X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=daemon%2Fhexdump.c;h=202f856c6367bc558f4666a2dc740af5198adecf;hp=faf3dc5fc6cfe9dbb54393a9a44312dc3d242131;hb=e44cf42f362d793c47d892a18a6853d88abd6ecb;hpb=6bda071b5cd8393b37653687027c4ae6c6cf3804 diff --git a/daemon/hexdump.c b/daemon/hexdump.c index faf3dc5..202f856 100644 --- a/daemon/hexdump.c +++ b/daemon/hexdump.c @@ -21,30 +21,31 @@ #include #include #include +#include +#include #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;