0
|
1
|
|
2 /*
|
|
3 * Copyright (C) Igor Sysoev
|
|
4 */
|
|
5
|
|
6
|
|
7 #include <ngx_config.h>
|
|
8 #include <ngx_core.h>
|
28
|
9 #include <ngx_event.h>
|
|
10 #include <ngx_event_connect.h>
|
0
|
11
|
|
12
|
10
|
13 /*
|
|
14 * ngx_sock_ntop() and ngx_inet_ntop() may be implemented as
|
130
|
15 * "ngx_sprintf(text, "%ud.%ud.%ud.%ud", p[0], p[1], p[2], p[3])", however,
|
|
16 * they had been implemented long before the ngx_sprintf() had appeared
|
10
|
17 * and they are faster by 1.5-2.5 times, so it is worth to keep them.
|
|
18 *
|
|
19 * By the way, the implementation using ngx_sprintf() is faster by 2.5-3 times
|
28
|
20 * than using FreeBSD libc's snprintf().
|
10
|
21 */
|
|
22
|
|
23
|
180
|
24 static ngx_inline size_t
|
|
25 ngx_sprint_uchar(u_char *text, u_char c, size_t len)
|
0
|
26 {
|
|
27 size_t n;
|
|
28 ngx_uint_t c1, c2;
|
|
29
|
|
30 n = 0;
|
|
31
|
|
32 if (len == n) {
|
|
33 return n;
|
|
34 }
|
|
35
|
|
36 c1 = c / 100;
|
|
37
|
|
38 if (c1) {
|
|
39 *text++ = (u_char) (c1 + '0');
|
|
40 n++;
|
|
41
|
|
42 if (len == n) {
|
|
43 return n;
|
|
44 }
|
|
45 }
|
|
46
|
|
47 c2 = (c % 100) / 10;
|
|
48
|
|
49 if (c1 || c2) {
|
|
50 *text++ = (u_char) (c2 + '0');
|
|
51 n++;
|
|
52
|
|
53 if (len == n) {
|
|
54 return n;
|
|
55 }
|
|
56 }
|
|
57
|
|
58 c2 = c % 10;
|
|
59
|
|
60 *text++ = (u_char) (c2 + '0');
|
|
61 n++;
|
|
62
|
|
63 return n;
|
|
64 }
|
|
65
|
|
66
|
|
67 /* AF_INET only */
|
|
68
|
58
|
69 size_t
|
|
70 ngx_sock_ntop(int family, struct sockaddr *sa, u_char *text, size_t len)
|
0
|
71 {
|
|
72 u_char *p;
|
|
73 size_t n;
|
|
74 ngx_uint_t i;
|
28
|
75 struct sockaddr_in *sin;
|
0
|
76
|
|
77 if (len == 0) {
|
|
78 return 0;
|
|
79 }
|
|
80
|
|
81 if (family != AF_INET) {
|
|
82 return 0;
|
|
83 }
|
|
84
|
28
|
85 sin = (struct sockaddr_in *) sa;
|
|
86 p = (u_char *) &sin->sin_addr;
|
0
|
87
|
|
88 if (len > INET_ADDRSTRLEN) {
|
|
89 len = INET_ADDRSTRLEN;
|
|
90 }
|
|
91
|
|
92 n = ngx_sprint_uchar(text, p[0], len);
|
|
93
|
|
94 i = 1;
|
|
95
|
|
96 do {
|
|
97 if (len == n) {
|
|
98 text[n - 1] = '\0';
|
|
99 return n;
|
|
100 }
|
|
101
|
|
102 text[n++] = '.';
|
|
103
|
|
104 if (len == n) {
|
|
105 text[n - 1] = '\0';
|
|
106 return n;
|
|
107 }
|
|
108
|
|
109 n += ngx_sprint_uchar(&text[n], p[i++], len - n);
|
|
110
|
|
111 } while (i < 4);
|
|
112
|
|
113 if (len == n) {
|
|
114 text[n] = '\0';
|
|
115 return n;
|
|
116 }
|
|
117
|
|
118 text[n] = '\0';
|
|
119
|
|
120 return n;
|
|
121 }
|
|
122
|
58
|
123 size_t
|
|
124 ngx_inet_ntop(int family, void *addr, u_char *text, size_t len)
|
0
|
125 {
|
|
126 u_char *p;
|
|
127 size_t n;
|
|
128 ngx_uint_t i;
|
|
129
|
|
130 if (len == 0) {
|
|
131 return 0;
|
|
132 }
|
|
133
|
|
134 if (family != AF_INET) {
|
|
135 return 0;
|
|
136 }
|
|
137
|
|
138 p = (u_char *) addr;
|
|
139
|
|
140 if (len > INET_ADDRSTRLEN) {
|
|
141 len = INET_ADDRSTRLEN;
|
|
142 }
|
|
