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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:27 +0000
commit34996e42f82bfd60bc2c191e5cae3c6ab233ec6c (patch)
tree62db60558cbf089714b48daeabca82bf2b20b20e /security/security.c
parentAdding debian version 6.8.12-1. (diff)
downloadlinux-34996e42f82bfd60bc2c191e5cae3c6ab233ec6c.tar.xz
linux-34996e42f82bfd60bc2c191e5cae3c6ab233ec6c.zip
Merging upstream version 6.9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'security/security.c')
-rw-r--r--security/security.c876
1 files changed, 464 insertions, 412 deletions
diff --git a/security/security.c b/security/security.c
index a344b8fa55..4fd3c83935 100644
--- a/security/security.c
+++ b/security/security.c
@@ -19,15 +19,13 @@
#include <linux/kernel.h>
#include <linux/kernel_read_file.h>
#include <linux/lsm_hooks.h>
-#include <linux/integrity.h>
-#include <linux/ima.h>
-#include <linux/evm.h>
#include <linux/fsnotify.h>
#include <linux/mman.h>
#include <linux/mount.h>
#include <linux/personality.h>
#include <linux/backing-dev.h>
#include <linux/string.h>
+#include <linux/xattr.h>
#include <linux/msg.h>
#include <linux/overflow.h>
#include <net/flow.h>
@@ -51,7 +49,9 @@
(IS_ENABLED(CONFIG_SECURITY_SAFESETID) ? 1 : 0) + \
(IS_ENABLED(CONFIG_SECURITY_LOCKDOWN_LSM) ? 1 : 0) + \
(IS_ENABLED(CONFIG_BPF_LSM) ? 1 : 0) + \
- (IS_ENABLED(CONFIG_SECURITY_LANDLOCK) ? 1 : 0))
+ (IS_ENABLED(CONFIG_SECURITY_LANDLOCK) ? 1 : 0) + \
+ (IS_ENABLED(CONFIG_IMA) ? 1 : 0) + \
+ (IS_ENABLED(CONFIG_EVM) ? 1 : 0))
/*
* These are descriptions of the reasons that can be passed to the
@@ -862,14 +862,14 @@ out:
P->hook.FUNC(__VA_ARGS__); \
} while (0)
-#define call_int_hook(FUNC, IRC, ...) ({ \
- int RC = IRC; \
+#define call_int_hook(FUNC, ...) ({ \
+ int RC = LSM_RET_DEFAULT(FUNC); \
do { \
struct security_hook_list *P; \
\
hlist_for_each_entry(P, &security_hook_heads.FUNC, list) { \
RC = P->hook.FUNC(__VA_ARGS__); \
- if (RC != 0) \
+ if (RC != LSM_RET_DEFAULT(FUNC)) \
break; \
} \
} while (0); \
@@ -888,7 +888,7 @@ out:
*/
int security_binder_set_context_mgr(const struct cred *mgr)
{
- return call_int_hook(binder_set_context_mgr, 0, mgr);
+ return call_int_hook(binder_set_context_mgr, mgr);
}
/**
@@ -903,7 +903,7 @@ int security_binder_set_context_mgr(const struct cred *mgr)
int security_binder_transaction(const struct cred *from,
const struct cred *to)
{
- return call_int_hook(binder_transaction, 0, from, to);
+ return call_int_hook(binder_transaction, from, to);
}
/**
@@ -918,7 +918,7 @@ int security_binder_transaction(const struct cred *from,
int security_binder_transfer_binder(const struct cred *from,
const struct cred *to)
{
- return call_int_hook(binder_transfer_binder, 0, from, to);
+ return call_int_hook(binder_transfer_binder, from, to);
}
/**
@@ -934,7 +934,7 @@ int security_binder_transfer_binder(const struct cred *from,
int security_binder_transfer_file(const struct cred *from,
const struct cred *to, const struct file *file)
{
- return call_int_hook(binder_transfer_file, 0, from, to, file);
+ return call_int_hook(binder_transfer_file, from, to, file);
}
/**
@@ -953,7 +953,7 @@ int security_binder_transfer_file(const struct cred *from,
*/
int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
{
- return call_int_hook(ptrace_access_check, 0, child, mode);
+ return call_int_hook(ptrace_access_check, child, mode);
}
/**
@@ -968,7 +968,7 @@ int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
*/
int security_ptrace_traceme(struct task_struct *parent)
{
- return call_int_hook(ptrace_traceme, 0, parent);
+ return call_int_hook(ptrace_traceme, parent);
}
/**
@@ -990,8 +990,7 @@ int security_capget(const struct task_struct *target,
kernel_cap_t *inheritable,
kernel_cap_t *permitted)
{
- return call_int_hook(capget, 0, target,
- effective, inheritable, permitted);
+ return call_int_hook(capget, target, effective, inheritable, permitted);
}
/**
@@ -1012,8 +1011,8 @@ int security_capset(struct cred *new, const struct cred *old,
const kernel_cap_t *inheritable,
const kernel_cap_t *permitted)
{
- return call_int_hook(capset, 0, new, old,
- effective, inheritable, permitted);
+ return call_int_hook(capset, new, old, effective, inheritable,
+ permitted);
}
/**
@@ -1034,7 +1033,7 @@ int security_capable(const struct cred *cred,
int cap,
unsigned int opts)
{
- return call_int_hook(capable, 0, cred, ns, cap, opts);
+ return call_int_hook(capable, cred, ns, cap, opts);
}
/**
@@ -1050,7 +1049,7 @@ int security_capable(const struct cred *cred,
*/
int security_quotactl(int cmds, int type, int id, const struct super_block *sb)
{
- return call_int_hook(quotactl, 0, cmds, type, id, sb);
+ return call_int_hook(quotactl, cmds, type, id, sb);
}
/**
@@ -1063,7 +1062,7 @@ int security_quotactl(int cmds, int type, int id, const struct super_block *sb)
*/
int security_quota_on(struct dentry *dentry)
{
- return call_int_hook(quota_on, 0, dentry);
+ return call_int_hook(quota_on, dentry);
}
/**
@@ -1078,7 +1077,7 @@ int security_quota_on(struct dentry *dentry)
*/
int security_syslog(int type)
{
- return call_int_hook(syslog, 0, type);
+ return call_int_hook(syslog, type);
}
/**
@@ -1093,7 +1092,7 @@ int security_syslog(int type)
*/
int security_settime64(const struct timespec64 *ts, const struct timezone *tz)
{
- return call_int_hook(settime, 0, ts, tz);
+ return call_int_hook(settime, ts, tz);
}
/**
@@ -1148,7 +1147,7 @@ int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
*/
int security_bprm_creds_for_exec(struct linux_binprm *bprm)
{
- return call_int_hook(bprm_creds_for_exec, 0, bprm);
+ return call_int_hook(bprm_creds_for_exec, bprm);
}
/**
@@ -1172,7 +1171,7 @@ int security_bprm_creds_for_exec(struct linux_binprm *bprm)
*/
int security_bprm_creds_from_file(struct linux_binprm *bprm, const struct file *file)
{
- return call_int_hook(bprm_creds_from_file, 0, bprm, file);
+ return call_int_hook(bprm_creds_from_file, bprm, file);
}
/**
@@ -1189,12 +1188,7 @@ int security_bprm_creds_from_file(struct linux_binprm *bprm, const struct file *
*/
int security_bprm_check(struct linux_binprm *bprm)
{
- int ret;
-
- ret = call_int_hook(bprm_check_security, 0, bprm);
- if (ret)
- return ret;
- return ima_bprm_check(bprm);
+ return call_int_hook(bprm_check_security, bprm);
}
/**
@@ -1241,7 +1235,7 @@ void security_bprm_committed_creds(const struct linux_binprm *bprm)
*/
int security_fs_context_submount(struct fs_context *fc, struct super_block *reference)
{
- return call_int_hook(fs_context_submount, 0, fc, reference);
+ return call_int_hook(fs_context_submount, fc, reference);
}
/**
@@ -1257,7 +1251,7 @@ int security_fs_context_submount(struct fs_context *fc, struct super_block *refe
*/
int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc)
{
- return call_int_hook(fs_context_dup, 0, fc, src_fc);
+ return call_int_hook(fs_context_dup, fc, src_fc);
}
/**
@@ -1306,7 +1300,7 @@ int security_sb_alloc(struct super_block *sb)
if (unlikely(rc))
return rc;
- rc = call_int_hook(sb_alloc_security, 0, sb);
+ rc = call_int_hook(sb_alloc_security, sb);
if (unlikely(rc))
security_sb_free(sb);
return rc;
@@ -1364,7 +1358,7 @@ EXPORT_SYMBOL(security_free_mnt_opts);
*/
int security_sb_eat_lsm_opts(char *options, void **mnt_opts)
{
- return call_int_hook(sb_eat_lsm_opts, 0, options, mnt_opts);
+ return call_int_hook(sb_eat_lsm_opts, options, mnt_opts);
}
EXPORT_SYMBOL(security_sb_eat_lsm_opts);
@@ -1381,7 +1375,7 @@ EXPORT_SYMBOL(security_sb_eat_lsm_opts);
int security_sb_mnt_opts_compat(struct super_block *sb,
void *mnt_opts)
{
- return call_int_hook(sb_mnt_opts_compat, 0, sb, mnt_opts);
+ return call_int_hook(sb_mnt_opts_compat, sb, mnt_opts);
}
EXPORT_SYMBOL(security_sb_mnt_opts_compat);
@@ -1398,7 +1392,7 @@ EXPORT_SYMBOL(security_sb_mnt_opts_compat);
int security_sb_remount(struct super_block *sb,
void *mnt_opts)
{
- return call_int_hook(sb_remount, 0, sb, mnt_opts);
+ return call_int_hook(sb_remount, sb, mnt_opts);
}
EXPORT_SYMBOL(security_sb_remount);
@@ -1412,7 +1406,7 @@ EXPORT_SYMBOL(security_sb_remount);
*/
int security_sb_kern_mount(const struct super_block *sb)
{
- return call_int_hook(sb_kern_mount, 0, sb);
+ return call_int_hook(sb_kern_mount, sb);
}
/**
@@ -1426,7 +1420,7 @@ int security_sb_kern_mount(const struct super_block *sb)
*/
int security_sb_show_options(struct seq_file *m, struct super_block *sb)
{
- return call_int_hook(sb_show_options, 0, m, sb);
+ return call_int_hook(sb_show_options, m, sb);
}
/**
@@ -1440,7 +1434,7 @@ int security_sb_show_options(struct seq_file *m, struct super_block *sb)
*/
int security_sb_statfs(struct dentry *dentry)
{
- return call_int_hook(sb_statfs, 0, dentry);
+ return call_int_hook(sb_statfs, dentry);
}
/**
@@ -1463,7 +1457,7 @@ int security_sb_statfs(struct dentry *dentry)
int security_sb_mount(const char *dev_name, const struct path *path,
const char *type, unsigned long flags, void *data)
{
