0
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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_event.h>
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10 #include <ngx_http.h>
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11
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12
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13 static char *ngx_http_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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378
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14 static ngx_int_t ngx_http_init_phases(ngx_conf_t *cf,
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15 ngx_http_core_main_conf_t *cmcf);
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16 static ngx_int_t ngx_http_init_headers_in_hash(ngx_conf_t *cf,
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17 ngx_http_core_main_conf_t *cmcf);
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18 static ngx_int_t ngx_http_init_phase_handlers(ngx_conf_t *cf,
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19 ngx_http_core_main_conf_t *cmcf);
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20
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21 static ngx_int_t ngx_http_init_server_lists(ngx_conf_t *cf,
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22 ngx_array_t *servers, ngx_array_t *in_ports);
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4
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23 static ngx_int_t ngx_http_add_address(ngx_conf_t *cf,
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378
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24 ngx_http_core_srv_conf_t *cscf, ngx_http_conf_in_port_t *in_port,
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25 ngx_http_listen_t *listen);
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4
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26 static ngx_int_t ngx_http_add_names(ngx_conf_t *cf,
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378
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27 ngx_http_core_srv_conf_t *cscf, ngx_http_conf_in_addr_t *in_addr);
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28
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0
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29 static char *ngx_http_merge_locations(ngx_conf_t *cf,
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378
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30 ngx_queue_t *locations, void **loc_conf, ngx_http_module_t *module,
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48
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31 ngx_uint_t ctx_index);
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378
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32 static ngx_int_t ngx_http_init_locations(ngx_conf_t *cf,
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33 ngx_http_core_srv_conf_t *cscf, ngx_http_core_loc_conf_t *pclcf);
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34 static ngx_int_t ngx_http_init_static_location_trees(ngx_conf_t *cf,
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35 ngx_http_core_loc_conf_t *pclcf);
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36 static ngx_int_t ngx_http_cmp_locations(const ngx_queue_t *one,
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37 const ngx_queue_t *two);
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38 static ngx_int_t ngx_http_join_exact_locations(ngx_conf_t *cf,
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39 ngx_queue_t *locations);
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40 static void ngx_http_create_locations_list(ngx_queue_t *locations,
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41 ngx_queue_t *q);
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42 static ngx_http_location_tree_node_t *
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43 ngx_http_create_locations_tree(ngx_conf_t *cf, ngx_queue_t *locations,
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44 size_t prefix);
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45
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46 static ngx_int_t ngx_http_optimize_servers(ngx_conf_t *cf,
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47 ngx_http_core_main_conf_t *cmcf, ngx_array_t *in_ports);
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372
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48 static ngx_int_t ngx_http_cmp_conf_in_addrs(const void *one, const void *two);
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142
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49 static int ngx_libc_cdecl ngx_http_cmp_dns_wildcards(const void *one,
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50 const void *two);
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0
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51
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378
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52 static ngx_int_t ngx_http_init_listening(ngx_conf_t *cf,
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53 ngx_http_conf_in_port_t *in_port);
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142
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54
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378
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55 ngx_uint_t ngx_http_max_module;
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0
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56
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57
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58 ngx_int_t (*ngx_http_top_header_filter) (ngx_http_request_t *r);
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59 ngx_int_t (*ngx_http_top_body_filter) (ngx_http_request_t *r, ngx_chain_t *ch);
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60
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61
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62 static ngx_command_t ngx_http_commands[] = {
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63
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48
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64 { ngx_string("http"),
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65 NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
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66 ngx_http_block,
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67 0,
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68 0,
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69 NULL },
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0
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70
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48
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71 ngx_null_command
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0
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72 };
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73
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126
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74
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0
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75 static ngx_core_module_t ngx_http_module_ctx = {
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76 ngx_string("http"),
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77 NULL,
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78 NULL
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126
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79 };
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0
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80
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81
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82 ngx_module_t ngx_http_module = {
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58
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83 NGX_MODULE_V1,
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0
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84 &ngx_http_module_ctx, /* module context */
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85 ngx_http_commands, /* module directives */
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86 NGX_CORE_MODULE, /* module type */
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90
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87 NULL, /* init master */
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0
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88 NULL, /* init module */
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90
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89 NULL, /* init process */
