mirror of
https://github.com/AuxXxilium/redpill-lkm5.git
synced 2024-11-23 23:11:02 +07:00
89f524913a
* remove outdated ioscheduler_fixer * block exec syno_oob_fw_upgrade * support get power status
125 lines
5.2 KiB
C
125 lines
5.2 KiB
C
#include "internal/stealth.h"
|
|
#include "redpill_main.h"
|
|
#include "config/runtime_config.h"
|
|
#include "common.h" //commonly used headers in this module
|
|
#include "internal/intercept_execve.h" //Handling of execve() replacement
|
|
#include "internal/scsi/scsi_notifier.h" //the missing pub/sub handler for SCSI driver
|
|
#include "config/cmdline_delegate.h" //Parsing of kernel cmdline
|
|
#include "shim/boot_device_shim.h" //Registering & deciding between boot device shims
|
|
#include "shim/bios_shim.h" //Shimming various mfgBIOS functions to make them happy
|
|
#include "shim/block_fw_update_shim.h" //Prevent firmware update from running
|
|
#include "shim/disable_exectutables.h" //Disable common problematic executables
|
|
#include "shim/pci_shim.h" //Handles PCI devices emulation
|
|
#include "shim/storage/smart_shim.h" //Handles emulation of SMART data for devices without it
|
|
#include "shim/storage/sata_port_shim.h" //Handles VirtIO & SAS storage devices/disks peculiarities
|
|
#include "shim/uart_fixer.h" //Various fixes for UART weirdness
|
|
#include "shim/pmu_shim.h" //Emulates the platform management unit
|
|
#include "internal/helper/symbol_helper.h" //kln_func
|
|
|
|
//Handle versioning stuff
|
|
#ifndef RP_VERSION_POSTFIX
|
|
#define RP_VERSION_POSTFIX "(NULL)"
|
|
#endif
|
|
#define RP_VERSION_MAJOR 0
|
|
#define RP_VERSION_MINOR 6
|
|
#define STRINGIFY(x) #x
|
|
#define VERSIONIFY(major,minor,postfix) "v" STRINGIFY(major) "." STRINGIFY(minor) "-" postfix
|
|
#define RP_VERSION_STR VERSIONIFY(RP_VERSION_MAJOR, RP_VERSION_MINOR, RP_VERSION_POSTFIX)
|
|
|
|
/**
|
|
* Force panic to land on a stack trace
|
|
*
|
|
* This ensures we always get this on the stack trace so that we know it was an intentional crash due to a detected
|
|
* error rather than an accidental bug.
|
|
*/
|
|
void noinline __noreturn rp_crash(void) {
|
|
//Deliberately not reveling any context in case we're running in stealth mode
|
|
//This message is a generic one from arch/x86/kernel/dumpstack.c
|
|
panic("Fatal exception");
|
|
}
|
|
|
|
static int __init init_(void)
|
|
{
|
|
int out = 0;
|
|
|
|
pr_loc_dbg("================================================================================================");
|
|
pr_loc_inf("RedPill %s loading...", RP_VERSION_STR);
|
|
|
|
if (
|
|
get_kln_p() < 0 //Find pointer of kallsyms_lookup_name function, This MUST be the first entry
|
|
|| (out = extract_config_from_cmdline(¤t_config)) != 0 //This MUST be the second entry
|
|
|| (out = populate_runtime_config(¤t_config)) != 0 //This MUST be third
|
|
|| (out = register_uart_fixer(current_config.hw_config)) != 0 //Fix consoles ASAP
|
|
|| (out = register_scsi_notifier()) != 0 //Load SCSI notifier so that boot shim (& others) can use it
|
|
|| (out = register_sata_port_shim()) //This should be bfr boot shim as it can fix some things need by boot
|
|
|| (out = register_boot_shim(¤t_config.boot_media)) //Make sure we're quick with this one
|
|
|| (out = register_execve_interceptor()) != 0 //Register this reasonably high as other modules can use it blindly
|
|
|| (out = register_bios_shim(current_config.hw_config)) != 0
|
|
|| (out = register_disable_executables_shim()) != 0
|
|
|| (out = register_fw_update_shim()) != 0
|
|
#ifndef DBG_DISABLE_UNLOADABLE
|
|
|| (out = register_pci_shim(current_config.hw_config)) != 0 //it's a core hw but it's not checked early
|
|
#endif
|
|
|| (out = register_disk_smart_shim()) != 0 //provide fake SMART to userspace
|
|
|| (out = register_pmu_shim(current_config.hw_config)) != 0 //this is used as early as mfgBIOS loads (=late)
|
|
|| (out = initialize_stealth(¤t_config)) != 0 //Should be after any shims to let shims have real stuff
|
|
)
|
|
goto error_out;
|
|
|
|
pr_loc_inf("RedPill %s loaded successfully (stealth=%d)", RP_VERSION_STR, STEALTH_MODE);
|
|
return 0;
|
|
|
|
error_out:
|
|
pr_loc_crt("RedPill %s cannot be loaded, initializer error=%d", RP_VERSION_STR, out);
|
|
#ifdef KP_ON_LOAD_ERROR
|
|
rp_crash();
|
|
#else
|
|
return out;
|
|
#endif
|
|
}
|
|
module_init(init_);
|
|
|
|
#if STEALTH_MODE < STEALTH_MODE_FULL //module cannot be unloaded in full-stealth anyway
|
|
static void __exit cleanup_(void)
|
|
{
|
|
pr_loc_inf("RedPill %s unloading...", RP_VERSION_STR);
|
|
|
|
int (*cleanup_handlers[])(void ) = {
|
|
uninitialize_stealth,
|
|
unregister_pmu_shim,
|
|
unregister_disk_smart_shim,
|
|
#ifndef DBG_DISABLE_UNLOADABLE
|
|
unregister_pci_shim,
|
|
#endif
|
|
unregister_fw_update_shim,
|
|
unregister_disable_executables_shim,
|
|
unregister_bios_shim,
|
|
unregister_execve_interceptor,
|
|
unregister_boot_shim,
|
|
unregister_sata_port_shim,
|
|
unregister_scsi_notifier,
|
|
unregister_uart_fixer
|
|
};
|
|
|
|
int out;
|
|
for (int i = 0; i < ARRAY_SIZE(cleanup_handlers); i++) {
|
|
pr_loc_dbg("Calling cleanup handler %pF<%p>", cleanup_handlers[i], cleanup_handlers[i]);
|
|
out = cleanup_handlers[i]();
|
|
if (out != 0)
|
|
pr_loc_wrn("Cleanup handler %pF failed with code=%d", cleanup_handlers[i], out);
|
|
}
|
|
|
|
free_runtime_config(¤t_config); //A special snowflake ;)
|
|
|
|
pr_loc_inf("RedPill %s is dead", RP_VERSION_STR);
|
|
pr_loc_dbg("================================================================================================");
|
|
}
|
|
module_exit(cleanup_);
|
|
|
|
MODULE_AUTHOR("TTG");
|
|
MODULE_VERSION(RP_VERSION_STR);
|
|
#endif
|
|
|
|
|
|
MODULE_LICENSE("GPL");
|