| /* |
| * DOS file system functions |
| * |
| * Copyright 1993 Erik Bos |
| * Copyright 1996 Alexandre Julliard |
| */ |
| |
| #include <sys/types.h> |
| #include <ctype.h> |
| #include <dirent.h> |
| #include <fcntl.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <sys/stat.h> |
| #include <sys/ioctl.h> |
| #include <time.h> |
| #include <unistd.h> |
| #if defined(__svr4__) || defined(_SCO_DS) |
| #include <sys/statfs.h> |
| #endif |
| |
| #include "windows.h" |
| #include "winerror.h" |
| #include "dos_fs.h" |
| #include "drive.h" |
| #include "file.h" |
| #include "heap.h" |
| #include "msdos.h" |
| #include "stddebug.h" |
| #include "debug.h" |
| |
| /* Define the VFAT ioctl to get both short and long file names */ |
| #if 0 /* not working yet */ |
| #ifdef linux |
| #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, long) |
| #else /* linux */ |
| #undef VFAT_IOCTL_READDIR_BOTH /* just in case... */ |
| #endif /* linux */ |
| #endif |
| |
| /* Chars we don't want to see in DOS file names */ |
| #define INVALID_DOS_CHARS "*?<>|\"+=,;[] \345" |
| |
| static const char *DOSFS_Devices[][2] = |
| { |
| { "CON", "" }, |
| { "PRN", "" }, |
| { "NUL", "/dev/null" }, |
| { "AUX", "" }, |
| { "LPT1", "" }, |
| { "LPT2", "" }, |
| { "LPT3", "" }, |
| { "LPT4", "" }, |
| { "COM1", "" }, |
| { "COM2", "" }, |
| { "COM3", "" }, |
| { "COM4", "" } |
| }; |
| |
| #define GET_DRIVE(path) \ |
| (((path)[1] == ':') ? toupper((path)[0]) - 'A' : DOSFS_CurDrive) |
| |
| /* DOS extended error status */ |
| WORD DOS_ExtendedError; |
| BYTE DOS_ErrorClass; |
| BYTE DOS_ErrorAction; |
| BYTE DOS_ErrorLocus; |
| |
| /* Info structure for FindFirstFile handle */ |
| typedef struct |
| { |
| LPSTR path; |
| LPSTR mask; |
| int drive; |
| int skip; |
| } FIND_FIRST_INFO; |
| |
| |
| /* Directory info for DOSFS_ReadDir */ |
| typedef struct |
| { |
| DIR *dir; |
| #ifdef VFAT_IOCTL_READDIR_BOTH |
| int fd; |
| char short_name[12]; |
| struct dirent dirent[2]; |
| #endif |
| } DOS_DIR; |
| |
| |
| /*********************************************************************** |
| * DOSFS_ValidDOSName |
| * |
| * Return 1 if Unix file 'name' is also a valid MS-DOS name |
| * (i.e. contains only valid DOS chars, lower-case only, fits in 8.3 format). |
| * File name can be terminated by '\0', '\\' or '/'. |
| */ |
| static int DOSFS_ValidDOSName( const char *name, int ignore_case ) |
| { |
| static const char invalid_chars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" INVALID_DOS_CHARS; |
| const char *p = name; |
| const char *invalid = ignore_case ? (invalid_chars + 26) : invalid_chars; |
| int len = 0; |
| |
| if (*p == '.') |
| { |
| /* Check for "." and ".." */ |
| p++; |
| if (*p == '.') p++; |
| /* All other names beginning with '.' are invalid */ |
| return (IS_END_OF_NAME(*p)); |
| } |
| while (!IS_END_OF_NAME(*p)) |
| { |
| if (strchr( invalid, *p )) return 0; /* Invalid char */ |
| if (*p == '.') break; /* Start of the extension */ |
| if (++len > 8) return 0; /* Name too long */ |
| p++; |
| } |
| if (*p != '.') return 1; /* End of name */ |
| p++; |
| if (IS_END_OF_NAME(*p)) return 0; /* Empty extension not allowed */ |
| len = 0; |
| while (!IS_END_OF_NAME(*p)) |
| { |
| if (strchr( invalid, *p )) return 0; /* Invalid char */ |
| if (*p == '.') return 0; /* Second extension not allowed */ |
| if (++len > 3) return 0; /* Extension too long */ |
| p++; |
| } |
| return 1; |
| } |
| |
| |
| /*********************************************************************** |
| * DOSFS_CheckDotDot |
| * |
| * Remove all '.' and '..' at the beginning of 'name'. |
| */ |
| static const char * DOSFS_CheckDotDot( const char *name, char *buffer, |
| char sep , int *len ) |
| { |
| char *p = buffer + strlen(buffer); |
| |
| while (*name == '.') |
| { |
| if (IS_END_OF_NAME(name[1])) |
| { |
| name++; |
| while ((*name == '\\') || (*name == '/')) name++; |
| } |
| else if ((name[1] == '.') && IS_END_OF_NAME(name[2])) |
| { |
| name += 2; |
| while ((*name == '\\') || (*name == '/')) name++; |
| while ((p > buffer) && (*p != sep)) { p--; (*len)++; } |
| *p = '\0'; /* Remove trailing separator */ |
| } |
| else break; |
| } |
| return name; |
| } |
| |
| |
| /*********************************************************************** |
| * DOSFS_ToDosFCBFormat |
| * |
| * Convert a file name to DOS FCB format (8+3 chars, padded with blanks), |
| * expanding wild cards and converting to upper-case in the process. |
| * File name can be terminated by '\0', '\\' or '/'. |
| * Return NULL if the name is not a valid DOS name. |
| */ |
| const char *DOSFS_ToDosFCBFormat( const char *name ) |
| { |
