#include "includes.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_PASSDB
const char *get_default_sam_name(void)
{
if ( lp_server_role() == ROLE_STANDALONE )
return global_myname();
return lp_workgroup();
}
void pdb_fill_default_sam(SAM_ACCOUNT *user)
{
ZERO_STRUCT(user->private);
user->methods = NULL;
user->private.logon_time = (time_t)0;
user->private.pass_last_set_time = (time_t)0;
user->private.pass_can_change_time = (time_t)0;
user->private.logoff_time =
user->private.kickoff_time =
user->private.pass_must_change_time = get_time_t_max();
user->private.fields_present = 0x00ffffff;
user->private.logon_divs = 168;
user->private.hours_len = 21;
memset(user->private.hours, 0xff, user->private.hours_len);
user->private.bad_password_count = 0;
user->private.logon_count = 0;
user->private.unknown_6 = 0x000004ec;
user->private.username = "";
user->private.domain = "";
user->private.nt_username = "";
user->private.full_name = "";
user->private.home_dir = "";
user->private.logon_script = "";
user->private.profile_path = "";
user->private.acct_desc = "";
user->private.workstations = "";
user->private.unknown_str = "";
user->private.munged_dial = "";
user->private.plaintext_pw = NULL;
user->private.acct_ctrl = ACB_NORMAL;
}
static void destroy_pdb_talloc(SAM_ACCOUNT **user)
{
if (*user) {
data_blob_clear_free(&((*user)->private.lm_pw));
data_blob_clear_free(&((*user)->private.nt_pw));
if((*user)->private.plaintext_pw!=NULL)
memset((*user)->private.plaintext_pw,'\0',strlen((*user)->private.plaintext_pw));
talloc_destroy((*user)->mem_ctx);
*user = NULL;
}
}
NTSTATUS pdb_init_sam_talloc(TALLOC_CTX *mem_ctx, SAM_ACCOUNT **user)
{
if (*user != NULL) {
DEBUG(0,("pdb_init_sam_talloc: SAM_ACCOUNT was non NULL\n"));
#if 0
smb_panic("non-NULL pointer passed to pdb_init_sam\n");
#endif
return NT_STATUS_UNSUCCESSFUL;
}
if (!mem_ctx) {
DEBUG(0,("pdb_init_sam_talloc: mem_ctx was NULL!\n"));
return NT_STATUS_UNSUCCESSFUL;
}
*user=TALLOC_P(mem_ctx, SAM_ACCOUNT);
if (*user==NULL) {
DEBUG(0,("pdb_init_sam_talloc: error while allocating memory\n"));
return NT_STATUS_NO_MEMORY;
}
(*user)->mem_ctx = mem_ctx;
(*user)->free_fn = NULL;
pdb_fill_default_sam(*user);
return NT_STATUS_OK;
}
NTSTATUS pdb_init_sam(SAM_ACCOUNT **user)
{
TALLOC_CTX *mem_ctx;
NTSTATUS nt_status;
mem_ctx = talloc_init("passdb internal SAM_ACCOUNT allocation");
if (!mem_ctx) {
DEBUG(0,("pdb_init_sam: error while doing talloc_init()\n"));
return NT_STATUS_NO_MEMORY;
}
if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(mem_ctx, user))) {
talloc_destroy(mem_ctx);
return nt_status;
}
(*user)->free_fn = destroy_pdb_talloc;
return NT_STATUS_OK;
}
static NTSTATUS pdb_set_sam_sids(SAM_ACCOUNT *account_data, const struct passwd *pwd, BOOL idmap)
{
const char *guest_account = lp_guestaccount();
GROUP_MAP map;
BOOL ret;
DOM_SID user_sid;
DOM_SID group_sid;
if (!account_data || !pwd) {
return NT_STATUS_INVALID_PARAMETER;
}
if (!(guest_account && *guest_account)) {
DEBUG(1, ("NULL guest account!?!?\n"));
return NT_STATUS_UNSUCCESSFUL;
} else {
if (strcmp(pwd->pw_name, guest_account) == 0) {
if (!pdb_set_user_sid_from_rid(account_data, DOMAIN_USER_RID_GUEST, PDB_DEFAULT)) {
return NT_STATUS_UNSUCCESSFUL;
}
if (!pdb_set_group_sid_from_rid(account_data, DOMAIN_GROUP_RID_GUESTS, PDB_DEFAULT)) {
return NT_STATUS_UNSUCCESSFUL;
}
return NT_STATUS_OK;
}
}
if (idmap && NT_STATUS_IS_OK(uid_to_sid(&user_sid, pwd->pw_uid))) {
if (!pdb_set_user_sid(account_data, &user_sid, PDB_SET)) {
DEBUG(0,("Can't set User SID from mapped UID\n"));
return NT_STATUS_INVALID_PARAMETER;
}
} else if (!pdb_set_user_sid_from_rid(account_data, algorithmic_pdb_uid_to_user_rid(pwd->pw_uid), PDB_SET)) {
DEBUG(0,("Can't set User SID from RID!\n"));
return NT_STATUS_INVALID_PARAMETER;
}
become_root();
ret = pdb_getgrgid(&map, pwd->pw_gid);
unbecome_root();
if( ret ) {
if (!pdb_set_group_sid(account_data, &map.sid, PDB_SET)){
DEBUG(0,("Can't set Group SID!\n"));
return NT_STATUS_INVALID_PARAMETER;
}
}
else {
if (idmap && NT_STATUS_IS_OK(gid_to_sid(&group_sid, pwd->pw_gid))) {
if (!pdb_set_group_sid(account_data, &group_sid, PDB_SET)) {
DEBUG(0,("Can't set Group SID from mapped GID\n"));
return NT_STATUS_INVALID_PARAMETER;
