Merge pull request #189 from chadwill/master

Nginx: fixbug, hijack `__recv_chk`.
2018-04-16 19:47:33 +08:00 · 2018-04-16 19:47:33 +08:00 · e35f03d569
parent 19a141c455 bc0822cf2e
commit e35f03d569
1 changed files with 10 additions and 0 deletions
--- a/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c
+++ b/app/nginx-1.11.10/src/event/modules/ngx_ff_module.c
@ -325,6 +325,16 @@ recv(int sockfd, void *buf, size_t len, int flags)
    return SYSCALL(recv)(sockfd, buf, len, flags);
 }

+ssize_t
+__recv_chk (int fd, void *buf, size_t n, size_t buflen, int flags)
+{
+/*
+  if (n > buflen)
+    __chk_fail ();
+*/
+  return recv (fd, buf, n, flags);
+}
+
 int
 listen(int sockfd, int backlog)
 {