|
0
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9 #include <ngx_http.h>
|
|
|
10
|
|
|
11
|
|
|
12 #define NGX_HTTP_USERID_OFF 0
|
|
|
13 #define NGX_HTTP_USERID_LOG 1
|
|
|
14 #define NGX_HTTP_USERID_V1 2
|
|
|
15 #define NGX_HTTP_USERID_ON 3
|
|
|
16
|
|
|
17 /* 31 Dec 2037 23:55:55 GMT */
|
|
|
18 #define NGX_HTTP_USERID_MAX_EXPIRES 2145916555
|
|
|
19
|
|
|
20
|
|
|
21 typedef struct {
|
|
58
|
22 ngx_uint_t enable;
|
|
0
|
23
|
|
|
24 ngx_int_t service;
|
|
|
25
|
|
|
26 ngx_str_t name;
|
|
|
27 ngx_str_t domain;
|
|
|
28 ngx_str_t path;
|
|
88
|
29 ngx_str_t p3p;
|
|
|
30
|
|
0
|
31 time_t expires;
|
|
88
|
32
|
|
|
33 u_char mark;
|
|
0
|
34 } ngx_http_userid_conf_t;
|
|
|
35
|
|
|
36
|
|
|
37 typedef struct {
|
|
10
|
38 uint32_t uid_got[4];
|
|
|
39 uint32_t uid_set[4];
|
|
88
|
40 ngx_str_t cookie;
|
|
0
|
41 } ngx_http_userid_ctx_t;
|
|
|
42
|
|
|
43
|
|
376
|
44 static ngx_http_userid_ctx_t *ngx_http_userid_get_uid(ngx_http_request_t *r,
|
|
|
45 ngx_http_userid_conf_t *conf);
|
|
|
46 static ngx_int_t ngx_http_userid_variable(ngx_http_request_t *r,
|
|
|
47 ngx_http_variable_value_t *v, ngx_str_t *name, uint32_t *uid);
|
|
0
|
48 static ngx_int_t ngx_http_userid_set_uid(ngx_http_request_t *r,
|
|
48
|
49 ngx_http_userid_ctx_t *ctx, ngx_http_userid_conf_t *conf);
|
|
0
|
50
|
|
122
|
51 static ngx_int_t ngx_http_userid_add_variables(ngx_conf_t *cf);
|
|
230
|
52 static ngx_int_t ngx_http_userid_init(ngx_conf_t *cf);
|
|
0
|
53 static void *ngx_http_userid_create_conf(ngx_conf_t *cf);
|
|
|
54 static char *ngx_http_userid_merge_conf(ngx_conf_t *cf, void *parent,
|
|
48
|
55 void *child);
|
|
|
56 static char *ngx_http_userid_domain(ngx_conf_t *cf, void *post, void *data);
|
|
|
57 static char *ngx_http_userid_path(ngx_conf_t *cf, void *post, void *data);
|
|
|
58 static char *ngx_http_userid_expires(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
59 void *conf);
|
|
|
60 static char *ngx_http_userid_p3p(ngx_conf_t *cf, void *post, void *data);
|
|
88
|
61 static char *ngx_http_userid_mark(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
62 void *conf);
|
|
348
|
63 static ngx_int_t ngx_http_userid_init_worker(ngx_cycle_t *cycle);
|
|
88
|
64
|
|
0
|
65
|
|
|
66
|
|
348
|
67 static uint32_t start_value;
|
|
0
|
68 static uint32_t sequencer_v1 = 1;
|
|
|
69 static uint32_t sequencer_v2 = 0x03030302;
|
|
|
70
|
|
|
71
|
|
|
72 static u_char expires[] = "; expires=Thu, 31-Dec-37 23:55:55 GMT";
|
|
|
73
|
|
|
74
|
|
|
75 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
|
|
|
76
|
|
|
77
|
|
|
78 static ngx_conf_enum_t ngx_http_userid_state[] = {
|
|
|
79 { ngx_string("off"), NGX_HTTP_USERID_OFF },
|
|
|
80 { ngx_string("log"), NGX_HTTP_USERID_LOG },
|
|
|
81 { ngx_string("v1"), NGX_HTTP_USERID_V1 },
|
|
|
82 { ngx_string("on"), NGX_HTTP_USERID_ON },
|
|
|
83 { ngx_null_string, 0 }
|
|
|
84 };
|
|
|
85
|
|
|
86
|
|
10
|
87 static ngx_conf_post_handler_pt ngx_http_userid_domain_p =
|
|
58
|
88 ngx_http_userid_domain;
|
|
10
|
