syscalls/mount.c

   1 /*
   2  * SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name,
   3          char __user *, type, unsigned long, flags, void __user *, data)
   4  */
   5
   6 #include <linux/fs.h>
   7 #include "sanitise.h"
   8 #include "compat.h"
   9
  10 //TODO: fill out 'type' with something random from /proc/filesystems
  11
  12 struct syscallentry syscall_mount = {
  13         .name = "mount",
  14         .num_args = 5,
  15         .arg1name = "dev_name",
  16         .arg1type = ARG_PATHNAME,
  17         .arg2name = "dir_name",
  18         .arg2type = ARG_PATHNAME,
  19         .arg3name = "type",
  20         .arg3type = ARG_ADDRESS,
  21         .arg4name = "flags",
  22         .arg4type = ARG_LIST,
  23         .arg4list = {
  24                 .num = 29,
  25                 .values = {
  26                         MS_RDONLY, MS_NOSUID, MS_NODEV, MS_NOEXEC,
  27                         MS_SYNCHRONOUS, MS_REMOUNT, MS_MANDLOCK, MS_DIRSYNC,
  28                         MS_NOATIME, MS_NODIRATIME, MS_BIND, MS_MOVE,
  29                         MS_REC, MS_VERBOSE, MS_SILENT, MS_POSIXACL,
  30                         MS_UNBINDABLE, MS_PRIVATE, MS_SLAVE, MS_SHARED,
  31                         MS_RELATIME, MS_KERNMOUNT, MS_I_VERSION, MS_STRICTATIME,
  32                         MS_SNAP_STABLE, MS_NOSEC, MS_BORN, MS_ACTIVE,
  33                         MS_NOUSER, },
  34         },
  35         .arg5name = "data",
  36         .arg5type = ARG_ADDRESS,
  37         .group = GROUP_VFS,
  38 };