summaryrefslogtreecommitdiff
path: root/crypto/heimdal/kdc/hprop.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/heimdal/kdc/hprop.c')
-rw-r--r--crypto/heimdal/kdc/hprop.c676
1 files changed, 0 insertions, 676 deletions
diff --git a/crypto/heimdal/kdc/hprop.c b/crypto/heimdal/kdc/hprop.c
deleted file mode 100644
index 3be6a6f589740..0000000000000
--- a/crypto/heimdal/kdc/hprop.c
+++ /dev/null
@@ -1,676 +0,0 @@
-/*
- * Copyright (c) 1997, 1998, 1999 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 "hprop.h"
-
-RCSID("$Id: hprop.c,v 1.40 1999/12/04 18:02:18 assar Exp $");
-
-static int version_flag;
-static int help_flag;
-static char *ktname = HPROP_KEYTAB;
-static char *database;
-static char *mkeyfile;
-static int to_stdout;
-static int verbose_flag;
-static int encrypt_flag;
-static int decrypt_flag;
-static EncryptionKey mkey5;
-static krb5_data msched5;
-
-static int v4_db;
-static int ka_db;
-static char *afs_cell;
-
-#ifdef KRB4
-static char *realm;
-
-#ifdef KASERVER_DB
-static int kaspecials_flag;
-#endif
-#endif
-
-static int
-open_socket(krb5_context context, const char *hostname)
-{
- struct addrinfo *ai, *a;
- struct addrinfo hints;
- int error;
- char portstr[NI_MAXSERV];
-
- memset (&hints, 0, sizeof(hints));
- hints.ai_socktype = SOCK_STREAM;
- hints.ai_protocol = IPPROTO_TCP;
-
- snprintf (portstr, sizeof(portstr),
- "%u",
- ntohs(krb5_getportbyname (context, "hprop", "tcp", HPROP_PORT)));
-
- error = getaddrinfo (hostname, portstr, &hints, &ai);
- if (error) {
- warnx ("%s: %s", hostname, gai_strerror(error));
- return -1;
- }
-
- for (a = ai; a != NULL; a = a->ai_next) {
- int s;
-
- s = socket (a->ai_family, a->ai_socktype, a->ai_protocol);
- if (s < 0)
- continue;
- if (connect (s, a->ai_addr, a->ai_addrlen) < 0) {
- warn ("connect(%s)", hostname);
- close (s);
- continue;
- }
- freeaddrinfo (ai);
- return s;
- }
- warnx ("failed to contact %s", hostname);
- freeaddrinfo (ai);
- return -1;
-}
-
-struct prop_data{
- krb5_context context;
- krb5_auth_context auth_context;
- int sock;
-};
-
-int hdb_entry2value(krb5_context, hdb_entry*, krb5_data*);
-
-static krb5_error_code
-v5_prop(krb5_context context, HDB *db, hdb_entry *entry, void *appdata)
-{
- krb5_error_code ret;
- struct prop_data *pd = appdata;
- krb5_data data;
-
- if(encrypt_flag)
- _hdb_seal_keys_int(entry, 0, msched5);
- if(decrypt_flag)
- _hdb_unseal_keys_int(entry, 0, msched5);
-
- ret = hdb_entry2value(context, entry, &data);
- if(ret) return ret;
-
- if(to_stdout)
- ret = send_clear(context, STDOUT_FILENO, data);
- else
- ret = send_priv(context, pd->auth_context, &data, pd->sock);
- krb5_data_free(&data);
- return ret;
-}
-
-#ifdef KRB4
-static des_cblock mkey4;
-static des_key_schedule msched4;
-static char realm_buf[REALM_SZ];
-
-static int
-v4_prop(void *arg, Principal *p)
-{
- struct prop_data *pd = arg;
- hdb_entry ent;
- krb5_error_code ret;
-
- memset(&ent, 0, sizeof(ent));
-
- ret = krb5_425_conv_principal(pd->context, p->name, p->instance, realm,
- &ent.principal);
- if(ret){
- krb5_warn(pd->context, ret,
- "krb5_425_conv_principal %s.%s@%s",
- p->name, p->instance, realm);
- return 0;
- }
-
- if(verbose_flag) {
- char *s;
- krb5_unparse_name_short(pd->context, ent.principal, &s);
- krb5_warnx(pd->context, "%s.%s -> %s", p->name, p->instance, s);
- free(s);
- }
-
- ent.kvno = p->key_version;
