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Diffstat (limited to 'app/nginx/src/stream/ngx_stream_realip_module.c')
-rw-r--r--app/nginx/src/stream/ngx_stream_realip_module.c348
1 files changed, 0 insertions, 348 deletions
diff --git a/app/nginx/src/stream/ngx_stream_realip_module.c b/app/nginx/src/stream/ngx_stream_realip_module.c
deleted file mode 100644
index 0740431..0000000
--- a/app/nginx/src/stream/ngx_stream_realip_module.c
+++ /dev/null
@@ -1,348 +0,0 @@
-
-/*
- * Copyright (C) Igor Sysoev
- * Copyright (C) Nginx, Inc.
- */
-
-
-#include <ngx_config.h>
-#include <ngx_core.h>
-#include <ngx_stream.h>
-
-
-typedef struct {
- ngx_array_t *from; /* array of ngx_cidr_t */
-} ngx_stream_realip_srv_conf_t;
-
-
-typedef struct {
- struct sockaddr *sockaddr;
- socklen_t socklen;
- ngx_str_t addr_text;
-} ngx_stream_realip_ctx_t;
-
-
-static ngx_int_t ngx_stream_realip_handler(ngx_stream_session_t *s);
-static ngx_int_t ngx_stream_realip_set_addr(ngx_stream_session_t *s,
- ngx_addr_t *addr);
-static char *ngx_stream_realip_from(ngx_conf_t *cf, ngx_command_t *cmd,
- void *conf);
-static void *ngx_stream_realip_create_srv_conf(ngx_conf_t *cf);
-static char *ngx_stream_realip_merge_srv_conf(ngx_conf_t *cf, void *parent,
- void *child);
-static ngx_int_t ngx_stream_realip_add_variables(ngx_conf_t *cf);
-static ngx_int_t ngx_stream_realip_init(ngx_conf_t *cf);
-
-
-static ngx_int_t ngx_stream_realip_remote_addr_variable(ngx_stream_session_t *s,
- ngx_stream_variable_value_t *v, uintptr_t data);
-static ngx_int_t ngx_stream_realip_remote_port_variable(ngx_stream_session_t *s,
- ngx_stream_variable_value_t *v, uintptr_t data);
-
-
-static ngx_command_t ngx_stream_realip_commands[] = {
-
- { ngx_string("set_real_ip_from"),
- NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1,
- ngx_stream_realip_from,
- NGX_STREAM_SRV_CONF_OFFSET,
- 0,
- NULL },
-
- ngx_null_command
-};
-
-
-static ngx_stream_module_t ngx_stream_realip_module_ctx = {
- ngx_stream_realip_add_variables, /* preconfiguration */
- ngx_stream_realip_init, /* postconfiguration */
-
- NULL, /* create main configuration */
- NULL, /* init main configuration */
-
- ngx_stream_realip_create_srv_conf, /* create server configuration */
- ngx_stream_realip_merge_srv_conf /* merge server configuration */
-};
-
-
-ngx_module_t ngx_stream_realip_module = {
- NGX_MODULE_V1,
- &ngx_stream_realip_module_ctx, /* module context */
- ngx_stream_realip_commands, /* module directives */
- NGX_STREAM_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_stream_variable_t ngx_stream_realip_vars[] = {
-
- { ngx_string("realip_remote_addr"), NULL,
- ngx_stream_realip_remote_addr_variable, 0, 0, 0 },
-
- { ngx_string("realip_remote_port"), NULL,
- ngx_stream_realip_remote_port_variable, 0, 0, 0 },
-
- { ngx_null_string, NULL, NULL, 0, 0, 0 }
-};
-
-
-static ngx_int_t
-ngx_stream_realip_handler(ngx_stream_session_t *s)
-{
- ngx_addr_t addr;
- ngx_connection_t *c;
- ngx_stream_realip_srv_conf_t *rscf;
-
- rscf = ngx_stream_get_module_srv_conf(s, ngx_stream_realip_module);
-
- if (rscf->from == NULL) {
- return NGX_DECLINED;
- }
-
- c = s->connection;
-
- if (c->proxy_protocol_addr.len == 0) {
- return NGX_DECLINED;
- }
-
- if (ngx_cidr_match(c->sockaddr, rscf->from) != NGX_OK) {
- return NGX_DECLINED;
- }
-
- if (ngx_parse_addr(c->pool, &addr, c->proxy_protocol_addr.data,
- c->proxy_protocol_addr.len)
- != NGX_OK)
- {
- return NGX_DECLINED;
- }
-
- ngx_inet_set_port(addr.sockaddr, c->proxy_protocol_port);
-
- return ngx_stream_realip_set_addr(s, &addr);
-}
-
-
-static ngx_int_t
-ngx_stream_realip_set_addr(ngx_stream_session_t *s, ngx_addr_t *addr)
-{
- size_t len;
- u_char *p;
- u_char text[NGX_SOCKADDR_STRLEN];
- ngx_connection_t *c;
- ngx_stream_realip_ctx_t *ctx;
-
- c = s->connection;
-
- ctx = ngx_palloc(c->pool, sizeof(ngx_stream_realip_ctx_t));
- if (ctx == NULL) {
