diff options
| -rw-r--r-- | bignum.h | 3 | ||||
| -rw-r--r-- | makefile.unix | 19 | ||||
| -rw-r--r-- | script.cpp | 1314 | ||||
| -rw-r--r-- | script.h | 27 | ||||
| -rw-r--r-- | serialize.h | 4 | ||||
| -rw-r--r-- | setup.nsi | 6 |
6 files changed, 718 insertions, 655 deletions
@@ -401,7 +401,8 @@ public: CBigNum& operator>>=(unsigned int shift) { - // Note: BN_rshift segfaults on 64-bit ubuntu 9.10 if 2^shift is greater than the number + // Note: BN_rshift segfaults on 64-bit ubuntu 9.10 if 2^shift is greater than the number, + // tested OK on 64-bit ubuntu 10.4 if (!BN_rshift(this, this, shift)) throw bignum_error("CBigNum:operator>>= : BN_rshift failed"); return *this; diff --git a/makefile.unix b/makefile.unix index e2009dc5d1..e0489ed735 100644 --- a/makefile.unix +++ b/makefile.unix @@ -3,12 +3,21 @@ # file license.txt or http://www.opensource.org/licenses/mit-license.php. -WXLIBS=$(shell wx-config --debug=yes --libs --static) -WXFLAGS=$(shell wx-config --debug=yes --cppflags) +INCLUDEPATHS= \ + -I"/usr/include" \ + -I"/usr/local/include/wx-2.9" \ + -I"/usr/local/lib/wx/include/gtk2-unicode-debug-static-2.9" LIBPATHS= \ + -L"/usr/lib" \ -L"/usr/local/lib" +WXLIBS= \ + -Wl,-Bstatic \ + -l wx_gtk2ud-2.9 \ + -Wl,-Bdynamic \ + -l gtk-x11-2.0 -l SM + LIBS= \ -Wl,-Bstatic \ -l boost_system \ @@ -22,7 +31,7 @@ LIBS= \ DEFS=-D__WXGTK__ -DNOPCH DEBUGFLAGS=-g -D__WXDEBUG__ -CFLAGS=-O2 -Wno-invalid-offsetof -Wformat $(DEBUGFLAGS) $(DEFS) +CFLAGS=-O2 -Wno-invalid-offsetof -Wformat $(DEBUGFLAGS) $(DEFS) $(INCLUDEPATHS) HEADERS=headers.h strlcpy.h serialize.h uint256.h util.h key.h bignum.h base58.h \ script.h db.h net.h irc.h main.h rpc.h uibase.h ui.h noui.h init.h @@ -43,10 +52,10 @@ all: bitcoin headers.h.gch: headers.h $(HEADERS) - g++ -c $(CFLAGS) $(WXFLAGS) -DGUI -o $@ $< + g++ -c $(CFLAGS) -DGUI -o $@ $< obj/%.o: %.cpp $(HEADERS) headers.h.gch - g++ -c $(CFLAGS) $(WXFLAGS) -DGUI -o $@ $< + g++ -c $(CFLAGS) -DGUI -o $@ $< cryptopp/obj/%.o: cryptopp/%.cpp g++ -c $(CFLAGS) -O3 -DCRYPTOPP_DISABLE_SSE2 -o $@ $< diff --git a/script.cpp b/script.cpp index fc4feaad81..823dc56d01 100644 --- a/script.cpp +++ b/script.cpp @@ -16,6 +16,7 @@ static const CBigNum bnZero(0); static const CBigNum bnOne(1); static const CBigNum bnFalse(0); static const CBigNum bnTrue(1); +static const size_t nMaxNumSize = 258; bool CastToBool(const valtype& vch) @@ -53,752 +54,779 @@ bool EvalScript(const CScript& script, const CTransaction& txTo, unsigned int nI vector<valtype> altstack; if (pvStackRet) pvStackRet->clear(); + if (script.size() > 20000) + return false; - while (pc < pend) + try { - bool fExec = !count(vfExec.begin(), vfExec.end(), false); - - // - // Read instruction - // - opcodetype opcode; - valtype vchPushValue; - if (!script.GetOp(pc, opcode, vchPushValue)) - return false; - - if (fExec && opcode <= OP_PUSHDATA4) - stack.push_back(vchPushValue); - else if (fExec || (OP_IF <= opcode && opcode <= OP_ENDIF)) - switch (opcode) + while (pc < pend) { - // - // Push value - // - case OP_1NEGATE: - case OP_1: - case OP_2: - case OP_3: - case OP_4: - case OP_5: - case OP_6: - case OP_7: - case OP_8: - case OP_9: - case OP_10: - case OP_11: - case OP_12: - case OP_13: - case OP_14: - case OP_15: - case OP_16: - { - // ( -- value) - CBigNum bn((int)opcode - (int)(OP_1 - 1)); - stack.push_back(bn.getvch()); - } - break; - + bool fExec = !count(vfExec.begin(), vfExec.end(), false); // - // Control + // Read instruction // - case OP_NOP: - break; - - case OP_VER: - { - CBigNum bn(VERSION); - stack.push_back(bn.getvch()); - } - break; + opcodetype opcode; + valtype vchPushValue; + if (!script.GetOp(pc, opcode, vchPushValue)) + return false; + if (vchPushValue.size() > 5000) + return false; - case OP_IF: - case OP_NOTIF: - case OP_VERIF: - case OP_VERNOTIF: + if (fExec && opcode <= OP_PUSHDATA4) + stack.push_back(vchPushValue); + else if (fExec || (OP_IF <= opcode && opcode <= OP_ENDIF)) + switch (opcode) { - // <expression> if [statements] [else [statements]] endif - bool fValue = false; - if (fExec) + // + // Push value + // + case OP_1NEGATE: + case OP_1: + case OP_2: + case OP_3: + case OP_4: + case OP_5: + case OP_6: + case OP_7: + case OP_8: + case OP_9: + case OP_10: + case OP_11: + case OP_12: + case OP_13: + case OP_14: + case OP_15: + case OP_16: { - if (stack.size() < 1) - return false; - valtype& vch = stacktop(-1); - if (opcode == OP_VERIF || opcode == OP_VERNOTIF) - fValue = (CBigNum(VERSION) >= CBigNum(vch)); - else - fValue = CastToBool(vch); - if (opcode == OP_NOTIF || opcode == OP_VERNOTIF) - fValue = !fValue; - stack.pop_back(); + // ( -- value) + CBigNum bn((int)opcode - (int)(OP_1 - 1)); + stack.push_back(bn.getvch()); } - vfExec.push_back(fValue); - } - break; - - case OP_ELSE: - { - if (vfExec.empty()) - return false; - vfExec.back() = !vfExec.back(); - } - break; - - case OP_ENDIF: - { - if (vfExec.empty()) - return false; - vfExec.pop_back(); - } - break; - - case OP_VERIFY: - { - // (true -- ) or - // (false -- false) and return - if (stack.size() < 1) - return false; - bool fValue = CastToBool(stacktop(-1)); - if (fValue) - stack.pop_back(); - else - pc = pend; - } - break; - - case OP_RETURN: - { - pc = pend; - } - break; + break; - // - // Stack ops - // - case OP_TOALTSTACK: - { - if (stack.size() < 1) - return false; - altstack.push_back(stacktop(-1)); - stack.pop_back(); - } - break; + // + // Control + // + case OP_NOP: + case OP_NOP1: case OP_NOP2: case OP_NOP3: case OP_NOP4: case OP_NOP5: + case OP_NOP6: case OP_NOP7: case OP_NOP8: case OP_NOP9: case OP_NOP10: + break; - case OP_FROMALTSTACK: - { - if (altstack.size() < 1) + case OP_VER: + case OP_VERIF: + case OP_VERNOTIF: + { return false; - stack.push_back(altstacktop(-1)); - altstack.pop_back(); - } - break; + } + break; - case OP_2DROP: - { - // (x1 x2 -- ) - stack.pop_back(); - stack.pop_back(); - } - break; + case OP_IF: + case OP_NOTIF: + { + // <expression> if [statements] [else [statements]] endif + bool fValue = false; + if (fExec) + { + if (stack.size() < 1) + return false; + valtype& vch = stacktop(-1); + fValue = CastToBool(vch); + if (opcode == OP_NOTIF) + fValue = !fValue; + stack.pop_back(); + } + vfExec.push_back(fValue); + } + break; - case OP_2DUP: - { - // (x1 x2 -- x1 x2 x1 x2) - if (stack.size() < 2) - return false; - valtype vch1 = stacktop(-2); - valtype vch2 = stacktop(-1); - stack.push_back(vch1); - stack.push_back(vch2); - } - break; + case OP_ELSE: + { + if (vfExec.empty()) + return false; + vfExec.back() = !vfExec.back(); + } + break; - case OP_3DUP: - { - // (x1 x2 x3 -- x1 x2 x3 x1 x2 x3) - if (stack.size() < 3) - return false; - valtype vch1 = stacktop(-3); - valtype vch2 = stacktop(-2); - valtype vch3 = stacktop(-1); - stack.push_back(vch1); - stack.push_back(vch2); - stack.push_back(vch3); - } - break; + case OP_ENDIF: + { + if (vfExec.empty()) + return false; + vfExec.pop_back(); + } + break; - case OP_2OVER: - { - // (x1 x2 x3 x4 -- x1 x2 x3 x4 x1 x2) - if (stack.size() < 4) - return false; - valtype vch1 = stacktop(-4); - valtype vch2 = stacktop(-3); - stack.push_back(vch1); - stack.push_back(vch2); - } - break; + case OP_VERIFY: + { + // (true -- ) or + // (false -- false) and return + if (stack.size() < 1) + return false; + bool fValue = CastToBool(stacktop(-1)); + if (fValue) + stack.pop_back(); + else + return false; + } + break; - case OP_2ROT: - { - // (x1 x2 x3 x4 x5 x6 -- x3 x4 x5 x6 x1 x2) - if (stack.size() < 6) + case OP_RETURN: + { return false; - valtype vch1 = stacktop(-6); - valtype vch2 = stacktop(-5); - stack.erase(stack.end()-6, stack.end()-4); - stack.push_back(vch1); - stack.push_back(vch2); - } - break; + } + break; - case OP_2SWAP: - { - // (x1 x2 x3 x4 -- x3 x4 x1 x2) - if (stack.size() < 4) - return false; - swap(stacktop(-4), stacktop(-2)); - swap(stacktop(-3), stacktop(-1)); - } - break; - case OP_IFDUP: - { - // (x - 0 | x x) - if (stack.size() < 1) - return false; - valtype vch = stacktop(-1); - if (CastToBool(vch)) - stack.push_back(vch); - } - break; + // + // Stack ops + // + case OP_TOALTSTACK: + { + if (stack.size() < 1) + return false; + altstack.push_back(stacktop(-1)); + stack.pop_back(); + } + break; - case OP_DEPTH: - { - // -- stacksize - CBigNum