syscalls/fchown.c

   1 /*
   2  * SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)
   3  *
   4  * On success, zero is returned.
   5  * On error, -1 is returned, and errno is set appropriately.
   6  */
   7 #include "sanitise.h"
   8
   9 struct syscallentry syscall_fchown = {
  10         .name = "fchown",
  11         .num_args = 3,
  12         .arg1name = "fd",
  13         .arg1type = ARG_FD,
  14         .arg2name = "user",
  15         .arg3name = "group",
  16         .rettype = RET_ZERO_SUCCESS,
  17         .flags = NEED_ALARM,
  18         .group = GROUP_VFS,
  19 };
  20
  21 /*
  22  * SYSCALL_DEFINE3(fchown16, unsigned int, fd, old_uid_t, user, old_gid_t, group)
  23  *
  24  * On success, zero is returned.
  25  * On error, -1 is returned, and errno is set appropriately.
  26  */
  27
  28 struct syscallentry syscall_fchown16 = {
  29         .name = "fchown16",
  30         .num_args = 3,
  31         .arg1name = "fd",
  32         .arg1type = ARG_FD,
  33         .arg2name = "user",
  34         .arg3name = "group",
  35         .rettype = RET_ZERO_SUCCESS,
  36         .group = GROUP_VFS,
  37 };
  38
  39
  40 /*
  41  * SYSCALL_DEFINE5(fchownat, int, dfd, const char __user *, filename, uid_t, user,
  42         gid_t, group, int, flag)
  43  *
  44  * On success, fchownat() returns 0.
  45  *  On error, -1 is returned and errno is set to indicate the error.
  46  */
  47
  48 struct syscallentry syscall_fchownat = {
  49         .name = "fchownat",
  50         .num_args = 5,
  51         .arg1name = "dfd",
  52         .arg1type = ARG_FD,
  53         .arg2name = "filename",
  54         .arg2type = ARG_PATHNAME,
  55         .arg3name = "user",
  56         .arg4name = "group",
  57         .arg5name = "flag",
  58         .rettype = RET_ZERO_SUCCESS,
  59         .flags = NEED_ALARM,
  60         .group = GROUP_VFS,
  61 };