src/lxc/lsm/nop.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include "config.h"
   4
   5 #include <stdlib.h>
   6
   7 #include "lsm/lsm.h"
   8
   9 static char *nop_process_label_get(struct lsm_ops *ops, pid_t pid)
  10 {
  11         return NULL;
  12 }
  13
  14 static char *nop_process_label_get_at(struct lsm_ops *ops, int fd_pid)
  15 {
  16         return NULL;
  17 }
  18
  19 static int nop_process_label_set(struct lsm_ops *ops, const char *label, struct lxc_conf *conf,
  20                                  bool on_exec)
  21 {
  22         return 0;
  23 }
  24
  25 static int nop_enabled(struct lsm_ops *ops)
  26 {
  27         return 0;
  28 }
  29
  30 static int nop_keyring_label_set(struct lsm_ops *ops, const char *label)
  31 {
  32         return 0;
  33 }
  34
  35 static int nop_prepare(struct lsm_ops *ops, struct lxc_conf *conf, const char *lxcpath)
  36 {
  37         return 0;
  38 }
  39
  40 static void nop_cleanup(struct lsm_ops *ops, struct lxc_conf *conf, const char *lxcpath)
  41 {
  42 }
  43
  44 static int nop_process_label_fd_get(struct lsm_ops *ops, pid_t pid, bool on_exec)
  45 {
  46         return 0;
  47 }
  48
  49 static int nop_process_label_set_at(struct lsm_ops *ops, int label_fd, const char *label, bool on_exec)
  50 {
  51         return 0;
  52 }
  53
  54 static struct lsm_ops nop_ops = {
  55         .name                           = "nop",
  56         .aa_admin                       = -1,
  57         .aa_can_stack                   = -1,
  58         .aa_enabled                     = -1,
  59         .aa_is_stacked                  = -1,
  60         .aa_mount_features_enabled      = -1,
  61         .aa_parser_available            = -1,
  62         .aa_supports_unix               = -1,
  63         .cleanup                        = nop_cleanup,
  64         .enabled                        = nop_enabled,
  65         .keyring_label_set              = nop_keyring_label_set,
  66         .prepare                        = nop_prepare,
  67         .process_label_fd_get           = nop_process_label_fd_get,
  68         .process_label_get              = nop_process_label_get,
  69         .process_label_set              = nop_process_label_set,
  70         .process_label_get_at           = nop_process_label_get_at,
  71         .process_label_set_at           = nop_process_label_set_at,
  72 };
  73
  74 struct lsm_ops *lsm_nop_ops_init(void)
  75 {
  76         return &nop_ops;
  77 }