1 files changed, 152 insertions, 0 deletions
diff --git a/src/lockfile.c b/src/lockfile.c
index 4f94c57..9dd2925 100644
--- a/src/lockfile.c
+++ b/src/lockfile.c
@@ -10,8 +10,160 @@ static char rcsid[] = "$Id$";
 
 /*
  * $Log$
+ * Revision 1.2  2008/02/15 16:48:56  james
+ * *** empty log message ***
+ *
  * Revision 1.1  2008/02/15 15:09:17  james
  * *** empty log message ***
  *
  */
 
+#define LOCK_ASCII
+#undef LOCK_BINARY
+
+
+Filelist *filelist_new(void)
+{
+
+
+
+}
+
+
+static int
+chown_uucp (fd)
+     int fd;
+{
+  static int uuid = -1, ugid;
+  struct passwd *pw;
+
+  if (uuid < 0)
+    {
+      if (pw = getpwnam ("uucp"))
+        {
+          uuid = pw->pw_uid;
+          ugid = pw->pw_gid;
+        }
+      else
+        {
+          return -1;
+        }
+    }
+  return fchown (fd, uuid, ugid);
+}
+
+int
+lockfile_make
+{
+  char buf[1024], tmpfn[1024];
+  char *ptr;
+  int fd;
+  int i;
+
+  strcpy (tmpfn, name);
+
+  ptr = rindex (tmpfn, '/');
+  if (!ptr)
+    return -1;
+
+  ptr++;
+
+  ptr += sprintf (ptr, "LTMP.%d", getpid ());
+  *ptr = 0;
+
+  i = sprintf (buf, "%10d\n", getpid ());
+
+  fd = open (tmpfn, O_WRONLY | O_CREAT | O_TRUNC, 0444);
+  if (fd < 0)
+    {
+      unlink (tmpfn);
+      return -1;
+    }
+
+  write (fd, buf, i);
+  fchmod (fd, 044);
+  if (chown_uucp (fd))
+    {
+      close (fd);
+      unlink (tmpfn);
+      return -1;
+    }
+
+  close (fd);
+
+  if (link (tmpfn, name) < 0)
+    {
+      unlink (tmpfn);
+      return -1;
+    }
+
+  unlink (tmpfn);
+  return 0;
+}
+
+
+
+void
+lockfile_add_name_from_path (File_list *fl,char *ptr)
+{
+  printf ("lock by file %s\n", ptr);
+}
+
+void
+lockfile_add_name_from_dev (File_list *fl,dev_t dev)
+{
+  printf ("lock by dev %x\n", dev);
+}
+
+void lockfile_check_dir_for_dev(File_list *fl,char *dir,dev_t dev)
+{
+  char buf[1024];
+  struct stat ent_stat;
+  struct dirent *de;
+  DIR *d;
+
+  for (d = opendir (DEV); (de = readdir (d));)
+    {
+      strcpy (buf, DEV);
+      strcat (buf, de->d_name);
+
+      if (stat (buf, &ent_stat))
+        continue;
+      if (!S_ISCHR (ent_stat.st_mode))
+        continue;
+      if (ent_stat.st_rdev != dev)
+        continue;
+
+      lockfile_add_name_from_path (fl,buf);
+
+    }
+  closedir (d);
+}
+
+File_list *
+construct_possible_lock_files (char *device)
+{
+  struct stat dev_stat;
+  File_list *ret=NULL;
+
+
+  if (stat (device, &dev_stat))
+    return ret;
+  if (!S_ISCHR (dev_stat.st_mode))
+    return ret;
+
+  ret=filelist_new();
+
+  lockfile_add_name_from_dev (ret,dev_stat.st_rdev);
+
+  lockfile_add_name_from_path (ret,device);
+
+  lockfile_check_dir_for_dev(ret,"/dev/",dev_stat.st_rdev);
+  lockfile_check_dir_for_dev(ret,"/dev/usb/",dev_stat.st_rdev);
+  lockfile_check_dir_for_dev(ret,"/dev/tts/",dev_stat.st_rdev);
+
+  return ret;
+}
+
+
+