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manager: susfs feature overhaul and some minor bug fixes

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susfs: more prctl syscalls added
This commit is contained in:
Rifat Azad
2024-12-23 23:56:58 +06:00
parent eafff027e5
commit 84cb1ac04d
10 changed files with 202 additions and 45 deletions
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126
userspace/susfs/jni/susfs.c
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@@ -3,6 +3,8 @@
#include <stdlib.h>
#include <sys/prctl.h>
#include <stdbool.h>
#include <errno.h>
#include <unistd.h>
#define KERNEL_SU_OPTION 0xDEADBEEF
@@ -54,25 +56,16 @@ int main(int argc, char *argv[]) {
char support[16];
char version[16];
char variant[16];
// Check for arguments
if (argc < 2) {
fprintf(stderr, "Usage: %s <version|support>\n", argv[0]);
fprintf(stderr, "Usage: %s <support|version|variant|features|sus_su <0|2|mode>|>\n", argv[0]);
return 1;
}
// If 'version' is given, show version
if (strcmp(argv[1], "support") == 0) {
prctl(KERNEL_SU_OPTION, CMD_SUSFS_SHOW_VERSION, support, NULL, &error);
if (!error) {
if (support[0] == 'v') {
printf("Supported\n");
}
} else {
printf("Unsupported\n");
}
} else if (strcmp(argv[1], "version") == 0) {
if (strcmp(argv[1], "version") == 0) {
prctl(KERNEL_SU_OPTION, CMD_SUSFS_SHOW_VERSION, version, NULL, &error);
if (!error) {
printf("%s\n", version);
@@ -86,6 +79,111 @@ int main(int argc, char *argv[]) {
} else {
printf("Invalid\n");
}
} else if (strcmp(argv[1], "features") == 0) {
char *enabled_features_buf = malloc(getpagesize() * 2);
char *ptr_buf;
unsigned long enabled_features;
int str_len;
if (!enabled_features_buf) {
perror("malloc");
return -ENOMEM;
}
ptr_buf = enabled_features_buf;
prctl(KERNEL_SU_OPTION, CMD_SUSFS_SHOW_ENABLED_FEATURES, &enabled_features, NULL, &error);
if (!error) {
if (enabled_features & (1 << 0)) {
str_len = strlen("CONFIG_KSU_SUSFS_SUS_PATH\n");
strncpy(ptr_buf, "CONFIG_KSU_SUSFS_SUS_PATH\n", str_len);
ptr_buf += str_len;
}
if (enabled_features & (1 << 1)) {
str_len = strlen("CONFIG_KSU_SUSFS_SUS_MOUNT\n");
strncpy(ptr_buf, "CONFIG_KSU_SUSFS_SUS_MOUNT\n", str_len);
ptr_buf += str_len;
}
if (enabled_features & (1 << 2)) {
str_len = strlen("CONFIG_KSU_SUSFS_AUTO_ADD_SUS_KSU_DEFAULT_MOUNT\n");
strncpy(ptr_buf, "CONFIG_KSU_SUSFS_AUTO_ADD_SUS_KSU_DEFAULT_MOUNT\n", str_len);
ptr_buf += str_len;
}
if (enabled_features & (1 << 3)) {
str_len = strlen("CONFIG_KSU_SUSFS_AUTO_ADD_SUS_BIND_MOUNT\n");
strncpy(ptr_buf, "CONFIG_KSU_SUSFS_AUTO_ADD_SUS_BIND_MOUNT\n", str_len);
ptr_buf += str_len;
}
if (enabled_features & (1 << 4)) {
