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use selinux_state for 4.9.212+ (#245)

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_selinux_state_ is backported to 4.9 kernel with the 4.9.212 release,
use it to fix the build.
many thanks to @reallysnow for figuring this out.
inspired by
d7c2c5f02a
This commit is contained in:
Enes Sastim
2023-02-15 04:39:16 +01:00
committed by GitHub
parent 2c3dcae117
commit 8fbdd996de
2 changed files with 8 additions and 8 deletions
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6
kernel/selinux/rules.c
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@@ -22,7 +22,7 @@ static struct policydb *get_policydb(void)
{
struct policydb *db;
// selinux_state does not exists before 4.19
#if LINUX_VERSION_CODE > KERNEL_VERSION(4, 14, 0)
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 212)
#ifdef SELINUX_POLICY_INSTEAD_SELINUX_SS
struct selinux_policy *policy = rcu_dereference(selinux_state.policy);
db = &policy->policydb;
@@ -170,7 +170,7 @@ static int get_object(char *buf, char __user *user_object, size_t buf_sz,
// reset avc cache table, otherwise the new rules will not take effect if already denied
static void reset_avc_cache() {
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 14, 163)
#if ((KERNEL_VERSION(4, 14, 0) <= LINUX_VERSION_CODE) && (LINUX_VERSION_CODE < KERNEL_VERSION(4, 14, 163))) || (LINUX_VERSION_CODE < KERNEL_VERSION(4, 9, 212))
avc_ss_reset(0);
selnl_notify_policyload(0);
selinux_status_update_policyload(0);
@@ -462,4 +462,4 @@ exit:
reset_avc_cache();
return ret;
}
}