lib/action/listaction.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include <stdarg.h>
   4 #include "action.h"
   5 #include "compile.h"
   6
   7
   8 #define print(x)        {fputs(x,stdout);}
   9
  10 int gIndent;
  11 #define INDENT_LEVEL 2
  12
  13 void println(const char *s, ...)
  14 {
  15   va_list ap;
  16   int n = gIndent*INDENT_LEVEL;
  17
  18   while(n-- > 0)
  19     putchar(' ');
  20
  21   va_start(ap, s);
  22   vprintf(s, ap);
  23   va_end(ap);
  24
  25   putchar('\n');
  26 }
  27
  28 int fileOffset = 0;
  29
  30 int readUInt8(Buffer f)
  31 {
  32   return f->buffer[fileOffset++];
  33 }
  34
  35 int readSInt8(Buffer f)
  36 {
  37   return (signed char)readUInt8(f);
  38 }
  39
  40 int readSInt16(Buffer f)
  41 {
  42   return readUInt8(f) + readSInt8(f)*256;
  43 }
  44
  45 int readUInt16(Buffer f)
  46 {
  47   return readUInt8(f) + (readUInt8(f)<<8);
  48 }
  49
  50 long readSInt32(Buffer f)
  51 {
  52   return (long)readUInt8(f) + (readUInt8(f)<<8) + (readUInt8(f)<<16) + (readUInt8(f)<<24);
  53 }
  54
  55 unsigned long readUInt32(Buffer f)
  56 {
  57   return (unsigned long)(readUInt8(f) + (readUInt8(f)<<8) + (readUInt8(f)<<16) + (readUInt8(f)<<24));
  58 }
  59
  60 double readDouble(Buffer f)
  61 {
  62   double d;
  63   unsigned char *p = (unsigned char *)&d;
  64
  65   p[4] = readUInt8(f);
  66   p[5] = readUInt8(f);
  67   p[6] = readUInt8(f);
  68   p[7] = readUInt8(f);
  69   p[0] = readUInt8(f);
  70   p[1] = readUInt8(f);
  71   p[2] = readUInt8(f);
  72   p[3] = readUInt8(f);
  73
  74   return d;
  75 }
  76
  77 char *readString(Buffer f)
  78 {
  79   int len = 0, buflen = 256;
  80   char c, *buf, *p;
  81
  82   buf = (char *)malloc(sizeof(char)*256);
  83   p = buf;
  84
  85   while((c=(char)readUInt8(f)) != '\0')
  86   {
  87     if(len==buflen)
  88     {
  89       buf = (char *)realloc(buf, sizeof(char)*(buflen+256));
  90       buflen += 256;
  91       p = buf+len;
  92     }
  93
  94     *(p++) = c;
  95     ++len;
  96   }
  97
  98   *p = 0;
  99
 100   return buf;
 101 }
 102
 103 void dumpBytes(Buffer f, int length)
 104 {
 105   int j=0, i, k;
 106   unsigned char buf[16];
 107
 108   if(length==0)
 109     return;
 110
 111   for(;;)
 112   {
 113     for(i=0; i<16; ++i)
 114     {
 115       printf("%02x ", buf[i] = readUInt8(f));
 116       ++j;
 117
 118       if(j==length)
 119                 break;
 120     }
 121
 122     if(j==length)
 123     {
 124       for(k=i+1; k<16; ++k)
 125         print("   ");
 126
 127       ++i;
 128     }
 129
 130     print("   ");
 131
 132     for(k=0; k<i; ++k)
 133       if((buf[k] > 31) && (buf[k] < 128))
 134         putchar(buf[k]);
 135       else
 136         putchar('.');
 137
 138     putchar('\n');
 139
 140     if(j==length)
 141       break;
 142   }
 143   putchar('\n');
 144   putchar('\n');
 145 }
 146
 147 void printDoAction(Buffer f, int length);
 148
 149 char *dictionary[256];
 150
 151 int printActionRecord(Buffer f)
 152 {
 153   int length = 0, type;
 154
 155   printf("(%i)\t", fileOffset);
 156
 157   type = readUInt8(f);
 158
 159   if((type&0x80) == 0x80)
 160     length = readUInt16(f);
 161
 162   switch(type)
 163   {
 164     case SWFACTION_ADD:
 165       println("Add");
 166       break;
 167     case SWFACTION_SUBTRACT:
 168       println("Subtract");
 169       break;
 170     case SWFACTION_MULTIPLY:
 171       println("Multiply");
 172       break;
 173     case SWFACTION_DIVIDE:
 174       println("Divide");
 175       break;
 176     case SWFACTION_EQUAL:
