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Simplify hiding conditions

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This commit is contained in:
topjohnwu 2018-06-17 05:16:52 +08:00
parent 4d5841332a
commit 838f3cc01e
2 changed files with 7 additions and 17 deletions
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22
native/jni/magiskhide/proc_monitor.c
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@ -63,7 +63,6 @@ static void lazy_unmount(const char* mountpoint) {
static void hide_daemon(int pid) {
LOGD("hide_daemon: start unmount for pid=[%d]\n", pid);
strcpy(argv0, "hide_daemon");
char *line, buffer[PATH_MAX];
struct vector mount_list;
@ -90,19 +89,9 @@ static void hide_daemon(int pid) {
has_cache = 0;
}
// Unmout cache mounts
if (has_cache) {
vec_for_each(&mount_list, line) {
if (strstr(line, cache_block) && (strstr(line, " /system/") || strstr(line, " /vendor/"))) {
sscanf(line, "%*s %4096s", buffer);
lazy_unmount(buffer);
}
}
}
// Unmount dummy skeletons, /sbin links
// Unmount dummy skeletons and /sbin links
vec_for_each(&mount_list, line) {
if (strstr(line, "tmpfs /system") || strstr(line, "tmpfs /vendor") || strstr(line, "tmpfs /sbin")) {
if (strstr(line, "tmpfs /system/") || strstr(line, "tmpfs /vendor/") || strstr(line, "tmpfs /sbin")) {
sscanf(line, "%*s %4096s", buffer);
lazy_unmount(buffer);
}
@ -115,20 +104,19 @@ static void hide_daemon(int pid) {
vec_init(&mount_list);
file_to_vector(buffer, &mount_list);
// Unmount any loop mounts
// Unmount everything under /system, /vendor, and loop mounts
vec_for_each(&mount_list, line) {
if (strstr(line, "/dev/block/loop")) {
if (strstr(line, "/dev/block/loop") || strstr(line, " /system/") || strstr(line, " /vendor/")) {
sscanf(line, "%*s %4096s", buffer);
lazy_unmount(buffer);
}
free(line);
}
vec_destroy(&mount_list);
exit:
// Send resume signal
kill(pid, SIGCONT);
// Free up memory
vec_destroy(&mount_list);
_exit(0);
}

2
native/jni/utils/misc.c
View File

@ -87,6 +87,8 @@ int check_data() {
/* All the string should be freed manually!! */
int file_to_vector(const char* filename, struct vector *v) {
if (access(filename, R_OK) != 0)
return 1;
char *line = NULL;
size_t len = 0;
ssize_t read;