2 * Copyright (c) 1997-2006 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
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.
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.
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
36 RCSID("$Id: hpropd.c 22245 2007-12-08 23:48:52Z lha $");
38 static int inetd_flag = -1;
40 static int version_flag;
41 static int print_dump;
42 static const char *database;
43 static int from_stdin;
44 static char *local_realm;
45 static char *ktname = NULL;
47 struct getargs args[] = {
48 { "database", 'd', arg_string, &database, "database", "file" },
49 { "stdin", 'n', arg_flag, &from_stdin, "read from stdin" },
50 { "print", 0, arg_flag, &print_dump, "print dump to stdout" },
51 { "inetd", 'i', arg_negative_flag, &inetd_flag,
52 "Not started from inetd" },
53 { "keytab", 'k', arg_string, &ktname, "keytab to use for authentication", "keytab" },
54 { "realm", 'r', arg_string, &local_realm, "realm to use" },
55 { "version", 0, arg_flag, &version_flag, NULL, NULL },
56 { "help", 'h', arg_flag, &help_flag, NULL, NULL}
59 static int num_args = sizeof(args) / sizeof(args[0]);
64 arg_printusage (args, num_args, NULL, "");
69 main(int argc, char **argv)
73 krb5_auth_context ac = NULL;
74 krb5_principal c1, c2;
75 krb5_authenticator authent;
81 krb5_log_facility *fac;
86 ret = krb5_init_context(&context);
90 ret = krb5_openlog(context, "hpropd", &fac);
93 krb5_set_warn_dest(context, fac);
95 if(getarg(args, num_args, argc, argv, &optidx))
98 if(local_realm != NULL)
99 krb5_set_default_realm(context, local_realm);
114 if (database == NULL)
115 database = hdb_default_db(context);
120 struct sockaddr_storage ss;
121 struct sockaddr *sa = (struct sockaddr *)&ss;
122 socklen_t sin_len = sizeof(ss);
128 if (inetd_flag == -1) {
129 if (getpeername (fd, sa, &sin_len) < 0)
135 mini_inetd (krb5_getportbyname (context, "hprop", "tcp",
138 sin_len = sizeof(ss);
139 if(getpeername(fd, sa, &sin_len) < 0)
140 krb5_err(context, 1, errno, "getpeername");
142 if (inet_ntop(sa->sa_family,
143 socket_get_address (sa),
145 sizeof(addr_name)) == NULL)
146 strlcpy (addr_name, "unknown address",
149 krb5_log(context, fac, 0, "Connection from %s", addr_name);
151 ret = krb5_kt_register(context, &hdb_kt_ops);
153 krb5_err(context, 1, ret, "krb5_kt_register");
155 if (ktname != NULL) {
156 ret = krb5_kt_resolve(context, ktname, &keytab);
158 krb5_err (context, 1, ret, "krb5_kt_resolve %s", ktname);
160 ret = krb5_kt_default (context, &keytab);
162 krb5_err (context, 1, ret, "krb5_kt_default");
165 ret = krb5_recvauth(context, &ac, &fd, HPROP_VERSION, NULL,
168 krb5_err(context, 1, ret, "krb5_recvauth");
170 ret = krb5_unparse_name(context, ticket->server, &server);
172 krb5_err(context, 1, ret, "krb5_unparse_name");
173 if (strncmp(server, "hprop/", 5) != 0)
174 krb5_errx(context, 1, "ticket not for hprop (%s)", server);
177 krb5_free_ticket (context, ticket);
179 ret = krb5_auth_con_getauthenticator(context, ac, &authent);
181 krb5_err(context, 1, ret, "krb5_auth_con_getauthenticator");
183 ret = krb5_make_principal(context, &c1, NULL, "kadmin", "hprop", NULL);
185 krb5_err(context, 1, ret, "krb5_make_principal");
186 _krb5_principalname2krb5_principal(context, &c2,
187 authent->cname, authent->crealm);
188 if(!krb5_principal_compare(context, c1, c2)) {
190 ret = krb5_unparse_name(context, c2, &s);
192 s = "unparseable name";
193 krb5_errx(context, 1, "Unauthorized connection from %s", s);
195 krb5_free_principal(context, c1);
196 krb5_free_principal(context, c2);
198 ret = krb5_kt_close(context, keytab);
200 krb5_err(context, 1, ret, "krb5_kt_close");
204 asprintf(&tmp_db, "%s~", database);
206 ret = hdb_create(context, &db, tmp_db);
208 krb5_err(context, 1, ret, "hdb_create(%s)", tmp_db);
209 ret = db->hdb_open(context, db, O_RDWR | O_CREAT | O_TRUNC, 0600);
211 krb5_err(context, 1, ret, "hdb_open(%s)", tmp_db);
220 ret = krb5_read_message(context, &fd, &data);
221 if(ret != 0 && ret != HEIM_ERR_EOF)
222 krb5_err(context, 1, ret, "krb5_read_message");
224 ret = krb5_read_priv_message(context, ac, &fd, &data);
226 krb5_err(context, 1, ret, "krb5_read_priv_message");
229 if(ret == HEIM_ERR_EOF || data.length == 0) {
233 krb5_write_priv_message(context, ac, &fd, &data);
236 ret = db->hdb_rename(context, db, database);
238 krb5_err(context, 1, ret, "db_rename");
239 ret = db->hdb_close(context, db);
241 krb5_err(context, 1, ret, "db_close");
245 memset(&entry, 0, sizeof(entry));
246 ret = hdb_value2entry(context, &data, &entry.entry);
247 krb5_data_free(&data);
249 krb5_err(context, 1, ret, "hdb_value2entry");
251 hdb_print_entry(context, db, &entry, stdout);
253 ret = db->hdb_store(context, db, 0, &entry);
254 if(ret == HDB_ERR_EXISTS) {
256 ret = krb5_unparse_name(context, entry.entry.principal, &s);
258 s = strdup("unparseable name");
259 krb5_warnx(context, "Entry exists: %s", s);
262 krb5_err(context, 1, ret, "db_store");
266 hdb_free_entry(context, &entry);
269 krb5_log(context, fac, 0, "Received %d principals", nprincs);