2 * Copyright (c) 1997 - 2001, 2003 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
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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
);