1 /* $NetBSD: mod.c,v 1.1.1.1 2011/04/13 18:14:35 elric Exp $ */ 2 3 /* 4 * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include "kadmin_locl.h" 37 #include "kadmin-commands.h" 38 39 static void 40 add_tl(kadm5_principal_ent_rec *princ, int type, krb5_data *data) 41 { 42 krb5_tl_data *tl, **ptl; 43 44 tl = ecalloc(1, sizeof(*tl)); 45 tl->tl_data_next = NULL; 46 tl->tl_data_type = KRB5_TL_EXTENSION; 47 tl->tl_data_length = data->length; 48 tl->tl_data_contents = data->data; 49 50 princ->n_tl_data++; 51 ptl = &princ->tl_data; 52 while (*ptl != NULL) 53 ptl = &(*ptl)->tl_data_next; 54 *ptl = tl; 55 56 return; 57 } 58 59 static void 60 add_constrained_delegation(krb5_context context, 61 kadm5_principal_ent_rec *princ, 62 struct getarg_strings *strings) 63 { 64 krb5_error_code ret; 65 HDB_extension ext; 66 krb5_data buf; 67 size_t size; 68 69 memset(&ext, 0, sizeof(ext)); 70 ext.mandatory = FALSE; 71 ext.data.element = choice_HDB_extension_data_allowed_to_delegate_to; 72 73 if (strings->num_strings == 1 && strings->strings[0][0] == '\0') { 74 ext.data.u.allowed_to_delegate_to.val = NULL; 75 ext.data.u.allowed_to_delegate_to.len = 0; 76 } else { 77 krb5_principal p; 78 int i; 79 80 ext.data.u.allowed_to_delegate_to.val = 81 calloc(strings->num_strings, 82 sizeof(ext.data.u.allowed_to_delegate_to.val[0])); 83 ext.data.u.allowed_to_delegate_to.len = strings->num_strings; 84 85 for (i = 0; i < strings->num_strings; i++) { 86 ret = krb5_parse_name(context, strings->strings[i], &p); 87 if (ret) 88 abort(); 89 ret = copy_Principal(p, &ext.data.u.allowed_to_delegate_to.val[i]); 90 if (ret) 91 abort(); 92 krb5_free_principal(context, p); 93 } 94 } 95 96 ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length, 97 &ext, &size, ret); 98 free_HDB_extension(&ext); 99 if (ret) 100 abort(); 101 if (buf.length != size) 102 abort(); 103 104 add_tl(princ, KRB5_TL_EXTENSION, &buf); 105 } 106 107 static void 108 add_aliases(krb5_context context, kadm5_principal_ent_rec *princ, 109 struct getarg_strings *strings) 110 { 111 krb5_error_code ret; 112 HDB_extension ext; 113 krb5_data buf; 114 krb5_principal p; 115 size_t size; 116 int i; 117 118 memset(&ext, 0, sizeof(ext)); 119 ext.mandatory = FALSE; 120 ext.data.element = choice_HDB_extension_data_aliases; 121 ext.data.u.aliases.case_insensitive = 0; 122 123 if (strings->num_strings == 1 && strings->strings[0][0] == '\0') { 124 ext.data.u.aliases.aliases.val = NULL; 125 ext.data.u.aliases.aliases.len = 0; 126 } else { 127 ext.data.u.aliases.aliases.val = 128 calloc(strings->num_strings, 129 sizeof(ext.data.u.aliases.aliases.val[0])); 130 ext.data.u.aliases.aliases.len = strings->num_strings; 131 132 for (i = 0; i < strings->num_strings; i++) { 133 ret = krb5_parse_name(context, strings->strings[i], &p); 134 ret = copy_Principal(p, &ext.data.u.aliases.aliases.val[i]); 135 krb5_free_principal(context, p); 136 } 137 } 138 139 ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length, 140 &ext, &size, ret); 141 free_HDB_extension(&ext); 142 if (ret) 143 abort(); 144 if (buf.length != size) 145 abort(); 146 147 add_tl(princ, KRB5_TL_EXTENSION, &buf); 148 } 149 150 static void 151 add_pkinit_acl(krb5_context