mirror of
https://github.com/samba-team/samba.git
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172a83d724
Split of system/locale.h header from system/iconv.h
Previously, iconv wasn't being used on these systems
(This used to be commit aa6d66fda6)
264 lines
8.9 KiB
C
264 lines
8.9 KiB
C
/*
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Unix SMB/CIFS implementation.
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tdb passdb backend format routines
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Copyright (C) Simo Sorce 2000-2003
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Copyright (C) Jelmer Vernooij 2005
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "includes.h"
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#include "system/filesys.h"
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#include "lib/tdb/include/tdbutil.h"
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#include "lib/samba3/samba3.h"
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#define TDB_FORMAT_STRING_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd"
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#define TDB_FORMAT_STRING_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd"
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#define TDB_FORMAT_STRING_V2 "dddddddBBBBBBBBBBBBddBBBwwdBwwd"
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#define TDBSAM_VERSION_STRING "INFO/version"
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static BOOL init_sam_from_buffer_v0(TDB_CONTEXT *tdb, struct samba3_samaccount *sampass, TDB_DATA buf)
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{
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uint32_t username_len, domain_len, nt_username_len,
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dir_drive_len, unknown_str_len, munged_dial_len,
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fullname_len, homedir_len, logon_script_len,
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profile_path_len, acct_desc_len, workstations_len;
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uint32_t remove_me;
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uint32_t len = 0;
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uint32_t lm_pw_len, nt_pw_len, hourslen;
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if(sampass == NULL || buf.dptr == NULL) {
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DEBUG(0, ("init_sam_from_buffer_v0: NULL parameters found!\n"));
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return False;
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}
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/* unpack the buffer into variables */
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len = tdb_unpack (tdb, (char *)buf.dptr, buf.dsize, TDB_FORMAT_STRING_V0,
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&sampass->logon_time, /* d */
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&sampass->logoff_time, /* d */
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&sampass->kickoff_time, /* d */
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&sampass->pass_last_set_time, /* d */
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&sampass->pass_can_change_time, /* d */
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&sampass->pass_must_change_time, /* d */
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&username_len, &sampass->username, /* B */
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&domain_len, &sampass->domain, /* B */
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&nt_username_len, &sampass->nt_username, /* B */
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&fullname_len, &sampass->fullname, /* B */
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&homedir_len, &sampass->homedir, /* B */
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&dir_drive_len, &sampass->dir_drive, /* B */
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&logon_script_len, &sampass->logon_script, /* B */
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&profile_path_len, &sampass->profile_path, /* B */
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&acct_desc_len, &sampass->acct_desc, /* B */
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&workstations_len, &sampass->workstations, /* B */
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&unknown_str_len, &sampass->unknown_str, /* B */
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&munged_dial_len, &sampass->munged_dial, /* B */
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&sampass->user_rid, /* d */
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&sampass->group_rid, /* d */
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&lm_pw_len, sampass->lm_pw.hash, /* B */
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&nt_pw_len, sampass->nt_pw.hash, /* B */
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&sampass->acct_ctrl, /* w */
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&remove_me, /* remove on the next TDB_FORMAT upgarde */ /* d */
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&sampass->logon_divs, /* w */
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&sampass->hours_len, /* d */
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&hourslen, &sampass->hours, /* B */
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&sampass->bad_password_count, /* w */
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&sampass->logon_count, /* w */
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&sampass->unknown_6); /* d */
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if (len == (uint32_t) -1) {
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return False;
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}
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return True;
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}
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static BOOL init_sam_from_buffer_v1(TDB_CONTEXT *tdb, struct samba3_samaccount *sampass, TDB_DATA buf)
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{
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uint32_t username_len, domain_len, nt_username_len,
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dir_drive_len, unknown_str_len, munged_dial_len,
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fullname_len, homedir_len, logon_script_len,
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profile_path_len, acct_desc_len, workstations_len;
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uint32_t remove_me;
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uint32_t len = 0;
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uint32_t lm_pw_len, nt_pw_len, hourslen;
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if(sampass == NULL || buf.dptr == NULL) {
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DEBUG(0, ("init_sam_from_buffer_v1: NULL parameters found!\n"));
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return False;
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}
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/* unpack the buffer into variables */
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len = tdb_unpack (tdb, (char *)buf.dptr, buf.dsize, TDB_FORMAT_STRING_V1,
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&sampass->logon_time, /* d */
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&sampass->logoff_time, /* d */
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&sampass->kickoff_time, /* d */
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/* Change from V0 is addition of bad_password_time field. */
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&sampass->bad_password_time, /* d */
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&sampass->pass_last_set_time, /* d */
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&sampass->pass_can_change_time, /* d */
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&sampass->pass_must_change_time, /* d */
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&username_len, &sampass->username, /* B */
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&domain_len, &sampass->domain, /* B */
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&nt_username_len, &sampass->nt_username, /* B */
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&fullname_len, &sampass->fullname, /* B */
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&homedir_len, &sampass->homedir, /* B */
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&dir_drive_len, &sampass->dir_drive, /* B */
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&logon_script_len, &sampass->logon_script, /* B */
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&profile_path_len, &sampass->profile_path, /* B */
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&acct_desc_len, &sampass->acct_desc, /* B */
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&workstations_len, &sampass->workstations, /* B */
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&unknown_str_len, &sampass->unknown_str, /* B */
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&munged_dial_len, &sampass->munged_dial, /* B */
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&sampass->user_rid, /* d */
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&sampass->group_rid, /* d */
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&lm_pw_len, sampass->lm_pw.hash, /* B */
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&nt_pw_len, sampass->nt_pw.hash, /* B */