bn(stack.size()); - stack.push_back(bn.getvch()); - } - break; + case OP_FROMALTSTACK: + { + if (altstack.size() < 1) + return false; + stack.push_back(altstacktop(-1)); + altstack.pop_back(); + } + break; - case OP_DROP: - { - // (x -- ) - if (stack.size() < 1) - return false; - stack.pop_back(); - } - break; + case OP_2DROP: + { + // (x1 x2 -- ) + stack.pop_back(); + stack.pop_back(); + } + break; - case OP_DUP: - { - // (x -- x x) - if (stack.size() < 1) - return false; - valtype vch = stacktop(-1); - stack.push_back(vch); - } - break; + case OP_2DUP: + { + // (x1 x2 -- x1 x2 x1 x2) + if (stack.size() < 2) + return false; + valtype vch1 = stacktop(-2); + valtype vch2 = stacktop(-1); + stack.push_back(vch1); + stack.push_back(vch2); + } + break; - case OP_NIP: - { - // (x1 x2 -- x2) - if (stack.size() < 2) - return false; - stack.erase(stack.end() - 2); - } - break; + case OP_3DUP: + { + // (x1 x2 x3 -- x1 x2 x3 x1 x2 x3) + if (stack.size() < 3) + return false; + valtype vch1 = stacktop(-3); + valtype vch2 = stacktop(-2); + valtype vch3 = stacktop(-1); + stack.push_back(vch1); + stack.push_back(vch2); + stack.push_back(vch3); + } + break; - case OP_OVER: - { - // (x1 x2 -- x1 x2 x1) - if (stack.size() < 2) - return false; - valtype vch = stacktop(-2); - stack.push_back(vch); - } - break; + case OP_2OVER: + { + // (x1 x2 x3 x4 -- x1 x2 x3 x4 x1 x2) + if (stack.size() < 4) + return false; + valtype vch1 = stacktop(-4); + valtype vch2 = stacktop(-3); + stack.push_back(vch1); + stack.push_back(vch2); + } + break; - case OP_PICK: - case OP_ROLL: - { - // (xn ... x2 x1 x0 n - xn ... x2 x1 x0 xn) - // (xn ... x2 x1 x0 n - ... x2 x1 x0 xn) - if (stack.size() < 2) - return false; - int n = CBigNum(stacktop(-1)).getint(); - stack.pop_back(); - if (n < 0 || n >= stack.size()) - return false; - valtype vch = stacktop(-n-1); - if (opcode == OP_ROLL) - stack.erase(stack.end()-n-1); - stack.push_back(vch); - } - break; + case OP_2ROT: + { + // (x1 x2 x3 x4 x5 x6 -- x3 x4 x5 x6 x1 x2) + if (stack.size() < 6) + return false; + valtype vch1 = stacktop(-6); + valtype vch2 = stacktop(-5); + stack.erase(stack.end()-6, stack.end()-4); + stack.push_back(vch1); + stack.push_back(vch2); + } + break; - case OP_ROT: - { - // (x1 x2 x3 -- x2 x3 x1) - // x2 x1 x3 after first swap - // x2 x3 x1 after second swap - if (stack.size() < 3) - return false; - swap(stacktop(-3), stacktop(-2)); - swap(stacktop(-2), stacktop(-1)); - } - break; + case OP_2SWAP: + { + // (x1 x2 x3 x4 -- x3 x4 x1 x2) + if (stack.size() < 4) + return false; + swap(stacktop(-4), stacktop(-2)); + swap(stacktop(-3), stacktop(-1)); + } + break; - case OP_SWAP: - { - // (x1 x2 -- x2 x1) - if (stack.size() < 2) - return false; - swap(stacktop(-2), stacktop(-1)); - } - break; + case OP_IFDUP: + { + // (x - 0 | x x) + if (stack.size() < 1) + return false; + valtype vch = stacktop(-1); + if (CastToBool(vch)) + stack.push_back(vch); + } + break; - case OP_TUCK: - { - // (x1 x2 -- x2 x1 x2) - if (stack.size() < 2) - return false; - valtype vch = stacktop(-1); - stack.insert(stack.end()-2, vch); - } - break; + case OP_DEPTH: + { + // -- stacksize + CBigNum bn(stack.size()); + stack.push_back(bn.getvch()); + } + break; + case OP_DROP: + { + // (x -- ) + if (stack.size() < 1) + return false; + stack.pop_back(); + } + break; - // - // Splice ops - // - case OP_CAT: - { - // (x1 x2 -- out) - if (stack.size() < 2) - return false; - valtype& vch1 = stacktop(-2); - valtype& vch2 = stacktop(-1); - vch1.insert(vch1.end(), vch2.begin(), vch2.end()); - stack.pop_back(); - } - break; + case OP_DUP: + { + // (x -- x x) + if (stack.size() < 1) + return false; + valtype vch = stacktop(-1); + stack.push_back(vch); + } + break; - case OP_SUBSTR: - { - // (in begin size -- out) - if (stack.size() < 3) - return false; - valtype& vch = stacktop(-3); - int nBegin = CBigNum(stacktop(-2)).getint(); - int nEnd = nBegin + CBigNum(stacktop(-1)).getint(); - if (nBegin < 0 || nEnd < nBegin) - return false; - if (nBegin > vch.size()) - nBegin = vch.size(); - if (nEnd > vch.size()) - nEnd = vch.size(); - vch.erase(vch.begin() + nEnd, vch.end()); - vch.erase(vch.begin(), vch.begin() + nBegin); - stack.pop_back(); - stack.pop_back(); - } - break; + case