}
} else if (!pdb_set_group_sid_from_rid(account_data, pdb_gid_to_group_rid(pwd->pw_gid), PDB_SET)) {
DEBUG(0,("Can't set Group SID\n"));
return NT_STATUS_INVALID_PARAMETER;
}
}
return NT_STATUS_OK;
}
NTSTATUS pdb_fill_sam_pw(SAM_ACCOUNT *sam_account, const struct passwd *pwd, BOOL idmap)
{
NTSTATUS ret;
if (!pwd) {
return NT_STATUS_UNSUCCESSFUL;
}
pdb_fill_default_sam(sam_account);
pdb_set_username(sam_account, pwd->pw_name, PDB_SET);
pdb_set_fullname(sam_account, pwd->pw_gecos, PDB_SET);
pdb_set_unix_homedir(sam_account, pwd->pw_dir, PDB_SET);
pdb_set_domain (sam_account, get_global_sam_name(), PDB_DEFAULT);
ret = pdb_set_sam_sids(sam_account, pwd, idmap);
if (!NT_STATUS_IS_OK(ret)) return ret;
if (pwd->pw_name[strlen(pwd->pw_name)-1] != '$')
{
pdb_set_profile_path(sam_account,
talloc_sub_specified((sam_account)->mem_ctx,
lp_logon_path(),
pwd->pw_name, global_myname(),
pwd->pw_uid, pwd->pw_gid),
PDB_DEFAULT);
pdb_set_homedir(sam_account,
talloc_sub_specified((sam_account)->mem_ctx,
lp_logon_home(),
pwd->pw_name, global_myname(),
pwd->pw_uid, pwd->pw_gid),
PDB_DEFAULT);
pdb_set_dir_drive(sam_account,
talloc_sub_specified((sam_account)->mem_ctx,
lp_logon_drive(),
pwd->pw_name, global_myname(),
pwd->pw_uid, pwd->pw_gid),
PDB_DEFAULT);
pdb_set_logon_script(sam_account,
talloc_sub_specified((sam_account)->mem_ctx,
lp_logon_script(),
pwd->pw_name, global_myname(),
pwd->pw_uid, pwd->pw_gid),
PDB_DEFAULT);
if (!pdb_set_acct_ctrl(sam_account, ACB_NORMAL, PDB_DEFAULT)) {
DEBUG(1, ("Failed to set 'normal account' flags for user %s.\n", pwd->pw_name));
return NT_STATUS_UNSUCCESSFUL;
}
} else {
if (!pdb_set_acct_ctrl(sam_account, ACB_WSTRUST, PDB_DEFAULT)) {
DEBUG(1, ("Failed to set 'trusted workstation account' flags for user %s.\n", pwd->pw_name));
return NT_STATUS_UNSUCCESSFUL;
}
}
return NT_STATUS_OK;
}
NTSTATUS pdb_init_sam_pw(SAM_ACCOUNT **new_sam_acct, const struct passwd *pwd, BOOL idmap)
{
NTSTATUS nt_status;
if (!pwd) {
new_sam_acct = NULL;
return NT_STATUS_INVALID_PARAMETER;
}
if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam(new_sam_acct))) {
new_sam_acct = NULL;
return nt_status;
}
if (!NT_STATUS_IS_OK(nt_status = pdb_fill_sam_pw(*new_sam_acct, pwd, idmap))) {
pdb_free_sam(new_sam_acct);
new_sam_acct = NULL;
return nt_status;
}
return NT_STATUS_OK;
}
NTSTATUS pdb_init_sam_new(SAM_ACCOUNT **new_sam_acct, const char *username,
uint32 rid)
{
NTSTATUS nt_status = NT_STATUS_NO_MEMORY;
struct passwd *pwd;
BOOL ret;
if (lp_opendirectory())
{
pdb_init_sam(new_sam_acct);
become_root();
ret = pdb_getsampwnam(*new_sam_acct, username);
unbecome_root();
if (ret != True) {
pdb_free_sam(new_sam_acct);
*new_sam_acct = NULL;
DEBUG(0, ("could not find new user/computer %s in passdb.\n", username));
}
} else {
pwd = Get_Pwnam(username);
if (!pwd)
return NT_STATUS_NO_SUCH_USER;
if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_pw(new_sam_acct, pwd, False))) {
*new_sam_acct = NULL;
return nt_status;
}
if ( rid == 0 && lp_enable_rid_algorithm() ) {
DEBUG(10,("pdb_init_sam_new: no RID specified. Generating one via old algorithm\n"));
rid = algorithmic_pdb_uid_to_user_rid(pwd->pw_uid);
}
ret = pdb_set_user_sid_from_rid( *new_sam_acct, rid, PDB_SET );
}
return (ret ? NT_STATUS_OK : NT_STATUS_NO_SUCH_USER);
}
static void pdb_free_sam_contents(SAM_ACCOUNT *user)
{
data_blob_clear_free(&(user->private.lm_pw));
data_blob_clear_free(&(user->private.nt_pw));
if (user->private.plaintext_pw!=NULL)
memset(user->private.plaintext_pw,'\0',strlen(user->private.plaintext_pw));
if (user->private.backend_private_data && user->private.backend_private_data_free_fn) {
user->private.backend_private_data_free_fn(&user->private.backend_private_data);
}
}
NTSTATUS pdb_reset_sam(SAM_ACCOUNT *user)
{
if (user == NULL) {
DEBUG(0,("pdb_reset_sam: SAM_ACCOUNT was NULL\n"));
#if 0
smb_panic("NULL pointer passed to pdb_free_sam\n");
#endif
return NT_STATUS_UNSUCCESSFUL;
}
pdb_free_sam_contents(user);
pdb_fill_default_sam(user);
return NT_STATUS_OK;
}
NTSTATUS pdb_free_sam(SAM_ACCOUNT **user)
{
if (*user == NULL) {
DEBUG(0,("pdb_free_sam: SAM_ACCOUNT was NULL\n"));
#if 0
smb_panic("NULL pointer passed to pdb_free_sam\n");
#endif
return NT_STATUS_UNSUCCESSFUL;
