mirror of
https://github.com/samba-team/samba.git
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d6b4327f11
(This used to be commit 57a145bff6
)
920 lines
26 KiB
C
920 lines
26 KiB
C
/*
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* Unix SMB/Netbios implementation. Version 1.9. SMB parameters and setup
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* Copyright (C) Andrew Tridgell 1992-1998
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* Copyright (C) Simo Sorce 2000
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* Copyright (C) Gerald Carter 2000
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* Copyright (C) Jeremy Allison 2001
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* Copyright (C) Andrew Bartlett 2002
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 675
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* Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "includes.h"
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#ifdef WITH_TDB_SAM
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#define PDB_VERSION "20010830"
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#define PASSDB_FILE_NAME "/passdb.tdb"
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#define TDB_FORMAT_STRING "ddddddBBBBBBBBBBBBddBBwdwdBdd"
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#define USERPREFIX "USER_"
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#define RIDPREFIX "RID_"
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struct tdbsam_privates {
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TDB_CONTEXT *passwd_tdb;
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TDB_DATA key;
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/* retrive-once info */
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const char *tdbsam_location;
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BOOL permit_non_unix_accounts;
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uint32 low_nua_rid;
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uint32 high_nua_rid;
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};
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/**********************************************************************
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Intialize a SAM_ACCOUNT struct from a BYTE buffer of size len
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*********************************************************************/
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static BOOL init_sam_from_buffer (struct tdbsam_privates *tdb_state,
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SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen)
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{
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/* times are stored as 32bit integer
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take care on system with 64bit wide time_t
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--SSS */
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uint32 logon_time,
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logoff_time,
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kickoff_time,
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pass_last_set_time,
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pass_can_change_time,
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pass_must_change_time;
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char *username;
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char *domain;
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char *nt_username;
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char *dir_drive;
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char *unknown_str;
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char *munged_dial;
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char *fullname;
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char *homedir;
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char *logon_script;
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char *profile_path;
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char *acct_desc;
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char *workstations;
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uint32 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 /* uid, gid,*/ user_rid, group_rid, unknown_3, hours_len, unknown_5, unknown_6;
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uint16 acct_ctrl, logon_divs;
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uint8 *hours;
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static uint8 *lm_pw_ptr, *nt_pw_ptr;
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uint32 len = 0;
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uint32 lmpwlen, ntpwlen, hourslen;
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BOOL ret = True;
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BOOL setflag;
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gid_t gid = -1; /* This is what standard sub advanced expects if no gid is known */
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if(sampass == NULL || buf == NULL) {
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DEBUG(0, ("init_sam_from_buffer: 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 (buf, buflen, TDB_FORMAT_STRING,
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&logon_time,
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&logoff_time,
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&kickoff_time,
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&pass_last_set_time,
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&pass_can_change_time,
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&pass_must_change_time,
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&username_len, &username,
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&domain_len, &domain,
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&nt_username_len, &nt_username,
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&fullname_len, &fullname,
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&homedir_len, &homedir,
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&dir_drive_len, &dir_drive,
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&logon_script_len, &logon_script,
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&profile_path_len, &profile_path,
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&acct_desc_len, &acct_desc,
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&workstations_len, &workstations,
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&unknown_str_len, &unknown_str,
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&munged_dial_len, &munged_dial,
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&user_rid,
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&group_rid,
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&lmpwlen, &lm_pw_ptr,
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&ntpwlen, &nt_pw_ptr,
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&acct_ctrl,
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&unknown_3,
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&logon_divs,
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&hours_len,
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&hourslen, &hours,
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&unknown_5,
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&unknown_6);
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if (len == -1) {
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ret = False;
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goto done;
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}
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if ((tdb_state->permit_non_unix_accounts)
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&& (pdb_get_user_rid(sampass) >= tdb_state->low_nua_rid)
