- (dtucker) [Makefile.in acconfig.h auth-krb5.c auth-pam.c auth-pam.h
configure.ac defines.h gss-serv-krb5.c session.c ssh-gss.h sshconnect1.c sshconnect2.c] Add Portable GSSAPI support, patch by Simon Wilkinson.
This commit is contained in:
Darren Tucker
parent
0efd155c3c
commit
49aaf4ad52
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@ -10,6 +10,9 @@
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ssh_config.5 sshconnect2.c sshd_config sshd_config.5]
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support GSS API user authentication; patches from Simon Wilkinson,
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stripped down and tested by Jakob and myself.
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- (dtucker) [Makefile.in acconfig.h auth-krb5.c auth-pam.c auth-pam.h
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configure.ac defines.h gss-serv-krb5.c session.c ssh-gss.h sshconnect1.c
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sshconnect2.c] Add Portable GSSAPI support, patch by Simon Wilkinson.
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20030825
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- (djm) Bug #621: Select OpenSC keys by usage attributes. Patch from
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@ -882,4 +885,4 @@
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- Fix sshd BindAddress and -b options for systems using fake-getaddrinfo.
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Report from murple@murple.net, diagnosis from dtucker@zip.com.au
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$Id: ChangeLog,v 1.2907 2003/08/26 01:49:55 dtucker Exp $
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$Id: ChangeLog,v 1.2908 2003/08/26 01:58:16 dtucker Exp $
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@ -1,4 +1,4 @@
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# $Id: Makefile.in,v 1.240 2003/08/02 13:51:38 dtucker Exp $
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# $Id: Makefile.in,v 1.241 2003/08/26 01:58:16 dtucker Exp $
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# uncomment if you run a non bourne compatable shell. Ie. csh
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#SHELL = @SH@
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@ -68,7 +68,7 @@ LIBSSH_OBJS=authfd.o authfile.o bufaux.o buffer.o canohost.o channels.o \
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key.o dispatch.o kex.o mac.o uuencode.o misc.o \
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rijndael.o ssh-dss.o ssh-rsa.o dh.o kexdh.o kexgex.o \
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kexdhc.o kexgexc.o scard.o msg.o progressmeter.o dns.o \
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entropy.o scard-opensc.o
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entropy.o scard-opensc.o gss-genr.o
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SSHOBJS= ssh.o readconf.o clientloop.o sshtty.o \
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sshconnect.o sshconnect1.o sshconnect2.o
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@ -82,6 +82,7 @@ SSHDOBJS=sshd.o auth-rhosts.o auth-passwd.o auth-rsa.o auth-rh-rsa.o \
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monitor_mm.o monitor.o monitor_wrap.o monitor_fdpass.o \
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kexdhs.o kexgexs.o \
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auth-krb5.o auth2-krb5.o \
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auth2-gss.o gss-serv.o gss-serv-krb5.o \
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loginrec.o auth-pam.o auth-sia.o md5crypt.o
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MANPAGES = scp.1.out ssh-add.1.out ssh-agent.1.out ssh-keygen.1.out ssh-keyscan.1.out ssh.1.out sshd.8.out sftp-server.8.out sftp.1.out ssh-rand-helper.8.out ssh-keysign.8.out sshd_config.5.out ssh_config.5.out
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@ -1,4 +1,4 @@
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/* $Id: acconfig.h,v 1.161 2003/08/25 01:51:19 dtucker Exp $ */
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/* $Id: acconfig.h,v 1.162 2003/08/26 01:58:16 dtucker Exp $ */
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/*
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* Copyright (c) 1999-2003 Damien Miller. All rights reserved.
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@ -232,6 +232,9 @@
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/* Define if compiler implements __func__ */
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#undef HAVE___func__
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/* Define this is you want GSSAPI support in the version 2 protocol */
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#undef GSSAPI
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/* Define if you want Kerberos 5 support */
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#undef KRB5
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@ -42,9 +42,6 @@ RCSID("$OpenBSD: auth-krb5.c,v 1.11 2003/07/16 15:02:06 markus Exp $");
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#ifdef KRB5
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#include <krb5.h>
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#ifndef HEIMDAL
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#define krb5_get_err_text(context,code) error_message(code)
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#endif /* !HEIMDAL */
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extern ServerOptions options;
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25
auth-pam.c
25
auth-pam.c
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@ -31,7 +31,7 @@
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/* Based on $FreeBSD: src/crypto/openssh/auth2-pam-freebsd.c,v 1.11 2003/03/31 13:48:18 des Exp $ */
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#include "includes.h"
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RCSID("$Id: auth-pam.c,v 1.67 2003/08/25 03:08:49 djm Exp $");
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RCSID("$Id: auth-pam.c,v 1.68 2003/08/26 01:58:16 dtucker Exp $");
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#ifdef USE_PAM
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#include <security/pam_appl.h>
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@ -650,6 +650,29 @@ do_pam_chauthtok(void)
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pam_strerror(sshpam_handle, sshpam_err));
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}
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/*
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* Set a PAM environment string. We need to do this so that the session
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* modules can handle things like Kerberos/GSI credentials that appear
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* during the ssh authentication process.
