Opened 14 years ago
Last modified 11 years ago
#13 closed enhancement
Proxy SSL Verify — at Initial Version
| Reported by: | waloeiii.myopenid.com | Owned by: | somebody |
|---|---|---|---|
| Priority: | minor | Milestone: | |
| Component: | nginx-module | Version: | |
| Keywords: | proxy ssl verify peer | Cc: | |
| uname -a: | Darwin loe.local 10.8.0 Darwin Kernel Version 10.8.0: Tue Jun 7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386 i386 | ||
| nginx -V: |
nginx version: nginx/0.8.55
built by gcc 4.2.1 (Apple Inc. build 5666) (dot 3) TLS SNI support enabled configure arguments: --prefix=/opt/local --with-debug --with-cc-opt='-I/opt/local/include -O2' --with-ld-opt=-L/opt/local/lib --conf-path=/opt/local/etc/nginx/nginx.conf --error-log-path=/opt/local/var/log/nginx/error.log --http-log-path=/opt/local/var/log/nginx/access.log --pid-path=/opt/local/var/run/nginx/nginx.pid --lock-path=/opt/local/var/run/nginx/nginx.lock --http-client-body-temp-path=/opt/local/var/run/nginx/client_body_temp --http-proxy-temp-path=/opt/local/var/run/nginx/proxy_temp --http-fastcgi-temp-path=/opt/local/var/run/nginx/fastcgi_temp --with-http_ssl_module --with-http_stub_status_module --with-http_gzip_static_module --add-module=/Users/Andrew/Downloads/debuild/nginx/nginx-0.7.67/modules/nginx_upload_module-2.0.12c |
||
Description
Enable verification of the SSL certificate presented to the http_proxy_module.
diff -uNr ../nginx-0.8.55/src/event/ngx_event_openssl.c src/event/ngx_event_openssl.c
--- ../nginx-0.8.55/src/event/ngx_event_openssl.c 2010-07-29 02:30:15.000000000 -0700
+++ src/event/ngx_event_openssl.c 2011-09-13 15:27:08.000000000 -0700
@@ -157,6 +157,12 @@
SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_CHALLENGE_BUG);
SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG);
+ /* verification options */
+
+ SSL_CTX_load_verify_locations(ssl->ctx, (const char *)ssl->ca_certificate.data, NULL);
+ SSL_CTX_set_verify(ssl->ctx, ssl->verify, NULL);
+ SSL_CTX_set_verify_depth(ssl->ctx, ssl->verify_depth);
+
/* server side options */
SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG);
diff -uNr ../nginx-0.8.55/src/event/ngx_event_openssl.h src/event/ngx_event_openssl.h
--- ../nginx-0.8.55/src/event/ngx_event_openssl.h 2010-03-03 08:23:14.000000000 -0800
+++ src/event/ngx_event_openssl.h 2011-09-13 15:27:08.000000000 -0700
@@ -27,6 +27,9 @@
typedef struct {
SSL_CTX *ctx;
ngx_log_t *log;
+ ngx_uint_t verify;
+ ngx_uint_t verify_depth;
+ ngx_str_t ca_certificate;
} ngx_ssl_t;
diff -uNr ../nginx-0.8.55/src/http/modules/ngx_http_proxy_module.c src/http/modules/ngx_http_proxy_module.c
--- ../nginx-0.8.55/src/http/modules/ngx_http_proxy_module.c 2010-08-03 05:59:14.000000000 -0700
+++ src/http/modules/ngx_http_proxy_module.c 2011-09-13 15:27:08.000000000 -0700
@@ -441,6 +441,27 @@
offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_session_reuse),
NULL },
+ { ngx_string("proxy_ssl_verify"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_num_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_verify),
+ NULL },
+
+ { ngx_string("proxy_ssl_verify_depth"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_num_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_verify_depth),
+ NULL },
+
+ { ngx_string("proxy_ssl_ca_certificate"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_str_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_ca_certificate),
+ NULL },
+
#endif
ngx_null_command
@@ -1696,6 +1717,8 @@
conf->upstream.intercept_errors = NGX_CONF_UNSET;
#if (NGX_HTTP_SSL)
conf->upstream.ssl_session_reuse = NGX_CONF_UNSET;
+ conf->upstream.ssl_verify = NGX_CONF_UNSET_UINT;
+ conf->upstream.ssl_verify_depth = NGX_CONF_UNSET_UINT;
#endif
/* "proxy_cyclic_temp_file" is disabled */
@@ -1951,6 +1974,22 @@
#if (NGX_HTTP_SSL)
ngx_conf_merge_value(conf->upstream.ssl_session_reuse,
prev->upstream.ssl_session_reuse, 1);
+ ngx_conf_merge_uint_value(conf->upstream.ssl_verify,
+ prev->upstream.ssl_verify, 0);
+ ngx_conf_merge_uint_value(conf->upstream.ssl_verify_depth,
+ prev->upstream.ssl_verify_depth, 1);
+ ngx_conf_merge_str_value(conf->upstream.ssl_ca_certificate,
+ prev->upstream.ssl_ca_certificate, "");
+
+ if (conf->upstream.ssl_verify) {
+ if (conf->upstream.ssl_ca_certificate.len == 0) {
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+ "no \"proxy_ssl_ca_certificate\" is defined for "
+ "the \"proxy_ssl_verify\" directive");
+
+ return NGX_CONF_ERROR;
+ }
+ }
#endif
ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
@@ -2727,6 +2766,12 @@
plcf->upstream.ssl->log = cf->log;
+ plcf->upstream.ssl->ca_certificate.len = plcf->upstream.ssl_ca_certificate.len;
+ plcf->upstream.ssl->ca_certificate.data = plcf->upstream.ssl_ca_certificate.data;
+
+ plcf->upstream.ssl->verify = plcf->upstream.ssl_verify;
+ plcf->upstream.ssl->verify_depth = plcf->upstream.ssl_verify_depth;
+
if (ngx_ssl_create(plcf->upstream.ssl,
NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL)
!= NGX_OK)
diff -uNr ../nginx-0.8.55/src/http/modules/ngx_http_proxy_module.c.orig src/http/modules/ngx_http_proxy_module.c.orig
--- ../nginx-0.8.55/src/http/modules/ngx_http_proxy_module.c.orig 1969-12-31 16:00:00.000000000 -0800
+++ src/http/modules/ngx_http_proxy_module.c.orig 2010-08-03 05:59:14.000000000 -0700
@@ -0,0 +1,2782 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ */
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+#include <ngx_http.h>
+
+
+typedef struct ngx_http_proxy_redirect_s ngx_http_proxy_redirect_t;
+
+typedef ngx_int_t (*ngx_http_proxy_redirect_pt)(ngx_http_request_t *r,
+ ngx_table_elt_t *h, size_t prefix, ngx_http_proxy_redirect_t *pr);
+
+struct ngx_http_proxy_redirect_s {
+ ngx_http_proxy_redirect_pt handler;
+ ngx_str_t redirect;
+
+ union {
+ ngx_str_t text;
+
+ struct {
+ void *lengths;
+ void *values;
+ } vars;
+
+ void *regex;
+ } replacement;
+};
+
+
+typedef struct {
+ ngx_str_t key_start;
+ ngx_str_t schema;
+ ngx_str_t host_header;
+ ngx_str_t port;
+ ngx_str_t uri;
+} ngx_http_proxy_vars_t;
+
+
+typedef struct {
+ ngx_http_upstream_conf_t upstream;
+
+ ngx_array_t *flushes;
+ ngx_array_t *body_set_len;
+ ngx_array_t *body_set;
+ ngx_array_t *headers_set_len;
+ ngx_array_t *headers_set;
+ ngx_hash_t headers_set_hash;
+
+ ngx_array_t *headers_source;
+
+ ngx_array_t *proxy_lengths;
+ ngx_array_t *proxy_values;
+
+ ngx_array_t *redirects;
+
+ ngx_str_t body_source;
+
+ ngx_str_t method;
+ ngx_str_t location;
+ ngx_str_t url;
+
+#if (NGX_HTTP_CACHE)
+ ngx_http_complex_value_t cache_key;
+#endif
+
+ ngx_http_proxy_vars_t vars;
+
+ ngx_flag_t redirect;
+
+ ngx_uint_t headers_hash_max_size;
+ ngx_uint_t headers_hash_bucket_size;
+} ngx_http_proxy_loc_conf_t;
+
+
+typedef struct {
+ ngx_http_status_t status;
+ ngx_http_proxy_vars_t vars;
+ size_t internal_body_length;
+} ngx_http_proxy_ctx_t;
+
+
+static ngx_int_t ngx_http_proxy_eval(ngx_http_request_t *r,
+ ngx_http_proxy_ctx_t *ctx, ngx_http_proxy_loc_conf_t *plcf);
+#if (NGX_HTTP_CACHE)
+static ngx_int_t ngx_http_proxy_create_key(ngx_http_request_t *r);
+#endif
+static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r);
+static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r);
+static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r);
+static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r);
+static void ngx_http_proxy_abort_request(ngx_http_request_t *r);
+static void ngx_http_proxy_finalize_request(ngx_http_request_t *r,
+ ngx_int_t rc);
+
+static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r,
+ ngx_http_variable_value_t *v, uintptr_t data);
+static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r,
+ ngx_http_variable_value_t *v, uintptr_t data);
+static ngx_int_t
+ ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
+ ngx_http_variable_value_t *v, uintptr_t data);
+static ngx_int_t
+ ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
+ ngx_http_variable_value_t *v, uintptr_t data);
+static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r,
+ ngx_table_elt_t *h, size_t prefix);
+
+static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf);
+static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf);
+static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf,
+ void *parent, void *child);
+static ngx_int_t ngx_http_proxy_merge_headers(ngx_conf_t *cf,
+ ngx_http_proxy_loc_conf_t *conf, ngx_http_proxy_loc_conf_t *prev);
+
+static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd,
+ void *conf);
+static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd,
+ void *conf);
+static char *ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd,
+ void *conf);
+#if (NGX_HTTP_CACHE)
+static char *ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd,
+ void *conf);
+static char *ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd,
+ void *conf);
+#endif
+
+static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data);
+
+#if (NGX_HTTP_SSL)
+static ngx_int_t ngx_http_proxy_set_ssl(ngx_conf_t *cf,
+ ngx_http_proxy_loc_conf_t *plcf);
+#endif
+static void ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v);
+
+
+static ngx_conf_post_t ngx_http_proxy_lowat_post =
+ { ngx_http_proxy_lowat_check };
+
+
+static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = {
+ { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
+ { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
+ { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
+ { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
+ { ngx_string("http_502"), NGX_HTTP_UPSTREAM_FT_HTTP_502 },
+ { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
+ { ngx_string("http_504"), NGX_HTTP_UPSTREAM_FT_HTTP_504 },
+ { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
+ { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING },
+ { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
