passdb.c

samba-3.0.22.tar.gz 编译smb服务器的源码

	char *homedir = NULL;
	char *logon_script = NULL;
	char *profile_path = NULL;
	char *acct_desc = NULL;
	char *workstations = NULL;
	uint32	username_len, domain_len, nt_username_len,
		dir_drive_len, unknown_str_len, munged_dial_len,
		fullname_len, homedir_len, logon_script_len,
		profile_path_len, acct_desc_len, workstations_len;
		
	uint32	user_rid, group_rid, remove_me, hours_len, unknown_6;
	uint16	acct_ctrl, logon_divs;
	uint16	bad_password_count, logon_count;
	uint8	*hours = NULL;
	uint8	*lm_pw_ptr = NULL, *nt_pw_ptr = NULL;
	uint32		len = 0;
	uint32		lm_pw_len, nt_pw_len, hourslen;
	BOOL ret = True;
	
	if(sampass == NULL || buf == NULL) {
		DEBUG(0, ("init_sam_from_buffer_v0: NULL parameters found!\n"));
		return False;
	}

/* TDB_FORMAT_STRING_V0       "ddddddBBBBBBBBBBBBddBBwdwdBwwd" */

	/* unpack the buffer into variables */
	len = tdb_unpack ((char *)buf, buflen, TDB_FORMAT_STRING_V0,
		&logon_time,						/* d */
		&logoff_time,						/* d */
		&kickoff_time,						/* d */
		&pass_last_set_time,					/* d */
		&pass_can_change_time,					/* d */
		&pass_must_change_time,					/* d */
		&username_len, &username,				/* B */
		&domain_len, &domain,					/* B */
		&nt_username_len, &nt_username,				/* B */
		&fullname_len, &fullname,				/* B */
		&homedir_len, &homedir,					/* B */
		&dir_drive_len, &dir_drive,				/* B */
		&logon_script_len, &logon_script,			/* B */
		&profile_path_len, &profile_path,			/* B */
		&acct_desc_len, &acct_desc,				/* B */
		&workstations_len, &workstations,			/* B */
		&unknown_str_len, &unknown_str,				/* B */
		&munged_dial_len, &munged_dial,				/* B */
		&user_rid,						/* d */
		&group_rid,						/* d */
		&lm_pw_len, &lm_pw_ptr,					/* B */
		&nt_pw_len, &nt_pw_ptr,					/* B */
		&acct_ctrl,						/* w */
		&remove_me, /* remove on the next TDB_FORMAT upgarde */	/* d */
		&logon_divs,						/* w */
		&hours_len,						/* d */
		&hourslen, &hours,					/* B */
		&bad_password_count,					/* w */
		&logon_count,						/* w */
		&unknown_6);						/* d */
		
	if (len == (uint32) -1)  {
		ret = False;
		goto done;
	}

	pdb_set_logon_time(sampass, logon_time, PDB_SET);
	pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
	pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
	pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
	pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
	pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);

	pdb_set_username(sampass, username, PDB_SET); 
	pdb_set_domain(sampass, domain, PDB_SET);
	pdb_set_nt_username(sampass, nt_username, PDB_SET);
	pdb_set_fullname(sampass, fullname, PDB_SET);

	if (homedir) {
		pdb_set_homedir(sampass, homedir, PDB_SET);
	}
	else {
		pdb_set_homedir(sampass, 
			talloc_sub_basic(sampass->mem_ctx, username, lp_logon_home()),
			PDB_DEFAULT);
	}

	if (dir_drive) 	
		pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
	else {
		pdb_set_dir_drive(sampass, 
			talloc_sub_basic(sampass->mem_ctx,  username, lp_logon_drive()),
			PDB_DEFAULT);
	}

	if (logon_script) 
		pdb_set_logon_script(sampass, logon_script, PDB_SET);
	else {
		pdb_set_logon_script(sampass, 
			talloc_sub_basic(sampass->mem_ctx, username, lp_logon_script()),
			PDB_DEFAULT);
	}
	