- return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data);
+ return call_int_hook(sb_mount, dev_name, path, type, flags, data);
}
/**
@@ -1477,7 +1471,7 @@ int security_sb_mount(const char *dev_name, const struct path *path,
*/
int security_sb_umount(struct vfsmount *mnt, int flags)
{
- return call_int_hook(sb_umount, 0, mnt, flags);
+ return call_int_hook(sb_umount, mnt, flags);
}
/**
@@ -1492,7 +1486,7 @@ int security_sb_umount(struct vfsmount *mnt, int flags)
int security_sb_pivotroot(const struct path *old_path,
const struct path *new_path)
{
- return call_int_hook(sb_pivotroot, 0, old_path, new_path);
+ return call_int_hook(sb_pivotroot, old_path, new_path);
}
/**
@@ -1511,9 +1505,17 @@ int security_sb_set_mnt_opts(struct super_block *sb,
unsigned long kern_flags,
unsigned long *set_kern_flags)
{
- return call_int_hook(sb_set_mnt_opts,
- mnt_opts ? -EOPNOTSUPP : 0, sb,
- mnt_opts, kern_flags, set_kern_flags);
+ struct security_hook_list *hp;
+ int rc = mnt_opts ? -EOPNOTSUPP : LSM_RET_DEFAULT(sb_set_mnt_opts);
+
+ hlist_for_each_entry(hp, &security_hook_heads.sb_set_mnt_opts,
+ list) {
+ rc = hp->hook.sb_set_mnt_opts(sb, mnt_opts, kern_flags,
+ set_kern_flags);
+ if (rc != LSM_RET_DEFAULT(sb_set_mnt_opts))
+ break;
+ }
+ return rc;
}
EXPORT_SYMBOL(security_sb_set_mnt_opts);
@@ -1533,7 +1535,7 @@ int security_sb_clone_mnt_opts(const struct super_block *oldsb,
unsigned long kern_flags,
unsigned long *set_kern_flags)
{
- return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb,
+ return call_int_hook(sb_clone_mnt_opts, oldsb, newsb,
kern_flags, set_kern_flags);
}
EXPORT_SYMBOL(security_sb_clone_mnt_opts);
@@ -1550,7 +1552,7 @@ EXPORT_SYMBOL(security_sb_clone_mnt_opts);
int security_move_mount(const struct path *from_path,
const struct path *to_path)
{
- return call_int_hook(move_mount, 0, from_path, to_path);
+ return call_int_hook(move_mount, from_path, to_path);
}
/**
@@ -1567,7 +1569,7 @@ int security_move_mount(const struct path *from_path,
int security_path_notify(const struct path *path, u64 mask,
unsigned int obj_type)
{
- return call_int_hook(path_notify, 0, path, mask, obj_type);
+ return call_int_hook(path_notify, path, mask, obj_type);
}
/**
@@ -1586,7 +1588,7 @@ int security_inode_alloc(struct inode *inode)
if (unlikely(rc))
return rc;
- rc = call_int_hook(inode_alloc_security, 0, inode);
+ rc = call_int_hook(inode_alloc_security, inode);
if (unlikely(rc))
security_inode_free(inode);
return rc;
@@ -1608,7 +1610,6 @@ static void inode_free_by_rcu(struct rcu_head *head)
*/
void security_inode_free(struct inode *inode)
{
- integrity_inode_free(inode);
call_void_hook(inode_free_security, inode);
/*
* The inode may still be referenced in a path walk and
@@ -1644,20 +1645,8 @@ int security_dentry_init_security(struct dentry *dentry, int mode,
const char **xattr_name, void **ctx,
u32 *ctxlen)
{
- struct security_hook_list *hp;
- int rc;
-
- /*
- * Only one module will provide a security context.
- */
- hlist_for_each_entry(hp, &security_hook_heads.dentry_init_security,
- list) {
- rc = hp->hook.dentry_init_security(dentry, mode, name,
- xattr_name, ctx, ctxlen);
- if (rc != LSM_RET_DEFAULT(dentry_init_security))
- return rc;
- }
- return LSM_RET_DEFAULT(dentry_init_security);
+ return call_int_hook(dentry_init_security, dentry, mode, name,
+ xattr_name, ctx, ctxlen);
}
EXPORT_SYMBOL(security_dentry_init_security);
@@ -1680,7 +1669,7 @@ int security_dentry_create_files_as(struct dentry *dentry, int mode,
struct qstr *name,
const struct cred *old, struct cred *new)
{
- return call_int_hook(dentry_create_files_as, 0, dentry, mode,
+ return call_int_hook(dentry_create_files_as, dentry, mode,
name, old, new);
}
EXPORT_SYMBOL(security_dentry_create_files_as);
@@ -1727,8 +1716,8 @@ int security_inode_init_security(struct inode *inode, struct inode *dir,
return 0;
if (initxattrs) {
- /* Allocate +1 for EVM and +1 as terminator. */
- new_xattrs = kcalloc(blob_sizes.lbs_xattr_count + 2,
+ /* Allocate +1 as terminator. */
+ new_xattrs = kcalloc(blob_sizes.lbs_xattr_count + 1,
sizeof(*new_xattrs), GFP_NOFS);
if (!new_xattrs)
return -ENOMEM;
@@ -1752,10 +1741,6 @@ int security_inode_init_security(struct inode *inode, struct inode *dir,
if (!xattr_count)
goto out;
- ret = evm_inode_init_security(inode, dir, qstr, new_xattrs,
- &xattr_count);
- if (ret)
- goto out;
ret = initxattrs(inode, new_xattrs, fs_data);
out:
for (; xattr_count > 0; xattr_count--)
@@ -1781,7 +1766,7 @@ int security_inode_init_security_anon(struct inode *inode,
const struct qstr *name,
const struct inode *context_inode)
{
- return call_int_hook(inode_init_security_anon, 0, inode, name,
+ return call_int_hook(inode_init_security_anon, inode, name,
context_inode);
}
@@ -1803,11 +1788,25 @@ int security_path_mknod(const struct path *dir, struct dentry *dentry,
{
if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
return 0;
- return call_int_hook(path_mknod, 0, dir, dentry, mode, dev);
+ return call_int_hook(path_mknod, dir, dentry, mode, dev);
}
EXPORT_SYMBOL(security_path_mknod);
/**
+ * security_path_post_mknod() - Update inode security after reg file creation
+ * @idmap: idmap of the mount
+ * @dentry: new file
+ *
+ * Update inode security field after a regular file has been created.
+ */
+void security_path_post_mknod(struct mnt_idmap *idmap, struct dentry *dentry)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
+ return;
+ call_void_hook(path_post_mknod, idmap, dentry);
+}
+
+/**
* security_path_mkdir() - Check if creating a new directory is allowed
* @dir: parent directory
* @dentry: new directory
@@ -1822,7 +1821,7 @@ int security_path_mkdir(const struct path *dir, struct dentry *dentry,
{
if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
return 0;
- return call_int_hook(path_mkdir, 0, dir, dentry, mode);
+ return call_int_hook(path_mkdir, dir, dentry, mode);
}
EXPORT_SYMBOL(security_path_mkdir);
@@ -1839,7 +1838,7 @@ int security_path_rmdir(const struct path *dir, struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
return 0;
- return call_int_hook(path_rmdir, 0, dir, dentry);
+ return call_int_hook(path_rmdir, dir, dentry);
}
/**
@@ -1855,7 +1854,7 @@ int security_path_unlink(const struct path *dir, struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
return 0;
- return call_int_hook(path_unlink, 0, dir, dentry);
+ return call_int_hook(path_unlink, dir, dentry);
}
EXPORT_SYMBOL(security_path_unlink);
@@ -1874,7 +1873,7 @@ int security_path_symlink(const struct path *dir, struct dentry *dentry,
{
if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
return 0;
- return call_int_hook(path_symlink, 0, dir, dentry, old_name);
+ return call_int_hook(path_symlink, dir, dentry, old_name);
}
/**
@@ -1892,7 +1891,7 @@ int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
{
if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
return 0;
- return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry);
+ return call_int_hook(path_link, old_dentry, new_dir, new_dentry);
}
/**
@@ -1916,7 +1915,7 @@ int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
IS_PRIVATE(d_backing_inode(new_dentry)))))
return 0;
- return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir,
+ return call_int_hook(path_rename, old_dir, old_dentry, new_dir,
new_dentry, flags);
}
EXPORT_SYMBOL(security_path_rename);
@@ -1935,7 +1934,7 @@ int security_path_truncate(const struct path *path)
{
if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
return 0;
- return call_int_hook(path_truncate, 0, path);
+ return call_int_hook(path_truncate, path);
}
/**
@@ -1953,7 +1952,7 @@ int security_path_chmod(const struct path *path, umode_t mode)
{
if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
return 0;
- return call_int_hook(path_chmod, 0, path, mode);
+ return call_int_hook(path_chmod, path, mode);
}
/**
@@ -1970,7 +1969,7 @@ int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
{
if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
return 0;
- return call_int_hook(path_chown, 0, path, uid, gid);
+ return call_int_hook(path_chown, path, uid, gid);
}
/**
@@ -1983,7 +1982,7 @@ int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
*/
int security_path_chroot(const struct path *path)
{
- return call_int_hook(path_chroot, 0, path);
+ return call_int_hook(path_chroot, path);
}
#endif /* CONFIG_SECURITY_PATH */
@@ -2002,11 +2001,26 @@ int security_inode_create(struct inode *dir, struct dentry *dentry,
{
if (unlikely(IS_PRIVATE(dir)))
return 0;
- return call_int_hook(inode_create, 0, dir, dentry, mode);
+ return call_int_hook(inode_create, dir, dentry, mode);
}
EXPORT_SYMBOL_GPL(security_inode_create);
/**
+ * security_inode_post_create_tmpfile() - Update inode security of new tmpfile
+ * @idmap: idmap of the mount
+ * @inode: inode of the new tmpfile
+ *
+ * Update inode security data after a tmpfile has been created.
