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Add preliminary zygote code injection support

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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
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19
native/jni/core/applets.cpp
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@@ -8,21 +8,26 @@
#include <selinux.hpp>
#include <utils.hpp>
using namespace std::literals;
using namespace std;
using main_fun = int (*)(int, char *[]);
static main_fun applet_main[] = { su_client_main, resetprop_main, magiskhide_main, nullptr };
[[noreturn]] static void call_applet(int argc, char **argv) {
static int call_applet(int argc, char *argv[]) {
// Applets
string_view base = basename(argv[0]);
for (int i = 0; applet_names[i]; ++i) {
if (strcmp(basename(argv[0]), applet_names[i]) == 0) {
exit((*applet_main[i])(argc, argv));
if (base == applet_names[i]) {
return (*applet_main[i])(argc, argv);
}
}
fprintf(stderr, "%s: applet not found\n", basename(argv[0]));
exit(1);
if (str_starts(base, "app_process")) {
return app_process_main(argc, argv);
}
fprintf(stderr, "%s: applet not found\n", base.data());
return 1;
}
int main(int argc, char *argv[]) {
@@ -41,6 +46,6 @@ int main(int argc, char *argv[]) {
}
}
call_applet(argc, argv);
return call_applet(argc, argv);
}