Mercurial > hg > nginx
annotate src/http/modules/ngx_http_geo_module.c @ 2537:a472d954c534
prepare ngx_ptocidr() for IPv6
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 24 Feb 2009 14:01:40 +0000 |
| parents | 2e91aecb9e57 |
| children | 2465ff3da161 415400fa0f10 |
| rev | line source |
|---|---|
| 485 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_http.h> | |
| 10 | |
| 11 | |
| 12 typedef struct { | |
| 2399 | 13 u_short start; |
| 14 u_short end; | |
| 15 ngx_http_variable_value_t *value; | |
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16 } ngx_http_geo_range_t; |
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17 |
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18 |
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19 typedef struct { |
| 2399 | 20 ngx_http_geo_range_t *ranges; |
| 21 ngx_uint_t n; | |
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22 } ngx_http_geo_low_ranges_t; |
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23 |
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24 |
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25 typedef struct { |
| 2399 | 26 ngx_http_geo_low_ranges_t low[0x10000]; |
| 27 ngx_http_variable_value_t *default_value; | |
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28 } ngx_http_geo_high_ranges_t; |
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29 |
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30 |
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31 typedef struct { |
| 2399 | 32 ngx_http_variable_value_t *value; |
| 33 ngx_str_t *net; | |
| 34 ngx_http_geo_high_ranges_t *high; | |
| 35 ngx_radix_tree_t *tree; | |
| 36 ngx_rbtree_t rbtree; | |
| 37 ngx_rbtree_node_t sentinel; | |
| 38 ngx_pool_t *pool; | |
| 39 ngx_pool_t *temp_pool; | |
| 589 | 40 } ngx_http_geo_conf_ctx_t; |
| 485 | 41 |
| 42 | |
| 2399 | 43 typedef struct { |
| 44 union { | |
| 45 ngx_radix_tree_t *tree; | |
| 46 ngx_http_geo_high_ranges_t *high; | |
| 47 } u; | |
| 48 | |
| 49 ngx_int_t index; | |
| 50 } ngx_http_geo_ctx_t; | |
| 51 | |
| 52 | |
| 53 static in_addr_t ngx_http_geo_addr(ngx_http_request_t *r, | |
| 54 ngx_http_geo_ctx_t *ctx); | |
| 485 | 55 static char *ngx_http_geo_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
| 56 static char *ngx_http_geo(ngx_conf_t *cf, ngx_command_t *dummy, void *conf); | |
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57 static char *ngx_http_geo_range(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, |
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58 ngx_str_t *value); |
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59 static char *ngx_http_geo_add_range(ngx_conf_t *cf, |
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60 ngx_http_geo_conf_ctx_t *ctx, in_addr_t start, in_addr_t end); |
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61 static ngx_uint_t ngx_http_geo_delete_range(ngx_conf_t *cf, |
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62 ngx_http_geo_conf_ctx_t *ctx, in_addr_t start, in_addr_t end); |
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63 static char *ngx_http_geo_cidr(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, |
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64 ngx_str_t *value); |
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65 static ngx_http_variable_value_t *ngx_http_geo_value(ngx_conf_t *cf, |
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66 ngx_http_geo_conf_ctx_t *ctx, ngx_str_t *value); |
| 485 | 67 |
| 68 | |
| 69 static ngx_command_t ngx_http_geo_commands[] = { | |
| 70 | |
| 71 { ngx_string("geo"), | |
| 2399 | 72 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE12, |
| 485 | 73 ngx_http_geo_block, |
| 74 NGX_HTTP_MAIN_CONF_OFFSET, | |
| 75 0, | |
| 76 NULL }, | |
| 77 | |
| 78 ngx_null_command | |
| 79 }; | |
| 80 | |
| 81 | |
| 82 static ngx_http_module_t ngx_http_geo_module_ctx = { | |
| 509 | 83 NULL, /* preconfiguration */ |
| 84 NULL, /* postconfiguration */ | |
| 485 | 85 |
| 86 NULL, /* create main configuration */ | |
| 87 NULL, /* init main configuration */ | |
| 88 | |
| 89 NULL, /* create server configuration */ | |
| 90 NULL, /* merge server configuration */ | |
| 91 | |
| 92 NULL, /* create location configuration */ | |
| 93 NULL /* merge location configuration */ | |
| 94 }; | |
| 95 | |
| 96 | |
| 97 ngx_module_t ngx_http_geo_module = { | |
| 509 | 98 NGX_MODULE_V1, |
| 485 | 99 &ngx_http_geo_module_ctx, /* module context */ |
| 100 ngx_http_geo_commands, /* module directives */ | |
| 101 NGX_HTTP_MODULE, /* module type */ | |
| 541 | 102 NULL, /* init master */ |
| 485 | 103 NULL, /* init module */ |
| 541 | 104 NULL, /* init process */ |
| 105 NULL, /* init thread */ | |
| 106 NULL, /* exit thread */ | |
| 107 NULL, /* exit process */ | |
| 108 NULL, /* exit master */ | |
| 109 NGX_MODULE_V1_PADDING | |
| 485 | 110 }; |
| 111 | |
| 112 | |
| 113 /* AF_INET only */ | |
| 114 | |
| 573 | 115 static ngx_int_t |
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116 ngx_http_geo_cidr_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 573 | 117 uintptr_t data) |
| 485 | 118 { |
| 2399 | 119 ngx_http_geo_ctx_t *ctx = (ngx_http_geo_ctx_t *) data; |
| 485 | 120 |
| 573 | 121 ngx_http_variable_value_t *vv; |
| 485 | 122 |
| 573 | 123 vv = (ngx_http_variable_value_t *) |
| 2399 | 124 ngx_radix32tree_find(ctx->u.tree, ngx_http_geo_addr(r, ctx)); |
| 489 | 125 |
| 573 | 126 *v = *vv; |
| 127 | |
| 2399 | 128 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 129 "http geo: %v", v); | |
| 489 | 130 |
| 573 | 131 return NGX_OK; |
| 485 | 132 } |
| 133 | |
| 134 | |
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135 static ngx_int_t |
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136 ngx_http_geo_range_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
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137 uintptr_t data) |
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138 { |
| 2399 | 139 ngx_http_geo_ctx_t *ctx = (ngx_http_geo_ctx_t *) data; |
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140 |
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141 in_addr_t addr; |
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142 ngx_uint_t i, n; |
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143 ngx_http_geo_range_t *range; |
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144 |
| 2399 | 145 *v = *ctx->u.high->default_value; |
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146 |
| 2399 | 147 addr = ngx_http_geo_addr(r, ctx); |
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148 |
| 2399 | 149 range = ctx->u.high->low[addr >> 16].ranges; |
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150 |
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151 n = addr & 0xffff; |
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152 |
| 2399 | 153 for (i = 0; i < ctx->u.high->low[addr >> 16].n; i++) { |
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154 if (n >= (ngx_uint_t) range[i].start |
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155 && n <= (ngx_uint_t) range[i].end) |
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156 { |
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157 *v = *range[i].value; |
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158 } |
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159 } |
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160 |
| 2399 | 161 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 162 "http geo: %v", v); | |
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163 |
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164 return NGX_OK; |
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165 } |
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166 |
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167 |
| 2399 | 168 static in_addr_t |
| 169 ngx_http_geo_addr(ngx_http_request_t *r, ngx_http_geo_ctx_t *ctx) | |
