#endif
-#define TDBSAM_VERSION 3 /* Most recent TDBSAM version */
+#define TDBSAM_VERSION 4 /* Most recent TDBSAM version */
#define TDBSAM_VERSION_STRING "INFO/version"
#define PASSDB_FILE_NAME "passdb.tdb"
#define USERPREFIX "USER_"
#define USERPREFIX_LEN 5
#define RIDPREFIX "RID_"
#define PRIVPREFIX "PRIV_"
+#define NEXT_RID_STRING "NEXT_RID"
/* GLOBAL TDB SAM CONTEXT */
static struct db_context *db_sam;
static char *tdbsam_filename;
-/**********************************************************************
- Marshall/unmarshall struct samu structs.
- *********************************************************************/
-
-#define TDB_FORMAT_STRING_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd"
-#define TDB_FORMAT_STRING_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd"
-#define TDB_FORMAT_STRING_V2 "dddddddBBBBBBBBBBBBddBBBwwdBwwd"
-
-/*********************************************************************
-*********************************************************************/
-
-static bool init_sam_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_sam_from_buffer_v0: NULL parameters found!\n"));
- return False;
- }
-
-/* TDB_FORMAT_STRING_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd" */
-
- /* unpack the buffer into variables */
- len = tdb_unpack (buf, buflen, TDB_FORMAT_STRING_V0,
- &logon_time, /* d */
- &logoff_time, /* d */
- &kickoff_time, /* d */
- &pass_last_set_time, /* d */
- &pass_can_change_time, /* d */
- &pass_must_change_time, /* d */
- &username_len, &username, /* B */
- &domain_len, &domain, /* B */
- &nt_username_len, &nt_username, /* B */
- &fullname_len, &fullname, /* B */
- &homedir_len, &homedir, /* B */
- &dir_drive_len, &dir_drive, /* B */
- &logon_script_len, &logon_script, /* B */
- &profile_path_len, &profile_path, /* B */
- &acct_desc_len, &acct_desc, /* B */
- &workstations_len, &workstations, /* B */
- &unknown_str_len, &unknown_str, /* B */
- &munged_dial_len, &munged_dial, /* B */
- &user_rid, /* d */
- &group_rid, /* d */
- &lm_pw_len, &lm_pw_ptr, /* B */
- &nt_pw_len, &nt_pw_ptr, /* B */
- &acct_ctrl, /* w */
- &remove_me, /* remove on the next TDB_FORMAT upgarde */ /* d */
- &logon_divs, /* w */
- &hours_len, /* d */
- &hourslen, &hours, /* B */
- &bad_password_count, /* w */
- &logon_count, /* w */
- &unknown_6); /* d */
-
- if (len == (uint32) -1) {
- ret = False;
- goto done;
- }
-
- pdb_set_logon_time(sampass, logon_time, PDB_SET);
- pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
- pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
- pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
- pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
- pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
-
- pdb_set_username(sampass, username, PDB_SET);
- pdb_set_domain(sampass, domain, PDB_SET);
- pdb_set_nt_username(sampass, nt_username, PDB_SET);
- pdb_set_fullname(sampass, fullname, PDB_SET);
-
- if (homedir) {
- pdb_set_homedir(sampass, homedir, PDB_SET);
- }
- else {
- pdb_set_homedir(sampass,
- talloc_sub_basic(sampass, 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_sam_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_sam_from_buffer_v1: NULL parameters found!\n"));
- return False;
- }
-
-/* TDB_FORMAT_STRING_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd" */
-
- /* unpack the buffer into variables */
- len = tdb_unpack (buf, buflen, TDB_FORMAT_STRING_V1,
- &logon_time, /* d */
- &logoff_time, /* d */
- &kickoff_time, /* d */
- /* Change from V0 is addition of bad_password_time field. */
- &bad_password_time, /* d */
- &pass_last_set_time, /* d */
- &pass_can_change_time, /* d */