+ { ngx_null_string, 0 }
+};
+
+
+ngx_module_t ngx_http_proxy_module;
+
+
+static ngx_command_t ngx_http_proxy_commands[] = {
+
+ { ngx_string("proxy_pass"),
+ NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1,
+ ngx_http_proxy_pass,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ 0,
+ NULL },
+
+ { ngx_string("proxy_redirect"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
+ ngx_http_proxy_redirect,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ 0,
+ NULL },
+
+ { ngx_string("proxy_store"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_http_proxy_store,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ 0,
+ NULL },
+
+ { ngx_string("proxy_store_access"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
+ ngx_conf_set_access_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.store_access),
+ NULL },
+
+ { ngx_string("proxy_buffering"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
+ ngx_conf_set_flag_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering),
+ NULL },
+
+ { ngx_string("proxy_ignore_client_abort"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
+ ngx_conf_set_flag_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort),
+ NULL },
+
+ { ngx_string("proxy_bind"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_http_upstream_bind_set_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.local),
+ NULL },
+
+ { ngx_string("proxy_connect_timeout"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_msec_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout),
+ NULL },
+
+ { ngx_string("proxy_send_timeout"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_msec_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout),
+ NULL },
+
+ { ngx_string("proxy_send_lowat"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_size_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat),
+ &ngx_http_proxy_lowat_post },
+
+ { ngx_string("proxy_intercept_errors"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
+ ngx_conf_set_flag_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors),
+ NULL },
+
+ { ngx_string("proxy_set_header"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
+ ngx_conf_set_keyval_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, headers_source),
+ NULL },
+
+ { ngx_string("proxy_headers_hash_max_size"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_num_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size),
+ NULL },
+
+ { ngx_string("proxy_headers_hash_bucket_size"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_num_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size),
+ NULL },
+
+ { ngx_string("proxy_set_body"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_str_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, body_source),
+ NULL },
+
+ { ngx_string("proxy_method"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_str_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, method),
+ NULL },
+
+ { ngx_string("proxy_pass_request_headers"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
+ ngx_conf_set_flag_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers),
+ NULL },
+
+ { ngx_string("proxy_pass_request_body"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
+ ngx_conf_set_flag_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body),
+ NULL },
+
+ { ngx_string("proxy_buffer_size"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_size_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
+ NULL },
+
+ { ngx_string("proxy_read_timeout"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_msec_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout),
+ NULL },
+
+ { ngx_string("proxy_buffers"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
+ ngx_conf_set_bufs_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs),
+ NULL },
+
+ { ngx_string("proxy_busy_buffers_size"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_size_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
+ NULL },
+
+#if (NGX_HTTP_CACHE)
+
+ { ngx_string("proxy_cache"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_http_proxy_cache,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ 0,
+ NULL },
+
+ { ngx_string("proxy_cache_key"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_http_proxy_cache_key,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ 0,
+ NULL },
+
+ { ngx_string("proxy_cache_path"),
+ NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE,
+ ngx_http_file_cache_set_slot,
+ 0,
+ 0,
+ &ngx_http_proxy_module },
+
+ { ngx_string("proxy_cache_bypass"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
+ ngx_http_set_predicate_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_bypass),
+ NULL },
+
+ { ngx_string("proxy_no_cache"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
+ ngx_http_set_predicate_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.no_cache),
+ NULL },
+
+ { ngx_string("proxy_cache_valid"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
+ ngx_http_file_cache_valid_set_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_valid),
+ NULL },
+
+ { ngx_string("proxy_cache_min_uses"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_num_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_min_uses),
+ NULL },
+
+ { ngx_string("proxy_cache_use_stale"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
+ ngx_conf_set_bitmask_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_use_stale),
+ &ngx_http_proxy_next_upstream_masks },
+
+ { ngx_string("proxy_cache_methods"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
+ ngx_conf_set_bitmask_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_methods),
+ &ngx_http_upstream_cache_method_mask },
+
+#endif
+
+ { ngx_string("proxy_temp_path"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
+ ngx_conf_set_path_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path),
+ NULL },
+
+ { ngx_string("proxy_max_temp_file_size"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_size_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf),
+ NULL },
+
+ { ngx_string("proxy_temp_file_write_size"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_size_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf),
+ NULL },
+
+ { ngx_string("proxy_next_upstream"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
+ ngx_conf_set_bitmask_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
+ &ngx_http_proxy_next_upstream_masks },
+
+ { ngx_string("proxy_pass_header"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_str_array_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers),
+ NULL },
+
+ { ngx_string("proxy_hide_header"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_str_array_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers),
+ NULL },
+
+ { ngx_string("proxy_ignore_headers"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
+ ngx_conf_set_bitmask_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_headers),
+ &ngx_http_upstream_ignore_headers_masks },
+
+#if (NGX_HTTP_SSL)
+
+ { ngx_string("proxy_ssl_session_reuse"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
+ ngx_conf_set_flag_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_session_reuse),
+ NULL },
+
+#endif
+
+ ngx_null_command
+};
+
+
+static ngx_http_module_t ngx_http_proxy_module_ctx = {
+ ngx_http_proxy_add_variables, /* preconfiguration */
+ NULL, /* postconfiguration */
+
+ NULL, /* create main configuration */
+ NULL, /* init main configuration */
+
+ NULL, /* create server configuration */
+ NULL, /* merge server configuration */
+
+ ngx_http_proxy_create_loc_conf, /* create location configration */
+ ngx_http_proxy_merge_loc_conf /* merge location configration */
+};
+
+
+ngx_module_t ngx_http_proxy_module = {
+ NGX_MODULE_V1,
+ &ngx_http_proxy_module_ctx, /* module context */
+ ngx_http_proxy_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 char ngx_http_proxy_version[] = " HTTP/1.0" CRLF;
+
+
+static ngx_keyval_t ngx_http_proxy_headers[] = {
+ { ngx_string("Host"), ngx_string("$proxy_host") },
+ { ngx_string("Connection"), ngx_string("close") },
+ { ngx_string("Keep-Alive"), ngx_string("") },
+ { ngx_string("Expect"), ngx_string("") },
+ { ngx_null_string, ngx_null_string }
+};
+
+
+static ngx_str_t ngx_http_proxy_hide_headers[] = {
+ ngx_string("Date"),
+ ngx_string("Server"),
+ ngx_string("X-Pad"),
+ ngx_string("X-Accel-Expires"),
+ ngx_string("X-Accel-Redirect"),
+ ngx_string("X-Accel-Limit-Rate"),
+ ngx_string("X-Accel-Buffering"),
+ ngx_string("X-Accel-Charset"),
+ ngx_null_string
+};
+
+
+#if (NGX_HTTP_CACHE)
+
+static ngx_keyval_t ngx_http_proxy_cache_headers[] = {
+ { ngx_string("Host"), ngx_string("$proxy_host") },
+ { ngx_string("Connection"), ngx_string("close") },
+ { ngx_string("Keep-Alive"), ngx_string("") },
+ { ngx_string("Expect"), ngx_string("") },
+ { ngx_string("If-Modified-Since"), ngx_string("") },
+ { ngx_string("If-Unmodified-Since"), ngx_string("") },
+ { ngx_string("If-None-Match"), ngx_string("") },
+ { ngx_string("If-Match"), ngx_string("") },
+ { ngx_string("Range"), ngx_string("") },
+ { ngx_string("If-Range"), ngx_string("") },
+ { ngx_null_string, ngx_null_string }
+};
+
+#endif
+
+
+static ngx_http_variable_t ngx_http_proxy_vars[] = {
+
+ { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0,
+ NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
+
+ { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0,
+ NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
+
+ { ngx_string("proxy_add_x_forwarded_for"), NULL,
+ ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
+
+#if 0
+ { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 },
+#endif
+
+ { ngx_string("proxy_internal_body_length"), NULL,
+ ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
+