 177       println("Equals");
 178       break;
 179     case SWFACTION_LESSTHAN:
 180       println("Less Than");
 181       break;
 182     case SWFACTION_LOGICALAND:
 183       println("And");
 184       break;
 185     case SWFACTION_LOGICALOR:
 186       println("Or");
 187       break;
 188     case SWFACTION_LOGICALNOT:
 189       println("Not");
 190       break;
 191     case SWFACTION_STRINGEQ:
 192       println("String eq");
 193       break;
 194     case SWFACTION_STRINGLENGTH:
 195       println("String Length");
 196       break;
 197     case SWFACTION_SUBSTRING:
 198       println("Substring");
 199       break;
 200     case SWFACTION_POP:
 201       println("Pop");
 202       break;
 203     case SWFACTION_INT:
 204       println("Int");
 205       break;
 206     case SWFACTION_GETVARIABLE:
 207       println("Get Variable");
 208       break;
 209     case SWFACTION_SETVARIABLE:
 210       println("Set Variable");
 211       break;
 212     case SWFACTION_SETTARGETEXPRESSION:
 213       println("Set Target Expression");
 214       break;
 215     case SWFACTION_STRINGCONCAT:
 216       println("String Concat");
 217       break;
 218     case SWFACTION_GETPROPERTY:
 219       println("Get Property");
 220       break;
 221     case SWFACTION_SETPROPERTY:
 222       println("Set Property");
 223       break;
 224     case SWFACTION_DUPLICATECLIP:
 225       println("Duplicate Clip");
 226       break;
 227     case SWFACTION_REMOVECLIP:
 228       println("Remove Clip");
 229       break;
 230     case SWFACTION_TRACE:
 231       println("Trace");
 232       break;
 233     case SWFACTION_STARTDRAGMOVIE:
 234       println("Start Drag Movie");
 235       break;
 236     case SWFACTION_STOPDRAGMOVIE:
 237       println("Stop Drag Movie");
 238       break;
 239     case SWFACTION_STRINGCOMPARE:
 240       println("String Compare");
 241       break;
 242     case SWFACTION_RANDOM:
 243       println("Random");
 244       break;
 245     case SWFACTION_MBLENGTH:
 246       println("String MB Length");
 247       break;
 248     case SWFACTION_ORD:
 249       println("Ord");
 250       break;
 251     case SWFACTION_CHR:
 252       println("Chr");
 253       break;
 254     case SWFACTION_GETTIMER:
 255       println("Get Timer");
 256       break;
 257     case SWFACTION_MBSUBSTRING:
 258       println("MB Substring");
 259       break;
 260     case SWFACTION_MBORD:
 261       println("MB Ord");
 262       break;
 263     case SWFACTION_MBCHR:
 264       println("MB Chr");
 265       break;
 266     case SWFACTION_NEXTFRAME:
 267       println("Next Frame");
 268       break;
 269     case SWFACTION_PREVFRAME:
 270       println("Previous Frame");
 271       break;
 272     case SWFACTION_PLAY:
 273       println("Play");
 274       break;
 275     case SWFACTION_STOP:
 276       println("Stop");
 277       break;
 278     case SWFACTION_TOGGLEQUALITY:
 279       println("Toggle Quality");
 280       break;
 281     case SWFACTION_STOPSOUNDS:
 282       println("Stop Sounds");
 283       break;
 284
 285     /* ops with args */
 286     case SWFACTION_PUSHDATA:
 287     {
 288       int type;
 289       int start = fileOffset;
 290
 291       while(fileOffset < start+length)
 292       {
 293         switch(type = readUInt8(f))
 294         {
 295           case 0: /* string */
 296             println("Push String: %s", readString(f));
 297             break;
 298           case 1: /* property */
 299             readUInt16(f); /* always 0? */
 300             println("Push Property: %04x", readUInt16(f));
