1 /* 2 * Copyright (c) 1997 - 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 static void 38 add_tl(kadm5_principal_ent_rec *princ, int type, krb5_data *data) 39 { 40 krb5_tl_data *tl, **ptl; 41 42 tl = ecalloc(1, sizeof(*tl)); 43 tl->tl_data_next = NULL; 44 tl->tl_data_type = KRB5_TL_EXTENSION; 45 tl->tl_data_length = data->length; 46 tl->tl_data_contents = data->data; 47 48 princ->n_tl_data++; 49 ptl = &princ->tl_data; 50 while (*ptl != NULL) 51 ptl = &(*ptl)->tl_data_next; 52 *ptl = tl; 53 54 return; 55 } 56 57 static void 58 add_constrained_delegation(krb5_context contextp, 59 kadm5_principal_ent_rec *princ, 60 struct getarg_strings *strings) 61 { 62 krb5_error_code ret; 63 HDB_extension ext; 64 krb5_data buf; 65 size_t size = 0; 66 67 memset(&ext, 0, sizeof(ext)); 68 ext.mandatory = FALSE; 69 ext.data.element = choice_HDB_extension_data_allowed_to_delegate_to; 70 71 if (strings->num_strings == 1 && strings->strings[0][0] == '\0') { 72 ext.data.u.allowed_to_delegate_to.val = NULL; 73 ext.data.u.allowed_to_delegate_to.len = 0; 74 } else { 75 krb5_principal p; 76 int i; 77 78 ext.data.u.allowed_to_delegate_to.val = 79 calloc(strings->num_strings, 80 sizeof(ext.data.u.allowed_to_delegate_to.val[0])); 81 ext.data.u.allowed_to_delegate_to.len = strings->num_strings; 82 83 for (i = 0; i < strings->num_strings; i++) { 84 ret = krb5_parse_name(contextp, strings->strings[i], &p); 85 if (ret) 86 abort(); 87 ret = copy_Principal(p, &ext.data.u.allowed_to_delegate_to.val[i]); 88 if (ret) 89 abort(); 90 krb5_free_principal(contextp, p); 91 } 92 } 93 94 ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length, 95 &ext, &size, ret); 96 free_HDB_extension(&ext); 97 if (ret) 98 abort(); 99 if (buf.length != size) 100 abort(); 101 102 add_tl(princ, KRB5_TL_EXTENSION, &buf); 103 } 104 105 static void 106 add_aliases(krb5_context contextp, kadm5_principal_ent_rec *princ, 107 struct getarg_strings *strings) 108 { 109 krb5_error_code ret = 0; 110 HDB_extension ext; 111 krb5_data buf; 112 krb5_principal p; 113 size_t size = 0; 114 int i; 115 116 memset(&ext, 0, sizeof(ext)); 117 ext.mandatory = FALSE; 118 ext.data.element = choice_HDB_extension_data_aliases; 119 ext.data.u.aliases.case_insensitive = 0; 120 121 if (strings->num_strings == 1 && strings->strings[0][0] == '\0') { 122 ext.data.u.aliases.aliases.val = NULL; 123 ext.data.u.aliases.aliases.len = 0; 124 } else { 125 ext.data.u.aliases.aliases.val = 126 calloc(strings->num_strings, 127 sizeof(ext.data.u.aliases.aliases.val[0])); 128 ext.data.u.aliases.aliases.len = strings->num_strings; 129 130 for (i = 0; ret == 0 && i < strings->num_strings; i++) { 131 ret = krb5_parse_name(contextp, strings->strings[i], &p); 132 if (ret) 133 krb5_err(contextp, 1, ret, "Could not parse alias %s", 134 strings->strings[i]); 135 if (ret == 0) 136 ret = copy_Principal(p, &ext.data.u.aliases.aliases.val[i]); 137 if (ret) 138 krb5_err(contextp, 1, ret, "Could not copy parsed alias %s", 139 strings->strings[i]); 140 krb5_free_principal(contextp, p); 141 } 142 } 143 144 ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length, 145 &ext, &size, ret); 146 free_HDB_extension(&ext); 147 if (ret) 148 abort(); 149 if (buf.length != size) 150 abort(); 151 152 