89 static ngx_conf_post_handler_pt ngx_http_userid_path_p = ngx_http_userid_path;
|
|
|
90 static ngx_conf_post_handler_pt ngx_http_userid_p3p_p = ngx_http_userid_p3p;
|
|
0
|
91
|
|
|
92
|
|
|
93 static ngx_command_t ngx_http_userid_commands[] = {
|
|
|
94
|
|
|
95 { ngx_string("userid"),
|
|
|
96 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
97 ngx_conf_set_enum_slot,
|
|
|
98 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
99 offsetof(ngx_http_userid_conf_t, enable),
|
|
|
100 ngx_http_userid_state },
|
|
|
101
|
|
|
102 { ngx_string("userid_service"),
|
|
88
|
103 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
0
|
104 ngx_conf_set_num_slot,
|
|
|
105 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
106 offsetof(ngx_http_userid_conf_t, service),
|
|
|
107 NULL },
|
|
|
108
|
|
|
109 { ngx_string("userid_name"),
|
|
88
|
110 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
0
|
111 ngx_conf_set_str_slot,
|
|
|
112 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
113 offsetof(ngx_http_userid_conf_t, name),
|
|
|
114 NULL },
|
|
|
115
|
|
|
116 { ngx_string("userid_domain"),
|
|
88
|
117 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
0
|
118 ngx_conf_set_str_slot,
|
|
|
119 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
120 offsetof(ngx_http_userid_conf_t, domain),
|
|
10
|
121 &ngx_http_userid_domain_p },
|
|
0
|
122
|
|
|
123 { ngx_string("userid_path"),
|
|
88
|
124 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
0
|
125 ngx_conf_set_str_slot,
|
|
|
126 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
127 offsetof(ngx_http_userid_conf_t, path),
|
|
10
|
128 &ngx_http_userid_path_p },
|
|
0
|
129
|
|
|
130 { ngx_string("userid_expires"),
|
|
|
131 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
132 ngx_http_userid_expires,
|
|
|
133 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
134 0,
|
|
|
135 NULL },
|
|
|
136
|
|
10
|
137 { ngx_string("userid_p3p"),
|
|
|
138 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
139 ngx_conf_set_str_slot,
|
|
|
140 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
141 offsetof(ngx_http_userid_conf_t, p3p),
|
|
|
142 &ngx_http_userid_p3p_p },
|
|
|
143
|
|
88
|
144 { ngx_string("userid_mark"),
|
|
|
145 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
146 ngx_http_userid_mark,
|
|
|
147 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
148 0,
|
|
|
149 NULL },
|
|
|
150
|
|
48
|
151 ngx_null_command
|
|
0
|
152 };
|
|
|
153
|
|
|
154
|
|
216
|
155 static ngx_http_module_t ngx_http_userid_filter_module_ctx = {
|
|
122
|
156 ngx_http_userid_add_variables, /* preconfiguration */
|
|
230
|
157 ngx_http_userid_init, /* postconfiguration */
|
|
0
|
158
|
|
|
159 NULL, /* create main configuration */
|
|
|
160 NULL, /* init main configuration */
|
|
|
161
|
|
|
162 NULL, /* create server configuration */
|
|
|
163 NULL, /* merge server configuration */
|
|
|
164
|
|
|
165 ngx_http_userid_create_conf, /* create location configration */
|
|
|
