| |
| /* |
| * Copyright (C) Igor Sysoev |
| * Copyright (C) Nginx, Inc. |
| */ |
| |
| |
| #include <ngx_config.h> |
| #include <ngx_core.h> |
| #include <ngx_http.h> |
| |
| #include <GeoIP.h> |
| #include <GeoIPCity.h> |
| |
| |
| #define NGX_GEOIP_COUNTRY_CODE 0 |
| #define NGX_GEOIP_COUNTRY_CODE3 1 |
| #define NGX_GEOIP_COUNTRY_NAME 2 |
| |
| |
| typedef struct { |
| GeoIP *country; |
| GeoIP *org; |
| GeoIP *city; |
| ngx_array_t *proxies; /* array of ngx_cidr_t */ |
| ngx_flag_t proxy_recursive; |
| #if (NGX_HAVE_GEOIP_V6) |
| unsigned country_v6:1; |
| unsigned org_v6:1; |
| unsigned city_v6:1; |
| #endif |
| } ngx_http_geoip_conf_t; |
| |
| |
| typedef struct { |
| ngx_str_t *name; |
| uintptr_t data; |
| } ngx_http_geoip_var_t; |
| |
| |
| typedef const char *(*ngx_http_geoip_variable_handler_pt)(GeoIP *, |
| u_long addr); |
| |
| |
| ngx_http_geoip_variable_handler_pt ngx_http_geoip_country_functions[] = { |
| GeoIP_country_code_by_ipnum, |
| GeoIP_country_code3_by_ipnum, |
| GeoIP_country_name_by_ipnum, |
| }; |
| |
| |
| #if (NGX_HAVE_GEOIP_V6) |
| |
| typedef const char *(*ngx_http_geoip_variable_handler_v6_pt)(GeoIP *, |
| geoipv6_t addr); |
| |
| |
| ngx_http_geoip_variable_handler_v6_pt ngx_http_geoip_country_v6_functions[] = { |
| GeoIP_country_code_by_ipnum_v6, |
| GeoIP_country_code3_by_ipnum_v6, |
| GeoIP_country_name_by_ipnum_v6, |
| }; |
| |
| #endif |
| |
| |
| static ngx_int_t ngx_http_geoip_country_variable(ngx_http_request_t *r, |
| ngx_http_variable_value_t *v, uintptr_t data); |
| static ngx_int_t ngx_http_geoip_org_variable(ngx_http_request_t *r, |
| ngx_http_variable_value_t *v, uintptr_t data); |
| static ngx_int_t ngx_http_geoip_city_variable(ngx_http_request_t *r, |
| ngx_http_variable_value_t *v, uintptr_t data); |
| static ngx_int_t ngx_http_geoip_region_name_variable(ngx_http_request_t *r, |
| ngx_http_variable_value_t *v, uintptr_t data); |
| static ngx_int_t ngx_http_geoip_city_float_variable(ngx_http_request_t *r, |
| ngx_http_variable_value_t *v, uintptr_t data); |
| static ngx_int_t ngx_http_geoip_city_int_variable(ngx_http_request_t *r, |
| ngx_http_variable_value_t *v, uintptr_t data); |
| static GeoIPRecord *ngx_http_geoip_get_city_record(ngx_http_request_t *r); |
| |
| static ngx_int_t ngx_http_geoip_add_variables(ngx_conf_t *cf); |
| static void *ngx_http_geoip_create_conf(ngx_conf_t *cf); |
| static char *ngx_http_geoip_init_conf(ngx_conf_t *cf, void *conf); |
| static char *ngx_http_geoip_country(ngx_conf_t *cf, ngx_command_t *cmd, |
| void *conf); |
| static char *ngx_http_geoip_org(ngx_conf_t *cf, ngx_command_t *cmd, |
| void *conf); |
| static char *ngx_http_geoip_city(ngx_conf_t *cf, ngx_command_t *cmd, |
| void *conf); |
| static char *ngx_http_geoip_proxy(ngx_conf_t *cf, ngx_command_t *cmd, |
| void *conf); |
| static ngx_int_t ngx_http_geoip_cidr_value(ngx_conf_t *cf, ngx_str_t *net, |
| ngx_cidr_t *cidr); |
| static void ngx_http_geoip_cleanup(void *data); |
| |
| |
| static ngx_command_t ngx_http_geoip_commands[] = { |
| |
| { ngx_string("geoip_country"), |
| NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE12, |