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90 NULL, /* init thread */
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91 NULL, /* exit thread */
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92 NULL, /* exit process */
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93 NULL, /* exit master */
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94 NGX_MODULE_V1_PADDING
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0
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95 };
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96
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97
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48
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98 static char *
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99 ngx_http_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
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0
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100 {
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101 char *rv;
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378
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102 ngx_uint_t mi, m, s;
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0
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103 ngx_conf_t pcf;
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378
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104 ngx_array_t in_ports;
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0
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105 ngx_http_module_t *module;
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106 ngx_http_conf_ctx_t *ctx;
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107 ngx_http_core_loc_conf_t *clcf;
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378
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108 ngx_http_core_srv_conf_t **cscfp;
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0
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109 ngx_http_core_main_conf_t *cmcf;
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110
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111 /* the main http context */
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26
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112
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50
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113 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t));
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114 if (ctx == NULL) {
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34
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115 return NGX_CONF_ERROR;
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116 }
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0
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117
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118 *(ngx_http_conf_ctx_t **) conf = ctx;
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119
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34
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120
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0
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121 /* count the number of the http modules and set up their indices */
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122
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123 ngx_http_max_module = 0;
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124 for (m = 0; ngx_modules[m]; m++) {
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125 if (ngx_modules[m]->type != NGX_HTTP_MODULE) {
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126 continue;
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127 }
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128
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129 ngx_modules[m]->ctx_index = ngx_http_max_module++;
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130 }
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131
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26
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132
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34
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133 /* the http main_conf context, it is the same in the all http contexts */
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0
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134
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34
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135 ctx->main_conf = ngx_pcalloc(cf->pool,
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136 sizeof(void *) * ngx_http_max_module);
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137 if (ctx->main_conf == NULL) {
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138 return NGX_CONF_ERROR;
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139 }
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0
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140
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141
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34
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142 /*
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143 * the http null srv_conf context, it is used to merge
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144 * the server{}s' srv_conf's
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145 */
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146
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147 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module);
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148 if (ctx->srv_conf == NULL) {
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149 return NGX_CONF_ERROR;
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150 }
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151
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152
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153 /*
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154 * the http null loc_conf context, it is used to merge
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155 * the server{}s' loc_conf's
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156 */
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157
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158 ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module);
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159 if (ctx->loc_conf == NULL) {
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160 return NGX_CONF_ERROR;
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161 }
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162
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163
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164 /*
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165 * create the main_conf's, the null srv_conf's, and the null loc_conf's
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166 * of the all http modules
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167 */
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0
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168
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169 for (m = 0; ngx_modules[m]; m++) {
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170 if (ngx_modules[m]->type != NGX_HTTP_MODULE) {
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171 continue;
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172 }
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173
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174 module = ngx_modules[m]->ctx;
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175 mi = ngx_modules[m]->ctx_index;
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176
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177 if (module->create_main_conf) {
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50
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178 ctx->main_conf[mi] = module->create_main_conf(cf);
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179 if (ctx->main_conf[mi] == NULL) {
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34
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180 return NGX_CONF_ERROR;
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181 }
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0
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182 }
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183
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184 if (module->create_srv_conf) {
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50