166 ngx_http_userid_merge_conf /* merge location configration */
|
|
|
167 };
|
|
|
168
|
|
|
169
|
|
|
170 ngx_module_t ngx_http_userid_filter_module = {
|
|
58
|
171 NGX_MODULE_V1,
|
|
0
|
172 &ngx_http_userid_filter_module_ctx, /* module context */
|
|
|
173 ngx_http_userid_commands, /* module directives */
|
|
|
174 NGX_HTTP_MODULE, /* module type */
|
|
90
|
175 NULL, /* init master */
|
|
230
|
176 NULL, /* init module */
|
|
348
|
177 ngx_http_userid_init_worker, /* init process */
|
|
90
|
178 NULL, /* init thread */
|
|
|
179 NULL, /* exit thread */
|
|
|
180 NULL, /* exit process */
|
|
|
181 NULL, /* exit master */
|
|
|
182 NGX_MODULE_V1_PADDING
|
|
0
|
183 };
|
|
|
184
|
|
|
185
|
|
122
|
186 static ngx_str_t ngx_http_userid_got = ngx_string("uid_got");
|
|
|
187 static ngx_str_t ngx_http_userid_set = ngx_string("uid_set");
|
|
|
188
|
|
|
189
|
|
48
|
190 static ngx_int_t
|
|
|
191 ngx_http_userid_filter(ngx_http_request_t *r)
|
|
0
|
192 {
|
|
|
193 ngx_http_userid_ctx_t *ctx;
|
|
|
194 ngx_http_userid_conf_t *conf;
|
|
|
195
|
|
146
|
196 if (r != r->main) {
|
|
58
|
197 return ngx_http_next_header_filter(r);
|
|
|
198 }
|
|
|
199
|
|
0
|
200 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
|
201
|
|
376
|
202 if (conf->enable <= NGX_HTTP_USERID_LOG) {
|
|
0
|
203 return ngx_http_next_header_filter(r);
|
|
|
204 }
|
|
|
205
|
|
376
|
206 ctx = ngx_http_userid_get_uid(r, conf);
|
|
48
|
207
|
|
|
208 if (ctx == NULL) {
|
|
|
209 return NGX_ERROR;
|
|
|
210 }
|
|
|
211
|
|
376
|
212 if (ctx->uid_got[3] != 0) {
|
|
0
|
213
|
|
88
|
214 if (conf->mark == '\0') {
|
|
|
215 return ngx_http_next_header_filter(r);
|
|
|
216
|
|
|
217 } else {
|
|
|
218 if (ctx->cookie.len > 23
|
|
|
219 && ctx->cookie.data[22] == conf->mark
|
|
|
220 && ctx->cookie.data[23] == '=')
|
|
|
221 {
|
|
|
222 return ngx_http_next_header_filter(r);
|
|
|
223 }
|
|
|
224 }
|
|
0
|
225 }
|
|
|
226
|
|
376
|
227 /* ctx->status == NGX_DECLINED */
|
|
0
|
228
|
|
376
|
229 if (ngx_http_userid_set_uid(r, ctx, conf) == NGX_OK) {
|
|
|
230 return ngx_http_next_header_filter(r);
|
|
0
|
231 }
|
|
|
232
|
|
376
|
233 return NGX_ERROR;
|
|
|
234 }
|
|
|
235
|
|
|
236
|
|
|
237 static ngx_int_t
|
|
|
238 ngx_http_userid_got_variable(ngx_http_request_t *r,
|
|
|
239 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
240 {
|
|
|
241 ngx_http_userid_ctx_t *ctx;
|
|
|
242 ngx_http_userid_conf_t *conf;
|
|
|
243
|
|
|
244 conf = ngx_http_get_module_loc_conf(r->main, ngx_http_userid_filter_module);
|
|
|
245
|
|
|
246 if (conf->enable == NGX_HTTP_USERID_OFF) {
|
|
|
247 v->not_found = 1;
|
|
|
248 return NGX_OK;
|
|
|
249 }
|
|
|
250
|
|
|
251 ctx = ngx_http_userid_get_uid(r, conf);
|
|
|
252
|
|
|
253 if (ctx == NULL) {
|
|
|
254 return NGX_ERROR;
|
|
|
255 }
|
|
|
256
|
|
|
257 if (ctx->uid_got[3] != 0) {
|
|
|
258 return ngx_http_userid_variable(r, v, &conf->name, ctx->uid_got);
|
|
|
259 }
|
|
|
260
|
|
|
261 /* ctx->status == NGX_DECLINED */
|
|
|
262
|
|
|
263 v->not_found = 1;
|
|
|
264
|
|
|
