upstream: save_errno wrappers inside two small signal handlers that

perform system calls, for systems with libc that do perform libc sigtramps.
ok djm markus

OpenBSD-Commit-ID: 7749b56419a7c9dcfe4c6c04811e429813346c62
This commit is contained in:
deraadt@openbsd.org 2024-06-26 23:14:14 +00:00 committed by Damien Miller
parent f23e9332c4
commit b8793e2b08
No known key found for this signature in database
2 changed files with 6 additions and 2 deletions

4
scp.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: scp.c,v 1.260 2023/10/11 05:42:08 djm Exp $ */
/* $OpenBSD: scp.c,v 1.261 2024/06/26 23:14:14 deraadt Exp $ */
/*
* scp - secure remote copy. This is basically patched BSD rcp which
* uses ssh to do the data transfer (instead of using rcmd).
@ -222,9 +222,11 @@ suspone(int pid, int signo)
static void
suspchild(int signo)
{
int save_errno = errno;
suspone(do_cmd_pid, signo);
suspone(do_cmd_pid2, signo);
kill(getpid(), SIGSTOP);
errno = save_errno;
}
static int

4
sftp.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: sftp.c,v 1.238 2024/04/30 06:16:55 djm Exp $ */
/* $OpenBSD: sftp.c,v 1.239 2024/06/26 23:14:14 deraadt Exp $ */
/*
* Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
*
@ -234,12 +234,14 @@ killchild(int signo)
static void
suspchild(int signo)
{
int save_errno = errno;
if (sshpid > 1) {
kill(sshpid, signo);
while (waitpid(sshpid, NULL, WUNTRACED) == -1 && errno == EINTR)
continue;
}
kill(getpid(), SIGSTOP);
errno = save_errno;
}
static void