| 1 |
/* |
| 2 |
* extfs_macosx.cpp - MacOS file system for access native file system access, MacOS X specific stuff |
| 3 |
* |
| 4 |
* Basilisk II (C) 1997-2008 Christian Bauer |
| 5 |
* |
| 6 |
* This program is free software; you can redistribute it and/or modify |
| 7 |
* it under the terms of the GNU General Public License as published by |
| 8 |
* the Free Software Foundation; either version 2 of the License, or |
| 9 |
* (at your option) any later version. |
| 10 |
* |
| 11 |
* This program is distributed in the hope that it will be useful, |
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
* GNU General Public License for more details. |
| 15 |
* |
| 16 |
* You should have received a copy of the GNU General Public License |
| 17 |
* along with this program; if not, write to the Free Software |
| 18 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 |
*/ |
| 20 |
|
| 21 |
#include <sys/types.h> |
| 22 |
#include <sys/stat.h> |
| 23 |
#include <sys/attr.h> |
| 24 |
#include <sys/syscall.h> |
| 25 |
#include <stdio.h> |
| 26 |
#include <stdlib.h> |
| 27 |
#include <unistd.h> |
| 28 |
#include <dirent.h> |
| 29 |
#include <errno.h> |
| 30 |
|
| 31 |
#include "sysdeps.h" |
| 32 |
#include "prefs.h" |
| 33 |
#include "extfs.h" |
| 34 |
#include "extfs_defs.h" |
| 35 |
|
| 36 |
// XXX: don't clobber with native definitions |
| 37 |
#define noErr native_noErr |
| 38 |
#define Point native_Point |
| 39 |
#define Rect native_Rect |
| 40 |
#define ProcPtr native_ProcPtr |
| 41 |
# include <CoreFoundation/CFString.h> |
| 42 |
#undef ProcPtr |
| 43 |
#undef Rect |
| 44 |
#undef Point |
| 45 |
#undef noErr |
| 46 |
|
| 47 |
#define DEBUG 0 |
| 48 |
#include "debug.h" |
| 49 |
|
| 50 |
|
| 51 |
// Default Finder flags |
| 52 |
const uint16 DEFAULT_FINDER_FLAGS = kHasBeenInited; |
| 53 |
|
| 54 |
|
| 55 |
/* |
| 56 |
* Extended attributes (Tiger+) |
| 57 |
*/ |
| 58 |
|
| 59 |
#define USE_XATTRS g_use_xattrs |
| 60 |
static bool g_use_xattrs = false; |
| 61 |
|
| 62 |
#define XATTR_TEST "org.BasiliskII.TestAttr" |
| 63 |
#define XATTR_FINFO "org.BasiliskII.FinderInfo" |
| 64 |
#define XATTR_FXINFO "org.BasiliskII.ExtendedFinderInfo" |
| 65 |
|
| 66 |
static bool get_xattr(const char *path, const char *name, void *value, uint32 size) |
| 67 |
{ |
| 68 |
return syscall(SYS_getxattr, path, name, value, size, 0, 0) == size; |
| 69 |
} |
| 70 |
|
| 71 |
static bool set_xattr(const char *path, const char *name, const void *value, uint32 size) |
| 72 |
{ |
| 73 |
return syscall(SYS_setxattr, path, name, value, size, 0, 0) == 0; |
| 74 |
} |
| 75 |
|
| 76 |
static bool remove_xattr(const char *path, const char *name) |
| 77 |
{ |
| 78 |
return syscall(SYS_removexattr, path, name, 0) == 0; |
| 79 |
} |
| 80 |
|
| 81 |
static bool check_xattr(void) |
| 82 |
{ |
| 83 |
const char *path = PrefsFindString("extfs"); |
| 84 |
if (path == NULL) |
| 85 |
return false; |
| 86 |
const uint32 sentinel = 0xdeadbeef; |
| 87 |
if (!set_xattr(path, XATTR_TEST, &sentinel, sizeof(sentinel))) |
