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annotate src/stream/ngx_stream_realip_module.c @ 6684:9cac11efb205

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Stream: realip module.
author Dmitry Volyntsev <xeioex@nginx.com>
date Thu, 01 Sep 2016 14:45:33 +0300
parents src/http/modules/ngx_http_realip_module.c@6b1b8c4b7a95
children 3908156a51fa
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58475592100c nginx-0.3.8-RELEASE import
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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58475592100c nginx-0.3.8-RELEASE import
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_stream.h>
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12
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13 typedef struct {
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14 ngx_array_t *from; /* array of ngx_cidr_t */
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15 } ngx_stream_realip_srv_conf_t;
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17
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18 typedef struct {
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19 struct sockaddr *sockaddr;
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20 socklen_t socklen;
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21 ngx_str_t addr_text;
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22 } ngx_stream_realip_ctx_t;
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24
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25 static ngx_int_t ngx_stream_realip_handler(ngx_stream_session_t *s);
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26 static ngx_int_t ngx_stream_realip_set_addr(ngx_stream_session_t *s,
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27 ngx_addr_t *addr);
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28 static char *ngx_stream_realip_from(ngx_conf_t *cf, ngx_command_t *cmd,
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29 void *conf);
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30 static void *ngx_stream_realip_create_srv_conf(ngx_conf_t *cf);
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31 static char *ngx_stream_realip_merge_srv_conf(ngx_conf_t *cf, void *parent,
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32 void *child);
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33 static ngx_int_t ngx_stream_realip_add_variables(ngx_conf_t *cf);
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34 static ngx_int_t ngx_stream_realip_init(ngx_conf_t *cf);
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37 static ngx_int_t ngx_stream_realip_remote_addr_variable(ngx_stream_session_t *s,
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38 ngx_stream_variable_value_t *v, uintptr_t data);
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39 static ngx_int_t ngx_stream_realip_remote_port_variable(ngx_stream_session_t *s,
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40 ngx_stream_variable_value_t *v, uintptr_t data);
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43 static ngx_command_t ngx_stream_realip_commands[] = {
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45 { ngx_string("set_real_ip_from"),
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46 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1,
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47 ngx_stream_realip_from,
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48 NGX_STREAM_SRV_CONF_OFFSET,
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49 0,
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50 NULL },
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51
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52 ngx_null_command
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53 };
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55
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56 static ngx_stream_module_t ngx_stream_realip_module_ctx = {
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57 ngx_stream_realip_add_variables, /* preconfiguration */
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58 ngx_stream_realip_init, /* postconfiguration */
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60 NULL, /* create main configuration */
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61 NULL, /* init main configuration */
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62
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63 ngx_stream_realip_create_srv_conf, /* create server configuration */
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64 ngx_stream_realip_merge_srv_conf /* merge server configuration */
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65 };
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68 ngx_module_t ngx_stream_realip_module = {
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69 NGX_MODULE_V1,
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70 &ngx_stream_realip_module_ctx, /* module context */
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71 ngx_stream_realip_commands, /* module directives */
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72 NGX_STREAM_MODULE, /* module type */
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73 NULL, /* init master */
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74 NULL, /* init module */
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75 NULL, /* init process */
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76 NULL, /* init thread */
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77 NULL, /* exit thread */
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78 NULL, /* exit process */
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79 NULL, /* exit master */
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80 NGX_MODULE_V1_PADDING
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81 };
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83
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84 static ngx_stream_variable_t ngx_stream_realip_vars[] = {
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86 { ngx_string("realip_remote_addr"), NULL,
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87 ngx_stream_realip_remote_addr_variable, 0, 0, 0 },
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88
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89 { ngx_string("realip_remote_port"), NULL,
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90 ngx_stream_realip_remote_port_variable, 0, 0, 0 },
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91
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92 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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93 };
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95
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96 static ngx_int_t
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97 ngx_stream_realip_handler(ngx_stream_session_t *s)
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98 {
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99 ngx_addr_t addr;
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100 ngx_connection_t *c;
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101 ngx_stream_realip_srv_conf_t *rscf;
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102
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103 rscf = ngx_stream_get_module_srv_conf(s, ngx_stream_realip_module);
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104
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105 if (rscf->from == NULL) {
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106 return NGX_DECLINED;
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107 }
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108
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109 c = s->connection;
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110
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111 if (c->proxy_protocol_addr.len == 0) {
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112 return NGX_DECLINED;
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113 }
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114
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115 if (ngx_cidr_match(c->sockaddr, rscf->from) != NGX_OK) {
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116 return NGX_DECLINED;
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117 }
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118
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119 if (ngx_parse_addr(c->pool, &addr, c->proxy_protocol_addr.data,
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120 c->proxy_protocol_addr.len)
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121 != NGX_OK)
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122 {
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123 return NGX_DECLINED;
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124 }
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125
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126 ngx_inet_set_port(addr.sockaddr, c->proxy_protocol_port);
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127
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128 return ngx_stream_realip_set_addr(s, &addr);
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129 }
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130
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131
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132 static ngx_int_t
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133 ngx_stream_realip_set_addr(ngx_stream_session_t *s, ngx_addr_t *addr)
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134 {
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parents: 6671
diff changeset
135 size_t len;
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
136 u_char *p;
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
137 u_char text[NGX_SOCKADDR_STRLEN];
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
138 ngx_connection_t *c;
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
139 ngx_stream_realip_ctx_t *ctx;
573
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parents:
diff changeset
140
6684
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Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
141 c = s->connection;
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
142
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
143 ctx = ngx_palloc(c->pool, sizeof(ngx_stream_realip_ctx_t));
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
144 if (ctx == NULL) {
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
145 return NGX_ERROR;
3274
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
146 }
2176
29d26406e1bd restore connection address on request closure,
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
147
5263
05ba5bce31e0 Core: extended ngx_sock_ntop() with socklen parameter.