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&& (pdb_get_user_rid(sampass) <= tdb_state->high_nua_rid)) {
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} else {
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struct passwd *pw;
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uid_t uid;
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/* validate the account and fill in UNIX uid and gid. Standard
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* getpwnam() is used instead of Get_Pwnam() as we do not need
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* to try case permutations
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*/
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if (!username || !(pw=getpwnam(username))) {
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DEBUG(0,("tdb_sam: getpwnam(%s) return NULL. User does not exist!\n",
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username?username:"NULL"));
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ret = False;
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goto done;
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}
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uid = pw->pw_uid;
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gid = pw->pw_gid;
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pdb_set_uid(sampass, uid);
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pdb_set_gid(sampass, gid);
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}
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pdb_set_logon_time(sampass, logon_time);
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pdb_set_logoff_time(sampass, logoff_time);
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pdb_set_kickoff_time(sampass, kickoff_time);
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pdb_set_pass_can_change_time(sampass, pass_can_change_time);
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pdb_set_pass_must_change_time(sampass, pass_must_change_time);
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pdb_set_pass_last_set_time(sampass, pass_last_set_time);
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pdb_set_username (sampass, username);
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pdb_set_domain (sampass, domain);
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pdb_set_nt_username (sampass, nt_username);
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pdb_set_fullname (sampass, fullname);
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if (homedir) setflag = True;
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else {
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setflag = False;
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homedir = strdup(lp_logon_home());
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if(!homedir) { ret = False; goto done; }
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standard_sub_advanced(-1, username, "", gid, username, homedir);
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DEBUG(5,("Home directory set back to %s\n", homedir));
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}
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pdb_set_homedir(sampass, homedir, setflag);
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if (dir_drive) setflag = True;
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else {
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setflag = False;
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dir_drive = strdup(lp_logon_drive());
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if(!dir_drive) { ret = False; goto done; }
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standard_sub_advanced(-1, username, "", gid, username, dir_drive);
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DEBUG(5,("Home directory set back to %s\n", dir_drive));
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}
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pdb_set_dir_drive(sampass, dir_drive, setflag);
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if (logon_script) setflag = True;
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else {
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setflag = False;
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logon_script = strdup(lp_logon_script());
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if(!logon_script) { ret = False; goto done; }
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standard_sub_advanced(-1, username, "", gid, username, logon_script);
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DEBUG(5,("Home directory set back to %s\n", logon_script));
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}
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pdb_set_logon_script(sampass, logon_script, setflag);
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if (profile_path) setflag = True;
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else {
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setflag = False;
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profile_path = strdup(lp_logon_path());
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if(!profile_path) { ret = False; goto done; }
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standard_sub_advanced(-1, username, "", gid, username, profile_path);
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DEBUG(5,("Home directory set back to %s\n", profile_path));
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}
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pdb_set_profile_path(sampass, profile_path, setflag);
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pdb_set_acct_desc (sampass, acct_desc);
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pdb_set_workstations (sampass, workstations);
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pdb_set_munged_dial (sampass, munged_dial);
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if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr)) {
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ret = False;
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goto done;
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}
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if (!pdb_set_nt_passwd(sampass, nt_pw_ptr)) {
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ret = False;
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goto done;
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}
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/*pdb_set_uid(sampass, uid);
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pdb_set_gid(sampass, gid);*/
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pdb_set_user_rid(sampass, user_rid);
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pdb_set_group_rid(sampass, group_rid);
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pdb_set_unknown_3(sampass, unknown_3);
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pdb_set_hours_len(sampass, hours_len);
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pdb_set_unknown_5(sampass, unknown_5);
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pdb_set_unknown_6(sampass, unknown_6);
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pdb_set_acct_ctrl(sampass, acct_ctrl);
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pdb_set_logon_divs(sampass, logon_divs);
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pdb_set_hours(sampass, hours);
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done:
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SAFE_FREE(username);
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SAFE_FREE(domain);
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SAFE_FREE(nt_username);
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SAFE_FREE(fullname);
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SAFE_FREE(homedir);
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SAFE_FREE(dir_drive);
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SAFE_FREE(logon_script);