- &pass_must_change_time, /* d */
- &username_len, &username, /* B */
- &domain_len, &domain, /* B */
- &nt_username_len, &nt_username, /* B */
- &fullname_len, &fullname, /* B */
- &homedir_len, &homedir, /* B */
- &dir_drive_len, &dir_drive, /* B */
- &logon_script_len, &logon_script, /* B */
- &profile_path_len, &profile_path, /* B */
- &acct_desc_len, &acct_desc, /* B */
- &workstations_len, &workstations, /* B */
- &unknown_str_len, &unknown_str, /* B */
- &munged_dial_len, &munged_dial, /* B */
- &user_rid, /* d */
- &group_rid, /* d */
- &lm_pw_len, &lm_pw_ptr, /* B */
- &nt_pw_len, &nt_pw_ptr, /* B */
- &acct_ctrl, /* w */
- &remove_me, /* d */
- &logon_divs, /* w */
- &hours_len, /* d */
- &hourslen, &hours, /* B */
- &bad_password_count, /* w */
- &logon_count, /* w */
- &unknown_6); /* d */
-
- if (len == (uint32) -1) {
- ret = False;
- goto done;
- }
-
- pdb_set_logon_time(sampass, logon_time, PDB_SET);
- pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
- pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
-
- /* Change from V0 is addition of bad_password_time field. */
- pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
- pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
- pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
- pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
-
- pdb_set_username(sampass, username, PDB_SET);
- pdb_set_domain(sampass, domain, PDB_SET);
- pdb_set_nt_username(sampass, nt_username, PDB_SET);
- pdb_set_fullname(sampass, fullname, PDB_SET);
-
- if (homedir) {
- pdb_set_homedir(sampass, homedir, PDB_SET);
- }
- else {
- pdb_set_homedir(sampass,
- talloc_sub_basic(sampass, 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;
-}
-
-bool init_sam_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_sam_from_buffer_v2: NULL parameters found!\n"));
- return False;
- }
-
-/* TDB_FORMAT_STRING_V2 "dddddddBBBBBBBBBBBBddBBBwwdBwwd" */
-
- /* unpack the buffer into variables */
- len = tdb_unpack (buf, buflen, TDB_FORMAT_STRING_V2,
- &logon_time, /* d */
- &logoff_time, /* d */
- &kickoff_time, /* d */
- &bad_password_time, /* d */
- &pass_last_set_time, /* d */
- &pass_can_change_time, /* d */
- &pass_must_change_time, /* d */
- &username_len, &username, /* B */
- &domain_len, &domain, /* B */
- &nt_username_len, &nt_username, /* B */
- &fullname_len, &fullname, /* B */
- &homedir_len, &homedir, /* B */
- &dir_drive_len, &dir_drive, /* B */
- &logon_script_len, &logon_script, /* B */
- &profile_path_len, &profile_path, /* B */
- &acct_desc_len, &acct_desc, /* B */
- &workstations_len, &workstations, /* B */
- &unknown_str_len, &unknown_str, /* B */
- &munged_dial_len, &munged_dial, /* B */
- &user_rid, /* d */
- &group_rid, /* d */
- &lm_pw_len, &lm_pw_ptr, /* B */
- &nt_pw_len, &nt_pw_ptr, /* B */
- /* Change from V1 is addition of password history field. */
- &nt_pw_hist_len, &nt_pw_hist_ptr, /* B */
- &acct_ctrl, /* w */
- /* Also "remove_me" field was removed. */
- &logon_divs, /* w */
- &hours_len, /* d */
- &hourslen, &hours, /* B */
- &bad_password_count, /* w */
- &logon_count, /* w */
- &unknown_6); /* d */
-
- if (len == (uint32) -1) {
- ret = False;
- goto done;
- }
-
- pdb_set_logon_time(sampass, logon_time, PDB_SET);
- pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
- pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
- pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
- pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
- pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
- pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
-
- pdb_set_username(sampass, username, PDB_SET);
- pdb_set_domain(sampass, domain, PDB_SET);
