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Use wrapper script on system with APEX

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Thanks to moving libandroidicu.so to APEX runtime linker namespace,
we need a wrapper to link against libsqlite.so on Q
This commit is contained in:
topjohnwu
2019-04-03 17:25:47 -04:00
parent 0c7a95bdf6
commit a385e5cd92
3 changed files with 40 additions and 10 deletions
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20
native/jni/core/init.cpp
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@@ -25,8 +25,10 @@
#include "binaries.h"
#ifdef USE_64BIT
#include "binaries_arch64.h"
#define LIBNAME "lib64"
#else
#include "binaries_arch.h"
#define LIBNAME "lib"
#endif
#include "magiskrc.h"
@@ -560,6 +562,11 @@ static inline void patch_socket_name(const char *path) {
munmap(buf, size);
}
static const char wrapper[] =
"#!/system/bin/sh\n"
"export LD_LIBRARY_PATH=\"$LD_LIBRARY_PATH:/apex/com.android.runtime/" LIBNAME "\"\n"
"exec /sbin/magisk.bin \"$0\" \"$@\"\n";
void MagiskInit::setup_overlay() {
char path[128];
int fd;
@@ -583,8 +590,17 @@ void MagiskInit::setup_overlay() {
fd = xopen("/sbin/magiskinit", O_WRONLY | O_CREAT, 0755);
write(fd, self.buf, self.sz);
close(fd);
dump_magisk("/sbin/magisk", 0755);
patch_socket_name("/sbin/magisk");
if (access("/system/apex", F_OK) == 0) {
dump_magisk("/sbin/magisk.bin", 0755);
patch_socket_name("/sbin/magisk.bin");
setfilecon("/sbin/magisk.bin", "u:object_r:" SEPOL_FILE_DOMAIN ":s0");
fd = xopen("/sbin/magisk", O_WRONLY | O_CREAT, 0755);
write(fd, wrapper, sizeof(wrapper) - 1);
close(fd);
} else {
dump_magisk("/sbin/magisk", 0755);
patch_socket_name("/sbin/magisk");
}
setfilecon("/sbin/magisk", "u:object_r:" SEPOL_FILE_DOMAIN ":s0");
setfilecon("/sbin/magiskinit", "u:object_r:" SEPOL_FILE_DOMAIN ":s0");