X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fmodules%2Fswfabc.c;h=582174c6e08e2eedebb8c478483f1f2f52cf3cbe;hb=b89b5adf6eb597170044ff49d3cd8b414ddc34d9;hp=5f3f23e27cd67e34a2deacbfe832f0b348b9c131;hpb=c9b44693767f91eea337e8569eafbe7440eaf495;p=swftools.git diff --git a/lib/modules/swfabc.c b/lib/modules/swfabc.c index 5f3f23e..582174c 100644 --- a/lib/modules/swfabc.c +++ b/lib/modules/swfabc.c @@ -5,7 +5,6 @@ Extension module for the rfxswf library. Part of the swftools package. - Copyright (c) 2007 Alessandro Molina Copyright (c) 2007,2008 Matthias Kramm This program is free software; you can redistribute it and/or modify @@ -25,354 +24,6 @@ #include #include "../rfxswf.h" -static unsigned AVM2_uint32toU30(unsigned val, char * out) -{ - unsigned len = 0; - - while(val) { - out[len++] = (val&~0x7f?0x80:0) | (val & 0x7F); - val >>= 7; - } - - return len; -} - -void AVM2_InsertStops(SWF*swf) -{ - TAG * t; - - //MAIN AS3 CLASS INIT - unsigned frame_nums = 0; - - /* Count number of pages to set up stop callback for every frame */ - t = swf->firstTag; - while(t) { - if (t->id == ST_SHOWFRAME) ++frame_nums; - t = t->next; - } - - TAG * classCall = swf_InsertTagBefore(swf, swf->firstTag, ST_SYMBOLCLASS); - swf_SetU16(classCall, 1); // number of symbols - swf_SetU16(classCall, 0); // object id - swf_SetString(classCall, "stop_fla:MainTimeline"); // class to associate with the symbol - - //0x52 is the Flash9 equivalent to DoAction - char init_pool[322] = { - 0x01,0x00,0x00,0x00, /* Flag Parameter to ST_DOABC (1 = lazy load)*/ - 0x00, /* 0 terminated class name */ - 0x10,0x00,0x2e,0x00, /* ABC file magic number (minor version, major version) */ - 0x00, /* zero integers */ - 0x00, /* zero unsigned integers */ - 0x00, /* zero doubles */ - - 0x11, /* 16 strings (+1) */ - 0x08, 's','t','o','p','_','f','l','a', - 0x0c, 'M','a','i','n','T','i','m','e','l','i','n','e', - 0x0d, 'f','l','a','s','h','.','d','i','s','p','l','a','y', - 0x09, 'M','o','v','i','e','C','l','i','p', - 0x15, 's','t','o','p','_','f','l','a',':','M','a','i','n','T','i','m','e','l','i','n','e', - 0x06, 'd','o','s','t','o','p', - 0x00, // Empty string: ref. to the global namespace - 0x04, 's','t','o','p', - 0x0e, 'a','d','d','F','r','a','m','e','S','c','r','i','p','t', - 0x06, 'O','b','j','e','c','t', - 0x0c, 'f','l','a','s','h','.','e','v','e','n','t','s', - 0x0f, 'E','v','e','n','t','D','i','s','p','a','t','c','h','e','r', - 0x0d, 'D','i','s','p','l','a','y','O','b','j','e','c','t', - 0x11, 'I','n','t','e','r','a','c','t','i','v','e','O','b','j','e','c','t', - 0x16, 'D','i','s','p','l','a','y','O','b','j','e','c','t','C','o','n','t','a','i','n','e','r', - 0x06, 'S','p','r','i','t','e', - - 0x07, /* 6 namespaces (+1) */ - 0x16,0x01, /* kind: CONSTANT_PackageNamespace, ref. to: stop_fla */ - 0x16,0x03, /* kind: CONSTANT_PackageNamespace, ref. to: flash.display */ - 0x18,0x05, /* kind: CONSTANT_ProtectedNamespace, ref. to: stop_fla:MainTimeline */ - 0x17,0x01, /* kind: CONSTANT_PackageInternalNs, ref. to: MainTimeline */ - 0x16,0x07, /* kind: CONSTANT_PackageNamespace, ref. to the global namespace */ - 0x16,0x0b, /* kind: CONSTANT_PackageNamespace, ref. to: flash.events */ - - 0x00, /* zero namespace sets */ - - 0x0c, /* 11 MultiNames (+1) */ - /* 1st value: Multiname kind (0x07 = Qualified Name, a multiname with 1 namespace, refers to a method) - 2nd value: refers to namespace name index in the namespace table - 3rd value: refers to method name index in the string table */ - 0x07,0x01,0x02, /* stop_fla:MainTimeLine */ - 0x07,0x02,0x04, /* flash.display:MovieClip */ - 0x07,0x04,0x06, /* <4th namespace>:dostop */ - 0x07,0x05,0x08, /* :stop */ - 0x07,0x05,0x09, /* :addFrameScript */ - 0x07,0x05,0x0a, /* :Object */ - 0x07,0x06,0x0c, /* flash.events:EventDispatcher */ - 0x07,0x02,0x0d, /* flash.display:DisplayObject */ - 0x07,0x02,0x0e, /* flash.display:InteractiveObject */ - 0x07,0x02,0x0f, /* flash.display:DisplayObjectContainer */ - 0x07,0x02,0x10, /* flash.display:Sprite */ - - 0x04, /* 4 Methods */ - /* METHOD 1 */ - 0x00,0x00,0x00,0x00, /* No params (nor params types), no return type, no method name, flags */ - 0x00,0x00,0x00,0x00, /* No params (nor params types), no