mirror of
https://github.com/topjohnwu/Magisk.git
synced 2024-11-24 18:45:28 +00:00
229 lines
8.8 KiB
C
229 lines
8.8 KiB
C
#include "magiskpolicy.h"
|
|
|
|
void samsung() {
|
|
deny("init", "kernel", "security", "load_policy");
|
|
deny("policyloader_app", "security_spota_file", "dir", "read");
|
|
deny("policyloader_app", "security_spota_file", "dir", "write");
|
|
deny("policyloader_app", "security_spota_file", "file", "read");
|
|
deny("policyloader_app", "security_spota_file", "file", "write");
|
|
deny("system_server", "security_spota_file", "dir", "read");
|
|
deny("system_server", "security_spota_file", "dir", "write");
|
|
deny("system_server", "security_spota_file", "file", "read");
|
|
deny("system_server", "security_spota_file", "file", "write");
|
|
deny("system_app", "security_spota_file", "dir", "read");
|
|
deny("system_app", "security_spota_file", "dir", "write");
|
|
deny("system_app", "security_spota_file", "file", "read");
|
|
deny("system_app", "security_spota_file", "file", "write");
|
|
deny("installd", "security_spota_file", "dir", "read");
|
|
deny("installd", "security_spota_file", "dir", "write");
|
|
deny("installd", "security_spota_file", "file", "read");
|
|
deny("installd", "security_spota_file", "file", "write");
|
|
deny("init", "security_spota_file", "dir", "read");
|
|
deny("init", "security_spota_file", "dir", "write");
|
|
deny("init", "security_spota_file", "file", "read");
|
|
deny("init", "security_spota_file", "file", "write");
|
|
deny("ueventd", "security_spota_file", "dir", "read");
|
|
deny("ueventd", "security_spota_file", "dir", "write");
|
|
deny("ueventd", "security_spota_file", "file", "read");
|
|
deny("ueventd", "security_spota_file", "file", "write");
|
|
deny("runas", "security_spota_file", "dir", "read");
|
|
deny("runas", "security_spota_file", "dir", "write");
|
|
deny("runas", "security_spota_file", "file", "read");
|
|
deny("runas", "security_spota_file", "file", "write");
|
|
deny("drsd", "security_spota_file", "dir", "read");
|
|
deny("drsd", "security_spota_file", "dir", "write");
|
|
deny("drsd", "security_spota_file", "file", "read");
|
|
deny("drsd", "security_spota_file", "file", "write");
|
|
deny("debuggerd", "security_spota_file", "dir", "read");
|
|
deny("debuggerd", "security_spota_file", "dir", "write");
|
|
deny("debuggerd", "security_spota_file", "file", "read");
|
|
deny("debuggerd", "security_spota_file", "file", "write");
|
|
deny("vold", "security_spota_file", "dir", "read");
|
|
deny("vold", "security_spota_file", "dir", "write");
|
|
deny("vold", "security_spota_file", "file", "read");
|
|
deny("vold", "security_spota_file", "file", "write");
|
|
deny("zygote", "security_spota_file", "dir", "read");
|
|
deny("zygote", "security_spota_file", "dir", "write");
|
|
deny("zygote", "security_spota_file", "file", "read");
|
|
deny("zygote", "security_spota_file", "file", "write");
|
|
deny("auditd", "security_spota_file", "dir", "read");
|
|
deny("auditd", "security_spota_file", "dir", "write");
|
|
deny("auditd", "security_spota_file", "file", "read");
|
|
deny("auditd", "security_spota_file", "file", "write");
|
|
deny("servicemanager", "security_spota_file", "dir", "read");
|
|
deny("servicemanager", "security_spota_file", "dir", "write");
|