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SAFE_FREE(profile_path);
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SAFE_FREE(acct_desc);
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SAFE_FREE(workstations);
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SAFE_FREE(munged_dial);
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return ret;
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}
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/**********************************************************************
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Intialize a BYTE buffer from a SAM_ACCOUNT struct
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*********************************************************************/
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static uint32 init_buffer_from_sam (struct tdbsam_privates *tdb_state, uint8 **buf,
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const SAM_ACCOUNT *sampass, uint32 user_rid, uint32 group_rid)
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{
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size_t len, buflen;
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/* times are stored as 32bit integer
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take care on system with 64bit wide time_t
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--SSS */
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uint32 logon_time,
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logoff_time,
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kickoff_time,
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pass_last_set_time,
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pass_can_change_time,
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pass_must_change_time;
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const char *username;
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const char *domain;
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const char *nt_username;
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const char *dir_drive;
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const char *unknown_str;
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const char *munged_dial;
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const char *fullname;
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const char *homedir;
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const char *logon_script;
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const char *profile_path;
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const char *acct_desc;
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const char *workstations;
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uint32 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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const uint8 *lm_pw;
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const uint8 *nt_pw;
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uint32 lm_pw_len = 16;
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uint32 nt_pw_len = 16;
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/* do we have a valid SAM_ACCOUNT pointer? */
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if (sampass == NULL) {
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DEBUG(0, ("init_buffer_from_sam: SAM_ACCOUNT is NULL!\n"));
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return -1;
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}
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*buf = NULL;
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buflen = 0;
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logon_time = (uint32)pdb_get_logon_time(sampass);
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logoff_time = (uint32)pdb_get_logoff_time(sampass);
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kickoff_time = (uint32)pdb_get_kickoff_time(sampass);
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pass_can_change_time = (uint32)pdb_get_pass_can_change_time(sampass);
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pass_must_change_time = (uint32)pdb_get_pass_must_change_time(sampass);
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pass_last_set_time = (uint32)pdb_get_pass_last_set_time(sampass);
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username = pdb_get_username(sampass);
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if (username) username_len = strlen(username) +1;
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else username_len = 0;
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domain = pdb_get_domain(sampass);
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if (domain) domain_len = strlen(domain) +1;
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else domain_len = 0;
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nt_username = pdb_get_nt_username(sampass);
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if (nt_username) nt_username_len = strlen(nt_username) +1;
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else nt_username_len = 0;
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fullname = pdb_get_fullname(sampass);
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if (fullname) fullname_len = strlen(fullname) +1;
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else fullname_len = 0;
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/*
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* Only updates fields which have been set (not defaults from smb.conf)
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*/
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if (IS_SAM_SET(sampass, FLAG_SAM_DRIVE)) dir_drive = pdb_get_dirdrive(sampass);
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else dir_drive = NULL;
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if (dir_drive) dir_drive_len = strlen(dir_drive) +1;
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else dir_drive_len = 0;
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if (IS_SAM_SET(sampass, FLAG_SAM_SMBHOME)) homedir = pdb_get_homedir(sampass);
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else homedir = NULL;
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if (homedir) homedir_len = strlen(homedir) +1;
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else homedir_len = 0;
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if (IS_SAM_SET(sampass, FLAG_SAM_LOGONSCRIPT)) logon_script = pdb_get_logon_script(sampass);
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else logon_script = NULL;
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if (logon_script) logon_script_len = strlen(logon_script) +1;
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else logon_script_len = 0;
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if (IS_SAM_SET(sampass, FLAG_SAM_PROFILE)) profile_path = pdb_get_profile_path(sampass);
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else profile_path = NULL;
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if (profile_path) profile_path_len = strlen(profile_path) +1;
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else profile_path_len = 0;
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lm_pw = pdb_get_lanman_passwd(sampass);
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if (!lm_pw) lm_pw_len = 0;
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nt_pw = pdb_get_nt_passwd(sampass);
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if (!nt_pw) nt_pw_len = 0;
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acct_desc = pdb_get_acct_desc(sampass);
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if (acct_desc) acct_desc_len = strlen(acct_desc) +1;
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else acct_desc_len = 0;
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workstations = pdb_get_workstations(sampass);
