src/upkg.c

   1 /*
   2  *  upkg: tool for manipulating Unreal Tournament packages.
   3  *  Copyright © 2009-2011 Nick Bowler
   4  *
   5  *  This program is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include <config.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23 #include <errno.h>
  24 #include <assert.h>
  25 #include <getopt.h>
  26
  27 #include <glib-object.h>
  28
  29 #include "upkg.h"
  30 #include <uobject/uobject.h>
  31 #include <uobject/exportable.h>
  32 #include <uobject/loadable.h>
  33 #include <uobject/module.h>
  34 #include <uobject/package.h>
  35 #include <uobject/vfs.h>
  36
  37 enum {
  38         MODE_INFO,
  39         MODE_LIST,
  40         MODE_EXPORT,
  41         MODE_MAX
  42 };
  43
  44 int verbose = 0;
  45
  46 static const char *progname = "upkg";
  47 static const char *sopts = "ilxvf:VH";
  48 static const struct option lopts[] = {
  49         { "info",     0, NULL, 'i' },
  50         { "list",     0, NULL, 'l' },
  51         { "export",   0, NULL, 'x' },
  52         { "file",     1, NULL, 'f' },
  53         { "verbose",  0, NULL, 'v' },
  54         { "version",  0, NULL, 'V' },
  55         { "help",     0, NULL, 'H' },
  56         { 0 }
  57 };
  58
  59 void print_version(void)
  60 {
  61         printf("%s\n", PACKAGE_STRING);
  62         puts("\
  63 Copyright (C) 2009 Nick Bowler.\n\
  64 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\n\
  65 This is free software: you are free to change and redistribute it.\n\
  66 There is NO WARRANTY, to the extent permitted by law."
  67         );
  68 }
  69
  70 void print_usage(FILE *f)
  71 {
  72         fprintf(f, "Usage: %s [options] [object ...]\n", progname);
  73 }
  74
  75 void print_help(void)
  76 {
  77         print_usage(stdout);
  78         puts("Detailed help coming soon.  Until then, I'll just list my options.");
  79         for (unsigned i = 0; lopts[i].name; i++) {
  80                 const struct option *o = &lopts[i];
  81                 printf("\t--%s", o->name);
  82
  83                 if (o->has_arg == 1) {
  84                         printf("=val");
  85                 } else if (o->has_arg == 2) {
  86                         printf("[=val]");
  87                 }
  88
  89                 printf(" (-%c)\n", o->val);
  90         }
  91 }
  92
  93 static void print_upkg_flags(const char *prefix, unsigned long flags)
  94 {
  95         if (flags & UPKG_FLAG_ALLOW_DOWNLOAD)
  96                 printf("%sAllowDownload\n", prefix);
  97         if (flags & UPKG_FLAG_CLIENT_OPTIONAL)
  98                 printf("%sClientOptional\n", prefix);
  99         if (flags & UPKG_FLAG_SERVER_ONLY)
 100                 printf("%sServerOnly\n", prefix);
 101         if (flags & UPKG_FLAG_BROKEN_LINKS)
 102                 printf("%sBrokenLinks\n", prefix);
 103         if (flags & UPKG_FLAG_INSECURE)
 104                 printf("%sInsecure\n", prefix);
 105         if (flags & UPKG_FLAG_REQUIRED)
 106                 printf("%sRequired\n", prefix);
 107 }
 108
 109 static void print_upkg_object_flags(const char *prefix, unsigned long flags)
 110 {
 111         if (flags & UPKG_OBJ_FLAG_TRANSACTIONAL)
 112                 printf("%sTransactional\n", prefix);
 113         if (flags & UPKG_OBJ_FLAG_UNREACHABLE)
 114                 printf("%sUnreachable\n", prefix);
 115         if (flags & UPKG_OBJ_FLAG_PUBLIC)
 116                 printf("%sPublic\n", prefix);
 117         if (flags & UPKG_OBJ_FLAG_TAG_IMPORT)
 118                 printf("%sImport\n", prefix);
 119         if (flags & UPKG_OBJ_FLAG_TAG_EXPORT)
 120                 printf("%sTagExport\n", prefix);
 121         if (flags & UPKG_OBJ_FLAG_SOURCE_MODIFIED)
 122                 printf("%sSourceModified\n", prefix);
 123         if (flags & UPKG_OBJ_FLAG_TAG_GARBAGE)
 124                 printf("%sTagGarbage\n", prefix);
 125         if (flags & UPKG_OBJ_FLAG_NEED_LOAD)
 126                 printf("%sNeedLoad\n", prefix);
 127         if (flags & UPKG_OBJ_FLAG_HIGHLIGHT_NAME)
