Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_access_module.c @ 546:a292162e6680
release-0.2.1 tag
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 23 Sep 2005 14:43:49 +0000 |
parents | b09ee85d0ac8 |
children | 58475592100c |
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; |
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17 unsigned deny; |
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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"), |
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38 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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39 ngx_http_access_rule, |
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40 NGX_HTTP_LOC_CONF_OFFSET, |
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41 0, |
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42 NULL }, |
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43 |
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44 { ngx_string("deny"), |
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45 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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46 ngx_http_access_rule, |
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47 NGX_HTTP_LOC_CONF_OFFSET, |
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48 0, |
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49 NULL }, |
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50 |
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51 ngx_null_command |
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52 }; |
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53 |
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54 |
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55 |
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56 ngx_http_module_t ngx_http_access_module_ctx = { |
509 | 57 NULL, /* preconfiguration */ |
58 NULL, /* postconfiguration */ | |
368
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59 |
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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 NULL, /* create server configuration */ |
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64 NULL, /* merge server configuration */ |
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65 |
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66 ngx_http_access_create_loc_conf, /* create location configuration */ |
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67 ngx_http_access_merge_loc_conf /* merge location configuration */ |
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68 }; |
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69 |
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70 |
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71 ngx_module_t ngx_http_access_module = { |
509 | 72 NGX_MODULE_V1, |
368
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73 &ngx_http_access_module_ctx, /* module context */ |
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74 ngx_http_access_commands, /* module directives */ |
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75 NGX_HTTP_MODULE, /* module type */ |
541 | 76 NULL, /* init master */ |
368
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77 ngx_http_access_init, /* init module */ |
541 | 78 NULL, /* init process */ |
79 NULL, /* init thread */ | |
80 NULL, /* exit thread */ | |
81 NULL, /* exit process */ | |
82 NULL, /* exit master */ | |
83 NGX_MODULE_V1_PADDING | |
368
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84 }; |
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85 |
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86 |
501 | 87 static ngx_int_t |
88 ngx_http_access_handler(ngx_http_request_t *r) | |
368
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89 { |
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90 ngx_uint_t i; |
479 | 91 struct sockaddr_in *sin; |
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92 ngx_http_access_rule_t *rule; |
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93 ngx_http_access_loc_conf_t *alcf; |
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94 |
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95 alcf = ngx_http_get_module_loc_conf(r, ngx_http_access_module); |
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96 |
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97 if (alcf->rules == NULL) { |
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98 return NGX_OK; |
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99 } |
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100 |
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101 /* AF_INET only */ |
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102 |
479 | 103 sin = (struct sockaddr_in *) r->connection->sockaddr; |
368
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104 |
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105 rule = alcf->rules->elts; |
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106 for (i = 0; i < alcf->rules->nelts; i++) { |
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107 |
461 | 108 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
109 "%08XD %08XD %08XD", | |
479 | 110 sin->sin_addr.s_addr, rule[i].mask, rule[i].addr); |
404
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111 |
479 | 112 if ((sin->sin_addr.s_addr & rule[i].mask) == rule[i].addr) { |
368
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113 if (rule[i].deny) { |
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114 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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115 "access forbidden by rule"); |
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116 |
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117 return NGX_HTTP_FORBIDDEN; |
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118 } |
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119 |
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120 return NGX_OK; |
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121 } |
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nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
122 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
123 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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124 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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|
125 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
126 |
15c84a40e87d
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
127 |
501 | 128 static char * |
129 ngx_http_access_rule(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
368
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parents:
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130 { |
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parents:
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131 ngx_http_access_loc_conf_t *alcf = conf; |
15c84a40e87d
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Igor Sysoev <igor@sysoev.ru>
parents:
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132 |
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parents:
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133 ngx_str_t *value; |
15c84a40e87d
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parents:
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|
134 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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|
135 ngx_http_access_rule_t *rule; |
15c84a40e87d
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Igor Sysoev <igor@sysoev.ru>
parents:
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136 |
15c84a40e87d
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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137 if (alcf->rules == NULL) { |
501 | 138 alcf->rules = ngx_array_create(cf->pool, 4, |
368
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
139 sizeof(ngx_http_access_rule_t)); |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
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parents:
diff
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|
140 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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141 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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|
142 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
143 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
144 |
501 | 145 rule = ngx_array_push(alcf->rules); |
146 if (rule == NULL) { | |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
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147 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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|
148 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
149 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
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150 value = cf->args->elts; |
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:
diff
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|
152 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:
diff
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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 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:
diff
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|
155 rule->mask = 0; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
156 rule->addr = 0; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
157 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
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158 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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|
159 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
160 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
161 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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|
162 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
163 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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|
164 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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|
165 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
166 return NGX_CONF_OK; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
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 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
169 if (ngx_ptocidr(&value[1], &in_cidr) == NGX_ERROR) { |
485 | 170 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%V\"", |
461 | 171 &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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|
172 return NGX_CONF_ERROR; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
173 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
174 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
175 rule->mask = in_cidr.mask; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
176 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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|
177 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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178 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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|
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 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
181 |
501 | 182 static void * |
183 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
changeset
|
184 { |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
185 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
|
186 |
501 | 187 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_access_loc_conf_t)); |
188 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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|
189 return NGX_CONF_ERROR; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
190 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
191 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
192 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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|
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 |
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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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|
195 |
501 | 196 static char * |
197 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
|
198 { |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
199 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
|
200 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
|
201 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
202 if (conf->rules == NULL) { |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
203 conf->rules = prev->rules; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
204 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
205 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
206 return NGX_CONF_OK; |
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
changeset
|
208 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
209 |
501 | 210 static ngx_int_t |
211 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
|
212 { |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
213 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
|
214 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
|
215 |
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
368
diff
changeset
|
216 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
|
217 |
501 | 218 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
|
219 if (h == NULL) { |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
220 return NGX_ERROR; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
221 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
222 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
223 *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
|
224 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
225 return NGX_OK; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
226 } |