+ { ngx_null_string, NULL, NULL, 0, 0, 0 }
+};
+
+
+static ngx_path_init_t ngx_http_proxy_temp_path = {
+ ngx_string(NGX_HTTP_PROXY_TEMP_PATH), { 1, 2, 0 }
+};
+
+
+static ngx_int_t
+ngx_http_proxy_handler(ngx_http_request_t *r)
+{
+ ngx_int_t rc;
+ ngx_http_upstream_t *u;
+ ngx_http_proxy_ctx_t *ctx;
+ ngx_http_proxy_loc_conf_t *plcf;
+
+ if (ngx_http_upstream_create(r) != NGX_OK) {
+ return NGX_HTTP_INTERNAL_SERVER_ERROR;
+ }
+
+ ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
+ if (ctx == NULL) {
+ return NGX_ERROR;
+ }
+
+ ngx_http_set_ctx(r, ctx, ngx_http_proxy_module);
+
+ plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
+
+ u = r->upstream;
+
+ if (plcf->proxy_lengths == NULL) {
+ ctx->vars = plcf->vars;
+ u->schema = plcf->vars.schema;
+#if (NGX_HTTP_SSL)
+ u->ssl = (plcf->upstream.ssl != NULL);
+#endif
+
+ } else {
+ if (ngx_http_proxy_eval(r, ctx, plcf) != NGX_OK) {
+ return NGX_HTTP_INTERNAL_SERVER_ERROR;
+ }
+ }
+
+ u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
+
+ u->conf = &plcf->upstream;
+
+#if (NGX_HTTP_CACHE)
+ u->create_key = ngx_http_proxy_create_key;
+#endif
+ u->create_request = ngx_http_proxy_create_request;
+ u->reinit_request = ngx_http_proxy_reinit_request;
+ u->process_header = ngx_http_proxy_process_status_line;
+ u->abort_request = ngx_http_proxy_abort_request;
+ u->finalize_request = ngx_http_proxy_finalize_request;
+ r->state = 0;
+
+ if (plcf->redirects) {
+ u->rewrite_redirect = ngx_http_proxy_rewrite_redirect;
+ }
+
+ u->buffering = plcf->upstream.buffering;
+
+ u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
+ if (u->pipe == NULL) {
+ return NGX_HTTP_INTERNAL_SERVER_ERROR;
+ }
+
+ u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
+
+ u->accel = 1;
+
+ rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
+
+ if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
+ return rc;
+ }
+
+ return NGX_DONE;
+}
+
+
+static ngx_int_t
+ngx_http_proxy_eval(ngx_http_request_t *r, ngx_http_proxy_ctx_t *ctx,
+ ngx_http_proxy_loc_conf_t *plcf)
+{
+ u_char *p;
+ size_t add;
+ u_short port;
+ ngx_str_t proxy;
+ ngx_url_t url;
+ ngx_http_upstream_t *u;
+
+ if (ngx_http_script_run(r, &proxy, plcf->proxy_lengths->elts, 0,
+ plcf->proxy_values->elts)
+ == NULL)
+ {
+ return NGX_ERROR;
+ }
+
+ if (ngx_strncasecmp(proxy.data, (u_char *) "http://", 7) == 0) {
+
+ add = 7;
+ port = 80;
+
+#if (NGX_HTTP_SSL)
+
+ } else if (ngx_strncasecmp(proxy.data, (u_char *) "https://", 8) == 0) {
+
+ add = 8;
+ port = 443;
+ r->upstream->ssl = 1;
+
+#endif
+
+ } else {
+ ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+ "invalid URL prefix in \"%V\"", &proxy);
+ return NGX_ERROR;
+ }
+
+ u = r->upstream;
+
+ u->schema.len = add;
+ u->schema.data = proxy.data;
+
+ ngx_memzero(&url, sizeof(ngx_url_t));
+
+ url.url.len = proxy.len - add;
+ url.url.data = proxy.data + add;
+ url.default_port = port;
+ url.uri_part = 1;
+ url.no_resolve = 1;
+
+ if (ngx_parse_url(r->pool, &url) != NGX_OK) {
+ if (url.err) {
+ ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+ "%s in upstream \"%V\"", url.err, &url.url);
+ }
+
+ return NGX_ERROR;
+ }
+
+ if (url.uri.len) {
+ if (url.uri.data[0] == '?') {
+ p = ngx_pnalloc(r->pool, url.uri.len + 1);
+ if (p == NULL) {
+ return NGX_ERROR;
+ }
+
+ *p++ = '/';
+ ngx_memcpy(p, url.uri.data, url.uri.len);
+
+ url.uri.len++;
+ url.uri.data = p - 1;
+ }
+
+ } else {
+ url.uri = r->unparsed_uri;
+ }
+
+ ctx->vars.key_start = u->schema;
+
+ ngx_http_proxy_set_vars(&url, &ctx->vars);
+
+ u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t));
+ if (u->resolved == NULL) {
+ return NGX_ERROR;
+ }
+
+ if (url.addrs && url.addrs[0].sockaddr) {
+ u->resolved->sockaddr = url.addrs[0].sockaddr;
+ u->resolved->socklen = url.addrs[0].socklen;
+ u->resolved->naddrs = 1;
+ u->resolved->host = url.addrs[0].name;
+
+ } else {
+ u->resolved->host = url.host;
+ u->resolved->port = (in_port_t) (url.no_port ? port : url.port);
+ u->resolved->no_port = url.no_port;
+ }
+
+ return NGX_OK;
+}
+
+
+#if (NGX_HTTP_CACHE)
+
+static ngx_int_t
+ngx_http_proxy_create_key(ngx_http_request_t *r)
+{
+ size_t len, loc_len;
+ u_char *p;
+ uintptr_t escape;
+ ngx_str_t *key;
+ ngx_http_upstream_t *u;
+ ngx_http_proxy_ctx_t *ctx;
+ ngx_http_proxy_loc_conf_t *plcf;
+
+ u = r->upstream;
+
+ plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
+
+ ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
+
+ key = ngx_array_push(&r->cache->keys);
+ if (key == NULL) {
+ return NGX_ERROR;
+ }
+
+ if (plcf->cache_key.value.len) {
+
+ if (ngx_http_complex_value(r, &plcf->cache_key, key) != NGX_OK) {
+ return NGX_ERROR;
+ }
+
+ return NGX_OK;
+ }
+
+ *key = ctx->vars.key_start;
+
+ key = ngx_array_push(&r->cache->keys);
+ if (key == NULL) {
+ return NGX_ERROR;
+ }
+
+ if (plcf->proxy_lengths) {
+
+ *key = ctx->vars.uri;
+ u->uri = ctx->vars.uri;
+
+ return NGX_OK;
+
+ } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main)
+ {
+ *key = r->unparsed_uri;
+ u->uri = r->unparsed_uri;
+
+ return NGX_OK;
+ }
+
+ loc_len = (r->valid_location && ctx->vars.uri.len) ? plcf->location.len : 0;
+
+ if (r->quoted_uri || r->internal) {
+ escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
+ r->uri.len - loc_len, NGX_ESCAPE_URI);
+ } else {
+ escape = 0;
+ }
+
+ len = ctx->vars.uri.len + r->uri.len - loc_len + escape
+ + sizeof("?") - 1 + r->args.len;
+
+ p = ngx_pnalloc(r->pool, len);
+ if (p == NULL) {
+ return NGX_ERROR;
+ }
+
+ key->data = p;
+
+ if (r->valid_location) {
+ p = ngx_copy(p, ctx->vars.uri.data, ctx->vars.uri.len);
+ }
+
+ if (escape) {
+ ngx_escape_uri(p, r->uri.data + loc_len,
+ r->uri.len - loc_len, NGX_ESCAPE_URI);
+ p += r->uri.len - loc_len + escape;
+
+ } else {
+ p = ngx_copy(p, r->uri.data + loc_len, r->uri.len - loc_len);
+ }
+
+ if (r->args.len > 0) {
+ *p++ = '?';
+ p = ngx_copy(p, r->args.data, r->args.len);
+ }
+
+ key->len = p - key->data;
+ u->uri = *key;
+
+ return NGX_OK;
+}
+
+#endif
+
+
+static ngx_int_t
+ngx_http_proxy_create_request(ngx_http_request_t *r)
+{
+ size_t len, uri_len, loc_len, body_len;
+ uintptr_t escape;
+ ngx_buf_t *b;
+ ngx_str_t method;
+ ngx_uint_t i, unparsed_uri;
+ ngx_chain_t *cl, *body;
+ ngx_list_part_t *part;
+ ngx_table_elt_t *header;
+ ngx_http_upstream_t *u;
+ ngx_http_proxy_ctx_t *ctx;
+ ngx_http_script_code_pt code;
+ ngx_http_script_engine_t e, le;
+ ngx_http_proxy_loc_conf_t *plcf;
+ ngx_http_script_len_code_pt lcode;
+
+ u = r->upstream;
+
+ plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
+
+ if (u->method.len) {
+ /* HEAD was changed to GET to cache response */
+ method = u->method;
+ method.len++;
+
+ } else if (plcf->method.len) {
+ method = plcf->method;
+
+ } else {
+ method = r->method_name;
+ method.len++;
+ }
+
+ len = method.len + sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
+
+ escape = 0;
+ loc_len = 0;
+ unparsed_uri = 0;
+
+ ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
+
+ if (plcf->proxy_lengths) {
+ uri_len = ctx->vars.uri.len;
+
+ } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main)
+ {
+ unparsed_uri = 1;
+ uri_len = r->unparsed_uri.len;
+
+ } else {
+ loc_len = (r->valid_location && ctx->vars.uri.len) ?
+ plcf->location.len : 0;
+
+ if (r->quoted_uri || r->space_in_uri || r->internal) {
+ escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
+ r->uri.len - loc_len, NGX_ESCAPE_URI);
+ }
+
+ uri_len = ctx->vars.uri.len + r->uri.len - loc_len + escape
+ + sizeof("?") - 1 + r->args.len;
+ }
+
+ if (uri_len == 0) {
+ ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+ "zero length URI to proxy");
+ return NGX_ERROR;
+ }
+
+ len += uri_len;
+
+ ngx_http_script_flush_no_cacheable_variables(r, plcf->flushes);
+
+ if (plcf->body_set_len) {
+ le.ip = plcf->body_set_len->elts;
+ le.request = r;
+ le.flushed = 1;
+ body_len = 0;
+
+ while (*(uintptr_t *) le.ip) {
+ lcode = *(ngx_http_script_len_code_pt *) le.ip;
+ body_len += lcode(&le);
+ }
+
+ ctx->internal_body_length = body_len;
+ len += body_len;
+ }
+
+ le.ip = plcf->headers_set_len->elts;
+ le.request = r;
+ le.flushed = 1;
+
+ while (*(uintptr_t *) le.ip) {
+ while (*(uintptr_t *) le.ip) {
+ lcode = *(ngx_http_script_len_code_pt *) le.ip;
+ len += lcode(&le);
+ }
+ le.ip += sizeof(uintptr_t);
+ }
+
+
+ if (plcf->upstream.pass_request_headers) {
+ part = &r->headers_in.headers.part;
+ header = part->elts;
+
+ for (i = 0; /* void */; i++) {
+
+ if (i >= part->nelts) {
+ if (part->next == NULL) {
+ break;
+ }
+
+ part = part->next;
+ header = part->elts;
+ i = 0;
+ }
+
+ if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
+ header[i].lowcase_key, header[i].key.len))
+ {
+ continue;
+ }
+
+ len += header[i].key.len + sizeof(": ") - 1
+ + header[i].value.len + sizeof(CRLF) - 1;
+ }
+ }
+
+
+ b = ngx_create_temp_buf(r->pool, len);
+ if (b == NULL) {
+ return NGX_ERROR;
+ }
+
+ cl = ngx_alloc_chain_link(r->pool);
+ if (cl == NULL) {
+ return NGX_ERROR;
+ }
+
+ cl->buf = b;
+
+
+ /* the request line */
+
+ b->last = ngx_copy(b->last, method.data, method.len);
+
+ u->uri.data = b->last;
+
+ if (plcf->proxy_lengths) {
+ b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
+
+ } else if (unparsed_uri) {
+ b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
+
+ } else {
+ if (r->valid_location) {
+ b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
+ }
+
+ if (escape) {
+ ngx_escape_uri(b->last, r->uri.data + loc_len,
+ r->uri.len - loc_len, NGX_ESCAPE_URI);
+ b->last += r->uri.len - loc_len + escape;
+
+ } else {
+ b->last = ngx_copy(b->last, r->uri.data + loc_len,
+ r->uri.len - loc_len);
+ }
+
+ if (r->args.len > 0) {
+ *b->last++ = '?';
+ b->last = ngx_copy(b->last, r->args.data, r->args.len);
+ }
+ }
+
+ u->uri.len = b->last - u->uri.data;
+
+ b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
+ sizeof(ngx_http_proxy_version) - 1);
+
+ ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
+
+ e.ip = plcf->headers_set->elts;
+ e.pos = b->last;
+ e.request = r;
+ e.flushed = 1;
+
+ le.ip = plcf->headers_set_len->elts;
+
+ while (*(uintptr_t *) le.ip) {
+ lcode = *(ngx_http_script_len_code_pt *) le.ip;
+
+ /* skip the header line name length */
+ (void) lcode(&le);
+
+ if (*(ngx_http_script_len_code_pt *) le.ip) {
+
+ for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
+ lcode = *(ngx_http_script_len_code_pt *) le.ip;
+ }
+
+ e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
+
+ } else {
+ e.skip = 0;
+ }
+
+ le.ip += sizeof(uintptr_t);
+
+ while (*(uintptr_t *) e.ip) {
+ code = *(ngx_http_script_code_pt *) e.ip;
+ code((ngx_http_script_engine_t *) &e);
+ }
+ e.ip += sizeof(uintptr_t);
+ }
+
+ b->last = e.pos;
+
+
+ if (plcf->upstream.pass_request_headers) {
+ part = &r->headers_in.headers.part;
+ header = part->elts;
+
+ for (i = 0; /* void */; i++) {
+
+ if (i >= part->nelts) {
+ if (part->next == NULL) {
+ break;
+ }
+
+ part = part->next;
+ header = part->elts;
+ i = 0;
+ }
+
+ if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
+ header[i].lowcase_key, header[i].key.len))
+ {
+ continue;
+ }
+
+ b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
+
+ *b->last++ = ':'; *b->last++ = ' ';
+
+ b->last = ngx_copy(b->last, header[i].value.data,
+ header[i].value.len);
+
+ *b->last++ = CR; *b->last++ = LF;
+
+ ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+ "http proxy header: \"%V: %V\"",
+ &header[i].key, &header[i].value);
+ }
+ }
+
+
+ /* add "\r\n" at the header end */
+ *b->last++ = CR; *b->last++ = LF;
+
+ if (plcf->body_set) {
+ e.ip = plcf->body_set->elts;
+ e.pos = b->last;
+
+ while (*(uintptr_t *) e.ip) {
+ code = *(ngx_http_script_code_pt *) e.ip;
+ code((ngx_http_script_engine_t *) &e);
+ }
+
+ b->last = e.pos;
+ }
+
+ ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+ "http proxy header:\n\"%*s\"",
+ (size_t) (b->last - b->pos), b->pos);
+
+ if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
+
+ body = u->request_bufs;
+ u->request_bufs = cl;
+
+ while (body) {
+ b = ngx_alloc_buf(r->pool);
+ if (b == NULL) {
+ return NGX_ERROR;
+ }
+
+ ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
+
+ cl->next = ngx_alloc_chain_link(r->pool);
+ if (cl->next == NULL) {
+ return NGX_ERROR;
+ }
+
+ cl = cl->next;
+ cl->buf = b;
+
+ body = body->next;
+ }
+
+ b->flush = 1;
+
+ } else {
+ u->request_bufs = cl;
+ }
+
+ cl->next = NULL;
+
+ return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_http_proxy_reinit_request(ngx_http_request_t *r)
+{
+ ngx_http_proxy_ctx_t *ctx;
+
+ ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
+
+ if (ctx == NULL) {
+ return NGX_OK;
+ }
+
+ ctx->status.code = 0;
+ ctx->status.count = 0;
+ ctx->status.start = NULL;
+ ctx->status.end = NULL;
+
+ r->upstream->process_header = ngx_http_proxy_process_status_line;
+ r->state = 0;
+
+ return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_http_proxy_process_status_line(ngx_http_request_t *r)
+{
+ size_t len;
+ ngx_int_t rc;
+ ngx_http_upstream_t *u;
+ ngx_http_proxy_ctx_t *ctx;
+
+ ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
+
+ if (ctx == NULL) {
+ return NGX_ERROR;
+ }
+
+ u = r->upstream;
+
+ rc = ngx_http_parse_status_line(r, &u->buffer, &ctx->status);
+
+ if (rc == NGX_AGAIN) {
+ return rc;
+ }
+
+ if (rc == NGX_ERROR) {
+
+#if (NGX_HTTP_CACHE)
+
+ if (r->cache) {
+ r->http_version = NGX_HTTP_VERSION_9;
+ return NGX_OK;
+ }
+
+#endif
+
+ ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+ "upstream sent no valid HTTP/1.0 header");
+
+#if 0
+ if (u->accel) {
+ return NGX_HTTP_UPSTREAM_INVALID_HEADER;
+ }
+#endif
+
+ r->http_version = NGX_HTTP_VERSION_9;
+ u->state->status = NGX_HTTP_OK;
+
+ return NGX_OK;
+ }
+
+ if (u->state) {
+ u->state->status = ctx->status.code;
+ }
+
+ u->headers_in.status_n = ctx->status.code;
+
+ len = ctx->status.end - ctx->status.start;
+ u->headers_in.status_line.len = len;
+
+ u->headers_in.status_line.data = ngx_pnalloc(r->pool, len);
+ if (u->headers_in.status_line.data == NULL) {
+ return NGX_ERROR;
+ }
+
+ ngx_memcpy(u->headers_in.status_line.data, ctx->status.start, len);
+
+ ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+ "http proxy status %ui \"%V\"",
+ u->headers_in.status_n, &u->headers_in.status_line);
+
+ u->process_header = ngx_http_proxy_process_header;
+
+ return ngx_http_proxy_process_header(r);
+}
+
+
+static ngx_int_t
+ngx_http_proxy_process_header(ngx_http_request_t *r)
+{
+ ngx_int_t rc;
+ ngx_table_elt_t *h;
+ ngx_http_upstream_header_t *hh;
+ ngx_http_upstream_main_conf_t *umcf;
+
+ umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
+
+ for ( ;; ) {
+
+ rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1);
+
+ if (rc == NGX_OK) {
+
+ /* a header line has been parsed successfully */
+
+ h = ngx_list_push(&r->upstream->headers_in.headers);
+ if (h == NULL) {
+ return NGX_ERROR;
+ }
+
+ h->hash = r->header_hash;
+
+ h->key.len = r->header_name_end - r->header_name_start;
+ h->value.len = r->header_end - r->header_start;
+
+ h->key.data = ngx_pnalloc(r->pool,
+ h->key.len + 1 + h->value.len + 1 + h->key.len);
+ if (h->key.data == NULL) {
+ return NGX_ERROR;
+ }
+
+ h->value.data = h->key.data + h->key.len + 1;
+ h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
+
+ ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
+ ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
+
+ if (h->key.len == r->lowcase_index) {
+ ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
+
+ } else {
+ ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
+ }
+
+ hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
+ h->lowcase_key, h->key.len);
+
+ if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
+ return NGX_ERROR;
+ }
+
+ ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+ "http proxy header: \"%V: %V\"",
+ &h->key, &h->value);
+
+ continue;
+ }
+
+ if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
+
+ /* a whole header has been parsed successfully */
+
+ ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+ "http proxy header done");
+
+ /*
+ * if no "Server" and "Date" in header line,
+ * then add the special empty headers
+ */
+
+ if (r->upstream->headers_in.server == NULL) {
+ h = ngx_list_push(&r->upstream->headers_in.headers);
+ if (h == NULL) {
+ return NGX_ERROR;
+ }
+
+ h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash(
+ ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r');
+
+ ngx_str_set(&h->key, "Server");
+ ngx_str_null(&h->value);
+ h->lowcase_key = (u_char *) "server";
+ }
+
+ if (r->upstream->headers_in.date == NULL) {
+ h = ngx_list_push(&r->upstream->headers_in.headers);
+ if (h == NULL) {
+ return NGX_ERROR;
+ }
+
+ h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e');
+
+ ngx_str_set(&h->key, "Date");
+ ngx_str_null(&h->value);
+ h->lowcase_key = (u_char *) "date";
+ }
+
+ return NGX_OK;
+ }
+
+ if (rc == NGX_AGAIN) {
+ return NGX_AGAIN;
+ }
+
+ /* there was error while a header line parsing */
+
+ ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+ "upstream sent invalid header");
+
+ return NGX_HTTP_UPSTREAM_INVALID_HEADER;
+ }
+}
+
+
+static void
+ngx_http_proxy_abort_request(ngx_http_request_t *r)
+{
+ ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+ "abort http proxy request");
+
+ return;
+}
+
+
+static void
+ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
+{
+ ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+ "finalize http proxy request");
+
+ return;
+}
+
+
+static ngx_int_t
+ngx_http_proxy_host_variable(ngx_http_request_t *r,
+ ngx_http_variable_value_t *v, uintptr_t data)
+{
+ ngx_http_proxy_ctx_t *ctx;
+
+ ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
+
+ if (ctx == NULL) {
+ v->not_found = 1;
+ return NGX_OK;
+ }
+
+ v->len = ctx->vars.host_header.len;
+ v->valid = 1;
+ v->no_cacheable = 0;
+ v->not_found = 0;
+ v->data = ctx->vars.host_header.data;
+
+ return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_http_proxy_port_variable(ngx_http_request_t *r,
+ ngx_http_variable_value_t *v, uintptr_t data)
+{
+ ngx_http_proxy_ctx_t *ctx;
+
+ ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
+
+ if (ctx == NULL) {
+ v->not_found = 1;
+ return NGX_OK;
+ }
+
+ v->len = ctx->vars.port.len;
+ v->valid = 1;
+ v->no_cacheable = 0;
+ v->not_found = 0;
+ v->data = ctx->vars.port.data;
+
+ return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
+ ngx_http_variable_value_t *v, uintptr_t data)
+{
+ u_char *p;
+
+ v->valid = 1;
+ v->no_cacheable = 0;
+ v->not_found = 0;
+
+ if (r->headers_in.x_forwarded_for == NULL) {
+ v->len = r->connection->addr_text.len;
+ v->data = r->connection->addr_text.data;
+ return NGX_OK;
+ }
+
+ v->len = r->headers_in.x_forwarded_for->value.len
+ + sizeof(", ") - 1 + r->connection->addr_text.len;
+
+ p = ngx_pnalloc(r->pool, v->len);
+ if (p == NULL) {
+ return NGX_ERROR;
+ }
+
+ v->data = p;
+
+ p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
+ r->headers_in.x_forwarded_for->value.len);
+
+ *p++ = ','; *p++ = ' ';
+
+ ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
+
+ return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
+ ngx_http_variable_value_t *v, uintptr_t data)
+{
+ ngx_http_proxy_ctx_t *ctx;
+
+ ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
+
+ if (ctx == NULL) {
+ v->not_found = 1;
+ return NGX_OK;
+ }
+
+ v->valid = 1;
+ v->no_cacheable = 0;
+ v->not_found = 0;
+
+ v->data = ngx_pnalloc(r->connection->pool, NGX_SIZE_T_LEN);
+
+ if (v->data == NULL) {
+ return NGX_ERROR;
+ }
+
+ v->len = ngx_sprintf(v->data, "%uz", ctx->internal_body_length) - v->data;
+
+ return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
+ size_t prefix)
+{
+ ngx_int_t rc;
+ ngx_uint_t i;
+ ngx_http_proxy_loc_conf_t *plcf;
+ ngx_http_proxy_redirect_t *pr;
+
+ plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
+
+ pr = plcf->redirects->elts;
+
+ if (pr == NULL) {
+ return NGX_DECLINED;
+ }
+
+ for (i = 0; i < plcf->redirects->nelts; i++) {
+ rc = pr[i].handler(r, h, prefix, &pr[i]);
+
+ if (rc != NGX_DECLINED) {
+ return rc;
+ }
+ }
+
+ return NGX_DECLINED;
+}
+
+
+static ngx_int_t
+ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
+ size_t prefix, ngx_http_proxy_redirect_t *pr)
+{
+ size_t len;
+ u_char *data, *p;
+
+ if (pr->redirect.len > h->value.len - prefix
+ || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
+ pr->redirect.len) != 0)
+ {
+ return NGX_DECLINED;
+ }
+
+ len = pr->replacement.text.len + h->value.len - pr->redirect.len;
+
+ data = ngx_pnalloc(r->pool, len);
+ if (data == NULL) {
+ return NGX_ERROR;
+ }
+
+ p = ngx_copy(data, h->value.data, prefix);
+
+ if (pr->replacement.text.len) {
+ p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len);
+ }
+
+ ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
+ h->value.len - pr->redirect.len - prefix);
+
+ h->value.len = len;
+ h->value.data = data;
+
+ return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h,
+ size_t prefix, ngx_http_proxy_redirect_t *pr)
+{
+ size_t len;
+ u_char *data, *p;
+ ngx_http_script_code_pt code;
+ ngx_http_script_engine_t e;
+ ngx_http_script_len_code_pt lcode;
+
+ if (pr->redirect.len > h->value.len - prefix
+ || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
+ pr->redirect.len) != 0)
+ {
+ return NGX_DECLINED;
+ }
+
+ ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
+
+ e.ip = pr->replacement.vars.lengths;
+ e.request = r;
+
+ len = h->value.len - pr->redirect.len;
+
+ while (*(uintptr_t *) e.ip) {
+ lcode = *(ngx_http_script_len_code_pt *) e.ip;
+ len += lcode(&e);
+ }
+
+ data = ngx_pnalloc(r->pool, len);
+ if (data == NULL) {
+ return NGX_ERROR;
+ }
+
+ p = ngx_copy(data, h->value.data, prefix);
+
+ e.ip = pr->replacement.vars.values;
+ e.pos = p;
+
+ while (*(uintptr_t *) e.ip) {
+ code = *(ngx_http_script_code_pt *) e.ip;
+ code(&e);
+ }
+
+ ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len,
+ h->value.len - pr->redirect.len - prefix);
+
+ h->value.len = len;
+ h->value.data = data;
+
+ return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_http_proxy_add_variables(ngx_conf_t *cf)
+{
+ ngx_http_variable_t *var, *v;
+
+ for (v = ngx_http_proxy_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_proxy_create_loc_conf(ngx_conf_t *cf)
+{
+ ngx_http_proxy_loc_conf_t *conf;
+
+ conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
+ if (conf == NULL) {
+ return NULL;
+ }
+
+ /*
+ * set by ngx_pcalloc():
+ *
+ * conf->upstream.bufs.num = 0;
+ * conf->upstream.ignore_headers = 0;
+ * conf->upstream.next_upstream = 0;
+ * conf->upstream.cache_use_stale = 0;
+ * conf->upstream.cache_methods = 0;
+ * conf->upstream.temp_path = NULL;
+ * conf->upstream.hide_headers_hash = { NULL, 0 };
+ * conf->upstream.uri = { 0, NULL };
+ * conf->upstream.location = NULL;
+ * conf->upstream.store_lengths = NULL;
+ * conf->upstream.store_values = NULL;
+ *
+ * conf->method = NULL;
+ * conf->headers_source = NULL;
+ * conf->headers_set_len = NULL;
+ * conf->headers_set = NULL;
+ * conf->headers_set_hash = NULL;
+ * conf->body_set_len = NULL;
+ * conf->body_set = NULL;
+ * conf->body_source = { 0, NULL };
+ * conf->redirects = NULL;
+ */
+
+ conf->upstream.store = NGX_CONF_UNSET;
+ conf->upstream.store_access = NGX_CONF_UNSET_UINT;
+ conf->upstream.buffering = NGX_CONF_UNSET;
+ conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
+
+ conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
+ conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
+ conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
+
+ conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
+ conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
+
+ conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
+ conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
+ conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
+
+ conf->upstream.pass_request_headers = NGX_CONF_UNSET;
+ conf->upstream.pass_request_body = NGX_CONF_UNSET;
+
+#if (NGX_HTTP_CACHE)
+ conf->upstream.cache = NGX_CONF_UNSET_PTR;
+ conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT;
+ conf->upstream.cache_bypass = NGX_CONF_UNSET_PTR;
+ conf->upstream.no_cache = NGX_CONF_UNSET_PTR;
+ conf->upstream.cache_valid = NGX_CONF_UNSET_PTR;
+#endif
+
+ conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
+ conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
+
+ conf->upstream.intercept_errors = NGX_CONF_UNSET;
+#if (NGX_HTTP_SSL)
+ conf->upstream.ssl_session_reuse = NGX_CONF_UNSET;
+#endif
+
+ /* "proxy_cyclic_temp_file" is disabled */
+ conf->upstream.cyclic_temp_file = 0;
+
+ conf->redirect = NGX_CONF_UNSET;
+ conf->upstream.change_buffering = 1;
+
+ conf->headers_hash_max_size = NGX_CONF_UNSET_UINT;
+ conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT;
+
+ return conf;
+}
+
+
+static char *
+ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
+{
+ ngx_http_proxy_loc_conf_t *prev = parent;
+ ngx_http_proxy_loc_conf_t *conf = child;
+
+ size_t size;
+ ngx_keyval_t *s;
+ ngx_hash_init_t hash;
+ ngx_http_core_loc_conf_t *clcf;
+ ngx_http_proxy_redirect_t *pr;
+ ngx_http_script_compile_t sc;
+
+ if (conf->upstream.store != 0) {
+ ngx_conf_merge_value(conf->upstream.store,
+ prev->upstream.store, 0);
+
+ if (conf->upstream.store_lengths == NULL) {
+ conf->upstream.store_lengths = prev->upstream.store_lengths;
+ conf->upstream.store_values = prev->upstream.store_values;
+ }
+ }
+
+ ngx_conf_merge_uint_value(conf->upstream.store_access,
+ prev->upstream.store_access, 0600);
+
+ ngx_conf_merge_value(conf->upstream.buffering,
+ prev->upstream.buffering, 1);
+
+ ngx_conf_merge_value(conf->upstream.ignore_client_abort,
+ prev->upstream.ignore_client_abort, 0);
+
+ ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
+ prev->upstream.connect_timeout, 60000);
+
+ ngx_conf_merge_msec_value(conf->upstream.send_timeout,
+ prev->upstream.send_timeout, 60000);
+
+ ngx_conf_merge_msec_value(conf->upstream.read_timeout,
+ prev->upstream.read_timeout, 60000);
+
+ ngx_conf_merge_size_value(conf->upstream.send_lowat,
+ prev->upstream.send_lowat, 0);
+
+ ngx_conf_merge_size_value(conf->upstream.buffer_size,
+ prev->upstream.buffer_size,
+ (size_t) ngx_pagesize);
+
+ ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
+ 8, ngx_pagesize);
+
+ if (conf->upstream.bufs.num < 2) {
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+ "there must be at least 2 \"proxy_buffers\"");
+ return NGX_CONF_ERROR;
+ }
+
+
+ size = conf->upstream.buffer_size;
+ if (size < conf->upstream.bufs.size) {
+ size = conf->upstream.bufs.size;
+ }
+
+
+ ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
+ prev->upstream.busy_buffers_size_conf,
+ NGX_CONF_UNSET_SIZE);
+
+ if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
+ conf->upstream.busy_buffers_size = 2 * size;
+ } else {
+ conf->upstream.busy_buffers_size =
+ conf->upstream.busy_buffers_size_conf;
+ }
+
+ if (conf->upstream.busy_buffers_size < size) {
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+ "\"proxy_busy_buffers_size\" must be equal or bigger than "
+ "maximum of the value of \"proxy_buffer_size\" and "
+ "one of the \"proxy_buffers\"");
+
+ return NGX_CONF_ERROR;
+ }
+
+ if (conf->upstream.busy_buffers_size
+ > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
+ {
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+ "\"proxy_busy_buffers_size\" must be less than "
+ "the size of all \"proxy_buffers\" minus one buffer");
+
+ return NGX_CONF_ERROR;
+ }
+
+
+ ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
+ prev->upstream.temp_file_write_size_conf,
+ NGX_CONF_UNSET_SIZE);
+
+ if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
+ conf->upstream.temp_file_write_size = 2 * size;
+ } else {
+ conf->upstream.temp_file_write_size =
+ conf->upstream.temp_file_write_size_conf;
+ }
+
+ if (conf->upstream.temp_file_write_size < size) {
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+ "\"proxy_temp_file_write_size\" must be equal or bigger than "
+ "maximum of the value of \"proxy_buffer_size\" and "
+ "one of the \"proxy_buffers\"");
+
+ return NGX_CONF_ERROR;
+ }
+
+ ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
+ prev->upstream.max_temp_file_size_conf,
+ NGX_CONF_UNSET_SIZE);
+
+ if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
+ conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
+ } else {
+ conf->upstream.max_temp_file_size =
+ conf->upstream.max_temp_file_size_conf;
+ }
+
+ if (conf->upstream.max_temp_file_size != 0
+ && conf->upstream.max_temp_file_size < size)
+ {
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+ "\"proxy_max_temp_file_size\" must be equal to zero to disable "
+ "the temporary files usage or must be equal or bigger than "
+ "maximum of the value of \"proxy_buffer_size\" and "
+ "one of the \"proxy_buffers\"");
+
+ return NGX_CONF_ERROR;
+ }
+
+
+ ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers,
+ prev->upstream.ignore_headers,
+ NGX_CONF_BITMASK_SET);
+
+
+ ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
+ prev->upstream.next_upstream,
+ (NGX_CONF_BITMASK_SET
+ |NGX_HTTP_UPSTREAM_FT_ERROR
+ |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
+
+ if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
+ conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
+ |NGX_HTTP_UPSTREAM_FT_OFF;
+ }
+
+ if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path,
+ prev->upstream.temp_path,
+ &ngx_http_proxy_temp_path)
+ != NGX_OK)
+ {
+ return NGX_CONF_ERROR;
+ }
+
+
+#if (NGX_HTTP_CACHE)
+
+ ngx_conf_merge_ptr_value(conf->upstream.cache,
+ prev->upstream.cache, NULL);
+
+ if (conf->upstream.cache && conf->upstream.cache->data == NULL) {
