sbin/ 40755 0 0 0 7041616224 10116 5ustar rootwheelsbin/i386/ 40755 0 0 0 7041616224 10607 5ustar rootwheelsbin/i386/fdisk/ 40755 0 0 0 7041616224 11707 5ustar rootwheelsbin/i386/fdisk/Makefile100644 0 0 270 7030345166 13425 0ustar rootwheel# $FreeBSD: src/sbin/i386/fdisk/Makefile,v 1.3.8.2 1999/08/29 15:13:27 peter Exp $ PROG= fdisk MAN8= fdisk.8 .if ${MACHINE} == "pc98" CFLAGS += -DPC98 .endif .include sbin/i386/fdisk/fdisk.c100644 0 0 76645 7030345166 13314 0ustar rootwheel/* * Mach Operating System * Copyright (c) 1992 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ #ifndef lint static const char rcsid[] = "$FreeBSD: src/sbin/i386/fdisk/fdisk.c,v 1.27.2.5 1999/08/29 15:13:29 peter Exp $"; #endif /* not lint */ #include #include #include #include #include #include #include #include #include #include int iotest; #define LBUF 100 static char lbuf[LBUF]; /* * * Ported to 386bsd by Julian Elischer Thu Oct 15 20:26:46 PDT 1992 * * 14-Dec-89 Robert Baron (rvb) at Carnegie-Mellon University * Copyright (c) 1989 Robert. V. Baron * Created. */ #define Decimal(str, ans, tmp) if (decimal(str, &tmp, ans)) ans = tmp #define Hex(str, ans, tmp) if (hex(str, &tmp, ans)) ans = tmp #define String(str, ans, len) {char *z = ans; char **dflt = &z; if (string(str, dflt)) strncpy(ans, *dflt, len); } #define RoundCyl(x) ((((x) + cylsecs - 1) / cylsecs) * cylsecs) #define MAX_SEC_SIZE 2048 /* maximum section size that is supported */ #define MIN_SEC_SIZE 512 /* the sector size to start sensing at */ int secsize = 0; /* the sensed sector size */ const char *disk; const char *disks[] = { "/dev/rwd0", "/dev/rda0", "/dev/rod0", 0 }; struct disklabel disklabel; /* disk parameters */ int cyls, sectors, heads, cylsecs, disksecs; struct mboot { unsigned char padding[2]; /* force the longs to be long aligned */ #ifdef PC98 unsigned char bootinst[510]; #else unsigned char bootinst[DOSPARTOFF]; struct dos_partition parts[4]; #endif unsigned short int signature; #ifdef PC98 struct dos_partition parts[8]; #endif /* room to read in MBRs that are bigger then DEV_BSIZE */ unsigned char large_sector_overflow[MAX_SEC_SIZE-MIN_SEC_SIZE]; }; struct mboot mboot; #define ACTIVE 0x80 #define BOOT_MAGIC 0xAA55 int dos_cyls; int dos_heads; int dos_sectors; int dos_cylsecs; #ifdef PC98 #define DOSSECT(s,c) (s) #define DOSCYL(c) (c) #else #define DOSSECT(s,c) ((s & 0x3f) | ((c >> 2) & 0xc0)) #define DOSCYL(c) (c & 0xff) #endif static int partition = -1; #define MAX_ARGS 10 static int current_line_number; static int geom_processed = 0; static int part_processed = 0; static int active_processed = 0; typedef struct cmd { char cmd; int n_args; struct arg { char argtype; int arg_val; } args[MAX_ARGS]; } CMD; static int B_flag = 0; /* replace boot code */ static int a_flag = 0; /* set active partition */ static char *b_flag = NULL; /* path to boot code */ static int e_flag = 0; /* use entire disk for FreeBSD */ static int i_flag = 0; /* replace partition data */ static int u_flag = 0; /* update partition data */ static int t_flag = 0; /* test only, if f_flag is given */ static char *f_flag = NULL; /* Read config info from file */ static int v_flag = 0; /* Be verbose */ struct part_type { unsigned char type; char *name; }part_types[] = { {0x00, "unused"} ,{0x01, "Primary DOS with 12 bit FAT"} #ifdef PC98 ,{0x11, "MSDOS"} ,{0x20, "MSDOS"} ,{0x21, "MSDOS"} ,{0x22, "MSDOS"} ,{0x23, "MSDOS"} ,{0x02, "XENIX / filesystem"} ,{0x03, "XENIX /usr filesystem"} ,{0x04, "PC-UX"} ,{0x05, "Extended DOS"} ,{0x06, "Primary 'big' DOS (> 32MB)"} ,{0x07, "OS/2 HPFS, QNX or Advanced UNIX"} ,{0x08, "AIX