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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 #ifndef _NGX_HTTP_CORE_H_INCLUDED_
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8 #define _NGX_HTTP_CORE_H_INCLUDED_
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9
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10
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11 #include <ngx_string.h>
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12 #include <ngx_array.h>
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13 #include <ngx_http.h>
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14
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15
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358
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16 #define NGX_HTTP_GZIP_PROXIED_OFF 0x0002
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17 #define NGX_HTTP_GZIP_PROXIED_EXPIRED 0x0004
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18 #define NGX_HTTP_GZIP_PROXIED_NO_CACHE 0x0008
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19 #define NGX_HTTP_GZIP_PROXIED_NO_STORE 0x0010
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20 #define NGX_HTTP_GZIP_PROXIED_PRIVATE 0x0020
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21 #define NGX_HTTP_GZIP_PROXIED_NO_LM 0x0040
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22 #define NGX_HTTP_GZIP_PROXIED_NO_ETAG 0x0080
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23 #define NGX_HTTP_GZIP_PROXIED_AUTH 0x0100
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24 #define NGX_HTTP_GZIP_PROXIED_ANY 0x0200
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25
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26
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362
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27 #define NGX_HTTP_SATISFY_ALL 0
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28 #define NGX_HTTP_SATISFY_ANY 1
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29
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30
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378
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31 typedef struct ngx_http_location_tree_node_s ngx_http_location_tree_node_t;
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32 typedef struct ngx_http_core_loc_conf_s ngx_http_core_loc_conf_t;
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33
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34
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0
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35 typedef struct {
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72
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36 unsigned default_server:1;
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37 unsigned bind:1;
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38
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39 int backlog;
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112
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40 int rcvbuf;
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41 int sndbuf;
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72
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42
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43 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
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44 char *accept_filter;
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45 #endif
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46 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
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47 ngx_uint_t deferred_accept;
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48 #endif
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49
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180
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50 u_char addr[INET_ADDRSTRLEN + 6];
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51
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72
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52 } ngx_http_listen_conf_t;
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53
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54
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55 typedef struct {
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26
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56 in_addr_t addr;
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57 in_port_t port;
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58 int family;
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72
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59
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336
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60 u_char *file_name;
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61 ngx_uint_t line;
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0
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62
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72
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63 ngx_http_listen_conf_t conf;
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0
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64 } ngx_http_listen_t;
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65
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66
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67 typedef enum {
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122
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68 NGX_HTTP_POST_READ_PHASE = 0,
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0
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69
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122
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70 NGX_HTTP_SERVER_REWRITE_PHASE,
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230
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71
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122
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72 NGX_HTTP_FIND_CONFIG_PHASE,
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38
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73 NGX_HTTP_REWRITE_PHASE,
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230
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74 NGX_HTTP_POST_REWRITE_PHASE,
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0
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75
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130
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76 NGX_HTTP_PREACCESS_PHASE,
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77
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0
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78 NGX_HTTP_ACCESS_PHASE,
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230
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79 NGX_HTTP_POST_ACCESS_PHASE,
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80
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0
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81 NGX_HTTP_CONTENT_PHASE,
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82
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130
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83 NGX_HTTP_LOG_PHASE
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0
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84 } ngx_http_phases;
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85
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230
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86 typedef struct ngx_http_phase_handler_s ngx_http_phase_handler_t;
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87
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88 typedef ngx_int_t (*ngx_http_phase_handler_pt)(ngx_http_request_t *r,
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89 ngx_http_phase_handler_t *ph);
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90
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91 struct ngx_http_phase_handler_s {
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92 ngx_http_phase_handler_pt checker;
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93 ngx_http_handler_pt handler;
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94 ngx_uint_t next;
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95 };
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96
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97
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98 typedef struct {
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99 ngx_http_phase_handler_t *handlers;
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100 ngx_uint_t server_rewrite_index;
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324
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101 ngx_uint_t location_rewrite_index;
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230
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102 } ngx_http_phase_engine_t;
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103
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0
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104
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105 typedef struct {
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26
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106 ngx_array_t handlers;
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0
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107 } ngx_http_phase_t;
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108
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109
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110 typedef struct {
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34
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111 ngx_array_t servers; /* ngx_http_core_srv_conf_t */
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26
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112
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230
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113 ngx_http_phase_engine_t phase_engine;
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0
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114
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198
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115 ngx_hash_t headers_in_hash;
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160
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116
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117 ngx_hash_t variables_hash;
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118
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119 ngx_array_t variables; /* ngx_http_variable_t */
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56
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120
