Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_realip_module.c @ 9020:1c3b78d7cdc9
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author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Sat, 28 Jan 2023 05:20:23 +0300 |
parents | ef6a3a99a81a |
children |
rev | line source |
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573 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
573 | 5 */ |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
11 | |
12 | |
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13 #define NGX_HTTP_REALIP_XREALIP 0 |
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14 #define NGX_HTTP_REALIP_XFWD 1 |
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15 #define NGX_HTTP_REALIP_HEADER 2 |
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16 #define NGX_HTTP_REALIP_PROXY 3 |
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17 |
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18 |
573 | 19 typedef struct { |
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20 ngx_array_t *from; /* array of ngx_cidr_t */ |
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21 ngx_uint_t type; |
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22 ngx_uint_t hash; |
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23 ngx_str_t header; |
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24 ngx_flag_t recursive; |
573 | 25 } ngx_http_realip_loc_conf_t; |
26 | |
27 | |
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28 typedef struct { |
3274 | 29 ngx_connection_t *connection; |
30 struct sockaddr *sockaddr; | |
31 socklen_t socklen; | |
32 ngx_str_t addr_text; | |
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33 } ngx_http_realip_ctx_t; |
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34 |
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35 |
573 | 36 static ngx_int_t ngx_http_realip_handler(ngx_http_request_t *r); |
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37 static ngx_int_t ngx_http_realip_set_addr(ngx_http_request_t *r, |
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38 ngx_addr_t *addr); |
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39 static void ngx_http_realip_cleanup(void *data); |
573 | 40 static char *ngx_http_realip_from(ngx_conf_t *cf, ngx_command_t *cmd, |
41 void *conf); | |
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42 static char *ngx_http_realip(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
573 | 43 static void *ngx_http_realip_create_loc_conf(ngx_conf_t *cf); |
44 static char *ngx_http_realip_merge_loc_conf(ngx_conf_t *cf, | |
45 void *parent, void *child); | |
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46 static ngx_int_t ngx_http_realip_add_variables(ngx_conf_t *cf); |
681 | 47 static ngx_int_t ngx_http_realip_init(ngx_conf_t *cf); |
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48 static ngx_http_realip_ctx_t *ngx_http_realip_get_module_ctx( |
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49 ngx_http_request_t *r); |
573 | 50 |
51 | |
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52 static ngx_int_t ngx_http_realip_remote_addr_variable(ngx_http_request_t *r, |
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53 ngx_http_variable_value_t *v, uintptr_t data); |
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54 static ngx_int_t ngx_http_realip_remote_port_variable(ngx_http_request_t *r, |
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55 ngx_http_variable_value_t *v, uintptr_t data); |
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56 |
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57 |
573 | 58 static ngx_command_t ngx_http_realip_commands[] = { |
59 | |
60 { ngx_string("set_real_ip_from"), | |
61 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
62 ngx_http_realip_from, | |
63 NGX_HTTP_LOC_CONF_OFFSET, | |
64 0, | |
65 NULL }, | |
66 | |
67 { ngx_string("real_ip_header"), | |
68 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
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69 ngx_http_realip, |
573 | 70 NGX_HTTP_LOC_CONF_OFFSET, |
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71 0, |
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72 NULL }, |
573 | 73 |
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74 { ngx_string("real_ip_recursive"), |
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75 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
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76 ngx_conf_set_flag_slot, |
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77 NGX_HTTP_LOC_CONF_OFFSET, |
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78 offsetof(ngx_http_realip_loc_conf_t, recursive), |
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79 NULL }, |
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80 |
573 | 81 ngx_null_command |
82 }; | |
83 | |
84 | |
85 | |
667 | 86 static ngx_http_module_t ngx_http_realip_module_ctx = { |
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87 ngx_http_realip_add_variables, /* preconfiguration */ |
681 | 88 ngx_http_realip_init, /* postconfiguration */ |
573 | 89 |
90 NULL, /* create main configuration */ | |
91 NULL, /* init main configuration */ | |
92 | |
93 NULL, /* create server configuration */ | |
94 NULL, /* merge server configuration */ | |
95 | |
96 ngx_http_realip_create_loc_conf, /* create location configuration */ | |