 128                 printf("%sHighlightName\n", prefix);
 129         if (flags & UPKG_OBJ_FLAG_IN_SINGULAR_FUNC)
 130                 printf("%sInSingularFunc\n", prefix);
 131         if (flags & UPKG_OBJ_FLAG_SUPPRESSED)
 132                 printf("%sSuppressed\n", prefix);
 133         if (flags & UPKG_OBJ_FLAG_IN_END_STATE)
 134                 printf("%sInEndState\n", prefix);
 135         if (flags & UPKG_OBJ_FLAG_TRANSIENT)
 136                 printf("%sTransient\n", prefix);
 137         if (flags & UPKG_OBJ_FLAG_PRELOADING)
 138                 printf("%sPreloading\n", prefix);
 139         if (flags & UPKG_OBJ_FLAG_LOAD_FOR_CLIENT)
 140                 printf("%sLoadForClient\n", prefix);
 141         if (flags & UPKG_OBJ_FLAG_LOAD_FOR_SERVER)
 142                 printf("%sLoadForServer\n", prefix);
 143         if (flags & UPKG_OBJ_FLAG_LOAD_FOR_EDIT)
 144                 printf("%sLoadForEdit\n", prefix);
 145         if (flags & UPKG_OBJ_FLAG_STANDALONE)
 146                 printf("%sStandalone\n", prefix);
 147         if (flags & UPKG_OBJ_FLAG_NOT_FOR_CLIENT)
 148                 printf("%sNotForClient\n", prefix);
 149         if (flags & UPKG_OBJ_FLAG_NOT_FOR_SERVER)
 150                 printf("%sNotForServer\n", prefix);
 151         if (flags & UPKG_OBJ_FLAG_NOT_FOR_EDIT)
 152                 printf("%sNotForEdit\n", prefix);
 153         if (flags & UPKG_OBJ_FLAG_DESTROYED)
 154                 printf("%sDestroyed\n", prefix);
 155         if (flags & UPKG_OBJ_FLAG_NEED_POST_LOAD)
 156                 printf("%sNeedPostLoad\n", prefix);
 157         if (flags & UPKG_OBJ_FLAG_HAS_STACK)
 158                 printf("%sHasStack\n", prefix);
 159         if (flags & UPKG_OBJ_FLAG_NATIVE)
 160                 printf("%sNative\n", prefix);
 161         if (flags & UPKG_OBJ_FLAG_MARKED)
 162                 printf("%sMarked\n", prefix);
 163         if (flags & UPKG_OBJ_FLAG_ERROR_SHUTDOWN)
 164                 printf("%sErrorShutdown\n", prefix);
 165         if (flags & UPKG_OBJ_FLAG_DEBUG_POST_LOAD)
 166                 printf("%sDebugPostLoad\n", prefix);
 167         if (flags & UPKG_OBJ_FLAG_DEBUG_SERIALIZE)
 168                 printf("%sDebugSerialize\n", prefix);
 169         if (flags & UPKG_OBJ_FLAG_DEBUG_DESTROY)
 170                 printf("%sDebugDestroy\n", prefix);
 171 }
 172
 173 void print_guid(unsigned char guid[static 16])
 174 {
 175         for (unsigned i = 0; i < 16; i++) {
 176                 printf("%02hhx", guid[i]);
 177                 if (i == 15)
 178                         putchar('\n');
 179                 else
 180                         putchar(' ');
 181         }
 182 }
 183
 184 void print_upkg_exports(struct upkg *pkg)
 185 {
 186         for (unsigned i = 0; i < pkg->export_count; i++) {
 187                 const struct upkg_export *export = upkg_get_export(pkg, i);
 188                 const char *package, *class;
 189
 190                 class = upkg_export_class(pkg, i, &package);
 191
 192                 if (!class)
 193                         continue;
 194
 195                 printf("%u - %s (%s.%s)\n", i+1, export->name, package, class);
 196                 printf("  Flags: %lx\n", export->flags);
 197                 if (verbose >= 2) {
 198                         print_upkg_object_flags("    ", export->flags);
 199                 }
 200         }
 201 }
 202
 203 int package_info(struct upkg *pkg)
 204 {
 205         printf("Version: %u\n",  pkg->version);
 206         printf("License: %u\n",  pkg->license);
 207         printf("GUID: ");
 208         print_guid(pkg->guid);
 209
 210         printf("Flags:   %lx\n", pkg->flags);
 211         if (verbose >= 2) {
 212                 print_upkg_flags("        ", pkg->flags);
 213         }
 214
 215         printf("Names:   %lu\n", pkg->name_count);
 216         if (verbose >= 3) {
 217                 for (unsigned long i = 0; i < pkg->name_count; i++) {
 218                         printf("%lu - %s\n", i, upkg_get_name(pkg, i));
