+++ /dev/null
-/*
- * Copyright (c) 1997-2006 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"
-
-static int inetd_flag = -1;
-static int help_flag;
-static int version_flag;
-static int print_dump;
-static const char *database;
-static int from_stdin;
-static char *local_realm;
-static char *ktname = NULL;
-
-struct getargs args[] = {
- { "database", 'd', arg_string, rk_UNCONST(&database), "database", "file" },
- { "stdin", 'n', arg_flag, &from_stdin, "read from stdin", NULL },
- { "print", 0, arg_flag, &print_dump, "print dump to stdout", NULL },
-#ifdef SUPPORT_INETD
- { "inetd", 'i', arg_negative_flag, &inetd_flag,
- "Not started from inetd", NULL },
-#endif
- { "keytab", 'k', arg_string, &ktname, "keytab to use for authentication", "keytab" },
- { "realm", 'r', arg_string, &local_realm, "realm to use", NULL },
- { "version", 0, arg_flag, &version_flag, NULL, NULL },
- { "help", 'h', arg_flag, &help_flag, NULL, NULL}
-};
-
-static int num_args = sizeof(args) / sizeof(args[0]);
-static char unparseable_name[] = "unparseable name";
-
-static void
-usage(int ret)
-{
- arg_printusage (args, num_args, NULL, "");
- exit (ret);
-}
-
-int
-main(int argc, char **argv)
-{
- krb5_error_code ret;
- krb5_context context;
- krb5_auth_context ac = NULL;
- krb5_principal c1, c2;
- krb5_authenticator authent;
- krb5_keytab keytab;
- krb5_socket_t sock = rk_INVALID_SOCKET;
- HDB *db = NULL;
- int optidx = 0;
- char *tmp_db;
- krb5_log_facility *fac;
- int nprincs;
-
- setprogname(argv[0]);
-
- ret = krb5_init_context(&context);
- if (ret)
- exit(1);
-
- ret = krb5_openlog(context, "hpropd", &fac);
- if (ret)
- errx(1, "krb5_openlog");
- krb5_set_warn_dest(context, fac);
-
- if (getarg(args, num_args, argc, argv, &optidx))
- usage(1);
-
- if (local_realm != NULL)
- krb5_set_default_realm(context, local_realm);
-
- if (help_flag)
- usage(0);
- if (version_flag) {
- print_version(NULL);
- exit(0);
- }
-
- argc -= optidx;
- argv += optidx;
-
- if (argc != 0)
- usage(1);
-
- if (database == NULL)
- database = hdb_default_db(context);
-
- if (from_stdin) {
- sock = STDIN_FILENO;
- } else {
- struct sockaddr_storage ss;
- struct sockaddr *sa = (struct sockaddr *)&ss;
- socklen_t sin_len = sizeof(ss);
- char addr_name[256];
- krb5_ticket *ticket;
- char *server;
-
- sock = STDIN_FILENO;
-#ifdef SUPPORT_INETD
- if (inetd_flag == -1) {
- if (getpeername (sock, sa, &sin_len) < 0) {
- inetd_flag = 0;
- } else {
- inetd_flag = 1;
- }
- }
-#else
- inetd_flag = 0;
-#endif
- if (!inetd_flag) {
- mini_inetd (krb5_getportbyname (context, "hprop", "tcp",
- HPROP_PORT), &sock);
- }
- socket_set_keepalive(sock, 1);
- sin_len = sizeof(ss);
- if (getpeername(sock, sa, &sin_len) < 0)
- krb5_err(context, 1, errno, "getpeername");
-
- if (inet_ntop(ss.ss_family,
- socket_get_address (sa),
- addr_name,
- sizeof(addr_name)) == NULL)
- strlcpy (addr_name, "unknown address",
- sizeof(addr_name));
-
- krb5_log(context, fac, 0, "Connection from %s", addr_name);
-
- ret = krb5_kt_register(context, &hdb_get_kt_ops);
- if (ret)
- krb5_err(context, 1, ret, "krb5_kt_register");
-
- if (ktname != NULL) {
- ret = krb5_kt_resolve(context, ktname, &keytab);
- if (ret)
- krb5_err (context, 1, ret, "krb5_kt_resolve %s", ktname);
- } else {
- ret = krb5_kt_default (context, &keytab);
- if (ret)
