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samba-mirror/source3/passdb/passdb.c
Steven Danneman 5cd4b7b7c0 s3: Added new parameter "map untrusted to domain"
When enabled this reverts smbd to the legacy domain remapping behavior when
a user provides an untrusted domain

This partially reverts d8c54fdd
2009-02-12 13:55:44 -08:00

2351 lines
67 KiB
C

/*
Unix SMB/CIFS implementation.
Password and authentication handling
Copyright (C) Jeremy Allison 1996-2001
Copyright (C) Luke Kenneth Casson Leighton 1996-1998
Copyright (C) Gerald (Jerry) Carter 2000-2006
Copyright (C) Andrew Bartlett 2001-2002
Copyright (C) Simo Sorce 2003
Copyright (C) Volker Lendecke 2006
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_PASSDB
/******************************************************************
Get the default domain/netbios name to be used when
testing authentication.
LEGACY: this function provides the legacy domain mapping used with
the lp_map_untrusted_to_domain() parameter
******************************************************************/
const char *my_sam_name(void)
{
/* Standalone servers can only use the local netbios name */
if ( lp_server_role() == ROLE_STANDALONE )
return global_myname();
/* Default to the DOMAIN name when not specified */
return lp_workgroup();
}
/**********************************************************************
***********************************************************************/
static int samu_destroy(struct samu *user)
{
data_blob_clear_free( &user->lm_pw );
data_blob_clear_free( &user->nt_pw );
if ( user->plaintext_pw )
memset( user->plaintext_pw, 0x0, strlen(user->plaintext_pw) );
return 0;
}
/**********************************************************************
generate a new struct samuser
***********************************************************************/
struct samu *samu_new( TALLOC_CTX *ctx )
{
struct samu *user;
if ( !(user = TALLOC_ZERO_P( ctx, struct samu )) ) {
DEBUG(0,("samuser_new: Talloc failed!\n"));
return NULL;
}
talloc_set_destructor( user, samu_destroy );
/* no initial methods */
user->methods = NULL;
/* Don't change these timestamp settings without a good reason.
They are important for NT member server compatibility. */
user->logon_time = (time_t)0;
user->pass_last_set_time = (time_t)0;
user->pass_can_change_time = (time_t)0;
user->logoff_time = get_time_t_max();
user->kickoff_time = get_time_t_max();
user->pass_must_change_time = get_time_t_max();
user->fields_present = 0x00ffffff;
user->logon_divs = 168; /* hours per week */
user->hours_len = 21; /* 21 times 8 bits = 168 */
memset(user->hours, 0xff, user->hours_len); /* available at all hours */
user->bad_password_count = 0;
user->logon_count = 0;
user->unknown_6 = 0x000004ec; /* don't know */
/* Some parts of samba strlen their pdb_get...() returns,
so this keeps the interface unchanged for now. */
user->username = "";
user->domain = "";
user->nt_username = "";
user->full_name = "";
user->home_dir = "";
user->logon_script = "";
user->profile_path = "";
user->acct_desc = "";
user->workstations = "";
user->comment = "";
user->munged_dial = "";
user->plaintext_pw = NULL;
/* Unless we know otherwise have a Account Control Bit
value of 'normal user'. This helps User Manager, which
asks for a filtered list of users. */
user->acct_ctrl = ACB_NORMAL;
return user;
}
/*********************************************************************
Initialize a struct samu from a struct passwd including the user
and group SIDs. The *user structure is filled out with the Unix
attributes and a user SID.
*********************************************************************/
static NTSTATUS samu_set_unix_internal(struct samu *user, const struct passwd *pwd, bool create)
{
const char *guest_account = lp_guestaccount();
const char *domain = global_myname();
uint32 urid;
if ( !pwd ) {
return NT_STATUS_NO_SUCH_USER;
}
/* Basic properties based upon the Unix account information */
pdb_set_username(user, pwd->pw_name, PDB_SET);
pdb_set_fullname(user, pwd->pw_gecos, PDB_SET);
pdb_set_domain (user, get_global_sam_name(), PDB_DEFAULT);
#if 0
/* This can lead to a primary group of S-1-22-2-XX which
will be rejected by other parts of the Samba code.
Rely on pdb_get_group_sid() to "Do The Right Thing" (TM)
--jerry */
gid_to_sid(&group_sid, pwd->pw_gid);
pdb_set_group_sid(user, &group_sid, PDB_SET);
#endif
/* save the password structure for later use */
user->unix_pw = tcopy_passwd( user, pwd );
/* Special case for the guest account which must have a RID of 501 */
if ( strequal( pwd->pw_name, guest_account ) ) {
if ( !pdb_set_user_sid_from_rid(user, DOMAIN_USER_RID_GUEST, PDB_DEFAULT)) {
return NT_STATUS_NO_SUCH_USER;
}
return NT_STATUS_OK;
}
/* Non-guest accounts...Check for a workstation or user account */
if (pwd->pw_name[strlen(pwd->pw_name)-1] == '$') {
/* workstation */
if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_DEFAULT)) {
DEBUG(1, ("Failed to set 'workstation account' flags for user %s.\n",
pwd->pw_name));
return NT_STATUS_INVALID_COMPUTER_NAME;
}
}
else {
/* user */
if (!pdb_set_acct_ctrl(user, ACB_NORMAL, PDB_DEFAULT)) {
DEBUG(1, ("Failed to set 'normal account' flags for user %s.\n",
pwd->pw_name));
return NT_STATUS_INVALID_ACCOUNT_NAME;
}
/* set some basic attributes */
pdb_set_profile_path(user, talloc_sub_specified(user,
lp_logon_path(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
PDB_DEFAULT);
pdb_set_homedir(user, talloc_sub_specified(user,
lp_logon_home(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
PDB_DEFAULT);
pdb_set_dir_drive(user, talloc_sub_specified(user,
lp_logon_drive(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
PDB_DEFAULT);
pdb_set_logon_script(user, talloc_sub_specified(user,
lp_logon_script(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
PDB_DEFAULT);
}
/* Now deal with the user SID. If we have a backend that can generate
RIDs, then do so. But sometimes the caller just wanted a structure
initialized and will fill in these fields later (such as from a
netr_SamInfo3 structure) */
if ( create && !pdb_rid_algorithm() ) {
uint32 user_rid;
DOM_SID user_sid;
if ( !pdb_new_rid( &user_rid ) ) {
DEBUG(3, ("Could not allocate a new RID\n"));
return NT_STATUS_ACCESS_DENIED;
}
sid_copy( &user_sid, get_global_sam_sid() );
sid_append_rid( &user_sid, user_rid );
if ( !pdb_set_user_sid(user, &user_sid, PDB_SET) ) {
DEBUG(3, ("pdb_set_user_sid failed\n"));
return NT_STATUS_INTERNAL_ERROR;
}
return NT_STATUS_OK;
}
/* generate a SID for the user with the RID algorithm */
urid = algorithmic_pdb_uid_to_user_rid( user->unix_pw->pw_uid );
if ( !pdb_set_user_sid_from_rid( user, urid, PDB_SET) ) {
return NT_STATUS_INTERNAL_ERROR;
}
return NT_STATUS_OK;
}
/********************************************************************
Set the Unix user attributes
********************************************************************/
NTSTATUS samu_set_unix(struct samu *user, const struct passwd *pwd)
{
return samu_set_unix_internal( user, pwd, False );
}
NTSTATUS samu_alloc_rid_unix(struct samu *user, const struct passwd *pwd)
{
return samu_set_unix_internal( user, pwd, True );
}
/**********************************************************
Encode the account control bits into a string.
