mirror of
https://github.com/samba-team/samba.git
synced 2024-12-24 21:34:56 +03:00
921 lines
24 KiB
C
921 lines
24 KiB
C
/*
|
|
* Copyright (c) 1997-2007 Kungliga Tekniska Högskolan
|
|
* (Royal Institute of Technology, Stockholm, Sweden).
|
|
* All rights reserved.
|
|
*
|
|
* Portions Copyright (c) 2009 Apple Inc. 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.
|
|
*
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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 "kuser_locl.h"
|
|
|
|
#ifdef __APPLE__
|
|
#include <Security/Security.h>
|
|
#endif
|
|
|
|
#ifndef NO_NTLM
|
|
#include "heimntlm.h"
|
|
#endif
|
|
|
|
int forwardable_flag = -1;
|
|
int proxiable_flag = -1;
|
|
int renewable_flag = -1;
|
|
int renew_flag = 0;
|
|
int pac_flag = -1;
|
|
int validate_flag = 0;
|
|
int version_flag = 0;
|
|
int help_flag = 0;
|
|
int addrs_flag = -1;
|
|
struct getarg_strings extra_addresses;
|
|
int anonymous_flag = 0;
|
|
char *lifetime = NULL;
|
|
char *renew_life = NULL;
|
|
char *server_str = NULL;
|
|
char *cred_cache = NULL;
|
|
char *start_str = NULL;
|
|
static int switch_cache_flags = 1;
|
|
struct getarg_strings etype_str;
|
|
int use_keytab = 0;
|
|
char *keytab_str = NULL;
|
|
int do_afslog = -1;
|
|
int fcache_version;
|
|
char *password_file = NULL;
|
|
char *pk_user_id = NULL;
|
|
int pk_enterprise_flag = 0;
|
|
struct hx509_certs_data *ent_user_id = NULL;
|
|
char *pk_x509_anchors = NULL;
|
|
int pk_use_enckey = 0;
|
|
static int canonicalize_flag = 0;
|
|
static int enterprise_flag = 0;
|
|
static int ok_as_delegate_flag = 0;
|
|
static int use_referrals_flag = 0;
|
|
static int windows_flag = 0;
|
|
#ifndef NO_NTLM
|
|
static char *ntlm_domain;
|
|
#endif
|
|
|
|
|
|
static struct getargs args[] = {
|
|
/*
|
|
* used by MIT
|
|
* a: ~A
|
|
* V: verbose
|
|
* F: ~f
|
|
* P: ~p
|
|
* C: v4 cache name?
|
|
* 5:
|
|
*
|
|
* old flags
|
|
* 4:
|
|
* 9:
|
|
*/
|
|
{ "afslog", 0 , arg_flag, &do_afslog,
|
|
NP_("obtain afs tokens", ""), NULL },
|
|
|
|
{ "cache", 'c', arg_string, &cred_cache,
|
|
NP_("credentials cache", ""), "cachename" },
|
|
|
|
{ "forwardable", 0, arg_negative_flag, &forwardable_flag,
|
|
NP_("get tickets not forwardable", ""), NULL },
|
|
|
|
{ NULL, 'f', arg_flag, &forwardable_flag,
|
|
NP_("get forwardable tickets", ""), NULL },
|
|
|
|
{ "keytab", 't', arg_string, &keytab_str,
|
|
NP_("keytab to use", ""), "keytabname" },
|
|
|
|
{ "lifetime", 'l', arg_string, &lifetime,
|
|
NP_("lifetime of tickets", ""), "time" },
|
|
|
|
{ "proxiable", 'p', arg_flag, &proxiable_flag,
|
|
NP_("get proxiable tickets", ""), NULL },
|
|
|
|
{ "renew", 'R', arg_flag, &renew_flag,
|
|
NP_("renew TGT", ""), NULL },
|
|
|
|
{ "renewable", 0, arg_flag, &renewable_flag,
|
|
NP_("get renewable tickets", ""), NULL },
|
|
|
|
{ "renewable-life", 'r', arg_string, &renew_life,
|
|
NP_("renewable lifetime of tickets", ""), "time" },
|
|
|
|
{ "server", 'S', arg_string, &server_str,
|
|
NP_("server to get ticket for", ""), "principal" },
|
|
|
|
{ "start-time", 's', arg_string, &start_str,