| ngx_http_geoip_country, |
| NGX_HTTP_MAIN_CONF_OFFSET, |
| 0, |
| NULL }, |
| |
| { ngx_string("geoip_org"), |
| NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE12, |
| ngx_http_geoip_org, |
| NGX_HTTP_MAIN_CONF_OFFSET, |
| 0, |
| NULL }, |
| |
| { ngx_string("geoip_city"), |
| NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE12, |
| ngx_http_geoip_city, |
| NGX_HTTP_MAIN_CONF_OFFSET, |
| 0, |
| NULL }, |
| |
| { ngx_string("geoip_proxy"), |
| NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, |
| ngx_http_geoip_proxy, |
| NGX_HTTP_MAIN_CONF_OFFSET, |
| 0, |
| NULL }, |
| |
| { ngx_string("geoip_proxy_recursive"), |
| NGX_HTTP_MAIN_CONF|NGX_CONF_FLAG, |
| ngx_conf_set_flag_slot, |
| NGX_HTTP_MAIN_CONF_OFFSET, |
| offsetof(ngx_http_geoip_conf_t, proxy_recursive), |
| NULL }, |
| |
| ngx_null_command |
| }; |
| |
| |
| static ngx_http_module_t ngx_http_geoip_module_ctx = { |
| ngx_http_geoip_add_variables, /* preconfiguration */ |
| NULL, /* postconfiguration */ |
| |
| ngx_http_geoip_create_conf, /* create main configuration */ |
| ngx_http_geoip_init_conf, /* init main configuration */ |
| |
| NULL, /* create server configuration */ |
| NULL, /* merge server configuration */ |
| |
| NULL, /* create location configuration */ |
| NULL /* merge location configuration */ |
| }; |
| |
| |
| ngx_module_t ngx_http_geoip_module = { |
| NGX_MODULE_V1, |
| &ngx_http_geoip_module_ctx, /* module context */ |
| ngx_http_geoip_commands, /* module directives */ |
| NGX_HTTP_MODULE, /* module type */ |
| NULL, /* init master */ |
| NULL, /* init module */ |
| NULL, /* init process */ |
| NULL, /* init thread */ |
| NULL, /* exit thread */ |
| NULL, /* exit process */ |
| NULL, /* exit master */ |
| NGX_MODULE_V1_PADDING |
| }; |
| |
| |
| static ngx_http_variable_t ngx_http_geoip_vars[] = { |
| |
| { ngx_string("geoip_country_code"), NULL, |
| ngx_http_geoip_country_variable, |
| NGX_GEOIP_COUNTRY_CODE, 0, 0 }, |
| |
| { ngx_string("geoip_country_code3"), NULL, |
| ngx_http_geoip_country_variable, |
| NGX_GEOIP_COUNTRY_CODE3, 0, 0 }, |
| |
| { ngx_string("geoip_country_name"), NULL, |
| ngx_http_geoip_country_variable, |
| NGX_GEOIP_COUNTRY_NAME, 0, 0 }, |
| |
| { ngx_string("geoip_org"), NULL, |
| ngx_http_geoip_org_variable, |
| 0, 0, 0 }, |
| |
| { ngx_string("geoip_city_continent_code"), NULL, |
| ngx_http_geoip_city_variable, |
| offsetof(GeoIPRecord, continent_code), 0, 0 }, |
| |
| { ngx_string("geoip_city_country_code"), NULL, |
| ngx_http_geoip_city_variable, |
| offsetof(GeoIPRecord, country_code), 0, 0 }, |
| |
| { ngx_string("geoip_city_country_code3"), NULL, |
| ngx_http_geoip_city_variable, |
| offsetof(GeoIPRecord, country_code3), 0, 0 }, |
| |
| { ngx_string("geoip_city_country_name"), NULL, |
| ngx_http_geoip_city_variable, |
| offsetof(GeoIPRecord, country_name), 0, 0 }, |
| |
| { ngx_string("geoip_region"), NULL, |
| ngx_http_geoip_city_variable, |
| offsetof(GeoIPRecord, region), 0, 0 }, |
| |
| { ngx_string("geoip_region_name"), NULL, |
| ngx_http_geoip_region_name_variable, |
| 0, 0, 0 }, |
| |
| { ngx_string("geoip_city"), NULL, |
