openssh/auth-skey.c
Damien Miller b0fb6872ed - deraadt@cvs.openbsd.org 2006/03/19 18:51:18
[atomicio.c auth-bsdauth.c auth-chall.c auth-krb5.c auth-options.c]
     [auth-pam.c auth-passwd.c auth-rh-rsa.c auth-rhosts.c auth-rsa.c]
     [auth-shadow.c auth-skey.c auth.c auth1.c auth2-chall.c]
     [auth2-hostbased.c auth2-kbdint.c auth2-none.c auth2-passwd.c]
     [auth2-pubkey.c auth2.c authfd.c authfile.c bufaux.c buffer.c]
     [canohost.c channels.c cipher-3des1.c cipher-acss.c cipher-aes.c]
     [cipher-bf1.c cipher-ctr.c cipher.c cleanup.c clientloop.c compat.c]
     [compress.c deattack.c dh.c dispatch.c dns.c entropy.c fatal.c]
     [groupaccess.c hostfile.c includes.h kex.c kexdh.c kexdhc.c]
     [kexdhs.c kexgex.c kexgexc.c kexgexs.c key.c log.c loginrec.c]
     [loginrec.h logintest.c mac.c match.c md-sha256.c md5crypt.c misc.c]
     [monitor.c monitor_fdpass.c monitor_mm.c monitor_wrap.c msg.c]
     [nchan.c packet.c progressmeter.c readconf.c readpass.c rsa.c]
     [scard.c scp.c servconf.c serverloop.c session.c sftp-client.c]
     [sftp-common.c sftp-glob.c sftp-server.c sftp.c ssh-add.c]
     [ssh-agent.c ssh-dss.c ssh-keygen.c ssh-keyscan.c ssh-keysign.c]
     [ssh-rand-helper.c ssh-rsa.c ssh.c sshconnect.c sshconnect1.c]
     [sshconnect2.c sshd.c sshlogin.c sshpty.c sshtty.c ttymodes.c]
     [uidswap.c uuencode.c xmalloc.c openbsd-compat/bsd-arc4random.c]
     [openbsd-compat/bsd-closefrom.c openbsd-compat/bsd-cygwin_util.c]
     [openbsd-compat/bsd-getpeereid.c openbsd-compat/bsd-misc.c]
     [openbsd-compat/bsd-nextstep.c openbsd-compat/bsd-snprintf.c]
     [openbsd-compat/bsd-waitpid.c openbsd-compat/fake-rfc2553.c]
     RCSID() can die
2006-03-26 00:03:21 +11:00

104 lines
2.7 KiB
C

/*
* Copyright (c) 2001 Markus Friedl. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "includes.h"
#ifdef SKEY
#include <skey.h>
#include "xmalloc.h"
#include "auth.h"
#include "monitor_wrap.h"
static void *
skey_init_ctx(Authctxt *authctxt)
{
return authctxt;
}
int
skey_query(void *ctx, char **name, char **infotxt,
u_int* numprompts, char ***prompts, u_int **echo_on)
{
Authctxt *authctxt = ctx;
char challenge[1024], *p;
int len;
struct skey skey;
if (_compat_skeychallenge(&skey, authctxt->user, challenge,
sizeof(challenge)) == -1)
return -1;
*name = xstrdup("");
*infotxt = xstrdup("");
*numprompts = 1;
*prompts = xmalloc(*numprompts * sizeof(char *));
*echo_on = xmalloc(*numprompts * sizeof(u_int));
(*echo_on)[0] = 0;
len = strlen(challenge) + strlen(SKEY_PROMPT) + 1;
p = xmalloc(len);
strlcpy(p, challenge, len);
strlcat(p, SKEY_PROMPT, len);
(*prompts)[0] = p;
return 0;
}
int
skey_respond(void *ctx, u_int numresponses, char **responses)
{
Authctxt *authctxt = ctx;
if (authctxt->valid &&
numresponses == 1 &&
skey_haskey(authctxt->pw->pw_name) == 0 &&
skey_passcheck(authctxt->pw->pw_name, responses[0]) != -1)
return 0;
return -1;
}
static void
skey_free_ctx(void *ctx)
{
/* we don't have a special context */
}
KbdintDevice skey_device = {
"skey",
skey_init_ctx,
skey_query,
skey_respond,
skey_free_ctx
};
KbdintDevice mm_skey_device = {
"skey",
skey_init_ctx,
mm_skey_query,
mm_skey_respond,
skey_free_ctx
};
#endif /* SKEY */