| 1 |
/* |
| 2 |
* extfs_beos.cpp - MacOS file system for access native file system access, BeOS specific stuff |
| 3 |
* |
| 4 |
* Basilisk II (C) 1997-1999 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 "sysdeps.h" |
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|
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#include <sys/types.h> |
| 24 |
#include <sys/stat.h> |
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#include <string.h> |
| 26 |
#include <stdio.h> |
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#include <stdlib.h> |
| 28 |
#include <unistd.h> |
| 29 |
#include <fcntl.h> |
| 30 |
#include <dirent.h> |
| 31 |
#include <errno.h> |
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|
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#include <fs_attr.h> |
| 34 |
#include <support/TypeConstants.h> |
| 35 |
#include <storage/Mime.h> |
| 36 |
|
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#include "extfs.h" |
| 38 |
#include "extfs_defs.h" |
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|
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#define DEBUG 0 |
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#include "debug.h" |
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|
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|
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// Default Finder flags |
| 45 |
const uint16 DEFAULT_FINDER_FLAGS = kHasBeenInited; |
| 46 |
|
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// Temporary buffer for transfers from/to kernel space |
| 48 |
const int TMP_BUF_SIZE = 0x10000; |
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static uint8 *tmp_buf = NULL; |
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|
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|
| 52 |
/* |
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* Initialization |
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*/ |
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|
| 56 |
void extfs_init(void) |
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{ |
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// Allocate temporary buffer |
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tmp_buf = new uint8[TMP_BUF_SIZE]; |
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} |
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|
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|
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/* |
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* Deinitialization |
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*/ |
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|
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void extfs_exit(void) |
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{ |
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// Delete temporary buffer |
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delete[] tmp_buf; |
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} |
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|
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|
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/* |
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* Add component to path name |
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*/ |
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|
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void add_path_component(char *path, const char *component) |
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{ |
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int l = strlen(path); |
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if (l < MAX_PATH_LENGTH-1 && path[l-1] != '/') { |
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path[l] = '/'; |
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path[l+1] = 0; |
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} |
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strncat(path, component, MAX_PATH_LENGTH-1); |
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} |
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|
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|
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/* |
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* Get/set finder type/creator for file specified by full path |
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*/ |
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|
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struct mime2type { |
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const char *mime; |
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uint32 type; |
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uint32 creator; |
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bool reversible; // type -> mime translation possible |
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}; |
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|
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static const mime2type m2t_translation[] = { |
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{"application/x-compress", 'ZIVM', 'LZIV', true}, |
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{"application/x-gzip", 'Gzip', 'Gzip', true}, |
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{"application/x-macbinary", 'BINA', '????', false}, |
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{"application/mac-binhex40", 'TEXT', 'SITx', false}, |
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{"application/pdf", 'PDF ', 'CARO', true}, |
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{"application/postscript", 'TEXT', 'ttxt', false}, |
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{"application/x-stuffit", 'SIT!', 'SITx', true}, |
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{"application/x-tar", 'TARF', 'TAR ', true}, |
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{"application/x-uuencode", 'TEXT', 'SITx', false}, |
