aboutsummaryrefslogtreecommitdiff
path: root/crypto/heimdal/lib/kadm5/ipropd_slave.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/heimdal/lib/kadm5/ipropd_slave.c')
-rw-r--r--crypto/heimdal/lib/kadm5/ipropd_slave.c313
1 files changed, 313 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/kadm5/ipropd_slave.c b/crypto/heimdal/lib/kadm5/ipropd_slave.c
new file mode 100644
index 000000000000..76884eb00c89
--- /dev/null
+++ b/crypto/heimdal/lib/kadm5/ipropd_slave.c
@@ -0,0 +1,313 @@
+/*
+ * Copyright (c) 1997, 1998 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 "iprop.h"
+
+RCSID("$Id: ipropd_slave.c,v 1.10 1999/12/02 17:05:06 joda Exp $");
+
+static int
+connect_to_master (krb5_context context, const char *master)
+{
+ int fd;
+ struct sockaddr_in addr;
+ struct hostent *he;
+
+ fd = socket (AF_INET, SOCK_STREAM, 0);
+ if (fd < 0)
+ krb5_err (context, 1, errno, "socket AF_INET");
+ memset (&addr, 0, sizeof(addr));
+ addr.sin_family = AF_INET;
+ addr.sin_port = htons(4711);
+ he = roken_gethostbyname (master);
+ if (he == NULL)
+ krb5_errx (context, 1, "gethostbyname: %s", hstrerror(h_errno));
+ memcpy (&addr.sin_addr, he->h_addr, sizeof(addr.sin_addr));
+ if(connect(fd, (struct sockaddr *)&addr, sizeof(addr)) < 0)
+ krb5_err (context, 1, errno, "connect");
+ return fd;
+}
+
+static void
+get_creds(krb5_context context, krb5_ccache *cache, const char *host)
+{
+ krb5_keytab keytab;
+ krb5_principal client;
+ krb5_error_code ret;
+ krb5_get_init_creds_opt init_opts;
+#if 0
+ krb5_preauthtype preauth = KRB5_PADATA_ENC_TIMESTAMP;
+#endif
+ krb5_creds creds;
+ char my_hostname[128];
+ char *server;
+
+ ret = krb5_kt_default(context, &keytab);
+ if(ret) krb5_err(context, 1, ret, "krb5_kt_default");
+
+ gethostname (my_hostname, sizeof(my_hostname));
+ ret = krb5_sname_to_principal (context, my_hostname, IPROP_NAME,
+ KRB5_NT_SRV_HST, &client);
+ if (ret) krb5_err(context, 1, ret, "krb5_sname_to_principal");
+
+ krb5_get_init_creds_opt_init(&init_opts);
+#if 0
+ krb5_get_init_creds_opt_set_preauth_list(&init_opts, &preauth, 1);
+#endif
+
+ asprintf (&server, "%s/%s", IPROP_NAME, host);
+ if (server == NULL)
+ krb5_errx (context, 1, "malloc: no memory");
+
+ ret = krb5_get_init_creds_keytab(context, &creds, client, keytab,
+ 0, server, &init_opts);
+ free (server);
+ 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
+ihave (krb5_context context, krb5_auth_context auth_context,
+ int fd, u_int32_t version)
+{
+ int ret;
+ u_char buf[8];
+ krb5_storage *sp;
+ krb5_data data, priv_data;
+
+ sp = krb5_storage_from_mem (buf, 8);
+ krb5_store_int32 (sp, I_HAVE);
+ krb5_store_int32 (sp, version);
+ krb5_storage_free (sp);
+ data.length = 8;
+ data.data = buf;
+
+ ret = krb5_mk_priv (context, auth_context, &data, &priv_data, NULL);
+ if (ret)
+ krb5_err (context, 1, ret, "krb_mk_priv");
+
+ ret = krb5_write_message (context, &fd, &priv_data);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_write_message");
+
+ krb5_data_free (&priv_data);
+}
+
+static void
+receive (krb5_context context,
+ krb5_storage *sp,
+ kadm5_server_context *server_context)
+{
+ int ret;
+ off_t left, right;
+ void *buf;
+ int32_t vers;
+
+ ret = server_context->db->open(context,
+ server_context->db,
+ O_RDWR | O_CREAT, 0);
+ if (ret)
+ krb5_err (context, 1, ret, "db->open");
+
+ do {
+ int32_t len, timestamp, tmp;
+ enum kadm_ops op;
+
+ if(krb5_ret_int32 (sp, &vers) != 0)
+ return;
+ krb5_ret_int32 (sp, &timestamp);
+ krb5_ret_int32 (sp, &tmp);
+ op = tmp;
+ krb5_ret_int32 (sp, &len);
+ if (vers <= server_context->log_context.version)
+ sp->seek(sp, len, SEEK_CUR);
+ } while(vers <= server_context->log_context.version);
