/* * Verify that the tape drive can be accessed and * that it actually is a dump tape. */ void setup(void) { int i, j, *ip; struct stat stbuf; Vprintf(stdout, "Verify tape and initialize maps\n"); #ifdef RRESTORE if (host) mt = rmtopen(magtape, 0); else #endif if (pipein) mt = 0; else mt = open(magtape, O_RDONLY); if (mt < 0) err(1, "%s", magtape); volno = 1; setdumpnum(); FLUSHTAPEBUF(); if (!pipein && !bflag) findtapeblksize(); if (gethead(&spcl) == FAIL) { blkcnt--; /* push back this block */ blksread--; tpblksread--; cvtflag++; if (gethead(&spcl) == FAIL) errx(1, "Tape is not a dump tape"); (void)fputs("Converting to new file system format.\n", stderr); } if (pipein) { endoftapemark.s_spcl.c_magic = cvtflag ? OFS_MAGIC : FS_UFS2_MAGIC; endoftapemark.s_spcl.c_type = TS_END; ip = (int *)&endoftapemark; j = sizeof(union u_spcl) / sizeof(int); i = 0; do i += *ip++; while (--j); endoftapemark.s_spcl.c_checksum = CHECKSUM - i; } if (vflag || command == 't') printdumpinfo(); dumptime = (time_t)spcl.c_ddate; dumpdate = (time_t)spcl.c_date; if (stat(".", &stbuf) < 0) err(1, "cannot stat ."); if (stbuf.st_blksize > 0 && stbuf.st_blksize < TP_BSIZE ) fssize = TP_BSIZE; if (stbuf.st_blksize >= TP_BSIZE && stbuf.st_blksize <= MAXBSIZE) fssize = stbuf.st_blksize; if (((fssize - 1) & fssize) != 0) errx(1, "bad block size %ld", fssize); if (spcl.c_volume != 1) errx(1, "Tape is not volume 1 of the dump"); if (gethead(&spcl) == FAIL) { Dprintf(stdout, "header read failed at %ld blocks\n", blksread); panic("no header after volume mark!\n"); } findinode(&spcl); if (spcl.c_type != TS_CLRI) errx(1, "Cannot find file removal list"); maxino = (spcl.c_count * TP_BSIZE * NBBY) + 1; Dprintf(stdout, "maxino = %d\n", maxino); map = calloc(1, howmany(maxino, NBBY)); if (map == NULL) panic("no memory for active inode map\n"); usedinomap = map; curfile.action = USING; getfile(xtrmap, xtrmapskip); if (spcl.c_type != TS_BITS) errx(1, "Cannot find file dump list"); map = calloc(1, howmany(maxino, NBBY)); if (map == NULL) panic("no memory for file dump list\n"); dumpmap = map; curfile.action = USING; getfile(xtrmap, xtrmapskip); }
/* * Verify that the tape drive can be accessed and * that it actually is a dump tape. */ void setup(void) { int i, j, *ip; struct stat stbuf; vprintf(stdout, "Verify tape and initialize maps\n"); if (pipecmdin) { if (setenv("RESTORE_VOLUME", "1", 1) == -1) { fprintf(stderr, "Cannot set $RESTORE_VOLUME: %s\n", strerror(errno)); done(1); } popenfp = popen(magtape, "r"); mt = popenfp ? fileno(popenfp) : -1; } else #ifdef RRESTORE if (host) mt = rmtopen(magtape, 0); else #endif if (pipein) mt = 0; else mt = open(magtape, O_RDONLY, 0); if (mt < 0) { fprintf(stderr, "%s: %s\n", magtape, strerror(errno)); done(1); } volno = 1; setdumpnum(); FLUSHTAPEBUF(); if (!pipein && !pipecmdin && !bflag) findtapeblksize(); if (gethead(&spcl) == FAIL) { fprintf(stderr, "Tape is not a dump tape\n"); done(1); } if (pipein) { endoftapemark.s_spcl.c_magic = FS_UFS2_MAGIC; endoftapemark.s_spcl.c_type = TS_END; ip = (int *)&endoftapemark; j = sizeof(union u_spcl) / sizeof(int); i = 0; do i += *ip++; while (--j); endoftapemark.s_spcl.c_checksum = CHECKSUM - i; } if (vflag || command == 't') printdumpinfo(); dumptime = _time64_to_time(spcl.c_ddate); dumpdate = _time64_to_time(spcl.c_date); if (stat(".", &stbuf) < 0) { fprintf(stderr, "cannot stat .: %s\n", strerror(errno)); done(1); } if (stbuf.st_blksize > 0 && stbuf.st_blksize < TP_BSIZE ) fssize = TP_BSIZE; if (stbuf.st_blksize >= TP_BSIZE && stbuf.st_blksize <= MAXBSIZE) fssize = stbuf.st_blksize; if (((TP_BSIZE - 1) & stbuf.st_blksize) != 0) { fprintf(stderr, "Warning: filesystem with non-multiple-of-%d " "blocksize (%d);\n", TP_BSIZE, stbuf.st_blksize); fssize = roundup(fssize, TP_BSIZE); fprintf(stderr, "\twriting using blocksize %ld\n", fssize); } if (spcl.c_volume != 1) { fprintf(stderr, "Tape is not volume 1 of the dump\n"); done(1); } if (gethead(&spcl) == FAIL) { dprintf(stdout, "header read failed at %ld blocks\n", blksread); panic("no header after volume mark!