mirror of https://github.com/AxioDL/amuse.git
Add bounds checking to SoundMacro execution loop
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c886bfd7d2
commit
eb948dfd63
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@ -103,7 +103,7 @@ if (APPLE AND (NOT CMAKE_OSX_DEPLOYMENT_TARGET OR CMAKE_OSX_DEPLOYMENT_TARGET VE
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)
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else()
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message(WARNING "Unable to find developer provision profile; skipping Amuse-AU")
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message(WARNING "Unable to find developer provisioning profile; skipping Amuse-AU")
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endif()
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endif()
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endif()
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@ -5,6 +5,7 @@
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#include <vector>
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#include <list>
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#include "Entity.hpp"
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#include "Common.hpp"
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namespace amuse
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{
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@ -119,6 +120,17 @@ class SoundMacroState
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/** 'program counter' stack for the active SoundMacro */
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std::vector<std::pair<const unsigned char*, int>> m_pc;
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static int _assertPC(int pc, uint32_t size);
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static int _assertPC(int pc, uint32_t size, bool swapSize)
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{
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return _assertPC(pc, swapSize ? SBig(size) : size);
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}
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void _setPC(int pc)
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{
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m_pc.back().second = _assertPC(pc, m_header.m_size);
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}
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double m_ticksPerSec; /**< ratio for resolving ticks in commands that use them */
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uint8_t m_initVel; /**< Velocity played for this macro invocation */
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uint8_t m_initMod; /**< Modulation played for this macro invocation */
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@ -13,6 +13,19 @@
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namespace amuse
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{
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int SoundMacroState::_assertPC(int pc, uint32_t size)
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{
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if (pc == -1)
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return -1;
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int cmdCount = (size - sizeof(Header)) / sizeof(Command);
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if (pc >= cmdCount)
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{
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fprintf(stderr, "SoundMacro PC bounds exceeded [%d/%d]\n", pc, cmdCount);
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abort();
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}
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return pc;
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}
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void SoundMacroState::Header::swapBig()
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{
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m_size = SBig(m_size);
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@ -133,7 +146,8 @@ void SoundMacroState::initialize(const unsigned char* ptr, int step, double tick
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m_curMod = midiMod;
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m_curPitch = midiKey * 100;
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m_pc.clear();
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m_pc.push_back({ptr, step});
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const Header& header = reinterpret_cast<const Header&>(ptr);
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m_pc.push_back({ptr, _assertPC(step, header.m_size, swapData)});
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m_inWait = false;
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m_execTime = 0.f;
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m_keyoff = false;
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@ -143,7 +157,7 @@ void SoundMacroState::initialize(const unsigned char* ptr, int step, double tick
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m_useAdsrControllers = false;
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m_portamentoMode = 2;
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m_portamentoTime = 0.5f;
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m_header = *reinterpret_cast<const Header*>(ptr);
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m_header = header;
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if (swapData)
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m_header.swapBig();
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}
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@ -180,6 +194,7 @@ bool SoundMacroState::advance(Voice& vox, double dt)
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/* Load next command based on counter */
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const Command* commands = reinterpret_cast<const Command*>(m_pc.back().first + sizeof(Header));
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_assertPC(m_pc.back().second, m_header.m_size);
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Command cmd = commands[m_pc.back().second++];
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if (vox.getAudioGroup().getDataFormat() != DataFormat::PC)
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cmd.swapBig();
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@ -189,7 +204,7 @@ bool SoundMacroState::advance(Voice& vox, double dt)
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{
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case Op::End:
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case Op::Stop:
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m_pc.back().second = -1;
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_setPC(-1);
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return true;
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case Op::SplitKey:
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{
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@ -201,7 +216,7 @@ bool SoundMacroState::advance(Voice& vox, double dt)
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{
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/* Do Branch */
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if (macroId == m_header.m_macroId)
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m_pc.back().second = macroStep;
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_setPC(macroStep);
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else
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vox.loadSoundObject(macroId, macroStep, m_ticksPerSec, m_initKey, m_initVel, m_initMod);
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}
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@ -218,7 +233,7 @@ bool SoundMacroState::advance(Voice& vox, double dt)
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{
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/* Do Branch */
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if (macroId == m_header.m_macroId)
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m_pc.back().second = macroStep;
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_setPC(macroStep);
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else
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vox.loadSoundObject(macroId, macroStep, m_ticksPerSec, m_initKey, m_initVel, m_initMod);
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}
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@ -287,7 +302,7 @@ bool SoundMacroState::advance(Voice& vox, double dt)