97 ngx_http_realip_merge_loc_conf /* merge location configuration */ | |
98 }; | |
99 | |
100 | |
101 ngx_module_t ngx_http_realip_module = { | |
102 NGX_MODULE_V1, | |
103 &ngx_http_realip_module_ctx, /* module context */ | |
104 ngx_http_realip_commands, /* module directives */ | |
105 NGX_HTTP_MODULE, /* module type */ | |
106 NULL, /* init master */ | |
681 | 107 NULL, /* init module */ |
573 | 108 NULL, /* init process */ |
109 NULL, /* init thread */ | |
110 NULL, /* exit thread */ | |
111 NULL, /* exit process */ | |
112 NULL, /* exit master */ | |
113 NGX_MODULE_V1_PADDING | |
114 }; | |
115 | |
116 | |
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117 static ngx_http_variable_t ngx_http_realip_vars[] = { |
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118 |
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119 { ngx_string("realip_remote_addr"), NULL, |
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120 ngx_http_realip_remote_addr_variable, 0, 0, 0 }, |
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121 |
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122 { ngx_string("realip_remote_port"), NULL, |
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123 ngx_http_realip_remote_port_variable, 0, 0, 0 }, |
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124 |
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125 ngx_http_null_variable |
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126 }; |
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127 |
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128 |
573 | 129 static ngx_int_t |
130 ngx_http_realip_handler(ngx_http_request_t *r) | |
131 { | |
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132 u_char *p; |
573 | 133 size_t len; |
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134 ngx_str_t *value; |
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135 ngx_uint_t i, hash; |
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136 ngx_addr_t addr; |
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137 ngx_list_part_t *part; |
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138 ngx_table_elt_t *header, *xfwd; |
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139 ngx_connection_t *c; |
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140 ngx_http_realip_ctx_t *ctx; |
573 | 141 ngx_http_realip_loc_conf_t *rlcf; |
142 | |
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143 rlcf = ngx_http_get_module_loc_conf(r, ngx_http_realip_module); |
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144 |
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145 if (rlcf->from == NULL) { |
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146 return NGX_DECLINED; |
573 | 147 } |
148 | |
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149 ctx = ngx_http_realip_get_module_ctx(r); |
573 | 150 |
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151 if (ctx) { |
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152 return NGX_DECLINED; |
573 | 153 } |
154 | |
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155 switch (rlcf->type) { |
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156 |
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157 case NGX_HTTP_REALIP_XREALIP: |
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158 |
573 | 159 if (r->headers_in.x_real_ip == NULL) { |
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160 return NGX_DECLINED; |
573 | 161 } |
162 | |
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163 value = &r->headers_in.x_real_ip->value; |
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164 xfwd = NULL; |
573 | 165 |
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166 break; |
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167 |
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168 case NGX_HTTP_REALIP_XFWD: |
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169 |
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170 xfwd = r->headers_in.x_forwarded_for; |
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171 |
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172 if (xfwd == NULL) { |
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173 return NGX_DECLINED; |
573 | 174 } |
175 | |
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176 value = NULL; |
573 | 177 |
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178 break; |
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179 |
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180 case NGX_HTTP_REALIP_PROXY: |
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181 |
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182 if (r->connection->proxy_protocol == NULL) { |
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183 return NGX_DECLINED; |
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184 } |
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185 |
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186 value = &r->connection->proxy_protocol->src_addr; |
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187 xfwd = NULL; |
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188 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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189 break; |
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Added server-side support for PROXY protocol v1 (ticket #355).
