Mercurial > hg > nginx

annotate src/http/modules/ngx_http_not_modified_filter_module.c @ 5204:a64c8a5da336

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PCRE: retain input pattern for all regular expressions. Previously, input pattern was kept only for regular expressions with named captures, which resulted in error log entries without input pattern for PCRE errors that occured while processing regular expressions without them. Signed-off-by: Piotr Sikora <piotr@cloudflare.com>
author Piotr Sikora <piotr@cloudflare.com>
date Thu, 02 May 2013 03:26:36 -0700
parents 5b93a9ac60ed
children bb3d74fc4aea
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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6
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e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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8 #include <ngx_config.h>
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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9 #include <ngx_core.h>
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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10 #include <ngx_http.h>
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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12
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13 static ngx_uint_t ngx_http_test_if_unmodified(ngx_http_request_t *r);
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14 static ngx_uint_t ngx_http_test_if_modified(ngx_http_request_t *r);
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15 static ngx_uint_t ngx_http_test_if_match(ngx_http_request_t *r,
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16 ngx_table_elt_t *header);
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17 static ngx_int_t ngx_http_not_modified_filter_init(ngx_conf_t *cf);
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18
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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19
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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20 static ngx_http_module_t ngx_http_not_modified_filter_module_ctx = {
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21 NULL, /* preconfiguration */
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22 ngx_http_not_modified_filter_init, /* postconfiguration */
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4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
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23
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24 NULL, /* create main configuration */
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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25 NULL, /* init main configuration */
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26
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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27 NULL, /* create server configuration */
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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28 NULL, /* merge server configuration */
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29
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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30 NULL, /* create location configuration */
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31 NULL /* merge location configuration */
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32 };
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33
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34
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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35 ngx_module_t ngx_http_not_modified_filter_module = {
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36 NGX_MODULE_V1,
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37 &ngx_http_not_modified_filter_module_ctx, /* module context */
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38 NULL, /* module directives */
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39 NGX_HTTP_MODULE, /* module type */
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40 NULL, /* init master */
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41 NULL, /* init module */
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42 NULL, /* init process */
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43 NULL, /* init thread */
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44 NULL, /* exit thread */
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45 NULL, /* exit process */
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46 NULL, /* exit master */
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47 NGX_MODULE_V1_PADDING
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48 };
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49
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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50
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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51 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
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52
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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53
2702
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54 static ngx_int_t
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55 ngx_http_not_modified_header_filter(ngx_http_request_t *r)
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e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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56 {
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57 if (r->headers_out.status != NGX_HTTP_OK
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58 || r != r->main
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cb77c084acdb nginx-0.0.1-2003-10-09-11:00:45 import
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59 || r->headers_out.last_modified_time == -1)
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e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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60 {
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61 return ngx_http_next_header_filter(r);
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62 }
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63
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64 if (r->headers_in.if_unmodified_since
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65 && !ngx_http_test_if_unmodified(r))
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66 {
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67 return ngx_http_filter_finalize_request(r, NULL,
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68 NGX_HTTP_PRECONDITION_FAILED);
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69 }
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70
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71 if (r->headers_in.if_match
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72 && !ngx_http_test_if_match(r, r->headers_in.if_match))
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73 {
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74 return ngx_http_filter_finalize_request(r, NULL,
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75 NGX_HTTP_PRECONDITION_FAILED);
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76 }
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77
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78 if (r->headers_in.if_modified_since || r->headers_in.if_none_match) {
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79
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80 if (r->headers_in.if_modified_since
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81 && ngx_http_test_if_modified(r))
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82 {
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83 return ngx_http_next_header_filter(r);
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84 }
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85
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86 if (r->headers_in.if_none_match
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87 && !ngx_http_test_if_match(r, r->headers_in.if_none_match))
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88 {
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89 return ngx_http_next_header_filter(r);
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90 }
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91
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92 /* not modified */
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93
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94 r->headers_out.status = NGX_HTTP_NOT_MODIFIED;
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95 r->headers_out.status_line.len = 0;
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96 r->headers_out.content_type.len = 0;
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97 ngx_http_clear_content_length(r);
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98 ngx_http_clear_accept_ranges(r);
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99
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100 if (r->headers_out.content_encoding) {
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101 r->headers_out.content_encoding->hash = 0;
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102 r->headers_out.content_encoding = NULL;
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103 }
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104
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105 return ngx_http_next_header_filter(r);
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106 }
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107
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108 return ngx_http_next_header_filter(r);
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109 }
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110
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111
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112 static ngx_uint_t
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113 ngx_http_test_if_unmodified(ngx_http_request_t *r)
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114 {
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115 time_t iums;
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116