+ */
+void security_inode_post_create_tmpfile(struct mnt_idmap *idmap,
+ struct inode *inode)
+{
+ if (unlikely(IS_PRIVATE(inode)))
+ return;
+ call_void_hook(inode_post_create_tmpfile, idmap, inode);
+}
+
+/**
* security_inode_link() - Check if creating a hard link is allowed
* @old_dentry: existing file
* @dir: new parent directory
@@ -2021,7 +2035,7 @@ int security_inode_link(struct dentry *old_dentry, struct inode *dir,
{
if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
return 0;
- return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry);
+ return call_int_hook(inode_link, old_dentry, dir, new_dentry);
}
/**
@@ -2037,7 +2051,7 @@ int security_inode_unlink(struct inode *dir, struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
- return call_int_hook(inode_unlink, 0, dir, dentry);
+ return call_int_hook(inode_unlink, dir, dentry);
}
/**
@@ -2055,7 +2069,7 @@ int security_inode_symlink(struct inode *dir, struct dentry *dentry,
{
if (unlikely(IS_PRIVATE(dir)))
return 0;
- return call_int_hook(inode_symlink, 0, dir, dentry, old_name);
+ return call_int_hook(inode_symlink, dir, dentry, old_name);
}
/**
@@ -2073,7 +2087,7 @@ int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
{
if (unlikely(IS_PRIVATE(dir)))
return 0;
- return call_int_hook(inode_mkdir, 0, dir, dentry, mode);
+ return call_int_hook(inode_mkdir, dir, dentry, mode);
}
EXPORT_SYMBOL_GPL(security_inode_mkdir);
@@ -2090,7 +2104,7 @@ int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
- return call_int_hook(inode_rmdir, 0, dir, dentry);
+ return call_int_hook(inode_rmdir, dir, dentry);
}
/**
@@ -2112,7 +2126,7 @@ int security_inode_mknod(struct inode *dir, struct dentry *dentry,
{
if (unlikely(IS_PRIVATE(dir)))
return 0;
- return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev);
+ return call_int_hook(inode_mknod, dir, dentry, mode, dev);
}
/**
@@ -2137,13 +2151,13 @@ int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
return 0;
if (flags & RENAME_EXCHANGE) {
- int err = call_int_hook(inode_rename, 0, new_dir, new_dentry,
+ int err = call_int_hook(inode_rename, new_dir, new_dentry,
old_dir, old_dentry);
if (err)
return err;
}
- return call_int_hook(inode_rename, 0, old_dir, old_dentry,
+ return call_int_hook(inode_rename, old_dir, old_dentry,
new_dir, new_dentry);
}
@@ -2159,7 +2173,7 @@ int security_inode_readlink(struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
- return call_int_hook(inode_readlink, 0, dentry);
+ return call_int_hook(inode_readlink, dentry);
}
/**
@@ -2178,7 +2192,7 @@ int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
{
if (unlikely(IS_PRIVATE(inode)))
return 0;
- return call_int_hook(inode_follow_link, 0, dentry, inode, rcu);
+ return call_int_hook(inode_follow_link, dentry, inode, rcu);
}
/**
@@ -2199,7 +2213,7 @@ int security_inode_permission(struct inode *inode, int mask)
{
if (unlikely(IS_PRIVATE(inode)))
return 0;
- return call_int_hook(inode_permission, 0, inode, mask);
+ return call_int_hook(inode_permission, inode, mask);
}
/**
@@ -2218,18 +2232,29 @@ int security_inode_permission(struct inode *inode, int mask)
int security_inode_setattr(struct mnt_idmap *idmap,
struct dentry *dentry, struct iattr *attr)
{
- int ret;
-
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
- ret = call_int_hook(inode_setattr, 0, dentry, attr);
- if (ret)
- return ret;
- return evm_inode_setattr(idmap, dentry, attr);
+ return call_int_hook(inode_setattr, idmap, dentry, attr);
}
EXPORT_SYMBOL_GPL(security_inode_setattr);
/**
+ * security_inode_post_setattr() - Update the inode after a setattr operation
+ * @idmap: idmap of the mount
+ * @dentry: file
+ * @ia_valid: file attributes set
+ *
+ * Update inode security field after successful setting file attributes.
+ */
+void security_inode_post_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
+ int ia_valid)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
+ return;
+ call_void_hook(inode_post_setattr, idmap, dentry, ia_valid);
+}
+
+/**
* security_inode_getattr() - Check if getting file attributes is allowed
* @path: file
*
@@ -2241,7 +2266,7 @@ int security_inode_getattr(const struct path *path)
{
if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
return 0;
- return call_int_hook(inode_getattr, 0, path);
+ return call_int_hook(inode_getattr, path);
}
/**
@@ -2269,17 +2294,12 @@ int security_inode_setxattr(struct mnt_idmap *idmap,
* SELinux and Smack integrate the cap call,
* so assume that all LSMs supplying this call do so.
*/
- ret = call_int_hook(inode_setxattr, 1, idmap, dentry, name, value,
- size, flags);
+ ret = call_int_hook(inode_setxattr, idmap, dentry, name, value, size,
+ flags);
if (ret == 1)
ret = cap_inode_setxattr(dentry, name, value, size, flags);
- if (ret)
- return ret;
- ret = ima_inode_setxattr(dentry, name, value, size);
- if (ret)
- return ret;
- return evm_inode_setxattr(idmap, dentry, name, value, size);
+ return ret;
}
/**
@@ -2298,18 +2318,26 @@ int security_inode_set_acl(struct mnt_idmap *idmap,
struct dentry *dentry, const char *acl_name,
struct posix_acl *kacl)
{
- int ret;
-
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
- ret = call_int_hook(inode_set_acl, 0, idmap, dentry, acl_name,
- kacl);
- if (ret)
- return ret;
- ret = ima_inode_set_acl(idmap, dentry, acl_name, kacl);
- if (ret)
- return ret;
- return evm_inode_set_acl(idmap, dentry, acl_name, kacl);
+ return call_int_hook(inode_set_acl, idmap, dentry, acl_name, kacl);
+}
+
+/**
+ * security_inode_post_set_acl() - Update inode security from posix acls set
+ * @dentry: file
+ * @acl_name: acl name
+ * @kacl: acl struct
+ *
+ * Update inode security data after successfully setting posix acls on @dentry.
+ * The posix acls in @kacl are identified by @acl_name.
+ */
+void security_inode_post_set_acl(struct dentry *dentry, const char *acl_name,
+ struct posix_acl *kacl)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
+ return;
+ call_void_hook(inode_post_set_acl, dentry, acl_name, kacl);
}
/**
@@ -2328,7 +2356,7 @@ int security_inode_get_acl(struct mnt_idmap *idmap,
{
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
- return call_int_hook(inode_get_acl, 0, idmap, dentry, acl_name);
+ return call_int_hook(inode_get_acl, idmap, dentry, acl_name);
}
/**
@@ -2345,17 +2373,26 @@ int security_inode_get_acl(struct mnt_idmap *idmap,
int security_inode_remove_acl(struct mnt_idmap *idmap,
struct dentry *dentry, const char *acl_name)
{
- int ret;
-
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
- ret = call_int_hook(inode_remove_acl, 0, idmap, dentry, acl_name);
- if (ret)
- return ret;
- ret = ima_inode_remove_acl(idmap, dentry, acl_name);
- if (ret)
- return ret;
- return evm_inode_remove_acl(idmap, dentry, acl_name);
+ return call_int_hook(inode_remove_acl, idmap, dentry, acl_name);
+}
+
+/**
+ * security_inode_post_remove_acl() - Update inode security after rm posix acls
+ * @idmap: idmap of the mount
+ * @dentry: file
+ * @acl_name: acl name
+ *
+ * Update inode security data after successfully removing posix acls on
+ * @dentry in @idmap. The posix acls are identified by @acl_name.
+ */
+void security_inode_post_remove_acl(struct mnt_idmap *idmap,
+ struct dentry *dentry, const char *acl_name)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
+ return;
+ call_void_hook(inode_post_remove_acl, idmap, dentry, acl_name);
}
/**
@@ -2374,7 +2411,6 @@ void security_inode_post_setxattr(struct dentry *dentry, const char *name,
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return;
call_void_hook(inode_post_setxattr, dentry, name, value, size, flags);
- evm_inode_post_setxattr(dentry, name, value, size);
}
/**
@@ -2391,7 +2427,7 @@ int security_inode_getxattr(struct dentry *dentry, const char *name)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
- return call_int_hook(inode_getxattr, 0, dentry, name);
+ return call_int_hook(inode_getxattr, dentry, name);
}
/**
@@ -2407,7 +2443,7 @@ int security_inode_listxattr(struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
- return call_int_hook(inode_listxattr, 0, dentry);
+ return call_int_hook(inode_listxattr, dentry);
}
/**
@@ -2432,15 +2468,24 @@ int security_inode_removexattr(struct mnt_idmap *idmap,
* SELinux and Smack integrate the cap call,
* so assume that all LSMs supplying this call do so.
*/
- ret = call_int_hook(inode_removexattr, 1, idmap, dentry, name);
+ ret = call_int_hook(inode_removexattr, idmap, dentry, name);
if (ret == 1)
ret = cap_inode_removexattr(idmap, dentry, name);
- if (ret)
- return ret;
- ret = ima_inode_removexattr(dentry, name);
- if (ret)
- return ret;
- return evm_inode_removexattr(idmap, dentry, name);
+ return ret;
+}
+
+/**
+ * security_inode_post_removexattr() - Update the inode after a removexattr op
+ * @dentry: file
+ * @name: xattr name
+ *
+ * Update the inode after a successful removexattr operation.
+ */
+void security_inode_post_removexattr(struct dentry *dentry, const char *name)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
+ return;
+ call_void_hook(inode_post_removexattr, dentry, name);
}
/**
@@ -2456,7 +2501,7 @@ int security_inode_removexattr(struct mnt_idmap *idmap,
*/
int security_inode_need_killpriv(struct dentry *dentry)
{
- return call_int_hook(inode_need_killpriv, 0, dentry);
+ return call_int_hook(inode_need_killpriv, dentry);
}
/**
@@ -2473,7 +2518,7 @@ int security_inode_need_killpriv(struct dentry *dentry)
int security_inode_killpriv(struct mnt_idmap *idmap,
struct dentry *dentry)
{
- return call_int_hook(inode_killpriv, 0, idmap, dentry);
+ return call_int_hook(inode_killpriv, idmap, dentry);
}
/**
@@ -2496,21 +2541,11 @@ int security_inode_getsecurity(struct mnt_idmap *idmap,
struct inode *inode, const char *name,
void **buffer, bool alloc)
{
- struct security_hook_list *hp;
- int rc;
-
if (unlikely(IS_PRIVATE(inode)))
return LSM_RET_DEFAULT(inode_getsecurity);
- /*
- * Only one module will provide an attribute with a given name.
