kadmin/mod.c

   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 RCSID("$Id$");
  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