- pdb_set_nt_username(sampass, nt_username, PDB_SET);
- pdb_set_fullname(sampass, fullname, PDB_SET);
-
- if (homedir) {
- fstrcpy( 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;
-}
-
-
-/**********************************************************************
- Intialize a struct samu struct from a BYTE buffer of size len
- *********************************************************************/
-
-static bool init_sam_from_buffer(struct samu *sampass, uint8 *buf, uint32 buflen)
-{
- return init_sam_from_buffer_v3(sampass, buf, buflen);
-}
-
-/**********************************************************************
- Intialize a BYTE buffer from a struct samu struct
- *********************************************************************/
-
-static uint32 init_buffer_from_sam (uint8 **buf, struct samu *sampass, bool size_only)
-{
- return init_buffer_from_sam_v3(buf, sampass, size_only);
-}
-
-/**********************************************************************
- Intialize a BYTE buffer from a struct samu struct
- *********************************************************************/
-
struct tdbsam_convert_state {
int32_t from;
bool success;
switch (state->from) {
case 0:
- ret = init_sam_from_buffer_v0(user, (uint8 *)rec->value.dptr,
- rec->value.dsize);
+ ret = init_samu_from_buffer(user, SAMU_BUFFER_V0,
+ (uint8 *)rec->value.dptr,
+ rec->value.dsize);
break;
case 1:
- ret = init_sam_from_buffer_v1(user, (uint8 *)rec->value.dptr,
- rec->value.dsize);
+ ret = init_samu_from_buffer(user, SAMU_BUFFER_V1,
+ (uint8 *)rec->value.dptr,
+ rec->value.dsize);
break;
case 2:
- ret = init_sam_from_buffer_v2(user, (uint8 *)rec->value.dptr,
- rec->value.dsize);
+ ret = init_samu_from_buffer(user, SAMU_BUFFER_V2,
+ (uint8 *)rec->value.dptr,
+ rec->value.dsize);
break;
case 3:
- ret = init_sam_from_buffer_v3(user, (uint8 *)rec->value.dptr,
- rec->value.dsize);
+ ret = init_samu_from_buffer(user, SAMU_BUFFER_V3,
+ (uint8 *)rec->value.dptr,
+ rec->value.dsize);
+ break;
+ case 4:
+ ret = init_samu_from_buffer(user, SAMU_BUFFER_V4,
+ (uint8 *)rec->value.dptr,
+ rec->value.dsize);
break;
default:
/* unknown tdbsam version */
return -1;
}
- data.dsize = init_buffer_from_sam(&data.dptr, user, false);
+ data.dsize = init_buffer_from_samu(&data.dptr, user, false);
TALLOC_FREE(user);
if (data.dsize == -1) {
return 0;
}
-static bool tdbsam_convert(struct db_context *db, int32 from)
+/**********************************************************************
+ Struct and function to backup an old record.
+ *********************************************************************/
+
+struct tdbsam_backup_state {
+ struct db_context *new_db;
+ bool success;
+};
+
+static int backup_copy_fn(struct db_record *orig_rec, void *state)
+{
+ struct tdbsam_backup_state *bs = (struct tdbsam_backup_state *)state;
+ struct db_record *new_rec;
+ NTSTATUS status;
+
+ new_rec = bs->new_db->fetch_locked(bs->new_db, talloc_tos(), orig_rec->key);
+ if (new_rec == NULL) {
+ bs->success = false;
+ return 1;
+ }
+
+ status = new_rec->store(new_rec, orig_rec->value, TDB_INSERT);
+
+ TALLOC_FREE(new_rec);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ bs->success = false;
+ return 1;
+ }
+ return 0;
+}
+
+/**********************************************************************
+ Make a backup of an old passdb and replace the new one with it. We
+ have to do this as between 3.0.x and 3.2.x the hash function changed
+ by mistake (used unsigned char * instead of char *). This means the
+ previous simple update code will fail due to not being able to find
+ existing records to replace in the tdbsam_convert_one() function. JRA.