| 170 { | |
| 171 struct sockaddr_in *sin; | |
| 172 ngx_http_variable_value_t *v; | |
| 173 | |
| 174 if (ctx->index == -1) { | |
| 175 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 176 "http geo started: %V", &r->connection->addr_text); | |
| 177 | |
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178 if (r->connection->sockaddr->sa_family != AF_INET) { |
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179 return 0; |
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180 } |
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181 |
| 2399 | 182 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 183 return ntohl(sin->sin_addr.s_addr); | |
| 184 } | |
| 185 | |
| 186 v = ngx_http_get_flushed_variable(r, ctx->index); | |
| 187 | |
| 188 if (v == NULL || v->not_found) { | |
| 189 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 190 "http geo not found"); | |
| 191 | |
| 192 return 0; | |
| 193 } | |
| 194 | |
| 195 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 196 "http geo started: %v", v); | |
| 197 | |
| 198 return ntohl(ngx_inet_addr(v->data, v->len)); | |
| 199 } | |
| 200 | |
| 201 | |
| 489 | 202 static char * |
| 203 ngx_http_geo_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 485 | 204 { |
| 589 | 205 char *rv; |
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206 size_t len; |
| 2399 | 207 ngx_str_t *value, name; |
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208 ngx_uint_t i; |
| 589 | 209 ngx_conf_t save; |
| 210 ngx_pool_t *pool; | |
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211 ngx_array_t *a; |
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212 ngx_http_variable_t *var; |
| 2399 | 213 ngx_http_geo_ctx_t *geo; |
| 589 | 214 ngx_http_geo_conf_ctx_t ctx; |
| 485 | 215 |
| 501 | 216 value = cf->args->elts; |
| 217 | |
| 2399 | 218 geo = ngx_palloc(cf->pool, sizeof(ngx_http_geo_ctx_t)); |
| 219 if (geo == NULL) { | |
| 220 return NGX_CONF_ERROR; | |
| 221 } | |
| 222 | |
| 223 name = value[1]; | |
| 224 name.len--; | |
| 225 name.data++; | |
| 226 | |
| 227 if (cf->args->nelts == 3) { | |
| 228 | |
| 229 geo->index = ngx_http_get_variable_index(cf, &name); | |
| 230 if (geo->index == NGX_ERROR) { | |
| 231 return NGX_CONF_ERROR; | |
| 232 } | |
| 233 | |
| 234 name = value[2]; | |
| 235 name.len--; | |
| 236 name.data++; | |
| 237 | |
| 238 } else { | |
| 239 geo->index = -1; | |
| 240 } | |
| 241 | |
| 242 var = ngx_http_add_variable(cf, &name, NGX_HTTP_VAR_CHANGEABLE); | |
| 501 | 243 if (var == NULL) { |
| 485 | 244 return NGX_CONF_ERROR; |
| 245 } | |
| 246 | |
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247 pool = ngx_create_pool(16384, cf->log); |
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248 if (pool == NULL) { |
| 485 | 249 return NGX_CONF_ERROR; |
| 250 } | |
| 251 | |
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252 ctx.temp_pool = ngx_create_pool(16384, cf->log); |
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253 if (ctx.temp_pool == NULL) { |
| 485 | 254 return NGX_CONF_ERROR; |
| 255 } | |
| 256 | |
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257 ngx_rbtree_init(&ctx.rbtree, &ctx.sentinel, |
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258 ngx_http_variable_value_rbtree_insert); |
| 485 | 259 |
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260 ctx.high = NULL; |
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261 ctx.tree = NULL; |
| 589 | 262 ctx.pool = cf->pool; |
| 485 | 263 |
| 264 save = *cf; | |
| 265 cf->pool = pool; | |
| 589 | 266 cf->ctx = &ctx; |
| 485 | 267 cf->handler = ngx_http_geo; |
| 268 cf->handler_conf = conf; | |
| 269 | |
| 270 rv = ngx_conf_parse(cf, NULL); | |
| 271 | |
| 272 *cf = save; | |
| 273 | |
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274 if (ctx.high) { |
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275 |
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276 for (i = 0; i < 0x10000; i++) { |
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277 a = (ngx_array_t *) ctx.high->low[i].ranges; |
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278 |
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279 if (a == NULL || a->nelts == 0) { |
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280 continue; |
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281 } |
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282 |
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283 ctx.high->low[i].n = a->nelts; |
| 485 | 284 |
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285 len = a->nelts * sizeof(ngx_http_geo_range_t); |
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286 |
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287 ctx.high->low[i].ranges = ngx_palloc(cf->pool, len); |
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288 if (ctx.high->low[i].ranges == NULL ){ |
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289 return NGX_CONF_ERROR; |
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290 } |
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291 |
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292 ngx_memcpy(ctx.high->low[i].ranges, a->elts, len); |
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293 } |
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294 |
| 2399 | 295 geo->u.high = ctx.high; |
| 296 | |
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297 var->get_handler = ngx_http_geo_range_variable; |
| 2399 | 298 var->data = (uintptr_t) geo; |
| 485 | 299 |
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300 ngx_destroy_pool(ctx.temp_pool); |
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301 ngx_destroy_pool(pool); |
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302 |
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303 if (ctx.high->default_value == NULL) { |
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304 ctx.high->default_value = &ngx_http_variable_null_value; |
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305 } |
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306 |
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307 } else { |
|
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308 if (ctx.tree == NULL) { |
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309 ctx.tree = ngx_radix_tree_create(cf->pool, -1); |
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310 if (ctx.tree == NULL) { |
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311 return NGX_CONF_ERROR; |
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312 } |
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313 } |
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314 |
| 2399 | 315 geo->u.tree = ctx.tree; |
| 316 | |
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317 var->get_handler = ngx_http_geo_cidr_variable; |
| 2399 | 318 var->data = (uintptr_t) geo; |
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319 |
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320 ngx_destroy_pool(ctx.temp_pool); |
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321 ngx_destroy_pool(pool); |
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322 |
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323 if (ngx_radix32tree_find(ctx.tree, 0) != NGX_RADIX_NO_VALUE) { |
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324 return rv; |
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325 } |
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326 |
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327 if (ngx_radix32tree_insert(ctx.tree, 0, 0, |
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328 (uintptr_t) &ngx_http_variable_null_value) |
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329 == NGX_ERROR) |
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330 { |
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331 return NGX_CONF_ERROR; |
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332 } |