|
|
NP_("when ticket gets valid", ""), "time" },
|
|
|
|
{ "use-keytab", 'k', arg_flag, &use_keytab,
|
|
NP_("get key from keytab", ""), NULL },
|
|
|
|
{ "validate", 'v', arg_flag, &validate_flag,
|
|
NP_("validate TGT", ""), NULL },
|
|
|
|
{ "enctypes", 'e', arg_strings, &etype_str,
|
|
NP_("encryption types to use", ""), "enctypes" },
|
|
|
|
{ "fcache-version", 0, arg_integer, &fcache_version,
|
|
NP_("file cache version to create", ""), NULL },
|
|
|
|
{ "addresses", 'A', arg_negative_flag, &addrs_flag,
|
|
NP_("request a ticket with no addresses", ""), NULL },
|
|
|
|
{ "extra-addresses",'a', arg_strings, &extra_addresses,
|
|
NP_("include these extra addresses", ""), "addresses" },
|
|
|
|
{ "anonymous", 0, arg_flag, &anonymous_flag,
|
|
NP_("request an anonymous ticket", ""), NULL },
|
|
|
|
{ "request-pac", 0, arg_flag, &pac_flag,
|
|
NP_("request a Windows PAC", ""), NULL },
|
|
|
|
{ "password-file", 0, arg_string, &password_file,
|
|
NP_("read the password from a file", ""), NULL },
|
|
|
|
{ "canonicalize",0, arg_flag, &canonicalize_flag,
|
|
NP_("canonicalize client principal", ""), NULL },
|
|
|
|
{ "enterprise",0, arg_flag, &enterprise_flag,
|
|
NP_("parse principal as a KRB5-NT-ENTERPRISE name", ""), NULL },
|
|
#ifdef PKINIT
|
|
{ "pk-enterprise", 0, arg_flag, &pk_enterprise_flag,
|
|
NP_("use enterprise name from certificate", ""), NULL },
|
|
|
|
{ "pk-user", 'C', arg_string, &pk_user_id,
|
|
NP_("principal's public/private/certificate identifier", ""), "id" },
|
|
|
|
{ "x509-anchors", 'D', arg_string, &pk_x509_anchors,
|
|
NP_("directory with CA certificates", ""), "directory" },
|
|
|
|
{ "pk-use-enckey", 0, arg_flag, &pk_use_enckey,
|
|
NP_("Use RSA encrypted reply (instead of DH)", ""), NULL },
|
|
#endif
|
|
#ifndef NO_NTLM
|
|
{ "ntlm-domain", 0, arg_string, &ntlm_domain,
|
|
NP_("NTLM domain", ""), "domain" },
|
|
#endif
|
|
|
|
{ "change-default", 0, arg_negative_flag, &switch_cache_flags,
|
|
NP_("switch the default cache to the new credentials cache", ""), NULL },
|
|
|
|
{ "ok-as-delegate", 0, arg_flag, &ok_as_delegate_flag,
|
|
NP_("honor ok-as-delegate on tickets", ""), NULL },
|
|
|
|
{ "use-referrals", 0, arg_flag, &use_referrals_flag,
|
|
NP_("only use referrals, no dns canalisation", ""), NULL },
|
|
|
|
{ "windows", 0, arg_flag, &windows_flag,
|
|
NP_("get windows behavior", ""), NULL },
|
|
|
|
{ "version", 0, arg_flag, &version_flag, NULL, NULL },
|
|
{ "help", 0, arg_flag, &help_flag, NULL, NULL }
|
|
};
|
|
|
|
static void
|
|
usage (int ret)
|
|
{
|
|
arg_printusage_i18n (args,
|
|
sizeof(args)/sizeof(*args),
|
|
N_("Usage: ", ""),
|
|
NULL,
|
|
"[principal [command]]",
|
|
getarg_i18n);
|
|
exit (ret);
|
|
}
|
|
|
|
static krb5_error_code
|
|
get_server(krb5_context context,
|
|
krb5_principal client,
|
|
const char *server,
|
|
krb5_principal *princ)
|
|
{
|
|
krb5_const_realm realm;
|
|
if(server)
|
|
return krb5_parse_name(context, server, princ);
|
|
|
|
realm = krb5_principal_get_realm(context, client);
|
|
return krb5_make_principal(context, princ, realm,