}
pdb_free_sam_contents(*user);
if ((*user)->free_fn) {
(*user)->free_fn(user);
}
return NT_STATUS_OK;
}
char *pdb_encode_acct_ctrl(uint16 acct_ctrl, size_t length)
{
static fstring acct_str;
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';
return acct_str;
}
uint16 pdb_decode_acct_ctrl(const char *p)
{
uint16 acct_ctrl = 0;
BOOL finished = False;
if (*p != '[')
return 0;
for (p++; *p && !finished; p++) {
switch (*p) {
case 'N': { acct_ctrl |= ACB_PWNOTREQ ; break; }
case 'D': { acct_ctrl |= ACB_DISABLED ; break; }
case 'H': { acct_ctrl |= ACB_HOMDIRREQ; break; }
case 'T': { acct_ctrl |= ACB_TEMPDUP ; break; }
case 'U': { acct_ctrl |= ACB_NORMAL ; break; }
case 'M': { acct_ctrl |= ACB_MNS ; break; }
case 'W': { acct_ctrl |= ACB_WSTRUST ; break; }
case 'S': { acct_ctrl |= ACB_SVRTRUST ; break; }
case 'L': { acct_ctrl |= ACB_AUTOLOCK ; break; }
case 'X': { acct_ctrl |= ACB_PWNOEXP ; break; }
case 'I': { acct_ctrl |= ACB_DOMTRUST ; break; }
case ' ': { break; }
case ':':
case '\n':
case '\0':
case ']':
default: { finished = True; }
}
}
return acct_ctrl;
}
void pdb_sethexpwd(char *p, const unsigned char *pwd, uint16 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", 33);
else
safe_strcpy(p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 33);
}
}
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(p[i]);
lonybble = toupper(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);
}
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);
}
}
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(p[i]);
lonybble = toupper(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)
{
static int rid_offset = 0;
if (rid_offset != 0)
return rid_offset;
rid_offset = lp_algorithmic_rid_base();
if (rid_offset < BASE_RID) {
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;
}
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);
}
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);
}
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);
}
uint32 pdb_gid_to_group_rid(gid_t gid)
{
int rid_offset = algorithmic_rid_base();
return (((((uint32)gid)*RID_MULTIPLIER) + rid_offset) | GROUP_RID_TYPE);
}
static BOOL pdb_rid_is_well_known(uint32 rid)
{
return (rid < BASE_RID);
}
BOOL algorithmic_pdb_rid_is_user(uint32 rid)
{
if(pdb_rid_is_well_known(rid)) {
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;
}
BOOL local_lookup_sid(const DOM_SID *sid, char *name, enum SID_NAME_USE *psid_name_use)
{
uint32 rid;
SAM_ACCOUNT *sam_account = NULL;
GROUP_MAP map;
BOOL ret;
if (!sid_peek_check_rid(get_global_sam_sid(), sid, &rid)){
DEBUG(0,("local_lookup_sid: sid_peek_check_rid return False! SID: %s\n",
sid_string_static(&map.sid)));
return False;
}
*psid_name_use = SID_NAME_UNKNOWN;
DEBUG(5,("local_lookup_sid: looking up RID %u.\n", (unsigned int)rid));
if (rid == DOMAIN_USER_RID_ADMIN) {
const char **admin_list = lp_admin_users(-1);
*psid_name_use = SID_NAME_USER;
if (admin_list) {
const char *p = *admin_list;
if(!next_token(&p, name, NULL, sizeof(fstring)))
fstrcpy(name, "Administrator");
} else {
fstrcpy(name, "Administrator");
}
return True;
}
if (!NT_STATUS_IS_OK(pdb_init_sam(&sam_account))) {
return False;
}
become_root();
if (pdb_getsampwsid(sam_account, sid)) {
unbecome_root();
fstrcpy(name, pdb_get_username(sam_account));
*psid_name_use = SID_NAME_USER;
pdb_free_sam(&sam_account);
return True;
}
pdb_free_sam(&sam_account);
ret = pdb_getgrsid(&map, *sid);
unbecome_root();
if ( ret ) {
if (map.gid!=(gid_t)-1) {
DEBUG(5,("local_lookup_sid: mapped group %s to gid %u\n", map.nt_name, (unsigned int)map.gid));
} else {
DEBUG(5,("local_lookup_sid: mapped group %s to no unix gid. Returning name.\n", map.nt_name));
}
fstrcpy(name, map.nt_name);
*psid_name_use = map.sid_name_use;
return True;
}
if (algorithmic_pdb_rid_is_user(rid)) {
uid_t uid;
struct passwd *pw = NULL;
DEBUG(5, ("assuming RID %u is a user\n", (unsigned)rid));
uid = algorithmic_pdb_user_rid_to_uid(rid);
pw = sys_getpwuid( uid );
DEBUG(5,("local_lookup_sid: looking up uid %u %s\n", (unsigned int)uid,
pw ? "succeeded" : "failed" ));
if ( !pw )
fstr_sprintf(name, "unix_user.%u", (unsigned int)uid);
else
fstrcpy( name, pw->pw_name );
DEBUG(5,("local_lookup_sid: found user %s for rid %u\n", name,
