source3/auth/user_info.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Authentication utility functions
   4    Copyright (C) Volker Lendecke 2010
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "includes.h"
  21
  22 #undef DBGC_CLASS
  23 #define DBGC_CLASS DBGC_AUTH
  24
  25 /****************************************************************************
  26  Create an auth_usersupplied_data structure
  27 ****************************************************************************/
  28
  29 NTSTATUS make_user_info(struct auth_usersupplied_info **user_info,
  30                         const char *smb_name,
  31                         const char *internal_username,
  32                         const char *client_domain,
  33                         const char *domain,
  34                         const char *workstation_name,
  35                         const DATA_BLOB *lm_pwd,
  36                         const DATA_BLOB *nt_pwd,
  37                         const struct samr_Password *lm_interactive_pwd,
  38                         const struct samr_Password *nt_interactive_pwd,
  39                         const char *plaintext_password,
  40                         enum auth_password_state password_state)
  41 {
  42
  43         DEBUG(5,("attempting to make a user_info for %s (%s)\n", internal_username, smb_name));
  44
  45         *user_info = SMB_MALLOC_P(struct auth_usersupplied_info);
  46         if (*user_info == NULL) {
  47                 DEBUG(0,("malloc failed for user_info (size %lu)\n", (unsigned long)sizeof(*user_info)));
  48                 return NT_STATUS_NO_MEMORY;
  49         }
  50
  51         ZERO_STRUCTP(*user_info);
  52
  53         DEBUG(5,("making strings for %s's user_info struct\n", internal_username));
  54
  55         (*user_info)->client.account_name = SMB_STRDUP(smb_name);
  56         if ((*user_info)->client.account_name == NULL) {
  57                 free_user_info(user_info);
  58                 return NT_STATUS_NO_MEMORY;
  59         }
  60
  61         (*user_info)->mapped.account_name = SMB_STRDUP(internal_username);
  62         if ((*user_info)->mapped.account_name == NULL) {
  63                 free_user_info(user_info);
  64                 return NT_STATUS_NO_MEMORY;
  65         }
  66
  67         (*user_info)->mapped.domain_name = SMB_STRDUP(domain);
  68         if ((*user_info)->mapped.domain_name == NULL) {
  69                 free_user_info(user_info);
  70                 return NT_STATUS_NO_MEMORY;
  71         }
  72
  73         (*user_info)->client.domain_name = SMB_STRDUP(client_domain);
  74         if ((*user_info)->client.domain_name == NULL) {
  75                 free_user_info(user_info);
  76                 return NT_STATUS_NO_MEMORY;
  77         }
  78
  79         (*user_info)->workstation_name = SMB_STRDUP(workstation_name);
  80         if ((*user_info)->workstation_name == NULL) {
  81                 free_user_info(user_info);
  82                 return NT_STATUS_NO_MEMORY;
  83         }
  84
  85         DEBUG(5,("making blobs for %s's user_info struct\n", internal_username));
  86
  87         if (lm_pwd)
  88                 (*user_info)->password.response.lanman = data_blob(lm_pwd->data, lm_pwd->length);
  89         if (nt_pwd)
  90                 (*user_info)->password.response.nt = data_blob(nt_pwd->data, nt_pwd->length);
  91         if (lm_interactive_pwd) {
  92                 (*user_info)->password.hash.lanman = SMB_MALLOC_P(struct samr_Password);
  93                 memcpy((*user_info)->password.hash.lanman->hash, lm_interactive_pwd->hash, sizeof((*user_info)->password.hash.lanman->hash));
  94         }
  95
  96         if (nt_interactive_pwd) {
  97                 (*user_info)->password.hash.nt = SMB_MALLOC_P(struct samr_Password);
  98                 memcpy((*user_info)->password.hash.nt->hash, nt_interactive_pwd->hash, sizeof((*user_info)->password.hash.nt->hash));
  99         }
 100
 101         if (plaintext_password)
 102                 (*user_info)->password.plaintext = SMB_STRDUP(plaintext_password);
 103
 104         (*user_info)->password_state = password_state;
 105
 106         (*user_info)->logon_parameters = 0;
 107
 108         DEBUG(10,("made a user_info for %s (%s)\n", internal_username, smb_name));
 109
 110         return NT_STATUS_OK;
 111 }
 112
 113 /***************************************************************************
 114  Free a user_info struct
 115 ***************************************************************************/
 116
 117 void free_user_info(struct auth_usersupplied_info **user_info)
 118 {
 119         DEBUG(5,("attempting to free (and zero) a user_info structure\n"));
 120         if (*user_info != NULL) {
 121                 if ((*user_info)->client.account_name) {
 122                         DEBUG(10,("structure was created for %s\n",
 123                                   (*user_info)->client.account_name));
 124                 }
 125                 SAFE_FREE((*user_info)->client.account_name);
 126                 SAFE_FREE((*user_info)->mapped.account_name);
 127                 SAFE_FREE((*user_info)->client.domain_name);
 128                 SAFE_FREE((*user_info)->mapped.domain_name);
 129                 SAFE_FREE((*user_info)->workstation_name);
 130                 data_blob_free(&(*user_info)->password.response.lanman);
 131                 data_blob_free(&(*user_info)->password.response.nt);
 132                 if ((*user_info)->password.hash.lanman) {
 133                         ZERO_STRUCTP((*user_info)->password.hash.lanman);
 134                         SAFE_FREE((*user_info)->password.hash.lanman);
 135                 }
 136                 if ((*user_info)->password.hash.nt) {
 137                         ZERO_STRUCTP((*user_info)->password.hash.nt);
 138                         SAFE_FREE((*user_info)->password.hash.nt);
 139                 }
 140                 if ((*user_info)->password.plaintext) {
 141                         memset((*user_info)->password.plaintext, '\0', strlen(((*user_info)->password.plaintext)));
 142                         SAFE_FREE((*user_info)->password.plaintext);
 143                 }
 144                 ZERO_STRUCT(**user_info);
 145         }
 146         SAFE_FREE(*user_info);
 147 }