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34 #include "ktutil_locl.h"
36 RCSID("$Id: change.c,v 1.5 2003/04/01 15:04:49 lha Exp $");
39 change_entry (krb5_context context, krb5_keytab keytab,
40 krb5_principal principal, krb5_kvno kvno,
41 const char *realm, const char *admin_server, int server_port)
44 kadm5_config_params conf;
51 ret = krb5_unparse_name (context, principal, &client_name);
53 krb5_warn (context, ret, "krb5_unparse_name");
57 memset (&conf, 0, sizeof(conf));
60 conf.realm = (char *)realm;
62 conf.realm = *krb5_princ_realm (context, principal);
63 conf.mask |= KADM5_CONFIG_REALM;
66 conf.admin_server = (char *)admin_server;
67 conf.mask |= KADM5_CONFIG_ADMIN_SERVER;
71 conf.kadmind_port = htons(server_port);
72 conf.mask |= KADM5_CONFIG_KADMIND_PORT;
75 ret = kadm5_init_with_skey_ctx (context,
83 krb5_warn (context, ret, "kadm5_c_init_with_skey_ctx");
86 ret = kadm5_randkey_principal (kadm_handle, principal, &keys, &num_keys);
87 kadm5_destroy (kadm_handle);
89 krb5_warn(context, ret, "kadm5_randkey_principal");
92 for (i = 0; i < num_keys; ++i) {
93 krb5_keytab_entry new_entry;
95 new_entry.principal = principal;
96 new_entry.timestamp = time (NULL);
97 new_entry.vno = kvno + 1;
98 new_entry.keyblock = keys[i];
100 ret = krb5_kt_add_entry (context, keytab, &new_entry);
102 krb5_warn (context, ret, "krb5_kt_add_entry");
103 krb5_free_keyblock_contents (context, &keys[i]);
108 * loop over all the entries in the keytab (or those given) and change
109 * their keys, writing the new keys
113 krb5_principal principal;
118 kt_change (int argc, char **argv)
122 krb5_kt_cursor cursor;
123 krb5_keytab_entry entry;
125 char *admin_server = NULL;
130 struct change_set *changeset;
132 struct getargs args[] = {
133 { "realm", 'r', arg_string, NULL,
134 "realm to use", "realm"
136 { "admin-server", 'a', arg_string, NULL,
137 "server to contact", "host"
139 { "server-port", 's', arg_integer, NULL,
140 "port to contact", "port number"
142 { "help", 'h', arg_flag, NULL }
145 args[0].value = &realm;
146 args[1].value = &admin_server;
147 args[2].value = &server_port;
148 args[3].value = &help_flag;
150 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optind)
152 arg_printusage(args, sizeof(args) / sizeof(args[0]),
153 "ktutil change", "principal...");
157 if((keytab = ktutil_open_keytab()) == NULL)
164 ret = krb5_kt_start_seq_get(context, keytab, &cursor);
166 krb5_warn(context, ret, "krb5_kt_start_seq_get %s", keytab_string);
170 while((ret = krb5_kt_next_entry(context, keytab, &entry, &cursor)) == 0) {
173 for (i = 0; i < j; ++i) {
174 if (krb5_principal_compare (context, changeset[i].principal,
176 if (changeset[i].kvno < entry.vno)
177 changeset[i].kvno = entry.vno;
184 if (optind == argc) {
187 for (i = optind; i < argc; ++i) {
188 krb5_principal princ;
190 ret = krb5_parse_name (context, argv[i], &princ);
192 krb5_warn (context, ret, "krb5_parse_name %s", argv[i]);
195 if (krb5_principal_compare (context, princ, entry.principal))
198 krb5_free_principal (context, princ);
206 max = max(max * 2, 1);
207 tmp = realloc (changeset, max * sizeof(*changeset));
209 krb5_kt_free_entry (context, &entry);
210 krb5_warnx (context, "realloc: out of memory");
216 ret = krb5_copy_principal (context, entry.principal,
217 &changeset[j].principal);
219 krb5_warn (context, ret, "krb5_copy_principal");
220 krb5_kt_free_entry (context, &entry);
223 changeset[j].kvno = entry.vno;
226 krb5_kt_free_entry (context, &entry);
229 if (ret == KRB5_KT_END) {
230 for (i = 0; i < j; i++) {
234 ret = krb5_unparse_name (context, changeset[i].principal,
237 krb5_warn (context, ret, "krb5_unparse_name");
239 printf("Changing %s kvno %d\n",
240 client_name, changeset[i].kvno);
244 change_entry (context, keytab,
245 changeset[i].principal, changeset[i].kvno,
246 realm, admin_server, server_port);
249 for (i = 0; i < j; i++)
250 krb5_free_principal (context, changeset[i].principal);
253 ret = krb5_kt_end_seq_get(context, keytab, &cursor);
255 krb5_kt_close(context, keytab);