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185 ctx->srv_conf[mi] = module->create_srv_conf(cf);
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186 if (ctx->srv_conf[mi] == NULL) {
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34
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187 return NGX_CONF_ERROR;
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188 }
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0
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189 }
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190
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191 if (module->create_loc_conf) {
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50
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192 ctx->loc_conf[mi] = module->create_loc_conf(cf);
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193 if (ctx->loc_conf[mi] == NULL) {
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34
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194 return NGX_CONF_ERROR;
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195 }
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0
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196 }
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197 }
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198
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58
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199 pcf = *cf;
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200 cf->ctx = ctx;
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201
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202 for (m = 0; ngx_modules[m]; m++) {
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203 if (ngx_modules[m]->type != NGX_HTTP_MODULE) {
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204 continue;
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205 }
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206
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207 module = ngx_modules[m]->ctx;
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208
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209 if (module->preconfiguration) {
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210 if (module->preconfiguration(cf) != NGX_OK) {
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211 return NGX_CONF_ERROR;
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212 }
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213 }
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214 }
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34
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215
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0
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216 /* parse inside the http{} block */
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217
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218 cf->module_type = NGX_HTTP_MODULE;
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219 cf->cmd_type = NGX_HTTP_MAIN_CONF;
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220 rv = ngx_conf_parse(cf, NULL);
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221
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222 if (rv != NGX_CONF_OK) {
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378
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223 goto failed;
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0
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224 }
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225
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226 /*
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227 * init http{} main_conf's, merge the server{}s' srv_conf's
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228 * and its location{}s' loc_conf's
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229 */
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230
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231 cmcf = ctx->main_conf[ngx_http_core_module.ctx_index];
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232 cscfp = cmcf->servers.elts;
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233
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234 for (m = 0; ngx_modules[m]; m++) {
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235 if (ngx_modules[m]->type != NGX_HTTP_MODULE) {
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236 continue;
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237 }
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238
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239 module = ngx_modules[m]->ctx;
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240 mi = ngx_modules[m]->ctx_index;
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241
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242 /* init http{} main_conf's */
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243
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244 if (module->init_main_conf) {
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245 rv = module->init_main_conf(cf, ctx->main_conf[mi]);
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246 if (rv != NGX_CONF_OK) {
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378
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247 goto failed;
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0
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248 }
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249 }
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250
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251 for (s = 0; s < cmcf->servers.nelts; s++) {
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252
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253 /* merge the server{}s' srv_conf's */
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254
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255 if (module->merge_srv_conf) {
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378
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256 rv = module->merge_srv_conf(cf, ctx->srv_conf[mi],
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0
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257 cscfp[s]->ctx->srv_conf[mi]);
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258 if (rv != NGX_CONF_OK) {
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378
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259 goto failed;
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0
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260 }
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261 }
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262
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263 if (module->merge_loc_conf) {
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264
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265 /* merge the server{}'s loc_conf */
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266
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378
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267 rv = module->merge_loc_conf(cf, ctx->loc_conf[mi],
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0
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268 cscfp[s]->ctx->loc_conf[mi]);
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269 if (rv != NGX_CONF_OK) {
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378
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270 goto failed;
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0
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271 }
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272
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273 /* merge the locations{}' loc_conf's */
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274
|
378
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275 clcf = cscfp[s]->ctx->loc_conf[ngx_http_core_module.ctx_index];
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276
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277 rv = ngx_http_merge_locations(cf, clcf->locations,
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0
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278 cscfp[s]->ctx->loc_conf,
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279 module, mi);
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280 if (rv != NGX_CONF_OK) {
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378
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281 goto failed;
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0
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282 }
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283 }
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284 }
