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add: Magisk Kitsune SuList support

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This commit adds support for the Kitsune SuList, a denylist in whitelist mode.
This commit is contained in:
ThePedroo
2024-12-29 19:16:09 -03:00
parent 3605857d84
commit d8034b7bde
1 changed files with 29 additions and 3 deletions
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32
zygiskd/src/root_impl/magisk.c
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@@ -31,6 +31,7 @@ char *magisk_managers[] = {
enum magisk_variants variant = Official;
/* INFO: Longest path */
static char path_to_magisk[sizeof(DEBUG_RAMDISK_MAGISK)];
bool is_using_sulist = false;
void magisk_get_existence(struct root_impl_state *state) {
struct stat s;
@@ -78,7 +79,7 @@ void magisk_get_existence(struct root_impl_state *state) {
strcpy(path_to_magisk, SBIN_MAGISK);
}
char *argv[] = { "magisk", "-v", NULL };
char *argv[4] = { "magisk", "-v", NULL, NULL };
char magisk_info[128];
if (!exec_command(magisk_info, sizeof(magisk_info), (const char *)path_to_magisk, argv)) {
@@ -113,6 +114,27 @@ void magisk_get_existence(struct root_impl_state *state) {
return;
}
/* INFO: Magisk Kitsune has a feature called SuList, which is a whitelist of
which processes are allowed to see root. Although only Kitsune has
this option, there are Kitsune forks without "-kitsune" suffix, so
to avoid excluding them from taking advantage of that feature, we
will not check the variant.
*/
argv[1] = "--sqlite";
argv[2] = "select value from settings where key = 'sulist' limit 1";
char sulist_enabled[32];
if (!exec_command(sulist_enabled, sizeof(sulist_enabled), (const char *)path_to_magisk, argv)) {
LOGE("Failed to execute magisk binary: %s\n", strerror(errno));
errno = 0;
state->state = Abnormal;
return;
}
is_using_sulist = strcmp(sulist_enabled, "value=1") == 0;
if (atoi(magisk_version) >= MIN_MAGISK_VERSION) state->state = Supported;
else state->state = TooOld;
}
@@ -158,7 +180,10 @@ bool magisk_uid_should_umount(uid_t uid) {
char *package_name = strtok(result + strlen("package:"), " ");
char sqlite_cmd[256];
snprintf(sqlite_cmd, sizeof(sqlite_cmd), "select 1 from denylist where package_name=\"%s\" limit 1", package_name);
if (is_using_sulist)
snprintf(sqlite_cmd, sizeof(sqlite_cmd), "select 1 from sulist where package_name=\"%s\" limit 1", package_name);
else
snprintf(sqlite_cmd, sizeof(sqlite_cmd), "select 1 from denylist where package_name=\"%s\" limit 1", package_name);
char *const argv[] = { "magisk", "--sqlite", sqlite_cmd, NULL };
@@ -169,7 +194,8 @@ bool magisk_uid_should_umount(uid_t uid) {
return false;
}
return result[0] != '\0';
if (is_using_sulist) return result[0] == '\0';
else return result[0] != '\0';
}
bool magisk_uid_is_manager(uid_t uid) {