Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 1 | /* Copyright 1997-2002,2005-2009 Alain Knaff. |
| 2 | * This file is part of mtools. |
| 3 | * |
| 4 | * Mtools is free software: you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation, either version 3 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * Mtools is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with Mtools. If not, see <http://www.gnu.org/licenses/>. |
| 16 | * |
| 17 | * mainloop.c |
| 18 | * Iterating over all the command line parameters, and matching patterns |
| 19 | * where needed |
| 20 | */ |
| 21 | |
| 22 | #include "sysincludes.h" |
| 23 | #include "msdos.h" |
| 24 | #include "mtools.h" |
| 25 | #include "vfat.h" |
| 26 | #include "fs.h" |
| 27 | #include "mainloop.h" |
| 28 | #include "plain_io.h" |
| 29 | #include "file.h" |
| 30 | #include "file_name.h" |
| 31 | |
| 32 | |
| 33 | /* Fix the info in the MCWD file to be a proper directory name. |
| 34 | * Always has a leading separator. Never has a trailing separator |
| 35 | * (unless it is the path itself). */ |
| 36 | |
| 37 | static const char *fix_mcwd(char *ans) |
| 38 | { |
| 39 | FILE *fp; |
| 40 | char *s; |
| 41 | char buf[MAX_PATH]; |
| 42 | |
| 43 | fp = open_mcwd("r"); |
| 44 | if(!fp || !fgets(buf, MAX_PATH, fp)) { |
| 45 | if(fp) |
| 46 | fclose(fp); |
| 47 | ans[0] = get_default_drive(); |
| 48 | strcpy(ans+1, ":/"); |
| 49 | return ans; |
| 50 | } |
| 51 | |
| 52 | buf[strlen(buf) -1] = '\0'; |
| 53 | fclose(fp); |
| 54 | /* drive letter present? */ |
| 55 | s = buf; |
| 56 | if (buf[0] && buf[1] == ':') { |
| 57 | memcpy(ans, buf, 2); |
| 58 | ans[2] = '\0'; |
| 59 | s = &buf[2]; |
| 60 | } else { |
| 61 | ans[0] = get_default_drive(); |
| 62 | strcpy(ans+1, ":"); |
| 63 | } |
| 64 | /* add a leading separator */ |
| 65 | if (*s != '/' && *s != '\\') { |
| 66 | strcat(ans, "/"); |
| 67 | strcat(ans, s); |
| 68 | } else |
| 69 | strcat(ans, s); |
| 70 | |
| 71 | #if 0 |
| 72 | /* translate to upper case */ |
| 73 | for (s = ans; *s; ++s) { |
| 74 | *s = ch_toupper(*s); |
| 75 | if (*s == '\\') |
| 76 | *s = '/'; |
| 77 | } |
| 78 | #endif |
| 79 | /* if only drive, colon, & separator */ |
| 80 | if (strlen(ans) == 3) |
| 81 | return(ans); |
| 82 | /* zap the trailing separator */ |
| 83 | if (*--s == '/') |
| 84 | *s = '\0'; |
| 85 | return ans; |
| 86 | } |
| 87 | |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 88 | int unix_dir_loop(Stream_t *Stream, MainParam_t *mp); |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 89 | int unix_loop(Stream_t *Stream UNUSEDP, MainParam_t *mp, char *arg, |
| 90 | int follow_dir_link); |
| 91 | |
| 92 | static int _unix_loop(Stream_t *Dir, MainParam_t *mp, |
| 93 | const char *filename UNUSEDP) |
| 94 | { |
| 95 | return unix_dir_loop(Dir, mp); |
| 96 | } |
| 97 | |
| 98 | int unix_loop(Stream_t *Stream UNUSEDP, MainParam_t *mp, |
| 99 | char *arg, int follow_dir_link) |
| 100 | { |
| 101 | int ret; |
| 102 | int isdir=0; |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 103 | size_t unixNameLength; |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 104 | |
| 105 | mp->File = NULL; |
| 106 | mp->direntry = NULL; |
| 107 | unixNameLength = strlen(arg); |
| 108 | if(unixNameLength > 1 && arg[unixNameLength-1] == '/') { |