+ ngx_shm_zone_t *shm_zone;
+
+ shm_zone = conf->upstream.cache;
+
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+ "\"proxy_cache\" zone \"%V\" is unknown",
+ &shm_zone->shm.name);
+
+ return NGX_CONF_ERROR;
+ }
+
+ ngx_conf_merge_uint_value(conf->upstream.cache_min_uses,
+ prev->upstream.cache_min_uses, 1);
+
+ ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale,
+ prev->upstream.cache_use_stale,
+ (NGX_CONF_BITMASK_SET
+ |NGX_HTTP_UPSTREAM_FT_OFF));
+
+ if (conf->upstream.cache_methods == 0) {
+ conf->upstream.cache_methods = prev->upstream.cache_methods;
+ }
+
+ conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD;
+
+ if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) {
+ conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET
+ |NGX_HTTP_UPSTREAM_FT_OFF;
+ }
+
+ ngx_conf_merge_ptr_value(conf->upstream.cache_bypass,
+ prev->upstream.cache_bypass, NULL);
+
+ ngx_conf_merge_ptr_value(conf->upstream.no_cache,
+ prev->upstream.no_cache, NULL);
+
+ if (conf->upstream.no_cache && conf->upstream.cache_bypass == NULL) {
+ ngx_log_error(NGX_LOG_WARN, cf->log, 0,
+ "\"proxy_no_cache\" functionality has been changed in 0.8.46, "
+ "now it should be used together with \"proxy_cache_bypass\"");
+ }
+
+ ngx_conf_merge_ptr_value(conf->upstream.cache_valid,
+ prev->upstream.cache_valid, NULL);
+
+ if (conf->cache_key.value.data == NULL) {
+ conf->cache_key = prev->cache_key;
+ }
+
+#endif
+
+ if (conf->method.len == 0) {
+ conf->method = prev->method;
+
+ } else {
+ conf->method.data[conf->method.len] = ' ';
+ conf->method.len++;
+ }
+
+ ngx_conf_merge_value(conf->upstream.pass_request_headers,
+ prev->upstream.pass_request_headers, 1);
+ ngx_conf_merge_value(conf->upstream.pass_request_body,
+ prev->upstream.pass_request_body, 1);
+
+ ngx_conf_merge_value(conf->upstream.intercept_errors,
+ prev->upstream.intercept_errors, 0);
+
+#if (NGX_HTTP_SSL)
+ ngx_conf_merge_value(conf->upstream.ssl_session_reuse,
+ prev->upstream.ssl_session_reuse, 1);
+#endif
+
+ ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
+
+ if (conf->redirect) {
+
+ if (conf->redirects == NULL) {
+ conf->redirects = prev->redirects;
+ }
+
+ if (conf->redirects == NULL && conf->url.data) {
+
+ conf->redirects = ngx_array_create(cf->pool, 1,
+ sizeof(ngx_http_proxy_redirect_t));
+ if (conf->redirects == NULL) {
+ return NGX_CONF_ERROR;
+ }
+
+ pr = ngx_array_push(conf->redirects);
+ if (pr == NULL) {
+ return NGX_CONF_ERROR;
+ }
+
+ pr->handler = ngx_http_proxy_rewrite_redirect_text;
+ pr->redirect = conf->url;
+
+ if (conf->vars.uri.len) {
+ pr->replacement.text = conf->location;
+
+ } else {
+ ngx_str_null(&pr->replacement.text);
+ }
+ }
+ }
+
+#if (NGX_HTTP_SSL)
+ if (conf->upstream.ssl == NULL) {
+ conf->upstream.ssl = prev->upstream.ssl;
+ }
+#endif
+
+ ngx_conf_merge_uint_value(conf->headers_hash_max_size,
+ prev->headers_hash_max_size, 512);
+
+ ngx_conf_merge_uint_value(conf->headers_hash_bucket_size,
+ prev->headers_hash_bucket_size, 64);
+
+ conf->headers_hash_bucket_size = ngx_align(conf->headers_hash_bucket_size,
+ ngx_cacheline_size);
+
+ hash.max_size = conf->headers_hash_max_size;
+ hash.bucket_size = conf->headers_hash_bucket_size;
+ hash.name = "proxy_headers_hash";
+
+ if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
+ &prev->upstream, ngx_http_proxy_hide_headers, &hash)
+ != NGX_OK)
+ {
+ return NGX_CONF_ERROR;
+ }
+
+ if (conf->upstream.upstream == NULL) {
+ conf->upstream.upstream = prev->upstream.upstream;
+ conf->vars = prev->vars;
+ }
+
+ if (conf->proxy_lengths == NULL) {
+ conf->proxy_lengths = prev->proxy_lengths;
+ conf->proxy_values = prev->proxy_values;
+ }
+
+ if (conf->upstream.upstream || conf->proxy_lengths) {
+ clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
+ if (clcf->handler == NULL && clcf->lmt_excpt) {
+ clcf->handler = ngx_http_proxy_handler;
+ conf->location = prev->location;
+ }
+ }
+
+ if (conf->body_source.data == NULL) {
+ conf->body_source = prev->body_source;
+ conf->body_set_len = prev->body_set_len;
+ conf->body_set = prev->body_set;
+ }
+
+ if (conf->body_source.data && conf->body_set_len == NULL) {
+
+ ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
+
+ sc.cf = cf;
+ sc.source = &conf->body_source;
+ sc.flushes = &conf->flushes;
+ sc.lengths = &conf->body_set_len;
+ sc.values = &conf->body_set;
+ sc.complete_lengths = 1;
+ sc.complete_values = 1;
+
+ if (ngx_http_script_compile(&sc) != NGX_OK) {
+ return NGX_CONF_ERROR;
+ }
+
+ if (conf->headers_source == NULL) {
+ conf->headers_source = ngx_array_create(cf->pool, 4,
+ sizeof(ngx_keyval_t));
+ if (conf->headers_source == NULL) {
+ return NGX_CONF_ERROR;
+ }
+ }
+
+ s = ngx_array_push(conf->headers_source);
+ if (s == NULL) {
+ return NGX_CONF_ERROR;
+ }
+
+ ngx_str_set(&s->key, "Content-Length");
+ ngx_str_set(&s->value, "$proxy_internal_body_length");
+ }
+
+ if (ngx_http_proxy_merge_headers(cf, conf, prev) != NGX_OK) {
+ return NGX_CONF_ERROR;
+ }
+
+ return NGX_CONF_OK;
+}
+
+
+static ngx_int_t
+ngx_http_proxy_merge_headers(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *conf,
+ ngx_http_proxy_loc_conf_t *prev)
+{
+ u_char *p;
+ size_t size;
+ uintptr_t *code;
+ ngx_uint_t i;
+ ngx_array_t headers_names;
+ ngx_keyval_t *src, *s, *h;
+ ngx_hash_key_t *hk;
+ ngx_hash_init_t hash;
+ ngx_http_script_compile_t sc;
+ ngx_http_script_copy_code_t *copy;
+
+ if (conf->headers_source == NULL) {
+ conf->flushes = prev->flushes;
+ conf->headers_set_len = prev->headers_set_len;
+ conf->headers_set = prev->headers_set;
+ conf->headers_set_hash = prev->headers_set_hash;
+ conf->headers_source = prev->headers_source;
+ }
+
+ if (conf->headers_set_hash.buckets
+#if (NGX_HTTP_CACHE)
+ && ((conf->upstream.cache == NULL) == (prev->upstream.cache == NULL))
+#endif
+ )
+ {
+ return NGX_OK;
+ }
+
+
+ if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
+ != NGX_OK)
+ {
+ return NGX_ERROR;
+ }
+
+ if (conf->headers_source == NULL) {
+ conf->headers_source = ngx_array_create(cf->pool, 4,
+ sizeof(ngx_keyval_t));
+ if (conf->headers_source == NULL) {
+ return NGX_ERROR;
+ }
+ }
+
+ conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
+ if (conf->headers_set_len == NULL) {
+ return NGX_ERROR;
+ }
+
+ conf->headers_set = ngx_array_create(cf->pool, 512, 1);
+ if (conf->headers_set == NULL) {
+ return NGX_ERROR;
+ }
+
+
+ src = conf->headers_source->elts;
+
+#if (NGX_HTTP_CACHE)
+
+ h = conf->upstream.cache ? ngx_http_proxy_cache_headers:
+ ngx_http_proxy_headers;
+#else
+
+ h = ngx_http_proxy_headers;
+
+#endif
+
+ while (h->key.len) {
+
+ for (i = 0; i < conf->headers_source->nelts; i++) {
+ if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
+ goto next;
+ }
+ }
+
+ s = ngx_array_push(conf->headers_source);
+ if (s == NULL) {
+ return NGX_ERROR;
+ }
+
+ *s = *h;
+
+ src = conf->headers_source->elts;
+
+ next:
+
+ h++;
+ }
+
+
+ src = conf->headers_source->elts;
+ for (i = 0; i < conf->headers_source->nelts; i++) {
+
+ hk = ngx_array_push(&headers_names);
+ if (hk == NULL) {
+ return NGX_ERROR;
+ }
+
+ hk->key = src[i].key;
+ hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len);
+ hk->value = (void *) 1;
+
+ if (src[i].value.len == 0) {
+ continue;
+ }
+
+ if (ngx_http_script_variables_count(&src[i].value) == 0) {
+ copy = ngx_array_push_n(conf->headers_set_len,
+ sizeof(ngx_http_script_copy_code_t));
+ if (copy == NULL) {
+ return NGX_ERROR;
+ }
+
+ copy->code = (ngx_http_script_code_pt)
+ ngx_http_script_copy_len_code;
+ copy->len = src[i].key.len + sizeof(": ") - 1
+ + src[i].value.len + sizeof(CRLF) - 1;
+
+
+ size = (sizeof(ngx_http_script_copy_code_t)
+ + src[i].key.len + sizeof(": ") - 1
+ + src[i].value.len + sizeof(CRLF) - 1
+ + sizeof(uintptr_t) - 1)
+ & ~(sizeof(uintptr_t) - 1);
+
+ copy = ngx_array_push_n(conf->headers_set, size);
+ if (copy == NULL) {
+ return NGX_ERROR;
+ }
+
+ copy->code = ngx_http_script_copy_code;
+ copy->len = src[i].key.len + sizeof(": ") - 1
+ + src[i].value.len + sizeof(CRLF) - 1;
+
+ p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
+
+ p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
+ *p++ = ':'; *p++ = ' ';
+ p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
+ *p++ = CR; *p = LF;
+
+ } else {
+ copy = ngx_array_push_n(conf->headers_set_len,
+ sizeof(ngx_http_script_copy_code_t));
+ if (copy == NULL) {
+ return NGX_ERROR;
+ }
+
+ copy->code = (ngx_http_script_code_pt)
+ ngx_http_script_copy_len_code;
+ copy->len = src[i].key.len + sizeof(": ") - 1;
+
+
+ size = (sizeof(ngx_http_script_copy_code_t)
+ + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
+ & ~(sizeof(uintptr_t) - 1);
+
+ copy = ngx_array_push_n(conf->headers_set, size);
+ if (copy == NULL) {
+ return NGX_ERROR;
+ }
+
+ copy->code = ngx_http_script_copy_code;
+ copy->len = src[i].key.len + sizeof(": ") - 1;
+
+ p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
+ p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
+ *p++ = ':'; *p = ' ';
+
+
+ ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
+
+ sc.cf = cf;
+ sc.source = &src[i].value;
+ sc.flushes = &conf->flushes;
+ sc.lengths = &conf->headers_set_len;
+ sc.values = &conf->headers_set;
+
+ if (ngx_http_script_compile(&sc) != NGX_OK) {
+ return NGX_ERROR;
+ }
+
+
+ copy = ngx_array_push_n(conf->headers_set_len,
+ sizeof(ngx_http_script_copy_code_t));
+ if (copy == NULL) {
+ return NGX_ERROR;
+ }
+
+ copy->code = (ngx_http_script_code_pt)
+ ngx_http_script_copy_len_code;
+ copy->len = sizeof(CRLF) - 1;
+
+
+ size = (sizeof(ngx_http_script_copy_code_t)
+ + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
+ & ~(sizeof(uintptr_t) - 1);
+
+ copy = ngx_array_push_n(conf->headers_set, size);
+ if (copy == NULL) {
+ return NGX_ERROR;
+ }
+
+ copy->code = ngx_http_script_copy_code;
+ copy->len = sizeof(CRLF) - 1;
+
+ p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
