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Revert "[1.0] Drop Non-GKI Support (#1483)"

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This reverts commit 97d70b40fc.
This commit is contained in:
Rifat Azad
2024-12-24 06:54:08 +06:00
parent 8d2b017c96
commit 1a84f69f5c
14 changed files with 581 additions and 11 deletions
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15
kernel/selinux/rules.c
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@@ -9,7 +9,9 @@
#include "linux/lsm_audit.h"
#include "xfrm.h"
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 10, 0)
#define SELINUX_POLICY_INSTEAD_SELINUX_SS
#endif
#define KERNEL_SU_DOMAIN "su"
#define KERNEL_SU_FILE "ksu_file"
@@ -19,8 +21,18 @@
static struct policydb *get_policydb(void)
{
struct policydb *db;
// selinux_state does not exists before 4.19
#ifdef KSU_COMPAT_USE_SELINUX_STATE
#ifdef SELINUX_POLICY_INSTEAD_SELINUX_SS
struct selinux_policy *policy = rcu_dereference(selinux_state.policy);
db = &policy->policydb;
#else
struct selinux_ss *ss = rcu_dereference(selinux_state.ss);
db = &ss->policydb;
#endif
#else
db = &policydb;
#endif
return db;
}
@@ -169,7 +181,8 @@ 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(6, 4, 0))
#if ((!defined(KSU_COMPAT_USE_SELINUX_STATE)) || \
LINUX_VERSION_CODE >= KERNEL_VERSION(6, 4, 0))
avc_ss_reset(0);
selnl_notify_policyload(0);
selinux_status_update_policyload(0);