116 lines
3.5 KiB
C
116 lines
3.5 KiB
C
#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/prctl.h>
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#include <string.h>
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#include <errno.h>
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#define KERNEL_SU_OPTION 0xDEADBEEF
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#define KSU_OPTIONS 0xdeadbeef
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// KPM控制代码
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#define CMD_KPM_CONTROL 28
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#define CMD_KPM_CONTROL_MAX 7
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// 控制代码
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// prctl(xxx, 28, "PATH", "ARGS")
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// success return 0, error return -N
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#define SUKISU_KPM_LOAD 28
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// prctl(xxx, 29, "NAME")
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// success return 0, error return -N
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#define SUKISU_KPM_UNLOAD 29
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// num = prctl(xxx, 30)
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// error return -N
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// success return +num or 0
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#define SUKISU_KPM_NUM 30
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// prctl(xxx, 31, Buffer, BufferSize)
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// success return +out, error return -N
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#define SUKISU_KPM_LIST 31
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// prctl(xxx, 32, "NAME", Buffer[256])
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// success return +out, error return -N
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#define SUKISU_KPM_INFO 32
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// prctl(xxx, 33, "NAME", "ARGS")
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// success return KPM's result value
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// error return -N
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#define SUKISU_KPM_CONTROL 33
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// prctl(xxx, 34, buffer, bufferSize)
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// success return KPM's result value
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// error return -N
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#define SUKISU_KPM_VERSION 34
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#define CONTROL_CODE(n) (CMD_KPM_CONTROL + n - 1)
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void print_usage(const char *prog) {
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printf("Usage: %s <command> [args]\n", prog);
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printf("Commands:\n");
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printf(" load <path> <args> Load a KPM module\n");
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printf(" unload <name> Unload a KPM module\n");
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printf(" num Get number of loaded modules\n");
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printf(" list List loaded KPM modules\n");
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printf(" info <name> Get info of a KPM module\n");
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printf(" control <name> <args> Send control command to a KPM module\n");
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printf(" version Print KPM Loader version\n");
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}
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int main(int argc, char *argv[]) {
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if (argc < 2) {
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print_usage(argv[0]);
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return 1;
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}
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int ret = -1;
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int out = -1; // 存储返回值
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if (strcmp(argv[1], "load") == 0 && argc >= 3) {
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// 加载 KPM 模块
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ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_LOAD), argv[2], (argc > 3 ? argv[3] : NULL), &out);
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} else if (strcmp(argv[1], "unload") == 0 && argc >= 3) {
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// 卸载 KPM 模块
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ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_UNLOAD), argv[2], NULL, &out);
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} else if (strcmp(argv[1], "num") == 0) {
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// 获取加载的 KPM 数量
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ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_NUM), NULL, NULL, &out);
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printf("%d", out);
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return 0;
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} else if (strcmp(argv[1], "list") == 0) {
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// 获取模块列表
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char buffer[1024] = {0};
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ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_LIST), buffer, sizeof(buffer), &out);
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if (ret >= 0) {
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printf("%s", buffer);
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}
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} else if (strcmp(argv[1], "info") == 0 && argc >= 3) {
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// 获取指定模块信息
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char buffer[256] = {0};
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ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_INFO), argv[2], buffer, &out);
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if (ret >= 0) {
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printf("%s\n", buffer);
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}
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} else if (strcmp(argv[1], "control") == 0 && argc >= 4) {
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// 控制 KPM 模块
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ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_CONTROL), argv[2], argv[3], &out);
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} else if (strcmp(argv[1], "version") == 0) {
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char buffer[1024] = {0};
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ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_VERSION), buffer, sizeof(buffer), &out);
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if (ret >= 0) {
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printf("%s", buffer);
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}
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} else {
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print_usage(argv[0]);
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return 1;
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}
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if (out < 0) {
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printf("Error: %s\n", strerror(-out));
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return -1;
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}
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return 0;
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}
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