add_tl(princ, KRB5_TL_EXTENSION, &buf); 153 } 154 155 static void 156 add_pkinit_acl(krb5_context contextp, kadm5_principal_ent_rec *princ, 157 struct getarg_strings *strings) 158 { 159 krb5_error_code ret; 160 HDB_extension ext; 161 krb5_data buf; 162 size_t size = 0; 163 int i; 164 165 memset(&ext, 0, sizeof(ext)); 166 ext.mandatory = FALSE; 167 ext.data.element = choice_HDB_extension_data_pkinit_acl; 168 ext.data.u.aliases.case_insensitive = 0; 169 170 if (strings->num_strings == 1 && strings->strings[0][0] == '\0') { 171 ext.data.u.pkinit_acl.val = NULL; 172 ext.data.u.pkinit_acl.len = 0; 173 } else { 174 ext.data.u.pkinit_acl.val = 175 calloc(strings->num_strings, 176 sizeof(ext.data.u.pkinit_acl.val[0])); 177 ext.data.u.pkinit_acl.len = strings->num_strings; 178 179 for (i = 0; i < strings->num_strings; i++) { 180 ext.data.u.pkinit_acl.val[i].subject = estrdup(strings->strings[i]); 181 } 182 } 183 184 ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length, 185 &ext, &size, ret); 186 free_HDB_extension(&ext); 187 if (ret) 188 abort(); 189 if (buf.length != size) 190 abort(); 191 192 add_tl(princ, KRB5_TL_EXTENSION, &buf); 193 } 194 195 static int 196 do_mod_entry(krb5_principal principal, void *data) 197 { 198 krb5_error_code ret; 199 kadm5_principal_ent_rec princ; 200 int mask = 0; 201 struct modify_options *e = data; 202 203 memset (&princ, 0, sizeof(princ)); 204 ret = kadm5_get_principal(kadm_handle, principal, &princ, 205 KADM5_PRINCIPAL | KADM5_ATTRIBUTES | 206 KADM5_MAX_LIFE | KADM5_MAX_RLIFE | 207 KADM5_PRINC_EXPIRE_TIME | 208 KADM5_PW_EXPIRATION); 209 if(ret) 210 return ret; 211 212 if(e->max_ticket_life_string || 213 e->max_renewable_life_string || 214 e->expiration_time_string || 215 e->pw_expiration_time_string || 216 e->attributes_string || 217 e->kvno_integer != -1 || 218 e->constrained_delegation_strings.num_strings || 219 e->alias_strings.num_strings || 220 e->pkinit_acl_strings.num_strings) { 221 ret = set_entry(context, &princ, &mask, 222 e->max_ticket_life_string, 223 e->max_renewable_life_string, 224 e->expiration_time_string, 225 e->pw_expiration_time_string, 226 e->attributes_string); 227 if(e->kvno_integer != -1) { 228 princ.kvno = e->kvno_integer; 229 mask |= KADM5_KVNO; 230 } 231 if (e->constrained_delegation_strings.num_strings) { 232 add_constrained_delegation(context, &princ, 233 &e->constrained_delegation_strings); 234 mask |= KADM5_TL_DATA; 235 } 236 if (e->alias_strings.num_strings) { 237 add_aliases(context, &princ, &e->alias_strings); 238 mask |= KADM5_TL_DATA; 239 } 240 if (e->pkinit_acl_strings.num_strings) { 241 add_pkinit_acl(context, &princ, &e->pkinit_acl_strings); 242 mask |= KADM5_TL_DATA; 243 } 244 245 } else 246 ret = edit_entry(&princ, &mask, NULL, 0); 247 if(ret == 0) { 248 ret = kadm5_modify_principal(kadm_handle, &princ, mask); 249 if(ret) 250 krb5_warn(context, ret, "kadm5_modify_principal"); 251 } 252 253 kadm5_free_principal_ent(kadm_handle, &princ); 254 return ret; 255 } 256 257 int 258 mod_entry(struct modify_options *opt, int argc, char **argv) 259 { 260 krb5_error_code ret = 0; 261 int i; 262 263 for(i = 0; i < argc; i++) { 264 ret = foreach_principal(argv[i], do_mod_entry, "mod", opt); 265 if (ret) 266 break; 267 } 268 return ret != 0; 269 } 270 271