- ent.keys.len = 3;
- ent.keys.val = malloc(ent.keys.len * sizeof(*ent.keys.val));
- ent.keys.val[0].mkvno = NULL;
-#if 0
- ent.keys.val[0].mkvno = malloc (sizeof(*ent.keys.val[0].mkvno));
- *(ent.keys.val[0].mkvno) = p->kdc_key_ver; /* XXX */
-#endif
- ent.keys.val[0].salt = calloc(1, sizeof(*ent.keys.val[0].salt));
- ent.keys.val[0].salt->type = pa_pw_salt;
- ent.keys.val[0].key.keytype = ETYPE_DES_CBC_MD5;
- krb5_data_alloc(&ent.keys.val[0].key.keyvalue, sizeof(des_cblock));
-
- {
- unsigned char *key = ent.keys.val[0].key.keyvalue.data;
- unsigned char null_key[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
- memcpy(key, &p->key_low, 4);
- memcpy(key + 4, &p->key_high, 4);
- kdb_encrypt_key((des_cblock*)key, (des_cblock*)key,
- &mkey4, msched4, DES_DECRYPT);
- if(memcmp(key, null_key, sizeof(null_key)) == 0) {
- free_Key(&ent.keys.val[0]);
- ent.keys.val = 0;
- ent.flags.invalid = 1;
- }
- }
- copy_Key(&ent.keys.val[0], &ent.keys.val[1]);
- ent.keys.val[1].key.keytype = ETYPE_DES_CBC_MD4;
- copy_Key(&ent.keys.val[0], &ent.keys.val[2]);
- ent.keys.val[2].key.keytype = ETYPE_DES_CBC_CRC;
-
- ALLOC(ent.max_life);
- *ent.max_life = krb_life_to_time(0, p->max_life);
- if(*ent.max_life == NEVERDATE){
- free(ent.max_life);
- ent.max_life = NULL;
- }
-
- ALLOC(ent.pw_end);
- *ent.pw_end = p->exp_date;
- ret = krb5_make_principal(pd->context, &ent.created_by.principal,
- realm,
- "kadmin",
- "hprop",
- NULL);
- if(ret){
- krb5_warn(pd->context, ret, "krb5_make_principal");
- ret = 0;
- goto out;
- }
- ent.created_by.time = time(NULL);
- ALLOC(ent.modified_by);
- ret = krb5_425_conv_principal(pd->context, p->mod_name, p->mod_instance,
- realm, &ent.modified_by->principal);
- if(ret){
- krb5_warn(pd->context, ret, "%s.%s@%s", p->name, p->instance, realm);
- ent.modified_by->principal = NULL;
- ret = 0;
- goto out;
- }
- ent.modified_by->time = p->mod_date;
-
- ent.flags.forwardable = 1;
- ent.flags.renewable = 1;
- ent.flags.proxiable = 1;
- ent.flags.postdate = 1;
- ent.flags.client = 1;
- ent.flags.server = 1;
-
- /* special case password changing service */
- if(strcmp(p->name, "changepw") == 0 &&
- strcmp(p->instance, "kerberos") == 0) {
- ent.flags.forwardable = 0;
- ent.flags.renewable = 0;
- ent.flags.proxiable = 0;
- ent.flags.postdate = 0;
- ent.flags.initial = 1;
- ent.flags.change_pw = 1;
- }
-
- ret = v5_prop(pd->context, NULL, &ent, pd);
-
- if (strcmp (p->name, "krbtgt") == 0
- && strcmp (realm, p->instance) != 0) {
- krb5_free_principal (pd->context, ent.principal);
- ret = krb5_425_conv_principal (pd->context, p->name,
- realm, p->instance,
- &ent.principal);
- if (ret == 0)
- ret = v5_prop (pd->context, NULL, &ent, pd);
- }
-
-out:
- hdb_free_entry(pd->context, &ent);
- return ret;
-}
-
-#ifdef KASERVER_DB
-
-#include "kadb.h"
-
-/* read a `ka_entry' from `fd' at offset `pos' */
-static void
-read_block(krb5_context context, int fd, int32_t pos, void *buf, size_t len)
-{
- krb5_error_code ret;
- if(lseek(fd, 64 + pos, SEEK_SET) == (off_t)-1)
- krb5_err(context, 1, errno, "lseek(%u)", 64 + pos);
- ret = read(fd, buf, len);
- if(ret < 0)
- krb5_err(context, 1, errno, "read(%u)", len);
- if(ret != len)
- krb5_errx(context, 1, "read(%u) = %u", len, ret);
-}
-
-static int
-ka_convert(struct prop_data *pd, int fd, struct ka_entry *ent,
- const char *cell)
-{