- */
- hlist_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) {
- rc = hp->hook.inode_getsecurity(idmap, inode, name, buffer,
- alloc);
- if (rc != LSM_RET_DEFAULT(inode_getsecurity))
- return rc;
- }
- return LSM_RET_DEFAULT(inode_getsecurity);
+
+ return call_int_hook(inode_getsecurity, idmap, inode, name, buffer,
+ alloc);
}
/**
@@ -2531,21 +2566,11 @@ int security_inode_getsecurity(struct mnt_idmap *idmap,
int security_inode_setsecurity(struct inode *inode, const char *name,
const void *value, size_t size, int flags)
{
- struct security_hook_list *hp;
- int rc;
-
if (unlikely(IS_PRIVATE(inode)))
return LSM_RET_DEFAULT(inode_setsecurity);
- /*
- * Only one module will provide an attribute with a given name.
- */
- hlist_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) {
- rc = hp->hook.inode_setsecurity(inode, name, value, size,
- flags);
- if (rc != LSM_RET_DEFAULT(inode_setsecurity))
- return rc;
- }
- return LSM_RET_DEFAULT(inode_setsecurity);
+
+ return call_int_hook(inode_setsecurity, inode, name, value, size,
+ flags);
}
/**
@@ -2566,7 +2591,7 @@ int security_inode_listsecurity(struct inode *inode,
{
if (unlikely(IS_PRIVATE(inode)))
return 0;
- return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size);
+ return call_int_hook(inode_listsecurity, inode, buffer, buffer_size);
}
EXPORT_SYMBOL(security_inode_listsecurity);
@@ -2597,7 +2622,7 @@ void security_inode_getsecid(struct inode *inode, u32 *secid)
*/
int security_inode_copy_up(struct dentry *src, struct cred **new)
{
- return call_int_hook(inode_copy_up, 0, src, new);
+ return call_int_hook(inode_copy_up, src, new);
}
EXPORT_SYMBOL(security_inode_copy_up);
@@ -2615,7 +2640,6 @@ EXPORT_SYMBOL(security_inode_copy_up);
*/
int security_inode_copy_up_xattr(const char *name)
{
- struct security_hook_list *hp;
int rc;
/*
@@ -2623,14 +2647,11 @@ int security_inode_copy_up_xattr(const char *name)
* xattr), -EOPNOTSUPP if it does not know anything about the xattr or
* any other error code in case of an error.
*/
- hlist_for_each_entry(hp,
- &security_hook_heads.inode_copy_up_xattr, list) {
- rc = hp->hook.inode_copy_up_xattr(name);
- if (rc != LSM_RET_DEFAULT(inode_copy_up_xattr))
- return rc;
- }
+ rc = call_int_hook(inode_copy_up_xattr, name);
+ if (rc != LSM_RET_DEFAULT(inode_copy_up_xattr))
+ return rc;
- return evm_inode_copy_up_xattr(name);
+ return LSM_RET_DEFAULT(inode_copy_up_xattr);
}
EXPORT_SYMBOL(security_inode_copy_up_xattr);
@@ -2647,7 +2668,7 @@ EXPORT_SYMBOL(security_inode_copy_up_xattr);
int security_kernfs_init_security(struct kernfs_node *kn_dir,
struct kernfs_node *kn)
{
- return call_int_hook(kernfs_init_security, 0, kn_dir, kn);
+ return call_int_hook(kernfs_init_security, kn_dir, kn);
}
/**
@@ -2671,7 +2692,7 @@ int security_kernfs_init_security(struct kernfs_node *kn_dir,
*/
int security_file_permission(struct file *file, int mask)
{
- return call_int_hook(file_permission, 0, file, mask);
+ return call_int_hook(file_permission, file, mask);
}
/**
@@ -2689,13 +2710,24 @@ int security_file_alloc(struct file *file)
if (rc)
return rc;
- rc = call_int_hook(file_alloc_security, 0, file);
+ rc = call_int_hook(file_alloc_security, file);
if (unlikely(rc))
security_file_free(file);
return rc;
}
/**
+ * security_file_release() - Perform actions before releasing the file ref
+ * @file: the file
+ *
+ * Perform actions before releasing the last reference to a file.
+ */
+void security_file_release(struct file *file)
+{
+ call_void_hook(file_release, file);
+}
+
+/**
* security_file_free() - Free a file's LSM blob
* @file: the file
*
@@ -2729,7 +2761,7 @@ void security_file_free(struct file *file)
*/
int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
- return call_int_hook(file_ioctl, 0, file, cmd, arg);
+ return call_int_hook(file_ioctl, file, cmd, arg);
}
EXPORT_SYMBOL_GPL(security_file_ioctl);
@@ -2747,7 +2779,7 @@ EXPORT_SYMBOL_GPL(security_file_ioctl);
int security_file_ioctl_compat(struct file *file, unsigned int cmd,
unsigned long arg)
{
- return call_int_hook(file_ioctl_compat, 0, file, cmd, arg);
+ return call_int_hook(file_ioctl_compat, file, cmd, arg);
}
EXPORT_SYMBOL_GPL(security_file_ioctl_compat);
@@ -2798,13 +2830,8 @@ static inline unsigned long mmap_prot(struct file *file, unsigned long prot)
int security_mmap_file(struct file *file, unsigned long prot,
unsigned long flags)
{
- unsigned long prot_adj = mmap_prot(file, prot);
- int ret;
-
- ret = call_int_hook(mmap_file, 0, file, prot, prot_adj, flags);
- if (ret)
- return ret;
- return ima_file_mmap(file, prot, prot_adj, flags);
+ return call_int_hook(mmap_file, file, prot, mmap_prot(file, prot),
+ flags);
}
/**
@@ -2817,7 +2844,7 @@ int security_mmap_file(struct file *file, unsigned long prot,
*/
int security_mmap_addr(unsigned long addr)
{
- return call_int_hook(mmap_addr, 0, addr);
+ return call_int_hook(mmap_addr, addr);
}
/**
@@ -2833,12 +2860,7 @@ int security_mmap_addr(unsigned long addr)
int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
unsigned long prot)
{
- int ret;
-
- ret = call_int_hook(file_mprotect, 0, vma, reqprot, prot);
- if (ret)
- return ret;
- return ima_file_mprotect(vma, prot);
+ return call_int_hook(file_mprotect, vma, reqprot, prot);
}
/**
@@ -2853,7 +2875,7 @@ int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
*/
int security_file_lock(struct file *file, unsigned int cmd)
{
- return call_int_hook(file_lock, 0, file, cmd);
+ return call_int_hook(file_lock, file, cmd);
}
/**
@@ -2872,7 +2894,7 @@ int security_file_lock(struct file *file, unsigned int cmd)
*/
int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
{
- return call_int_hook(file_fcntl, 0, file, cmd, arg);
+ return call_int_hook(file_fcntl, file, cmd, arg);
}
/**
@@ -2906,11 +2928,11 @@ void security_file_set_fowner(struct file *file)
int security_file_send_sigiotask(struct task_struct *tsk,
struct fown_struct *fown, int sig)
{
- return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig);
+ return call_int_hook(file_send_sigiotask, tsk, fown, sig);
}
/**
- * security_file_receive() - Check is receiving a file via IPC is allowed
+ * security_file_receive() - Check if receiving a file via IPC is allowed
* @file: file being received
*
* This hook allows security modules to control the ability of a process to
@@ -2920,7 +2942,7 @@ int security_file_send_sigiotask(struct task_struct *tsk,
*/
int security_file_receive(struct file *file)
{
- return call_int_hook(file_receive, 0, file);
+ return call_int_hook(file_receive, file);
}
/**
@@ -2936,7 +2958,7 @@ int security_file_open(struct file *file)
{
int ret;
- ret = call_int_hook(file_open, 0, file);
+ ret = call_int_hook(file_open, file);
if (ret)
return ret;
@@ -2944,6 +2966,23 @@ int security_file_open(struct file *file)
}
/**
+ * security_file_post_open() - Evaluate a file after it has been opened
+ * @file: the file
+ * @mask: access mask
+ *
+ * Evaluate an opened file and the access mask requested with open(). The hook
+ * is useful for LSMs that require the file content to be available in order to
+ * make decisions.
+ *
+ * Return: Returns 0 if permission is granted.