| 109 | /* names ending in slash, and having at least two characters */ |
| 110 | char *name = strdup(arg); |
| 111 | name[unixNameLength-1]='\0'; |
| 112 | mp->unixSourceName = name; |
| 113 | } else { |
| 114 | mp->unixSourceName = arg; |
| 115 | } |
| 116 | /* mp->dir.attr = ATTR_ARCHIVE;*/ |
| 117 | mp->loop = _unix_loop; |
| 118 | if((mp->lookupflags & DO_OPEN)){ |
| 119 | mp->File = SimpleFileOpen(0, 0, arg, O_RDONLY, 0, 0, 0, 0); |
| 120 | if(!mp->File){ |
| 121 | perror(arg); |
| 122 | #if 0 |
| 123 | tmp = _basename(arg); |
| 124 | strncpy(mp->filename, tmp, VBUFSIZE); |
| 125 | mp->filename[VBUFSIZE-1] = '\0'; |
| 126 | #endif |
| 127 | return ERROR_ONE; |
| 128 | } |
| 129 | GET_DATA(mp->File, 0, 0, &isdir, 0); |
| 130 | if(isdir) { |
| 131 | #if !defined(__EMX__) && !defined(OS_mingw32msvc) |
| 132 | struct MT_STAT buf; |
| 133 | #endif |
| 134 | |
| 135 | FREE(&mp->File); |
| 136 | #if !defined(__EMX__) && !defined(OS_mingw32msvc) |
| 137 | if(!follow_dir_link && |
| 138 | MT_LSTAT(arg, &buf) == 0 && |
| 139 | S_ISLNK(buf.st_mode)) { |
| 140 | /* skip links to directories in order to avoid |
| 141 | * infinite loops */ |
| 142 | fprintf(stderr, |
| 143 | "skipping directory symlink %s\n", |
| 144 | arg); |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 145 | return 0; |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 146 | } |
| 147 | #endif |
| 148 | if(! (mp->lookupflags & ACCEPT_DIR)) |
| 149 | return 0; |
| 150 | mp->File = OpenDir(arg); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | if(isdir) |
| 155 | ret = mp->dirCallback(0, mp); |
| 156 | else |
| 157 | ret = mp->unixcallback(mp); |
| 158 | FREE(&mp->File); |
| 159 | return ret; |
| 160 | } |
| 161 | |
| 162 | |
| 163 | int isSpecial(const char *name) |
| 164 | { |
| 165 | if(name[0] == '\0') |
| 166 | return 1; |
| 167 | if(!strcmp(name,".")) |
| 168 | return 1; |
| 169 | if(!strcmp(name,"..")) |
| 170 | return 1; |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 171 | return 0; |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 172 | } |
| 173 | |
| 174 | #ifdef HAVE_WCHAR_H |
| 175 | int isSpecialW(const wchar_t *name) |
| 176 | { |
| 177 | if(name[0] == '\0') |
| 178 | return 1; |
| 179 | if(!wcscmp(name,L".")) |
| 180 | return 1; |
| 181 | if(!wcscmp(name,L"..")) |
| 182 | return 1; |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 183 | return 0; |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 184 | } |
| 185 | #endif |
| 186 | |
| 187 | static int checkForDot(int lookupflags, const wchar_t *name) |
| 188 | { |
| 189 | return (lookupflags & NO_DOTS) && isSpecialW(name); |
| 190 | } |
| 191 | |
| 192 | |
| 193 | typedef struct lookupState_t { |
| 194 | Stream_t *container; |
| 195 | int nbContainers; |
| 196 | Stream_t *Dir; |
| 197 | int nbDirs; |
| 198 | const char *filename; |
| 199 | } lookupState_t; |
| 200 | |
| 201 | static int isUniqueTarget(const char *name) |
| 202 | { |
| 203 | return name && strcmp(name, "-"); |
| 204 | } |
| 205 | |
| 206 | static int handle_leaf(direntry_t *direntry, MainParam_t *mp, |
| 207 | lookupState_t *lookupState) |
| 208 | { |
| 209 | Stream_t *MyFile=0; |
| 210 | int ret; |
| 211 | |
| 212 | if(got_signal) |
| 213 | return ERROR_ONE; |
