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authorSimo Sorce <idra@samba.org>2003-04-28 23:36:54 +0000
committerSimo Sorce <idra@samba.org>2003-04-28 23:36:54 +0000
commit8d4942e2df1dde694f02df15a418c672441714b4 (patch)
treef8b7023f4c7e80abc55c806e30b1ff2b4bf3f062 /source3
parent512c11c445ecd3df30f6a9b93c838cc6bf28126f (diff)
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new helper functions to create users
(This used to be commit 74826e7ebb62ab09df68bb00fbd6097852ec5b6d)
Diffstat (limited to 'source3')
-rw-r--r--source3/passdb/passdb.c155
1 files changed, 154 insertions, 1 deletions
diff --git a/source3/passdb/passdb.c b/source3/passdb/passdb.c
index b868d27065..99f5c228ef 100644
--- a/source3/passdb/passdb.c
+++ b/source3/passdb/passdb.c
@@ -368,6 +368,159 @@ NTSTATUS pdb_free_sam(SAM_ACCOUNT **user)
return NT_STATUS_OK;
}
+/**************************************************************************
+ * This function will take care of all the steps needed to correctly
+ * allocate and set the user SID, please do use this function to create new
+ * users and don't add the account to the passdb directly unless you know
+ * what are you doing, messing with SIDs is not good.
+ *
+ * account_data must be provided initialized. But values may be discarded if
+ * free RIDs are not in use.
+ *
+ * ATTENTION: Please pay attention to leave any ID field to NULL unless you
+ * really know what you are doing
+ *
+ * SSS
+ ***************************************************************************/
+
+NTSTATUS pdb_create_new_user_account(char *username, SAM_ACCOUNT *account_data)
+{
+ NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
+ SAM_ACCOUNT test;
+ DOM_SID u_sid, g_sid;
+ struct passwd *pw;
+
+ if (!username || !account_data) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (pdb_getsampwnam(&test, username)) {
+ DEBUG(3, ("pdb_create_new_user_account: User already exist in SAM! Aborting...\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ pw = getpwnam_alloc(username);
+
+ if (pdb_get_free_rid_base()) {
+ unid_t idval;
+ int idtype;
+
+ if (!pdb_set_username(account_data, username, PDB_CHANGED)) {
+ goto done;
+ }
+
+ if (lp_idmap_only() || !pw) {
+ if (pdb_get_init_flags(account_data, PDB_USERSID) == PDB_DEFAULT) {
+ if (!pdb_get_next_sid(&u_sid)) {
+ goto done;
+ }
+ pdb_set_user_sid(account_data, &u_sid, PDB_SET);
+ }
+ /* make a mapping in idmap */
+ idtype = ID_USERID;
+ idmap_get_id_from_sid(&idval, &idtype, &u_sid);
+
+ if (pdb_get_init_flags(account_data, PDB_GROUPSID) == PDB_DEFAULT) {
+ /* set Domain Users by default ! */
+ sid_copy(&g_sid, get_global_sam_sid());
+ sid_append_rid(&u_sid, DOMAIN_GROUP_RID_USERS);
+ pdb_set_group_sid(account_data, &g_sid, PDB_SET);
+ }
+ /* make a mapping in idmap */
+ idtype = ID_GROUPID;
+ idmap_get_id_from_sid(&idval, &idtype, &g_sid);
+ } else {
+ GROUP_MAP map;
+
+ if (!pdb_set_user_sid_from_rid(account_data, fallback_pdb_uid_to_user_rid(pw->pw_uid), PDB_SET)) {
+ DEBUG(0,("Can't set User SID from RID!\n"));
+ ret = NT_STATUS_INVALID_PARAMETER;
+ goto done;
+ }
+
+ /* call the mapping code here */
+ if(pdb_getgrgid(&map, pw->pw_gid, MAPPING_WITHOUT_PRIV)) {
+ if (!pdb_set_group_sid(account_data, &map.sid, PDB_SET)){
+ DEBUG(0,("Can't set Group SID!\n"));
+ ret = NT_STATUS_INVALID_PARAMETER;
+ goto done;
+ }
+ }
+ else {
+ if (!pdb_set_group_sid_from_rid(account_data, pdb_gid_to_group_rid(pw->pw_gid), PDB_SET)) {
+ DEBUG(0,("Can't set Group SID\n"));
+ ret = NT_STATUS_INVALID_PARAMETER;
+ goto done;
+ }
+ }
+ }
+ } else {
+ if (!pw || NT_STATUS_IS_ERR(pdb_fill_sam_pw(account_data, pw))) {
+ goto done;
+ }
+ }
+
+ if (pdb_add_sam_account(account_data)) {
+ ret = NT_STATUS_OK;
+ }
+
+done:
+ passwd_free(&pw);
+ return ret;
+}
+
+/******************************************************************
+ * Get the free RID base if idmap is configured, otherwise return 0
+ ******************************************************************/
+
+uint32 pdb_get_free_rid_base(void)
+{
+ uint32 low, high;
+ if (pdb_get_free_rid_range(&low, &high)) {
+ return low;
+ }
+ return 0;
+}
+
+/******************************************************************
+ * Get the the non-algorithmic RID range if idmap range are defined
+ ******************************************************************/
+
+BOOL pdb_get_free_rid_range(uint32 *low, uint32 *high)
+{
+ uid_t u_low, u_high;
+ gid_t g_low, g_high;
+ uint32 id_low, id_high;
+
+ if (lp_idmap_only()) {
+ *low = BASE_RID;
+ *high = -1;
+ }
+
+ if (lp_idmap_uid(&u_low, &u_high) && lp_idmap_gid(&g_low, &g_high)) {
+ if (u_low < g_low) {
+ id_low = u_low;
+ } else {
+ id_low = g_low;
+ }
+ if (u_high > g_high) {
+ id_high = u_high;
+ } else {
+ id_high = g_high;
+ }
+
+ *low = fallback_pdb_uid_to_user_rid(id_low);
+ if (fallback_pdb_user_rid_to_uid(-1) < id_high) {
+ *high = -1;
+ } else {
+ *high = fallback_pdb_uid_to_user_rid(id_high);
+ }
+
+ return True;
+ }
+
+ return False;
+}
/**********************************************************
Encode the account control bits into a string.
@@ -527,7 +680,7 @@ static int algorithmic_rid_base(void)
uid_t fallback_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);
+ return (uid_t)(((user_rid & (~USER_RID_TYPE)) - rid_offset)/RID_MULTIPLIER);
}