diff --git a/kadmin/kadmind.c b/kadmin/kadmind.c new file mode 100644 index 000000000..855826026 --- /dev/null +++ b/kadmin/kadmind.c @@ -0,0 +1,220 @@ +/* + * Copyright (c) 1997 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Kungliga Tekniska + * Högskolan and its contributors. + * + * 4. 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 "kadmin_locl.h" + +RCSID("$Id$"); + +static char *config_file; +static char *keyfile; +static int help_flag; +static int version_flag; +static int debug_flag; +static int debug_port; +static char *realm; + +static struct getargs args[] = { + { + "config-file", 'c', arg_string, &config_file, + "location of config file", "file" + }, + { + "key-file", 'k', arg_string, &keyfile, + "location of master key file", "file" + }, + { "realm", 'r', arg_string, &realm, + "realm to use", "realm" + }, + { "debug", 'd', arg_flag, &debug_flag, + "enable debugging" + }, + { "debug", 'd', arg_flag, &debug_flag, + "port to use with debug", "port" + }, + { "debug-port", 'p', arg_integer,&debug_port }, + { "help", 'h', arg_flag, &help_flag }, + { "version", 'v', arg_flag, &version_flag } +}; + +static int num_args = sizeof(args) / sizeof(args[0]); + +krb5_context context; +void *kadm_handle; + +static void +usage(int ret) +{ + arg_printusage (args, num_args, ""); + exit (ret); +} + +kadm5_ret_t +kadm5_server_send(krb5_context context, krb5_auth_context ac, + krb5_storage *sp, int fd) +{ + unsigned char buf[1024]; + size_t len; + krb5_data in, out; + kadm5_ret_t ret; + len = sp->seek(sp, 0, SEEK_CUR); + sp->seek(sp, 0, SEEK_SET); + if(len > sizeof(buf)) + return ENOMEM; + sp->fetch(sp, buf, len); + in.data = buf; + in.length = len; + ret = krb5_mk_priv(context, ac, &in, &out, NULL); + if(ret) + return ret; + buf[0] = (out.length >> 24) & 0xff; + buf[1] = (out.length >> 16) & 0xff; + buf[2] = (out.length >> 8) & 0xff; + buf[3] = out.length & 0xff; + krb5_net_write(context, fd, buf, 4); + krb5_net_write(context, fd, out.data, out.length); + krb5_data_free(&out); + return 0; +} + +kadm5_ret_t +kadm5_server_recv(krb5_context context, krb5_auth_context ac, + krb5_storage *sp, int fd) +{ + unsigned char buf[1024]; + size_t len; + krb5_data in, out; + kadm5_ret_t ret; + + if(krb5_net_read(context, fd, buf, 4) != 4) + krb5_err(context, 1, errno, "krb5_net_read"); + len = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; + if(len > sizeof(buf)) + return ENOMEM; + if(krb5_net_read(context, fd, buf, len) != len) + krb5_err(context, 1, errno, "krb5_net_read"); + in.data = buf; + in.length = len; + ret = krb5_rd_priv(context, ac, &in, &out, NULL); + if(ret) + return ret; + sp->store(sp, out.data, out.length); + sp->seek(sp, 0, SEEK_SET); + krb5_data_free(&out); + return 0; +} + +int +main(int argc, char **argv) +{ + krb5_error_code ret; + krb5_config_section *cf; + int optind = 0; + int e; + krb5_log_facility *logf; + + set_progname(argv[0]); + + krb5_init_context(&context); + + ret = krb5_openlog(context, "kadmind", &logf); + ret = krb5_set_warn_dest(context, logf); + + while((e = getarg(args, num_args, argc, argv, &optind))) + warnx("error at argument `%s'", argv[optind]); + + if (help_flag) + usage (0); + + if (version_flag) + krb5_errx(context, 0, "%s", heimdal_version); + + argc -= optind; + argv += optind; + + if (config_file == NULL) + config_file = HDB_DB_DIR "/kdc.conf"; + + if(krb5_config_parse_file(config_file, &cf) == 0) { + const char *p = krb5_config_get_string (cf, "kdc", "key-file", NULL); + if (p) + keyfile = strdup(p); + } + + { + krb5_principal server; + int fd = 0; + krb5_auth_context ac = NULL; + krb5_ticket *ticket; + char *client; + if(debug_flag){ + if(debug_port == 0) + debug_port = krb5_getportbyname (context, "kerberos-adm", + "tcp", 749); + mini_inetd(htons(debug_port)); + } + if(realm) + krb5_set_default_realm(context, realm); /* XXX */ + krb5_parse_name(context, KADM5_ADMIN_SERVICE, &server); + ret = krb5_recvauth(context, &ac, &fd, KADMIN_APPL_VERSION, + server, 0, NULL, &ticket); + + if(ret) + krb5_err(context, 1, ret, "krb5_recvauth"); + krb5_unparse_name(context, ticket->client, &client); + + ret = kadm5_init_with_password_ctx(context, + client, + "password", + "service", + NULL, 0, 0, + &kadm_handle); + + while(1){ + unsigned char buf[1024]; + krb5_storage *sp; + + sp = krb5_storage_from_mem(buf, sizeof(buf)); + ret = kadm5_server_recv(context, ac, sp, fd); + if(ret) + krb5_err(context, 1, ret, "kadm5_server_recv"); + kadmind_dispatch(kadm_handle, sp); + ret = kadm5_server_send(context, ac, sp, fd); + krb5_storage_free(sp); + } + } +}