Mercurial > hg > nginx-quic
annotate src/event/ngx_event_openssl.c @ 543:511a89da35ad release-0.2.0
nginx-0.2.0-RELEASE import
*) The pid-file names used during online upgrade was changed and now is
not required a manual rename operation. The old master process adds
the ".oldbin" suffix to its pid-file and executes a new binary file.
The new master process creates usual pid-file without the ".newbin"
suffix. If the master process exits, then old master process renames
back its pid-file with the ".oldbin" suffix to the pid-file without
suffix.
*) Change: the "worker_connections" directive, new name of the
"connections" directive; now the directive specifies maximum number
of connections, but not maximum socket descriptor number.
*) Feature: SSL supports the session cache inside one worker process.
*) Feature: the "satisfy_any" directive.
*) Change: the ngx_http_access_module and ngx_http_auth_basic_module do
not run for subrequests.
*) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending"
directives.
*) Bugfix: if all backend using in load-balancing failed after one
error, then nginx did not try do connect to them during 60 seconds.
*) Bugfix: in IMAP/POP3 command argument parsing.
Thanks to Rob Mueller.
*) Bugfix: errors while using SSL in IMAP/POP3 proxy.
*) Bugfix: errors while using SSI and gzipping.
*) Bugfix: the "Expires" and "Cache-Control" header lines were omitted
from the 304 responses.
Thanks to Alexandr Kukushkin.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 23 Sep 2005 11:02:22 +0000 |
parents | b09ee85d0ac8 |
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rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 |
541 | 11 |
12 typedef struct { | |
13 ngx_str_t engine; | |
14 } ngx_openssl_conf_t; | |
479 | 15 |
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16 |
489 | 17 static ngx_int_t ngx_ssl_handle_recv(ngx_connection_t *c, int n); |
473 | 18 static void ngx_ssl_write_handler(ngx_event_t *wev); |
19 static void ngx_ssl_read_handler(ngx_event_t *rev); | |
541 | 20 static void *ngx_openssl_create_conf(ngx_cycle_t *cycle); |
21 static char *ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf); | |
22 | |
23 #if !(NGX_SSL_ENGINE) | |
24 static char *ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd, | |
25 void *conf); | |
26 #endif | |
27 | |
28 | |
29 static ngx_command_t ngx_openssl_commands[] = { | |
30 | |
31 { ngx_string("ssl_engine"), | |
32 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, | |
33 #if (NGX_SSL_ENGINE) | |
34 ngx_conf_set_str_slot, | |
35 #else | |
36 ngx_openssl_noengine, | |
37 #endif | |
38 0, | |
39 offsetof(ngx_openssl_conf_t, engine), | |
40 NULL }, | |
41 | |
42 ngx_null_command | |
43 }; | |
44 | |
45 | |
46 static ngx_core_module_t ngx_openssl_module_ctx = { | |
47 ngx_string("openssl"), | |
48 ngx_openssl_create_conf, | |
49 ngx_openssl_init_conf | |
50 }; | |
51 | |
52 | |
53 ngx_module_t ngx_openssl_module = { | |
54 NGX_MODULE_V1, | |
55 &ngx_openssl_module_ctx, /* module context */ | |
56 ngx_openssl_commands, /* module directives */ | |
57 NGX_CORE_MODULE, /* module type */ | |
58 NULL, /* init master */ | |
59 NULL, /* init module */ | |
60 NULL, /* init process */ | |
61 NULL, /* init thread */ | |
62 NULL, /* exit thread */ | |
63 NULL, /* exit process */ | |
64 NULL, /* exit master */ | |
65 NGX_MODULE_V1_PADDING | |
66 }; | |
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67 |
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68 |
489 | 69 ngx_int_t |
70 ngx_ssl_init(ngx_log_t *log) | |
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71 { |
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72 SSL_library_init(); |
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73 SSL_load_error_strings(); |
541 | 74 |
75 #if (NGX_SSL_ENGINE) | |
479 | 76 ENGINE_load_builtin_engines(); |
541 | 77 #endif |
393
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78 |
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79 return NGX_OK; |
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80 } |
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81 |
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82 |
489 | 83 ngx_int_t |
543 | 84 ngx_ssl_create_connection(ngx_ssl_ctx_t *ssl_ctx, ngx_connection_t *c, |
489 | 85 ngx_uint_t flags) |
393
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86 { |
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87 ngx_ssl_t *ssl; |
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88 |
501 | 89 ssl = ngx_pcalloc(c->pool, sizeof(ngx_ssl_t)); |
90 if (ssl == NULL) { | |
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91 return NGX_ERROR; |
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92 } |
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93 |
543 | 94 if (flags & NGX_SSL_BUFFER) { |
95 ssl->buffer = 1; | |
96 | |
97 ssl->buf = ngx_create_temp_buf(c->pool, NGX_SSL_BUFSIZE); | |
98 if (ssl->buf == NULL) { | |
99 return NGX_ERROR; | |
100 } | |
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101 } |
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102 |
543 | 103 ssl->connection = SSL_new(ssl_ctx); |
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104 |
543 | 105 if (ssl->connection == NULL) { |
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106 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_new() failed"); |
393
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107 return NGX_ERROR; |
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108 } |
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109 |