- int32_t flags = ntohl(ent->flags);
- krb5_error_code ret;
- hdb_entry hdb;
-
- if(!kaspecials_flag
- && (flags & KAFNORMAL) == 0) /* remove special entries */
- return 0;
- memset(&hdb, 0, sizeof(hdb));
- ret = krb5_425_conv_principal(pd->context, ent->name, ent->instance, realm,
- &hdb.principal);
- if(ret) {
- krb5_warn(pd->context, ret,
- "krb5_425_conv_principal (%s.%s@%s)",
- ent->name, ent->instance, realm);
- return 0;
- }
- hdb.kvno = ntohl(ent->kvno);
- hdb.keys.len = 3;
- hdb.keys.val = malloc(hdb.keys.len * sizeof(*hdb.keys.val));
- hdb.keys.val[0].mkvno = NULL;
- hdb.keys.val[0].salt = calloc(1, sizeof(*hdb.keys.val[0].salt));
- hdb.keys.val[0].salt->type = hdb_afs3_salt;
- hdb.keys.val[0].salt->salt.data = strdup(cell);
- hdb.keys.val[0].salt->salt.length = strlen(cell);
-
- hdb.keys.val[0].key.keytype = ETYPE_DES_CBC_MD5;
- krb5_data_copy(&hdb.keys.val[0].key.keyvalue, ent->key, sizeof(ent->key));
- copy_Key(&hdb.keys.val[0], &hdb.keys.val[1]);
- hdb.keys.val[1].key.keytype = ETYPE_DES_CBC_MD4;
- copy_Key(&hdb.keys.val[0], &hdb.keys.val[2]);
- hdb.keys.val[2].key.keytype = ETYPE_DES_CBC_CRC;
-
- ALLOC(hdb.max_life);
- *hdb.max_life = ntohl(ent->max_life);
-
- if(ntohl(ent->pw_end) != NEVERDATE && ntohl(ent->pw_end) != -1){
- ALLOC(hdb.pw_end);
- *hdb.pw_end = ntohl(ent->pw_end);
- }
-
- ret = krb5_make_principal(pd->context, &hdb.created_by.principal,
- realm,
- "kadmin",
- "hprop",
- NULL);
- hdb.created_by.time = time(NULL);
-
- if(ent->mod_ptr){
- struct ka_entry mod;
- ALLOC(hdb.modified_by);
- read_block(pd->context, fd, ntohl(ent->mod_ptr), &mod, sizeof(mod));
-
- krb5_425_conv_principal(pd->context, mod.name, mod.instance, realm,
- &hdb.modified_by->principal);
- hdb.modified_by->time = ntohl(ent->mod_time);
- memset(&mod, 0, sizeof(mod));
- }
-
- hdb.flags.forwardable = 1;
- hdb.flags.renewable = 1;
- hdb.flags.proxiable = 1;
- hdb.flags.postdate = 1;
- /* XXX - AFS 3.4a creates krbtgt.REALMOFCELL as NOTGS+NOSEAL */
- if (strcmp(ent->name, "krbtgt") == 0 &&
- (flags & (KAFNOTGS|KAFNOSEAL)) == (KAFNOTGS|KAFNOSEAL))
- flags &= ~(KAFNOTGS|KAFNOSEAL);
-
- hdb.flags.client = (flags & KAFNOTGS) == 0;
- hdb.flags.server = (flags & KAFNOSEAL) == 0;
-
- ret = v5_prop(pd->context, NULL, &hdb, pd);
- hdb_free_entry(pd->context, &hdb);
- return ret;
-}
-
-static int
-ka_dump(struct prop_data *pd, const char *file, const char *cell)
-{
- struct ka_header header;
- int i;
- int fd = open(file, O_RDONLY);
-
- if(fd < 0)
- krb5_err(pd->context, 1, errno, "open(%s)", file);
- read_block(pd->context, fd, 0, &header, sizeof(header));
- if(header.version1 != header.version2)
- krb5_errx(pd->context, 1, "Version mismatch in header: %d/%d",
- ntohl(header.version1), ntohl(header.version2));
- if(ntohl(header.version1) != 5)
- krb5_errx(pd->context, 1, "Unknown database version %d (expected 5)",
- ntohl(header.version1));
- for(i = 0; i < ntohl(header.hashsize); i++){
- int32_t pos = ntohl(header.hash[i]);
- while(pos){
- struct ka_entry ent;
- read_block(pd->context, fd, pos, &ent, sizeof(ent));
- ka_convert(pd, fd, &ent, cell);
- pos = ntohl(ent.next);
- }
- }
- return 0;
-}
-
-#endif /* KASERVER_DB */
-
-#endif /* KRB4 */
-
-
-struct getargs args[] = {
- { "master-key", 'm', arg_string, &mkeyfile, "v5 master key file", "file" },
-#ifdef KRB4
-#endif
- { "database", 'd', arg_string, &database, "database", "file" },