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142
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121 ngx_uint_t server_names_hash_max_size;
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122 ngx_uint_t server_names_hash_bucket_size;
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34
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123
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160
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124 ngx_uint_t variables_hash_max_size;
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125 ngx_uint_t variables_hash_bucket_size;
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126
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127 ngx_hash_keys_arrays_t *variables_keys;
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230
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128
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129 ngx_http_phase_t phases[NGX_HTTP_LOG_PHASE + 1];
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0
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130 } ngx_http_core_main_conf_t;
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131
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132
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133 typedef struct {
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34
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134 /* array of the ngx_http_listen_t, "listen" directive */
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378
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135 ngx_array_t listen;
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136
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34
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137 /* array of the ngx_http_server_name_t, "server_name" directive */
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378
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138 ngx_array_t server_names;
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139
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140 /* server ctx */
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378
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141 ngx_http_conf_ctx_t *ctx;
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142
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378
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143 ngx_str_t server_name;
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142
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144
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378
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145 size_t connection_pool_size;
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146 size_t request_pool_size;
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147 size_t client_header_buffer_size;
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0
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148
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378
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149 ngx_bufs_t large_client_header_buffers;
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0
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150
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378
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151 ngx_msec_t client_header_timeout;
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0
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152
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378
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153 ngx_flag_t ignore_invalid_headers;
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154 ngx_flag_t merge_slashes;
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155
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156 ngx_http_core_loc_conf_t **named_locations;
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0
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157 } ngx_http_core_srv_conf_t;
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158
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159
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160 /* list of structures to find core_srv_conf quickly at run time */
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161
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142
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162
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163 typedef struct {
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164 in_addr_t addr;
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326
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165
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142
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166 /* the default server configuration for this address:port */
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167 ngx_http_core_srv_conf_t *core_srv_conf;
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326
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168
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142
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169 ngx_http_virtual_names_t *virtual_names;
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170 } ngx_http_in_addr_t;
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171
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172
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0
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173 typedef struct {
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26
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174 in_port_t port;
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175 ngx_str_t port_text;
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142
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176 ngx_http_in_addr_t *addrs;
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177 ngx_uint_t naddrs;
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0
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178 } ngx_http_in_port_t;
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179
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180
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142
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181 typedef struct {
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182 in_port_t port;
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183 ngx_array_t addrs; /* array of ngx_http_conf_in_addr_t */
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184 } ngx_http_conf_in_port_t;
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185
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186
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187 typedef struct {
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0
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188 in_addr_t addr;
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26
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189
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142
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190 ngx_hash_t hash;
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312
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191 ngx_hash_wildcard_t *wc_head;
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192 ngx_hash_wildcard_t *wc_tail;
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142
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193
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194 ngx_array_t names; /* array of ngx_http_server_name_t */
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26
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195
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326
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196 #if (NGX_PCRE)
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197 ngx_uint_t nregex;
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198 ngx_http_server_name_t *regex;
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199 #endif
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200
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26
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201 /* the default server configuration for this address:port */
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202 ngx_http_core_srv_conf_t *core_srv_conf;
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0
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203
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142
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204 unsigned default_server:1;
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205 unsigned bind:1;
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206
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207 ngx_http_listen_conf_t *listen_conf;
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208 } ngx_http_conf_in_addr_t;
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0
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209
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210
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326
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211 struct ngx_http_server_name_s {
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212 #if (NGX_PCRE)
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213 ngx_regex_t *regex;
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214 #endif
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215 ngx_http_core_srv_conf_t *core_srv_conf; /* virtual name server conf */
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0
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216 ngx_str_t name;
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326
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217 };
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0
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218
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219
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220 typedef struct {
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222
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221 ngx_int_t status;
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222 ngx_int_t overwrite;
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223 ngx_str_t uri;
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372
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224 ngx_str_t args;
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222
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225 ngx_array_t *uri_lengths;
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226 ngx_array_t *uri_values;
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0
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227 } ngx_http_err_page_t;