| ngx_http_geoip_city_variable, |
| offsetof(GeoIPRecord, city), 0, 0 }, |
| |
| { ngx_string("geoip_postal_code"), NULL, |
| ngx_http_geoip_city_variable, |
| offsetof(GeoIPRecord, postal_code), 0, 0 }, |
| |
| { ngx_string("geoip_latitude"), NULL, |
| ngx_http_geoip_city_float_variable, |
| offsetof(GeoIPRecord, latitude), 0, 0 }, |
| |
| { ngx_string("geoip_longitude"), NULL, |
| ngx_http_geoip_city_float_variable, |
| offsetof(GeoIPRecord, longitude), 0, 0 }, |
| |
| { ngx_string("geoip_dma_code"), NULL, |
| ngx_http_geoip_city_int_variable, |
| offsetof(GeoIPRecord, dma_code), 0, 0 }, |
| |
| { ngx_string("geoip_area_code"), NULL, |
| ngx_http_geoip_city_int_variable, |
| offsetof(GeoIPRecord, area_code), 0, 0 }, |
| |
| { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| }; |
| |
| |
| static u_long |
| ngx_http_geoip_addr(ngx_http_request_t *r, ngx_http_geoip_conf_t *gcf) |
| { |
| ngx_addr_t addr; |
| ngx_array_t *xfwd; |
| struct sockaddr_in *sin; |
| |
| addr.sockaddr = r->connection->sockaddr; |
| addr.socklen = r->connection->socklen; |
| /* addr.name = r->connection->addr_text; */ |
| |
| xfwd = &r->headers_in.x_forwarded_for; |
| |
| if (xfwd->nelts > 0 && gcf->proxies != NULL) { |
| (void) ngx_http_get_forwarded_addr(r, &addr, xfwd, NULL, |
| gcf->proxies, gcf->proxy_recursive); |
| } |
| |
| #if (NGX_HAVE_INET6) |
| |
| if (addr.sockaddr->sa_family == AF_INET6) { |
| u_char *p; |
| in_addr_t inaddr; |
| struct in6_addr *inaddr6; |
| |
| inaddr6 = &((struct sockaddr_in6 *) addr.sockaddr)->sin6_addr; |
| |
| if (IN6_IS_ADDR_V4MAPPED(inaddr6)) { |
| p = inaddr6->s6_addr; |
| |
| inaddr = p[12] << 24; |
| inaddr += p[13] << 16; |
| inaddr += p[14] << 8; |
| inaddr += p[15]; |
| |
| return inaddr; |
| } |
| } |
| |
| #endif |
| |
| if (addr.sockaddr->sa_family != AF_INET) { |
| return INADDR_NONE; |
| } |
| |
| sin = (struct sockaddr_in *) addr.sockaddr; |
| return ntohl(sin->sin_addr.s_addr); |
| } |
| |
| |
| #if (NGX_HAVE_GEOIP_V6) |
| |
| static geoipv6_t |
| ngx_http_geoip_addr_v6(ngx_http_request_t *r, ngx_http_geoip_conf_t *gcf) |
| { |
| ngx_addr_t addr; |
| ngx_array_t *xfwd; |
| in_addr_t addr4; |
| struct in6_addr addr6; |
| struct sockaddr_in *sin; |
| struct sockaddr_in6 *sin6; |
| |
| addr.sockaddr = r->connection->sockaddr; |
| addr.socklen = r->connection->socklen; |
| /* addr.name = r->connection->addr_text; */ |
| |
| xfwd = &r->headers_in.x_forwarded_for; |
| |
| if (xfwd->nelts > 0 && gcf->proxies != NULL) { |
| (void) ngx_http_get_forwarded_addr(r, &addr, xfwd, NULL, |
| gcf->proxies, gcf->proxy_recursive); |
| } |
| |
| switch (addr.sockaddr->sa_family) { |
| |
| case AF_INET: |
| /* Produce IPv4-mapped IPv6 address. */ |
| sin = (struct sockaddr_in *) addr.sockaddr; |
| addr4 = ntohl(sin->sin_addr.s_addr); |
| |
| ngx_memzero(&addr6, sizeof(struct in6_addr)); |
| addr6.s6_addr[10] = 0xff; |
| addr6.s6_addr[11] = 0xff; |
| addr6.s6_addr[12] = addr4 >> 24; |
| addr6.s6_addr[13] = addr4 >> 16; |
| addr6.s6_addr[14] = addr4 >> 8; |
| addr6.s6_addr[15] = addr4; |
| return addr6; |
| |
| case AF_INET6: |
| sin6 = (struct sockaddr_in6 *) addr.sockaddr; |