|
|
KRB5_TGS_NAME, realm, NULL);
|
|
}
|
|
|
|
static int
|
|
renew_validate(krb5_context context,
|
|
int renew,
|
|
int validate,
|
|
krb5_ccache cache,
|
|
const char *server,
|
|
krb5_deltat life)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_creds in, *out = NULL;
|
|
krb5_kdc_flags flags;
|
|
|
|
memset(&in, 0, sizeof(in));
|
|
|
|
ret = krb5_cc_get_principal(context, cache, &in.client);
|
|
if(ret) {
|
|
krb5_warn(context, ret, "krb5_cc_get_principal");
|
|
return ret;
|
|
}
|
|
ret = get_server(context, in.client, server, &in.server);
|
|
if(ret) {
|
|
krb5_warn(context, ret, "get_server");
|
|
goto out;
|
|
}
|
|
|
|
if (renew) {
|
|
/*
|
|
* no need to check the error here, it's only to be
|
|
* friendly to the user
|
|
*/
|
|
krb5_get_credentials(context, KRB5_GC_CACHED, cache, &in, &out);
|
|
}
|
|
|
|
flags.i = 0;
|
|
flags.b.renewable = flags.b.renew = renew;
|
|
flags.b.validate = validate;
|
|
|
|
if (forwardable_flag != -1)
|
|
flags.b.forwardable = forwardable_flag;
|
|
else if (out)
|
|
flags.b.forwardable = out->flags.b.forwardable;
|
|
|
|
if (proxiable_flag != -1)
|
|
flags.b.proxiable = proxiable_flag;
|
|
else if (out)
|
|
flags.b.proxiable = out->flags.b.proxiable;
|
|
|
|
if (anonymous_flag)
|
|
flags.b.request_anonymous = anonymous_flag;
|
|
if(life)
|
|
in.times.endtime = time(NULL) + life;
|
|
|
|
if (out) {
|
|
krb5_free_creds (context, out);
|
|
out = NULL;
|
|
}
|
|
|
|
|
|
ret = krb5_get_kdc_cred(context,
|
|
cache,
|
|
flags,
|
|
NULL,
|
|
NULL,
|
|
&in,
|
|
&out);
|
|
if(ret) {
|
|
krb5_warn(context, ret, "krb5_get_kdc_cred");
|
|
goto out;
|
|
}
|
|
ret = krb5_cc_initialize(context, cache, in.client);
|
|
if(ret) {
|
|
krb5_free_creds (context, out);
|
|
krb5_warn(context, ret, "krb5_cc_initialize");
|
|
goto out;
|
|
}
|
|
ret = krb5_cc_store_cred(context, cache, out);
|
|
|
|
if(ret == 0 && server == NULL) {
|
|
/* only do this if it's a general renew-my-tgt request */
|
|
#ifndef NO_AFS
|
|
if(do_afslog && k_hasafs())
|
|
krb5_afslog(context, cache, NULL, NULL);
|
|
#endif
|
|
}
|
|
|
|
krb5_free_creds (context, out);
|
|
if(ret) {
|
|
krb5_warn(context, ret, "krb5_cc_store_cred");
|
|
goto out;
|
|
}
|
|
out:
|
|
krb5_free_cred_contents(context, &in);
|
|
return ret;
|
|
}
|
|
|
|
#ifndef NO_NTLM
|
|
|
|
static krb5_error_code
|
|
store_ntlmkey(krb5_context context, krb5_ccache id,
|
|
const char *domain, struct ntlm_buf *buf)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_data data;
|
|
char *name;
|
|
|
|
asprintf(&name, "ntlm-key-%s", domain);
|
|
if (name == NULL) {
|
|
krb5_clear_error_message(context);
|
|
return ENOMEM;
|
|
}
|
|
|
|
data.length = buf->length;
|
|
data.data = buf->data;
|
|
|
|
ret = krb5_cc_set_config(context, id, NULL, name, &data);
|
|
free(name);
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
static krb5_error_code
|
|
get_new_tickets(krb5_context context,
|
|
krb5_principal principal,
|
|
krb5_ccache ccache,
|
|
krb5_deltat ticket_life,
|
|
int interactive)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_get_init_creds_opt *opt;
