diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sockopt.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/lib/sockopt.c b/lib/sockopt.c index 96324ffe..55c6226b 100644 --- a/lib/sockopt.c +++ b/lib/sockopt.c @@ -550,8 +550,8 @@ sockopt_tcp_signature (int sock, union sockunion *su, const char *password) if (su2->sa.sa_family == AF_INET) { sockunion_free (susock); - return -1; - }; + return 0; + } #ifdef HAVE_IPV6 /* If this does not work, then all users of this sockopt will need to @@ -580,7 +580,16 @@ sockopt_tcp_signature (int sock, union sockunion *su, const char *password) memcpy (md5sig.tcpm_key, password, keylen); sockunion_free (susock); #endif /* GNU_LINUX */ - ret = setsockopt (sock, IPPROTO_TCP, TCP_MD5SIG, &md5sig, sizeof md5sig); + if ((ret = setsockopt (sock, IPPROTO_TCP, TCP_MD5SIG, &md5sig, sizeof md5sig)) < 0) + { + /* ENOENT is harmless. It is returned when we clear a password for which + one was not previously set. */ + if (ENOENT == errno) + ret = 0; + else + zlog_err ("sockopt_tcp_signature: setsockopt(%d): %s", + sock, safe_strerror(errno)); + } return ret; #else /* HAVE_TCP_MD5SIG */ return -2; |