143
|
|
144 n = ngx_sprint_uchar(text, p[0], len);
|
|
145
|
|
146 i = 1;
|
|
147
|
|
148 do {
|
|
149 if (len == n) {
|
|
150 text[n - 1] = '\0';
|
|
151 return n;
|
|
152 }
|
|
153
|
|
154 text[n++] = '.';
|
|
155
|
|
156 if (len == n) {
|
|
157 text[n - 1] = '\0';
|
|
158 return n;
|
|
159 }
|
|
160
|
|
161 n += ngx_sprint_uchar(&text[n], p[i++], len - n);
|
|
162
|
|
163 } while (i < 4);
|
|
164
|
|
165 if (len == n) {
|
|
166 text[n] = '\0';
|
|
167 return n;
|
|
168 }
|
|
169
|
|
170 text[n] = '\0';
|
|
171
|
|
172 return n;
|
|
173 }
|
|
174
|
|
175
|
|
176 /* AF_INET only */
|
|
177
|
58
|
178 ngx_int_t
|
|
179 ngx_ptocidr(ngx_str_t *text, void *cidr)
|
0
|
180 {
|
|
181 ngx_int_t m;
|
|
182 ngx_uint_t i;
|
|
183 ngx_inet_cidr_t *in_cidr;
|
|
184
|
|
185 in_cidr = cidr;
|
|
186
|
|
187 for (i = 0; i < text->len; i++) {
|
|
188 if (text->data[i] == '/') {
|
|
189 break;
|
|
190 }
|
|
191 }
|
|
192
|
|
193 if (i == text->len) {
|
|
194 return NGX_ERROR;
|
|
195 }
|
|
196
|
|
197 text->data[i] = '\0';
|
|
198 in_cidr->addr = inet_addr((char *) text->data);
|
|
199 text->data[i] = '/';
|
|
200 if (in_cidr->addr == INADDR_NONE) {
|
|
201 return NGX_ERROR;
|
|
202 }
|
|
203
|
|
204 m = ngx_atoi(&text->data[i + 1], text->len - (i + 1));
|
|
205 if (m == NGX_ERROR) {
|
|
206 return NGX_ERROR;
|
|
207 }
|
|
208
|
|
209 if (m == 0) {
|
|
210
|
|
211 /* the x86 compilers use the shl instruction that shifts by modulo 32 */
|
|
212
|
|
213 in_cidr->mask = 0;
|
|
214 return NGX_OK;
|
|
215 }
|
|
216
|
|
217 in_cidr->mask = htonl((ngx_uint_t) (0 - (1 << (32 - m))));
|
|
218
|
|
219 return NGX_OK;
|
|
220 }
|
|
221
|
|
222
|
200
|
223 ngx_int_t
|
|
224 ngx_parse_url(ngx_conf_t *cf, ngx_url_t *u)
|
|
225 {
|
|
226 u_char *p;
|
|
227 size_t len;
|
|
228 ngx_int_t port;
|
|
229 ngx_uint_t i;
|
|
230 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
231 struct sockaddr_un *saun;
|
|
232 #endif
|
|
233
|
|
234 len = u->url.len;
|
|
235 p = u->url.data;
|
|
236
|
|
237 if (ngx_strncasecmp(p, "unix:", 5) == 0) {
|
|
238
|
|
239 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
240
|
|
241 u->type = NGX_PARSE_URL_UNIX;
|
|
242
|
|
243 p += 5;
|
|
244 len -= 5;
|
|
245
|
236
|
246 u->uri.len = len;
|
|
247 u->uri.data = p;
|
|
248
|
200
|
249 if (u->uri_part) {
|
|
250 for (i = 0; i < len; i++) {
|
|
251
|
|
252 if (p[i] == ':') {
|
|
253 len = i;
|
|
254
|
|
255 u->uri.len -= len + 1;
|
|
256 u->uri.data += len + 1;
|
|
257
|
|
258 break;
|
|
259 }
|
|
260 }
|
|
261 }
|
|
262
|
|
263 if (len == 0) {
|
|
264 u->err = "no path in the unix domain socket";
|
|
265 return NGX_ERROR;
|
|
266 }
|
|
267
|
|
268 if (len + 1 > sizeof(saun->sun_path)) {
|
|
269 u->err = "too long path in the unix domain socket";
|
|
270 return NGX_ERROR;
|
|
271 }
|
|
272
|
|
273 u->peers = ngx_pcalloc(cf->pool, sizeof(ngx_peers_t));
|
|
274 if (u->peers == NULL) {
|
|
275 return NGX_ERROR;