Vladimir Homutov <vl@nginx.com>
parents: 5084
diff changeset
148 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
149 NGX_SOCKADDR_STRLEN, 0);
4624
df93068953c0 realip: chains of trusted proxies and IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4562
diff changeset
150 if (len == 0) {
6684
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
151 return NGX_ERROR;
3274
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
152 }
1114
3f354952e91d fix broken values, debug logging, and style fix
Igor Sysoev <igor@sysoev.ru>
parents: 986
diff changeset
153
3274
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
154 p = ngx_pnalloc(c->pool, len);
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
155 if (p == NULL) {
6684
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
156 return NGX_ERROR;
3274
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
157 }
1118
cec2866f29bd a client address must be allocated from a connection pool
Igor Sysoev <igor@sysoev.ru>
parents: 1114
diff changeset
158
4624
df93068953c0 realip: chains of trusted proxies and IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4562
diff changeset
159 ngx_memcpy(p, text, len);
2176
29d26406e1bd restore connection address on request closure,
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
160
6684
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
161 ngx_stream_set_ctx(s, ctx, ngx_stream_realip_module);
2176
29d26406e1bd restore connection address on request closure,
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
162
3274
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
163 ctx->sockaddr = c->sockaddr;
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
164 ctx->socklen = c->socklen;
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
165 ctx->addr_text = c->addr_text;
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166
4624
df93068953c0 realip: chains of trusted proxies and IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4562
diff changeset
167 c->sockaddr = addr->sockaddr;
df93068953c0 realip: chains of trusted proxies and IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4562
diff changeset
168 c->socklen = addr->socklen;
3274
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
169 c->addr_text.len = len;
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
170 c->addr_text.data = p;
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171
986
68c85f283043 ngx_http_realip_module must return NGX_DECLINED
Igor Sysoev <igor@sysoev.ru>
parents: 681
diff changeset
172 return NGX_DECLINED;
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
175
6684
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
176 static char *
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
177 ngx_stream_realip_from(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
2176
29d26406e1bd restore connection address on request closure,
Igor Sysoev <igor@sysoev.ru>
parents: 2049
diff changeset
178 {
6684
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
179 ngx_stream_realip_srv_conf_t *rscf = conf;
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180
2257
74d270c8821e real_ip_header supports any header
Igor Sysoev <igor@sysoev.ru>
parents: 2202
diff changeset
181 ngx_int_t rc;
74d270c8821e real_ip_header supports any header
Igor Sysoev <igor@sysoev.ru>
parents: 2202
diff changeset
182 ngx_str_t *value;
4624
df93068953c0 realip: chains of trusted proxies and IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4562
diff changeset
183 ngx_cidr_t *cidr;
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
184
3274
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
185 value = cf->args->elts;
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
186
6684
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
187 if (rscf->from == NULL) {
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
188 rscf->from = ngx_array_create(cf->pool, 2,
4624
df93068953c0 realip: chains of trusted proxies and IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4562
diff changeset
189 sizeof(ngx_cidr_t));
6684
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
190 if (rscf->from == NULL) {
4624
df93068953c0 realip: chains of trusted proxies and IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4562
diff changeset
191 return NGX_CONF_ERROR;
df93068953c0 realip: chains of trusted proxies and IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4562
diff changeset
192 }
df93068953c0 realip: chains of trusted proxies and IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4562
diff changeset
193 }
df93068953c0 realip: chains of trusted proxies and IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4562
diff changeset
194
6684
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
195 cidr = ngx_array_push(rscf->from);
4624
df93068953c0 realip: chains of trusted proxies and IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4562
diff changeset
196 if (cidr == NULL) {
df93068953c0 realip: chains of trusted proxies and IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4562
diff changeset
197 return NGX_CONF_ERROR;
df93068953c0 realip: chains of trusted proxies and IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4562
diff changeset
198 }
df93068953c0 realip: chains of trusted proxies and IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4562
diff changeset
199
3274
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
200 #if (NGX_HAVE_UNIX_DOMAIN)
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
201
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
202 if (ngx_strcmp(value[1].data, "unix:") == 0) {
6474
Ruslan Ermilov <ru@nginx.com>
parents: 6294
diff changeset
203 cidr->family = AF_UNIX;
Ruslan Ermilov <ru@nginx.com>
parents: 6294
diff changeset
204 return NGX_CONF_OK;
3274
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
205 }
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
206
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
207 #endif
95b0b0d7843f set_real_ip_from unix:
Igor Sysoev <igor@sysoev.ru>
parents: 3273
diff changeset
208
4624
df93068953c0 realip: chains of trusted proxies and IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4562
diff changeset
209 rc = ngx_ptocidr(&value[1], cidr);
1380
