|
0
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9
|
|
|
10
|
|
457
|
11 #if (NGX_HAVE_INET6)
|
|
|
12 static size_t ngx_inet6_ntop(u_char *p, u_char *text, size_t len);
|
|
|
13 #endif
|
|
406
|
14 static ngx_int_t ngx_parse_unix_domain_url(ngx_pool_t *pool, ngx_url_t *u);
|
|
|
15 static ngx_int_t ngx_parse_inet_url(ngx_pool_t *pool, ngx_url_t *u);
|
|
457
|
16 static ngx_int_t ngx_parse_inet6_url(ngx_pool_t *pool, ngx_url_t *u);
|
|
362
|
17
|
|
348
|
18
|
|
|
19 in_addr_t
|
|
|
20 ngx_inet_addr(u_char *text, size_t len)
|
|
|
21 {
|
|
|
22 u_char *p, c;
|
|
|
23 in_addr_t addr;
|
|
|
24 ngx_uint_t octet, n;
|
|
|
25
|
|
|
26 addr = 0;
|
|
|
27 octet = 0;
|
|
|
28 n = 0;
|
|
|
29
|
|
|
30 for (p = text; p < text + len; p++) {
|
|
|
31
|
|
|
32 c = *p;
|
|
|
33
|
|
|
34 if (c >= '0' && c <= '9') {
|
|
|
35 octet = octet * 10 + (c - '0');
|
|
|
36 continue;
|
|
|
37 }
|
|
|
38
|
|
|
39 if (c == '.' && octet < 256) {
|
|
|
40 addr = (addr << 8) + octet;
|
|
|
41 octet = 0;
|
|
|
42 n++;
|
|
|
43 continue;
|
|
|
44 }
|
|
|
45
|
|
|
46 return INADDR_NONE;
|
|
|
47 }
|
|
|
48
|
|
|
49 if (n != 3) {
|
|
|
50 return INADDR_NONE;
|
|
|
51 }
|
|
|
52
|
|
|
53 if (octet < 256) {
|
|
|
54 addr = (addr << 8) + octet;
|
|
|
55 return htonl(addr);
|
|
|
56 }
|
|
|
57
|
|
|
58 return INADDR_NONE;
|
|
|
59 }
|
|
|
60
|
|
|
61
|
|
58
|
62 size_t
|
|
457
|
63 ngx_sock_ntop(struct sockaddr *sa, u_char *text, size_t len, ngx_uint_t port)
|
|
0
|
64 {
|
|
457
|
65 u_char *p;
|
|
|
66 struct sockaddr_in *sin;
|
|
|
67 #if (NGX_HAVE_INET6)
|
|
|
68 size_t n;
|
|
|
69 struct sockaddr_in6 *sin6;
|
|
|
70 #endif
|
|
0
|
71
|
|
457
|
72 switch (sa->sa_family) {
|
|
|
73
|
|
|
74 case AF_INET:
|
|
0
|
75
|
|
406
|
76 sin = (struct sockaddr_in *) sa;
|
|
|
77 p = (u_char *) &sin->sin_addr;
|
|
0
|
78
|
|
457
|
79 if (port) {
|
|
|
80 p = ngx_snprintf(text, len, "%ud.%ud.%ud.%ud:%d",
|
|
|
81 p[0], p[1], p[2], p[3], ntohs(sin->sin_port));
|
|
|
82 } else {
|
|
|
83 p = ngx_snprintf(text, len, "%ud.%ud.%ud.%ud",
|
|
|
84 p[0], p[1], p[2], p[3]);
|
|
|
85 }
|
|
|
86
|
|
|
87 return (p - text);
|
|
|
88
|
|
|
89 #if (NGX_HAVE_INET6)
|
|
|
90
|
|
|
91 case AF_INET6:
|
|
|
92
|
|
|
93 sin6 = (struct sockaddr_in6 *) sa;
|
|
|
94
|
|
|
95 n = 0;
|
|
|
96
|
|
|
97 if (port) {
|
|
|
98 text[n++] = '[';
|
|
|
99 }
|
|
|
100
|
|
|
101 n = ngx_inet6_ntop((u_char *) &sin6->sin6_addr, &text[n], len);
|
|
|
102
|
|
|
103 if (port) {
|
|
|
104 n = ngx_sprintf(&text[1 + n], "]:%d",
|
|
|
105 ntohs(sin6->sin6_port)) - text;
|
|
|
106 }
|
|
|
107
|
|
|
108 return n;
|
|
|
109 #endif