OP_NIP: + { + // (x1 x2 -- x2) + if (stack.size() < 2) + return false; + stack.erase(stack.end() - 2); + } + break; - case OP_LEFT: - case OP_RIGHT: - { - // (in size -- out) - if (stack.size() < 2) - return false; - valtype& vch = stacktop(-2); - int nSize = CBigNum(stacktop(-1)).getint(); - if (nSize < 0) - return false; - if (nSize > vch.size()) - nSize = vch.size(); - if (opcode == OP_LEFT) - vch.erase(vch.begin() + nSize, vch.end()); - else - vch.erase(vch.begin(), vch.end() - nSize); - stack.pop_back(); - } - break; + case OP_OVER: + { + // (x1 x2 -- x1 x2 x1) + if (stack.size() < 2) + return false; + valtype vch = stacktop(-2); + stack.push_back(vch); + } + break; - case OP_SIZE: - { - // (in -- in size) - if (stack.size() < 1) - return false; - CBigNum bn(stacktop(-1).size()); - stack.push_back(bn.getvch()); - } - break; + case OP_PICK: + case OP_ROLL: + { + // (xn ... x2 x1 x0 n - xn ... x2 x1 x0 xn) + // (xn ... x2 x1 x0 n - ... x2 x1 x0 xn) + if (stack.size() < 2) + return false; + int n = CBigNum(stacktop(-1)).getint(); + stack.pop_back(); + if (n < 0 || n >= stack.size()) + return false; + valtype vch = stacktop(-n-1); + if (opcode == OP_ROLL) + stack.erase(stack.end()-n-1); + stack.push_back(vch); + } + break; + case OP_ROT: + { + // (x1 x2 x3 -- x2 x3 x1) + // x2 x1 x3 after first swap + // x2 x3 x1 after second swap + if (stack.size() < 3) + return false; + swap(stacktop(-3), stacktop(-2)); + swap(stacktop(-2), stacktop(-1)); + } + break; - // - // Bitwise logic - // - case OP_INVERT: - { - // (in - out) - if (stack.size() < 1) - return false; - valtype& vch = stacktop(-1); - for (int i = 0; i < vch.size(); i++) - vch[i] = ~vch[i]; - } - break; + case OP_SWAP: + { + // (x1 x2 -- x2 x1) + if (stack.size() < 2) + return false; + swap(stacktop(-2), stacktop(-1)); + } + break; - case OP_AND: - case OP_OR: - case OP_XOR: - { - // (x1 x2 - out) - if (stack.size() < 2) - return false; - valtype& vch1 = stacktop(-2); - valtype& vch2 = stacktop(-1); - MakeSameSize(vch1, vch2); - if (opcode == OP_AND) + case OP_TUCK: { - for (int i = 0; i < vch1.size(); i++) - vch1[i] &= vch2[i]; + // (x1 x2 -- x2 x1 x2) + if (stack.size() < 2) + return false; + valtype vch = stacktop(-1); + stack.insert(stack.end()-2, vch); } - else if (opcode == OP_OR) + break; + + + // + // Splice ops + // + case OP_CAT: { - for (int i = 0; i < vch1.size(); i++) - vch1[i] |= vch2[i]; + // (x1 x2 -- out) + if (stack.size() < 2) + return false; + valtype& vch1 = stacktop(-2); + valtype& vch2 = stacktop(-1); + vch1.insert(vch1.end(), vch2.begin(), vch2.end()); + stack.pop_back(); + if (stacktop(-1).size() > 5000) + return false; } - else if (opcode == OP_XOR) + break; + + case OP_SUBSTR: { - for (int i = 0; i < vch1.size(); i++) - vch1[i] ^= vch2[i]; + // (in begin size -- out) + if (stack.size() < 3) + return false; + valtype& vch = stacktop(-3); + int nBegin = CBigNum(stacktop(-2)).getint(); + int nEnd = nBegin + CBigNum(stacktop(-1)).getint(); + if (nBegin < 0 || nEnd < nBegin) + return false; + if (nBegin > vch.size()) + nBegin = vch.size(); + if (nEnd > vch.size()) + nEnd = vch.size(); + vch.erase(vch.begin() + nEnd, vch.end()); + vch.erase(vch.begin(), vch.begin() + nBegin); + stack.pop_back(); + stack.pop_back(); } - stack.pop_back(); - } - break; + break; - case OP_EQUAL: - case OP_EQUALVERIFY: - //case OP_NOTEQUAL: // use OP_NUMNOTEQUAL - { - // (x1 x2 - bool) - if (stack.size() < 2) - return false; - valtype& vch1 = stacktop(-2); - valtype& vch2 = stacktop(-1); - bool fEqual = (vch1 == vch2); - // OP_NOTEQUAL is disabled because it would be too easy to say - // something like n != 1 and have some wiseguy pass in 1 with extra - // zero bytes after it (numerically, 0x01 == 0x0001 == 0x000001) - //if (opcode == OP_NOTEQUAL) - // fEqual = !fEqual; - stack.pop_back(); - stack.pop_back(); - stack.push_back(fEqual ? vchTrue : vchFalse); - if (opcode == OP_EQUALVERIFY) + case OP_LEFT: + case OP_RIGHT: { - if (fEqual) - stack.pop_back(); + // (in size -- out) + if (stack.size() < 2) + return false; + valtype& vch = stacktop(-2); + int nSize = CBigNum(stacktop(-1)).getint(); + if (nSize < 0) + return false; + if (nSize > vch.size()) + nSize = vch.size(); + if (opcode == OP_LEFT) + vch.erase(vch.begin() + nSize, vch.end()); else - pc = pend; + vch.erase(vch.begin(), vch.end() - nSize); + stack.pop_back(); } - } - break; - + break; - // - // Numeric - // - case OP_1ADD: - case OP_1SUB: - case OP_2MUL: - case OP_2DIV: - case OP_NEGATE: - case OP_ABS: - case OP_NOT: - case OP_0NOTEQUAL: - { - // (in -- out) - if (stack.size() < 1) - return false; - CBigNum bn(stacktop(-1)); - switch (opcode) + case OP_SIZE: { - case OP_1ADD: bn += bnOne; break; - case OP_1SUB: bn -= bnOne; break; - case OP_2MUL: bn <<= 1; break; - case OP_2DIV: bn >>= 1; break; - case OP_NEGATE: bn = -bn; break; - case OP_ABS: if (bn < bnZero) bn = -bn; break; - case OP_NOT: bn = (bn == bnZero); break; - case OP_0NOTEQUAL: bn = (bn != bnZero); break; + // (in -- in size) + if (stack.size() < 1) + return false; + CBigNum bn(stacktop(-1).size()); + stack.push_back(bn.getvch()); } - stack.pop_back(); - stack.push_back(bn.getvch()); - } - break; - - case OP_ADD: - case OP_SUB: - case OP_MUL: - case OP_DIV: - case OP_MOD: - case OP_LSHIFT: - case OP_RSHIFT: - case OP_BOOLAND: - case OP_BOOLOR: - case OP_NUMEQUAL: - case OP_NUMEQUALVERIFY: - case OP_NUMNOTEQUAL: - case OP_LESSTHAN: - case OP_GREATERTHAN: - case OP_LESSTHANOREQUAL: - case OP_GREATERTHANOREQUAL: - case OP_MIN: - case OP_MAX: - { - // (x1 x2 -- out) - if (stack.size() < 2) - return false; - CBigNum bn1(stacktop(-2)); - CBigNum bn2(stacktop(-1)); - CBigNum bn; - switch (opcode) - { - case OP_ADD: - bn = bn1 + bn2; - break; + break; - case OP_SUB: - bn = bn1 - bn2; - break; - case OP_MUL: - if (!BN_mul(&bn, &bn1, &bn2, pctx)) + // + // Bitwise logic + // + case OP_INVERT: + { + // (in - out) + if (stack.size() < 1) return false; - break; + valtype& vch = stacktop(-1); + for (int i = 0; i < vch.size(); i++) + vch[i] = ~vch[i]; + } + break; - case OP_DIV: - if (!BN_div(&bn, NULL, &bn1, &bn2, pctx)) + case OP_AND: + case OP_OR: + case OP_XOR: + { + // (x1 x2 - out) + if (stack.size() < 2) return false; - break; + valtype& vch1 = stacktop(-2); + valtype& vch2 = stacktop(-1); + MakeSameSize(vch1, vch2); + if (opcode == OP_AND) + { + for (int i = 0; i < vch1.size(); i++) + vch1[i] &= vch2[i]; + } + else if (opcode == OP_OR) + { + for (int i = 0; i < vch1.size(); i++) + vch1[i] |= vch2[i]; + } + else if (opcode == OP_XOR) + { + for (int i = 0; i < vch1.size(); i++) + vch1[i] ^= vch2[i]; + } + stack.pop_back(); + } + break; - case OP_MOD: - if (!BN_mod(&bn, &bn1, &bn2, pctx)) + case OP_EQUAL: + case OP_EQUALVERIFY: + //case OP_NOTEQUAL: // use OP_NUMNOTEQUAL + { + // (x1 x2 - bool) + if (stack.size() < 2) return false; - break; + valtype& vch1 = stacktop(-2); + valtype& vch2 = stacktop(-1); + bool fEqual = (vch1 == vch2); + // OP_NOTEQUAL is disabled because it would be too easy to say + // something like n != 1 and have some wiseguy pass in 1 with extra + // zero bytes after it (numerically, 0x01 == 0x0001 == 0x000001) + //if (opcode == OP_NOTEQUAL) + // fEqual = !fEqual; + stack.pop_back(); + stack.pop_back(); + stack.push_back(fEqual ? vchTrue : vchFalse); + if (opcode == OP_EQUALVERIFY) + { + if (fEqual) + stack.pop_back(); + else + return false; + } + } + break; - case OP_LSHIFT: - if (bn2 < bnZero) + + // + // Numeric + // + case OP_1ADD: + case OP_1SUB: + case OP_2MUL: + case OP_2DIV: + case OP_NEGATE: + case OP_ABS: + case OP_NOT: + case OP_0NOTEQUAL: + { + // (in -- out) + if (stack.size() < 1) return false; - bn = bn1 << bn2.getulong(); - break; + if (stacktop(-1).size() > nMaxNumSize) + return false; + CBigNum bn(stacktop(-1)); + switch (opcode) + { + case OP_1ADD: bn += bnOne; break; + case OP_1SUB: bn -= bnOne; break; + case OP_2MUL: bn <<= 1; break; + case OP_2DIV: bn >>= 1; break; + case OP_NEGATE: bn = -bn; break; + case OP_ABS: if (bn < bnZero) bn = -bn; break; + case OP_NOT: bn = (bn == bnZero); break; + case OP_0NOTEQUAL: bn = (bn != bnZero); break; + } + stack.pop_back(); + stack.push_back(bn.getvch()); + } + break; + case OP_ADD: + case