1 /* 2 * Copyright (c) 1997 - 2006 Kungliga Tekniska H�gskolan 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 RCSID("$Id: mod.c 21968 2007-10-18 18:50:33Z lha $"); 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 ret = copy_Principal(p, &ext.data.u.allowed_to_delegate_to.val[i]); 88 krb5_free_principal(context, p); 89 } 90 } 91 92 ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length, 93 &ext, &size, ret); 94 free_HDB_extension(&ext); 95 if (ret) 96 abort(); 97 if (buf.length != size) 98 abort(); 99 100 add_tl(princ, KRB5_TL_EXTENSION, &buf); 101 } 102 103 static void 104 add_aliases(krb5_context context, kadm5_principal_ent_rec *princ, 105 struct getarg_strings *strings) 106 { 107 krb5_error_code ret; 108 HDB_extension ext; 109 krb5_data buf; 110 krb5_principal p; 111 size_t size; 112 int i; 113 114 memset(&ext, 0, sizeof(ext)); 115 ext.mandatory = FALSE; 116 ext.data.element = choice_HDB_extension_data_aliases; 117 ext.data.u.aliases.case_insensitive = 0; 118 119 if (strings->num_strings == 1 && strings->strings[0][0] == '\0') { 120 ext.data.u.aliases.aliases.val = NULL; 121 ext.data.u.aliases.aliases.len = 0; 122 } else { 123 ext.data.u.aliases.aliases.val = 124 calloc(strings->num_strings, 125 sizeof(ext.data.u.aliases.aliases.val[0])); 126 ext.data.u.aliases.aliases.len = strings->num_strings; 127 128 for (i = 0; i < strings->num_strings; i++) { 129 ret = krb5_parse_name(context, strings->strings[i], &p); 130 ret = copy_Principal(p, &ext.data.u.aliases.aliases.val[i]); 131 krb5_free_principal(context, p); 132 } 133 } 134 135 ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length, 136 &ext, &size, ret); 137 free_HDB_extension(&ext); 138 if (ret) 139 abort(); 140 if (buf.length != size) 141 abort(); 142 143 add_tl(princ, KRB5_TL_EXTENSION, &buf); 144 } 145 146 static void 147 add_pkinit_acl(krb5_context context, kadm5_principal_ent_rec *princ, 148 struct getarg_strings *strings) 149 { 150 krb5_error_code ret; 151 HDB_extension ext; 152 krb5_data buf; 153 size_t size; 154 int i; 155 156 memset(&ext, 0, sizeof(ext)); 157 ext.mandatory = FALSE; 158 ext.data.element = choice_HDB_extension_data_pkinit_acl; 159 ext.data.u.aliases.case_insensitive = 0; 160 161 if (strings->num_strings == 1 && strings->strings[0][0] == '\0') { 162 ext.data.u.pkinit_acl.val = NULL; 163 ext.data.u.pkinit_acl.len = 0; 164 } else { 165 ext.data.u.pkinit_acl.val = 166 calloc(strings->num_strings, 167 sizeof(ext.data.u.pkinit_acl.val[0])); 168 ext.data.u.pkinit_acl.len = strings->num_strings; 169 170 for (i = 0; i < strings->num_strings; i++) { 171 ext.data.u.pkinit_acl.val[i].subject = estrdup(strings->strings[i]); 172 } 173 } 174 175 ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length, 176 &ext, &size, ret); 177 free_HDB_extension(&ext); 178 if (ret) 179 abort(); 180 if (buf.length != size) 181 abort(); 182 183 add_tl(princ, KRB5_TL_EXTENSION, &buf); 184 } 185 186 static int 187 do_mod_entry(krb5_principal principal, void *data) 188 { 189 krb5_error_code ret; 190 kadm5_principal_ent_rec princ; 191 int mask = 0; 192 struct modify_options *e = data; 193 194 memset (&princ, 0, sizeof(princ)); 195 ret = kadm5_get_principal(kadm_handle, principal, &princ, 196 KADM5_PRINCIPAL | KADM5_ATTRIBUTES | 197 KADM5_MAX_LIFE | KADM5_MAX_RLIFE | 198 KADM5_PRINC_EXPIRE_TIME | 199 KADM5_PW_EXPIRATION); 200 if(ret) 201 return ret; 202 203 if(e->max_ticket_life_string || 204 e->max_renewable_life_string || 205 e->expiration_time_string || 206 e->pw_expiration_time_string || 207 e->attributes_string || 208 e->kvno_integer != -1 || 209 e->constrained_delegation_strings.num_strings || 210 e->alias_strings.num_strings || 211 e->pkinit_acl_strings.num_strings) { 212 ret = set_entry(context, &princ, &mask, 213 e->max_ticket_life_string, 214 e->max_renewable_life_string, 215 e->expiration_time_string, 216 e->pw_expiration_time_string, 217 e->attributes_string); 218 if(e->kvno_integer != -1) { 219 princ.kvno = e->kvno_integer; 220 mask |= KADM5_KVNO; 221 } 222 if (e->constrained_delegation_strings.num_strings) { 223 add_constrained_delegation(context, &princ, 224 &e->constrained_delegation_strings); 225 mask |= KADM5_TL_DATA; 226 } 227 if (e->alias_strings.num_strings) { 228 add_aliases(context, &princ, &e->alias_strings); 229 mask |= KADM5_TL_DATA; 230 } 231 if (e->pkinit_acl_strings.num_strings) { 232 add_pkinit_acl(context, &princ, &e->pkinit_acl_strings); 233 mask |= KADM5_TL_DATA; 234 } 235 236 } else 237 ret = edit_entry(&princ, &mask, NULL, 0); 238 if(ret == 0) { 239 ret = kadm5_modify_principal(kadm_handle, &princ, mask); 240 if(ret) 241 krb5_warn(context, ret, "kadm5_modify_principal"); 242 } 243 244 kadm5_free_principal_ent(kadm_handle, &princ); 245 return ret; 246 } 247 248 int 249 mod_entry(struct modify_options *opt, int argc, char **argv) 250 { 251 krb5_error_code ret = 0; 252 int i; 253 254 for(i = 0; i < argc; i++) { 255 ret = foreach_principal(argv[i], do_mod_entry, "mod", opt); 256 if (ret) 257 break; 258 } 259 return ret != 0; 260 } 261 262