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117 iums = ngx_http_parse_time(r->headers_in.if_unmodified_since->value.data,
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118 r->headers_in.if_unmodified_since->value.len);
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119
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120 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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121 "http iums:%d lm:%d", iums, r->headers_out.last_modified_time);
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122
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123 if (iums >= r->headers_out.last_modified_time) {
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124 return 1;
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125 }
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126
4743
84cc73e01aa8 Not modified filter: tests separated from actions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
127 return 0;
3814
e6e453203bae "If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents: 3308
diff changeset
128 }
e6e453203bae "If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents: 3308
diff changeset
129
e6e453203bae "If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents: 3308
diff changeset
130
4743
84cc73e01aa8 Not modified filter: tests separated from actions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
131 static ngx_uint_t
84cc73e01aa8 Not modified filter: tests separated from actions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
132 ngx_http_test_if_modified(ngx_http_request_t *r)
3814
e6e453203bae "If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents: 3308
diff changeset
133 {
e6e453203bae "If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents: 3308
diff changeset
134 time_t ims;
e6e453203bae "If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents: 3308
diff changeset
135 ngx_http_core_loc_conf_t *clcf;
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136
2496
9081bbdccda1 if_modified_since off
Igor Sysoev <igor@sysoev.ru>
parents: 2361
diff changeset
137 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
9081bbdccda1 if_modified_since off
Igor Sysoev <igor@sysoev.ru>
parents: 2361
diff changeset
138
9081bbdccda1 if_modified_since off
Igor Sysoev <igor@sysoev.ru>
parents: 2361
diff changeset
139 if (clcf->if_modified_since == NGX_HTTP_IMS_OFF) {
4743
84cc73e01aa8 Not modified filter: tests separated from actions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
140 return 1;
2496
9081bbdccda1 if_modified_since off
Igor Sysoev <igor@sysoev.ru>
parents: 2361
diff changeset
141 }
9081bbdccda1 if_modified_since off
Igor Sysoev <igor@sysoev.ru>
parents: 2361
diff changeset
142
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
143 ims = ngx_http_parse_time(r->headers_in.if_modified_since->value.data,
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
144 r->headers_in.if_modified_since->value.len);
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 553
diff changeset
145
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
146 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
147 "http ims:%d lm:%d", ims, r->headers_out.last_modified_time);
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
148
4743
84cc73e01aa8 Not modified filter: tests separated from actions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
149 if (ims == r->headers_out.last_modified_time) {
84cc73e01aa8 Not modified filter: tests separated from actions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
150 return 0;
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 }
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152
4743
84cc73e01aa8 Not modified filter: tests separated from actions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
153 if (clcf->if_modified_since == NGX_HTTP_IMS_EXACT
84cc73e01aa8 Not modified filter: tests separated from actions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
154 || ims < r->headers_out.last_modified_time)
84cc73e01aa8 Not modified filter: tests separated from actions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
155 {
84cc73e01aa8 Not modified filter: tests separated from actions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
156 return 1;
3308
793ae4dd91e9 remove "Content-Encoding: gzip" in 304 response
Igor Sysoev <igor@sysoev.ru>
parents: 2702
diff changeset
157 }
793ae4dd91e9 remove "Content-Encoding: gzip" in 304 response
Igor Sysoev <igor@sysoev.ru>
parents: 2702
diff changeset
158
4743
84cc73e01aa8 Not modified filter: tests separated from actions.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
159 return 0;
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
160 }
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
161
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162
4744
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
163 static ngx_uint_t
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
164 ngx_http_test_if_match(ngx_http_request_t *r, ngx_table_elt_t *header)
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
165 {
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
166 u_char *start, *end, ch;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
167 ngx_str_t *etag, *list;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
168
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
169 list = &header->value;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
170
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
171 if (list->len == 1 && list->data[0] == '*') {
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
172 return 1;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
173 }
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
174
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
175 if (r->headers_out.etag == NULL) {
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
176 return 0;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
177 }
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
178
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
179 etag = &r->headers_out.etag->value;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
180
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
181 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
182 "http im:\"%V\" etag:%V", list, etag);
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
183
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
184 start = list->data;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
185 end = list->data + list->len;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
186
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
187 while (start < end) {
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
188
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
189 if (etag->len > (size_t) (end - start)) {
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
190 return 0;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
191 }
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
192
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
193 if (ngx_strncmp(start, etag->data, etag->len) != 0) {
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
194 goto skip;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
195 }
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
196
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
197 start += etag->len;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
198
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
199 while (start < end) {
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
200 ch = *start;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
201
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
202 if (ch == ' ' || ch == '\t') {
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
203 start++;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
204 continue;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
205 }
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
206
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
207 break;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
208 }
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
209
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
210 if (start == end || *start == ',') {
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
211 return 1;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
212 }
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
213
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
214 skip:
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
215
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
216 while (start < end && *start != ',') { start++; }
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
217 while (start < end) {
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
218 ch = *start;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
219
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
220 if (ch == ' ' || ch == '\t' || ch == ',') {
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
221 start++;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
222 continue;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
223 }
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
224
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
225 break;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
226 }
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
227 }
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
228
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
229 return 0;
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
230 }
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
231
5b93a9ac60ed Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4743
diff changeset
232
2702
eace65d6092b style fix
Igor Sysoev <igor@sysoev.ru>
parents: 2592
diff changeset
233 static ngx_int_t
eace65d6092b style fix
Igor Sysoev <igor@sysoev.ru>
parents: 2592
diff changeset
234 ngx_http_not_modified_filter_init(ngx_conf_t *cf)
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
235 {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
236 ngx_http_next_header_filter = ngx_http_top_header_filter;
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
237 ngx_http_top_header_filter = ngx_http_not_modified_header_filter;
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
238
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 return NGX_OK;
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
240 }