| static const char invalid_chars[] = INVALID_DOS_CHARS; |
| static char buffer[12]; |
| const char *p = name; |
| int i; |
| |
| /* Check for "." and ".." */ |
| if (*p == '.') |
| { |
| p++; |
| strcpy( buffer, ". " ); |
| if (*p == '.') |
| { |
| buffer[1] = '.'; |
| p++; |
| } |
| return (!*p || (*p == '/') || (*p == '\\')) ? buffer : NULL; |
| } |
| |
| for (i = 0; i < 8; i++) |
| { |
| switch(*p) |
| { |
| case '\0': |
| case '\\': |
| case '/': |
| case '.': |
| buffer[i] = ' '; |
| break; |
| case '?': |
| p++; |
| /* fall through */ |
| case '*': |
| buffer[i] = '?'; |
| break; |
| default: |
| if (strchr( invalid_chars, *p )) return NULL; |
| buffer[i] = toupper(*p); |
| p++; |
| break; |
| } |
| } |
| |
| if (*p == '*') |
| { |
| /* Skip all chars after wildcard up to first dot */ |
| while (*p && (*p != '/') && (*p != '\\') && (*p != '.')) p++; |
| } |
| else |
| { |
| /* Check if name too long */ |
| if (*p && (*p != '/') && (*p != '\\') && (*p != '.')) return NULL; |
| } |
| if (*p == '.') p++; /* Skip dot */ |
| |
| for (i = 8; i < 11; i++) |
| { |
| switch(*p) |
| { |
| case '\0': |
| case '\\': |
| case '/': |
| buffer[i] = ' '; |
| break; |
| case '.': |
| return NULL; /* Second extension not allowed */ |
| case '?': |
| p++; |
| /* fall through */ |
| case '*': |
| buffer[i] = '?'; |
| break; |
| default: |
| if (strchr( invalid_chars, *p )) return NULL; |
| buffer[i] = toupper(*p); |
| p++; |
| break; |
| } |
| } |
| buffer[11] = '\0'; |
| return buffer; |
| } |
| |
| |
| /*********************************************************************** |
| * DOSFS_ToDosDTAFormat |
| * |
| * Convert a file name from FCB to DTA format (name.ext, null-terminated) |
| * converting to upper-case in the process. |
| * File name can be terminated by '\0', '\\' or '/'. |
| * Return NULL if the name is not a valid DOS name. |
| */ |
| const char *DOSFS_ToDosDTAFormat( const char *name ) |
| { |
| static char buffer[13]; |
| char *p; |
| |
| memcpy( buffer, name, 8 ); |
| for (p = buffer + 8; (p > buffer) && (p[-1] == ' '); p--); |
| *p++ = '.'; |
| memcpy( p, name + 8, 3 ); |
| for (p += 3; p[-1] == ' '; p--); |
| if (p[-1] == '.') p--; |
| *p = '\0'; |
| return buffer; |
| } |
| |
| |
| /*********************************************************************** |
| * DOSFS_MatchShort |
| * |
| * Check a DOS file name against a mask (both in FCB format). |
| */ |
| static int DOSFS_MatchShort( const char *mask, const char *name ) |
| { |
| int i; |
| for (i = 11; i > 0; i--, mask++, name++) |
| if ((*mask != '?') && (*mask != *name)) return 0; |
| return 1; |
| } |
| |
| |
| /*********************************************************************** |
| * DOSFS_MatchLong |
| * |
| * Check a long file name against a mask. |
| */ |
| static int DOSFS_MatchLong( const char *mask, const char *name, |
| int case_sensitive ) |
| { |
| if (!strcmp( mask, "*.*" )) return 1; |
| while (*name && *mask) |
| { |
| if (*mask == '*') |
| { |
| mask++; |
| while (*mask == '*') mask++; /* Skip consecutive '*' */ |
| if (!*mask) return 1; |
| if (case_sensitive) while (*name && (*name != *mask)) name++; |
| else while (*name && (toupper(*name) != toupper(*mask))) name++; |
| if (!*name) return 0; |
| } |
| else if (*mask != '?') |
| { |
| if (case_sensitive) |
| { |
| if (*mask != *name) return 0; |
| } |
| else if (toupper(*mask) != toupper(*name)) return 0; |
| } |
| mask++; |
| name++; |
| } |
| return (!*name && !*mask); |
| } |
| |
| |
| /*********************************************************************** |
| * DOSFS_OpenDir |
| */ |
| static DOS_DIR *DOSFS_OpenDir( LPCSTR path ) |
| { |
| DOS_DIR *dir = HeapAlloc( SystemHeap, 0, sizeof(*dir) ); |
| if (!dir) |
| { |
| DOS_ERROR( ER_OutOfMemory, EC_OutOfResource, SA_Abort, EL_Memory ); |
| return NULL; |
| } |
| |
| #ifdef VFAT_IOCTL_READDIR_BOTH |
| |
| /* Check if the VFAT ioctl is supported on this directory */ |
| |
| if ((dir->fd = open( path, O_RDONLY )) != -1) |
| { |
| if (ioctl( dir->fd, VFAT_IOCTL_READDIR_BOTH, (long)dir->dirent ) == -1) |
| { |
| close( dir->fd ); |
| dir->fd = -1; |
| } |
| else |
| { |
| /* Set the file pointer back at the start of the directory */ |
| lseek( dir->fd, 0, SEEK_SET ); |
| dir->dir = NULL; |
| return dir; |
| } |
| } |
| #endif /* VFAT_IOCTL_READDIR_BOTH */ |
| |
| /* Now use the standard opendir/readdir interface */ |
| |
| if (!(dir->dir = opendir( path ))) |
| { |
| HeapFree( SystemHeap, 0, dir ); |
| return NULL; |
| } |
| return dir; |
| } |
| |
| |
| /*********************************************************************** |
| * DOSFS_CloseDir |
| */ |