+ *********************************************************************/
+
+static bool tdbsam_convert_backup(const char *dbname, struct db_context **pp_db)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ const char *tmp_fname = NULL;
+ struct db_context *tmp_db = NULL;
+ struct db_context *orig_db = *pp_db;
+ struct tdbsam_backup_state bs;
+ int ret;
+
+ tmp_fname = talloc_asprintf(frame, "%s.tmp", dbname);
+ if (!tmp_fname) {
+ TALLOC_FREE(frame);
+ return false;
+ }
+
+ unlink(tmp_fname);
+
+ /* Remember to open this on the NULL context. We need
+ * it to stay around after we return from here. */
+
+ tmp_db = db_open(NULL, tmp_fname, 0,
+ TDB_DEFAULT, O_CREAT|O_RDWR, 0600);
+ if (tmp_db == NULL) {
+ DEBUG(0, ("tdbsam_convert_backup: Failed to create backup TDB passwd "
+ "[%s]\n", tmp_fname));
+ TALLOC_FREE(frame);
+ return false;
+ }
+
+ if (orig_db->transaction_start(orig_db) != 0) {
+ DEBUG(0, ("tdbsam_convert_backup: Could not start transaction (1)\n"));
+ unlink(tmp_fname);
+ TALLOC_FREE(tmp_db);
+ TALLOC_FREE(frame);
+ return false;
+ }
+ if (tmp_db->transaction_start(tmp_db) != 0) {
+ DEBUG(0, ("tdbsam_convert_backup: Could not start transaction (2)\n"));
+ orig_db->transaction_cancel(orig_db);
+ unlink(tmp_fname);
+ TALLOC_FREE(tmp_db);
+ TALLOC_FREE(frame);
+ return false;
+ }
+
+ bs.new_db = tmp_db;
+ bs.success = true;
+
+ ret = orig_db->traverse(orig_db, backup_copy_fn, (void *)&bs);
+ if (ret < 0) {
+ DEBUG(0, ("tdbsam_convert_backup: traverse failed\n"));
+ goto cancel;
+ }
+
+ if (!bs.success) {
+ DEBUG(0, ("tdbsam_convert_backup: Rewriting records failed\n"));
+ goto cancel;
+ }
+
+ if (orig_db->transaction_commit(orig_db) != 0) {
+ smb_panic("tdbsam_convert_backup: orig commit failed\n");
+ }
+ if (tmp_db->transaction_commit(tmp_db) != 0) {
+ smb_panic("tdbsam_convert_backup: orig commit failed\n");
+ }
+
+ /* This is safe from other users as we know we're
+ * under a mutex here. */
+
+ if (rename(tmp_fname, dbname) == -1) {
+ DEBUG(0, ("tdbsam_convert_backup: rename of %s to %s failed %s\n",
+ tmp_fname,
+ dbname,
+ strerror(errno)));
+ smb_panic("tdbsam_convert_backup: replace passdb failed\n");
+ }
+
+ TALLOC_FREE(frame);
+ TALLOC_FREE(orig_db);
+
+ DEBUG(1, ("tdbsam_convert_backup: updated %s file.\n",
+ dbname ));
+
+ /* Replace the global db pointer. */
+ *pp_db = tmp_db;
+ return true;
+
+ cancel:
+
+ if (orig_db->transaction_cancel(orig_db) != 0) {
+ smb_panic("tdbsam_convert: transaction_cancel failed");
+ }
+
+ if (tmp_db->transaction_cancel(tmp_db) != 0) {
+ smb_panic("tdbsam_convert: transaction_cancel failed");
+ }