| 88 |
return false; |
| 89 |
uint32 v; |
| 90 |
if (!get_xattr(path, XATTR_TEST, &v, sizeof(v))) |
| 91 |
return false; |
| 92 |
if (!remove_xattr(path, XATTR_TEST)) |
| 93 |
return false; |
| 94 |
return v == sentinel; |
| 95 |
} |
| 96 |
|
| 97 |
|
| 98 |
/* |
| 99 |
* Initialization |
| 100 |
*/ |
| 101 |
|
| 102 |
void extfs_init(void) |
| 103 |
{ |
| 104 |
g_use_xattrs = check_xattr(); |
| 105 |
} |
| 106 |
|
| 107 |
|
| 108 |
/* |
| 109 |
* Deinitialization |
| 110 |
*/ |
| 111 |
|
| 112 |
void extfs_exit(void) |
| 113 |
{ |
| 114 |
} |
| 115 |
|
| 116 |
|
| 117 |
/* |
| 118 |
* Add component to path name |
| 119 |
*/ |
| 120 |
|
| 121 |
void add_path_component(char *path, const char *component) |
| 122 |
{ |
| 123 |
int l = strlen(path); |
| 124 |
if (l < MAX_PATH_LENGTH-1 && path[l-1] != '/') { |
| 125 |
path[l] = '/'; |
| 126 |
path[l+1] = 0; |
| 127 |
} |
| 128 |
strncat(path, component, MAX_PATH_LENGTH-1); |
| 129 |
} |
| 130 |
|
| 131 |
|
| 132 |
/* |
| 133 |
* Finder info manipulation helpers |
| 134 |
*/ |
| 135 |
|
| 136 |
typedef uint8 FinderInfo[SIZEOF_FInfo]; |
| 137 |
|
| 138 |
struct FinderInfoAttrBuf { |
| 139 |
uint32 length; |
| 140 |
FinderInfo finderInfo; |
| 141 |
FinderInfo extendedFinderInfo; |
| 142 |
}; |
| 143 |
|
| 144 |
static const FinderInfo kNativeFInfoMask = {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00}; |
| 145 |
static const FinderInfo kNativeFXInfoMask = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00}; |
| 146 |
static const FinderInfo kNativeDInfoMask = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00}; |
| 147 |
static const FinderInfo kNativeDXInfoMask = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00}; /* XXX: keep frScroll? */ |
| 148 |
|
| 149 |
static void finfo_merge(FinderInfo dst, const FinderInfo emu, const FinderInfo nat, const FinderInfo mask) |
| 150 |
{ |
| 151 |
for (int i = 0; i < SIZEOF_FInfo; i++) |
| 152 |
dst[i] = (emu[i] & ~mask[i]) | (nat[i] & mask[i]); |
| 153 |
} |
| 154 |
|
| 155 |
static void finfo_split(FinderInfo dst, const FinderInfo emu, const FinderInfo mask) |
| 156 |
{ |
| 157 |
for (int i = 0; i < SIZEOF_FInfo; i++) |
| 158 |
dst[i] = emu[i] & mask[i]; |
| 159 |
} |
| 160 |
|
| 161 |
|
| 162 |
/* |
| 163 |
* Finder info are kept in helper files (on anything below Tiger) |
| 164 |
* |
| 165 |
* Finder info: |
| 166 |
* /path/.finf/file |
| 167 |
* |
| 168 |
* The .finf files store a FInfo/DInfo, followed by a FXInfo/DXInfo |
| 169 |
* (16+16 bytes) |
| 170 |
*/ |
| 171 |
|
| 172 |
static void make_finf_path(const char *src, char *dest, bool only_dir = false) |
| 173 |
{ |
| 174 |
dest[0] = 0; |
| 175 |
|
| 176 |
// Get pointer to last component of path |
| 177 |
const char *last_part = strrchr(src, '/'); |
| 178 |
if (last_part) |
| 179 |
last_part++; |
| 180 |
else |
| 181 |
last_part = src; |
| 182 |
|
| 183 |
// Copy everything before |
| 184 |
strncpy(dest, src, last_part-src); |
| 185 |
dest[last_part-src] = 0; |
| 186 |
|
| 187 |