| 485 | 333 } |
| 334 | |
| 335 return rv; | |
| 336 } | |
| 337 | |
| 338 | |
| 489 | 339 static char * |
| 340 ngx_http_geo(ngx_conf_t *cf, ngx_command_t *dummy, void *conf) | |
| 485 | 341 { |
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342 char *rv; |
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343 ngx_str_t *value, file; |
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344 ngx_http_geo_conf_ctx_t *ctx; |
| 485 | 345 |
| 589 | 346 ctx = cf->ctx; |
| 485 | 347 |
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348 value = cf->args->elts; |
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349 |
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350 if (cf->args->nelts == 1) { |
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351 |
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352 if (ngx_strcmp(value[0].data, "ranges") == 0) { |
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353 |
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354 if (ctx->tree) { |
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355 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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356 "the \"ranges\" directive must be " |
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357 "the first directive inside \"geo\" block"); |
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358 goto failed; |
|
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|
359 } |
|
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|
360 |
|
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361 ctx->high = ngx_pcalloc(ctx->pool, |
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362 sizeof(ngx_http_geo_high_ranges_t)); |
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363 if (ctx->high == NULL) { |
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|
364 goto failed; |
|
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|
365 } |
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|
366 |
|
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367 rv = NGX_CONF_OK; |
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|
368 |
|
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|
369 goto done; |
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|
370 } |
|
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|
371 } |
|
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|
372 |
| 485 | 373 if (cf->args->nelts != 2) { |
| 374 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 375 "invalid number of the geo parameters"); | |
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376 goto failed; |
| 485 | 377 } |
| 378 | |
|
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379 if (ngx_strcmp(value[0].data, "include") == 0) { |
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|
380 |
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|
381 file.len = value[1].len++; |
| 485 | 382 |
|
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383 file.data = ngx_pstrdup(ctx->temp_pool, &value[1]); |
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384 if (file.data == NULL) { |
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|
385 goto failed; |
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|
386 } |
| 485 | 387 |
|
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|
388 if (ngx_conf_full_name(cf->cycle, &file, 1) != NGX_OK){ |
|
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|
389 goto failed; |
| 485 | 390 } |
| 391 | |
| 392 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cf->log, 0, "include %s", file.data); | |
| 393 | |
|
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394 rv = ngx_conf_parse(cf, &file); |
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|
395 |
|
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|
396 goto done; |
|
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|
397 } |
|
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|
398 |
|
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|
399 if (ctx->high) { |
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400 rv = ngx_http_geo_range(cf, ctx, value); |
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|
401 |
|
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|
402 } else { |
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|
403 rv = ngx_http_geo_cidr(cf, ctx, value); |
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|
404 } |
|
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|
405 |
|
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|
406 done: |
|
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|
407 |
|
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|
408 ngx_reset_pool(cf->pool); |
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|
409 |
|
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|
410 return rv; |
|
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|
411 |
|
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|
412 failed: |
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|
413 |
|
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|
414 ngx_reset_pool(cf->pool); |
|
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|
415 |
|
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|
416 return NGX_CONF_ERROR; |
|
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|
417 } |
|
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|
418 |
|
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|
419 |
|
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|
420 static char * |
|
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|
421 ngx_http_geo_range(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, |
|
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|
422 ngx_str_t *value) |
|
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|
423 { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
424 u_char *p, *last; |
|
22d2b6609853
*) descrease geo configuration memory usage
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parents:
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diff
changeset
|
425 in_addr_t start, end; |
|
22d2b6609853
*) descrease geo configuration memory usage
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parents:
2334
diff
changeset
|
426 ngx_str_t *net; |
|
22d2b6609853
*) descrease geo configuration memory usage
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parents:
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diff
changeset
|
427 ngx_uint_t del; |
|
22d2b6609853
*) descrease geo configuration memory usage
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parents:
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diff
changeset
|
428 ngx_http_variable_value_t *old; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
429 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
430 if (ngx_strcmp(value[0].data, "default") == 0) { |
|
22d2b6609853
*) descrease geo configuration memory usage
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parents:
2334
diff
changeset
|
431 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
432 old = ctx->high->default_value; |
|
22d2b6609853
*) descrease geo configuration memory usage
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parents:
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diff
changeset
|
433 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
434 ctx->high->default_value = ngx_http_geo_value(cf, ctx, &value[1]); |
|
22d2b6609853
*) descrease geo configuration memory usage
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parents:
2334
diff
changeset
|
435 if (ctx->high->default_value == NULL) { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
436 return NGX_CONF_ERROR; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
437 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
438 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
439 if (old) { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
