1#ifndef MTOOLS_MTOOLS_H 2#define MTOOLS_MTOOLS_H 3/* Copyright 1996-2005,2007-2009 Alain Knaff. 4 * This file is part of mtools. 5 * 6 * Mtools 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 3 of the License, or 9 * (at your option) any later version. 10 * 11 * Mtools 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 Mtools. If not, see <http://www.gnu.org/licenses/>. 18 */ 19#include "msdos.h" 20 21typedef struct dos_name_t dos_name_t; 22 23#if defined(OS_sco3) 24#define MAXPATHLEN 1024 25#include <signal.h> 26extern int lockf(int, int, off_t); /* SCO has no proper include file for lockf */ 27#endif 28 29#define SCSI_FLAG 1 30#define PRIV_FLAG 2 31#define NOLOCK_FLAG 4 32#define USE_XDF_FLAG 8 33#define MFORMAT_ONLY_FLAG 16 34#define VOLD_FLAG 32 35#define FLOPPYD_FLAG 64 36#define FILTER_FLAG 128 37#define SWAP_FLAG 256 38 39#define IS_SCSI(x) ((x) && ((x)->misc_flags & SCSI_FLAG)) 40#define IS_PRIVILEGED(x) ((x) && ((x)->misc_flags & PRIV_FLAG)) 41#define IS_NOLOCK(x) ((x) && ((x)->misc_flags & NOLOCK_FLAG)) 42#define IS_MFORMAT_ONLY(x) ((x) && ((x)->misc_flags & MFORMAT_ONLY_FLAG)) 43#define SHOULD_USE_VOLD(x) ((x)&& ((x)->misc_flags & VOLD_FLAG)) 44#define SHOULD_USE_XDF(x) ((x)&& ((x)->misc_flags & USE_XDF_FLAG)) 45#define DO_SWAP(x) ((x) && ((x)->misc_flags & SWAP_FLAG)) 46 47typedef struct device { 48 const char *name; /* full path to device */ 49 50 char drive; /* the drive letter */ 51 int fat_bits; /* FAT encoding scheme */ 52 53 unsigned int mode; /* any special open() flags */ 54 unsigned int tracks; /* tracks */ 55 unsigned int heads; /* heads */ 56 unsigned int sectors; /* sectors */ 57 unsigned int hidden; /* number of hidden sectors. Used for 58 * mformatting partitioned devices */ 59 60 off_t offset; /* skip this many bytes */ 61 62 unsigned int partition; 63 64 unsigned int misc_flags; 65 66 /* Linux only stuff */ 67 unsigned int ssize; 68 unsigned int use_2m; 69 70 char *precmd; /* command to be executed before opening 71 * the drive */ 72 73 /* internal variables */ 74 int file_nr; /* used during parsing */ 75 unsigned int blocksize; /* size of disk block in bytes */ 76 77 int codepage; /* codepage for shortname encoding */ 78 79 const char *cfg_filename; /* used for debugging purposes */ 80} device_t; 81 82 83#ifndef OS_linux 84#define BOOTSIZE 512 85#else 86#define BOOTSIZE 256 87#endif 88 89typedef struct doscp_t doscp_t; 90 91#include "stream.h" 92 93 94extern const char *short_illegals, *long_illegals; 95 96#define maximize(target, max) do { \ 97 if(max < 0) { \ 98 if(target > 0) \ 99 target = 0; \ 100 } else if(target > max) { \ 101 target = max; \ 102 } \ 103} while(0) 104 105#define minimize(target, min) do { \ 106 if(target < min) \ 107 target = min; \ 108} while(0) 109 110int init_geom(int fd, struct device *dev, struct device *orig_dev, 111 struct MT_STAT *statbuf); 112 113int readwrite_sectors(int fd, /* file descriptor */ 114 int *drive, 115 int rate, 116 int seektrack, 117 int track, int head, int sector, int size, /* address */ 118 char *data, 119 int bytes, 120 int direction, 121 int retries); 122 123int lock_dev(int fd, int mode, struct device *dev); 124 125char *unix_normalize (doscp_t *cp, char *ans, struct dos_name_t *dn); 126void dos_name(doscp_t *cp, const char *filename, int verbose, int *mangled, 127 struct dos_name_t *); 128struct directory *mk_entry(const dos_name_t *filename, char attr, 129 unsigned int fat, size_t size, time_t date, 130 struct directory *ndir); 131 132struct directory *mk_entry_from_base(const char *base, char attr, 133 unsigned int fat, size_t size, time_t date, 134 struct directory *ndir); 135 136int copyfile(Stream_t *Source, Stream_t *Target); 137int getfreeMinClusters(Stream_t *Stream, size_t ref); 138 139FILE *opentty(int mode); 140 141int is_dir(Stream_t *Dir, char *path); 142void bufferize(Stream_t **Dir); 143 144int dir_grow(Stream_t *Dir, int size); 145int match(const wchar_t *, const wchar_t *, wchar_t *, int, int); 146 147wchar_t *unix_name(doscp_t *fromDos, 148 const char *base, const char *ext, char Case, 149 wchar_t *answer); 150void *safe_malloc(size_t size); 