#include "includes.h"
#ifdef WITH_TDB_SAM
#define PDB_VERSION "20010830"
#define PASSDB_FILE_NAME "passdb.tdb"
#define TDB_FORMAT_STRING "ddddddBBBBBBBBBBBBddBBwdwdBdd"
#define USERPREFIX "USER_"
#define RIDPREFIX "RID_"
extern int DEBUGLEVEL;
extern pstring samlogon_user;
extern BOOL sam_logon_in_ssb;
struct tdb_enum_info {
TDB_CONTEXT *passwd_tdb;
TDB_DATA key;
};
static struct tdb_enum_info global_tdb_ent;
static BOOL init_sam_from_buffer (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, unknown_3, hours_len, unknown_5, unknown_6;
uint16 acct_ctrl, logon_divs;
uint8 *hours;
static uint8 *lm_pw_ptr, *nt_pw_ptr;
uint32 len = 0;
uint32 lmpwlen, ntpwlen, hourslen;
BOOL ret = True;
BOOL setflag;
struct passwd *pw;
uid_t uid;
gid_t gid;
if(sampass == NULL || buf == NULL) {
DEBUG(0, ("init_sam_from_buffer: NULL parameters found!\n"));
return False;
}
len = tdb_unpack (buf, buflen, TDB_FORMAT_STRING,
&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,
&lmpwlen, &lm_pw_ptr,
&ntpwlen, &nt_pw_ptr,
&acct_ctrl,
&unknown_3,
&logon_divs,
&hours_len,
&hourslen, &hours,
&unknown_5,
&unknown_6);
if (len == -1) {
ret = False;
goto done;
}
if (!username || !(pw=getpwnam(username))) {
DEBUG(0,("tdb_sam: getpwnam(%s) return NULL. User does not exist!\n",
username?username:"NULL"));
ret = False;
goto done;
}
uid = pw->pw_uid;
gid = pw->pw_gid;
pdb_set_uid(sampass, uid);
pdb_set_gid(sampass, gid);
pdb_set_logon_time(sampass, logon_time);
pdb_set_logoff_time(sampass, logoff_time);
pdb_set_kickoff_time(sampass, kickoff_time);
pdb_set_pass_can_change_time(sampass, pass_can_change_time);
pdb_set_pass_must_change_time(sampass, pass_must_change_time);
pdb_set_pass_last_set_time(sampass, pass_last_set_time);
pdb_set_username (sampass, username_len?username:NULL);
pdb_set_domain (sampass, domain_len?domain:NULL);
pdb_set_nt_username (sampass, nt_username_len?nt_username:NULL);
pdb_set_fullname (sampass, fullname_len?fullname:NULL);
if (homedir) setflag = True;
else {
setflag = False;
homedir = strdup(lp_logon_home());
if(!homedir) { ret = False; goto done; }
standard_sub_advanced(-1, username, "", gid, homedir);
DEBUG(5,("Home directory set back to %s\n", homedir));
}
pdb_set_homedir(sampass, homedir, setflag);
if (dir_drive) setflag = True;
else {
setflag = False;
dir_drive = strdup(lp_logon_drive());
if(!dir_drive) { ret = False; goto done; }
standard_sub_advanced(-1, username, "", gid, dir_drive);
DEBUG(5,("Home directory set back to %s\n", dir_drive));
}
pdb_set_dir_drive(sampass, dir_drive, setflag);
if (logon_script) setflag = True;
else {
setflag = False;
logon_script = strdup(lp_logon_script());
if(!logon_script) { ret = False; goto done; }
standard_sub_advanced(-1, username, "", gid, logon_script);
DEBUG(5,("Home directory set back to %s\n", logon_script));
}
pdb_set_logon_script(sampass, logon_script, setflag);
if (profile_path) setflag = True;
else {
setflag = False;
profile_path = strdup(lp_logon_path());
if(!profile_path) { ret = False; goto done; }
standard_sub_advanced(-1, username, "", gid, profile_path);
DEBUG(5,("Home directory set back to %s\n", profile_path));
}
pdb_set_profile_path(sampass, profile_path, setflag);
pdb_set_acct_desc (sampass, acct_desc);
pdb_set_workstations (sampass, workstations);
pdb_set_munged_dial (sampass, munged_dial);
