X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fmodules%2Fswfabc.c;h=7e42951bea4daa5ea546b9d7c70800e542c5eea2;hb=d597c1a412999e1fc4f6d02028d2887e20fe6544;hp=74a00f9cbc48d373b781d4800a149057aeffc397;hpb=644837a3d0f18ac76d55c9ba438246cb5a2927d6;p=swftools.git diff --git a/lib/modules/swfabc.c b/lib/modules/swfabc.c index 74a00f9..7e42951 100644 --- a/lib/modules/swfabc.c +++ b/lib/modules/swfabc.c @@ -1,12 +1,11 @@ -/* swfbits.c +/* swfabc.c - Bitmap functions (needs libjpeg) + Routines for handling Flash2 AVM2 ABC Actionscript Extension module for the rfxswf library. Part of the swftools package. - Copyright (c) 2007 Alessandro Molina - Copyright (c) 2007 Matthias Kramm + Copyright (c) 2007,2008 Matthias Kramm This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -22,262 +21,1563 @@ along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include #include "../rfxswf.h" -static unsigned AVM2_uint32toU30(unsigned val, char * out) +typedef struct _abc_method { + /* from method signature: */ + const char*name; + char*paramstr; + int return_type_index;//index into multiname + int param_count; + int params[16]; // indexes into multiname + U8 flags; + + int index; + + int method_body_index; +} abc_method_t; + +typedef struct _abc_multiname { + U8 type; + int namespace_index; + int namespace_set_index; + int name_index; +} abc_multiname_t; + +typedef struct _dict_entry { + const char*name; + void*data; +} dict_entry_t; + +typedef struct _dict { + int num; + int size; + dict_entry_t*d; +} dict_t; + +typedef struct _abc_file_t { + + // contant_pool + + dict_t*ints; + dict_t*uints; + dict_t*floats; + dict_t*strings; + dict_t*namespaces; + dict_t*namespace_sets; + dict_t*sets; + dict_t*multinames; + + // abc_file + + dict_t*methods; + dict_t*classes; + dict_t*scripts; + dict_t*method_bodies; +} abc_file_t; + +typedef struct _abc_trait { + unsigned char type; + int name_index; + + union { + int disp_id; + int slot_id; + int data1; + }; + union { + int nr; + int cls; + int type_index; + int data2; + }; + int vindex; + int vkind; +} abc_trait_t; + +typedef struct _abc_class { + int index; + abc_file_t*pool; + const char*name; + int classname_index; + int superclass_index; + int ns_index; + int iinit; + U8 flags; + + int static_constructor_index; + dict_t*static_constructor_traits; + + dict_t*traits; +} abc_class_t; + +typedef struct _abc_method_body { + int index; + abc_file_t*pool; + //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_method_body_t; + +typedef struct _abc_label { +} abc_label_t; + +typedef struct _abc_script { + abc_method_t*method; + abc_file_t*pool; + dict_t*traits; +} abc_script_t; + +dict_t* dict_new() { + dict_t*d = malloc(sizeof(dict_t)); + memset(d, 0, sizeof(dict_t)); + return d; +} + +void dict_free(dict_t*dict) { + if(dict->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"); + return 0; + } + return dict->d[nr].name; +} +char*dict_getdata(dict_t*dict, int nr) { + if(nr > dict->num || nr<0) { + printf("error: reference to string %d in dict\n"); + return 0; + } + return dict->d[nr].data; +} +int dict_append(dict_t*dict, const char*name, void*data) { + while(dict->size <= dict->num) { + dict->size += 64; + if(!dict->d) { + dict->d = malloc(sizeof(dict_entry_t)*dict->size); + } else { + dict->d = realloc(dict->d, sizeof(dict_entry_t)*dict->size); + } + } + if(name) { + dict->d[dict->num].name = strdup(name); + } else { + dict->d[dict->num].name = 0; + } + dict->d[dict->num].data = data; + return dict->num++; +} +int dict_find(dict_t*dict, const char*name) { - unsigned len = 0; + if(!name) + name = ""; + int t; + for(t=0;tnum;t++) { + if(dict->d[t].name && !strcmp(dict->d[t].name,name)) + return t; + } + return -1; +} +int dict_update(dict_t*dict, char*name, void*data) { + int pos = dict_find(dict, name); + if(pos>=0) { + dict->d[pos].data = data; + return pos; + } + return dict_append(dict, name, data); +} +int dict_append_if_new(dict_t*dict, char*name, void*data) { + int pos = dict_find(dict, name); + if(pos>=0) + return pos; + return dict_append(dict, name, data); +} - while(val) { - out[len++] = val & 0xFF; - val >>= 7; +int swf_GetU30(TAG*tag) +{ + U32 shift = 0; + U32 s = 0; + while(1) { + U8 b = swf_GetU8(tag); + s|=(b&127)<firstTag; - while(t) { - if (t->id == ST_SHOWFRAME) ++frame_nums; - t = t->next; - } - - char pool2[26] = {0x01,0x00,0x00,0x00,0x73,0x74,0x6f,0x70,0x5f,0x66,0x6c,0x61,0x2e,0x4d,0x61,0x69 - ,0x6e,0x54,0x69,0x6d,0x65,0x6c,0x69,0x6e,0x65,0x00}; - TAG * classCall = swf_InsertTagBefore(swf, swf->firstTag, 0x04c); - swf_SetBlock(classCall, (U8*)pool2, sizeof(pool2)); - - //0x52 is the Flash9 equivalent to DoAction - char init_pool[322] = { 0x01,0x00,0x00,0x00, /* Flag Parameter to 0x52 */ - 0x00, /* 0 terminated class name */ - 0x10,0x00,0x2e,0x00, /* ABC file magic number */ - 0x00,0x00,0x00,0x11, /* Constant Pool dec: - 0 Integers, 0 Unsigned Integers, 0 Doubles, 17 Strings */ - - /* HERE FOLLOW THE 16 STRINGS OF THE CPOOL */ - 0x08, /* Len of 'stop_fla' (8) */ - 's','t','o','p','_','f','l','a', - 0x0c, /* Len of 'MainTimeline' */ - 'M','a','i','n','T','i','m','e','l','i','n','e', - 0x0d, /* Len of 'flash.display' (13) */ - 'f','l','a','s','h','.','d','i','s','p','l','a','y', - 0x09, /* Len of 'MovieClip' (9) */ - 'M','o','v','i','e','C','l','i','p', - 0x15, /* Len of 'stop_fla:MainTimeLine' (21) */ - 's','t','o','p','_','f','l','a',':','M','a','i','n','T','i','m','e','l','i','n','e', - 0x06, /* Len of 'dostop' (6) */ - 'd','o','s','t','o','p', - 0x00, /* Empty string: ref. to the global namespace */ - 0x04, /* Len of 'stop' (4) */ - 's','t','o','p', - 0x0e, /* Len of 'addFrameScript' (14) */ - 'a','d','d','F','r','a','m','e','S','c','r','i','p','t', - 0x06, /* Len of 'Object' (6) */ - 'O','b','j','e','c','t', - 0x0c, /* Len of 'flash.events' (12) */ - 'f','l','a','s','h','.','e','v','e','n','t','s', - 0x0f, /* Len of 'EventDispatcher' (15) */ - 'E','v','e','n','t','D','i','s','p','a','t','c','h','e','r', - 0x0d, /* Len of 'DisplayObject' (13) */ - 'D','i','s','p','l','a','y','O','b','j','e','c','t', - 0x11, /* Len of 'InteractiveObject' (17) */ - 'I','n','t','e','r','a','c','t','i','v','e','O','b','j','e','c','t', - 0x16, /* Len of 'DisplayObjectContainer' (22) */ - 'D','i','s','p','l','a','y','O','b','j','e','c','t','C','o','n','t','a','i','n','e','r', - 0x06, /* Len of 'Sprite' (6) */ - 'S','p','r','i','t','e', - - 0x07, /* No. of NameSpaces (+1) */ - /* HERE FOLLOW THE 6 NAMESPACES OF THE CPOOL*/ - 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, /* NO NAMESPACE_SET */ - - 0x0c, /* No. of MultiNames (+1) */ - /* HERE FOLLOW THE 11 MULTINAMES OF THE CPOOL */ - /* 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, /* Ref. to method: stop_fla:MainTimeLine */ - 0x07,0x02,0x04, /* Ref. to method: flash.display:MovieClip */ - 0x07,0x04,0x06, /* Ref. to method: <4th namespace>:dostop */ - 0x07,0x05,0x08, /* Ref. to method: :stop */ - 0x07,0x05,0x09, /* Ref. to method: :addFrameScript */ - 0x07,0x05,0x0a, /* Ref. to method: :Object */ - 0x07,0x06,0x0c, /* Ref. to method: flash.events:EventDispatcher */ - 0x07,0x02,0x0d, /* Ref. to method: flash.display:DisplayObject */ - 0x07,0x02,0x0e, /* Ref. to method: flash.display:InteractiveObject */ - 0x07,0x02,0x0f, /* Ref. to method: flash.display:DisplayObjectContainer */ - 0x07,0x02,0x10, /* Ref. to method: flash.display:Sprite */ - /* END OF THE CPOOL */ - - 0x04, /* Method count: there are 4 methods */ - /* HERE FOLLOW THE 4 METHODS SIGNATURES */ - /* METHOD 1 */ - 0x00, /* No params (nor params types)*/ - 0x00, /* Any return type */ - 0x00, /* No method name */ - 0x00, /* Flags */ - /* SAME FOR THE OTHER METHODS */ - 0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00, - - 0x00, /* Metadata count: there is no metadata (nor metadata_info) */ - - 0x01, /* Class count: there is 1 class */ - /* HERE FOLLOW THE INSTANCE DATA */ - 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, /* Script count: there is 1 script */ - /* HERE FOLLOW THE SCRIPT DATA */ - 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) */ - }; + double value = *(double*)&tag->data[tag->pos]; + swf_GetU32(tag); + swf_GetU32(tag); + return value; +} - /* 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 */ - }; +typedef struct _opcode +{ + unsigned char opcode; + char*name; + char*params; +} opcode_t; - 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*/ - }; +/* 2 = multiname + m = method + n = number of params + i = method info + b = byte + s = short + c = class + s = string + S = switch +*/ - char constructor_return[3] = { - 0x47, /* returnvoid */ - 0x00, /* No. of exceptions (no exceptions) */ - 0x00, /* No. of traits (no traits) */ - }; +int abc_RegisterNameSpace(abc_file_t*file, char*name); +int abc_RegisterPackageNameSpace(abc_file_t*file, char*name); +int abc_RegisterPackageInternalNameSpace(abc_file_t*file, char*name); +int