|
|
276 }
|
|
277
|
|
278 saun = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_un));
|
|
279 if (saun == NULL) {
|
|
280 return NGX_ERROR;
|
|
281 }
|
|
282
|
|
283 u->peers->number = 1;
|
|
284
|
|
285 saun->sun_family = AF_UNIX;
|
|
286 (void) ngx_cpystrn((u_char *) saun->sun_path, p, len + 1);
|
|
287
|
|
288 u->peers->peer[0].sockaddr = (struct sockaddr *) saun;
|
|
289 u->peers->peer[0].socklen = sizeof(struct sockaddr_un);
|
236
|
290 u->peers->peer[0].name.len = len + 5;
|
|
291 u->peers->peer[0].name.data = u->url.data;
|
200
|
292 u->peers->peer[0].uri_separator = ":";
|
|
293
|
|
294 u->host_header.len = sizeof("localhost") - 1;
|
|
295 u->host_header.data = (u_char *) "localhost";
|
|
296
|
|
297 return NGX_OK;
|
|
298
|
|
299 #else
|
|
300 u->err = "the unix domain sockets are not supported on this platform";
|
|
301
|
|
302 return NGX_ERROR;
|
|
303
|
|
304 #endif
|
|
305 }
|
|
306
|
|
307 if ((p[0] == ':' || p[0] == '/') && !u->listen) {
|
|
308 u->err = "invalid host";
|
|
309 return NGX_ERROR;
|
|
310 }
|
|
311
|
|
312 u->type = NGX_PARSE_URL_INET;
|
|
313
|
|
314 u->host.data = p;
|
|
315 u->host_header.len = len;
|
|
316 u->host_header.data = p;
|
|
317
|
|
318 for (i = 0; i < len; i++) {
|
|
319
|
|
320 if (p[i] == ':') {
|
|
321 u->port.data = &p[i + 1];
|
|
322 u->host.len = i;
|
|
323
|
|
324 if (!u->uri_part) {
|
|
325 u->port.len = &p[len] - u->port.data;
|
|
326 break;
|
|
327 }
|
|
328 }
|
|
329
|
|
330 if (p[i] == '/') {
|
|
331 u->uri.len = len - i;
|
|
332 u->uri.data = &p[i];
|
|
333 u->host_header.len = i;
|
|
334
|
|
335 if (u->host.len == 0) {
|
|
336 u->host.len = i;
|
|
337 }
|
|
338
|
|
339 if (u->port.data == NULL) {
|
|
340 u->default_port = 1;
|
|
341 goto port;
|
|
342 }
|
|
343
|
|
344 u->port.len = &p[i] - u->port.data;
|
|
345
|
|
346 if (u->port.len == 0) {
|
|
347 u->err = "invalid port";
|
|
348 return NGX_ERROR;
|
|
349 }
|
|
350
|
|
351 break;
|
|
352 }
|
|
353 }
|
|
354
|
|
355 if (u->port.data) {
|
|
356
|
|
357 if (u->port.len == 0) {
|
|
358 u->port.len = &p[i] - u->port.data;
|
|
359
|
|
360 if (u->port.len == 0) {
|
|
361 u->err = "invalid port";
|
|
362 return NGX_ERROR;
|
|
363 }
|
|
364 }
|
|
365
|
|
366 port = ngx_atoi(u->port.data, u->port.len);
|
|
367
|
|
368 if (port == NGX_ERROR || port < 1 || port > 65536) {
|
|
369 u->err = "invalid port";
|
|
370 return NGX_ERROR;
|
|
371 }
|
|
372
|
|
373 } else {
|
|
374 port = ngx_atoi(p, len);
|
|
375
|
|
376 if (port == NGX_ERROR) {
|
|
377 u->default_port = 1;
|
|
378 u->host.len = len;
|
|
379
|
|
380 goto port;
|
|
381 }
|
|
382
|
|
383 u->port.len = len;
|
|
384 u->port.data = p;
|
|
385 u->wildcard = 1;
|
|
386 }
|
|
387
|
|
388 u->portn = (in_port_t) port;
|
|
389
|
|
390 port:
|
|
391
|
|
392 if (u->listen) {
|
|
393 return NGX_OK;
|
|
394 }
|
|
395
|
|
396 if (u->default_port) {
|
|
397
|
|
398 if (u->upstream) {
|
|
399 return NGX_OK;