| static void DOSFS_CloseDir( DOS_DIR *dir ) |
| { |
| #ifdef VFAT_IOCTL_READDIR_BOTH |
| if (dir->fd != -1) close( dir->fd ); |
| #endif /* VFAT_IOCTL_READDIR_BOTH */ |
| if (dir->dir) closedir( dir->dir ); |
| HeapFree( SystemHeap, 0, dir ); |
| } |
| |
| |
| /*********************************************************************** |
| * DOSFS_ReadDir |
| */ |
| static BOOL32 DOSFS_ReadDir( DOS_DIR *dir, LPCSTR *long_name, |
| LPCSTR *short_name ) |
| { |
| struct dirent *dirent; |
| |
| #ifdef VFAT_IOCTL_READDIR_BOTH |
| if (dir->fd != -1) |
| { |
| LPCSTR fcb_name; |
| if (ioctl( dir->fd, VFAT_IOCTL_READDIR_BOTH, (long)dir->dirent ) == -1) |
| return FALSE; |
| if (!dir->dirent[0].d_reclen) return FALSE; |
| fcb_name = DOSFS_ToDosFCBFormat( dir->dirent[0].d_name ); |
| if (fcb_name) strcpy( dir->short_name, fcb_name ); |
| else dir->short_name[0] = '\0'; |
| *short_name = dir->short_name; |
| if (dir->dirent[1].d_name[0]) *long_name = dir->dirent[1].d_name; |
| else *long_name = dir->dirent[0].d_name; |
| return TRUE; |
| } |
| #endif /* VFAT_IOCTL_READDIR_BOTH */ |
| |
| if (!(dirent = readdir( dir->dir ))) return FALSE; |
| *long_name = dirent->d_name; |
| *short_name = NULL; |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * DOSFS_ToDosDateTime |
| * |
| * Convert a Unix time in the DOS date/time format. |
| */ |
| void DOSFS_ToDosDateTime( time_t unixtime, WORD *pDate, WORD *pTime ) |
| { |
| struct tm *tm = localtime( &unixtime ); |
| if (pTime) |
| *pTime = (tm->tm_hour << 11) + (tm->tm_min << 5) + (tm->tm_sec / 2); |
| if (pDate) |
| *pDate = ((tm->tm_year - 80) << 9) + ((tm->tm_mon + 1) << 5) |
| + tm->tm_mday; |
| } |
| |
| /*********************************************************************** |
| * DOSFS_DosDateTimeToUnixTime |
| * |
| * Convert from the DOS (FAT) date/time format into Unix time |
| * (borrowed from files/file.c) |
| */ |
| time_t DOSFS_DosDateTimeToUnixTime( WORD date, WORD time ) |
| { |
| struct tm newtm; |
| |
| newtm.tm_sec = (time & 0x1f) * 2; |
| newtm.tm_min = (time >> 5) & 0x3f; |
| newtm.tm_hour = (time >> 11); |
| newtm.tm_mday = (date & 0x1f); |
| newtm.tm_mon = ((date >> 5) & 0x0f) - 1; |
| newtm.tm_year = (date >> 9) + 80; |
| return mktime( &newtm ); |
| } |
| |
| |
| /*********************************************************************** |
| * DOSFS_UnixTimeToFileTime |
| * |
| * Convert a Unix time to FILETIME format. |
| */ |
| void DOSFS_UnixTimeToFileTime( time_t unixtime, FILETIME *filetime ) |
| { |
| /* FIXME :-) */ |
| filetime->dwLowDateTime = unixtime; |
| filetime->dwHighDateTime = 0; |
| } |
| |
| |
| /*********************************************************************** |
| * DOSFS_FileTimeToUnixTime |
| * |
| * Convert a FILETIME format to Unix time. |
| */ |
| time_t DOSFS_FileTimeToUnixTime( const FILETIME *filetime ) |
| { |
| /* FIXME :-) */ |
| return filetime->dwLowDateTime; |
| } |
| |
| |
| /*********************************************************************** |
| * DOSFS_Hash |
| * |
| * Transform a Unix file name into a hashed DOS name. If the name is a valid |
| * DOS name, it is converted to upper-case; otherwise it is replaced by a |
| * hashed version that fits in 8.3 format. |
| * File name can be terminated by '\0', '\\' or '/'. |
| */ |
| static const char *DOSFS_Hash( const char *name, int dir_format, |
| int ignore_case ) |
| { |
| static const char invalid_chars[] = INVALID_DOS_CHARS "~."; |
| static const char hash_chars[32] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345"; |
| |
| static char buffer[13]; |
| const char *p, *ext; |
| char *dst; |
| unsigned short hash; |
| int i; |
| |
| if (dir_format) strcpy( buffer, " " ); |
| |
| if (DOSFS_ValidDOSName( name, ignore_case )) |
| { |
| /* Check for '.' and '..' */ |
| if (*name == '.') |
| { |
| buffer[0] = '.'; |
| if (!dir_format) buffer[1] = buffer[2] = '\0'; |
| if (name[1] == '.') buffer[1] = '.'; |
| return buffer; |
| } |
| |
| /* Simply copy the name, converting to uppercase */ |
| |
| for (dst = buffer; !IS_END_OF_NAME(*name) && (*name != '.'); name++) |
| *dst++ = toupper(*name); |
| if (*name == '.') |
| { |
| if (dir_format) dst = buffer + 8; |
| else *dst++ = '.'; |
| for (name++; !IS_END_OF_NAME(*name); name++) |
| *dst++ = toupper(*name); |
| } |
| if (!dir_format) *dst = '\0'; |
| } |
| else |
| { |
| /* Compute the hash code of the file name */ |
| /* If you know something about hash functions, feel free to */ |
| /* insert a better algorithm here... */ |
| if (ignore_case) |
| { |
| for (p = name, hash = 0xbeef; !IS_END_OF_NAME(p[1]); p++) |
| hash = (hash << 3) ^ (hash >> 5) ^ tolower(*p) ^ (tolower(p[1]) << 8); |