abc_RegisterProtectedNameSpace(abc_file_t*file, char*name); +int abc_RegisterExplicitNameSpace(abc_file_t*file, char*name); +int abc_RegisterStaticProtectedNameSpace(abc_file_t*file, char*name); +int abc_RegisterPrivateNameSpace(abc_file_t*file, char*name); - 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; +opcode_t opcodes[]={ +{0xa0, "add", ""}, +{0xc5, "add_i", ""}, +{0x86, "atype", "2"}, +{0x87, "astypelate", ""}, +{0xA8, "bitand", ""}, +{0x97, "bitnot", ""}, +{0xa9, "bitor", ""}, +{0xaa, "bitxor", ""}, +{0x41, "call", "n"}, +{0x43, "callmethod", "mn"}, +{0x4c, "callproplex", "2n"}, +{0x46, "callproperty", "2n"}, +{0x4f, "callpropvoid", "2n"}, +{0x44, "callstatic", "in"}, +{0x45, "callsuper", "2n"}, +{0x4e, "callsupervoid", "2n"}, +{0x78, "checkfilter", ""}, +{0x80, "coerce", "m"}, +{0x82, "coerce_a", ""}, +{0x85, "coerce_s", ""}, +{0x42, "construct", "n"}, +{0x4a, "constructprop", "2n"}, +{0x49, "constructsuper", "n"}, +{0x76, "convert_b", ""}, +{0x73, "convert_i", ""}, +{0x75, "convert_d", ""}, +{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", ""}, +{0x66, "getproperty", "2"}, +{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"}, +{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; + while(tag->posmultinames, swf_GetU30(tag)); + printf("%s", m); + } else if(*p == 'm') { + int n = swf_GetU30(tag); + printf("[method%d]", n); + } else if(*p == 'c') { + int n = swf_GetU30(tag); + 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); + } else if(*p == 'u') { + int n = swf_GetU30(tag); + printf("%d", n); + } 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;tpos!=end) { + printf("Read beyond end of ABC Bytecode\n"); + return 0; + } + return 1; +} + +static void dump_traits(const char*prefix, dict_t*traits, abc_file_t*pool); + +static void dump_method(const char*prefix, const char*type, const char*name, int nr, abc_file_t*pool) +{ + if(nr >= pool->methods->num) { + printf("Invalid method number: %d\n", nr); + return; + } + abc_method_t*m = (abc_method_t*)dict_getdata(pool->methods, nr); + + const char*return_type = "void"; + if(m->return_type_index) + return_type = dict_getstr(pool->multinames,m->return_type_index); + + printf("%s%s %s %s%s\n", prefix, type, return_type, name, m->paramstr); + + abc_method_body_t*c = (abc_method_body_t*)dict_getdata(pool->method_bodies, m->method_body_index); + + printf("%s[%d %d %d %d %d]\n", prefix, c->max_stack, c->local_count, c->init_scope_depth, c->max_scope_depth, c->exception_count); + + swf_SetTagPos(c->tag, 0); + char prefix2[80]; + sprintf(prefix2, "%s ", prefix); + if(c->traits) + dump_traits(prefix, c->traits, pool); + printf("%s{\n", prefix); + parse_code(c->tag, c->tag->len, pool,prefix2); + printf("%s}\n", prefix); +} + +//#define DEBUG +#define DEBUG if(0) + +static void parse_metadata(TAG*tag, abc_file_t*pool) +{ + int t; + int num_metadata = swf_GetU30(tag); + DEBUG printf("%d metadata\n"); + 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 +#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;tname_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 + trait->disp_id = swf_GetU30(tag); + trait->nr = swf_GetU30(tag); + DEBUG printf(" method/getter/setter\n"); + } else if(kind == 5) { // function + trait->slot_id = swf_GetU30(tag); + trait->nr = swf_GetU30(tag); + } else if(kind == 4) { // class + 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)); + trait->vindex = swf_GetU30(tag); + if(trait->vindex) { + trait->vkind = swf_GetU8(tag); + } + 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) { + 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); + swf_GetBlock(from, data, len); + swf_SetBlock(to, data, len); + free(data); +} + +abc_file_t*abc_file_new() +{ + abc_file_t*f = malloc(sizeof(abc_file_t)); + memset(f, 0, sizeof(abc_file_t)); + + 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); + f->namespaces = dict_new(); + 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); + f->multinames = dict_new(); + dict_append(f->multinames, "----", 0); + + // abc_file - TAG *classInit = swf_InsertTagBefore(swf, swf->firstTag, 0x052); + f->methods = dict_new(); + f->classes = dict_new(); + f->scripts = dict_new(); + f->method_bodies = dict_new(); + + return f; +} - /* 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); +static char* access2str(int type) +{ + if(type==0x08) return ""; + else if(type==0x16) return "package"; + else if(type==0x17) return "packageinternal"; + else if(type==0x18) return "protected"; + else if(type==0x19) return "explicit"; + else if(type==0x1A) return "staticprotected"; + else if(type==0x05) return "private"; + else return "undefined"; +} - /* Copy Constructor Method body first part */ - swf_SetBlock(classInit, (U8*)constructor_first, sizeof(constructor_first)); +void* swf_ReadABC(TAG*tag) +{ + abc_file_t* pool = abc_file_new(); - /* 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)); + swf_SetTagPos(tag, 0); + U32 abcflags = swf_GetU32(tag); + int t; + DEBUG printf("flags=%08x\n", abcflags); + char*classname = swf_GetString(tag); + U32 version = swf_GetU32(tag); + if(version!