length = length of string to encode into (including terminating
null). length *MUST BE MORE THAN 2* !
**********************************************************/
char *pdb_encode_acct_ctrl(uint32_t acct_ctrl, size_t length)
{
fstring acct_str;
char *result;
size_t i = 0;
SMB_ASSERT(length <= sizeof(acct_str));
acct_str[i++] = '[';
if (acct_ctrl & ACB_PWNOTREQ ) acct_str[i++] = 'N';
if (acct_ctrl & ACB_DISABLED ) acct_str[i++] = 'D';
if (acct_ctrl & ACB_HOMDIRREQ) acct_str[i++] = 'H';
if (acct_ctrl & ACB_TEMPDUP ) acct_str[i++] = 'T';
if (acct_ctrl & ACB_NORMAL ) acct_str[i++] = 'U';
if (acct_ctrl & ACB_MNS ) acct_str[i++] = 'M';
if (acct_ctrl & ACB_WSTRUST ) acct_str[i++] = 'W';
if (acct_ctrl & ACB_SVRTRUST ) acct_str[i++] = 'S';
if (acct_ctrl & ACB_AUTOLOCK ) acct_str[i++] = 'L';
if (acct_ctrl & ACB_PWNOEXP ) acct_str[i++] = 'X';
if (acct_ctrl & ACB_DOMTRUST ) acct_str[i++] = 'I';
for ( ; i < length - 2 ; i++ )
acct_str[i] = ' ';
i = length - 2;
acct_str[i++] = ']';
acct_str[i++] = '\0';
result = talloc_strdup(talloc_tos(), acct_str);
SMB_ASSERT(result != NULL);
return result;
}
/**********************************************************
Decode the account control bits from a string.
**********************************************************/
uint32_t pdb_decode_acct_ctrl(const char *p)
{
uint32_t acct_ctrl = 0;
bool finished = false;
/*
* Check if the account type bits have been encoded after the
* NT password (in the form [NDHTUWSLXI]).
*/
if (*p != '[')
return 0;
for (p++; *p && !finished; p++) {
switch (*p) {
case 'N': { acct_ctrl |= ACB_PWNOTREQ ; break; /* 'N'o password. */ }
case 'D': { acct_ctrl |= ACB_DISABLED ; break; /* 'D'isabled. */ }
case 'H': { acct_ctrl |= ACB_HOMDIRREQ; break; /* 'H'omedir required. */ }
case 'T': { acct_ctrl |= ACB_TEMPDUP ; break; /* 'T'emp account. */ }
case 'U': { acct_ctrl |= ACB_NORMAL ; break; /* 'U'ser account (normal). */ }
case 'M': { acct_ctrl |= ACB_MNS ; break; /* 'M'NS logon user account. What is this ? */ }
case 'W': { acct_ctrl |= ACB_WSTRUST ; break; /* 'W'orkstation account. */ }
case 'S': { acct_ctrl |= ACB_SVRTRUST ; break; /* 'S'erver account. */ }
case 'L': { acct_ctrl |= ACB_AUTOLOCK ; break; /* 'L'ocked account. */ }
case 'X': { acct_ctrl |= ACB_PWNOEXP ; break; /* No 'X'piry on password */ }
case 'I': { acct_ctrl |= ACB_DOMTRUST ; break; /* 'I'nterdomain trust account. */ }
case ' ': { break; }
case ':':
case '\n':
case '\0':
case ']':
default: { finished = true; }
}
}
return acct_ctrl;
}
/*************************************************************
Routine to set 32 hex password characters from a 16 byte array.
**************************************************************/
void pdb_sethexpwd(char p[33], const unsigned char *pwd, uint32 acct_ctrl)
{
if (pwd != NULL) {
int i;
for (i = 0; i < 16; i++)
slprintf(&p[i*2], 3, "%02X", pwd[i]);
} else {
if (acct_ctrl & ACB_PWNOTREQ)
safe_strcpy(p, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX", 32);
else
safe_strcpy(p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 32);
}
}
/*************************************************************
Routine to get the 32 hex characters and turn them
into a 16 byte array.
**************************************************************/
bool pdb_gethexpwd(const char *p, unsigned char *pwd)
{
int i;
unsigned char lonybble, hinybble;
const char *hexchars = "0123456789ABCDEF";
char *p1, *p2;
if (!p)
return false;
for (i = 0; i < 32; i += 2) {
hinybble = toupper_ascii(p[i]);
lonybble = toupper_ascii(p[i + 1]);
p1 = strchr(hexchars, hinybble);
p2 = strchr(hexchars, lonybble);
if (!p1 || !p2)
return false;
hinybble = PTR_DIFF(p1, hexchars);
lonybble = PTR_DIFF(p2, hexchars);
pwd[i / 2] = (hinybble << 4) | lonybble;
}
return true;
}
/*************************************************************
Routine to set 42 hex hours characters from a 21 byte array.
**************************************************************/
void pdb_sethexhours(char *p, const unsigned char *hours)
{
if (hours != NULL) {
int i;
for (i = 0; i < 21; i++) {
slprintf(&p[i*2], 3, "%02X", hours[i]);
}
} else {
safe_strcpy(p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", 43);
}
}
/*************************************************************
Routine to get the 42 hex characters and turn them
into a 21 byte array.