if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr)) {
ret = False;
goto done;
}
if (!pdb_set_nt_passwd(sampass, nt_pw_ptr)) {
ret = False;
goto done;
}
pdb_set_user_rid(sampass, user_rid);
pdb_set_group_rid(sampass, group_rid);
pdb_set_unknown_3(sampass, unknown_3);
pdb_set_hours_len(sampass, hours_len);
pdb_set_unknown_5(sampass, unknown_5);
pdb_set_unknown_6(sampass, unknown_6);
pdb_set_acct_ctrl(sampass, acct_ctrl);
pdb_set_logon_divs(sampass, logon_divs);
pdb_set_hours(sampass, hours);
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);
return ret;
}
static uint32 init_buffer_from_sam (uint8 **buf, SAM_ACCOUNT *sampass)
{
size_t len, 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;
const uint8 *lm_pw;
const uint8 *nt_pw;
uint32 lm_pw_len = 16;
uint32 nt_pw_len = 16;
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);
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);
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_SET(sampass, FLAG_SAM_DRIVE)) dir_drive = pdb_get_dirdrive(sampass);
else dir_drive = NULL;
if (dir_drive) dir_drive_len = strlen(dir_drive) +1;
else dir_drive_len = 0;
if (IS_SAM_SET(sampass, FLAG_SAM_SMBHOME)) homedir = pdb_get_homedir(sampass);
else homedir = NULL;
if (homedir) homedir_len = strlen(homedir) +1;
else homedir_len = 0;
if (IS_SAM_SET(sampass, FLAG_SAM_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_SET(sampass, FLAG_SAM_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;
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,
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,
pdb_get_user_rid(sampass),
pdb_get_group_rid(sampass),
lm_pw_len, lm_pw,
nt_pw_len, nt_pw,
pdb_get_acct_ctrl(sampass),
pdb_get_unknown3(sampass),
pdb_get_logon_divs(sampass),
pdb_get_hours_len(sampass),
MAX_HOURS_LEN, pdb_get_hours(sampass),
pdb_get_unknown5(sampass),
pdb_get_unknown6(sampass));
if ( (*buf=(uint8*)malloc(len)) == NULL) {
DEBUG(0,("init_buffer_from_sam: Unable to malloc() memory for buffer!\n"));
return (-1);
}
buflen = tdb_pack(*buf, len, TDB_FORMAT_STRING,
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,
pdb_get_user_rid(sampass),
pdb_get_group_rid(sampass),
lm_pw_len, lm_pw,
nt_pw_len, nt_pw,
pdb_get_acct_ctrl(sampass),
pdb_get_unknown3(sampass),
pdb_get_logon_divs(sampass),
pdb_get_hours_len(sampass),
MAX_HOURS_LEN, pdb_get_hours(sampass),
pdb_get_unknown5(sampass),
pdb_get_unknown6(sampass));
if (buflen != len) {
SAFE_FREE (*buf);
return (-1);
}
return (buflen);
}
BOOL pdb_setsampwent(BOOL update)
{
pstring tdbfile;
get_private_directory(tdbfile);
pstrcat(tdbfile, "/");
pstrcat(tdbfile, PASSDB_FILE_NAME);
if (!(global_tdb_ent.passwd_tdb = tdb_open_log(tdbfile, 0, TDB_DEFAULT, update?(O_RDWR|O_CREAT):O_RDONLY, 0600)))
{
DEBUG(0, ("Unable to open/create TDB passwd\n"));
return False;
}
global_tdb_ent.key = tdb_firstkey(global_tdb_ent.passwd_tdb);
return True;
}
void pdb_endsampwent(void)
{
if (global_tdb_ent.passwd_tdb) {
tdb_close(global_tdb_ent.passwd_tdb);
global_tdb_ent.passwd_tdb = NULL;
}
DEBUG(7, ("endtdbpwent: closed sam database.\n"));
}
BOOL pdb_getsampwent(SAM_ACCOUNT *user)
{
TDB_DATA data;
struct passwd *pw;
uid_t uid;
gid_t gid;
char *prefix = USERPREFIX;
int prefixlen = strlen (prefix);
if (user==NULL) {
DEBUG(0,("pdb_get_sampwent: SAM_ACCOUNT is NULL.\n"));
