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Fix adbd on GSIs

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This commit is contained in:
topjohnwu 2018-06-17 01:25:27 +08:00
parent d7d76f54cc
commit a6958ac139
2 changed files with 8 additions and 3 deletions
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7
native/jni/core/bootstages.c
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@ -534,8 +534,15 @@ void startup() {
// Remove some traits of Magisk
unlink("/init.magisk.rc");
// GSIs will have to override /sbin/adbd with /system/bin/adbd
if (access("/sbin/adbd", F_OK) == 0 && access("/system/bin/adbd", F_OK) == 0) {
umount2("/sbin/adbd", MNT_DETACH);
cp_afc("/system/bin/adbd", "/sbin/adbd");
}
// Create hardlink mirror of /sbin to /root
mkdir("/root", 0750);
clone_attr("/sbin", "/root");
full_read("/sbin/magisk", &magisk, &magisk_size);
unlink("/sbin/magisk");
full_read("/sbin/magiskinit", &init, &init_size);

4
native/jni/utils/file.c
View File

@ -166,7 +166,6 @@ void cp_afc(const char *source, const char *destination) {
xmkdirs(destination, a.st.st_mode & 0777);
src = xopen(source, O_RDONLY | O_CLOEXEC);
dest = xopen(destination, O_RDONLY | O_CLOEXEC);
fsetattr(dest, &a);
clone_dir(src, dest);
close(src);
close(dest);
@ -176,16 +175,15 @@ void cp_afc(const char *source, const char *destination) {
src = xopen(source, O_RDONLY);
dest = xopen(destination, O_WRONLY | O_CREAT | O_TRUNC);
xsendfile(dest, src, NULL, a.st.st_size);
fsetattr(src, &a);
close(src);
close(dest);
} else if (S_ISLNK(a.st.st_mode)) {
char buf[PATH_MAX];
xreadlink(source, buf, sizeof(buf));
xsymlink(buf, destination);
setattr(destination, &a);
}
}
setattr(destination, &a);
}
void clone_dir(int src, int dest) {