| hash = (hash << 3) ^ (hash >> 5) ^ tolower(*p); /* Last character*/ |
| } |
| else |
| { |
| for (p = name, hash = 0xbeef; !IS_END_OF_NAME(p[1]); p++) |
| hash = (hash << 3) ^ (hash >> 5) ^ *p ^ (p[1] << 8); |
| hash = (hash << 3) ^ (hash >> 5) ^ *p; /* Last character */ |
| } |
| |
| /* Find last dot for start of the extension */ |
| for (p = name+1, ext = NULL; !IS_END_OF_NAME(*p); p++) |
| if (*p == '.') ext = p; |
| if (ext && IS_END_OF_NAME(ext[1])) |
| ext = NULL; /* Empty extension ignored */ |
| |
| /* Copy first 4 chars, replacing invalid chars with '_' */ |
| for (i = 4, p = name, dst = buffer; i > 0; i--, p++) |
| { |
| if (IS_END_OF_NAME(*p) || (p == ext)) break; |
| *dst++ = strchr( invalid_chars, *p ) ? '_' : toupper(*p); |
| } |
| /* Pad to 5 chars with '~' */ |
| while (i-- >= 0) *dst++ = '~'; |
| |
| /* Insert hash code converted to 3 ASCII chars */ |
| *dst++ = hash_chars[(hash >> 10) & 0x1f]; |
| *dst++ = hash_chars[(hash >> 5) & 0x1f]; |
| *dst++ = hash_chars[hash & 0x1f]; |
| |
| /* Copy the first 3 chars of the extension (if any) */ |
| if (ext) |
| { |
| if (!dir_format) *dst++ = '.'; |
| for (i = 3, ext++; (i > 0) && !IS_END_OF_NAME(*ext); i--, ext++) |
| *dst++ = strchr( invalid_chars, *ext ) ? '_' : toupper(*ext); |
| } |
| if (!dir_format) *dst = '\0'; |
| } |
| return buffer; |
| } |
| |
| |
| /*********************************************************************** |
| * DOSFS_FindUnixName |
| * |
| * Find the Unix file name in a given directory that corresponds to |
| * a file name (either in Unix or DOS format). |
| * File name can be terminated by '\0', '\\' or '/'. |
| * Return 1 if OK, 0 if no file name matches. |
| */ |
| BOOL32 DOSFS_FindUnixName( const char *path, const char *name, |
| char *buffer, int maxlen, UINT32 drive_flags ) |
| { |
| DOS_DIR *dir; |
| LPCSTR long_name, short_name; |
| char dos_name[12]; |
| BOOL32 ret; |
| |
| const char *p = strchr( name, '/' ); |
| int len = p ? (int)(p - name) : strlen(name); |
| |
| dprintf_dosfs( stddeb, "DOSFS_FindUnixName: %s,%s\n", path, name ); |
| |
| if ((p = strchr( name, '\\' ))) len = MIN( (int)(p - name), len ); |
| |
| dos_name[0] = '\0'; |
| if ((p = DOSFS_ToDosFCBFormat( name ))) strcpy( dos_name, p ); |
| |
| if (!(dir = DOSFS_OpenDir( path ))) |
| { |
| dprintf_dosfs( stddeb, "DOSFS_FindUnixName(%s,%s): can't open dir\n", |
| path, name ); |
| return 0; |
| } |
| |
| while ((ret = DOSFS_ReadDir( dir, &long_name, &short_name ))) |
| { |
| /* Check against Unix name */ |
| if (len == strlen(long_name)) |
| { |
| if (drive_flags & DRIVE_CASE_SENSITIVE) |
| { |
| if (!lstrncmp32A( long_name, name, len )) break; |
| } |
| else |
| { |
| if (!lstrncmpi32A( long_name, name, len )) break; |
| } |
| } |
| if (dos_name[0]) |
| { |
| /* Check against hashed DOS name */ |
| if (!short_name) |
| short_name = DOSFS_Hash( long_name, TRUE, |
| !(drive_flags & DRIVE_CASE_SENSITIVE) ); |
| if (!strcmp( dos_name, short_name )) break; |
| } |
| } |
| if (ret && buffer) lstrcpyn32A( buffer, long_name, maxlen ); |
| dprintf_dosfs( stddeb, "DOSFS_FindUnixName(%s,%s) -> %s\n", |
| path, name, ret ? long_name : "** Not found **" ); |
| DOSFS_CloseDir( dir ); |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * DOSFS_IsDevice |
| * |
| * Check if a DOS file name represents a DOS device. Returns the name |
| * of the associated Unix device, or NULL if not found. |
| */ |
| const char *DOSFS_IsDevice( const char *name ) |
| { |
| int i; |
| const char *p; |
| |
| if (name[0] && (name[1] == ':')) name += 2; |
| if ((p = strrchr( name, '/' ))) name = p + 1; |
| if ((p = strrchr( name, '\\' ))) name = p + 1; |
| for (i = 0; i < sizeof(DOSFS_Devices)/sizeof(DOSFS_Devices[0]); i++) |
| { |
| const char *dev = DOSFS_Devices[i][0]; |
| if (!lstrncmpi32A( dev, name, strlen(dev) )) |
| { |
| p = name + strlen( dev ); |
| if (!*p || (*p == '.')) return DOSFS_Devices[i][1]; |
| } |
| } |
| return NULL; |
| } |
| |
| /*********************************************************************** |
| * DOSFS_GetPathDrive |
| * |
| * Get the drive specified by a given path name (DOS or Unix format). |
| */ |
| static int DOSFS_GetPathDrive( const char **name ) |
| { |
| int drive; |
| const char *p = *name; |
| |
| if (*p && (p[1] == ':')) |
| { |
| drive = toupper(*p) - 'A'; |
| *name += 2; |
| } |
| else if (*p == '/') /* Absolute Unix path? */ |
| { |
| if ((drive = DRIVE_FindDriveRoot( name )) == -1) |
| { |
| fprintf( stderr, "Warning: %s not accessible from a DOS drive\n", |
| *name ); |
| /* Assume it really was a DOS name */ |
| drive = DRIVE_GetCurrentDrive(); |
| } |
| } |
