From 13653be34e1674afd80cd18c55c385151537d0e3 Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Mon, 1 Feb 2010 14:04:20 +0000
Subject: [PATCH] merge r3039, r3145:

access_log fixes:

*) strict testing "access_log off"
*) allow to log invalid $request in access_log always,
   before it was logged only if error_log was set to info or debug level
---
 src/http/modules/ngx_http_log_module.c |  8 ++++-
 src/http/ngx_http_variables.c          | 41 ++++++++++++++++++++++++--
 2 files changed, 46 insertions(+), 3 deletions(-)

diff --git a/src/http/modules/ngx_http_log_module.c b/src/http/modules/ngx_http_log_module.c
index 1ff105821..e1d99c05a 100644
--- a/src/http/modules/ngx_http_log_module.c
+++ b/src/http/modules/ngx_http_log_module.c
@@ -837,7 +837,13 @@ ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
 
     if (ngx_strcmp(value[1].data, "off") == 0) {
         llcf->off = 1;
-        return NGX_CONF_OK;
+        if (cf->args->nelts == 2) {
+            return NGX_CONF_OK;
+        }
+
+        ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+                           "invalid parameter \"%V\"", &value[2]);
+        return NGX_CONF_ERROR;
     }
 
     if (llcf->logs == NULL) {
diff --git a/src/http/ngx_http_variables.c b/src/http/ngx_http_variables.c
index d41b996c6..b25e64889 100644
--- a/src/http/ngx_http_variables.c
+++ b/src/http/ngx_http_variables.c
@@ -25,6 +25,8 @@ static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r,
     ngx_http_variable_value_t *v, uintptr_t data);
 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r,
     ngx_http_variable_value_t *v, uintptr_t data);
+static ngx_int_t ngx_http_variable_request_line(ngx_http_request_t *r,
+    ngx_http_variable_value_t *v, uintptr_t data);
 static ngx_int_t ngx_http_variable_cookie(ngx_http_request_t *r,
     ngx_http_variable_value_t *v, uintptr_t data);
 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r,
@@ -164,8 +166,7 @@ static ngx_http_variable_t  ngx_http_core_variables[] = {
       offsetof(ngx_http_request_t, uri),
       NGX_HTTP_VAR_NOCACHEABLE, 0 },
 
-    { ngx_string("request"), NULL, ngx_http_variable_request,
-      offsetof(ngx_http_request_t, request_line), 0, 0 },
+    { ngx_string("request"), NULL, ngx_http_variable_request_line, 0, 0, 0 },
 
     { ngx_string("document_root"), NULL,
       ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 },
@@ -750,6 +751,42 @@ ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var,
 }
 
 
+static ngx_int_t
+ngx_http_variable_request_line(ngx_http_request_t *r,
+    ngx_http_variable_value_t *v, uintptr_t data)
+{
+    u_char  *p, *s;
+
+    s = r->request_line.data;
+
+    if (s == NULL) {
+        s = r->request_start;
+
+        if (s == NULL) {
+            v->not_found = 1;
+            return NGX_OK;
+        }
+
+        for (p = s; p < r->header_in->last; p++) {
+            if (*p == CR || *p == LF) {
+                break;
+            }
+        }
+
+        r->request_line.len = p - s;
+        r->request_line.data = s;
+    }
+
+    v->len = r->request_line.len;
+    v->valid = 1;
+    v->no_cacheable = 0;
+    v->not_found = 0;
+    v->data = s;
+
+    return NGX_OK;
+}
+
+
 static ngx_int_t
 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v,
     uintptr_t data)