return type, no method name, flags */ - 0x00,0x00,0x00,0x00, /* No params (nor params types), no return type, no method name, flags */ - 0x00,0x00,0x00,0x00, /* No params (nor params types), no return type, no method name, flags */ - - 0x00, /* Zero Metadata */ - - 0x01, /* 1 Class */ - 0x01, /* Name: ref. to multiname no. 1 (MainTimeline) */ - 0x02, /* Super_name (base class): ref. to multiname no. 2 (flash.display) */ - 0x08, /* Flags: 0x08 value indicates that it uses its protected namespace (and make next field exists) */ - 0x03, /* Ref. to namespace no. 3 (MainTimeline, protected namespace for this class) */ - 0x00, /* No. of interfaces: there are no interfaces (nor interface definition) */ - 0x02, /* Initializer index: ref. to method no. 2 */ - 0x01, /* No. of traits */ - /* Trait section */ - 0x03, /* Name: ref. to multiname no. 3 (stop) */ - 0x01, /* 0000: no attributes (nor metadata in the next subsection); - then 1: type is Trait_Method */ - /* Trait_method section */ - 0x00, /* NO optimization for virtual calls */ - 0x01, /* Ref. to method no. 1 */ - /* HERE FOLLOW THE CLASS DATA */ - 0x00, /* Ref. to method no. 0 as static initializer for this class */ - 0x00, /* No. of traits for this class (no ones) */ - - 0x01, /* 1 Script */ - 0x03, /* Ref. to method no. 3, invoked prior to any other code in the script */ - 0x01, /* No. of traits */ - /* Trait section */ - 0x01, /* Name: ref. to multiname no. 1 (flash.display:MovieClip) */ - 0x04, /* 0000: no attributes (nor metadata in the next subsection); - then 4: type is Trait_Class*/ - /* Trait_class section */ - 0x01, /* Slot ID where the trait resides */ - 0x00, /* Class index (there is only one class)*/ - - 0x04, /* Method body count: there are 4 method bodies */ - /* HERE FOLLOW THE METHOD BODY DATA */ - 0x00, /* Method index, ref. to method no. 0 */ - 0x01, /* Max stack slots the method can use */ - 0x01, /* No. of registers +1 the method can use: this one cannot use registers */ - 0x09,0x0a, /* Min and max scope depth the method can access*/ - 0x03, /* Code length (in bytes) */ - /* The actual method code: - this is the function stop_fla::MainTimeline$cinit()*/ - 0xd0,0x30,0x47, - 0x00, /* No. of exceptions (no exceptions) */ - 0x00, /* No. of traits (no traits) */ - - 0x01, /* Method index, ref. to method no. 1 */ - 0x01, /* Max stack slots the method can use */ - 0x01, /* No. of registers +1 the method can use: this one cannot use registers */ - 0x0a,0x0b, /* Min and max scope depth the method can access*/ - 0x08, /* Code length (in bytes) */ - /* The actual method code: - this is the function stop_fla::dostop(), - the one that actually executes the stop() */ - 0xd0,0x30,0x5d,0x04,0x4f,0x04,0x00,0x47, - 0x00, /* No. of exceptions (no exceptions) */ - 0x00, /* No. of traits (no traits) */ - }; - - /* Header of stop_fla::MainTimeline() method */ - char constructor_header[5] = { - 0x02, /* Method index, ref. to method no. 2 */ - 0x03, /* Max stack slots the method can use */ - 0x01, /* No. of registers +1 the method can use: this one cannot use registers */ - 0x0a,0x0b /* Min and max scope depth the method can access*/ - }; - - char constructor_first[5] = { - /* The actual method code: - This is the function stop_fla::MainTimeline() - Does: calls the super constructor for class #0 (MainTimeline), - then puts on the stack the object, namespace and name of the arguments - needed by the addFrameScripts, then calls the addFrameScripts - */ - 0xd0, /* getlocal0 */ - 0x30, /* pushscope */ - 0xd0, /* getlocal0 */ - 0x49, /* constructsuper */ - 0x00 /* 0 */ - }; - - char constructor_frame_register[10] = { - 0x5d, /* findpropstrict */ - 0x05, /* 'addFrameScript' */ - 0x25, /* pushshort */ - 0x00, /* frame number for pushshort */ - 0x02, /* NOP (hack to write u30 value of frame number when > 127) */ - 0x60, /* getlex */ - 0x03, /* 'stop_fla::dostop' */ - 0x4f, /* callpropvoid */ - 0x05, /* 'addFrameScript' */ - 0x02 /* 2*/ - }; - - char constructor_return[3] = { - 0x47, /* returnvoid */ - 0x00, /* No. of exceptions (no exceptions) */ - 0x00, /* No. of traits (no traits) */ - }; - - char script_init_pool[47] = { - 0x03, /* Method index, ref. to method no. 3 */ - 0x02, /* Max stack