265 return NGX_OK;
|
|
0
|
266 }
|
|
|
267
|
|
|
268
|
|
376
|
269 static ngx_int_t
|
|
|
270 ngx_http_userid_set_variable(ngx_http_request_t *r,
|
|
|
271 ngx_http_variable_value_t *v, uintptr_t data)
|
|
0
|
272 {
|
|
376
|
273 ngx_http_userid_ctx_t *ctx;
|
|
|
274 ngx_http_userid_conf_t *conf;
|
|
|
275
|
|
|
276 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
|
277
|
|
|
278 if (ctx == NULL || ctx->uid_set[3] == 0) {
|
|
|
279 v->not_found = 1;
|
|
|
280 return NGX_OK;
|
|
|
281 }
|
|
|
282
|
|
|
283 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
|
284
|
|
|
285 return ngx_http_userid_variable(r, v, &conf->name, ctx->uid_set);
|
|
|
286 }
|
|
|
287
|
|
|
288
|
|
|
289 static ngx_http_userid_ctx_t *
|
|
|
290 ngx_http_userid_get_uid(ngx_http_request_t *r, ngx_http_userid_conf_t *conf)
|
|
|
291 {
|
|
|
292 ngx_int_t n;
|
|
|
293 ngx_str_t src, dst;
|
|
|
294 ngx_table_elt_t **cookies;
|
|
|
295 ngx_http_userid_ctx_t *ctx;
|
|
|
296
|
|
|
297 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
|
298
|
|
|
299 if (ctx) {
|
|
|
300 return ctx;
|
|
|
301 }
|
|
|
302
|
|
|
303 if (ctx == NULL) {
|
|
|
304 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_userid_ctx_t));
|
|
|
305 if (ctx == NULL) {
|
|
|
306 return NULL;
|
|
|
307 }
|
|
|
308
|
|
|
309 ngx_http_set_ctx(r, ctx, ngx_http_userid_filter_module);
|
|
|
310 }
|
|
0
|
311
|
|
58
|
312 n = ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &conf->name,
|
|
88
|
313 &ctx->cookie);
|
|
58
|
314 if (n == NGX_DECLINED) {
|
|
376
|
315 return ctx;
|
|
58
|
316 }
|
|
10
|
317
|
|
88
|
318 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
319 "uid cookie: \"%V\"", &ctx->cookie);
|
|
|
320
|
|
|
321 if (ctx->cookie.len < 22) {
|
|
58
|
322 cookies = r->headers_in.cookies.elts;
|
|
|
323 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
324 "client sent too short userid cookie \"%V\"",
|
|
|
325 &cookies[n]->value);
|
|
376
|
326 return ctx;
|
|
58
|
327 }
|
|
0
|
328
|
|
88
|
329 src = ctx->cookie;
|
|
|
330
|
|
58
|
331 /*
|
|
88
|
332 * we have to limit the encoded string to 22 characters because
|
|
|
333 * 1) cookie may be marked by "userid_mark",
|
|
|
334 * 2) and there are already the millions cookies with a garbage
|
|
|
335 * instead of the correct base64 trail "=="
|
|
58
|
336 */
|
|
0
|
337
|
|
58
|
338 src.len = 22;
|
|
0
|
339
|
|
58
|
340 dst.data = (u_char *) ctx->uid_got;
|
|
0
|
341
|
|
58
|
342 if (ngx_decode_base64(&dst, &src) == NGX_ERROR) {
|
|
|
343 cookies = r->headers_in.cookies.elts;
|
|
|
344 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
345 "client sent invalid userid cookie \"%V\"",
|
|
|
346 &cookies[n]->value);
|
|
376
|
347 return ctx;
|
|
58
|
348 }
|
|
0
|
349
|
|
58
|
350 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
351 "uid: %08XD%08XD%08XD%08XD",
|
|
|
352 ctx->uid_got[0], ctx->uid_got[1],
|
|
|
353 ctx->uid_got[2], ctx->uid_got[3]);
|
|
376
|
354
|
|
|
355 return ctx;
|
|
0
|
356 }
|
|
|
357
|
|
|
358
|
|
48
|
359 static ngx_int_t
|
|
|