|
|
|
110
|
|
|
111 default:
|
|
|
112 return 0;
|
|
0
|
113 }
|
|
|
114 }
|
|
|
115
|
|
362
|
116
|
|
58
|
117 size_t
|
|
|
118 ngx_inet_ntop(int family, void *addr, u_char *text, size_t len)
|
|
0
|
119 {
|
|
406
|
120 u_char *p;
|
|
0
|
121
|
|
457
|
122 switch (family) {
|
|
0
|
123
|
|
457
|
124 case AF_INET:
|
|
|
125
|
|
|
126 p = addr;
|
|
0
|
127
|
|
406
|
128 return ngx_snprintf(text, len, "%ud.%ud.%ud.%ud",
|
|
|
129 p[0], p[1], p[2], p[3])
|
|
|
130 - text;
|
|
457
|
131
|
|
|
132 #if (NGX_HAVE_INET6)
|
|
|
133
|
|
|
134 case AF_INET6:
|
|
|
135 return ngx_inet6_ntop(addr, text, len);
|
|
|
136
|
|
|
137 #endif
|
|
|
138
|
|
|
139 default:
|
|
|
140 return 0;
|
|
|
141 }
|
|
|
142 }
|
|
|
143
|
|
|
144
|
|
|
145 #if (NGX_HAVE_INET6)
|
|
|
146
|
|
|
147 static size_t
|
|
|
148 ngx_inet6_ntop(u_char *p, u_char *text, size_t len)
|
|
|
149 {
|
|
|
150 u_char *dst;
|
|
|
151 size_t max, n;
|
|
|
152 ngx_uint_t i, zero, last;
|
|
|
153
|
|
|
154 if (len < NGX_INET6_ADDRSTRLEN) {
|
|
|
155 return 0;
|
|
0
|
156 }
|
|
|
157
|
|
457
|
158 zero = (ngx_uint_t) -1;
|
|
|
159 last = (ngx_uint_t) -1;
|
|
|
160 max = 1;
|
|
|
161 n = 0;
|
|
|
162
|
|
|
163 for (i = 0; i < 16; i += 2) {
|
|
|
164
|
|
|
165 if (p[i] || p[i + 1]) {
|
|
|
166
|
|
|
167 if (max < n) {
|
|
|
168 zero = last;
|
|
|
169 max = n;
|
|
|
170 }
|
|
|
171
|
|
|
172 n = 0;
|
|
|
173 continue;
|
|
|
174 }
|
|
|
175
|
|
|
176 if (n++ == 0) {
|
|
|
177 last = i;
|
|
|
178 }
|
|
|
179 }
|
|
|
180
|
|
|
181 if (max < n) {
|
|
|
182 zero = last;
|
|
|
183 max = n;
|
|
|
184 }
|
|
|
185
|
|
|
186 dst = text;
|
|
|
187 n = 16;
|
|
|
188
|
|
|
189 if (zero == 0) {
|
|
|
190
|
|
|
191 if ((max == 5 && p[10] == 0xff && p[11] == 0xff)
|
|
|
192 || (max == 6)
|
|
|
193 || (max == 7 && p[14] != 0 && p[15] != 1))
|
|
|
194 {
|
|
|
195 n = 12;
|
|
|
196 }
|
|
|
197
|
|
|
198 *dst++ = ':';
|
|
|
199 }
|
|
|
200
|
|
|
201 for (i = 0; i < n; i += 2) {
|
|
|
202
|
|
|
203 if (i == zero) {
|
|
|
204 *dst++ = ':';
|
|
|
205 i += (max - 1) * 2;
|
|
|
206 continue;
|
|
|
207 }
|
|
|
208
|
|
|
209 dst = ngx_sprintf(dst, "%uxi", p[i] * 256 + p[i + 1]);
|
|
|
210
|
|
|
211 if (i < 14) {
|
|
|
212 *dst++ = ':';
|
|
|
213 }
|
|
|
214 }
|
|
|
215
|
|
|
216 if (n == 12) {
|
|
|
217 dst = ngx_sprintf(dst, "%ud.%ud.%ud.%ud", p[12], p[13], p[14], p[15]);
|
|
|
218 }
|
|
|
219
|
|
|
220 return dst - text;
|
|
362
|
221 }
|
|
|
222
|
|
457
|
223 #endif
|
|
|
224
|
|
362
|
225
|
|
0
|
226 /* AF_INET only */
|
|
|
227
|
|
58
|
228 ngx_int_t
|
|
463
|
229 ngx_ptocidr(ngx_str_t *text, ngx_cidr_t *cidr)
|
|
0
|