(unsigned int)rid ));
*psid_name_use = SID_NAME_USER;
return ( pw != NULL );
} else {
gid_t gid;
struct group *gr;
DEBUG(5, ("assuming RID %u is a group\n", (unsigned)rid));
gid = pdb_group_rid_to_gid(rid);
gr = getgrgid(gid);
*psid_name_use = SID_NAME_ALIAS;
DEBUG(5,("local_lookup_sid: looking up gid %u %s\n", (unsigned int)gid,
gr ? "succeeded" : "failed" ));
if( !gr )
fstr_sprintf(name, "unix_group.%u", (unsigned int)gid);
else
fstrcpy( name, gr->gr_name);
DEBUG(5,("local_lookup_sid: found group %s for rid %u\n", name,
(unsigned int)rid ));
*psid_name_use = SID_NAME_DOM_GRP;
return ( gr != NULL );
}
}
BOOL local_lookup_name(const char *c_user, DOM_SID *psid, enum SID_NAME_USE *psid_name_use)
{
DOM_SID local_sid;
DOM_SID sid;
fstring user;
SAM_ACCOUNT *sam_account = NULL;
struct group *grp;
GROUP_MAP map;
*psid_name_use = SID_NAME_UNKNOWN;
fstrcpy(user, c_user);
sid_copy(&local_sid, get_global_sam_sid());
if (map_name_to_wellknown_sid(&sid, psid_name_use, user)){
fstring sid_str;
sid_copy( psid, &sid);
sid_to_string(sid_str, &sid);
DEBUG(10,("lookup_name: name %s = SID %s, type = %u\n", user, sid_str,
(unsigned int)*psid_name_use ));
return True;
}
(void)map_username(user);
if (!NT_STATUS_IS_OK(pdb_init_sam(&sam_account))) {
return False;
}
become_root();
if (pdb_getsampwnam(sam_account, user)) {
unbecome_root();
sid_copy(psid, pdb_get_user_sid(sam_account));
*psid_name_use = SID_NAME_USER;
pdb_free_sam(&sam_account);
return True;
}
pdb_free_sam(&sam_account);
if (pdb_getgrnam(&map, user)) {
sid_copy(&local_sid, &map.sid);
*psid_name_use = map.sid_name_use;
} else {
grp = getgrnam(user);
if(!grp) {
unbecome_root();
return False;
}
if (pdb_getgrgid(&map, grp->gr_gid)){
unbecome_root();
return False;
}
sid_append_rid( &local_sid, pdb_gid_to_group_rid(grp->gr_gid));
*psid_name_use = SID_NAME_ALIAS;
}
unbecome_root();
sid_copy( psid, &local_sid);
return True;
}
BOOL local_password_change(const char *user_name, int local_flags,
const char *new_passwd,
char *err_str, size_t err_str_len,
char *msg_str, size_t msg_str_len)
{
SAM_ACCOUNT *sam_pass=NULL;
uint16 other_acb;
*err_str = '\0';
*msg_str = '\0';
pdb_init_sam(&sam_pass);
become_root();
if(!pdb_getsampwnam(sam_pass, user_name)) {
unbecome_root();
pdb_free_sam(&sam_pass);
if ((local_flags & LOCAL_ADD_USER) || (local_flags & LOCAL_DELETE_USER)) {
if (!NT_STATUS_IS_OK(pdb_init_sam_new(&sam_pass, user_name, 0))) {
slprintf(err_str, err_str_len-1, "Failed to initialise SAM_ACCOUNT for user %s. Does this user exist in the UNIX password database ?\n", user_name);
return False;
}
} else {
slprintf(err_str, err_str_len-1,"Failed to find entry for user %s.\n", user_name);
return False;
}
} else {
unbecome_root();
local_flags &= ~LOCAL_ADD_USER;
}
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) ) {
slprintf(err_str, err_str_len - 1, "Failed to set 'trusted workstation account' flags for user %s.\n", user_name);
pdb_free_sam(&sam_pass);
return False;
}
} else if (local_flags & LOCAL_INTERDOM_ACCOUNT) {
if (!pdb_set_acct_ctrl(sam_pass, ACB_DOMTRUST | other_acb, PDB_CHANGED)) {
slprintf(err_str, err_str_len - 1, "Failed to set 'domain trust account' flags for user %s.\n", user_name);
pdb_free_sam(&sam_pass);
return False;
}
} else {
if (!pdb_set_acct_ctrl(sam_pass, ACB_NORMAL | other_acb, PDB_CHANGED)) {
slprintf(err_str, err_str_len - 1, "Failed to set 'normal account' flags for user %s.\n", user_name);
pdb_free_sam(&sam_pass);
return False;
}
}
if (local_flags & LOCAL_DISABLE_USER) {
if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_DISABLED, PDB_CHANGED)) {
slprintf(err_str, err_str_len-1, "Failed to set 'disabled' flag for user %s.\n", user_name);
pdb_free_sam(&sam_pass);
return False;
}
} else if (local_flags & LOCAL_ENABLE_USER) {
if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) {
slprintf(err_str, err_str_len-1, "Failed to unset 'disabled' flag for user %s.\n", user_name);
pdb_free_sam(&sam_pass);
return False;
}
}
if (local_flags & LOCAL_SET_NO_PASSWORD) {
if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_PWNOTREQ, PDB_CHANGED)) {
slprintf(err_str, err_str_len-1, "Failed to set 'no password required' flag for user %s.\n", user_name);