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{"application/zip", 'ZIP ', 'ZIP ', true}, |
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{"audio/x-8svx", '8SVX', 'SNDM', true}, |
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{"audio/x-aifc", 'AIFC', 'TVOD', true}, |
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{"audio/x-aiff", 'AIFF', 'TVOD', true}, |
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{"audio/basic", 'ULAW', 'TVOD', true}, |
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{"audio/x-midi", 'MIDI', 'TVOD', true}, |
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{"audio/x-mpeg", 'MPG ', 'TVOD', true}, |
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{"audio/x-wav", 'WAVE', 'TVOD', true}, |
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{"image/x-bmp", 'BMPf', 'ogle', true}, |
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{"image/gif", 'GIFf', 'ogle', true}, |
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{"image/x-ilbm", 'ILBM', 'GKON', true}, |
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{"image/jpeg", 'JPEG', 'ogle', true}, |
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{"image/jpeg", 'JFIF', 'ogle', true}, |
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{"image/x-photoshop", '8BPS', '8BIM', true}, |
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{"image/pict", 'PICT', 'ogle', true}, |
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{"image/png", 'PNGf', 'ogle', true}, |
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{"image/x-sgi", '.SGI', 'ogle', true}, |
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{"image/x-targa", 'TPIC', 'ogle', true}, |
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{"image/tiff", 'TIFF', 'ogle', true}, |
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{"text/html", 'TEXT', 'MOSS', false}, |
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{"text/plain", 'TEXT', 'ttxt', true}, |
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{"text/rtf", 'TEXT', 'MSWD', false}, |
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{"text/x-source-code", 'TEXT', 'R*ch', false}, |
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{"video/mpeg", 'MPEG', 'TVOD', true}, |
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{"video/quicktime", 'MooV', 'TVOD', true}, |
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{"video/x-flc", 'FLI ', 'TVOD', true}, |
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{"video/x-msvideo", 'VfW ', 'TVOD', true}, |
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{NULL, 0, 0, false} // End marker |
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}; |
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|
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void get_finder_type(const char *path, uint32 &type, uint32 &creator) |
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{ |
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type = 0; |
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creator = 0; |
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|
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// Open file |
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int fd = open(path, O_RDONLY); |
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if (fd < 0) |
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return; |
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|
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// Read BeOS MIME type and close file |
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char mime[256]; |
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ssize_t actual = fs_read_attr(fd, "BEOS:TYPE", B_MIME_STRING_TYPE, 0, mime, 256); |
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mime[255] = 0; |
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|
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if (actual > 0) { |
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|
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// Translate MIME type to MacOS type/creator |
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char mactype[4]; |
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if (sscanf(mime, "application/x-MacOS-%c%c%c%c", mactype, mactype+1, mactype+2, mactype+3) == 4) { |
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|
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// MacOS style type |
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memcpy(&type, mactype, 4); |
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|
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} else { |
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|
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// MIME string, look in table |
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for (int i=0; m2t_translation[i].mime; i++) { |
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if (!strcmp(mime, m2t_translation[i].mime)) { |
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type = m2t_translation[i].type; |
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creator = m2t_translation[i].creator; |
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break; |
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} |
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} |
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} |
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} |
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|
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// Override file type with MACOS:CREATOR attribute |
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fs_read_attr(fd, "MACOS:CREATOR", B_UINT32_TYPE, 0, &creator, 4); |
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|
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// Close file |
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close(fd); |
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} |
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|