+
+ unlink(tmp_fname);
+ TALLOC_FREE(tmp_db);
+ TALLOC_FREE(frame);
+ return false;
+}
+
+static bool tdbsam_upgrade_next_rid(struct db_context *db)
+{
+ TDB_CONTEXT *tdb;
+ uint32 rid;
+ bool ok = false;
+
+ ok = dbwrap_fetch_uint32(db, NEXT_RID_STRING, &rid);
+ if (ok) {
+ return true;
+ }
+
+ tdb = tdb_open_log(state_path("winbindd_idmap.tdb"), 0,
+ TDB_DEFAULT, O_RDONLY, 0644);
+
+ if (tdb) {
+ ok = tdb_fetch_uint32(tdb, "RID_COUNTER", &rid);
+ if (!ok) {
+ rid = BASE_RID;
+ }
+ tdb_close(tdb);
+ } else {
+ rid = BASE_RID;
+ }
+
+ if (dbwrap_store_uint32(db, NEXT_RID_STRING, rid) != 0) {
+ return false;
+ }
+
+ return true;
+}
+
+static bool tdbsam_convert(struct db_context **pp_db, const char *name, int32 from)
{
struct tdbsam_convert_state state;
+ struct db_context *db = NULL;
int ret;
+ /* We only need the update backup for local db's. */
+ if (db_is_local(name) && !tdbsam_convert_backup(name, pp_db)) {
+ DEBUG(0, ("tdbsam_convert: Could not backup %s\n", name));
+ return false;
+ }
+
+ db = *pp_db;
state.from = from;
state.success = true;
if (db->transaction_start(db) != 0) {
- DEBUG(0, ("Could not start transaction\n"));
+ DEBUG(0, ("tdbsam_convert: Could not start transaction\n"));
return false;
}
+ if (!tdbsam_upgrade_next_rid(db)) {
+ DEBUG(0, ("tdbsam_convert: tdbsam_upgrade_next_rid failed\n"));
+ goto cancel;
+ }
+
ret = db->traverse(db, tdbsam_convert_one, &state);
if (ret < 0) {
- DEBUG(0, ("traverse failed\n"));
+ DEBUG(0, ("tdbsam_convert: traverse failed\n"));
goto cancel;
}
if (!state.success) {
- DEBUG(0, ("Converting records failed\n"));
+ DEBUG(0, ("tdbsam_convert: Converting records failed\n"));
goto cancel;
}
if (dbwrap_store_int32(db, TDBSAM_VERSION_STRING,
TDBSAM_VERSION) != 0) {
- DEBUG(0, ("Could not store tdbsam version\n"));
+ DEBUG(0, ("tdbsam_convert: Could not store tdbsam version\n"));
goto cancel;
}
if (db->transaction_commit(db) != 0) {
- DEBUG(0, ("Could not commit transaction\n"));
- goto cancel;
+ DEBUG(0, ("tdbsam_convert: Could not commit transaction\n"));
+ return false;
}
return true;
cancel:
if (db->transaction_cancel(db) != 0) {
- smb_panic("transaction_cancel failed");
+ smb_panic("tdbsam_convert: transaction_cancel failed");
}
return false;
}
if ( version < TDBSAM_VERSION ) {
- DEBUG(1, ("tdbsam_open: Converting version %d database to "
- "version %d.\n", version, TDBSAM_VERSION));
+ /*
+ * Ok - we think we're going to have to convert.
+ * Due to the backup process we now must do to
+ * upgrade we have to get a mutex and re-check
+ * the version. Someone else may have upgraded
+ * whilst we were checking.
