diff options
Diffstat (limited to 'libmilter/listener.c')
| -rw-r--r-- | libmilter/listener.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libmilter/listener.c b/libmilter/listener.c index b0a1362d46cd3..11d92bb09fdfe 100644 --- a/libmilter/listener.c +++ b/libmilter/listener.c @@ -728,6 +728,7 @@ mi_listener(conn, dbg, smfi, timeout, backlog) int acnt = 0; /* error count for accept() failures */ int scnt = 0; /* error count for select() failures */ int save_errno = 0; + int fdflags; #if !_FFR_WORKERS_POOL sthread_t thread_id; #endif /* !_FFR_WORKERS_POOL */ @@ -885,6 +886,20 @@ mi_listener(conn, dbg, smfi, timeout, backlog) } #endif /* _FFR_DUP_FD */ + /* + ** Need to set close-on-exec for connfd in case a user's + ** filter starts other applications. + ** Note: errors will not stop processing (for now). + */ + + if ((fdflags = fcntl(connfd, F_GETFD, 0)) == -1 || + fcntl(connfd, F_SETFD, fdflags | FD_CLOEXEC) == -1) + { + smi_log(SMI_LOG_ERR, + "%s: Unable to set close-on-exec: %s", + smfi->xxfi_name, sm_errstring(errno)); + } + if (setsockopt(connfd, SOL_SOCKET, SO_KEEPALIVE, (void *) &sockopt, sizeof sockopt) < 0) { |