networking/httpd_ssi.c: new example CGI handler

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/networking/httpd_indexcgi.c b/networking/httpd_indexcgi.c
index 94c6a692a..2605ad1bc 100644
--- a/networking/httpd_indexcgi.c
+++ b/networking/httpd_indexcgi.c
@@ -28,7 +28,8 @@ httpd_indexcgi.c -o index.cgi
 /* We don't use printf, as it pulls in >12 kb of code from uclibc (i386). */
 /* Currently malloc machinery is the biggest part of libc we pull in. */
 /* We have only one realloc and one strdup, any idea how to do without? */
-/* Size (i386, approximate):
+
+/* Size (i386, static uclibc, approximate):
  *   text    data     bss     dec     hex filename
  *  13036      44    3052   16132    3f04 index.cgi
  *   2576       4    2048    4628    1214 index.cgi.o
@@ -210,7 +211,7 @@ static void fmt_04u(/*char *dst,*/ unsigned n)
         fmt_02u(n % 100);
 }
 
-int main(void)
+int main(int argc, char *argv[])
 {
         dir_list_t *dir_list;
         dir_list_t *cdir;
@@ -225,6 +226,7 @@ int main(void)
         QUERY_STRING = getenv("QUERY_STRING");
         if (!QUERY_STRING
          || QUERY_STRING[0] != '/'
+         || strstr(QUERY_STRING, "//")
          || strstr(QUERY_STRING, "/../")
          || strcmp(strrchr(QUERY_STRING, '/'), "/..") == 0
         ) {