OP_SUB: + case OP_MUL: + case OP_DIV: + case OP_MOD: + case OP_LSHIFT: case OP_RSHIFT: - if (bn2 < bnZero) + case OP_BOOLAND: + case OP_BOOLOR: + case OP_NUMEQUAL: + case OP_NUMEQUALVERIFY: + case OP_NUMNOTEQUAL: + case OP_LESSTHAN: + case OP_GREATERTHAN: + case OP_LESSTHANOREQUAL: + case OP_GREATERTHANOREQUAL: + case OP_MIN: + case OP_MAX: + { + // (x1 x2 -- out) + if (stack.size() < 2) return false; - bn = bn1 >> bn2.getulong(); - break; + if (stacktop(-2).size() > nMaxNumSize || + stacktop(-1).size() > nMaxNumSize) + return false; + CBigNum bn1(stacktop(-2)); + CBigNum bn2(stacktop(-1)); + CBigNum bn; + switch (opcode) + { + case OP_ADD: + bn = bn1 + bn2; + break; + + case OP_SUB: + bn = bn1 - bn2; + break; + + case OP_MUL: + if (!BN_mul(&bn, &bn1, &bn2, pctx)) + return false; + break; + + case OP_DIV: + if (!BN_div(&bn, NULL, &bn1, &bn2, pctx)) + return false; + break; + + case OP_MOD: + if (!BN_mod(&bn, &bn1, &bn2, pctx)) + return false; + break; + + case OP_LSHIFT: + if (bn2 < bnZero || bn2 > CBigNum(2048)) + return false; + bn = bn1 << bn2.getulong(); + break; + + case OP_RSHIFT: + if (bn2 < bnZero || bn2 > CBigNum(2048)) + return false; + bn = bn1 >> bn2.getulong(); + break; + + case OP_BOOLAND: bn = (bn1 != bnZero && bn2 != bnZero); break; + case OP_BOOLOR: bn = (bn1 != bnZero || bn2 != bnZero); break; + case OP_NUMEQUAL: bn = (bn1 == bn2); break; + case OP_NUMEQUALVERIFY: bn = (bn1 == bn2); break; + case OP_NUMNOTEQUAL: bn = (bn1 != bn2); break; + case OP_LESSTHAN: bn = (bn1 < bn2); break; + case OP_GREATERTHAN: bn = (bn1 > bn2); break; + case OP_LESSTHANOREQUAL: bn = (bn1 <= bn2); break; + case OP_GREATERTHANOREQUAL: bn = (bn1 >= bn2); break; + case OP_MIN: bn = (bn1 < bn2 ? bn1 : bn2); break; + case OP_MAX: bn = (bn1 > bn2 ? bn1 : bn2); break; + } + stack.pop_back(); + stack.pop_back(); + stack.push_back(bn.getvch()); - case OP_BOOLAND: bn = (bn1 != bnZero && bn2 != bnZero); break; - case OP_BOOLOR: bn = (bn1 != bnZero || bn2 != bnZero); break; - case OP_NUMEQUAL: bn = (bn1 == bn2); break; - case OP_NUMEQUALVERIFY: bn = (bn1 == bn2); break; - case OP_NUMNOTEQUAL: bn = (bn1 != bn2); break; - case OP_LESSTHAN: bn = (bn1 < bn2); break; - case OP_GREATERTHAN: bn = (bn1 > bn2); break; - case OP_LESSTHANOREQUAL: bn = (bn1 <= bn2); break; - case OP_GREATERTHANOREQUAL: bn = (bn1 >= bn2); break; - case OP_MIN: bn = (bn1 < bn2 ? bn1 : bn2); break; - case OP_MAX: bn = (bn1 > bn2 ? bn1 : bn2); break; + if (opcode == OP_NUMEQUALVERIFY) + { + if (CastToBool(stacktop(-1))) + stack.pop_back(); + else + return false; + } } - stack.pop_back(); - stack.pop_back(); - stack.push_back(bn.getvch()); + break; - if (opcode == OP_NUMEQUALVERIFY) + case OP_WITHIN: { - if (CastToBool(stacktop(-1))) - stack.pop_back(); - else - pc = pend; + // (x min max -- out) + if (stack.size() < 3) + return false; + if (stacktop(-3).size() > nMaxNumSize || + stacktop(-2).size() > nMaxNumSize || + stacktop(-1).size() > nMaxNumSize) + return false; + CBigNum bn1(stacktop(-3)); + CBigNum bn2(stacktop(-2)); + CBigNum bn3(stacktop(-1)); + bool fValue = (bn2 <= bn1 && bn1 < bn3); + stack.pop_back(); + stack.pop_back(); + stack.pop_back(); + stack.push_back(fValue ? vchTrue : vchFalse); } - } - break; - - case OP_WITHIN: - { - // (x min max -- out) - if (stack.size() < 3) - return false; - CBigNum bn1(stacktop(-3)); - CBigNum bn2(stacktop(-2)); - CBigNum bn3(stacktop(-1)); - bool fValue = (bn2 <= bn1 && bn1 < bn3); - stack.pop_back(); - stack.pop_back(); - stack.pop_back(); - stack.push_back(fValue ? vchTrue : vchFalse); - } - break; + break; - // - // Crypto - // - case OP_RIPEMD160: - case OP_SHA1: - case OP_SHA256: - case OP_HASH160: - case OP_HASH256: - { - // (in -- hash) - if (stack.size() < 1) - return false; - valtype& vch = stacktop(-1); - valtype vchHash((opcode == OP_RIPEMD160 || opcode == OP_SHA1 || opcode == OP_HASH160) ? 