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if (workstations) workstations_len = strlen(workstations) +1;
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else workstations_len = 0;
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unknown_str = NULL;
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unknown_str_len = 0;
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munged_dial = pdb_get_munged_dial(sampass);
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if (munged_dial) munged_dial_len = strlen(munged_dial) +1;
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else munged_dial_len = 0;
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/* one time to get the size needed */
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len = tdb_pack(NULL, 0, TDB_FORMAT_STRING,
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logon_time,
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logoff_time,
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kickoff_time,
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pass_last_set_time,
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pass_can_change_time,
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pass_must_change_time,
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username_len, username,
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domain_len, domain,
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nt_username_len, nt_username,
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fullname_len, fullname,
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homedir_len, homedir,
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dir_drive_len, dir_drive,
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logon_script_len, logon_script,
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profile_path_len, profile_path,
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acct_desc_len, acct_desc,
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workstations_len, workstations,
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unknown_str_len, unknown_str,
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munged_dial_len, munged_dial,
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user_rid,
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group_rid,
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lm_pw_len, lm_pw,
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nt_pw_len, nt_pw,
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pdb_get_acct_ctrl(sampass),
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pdb_get_unknown3(sampass),
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pdb_get_logon_divs(sampass),
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pdb_get_hours_len(sampass),
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MAX_HOURS_LEN, pdb_get_hours(sampass),
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pdb_get_unknown5(sampass),
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pdb_get_unknown6(sampass));
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/* malloc the space needed */
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if ( (*buf=(uint8*)malloc(len)) == NULL) {
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DEBUG(0,("init_buffer_from_sam: Unable to malloc() memory for buffer!\n"));
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return (-1);
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}
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/* now for the real call to tdb_pack() */
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buflen = tdb_pack(*buf, len, TDB_FORMAT_STRING,
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logon_time,
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logoff_time,
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kickoff_time,
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pass_last_set_time,
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pass_can_change_time,
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pass_must_change_time,
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username_len, username,
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domain_len, domain,
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nt_username_len, nt_username,
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fullname_len, fullname,
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homedir_len, homedir,
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dir_drive_len, dir_drive,
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logon_script_len, logon_script,
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profile_path_len, profile_path,
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acct_desc_len, acct_desc,
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workstations_len, workstations,
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unknown_str_len, unknown_str,
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munged_dial_len, munged_dial,
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user_rid,
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group_rid,
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lm_pw_len, lm_pw,
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nt_pw_len, nt_pw,
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pdb_get_acct_ctrl(sampass),
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pdb_get_unknown3(sampass),
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pdb_get_logon_divs(sampass),
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pdb_get_hours_len(sampass),
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MAX_HOURS_LEN, pdb_get_hours(sampass),
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pdb_get_unknown5(sampass),
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pdb_get_unknown6(sampass));
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/* check to make sure we got it correct */
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if (buflen != len) {
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DEBUG(0, ("init_buffer_from_sam: somthing odd is going on here: bufflen (%d) != len (%d) in tdb_pack operations!\n",
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buflen, len));
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/* error */
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SAFE_FREE (*buf);
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return (-1);
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}
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return (buflen);
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}
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/***************************************************************
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Open the TDB passwd database for SAM account enumeration.
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****************************************************************/
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static BOOL tdbsam_setsampwent(struct pdb_context *context, BOOL update)
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{
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struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data;
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/* Open tdb passwd */
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if (!(tdb_state->passwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, update?(O_RDWR|O_CREAT):O_RDONLY, 0600)))
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|
{
|
|
DEBUG(0, ("Unable to open/create TDB passwd\n"));
|
|
return False;
|
|
}
|
|
|
|
tdb_state->key = tdb_firstkey(tdb_state->passwd_tdb);
|
|
|
|
return True;
|
|
}
|
|
|
|
static void close_tdb(struct tdbsam_privates *tdb_state)
|
|
{
|
|
if (tdb_state->passwd_tdb) {
|
|
tdb_close(tdb_state->passwd_tdb);
|
|
tdb_state->passwd_tdb = NULL;
|
|
}
|
|
}
|
|
|
|
/***************************************************************
|
|
End enumeration of the TDB passwd list.
