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# SPDX-License-Identifier: GPL-2.0-only
config SECURITY_SMACK
bool "Simplified Mandatory Access Control Kernel Support"
depends on NET
depends on INET
depends on SECURITY
select NETLABEL
select SECURITY_NETWORK
default n
help
This selects the Simplified Mandatory Access Control Kernel.
Smack is useful for sensitivity, integrity, and a variety
of other mandatory security schemes.
If you are unsure how to answer this question, answer N.
config SECURITY_SMACK_BRINGUP
bool "Reporting on access granted by Smack rules"
depends on SECURITY_SMACK
default n
help
Enable the bring-up ("b") access mode in Smack rules.
When access is granted by a rule with the "b" mode a
message about the access requested is generated. The
intention is that a process can be granted a wide set
of access initially with the bringup mode set on the
rules. The developer can use the information to
identify which rules are necessary and what accesses
may be inappropriate. The developer can reduce the
access rule set once the behavior is well understood.
This is a superior mechanism to the oft abused
"permissive" mode of other systems.
If you are unsure how to answer this question, answer N.
config SECURITY_SMACK_NETFILTER
bool "Packet marking using secmarks for netfilter"
depends on SECURITY_SMACK
depends on NETWORK_SECMARK
depends on NETFILTER
default n
help
This enables security marking of network packets using
Smack labels.
If you are unsure how to answer this question, answer N.
config SECURITY_SMACK_APPEND_SIGNALS
bool "Treat delivering signals as an append operation"
depends on SECURITY_SMACK
default n
help
Sending a signal has been treated as a write operation to the
receiving process. If this option is selected, the delivery
will be an append operation instead. This makes it possible
to differentiate between delivering a network packet and
delivering a signal in the Smack rules.
If you are unsure how to answer this question, answer N.
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