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*/
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int
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do_pam_putenv(char *name, char *value)
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{
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char *compound;
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int ret = 1;
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#ifdef HAVE_PAM_PUTENV
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compound = xmalloc(strlen(name)+strlen(value)+2);
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if (compound) {
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sprintf(compound,"%s=%s",name,value);
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ret = pam_putenv(sshpam_handle,compound);
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xfree(compound);
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}
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#endif
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return (ret);
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}
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void
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print_pam_messages(void)
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{
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@ -1,4 +1,4 @@
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/* $Id: auth-pam.h,v 1.19 2003/08/25 03:08:49 djm Exp $ */
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/* $Id: auth-pam.h,v 1.20 2003/08/26 01:58:16 dtucker Exp $ */
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/*
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* Copyright (c) 2000 Damien Miller. All rights reserved.
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@ -38,6 +38,7 @@ void do_pam_session(const char *, const char *);
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void do_pam_setcred(int );
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int is_pam_password_change_required(void);
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void do_pam_chauthtok(void);
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int do_pam_putenv(char *, char *);
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void print_pam_messages(void);
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char ** fetch_pam_environment(void);
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void free_pam_environment(char **);
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28
configure.ac
28
configure.ac
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@ -1,4 +1,4 @@
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# $Id: configure.ac,v 1.142 2003/08/25 03:27:40 dtucker Exp $
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# $Id: configure.ac,v 1.143 2003/08/26 01:58:16 dtucker Exp $
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AC_INIT
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AC_CONFIG_SRCDIR([ssh.c])
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@ -831,6 +831,7 @@ AC_ARG_WITH(pam,
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AC_CHECK_LIB(dl, dlopen, , )
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AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
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AC_CHECK_FUNCS(pam_getenvlist)
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AC_CHECK_FUNCS(pam_putenv)
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disable_shadow=yes
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PAM_MSG="yes"
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@ -1946,6 +1947,31 @@ AC_ARG_WITH(kerberos5,
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fi
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AC_SEARCH_LIBS(dn_expand, resolv)
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AC_CHECK_LIB(gssapi,gss_init_sec_context,
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[ AC_DEFINE(GSSAPI)
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K5LIBS="-lgssapi $K5LIBS" ],
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[ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
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[ AC_DEFINE(GSSAPI)
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K5LIBS="-lgssapi_krb5 $K5LIBS" ],
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AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
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$K5LIBS)
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],
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$K5LIBS)
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AC_CHECK_HEADER(gssapi.h, ,
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[ unset ac_cv_header_gssapi_h
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CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
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AC_CHECK_HEADERS(gssapi.h, ,
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AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
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)
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]
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)
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oldCPP="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
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AC_CHECK_HEADER(gssapi_krb5.h, ,
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[ CPPFLAGS="$oldCPP" ])
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KRB5=yes
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fi
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]
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@ -25,7 +25,7 @@
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#ifndef _DEFINES_H
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#define _DEFINES_H
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/* $Id: defines.h,v 1.101 2003/08/21 06:49:41 dtucker Exp $ */
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/* $Id: defines.h,v 1.102 2003/08/26 01:58:16 dtucker Exp $ */
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/* Constants */
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@ -521,6 +521,10 @@ struct winsize {
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# define __func__ ""
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#endif
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#if defined(KRB5) && !defined(HEIMDAL)
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# define krb5_get_err_text(context,code) error_message(code)
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#endif
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/*
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* Define this to use pipes instead of socketpairs for communicating with the
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* client program. Socketpairs do not seem to work on all systems.