|
|
****************************************************************/
|
|
|
|
static void tdbsam_endsampwent(struct pdb_context *context)
|
|
{
|
|
struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data;
|
|
close_tdb(tdb_state);
|
|
|
|
DEBUG(7, ("endtdbpwent: closed sam database.\n"));
|
|
}
|
|
|
|
/*****************************************************************
|
|
Get one SAM_ACCOUNT from the TDB (next in line)
|
|
*****************************************************************/
|
|
|
|
static BOOL tdbsam_getsampwent(struct pdb_context *context, SAM_ACCOUNT *user)
|
|
{
|
|
struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data;
|
|
TDB_DATA data;
|
|
char *prefix = USERPREFIX;
|
|
int prefixlen = strlen (prefix);
|
|
|
|
|
|
if (user==NULL) {
|
|
DEBUG(0,("pdb_get_sampwent: SAM_ACCOUNT is NULL.\n"));
|
|
return False;
|
|
}
|
|
|
|
/* skip all non-USER entries (eg. RIDs) */
|
|
while ((tdb_state->key.dsize != 0) && (strncmp(tdb_state->key.dptr, prefix, prefixlen)))
|
|
/* increment to next in line */
|
|
tdb_state->key = tdb_nextkey(tdb_state->passwd_tdb, tdb_state->key);
|
|
|
|
/* do we have an valid interation pointer? */
|
|
if(tdb_state->passwd_tdb == NULL) {
|
|
DEBUG(0,("pdb_get_sampwent: Bad TDB Context pointer.\n"));
|
|
return False;
|
|
}
|
|
|
|
data = tdb_fetch(tdb_state->passwd_tdb, tdb_state->key);
|
|
if (!data.dptr) {
|
|
DEBUG(5,("pdb_getsampwent: database entry not found.\n"));
|
|
return False;
|
|
}
|
|
|
|
/* unpack the buffer */
|
|
if (!init_sam_from_buffer(tdb_state, user, data.dptr, data.dsize)) {
|
|
DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n"));
|
|
SAFE_FREE(data.dptr);
|
|
return False;
|
|
}
|
|
SAFE_FREE(data.dptr);
|
|
|
|
/* increment to next in line */
|
|
tdb_state->key = tdb_nextkey(tdb_state->passwd_tdb, tdb_state->key);
|
|
|
|
return True;
|
|
}
|
|
|
|
/******************************************************************
|
|
Lookup a name in the SAM TDB
|
|
******************************************************************/
|
|
|
|
static BOOL tdbsam_getsampwnam (struct pdb_context *context, SAM_ACCOUNT *user, const char *sname)
|
|
{
|
|
struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data;
|
|
TDB_CONTEXT *pwd_tdb;
|
|
TDB_DATA data, key;
|
|
fstring keystr;
|
|
fstring name;
|
|
|
|
if (user==NULL) {
|
|
DEBUG(0,("pdb_getsampwnam: SAM_ACCOUNT is NULL.\n"));
|
|
return False;
|
|
}
|
|
|
|
/* Data is stored in all lower-case */
|
|
unix_strlower(sname, -1, name, sizeof(name));
|
|
|
|
/* set search key */
|
|
slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
|
|
key.dptr = keystr;
|
|
key.dsize = strlen(keystr) + 1;
|
|
|
|
/* open the accounts TDB */
|
|
if (!(pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDONLY, 0600))) {
|
|
DEBUG(0, ("pdb_getsampwnam: Unable to open TDB passwd (%s)!\n", tdb_state->tdbsam_location));
|
|
return False;
|
|
}
|
|
|
|
/* get the record */
|
|
data = tdb_fetch(pwd_tdb, key);
|
|
if (!data.dptr) {
|
|
DEBUG(5,("pdb_getsampwnam (TDB): error fetching database.\n"));
|
|
DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
|
|
DEBUGADD(5, (" Key: %s\n", keystr));
|
|
tdb_close(pwd_tdb);
|
|
return False;
|
|
}
|
|
|
|
/* unpack the buffer */
|
|
if (!init_sam_from_buffer(tdb_state, user, data.dptr, data.dsize)) {
|
|
DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n"));
|
|
SAFE_FREE(data.dptr);
|
|
tdb_close(pwd_tdb);
|
|
return False;
|
|
}
|
|
SAFE_FREE(data.dptr);
|
|
|
|