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228
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229
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230 struct ngx_http_core_loc_conf_s {
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231 ngx_str_t name; /* location name */
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232
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4
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233 #if (NGX_PCRE)
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0
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234 ngx_regex_t *regex;
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235 #endif
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236
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324
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237 unsigned noname:1; /* "if () {}" block or limit_except */
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238 unsigned named:1;
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34
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239
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0
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240 unsigned exact_match:1;
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16
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241 unsigned noregex:1;
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242
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0
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243 unsigned auto_redirect:1;
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244 unsigned alias:1;
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245
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378
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246 ngx_http_location_tree_node_t *static_locations;
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247 ngx_http_core_loc_conf_t **regex_locations;
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0
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248
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249 /* pointer to the modules' loc_conf */
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378
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250 void **loc_conf;
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0
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251
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180
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252 uint32_t limit_except;
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378
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253 void **limit_except_loc_conf;
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180
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254
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0
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255 ngx_http_handler_pt handler;
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256
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126
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257 ngx_str_t root; /* root, alias */
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258 ngx_str_t post_action;
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259
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144
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260 ngx_array_t *root_lengths;
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261 ngx_array_t *root_values;
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262
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138
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263 ngx_array_t *types;
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264 ngx_hash_t types_hash;
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265 ngx_str_t default_type;
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266
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212
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267 off_t client_max_body_size; /* client_max_body_size */
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268
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0
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269 size_t client_body_buffer_size; /* client_body_buffer_size */
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270 size_t send_lowat; /* send_lowat */
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271 size_t postpone_output; /* postpone_output */
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272 size_t limit_rate; /* limit_rate */
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300
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273 size_t sendfile_max_chunk; /* sendfile_max_chunk */
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0
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274
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275 ngx_msec_t client_body_timeout; /* client_body_timeout */
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276 ngx_msec_t send_timeout; /* send_timeout */
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277 ngx_msec_t keepalive_timeout; /* keepalive_timeout */
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278 ngx_msec_t lingering_time; /* lingering_time */
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279 ngx_msec_t lingering_timeout; /* lingering_timeout */
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348
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280 ngx_msec_t resolver_timeout; /* resolver_timeout */
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281
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282 ngx_resolver_t *resolver; /* resolver */
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0
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283
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284 time_t keepalive_header; /* keepalive_timeout */
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285
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362
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286 ngx_uint_t satisfy; /* satisfy */
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287
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58
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288 ngx_flag_t internal; /* internal */
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182
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289 ngx_flag_t client_body_in_file_only; /* client_body_in_file_only */
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0
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290 ngx_flag_t sendfile; /* sendfile */
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291 ngx_flag_t tcp_nopush; /* tcp_nopush */
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2
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292 ngx_flag_t tcp_nodelay; /* tcp_nodelay */
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0
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293 ngx_flag_t reset_timedout_connection; /* reset_timedout_connection */
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362
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294 ngx_flag_t server_name_in_redirect; /* server_name_in_redirect */
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70
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295 ngx_flag_t port_in_redirect; /* port_in_redirect */
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0
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296 ngx_flag_t msie_padding; /* msie_padding */
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228
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297 ngx_flag_t msie_refresh; /* msie_refresh */
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76
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298 ngx_flag_t log_not_found; /* log_not_found */
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228
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299 ngx_flag_t recursive_error_pages; /* recursive_error_pages */
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342
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300 ngx_flag_t server_tokens; /* server_tokens */
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0
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301
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358
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302 #if (NGX_HTTP_GZIP)
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303 ngx_flag_t gzip_vary; /* gzip_vary */
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304
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305 ngx_uint_t gzip_http_version; /* gzip_http_version */
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306 ngx_uint_t gzip_proxied; /* gzip_proxied */
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307
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308 #if (NGX_PCRE)
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309 ngx_array_t *gzip_disable; /* gzip_disable */
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310 #endif
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311 #endif
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312
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0
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313 ngx_array_t *error_pages; /* error_page */
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314
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28
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315 ngx_path_t *client_body_temp_path; /* client_body_temp_path */
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316
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332
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317 ngx_open_file_cache_t *open_file_cache;
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358
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318 time_t open_file_cache_valid;
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319 ngx_uint_t open_file_cache_min_uses;
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332
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320 ngx_flag_t open_file_cache_errors;
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321 ngx_flag_t open_file_cache_events;
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0
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322
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323 ngx_log_t *err_log;
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324
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138
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325 ngx_uint_t types_hash_max_size;
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326 ngx_uint_t types_hash_bucket_size;
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327
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378