pdb_free_sam(&sam_pass);
return False;
}
} else if (local_flags & LOCAL_SET_PASSWORD) {
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)) {
slprintf(err_str, err_str_len-1, "Failed to unset 'disabled' flag for user %s.\n", user_name);
pdb_free_sam(&sam_pass);
return False;
}
}
if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_PWNOTREQ), PDB_CHANGED)) {
slprintf(err_str, err_str_len-1, "Failed to unset 'no password required' flag for user %s.\n", user_name);
pdb_free_sam(&sam_pass);
return False;
}
if (!pdb_set_plaintext_passwd (sam_pass, new_passwd)) {
slprintf(err_str, err_str_len-1, "Failed to set password for user %s.\n", user_name);
pdb_free_sam(&sam_pass);
return False;
}
}
if (local_flags & LOCAL_ADD_USER) {
if (pdb_add_sam_account(sam_pass)) {
slprintf(msg_str, msg_str_len-1, "Added user %s.\n", user_name);
pdb_free_sam(&sam_pass);
return True;
} else {
slprintf(err_str, err_str_len-1, "Failed to add entry for user %s.\n", user_name);
pdb_free_sam(&sam_pass);
return False;
}
} else if (local_flags & LOCAL_DELETE_USER) {
if (!pdb_delete_sam_account(sam_pass)) {
slprintf(err_str,err_str_len-1, "Failed to delete entry for user %s.\n", user_name);
pdb_free_sam(&sam_pass);
return False;
}
slprintf(msg_str, msg_str_len-1, "Deleted user %s.\n", user_name);
} else {
if(!pdb_update_sam_account(sam_pass)) {
slprintf(err_str, err_str_len-1, "Failed to modify entry for user %s.\n", user_name);
pdb_free_sam(&sam_pass);
return False;
}
if(local_flags & LOCAL_DISABLE_USER)
slprintf(msg_str, msg_str_len-1, "Disabled user %s.\n", user_name);
else if (local_flags & LOCAL_ENABLE_USER)
slprintf(msg_str, msg_str_len-1, "Enabled user %s.\n", user_name);
else if (local_flags & LOCAL_SET_NO_PASSWORD)
slprintf(msg_str, msg_str_len-1, "User %s password set to none.\n", user_name);
}
pdb_free_sam(&sam_pass);
return True;
}
DOM_SID *algorithmic_uid_to_sid(DOM_SID *psid, uid_t uid)
{
if ( !lp_enable_rid_algorithm() )
return NULL;
DEBUG(8,("algorithmic_uid_to_sid: falling back to RID algorithm\n"));
sid_copy( psid, get_global_sam_sid() );
sid_append_rid( psid, algorithmic_pdb_uid_to_user_rid(uid) );
DEBUG(10,("algorithmic_uid_to_sid: uid (%d) -> SID %s.\n",
(unsigned int)uid, sid_string_static(psid) ));
return psid;
}
DOM_SID *local_uid_to_sid(DOM_SID *psid, uid_t uid)
{
SAM_ACCOUNT *sampw = NULL;
struct passwd *unix_pw;
BOOL ret;
unix_pw = sys_getpwuid( uid );
if ( !unix_pw ) {
DEBUG(4,("local_uid_to_sid: host has no idea of uid %lu\n", (unsigned long)uid));
return algorithmic_uid_to_sid( psid, uid);
}
if ( !NT_STATUS_IS_OK(pdb_init_sam(&sampw)) ) {
DEBUG(0,("local_uid_to_sid: failed to allocate SAM_ACCOUNT object\n"));
return NULL;
}
become_root();
ret = pdb_getsampwnam( sampw, unix_pw->pw_name );
unbecome_root();
if ( ret )
sid_copy( psid, pdb_get_user_sid(sampw) );
else {
DEBUG(4,("local_uid_to_sid: User %s [uid == %lu] has no samba account\n",
unix_pw->pw_name, (unsigned long)uid));
return algorithmic_uid_to_sid( psid, uid);
}
DEBUG(10,("local_uid_to_sid: uid (%d) -> SID %s (%s).\n",
(unsigned int)uid, sid_string_static(psid), unix_pw->pw_name));
return psid;
}
BOOL local_sid_to_uid(uid_t *puid, const DOM_SID *psid, enum SID_NAME_USE *name_type)
{
SAM_ACCOUNT *sampw = NULL;
struct passwd *unix_pw;
const char *user_name;
*name_type = SID_NAME_UNKNOWN;
if (!sid_check_is_in_our_domain(psid) ) {
DEBUG(5,("local_sid_to_uid: this SID (%s) is not from our domain\n", sid_string_static(psid)));
return False;
}
if ( !NT_STATUS_IS_OK(pdb_init_sam(&sampw)) ) {
DEBUG(0,("local_sid_to_uid: Failed to allocate memory for SAM_ACCOUNT object\n"));
return False;
}
become_root();
if ( !pdb_getsampwsid(sampw, psid) ) {
unbecome_root();
DEBUG(8,("local_sid_to_uid: Could not find SID %s in passdb\n",
sid_string_static(psid)));
return False;
}
unbecome_root();
user_name = pdb_get_username(sampw);
unix_pw = sys_getpwnam( user_name );
if ( !unix_pw ) {
DEBUG(0,("local_sid_to_uid: %s found in passdb but getpwnam() return NULL!\n",
user_name));
pdb_free_sam( &sampw );
return False;
}
*puid = unix_pw->pw_uid;
DEBUG(10,("local_sid_to_uid: SID %s -> uid (%u) (%s).\n", sid_string_static(psid),
(unsigned int)*puid, user_name ));
*name_type = SID_NAME_USER;