 219                 }
 220         }
 221
 222         printf("Exports: %lu\n", pkg->export_count);
 223         if (verbose >= 1) print_upkg_exports(pkg);
 224         printf("Imports: %lu\n", pkg->import_count);
 225
 226         return 0;
 227 }
 228
 229 static void export_print_name(struct upkg *upkg, const struct upkg_export *e)
 230 {
 231         if (e) {
 232                 export_print_name(upkg, e->parent);
 233                 printf(".%s", e->name);
 234         }
 235 }
 236
 237 static void
 238 export_print_fullname(GTypeModule *pkg, const struct upkg_export *export)
 239 {
 240         printf("%s", pkg->name);
 241         export_print_name(U_PKG(pkg)->pkg, export);
 242 }
 243
 244 static int package_list(GTypeModule *pkg, long current)
 245 {
 246         struct upkg *upkg = U_PKG(pkg)->pkg;
 247         const struct upkg_export *parent = NULL;
 248
 249         if (current >= 0) {
 250                 parent = upkg_get_export(upkg, current);
 251                 assert(parent != NULL);
 252         }
 253
 254         for (unsigned i = 0; i < upkg->export_count; i++) {
 255                 const struct upkg_export *export = upkg_get_export(upkg, i);
 256
 257                 if (export->parent != parent)
 258                         continue;
 259
 260                 export_print_fullname(pkg, export);
 261
 262                 if (verbose >= 1) {
 263                         const char *class, *package;
 264
 265                         class = upkg_export_class(upkg, i, &package);
 266                         printf(" (%s.%s)", package, class);
 267                 }
 268
 269                 putchar('\n');
 270         }
 271
 272         return 0;
 273 }
 274
 275 static int object_info(GTypeModule *pkg, unsigned long idx)
 276 {
 277         struct upkg *upkg = U_PKG(pkg)->pkg;
 278         const struct upkg_export *export;
 279         const char *class, *package;
 280
 281         export = upkg_get_export(upkg, idx);
 282         export_print_fullname(pkg, export);
 283
 284         class = upkg_export_class(upkg, idx, &package);
 285         printf(" (%s.%s)\n", package, class);
 286
 287         /* Print out object properties. */
 288         if (verbose >= 1) {
 289                 GParamSpec **props;
 290                 GObject *obj;
 291                 unsigned n;
 292
 293                 obj = u_object_new_from_package(pkg, idx);
 294                 if (!obj) {
 295                         fprintf(stderr, "%s: failed to load object.\n",
 296                                         progname);
 297                         return -1;
 298                 }
 299
 300                 props = g_object_class_list_properties(G_OBJECT_GET_CLASS(obj), &n);
 301                 for (unsigned i = 0; i < n; i++) {
 302                         GValue val = {0};
 303                         char *valstr;
 304
 305                         printf("  property %s:", props[i]->name);
 306                         fflush(stdout);
 307
 308                         g_value_init(&val, props[i]->value_type);
 309                         g_object_get_property(obj, props[i]->name, &val);
 310
 311                         if (G_VALUE_HOLDS(&val, U_TYPE_OBJECT)) {
 312                                 UObject *obj = g_value_get_object(&val);
 313
 314                                 if (obj && obj->pkg_name) {
 315                                         printf(" %s", obj->pkg_name);
 316                                 }
 317                         }
 318
 319                         valstr = g_strdup_value_contents(&val);
 320                         printf(" %s\n", valstr);
 321                         g_free(valstr);
 322                 }
 323                 free(props);
 324
 325                 g_object_unref(obj);
 326         }
 327
 328         /* Print raw file info. */
 329         if (verbose >= 3) {
 330                 struct upkg_file *f = upkg_export_open(upkg, idx);
 331                 if (!f) {
