src/upkg.c

   1 /*
   2  *  upkg: tool for manipulating Unreal Tournament packages.
   3  *  Copyright (C) 2009 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 <getopt.h>
  25
  26 #include <glib-object.h>
  27
  28 #include "upkg.h"
  29 #include <uobject/uobject.h>
  30 #include <uobject/exportable.h>
  31 #include <uobject/loadable.h>
  32 #include <uobject/module.h>
  33 #include <uobject/package.h>
  34 #include <uobject/vfs.h>
  35
  36 enum {
  37         MODE_INFO,
  38         MODE_EXPORT,
  39         MODE_MAX
  40 };
  41
  42 int verbose = 0;
  43
  44 static const char *progname = "upkg";
  45 static const char *sopts = "ixvf:VH";
  46 static const struct option lopts[] = {
  47         { "info",     0, NULL, 'i' },
  48         { "export",   0, NULL, 'x' },
  49         { "file",     1, NULL, 'f' },
  50         { "verbose",  0, NULL, 'v' },
  51         { "version",  0, NULL, 'V' },
  52         { "help",     0, NULL, 'H' },
  53         { 0 }
  54 };
  55
  56 void print_version(void)
  57 {
  58         printf("%s\n", PACKAGE_STRING);
  59         puts("\
  60 Copyright (C) 2009 Nick Bowler.\n\
  61 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\n\
  62 This is free software: you are free to change and redistribute it.\n\
  63 There is NO WARRANTY, to the extent permitted by law."
  64         );
  65 }
  66
  67 void print_usage(FILE *f)
  68 {
  69         fprintf(f, "Usage: %s [options] [object ...]\n", progname);
  70 }
  71
  72 void print_help(void)
  73 {
  74         print_usage(stdout);
  75         puts("Detailed help coming soon.  Until then, I'll just list my options.");
  76         for (unsigned i = 0; lopts[i].name; i++) {
  77                 const struct option *o = &lopts[i];
  78                 printf("\t--%s", o->name);
  79
  80                 if (o->has_arg == 1) {
  81                         printf("=val");
  82                 } else if (o->has_arg == 2) {
  83                         printf("[=val]");
  84                 }
  85
  86                 printf(" (-%c)\n", o->val);
  87         }
  88 }
  89
  90 static void print_upkg_flags(const char *prefix, unsigned long flags)
  91 {
  92         if (flags & UPKG_FLAG_ALLOW_DOWNLOAD)
  93                 printf("%sAllowDownload\n", prefix);
  94         if (flags & UPKG_FLAG_CLIENT_OPTIONAL)
  95                 printf("%sClientOptional\n", prefix);
  96         if (flags & UPKG_FLAG_SERVER_ONLY)
  97                 printf("%sServerOnly\n", prefix);
  98         if (flags & UPKG_FLAG_BROKEN_LINKS)
  99                 printf("%sBrokenLinks\n", prefix);
 100         if (flags & UPKG_FLAG_INSECURE)
 101                 printf("%sInsecure\n", prefix);
 102         if (flags & UPKG_FLAG_REQUIRED)
 103                 printf("%sRequired\n", prefix);
 104 }
 105
 106 static void print_upkg_object_flags(const char *prefix, unsigned long flags)
 107 {
 108         if (flags & UPKG_OBJ_FLAG_TRANSACTIONAL)
 109                 printf("%sTransactional\n", prefix);
 110         if (flags & UPKG_OBJ_FLAG_UNREACHABLE)
 111                 printf("%sUnreachable\n", prefix);
 112         if (flags & UPKG_OBJ_FLAG_PUBLIC)
 113                 printf("%sPublic\n", prefix);
 114         if (flags & UPKG_OBJ_FLAG_TAG_IMPORT)
 115                 printf("%sImport\n", prefix);
 116         if (flags & UPKG_OBJ_FLAG_TAG_EXPORT)
 117                 printf("%sTagExport\n", prefix);
 118         if (flags & UPKG_OBJ_FLAG_SOURCE_MODIFIED)
 119                 printf("%sSourceModified\n", prefix);
 120         if (flags & UPKG_OBJ_FLAG_TAG_GARBAGE)
 121                 printf("%sTagGarbage\n", prefix);