- krb5_err (context, 1, ret, "krb5_kt_default");
- }
-
- ret = krb5_recvauth(context, &ac, &sock, HPROP_VERSION, NULL,
- 0, keytab, &ticket);
- if (ret)
- krb5_err(context, 1, ret, "krb5_recvauth");
-
- ret = krb5_unparse_name(context, ticket->server, &server);
- if (ret)
- krb5_err(context, 1, ret, "krb5_unparse_name");
- if (strncmp(server, "hprop/", 6) != 0)
- krb5_errx(context, 1, "ticket not for hprop (%s)", server);
-
- free(server);
- krb5_free_ticket (context, ticket);
-
- ret = krb5_auth_con_getauthenticator(context, ac, &authent);
- if (ret)
- krb5_err(context, 1, ret, "krb5_auth_con_getauthenticator");
-
- ret = krb5_make_principal(context, &c1, NULL, "kadmin", "hprop", NULL);
- if (ret)
- krb5_err(context, 1, ret, "krb5_make_principal");
- _krb5_principalname2krb5_principal(context, &c2,
- authent->cname, authent->crealm);
- if (!krb5_principal_compare(context, c1, c2)) {
- char *s;
- ret = krb5_unparse_name(context, c2, &s);
- if (ret)
- s = unparseable_name;
- krb5_errx(context, 1, "Unauthorized connection from %s", s);
- }
- krb5_free_principal(context, c1);
- krb5_free_principal(context, c2);
-
- ret = krb5_kt_close(context, keytab);
- if (ret)
- krb5_err(context, 1, ret, "krb5_kt_close");
- }
-
- if (!print_dump) {
- int aret;
-
- aret = asprintf(&tmp_db, "%s~", database);
- if (aret == -1)
- krb5_errx(context, 1, "hdb_create: out of memory");
-
- ret = hdb_create(context, &db, tmp_db);
- if (ret)
- krb5_err(context, 1, ret, "hdb_create(%s)", tmp_db);
- ret = db->hdb_open(context, db, O_RDWR | O_CREAT | O_TRUNC, 0600);
- if (ret)
- krb5_err(context, 1, ret, "hdb_open(%s)", tmp_db);
- }
-
- nprincs = 0;
- while (1){
- krb5_data data;
- hdb_entry_ex entry;
-
- if (from_stdin) {
- ret = krb5_read_message(context, &sock, &data);
- if (ret != 0 && ret != HEIM_ERR_EOF)
- krb5_err(context, 1, ret, "krb5_read_message");
- } else {
- ret = krb5_read_priv_message(context, ac, &sock, &data);
- if (ret)
- krb5_err(context, 1, ret, "krb5_read_priv_message");
- }
-
- if (ret == HEIM_ERR_EOF || data.length == 0) {
- if (!from_stdin) {
- data.data = NULL;
- data.length = 0;
- krb5_write_priv_message(context, ac, &sock, &data);
- }
- if (!print_dump) {
- ret = db->hdb_close(context, db);
- if (ret)
- krb5_err(context, 1, ret, "db_close");
- ret = db->hdb_rename(context, db, database);
- if (ret)
- krb5_err(context, 1, ret, "db_rename");
- }
- break;
- }
- memset(&entry, 0, sizeof(entry));
- ret = hdb_value2entry(context, &data, &entry.entry);
- krb5_data_free(&data);
- if (ret)
- krb5_err(context, 1, ret, "hdb_value2entry");
- if (print_dump) {
- struct hdb_print_entry_arg parg;
-
- parg.out = stdout;
- parg.fmt = HDB_DUMP_HEIMDAL;
- hdb_print_entry(context, db, &entry, &parg);
- } else {
- ret = db->hdb_store(context, db, 0, &entry);
- if (ret == HDB_ERR_EXISTS) {
- char *s;
- ret = krb5_unparse_name(context, entry.entry.principal, &s);
- if (ret)
- s = strdup(unparseable_name);
- krb5_warnx(context, "Entry exists: %s", s);
- free(s);
- } else if (ret)
- krb5_err(context, 1, ret, "db_store");
- else
- nprincs++;
- }
- hdb_free_entry(context, &entry);
- }
- if (!print_dump)
- krb5_log(context, fac, 0, "Received %d principals", nprincs);
-
- if (inetd_flag == 0)
- rk_closesocket(sock);
-
- exit(0);
-}
git.samba.org / samba.git / blobdiff