slots the method can use */ - 0x01, /* No. of registers +1 the method can use: this one cannot use registers */ - 0x01,0x09, /* Min and max scope depth the method can access*/ - 0x27, /* Code length (in bytes) */ - /* The actual method code: - this is the function script0$init() */ - 0xd0,0x30,0x65,0x00,0x60,0x06,0x30,0x60,0x07,0x30,0x60,0x08,0x30,0x60,0x09,0x30,0x60,0x0a,0x30,0x60, - 0x0b,0x30,0x60,0x02,0x30,0x60,0x02,0x58,0x00,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x68,0x01,0x47, - 0x00, /* No. of exceptions (no exceptions) */ - 0x00 /* No. of traits (no traits) */ - }; - /* END OF THE ABCFILE (Actionscript Byte Code) */ - - char code_len[5] = {0, }; - unsigned clen_len = AVM2_uint32toU30((6 + sizeof(constructor_frame_register) * frame_nums), code_len); - unsigned i, offset = 0; - - TAG *classInit = swf_InsertTagBefore(swf, swf->firstTag, ST_DOABC); - - /* Copy the environment Initialization code */ - swf_SetBlock(classInit, (U8*)init_pool,sizeof(init_pool)); - /* Copy Constructor Method header */ - swf_SetBlock(classInit, (U8*)constructor_header, sizeof(constructor_header)); - /* Add Code block size (u30) to the method header */ - swf_SetBlock(classInit, (U8*)code_len, clen_len); - - /* Copy Constructor Method body first part */ - swf_SetBlock(classInit, (U8*)constructor_first, sizeof(constructor_first)); - - /* Register the callback for every frame */ - for (i = 0; i < frame_nums; ++i) { - AVM2_uint32toU30(i,constructor_frame_register + 3); // Write current frame number - swf_SetBlock(classInit, (U8*)constructor_frame_register, sizeof(constructor_frame_register)); - } - - /* Copy Constructor method body ending, just a return */ - swf_SetBlock(classInit, (U8*)constructor_return, sizeof(constructor_return)); - - /* Copy the script init code */ - swf_SetBlock(classInit, (U8*)script_init_pool, sizeof(script_init_pool)); -} - -void AVM2_InsertButtonLink(SWF*swf) -{ - unsigned char displayEventCode[] = { - // button.dispatchEvent(new Event("pdflinkdown"),true,true) - - 0x01, 0x00, 0x00, 0x00, //flags - 0x00, - 0x10, 0x00, 0x2e, 0x00, //version - 0x00, //no ints - 0x00, //no uints - 0x00, //no floats - 0x14, //19 strings - 0x17, 'e','v','e','n','t','_','o','h','n','e','_','l','i','s','t','e','n','e','r','_','f','l','a', - 0x0c, 'M','a','i','n','t','i','m','e','l','i','n','e', - 0x0d, 'f','l','a','s','h','.','d','i','s','p','l','a','y', - 0x09, 'M','o','v','i','e','c','l','i','p', - 0x24, 'e','v','e','n','t','_','o','h','n','e','_','l','i','s','t','e','n','e','r','_','f','l','a',':','M','a','i','n','t','i','m','e','l','i','n','e', - 0x00, - 0x06, 'b','u','t','t','o','n', - 0x06, 'f','r','a','m','e','1', - 0x0c, 'f','l','a','s','h','.','e','v','e','n','t','s', - 0x05, 'E','v','e','n','t', - 0x0b, 'p','d','f','l','i','n','k','d','o','w','n', - 0x0d, 'd','i','s','p','a','t','c','h','E','v','e','n','t', - 0x0e, 'a','d','d','F','r','a','m','e','S','c','r','i','p','t', - 0x06, 'O','b','j','e','c','t', - 0x0f, 'E','v','e','n','t','d','i','s','p','a','t','c','h','e','r', - 0x0d, 'D','i','s','p','l','a','y','O','b','j','e','c','t', - 0x11, 'I','n','t','e','r','a','c','t','i','v','e','O','b','j','e','c','t', - 0x16, 'D','i','s','p','l','a','y','O','b','j','e','c','t','C','o','n','t','a','i','n','e','r', - 0x06, 'S','p','r','i','t','e', - - 0x07, // 6 namespaces - 0x16, 0x01, - 0x16, 0x03, - 0x18, 0x05, - 0x16, 0x06, - 0x17, 0x01, - 0x16, 0x09, - - 0x00, //zero namespace sets - - 0x0e, //13 multinames - 0x07, 0x01, 0x02, - 0x07, 0x02, 0x04, - 0x07, 0x04, 0x07, - 0x07, 0x05, 0x08, - 0x07, 0x06, 0x0a, - 0x07, 0x04, 0x0c, - 0x07, 0x04, 0x0d, - 0x07, 0x04, 0x0e, - 0x07, 0x06, 0x0f, - 0x07, 0x02, 0x10, - 0x07, 0x02, 0x11, - 0x07, 0x02, 0x12, - 0x07, 0x02, 0x13, - - 0x04, // 4 methods - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - - 0x00, // zero metadata - - 0x01, // 1 class - 0x01, 0x02, 0x08, 0x03, 0x00, 0x02, - 0x02, // 2 traits - 0x03, 0x00, // name, slot - 0x00, 0x02, 0x00, - 0x04, 0x01, // name, method, - 0x00, 0x01, - 0x00, // ref to method 0 (initializer) - 0x00, // no traits - - 0x01, // 1 script - 0x03, 0x01, 0x01, 0x04, 0x01, 0x00, - - 0x04, // 4 method bodies - // method 1 - 0x00, 0x01, 0x01, 0x09, 0x0a, - 0x03, 