 332                         fprintf(stderr, "%s: failed to open export.\n",
 333                                         progname);
 334                         return -1;
 335                 }
 336
 337                 printf("  file size: %lu\n", f->len);
 338                 printf("  file start: %#lx\n", f->base);
 339                 printf("  file end: %#lx\n", f->base + f->len);
 340
 341                 upkg_export_close(f);
 342         }
 343
 344         return 0;
 345 }
 346
 347 static int export(GTypeModule *pkg, GObject *obj, unsigned idx)
 348 {
 349         struct upkg *upkg = U_PKG(pkg)->pkg;
 350         char name[256];
 351         FILE *of;
 352         int rc;
 353
 354         if (U_OBJECT_IS_LOADABLE(obj) && u_object_load(obj) != 0) {
 355                 fprintf(stderr, "%s: failed to load export data.\n", progname);
 356                 return -1;
 357         }
 358
 359         rc = u_object_export_name(obj, name, sizeof name);
 360         if (rc <= 0) {
 361                 /* XXX: We could use a default name here. */
 362                 fprintf(stderr, "%s: failed to determine export filename.\n",
 363                                 progname);
 364                 return -1;
 365         }
 366
 367         printf("exporting ");
 368         export_print_fullname(pkg, upkg_get_export(upkg, idx));
 369         printf(" to %s\n", name);
 370
 371         of = fopen(name, "wb");
 372         if (!of) {
 373                 perror(name);
 374                 return -1;
 375         }
 376
 377         u_object_export(obj, of);
 378
 379         if (fclose(of) != 0) {
 380                 perror(name);
 381                 return -1;
 382         }
 383
 384         if (U_OBJECT_IS_LOADABLE(obj)) {
 385                 u_object_unload(obj);
 386         }
 387
 388         return 0;
 389 }
 390
 391 static int object_export(GTypeModule *pkg, unsigned long idx)
 392 {
 393         GObject *obj;
 394         int ret = -1;
 395
 396         obj = u_object_new_from_package(pkg, idx);
 397         if (!obj) {
 398                 fprintf(stderr, "%s: failed to load object.\n", progname);
 399                 return -1;
 400         }
 401
 402         if (!U_OBJECT_IS_EXPORTABLE(obj)) {
 403                 fprintf(stderr, "%s: object is not exportable.\n", progname);
 404                 goto out;
 405         }
 406
 407         ret = export(pkg, obj, idx);
 408 out:
 409         g_object_unref(obj);
 410         return ret;
 411 }
 412
 413 int package_export(GTypeModule *pkg)
 414 {
 415         struct upkg *upkg = U_PKG(pkg)->pkg;
 416         GObject *obj;
 417         int ret = 0;
 418
 419         for (unsigned i = 0; i < upkg->export_count; i++) {
 420                 obj = u_object_new_from_package(pkg, i);
 421                 if (U_OBJECT_IS_EXPORTABLE(obj) && export(pkg, obj, i) != 0) {
 422                         ret = -1;
 423                 }
 424                 g_object_unref(obj);
 425         }
 426
 427         return ret;
 428 }
 429
 430 static int process_object(int mode, const char *objname)
 431 {
 432         char work[strlen(objname)+1], *p = work, *c;
 433         GTypeModule *pkg;
 434         long current = -1;
 435         int ret = 0;
 436
 437         strcpy(work, objname);
 438
 439         /* First, find and open the actual package. */
 440         c = strchr(p, '.');
 441         if (c) *c = 0;
 442
 443         pkg = u_pkg_open(p);
 444         if (!pkg || !g_type_module_use(pkg)) {
 445                 fprintf(stderr, "%s: %s: failed to open package.\n",
 446                                 progname, work);
 447                 goto out;
 448         }
 449
 450         if (!U_PKG(pkg)->pkg) {
 451                 if (u_pkg_is_native(pkg)) {
 452                         fprintf(stderr, "%s: %s: not a UObject package.\n",
 453                                         progname, work);
 454                 } else {
 455                         fprintf(stderr, "%s: %s: package not found.\n",
 456                                         progname, work);