**************************************************************/
bool pdb_gethexhours(const char *p, unsigned char *hours)
{
int i;
unsigned char lonybble, hinybble;
const char *hexchars = "0123456789ABCDEF";
char *p1, *p2;
if (!p) {
return (False);
}
for (i = 0; i < 42; i += 2) {
hinybble = toupper_ascii(p[i]);
lonybble = toupper_ascii(p[i + 1]);
p1 = strchr(hexchars, hinybble);
p2 = strchr(hexchars, lonybble);
if (!p1 || !p2) {
return (False);
}
hinybble = PTR_DIFF(p1, hexchars);
lonybble = PTR_DIFF(p2, hexchars);
hours[i / 2] = (hinybble << 4) | lonybble;
}
return (True);
}
/********************************************************************
********************************************************************/
int algorithmic_rid_base(void)
{
int rid_offset;
rid_offset = lp_algorithmic_rid_base();
if (rid_offset < BASE_RID) {
/* Try to prevent admin foot-shooting, we can't put algorithmic
rids below 1000, that's the 'well known RIDs' on NT */
DEBUG(0, ("'algorithmic rid base' must be equal to or above %ld\n", BASE_RID));
rid_offset = BASE_RID;
}
if (rid_offset & 1) {
DEBUG(0, ("algorithmic rid base must be even\n"));
rid_offset += 1;
}
return rid_offset;
}
/*******************************************************************
Converts NT user RID to a UNIX uid.
********************************************************************/
uid_t algorithmic_pdb_user_rid_to_uid(uint32 user_rid)
{
int rid_offset = algorithmic_rid_base();
return (uid_t)(((user_rid & (~USER_RID_TYPE)) - rid_offset)/RID_MULTIPLIER);
}
uid_t max_algorithmic_uid(void)
{
return algorithmic_pdb_user_rid_to_uid(0xfffffffe);
}
/*******************************************************************
converts UNIX uid to an NT User RID.
********************************************************************/
uint32 algorithmic_pdb_uid_to_user_rid(uid_t uid)
{
int rid_offset = algorithmic_rid_base();
return (((((uint32)uid)*RID_MULTIPLIER) + rid_offset) | USER_RID_TYPE);
}
/*******************************************************************
Converts NT group RID to a UNIX gid.
********************************************************************/
gid_t pdb_group_rid_to_gid(uint32 group_rid)
{
int rid_offset = algorithmic_rid_base();
return (gid_t)(((group_rid & (~GROUP_RID_TYPE))- rid_offset)/RID_MULTIPLIER);
}
gid_t max_algorithmic_gid(void)
{
return pdb_group_rid_to_gid(0xffffffff);
}
/*******************************************************************
converts NT Group RID to a UNIX uid.
warning: you must not call that function only
you must do a call to the group mapping first.
there is not anymore a direct link between the gid and the rid.
********************************************************************/
uint32 algorithmic_pdb_gid_to_group_rid(gid_t gid)
{
int rid_offset = algorithmic_rid_base();
return (((((uint32)gid)*RID_MULTIPLIER) + rid_offset) | GROUP_RID_TYPE);
}
/*******************************************************************
Decides if a RID is a well known RID.
********************************************************************/
static bool rid_is_well_known(uint32 rid)
{
/* Not using rid_offset here, because this is the actual
NT fixed value (1000) */
return (rid < BASE_RID);
}
/*******************************************************************
Decides if a RID is a user or group RID.
********************************************************************/
bool algorithmic_pdb_rid_is_user(uint32 rid)
{
if ( rid_is_well_known(rid) ) {
/*
* The only well known user RIDs are DOMAIN_USER_RID_ADMIN
* and DOMAIN_USER_RID_GUEST.
*/
if(rid == DOMAIN_USER_RID_ADMIN || rid == DOMAIN_USER_RID_GUEST)
return True;
} else if((rid & RID_TYPE_MASK) == USER_RID_TYPE) {
return True;
}
return False;
}
/*******************************************************************
Convert a name into a SID. Used in the lookup name rpc.
********************************************************************/
bool lookup_global_sam_name(const char *name, int flags, uint32_t *rid,
enum lsa_SidType *type)
{
GROUP_MAP map;
bool ret;
/* Windows treats "MACHINE\None" as a special name for
rid 513 on non-DCs. You cannot create a user or group
name "None" on Windows. You will get an error that
the group already exists. */
if ( strequal( name, "None" ) ) {
*rid = DOMAIN_GROUP_RID_USERS;
*type = SID_NAME_DOM_GRP;
return True;
}
/* LOOKUP_NAME_GROUP is a hack to allow valid users = @foo to work
* correctly in the case where foo also exists as a user. If the flag
* is set, don't look for users at all. */
if ((flags & LOOKUP_NAME_GROUP) == 0) {
struct samu *sam_account = NULL;
DOM_SID user_sid;
if ( !(sam_account = samu_new( NULL )) ) {
return False;
}
become_root();
ret = pdb_getsampwnam(sam_account, name);
unbecome_root();
if (ret) {
sid_copy(&user_sid, pdb_get_user_sid(sam_account));
}
TALLOC_FREE(sam_account);
if (ret) {
if (!sid_check_is_in_our_domain(&user_sid)) {
DEBUG(0, ("User %s with invalid SID %s in passdb\n",
name, sid_string_dbg(&user_sid)));
return False;
}
sid_peek_rid(&user_sid, rid);
*type = SID_NAME_USER;
return True;
}
}
/*
* Maybe it is a group ?
*/
become_root();
ret = pdb_getgrnam(&map, name);
unbecome_root();
if (!ret) {
return False;
}
/* BUILTIN groups are looked up elsewhere */
if (!sid_check_is_in_our_domain(&map.sid)) {
DEBUG(10, ("Found group %s (%s) not in our domain -- "
"ignoring.", name, sid_string_dbg(&map.sid)));
return False;
}
/* yes it's a mapped group */
sid_peek_rid(&map.sid, rid);
*type = map.sid_name_use;
return True;
}
/*************************************************************
Change a password entry in the local smbpasswd file.