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285 }
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286
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34
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287
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378
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288 /* create location trees */
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34
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289
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378
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290 for (s = 0; s < cmcf->servers.nelts; s++) {
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122
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291
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378
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292 clcf = cscfp[s]->ctx->loc_conf[ngx_http_core_module.ctx_index];
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0
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293
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378
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294 if (ngx_http_init_locations(cf, cscfp[s], clcf) != NGX_OK) {
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295 return NGX_CONF_ERROR;
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296 }
|
122
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297
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378
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298 if (ngx_http_init_static_location_trees(cf, clcf) != NGX_OK) {
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299 return NGX_CONF_ERROR;
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300 }
|
34
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301 }
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302
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0
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303
|
378
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304 if (ngx_http_init_phases(cf, cmcf) != NGX_OK) {
|
130
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305 return NGX_CONF_ERROR;
|
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306 }
|
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307
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378
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308 if (ngx_http_init_headers_in_hash(cf, cmcf) != NGX_OK) {
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198
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309 return NGX_CONF_ERROR;
|
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310 }
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311
|
58
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312
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313 for (m = 0; ngx_modules[m]; m++) {
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314 if (ngx_modules[m]->type != NGX_HTTP_MODULE) {
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315 continue;
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316 }
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317
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318 module = ngx_modules[m]->ctx;
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319
|
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320 if (module->postconfiguration) {
|
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321 if (module->postconfiguration(cf) != NGX_OK) {
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322 return NGX_CONF_ERROR;
|
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323 }
|
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324 }
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325 }
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326
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122
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327 if (ngx_http_variables_init_vars(cf) != NGX_OK) {
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328 return NGX_CONF_ERROR;
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329 }
|
58
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330
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331 /*
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332 * http{}'s cf->ctx was needed while the configuration merging
|
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333 * and in postconfiguration process
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334 */
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335
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336 *cf = pcf;
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337
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56
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338
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378
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339 if (ngx_http_init_phase_handlers(cf, cmcf) != NGX_OK) {
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340 return NGX_CONF_ERROR;
|
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341 }
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342
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343
|
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344 /*
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345 * create the lists of ports, addresses and server names
|
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346 * to find quickly the server core module configuration at run-time
|
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347 */
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348
|
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349 /* AF_INET only */
|
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350
|
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351 if (ngx_http_init_server_lists(cf, &cmcf->servers, &in_ports) != NGX_OK) {
|
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352 return NGX_CONF_ERROR;
|
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353 }
|
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354
|
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355
|
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356 /* optimize the lists of ports, addresses and server names */
|
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357
|
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358 /* AF_INET only */
|
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359
|
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360 if (ngx_http_optimize_servers(cf, cmcf, &in_ports) != NGX_OK) {
|
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361 return NGX_CONF_ERROR;
|
|
362 }
|
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363
|
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364 return NGX_CONF_OK;
|
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365
|
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366 failed:
|
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367
|
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368 *cf = pcf;
|
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369
|
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370 return rv;
|
|
371 }
|
|
372
|
|
373
|
|
374 static ngx_int_t
|
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375 ngx_http_init_phases(ngx_conf_t *cf, ngx_http_core_main_conf_t *cmcf)
|
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376 {
|
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377 if (ngx_array_init(&cmcf->phases[NGX_HTTP_POST_READ_PHASE].handlers,
|
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378 cf->pool, 1, sizeof(ngx_http_handler_pt))
|
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379 != NGX_OK)
|
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380 {
|
|
381 return NGX_ERROR;
|
|
382 }
|
|
383
|
|
384 if (ngx_array_init(&cmcf->phases[NGX_HTTP_SERVER_REWRITE_PHASE].handlers,
|
|
385 cf->pool, 1, sizeof(ngx_http_handler_pt))
|
|
386 != NGX_OK)
|
|
387 {
|
|
388 return NGX_ERROR;
|
|
389 }
|
|
390
|
|
391 if (ngx_array_init(&cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers,
|
|
392 cf->pool, 1, sizeof(ngx_http_handler_pt))
|
|
393 != NGX_OK)
|
|
394 {
|
|
395 return NGX_ERROR;
|
|
396 }
|
|
397
|
|
398 if (ngx_array_init(&cmcf->phases[NGX_HTTP_PREACCESS_PHASE].handlers,
|
|
399 cf->pool, 1, sizeof(ngx_http_handler_pt))
|
|
400 != NGX_OK)
|
|
401 {
|
|
402 return NGX_ERROR;
|
|
403 }
|
|
404
|
|
405 if (ngx_array_init(&cmcf->phases[NGX_HTTP_ACCESS_PHASE].handlers,
|
|
406 cf->pool, 2, sizeof(ngx_http_handler_pt))
|
|
407 != NGX_OK)
|
|
408 {
|
|
409 return NGX_ERROR;
|
|
410 }
|
|
411
|
|
412 if (ngx_array_init(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers,
|
|