230 {
|
|
463
|
231 u_char *addr, *mask, *last;
|
|
|
232 ngx_int_t shift;
|
|
0
|
233
|
|
406
|
234 addr = text->data;
|
|
|
235 last = addr + text->len;
|
|
0
|
236
|
|
406
|
237 mask = ngx_strlchr(addr, last, '/');
|
|
0
|
238
|
|
463
|
239 cidr->u.in.addr = ngx_inet_addr(addr, (mask ? mask : last) - addr);
|
|
406
|
240
|
|
463
|
241 if (cidr->u.in.addr == INADDR_NONE) {
|
|
0
|
242 return NGX_ERROR;
|
|
|
243 }
|
|
|
244
|
|
406
|
245 if (mask == NULL) {
|
|
463
|
246 cidr->family = AF_INET;
|
|
|
247 cidr->u.in.mask = 0xffffffff;
|
|
406
|
248 return NGX_OK;
|
|
|
249 }
|
|
|
250
|
|
|
251 mask++;
|
|
|
252
|
|
|
253 shift = ngx_atoi(mask, last - mask);
|
|
|
254 if (shift == NGX_ERROR) {
|
|
0
|
255 return NGX_ERROR;
|
|
|
256 }
|
|
|
257
|
|
463
|
258 cidr->family = AF_INET;
|
|
|
259
|
|
406
|
260 if (shift == 0) {
|
|
0
|
261
|
|
|
262 /* the x86 compilers use the shl instruction that shifts by modulo 32 */
|
|
|
263
|
|
463
|
264 cidr->u.in.mask = 0;
|
|
406
|
265
|
|
463
|
266 if (cidr->u.in.addr == 0) {
|
|
406
|
267 return NGX_OK;
|
|
|
268 }
|
|
|
269
|
|
|
270 return NGX_DONE;
|
|
0
|
271 }
|
|
|
272
|
|
463
|
273 cidr->u.in.mask = htonl((ngx_uint_t) (0 - (1 << (32 - shift))));
|
|
0
|
274
|
|
463
|
275 if (cidr->u.in.addr == (cidr->u.in.addr & cidr->u.in.mask)) {
|
|
326
|
276 return NGX_OK;
|
|
|
277 }
|
|
|
278
|
|
463
|
279 cidr->u.in.addr &= cidr->u.in.mask;
|
|
326
|
280
|
|
|
281 return NGX_DONE;
|
|
0
|
282 }
|
|
|
283
|
|
|
284
|
|
200
|
285 ngx_int_t
|
|
340
|
286 ngx_parse_url(ngx_pool_t *pool, ngx_url_t *u)
|
|
200
|
287 {
|
|
406
|
288 u_char *p;
|
|
200
|
289
|
|
|
290 p = u->url.data;
|
|
|
291
|
|
286
|
292 if (ngx_strncasecmp(p, (u_char *) "unix:", 5) == 0) {
|
|
406
|
293 return ngx_parse_unix_domain_url(pool, u);
|
|
200
|
294 }
|
|
|
295
|
|
|
296 if ((p[0] == ':' || p[0] == '/') && !u->listen) {
|
|
|
297 u->err = "invalid host";
|
|
|
298 return NGX_ERROR;
|
|
|
299 }
|
|
|
300
|
|
457
|
301 if (p[0] == '[') {
|
|
|
302 return ngx_parse_inet6_url(pool, u);
|
|
|
303 }
|
|
|
304
|
|
406
|
305 return ngx_parse_inet_url(pool, u);
|
|
|
306 }
|
|
266
|
307
|
|
200
|
308
|
|
406
|
309 static ngx_int_t
|
|
|
310 ngx_parse_unix_domain_url(ngx_pool_t *pool, ngx_url_t *u)
|
|
|
311 {
|
|
|
312 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
313 u_char *path, *uri, *last;
|
|
|
314 size_t len;
|
|
|
315 struct sockaddr_un *saun;
|
|
200
|
316
|
|
406
|
317 len = u->url.len;
|
|
|
318 path = u->url.data;
|
|
200
|
319
|
|
406
|
320 path += 5;
|
|
|
321 len -= 5;
|
|
|
322
|
|
|
323 if (u->uri_part) {
|
|
200
|
324