+ */
+int security_file_post_open(struct file *file, int mask)
+{
+ return call_int_hook(file_post_open, file, mask);
+}
+EXPORT_SYMBOL_GPL(security_file_post_open);
+
+/**
* security_file_truncate() - Check if truncating a file is allowed
* @file: file
*
@@ -2955,7 +2994,7 @@ int security_file_open(struct file *file)
*/
int security_file_truncate(struct file *file)
{
- return call_int_hook(file_truncate, 0, file);
+ return call_int_hook(file_truncate, file);
}
/**
@@ -2973,7 +3012,7 @@ int security_task_alloc(struct task_struct *task, unsigned long clone_flags)
if (rc)
return rc;
- rc = call_int_hook(task_alloc, 0, task, clone_flags);
+ rc = call_int_hook(task_alloc, task, clone_flags);
if (unlikely(rc))
security_task_free(task);
return rc;
@@ -3011,7 +3050,7 @@ int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
if (rc)
return rc;
- rc = call_int_hook(cred_alloc_blank, 0, cred, gfp);
+ rc = call_int_hook(cred_alloc_blank, cred, gfp);
if (unlikely(rc))
security_cred_free(cred);
return rc;
@@ -3055,7 +3094,7 @@ int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
if (rc)
return rc;
- rc = call_int_hook(cred_prepare, 0, new, old, gfp);
+ rc = call_int_hook(cred_prepare, new, old, gfp);
if (unlikely(rc))
security_cred_free(new);
return rc;
@@ -3100,7 +3139,7 @@ EXPORT_SYMBOL(security_cred_getsecid);
*/
int security_kernel_act_as(struct cred *new, u32 secid)
{
- return call_int_hook(kernel_act_as, 0, new, secid);
+ return call_int_hook(kernel_act_as, new, secid);
}
/**
@@ -3116,11 +3155,11 @@ int security_kernel_act_as(struct cred *new, u32 secid)
*/
int security_kernel_create_files_as(struct cred *new, struct inode *inode)
{
- return call_int_hook(kernel_create_files_as, 0, new, inode);
+ return call_int_hook(kernel_create_files_as, new, inode);
}
/**
- * security_kernel_module_request() - Check is loading a module is allowed
+ * security_kernel_module_request() - Check if loading a module is allowed
* @kmod_name: module name
*
* Ability to trigger the kernel to automatically upcall to userspace for
@@ -3130,12 +3169,7 @@ int security_kernel_create_files_as(struct cred *new, struct inode *inode)
*/
int security_kernel_module_request(char *kmod_name)
{
- int ret;
-
- ret = call_int_hook(kernel_module_request, 0, kmod_name);
- if (ret)
- return ret;
- return integrity_kernel_module_request(kmod_name);
+ return call_int_hook(kernel_module_request, kmod_name);
}
/**
@@ -3151,12 +3185,7 @@ int security_kernel_module_request(char *kmod_name)
int security_kernel_read_file(struct file *file, enum kernel_read_file_id id,
bool contents)
{
- int ret;
-
- ret = call_int_hook(kernel_read_file, 0, file, id, contents);
- if (ret)
- return ret;
- return ima_read_file(file, id, contents);
+ return call_int_hook(kernel_read_file, file, id, contents);
}
EXPORT_SYMBOL_GPL(security_kernel_read_file);
@@ -3176,12 +3205,7 @@ EXPORT_SYMBOL_GPL(security_kernel_read_file);
int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
enum kernel_read_file_id id)
{
- int ret;
-
- ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id);
- if (ret)
- return ret;
- return ima_post_read_file(file, buf, size, id);
+ return call_int_hook(kernel_post_read_file, file, buf, size, id);
}
EXPORT_SYMBOL_GPL(security_kernel_post_read_file);
@@ -3196,12 +3220,7 @@ EXPORT_SYMBOL_GPL(security_kernel_post_read_file);
*/
int security_kernel_load_data(enum kernel_load_data_id id, bool contents)
{
- int ret;
-
- ret = call_int_hook(kernel_load_data, 0, id, contents);
- if (ret)
- return ret;
- return ima_load_data(id, contents);
+ return call_int_hook(kernel_load_data, id, contents);
}
EXPORT_SYMBOL_GPL(security_kernel_load_data);
@@ -3223,13 +3242,7 @@ int security_kernel_post_load_data(char *buf, loff_t size,
enum kernel_load_data_id id,
char *description)
{
- int ret;
-
- ret = call_int_hook(kernel_post_load_data, 0, buf, size, id,
- description);
- if (ret)
- return ret;
- return ima_post_load_data(buf, size, id, description);
+ return call_int_hook(kernel_post_load_data, buf, size, id, description);
}
EXPORT_SYMBOL_GPL(security_kernel_post_load_data);
@@ -3250,7 +3263,7 @@ EXPORT_SYMBOL_GPL(security_kernel_post_load_data);
int security_task_fix_setuid(struct cred *new, const struct cred *old,
int flags)
{
- return call_int_hook(task_fix_setuid, 0, new, old, flags);
+ return call_int_hook(task_fix_setuid, new, old, flags);
}
/**
@@ -3270,7 +3283,7 @@ int security_task_fix_setuid(struct cred *new, const struct cred *old,
int security_task_fix_setgid(struct cred *new, const struct cred *old,
int flags)
{
- return call_int_hook(task_fix_setgid, 0, new, old, flags);
+ return call_int_hook(task_fix_setgid, new, old, flags);
}
/**
@@ -3287,7 +3300,7 @@ int security_task_fix_setgid(struct cred *new, const struct cred *old,
*/
int security_task_fix_setgroups(struct cred *new, const struct cred *old)
{
- return call_int_hook(task_fix_setgroups, 0, new, old);
+ return call_int_hook(task_fix_setgroups, new, old);
}
/**
@@ -3302,7 +3315,7 @@ int security_task_fix_setgroups(struct cred *new, const struct cred *old)
*/
int security_task_setpgid(struct task_struct *p, pid_t pgid)
{
- return call_int_hook(task_setpgid, 0, p, pgid);
+ return call_int_hook(task_setpgid, p, pgid);
}
/**
@@ -3316,7 +3329,7 @@ int security_task_setpgid(struct task_struct *p, pid_t pgid)
*/
int security_task_getpgid(struct task_struct *p)
{
- return call_int_hook(task_getpgid, 0, p);
+ return call_int_hook(task_getpgid, p);
}
/**
@@ -3329,7 +3342,7 @@ int security_task_getpgid(struct task_struct *p)
*/
int security_task_getsid(struct task_struct *p)
{
- return call_int_hook(task_getsid, 0, p);
+ return call_int_hook(task_getsid, p);
}
/**
@@ -3372,7 +3385,7 @@ EXPORT_SYMBOL(security_task_getsecid_obj);
*/
int security_task_setnice(struct task_struct *p, int nice)
{
- return call_int_hook(task_setnice, 0, p, nice);
+ return call_int_hook(task_setnice, p, nice);
}
/**
@@ -3386,7 +3399,7 @@ int security_task_setnice(struct task_struct *p, int nice)
*/
int security_task_setioprio(struct task_struct *p, int ioprio)
{
- return call_int_hook(task_setioprio, 0, p, ioprio);
+ return call_int_hook(task_setioprio, p, ioprio);
}
/**
@@ -3399,7 +3412,7 @@ int security_task_setioprio(struct task_struct *p, int ioprio)
*/
int security_task_getioprio(struct task_struct *p)
{
- return call_int_hook(task_getioprio, 0, p);
+ return call_int_hook(task_getioprio, p);
}
/**
@@ -3416,7 +3429,7 @@ int security_task_getioprio(struct task_struct *p)
int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
unsigned int flags)
{
- return call_int_hook(task_prlimit, 0, cred, tcred, flags);
+ return call_int_hook(task_prlimit, cred, tcred, flags);
}
/**
@@ -3434,7 +3447,7 @@ int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
int security_task_setrlimit(struct task_struct *p, unsigned int resource,
struct rlimit *new_rlim)
{
- return call_int_hook(task_setrlimit, 0, p, resource, new_rlim);
+ return call_int_hook(task_setrlimit, p, resource, new_rlim);
}
/**
@@ -3448,7 +3461,7 @@ int security_task_setrlimit(struct task_struct *p, unsigned int resource,
*/
int security_task_setscheduler(struct task_struct *p)
{
- return call_int_hook(task_setscheduler, 0, p);
+ return call_int_hook(task_setscheduler, p);
}
/**
@@ -3461,7 +3474,7 @@ int security_task_setscheduler(struct task_struct *p)
*/
int security_task_getscheduler(struct task_struct *p)
{
- return call_int_hook(task_getscheduler, 0, p);
+ return call_int_hook(task_getscheduler, p);
}
/**
@@ -3474,7 +3487,7 @@ int security_task_getscheduler(struct task_struct *p)
*/
int security_task_movememory(struct task_struct *p)
{
- return call_int_hook(task_movememory, 0, p);
+ return call_int_hook(task_movememory, p);
}
/**
@@ -3495,7 +3508,7 @@ int security_task_movememory(struct task_struct *p)
int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
int sig, const struct cred *cred)
{
- return call_int_hook(task_kill, 0, p, info, sig, cred);
+ return call_int_hook(task_kill, p, info, sig, cred);
}
/**
@@ -3553,7 +3566,7 @@ void security_task_to_inode(struct task_struct *p, struct inode *inode)
*/
int security_create_user_ns(const struct cred *cred)
{
- return call_int_hook(userns_create, 0, cred);
+ return call_int_hook(userns_create, cred);
}
/**
@@ -3567,7 +3580,7 @@ int security_create_user_ns(const struct cred *cred)
*/
int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
{
- return call_int_hook(ipc_permission, 0, ipcp, flag);
+ return call_int_hook(ipc_permission, ipcp, flag);
}
/**
@@ -3599,7 +3612,7 @@ int security_msg_msg_alloc(struct msg_msg *msg)
if (unlikely(rc))
return rc;
- rc = call_int_hook(msg_msg_alloc_security, 0, msg);
+ rc = call_int_hook(msg_msg_alloc_security, msg);
if (unlikely(rc))
security_msg_msg_free(msg);
return rc;
@@ -3633,7 +3646,7 @@ int security_msg_queue_alloc(struct kern_ipc_perm *msq)
if (unlikely(rc))
return rc;
- rc = call_int_hook(msg_queue_alloc_security, 0, msq);
+ rc = call_int_hook(msg_queue_alloc_security, msq);
if (unlikely(rc))
security_msg_queue_free(msq);
return rc;
@@ -3665,7 +3678,7 @@ void security_msg_queue_free(struct kern_ipc_perm *msq)
*/
int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg)
{
- return call_int_hook(msg_queue_associate, 0, msq, msqflg);
+ return call_int_hook(msg_queue_associate, msq, msqflg);
}
/**
@@ -3680,7 +3693,7 @@ int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg)
*/
int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
{
- return call_int_hook(msg_queue_msgctl, 0, msq, cmd);
+ return call_int_hook(msg_queue_msgctl, msq, cmd);
}
/**
@@ -3697,7 +3710,7 @@ int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
struct msg_msg *msg, int msqflg)
{
- return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg);
+ return call_int_hook(msg_queue_msgsnd, msq, msg, msqflg);
}
/**
@@ -3718,7 +3731,7 @@ int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
struct task_struct *target, long type, int mode)
{
- return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode);
+ return call_int_hook(msg_queue_msgrcv, msq, msg, target, type, mode);
}
/**
@@ -3736,7 +3749,7 @@ int security_shm_alloc(struct kern_ipc_perm *shp)
if (unlikely(rc))
return rc;
- rc = call_int_hook(shm_alloc_security, 0, shp);
+ rc = call_int_hook(shm_alloc_security, shp);
if (unlikely(rc))
security_shm_free(shp);
return rc;
@@ -3769,7 +3782,7 @@ void security_shm_free(struct kern_ipc_perm *shp)
*/
int security_shm_associate(struct kern_ipc_perm *shp, int shmflg)
{
- return call_int_hook(shm_associate, 0, shp, shmflg);
+ return call_int_hook(shm_associate, shp, shmflg);
}
/**
@@ -3784,7 +3797,7 @@ int security_shm_associate(struct kern_ipc_perm *shp, int shmflg)
*/
int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
{
- return call_int_hook(shm_shmctl, 0, shp, cmd);
+ return call_int_hook(shm_shmctl, shp, cmd);
}
/**
@@ -3802,7 +3815,7 @@ int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
int security_shm_shmat(struct kern_ipc_perm *shp,
char __user *shmaddr, int shmflg)
{
- return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg);
+ return call_int_hook(shm_shmat, shp, shmaddr, shmflg);
}
/**
@@ -3820,7 +3833,7 @@ int security_sem_alloc(struct kern_ipc_perm *sma)
if (unlikely(rc))
return rc;
- rc = call_int_hook(sem_alloc_security, 0, sma);
+ rc = call_int_hook(sem_alloc_security, sma);
if (unlikely(rc))
security_sem_free(sma);
return rc;
@@ -3852,7 +3865,7 @@ void security_sem_free(struct kern_ipc_perm *sma)
*/
int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
{
- return call_int_hook(sem_associate, 0, sma, semflg);
+ return call_int_hook(sem_associate, sma, semflg);
}
/**
@@ -3867,7 +3880,7 @@ int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
*/
int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
{
- return call_int_hook(sem_semctl, 0, sma, cmd);
+ return call_int_hook(sem_semctl, sma, cmd);
}
/**
@@ -3885,7 +3898,7 @@ int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
unsigned nsops, int alter)
{
- return call_int_hook(sem_semop, 0, sma, sops, nsops, alter);
+ return call_int_hook(sem_semop, sma, sops, nsops, alter);
}
/**
@@ -4116,11 +4129,11 @@ int security_setprocattr(int lsmid, const char *name, void *value, size_t size)
*/
int security_netlink_send(struct sock *sk, struct sk_buff *skb)
{
- return call_int_hook(netlink_send, 0, sk, skb);
+ return call_int_hook(netlink_send, sk, skb);
}
/**
- * security_ismaclabel() - Check is the named attribute is a MAC label
+ * security_ismaclabel() - Check if the named attribute is a MAC label
* @name: full extended attribute name
*
* Check if the extended attribute specified by @name represents a MAC label.