151Stream_t *open_filter(Stream_t *Next,int convertCharset); 152 153extern int got_signal; 154/* int do_gotsignal(char *, int); 155#define got_signal do_gotsignal(__FILE__, __LINE__) */ 156 157void setup_signal(void); 158 159 160#define SET_INT(target, source) \ 161if(source)target=source 162 163 164UNUSED(static __inline__ int compare (long ref, long testee)) 165{ 166 return (ref && ref != testee); 167} 168 169Stream_t *GetFs(Stream_t *Fs); 170 171void label_name(doscp_t *cp, const char *filename, int verbose, 172 int *mangled, dos_name_t *ans); 173 174/* environmental variables */ 175extern unsigned int mtools_skip_check; 176extern unsigned int mtools_fat_compatibility; 177extern unsigned int mtools_ignore_short_case; 178extern unsigned int mtools_no_vfat; 179extern unsigned int mtools_numeric_tail; 180extern unsigned int mtools_dotted_dir; 181extern unsigned int mtools_twenty_four_hour_clock; 182extern const char *mtools_date_string; 183extern unsigned int mtools_rate_0, mtools_rate_any; 184extern unsigned int mtools_default_codepage; 185extern int mtools_raw_tty; 186 187extern int batchmode; 188 189char get_default_drive(void); 190void set_cmd_line_image(char *img, int flags); 191void read_config(void); 192extern struct device *devices; 193extern struct device const_devices[]; 194extern const int nr_const_devices; 195 196#define New(type) ((type*)(calloc(1,sizeof(type)))) 197#define Grow(adr,n,type) ((type*)(realloc((char *)adr,n*sizeof(type)))) 198#define Free(adr) (free((char *)adr)); 199#define NewArray(size,type) ((type*)(calloc((size),sizeof(type)))) 200 201void mattrib(int argc, char **argv, int type); 202void mbadblocks(int argc, char **argv, int type); 203void mcat(int argc, char **argv, int type); 204void mcd(int argc, char **argv, int type); 205void mclasserase(int argc, char **argv, int type); 206void mcopy(int argc, char **argv, int type); 207void mdel(int argc, char **argv, int type); 208void mdir(int argc, char **argv, int type); 209void mdoctorfat(int argc, char **argv, int type); 210void mdu(int argc, char **argv, int type); 211void mformat(int argc, char **argv, int type); 212void minfo(int argc, char **argv, int type); 213void mlabel(int argc, char **argv, int type); 214void mmd(int argc, char **argv, int type); 215void mmount(int argc, char **argv, int type); 216void mmove(int argc, char **argv, int type); 217void mpartition(int argc, char **argv, int type); 218void mshowfat(int argc, char **argv, int mtype); 219void mtoolstest(int argc, char **argv, int type); 220void mzip(int argc, char **argv, int type); 221 222extern int noPrivileges; 223void init_privs(void); 224void reclaim_privs(void); 225void drop_privs(void); 226void destroy_privs(void); 227uid_t get_real_uid(void); 228void closeExec(int fd); 229 230extern const char *progname; 231 232void precmd(struct device *dev); 233 234void print_sector(const char *message, unsigned char *data, int size); 235time_t getTimeNow(time_t *now); 236 237#ifdef USING_NEW_VOLD 238char *getVoldName(struct device *dev, char *name); 239#endif 240 241 242Stream_t *OpenDir(Stream_t *Parent, const char *filename); 243/* int unix_dir_loop(Stream_t *Stream, MainParam_t *mp); 244int unix_loop(MainParam_t *mp, char *arg); */ 245 246struct dirCache_t **getDirCacheP(Stream_t *Stream); 247int isRootDir(Stream_t *Stream); 248unsigned int getStart(Stream_t *Dir, struct directory *dir); 249unsigned int countBlocks(Stream_t *Dir, unsigned int block); 250char getDrive(Stream_t *Stream); 251 252 253void printOom(void); 254int ask_confirmation(const char *, ...) __attribute__ ((format (printf, 1, 2))); 255 256int helpFlag(int, char **); 257 258char *get_homedir(void); 259#define EXPAND_BUF 2048 260const char *expand(const char *, char *); 261FILE *open_mcwd(const char *mode); 262void unlink_mcwd(void); 263 264#ifndef OS_mingw32msvc 265int safePopenOut(const char **command, char *output, int len); 266#endif 267 268#define ROUND_DOWN(value, grain) ((value) - (value) % (grain)) 269#define ROUND_UP(value, grain) ROUND_DOWN((value) + (grain)-1, (grain)) 270 271#ifndef O_BINARY 272#define O_BINARY 0 273#endif 274 275#endif 276