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-rw-r--r--source3/passdb/passdb.c460
-rw-r--r--source3/passdb/pdb_tdb.c188
2 files changed, 620 insertions, 28 deletions
diff --git a/source3/passdb/passdb.c b/source3/passdb/passdb.c
index 1549fd0e66..603b4d71d2 100644
--- a/source3/passdb/passdb.c
+++ b/source3/passdb/passdb.c
@@ -1297,7 +1297,8 @@ BOOL local_sid_to_gid(gid_t *pgid, const DOM_SID *psid, enum SID_NAME_USE *name_
Marshall/unmarshall SAM_ACCOUNT structs.
*********************************************************************/
-#define TDB_FORMAT_STRING "ddddddBBBBBBBBBBBBddBBwdwdBwwd"
+#define TDB_FORMAT_STRING_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd"
+#define TDB_FORMAT_STRING_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd"
/**********************************************************************
Intialize a SAM_ACCOUNT struct from a BYTE buffer of size len
@@ -1305,6 +1306,21 @@ BOOL local_sid_to_gid(gid_t *pgid, const DOM_SID *psid, enum SID_NAME_USE *name_
BOOL init_sam_from_buffer(SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen)
{
+ return(init_sam_from_buffer_v1(sampass, buf, buflen));
+}
+
+/**********************************************************************
+ Intialize a BYTE buffer from a SAM_ACCOUNT struct
+ *********************************************************************/
+
+uint32 init_buffer_from_sam (uint8 **buf, const SAM_ACCOUNT *sampass, BOOL size_only)
+{
+ return(init_buffer_from_sam_v1(buf, sampass, size_only));
+}
+
+
+BOOL init_sam_from_buffer_v0(SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen)
+{
/* times are stored as 32bit integer
take care on system with 64bit wide time_t
@@ -1332,7 +1348,7 @@ BOOL init_sam_from_buffer(SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen)
fullname_len, homedir_len, logon_script_len,
profile_path_len, acct_desc_len, workstations_len;
- uint32 user_rid, group_rid, fields_present, hours_len, unknown_6;
+ uint32 user_rid, group_rid, remove_me, hours_len, unknown_6;
uint16 acct_ctrl, logon_divs;
uint16 bad_password_count, logon_count;
uint8 *hours;
@@ -1347,7 +1363,7 @@ BOOL init_sam_from_buffer(SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen)
}
/* unpack the buffer into variables */
- len = tdb_unpack ((char *)buf, buflen, TDB_FORMAT_STRING,
+ len = tdb_unpack ((char *)buf, buflen, TDB_FORMAT_STRING_V0,
&logon_time,
&logoff_time,
&kickoff_time,
@@ -1371,7 +1387,7 @@ BOOL init_sam_from_buffer(SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen)
&lm_pw_len, &lm_pw_ptr,
&nt_pw_len, &nt_pw_ptr,
&acct_ctrl,
- &fields_present,
+ &remove_me, /* remove on the next TDB_FORMAT upgarde */
&logon_divs,
&hours_len,
&hourslen, &hours,
@@ -1449,7 +1465,6 @@ BOOL init_sam_from_buffer(SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen)
pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
- pdb_set_fields_present(sampass, fields_present, 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);
@@ -1477,11 +1492,8 @@ done:
return ret;
}
-/**********************************************************************
- Intialize a BYTE buffer from a SAM_ACCOUNT struct
- *********************************************************************/
-uint32 init_buffer_from_sam (uint8 **buf, const SAM_ACCOUNT *sampass, BOOL size_only)
