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); | |
4790 if (glcf->upstream.upstream == NULL) { | |
4791 return NGX_CONF_ERROR; | |
4792 } | |
4793 | |
4794 if (u.family != AF_UNIX) { | |
4795 | |
4796 if (u.no_port) { | |
4797 glcf->host = u.host; | |
4798 | |
4799 } else { | |
4800 glcf->host.len = u.host.len + 1 + u.port_text.len; | |
4801 glcf->host.data = u.host.data; | |
4802 } | |
4803 | |
4804 } else { | |
4805 ngx_str_set(&glcf->host, "localhost"); | |
4806 } | |
4807 | |
4808 return NGX_CONF_OK; | |
4809 } | |
4810 | |
4811 | |
4812 #if (NGX_HTTP_SSL) | |
4813 | |
4814 static char * | |
4815 ngx_http_grpc_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
4816 { | |
4817 ngx_http_grpc_loc_conf_t *glcf = conf; | |
4818 | |
4819 ngx_str_t *value; | |
4820 | |
4821 if (glcf->ssl_passwords != NGX_CONF_UNSET_PTR) { | |
4822 return "is duplicate"; | |
4823 } | |
4824 | |
4825 value = cf->args->elts; | |
4826 | |
4827 glcf->ssl_passwords = ngx_ssl_read_password_file(cf, &value[1]); | |
4828 | |
4829 if (glcf->ssl_passwords == NULL) { | |
4830 return NGX_CONF_ERROR; | |
4831 } | |
4832 | |
4833 return NGX_CONF_OK; | |
4834 } | |
4835 | |
4836 | |
4837 static ngx_int_t | |
4838 ngx_http_grpc_set_ssl(ngx_conf_t *cf, ngx_http_grpc_loc_conf_t *glcf) | |
4839 { | |
4840 ngx_pool_cleanup_t *cln; | |
4841 | |
4842 glcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
4843 if (glcf->upstream.ssl == NULL) { | |
4844 return NGX_ERROR; | |
4845 } | |
4846 | |
4847 glcf->upstream.ssl->log = cf->log; | |
4848 | |
4849 if (ngx_ssl_create(glcf->upstream.ssl, glcf->ssl_protocols, NULL) | |
4850 != NGX_OK) | |
4851 { | |
4852 return NGX_ERROR; | |
4853 } | |
4854 | |
4855 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
4856 if (cln == NULL) { | |
7473
8981dbb12254
SSL: fixed potential leak on memory allocation errors.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7379
diff
changeset
|
4857 ngx_ssl_cleanup_ctx(glcf->upstream.ssl); |
7233 | 4858 return NGX_ERROR; |
4859 } | |
4860 | |
4861 cln->handler = ngx_ssl_cleanup_ctx; | |
4862 cln->data = glcf->upstream.ssl; | |
4863 | |
4864 if (glcf->ssl_certificate.len) { | |
4865 | |
4866 if (glcf->ssl_certificate_key.len == 0) { | |
4867 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
4868 "no \"grpc_ssl_certificate_key\" is defined " | |
4869 "for certificate \"%V\"", &glcf->ssl_certificate); | |
4870 return NGX_ERROR; | |
4871 } | |
4872 | |
4873 if (ngx_ssl_certificate(cf, glcf->upstream.ssl, &glcf->ssl_certificate, | |
4874 &glcf->ssl_certificate_key, glcf->ssl_passwords) | |
4875 != NGX_OK) | |
4876 { | |
4877 return NGX_ERROR; | |
4878 } | |
4879 } | |
4880 | |
4881 if (ngx_ssl_ciphers(cf, glcf->upstream.ssl, &glcf->ssl_ciphers, 0) | |
4882 != NGX_OK) | |
4883 { | |
4884 return NGX_ERROR; | |
4885 } | |
4886 | |
4887 if (glcf->upstream.ssl_verify) { | |
4888 if (glcf->ssl_trusted_certificate.len == 0) { | |
4889 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
4890 "no grpc_ssl_trusted_certificate for grpc_ssl_verify"); | |
4891 return NGX_ERROR; | |
4892 } | |
4893 | |
4894 if (ngx_ssl_trusted_certificate(cf, glcf->upstream.ssl, | |
4895 &glcf->ssl_trusted_certificate, | |
4896 glcf->ssl_verify_depth) | |
4897 != NGX_OK) | |
4898 { | |
4899 return NGX_ERROR; | |
4900 } | |
4901 | |
4902 if (ngx_ssl_crl(cf, glcf->upstream.ssl, &glcf->ssl_crl) != NGX_OK) { | |
4903 return NGX_ERROR; | |
4904 } | |
4905 } | |
4906 | |
7320
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4907 if (ngx_ssl_client_session_cache(cf, glcf->upstream.ssl, |
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4908 glcf->upstream.ssl_session_reuse) |
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4909 != NGX_OK) |
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4910 { |
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4911 return NGX_ERROR; |
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4912 } |
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4913 |
7233 | 4914 #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation |
4915 | |
4916 if (SSL_CTX_set_alpn_protos(glcf->upstream.ssl->ctx, | |
4917 (u_char *) "\x02h2", 3) | |
4918 != 0) | |
4919 { | |
4920 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, | |
4921 "SSL_CTX_set_alpn_protos() failed"); | |
4922 return NGX_ERROR; | |
4923 } | |
4924 | |
4925 #endif | |
4926 | |
4927 return NGX_OK; | |
4928 } | |
4929 | |
4930 #endif |