| else drive = DRIVE_GetCurrentDrive(); |
| |
| if (!DRIVE_IsValid(drive)) |
| { |
| DOS_ERROR( ER_InvalidDrive, EC_MediaError, SA_Abort, EL_Disk ); |
| return -1; |
| } |
| return drive; |
| } |
| |
| |
| /*********************************************************************** |
| * DOSFS_GetUnixFileName |
| * |
| * Convert a file name (DOS or mixed DOS/Unix format) to a valid Unix name. |
| * Return NULL if one of the path components does not exist. The last path |
| * component is only checked if 'check_last' is non-zero. |
| */ |
| const char * DOSFS_GetUnixFileName( const char * name, int check_last ) |
| { |
| static char buffer[MAX_PATHNAME_LEN]; |
| int drive, len; |
| BOOL32 found; |
| UINT32 flags; |
| char *p, *root; |
| |
| dprintf_dosfs( stddeb, "DOSFS_GetUnixFileName: %s\n", name ); |
| |
| if ((drive = DOSFS_GetPathDrive( &name )) == -1) return NULL; |
| flags = DRIVE_GetFlags(drive); |
| lstrcpyn32A( buffer, DRIVE_GetRoot(drive), MAX_PATHNAME_LEN ); |
| if (buffer[1]) root = buffer + strlen(buffer); |
| else root = buffer; /* root directory */ |
| |
| if ((*name == '\\') || (*name == '/')) |
| { |
| while ((*name == '\\') || (*name == '/')) name++; |
| } |
| else |
| { |
| lstrcpyn32A( root + 1, DRIVE_GetUnixCwd(drive), |
| MAX_PATHNAME_LEN - (int)(root - buffer) - 1 ); |
| if (root[1]) *root = '/'; |
| } |
| |
| p = buffer[1] ? buffer + strlen(buffer) : buffer; |
| len = MAX_PATHNAME_LEN - strlen(buffer); |
| found = TRUE; |
| while (*name && found) |
| { |
| const char *newname = DOSFS_CheckDotDot( name, root, '/', &len ); |
| if (newname != name) |
| { |
| p = root + strlen(root); |
| name = newname; |
| continue; |
| } |
| if (len <= 1) |
| { |
| DOS_ERROR( ER_PathNotFound, EC_NotFound, SA_Abort, EL_Disk ); |
| return NULL; |
| } |
| if ((found = DOSFS_FindUnixName( buffer, name, p+1, len-1, flags ))) |
| { |
| *p = '/'; |
| len -= strlen(p); |
| p += strlen(p); |
| while (!IS_END_OF_NAME(*name)) name++; |
| } |
| else if (!check_last) |
| { |
| *p++ = '/'; |
| for (len--; !IS_END_OF_NAME(*name) && (len > 1); name++, len--) |
| *p++ = tolower(*name); |
| *p = '\0'; |
| } |
| while ((*name == '\\') || (*name == '/')) name++; |
| } |
| if (!found) |
| { |
| if (check_last) |
| { |
| DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk ); |
| return NULL; |
| } |
| if (*name) /* Not last */ |
| { |
| DOS_ERROR( ER_PathNotFound, EC_NotFound, SA_Abort, EL_Disk ); |
| return NULL; |
| } |
| } |
| if (!buffer[0]) strcpy( buffer, "/" ); |
| dprintf_dosfs( stddeb, "DOSFS_GetUnixFileName: returning %s\n", buffer ); |
| return buffer; |
| } |
| |
| |
| /*********************************************************************** |
| * DOSFS_GetDosTrueName |
| * |
| * Convert a file name (DOS or Unix format) to a complete DOS name. |
| * Return NULL if the path name is invalid or too long. |
| * The unix_format flag is a hint that the file name is in Unix format. |
| */ |
| const char * DOSFS_GetDosTrueName( const char *name, int unix_format ) |
| { |
| static char buffer[MAX_PATHNAME_LEN]; |
| int drive, len; |
| UINT32 flags; |
| char *p; |
| |
| dprintf_dosfs( stddeb, "DOSFS_GetDosTrueName(%s,%d)\n", name, unix_format); |
| |
| if ((drive = DOSFS_GetPathDrive( &name )) == -1) return NULL; |
| p = buffer; |
| *p++ = 'A' + drive; |
| *p++ = ':'; |
| if (IS_END_OF_NAME(*name)) |
| { |
| while ((*name == '\\') || (*name == '/')) name++; |
| } |
| else |
| { |
| *p++ = '\\'; |
| lstrcpyn32A( p, DRIVE_GetDosCwd(drive), sizeof(buffer) - 3 ); |
| if (*p) p += strlen(p); else p--; |
| } |
| *p = '\0'; |
| len = MAX_PATHNAME_LEN - (int)(p - buffer); |
| flags = DRIVE_GetFlags(drive); |
| |
| while (*name) |
| { |
| const char *newname = DOSFS_CheckDotDot( name, buffer+2, '\\', &len ); |
| if (newname != name) |
| { |
| p = buffer + strlen(buffer); |
| name = newname; |
| continue; |
| } |
| if (len <= 1) |
| { |
| DOS_ERROR( ER_PathNotFound, EC_NotFound, SA_Abort, EL_Disk ); |
| return NULL; |
| } |
| *p++ = '\\'; |
| if (unix_format) /* Hash it into a DOS name */ |
| { |
| lstrcpyn32A( p, DOSFS_Hash( name, FALSE, |
| !(flags & DRIVE_CASE_SENSITIVE) ), |
| len ); |
| len -= strlen(p); |
| p += strlen(p); |
| while (!IS_END_OF_NAME(*name)) name++; |
| } |
| else /* Already DOS format, simply upper-case it */ |
| { |
| while (!IS_END_OF_NAME(*name) && (len > 1)) |
| { |
| *p++ = toupper(*name); |
| name++; |
| len--; |
| } |
| *p = '\0'; |
| } |
| while ((*name == '\\') || (*name == '/')) name++; |
| } |
| if (!buffer[2]) |
| { |
| buffer[2] = '\\'; |
| buffer[3] = '\0'; |
| } |
| dprintf_dosfs( stddeb, "DOSFS_GetDosTrueName: returning %s\n", buffer ); |
| return buffer; |