0xd0, 0x30, 0x47, // code - 0x00, 0x00, - // method 2 - 0x01, 0x05, 0x01, 0x0a, 0x0b, - 0x11, 0xd0, 0x30, 0x60, 0x03, 0x5d, 0x05, 0x2c, 0x0b, 0x26, 0x26, 0x4a, 0x05, 0x03, 0x4f, 0x06, 0x01, 0x47, // code - 0x00, 0x00, - // method 3 - 0x02, 0x03, 0x01, 0x0a, 0x0b, - 0x0f, 0xd0, 0x30, 0xd0, 0x49, 0x00, 0x5d, 0x07, 0x24, 0x00, 0x60, 0x04, 0x4f, 0x07, 0x02, 0x47, // code - 0x00, 0x00, - // method 4 - 0x03, 0x02, 0x01, 0x01, 0x09, - 0x27, 0xd0, 0x30, 0x65, 0x00, 0x60, 0x08, 0x30, 0x60, 0x09, 0x30, 0x60, 0x0a, 0x30, 0x60, 0x0b, //code - 0x30, 0x60, 0x0c, 0x30, 0x60, 0x0d, 0x30, 0x60, 0x02, 0x30, 0x60, 0x02, 0x58, 0x00, 0x1d, 0x1d, - 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x68, 0x01, 0x47, - 0x00, 0x00, - }; -} - -int swf_GetU30(TAG*tag) -{ - U32 shift = 0; - U32 s = 0; - while(1) { - U8 b = swf_GetU8(tag); - s|=(b&127)<d) + free(dict->d);dict->d = 0; + free(dict); +} + const char*dict_getstr(dict_t*dict, int nr) { if(nr > dict->num || nr<0) { printf("error: reference to string %d in dict\n"); @@ -465,60 +192,46 @@ int dict_append_if_new(dict_t*dict, char*name, void*data) { return dict_append(dict, name, data); } -typedef struct _abc_file_t { - - // contant_pool - - dict_t*ints; - dict_t*uints; - dict_t*floats; - dict_t*strings; - dict_t*namespaces; - dict_t*sets; - dict_t*multinames; - - // abc_file - - dict_t*methods; - dict_t*classes; - dict_t*scripts; - dict_t*method_bodies; -} abc_file_t; +int swf_GetU30(TAG*tag) +{ + U32 shift = 0; + U32 s = 0; + while(1) { + U8 b = swf_GetU8(tag); + s|=(b&127)<data[tag->pos]; + swf_GetU32(tag); + swf_GetU32(tag); + return value; +} -typedef struct _abc_code { - int index; - abc_file_t*abc; - //abc_class_t*cls; - abc_method_t*method; - TAG*tag; - int max_stack; - int local_count; - int init_scope_depth; - int max_scope_depth; - int exception_count; - dict_t*traits; -} abc_code_t; typedef struct _opcode { @@ -535,6 +248,7 @@ typedef struct _opcode s = short c = class s = string + S = switch */ int abc_RegisterNameSpace(abc_file_t*file, char*name); @@ -558,6 +272,7 @@ opcode_t opcodes[]={ {0x41, "call", "n"}, {0x43, "callmethod", "mn"}, {0x4c, "callproplex", "2n"}, +{0x46, "callproperty", "2n"}, {0x4f, "callpropvoid", "2n"}, {0x44, "callstatic", "in"}, {0x45, "callsuper", "2n"}, @@ -575,26 +290,140 @@ opcode_t opcodes[]={ {0x77, "convert_o", ""}, {0x74, "convert_u", ""}, {0x70, "convert_s", ""}, +{0xef, "debug", "bsbu"}, +{0xf1, "debugfile", "s"}, +{0xf0, "debugline", "u"}, +{0x94, "declocal", "u"}, +{0xc3, "declocal_i", "u"}, +{0x93, "decrement", ""}, +{0xc1, "decrement_i", ""}, +{0x6a, "deleteproperty", "2"}, +{0xa3, "divide", ""}, +{0x2a, "dup", ""}, +{0x06, "dxns", "s"}, +{0x07, "dxnslate", ""}, +{0xab, "equals", ""}, +{0x72, "esc_xattr", ""}, +{0x71, "esc_xelem", ""}, +{0x5e, "findproperty", "2"}, +{0x5d, "findpropstrict", "2"}, +{0x59, "getdescendants", "2"}, +{0x64, "getglobalscope", ""}, +{0x6e, "getglobalslot", "u"}, +{0x60, "getlex", "2"}, +{0x62, "getlocal", "u"}, {0xd0, "getlocal_0", ""}, {0xd1, "getlocal_1", ""}, {0xd2, "getlocal_2", ""}, {0xd3, "getlocal_3", ""}, -{0x30, "pushscope", ""}, -{0x47, "returnvoid", ""}, -{0x5d, "findpropstrict", "2"}, -{0x60, "getlex", "2"}, -{0x65, "getscopeobject", "u"}, -{0x2c, "pushstring", "s"}, {0x66, "getproperty", "2"}, -{0x24, "pushbyte", "b"}, -{0x58, "newclass", "c"}, -{0x1d, "popscope", ""}, +{0x65, "getscopeobject", "u"}, +{0x6c, "getslot", "u"}, +{0x04, "getsuper", "2"}, +{0xaf, "greaterequals", ""}, +{0x1f, "hasnext", ""}, +{0x32, "hasnext2", "uu"}, +{0x13, "ifeq", "j"}, +{0x12, "iffalse", "j"}, +{0x18, "ifge", "j"}, +{0x17, "ifgt", "j"}, +{0x16, "ifle", "j"}, +{0x15, "iflt", "j"}, +{0x0f, "ifnge", "j"}, +{0x0e, "ifngt", "j"}, +{0x0d, "ifnle", "j"}, +{0x0c, "ifnlt", "j"}, +{0x14, "ifne", "j"}, +{0x19, "ifstricteq", "j"}, +{0x1a, "ifstrictne", "j"}, +{0x11, "iftrue", "j"}, +{0xb4, "in", ""}, +{0x92, "inclocal", "u"}, +{0xc2, "inclocal_i", "u"}, +{0x91, "increment", ""}, +{0xc0, "increment_i", ""}, {0x68, "initproperty", "2"}, -{0x26, "pushtrue", ""}, -{0x25, "pushshort", "u"}, +{0xb1, "instanceof", ""}, +{0xb2, "istype", "2"}, +{0xb3, "istypelate", ""}, +{0x10, "jump", "j"}, +{0x08, "kill", "u"}, +{0x09, "label", ""}, +{0xae, "lessequals", ""}, +{0xad, "lessthan", ""}, +{0x1b, "lookupswitch", "S"}, +{0xa5, "lshift", ""}, +{0xa4, "modulo", ""}, +{0xa2, "multiply", ""}, +{0xc7, "multiply_i", ""}, +{0x90, "negate", ""}, +{0xc4, "negate_i", ""}, +{0x57, "newactivation", ""}, +{0x56, "newarray", "u"}, +{0x5a, "newcatch", "u"}, //index