+uint32 init_buffer_from_sam_v0 (uint8 **buf, const SAM_ACCOUNT *sampass, BOOL size_only)
{
size_t len, buflen;
@@ -1632,7 +1644,7 @@ uint32 init_buffer_from_sam (uint8 **buf, const SAM_ACCOUNT *sampass, BOOL size_
munged_dial_len = 0;
/* one time to get the size needed */
- len = tdb_pack(NULL, 0, TDB_FORMAT_STRING,
+ len = tdb_pack(NULL, 0, TDB_FORMAT_STRING_V0,
logon_time,
logoff_time,
kickoff_time,
@@ -1656,7 +1668,7 @@ uint32 init_buffer_from_sam (uint8 **buf, const SAM_ACCOUNT *sampass, BOOL size_
lm_pw_len, lm_pw,
nt_pw_len, nt_pw,
pdb_get_acct_ctrl(sampass),
- pdb_get_fields_present(sampass),
+ 0, /* was: fileds_present, to be removed on format change */
pdb_get_logon_divs(sampass),
pdb_get_hours_len(sampass),
MAX_HOURS_LEN, pdb_get_hours(sampass),
@@ -1675,7 +1687,7 @@ uint32 init_buffer_from_sam (uint8 **buf, const SAM_ACCOUNT *sampass, BOOL size_
}
/* now for the real call to tdb_pack() */
- buflen = tdb_pack((char *)*buf, len, TDB_FORMAT_STRING,
+ buflen = tdb_pack((char *)*buf, len, TDB_FORMAT_STRING_V0,
logon_time,
logoff_time,
kickoff_time,
@@ -1699,7 +1711,427 @@ uint32 init_buffer_from_sam (uint8 **buf, const SAM_ACCOUNT *sampass, BOOL size_
lm_pw_len, lm_pw,
nt_pw_len, nt_pw,
pdb_get_acct_ctrl(sampass),
- pdb_get_fields_present(sampass),
+ 0, /* was: fileds_present, to be removed on format change */
+ 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));
+
+
+ /* check to make sure we got it correct */
+ if (buflen != len) {
+ DEBUG(0, ("init_buffer_from_sam: somthing odd is going on here: bufflen (%lu) != len (%lu) in tdb_pack operations!\n",
+ (unsigned long)buflen, (unsigned long)len));
+ /* error */
+ SAFE_FREE (*buf);
+ return (-1);
+ }
+
+ return (buflen);
+}
+
+
+BOOL init_sam_from_buffer_v1(SAM_ACCOUNT *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;
+ 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;
+ static 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: NULL parameters found!\n"));
+ return False;
+ }
+
+ /* unpack the buffer into variables */
+ 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 == -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_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(hours);
+
+ return ret;
+}
+
+
+uint32 init_buffer_from_sam_v1 (uint8 **buf, const SAM_ACCOUNT *sampass, BOOL size_only)
+{
+ size_t len, buflen;
+
+ /* times are stored as 32bit integer
+ take care on system with 64bit wide time_t
+ --SSS */
+ uint32 logon_time,
+ logoff_time,
+ kickoff_time,
+ bad_password_time,
+ pass_last_set_time,
+ pass_can_change_time,
+ pass_must_change_time;
+
+ uint32 user_rid, group_rid;
+
+ const char *username;
+ const char *domain;
+ const char *nt_username;
+ const char *dir_drive;
+ const char *unknown_str;
+ const char *munged_dial;
+ const char *fullname;
+ const char *homedir;
+ const char *logon_script;
+ const char *profile_path;
+ const char *acct_desc;
+ const char *workstations;
+ uint32 username_len, domain_len, nt_username_len,
+ dir_drive_len, unknown_str_len, munged_dial_len,
+ fullname_len, homedir_len, logon_script_len,
+ profile_path_len, acct_desc_len, workstations_len;
+
+ const uint8 *lm_pw;
+ const uint8 *nt_pw;
+ uint32 lm_pw_len = 16;
+ uint32 nt_pw_len = 16;
+
+ /* do we have a valid SAM_ACCOUNT pointer? */
