Mercurial > hg > nginx
annotate src/http/ngx_http_headers.c @ 315:39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 14 Apr 2004 17:44:28 +0000 |
parents | 98f1a8028067 |
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rev | line source |
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nginx-0.0.1-2003-10-29-20:39:05 import
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1 |
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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4 #include <ngx_http.h> |
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5 |
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6 |
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7 ngx_http_header_t ngx_http_headers_in[] = { |
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8 { ngx_string("Host"), offsetof(ngx_http_headers_in_t, host) }, |
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9 { ngx_string("Connection"), offsetof(ngx_http_headers_in_t, connection) }, |
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10 { ngx_string("If-Modified-Since"), |
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11 offsetof(ngx_http_headers_in_t, if_modified_since) }, |
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nginx-0.0.1-2003-10-29-20:39:05 import
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12 { ngx_string("User-Agent"), offsetof(ngx_http_headers_in_t, user_agent) }, |
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13 { ngx_string("Referer"), offsetof(ngx_http_headers_in_t, referer) }, |
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14 { ngx_string("Content-Length"), |
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15 offsetof(ngx_http_headers_in_t, content_length) }, |
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17 { ngx_string("Range"), offsetof(ngx_http_headers_in_t, range) }, |
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18 #if 0 |
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19 { ngx_string("If-Range"), offsetof(ngx_http_headers_in_t, if_range) }, |
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20 #endif |
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21 |
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22 #if (NGX_HTTP_GZIP) |
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23 { ngx_string("Accept-Encoding"), |
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24 offsetof(ngx_http_headers_in_t, accept_encoding) }, |
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25 { ngx_string("Via"), offsetof(ngx_http_headers_in_t, via) }, |
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26 #endif |
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27 |
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28 { ngx_string("Authorization"), |
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29 offsetof(ngx_http_headers_in_t, authorization) }, |
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30 |
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31 { ngx_string("Keep-Alive"), offsetof(ngx_http_headers_in_t, keep_alive) }, |
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32 |
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33 #if (NGX_HTTP_PROXY) |
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34 { ngx_string("X-Forwarded-For"), |
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35 offsetof(ngx_http_headers_in_t, x_forwarded_for) }, |
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36 #endif |
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37 |
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38 { ngx_null_string, 0 } |
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39 }; |
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40 |
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41 |
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42 ngx_http_header_t ngx_http_headers_out[] = { |
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nginx-0.0.1-2003-10-29-20:39:05 import
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43 { ngx_string("Server"), offsetof(ngx_http_headers_out_t, server) }, |
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44 { ngx_string("Date"), offsetof(ngx_http_headers_out_t, date) }, |
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nginx-0.0.1-2003-10-29-20:39:05 import
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45 { ngx_string("Content-Type"), |
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nginx-0.0.1-2003-10-29-20:39:05 import
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46 offsetof(ngx_http_headers_out_t, content_type) }, |
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47 { ngx_string("Content-Length"), |
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48 offsetof(ngx_http_headers_out_t, content_length) }, |
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49 { ngx_string("Content-Encoding"), |
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50 offsetof(ngx_http_headers_out_t, content_encoding) }, |
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nginx-0.0.1-2003-10-29-20:39:05 import
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51 { ngx_string("Location"), offsetof(ngx_http_headers_out_t, location) }, |
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nginx-0.0.1-2003-10-29-20:39:05 import
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52 { ngx_string("Last-Modified"), |
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53 offsetof(ngx_http_headers_out_t, last_modified) }, |
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nginx-0.0.1-2003-10-29-20:39:05 import
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54 { ngx_string("Accept-Ranges"), |
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55 offsetof(ngx_http_headers_out_t, accept_ranges) }, |
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56 { ngx_string("Expires"), offsetof(ngx_http_headers_out_t, expires) }, |
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57 { ngx_string("Cache-Control"), |
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58 offsetof(ngx_http_headers_out_t, cache_control) }, |
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59 { ngx_string("ETag"), offsetof(ngx_http_headers_out_t, etag) }, |
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60 |
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61 { ngx_null_string, 0 } |
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62 }; |
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63 |
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64 |
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65 ngx_table_elt_t *ngx_http_add_header(void *header, |
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66 ngx_http_header_t *http_headers) |
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67 { |
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68 void *prev; |
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69 ngx_uint_t i, j; |
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70 ngx_table_t *headers; |
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71 ngx_table_elt_t *h, *new; |
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72 |
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73 headers = header; |
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74 |
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75 prev = headers->elts; |
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76 |
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77 if (!(new = ngx_push_table(headers))) { |
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78 return NULL; |
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79 } |
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80 |
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81 if (prev == headers->elts) { |
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82 return new; |
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83 } |
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84 |
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85 /* |
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86 * When table is relocated we need to update pointers in r->headers_in, |
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87 * r->headers_out, etc. However this relocation should be very rare |
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88 * because we preallocate enough space for the number of the real world |
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89 * HTTP headers. |
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90 */ |
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91 |
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92 ngx_log_error(NGX_LOG_ALERT, headers->pool->log, 0, |
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nginx-0.0.1-2003-10-31-19:05:33 import
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93 "header table is small, %d elements", headers->nelts - 1); |
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94 |
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95 h = headers->elts; |
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96 for (i = 0; i < headers->nelts - 1; i++) { |
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97 if (h[i].key.len == 0) { |
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98 continue; |
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99 } |
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100 |
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101 for (j = 0; http_headers[j].name.len != 0; j++) { |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
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102 if (http_headers[j].name.len != h[i].key.len) { |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
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103 continue; |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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104 } |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
105 |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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106 if (ngx_strcasecmp(http_headers[j].name.data, h[i].key.data) == 0) { |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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107 *((ngx_table_elt_t **) |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
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108 ((char *) header + http_headers[j].offset)) = &h[i]; |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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109 break; |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
110 } |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
111 } |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
112 } |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
113 |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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114 return new; |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
115 } |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
116 |