=0x002e0010) { + fprintf(stderr, "Warning: unknown AVM2 version %08x\n", version); + } + + int num_ints = swf_GetU30(tag); + DEBUG printf("%d ints\n", num_ints); + for(t=1;tints, 0, (void*)(ptroff_t)v); + } + + int num_uints = swf_GetU30(tag); + DEBUG printf("%d uints\n", num_uints); + for(t=1;tuints, 0, (void*)(ptroff_t)v); + } + + 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); + DEBUG printf("%d strings\n", num_strings); + for(t=1;tstrings, s, 0); + DEBUG printf("%d) \"%s\"\n", t, pool->strings->d[t].name); + } + int num_namespaces = swf_GetU30(tag); + DEBUG printf("%d namespaces\n", num_namespaces); + for(t=1;tstrings, namenr); + dict_append(pool->namespaces, name, (void*)(ptroff_t)type); + int w = 0; + DEBUG w=1; + if(w) { + if(type==0x08) printf("Namespace %s\n", name); + else if(type==0x16) printf("PackageNamespace %s\n", name); + else if(type==0x17) printf("PackageInternalNs %s\n", name); + else if(type==0x18) printf("ProtectedNamespace %s\n", name); + else if(type==0x19) printf("ExplicitNamespace %s\n", name); + else if(type==0x1A) printf("StaticProtectedNs %s\n", name); + else if(type==0x05) printf("PrivateNs %s\n", name); + else { + printf("Undefined namespace type\n"); + return 0; + } + } + } + int num_sets = swf_GetU30(tag); + 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); } - /* Copy Constructor method body ending, just a return */ - swf_SetBlock(classInit, (U8*)constructor_return, sizeof(constructor_return)); + int num_multinames = swf_GetU30(tag); + DEBUG printf("%d multinames\n", num_multinames); + for(t=1;ttype = swf_GetU8(tag); + + m->name_index = 0; + m->namespace_index = 0; + m->namespace_set_index = 0; + + char*mname = 0; + if(type==0x07 || type==0x0d) { + int nr1 = m->namespace_index = swf_GetU30(tag); + const char*namespace = dict_getstr(pool->namespaces, nr1); + U8 access = (U8)(ptroff_t)dict_getdata(pool->namespaces, nr1); + m->name_index = swf_GetU30(tag); + const char*methodname = dict_getstr(pool->strings, m->name_index); + DEBUG printf("multiname %d) <%s> %s:%s\n", t, access2str(access), namespace, methodname); + mname = malloc(strlen(namespace)+strlen(methodname)+300); + sprintf(mname, "[%s]\0", access2str(access)); + strcat(mname, namespace); + strcat(mname, ":"); + strcat(mname, methodname); + } else if(type==0x0f || type==0x10) { + m->name_index = swf_GetU30(tag); + const char*methodname = dict_getstr(pool->strings, m->name_index); + mname = strdup(methodname); + } else if(type==0x11 || type==0x12) { + m->name_index = 0; + mname = strdup(""); + } else if(type==0x09 || type==0x0e) { + m->name_index = swf_GetU30(tag); + m->namespace_set_index = swf_GetU30(tag); + const char*methodname = dict_getstr(pool->strings, m->name_index); + const char*namespace = dict_getstr(pool->namespace_sets, m->namespace_set_index); + 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) { + m->name_index = 0; + m->namespace_set_index = swf_GetU30(tag); + const char*nsset = dict_getstr(pool->namespace_sets, m->namespace_set_index); + mname = strdup(nsset); + } else { + printf("can't parse type %d multinames yet\n", type); + return 0; + } + dict_append(pool->multinames, mname, m); + free(mname); + } + + int num_methods = swf_GetU30(tag); + DEBUG printf("%d methods\n", num_methods); + for(t=0;tparam_count = swf_GetU30(tag); + m->return_type_index = swf_GetU30(tag); + m->index = t; + int s; + int params_len = 256; + char* params = malloc(params_len); + params[0]='('; + params[1]=0; + for(s=0;sparam_count;s++) { + 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, ")"); + int namenr = swf_GetU30(tag); + m->name = ""; + if(namenr) + m->name = dict_getstr(pool->strings, namenr); + m->paramstr=strdup(params); + free(params);params = 0; + + m->flags = swf_GetU8(tag); + + 