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In preparation to move IMA and EVM to the LSM infrastructure, introduce the file_post_open hook. Also, export security_file_post_open() for NFS. Based on policy, IMA calculates the digest of the file content and extends the TPM with the digest, verifies the file's integrity based on the digest, and/or includes the file digest in the audit log. LSMs could similarly take action depending on the file content and the access mask requested with open(). The new hook returns a value and can cause the open to be aborted. Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com> Reviewed-by: Stefan Berger <stefanb@linux.ibm.com> Acked-by: Casey Schaufler <casey@schaufler-ca.com> Reviewed-by: Mimi Zohar <zohar@linux.ibm.com> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Paul Moore <paul@paul-moore.com> |
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.. | ||
apparmor | ||
bpf | ||
integrity | ||
keys | ||
landlock | ||
loadpin | ||
lockdown | ||
safesetid | ||
selinux | ||
smack | ||
tomoyo | ||
yama | ||
commoncap.c | ||
device_cgroup.c | ||
inode.c | ||
Kconfig | ||
Kconfig.hardening | ||
lsm_audit.c | ||
lsm_syscalls.c | ||
Makefile | ||
min_addr.c | ||
security.c |