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328 ngx_queue_t *locations;
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329
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34
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330 #if 0
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0
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331 ngx_http_core_loc_conf_t *prev_location;
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34
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332 #endif
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0
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333 };
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334
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335
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378
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336 typedef struct {
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337 ngx_queue_t queue;
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338 ngx_http_core_loc_conf_t *exact;
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339 ngx_http_core_loc_conf_t *inclusive;
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340 ngx_str_t *name;
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341 u_char *file_name;
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342 ngx_uint_t line;
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343 ngx_queue_t list;
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344 } ngx_http_location_queue_t;
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345
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346
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347 struct ngx_http_location_tree_node_s {
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348 ngx_http_location_tree_node_t *left;
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349 ngx_http_location_tree_node_t *right;
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350 ngx_http_location_tree_node_t *tree;
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351
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352 ngx_http_core_loc_conf_t *exact;
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353 ngx_http_core_loc_conf_t *inclusive;
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354
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355 u_char auto_redirect;
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356 u_char len;
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357 u_char name[1];
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358 };
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359
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360
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230
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361 void ngx_http_core_run_phases(ngx_http_request_t *r);
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362 ngx_int_t ngx_http_core_generic_phase(ngx_http_request_t *r,
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363 ngx_http_phase_handler_t *ph);
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364 ngx_int_t ngx_http_core_find_config_phase(ngx_http_request_t *r,
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365 ngx_http_phase_handler_t *ph);
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366 ngx_int_t ngx_http_core_post_rewrite_phase(ngx_http_request_t *r,
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367 ngx_http_phase_handler_t *ph);
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368 ngx_int_t ngx_http_core_access_phase(ngx_http_request_t *r,
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369 ngx_http_phase_handler_t *ph);
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370 ngx_int_t ngx_http_core_post_access_phase(ngx_http_request_t *r,
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371 ngx_http_phase_handler_t *ph);
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372 ngx_int_t ngx_http_core_content_phase(ngx_http_request_t *r,
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373 ngx_http_phase_handler_t *ph);
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0
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374
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375 ngx_int_t ngx_http_set_content_type(ngx_http_request_t *r);
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376 ngx_int_t ngx_http_set_exten(ngx_http_request_t *r);
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106
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377 u_char *ngx_http_map_uri_to_path(ngx_http_request_t *r, ngx_str_t *name,
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248
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378 size_t *root_length, size_t reserved);
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88
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379 ngx_int_t ngx_http_auth_basic_user(ngx_http_request_t *r);
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362
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380 ngx_int_t ngx_http_server_addr(ngx_http_request_t *r, ngx_str_t *s);
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358
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381 #if (NGX_HTTP_GZIP)
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382 ngx_int_t ngx_http_gzip_ok(ngx_http_request_t *r);
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383 #endif
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384
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0
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385
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58
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386 ngx_int_t ngx_http_subrequest(ngx_http_request_t *r,
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244
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387 ngx_str_t *uri, ngx_str_t *args, ngx_http_request_t **sr,
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248
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388 ngx_http_post_subrequest_t *psr, ngx_uint_t flags);
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0
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389 ngx_int_t ngx_http_internal_redirect(ngx_http_request_t *r,
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48
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390 ngx_str_t *uri, ngx_str_t *args);
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324
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391 ngx_int_t ngx_http_named_location(ngx_http_request_t *r, ngx_str_t *name);
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392
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34
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393
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118
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394 ngx_http_cleanup_t *ngx_http_cleanup_add(ngx_http_request_t *r, size_t size);
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395
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0
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396
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397 typedef ngx_int_t (*ngx_http_output_header_filter_pt)(ngx_http_request_t *r);
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398 typedef ngx_int_t (*ngx_http_output_body_filter_pt)
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48
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399 (ngx_http_request_t *r, ngx_chain_t *chain);
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0
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400
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401
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402 ngx_int_t ngx_http_output_filter(ngx_http_request_t *r, ngx_chain_t *chain);
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403 ngx_int_t ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *chain);
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404
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405
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126
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406 extern ngx_module_t ngx_http_core_module;
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407
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408 extern ngx_uint_t ngx_http_max_module;
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409
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410
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411 #define ngx_http_clear_content_length(r) \
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412 \
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413 r->headers_out.content_length_n = -1; \
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414 if (r->headers_out.content_length) { \
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415 r->headers_out.content_length->hash = 0; \
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416 r->headers_out.content_length = NULL; \
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417 }
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418 \
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419 #define ngx_http_clear_accept_ranges(r) \
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420 \
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130
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421 r->allow_ranges = 0; \
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126
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422 if (r->headers_out.accept_ranges) { \
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378
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423 r->headers_out.accept_ranges->hash = 0; \
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126
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424 r->headers_out.accept_ranges = NULL; \
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425 }
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426
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427 #define ngx_http_clear_last_modified(r) \
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428 \
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429 r->headers_out.last_modified_time = -1; \
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430 if (r->headers_out.last_modified) { \
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431 r->headers_out.last_modified->hash = 0; \
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432 r->headers_out.last_modified = NULL; \
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433 }
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434
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435
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0
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436 #endif /* _NGX_HTTP_CORE_H_INCLUDED_ */
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