/* no further use for database, close it now */
|
|
tdb_close(pwd_tdb);
|
|
|
|
return True;
|
|
}
|
|
|
|
/***************************************************************************
|
|
Search by rid
|
|
**************************************************************************/
|
|
|
|
static BOOL tdbsam_getsampwrid (struct pdb_context *context, SAM_ACCOUNT *user, uint32 rid)
|
|
{
|
|
struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data;
|
|
TDB_CONTEXT *pwd_tdb;
|
|
TDB_DATA data, key;
|
|
fstring keystr;
|
|
fstring name;
|
|
|
|
if (user==NULL) {
|
|
DEBUG(0,("pdb_getsampwrid: SAM_ACCOUNT is NULL.\n"));
|
|
return False;
|
|
}
|
|
|
|
/* set search key */
|
|
slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid);
|
|
key.dptr = keystr;
|
|
key.dsize = strlen (keystr) + 1;
|
|
|
|
/* open the accounts TDB */
|
|
if (!(pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDONLY, 0600))) {
|
|
DEBUG(0, ("pdb_getsampwrid: Unable to open TDB rid database!\n"));
|
|
return False;
|
|
}
|
|
|
|
/* get the record */
|
|
data = tdb_fetch (pwd_tdb, key);
|
|
if (!data.dptr) {
|
|
DEBUG(5,("pdb_getsampwrid (TDB): error fetching database.\n"));
|
|
DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
|
|
tdb_close (pwd_tdb);
|
|
return False;
|
|
}
|
|
|
|
fstrcpy (name, data.dptr);
|
|
SAFE_FREE(data.dptr);
|
|
|
|
tdb_close (pwd_tdb);
|
|
|
|
return tdbsam_getsampwnam (context, user, name);
|
|
}
|
|
|
|
/***************************************************************************
|
|
Delete a SAM_ACCOUNT
|
|
****************************************************************************/
|
|
|
|
static BOOL tdbsam_delete_sam_account(struct pdb_context *context, const SAM_ACCOUNT *sam_pass)
|
|
{
|
|
struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data;
|
|
TDB_CONTEXT *pwd_tdb;
|
|
TDB_DATA key;
|
|
fstring keystr;
|
|
uint32 rid;
|
|
fstring name;
|
|
|
|
unix_strlower(pdb_get_username(sam_pass), -1, name, sizeof(name));
|
|
|
|
/* open the TDB */
|
|
if (!(pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDWR, 0600))) {
|
|
DEBUG(0, ("Unable to open TDB passwd!"));
|
|
return False;
|
|
}
|
|
|
|
/* set the search key */
|
|
slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
|
|
key.dptr = keystr;
|
|
key.dsize = strlen (keystr) + 1;
|
|
|
|
rid = pdb_get_user_rid(sam_pass);
|
|
|
|
/* it's outaa here! 8^) */
|
|
if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) {
|
|
DEBUG(5, ("Error deleting entry from tdb passwd database!\n"));
|
|
DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
|
|
tdb_close(pwd_tdb);
|
|
return False;
|
|
}
|
|
|
|
/* delete also the RID key */
|
|
|
|
/* set the search key */
|
|
slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid);
|
|
key.dptr = keystr;
|
|
key.dsize = strlen (keystr) + 1;
|
|
|
|
/* it's outaa here! 8^) */
|
|
if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) {
|
|
DEBUG(5, ("Error deleting entry from tdb rid database!\n"));
|
|
DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
|
|
tdb_close(pwd_tdb);
|
|
return False;
|
|
}
|
|
|
|
tdb_close(pwd_tdb);
|
|
|
|
return True;
|
|
}
|
|
|
|
/***************************************************************************
|
|
Update the TDB SAM
|
|
****************************************************************************/
|
|
|
|
static BOOL tdb_update_sam(struct pdb_context *context, const SAM_ACCOUNT* newpwd, int flag)
|
|
{
|
|
struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data;