b590a528fd41 ignore meaningless bits in CIDR and warn about them
Igor Sysoev <igor@sysoev.ru>
parents: 1118
diff changeset
210
b590a528fd41 ignore meaningless bits in CIDR and warn about them
Igor Sysoev <igor@sysoev.ru>
parents: 1118
diff changeset
211 if (rc == NGX_ERROR) {
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%V\"",
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213 &value[1]);
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214 return NGX_CONF_ERROR;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216
1380
b590a528fd41 ignore meaningless bits in CIDR and warn about them
Igor Sysoev <igor@sysoev.ru>
parents: 1118
diff changeset
217 if (rc == NGX_DONE) {
b590a528fd41 ignore meaningless bits in CIDR and warn about them
Igor Sysoev <igor@sysoev.ru>
parents: 1118
diff changeset
218 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
b590a528fd41 ignore meaningless bits in CIDR and warn about them
Igor Sysoev <igor@sysoev.ru>
parents: 1118
diff changeset
219 "low address bits of %V are meaningless", &value[1]);
b590a528fd41 ignore meaningless bits in CIDR and warn about them
Igor Sysoev <igor@sysoev.ru>
parents: 1118
diff changeset
220 }
b590a528fd41 ignore meaningless bits in CIDR and warn about them
Igor Sysoev <igor@sysoev.ru>
parents: 1118
diff changeset
221
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
222 return NGX_CONF_OK;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
223 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
224
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
225
6684
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
226 static void *
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
227 ngx_stream_realip_create_srv_conf(ngx_conf_t *cf)
2257
74d270c8821e real_ip_header supports any header
Igor Sysoev <igor@sysoev.ru>
parents: 2202
diff changeset
228 {
6684
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
229 ngx_stream_realip_srv_conf_t *conf;
2257
74d270c8821e real_ip_header supports any header
Igor Sysoev <igor@sysoev.ru>
parents: 2202
diff changeset
230
6684
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
231 conf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_realip_srv_conf_t));
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
232 if (conf == NULL) {
2912
c7d57b539248 return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents: 2537
diff changeset
233 return NULL;
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
235
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
236 /*
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
237 * set by ngx_pcalloc():
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
238 *
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 * conf->from = NULL;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
240 */
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
241
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
242 return conf;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
243 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
244
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
245
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
246 static char *
6684
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
247 ngx_stream_realip_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
248 {
6684
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
249 ngx_stream_realip_srv_conf_t *prev = parent;
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
250 ngx_stream_realip_srv_conf_t *conf = child;
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
251
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
252 if (conf->from == NULL) {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
253 conf->from = prev->from;
3305
8017f9bda3f6 fix "set_real_ip_from unix:" inheritance
Igor Sysoev <igor@sysoev.ru>
parents: 3291
diff changeset
254 }
8017f9bda3f6 fix "set_real_ip_from unix:" inheritance
Igor Sysoev <igor@sysoev.ru>
parents: 3291
diff changeset
255
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
256 return NGX_CONF_OK;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
257 }
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
258
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
259
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
260 static ngx_int_t
6684
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
261 ngx_stream_realip_add_variables(ngx_conf_t *cf)
6294
cebe43bace93 Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents: 5605
diff changeset
262 {
6684
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
263 ngx_stream_variable_t *var, *v;
6294
cebe43bace93 Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents: 5605
diff changeset
264
6684
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
265 for (v = ngx_stream_realip_vars; v->name.len; v++) {
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
266 var = ngx_stream_add_variable(cf, &v->name, v->flags);
6294
cebe43bace93 Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents: 5605
diff changeset
267 if (var == NULL) {
cebe43bace93 Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents: 5605
diff changeset
268 return NGX_ERROR;
cebe43bace93 Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents: 5605
diff changeset
269 }
cebe43bace93 Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents: 5605
diff changeset
270
cebe43bace93 Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents: 5605
diff changeset
271 var->get_handler = v->get_handler;
cebe43bace93 Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents: 5605
diff changeset
272 var->data = v->data;
cebe43bace93 Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents: 5605
diff changeset
273 }
cebe43bace93 Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents: 5605
diff changeset
274
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275 return NGX_OK;
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276 }
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277
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278
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279 static ngx_int_t
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280 ngx_stream_realip_init(ngx_conf_t *cf)
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
281 {