|
|
406
|
325 last = path + len;
|
|
|
326 uri = ngx_strlchr(path, last, ':');
|
|
200
|
327
|
|
406
|
328 if (uri) {
|
|
|
329 len = uri - path;
|
|
|
330 uri++;
|
|
|
331 u->uri.len = last - uri;
|
|
|
332 u->uri.data = uri;
|
|
200
|
333 }
|
|
|
334 }
|
|
|
335
|
|
406
|
336 if (len == 0) {
|
|
|
337 u->err = "no path in the unix domain socket";
|
|
|
338 return NGX_ERROR;
|
|
|
339 }
|
|
|
340
|
|
|
341 u->host.len = len++;
|
|
|
342 u->host.data = path;
|
|
|
343
|
|
|
344 if (len > sizeof(saun->sun_path)) {
|
|
|
345 u->err = "too long path in the unix domain socket";
|
|
|
346 return NGX_ERROR;
|
|
|
347 }
|
|
200
|
348
|
|
457
|
349 u->socklen = sizeof(struct sockaddr_un);
|
|
|
350 saun = (struct sockaddr_un *) &u->sockaddr;
|
|
|
351 saun->sun_family = AF_UNIX;
|
|
|
352 (void) ngx_cpystrn((u_char *) saun->sun_path, path, len);
|
|
|
353
|
|
406
|
354 u->addrs = ngx_pcalloc(pool, sizeof(ngx_peer_addr_t));
|
|
|
355 if (u->addrs == NULL) {
|
|
|
356 return NGX_ERROR;
|
|
|
357 }
|
|
|
358
|
|
|
359 saun = ngx_pcalloc(pool, sizeof(struct sockaddr_un));
|
|
|
360 if (saun == NULL) {
|
|
|
361 return NGX_ERROR;
|
|
|
362 }
|
|
|
363
|
|
457
|
364 u->family = AF_UNIX;
|
|
406
|
365 u->naddrs = 1;
|
|
|
366
|
|
|
367 saun->sun_family = AF_UNIX;
|
|
|
368 (void) ngx_cpystrn((u_char *) saun->sun_path, path, len);
|
|
|
369
|
|
|
370 u->addrs[0].sockaddr = (struct sockaddr *) saun;
|
|
|
371 u->addrs[0].socklen = sizeof(struct sockaddr_un);
|
|
|
372 u->addrs[0].name.len = len + 4;
|
|
|
373 u->addrs[0].name.data = u->url.data;
|
|
200
|
374
|
|
406
|
375 return NGX_OK;
|
|
|
376
|
|
|
377 #else
|
|
|
378
|
|
|
379 u->err = "the unix domain sockets are not supported on this platform";
|
|
|
380
|
|
|
381 return NGX_ERROR;
|
|
|
382
|
|
|
383 #endif
|
|
|
384 }
|
|
|
385
|
|
|
386
|
|
|
387 static ngx_int_t
|
|
|
388 ngx_parse_inet_url(ngx_pool_t *pool, ngx_url_t *u)
|
|
|
389 {
|
|
457
|
390 u_char *p, *host, *port, *last, *uri, *args;
|
|
|
391 size_t len;
|
|
|
392 ngx_int_t n;
|
|
|
393 struct hostent *h;
|
|
|
394 struct sockaddr_in *sin;
|
|
|
395
|
|
|
396 u->socklen = sizeof(struct sockaddr_in);
|
|
|
397 sin = (struct sockaddr_in *) &u->sockaddr;
|
|
|
398 sin->sin_family = AF_INET;
|
|
406
|
399
|
|
|
400 u->family = AF_INET;
|
|
|
401
|
|
|
402 host = u->url.data;
|
|
|
403
|
|
|
404 last = host + u->url.len;
|
|
|
405
|
|
|
406 port = ngx_strlchr(host, last, ':');
|
|
|
407
|
|
425
|
408 uri = ngx_strlchr(host, last, '/');
|
|
|
409
|
|
|
410 args = ngx_strlchr(host, last, '?');
|
|
|
411
|
|
|
412 if (args) {
|
|
|
413 if (uri == NULL) {