440 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
441 "duplicate range \"%V\", value: \"%v\", old value: \"%v\"", |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
442 &value[0], ctx->high->default_value, old); |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
443 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
444 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
445 return NGX_CONF_OK; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
446 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
447 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
448 if (ngx_strcmp(value[0].data, "delete") == 0) { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
449 net = &value[1]; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
450 del = 1; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
451 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
452 } else { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
453 net = &value[0]; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
454 del = 0; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
455 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
456 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
457 last = net->data + net->len; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
458 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
459 p = ngx_strlchr(net->data, last, '-'); |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
460 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
461 if (p == NULL) { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
462 goto invalid; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
463 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
464 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
465 start = ngx_inet_addr(net->data, p - net->data); |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
466 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
467 if (start == INADDR_NONE) { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
468 goto invalid; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
469 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
470 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
471 start = ntohl(start); |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
472 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
473 p++; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
474 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
475 end = ngx_inet_addr(p, last - p); |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
476 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
477 if (end == INADDR_NONE) { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
478 goto invalid; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
479 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
480 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
481 end = ntohl(end); |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
482 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
483 if (start > end) { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
484 goto invalid; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
485 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
486 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
487 if (del) { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
488 if (ngx_http_geo_delete_range(cf, ctx, start, end)) { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
489 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
490 "no address range \"%V\" to delete", net); |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
491 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
492 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
493 return NGX_CONF_OK; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
494 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
495 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
496 ctx->value = ngx_http_geo_value(cf, ctx, &value[1]); |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
497 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
498 if (ctx->value == NULL) { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
499 return NGX_CONF_ERROR; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
500 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
501 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
502 ctx->net = net; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
503 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
504 return ngx_http_geo_add_range(cf, ctx, start, end); |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
505 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
506 invalid: |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
507 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
508 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid range \"%V\"", net); |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
509 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
510 return NGX_CONF_ERROR; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
511 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
512 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
513 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
514 /* the add procedure is optimized to add a growing up sequence */ |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
515 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
516 static char * |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
517 ngx_http_geo_add_range(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
518 in_addr_t start, in_addr_t end) |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
519 { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
520 in_addr_t n; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
521 ngx_uint_t h, i, s, e; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
522 ngx_array_t *a; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
523 ngx_http_geo_range_t *range; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
524 |
| 2451 | 525 for (n = start; n <= end; n += 0x10000) { |
|
2340
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
526 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
527 h = n >> 16; |
|
2447
3d868fc44879
fix range start for ranges those spread in two or more slots
Igor Sysoev <igor@sysoev.ru>
parents:
2442
diff
changeset
|
528 |
|
3d868fc44879
fix range start for ranges those spread in two or more slots
Igor Sysoev <igor@sysoev.ru>
parents:
2442
diff
changeset
|
529 if (n == start) { |
|
3d868fc44879
fix range start for ranges those spread in two or more slots
Igor Sysoev <igor@sysoev.ru>
parents:
2442
diff
changeset
|
530 s = n & 0xffff; |
|
3d868fc44879
fix range start for ranges those spread in two or more slots
Igor Sysoev <igor@sysoev.ru>
parents:
2442
diff
changeset
|
531 } else { |
|
3d868fc44879
fix range start for ranges those spread in two or more slots
Igor Sysoev <igor@sysoev.ru>
parents:
2442
diff
changeset
|
532 s = 0; |
|
3d868fc44879
fix range start for ranges those spread in two or more slots
Igor Sysoev <igor@sysoev.ru>
parents:
2442
diff
changeset
|
533 } |
|
2340
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
534 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
535 if ((n | 0xffff) > end) { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
536 e = end & 0xffff; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
537 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
538 } else { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
539 e = 0xffff; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
540 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
541 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
542 a = (ngx_array_t *) ctx->high->low[h].ranges; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
543 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
544 if (a == NULL) { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