|
|
krb5_creds cred;
|
|
char passwd[256];
|
|
krb5_deltat start_time = 0;
|
|
krb5_deltat renew = 0;
|
|
const char *renewstr = NULL;
|
|
krb5_enctype *enctype = NULL;
|
|
krb5_ccache tempccache;
|
|
#ifndef NO_NTLM
|
|
struct ntlm_buf ntlmkey;
|
|
memset(&ntlmkey, 0, sizeof(ntlmkey));
|
|
#endif
|
|
passwd[0] = '\0';
|
|
|
|
if (password_file) {
|
|
FILE *f;
|
|
|
|
if (strcasecmp("STDIN", password_file) == 0)
|
|
f = stdin;
|
|
else
|
|
f = fopen(password_file, "r");
|
|
if (f == NULL)
|
|
krb5_errx(context, 1, "Failed to open the password file %s",
|
|
password_file);
|
|
|
|
if (fgets(passwd, sizeof(passwd), f) == NULL)
|
|
krb5_errx(context, 1,
|
|
N_("Failed to read password from file %s", ""),
|
|
password_file);
|
|
if (f != stdin)
|
|
fclose(f);
|
|
passwd[strcspn(passwd, "\n")] = '\0';
|
|
}
|
|
|
|
#ifdef __APPLE__
|
|
if (passwd[0] == '\0') {
|
|
const char *realm;
|
|
OSStatus osret;
|
|
UInt32 length;
|
|
void *buffer;
|
|
char *name;
|
|
|
|
realm = krb5_principal_get_realm(context, principal);
|
|
|
|
ret = krb5_unparse_name_flags(context, principal,
|
|
KRB5_PRINCIPAL_UNPARSE_NO_REALM, &name);
|
|
if (ret)
|
|
goto nopassword;
|
|
|
|
osret = SecKeychainFindGenericPassword(NULL, strlen(realm), realm,
|
|
strlen(name), name,
|
|
&length, &buffer, NULL);
|
|
free(name);
|
|
if (osret == noErr && length < sizeof(passwd) - 1) {
|
|
memcpy(passwd, buffer, length);
|
|
passwd[length] = '\0';
|
|
}
|
|
nopassword:
|
|
do { } while(0);
|
|
}
|
|
#endif
|
|
|
|
memset(&cred, 0, sizeof(cred));
|
|
|
|
ret = krb5_get_init_creds_opt_alloc (context, &opt);
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb5_get_init_creds_opt_alloc");
|
|
|
|
krb5_get_init_creds_opt_set_default_flags(context, "kinit",
|
|
krb5_principal_get_realm(context, principal), opt);
|
|
|
|
if(forwardable_flag != -1)
|
|
krb5_get_init_creds_opt_set_forwardable (opt, forwardable_flag);
|
|
if(proxiable_flag != -1)
|
|
krb5_get_init_creds_opt_set_proxiable (opt, proxiable_flag);
|
|
if(anonymous_flag)
|
|
krb5_get_init_creds_opt_set_anonymous (opt, anonymous_flag);
|
|
if (pac_flag != -1)
|
|
krb5_get_init_creds_opt_set_pac_request(context, opt,
|
|
pac_flag ? TRUE : FALSE);
|
|
if (canonicalize_flag)
|
|
krb5_get_init_creds_opt_set_canonicalize(context, opt, TRUE);
|
|
if (pk_enterprise_flag || enterprise_flag || canonicalize_flag || windows_flag)
|
|
krb5_get_init_creds_opt_set_win2k(context, opt, TRUE);
|
|
if (pk_user_id || ent_user_id || anonymous_flag) {
|
|
ret = krb5_get_init_creds_opt_set_pkinit(context, opt,
|
|
principal,
|
|
pk_user_id,
|
|
pk_x509_anchors,
|
|
NULL,
|
|
NULL,
|
|
pk_use_enckey ? 2 : 0 |
|
|
anonymous_flag ? 4 : 0,
|
|
krb5_prompter_posix,
|
|
NULL,
|
|
passwd);
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb5_get_init_creds_opt_set_pkinit");
|
|
if (ent_user_id)
|
|
krb5_get_init_creds_opt_set_pkinit_user_certs(context, opt, ent_user_id);
|
|
}
|
|
|
|
if (addrs_flag != -1)
|
|
krb5_get_init_creds_opt_set_addressless(context, opt,
|
|
addrs_flag ? FALSE : TRUE);
|
|
|