543 | 110 if (SSL_set_fd(ssl->connection, c->fd) == 0) { |
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111 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_fd() failed"); |
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112 return NGX_ERROR; |
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113 } |
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114 |
543 | 115 SSL_set_accept_state(ssl->connection); |
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116 |
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117 c->ssl = ssl; |
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118 |
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119 return NGX_OK; |
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120 } |
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121 |
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122 |
489 | 123 ssize_t |
124 ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size) | |
393
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125 { |
489 | 126 int n, bytes; |
127 | |
128 if (c->ssl->last == NGX_ERROR) { | |
129 return NGX_ERROR; | |
130 } | |
131 | |
132 bytes = 0; | |
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133 |
489 | 134 /* |
135 * SSL_read() may return data in parts, so try to read | |
136 * until SSL_read() would return no data | |
137 */ | |
138 | |
139 for ( ;; ) { | |
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140 |
543 | 141 n = SSL_read(c->ssl->connection, buf, size); |
489 | 142 |
143 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_read: %d", n); | |
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144 |
489 | 145 if (n > 0) { |
146 | |
147 bytes += n; | |
479 | 148 |
149 #if (NGX_DEBUG) | |
150 | |
543 | 151 if (!c->ssl->handshaked && SSL_is_init_finished(c->ssl->connection)) |
152 { | |
489 | 153 char buf[129], *s, *d; |
154 SSL_CIPHER *cipher; | |
479 | 155 |
489 | 156 c->ssl->handshaked = 1; |
157 | |
543 | 158 cipher = SSL_get_current_cipher(c->ssl->connection); |
489 | 159 |
160 if (cipher) { | |
161 SSL_CIPHER_description(cipher, &buf[1], 128); | |
479 | 162 |
489 | 163 for (s = &buf[1], d = buf; *s; s++) { |
164 if (*s == ' ' && *d == ' ') { | |
165 continue; | |
166 } | |
479 | 167 |
491 | 168 if (*s == LF || *s == CR) { |
489 | 169 continue; |
170 } | |
479 | 171 |
489 | 172 *++d = *s; |
479 | 173 } |
174 | |
489 | 175 if (*d != ' ') { |
176 d++; | |
479 | 177 } |
178 | |
489 | 179 *d = '\0'; |
479 | 180 |
489 | 181 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
182 "SSL cipher: \"%s\"", &buf[1]); | |
543 | 183 |
184 if (SSL_session_reused(c->ssl->connection)) { | |
185 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
186 "SSL reused session"); | |
187 } | |
188 | |
489 | 189 } else { |
190 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
191 "SSL no shared ciphers"); | |
479 | 192 } |
489 | 193 } |
194 #endif | |
479 | 195 |
489 | 196 } |
197 | |
198 c->ssl->last = ngx_ssl_handle_recv(c, n); | |
199 | |
200 if (c->ssl->last != NGX_OK) { | |
479 | 201 |
489 | 202 if (bytes) { |
203 return bytes; | |
204 | |
479 | 205 } else { |
489 | 206 return c->ssl->last; |
479 | 207 } |
208 } | |
209 | |
489 | 210 size -= n; |
211 | |
212 if (size == 0) { | |
213 return bytes; | |
214 } | |
215 | |
216 buf += n; | |
217 } | |
218 } | |
219 | |
220 | |
221 static ngx_int_t | |
222 ngx_ssl_handle_recv(ngx_connection_t *c, int n) | |
223 { | |
543 | 224 int sslerr; |
225 char *handshake; | |
226 ngx_err_t err; | |
227 ngx_uint_t level; | |
489 | 228 |
229 if (n > 0) { | |
479 | 230 |
473 | 231 if (c->ssl->saved_write_handler) { |
232 | |
509 | 233 c->write->handler = c->ssl->saved_write_handler; |
473 | 234 c->ssl->saved_write_handler = NULL; |
235 c->write->ready = 1; | |
236 | |
237 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
238 return NGX_ERROR; | |
239 } | |
240 | |
241 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) { | |
242 return NGX_ERROR; | |
243 } | |
244 | |
245 ngx_post_event(c->write); | |
246 | |
247 ngx_mutex_unlock(ngx_posted_events_mutex); | |
248 } | |
249 | |
489 | 250 return NGX_OK; |
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251 } |
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252 |
543 | 253 if (!SSL_is_init_finished(c->ssl->connection)) { |
461 | 254 handshake = " in SSL handshake"; |
452 | 255 |
256 } else { | |
257 handshake = ""; | |
258 } | |
259 | |
543 | 260 sslerr = SSL_get_error(c->ssl->connection, n); |
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262 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0; |
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263 |
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264 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr); |
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265 |
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266 if (sslerr == SSL_ERROR_WANT_READ) { |
455 | 267 c->read->ready = 0; |
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268 return NGX_AGAIN; |
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269 } |
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270 |
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271 if (sslerr == SSL_ERROR_WANT_WRITE) { |
539 | 272 |
273 ngx_log_error(NGX_LOG_INFO, c->log, err, | |
274 "client does SSL %shandshake", | |
543 | 275 SSL_is_init_finished(c->ssl->connection) ? "re" : ""); |
473 | 276 |
277 c->write->ready = 0; | |
278 | |
279 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
280 return NGX_ERROR; | |
281 } | |