*************************************************************/
NTSTATUS local_password_change(const char *user_name,
int local_flags,
const char *new_passwd,
char **pp_err_str,
char **pp_msg_str)
{
struct samu *sam_pass=NULL;
uint32 other_acb;
NTSTATUS result;
*pp_err_str = NULL;
*pp_msg_str = NULL;
/* Get the smb passwd entry for this user */
if ( !(sam_pass = samu_new( NULL )) ) {
return NT_STATUS_NO_MEMORY;
}
become_root();
if(!pdb_getsampwnam(sam_pass, user_name)) {
unbecome_root();
TALLOC_FREE(sam_pass);
if ((local_flags & LOCAL_ADD_USER) || (local_flags & LOCAL_DELETE_USER)) {
int tmp_debug = DEBUGLEVEL;
struct passwd *pwd;
/* Might not exist in /etc/passwd. */
if (tmp_debug < 1) {
DEBUGLEVEL = 1;
}
if ( !(pwd = getpwnam_alloc(talloc_autofree_context(), user_name)) ) {
return NT_STATUS_NO_SUCH_USER;
}
/* create the struct samu and initialize the basic Unix properties */
if ( !(sam_pass = samu_new( NULL )) ) {
return NT_STATUS_NO_MEMORY;
}
result = samu_set_unix( sam_pass, pwd );
DEBUGLEVEL = tmp_debug;
TALLOC_FREE( pwd );
if (NT_STATUS_EQUAL(result, NT_STATUS_INVALID_PRIMARY_GROUP)) {
return result;
}
if (!NT_STATUS_IS_OK(result)) {
if (asprintf(pp_err_str, "Failed to " "initialize account for user %s: %s\n",
user_name, nt_errstr(result)) < 0) {
*pp_err_str = NULL;
}
return result;
}
} else {
if (asprintf(pp_err_str, "Failed to find entry for user %s.\n", user_name) < 0) {
*pp_err_str = NULL;
}
return NT_STATUS_NO_SUCH_USER;
}
} else {
unbecome_root();
/* the entry already existed */
local_flags &= ~LOCAL_ADD_USER;
}
/* the 'other' acb bits not being changed here */
other_acb = (pdb_get_acct_ctrl(sam_pass) & (~(ACB_WSTRUST|ACB_DOMTRUST|ACB_SVRTRUST|ACB_NORMAL)));
if (local_flags & LOCAL_TRUST_ACCOUNT) {
if (!pdb_set_acct_ctrl(sam_pass, ACB_WSTRUST | other_acb, PDB_CHANGED) ) {
if (asprintf(pp_err_str, "Failed to set 'trusted workstation account' flags for user %s.\n", user_name) < 0) {
*pp_err_str = NULL;
}
TALLOC_FREE(sam_pass);
return NT_STATUS_UNSUCCESSFUL;
}
} else if (local_flags & LOCAL_INTERDOM_ACCOUNT) {
if (!pdb_set_acct_ctrl(sam_pass, ACB_DOMTRUST | other_acb, PDB_CHANGED)) {
if (asprintf(pp_err_str, "Failed to set 'domain trust account' flags for user %s.\n", user_name) < 0) {
*pp_err_str = NULL;
}
TALLOC_FREE(sam_pass);
return NT_STATUS_UNSUCCESSFUL;
}
} else {
if (!pdb_set_acct_ctrl(sam_pass, ACB_NORMAL | other_acb, PDB_CHANGED)) {
if (asprintf(pp_err_str, "Failed to set 'normal account' flags for user %s.\n", user_name) < 0) {
*pp_err_str = NULL;
}
TALLOC_FREE(sam_pass);
return NT_STATUS_UNSUCCESSFUL;
}
}
/*
* We are root - just write the new password
* and the valid last change time.
*/
if (local_flags & LOCAL_DISABLE_USER) {
if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_DISABLED, PDB_CHANGED)) {
if (asprintf(pp_err_str, "Failed to set 'disabled' flag for user %s.\n", user_name) < 0) {
*pp_err_str = NULL;
}
TALLOC_FREE(sam_pass);
return NT_STATUS_UNSUCCESSFUL;
}
} else if (local_flags & LOCAL_ENABLE_USER) {
if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) {
if (asprintf(pp_err_str, "Failed to unset 'disabled' flag for user %s.\n", user_name) < 0) {
*pp_err_str = NULL;
}
TALLOC_FREE(sam_pass);
return NT_STATUS_UNSUCCESSFUL;
}
}
if (local_flags & LOCAL_SET_NO_PASSWORD) {
if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_PWNOTREQ, PDB_CHANGED)) {
if (asprintf(pp_err_str, "Failed to set 'no password required' flag for user %s.\n", user_name) < 0) {
*pp_err_str = NULL;
}
TALLOC_FREE(sam_pass);
return NT_STATUS_UNSUCCESSFUL;
}
} else if (local_flags & LOCAL_SET_PASSWORD) {
/*
* If we're dealing with setting a completely empty user account
* ie. One with a password of 'XXXX', but not set disabled (like
* an account created from scratch) then if the old password was
* 'XX's then getsmbpwent will have set the ACB_DISABLED flag.
* We remove that as we're giving this user their first password
* and the decision hasn't really been made to disable them (ie.
* don't create them disabled). JRA.