20 : 32); - if (opcode == OP_RIPEMD160) - RIPEMD160(&vch[0], vch.size(), &vchHash[0]); - else if (opcode == OP_SHA1) - SHA1(&vch[0], vch.size(), &vchHash[0]); - else if (opcode == OP_SHA256) - SHA256(&vch[0], vch.size(), &vchHash[0]); - else if (opcode == OP_HASH160) + // + // Crypto + // + case OP_RIPEMD160: + case OP_SHA1: + case OP_SHA256: + case OP_HASH160: + case OP_HASH256: { - uint160 hash160 = Hash160(vch); - memcpy(&vchHash[0], &hash160, sizeof(hash160)); + // (in -- hash) + if (stack.size() < 1) + return false; + valtype& vch = stacktop(-1); + valtype vchHash((opcode == OP_RIPEMD160 || opcode == OP_SHA1 || opcode == OP_HASH160) ? 20 : 32); + if (opcode == OP_RIPEMD160) + RIPEMD160(&vch[0], vch.size(), &vchHash[0]); + else if (opcode == OP_SHA1) + SHA1(&vch[0], vch.size(), &vchHash[0]); + else if (opcode == OP_SHA256) + SHA256(&vch[0], vch.size(), &vchHash[0]); + else if (opcode == OP_HASH160) + { + uint160 hash160 = Hash160(vch); + memcpy(&vchHash[0], &hash160, sizeof(hash160)); + } + else if (opcode == OP_HASH256) + { + uint256 hash = Hash(vch.begin(), vch.end()); + memcpy(&vchHash[0], &hash, sizeof(hash)); + } + stack.pop_back(); + stack.push_back(vchHash); } - else if (opcode == OP_HASH256) + break; + + case OP_CODESEPARATOR: { - uint256 hash = Hash(vch.begin(), vch.end()); - memcpy(&vchHash[0], &hash, sizeof(hash)); + // Hash starts after the code separator + pbegincodehash = pc; } - stack.pop_back(); - stack.push_back(vchHash); - } - break; + break; - case OP_CODESEPARATOR: - { - // Hash starts after the code separator - pbegincodehash = pc; - } - break; + case OP_CHECKSIG: + case OP_CHECKSIGVERIFY: + { + // (sig pubkey -- bool) + if (stack.size() < 2) + return false; - case OP_CHECKSIG: - case OP_CHECKSIGVERIFY: - { - // (sig pubkey -- bool) - if (stack.size() < 2) - return false; + valtype& vchSig = stacktop(-2); + valtype& vchPubKey = stacktop(-1); - valtype& vchSig = stacktop(-2); - valtype& vchPubKey = stacktop(-1); + ////// debug print + //PrintHex(vchSig.begin(), vchSig.end(), "sig: %s\n"); + //PrintHex(vchPubKey.begin(), vchPubKey.end(), "pubkey: %s\n"); - ////// debug print - //PrintHex(vchSig.begin(), vchSig.end(), "sig: %s\n"); - //PrintHex(vchPubKey.begin(), vchPubKey.end(), "pubkey: %s\n"); + // Subset of script starting at the most recent codeseparator + CScript scriptCode(pbegincodehash, pend); - // Subset of script starting at the most recent codeseparator - CScript scriptCode(pbegincodehash, pend); + // Drop the signature, since there's no way for a signature to sign itself + scriptCode.FindAndDelete(CScript(vchSig)); - // Drop the signature, since there's no way for a signature to sign itself - scriptCode.FindAndDelete(CScript(vchSig)); + bool fSuccess = CheckSig(vchSig, vchPubKey, scriptCode, txTo, nIn, nHashType); - bool fSuccess = CheckSig(vchSig, vchPubKey, scriptCode, txTo, nIn, nHashType); + stack.pop_back(); + stack.pop_back(); + stack.push_back(fSuccess ? vchTrue : vchFalse); + if (opcode == OP_CHECKSIGVERIFY) + { + if (fSuccess) + stack.pop_back(); + else + return false; + } + } + break; - stack.pop_back(); - stack.pop_back(); - stack.push_back(fSuccess ? vchTrue : vchFalse); - if (opcode == OP_CHECKSIGVERIFY) + case OP_CHECKMULTISIG: + case OP_CHECKMULTISIGVERIFY: { - if (fSuccess) - stack.pop_back(); - else - pc = pend; - } - } - break; + // ([sig ...] num_of_signatures [pubkey ...] num_of_pubkeys -- bool) - case OP_CHECKMULTISIG: - case OP_CHECKMULTISIGVERIFY: - { - // ([sig ...] num_of_signatures [pubkey ...] num_of_pubkeys -- bool) + int i = 1; + if (stack.size() < i) + return false; - int i = 1; - if (stack.size() < i) - return false; + int nKeysCount = CBigNum(stacktop(-i)).getint(); + if (nKeysCount < 0) + return false; + int ikey = ++i; + i += nKeysCount; + if (stack.size() < i) + return false; - int nKeysCount = CBigNum(stacktop(-i)).getint(); - if (nKeysCount < 0) - return false; - int ikey = ++i; - i += nKeysCount; - if (stack.size() < i) - return false; + int nSigsCount = CBigNum(stacktop(-i)).getint(); + if (nSigsCount < 0 || nSigsCount > nKeysCount) + return false; + int isig = ++i; + i += nSigsCount; + if (stack.size() < i) + return false; - int nSigsCount = CBigNum(stacktop(-i)).getint(); - if (nSigsCount < 0 || nSigsCount > nKeysCount) - return false; - int isig = ++i; - i += nSigsCount; - if (stack.size() < i) - return false; + // Subset of script starting