summaryrefslogtreecommitdiffstats
path: root/readpass.c
diff options
context:
space:
mode:
authordjm@openbsd.org <djm@openbsd.org>2020-10-03 11:22:26 +0200
committerDamien Miller <djm@mindrot.org>2020-10-03 11:34:24 +0200
commit396d32f3a1a16e54df2a76b2a9b237868580dcbe (patch)
tree77019a916fcb969986a349aaede7409a25778b6a /readpass.c
parentupstream: enable UpdateHostkeys by default when the configuration (diff)
downloadopenssh-396d32f3a1a16e54df2a76b2a9b237868580dcbe.tar.xz
openssh-396d32f3a1a16e54df2a76b2a9b237868580dcbe.zip
upstream: There are lots of place where we want to redirect stdin,
stdout and/or stderr to /dev/null. Factor all these out to a single stdfd_devnull() function that allows selection of which of these to redirect. ok markus@ OpenBSD-Commit-ID: 3033ba5a4c47cacfd5def020d42cabc52fad3099
Diffstat (limited to 'readpass.c')
-rw-r--r--readpass.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/readpass.c b/readpass.c
index 122d2a87c..7e79f49e4 100644
--- a/readpass.c
+++ b/readpass.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: readpass.c,v 1.63 2020/08/11 09:45:54 djm Exp $ */
+/* $OpenBSD: readpass.c,v 1.64 2020/10/03 09:22:26 djm Exp $ */
/*
* Copyright (c) 2001 Markus Friedl. All rights reserved.
*
@@ -232,7 +232,6 @@ notify_start(int force_askpass, const char *fmt, ...)
{
va_list args;
char *prompt = NULL;
- int devnull;
pid_t pid;
void (*osigchld)(int);
const char *askpass, *s;
@@ -270,11 +269,8 @@ notify_start(int force_askpass, const char *fmt, ...)
return NULL;
}
if (pid == 0) {
- if ((devnull = open(_PATH_DEVNULL, O_RDWR)) == -1)
- fatal("%s: open %s", __func__, strerror(errno));
- if (dup2(devnull, STDIN_FILENO) == -1 ||
- dup2(devnull, STDOUT_FILENO) == -1)
- fatal("%s: dup2: %s", __func__, strerror(errno));
+ if (stdfd_devnull(1, 1, 0) == -1)
+ fatal("%s: stdfd_devnull failed", __func__);
closefrom(STDERR_FILENO + 1);
setenv("SSH_ASKPASS_PROMPT", "none", 1); /* hint to UI */
execlp(askpass, askpass, prompt, (char *)NULL);