Mercurial > hg > nginx
annotate src/http/modules/ngx_http_access_module.c @ 631:5d2b8078c1c2 release-0.3.37
nginx-0.3.37-RELEASE import
*) Feature: the "limit_except" directive.
*) Feature: the "if" directive supports the "!~", "!~*", "-f", and
"!-f" operators.
*) Feature: the ngx_http_perl_module supports the $r->request_body
method.
*) Bugfix: in the ngx_http_addition_filter_module.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 07 Apr 2006 14:08:04 +0000 |
parents | 58475592100c |
children | 6d5c1535bb9d |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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10 |
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11 |
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12 /* AF_INET only */ |
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13 |
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14 typedef struct { |
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15 in_addr_t mask; |
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16 in_addr_t addr; |
573 | 17 ngx_uint_t deny; /* unsigned deny:1; */ |
368
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18 } ngx_http_access_rule_t; |
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19 |
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20 |
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21 typedef struct { |
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22 ngx_array_t *rules; /* array of ngx_http_access_rule_t */ |
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23 } ngx_http_access_loc_conf_t; |
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24 |
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25 |
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26 static ngx_int_t ngx_http_access_handler(ngx_http_request_t *r); |
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27 static char *ngx_http_access_rule(ngx_conf_t *cf, ngx_command_t *cmd, |
501 | 28 void *conf); |
368
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29 static void *ngx_http_access_create_loc_conf(ngx_conf_t *cf); |
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30 static char *ngx_http_access_merge_loc_conf(ngx_conf_t *cf, |
501 | 31 void *parent, void *child); |
368
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32 static ngx_int_t ngx_http_access_init(ngx_cycle_t *cycle); |
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33 |
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34 |
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35 static ngx_command_t ngx_http_access_commands[] = { |
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36 |
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37 { ngx_string("allow"), |
631 | 38 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF |
39 |NGX_CONF_TAKE1, | |
368
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40 ngx_http_access_rule, |
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41 NGX_HTTP_LOC_CONF_OFFSET, |
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42 0, |
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43 NULL }, |
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44 |
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45 { ngx_string("deny"), |
631 | 46 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF |
47 |NGX_CONF_TAKE1, | |
368
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48 ngx_http_access_rule, |
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49 NGX_HTTP_LOC_CONF_OFFSET, |
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50 0, |
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51 NULL }, |
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52 |
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53 ngx_null_command |
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54 }; |
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55 |
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56 |
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57 |
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58 ngx_http_module_t ngx_http_access_module_ctx = { |
509 | 59 NULL, /* preconfiguration */ |
60 NULL, /* postconfiguration */ | |
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61 |
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62 NULL, /* create main configuration */ |
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63 NULL, /* init main configuration */ |
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64 |
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65 NULL, /* create server configuration */ |
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66 NULL, /* merge server configuration */ |
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67 |
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68 ngx_http_access_create_loc_conf, /* create location configuration */ |
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69 ngx_http_access_merge_loc_conf /* merge location configuration */ |
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70 }; |
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71 |
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72 |
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73 ngx_module_t ngx_http_access_module = { |
509 | 74 NGX_MODULE_V1, |
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75 &ngx_http_access_module_ctx, /* module context */ |
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76 ngx_http_access_commands, /* module directives */ |
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77 NGX_HTTP_MODULE, /* module type */ |
541 | 78 NULL, /* init master */ |
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79 ngx_http_access_init, /* init module */ |
541 | 80 NULL, /* init process */ |
81 NULL, /* init thread */ | |
82 NULL, /* exit thread */ | |
83 NULL, /* exit process */ | |
84 NULL, /* exit master */ | |
85 NGX_MODULE_V1_PADDING | |
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86 }; |
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87 |
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88 |
501 | 89 static ngx_int_t |
90 ngx_http_access_handler(ngx_http_request_t *r) | |
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91 { |
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92 ngx_uint_t i; |
479 | 93 struct sockaddr_in *sin; |
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94 ngx_http_access_rule_t *rule; |
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95 ngx_http_access_loc_conf_t *alcf; |
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96 |
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97 alcf = ngx_http_get_module_loc_conf(r, ngx_http_access_module); |
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98 |
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99 if (alcf->rules == NULL) { |
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100 return NGX_OK; |
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101 } |
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102 |
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103 /* AF_INET only */ |
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104 |
479 | 105 sin = (struct sockaddr_in *) r->connection->sockaddr; |
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106 |
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107 rule = alcf->rules->elts; |
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108 for (i = 0; i < alcf->rules->nelts; i++) { |
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109 |
461 | 110 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
573 | 111 "access: %08XD %08XD %08XD", |
479 | 112 sin->sin_addr.s_addr, rule[i].mask, rule[i].addr); |
404
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113 |
479 | 114 if ((sin->sin_addr.s_addr & rule[i].mask) == rule[i].addr) { |
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115 if (rule[i].deny) { |
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116 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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117 "access forbidden by rule"); |
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118 |
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119 return NGX_HTTP_FORBIDDEN; |
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120 } |
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121 |
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122 return NGX_OK; |
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123 } |
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parents:
