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manager: sus_su mode in StatusInfo and toggle to enable/disable sus_su

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susfs: variant and sus_su syscalls added
This commit is contained in:
Rifat Azad
2024-12-23 04:52:19 +06:00
parent 580921988e
commit 1b75614227
6 changed files with 132 additions and 16 deletions
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91
userspace/susfs/jni/susfs.c
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@@ -1,14 +1,57 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdlib.h>
#include <sys/prctl.h>
#include <stdbool.h>
#define KERNEL_SU_OPTION 0xDEADBEEF
#define CMD_SUSFS_SHOW_VERSION 0x555e1
#define CMD_SUSFS_SHOW_ENABLED_FEATURES 0x555e2
#define CMD_SUSFS_SHOW_VARIANT 0x555e3
#define CMD_SUSFS_SHOW_SUS_SU_WORKING_MODE 0x555e4
#define CMD_SUSFS_IS_SUS_SU_READY 0x555f0
#define CMD_SUSFS_SUS_SU 0x60000
#define SUS_SU_DISABLED 0
#define SUS_SU_WITH_HOOKS 2
struct st_sus_su {
int mode;
};
int enable_sus_su(int last_working_mode, int target_working_mode) {
struct st_sus_su info;
int error = -1;
if (target_working_mode == SUS_SU_WITH_HOOKS) {
info.mode = SUS_SU_WITH_HOOKS;
prctl(KERNEL_SU_OPTION, CMD_SUSFS_SUS_SU, &info, NULL, &error);
if (error) {
if (error == 1) {
} else if (error == 2) {
}
return error;
}
printf("[+] sus_su mode 2 is enabled\n");
} else if (target_working_mode == SUS_SU_DISABLED) {
info.mode = SUS_SU_DISABLED;
prctl(KERNEL_SU_OPTION, CMD_SUSFS_SUS_SU, &info, NULL, &error);
if (error) {
if (error == 1) {
}
return error;
}
printf("[+] sus_su mode 0 is enabled\n");
} else {
return 1;
}
return 0;
}
int main(int argc, char *argv[]) {
int error = -1;
char support[16];
char version[16];
char variant[16];
@@ -20,9 +63,9 @@ int main(int argc, char *argv[]) {
// If 'version' is given, show version
if (strcmp(argv[1], "support") == 0) {
prctl(KERNEL_SU_OPTION, CMD_SUSFS_SHOW_VERSION, version, NULL, &error);
prctl(KERNEL_SU_OPTION, CMD_SUSFS_SHOW_VERSION, support, NULL, &error);
if (!error) {
if (version[0] == 'v') {
if (support[0] == 'v') {
printf("Supported\n");
}
} else {
@@ -43,6 +86,48 @@ int main(int argc, char *argv[]) {
} else {
printf("Invalid\n");
}
} else if (argc == 3 && !strcmp(argv[1], "sus_su")) {
int last_working_mode = 0;
int target_working_mode;
char* endptr;
prctl(KERNEL_SU_OPTION, CMD_SUSFS_SHOW_SUS_SU_WORKING_MODE, &last_working_mode, NULL, &error);
if (error)
return error;
if (!strcmp(argv[2], "show_working_mode")) {
printf("%d\n", last_working_mode);
return 0;
}
target_working_mode = strtol(argv[2], &endptr, 10);
if (*endptr != '\0') {
return 1;
}
if (target_working_mode == SUS_SU_WITH_HOOKS) {
bool is_sus_su_ready;
prctl(KERNEL_SU_OPTION, CMD_SUSFS_IS_SUS_SU_READY, &is_sus_su_ready, NULL, &error);
if (error)
return error;
if (!is_sus_su_ready) {
printf("[-] sus_su mode %d has to be run during or after service stage\n", SUS_SU_WITH_HOOKS);
return 1;
}
if (last_working_mode == SUS_SU_DISABLED) {
error = enable_sus_su(last_working_mode, SUS_SU_WITH_HOOKS);
} else if (last_working_mode == SUS_SU_WITH_HOOKS) {
printf("[-] sus_su is already in mode %d\n", last_working_mode);
return 1;
} else {
error = enable_sus_su(last_working_mode, SUS_SU_DISABLED);
if (!error)
error = enable_sus_su(last_working_mode, SUS_SU_WITH_HOOKS);
}
} else if (target_working_mode == SUS_SU_DISABLED) {
if (last_working_mode == SUS_SU_DISABLED) {
printf("[-] sus_su is already in mode %d\n", last_working_mode);
return 1;
}
error = enable_sus_su(last_working_mode, SUS_SU_DISABLED);
}
} else {
fprintf(stderr, "Invalid argument: %s\n", argv[1]);
return 1;