*/
if ((pdb_get_lanman_passwd(sam_pass)==NULL) && (pdb_get_acct_ctrl(sam_pass)&ACB_DISABLED)) {
if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) {
if (asprintf(pp_err_str, "Failed to unset 'disabled' flag for user %s.\n", user_name) < 0) {
*pp_err_str = NULL;
}
TALLOC_FREE(sam_pass);
return NT_STATUS_UNSUCCESSFUL;
}
}
if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_PWNOTREQ), PDB_CHANGED)) {
if (asprintf(pp_err_str, "Failed to unset 'no password required' flag for user %s.\n", user_name) < 0) {
*pp_err_str = NULL;
}
TALLOC_FREE(sam_pass);
return NT_STATUS_UNSUCCESSFUL;
}
if (!pdb_set_plaintext_passwd (sam_pass, new_passwd)) {
if (asprintf(pp_err_str, "Failed to set password for user %s.\n", user_name) < 0) {
*pp_err_str = NULL;
}
TALLOC_FREE(sam_pass);
return NT_STATUS_UNSUCCESSFUL;
}
}
if (local_flags & LOCAL_ADD_USER) {
if (NT_STATUS_IS_OK(pdb_add_sam_account(sam_pass))) {
if (asprintf(pp_msg_str, "Added user %s.\n", user_name) < 0) {
*pp_msg_str = NULL;
}
TALLOC_FREE(sam_pass);
return NT_STATUS_OK;
} else {
if (asprintf(pp_err_str, "Failed to add entry for user %s.\n", user_name) < 0) {
*pp_err_str = NULL;
}
TALLOC_FREE(sam_pass);
return NT_STATUS_UNSUCCESSFUL;
}
} else if (local_flags & LOCAL_DELETE_USER) {
if (!NT_STATUS_IS_OK(pdb_delete_sam_account(sam_pass))) {
if (asprintf(pp_err_str, "Failed to delete entry for user %s.\n", user_name) < 0) {
*pp_err_str = NULL;
}
TALLOC_FREE(sam_pass);
return NT_STATUS_UNSUCCESSFUL;
}
if (asprintf(pp_msg_str, "Deleted user %s.\n", user_name) < 0) {
*pp_msg_str = NULL;
}
} else {
result = pdb_update_sam_account(sam_pass);
if(!NT_STATUS_IS_OK(result)) {
if (asprintf(pp_err_str, "Failed to modify entry for user %s.\n", user_name) < 0) {
*pp_err_str = NULL;
}
TALLOC_FREE(sam_pass);
return result;
}
if(local_flags & LOCAL_DISABLE_USER) {
if (asprintf(pp_msg_str, "Disabled user %s.\n", user_name) < 0) {
*pp_msg_str = NULL;
}
} else if (local_flags & LOCAL_ENABLE_USER) {
if (asprintf(pp_msg_str, "Enabled user %s.\n", user_name) < 0) {
*pp_msg_str = NULL;
}
} else if (local_flags & LOCAL_SET_NO_PASSWORD) {
if (asprintf(pp_msg_str, "User %s password set to none.\n", user_name) < 0) {
*pp_msg_str = NULL;
}
}
}
TALLOC_FREE(sam_pass);
return NT_STATUS_OK;
}
/**********************************************************************
Marshall/unmarshall struct samu structs.
*********************************************************************/
#define SAMU_BUFFER_FORMAT_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd"
#define SAMU_BUFFER_FORMAT_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd"
#define SAMU_BUFFER_FORMAT_V2 "dddddddBBBBBBBBBBBBddBBBwwdBwwd"
#define SAMU_BUFFER_FORMAT_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd"
/* nothing changed between V3 and V4 */
/*********************************************************************
*********************************************************************/
static bool init_samu_from_buffer_v0(struct samu *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,
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_samu_from_buffer_v0: NULL parameters found!\n"));
return False;
}
/* SAMU_BUFFER_FORMAT_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd" */
/* unpack the buffer into variables */
len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_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, username, domain,
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, username, domain,
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, username, domain,
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, username, domain,
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;
}
/*********************************************************************
*********************************************************************/
static bool init_samu_from_buffer_v1(struct samu *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_samu_from_buffer_v1: NULL parameters found!\n"));
return False;
}
/* SAMU_BUFFER_FORMAT_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd" */
/* unpack the buffer into variables */
len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_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, username, domain,
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, username, domain,
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, username, domain,
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, username, domain,
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;
}
static bool init_samu_from_buffer_v2(struct samu *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 tmp_string;
bool expand_explicit = lp_passdb_expand_explicit();
if(sampass == NULL || buf == NULL) {
DEBUG(0, ("init_samu_from_buffer_v2: NULL parameters found!\n"));
return False;
}
/* SAMU_BUFFER_FORMAT_V2 "dddddddBBBBBBBBBBBBddBBBwwdBwwd" */
/* unpack the buffer into variables */
len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_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( tmp_string, homedir );
if (expand_explicit) {
standard_sub_basic( username, domain, tmp_string,
sizeof(tmp_string) );
}
pdb_set_homedir(sampass, tmp_string, PDB_SET);
}
else {
pdb_set_homedir(sampass,
talloc_sub_basic(sampass, username, domain,
lp_logon_home()),
PDB_DEFAULT);
}
if (dir_drive)
pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
else
pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT );
if (logon_script) {
fstrcpy( tmp_string, logon_script );
if (expand_explicit) {
standard_sub_basic( username, domain, tmp_string,
sizeof(tmp_string) );
}
pdb_set_logon_script(sampass, tmp_string, PDB_SET);
}
else {
pdb_set_logon_script(sampass,
talloc_sub_basic(sampass, username, domain,
lp_logon_script()),
PDB_DEFAULT);
}
if (profile_path) {
fstrcpy( tmp_string, profile_path );
if (expand_explicit) {
standard_sub_basic( username, domain, tmp_string,
sizeof(tmp_string) );
}
pdb_set_profile_path(sampass, tmp_string, PDB_SET);
}
else {
pdb_set_profile_path(sampass,
talloc_sub_basic(sampass, username, domain,
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;
}
}
/* Change from V1 is addition of password history field. */
pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
if (pwHistLen) {
uint8 *pw_hist = SMB_MALLOC_ARRAY(uint8, pwHistLen * PW_HISTORY_ENTRY_LEN);
if (!pw_hist) {
ret = False;
goto done;
}
memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
if (nt_pw_hist_ptr && nt_pw_hist_len) {