// Add additional component |
| 188 |
strncat(dest, ".finf/", MAX_PATH_LENGTH-1); |
| 189 |
|
| 190 |
// Add last component |
| 191 |
if (!only_dir) |
| 192 |
strncat(dest, last_part, MAX_PATH_LENGTH-1); |
| 193 |
} |
| 194 |
|
| 195 |
static int create_finf_dir(const char *path) |
| 196 |
{ |
| 197 |
char finf_dir[MAX_PATH_LENGTH]; |
| 198 |
make_finf_path(path, finf_dir, true); |
| 199 |
if (finf_dir[strlen(finf_dir) - 1] == '/') // Remove trailing "/" |
| 200 |
finf_dir[strlen(finf_dir) - 1] = 0; |
| 201 |
return mkdir(finf_dir, 0777); |
| 202 |
} |
| 203 |
|
| 204 |
static int open_finf(const char *path, int flag) |
| 205 |
{ |
| 206 |
char finf_path[MAX_PATH_LENGTH]; |
| 207 |
make_finf_path(path, finf_path); |
| 208 |
|
| 209 |
if ((flag & O_ACCMODE) == O_RDWR || (flag & O_ACCMODE) == O_WRONLY) |
| 210 |
flag |= O_CREAT; |
| 211 |
int fd = open(finf_path, flag, 0666); |
| 212 |
if (fd < 0) { |
| 213 |
if (errno == ENOENT && (flag & O_CREAT)) { |
| 214 |
// One path component was missing, probably the finf |
| 215 |
// directory. Try to create it and re-open the file. |
| 216 |
int ret = create_finf_dir(path); |
| 217 |
if (ret < 0) |
| 218 |
return ret; |
| 219 |
fd = open(finf_path, flag, 0666); |
| 220 |
} |
| 221 |
} |
| 222 |
return fd; |
| 223 |
} |
| 224 |
|
| 225 |
|
| 226 |
/* |
| 227 |
* Resource forks are kept into their native location |
| 228 |
* |
| 229 |
* Resource fork: |
| 230 |
* /path/file/..namedfork/rsrc |
| 231 |
*/ |
| 232 |
|
| 233 |
static void make_rsrc_path(const char *src, char *dest) |
| 234 |
{ |
| 235 |
int l = strlen(src); |
| 236 |
if (l + 1 + 16 + 1 <= MAX_PATH_LENGTH) |
| 237 |
memcpy(dest, src, l + 1); |
| 238 |
else { |
| 239 |
// The rsrc component is copied as is, if there is not enough |
| 240 |
// space to add it. In that case, open() will fail gracefully |
| 241 |
// and this is what we want. |
| 242 |
dest[0] = '.'; |
| 243 |
dest[1] = '\0'; |
| 244 |
} |
| 245 |
|
| 246 |
add_path_component(dest, "..namedfork/rsrc"); |
| 247 |
} |
| 248 |
|
| 249 |
static int open_rsrc(const char *path, int flag) |
| 250 |
{ |
| 251 |
char rsrc_path[MAX_PATH_LENGTH]; |
| 252 |
make_rsrc_path(path, rsrc_path); |
| 253 |
|
| 254 |
return open(rsrc_path, flag); |
| 255 |
} |
| 256 |
|
| 257 |
|
| 258 |
/* |
| 259 |
* Get/set finder info for file/directory specified by full path |
| 260 |
*/ |
| 261 |
|
| 262 |
struct ext2type { |
| 263 |
const char *ext; |
| 264 |
uint32 type; |
| 265 |
uint32 creator; |
| 266 |
}; |
| 267 |
|
| 268 |
static const ext2type e2t_translation[] = { |
| 269 |
{".Z", FOURCC('Z','I','V','M'), FOURCC('L','Z','I','V')}, |
| 270 |
{".gz", FOURCC('G','z','i','p'), FOURCC('G','z','i','p')}, |
| 271 |
{".hqx", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')}, |
| 272 |
{".bin", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')}, |
| 273 |
{".pdf", FOURCC('P','D','F',' '), FOURCC('C','A','R','O')}, |
| 274 |
{".ps", FOURCC('T','E','X','T'), FOURCC('t','t','x','t')}, |
| 275 |