- return NGX_ERROR;
- }
-
- len = ngx_sock_ntop(addr->sockaddr, addr->socklen, text,
- NGX_SOCKADDR_STRLEN, 0);
- if (len == 0) {
- return NGX_ERROR;
- }
-
- p = ngx_pnalloc(c->pool, len);
- if (p == NULL) {
- return NGX_ERROR;
- }
-
- ngx_memcpy(p, text, len);
-
- ngx_stream_set_ctx(s, ctx, ngx_stream_realip_module);
-
- ctx->sockaddr = c->sockaddr;
- ctx->socklen = c->socklen;
- ctx->addr_text = c->addr_text;
-
- c->sockaddr = addr->sockaddr;
- c->socklen = addr->socklen;
- c->addr_text.len = len;
- c->addr_text.data = p;
-
- return NGX_DECLINED;
-}
-
-
-static char *
-ngx_stream_realip_from(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
-{
- ngx_stream_realip_srv_conf_t *rscf = conf;
-
- ngx_int_t rc;
- ngx_str_t *value;
- ngx_cidr_t *cidr;
-
- value = cf->args->elts;
-
- if (rscf->from == NULL) {
- rscf->from = ngx_array_create(cf->pool, 2,
- sizeof(ngx_cidr_t));
- if (rscf->from == NULL) {
- return NGX_CONF_ERROR;
- }
- }
-
- cidr = ngx_array_push(rscf->from);
- if (cidr == NULL) {
- return NGX_CONF_ERROR;
- }
-
-#if (NGX_HAVE_UNIX_DOMAIN)
-
- if (ngx_strcmp(value[1].data, "unix:") == 0) {
- cidr->family = AF_UNIX;
- return NGX_CONF_OK;
- }
-
-#endif
-
- rc = ngx_ptocidr(&value[1], cidr);
-
- if (rc == NGX_ERROR) {
- ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%V\"",
- &value[1]);
- return NGX_CONF_ERROR;
- }
-
- if (rc == NGX_DONE) {
- ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
- "low address bits of %V are meaningless", &value[1]);
- }
-
- return NGX_CONF_OK;
-}
-
-
-static void *
-ngx_stream_realip_create_srv_conf(ngx_conf_t *cf)
-{
- ngx_stream_realip_srv_conf_t *conf;
-
- conf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_realip_srv_conf_t));
- if (conf == NULL) {
- return NULL;
- }
-
- /*
- * set by ngx_pcalloc():
- *
- * conf->from = NULL;
- */
-
- return conf;
-}
-
-
-static char *
-ngx_stream_realip_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
-{
- ngx_stream_realip_srv_conf_t *prev = parent;
- ngx_stream_realip_srv_conf_t *conf = child;
-
- if (conf->from == NULL) {
- conf->from = prev->from;
- }
-
- return NGX_CONF_OK;
-}
-
-
-static ngx_int_t
-ngx_stream_realip_add_variables(ngx_conf_t *cf)
-{
- ngx_stream_variable_t *var, *v;
-
- for (v = ngx_stream_realip_vars; v->name.len; v++) {
- var = ngx_stream_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 ngx_int_t
-ngx_stream_realip_init(ngx_conf_t *cf)
-{
- ngx_stream_handler_pt *h;
- ngx_stream_core_main_conf_t *cmcf;
-
- cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module);
-
- h = ngx_array_push(&cmcf->phases[NGX_STREAM_POST_ACCEPT_PHASE].handlers);
- if (h == NULL) {
- return NGX_ERROR;
- }
-
- *h = ngx_stream_realip_handler;
-
- return NGX_OK;
-}
-
-
-static ngx_int_t
-ngx_stream_realip_remote_addr_variable(ngx_stream_session_t *s,
- ngx_stream_variable_value_t *v, uintptr_t data)
-{
- ngx_str_t *addr_text;
- ngx_stream_realip_ctx_t *ctx;
-
- ctx = ngx_stream_get_module_ctx(s, ngx_stream_realip_module);
-
- addr_text = ctx ? &ctx->addr_text : &s->connection->addr_text;
-
- v->len = addr_text->len;
- v->valid = 1;
- v->no_cacheable = 0;
- v->not_found = 0;
- v->data = addr_text->data;
-
- return NGX_OK;
-}
-
-
-static ngx_int_t
-ngx_stream_realip_remote_port_variable(ngx_stream_session_t *s,
- ngx_stream_variable_value_t *v, uintptr_t data)
-{
- ngx_uint_t port;
- struct sockaddr *sa;
- ngx_stream_realip_ctx_t *ctx;
-
- ctx = ngx_stream_get_module_ctx(s, ngx_stream_realip_module);
-
- sa = ctx ? ctx->sockaddr : s->connection->sockaddr;
-
- v->len = 0;
- v->valid = 1;
- v->no_cacheable = 0;
- v->not_found = 0;
-
- v->data = ngx_pnalloc(s->connection->pool, sizeof("65535") - 1);
- if (v->data == NULL) {
- return NGX_ERROR;
- }
-
- port = ngx_inet_get_port(sa);
-
- if (port > 0 && port < 65536) {
- v->len = ngx_sprintf(v->data, "%ui", port) - v->data;
- }
-
- return NGX_OK;
-}