int i;
SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0);
nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN;
for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) {
memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN],
&nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN],
PW_HISTORY_ENTRY_LEN);
}
}
if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) {
SAFE_FREE(pw_hist);
ret = False;
goto done;
}
SAFE_FREE(pw_hist);
} else {
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(nt_pw_hist_ptr);
SAFE_FREE(hours);
return ret;
}
/*********************************************************************
*********************************************************************/
static bool init_samu_from_buffer_v3(struct samu *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, acct_ctrl;
uint16 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 tmp_string;
bool expand_explicit = lp_passdb_expand_explicit();
if(sampass == NULL || buf == NULL) {
DEBUG(0, ("init_samu_from_buffer_v3: NULL parameters found!\n"));
return False;
}
/* SAMU_BUFFER_FORMAT_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
/* unpack the buffer into variables */
len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V3,
&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 */
/* Change from V2 is the uint32 acb_mask */
&acct_ctrl, /* d */
/* 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, convert_uint32_to_time_t(logon_time), PDB_SET);
pdb_set_logoff_time(sampass, convert_uint32_to_time_t(logoff_time), PDB_SET);
pdb_set_kickoff_time(sampass, convert_uint32_to_time_t(kickoff_time), PDB_SET);
pdb_set_bad_password_time(sampass, convert_uint32_to_time_t(bad_password_time), PDB_SET);
pdb_set_pass_can_change_time(sampass, convert_uint32_to_time_t(pass_can_change_time), PDB_SET);
pdb_set_pass_must_change_time(sampass, convert_uint32_to_time_t(pass_must_change_time), PDB_SET);
pdb_set_pass_last_set_time(sampass, convert_uint32_to_time_t(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( tmp_string, homedir );
if (expand_explicit) {
standard_sub_basic( username, domain, tmp_string,
sizeof(tmp_string) );
}
pdb_set_homedir(sampass, tmp_string, PDB_SET);
}
else {
pdb_set_homedir(sampass,
talloc_sub_basic(sampass, username, domain,
lp_logon_home()),
PDB_DEFAULT);
}
if (dir_drive)
pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
else
pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT );
if (logon_script) {
fstrcpy( tmp_string, logon_script );
if (expand_explicit) {
standard_sub_basic( username, domain, tmp_string,
sizeof(tmp_string) );
}
pdb_set_logon_script(sampass, tmp_string, PDB_SET);
}
else {
pdb_set_logon_script(sampass,
talloc_sub_basic(sampass, username, domain,
lp_logon_script()),
PDB_DEFAULT);
}
if (profile_path) {
fstrcpy( tmp_string, profile_path );
if (expand_explicit) {
standard_sub_basic( username, domain, tmp_string,
sizeof(tmp_string) );
}
pdb_set_profile_path(sampass, tmp_string, PDB_SET);
}
else {
pdb_set_profile_path(sampass,
talloc_sub_basic(sampass, username, domain, 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_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
if (pwHistLen) {
uint8 *pw_hist = (uint8 *)SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN);
if (!pw_hist) {
ret = False;
goto done;
}
memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
if (nt_pw_hist_ptr && nt_pw_hist_len) {
int i;
SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0);
nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN;
for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) {
memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN],
&nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN],
PW_HISTORY_ENTRY_LEN);
}
}
if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) {
SAFE_FREE(pw_hist);
ret = False;
goto done;
}
SAFE_FREE(pw_hist);
} else {
pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
}
pdb_set_user_sid_from_rid(sampass, user_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);
/* Change from V2 is the uint32 acct_ctrl */
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(nt_pw_hist_ptr);
SAFE_FREE(hours);
return ret;
}
/*********************************************************************
*********************************************************************/
static uint32 init_buffer_from_samu_v3 (uint8 **buf, struct samu *sampass, bool size_only)
{
size_t len, 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;
uint32 user_rid, group_rid;
const char *username;
const char *domain;
const char *nt_username;
const char *dir_drive;
const char *unknown_str;
const char *munged_dial;
const char *fullname;
const char *homedir;
const char *logon_script;
const char *profile_path;
const char *acct_desc;
const char *workstations;
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;
const uint8 *lm_pw;
const uint8 *nt_pw;
const uint8 *nt_pw_hist;
uint32 lm_pw_len = 16;
uint32 nt_pw_len = 16;
uint32 nt_pw_hist_len;
uint32 pwHistLen = 0;
*buf = NULL;
buflen = 0;
logon_time = convert_time_t_to_uint32(pdb_get_logon_time(sampass));
logoff_time = convert_time_t_to_uint32(pdb_get_logoff_time(sampass));
kickoff_time = convert_time_t_to_uint32(pdb_get_kickoff_time(sampass));
bad_password_time = convert_time_t_to_uint32(pdb_get_bad_password_time(sampass));
pass_can_change_time = convert_time_t_to_uint32(pdb_get_pass_can_change_time_noncalc(sampass));
pass_must_change_time = convert_time_t_to_uint32(pdb_get_pass_must_change_time(sampass));
pass_last_set_time = convert_time_t_to_uint32(pdb_get_pass_last_set_time(sampass));
user_rid = pdb_get_user_rid(sampass);
group_rid = pdb_get_group_rid(sampass);
username = pdb_get_username(sampass);
if (username) {
username_len = strlen(username) +1;
} else {
username_len = 0;
}
domain = pdb_get_domain(sampass);
if (domain) {
domain_len = strlen(domain) +1;
} else {
domain_len = 0;
}
nt_username = pdb_get_nt_username(sampass);
if (nt_username) {
nt_username_len = strlen(nt_username) +1;
} else {
nt_username_len = 0;
}
fullname = pdb_get_fullname(sampass);
if (fullname) {
fullname_len = strlen(fullname) +1;
} else {
fullname_len = 0;
}
/*
* Only updates fields which have been set (not defaults from smb.conf)
*/
if (!IS_SAM_DEFAULT(sampass, PDB_DRIVE)) {
dir_drive = pdb_get_dir_drive(sampass);
} else {
dir_drive = NULL;
}
if (dir_drive) {
dir_drive_len = strlen(dir_drive) +1;
} else {
dir_drive_len = 0;
}
if (!IS_SAM_DEFAULT(sampass, PDB_SMBHOME)) {