{".sit", FOURCC('S','I','T','!'), FOURCC('S','I','T','x')}, |
| 276 |
{".tar", FOURCC('T','A','R','F'), FOURCC('T','A','R',' ')}, |
| 277 |
{".uu", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')}, |
| 278 |
{".uue", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')}, |
| 279 |
{".zip", FOURCC('Z','I','P',' '), FOURCC('Z','I','P',' ')}, |
| 280 |
{".8svx", FOURCC('8','S','V','X'), FOURCC('S','N','D','M')}, |
| 281 |
{".aifc", FOURCC('A','I','F','C'), FOURCC('T','V','O','D')}, |
| 282 |
{".aiff", FOURCC('A','I','F','F'), FOURCC('T','V','O','D')}, |
| 283 |
{".au", FOURCC('U','L','A','W'), FOURCC('T','V','O','D')}, |
| 284 |
{".mid", FOURCC('M','I','D','I'), FOURCC('T','V','O','D')}, |
| 285 |
{".midi", FOURCC('M','I','D','I'), FOURCC('T','V','O','D')}, |
| 286 |
{".mp2", FOURCC('M','P','G',' '), FOURCC('T','V','O','D')}, |
| 287 |
{".mp3", FOURCC('M','P','G',' '), FOURCC('T','V','O','D')}, |
| 288 |
{".wav", FOURCC('W','A','V','E'), FOURCC('T','V','O','D')}, |
| 289 |
{".bmp", FOURCC('B','M','P','f'), FOURCC('o','g','l','e')}, |
| 290 |
{".gif", FOURCC('G','I','F','f'), FOURCC('o','g','l','e')}, |
| 291 |
{".lbm", FOURCC('I','L','B','M'), FOURCC('G','K','O','N')}, |
| 292 |
{".ilbm", FOURCC('I','L','B','M'), FOURCC('G','K','O','N')}, |
| 293 |
{".jpg", FOURCC('J','P','E','G'), FOURCC('o','g','l','e')}, |
| 294 |
{".jpeg", FOURCC('J','P','E','G'), FOURCC('o','g','l','e')}, |
| 295 |
{".pict", FOURCC('P','I','C','T'), FOURCC('o','g','l','e')}, |
| 296 |
{".png", FOURCC('P','N','G','f'), FOURCC('o','g','l','e')}, |
| 297 |
{".sgi", FOURCC('.','S','G','I'), FOURCC('o','g','l','e')}, |
| 298 |
{".tga", FOURCC('T','P','I','C'), FOURCC('o','g','l','e')}, |
| 299 |
{".tif", FOURCC('T','I','F','F'), FOURCC('o','g','l','e')}, |
| 300 |
{".tiff", FOURCC('T','I','F','F'), FOURCC('o','g','l','e')}, |
| 301 |
{".htm", FOURCC('T','E','X','T'), FOURCC('M','O','S','S')}, |
| 302 |
{".html", FOURCC('T','E','X','T'), FOURCC('M','O','S','S')}, |
| 303 |
{".txt", FOURCC('T','E','X','T'), FOURCC('t','t','x','t')}, |
| 304 |
{".rtf", FOURCC('T','E','X','T'), FOURCC('M','S','W','D')}, |
| 305 |
{".c", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
| 306 |
{".C", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
| 307 |
{".cc", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
| 308 |
{".cpp", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
| 309 |
{".cxx", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
| 310 |
{".h", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
| 311 |
{".hh", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
| 312 |
{".hpp", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
| 313 |
{".hxx", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
| 314 |
{".s", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
| 315 |
{".S", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
| 316 |
{".i", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')}, |
| 317 |
{".mpg", FOURCC('M','P','E','G'), FOURCC('T','V','O','D')}, |
| 318 |