filesystem"} ,{0x09, "AIX boot partition or Coherent"} ,{0x0A, "OS/2 Boot Manager or OPUS"} ,{0x10, "OPUS"} ,{0x14, "FreeBSD/NetBSD/386BSD"} ,{0x94, "FreeBSD/NetBSD/386BSD"} ,{0x40, "VENIX 286"} ,{0x50, "DM"} ,{0x51, "DM"} ,{0x52, "CP/M or Microport SysV/AT"} ,{0x56, "GB"} ,{0x61, "Speed"} ,{0x63, "ISC UNIX, other System V/386, GNU HURD or Mach"} ,{0x64, "Novell Netware 2.xx"} ,{0x65, "Novell Netware 3.xx"} ,{0x75, "PCIX"} ,{0x40, "Minix"} #else ,{0x02, "XENIX / filesystem"} ,{0x03, "XENIX /usr filesystem"} ,{0x04, "Primary DOS with 16 bit FAT (<= 32MB)"} ,{0x05, "Extended DOS"} ,{0x06, "Primary 'big' DOS (> 32MB)"} ,{0x07, "OS/2 HPFS, NTFS, QNX or Advanced UNIX"} ,{0x08, "AIX filesystem"} ,{0x09, "AIX boot partition or Coherent"} ,{0x0A, "OS/2 Boot Manager or OPUS"} ,{0x0B, "DOS or Windows 95 with 32 bit FAT"} ,{0x0C, "DOS or Windows 95 with 32 bit FAT, LBA"} ,{0x0E, "Primary 'big' DOS (> 32MB, LBA)"} ,{0x0F, "Extended DOS, LBA"} ,{0x10, "OPUS"} ,{0x40, "VENIX 286"} ,{0x50, "DM"} ,{0x51, "DM"} ,{0x52, "CP/M or Microport SysV/AT"} ,{0x56, "GB"} ,{0x61, "Speed"} ,{0x63, "ISC UNIX, other System V/386, GNU HURD or Mach"} ,{0x64, "Novell Netware 2.xx"} ,{0x65, "Novell Netware 3.xx"} ,{0x75, "PCIX"} ,{0x80, "Minix 1.1 ... 1.4a"} ,{0x81, "Minix 1.4b ... 1.5.10"} ,{0x82, "Linux swap or Solaris x86"} ,{0x83, "Linux filesystem"} ,{0x93, "Amoeba filesystem"} ,{0x94, "Amoeba bad block table"} ,{0x9F, "BSD/OS"} ,{0xA5, "FreeBSD/NetBSD/386BSD"} ,{0xA6, "OpenBSD"} ,{0xA7, "NEXTSTEP"} ,{0xA9, "NetBSD"} ,{0xB7, "BSDI BSD/386 filesystem"} ,{0xB8, "BSDI BSD/386 swap"} ,{0xDB, "Concurrent CPM or C.DOS or CTOS"} ,{0xE1, "Speed"} ,{0xE3, "Speed"} ,{0xE4, "Speed"} ,{0xF1, "Speed"} ,{0xF2, "DOS 3.3+ Secondary"} ,{0xF4, "Speed"} ,{0xFF, "BBT (Bad Blocks Table)"} #endif }; static void print_s0(int which); static void print_part(int i); static void init_sector0(unsigned long start); static void init_boot(void); static void change_part(int i); static void print_params(); static void change_active(int which); static void change_code(); static void get_params_to_use(); #ifdef PC98 static void dos(int sec, int size, unsigned short *c, unsigned char *s, unsigned char *h); #else static void dos(int sec, int size, unsigned char *c, unsigned char *s, unsigned char *h); #endif static int open_disk(int u_flag); static ssize_t read_disk(off_t sector, void *buf); static ssize_t write_disk(off_t sector, void *buf); static int get_params(); static int read_s0(); static int write_s0(); static int ok(char *str); static int decimal(char *str, int *num, int deflt); static char *get_type(int type); static int read_config(char *config_file); static void reset_boot(void); static void usage(void); #if 0 static int hex(char *str, int *num, int deflt); #endif #ifdef PC98 static int string(char *str, char **ans); #endif int main(int argc, char *argv[]) { int c, i; #ifdef PC98 while ((c = getopt(argc, argv, "Bab:f:ituv12345678")) != -1) #else while ((c = getopt(argc, argv, "Bab:ef:ituv1234")) != -1) #endif switch (c) { case 'B': B_flag = 1; break; case 'a': a_flag = 1; break; case 'b': b_flag = optarg; break; #ifndef PC98 case 'e': e_flag = 1; break; #endif case 'f': f_flag = optarg; break; case 'i': i_flag = 1; break; case 't': t_flag = 1; break; case 'u': u_flag = 1; break; case 'v': v_flag = 1; break; case '1': case '2': case '3': case '4': partition = c - '0'; break; #ifdef PC98 case '5': case '6': case '7': case '8': partition = c - '0'; break; #endif default: usage(); } if (f_flag || i_flag) u_flag = 1; if (t_flag) v_flag = 1; argc -= optind; argv += optind; if (argc > 0) { static char