+
+ left = sp->seek (sp, -16, SEEK_CUR);
+ right = sp->seek (sp, 0, SEEK_END);
+ buf = malloc (right - left);
+ if (buf == NULL) {
+ krb5_warnx (context, "malloc: no memory");
+ return;
+ }
+ sp->seek (sp, left, SEEK_SET);
+ sp->fetch (sp, buf, right - left);
+ write (server_context->log_context.log_fd, buf, right-left);
+ fsync (server_context->log_context.log_fd);
+ free (buf);
+
+ sp->seek (sp, left, SEEK_SET);
+
+ for(;;) {
+ int32_t len, timestamp, tmp;
+ enum kadm_ops op;
+
+ if(krb5_ret_int32 (sp, &vers) != 0)
+ break;
+ krb5_ret_int32 (sp, &timestamp);
+ krb5_ret_int32 (sp, &tmp);
+ op = tmp;
+ krb5_ret_int32 (sp, &len);
+
+ ret = kadm5_log_replay (server_context,
+ op, vers, len, sp);
+ if (ret)
+ krb5_warn (context, ret, "kadm5_log_replay");
+ else
+ server_context->log_context.version = vers;
+ sp->seek (sp, 8, SEEK_CUR);
+ }
+
+ ret = server_context->db->close (context, server_context->db);
+ if (ret)
+ krb5_err (context, 1, ret, "db->close");
+}
+
+char *realm;
+int version_flag;
+int help_flag;
+struct getargs args[] = {
+ { "realm", 'r', arg_string, &realm },
+ { "version", 0, arg_flag, &version_flag },
+ { "help", 0, arg_flag, &help_flag }
+};
+int num_args = sizeof(args) / sizeof(args[0]);
+
+int
+main(int argc, char **argv)
+{
+ krb5_error_code ret;
+ krb5_context context;
+ krb5_auth_context auth_context;
+ void *kadm_handle;
+ kadm5_server_context *server_context;
+ kadm5_config_params conf;
+ int master_fd;
+ krb5_ccache ccache;
+ krb5_principal server;
+
+ int optind;
+
+ optind = krb5_program_setup(&context, argc, argv, args, num_args, NULL);
+
+ if(help_flag)
+ krb5_std_usage(0, args, num_args);
+ if(version_flag) {
+ print_version(NULL);
+ exit(0);
+ }
+
+ memset(&conf, 0, sizeof(conf));
+ if(realm) {
+ conf.mask |= KADM5_CONFIG_REALM;
+ conf.realm = realm;
+ }
+ ret = kadm5_init_with_password_ctx (context,
+ KADM5_ADMIN_SERVICE,
+ NULL,
+ KADM5_ADMIN_SERVICE,
+ &conf, 0, 0,
+ &kadm_handle);
+ if (ret)
+ krb5_err (context, 1, ret, "kadm5_init_with_password_ctx");
+
+ server_context = (kadm5_server_context *)kadm_handle;
+
+ ret = kadm5_log_init (server_context);
+ if (ret)
+ krb5_err (context, 1, ret, "kadm5_log_init");
+
+ get_creds(context, &ccache, argv[1]);
+
+ master_fd = connect_to_master (context, argv[1]);
+
+ ret = krb5_sname_to_principal (context, argv[1], IPROP_NAME,
+ KRB5_NT_SRV_HST, &server);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_sname_to_principal");
+
+ auth_context = NULL;
+ ret = krb5_sendauth (context, &auth_context, &master_fd,
+ IPROP_VERSION, NULL, server,
+ AP_OPTS_MUTUAL_REQUIRED, NULL, NULL,
+ ccache, NULL, NULL, NULL);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_sendauth");
+
+ ihave (context, auth_context, master_fd,
+ server_context->log_context.version);
+
+ for (;;) {
+ int ret;
+ krb5_data data, out;
+ krb5_storage *sp;
+ int32_t tmp;
+
+ ret = krb5_read_message (context, &master_fd, &data);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_read_message");
+
+ ret = krb5_rd_priv (context, auth_context, &data, &out, NULL);
+ krb5_data_free (&data);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_rd_priv");
+
+ sp = krb5_storage_from_mem (out.data, out.length);
+ krb5_ret_int32 (sp, &tmp);
+ switch (tmp) {
+ case FOR_YOU :
+ receive (context, sp, server_context);
+ ihave (context, auth_context, master_fd,
+ server_context->log_context.version);
+ break;
+ case I_HAVE :
+ default :
+ krb5_warnx (context, "Ignoring command %d", tmp);
+ break;
+ }
+ krb5_storage_free (sp);
+ krb5_data_free (&out);
+ }
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-14 21:24:10 +0000