{".mpeg", FOURCC('M','P','E','G'), FOURCC('T','V','O','D')}, |
| 319 |
{".mov", FOURCC('M','o','o','V'), FOURCC('T','V','O','D')}, |
| 320 |
{".fli", FOURCC('F','L','I',' '), FOURCC('T','V','O','D')}, |
| 321 |
{".avi", FOURCC('V','f','W',' '), FOURCC('T','V','O','D')}, |
| 322 |
{".qxd", FOURCC('X','D','O','C'), FOURCC('X','P','R','3')}, |
| 323 |
{".hfv", FOURCC('D','D','i','m'), FOURCC('d','d','s','k')}, |
| 324 |
{".dsk", FOURCC('D','D','i','m'), FOURCC('d','d','s','k')}, |
| 325 |
{".img", FOURCC('r','o','h','d'), FOURCC('d','d','s','k')}, |
| 326 |
{NULL, 0, 0} // End marker |
| 327 |
}; |
| 328 |
|
| 329 |
// Get emulated Finder info from metadata (Tiger+) |
| 330 |
static bool get_finfo_from_xattr(const char *path, uint8 *finfo, uint8 *fxinfo) |
| 331 |
{ |
| 332 |
if (!get_xattr(path, XATTR_FINFO, finfo, SIZEOF_FInfo)) |
| 333 |
return false; |
| 334 |
if (fxinfo && !get_xattr(path, XATTR_FXINFO, fxinfo, SIZEOF_FXInfo)) |
| 335 |
return false; |
| 336 |
return true; |
| 337 |
} |
| 338 |
|
| 339 |
// Get emulated Finder info from helper file |
| 340 |
static bool get_finfo_from_helper(const char *path, uint8 *finfo, uint8 *fxinfo) |
| 341 |
{ |
| 342 |
int fd = open_finf(path, O_RDONLY); |
| 343 |
if (fd < 0) |
| 344 |
return false; |
| 345 |
|
| 346 |
ssize_t actual = read(fd, finfo, SIZEOF_FInfo); |
| 347 |
if (fxinfo) |
| 348 |
actual += read(fd, fxinfo, SIZEOF_FXInfo); |
| 349 |
close(fd); |
| 350 |
return actual == (SIZEOF_FInfo + (fxinfo ? SIZEOF_FXInfo : 0)); |
| 351 |
} |
| 352 |
|
| 353 |
// Get native Finder info |
| 354 |
static bool get_finfo_from_native(const char *path, uint8 *finfo, uint8 *fxinfo) |
| 355 |
{ |
| 356 |
struct attrlist attrList; |
| 357 |
memset(&attrList, 0, sizeof(attrList)); |
| 358 |
attrList.bitmapcount = ATTR_BIT_MAP_COUNT; |
| 359 |
attrList.commonattr = ATTR_CMN_FNDRINFO; |
| 360 |
|
| 361 |
FinderInfoAttrBuf attrBuf; |
| 362 |
if (getattrlist(path, &attrList, &attrBuf, sizeof(attrBuf), 0) < 0) |
| 363 |
return false; |
| 364 |
|
| 365 |
memcpy(finfo, attrBuf.finderInfo, SIZEOF_FInfo); |
| 366 |
if (fxinfo) |
| 367 |
memcpy(fxinfo, attrBuf.extendedFinderInfo, SIZEOF_FXInfo); |
| 368 |
return true; |
| 369 |
} |
| 370 |
|
| 371 |
static bool do_get_finfo(const char *path, bool has_fxinfo, |
| 372 |
FinderInfo emu_finfo, FinderInfo emu_fxinfo, |
| 373 |
FinderInfo nat_finfo, FinderInfo nat_fxinfo) |
| 374 |
{ |
| 375 |
memset(emu_finfo, 0, SIZEOF_FInfo); |
| 376 |
if (has_fxinfo) |
| 377 |
memset(emu_fxinfo, 0, SIZEOF_FXInfo); |
| 378 |
*((uint16 *)(emu_finfo + fdFlags)) = htonl(DEFAULT_FINDER_FLAGS); |
| 379 |
*((uint32 *)(emu_finfo + fdLocation)) = htonl((uint32)-1); |
| 380 |
|
| 381 |
if (USE_XATTRS) |
| 382 |
get_finfo_from_xattr(path, emu_finfo, has_fxinfo ? emu_fxinfo : NULL); |
| 383 |
else |
| 384 |
get_finfo_from_helper(path, emu_finfo, has_fxinfo ? emu_fxinfo : NULL); |
| 385 |
|
| 386 |
if (!get_finfo_from_native(path, nat_finfo, has_fxinfo ? nat_fxinfo : NULL)) |
| 387 |
return false; |
| 388 |
return true; |