|
if (renew_life == NULL && renewable_flag)
|
|
renewstr = "1 month";
|
|
if (renew_life)
|
|
renewstr = renew_life;
|
|
if (renewstr) {
|
|
renew = parse_time (renewstr, "s");
|
|
if (renew < 0)
|
|
errx (1, "unparsable time: %s", renewstr);
|
|
|
|
krb5_get_init_creds_opt_set_renew_life (opt, renew);
|
|
}
|
|
|
|
if(ticket_life != 0)
|
|
krb5_get_init_creds_opt_set_tkt_life (opt, ticket_life);
|
|
|
|
if(start_str) {
|
|
int tmp = parse_time (start_str, "s");
|
|
if (tmp < 0)
|
|
errx (1, N_("unparsable time: %s", ""), start_str);
|
|
|
|
start_time = tmp;
|
|
}
|
|
|
|
if(etype_str.num_strings) {
|
|
int i;
|
|
|
|
enctype = malloc(etype_str.num_strings * sizeof(*enctype));
|
|
if(enctype == NULL)
|
|
errx(1, "out of memory");
|
|
for(i = 0; i < etype_str.num_strings; i++) {
|
|
ret = krb5_string_to_enctype(context,
|
|
etype_str.strings[i],
|
|
&enctype[i]);
|
|
if(ret)
|
|
errx(1, "unrecognized enctype: %s", etype_str.strings[i]);
|
|
}
|
|
krb5_get_init_creds_opt_set_etype_list(opt, enctype,
|
|
etype_str.num_strings);
|
|
}
|
|
|
|
if(use_keytab || keytab_str) {
|
|
krb5_keytab kt;
|
|
if(keytab_str)
|
|
ret = krb5_kt_resolve(context, keytab_str, &kt);
|
|
else
|
|
ret = krb5_kt_default(context, &kt);
|
|
if (ret)
|
|
krb5_err (context, 1, ret, "resolving keytab");
|
|
ret = krb5_get_init_creds_keytab (context,
|
|
&cred,
|
|
principal,
|
|
kt,
|
|
start_time,
|
|
server_str,
|
|
opt);
|
|
krb5_kt_close(context, kt);
|
|
} else if (pk_user_id || ent_user_id || anonymous_flag) {
|
|
ret = krb5_get_init_creds_password (context,
|
|
&cred,
|
|
principal,
|
|
passwd,
|
|
krb5_prompter_posix,
|
|
NULL,
|
|
start_time,
|
|
server_str,
|
|
opt);
|
|
} else if (!interactive) {
|
|
krb5_warnx(context, "Not interactive, failed to get initial ticket");
|
|
krb5_get_init_creds_opt_free(context, opt);
|
|
return 0;
|
|
} else {
|
|
|
|
if (passwd[0] == '\0') {
|
|
char *p, *prompt;
|
|
|
|
krb5_unparse_name (context, principal, &p);
|
|
asprintf (&prompt, N_("%s's Password: ", ""), p);
|
|
free (p);
|
|
|
|
if (UI_UTIL_read_pw_string(passwd, sizeof(passwd)-1, prompt, 0)){
|
|
memset(passwd, 0, sizeof(passwd));
|
|
exit(1);
|
|
}
|
|
free (prompt);
|
|
}
|
|
|
|
|
|
ret = krb5_get_init_creds_password (context,
|
|
&cred,
|
|
principal,
|
|
passwd,
|
|
krb5_prompter_posix,
|
|
NULL,
|
|
start_time,
|
|
server_str,
|
|
opt);
|
|
}
|
|
krb5_get_init_creds_opt_free(context, opt);
|
|
#ifndef NO_NTLM
|
|
if (ntlm_domain && passwd[0])
|
|
heim_ntlm_nt_key(passwd, &ntlmkey);
|
|
#endif
|
|
memset(passwd, 0, sizeof(passwd));
|
|
|
|
switch(ret){
|
|
case 0:
|
|
break;
|
|
case KRB5_LIBOS_PWDINTR: /* don't print anything if it was just C-c:ed */
|
|
exit(1);
|
|
case KRB5KRB_AP_ERR_BAD_INTEGRITY:
|
|
case KRB5KRB_AP_ERR_MODIFIED:
|
|
case KRB5KDC_ERR_PREAUTH_FAILED:
|
|
krb5_errx(context, 1, N_("Password incorrect", ""));
|
|
break;
|
|
case KRB5KRB_AP_ERR_V4_REPLY:
|
|
krb5_errx(context, 1, N_("Looks like a Kerberos 4 reply", ""));
|
|
break;
|
|
default:
|
|
krb5_err(context, 1, ret, "krb5_get_init_creds");
|
|
}
|
|