 457                 }
 458
 459                 goto out_unuse;
 460         }
 461
 462         /* Resolve the hierarchical reference. */
 463         while (c) {
 464                 p = c+1;
 465                 c = strchr(p, '.');
 466                 if (c) *c = 0;
 467
 468                 current = upkg_export_find(U_PKG(pkg)->pkg, current, p);
 469                 if (current == -1) {
 470                         /* We want to print the full name up to this point. */
 471                         strcpy(work, objname);
 472                         if (c) *c = 0;
 473
 474                         fprintf(stderr, "%s: %s: object not found.\n",
 475                                         progname, work);
 476                         goto out_unuse;
 477                 }
 478         }
 479
 480         switch (mode) {
 481         case MODE_INFO:
 482                 if (current < 0)
 483                         ret = package_info(U_PKG(pkg)->pkg);
 484                 else
 485                         ret = object_info(pkg, current);
 486                 break;
 487         case MODE_LIST:
 488                 ret = package_list(pkg, current);
 489                 break;
 490         case MODE_EXPORT:
 491                 if (current < 0)
 492                         ret = package_export(pkg);
 493                 else
 494                         ret = object_export(pkg, current);
 495                 break;
 496         default:
 497                 abort();
 498         }
 499
 500 out_unuse:
 501         g_type_module_unuse(pkg);
 502 out:
 503         return ret;
 504 }
 505
 506 int main(int argc, char **argv)
 507 {
 508         const char *pkgname = NULL;
 509         unsigned mode = MODE_INFO;
 510         int opt, rc;
 511
 512         if (argc > 0) progname = argv[0];
 513
 514         if (u_pkg_vfs_init() != 0)
 515                 return EXIT_FAILURE;
 516         if (u_object_module_init() != 0)
 517                 return EXIT_FAILURE;
 518
 519         while ((opt = getopt_long(argc, argv, sopts, lopts, NULL)) != -1) {
 520                 switch (opt) {
 521                 case 'f':
 522                         pkgname = u_pkg_vfs_add_local(NULL, optarg);
 523                         if (!pkgname) {
 524                                 fprintf(stderr, "failed to add package `%s'.\n", optarg);
 525                                 return EXIT_FAILURE;
 526                         }
 527                         break;
 528                 case 'i':
 529                         mode = MODE_INFO;
 530                         break;
 531                 case 'l':
 532                         mode = MODE_LIST;
 533                         break;
 534                 case 'x':
 535                         mode = MODE_EXPORT;
 536                         break;
 537                 case 'v':
 538                         verbose++;
 539                         break;
 540                 case 'V':
 541                         print_version();
 542                         return EXIT_SUCCESS;
 543                 case 'H':
 544                         print_help();
 545                         return EXIT_SUCCESS;
 546                 default:
 547                         print_usage(stderr);
 548                         return EXIT_FAILURE;
 549                 }
 550         }
 551
 552         if (!pkgname && !argv[optind]) {
 553                 print_usage(stderr);
 554                 return EXIT_FAILURE;
 555         }
 556
 557         rc = EXIT_SUCCESS;
 558         if (argv[optind]) {
 559                 for (int i = optind; i < argc; i++) {
 560                         if (process_object(mode, argv[i]) != 0)
 561                                 rc = EXIT_FAILURE;
 562                 }
 563         } else {
 564                 if (process_object(mode, pkgname) != 0)
 565                         rc = EXIT_FAILURE;
 566         }
 567
 568         u_object_module_exit();
 569         u_pkg_vfs_exit();
 570         return rc;
 571 }