| 389 |
} |
| 390 |
|
| 391 |
void get_finfo(const char *path, uint32 finfo, uint32 fxinfo, bool is_dir) |
| 392 |
{ |
| 393 |
// Set default finder info |
| 394 |
Mac_memset(finfo, 0, SIZEOF_FInfo); |
| 395 |
if (fxinfo) |
| 396 |
Mac_memset(fxinfo, 0, SIZEOF_FXInfo); |
| 397 |
WriteMacInt16(finfo + fdFlags, DEFAULT_FINDER_FLAGS); |
| 398 |
WriteMacInt32(finfo + fdLocation, (uint32)-1); |
| 399 |
|
| 400 |
// Merge emulated and native Finder info |
| 401 |
FinderInfo emu_finfo, emu_fxinfo; |
| 402 |
FinderInfo nat_finfo, nat_fxinfo; |
| 403 |
if (do_get_finfo(path, fxinfo, emu_finfo, emu_fxinfo, nat_finfo, nat_fxinfo)) { |
| 404 |
if (!is_dir) { |
| 405 |
finfo_merge(Mac2HostAddr(finfo), emu_finfo, nat_finfo, kNativeFInfoMask); |
| 406 |
if (fxinfo) |
| 407 |
finfo_merge(Mac2HostAddr(fxinfo), emu_fxinfo, nat_fxinfo, kNativeFXInfoMask); |
| 408 |
if (ReadMacInt32(finfo + fdType) != 0 && ReadMacInt32(finfo + fdCreator) != 0) |
| 409 |
return; |
| 410 |
} |
| 411 |
else { |
| 412 |
finfo_merge(Mac2HostAddr(finfo), emu_finfo, nat_finfo, kNativeDInfoMask); |
| 413 |
if (fxinfo) |
| 414 |
finfo_merge(Mac2HostAddr(fxinfo), emu_fxinfo, nat_fxinfo, kNativeDXInfoMask); |
| 415 |
return; |
| 416 |
} |
| 417 |
} |
| 418 |
|
| 419 |
// No native Finder info, translate file name extension to MacOS type/creator |
| 420 |
if (!is_dir) { |
| 421 |
int path_len = strlen(path); |
| 422 |
for (int i=0; e2t_translation[i].ext; i++) { |
| 423 |
int ext_len = strlen(e2t_translation[i].ext); |
| 424 |
if (path_len < ext_len) |
| 425 |
continue; |
| 426 |
if (!strcmp(path + path_len - ext_len, e2t_translation[i].ext)) { |
| 427 |
WriteMacInt32(finfo + fdType, e2t_translation[i].type); |
| 428 |
WriteMacInt32(finfo + fdCreator, e2t_translation[i].creator); |
| 429 |
break; |
| 430 |
} |
| 431 |
} |
| 432 |
} |
| 433 |
} |
| 434 |
|
| 435 |
// Set emulated Finder info into metada (Tiger+) |
| 436 |
static bool set_finfo_to_xattr(const char *path, const uint8 *finfo, const uint8 *fxinfo) |
| 437 |
{ |
| 438 |
if (!set_xattr(path, XATTR_FINFO, finfo, SIZEOF_FInfo)) |
| 439 |
return false; |
| 440 |
if (fxinfo && !set_xattr(path, XATTR_FXINFO, fxinfo, SIZEOF_FXInfo)) |
| 441 |
return false; |
| 442 |
return true; |
| 443 |
} |
| 444 |
|
| 445 |
// Set emulated Finder info into helper file |
| 446 |
static bool set_finfo_to_helper(const char *path, const uint8 *finfo, const uint8 *fxinfo) |
| 447 |
{ |
| 448 |
int fd = open_finf(path, O_RDWR); |
| 449 |
if (fd < 0) |
| 450 |
return false; |
| 451 |
|
| 452 |
ssize_t actual = write(fd, finfo, SIZEOF_FInfo); |
| 453 |
if (fxinfo) |
| 454 |
actual += write(fd, fxinfo, SIZEOF_FXInfo); |
| 455 |
close(fd); |
| 456 |
return actual == (SIZEOF_FInfo + (fxinfo ? SIZEOF_FXInfo : 0)); |
| 457 |
} |
| 458 |
|
| 459 |
// Set native Finder info |
| 460 |
static bool set_finfo_to_native(const char *path, const uint8 *finfo, const uint8 *fxinfo, bool is_dir) |
| 461 |
{ |
| 462 |
struct attrlist attrList; |
| 463 |
memset(&attrList, 0, sizeof(attrList)); |