+ *p++ = CR; *p = LF;
+ }
+
+ code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
+ if (code == NULL) {
+ return NGX_ERROR;
+ }
+
+ *code = (uintptr_t) NULL;
+
+ code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
+ if (code == NULL) {
+ return NGX_ERROR;
+ }
+
+ *code = (uintptr_t) NULL;
+ }
+
+ code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
+ if (code == NULL) {
+ return NGX_ERROR;
+ }
+
+ *code = (uintptr_t) NULL;
+
+
+ hash.hash = &conf->headers_set_hash;
+ hash.key = ngx_hash_key_lc;
+ hash.max_size = conf->headers_hash_max_size;
+ hash.bucket_size = conf->headers_hash_bucket_size;
+ hash.name = "proxy_headers_hash";
+ hash.pool = cf->pool;
+ hash.temp_pool = NULL;
+
+ return ngx_hash_init(&hash, headers_names.elts, headers_names.nelts);
+}
+
+
+static char *
+ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
+{
+ ngx_http_proxy_loc_conf_t *plcf = conf;
+
+ size_t add;
+ u_short port;
+ ngx_str_t *value, *url;
+ ngx_url_t u;
+ ngx_uint_t n;
+ ngx_http_core_loc_conf_t *clcf;
+ ngx_http_script_compile_t sc;
+
+ if (plcf->upstream.upstream || plcf->proxy_lengths) {
+ return "is duplicate";
+ }
+
+ clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
+
+ clcf->handler = ngx_http_proxy_handler;
+
+ if (clcf->name.data[clcf->name.len - 1] == '/') {
+ clcf->auto_redirect = 1;
+ }
+
+ value = cf->args->elts;
+
+ url = &value[1];
+
+ n = ngx_http_script_variables_count(url);
+
+ if (n) {
+
+ ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
+
+ sc.cf = cf;
+ sc.source = url;
+ sc.lengths = &plcf->proxy_lengths;
+ sc.values = &plcf->proxy_values;
+ sc.variables = n;
+ sc.complete_lengths = 1;
+ sc.complete_values = 1;
+
+ if (ngx_http_script_compile(&sc) != NGX_OK) {
+ return NGX_CONF_ERROR;
+ }
+
+#if (NGX_HTTP_SSL)
+ if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
+ return NGX_CONF_ERROR;
+ }
+#endif
+
+ return NGX_CONF_OK;
+ }
+
+ if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) {
+ add = 7;
+ port = 80;
+
+ } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) {
+
+#if (NGX_HTTP_SSL)
+ if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
+ return NGX_CONF_ERROR;
+ }
+
+ add = 8;
+ port = 443;
+#else
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+ "https protocol requires SSL support");
+ return NGX_CONF_ERROR;
+#endif
+
+ } else {
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
+ return NGX_CONF_ERROR;
+ }
+
+ ngx_memzero(&u, sizeof(ngx_url_t));
+
+ u.url.len = url->len - add;
+ u.url.data = url->data + add;
+ u.default_port = port;
+ u.uri_part = 1;
+ u.no_resolve = 1;
+
+ plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
+ if (plcf->upstream.upstream == NULL) {
+ return NGX_CONF_ERROR;
+ }
+
+ plcf->vars.schema.len = add;
+ plcf->vars.schema.data = url->data;
+ plcf->vars.key_start = plcf->vars.schema;
+
+ ngx_http_proxy_set_vars(&u, &plcf->vars);
+
+ plcf->location = clcf->name;
+
+ if (clcf->named
+#if (NGX_PCRE)
+ || clcf->regex
+#endif
+ || clcf->noname)
+ {
+ if (plcf->vars.uri.len) {
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+ "\"proxy_pass\" may not have URI part in "
+ "location given by regular expression, "
+ "or inside named location, "
+ "or inside the \"if\" statement, "
+ "or inside the \"limit_except\" block");
+ return NGX_CONF_ERROR;
+ }
+
+ plcf->location.len = 0;
+ }
+
+ plcf->url = *url;
+
+ return NGX_CONF_OK;
+}
+
+
+static char *
+ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
+{
+ ngx_http_proxy_loc_conf_t *plcf = conf;
+
+ ngx_str_t *value;
+ ngx_array_t *vars_lengths, *vars_values;
+ ngx_http_script_compile_t sc;
+ ngx_http_proxy_redirect_t *pr;
+
+ if (plcf->redirect == 0) {
+ return NGX_CONF_OK;
+ }
+
+ value = cf->args->elts;
+
+ if (cf->args->nelts == 2) {
+ if (ngx_strcmp(value[1].data, "off") == 0) {
+ plcf->redirect = 0;
+ plcf->redirects = NULL;
+ return NGX_CONF_OK;
+ }
+
+ if (ngx_strcmp(value[1].data, "false") == 0) {
+ ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
+ "invalid parameter \"false\", use \"off\" instead");
+ plcf->redirect = 0;
+ plcf->redirects = NULL;
+ return NGX_CONF_OK;
+ }
+
+ if (ngx_strcmp(value[1].data, "default") != 0) {
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+ "invalid parameter \"%V\"", &value[1]);
+ return NGX_CONF_ERROR;
+ }
+ }
+
+ if (plcf->redirects == NULL) {
+ plcf->redirects = ngx_array_create(cf->pool, 1,
+ sizeof(ngx_http_proxy_redirect_t));
+ if (plcf->redirects == NULL) {
+ return NGX_CONF_ERROR;
+ }
+ }
+
+ pr = ngx_array_push(plcf->redirects);
+ if (pr == NULL) {
+ return NGX_CONF_ERROR;
+ }
+
+ if (ngx_strcmp(value[1].data, "default") == 0) {
+ if (plcf->proxy_lengths) {
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+ "\"proxy_redirect default\" may not be used "
+ "with \"proxy_pass\" directive with variables");
+ return NGX_CONF_ERROR;
+ }
+
+ if (plcf->url.data == NULL) {
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+ "\"proxy_redirect default\" must go "
+ "after the \"proxy_pass\" directive");
+ return NGX_CONF_ERROR;
+ }
+
+ pr->handler = ngx_http_proxy_rewrite_redirect_text;
+ pr->redirect = plcf->url;
+
+ if (plcf->vars.uri.len) {
+ pr->replacement.text = plcf->location;
+
+ } else {
+ ngx_str_null(&pr->replacement.text);
+ }
+
+ return NGX_CONF_OK;
+ }
+
+ if (ngx_http_script_variables_count(&value[2]) == 0) {
+ pr->handler = ngx_http_proxy_rewrite_redirect_text;
+ pr->redirect = value[1];
+ pr->replacement.text = value[2];
+
+ return NGX_CONF_OK;
+ }
+
+ ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
+
+ vars_lengths = NULL;
+ vars_values = NULL;
+
+ sc.cf = cf;
+ sc.source = &value[2];
+ sc.lengths = &vars_lengths;
+ sc.values = &vars_values;
+ sc.complete_lengths = 1;
+ sc.complete_values = 1;
+
+ if (ngx_http_script_compile(&sc) != NGX_OK) {
+ return NGX_CONF_ERROR;
+ }
+
+ pr->handler = ngx_http_proxy_rewrite_redirect_vars;
+ pr->redirect = value[1];
+ pr->replacement.vars.lengths = vars_lengths->elts;
+ pr->replacement.vars.values = vars_values->elts;
+
+ return NGX_CONF_OK;
+}
+
+
+static char *
+ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
+{
+ ngx_http_proxy_loc_conf_t *plcf = conf;
+
+ ngx_str_t *value;
+ ngx_http_script_compile_t sc;
+
+ if (plcf->upstream.store != NGX_CONF_UNSET
+ || plcf->upstream.store_lengths)
+ {
+ return "is duplicate";
+ }
+
+ value = cf->args->elts;
+
+ if (ngx_strcmp(value[1].data, "off") == 0) {
+ plcf->upstream.store = 0;
+ return NGX_CONF_OK;
+ }
+
+#if (NGX_HTTP_CACHE)
+
+ if (plcf->upstream.cache != NGX_CONF_UNSET_PTR
+ && plcf->upstream.cache != NULL)
+ {
+ return "is incompatible with \"proxy_cache\"";
+ }
+
+#endif
+
+ if (ngx_strcmp(value[1].data, "on") == 0) {
+ plcf->upstream.store = 1;
+ return NGX_CONF_OK;
+ }
+
+ /* include the terminating '\0' into script */
+ value[1].len++;
+
+ ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
+
+ sc.cf = cf;
+ sc.source = &value[1];
+ sc.lengths = &plcf->upstream.store_lengths;
+ sc.values = &plcf->upstream.store_values;
+ sc.variables = ngx_http_script_variables_count(&value[1]);
+ sc.complete_lengths = 1;
+ sc.complete_values = 1;
+
+ if (ngx_http_script_compile(&sc) != NGX_OK) {
+ return NGX_CONF_ERROR;
+ }
+
+ return NGX_CONF_OK;
+}
+
+
+#if (NGX_HTTP_CACHE)
+
+static char *
+ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
+{
+ ngx_http_proxy_loc_conf_t *plcf = conf;
+
+ ngx_str_t *value;
+
+ value = cf->args->elts;
+
+ if (plcf->upstream.cache != NGX_CONF_UNSET_PTR) {
+ return "is duplicate";
+ }
+
+ if (ngx_strcmp(value[1].data, "off") == 0) {
+ plcf->upstream.cache = NULL;
+ return NGX_CONF_OK;
+ }
+
+ if (plcf->upstream.store > 0 || plcf->upstream.store_lengths) {
+ return "is incompatible with \"proxy_store\"";
+ }
+
+ plcf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0,
+ &ngx_http_proxy_module);
+ if (plcf->upstream.cache == NULL) {
+ return NGX_CONF_ERROR;
+ }
+
+ return NGX_CONF_OK;
+}
+
+
+static char *
+ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
+{
+ ngx_http_proxy_loc_conf_t *plcf = conf;
+
+ ngx_str_t *value;
+ ngx_http_compile_complex_value_t ccv;
+
+ value = cf->args->elts;
+
+ if (plcf->cache_key.value.len) {
+ return "is duplicate";
+ }
+
+ ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
+
+ ccv.cf = cf;
+ ccv.value = &value[1];
+ ccv.complex_value = &plcf->cache_key;
+
+ if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
+ return NGX_CONF_ERROR;
+ }
+
+ return NGX_CONF_OK;
+}
+
+#endif
+
+
+static char *
+ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
+{
+#if (NGX_FREEBSD)
+ ssize_t *np = data;
+
+ if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) {
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+ "\"proxy_send_lowat\" must be less than %d "
+ "(sysctl net.inet.tcp.sendspace)",
+ ngx_freebsd_net_inet_tcp_sendspace);
+
+ return NGX_CONF_ERROR;
+ }
+
+#elif !(NGX_HAVE_SO_SNDLOWAT)
+ ssize_t *np = data;
+
+ ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
+ "\"proxy_send_lowat\" is not supported, ignored");
+
+ *np = 0;
+
+#endif
+
+ return NGX_CONF_OK;
+}
+
+
+#if (NGX_HTTP_SSL)
+
+static ngx_int_t
+ngx_http_proxy_set_ssl(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *plcf)
+{
+ ngx_pool_cleanup_t *cln;
+
+ plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
+ if (plcf->upstream.ssl == NULL) {
+ return NGX_ERROR;
+ }
+
+ plcf->upstream.ssl->log = cf->log;
+
+ if (ngx_ssl_create(plcf->upstream.ssl,
+ NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL)
+ != NGX_OK)
+ {
+ return NGX_ERROR;
+ }
+
+ cln = ngx_pool_cleanup_add(cf->pool, 0);
+ if (cln == NULL) {
+ return NGX_ERROR;
+ }
+
+ cln->handler = ngx_ssl_cleanup_ctx;
+ cln->data = plcf->upstream.ssl;
+
+ return NGX_OK;
+}
+
+#endif
+
+
+static void
+ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v)
+{
+ if (u->family != AF_UNIX) {
+