 122         if (flags & UPKG_OBJ_FLAG_NEED_LOAD)
 123                 printf("%sNeedLoad\n", prefix);
 124         if (flags & UPKG_OBJ_FLAG_HIGHLIGHT_NAME)
 125                 printf("%sHighlightName\n", prefix);
 126         if (flags & UPKG_OBJ_FLAG_IN_SINGULAR_FUNC)
 127                 printf("%sInSingularFunc\n", prefix);
 128         if (flags & UPKG_OBJ_FLAG_SUPPRESSED)
 129                 printf("%sSuppressed\n", prefix);
 130         if (flags & UPKG_OBJ_FLAG_IN_END_STATE)
 131                 printf("%sInEndState\n", prefix);
 132         if (flags & UPKG_OBJ_FLAG_TRANSIENT)
 133                 printf("%sTransient\n", prefix);
 134         if (flags & UPKG_OBJ_FLAG_PRELOADING)
 135                 printf("%sPreloading\n", prefix);
 136         if (flags & UPKG_OBJ_FLAG_LOAD_FOR_CLIENT)
 137                 printf("%sLoadForClient\n", prefix);
 138         if (flags & UPKG_OBJ_FLAG_LOAD_FOR_SERVER)
 139                 printf("%sLoadForServer\n", prefix);
 140         if (flags & UPKG_OBJ_FLAG_LOAD_FOR_EDIT)
 141                 printf("%sLoadForEdit\n", prefix);
 142         if (flags & UPKG_OBJ_FLAG_STANDALONE)
 143                 printf("%sStandalone\n", prefix);
 144         if (flags & UPKG_OBJ_FLAG_NOT_FOR_CLIENT)
 145                 printf("%sNotForClient\n", prefix);
 146         if (flags & UPKG_OBJ_FLAG_NOT_FOR_SERVER)
 147                 printf("%sNotForServer\n", prefix);
 148         if (flags & UPKG_OBJ_FLAG_NOT_FOR_EDIT)
 149                 printf("%sNotForEdit\n", prefix);
 150         if (flags & UPKG_OBJ_FLAG_DESTROYED)
 151                 printf("%sDestroyed\n", prefix);
 152         if (flags & UPKG_OBJ_FLAG_NEED_POST_LOAD)
 153                 printf("%sNeedPostLoad\n", prefix);
 154         if (flags & UPKG_OBJ_FLAG_HAS_STACK)
 155                 printf("%sHasStack\n", prefix);
 156         if (flags & UPKG_OBJ_FLAG_NATIVE)
 157                 printf("%sNative\n", prefix);
 158         if (flags & UPKG_OBJ_FLAG_MARKED)
 159                 printf("%sMarked\n", prefix);
 160         if (flags & UPKG_OBJ_FLAG_ERROR_SHUTDOWN)
 161                 printf("%sErrorShutdown\n", prefix);
 162         if (flags & UPKG_OBJ_FLAG_DEBUG_POST_LOAD)
 163                 printf("%sDebugPostLoad\n", prefix);
 164         if (flags & UPKG_OBJ_FLAG_DEBUG_SERIALIZE)
 165                 printf("%sDebugSerialize\n", prefix);
 166         if (flags & UPKG_OBJ_FLAG_DEBUG_DESTROY)
 167                 printf("%sDebugDestroy\n", prefix);
 168 }
 169
 170 void print_guid(unsigned char guid[static 16])
 171 {
 172         for (unsigned i = 0; i < 16; i++) {
 173                 printf("%02hhx", guid[i]);
 174                 if (i == 15)
 175                         putchar('\n');
 176                 else
 177                         putchar(' ');
 178         }
 179 }
 180
 181 void print_upkg_exports(struct upkg *pkg)
 182 {
 183         for (unsigned i = 0; i < pkg->export_count; i++) {
 184                 const struct upkg_export *export = upkg_get_export(pkg, i);
 185                 const char *package, *class;
 186
 187                 class = upkg_export_class(pkg, i, &package);
 188
 189                 if (!class)
 190                         continue;
 191
 192                 printf("%u - %s (%s.%s)\n", i+1, export->name, package, class);
 193                 printf("  Flags: %lx\n", export->flags);
 194                 if (verbose >= 2) {
 195                         print_upkg_object_flags("    ", export->flags);
 196                 }
 197         }
 198 }
 199
 200 int package_info(struct upkg *pkg)
 201 {
 202         printf("Version: %u\n",  pkg->version);
 203         printf("License: %u\n",  pkg->license);
