#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
#include "daemon.h"
#include "actions.h"
char *
-do_hexdump (char *path)
+do_hexdump (const char *path)
{
- char *buf;
- int r;
+ int fd, flags, r;
char *out, *err;
- NEED_ROOT (return NULL);
- ABS_PATH (path, return NULL);
+ CHROOT_IN;
+ fd = open (path, O_RDONLY);
+ CHROOT_OUT;
- buf = sysroot_path (path);
- if (!buf) {
- reply_with_perror ("malloc");
+ 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 ("hexdump: %s: %s", path, err);
+ reply_with_error ("%s: %s", path, err);
free (err);
free (out);
return NULL;