into exception_info +{0x58, "newclass", "c"}, //index into class_info +{0x40, "newfunction", "u"}, //index into method_info +{0x55, "newobject", "u"}, +{0x1e, "nextname", ""}, +{0x23, "nextvalue", ""}, {0x02, "nop", ""}, +{0x96, "not", ""}, +{0x29, "pop", ""}, +{0x1d, "popscope", ""}, +{0x24, "pushbyte", "b"}, +{0x2f, "pushdouble", "u"}, //index into floats +{0x27, "pushfalse", ""}, +{0x2d, "pushint", "u"}, //index into ints +{0x31, "pushnamespace", "u"}, //index into namespace +{0x28, "pushnan", ""}, +{0x20, "pushnull", ""}, +{0x30, "pushscope", ""}, +{0x25, "pushshort", "u"}, +{0x2c, "pushstring", "s"}, +{0x26, "pushtrue", ""}, +{0x2e, "pushuint", "u"}, //index into uints +{0x21, "pushundefined", ""}, +{0x1c, "pushwith", ""}, +{0x48, "returnvalue", ""}, +{0x47, "returnvoid", ""}, +{0xa6, "rshift", ""}, +{0x63, "setlocal", "u"}, +{0xd4, "setlocal_0", ""}, +{0xd5, "setlocal_1", ""}, +{0xd6, "setlocal_2", ""}, +{0xd7, "setlocal_3", ""}, +{0x6f, "setglobalshot", "u"}, +{0x61, "setproperty", "2"}, +{0x6d, "setslot", "u"}, +{0x05, "setsuper", "2"}, +{0xac, "strictequals", ""}, +{0xa1, "subtract", ""}, +{0xc6, "subtract_i", ""}, +{0x2b, "swap", ""}, +{0x03, "throw", ""}, +{0x95, "typeof", ""}, +{0xa7, "urshift", ""}, +{0xb0, "xxx", ""}, }; +int swf_GetU24(TAG*tag) +{ + int b1 = swf_GetU8(tag); + int b2 = swf_GetU8(tag); + int b3 = swf_GetU8(tag); + return b3<<16|b2<<8|b1; +} +int swf_GetS24(TAG*tag) +{ + int b1 = swf_GetU8(tag); + int b2 = swf_GetU8(tag); + int b3 = swf_GetU8(tag); + if(b3&0x80) { + return -1-((b3<<16|b2<<8|b1)^0xffffff); + } else { + return b3<<16|b2<<8|b1; + } +} static int parse_code(TAG*tag, int len, abc_file_t*pool, char*prefix) { int end=tag->pos+len; @@ -621,7 +450,8 @@ static int parse_code(TAG*tag, int len, abc_file_t*pool, char*prefix) printf("[method%d]", n); } else if(*p == 'c') { int n = swf_GetU30(tag); - printf("[classinfo%d]", n); + abc_class_t*cls = (abc_class_t*)dict_getdata(pool->classes, n); + printf("[classinfo%d %s]", n, cls->name); } else if(*p == 'i') { int n = swf_GetU30(tag); printf("[methodbody%d]", n); @@ -631,10 +461,21 @@ static int parse_code(TAG*tag, int len, abc_file_t*pool, char*prefix) } else if(*p == 'b') { int b = swf_GetU8(tag); printf("%02x", b); + } else if(*p == 'j') { + printf("%d", swf_GetS24(tag)); } else if(*p == 's') { const char*s = dict_getstr(pool->strings, swf_GetU30(tag)); printf("\"%s\"", s); - } + } else if(*p == 'S') { + swf_GetU24(tag); //default + int num = swf_GetU30(tag)+1; + int t; + for(t=0;tstrings, swf_GetU30(tag)); + int num = swf_GetU30(tag); + int s; + DEBUG printf(" %s\n", name); + for(s=0;sstrings, swf_GetU30(tag)); + const char*value = dict_getstr(pool->strings, swf_GetU30(tag)); + DEBUG printf(" %s=%s\n", key, value); + } + } +} + #define TRAIT_SLOT 0 #define TRAIT_METHOD 1 #define TRAIT_GETTER 2 #define TRAIT_SETTER 3 #define TRAIT_CLASS 4 #define TRAIT_FUNCTION 5 -static dict_t* parse_traits(char*prefix, TAG*tag, abc_file_t*pool, char print) +#define TRAIT_CONST 6 + +static dict_t* traits_parse(TAG*tag, abc_file_t*pool) { int num_traits = swf_GetU30(tag); dict_t*traits = dict_new(); int t; + if(num_traits) { + DEBUG printf("%d traits\n", num_traits); + } + for(t=0;tmultinames, name_index); - U8 kind = swf_GetU8(tag); - DEBUG printf("trait %d) %s type=%02x\n", t, name, kind); + trait->name_index = swf_GetU30(tag); + const char*name = dict_getstr(pool->multinames, trait->name_index); + U8 kind = trait->type = swf_GetU8(tag); + U8 attributes = kind&0xf0; + kind&=0x0f; + DEBUG printf(" trait %d) %s type=%02x\n", t, name, kind); if(kind == 1 || kind == 2 || kind == 3) { // method / getter / setter - int disp_id = swf_GetU30(tag); - int nr = swf_GetU30(tag); - DEBUG printf("%smethod %d %d %s\n", prefix, nr, disp_id, ((abc_method_t*)dict_getdata(pool->methods, nr))->paramstr); - if(print) dump_method(prefix, kind==1?"method":(kind==2?"getter":"setter"), name, nr, pool); + trait->disp_id = swf_GetU30(tag); + trait->nr = swf_GetU30(tag); + DEBUG printf(" method/getter/setter\n"); } else if(kind == 5) { // function - int slot_id = swf_GetU30(tag); - int nr = swf_GetU30(tag); - if(print) dump_method(prefix, "function", name, nr, pool); + trait->slot_id = swf_GetU30(tag); + trait->nr = swf_GetU30(tag); } else if(kind == 4) { // class - int slot_id = swf_GetU30(tag); - int cls = swf_GetU30(tag); - if(print) printf("%sclass %s %d %d\n", prefix, name, slot_id, cls); - } else if(kind == 0) { // slot - int slot_id = swf_GetU30(tag); + trait->slot_id = swf_GetU30(tag); + trait->cls = swf_GetU30(tag); + DEBUG printf(" class %s %d %d\n", name, trait->slot_id, trait->cls); + } else if(kind == 0 || kind == 6) { // slot, const + trait->slot_id = swf_GetU30(tag); const char*type_name = dict_getstr(pool->multinames, swf_GetU30(tag)); - int vindex = swf_GetU30(tag); - if(vindex) { - U8 vkind = swf_GetU8(tag); + trait->vindex = swf_GetU30(tag); + if(trait->vindex) { + trait->vkind = swf_GetU8(tag); } - if(print) printf("%sslot %s %d %s (vindex=%d)\n", prefix, name, slot_id, type_name, vindex); + DEBUG printf(" slot %s %d %s (vindex=%d)\n", name, trait->slot_id, type_name, trait->vindex); } else { printf(" can't parse trait type %d\n", kind); return 0; } + if(attributes&0x40) { + int num = swf_GetU30(tag); + int s; + for(s=0;snum; + int t; + for(t=0;tmultinames, trait->name_index); + U8 kind = trait->type; + U8 attributes = kind&0xf0; + kind&=0x0f; + if(kind == TRAIT_METHOD) { + printf("%s method %d %d %s\n", prefix, trait->nr, trait->disp_id, ((abc_method_t*)dict_getdata(pool->methods, trait->nr))->paramstr); + dump_method(prefix, "method", name, trait->nr, pool); + } else if(kind == TRAIT_GETTER) { + dump_method(prefix, "getter", name, trait->nr, pool); + } else if(kind == TRAIT_SETTER) { + dump_method(prefix, "setter", name, trait->nr, pool); + } else if(kind == TRAIT_FUNCTION) { // function + dump_method(prefix, "function", name, trait->nr, pool); + } else if(kind == TRAIT_CLASS) { // class + abc_class_t*cls = (abc_class_t*)dict_getdata(pool->classes, trait->cls); + if(!cls) { + printf("%sslot %d: class %s=class%d %d\n", prefix, trait->slot_id, name, trait->cls); + } else { + printf("%sslot %d: class %s=%s\n", prefix, trait->slot_id, name, cls->name); + } + } else if(kind == TRAIT_SLOT || kind == TRAIT_CONST) { // slot, const + int slot_id = trait->slot_id; + const char*type_name = dict_getstr(pool->multinames, trait->type_index); + printf(" %sslot %s %d %s (vindex=%d)\n", prefix, name, trait->slot_id, type_name, trait->vindex); + } else { + printf(" can't dump trait type %d\n", kind); + } + } +} + void swf_CopyData(TAG*to, TAG*from, int len) { unsigned char*data = malloc(len); @@ -741,17 +649,21 @@ abc_file_t*abc_file_new() memset(f, 0, sizeof(abc_file_t)); f->ints = dict_new(); - f->ints = dict_new(); + dict_append(f->ints, 0, (void*)(ptroff_t)0); f->uints = dict_new(); + dict_append(f->uints, 0, (void*)(ptroff_t)0); f->floats = dict_new(); + dict_append(f->floats, 0, 0); f->strings = dict_new(); - dict_append(f->strings, "----", 0); + dict_append(f->strings, "----", 0); f->namespaces = dict_new(); - dict_append(f->namespaces, "----", 0); + dict_append(f->namespaces, "----", 0); + f->namespace_sets = dict_new(); + dict_append(f->namespace_sets, "----", 0); f->sets = dict_new(); - dict_append(f->sets, "----", 0); + dict_append(f->sets, "----", 0); f->multinames = dict_new(); - dict_append(f->multinames, "----", 0); + dict_append(f->multinames, "----", 0); // abc_file @@ -781,27 +693,39 @@ void swf_DissassembleABC(TAG*tag) swf_SetTagPos(tag, 0); U32 flags = swf_GetU32(tag); + int t; DEBUG printf("flags=%08x\n", flags); char*classname = swf_GetString(tag); U32 version = swf_GetU32(tag); + if(version!