 204         printf("GUID: ");
 205         print_guid(pkg->guid);
 206
 207         printf("Flags:   %lx\n", pkg->flags);
 208         if (verbose >= 2) {
 209                 print_upkg_flags("        ", pkg->flags);
 210         }
 211
 212         printf("Names:   %lu\n", pkg->name_count);
 213         if (verbose >= 3) {
 214                 for (unsigned long i = 0; i < pkg->name_count; i++) {
 215                         printf("\t%s\n", upkg_get_name(pkg, i));
 216                 }
 217         }
 218
 219         printf("Exports: %lu\n", pkg->export_count);
 220         if (verbose >= 1) print_upkg_exports(pkg);
 221         printf("Imports: %lu\n", pkg->import_count);
 222
 223         return 0;
 224 }
 225
 226 static int export(struct upkg *pkg, GObject *obj, unsigned idx)
 227 {
 228         const struct upkg_export *export = upkg_get_export(pkg, idx);
 229         char name[256];
 230         FILE *of;
 231
 232         if (u_object_deserialize(obj, pkg, idx) != 0) {
 233                 return -1;
 234         }
 235
 236         if (U_OBJECT_IS_LOADABLE(obj) && u_object_load(obj) != 0) {
 237                 return -1;
 238         }
 239
 240         u_object_export_name(obj, name, sizeof name);
 241
 242         printf("exporting %s to %s\n", export->name, name);
 243         of = fopen(name, "wb");
 244         if (!of) {
 245                 perror(name);
 246                 return -1;
 247         }
 248
 249         u_object_export(obj, of);
 250
 251         if (fclose(of) != 0) {
 252                 perror(name);
 253                 return -1;
 254         }
 255
 256         if (U_OBJECT_IS_LOADABLE(obj)) {
 257                 u_object_unload(obj);
 258         }
 259
 260         return 0;
 261 }
 262
 263 int package_export(struct upkg *pkg)
 264 {
 265         const char *class, *package;
 266         GObject *obj;
 267         GType type;
 268         int ret = 0;
 269
 270         for (unsigned i = 0; i < pkg->export_count; i++) {
 271                 class = upkg_export_class(pkg, i, &package);
 272                 if (!class) {
 273                         fprintf(stderr, "error getting class information.\n");
 274                         return -1;
 275                 }
 276
 277                 type = u_object_module_get_class(package, class);
 278                 if (!type) continue;
 279
 280                 obj = g_object_new(type, NULL);
 281                 if (U_OBJECT_IS_EXPORTABLE(obj)) {
 282                         if (export(pkg, obj, i) != 0) {
 283                                 ret = -1;
 284                         }
 285                 }
 286                 g_object_unref(obj);
 287         }
 288
 289         return ret;
 290 }
 291
 292 static int process_object(int mode, const char *objname)
 293 {
 294         char work[strlen(objname)+1], *p = work, *c;
 295         GTypeModule *pkg;
 296         long current = -1;
 297         int ret = 0;
 298
 299         strcpy(work, objname);
 300
 301         /* First, find and open the actual package. */
 302         c = strchr(p, '.');
 303         if (c) *c = 0;
 304
 305         pkg = u_pkg_open(p);
 306         if (!pkg || !g_type_module_use(pkg)) {
 307                 fprintf(stderr, "%s: %s: failed to open package.\n",
 308                                 progname, work);
 309                 goto out;
 310         }
 311
 312         if (!U_PKG(pkg)->pkg) {
 313                 if (u_pkg_is_native(pkg)) {
 314                         fprintf(stderr, "%s: %s: not a UObject package.\n",
 315                                         progname, work);
 316                 } else {
