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This is in preparation to add a helper for BPF LSM programs to use IMA hashes when attached to LSM hooks. There are LSM hooks like inode_unlink which do not have a struct file * argument and cannot use the existing ima_file_hash API. An inode based API is, therefore, useful in LSM based detections like an executable trying to delete itself which rely on the inode_unlink LSM hook. Moreover, the ima_file_hash function does nothing with the struct file pointer apart from calling file_inode on it and converting it to an inode. Signed-off-by: KP Singh <kpsingh@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Yonghong Song <yhs@fb.com> Acked-by: Mimi Zohar <zohar@linux.ibm.com> Link: https://lore.kernel.org/bpf/20201124151210.1081188-2-kpsingh@chromium.org |
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| .. | ||
| ima_api.c | ||
| ima_appraise.c | ||
| ima_asymmetric_keys.c | ||
| ima_crypto.c | ||
| ima_fs.c | ||
| ima_init.c | ||
| ima_kexec.c | ||
| ima_main.c | ||
| ima_modsig.c | ||
| ima_mok.c | ||
| ima_policy.c | ||
| ima_queue_keys.c | ||
| ima_queue.c | ||
| ima_template_lib.c | ||
| ima_template_lib.h | ||
| ima_template.c | ||
| ima.h | ||
| Kconfig | ||
| Makefile | ||