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&sampass->acct_ctrl, /* w */
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&remove_me, /* d */
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&sampass->logon_divs, /* w */
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&sampass->hours_len, /* d */
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&hourslen, &sampass->hours, /* B */
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&sampass->bad_password_count, /* w */
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&sampass->logon_count, /* w */
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&sampass->unknown_6); /* d */
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if (len == (uint32_t) -1) {
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return False;
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}
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return True;
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}
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static BOOL init_sam_from_buffer_v2(TDB_CONTEXT *tdb, struct samba3_samaccount *sampass, TDB_DATA buf)
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{
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uint32_t username_len, domain_len, nt_username_len,
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dir_drive_len, unknown_str_len, munged_dial_len,
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fullname_len, homedir_len, logon_script_len,
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profile_path_len, acct_desc_len, workstations_len;
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uint32_t len = 0;
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uint32_t lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen;
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if(sampass == NULL || buf.dptr == NULL) {
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DEBUG(0, ("init_sam_from_buffer_v2: NULL parameters found!\n"));
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return False;
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}
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/* unpack the buffer into variables */
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len = tdb_unpack (tdb, (char *)buf.dptr, buf.dsize, TDB_FORMAT_STRING_V2,
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&sampass->logon_time, /* d */
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&sampass->logoff_time, /* d */
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&sampass->kickoff_time, /* d */
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&sampass->bad_password_time, /* d */
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&sampass->pass_last_set_time, /* d */
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&sampass->pass_can_change_time, /* d */
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&sampass->pass_must_change_time, /* d */
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&username_len, &sampass->username, /* B */
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&domain_len, &sampass->domain, /* B */
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&nt_username_len, &sampass->nt_username, /* B */
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&fullname_len, &sampass->fullname, /* B */
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&homedir_len, &sampass->homedir, /* B */
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&dir_drive_len, &sampass->dir_drive, /* B */
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&logon_script_len, &sampass->logon_script, /* B */
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&profile_path_len, &sampass->profile_path, /* B */
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&acct_desc_len, &sampass->acct_desc, /* B */
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&workstations_len, &sampass->workstations, /* B */
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&unknown_str_len, &sampass->unknown_str, /* B */
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&munged_dial_len, &sampass->munged_dial, /* B */
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&sampass->user_rid, /* d */
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&sampass->group_rid, /* d */
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&lm_pw_len, sampass->lm_pw.hash, /* B */
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&nt_pw_len, sampass->nt_pw.hash, /* B */
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/* Change from V1 is addition of password history field. */
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&nt_pw_hist_len, &sampass->nt_pw_hist_ptr, /* B */
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&sampass->acct_ctrl, /* w */
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/* Also "remove_me" field was removed. */
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&sampass->logon_divs, /* w */
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&sampass->hours_len, /* d */
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&hourslen, &sampass->hours, /* B */
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&sampass->bad_password_count, /* w */
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&sampass->logon_count, /* w */
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&sampass->unknown_6); /* d */
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if (len == (uint32_t) -1) {
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return False;
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}
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return True;
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}
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NTSTATUS samba3_read_tdbsam(const char *filename, TALLOC_CTX *ctx, struct samba3_samaccount **accounts, uint32_t *count)
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{
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int32_t version;
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TDB_CONTEXT *tdb;
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TDB_DATA key, val;
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/* Try to open tdb passwd */
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if (!(tdb = tdb_open(filename, 0, TDB_DEFAULT, O_RDONLY, 0600))) {
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DEBUG(0, ("Unable to open TDB passwd file '%s'\n", filename));
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return NT_STATUS_UNSUCCESSFUL;
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}
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/* Check the version */
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version = tdb_fetch_int32(tdb,
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TDBSAM_VERSION_STRING);
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if (version == -1)
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version = 0; /* Version not found, assume version 0 */
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/* Compare the version */
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if (version > 2) {
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/* Version more recent than the latest known */
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DEBUG(0, ("TDBSAM version unknown: %d\n", version));
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tdb_close(tdb);
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return NT_STATUS_NOT_SUPPORTED;
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}
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*accounts = NULL;
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*count = 0;
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for (key = tdb_firstkey(tdb); key.dptr; key = tdb_nextkey(tdb, key))
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{
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BOOL ret;
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if (strncmp((const char *)key.dptr, "USER_", 5) != 0)
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continue;
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val = tdb_fetch(tdb, key);
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*accounts = talloc_realloc(ctx, *accounts, struct samba3_samaccount, (*count)+1);
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switch (version)
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{
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case 0: ret = init_sam_from_buffer_v0(tdb, &(*accounts)[*count], val); break;
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case 1: ret = init_sam_from_buffer_v1(tdb, &(*accounts)[*count], val); break;
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case 2: ret = init_sam_from_buffer_v2(tdb, &(*accounts)[*count], val); break;
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default: ret = False; break;
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}
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if (!ret) {
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DEBUG(0, ("Unable to parse SAM account %s\n", key.dptr));
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}
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(*count)++;
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}
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tdb_close(tdb);
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return NT_STATUS_OK;
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}
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