282 | |
283 /* | |
284 * we do not set the timer because there is already the read event timer | |
285 */ | |
286 | |
287 if (c->ssl->saved_write_handler == NULL) { | |
509 | 288 c->ssl->saved_write_handler = c->write->handler; |
289 c->write->handler = ngx_ssl_write_handler; | |
473 | 290 } |
291 | |
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292 return NGX_AGAIN; |
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293 } |
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294 |
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295 c->ssl->no_rcv_shut = 1; |
473 | 296 c->ssl->no_send_shut = 1; |
396
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297 |
395
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298 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) { |
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299 ngx_log_error(NGX_LOG_INFO, c->log, err, |
393
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300 "client closed connection%s", handshake); |
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301 |
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302 return NGX_ERROR; |
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303 } |
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304 |
543 | 305 level = NGX_LOG_CRIT; |
306 | |
307 if (sslerr == SSL_ERROR_SYSCALL) { | |
308 | |
309 if (err == NGX_ECONNRESET | |
310 || err == NGX_EPIPE | |
311 || err == NGX_ENOTCONN | |
312 || err == NGX_ECONNREFUSED | |
313 || err == NGX_EHOSTUNREACH) | |
314 { | |
315 switch (c->log_error) { | |
316 | |
317 case NGX_ERROR_IGNORE_ECONNRESET: | |
318 case NGX_ERROR_INFO: | |
319 level = NGX_LOG_INFO; | |
320 break; | |
321 | |
322 case NGX_ERROR_ERR: | |
323 level = NGX_LOG_ERR; | |
324 break; | |
325 | |
326 default: | |
327 break; | |
328 } | |
329 } | |
330 } | |
331 | |
332 ngx_ssl_error(level, c->log, err, "SSL_read() failed%s", handshake); | |
393
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parents:
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333 |
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334 return NGX_ERROR; |
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parents:
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335 } |
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parents:
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|
336 |
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337 |
489 | 338 static void |
339 ngx_ssl_write_handler(ngx_event_t *wev) | |
473 | 340 { |
341 ngx_connection_t *c; | |
342 | |
343 c = wev->data; | |
509 | 344 c->read->handler(c->read); |
473 | 345 } |
346 | |
347 | |
398
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348 /* |
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349 * OpenSSL has no SSL_writev() so we copy several bufs into our 16K buffer |
473 | 350 * before the SSL_write() call to decrease a SSL overhead. |
398
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|
351 * |
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352 * Besides for protocols such as HTTP it is possible to always buffer |
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353 * the output to decrease a SSL overhead some more. |
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354 */ |
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355 |
489 | 356 ngx_chain_t * |
357 ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) | |
394
e7a68e14ccd3
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parents:
393
diff
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|
358 { |
397
de797f3b4c27
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parents:
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|
359 int n; |
399
4e21d1291a14
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Igor Sysoev <igor@sysoev.ru>
parents:
398
diff
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|
360 ngx_uint_t flush; |
397
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parents:
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|
361 ssize_t send, size; |
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parents:
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diff
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|
362 ngx_buf_t *buf; |
394
e7a68e14ccd3
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Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
363 |
395
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parents:
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diff
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|
364 buf = c->ssl->buf; |
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parents:
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diff
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|
365 |
399
4e21d1291a14
nginx-0.0.7-2004-07-25-22:34:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
398
diff
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|
366 if (in && in->next == NULL && !c->buffered && !c->ssl->buffer) { |
395
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
367 |
397
de797f3b4c27
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parents:
396
diff
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|
368 /* |
398
201b5f68b59f
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parents:
397
diff
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|
369 * we avoid a buffer copy if the incoming buf is a single, |
201b5f68b59f
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parents:
397
diff