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); + } + + parse_metadata(tag, pool); + + /* skip classes, and scripts for now, and do the real parsing later */ + int num_classes = swf_GetU30(tag); + int classes_pos = tag->pos; + 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 + cls->flags = swf_GetU8(tag); + if(cls->flags&8) + 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;t= pool->methods->num) { + printf("Invalid method number: %d\n", methodnr); + return 0; + } + abc_method_t*m = (abc_method_t*)dict_getdata(pool->methods, methodnr); + abc_method_body_t*c = malloc(sizeof(abc_method_body_t)); + memset(c, 0, sizeof(abc_method_body_t)); + c->max_stack = swf_GetU30(tag); + c->local_count = swf_GetU30(tag); + c->init_scope_depth = swf_GetU30(tag); + c->max_scope_depth = swf_GetU30(tag); + int code_length = swf_GetU30(tag); + c->method = m; + m->method_body_index = t; + + c->tag = swf_InsertTag(0,0); + + swf_CopyData(c->tag, tag, code_length); + + int exception_count = swf_GetU30(tag); + int s; + for(s=0;straits = traits_parse(tag, pool); + if(!c->traits) { + fprintf(stderr, "Can't parse code traits\n"); + return 0; + } + 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;rtag->data[r]); + } + DEBUG printf("\n"); + + dict_append(pool->method_bodies, 0, c); + } + if(tag->len - tag->pos) { + fprintf(stderr, "%d unparsed bytes remaining in ABC block\n", tag->len - tag->pos); + return 0; + } + + swf_SetTagPos(tag, classes_pos); + for(t=0;tclasses, t); + + cls->classname_index = swf_GetU30(tag); + cls->superclass_index = swf_GetU30(tag); + const char* classname = dict_getstr(pool->multinames, cls->classname_index); + const char* supername = dict_getstr(pool->multinames, cls->superclass_index); + + cls->name = classname; + cls->flags = swf_GetU8(tag); + const char*ns = ""; + if(cls->flags&8) { + cls->ns_index = swf_GetU30(tag); + ns = dict_getstr(pool->namespaces, cls->ns_index); + } + printf("class %s extends %s, %s, flags=%02x\n", classname, supername, ns, cls->flags); + printf("{\n"); + + dump_method(" ","staticconstructor", "", cls->static_constructor_index, pool); + dump_traits(" ", cls->static_constructor_traits, pool); + + 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 = traits_parse(tag, pool); + if(!cls->traits) { + fprintf(stderr, "Can't parse class traits\n"); + return 0; + } + dump_traits(" ",cls->traits, pool); + + printf("}\n"); + } + for(t=0;tmethods, init); + + abc_script_t*s = malloc(sizeof(abc_script_t)); + memset(s, 0, sizeof(abc_script_t)); + s->method = m; + s->traits = traits_parse(tag, pool); + dict_append(pool->scripts, 0, s); + if(!s->traits) { + fprintf(stderr, "Can't parse script traits\n"); + return 0; + } + dump_method("","initmethod", "init", init, pool); + dump_traits("", s->traits, pool); + } + return pool; +} + +static int registerNameSpace(abc_file_t*file, U8 access, char*name) { + if(access==0) { // autodetect access + char*n = strdup(name); + if(n[0] == '[') { + char*bracket = strchr(n, ']'); + if(bracket) { + *bracket = 0; + char*a = n+1; + name += (bracket-n)+1; + if(!strcmp(a, "")) access=0x16; + else if(!strcmp(a, "package")) access=0x16; + else if(!strcmp(a, "packageinternal")) access=0x17; + else if(!strcmp(a, "protected")) access=0x18; + else if(!strcmp(a, "explicit")) access=0x19; + else if(!strcmp(a, "staticprotected")) access=0x1a; + else if(!strcmp(a, "private")) access=0x05; + else { + fprintf(stderr, "Undefined access level: [%s]\n", a); + return -1; + } + } + } else { + access = 0x16; + } + free(n); + } + int t; + for(t=0;tnamespaces->num;t++) { + const char*name2 = dict_getstr(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*)(ptroff_t)access); +} +int abc_RegisterNameSpace(abc_file_t*file, char*name) { + return registerNameSpace(file, 0x08, name); +} +int abc_RegisterPackageNameSpace(abc_file_t*file, char*name) { + return registerNameSpace(file, 0x16 , name); +} +int abc_RegisterPackageInternalNameSpace(abc_file_t*file, char*name) { + return registerNameSpace(file, 0x17, name); +} +int abc_RegisterProtectedNameSpace(abc_file_t*file, char*name) { + return registerNameSpace(file, 0x18, name); +} +int abc_RegisterExplicitNameSpace(abc_file_t*file, char*name) { + return registerNameSpace(file, 0x19, name); +} +int abc_RegisterStaticProtectedNameSpace(abc_file_t*file, char*name) { + return registerNameSpace(file, 0x1a, name); +} +int abc_RegisterPrivateNameSpace(abc_file_t*file, char*name) { + return