From: Ilia Alshanetsky <iliaa@php.net>
Date: Wed, 19 Feb 2003 00:49:31 +0000 (+0000)
Subject: Fixed bug #22283 (possible crash when opening relative URLs).
X-Git-Tag: RELEASE_0_5~887
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a6ef609a371e6dfeb4ca89c576f8c4037e4bf754;p=php

Fixed bug #22283 (possible crash when opening relative URLs).
---

diff --git a/ext/standard/http_fopen_wrapper.c b/ext/standard/http_fopen_wrapper.c
index 6ce5c96d43..e6da657882 100644
--- a/ext/standard/http_fopen_wrapper.c
+++ b/ext/standard/http_fopen_wrapper.c
@@ -348,8 +348,13 @@ php_stream *php_stream_url_wrap_http(php_stream_wrapper *wrapper, char *path, ch
 			*new_path='\0';
 			if (strlen(location)<8 || (strncasecmp(location, "http://", sizeof("http://")-1) && strncasecmp(location, "https://", sizeof("https://")-1))) {
 				if (*location != '/') {
-					if (*(location+1) != '\0') {				
-						php_dirname(resource->path, strlen(resource->path));
+					if (*(location+1) != '\0' && resource->path) {		
+						char *s = strrchr(resource->path, '/');
+						if (!s) {
+							s = resource->path;
+							*s = '/';
+						}
+						s[1] = '\0'; 
 						if (resource->path && *(resource->path) == '/' && *(resource->path + 1) == '\0') {
 							snprintf(loc_path, sizeof(loc_path) - 1, "%s%s", resource->path, location);
 						} else {