|
|
400 }
|
|
401
|
|
402 if (u->default_portn == 0) {
|
|
403 u->err = "no port";
|
|
404 return NGX_ERROR;
|
|
405 }
|
|
406
|
|
407 u->portn = u->default_portn;
|
|
408
|
|
409 u->port.data = ngx_palloc(cf->pool, sizeof("65536") - 1);
|
|
410 if (u->port.data == NULL) {
|
|
411 return NGX_ERROR;
|
|
412 }
|
|
413
|
|
414 u->port.len = ngx_sprintf(u->port.data, "%d", u->portn) - u->port.data;
|
|
415
|
|
416 } else if (u->portn) {
|
|
417 if (u->portn == u->default_portn) {
|
|
418 u->default_port = 1;
|
|
419 }
|
|
420
|
|
421 } else {
|
|
422 u->err = "no port";
|
|
423 return NGX_ERROR;
|
|
424 }
|
|
425
|
|
426 if (u->host.len == 0) {
|
|
427 u->err = "no host";
|
|
428 return NGX_ERROR;
|
|
429 }
|
|
430
|
|
431 u->peers = ngx_inet_resolve_peer(cf, &u->host, u->portn);
|
|
432
|
|
433 if (u->peers == NULL) {
|
|
434 return NGX_ERROR;
|
|
435 }
|
|
436
|
|
437 if (u->peers == NGX_CONF_ERROR) {
|
|
438 u->err = "host not found";
|
|
439 return NGX_ERROR;
|
|
440 }
|
|
441
|
|
442 return NGX_OK;
|
|
443 }
|
|
444
|
|
445
|
|
446 ngx_peers_t *
|
|
447 ngx_inet_resolve_peer(ngx_conf_t *cf, ngx_str_t *name, in_port_t port)
|
|
448 {
|
|
449 u_char *host;
|
|
450 size_t len;
|
|
451 in_addr_t in_addr;
|
|
452 ngx_uint_t i;
|
|
453 ngx_peers_t *peers;
|
|
454 struct hostent *h;
|
|
455 struct sockaddr_in *sin;
|
|
456
|
|
457 host = ngx_palloc(cf->temp_pool, name->len + 1);
|
|
458 if (host == NULL) {
|
|
459 return NULL;
|
|
460 }
|
|
461
|
|
462 (void) ngx_cpystrn(host, name->data, name->len + 1);
|
|
463
|
|
464 /* AF_INET only */
|
|
465
|
|
466 in_addr = inet_addr((char *) host);
|
|
467
|
|
468 if (in_addr == INADDR_NONE) {
|
|
469 h = gethostbyname((char *) host);
|
|
470
|
|
471 if (h == NULL || h->h_addr_list[0] == NULL) {
|
|
472 return NGX_CONF_ERROR;
|
|
473 }
|
|
474
|
|
475 for (i = 0; h->h_addr_list[i] != NULL; i++) { /* void */ }
|
|
476
|
|
477 /* MP: ngx_shared_palloc() */
|
|
478
|
|
479 peers = ngx_pcalloc(cf->pool,
|
|
480 sizeof(ngx_peers_t) + sizeof(ngx_peer_t) * (i - 1));
|
|
481 if (peers == NULL) {
|
|
482 return NULL;
|
|
483 }
|
|
484
|
|
485 peers->number = i;
|
|
486
|
|
487 for (i = 0; h->h_addr_list[i] != NULL; i++) {
|
|
488
|
|
489 sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in));
|
|
490 if (sin == NULL) {
|
|
491 return NULL;
|
|
492 }
|
|
493
|
|
494 sin->sin_family = AF_INET;
|
|
495 sin->sin_port = htons(port);
|
|
496 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[i]);
|
|
497
|
|
498 peers->peer[i].sockaddr = (struct sockaddr *) sin;
|
|
499 peers->peer[i].socklen = sizeof(struct sockaddr_in);
|
|
500
|
|
501 len = INET_ADDRSTRLEN - 1 + 1 + sizeof(":65536") - 1;
|
|
502
|
|
503 peers->peer[i].name.data = ngx_palloc(cf->pool, len);
|
|
504 if (peers->peer[i].name.data == NULL) {
|
|
505 return NULL;
|
|
506 }
|
|
507
|
|
508 len = ngx_sock_ntop(AF_INET, (struct sockaddr *) sin,
|
|
