out-of-tree build: ruby

[libguestfs.git] / daemon / grep.c

diff --git a/daemon/grep.c b/daemon/grep.c
index d1f5a3f..3562f36 100644 (file)
--- a/daemon/grep.c
+++ b/daemon/grep.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>
@@ -22,31 +22,33 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <fcntl.h>
 
-#include "../src/guestfs_protocol.h"
+#include "guestfs_protocol.h"
 #include "daemon.h"
 #include "actions.h"
 
 static char **
 grep (const char *prog, const char *flag, const char *regex, const char *path)
 {
-  char *buf;
   char *out, *err;
-  int r;
+  int fd, flags, r;
   char **lines;
 
-  /* Make the path relative to /sysroot. */
-  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;
   }
 
   /* Note that grep returns an error if no match.  We want to
    * suppress this error and return an empty list.
    */
-  r = commandr (&out, &err, prog, flag, regex, buf, NULL);
-  free (buf);
+  flags = COMMAND_FLAG_CHROOT_COPY_FILE_TO_STDIN | fd;
+  r = commandrf (&out, &err, flags, prog, flag, regex, NULL);
   if (r == -1 || r > 1) {
     reply_with_error ("%s %s %s: %s", prog, flag, regex, err);
     free (out);