360 ngx_http_userid_set_uid(ngx_http_request_t *r, ngx_http_userid_ctx_t *ctx,
|
|
|
361 ngx_http_userid_conf_t *conf)
|
|
0
|
362 {
|
|
362
|
363 u_char *cookie, *p;
|
|
|
364 size_t len;
|
|
|
365 ngx_str_t src, dst;
|
|
|
366 ngx_table_elt_t *set_cookie, *p3p;
|
|
88
|
367 /*
|
|
|
368 * TODO: in the threaded mode the sequencers should be in TLS and their
|
|
|
369 * ranges should be divided between threads
|
|
|
370 */
|
|
|
371
|
|
|
372 if (ctx->uid_got[3] == 0) {
|
|
0
|
373
|
|
88
|
374 if (conf->enable == NGX_HTTP_USERID_V1) {
|
|
|
375 if (conf->service == NGX_CONF_UNSET) {
|
|
|
376 ctx->uid_set[0] = 0;
|
|
|
377 } else {
|
|
|
378 ctx->uid_set[0] = conf->service;
|
|
|
379 }
|
|
346
|
380 ctx->uid_set[1] = (uint32_t) ngx_time();
|
|
348
|
381 ctx->uid_set[2] = start_value;
|
|
88
|
382 ctx->uid_set[3] = sequencer_v1;
|
|
|
383 sequencer_v1 += 0x100;
|
|
|
384
|
|
0
|
385 } else {
|
|
88
|
386 if (conf->service == NGX_CONF_UNSET) {
|
|
362
|
387 if (ngx_http_server_addr(r, NULL) != NGX_OK) {
|
|
|
388 return NGX_ERROR;
|
|
88
|
389 }
|
|
0
|
390
|
|
88
|
391 ctx->uid_set[0] = htonl(r->in_addr);
|
|
|
392
|
|
|
393 } else {
|
|
|
394 ctx->uid_set[0] = htonl(conf->service);
|
|
|
395 }
|
|
|
396
|
|
346
|
397 ctx->uid_set[1] = htonl((uint32_t) ngx_time());
|
|
348
|
398 ctx->uid_set[2] = htonl(start_value);
|
|
88
|
399 ctx->uid_set[3] = htonl(sequencer_v2);
|
|
|
400 sequencer_v2 += 0x100;
|
|
|
401 if (sequencer_v2 < 0x03030302) {
|
|
|
402 sequencer_v2 = 0x03030302;
|
|
|
403 }
|
|
|
404 }
|
|
0
|
405
|
|
|
406 } else {
|
|
88
|
407 ctx->uid_set[0] = ctx->uid_got[0];
|
|
|
408 ctx->uid_set[1] = ctx->uid_got[1];
|
|
|
409 ctx->uid_set[2] = ctx->uid_got[2];
|
|
|
410 ctx->uid_set[3] = ctx->uid_got[3];
|
|
0
|
411 }
|
|
|
412
|
|
10
|
413 len = conf->name.len + 1 + ngx_base64_encoded_length(16) + conf->path.len;
|
|
0
|
414
|
|
|
415 if (conf->expires) {
|
|
|
416 len += sizeof(expires) - 1 + 2;
|
|
|
417 }
|
|
|
418
|
|
28
|
419 if (conf->domain.len) {
|
|
10
|
420 len += conf->domain.len;
|
|
0
|
421 }
|
|
|
422
|
|
48
|
423 cookie = ngx_palloc(r->pool, len);
|
|
|
424 if (cookie == NULL) {
|
|
0
|
425 return NGX_ERROR;
|
|
|
426 }
|
|
|
427
|
|
122
|
428 p = ngx_copy(cookie, conf->name.data, conf->name.len);
|
|
0
|
429 *p++ = '=';
|
|
|
430
|
|
88
|
431 if (ctx->uid_got[3] == 0) {
|
|
|
432 src.len = 16;
|
|
|
433 src.data = (u_char *) ctx->uid_set;
|
|
|
434 dst.data = p;
|
|
|
435
|
|
|
436 ngx_encode_base64(&dst, &src);
|
|
|
437
|
|
|
438 p += dst.len;
|
|
0
|
439
|
|
88
|
440 if (conf->mark) {
|
|
|
441 *(p - 2) = conf->mark;
|
|
|
442 }
|
|
0
|
443
|
|
88
|
444 } else {
|
|
|
445 p = ngx_cpymem(p, ctx->cookie.data, 22);
|
|
|
446 *p++ = conf->mark;
|
|
|
447 *p++ = '=';
|
|
|
448 }
|
|
0
|
449
|
|
|
450 if (conf->expires == NGX_HTTP_USERID_MAX_EXPIRES) {
|
|
|
451 p = ngx_cpymem(p, expires, sizeof(expires) - 1);
|
|
|
452
|
|
|
453 } else if (conf->expires) {
|
|
|
454 p = ngx_cpymem(p, expires, sizeof("; expires=") - 1);
|
|
4
|