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190 |
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191 default: /* NGX_HTTP_REALIP_HEADER */ |
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192 |
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193 part = &r->headers_in.headers.part; |
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194 header = part->elts; |
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195 |
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196 hash = rlcf->hash; |
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197 len = rlcf->header.len; |
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198 p = rlcf->header.data; |
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199 |
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200 for (i = 0; /* void */ ; i++) { |
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201 |
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202 if (i >= part->nelts) { |
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203 if (part->next == NULL) { |
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204 break; |
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205 } |
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206 |
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207 part = part->next; |
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208 header = part->elts; |
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209 i = 0; |
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210 } |
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211 |
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212 if (hash == header[i].hash |
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213 && len == header[i].key.len |
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214 && ngx_strncmp(p, header[i].lowcase_key, len) == 0) |
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215 { |
5084
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Correctly handle multiple X-Forwarded-For headers (ticket #106).
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|
216 value = &header[i].value; |
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Correctly handle multiple X-Forwarded-For headers (ticket #106).
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217 xfwd = NULL; |
2257
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218 |
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219 goto found; |
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220 } |
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|
221 } |
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222 |
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223 return NGX_DECLINED; |
573 | 224 } |
225 | |
2257
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226 found: |
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227 |
2176
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228 c = r->connection; |
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229 |
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230 addr.sockaddr = c->sockaddr; |
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231 addr.socklen = c->socklen; |
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|
232 /* addr.name = c->addr_text; */ |
3274 | 233 |
5084
f7fe817c92a2
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|
234 if (ngx_http_get_forwarded_addr(r, &addr, xfwd, value, rlcf->from, |
4624
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|
235 rlcf->recursive) |
5084
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|
236 != NGX_DECLINED) |
4624
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|
237 { |
6563
26feae43987f
Realip: take client port from PROXY protocol header.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
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diff
changeset
|
238 if (rlcf->type == NGX_HTTP_REALIP_PROXY) { |
7590
06b01840bd42
Core: moved PROXY protocol fields out of ngx_connection_t.
Roman Arutyunyan <arut@nginx.com>
parents:
7077
diff
changeset
|
239 ngx_inet_set_port(addr.sockaddr, c->proxy_protocol->src_port); |
6563
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|
240 } |
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|
241 |
4624
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242 return ngx_http_realip_set_addr(r, &addr); |
3274 | 243 } |
244 | |
245 return NGX_DECLINED; | |
246 } | |
247 | |
573 | 248 |
3274 | 249 static ngx_int_t |
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250 ngx_http_realip_set_addr(ngx_http_request_t *r, ngx_addr_t *addr) |
3274 | 251 { |
4624
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|
252 size_t len; |
3274 | 253 u_char *p; |
4624
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|
254 u_char text[NGX_SOCKADDR_STRLEN]; |
3274 | 255 ngx_connection_t *c; |
256 ngx_pool_cleanup_t *cln; | |
257 ngx_http_realip_ctx_t *ctx; | |
573 | 258 |
3274 | 259 cln = ngx_pool_cleanup_add(r->pool, sizeof(ngx_http_realip_ctx_t)); |
260 if (cln == NULL) { | |
261 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
262 } | |
2176
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263 |
3274 | 264 ctx = cln->data; |
1114
3f354952e91d
fix broken values, debug logging, and style fix
Igor Sysoev <igor@sysoev.ru>
parents:
986
diff
changeset
|
265 |
3274 | 266 c = r->connection; |
267 | |
5263
05ba5bce31e0
Core: extended ngx_sock_ntop() with socklen parameter.
Vladimir Homutov <vl@nginx.com>
parents:
5084
diff
changeset
|
268 len = ngx_sock_ntop(addr->sockaddr, addr->socklen, text, |
05ba5bce31e0
Core: extended ngx_sock_ntop() with socklen parameter.
Vladimir Homutov <vl@nginx.com>
parents:
5084
diff
changeset
|
269 NGX_SOCKADDR_STRLEN, 0); |
4624
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|
270 if (len == 0) { |
3274 | 271 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
272 } | |
1114
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|
273 |
3274 | 274 p = ngx_pnalloc(c->pool, len); |
275 if (p == NULL) { | |
276 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
277 } | |
1118
cec2866f29bd
a client address must be allocated from a connection pool
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diff
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|
278 |
4624
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279 ngx_memcpy(p, text, len); |
2176
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|
280 |
3274 | 281 cln->handler = ngx_http_realip_cleanup; |
6671
6b1b8c4b7a95
Realip: fixed uninitialized memory access.