context, kadm5_principal_ent_rec *princ, 152 struct getarg_strings *strings) 153 { 154 krb5_error_code ret; 155 HDB_extension ext; 156 krb5_data buf; 157 size_t size; 158 int i; 159 160 memset(&ext, 0, sizeof(ext)); 161 ext.mandatory = FALSE; 162 ext.data.element = choice_HDB_extension_data_pkinit_acl; 163 ext.data.u.aliases.case_insensitive = 0; 164 165 if (strings->num_strings == 1 && strings->strings[0][0] == '\0') { 166 ext.data.u.pkinit_acl.val = NULL; 167 ext.data.u.pkinit_acl.len = 0; 168 } else { 169 ext.data.u.pkinit_acl.val = 170 calloc(strings->num_strings, 171 sizeof(ext.data.u.pkinit_acl.val[0])); 172 ext.data.u.pkinit_acl.len = strings->num_strings; 173 174 for (i = 0; i < strings->num_strings; i++) { 175 ext.data.u.pkinit_acl.val[i].subject = estrdup(strings->strings[i]); 176 } 177 } 178 179 ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length, 180 &ext, &size, ret); 181 free_HDB_extension(&ext); 182 if (ret) 183 abort(); 184 if (buf.length != size) 185 abort(); 186 187 add_tl(princ, KRB5_TL_EXTENSION, &buf); 188 } 189 190 static int 191 do_mod_entry(krb5_principal principal, void *data) 192 { 193 krb5_error_code ret; 194 kadm5_principal_ent_rec princ; 195 int mask = 0; 196 struct modify_options *e = data; 197 198 memset (&princ, 0, sizeof(princ)); 199 ret = kadm5_get_principal(kadm_handle, principal, &princ, 200 KADM5_PRINCIPAL | KADM5_ATTRIBUTES | 201 KADM5_MAX_LIFE | KADM5_MAX_RLIFE | 202 KADM5_PRINC_EXPIRE_TIME | 203 KADM5_PW_EXPIRATION); 204 if(ret) 205 return ret; 206 207 if(e->max_ticket_life_string || 208 e->max_renewable_life_string || 209 e->expiration_time_string || 210 e->pw_expiration_time_string || 211 e->attributes_string || 212 e->kvno_integer != -1 || 213 e->constrained_delegation_strings.num_strings || 214 e->alias_strings.num_strings || 215 e->pkinit_acl_strings.num_strings) { 216 ret = set_entry(context, &princ, &mask, 217 e->max_ticket_life_string, 218 e->max_renewable_life_string, 219 e->expiration_time_string, 220 e->pw_expiration_time_string, 221 e->attributes_string); 222 if(e->kvno_integer != -1) { 223 princ.kvno = e->kvno_integer; 224 mask |= KADM5_KVNO; 225 } 226 if (e->constrained_delegation_strings.num_strings) { 227 add_constrained_delegation(context, &princ, 228 &e->constrained_delegation_strings); 229 mask |= KADM5_TL_DATA; 230 } 231 if (e->alias_strings.num_strings) { 232 add_aliases(context, &princ, &e->alias_strings); 233 mask |= KADM5_TL_DATA; 234 } 235 if (e->pkinit_acl_strings.num_strings) { 236 add_pkinit_acl(context, &princ, &e->pkinit_acl_strings); 237 mask |= KADM5_TL_DATA; 238 } 239 240 } else 241 ret = edit_entry(&princ, &mask, NULL, 0); 242 if(ret == 0) { 243 ret = kadm5_modify_principal(kadm_handle, &princ, mask); 244 if(ret) 245 krb5_warn(context, ret, "kadm5_modify_principal"); 246 } 247 248 kadm5_free_principal_ent(kadm_handle, &princ); 249 return ret; 250 } 251 252 int 253 mod_entry(struct modify_options *opt, int argc, char **argv) 254 { 255 krb5_error_code ret = 0; 256 int i; 257 258 for(i = 0; i < argc; i++) { 259 ret = foreach_principal(argv[i], do_mod_entry, "mod", opt); 260 if (ret) 261 break; 262 } 263 return ret != 0; 264 } 265 266