1 /* $NetBSD: mod.c,v 1.3 2023/06/19 21:41:41 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1997 - 2006 Kungliga Tekniska Hgskolan 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 = type; 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 contextp, 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 = 0; 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(contextp, 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(contextp, 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 contextp, kadm5_principal_ent_rec *princ, 109 struct getarg_strings *strings) 110 { 111 krb5_error_code ret = 0; 112 HDB_extension ext; 113 krb5_data buf; 114 krb5_principal p; 115 size_t size = 0; 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; ret == 0 && i < strings->num_strings; i++) { 133 ret = krb5_parse_name(contextp, strings->strings[i], &p); 134 if (ret) 135 krb5_err(contextp, 1, ret, "Could not parse alias %s", 136 strings->strings[i]); 137 if (ret == 0) 138 ret = copy_Principal(p, &ext.data.u.aliases.aliases.val[i]); 139 if (ret) 140 krb5_err(contextp, 1, ret, "Could not copy parsed alias %s", 141 strings->strings[i]); 142 krb5_free_principal(contextp, p); 143 } 144 } 145 146 ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length, 147 &ext, &size, ret); 148 free_HDB_extension(&ext); 149 if (ret) 150 abort(); 151 if (buf.length != size) 152 abort(); 153 154 add_tl(princ, KRB5_TL_EXTENSION, &buf); 155 } 156 157 static void 158 add_pkinit_acl(krb5_context contextp, kadm5_principal_ent_rec *princ, 159 struct getarg_strings *strings) 160 { 161 krb5_error_code ret; 162 HDB_extension ext; 163 krb5_data buf; 164 size_t size = 0; 165 int i; 166 167 memset(&ext, 0, sizeof(ext)); 168 ext.mandatory = FALSE; 169 ext.data.element = choice_HDB_extension_data_pkinit_acl; 170 ext.data.u.aliases.case_insensitive = 0; 171 172 if (strings->num_strings == 1 && strings->strings[0][0] == '\0') { 173 ext.data.u.pkinit_acl.val = NULL; 174 ext.data.u.pkinit_acl.len = 0; 175 } else { 176 ext.data.u.pkinit_acl.val = 177 calloc(strings->num_strings, 178 sizeof(ext.data.u.pkinit_acl.val[0])); 179 ext.data.u.pkinit_acl.len = strings->num_strings; 180 181 for (i = 0; i < strings->num_strings; i++) { 182 ext.data.u.pkinit_acl.val[i].subject = estrdup(strings->strings[i]); 183 } 184 } 185 186 ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length, 187 &ext, &size, ret); 188 free_HDB_extension(&ext); 189 if (ret) 190 abort(); 191 if (buf.length != size) 192 abort(); 193 194 add_tl(princ, KRB5_TL_EXTENSION, &buf); 195 } 196 197 static void 198 add_kvno_diff(krb5_context contextp, kadm5_principal_ent_rec *princ, 199 int is_svc_diff, krb5_kvno kvno_diff) 200 { 201 krb5_error_code ret; 202 HDB_extension ext; 203 krb5_data buf; 204 size_t size = 0; 205 206 if (kvno_diff < 0) 207 return; 208 if (kvno_diff > 2048) 209 kvno_diff = 2048; 210 211 if (is_svc_diff) { 212 ext.data.element = choice_HDB_extension_data_hist_kvno_diff_svc; 213 ext.data.u.hist_kvno_diff_svc = (unsigned int)kvno_diff; 214 } else { 215 ext.data.element = choice_HDB_extension_data_hist_kvno_diff_clnt; 216 ext.data.u.hist_kvno_diff_clnt = (unsigned int)kvno_diff; 217 } 218 ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length, 219 &ext, &size, ret); 220 if (ret) 221 abort(); 222 if (buf.length != size) 223 abort(); 224 225 add_tl(princ, KRB5_TL_EXTENSION, &buf); 226 } 227 228 static int 229 do_mod_entry(krb5_principal principal, void *data) 230 { 231 krb5_error_code ret; 232 kadm5_principal_ent_rec princ; 233 int mask = 0; 234 struct modify_options *e = data; 235 236 memset (&princ, 0, sizeof(princ)); 237 ret = kadm5_get_principal(kadm_handle, principal, &princ, 238 KADM5_PRINCIPAL | KADM5_ATTRIBUTES | 239 KADM5_MAX_LIFE | KADM5_MAX_RLIFE | 240 KADM5_PRINC_EXPIRE_TIME | 241 KADM5_PW_EXPIRATION); 242 if(ret) 243 return ret; 244 245 if(e->max_ticket_life_string || 246 e->max_renewable_life_string || 247 e->expiration_time_string || 248 e->pw_expiration_time_string || 249 e->attributes_string || 250 e->policy_string || 251 e->kvno_integer != -1 || 252 e->constrained_delegation_strings.num_strings || 253 e->alias_strings.num_strings || 254 e->pkinit_acl_strings.num_strings || 255 e->hist_kvno_diff_clnt_integer != -1 || 256 e->hist_kvno_diff_svc_integer != -1) { 257 ret = set_entry(context, &princ, &mask, 258 e->max_ticket_life_string, 259 e->max_renewable_life_string, 260 e->expiration_time_string, 261 e->pw_expiration_time_string, 262 e->attributes_string, 263 e->policy_string); 264 if(e->kvno_integer != -1) { 265 princ.kvno = e->kvno_integer; 266 mask |= KADM5_KVNO; 267 } 268 if (e->constrained_delegation_strings.num_strings) { 269 add_constrained_delegation(context, &princ, 270 &e->constrained_delegation_strings); 271 mask |= KADM5_TL_DATA; 272 } 273 if (e->alias_strings.num_strings) { 274 add_aliases(context, &princ, &e->alias_strings); 275 mask |= KADM5_TL_DATA; 276 } 277 if (e->pkinit_acl_strings.num_strings) { 278 add_pkinit_acl(context, &princ, &e->pkinit_acl_strings); 279 mask |= KADM5_TL_DATA; 280 } 281 if (e->hist_kvno_diff_clnt_integer != -1) { 282 add_kvno_diff(context, &princ, 0, e->hist_kvno_diff_clnt_integer); 283 mask |= KADM5_TL_DATA; 284 } 285 if (e->hist_kvno_diff_svc_integer != -1) { 286 add_kvno_diff(context, &princ, 1, e->hist_kvno_diff_svc_integer); 287 mask |= KADM5_TL_DATA; 288 } 289 } else 290 ret = edit_entry(&princ, &mask, NULL, 0); 291 if(ret == 0) { 292 ret = kadm5_modify_principal(kadm_handle, &princ, mask); 293 if(ret) 294 krb5_warn(context, ret, "kadm5_modify_principal"); 295 } 296 297 kadm5_free_principal_ent(kadm_handle, &princ); 298 return ret; 299 } 300 301 int 302 mod_entry(struct modify_options *opt, int argc, char **argv) 303 { 304 krb5_error_code ret = 0; 305 int i; 306 307 for(i = 0; i < argc; i++) { 308 ret = foreach_principal(argv[i], do_mod_entry, "mod", opt); 309 if (ret) 310 break; 311 } 312 return ret != 0; 313 } 314 315
Indexes created Sat Feb 28 05:31:39 UTC 2026