Roman Arutyunyan <arut@nginx.com>
parents:
6593
diff
changeset
|
282 ngx_http_set_ctx(r, ctx, ngx_http_realip_module); |
2176
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|
283 |
3274 | 284 ctx->connection = c; |
285 ctx->sockaddr = c->sockaddr; | |
286 ctx->socklen = c->socklen; | |
287 ctx->addr_text = c->addr_text; | |
573 | 288 |
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289 c->sockaddr = addr->sockaddr; |
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|
290 c->socklen = addr->socklen; |
3274 | 291 c->addr_text.len = len; |
292 c->addr_text.data = p; | |
573 | 293 |
986
68c85f283043
ngx_http_realip_module must return NGX_DECLINED
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
294 return NGX_DECLINED; |
573 | 295 } |
296 | |
297 | |
2176
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|
298 static void |
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|
299 ngx_http_realip_cleanup(void *data) |
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300 { |
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|
301 ngx_http_realip_ctx_t *ctx = data; |
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|
302 |
3273
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support IPv6 addresses in Real IP headers
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diff
changeset
|
303 ngx_connection_t *c; |
2176
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304 |
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|
305 c = ctx->connection; |
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|
306 |
3273
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support IPv6 addresses in Real IP headers
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diff
changeset
|
307 c->sockaddr = ctx->sockaddr; |
fe71be4a02f1
support IPv6 addresses in Real IP headers
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|
308 c->socklen = ctx->socklen; |
2176
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|
309 c->addr_text = ctx->addr_text; |
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310 } |
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311 |
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|
312 |
573 | 313 static char * |
314 ngx_http_realip_from(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
315 { | |
316 ngx_http_realip_loc_conf_t *rlcf = conf; | |
317 | |
6997
df1a62c83b1b
Realip: allow hostnames in set_real_ip_from (ticket #1180).
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diff
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|
318 ngx_int_t rc; |
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|
319 ngx_str_t *value; |
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Realip: allow hostnames in set_real_ip_from (ticket #1180).
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|
320 ngx_url_t u; |
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|
321 ngx_cidr_t c, *cidr; |
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|
322 ngx_uint_t i; |
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|
323 struct sockaddr_in *sin; |
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|
324 #if (NGX_HAVE_INET6) |
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|
325 struct sockaddr_in6 *sin6; |
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|
326 #endif |
573 | 327 |
3274 | 328 value = cf->args->elts; |
329 | |
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330 if (rlcf->from == NULL) { |
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331 rlcf->from = ngx_array_create(cf->pool, 2, |
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|
332 sizeof(ngx_cidr_t)); |
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333 if (rlcf->from == NULL) { |
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|
334 return NGX_CONF_ERROR; |
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|
335 } |
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|
336 } |
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|
337 |
3274 | 338 #if (NGX_HAVE_UNIX_DOMAIN) |
339 | |
340 if (ngx_strcmp(value[1].data, "unix:") == 0) { | |
6997
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Realip: allow hostnames in set_real_ip_from (ticket #1180).
