syscalls/rename.c

   1 /*
   2  * SYSCALL_DEFINE2(rename, const char __user *, oldname, const char __user *, newname
   3  */
   4 #include "sanitise.h"
   5
   6 struct syscallentry syscall_rename = {
   7         .name = "rename",
   8         .num_args = 2,
   9         .arg1name = "oldname",
  10         .arg1type = ARG_ADDRESS,
  11         .arg2name = "newname",
  12         .arg2type = ARG_ADDRESS,
  13         .group = GROUP_VFS,
  14 };
  15
  16 /*
  17  * SYSCALL_DEFINE4(renameat, int, olddfd, const char __user *, oldname,
  18          int, newdfd, const char __user *, newname)
  19  */
  20
  21 struct syscallentry syscall_renameat = {
  22         .name = "renameat",
  23         .num_args = 4,
  24         .arg1name = "olddfd",
  25         .arg1type = ARG_FD,
  26         .arg2name = "oldname",
  27         .arg2type = ARG_ADDRESS,
  28         .arg3name = "newdfd",
  29         .arg3type = ARG_FD,
  30         .arg4name = "newname",
  31         .arg4type = ARG_ADDRESS,
  32         .flags = NEED_ALARM,
  33         .group = GROUP_VFS,
  34 };
  35
  36 /*
  37  * SYSCALL_DEFINE5(renameat2, int, olddfd, const char __user *, oldname,
  38                    int, newdfd, const char __user *, newname, unsigned int, flags)
  39  */
  40
  41 #define RENAME_NOREPLACE        (1 << 0)        /* Don't overwrite target */
  42 #define RENAME_EXCHANGE         (1 << 1)        /* Exchange source and dest */
  43
  44 struct syscallentry syscall_renameat2 = {
  45         .name = "renameat2",
  46         .num_args = 5,
  47         .arg1name = "olddfd",
  48         .arg1type = ARG_FD,
  49         .arg2name = "oldname",
  50         .arg2type = ARG_ADDRESS,
  51         .arg3name = "newdfd",
  52         .arg3type = ARG_FD,
  53         .arg4name = "newname",
  54         .arg4type = ARG_ADDRESS,
  55         .arg5name = "flags",
  56         .arg5type = ARG_LIST,
  57         .arg5list = {
  58                 .num = 2,
  59                 .values = { RENAME_NOREPLACE, RENAME_EXCHANGE },
  60         },
  61         .flags = NEED_ALARM,
  62         .group = GROUP_VFS,
  63 };