|
6115
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Roman Arutyunyan
|
|
|
4 * Copyright (C) Nginx, Inc.
|
|
|
5 */
|
|
|
6
|
|
|
7
|
|
|
8 #include <ngx_config.h>
|
|
|
9 #include <ngx_core.h>
|
|
|
10 #include <ngx_stream.h>
|
|
|
11
|
|
|
12
|
|
|
13 static void *ngx_stream_core_create_main_conf(ngx_conf_t *cf);
|
|
|
14 static void *ngx_stream_core_create_srv_conf(ngx_conf_t *cf);
|
|
|
15 static char *ngx_stream_core_merge_srv_conf(ngx_conf_t *cf, void *parent,
|
|
|
16 void *child);
|
|
|
17 static char *ngx_stream_core_error_log(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
18 void *conf);
|
|
|
19 static char *ngx_stream_core_server(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
20 void *conf);
|
|
|
21 static char *ngx_stream_core_listen(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
22 void *conf);
|
|
|
23
|
|
|
24
|
|
|
25 static ngx_command_t ngx_stream_core_commands[] = {
|
|
|
26
|
|
|
27 { ngx_string("server"),
|
|
|
28 NGX_STREAM_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
|
|
|
29 ngx_stream_core_server,
|
|
|
30 0,
|
|
|
31 0,
|
|
|
32 NULL },
|
|
|
33
|
|
|
34 { ngx_string("listen"),
|
|
|
35 NGX_STREAM_SRV_CONF|NGX_CONF_1MORE,
|
|
|
36 ngx_stream_core_listen,
|
|
|
37 NGX_STREAM_SRV_CONF_OFFSET,
|
|
|
38 0,
|
|
|
39 NULL },
|
|
|
40
|
|
|
41 { ngx_string("error_log"),
|
|
|
42 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_1MORE,
|
|
|
43 ngx_stream_core_error_log,
|
|
|
44 NGX_STREAM_SRV_CONF_OFFSET,
|
|
|
45 0,
|
|
|
46 NULL },
|
|
|
47
|
|
|
48 ngx_null_command
|
|
|
49 };
|
|
|
50
|
|
|
51
|
|
|
52 static ngx_stream_module_t ngx_stream_core_module_ctx = {
|
|
|
53 ngx_stream_core_create_main_conf, /* create main configuration */
|
|
|
54 NULL, /* init main configuration */
|
|
|
55
|
|
|
56 ngx_stream_core_create_srv_conf, /* create server configuration */
|
|
|
57 ngx_stream_core_merge_srv_conf /* merge server configuration */
|
|
|
58 };
|
|
|
59
|
|
|
60
|
|
|
61 ngx_module_t ngx_stream_core_module = {
|
|
|
62 NGX_MODULE_V1,
|
|
|
63 &ngx_stream_core_module_ctx, /* module context */
|
|
|
64 ngx_stream_core_commands, /* module directives */
|
|
|
65 NGX_STREAM_MODULE, /* module type */
|
|
|
66 NULL, /* init master */
|
|
|
67 NULL, /* init module */
|
|
|
68 NULL, /* init process */
|
|
|
69 NULL, /* init thread */
|
|
|
70 NULL, /* exit thread */
|
|
|
71 NULL, /* exit process */
|
|
|
72 NULL, /* exit master */
|
|
|
73 NGX_MODULE_V1_PADDING
|
|
|
74 };
|
|
|
75
|
|
|
76
|
|
|
77 static void *
|
|
|
78 ngx_stream_core_create_main_conf(ngx_conf_t *cf)
|
|
|
79 {
|
|
|
80 ngx_stream_core_main_conf_t *cmcf;
|
|
|
81
|
|
|
82 cmcf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_core_main_conf_t));
|
|
|
83 if (cmcf == NULL) {
|
|
|
84 return NULL;
|
|
|
85 }
|
|
|
86
|
|
|
87 if (ngx_array_init(&cmcf->servers, cf->pool, 4,
|
|
|
