TheArchive/Magisk
1
0
Fork 0
mirror of https://github.com/topjohnwu/Magisk.git synced 2025-12-13 08:52:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add preliminary zygote code injection support

Browse Source 
Prototyping the injection setup and a clean "self unloading" mechanism.
This commit is contained in:
topjohnwu
2021-01-06 22:21:17 -08:00
parent cd23d27048
commit 4060c2107c
13 changed files with 281 additions and 102 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
native/jni/core/daemon.cpp
View File

@@ -189,21 +189,22 @@ static int magisk_log(int prio, const char *fmt, va_list ap) {
return vfprintf(local_log_file.get(), buf, args);
}
static void android_logging() {
#define mlog(prio) [](auto fmt, auto ap){ return magisk_log(ANDROID_LOG_##prio, fmt, ap); }
static void magisk_logging() {
auto in_mem_file = make_stream_fp<byte_stream>(log_buf, log_buf_len);
log_file.reset(in_mem_file.release(), [](FILE *) {
free(log_buf);
log_buf = nullptr;
});
log_cb.d = [](auto fmt, auto ap){ return magisk_log(ANDROID_LOG_DEBUG, fmt, ap); };
log_cb.i = [](auto fmt, auto ap){ return magisk_log(ANDROID_LOG_INFO, fmt, ap); };
log_cb.w = [](auto fmt, auto ap){ return magisk_log(ANDROID_LOG_WARN, fmt, ap); };
log_cb.e = [](auto fmt, auto ap){ return magisk_log(ANDROID_LOG_ERROR, fmt, ap); };
log_cb.d = mlog(DEBUG);
log_cb.i = mlog(INFO);
log_cb.w = mlog(WARN);
log_cb.e = mlog(ERROR);
log_cb.ex = nop_ex;
}
static void daemon_entry(int ppid) {
android_logging();
magisk_logging();
int fd = xopen("/dev/null", O_WRONLY);
xdup2(fd, STDOUT_FILENO);