kadmin.c revision 78527 
1/*
2 * Copyright (c) 1997 - 2001 Kungliga Tekniska H�gskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include "kadmin_locl.h"
35#include <sl.h>
36
37RCSID("$Id: kadmin.c,v 1.38 2001/05/15 06:34:35 assar Exp $");
38
39static char *config_file;
40static char *keyfile;
41static int local_flag;
42static int help_flag;
43static int version_flag;
44static char *realm;
45static char *admin_server;
46static int server_port = 0;
47static char *client_name;
48static char *keytab;
49
50static struct getargs args[] = {
51    {	"principal", 	'p',	arg_string,	&client_name,
52	"principal to authenticate as" },
53    {   "keytab",	'K',	arg_string,	&keytab,
54   	"keytab for authentication pricipal" },
55    {
56	"config-file",	'c',	arg_string,	&config_file,
57	"location of config file",	"file"
58    },
59    {
60	"key-file",	'k',	arg_string, &keyfile,
61	"location of master key file", "file"
62    },
63    {
64	"realm",	'r',	arg_string,   &realm,
65	"realm to use", "realm"
66    },
67    {
68	"admin-server",	'a',	arg_string,   &admin_server,
69	"server to contact", "host"
70    },
71    {
72	"server-port",	's',	arg_integer,   &server_port,
73	"port to use", "port number"
74    },
75    {	"local", 'l', arg_flag, &local_flag, "local admin mode" },
76    {	"help",		'h',	arg_flag,   &help_flag },
77    {	"version",	'v',	arg_flag,   &version_flag }
78};
79
80static int num_args = sizeof(args) / sizeof(args[0]);
81
82static SL_cmd commands[] = {
83    /* commands that are only available with `-l' */
84    {
85	"dump",		dump,		"dump [file]",
86	"Dumps the database in a human readable format to the\n"
87	"specified file, or the standard out."
88    },
89    {
90	"load",		load,		"load file",
91	"Loads a previously dumped file."
92    },
93    {
94	"merge",	merge,		"merge file" ,
95	"Merges the contents of a dump file into the database."
96    },
97    {
98	"init",		init,		"init realm...",
99	"Initializes the default principals for a realm.\n"
100	"Creates the database if necessary."
101    },
102    /* common commands */
103    {
104	"add",	add_new_key, 	"add principal" ,
105	"Adds a principal to the database."
106    },
107    { "add_new_key"},
108    { "ank"},
109    {
110	"passwd",	cpw_entry, 	"passwd expression..." ,
111	"Changes the password of one or more principals\n"
112	"matching the expressions."
113    },
114    { "change_password"},
115    { "cpw"},
116    {
117	"delete",	del_entry, 	"delete expression...",
118	"Deletes all principals matching the expressions."
119    },
120    { "del_entry" },
121    {
122	"del_enctype",	del_enctype,	"del_enctype principal enctype...",
123	"Delete all the mentioned enctypes for principal."
124    },
125    {
126	"ext_keytab",	ext_keytab, 	"ext_keytab expression...",
127	"Extracts the keys of all principals matching the expressions,\n"
128	"and stores them in a keytab."
129    },
130    {
131	"get",		get_entry, 	"get expression...",
132	"Shows information about principals matching the expressions."
133    },
134    { "get_entry" },
135    {
136	"rename",	rename_entry, 	"rename source target",
137	"Renames `source' to `target'."
138    },
139    {
140	"modify",	mod_entry, 	"modify principal",
141	"Modifies some attributes of the specified principal."
142    },
143    {
144	"privileges",	get_privs,	"privileges",
145	"Shows which kinds of operations you are allowed to perform."
146    },
147    { "privs" },
148    {
149	"list",		list_princs,	"list expression...",
150	"Lists principals in a terse format. The same as `get -t'."