|
|
TDB_CONTEXT *pwd_tdb = NULL;
|
|
TDB_DATA key, data;
|
|
uint8 *buf = NULL;
|
|
fstring keystr;
|
|
fstring name;
|
|
BOOL ret = True;
|
|
uint32 user_rid;
|
|
uint32 group_rid;
|
|
int32 tdb_ret;
|
|
|
|
/* invalidate the existing TDB iterator if it is open */
|
|
if (tdb_state->passwd_tdb) {
|
|
tdb_close(tdb_state->passwd_tdb);
|
|
tdb_state->passwd_tdb = NULL;
|
|
}
|
|
|
|
/* open the account TDB passwd*/
|
|
pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDWR | O_CREAT, 0600);
|
|
if (!pwd_tdb)
|
|
{
|
|
DEBUG(0, ("tdb_update_sam: Unable to open TDB passwd (%s)!\n", tdb_state->tdbsam_location));
|
|
return False;
|
|
}
|
|
|
|
/* if we don't have a RID, then make them up. */
|
|
if (!(user_rid = pdb_get_user_rid(newpwd))) {
|
|
if (!tdb_state->permit_non_unix_accounts) {
|
|
DEBUG (0,("tdb_update_sam: Failing to store a SAM_ACCOUNT for [%s] without a RID\n",pdb_get_username(newpwd)));
|
|
ret = False;
|
|
goto done;
|
|
} else {
|
|
user_rid = tdb_state->low_nua_rid;
|
|
tdb_ret = tdb_change_int32_atomic(pwd_tdb, "NUA_NEXT_RID", &user_rid, RID_MULTIPLIER);
|
|
if (tdb_ret == -1) {
|
|
ret = False;
|
|
goto done;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!(group_rid = pdb_get_group_rid(newpwd))) {
|
|
if (!tdb_state->permit_non_unix_accounts) {
|
|
DEBUG (0,("tdb_update_sam: Failing to store a SAM_ACCOUNT for [%s] without a primary group RID\n",pdb_get_username(newpwd)));
|
|
ret = False;
|
|
goto done;
|
|
} else {
|
|
/* This seems like a good default choice for non-unix users */
|
|
group_rid = DOMAIN_GROUP_RID_USERS;
|
|
}
|
|
}
|
|
|
|
/* copy the SAM_ACCOUNT struct into a BYTE buffer for storage */
|
|
if ((data.dsize=init_buffer_from_sam (tdb_state, &buf, newpwd, user_rid, group_rid)) == -1) {
|
|
DEBUG(0,("tdb_update_sam: ERROR - Unable to copy SAM_ACCOUNT info BYTE buffer!\n"));
|
|
ret = False;
|
|
goto done;
|
|
}
|
|
data.dptr = buf;
|
|
|
|
unix_strlower(pdb_get_username(newpwd), -1, name, sizeof(name));
|
|
|
|
DEBUG(5, ("Storing %saccount %s with RID %d\n", flag == TDB_INSERT ? "(new) " : "", name, user_rid));
|
|
|
|
/* setup the USER index key */
|
|
slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
|
|
key.dptr = keystr;
|
|
key.dsize = strlen (keystr) + 1;
|
|
|
|
/* add the account */
|
|
if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) {
|
|
DEBUG(0, ("Unable to modify passwd TDB!"));
|
|
DEBUGADD(0, (" Error: %s", tdb_errorstr(pwd_tdb)));
|
|
DEBUGADD(0, (" occured while storing the main record (%s)\n", keystr));
|
|
ret = False;
|
|
goto done;
|
|
}
|
|
|
|
/* setup RID data */
|
|
data.dsize = sizeof(fstring);
|
|
data.dptr = name;
|
|
|
|
/* setup the RID index key */
|
|
slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, user_rid);
|
|
key.dptr = keystr;
|
|
key.dsize = strlen (keystr) + 1;
|
|
|
|
/* add the reference */
|
|
if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) {
|
|
DEBUG(0, ("Unable to modify TDB passwd !"));
|
|
DEBUGADD(0, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
|
|
DEBUGADD(0, (" occured while storing the RID index (%s)\n", keystr));
|
|
ret = False;
|
|
goto done;
|
|
}
|
|
|
|
done:
|
|
/* cleanup */
|
|
tdb_close (pwd_tdb);
|
|
SAFE_FREE(buf);
|
|
|
|
return (ret);
|
|
}
|
|
|
|
/***************************************************************************
|
|
Modifies an existing SAM_ACCOUNT
|
|
****************************************************************************/
|
|
|
|