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370 * our buffer is empty, and we do not need to buffer the output |
397
de797f3b4c27
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Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
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|
371 */ |
395
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Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
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|
372 |
397
de797f3b4c27
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Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
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|
373 n = ngx_ssl_write(c, in->buf->pos, in->buf->last - in->buf->pos); |
de797f3b4c27
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Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
374 |
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
375 if (n == NGX_ERROR) { |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
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|
376 return NGX_CHAIN_ERROR; |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
377 } |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
378 |
513 | 379 if (n == NGX_AGAIN) { |
380 c->buffered = 1; | |
381 return in; | |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
382 } |
395
f8f0f1834266
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Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
383 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
384 in->buf->pos += n; |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
385 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
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|
386 return in; |
de797f3b4c27
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Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
387 } |
395
f8f0f1834266
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Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
388 |
473 | 389 |
390 /* the maximum limit size is the maximum uint32_t value - the page size */ | |
391 | |
392 if (limit == 0 || limit > NGX_MAX_UINT32_VALUE - ngx_pagesize) { | |
393 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize; | |
394 } | |
395 | |
396 | |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
397 send = 0; |
de797f3b4c27
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Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
398 flush = (in == NULL) ? 1 : 0; |
395
f8f0f1834266
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Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
399 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
400 for ( ;; ) { |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
401 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
402 while (in && buf->last < buf->end) { |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
403 if (in->buf->last_buf) { |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
404 flush = 1; |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
405 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
406 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
407 if (ngx_buf_special(in->buf)) { |
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
408 in = in->next; |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
409 continue; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
410 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
411 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
412 size = in->buf->last - in->buf->pos; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
413 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
414 if (size > buf->end - buf->last) { |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
415 size = buf->end - buf->last; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
416 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
417 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
418 /* |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
419 * TODO: the taking in->buf->flush into account can be |
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
420 * implemented using the limit on the higher level |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
421 */ |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
422 |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
423 if (send + size > limit) { |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
424 size = limit - send; |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
425 flush = 1; |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
426 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
427 |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
428 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
429 "SSL buf copy: %d", size); |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
430 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
431 ngx_memcpy(buf->last, in->buf->pos, size); |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
432 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
433 buf->last += size; |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
434 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
435 in->buf->pos += size; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
436 if (in->buf->pos == in->buf->last) { |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
437 in = in->next; |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
438 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
439 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
440 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