151    },
152    { "help",		help, "help"},
153    { "?"},
154    { "exit",		exit_kadmin, "exit"},
155    { "quit" },
156    { NULL}
157};
158
159krb5_context context;
160void *kadm_handle;
161
162static SL_cmd *actual_cmds;
163
164int
165help(int argc, char **argv)
166{
167    sl_help(actual_cmds, argc, argv);
168    return 0;
169}
170
171int
172exit_kadmin (int argc, char **argv)
173{
174    return 1;
175}
176
177static void
178usage(int ret)
179{
180    arg_printusage (args, num_args, NULL, "[command]");
181    exit (ret);
182}
183
184int
185get_privs(int argc, char **argv)
186{
187    u_int32_t privs;
188    char str[128];
189    kadm5_ret_t ret;
190
191    int help_flag = 0;
192    struct getargs args[] = {
193	{ "help",	'h',	arg_flag,	NULL }
194    };
195    int num_args = sizeof(args) / sizeof(args[0]);
196    int optind = 0;
197
198    args[0].value = &help_flag;
199
200    if(getarg(args, num_args, argc, argv, &optind)) {
201	arg_printusage (args, num_args, "privileges", NULL);
202	return 0;
203    }
204    if(help_flag) {
205	arg_printusage (args, num_args, "privileges", NULL);
206	return 0;
207    }
208
209    ret = kadm5_get_privs(kadm_handle, &privs);
210    if(ret)
211	krb5_warn(context, ret, "kadm5_get_privs");
212    else{
213	ret =_kadm5_privs_to_string(privs, str, sizeof(str));
214	printf("%s\n", str);
215    }
216    return 0;
217}
218
219int
220main(int argc, char **argv)
221{
222    krb5_error_code ret;
223    krb5_config_section *cf = NULL;
224    kadm5_config_params conf;
225    int optind = 0;
226    int e;
227
228    setprogname(argv[0]);
229
230    ret = krb5_init_context(&context);
231    if (ret)
232	errx (1, "krb5_init_context failed: %d", ret);
233
234    while((e = getarg(args, num_args, argc, argv, &optind)))
235	errx(1, "error at argument `%s'", argv[optind]);
236
237    if (help_flag)
238	usage (0);
239
240    if (version_flag) {
241	print_version(NULL);
242	exit(0);
243    }
244
245    argc -= optind;
246    argv += optind;
247
248    if (config_file == NULL)
249	config_file = HDB_DB_DIR "/kdc.conf";
250
251    if(krb5_config_parse_file(context, config_file, &cf) == 0) {
252	const char *p = krb5_config_get_string (context, cf,
253						"kdc", "key-file", NULL);
254	if (p)
255	    keyfile = strdup(p);
256    }
257    krb5_clear_error_string (context);
258
259    memset(&conf, 0, sizeof(conf));
260    if(realm) {
261	krb5_set_default_realm(context, realm); /* XXX should be fixed
262						   some other way */
263	conf.realm = realm;
264	conf.mask |= KADM5_CONFIG_REALM;
265    }
266
267    if (admin_server) {
268	conf.admin_server = admin_server;
269	conf.mask |= KADM5_CONFIG_ADMIN_SERVER;
270    }
271
272    if (server_port) {
273	conf.kadmind_port = htons(server_port);
274	conf.mask |= KADM5_CONFIG_KADMIND_PORT;
275    }
276
277    if(local_flag){
278	ret = kadm5_s_init_with_password_ctx(context,
279					     KADM5_ADMIN_SERVICE,
280					     NULL,
281					     KADM5_ADMIN_SERVICE,
282					     &conf, 0, 0,
283					     &kadm_handle);
284	actual_cmds = commands;
285    } else if (keytab) {
286        ret = kadm5_c_init_with_skey_ctx(context,
287					 client_name,
288					 keytab,
289					 KADM5_ADMIN_SERVICE,
290                                         &conf, 0, 0,
291                                         &kadm_handle);
292        actual_cmds = commands + 4; /* XXX */
293    } else {
294	ret = kadm5_c_init_with_password_ctx(context,
295					     client_name,
296					     NULL,
297					     KADM5_ADMIN_SERVICE,
298					     &conf, 0, 0,
299					     &kadm_handle);
300	actual_cmds = commands + 4; /* XXX */
301    }
302
303    if(ret)
304	krb5_err(context, 1, ret, "kadm5_init_with_password");
305
306    signal(SIGINT, SIG_IGN); /* ignore signals for now, the sl command
307                                parser will handle SIGINT its own way;
308                                we should really take care of this in
309                                each function, f.i `get' might be
310                                interruptable, but not `create' */
311    if (argc != 0) {
312	ret = sl_command (actual_cmds, argc, argv);
313	if(ret == -1)
314	    krb5_warnx (context, "unrecognized command: %s", argv[0]);
315    } else
316	ret = sl_loop (actual_cmds, "kadmin> ") != 0;
317
318    kadm5_destroy(kadm_handle);
319    krb5_config_file_free (context, cf);
320    krb5_free_context(context);
321    return ret;
322}
323