diff
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124 } |
15c84a40e87d
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
125 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
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parents:
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126 return NGX_OK; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
127 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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128 |
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parents:
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129 |
501 | 130 static char * |
131 ngx_http_access_rule(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
368
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parents:
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132 { |
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parents:
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133 ngx_http_access_loc_conf_t *alcf = conf; |
15c84a40e87d
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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134 |
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parents:
diff
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135 ngx_str_t *value; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
136 ngx_inet_cidr_t in_cidr; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
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parents:
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137 ngx_http_access_rule_t *rule; |
15c84a40e87d
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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138 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
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139 if (alcf->rules == NULL) { |
501 | 140 alcf->rules = ngx_array_create(cf->pool, 4, |
368
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
141 sizeof(ngx_http_access_rule_t)); |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
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parents:
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|
142 if (alcf->rules == NULL) { |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
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143 return NGX_CONF_ERROR; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
144 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
145 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
146 |
501 | 147 rule = ngx_array_push(alcf->rules); |
148 if (rule == NULL) { | |
368
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nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
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149 return NGX_CONF_ERROR; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
150 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
151 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
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152 value = cf->args->elts; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
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153 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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154 rule->deny = (value[0].data[0] == 'd') ? 1 : 0; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
155 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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156 if (value[1].len == 3 && ngx_strcmp(value[1].data, "all") == 0) { |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
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157 rule->mask = 0; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
158 rule->addr = 0; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
159 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
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160 return NGX_CONF_OK; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
161 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
162 |
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nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
163 rule->addr = inet_addr((char *) value[1].data); |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
164 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
165 if (rule->addr != INADDR_NONE) { |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
166 rule->mask = 0xffffffff; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
167 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
168 return NGX_CONF_OK; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
169 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
170 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
171 if (ngx_ptocidr(&value[1], &in_cidr) == NGX_ERROR) { |
485 | 172 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%V\"", |
461 | 173 &value[1]); |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
174 return NGX_CONF_ERROR; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
176 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
177 rule->mask = in_cidr.mask; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
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178 rule->addr = in_cidr.addr; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
179 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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180 return NGX_CONF_OK; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
181 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
182 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
183 |
501 | 184 static void * |
185 ngx_http_access_create_loc_conf(ngx_conf_t *cf) | |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
186 { |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
187 ngx_http_access_loc_conf_t *conf; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
188 |
501 | 189 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_access_loc_conf_t)); |
190 if (conf == NULL) { | |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
191 return NGX_CONF_ERROR; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
192 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
193 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
194 return conf; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
195 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
196 |
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nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
197 |
501 | 198 static char * |
199 ngx_http_access_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
200 { |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
201 ngx_http_access_loc_conf_t *prev = parent; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
202 ngx_http_access_loc_conf_t *conf = child; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
203 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
204 if (conf->rules == NULL) { |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
205 conf->rules = prev->rules; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
206 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
207 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
208 return NGX_CONF_OK; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
209 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
210 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
211 |
501 | 212 static ngx_int_t |
213 ngx_http_access_init(ngx_cycle_t *cycle) | |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
214 { |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
215 ngx_http_handler_pt *h; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 ngx_http_core_main_conf_t *cmcf; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
217 |
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
368
diff
changeset
|
218 cmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_core_module); |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
219 |
501 | 220 h = ngx_array_push(&cmcf->phases[NGX_HTTP_ACCESS_PHASE].handlers); |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
221 if (h == NULL) { |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
222 return NGX_ERROR; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
223 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
224 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
225 *h = ngx_http_access_handler; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
226 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
227 return NGX_OK; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
228 } |