| 464 |
attrList.bitmapcount = ATTR_BIT_MAP_COUNT; |
| 465 |
attrList.commonattr = ATTR_CMN_FNDRINFO; |
| 466 |
|
| 467 |
FinderInfoAttrBuf attrBuf; |
| 468 |
if (getattrlist(path, &attrList, &attrBuf, sizeof(attrBuf), 0) < 0) |
| 469 |
return false; |
| 470 |
|
| 471 |
finfo_merge(attrBuf.finderInfo, attrBuf.finderInfo, finfo, is_dir ? kNativeDInfoMask : kNativeFInfoMask); |
| 472 |
if (fxinfo) |
| 473 |
finfo_merge(attrBuf.extendedFinderInfo, attrBuf.extendedFinderInfo, fxinfo, is_dir ? kNativeDXInfoMask : kNativeFXInfoMask); |
| 474 |
|
| 475 |
attrList.commonattr = ATTR_CMN_FNDRINFO; |
| 476 |
if (setattrlist(path, &attrList, attrBuf.finderInfo, 2 * SIZEOF_FInfo, 0) < 0) |
| 477 |
return false; |
| 478 |
return true; |
| 479 |
} |
| 480 |
|
| 481 |
void set_finfo(const char *path, uint32 finfo, uint32 fxinfo, bool is_dir) |
| 482 |
{ |
| 483 |
// Extract native Finder info flags |
| 484 |
FinderInfo nat_finfo, nat_fxinfo; |
| 485 |
const uint8 *emu_finfo = Mac2HostAddr(finfo); |
| 486 |
const uint8 *emu_fxinfo = fxinfo ? Mac2HostAddr(fxinfo) : NULL; |
| 487 |
finfo_split(nat_finfo, emu_finfo, is_dir ? kNativeDInfoMask : kNativeFInfoMask); |
| 488 |
if (fxinfo) |
| 489 |
finfo_split(nat_fxinfo, emu_fxinfo, is_dir ? kNativeDXInfoMask : kNativeFXInfoMask); |
| 490 |
|
| 491 |
// Update Finder info file (all flags) |
| 492 |
if (USE_XATTRS) |
| 493 |
set_finfo_to_xattr(path, emu_finfo, emu_fxinfo); |
| 494 |
else |
| 495 |
set_finfo_to_helper(path, emu_finfo, emu_fxinfo); |
| 496 |
|
| 497 |
// Update native Finder info flags |
| 498 |
set_finfo_to_native(path, nat_finfo, nat_fxinfo, is_dir); |
| 499 |
} |
| 500 |
|
| 501 |
|
| 502 |
/* |
| 503 |
* Resource fork emulation functions |
| 504 |
*/ |
| 505 |
|
| 506 |
uint32 get_rfork_size(const char *path) |
| 507 |
{ |
| 508 |
// Open resource file |
| 509 |
int fd = open_rsrc(path, O_RDONLY); |
| 510 |
if (fd < 0) |
| 511 |
return 0; |
| 512 |
|
| 513 |
// Get size |
| 514 |
off_t size = lseek(fd, 0, SEEK_END); |
| 515 |
|
| 516 |
// Close file and return size |
| 517 |
close(fd); |
| 518 |
return size < 0 ? 0 : size; |
| 519 |
} |
| 520 |
|
| 521 |
int open_rfork(const char *path, int flag) |
| 522 |
{ |
| 523 |
return open_rsrc(path, flag); |
| 524 |
} |
| 525 |
|
| 526 |
void close_rfork(const char *path, int fd) |
| 527 |
{ |
| 528 |
close(fd); |
| 529 |
} |
| 530 |
|
| 531 |
|
| 532 |
/* |
| 533 |
* Read "length" bytes from file to "buffer", |
| 534 |
* returns number of bytes read (or -1 on error) |
| 535 |
*/ |
| 536 |
|
| 537 |
ssize_t extfs_read(int fd, void *buffer, size_t length) |
| 538 |
{ |
| 539 |
return read(fd, buffer, length); |
| 540 |
} |
| 541 |
|
| 542 |
|
| 543 |
/* |
| 544 |
* Write "length" bytes from "buffer" to file, |
| 545 |
* returns number of bytes written (or -1 on error) |
| 546 |
*/ |
| 547 |
|
| 548 |
ssize_t extfs_write(int fd, void *buffer, size_t length) |
| 549 |
{ |
| 550 |
return write(fd, buffer, length); |
| 551 |
} |
| 552 |
|
| 553 |
|
| 554 |
/* |
| 555 |
