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Diffstat (limited to 'source3/winbindd/idmap_hash/mapfile.c')
-rw-r--r--source3/winbindd/idmap_hash/mapfile.c175
1 files changed, 175 insertions, 0 deletions
diff --git a/source3/winbindd/idmap_hash/mapfile.c b/source3/winbindd/idmap_hash/mapfile.c
new file mode 100644
index 0000000000..5ab1142ffe
--- /dev/null
+++ b/source3/winbindd/idmap_hash/mapfile.c
@@ -0,0 +1,175 @@
+/*
+ * mapfile.c
+ *
+ * Copyright (C) Gerald Carter <jerry@samba.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "includes.h"
+#include "winbindd/winbindd.h"
+#include "idmap_hash.h"
+#include <stdio.h>
+
+XFILE *lw_map_file = NULL;
+
+/*********************************************************************
+ ********************************************************************/
+
+static bool mapfile_open(void)
+{
+ const char *mapfile_name = NULL;
+
+ /* If we have an open handle, just reset it */
+
+ if (lw_map_file) {
+ return (x_tseek(lw_map_file, 0, SEEK_SET) == 0);
+ }
+
+ mapfile_name = lp_parm_const_string(-1, "idmap_hash", "name_map", NULL);
+ if (!mapfile_name) {
+ return false;
+ }
+
+ lw_map_file = x_fopen(mapfile_name, O_RDONLY, 0);
+ if (!lw_map_file) {
+ DEBUG(0,("can't open idmap_hash:name_map (%s). Error %s\n",
+ mapfile_name, strerror(errno) ));
+ return false;
+ }
+
+ return true;
+}
+
+/*********************************************************************
+ ********************************************************************/
+
+static bool mapfile_read_line(fstring key, fstring value)
+{
+ char buffer[1024];
+ char *p;
+ int len;
+
+ if (!lw_map_file)
+ return false;
+
+ if ((p = x_fgets(buffer, sizeof(buffer)-1, lw_map_file)) == NULL) {
+ return false;
+ }
+
+ /* Strip newlines and carriage returns */
+
+ len = strlen_m(buffer) - 1;
+ while ((buffer[len] == '\n') || (buffer[len] == '\r')) {
+ buffer[len--] = '\0';
+ }
+
+
+ if ((p = strchr_m(buffer, '=')) == NULL ) {
+ DEBUG(0,("idmap_hash: Bad line in name_map (%s)\n", buffer));
+ return false;
+ }
+
+ *p = '\0';
+ p++;
+
+ fstrcpy(key, buffer);
+ fstrcpy(value, p);
+
+ /* Eat whitespace */
+
+ if (!trim_char(key, ' ', ' '))
+ return false;
+
+ if (!trim_char(value, ' ', ' '))
+ return false;
+
+ return true;
+}
+
+/*********************************************************************
+ ********************************************************************/
+
+static bool mapfile_close(void)
+{
+ int ret = 0;
+ if (lw_map_file) {
+ ret = x_fclose(lw_map_file);
+ lw_map_file = NULL;
+ }
+
+ return (ret == 0);
+}
+
+
+/*********************************************************************
+ ********************************************************************/
+
+NTSTATUS mapfile_lookup_key(TALLOC_CTX *ctx, const char *value, char **key)
+{
+ fstring r_key, r_value;
+ NTSTATUS ret = NT_STATUS_NOT_FOUND;
+
+ if (!mapfile_open())
+ return NT_STATUS_OBJECT_PATH_NOT_FOUND;
+
+ while (mapfile_read_line(r_key, r_value))
+ {
+ if (strequal(r_value, value)) {
+ ret = NT_STATUS_OK;
+
+ /* We're done once finishing this block */
+ *key = talloc_strdup(ctx, r_key);
+ if (!*key) {
+ ret = NT_STATUS_NO_MEMORY;
+ }
+ break;
+ }
+ }
+
+ mapfile_close();
+
+ return ret;
+}
+
+/*********************************************************************
+ ********************************************************************/
+
+NTSTATUS mapfile_lookup_value(TALLOC_CTX *ctx, const char *key, char **value)
+{
+ fstring r_key, r_value;
+ NTSTATUS ret = NT_STATUS_NOT_FOUND;
+
+ if (!mapfile_open())
+ return NT_STATUS_OBJECT_PATH_NOT_FOUND;
+
+ while (mapfile_read_line(r_key, r_value))
+ {
+ if (strequal(r_key, key)) {
+ ret = NT_STATUS_OK;
+
+ /* We're done once finishing this block */
+ *value = talloc_strdup(ctx, r_value);
+ if (!*key) {
+ ret = NT_STATUS_NO_MEMORY;
+ }
+ break;
+ }
+ }
+
+ mapfile_close();
+
+ return ret;
+}