| 214 | if(lookupState) { |
| 215 | /* we are looking for a "target" file */ |
| 216 | switch(lookupState->nbDirs) { |
| 217 | case 0: /* no directory yet, open it */ |
| 218 | lookupState->Dir = OpenFileByDirentry(direntry); |
| 219 | lookupState->nbDirs++; |
| 220 | /* dump the container, we have |
| 221 | * better now */ |
| 222 | FREE(&lookupState->container); |
| 223 | return 0; |
| 224 | case 1: /* we have already a directory */ |
| 225 | FREE(&lookupState->Dir); |
| 226 | fprintf(stderr,"Ambiguous\n"); |
| 227 | return STOP_NOW | ERROR_ONE; |
| 228 | default: |
| 229 | return STOP_NOW | ERROR_ONE; |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | mp->direntry = direntry; |
| 234 | if(IS_DIR(direntry)) { |
| 235 | if(mp->lookupflags & (DO_OPEN | DO_OPEN_DIRS)) |
| 236 | MyFile = mp->File = OpenFileByDirentry(direntry); |
| 237 | ret = mp->dirCallback(direntry, mp); |
| 238 | } else { |
| 239 | if(mp->lookupflags & DO_OPEN) |
| 240 | MyFile = mp->File = OpenFileByDirentry(direntry); |
| 241 | ret = mp->callback(direntry, mp); |
| 242 | } |
| 243 | FREE(&MyFile); |
| 244 | if(isUniqueTarget(mp->targetName)) |
| 245 | ret |= STOP_NOW; |
| 246 | return ret; |
| 247 | } |
| 248 | |
| 249 | static int _dos_loop(Stream_t *Dir, MainParam_t *mp, const char *filename) |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 250 | { |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 251 | Stream_t *MyFile=0; |
| 252 | direntry_t entry; |
| 253 | int ret; |
| 254 | int r; |
| 255 | |
| 256 | ret = 0; |
| 257 | r=0; |
| 258 | initializeDirentry(&entry, Dir); |
| 259 | while(!got_signal && |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 260 | (r=vfat_lookup_zt(&entry, filename, |
| 261 | mp->lookupflags, |
| 262 | mp->shortname.data, mp->shortname.len, |
| 263 | mp->longname.data, mp->longname.len)) == 0 ){ |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 264 | mp->File = NULL; |
| 265 | if(!checkForDot(mp->lookupflags,entry.name)) { |
| 266 | MyFile = 0; |
| 267 | if((mp->lookupflags & DO_OPEN) || |
| 268 | (IS_DIR(&entry) && |
| 269 | (mp->lookupflags & DO_OPEN_DIRS))) { |
| 270 | MyFile = mp->File = OpenFileByDirentry(&entry); |
| 271 | } |
| 272 | if(got_signal) |
| 273 | break; |
| 274 | mp->direntry = &entry; |
| 275 | if(IS_DIR(&entry)) |
| 276 | ret |= mp->dirCallback(&entry,mp); |
| 277 | else |
| 278 | ret |= mp->callback(&entry, mp); |
| 279 | FREE(&MyFile); |
| 280 | } |
| 281 | if (fat_error(Dir)) |
| 282 | ret |= ERROR_ONE; |
| 283 | if(mp->fast_quit && (ret & ERROR_ONE)) |
| 284 | break; |
| 285 | } |
| 286 | if (r == -2) |
| 287 | return ERROR_ONE; |
| 288 | if(got_signal) |
| 289 | ret |= ERROR_ONE; |
| 290 | return ret; |
| 291 | } |
| 292 | |
| 293 | static int recurs_dos_loop(MainParam_t *mp, const char *filename0, |
| 294 | const char *filename1, |
| 295 | lookupState_t *lookupState) |
| 296 | { |
| 297 | /* Dir is de-allocated by the same entity which allocated it */ |
| 298 | const char *ptr; |
| 299 | direntry_t entry; |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 300 | size_t length; |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 301 | int lookupflags; |
| 302 | int ret; |
| 303 | int have_one; |
| 304 | int doing_mcwd; |
| 305 | int r; |
| 306 | |