str_len = strlen("CONFIG_KSU_SUSFS_SUS_KSTAT\n");
strncpy(ptr_buf, "CONFIG_KSU_SUSFS_SUS_KSTAT\n", str_len);
ptr_buf += str_len;
}
if (enabled_features & (1 << 5)) {
str_len = strlen("CONFIG_KSU_SUSFS_SUS_OVERLAYFS\n");
strncpy(ptr_buf, "CONFIG_KSU_SUSFS_SUS_OVERLAYFS\n", str_len);
ptr_buf += str_len;
}
if (enabled_features & (1 << 6)) {
str_len = strlen("CONFIG_KSU_SUSFS_TRY_UMOUNT\n");
strncpy(ptr_buf, "CONFIG_KSU_SUSFS_TRY_UMOUNT\n", str_len);
ptr_buf += str_len;
}
if (enabled_features & (1 << 7)) {
str_len = strlen("CONFIG_KSU_SUSFS_AUTO_ADD_TRY_UMOUNT_FOR_BIND_MOUNT\n");
strncpy(ptr_buf, "CONFIG_KSU_SUSFS_AUTO_ADD_TRY_UMOUNT_FOR_BIND_MOUNT\n", str_len);
ptr_buf += str_len;
}
if (enabled_features & (1 << 8)) {
str_len = strlen("CONFIG_KSU_SUSFS_SPOOF_UNAME\n");
strncpy(ptr_buf, "CONFIG_KSU_SUSFS_SPOOF_UNAME\n", str_len);
ptr_buf += str_len;
}
if (enabled_features & (1 << 9)) {
str_len = strlen("CONFIG_KSU_SUSFS_ENABLE_LOG\n");
strncpy(ptr_buf, "CONFIG_KSU_SUSFS_ENABLE_LOG\n", str_len);
ptr_buf += str_len;
}
if (enabled_features & (1 << 10)) {
str_len = strlen("CONFIG_KSU_SUSFS_HIDE_KSU_SUSFS_SYMBOLS\n");
strncpy(ptr_buf, "CONFIG_KSU_SUSFS_HIDE_KSU_SUSFS_SYMBOLS\n", str_len);
ptr_buf += str_len;
}
if (enabled_features & (1 << 11)) {
str_len = strlen("CONFIG_KSU_SUSFS_SPOOF_BOOTCONFIG\n");
strncpy(ptr_buf, "CONFIG_KSU_SUSFS_SPOOF_BOOTCONFIG\n", str_len);
ptr_buf += str_len;
}
if (enabled_features & (1 << 12)) {
str_len = strlen("CONFIG_KSU_SUSFS_OPEN_REDIRECT\n");
strncpy(ptr_buf, "CONFIG_KSU_SUSFS_OPEN_REDIRECT\n", str_len);
ptr_buf += str_len;
}
if (enabled_features & (1 << 13)) {
str_len = strlen("CONFIG_KSU_SUSFS_SUS_SU\n");
strncpy(ptr_buf, "CONFIG_KSU_SUSFS_SUS_SU\n", str_len);
ptr_buf += str_len;
}
printf("%s", enabled_features_buf);
free(enabled_features_buf);
}
} else if (strcmp(argv[1], "support") == 0) {
unsigned long enabled_features;
int any_feature_enabled = 0;
prctl(KERNEL_SU_OPTION, CMD_SUSFS_SHOW_ENABLED_FEATURES, &enabled_features, NULL, &error);
if (!error) {
if (enabled_features & ((1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) |
(1 << 4) | (1 << 5) | (1 << 6) | (1 << 7) |
(1 << 8) | (1 << 9) | (1 << 10) | (1 << 11) |
(1 << 12) | (1 << 13))) {
any_feature_enabled = 1;
}
if (any_feature_enabled) {
printf("Supported\n");
} else {
printf("Unsupported\n");
}
}
} else if (argc == 3 && !strcmp(argv[1], "sus_su")) {
int last_working_mode = 0;
int target_working_mode;
@@ -94,7 +192,7 @@ int main(int argc, char *argv[]) {
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")) {
if (!strcmp(argv[2], "mode")) {
printf("%d\n", last_working_mode);
return 0;
}