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several changes (#21)

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* umount for ksu 10763

Signed-off-by: 5ec1cff <ewtqyqyewtqyqy@gmail.com>

* Add crashdump sepolicy

Signed-off-by: 5ec1cff <ewtqyqyewtqyqy@gmail.com>

* Add more information about debug

Signed-off-by: 5ec1cff <ewtqyqyewtqyqy@gmail.com>

* daemonize zygiskd companion

Signed-off-by: 5ec1cff <ewtqyqyewtqyqy@gmail.com>

* create zygiskd if crash

Signed-off-by: 5ec1cff <ewtqyqyewtqyqy@gmail.com>

* injector: use ANDROID_DLEXT_USE_LIBRARY_FD to load module

Signed-off-by: 5ec1cff <ewtqyqyewtqyqy@gmail.com>

* zygiskd: use file as module fd instead of memfd on debug build

Signed-off-by: 5ec1cff <ewtqyqyewtqyqy@gmail.com>

* use OwnedFd

Signed-off-by: 5ec1cff <ewtqyqyewtqyqy@gmail.com>

* dlopen: no need to create ns

Signed-off-by: 5ec1cff <ewtqyqyewtqyqy@gmail.com>

---------

Signed-off-by: 5ec1cff <ewtqyqyewtqyqy@gmail.com>
This commit is contained in:
5ec1cff
2023-05-19 18:28:56 +08:00
committed by GitHub
parent f5bf82fa93
commit 00f0a6e3fa
7 changed files with 88 additions and 37 deletions
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17
loader/src/common/dl.cpp
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@@ -44,8 +44,17 @@ void* DlopenExt(const char* path, int flags) {
return handle;
}
void* DlopenMem(int memfd, int flags) {
char path[PATH_MAX];
sprintf(path, "/proc/self/fd/%d", memfd);
return DlopenExt(path, flags);
void* DlopenMem(int fd, int flags) {
auto info = android_dlextinfo{
.flags = ANDROID_DLEXT_USE_LIBRARY_FD,
.library_fd = fd
};
auto* handle = android_dlopen_ext("/jit-cache", flags, &info);
if (handle) {
LOGD("dlopen fd %d: %p", fd, handle);
} else {
LOGE("dlopen fd %d: %s", fd, dlerror());
}
return handle;
}

2
loader/src/include/daemon.h
View File

@@ -20,7 +20,7 @@ public:
UniqueFd(Fd fd) : fd_(fd) {}
~UniqueFd() { close(fd_); }
~UniqueFd() { if (fd_ >= 0) close(fd_); }
// Disallow copy
UniqueFd(const UniqueFd&) = delete;