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Make zygisk survive zygote restarts

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Close #4777
This commit is contained in:
topjohnwu
2021-10-27 01:53:16 -07:00
parent 4c747c4148
commit ea75a09f95
14 changed files with 339 additions and 174 deletions
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25
native/jni/core/module.cpp
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@@ -550,18 +550,21 @@ struct module_info {
};
static vector<module_info> *modules;
int app_process_32 = -1;
int app_process_64 = -1;
#define mount_zygisk(bit) \
if (access("/system/bin/app_process" #bit, F_OK) == 0) { \
string zbin = zygisk_bin + "/app_process" #bit; \
string mbin = MAGISKTMP + "/magisk" #bit; \
int src = xopen(mbin.data(), O_RDONLY | O_CLOEXEC); \
int out = xopen(zbin.data(), O_CREAT | O_WRONLY | O_CLOEXEC, 0); \
xsendfile(out, src, nullptr, INT_MAX); \
close(src); \
close(out); \
clone_attr("/system/bin/app_process" #bit, zbin.data()); \
bind_mount(zbin.data(), "/system/bin/app_process" #bit); \
#define mount_zygisk(bit) \
if (access("/system/bin/app_process" #bit, F_OK) == 0) { \
app_process_##bit = xopen("/system/bin/app_process" #bit, O_RDONLY | O_CLOEXEC); \
string zbin = zygisk_bin + "/app_process" #bit; \
string mbin = MAGISKTMP + "/magisk" #bit; \
int src = xopen(mbin.data(), O_RDONLY | O_CLOEXEC); \
int out = xopen(zbin.data(), O_CREAT | O_WRONLY | O_CLOEXEC, 0); \
xsendfile(out, src, nullptr, INT_MAX); \
close(src); \
close(out); \
clone_attr("/system/bin/app_process" #bit, zbin.data()); \
bind_mount(zbin.data(), "/system/bin/app_process" #bit); \
}
void magic_mount() {