| return sin6->sin6_addr; |
| |
| default: |
| return in6addr_any; |
| } |
| } |
| |
| #endif |
| |
| |
| static ngx_int_t |
| ngx_http_geoip_country_variable(ngx_http_request_t *r, |
| ngx_http_variable_value_t *v, uintptr_t data) |
| { |
| ngx_http_geoip_variable_handler_pt handler = |
| ngx_http_geoip_country_functions[data]; |
| #if (NGX_HAVE_GEOIP_V6) |
| ngx_http_geoip_variable_handler_v6_pt handler_v6 = |
| ngx_http_geoip_country_v6_functions[data]; |
| #endif |
| |
| const char *val; |
| ngx_http_geoip_conf_t *gcf; |
| |
| gcf = ngx_http_get_module_main_conf(r, ngx_http_geoip_module); |
| |
| if (gcf->country == NULL) { |
| goto not_found; |
| } |
| |
| #if (NGX_HAVE_GEOIP_V6) |
| val = gcf->country_v6 |
| ? handler_v6(gcf->country, ngx_http_geoip_addr_v6(r, gcf)) |
| : handler(gcf->country, ngx_http_geoip_addr(r, gcf)); |
| #else |
| val = handler(gcf->country, ngx_http_geoip_addr(r, gcf)); |
| #endif |
| |
| if (val == NULL) { |
| goto not_found; |
| } |
| |
| v->len = ngx_strlen(val); |
| v->valid = 1; |
| v->no_cacheable = 0; |
| v->not_found = 0; |
| v->data = (u_char *) val; |
| |
| return NGX_OK; |
| |
| not_found: |
| |
| v->not_found = 1; |
| |
| return NGX_OK; |
| } |
| |
| |
| static ngx_int_t |
| ngx_http_geoip_org_variable(ngx_http_request_t *r, |
| ngx_http_variable_value_t *v, uintptr_t data) |
| { |
| size_t len; |
| char *val; |
| ngx_http_geoip_conf_t *gcf; |
| |
| gcf = ngx_http_get_module_main_conf(r, ngx_http_geoip_module); |
| |
| if (gcf->org == NULL) { |
| goto not_found; |
| } |
| |
| #if (NGX_HAVE_GEOIP_V6) |
| val = gcf->org_v6 |
| ? GeoIP_name_by_ipnum_v6(gcf->org, |
| ngx_http_geoip_addr_v6(r, gcf)) |
| : GeoIP_name_by_ipnum(gcf->org, |
| ngx_http_geoip_addr(r, gcf)); |
| #else |
| val = GeoIP_name_by_ipnum(gcf->org, ngx_http_geoip_addr(r, gcf)); |
| #endif |
| |
| if (val == NULL) { |
| goto not_found; |
| } |
| |
| len = ngx_strlen(val); |
| v->data = ngx_pnalloc(r->pool, len); |
| if (v->data == NULL) { |
| ngx_free(val); |
| return NGX_ERROR; |
| } |
| |
| ngx_memcpy(v->data, val, len); |
| |
| v->len = len; |
| v->valid = 1; |
| v->no_cacheable = 0; |
| v->not_found = 0; |
| |
| ngx_free(val); |
| |
| return NGX_OK; |
| |
| not_found: |
| |
| v->not_found = 1; |
| |
| return NGX_OK; |
| } |
| |
| |
| static ngx_int_t |
| ngx_http_geoip_city_variable(ngx_http_request_t *r, |
| ngx_http_variable_value_t *v, uintptr_t data) |
| { |
| char *val; |
| size_t len; |
| GeoIPRecord *gr; |
| |
| gr = ngx_http_geoip_get_city_record(r); |
| if (gr == NULL) { |
| goto not_found; |
| } |
| |
| val = *(char **) ((char *) gr + data); |
| if (val == NULL) { |
| goto no_value; |
| } |
| |
| len = ngx_strlen(val); |
| v->data = ngx_pnalloc(r->pool, len); |
| if (v->data == NULL) { |
| GeoIPRecord_delete(gr); |
| return NGX_ERROR; |
| } |
| |
| ngx_memcpy(v->data, val, len); |
| |
| v->len = len; |
| v->valid = 1; |
| v->no_cacheable = 0; |
| v->not_found = 0; |
| |
| GeoIPRecord_delete(gr); |
| |
| return NGX_OK; |
| |
| no_value: |
| |
| GeoIPRecord_delete(gr); |
| |
| not_found: |
| |
| v->not_found = 1; |
| |
| return NGX_OK; |
