bool login_cache_delentry(const struct samu *sampass)
{
int ret;
char *keystr;
if (!login_cache_init())
return False;
if (pdb_get_nt_username(sampass) == NULL) {
return False;
}
keystr = SMB_STRDUP(pdb_get_nt_username(sampass));
if (!keystr || !keystr[0]) {
SAFE_FREE(keystr);
return False;
}
DEBUG(9, ("About to delete entry for %s\n", keystr));
ret = tdb_delete_bystring(cache, keystr);
DEBUG(9, ("tdb_delete returned %d\n", ret));
SAFE_FREE(keystr);
return ret == 0;
}
BOOL login_cache_delentry(const struct samu *sampass)
{
int ret;
TDB_DATA keybuf;
if (!login_cache_init())
return False;
if (pdb_get_nt_username(sampass) == NULL) {
return False;
}
keybuf.dptr = SMB_STRDUP(pdb_get_nt_username(sampass));
if (!keybuf.dptr || !strlen(keybuf.dptr)) {
SAFE_FREE(keybuf.dptr);
return False;
}
keybuf.dsize = strlen(keybuf.dptr) + 1;
DEBUG(9, ("About to delete entry for %s\n", keybuf.dptr));
ret = tdb_delete(cache, keybuf);
DEBUG(9, ("tdb_delete returned %d\n", ret));
SAFE_FREE(keybuf.dptr);
return ret == 0;
}
/* if we can't read the cache, oh well, no need to return anything */
bool login_cache_read(struct samu *sampass, struct login_cache *entry)
{
char *keystr;
TDB_DATA databuf;
uint32_t entry_timestamp = 0, bad_password_time = 0;
uint16_t acct_ctrl;
if (!login_cache_init()) {
return false;
}
if (pdb_get_nt_username(sampass) == NULL) {
return false;
}
keystr = SMB_STRDUP(pdb_get_nt_username(sampass));
if (!keystr || !keystr[0]) {
SAFE_FREE(keystr);
return false;
}
DEBUG(7, ("Looking up login cache for user %s\n",
keystr));
databuf = tdb_fetch_bystring(cache, keystr);
SAFE_FREE(keystr);
ZERO_STRUCTP(entry);
if (tdb_unpack (databuf.dptr, databuf.dsize, SAM_CACHE_FORMAT,
&entry_timestamp,
&acct_ctrl,
&entry->bad_password_count,
&bad_password_time) == -1) {
DEBUG(7, ("No cache entry found\n"));
SAFE_FREE(databuf.dptr);
return false;
}
/*
* Deal with 32-bit acct_ctrl. In the tdb we only store 16-bit
* ("w" in SAM_CACHE_FORMAT). Fixes bug 7253.
*/
entry->acct_ctrl = acct_ctrl;
/* Deal with possible 64-bit time_t. */
entry->entry_timestamp = (time_t)entry_timestamp;
entry->bad_password_time = (time_t)bad_password_time;
SAFE_FREE(databuf.dptr);
DEBUG(5, ("Found login cache entry: timestamp %12u, flags 0x%x, count %d, time %12u\n",
(unsigned int)entry->entry_timestamp, entry->acct_ctrl,
entry->bad_password_count, (unsigned int)entry->bad_password_time));
return true;
}
bool login_cache_write(const struct samu *sampass,
const struct login_cache *entry)
{
char *keystr;
TDB_DATA databuf;
bool ret;
uint32_t entry_timestamp;
uint32_t bad_password_time = entry->bad_password_time;
if (!login_cache_init())
return False;
if (pdb_get_nt_username(sampass) == NULL) {
return False;
}
keystr = SMB_STRDUP(pdb_get_nt_username(sampass));
if (!keystr || !keystr[0]) {
SAFE_FREE(keystr);
return False;
}