| 307 | while(1) { |
| 308 | /* strip dots and / */ |
| 309 | if(!strncmp(filename0,"./", 2)) { |
| 310 | filename0 += 2; |
| 311 | continue; |
| 312 | } |
| 313 | if(!strcmp(filename0,".") && filename1) { |
| 314 | filename0 ++; |
| 315 | continue; |
| 316 | } |
| 317 | if(filename0[0] == '/') { |
| 318 | filename0++; |
| 319 | continue; |
| 320 | } |
| 321 | if(!filename0[0]) { |
| 322 | if(!filename1) |
| 323 | break; |
| 324 | filename0 = filename1; |
| 325 | filename1 = 0; |
| 326 | continue; |
| 327 | } |
| 328 | break; |
| 329 | } |
| 330 | |
| 331 | if(!strncmp(filename0,"../", 3) || |
| 332 | (!strcmp(filename0, "..") && filename1)) { |
| 333 | /* up one level */ |
| 334 | mp->File = getDirentry(mp->File)->Dir; |
| 335 | return recurs_dos_loop(mp, filename0+2, filename1, lookupState); |
| 336 | } |
| 337 | |
| 338 | doing_mcwd = !!filename1; |
| 339 | |
| 340 | ptr = strchr(filename0, '/'); |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 341 | if(!ptr) { |
| 342 | length = strlen(filename0); |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 343 | ptr = filename1; |
| 344 | filename1 = 0; |
| 345 | } else { |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 346 | length = ptrdiff(ptr, filename0); |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 347 | ptr++; |
| 348 | } |
| 349 | if(!ptr) { |
| 350 | if(mp->lookupflags & OPEN_PARENT) { |
| 351 | mp->targetName = filename0; |
| 352 | ret = handle_leaf(getDirentry(mp->File), mp, |
| 353 | lookupState); |
| 354 | mp->targetName = 0; |
| 355 | return ret; |
| 356 | } |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 357 | |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 358 | if(!strcmp(filename0, ".") || !filename0[0]) { |
| 359 | return handle_leaf(getDirentry(mp->File), |
| 360 | mp, lookupState); |
| 361 | } |
| 362 | |
| 363 | if(!strcmp(filename0, "..")) { |
| 364 | return handle_leaf(getParent(getDirentry(mp->File)), mp, |
| 365 | lookupState); |
| 366 | } |
| 367 | |
| 368 | lookupflags = mp->lookupflags; |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 369 | |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 370 | if(lookupState) { |
| 371 | lookupState->filename = filename0; |
| 372 | if(lookupState->nbContainers + lookupState->nbDirs > 0){ |
| 373 | /* we have already one target, don't bother |
| 374 | * with this one. */ |
| 375 | FREE(&lookupState->container); |
| 376 | } else { |
| 377 | /* no match yet. Remember this container for |
| 378 | * later use */ |
| 379 | lookupState->container = COPY(mp->File); |
| 380 | } |
| 381 | lookupState->nbContainers++; |
| 382 | } |
| 383 | } else |
| 384 | lookupflags = ACCEPT_DIR | DO_OPEN | NO_DOTS; |
| 385 | |
| 386 | ret = 0; |
| 387 | r = 0; |
| 388 | have_one = 0; |
| 389 | initializeDirentry(&entry, mp->File); |
| 390 | while(!(ret & STOP_NOW) && |
| 391 | !got_signal && |
| 392 | (r=vfat_lookup(&entry, filename0, length, |
| 393 | lookupflags | NO_MSG, |
| 394 | mp->shortname.data, mp->shortname.len, |
| 395 | mp->longname.data, mp->longname.len)) == 0 ){ |
| 396 | if(checkForDot(lookupflags, entry.name)) |
| 397 | /* while following the path, ignore the |
| 398 | * special entries if they were not |
| 399 | * explicitly given */ |
| 400 | continue; |
| 401 | have_one = 1; |