413 cf->pool, 4, sizeof(ngx_http_handler_pt))
|
|
414 != NGX_OK)
|
|
415 {
|
|
416 return NGX_ERROR;
|
|
417 }
|
|
418
|
|
419 if (ngx_array_init(&cmcf->phases[NGX_HTTP_LOG_PHASE].handlers,
|
|
420 cf->pool, 1, sizeof(ngx_http_handler_pt))
|
|
421 != NGX_OK)
|
|
422 {
|
|
423 return NGX_ERROR;
|
|
424 }
|
|
425
|
|
426 return NGX_OK;
|
|
427 }
|
|
428
|
|
429
|
|
430 static ngx_int_t
|
|
431 ngx_http_init_headers_in_hash(ngx_conf_t *cf, ngx_http_core_main_conf_t *cmcf)
|
|
432 {
|
|
433 ngx_array_t headers_in;
|
|
434 ngx_hash_key_t *hk;
|
|
435 ngx_hash_init_t hash;
|
|
436 ngx_http_header_t *header;
|
|
437
|
|
438 if (ngx_array_init(&headers_in, cf->temp_pool, 32, sizeof(ngx_hash_key_t))
|
|
439 != NGX_OK)
|
|
440 {
|
|
441 return NGX_ERROR;
|
|
442 }
|
|
443
|
|
444 for (header = ngx_http_headers_in; header->name.len; header++) {
|
|
445 hk = ngx_array_push(&headers_in);
|
|
446 if (hk == NULL) {
|
|
447 return NGX_ERROR;
|
|
448 }
|
|
449
|
|
450 hk->key = header->name;
|
|
451 hk->key_hash = ngx_hash_key_lc(header->name.data, header->name.len);
|
|
452 hk->value = header;
|
|
453 }
|
|
454
|
|
455 hash.hash = &cmcf->headers_in_hash;
|
|
456 hash.key = ngx_hash_key_lc;
|
|
457 hash.max_size = 512;
|
|
458 hash.bucket_size = ngx_align(64, ngx_cacheline_size);
|
|
459 hash.name = "headers_in_hash";
|
|
460 hash.pool = cf->pool;
|
|
461 hash.temp_pool = NULL;
|
|
462
|
|
463 if (ngx_hash_init(&hash, headers_in.elts, headers_in.nelts) != NGX_OK) {
|
|
464 return NGX_ERROR;
|
|
465 }
|
|
466
|
|
467 return NGX_OK;
|
|
468 }
|
|
469
|
|
470
|
|
471 static ngx_int_t
|
|
472 ngx_http_init_phase_handlers(ngx_conf_t *cf, ngx_http_core_main_conf_t *cmcf)
|
|
473 {
|
|
474 ngx_int_t j;
|
|
475 ngx_uint_t i, n;
|
|
476 ngx_uint_t find_config_index, use_rewrite, use_access;
|
|
477 ngx_http_handler_pt *h;
|
|
478 ngx_http_phase_handler_t *ph;
|
|
479 ngx_http_phase_handler_pt checker;
|
|
480
|
230
|
481 cmcf->phase_engine.server_rewrite_index = (ngx_uint_t) -1;
|
324
|
482 cmcf->phase_engine.location_rewrite_index = (ngx_uint_t) -1;
|
230
|
483 find_config_index = 0;
|
|
484 use_rewrite = cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers.nelts ? 1 : 0;
|
|
485 use_access = cmcf->phases[NGX_HTTP_ACCESS_PHASE].handlers.nelts ? 1 : 0;
|
|
486
|
|
487 n = use_rewrite + use_access + 1; /* find config phase */
|
|
488
|
|
489 for (i = 0; i < NGX_HTTP_LOG_PHASE; i++) {
|
|
490 n += cmcf->phases[i].handlers.nelts;
|
|
491 }
|
|
492
|
|
493 ph = ngx_pcalloc(cf->pool,
|
|
494 n * sizeof(ngx_http_phase_handler_t) + sizeof(void *));
|
|
495 if (ph == NULL) {
|
378
|
496 return NGX_ERROR;
|
230
|
497 }
|
|
498
|
|
499 cmcf->phase_engine.handlers = ph;
|
|
500 n = 0;
|
|
501
|
|
502 for (i = 0; i < NGX_HTTP_LOG_PHASE; i++) {
|
|
503 h = cmcf->phases[i].handlers.elts;
|
|
504
|
|
505 switch (i) {
|
|
506
|
|
507 case NGX_HTTP_SERVER_REWRITE_PHASE:
|
|
508 if (cmcf->phase_engine.server_rewrite_index == (ngx_uint_t) -1) {
|
|
509 cmcf->phase_engine.server_rewrite_index = n;
|
|
510 }
|
|
511 checker = ngx_http_core_generic_phase;
|
|
512
|
|
513 break;
|
|
514
|
|
515 case NGX_HTTP_FIND_CONFIG_PHASE:
|
|
516 find_config_index = n;
|
|
517
|
|
518 ph->checker = ngx_http_core_find_config_phase;
|
|
519 n++;
|
|
520 ph++;
|
|
521
|
|
522 continue;
|
|
523
|
324
|
524 case NGX_HTTP_REWRITE_PHASE:
|
|
525 if (cmcf->phase_engine.location_rewrite_index == (ngx_uint_t) -1) {
|
|
526 cmcf->phase_engine.location_rewrite_index = n;
|
|
527 }
|
|
528 checker = ngx_http_core_generic_phase;
|
|
529
|
|
530 break;
|
|
531
|
230
|
532 case NGX_HTTP_POST_REWRITE_PHASE:
|
|
533 if (use_rewrite) {
|
|
534 ph->checker = ngx_http_core_post_rewrite_phase;
|
|
535 ph->next = find_config_index;
|
|
536 n++;
|
|
537 ph++;
|
|
538 }
|
|
539
|
|
540 continue;
|
|
541
|
|
542 case NGX_HTTP_ACCESS_PHASE:
|
|
543 checker = ngx_http_core_access_phase;
|
|
544 n++;
|
|
545 break;
|
|
546
|
|
547 case NGX_HTTP_POST_ACCESS_PHASE:
|
|
548 if (use_access) {
|
|
549 ph->checker = ngx_http_core_post_access_phase;
|
|
550 ph->next = n;
|
|
551 ph++;
|
|
552 }
|
|
553
|
|
554 continue;
|
|
555
|
|
556 case NGX_HTTP_CONTENT_PHASE:
|
|
557 checker = ngx_http_core_content_phase;
|
|
558 break;
|
|
559
|
|
560 default:
|
|
561 checker = ngx_http_core_generic_phase;
|
|
562 }
|
|
563
|
|
564 n += cmcf->phases[i].handlers.nelts;
|
|
565
|
|
566 for (j = cmcf->phases[i].handlers.nelts - 1; j >=0; j--) {
|
|
567 ph->checker = checker;
|
|
568 ph->handler = h[j];
|
|
569 ph->next = n;
|
|
570 ph++;
|
|
571 }
|
|
572 }
|
|
573
|
378
|
574 return NGX_OK;
|
|
575 }
|
230
|
576
|
378
|
577
|
|
578 static char *
|
|
579 ngx_http_merge_locations(ngx_conf_t *cf, ngx_queue_t *locations,
|
|
580 void **loc_conf, ngx_http_module_t *module, ngx_uint_t ctx_index)
|
|
581 {
|
|
582 char *rv;
|
|
583 ngx_queue_t *q;
|
|
584 ngx_http_core_loc_conf_t *clcf;
|
|
585 ngx_http_location_queue_t *lq;
|
|
586
|
|
587 if (locations == NULL) {
|
|
588 return NGX_CONF_OK;
|
|
589 }
|
|
590
|
|
591 for (q = ngx_queue_head(locations);
|
|
592 q != ngx_queue_sentinel(locations);
|
|
593 q = ngx_queue_next(q))
|
|
594 {
|
|
595 lq = (ngx_http_location_queue_t *) q;
|
|
596
|
|
597 clcf = lq->exact ? lq->exact : lq->inclusive;
|
|
598
|
|
599 rv = module->merge_loc_conf(cf, loc_conf[ctx_index],
|
|
600 clcf->loc_conf[ctx_index]);
|
|
601 if (rv != NGX_CONF_OK) {
|
|
602 return rv;
|
|
603 }
|
|
604
|
|
605 rv = ngx_http_merge_locations(cf, clcf->locations, clcf->loc_conf,
|
|
606 module, ctx_index);
|
|
607 if (rv != NGX_CONF_OK) {
|
|
608 return rv;
|
|
609 }
|
|
610 }
|
|
611
|
|
612 return NGX_CONF_OK;
|
|
613 }
|
|
614
|
|
615
|
|
616 static ngx_int_t
|
|
617 ngx_http_init_locations(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf,
|
|
618 ngx_http_core_loc_conf_t *pclcf)
|
|
619 {
|
|
620 ngx_uint_t n;
|
|
621 ngx_queue_t *q, *locations, *named, tail;
|
|
622 ngx_http_core_loc_conf_t *clcf;
|
|
623 ngx_http_location_queue_t *lq;
|
|
624 ngx_http_core_loc_conf_t **clcfp;
|
|
625 #if (NGX_PCRE)
|
|
626 ngx_uint_t r;
|
|
627 ngx_queue_t *regex;
|
|
628 #endif
|
|
629
|
|
630 locations = pclcf->locations;
|
|
631
|
|
632 if (locations == NULL) {
|
|
633 return NGX_OK;
|
|
634 }
|
|
635
|
|
636 ngx_queue_sort(locations, ngx_http_cmp_locations);
|
|
637
|
|
638 named = NULL;
|
|
639 n = 0;
|
|
640 #if (NGX_PCRE)
|
|
641 regex = NULL;
|
|
642 r = 0;
|
|
643 #endif
|
|
644
|
|
645 for (q = ngx_queue_head(locations);
|
|
646 q != ngx_queue_sentinel(locations);
|
|
647 q = ngx_queue_next(q))
|
|
648 {
|
|
649 lq = (ngx_http_location_queue_t *) q;
|
|
650
|
|
651 clcf = lq->exact ? lq->exact : lq->inclusive;
|
|
652
|
|
653 if (ngx_http_init_locations(cf, NULL, clcf) != NGX_OK) {
|
|
654 return NGX_ERROR;
|
|
655 }
|
|
656
|
|
657 #if (NGX_PCRE)
|
|
658
|
|
659 if (clcf->regex) {
|
|
660 r++;
|
|
661
|
|
662 if (regex == NULL) {
|
|
663 regex = q;
|
|
664 }
|
|
665
|
|
666 continue;
|
|
667 }
|
|
668
|
|
669 #endif
|
|
670
|
|
671 if (clcf->named) {
|
|
672 n++;
|
|
673
|
|
674 if (named == NULL) {
|
|
675 named = q;
|
|
676 }
|
|
677
|
|
678 continue;
|
|
679 }
|
|
680
|
|
681 if (clcf->noname) {
|
|
682 break;
|
|
683 }
|
|
684 }
|
|
685
|
|
686 if (q != ngx_queue_sentinel(locations)) {
|
|
687 ngx_queue_split(locations, q, &tail);
|
|
688 }
|
|
689
|
|
690 if (named) {
|
|
691 clcfp = ngx_palloc(cf->pool,
|
|
692 (n + 1) * sizeof(ngx_http_core_loc_conf_t **));
|
|
693 if (clcfp == NULL) {
|
|
694 return NGX_ERROR;
|
|
695 }
|
|
696
|
|
697 cscf->named_locations = clcfp;
|
|
698
|
|
699 for (q = named;
|
|
700 q != ngx_queue_sentinel(locations);
|
|
701 q = ngx_queue_next(q))
|
|
702 {
|
|
703 lq = (ngx_http_location_queue_t *) q;
|
|
704
|
|
705 *(clcfp++) = lq->exact;
|
|
706 }
|
|
707
|
|
708 *clcfp = NULL;
|
|
709
|
|
710 ngx_queue_split(locations, named, &tail);
|
|
711 }
|
|
712
|
|
713 #if (NGX_PCRE)
|
|
714
|
|
715 if (regex) {
|
|
716
|
|
717 clcfp = ngx_palloc(cf->pool,
|
|
718 (r + 1) * sizeof(ngx_http_core_loc_conf_t **));
|
|
719 if (clcfp == NULL) {
|
|
720 return NGX_ERROR;
|
|
721 }
|
|
722
|
|
723 pclcf->regex_locations = clcfp;
|
|
724
|
|
725 for (q = regex;
|
|
726 q != ngx_queue_sentinel(locations);
|
|
727 q = ngx_queue_next(q))
|
|
728 {
|
|
729 lq = (ngx_http_location_queue_t *) q;
|
|
730
|
|
731 *(clcfp++) = lq->exact;
|
|
732 }
|
|
733
|
|
734 *clcfp = NULL;
|
|
735
|
|
736 ngx_queue_split(locations, regex, &tail);
|
|
737 }
|
|
738
|
|
739 #endif
|
|
740
|
|
741 return NGX_OK;
|
|
742 }
|
|
743
|
|
744
|
|
745 static ngx_int_t
|
|
746 ngx_http_init_static_location_trees(ngx_conf_t *cf,
|
|
747 ngx_http_core_loc_conf_t *pclcf)
|
|
748 {
|
|
749 ngx_queue_t *q, *locations;
|
|
750 ngx_http_core_loc_conf_t *clcf;
|
|
751 ngx_http_location_queue_t *lq;
|
|
752
|
|
753 locations = pclcf->locations;