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545 a = ngx_array_create(ctx->temp_pool, 64, |
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546 sizeof(ngx_http_geo_range_t)); |
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547 if (a == NULL) { |
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548 return NGX_CONF_ERROR; |
|
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|
549 } |
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|
550 |
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|
551 ctx->high->low[h].ranges = (ngx_http_geo_range_t *) a; |
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552 } |
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|
553 |
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554 i = a->nelts; |
|
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555 range = a->elts; |
|
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|
556 |
|
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|
557 while (i) { |
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|
558 |
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|
559 i--; |
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|
560 |
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561 if (e < (ngx_uint_t) range[i].start) { |
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562 continue; |
|
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|
563 } |
|
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|
564 |
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|
565 if (s > (ngx_uint_t) range[i].end) { |
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|
566 |
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|
567 /* add after the range */ |
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|
568 |
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|
569 range = ngx_array_push(a); |
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570 if (range == NULL) { |
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571 return NGX_CONF_ERROR; |
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|
572 } |
|
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|
573 |
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|
574 range = a->elts; |
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|
575 |
|
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|
576 ngx_memcpy(&range[i + 2], &range[i + 1], |
|
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|
577 (a->nelts - 2 - i) * sizeof(ngx_http_geo_range_t)); |
|
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|
578 |
| 2442 | 579 range[i + 1].start = (u_short) s; |
| 580 range[i + 1].end = (u_short) e; | |
| 581 range[i + 1].value = ctx->value; | |
|
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|
582 |
|
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|
583 goto next; |
|
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|
584 } |
|
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|
585 |
|
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|
586 if (s == (ngx_uint_t) range[i].start |
|
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|
587 && e == (ngx_uint_t) range[i].end) |
|
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|
588 { |
|
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|
589 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
|
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|
590 "duplicate range \"%V\", value: \"%v\", old value: \"%v\"", |
|
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|
591 ctx->net, ctx->value, range[i].value); |
| 2442 | 592 |
| 593 range[i].value = ctx->value; | |
| 594 | |
| 595 goto next; | |
| 596 } | |
| 597 | |
| 598 if (s > (ngx_uint_t) range[i].start | |
| 599 && e < (ngx_uint_t) range[i].end) | |
| 600 { | |
| 601 /* split the range and insert the new one */ | |
| 602 | |
| 603 range = ngx_array_push(a); | |
| 604 if (range == NULL) { | |
| 605 return NGX_CONF_ERROR; | |
| 606 } | |
| 607 | |
| 608 range = ngx_array_push(a); | |
| 609 if (range == NULL) { | |
| 610 return NGX_CONF_ERROR; | |
| 611 } | |
| 612 | |
| 613 range = a->elts; | |
| 614 | |
| 615 ngx_memcpy(&range[i + 3], &range[i + 1], | |
| 616 (a->nelts - 3 - i) * sizeof(ngx_http_geo_range_t)); | |
| 617 | |
| 618 range[i + 2].start = (u_short) (e + 1); | |
| 619 range[i + 2].end = range[i].end; | |
| 620 range[i + 2].value = range[i].value; | |
| 621 | |
|
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|
622 range[i + 1].start = (u_short) s; |
|
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|
623 range[i + 1].end = (u_short) e; |
|
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|
624 range[i + 1].value = ctx->value; |
|
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diff
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|
625 |
| 2442 | 626 range[i].end = (u_short) (s - 1); |
| 627 | |
|
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changeset
|
628 goto next; |
|
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diff
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|
629 } |
|
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diff
changeset
|
630 |
|
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diff
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|
631 if (s == (ngx_uint_t) range[i].start |
|
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|
632 && e < (ngx_uint_t) range[i].end) |
|
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|
633 { |
|
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|
634 /* shift the range start and insert the new range */ |
|
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diff
changeset
|
635 |
|
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changeset
|
636 range = ngx_array_push(a); |
|
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|
637 if (range == NULL) { |
|
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changeset
|
638 return NGX_CONF_ERROR; |
|
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changeset
|
639 } |
|
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diff
changeset
|
640 |
|
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changeset
|
641 range = a->elts; |
|
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diff
changeset
|
642 |
|
2457
1aff348d9aa8
fix segfault when geo range replaces starting part of another range
Igor Sysoev <igor@sysoev.ru>
parents:
2452
diff
changeset
|
643 ngx_memcpy(&range[i + 1], &range[i], |
|
1aff348d9aa8
fix segfault when geo range replaces starting part of another range
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
644 (a->nelts - 1 - i) * sizeof(ngx_http_geo_range_t)); |
|
2452
95f078e7d743
allow insertion range if its start or end is the same as existent one
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
645 |
|
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allow insertion range if its start or end is the same as existent one
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diff
changeset
|
646 range[i + 1].start = (u_short) (e + 1); |
|
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diff
changeset
|
647 |
|
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allow insertion range if its start or end is the same as existent one
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diff
changeset
|
648 range[i].start = (u_short) s; |
|
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diff
changeset
|
649 range[i].end = (u_short) e; |
|
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allow insertion range if its start or end is the same as existent one
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diff
changeset
|
650 range[i].value = ctx->value; |
|
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diff
changeset
|
651 |
|
95f078e7d743
allow insertion range if its start or end is the same as existent one
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diff
changeset
|
652 goto next; |
|
