1/* 2 * Copyright (c) 1999-2006 Kungliga Tekniska Högskolan 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/* 38 * del_enctype principal enctypes... 39 */ 40 41int 42del_enctype(void *opt, int argc, char **argv) 43{ 44 kadm5_principal_ent_rec princ; 45 krb5_principal princ_ent = NULL; 46 krb5_error_code ret; 47 const char *princ_name; 48 int i, j, k; 49 krb5_key_data *new_key_data; 50 int n_etypes; 51 krb5_enctype *etypes; 52 53 memset (&princ, 0, sizeof(princ)); 54 princ_name = argv[0]; 55 n_etypes = argc - 1; 56 etypes = malloc (n_etypes * sizeof(*etypes)); 57 if (etypes == NULL) { 58 krb5_warnx (context, "out of memory"); 59 return 0; 60 } 61 argv++; 62 for (i = 0; i < n_etypes; ++i) { 63 ret = krb5_string_to_enctype (context, argv[i], &etypes[i]); 64 if (ret) { 65 krb5_warnx (context, "bad enctype \"%s\"", argv[i]); 66 goto out2; 67 } 68 } 69 70 ret = krb5_parse_name(context, princ_name, &princ_ent); 71 if (ret) { 72 krb5_warn (context, ret, "krb5_parse_name %s", princ_name); 73 goto out2; 74 } 75 76 ret = kadm5_get_principal(kadm_handle, princ_ent, &princ, 77 KADM5_PRINCIPAL | KADM5_KEY_DATA); 78 if (ret) { 79 krb5_free_principal (context, princ_ent); 80 krb5_warnx (context, "no such principal: %s", princ_name); 81 goto out2; 82 } 83 84 new_key_data = malloc(princ.n_key_data * sizeof(*new_key_data)); 85 if (new_key_data == NULL && princ.n_key_data != 0) { 86 krb5_warnx (context, "out of memory"); 87 goto out; 88 } 89 90 for (i = 0, j = 0; i < princ.n_key_data; ++i) { 91 krb5_key_data *key = &princ.key_data[i]; 92 int docopy = 1; 93 94 for (k = 0; k < n_etypes; ++k) 95 if (etypes[k] == key->key_data_type[0]) { 96 docopy = 0; 97 break; 98 } 99 if (docopy) { 100 new_key_data[j++] = *key; 101 } else { 102 int16_t ignore = 1; 103 104 kadm5_free_key_data (kadm_handle, &ignore, key); 105 } 106 } 107 108 free (princ.key_data); 109 if (j == 0) { 110 free(new_key_data); 111 new_key_data = NULL; 112 } 113 princ.n_key_data = j; 114 princ.key_data = new_key_data; 115 116 ret = kadm5_modify_principal (kadm_handle, &princ, KADM5_KEY_DATA); 117 if (ret) 118 krb5_warn(context, ret, "kadm5_modify_principal"); 119out: 120 krb5_free_principal (context, princ_ent); 121 kadm5_free_principal_ent(kadm_handle, &princ); 122out2: 123 free (etypes); 124 return ret != 0; 125} 126