1178825Sdfr/* 2233294Sstas * Copyright (c) 1999-2006 Kungliga Tekniska H��gskolan 3233294Sstas * (Royal Institute of Technology, Stockholm, Sweden). 4233294Sstas * All rights reserved. 5178825Sdfr * 6233294Sstas * Redistribution and use in source and binary forms, with or without 7233294Sstas * modification, are permitted provided that the following conditions 8233294Sstas * are met: 9178825Sdfr * 10233294Sstas * 1. Redistributions of source code must retain the above copyright 11233294Sstas * notice, this list of conditions and the following disclaimer. 12178825Sdfr * 13233294Sstas * 2. Redistributions in binary form must reproduce the above copyright 14233294Sstas * notice, this list of conditions and the following disclaimer in the 15233294Sstas * documentation and/or other materials provided with the distribution. 16178825Sdfr * 17233294Sstas * 3. Neither the name of the Institute nor the names of its contributors 18233294Sstas * may be used to endorse or promote products derived from this software 19233294Sstas * without specific prior written permission. 20178825Sdfr * 21233294Sstas * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22233294Sstas * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23233294Sstas * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24233294Sstas * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25233294Sstas * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26233294Sstas * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27233294Sstas * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28233294Sstas * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29233294Sstas * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30233294Sstas * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31233294Sstas * SUCH DAMAGE. 32178825Sdfr */ 33178825Sdfr 34178825Sdfr#include "kadmin_locl.h" 35178825Sdfr#include "kadmin-commands.h" 36178825Sdfr 37178825Sdfr/* 38178825Sdfr * del_enctype principal enctypes... 39178825Sdfr */ 40178825Sdfr 41178825Sdfrint 42178825Sdfradd_enctype(struct add_enctype_options*opt, int argc, char **argv) 43178825Sdfr{ 44178825Sdfr kadm5_principal_ent_rec princ; 45178825Sdfr krb5_principal princ_ent = NULL; 46178825Sdfr krb5_error_code ret; 47178825Sdfr const char *princ_name; 48178825Sdfr int i, j; 49178825Sdfr krb5_key_data *new_key_data; 50178825Sdfr int n_etypes; 51178825Sdfr krb5_enctype *etypes; 52178825Sdfr 53178825Sdfr if (!opt->random_key_flag) { 54178825Sdfr krb5_warnx (context, "only random key is supported now"); 55178825Sdfr return 0; 56178825Sdfr } 57178825Sdfr 58178825Sdfr memset (&princ, 0, sizeof(princ)); 59178825Sdfr princ_name = argv[0]; 60178825Sdfr n_etypes = argc - 1; 61178825Sdfr etypes = malloc (n_etypes * sizeof(*etypes)); 62178825Sdfr if (etypes == NULL) { 63178825Sdfr krb5_warnx (context, "out of memory"); 64178825Sdfr return 0; 65178825Sdfr } 66178825Sdfr argv++; 67178825Sdfr for (i = 0; i < n_etypes; ++i) { 68178825Sdfr ret = krb5_string_to_enctype (context, argv[i], &etypes[i]); 69178825Sdfr if (ret) { 70178825Sdfr krb5_warnx (context, "bad enctype \"%s\"", argv[i]); 71178825Sdfr goto out2; 72178825Sdfr } 73178825Sdfr } 74178825Sdfr 75178825Sdfr ret = krb5_parse_name(context, princ_name, &princ_ent); 76178825Sdfr if (ret) { 77178825Sdfr krb5_warn (context, ret, "krb5_parse_name %s", princ_name); 78178825Sdfr goto out2; 79178825Sdfr } 80178825Sdfr 81178825Sdfr ret = kadm5_get_principal(kadm_handle, princ_ent, &princ, 82178825Sdfr KADM5_PRINCIPAL | KADM5_KEY_DATA); 83178825Sdfr if (ret) { 84178825Sdfr krb5_free_principal (context, princ_ent); 85178825Sdfr krb5_warnx (context, "no such principal: %s", princ_name); 86178825Sdfr goto out2; 87178825Sdfr } 88178825Sdfr 89178825Sdfr new_key_data = malloc((princ.n_key_data + n_etypes) 90178825Sdfr * sizeof(*new_key_data)); 91178825Sdfr if (new_key_data == NULL) { 92178825Sdfr krb5_warnx (context, "out of memory"); 93178825Sdfr goto out; 94178825Sdfr } 95178825Sdfr 96178825Sdfr for (i = 0; i < princ.n_key_data; ++i) { 97178825Sdfr krb5_key_data *key = &princ.key_data[i]; 98178825Sdfr 99178825Sdfr for (j = 0; j < n_etypes; ++j) { 100178825Sdfr if (etypes[j] == key->key_data_type[0]) { 101178825Sdfr krb5_warnx(context, "enctype %d already exists", 102178825Sdfr (int)etypes[j]); 103233294Sstas free(new_key_data); 104178825Sdfr goto out; 105178825Sdfr } 106178825Sdfr } 107178825Sdfr new_key_data[i] = *key; 108178825Sdfr } 109178825Sdfr 110178825Sdfr for (i = 0; i < n_etypes; ++i) { 111178825Sdfr int n = princ.n_key_data + i; 112178825Sdfr krb5_keyblock keyblock; 113178825Sdfr 114178825Sdfr memset(&new_key_data[n], 0, sizeof(new_key_data[n])); 115178825Sdfr new_key_data[n].key_data_ver = 2; 116178825Sdfr new_key_data[n].key_data_kvno = 0; 117178825Sdfr 118178825Sdfr ret = krb5_generate_random_keyblock (context, etypes[i], &keyblock); 119178825Sdfr if (ret) { 120178825Sdfr krb5_warnx(context, "genernate enctype %d failed", (int)etypes[i]); 121178825Sdfr while (--i >= 0) 122178825Sdfr free(new_key_data[--n].key_data_contents[0]); 123178825Sdfr goto out; 124178825Sdfr } 125178825Sdfr 126178825Sdfr /* key */ 127178825Sdfr new_key_data[n].key_data_type[0] = etypes[i]; 128178825Sdfr new_key_data[n].key_data_contents[0] = malloc(keyblock.keyvalue.length); 129178825Sdfr if (new_key_data[n].key_data_contents[0] == NULL) { 130178825Sdfr ret = ENOMEM; 131178825Sdfr krb5_warn(context, ret, "out of memory"); 132178825Sdfr while (--i >= 0) 133178825Sdfr free(new_key_data[--n].key_data_contents[0]); 134178825Sdfr goto out; 135178825Sdfr } 136178825Sdfr new_key_data[n].key_data_length[0] = keyblock.keyvalue.length; 137178825Sdfr memcpy(new_key_data[n].key_data_contents[0], 138178825Sdfr keyblock.keyvalue.data, 139178825Sdfr keyblock.keyvalue.length); 140178825Sdfr krb5_free_keyblock_contents(context, &keyblock); 141178825Sdfr 142178825Sdfr /* salt */ 143178825Sdfr new_key_data[n].key_data_type[1] = KRB5_PW_SALT; 144178825Sdfr new_key_data[n].key_data_length[1] = 0; 145178825Sdfr new_key_data[n].key_data_contents[1] = NULL; 146178825Sdfr 147178825Sdfr } 148178825Sdfr 149178825Sdfr free (princ.key_data); 150178825Sdfr princ.n_key_data += n_etypes; 151178825Sdfr princ.key_data = new_key_data; 152178825Sdfr new_key_data = NULL; 153178825Sdfr 154178825Sdfr ret = kadm5_modify_principal (kadm_handle, &princ, KADM5_KEY_DATA); 155178825Sdfr if (ret) 156178825Sdfr krb5_warn(context, ret, "kadm5_modify_principal"); 157178825Sdfrout: 158178825Sdfr krb5_free_principal (context, princ_ent); 159178825Sdfr kadm5_free_principal_ent(kadm_handle, &princ); 160178825Sdfrout2: 161178825Sdfr free (etypes); 162178825Sdfr return ret != 0; 163178825Sdfr} 164