| } |
| |
| |
| static ngx_int_t |
| ngx_http_geoip_region_name_variable(ngx_http_request_t *r, |
| ngx_http_variable_value_t *v, uintptr_t data) |
| { |
| size_t len; |
| const char *val; |
| GeoIPRecord *gr; |
| |
| gr = ngx_http_geoip_get_city_record(r); |
| if (gr == NULL) { |
| goto not_found; |
| } |
| |
| val = GeoIP_region_name_by_code(gr->country_code, gr->region); |
| |
| GeoIPRecord_delete(gr); |
| |
| if (val == NULL) { |
| goto not_found; |
| } |
| |
| len = ngx_strlen(val); |
| v->data = ngx_pnalloc(r->pool, len); |
| if (v->data == NULL) { |
| return NGX_ERROR; |
| } |
| |
| ngx_memcpy(v->data, val, len); |
| |
| v->len = len; |
| v->valid = 1; |
| v->no_cacheable = 0; |
| v->not_found = 0; |
| |
| return NGX_OK; |
| |
| not_found: |
| |
| v->not_found = 1; |
| |
| return NGX_OK; |
| } |
| |
| |
| static ngx_int_t |
| ngx_http_geoip_city_float_variable(ngx_http_request_t *r, |
| ngx_http_variable_value_t *v, uintptr_t data) |
| { |
| float val; |
| GeoIPRecord *gr; |
| |
| gr = ngx_http_geoip_get_city_record(r); |
| if (gr == NULL) { |
| v->not_found = 1; |
| return NGX_OK; |
| } |
| |
| v->data = ngx_pnalloc(r->pool, NGX_INT64_LEN + 5); |
| if (v->data == NULL) { |
| GeoIPRecord_delete(gr); |
| return NGX_ERROR; |
| } |
| |
| val = *(float *) ((char *) gr + data); |
| |
| v->len = ngx_sprintf(v->data, "%.4f", val) - v->data; |
| v->valid = 1; |
| v->no_cacheable = 0; |
| v->not_found = 0; |
| |
| GeoIPRecord_delete(gr); |
| |
| return NGX_OK; |
| } |
| |
| |
| static ngx_int_t |
| ngx_http_geoip_city_int_variable(ngx_http_request_t *r, |
| ngx_http_variable_value_t *v, uintptr_t data) |
| { |
| int val; |
| GeoIPRecord *gr; |
| |
| gr = ngx_http_geoip_get_city_record(r); |
| if (gr == NULL) { |
| v->not_found = 1; |
| return NGX_OK; |
| } |
| |
| v->data = ngx_pnalloc(r->pool, NGX_INT64_LEN); |
| if (v->data == NULL) { |
| GeoIPRecord_delete(gr); |
| return NGX_ERROR; |
| } |
| |
| val = *(int *) ((char *) gr + data); |
| |
| v->len = ngx_sprintf(v->data, "%d", val) - v->data; |
| v->valid = 1; |
| v->no_cacheable = 0; |
| v->not_found = 0; |
| |
| GeoIPRecord_delete(gr); |
| |
| return NGX_OK; |
| } |
| |
| |
| static GeoIPRecord * |
| ngx_http_geoip_get_city_record(ngx_http_request_t *r) |
| { |
| ngx_http_geoip_conf_t *gcf; |
| |
| gcf = ngx_http_get_module_main_conf(r, ngx_http_geoip_module); |
| |
| if (gcf->city) { |
| #if (NGX_HAVE_GEOIP_V6) |
| return gcf->city_v6 |
| ? GeoIP_record_by_ipnum_v6(gcf->city, |
| ngx_http_geoip_addr_v6(r, gcf)) |
| : GeoIP_record_by_ipnum(gcf->city, |
| ngx_http_geoip_addr(r, gcf)); |
| #else |
| return GeoIP_record_by_ipnum(gcf->city, ngx_http_geoip_addr(r, gcf)); |
| #endif |
| } |
| |
| return NULL; |
| } |
| |
| |
| static ngx_int_t |
| ngx_http_geoip_add_variables(ngx_conf_t *cf) |
| { |
| ngx_http_variable_t *var, *v; |
| |
| for (v = ngx_http_geoip_vars; v->name.len; v++) { |
| var = ngx_http_add_variable(cf, &v->name, v->flags); |
| if (var == NULL) { |
| return NGX_ERROR; |
| } |
| |
| var->get_handler = v->get_handler; |
| var->data = v->data; |
| } |
| |
| return NGX_OK; |
| } |
| |
| |