|
|
if(ticket_life != 0) {
|
|
if(abs(cred.times.endtime - cred.times.starttime - ticket_life) > 30) {
|
|
char life[64];
|
|
unparse_time_approx(cred.times.endtime - cred.times.starttime,
|
|
life, sizeof(life));
|
|
krb5_warnx(context, N_("NOTICE: ticket lifetime is %s", ""), life);
|
|
}
|
|
}
|
|
if(renew_life) {
|
|
if(abs(cred.times.renew_till - cred.times.starttime - renew) > 30) {
|
|
char life[64];
|
|
unparse_time_approx(cred.times.renew_till - cred.times.starttime,
|
|
life, sizeof(life));
|
|
krb5_warnx(context,
|
|
N_("NOTICE: ticket renewable lifetime is %s", ""),
|
|
life);
|
|
}
|
|
}
|
|
|
|
ret = krb5_cc_new_unique(context, krb5_cc_get_type(context, ccache),
|
|
NULL, &tempccache);
|
|
if (ret)
|
|
krb5_err (context, 1, ret, "krb5_cc_new_unique");
|
|
|
|
ret = krb5_cc_initialize (context, tempccache, cred.client);
|
|
if (ret)
|
|
krb5_err (context, 1, ret, "krb5_cc_initialize");
|
|
|
|
ret = krb5_cc_store_cred (context, tempccache, &cred);
|
|
if (ret)
|
|
krb5_err (context, 1, ret, "krb5_cc_store_cred");
|
|
|
|
krb5_free_cred_contents (context, &cred);
|
|
|
|
ret = krb5_cc_move(context, tempccache, ccache);
|
|
if (ret)
|
|
krb5_err (context, 1, ret, "krb5_cc_move");
|
|
|
|
if (switch_cache_flags)
|
|
krb5_cc_switch(context, ccache);
|
|
|
|
#ifndef NO_NTLM
|
|
if (ntlm_domain && ntlmkey.data)
|
|
store_ntlmkey(context, ccache, ntlm_domain, &ntlmkey);
|
|
#endif
|
|
|
|
if (ok_as_delegate_flag || windows_flag || use_referrals_flag) {
|
|
unsigned char d = 0;
|
|
krb5_data data;
|
|
|
|
if (ok_as_delegate_flag || windows_flag)
|
|
d |= 1;
|
|
if (use_referrals_flag || windows_flag)
|
|
d |= 2;
|
|
|
|
data.length = 1;
|
|
data.data = &d;
|
|
|
|
krb5_cc_set_config(context, ccache, NULL, "realm-config", &data);
|
|
}
|
|
|
|
|
|
if (enctype)
|
|
free(enctype);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static time_t
|
|
ticket_lifetime(krb5_context context, krb5_ccache cache,
|
|
krb5_principal client, const char *server)
|
|
{
|
|
krb5_creds in_cred, *cred;
|
|
krb5_error_code ret;
|
|
time_t timeout;
|
|
|
|
memset(&in_cred, 0, sizeof(in_cred));
|
|
|
|
ret = krb5_cc_get_principal(context, cache, &in_cred.client);
|
|
if(ret) {
|
|
krb5_warn(context, ret, "krb5_cc_get_principal");
|
|
return 0;
|
|
}
|
|
ret = get_server(context, in_cred.client, server, &in_cred.server);
|
|
if(ret) {
|
|
krb5_free_principal(context, in_cred.client);
|
|
krb5_warn(context, ret, "get_server");
|
|
return 0;
|
|
}
|
|
|
|
ret = krb5_get_credentials(context, KRB5_GC_CACHED,
|
|
cache, &in_cred, &cred);
|
|
krb5_free_principal(context, in_cred.client);
|
|
krb5_free_principal(context, in_cred.server);
|
|
if(ret) {
|
|
krb5_warn(context, ret, "krb5_get_credentials");
|
|
return 0;
|
|
}
|
|
timeout = cred->times.endtime - cred->times.starttime;
|
|
if (timeout < 0)
|
|
timeout = 0;
|
|
krb5_free_creds(context, cred);
|
|
return timeout;
|
|
}
|
|
|
|
struct renew_ctx {
|
|
krb5_context context;
|
|
krb5_ccache ccache;
|
|
krb5_principal principal;
|
|
krb5_deltat ticket_life;
|
|
};
|
|
|
|
