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usr / src / crypto / heimdal / lib / krb5 /

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📄 Makefile.am(7.68 KB)
📄 Makefile.in(224.98 KB)
📄 acache.c(26.87 KB)
📄 acl.c(7.58 KB)
📄 add_et_list.c(2.2 KB)
📄 addr_families.c(38.89 KB)
📄 aes-test.c(22.56 KB)
📄 aname_to_localname.c(2.83 KB)
📄 appdefault.c(4.41 KB)
📄 asn1_glue.c(2.37 KB)
📄 auth_context.c(14.97 KB)
📄 build_ap_req.c(2.77 KB)
📄 build_auth.c(5.5 KB)
📄 cache.c(41.88 KB)
📄 ccache_plugin.h(1.67 KB)
📄 changepw.c(20.59 KB)
📄 codec.c(6.1 KB)
📄 config_file.c(31.7 KB)
📄 constants.c(2.51 KB)
📄 context.c(37.71 KB)
📄 convert_creds.c(3.46 KB)
📄 copy_host_realm.c(2.66 KB)
📄 crc.c(2.19 KB)
📄 creds.c(8.75 KB)
📄 crypto-aes.c(4.62 KB)
📄 crypto-algs.c(3.04 KB)
📄 crypto-arcfour.c(8.78 KB)
📄 crypto-des-common.c(4.37 KB)
📄 crypto-des.c(8.8 KB)
📄 crypto-des3.c(5.36 KB)
📄 crypto-evp.c(5.45 KB)
📄 crypto-null.c(2.55 KB)
📄 crypto-pk.c(8.4 KB)
📄 crypto-rand.c(3.43 KB)
📄 crypto-stubs.c(3.1 KB)
📄 crypto.c(66.51 KB)
📄 crypto.h(6.5 KB)
📄 data.c(5.66 KB)
📄 deprecated.c(14.72 KB)
📄 derived-key-test.c(6.48 KB)
📄 digest.c(31.6 KB)
📄 doxygen.c(25.72 KB)
📄 eai_to_heim_errno.c(3.46 KB)
📄 error_string.c(8.93 KB)
📄 expand_hostname.c(5.59 KB)
📄 expand_path.c(12.35 KB)
📄 fcache.c(25.36 KB)
📄 free.c(2.01 KB)
📄 free_host_realm.c(2.1 KB)
📄 generate_seq_number.c(2.03 KB)
📄 generate_subkey.c(2.6 KB)
📄 get_addrs.c(8.2 KB)
📄 get_cred.c(38.45 KB)
📄 get_default_principal.c(4.47 KB)
📄 get_default_realm.c(2.74 KB)
📄 get_for_creds.c(13.48 KB)
📄 get_host_realm.c(7.06 KB)
📄 get_in_tkt.c(14.45 KB)
📄 get_port.c(2.04 KB)
📄 heim_err.et(1.7 KB)
📄 init_creds.c(12.11 KB)
📄 init_creds_pw.c(52.57 KB)
📄 k524_err.et(577 B)
📄 kcm.c(26.55 KB)
📄 kcm.h(2.83 KB)
📄 kerberos.8(4.14 KB)
📄 keyblock.c(5.31 KB)
📄 keytab.c(23.88 KB)
📄 keytab_any.c(6.48 KB)
📄 keytab_file.c(19.7 KB)
📄 keytab_keyfile.c(10.74 KB)
📄 keytab_memory.c(6.29 KB)
📄 krb5-private.h(12.91 KB)
📄 krb5-protos.h(113.43 KB)
📄 krb5-v4compat.h(4.44 KB)
📄 krb5.conf.5(18.31 KB)
📄 krb5.h(29.75 KB)
📄 krb5.moduli(1.11 KB)
📄 krb524_convert_creds_kdc.3(3.12 KB)
📄 krb5_425_conv_principal.3(7.02 KB)
📄 krb5_acl_match_file.3(3.49 KB)
📄 krb5_aname_to_localname.3(2.87 KB)
📄 krb5_appdefault.3(3.08 KB)
📄 krb5_auth_context.3(10.8 KB)
📄 krb5_c_make_checksum.3(6.92 KB)
📄 krb5_ccapi.h(7.52 KB)
📄 krb5_check_transited.3(3.28 KB)
📄 krb5_create_checksum.3(6.02 KB)
📄 krb5_creds.3(3.31 KB)
📄 krb5_digest.3(6.57 KB)
📄 krb5_eai_to_heim_errno.3(2.4 KB)
📄 krb5_encrypt.3(7 KB)
📄 krb5_err.et(12.86 KB)
📄 krb5_find_padata.3(2.53 KB)
📄 krb5_generate_random_block.3(2.1 KB)
📄 krb5_get_all_client_addrs.3(2.83 KB)
📄 krb5_get_credentials.3(5.03 KB)
📄 krb5_get_creds.3(5.28 KB)
📄 krb5_get_forwarded_creds.3(2.74 KB)