	if (profile_path) {	
		pdb_set_profile_path(sampass, profile_path, PDB_SET);
	} else {
		pdb_set_profile_path(sampass, 
			talloc_sub_basic(sampass->mem_ctx, username, lp_logon_path()),
			PDB_DEFAULT);
	}

	pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
	pdb_set_workstations(sampass, workstations, PDB_SET);
	pdb_set_munged_dial(sampass, munged_dial, PDB_SET);

	if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
		if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
			ret = False;
			goto done;
		}
	}

	if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
		if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
			ret = False;
			goto done;
		}
	}

	pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
	pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
	pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
	pdb_set_hours_len(sampass, hours_len, PDB_SET);
	pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
	pdb_set_logon_count(sampass, logon_count, PDB_SET);
	pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
	pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
	pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
	pdb_set_hours(sampass, hours, PDB_SET);

done:

	SAFE_FREE(username);
	SAFE_FREE(domain);
	SAFE_FREE(nt_username);
	SAFE_FREE(fullname);
	SAFE_FREE(homedir);
	SAFE_FREE(dir_drive);
	SAFE_FREE(logon_script);
	SAFE_FREE(profile_path);
	SAFE_FREE(acct_desc);
	SAFE_FREE(workstations);
	SAFE_FREE(munged_dial);
	SAFE_FREE(unknown_str);
	SAFE_FREE(lm_pw_ptr);
	SAFE_FREE(nt_pw_ptr);
	SAFE_FREE(hours);

	return ret;
}

BOOL init_sam_from_buffer_v1(SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen)
{

	/* times are stored as 32bit integer
	   take care on system with 64bit wide time_t
	   --SSS */
	uint32	logon_time,
		logoff_time,
		kickoff_time,
		bad_password_time,
		pass_last_set_time,
		pass_can_change_time,
		pass_must_change_time;
	char *username = NULL;
	char *domain = NULL;
	char *nt_username = NULL;
	char *dir_drive = NULL;
	char *unknown_str = NULL;
	char *munged_dial = NULL;
	char *fullname = NULL;
	char *homedir = NULL;
	char *logon_script = NULL;
	char *profile_path = NULL;
	char *acct_desc = NULL;
	char *workstations = NULL;
	uint32	username_len, domain_len, nt_username_len,
		dir_drive_len, unknown_str_len, munged_dial_len,
		fullname_len, homedir_len, logon_script_len,
		profile_path_len, acct_desc_len, workstations_len;
		
	uint32	user_rid, group_rid, remove_me, hours_len, unknown_6;
	uint16	acct_ctrl, logon_divs;
	uint16	bad_password_count, logon_count;
	uint8	*hours = NULL;
	uint8	*lm_pw_ptr = NULL, *nt_pw_ptr = NULL;
	uint32		len = 0;
	uint32		lm_pw_len, nt_pw_len, hourslen;
	BOOL ret = True;
	
	if(sampass == NULL || buf == NULL) {
		DEBUG(0, ("init_sam_from_buffer_v1: NULL parameters found!\n"));
		return False;
	}

