1178825Sdfr/* 2178825Sdfr * Copyright (c) 1999-2006 Kungliga Tekniska H�gskolan 3178825Sdfr * (Royal Institute of Technology, Stockholm, Sweden). 4178825Sdfr * All rights reserved. 5178825Sdfr * 6178825Sdfr * Redistribution and use in source and binary forms, with or without 7178825Sdfr * modification, are permitted provided that the following conditions 8178825Sdfr * are met: 9178825Sdfr * 10178825Sdfr * 1. Redistributions of source code must retain the above copyright 11178825Sdfr * notice, this list of conditions and the following disclaimer. 12178825Sdfr * 13178825Sdfr * 2. Redistributions in binary form must reproduce the above copyright 14178825Sdfr * notice, this list of conditions and the following disclaimer in the 15178825Sdfr * documentation and/or other materials provided with the distribution. 16178825Sdfr * 17178825Sdfr * 3. Neither the name of the Institute nor the names of its contributors 18178825Sdfr * may be used to endorse or promote products derived from this software 19178825Sdfr * without specific prior written permission. 20178825Sdfr * 21178825Sdfr * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22178825Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23178825Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24178825Sdfr * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25178825Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26178825Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27178825Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28178825Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29178825Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30178825Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31178825Sdfr * SUCH DAMAGE. 32178825Sdfr */ 33178825Sdfr 34178825Sdfr#include "kadmin_locl.h" 35178825Sdfr#include "kadmin-commands.h" 36178825Sdfr 37178825SdfrRCSID("$Id: add_enctype.c 20287 2007-02-22 03:12:30Z lha $"); 38178825Sdfr 39178825Sdfr/* 40178825Sdfr * del_enctype principal enctypes... 41178825Sdfr */ 42178825Sdfr 43178825Sdfrint 44178825Sdfradd_enctype(struct add_enctype_options*opt, int argc, char **argv) 45178825Sdfr{ 46178825Sdfr kadm5_principal_ent_rec princ; 47178825Sdfr krb5_principal princ_ent = NULL; 48178825Sdfr krb5_error_code ret; 49178825Sdfr const char *princ_name; 50178825Sdfr int i, j; 51178825Sdfr krb5_key_data *new_key_data; 52178825Sdfr int n_etypes; 53178825Sdfr krb5_enctype *etypes; 54178825Sdfr 55178825Sdfr if (!opt->random_key_flag) { 56178825Sdfr krb5_warnx (context, "only random key is supported now"); 57178825Sdfr return 0; 58178825Sdfr } 59178825Sdfr 60178825Sdfr memset (&princ, 0, sizeof(princ)); 61178825Sdfr princ_name = argv[0]; 62178825Sdfr n_etypes = argc - 1; 63178825Sdfr etypes = malloc (n_etypes * sizeof(*etypes)); 64178825Sdfr if (etypes == NULL) { 65178825Sdfr krb5_warnx (context, "out of memory"); 66178825Sdfr return 0; 67178825Sdfr } 68178825Sdfr argv++; 69178825Sdfr for (i = 0; i < n_etypes; ++i) { 70178825Sdfr ret = krb5_string_to_enctype (context, argv[i], &etypes[i]); 71178825Sdfr if (ret) { 72178825Sdfr krb5_warnx (context, "bad enctype \"%s\"", argv[i]); 73178825Sdfr goto out2; 74178825Sdfr } 75178825Sdfr } 76178825Sdfr 77178825Sdfr ret = krb5_parse_name(context, princ_name, &princ_ent); 78178825Sdfr if (ret) { 79178825Sdfr krb5_warn (context, ret, "krb5_parse_name %s", princ_name); 80178825Sdfr goto out2; 81178825Sdfr } 82178825Sdfr 83178825Sdfr ret = kadm5_get_principal(kadm_handle, princ_ent, &princ, 84178825Sdfr KADM5_PRINCIPAL | KADM5_KEY_DATA); 85178825Sdfr if (ret) { 86178825Sdfr krb5_free_principal (context, princ_ent); 87178825Sdfr krb5_warnx (context, "no such principal: %s", princ_name); 88178825Sdfr goto out2; 89178825Sdfr } 90178825Sdfr 91178825Sdfr new_key_data = malloc((princ.n_key_data + n_etypes) 92178825Sdfr * sizeof(*new_key_data)); 93178825Sdfr if (new_key_data == NULL) { 94178825Sdfr krb5_warnx (context, "out of memory"); 95178825Sdfr goto out; 96178825Sdfr } 97178825Sdfr 98178825Sdfr for (i = 0; i < princ.n_key_data; ++i) { 99178825Sdfr krb5_key_data *key = &princ.key_data[i]; 100178825Sdfr 101178825Sdfr for (j = 0; j < n_etypes; ++j) { 102178825Sdfr if (etypes[j] == key->key_data_type[0]) { 103178825Sdfr krb5_warnx(context, "enctype %d already exists", 104178825Sdfr (int)etypes[j]); 105178825Sdfr goto out; 106178825Sdfr } 107178825Sdfr } 108178825Sdfr new_key_data[i] = *key; 109178825Sdfr } 110178825Sdfr 111178825Sdfr for (i = 0; i < n_etypes; ++i) { 112178825Sdfr int n = princ.n_key_data + i; 113178825Sdfr krb5_keyblock keyblock; 114178825Sdfr 115178825Sdfr memset(&new_key_data[n], 0, sizeof(new_key_data[n])); 116178825Sdfr new_key_data[n].key_data_ver = 2; 117178825Sdfr new_key_data[n].key_data_kvno = 0; 118178825Sdfr 119178825Sdfr ret = krb5_generate_random_keyblock (context, etypes[i], &keyblock); 120178825Sdfr if (ret) { 121178825Sdfr krb5_warnx(context, "genernate enctype %d failed", (int)etypes[i]); 122178825Sdfr while (--i >= 0) 123178825Sdfr free(new_key_data[--n].key_data_contents[0]); 124178825Sdfr goto out; 125178825Sdfr } 126178825Sdfr 127178825Sdfr /* key */ 128178825Sdfr new_key_data[n].key_data_type[0] = etypes[i]; 129178825Sdfr new_key_data[n].key_data_contents[0] = malloc(keyblock.keyvalue.length); 130178825Sdfr if (new_key_data[n].key_data_contents[0] == NULL) { 131178825Sdfr ret = ENOMEM; 132178825Sdfr krb5_warn(context, ret, "out of memory"); 133178825Sdfr while (--i >= 0) 134178825Sdfr free(new_key_data[--n].key_data_contents[0]); 135178825Sdfr goto out; 136178825Sdfr } 137178825Sdfr new_key_data[n].key_data_length[0] = keyblock.keyvalue.length; 138178825Sdfr memcpy(new_key_data[n].key_data_contents[0], 139178825Sdfr keyblock.keyvalue.data, 140178825Sdfr keyblock.keyvalue.length); 141178825Sdfr krb5_free_keyblock_contents(context, &keyblock); 142178825Sdfr 143178825Sdfr /* salt */ 144178825Sdfr new_key_data[n].key_data_type[1] = KRB5_PW_SALT; 145178825Sdfr new_key_data[n].key_data_length[1] = 0; 146178825Sdfr new_key_data[n].key_data_contents[1] = NULL; 147178825Sdfr 148178825Sdfr } 149178825Sdfr 150178825Sdfr free (princ.key_data); 151178825Sdfr princ.n_key_data += n_etypes; 152178825Sdfr princ.key_data = new_key_data; 153178825Sdfr new_key_data = NULL; 154178825Sdfr 155178825Sdfr ret = kadm5_modify_principal (kadm_handle, &princ, KADM5_KEY_DATA); 156178825Sdfr if (ret) 157178825Sdfr krb5_warn(context, ret, "kadm5_modify_principal"); 158178825Sdfrout: 159178825Sdfr krb5_free_principal (context, princ_ent); 160178825Sdfr kadm5_free_principal_ent(kadm_handle, &princ); 161178825Sdfrout2: 162178825Sdfr free (etypes); 163178825Sdfr return ret != 0; 164178825Sdfr} 165