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changeset
|
341 cidr = ngx_array_push(rlcf->from); |
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|
342 if (cidr == NULL) { |
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|
343 return NGX_CONF_ERROR; |
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344 } |
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|
345 |
6474 | 346 cidr->family = AF_UNIX; |
347 return NGX_CONF_OK; | |
3274 | 348 } |
349 | |
350 #endif | |
351 | |
6997
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352 rc = ngx_ptocidr(&value[1], &c); |
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353 |
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354 if (rc != NGX_ERROR) { |
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355 if (rc == NGX_DONE) { |
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356 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
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357 "low address bits of %V are meaningless", |
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358 &value[1]); |
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359 } |
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360 |
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361 cidr = ngx_array_push(rlcf->from); |
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362 if (cidr == NULL) { |
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363 return NGX_CONF_ERROR; |
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364 } |
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365 |
6997
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366 *cidr = c; |
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367 |
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368 return NGX_CONF_OK; |
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369 } |
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370 |
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371 ngx_memzero(&u, sizeof(ngx_url_t)); |
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372 u.host = value[1]; |
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373 |
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374 if (ngx_inet_resolve_host(cf->pool, &u) != NGX_OK) { |
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375 if (u.err) { |
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376 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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377 "%s in set_real_ip_from \"%V\"", |
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378 u.err, &u.host); |
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379 } |
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380 |
573 | 381 return NGX_CONF_ERROR; |
382 } | |
383 | |
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384 cidr = ngx_array_push_n(rlcf->from, u.naddrs); |
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385 if (cidr == NULL) { |
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386 return NGX_CONF_ERROR; |
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387 } |
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388 |
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389 ngx_memzero(cidr, u.naddrs * sizeof(ngx_cidr_t)); |
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390 |
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391 for (i = 0; i < u.naddrs; i++) { |
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392 cidr[i].family = u.addrs[i].sockaddr->sa_family; |
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393 |
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394 switch (cidr[i].family) { |
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395 |
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396 #if (NGX_HAVE_INET6) |
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397 case AF_INET6: |
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398 sin6 = (struct sockaddr_in6 *) u.addrs[i].sockaddr; |
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399 cidr[i].u.in6.addr = sin6->sin6_addr; |
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400 ngx_memset(cidr[i].u.in6.mask.s6_addr, 0xff, 16); |
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401 break; |
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402 #endif |
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403 |
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404 default: /* AF_INET */ |
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405 sin = (struct sockaddr_in *) u.addrs[i].sockaddr; |
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406 cidr[i].u.in.addr = sin->sin_addr.s_addr; |
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407 cidr[i].u.in.mask = 0xffffffff; |
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408 break; |
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409 } |
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410 } |
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411 |
573 | 412 return NGX_CONF_OK; |
413 } | |
414 | |
415 | |
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416 static char * |
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417 ngx_http_realip(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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418 { |
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419 ngx_http_realip_loc_conf_t *rlcf = conf; |
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420 |
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421 ngx_str_t *value; |
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422 |
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423 if (rlcf->type != NGX_CONF_UNSET_UINT) { |
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424 return "is duplicate"; |
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425 } |
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426 |
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427 value = cf->args->elts; |
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428 |
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429 if (ngx_strcmp(value[1].data, "X-Real-IP") == 0) { |
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430 rlcf->type = NGX_HTTP_REALIP_XREALIP; |
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431 return NGX_CONF_OK; |
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432 } |
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433 |
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434 if (ngx_strcmp(value[1].data, "X-Forwarded-For") == 0) { |
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435 rlcf->type = NGX_HTTP_REALIP_XFWD; |
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436 return NGX_CONF_OK; |
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437 } |
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438 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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439 if (ngx_strcmp(value[1].data, "proxy_protocol") == 0) { |
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440 rlcf->type = NGX_HTTP_REALIP_PROXY; |
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441 return NGX_CONF_OK; |
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442 } |
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Added server-side support for PROXY protocol v1 (ticket #355).