static time_t
|
|
renew_func(void *ptr)
|
|
{
|
|
struct renew_ctx *ctx = ptr;
|
|
krb5_error_code ret;
|
|
time_t expire;
|
|
int new_tickets = 0;
|
|
|
|
if (renewable_flag) {
|
|
ret = renew_validate(ctx->context, renewable_flag, validate_flag,
|
|
ctx->ccache, server_str, ctx->ticket_life);
|
|
if (ret)
|
|
new_tickets = 1;
|
|
} else
|
|
new_tickets = 1;
|
|
|
|
if (new_tickets)
|
|
get_new_tickets(ctx->context, ctx->principal,
|
|
ctx->ccache, ctx->ticket_life, 0);
|
|
|
|
#ifndef NO_AFS
|
|
if(do_afslog && k_hasafs())
|
|
krb5_afslog(ctx->context, ctx->ccache, NULL, NULL);
|
|
#endif
|
|
|
|
expire = ticket_lifetime(ctx->context, ctx->ccache, ctx->principal,
|
|
server_str) / 2;
|
|
return expire + 1;
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_context context;
|
|
krb5_ccache ccache;
|
|
krb5_principal principal;
|
|
int optidx = 0;
|
|
krb5_deltat ticket_life = 0;
|
|
int parseflags = 0;
|
|
|
|
setprogname (argv[0]);
|
|
|
|
setlocale (LC_ALL, "");
|
|
bindtextdomain ("heimdal_kuser", HEIMDAL_LOCALEDIR);
|
|
textdomain("heimdal_kuser");
|
|
|
|
ret = krb5_init_context (&context);
|
|
if (ret == KRB5_CONFIG_BADFORMAT)
|
|
errx (1, "krb5_init_context failed to parse configuration file");
|
|
else if (ret)
|
|
errx(1, "krb5_init_context failed: %d", ret);
|
|
|
|
if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
|
|
usage(1);
|
|
|
|
if (help_flag)
|
|
usage (0);
|
|
|
|
if(version_flag) {
|
|
print_version(NULL);
|
|
exit(0);
|
|
}
|
|
|
|
argc -= optidx;
|
|
argv += optidx;
|
|
|
|
if (canonicalize_flag || enterprise_flag)
|
|
parseflags |= KRB5_PRINCIPAL_PARSE_ENTERPRISE;
|
|
|
|
if (pk_enterprise_flag) {
|
|
ret = krb5_pk_enterprise_cert(context, pk_user_id,
|
|
argv[0], &principal,
|
|
&ent_user_id);
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb5_pk_enterprise_certs");
|
|
|
|
pk_user_id = NULL;
|
|
|
|
} else if (anonymous_flag) {
|
|
|
|
ret = krb5_make_principal(context, &principal, argv[0],
|
|
KRB5_WELLKNOWN_NAME, KRB5_ANON_NAME,
|
|
NULL);
|
|
if (ret)
|
|
krb5_err(context, 1, ret, "krb5_make_principal");
|
|
krb5_principal_set_type(context, principal, KRB5_NT_WELLKNOWN);
|
|
|
|
} else {
|
|
if (argv[0]) {
|
|
ret = krb5_parse_name_flags (context, argv[0], parseflags,
|
|
&principal);
|
|
if (ret)
|
|
krb5_err (context, 1, ret, "krb5_parse_name");
|
|
} else {
|
|
ret = krb5_get_default_principal (context, &principal);
|
|
if (ret)
|
|
krb5_err (context, 1, ret, "krb5_get_default_principal");
|
|
}
|
|
}
|
|
|
|
if(fcache_version)
|
|
krb5_set_fcache_version(context, fcache_version);
|
|
|
|
if(renewable_flag == -1)
|
|
/* this seems somewhat pointless, but whatever */
|
|
krb5_appdefault_boolean(context, "kinit",
|
|
krb5_principal_get_realm(context, principal),
|
|
"renewable", FALSE, &renewable_flag);
|
|
if(do_afslog == -1)
|
|
krb5_appdefault_boolean(context, "kinit",
|
|
krb5_principal_get_realm(context, principal),
|
|
"afslog", TRUE, &do_afslog);
|
|
|
|
if(cred_cache)
|
|
ret = krb5_cc_resolve(context, cred_cache, &ccache);
|
|
else {
|
|
if(argc > 1) {
