X-Git-Url: http://www.project-moonshot.org/gitweb/?p=openssh.git;a=blobdiff_plain;f=gss-serv-krb5.c;fp=gss-serv-krb5.c;h=0000000000000000000000000000000000000000;hp=5a625acb89a6bad1f4c45d452376c9de0c318aca;hb=d759e6c50b8bab860dae48501cd0d7fe48ee45e7;hpb=0bf87176543b3874dfd9e1a2ad928fe78388669d diff --git a/gss-serv-krb5.c b/gss-serv-krb5.c deleted file mode 100644 index 5a625ac..0000000 --- a/gss-serv-krb5.c +++ /dev/null @@ -1,199 +0,0 @@ -/* $OpenBSD: gss-serv-krb5.c,v 1.7 2006/08/03 03:34:42 deraadt Exp $ */ - -/* - * Copyright (c) 2001-2003 Simon Wilkinson. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "includes.h" - -#ifdef GSSAPI -#ifdef KRB5 - -#include - -#include -#include - -#include "xmalloc.h" -#include "key.h" -#include "hostfile.h" -#include "auth.h" -#include "log.h" -#include "servconf.h" - -#include "buffer.h" -#include "ssh-gss.h" - -extern ServerOptions options; - -#ifdef HEIMDAL -# include -#else -# ifdef HAVE_GSSAPI_KRB5_H -# include -# elif HAVE_GSSAPI_GSSAPI_KRB5_H -# include -# endif -#endif - -static krb5_context krb_context = NULL; - -/* Initialise the krb5 library, for the stuff that GSSAPI won't do */ - -static int -ssh_gssapi_krb5_init(void) -{ - krb5_error_code problem; - - if (krb_context != NULL) - return 1; - - problem = krb5_init_context(&krb_context); - if (problem) { - logit("Cannot initialize krb5 context"); - return 0; - } - - return 1; -} - -/* Check if this user is OK to login. This only works with krb5 - other - * GSSAPI mechanisms will need their own. - * Returns true if the user is OK to log in, otherwise returns 0 - */ - -static int -ssh_gssapi_krb5_userok(ssh_gssapi_client *client, char *name) -{ - krb5_principal princ; - int retval; - - if (ssh_gssapi_krb5_init() == 0) - return 0; - - if ((retval = krb5_parse_name(krb_context, client->exportedname.value, - &princ))) { - logit("krb5_parse_name(): %.100s", - krb5_get_err_text(krb_context, retval)); - return 0; - } - if (krb5_kuserok(krb_context, princ, name)) { - retval = 1; - logit("Authorized to %s, krb5 principal %s (krb5_kuserok)", - name, (char *)client->displayname.value); - } else - retval = 0; - - krb5_free_principal(krb_context, princ); - return retval; -} - - -/* This writes out any forwarded credentials from the structure populated - * during userauth. Called after we have setuid to the user */ - -static void -ssh_gssapi_krb5_storecreds(ssh_gssapi_client *client) -{ - krb5_ccache ccache; - krb5_error_code problem; - krb5_principal princ; - OM_uint32 maj_status, min_status; - int len; - - if (client->creds == NULL) { - debug("No credentials stored"); - return; - } - - if (ssh_gssapi_krb5_init() == 0) - return; - -#ifdef HEIMDAL - if ((problem = krb5_cc_gen_new(krb_context, &krb5_fcc_ops, &ccache))) { - logit("krb5_cc_gen_new(): %.100s", - krb5_get_err_text(krb_context, problem)); - return; - } -#else - if ((problem = ssh_krb5_cc_gen(krb_context, &ccache))) { - logit("ssh_krb5_cc_gen(): %.100s", - krb5_get_err_text(krb_context, problem)); - return; - } -#endif /* #ifdef HEIMDAL */ - - if ((problem = krb5_parse_name(krb_context, - client->exportedname.value, &princ))) { - logit("krb5_parse_name(): %.100s", - krb5_get_err_text(krb_context, problem)); - krb5_cc_destroy(krb_context, ccache); - return; - } - - if ((problem = krb5_cc_initialize(krb_context, ccache, princ))) { - logit("krb5_cc_initialize(): %.100s", - krb5_get_err_text(krb_context, problem)); - krb5_free_principal(krb_context, princ); - krb5_cc_destroy(krb_context, ccache); - return; - } - - krb5_free_principal(krb_context, princ); - - if ((maj_status = gss_krb5_copy_ccache(&min_status, - client->creds, ccache))) { - logit("gss_krb5_copy_ccache() failed"); - krb5_cc_destroy(krb_context, ccache); - return; - } - - client->store.filename = xstrdup(krb5_cc_get_name(krb_context, ccache)); - client->store.envvar = "KRB5CCNAME"; - len = strlen(client->store.filename) + 6; - client->store.envval = xmalloc(len); - snprintf(client->store.envval, len, "FILE:%s", client->store.filename); - -#ifdef USE_PAM - if (options.use_pam) - do_pam_putenv(client->store.envvar, client->store.envval); -#endif - - krb5_cc_close(krb_context, ccache); - - return; -} - -ssh_gssapi_mech gssapi_kerberos_mech = { - "toWM5Slw5Ew8Mqkay+al2g==", - "Kerberos", - {9, "\x2A\x86\x48\x86\xF7\x12\x01\x02\x02"}, - NULL, - &ssh_gssapi_krb5_userok, - NULL, - &ssh_gssapi_krb5_storecreds -}; - -#endif /* KRB5 */ - -#endif /* GSSAPI */