return False;
}
while ((global_tdb_ent.key.dsize != 0) && (strncmp(global_tdb_ent.key.dptr, prefix, prefixlen)))
global_tdb_ent.key = tdb_nextkey(global_tdb_ent.passwd_tdb, global_tdb_ent.key);
if(global_tdb_ent.passwd_tdb == NULL) {
DEBUG(0,("pdb_get_sampwent: Bad TDB Context pointer.\n"));
return False;
}
data = tdb_fetch(global_tdb_ent.passwd_tdb, global_tdb_ent.key);
if (!data.dptr) {
DEBUG(5,("pdb_getsampwent: database entry not found.\n"));
return False;
}
if (!init_sam_from_buffer(user, data.dptr, data.dsize)) {
DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n"));
SAFE_FREE(data.dptr);
return False;
}
SAFE_FREE(data.dptr);
global_tdb_ent.key = tdb_nextkey(global_tdb_ent.passwd_tdb, global_tdb_ent.key);
return True;
}
BOOL pdb_getsampwnam (SAM_ACCOUNT *user, char *sname)
{
TDB_CONTEXT *pwd_tdb;
TDB_DATA data, key;
fstring keystr;
struct passwd *pw;
pstring tdbfile;
fstring name;
uid_t uid;
gid_t gid;
if (user==NULL) {
DEBUG(0,("pdb_getsampwnam: SAM_ACCOUNT is NULL.\n"));
return False;
}
fstrcpy(name, sname);
strlower(name);
get_private_directory(tdbfile);
pstrcat(tdbfile, PASSDB_FILE_NAME);
slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
key.dptr = keystr;
key.dsize = strlen(keystr) + 1;
if (!(pwd_tdb = tdb_open_log(tdbfile, 0, TDB_DEFAULT, O_RDONLY, 0600))) {
DEBUG(0, ("pdb_getsampwnam: Unable to open TDB passwd!\n"));
return False;
}
data = tdb_fetch(pwd_tdb, key);
if (!data.dptr) {
DEBUG(5,("pdb_getsampwnam (TDB): error fetching database.\n"));
DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
tdb_close(pwd_tdb);
return False;
}
if (!init_sam_from_buffer(user, data.dptr, data.dsize)) {
DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n"));
SAFE_FREE(data.dptr);
tdb_close(pwd_tdb);
return False;
}
SAFE_FREE(data.dptr);
tdb_close(pwd_tdb);
return True;
}
BOOL pdb_getsampwrid (SAM_ACCOUNT *user, uint32 rid)
{
TDB_CONTEXT *pwd_tdb;
TDB_DATA data, key;
fstring keystr;
pstring tdbfile;
fstring name;
if (user==NULL) {
DEBUG(0,("pdb_getsampwrid: SAM_ACCOUNT is NULL.\n"));
return False;
}
get_private_directory(tdbfile);
pstrcat(tdbfile, "/");
pstrcat(tdbfile, PASSDB_FILE_NAME);
slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid);
key.dptr = keystr;
key.dsize = strlen (keystr) + 1;
if (!(pwd_tdb = tdb_open_log(tdbfile, 0, TDB_DEFAULT, O_RDONLY, 0600))) {
DEBUG(0, ("pdb_getsampwrid: Unable to open TDB rid database!\n"));
return False;
}
data = tdb_fetch (pwd_tdb, key);
if (!data.dptr) {
DEBUG(5,("pdb_getsampwrid (TDB): error fetching database.\n"));
DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
tdb_close (pwd_tdb);
return False;
}
fstrcpy (name, data.dptr);
SAFE_FREE(data.dptr);
tdb_close (pwd_tdb);
return pdb_getsampwnam (user, name);
}
BOOL pdb_delete_sam_account(char *sname)
{
SAM_ACCOUNT *sam_pass = NULL;
TDB_CONTEXT *pwd_tdb;
TDB_DATA key, data;
fstring keystr;
pstring tdbfile;
uint32 rid;
fstring name;
fstrcpy(name, sname);
strlower(name);
get_private_directory(tdbfile);
pstrcat(tdbfile, "/");
pstrcat(tdbfile, PASSDB_FILE_NAME);
if (!(pwd_tdb = tdb_open_log(tdbfile, 0, TDB_DEFAULT, O_RDWR, 0600))) {
DEBUG(0, ("Unable to open TDB passwd!"));
return False;
}
slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
key.dptr = keystr;
key.dsize = strlen (keystr) + 1;