\n"); } findinode(&spcl); if (spcl.c_type != TS_CLRI) { fprintf(stderr, "Cannot find file removal list\n"); done(1); } maxino = (spcl.c_count * TP_BSIZE * NBBY) + 1; dprintf(stdout, "maxino = %ju\n", (uintmax_t)maxino); map = calloc((unsigned)1, (unsigned)howmany(maxino, NBBY)); if (map == NULL) panic("no memory for active inode map\n"); usedinomap = map; curfile.action = USING; getfile(xtrmap, xtrmapskip, xtrmapskip); if (spcl.c_type != TS_BITS) { fprintf(stderr, "Cannot find file dump list\n"); done(1); } map = calloc((unsigned)1, (unsigned)howmany(maxino, NBBY)); if (map == (char *)NULL) panic("no memory for file dump list\n"); dumpmap = map; curfile.action = USING; getfile(xtrmap, xtrmapskip, xtrmapskip); /* * If there may be whiteout entries on the tape, pretend that the * whiteout inode exists, so that the whiteout entries can be * extracted. */ SETINO(WINO, dumpmap); /* 'r' restores don't call getvol() for tape 1, so mark it as read. */ if (command == 'r') tapesread = 1; }
/* * Verify that the tape drive can be accessed and * that it actually is a dump tape. */ void setup(void) { int i, j, *ip; struct stat stbuf; vprintf(stdout, "Verify tape and initialize maps\n"); #ifdef RRESTORE if (host) mt = rmtopen(magtape, 0); else #endif if (pipein) mt = 0; else mt = open(magtape, O_RDONLY, 0); if (mt < 0) { fprintf(stderr, "%s: %s\n", magtape, strerror(errno)); done(1); } volno = 1; setdumpnum(); FLUSHTAPEBUF(); if (!pipein && !bflag) findtapeblksize(); if (gethead(&spcl) == FAIL) { blkcnt--; /* push back this block */ blksread--; cvtflag++; if (gethead(&spcl) == FAIL) { fprintf(stderr, "Tape is not a dump tape\n"); done(1); } fprintf(stderr, "Converting to new file system format.\n"); } if (pipein) { endoftapemark.s_spcl.c_magic = cvtflag ? OFS_MAGIC : NFS_MAGIC; endoftapemark.s_spcl.c_type = TS_END; ip = (int *)&endoftapemark; j = sizeof(union u_spcl) / sizeof(int); i = 0; do i += *ip++; while (--j); endoftapemark.s_spcl.c_checksum = CHECKSUM - i; } if (vflag || command == 't') printdumpinfo(); dumptime = spcl.c_ddate; dumpdate = spcl.c_date; if (stat(".", &stbuf) < 0) { fprintf(stderr, "cannot stat .: %s\n", strerror(errno)); done(1); } if (stbuf.st_blksize > 0 && stbuf.st_blksize < TP_BSIZE ) fssize = TP_BSIZE; if (stbuf.st_blksize >= TP_BSIZE && stbuf.st_blksize <= MAXBSIZE) fssize = stbuf.st_blksize; if (((fssize - 1) & fssize) != 0) { fprintf(stderr, "bad block size %ld\n", fssize); done(1); } if (spcl.c_volume != 1) { fprintf(stderr, "Tape is not volume 1 of the dump\n"); done(1); } if (gethead(&spcl) == FAIL) { dprintf(stdout, "header read failed at %ld blocks\n", blksread); panic("no header after volume mark!\n"); } findinode(&spcl); if (spcl.c_type != TS_CLRI) { fprintf(stderr, "Cannot find file removal list\n"); done(1); } maxino = (spcl.c_count * TP_BSIZE * NBBY) + 1; dprintf(stdout, "maxino = %d\n", maxino); map = calloc((unsigned)1, (unsigned)howmany(maxino, NBBY)); if (map == NULL) panic("no memory for active inode map\n"); usedinomap = map; curfile.action = USING; getfile(xtrmap, xtrmapskip); if (spcl.c_type != TS_BITS) { fprintf(stderr, "Cannot find file dump list\n"); done(1); } map = calloc((unsigned)1, (unsigned)howmany(maxino, NBBY)); if (map == NULL) panic("no memory for file dump list\n"); dumpmap = map; curfile.action = USING; getfile(xtrmap, xtrmapskip); /* * If there may be whiteout entries on the tape, pretend that the * whiteout inode exists, so that the whiteout entries can be * extracted. */ if (oldinofmt == 0) SETINO(WINO, dumpmap); /* 'r' restores don't call getvol() for tape 1, so mark it as read. */ if (command == 'r') tapesread = 1; }