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umount old hijack binary

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vvb2060 2023-01-09 02:46:05 +08:00 committed by John Wu
parent 7769ba5f54
commit e836909c50
1 changed files with 14 additions and 14 deletions
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28
native/src/zygisk/entry.cpp
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@ -224,7 +224,20 @@ static void setup_files(int client, const sock_cred *cred) {
return; return;
} }
// Hijack some binary in /system/bin to host loader
const char *hbin;
string mbin;
int app_fd;
bool is_64_bit = str_ends(buf, "64"); bool is_64_bit = str_ends(buf, "64");
if (is_64_bit) {
hbin = HIJACK_BIN64;
mbin = MAGISKTMP + "/" ZYGISKBIN "/loader64.so";
app_fd = app_process_64;
} else {
hbin = HIJACK_BIN32;
mbin = MAGISKTMP + "/" ZYGISKBIN "/loader32.so";
app_fd = app_process_32;
}
if (!zygote_started) { if (!zygote_started) {
// First zygote launch, record time // First zygote launch, record time
@ -237,6 +250,7 @@ static void setup_files(int client, const sock_cred *cred) {
close(zygiskd_sockets[1]); close(zygiskd_sockets[1]);
zygiskd_sockets[0] = -1; zygiskd_sockets[0] = -1;
zygiskd_sockets[1] = -1; zygiskd_sockets[1] = -1;
xumount2(hbin, MNT_DETACH);
} }
++zygote_start_count; ++zygote_start_count;
@ -260,20 +274,6 @@ static void setup_files(int client, const sock_cred *cred) {
// Ack // Ack
write_int(client, 0); write_int(client, 0);
// Hijack some binary in /system/bin to host loader
const char *hbin;
string mbin;
int app_fd;
if (is_64_bit) {
hbin = HIJACK_BIN64;
mbin = MAGISKTMP + "/" ZYGISKBIN "/loader64.so";
app_fd = app_process_64;
} else {
hbin = HIJACK_BIN32;
mbin = MAGISKTMP + "/" ZYGISKBIN "/loader32.so";
app_fd = app_process_32;
}
// Receive and bind mount loader // Receive and bind mount loader
int ld_fd = xopen(mbin.data(), O_WRONLY | O_TRUNC | O_CREAT | O_CLOEXEC, 0755); int ld_fd = xopen(mbin.data(), O_WRONLY | O_TRUNC | O_CREAT | O_CLOEXEC, 0755);
string ld_data = read_string(client); string ld_data = read_string(client);