annotate src/http/modules/ngx_http_gzip_static_module.c @ 390:0b6053502c55 NGINX_0_7_7

nginx 0.7.7 *) Change: now the EAGAIN error returned by connect() is not considered as temporary error. *) Change: now the $ssl_client_cert variable value is a certificate with TAB character intended before each line except first one; an unchanged certificate is available in the $ssl_client_raw_cert variable. *) Feature: the "ask" parameter in the "ssl_verify_client" directive. *) Feature: byte-range processing improvements. Thanks to Maxim Dounin. *) Feature: the "directio" directive. *) Feature: MacOSX 1.5 sendfile() support. *) Bugfix: now in MacOSX and Cygwin locations are tested in case insensitive mode; however, the compare is provided by single-byte locales only. *) Bugfix: mail proxy SSL connections hanged, if select, poll, or /dev/poll methods were used. *) Bugfix: UTF-8 encoding usage in the ngx_http_autoindex_module.
author Igor Sysoev <http://sysoev.ru>
date Wed, 30 Jul 2008 00:00:00 +0400
parents 6de24473fa70
children 79c5df00501e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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5
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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
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11
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12 typedef struct {
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13 ngx_flag_t enable;
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14 } ngx_http_gzip_static_conf_t;
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15
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16
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17 static ngx_int_t ngx_http_gzip_static_handler(ngx_http_request_t *r);
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18 static void *ngx_http_gzip_static_create_conf(ngx_conf_t *cf);
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19 static char *ngx_http_gzip_static_merge_conf(ngx_conf_t *cf, void *parent,
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20 void *child);
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21 static ngx_int_t ngx_http_gzip_static_init(ngx_conf_t *cf);
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22
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23
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24 static ngx_command_t ngx_http_gzip_static_commands[] = {
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25
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26 { ngx_string("gzip_static"),
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27 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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28 ngx_conf_set_flag_slot,
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29 NGX_HTTP_LOC_CONF_OFFSET,
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30 offsetof(ngx_http_gzip_static_conf_t, enable),
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31 NULL },
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32
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33 ngx_null_command
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34 };
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35
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36
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37 ngx_http_module_t ngx_http_gzip_static_module_ctx = {
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38 NULL, /* preconfiguration */
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39 ngx_http_gzip_static_init, /* postconfiguration */
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40
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41 NULL, /* create main configuration */
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42 NULL, /* init main configuration */
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43
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44 NULL, /* create server configuration */
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45 NULL, /* merge server configuration */
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46
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47 ngx_http_gzip_static_create_conf, /* create location configuration */
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48 ngx_http_gzip_static_merge_conf /* merge location configuration */
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49 };
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50
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51
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52 ngx_module_t ngx_http_gzip_static_module = {
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53 NGX_MODULE_V1,
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54 &ngx_http_gzip_static_module_ctx, /* module context */
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55 ngx_http_gzip_static_commands, /* module directives */
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56 NGX_HTTP_MODULE, /* module type */
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57 NULL, /* init master */
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58 NULL, /* init module */
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59 NULL, /* init process */
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60 NULL, /* init thread */
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61 NULL, /* exit thread */
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62 NULL, /* exit process */
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63 NULL, /* exit master */
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64 NGX_MODULE_V1_PADDING
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65 };
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66
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67
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68 static ngx_int_t
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69 ngx_http_gzip_static_handler(ngx_http_request_t *r)
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70 {
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71 u_char *p;
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72 size_t root;
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73 ngx_str_t path;
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74 ngx_int_t rc;
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75 ngx_uint_t level;
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76 ngx_log_t *log;
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77 ngx_buf_t *b;
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78 ngx_chain_t out;
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79 ngx_table_elt_t *h;
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80 ngx_open_file_info_t of;
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81 ngx_http_core_loc_conf_t *clcf;
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82 ngx_http_gzip_static_conf_t *gzcf;
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83
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84 if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) {
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85 return NGX_DECLINED;
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86 }
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87
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88 if (r->uri.data[r->uri.len - 1] == '/') {
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89 return NGX_DECLINED;
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90 }
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91
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92 /* TODO: Win32 */
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93 if (r->zero_in_uri) {
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94 return NGX_DECLINED;
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95 }
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96
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97 gzcf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_static_module);
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98
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99 if (!gzcf->enable || ngx_http_gzip_ok(r) != NGX_OK) {
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100 return NGX_DECLINED;
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101 }
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102
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103 log = r->connection->log;
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104
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105 p = ngx_http_map_uri_to_path(r, &path, &root, sizeof(".gz") - 1);
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106 if (p == NULL) {
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107 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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108 }
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109
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110 *p++ = '.';
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111 *p++ = 'g';
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112 *p++ = 'z';
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113 *p = '\0';
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114
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115 path.len = p - path.data;
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116
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117 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0,
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118 "http filename: \"%s\"", path.data);
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119
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120 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
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121
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122 ngx_memzero(&of, sizeof(ngx_open_file_info_t));
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123
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124 of.directio = clcf->directio;
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125 of.valid = clcf->open_file_cache_valid;
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126 of.min_uses = clcf->open_file_cache_min_uses;
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127 of.errors = clcf->open_file_cache_errors;
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128 of.events = clcf->open_file_cache_events;
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129
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130 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
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131 != NGX_OK)
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132 {
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133 switch (of.err) {
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134
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135 case 0:
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136 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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137
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138 case NGX_ENOENT:
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139 case NGX_ENOTDIR:
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140 case NGX_ENAMETOOLONG:
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141
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142 return NGX_DECLINED;
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143
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144 case NGX_EACCES:
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145
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146 level = NGX_LOG_ERR;
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147 break;
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parents:
diff changeset
