X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fuhttpd.git;a=blobdiff_plain;f=cgi.c;h=0ffb1308c6141b5339a9fa41ac8f64c55f15266b;hp=62be0a376f77c6c3f31478c74377744a6379f27a;hb=HEAD;hpb=f9dad9ffdd41c00d1fc7420f2f55983c7f6df8bc;ds=sidebyside

diff --git a/cgi.c b/cgi.c
index 62be0a3..0ffb130 100644
--- a/cgi.c
+++ b/cgi.c
@@ -17,6 +17,7 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#define _GNU_SOURCE
 #include <libubox/blobmsg.h>
 #include "uhttpd.h"
 
@@ -51,12 +52,12 @@ static void cgi_main(struct client *cl, struct path_info *pi, char *url)
 		setenv(var->name, var->value, 1);
 	}
 
-	chdir(pi->root);
-
-	if (ip)
-		execl(ip->path, ip->path, pi->phys, NULL);
-	else
-		execl(pi->phys, pi->phys, NULL);
+	if (!chdir(pi->root)) {
+		if (ip)
+			execl(ip->path, ip->path, pi->phys, NULL);
+		else
+			execl(pi->phys, pi->phys, NULL);
+	}
 
 	printf("Status: 500 Internal Server Error\r\n\r\n"
 	       "Unable to launch the requested CGI program:\n"
@@ -103,7 +104,11 @@ static bool check_cgi_path(struct path_info *pi, const char *url)
 	}
 
 	pi->ip = NULL;
-	return uh_path_match(conf.cgi_docroot_path, pi->phys);
+
+	if (conf.cgi_docroot_path)
+		return uh_path_match(conf.cgi_docroot_path, pi->phys);
+
+	return false;
 }
 
 struct dispatch_handler cgi_dispatch = {