return True;
}
DOM_SID *algorithmic_gid_to_sid(DOM_SID *psid, uid_t gid)
{
if ( !lp_enable_rid_algorithm() )
return NULL;
DEBUG(8,("algorithmic_gid_to_sid: falling back to RID algorithm\n"));
sid_copy( psid, get_global_sam_sid() );
sid_append_rid( psid, pdb_gid_to_group_rid(gid) );
DEBUG(10,("algorithmic_gid_to_sid: gid (%d) -> SID %s.\n",
(unsigned int)gid, sid_string_static(psid) ));
return psid;
}
DOM_SID *local_gid_to_sid(DOM_SID *psid, gid_t gid)
{
GROUP_MAP group;
BOOL ret;
become_root();
ret = pdb_getgrgid( &group, gid );
unbecome_root();
if ( !ret ) {
if ( lp_enable_rid_algorithm() ) {
DEBUG(10,("local_gid_to_sid: Fall back to algorithmic mapping: %u -> %s\n",
(unsigned int)gid, sid_string_static(psid)));
return algorithmic_gid_to_sid(psid, gid);
}
else
return NULL;
}
sid_copy( psid, &group.sid );
DEBUG(10,("local_gid_to_sid: gid (%d) -> SID %s.\n",
(unsigned int)gid, sid_string_static(psid)));
return psid;
}
BOOL local_sid_to_gid(gid_t *pgid, const DOM_SID *psid, enum SID_NAME_USE *name_type)
{
uint32 rid;
GROUP_MAP group;
BOOL ret;
*name_type = SID_NAME_UNKNOWN;
become_root();
ret = pdb_getgrsid(&group, *psid);
unbecome_root();
if ( !ret ) {
if ( lp_enable_rid_algorithm() ) {
if (!sid_check_is_in_our_domain(psid) ) {
DEBUG(5,("local_sid_to_gid: RID algorithm only supported for our domain (%s is not)\n", sid_string_static(psid)));
return False;
}
if (!sid_peek_rid(psid, &rid)) {
DEBUG(10,("local_sid_to_gid: invalid SID!\n"));
return False;
}
DEBUG(10,("local_sid_to_gid: Fall back to algorithmic mapping\n"));
if (algorithmic_pdb_rid_is_user(rid)) {
DEBUG(3, ("local_sid_to_gid: SID %s is *NOT* a group\n", sid_string_static(psid)));
return False;
} else {
*pgid = pdb_group_rid_to_gid(rid);
DEBUG(10,("local_sid_to_gid: mapping: %s -> %u\n", sid_string_static(psid), (unsigned int)(*pgid)));
return True;
}
}
return False;
}
*pgid = group.gid;
*name_type = group.sid_name_use;
DEBUG(10,("local_sid_to_gid: SID %s -> gid (%u)\n", sid_string_static(psid),
(unsigned int)*pgid));
return True;
}
#define TDB_FORMAT_STRING_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd"
#define TDB_FORMAT_STRING_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd"
#define TDB_FORMAT_STRING_V2 "dddddddBBBBBBBBBBBBddBBBwwdBwwd"
BOOL init_sam_from_buffer(SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen)
{
return(init_sam_from_buffer_v2(sampass, buf, buflen));
}
uint32 init_buffer_from_sam (uint8 **buf, const SAM_ACCOUNT *sampass, BOOL size_only)
{
return(init_buffer_from_sam_v2(buf, sampass, size_only));
}
BOOL init_sam_from_buffer_v0(SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen)
{
uint32 logon_time,
logoff_time,
kickoff_time,
pass_last_set_time,
pass_can_change_time,
pass_must_change_time;
char *username;
char *domain;
char *nt_username;
char *dir_drive;
char *unknown_str;
char *munged_dial;
char *fullname;
char *homedir;
char *logon_script;
char *profile_path;
char *acct_desc;
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;
uint32 user_rid, group_rid, remove_me, hours_len, unknown_6;
uint16 acct_ctrl, logon_divs;
uint16 bad_password_count, logon_count;
uint8 *hours;
uint8 *lm_pw_ptr, *nt_pw_ptr;
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;
}
len = tdb_unpack ((char *)buf, buflen, TDB_FORMAT_STRING_V0,
&logon_time,
&logoff_time,
&kickoff_time,
&pass_last_set_time,
&pass_can_change_time,
&pass_must_change_time,
&username_len, &username,
&domain_len, &domain,
&nt_username_len, &nt_username,
&fullname_len, &fullname,
&homedir_len, &homedir,
&dir_drive_len, &dir_drive,
&logon_script_len, &logon_script,
&profile_path_len, &profile_path,
&acct_desc_len, &acct_desc,
&workstations_len, &workstations,
&unknown_str_len, &unknown_str,
&munged_dial_len, &munged_dial,
&user_rid,
&group_rid,
&lm_pw_len, &lm_pw_ptr,
&nt_pw_len, &nt_pw_ptr,
&acct_ctrl,
&remove_me,
&logon_divs,
&hours_len,
&hourslen, &hours,
&bad_password_count,
&logon_count,
&unknown_6);
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)
{
uint32 logon_time,
logoff_time,
kickoff_time,
bad_password_time,
pass_last_set_time,
pass_can_change_time,
pass_must_change_time;
char *username;
char *domain;
char *nt_username;
char *dir_drive;