+ 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)0;
+ 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;
+
+ /*
+ * Only updates fields which have been set (not defaults from smb.conf)
+ */
+
+ if (!IS_SAM_DEFAULT(sampass, PDB_DRIVE))
+ dir_drive = pdb_get_dir_drive(sampass);
+ else
+ dir_drive = NULL;
+ if (dir_drive)
+ dir_drive_len = strlen(dir_drive) +1;
+ else
+ dir_drive_len = 0;
+
+ if (!IS_SAM_DEFAULT(sampass, PDB_SMBHOME))
+ homedir = pdb_get_homedir(sampass);
+ else
+ homedir = NULL;
+ if (homedir)
+ homedir_len = strlen(homedir) +1;
+ else
+ homedir_len = 0;
+
+ if (!IS_SAM_DEFAULT(sampass, PDB_LOGONSCRIPT))
+ logon_script = pdb_get_logon_script(sampass);
+ else
+ logon_script = NULL;
+ if (logon_script)
+ logon_script_len = strlen(logon_script) +1;
+ else
+ logon_script_len = 0;
+
+ if (!IS_SAM_DEFAULT(sampass, PDB_PROFILE))
+ profile_path = pdb_get_profile_path(sampass);
+ else
+ profile_path = NULL;
+ if (profile_path)
+ profile_path_len = strlen(profile_path) +1;
+ else
+ profile_path_len = 0;
+
+ lm_pw = pdb_get_lanman_passwd(sampass);
+ if (!lm_pw)
+ lm_pw_len = 0;
+
+ nt_pw = pdb_get_nt_passwd(sampass);
+ if (!nt_pw)
+ nt_pw_len = 0;
+
+ 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;
+
+ /* one time to get the size needed */
+ len = tdb_pack(NULL, 0, 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,
+ nt_pw_len, nt_pw,
+ pdb_get_acct_ctrl(sampass),
+ 0,
+ 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;
+
+ /* malloc the space needed */
+ if ( (*buf=(uint8*)malloc(len)) == NULL) {
+ DEBUG(0,("init_buffer_from_sam: Unable to malloc() memory for buffer!\n"));
+ return (-1);
+ }
+
+ /* now for the real call to tdb_pack() */
+ buflen = tdb_pack((char *)*buf, len, 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,
+ nt_pw_len, nt_pw,
+ pdb_get_acct_ctrl(sampass),
+ 0,
pdb_get_logon_divs(sampass),
pdb_get_hours_len(sampass),
MAX_HOURS_LEN, pdb_get_hours(sampass),
@@ -1765,5 +2197,3 @@ BOOL get_free_rid_range(uint32 *low, uint32 *high)
return True;
}
-
-
diff --git a/source3/passdb/pdb_tdb.c b/source3/passdb/pdb_tdb.c
index 554d330ce0..9bfb10c400 100644
--- a/source3/passdb/pdb_tdb.c
+++ b/source3/passdb/pdb_tdb.c
@@ -37,13 +37,15 @@ static int tdbsam_debug_level = DBGC_ALL;
#endif
-#define PDB_VERSION "20010830"
+#define TDBSAM_VERSION 1 /* Most recent TDBSAM version */
+#define TDBSAM_VERSION_STRING "INFO/version"
#define PASSDB_FILE_NAME "passdb.tdb"
#define USERPREFIX "USER_"
#define RIDPREFIX "RID_"
+#define tdbsamver_t int32
struct tdbsam_privates {
- TDB_CONTEXT *passwd_tdb;
+ TDB_CONTEXT *passwd_tdb;
/* retrive-once info */
const char *tdbsam_location;
@@ -55,24 +57,183 @@ struct pwent_list {
};
static struct pwent_list *tdbsam_pwent_list;
-/*****************************************************************************
- Utility functions to open the tdb sam database
- ****************************************************************************/
-static TDB_CONTEXT * tdbsam_tdbopen (const char *name, int open_flags)
+/**
+ * Convert old TDBSAM to the latest version.
+ * @param pdb_tdb A pointer to the opened TDBSAM file which must be converted.
+ * This file must be opened with read/write access.
+ * @param from Current version of the TDBSAM file.
+ * @return True if the conversion has been successful, false otherwise.
