diff options
| author | djm@openbsd.org <djm@openbsd.org> | 2019-11-12 22:36:44 +0000 |
|---|---|---|
| committer | Damien Miller <djm@mindrot.org> | 2019-11-13 10:15:47 +1100 |
| commit | e44bb61824e36d0d181a08489c16c378c486a974 (patch) | |
| tree | 5993043d43eb51fe1f33d95466e01dc7bee751e2 /ssh-agent.c | |
| parent | 4671211068441519011ac0e38c588317f4157ba1 (diff) | |
| download | openssh-git-e44bb61824e36d0d181a08489c16c378c486a974.tar.gz | |
upstream: security keys typically need to be tapped/touched in
order to perform a signature operation. Notify the user when this is expected
via the TTY (if available) or $SSH_ASKPASS if we can.
ok markus@
OpenBSD-Commit-ID: 0ef90a99a85d4a2a07217a58efb4df8444818609
Diffstat (limited to 'ssh-agent.c')
| -rw-r--r-- | ssh-agent.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/ssh-agent.c b/ssh-agent.c index dd9f85ae..eb17b18b 100644 --- a/ssh-agent.c +++ b/ssh-agent.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ssh-agent.c,v 1.240 2019/11/12 19:33:08 markus Exp $ */ +/* $OpenBSD: ssh-agent.c,v 1.241 2019/11/12 22:36:44 djm Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland @@ -289,9 +289,10 @@ provider_sign(const char *provider, struct sshkey *key, { int status, pair[2], r = SSH_ERR_INTERNAL_ERROR; pid_t pid; - char *helper, *verbosity = NULL; + char *helper, *verbosity = NULL, *fp = NULL; struct sshbuf *kbuf, *req, *resp; u_char version; + struct notifier_ctx *notifier = NULL; debug3("%s: start for provider %s", __func__, provider); @@ -344,10 +345,17 @@ provider_sign(const char *provider, struct sshkey *key, error("%s: send: %s", __func__, ssh_err(r)); goto out; } + if ((fp = sshkey_fingerprint(key, SSH_FP_HASH_DEFAULT, + SSH_FP_DEFAULT)) == NULL) + fatal("%s: sshkey_fingerprint failed", __func__); + notifier = notify_start(0, + "Confirm user presence for key %s %s", sshkey_type(key), fp); if ((r = ssh_msg_recv(pair[0], resp)) != 0) { error("%s: receive: %s", __func__, ssh_err(r)); goto out; } + notify_complete(notifier); + notifier = NULL; if ((r = sshbuf_get_u8(resp, &version)) != 0) { error("%s: parse version: %s", __func__, ssh_err(r)); goto out; @@ -375,6 +383,7 @@ provider_sign(const char *provider, struct sshkey *key, if (errno != EINTR) fatal("%s: waitpid: %s", __func__, ssh_err(r)); } + notify_complete(notifier); if (!WIFEXITED(status)) { error("%s: helper %s exited abnormally", __func__, helper); if (r == 0) |