455 p = ngx_http_cookie_time(p, ngx_time() + conf->expires);
|
|
0
|
456 }
|
|
|
457
|
|
122
|
458 p = ngx_copy(p, conf->domain.data, conf->domain.len);
|
|
0
|
459
|
|
122
|
460 p = ngx_copy(p, conf->path.data, conf->path.len);
|
|
0
|
461
|
|
48
|
462 set_cookie = ngx_list_push(&r->headers_out.headers);
|
|
|
463 if (set_cookie == NULL) {
|
|
0
|
464 return NGX_ERROR;
|
|
|
465 }
|
|
|
466
|
|
58
|
467 set_cookie->hash = 1;
|
|
0
|
468 set_cookie->key.len = sizeof("Set-Cookie") - 1;
|
|
|
469 set_cookie->key.data = (u_char *) "Set-Cookie";
|
|
|
470 set_cookie->value.len = p - cookie;
|
|
|
471 set_cookie->value.data = cookie;
|
|
|
472
|
|
10
|
473 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
474 "uid cookie: \"%V\"", &set_cookie->value);
|
|
|
475
|
|
28
|
476 if (conf->p3p.len == 0) {
|
|
10
|
477 return NGX_OK;
|
|
|
478 }
|
|
|
479
|
|
48
|
480 p3p = ngx_list_push(&r->headers_out.headers);
|
|
|
481 if (p3p == NULL) {
|
|
10
|
482 return NGX_ERROR;
|
|
|
483 }
|
|
|
484
|
|
58
|
485 p3p->hash = 1;
|
|
10
|
486 p3p->key.len = sizeof("P3P") - 1;
|
|
|
487 p3p->key.data = (u_char *) "P3P";
|
|
|
488 p3p->value = conf->p3p;
|
|
|
489
|
|
0
|
490 return NGX_OK;
|
|
|
491 }
|
|
|
492
|
|
|
493
|
|
48
|
494 static ngx_int_t
|
|
376
|
495 ngx_http_userid_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
|
496 ngx_str_t *name, uint32_t *uid)
|
|
0
|
497 {
|
|
376
|
498 v->len = name->len + sizeof("=00001111222233334444555566667777") - 1;
|
|
122
|
499 v->data = ngx_palloc(r->pool, v->len);
|
|
|
500 if (v->data == NULL) {
|
|
|
501 return NGX_ERROR;
|
|
|
502 }
|
|
|
503
|
|
206
|
504 v->valid = 1;
|
|
340
|
505 v->no_cacheable = 0;
|
|
206
|
506 v->not_found = 0;
|
|
|
507
|
|
122
|
508 ngx_sprintf(v->data, "%V=%08XD%08XD%08XD%08XD",
|
|
376
|
509 name, uid[0], uid[1], uid[2], uid[3]);
|
|
|
510
|
|
|
511 return NGX_OK;
|
|
|
512 }
|
|
|
513
|
|
|
514
|
|
|
515 static ngx_int_t
|
|
|
516 ngx_http_userid_add_variables(ngx_conf_t *cf)
|
|
|
517 {
|
|
|
518 ngx_http_variable_t *var;
|
|
|
519
|
|
|
520 var = ngx_http_add_variable(cf, &ngx_http_userid_got, NGX_HTTP_VAR_NOHASH);
|
|
|
521 if (var == NULL) {
|
|
|
522 return NGX_ERROR;
|
|
|
523 }
|
|
|
524
|
|
|
525 var->get_handler = ngx_http_userid_got_variable;
|
|
|
526
|
|
|
527 var = ngx_http_add_variable(cf, &ngx_http_userid_set, NGX_HTTP_VAR_NOHASH);
|
|
|
528 if (var == NULL) {
|
|
|
529 return NGX_ERROR;
|
|
|
530 }
|
|
|
531
|
|
|
532 var->get_handler = ngx_http_userid_set_variable;
|
|
122
|
533
|
|
|
534 return NGX_OK;
|
|
|
535 }
|
|
|
536
|
|
|
537
|
|
48
|
538 static void *
|
|
|
539 ngx_http_userid_create_conf(ngx_conf_t *cf)
|
|
126
|
540 {
|
|
0
|
541 ngx_http_userid_conf_t *conf;
|
|
|
542
|
|
48
|
543 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_userid_conf_t));
|
|
|
544 if (conf == NULL) {
|
|
0
|
545 return NGX_CONF_ERROR;
|
|
|
546 }
|
|
|
547
|
|
28
|
548 /*
|
|
|
549 * set by ngx_pcalloc():
|
|
|
550 *
|
|
|
551 * conf->name.len = 0;
|
|
|
552 * conf->name.date = NULL;
|
|
|