88 sizeof(ngx_stream_core_srv_conf_t *))
|
|
|
89 != NGX_OK)
|
|
|
90 {
|
|
|
91 return NULL;
|
|
|
92 }
|
|
|
93
|
|
|
94 if (ngx_array_init(&cmcf->listen, cf->pool, 4, sizeof(ngx_stream_listen_t))
|
|
|
95 != NGX_OK)
|
|
|
96 {
|
|
|
97 return NULL;
|
|
|
98 }
|
|
|
99
|
|
|
100 return cmcf;
|
|
|
101 }
|
|
|
102
|
|
|
103
|
|
|
104 static void *
|
|
|
105 ngx_stream_core_create_srv_conf(ngx_conf_t *cf)
|
|
|
106 {
|
|
|
107 ngx_stream_core_srv_conf_t *cscf;
|
|
|
108
|
|
|
109 cscf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_core_srv_conf_t));
|
|
|
110 if (cscf == NULL) {
|
|
|
111 return NULL;
|
|
|
112 }
|
|
|
113
|
|
|
114 /*
|
|
|
115 * set by ngx_pcalloc():
|
|
|
116 *
|
|
|
117 * cscf->handler = NULL;
|
|
|
118 * cscf->error_log = NULL;
|
|
|
119 */
|
|
|
120
|
|
|
121 cscf->file_name = cf->conf_file->file.name.data;
|
|
|
122 cscf->line = cf->conf_file->line;
|
|
|
123
|
|
|
124 return cscf;
|
|
|
125 }
|
|
|
126
|
|
|
127
|
|
|
128 static char *
|
|
|
129 ngx_stream_core_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
130 {
|
|
|
131 ngx_stream_core_srv_conf_t *prev = parent;
|
|
|
132 ngx_stream_core_srv_conf_t *conf = child;
|
|
|
133
|
|
|
134 if (conf->handler == NULL) {
|
|
|
135 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
136 "no handler for server in %s:%ui",
|
|
|
137 conf->file_name, conf->line);
|
|
|
138 return NGX_CONF_ERROR;
|
|
|
139 }
|
|
|
140
|
|
|
141 if (conf->error_log == NULL) {
|
|
|
142 if (prev->error_log) {
|
|
|
143 conf->error_log = prev->error_log;
|
|
|
144 } else {
|
|
|
145 conf->error_log = &cf->cycle->new_log;
|
|
|
146 }
|
|
|
147 }
|
|
|
148
|
|
|
149 return NGX_CONF_OK;
|
|
|
150 }
|
|
|
151
|
|
|
152
|
|
|
153 static char *
|
|
|
154 ngx_stream_core_error_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
155 {
|
|
|
156 ngx_stream_core_srv_conf_t *cscf = conf;
|
|
|
157
|
|
|
158 return ngx_log_set_log(cf, &cscf->error_log);
|
|
|
159 }
|
|
|
160
|
|
|
161
|
|
|
162 static char *
|
|
|
163 ngx_stream_core_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
164 {
|
|
|
165 char *rv;
|
|
|
166 void *mconf;
|
|
|
167 ngx_uint_t m;
|
|
|
168 ngx_conf_t pcf;
|
|
|
169 ngx_stream_module_t *module;
|
|
|
170 ngx_stream_conf_ctx_t *ctx, *stream_ctx;
|
|
|
171 ngx_stream_core_srv_conf_t *cscf, **cscfp;
|
|
|
172 ngx_stream_core_main_conf_t *cmcf;
|
|
|
173
|
|
|
174 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_stream_conf_ctx_t));
|
|
|
175 if (ctx == NULL) {
|
|
|
176 return NGX_CONF_ERROR;
|
|
|
177 }
|
|
|
178
|
|
|
179 stream_ctx = cf->ctx;
|
|
|
180 ctx->main_conf = stream_ctx->main_conf;
|
|
|
181
|
|
|
182 /* the server{}'s srv_conf */
|
|
|
183
|
|
|
184 ctx->srv_conf = ngx_pcalloc(cf->pool,
|
|
|
185 sizeof(void *) * ngx_stream_max_module);
|
|
|
186 if (ctx->srv_conf == NULL) {
|
|
|
187 return NGX_CONF_ERROR;
|
|
|
188 }
|