* Remove file/directory (and associated helper files), |
| 556 |
* returns false on error (and sets errno) |
| 557 |
*/ |
| 558 |
|
| 559 |
bool extfs_remove(const char *path) |
| 560 |
{ |
| 561 |
// Remove helpers first, don't complain if this fails |
| 562 |
char helper_path[MAX_PATH_LENGTH]; |
| 563 |
make_finf_path(path, helper_path, false); |
| 564 |
remove(helper_path); |
| 565 |
make_rsrc_path(path, helper_path); |
| 566 |
remove(helper_path); |
| 567 |
|
| 568 |
// Now remove file or directory (and helper directories in the directory) |
| 569 |
if (remove(path) < 0) { |
| 570 |
if (errno == EISDIR || errno == ENOTEMPTY) { |
| 571 |
helper_path[0] = 0; |
| 572 |
strncpy(helper_path, path, MAX_PATH_LENGTH-1); |
| 573 |
add_path_component(helper_path, ".finf"); |
| 574 |
rmdir(helper_path); |
| 575 |
return rmdir(path) == 0; |
| 576 |
} else |
| 577 |
return false; |
| 578 |
} |
| 579 |
return true; |
| 580 |
} |
| 581 |
|
| 582 |
|
| 583 |
/* |
| 584 |
* Rename/move file/directory (and associated helper files), |
| 585 |
* returns false on error (and sets errno) |
| 586 |
*/ |
| 587 |
|
| 588 |
bool extfs_rename(const char *old_path, const char *new_path) |
| 589 |
{ |
| 590 |
// Rename helpers first, don't complain if this fails |
| 591 |
char old_helper_path[MAX_PATH_LENGTH], new_helper_path[MAX_PATH_LENGTH]; |
| 592 |
make_finf_path(old_path, old_helper_path, false); |
| 593 |
make_finf_path(new_path, new_helper_path, false); |
| 594 |
create_finf_dir(new_path); |
| 595 |
rename(old_helper_path, new_helper_path); |
| 596 |
make_rsrc_path(old_path, old_helper_path); |
| 597 |
make_rsrc_path(new_path, new_helper_path); |
| 598 |
rename(old_helper_path, new_helper_path); |
| 599 |
|
| 600 |
// Now rename file |
| 601 |
return rename(old_path, new_path) == 0; |
| 602 |
} |
| 603 |
|
| 604 |
|
| 605 |
/* |
| 606 |
* Strings (filenames) conversion |
| 607 |
*/ |
| 608 |
|
| 609 |
// Convert string in the specified source and target encodings |
| 610 |
const char *convert_string(const char *str, CFStringEncoding from, CFStringEncoding to) |
| 611 |
{ |
| 612 |
const char *ostr = str; |
| 613 |
CFStringRef cfstr = CFStringCreateWithCString(NULL, str, from); |
| 614 |
if (cfstr) { |
| 615 |
static char buffer[MAX_PATH_LENGTH]; |
| 616 |
memset(buffer, 0, sizeof(buffer)); |
| 617 |
if (CFStringGetCString(cfstr, buffer, sizeof(buffer), to)) |
| 618 |
ostr = buffer; |
| 619 |
CFRelease(cfstr); |
| 620 |
} |
| 621 |
return ostr; |
| 622 |
} |
| 623 |
|
| 624 |
// Convert from the host OS filename encoding to MacRoman |
| 625 |
const char *host_encoding_to_macroman(const char *filename) |
| 626 |
{ |
| 627 |
return convert_string(filename, kCFStringEncodingUTF8, kCFStringEncodingMacRoman); |
| 628 |
} |
| 629 |
|
| 630 |
// Convert from MacRoman to host OS filename encoding |
| 631 |
const char *macroman_to_host_encoding(const char *filename) |
| 632 |
{ |
| 633 |
return convert_string(filename, kCFStringEncodingMacRoman, kCFStringEncodingUTF8); |
| 634 |
} |