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void set_finder_type(const char *path, uint32 type, uint32 creator) |
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{ |
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// Open file |
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int fd = open(path, O_WRONLY); |
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if (fd < 0) |
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return; |
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|
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// Set BEOS:TYPE attribute |
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if (type) { |
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bool written = false; |
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for (int i=0; m2t_translation[i].mime; i++) { |
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if (m2t_translation[i].type == type && m2t_translation[i].reversible) { |
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fs_write_attr(fd, "BEOS:TYPE", B_MIME_STRING_TYPE, 0, m2t_translation[i].mime, strlen(m2t_translation[i].mime) + 1); |
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written = true; |
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break; |
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} |
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} |
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if (!written) { |
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char mime[256]; |
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sprintf(mime, "application/x-MacOS-%c%c%c%c", type >> 24, type >> 16, type >> 8, type); |
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fs_write_attr(fd, "BEOS:TYPE", B_MIME_STRING_TYPE, 0, mime, strlen(mime) + 1); |
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} |
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} |
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|
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// Set MACOS:CREATOR attribute |
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if (creator) |
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fs_write_attr(fd, "MACOS:CREATOR", B_UINT32_TYPE, 0, &creator, 4); |
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|
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// Close file |
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close(fd); |
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} |
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|
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|
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/* |
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* Get/set finder flags for file/dir specified by full path (MACOS:HFS_FLAGS attribute) |
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*/ |
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|
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void get_finder_flags(const char *path, uint16 &flags) |
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{ |
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flags = DEFAULT_FINDER_FLAGS; // Default |
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|
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// Open file |
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int fd = open(path, O_RDONLY); |
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if (fd < 0) |
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return; |
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|
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// Read MACOS:HFS_FLAGS attribute |
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fs_read_attr(fd, "MACOS:HFS_FLAGS", B_UINT16_TYPE, 0, &flags, 2); |
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|
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// Close file |
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close(fd); |
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} |
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|
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void set_finder_flags(const char *path, uint16 flags) |
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{ |
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// Open file |
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int fd = open(path, O_WRONLY); |
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if (fd < 0) |
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return; |
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|
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// Write MACOS:HFS_FLAGS attribute |
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if (flags != DEFAULT_FINDER_FLAGS) |
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fs_write_attr(fd, "MACOS:HFS_FLAGS", B_UINT16_TYPE, 0, &flags, 2); |
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else |
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fs_remove_attr(fd, "MACOS:HFS_FLAGS"); |
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|
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// Close file |
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close(fd); |
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} |
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|
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|
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/* |
| 256 |
* Resource fork emulation functions |
| 257 |
*/ |
| 258 |
|
| 259 |
uint32 get_rfork_size(const char *path) |
| 260 |
{ |
| 261 |
// Open file |
| 262 |
int fd = open(path, O_RDONLY); |
| 263 |
if (fd < 0) |
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return 0; |
| 265 |
|
| 266 |
// Get size of MACOS:RFORK attribute |
| 267 |
struct attr_info info; |
| 268 |
if (fs_stat_attr(fd, "MACOS:RFORK", &info) < 0) |
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info.size = 0; |
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|
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// Close file and return size |
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close(fd); |