+ */
- if ( !tdbsam_convert(db_sam, version) ) {
- DEBUG(0, ("tdbsam_open: Error when trying to convert "
- "tdbsam [%s]\n",name));
+ struct named_mutex *mtx = grab_named_mutex(NULL,
+ "tdbsam_upgrade_mutex",
+ 600);
+
+ if (!mtx) {
+ DEBUG(0, ("tdbsam_open: failed to grab mutex.\n"));
TALLOC_FREE(db_sam);
return false;
}
- DEBUG(3, ("TDBSAM converted successfully.\n"));
+ /* Re-check the version */
+ version = dbwrap_fetch_int32(db_sam, TDBSAM_VERSION_STRING);
+ if (version == -1) {
+ version = 0; /* Version not found, assume version 0 */
+ }
+
+ /* Compare the version */
+ if (version > TDBSAM_VERSION) {
+ /* Version more recent than the latest known */
+ DEBUG(0, ("tdbsam_open: unknown version => %d\n", version));
+ TALLOC_FREE(db_sam);
+ TALLOC_FREE(mtx);
+ return false;
+ }
+
+ if ( version < TDBSAM_VERSION ) {
+ DEBUG(1, ("tdbsam_open: Converting version %d database to "
+ "version %d.\n", version, TDBSAM_VERSION));
+
+ if ( !tdbsam_convert(&db_sam, name, version) ) {
+ DEBUG(0, ("tdbsam_open: Error when trying to convert "
+ "tdbsam [%s]\n",name));
+ TALLOC_FREE(db_sam);
+ TALLOC_FREE(mtx);
+ return false;
+ }
+
+ DEBUG(3, ("TDBSAM converted successfully.\n"));
+ }
+ TALLOC_FREE(mtx);
}
DEBUG(4,("tdbsam_open: successfully opened %s\n", name ));
/* unpack the buffer */
- if (!init_sam_from_buffer(user, data.dptr, data.dsize)) {
+ if (!init_samu_from_buffer(user, SAMU_BUFFER_LATEST, data.dptr, data.dsize)) {
DEBUG(0,("pdb_getsampwent: Bad struct samu entry returned from TDB!\n"));
SAFE_FREE(data.dptr);
return NT_STATUS_NO_MEMORY;
/* open the database */
if ( !tdbsam_open( tdbsam_filename ) ) {
- DEBUG(0,("tdbsam_getsampwnam: failed to open %s!\n", tdbsam_filename));
+ DEBUG(0,("tdbsam_getsampwrid: failed to open %s!\n", tdbsam_filename));
return NT_STATUS_ACCESS_DENIED;
}
slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
/* it's outaa here! 8^) */
+ if ( !tdbsam_open( tdbsam_filename ) ) {
+ DEBUG(0,("tdb_delete_samacct_only: failed to open %s!\n",
+ tdbsam_filename));
+ return false;
+ }
status = dbwrap_delete_bystring(db_sam, keystr);
if (!NT_STATUS_IS_OK(status)) {
if (db_sam->transaction_commit(db_sam) != 0) {
DEBUG(0, ("Could not commit transaction\n"));
- goto cancel;
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
return NT_STATUS_OK;
/* copy the struct samu struct into a BYTE buffer for storage */
- if ( (data.dsize=init_buffer_from_sam (&buf, newpwd, False)) == -1 ) {
+ if ( (data.dsize=init_buffer_from_samu(&buf, newpwd, False)) == -1 ) {
DEBUG(0,("tdb_update_sam: ERROR - Unable to copy struct samu info BYTE buffer!\n"));
goto done;
}
if (db_sam->transaction_commit(db_sam) != 0) {
DEBUG(0, ("Could not commit transaction\n"));
- goto cancel;
+ return false;
}
return true;
* account back?
*/
DEBUG(0, ("transaction_commit failed\n"));
- goto cancel;
+ TALLOC_FREE(new_acct);
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
TALLOC_FREE(new_acct );
return False;
}
-/*
- * Historically, winbind was responsible for allocating RIDs, so the next RID
- * value was stored in winbindd_idmap.tdb. It has been moved to passdb now,
- * but for compatibility reasons we still keep the the next RID counter in
- * winbindd_idmap.tdb.
- */
-
-/*****************************************************************************
- Initialise idmap database. For now (Dec 2005) this is a copy of the code in
- sam/idmap_tdb.c. Maybe at a later stage we can remove that capability from
- winbind completely and store the RID counter in passdb.tdb.