| 402 | if(ptr) { |
| 403 | Stream_t *SubDir; |
| 404 | SubDir = mp->File = OpenFileByDirentry(&entry); |
| 405 | ret |= recurs_dos_loop(mp, ptr, filename1, lookupState); |
| 406 | FREE(&SubDir); |
| 407 | } else { |
| 408 | ret |= handle_leaf(&entry, mp, lookupState); |
| 409 | if(isUniqueTarget(mp->targetName)) |
| 410 | return ret | STOP_NOW; |
| 411 | } |
| 412 | if(doing_mcwd) |
| 413 | break; |
| 414 | } |
| 415 | if (r == -2) |
| 416 | return ERROR_ONE; |
| 417 | if(got_signal) |
| 418 | return ret | ERROR_ONE; |
| 419 | if(doing_mcwd && !have_one) |
| 420 | return NO_CWD; |
| 421 | return ret; |
| 422 | } |
| 423 | |
| 424 | static int common_dos_loop(MainParam_t *mp, const char *pathname, |
| 425 | lookupState_t *lookupState, int open_mode) |
| 426 | |
| 427 | { |
| 428 | Stream_t *RootDir; |
| 429 | const char *cwd; |
| 430 | char drive; |
| 431 | |
| 432 | int ret; |
| 433 | mp->loop = _dos_loop; |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 434 | |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 435 | drive='\0'; |
| 436 | cwd = ""; |
| 437 | if(*pathname && pathname[1] == ':') { |
| 438 | drive = ch_toupper(*pathname); |
| 439 | pathname += 2; |
| 440 | if(mp->mcwd[0] == drive) |
| 441 | cwd = mp->mcwd+2; |
| 442 | } else if(mp->mcwd[0]) { |
| 443 | drive = mp->mcwd[0]; |
| 444 | cwd = mp->mcwd+2; |
| 445 | } else { |
| 446 | drive = get_default_drive(); |
| 447 | } |
| 448 | |
| 449 | if(*pathname=='/') /* absolute path name */ |
| 450 | cwd = ""; |
| 451 | |
| 452 | RootDir = mp->File = open_root_dir(drive, open_mode, NULL); |
| 453 | if(!mp->File) |
| 454 | return ERROR_ONE; |
| 455 | |
| 456 | ret = recurs_dos_loop(mp, cwd, pathname, lookupState); |
| 457 | if(ret & NO_CWD) { |
| 458 | /* no CWD */ |
| 459 | *mp->mcwd = '\0'; |
| 460 | unlink_mcwd(); |
| 461 | ret = recurs_dos_loop(mp, "", pathname, lookupState); |
| 462 | } |
| 463 | FREE(&RootDir); |
| 464 | return ret; |
| 465 | } |
| 466 | |
| 467 | static int dos_loop(MainParam_t *mp, const char *arg) |
| 468 | { |
| 469 | return common_dos_loop(mp, arg, 0, mp->openflags); |
| 470 | } |
| 471 | |
| 472 | |
| 473 | static int dos_target_lookup(MainParam_t *mp, const char *arg) |
| 474 | { |
| 475 | lookupState_t lookupState; |
| 476 | int ret; |
| 477 | int lookupflags; |
| 478 | |
| 479 | lookupState.nbDirs = 0; |
| 480 | lookupState.Dir = 0; |
| 481 | lookupState.nbContainers = 0; |
| 482 | lookupState.container = 0; |
| 483 | |
| 484 | lookupflags = mp->lookupflags; |
| 485 | mp->lookupflags = DO_OPEN | ACCEPT_DIR; |
| 486 | ret = common_dos_loop(mp, arg, &lookupState, O_RDWR); |
| 487 | mp->lookupflags = lookupflags; |
| 488 | if(ret & ERROR_ONE) |
| 489 | return ret; |
| 490 | |
| 491 | if(lookupState.nbDirs) { |
| 492 | mp->targetName = 0; |
| 493 | mp->targetDir = lookupState.Dir; |
| 494 | FREE(&lookupState.container); /* container no longer needed */ |
| 495 | return ret; |
| 496 | } |
| 497 | |
| 498 | switch(lookupState.nbContainers) { |
| 499 | case 0: |
| 500 | /* no match */ |
| 501 | fprintf(stderr,"%s: no match for target\n", arg); |
| 502 | return MISSED_ONE; |
| 503 | case 1: |
| 504 | mp->targetName = strdup(lookupState.filename); |
| 505 | mp->targetDir = lookupState.container; |
| 506 | return ret; |