 317                         fprintf(stderr, "%s: %s: package not found.\n",
 318                                         progname, work);
 319                 }
 320
 321                 goto out_unuse;
 322         }
 323
 324         /* Resolve the hierarchical reference. */
 325         while (c) {
 326                 p = c+1;
 327                 c = strchr(p, '.');
 328                 if (c) *c = 0;
 329
 330                 current = upkg_export_find(U_PKG(pkg)->pkg, current, p);
 331                 if (current == -1) {
 332                         /* We want to print the full name up to this point. */
 333                         strcpy(work, objname);
 334                         if (c) *c = 0;
 335
 336                         fprintf(stderr, "%s: %s: object not found.\n",
 337                                         progname, work);
 338                         goto out_unuse;
 339                 }
 340         }
 341
 342         switch (mode) {
 343         case MODE_INFO:
 344                 ret = package_info(U_PKG(pkg)->pkg);
 345                 break;
 346         case MODE_EXPORT:
 347                 ret = package_export(U_PKG(pkg)->pkg);
 348                 break;
 349         default:
 350                 abort();
 351         }
 352
 353 out_unuse:
 354         g_type_module_unuse(pkg);
 355 out:
 356         return ret;
 357 }
 358
 359 int main(int argc, char **argv)
 360 {
 361         const char *pkgname = NULL;
 362         unsigned mode = MODE_INFO;
 363         int opt, rc;
 364
 365         if (argc > 0) progname = argv[0];
 366
 367         if (u_pkg_vfs_init() != 0)
 368                 return EXIT_FAILURE;
 369         if (u_object_module_init() != 0)
 370                 return EXIT_FAILURE;
 371
 372         while ((opt = getopt_long(argc, argv, sopts, lopts, NULL)) != -1) {
 373                 switch (opt) {
 374                 case 'f':
 375                         pkgname = u_pkg_vfs_add_local(NULL, optarg);
 376                         if (!pkgname) {
 377                                 fprintf(stderr, "failed to add package `%s'.\n", optarg);
 378                                 return EXIT_FAILURE;
 379                         }
 380                         break;
 381                 case 'i':
 382                         mode = MODE_INFO;
 383                         break;
 384                 case 'x':
 385                         mode = MODE_EXPORT;
 386                         break;
 387                 case 'v':
 388                         verbose++;
 389                         break;
 390                 case 'V':
 391                         print_version();
 392                         return EXIT_SUCCESS;
 393                 case 'H':
 394                         print_help();
 395                         return EXIT_SUCCESS;
 396                 default:
 397                         print_usage(stderr);
 398                         return EXIT_FAILURE;
 399                 }
 400         }
 401
 402         if (!pkgname && !argv[optind]) {
 403                 print_usage(stderr);
 404                 return EXIT_FAILURE;
 405         }
 406
 407         rc = EXIT_SUCCESS;
 408         if (argv[optind]) {
 409                 for (int i = optind; i < argc; i++) {
 410                         if (process_object(mode, argv[i]) != 0)
 411                                 rc = EXIT_FAILURE;
 412                 }
 413         } else {
 414                 if (process_object(mode, pkgname) != 0)
 415                         rc = EXIT_FAILURE;
 416         }
 417
 418         u_object_module_exit();
 419         u_pkg_vfs_exit();
 420         return rc;
 421 }