|
deny("servicemanager", "security_spota_file", "file", "read");
|
|
deny("servicemanager", "security_spota_file", "file", "write");
|
|
deny("itsonbs", "security_spota_file", "dir", "read");
|
|
deny("itsonbs", "security_spota_file", "dir", "write");
|
|
deny("itsonbs", "security_spota_file", "file", "read");
|
|
deny("itsonbs", "security_spota_file", "file", "write");
|
|
deny("commonplatformappdomain", "security_spota_file", "dir", "read");
|
|
deny("commonplatformappdomain", "security_spota_file", "dir", "write");
|
|
deny("commonplatformappdomain", "security_spota_file", "file", "read");
|
|
deny("commonplatformappdomain", "security_spota_file", "file", "write");
|
|
}
|
|
|
|
void allowSuClient(char *target) {
|
|
allow(target, "rootfs", "file", "execute_no_trans");
|
|
allow(target, "rootfs", "file", "execute");
|
|
allow(target, "su", "unix_stream_socket", "connectto");
|
|
allow(target, "su", "unix_stream_socket", "getopt");
|
|
allow(target, "su_device", "dir", "search");
|
|
allow(target, "su_device", "dir", "read");
|
|
allow(target, "su_device", "sock_file", "read");
|
|
allow(target, "su_device", "sock_file", "write");
|
|
}
|
|
|
|
void suRights() {
|
|
allow("servicemanager", "su", "dir", "search");
|
|
allow("servicemanager", "su", "dir", "read");
|
|
allow("servicemanager", "su", "file", "open");
|
|
allow("servicemanager", "su", "file", "read");
|
|
allow("servicemanager", "su", "process", "getattr");
|
|
allow("servicemanager", "su", "binder", "transfer");
|
|
allow("system_server", "su", "binder", "call");
|
|
}
|
|
|
|
void otherToSU() {
|
|
// allowLog
|
|
allow("logd", "su", "dir", "search");
|
|
allow("logd", "su", "file", "read");
|
|
allow("logd", "su", "file", "open");
|
|
allow("logd", "su", "file", "getattr");
|
|
|
|
// suBackL0
|
|
allow("system_server", "su", "binder", "call");
|
|
allow("system_server", "su", "binder", "transfer");
|
|
|
|
// ES Explorer opens a sokcet
|
|
allow("untrusted_app", "su", "unix_stream_socket", "ioctl");
|
|
allow("untrusted_app", "su", "unix_stream_socket", "read");
|
|
allow("untrusted_app", "su", "unix_stream_socket", "getattr");
|
|
allow("untrusted_app", "su", "unix_stream_socket", "write");
|
|
allow("untrusted_app", "su", "unix_stream_socket", "setattr");
|
|
allow("untrusted_app", "su", "unix_stream_socket", "lock");
|
|
allow("untrusted_app", "su", "unix_stream_socket", "append");
|
|
allow("untrusted_app", "su", "unix_stream_socket", "bind");
|
|
allow("untrusted_app", "su", "unix_stream_socket", "connect");
|
|
allow("untrusted_app", "su", "unix_stream_socket", "getopt");
|
|
allow("untrusted_app", "su", "unix_stream_socket", "setopt");
|
|
allow("untrusted_app", "su", "unix_stream_socket", "shutdown");
|
|
allow("untrusted_app", "su", "unix_stream_socket", "connectto");
|
|
|
|
// Any domain is allowed to send su "sigchld"
|
|
allow(ALL, "su", "process", "sigchld");
|
|
|
|
// uNetworkL0
|
|
attradd("su", "netdomain");
|
|
attradd("su", "bluetoothdomain");
|
|
|
|
// suBackL6
|
|
allow("surfaceflinger", "app_data_file", "dir", ALL);
|
|
allow("surfaceflinger", "app_data_file", "file", ALL);
|
|
allow("surfaceflinger", "app_data_file", "lnk_file", ALL);
|
|
attradd("surfaceflinger", "mlstrustedsubject");
|
|
|
|
// suMiscL6
|
|
if (exists("audioserver"))