| 507 | default: |
| 508 | /* too much */ |
| 509 | fprintf(stderr, "Ambiguous %s\n", arg); |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 510 | return ERROR_ONE; |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 511 | } |
| 512 | } |
| 513 | |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 514 | /* |
| 515 | * Is target a Unix directory |
| 516 | * -1 error occured |
| 517 | * 0 regular file |
| 518 | * 1 directory |
| 519 | */ |
| 520 | static int unix_is_dir(const char *name) |
| 521 | { |
| 522 | struct stat buf; |
| 523 | if(stat(name, &buf) < 0) |
| 524 | return -1; |
| 525 | else |
| 526 | return 1 && S_ISDIR(buf.st_mode); |
| 527 | } |
| 528 | |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 529 | static int unix_target_lookup(MainParam_t *mp, const char *arg) |
| 530 | { |
| 531 | char *ptr; |
| 532 | mp->unixTarget = strdup(arg); |
| 533 | /* try complete filename */ |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 534 | if(access(mp->unixTarget, F_OK) == 0) { |
| 535 | switch(unix_is_dir(mp->unixTarget)) { |
| 536 | case -1: |
| 537 | return ERROR_ONE; |
| 538 | case 0: |
| 539 | mp->targetName=""; |
| 540 | break; |
| 541 | } |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 542 | return GOT_ONE; |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 543 | } |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 544 | ptr = strrchr(mp->unixTarget, '/'); |
| 545 | if(!ptr) { |
| 546 | mp->targetName = mp->unixTarget; |
| 547 | mp->unixTarget = strdup("."); |
| 548 | return GOT_ONE; |
| 549 | } else { |
| 550 | *ptr = '\0'; |
| 551 | mp->targetName = ptr+1; |
| 552 | return GOT_ONE; |
| 553 | } |
| 554 | } |
| 555 | |
| 556 | int target_lookup(MainParam_t *mp, const char *arg) |
| 557 | { |
| 558 | if((mp->lookupflags & NO_UNIX) || (arg[0] && arg[1] == ':' )) |
| 559 | return dos_target_lookup(mp, arg); |
| 560 | else |
| 561 | return unix_target_lookup(mp, arg); |
| 562 | } |
| 563 | |
| 564 | int main_loop(MainParam_t *mp, char **argv, int argc) |
| 565 | { |
| 566 | int i; |
| 567 | int ret, Bret; |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 568 | |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 569 | Bret = 0; |
| 570 | |
| 571 | if(argc != 1 && mp->targetName) { |
| 572 | fprintf(stderr, |
| 573 | "Several file names given, but last argument (%s) not a directory\n", mp->targetName); |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 574 | FREE(&mp->targetDir); |
| 575 | return 1; |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 576 | } |
| 577 | |
| 578 | for (i = 0; i < argc; i++) { |
| 579 | if ( got_signal ) |
| 580 | break; |
| 581 | mp->originalArg = argv[i]; |
| 582 | mp->basenameHasWildcard = strpbrk(_basename(mp->originalArg), |
| 583 | "*[?") != 0; |
| 584 | if (mp->unixcallback && (!argv[i][0] |
| 585 | #ifdef OS_mingw32msvc |
| 586 | /* On Windows, support only the command-line image drive. */ |
| 587 | || argv[i][0] != ':' |
| 588 | #endif |
| 589 | || argv[i][1] != ':' )) |
| 590 | ret = unix_loop(0, mp, argv[i], 1); |
| 591 | else |
| 592 | ret = dos_loop(mp, argv[i]); |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 593 | |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 594 | if (! (ret & (GOT_ONE | ERROR_ONE)) ) { |