|
|
189
|
|
|
190 for (m = 0; ngx_modules[m]; m++) {
|
|
|
191 if (ngx_modules[m]->type != NGX_STREAM_MODULE) {
|
|
|
192 continue;
|
|
|
193 }
|
|
|
194
|
|
|
195 module = ngx_modules[m]->ctx;
|
|
|
196
|
|
|
197 if (module->create_srv_conf) {
|
|
|
198 mconf = module->create_srv_conf(cf);
|
|
|
199 if (mconf == NULL) {
|
|
|
200 return NGX_CONF_ERROR;
|
|
|
201 }
|
|
|
202
|
|
|
203 ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf;
|
|
|
204 }
|
|
|
205 }
|
|
|
206
|
|
|
207 /* the server configuration context */
|
|
|
208
|
|
|
209 cscf = ctx->srv_conf[ngx_stream_core_module.ctx_index];
|
|
|
210 cscf->ctx = ctx;
|
|
|
211
|
|
|
212 cmcf = ctx->main_conf[ngx_stream_core_module.ctx_index];
|
|
|
213
|
|
|
214 cscfp = ngx_array_push(&cmcf->servers);
|
|
|
215 if (cscfp == NULL) {
|
|
|
216 return NGX_CONF_ERROR;
|
|
|
217 }
|
|
|
218
|
|
|
219 *cscfp = cscf;
|
|
|
220
|
|
|
221
|
|
|
222 /* parse inside server{} */
|
|
|
223
|
|
|
224 pcf = *cf;
|
|
|
225 cf->ctx = ctx;
|
|
|
226 cf->cmd_type = NGX_STREAM_SRV_CONF;
|
|
|
227
|
|
|
228 rv = ngx_conf_parse(cf, NULL);
|
|
|
229
|
|
|
230 *cf = pcf;
|
|
|
231
|
|
|
232 return rv;
|
|
|
233 }
|
|
|
234
|
|
|
235
|
|
|
236 static char *
|
|
|
237 ngx_stream_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
238 {
|
|
|
239 size_t len, off;
|
|
|
240 in_port_t port;
|
|
|
241 ngx_str_t *value;
|
|
|
242 ngx_url_t u;
|
|
|
243 ngx_uint_t i;
|
|
|
244 struct sockaddr *sa;
|
|
|
245 struct sockaddr_in *sin;
|
|
|
246 ngx_stream_listen_t *ls;
|
|
|
247 ngx_stream_core_main_conf_t *cmcf;
|
|
|
248 #if (NGX_HAVE_INET6)
|
|
|
249 struct sockaddr_in6 *sin6;
|
|
|
250 #endif
|
|
|
251
|
|
|
252 value = cf->args->elts;
|
|
|
253
|
|
|
254 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
255
|
|
|
256 u.url = value[1];
|
|
|
257 u.listen = 1;
|
|
|
258
|
|
|
259 if (ngx_parse_url(cf->pool, &u) != NGX_OK) {
|
|
|
260 if (u.err) {
|
|
|
261 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
262 "%s in \"%V\" of the \"listen\" directive",
|
|
|
263 u.err, &u.url);
|
|
|
264 }
|
|
|
265
|
|
|
266 return NGX_CONF_ERROR;
|
|
|
267 }
|
|
|
268
|
|
|
269 cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module);
|
|
|
270
|
|
|
271 ls = cmcf->listen.elts;
|
|
|
272
|
|
|
273 for (i = 0; i < cmcf->listen.nelts; i++) {
|
|
|
274
|
|
|
275 sa = (struct sockaddr *) ls[i].sockaddr;
|
|
|
276
|
|
|
277 if (sa->sa_family != u.family) {
|
|
|
278 continue;
|
|
|
279 }
|
|
|
280
|
|
|
281 switch (sa->sa_family) {
|
|
|
282
|
|
|
283 #if (NGX_HAVE_INET6)
|
|
|
284 case AF_INET6:
|
|
|
285 off = offsetof(struct sockaddr_in6, sin6_addr);
|
|
|
286 len = 16;
|
|
|
287 sin6 = (struct sockaddr_in6 *) sa;
|
|
|
288 port = sin6->sin6_port;
|
|
|
289 break;
|
|
|
290 #endif
|
|
|
291
|
|
|
292 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
293 case AF_UNIX:
|
|
|