553 * conf->domain.len = 0;
|
|
|
554 * conf->domain.date = NULL;
|
|
|
555 * conf->path.len = 0;
|
|
|
556 * conf->path.date = NULL;
|
|
|
557 * conf->p3p.len = 0;
|
|
|
558 * conf->p3p.date = NULL;
|
|
|
559 */
|
|
0
|
560
|
|
58
|
561 conf->enable = NGX_CONF_UNSET_UINT;
|
|
0
|
562 conf->service = NGX_CONF_UNSET;
|
|
|
563 conf->expires = NGX_CONF_UNSET;
|
|
88
|
564 conf->mark = (u_char) '\xFF';
|
|
0
|
565
|
|
|
566 return conf;
|
|
126
|
567 }
|
|
0
|
568
|
|
|
569
|
|
48
|
570 static char *
|
|
|
571 ngx_http_userid_merge_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
0
|
572 {
|
|
|
573 ngx_http_userid_conf_t *prev = parent;
|
|
|
574 ngx_http_userid_conf_t *conf = child;
|
|
|
575
|
|
212
|
576 ngx_conf_merge_uint_value(conf->enable, prev->enable,
|
|
|
577 NGX_HTTP_USERID_OFF);
|
|
0
|
578
|
|
|
579 ngx_conf_merge_str_value(conf->name, prev->name, "uid");
|
|
28
|
580 ngx_conf_merge_str_value(conf->domain, prev->domain, "");
|
|
10
|
581 ngx_conf_merge_str_value(conf->path, prev->path, "; path=/");
|
|
28
|
582 ngx_conf_merge_str_value(conf->p3p, prev->p3p, "");
|
|
0
|
583
|
|
|
584 ngx_conf_merge_value(conf->service, prev->service, NGX_CONF_UNSET);
|
|
|
585 ngx_conf_merge_sec_value(conf->expires, prev->expires, 0);
|
|
|
586
|
|
88
|
587 if (conf->mark == (u_char) '\xFF') {
|
|
|
588 if (prev->mark == (u_char) '\xFF') {
|
|
|
589 conf->mark = '\0';
|
|
|
590 } else {
|
|
|
591 conf->mark = prev->mark;
|
|
|
592 }
|
|
|
593 }
|
|
|
594
|
|
0
|
595 return NGX_CONF_OK;
|
|
|
596 }
|
|
|
597
|
|
|
598
|
|
230
|
599 static ngx_int_t
|
|
|
600 ngx_http_userid_init(ngx_conf_t *cf)
|
|
|
601 {
|
|
|
602 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
603 ngx_http_top_header_filter = ngx_http_userid_filter;
|
|
|
604
|
|
|
605 return NGX_OK;
|
|
|
606 }
|
|
|
607
|
|
|
608
|
|
48
|
609 static char *
|
|
|
610 ngx_http_userid_domain(ngx_conf_t *cf, void *post, void *data)
|
|
0
|
611 {
|
|
|
612 ngx_str_t *domain = data;
|
|
|
613
|
|
10
|
614 u_char *p, *new;
|
|
|
615
|
|
52
|
616 if (ngx_strcmp(domain->data, "none") == 0) {
|
|
28
|
617 domain->len = 0;
|
|
|
618 domain->data = (u_char *) "";
|
|
10
|
619
|
|
|
620 return NGX_CONF_OK;
|
|
0
|
621 }
|
|
|
622
|
|
48
|
623 new = ngx_palloc(cf->pool, sizeof("; domain=") - 1 + domain->len);
|
|
|
624 if (new == NULL) {
|
|
10
|
625 return NGX_CONF_ERROR;
|
|
|
626 }
|
|
|
627
|
|
|
628 p = ngx_cpymem(new, "; domain=", sizeof("; domain=") - 1);
|
|
50
|
629 ngx_memcpy(p, domain->data, domain->len);
|
|
10
|
630
|
|
|
631 domain->len += sizeof("; domain=") - 1;
|
|
|
632 domain->data = new;
|
|
|
633
|
|
|
634 return NGX_CONF_OK;
|
|
|
635 }
|
|
|
636
|
|
|
637
|
|
48
|
638 static char *
|
|
|
639 ngx_http_userid_path(ngx_conf_t *cf, void *post, void *data)
|
|
10
|
640 {
|
|
|
641 ngx_str_t *path = data;
|
|
|
642
|
|
|
643 u_char *p, *new;
|
|
|
644
|
|
48
|
645 new = ngx_palloc(cf->pool, sizeof("; path=") - 1 + path->len);
|
|
|
646 if (new == NULL) {
|
|
10
|
647 return NGX_CONF_ERROR;
|
|
|
648 }
|
|
|
649
|