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diff
changeset
|
653 } |
|
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allow insertion range if its start or end is the same as existent one
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diff
changeset
|
654 |
|
95f078e7d743
allow insertion range if its start or end is the same as existent one
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2451
diff
changeset
|
655 if (s > (ngx_uint_t) range[i].start |
|
95f078e7d743
allow insertion range if its start or end is the same as existent one
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2451
diff
changeset
|
656 && e == (ngx_uint_t) range[i].end) |
|
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diff
changeset
|
657 { |
|
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
658 /* shift the range end and insert the new range */ |
|
95f078e7d743
allow insertion range if its start or end is the same as existent one
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2451
diff
changeset
|
659 |
|
95f078e7d743
allow insertion range if its start or end is the same as existent one
Igor Sysoev <igor@sysoev.ru>
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2451
diff
changeset
|
660 range = ngx_array_push(a); |
|
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allow insertion range if its start or end is the same as existent one
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diff
changeset
|
661 if (range == NULL) { |
|
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allow insertion range if its start or end is the same as existent one
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diff
changeset
|
662 return NGX_CONF_ERROR; |
|
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allow insertion range if its start or end is the same as existent one
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
663 } |
|
95f078e7d743
allow insertion range if its start or end is the same as existent one
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diff
changeset
|
664 |
|
95f078e7d743
allow insertion range if its start or end is the same as existent one
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2451
diff
changeset
|
665 range = a->elts; |
|
95f078e7d743
allow insertion range if its start or end is the same as existent one
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
666 |
|
95f078e7d743
allow insertion range if its start or end is the same as existent one
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
667 ngx_memcpy(&range[i + 2], &range[i + 1], |
|
95f078e7d743
allow insertion range if its start or end is the same as existent one
Igor Sysoev <igor@sysoev.ru>
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2451
diff
changeset
|
668 (a->nelts - 2 - i) * sizeof(ngx_http_geo_range_t)); |
|
95f078e7d743
allow insertion range if its start or end is the same as existent one
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2451
diff
changeset
|
669 |
| 2442 | 670 range[i + 1].start = (u_short) s; |
| 671 range[i + 1].end = (u_short) e; | |
| 672 range[i + 1].value = ctx->value; | |
| 673 | |
|
2452
95f078e7d743
allow insertion range if its start or end is the same as existent one
Igor Sysoev <igor@sysoev.ru>
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2451
diff
changeset
|
674 range[i].end = (u_short) (s - 1); |
|
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2451
diff
changeset
|
675 |
| 2442 | 676 goto next; |
|
2340
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diff
changeset
|
677 } |
|
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diff
changeset
|
678 |
| 2448 | 679 s = (ngx_uint_t) range[i].start; |
| 680 e = (ngx_uint_t) range[i].end; | |
| 681 | |
|
2340
22d2b6609853
*) descrease geo configuration memory usage
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diff
changeset
|
682 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 2448 | 683 "range \"%V\" overlaps \"%d.%d.%d.%d-%d.%d.%d.%d\"", |
| 684 ctx->net, | |
| 685 h >> 8, h & 0xff, s >> 8, s & 0xff, | |
| 686 h >> 8, h & 0xff, e >> 8, e & 0xff); | |
|
2340
22d2b6609853
*) descrease geo configuration memory usage
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diff
changeset
|
687 |
|
22d2b6609853
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diff
changeset
|
688 return NGX_CONF_ERROR; |
|
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2334
diff
changeset
|
689 } |
|
22d2b6609853
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diff
changeset
|
690 |
|
22d2b6609853
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diff
changeset
|
691 /* add the first range */ |
|
22d2b6609853
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2334
diff
changeset
|
692 |
|
22d2b6609853
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2334
diff
changeset
|
693 range = ngx_array_push(a); |
|
22d2b6609853
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diff
changeset
|
694 if (range == NULL) { |
|
22d2b6609853
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2334
diff
changeset
|
695 return NGX_CONF_ERROR; |
|
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|
696 } |
|
22d2b6609853
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diff
changeset
|
697 |
|
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*) descrease geo configuration memory usage
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diff
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|
698 range->start = (u_short) s; |
|
22d2b6609853
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parents:
2334
diff
changeset
|
699 range->end = (u_short) e; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
700 range->value = ctx->value; |
| 2442 | 701 |
| 702 next: | |
| 703 | |
| 704 continue; | |
|
2340
22d2b6609853
*) descrease geo configuration memory usage
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parents:
2334
diff
changeset
|
705 } |
|
22d2b6609853
*) descrease geo configuration memory usage
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parents:
2334
diff
changeset
|
706 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
707 return NGX_CONF_OK; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
708 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
709 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
710 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
711 static ngx_uint_t |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
712 ngx_http_geo_delete_range(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
713 in_addr_t start, in_addr_t end) |
|
22d2b6609853
*) descrease geo configuration memory usage
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parents:
2334
diff
changeset
|
714 { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
715 in_addr_t n; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
716 ngx_uint_t h, i, s, e, warn; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
717 ngx_array_t *a; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
718 ngx_http_geo_range_t *range; |
|
22d2b6609853
*) descrease geo configuration memory usage
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parents:
2334
diff
changeset
|
719 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
720 warn = 0; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
721 |
| 2451 | 722 for (n = start; n <= end; n += 0x10000) { |
|
2340
22d2b6609853
*) descrease geo configuration memory usage
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parents:
2334
diff
changeset
|
723 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
724 h = n >> 16; |
|
2449
450a277dad48
repeat r2448 for range deletion
Igor Sysoev <igor@sysoev.ru>
parents:
2448
diff
changeset
|
725 |
|
450a277dad48
repeat r2448 for range deletion
Igor Sysoev <igor@sysoev.ru>
parents:
2448
diff
changeset
|
726 if (n == start) { |
|
450a277dad48
repeat r2448 for range deletion
Igor Sysoev <igor@sysoev.ru>
parents:
2448
diff
changeset
|
727 s = n & 0xffff; |
