daniel/MontaukOS
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feat: add permission consent prompts, drop permitted capability mask

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daniel committed 2026-09-30 08:32:48 +02:00
1 parent c54181103f
commit ae5e84592d
25 files changed
+1632 -94
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kernel/src/Api/Syscall.cpp
+24 -16
View File
@@ -11,6 +11,7 @@
/* For common functions used by multiple syscall implementations*/
#include "Common.hpp"
#include <Sched/Consent.hpp>
/* Syscall impl. includes */
#include "Process.hpp" // SYS_EXIT, SYS_YIELD, SYS_SLEEP_MS, SYS_GETPID, SYS_WAITPID, SYS_SPAWN, SYS_GETARGS, SYS_PROCLIST, SYS_KILL
@@ -200,11 +201,11 @@ namespace montauk::abi {
(uint64_t)frame->arg2 * sizeof(DisplayModeInfo), true)) return -1;
return Sys_DisplayModes((DisplayModeInfo*)frame->arg1, (int)frame->arg2);
case SYS_DISPLAYSETMODE:
if (!Sched::HasCapability(CAP_DISPLAY_ADMIN)) return SYS_ERR_PERMISSION;
if (!Sched::Consent::Require(CAP_DISPLAY_ADMIN)) return SYS_ERR_PERMISSION;
return Sys_DisplaySetMode((int)frame->arg1);
case SYS_DISPLAYBRIGHTNESS:
if ((int64_t)frame->arg1 >= 0 &&
!Sched::HasCapability(CAP_DISPLAY_ADMIN)) return SYS_ERR_PERMISSION;
!Sched::Consent::Require(CAP_DISPLAY_ADMIN)) return SYS_ERR_PERMISSION;
return Sys_DisplayBrightness((int)frame->arg1);
case SYS_GETEXECPATH:
if (!UserMemory::Range(frame->arg2 ? frame->arg1 : frame->arg1, frame->arg2, true)) return -1;
@@ -248,7 +249,7 @@ namespace montauk::abi {
Sys_GetTime((DateTime*)frame->arg1);
return 0;
case SYS_SETUNIXTIME:
if (!Sched::HasCapability(CAP_SET_TIME)) return SYS_ERR_PERMISSION;
if (!Sched::Consent::Require(CAP_SET_TIME)) return SYS_ERR_PERMISSION;
return Sys_SetUnixTime((int64_t)frame->arg1);
case SYS_SOCKET:
return (int64_t)Sys_Socket((int)frame->arg1);
@@ -274,7 +275,7 @@ namespace montauk::abi {
Sys_GetNetCfg((NetCfg*)frame->arg1);
return 0;
case SYS_SETNETCFG:
if (!Sched::HasCapability(CAP_NETWORK_ADMIN)) return SYS_ERR_PERMISSION;
if (!Sched::Consent::Require(CAP_NETWORK_ADMIN)) return SYS_ERR_PERMISSION;
if (!UserMemory::Readable<NetCfg>(frame->arg1)) return -1;
return (int64_t)Sys_SetNetCfg((const NetCfg*)frame->arg1);
case SYS_NETSTATUS:
@@ -330,7 +331,7 @@ namespace montauk::abi {
if (!UserMemory::Range(frame->arg1, frame->arg2, true)) return -1;
return Sys_GetRandom((uint8_t*)frame->arg1, frame->arg2);
case SYS_LOG:
if (!Sched::HasCapability(CAP_LOG_READ)) return SYS_ERR_PERMISSION;
if (!Sched::Consent::Require(CAP_LOG_READ)) return SYS_ERR_PERMISSION;
if (!UserMemory::Range(frame->arg1, frame->arg2, true)) return -1;
return Kt::ReadKernelLogBuffer((char*)frame->arg1, frame->arg2);
case SYS_MOUSESTATE:
@@ -438,20 +439,20 @@ namespace montauk::abi {
return (int64_t)Sys_DiskWrite((int)frame->arg1, frame->arg2,
(uint32_t)frame->arg3, (const void*)frame->arg4);
case SYS_GPTINIT:
if (!Sched::HasCapability(CAP_STORAGE_ADMIN)) return SYS_ERR_PERMISSION;
if (!Sched::Consent::Require(CAP_STORAGE_ADMIN)) return SYS_ERR_PERMISSION;
return (int64_t)Sys_GptInit((int)frame->arg1);
case SYS_GPTADD:
if (!Sched::HasCapability(CAP_STORAGE_ADMIN)) return SYS_ERR_PERMISSION;
if (!Sched::Consent::Require(CAP_STORAGE_ADMIN)) return SYS_ERR_PERMISSION;
if (!UserMemory::Readable<GptAddParams>(frame->arg1)) return -1;
return (int64_t)Sys_GptAdd((const GptAddParams*)frame->arg1);
case SYS_FSMOUNT:
if (!Sched::HasCapability(CAP_STORAGE_ADMIN)) return SYS_ERR_PERMISSION;
if (!Sched::Consent::Require(CAP_STORAGE_ADMIN)) return SYS_ERR_PERMISSION;
return (int64_t)Sys_FsMount((int)frame->arg1, (int)frame->arg2);