| } |
| |
| |
| /*********************************************************************** |
| * DOSFS_FindNext |
| * |
| * Find the next matching file. Return the number of entries read to find |
| * the matching one, or 0 if no more entries. |
| * 'short_mask' is the 8.3 mask (in FCB format), 'long_mask' is the long |
| * file name mask. Either or both can be NULL. |
| */ |
| int DOSFS_FindNext( const char *path, const char *short_mask, |
| const char *long_mask, int drive, BYTE attr, |
| int skip, WIN32_FIND_DATA32A *entry ) |
| { |
| static DOS_DIR *dir = NULL; |
| int count = 0; |
| static char buffer[MAX_PATHNAME_LEN]; |
| static int cur_pos = 0; |
| static int drive_root = 0; |
| char *p; |
| LPCSTR long_name, short_name; |
| UINT32 flags; |
| BY_HANDLE_FILE_INFORMATION info; |
| |
| if ((attr & ~(FA_UNUSED | FA_ARCHIVE | FA_RDONLY)) == FA_LABEL) |
| { |
| if (skip) return 0; |
| entry->dwFileAttributes = FILE_ATTRIBUTE_LABEL; |
| DOSFS_UnixTimeToFileTime( (time_t)0, &entry->ftCreationTime ); |
| DOSFS_UnixTimeToFileTime( (time_t)0, &entry->ftLastAccessTime ); |
| DOSFS_UnixTimeToFileTime( (time_t)0, &entry->ftLastWriteTime ); |
| entry->nFileSizeHigh = 0; |
| entry->nFileSizeLow = 0; |
| entry->dwReserved0 = 0; |
| entry->dwReserved1 = 0; |
| strcpy( entry->cFileName, |
| DOSFS_ToDosDTAFormat( DRIVE_GetLabel( drive )) ); |
| strcpy( entry->cAlternateFileName, entry->cFileName ); |
| return 1; |
| } |
| |
| /* Check the cached directory */ |
| if (dir && !strcmp( buffer, path ) && (cur_pos <= skip)) skip -= cur_pos; |
| else /* Not in the cache, open it anew */ |
| { |
| const char *drive_path; |
| dprintf_dosfs( stddeb, "DOSFS_FindNext: cache miss, path=%s skip=%d buf=%s cur=%d\n", |
| path, skip, buffer, cur_pos ); |
| cur_pos = skip; |
| if (dir) DOSFS_CloseDir(dir); |
| if (!*path) path = "/"; |
| if (!(dir = DOSFS_OpenDir(path))) return 0; |
| drive_path = path; |
| drive_root = 0; |
| if (DRIVE_FindDriveRoot( &drive_path ) != -1) |
| { |
| while ((*drive_path == '/') || (*drive_path == '\\')) drive_path++; |
| if (!*drive_path) drive_root = 1; |
| } |
| dprintf_dosfs(stddeb, "DOSFS_FindNext: drive_root = %d\n", drive_root); |
| lstrcpyn32A( buffer, path, sizeof(buffer) - 1 ); |
| |
| } |
| strcat( buffer, "/" ); |
| p = buffer + strlen(buffer); |
| attr |= FA_UNUSED | FA_ARCHIVE | FA_RDONLY; |
| flags = DRIVE_GetFlags( drive ); |
| |
| while (DOSFS_ReadDir( dir, &long_name, &short_name )) |
| { |
| if (skip-- > 0) continue; |
| count++; |
| |
| /* Don't return '.' and '..' in the root of the drive */ |
| if (drive_root && (long_name[0] == '.') && |
| (!long_name[1] || ((long_name[1] == '.') && !long_name[2]))) |
| continue; |
| |
| /* Check the long mask */ |
| |
| if (long_mask) |
| { |
| if (!DOSFS_MatchLong( long_mask, long_name, |
| flags & DRIVE_CASE_SENSITIVE )) continue; |
| } |
| |
| /* Check the short mask */ |
| |
| if (short_mask) |
| { |
| if (!short_name) |
| short_name = DOSFS_Hash( long_name, TRUE, |
| !(flags & DRIVE_CASE_SENSITIVE) ); |
| if (!DOSFS_MatchShort( short_mask, short_name )) continue; |
| } |
| |
| /* Check the file attributes */ |
| |
| lstrcpyn32A( p, long_name, sizeof(buffer) - (int)(p - buffer) ); |
| if (!FILE_Stat( buffer, &info )) |
| { |
| fprintf( stderr, "DOSFS_FindNext: can't stat %s\n", buffer ); |
| continue; |
| } |
| if (info.dwFileAttributes & ~attr) continue; |
| |
| /* We now have a matching entry; fill the result and return */ |
| |
| if (!short_name) |
| short_name = DOSFS_Hash( long_name, TRUE, |
| !(flags & DRIVE_CASE_SENSITIVE) ); |
| |
| entry->dwFileAttributes = info.dwFileAttributes; |
| entry->ftCreationTime = info.ftCreationTime; |
| entry->ftLastAccessTime = info.ftLastAccessTime; |
| entry->ftLastWriteTime = info.ftLastWriteTime; |
| entry->nFileSizeHigh = info.nFileSizeHigh; |
| entry->nFileSizeLow = info.nFileSizeLow; |
| strcpy( entry->cAlternateFileName, DOSFS_ToDosDTAFormat(short_name) ); |
| lstrcpyn32A( entry->cFileName, long_name, sizeof(entry->cFileName) ); |
| if (!(flags & DRIVE_CASE_PRESERVING)) AnsiLower( entry->cFileName ); |
| dprintf_dosfs( stddeb, "DOSFS_FindNext: returning %s (%s) %02lx %ld\n", |
| entry->cFileName, entry->cAlternateFileName, |
| entry->dwFileAttributes, entry->nFileSizeLow ); |
| cur_pos += count; |
| p[-1] = '\0'; /* Remove trailing slash in buffer */ |
| return count; |
| } |
| DOSFS_CloseDir( dir ); |
| dir = NULL; |
| return 0; /* End of directory */ |
| } |
| |
| |
| /************************************************************************* |
| * FindFirstFile16 (KERNEL.413) |
| */ |
| HANDLE16 FindFirstFile16( LPCSTR path, WIN32_FIND_DATA32A *data ) |