|
450a277dad48
repeat r2448 for range deletion
Igor Sysoev <igor@sysoev.ru>
parents:
2448
diff
changeset
|
728 } else { |
|
450a277dad48
repeat r2448 for range deletion
Igor Sysoev <igor@sysoev.ru>
parents:
2448
diff
changeset
|
729 s = 0; |
|
450a277dad48
repeat r2448 for range deletion
Igor Sysoev <igor@sysoev.ru>
parents:
2448
diff
changeset
|
730 } |
|
2340
22d2b6609853
*) descrease geo configuration memory usage
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parents:
2334
diff
changeset
|
731 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
732 if ((n | 0xffff) > end) { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
733 e = end & 0xffff; |
|
22d2b6609853
*) descrease geo configuration memory usage
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parents:
2334
diff
changeset
|
734 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
735 } else { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
736 e = 0xffff; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
737 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
738 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
739 a = (ngx_array_t *) ctx->high->low[h].ranges; |
|
22d2b6609853
*) descrease geo configuration memory usage
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parents:
2334
diff
changeset
|
740 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
741 if (a == NULL) { |
|
22d2b6609853
*) descrease geo configuration memory usage
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parents:
2334
diff
changeset
|
742 warn = 1; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
743 continue; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
744 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
745 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
746 range = a->elts; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
747 for (i = 0; i < a->nelts; i++) { |
|
22d2b6609853
*) descrease geo configuration memory usage
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parents:
2334
diff
changeset
|
748 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
749 if (s == (ngx_uint_t) range[i].start |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
750 && e == (ngx_uint_t) range[i].end) |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
751 { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
752 ngx_memcpy(&range[i], &range[i + 1], |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
753 (a->nelts - 1 - i) * sizeof(ngx_http_geo_range_t)); |
| 2450 | 754 |
| 755 a->nelts--; | |
| 756 | |
|
2340
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
757 break; |
|
22d2b6609853
*) descrease geo configuration memory usage
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parents:
2334
diff
changeset
|
758 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
759 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
760 if (s != (ngx_uint_t) range[i].start |
|
22d2b6609853
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Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
761 && e != (ngx_uint_t) range[i].end) |
|
22d2b6609853
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Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
762 { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
763 continue; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
764 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
765 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
766 warn = 1; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
767 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
768 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
769 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
770 return warn; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
771 } |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
772 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
773 |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
774 static char * |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
775 ngx_http_geo_cidr(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, |
|
22d2b6609853
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Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
776 ngx_str_t *value) |
|
22d2b6609853
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Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
777 { |
|
22d2b6609853
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Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
778 ngx_int_t rc, del; |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
779 ngx_str_t *net; |
|
22d2b6609853
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Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
780 ngx_uint_t i; |
|
2537
a472d954c534
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Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
781 ngx_cidr_t cidr; |
|
2340
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parents:
2334
diff
changeset
|
782 ngx_http_variable_value_t *val, *old; |
|
22d2b6609853
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parents:
2334
diff
changeset
|
783 |
|
22d2b6609853
*) descrease geo configuration memory usage
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parents:
2334
diff
changeset
|
784 if (ctx->tree == NULL) { |
|
22d2b6609853
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parents:
2334
diff
changeset
|
785 ctx->tree = ngx_radix_tree_create(ctx->pool, -1); |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
786 if (ctx->tree == NULL) { |
|
22d2b6609853
*) descrease geo configuration memory usage
Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
787 return NGX_CONF_ERROR; |
|
22d2b6609853
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Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
788 } |
| 485 | 789 } |
| 790 | |
| 791 if (ngx_strcmp(value[0].data, "default") == 0) { | |
|
2537
a472d954c534
prepare ngx_ptocidr() for IPv6
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
792 cidr.u.in.addr = 0; |
|
a472d954c534
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Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
793 cidr.u.in.mask = 0; |
|
2340
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parents:
2334
diff
changeset
|
794 net = &value[0]; |
| 485 | 795 |
| 796 } else { | |
|
2340
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parents:
2334
diff
changeset
|
797 if (ngx_strcmp(value[0].data, "delete") == 0) { |
|
22d2b6609853
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parents:
2334
diff
changeset
|
798 net = &value[1]; |
|
22d2b6609853
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2334
diff
changeset
|
799 del = 1; |
|
22d2b6609853
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parents:
2334
diff
changeset
|
800 |
|
22d2b6609853
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parents:
2334
diff
changeset
|
801 } else { |
|
22d2b6609853
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parents:
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diff
changeset
|
802 net = &value[0]; |
|
22d2b6609853
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parents:
2334
diff
changeset
|
803 del = 0; |
|
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parents:
2334
diff
changeset
|
804 } |
|
22d2b6609853
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Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
805 |
| 2399 | 806 if (ngx_strcmp(net->data, "255.255.255.255") == 0) { |
|
2537
a472d954c534
prepare ngx_ptocidr() for IPv6
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
807 cidr.u.in.addr = 0xffffffff; |
|
a472d954c534
prepare ngx_ptocidr() for IPv6
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
808 cidr.u.in.mask = 0xffffffff; |
|
1380
b590a528fd41
ignore meaningless bits in CIDR and warn about them
Igor Sysoev <igor@sysoev.ru>
parents:
1352
diff
changeset
|
809 |
| 2399 | 810 } else { |
|
2537
a472d954c534
prepare ngx_ptocidr() for IPv6
