On 9/12/18 23:29, James Morris wrote: > Adding the SARA and LandLock authors for review & comment. > > Salvatore & Mickaël: does this patchset meet your needs for merging to > mainline? It almost does! For now, I need the task_struct, cred, inode and file security blobs. Only the task_struct one is missing. FYI, the capitalization of Landlock is not consistent in all commit messages. :) Thanks, Mickaël > > > > On Tue, 11 Sep 2018, Casey Schaufler wrote: > >> LSM: Module stacking in support of S.A.R.A and Landlock >> >> v2: Reduce the patchset to what is required to support >> the proposed S.A.R.A. and LandLock security modules >> >> The S.A.R.A. security module is intended to be used >> in conjunction with other security modules. It requires >> state to be maintained for the credential, which >> in turn requires a mechanism for sharing the credential >> security blob. The module also requires mechanism for >> user space manipulation of the credential information, >> hence an additional subdirectory in /proc/.../attr. >> >> The LandLock security module provides user configurable >> policy in the secmark mechanism. It requires data in >> the credential, file and inode security blobs. For this >> to be used along side the existing "major" security >> modules mechanism for sharing these blobs is provided. >> >> A side effect of providing sharing of the crendential >> security blob is that the TOMOYO module can be used at >> the same time as the other "major" modules. >> >> The mechanism for configuring which security modules are >> enabled has to change when stacking in enabled. Any >> module that uses just the security blobs that are shared >> can be selected. Additionally, one other "major" module >> can be selected. >> >> The security module stacking issues around networking and >> IPC are not addressed here as they are beyond what is >> required for TOMOYO, S.A.R.A and LandLock. >> >> git://github.com/cschaufler/lsm-stacking.git#stacking-4.19-rc2-saralock >> >> Signed-off-by: Casey Schaufler <casey@xxxxxxxxxxxxxxxx> >> --- >> Documentation/admin-guide/LSM/index.rst | 23 ++- >> fs/proc/base.c | 64 ++++++- >> fs/proc/internal.h | 1 + >> include/linux/lsm_hooks.h | 20 ++- >> include/linux/security.h | 15 +- >> kernel/cred.c | 13 -- >> security/Kconfig | 92 ++++++++++ >> security/apparmor/domain.c | 2 +- >> security/apparmor/include/cred.h | 24 ++- >> security/apparmor/include/file.h | 9 +- >> security/apparmor/include/lib.h | 4 + >> security/apparmor/lsm.c | 53 ++++-- >> security/apparmor/task.c | 6 +- >> security/security.c | 293 ++++++++++++++++++++++++++++++-- >> security/selinux/hooks.c | 215 ++++++++--------------- >> security/selinux/include/objsec.h | 37 +++- >> security/selinux/selinuxfs.c | 5 +- >> security/selinux/xfrm.c | 4 +- >> security/smack/smack.h | 42 ++++- >> security/smack/smack_access.c | 4 +- >> security/smack/smack_lsm.c | 283 +++++++++++------------------- >> security/smack/smackfs.c | 18 +- >> security/tomoyo/common.h | 31 +++- >> security/tomoyo/domain.c | 4 +- >> security/tomoyo/securityfs_if.c | 15 +- >> security/tomoyo/tomoyo.c | 57 +++++-- >> 26 files changed, 899 insertions(+), 435 deletions(-) >> >
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