📄 krb5_get_in_cred.3(7.46 KB)
📄 krb5_get_init_creds.3(11.03 KB)
📄 krb5_get_krbhst.3(3.26 KB)
📄 krb5_getportbyname.3(2.32 KB)
📄 krb5_init_context.3(7.88 KB)
📄 krb5_is_thread_safe.3(2.24 KB)
📄 krb5_krbhst_init.3(5.67 KB)
📄 krb5_locl.h(8.47 KB)
📄 krb5_mk_req.3(5.18 KB)
📄 krb5_mk_safe.3(2.78 KB)
📄 krb5_openlog.3(7.96 KB)
📄 krb5_parse_name.3(2.57 KB)
📄 krb5_principal.3(11.85 KB)
📄 krb5_rcache.3(4.21 KB)
📄 krb5_rd_error.3(3.33 KB)
📄 krb5_rd_safe.3(2.77 KB)
📄 krb5_set_default_realm.3(4.29 KB)
📄 krb5_set_password.3(4.11 KB)
📄 krb5_string_to_key.3(4.39 KB)
📄 krb5_timeofday.3(3.33 KB)
📄 krb5_verify_init_creds.3(3.51 KB)
📄 krb5_verify_user.3(6.71 KB)
📄 krb_err.et(2.55 KB)
📄 krbhst-test.c(3.02 KB)
📄 krbhst.c(26.94 KB)
📄 kuserok.c(8.14 KB)
📄 locate_plugin.h(2.36 KB)
📄 log.c(11.94 KB)
📄 mcache.c(11.54 KB)
📄 misc.c(3.9 KB)
📄 mit_glue.c(11.14 KB)
📄 mk_error.c(3.23 KB)
📄 mk_priv.c(4.54 KB)
📄 mk_rep.c(3.99 KB)
📄 mk_req.c(3.58 KB)
📄 mk_req_ext.c(4.78 KB)
📄 mk_safe.c(4.36 KB)
📄 n-fold-test.c(4.14 KB)
📄 n-fold.c(3.8 KB)
📄 net_read.c(1.86 KB)
📄 net_write.c(3.05 KB)
📄 pac.c(28.37 KB)
📄 padata.c(2.35 KB)
📄 parse-name-test.c(5.81 KB)
📄 pcache.c(2.33 KB)
📄 pkinit.c(63.8 KB)
📄 plugin.c(13.71 KB)
📄 principal.c(28.4 KB)
📄 prog_setup.c(2.34 KB)
📄 prompter_posix.c(2.45 KB)
📄 rd_cred.c(9.44 KB)
📄 rd_error.c(3.83 KB)
📄 rd_priv.c(5.38 KB)
📄 rd_rep.c(3.72 KB)
📄 rd_req.c(25.6 KB)
📄 rd_safe.c(6.34 KB)
📄 read_message.c(3.22 KB)
📄 recvauth.c(6.16 KB)
📄 replay.c(8.24 KB)
📄 salt-aes.c(3.34 KB)
📄 salt-arcfour.c(3.24 KB)
📄 salt-des.c(6.68 KB)
📄 salt-des3.c(4.36 KB)
📄 salt.c(9 KB)
📄 scache.c(32.86 KB)
📄 send_to_kdc.c(16.06 KB)
📄 send_to_kdc_plugin.h(2.22 KB)
📄 sendauth.c(6.12 KB)
📄 set_default_realm.c(3.01 KB)
📄 sock_principal.c(2.52 KB)
📄 store-int.c(2.14 KB)
📄 store-int.h(2.07 KB)
📄 store-test.c(3.63 KB)
📄 store.c(35.77 KB)
📄 store_emem.c(5.06 KB)
📄 store_fd.c(3.4 KB)
📄 store_mem.c(5.42 KB)
📄 string-to-key-test.c(5.75 KB)
📄 test_acl.c(4.56 KB)
📄 test_addr.c(7.27 KB)
📄 test_alname.c(4.28 KB)
📄 test_cc.c(19.39 KB)
📄 test_config.c(7.92 KB)
📄 test_crypto.c(5.68 KB)
📄 test_crypto_wrapping.c(4.48 KB)
📄 test_forward.c(3.64 KB)
📄 test_get_addrs.c(3.21 KB)
📄 test_hostname.c(3.82 KB)
📄 test_keytab.c(7.42 KB)
📄 test_kuserok.c(2.9 KB)
📄 test_mem.c(2.21 KB)
📄 test_pac.c(15.1 KB)
📄 test_pkinit_dh2key.c(6.9 KB)
📄 test_plugin.c(3.4 KB)
📄 test_prf.c(3.21 KB)
📄 test_princ.c(10.44 KB)
📄 test_renew.c(3.22 KB)
📄 test_store.c(7.96 KB)
📄 test_time.c(2.57 KB)
📄 ticket.c(21.91 KB)
📄 time.c(3.84 KB)
📄 transited.c(11.11 KB)
📄 verify_init.c(6.47 KB)
📄 verify_krb5_conf.8(3.41 KB)
📄 verify_krb5_conf.c(20.63 KB)
📄 verify_user.c(7 KB)
📄 version-script.map(18.82 KB)
📄 version.c(1.71 KB)
📄 warn.c(8.98 KB)
📄 write_message.c(2.87 KB)

