Mercurial > hg > nginx
annotate src/http/modules/proxy/ngx_http_proxy_header.c @ 455:295d97d70c69 release-0.1.2
nginx-0.1.2-RELEASE import
*) Feature: the --user=USER, --group=GROUP, and --with-ld-opt=OPTIONS
options in configure.
*) Feature: the server_name directive supports *.domain.tld.
*) Bugfix: the portability improvements.
*) Bugfix: if configuration file was set in command line, the
reconfiguration was impossible; the bug had appeared in 0.1.1.
*) Bugfix: proxy module may get caught in an endless loop when sendfile
is not used.
*) Bugfix: with sendfile the response was not recoded according to the
charset module directives; the bug had appeared in 0.1.1.
*) Bugfix: very seldom bug in the kqueue processing.
*) Bugfix: the gzip module compressed the proxied responses that was
already compressed.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 21 Oct 2004 15:34:38 +0000 |
| parents | 23fb87bddda1 |
| children | c52408583801 |
| rev | line source |
|---|---|
|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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6 |
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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_http.h> |
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10 #include <ngx_http_proxy_handler.h> |
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11 |
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12 |
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13 static int ngx_http_proxy_rewrite_location_header(ngx_http_proxy_ctx_t *p, |
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14 ngx_table_elt_t *loc); |
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15 |
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16 int ngx_http_proxy_copy_header(ngx_http_proxy_ctx_t *p, |
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17 ngx_http_proxy_headers_in_t *headers_in) |
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18 { |
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19 ngx_uint_t i; |
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20 ngx_list_part_t *part; |
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21 ngx_table_elt_t *ho, *h; |
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22 ngx_http_request_t *r; |
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23 |
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24 r = p->request; |
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25 |
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26 part = &headers_in->headers.part; |
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27 h = part->elts; |
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28 |
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29 #if 0 |
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30 h = headers_in->headers.elts; |
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31 for (i = 0; i < headers_in->headers.nelts; i++) { |
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32 #endif |
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33 |
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34 for (i = 0 ; /* void */; i++) { |
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35 |
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36 if (i >= part->nelts) { |
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37 if (part->next == NULL) { |
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38 break; |
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39 } |
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40 |
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41 part = part->next; |
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42 h = part->elts; |
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43 i = 0; |
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44 } |
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45 |
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46 /* ignore some headers */ |
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47 |
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48 if (&h[i] == headers_in->connection) { |
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49 continue; |
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50 } |
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51 |
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52 if (&h[i] == headers_in->x_pad) { |
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53 continue; |
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54 } |
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55 |
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56 if (p->accel) { |
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57 if (&h[i] == headers_in->date |
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58 || &h[i] == headers_in->accept_ranges) { |
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59 continue; |
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60 } |
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61 |
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62 if (&h[i] == headers_in->x_accel_expires |
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63 && !p->lcf->pass_x_accel_expires) |
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64 { |
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65 continue; |
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66 } |
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67 |
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68 if (&h[i] == headers_in->server && !p->lcf->pass_server) { |
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69 continue; |
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70 } |
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71 |
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72 if (&h[i] == headers_in->location) { |
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73 if (ngx_http_proxy_rewrite_location_header(p, &h[i]) |
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74 == NGX_ERROR) |
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75 { |
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76 return NGX_ERROR; |
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77 } |
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78 |
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79 continue; |
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80 } |
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81 } |
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82 |
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83 |
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84 /* "Content-Type" is handled specially */ |
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85 |
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86 if (&h[i] == headers_in->content_type) { |
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87 r->headers_out.content_type = &h[i]; |
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88 r->headers_out.content_type->key.len = 0; |
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89 continue; |
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90 } |
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91 |
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92 |
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93 /* copy some header pointers and set up r->headers_out */ |
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94 |
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95 if (!(ho = ngx_list_push(&r->headers_out.headers))) { |
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96 return NGX_ERROR; |
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97 } |
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98 |
