From: Joel Rosdahl <joel@rosdahl.net>
Date: Sat, 5 Jan 2013 15:47:04 +0000 (+0100)
Subject: Don't leak log file descriptor to executed commands
X-Git-Tag: v3.1.9~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6b6a109779033ffbb8ddab7cca6574f24c2e4bfb;p=thirdparty%2Fccache.git

Don't leak log file descriptor to executed commands
---

diff --git a/util.c b/util.c
index 66be67d73..3b472def2 100644
--- a/util.c
+++ b/util.c
@@ -48,6 +48,11 @@ init_log(void)
 	}
 	logfile = fopen(cache_logfile, "a");
 	if (logfile) {
+		int fd = fileno(logfile);
+		int flags = fcntl(fd, F_GETFD, 0);
+		if (flags >= 0) {
+			fcntl(fd, F_SETFD, flags | FD_CLOEXEC);
+		}
 		return true;
 	} else {
 		return false;