-#ifdef KRB4
- { "v4-db", '4', arg_flag, &v4_db, "use version 4 database" },
- { "v4-realm", 'r', arg_string, &realm, "v4 realm to use" },
-#endif
-#ifdef KASERVER_DB
- { "ka-db", 'K', arg_flag, &ka_db, "use kaserver database" },
- { "cell", 'c', arg_string, &afs_cell, "name of AFS cell" },
- { "kaspecials", 'S', arg_flag, &kaspecials_flag, "dump KASPECIAL keys"},
-#endif
- { "keytab", 'k', arg_string, &ktname, "keytab to use for authentication", "keytab" },
- { "decrypt", 'D', arg_flag, &decrypt_flag, "decrypt keys" },
- { "encrypt", 'E', arg_flag, &encrypt_flag, "encrypt keys" },
- { "stdout", 'n', arg_flag, &to_stdout, "dump to stdout" },
- { "verbose", 'v', arg_flag, &verbose_flag },
- { "version", 0, arg_flag, &version_flag },
- { "help", 'h', arg_flag, &help_flag }
-};
-
-static int num_args = sizeof(args) / sizeof(args[0]);
-
-static void
-usage(int ret)
-{
- arg_printusage (args, num_args, NULL, "host ...");
- exit (ret);
-}
-
-static void
-get_creds(krb5_context context, krb5_ccache *cache)
-{
- krb5_keytab keytab;
- krb5_principal client;
- krb5_error_code ret;
- krb5_get_init_creds_opt init_opts;
- krb5_preauthtype preauth = KRB5_PADATA_ENC_TIMESTAMP;
- krb5_creds creds;
-
- ret = krb5_kt_resolve(context, ktname, &keytab);
- if(ret) krb5_err(context, 1, ret, "krb5_kt_resolve");
-
- ret = krb5_make_principal(context, &client, NULL,
- "kadmin", HPROP_NAME, NULL);
- if(ret) krb5_err(context, 1, ret, "krb5_make_principal");
-
- krb5_get_init_creds_opt_init(&init_opts);
- krb5_get_init_creds_opt_set_preauth_list(&init_opts, &preauth, 1);
-
- ret = krb5_get_init_creds_keytab(context, &creds, client, keytab, 0, NULL, &init_opts);
- if(ret) krb5_err(context, 1, ret, "krb5_get_init_creds");
-
- ret = krb5_kt_close(context, keytab);
- if(ret) krb5_err(context, 1, ret, "krb5_kt_close");
-
- ret = krb5_cc_gen_new(context, &krb5_mcc_ops, cache);
- if(ret) krb5_err(context, 1, ret, "krb5_cc_gen_new");
-
- ret = krb5_cc_initialize(context, *cache, client);
- if(ret) krb5_err(context, 1, ret, "krb5_cc_initialize");
-
- ret = krb5_cc_store_cred(context, *cache, &creds);
- if(ret) krb5_err(context, 1, ret, "krb5_cc_store_cred");
-}
-
-static void
-iterate (krb5_context context,
- const char *database,
- const char *afs_cell,
- HDB *db,
- int v4_db, int ka_db,
- struct prop_data *pd)
-{
-#ifdef KRB4
- if(v4_db) {
- int e = kerb_db_iterate ((k_iter_proc_t)v4_prop, pd);
- if(e)
- krb5_errx(context, 1, "kerb_db_iterate: %s",
- krb_get_err_text(e));
-#ifdef KASERVER_DB
- } else if(ka_db) {
- int e = ka_dump(pd, database, afs_cell);
- if(e)
- krb5_errx(context, 1, "ka_dump: %s", krb_get_err_text(e));
-#endif
- } else
-#endif
- {
- krb5_error_code ret = hdb_foreach(context, db, HDB_F_DECRYPT,
- v5_prop, pd);
- if(ret)
- krb5_err(context, 1, ret, "hdb_foreach");
- }
-}
-
-static int
-dump_database (krb5_context context, int v4_db, int ka_db,
- const char *database, const char *afs_cell,
- HDB *db)
-{
- struct prop_data pd;
-
- pd.context = context;
- pd.auth_context = NULL;
- pd.sock = STDOUT_FILENO;
-
- iterate (context, database, afs_cell, db, v4_db, ka_db, &pd);
- return 0;
-}
-
-static int
-propagate_database (krb5_context context, int v4_db, int ka_db,
- const char *database, const char *afs_cell,
- HDB *db, krb5_ccache ccache,
- int optind, int argc, char **argv)
-{