registerNameSpace(file, 0x05, name); +} +static int multiname_index(abc_file_t*pool, const char*name2) +{ + if(!name2) + name2 = ":"; + int pos = dict_find(pool->multinames, name2); + if(pos>=0) + return pos; + + int access = 0x16; + char*n = strdup(name2); + char*p = strchr(n, ':'); + char*namespace=0,*name=0; + if(!p) { + namespace = ""; + name = n; + } else { + *p = 0; + namespace = n; + name = p+1; + } + abc_multiname_t*m = malloc(sizeof(abc_multiname_t)); + m->namespace_index = registerNameSpace(pool, 0, namespace); + m->name_index = dict_append_if_new(pool->strings, name, 0); + return dict_append(pool->multinames, name2, m); +} + +abc_class_t* abc_NewClass(abc_file_t*pool, char*classname, char*superclass) { + abc_class_t* c = malloc(sizeof(abc_class_t)); + memset(c, 0, sizeof(abc_class_t)); + c->index = dict_append(pool->classes, 0, c); + c->pool = pool; + c->name = strdup(classname); + c->classname_index = multiname_index(pool, classname); + c->superclass_index = multiname_index(pool, superclass); + c->ns_index = abc_RegisterProtectedNameSpace(pool, classname); + c->iinit = -1; + c->static_constructor_index = -1; + c->flags = 0x08; + + c->traits = dict_new(); + return c; +} + +abc_method_body_t* add_method(abc_file_t*pool, abc_class_t*cls, char*returntype, char*name, int num_params, va_list va) +{ + /* construct code (method body) object */ + abc_method_body_t* c = malloc(sizeof(abc_method_body_t)); + memset(c, 0, sizeof(abc_method_body_t)); + c->index = dict_append(pool->method_bodies, 0, c); + c->tag = swf_InsertTag(0,0); + c->pool = pool; + c->traits = dict_new(); + + /* construct method object */ + abc_method_t* m = malloc(sizeof(abc_method_t)); + memset(m, 0, sizeof(abc_method_t)); + m->param_count = num_params; + m->index = dict_append(pool->methods, 0, m); + if(returntype && strcmp(returntype, "void")) { + m->return_type_index = multiname_index(pool, returntype); + } else { + m->return_type_index = 0; + } + if(num_params>sizeof(m->params)/sizeof(m->params[0])) { + fprintf(stderr, "abc: Too many parameters\n"); + return 0; + } + int t; + for(t=0;tparams[t] = multiname_index(pool, param); + } + + /* crosslink the two objects */ + m->method_body_index = c->index; + c->method = m; + + return c; +} + +abc_method_body_t* abc_AddConstructor(abc_class_t*cls, char*returntype, int num_params, ...) +{ + va_list va; + va_start(va, num_params); + abc_method_body_t* c = add_method(cls->pool, cls, returntype, 0, num_params, va); + va_end(va); + cls->iinit = c->index; + return c; +} + +abc_method_body_t* abc_AddStaticConstructor(abc_class_t*cls, char*returntype, int num_params, ...) +{ + va_list va; + va_start(va, num_params); + abc_method_body_t* c = add_method(cls->pool, cls, returntype, 0, num_params, va); + va_end(va); + cls->static_constructor_index = c->index; + return c; +} + +abc_trait_t*trait_new(int type, int name_index, int data1, int data2, int vindex, int vkind) +{ + abc_trait_t*trait = malloc(sizeof(abc_trait_t)); + memset(trait, 0, sizeof(abc_trait_t)); + trait->type = type; + trait->name_index = name_index; + trait->data1 = data1; + trait->data2 = data2; + trait->vindex = vindex; + trait->vkind = vkind; + return trait; +} + +abc_method_body_t* abc_AddMethod(abc_class_t*cls, char*returntype, char*name, int num_params, ...) +{ + abc_file_t*pool = cls->pool; + va_list va; + va_start(va, num_params); + abc_method_body_t* c = add_method(cls->pool, cls, returntype, name, num_params, va); + va_end(va); + dict_append(cls->traits, 0, trait_new(TRAIT_METHOD, multiname_index(pool, name), 0, c->method->index, 0, 0)); + return c; +} + +void abc_AddSlot(abc_class_t*cls, char*name, int slot, char*multiname) +{ + abc_file_t*pool = cls->pool; + int i = multiname_index(pool, name); + dict_append(cls->traits, 0, trait_new(TRAIT_SLOT, i, slot, multiname_index(pool, multiname), 0, 0)); +} + +void abc_method_body_addClassTrait(abc_method_body_t*code, char*multiname, int slotid, abc_class_t*cls) +{ + abc_file_t*pool = code->pool; + int i = multiname_index(pool, multiname); + abc_trait_t*trait = trait_new(TRAIT_CLASS, i, slotid, cls->index, 0, 0); + dict_append(code->traits, 0, trait); +} + +/* notice: traits of a method (body) belonging to an init script + and traits of the init script are *not* the same thing */ +void abc_initscript_addClassTrait(abc_script_t*script, char*multiname, int slotid, abc_class_t*cls) +{ + abc_file_t*pool = script->pool; + int i = multiname_index(pool, multiname); + abc_trait_t*trait = trait_new(TRAIT_CLASS, i, slotid, cls->index, 0, 0); + dict_append(script->traits, 0, trait); +} + +abc_script_t* abc_AddInitScript(abc_file_t*pool, char*returntype, int num_params, ...) +{ + va_list va; + va_start(va, num_params); + abc_method_body_t* c = add_method(pool, 0, returntype, 0, num_params, va); + abc_script_t* s = malloc(sizeof(abc_script_t)); + s->method = c->method; + s->traits = dict_new(); + s->pool = pool; + dict_append(pool->scripts, 0, s); + va_end(va); + return s; +} + +void swf_SetU30(TAG*tag, U32 u) +{ + do { + swf_SetU8(tag, (u&~0x7f?0x80:0) | (u&0x7F)); + u>>=7; + } while(u); +} +void swf_SetU30String(TAG*tag, const char*str) +{ + int l = strlen(str); + swf_SetU30(tag, l); + swf_SetBlock(tag, (void*)str, l); +} + +static void write_traits(abc_file_t*pool, TAG*tag, dict_t*traits) +{ + if(!traits) { + swf_SetU30(tag, 0); + return; + } + swf_SetU30(tag, traits->num); + int s; + + for(s=0;snum;s++) { + abc_trait_t*trait = (abc_trait_t*)dict_getdata(traits, s); + swf_SetU30(tag, trait->name_index); + swf_SetU8(tag, trait->type); + swf_SetU30(tag, trait->data1); + swf_SetU30(tag, trait->data2); + if(trait->type == 0) { //slot + swf_SetU30(tag, trait->vindex); + if(trait->vindex) { + swf_SetU8(tag, trait->vkind); + } + } + } +} + +void swf_WriteABC(TAG*tag, void*code) +{ + abc_file_t*pool = (abc_file_t*)code; + + swf_SetU32(tag, 1); + swf_SetU8(tag, 0); + swf_SetU16(tag, 0x10); + swf_SetU16(tag, 0x2e); + swf_SetU30(tag, pool->ints->num>1?pool->ints->num:0); + // ... + swf_SetU30(tag, pool->uints->num>1?pool->uints->num:0); + // ... + swf_SetU30(tag, pool->floats->num>1?pool->floats->num:0); + // ... + swf_SetU30(tag, pool->strings->num>1?pool->strings->num:0); + int t; + for(t=1;tstrings->num;t++) { + swf_SetU30String(tag, dict_getstr(pool->strings, t)); + } + swf_SetU30(tag, pool->namespaces->num>1?pool->namespaces->num:0); + for(t=1;tnamespaces->num;t++) { + U8 type = (U8)(ptroff_t)dict_getdata(pool->namespaces, t); + const char*name = dict_getstr(pool->namespaces, t); + int i = dict_find(pool->strings, name); + if(i<0) { + fprintf(stderr, "Couldn't find namespace \"%s\" in constant pool\n", name); + return; + } + swf_SetU8(tag, type); + swf_SetU30(tag, i); + } + swf_SetU30(tag, pool->sets->num>1?pool->sets->num:0); + // ... + + swf_SetU30(tag, pool->multinames->num>1?pool->multinames->num:0); + // ... + for(t=1;tmultinames->num;t++) { + abc_multiname_t*m = (abc_multiname_t*)dict_getdata(pool->multinames, t); + swf_SetU8(tag, 0x07); + swf_SetU30(tag, m->namespace_index); + swf_SetU30(tag, m->name_index); + } + + swf_SetU30(tag, pool->methods->num); + for(t=0;tmethods->num;t++) { + abc_method_t*m = (abc_method_t*)dict_getdata(pool->methods, t); + swf_SetU30(tag, m->param_count); + swf_SetU30(tag, m->return_type_index); + int s; + for(s=0;sparam_count;s++) { + swf_SetU30(tag, m->params[s]); + } + swf_SetU30(tag, 0); // name + swf_SetU8(tag, 0); //flags + } + + swf_SetU30(tag, 0);//metadata + + swf_SetU30(tag, pool->classes->num); + + for(t=0;tclasses->num;t++) { + abc_class_t*c = (abc_class_t*)dict_getdata(pool->classes, t); + swf_SetU30(tag, c->classname_index); + swf_SetU30(tag, c->superclass_index); + + swf_SetU8(tag, c->flags); // flags + if(c->flags&0x08) + swf_SetU30(tag, c->ns_index); + + swf_SetU30(tag, 0); // no interfaces + if(c->iinit<0) { + fprintf(stderr, "Error: Class %s has no constructor\n", c->name); + return; + } + swf_SetU30(tag, c->iinit); + write_traits(pool, tag, c->traits); + } + for(t=0;tclasses->num;t++) { + abc_class_t*c = (abc_class_t*)dict_getdata(pool->classes, t); + if(c->static_constructor_index<0) { + fprintf(stderr, "Error: Class %s has no static constructor\n", c->name); + return; + } + swf_SetU30(tag, c->static_constructor_index); + write_traits(pool, tag, c->static_constructor_traits); + } + + swf_SetU30(tag, pool->scripts->num); + for(t=0;tscripts->num;t++) { + abc_script_t*s = (abc_script_t*)dict_getdata(pool->scripts, t); + swf_SetU30(tag, s->method->index); //!