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- markus@cvs.openbsd.org 2002/03/16 17:22:09 

[auth-rh-rsa.c auth.h]
     split auth_rhosts_rsa(), ok provos@
This commit is contained in:
Ben Lindstrom 2002-03-22 01:20:32 +00:00
parent ce398b2278
commit 186b7da2d7
3 changed files with 39 additions and 22 deletions
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5
ChangeLog
View File

@ -24,6 +24,9 @@
- markus@cvs.openbsd.org 2002/03/16 11:24:53
[compress.c]
skip inflateEnd if inflate fails; ok provos@
- markus@cvs.openbsd.org 2002/03/16 17:22:09
[auth-rh-rsa.c auth.h]
split auth_rhosts_rsa(), ok provos@
20020317
- (tim) [configure.ac] Assume path given with --with-pid-dir=PATH is wanted,
@ -7870,4 +7873,4 @@
- Wrote replacements for strlcpy and mkdtemp
- Released 1.0pre1
$Id: ChangeLog,v 1.1931 2002/03/22 01:17:52 mouring Exp $
$Id: ChangeLog,v 1.1932 2002/03/22 01:20:32 mouring Exp $

52
auth-rh-rsa.c
View File

@ -13,7 +13,7 @@
*/
#include "includes.h"
RCSID("$OpenBSD: auth-rh-rsa.c,v 1.30 2002/03/14 16:56:33 markus Exp $");
RCSID("$OpenBSD: auth-rh-rsa.c,v 1.31 2002/03/16 17:22:09 markus Exp $");
#include "packet.h"
#include "uidswap.h"
@ -25,37 +25,51 @@ RCSID("$OpenBSD: auth-rh-rsa.c,v 1.30 2002/03/14 16:56:33 markus Exp $");
#include "auth.h"
#include "canohost.h"
/* import */
extern ServerOptions options;
/*
* Tries to authenticate the user using the .rhosts file and the host using
* its host key. Returns true if authentication succeeds.
*/
int
auth_rhosts_rsa(struct passwd *pw, const char *client_user, Key *client_host_key)
auth_rhosts_rsa_key_allowed(struct passwd *pw, char *cuser, char *chost,
Key *client_host_key)
{
extern ServerOptions options;
const char *canonical_hostname;
HostStatus host_status;
debug("Trying rhosts with RSA host authentication for client user %.100s", client_user);
if (pw == NULL || client_host_key == NULL || client_host_key->rsa == NULL)
return 0;
/* Check if we would accept it using rhosts authentication. */
if (!auth_rhosts(pw, client_user))
if (!auth_rhosts(pw, cuser))
return 0;
canonical_hostname = get_canonical_hostname(
options.verify_reverse_mapping);
debug("Rhosts RSA authentication: canonical host %.900s", canonical_hostname);
host_status = check_key_in_hostfiles(pw, client_host_key,
canonical_hostname, _PATH_SSH_SYSTEM_HOSTFILE,
chost, _PATH_SSH_SYSTEM_HOSTFILE,
options.ignore_user_known_hosts ? NULL : _PATH_SSH_USER_HOSTFILE);
if (host_status != HOST_OK) {
return (host_status == HOST_OK);
}
/*
* Tries to authenticate the user using the .rhosts file and the host using
* its host key. Returns true if authentication succeeds.
*/
int
auth_rhosts_rsa(struct passwd *pw, char *cuser, Key *client_host_key)
{
char *chost;
debug("Trying rhosts with RSA host authentication for client user %.100s",
cuser);
if (pw == NULL || client_host_key == NULL ||
client_host_key->rsa == NULL)
return 0;
chost = (char *)get_canonical_hostname(options.verify_reverse_mapping);
debug("Rhosts RSA authentication: canonical host %.900s", chost);
if (!auth_rhosts_rsa_key_allowed(pw, cuser, chost, client_host_key)) {
debug("Rhosts with RSA host authentication denied: unknown or invalid host key");
packet_send_debug("Your host key cannot be verified: unknown or invalid host key.");
return 0;
@ -65,7 +79,7 @@ auth_rhosts_rsa(struct passwd *pw, const char *client_user, Key *client_host_key
/* Perform the challenge-response dialog with the client for the host key. */
if (!auth_rsa_challenge_dialog(client_host_key)) {
log("Client on %.800s failed to respond correctly to host authentication.",
canonical_hostname);
chost);
return 0;
}
/*
@ -74,7 +88,7 @@ auth_rhosts_rsa(struct passwd *pw, const char *client_user, Key *client_host_key
*/
verbose("Rhosts with RSA host authentication accepted for %.100s, %.100s on %.700s.",
pw->pw_name, client_user, canonical_hostname);
pw->pw_name, cuser, chost);
packet_send_debug("Rhosts with RSA host authentication accepted.");
return 1;
}

4
auth.h
View File

@ -1,4 +1,4 @@
/* $OpenBSD: auth.h,v 1.30 2002/03/14 16:56:33 markus Exp $ */
/* $OpenBSD: auth.h,v 1.31 2002/03/16 17:22:09 markus Exp $ */
/*
* Copyright (c) 2000 Markus Friedl. All rights reserved.
@ -92,7 +92,7 @@ int auth_rhosts(struct passwd *, const char *);
int
auth_rhosts2(struct passwd *, const char *, const char *, const char *);
int auth_rhosts_rsa(struct passwd *, const char *, Key *);
int auth_rhosts_rsa(struct passwd *, char *, Key *);
int auth_password(Authctxt *, const char *);
int auth_rsa(struct passwd *, BIGNUM *);
int auth_rsa_challenge_dialog(Key *);