entry_timestamp = (uint32_t)time(NULL);
databuf.dsize =
tdb_pack(NULL, 0, SAM_CACHE_FORMAT,
entry_timestamp,
entry->acct_ctrl,
entry->bad_password_count,
bad_password_time);
databuf.dptr = SMB_MALLOC_ARRAY(uint8_t, databuf.dsize);
if (!databuf.dptr) {
SAFE_FREE(keystr);
return False;
}
if (tdb_pack(databuf.dptr, databuf.dsize, SAM_CACHE_FORMAT,
entry_timestamp,
entry->acct_ctrl,
entry->bad_password_count,
bad_password_time)
!= databuf.dsize) {
SAFE_FREE(keystr);
SAFE_FREE(databuf.dptr);
return False;
}
ret = tdb_store_bystring(cache, keystr, databuf, 0);
SAFE_FREE(keystr);
SAFE_FREE(databuf.dptr);
return ret == 0;
}
BOOL login_cache_write(const struct samu *sampass, LOGIN_CACHE entry)
{
TDB_DATA keybuf, databuf;
BOOL ret;
if (!login_cache_init())
return False;
if (pdb_get_nt_username(sampass) == NULL) {
return False;
}
keybuf.dptr = SMB_STRDUP(pdb_get_nt_username(sampass));
if (!keybuf.dptr || !strlen(keybuf.dptr)) {
SAFE_FREE(keybuf.dptr);
return False;
}
keybuf.dsize = strlen(keybuf.dptr) + 1;
entry.entry_timestamp = time(NULL);
databuf.dsize =
tdb_pack(NULL, 0, SAM_CACHE_FORMAT,
entry.entry_timestamp,
entry.acct_ctrl,
entry.bad_password_count,
entry.bad_password_time);
databuf.dptr = SMB_MALLOC_ARRAY(char, databuf.dsize);
if (!databuf.dptr) {
SAFE_FREE(keybuf.dptr);
return False;
}
if (tdb_pack(databuf.dptr, databuf.dsize, SAM_CACHE_FORMAT,
entry.entry_timestamp,
entry.acct_ctrl,
entry.bad_password_count,
entry.bad_password_time)
!= databuf.dsize) {
SAFE_FREE(keybuf.dptr);
SAFE_FREE(databuf.dptr);
return False;
}
ret = tdb_store(cache, keybuf, databuf, 0);
SAFE_FREE(keybuf.dptr);
SAFE_FREE(databuf.dptr);
return ret == 0;
}
/* if we can't read the cache, oh well, no need to return anything */
LOGIN_CACHE * login_cache_read(struct samu *sampass)
{
char *keystr;
TDB_DATA databuf;
LOGIN_CACHE *entry;
if (!login_cache_init())
return NULL;
if (pdb_get_nt_username(sampass) == NULL) {
return NULL;
}
keystr = SMB_STRDUP(pdb_get_nt_username(sampass));
if (!keystr || !keystr[0]) {
SAFE_FREE(keystr);
return NULL;
}
DEBUG(7, ("Looking up login cache for user %s\n",
keystr));
databuf = tdb_fetch_bystring(cache, keystr);
SAFE_FREE(keystr);
if (!(entry = SMB_MALLOC_P(LOGIN_CACHE))) {
DEBUG(1, ("Unable to allocate cache entry buffer!\n"));
SAFE_FREE(databuf.dptr);
return NULL;
}
if (tdb_unpack (databuf.dptr, databuf.dsize, SAM_CACHE_FORMAT,
&entry->entry_timestamp, &entry->acct_ctrl,
&entry->bad_password_count,
&entry->bad_password_time) == -1) {
DEBUG(7, ("No cache entry found\n"));
SAFE_FREE(entry);
SAFE_FREE(databuf.dptr);
return NULL;
}
SAFE_FREE(databuf.dptr);
DEBUG(5, ("Found login cache entry: timestamp %12u, flags 0x%x, count %d, time %12u\n",
(unsigned int)entry->entry_timestamp, entry->acct_ctrl,
entry->bad_password_count, (unsigned int)entry->bad_password_time));
return entry;
}
