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-rw-r--r--source3/include/idmap_autorid_tdb.h11
-rw-r--r--source3/winbindd/idmap_autorid_tdb.c119
2 files changed, 130 insertions, 0 deletions
diff --git a/source3/include/idmap_autorid_tdb.h b/source3/include/idmap_autorid_tdb.h
index 88f15f2d1e..bf18483763 100644
--- a/source3/include/idmap_autorid_tdb.h
+++ b/source3/include/idmap_autorid_tdb.h
@@ -82,6 +82,17 @@ NTSTATUS idmap_autorid_setrange(struct db_context *db,
uint32_t rangenum);
/**
+ * Delete a domain#index <-> range maping from the database.
+ * The mapping is specified by the sid and index.
+ * If force == true, invalid mapping records are deleted as far
+ * as possible, otherwise they are left untouched.
+ */
+NTSTATUS idmap_autorid_delete_range_by_sid(struct db_context *db,
+ const char *domsid,
+ uint32_t domain_range_index,
+ bool force);
+
+/**
* Initialize a specified HWM value to 0 if it is not
* yet present in the database.
*/
diff --git a/source3/winbindd/idmap_autorid_tdb.c b/source3/winbindd/idmap_autorid_tdb.c
index 5fecb9fad3..18026fb900 100644
--- a/source3/winbindd/idmap_autorid_tdb.c
+++ b/source3/winbindd/idmap_autorid_tdb.c
@@ -407,6 +407,125 @@ NTSTATUS idmap_autorid_init_hwm(struct db_context *db, const char *hwm)
}
/*
+ * Delete a domain#index <-> range mapping from the database.
+ * The mapping is specified by the sid and index.
+ * If force == true, invalid mapping records are deleted as far
+ * as possible, otherwise they are left untouched.
+ */
+
+struct idmap_autorid_delete_range_by_sid_ctx {
+ const char *domsid;
+ uint32_t domain_range_index;
+ bool force;
+};
+
+static NTSTATUS idmap_autorid_delete_range_by_sid_action(struct db_context *db,
+ void *private_data)
+{
+ struct idmap_autorid_delete_range_by_sid_ctx *ctx =
+ (struct idmap_autorid_delete_range_by_sid_ctx *)private_data;
+ const char *domsid;
+ uint32_t domain_range_index;
+ uint32_t rangenum;
+ char *keystr;
+ char *range_keystr;
+ TDB_DATA data;
+ NTSTATUS status;
+ TALLOC_CTX *frame = talloc_stackframe();
+ bool is_valid_range_mapping = true;
+ bool force;
+
+ domsid = ctx->domsid;
+ domain_range_index = ctx->domain_range_index;
+ force = ctx->force;
+
+ keystr = idmap_autorid_build_keystr_talloc(frame, domsid,
+ domain_range_index);
+ if (keystr == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ status = dbwrap_fetch_uint32_bystring(db, keystr, &rangenum);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ range_keystr = talloc_asprintf(frame, "%"PRIu32, rangenum);
+ if (range_keystr == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ status = dbwrap_fetch_bystring(db, frame, range_keystr, &data);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_FOUND)) {
+ DEBUG(1, ("Incomplete mapping %s -> %s: no backward mapping\n",
+ keystr, range_keystr));
+ is_valid_range_mapping = false;
+ } else if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("Error fetching reverse mapping for %s -> %s: %s\n",
+ keystr, range_keystr, nt_errstr(status)));
+ goto done;
+ } else if (strncmp((const char *)data.dptr, keystr, strlen(keystr))
+ != 0)
+ {
+ DEBUG(1, ("Invalid mapping: %s -> %s -> %s\n",
+ keystr, range_keystr, (const char *)data.dptr));
+ is_valid_range_mapping = false;
+ }
+
+ if (!is_valid_range_mapping && !force) {
+ DEBUG(10, ("Not deleting invalid mapping, since not in force "
+ "mode.\n"));
+ status = NT_STATUS_FILE_INVALID;
+ goto done;
+ }
+
+ status = dbwrap_delete_bystring(db, keystr);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("Deletion of '%s' failed: %s\n",
+ keystr, nt_errstr(status)));
+ goto done;
+ }
+
+ if (!is_valid_range_mapping) {
+ goto done;
+ }
+
+ status = dbwrap_delete_bystring(db, range_keystr);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("Deletion of '%s' failed: %s\n",
+ range_keystr, nt_errstr(status)));
+ goto done;
+ }
+
+ DEBUG(10, ("Deleted range mapping %s <--> %s\n", keystr,
+ range_keystr));
+
+done:
+ TALLOC_FREE(frame);
+ return status;
+}
+
+NTSTATUS idmap_autorid_delete_range_by_sid(struct db_context *db,
+ const char *domsid,
+ uint32_t domain_range_index,
+ bool force)
+{
+ NTSTATUS status;
+ struct idmap_autorid_delete_range_by_sid_ctx ctx;
+
+ ctx.domain_range_index = domain_range_index;
+ ctx.domsid = domsid;
+ ctx.force = force;
+
+ status = dbwrap_trans_do(db, idmap_autorid_delete_range_by_sid_action,
+ &ctx);
+ return status;
+}
+
+
+/*
* open and initialize the database which stores the ranges for the domains
*/
NTSTATUS idmap_autorid_db_init(const char *path,