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99 *ho = h[i]; |
|
208
0b67be7d4489
nginx-0.0.1-2003-12-08-23:48:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
changeset
|
100 |
|
315
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
101 if (&h[i] == headers_in->expires) { |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
102 r->headers_out.expires = ho; |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
103 continue; |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
104 } |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
105 |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
106 if (&h[i] == headers_in->cache_control) { |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
107 r->headers_out.cache_control = ho; |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
108 continue; |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
109 } |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
110 |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
111 if (&h[i] == headers_in->etag) { |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
112 r->headers_out.etag = ho; |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
113 continue; |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
114 } |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
115 |
| 455 | 116 if (&h[i] == headers_in->content_encoding) { |
| 117 r->headers_out.content_encoding = ho; | |
| 118 continue; | |
| 119 } | |
| 120 | |
|
315
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
121 if (&h[i] == headers_in->last_modified) { |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
122 r->headers_out.last_modified = ho; |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
123 /* TODO: update r->headers_out.last_modified_time */ |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
124 continue; |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
125 } |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
126 |
|
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
127 /* |
|
315
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
128 * ngx_http_header_filter() passes the following headers as is |
|
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
129 * and does not handle them specially if they are set: |
|
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
130 * r->headers_out.server, |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
131 * r->headers_out.date, |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
132 * r->headers_out.content_length |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
133 */ |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
134 |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
135 if (&h[i] == headers_in->server) { |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
136 r->headers_out.server = ho; |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
137 continue; |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
138 } |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
139 |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
140 if (&h[i] == headers_in->date) { |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
141 r->headers_out.date = ho; |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
142 continue; |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
143 } |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 if (&h[i] == headers_in->content_length) { |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
146 r->headers_out.content_length = ho; |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
147 r->headers_out.content_length_n = ngx_atoi(ho->value.data, |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 ho->value.len); |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
149 continue; |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
150 } |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
151 } |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
152 |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 return NGX_OK; |
|
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
154 } |
|
190
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
155 |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
156 |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
157 static int ngx_http_proxy_rewrite_location_header(ngx_http_proxy_ctx_t *p, |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
158 ngx_table_elt_t *loc) |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
159 { |
|
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
208
diff
changeset
|
160 u_char *last; |
|
294
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
161 ngx_table_elt_t *location; |
|
190
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
162 ngx_http_request_t *r; |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
163 ngx_http_proxy_upstream_conf_t *uc; |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
164 |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
165 r = p->request; |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
166 uc = p->lcf->upstream; |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
167 |
|
416
b9bd635011de
nginx-0.0.10-2004-09-06-22:45:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
336
diff
changeset
|
168 if (!(location = ngx_list_push(&r->headers_out.headers))) { |
|
190
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
169 return NGX_ERROR; |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
170 } |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
171 |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
172 if (uc->url.len > loc->value.len |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
173 || ngx_rstrncmp(loc->value.data, uc->url.data, uc->url.len) != 0) |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
174 { |
| 452 | 175 |
| 176 /* | |
| 177 * we do not set r->headers_out.location here to avoid the handling | |
| 178 * the local redirects without a host name by ngx_http_header_filter() | |
| 179 */ | |
| 180 | |
|
294
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
181 *location = *loc; |
|
190
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
182 return NGX_OK; |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
183 } |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
184 |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
185 /* TODO: proxy_reverse */ |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
186 |
| 452 | 187 r->headers_out.location = location; |
| 188 | |
| 189 location->key.len = 0; | |
| 190 location->key.data = NULL; | |
| 191 | |
|
294
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
192 location->value.len = uc->location->len |
|
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
193 + (loc->value.len - uc->url.len) + 1; |
|
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
194 if (!(location->value.data = ngx_palloc(r->pool, location->value.len))) { |
|
190
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
195 return NGX_ERROR; |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
196 } |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
197 |
|
294
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
198 last = ngx_cpymem(location->value.data, |
|
190
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
199 uc->location->data, uc->location->len); |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
200 |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
201 ngx_cpystrn(last, loc->value.data + uc->url.len, |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
202 loc->value.len - uc->url.len + 1); |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
203 |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
204 return NGX_OK; |
|
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
205 } |