294 off = offsetof(struct sockaddr_un, sun_path);
|
|
|
295 len = sizeof(((struct sockaddr_un *) sa)->sun_path);
|
|
|
296 port = 0;
|
|
|
297 break;
|
|
|
298 #endif
|
|
|
299
|
|
|
300 default: /* AF_INET */
|
|
|
301 off = offsetof(struct sockaddr_in, sin_addr);
|
|
|
302 len = 4;
|
|
|
303 sin = (struct sockaddr_in *) sa;
|
|
|
304 port = sin->sin_port;
|
|
|
305 break;
|
|
|
306 }
|
|
|
307
|
|
|
308 if (ngx_memcmp(ls[i].sockaddr + off, u.sockaddr + off, len) != 0) {
|
|
|
309 continue;
|
|
|
310 }
|
|
|
311
|
|
|
312 if (port != u.port) {
|
|
|
313 continue;
|
|
|
314 }
|
|
|
315
|
|
|
316 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
317 "duplicate \"%V\" address and port pair", &u.url);
|
|
|
318 return NGX_CONF_ERROR;
|
|
|
319 }
|
|
|
320
|
|
|
321 ls = ngx_array_push(&cmcf->listen);
|
|
|
322 if (ls == NULL) {
|
|
|
323 return NGX_CONF_ERROR;
|
|
|
324 }
|
|
|
325
|
|
|
326 ngx_memzero(ls, sizeof(ngx_stream_listen_t));
|
|
|
327
|
|
|
328 ngx_memcpy(ls->sockaddr, u.sockaddr, u.socklen);
|
|
|
329
|
|
|
330 ls->socklen = u.socklen;
|
|
|
331 ls->wildcard = u.wildcard;
|
|
|
332 ls->ctx = cf->ctx;
|
|
|
333
|
|
|
334 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
|
|
|
335 ls->ipv6only = 1;
|
|
|
336 #endif
|
|
|
337
|
|
|
338 for (i = 2; i < cf->args->nelts; i++) {
|
|
|
339
|
|
|
340 if (ngx_strcmp(value[i].data, "bind") == 0) {
|
|
|
341 ls->bind = 1;
|
|
|
342 continue;
|
|
|
343 }
|
|
|
344
|
|
|
345 if (ngx_strncmp(value[i].data, "ipv6only=o", 10) == 0) {
|
|
|
346 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
|
|
|
347 struct sockaddr *sa;
|
|
|
348 u_char buf[NGX_SOCKADDR_STRLEN];
|
|
|
349
|
|
|
350 sa = (struct sockaddr *) ls->sockaddr;
|
|
|
351
|
|
|
352 if (sa->sa_family == AF_INET6) {
|
|
|
353
|
|
|
354 if (ngx_strcmp(&value[i].data[10], "n") == 0) {
|
|
|
355 ls->ipv6only = 1;
|
|
|
356
|
|
|
357 } else if (ngx_strcmp(&value[i].data[10], "ff") == 0) {
|
|
|
358 ls->ipv6only = 0;
|
|
|
359
|
|
|
360 } else {
|
|
|
361 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
362 "invalid ipv6only flags \"%s\"",
|
|
|
363 &value[i].data[9]);
|
|
|
364 return NGX_CONF_ERROR;
|
|
|
365 }
|
|
|
366
|
|
|
367 ls->bind = 1;
|
|
|
368
|
|
|
369 } else {
|
|
|
370 len = ngx_sock_ntop(sa, ls->socklen, buf,
|
|
|
371 NGX_SOCKADDR_STRLEN, 1);
|
|
|
372
|
|
|
373 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
374 "ipv6only is not supported "
|
|
|
375 "on addr \"%*s\", ignored", len, buf);
|
|
|
376 }
|
|
|
377
|
|
|
378 continue;
|
|
|
379 #else
|
|
|
380 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
381 "bind ipv6only is not supported "
|
|
|
382 "on this platform");
|
|
|
383 return NGX_CONF_ERROR;
|
|
|
384 #endif
|
|
|
385 }
|
|
|
386
|
|
|
387 if (ngx_strcmp(value[i].data, "ssl") == 0) {
|
|
|
388 #if (NGX_STREAM_SSL)
|
|
|
389 ls->ssl = 1;
|
|
|
390 continue;
|
|
|