|
|
|
414 uri = args;
|
|
|
415
|
|
|
416 } else if (args < uri) {
|
|
|
417 uri = args;
|
|
|
418 }
|
|
|
419 }
|
|
406
|
420
|
|
|
421 if (uri) {
|
|
|
422 if (u->listen || !u->uri_part) {
|
|
|
423 u->err = "invalid host";
|
|
|
424 return NGX_ERROR;
|
|
200
|
425 }
|
|
|
426
|
|
406
|
427 u->uri.len = last - uri;
|
|
|
428 u->uri.data = uri;
|
|
|
429
|
|
|
430 last = uri;
|
|
425
|
431
|
|
|
432 if (uri < port) {
|
|
|
433 port = NULL;
|
|
427
|
434 }
|
|
406
|
435 }
|
|
200
|
436
|
|
406
|
437 if (port) {
|
|
|
438 port++;
|
|
|
439
|
|
|
440 len = last - port;
|
|
|
441
|
|
|
442 if (len == 0) {
|
|
200
|
443 u->err = "invalid port";
|
|
|
444 return NGX_ERROR;
|
|
|
445 }
|
|
|
446
|
|
406
|
447 n = ngx_atoi(port, len);
|
|
200
|
448
|
|
406
|
449 if (n < 1 || n > 65536) {
|
|
|
450 u->err = "invalid port";
|
|
|
451 return NGX_ERROR;
|
|
252
|
452 }
|
|
|
453
|
|
406
|
454 u->port = (in_port_t) n;
|
|
457
|
455 sin->sin_port = htons((in_port_t) n);
|
|
252
|
456
|
|
406
|
457 u->port_text.len = len;
|
|
|
458 u->port_text.data = port;
|
|
|
459
|
|
|
460 last = port - 1;
|
|
252
|
461
|
|
406
|
462 } else {
|
|
|
463 if (uri == NULL) {
|
|
252
|
464
|
|
406
|
465 if (u->listen) {
|
|
252
|
466
|
|
406
|
467 /* test value as port only */
|
|
|
468
|
|
|
469 n = ngx_atoi(host, last - host);
|
|
252
|
470
|
|
406
|
471 if (n != NGX_ERROR) {
|
|
|
472
|
|
|
473 if (n < 1 || n > 65536) {
|
|
|
474 u->err = "invalid port";
|
|
|
475 return NGX_ERROR;
|
|
|
476 }
|
|
252
|
477
|
|
406
|
478 u->port = (in_port_t) n;
|
|
457
|
479 sin->sin_port = htons((in_port_t) n);
|
|
406
|
480
|
|
|
481 u->port_text.len = last - host;
|
|
|
482 u->port_text.data = host;
|
|
|
483
|
|
457
|
484 u->wildcard = 1;
|
|
|
485
|
|
406
|
486 return NGX_OK;
|
|
252
|
487 }
|
|
|
488 }
|
|
|
489 }
|
|
|
490
|
|
406
|
491 u->no_port = 1;
|
|
200
|
492 }
|
|
|
493
|
|
406
|
494 len = last - host;
|
|
|
495
|
|
|
496 if (len == 0) {
|
|
200
|
497 u->err = "no host";
|
|
|
498 return NGX_ERROR;
|
|
|
499 }
|
|
|
500
|
|
406
|
501 if (len == 1 && *host == '*') {
|
|
|
502 len = 0;
|
|
|
503 }
|
|
|
504
|
|
|
505 u->host.len = len;
|
|
|
506 u->host.data = host;
|
|
|
507
|
|
260
|
508 if (u->no_resolve) {
|
|
|
509 return NGX_OK;
|
|
200
|
510 }
|
|
|
511
|
|
406
|
512 if (len++) {
|
|
|
513
|
|
|
514 p = ngx_alloc(len, pool->log);
|
|
|
515 if (p == NULL) {
|
|
|
516 return NGX_ERROR;
|
|
|
517 }
|
|
|
518
|
|
|
519 (void) ngx_cpystrn(p, host, len);
|
|
|
520
|
|
457
|
521 sin->sin_addr.s_addr = inet_addr((const char *) p);
|
|
406
|
522
|
|
457
|
