X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=daemon%2Fhexdump.c;h=36986135727b074924935988e0be02ef1c0041f2;hb=d81c0829ea4a99aadb98df37be9543a973269041;hp=1b33eeb3acec7a33138cd138d11cb42866649f60;hpb=e9c37113104c1cfb234535adc9b52ad3880a41ce;p=libguestfs.git

diff --git a/daemon/hexdump.c b/daemon/hexdump.c
index 1b33eeb..3698613 100644
--- a/daemon/hexdump.c
+++ b/daemon/hexdump.c
@@ -13,7 +13,7 @@
  *
  * 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.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #include <config.h>
@@ -21,6 +21,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
 
 #include "daemon.h"
 #include "actions.h"
@@ -28,18 +30,20 @@
 char *
 do_hexdump (const char *path)
 {
-  char *buf;
-  int r;
+  int fd, flags, r;
   char *out, *err;
 
-  buf = sysroot_path (path);
-  if (!buf) {
-    reply_with_perror ("malloc");
+  CHROOT_IN;
+  fd = open (path, O_RDONLY);
+  CHROOT_OUT;
+
+  if (fd == -1) {
+    reply_with_perror ("%s", path);
     return NULL;
   }
 
-  r = command (&out, &err, "hexdump", "-C", buf, NULL);
-  free (buf);
+  flags = COMMAND_FLAG_CHROOT_COPY_FILE_TO_STDIN | fd;
+  r = commandf (&out, &err, flags, "hexdump", "-C", NULL);
   if (r == -1) {
     reply_with_error ("%s: %s", path, err);
     free (err);