1  /*
  2   * Copyright (c) 1997-2001 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 "kadm5_locl.h"
 35  
 36  RCSID("$Id$");
 37  
 38  static kadm5_ret_t
 39  get_default(kadm5_server_context *context, krb5_principal princ,
 40  	    kadm5_principal_ent_t def)
 41  {
 42      kadm5_ret_t ret;
 43      krb5_principal def_principal;
 44      krb5_const_realm realm = krb5_principal_get_realm(context->context, princ);
 45  
 46      ret = krb5_make_principal(context->context, &def_principal,
 47  			      realm, "default", NULL);
 48      if (ret)
 49  	return ret;
 50      ret = kadm5_s_get_principal(context, def_principal, def,
 51  				KADM5_PRINCIPAL_NORMAL_MASK);
 52      krb5_free_principal (context->context, def_principal);
 53      return ret;
 54  }
 55  
 56  static kadm5_ret_t
 57  create_principal(kadm5_server_context *context,
 58  		 kadm5_principal_ent_t princ,
 59  		 uint32_t mask,
 60  		 hdb_entry_ex *ent,
 61  		 uint32_t required_mask,
 62  		 uint32_t forbidden_mask)
 63  {
 64      kadm5_ret_t ret;
 65      kadm5_principal_ent_rec defrec, *defent;
 66      uint32_t def_mask;
 67  
 68      memset(ent, 0, sizeof(*ent));
 69      if((mask & required_mask) != required_mask)
 70  	return KADM5_BAD_MASK;
 71      if((mask & forbidden_mask))
 72  	return KADM5_BAD_MASK;
 73      if((mask & KADM5_POLICY) && strcmp(princ->policy, "default"))
 74  	/* XXX no real policies for now */
 75  	return KADM5_UNK_POLICY;
 76      ret  = krb5_copy_principal(context->context, princ->principal,
 77  			       &ent->entry.principal);
 78      if(ret)
 79  	return ret;
 80  
 81      defent = &defrec;
 82      ret = get_default(context, princ->principal, defent);
 83      if(ret) {
 84  	defent   = NULL;
 85  	def_mask = 0;
 86      } else {
 87  	def_mask = KADM5_ATTRIBUTES | KADM5_MAX_LIFE | KADM5_MAX_RLIFE;
 88      }
 89  
 90      ret = _kadm5_setup_entry(context,
 91  			     ent, mask | def_mask,
 92  			     princ, mask,
 93  			     defent, def_mask);
 94      if(defent)
 95  	kadm5_free_principal_ent(context, defent);
 96      if (ret)
 97  	return ret;
 98  
 99      ent->entry.created_by.time = time(NULL);
100  
101      return krb5_copy_principal(context->context, context->caller,
102  			       &ent->entry.created_by.principal);
103  }
104  
105  kadm5_ret_t
106  kadm5_s_create_principal_with_key(void *server_handle,
107  				  kadm5_principal_ent_t princ,
108  				  uint32_t mask)
109  {
110      kadm5_ret_t ret;
111      hdb_entry_ex ent;
112      kadm5_server_context *context = server_handle;
113  
114      if ((mask & KADM5_KVNO) == 0) {
115  	/* create_principal() through _kadm5_setup_entry(), will need this */
116  	princ->kvno = 1;
117  	mask |= KADM5_KVNO;
118      }
119  
120      ret = create_principal(context, princ, mask, &ent,
121  			   KADM5_PRINCIPAL | KADM5_KEY_DATA,
122  			   KADM5_LAST_PWD_CHANGE | KADM5_MOD_TIME
123  			   | KADM5_MOD_NAME | KADM5_MKVNO
124  			   | KADM5_AUX_ATTRIBUTES
125  			   | KADM5_POLICY_CLR | KADM5_LAST_SUCCESS
126  			   | KADM5_LAST_FAILED | KADM5_FAIL_AUTH_COUNT);
127      if(ret)
128  	goto out;
129  
130      ret = hdb_seal_keys(context->context, context->db, &ent.entry);
131      if (ret)
132  	goto out;
133  
134      if (!context->keep_open) {
135  	ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
136  	if(ret)
137  	    goto out;
138      }
139      ret = context->db->hdb_store(context->context, context->db, 0, &ent);
140      if (!context->keep_open)
141  	context->db->hdb_close(context->context, context->db);
142      if (ret)
143  	goto out;
144      kadm5_log_create (context, &ent.entry);
145  
146  out:
147      hdb_free_entry(context->context, &ent);
148      return _kadm5_error_code(ret);
149  }
150  
151  
152  kadm5_ret_t
153  kadm5_s_create_principal(void *server_handle,
154  			 kadm5_principal_ent_t princ,
155  			 uint32_t mask,
156  			 const char *password,
157  			 int n_ks_tuple,
158  			 krb5_key_salt_tuple *ks_tuple)
159  {
160      kadm5_ret_t ret;
161      hdb_entry_ex ent;
162      kadm5_server_context *context = server_handle;
163  
164      if ((mask & KADM5_KVNO) == 0) {
165  	/* create_principal() through _kadm5_setup_entry(), will need this */
166  	princ->kvno = 1;
167  	mask |= KADM5_KVNO;
168      }
169  
170      ret = create_principal(context, princ, mask, &ent,
171  			   KADM5_PRINCIPAL,
172  			   KADM5_LAST_PWD_CHANGE | KADM5_MOD_TIME
173  			   | KADM5_MOD_NAME | KADM5_MKVNO
174  			   | KADM5_AUX_ATTRIBUTES | KADM5_KEY_DATA
175  			   | KADM5_POLICY_CLR | KADM5_LAST_SUCCESS
176  			   | KADM5_LAST_FAILED | KADM5_FAIL_AUTH_COUNT);
177      if(ret)
178  	goto out;
179  
180      ent.entry.keys.len = 0;
181      ent.entry.keys.val = NULL;
182  
183      ret = _kadm5_set_keys(context, &ent.entry, password, n_ks_tuple, ks_tuple);
184      if (ret)
185  	goto out;
186  
187      ret = hdb_seal_keys(context->context, context->db, &ent.entry);
188      if (ret)
189  	goto out;
190  
191      if (!context->keep_open) {
192  	ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
193  	if(ret)
194  	    goto out;
195      }
196      ret = context->db->hdb_store(context->context, context->db, 0, &ent);
197      if (!context->keep_open)
198  	context->db->hdb_close(context->context, context->db);
199      if (ret)
200  	goto out;
201  
202      kadm5_log_create (context, &ent.entry);
203  
204   out:
205      hdb_free_entry(context->context, &ent);
206      return _kadm5_error_code(ret);
207  }
208