1 files changed, 90 insertions, 0 deletions

diff --git a/src/udb.c b/src/udb.c
new file mode 100644
index 0000000..aad5982
--- /dev/null
+++ b/src/udb.c
@@ -0,0 +1,90 @@
+/* This file is part of tagr.
+   Copyright (C) 2009 Sergey Poznyakoff
+
+   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, 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/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <wordsplit.h>
+#include <tagr.h>
+
+char *tagr_udb_name = SYSCONFDIR "/tagr.udb";
+
+int
+udb_get_password (const char *username, char **password)
+{
+  FILE *fp;
+  size_t bufsize = 0;
+  char *buf = NULL;
+  unsigned line = 0;
+  int rc = 1;
+  
+  fp = fopen (tagr_udb_name, "r");
+  if (!fp)
+    {
+      logmsg (L_ERR, _("cannot open file %s: %s"),
+              tagr_udb_name, strerror (errno));
+      return -1;
+    }
+
+  while (rc == 1 && getline (&buf, &bufsize, fp) > 0)
+    {
+      struct wordsplit ws;
+      
+      line++;
+      trim_crlf (buf);
+      if (wordsplit (buf, &ws, WRDSF_DEFFLAGS))
+        {
+          logmsg (L_ERR, _("%s:%u: failed to parse input line"),
+                  tagr_udb_name, line);
+        }
+      if (ws.ws_wordc == 0 || ws.ws_wordv[0][0] == '#')
+        /* next */;
+      else if (ws.ws_wordc < 2)
+        {
+          logmsg (L_WARNING, _("%s:%u: too few words on line"),
+                  tagr_udb_name, line);
+        }
+      else if (ws.ws_wordc > 2)
+        {
+          logmsg (L_WARNING, _("%s:%u: too many words on line"),
+                  tagr_udb_name, line);
+        }
+      else if (strcmp (ws.ws_wordv[0], username) == 0)
+        {
+          *password = xstrdup (ws.ws_wordv[1]);
+          rc = 0;
+        }
+      wordsplit_free (&ws);
+    }
+        
+  free (buf);
+  fclose (fp);
+  return rc;
+}
+
+void
+udb_free_password (char *pass)
+{
+  char *p;
+  for (p = pass; *p; p++)
+    *p = 0;
+  free (pass);
+}