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443 |
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444 rlcf->type = NGX_HTTP_REALIP_HEADER; |
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445 rlcf->hash = ngx_hash_strlow(value[1].data, value[1].data, value[1].len); |
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446 rlcf->header = value[1]; |
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447 |
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448 return NGX_CONF_OK; |
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449 } |
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450 |
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451 |
573 | 452 static void * |
453 ngx_http_realip_create_loc_conf(ngx_conf_t *cf) | |
454 { | |
455 ngx_http_realip_loc_conf_t *conf; | |
456 | |
457 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_realip_loc_conf_t)); | |
458 if (conf == NULL) { | |
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459 return NULL; |
573 | 460 } |
461 | |
462 /* | |
463 * set by ngx_pcalloc(): | |
464 * | |
465 * conf->from = NULL; | |
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466 * conf->hash = 0; |
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467 * conf->header = { 0, NULL }; |
573 | 468 */ |
469 | |
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470 conf->type = NGX_CONF_UNSET_UINT; |
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471 conf->recursive = NGX_CONF_UNSET; |
573 | 472 |
473 return conf; | |
474 } | |
475 | |
476 | |
477 static char * | |
478 ngx_http_realip_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
479 { | |
480 ngx_http_realip_loc_conf_t *prev = parent; | |
481 ngx_http_realip_loc_conf_t *conf = child; | |
482 | |
483 if (conf->from == NULL) { | |
484 conf->from = prev->from; | |
3305
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485 } |
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486 |
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487 ngx_conf_merge_uint_value(conf->type, prev->type, NGX_HTTP_REALIP_XREALIP); |
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488 ngx_conf_merge_value(conf->recursive, prev->recursive, 0); |
2257
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
489 |
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real_ip_header supports any header
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parents:
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|
490 if (conf->header.len == 0) { |
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real_ip_header supports any header
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diff
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|
491 conf->hash = prev->hash; |
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492 conf->header = prev->header; |
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|
493 } |
573 | 494 |
495 return NGX_CONF_OK; | |
496 } | |
497 | |
498 | |
499 static ngx_int_t | |
6294
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Realip: the $realip_remote_addr variable.
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|
500 ngx_http_realip_add_variables(ngx_conf_t *cf) |
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Realip: the $realip_remote_addr variable.
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|
501 { |
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Realip: the $realip_remote_addr variable.
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diff
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|
502 ngx_http_variable_t *var, *v; |
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Realip: the $realip_remote_addr variable.
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|
503 |
cebe43bace93
Realip: the $realip_remote_addr variable.
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diff
changeset
|
504 for (v = ngx_http_realip_vars; v->name.len; v++) { |
cebe43bace93
Realip: the $realip_remote_addr variable.
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diff
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|
505 var = ngx_http_add_variable(cf, &v->name, v->flags); |
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Realip: the $realip_remote_addr variable.
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diff
changeset
|
506 if (var == NULL) { |
cebe43bace93
Realip: the $realip_remote_addr variable.
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diff
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|
507 return NGX_ERROR; |
cebe43bace93
Realip: the $realip_remote_addr variable.
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diff
changeset
|
508 } |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
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diff
changeset
|
509 |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
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diff
changeset
|
510 var->get_handler = v->get_handler; |
cebe43bace93
Realip: the $realip_remote_addr variable.
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diff
changeset
|
511 var->data = v->data; |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
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diff
changeset
|
512 } |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
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diff
changeset
|
513 |
cebe43bace93
Realip: the $realip_remote_addr variable.
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diff
changeset
|
514 return NGX_OK; |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
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diff
changeset
|
515 } |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
516 |
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Realip: the $realip_remote_addr variable.
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diff
changeset
|
517 |
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Realip: the $realip_remote_addr variable.
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diff
changeset
|
518 static ngx_int_t |
681 | 519 ngx_http_realip_init(ngx_conf_t *cf) |
573 | 520 { |
521 ngx_http_handler_pt *h; | |
522 ngx_http_core_main_conf_t *cmcf; | |
523 | |
681 | 524 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
573 | 525 |
526 h = ngx_array_push(&cmcf->phases[NGX_HTTP_POST_READ_PHASE].handlers); | |
527 if (h == NULL) { | |
528 return NGX_ERROR; | |
529 } | |
530 | |
531 *h = ngx_http_realip_handler; | |
532 | |
581 | 533 h = ngx_array_push(&cmcf->phases[NGX_HTTP_PREACCESS_PHASE].handlers); |
573 | 534 if (h == NULL) { |
535 return NGX_ERROR; | |
536 } | |
537 | |
538 *h = ngx_http_realip_handler; | |
539 | |
540 return NGX_OK; | |
541 } | |
6294
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
542 |
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
543 |
6562
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Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
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diff
changeset
|
544 static ngx_http_realip_ctx_t * |
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Added the $realip_remote_port variable.
