1 /* 2 * Copyright (c) 1999-2006 Kungliga Tekniska H�gskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include "kadmin_locl.h" 35 #include "kadmin-commands.h" 36 37 RCSID("$Id: del_enctype.c 16658 2006-01-25 12:29:46Z lha $"); 38 39 /* 40 * del_enctype principal enctypes... 41 */ 42 43 int 44 del_enctype(void *opt, int argc, char **argv) 45 { 46 kadm5_principal_ent_rec princ; 47 krb5_principal princ_ent = NULL; 48 krb5_error_code ret; 49 const char *princ_name; 50 int i, j, k; 51 krb5_key_data *new_key_data; 52 int n_etypes; 53 krb5_enctype *etypes; 54 55 memset (&princ, 0, sizeof(princ)); 56 princ_name = argv[0]; 57 n_etypes = argc - 1; 58 etypes = malloc (n_etypes * sizeof(*etypes)); 59 if (etypes == NULL) { 60 krb5_warnx (context, "out of memory"); 61 return 0; 62 } 63 argv++; 64 for (i = 0; i < n_etypes; ++i) { 65 ret = krb5_string_to_enctype (context, argv[i], &etypes[i]); 66 if (ret) { 67 krb5_warnx (context, "bad enctype \"%s\"", argv[i]); 68 goto out2; 69 } 70 } 71 72 ret = krb5_parse_name(context, princ_name, &princ_ent); 73 if (ret) { 74 krb5_warn (context, ret, "krb5_parse_name %s", princ_name); 75 goto out2; 76 } 77 78 ret = kadm5_get_principal(kadm_handle, princ_ent, &princ, 79 KADM5_PRINCIPAL | KADM5_KEY_DATA); 80 if (ret) { 81 krb5_free_principal (context, princ_ent); 82 krb5_warnx (context, "no such principal: %s", princ_name); 83 goto out2; 84 } 85 86 new_key_data = malloc(princ.n_key_data * sizeof(*new_key_data)); 87 if (new_key_data == NULL) { 88 krb5_warnx (context, "out of memory"); 89 goto out; 90 } 91 92 for (i = 0, j = 0; i < princ.n_key_data; ++i) { 93 krb5_key_data *key = &princ.key_data[i]; 94 int docopy = 1; 95 96 for (k = 0; k < n_etypes; ++k) 97 if (etypes[k] == key->key_data_type[0]) { 98 docopy = 0; 99 break; 100 } 101 if (docopy) { 102 new_key_data[j++] = *key; 103 } else { 104 int16_t ignore = 1; 105 106 kadm5_free_key_data (kadm_handle, &ignore, key); 107 } 108 } 109 110 free (princ.key_data); 111 princ.n_key_data = j; 112 princ.key_data = new_key_data; 113 114 ret = kadm5_modify_principal (kadm_handle, &princ, KADM5_KEY_DATA); 115 if (ret) 116 krb5_warn(context, ret, "kadm5_modify_principal"); 117 out: 118 krb5_free_principal (context, princ_ent); 119 kadm5_free_principal_ent(kadm_handle, &princ); 120 out2: 121 free (etypes); 122 return ret != 0; 123 } 124