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@ -38,7 +38,11 @@
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extern ServerOptions options;
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#ifdef HEIMDAL
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#include <krb5.h>
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#else
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#include <gssapi_krb5.h>
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#endif
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static krb5_context krb_context = NULL;
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@ -113,11 +117,39 @@ ssh_gssapi_krb5_storecreds(ssh_gssapi_client *client)
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if (ssh_gssapi_krb5_init() == 0)
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return;
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#ifdef HEIMDAL
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if ((problem = krb5_cc_gen_new(krb_context, &krb5_fcc_ops, &ccache))) {
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logit("krb5_cc_gen_new(): %.100s",
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krb5_get_err_text(krb_context, problem));
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return;
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}
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#else
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{
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int tmpfd;
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char ccname[40];
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snprintf(ccname, sizeof(ccname),
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"FILE:/tmp/krb5cc_%d_XXXXXX", geteuid());
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if ((tmpfd = mkstemp(ccname + strlen("FILE:"))) == -1) {
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logit("mkstemp(): %.100s", strerror(errno));
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problem = errno;
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return;
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}
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if (fchmod(tmpfd, S_IRUSR | S_IWUSR) == -1) {
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logit("fchmod(): %.100s", strerror(errno));
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close(tmpfd);
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problem = errno;
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return;
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}
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close(tmpfd);
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if ((problem = krb5_cc_resolve(krb_context, ccname, &ccache))) {
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logit("krb5_cc_resolve(): %.100s",
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krb5_get_err_text(krb_context, problem));
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return;
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}
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}
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#endif /* #ifdef HEIMDAL */
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if ((problem = krb5_parse_name(krb_context,
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client->exportedname.value, &princ))) {
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@ -148,6 +180,11 @@ ssh_gssapi_krb5_storecreds(ssh_gssapi_client *client)
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client->store.envvar = "KRB5CCNAME";
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client->store.envval = xstrdup(client->store.filename);
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#ifdef USE_PAM
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if (options.use_pam)
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do_pam_putenv(client->store.envvar,client->store.envval);
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#endif
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krb5_cc_close(krb_context, ccache);
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return;
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24
session.c
24
session.c
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@ -418,6 +418,12 @@ do_exec_no_pty(Session *s, const char *command)
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session_proctitle(s);
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#ifdef GSSAPI
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temporarily_use_uid(s->pw);
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ssh_gssapi_storecreds();
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restore_uid();
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#endif
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#if defined(USE_PAM)
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if (options.use_pam) {
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do_pam_session(s->pw->pw_name, NULL);
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@ -428,12 +434,6 @@ do_exec_no_pty(Session *s, const char *command)
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}
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#endif /* USE_PAM */
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#ifdef GSSAPI
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temporarily_use_uid(s->pw);
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ssh_gssapi_storecreds();
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restore_uid();
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#endif
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/* Fork the child. */
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if ((pid = fork()) == 0) {
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fatal_remove_all_cleanups();
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@ -553,6 +553,12 @@ do_exec_pty(Session *s, const char *command)
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ptyfd = s->ptyfd;
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ttyfd = s->ttyfd;
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#ifdef GSSAPI
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temporarily_use_uid(s->pw);
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ssh_gssapi_storecreds();
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restore_uid();
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#endif
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#if defined(USE_PAM)
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if (options.use_pam) {
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do_pam_session(s->pw->pw_name, s->tty);
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@ -560,12 +566,6 @@ do_exec_pty(Session *s, const char *command)
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}
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#endif
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#ifdef GSSAPI
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temporarily_use_uid(s->pw);
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ssh_gssapi_storecreds();
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restore_uid();
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#endif
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/* Fork the child. */
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if ((pid = fork()) == 0) {
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fatal_remove_all_cleanups();
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12
ssh-gss.h
12
ssh-gss.h
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@ -31,6 +31,18 @@
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#include <gssapi.h>
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#ifdef KRB5
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#ifndef HEIMDAL
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#include <gssapi_generic.h>
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/* MIT Kerberos doesn't seem to define GSS_NT_HOSTBASED_SERVICE */
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#ifndef GSS_C_NT_HOSTBASED_SERVICE
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#define GSS_C_NT_HOSTBASED_SERVICE gss_nt_service_name
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#endif /* GSS_C_NT_... */
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#endif /* !HEIMDAL */
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#endif /* KRB5 */
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/* draft-ietf-secsh-gsskeyex-06 */
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#define SSH2_MSG_USERAUTH_GSSAPI_RESPONSE 60
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#define SSH2_MSG_USERAUTH_GSSAPI_TOKEN 61
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@ -20,9 +20,6 @@ RCSID("$OpenBSD: sshconnect1.c,v 1.55 2003/08/13 08:46:31 markus Exp $");
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#ifdef KRB5
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#include <krb5.h>
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#ifndef HEIMDAL
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#define krb5_get_err_text(context,code) error_message(code)
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#endif /* !HEIMDAL */
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#endif
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#include "ssh.h"
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@ -27,9 +27,6 @@ RCSID("$OpenBSD: sshconnect2.c,v 1.121 2003/08/22 10:56:09 markus Exp $");
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#ifdef KRB5
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#include <krb5.h>
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#ifndef HEIMDAL
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#define krb5_get_err_text(context,code) error_message(code)
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#endif /* !HEIMDAL */
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#endif
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#include "openbsd-compat/sys-queue.h"
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Loading…
Reference in New Issue