@@ -4129,7 +4142,7 @@ int security_netlink_send(struct sock *sk, struct sk_buff *skb)
*/
int security_ismaclabel(const char *name)
{
- return call_int_hook(ismaclabel, 0, name);
+ return call_int_hook(ismaclabel, name);
}
EXPORT_SYMBOL(security_ismaclabel);
@@ -4148,20 +4161,7 @@ EXPORT_SYMBOL(security_ismaclabel);
*/
int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
{
- struct security_hook_list *hp;
- int rc;
-
- /*
- * Currently, only one LSM can implement secid_to_secctx (i.e this
- * LSM hook is not "stackable").
- */
- hlist_for_each_entry(hp, &security_hook_heads.secid_to_secctx, list) {
- rc = hp->hook.secid_to_secctx(secid, secdata, seclen);
- if (rc != LSM_RET_DEFAULT(secid_to_secctx))
- return rc;
- }
-
- return LSM_RET_DEFAULT(secid_to_secctx);
+ return call_int_hook(secid_to_secctx, secid, secdata, seclen);
}
EXPORT_SYMBOL(security_secid_to_secctx);
@@ -4178,7 +4178,7 @@ EXPORT_SYMBOL(security_secid_to_secctx);
int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
{
*secid = 0;
- return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid);
+ return call_int_hook(secctx_to_secid, secdata, seclen, secid);
}
EXPORT_SYMBOL(security_secctx_to_secid);
@@ -4225,7 +4225,7 @@ EXPORT_SYMBOL(security_inode_invalidate_secctx);
*/
int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
{
- return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen);
+ return call_int_hook(inode_notifysecctx, inode, ctx, ctxlen);
}
EXPORT_SYMBOL(security_inode_notifysecctx);
@@ -4247,7 +4247,7 @@ EXPORT_SYMBOL(security_inode_notifysecctx);
*/
int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
{
- return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen);
+ return call_int_hook(inode_setsecctx, dentry, ctx, ctxlen);
}
EXPORT_SYMBOL(security_inode_setsecctx);
@@ -4264,19 +4264,7 @@ EXPORT_SYMBOL(security_inode_setsecctx);
*/
int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
{
- struct security_hook_list *hp;
- int rc;
-
- /*
- * Only one module will provide a security context.
- */
- hlist_for_each_entry(hp, &security_hook_heads.inode_getsecctx, list) {
- rc = hp->hook.inode_getsecctx(inode, ctx, ctxlen);
- if (rc != LSM_RET_DEFAULT(inode_getsecctx))
- return rc;
- }
-
- return LSM_RET_DEFAULT(inode_getsecctx);
+ return call_int_hook(inode_getsecctx, inode, ctx, ctxlen);
}
EXPORT_SYMBOL(security_inode_getsecctx);
@@ -4295,7 +4283,7 @@ int security_post_notification(const struct cred *w_cred,
const struct cred *cred,
struct watch_notification *n)
{
- return call_int_hook(post_notification, 0, w_cred, cred, n);
+ return call_int_hook(post_notification, w_cred, cred, n);
}
#endif /* CONFIG_WATCH_QUEUE */
@@ -4311,7 +4299,7 @@ int security_post_notification(const struct cred *w_cred,
*/
int security_watch_key(struct key *key)
{
- return call_int_hook(watch_key, 0, key);
+ return call_int_hook(watch_key, key);
}
#endif /* CONFIG_KEY_NOTIFICATIONS */
@@ -4340,7 +4328,7 @@ int security_watch_key(struct key *key)
int security_unix_stream_connect(struct sock *sock, struct sock *other,
struct sock *newsk)
{
- return call_int_hook(unix_stream_connect, 0, sock, other, newsk);
+ return call_int_hook(unix_stream_connect, sock, other, newsk);
}
EXPORT_SYMBOL(security_unix_stream_connect);
@@ -4366,7 +4354,7 @@ EXPORT_SYMBOL(security_unix_stream_connect);
*/
int security_unix_may_send(struct socket *sock, struct socket *other)
{
- return call_int_hook(unix_may_send, 0, sock, other);
+ return call_int_hook(unix_may_send, sock, other);
}
EXPORT_SYMBOL(security_unix_may_send);
@@ -4383,7 +4371,7 @@ EXPORT_SYMBOL(security_unix_may_send);
*/
int security_socket_create(int family, int type, int protocol, int kern)
{
- return call_int_hook(socket_create, 0, family, type, protocol, kern);
+ return call_int_hook(socket_create, family, type, protocol, kern);
}
/**
@@ -4407,7 +4395,7 @@ int security_socket_create(int family, int type, int protocol, int kern)
int security_socket_post_create(struct socket *sock, int family,
int type, int protocol, int kern)
{
- return call_int_hook(socket_post_create, 0, sock, family, type,
+ return call_int_hook(socket_post_create, sock, family, type,
protocol, kern);
}
@@ -4423,7 +4411,7 @@ int security_socket_post_create(struct socket *sock, int family,
*/
int security_socket_socketpair(struct socket *socka, struct socket *sockb)
{
- return call_int_hook(socket_socketpair, 0, socka, sockb);
+ return call_int_hook(socket_socketpair, socka, sockb);
}
EXPORT_SYMBOL(security_socket_socketpair);
@@ -4442,7 +4430,7 @@ EXPORT_SYMBOL(security_socket_socketpair);
int security_socket_bind(struct socket *sock,
struct sockaddr *address, int addrlen)
{
- return call_int_hook(socket_bind, 0, sock, address, addrlen);
+ return call_int_hook(socket_bind, sock, address, addrlen);
}
/**
@@ -4459,7 +4447,7 @@ int security_socket_bind(struct socket *sock,
int security_socket_connect(struct socket *sock,
struct sockaddr *address, int addrlen)
{
- return call_int_hook(socket_connect, 0, sock, address, addrlen);
+ return call_int_hook(socket_connect, sock, address, addrlen);
}
/**
@@ -4473,7 +4461,7 @@ int security_socket_connect(struct socket *sock,
*/
int security_socket_listen(struct socket *sock, int backlog)
{
- return call_int_hook(socket_listen, 0, sock, backlog);
+ return call_int_hook(socket_listen, sock, backlog);
}
/**
@@ -4489,11 +4477,11 @@ int security_socket_listen(struct socket *sock, int backlog)
*/
int security_socket_accept(struct socket *sock, struct socket *newsock)
{
- return call_int_hook(socket_accept, 0, sock, newsock);
+ return call_int_hook(socket_accept, sock, newsock);
}
/**
- * security_socket_sendmsg() - Check is sending a message is allowed
+ * security_socket_sendmsg() - Check if sending a message is allowed
* @sock: sending socket
* @msg: message to send
* @size: size of message
@@ -4504,7 +4492,7 @@ int security_socket_accept(struct socket *sock, struct socket *newsock)
*/
int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
{
- return call_int_hook(socket_sendmsg, 0, sock, msg, size);
+ return call_int_hook(socket_sendmsg, sock, msg, size);
}
/**
@@ -4521,7 +4509,7 @@ int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
int size, int flags)
{
- return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags);
+ return call_int_hook(socket_recvmsg, sock, msg, size, flags);
}
/**
@@ -4535,7 +4523,7 @@ int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
*/
int security_socket_getsockname(struct socket *sock)
{
- return call_int_hook(socket_getsockname, 0, sock);
+ return call_int_hook(socket_getsockname, sock);
}
/**
@@ -4548,7 +4536,7 @@ int security_socket_getsockname(struct socket *sock)
*/
int security_socket_getpeername(struct socket *sock)
{
- return call_int_hook(socket_getpeername, 0, sock);
+ return call_int_hook(socket_getpeername, sock);
}
/**
@@ -4564,7 +4552,7 @@ int security_socket_getpeername(struct socket *sock)
*/
int security_socket_getsockopt(struct socket *sock, int level, int optname)
{
- return call_int_hook(socket_getsockopt, 0, sock, level, optname);
+ return call_int_hook(socket_getsockopt, sock, level, optname);
}
/**
@@ -4579,7 +4567,7 @@ int security_socket_getsockopt(struct socket *sock, int level, int optname)
*/
int security_socket_setsockopt(struct socket *sock, int level, int optname)
{
- return call_int_hook(socket_setsockopt, 0, sock, level, optname);
+ return call_int_hook(socket_setsockopt, sock, level, optname);
}
/**
@@ -4594,7 +4582,7 @@ int security_socket_setsockopt(struct socket *sock, int level, int optname)
*/
int security_socket_shutdown(struct socket *sock, int how)
{
- return call_int_hook(socket_shutdown, 0, sock, how);
+ return call_int_hook(socket_shutdown, sock, how);
}
/**
@@ -4611,7 +4599,7 @@ int security_socket_shutdown(struct socket *sock, int how)
*/
int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
{
- return call_int_hook(socket_sock_rcv_skb, 0, sk, skb);
+ return call_int_hook(socket_sock_rcv_skb, sk, skb);
}
EXPORT_SYMBOL(security_sock_rcv_skb);
@@ -4633,20 +4621,8 @@ EXPORT_SYMBOL(security_sock_rcv_skb);
int security_socket_getpeersec_stream(struct socket *sock, sockptr_t optval,
sockptr_t optlen, unsigned int len)
{
- struct security_hook_list *hp;
- int rc;
-
- /*
- * Only one module will provide a security context.
