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| author | Thomas Cedeno <thomascedeno@google.com> | 2020-06-09 10:22:13 -0700 |
|---|---|---|
| committer | Micah Morton <mortonm@chromium.org> | 2020-06-14 10:52:02 -0700 |
| commit | 39030e1351aa1aa7443bb2da24426573077c83da (patch) | |
| tree | f593d47dfb088f59bf3db1ce3be5ddc475af6218 /include/linux/lsm_hook_defs.h | |
| parent | 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 (diff) | |
| download | lwn-39030e1351aa1aa7443bb2da24426573077c83da.tar.gz lwn-39030e1351aa1aa7443bb2da24426573077c83da.zip | |
security: Add LSM hooks to set*gid syscalls
The SafeSetID LSM uses the security_task_fix_setuid hook to filter
set*uid() syscalls according to its configured security policy. In
preparation for adding analagous support in the LSM for set*gid()
syscalls, we add the requisite hook here. Tested by putting print
statements in the security_task_fix_setgid hook and seeing them get hit
during kernel boot.
Signed-off-by: Thomas Cedeno <thomascedeno@google.com>
Signed-off-by: Micah Morton <mortonm@chromium.org>
Diffstat (limited to 'include/linux/lsm_hook_defs.h')
| -rw-r--r-- | include/linux/lsm_hook_defs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h index 5616b2567aa7..2a5a53a83ecb 100644 --- a/include/linux/lsm_hook_defs.h +++ b/include/linux/lsm_hook_defs.h @@ -190,6 +190,8 @@ LSM_HOOK(int, 0, kernel_post_read_file, struct file *file, char *buf, loff_t size, enum kernel_read_file_id id) LSM_HOOK(int, 0, task_fix_setuid, struct cred *new, const struct cred *old, int flags) +LSM_HOOK(int, 0, task_fix_setgid, struct cred *new, const struct cred * old, + int flags) LSM_HOOK(int, 0, task_setpgid, struct task_struct *p, pid_t pgid) LSM_HOOK(int, 0, task_getpgid, struct task_struct *p) LSM_HOOK(int, 0, task_getsid, struct task_struct *p) |