/* TDB_FORMAT_STRING_V1       "dddddddBBBBBBBBBBBBddBBwdwdBwwd" */

	/* unpack the buffer into variables */
	len = tdb_unpack ((char *)buf, buflen, TDB_FORMAT_STRING_V1,
		&logon_time,						/* d */
		&logoff_time,						/* d */
		&kickoff_time,						/* d */
		/* Change from V0 is addition of bad_password_time field. */
		&bad_password_time,					/* d */
		&pass_last_set_time,					/* d */
		&pass_can_change_time,					/* d */
		&pass_must_change_time,					/* d */
		&username_len, &username,				/* B */
		&domain_len, &domain,					/* B */
		&nt_username_len, &nt_username,				/* B */
		&fullname_len, &fullname,				/* B */
		&homedir_len, &homedir,					/* B */
		&dir_drive_len, &dir_drive,				/* B */
		&logon_script_len, &logon_script,			/* B */
		&profile_path_len, &profile_path,			/* B */
		&acct_desc_len, &acct_desc,				/* B */
		&workstations_len, &workstations,			/* B */
		&unknown_str_len, &unknown_str,				/* B */
		&munged_dial_len, &munged_dial,				/* B */
		&user_rid,						/* d */
		&group_rid,						/* d */
		&lm_pw_len, &lm_pw_ptr,					/* B */
		&nt_pw_len, &nt_pw_ptr,					/* B */
		&acct_ctrl,						/* w */
		&remove_me,						/* d */
		&logon_divs,						/* w */
		&hours_len,						/* d */
		&hourslen, &hours,					/* B */
		&bad_password_count,					/* w */
		&logon_count,						/* w */
		&unknown_6);						/* d */
		
	if (len == (uint32) -1)  {
		ret = False;
		goto done;
	}

	pdb_set_logon_time(sampass, logon_time, PDB_SET);
	pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
	pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);

	/* Change from V0 is addition of bad_password_time field. */
	pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
	pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
	pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
	pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);

	pdb_set_username(sampass, username, PDB_SET); 
	pdb_set_domain(sampass, domain, PDB_SET);
	pdb_set_nt_username(sampass, nt_username, PDB_SET);
	pdb_set_fullname(sampass, fullname, PDB_SET);

	if (homedir) {
		pdb_set_homedir(sampass, homedir, PDB_SET);
	}
	else {
		pdb_set_homedir(sampass, 
			talloc_sub_basic(sampass->mem_ctx, username, lp_logon_home()),
			PDB_DEFAULT);
	}

	if (dir_drive) 	
		pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
	else {
		pdb_set_dir_drive(sampass, 
			talloc_sub_basic(sampass->mem_ctx,  username, lp_logon_drive()),
			PDB_DEFAULT);
	}

	if (logon_script) 
		pdb_set_logon_script(sampass, logon_script, PDB_SET);
	else {
		pdb_set_logon_script(sampass, 
			talloc_sub_basic(sampass->mem_ctx, username, lp_logon_script()),
			PDB_DEFAULT);
	}
	
	if (profile_path) {	
		pdb_set_profile_path(sampass, profile_path, PDB_SET);
	} else {
		pdb_set_profile_path(sampass, 
			talloc_sub_basic(sampass->mem_ctx, username, lp_logon_path()),
			PDB_DEFAULT);
	}

	pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
	pdb_set_workstations(sampass, workstations, PDB_SET);
	pdb_set_munged_dial(sampass, munged_dial, PDB_SET);

	if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
		if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
			ret = False;
			goto done;
		}
	}

	if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
		if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
			ret = False;
			goto done;
		}
	}

	pdb_set_pw_history(sampass, NULL, 0, PDB_SET);

	pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
	pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
	pdb_set_hours_len(sampass, hours_len, PDB_SET);
	pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
	pdb_set_logon_count(sampass, logon_count, PDB_SET);
	pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
	pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
	pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
	pdb_set_hours(sampass, hours, PDB_SET);

done:

	SAFE_FREE(username);
	SAFE_FREE(domain);
	SAFE_FREE(nt_username);
	SAFE_FREE(fullname);
	SAFE_FREE(homedir);
	SAFE_FREE(dir_drive);
	SAFE_FREE(logon_script);
	SAFE_FREE(profile_path);
	SAFE_FREE(acct_desc);
	SAFE_FREE(workstations);
	SAFE_FREE(munged_dial);
	SAFE_FREE(unknown_str);
	SAFE_FREE(lm_pw_ptr);
	SAFE_FREE(nt_pw_ptr);
	SAFE_FREE(hours);

	return ret;
}


BOOL init_sam_from_buffer_v2(SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen)
{