|
|
754
|
|
755 if (locations == NULL) {
|
|
756 return NGX_OK;
|
|
757 }
|
|
758
|
|
759 if (ngx_queue_empty(locations)) {
|
|
760 return NGX_OK;
|
|
761 }
|
|
762
|
|
763 for (q = ngx_queue_head(locations);
|
|
764 q != ngx_queue_sentinel(locations);
|
|
765 q = ngx_queue_next(q))
|
|
766 {
|
|
767 lq = (ngx_http_location_queue_t *) q;
|
|
768
|
|
769 clcf = lq->exact ? lq->exact : lq->inclusive;
|
|
770
|
|
771 if (ngx_http_init_static_location_trees(cf, clcf) != NGX_OK) {
|
|
772 return NGX_ERROR;
|
|
773 }
|
|
774 }
|
|
775
|
|
776 if (ngx_http_join_exact_locations(cf, locations) != NGX_OK) {
|
|
777 return NGX_ERROR;
|
|
778 }
|
|
779
|
|
780 ngx_http_create_locations_list(locations, ngx_queue_head(locations));
|
|
781
|
|
782 pclcf->static_locations = ngx_http_create_locations_tree(cf, locations, 0);
|
|
783 if (pclcf->static_locations == NULL) {
|
|
784 return NGX_ERROR;
|
|
785 }
|
|
786
|
|
787 return NGX_OK;
|
|
788 }
|
|
789
|
|
790
|
|
791 ngx_int_t
|
|
792 ngx_http_add_location(ngx_conf_t *cf, ngx_queue_t **locations,
|
|
793 ngx_http_core_loc_conf_t *clcf)
|
|
794 {
|
|
795 ngx_http_location_queue_t *lq;
|
|
796
|
|
797 if (*locations == NULL) {
|
|
798 *locations = ngx_palloc(cf->temp_pool,
|
|
799 sizeof(ngx_http_location_queue_t));
|
|
800 if (*locations == NULL) {
|
|
801 return NGX_ERROR;
|
|
802 }
|
|
803
|
|
804 ngx_queue_init(*locations);
|
|
805 }
|
|
806
|
|
807 lq = ngx_palloc(cf->temp_pool, sizeof(ngx_http_location_queue_t));
|
|
808 if (lq == NULL) {
|
|
809 return NGX_ERROR;
|
|
810 }
|
|
811
|
|
812 if (clcf->exact_match
|
|
813 #if (NGX_PCRE)
|
|
814 || clcf->regex
|
|
815 #endif
|
|
816 || clcf->named || clcf->noname)
|
|
817 {
|
|
818 lq->exact = clcf;
|
|
819 lq->inclusive = NULL;
|
|
820
|
|
821 } else {
|
|
822 lq->exact = NULL;
|
|
823 lq->inclusive = clcf;
|
|
824 }
|
|
825
|
|
826 lq->name = &clcf->name;
|
|
827 lq->file_name = cf->conf_file->file.name.data;
|
|
828 lq->line = cf->conf_file->line;
|
|
829
|
|
830 ngx_queue_init(&lq->list);
|
|
831
|
|
832 ngx_queue_insert_tail(*locations, &lq->queue);
|
0
|
833
|
378
|
834 return NGX_OK;
|
|
835 }
|
|
836
|
|
837
|
|
838 static ngx_int_t
|
|
839 ngx_http_cmp_locations(const ngx_queue_t *one, const ngx_queue_t *two)
|
|
840 {
|
|
841 ngx_int_t rc;
|
|
842 ngx_http_core_loc_conf_t *first, *second;
|
|
843 ngx_http_location_queue_t *lq1, *lq2;
|
|
844
|
|
845 lq1 = (ngx_http_location_queue_t *) one;
|
|
846 lq2 = (ngx_http_location_queue_t *) two;
|
|
847
|
|
848 first = lq1->exact ? lq1->exact : lq1->inclusive;
|
|
849 second = lq2->exact ? lq2->exact : lq2->inclusive;
|
|
850
|
|
851 if (first->noname && !second->noname) {
|
|
852 /* shift no named locations to the end */
|
|
853 return 1;
|
|
854 }
|
|
855
|
|
856 if (!first->noname && second->noname) {
|
|
857 /* shift no named locations to the end */
|
|
858 return -1;
|
|
859 }
|
|
860
|
|
861 if (first->noname || second->noname) {
|
|
862 /* do not sort no named locations */
|
|
863 return 0;
|
|
864 }
|
|
865
|
|
866 if (first->named && !second->named) {
|
|
867 /* shift named locations to the end */
|
|
868 return 1;
|
|
869 }
|
|
870
|
|
871 if (!first->named && second->named) {
|
|
872 /* shift named locations to the end */
|
|
873 return -1;
|
|
874 }
|
|
875
|
|
876 if (first->named && second->named) {
|
|
877 return ngx_strcmp(first->name.data, second->name.data);
|
|
878 }
|
|
879
|
|
880 #if (NGX_PCRE)
|
|
881
|
|
882 if (first->regex && !second->regex) {
|
|
883 /* shift the regex matches to the end */
|
|
884 return 1;
|
|
885 }
|
|
886
|
|
887 if (!first->regex && second->regex) {
|
|
888 /* shift the regex matches to the end */
|
|
889 return -1;
|
|
890 }
|
|
891
|
|
892 if (first->regex || second->regex) {
|
|
893 /* do not sort the regex matches */
|
|
894 return 0;
|
|
895 }
|
|
896
|
|
897 #endif
|
|
898
|
|
899 rc = ngx_strcmp(first->name.data, second->name.data);
|
|
900
|
|
901 if (rc == 0 && !first->exact_match && second->exact_match) {
|
|
902 /* an exact match must be before the same inclusive one */
|
|
903 return 1;
|
|
904 }
|
|
905
|
|
906 return rc;
|
|
907 }
|
|
908
|
|
909
|
|
910 static ngx_int_t
|
|
911 ngx_http_join_exact_locations(ngx_conf_t *cf, ngx_queue_t *locations)
|
|
912 {
|
|
913 ngx_queue_t *q, *x;
|
|
914 ngx_http_location_queue_t *lq, *lx;
|
|
915
|
|
916 q = ngx_queue_head(locations);
|
|
917
|
|
918 while (q != ngx_queue_last(locations)) {
|
|
919
|
|
920 x = ngx_queue_next(q);
|
|
921
|
|
922 lq = (ngx_http_location_queue_t *) q;
|
|
923 lx = (ngx_http_location_queue_t *) x;
|
|
924
|
|
925 if (ngx_strcmp(lq->name->data, lx->name->data) == 0) {
|
|
926
|
|
927 if ((lq->exact && lx->exact) || (lq->inclusive && lx->inclusive)) {
|
|
928 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
929 "duplicate location \"%V\" in %s:%ui",
|
|
930 lx->name, lx->file_name, lx->line);
|
|
931
|
|
932 return NGX_ERROR;
|
|
933 }
|
|
934
|
|
935 lq->inclusive = lx->inclusive;
|
|
936
|
|
937 ngx_queue_remove(x);
|
|
938
|
|
939 continue;
|
|
940 }
|
|
941
|
|
942 q = ngx_queue_next(q);
|
|
943 }
|
|
944
|
|
945 return NGX_OK;
|
|
946 }
|
|
947
|
|
948
|
|
949 static void
|
|
950 ngx_http_create_locations_list(ngx_queue_t *locations, ngx_queue_t *q)
|
|
951 {
|
|
952 u_char *name;
|
|
953 size_t len;
|
|
954 ngx_queue_t *x, tail;
|
|
955 ngx_http_location_queue_t *lq, *lx;
|
|
956
|
|
957 if (q == ngx_queue_last(locations)) {
|
|
958 return;
|
|
959 }
|
|
960
|
|
961 lq = (ngx_http_location_queue_t *) q;
|
|
962
|
|
963 if (lq->inclusive == NULL) {
|
|
964 ngx_http_create_locations_list(locations, ngx_queue_next(q));
|
|
965 return;
|
|
966 }
|
|
967
|
|
968 len = lq->name->len;
|
|
969 name = lq->name->data;
|
|
970
|
|
971 for (x = ngx_queue_next(q);
|
|
972 x != ngx_queue_sentinel(locations);
|
|
973 x = ngx_queue_next(x))
|
|
974 {
|
|
975 lx = (ngx_http_location_queue_t *) x;
|
|
976
|
|
977 if (len > lx->name->len
|
|
978 || (ngx_strncmp(name, lx->name->data, len) != 0))
|
|
979 {
|
|
980 break;
|
|
981 }
|
|
982 }
|
|
983
|
|
984 q = ngx_queue_next(q);
|
|
985
|
|
986 if (q == x) {
|
|
987 ngx_http_create_locations_list(locations, x);
|
|
988 return;
|
|
989 }
|
|
990
|
|
991 ngx_queue_split(locations, q, &tail);
|
|
992 ngx_queue_add(&lq->list, &tail);
|
|
993
|
|
994 if (x == ngx_queue_sentinel(locations)) {
|
|
995 ngx_http_create_locations_list(&lq->list, ngx_queue_head(&lq->list));
|
|
996 return;
|
|
997 }
|
|
998
|
|
999 ngx_queue_split(&lq->list, x, &tail);
|
|
1000 ngx_queue_add(locations, &tail);
|
|
1001
|
|
1002 ngx_http_create_locations_list(&lq->list, ngx_queue_head(&lq->list));
|
|
1003
|
|
1004 ngx_http_create_locations_list(locations, x);
|
|
1005 }
|
|
1006
|
|
1007
|
|
1008 /*
|
|
1009 * to keep cache locality for left leaf nodes, allocate nodes in following
|
|
1010 * order: node, left subtree, right subtree, inclusive subtree
|
|
1011 */
|
|
1012
|
|
1013 static ngx_http_location_tree_node_t *
|
|
1014 ngx_http_create_locations_tree(ngx_conf_t *cf, ngx_queue_t *locations,
|
|
1015 size_t prefix)
|
|
1016 {
|
|
1017 size_t len;
|
|
1018 ngx_queue_t *q, tail;
|
|
1019 ngx_http_location_queue_t *lq;
|
|
1020 ngx_http_location_tree_node_t *node;
|
|
1021
|
|
1022 q = ngx_queue_middle(locations);
|
|
1023
|
|
1024 lq = (ngx_http_location_queue_t *) q;
|
|
1025 len = lq->name->len - prefix;
|
|
1026
|
382
|
1027 node = ngx_palloc(cf->pool,
|
|
1028 offsetof(ngx_http_location_tree_node_t, name) + len);
|
378
|
1029 if (node == NULL) {
|
|
1030 return NULL;
|
|
1031 }
|
|
1032
|
380
|
1033 node->left = NULL;
|
|
1034 node->right = NULL;
|
|
1035 node->tree = NULL;
|
378
|
1036 node->exact = lq->exact;
|
|
1037 node->inclusive = lq->inclusive;
|
|
1038
|
|
1039 node->auto_redirect = (u_char) ((lq->exact && lq->exact->auto_redirect)
|
|
1040 || (lq->inclusive && lq->inclusive->auto_redirect));
|
|
1041
|
|
1042 node->len = (u_char) len;
|
|
1043 ngx_memcpy(node->name, &lq->name->data[prefix], len);
|
|
1044
|
|
1045 ngx_queue_split(locations, q, &tail);
|
|
1046
|
|
1047 if (ngx_queue_empty(locations)) {
|
|
1048 /*
|
|
1049 * ngx_queue_split() insures that if left part is empty,
|
|
1050 * then right one is empty too
|
|
1051 */
|
|
1052 goto inclusive;
|
|
1053 }
|
|
1054
|
|
1055 node->left = ngx_http_create_locations_tree(cf, locations, prefix);
|
|
1056 if (node->left == NULL) {
|
|
1057 return NULL;
|
|
1058 }
|
|
1059
|
|
1060 ngx_queue_remove(q);
|
|
1061
|
|
1062 if (ngx_queue_empty(&tail)) {
|
|
1063 goto inclusive;
|
|
1064 }
|
|
1065
|
|
1066 node->right = ngx_http_create_locations_tree(cf, &tail, prefix);
|
|
1067 if (node->right == NULL) {
|
|
1068 return NULL;
|
|
1069 }
|
|
1070
|
|
1071 inclusive:
|
|
1072
|
|
1073 if (ngx_queue_empty(&lq->list)) {
|
|
1074 return node;
|
|
1075 }
|
|
1076
|
|
