Mercurial > hg > nginx

annotate src/http/modules/proxy/ngx_http_proxy_header.c @ 315:39b6f2df45c0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.3-2004-04-14-21:44:28 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 14 Apr 2004 17:44:28 +0000
parents 5cfd65b8b0a7
children ca9a7f8c86da
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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1
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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2 #include <ngx_config.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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3 #include <ngx_core.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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4 #include <ngx_http.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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5 #include <ngx_http_proxy_handler.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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6
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7
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8 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
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9 ngx_table_elt_t *loc);
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10
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11 int ngx_http_proxy_copy_header(ngx_http_proxy_ctx_t *p,
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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12 ngx_http_proxy_headers_in_t *headers_in)
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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13 {
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87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
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14 ngx_uint_t i;
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15 ngx_table_elt_t *ho, *h;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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16 ngx_http_request_t *r;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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17
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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18 r = p->request;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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19
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5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
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20 h = headers_in->headers.elts;
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
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21 for (i = 0; i < headers_in->headers.nelts; i++) {
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22
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23 /* ignore some headers */
39b6f2df45c0 nginx-0.0.3-2004-04-14-21:44:28 import
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24
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25 if (&h[i] == headers_in->connection) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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26 continue;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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27 }
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28
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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29 if (p->accel) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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30 if (&h[i] == headers_in->date
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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31 || &h[i] == headers_in->accept_ranges) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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32 continue;
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33 }
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caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
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34
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35 if (&h[i] == headers_in->x_accel_expires
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
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36 && !p->lcf->pass_x_accel_expires)
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
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37 {
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38 continue;
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39 }
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40
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41 if (&h[i] == headers_in->server && !p->lcf->pass_server) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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42 continue;
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43 }
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44
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02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
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45 if (&h[i] == headers_in->location) {
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
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46 if (ngx_http_proxy_rewrite_location_header(p, &h[i])
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
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47 == NGX_ERROR)
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
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48 {
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
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49 return NGX_ERROR;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
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50 }
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51
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52 continue;
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53 }
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54 }
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39b6f2df45c0 nginx-0.0.3-2004-04-14-21:44:28 import
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57 /* "Content-Type" is handled specially */
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58
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59 if (&h[i] == headers_in->content_type) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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60 r->headers_out.content_type = &h[i];
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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61 r->headers_out.content_type->key.len = 0;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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62 continue;
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63 }
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66 /* copy some header pointers and set up r->headers_out */
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67
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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68 if (!(ho = ngx_http_add_header(&r->headers_out, ngx_http_headers_out)))
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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69 {
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70 return NGX_ERROR;
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71 }
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72
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73 *ho = h[i];
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74
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75 if (&h[i] == headers_in->expires) {
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76 r->headers_out.expires = ho;
39b6f2df45c0 nginx-0.0.3-2004-04-14-21:44:28 import
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77 continue;
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78 }
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79
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80 if (&h[i] == headers_in->cache_control) {
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81 r->headers_out.cache_control = ho;
39b6f2df45c0 nginx-0.0.3-2004-04-14-21:44:28 import
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82 continue;
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83 }
39b6f2df45c0 nginx-0.0.3-2004-04-14-21:44:28 import
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84
39b6f2df45c0 nginx-0.0.3-2004-04-14-21:44:28 import
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85 if (&h[i] == headers_in->etag) {
39b6f2df45c0 nginx-0.0.3-2004-04-14-21:44:28 import
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86 r->headers_out.etag = ho;
39b6f2df45c0 nginx-0.0.3-2004-04-14-21:44:28 import
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87 continue;
39b6f2df45c0 nginx-0.0.3-2004-04-14-21:44:28 import
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88 }
39b6f2df45c0 nginx-0.0.3-2004-04-14-21:44:28 import
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89
39b6f2df45c0 nginx-0.0.3-2004-04-14-21:44:28 import
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90 if (&h[i] == headers_in->last_modified) {
39b6f2df45c0 nginx-0.0.3-2004-04-14-21:44:28 import
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91 r->headers_out.last_modified = ho;
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92 /* TODO: update r->headers_out.last_modified_time */
39b6f2df45c0 nginx-0.0.3-2004-04-14-21:44:28 import
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93 continue;
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94 }
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95
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96 /*
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97 * ngx_http_header_filter() passes the following headers as is
39b6f2df45c0 nginx-0.0.3-2004-04-14-21:44:28 import
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98 * and does not handle them specially if they are set:
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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99 * r->headers_out.server,
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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100 * r->headers_out.date,
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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101 * r->headers_out.content_length
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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102 */
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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103
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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104 if (&h[i] == headers_in->server) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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105 r->headers_out.server = ho;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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106 continue;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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107 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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108
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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109 if (&h[i] == headers_in->date) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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110 r->headers_out.date = ho;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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111 continue;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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112 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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113
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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114 if (&h[i] == headers_in->content_length) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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115 r->headers_out.content_length = ho;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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116 r->headers_out.content_length_n = ngx_atoi(ho->value.data,
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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117 ho->value.len);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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118 continue;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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diff changeset
119 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
120 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
121
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122 return NGX_OK;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123 }
190
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
124
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
125
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
126 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
127 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
128 {
290
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 208
diff changeset
129 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
130 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
131 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
132 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
133
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
134 r = p->request;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
135 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
136
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
137 location = ngx_http_add_header(&r->headers_out, ngx_http_headers_out);
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
138 if (location == NULL) {
190
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
139 return NGX_ERROR;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
140 }
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
141
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
142 /*
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
143 * we do not set r->headers_out.location to avoid the handling
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
144 * the local redirects without a host name by ngx_http_header_filter()
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
145 */
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
146
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
147 #if 0
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
148 r->headers_out.location = location;
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
149 #endif
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
150
190
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
151 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
152 || 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
153 {
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
154 *location = *loc;
190
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
155 return NGX_OK;
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
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
158 /* TODO: proxy_reverse */
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
159
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
160 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
161 + (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
162 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
163 return NGX_ERROR;
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
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
166 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
167 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
168
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
169 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
170 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
171
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
172 return NGX_OK;
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
173 }