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openssh-portable
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- stevesk@cvs.openbsd.org 2002/09/11 18:27:26 

[authfd.c authfd.h ssh.c]
     don't connect to agent to test for presence if we've previously
     connected; ok markus@
This commit is contained in:
Damien Miller 2002-09-12 09:52:46 +10:00
parent b5fdfaae13
commit 789e95dbe9
4 changed files with 28 additions and 8 deletions
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6
ChangeLog
View File

@ -18,6 +18,10 @@
- stevesk@cvs.openbsd.org 2002/09/11 17:55:03
[ssh.1]
add agent and X11 forwarding warning text from ssh_config.5; ok markus@
- stevesk@cvs.openbsd.org 2002/09/11 18:27:26
[authfd.c authfd.h ssh.c]
don't connect to agent to test for presence if we've previously
connected; ok markus@
20020911
- (djm) Sync openbsd-compat with OpenBSD -current
@ -1638,4 +1642,4 @@
- (stevesk) entropy.c: typo in debug message
- (djm) ssh-keygen -i needs seeded RNG; report from markus@
$Id: ChangeLog,v 1.2456 2002/09/11 23:52:03 djm Exp $
$Id: ChangeLog,v 1.2457 2002/09/11 23:52:46 djm Exp $

20
authfd.c
View File

@ -35,7 +35,7 @@
*/
#include "includes.h"
RCSID("$OpenBSD: authfd.c,v 1.56 2002/06/25 16:22:42 markus Exp $");
RCSID("$OpenBSD: authfd.c,v 1.57 2002/09/11 18:27:26 stevesk Exp $");
#include <openssl/evp.h>
@ -53,6 +53,8 @@ RCSID("$OpenBSD: authfd.c,v 1.56 2002/06/25 16:22:42 markus Exp $");
#include "log.h"
#include "atomicio.h"
static int agent_present = 0;
/* helper */
int decode_reply(int type);
@ -61,6 +63,21 @@ int decode_reply(int type);
((x == SSH_AGENT_FAILURE) || (x == SSH_COM_AGENT2_FAILURE) || \
(x == SSH2_AGENT_FAILURE))
int
ssh_agent_present(void)
{
int authfd;
if (agent_present)
return 1;
if ((authfd = ssh_get_authentication_socket()) == -1)
return 0;
else {
ssh_close_authentication_socket(authfd);
return 1;
}
}
/* Returns the number of the authentication fd, or -1 if there is none. */
int
@ -90,6 +107,7 @@ ssh_get_authentication_socket(void)
close(sock);
return -1;
}
agent_present = 1;
return sock;
}

3
authfd.h
View File

@ -1,4 +1,4 @@
/* $OpenBSD: authfd.h,v 1.30 2002/06/19 00:27:55 deraadt Exp $ */
/* $OpenBSD: authfd.h,v 1.31 2002/09/11 18:27:25 stevesk Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
@ -66,6 +66,7 @@ typedef struct {
int howmany;
} AuthenticationConnection;
int ssh_agent_present(void);
int ssh_get_authentication_socket(void);
void ssh_close_authentication_socket(int);

7
ssh.c
View File

@ -40,7 +40,7 @@
*/
#include "includes.h"
RCSID("$OpenBSD: ssh.c,v 1.184 2002/08/29 19:49:42 stevesk Exp $");
RCSID("$OpenBSD: ssh.c,v 1.185 2002/09/11 18:27:26 stevesk Exp $");
#include <openssl/evp.h>
#include <openssl/err.h>
@ -829,11 +829,8 @@ check_agent_present(void)
{
if (options.forward_agent) {
/* Clear agent forwarding if we don\'t have an agent. */
int authfd = ssh_get_authentication_socket();
if (authfd < 0)
if (!ssh_agent_present())
options.forward_agent = 0;
else
ssh_close_authentication_socket(authfd);
}
}