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Kernel: Enable processes with corresponding UIDs to utilise netlink, and optimise netlink functionality

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ShirkNeko
2025-11-05 16:02:40 +08:00
parent 766b6d2c76
commit f9f75d73d8
3 changed files with 161 additions and 43 deletions
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36
kernel/ksu_netlink.h
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@@ -4,17 +4,43 @@
#include <linux/netlink.h>
#include <linux/skbuff.h>
#include <net/sock.h>
#include <linux/net.h>
#define KSU_NETLINK_PROTOCOL 2
#define KSU_NETLINK_CMD_MANUAL_SU 50
#define KSU_NETLINK_PROTOCOL 11
struct ksu_netlink_msg {
int cmd;
#define KSU_NETLINK_CMD_MANUAL_SU 100
struct ksu_netlink_hdr {
int cmd; // Command ID
int result; // Result code (output)
};
#ifdef CONFIG_KSU_MANUAL_SU
struct ksu_netlink_manual_su {
struct ksu_netlink_hdr hdr;
int option;
uid_t target_uid;
pid_t target_pid;
char token_buffer[33];
int result;
};
#endif
union ksu_netlink_msg {
struct ksu_netlink_hdr hdr;
#ifdef CONFIG_KSU_MANUAL_SU
struct ksu_netlink_manual_su manual_su;
#endif
};
typedef int (*ksu_netlink_handler_t)(struct sk_buff *skb, struct nlmsghdr *nlh, void *msg_data);
typedef bool (*ksu_netlink_perm_check_t)(uid_t uid);
struct ksu_netlink_cmd_handler {
int cmd;
size_t msg_size;
const char *name;
ksu_netlink_handler_t handler;
ksu_netlink_perm_check_t perm_check;
};
int ksu_netlink_init(void);