realname[12]; if(strncmp(argv[0], "/dev", 4) == 0) disk = argv[0]; else { snprintf(realname, 12, "/dev/r%s", argv[0]); disk = realname; } if (open_disk(u_flag) < 0) err(1, "cannot open disk %s", disk); } else { int rv = 0; for(i = 0; disks[i]; i++) { disk = disks[i]; rv = open_disk(u_flag); if(rv != -2) break; } if(rv < 0) err(1, "cannot open any disk"); } printf("******* Working on device %s *******\n",disk); #ifndef PC98 if (e_flag) { struct dos_partition *partp; read_s0(); reset_boot(); partp = (struct dos_partition *) (&mboot.parts[0]); partp->dp_typ = DOSPTYP_386BSD; partp->dp_flag = ACTIVE; partp->dp_start = dos_sectors; partp->dp_size = disksecs - dos_sectors; dos(partp->dp_start, partp->dp_size, &partp->dp_scyl, &partp->dp_ssect, &partp->dp_shd); dos(partp->dp_start + partp->dp_size - 1, partp->dp_size, &partp->dp_ecyl, &partp->dp_esect, &partp->dp_ehd); if (v_flag) print_s0(-1); write_s0(); exit(0); } #endif if (f_flag) { #ifndef PC98 if (read_s0() || i_flag) { reset_boot(); } if (!read_config(f_flag)) { exit(1); } #endif if (v_flag) { print_s0(-1); } if (!t_flag) { write_s0(); } } else { if(u_flag) { get_params_to_use(); } else { print_params(); } if (read_s0()) init_sector0(1); printf("Media sector size is %d\n", secsize); printf("Warning: BIOS sector numbering starts with sector 1\n"); printf("Information from DOS bootblock is:\n"); if (partition == -1) for (i = 1; i <= NDOSPART; i++) change_part(i); else change_part(partition); if (u_flag || a_flag) change_active(partition); if (B_flag) change_code(); if (u_flag || a_flag || B_flag) { if (!t_flag) { printf("\nWe haven't changed the partition table yet. "); printf("This is your last chance.\n"); } print_s0(-1); if (!t_flag) { if (ok("Should we write new partition table?")) write_s0(); } else { printf("\n-t flag specified -- partition table not written.\n"); } } } exit(0); } static void usage() { fprintf(stderr, "%s%s", "usage: fdisk [-Baeitu] [-b bootcode] [-1234] [disk]\n", " fdisk -f configfile [-itv] [disk]\n"); exit(1); } static void print_s0(int which) { int i; print_params(); printf("Information from DOS bootblock is:\n"); if (which == -1) for (i = 1; i <= NDOSPART; i++) printf("%d: ", i), print_part(i); else print_part(which); } static struct dos_partition mtpart = { 0 }; static void print_part(int i) { struct dos_partition *partp; u_int64_t part_mb; partp = ((struct dos_partition *) &mboot.parts) + i - 1; if (!bcmp(partp, &mtpart, sizeof (struct dos_partition))) { printf("\n"); return; } /* * Be careful not to overflow. */ #ifdef PC98 printf("sysmid %d,(%s)\n", partp->dp_mid, get_type(partp->dp_mid)); printf(" start %d, size %d (%d Meg), sid %d\n", partp->dp_scyl * cylsecs , (partp->dp_ecyl - partp->dp_scyl + 1) * cylsecs, (partp->dp_ecyl - partp->dp_scyl + 1) * cylsecs * 512 / (1024 * 1024), partp->dp_sid); #else part_mb = partp->dp_size; part_mb *= secsize; part_mb /= (1024 * 1024); printf("sysid %d,(%s)\n", partp->dp_typ, get_type(partp->dp_typ)); printf(" start %lu, size %lu (%qd Meg), flag %x%s\n", (u_long)partp->dp_start, (u_long)partp->dp_size, part_mb, partp->dp_flag, partp->dp_flag == ACTIVE ? " (active)" : ""); #endif printf("\tbeg: cyl %d/ sector %d/ head %d;\n\tend: cyl %d/ sector %d/ head %d\n" ,DPCYL(partp->dp_scyl, partp->dp_ssect) ,DPSECT(partp->dp_ssect) ,partp->dp_shd ,DPCYL(partp->dp_ecyl, partp->dp_esect) ,DPSECT(partp->dp_esect) ,partp->dp_ehd); #ifdef PC98 printf ("\tsystem Name %.16s\n",partp->dp_name); #endif } static void init_boot(void) { #ifndef PC98 const char *fname; int fd; fname = b_flag ? b_flag : "/boot/mbr"; if ((fd = open(fname, O_RDONLY)) == -1 || read(fd, mboot.bootinst, DOSPARTOFF) == -1 || close(fd)) err(1, "%s", fname); #endif mboot.signature = BOOT_MAGIC; } static void init_sector0(unsigned long start) { struct dos_partition *partp = (struct dos_partition *) (&mboot.parts[3]); unsigned long size = disksecs - start; init_boot(); #ifdef PC98 partp->dp_mid = DOSMID_386BSD; partp->dp_sid = DOSSID_386BSD; dos(start, size, &partp->dp_scyl, &partp->dp_ssect, &partp->dp_shd); partp->dp_ipl_cyl = partp->dp_scyl; partp->dp_ipl_sct = partp->dp_ssect; partp->dp_ipl_head = partp->dp_shd; dos(start+size-cylsecs, size, &partp->dp_ecyl, &partp->dp_esect, &partp->dp_ehd); #else partp->dp_typ = DOSPTYP_386BSD; partp->dp_flag = ACTIVE; partp->dp_start = start; partp->dp_size = size; dos(partp->dp_start, partp->dp_size, &partp->dp_scyl, &partp->dp_ssect, &partp->dp_shd); dos(partp->dp_start + partp->dp_size - 1, partp->dp_size, &partp->dp_ecyl, &partp->dp_esect, &partp->dp_ehd); #endif } static void change_part(int i) { struct dos_partition *partp = ((struct dos_partition *) &mboot.parts) + i - 1; printf("The data for partition %d is:\n", i); print_part(i); if (u_flag && ok("Do you want to change it?")) { int tmp; if (i_flag) { bzero((char *)partp, sizeof (struct dos_partition)); if (i == 4) { init_sector0(1); printf("\nThe static data for the DOS partition 4 has been reinitialized to:\n"); print_part(i); } } do { #ifdef PC98 int x_start = partp->dp_scyl * cylsecs ; int x_size = (partp->dp_ecyl - partp->dp_scyl + 1) * cylsecs; Decimal("sysmid", partp->dp_mid, tmp); Decimal("syssid", partp->dp_sid, tmp); String ("system name", partp->dp_name, 16); Decimal("start", x_start, tmp); Decimal("size", x_size, tmp); #else Decimal("sysid (165=FreeBSD)", partp->dp_typ, tmp); Decimal("start", partp->dp_start, tmp); Decimal("size", partp->dp_size, tmp); #endif if (ok("Explicitly specify beg/end address ?")) { int tsec,tcyl,thd; tcyl = DPCYL(partp->dp_scyl,partp->dp_ssect); thd = partp->dp_shd; tsec = DPSECT(partp->dp_ssect); Decimal("beginning cylinder", tcyl, tmp); Decimal("beginning head", thd, tmp); Decimal("beginning sector", tsec, tmp); partp->dp_scyl = DOSCYL(tcyl); partp->dp_ssect = DOSSECT(tsec,tcyl); partp->dp_shd = thd; #ifdef PC98 partp->dp_ipl_cyl = partp->dp_scyl; partp->dp_ipl_sct = partp->dp_ssect; partp->dp_ipl_head = partp->dp_shd; #endif tcyl = DPCYL(partp->dp_ecyl,partp->dp_esect); thd = partp->dp_ehd; tsec = DPSECT(partp->dp_esect); Decimal("ending cylinder", tcyl, tmp); Decimal("ending head", thd, tmp); Decimal("ending sector", tsec, tmp); partp->dp_ecyl = DOSCYL(tcyl); partp->dp_esect = DOSSECT(tsec,tcyl); partp->dp_ehd = thd; } else { #ifdef PC98 dos(x_start, x_size, &partp->dp_scyl, &partp->dp_ssect, &partp->dp_shd); partp->dp_ipl_cyl = partp->dp_scyl; partp->dp_ipl_sct = partp->dp_ssect; partp->dp_ipl_head = partp->dp_shd; dos(x_start+x_size - cylsecs, x_size, &partp->dp_ecyl, &partp->dp_esect, &partp->dp_ehd); #else dos(partp->dp_start, partp->dp_size, &partp->dp_scyl, &partp->dp_ssect, &partp->dp_shd); dos(partp->dp_start + partp->dp_size - 1, partp->dp_size, &partp->dp_ecyl, &partp->dp_esect, &partp->dp_ehd); #endif } print_part(i); } while (!ok("Are we happy with this entry?")); } } static void print_params() { printf("parameters extracted from in-core disklabel are:\n"); printf("cylinders=%d heads=%d sectors/track=%d (%d blks/cyl)\n\n" ,cyls,heads,sectors,cylsecs); #ifndef PC98 if((dos_sectors > 63) || (dos_cyls > 1023) || (dos_heads > 255)) printf("Figures below won't work with BIOS for partitions not in cyl 1\n"); #endif printf("parameters to be used for BIOS calculations are:\n"); printf("cylinders=%d