94 lines
2.3 KiB
C
94 lines
2.3 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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#include <linux/crc32.h> // needed for function dedup_calc_hash
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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 (32 * 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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#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 10, 0)
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static inline size_t strlcpy(char *dest, const char *src, size_t size)
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{
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return strscpy(dest, src, size);
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}
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#endif
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#define KSU_STRSCPY(dst, src, size) \
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do { \
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if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0)) { \
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strscpy(dst, src, size); \
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} else { \
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strlcpy(dst, src, size); \
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} \
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} while (0)
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#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 8, 0)
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#include <linux/rtc.h>
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static inline void time64_to_tm(time64_t totalsecs, int offset, struct tm *result)
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{
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struct rtc_time rtc_tm;
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rtc_time64_to_tm(totalsecs, &rtc_tm);
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result->tm_sec = rtc_tm.tm_sec;
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result->tm_min = rtc_tm.tm_min;
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result->tm_hour = rtc_tm.tm_hour;
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result->tm_mday = rtc_tm.tm_mday;
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result->tm_mon = rtc_tm.tm_mon;
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result->tm_year = rtc_tm.tm_year;
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}
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#endif
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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 */
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