Editing: verify_init.c

/*
 * Copyright (c) 1997 - 2008 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * 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 "krb5_locl.h"

KRB5_LIB_FUNCTION void KRB5_LIB_CALL
krb5_verify_init_creds_opt_init(krb5_verify_init_creds_opt *options)
{
    memset (options, 0, sizeof(*options));
}

KRB5_LIB_FUNCTION void KRB5_LIB_CALL
krb5_verify_init_creds_opt_set_ap_req_nofail(krb5_verify_init_creds_opt *options,
					     int ap_req_nofail)
{
    options->flags |= KRB5_VERIFY_INIT_CREDS_OPT_AP_REQ_NOFAIL;
    options->ap_req_nofail = ap_req_nofail;
}

/*
 *
 */

static krb5_boolean
fail_verify_is_ok (krb5_context context,
		   krb5_verify_init_creds_opt *options)
{
    if ((options->flags & KRB5_VERIFY_INIT_CREDS_OPT_AP_REQ_NOFAIL
	 && options->ap_req_nofail != 0)
	|| krb5_config_get_bool (context,
				 NULL,
				 "libdefaults",
				 "verify_ap_req_nofail",
				 NULL))
	return FALSE;
    else
	return TRUE;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_verify_init_creds(krb5_context context,
		       krb5_creds *creds,
		       krb5_principal ap_req_server,
		       krb5_keytab ap_req_keytab,
		       krb5_ccache *ccache,
		       krb5_verify_init_creds_opt *options)
{
    krb5_error_code ret;
    krb5_data req;
    krb5_ccache local_ccache = NULL;
    krb5_creds *new_creds = NULL;
    krb5_auth_context auth_context = NULL;
    krb5_principal server = NULL;
    krb5_keytab keytab = NULL;

krb5_data_zero (&req);

if (ap_req_server == NULL) {
	char local_hostname[MAXHOSTNAMELEN];