heads=%d sectors/track=%d (%d blks/cyl)\n\n" ,dos_cyls,dos_heads,dos_sectors,dos_cylsecs); } static void change_active(int which) { int i; #ifdef PC98 int active = 8, tmp; #else int active = 4, tmp; #endif struct dos_partition *partp = ((struct dos_partition *) &mboot.parts); if (a_flag && which != -1) active = which; if (!ok("Do you want to change the active partition?")) return; setactive: #ifdef PC98 active = 8; #else active = 4; #endif do { Decimal("active partition", active, tmp); #ifdef PC98 if (active < 1 || 8 < active) { printf("Active partition number must be in range 1-8." " Try again.\n"); goto setactive; } #else if (active < 1 || 4 < active) { printf("Active partition number must be in range 1-4." " Try again.\n"); goto setactive; } #endif } while (!ok("Are you happy with this choice")); #ifdef PC98 partp[active].dp_sid |= ACTIVE; #else for (i = 0; i < NDOSPART; i++) partp[i].dp_flag = 0; if (active > 0 && active <= NDOSPART) partp[active-1].dp_flag = ACTIVE; #endif } static void change_code() { if (ok("Do you want to change the boot code?")) init_boot(); } void get_params_to_use() { int tmp; print_params(); if (ok("Do you want to change our idea of what BIOS thinks ?")) { do { Decimal("BIOS's idea of #cylinders", dos_cyls, tmp); Decimal("BIOS's idea of #heads", dos_heads, tmp); Decimal("BIOS's idea of #sectors", dos_sectors, tmp); dos_cylsecs = dos_heads * dos_sectors; print_params(); } while(!ok("Are you happy with this choice")); } } /***********************************************\ * Change real numbers into strange dos numbers * \***********************************************/ static void dos(sec, size, c, s, h) int sec, size; #ifdef PC98 unsigned short *c; unsigned char *s, *h; #else unsigned char *c, *s, *h; #endif { int cy; int hd; if (sec == 0 && size == 0) { *s = *c = *h = 0; return; } cy = sec / ( dos_cylsecs ); sec = sec - cy * ( dos_cylsecs ); hd = sec / dos_sectors; #ifdef PC98 sec = (sec - hd * dos_sectors); *h = hd; *c = cy; *s = sec; #else sec = (sec - hd * dos_sectors) + 1; *h = hd; *c = cy & 0xff; *s = (sec & 0x3f) | ( (cy & 0x300) >> 2); #endif } int fd; /* Getting device status */ static int open_disk(int u_flag) { struct stat st; if (stat(disk, &st) == -1) { warnx("can't get file status of %s", disk); return -1; } if ( !(st.st_mode & S_IFCHR) ) warnx("device %s is not character special", disk); if ((fd = open(disk, a_flag || e_flag || B_flag || u_flag ? O_RDWR : O_RDONLY)) == -1) { if(errno == ENXIO) return -2; warnx("can't open device %s", disk); return -1; } if (get_params(0) == -1) { warnx("can't get disk parameters on %s", disk); return -1; } return fd; } static ssize_t read_disk(off_t sector, void *buf) { lseek(fd,(sector * 512), 0); #ifdef PC98 return read(fd, buf, secsize > MIN_SEC_SIZE ? secsize : MIN_SEC_SIZE * 2); #else if( secsize == 0 ) for( secsize = MIN_SEC_SIZE; secsize <= MAX_SEC_SIZE; secsize *= 2 ) { /* try the read */ int size = read(fd, buf, secsize); if( size == secsize ) /* it worked so return */ return secsize; } else return read( fd, buf, secsize ); /* we failed to read at any of the sizes */ return -1; #endif } static ssize_t write_disk(off_t sector, void *buf) { lseek(fd,(sector * 512), 0); /* write out in the size that the read_disk found worked */ #ifdef PC98 return write(fd, buf, secsize > MIN_SEC_SIZE ? secsize : MIN_SEC_SIZE * 2); #else return write(fd, buf, secsize); #endif } static int get_params() { if (ioctl(fd, DIOCGDINFO, &disklabel) == -1) { warnx("can't get disk parameters on %s; supplying dummy ones", disk); dos_cyls = cyls = 1; dos_heads = heads = 1; dos_sectors = sectors = 1; dos_cylsecs = cylsecs = heads * sectors; disksecs = cyls * heads * sectors; #ifdef PC98 secsize = disklabel.d_secsize; #endif return disksecs; } dos_cyls = cyls = disklabel.d_ncylinders; dos_heads = heads = disklabel.d_ntracks; dos_sectors = sectors = disklabel.d_nsectors; dos_cylsecs = cylsecs = heads * sectors; disksecs = cyls * heads * sectors; #ifdef PC98 secsize = disklabel.d_secsize; #endif return (disksecs); } static int read_s0() { if (read_disk(0, (char *) mboot.bootinst) == -1) { warnx("can't read fdisk partition table"); return -1; } if (mboot.signature != BOOT_MAGIC) { warnx("invalid fdisk partition table found"); /* So should we initialize things */ return -1; } return 0; } static int write_s0() { int flag; if (iotest) { print_s0(-1); return 0; } /* * write enable label sector before write (if necessary), * disable after writing. * needed if the disklabel protected area also protects * sector 0. (e.g. empty disk) */ #ifdef NOT_NOW flag = 1; if (ioctl(fd, DIOCWLABEL, &flag) < 0) warn("ioctl DIOCWLABEL"); #endif if (write_disk(0, (char *) mboot.bootinst) == -1) { warn("can't write fdisk partition table"); return -1; #ifdef NOT_NOW flag = 0; (void) ioctl(fd, DIOCWLABEL, &flag); #endif } return(0); } static int ok(str) char *str; { printf("%s [n] ", str); fgets(lbuf, LBUF, stdin); lbuf[strlen(lbuf)-1] = 0; if (*lbuf && (!strcmp(lbuf, "yes") || !strcmp(lbuf, "YES") || !strcmp(lbuf, "y") || !strcmp(lbuf, "Y"))) return 1; else return 0; } static int decimal(char *str, int *num, int deflt) { int acc = 0, c; char *cp; while (1) { printf("Supply a decimal value for \"%s\" [%d] ", str, deflt); fgets(lbuf, LBUF, stdin); lbuf[strlen(lbuf)-1] = 0; if (!*lbuf) return 0; cp = lbuf; while ((c = *cp) && (c == ' ' || c == '\t')) cp++; if (!c) return 0; while ((c = *cp++)) { if (c <= '9' && c >= '0') acc = acc * 10 + c - '0'; else break; } if (c == ' ' || c == '\t') while ((c = *cp) && (c == ' ' || c == '\t')) cp++; if (!c) { *num = acc; return 1; } else printf("%s is an invalid decimal number. Try again.\n", lbuf); } } #if 0 static int hex(char *str, int *num, int deflt) { int acc = 0, c; char *cp; while (1) { printf("Supply a hex value for \"%s\" [%x] ", str, deflt); fgets(lbuf, LBUF, stdin); lbuf[strlen(lbuf)-1] = 0; if (!*lbuf) return 0; cp = lbuf; while ((c = *cp) && (c == ' ' || c == '\t')) cp++; if (!c) return 0; while ((c = *cp++)) { if (c <= '9' && c >= '0') acc = (acc << 4) + c - '0'; else if (c <= 'f' && c >= 'a') acc = (acc << 4) + c - 'a' + 10; else if (c <= 'F' && c >= 'A') acc = (acc << 4) + c - 'A' + 10; else break; } if (c == ' ' || c == '\t') while ((c = *cp) && (c == ' ' || c == '\t')) cp++; if (!c) { *num = acc; return 1; } else printf("%s is an invalid hex number. Try again.\n", lbuf); } } #endif #ifdef PC98 static int string(char *str, char **ans) { #ifdef PC98 int i; #endif int c; char *cp = lbuf; while (1) { printf("Supply a string value for \"%s\" [%s] ", str, *ans); fgets(lbuf, LBUF, stdin); lbuf[strlen(lbuf)-1] = 0; if (!*lbuf) return 0; while ((c = *cp) && (c == ' ' || c == '\t')) cp++; if (c == '"') { c = *++cp; *ans = cp; while ((c = *cp) && c != '"') cp++; } else { *ans = cp; while ((c = *cp) && c != ' ' && c != '\t') cp++; } #ifdef PC98 for (i = strlen(*ans); i < 16; i++) (*ans)[i] = ' '; (*ans)[16] = 0; #else if (c) *cp = 0; #endif return 1; } } #endif static char * get_type(int type) { int numentries = (sizeof(part_types)/sizeof(struct part_type)); int counter = 0; struct part_type *ptr = part_types; while(counter < numentries) { #ifdef PC98 if(ptr->type == (type & 0x7f)) #else if(ptr->type == type) #endif { return(ptr->name); } ptr++; counter++; } return("unknown"); } #ifndef PC98 static void parse_config_line(line, command) char *line; CMD *command; { char *cp, *end; cp = line; while (1) /* dirty trick used to insure one exit point for this function */ { memset(command, 0, sizeof(*command)); while (isspace(*cp)) ++cp; if (*cp == '\0' || *cp == '#') { break; } command->cmd = *cp++; /* * Parse args */ while (1) { while (isspace(*cp)) ++cp; if (*cp == '#') { break; /* found comment */ } if (isalpha(*cp)) { command->args[command->n_args].argtype = *cp++; } if (!isdigit(*cp)) { break; /* assume end of line */ } end = NULL; command->args[command->n_args].arg_val = strtol(cp, &end, 0); if (cp == end) { break; /* couldn't parse number */ } cp = end; command->n_args++; } break; } } static int process_geometry(command) CMD *command; { int status = 1, i; while (1) { geom_processed = 1; if (part_processed) { warnx( "ERROR line %d: the geometry specification line must occur before\n\ all partition specifications", current_line_number); status = 0; break; } if (command->n_args != 3) { warnx("ERROR line %d: incorrect number of geometry args", current_line_number); status = 0; break; } dos_cyls = -1; dos_heads = -1; dos_sectors = -1; #ifdef PC98 for (i = 0; i < 7; ++i) #else for (i = 0; i < 3; ++i) #endif { switch (command->args[i].argtype) { case 'c': dos_cyls = command->args[i].arg_val; break; case 'h': dos_heads = command->args[i].arg_val; break; case 's': dos_sectors = command->args[i].arg_val; break; default: warnx( "ERROR line %d: unknown geometry arg type: '%c' (0x%02x)", current_line_number, command->args[i].argtype, command->args[i].argtype); status = 0; break; } } if (status == 0) { break; } dos_cylsecs = dos_heads * dos_sectors; /* * Do sanity checks on parameter values */ if (dos_cyls < 0) { warnx("ERROR line %d: number of cylinders not specified", current_line_number); status = 0; } #ifndef PC98 if (dos_cyls == 0 || dos_cyls > 1024) { warnx( "WARNING line %d: number of cylinders (%d) may be out-of-range\n\ (must be within 1-1024 for normal BIOS operation, unless the entire disk\n\ is dedicated to FreeBSD)", current_line_number, dos_cyls); } if (dos_heads < 0) { warnx("ERROR line %d: number of heads not specified", current_line_number); status = 0; } else if (dos_heads < 1 || dos_heads > 256) { warnx("ERROR line %d: number of heads must be within (1-256)", current_line_number); status = 0; } #endif if (dos_sectors < 0) { warnx("ERROR line %d: number of sectors not specified", current_line_number); status = 0; } #ifdef PC98 else if (dos_sectors < 1) #else else if (dos_sectors < 1 || dos_sectors > 63) #endif { #ifdef PC98 warnx("ERROR line %d: number of sectors must be larger than 1\n", #else warnx("ERROR line %d: number of sectors must be within (1-63)", #endif current_line_number); status = 0; } break; } return (status); } static int process_partition(command) CMD *command; { int status = 0, partition; unsigned long chunks, adj_size, max_end; struct dos_partition *partp; while (1) { part_processed = 1; if (command->n_args != 4) { warnx("ERROR line %d: incorrect number of partition args", current_line_number); break; } partition = command->args[0].arg_val; if (partition < 1 || partition > 4) { warnx("ERROR line %d: invalid partition number %d", current_line_number, partition); break; } partp = ((struct dos_partition *) &mboot.parts) + partition - 1; bzero((char *)partp, sizeof (struct dos_partition)); partp->dp_typ = command->args[1].arg_val; partp->dp_start = command->args[2].arg_val; partp->dp_size = command->args[3].arg_val; max_end = partp->dp_start + partp->dp_size; if (partp->dp_typ == 0) { /* * Get out, the partition is marked as unused. */ /* * Insure that it's unused. */ bzero((char *)partp, sizeof (struct dos_partition)); status = 1; break; } /* * Adjust start upwards, if necessary, to fall on an head boundary. */ if (partp->dp_start % dos_sectors != 0) { adj_size = (partp->dp_start / dos_sectors + 1) * dos_sectors; if (adj_size > max_end) { /* * Can't go past end of partition */ warnx( "ERROR line %d: unable to adjust start of partition %d to fall on\n\ a cylinder boundary", current_line_number, partition); break; } warnx( "WARNING: adjusting start offset of partition '%d' from %lu\n\ to %lu, to round to an head boundary", partition, (u_long)partp->dp_start, adj_size); partp->dp_start = adj_size; } /* * Adjust size downwards, if necessary, to fall on a cylinder * boundary. */ chunks = ((partp->dp_start + partp->dp_size) / dos_cylsecs) * dos_cylsecs; adj_size = chunks - partp->dp_start; if (adj_size != partp->dp_size) { warnx( "WARNING: adjusting size of partition '%d' from %lu to %lu,\n\ to round to a cylinder boundary", partition, (u_long)partp->dp_size, adj_size); if (chunks > 0) { partp->dp_size = adj_size; } else { partp->dp_size = 0; } } if (partp->dp_size < 1) { warnx("ERROR line %d: size for partition '%d' is zero", current_line_number, partition); break; } dos(partp->dp_start, partp->dp_size, &partp->dp_scyl, &partp->dp_ssect, &partp->dp_shd); dos(partp->dp_start+partp->dp_size - 1, partp->dp_size, &partp->dp_ecyl, &partp->dp_esect, &partp->dp_ehd); status = 1; break; } return (status); } static int process_active(command) CMD *command; { int status = 0, partition, i; struct dos_partition *partp; while (1) { active_processed = 1; if (command->n_args != 1) { warnx("ERROR line %d: incorrect number of active args", current_line_number); status = 0; break; } partition = command->args[0].arg_val; if (partition < 1 || partition > 4) { warnx("ERROR line %d: invalid partition number %d", current_line_number, partition); break; } /* * Reset active partition */ partp = ((struct dos_partition *) &mboot.parts); #ifdef PC98 partp[partition].dp_sid |= ACTIVE; #else for (i = 0; i < NDOSPART; i++) partp[i].dp_flag = 0; partp[partition-1].dp_flag = ACTIVE; #endif status = 1; break; } return (status); } static int process_line(line) char *line; { CMD command; int status = 1; while (1) { parse_config_line(line, &command); switch (command.cmd) { case 0: /* * Comment or blank line */ break; case 'g': /* * Set geometry */ status = process_geometry(&command); break; case 'p': status = process_partition(&command); break; case 'a': status = process_active(&command); break; default: status = 0; break; } break; } return (status); } static int read_config(config_file) char *config_file; { FILE *fp = NULL; int status = 1; char buf[1010]; while (1) /* dirty trick used to insure one exit point for this function */ { if (strcmp(config_file, "-") != 0) { /* * We're not reading from stdin */ if ((fp = fopen(config_file, "r")) == NULL) { status = 0; break; } } else { fp = stdin; } current_line_number = 0; while (!feof(fp)) { if (fgets(buf, sizeof(buf), fp) == NULL) { break; } ++current_line_number; status = process_line(buf); if (status == 0) { break; } } break; } if (fp) { /* * It doesn't matter if we're reading from stdin, as we've reached EOF */ fclose(fp); } return (status); } static void reset_boot(void) { int i; struct dos_partition *partp; init_boot(); for (i = 0; i < 4; ++i) { partp = ((struct dos_partition *) &mboot.parts) + i; bzero((char *)partp, sizeof (struct dos_partition)); } } #endif