+ **/
+
+static BOOL tdbsam_convert(TDB_CONTEXT *pdb_tdb, tdbsamver_t from)
{
- TDB_CONTEXT *tdb;
+ const char * vstring = TDBSAM_VERSION_STRING;
+ SAM_ACCOUNT *user = NULL;
+ const char *prefix = USERPREFIX;
+ TDB_DATA data, key, old_key;
+ uint8 *buf = NULL;
+ BOOL ret;
+
+ if (pdb_tdb == NULL) {
+ DEBUG(0,("tdbsam_convert: Bad TDB Context pointer.\n"));
+ return False;
+ }
+
+ /* handle a Samba upgrade */
+ tdb_lock_bystring(pdb_tdb, vstring, 0);
+
+ if (!NT_STATUS_IS_OK(pdb_init_sam(&user))) {
+ DEBUG(0,("tdbsam_convert: cannot initialized a SAM_ACCOUNT.\n"));
+ return False;
+ }
+
+ /* Enumerate all records and convert them */
+ key = tdb_firstkey(pdb_tdb);
+
+ while (key.dptr) {
+
+ /* skip all non-USER entries (eg. RIDs) */
+ while ((key.dsize != 0) && (strncmp(key.dptr, prefix, strlen (prefix)))) {
+ old_key = key;
+ /* increment to next in line */
+ key = tdb_nextkey(pdb_tdb, key);
+ SAFE_FREE(old_key.dptr);
+ }
+
+ if (key.dptr) {
+
+ /* read from tdbsam */
+ data = tdb_fetch(pdb_tdb, key);
+ if (!data.dptr) {
+ DEBUG(0,("tdbsam_convert: database entry not found: %s.\n",key.dptr));
+ return False;
+ }
+
+ if (!NT_STATUS_IS_OK(pdb_reset_sam(user))) {
+ DEBUG(0,("tdbsam_convert: cannot reset SAM_ACCOUNT.\n"));
+ SAFE_FREE(data.dptr);
+ return False;
+ }
+
+ /* unpack the buffer from the former format */
+ DEBUG(10,("tdbsam_convert: Try unpacking a record with (key:%s) (version:%d)\n", key.dptr, from));
+ switch (from) {
+ case 0:
+ ret = init_sam_from_buffer_v0(user, (uint8 *)data.dptr, data.dsize);
+ break;
+ case 1:
+ ret = init_sam_from_buffer_v1(user, (uint8 *)data.dptr, data.dsize);
+ break;
+ default:
+ /* unknown tdbsam version */
+ ret = False;
+ }
+ if (!ret) {
+ DEBUG(0,("tdbsam_convert: Bad SAM_ACCOUNT entry returned from TDB (key:%s) (version:%d)\n", key.dptr, from));
+ SAFE_FREE(data.dptr);
+ return False;
+ }
+
+ /* pack from the buffer into the new format */
+ DEBUG(10,("tdbsam_convert: Try packing a record (key:%s) (version:%d)\n", key.dptr, from));
+ if ((data.dsize=init_buffer_from_sam (&buf, user, False)) == -1) {
+ DEBUG(0,("tdbsam_convert: cannot pack the SAM_ACCOUNT into the new format\n"));
+ SAFE_FREE(data.dptr);
+ return False;
+ }
+ data.dptr = (char *)buf;
+
+ /* Store the buffer inside the TDBSAM */
+ if (tdb_store(pdb_tdb, key, data, TDB_MODIFY) != TDB_SUCCESS) {
+ DEBUG(0,("tdbsam_convert: cannot store the SAM_ACCOUNT (key:%s) in new format\n",key.dptr));
+ SAFE_FREE(data.dptr);
+ return False;
+ }
+
+ SAFE_FREE(data.dptr);
+
+ /* increment to next in line */
+ old_key = key;
+ key = tdb_nextkey(pdb_tdb, key);
+ SAFE_FREE(old_key.dptr);
+ }
- if ( !(tdb = tdb_open_log(name, 0, TDB_DEFAULT, open_flags, 0600)) ) {
+ }
+
+ pdb_free_sam(&user);
+
+ /* upgrade finished */
+ tdb_store_int32(pdb_tdb, vstring, TDBSAM_VERSION);
+ tdb_unlock_bystring(pdb_tdb, vstring);
+
+ return(True);
+}
+
+/**
+ * Open the TDB passwd database, check version and convert it if needed.