|
|
allow("audioserver", "audioserver", "process", "execmem");
|
|
}
|
|
|
|
void full_rules() {
|
|
// Samsung specific
|
|
// Prevent system from loading policy
|
|
if(exists("knox_system_app"))
|
|
samsung();
|
|
|
|
// Min rules first
|
|
min_rules();
|
|
|
|
// Create domains if they don't exist
|
|
if (!exists("su_device"))
|
|
create("su_device");
|
|
enforce("su_device");
|
|
|
|
// Patch su to everything
|
|
allow("su", ALL, ALL, ALL);
|
|
|
|
// Autotransition su's socket to su_device
|
|
add_transition("su", "device", "file", "su_device");
|
|
add_transition("su", "device", "dir", "su_device");
|
|
allow("su_device", "tmpfs", "filesystem", "associate");
|
|
|
|
// Transition from untrusted_app to su_client
|
|
allowSuClient("shell");
|
|
allowSuClient("untrusted_app");
|
|
allowSuClient("system_app");
|
|
allowSuClient("platform_app");
|
|
if (exists("priv_app"))
|
|
allowSuClient("priv_app");
|
|
if (exists("ssd_tool"))
|
|
allowSuClient("ssd_tool");
|
|
|
|
// Allow init to execute su daemon/transition
|
|
allow("init", "su", "process", "transition");
|
|
allow("init", "su", "process", "rlimitinh");
|
|
allow("init", "su", "process", "siginh");
|
|
allow("init", "su", "process", "noatsecure");
|
|
suRights();
|
|
otherToSU();
|
|
|
|
// Need to set su_device/su as trusted to be accessible from other categories
|
|
attradd("su_device", "mlstrustedobject");
|
|
attradd("su", "mlstrustedsubject");
|
|
|
|
}
|
|
|
|
// Minimal to run Magisk script before live patching
|
|
void min_rules() {
|
|
|
|
if (!exists("su"))
|
|
create("su");
|
|
permissive("su");
|
|
permissive("init");
|
|
|
|
attradd("su", "mlstrustedsubject");
|
|
|
|
// Let init run stuffs in su context
|
|
allow("kernel", "su", "fd", "use");
|
|
allow("init", "su", "process", ALL);
|
|
allow("init", "system_file", "dir", ALL);
|
|
allow("init", "system_file", "lnk_file", ALL);
|
|
allow("init", "system_file", "file", ALL);
|
|
|
|
// Misc: basic shell scripts, prop management etc.
|
|
allow("su", "property_socket", "sock_file", "write");
|
|
allow("su", "init", "unix_stream_socket", "connectto");
|
|
allow("su", "su", "unix_dgram_socket", ALL);
|
|
allow("su", "su", "unix_stream_socket", ALL);
|
|
allow("su", "su", "process", ALL);
|
|
allow("su", "su", "capability", ALL);
|
|
allow("su", "su", "file", ALL);
|
|
allow("su", "su", "fifo_file", ALL);
|
|
allow("su", "su", "lnk_file", ALL);
|
|
allow("su", "su", "dir", ALL);
|
|
|
|
// Allow su to do anything to files/dir/links
|
|
allow("su", ALL, "file", ALL);
|
|
allow("su", ALL, "dir", ALL);
|
|
allow("su", ALL, "lnk_file", ALL);
|
|
|
|
// For sepolicy live patching
|
|
allow("su", "kernel", "security", "read_policy");
|
|
allow("su", "kernel", "security", "load_policy");
|
|
|
|
// For mounting loop devices and mirrors
|
|
allow("su", "kernel", "process", "setsched");
|
|
allow("su", "labeledfs", "filesystem", "mount");
|
|
allow("su", "labeledfs", "filesystem", "unmount");
|
|
allow("su", "loop_device", "blk_file", ALL);
|
|
allow("su", "block_device", "blk_file", ALL);
|
|
allow("su", "system_block_device", "blk_file", ALL);
|
|
|
|
// Xposed
|
|
allow("untrusted_app", "untrusted_app", "capability", "setgid");
|
|
allow("system_server", "dex2oat_exec", "file", ALL);
|
|
|
|
}
|