- krb5_principal server;
- krb5_error_code ret;
- int i;
-
- for(i = optind; i < argc; i++){
- krb5_auth_context auth_context;
- int fd;
- struct prop_data pd;
- krb5_data data;
-
- fd = open_socket(context, argv[i]);
- if(fd < 0) {
- krb5_warn (context, errno, "connect %s", argv[i]);
- continue;
- }
-
- ret = krb5_sname_to_principal(context, argv[i],
- HPROP_NAME, KRB5_NT_SRV_HST, &server);
- if(ret) {
- krb5_warn(context, ret, "krb5_sname_to_principal(%s)", argv[i]);
- close(fd);
- continue;
- }
-
- auth_context = NULL;
- ret = krb5_sendauth(context,
- &auth_context,
- &fd,
- HPROP_VERSION,
- NULL,
- server,
- AP_OPTS_MUTUAL_REQUIRED,
- NULL, /* in_data */
- NULL, /* in_creds */
- ccache,
- NULL,
- NULL,
- NULL);
-
- if(ret) {
- krb5_warn(context, ret, "krb5_sendauth");
- close(fd);
- continue;
- }
-
- pd.context = context;
- pd.auth_context = auth_context;
- pd.sock = fd;
-
- iterate (context, database, afs_cell, db,
- v4_db, ka_db, &pd);
-
- data.data = NULL;
- data.length = 0;
- ret = send_priv(context, auth_context, &data, fd);
- if(ret)
- krb5_warn(context, ret, "send_priv");
-
- ret = recv_priv(context, auth_context, fd, &data);
- if(ret)
- krb5_warn(context, ret, "recv_priv");
- else
- krb5_data_free (&data);
-
- krb5_auth_con_free(context, auth_context);
- close(fd);
- }
- return 0;
-}
-
-int
-main(int argc, char **argv)
-{
- krb5_error_code ret;
- krb5_context context;
- krb5_ccache ccache;
- HDB *db;
- int optind = 0;
-
- set_progname(argv[0]);
-
- if(getarg(args, num_args, argc, argv, &optind))
- usage(1);
-
- if(help_flag)
- usage(0);
-
- if(version_flag){
- print_version(NULL);
- exit(0);
- }
-
- ret = krb5_init_context(&context);
- if(ret)
- exit(1);
-
- if(encrypt_flag && decrypt_flag)
- krb5_errx(context, 1,
- "Only one of `--encrypt' and `--decrypt' is meaningful");
-
- if(!to_stdout)
- get_creds(context, &ccache);
-
- ret = hdb_read_master_key(context, mkeyfile, &mkey5);
- if(ret && ret != ENOENT)
- krb5_err(context, 1, ret, "hdb_read_master_key");
- if(ret) {
- if(encrypt_flag || decrypt_flag)
- krb5_errx(context, 1, "No master key file found");
- } else {
- ret = hdb_process_master_key(context, mkey5, &msched5);
- if(ret)
- krb5_err(context, 1, ret, "hdb_process_master_key");
- }
-
-#ifdef KRB4
- if (v4_db
-#ifdef KASERVER_DB
- || ka_db
-#endif
-) {
- int e;
-
- if (realm == NULL) {
- e = krb_get_lrealm(realm_buf, 1);
- if(e)
- krb5_errx(context, 1, "krb_get_lrealm: %s",
- krb_get_err_text(e));
- realm = realm_buf;
- }
- }
-
- if(v4_db) {
- int e = kerb_db_set_name (database);
- if(e)
- krb5_errx(context, 1, "kerb_db_set_name: %s",
- krb_get_err_text(e));
- e = kdb_get_master_key(0, &mkey4, msched4);
- if(e)
- krb5_errx(context, 1, "kdb_get_master_key: %s",
- krb_get_err_text(e));
- } else
-#ifdef KASERVER_DB
- if (ka_db) {
- /* no preparation required */
- } else
-#endif
-#endif /* KRB4 */
- {
- ret = hdb_create (context, &db, database);
- if(ret)
- krb5_err(context, 1, ret, "hdb_create: %s", database);
- ret = db->open(context, db, O_RDONLY, 0);
- if(ret)
- krb5_err(context, 1, ret, "db->open");
- }
-
- if (to_stdout)
- dump_database (context, v4_db, ka_db,
- database, afs_cell, db);
- else
- propagate_database (context, v4_db, ka_db,
- database, afs_cell,
- db, ccache,
- optind, argc, argv);
- return 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-12 16:30:19 +0000