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Monitor /data/system/packages.xml

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Reinstalling system apps as data creates tons of issues.
Calling pm path <pkg> is extremely expensive and doesn't work in post-fs-data.
Parse through packages.xml to get APK path and UID at the same time.
As a bonus, we don't need to traverse /data/app for packages anymore.
This commit is contained in:
topjohnwu
2019-02-18 03:05:13 -05:00
parent 14aa6041ec
commit 692f893e1f
5 changed files with 78 additions and 117 deletions
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19
native/jni/magiskhide/magiskhide.h
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@@ -26,7 +26,7 @@ int rm_list(int client);
void ls_list(int client);
// Update APK list for inotify
void update_inotify_mask(bool refresh = false);
void update_inotify_mask();
// Process monitor
void proc_monitor();
@@ -34,7 +34,6 @@ void proc_monitor();
// Utility functions
void manage_selinux();
void clean_magisk_props();
void refresh_uid();
void crawl_procfs(const std::function<bool (int)> &fn);
static inline int get_uid(const int pid) {
@@ -49,10 +48,24 @@ static inline int get_uid(const int pid) {
return st.st_uid % 100000;
}
/*
* Bionic's atoi runs through strtol().
* Use our own implementation for faster conversion.
*/
static inline int parse_int(const char *s) {
int val = 0;
char c;
while ((c = *(s++))) {
if (c > '9' || c < '0')
return -1;
val = val * 10 + c - '0';
}
return val;
}
extern bool hide_enabled;
extern pthread_mutex_t list_lock;
extern std::vector<std::string> hide_list;
extern std::set<int> hide_uid;
extern int gms_uid;
enum {