148
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parents:
diff changeset
149 default:
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parents:
diff changeset
150
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parents:
diff changeset
151 level = NGX_LOG_CRIT;
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parents:
diff changeset
152 break;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
153 }
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parents:
diff changeset
154
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
155 ngx_log_error(level, log, of.err,
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
156 ngx_open_file_n " \"%s\" failed", path.data);
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parents:
diff changeset
157
362
54fad6c4b555 nginx 0.6.25
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parents: 358
diff changeset
158 return NGX_DECLINED;
358
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
159 }
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parents:
diff changeset
160
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parents:
diff changeset
161 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, "http static fd: %d", of.fd);
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parents:
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162
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parents:
diff changeset
163 if (of.is_dir) {
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parents:
diff changeset
164 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http dir");
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parents:
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165 return NGX_DECLINED;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
166 }
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parents:
diff changeset
167
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diff changeset
168 #if !(NGX_WIN32) /* the not regular files are probably Unix specific */
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169
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parents:
diff changeset
170 if (!of.is_file) {
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parents:
diff changeset
171 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno,
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172 "\"%s\" is not a regular file", path.data);
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diff changeset
173
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174 return NGX_HTTP_NOT_FOUND;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
175 }
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parents:
diff changeset
176
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parents:
diff changeset
177 #endif
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diff changeset
178
388
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parents: 384
diff changeset
179 r->root_tested = 1;
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parents: 384
diff changeset
180
358
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diff changeset
181 rc = ngx_http_discard_request_body(r);
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diff changeset
182
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parents:
diff changeset
183 if (rc != NGX_OK) {
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parents:
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184 return rc;
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parents:
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185 }
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diff changeset
186
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diff changeset
187 log->action = "sending response to client";
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diff changeset
188
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diff changeset
189 r->headers_out.status = NGX_HTTP_OK;
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diff changeset
190 r->headers_out.content_length_n = of.size;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
191 r->headers_out.last_modified_time = of.mtime;
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parents:
diff changeset
192
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parents:
diff changeset
193 if (ngx_http_set_content_type(r) != NGX_OK) {
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194 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
195 }
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parents:
diff changeset
196
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diff changeset
197 h = ngx_list_push(&r->headers_out.headers);
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diff changeset
198 if (h == NULL) {
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diff changeset
199 return NGX_ERROR;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
200 }
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
201
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parents:
diff changeset
202 h->hash = 1;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
203 h->key.len = sizeof("Content-Encoding") - 1;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
204 h->key.data = (u_char *) "Content-Encoding";
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
205 h->value.len = sizeof("gzip") - 1;
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parents:
diff changeset
206 h->value.data = (u_char *) "gzip";
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parents:
diff changeset
207
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diff changeset
208 r->headers_out.content_encoding = h;
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parents:
diff changeset
209
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parents:
diff changeset
210 /* we need to allocate all before the header would be sent */
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parents:
diff changeset
211
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parents:
diff changeset
212 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
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parents:
diff changeset
213 if (b == NULL) {
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parents:
diff changeset
214 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
215 }
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
216
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
217 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t));
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
218 if (b->file == NULL) {
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
219 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
220 }
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
221
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
222 rc = ngx_http_send_header(r);
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
223
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
224 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
225 return rc;
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
226 }
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
227
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parents:
diff changeset
228 b->file_pos = 0;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
229 b->file_last = of.size;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
230
9121a0a91f47 nginx 0.6.23
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parents:
diff changeset
231 b->in_file = b->file_last ? 1 : 0;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
232 b->last_buf = 1;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
233 b->last_in_chain = 1;
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
234
9121a0a91f47 nginx 0.6.23
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parents:
diff changeset
235 b->file->fd = of.fd;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
236 b->file->name = path;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
237 b->file->log = log;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
238
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parents:
diff changeset
239 out.buf = b;
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
240 out.next = NULL;
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
241
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
242 return ngx_http_output_filter(r, &out);
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
243 }
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
244
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
245
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
246 static void *
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
247 ngx_http_gzip_static_create_conf(ngx_conf_t *cf)
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
248 {
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
249 ngx_http_gzip_static_conf_t *conf;
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
250
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
251 conf = ngx_palloc(cf->pool, sizeof(ngx_http_gzip_static_conf_t));
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
252 if (conf == NULL) {
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
253 return NGX_CONF_ERROR;
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
254 }
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
255
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
256 conf->enable = NGX_CONF_UNSET;
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
257
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
258 return conf;
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
259 }
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
260
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
261
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
262 static char *
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
263 ngx_http_gzip_static_merge_conf(ngx_conf_t *cf, void *parent, void *child)
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
264 {
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
265 ngx_http_gzip_static_conf_t *prev = parent;
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
266 ngx_http_gzip_static_conf_t *conf = child;
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
267
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
268 ngx_conf_merge_value(conf->enable, prev->enable, 0);
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
269
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
270 return NGX_CONF_OK;
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
271 }
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
272
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
273
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
274 static ngx_int_t
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
275 ngx_http_gzip_static_init(ngx_conf_t *cf)
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
276 {
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
277 ngx_http_handler_pt *h;
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
278 ngx_http_core_main_conf_t *cmcf;
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
279
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
280 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
281
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
282 h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers);
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
283 if (h == NULL) {
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
284 return NGX_ERROR;
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
285 }
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
286
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
287 *h = ngx_http_gzip_static_handler;
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
288
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
289 return NGX_OK;
9121a0a91f47 nginx 0.6.23
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
290 }