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- (djm) OpenBSD CVS Sync 

- djm@cvs.openbsd.org 2003/11/03 09:03:37
     [auth-chall.c]
     make this a little more idiot-proof; ok markus@
     (includes portable-specific changes)
This commit is contained in:
Damien Miller 2003-11-17 21:09:50 +11:00
parent 203c40b513
commit 3e8f41e6ac
2 changed files with 32 additions and 22 deletions
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10
ChangeLog
View File

@ -1,3 +1,11 @@
20031117
- (djm) OpenBSD CVS Sync
- djm@cvs.openbsd.org 2003/11/03 09:03:37
[auth-chall.c]
make this a little more idiot-proof; ok markus@
(includes portable-specific changes)
20031115 20031115
- (dtucker) [regress/agent-ptrace.sh] Test for GDB output from Solaris and - (dtucker) [regress/agent-ptrace.sh] Test for GDB output from Solaris and
HP-UX, skip test on AIX. HP-UX, skip test on AIX.
@ -1417,4 +1425,4 @@
- Fix sshd BindAddress and -b options for systems using fake-getaddrinfo. - Fix sshd BindAddress and -b options for systems using fake-getaddrinfo.
Report from murple@murple.net, diagnosis from dtucker@zip.com.au Report from murple@murple.net, diagnosis from dtucker@zip.com.au
$Id: ChangeLog,v 1.3097 2003/11/15 01:13:16 dtucker Exp $ $Id: ChangeLog,v 1.3098 2003/11/17 10:09:50 djm Exp $

44
auth-chall.c
View File

@ -23,7 +23,7 @@
*/ */
#include "includes.h" #include "includes.h"
RCSID("$OpenBSD: auth-chall.c,v 1.8 2001/05/18 14:13:28 markus Exp $"); RCSID("$OpenBSD: auth-chall.c,v 1.9 2003/11/03 09:03:37 djm Exp $");
#include "auth.h" #include "auth.h"
#include "log.h" #include "log.h"
@ -67,36 +67,38 @@ get_challenge(Authctxt *authctxt)
int int
verify_response(Authctxt *authctxt, const char *response) verify_response(Authctxt *authctxt, const char *response)
{ {
char *resp[1]; char *resp[1], *name, *info, **prompts;
int res; u_int i, numprompts, *echo_on;
int authenticated = 0;
if (device == NULL) if (device == NULL)
return 0; return 0;
if (authctxt->kbdintctxt == NULL) if (authctxt->kbdintctxt == NULL)
return 0; return 0;
resp[0] = (char *)response; resp[0] = (char *)response;
res = device->respond(authctxt->kbdintctxt, 1, resp); switch (device->respond(authctxt->kbdintctxt, 1, resp)) {
if (res == 1) { case 0: /* Success */
/* postponed - send a null query just in case */ authenticated = 1;
char *name, *info, **prompts; break;
u_int i, numprompts, *echo_on; case 1: /* Postponed - retry with empty query for PAM */
if ((device->query(authctxt->kbdintctxt, &name, &info,
&numprompts, &prompts, &echo_on)) != 0)
break;
if (numprompts == 0 &&
device->respond(authctxt->kbdintctxt, 0, resp) == 0)
authenticated = 1;
res = device->query(authctxt->kbdintctxt, &name, &info, for (i = 0; i < numprompts; i++)
&numprompts, &prompts, &echo_on); xfree(prompts[i]);
if (res == 0) { xfree(prompts);
for (i = 0; i < numprompts; i++) xfree(name);
xfree(prompts[i]); xfree(echo_on);
xfree(prompts); xfree(info);
xfree(name); break;
xfree(echo_on);
xfree(info);
}
/* if we received more prompts, we're screwed */
res = (res == 0 && numprompts == 0) ? 0 : -1;
} }
device->free_ctx(authctxt->kbdintctxt); device->free_ctx(authctxt->kbdintctxt);
authctxt->kbdintctxt = NULL; authctxt->kbdintctxt = NULL;
return res ? 0 : 1; return authenticated;
} }
void void
abandon_challenge_response(Authctxt *authctxt) abandon_challenge_response(Authctxt *authctxt)