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{
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/* Loop back to step */
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--m_loopCountdown;
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m_pc.back().second = step;
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_setPC(step);
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}
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else /* Break out of loop */
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m_loopCountdown = -1;
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@ -301,7 +316,7 @@ bool SoundMacroState::advance(Voice& vox, double dt)
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/* Do Branch */
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if (macroId == m_header.m_macroId)
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m_pc.back().second = macroStep;
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_setPC(macroStep);
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else
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vox.loadSoundObject(macroId, macroStep, m_ticksPerSec, m_initKey, m_initVel, m_initMod);
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@ -389,7 +404,7 @@ bool SoundMacroState::advance(Voice& vox, double dt)
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{
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/* Do Branch */
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if (macroId == m_header.m_macroId)
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m_pc.back().second = macroStep;
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_setPC(macroStep);
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else
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vox.loadSoundObject(macroId, macroStep, m_ticksPerSec, m_initKey, m_initVel, m_initMod);
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}
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@ -511,7 +526,7 @@ bool SoundMacroState::advance(Voice& vox, double dt)
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{
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/* Do branch */
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if (macroId == m_header.m_macroId)
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m_pc.back().second = macroStep;
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_setPC(macroStep);
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else
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vox.loadSoundObject(macroId, macroStep, m_ticksPerSec, m_initKey, m_initVel, m_initMod);
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}
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@ -776,7 +791,7 @@ bool SoundMacroState::advance(Voice& vox, double dt)
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int16_t macroStep = *reinterpret_cast<int16_t*>(&cmd.m_data[3]);
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if (macroId == m_header.m_macroId)
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m_pc.push_back({m_pc.back().first, macroStep});
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m_pc.push_back({m_pc.back().first, _assertPC(macroStep, m_header.m_size)});
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else
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vox.loadSoundObject(macroId, macroStep, m_ticksPerSec, m_initKey, m_initVel, m_initMod, true);
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@ -1205,7 +1220,7 @@ bool SoundMacroState::advance(Voice& vox, double dt)
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b = m_variables[b];
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if ((a == b) ^ lnot)
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m_pc.back().second = macroStep;
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_setPC(macroStep);
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break;
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}
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@ -1229,7 +1244,7 @@ bool SoundMacroState::advance(Voice& vox, double dt)
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b = m_variables[b];
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if ((a < b) ^ lnot)
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m_pc.back().second = macroStep;
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_setPC(macroStep);
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break;
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}
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@ -46,7 +46,8 @@ void Voice::_macroSampleEnd()
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{
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if (m_sampleEndTrap.macroId == m_state.m_header.m_macroId)
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{
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m_state.m_pc.back().second = m_sampleEndTrap.macroStep;
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m_state.m_pc.back().second = SoundMacroState::_assertPC(m_sampleEndTrap.macroStep,
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m_state.m_header.m_size);
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m_state.m_inWait = false;
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}
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else
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@ -751,9 +752,11 @@ bool Voice::_loadSoundMacro(const unsigned char* macroData, int macroStep, doubl
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{
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if (!pushPc)
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m_state.m_pc.clear();
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m_state.m_pc.push_back({macroData, macroStep});
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m_state.m_header = *reinterpret_cast<const SoundMacroState::Header*>(macroData);
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if (m_audioGroup.getDataFormat() != DataFormat::PC)
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const SoundMacroState::Header& header = reinterpret_cast<const SoundMacroState::Header&>(macroData);
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const bool swapData = m_audioGroup.getDataFormat() != DataFormat::PC;
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m_state.m_pc.push_back({macroData, SoundMacroState::_assertPC(macroStep, header.m_size, swapData)});
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m_state.m_header = header;
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if (swapData)
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m_state.m_header.swapBig();
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}
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@ -846,7 +849,8 @@ void Voice::keyOff()
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{
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if (m_keyoffTrap.macroId == m_state.m_header.m_macroId)
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{
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m_state.m_pc.back().second = m_keyoffTrap.macroStep;
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m_state.m_pc.back().second = SoundMacroState::_assertPC(m_keyoffTrap.macroStep,
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m_state.m_header.m_size);
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m_state.m_inWait = false;
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}
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else
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@ -867,7 +871,8 @@ void Voice::message(int32_t val)
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if (m_messageTrap.macroId != 0xffff)
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{
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if (m_messageTrap.macroId == m_state.m_header.m_macroId)
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m_state.m_pc.back().second = m_messageTrap.macroStep;
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m_state.m_pc.back().second = SoundMacroState::_assertPC(m_messageTrap.macroStep,
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m_state.m_header.m_size);
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else
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loadSoundObject(m_messageTrap.macroId, m_messageTrap.macroStep, m_state.m_ticksPerSec, m_state.m_initKey,
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m_state.m_initVel, m_state.m_initMod);
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