diff options
Diffstat (limited to 'third_party/heimdal/kadmin/del_enctype.c')
| -rw-r--r-- | third_party/heimdal/kadmin/del_enctype.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/third_party/heimdal/kadmin/del_enctype.c b/third_party/heimdal/kadmin/del_enctype.c new file mode 100644 index 0000000..c32ce14 --- /dev/null +++ b/third_party/heimdal/kadmin/del_enctype.c @@ -0,0 +1,132 @@ +/* + * Copyright (c) 1999-2006 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" + +/* + * del_enctype principal enctypes... + */ + +int +del_enctype(void *opt, int argc, char **argv) +{ + kadm5_principal_ent_rec princ; + krb5_principal princ_ent = NULL; + krb5_error_code ret; + const char *princ_name; + int i, j, k; + krb5_key_data *new_key_data; + int n_etypes; + krb5_enctype *etypes; + krb5_key_data *key; + + memset (&princ, 0, sizeof(princ)); + princ_name = argv[0]; + n_etypes = argc - 1; + etypes = malloc (n_etypes * sizeof(*etypes)); + if (etypes == NULL) { + krb5_warnx (context, "out of memory"); + return 0; + } + argv++; + for (i = 0; i < n_etypes; ++i) { + ret = krb5_string_to_enctype (context, argv[i], &etypes[i]); + if (ret) { + krb5_warnx (context, "bad enctype \"%s\"", argv[i]); + goto out2; + } + } + + ret = krb5_parse_name(context, princ_name, &princ_ent); + if (ret) { + krb5_warn (context, ret, "krb5_parse_name %s", princ_name); + goto out2; + } + + ret = kadm5_get_principal(kadm_handle, princ_ent, &princ, + KADM5_PRINCIPAL | KADM5_KEY_DATA); + if (ret) { + krb5_free_principal (context, princ_ent); + krb5_warnx (context, "no such principal: %s", princ_name); + goto out2; + } + + if (kadm5_all_keys_are_bogus(princ.n_key_data, princ.key_data)) { + krb5_warnx(context, "user lacks get-keys privilege"); + goto out; + } + + new_key_data = malloc(princ.n_key_data * sizeof(*new_key_data)); + if (new_key_data == NULL && princ.n_key_data != 0) { + krb5_warnx (context, "out of memory"); + goto out; + } + + for (i = 0, j = 0; i < princ.n_key_data; ++i) { + int docopy = 1; + key = &princ.key_data[i]; + + for (k = 0; k < n_etypes; ++k) { + if (etypes[k] == key->key_data_type[0]) { + docopy = 0; + break; + } + } + if (docopy) { + new_key_data[j++] = *key; + } else { + int16_t ignore = 1; + + kadm5_free_key_data (kadm_handle, &ignore, key); + } + } + + free (princ.key_data); + if (j == 0) { + free(new_key_data); + new_key_data = NULL; + } + princ.n_key_data = j; + princ.key_data = new_key_data; + + ret = kadm5_modify_principal (kadm_handle, &princ, KADM5_KEY_DATA); + if (ret) + krb5_warn(context, ret, "kadm5_modify_principal"); +out: + krb5_free_principal (context, princ_ent); + kadm5_free_principal_ent(kadm_handle, &princ); +out2: + free (etypes); + return ret != 0; +} |