/*
* Copyright (c) 1997 - 2004 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. 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"
#include "kadmin-commands.h"
static int
do_del_entry(krb5_principal principal, void *data)
{
return kadm5_delete_principal(data, principal);
}
int
del_entry(void *opt, int argc, char **argv)
{
int i;
krb5_error_code ret = 0;
void *dup_kadm_handle = NULL;
ret = kadm5_dup_context(kadm_handle, &dup_kadm_handle);
for (i = 0; ret == 0 && i < argc; i++)
ret = foreach_principal(argv[i], do_del_entry, "del", dup_kadm_handle);
if (dup_kadm_handle)
kadm5_destroy(dup_kadm_handle);
return ret != 0;
}
static int
do_del_ns_entry(krb5_principal nsp, void *data)
{
krb5_error_code ret;
krb5_principal p = NULL;
const char *comp0 = krb5_principal_get_comp_string(context, nsp, 0);
const char *comp1 = krb5_principal_get_comp_string(context, nsp, 1);
if (krb5_principal_get_num_comp(context, nsp) != 2) {
char *unsp = NULL;
ret = krb5_unparse_name(context, nsp, &unsp);
krb5_warn(context, ret,
"Not a valid namespace name (component count is not 2): %s",
unsp ? unsp : "<out of memory>");
free(unsp);
return EINVAL;
}
ret = krb5_make_principal(context, &p,
krb5_principal_get_realm(context, nsp),
"WELLKNOWN", HDB_WK_NAMESPACE, NULL);
if (ret == 0)
ret = krb5_principal_set_comp_string(context, p, 2, comp0);
if (ret == 0)
ret = krb5_principal_set_comp_string(context, p, 3, comp1);
if (ret == 0)
ret = kadm5_delete_principal(kadm_handle, p);
krb5_free_principal(context, p);
return ret;
}
int
del_namespace(void *opt, int argc, char **argv)
{
int i;
krb5_error_code ret = 0;
void *dup_kadm_handle = NULL;
ret = kadm5_dup_context(kadm_handle, &dup_kadm_handle);
for (i = 0; ret == 0 && i < argc; i++)
ret = foreach_principal(argv[i], do_del_ns_entry, "del_ns",
dup_kadm_handle);
if (dup_kadm_handle)
kadm5_destroy(dup_kadm_handle);
return ret != 0;
}
int
del_alias(void *opt, int argc, char **argv)
{
krb5_error_code ret;
size_t i;
if (argc < 1) {
krb5_warnx(context, "No aliases given");
return 1;
}
for (; argc; argc--, argv++) {
kadm5_principal_ent_rec princ;
krb5_principal p;
HDB_Ext_Aliases *a;
HDB_extension ext;
krb5_tl_data *tl;
krb5_data d;
if ((ret = krb5_parse_name(context, argv[0], &p))) {
krb5_warn(context, ret, "Invalid principal: %s", argv[0]);
return 1;
}
memset(&princ, 0, sizeof(princ));
ret = kadm5_get_principal(kadm_handle, p, &princ,
KADM5_PRINCIPAL_NORMAL_MASK | KADM5_TL_DATA);
if (ret) {
krb5_warn(context, ret, "Principal alias not found %s", argv[0]);
continue;
}
if (krb5_principal_compare(context, p, princ.principal)) {
krb5_warn(context, ret, "Not deleting principal %s because it is "
"not an alias; use 'delete' to delete the principal",
argv[0]);
continue;
}
a = &ext.data.u.aliases;
a->case_insensitive = 0;
a->aliases.len = 0;
a->aliases.val = 0;
if ((tl = get_tl(&princ, KRB5_TL_ALIASES)) == NULL) {
krb5_warnx(context, "kadm5_get_principal() found principal %s but "
"not its aliases", argv[0]);
kadm5_free_principal_ent(kadm_handle, &princ);
krb5_free_principal(context, p);
return 1;
}
ret = decode_HDB_Ext_Aliases(tl->tl_data_contents, tl->tl_data_length,
a, NULL);
if (ret) {
krb5_warn(context, ret, "Principal alias list could not be decoded");
kadm5_free_principal_ent(kadm_handle, &princ);
krb5_free_principal(context, p);
return 1;
}
/*
* Remove alias, but also, don't assume it appears only once in aliases
* list.
*/
i = 0;
while (i < a->aliases.len) {
if (!krb5_principal_compare(context, p, &a->aliases.val[i])) {
i++;
continue;
}
free_Principal(&a->aliases.val[i]);
if (i + 1 < a->aliases.len)
memmove(&a->aliases.val[i],
&a->aliases.val[i + 1],
sizeof(a->aliases.val[i]) * (a->aliases.len - (i + 1)));
if (a->aliases.len)
a->aliases.len--;
continue;
}
krb5_data_zero(&d);
ext.data.element = choice_HDB_extension_data_aliases;
ext.mandatory = 0;
if (ret == 0)
ASN1_MALLOC_ENCODE(HDB_extension, d.data, d.length, &ext, &i, ret);
free_HDB_Ext_Aliases(a);
if (ret == 0) {
int16_t len = d.length;
if (len < 0 || d.length != (size_t)len) {
krb5_warnx(context, "Too many aliases; does not fit in 32767 bytes");
ret = EOVERFLOW;
} else {
add_tl(&princ, KRB5_TL_EXTENSION, &d);
krb5_data_zero(&d);
}
}
if (ret == 0) {
ret = kadm5_modify_principal(kadm_handle, &princ,
KADM5_PRINCIPAL | KADM5_TL_DATA);
if (ret)
krb5_warn(context, ret, "kadm5_modify_principal");
}
kadm5_free_principal_ent(kadm_handle, &princ);
krb5_free_principal(context, p);
krb5_data_free(&d);
p = NULL;
}
return ret == 0 ? 0 : 1;
}