- */
- hlist_for_each_entry(hp, &security_hook_heads.socket_getpeersec_stream,
- list) {
- rc = hp->hook.socket_getpeersec_stream(sock, optval, optlen,
- len);
- if (rc != LSM_RET_DEFAULT(socket_getpeersec_stream))
- return rc;
- }
- return LSM_RET_DEFAULT(socket_getpeersec_stream);
+ return call_int_hook(socket_getpeersec_stream, sock, optval, optlen,
+ len);
}
/**
@@ -4666,19 +4642,7 @@ int security_socket_getpeersec_stream(struct socket *sock, sockptr_t optval,
int security_socket_getpeersec_dgram(struct socket *sock,
struct sk_buff *skb, u32 *secid)
{
- struct security_hook_list *hp;
- int rc;
-
- /*
- * Only one module will provide a security context.
- */
- hlist_for_each_entry(hp, &security_hook_heads.socket_getpeersec_dgram,
- list) {
- rc = hp->hook.socket_getpeersec_dgram(sock, skb, secid);
- if (rc != LSM_RET_DEFAULT(socket_getpeersec_dgram))
- return rc;
- }
- return LSM_RET_DEFAULT(socket_getpeersec_dgram);
+ return call_int_hook(socket_getpeersec_dgram, sock, skb, secid);
}
EXPORT_SYMBOL(security_socket_getpeersec_dgram);
@@ -4695,7 +4659,7 @@ EXPORT_SYMBOL(security_socket_getpeersec_dgram);
*/
int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
{
- return call_int_hook(sk_alloc_security, 0, sk, family, priority);
+ return call_int_hook(sk_alloc_security, sk, family, priority);
}
/**
@@ -4776,7 +4740,7 @@ EXPORT_SYMBOL(security_sock_graft);
int security_inet_conn_request(const struct sock *sk,
struct sk_buff *skb, struct request_sock *req)
{
- return call_int_hook(inet_conn_request, 0, sk, skb, req);
+ return call_int_hook(inet_conn_request, sk, skb, req);
}
EXPORT_SYMBOL(security_inet_conn_request);
@@ -4817,7 +4781,7 @@ EXPORT_SYMBOL(security_inet_conn_established);
*/
int security_secmark_relabel_packet(u32 secid)
{
- return call_int_hook(secmark_relabel_packet, 0, secid);
+ return call_int_hook(secmark_relabel_packet, secid);
}
EXPORT_SYMBOL(security_secmark_relabel_packet);
@@ -4854,7 +4818,7 @@ EXPORT_SYMBOL(security_secmark_refcount_dec);
*/
int security_tun_dev_alloc_security(void **security)
{
- return call_int_hook(tun_dev_alloc_security, 0, security);
+ return call_int_hook(tun_dev_alloc_security, security);
}
EXPORT_SYMBOL(security_tun_dev_alloc_security);
@@ -4879,7 +4843,7 @@ EXPORT_SYMBOL(security_tun_dev_free_security);
*/
int security_tun_dev_create(void)
{
- return call_int_hook(tun_dev_create, 0);
+ return call_int_hook(tun_dev_create);
}
EXPORT_SYMBOL(security_tun_dev_create);
@@ -4893,7 +4857,7 @@ EXPORT_SYMBOL(security_tun_dev_create);
*/
int security_tun_dev_attach_queue(void *security)
{
- return call_int_hook(tun_dev_attach_queue, 0, security);
+ return call_int_hook(tun_dev_attach_queue, security);
}
EXPORT_SYMBOL(security_tun_dev_attach_queue);
@@ -4909,7 +4873,7 @@ EXPORT_SYMBOL(security_tun_dev_attach_queue);
*/
int security_tun_dev_attach(struct sock *sk, void *security)
{
- return call_int_hook(tun_dev_attach, 0, sk, security);
+ return call_int_hook(tun_dev_attach, sk, security);
}
EXPORT_SYMBOL(security_tun_dev_attach);
@@ -4924,7 +4888,7 @@ EXPORT_SYMBOL(security_tun_dev_attach);
*/
int security_tun_dev_open(void *security)
{
- return call_int_hook(tun_dev_open, 0, security);
+ return call_int_hook(tun_dev_open, security);
}
EXPORT_SYMBOL(security_tun_dev_open);
@@ -4940,7 +4904,7 @@ EXPORT_SYMBOL(security_tun_dev_open);
int security_sctp_assoc_request(struct sctp_association *asoc,
struct sk_buff *skb)
{
- return call_int_hook(sctp_assoc_request, 0, asoc, skb);
+ return call_int_hook(sctp_assoc_request, asoc, skb);
}
EXPORT_SYMBOL(security_sctp_assoc_request);
@@ -4961,8 +4925,7 @@ EXPORT_SYMBOL(security_sctp_assoc_request);
int security_sctp_bind_connect(struct sock *sk, int optname,
struct sockaddr *address, int addrlen)
{
- return call_int_hook(sctp_bind_connect, 0, sk, optname,
- address, addrlen);
+ return call_int_hook(sctp_bind_connect, sk, optname, address, addrlen);
}
EXPORT_SYMBOL(security_sctp_bind_connect);
@@ -4996,7 +4959,7 @@ EXPORT_SYMBOL(security_sctp_sk_clone);
int security_sctp_assoc_established(struct sctp_association *asoc,
struct sk_buff *skb)
{
- return call_int_hook(sctp_assoc_established, 0, asoc, skb);
+ return call_int_hook(sctp_assoc_established, asoc, skb);
}
EXPORT_SYMBOL(security_sctp_assoc_established);
@@ -5014,7 +4977,7 @@ EXPORT_SYMBOL(security_sctp_assoc_established);
*/
int security_mptcp_add_subflow(struct sock *sk, struct sock *ssk)
{
- return call_int_hook(mptcp_add_subflow, 0, sk, ssk);
+ return call_int_hook(mptcp_add_subflow, sk, ssk);
}
#endif /* CONFIG_SECURITY_NETWORK */
@@ -5032,7 +4995,7 @@ int security_mptcp_add_subflow(struct sock *sk, struct sock *ssk)
*/
int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
{
- return call_int_hook(ib_pkey_access, 0, sec, subnet_prefix, pkey);
+ return call_int_hook(ib_pkey_access, sec, subnet_prefix, pkey);
}
EXPORT_SYMBOL(security_ib_pkey_access);
@@ -5049,8 +5012,7 @@ EXPORT_SYMBOL(security_ib_pkey_access);
int security_ib_endport_manage_subnet(void *sec,
const char *dev_name, u8 port_num)
{
- return call_int_hook(ib_endport_manage_subnet, 0, sec,
- dev_name, port_num);
+ return call_int_hook(ib_endport_manage_subnet, sec, dev_name, port_num);
}
EXPORT_SYMBOL(security_ib_endport_manage_subnet);
@@ -5064,7 +5026,7 @@ EXPORT_SYMBOL(security_ib_endport_manage_subnet);
*/
int security_ib_alloc_security(void **sec)
{
- return call_int_hook(ib_alloc_security, 0, sec);
+ return call_int_hook(ib_alloc_security, sec);
}
EXPORT_SYMBOL(security_ib_alloc_security);
@@ -5097,7 +5059,7 @@ int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
struct xfrm_user_sec_ctx *sec_ctx,
gfp_t gfp)
{
- return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp);
+ return call_int_hook(xfrm_policy_alloc_security, ctxp, sec_ctx, gfp);
}
EXPORT_SYMBOL(security_xfrm_policy_alloc);
@@ -5114,7 +5076,7 @@ EXPORT_SYMBOL(security_xfrm_policy_alloc);
int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
struct xfrm_sec_ctx **new_ctxp)
{
- return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp);
+ return call_int_hook(xfrm_policy_clone_security, old_ctx, new_ctxp);
}
/**
@@ -5139,7 +5101,7 @@ EXPORT_SYMBOL(security_xfrm_policy_free);
*/
int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
{
- return call_int_hook(xfrm_policy_delete_security, 0, ctx);
+ return call_int_hook(xfrm_policy_delete_security, ctx);
}
/**
@@ -5156,7 +5118,7 @@ int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
int security_xfrm_state_alloc(struct xfrm_state *x,
struct xfrm_user_sec_ctx *sec_ctx)
{
- return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx);
+ return call_int_hook(xfrm_state_alloc, x, sec_ctx);
}
EXPORT_SYMBOL(security_xfrm_state_alloc);
@@ -5175,7 +5137,7 @@ EXPORT_SYMBOL(security_xfrm_state_alloc);
int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
struct xfrm_sec_ctx *polsec, u32 secid)
{
- return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid);
+ return call_int_hook(xfrm_state_alloc_acquire, x, polsec, secid);
}
/**
@@ -5188,7 +5150,7 @@ int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
*/
int security_xfrm_state_delete(struct xfrm_state *x)
{
- return call_int_hook(xfrm_state_delete_security, 0, x);
+ return call_int_hook(xfrm_state_delete_security, x);
}
EXPORT_SYMBOL(security_xfrm_state_delete);
@@ -5217,7 +5179,7 @@ void security_xfrm_state_free(struct xfrm_state *x)
*/
int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid)
{
- return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid);
+ return call_int_hook(xfrm_policy_lookup, ctx, fl_secid);
}
/**
@@ -5265,12 +5227,12 @@ int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
*/
int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
{
- return call_int_hook(xfrm_decode_session, 0, skb, secid, 1);
+ return call_int_hook(xfrm_decode_session, skb, secid, 1);
}
void security_skb_classify_flow(struct sk_buff *skb, struct flowi_common *flic)
{
- int rc = call_int_hook(xfrm_decode_session, 0, skb, &flic->flowic_secid,
+ int rc = call_int_hook(xfrm_decode_session, skb, &flic->flowic_secid,
0);
BUG_ON(rc);
@@ -5293,7 +5255,7 @@ EXPORT_SYMBOL(security_skb_classify_flow);
int security_key_alloc(struct key *key, const struct cred *cred,
unsigned long flags)
{
- return call_int_hook(key_alloc, 0, key, cred, flags);
+ return call_int_hook(key_alloc, key, cred, flags);
}
/**
@@ -5320,7 +5282,7 @@ void security_key_free(struct key *key)
int security_key_permission(key_ref_t key_ref, const struct cred *cred,
enum key_need_perm need_perm)
{
- return call_int_hook(key_permission, 0, key_ref, cred, need_perm);
+ return call_int_hook(key_permission, key_ref, cred, need_perm);
}
/**
@@ -5339,7 +5301,26 @@ int security_key_permission(key_ref_t key_ref, const struct cred *cred,
int security_key_getsecurity(struct key *key, char **buffer)
{
*buffer = NULL;
- return call_int_hook(key_getsecurity, 0, key, buffer);
+ return call_int_hook(key_getsecurity, key, buffer);
+}
+
+/**
+ * security_key_post_create_or_update() - Notification of key create or update
+ * @keyring: keyring to which the key is linked to
+ * @key: created or updated key
+ * @payload: data used to instantiate or update the key
+ * @payload_len: length of payload
+ * @flags: key flags
+ * @create: flag indicating whether the key was created or updated
+ *
+ * Notify the caller of a key creation or update.