if (gethostname (local_hostname, sizeof(local_hostname)) < 0) {
	    ret = errno;
	    krb5_set_error_message (context, ret, "gethostname: %s",
				    strerror(ret));
	    return ret;
	}

ret = krb5_sname_to_principal (context,
				       local_hostname,
				       "host",
				       KRB5_NT_SRV_HST,
				       &server);
	if (ret)
	    goto cleanup;
    } else
	server = ap_req_server;

if (ap_req_keytab == NULL) {
	ret = krb5_kt_default (context, &keytab);
	if (ret)
	    goto cleanup;
    } else
	keytab = ap_req_keytab;

if (ccache && *ccache)
	local_ccache = *ccache;
    else {
	ret = krb5_cc_new_unique(context, krb5_cc_type_memory,
				 NULL, &local_ccache);
	if (ret)
	    goto cleanup;
	ret = krb5_cc_initialize (context,
				  local_ccache,
				  creds->client);
	if (ret)
	    goto cleanup;
	ret = krb5_cc_store_cred (context,
				  local_ccache,
				  creds);
	if (ret)
	    goto cleanup;
    }

if (!krb5_principal_compare (context, server, creds->server)) {
	krb5_creds match_cred;

memset (&match_cred, 0, sizeof(match_cred));

match_cred.client = creds->client;
	match_cred.server = server;

ret = krb5_get_credentials (context,
				    0,
				    local_ccache,
				    &match_cred,
				    &new_creds);
	if (ret) {
	    if (fail_verify_is_ok (context, options))
		ret = 0;
	    goto cleanup;
	}
	creds = new_creds;
    }

ret = krb5_mk_req_extended (context,
				&auth_context,
				0,
				NULL,
				creds,
				&req);

krb5_auth_con_free (context, auth_context);
    auth_context = NULL;

if (ret)
	goto cleanup;

ret = krb5_rd_req (context,
		       &auth_context,
		       &req,
		       server,
		       keytab,
		       0,
		       NULL);

if (ret == KRB5_KT_NOTFOUND && fail_verify_is_ok (context, options))
	ret = 0;
cleanup:
    if (auth_context)
	krb5_auth_con_free (context, auth_context);
    krb5_data_free (&req);
    if (new_creds != NULL)
	krb5_free_creds (context, new_creds);
    if (ap_req_server == NULL && server)
	krb5_free_principal (context, server);
    if (ap_req_keytab == NULL && keytab)
	krb5_kt_close (context, keytab);
    if (local_ccache != NULL
	&&
	(ccache == NULL
	 || (ret != 0 && *ccache == NULL)))
	krb5_cc_destroy (context, local_ccache);

if (ret == 0 && ccache != NULL && *ccache == NULL)
	*ccache = local_ccache;

return ret;
}

/**
 * Validate the newly fetch credential, see also krb5_verify_init_creds().
 *
 * @param context a Kerberos 5 context
 * @param creds the credentials to verify
 * @param client the client name to match up
 * @param ccache the credential cache to use
 * @param service a service name to use, used with
 *        krb5_sname_to_principal() to build a hostname to use to
 *        verify.
 *
 * @ingroup krb5_ccache
 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_get_validated_creds(krb5_context context,
			 krb5_creds *creds,
			 krb5_principal client,
			 krb5_ccache ccache,
			 char *service)
{
    krb5_verify_init_creds_opt vopt;
    krb5_principal server;
    krb5_error_code ret;

if (krb5_principal_compare(context, creds->client, client) != TRUE) {
	krb5_set_error_message(context, KRB5_PRINC_NOMATCH,
			       N_("Validation credentials and client "
				  "doesn't match", ""));
	return KRB5_PRINC_NOMATCH;
    }

ret = krb5_sname_to_principal (context, NULL, service,
				   KRB5_NT_SRV_HST, &server);
    if(ret)
	return ret;

krb5_verify_init_creds_opt_init(&vopt);

ret = krb5_verify_init_creds(context, creds, server, NULL, NULL, &vopt);
    krb5_free_principal(context, server);

return ret;
}

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Editing: verify_init.c

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