| static void * |
| ngx_http_geoip_create_conf(ngx_conf_t *cf) |
| { |
| ngx_pool_cleanup_t *cln; |
| ngx_http_geoip_conf_t *conf; |
| |
| conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_geoip_conf_t)); |
| if (conf == NULL) { |
| return NULL; |
| } |
| |
| conf->proxy_recursive = NGX_CONF_UNSET; |
| |
| cln = ngx_pool_cleanup_add(cf->pool, 0); |
| if (cln == NULL) { |
| return NULL; |
| } |
| |
| cln->handler = ngx_http_geoip_cleanup; |
| cln->data = conf; |
| |
| return conf; |
| } |
| |
| |
| static char * |
| ngx_http_geoip_init_conf(ngx_conf_t *cf, void *conf) |
| { |
| ngx_http_geoip_conf_t *gcf = conf; |
| |
| ngx_conf_init_value(gcf->proxy_recursive, 0); |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| static char * |
| ngx_http_geoip_country(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| ngx_http_geoip_conf_t *gcf = conf; |
| |
| ngx_str_t *value; |
| |
| if (gcf->country) { |
| return "is duplicate"; |
| } |
| |
| value = cf->args->elts; |
| |
| gcf->country = GeoIP_open((char *) value[1].data, GEOIP_MEMORY_CACHE); |
| |
| if (gcf->country == NULL) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "GeoIP_open(\"%V\") failed", &value[1]); |
| |
| return NGX_CONF_ERROR; |
| } |
| |
| if (cf->args->nelts == 3) { |
| if (ngx_strcmp(value[2].data, "utf8") == 0) { |
| GeoIP_set_charset(gcf->country, GEOIP_CHARSET_UTF8); |
| |
| } else { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "invalid parameter \"%V\"", &value[2]); |
| return NGX_CONF_ERROR; |
| } |
| } |
| |
| switch (gcf->country->databaseType) { |
| |
| case GEOIP_COUNTRY_EDITION: |
| |
| return NGX_CONF_OK; |
| |
| #if (NGX_HAVE_GEOIP_V6) |
| case GEOIP_COUNTRY_EDITION_V6: |
| |
| gcf->country_v6 = 1; |
| return NGX_CONF_OK; |
| #endif |
| |
| default: |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "invalid GeoIP database \"%V\" type:%d", |
| &value[1], gcf->country->databaseType); |
| return NGX_CONF_ERROR; |
| } |
| } |
| |
| |
| static char * |
| ngx_http_geoip_org(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| ngx_http_geoip_conf_t *gcf = conf; |
| |
| ngx_str_t *value; |
| |
| if (gcf->org) { |
| return "is duplicate"; |
| } |
| |
| value = cf->args->elts; |
| |
| gcf->org = GeoIP_open((char *) value[1].data, GEOIP_MEMORY_CACHE); |
| |
| if (gcf->org == NULL) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "GeoIP_open(\"%V\") failed", &value[1]); |
| |
| return NGX_CONF_ERROR; |
| } |
| |
| if (cf->args->nelts == 3) { |
| if (ngx_strcmp(value[2].data, "utf8") == 0) { |
| GeoIP_set_charset(gcf->org, GEOIP_CHARSET_UTF8); |
| |
| } else { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "invalid parameter \"%V\"", &value[2]); |
| return NGX_CONF_ERROR; |
| } |
| } |
| |
| switch (gcf->org->databaseType) { |
| |
| case GEOIP_ISP_EDITION: |
| case GEOIP_ORG_EDITION: |
| case GEOIP_DOMAIN_EDITION: |
| case GEOIP_ASNUM_EDITION: |
| |
| return NGX_CONF_OK; |
| |
| #if (NGX_HAVE_GEOIP_V6) |
| case GEOIP_ISP_EDITION_V6: |
| case GEOIP_ORG_EDITION_V6: |
| case GEOIP_DOMAIN_EDITION_V6: |
| case GEOIP_ASNUM_EDITION_V6: |
| |
| gcf->org_v6 = 1; |
| return NGX_CONF_OK; |