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return info.size; |
| 274 |
} |
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|
| 276 |
int open_rfork(const char *path, int flag) |
| 277 |
{ |
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// Open original file |
| 279 |
int fd = open(path, flag); |
| 280 |
if (fd < 0) |
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return -1; |
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|
| 283 |
// Open temporary file for resource fork |
| 284 |
char rname[L_tmpnam]; |
| 285 |
tmpnam(rname); |
| 286 |
int rfd = open(rname, O_RDWR | O_CREAT | O_TRUNC, 0666); |
| 287 |
if (rfd < 0) { |
| 288 |
close(fd); |
| 289 |
return -1; |
| 290 |
} |
| 291 |
unlink(rname); // File will be deleted when closed |
| 292 |
|
| 293 |
// Get size of MACOS:RFORK attribute |
| 294 |
struct attr_info info; |
| 295 |
if (fs_stat_attr(fd, "MACOS:RFORK", &info) < 0) |
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info.size = 0; |
| 297 |
|
| 298 |
// Copy resource data from attribute to temporary file |
| 299 |
if (info.size > 0) { |
| 300 |
|
| 301 |
// Allocate buffer |
| 302 |
void *buf = malloc(info.size); |
| 303 |
if (buf == NULL) { |
| 304 |
close(rfd); |
| 305 |
close(fd); |
| 306 |
return -1; |
| 307 |
} |
| 308 |
|
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// Copy data |
| 310 |
fs_read_attr(fd, "MACOS:RFORK", B_RAW_TYPE, 0, buf, info.size); |
| 311 |
write(rfd, buf, info.size); |
| 312 |
lseek(rfd, 0, SEEK_SET); |
| 313 |
|
| 314 |
// Free buffer |
| 315 |
if (buf) |
| 316 |
free(buf); |
| 317 |
} |
| 318 |
|
| 319 |
// Close original file |
| 320 |
close(fd); |
| 321 |
return rfd; |
| 322 |
} |
| 323 |
|
| 324 |
void close_rfork(const char *path, int fd) |
| 325 |
{ |
| 326 |
if (fd < 0) |
| 327 |
return; |
| 328 |
|
| 329 |
// Get size of temporary file |
| 330 |
struct stat st; |
| 331 |
if (fstat(fd, &st) < 0) |
| 332 |
st.st_size = 0; |
| 333 |
|
| 334 |
// Open original file |
| 335 |
int ofd = open(path, O_WRONLY); |
| 336 |
if (ofd > 0) { |
| 337 |
|
| 338 |
// Copy resource data to MACOS:RFORK attribute |
| 339 |
if (st.st_size > 0) { |
| 340 |
|
| 341 |
// Allocate buffer |
| 342 |
void *buf = malloc(st.st_size); |
| 343 |
if (buf == NULL) { |
| 344 |
close(ofd); |
| 345 |
close(fd); |
| 346 |
return; |
| 347 |
} |
| 348 |
|
| 349 |
// Copy data |
| 350 |
lseek(fd, 0, SEEK_SET); |
| 351 |
read(fd, buf, st.st_size); |
| 352 |
fs_write_attr(ofd, "MACOS:RFORK", B_RAW_TYPE, 0, buf, st.st_size); |
| 353 |
|
| 354 |
// Free buffer |
| 355 |
if (buf) |
| 356 |
free(buf); |
| 357 |
|
| 358 |
} else |
| 359 |
fs_remove_attr(ofd, "MACOS:RFORK"); |
| 360 |
|
| 361 |
// Close original file |
| 362 |
close(ofd); |
| 363 |
} |
| 364 |
|
| 365 |
// Close temporary file |
| 366 |
close(fd); |
| 367 |
} |
| 368 |
|
| 369 |
|
| 370 |
/* |
| 371 |
* Read "length" bytes from file to "buffer", |
| 372 |
* returns number of bytes read (or 0) |
| 373 |
*/ |
| 374 |
|
| 375 |
static inline ssize_t sread(int fd, void *buf, size_t count) |
| 376 |
{ |
| 377 |
ssize_t res; |
| 378 |
while ((res = read(fd, buf, count)) == B_INTERRUPTED) ; |
| 379 |
return res; |
| 380 |
} |
| 381 |
|
| 382 |
size_t extfs_read(int fd, void *buffer, size_t length) |
| 383 |
{ |
| 384 |
errno = 0; |
| 385 |
|
| 386 |
// Buffer in kernel space? |
| 387 |
size_t actual = 0; |
| 388 |
if ((uint32)buffer < 0x80000000) { |
| 389 |
|
| 390 |
// Yes, transfer via buffer |
| 391 |
while (length) { |
| 392 |
size_t transfer_size = (length > TMP_BUF_SIZE) ? TMP_BUF_SIZE : length; |
| 393 |
ssize_t res = sread(fd, tmp_buf, transfer_size); |
| 394 |
if (res >= 0) { |
| 395 |
memcpy(buffer, tmp_buf, res); |
| 396 |
buffer = (void *)((uint8 *)buffer + res); |
| 397 |
length -= res; |
| 398 |
actual += res; |
| 399 |
} |
| 400 |
if (res != transfer_size) |
| 401 |
return actual; |
| 402 |
} |
| 403 |
|
| 404 |
} else { |
| 405 |
|
| 406 |
// No, transfer directly |
| 407 |
actual = sread(fd, buffer, length); |
| 408 |
if (actual < 0) |
| 409 |
actual = 0; |
| 410 |
} |
| 411 |
return actual; |
| 412 |
} |
| 413 |
|
| 414 |
|
| 415 |
/* |
| 416 |
* Write "length" bytes from "buffer" to file, |
| 417 |
* returns number of bytes written (or 0) |
| 418 |
*/ |
| 419 |
|
| 420 |
static inline ssize_t swrite(int fd, void *buf, size_t count) |
| 421 |
{ |
| 422 |
ssize_t res; |
| 423 |
while ((res = write(fd, buf, count)) == B_INTERRUPTED) ; |
| 424 |
return res; |
| 425 |
} |
| 426 |
|
| 427 |
size_t extfs_write(int fd, void *buffer, size_t length) |
| 428 |
{ |
| 429 |
errno = 0; |
| 430 |
|
| 431 |
// Buffer in kernel space? |
| 432 |
size_t actual = 0; |
| 433 |
if ((uint32)buffer < 0x80000000) { |
| 434 |
|
| 435 |
// Yes, transfer via buffer |
| 436 |
while (length) { |
| 437 |
size_t transfer_size = (length > TMP_BUF_SIZE) ? TMP_BUF_SIZE : length; |
| 438 |
memcpy(tmp_buf, buffer, transfer_size); |
| 439 |
ssize_t res = swrite(fd, tmp_buf, transfer_size); |
| 440 |
if (res >= 0) { |
| 441 |
buffer = (void *)((uint8 *)buffer + res); |
| 442 |
length -= res; |
| 443 |
actual += res; |
| 444 |
} |
| 445 |
if (res != transfer_size) |
| 446 |
return actual; |
| 447 |
} |
| 448 |
|
| 449 |
} else { |
| 450 |
|
| 451 |
// No, transfer directly |
| 452 |
actual = swrite(fd, buffer, length); |
| 453 |
if (actual < 0) |
| 454 |
actual = 0; |
| 455 |
} |
| 456 |
return actual; |
| 457 |
} |
| 458 |
|
| 459 |
|
| 460 |
/* |
| 461 |
* Remove file/directory, returns false on error (and sets errno) |
| 462 |
*/ |
| 463 |
|
| 464 |
bool extfs_remove(const char *path) |
| 465 |
{ |
| 466 |
if (remove(path) < 0) { |
| 467 |
if (errno == EISDIR) |
| 468 |
return rmdir(path) == 0; |
| 469 |
else |
| 470 |
return false; |
| 471 |
} |
| 472 |
return true; |
| 473 |
} |
| 474 |
|
| 475 |
|
| 476 |
/* |
| 477 |
* Rename/move file/directory, returns false on error (and sets errno) |
| 478 |
*/ |
| 479 |
|
| 480 |
bool extfs_rename(const char *old_path, const char *new_path) |
| 481 |
{ |
| 482 |
return rename(old_path, new_path) == 0; |
| 483 |
} |