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changeset
|
545 ngx_http_realip_get_module_ctx(ngx_http_request_t *r) |
6294
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Realip: the $realip_remote_addr variable.
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|
546 { |
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Realip: the $realip_remote_addr variable.
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diff
changeset
|
547 ngx_pool_cleanup_t *cln; |
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Realip: the $realip_remote_addr variable.
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parents:
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diff
changeset
|
548 ngx_http_realip_ctx_t *ctx; |
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Realip: the $realip_remote_addr variable.
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parents:
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diff
changeset
|
549 |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
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diff
changeset
|
550 ctx = ngx_http_get_module_ctx(r, ngx_http_realip_module); |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
551 |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
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diff
changeset
|
552 if (ctx == NULL && (r->internal || r->filter_finalize)) { |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
553 |
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
554 /* |
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
555 * if module context was reset, the original address |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
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diff
changeset
|
556 * can still be found in the cleanup handler |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
557 */ |
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Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
558 |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
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diff
changeset
|
559 for (cln = r->pool->cleanup; cln; cln = cln->next) { |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
560 if (cln->handler == ngx_http_realip_cleanup) { |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
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diff
changeset
|
561 ctx = cln->data; |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
562 break; |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
563 } |
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
564 } |
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
565 } |
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
566 |
6562
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
567 return ctx; |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
568 } |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
569 |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
570 |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
571 static ngx_int_t |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
572 ngx_http_realip_remote_addr_variable(ngx_http_request_t *r, |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
573 ngx_http_variable_value_t *v, uintptr_t data) |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
574 { |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
575 ngx_str_t *addr_text; |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
576 ngx_http_realip_ctx_t *ctx; |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
577 |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
578 ctx = ngx_http_realip_get_module_ctx(r); |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
579 |
6294
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
580 addr_text = ctx ? &ctx->addr_text : &r->connection->addr_text; |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
581 |
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
582 v->len = addr_text->len; |
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
583 v->valid = 1; |
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
584 v->no_cacheable = 0; |
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
585 v->not_found = 0; |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
586 v->data = addr_text->data; |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
587 |
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
588 return NGX_OK; |
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
589 } |
6562
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
590 |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
591 |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
592 static ngx_int_t |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
593 ngx_http_realip_remote_port_variable(ngx_http_request_t *r, |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
594 ngx_http_variable_value_t *v, uintptr_t data) |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
595 { |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
596 ngx_uint_t port; |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
597 struct sockaddr *sa; |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
598 ngx_http_realip_ctx_t *ctx; |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
599 |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
600 ctx = ngx_http_realip_get_module_ctx(r); |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
601 |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
602 sa = ctx ? ctx->sockaddr : r->connection->sockaddr; |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
603 |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
604 v->len = 0; |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
605 v->valid = 1; |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
606 v->no_cacheable = 0; |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
607 v->not_found = 0; |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
608 |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
609 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
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Added the $realip_remote_port variable.
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parents:
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diff
changeset
|
610 if (v->data == NULL) { |
b13d3a6f0512
Added the $realip_remote_port variable.
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6474
diff
changeset
|
611 return NGX_ERROR; |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
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diff
changeset
|
612 } |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
613 |
6593
b3b7e33083ac
Introduced ngx_inet_get_port() and ngx_inet_set_port() functions.
Roman Arutyunyan <arut@nginx.com>
parents:
6565
diff
changeset
|
614 port = ngx_inet_get_port(sa); |
6562
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
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diff
changeset
|
615 |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
616 if (port > 0 && port < 65536) { |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
617 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
b13d3a6f0512
Added the $realip_remote_port variable.
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diff
changeset
|
618 } |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
619 |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
620 return NGX_OK; |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
621 } |