343c6452cf
When calling get_full_comm() within system call hooks, current->mm may be null (prctl). A fallback mechanism for current->comm must be added beforehand to prevent null pointer dereferences when accessing mm->arg_start/arg_end. Signed-off-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
#ifndef __KSU_SULOG_H
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#define __KSU_SULOG_H
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#include <linux/types.h>
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#include <linux/version.h>
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#define __SULOG_GATE 1
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#if __SULOG_GATE
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extern struct timezone sys_tz;
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#define SULOG_PATH "/data/adb/ksu/log/sulog.log"
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#define SULOG_MAX_SIZE (128 * 1024 * 1024) // 128MB
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#define SULOG_ENTRY_MAX_LEN 512
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#define SULOG_COMM_LEN 256
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#define DEDUP_SECS 10
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struct dedup_key {
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u32 crc;
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uid_t uid;
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u8 type;
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u8 _pad[1];
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};
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struct dedup_entry {
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struct dedup_key key;
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u64 ts_ns;
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};
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enum {
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DEDUP_SU_GRANT = 0,
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DEDUP_SU_ATTEMPT,
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DEDUP_PERM_CHECK,
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DEDUP_MANAGER_OP,
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DEDUP_SYSCALL,
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};
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static inline u32 dedup_calc_hash(const char *content, size_t len)
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{
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return crc32(0, content, len);
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}
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struct sulog_entry {
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struct list_head list;
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char content[SULOG_ENTRY_MAX_LEN];
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};
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void ksu_sulog_report_su_grant(uid_t uid, const char *comm, const char *method);
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void ksu_sulog_report_su_attempt(uid_t uid, const char *comm, const char *target_path, bool success);
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void ksu_sulog_report_permission_check(uid_t uid, const char *comm, bool allowed);
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void ksu_sulog_report_manager_operation(const char *operation, uid_t manager_uid, uid_t target_uid);
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void ksu_sulog_report_syscall(uid_t uid, const char *comm, const char *syscall, const char *args);
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int ksu_sulog_init(void);
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void ksu_sulog_exit(void);
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#endif // __SULOG_GATE
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#endif /* __KSU_SULOG_H */ |