diff options
Diffstat (limited to 'crypto/heimdal/kadmin/add_enctype.c')
| -rw-r--r-- | crypto/heimdal/kadmin/add_enctype.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/crypto/heimdal/kadmin/add_enctype.c b/crypto/heimdal/kadmin/add_enctype.c new file mode 100644 index 000000000000..65337e62c001 --- /dev/null +++ b/crypto/heimdal/kadmin/add_enctype.c @@ -0,0 +1,164 @@ +/* + * 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" + +RCSID("$Id: add_enctype.c 20287 2007-02-22 03:12:30Z lha $"); + +/* + * del_enctype principal enctypes... + */ + +int +add_enctype(struct add_enctype_options*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; + krb5_key_data *new_key_data; + int n_etypes; + krb5_enctype *etypes; + + if (!opt->random_key_flag) { + krb5_warnx (context, "only random key is supported now"); + return 0; + } + + 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; + } + + new_key_data = malloc((princ.n_key_data + n_etypes) + * sizeof(*new_key_data)); + if (new_key_data == NULL) { + krb5_warnx (context, "out of memory"); + goto out; + } + + for (i = 0; i < princ.n_key_data; ++i) { + krb5_key_data *key = &princ.key_data[i]; + + for (j = 0; j < n_etypes; ++j) { + if (etypes[j] == key->key_data_type[0]) { + krb5_warnx(context, "enctype %d already exists", + (int)etypes[j]); + goto out; + } + } + new_key_data[i] = *key; + } + + for (i = 0; i < n_etypes; ++i) { + int n = princ.n_key_data + i; + krb5_keyblock keyblock; + + memset(&new_key_data[n], 0, sizeof(new_key_data[n])); + new_key_data[n].key_data_ver = 2; + new_key_data[n].key_data_kvno = 0; + + ret = krb5_generate_random_keyblock (context, etypes[i], &keyblock); + if (ret) { + krb5_warnx(context, "genernate enctype %d failed", (int)etypes[i]); + while (--i >= 0) + free(new_key_data[--n].key_data_contents[0]); + goto out; + } + + /* key */ + new_key_data[n].key_data_type[0] = etypes[i]; + new_key_data[n].key_data_contents[0] = malloc(keyblock.keyvalue.length); + if (new_key_data[n].key_data_contents[0] == NULL) { + ret = ENOMEM; + krb5_warn(context, ret, "out of memory"); + while (--i >= 0) + free(new_key_data[--n].key_data_contents[0]); + goto out; + } + new_key_data[n].key_data_length[0] = keyblock.keyvalue.length; + memcpy(new_key_data[n].key_data_contents[0], + keyblock.keyvalue.data, + keyblock.keyvalue.length); + krb5_free_keyblock_contents(context, &keyblock); + + /* salt */ + new_key_data[n].key_data_type[1] = KRB5_PW_SALT; + new_key_data[n].key_data_length[1] = 0; + new_key_data[n].key_data_contents[1] = NULL; + + } + + free (princ.key_data); + princ.n_key_data += n_etypes; + princ.key_data = new_key_data; + new_key_data = NULL; + + 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; +} |