| { |
| HGLOBAL16 handle; |
| FIND_FIRST_INFO *info; |
| LPCSTR ptr; |
| |
| if (!path) return 0; |
| if (!(ptr = DOSFS_GetUnixFileName( path, FALSE ))) |
| return INVALID_HANDLE_VALUE16; |
| if (!(handle = GlobalAlloc16( GMEM_MOVEABLE, sizeof(FIND_FIRST_INFO) ))) |
| return INVALID_HANDLE_VALUE16; |
| info = (FIND_FIRST_INFO *)GlobalLock16( handle ); |
| info->path = HEAP_strdupA( SystemHeap, 0, ptr ); |
| info->mask = strrchr( info->path, '/' ); |
| *(info->mask++) = '\0'; |
| if (path[0] && (path[1] == ':')) info->drive = toupper(*path) - 'A'; |
| else info->drive = DRIVE_GetCurrentDrive(); |
| info->skip = 0; |
| GlobalUnlock16( handle ); |
| if (!FindNextFile16( handle, data )) |
| { |
| FindClose16( handle ); |
| DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Disk ); |
| return INVALID_HANDLE_VALUE16; |
| } |
| return handle; |
| } |
| |
| |
| /************************************************************************* |
| * FindFirstFile32A (KERNEL32.123) |
| */ |
| HANDLE32 FindFirstFile32A( LPCSTR path, WIN32_FIND_DATA32A *data ) |
| { |
| HANDLE32 handle = FindFirstFile16( path, data ); |
| if (handle == INVALID_HANDLE_VALUE16) return INVALID_HANDLE_VALUE32; |
| return handle; |
| } |
| |
| |
| /************************************************************************* |
| * FindFirstFile32W (KERNEL32.124) |
| */ |
| HANDLE32 FindFirstFile32W( LPCWSTR path, WIN32_FIND_DATA32W *data ) |
| { |
| WIN32_FIND_DATA32A dataA; |
| LPSTR pathA = HEAP_strdupWtoA( GetProcessHeap(), 0, path ); |
| HANDLE32 handle = FindFirstFile32A( pathA, &dataA ); |
| HeapFree( GetProcessHeap(), 0, pathA ); |
| if (handle != INVALID_HANDLE_VALUE32) |
| { |
| data->dwFileAttributes = dataA.dwFileAttributes; |
| data->ftCreationTime = dataA.ftCreationTime; |
| data->ftLastAccessTime = dataA.ftLastAccessTime; |
| data->ftLastWriteTime = dataA.ftLastWriteTime; |
| data->nFileSizeHigh = dataA.nFileSizeHigh; |
| data->nFileSizeLow = dataA.nFileSizeLow; |
| lstrcpyAtoW( data->cFileName, dataA.cFileName ); |
| lstrcpyAtoW( data->cAlternateFileName, dataA.cAlternateFileName ); |
| } |
| return handle; |
| } |
| |
| |
| /************************************************************************* |
| * FindNextFile16 (KERNEL.414) |
| */ |
| BOOL16 FindNextFile16( HANDLE16 handle, WIN32_FIND_DATA32A *data ) |
| { |
| FIND_FIRST_INFO *info; |
| int count; |
| |
| if (!(info = (FIND_FIRST_INFO *)GlobalLock16( handle ))) |
| { |
| DOS_ERROR( ER_InvalidHandle, EC_ProgramError, SA_Abort, EL_Disk ); |
| return FALSE; |
| } |
| GlobalUnlock16( handle ); |
| if (!info->path) |
| { |
| DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Disk ); |
| return FALSE; |
| } |
| if (!(count = DOSFS_FindNext( info->path, NULL, info->mask, info->drive, |
| 0xff, info->skip, data ))) |
| { |
| HeapFree( SystemHeap, 0, info->path ); |
| info->path = info->mask = NULL; |
| DOS_ERROR( ER_NoMoreFiles, EC_MediaError, SA_Abort, EL_Disk ); |
| return FALSE; |
| } |
| info->skip += count; |
| return TRUE; |
| } |
| |
| |
| /************************************************************************* |
| * FindNextFile32A (KERNEL32.126) |
| */ |
| BOOL32 FindNextFile32A( HANDLE32 handle, WIN32_FIND_DATA32A *data ) |
| { |
| return FindNextFile16( handle, data ); |
| } |
| |
| |
| /************************************************************************* |
| * FindNextFile32W (KERNEL32.127) |
| */ |
| BOOL32 FindNextFile32W( HANDLE32 handle, WIN32_FIND_DATA32W *data ) |
| { |
| WIN32_FIND_DATA32A dataA; |
| if (!FindNextFile32A( handle, &dataA )) return FALSE; |
| data->dwFileAttributes = dataA.dwFileAttributes; |
| data->ftCreationTime = dataA.ftCreationTime; |
| data->ftLastAccessTime = dataA.ftLastAccessTime; |
| data->ftLastWriteTime = dataA.ftLastWriteTime; |
| data->nFileSizeHigh = dataA.nFileSizeHigh; |
| data->nFileSizeLow = dataA.nFileSizeLow; |
| lstrcpyAtoW( data->cFileName, dataA.cFileName ); |
| lstrcpyAtoW( data->cAlternateFileName, dataA.cAlternateFileName ); |
| return TRUE; |
| } |
| |
| |
| /************************************************************************* |
| * FindClose16 (KERNEL.415) |
| */ |
| BOOL16 FindClose16( HANDLE16 handle ) |
| { |
| FIND_FIRST_INFO *info; |
| |
| if ((handle == INVALID_HANDLE_VALUE16) || |
| !(info = (FIND_FIRST_INFO *)GlobalLock16( handle ))) |
| { |
| DOS_ERROR( ER_InvalidHandle, EC_ProgramError, SA_Abort, EL_Disk ); |
| return FALSE; |
| } |
| if (info->path) HeapFree( SystemHeap, 0, info->path ); |
| GlobalUnlock16( handle ); |
| GlobalFree16( handle ); |
| return TRUE; |
| } |
| |
| |
| /************************************************************************* |