+ if (u->no_port || u->port == u->default_port) {
+
+ v->host_header = u->host;
+
+ if (u->default_port == 80) {
+ ngx_str_set(&v->port, "80");
+
+ } else {
+ ngx_str_set(&v->port, "443");
+ }
+
+ } else {
+ v->host_header.len = u->host.len + 1 + u->port_text.len;
+ v->host_header.data = u->host.data;
+ v->port = u->port_text;
+ }
+
+ v->key_start.len += v->host_header.len;
+
+ } else {
+ ngx_str_set(&v->host_header, "localhost");
+ ngx_str_null(&v->port);
+ v->key_start.len += sizeof("unix:") - 1 + u->host.len + 1;
+ }
+
+ v->uri = u->uri;
+}
diff -uNr ../nginx-0.8.55/src/http/ngx_http_upstream.h src/http/ngx_http_upstream.h
--- ../nginx-0.8.55/src/http/ngx_http_upstream.h 2010-07-19 02:36:04.000000000 -0700
+++ src/http/ngx_http_upstream.h 2011-09-13 15:27:08.000000000 -0700
@@ -177,6 +177,9 @@
#if (NGX_HTTP_SSL)
ngx_ssl_t *ssl;
ngx_flag_t ssl_session_reuse;
+ ngx_uint_t ssl_verify;
+ ngx_uint_t ssl_verify_depth;
+ ngx_str_t ssl_ca_certificate;
#endif
} ngx_http_upstream_conf_t;
diff -uNr ../nginx-0.8.55/src/http/ngx_http_upstream.h.orig src/http/ngx_http_upstream.h.orig
--- ../nginx-0.8.55/src/http/ngx_http_upstream.h.orig 1969-12-31 16:00:00.000000000 -0800
+++ src/http/ngx_http_upstream.h.orig 2010-07-19 02:36:04.000000000 -0700
@@ -0,0 +1,345 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ */
+
+
+#ifndef _NGX_HTTP_UPSTREAM_H_INCLUDED_
+#define _NGX_HTTP_UPSTREAM_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+#include <ngx_event.h>
+#include <ngx_event_connect.h>
+#include <ngx_event_pipe.h>
+#include <ngx_http.h>
+
+
+#define NGX_HTTP_UPSTREAM_FT_ERROR 0x00000002
+#define NGX_HTTP_UPSTREAM_FT_TIMEOUT 0x00000004
+#define NGX_HTTP_UPSTREAM_FT_INVALID_HEADER 0x00000008
+#define NGX_HTTP_UPSTREAM_FT_HTTP_500 0x00000010
+#define NGX_HTTP_UPSTREAM_FT_HTTP_502 0x00000020
+#define NGX_HTTP_UPSTREAM_FT_HTTP_503 0x00000040
+#define NGX_HTTP_UPSTREAM_FT_HTTP_504 0x00000080
+#define NGX_HTTP_UPSTREAM_FT_HTTP_404 0x00000100
+#define NGX_HTTP_UPSTREAM_FT_UPDATING 0x00000200
+#define NGX_HTTP_UPSTREAM_FT_BUSY_LOCK 0x00000400
+#define NGX_HTTP_UPSTREAM_FT_MAX_WAITING 0x00000800
+#define NGX_HTTP_UPSTREAM_FT_NOLIVE 0x40000000
+#define NGX_HTTP_UPSTREAM_FT_OFF 0x80000000
+
+#define NGX_HTTP_UPSTREAM_FT_STATUS (NGX_HTTP_UPSTREAM_FT_HTTP_500 \
+ |NGX_HTTP_UPSTREAM_FT_HTTP_502 \
+ |NGX_HTTP_UPSTREAM_FT_HTTP_503 \
+ |NGX_HTTP_UPSTREAM_FT_HTTP_504 \
+ |NGX_HTTP_UPSTREAM_FT_HTTP_404)
+
+#define NGX_HTTP_UPSTREAM_INVALID_HEADER 40
+
+
+#define NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT 0x00000002
+#define NGX_HTTP_UPSTREAM_IGN_XA_EXPIRES 0x00000004
+#define NGX_HTTP_UPSTREAM_IGN_EXPIRES 0x00000008
+#define NGX_HTTP_UPSTREAM_IGN_CACHE_CONTROL 0x00000010
+#define NGX_HTTP_UPSTREAM_IGN_SET_COOKIE 0x00000020
+
+
+typedef struct {
+ ngx_msec_t bl_time;
+ ngx_uint_t bl_state;
+
+ ngx_uint_t status;
+ time_t response_sec;
+ ngx_uint_t response_msec;
+ off_t response_length;
+
+ ngx_str_t *peer;
+} ngx_http_upstream_state_t;
+
+
+typedef struct {
+ ngx_hash_t headers_in_hash;
+ ngx_array_t upstreams;
+ /* ngx_http_upstream_srv_conf_t */
+} ngx_http_upstream_main_conf_t;
+
+typedef struct ngx_http_upstream_srv_conf_s ngx_http_upstream_srv_conf_t;
+
+typedef ngx_int_t (*ngx_http_upstream_init_pt)(ngx_conf_t *cf,
+ ngx_http_upstream_srv_conf_t *us);
+typedef ngx_int_t (*ngx_http_upstream_init_peer_pt)(ngx_http_request_t *r,
+ ngx_http_upstream_srv_conf_t *us);
+
+
+typedef struct {
+ ngx_http_upstream_init_pt init_upstream;
+ ngx_http_upstream_init_peer_pt init;
+ void *data;
+} ngx_http_upstream_peer_t;
+
+
+typedef struct {
+ ngx_addr_t *addrs;
+ ngx_uint_t naddrs;
+ ngx_uint_t weight;
+ ngx_uint_t max_fails;
+ time_t fail_timeout;
+
+ unsigned down:1;
+ unsigned backup:1;
+} ngx_http_upstream_server_t;
+
+
+#define NGX_HTTP_UPSTREAM_CREATE 0x0001
+#define NGX_HTTP_UPSTREAM_WEIGHT 0x0002
+#define NGX_HTTP_UPSTREAM_MAX_FAILS 0x0004
+#define NGX_HTTP_UPSTREAM_FAIL_TIMEOUT 0x0008
+#define NGX_HTTP_UPSTREAM_DOWN 0x0010
+#define NGX_HTTP_UPSTREAM_BACKUP 0x0020
+
+
+struct ngx_http_upstream_srv_conf_s {
+ ngx_http_upstream_peer_t peer;
+ void **srv_conf;
+
+ ngx_array_t *servers; /* ngx_http_upstream_server_t */
+
+ ngx_uint_t flags;
+ ngx_str_t host;
+ u_char *file_name;
+ ngx_uint_t line;
+ in_port_t port;
+ in_port_t default_port;
+};
+
+
+typedef struct {
+ ngx_http_upstream_srv_conf_t *upstream;
+
+ ngx_msec_t connect_timeout;
+ ngx_msec_t send_timeout;
+ ngx_msec_t read_timeout;
+ ngx_msec_t timeout;
+
+ size_t send_lowat;
+ size_t buffer_size;
+
+ size_t busy_buffers_size;
+ size_t max_temp_file_size;
+ size_t temp_file_write_size;
+
+ size_t busy_buffers_size_conf;
+ size_t max_temp_file_size_conf;
+ size_t temp_file_write_size_conf;
+
+ ngx_bufs_t bufs;
+
+ ngx_uint_t ignore_headers;
+ ngx_uint_t next_upstream;
+ ngx_uint_t store_access;
+ ngx_flag_t buffering;
+ ngx_flag_t pass_request_headers;
+ ngx_flag_t pass_request_body;
+
+ ngx_flag_t ignore_client_abort;
+ ngx_flag_t intercept_errors;
+ ngx_flag_t cyclic_temp_file;
+
+ ngx_path_t *temp_path;
+
+ ngx_hash_t hide_headers_hash;
+ ngx_array_t *hide_headers;
+ ngx_array_t *pass_headers;
+
+ ngx_addr_t *local;
+
+#if (NGX_HTTP_CACHE)
+ ngx_shm_zone_t *cache;
+
+ ngx_uint_t cache_min_uses;
+ ngx_uint_t cache_use_stale;
+ ngx_uint_t cache_methods;
+
+ ngx_array_t *cache_valid;
+ ngx_array_t *cache_bypass;
+ ngx_array_t *no_cache;
+#endif
+
+ ngx_array_t *store_lengths;
+ ngx_array_t *store_values;
+
+ signed store:2;
+ unsigned intercept_404:1;
+ unsigned change_buffering:1;
+
+#if (NGX_HTTP_SSL)
+ ngx_ssl_t *ssl;
+ ngx_flag_t ssl_session_reuse;
+#endif
+
+} ngx_http_upstream_conf_t;
+
+
+typedef struct {
+ ngx_str_t name;
+ ngx_http_header_handler_pt handler;
+ ngx_uint_t offset;
+ ngx_http_header_handler_pt copy_handler;
+ ngx_uint_t conf;
+ ngx_uint_t redirect; /* unsigned redirect:1; */
+} ngx_http_upstream_header_t;
+
+
+typedef struct {
+ ngx_list_t headers;
+
+ ngx_uint_t status_n;
+ ngx_str_t status_line;
+
+ ngx_table_elt_t *status;
+ ngx_table_elt_t *date;
+ ngx_table_elt_t *server;
+ ngx_table_elt_t *connection;
+
+ ngx_table_elt_t *expires;
+ ngx_table_elt_t *etag;
+ ngx_table_elt_t *x_accel_expires;
+ ngx_table_elt_t *x_accel_redirect;
+ ngx_table_elt_t *x_accel_limit_rate;
+
+ ngx_table_elt_t *content_type;
+ ngx_table_elt_t *content_length;
+
+ ngx_table_elt_t *last_modified;
+ ngx_table_elt_t *location;
+ ngx_table_elt_t *accept_ranges;
+ ngx_table_elt_t *www_authenticate;
+
+#if (NGX_HTTP_GZIP)
+ ngx_table_elt_t *content_encoding;
+#endif
+
+ off_t content_length_n;
+
+ ngx_array_t cache_control;
+} ngx_http_upstream_headers_in_t;
+
+
+typedef struct {
+ ngx_str_t host;
+ in_port_t port;
+ ngx_uint_t no_port; /* unsigned no_port:1 */
+
+ ngx_uint_t naddrs;
+ in_addr_t *addrs;
+
+ struct sockaddr *sockaddr;
+ socklen_t socklen;
+
+ ngx_resolver_ctx_t *ctx;
+} ngx_http_upstream_resolved_t;
+
+
+typedef void (*ngx_http_upstream_handler_pt)(ngx_http_request_t *r,
+ ngx_http_upstream_t *u);
+
+
+struct ngx_http_upstream_s {
+ ngx_http_upstream_handler_pt read_event_handler;
+ ngx_http_upstream_handler_pt write_event_handler;
+
+ ngx_peer_connection_t peer;
+
+ ngx_event_pipe_t *pipe;
+
+ ngx_chain_t *request_bufs;
+
+ ngx_output_chain_ctx_t output;
+ ngx_chain_writer_ctx_t writer;
+
+ ngx_http_upstream_conf_t *conf;
+
+ ngx_http_upstream_headers_in_t headers_in;
+
+ ngx_http_upstream_resolved_t *resolved;
+
+ ngx_buf_t buffer;
+ size_t length;
+
+ ngx_chain_t *out_bufs;
+ ngx_chain_t *busy_bufs;
+ ngx_chain_t *free_bufs;
+
+ ngx_int_t (*input_filter_init)(void *data);
+ ngx_int_t (*input_filter)(void *data, ssize_t bytes);
+ void *input_filter_ctx;
+
+#if (NGX_HTTP_CACHE)
+ ngx_int_t (*create_key)(ngx_http_request_t *r);
+#endif
+ ngx_int_t (*create_request)(ngx_http_request_t *r);
+ ngx_int_t (*reinit_request)(ngx_http_request_t *r);
+ ngx_int_t (*process_header)(ngx_http_request_t *r);
+ void (*abort_request)(ngx_http_request_t *r);
+ void (*finalize_request)(ngx_http_request_t *r,
+ ngx_int_t rc);
+ ngx_int_t (*rewrite_redirect)(ngx_http_request_t *r,
+ ngx_table_elt_t *h, size_t prefix);
+
+ ngx_msec_t timeout;
+
+ ngx_http_upstream_state_t *state;
+
+ ngx_str_t method;
+ ngx_str_t schema;
+ ngx_str_t uri;
+
+ ngx_http_cleanup_pt *cleanup;
+
+ unsigned store:1;
+ unsigned cacheable:1;
+ unsigned accel:1;
+ unsigned ssl:1;
+#if (NGX_HTTP_CACHE)
+ unsigned cache_status:3;
+#endif
+
+ unsigned buffering:1;
+
+ unsigned request_sent:1;
+ unsigned header_sent:1;
+};
+
+
+typedef struct {
+ ngx_uint_t status;
+ ngx_uint_t mask;
+} ngx_http_upstream_next_t;
+
+
+ngx_int_t ngx_http_upstream_header_variable(ngx_http_request_t *r,
+ ngx_http_variable_value_t *v, uintptr_t data);
+
+ngx_int_t ngx_http_upstream_create(ngx_http_request_t *r);
+void ngx_http_upstream_init(ngx_http_request_t *r);
+ngx_http_upstream_srv_conf_t *ngx_http_upstream_add(ngx_conf_t *cf,
+ ngx_url_t *u, ngx_uint_t flags);
+char *ngx_http_upstream_bind_set_slot(ngx_conf_t *cf, ngx_command_t *cmd,
+ void *conf);
+ngx_int_t ngx_http_upstream_hide_headers_hash(ngx_conf_t *cf,
+ ngx_http_upstream_conf_t *conf, ngx_http_upstream_conf_t *prev,
+ ngx_str_t *default_hide_headers, ngx_hash_init_t *hash);
+
+
+#define ngx_http_conf_upstream_srv_conf(uscf, module) \
+ uscf->srv_conf[module.ctx_index]
+
+
+extern ngx_module_t ngx_http_upstream_module;
+extern ngx_conf_bitmask_t ngx_http_upstream_cache_method_mask[];
+extern ngx_conf_bitmask_t ngx_http_upstream_ignore_headers_masks[];
+
+
+#endif /* _NGX_HTTP_UPSTREAM_H_INCLUDED_ */
Change History (3)
by , 14 years ago
| Attachment: | proxy_ssl_verify-0.7.67.2.patch added |
|---|
by , 14 years ago
| Attachment: | proxy_ssl_verify_0.8.55.patch added |
|---|
by , 14 years ago
| Attachment: | proxy_ssl_verify-0.7.67.patch added |
|---|
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