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Properly detect SysUI appId

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Fix #6322
This commit is contained in:
topjohnwu 2022-11-01 02:04:50 -07:00
parent 44643ad7b3
commit cf9957ce4d
3 changed files with 9 additions and 6 deletions
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6
native/src/base/misc.cpp
View File

@ -214,7 +214,11 @@ vector<string_view> split_ro(string_view s, string_view delims) {
#undef vsnprintf #undef vsnprintf
int vssprintf(char *dest, size_t size, const char *fmt, va_list ap) { int vssprintf(char *dest, size_t size, const char *fmt, va_list ap) {
return std::min(vsnprintf(dest, size, fmt, ap), (int) size - 1); if (size > 0) {
*dest = 0;
return std::min(vsnprintf(dest, size, fmt, ap), (int) size - 1);
}
return -1;
} }
int ssprintf(char *dest, size_t size, const char *fmt, ...) { int ssprintf(char *dest, size_t size, const char *fmt, ...) {

2
native/src/core/bootstages.cpp
View File

@ -126,7 +126,7 @@ static bool magisk_env() {
string pkg; string pkg;
get_manager(0, &pkg); get_manager(0, &pkg);
sprintf(buf, "%s/0/%s/install", APP_DATA_DIR, ssprintf(buf, sizeof(buf), "%s/0/%s/install", APP_DATA_DIR,
pkg.empty() ? "xxx" /* Ensure non-exist path */ : pkg.data()); pkg.empty() ? "xxx" /* Ensure non-exist path */ : pkg.data());
// Alternative binaries paths // Alternative binaries paths

7
native/src/zygisk/deny/utils.cpp
View File

@ -41,10 +41,6 @@ static void rescan_apps() {
app_id_to_pkgs.clear(); app_id_to_pkgs.clear();
struct stat st{};
if (xstat("/data/data/com.android.systemui", &st) == 0)
sys_ui_app_id = to_app_id(st.st_uid);
auto data_dir = xopen_dir(APP_DATA_DIR); auto data_dir = xopen_dir(APP_DATA_DIR);
if (!data_dir) if (!data_dir)
return; return;
@ -54,6 +50,7 @@ static void rescan_apps() {
int dfd = xopenat(dirfd(data_dir.get()), entry->d_name, O_RDONLY); int dfd = xopenat(dirfd(data_dir.get()), entry->d_name, O_RDONLY);
if (auto dir = xopen_dir(dfd)) { if (auto dir = xopen_dir(dfd)) {
while ((entry = xreaddir(dir.get()))) { while ((entry = xreaddir(dir.get()))) {
struct stat st{};
// For each package // For each package
if (xfstatat(dfd, entry->d_name, &st, 0)) if (xfstatat(dfd, entry->d_name, &st, 0))
continue; continue;
@ -61,6 +58,8 @@ static void rescan_apps() {
if (auto it = pkg_to_procs.find(entry->d_name); it != pkg_to_procs.end()) { if (auto it = pkg_to_procs.find(entry->d_name); it != pkg_to_procs.end()) {
app_id_to_pkgs[app_id].insert(it->first); app_id_to_pkgs[app_id].insert(it->first);
} }
if (entry->d_name == "com.android.systemui"sv)
sys_ui_app_id = app_id;
} }
} else { } else {
close(dfd); close(dfd);