	/* times are stored as 32bit integer
	   take care on system with 64bit wide time_t
	   --SSS */
	uint32	logon_time,
		logoff_time,
		kickoff_time,
		bad_password_time,
		pass_last_set_time,
		pass_can_change_time,
		pass_must_change_time;
	char *username = NULL;
	char *domain = NULL;
	char *nt_username = NULL;
	char *dir_drive = NULL;
	char *unknown_str = NULL;
	char *munged_dial = NULL;
	char *fullname = NULL;
	char *homedir = NULL;
	char *logon_script = NULL;
	char *profile_path = NULL;
	char *acct_desc = NULL;
	char *workstations = NULL;
	uint32	username_len, domain_len, nt_username_len,
		dir_drive_len, unknown_str_len, munged_dial_len,
		fullname_len, homedir_len, logon_script_len,
		profile_path_len, acct_desc_len, workstations_len;
		
	uint32	user_rid, group_rid, hours_len, unknown_6;
	uint16	acct_ctrl, logon_divs;
	uint16	bad_password_count, logon_count;
	uint8	*hours = NULL;
	uint8	*lm_pw_ptr = NULL, *nt_pw_ptr = NULL, *nt_pw_hist_ptr = NULL;
	uint32		len = 0;
	uint32		lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen;
	uint32 pwHistLen = 0;
	BOOL ret = True;
	fstring tmpstring;
	BOOL expand_explicit = lp_passdb_expand_explicit();
	
	if(sampass == NULL || buf == NULL) {
		DEBUG(0, ("init_sam_from_buffer_v2: NULL parameters found!\n"));
		return False;
	}
									
/* TDB_FORMAT_STRING_V2       "dddddddBBBBBBBBBBBBddBBBwwdBwwd" */

	/* unpack the buffer into variables */
	len = tdb_unpack ((char *)buf, buflen, TDB_FORMAT_STRING_V2,
		&logon_time,						/* d */
		&logoff_time,						/* d */
		&kickoff_time,						/* d */
		&bad_password_time,					/* d */
		&pass_last_set_time,					/* d */
		&pass_can_change_time,					/* d */
		&pass_must_change_time,					/* d */
		&username_len, &username,				/* B */
		&domain_len, &domain,					/* B */
		&nt_username_len, &nt_username,				/* B */
		&fullname_len, &fullname,				/* B */
		&homedir_len, &homedir,					/* B */
		&dir_drive_len, &dir_drive,				/* B */
		&logon_script_len, &logon_script,			/* B */
		&profile_path_len, &profile_path,			/* B */
		&acct_desc_len, &acct_desc,				/* B */
		&workstations_len, &workstations,			/* B */
		&unknown_str_len, &unknown_str,				/* B */
		&munged_dial_len, &munged_dial,				/* B */
		&user_rid,						/* d */
		&group_rid,						/* d */
		&lm_pw_len, &lm_pw_ptr,					/* B */
		&nt_pw_len, &nt_pw_ptr,					/* B */
		/* Change from V1 is addition of password history field. */
		&nt_pw_hist_len, &nt_pw_hist_ptr,			/* B */
		&acct_ctrl,						/* w */
		/* Also "remove_me" field was removed. */
		&logon_divs,						/* w */
		&hours_len,						/* d */
		&hourslen, &hours,					/* B */
		&bad_password_count,					/* w */
		&logon_count,						/* w */
		&unknown_6);						/* d */
		
	if (len == (uint32) -1)  {
		ret = False;
		goto done;
	}

	pdb_set_logon_time(sampass, logon_time, PDB_SET);
	pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
	pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
	pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
	pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
	pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
	pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);

	pdb_set_username(sampass, username, PDB_SET); 
	pdb_set_domain(sampass, domain, PDB_SET);
	pdb_set_nt_username(sampass, nt_username, PDB_SET);
	pdb_set_fullname(sampass, fullname, PDB_SET);

	if (homedir) {
		fstrcpy( tmpstring, homedir );
		if (expand_explicit) {
			standard_sub_basic( username, tmpstring,
					    sizeof(tmpstring) );
		}
		pdb_set_homedir(sampass, tmpstring, PDB_SET);
	}