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Fix remote_write implementation

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topjohnwu 2021-01-06 21:56:29 -08:00
parent 18b86e4fd2
commit cd23d27048
3 changed files with 4 additions and 5 deletions
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2
native/jni/inject/ptrace.cpp
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@ -131,7 +131,7 @@ bool _remote_write(int pid, uintptr_t addr, const void *buf, size_t len) {
for (size_t i = 0; i < len; i += sizeof(long)) { for (size_t i = 0; i < len; i += sizeof(long)) {
long data = 0; long data = 0;
memcpy(&data, static_cast<const uint8_t *>(buf) + i, std::min(len - i, sizeof(data))); memcpy(&data, static_cast<const uint8_t *>(buf) + i, std::min(len - i, sizeof(data)));
if (xptrace(PTRACE_POKETEXT, pid, reinterpret_cast<void*>(addr + i), &data) < 0) if (xptrace(PTRACE_POKETEXT, pid, reinterpret_cast<void*>(addr + i), data) < 0)
return false; return false;
} }
return true; return true;

4
native/jni/magiskhide/proc_monitor.cpp
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@ -47,10 +47,6 @@ pid_set attaches;
* Utils * Utils
********/ ********/
static inline long xptrace(int request, pid_t pid, void *addr, uintptr_t data) {
return xptrace(request, pid, addr, reinterpret_cast<void *>(data));
}
static inline int read_ns(const int pid, struct stat *st) { static inline int read_ns(const int pid, struct stat *st) {
char path[32]; char path[32];
sprintf(path, "/proc/%d/ns/mnt", pid); sprintf(path, "/proc/%d/ns/mnt", pid);

3
native/jni/utils/xwrap.hpp
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@ -61,3 +61,6 @@ int xinotify_init1(int flags);
char *xrealpath(const char *path, char *resolved_path); char *xrealpath(const char *path, char *resolved_path);
int xmknod(const char *pathname, mode_t mode, dev_t dev); int xmknod(const char *pathname, mode_t mode, dev_t dev);
long xptrace(int request, pid_t pid, void *addr = nullptr, void *data = nullptr); long xptrace(int request, pid_t pid, void *addr = nullptr, void *data = nullptr);
static inline long xptrace(int request, pid_t pid, void *addr, uintptr_t data) {
return xptrace(request, pid, addr, reinterpret_cast<void *>(data));
}