data = tdb_fetch (pwd_tdb, key);
if (!data.dptr) {
DEBUG(5,("pdb_delete_sam_account (TDB): error fetching database.\n"));
DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
tdb_close (pwd_tdb);
return False;
}
if (!pdb_init_sam (&sam_pass)) {
tdb_close (pwd_tdb);
return False;
}
if (!init_sam_from_buffer (sam_pass, data.dptr, data.dsize)) {
DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n"));
tdb_close (pwd_tdb);
SAFE_FREE(data.dptr);
return False;
}
SAFE_FREE(data.dptr);
rid = pdb_get_user_rid(sam_pass);
pdb_free_sam (sam_pass);
if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) {
DEBUG(5, ("Error deleting entry from tdb passwd database!\n"));
DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
tdb_close(pwd_tdb);
return False;
}
slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid);
key.dptr = keystr;
key.dsize = strlen (keystr) + 1;
if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) {
DEBUG(5, ("Error deleting entry from tdb rid database!\n"));
DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
tdb_close(pwd_tdb);
return False;
}
tdb_close(pwd_tdb);
return True;
}
static BOOL tdb_update_sam(SAM_ACCOUNT* newpwd, BOOL override, int flag)
{
TDB_CONTEXT *pwd_tdb = NULL;
TDB_DATA key, data;
uint8 *buf = NULL;
fstring keystr;
pstring tdbfile;
fstring name;
BOOL ret = True;
get_private_directory(tdbfile);
pstrcat(tdbfile, "/");
pstrcat(tdbfile, PASSDB_FILE_NAME);
if ( (!newpwd->uid) || (!newpwd->gid) )
DEBUG (0,("tdb_update_sam: Storing a SAM_ACCOUNT for [%s] with uid %d and gid %d!\n",
newpwd->username, newpwd->uid, newpwd->gid));
if (!newpwd->user_rid)
pdb_set_user_rid (newpwd, pdb_uid_to_user_rid (newpwd->uid));
if (!newpwd->group_rid)
pdb_set_group_rid (newpwd, pdb_gid_to_group_rid (newpwd->gid));
if ((data.dsize=init_buffer_from_sam (&buf, newpwd)) == -1) {
DEBUG(0,("tdb_update_sam: ERROR - Unable to copy SAM_ACCOUNT info BYTE buffer!\n"));
ret = False;
goto done;
}
data.dptr = buf;
fstrcpy(name,pdb_get_username(newpwd));
strlower(name);
slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
key.dptr = keystr;
key.dsize = strlen (keystr) + 1;
if (global_tdb_ent.passwd_tdb) {
tdb_close(global_tdb_ent.passwd_tdb);
global_tdb_ent.passwd_tdb = NULL;
}
pwd_tdb = tdb_open_log(tdbfile, 0, TDB_DEFAULT, O_RDWR | O_CREAT, 0600);
if (!pwd_tdb)
{
DEBUG(0, ("tdb_update_sam: Unable to open TDB passwd!\n"));
return False;
}
if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) {
DEBUG(0, ("Unable to modify passwd TDB!"));
DEBUGADD(0, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
ret = False;
goto done;
}
data.dsize = sizeof(fstring);
data.dptr = name;
slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, pdb_get_user_rid(newpwd));
key.dptr = keystr;
key.dsize = strlen (keystr) + 1;
if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) {
DEBUG(0, ("Unable to modify TDB passwd !"));
DEBUGADD(0, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
ret = False;
goto done;
}
done:
tdb_close (pwd_tdb);
SAFE_FREE(buf);
return (ret);
}
BOOL pdb_update_sam_account (SAM_ACCOUNT *newpwd, BOOL override)
{
return (tdb_update_sam(newpwd, override, TDB_MODIFY));
}
BOOL pdb_add_sam_account (SAM_ACCOUNT *newpwd)
{
return (tdb_update_sam(newpwd, True, TDB_INSERT));
}
#else
void samtdb_dummy_function(void) { }
#endif