523 if (sin->sin_addr.s_addr == INADDR_NONE) {
|
|
406
|
524 h = gethostbyname((const char *) p);
|
|
|
525
|
|
|
526 if (h == NULL || h->h_addr_list[0] == NULL) {
|
|
|
527 ngx_free(p);
|
|
|
528 u->err = "host not found";
|
|
|
529 return NGX_ERROR;
|
|
|
530 }
|
|
|
531
|
|
457
|
532 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[0]);
|
|
|
533 }
|
|
|
534
|
|
|
535 if (sin->sin_addr.s_addr == INADDR_ANY) {
|
|
|
536 u->wildcard = 1;
|
|
406
|
537 }
|
|
|
538
|
|
|
539 ngx_free(p);
|
|
|
540
|
|
|
541 } else {
|
|
457
|
542 sin->sin_addr.s_addr = INADDR_ANY;
|
|
|
543 u->wildcard = 1;
|
|
406
|
544 }
|
|
|
545
|
|
266
|
546 if (u->no_port) {
|
|
|
547 u->port = u->default_port;
|
|
457
|
548 sin->sin_port = htons(u->default_port);
|
|
266
|
549 }
|
|
|
550
|
|
406
|
551 if (u->listen) {
|
|
|
552 return NGX_OK;
|
|
266
|
553 }
|
|
|
554
|
|
340
|
555 if (ngx_inet_resolve_host(pool, u) != NGX_OK) {
|
|
200
|
556 return NGX_ERROR;
|
|
|
557 }
|
|
|
558
|
|
|
559 return NGX_OK;
|
|
|
560 }
|
|
|
561
|
|
|
562
|
|
457
|
563 static ngx_int_t
|
|
|
564 ngx_parse_inet6_url(ngx_pool_t *pool, ngx_url_t *u)
|
|
|
565 {
|
|
|
566 #if (NGX_HAVE_INET6)
|
|
|
567 int rc;
|
|
|
568 u_char *p, *host, *port, *last, *uri;
|
|
|
569 size_t len;
|
|
|
570 ngx_int_t n;
|
|
|
571 struct sockaddr_in6 *sin6;
|
|
|
572
|
|
|
573 u->socklen = sizeof(struct sockaddr_in6);
|
|
|
574 sin6 = (struct sockaddr_in6 *) &u->sockaddr;
|
|
|
575 sin6->sin6_family = AF_INET6;
|
|
|
576
|
|
|
577 host = u->url.data + 1;
|
|
|
578
|
|
|
579 last = u->url.data + u->url.len;
|
|
|
580
|
|
|
581 p = ngx_strlchr(host, last, ']');
|
|
|
582
|
|
|
583 if (p == NULL) {
|
|
|
584 u->err = "invalid host";
|
|
|
585 return NGX_ERROR;
|
|
|
586 }
|
|
|
587
|
|
|
588 if (last - p) {
|
|
|
589
|
|
|
590 port = p + 1;
|
|
|
591
|
|
|
592 uri = ngx_strlchr(port, last, '/');
|
|
|
593
|
|
|
594 if (uri) {
|
|
|
595 if (u->listen || !u->uri_part) {
|
|
|
596 u->err = "invalid host";
|
|
|
597 return NGX_ERROR;
|
|
|
598 }
|
|
|
599
|
|
|
600 u->uri.len = last - uri;
|
|
|
601 u->uri.data = uri;
|
|
|
602 }
|
|
|
603
|
|
|
604 if (*port == ':') {
|
|
|
605 port++;
|
|
|
606
|
|
|
607 len = last - port;
|
|
|
608
|
|
|
609 if (len == 0) {
|
|
|
610 u->err = "invalid port";
|
|
|
611 return NGX_ERROR;
|
|
|
612 }
|
|
|
613
|
|
|
614 n = ngx_atoi(port, len);
|
|
|
615
|
|
|
616 if (n < 1 || n > 65536) {
|
|
|
617 u->err = "invalid port";
|
|
|
618 return NGX_ERROR;
|
|
|
619 }
|
|
|
620
|
|
|
621 u->port = (in_port_t) n;
|
|
|
622 sin6->sin6_port = htons((in_port_t) n);
|
|
|
623
|
|
|
624 u->port_text.len = len;