441 size = buf->last - buf->pos; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
442 |
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
443 if (!flush && buf->last < buf->end && c->ssl->buffer) { |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
444 break; |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
445 } |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
446 |
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
447 n = ngx_ssl_write(c, buf->pos, size); |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
448 |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
449 if (n == NGX_ERROR) { |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
450 return NGX_CHAIN_ERROR; |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
451 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
452 |
511 | 453 if (n == NGX_AGAIN) { |
454 c->buffered = 1; | |
455 return in; | |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
456 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
457 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
458 buf->pos += n; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
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parents:
396
diff
changeset
|
459 send += n; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
460 c->sent += n; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
461 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
462 if (n < size) { |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
463 break; |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
464 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
465 |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
466 if (buf->pos == buf->last) { |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
467 buf->pos = buf->start; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
468 buf->last = buf->start; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
469 } |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
470 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
471 if (in == NULL || send == limit) { |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
472 break; |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
473 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
474 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
475 |
399
4e21d1291a14
nginx-0.0.7-2004-07-25-22:34:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
398
diff
changeset
|
476 c->buffered = (buf->pos < buf->last) ? 1 : 0; |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
477 |
399
4e21d1291a14
nginx-0.0.7-2004-07-25-22:34:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
398
diff
changeset
|
478 return in; |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
479 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
480 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
481 |
539 | 482 ssize_t |
489 | 483 ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size) |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
484 { |
543 | 485 int n, sslerr; |
486 ngx_err_t err; | |
487 ngx_uint_t level; | |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
488 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
489 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL to write: %d", size); |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
490 |
543 | 491 n = SSL_write(c->ssl->connection, data, size); |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
492 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
493 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_write: %d", n); |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
494 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
495 if (n > 0) { |
539 | 496 |
497 #if (NGX_DEBUG) | |
498 | |
543 | 499 if (!c->ssl->handshaked && SSL_is_init_finished(c->ssl->connection)) { |
539 | 500 char buf[129], *s, *d; |
501 SSL_CIPHER *cipher; | |
502 | |
503 c->ssl->handshaked = 1; | |
504 | |
543 | 505 cipher = SSL_get_current_cipher(c->ssl->connection); |
539 | 506 |
507 if (cipher) { | |
508 SSL_CIPHER_description(cipher, &buf[1], 128); | |
509 | |
510 for (s = &buf[1], d = buf; *s; s++) { | |
511 if (*s == ' ' && *d == ' ') { | |
512 continue; | |
513 } | |
514 | |
515 if (*s == LF || *s == CR) { | |
516 continue; | |
517 } | |
518 | |
519 *++d = *s; | |
520 } | |
521 | |
522 if (*d != ' ') { | |
523 d++; | |
524 } | |
525 | |
526 *d = '\0'; | |
527 | |
528 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
529 "SSL cipher: \"%s\"", &buf[1]); | |
543 | 530 |
531 if (SSL_session_reused(c->ssl->connection)) { | |
532 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
533 "SSL reused session"); | |
534 } | |
535 | |
539 | 536 } else { |
537 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
538 "SSL no shared ciphers"); | |
539 } | |
540 } | |
541 #endif | |
542 | |
473 | 543 if (c->ssl->saved_read_handler) { |
544 | |
509 | 545 c->read->handler = c->ssl->saved_read_handler; |
473 | 546 c->ssl->saved_read_handler = NULL; |
547 c->read->ready = 1; | |
548 | |
549 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
550 return NGX_ERROR; | |
551 } | |
552 | |
553 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) { | |
554 return NGX_ERROR; | |
555 } | |
556 | |
557 ngx_post_event(c->read); | |
558 | |
559 ngx_mutex_unlock(ngx_posted_events_mutex); | |
560 } | |
561 | |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
562 return n; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
563 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
564 |