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282 ngx_stream_core_main_conf_t *cmcf;
573
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parents:
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283
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284 cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module);
573
58475592100c nginx-0.3.8-RELEASE import
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parents:
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285
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286 cmcf->realip_handler = ngx_stream_realip_handler;
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
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287
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
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288 return NGX_OK;
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
289 }
6294
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290
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291
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292 static ngx_int_t
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293 ngx_stream_realip_remote_addr_variable(ngx_stream_session_t *s,
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
294 ngx_stream_variable_value_t *v, uintptr_t data)
6294
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parents: 5605
diff changeset
295 {
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296 ngx_str_t *addr_text;
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297 ngx_stream_realip_ctx_t *ctx;
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298
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299 ctx = ngx_stream_get_module_ctx(s, ngx_stream_realip_module);
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300
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301 addr_text = ctx ? &ctx->addr_text : &s->connection->addr_text;
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302
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diff changeset
303 v->len = addr_text->len;
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304 v->valid = 1;
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305 v->no_cacheable = 0;
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diff changeset
306 v->not_found = 0;
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diff changeset
307 v->data = addr_text->data;
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diff changeset
308
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parents: 5605
diff changeset
309 return NGX_OK;
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diff changeset
310 }
6562
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diff changeset
311
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Dmitry Volyntsev <xeioex@nginx.com>
parents: 6474
diff changeset
312
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parents: 6474
diff changeset
313 static ngx_int_t
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diff changeset
314 ngx_stream_realip_remote_port_variable(ngx_stream_session_t *s,
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parents: 6671
diff changeset
315 ngx_stream_variable_value_t *v, uintptr_t data)
6562
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parents: 6474
diff changeset
316 {
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diff changeset
317 ngx_uint_t port;
9cac11efb205 Stream: realip module.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6671
diff changeset
318 struct sockaddr *sa;
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parents: 6671
diff changeset
319 ngx_stream_realip_ctx_t *ctx;
6562
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parents: 6474
diff changeset
320
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diff changeset
321 ctx = ngx_stream_get_module_ctx(s, ngx_stream_realip_module);
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parents: 6474
diff changeset
322
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diff changeset
323 sa = ctx ? ctx->sockaddr : s->connection->sockaddr;
6562
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parents: 6474
diff changeset
324
b13d3a6f0512 Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6474
diff changeset
325 v->len = 0;
b13d3a6f0512 Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6474
diff changeset
326 v->valid = 1;
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Dmitry Volyntsev <xeioex@nginx.com>
parents: 6474
diff changeset
327 v->no_cacheable = 0;
b13d3a6f0512 Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6474
diff changeset
328 v->not_found = 0;
b13d3a6f0512 Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6474
diff changeset
329
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diff changeset
330 v->data = ngx_pnalloc(s->connection->pool, sizeof("65535") - 1);
6562
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Dmitry Volyntsev <xeioex@nginx.com>
parents: 6474
diff changeset
331 if (v->data == NULL) {
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Dmitry Volyntsev <xeioex@nginx.com>
parents: 6474
diff changeset
332 return NGX_ERROR;
b13d3a6f0512 Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6474
diff changeset
333 }
b13d3a6f0512 Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6474
diff changeset
334
6593
b3b7e33083ac Introduced ngx_inet_get_port() and ngx_inet_set_port() functions.
Roman Arutyunyan <arut@nginx.com>
parents: 6565
diff changeset
335 port = ngx_inet_get_port(sa);
6562
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Dmitry Volyntsev <xeioex@nginx.com>
parents: 6474
diff changeset
336
b13d3a6f0512 Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6474
diff changeset
337 if (port > 0 && port < 65536) {
b13d3a6f0512 Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6474
diff changeset
338 v->len = ngx_sprintf(v->data, "%ui", port) - v->data;
b13d3a6f0512 Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6474
diff changeset
339 }
b13d3a6f0512 Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6474
diff changeset
340
b13d3a6f0512 Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6474
diff changeset
341 return NGX_OK;
b13d3a6f0512 Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents: 6474
diff changeset
342 }