1/* $OpenBSD: auth1.c,v 1.82 2014/07/15 15:54:14 millert Exp $ */
2/*
3 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
4 * All rights reserved
5 *
6 * As far as I am concerned, the code I have written for this software
7 * can be used freely for any purpose. Any derived versions of this
8 * software must be clearly marked as such, and if the derived work is

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38#include "channels.h"
39#include "session.h"
40#include "uidswap.h"
41#ifdef GSSAPI
42#include "ssh-gss.h"
43#endif
44#include "monitor_wrap.h"
45#include "buffer.h"
46#ifdef USE_BLACKLIST
47#include "blacklist_client.h"
48#endif
49
50/* import */
51extern ServerOptions options;
52extern Buffer loginmsg;
53
54static int auth1_process_password(Authctxt *);
55static int auth1_process_rsa(Authctxt *);
56static int auth1_process_rhosts_rsa(Authctxt *);

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335#endif
336
337#ifdef USE_PAM
338 if (options.use_pam && authenticated &&
339 !PRIVSEP(do_pam_account())) {
340 char *msg;
341 size_t len;
342
343#ifdef USE_BLACKLIST
344 blacklist_notify(1);
345#endif
346 error("Access denied for user %s by PAM account "
347 "configuration", authctxt->user);
348 len = buffer_len(&loginmsg);
349 buffer_append(&loginmsg, "\0", 1);
350 msg = buffer_ptr(&loginmsg);
351 /* strip trailing newlines */
352 if (len > 0)
353 while (len > 0 && msg[--len] == '\n')

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405 authctxt->style = style;
406
407 /* Verify that the user is a valid user. */
408 if ((authctxt->pw = PRIVSEP(getpwnamallow(user))) != NULL)
409 authctxt->valid = 1;
410 else {
411 debug("do_authentication: invalid user %s", user);
412 authctxt->pw = fakepw();
413#ifdef USE_BLACKLIST
414 blacklist_notify(1);
415#endif
416 }
417
418 /* Configuration may have changed as a result of Match */
419 if (options.num_auth_methods != 0)
420 fatal("AuthenticationMethods is not supported with SSH "
421 "protocol 1");
422
423 setproctitle("%s%s", authctxt->valid ? user : "unknown",

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