543 | 565 sslerr = SSL_get_error(c->ssl->connection, n); |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
566 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
567 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
568 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
569 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr); |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
570 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
571 if (sslerr == SSL_ERROR_WANT_WRITE) { |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
572 c->write->ready = 0; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
573 return NGX_AGAIN; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
574 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
575 |
445
f26432a1935a
nginx-0.1.0-2004-09-30-10:38:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
576 if (sslerr == SSL_ERROR_WANT_READ) { |
452 | 577 |
539 | 578 ngx_log_error(NGX_LOG_INFO, c->log, err, |
579 "client does SSL %shandshake", | |
543 | 580 SSL_is_init_finished(c->ssl->connection) ? "re" : ""); |
473 | 581 |
582 c->read->ready = 0; | |
583 | |
584 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
585 return NGX_ERROR; | |
586 } | |
587 | |
588 /* | |
589 * we do not set the timer because there is already | |
590 * the write event timer | |
591 */ | |
592 | |
593 if (c->ssl->saved_read_handler == NULL) { | |
509 | 594 c->ssl->saved_read_handler = c->read->handler; |
595 c->read->handler = ngx_ssl_read_handler; | |
473 | 596 } |
597 | |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
598 return NGX_AGAIN; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
599 } |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
600 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
601 c->ssl->no_rcv_shut = 1; |
473 | 602 c->ssl->no_send_shut = 1; |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
603 |
543 | 604 level = NGX_LOG_CRIT; |
605 | |
606 if (sslerr == SSL_ERROR_SYSCALL) { | |
607 | |
608 if (err == NGX_ECONNRESET | |
609 || err == NGX_EPIPE | |
610 || err == NGX_ENOTCONN | |
611 || err == NGX_ECONNREFUSED | |
612 || err == NGX_EHOSTUNREACH) | |
613 { | |
614 switch (c->log_error) { | |
615 | |
616 case NGX_ERROR_IGNORE_ECONNRESET: | |
617 case NGX_ERROR_INFO: | |
618 level = NGX_LOG_INFO; | |
619 break; | |
620 | |
621 case NGX_ERROR_ERR: | |
622 level = NGX_LOG_ERR; | |
623 break; | |
624 | |
625 default: | |
626 break; | |
627 } | |
628 } | |
629 } | |
630 | |
631 ngx_ssl_error(level, c->log, err, "SSL_write() failed"); | |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
632 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
633 return NGX_ERROR; |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
634 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
635 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
636 |
489 | 637 static void |
638 ngx_ssl_read_handler(ngx_event_t *rev) | |
473 | 639 { |
640 ngx_connection_t *c; | |
641 | |
642 c = rev->data; | |
509 | 643 c->write->handler(c->write); |
473 | 644 } |
645 | |
646 | |
489 | 647 ngx_int_t |
648 ngx_ssl_shutdown(ngx_connection_t *c) | |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
649 { |
473 | 650 int n, sslerr, mode; |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
651 ngx_uint_t again; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
652 |
473 | 653 if (!c->ssl->shutdown_set) { |
654 | |
655 /* it seems that SSL_set_shutdown() could be called once only */ | |
656 | |
657 if (c->read->timedout) { | |
658 mode = SSL_RECEIVED_SHUTDOWN|SSL_SENT_SHUTDOWN; | |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
659 |
473 | 660 } else { |
661 mode = 0; | |
662 | |
663 if (c->ssl->no_rcv_shut) { | |
664 mode = SSL_RECEIVED_SHUTDOWN; | |
665 } | |
666 | |
667 if (c->ssl->no_send_shut) { | |
668 mode |= SSL_SENT_SHUTDOWN; | |
669 } | |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
670 } |
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
671 |
473 | 672 if (mode) { |
543 | 673 SSL_set_shutdown(c->ssl->connection, mode); |
473 | 674 c->ssl->shutdown_set = 1; |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
675 } |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
676 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
677 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
678 again = 0; |
461 | 679 #if (NGX_SUPPRESS_WARN) |
680 sslerr = 0; | |
681 #endif | |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
682 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
683 for ( ;; ) { |
543 | 684 n = SSL_shutdown(c->ssl->connection); |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
685 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
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686 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_shutdown: %d", n); |
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687 |
473 | 688 if (n == 1 || (n == 0 && c->read->timedout)) { |
543 | 689 SSL_free(c->ssl->connection); |
473 | 690 c->ssl = NULL; |
543 | 691 |
473 | 692 return NGX_OK; |
693 } | |
694 | |
394
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695 if (n == 0) { |
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696 again = 1; |
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697 break; |
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698 } |
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699 |
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700 break; |
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701 } |