509 peers->peer[i].name.data, len);
|
|
510
|
|
511 peers->peer[i].name.len =
|
|
512 ngx_sprintf(&peers->peer[i].name.data[len],
|
|
513 ":%d", port)
|
|
514 - peers->peer[i].name.data;
|
|
515
|
|
516 peers->peer[i].uri_separator = "";
|
212
|
517
|
|
518 peers->peer[i].weight = NGX_CONF_UNSET_UINT;
|
|
519 peers->peer[i].max_fails = NGX_CONF_UNSET_UINT;
|
|
520 peers->peer[i].fail_timeout = NGX_CONF_UNSET;
|
200
|
521 }
|
|
522
|
|
523 } else {
|
|
524
|
|
525 /* MP: ngx_shared_palloc() */
|
|
526
|
|
527 peers = ngx_pcalloc(cf->pool, sizeof(ngx_peers_t));
|
|
528 if (peers == NULL) {
|
|
529 return NULL;
|
|
530 }
|
|
531
|
|
532 sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in));
|
|
533 if (sin == NULL) {
|
|
534 return NULL;
|
|
535 }
|
|
536
|
|
537 peers->number = 1;
|
|
538
|
|
539 sin->sin_family = AF_INET;
|
|
540 sin->sin_port = htons(port);
|
|
541 sin->sin_addr.s_addr = in_addr;
|
|
542
|
|
543 peers->peer[0].sockaddr = (struct sockaddr *) sin;
|
|
544 peers->peer[0].socklen = sizeof(struct sockaddr_in);
|
|
545
|
|
546 peers->peer[0].name.data = ngx_palloc(cf->pool,
|
|
547 name->len + sizeof(":65536") - 1);
|
|
548 if (peers->peer[0].name.data == NULL) {
|
|
549 return NULL;
|
|
550 }
|
|
551
|
|
552 peers->peer[0].name.len = ngx_sprintf(peers->peer[0].name.data, "%V:%d",
|
|
553 name, port)
|
|
554 - peers->peer[0].name.data;
|
|
555
|
|
556 peers->peer[0].uri_separator = "";
|
|
557 }
|
|
558
|
|
559 return peers;
|
|
560 }
|
|
561
|
|
562
|
58
|
563 ngx_peers_t *
|
|
564 ngx_inet_upstream_parse(ngx_conf_t *cf, ngx_inet_upstream_t *u)
|
0
|
565 {
|
28
|
566 char *err;
|
|
567 u_char *host;
|
66
|
568 size_t len;
|
28
|
569 in_addr_t in_addr;
|
66
|
570 ngx_uint_t i;
|
28
|
571 ngx_peers_t *peers;
|
|
572 struct hostent *h;
|
|
573 struct sockaddr_in *sin;
|
|
574
|
|
575 err = ngx_inet_parse_host_port(u);
|
|
576
|
|
577 if (err) {
|
|
578 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
579 "%s in upstream \"%V\"", err, &u->name);
|
|
580 return NULL;
|
|
581 }
|
|
582
|
|
583 if (u->default_port) {
|
200
|
584
|
28
|
585 if (u->default_port_value == 0) {
|
|
586 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
587 "no port in upstream \"%V\"", &u->name);
|
|
588 return NULL;
|
|
589 }
|
|
590
|
|
591 u->port = u->default_port_value;
|
|
592
|
50
|
593 u->port_text.data = ngx_palloc(cf->pool, sizeof("65536") - 1);
|
|
594 if (u->port_text.data == NULL) {
|
28
|
595 return NULL;
|
|
596 }
|
|
597
|
|
598 u->port_text.len = ngx_sprintf(u->port_text.data, "%d",
|
|
599 u->default_port_value)
|
|
600 - u->port_text.data;
|
|
601
|
|
602 } else if (u->port) {
|
|
603 if (u->port == u->default_port_value) {
|
|
604 u->default_port = 1;
|
|
605 }
|
|
606
|
|
607 } else {
|
|
608 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
609 "no port in upstream \"%V\"", &u->name);
|
|
610 return NULL;
|
|
611 }
|
|
612
|
|
613 if (u->host.len == 0) {