|
|
char s[1024];
|
|
ret = krb5_cc_new_unique(context, NULL, NULL, &ccache);
|
|
if(ret)
|
|
krb5_err(context, 1, ret, "creating cred cache");
|
|
snprintf(s, sizeof(s), "%s:%s",
|
|
krb5_cc_get_type(context, ccache),
|
|
krb5_cc_get_name(context, ccache));
|
|
setenv("KRB5CCNAME", s, 1);
|
|
} else {
|
|
ret = krb5_cc_cache_match(context, principal, &ccache);
|
|
if (ret) {
|
|
const char *type;
|
|
ret = krb5_cc_default (context, &ccache);
|
|
if (ret)
|
|
krb5_err (context, 1, ret, N_("resolving credentials cache", ""));
|
|
|
|
/*
|
|
* Check if the type support switching, and we do,
|
|
* then do that instead over overwriting the current
|
|
* default credential
|
|
*/
|
|
type = krb5_cc_get_type(context, ccache);
|
|
if (krb5_cc_support_switch(context, type)) {
|
|
krb5_cc_close(context, ccache);
|
|
ret = krb5_cc_new_unique(context, type, NULL, &ccache);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (ret)
|
|
krb5_err (context, 1, ret, N_("resolving credentials cache", ""));
|
|
|
|
#ifndef NO_AFS
|
|
if(argc > 1 && k_hasafs ())
|
|
k_setpag();
|
|
#endif
|
|
|
|
if (lifetime) {
|
|
int tmp = parse_time (lifetime, "s");
|
|
if (tmp < 0)
|
|
errx (1, N_("unparsable time: %s", ""), lifetime);
|
|
|
|
ticket_life = tmp;
|
|
}
|
|
|
|
if(addrs_flag == 0 && extra_addresses.num_strings > 0)
|
|
krb5_errx(context, 1,
|
|
N_("specifying both extra addresses and "
|
|
"no addresses makes no sense", ""));
|
|
{
|
|
int i;
|
|
krb5_addresses addresses;
|
|
memset(&addresses, 0, sizeof(addresses));
|
|
for(i = 0; i < extra_addresses.num_strings; i++) {
|
|
ret = krb5_parse_address(context, extra_addresses.strings[i],
|
|
&addresses);
|
|
if (ret == 0) {
|
|
krb5_add_extra_addresses(context, &addresses);
|
|
krb5_free_addresses(context, &addresses);
|
|
}
|
|
}
|
|
free_getarg_strings(&extra_addresses);
|
|
}
|
|
|
|
if(renew_flag || validate_flag) {
|
|
ret = renew_validate(context, renew_flag, validate_flag,
|
|
ccache, server_str, ticket_life);
|
|
exit(ret != 0);
|
|
}
|
|
|
|
get_new_tickets(context, principal, ccache, ticket_life, 1);
|
|
|
|
#ifndef NO_AFS
|
|
if(do_afslog && k_hasafs())
|
|
krb5_afslog(context, ccache, NULL, NULL);
|
|
#endif
|
|
if(argc > 1) {
|
|
struct renew_ctx ctx;
|
|
time_t timeout;
|
|
|
|
timeout = ticket_lifetime(context, ccache, principal, server_str) / 2;
|
|
|
|
ctx.context = context;
|
|
ctx.ccache = ccache;
|
|
ctx.principal = principal;
|
|
ctx.ticket_life = ticket_life;
|
|
|
|
ret = simple_execvp_timed(argv[1], argv+1,
|
|
renew_func, &ctx, timeout);
|
|
#define EX_NOEXEC 126
|
|
#define EX_NOTFOUND 127
|
|
if(ret == EX_NOEXEC)
|
|
krb5_warnx(context, N_("permission denied: %s", ""), argv[1]);
|
|
else if(ret == EX_NOTFOUND)
|
|
krb5_warnx(context, N_("command not found: %s", ""), argv[1]);
|
|
|
|
krb5_cc_destroy(context, ccache);
|
|
#ifndef NO_AFS
|
|
if(k_hasafs())
|
|
k_unlog();
|
|
#endif
|
|
} else {
|
|
krb5_cc_close (context, ccache);
|
|
ret = 0;
|
|
}
|
|
krb5_free_principal(context, principal);
|
|
krb5_free_context (context);
|
|
return ret;
|
|
}
|