char *unknown_str;
char *munged_dial;
char *fullname;
char *homedir;
char *logon_script;
char *profile_path;
char *acct_desc;
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;
uint32 user_rid, group_rid, remove_me, hours_len, unknown_6;
uint16 acct_ctrl, logon_divs;
uint16 bad_password_count, logon_count;
uint8 *hours;
uint8 *lm_pw_ptr, *nt_pw_ptr;
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;
}
len = tdb_unpack ((char *)buf, buflen, TDB_FORMAT_STRING_V1,
&logon_time,
&logoff_time,
&kickoff_time,
&bad_password_time,
&pass_last_set_time,
&pass_can_change_time,
&pass_must_change_time,
&username_len, &username,
&domain_len, &domain,
&nt_username_len, &nt_username,
&fullname_len, &fullname,
&homedir_len, &homedir,
&dir_drive_len, &dir_drive,
&logon_script_len, &logon_script,
&profile_path_len, &profile_path,
&acct_desc_len, &acct_desc,
&workstations_len, &workstations,
&unknown_str_len, &unknown_str,
&munged_dial_len, &munged_dial,
&user_rid,
&group_rid,
&lm_pw_len, &lm_pw_ptr,
&nt_pw_len, &nt_pw_ptr,
&acct_ctrl,
&remove_me,
&logon_divs,
&hours_len,
&hourslen, &hours,
&bad_password_count,
&logon_count,
&unknown_6);
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) {
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)
{
uint32 logon_time,
logoff_time,
kickoff_time,
bad_password_time,
pass_last_set_time,
pass_can_change_time,
pass_must_change_time;
char *username;
char *domain;
char *nt_username;
char *dir_drive;
char *unknown_str;
char *munged_dial;
char *fullname;
char *homedir;
char *logon_script;
char *profile_path;
char *acct_desc;
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;
uint32 user_rid, group_rid, hours_len, unknown_6;
uint16 acct_ctrl, logon_divs;
uint16 bad_password_count, logon_count;
uint8 *hours;
uint8 *lm_pw_ptr, *nt_pw_ptr, *nt_pw_hist_ptr;
uint32 len = 0;
uint32 lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen;
uint32 pwHistLen = 0;
BOOL ret = True;
if(sampass == NULL || buf == NULL) {
DEBUG(0, ("init_sam_from_buffer_v2: NULL parameters found!\n"));
return False;
}
len = tdb_unpack ((char *)buf, buflen, TDB_FORMAT_STRING_V2,
&logon_time,
&logoff_time,
&kickoff_time,
&bad_password_time,
&pass_last_set_time,
&pass_can_change_time,
&pass_must_change_time,
&username_len, &username,
&domain_len, &domain,
&nt_username_len, &nt_username,
&fullname_len, &fullname,
&homedir_len, &homedir,
&dir_drive_len, &dir_drive,
&logon_script_len, &logon_script,
&profile_path_len, &profile_path,
&acct_desc_len, &acct_desc,
&workstations_len, &workstations,
&unknown_str_len, &unknown_str,
&munged_dial_len, &munged_dial,
&user_rid,
&group_rid,
&lm_pw_len, &lm_pw_ptr,
&nt_pw_len, &nt_pw_ptr,
&nt_pw_hist_len, &nt_pw_hist_ptr,
&acct_ctrl,
&logon_divs,
&hours_len,
&hourslen, &hours,
&bad_password_count,
&logon_count,
&unknown_6);
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) {
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;
}
}
account_policy_get(AP_PASSWORD_HISTORY, &pwHistLen);
if (pwHistLen) {
char *pw_hist = 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_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;
}
uint32 init_buffer_from_sam_v2 (uint8 **buf, const SAM_ACCOUNT *sampass, BOOL size_only)
{
size_t len, buflen;
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;
if (sampass == NULL) {
DEBUG(0, ("init_buffer_from_sam: SAM_ACCOUNT is NULL!\n"));
return -1;
}
*buf = NULL;
buflen = 0;
logon_time = (uint32)pdb_get_logon_time(sampass);
logoff_time = (uint32)pdb_get_logoff_time(sampass);
kickoff_time = (uint32)pdb_get_kickoff_time(sampass);
bad_password_time = (uint32)pdb_get_bad_password_time(sampass);
pass_can_change_time = (uint32)pdb_get_pass_can_change_time(sampass);
pass_must_change_time = (uint32)pdb_get_pass_must_change_time(sampass);
pass_last_set_time = (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;
}
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;
}
account_policy_get(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;
}
len = tdb_pack(NULL, 0, TDB_FORMAT_STRING_V2,
logon_time,
logoff_time,
kickoff_time,
bad_password_time,
pass_last_set_time,
pass_can_change_time,
pass_must_change_time,
username_len, username,
domain_len, domain,
nt_username_len, nt_username,
