X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=security%2FKconfig;h=226b9556b25f829384c107196d0110bdf75ef876;hb=b9035b1fd7933c11e68dbbf49b530cc43bf1da65;hp=460e5c9cf496c725b830d8f34bc8dcf0bd8bff56;hpb=3bc1fa8ae18f281b40903cce94baba10c3cf9d88;p=safe%2Fjmp%2Flinux-2.6 diff --git a/security/Kconfig b/security/Kconfig index 460e5c9..226b955 100644 --- a/security/Kconfig +++ b/security/Kconfig @@ -51,6 +51,15 @@ config SECURITY If you are unsure how to answer this question, answer N. +config SECURITYFS + bool "Enable the securityfs filesystem" + help + This will build the securityfs filesystem. It is currently used by + the TPM bios character driver and IMA, an integrity provider. It is + not used by SELinux or SMACK. + + If you are unsure how to answer this question, answer N. + config SECURITY_NETWORK bool "Socket and Networking Security Hooks" depends on SECURITY @@ -73,27 +82,98 @@ config SECURITY_NETWORK_XFRM IPSec. If you are unsure how to answer this question, answer N. -config SECURITY_CAPABILITIES - tristate "Default Linux Capabilities" +config SECURITY_PATH + bool "Security hooks for pathname based access control" depends on SECURITY help - This enables the "default" Linux capabilities functionality. - If you are unsure how to answer this question, answer Y. + This enables the security hooks for pathname based access control. + If enabled, a security module can use these hooks to + implement pathname based access controls. + If you are unsure how to answer this question, answer N. -config SECURITY_ROOTPLUG - tristate "Root Plug Support" - depends on USB && SECURITY +config INTEL_TXT + bool "Enable Intel(R) Trusted Execution Technology (Intel(R) TXT)" + depends on HAVE_INTEL_TXT help - This is a sample LSM module that should only be used as such. - It prevents any programs running with egid == 0 if a specific - USB device is not present in the system. + This option enables support for booting the kernel with the + Trusted Boot (tboot) module. This will utilize + Intel(R) Trusted Execution Technology to perform a measured launch + of the kernel. If the system does not support Intel(R) TXT, this + will have no effect. + + Intel TXT will provide higher assurance of system configuration and + initial state as well as data reset protection. This is used to + create a robust initial kernel measurement and verification, which + helps to ensure that kernel security mechanisms are functioning + correctly. This level of protection requires a root of trust outside + of the kernel itself. + + Intel TXT also helps solve real end user concerns about having + confidence that their hardware is running the VMM or kernel that + it was configured with, especially since they may be responsible for + providing such assurances to VMs and services running on it. + + See for more information + about Intel(R) TXT. + See for more information about tboot. + See Documentation/intel_txt.txt for a description of how to enable + Intel TXT support in a kernel boot. - See for - more information about this module. - - If you are unsure how to answer this question, answer N. + If you are unsure as to whether this is required, answer N. + +config LSM_MMAP_MIN_ADDR + int "Low address space for LSM to protect from user allocation" + depends on SECURITY && SECURITY_SELINUX + default 65536 + help + This is the portion of low virtual memory which should be protected + from userspace allocation. Keeping a user from writing to low pages + can help reduce the impact of kernel NULL pointer bugs. + + For most ia64, ppc64 and x86 users with lots of address space + a value of 65536 is reasonable and should cause no problems. + On arm and other archs it should not be higher than 32768. + Programs which use vm86 functionality or have some need to map + this low address space will need the permission specific to the + systems running LSM. source security/selinux/Kconfig +source security/smack/Kconfig +source security/tomoyo/Kconfig + +source security/integrity/ima/Kconfig + +choice + prompt "Default security module" + default DEFAULT_SECURITY_SELINUX if SECURITY_SELINUX + default DEFAULT_SECURITY_SMACK if SECURITY_SMACK + default DEFAULT_SECURITY_TOMOYO if SECURITY_TOMOYO + default DEFAULT_SECURITY_DAC + + help + Select the security module that will be used by default if the + kernel parameter security= is not specified. + + config DEFAULT_SECURITY_SELINUX + bool "SELinux" if SECURITY_SELINUX=y + + config DEFAULT_SECURITY_SMACK + bool "Simplified Mandatory Access Control" if SECURITY_SMACK=y + + config DEFAULT_SECURITY_TOMOYO + bool "TOMOYO" if SECURITY_TOMOYO=y + + config DEFAULT_SECURITY_DAC + bool "Unix Discretionary Access Controls" + +endchoice + +config DEFAULT_SECURITY + string + default "selinux" if DEFAULT_SECURITY_SELINUX + default "smack" if DEFAULT_SECURITY_SMACK + default "tomoyo" if DEFAULT_SECURITY_TOMOYO + default "" if DEFAULT_SECURITY_DAC endmenu