|
|
650 p = ngx_cpymem(new, "; path=", sizeof("; path=") - 1);
|
|
50
|
651 ngx_memcpy(p, path->data, path->len);
|
|
10
|
652
|
|
|
653 path->len += sizeof("; path=") - 1;
|
|
|
654 path->data = new;
|
|
|
655
|
|
0
|
656 return NGX_CONF_OK;
|
|
|
657 }
|
|
|
658
|
|
|
659
|
|
48
|
660 static char *
|
|
|
661 ngx_http_userid_expires(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
0
|
662 {
|
|
|
663 ngx_http_userid_conf_t *ucf = conf;
|
|
|
664
|
|
88
|
665 ngx_str_t *value;
|
|
0
|
666
|
|
|
667 if (ucf->expires != NGX_CONF_UNSET) {
|
|
|
668 return "is duplicate";
|
|
|
669 }
|
|
|
670
|
|
|
671 value = cf->args->elts;
|
|
|
672
|
|
|
673 if (ngx_strcmp(value[1].data, "max") == 0) {
|
|
|
674 ucf->expires = NGX_HTTP_USERID_MAX_EXPIRES;
|
|
|
675 return NGX_CONF_OK;
|
|
|
676 }
|
|
|
677
|
|
|
678 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
679 ucf->expires = 0;
|
|
|
680 return NGX_CONF_OK;
|
|
|
681 }
|
|
|
682
|
|
|
683 ucf->expires = ngx_parse_time(&value[1], 1);
|
|
|
684 if (ucf->expires == NGX_ERROR) {
|
|
|
685 return "invalid value";
|
|
|
686 }
|
|
|
687
|
|
|
688 if (ucf->expires == NGX_PARSE_LARGE_TIME) {
|
|
|
689 return "value must be less than 68 years";
|
|
|
690 }
|
|
|
691
|
|
|
692 return NGX_CONF_OK;
|
|
|
693 }
|
|
10
|
694
|
|
|
695
|
|
48
|
696 static char *
|
|
|
697 ngx_http_userid_p3p(ngx_conf_t *cf, void *post, void *data)
|
|
10
|
698 {
|
|
|
699 ngx_str_t *p3p = data;
|
|
|
700
|
|
52
|
701 if (ngx_strcmp(p3p->data, "none") == 0) {
|
|
28
|
702 p3p->len = 0;
|
|
|
703 p3p->data = (u_char *) "";
|
|
10
|
704 }
|
|
|
705
|
|
|
706 return NGX_CONF_OK;
|
|
|
707 }
|
|
88
|
708
|
|
|
709
|
|
|
710 static char *
|
|
|
711 ngx_http_userid_mark(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
712 {
|
|
|
713 ngx_http_userid_conf_t *ucf = conf;
|
|
|
714
|
|
|
715 ngx_str_t *value;
|
|
|
716
|
|
|
717 if (ucf->mark != (u_char) '\xFF') {
|
|
|
718 return "is duplicate";
|
|
|
719 }
|
|
|
720
|
|
|
721 value = cf->args->elts;
|
|
|
722
|
|
|
723 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
724 ucf->mark = '\0';
|
|
|
725 return NGX_CONF_OK;
|
|
|
726 }
|
|
|
727
|
|
|
728 if (value[1].len != 1
|
|
|
729 || !((value[1].data[0] >= '0' && value[1].data[0] <= '9')
|
|
|
730 || (value[1].data[0] >= 'A' && value[1].data[0] <= 'Z')
|
|
|
731 || (value[1].data[0] >= 'a' && value[1].data[0] <= 'z')
|
|
|
732 || value[1].data[0] == '='))
|
|
|
733 {
|
|
|
734 return "value must be \"off\" or a single letter, digit or \"=\"";
|
|
|
735 }
|
|
|
736
|
|
|
737 ucf->mark = value[1].data[0];
|
|
|
738
|
|
|
739 return NGX_CONF_OK;
|
|
|
740 }
|
|
348
|
741
|
|
|
742
|
|
|
743 static ngx_int_t
|
|
|
744 ngx_http_userid_init_worker(ngx_cycle_t *cycle)
|
|
|
745 {
|
|
|
746 struct timeval tp;
|
|
|
747
|
|
|
748 ngx_gettimeofday(&tp);
|
|
|
749
|
|
|
750 /* use the most significant usec part that fits to 16 bits */
|
|
|
751 start_value = ((tp.tv_usec / 20) << 16) | ngx_pid;
|
|
|
752
|
|
|
753 return NGX_OK;
|
|
|
754 }
|
|
|
755
|