case SYS_FS_SYNC:
if (!Sched::HasCapability(CAP_STORAGE_ADMIN)) return SYS_ERR_PERMISSION;
if (!Sched::Consent::Require(CAP_STORAGE_ADMIN)) return SYS_ERR_PERMISSION;
return Sys_FsSync();
case SYS_FSFORMAT:
if (!Sched::HasCapability(CAP_STORAGE_ADMIN)) return SYS_ERR_PERMISSION;
if (!Sched::Consent::Require(CAP_STORAGE_ADMIN)) return SYS_ERR_PERMISSION;
if (!UserMemory::Readable<FsFormatParams>(frame->arg1)) return -1;
return (int64_t)Sys_FsFormat((const FsFormatParams*)frame->arg1);
case SYS_AUDIOOPEN:
@@ -517,6 +518,13 @@ namespace montauk::abi {
case SYS_GETCAPS:
if (!UserMemory::Writable<SpawnCapabilities>(frame->arg1)) return -1;
return Sys_GetCaps((SpawnCapabilities*)frame->arg1);
case SYS_CONSENT_REGISTER:
return Sched::Consent::Register();
case SYS_CONSENT_NEXT:
if (!UserMemory::Writable<ConsentRequest>(frame->arg1)) return -1;
return Sched::Consent::Next((ConsentRequest*)frame->arg1);
case SYS_CONSENT_REPLY:
return Sched::Consent::Reply(frame->arg1, (int)frame->arg2);
case SYS_THREAD_SPAWN:
return Sys_ThreadSpawn(frame->arg1, frame->arg2, frame->arg3);
case SYS_THREAD_EXIT:
@@ -560,7 +568,7 @@ namespace montauk::abi {
if (!UserMemory::Writable<BtAdapterInfo>(frame->arg1)) return -1;
return Sys_BtInfo((BtAdapterInfo*)frame->arg1);
case SYS_WIFI_SCAN:
if (!Sched::HasCapability(CAP_NETWORK_ADMIN)) return SYS_ERR_PERMISSION;
if (!Sched::Consent::Require(CAP_NETWORK_ADMIN)) return SYS_ERR_PERMISSION;
if ((int64_t)frame->arg2 < 0) return -1;
if (!UserMemory::Range(frame->arg1, (uint64_t)frame->arg2 * sizeof(WifiNetwork), true)) return -1;
return Sys_WifiScan((WifiNetwork*)frame->arg1, (int)frame->arg2, (uint32_t)frame->arg3);
@@ -568,22 +576,22 @@ namespace montauk::abi {
if (!UserMemory::Writable<WifiInfo>(frame->arg1)) return -1;
return Sys_WifiInfo((WifiInfo*)frame->arg1);
case SYS_WIFI_CONNECT:
if (!Sched::HasCapability(CAP_NETWORK_ADMIN)) return SYS_ERR_PERMISSION;
if (!Sched::Consent::Require(CAP_NETWORK_ADMIN)) return SYS_ERR_PERMISSION;
if (!UserMemory::String(frame->arg1, 64)) return -1;
if (frame->arg2 != 0 && !UserMemory::String(frame->arg2, 128)) return -1;
return Sys_WifiConnect((const char*)frame->arg1, (const char*)frame->arg2);
case SYS_WIFI_DISCONNECT:
if (!Sched::HasCapability(CAP_NETWORK_ADMIN)) return SYS_ERR_PERMISSION;
if (!Sched::Consent::Require(CAP_NETWORK_ADMIN)) return SYS_ERR_PERMISSION;
return Sys_WifiDisconnect();
case SYS_WIFI_SCAN_START:
if (!Sched::HasCapability(CAP_NETWORK_ADMIN)) return SYS_ERR_PERMISSION;
if (!Sched::Consent::Require(CAP_NETWORK_ADMIN)) return SYS_ERR_PERMISSION;
return Sys_WifiScanStart((uint32_t)frame->arg1);
case SYS_WIFI_RESULTS:
if ((int64_t)frame->arg2 < 0) return -1;
if (!UserMemory::Range(frame->arg1, (uint64_t)frame->arg2 * sizeof(WifiNetwork), true)) return -1;
return Sys_WifiResults((WifiNetwork*)frame->arg1, (int)frame->arg2);
case SYS_WIFI_CONNECT_ASYNC:
if (!Sched::HasCapability(CAP_NETWORK_ADMIN)) return SYS_ERR_PERMISSION;
if (!Sched::Consent::Require(CAP_NETWORK_ADMIN)) return SYS_ERR_PERMISSION;
if (!UserMemory::String(frame->arg1, 64)) return -1;
if (frame->arg2 != 0 && !UserMemory::String(frame->arg2, 128)) return -1;
return Sys_WifiConnectAsync((const char*)frame->arg1, (const char*)frame->arg2);
@@ -595,7 +603,7 @@ namespace montauk::abi {
if (!Sched::HasCapability(CAP_SUSPEND)) return SYS_ERR_PERMISSION;
return Sys_Suspend();
case SYS_SETTZ:
if (!Sched::HasCapability(CAP_SET_TIME)) return SYS_ERR_PERMISSION;
if (!Sched::Consent::Require(CAP_SET_TIME)) return SYS_ERR_PERMISSION;
return Sys_SetTZ((int32_t)frame->arg1);
case SYS_GETTZ:
return Sys_GetTZ();