| 595 | /* one argument was unmatched */ |
| 596 | fprintf(stderr, "%s: File \"%s\" not found\n", |
| 597 | progname, argv[i]); |
| 598 | ret |= ERROR_ONE; |
| 599 | } |
| 600 | Bret |= ret; |
| 601 | if(mp->fast_quit && (Bret & (MISSED_ONE | ERROR_ONE))) |
| 602 | break; |
| 603 | } |
| 604 | FREE(&mp->targetDir); |
| 605 | if(Bret & ERROR_ONE) |
| 606 | return 1; |
| 607 | if ((Bret & GOT_ONE) && ( Bret & MISSED_ONE)) |
| 608 | return 2; |
| 609 | if (Bret & MISSED_ONE) |
| 610 | return 1; |
| 611 | return 0; |
| 612 | } |
| 613 | |
| 614 | static int dispatchToFile(direntry_t *entry, MainParam_t *mp) |
| 615 | { |
| 616 | if(entry) |
| 617 | return mp->callback(entry, mp); |
| 618 | else |
| 619 | return mp->unixcallback(mp); |
| 620 | } |
| 621 | |
| 622 | |
| 623 | void init_mp(MainParam_t *mp) |
| 624 | { |
| 625 | fix_mcwd(mp->mcwd); |
| 626 | mp->openflags = O_RDONLY; |
| 627 | mp->targetName = 0; |
| 628 | mp->targetDir = 0; |
| 629 | mp->unixTarget = 0; |
| 630 | mp->dirCallback = dispatchToFile; |
| 631 | mp->unixcallback = NULL; |
| 632 | mp->shortname.data = mp->longname.data = 0; |
| 633 | mp->shortname.len = mp->longname.len = 0; |
| 634 | mp->File = 0; |
| 635 | mp->fast_quit = 0; |
| 636 | } |
| 637 | |
| 638 | const char *mpGetBasename(MainParam_t *mp) |
| 639 | { |
| 640 | if(mp->direntry) { |
| 641 | wchar_to_native(mp->direntry->name, mp->targetBuffer, |
| 642 | MAX_VNAMELEN+1, sizeof(mp->targetBuffer)); |
| 643 | return mp->targetBuffer; |
| 644 | } else |
| 645 | return _basename(mp->unixSourceName); |
| 646 | } |
| 647 | |
| 648 | void mpPrintFilename(FILE *fp, MainParam_t *mp) |
| 649 | { |
| 650 | if(mp->direntry) |
| 651 | fprintPwd(fp, mp->direntry, 0); |
| 652 | else |
| 653 | fprintf(fp,"%s",mp->originalArg); |
| 654 | } |
| 655 | |
| 656 | const char *mpPickTargetName(MainParam_t *mp) |
| 657 | { |
| 658 | /* picks the target name: either the one explicitly given by the |
| 659 | * user, or the same as the source */ |
| 660 | if(mp->targetName) |
| 661 | return mp->targetName; |
| 662 | else |
| 663 | return mpGetBasename(mp); |
| 664 | } |
| 665 | |
| 666 | char *mpBuildUnixFilename(MainParam_t *mp) |
| 667 | { |
| 668 | const char *target; |
| 669 | char *ret; |
| 670 | char *tmp; |
| 671 | |
| 672 | target = mpPickTargetName(mp); |
| 673 | ret = malloc(strlen(mp->unixTarget) + 2 + strlen(target)); |
| 674 | if(!ret) |
| 675 | return 0; |
| 676 | strcpy(ret, mp->unixTarget); |
| 677 | if(*target) { |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 678 | /* fix for 'mcopy -n x:file existingfile' -- H. Lermen 980816 */ |
| 679 | if(!mp->targetName && !mp->targetDir && !unix_is_dir(ret)) |
| 680 | return ret; |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 681 | strcat(ret, "/"); |
| 682 | if(!strcmp(target, ".")) { |
| 683 | target="DOT"; |
| 684 | } else if(!strcmp(target, "..")) { |
| 685 | target="DOTDOT"; |
| 686 | } |
| 687 | while( (tmp=strchr(target, '/')) ) { |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame] | 688 | strncat(ret, target, ptrdiff(tmp,target)); |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 689 | strcat(ret, "\\"); |
| 690 | target=tmp+1; |
| 691 | } |
| 692 | strcat(ret, target); |
| 693 | } |
| 694 | return ret; |
| 695 | } |