14195658a4
If kadmind returned bogus keys it means that the user lacks the get-keys permission. Generate a warning and exit. Change-Id: Ib76dd86b65bd84a00f3e27c245b9cfc0173fff56
133 lines
3.9 KiB
C
133 lines
3.9 KiB
C
/*
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* Copyright (c) 1999-2006 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "kadmin_locl.h"
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#include "kadmin-commands.h"
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/*
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* del_enctype principal enctypes...
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*/
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int
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del_enctype(void *opt, int argc, char **argv)
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{
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kadm5_principal_ent_rec princ;
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krb5_principal princ_ent = NULL;
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krb5_error_code ret;
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const char *princ_name;
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int i, j, k;
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krb5_key_data *new_key_data;
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int n_etypes;
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krb5_enctype *etypes;
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krb5_key_data *key;
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memset (&princ, 0, sizeof(princ));
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princ_name = argv[0];
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n_etypes = argc - 1;
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etypes = malloc (n_etypes * sizeof(*etypes));
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if (etypes == NULL) {
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krb5_warnx (context, "out of memory");
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return 0;
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}
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argv++;
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for (i = 0; i < n_etypes; ++i) {
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ret = krb5_string_to_enctype (context, argv[i], &etypes[i]);
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if (ret) {
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krb5_warnx (context, "bad enctype \"%s\"", argv[i]);
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goto out2;
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}
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}
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ret = krb5_parse_name(context, princ_name, &princ_ent);
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if (ret) {
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krb5_warn (context, ret, "krb5_parse_name %s", princ_name);
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goto out2;
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}
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ret = kadm5_get_principal(kadm_handle, princ_ent, &princ,
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KADM5_PRINCIPAL | KADM5_KEY_DATA);
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if (ret) {
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krb5_free_principal (context, princ_ent);
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krb5_warnx (context, "no such principal: %s", princ_name);
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goto out2;
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}
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if (kadm5_all_keys_are_bogus(princ.n_key_data, princ.key_data)) {
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krb5_warnx(context, "user lacks get-keys privilege");
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goto out;
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}
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new_key_data = malloc(princ.n_key_data * sizeof(*new_key_data));
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if (new_key_data == NULL && princ.n_key_data != 0) {
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krb5_warnx (context, "out of memory");
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goto out;
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}
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for (i = 0, j = 0; i < princ.n_key_data; ++i) {
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int docopy = 1;
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key = &princ.key_data[i];
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for (k = 0; k < n_etypes; ++k) {
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if (etypes[k] == key->key_data_type[0]) {
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docopy = 0;
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break;
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}
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}
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if (docopy) {
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new_key_data[j++] = *key;
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} else {
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int16_t ignore = 1;
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kadm5_free_key_data (kadm_handle, &ignore, key);
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}
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}
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free (princ.key_data);
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if (j == 0) {
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free(new_key_data);
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new_key_data = NULL;
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}
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princ.n_key_data = j;
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princ.key_data = new_key_data;
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ret = kadm5_modify_principal (kadm_handle, &princ, KADM5_KEY_DATA);
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if (ret)
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krb5_warn(context, ret, "kadm5_modify_principal");
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out:
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krb5_free_principal (context, princ_ent);
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kadm5_free_principal_ent(kadm_handle, &princ);
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out2:
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free (etypes);
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return ret != 0;
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}
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