at the most recent codeseparator + CScript scriptCode(pbegincodehash, pend); - // Subset of script starting at the most recent codeseparator - CScript scriptCode(pbegincodehash, pend); + // Drop the signatures, since there's no way for a signature to sign itself + for (int k = 0; k < nSigsCount; k++) + { + valtype& vchSig = stacktop(-isig-k); + scriptCode.FindAndDelete(CScript(vchSig)); + } - // Drop the signatures, since there's no way for a signature to sign itself - for (int k = 0; k < nSigsCount; k++) - { - valtype& vchSig = stacktop(-isig-k); - scriptCode.FindAndDelete(CScript(vchSig)); - } + bool fSuccess = true; + while (fSuccess && nSigsCount > 0) + { + valtype& vchSig = stacktop(-isig); + valtype& vchPubKey = stacktop(-ikey); + + // Check signature + if (CheckSig(vchSig, vchPubKey, scriptCode, txTo, nIn, nHashType)) + { + isig++; + nSigsCount--; + } + ikey++; + nKeysCount--; + + // If there are more signatures left than keys left, + // then too many signatures have failed + if (nSigsCount > nKeysCount) + fSuccess = false; + } - bool fSuccess = true; - while (fSuccess && nSigsCount > 0) - { - valtype& vchSig = stacktop(-isig); - valtype& vchPubKey = stacktop(-ikey); + while (i-- > 0) + stack.pop_back(); + stack.push_back(fSuccess ? vchTrue : vchFalse); - // Check signature - if (CheckSig(vchSig, vchPubKey, scriptCode, txTo, nIn, nHashType)) + if (opcode == OP_CHECKMULTISIGVERIFY) { - isig++; - nSigsCount--; + if (fSuccess) + stack.pop_back(); + else + return false; } - ikey++; - nKeysCount--; - - // If there are more signatures left than keys left, - // then too many signatures have failed - if (nSigsCount > nKeysCount) - fSuccess = false; } + break; - while (i-- > 0) - stack.pop_back(); - stack.push_back(fSuccess ? vchTrue : vchFalse); - - if (opcode == OP_CHECKMULTISIGVERIFY) - { - if (fSuccess) - stack.pop_back(); - else - pc = pend; - } + default: + return false; } - break; - default: + // Size limits + if (stack.size() + altstack.size() > 1000) return false; } } + catch (...) + { + return false; + } + + if (!vfExec.empty()) + return false; if (pvStackRet) *pvStackRet = stack; @@ -136,6 +136,20 @@ enum opcodetype OP_CHECKMULTISIG, OP_CHECKMULTISIGVERIFY, + // expansion + OP_NOP1, + OP_NOP2, + OP_NOP3, + OP_NOP4, + OP_NOP5, + OP_NOP6, + OP_NOP7, + OP_NOP8, + OP_NOP9, + OP_NOP10, + + + // multi-byte opcodes OP_SINGLEBYTE_END = 0xF0, @@ -276,6 +290,18 @@ inline const char* GetOpName(opcodetype opcode) case OP_CHECKMULTISIG : return "OP_CHECKMULTISIG"; case OP_CHECKMULTISIGVERIFY : return "OP_CHECKMULTISIGVERIFY"; + // expanson + case OP_NOP1 : return "OP_NOP1"; + case OP_NOP2 : return "OP_NOP2"; + case OP_NOP3 : return "OP_NOP3"; + case OP_NOP4 : return "OP_NOP4"; + case OP_NOP5 : return "OP_NOP5"; + case OP_NOP6 : return "OP_NOP6"; + case OP_NOP7 : return "OP_NOP7"; + case OP_NOP8 : return "OP_NOP8"; + case OP_NOP9 : return "OP_NOP9"; + case OP_NOP10 : return "OP_NOP10"; + // multi-byte opcodes @@ -285,7 +311,6 @@ inline const char* GetOpName(opcodetype opcode) case OP_PUBKEYHASH : return "OP_PUBKEYHASH"; - case OP_INVALIDOPCODE : return "OP_INVALIDOPCODE"; default: return "UNKNOWN_OPCODE"; diff --git a/serialize.h b/serialize.h index a653887523..8336136ed0 100644 --- a/serialize.h +++ b/serialize.h @@ -19,8 +19,8 @@ class CScript; class CDataStream; class CAutoFile; -static const int VERSION = 304; -static const char* pszSubVer = ".0"; +static const int VERSION = 306; +static const char* pszSubVer = ""; @@ -7,7 +7,7 @@ RequestExecutionLevel highest # General Symbol Definitions !define REGKEY "SOFTWARE\$(^Name)" -!define VERSION 0.3.3 +!define VERSION 0.3.6 !define COMPANY "Bitcoin project" !define URL http://www.bitcoin.org/ @@ -42,12 +42,12 @@ Var StartMenuGroup !insertmacro MUI_LANGUAGE English # Installer attributes -OutFile bitcoin-0.3.3-win32-setup.exe +OutFile bitcoin-0.3.6-win32-setup.exe InstallDir $PROGRAMFILES\Bitcoin CRCCheck on XPStyle on ShowInstDetails show -VIProductVersion 0.3.3.0 +VIProductVersion 0.3.6.0 VIAddVersionKey ProductName Bitcoin VIAddVersionKey ProductVersion "${VERSION}" VIAddVersionKey CompanyName "${COMPANY}" |