| #endif |
| |
| default: |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "invalid GeoIP database \"%V\" type:%d", |
| &value[1], gcf->org->databaseType); |
| return NGX_CONF_ERROR; |
| } |
| } |
| |
| |
| static char * |
| ngx_http_geoip_city(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| ngx_http_geoip_conf_t *gcf = conf; |
| |
| ngx_str_t *value; |
| |
| if (gcf->city) { |
| return "is duplicate"; |
| } |
| |
| value = cf->args->elts; |
| |
| gcf->city = GeoIP_open((char *) value[1].data, GEOIP_MEMORY_CACHE); |
| |
| if (gcf->city == NULL) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "GeoIP_open(\"%V\") failed", &value[1]); |
| |
| return NGX_CONF_ERROR; |
| } |
| |
| if (cf->args->nelts == 3) { |
| if (ngx_strcmp(value[2].data, "utf8") == 0) { |
| GeoIP_set_charset(gcf->city, GEOIP_CHARSET_UTF8); |
| |
| } else { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "invalid parameter \"%V\"", &value[2]); |
| return NGX_CONF_ERROR; |
| } |
| } |
| |
| switch (gcf->city->databaseType) { |
| |
| case GEOIP_CITY_EDITION_REV0: |
| case GEOIP_CITY_EDITION_REV1: |
| |
| return NGX_CONF_OK; |
| |
| #if (NGX_HAVE_GEOIP_V6) |
| case GEOIP_CITY_EDITION_REV0_V6: |
| case GEOIP_CITY_EDITION_REV1_V6: |
| |
| gcf->city_v6 = 1; |
| return NGX_CONF_OK; |
| #endif |
| |
| default: |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "invalid GeoIP City database \"%V\" type:%d", |
| &value[1], gcf->city->databaseType); |
| return NGX_CONF_ERROR; |
| } |
| } |
| |
| |
| static char * |
| ngx_http_geoip_proxy(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| ngx_http_geoip_conf_t *gcf = conf; |
| |
| ngx_str_t *value; |
| ngx_cidr_t cidr, *c; |
| |
| value = cf->args->elts; |
| |
| if (ngx_http_geoip_cidr_value(cf, &value[1], &cidr) != NGX_OK) { |
| return NGX_CONF_ERROR; |
| } |
| |
| if (gcf->proxies == NULL) { |
| gcf->proxies = ngx_array_create(cf->pool, 4, sizeof(ngx_cidr_t)); |
| if (gcf->proxies == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| } |
| |
| c = ngx_array_push(gcf->proxies); |
| if (c == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| *c = cidr; |
| |
| return NGX_CONF_OK; |
| } |
| |
| static ngx_int_t |
| ngx_http_geoip_cidr_value(ngx_conf_t *cf, ngx_str_t *net, ngx_cidr_t *cidr) |
| { |
| ngx_int_t rc; |
| |
| if (ngx_strcmp(net->data, "255.255.255.255") == 0) { |
| cidr->family = AF_INET; |
| cidr->u.in.addr = 0xffffffff; |
| cidr->u.in.mask = 0xffffffff; |
| |
| return NGX_OK; |
| } |
| |
| rc = ngx_ptocidr(net, cidr); |
| |
| if (rc == NGX_ERROR) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid network \"%V\"", net); |
| return NGX_ERROR; |
| } |
| |
| if (rc == NGX_DONE) { |
| ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
| "low address bits of %V are meaningless", net); |
| } |
| |
| return NGX_OK; |
| } |
| |
| |
| static void |
| ngx_http_geoip_cleanup(void *data) |
| { |
| ngx_http_geoip_conf_t *gcf = data; |
| |
| if (gcf->country) { |
| GeoIP_delete(gcf->country); |
| } |
| |
| if (gcf->org) { |
| GeoIP_delete(gcf->org); |
| } |
| |
| if (gcf->city) { |
| GeoIP_delete(gcf->city); |
| } |
| } |
