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kernel/manager/ksud: Add switch functionality to sulog

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Signed-off-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
This commit is contained in:
ShirkNeko
2025-11-16 16:53:55 +08:00
parent c8020b2066
commit c4d8c49e5c
11 changed files with 135 additions and 11 deletions
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30
kernel/sulog.c
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@@ -17,6 +17,7 @@
#include "sulog.h"
#include "ksu.h"
#include "feature.h"
#if __SULOG_GATE
@@ -25,7 +26,28 @@ static DEFINE_SPINLOCK(dedup_lock);
static LIST_HEAD(sulog_queue);
static struct workqueue_struct *sulog_workqueue;
static struct work_struct sulog_work;
static bool sulog_enabled = true;
static bool sulog_enabled __read_mostly = true;
static int sulog_feature_get(u64 *value)
{
*value = sulog_enabled ? 1 : 0;
return 0;
}
static int sulog_feature_set(u64 value)
{
bool enable = value != 0;
sulog_enabled = enable;
pr_info("sulog: set to %d\n", enable);
return 0;
}
static const struct ksu_feature_handler sulog_handler = {
.feature_id = KSU_FEATURE_SULOG,
.name = "sulog",
.get_handler = sulog_feature_get,
.set_handler = sulog_feature_set,
};
static void get_timestamp(char *buf, size_t len)
{
@@ -304,6 +326,10 @@ void ksu_sulog_report_syscall(uid_t uid, const char *comm, const char *syscall,
int ksu_sulog_init(void)
{
if (ksu_register_feature_handler(&sulog_handler)) {
pr_err("Failed to register su_compat feature handler\n");
}
sulog_workqueue = alloc_workqueue("ksu_sulog", WQ_UNBOUND | WQ_HIGHPRI, 1);
if (!sulog_workqueue) {
pr_err("sulog: failed to create workqueue\n");
@@ -320,6 +346,8 @@ void ksu_sulog_exit(void)
struct sulog_entry *entry, *tmp;
unsigned long flags;
ksu_unregister_feature_handler(KSU_FEATURE_SULOG);
sulog_enabled = false;
if (sulog_workqueue) {