391 #else
|
|
|
392 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
393 "the \"ssl\" parameter requires "
|
|
|
394 "ngx_stream_ssl_module");
|
|
|
395 return NGX_CONF_ERROR;
|
|
|
396 #endif
|
|
|
397 }
|
|
|
398
|
|
|
399 if (ngx_strncmp(value[i].data, "so_keepalive=", 13) == 0) {
|
|
|
400
|
|
|
401 if (ngx_strcmp(&value[i].data[13], "on") == 0) {
|
|
|
402 ls->so_keepalive = 1;
|
|
|
403
|
|
|
404 } else if (ngx_strcmp(&value[i].data[13], "off") == 0) {
|
|
|
405 ls->so_keepalive = 2;
|
|
|
406
|
|
|
407 } else {
|
|
|
408
|
|
|
409 #if (NGX_HAVE_KEEPALIVE_TUNABLE)
|
|
|
410 u_char *p, *end;
|
|
|
411 ngx_str_t s;
|
|
|
412
|
|
|
413 end = value[i].data + value[i].len;
|
|
|
414 s.data = value[i].data + 13;
|
|
|
415
|
|
|
416 p = ngx_strlchr(s.data, end, ':');
|
|
|
417 if (p == NULL) {
|
|
|
418 p = end;
|
|
|
419 }
|
|
|
420
|
|
|
421 if (p > s.data) {
|
|
|
422 s.len = p - s.data;
|
|
|
423
|
|
|
424 ls->tcp_keepidle = ngx_parse_time(&s, 1);
|
|
|
425 if (ls->tcp_keepidle == (time_t) NGX_ERROR) {
|
|
|
426 goto invalid_so_keepalive;
|
|
|
427 }
|
|
|
428 }
|
|
|
429
|
|
|
430 s.data = (p < end) ? (p + 1) : end;
|
|
|
431
|
|
|
432 p = ngx_strlchr(s.data, end, ':');
|
|
|
433 if (p == NULL) {
|
|
|
434 p = end;
|
|
|
435 }
|
|
|
436
|
|
|
437 if (p > s.data) {
|
|
|
438 s.len = p - s.data;
|
|
|
439
|
|
|
440 ls->tcp_keepintvl = ngx_parse_time(&s, 1);
|
|
|
441 if (ls->tcp_keepintvl == (time_t) NGX_ERROR) {
|
|
|
442 goto invalid_so_keepalive;
|
|
|
443 }
|
|
|
444 }
|
|
|
445
|
|
|
446 s.data = (p < end) ? (p + 1) : end;
|
|
|
447
|
|
|
448 if (s.data < end) {
|
|
|
449 s.len = end - s.data;
|
|
|
450
|
|
|
451 ls->tcp_keepcnt = ngx_atoi(s.data, s.len);
|
|
|
452 if (ls->tcp_keepcnt == NGX_ERROR) {
|
|
|
453 goto invalid_so_keepalive;
|
|
|
454 }
|
|
|
455 }
|
|
|
456
|
|
|
457 if (ls->tcp_keepidle == 0 && ls->tcp_keepintvl == 0
|
|
|
458 && ls->tcp_keepcnt == 0)
|
|
|
459 {
|
|
|
460 goto invalid_so_keepalive;
|
|
|
461 }
|
|
|
462
|
|
|
463 ls->so_keepalive = 1;
|
|
|
464
|
|
|
465 #else
|
|
|
466
|
|
|
467 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
468 "the \"so_keepalive\" parameter accepts "
|
|
|
469 "only \"on\" or \"off\" on this platform");
|
|
|
470 return NGX_CONF_ERROR;
|
|
|
471
|
|
|
472 #endif
|
|
|
473 }
|
|
|
474
|
|
|
475 ls->bind = 1;
|
|
|
476
|
|
|
477 continue;
|
|
|
478
|
|
|
479 #if (NGX_HAVE_KEEPALIVE_TUNABLE)
|
|
|
480 invalid_so_keepalive:
|
|
|
481
|
|
|
482 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
483 "invalid so_keepalive value: \"%s\"",
|
|
|
484 &value[i].data[13]);
|
|
|
485 return NGX_CONF_ERROR;
|
|
|
486 #endif
|
|
|
487 }
|
|
|
488
|
|
|
489 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
490 "the invalid \"%V\" parameter", &value[i]);
|
|
|
491 return NGX_CONF_ERROR;
|
|
|
492 }
|
|
|
493
|
|
|
494 return NGX_CONF_OK;
|
|
|
495 }
|