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
811 rc = ngx_ptocidr(net, &cidr); |
| 485 | 812 |
| 2401 | 813 if (rc == NGX_ERROR) { |
| 814 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 815 "invalid network \"%V\"", net); | |
| 816 return NGX_CONF_ERROR; | |
| 817 } | |
| 2399 | 818 |
|
2537
a472d954c534
prepare ngx_ptocidr() for IPv6
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
819 if (cidr.family != AF_INET) { |
|
a472d954c534
prepare ngx_ptocidr() for IPv6
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
820 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
a472d954c534
prepare ngx_ptocidr() for IPv6
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
821 "\"geo\" supports IPv4 only"); |
|
a472d954c534
prepare ngx_ptocidr() for IPv6
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
822 return NGX_CONF_ERROR; |
|
a472d954c534
prepare ngx_ptocidr() for IPv6
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
823 } |
|
a472d954c534
prepare ngx_ptocidr() for IPv6
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
824 |
| 2401 | 825 if (rc == NGX_DONE) { |
| 826 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
| 827 "low address bits of %V are meaningless", | |
| 2399 | 828 net); |
| 2401 | 829 } |
| 2399 | 830 |
|
2537
a472d954c534
prepare ngx_ptocidr() for IPv6
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
831 cidr.u.in.addr = ntohl(cidr.u.in.addr); |
|
a472d954c534
prepare ngx_ptocidr() for IPv6
Igor Sysoev <igor@sysoev.ru>
parents:
2512
diff
changeset
|
832 cidr.u.in.mask = ntohl(cidr.u.in.mask); |
|
1380
b590a528fd41
ignore meaningless bits in CIDR and warn about them
Igor Sysoev <igor@sysoev.ru>
parents:
1352
diff
changeset
|
833 } |
|
b590a528fd41
ignore meaningless bits in CIDR and warn about them
Igor Sysoev <igor@sysoev.ru>
parents:
1352
diff
changeset
|
834 |
|
2340
22d2b6609853
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Igor Sysoev <igor@sysoev.ru>
parents:
2334
diff
changeset
|
835 if (del) { |
|
2537
a472d954c534
prepare ngx_ptocidr() for IPv6
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836 if (ngx_radix32tree_delete(ctx->tree, cidr.u.in.addr, |
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837 cidr.u.in.mask) |
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838 != NGX_OK) |
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839 { |
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840 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
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841 "no network \"%V\" to delete", net); |
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842 } |
| 2365 | 843 |
| 844 return NGX_CONF_OK; | |
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845 } |
| 485 | 846 } |
| 847 | |
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848 val = ngx_http_geo_value(cf, ctx, &value[1]); |
| 485 | 849 |
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850 if (val == NULL) { |
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851 return NGX_CONF_ERROR; |
| 485 | 852 } |
| 853 | |
| 553 | 854 for (i = 2; i; i--) { |
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855 rc = ngx_radix32tree_insert(ctx->tree, cidr.u.in.addr, cidr.u.in.mask, |
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856 (uintptr_t) val); |
| 553 | 857 if (rc == NGX_OK) { |
| 858 return NGX_CONF_OK; | |
| 859 } | |
| 860 | |
| 861 if (rc == NGX_ERROR) { | |
| 862 return NGX_CONF_ERROR; | |
| 863 } | |
| 864 | |
| 865 /* rc == NGX_BUSY */ | |
| 866 | |
| 867 old = (ngx_http_variable_value_t *) | |
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868 ngx_radix32tree_find(ctx->tree, cidr.u.in.addr & cidr.u.in.mask); |
| 553 | 869 |
| 870 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
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871 "duplicate network \"%V\", value: \"%v\", old value: \"%v\"", |
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872 net, val, old); |
| 553 | 873 |
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874 rc = ngx_radix32tree_delete(ctx->tree, cidr.u.in.addr, cidr.u.in.mask); |
| 553 | 875 |
| 876 if (rc == NGX_ERROR) { | |
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877 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid radix tree"); |
| 553 | 878 return NGX_CONF_ERROR; |
| 879 } | |
| 485 | 880 } |
| 881 | |
| 553 | 882 return NGX_CONF_ERROR; |
| 485 | 883 } |
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884 |
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885 |
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886 static ngx_http_variable_value_t * |
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887 ngx_http_geo_value(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, |
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888 ngx_str_t *value) |
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889 { |
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890 uint32_t hash; |
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891 ngx_http_variable_value_t *val; |
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892 ngx_http_variable_value_node_t *vvn; |
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893 |
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894 hash = ngx_crc32_long(value->data, value->len); |
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895 |
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896 val = ngx_http_variable_value_lookup(&ctx->rbtree, value, hash); |
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897 |
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898 if (val) { |
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899 return val; |
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900 } |
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901 |
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902 val = ngx_palloc(ctx->pool, sizeof(ngx_http_variable_value_t)); |
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903 if (val == NULL) { |
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904 return NULL; |
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905 } |
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906 |
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907 val->len = value->len; |
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908 val->data = ngx_pstrdup(ctx->pool, value); |
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909 if (val->data == NULL) { |
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910 return NULL; |
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911 } |
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912 |
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913 val->valid = 1; |
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914 val->no_cacheable = 0; |
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915 val->not_found = 0; |
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916 |
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917 vvn = ngx_palloc(ctx->temp_pool, sizeof(ngx_http_variable_value_node_t)); |
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918 if (vvn == NULL) { |
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919 return NULL; |
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920 } |
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921 |
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922 vvn->node.key = hash; |
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923 vvn->len = val->len; |
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924 vvn->value = val; |
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925 |
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926 ngx_rbtree_insert(&ctx->rbtree, &vvn->node); |
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927 |
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928 return val; |
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929 } |