Re: [PATCH v1 4/8] LSM: Maintain a table of LSM attribute data
From: Casey Schaufler <casey@schaufler-ca.com>
Date: 2022-10-27 00:38:32
Also in:
linux-security-module, lkml
Possibly related (same subject, not in this thread)
- 2022-11-23 · [PATCH v1 4/8] LSM: Maintain a table of LSM attribute data · Casey Schaufler <casey@schaufler-ca.com>
On 10/25/2022 11:00 PM, Greg KH wrote:
On Tue, Oct 25, 2022 at 11:45:15AM -0700, Casey Schaufler wrote:quoted
As LSMs are registered add their lsm_id pointers to a table. This will be used later for attribute reporting. Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> --- include/linux/security.h | 17 +++++++++++++++++ security/security.c | 18 ++++++++++++++++++ 2 files changed, 35 insertions(+)diff --git a/include/linux/security.h b/include/linux/security.h index ca1b7109c0db..e1678594d983 100644 --- a/include/linux/security.h +++ b/include/linux/security.h@@ -138,6 +138,23 @@ enum lockdown_reason { extern const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1]; +#define LSMID_ENTRIES ( \ + 1 + /* capabilities */ \No #define for capabilities?
Nope. There isn't one. CONFIG_SECURITY takes care of it.
quoted
+ (IS_ENABLED(CONFIG_SECURITY_SELINUX) ? 1 : 0) + \ + (IS_ENABLED(CONFIG_SECURITY_SMACK) ? 1 : 0) + \ + (IS_ENABLED(CONFIG_SECURITY_TOMOYO) ? 1 : 0) + \ + (IS_ENABLED(CONFIG_SECURITY_IMA) ? 1 : 0) + \ + (IS_ENABLED(CONFIG_SECURITY_APPARMOR) ? 1 : 0) + \ + (IS_ENABLED(CONFIG_SECURITY_YAMA) ? 1 : 0) + \ + (IS_ENABLED(CONFIG_SECURITY_LOADPIN) ? 1 : 0) + \ + (IS_ENABLED(CONFIG_SECURITY_SAFESETID) ? 1 : 0) + \ + (IS_ENABLED(CONFIG_SECURITY_LOCKDOWN) ? 1 : 0) + \ + (IS_ENABLED(CONFIG_BPF_LSM) ? 1 : 0) + \ + (IS_ENABLED(CONFIG_SECURITY_LANDLOCK) ? 1 : 0)) + +extern int lsm_id;u64?
u32. I doubt we'll get more than 32K security modules.
thanks, greg k-h