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Diffstat (limited to 'crypto/openssh/readpass.c')
-rw-r--r--crypto/openssh/readpass.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/crypto/openssh/readpass.c b/crypto/openssh/readpass.c
index 96b7e84..95ec5d8 100644
--- a/crypto/openssh/readpass.c
+++ b/crypto/openssh/readpass.c
@@ -23,7 +23,7 @@
*/
#include "includes.h"
-RCSID("$OpenBSD: readpass.c,v 1.27 2002/03/26 15:58:46 markus Exp $");
+RCSID("$OpenBSD: readpass.c,v 1.28 2003/01/23 13:50:27 markus Exp $");
#include "xmalloc.h"
#include "readpass.h"
@@ -46,11 +46,11 @@ ssh_askpass(char *askpass, const char *msg)
fatal("internal error: askpass undefined");
if (pipe(p) < 0) {
error("ssh_askpass: pipe: %s", strerror(errno));
- return xstrdup("");
+ return NULL;
}
if ((pid = fork()) < 0) {
error("ssh_askpass: fork: %s", strerror(errno));
- return xstrdup("");
+ return NULL;
}
if (pid == 0) {
seteuid(getuid());
@@ -79,6 +79,11 @@ ssh_askpass(char *askpass, const char *msg)
if (errno != EINTR)
break;
+ if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
+ memset(buf, 0, sizeof(buf));
+ return NULL;
+ }
+
buf[strcspn(buf, "\r\n")] = '\0';
pass = xstrdup(buf);
memset(buf, 0, sizeof(buf));
@@ -115,7 +120,10 @@ read_passphrase(const char *prompt, int flags)
askpass = getenv(SSH_ASKPASS_ENV);
else
askpass = _PATH_SSH_ASKPASS_DEFAULT;
- return ssh_askpass(askpass, prompt);
+ if ((ret = ssh_askpass(askpass, prompt)) == NULL)
+ if (!(flags & RP_ALLOW_EOF))
+ return xstrdup("");
+ return ret;
}
if (readpassphrase(prompt, buf, sizeof buf, rppflags) == NULL) {
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