static BOOL tdbsam_update_sam_account (struct pdb_context *context, const SAM_ACCOUNT *newpwd)
|
|
{
|
|
return (tdb_update_sam(context, newpwd, TDB_MODIFY));
|
|
}
|
|
|
|
/***************************************************************************
|
|
Adds an existing SAM_ACCOUNT
|
|
****************************************************************************/
|
|
|
|
static BOOL tdbsam_add_sam_account (struct pdb_context *context, const SAM_ACCOUNT *newpwd)
|
|
{
|
|
return (tdb_update_sam(context, newpwd, TDB_INSERT));
|
|
}
|
|
|
|
static void free_private_data(void **vp)
|
|
{
|
|
struct tdbsam_privates **tdb_state = (struct tdbsam_privates **)vp;
|
|
close_tdb(*tdb_state);
|
|
*tdb_state = NULL;
|
|
|
|
/* No need to free any further, as it is talloc()ed */
|
|
}
|
|
|
|
|
|
NTSTATUS pdb_init_tdbsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
|
|
{
|
|
NTSTATUS nt_status;
|
|
struct tdbsam_privates *tdb_state;
|
|
|
|
if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) {
|
|
return nt_status;
|
|
}
|
|
|
|
(*pdb_method)->setsampwent = tdbsam_setsampwent;
|
|
(*pdb_method)->endsampwent = tdbsam_endsampwent;
|
|
(*pdb_method)->getsampwent = tdbsam_getsampwent;
|
|
(*pdb_method)->getsampwnam = tdbsam_getsampwnam;
|
|
(*pdb_method)->getsampwrid = tdbsam_getsampwrid;
|
|
(*pdb_method)->add_sam_account = tdbsam_add_sam_account;
|
|
(*pdb_method)->update_sam_account = tdbsam_update_sam_account;
|
|
(*pdb_method)->delete_sam_account = tdbsam_delete_sam_account;
|
|
|
|
/* TODO: Setup private data and free */
|
|
|
|
tdb_state = talloc_zero(pdb_context->mem_ctx, sizeof(struct tdbsam_privates));
|
|
|
|
if (!tdb_state) {
|
|
DEBUG(0, ("talloc() failed for tdbsam private_data!\n"));
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
if (location) {
|
|
tdb_state->tdbsam_location = talloc_strdup(pdb_context->mem_ctx, location);
|
|
} else {
|
|
pstring tdbfile;
|
|
get_private_directory(tdbfile);
|
|
pstrcat (tdbfile, PASSDB_FILE_NAME);
|
|
tdb_state->tdbsam_location = talloc_strdup(pdb_context->mem_ctx, tdbfile);
|
|
}
|
|
|
|
(*pdb_method)->private_data = tdb_state;
|
|
|
|
(*pdb_method)->free_private_data = free_private_data;
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
NTSTATUS pdb_init_tdbsam_nua(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
|
|
{
|
|
NTSTATUS nt_status;
|
|
struct tdbsam_privates *tdb_state;
|
|
uint32 low_nua_uid, high_nua_uid;
|
|
|
|
if (!NT_STATUS_IS_OK(nt_status = pdb_init_tdbsam(pdb_context, pdb_method, location))) {
|
|
return nt_status;
|
|
}
|
|
|
|
tdb_state = (*pdb_method)->private_data;
|
|
|
|
tdb_state->permit_non_unix_accounts = True;
|
|
|
|
if (!lp_non_unix_account_range(&low_nua_uid, &high_nua_uid)) {
|
|
DEBUG(0, ("cannot use tdbsam_nua without 'non unix account range' in smb.conf!\n"));
|
|
return NT_STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
tdb_state->low_nua_rid=pdb_uid_to_user_rid(low_nua_uid);
|
|
|
|
tdb_state->high_nua_rid=pdb_uid_to_user_rid(high_nua_uid);
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
|
|
#else
|
|
|
|
NTSTATUS pdb_init_tdbsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
|
|
{
|
|
DEBUG(0, ("tdbsam not compiled in!\n"));
|
|
return NT_STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
NTSTATUS pdb_init_tdbsam_nua(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
|
|
{
|
|
DEBUG(0, ("tdbsam_nua not compiled in!\n"));
|
|
return NT_STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
|
|
#endif
|