|
|
|
625 u->port_text.data = port;
|
|
|
626
|
|
|
627 } else {
|
|
|
628 u->no_port = 1;
|
|
|
629 }
|
|
|
630 }
|
|
|
631
|
|
|
632 len = p - host;
|
|
|
633
|
|
|
634 if (len == 0) {
|
|
|
635 u->err = "no host";
|
|
|
636 return NGX_ERROR;
|
|
|
637 }
|
|
|
638
|
|
|
639 u->host.len = len++;
|
|
|
640 u->host.data = host;
|
|
|
641
|
|
|
642 p = ngx_alloc(len, pool->log);
|
|
|
643 if (p == NULL) {
|
|
|
644 return NGX_ERROR;
|
|
|
645 }
|
|
|
646
|
|
|
647 (void) ngx_cpystrn(p, host, len);
|
|
|
648
|
|
497
|
649 #if (NGX_WIN32)
|
|
|
650
|
|
|
651 rc = WSAStringToAddress((char *) p, AF_INET6, NULL,
|
|
|
652 (SOCKADDR *) sin6, &u->socklen);
|
|
|
653 rc = !rc;
|
|
|
654
|
|
|
655 if (u->port) {
|
|
|
656 sin6->sin6_port = htons(u->port);
|
|
|
657 }
|
|
|
658
|
|
|
659 #else
|
|
|
660
|
|
457
|
661 rc = inet_pton(AF_INET6, (const char *) p, &sin6->sin6_addr);
|
|
|
662
|
|
497
|
663 #endif
|
|
|
664
|
|
457
|
665 ngx_free(p);
|
|
|
666
|
|
|
667 if (rc == 0) {
|
|
|
668 u->err = "invalid IPv6 address";
|
|
|
669 return NGX_ERROR;
|
|
|
670 }
|
|
|
671
|
|
|
672 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
|
|
|
673 u->wildcard = 1;
|
|
|
674 }
|
|
|
675
|
|
|
676 u->family = AF_INET6;
|
|
|
677
|
|
|
678 if (u->no_resolve) {
|
|
|
679 return NGX_OK;
|
|
|
680 }
|
|
|
681
|
|
|
682 if (u->no_port) {
|
|
|
683 u->port = u->default_port;
|
|
|
684 sin6->sin6_port = htons(u->default_port);
|
|
|
685 }
|
|
|
686
|
|
|
687 return NGX_OK;
|
|
|
688
|
|
|
689 #else
|
|
|
690
|
|
|
691 u->err = "the INET6 sockets are not supported on this platform";
|
|
|
692
|
|
|
693 return NGX_ERROR;
|
|
|
694
|
|
|
695 #endif
|
|
|
696 }
|
|
|
697
|
|
|
698
|
|
260
|
699 ngx_int_t
|
|
340
|
700 ngx_inet_resolve_host(ngx_pool_t *pool, ngx_url_t *u)
|
|
200
|
701 {
|
|
266
|
702 u_char *p, *host;
|
|
200
|
703 size_t len;
|
|
457
|
704 in_port_t port;
|
|
200
|
705 in_addr_t in_addr;
|
|
|
706 ngx_uint_t i;
|
|
|
707 struct hostent *h;
|
|
|
708 struct sockaddr_in *sin;
|
|
|
709
|
|
340
|
710 host = ngx_alloc(u->host.len + 1, pool->log);
|
|
200
|
711 if (host == NULL) {
|
|
260
|
712 return NGX_ERROR;
|
|
200
|
713 }
|
|
|
714
|
|
260
|
715 (void) ngx_cpystrn(host, u->host.data, u->host.len + 1);
|
|
200
|
716
|
|
|
717 /* AF_INET only */
|
|
|
718
|
|
459
|
719 port = htons(u->port);
|
|
457
|
720
|
|
200
|
721 in_addr = inet_addr((char *) host);
|
|
|
722
|
|
|
723 if (in_addr == INADDR_NONE) {
|
|
|
724 h = gethostbyname((char *) host);
|
|
|
725
|
|
340
|
726 ngx_free(host);
|
|
|
727
|
|
200
|
728 if (h == NULL || h->h_addr_list[0] == NULL) {