1077 node->tree = ngx_http_create_locations_tree(cf, &lq->list, prefix + len);
|
|
1078 if (node->tree == NULL) {
|
|
1079 return NULL;
|
|
1080 }
|
|
1081
|
|
1082 return node;
|
|
1083 }
|
|
1084
|
|
1085
|
|
1086 static ngx_int_t
|
|
1087 ngx_http_init_server_lists(ngx_conf_t *cf, ngx_array_t *servers,
|
|
1088 ngx_array_t *in_ports)
|
|
1089 {
|
|
1090 ngx_uint_t s, l, p, a;
|
|
1091 ngx_http_listen_t *listen;
|
|
1092 ngx_http_conf_in_port_t *in_port;
|
|
1093 ngx_http_conf_in_addr_t *in_addr;
|
|
1094 ngx_http_core_srv_conf_t **cscfp;
|
|
1095
|
|
1096 if (ngx_array_init(in_ports, cf->temp_pool, 2,
|
142
|
1097 sizeof(ngx_http_conf_in_port_t))
|
50
|
1098 != NGX_OK)
|
4
|
1099 {
|
378
|
1100 return NGX_ERROR;
|
4
|
1101 }
|
0
|
1102
|
|
1103 /* "server" directives */
|
4
|
1104
|
378
|
1105 cscfp = servers->elts;
|
|
1106 for (s = 0; s < servers->nelts; s++) {
|
0
|
1107
|
|
1108 /* "listen" directives */
|
4
|
1109
|
378
|
1110 listen = cscfp[s]->listen.elts;
|
0
|
1111 for (l = 0; l < cscfp[s]->listen.nelts; l++) {
|
|
1112
|
|
1113 /* AF_INET only */
|
|
1114
|
378
|
1115 in_port = in_ports->elts;
|
|
1116 for (p = 0; p < in_ports->nelts; p++) {
|
0
|
1117
|
378
|
1118 if (listen[l].port != in_port[p].port) {
|
142
|
1119 continue;
|
|
1120 }
|
0
|
1121
|
142
|
1122 /* the port is already in the port list */
|
0
|
1123
|
142
|
1124 in_addr = in_port[p].addrs.elts;
|
|
1125 for (a = 0; a < in_port[p].addrs.nelts; a++) {
|
0
|
1126
|
378
|
1127 if (listen[l].addr != in_addr[a].addr) {
|
142
|
1128 continue;
|
|
1129 }
|
0
|
1130
|
142
|
1131 /* the address is already in the address list */
|
0
|
1132
|
378
|
1133 if (ngx_http_add_names(cf, cscfp[s], &in_addr[a]) != NGX_OK)
|
142
|
1134 {
|
378
|
1135 return NGX_ERROR;
|
142
|
1136 }
|
0
|
1137
|
142
|
1138 /*
|
|
1139 * check the duplicate "default" server
|
|
1140 * for this address:port
|
|
1141 */
|
0
|
1142
|
378
|
1143 if (listen[l].conf.default_server) {
|
4
|
1144
|
142
|
1145 if (in_addr[a].default_server) {
|
|
1146 ngx_log_error(NGX_LOG_ERR, cf->log, 0,
|
336
|
1147 "the duplicate default server in %s:%ui",
|
378
|
1148 listen[l].file_name, listen[l].line);
|
0
|
1149
|
378
|
1150 return NGX_ERROR;
|
142
|
1151 }
|
4
|
1152
|
142
|
1153 in_addr[a].core_srv_conf = cscfp[s];
|
|
1154 in_addr[a].default_server = 1;
|
0
|
1155 }
|
|
1156
|
142
|
1157 goto found;
|
4
|
1158 }
|
0
|
1159
|
142
|
1160 /*
|
|
1161 * add the address to the addresses list that
|
|
1162 * bound to this port
|
|
1163 */
|
0
|
1164
|
378
|
1165 if (ngx_http_add_address(cf, cscfp[s], &in_port[p], &listen[l])
|
50
|
1166 != NGX_OK)
|
4
|
1167 {
|
378
|
1168 return NGX_ERROR;
|
4
|
1169 }
|
142
|
1170
|
|
1171 goto found;
|
0
|
1172 }
|
142
|
1173
|
|
1174 /* add the port to the in_port list */
|
|
1175
|
378
|
1176 in_port = ngx_array_push(in_ports);
|
142
|
1177 if (in_port == NULL) {
|
378
|
1178 return NGX_ERROR;
|
142
|
1179 }
|
|
1180
|
378
|
1181 in_port->port = listen[l].port;
|
142
|
1182 in_port->addrs.elts = NULL;
|
|
1183
|
378
|
1184 if (ngx_http_add_address(cf, cscfp[s], in_port, &listen[l])
|
|
1185 != NGX_OK)
|
142
|
1186 {
|
378
|
1187 return NGX_ERROR;
|
142
|
1188 }
|
|
1189
|
|
1190 found:
|
|
1191
|
|
1192 continue;
|
0
|
1193 }
|
|
1194 }
|
|
1195
|
378
|
1196 return NGX_OK;
|
0
|
1197 }
|
|
1198
|
|
1199
|
4
|
1200 /*
|
|
1201 * add the server address, the server names and the server core module
|
|
1202 * configurations to the port (in_port)
|
|
1203 */
|
|
1204
|
48
|
1205 static ngx_int_t
|
378
|
1206 ngx_http_add_address(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf,
|
|
1207 ngx_http_conf_in_port_t *in_port, ngx_http_listen_t *listen)
|
4
|
1208 {
|
142
|
1209 ngx_http_conf_in_addr_t *in_addr;
|
4
|
1210
|
|
1211 if (in_port->addrs.elts == NULL) {
|
142
|
1212 if (ngx_array_init(&in_port->addrs, cf->temp_pool, 4,
|
326
|
1213 sizeof(ngx_http_conf_in_addr_t))
|
|
1214 != NGX_OK)
|
4
|
1215 {
|
|
1216 return NGX_ERROR;
|
|
1217 }
|
|
1218 }
|
|
1219
|
50
|
1220 in_addr = ngx_array_push(&in_port->addrs);
|
|
1221 if (in_addr == NULL) {
|
4
|
1222 return NGX_ERROR;
|
|
1223 }
|
|
1224
|
378
|
1225 in_addr->addr = listen->addr;
|
142
|
1226 in_addr->hash.buckets = NULL;
|
|
1227 in_addr->hash.size = 0;
|
312
|
1228 in_addr->wc_head = NULL;
|
|
1229 in_addr->wc_tail = NULL;
|
4
|
1230 in_addr->names.elts = NULL;
|
326
|
1231 #if (NGX_PCRE)
|
|
1232 in_addr->nregex = 0;
|
|
1233 in_addr->regex = NULL;
|
|
1234 #endif
|
4
|
1235 in_addr->core_srv_conf = cscf;
|
378
|
1236 in_addr->default_server = listen->conf.default_server;
|
|
1237 in_addr->bind = listen->conf.bind;
|
|
1238 in_addr->listen_conf = &listen->conf;
|
4
|
1239
|
|
1240 #if (NGX_DEBUG)
|
|
1241 {
|
|
1242 u_char text[20];
|
|
1243 ngx_inet_ntop(AF_INET, &in_addr->addr, text, 20);
|
|
1244 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, cf->log, 0, "address: %s:%d",
|
|
1245 text, in_port->port);
|
|
1246 }
|
|
1247 #endif
|
|
1248
|
378
|
1249 return ngx_http_add_names(cf, cscf, in_addr);
|
4
|
1250 }
|
|
1251
|
|
1252
|
|
1253 /*
|
|
1254 * add the server names and the server core module
|
|
1255 * configurations to the address:port (in_addr)
|
|
1256 */
|
|
1257
|
48
|
1258 static ngx_int_t
|
378
|
1259 ngx_http_add_names(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf,
|
|
1260 ngx_http_conf_in_addr_t *in_addr)
|
4
|
1261 {
|
26
|
1262 ngx_uint_t i, n;
|
4
|
1263 ngx_http_server_name_t *server_names, *name;
|
|
1264
|
|
1265 if (in_addr->names.elts == NULL) {
|
142
|
1266 if (ngx_array_init(&in_addr->names, cf->temp_pool, 4,
|
326
|
1267 sizeof(ngx_http_server_name_t))
|
|
1268 != NGX_OK)
|
26
|
1269 {
|
|
1270 return NGX_ERROR;
|
|
1271 }
|
|
1272 }
|
|
1273
|
4
|
1274 server_names = cscf->server_names.elts;
|
326
|
1275
|
4
|
1276 for (i = 0; i < cscf->server_names.nelts; i++) {
|
|
1277
|
26
|
1278 for (n = 0; n < server_names[i].name.len; n++) {
|
|
1279 server_names[i].name.data[n] =
|
|
1280 ngx_tolower(server_names[i].name.data[n]);
|
|
1281 }
|
|
1282
|
4
|
1283 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, cf->log, 0,
|
10
|
1284 "name: %V", &server_names[i].name);
|
4
|
1285
|
142
|
1286 name = ngx_array_push(&in_addr->names);
|
50
|
1287 if (name == NULL) {
|
4
|
1288 return NGX_ERROR;
|
|
1289 }
|
|
1290
|
|
1291 *name = server_names[i];
|
|
1292 }
|
|
1293
|
|
1294 return NGX_OK;
|
|
1295 }
|
|
1296
|
|
1297
|
378
|
1298 static ngx_int_t
|
|
1299 ngx_http_optimize_servers(ngx_conf_t *cf, ngx_http_core_main_conf_t *cmcf,
|
|
1300 ngx_array_t *in_ports)
|
0
|
1301 {
|
378
|
1302 ngx_int_t rc;
|
380
|
1303 ngx_uint_t s, p, a;
|
378
|
1304 ngx_hash_init_t hash;
|
|
1305 ngx_http_server_name_t *name;
|
|
1306 ngx_hash_keys_arrays_t ha;
|
|
1307 ngx_http_conf_in_port_t *in_port;
|
|
1308 ngx_http_conf_in_addr_t *in_addr;
|
|
1309 #if (NGX_PCRE)
|
380
|
1310 ngx_uint_t regex, i;
|
378
|
1311 #endif
|
|
1312
|
|
1313 in_port = in_ports->elts;
|
|
1314 for (p = 0; p < in_ports->nelts; p++) {
|
|
1315
|
|
1316 ngx_sort(in_port[p].addrs.elts, (size_t) in_port[p].addrs.nelts,
|
|
1317 sizeof(ngx_http_conf_in_addr_t), ngx_http_cmp_conf_in_addrs);
|
|
1318
|
|
1319 /*
|
|
1320 * check whether all name-based servers have
|
|
1321 * the same configuraiton as the default server
|
|
1322 */
|
|
1323
|
|
1324 in_addr = in_port[p].addrs.elts;
|
|
1325 for (a = 0; a < in_port[p].addrs.nelts; a++) {
|
|
1326
|
|
1327 name = in_addr[a].names.elts;
|
|
1328 for (s = 0; s < in_addr[a].names.nelts; s++) {
|
|
1329
|
|
1330 if (in_addr[a].core_srv_conf != name[s].core_srv_conf) {
|
|
1331 goto virtual_names;
|
|
1332 }
|
|
1333 }
|
|
1334
|
|
1335 /*
|
|
1336 * if all name-based servers have the same configuration
|
|
1337 * as the default server, then we do not need to check
|
|
1338 * them at run-time at all
|
|
1339 */
|
|
1340
|
|
1341 in_addr[a].names.nelts = 0;
|
|
1342
|
|
1343 continue;
|
|
1344
|
|
1345 virtual_names:
|
|
1346
|
|
1347 ngx_memzero(&ha, sizeof(ngx_hash_keys_arrays_t));
|
|
1348
|
|
1349 ha.temp_pool = ngx_create_pool(16384, cf->log);
|
|
1350 if (ha.temp_pool == NULL) {
|
|
1351 return NGX_ERROR;
|
|
1352 }
|
|
1353
|
|
1354 ha.pool = cf->pool;
|
|
1355
|
|
1356 if (ngx_hash_keys_array_init(&ha, NGX_HASH_LARGE) != NGX_OK) {
|
|
1357 goto failed;
|
|
1358 }
|
|
1359
|
|
1360 #if (NGX_PCRE)
|
|
1361 regex = 0;
|
|
1362 #endif
|
|
1363
|
|
1364 name = in_addr[a].names.elts;
|
|
1365
|
|
1366 for (s = 0; s < in_addr[a].names.nelts; s++) {
|
|
1367
|
|
1368 #if (NGX_PCRE)
|
|
1369 if (name[s].regex) {
|
|
1370 regex++;
|
|
1371 continue;
|
|
1372 }
|
|
1373 #endif
|
|
1374
|
|
1375 rc = ngx_hash_add_key(&ha, &name[s].name, name[s].core_srv_conf,
|
|
1376 NGX_HASH_WILDCARD_KEY);
|
|
1377
|
|
1378 if (rc == NGX_ERROR) {
|
|
1379 return NGX_ERROR;
|
|
1380 }
|
0