=0x002e0010) { + fprintf(stderr, "Warning: unknown AVM2 version %08x\n", version); + } - pool->ints->num = swf_GetU30(tag)-1; - if(pool->ints->num>0) { - printf("can't parse ints yet\n"); - return; + int num_ints = swf_GetU30(tag); + DEBUG printf("%d ints\n", num_ints); + for(t=1;tints, 0, (void*)(ptroff_t)v); } - pool->uints->num = swf_GetU30(tag)-1; - if(pool->uints->num>0) { - printf("can't parse uints yet\n"); - return; + + int num_uints = swf_GetU30(tag); + DEBUG printf("%d uints\n", num_uints); + for(t=1;tuints, 0, (void*)(ptroff_t)v); } - pool->floats->num = swf_GetU30(tag)-1; - if(pool->floats->num>0) { - printf("can't parse floats yet\n"); - return; + + int num_floats = swf_GetU30(tag); + DEBUG printf("%d floats\n", num_floats); + for(t=1;tfloats, 0, 0); } + int num_strings = swf_GetU30(tag); - int t; DEBUG printf("%d strings\n", num_strings); for(t=1;tstrings, namenr); - dict_append(pool->namespaces, name, (void*)(int)type); + dict_append(pool->namespaces, name, (void*)(ptroff_t)type); int w = 0; DEBUG w=1; if(w) { @@ -835,18 +759,37 @@ void swf_DissassembleABC(TAG*tag) } } int num_sets = swf_GetU30(tag); - if(num_sets>0) { - printf("can't parse namespace sets yet\n"); - return; + DEBUG printf("%d namespace sets\n", num_namespaces); + for(t=1;tnamespaces, nsnr); + l += strlen(name[s])+1; + } + char*desc = malloc(l+16); + strcpy(desc, "{"); + for(s=0;snamespace_sets, desc, 0); + DEBUG printf("set %d) %s\n", t, desc); } + int num_multinames = swf_GetU30(tag); + DEBUG printf("%d multinames\n", num_multinames); for(t=1;tnamespaces, nr1); - U8 access = (U8)(int)dict_getdata(pool->namespaces, nr1); + U8 access = (U8)(ptroff_t)dict_getdata(pool->namespaces, nr1); const char*methodname = dict_getstr(pool->strings, swf_GetU30(tag)); DEBUG printf("multiname %d) <%s> %s:%s\n", t, access2str(access), namespace, methodname); mname = malloc(strlen(namespace)+strlen(methodname)+300); @@ -859,9 +802,17 @@ void swf_DissassembleABC(TAG*tag) mname = strdup(methodname); } else if(type==0x11 || type==0x12) { mname = strdup(""); - } else if(type==0x09 || type==0x0e || type==0x1b || type==0x1c) { - printf("no support for namespace sets yet\n", type); - return; + } else if(type==0x09 || type==0x0e) { + const char*methodname = dict_getstr(pool->strings, swf_GetU30(tag)); + const char*namespace = dict_getstr(pool->namespace_sets, swf_GetU30(tag)); + DEBUG printf("multiname %d) %s:%s\n", t, namespace, methodname); + mname = malloc(strlen(namespace)+strlen(methodname)+16); + strcpy(mname, namespace); + strcat(mname, ":"); + strcat(mname, methodname); + } else if(type==0x1b || type==0x1c) { + const char*nsset = dict_getstr(pool->namespace_sets, swf_GetU30(tag)); + mname = strdup(nsset); } else { printf("can't parse type %d multinames yet\n", type); return; @@ -871,6 +822,7 @@ void swf_DissassembleABC(TAG*tag) } int num_methods = swf_GetU30(tag); + DEBUG printf("%d methods\n", num_methods); for(t=0;treturn_type_index = swf_GetU30(tag); m->index = t; int s; - char params[256]; + int params_len = 256; + char* params = malloc(params_len); params[0]='('; params[1]=0; for(s=0;sparam_count;s++) { - if(s) - strcat(params, ", "); int typenr = swf_GetU30(tag); if(s < sizeof(m->params)/sizeof(m->params[0])) m->params[s] = typenr; const char*type = dict_getstr(pool->multinames, typenr); + while(strlen(type)+strlen(params)>params_len-4) { + params_len+=256; + params = realloc(params, params_len); + } + if(s) + strcat(params, ", "); strcat(params, type); } strcat(params, ")"); @@ -896,47 +853,66 @@ void swf_DissassembleABC(TAG*tag) if(namenr) m->name = dict_getstr(pool->strings, namenr); m->paramstr=strdup(params); - DEBUG printf("method %d) %s\n", t, m->paramstr); + free(params);params = 0; m->flags = swf_GetU8(tag); - if(m->flags&0x88) { - printf("can't parse optional or params names yet\n"); - return; + + DEBUG printf("method %d) %s flags=%02x\n", t, m->paramstr, m->flags); + + if(m->flags&0x08) { + /* optional parameters */ + int num = swf_GetU30(tag); + int s; + for(s=0;sflags&0x80) { + /* debug information- not used by avm2 */ + for(s=0;sparam_count;s++) { + m->name = dict_getstr(pool->strings, swf_GetU30(tag)); + } } dict_append(pool->methods, m->name, m); } - int num_metadata = swf_GetU30(tag); - for(t=0;tpos; DEBUG printf("%d classes\n", num_classes); for(t=0;tclasses, 0, cls); + + DEBUG printf("class %d\n", t); + swf_GetU30(tag); //classname + swf_GetU30(tag); //supername U8 flags = swf_GetU8(tag); if(flags&8) - swf_GetU30(tag); - swf_GetU30(tag); - swf_GetU30(tag); - if(!parse_traits("", tag, pool, 0)) - return; + swf_GetU30(tag); //protectedNS + int