diff options
Diffstat (limited to 'authfd.c')
| -rw-r--r-- | authfd.c | 28 |
1 files changed, 27 insertions, 1 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: authfd.c,v 1.116 2019/09/03 08:28:30 djm Exp $ */ +/* $OpenBSD: authfd.c,v 1.117 2019/09/03 08:29:15 djm Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland @@ -318,6 +318,32 @@ ssh_free_identitylist(struct ssh_identitylist *idl) } /* + * Check if the ssh agent has a given key. + * Returns 0 if found, or a negative SSH_ERR_* error code on failure. + */ +int +ssh_agent_has_key(int sock, struct sshkey *key) +{ + int r, ret = SSH_ERR_KEY_NOT_FOUND; + size_t i; + struct ssh_identitylist *idlist = NULL; + + if ((r = ssh_fetch_identitylist(sock, &idlist)) < 0) { + return r; + } + + for (i = 0; i < idlist->nkeys; i++) { + if (sshkey_equal_public(idlist->keys[i], key)) { + ret = 0; + break; + } + } + + ssh_free_identitylist(idlist); + return ret; +} + +/* * Sends a challenge (typically from a server via ssh(1)) to the agent, * and waits for a response from the agent. * Returns true (non-zero) if the agent gave the correct answer, zero |