homedir = pdb_get_homedir(sampass);
} else {
homedir = NULL;
}
if (homedir) {
homedir_len = strlen(homedir) +1;
} else {
homedir_len = 0;
}
if (!IS_SAM_DEFAULT(sampass, PDB_LOGONSCRIPT)) {
logon_script = pdb_get_logon_script(sampass);
} else {
logon_script = NULL;
}
if (logon_script) {
logon_script_len = strlen(logon_script) +1;
} else {
logon_script_len = 0;
}
if (!IS_SAM_DEFAULT(sampass, PDB_PROFILE)) {
profile_path = pdb_get_profile_path(sampass);
} else {
profile_path = NULL;
}
if (profile_path) {
profile_path_len = strlen(profile_path) +1;
} else {
profile_path_len = 0;
}
lm_pw = pdb_get_lanman_passwd(sampass);
if (!lm_pw) {
lm_pw_len = 0;
}
nt_pw = pdb_get_nt_passwd(sampass);
if (!nt_pw) {
nt_pw_len = 0;
}
pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
nt_pw_hist = pdb_get_pw_history(sampass, &nt_pw_hist_len);
if (pwHistLen && nt_pw_hist && nt_pw_hist_len) {
nt_pw_hist_len *= PW_HISTORY_ENTRY_LEN;
} else {
nt_pw_hist_len = 0;
}
acct_desc = pdb_get_acct_desc(sampass);
if (acct_desc) {
acct_desc_len = strlen(acct_desc) +1;
} else {
acct_desc_len = 0;
}
workstations = pdb_get_workstations(sampass);
if (workstations) {
workstations_len = strlen(workstations) +1;
} else {
workstations_len = 0;
}
unknown_str = NULL;
unknown_str_len = 0;
munged_dial = pdb_get_munged_dial(sampass);
if (munged_dial) {
munged_dial_len = strlen(munged_dial) +1;
} else {
munged_dial_len = 0;
}
/* SAMU_BUFFER_FORMAT_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
/* one time to get the size needed */
len = tdb_pack(NULL, 0, SAMU_BUFFER_FORMAT_V3,
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, /* B */
nt_pw_len, nt_pw, /* B */
nt_pw_hist_len, nt_pw_hist, /* B */
pdb_get_acct_ctrl(sampass), /* d */
pdb_get_logon_divs(sampass), /* w */
pdb_get_hours_len(sampass), /* d */
MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
pdb_get_bad_password_count(sampass), /* w */
pdb_get_logon_count(sampass), /* w */
pdb_get_unknown_6(sampass)); /* d */
if (size_only) {
return buflen;
}
/* malloc the space needed */
if ( (*buf=(uint8*)SMB_MALLOC(len)) == NULL) {
DEBUG(0,("init_buffer_from_samu_v3: Unable to malloc() memory for buffer!\n"));
return (-1);
}
/* now for the real call to tdb_pack() */
buflen = tdb_pack(*buf, len, SAMU_BUFFER_FORMAT_V3,
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, /* B */
nt_pw_len, nt_pw, /* B */
nt_pw_hist_len, nt_pw_hist, /* B */
pdb_get_acct_ctrl(sampass), /* d */
pdb_get_logon_divs(sampass), /* w */
pdb_get_hours_len(sampass), /* d */
MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
pdb_get_bad_password_count(sampass), /* w */
pdb_get_logon_count(sampass), /* w */
pdb_get_unknown_6(sampass)); /* d */
/* check to make sure we got it correct */
if (buflen != len) {
DEBUG(0, ("init_buffer_from_samu_v3: somthing odd is going on here: bufflen (%lu) != len (%lu) in tdb_pack operations!\n",
(unsigned long)buflen, (unsigned long)len));
/* error */
SAFE_FREE (*buf);
return (-1);
}
return (buflen);
}
static bool init_samu_from_buffer_v4(struct samu *sampass, uint8 *buf, uint32 buflen)
{
/* nothing changed between V3 and V4 */
return init_samu_from_buffer_v3(sampass, buf, buflen);
}
static uint32 init_buffer_from_samu_v4(uint8 **buf, struct samu *sampass, bool size_only)
{
/* nothing changed between V3 and V4 */
return init_buffer_from_samu_v3(buf, sampass, size_only);
}
/**********************************************************************
Intialize a struct samu struct from a BYTE buffer of size len
*********************************************************************/
bool init_samu_from_buffer(struct samu *sampass, uint32_t level,
uint8 *buf, uint32 buflen)
{
switch (level) {
case SAMU_BUFFER_V0:
return init_samu_from_buffer_v0(sampass, buf, buflen);
case SAMU_BUFFER_V1:
return init_samu_from_buffer_v1(sampass, buf, buflen);
case SAMU_BUFFER_V2:
return init_samu_from_buffer_v2(sampass, buf, buflen);
case SAMU_BUFFER_V3:
return init_samu_from_buffer_v3(sampass, buf, buflen);
case SAMU_BUFFER_V4:
return init_samu_from_buffer_v4(sampass, buf, buflen);
}
return false;
}
/**********************************************************************
Intialize a BYTE buffer from a struct samu struct
*********************************************************************/
uint32 init_buffer_from_samu (uint8 **buf, struct samu *sampass, bool size_only)
{
return init_buffer_from_samu_v4(buf, sampass, size_only);
}
/*********************************************************************
*********************************************************************/
bool pdb_copy_sam_account(struct samu *dst, struct samu *src )
{
uint8 *buf = NULL;
int len;
len = init_buffer_from_samu(&buf, src, False);
if (len == -1 || !buf) {
SAFE_FREE(buf);
return False;
}
if (!init_samu_from_buffer( dst, SAMU_BUFFER_LATEST, buf, len )) {
free(buf);
return False;
}
dst->methods = src->methods;
if ( src->unix_pw ) {
dst->unix_pw = tcopy_passwd( dst, src->unix_pw );
if (!dst->unix_pw) {
free(buf);
return False;
}
}
free(buf);
return True;
}
/*********************************************************************
Update the bad password count checking the AP_RESET_COUNT_TIME
*********************************************************************/
bool pdb_update_bad_password_count(struct samu *sampass, bool *updated)
{
time_t LastBadPassword;
uint16 BadPasswordCount;
uint32 resettime;
bool res;
BadPasswordCount = pdb_get_bad_password_count(sampass);
if (!BadPasswordCount) {
DEBUG(9, ("No bad password attempts.\n"));
return True;
}
become_root();
res = pdb_get_account_policy(AP_RESET_COUNT_TIME, &resettime);
unbecome_root();
if (!res) {
DEBUG(0, ("pdb_update_bad_password_count: pdb_get_account_policy failed.\n"));
return False;
}
/* First, check if there is a reset time to compare */
if ((resettime == (uint32) -1) || (resettime == 0)) {
DEBUG(9, ("No reset time, can't reset bad pw count\n"));
return True;
}
LastBadPassword = pdb_get_bad_password_time(sampass);
DEBUG(7, ("LastBadPassword=%d, resettime=%d, current time=%d.\n",
(uint32) LastBadPassword, resettime, (uint32)time(NULL)));
if (time(NULL) > (LastBadPassword + convert_uint32_to_time_t(resettime)*60)){
pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
if (updated) {
*updated = True;
}
}
return True;
}
/*********************************************************************
Update the ACB_AUTOLOCK flag checking the AP_LOCK_ACCOUNT_DURATION