| * FindClose32 (KERNEL32.119) |
| */ |
| BOOL32 FindClose32( HANDLE32 handle ) |
| { |
| return FindClose16( (HANDLE16)handle ); |
| } |
| |
| |
| /*********************************************************************** |
| * GetShortPathName32A (KERNEL32.271) |
| */ |
| DWORD GetShortPathName32A( LPCSTR longpath, LPSTR shortpath, DWORD shortlen ) |
| { |
| LPCSTR dostruename; |
| |
| dprintf_dosfs( stddeb, "GetShortPathName32A(%s,%p,%ld)\n", |
| longpath, shortpath, shortlen ); |
| |
| dostruename = DOSFS_GetDosTrueName( longpath, TRUE ); |
| lstrcpyn32A( shortpath, dostruename, shortlen ); |
| return strlen(dostruename); |
| } |
| |
| |
| /*********************************************************************** |
| * GetShortPathNameW (KERNEL32.272) |
| */ |
| DWORD GetShortPathName32W( LPCWSTR longpath, LPWSTR shortpath, DWORD shortlen ) |
| { |
| LPSTR longpatha = HEAP_strdupWtoA( GetProcessHeap(), 0, longpath ); |
| LPCSTR dostruename = DOSFS_GetDosTrueName( longpatha, TRUE ); |
| HeapFree( GetProcessHeap(), 0, longpatha ); |
| lstrcpynAtoW( shortpath, dostruename, shortlen ); |
| return strlen(dostruename); |
| } |
| |
| |
| /*********************************************************************** |
| * GetFullPathNameA (KERNEL32.272) |
| */ |
| DWORD GetFullPathName32A( LPCSTR fn, DWORD buflen, LPSTR buf, LPSTR *lastpart) |
| { |
| dprintf_file(stddeb,"GetFullPathNameA(%s)\n",fn); |
| /* FIXME */ |
| if (buf) { |
| lstrcpyn32A(buf,fn,buflen); |
| if (lastpart) { |
| *lastpart = strrchr(buf,'\\'); |
| if (!*lastpart) *lastpart=buf; |
| } |
| } |
| return strlen(fn); |
| } |
| |
| /*********************************************************************** |
| * GetFullPathName32W (KERNEL32.273) |
| */ |
| DWORD GetFullPathName32W(LPCWSTR fn,DWORD buflen,LPWSTR buf,LPWSTR *lastpart) { |
| LPWSTR x; |
| |
| dprintf_file(stddeb,"GetFullPathNameW(%p)\n",fn); |
| /* FIXME */ |
| if (buf) { |
| lstrcpyn32W(buf,fn,buflen); |
| if (lastpart) { |
| x = buf+lstrlen32W(buf)-1; |
| while (x>=buf && *x!='\\') |
| x--; |
| if (x>=buf) |
| *lastpart=x; |
| else |
| *lastpart=buf; |
| } |
| } |
| return lstrlen32W(fn); |
| } |
| |
| |
| /*********************************************************************** |
| * DosDateTimeToFileTime (KERNEL32.76) |
| */ |
| BOOL32 DosDateTimeToFileTime( WORD fatdate, WORD fattime, LPFILETIME ft ) |
| { |
| time_t unixtime = DOSFS_DosDateTimeToUnixTime(fatdate,fattime); |
| DOSFS_UnixTimeToFileTime(unixtime,ft); |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * FileTimeToDosDateTime (KERNEL32.111) |
| */ |
| BOOL32 FileTimeToDosDateTime( const FILETIME *ft, LPWORD fatdate, |
| LPWORD fattime ) |
| { |
| time_t unixtime = DOSFS_FileTimeToUnixTime(ft); |
| DOSFS_ToDosDateTime(unixtime,fatdate,fattime); |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * LocalFileTimeToFileTime (KERNEL32.373) |
| */ |
| BOOL32 LocalFileTimeToFileTime( const FILETIME *localft, LPFILETIME utcft ) |
| { |
| struct tm *xtm; |
| |
| /* convert from local to UTC. Perhaps not correct. FIXME */ |
| xtm = gmtime((time_t*)&(localft->dwLowDateTime)); |
| utcft->dwLowDateTime = mktime(xtm); |
| utcft->dwHighDateTime = 0; |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * FileTimeToLocalFileTime (KERNEL32.112) |
| */ |
| BOOL32 FileTimeToLocalFileTime( const FILETIME *utcft, LPFILETIME localft ) |
| { |
| struct tm *xtm; |
| |
| /* convert from UTC to local. Perhaps not correct. FIXME */ |
| xtm = localtime((time_t*)&(utcft->dwLowDateTime)); |
| localft->dwLowDateTime = mktime(xtm); |
| localft->dwHighDateTime = 0; |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * FileTimeToSystemTime (KERNEL32.113) |
| */ |
| BOOL32 FileTimeToSystemTime( const FILETIME *ft, LPSYSTEMTIME syst ) |
| { |
| struct tm *xtm; |
| time_t xtime = DOSFS_FileTimeToUnixTime(ft); |
| xtm = gmtime(&xtime); |
| syst->wYear = xtm->tm_year; |
| syst->wMonth = xtm->tm_mon; |
| syst->wDayOfWeek = xtm->tm_wday; |
| syst->wDay = xtm->tm_mday; |
| syst->wHour = xtm->tm_hour; |
| syst->wMinute = xtm->tm_min; |
| syst->wSecond = xtm->tm_sec; |
| syst->wMilliseconds = 0; /* FIXME */ |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * SystemTimeToFileTime (KERNEL32.526) |
| */ |
| BOOL32 SystemTimeToFileTime( const SYSTEMTIME *syst, LPFILETIME ft ) |
| { |
| struct tm xtm; |
| |
| xtm.tm_year = syst->wYear; |
| xtm.tm_mon = syst->wMonth; |
| xtm.tm_wday = syst->wDayOfWeek; |
| xtm.tm_mday = syst->wDay; |
| xtm.tm_hour = syst->wHour; |
| xtm.tm_min = syst->wMinute; |
| xtm.tm_sec = syst->wSecond; |
| DOSFS_UnixTimeToFileTime(mktime(&xtm),ft); |
| return TRUE; |
| } |