|
1381
|
378
|
1382 if (rc == NGX_DECLINED) {
|
|
1383 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
1384 "invalid server name or wildcard \"%V\" on %s",
|
|
1385 &name[s].name, in_addr[a].listen_conf->addr);
|
|
1386 return NGX_ERROR;
|
|
1387 }
|
|
1388
|
|
1389 if (rc == NGX_BUSY) {
|
|
1390 ngx_log_error(NGX_LOG_WARN, cf->log, 0,
|
|
1391 "conflicting server name \"%V\" on %s, ignored",
|
|
1392 &name[s].name, in_addr[a].listen_conf->addr);
|
|
1393 }
|
|
1394 }
|
|
1395
|
|
1396 hash.key = ngx_hash_key_lc;
|
|
1397 hash.max_size = cmcf->server_names_hash_max_size;
|
|
1398 hash.bucket_size = cmcf->server_names_hash_bucket_size;
|
|
1399 hash.name = "server_names_hash";
|
|
1400 hash.pool = cf->pool;
|
|
1401
|
|
1402 if (ha.keys.nelts) {
|
|
1403 hash.hash = &in_addr[a].hash;
|
|
1404 hash.temp_pool = NULL;
|
|
1405
|
|
1406 if (ngx_hash_init(&hash, ha.keys.elts, ha.keys.nelts) != NGX_OK)
|
|
1407 {
|
|
1408 goto failed;
|
|
1409 }
|
|
1410 }
|
|
1411
|
|
1412 if (ha.dns_wc_head.nelts) {
|
|
1413
|
|
1414 ngx_qsort(ha.dns_wc_head.elts,
|
|
1415 (size_t) ha.dns_wc_head.nelts,
|
|
1416 sizeof(ngx_hash_key_t),
|
|
1417 ngx_http_cmp_dns_wildcards);
|
|
1418
|
|
1419 hash.hash = NULL;
|
|
1420 hash.temp_pool = ha.temp_pool;
|
0
|
1421
|
378
|
1422 if (ngx_hash_wildcard_init(&hash, ha.dns_wc_head.elts,
|
|
1423 ha.dns_wc_head.nelts)
|
|
1424 != NGX_OK)
|
|
1425 {
|
|
1426 goto failed;
|
|
1427 }
|
|
1428
|
|
1429 in_addr[a].wc_head = (ngx_hash_wildcard_t *) hash.hash;
|
|
1430 }
|
|
1431
|
|
1432 if (ha.dns_wc_tail.nelts) {
|
|
1433
|
|
1434 ngx_qsort(ha.dns_wc_tail.elts,
|
|
1435 (size_t) ha.dns_wc_tail.nelts,
|
|
1436 sizeof(ngx_hash_key_t),
|
|
1437 ngx_http_cmp_dns_wildcards);
|
|
1438
|
|
1439 hash.hash = NULL;
|
|
1440 hash.temp_pool = ha.temp_pool;
|
|
1441
|
|
1442 if (ngx_hash_wildcard_init(&hash, ha.dns_wc_tail.elts,
|
|
1443 ha.dns_wc_tail.nelts)
|
|
1444 != NGX_OK)
|
|
1445 {
|
|
1446 goto failed;
|
|
1447 }
|
|
1448
|
|
1449 in_addr[a].wc_tail = (ngx_hash_wildcard_t *) hash.hash;
|
|
1450 }
|
|
1451
|
|
1452 ngx_destroy_pool(ha.temp_pool);
|
|
1453
|
|
1454 #if (NGX_PCRE)
|
|
1455
|
|
1456 if (regex == 0) {
|
|
1457 continue;
|
|
1458 }
|
|
1459
|
|
1460 in_addr[a].nregex = regex;
|
|
1461 in_addr[a].regex = ngx_palloc(cf->pool,
|
|
1462 regex * sizeof(ngx_http_server_name_t));
|
|
1463
|
|
1464 if (in_addr[a].regex == NULL) {
|
|
1465 return NGX_ERROR;
|
|
1466 }
|
|
1467
|
|
1468 for (i = 0, s = 0; s < in_addr[a].names.nelts; s++) {
|
|
1469 if (name[s].regex) {
|
|
1470 in_addr[a].regex[i++] = name[s];
|
|
1471 }
|
|
1472 }
|
|
1473 #endif
|
0
|
1474 }
|
|
1475
|
378
|
1476 if (ngx_http_init_listening(cf, &in_port[p]) != NGX_OK) {
|
|
1477 return NGX_ERROR;
|
0
|
1478 }
|
|
1479 }
|
|
1480
|
378
|
1481 return NGX_OK;
|
|
1482
|
|
1483 failed:
|
|
1484
|
|
1485 ngx_destroy_pool(ha.temp_pool);
|
|
1486
|
|
1487 return NGX_ERROR;
|
0
|
1488 }
|
142
|
1489
|
|
1490
|
372
|
1491 static ngx_int_t
|
142
|
1492 ngx_http_cmp_conf_in_addrs(const void *one, const void *two)
|
|
1493 {
|
|
1494 ngx_http_conf_in_addr_t *first, *second;
|
|
1495
|
|
1496 first = (ngx_http_conf_in_addr_t *) one;
|
|
1497 second = (ngx_http_conf_in_addr_t *) two;
|
|
1498
|
|
1499 if (first->addr == INADDR_ANY) {
|
|
1500 /* the INADDR_ANY must be the last resort, shift it to the end */
|
|
1501 return 1;
|
|
1502 }
|
|
1503
|
|
1504 if (first->bind && !second->bind) {
|
|
1505 /* shift explicit bind()ed addresses to the start */
|
|
1506 return -1;
|
|
1507 }
|
|
1508
|
|
1509 if (!first->bind && second->bind) {
|
|
1510 /* shift explicit bind()ed addresses to the start */
|
|
1511 return 1;
|
|
1512 }
|
|
1513
|
|
1514 /* do not sort by default */
|
|
1515
|
|
1516 return 0;
|
|
1517 }
|
|
1518
|
|
1519
|
|
1520 static int ngx_libc_cdecl
|
|
1521 ngx_http_cmp_dns_wildcards(const void *one, const void *two)
|
|
1522 {
|
|
1523 ngx_hash_key_t *first, *second;
|
|
1524
|
|
1525 first = (ngx_hash_key_t *) one;
|
|
1526 second = (ngx_hash_key_t *) two;
|
|
1527
|
|
1528 return ngx_strcmp(first->key.data, second->key.data);
|
|
1529 }
|
378
|
1530
|
|
1531
|
|
1532 static ngx_int_t
|
|
1533 ngx_http_init_listening(ngx_conf_t *cf, ngx_http_conf_in_port_t *in_port)
|
|
1534 {
|
|
1535 ngx_uint_t i, a, last, bind_all, done;
|
|
1536 ngx_listening_t *ls;
|
|
1537 ngx_http_in_port_t *hip;
|
|
1538 ngx_http_conf_in_addr_t *in_addr;
|
|
1539 ngx_http_virtual_names_t *vn;
|
|
1540 ngx_http_core_loc_conf_t *clcf;
|
|
1541 ngx_http_core_srv_conf_t *cscf;
|
|
1542
|
|
1543 in_addr = in_port->addrs.elts;
|
|
1544 last = in_port->addrs.nelts;
|
|
1545
|
|
1546 /*
|
|
1547 * if there is a binding to a "*:port" then we need to bind()
|
|
1548 * to the "*:port" only and ignore other bindings
|
|
1549 */
|
|
1550
|
|
1551 if (in_addr[last - 1].addr == INADDR_ANY) {
|
|
1552 in_addr[last - 1].bind = 1;
|
|
1553 bind_all = 0;
|
|
1554
|
|
1555 } else {
|
|
1556 bind_all = 1;
|
|
1557 }
|
|
1558
|
|
1559 a = 0;
|
|
1560
|
|
1561 while (a < last) {
|
|
1562
|
|
1563 if (!bind_all && !in_addr[a].bind) {
|
|
1564 a++;
|
|
1565 continue;
|
|
1566 }
|
|
1567
|
|
1568 ls = ngx_listening_inet_stream_socket(cf, in_addr[a].addr,
|
|
1569 in_port->port);
|
|
1570 if (ls == NULL) {
|
|
1571 return NGX_ERROR;
|
|
1572 }
|
|
1573
|
|
1574 ls->addr_ntop = 1;
|
|
1575
|
|
1576 ls->handler = ngx_http_init_connection;
|
|
1577
|
|
1578 cscf = in_addr[a].core_srv_conf;
|
|
1579 ls->pool_size = cscf->connection_pool_size;
|
|
1580 ls->post_accept_timeout = cscf->client_header_timeout;
|
|
1581
|
|
1582 clcf = cscf->ctx->loc_conf[ngx_http_core_module.ctx_index];
|
|
1583
|
|
1584 ls->log = *clcf->err_log;
|
|
1585 ls->log.data = &ls->addr_text;
|
|
1586 ls->log.handler = ngx_accept_log_error;
|
|
1587
|
|
1588 #if (NGX_WIN32)
|
|
1589 {
|
|
1590 ngx_iocp_conf_t *iocpcf;
|
|
1591
|
|
1592 iocpcf = ngx_event_get_conf(cf->cycle->conf_ctx, ngx_iocp_module);
|
|
1593 if (iocpcf->acceptex_read) {
|
|
1594 ls->post_accept_buffer_size = cscf->client_header_buffer_size;
|
|
1595 }
|
|
1596 }
|
|
1597 #endif
|
|
1598
|
|
1599 ls->backlog = in_addr[a].listen_conf->backlog;
|
|
1600 ls->rcvbuf = in_addr[a].listen_conf->rcvbuf;
|
|
1601 ls->sndbuf = in_addr[a].listen_conf->sndbuf;
|
|
1602
|
|
1603 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
1604 ls->accept_filter = in_addr[a].listen_conf->accept_filter;
|
|
1605 #endif
|
|
1606
|
|
1607 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
1608 ls->deferred_accept = in_addr[a].listen_conf->deferred_accept;
|
|
1609 #endif
|
|
1610
|
|
1611 hip = ngx_palloc(cf->pool, sizeof(ngx_http_in_port_t));
|
|
1612 if (hip == NULL) {
|
|
1613 return NGX_ERROR;
|
|
1614 }
|
|
1615
|
|
1616 hip->port = in_port->port;
|
|
1617
|
382
|
1618 hip->port_text.data = ngx_pnalloc(cf->pool, 7);
|
378
|
1619 if (hip->port_text.data == NULL) {
|
|
1620 return NGX_ERROR;
|
|
1621 }
|
|
1622
|
|
1623 ls->servers = hip;
|
|
1624
|
|
1625 hip->port_text.len = ngx_sprintf(hip->port_text.data, ":%d", hip->port)
|
|
1626 - hip->port_text.data;
|
|
1627
|
|
1628 in_addr = in_port->addrs.elts;
|
|
1629
|
|
1630 if (in_addr[a].bind && in_addr[a].addr != INADDR_ANY) {
|
|
1631 hip->naddrs = 1;
|
|
1632 done = 0;
|
|
1633
|
|
1634 } else if (in_port->addrs.nelts > 1
|
|
1635 && in_addr[last - 1].addr == INADDR_ANY)
|
|
1636 {
|
|
1637 hip->naddrs = last;
|
|
1638 done = 1;
|
|
1639
|
|
1640 } else {
|
|
1641 hip->naddrs = 1;
|
|
1642 done = 0;
|
|
1643 }
|
|
1644
|
|
1645 hip->addrs = ngx_pcalloc(cf->pool,
|
|
1646 hip->naddrs * sizeof(ngx_http_in_addr_t));
|
|
1647 if (hip->addrs == NULL) {
|
|
1648 return NGX_ERROR;
|
|
1649 }
|
|
1650
|
|
1651 for (i = 0; i < hip->naddrs; i++) {
|
|
1652 hip->addrs[i].addr = in_addr[i].addr;
|
|
1653 hip->addrs[i].core_srv_conf = in_addr[i].core_srv_conf;
|
|
1654
|
|
1655 if (in_addr[i].hash.buckets == NULL
|
|
1656 && (in_addr[i].wc_head == NULL
|
|
1657 || in_addr[i].wc_head->hash.buckets == NULL)
|
|
1658 && (in_addr[i].wc_head == NULL
|
|
1659 || in_addr[i].wc_head->hash.buckets == NULL))
|
|
1660 {
|
|
1661 continue;
|
|
1662 }
|
|
1663
|
|
1664 vn = ngx_palloc(cf->pool, sizeof(ngx_http_virtual_names_t));
|
|
1665 if (vn == NULL) {
|
|
1666 return NGX_ERROR;
|
|
1667 }
|
|
1668 hip->addrs[i].virtual_names = vn;
|
|
1669
|
|
1670 vn->names.hash = in_addr[i].hash;
|
|
1671 vn->names.wc_head = in_addr[i].wc_head;
|
|
1672 vn->names.wc_tail = in_addr[i].wc_tail;
|
|
1673 #if (NGX_PCRE)
|
|
1674 vn->nregex = in_addr[i].nregex;
|
|
1675 vn->regex = in_addr[i].regex;
|
|
1676 #endif
|
|
1677 }
|
|
1678
|
|
1679 if (done) {
|
|
1680 return NGX_OK;
|
|
1681 }
|
|
1682
|
|
1683 in_addr++;
|
|
1684 in_port->addrs.elts = in_addr;
|
|
1685 last--;
|
|
1686
|
|
1687 a = 0;
|
|
1688 }
|
|
1689
|
|
1690 return NGX_OK;
|
|
1691 }
|