|
|
260
|
729 u->err = "host not found";
|
|
|
730 return NGX_ERROR;
|
|
200
|
731 }
|
|
|
732
|
|
260
|
733 if (u->one_addr == 0) {
|
|
|
734 for (i = 0; h->h_addr_list[i] != NULL; i++) { /* void */ }
|
|
|
735
|
|
|
736 } else {
|
|
|
737 i = 1;
|
|
|
738 }
|
|
200
|
739
|
|
|
740 /* MP: ngx_shared_palloc() */
|
|
|
741
|
|
340
|
742 u->addrs = ngx_pcalloc(pool, i * sizeof(ngx_peer_addr_t));
|
|
260
|
743 if (u->addrs == NULL) {
|
|
|
744 return NGX_ERROR;
|
|
200
|
745 }
|
|
|
746
|
|
260
|
747 u->naddrs = i;
|
|
200
|
748
|
|
|
749 for (i = 0; h->h_addr_list[i] != NULL; i++) {
|
|
|
750
|
|
340
|
751 sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in));
|
|
200
|
752 if (sin == NULL) {
|
|
260
|
753 return NGX_ERROR;
|
|
200
|
754 }
|
|
|
755
|
|
|
756 sin->sin_family = AF_INET;
|
|
457
|
757 sin->sin_port = port;
|
|
200
|
758 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[i]);
|
|
|
759
|
|
260
|
760 u->addrs[i].sockaddr = (struct sockaddr *) sin;
|
|
|
761 u->addrs[i].socklen = sizeof(struct sockaddr_in);
|
|
200
|
762
|
|
457
|
763 len = NGX_INET_ADDRSTRLEN + sizeof(":65535") - 1;
|
|
200
|
764
|
|
382
|
765 p = ngx_pnalloc(pool, len);
|
|
266
|
766 if (p == NULL) {
|
|
260
|
767 return NGX_ERROR;
|
|
200
|
768 }
|
|
|
769
|
|
457
|
770 len = ngx_sock_ntop((struct sockaddr *) sin, p, len, 1);
|
|
200
|
771
|
|
457
|
772 u->addrs[i].name.len = len;
|
|
266
|
773 u->addrs[i].name.data = p;
|
|
200
|
774 }
|
|
|
775
|
|
|
776 } else {
|
|
|
777
|
|
340
|
778 ngx_free(host);
|
|
|
779
|
|
200
|
780 /* MP: ngx_shared_palloc() */
|
|
|
781
|
|
340
|
782 u->addrs = ngx_pcalloc(pool, sizeof(ngx_peer_addr_t));
|
|
260
|
783 if (u->addrs == NULL) {
|
|
|
784 return NGX_ERROR;
|
|
200
|
785 }
|
|
|
786
|
|
340
|
787 sin = ngx_pcalloc(pool, sizeof(struct sockaddr_in));
|
|
200
|
788 if (sin == NULL) {
|
|
260
|
789 return NGX_ERROR;
|
|
200
|
790 }
|
|
|
791
|
|
260
|
792 u->naddrs = 1;
|
|
200
|
793
|
|
|
794 sin->sin_family = AF_INET;
|
|
457
|
795 sin->sin_port = port;
|
|
200
|
796 sin->sin_addr.s_addr = in_addr;
|
|
|
797
|
|
260
|
798 u->addrs[0].sockaddr = (struct sockaddr *) sin;
|
|
|
799 u->addrs[0].socklen = sizeof(struct sockaddr_in);
|
|
200
|
800
|
|
457
|
801 p = ngx_pnalloc(pool, u->host.len + sizeof(":65535") - 1);
|
|
266
|
802 if (p == NULL) {
|
|
260
|
803 return NGX_ERROR;
|
|
200
|
804 }
|
|
|
805
|
|
457
|
806 u->addrs[0].name.len = ngx_sprintf(p, "%V:%d",
|
|
|
807 &u->host, ntohs(port)) - p;
|
|
266
|
808 u->addrs[0].name.data = p;
|
|
200
|
809 }
|
|
|
810
|
|
260
|
811 return NGX_OK;
|
|
200
|
812 }
|
