Added stat, lstat, statvfs and associated stat structures.

2026-03-21 22:53:37 +00:00 · 2009-04-15 10:44:27 +01:00
parent 946eec285f
commit 212a55d483
3 changed files with 518 additions and 53 deletions
--- a/daemon/stat.c
+++ b/daemon/stat.c
@@ -0,0 +1,155 @@
+/* libguestfs - the guestfsd daemon
+ * Copyright (C) 2009 Red Hat Inc. 
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/statvfs.h>
+#include <unistd.h>
+
+#include "../src/guestfs_protocol.h"
+#include "daemon.h"
+#include "actions.h"
+
+guestfs_int_stat *
+do_stat (const char *path)
+{
+  int r;
+  guestfs_int_stat *ret;
+  struct stat statbuf;
+
+  NEED_ROOT (NULL);
+  ABS_PATH (path, NULL);
+
+  CHROOT_IN;
+  r = stat (path, &statbuf);
+  CHROOT_OUT;
+
+  if (r == -1) {
+    reply_with_perror ("stat");
+    return NULL;
+  }
+
+  ret = malloc (sizeof *ret);
+  if (ret == NULL) {
+    reply_with_perror ("malloc");
+    return NULL;
+  }
+
+  ret->dev = statbuf.st_dev;
+  ret->ino = statbuf.st_ino;
+  ret->mode = statbuf.st_mode;
+  ret->nlink = statbuf.st_nlink;
+  ret->uid = statbuf.st_uid;
+  ret->gid = statbuf.st_gid;
+  ret->rdev = statbuf.st_rdev;
+  ret->size = statbuf.st_size;
+  ret->blksize = statbuf.st_blksize;
+  ret->blocks = statbuf.st_blocks;
+  ret->atime = statbuf.st_atime;
+  ret->mtime = statbuf.st_mtime;
+  ret->ctime = statbuf.st_ctime;
+
+  return ret;
+}
+
+guestfs_int_stat *
+do_lstat (const char *path)
+{
+  int r;
+  guestfs_int_stat *ret;
+  struct stat statbuf;
+
+  NEED_ROOT (NULL);
+  ABS_PATH (path, NULL);
+
+  CHROOT_IN;
+  r = lstat (path, &statbuf);
+  CHROOT_OUT;
+
+  if (r == -1) {
+    reply_with_perror ("stat");
+    return NULL;
+  }
+
+  ret = malloc (sizeof *ret);
+  if (ret == NULL) {
+    reply_with_perror ("malloc");
+    return NULL;
+  }
+
+  ret->dev = statbuf.st_dev;
+  ret->ino = statbuf.st_ino;
+  ret->mode = statbuf.st_mode;
+  ret->nlink = statbuf.st_nlink;
+  ret->uid = statbuf.st_uid;
+  ret->gid = statbuf.st_gid;
+  ret->rdev = statbuf.st_rdev;
+  ret->size = statbuf.st_size;
+  ret->blksize = statbuf.st_blksize;
+  ret->blocks = statbuf.st_blocks;
+  ret->atime = statbuf.st_atime;
+  ret->mtime = statbuf.st_mtime;
+  ret->ctime = statbuf.st_ctime;
+
+  return ret;
+}
+
+guestfs_int_statvfs *
+do_statvfs (const char *path)
+{
+  int r;
+  guestfs_int_statvfs *ret;
+  struct statvfs statbuf;
+
+  NEED_ROOT (NULL);
+  ABS_PATH (path, NULL);
+
+  CHROOT_IN;
+  r = statvfs (path, &statbuf);
+  CHROOT_OUT;
+
+  if (r == -1) {
+    reply_with_perror ("statvfs");
+    return NULL;
+  }
+
+  ret = malloc (sizeof *ret);
+  if (ret == NULL) {
+    reply_with_perror ("malloc");
+    return NULL;
+  }
+
+  ret->bsize = statbuf.f_bsize;
+  ret->frsize = statbuf.f_frsize;
+  ret->blocks = statbuf.f_blocks;
+  ret->bfree = statbuf.f_bfree;
+  ret->bavail = statbuf.f_bavail;
+  ret->files = statbuf.f_files;
+  ret->ffree = statbuf.f_ffree;
+  ret->favail = statbuf.f_favail;
+  ret->fsid = statbuf.f_fsid;
+  ret->flag = statbuf.f_flag;
+  ret->namemax = statbuf.f_namemax;
+
+  return ret;
+}