*********************************************************************/
bool pdb_update_autolock_flag(struct samu *sampass, bool *updated)
{
uint32 duration;
time_t LastBadPassword;
bool res;
if (!(pdb_get_acct_ctrl(sampass) & ACB_AUTOLOCK)) {
DEBUG(9, ("pdb_update_autolock_flag: Account %s not autolocked, no check needed\n",
pdb_get_username(sampass)));
return True;
}
become_root();
res = pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &duration);
unbecome_root();
if (!res) {
DEBUG(0, ("pdb_update_autolock_flag: pdb_get_account_policy failed.\n"));
return False;
}
/* First, check if there is a duration to compare */
if ((duration == (uint32) -1) || (duration == 0)) {
DEBUG(9, ("pdb_update_autolock_flag: No reset duration, can't reset autolock\n"));
return True;
}
LastBadPassword = pdb_get_bad_password_time(sampass);
DEBUG(7, ("pdb_update_autolock_flag: Account %s, LastBadPassword=%d, duration=%d, current time =%d.\n",
pdb_get_username(sampass), (uint32)LastBadPassword, duration*60, (uint32)time(NULL)));
if (LastBadPassword == (time_t)0) {
DEBUG(1,("pdb_update_autolock_flag: Account %s "
"administratively locked out with no bad password "
"time. Leaving locked out.\n",
pdb_get_username(sampass) ));
return True;
}
if ((time(NULL) > (LastBadPassword + convert_uint32_to_time_t(duration) * 60))) {
pdb_set_acct_ctrl(sampass,
pdb_get_acct_ctrl(sampass) & ~ACB_AUTOLOCK,
PDB_CHANGED);
pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
if (updated) {
*updated = True;
}
}
return True;
}
/*********************************************************************
Increment the bad_password_count
*********************************************************************/
bool pdb_increment_bad_password_count(struct samu *sampass)
{
uint32 account_policy_lockout;
bool autolock_updated = False, badpw_updated = False;
bool ret;
/* Retrieve the account lockout policy */
become_root();
ret = pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_lockout);
unbecome_root();
if ( !ret ) {
DEBUG(0, ("pdb_increment_bad_password_count: pdb_get_account_policy failed.\n"));
return False;
}
/* If there is no policy, we don't need to continue checking */
if (!account_policy_lockout) {
DEBUG(9, ("No lockout policy, don't track bad passwords\n"));
return True;
}
/* Check if the autolock needs to be cleared */
if (!pdb_update_autolock_flag(sampass, &autolock_updated))
return False;
/* Check if the badpw count needs to be reset */
if (!pdb_update_bad_password_count(sampass, &badpw_updated))
return False;
/*
Ok, now we can assume that any resetting that needs to be
done has been done, and just get on with incrementing
and autolocking if necessary
*/
pdb_set_bad_password_count(sampass,
pdb_get_bad_password_count(sampass)+1,
PDB_CHANGED);
pdb_set_bad_password_time(sampass, time(NULL), PDB_CHANGED);
if (pdb_get_bad_password_count(sampass) < account_policy_lockout)
return True;
if (!pdb_set_acct_ctrl(sampass,
pdb_get_acct_ctrl(sampass) | ACB_AUTOLOCK,
PDB_CHANGED)) {
DEBUG(1, ("pdb_increment_bad_password_count:failed to set 'autolock' flag. \n"));
return False;
}
return True;
}
bool is_dc_trusted_domain_situation(const char *domain_name)
{
return IS_DC && !strequal(domain_name, lp_workgroup());
}
/*******************************************************************
Wrapper around retrieving the clear text trust account password.
appropriate account name is stored in account_name.
Caller must free password, but not account_name.
*******************************************************************/
bool get_trust_pw_clear(const char *domain, char **ret_pwd,
const char **account_name, uint32 *channel)
{
char *pwd;
time_t last_set_time;
/* if we are a DC and this is not our domain, then lookup an account
* for the domain trust */
if (is_dc_trusted_domain_situation(domain)) {
if (!lp_allow_trusted_domains()) {
return false;
}
if (!pdb_get_trusteddom_pw(domain, ret_pwd, NULL,
&last_set_time))
{
DEBUG(0, ("get_trust_pw: could not fetch trust "
"account password for trusted domain %s\n",
domain));
return false;
}
if (channel != NULL) {
*channel = SEC_CHAN_DOMAIN;
}
if (account_name != NULL) {
*account_name = lp_workgroup();
}
return true;
}
/*
* Since we can only be member of one single domain, we are now
* in a member situation:
*
* - Either we are a DC (selfjoined) and the domain is our
* own domain.
* - Or we are on a member and the domain is our own or some
* other (potentially trusted) domain.
*
* In both cases, we can only get the machine account password
* for our own domain to connect to our own dc. (For a member,
* request to trusted domains are performed through our dc.)
*
* So we simply use our own domain name to retrieve the
* machine account passowrd and ignore the request domain here.
*/
pwd = secrets_fetch_machine_password(lp_workgroup(), &last_set_time, channel);
if (pwd != NULL) {
*ret_pwd = pwd;
if (account_name != NULL) {
*account_name = global_myname();
}
return true;
}
DEBUG(5, ("get_trust_pw_clear: could not fetch clear text trust "
"account password for domain %s\n", domain));
return false;
}
/*******************************************************************
Wrapper around retrieving the trust account password.
appropriate account name is stored in account_name.
*******************************************************************/
bool get_trust_pw_hash(const char *domain, uint8 ret_pwd[16],
const char **account_name, uint32 *channel)
{
char *pwd = NULL;
time_t last_set_time;
if (get_trust_pw_clear(domain, &pwd, account_name, channel)) {
E_md4hash(pwd, ret_pwd);
SAFE_FREE(pwd);
return true;
} else if (is_dc_trusted_domain_situation(domain)) {
return false;
}
/* as a fallback, try to get the hashed pwd directly from the tdb... */
if (secrets_fetch_trust_account_password_legacy(domain, ret_pwd,
&last_set_time,
channel))
{
if (account_name != NULL) {
*account_name = global_myname();
}
return true;
}
DEBUG(5, ("get_trust_pw_hash: could not fetch trust account "
"password for domain %s\n", domain));
return False;
}
struct samr_LogonHours get_logon_hours_from_pdb(TALLOC_CTX *mem_ctx,
struct samu *pw)
{
struct samr_LogonHours hours;
const int units_per_week = 168;
ZERO_STRUCT(hours);
hours.bits = talloc_array(mem_ctx, uint8_t, units_per_week);
if (!hours.bits) {
return hours;
}
hours.units_per_week = units_per_week;
memset(hours.bits, 0xFF, units_per_week);
if (pdb_get_hours(pw)) {
memcpy(hours.bits, pdb_get_hours(pw),
MIN(pdb_get_hours_len(pw), units_per_week));
}
return hours;
}