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Code

lib: Check socket length in ctdbd_connect

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Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ronnie sahlberg <ronniesahlberg@gmail.com>
This commit is contained in:
Volker Lendecke 2014-08-19 09:20:49 +00:00
parent c9169a5e98
commit 131437e079
1 changed files with 9 additions and 1 deletions
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10
source3/lib/ctdbd_conn.c
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@ -214,6 +214,7 @@ static int ctdbd_connect(int *pfd)
struct sockaddr_un addr = { 0, };
int fd;
socklen_t salen;
size_t namelen;
fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (fd == -1) {
@ -223,7 +224,14 @@ static int ctdbd_connect(int *pfd)
}
addr.sun_family = AF_UNIX;
snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", sockname);
namelen = strlcpy(addr.sun_path, sockname, sizeof(addr.sun_path));
if (namelen >= sizeof(addr.sun_path)) {
DEBUG(3, ("%s: Socket name too long: %s\n", __func__,
sockname));
close(fd);
return ENAMETOOLONG;
}
salen = sizeof(struct sockaddr_un);