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702 |
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703 if (!again) { |
543 | 704 sslerr = SSL_get_error(c->ssl->connection, n); |
394
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705 |
396
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706 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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707 "SSL_get_error: %d", sslerr); |
394
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708 } |
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709 |
396
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710 if (again || sslerr == SSL_ERROR_WANT_READ) { |
394
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711 |
473 | 712 ngx_add_timer(c->read, 30000); |
394
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713 |
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714 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { |
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715 return NGX_ERROR; |
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716 } |
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717 |
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718 return NGX_AGAIN; |
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719 } |
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720 |
396
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721 if (sslerr == SSL_ERROR_WANT_WRITE) { |
394
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722 |
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723 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
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724 return NGX_ERROR; |
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725 } |
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726 |
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727 return NGX_AGAIN; |
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728 } |
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729 |
395
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730 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_shutdown() failed"); |
394
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731 |
543 | 732 SSL_free(c->ssl->connection); |
733 c->ssl = NULL; | |
734 | |
394
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735 return NGX_ERROR; |
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736 } |
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737 |
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738 |
489 | 739 void |
740 ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, char *fmt, ...) | |
393
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741 { |
461 | 742 u_char errstr[NGX_MAX_CONF_ERRSTR], *p, *last; |
743 va_list args; | |
744 | |
745 last = errstr + NGX_MAX_CONF_ERRSTR; | |
393
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746 |
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747 va_start(args, fmt); |
461 | 748 p = ngx_vsnprintf(errstr, sizeof(errstr) - 1, fmt, args); |
393
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749 va_end(args); |
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|
750 |
501 | 751 p = ngx_cpystrn(p, (u_char *) " (SSL: ", last - p); |
393
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|
752 |
461 | 753 ERR_error_string_n(ERR_get_error(), (char *) p, last - p); |
393
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|
754 |
395
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|
755 ngx_log_error(level, log, err, "%s)", errstr); |
393
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756 } |
509 | 757 |
758 | |
759 void | |
760 ngx_ssl_cleanup_ctx(void *data) | |
761 { | |
762 SSL_CTX *ctx = data; | |
763 | |
764 SSL_CTX_free(ctx); | |
765 } | |
541 | 766 |
767 | |
768 static void * | |
769 ngx_openssl_create_conf(ngx_cycle_t *cycle) | |
770 { | |
771 ngx_openssl_conf_t *oscf; | |
772 | |
773 oscf = ngx_pcalloc(cycle->pool, sizeof(ngx_openssl_conf_t)); | |
774 if (oscf == NULL) { | |
775 return NGX_CONF_ERROR; | |
776 } | |
777 | |
778 /* | |
779 * set by ngx_pcalloc(): | |
780 * | |
781 * oscf->engine.len = 0; | |
782 * oscf->engine.data = NULL; | |
783 */ | |
784 | |
785 return oscf; | |
786 } | |
787 | |
788 | |
789 static char * | |
790 ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf) | |
791 { | |
792 #if (NGX_SSL_ENGINE) | |
793 ngx_openssl_conf_t *oscf = conf; | |
794 | |
795 ENGINE *engine; | |
796 | |
797 if (oscf->engine.len == 0) { | |
798 return NGX_CONF_OK; | |
799 } | |
800 | |
801 engine = ENGINE_by_id((const char *) oscf->engine.data); | |
802 | |
803 if (engine == NULL) { | |
804 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0, | |
805 "ENGINE_by_id(\"%V\") failed", &oscf->engine); | |
806 return NGX_CONF_ERROR; | |
807 } | |
808 | |
809 if (ENGINE_set_default(engine, ENGINE_METHOD_ALL) == 0) { | |
810 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0, | |
811 "ENGINE_set_default(\"%V\", ENGINE_METHOD_ALL) failed", | |
812 &oscf->engine); | |
813 return NGX_CONF_ERROR; | |
814 } | |
815 | |
816 ENGINE_free(engine); | |
817 | |
818 #endif | |
819 | |
820 return NGX_CONF_OK; | |
821 } | |
822 | |
823 | |
824 #if !(NGX_SSL_ENGINE) | |
825 | |
826 static char * | |
827 ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
828 { | |
829 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
830 "\"ssl_engine\" is not supported: " NGX_SSL_NAME | |
831 " library does not support crypto accelerators"); | |
832 | |
833 return NGX_CONF_ERROR; | |
834 } | |
835 | |
836 #endif |