+ */
+void security_key_post_create_or_update(struct key *keyring, struct key *key,
+ const void *payload, size_t payload_len,
+ unsigned long flags, bool create)
+{
+ call_void_hook(key_post_create_or_update, keyring, key, payload,
+ payload_len, flags, create);
}
#endif /* CONFIG_KEYS */
@@ -5350,15 +5331,17 @@ int security_key_getsecurity(struct key *key, char **buffer)
* @op: rule operator
* @rulestr: rule context
* @lsmrule: receive buffer for audit rule struct
+ * @gfp: GFP flag used for kmalloc
*
* Allocate and initialize an LSM audit rule structure.
*
* Return: Return 0 if @lsmrule has been successfully set, -EINVAL in case of
* an invalid rule.
*/
-int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
+int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule,
+ gfp_t gfp)
{
- return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule);
+ return call_int_hook(audit_rule_init, field, op, rulestr, lsmrule, gfp);
}
/**
@@ -5372,7 +5355,7 @@ int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
*/
int security_audit_rule_known(struct audit_krule *krule)
{
- return call_int_hook(audit_rule_known, 0, krule);
+ return call_int_hook(audit_rule_known, krule);
}
/**
@@ -5402,7 +5385,7 @@ void security_audit_rule_free(void *lsmrule)
*/
int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule)
{
- return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule);
+ return call_int_hook(audit_rule_match, secid, field, op, lsmrule);
}
#endif /* CONFIG_AUDIT */
@@ -5421,7 +5404,7 @@ int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule)
*/
int security_bpf(int cmd, union bpf_attr *attr, unsigned int size)
{
- return call_int_hook(bpf, 0, cmd, attr, size);
+ return call_int_hook(bpf, cmd, attr, size);
}
/**
@@ -5436,7 +5419,7 @@ int security_bpf(int cmd, union bpf_attr *attr, unsigned int size)
*/
int security_bpf_map(struct bpf_map *map, fmode_t fmode)
{
- return call_int_hook(bpf_map, 0, map, fmode);
+ return call_int_hook(bpf_map, map, fmode);
}
/**
@@ -5450,33 +5433,91 @@ int security_bpf_map(struct bpf_map *map, fmode_t fmode)
*/
int security_bpf_prog(struct bpf_prog *prog)
{
- return call_int_hook(bpf_prog, 0, prog);
+ return call_int_hook(bpf_prog, prog);
}
/**
- * security_bpf_map_alloc() - Allocate a bpf map LSM blob
- * @map: bpf map
+ * security_bpf_map_create() - Check if BPF map creation is allowed
+ * @map: BPF map object
+ * @attr: BPF syscall attributes used to create BPF map
+ * @token: BPF token used to grant user access
*
- * Initialize the security field inside bpf map.
+ * Do a check when the kernel creates a new BPF map. This is also the
+ * point where LSM blob is allocated for LSMs that need them.
*
* Return: Returns 0 on success, error on failure.
*/
-int security_bpf_map_alloc(struct bpf_map *map)
+int security_bpf_map_create(struct bpf_map *map, union bpf_attr *attr,
+ struct bpf_token *token)
{
- return call_int_hook(bpf_map_alloc_security, 0, map);
+ return call_int_hook(bpf_map_create, map, attr, token);
}
/**
- * security_bpf_prog_alloc() - Allocate a bpf program LSM blob
- * @aux: bpf program aux info struct
+ * security_bpf_prog_load() - Check if loading of BPF program is allowed
+ * @prog: BPF program object
+ * @attr: BPF syscall attributes used to create BPF program
+ * @token: BPF token used to grant user access to BPF subsystem
*
- * Initialize the security field inside bpf program.
+ * Perform an access control check when the kernel loads a BPF program and
+ * allocates associated BPF program object. This hook is also responsible for
+ * allocating any required LSM state for the BPF program.
*
* Return: Returns 0 on success, error on failure.
*/
-int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
+int security_bpf_prog_load(struct bpf_prog *prog, union bpf_attr *attr,
+ struct bpf_token *token)
{
- return call_int_hook(bpf_prog_alloc_security, 0, aux);
+ return call_int_hook(bpf_prog_load, prog, attr, token);
+}
+
+/**
+ * security_bpf_token_create() - Check if creating of BPF token is allowed
+ * @token: BPF token object
+ * @attr: BPF syscall attributes used to create BPF token
+ * @path: path pointing to BPF FS mount point from which BPF token is created
+ *
+ * Do a check when the kernel instantiates a new BPF token object from BPF FS
+ * instance. This is also the point where LSM blob can be allocated for LSMs.
+ *
+ * Return: Returns 0 on success, error on failure.
+ */
+int security_bpf_token_create(struct bpf_token *token, union bpf_attr *attr,
+ struct path *path)
+{
+ return call_int_hook(bpf_token_create, token, attr, path);
+}
+
+/**
+ * security_bpf_token_cmd() - Check if BPF token is allowed to delegate
+ * requested BPF syscall command
+ * @token: BPF token object
+ * @cmd: BPF syscall command requested to be delegated by BPF token
+ *
+ * Do a check when the kernel decides whether provided BPF token should allow
+ * delegation of requested BPF syscall command.
+ *
+ * Return: Returns 0 on success, error on failure.
+ */
+int security_bpf_token_cmd(const struct bpf_token *token, enum bpf_cmd cmd)
+{
+ return call_int_hook(bpf_token_cmd, token, cmd);
+}
+
+/**
+ * security_bpf_token_capable() - Check if BPF token is allowed to delegate
+ * requested BPF-related capability
+ * @token: BPF token object
+ * @cap: capabilities requested to be delegated by BPF token
+ *
+ * Do a check when the kernel decides whether provided BPF token should allow
+ * delegation of requested BPF-related capabilities.
+ *
+ * Return: Returns 0 on success, error on failure.
+ */
+int security_bpf_token_capable(const struct bpf_token *token, int cap)
+{
+ return call_int_hook(bpf_token_capable, token, cap);
}
/**
@@ -5487,18 +5528,29 @@ int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
*/
void security_bpf_map_free(struct bpf_map *map)
{
- call_void_hook(bpf_map_free_security, map);
+ call_void_hook(bpf_map_free, map);
+}
+
+/**
+ * security_bpf_prog_free() - Free a BPF program's LSM blob
+ * @prog: BPF program struct
+ *
+ * Clean up the security information stored inside BPF program.
+ */
+void security_bpf_prog_free(struct bpf_prog *prog)
+{
+ call_void_hook(bpf_prog_free, prog);
}
/**
- * security_bpf_prog_free() - Free a bpf program's LSM blob
- * @aux: bpf program aux info struct
+ * security_bpf_token_free() - Free a BPF token's LSM blob
+ * @token: BPF token struct
*
- * Clean up the security information stored inside bpf prog.
+ * Clean up the security information stored inside BPF token.
*/
-void security_bpf_prog_free(struct bpf_prog_aux *aux)
+void security_bpf_token_free(struct bpf_token *token)
{
- call_void_hook(bpf_prog_free_security, aux);
+ call_void_hook(bpf_token_free, token);
}
#endif /* CONFIG_BPF_SYSCALL */
@@ -5513,7 +5565,7 @@ void security_bpf_prog_free(struct bpf_prog_aux *aux)
*/
int security_locked_down(enum lockdown_reason what)
{
- return call_int_hook(locked_down, 0, what);
+ return call_int_hook(locked_down, what);
}
EXPORT_SYMBOL(security_locked_down);
@@ -5529,7 +5581,7 @@ EXPORT_SYMBOL(security_locked_down);
*/
int security_perf_event_open(struct perf_event_attr *attr, int type)
{
- return call_int_hook(perf_event_open, 0, attr, type);
+ return call_int_hook(perf_event_open, attr, type);
}
/**
@@ -5542,7 +5594,7 @@ int security_perf_event_open(struct perf_event_attr *attr, int type)
*/
int security_perf_event_alloc(struct perf_event *event)
{
- return call_int_hook(perf_event_alloc, 0, event);
+ return call_int_hook(perf_event_alloc, event);
}
/**
@@ -5566,7 +5618,7 @@ void security_perf_event_free(struct perf_event *event)
*/
int security_perf_event_read(struct perf_event *event)
{
- return call_int_hook(perf_event_read, 0, event);
+ return call_int_hook(perf_event_read, event);
}
/**
@@ -5579,7 +5631,7 @@ int security_perf_event_read(struct perf_event *event)
*/
int security_perf_event_write(struct perf_event *event)
{
- return call_int_hook(perf_event_write, 0, event);
+ return call_int_hook(perf_event_write, event);
}
#endif /* CONFIG_PERF_EVENTS */
@@ -5595,7 +5647,7 @@ int security_perf_event_write(struct perf_event *event)
*/
int security_uring_override_creds(const struct cred *new)
{
- return call_int_hook(uring_override_creds, 0, new);
+ return call_int_hook(uring_override_creds, new);
}
/**
@@ -5608,7 +5660,7 @@ int security_uring_override_creds(const struct cred *new)
*/
int security_uring_sqpoll(void)
{
- return call_int_hook(uring_sqpoll, 0);
+ return call_int_hook(uring_sqpoll);
}
/**
@@ -5621,6 +5673,6 @@ int security_uring_sqpoll(void)
*/
int security_uring_cmd(struct io_uring_cmd *ioucmd)
{
- return call_int_hook(uring_cmd, 0, ioucmd);
+ return call_int_hook(uring_cmd, ioucmd);
}
#endif /* CONFIG_IO_URING */