fullname_len, fullname,
homedir_len, homedir,
dir_drive_len, dir_drive,
logon_script_len, logon_script,
profile_path_len, profile_path,
acct_desc_len, acct_desc,
workstations_len, workstations,
unknown_str_len, unknown_str,
munged_dial_len, munged_dial,
user_rid,
group_rid,
lm_pw_len, lm_pw,
nt_pw_len, nt_pw,
nt_pw_hist_len, nt_pw_hist,
pdb_get_acct_ctrl(sampass),
pdb_get_logon_divs(sampass),
pdb_get_hours_len(sampass),
MAX_HOURS_LEN, pdb_get_hours(sampass),
pdb_get_bad_password_count(sampass),
pdb_get_logon_count(sampass),
pdb_get_unknown_6(sampass));
if (size_only) {
return buflen;
}
if ( (*buf=(uint8*)SMB_MALLOC(len)) == NULL) {
DEBUG(0,("init_buffer_from_sam_v2: Unable to malloc() memory for buffer!\n"));
return (-1);
}
buflen = tdb_pack((char *)*buf, len, TDB_FORMAT_STRING_V2,
logon_time,
logoff_time,
kickoff_time,
bad_password_time,
pass_last_set_time,
pass_can_change_time,
pass_must_change_time,
username_len, username,
domain_len, domain,
nt_username_len, nt_username,
fullname_len, fullname,
homedir_len, homedir,
dir_drive_len, dir_drive,
logon_script_len, logon_script,
profile_path_len, profile_path,
acct_desc_len, acct_desc,
workstations_len, workstations,
unknown_str_len, unknown_str,
munged_dial_len, munged_dial,
user_rid,
group_rid,
lm_pw_len, lm_pw,
nt_pw_len, nt_pw,
nt_pw_hist_len, nt_pw_hist,
pdb_get_acct_ctrl(sampass),
pdb_get_logon_divs(sampass),
pdb_get_hours_len(sampass),
MAX_HOURS_LEN, pdb_get_hours(sampass),
pdb_get_bad_password_count(sampass),
pdb_get_logon_count(sampass),
pdb_get_unknown_6(sampass));
if (buflen != len) {
DEBUG(0, ("init_buffer_from_sam_v2: somthing odd is going on here: bufflen (%lu) != len (%lu) in tdb_pack operations!\n",
(unsigned long)buflen, (unsigned long)len));
SAFE_FREE (*buf);
return (-1);
}
return (buflen);
}
static BOOL get_free_ugid_range(uint32 *low, uint32 *high)
{
uid_t u_low, u_high;
gid_t g_low, g_high;
if (!lp_idmap_uid(&u_low, &u_high) || !lp_idmap_gid(&g_low, &g_high)) {
return False;
}
*low = (u_low < g_low) ? u_low : g_low;
*high = (u_high < g_high) ? u_high : g_high;
return True;
}
BOOL get_free_rid_range(uint32 *low, uint32 *high)
{
uint32 id_low, id_high;
if (!lp_enable_rid_algorithm()) {
*low = BASE_RID;
*high = (uint32)-1;
}
if (!get_free_ugid_range(&id_low, &id_high)) {
return False;
}
*low = algorithmic_pdb_uid_to_user_rid(id_low);
if (algorithmic_pdb_user_rid_to_uid((uint32)-1) < id_high) {
*high = (uint32)-1;
} else {
*high = algorithmic_pdb_uid_to_user_rid(id_high);
}
return True;
}
BOOL pdb_update_bad_password_count(SAM_ACCOUNT *sampass, BOOL *updated)
{
time_t LastBadPassword;
uint16 BadPasswordCount;
uint32 resettime;
if (!sampass) return False;
BadPasswordCount = pdb_get_bad_password_count(sampass);
if (!BadPasswordCount) {
DEBUG(9, ("No bad password attempts.\n"));
return True;
}
if (!account_policy_get(AP_RESET_COUNT_TIME, &resettime)) {
DEBUG(0, ("pdb_update_bad_password_count: account_policy_get failed.\n"));
return False;
}
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 + (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;
}
BOOL pdb_update_autolock_flag(SAM_ACCOUNT *sampass, BOOL *updated)
{
uint32 duration;
time_t LastBadPassword;
if (!sampass) return False;
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;
}
if (!account_policy_get(AP_LOCK_ACCOUNT_DURATION, &duration)) {
DEBUG(0, ("pdb_update_autolock_flag: account_policy_get failed.\n"));
return False;
}
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 + (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;
}
BOOL pdb_increment_bad_password_count(SAM_ACCOUNT *sampass)
{
uint32 account_policy_lockout;
BOOL autolock_updated = False, badpw_updated = False;
if (!sampass)
return False;
if (!account_policy_get(AP_BAD_ATTEMPT_LOCKOUT,
&account_policy_lockout)) {
DEBUG(0, ("pdb_increment_bad_password_count: account_policy_get failed.\n"));
return False;
}
if (!account_policy_lockout) {
DEBUG(9, ("No lockout policy, don't track bad passwords\n"));
return True;
}
if (!pdb_update_autolock_flag(sampass, &autolock_updated))
return False;
if (!pdb_update_bad_password_count(sampass, &badpw_updated))
return False;
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;
}