+ * @param name filename of the tdbsam file.
+ * @param open_flags file access mode.
+ * @return a TDB_CONTEXT handle on the tdbsam file.
+ **/
+
+static TDB_CONTEXT * tdbsam_tdbopen (const char *name, int open_flags)
+{
+ TDB_CONTEXT *pdb_tdb;
+ tdbsamver_t version;
+
+ /* Try to open tdb passwd */
+ if (!(pdb_tdb = tdb_open_log(name, 0, TDB_DEFAULT,
+ open_flags, 0600))) {
DEBUG(0, ("Unable to open/create TDB passwd\n"));
return NULL;
}
- return tdb;
+ /* Check the version */
+ version = (tdbsamver_t) tdb_fetch_int32(pdb_tdb,
+ 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 version unknown: %d\n", version));
+ tdb_close(pdb_tdb);
+ pdb_tdb = NULL;
+ }
+ else if (version < TDBSAM_VERSION) {
+ /* Older version, must be converted */
+ DEBUG(1, ("TDBSAM version too old (%d), trying to convert it.\n", version));
+
+ /* Reopen the pdb file with read-write access if needed */
+ if (!(open_flags & O_RDWR)) {
+ DEBUG(10, ("tdbsam_tdbopen: TDB file opened with read only access, reopen it with read-write access.\n"));
+ tdb_close(pdb_tdb);
+ pdb_tdb = tdb_open_log(name, 0, TDB_DEFAULT, (open_flags & 07777770) | O_RDWR, 0600);
+ }
+
+ /* Convert */
+ if (!tdbsam_convert(pdb_tdb, version)){
+ DEBUG(0, ("tdbsam_tdbopen: Error when trying to convert tdbsam: %s\n",name));
+ tdb_close(pdb_tdb);
+ pdb_tdb = NULL;
+ } else {
+ DEBUG(1, ("TDBSAM converted successfully.\n"));
+ }
+
+ /* Reopen the pdb file as it must be */
+ if (!(open_flags & O_RDWR)) {
+ tdb_close(pdb_tdb);
+ pdb_tdb = tdb_open_log(name, 0, TDB_DEFAULT, open_flags, 0600);
+ }
+ }
+
+ return pdb_tdb;
}
/*****************************************************************************
- Utility functions to open the tdb sam database
+ Utility functions to close the tdb sam database
****************************************************************************/
static void tdbsam_tdbclose ( struct tdbsam_privates *state )
@@ -233,7 +394,7 @@ static NTSTATUS tdbsam_getsampwnam (struct pdb_methods *my_methods, SAM_ACCOUNT
DEBUG(0,("pdb_getsampwnam: SAM_ACCOUNT is NULL.\n"));
return nt_status;
}
-
+
/* Data is stored in all lower-case */
fstrcpy(name, sname);
strlower_m(name);
@@ -316,20 +477,21 @@ static NTSTATUS tdbsam_getsampwrid (struct pdb_methods *my_methods, SAM_ACCOUNT
key.dsize = strlen (keystr) + 1;
/* open the accounts TDB */
- if ( !(pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDONLY)) ) {
+ if (!(pwd_tdb = tdbsam_tdbopen(tdb_state->tdbsam_location, O_RDONLY))) {
DEBUG(0, ("pdb_getsampwrid: Unable to open TDB rid database!\n"));
return nt_status;
}
/* get the record */
data = tdb_fetch (pwd_tdb, key);
- if ( !data.dptr ) {
+ if (!data.dptr) {
DEBUG(5,("pdb_getsampwrid (TDB): error looking up RID %d by key %s.\n", rid, keystr));
DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb)));
tdb_close (pwd_tdb);
return nt_status;
}
+
fstrcpy(name, data.dptr);
SAFE_FREE(data.dptr);
generated by cgit (git 2.34.1) at 2024-10-31 00:06:53 +0000