inum = swf_GetU30(tag); //interface count + int s; + for(s=0;smultinames, swf_GetU30(tag)); + DEBUG printf(" class %d interface: %s\n", t, interface); + } + cls->iinit = swf_GetU30(tag); + cls->traits = traits_parse(tag, pool); } for(t=0;tclasses, t); + cls->static_constructor_index = swf_GetU30(tag); // cinit + cls->static_constructor_traits = traits_parse(tag, pool); } int num_scripts = swf_GetU30(tag); DEBUG printf("%d scripts\n", num_scripts); for(t=0;ttag, tag, code_length); int exception_count = swf_GetU30(tag); - c->traits = parse_traits("", tag, pool, 1); + int s; + for(s=0;straits = traits_parse(tag, pool); if(!c->traits) { return; } + dump_traits("", c->traits, pool); + DEBUG printf("method_body %d) (method %d), %d bytes of code", t, methodnr, code_length); int r,l = code_length>32?32:code_length; for(r=0;rclasses, t); + const char* classname = dict_getstr(pool->multinames, swf_GetU30(tag)); const char* supername = dict_getstr(pool->multinames, swf_GetU30(tag)); cls->name = classname; @@ -996,33 +982,39 @@ void swf_DissassembleABC(TAG*tag) } printf("class %s extends %s, %s, flags=%02x\n", classname, supername, ns, flags); printf("{\n"); - int num_interfaces = swf_GetU30(tag); - if(num_interfaces>0) { - printf("can't parse interfaces yet\n"); - return; - } + + int num_interfaces = swf_GetU30(tag); //interface count + int s; + for(s=0;siinit = swf_GetU30(tag); dump_method(" ","constructor", classname, cls->iinit, pool); - cls->traits = parse_traits(" ",tag, pool, 1); + cls->traits = traits_parse(tag, pool); if(!cls->traits) { return; } - printf("}\n"); - dict_append(pool->classes, 0, cls); + dump_traits(" ",cls->traits, pool); + + dump_method(" ","staticconstructor", "", cls->static_constructor_index, pool); + dump_traits(" ", cls->static_constructor_traits, pool); + + printf("}\n"); } for(t=0;tnamespaces->num;t++) { const char*name2 = dict_getstr(file->namespaces, t); - U8 access2 = (U8)(int)dict_getdata(file->namespaces, t); + U8 access2 = (U8)(ptroff_t)dict_getdata(file->namespaces, t); if(access == access2 && !strcmp(name, name2)) { return t; } } dict_update(file->strings, name, 0); - return dict_append(file->namespaces, name, (void*)(int)access); + return dict_append(file->namespaces, name, (void*)(ptroff_t)access); } int abc_RegisterNameSpace(abc_file_t*file, char*name) { return registerNameSpace(file, 0x08, name); @@ -1120,7 +1112,7 @@ abc_class_t* abc_NewClass(abc_file_t*abc, char*classname, char*superclass) { c->superclass_index = multiname_index(abc, superclass); c->ns_index = abc_RegisterProtectedNameSpace(abc, classname); c->iinit = -1; - c->cinit = -1; + c->static_constructor_index = -1; c->traits = dict_new(); return c; @@ -1178,7 +1170,7 @@ abc_code_t* abc_AddStaticConstructor(abc_class_t*cls, char*returntype, int num_p va_start(va, num_params); abc_code_t* c = add_method(cls->abc, cls, returntype, 0, num_params, va); va_end(va); - cls->cinit = c->index; + cls->static_constructor_index = c->index; return c; } @@ -1284,7 +1276,7 @@ void swf_WriteABC(TAG*tag, abc_file_t*abc) } swf_SetU30(tag, abc->namespaces->num>1?abc->namespaces->num:0); for(t=1;tnamespaces->num;t++) { - U8 type = (U8)(int)dict_getdata(abc->namespaces, t); + U8 type = (U8)(ptroff_t)dict_getdata(abc->namespaces, t); const char*name = dict_getstr(abc->namespaces, t); int i = dict_find(abc->strings, name); if(i<0) { @@ -1341,12 +1333,12 @@ void swf_WriteABC(TAG*tag, abc_file_t*abc) } for(t=0;tclasses->num;t++) { abc_class_t*c = (abc_class_t*)dict_getdata(abc->classes, t); - if(c->cinit<0) { - fprintf(stderr, "Error: Class %s has no constructor\n", c->name); + if(c->static_constructor_index<0) { + fprintf(stderr, "Error: Class %s has no static constructor\n", c->name); return; } - swf_SetU30(tag, c->cinit); - swf_SetU30(tag, 0); // no traits + swf_SetU30(tag, c->static_constructor_index); + write_traits(abc, tag, c->static_constructor_traits); } swf_SetU30(tag, abc->scripts->num); @@ -1386,6 +1378,7 @@ void swf_AddButtonLinks(TAG*tag) c->local_count = 1; c->init_scope_depth = 9; c->max_scope_depth = 10; + abc_getlocal_0(c); abc_pushscope(c); abc_returnvoid(c); @@ -1498,3 +1491,4 @@ void swf_AddButtonLinks(TAG*tag) swf_WriteABC(tag, abc); } +