|
|
614 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
615 "no host in upstream \"%V\"", &u->name);
|
|
616 return NULL;
|
|
617 }
|
|
618
|
|
619 u->port = htons(u->port);
|
|
620
|
200
|
621 host = ngx_palloc(cf->temp_pool, u->host.len + 1);
|
50
|
622 if (host == NULL) {
|
28
|
623 return NULL;
|
|
624 }
|
|
625
|
66
|
626 (void) ngx_cpystrn(host, u->host.data, u->host.len + 1);
|
28
|
627
|
|
628 /* AF_INET only */
|
|
629
|
|
630 in_addr = inet_addr((char *) host);
|
|
631
|
|
632 if (in_addr == INADDR_NONE) {
|
|
633 h = gethostbyname((char *) host);
|
|
634
|
|
635 if (h == NULL || h->h_addr_list[0] == NULL) {
|
|
636 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
637 "host %s is not found in upstream \"%V\"",
|
|
638 host, &u->name);
|
|
639 return NULL;
|
|
640 }
|
|
641
|
|
642 for (i = 0; h->h_addr_list[i] != NULL; i++) { /* void */ }
|
|
643
|
|
644 /* MP: ngx_shared_palloc() */
|
|
645
|
|
646 peers = ngx_pcalloc(cf->pool,
|
|
647 sizeof(ngx_peers_t) + sizeof(ngx_peer_t) * (i - 1));
|
|
648 if (peers == NULL) {
|
|
649 return NULL;
|
|
650 }
|
|
651
|
|
652 peers->number = i;
|
|
653
|
|
654 for (i = 0; h->h_addr_list[i] != NULL; i++) {
|
|
655
|
50
|
656 sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in));
|
|
657 if (sin == NULL) {
|
28
|
658 return NULL;
|
|
659 }
|
|
660
|
|
661 sin->sin_family = AF_INET;
|
|
662 sin->sin_port = u->port;
|
36
|
663 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[i]);
|
28
|
664
|
|
665 peers->peer[i].sockaddr = (struct sockaddr *) sin;
|
|
666 peers->peer[i].socklen = sizeof(struct sockaddr_in);
|
|
667
|
|
668 len = INET_ADDRSTRLEN - 1 + 1 + u->port_text.len;
|
126
|
669
|
50
|
670 peers->peer[i].name.data = ngx_palloc(cf->pool, len);
|
|
671 if (peers->peer[i].name.data == NULL) {
|
28
|
672 return NULL;
|
|
673 }
|
|
674
|
|
675 len = ngx_sock_ntop(AF_INET, (struct sockaddr *) sin,
|
|
676 peers->peer[i].name.data, len);
|
|
677
|
|
678 peers->peer[i].name.data[len++] = ':';
|
0
|
679
|
28
|
680 ngx_memcpy(peers->peer[i].name.data + len,
|
|
681 u->port_text.data, u->port_text.len);
|
|
682
|
|
683 peers->peer[i].name.len = len + u->port_text.len;
|
|
684
|
|
685 peers->peer[i].uri_separator = "";
|
212
|
686
|
|
687 peers->peer[i].weight = NGX_CONF_UNSET_UINT;
|
|
688 peers->peer[i].max_fails = NGX_CONF_UNSET_UINT;
|
|
689 peers->peer[i].fail_timeout = NGX_CONF_UNSET;
|
28
|
690 }
|
|
691
|
|
692 } else {
|
|
693
|
|
694 /* MP: ngx_shared_palloc() */
|
|
695
|
50
|
696 peers = ngx_pcalloc(cf->pool, sizeof(ngx_peers_t));
|
|
697 if (peers == NULL) {
|
28
|
698 return NULL;
|
|
699 }
|
|
700
|
50
|
701 sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in));
|
|
702 if (sin == NULL) {
|
28
|
703 return NULL;
|
|
704 }
|
|
705
|
|
706 peers->number = 1;
|
|
707
|
|
708 sin->sin_family = AF_INET;
|
|
709 sin->sin_port = u->port;
|
|
710 sin->sin_addr.s_addr = in_addr;