 301             break;
 302           case 2: /* null */
 303             println("Push NULL");
 304             break;
 305           case 3: /* ??? */
 306             println("Push type 3- ??");
 307             break;
 308           case 4:
 309             println("Push register %i", readUInt8(f));
 310             break;
 311           case 5:
 312             if(readUInt8(f))
 313               println("Push true");
 314             else
 315               println("Push false");
 316             break;
 317           case 6: /* double */
 318             println("Push %f", readDouble(f));
 319             break;
 320           case 7: /* int */
 321             println("Push %i", readSInt32(f));
 322             break;
 323           case 8: /* dictionary */
 324             println("Push \"%s\"", dictionary[readUInt8(f)]);
 325             break;
 326           case 9: /* dictionary */
 327             println("Push \"%s\"", dictionary[readSInt16(f)]);
 328           default:
 329             println("unknown push type: %i", type);
 330         }
 331       }
 332       break;
 333     }
 334     case SWFACTION_GOTOFRAME:
 335       println("Goto Frame %i", readUInt16(f));
 336       break;
 337     case SWFACTION_GETURL:
 338     {
 339       char *url = readString(f);
 340       println("Get URL \"%s\" target \"%s\"", url, readString(f));
 341       break;
 342     }
 343     case SWFACTION_WAITFORFRAMEEXPRESSION:
 344       println("Wait For Frame Expression, skip %i\n", readUInt8(f));
 345       break;
 346     case SWFACTION_BRANCHALWAYS:
 347       println("Branch Always %i", readSInt16(f));
 348       break;
 349     case SWFACTION_GETURL2:
 350       {
 351         int flags = readUInt8(f);
 352
 353         const char *op = (flags & 0x80) ? "Get URL2 (loadvariables)" : "Get URL2";
 354         const char *tgt = (flags & 0x40) ? " into target" : "";
 355
 356         switch(flags & 0x03)
 357         {
 358           case 0: println("%s%s (Don't send)", op, tgt); break;
 359           case 1: println("%s%s (GET)", op, tgt); break;
 360           case 2: println("%s%s (POST)", op, tgt); break;
 361         }
 362       }
 363       break;
 364     case SWFACTION_BRANCHIFTRUE:
 365       println("Branch If True %i", readSInt16(f));
 366       break;
 367     case SWFACTION_CALLFRAME:
 368       println("Call Frame");
 369       dumpBytes(f, length);
 370       break;
 371     case SWFACTION_GOTOEXPRESSION:
 372       print("Goto Expression");
 373       if(readUInt8(f) == 1)
 374         printf(" and Play\n");
 375       else
 376         printf(" and Stop\n");
 377       break;
 378     case SWFACTION_WAITFORFRAME:
 379     {
 380       int frame = readUInt16(f);
 381       println("Wait for frame %i else skip %i", frame, readUInt8(f));
 382       break;
 383     }
 384     case SWFACTION_SETTARGET:
 385       println("Set Target %s", readString(f));
 386       break;
 387     case SWFACTION_GOTOLABEL:
 388       println("Goto Label %s", readString(f));
 389       break;
 390     case SWFACTION_END:
 391       return 0;
 392       break;
 393
 394     /* f5 ops */
 395     case SWFACTION_DELETE:
 396       println("Delete");
 397       break;
 398     case SWFACTION_VAR:
 399       println("Var");
 400       break;
 401     case SWFACTION_VAREQUALS:
 402       println("Var assign");
 403       break;
 404     case SWFACTION_INITARRAY:
 405       println("Init array");
 406       break;
 407     case SWFACTION_INITOBJECT:
 408       println("Init object");
 409       break;
 410     case SWFACTION_CALLFUNCTION:
