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- OpenBSD CVS Sync

Browse Source 
- djm@cvs.openbsd.org 2011/03/10 02:52:57
     [auth2-gss.c auth2.c]
     allow GSSAPI authentication to detect when a server-side failure causes
     authentication failure and don't count such failures against MaxAuthTries;
     bz#1244 from simon AT sxw.org.uk; ok markus@ before lock
This commit is contained in:
Damien Miller 2011-05-05 14:04:11 +10:00
parent f22019bdbf
commit 3fcdfd55a3
3 changed files with 13 additions and 3 deletions
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6
ChangeLog
View File

@ -8,6 +8,12 @@
[regress/README.regress] Remove ssh-rand-helper and all its
tentacles. PRNGd seeding has been rolled into entropy.c directly.
Thanks to tim@ for testing on affected platforms.
- OpenBSD CVS Sync
- djm@cvs.openbsd.org 2011/03/10 02:52:57
[auth2-gss.c auth2.c]
allow GSSAPI authentication to detect when a server-side failure causes
authentication failure and don't count such failures against MaxAuthTries;
bz#1244 from simon AT sxw.org.uk; ok markus@ before lock
20110221
- (dtucker) [contrib/cygwin/ssh-host-config] From Corinna: revamp of the

4
auth2-gss.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: auth2-gss.c,v 1.16 2007/10/29 00:52:45 dtucker Exp $ */
/* $OpenBSD: auth2-gss.c,v 1.17 2011/03/10 02:52:57 djm Exp $ */
/*
* Copyright (c) 2001-2003 Simon Wilkinson. All rights reserved.
@ -102,6 +102,7 @@ userauth_gssapi(Authctxt *authctxt)
if (!present) {
xfree(doid);
authctxt->server_caused_failure = 1;
return (0);
}
@ -109,6 +110,7 @@ userauth_gssapi(Authctxt *authctxt)
if (ctxt != NULL)
ssh_gssapi_delete_ctx(&ctxt);
xfree(doid);
authctxt->server_caused_failure = 1;
return (0);
}

6
auth2.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: auth2.c,v 1.122 2010/08/31 09:58:37 djm Exp $ */
/* $OpenBSD: auth2.c,v 1.123 2011/03/10 02:52:57 djm Exp $ */
/*
* Copyright (c) 2000 Markus Friedl. All rights reserved.
*
@ -274,6 +274,7 @@ input_userauth_request(int type, u_int32_t seq, void *ctxt)
#endif
authctxt->postponed = 0;
authctxt->server_caused_failure = 0;
/* try to authenticate user */
m = authmethod_lookup(method);
@ -346,7 +347,8 @@ userauth_finish(Authctxt *authctxt, int authenticated, char *method)
} else {
/* Allow initial try of "none" auth without failure penalty */
if (authctxt->attempt > 1 || strcmp(method, "none") != 0)
if (!authctxt->server_caused_failure &&
(authctxt->attempt > 1 || strcmp(method, "none") != 0))
authctxt->failures++;
if (authctxt->failures >= options.max_authtries) {
#ifdef SSH_AUDIT_EVENTS