|
|
711
|
|
712 peers->peer[0].sockaddr = (struct sockaddr *) sin;
|
|
713 peers->peer[0].socklen = sizeof(struct sockaddr_in);
|
|
714
|
|
715 len = u->host.len + 1 + u->port_text.len;
|
|
716
|
|
717 peers->peer[0].name.len = len;
|
|
718
|
50
|
719 peers->peer[0].name.data = ngx_palloc(cf->pool, len);
|
|
720 if (peers->peer[0].name.data == NULL) {
|
28
|
721 return NULL;
|
|
722 }
|
|
723
|
|
724 len = u->host.len;
|
|
725
|
|
726 ngx_memcpy(peers->peer[0].name.data, u->host.data, len);
|
|
727
|
|
728 peers->peer[0].name.data[len++] = ':';
|
|
729
|
|
730 ngx_memcpy(peers->peer[0].name.data + len,
|
|
731 u->port_text.data, u->port_text.len);
|
|
732
|
|
733 peers->peer[0].uri_separator = "";
|
|
734 }
|
|
735
|
|
736 return peers;
|
|
737 }
|
|
738
|
|
739
|
58
|
740 char *
|
|
741 ngx_inet_parse_host_port(ngx_inet_upstream_t *u)
|
28
|
742 {
|
|
743 size_t i;
|
|
744 ngx_int_t port;
|
|
745 ngx_str_t *url;
|
|
746
|
|
747 url = &u->url;
|
|
748
|
|
749 if (u->port_only) {
|
|
750 i = 0;
|
|
751
|
|
752 } else {
|
|
753 if (url->data[0] == ':' || url->data[0] == '/') {
|
|
754 return "invalid host";
|
|
755 }
|
|
756
|
|
757 i = 1;
|
|
758 }
|
|
759
|
|
760 u->host.data = url->data;
|
|
761 u->host_header = *url;
|
|
762
|
64
|
763 for ( /* void */ ; i < url->len; i++) {
|
28
|
764
|
|
765 if (url->data[i] == ':') {
|
|
766 u->port_text.data = &url->data[i] + 1;
|
|
767 u->host.len = i;
|
|
768
|
|
769 if (!u->uri_part) {
|
|
770 u->port_text.len = &url->data[url->len] - u->port_text.data;
|
|
771 break;
|
|
772 }
|
|
773 }
|
|
774
|
|
775 if (url->data[i] == '/') {
|
|
776 u->uri.data = &url->data[i];
|
|
777 u->uri.len = url->len - i;
|
|
778 u->host_header.len = i;
|
|
779
|
|
780 if (u->host.len == 0) {
|
|
781 u->host.len = i;
|
|
782 }
|
|
783
|
|
784 if (u->port_text.data == NULL) {
|
|
785 u->default_port = 1;
|
|
786 return NULL;
|
|
787 }
|
|
788
|
|
789 u->port_text.len = &url->data[i] - u->port_text.data;
|
|
790
|
|
791 if (u->port_text.len == 0) {
|
|
792 return "invalid port";
|
|
793 }
|
|
794
|
0
|
795 break;
|
|
796 }
|
|
797 }
|
|
798
|
118
|
799 if (u->port_text.data) {
|
|
800
|
|
801 if (u->port_text.len == 0) {
|
|
802 u->port_text.len = &url->data[i] - u->port_text.data;
|
|
803
|
|
804 if (u->port_text.len == 0) {
|
|
805 return "invalid port";
|
|
806 }
|
|
807 }
|
|
808
|
|
809 port = ngx_atoi(u->port_text.data, u->port_text.len);
|
|
810
|
|
811 if (port == NGX_ERROR || port < 1 || port > 65536) {
|
|
812 return "invalid port";
|
|
813 }
|
|
814
|
|
815 } else {
|
28
|
816 port = ngx_atoi(url->data, url->len);
|
|
817
|
|
818 if (port == NGX_ERROR) {
|
|
819 u->default_port = 1;
|
|
820 u->host.len = url->len;
|
|
821
|
|
822 return NULL;
|
|
823 }
|
0
|
824
|
28
|
825 u->port_text = *url;
|
|
826 u->wildcard = 1;
|
0
|
827 }
|
|
828
|
28
|
829 u->port = (in_port_t) port;
|
0
|
830
|
28
|
831 return NULL;
|
0
|
832 }
|