-
- Dont' fully initialize with the HWM values, if it's new, we're only
- interested in the RID counter.
-*****************************************************************************/
-
-static bool init_idmap_tdb(TDB_CONTEXT *tdb)
-{
- int32 version;
-
- if (tdb_lock_bystring(tdb, "IDMAP_VERSION") != 0) {
- DEBUG(0, ("Could not lock IDMAP_VERSION\n"));
- return False;
- }
-
- version = tdb_fetch_int32(tdb, "IDMAP_VERSION");
-
- if (version == -1) {
- /* No key found, must be a new db */
- if (tdb_store_int32(tdb, "IDMAP_VERSION",
- IDMAP_VERSION) != 0) {
- DEBUG(0, ("Could not store IDMAP_VERSION\n"));
- tdb_unlock_bystring(tdb, "IDMAP_VERSION");
- return False;
- }
- version = IDMAP_VERSION;
- }
-
- if (version != IDMAP_VERSION) {
- DEBUG(0, ("Expected IDMAP_VERSION=%d, found %d. Please "
- "start winbind once\n", IDMAP_VERSION, version));
- tdb_unlock_bystring(tdb, "IDMAP_VERSION");
- return False;
- }
-
- tdb_unlock_bystring(tdb, "IDMAP_VERSION");
- return True;
-}
-
static bool tdbsam_new_rid(struct pdb_methods *methods, uint32 *prid)
{
- TDB_CONTEXT *tdb;
uint32 rid;
- bool ret = False;
- tdb = tdb_open_log(state_path("winbindd_idmap.tdb"), 0,
- TDB_DEFAULT, O_RDWR | O_CREAT, 0644);
-
- if (tdb == NULL) {
- DEBUG(1, ("Could not open idmap: %s\n", strerror(errno)));
- goto done;
- }
+ rid = BASE_RID; /* Default if not set */
- if (!init_idmap_tdb(tdb)) {
- DEBUG(1, ("Could not init idmap\n"));
- goto done;
+ if (!tdbsam_open(tdbsam_filename)) {
+ DEBUG(0,("tdbsam_new_rid: failed to open %s!\n",
+ tdbsam_filename));
+ return false;
}
- rid = BASE_RID; /* Default if not set */
-
- if (!tdb_change_uint32_atomic(tdb, "RID_COUNTER", &rid, 1)) {
- DEBUG(3, ("tdbsam_new_rid: Failed to increase RID_COUNTER\n"));
- goto done;
+ if (dbwrap_change_uint32_atomic(db_sam, NEXT_RID_STRING, &rid, 1) != 0) {
+ DEBUG(3, ("tdbsam_new_rid: Failed to increase %s\n",
+ NEXT_RID_STRING));
+ return false;
}
*prid = rid;
- ret = True;
- done:
- if ((tdb != NULL) && (tdb_close(tdb) != 0)) {
- smb_panic("tdb_close(idmap_tdb) failed");
- }
-
- return ret;
+ return true;
}
struct tdbsam_search_state {
entry->acct_flags = pdb_get_acct_ctrl(user);
entry->rid = rid;
- entry->account_name = talloc_strdup(
- search->mem_ctx, pdb_get_username(user));
- entry->fullname = talloc_strdup(
- search->mem_ctx, pdb_get_fullname(user));
- entry->description = talloc_strdup(
- search->mem_ctx, pdb_get_acct_desc(user));
+ entry->account_name = talloc_strdup(search, pdb_get_username(user));
+ entry->fullname = talloc_strdup(search, pdb_get_fullname(user));
+ entry->description = talloc_strdup(search, pdb_get_acct_desc(user));
TALLOC_FREE(user);
return false;
}
- state = TALLOC_ZERO_P(search->mem_ctx, struct tdbsam_search_state);
+ state = talloc_zero(search, struct tdbsam_search_state);
if (state == NULL) {
DEBUG(0, ("talloc failed\n"));
return false;
git.samba.org / ira / wip.git / blobdiff