File Manager

003 File Manager

Current Path: /usr/src/crypto/heimdal/lib/krb5

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

📁 ..
📄 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: get_host_realm.c

/*
 * Copyright (c) 1997 - 2005 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"
#include <resolve.h>

/* To automagically find the correct realm of a host (without
 * [domain_realm] in krb5.conf) add a text record for your domain with
 * the name of your realm, like this:
 *
 * _kerberos	IN	TXT	"FOO.SE"
 *
 * The search is recursive, so you can add entries for specific
 * hosts. To find the realm of host a.b.c, it first tries
 * _kerberos.a.b.c, then _kerberos.b.c and so on.
 *
 * This method is described in draft-ietf-cat-krb-dns-locate-03.txt.
 *
 */

static int
copy_txt_to_realms (struct rk_resource_record *head,
		    krb5_realm **realms)
{
    struct rk_resource_record *rr;
    unsigned int n, i;

for(n = 0, rr = head; rr; rr = rr->next)
	if (rr->type == rk_ns_t_txt)
	    ++n;

if (n == 0)
	return -1;

*realms = malloc ((n + 1) * sizeof(krb5_realm));
    if (*realms == NULL)
	return -1;

for (i = 0; i < n + 1; ++i)
	(*realms)[i] = NULL;

for (i = 0, rr = head; rr; rr = rr->next) {
	if (rr->type == rk_ns_t_txt) {
	    char *tmp;

tmp = strdup(rr->u.txt);
	    if (tmp == NULL) {
		for (i = 0; i < n; ++i)
		    free ((*realms)[i]);
		free (*realms);
		return -1;
	    }
	    (*realms)[i] = tmp;
	    ++i;
	}
    }
    return 0;
}

static int
dns_find_realm(krb5_context context,
	       const char *domain,
	       krb5_realm **realms)
{
    static const char *default_labels[] = { "_kerberos", NULL };
    char dom[MAXHOSTNAMELEN];
    struct rk_dns_reply *r;
    const char **labels;
    char **config_labels;
    int i, ret;

config_labels = krb5_config_get_strings(context, NULL, "libdefaults",
					    "dns_lookup_realm_labels", NULL);
    if(config_labels != NULL)
	labels = (const char **)config_labels;
    else
	labels = default_labels;
    if(*domain == '.')
	domain++;
    for (i = 0; labels[i] != NULL; i++) {
	ret = snprintf(dom, sizeof(dom), "%s.%s.", labels[i], domain);
	if(ret < 0 || (size_t)ret >= sizeof(dom)) {
	    if (config_labels)
		krb5_config_free_strings(config_labels);
	    return -1;
	}
    	r = rk_dns_lookup(dom, "TXT");
    	if(r != NULL) {
	    ret = copy_txt_to_realms (r->head, realms);
	    rk_dns_free_data(r);
	    if(ret == 0) {
		if (config_labels)
		    krb5_config_free_strings(config_labels);
		return 0;
	    }
	}
    }
    if (config_labels)
	krb5_config_free_strings(config_labels);
    return -1;
}

/*
 * Try to figure out what realms host in `domain' belong to from the
 * configuration file.
 */

static int
config_find_realm(krb5_context context,
		  const char *domain,
		  krb5_realm **realms)
{
    char **tmp = krb5_config_get_strings (context, NULL,
					  "domain_realm",
					  domain,
					  NULL);

if (tmp == NULL)
	return -1;
    *realms = tmp;
    return 0;
}

/*
 * This function assumes that `host' is a FQDN (and doesn't handle the
 * special case of host == NULL either).
 * Try to find mapping in the config file or DNS and it that fails,
 * fall back to guessing
 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
_krb5_get_host_realm_int (krb5_context context,
			  const char *host,
			  krb5_boolean use_dns,
			  krb5_realm **realms)
{
    const char *p, *q;
    krb5_boolean dns_locate_enable;

dns_locate_enable = krb5_config_get_bool_default(context, NULL, TRUE,
	"libdefaults", "dns_lookup_realm", NULL);
    for (p = host; p != NULL; p = strchr (p + 1, '.')) {
	if(config_find_realm(context, p, realms) == 0) {
	    if(strcasecmp(*realms[0], "dns_locate") == 0) {
		if(use_dns)
		    for (q = host; q != NULL; q = strchr(q + 1, '.'))
			if(dns_find_realm(context, q, realms) == 0)
			    return 0;
		continue;
	    } else
	    	return 0;
	}
	else if(use_dns && dns_locate_enable) {
	    if(dns_find_realm(context, p, realms) == 0)
		return 0;
	}
    }
    p = strchr(host, '.');
    if(p != NULL) {
	p++;
	*realms = malloc(2 * sizeof(krb5_realm));
	if (*realms == NULL) {
	    krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	    return ENOMEM;
	}

(*realms)[0] = strdup(p);
	if((*realms)[0] == NULL) {
	    free(*realms);
	    krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	    return ENOMEM;
	}
	strupr((*realms)[0]);
	(*realms)[1] = NULL;
	return 0;
    }
    krb5_set_error_message(context, KRB5_ERR_HOST_REALM_UNKNOWN,
			   N_("unable to find realm of host %s", ""),
			   host);
    return KRB5_ERR_HOST_REALM_UNKNOWN;
}

/*
 * Return the realm(s) of `host' as a NULL-terminated list in
 * `realms'. Free `realms' with krb5_free_host_realm().
 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_get_host_realm(krb5_context context,
		    const char *targethost,
		    krb5_realm **realms)
{
    const char *host = targethost;
    char hostname[MAXHOSTNAMELEN];
    krb5_error_code ret;
    int use_dns;

if (host == NULL) {
	if (gethostname (hostname, sizeof(hostname))) {
	    *realms = NULL;
	    return errno;
	}
	host = hostname;
    }

/*
     * If our local hostname is without components, don't even try to dns.
     */

use_dns = (strchr(host, '.') != NULL);

ret = _krb5_get_host_realm_int (context, host, use_dns, realms);
    if (ret && targethost != NULL) {
	/*
	 * If there was no realm mapping for the host (and we wasn't
	 * looking for ourself), guess at the local realm, maybe our
	 * KDC knows better then we do and we get a referral back.
	 */
	ret = krb5_get_default_realms(context, realms);
	if (ret) {
	    krb5_set_error_message(context, KRB5_ERR_HOST_REALM_UNKNOWN,
				   N_("Unable to find realm of host %s", ""),
				   host);
	    return KRB5_ERR_HOST_REALM_UNKNOWN;
	}
    }
    return ret;
}

003 File Manager

Editing: get_host_realm.c

Upload File

Create Folder