=t! + write_traits(pool, tag, s->traits); + } + + swf_SetU30(tag, pool->method_bodies->num); + for(t=0;tmethod_bodies->num;t++) { + abc_method_body_t*c = (abc_method_body_t*)dict_getdata(pool->method_bodies, t); + abc_method_t*m = c->method; + swf_SetU30(tag, m->index); + swf_SetU30(tag, c->max_stack); + swf_SetU30(tag, c->local_count); + swf_SetU30(tag, c->init_scope_depth); + swf_SetU30(tag, c->max_scope_depth); + swf_SetU30(tag, c->tag->len); + swf_SetBlock(tag, c->tag->data, c->tag->len); + swf_SetU30(tag, c->exception_count); + write_traits(pool, tag, c->traits); + } +} + +#include "swfabc_ops.c" + +void swf_AddButtonLinks(TAG*tag) +{ + abc_file_t*file = abc_file_new(); + abc_method_body_t*c = 0; + + abc_class_t*cls = abc_NewClass(file, "buttonmitlink_fla:MainTimeline", "flash.display:MovieClip"); + + + c = abc_AddStaticConstructor(cls, "void", 0); + c->max_stack = 1; + c->local_count = 1; + c->init_scope_depth = 9; + c->max_scope_depth = 10; + + abc_getlocal_0(c); + abc_pushscope(c); + abc_returnvoid(c); + + + c = abc_AddConstructor(cls, 0, 0); + c->max_stack = 3; + c->local_count = 1; + c->init_scope_depth = 10; + c->max_scope_depth = 11; + + abc_getlocal_0(c); + abc_pushscope(c); + + abc_getlocal_0(c); + abc_constructsuper(c,0); + + abc_getlex(c, "[package]flash.system:Security"); + abc_pushstring(c, "*"); + abc_callpropvoid(c, "[package]:allowDomain", 1); + + //abc_getlocal_0(c); + //abc_constructsuper(c,0); + + abc_findpropstrict(c,":addFrameScript"); + abc_pushbyte(c,0x00); + abc_getlex(c,"[packageinternal]buttonmitlink_fla:frame1"); + abc_callpropvoid(c,":addFrameScript",2); + + abc_getlex(c,":MyButton1"); + abc_getlex(c,"flash.events:MouseEvent"); + abc_getproperty(c, ":CLICK"); + abc_getlex(c, ":gotoPage1"); + abc_callpropvoid(c, ":addEventListener" ,2); + + abc_getlex(c,":MyButton2"); + abc_getlex(c,"flash.events:MouseEvent"); + abc_getproperty(c, ":CLICK"); + abc_getlex(c,":gotoPage2"); + abc_callpropvoid(c,":addEventListener",2); + abc_returnvoid(c); + + + c = abc_AddMethod(cls, 0, "[packageinternal]buttonmitlink_fla:frame1", 0); + c->max_stack = 3; + c->local_count = 1; + c->init_scope_depth = 10; + c->max_scope_depth = 11; + + abc_getlocal_0(c); + abc_pushscope(c); + abc_returnvoid(c); + + + abc_AddSlot(cls, ":MyButton1", 0, "flash.display:SimpleButton"); + abc_AddSlot(cls, ":MyButton2", 0, "flash.display:SimpleButton"); + + + c = abc_AddMethod(cls, ":void", ":gotoPage1", 1, "flash.events:MouseEvent"); + c->max_stack = 3; + c->local_count = 2; + c->init_scope_depth = 10; + c->max_scope_depth = 11; + abc_getlocal_0(c); + abc_pushscope(c); + abc_findpropstrict(c,"flash.net:navigateToURL"); + abc_findpropstrict(c,"flash.net:URLRequest"); + abc_pushstring(c,"http://www.google.com/"); + //abc_pushstring(c,"file:///home/kramm/c/swftools/lib/modules/test2.html"); + abc_constructprop(c,"flash.net:URLRequest", 1); + abc_callpropvoid(c,"flash.net:navigateToURL", 1); + abc_returnvoid(c); + + + c = abc_AddMethod(cls, ":void", ":gotoPage2", 1, "flash.events:MouseEvent"); + c->max_stack = 3; + c->local_count = 2; + c->init_scope_depth = 10; + c->max_scope_depth = 11; + abc_getlocal_0(c); + abc_pushscope(c); + abc_findpropstrict(c, "flash.net:navigateToURL"); + abc_findpropstrict(c, "flash.net:URLRequest"); + abc_pushstring(c, "http://www.quiss.org"); + //abc_pushstring(c, "file:///home/kramm/c/swftools/lib/modules/test1.html"); + abc_constructprop(c, "flash.net:URLRequest", 1); + abc_callpropvoid(c, "flash.net:navigateToURL", 1); + abc_returnvoid(c); + + + + abc_script_t*s = abc_AddInitScript(file, 0, 0); + c = (abc_method_body_t*)dict_getdata(file->method_bodies, s->method->method_body_index); + c->max_stack = 2; + c->local_count = 1; + c->init_scope_depth = 1; + c->max_scope_depth = 9; + abc_getlocal_0(c); + abc_pushscope(c); + abc_getscopeobject(c, 0); + abc_getlex(c,":Object"); + abc_pushscope(c); + abc_getlex(c,"flash.events:EventDispatcher"); + abc_pushscope(c); + abc_getlex(c,"flash.display:DisplayObject"); + abc_pushscope(c); + abc_getlex(c,"flash.display:InteractiveObject"); + abc_pushscope(c); + abc_getlex(c,"flash.display:DisplayObjectContainer"); + abc_pushscope(c); + abc_getlex(c,"flash.display:Sprite"); + abc_pushscope(c); + abc_getlex(c,"flash.display:MovieClip"); + abc_pushscope(c); + abc_getlex(c,"flash.display:MovieClip"); + abc_newclass(c,cls); + abc_popscope(c); + abc_popscope(c); + abc_popscope(c); + abc_popscope(c); + abc_popscope(c); + abc_popscope(c); + abc_popscope(c); + abc_initproperty(c,"buttonmitlink_fla:MainTimeline"); + abc_returnvoid(c); + + //abc_method_body_addClassTrait(c, "buttonmitlink_fla:MainTimeline", 1, cls); + abc_initscript_addClassTrait(s, "buttonmitlink_fla:MainTimeline", 1, cls); - /* Copy the script init code */ - swf_SetBlock(classInit, (U8*)script_init_pool, sizeof(script_init_pool)); + swf_WriteABC(tag, file); }