 411       println("call function");
 412       break;
 413     case SWFACTION_RETURN:
 414       println("return");
 415       break;
 416     case SWFACTION_MODULO:
 417       println("modulo");
 418       break;
 419     case SWFACTION_NEW:
 420       println("new");
 421       break;
 422     case SWFACTION_TYPEOF:
 423       println("typeof");
 424       break;
 425     case SWFACTION_NEWADD:
 426       println("new add");
 427       break;
 428     case SWFACTION_NEWLESSTHAN:
 429       println("new less than");
 430       break;
 431     case SWFACTION_NEWEQUALS:
 432       println("new equals");
 433       break;
 434     case SWFACTION_DUP:
 435       println("dup");
 436       break;
 437     case SWFACTION_SWAP:
 438       println("swap");
 439       break;
 440     case SWFACTION_GETMEMBER:
 441       println("get member");
 442       break;
 443     case SWFACTION_SETMEMBER:
 444       println("set member");
 445       break;
 446     case SWFACTION_INCREMENT:
 447       println("increment");
 448       break;
 449     case SWFACTION_CALLMETHOD:
 450       println("call method");
 451       break;
 452     case SWFACTION_BITWISEAND:
 453       println("bitwise and");
 454       break;
 455     case SWFACTION_BITWISEOR:
 456       println("bitwise or");
 457       break;
 458     case SWFACTION_BITWISEXOR:
 459       println("bitwise xor");
 460       break;
 461     case SWFACTION_SHIFTLEFT:
 462       println("shift left");
 463       break;
 464     case SWFACTION_SHIFTRIGHT:
 465       println("shift right");
 466       break;
 467     case SWFACTION_SHIFTRIGHT2:
 468       println("shift right 2");
 469       break;
 470
 471     case SWFACTION_CONSTANTPOOL:
 472     {
 473       int i, n = readUInt16(f);
 474       print("declare dictionary:");
 475
 476       for(i=0; i<n; ++i)
 477         printf(" %s%c", dictionary[i]=readString(f), (i<n-1)?',':'\n');
 478
 479       break;
 480     }
 481     case SWFACTION_WITH:
 482     {
 483       println("with");
 484
 485       ++gIndent;
 486       printDoAction(f, readUInt16(f));
 487       --gIndent;
 488
 489       break;
 490     }
 491     case SWFACTION_DEFINEFUNCTION:
 492     {
 493       char *name = readString(f);
 494       int n = readUInt16(f);
 495
 496       print("function ");
 497       print(name);
 498       putchar('(');
 499
 500       if(n > 0)
 501       {
 502         printf("%s", readString(f));
 503         --n;
 504       }
 505
 506       for(; n>0; --n)
 507         printf(", %s", readString(f));
 508
 509       putchar(')');
 510       putchar('\n');
 511
 512       ++gIndent;
 513       printDoAction(f, readUInt16(f));
 514       --gIndent;
 515
 516       break;
 517     }
 518
 519     case SWFACTION_ENUMERATE:
 520       println("enumerate");
 521       break;
 522
 523     case SWFACTION_SETREGISTER:
 524       println("set register %i", readUInt8(f));
 525       break;
 526
 527 /* f6 actions */
 528     case SWFACTION_INSTANCEOF:
 529       println("instanceof");
 530       break;
 531     case SWFACTION_STRICTEQ:
 532       println("strict_equals");
 533       break;
 534     case SWFACTION_ENUM2:
 535       println("enum2");
 536       break;
 537
 538     default:
 539       println("Unknown Action: %02X", type);
 540       dumpBytes(f, length);
 541   }
 542
 543   return 1;
 544 }
 545
 546 void printDoAction(Buffer f, int length)
 547 {
 548   int end;
 549
 550   if(!f)
 551     return;
 552
 553   end = fileOffset + length;
 554
 555   while(fileOffset < end && printActionRecord(f))
 556     ;
 557 }