X-Git-Url: https://git.wh0rd.org/?p=dump.git;a=blobdiff_plain;f=dump%2Ftraverse.c;h=2613b5ef5d68b54c1544bfd89ab29359942230ce;hp=eda65e1379e87fa4e1417d6f6295b59529795fb4;hb=a028bdc88a9fca7a274fe9a2f3dc7d824aedd8bc;hpb=fe0e02857a1ff7db4bf8cb28780de7ecf2f24234 diff --git a/dump/traverse.c b/dump/traverse.c index eda65e1..2613b5e 100644 --- a/dump/traverse.c +++ b/dump/traverse.c @@ -41,16 +41,18 @@ #ifndef lint static const char rcsid[] = - "$Id: traverse.c,v 1.43 2002/02/04 11:18:46 stelian Exp $"; + "$Id: traverse.c,v 1.52 2002/12/09 10:53:59 stelian Exp $"; #endif /* not lint */ #include #include #include +#include #ifdef __STDC__ #include #include #endif +#include #include #include @@ -106,7 +108,7 @@ static void mapfileino __P((dump_ino_t ino, struct dinode const *dp, long *tapes #ifdef HAVE_EXT2_JOURNAL_INUM #define ext2_journal_ino(sb) (sb->s_journal_inum) #else -#define ext2_journal_ino(sb) (*((__u32 *)sb + 0x38)) +#define ext2_journal_ino(sb) (*((u_int32_t *)sb + 0x38)) #endif #ifndef HAVE_EXT2_INO_T typedef ino_t ext2_ino_t; @@ -193,13 +195,13 @@ blockest(struct dinode const *dp) * dump blocks (sizeest vs. blkest in the indirect block * calculation). */ - blkest = howmany((u_quad_t)dp->di_blocks*fs->blocksize, TP_BSIZE); + blkest = howmany((u_quad_t)dp->di_blocks * 512, TP_BSIZE); i_size = dp->di_size + ((u_quad_t) dp->di_size_high << 32); sizeest = howmany(i_size, TP_BSIZE); if (blkest > sizeest) blkest = sizeest; #ifdef __linux__ - if (i_size > fs->blocksize * NDADDR) { + if (i_size > (u_quad_t)fs->blocksize * NDADDR) { /* calculate the number of indirect blocks on the dump tape */ blkest += howmany(sizeest - NDADDR * fs->blocksize / TP_BSIZE, @@ -217,8 +219,12 @@ blockest(struct dinode const *dp) } /* Auxiliary macro to pick up files changed since previous dump. */ +#define CSINCE(dp, t) \ + ((dp)->di_ctime >= (t)) +#define MSINCE(dp, t) \ + ((dp)->di_mtime >= (t)) #define CHANGEDSINCE(dp, t) \ - ((dp)->di_mtime >= (t) || (dp)->di_ctime >= (t)) + (CSINCE(dp, t) || MSINCE(dp, t)) /* The NODUMP_FLAG macro tests if a file has the nodump flag. */ #ifdef UF_NODUMP @@ -229,7 +235,7 @@ blockest(struct dinode const *dp) /* The WANTTODUMP macro decides whether a file should be dumped. */ #define WANTTODUMP(dp, ino) \ - (CHANGEDSINCE(dp, spcl.c_ddate) && \ + (CHANGEDSINCE(dp, ((u_int32_t)spcl.c_ddate)) && \ (!NODUMP_FLAG(dp)) && \ (!exclude_ino(ino))) @@ -266,6 +272,8 @@ mapfileino(dump_ino_t ino, struct dinode const *dp, long *tapesize, int *dirskip SETINO(ino, dumpdirmap); if (WANTTODUMP(dp, ino)) { SETINO(ino, dumpinomap); + if (!MSINCE(dp, (u_int32_t)spcl.c_ddate)) + SETINO(ino, metainomap); if (mode != IFREG && mode != IFDIR && mode != IFLNK) *tapesize += 1; else @@ -288,7 +296,7 @@ mapfileino(dump_ino_t ino, struct dinode const *dp, long *tapesize, int *dirskip */ #ifdef __linux__ int -mapfiles(dump_ino_t maxino, long *tapesize) +mapfiles(UNUSED(dump_ino_t maxino), long *tapesize) { ext2_ino_t ino; int anydirskipped = 0; @@ -351,7 +359,7 @@ mapfiles(dump_ino_t maxino, long *tapesize) #ifdef __linux__ int -maponefile(dump_ino_t maxino, long *tapesize, char *directory) +maponefile(UNUSED(dump_ino_t maxino), long *tapesize, char *directory) { errcode_t retval; ext2_ino_t dir_ino; @@ -361,7 +369,7 @@ maponefile(dump_ino_t maxino, long *tapesize, char *directory) /* * Mark every directory in the path as being dumped */ - for (i = 0; i < strlen (directory); i++) { + for (i = 0; i < (int)strlen (directory); i++) { if (directory[i] == '/') { strncpy (dir_name, directory, i); dir_name[i] = '\0'; @@ -404,7 +412,8 @@ struct mapfile_context { }; static int -mapfilesindir(struct ext2_dir_entry *dirent, int offset, int blocksize, char *buf, void *private) +mapfilesindir(struct ext2_dir_entry *dirent, UNUSED(int offset), + UNUSED(int blocksize), UNUSED(char *buf), void *private) { struct dinode const *dp; int mode; @@ -440,7 +449,7 @@ mapfilesindir(struct ext2_dir_entry *dirent, int offset, int blocksize, char *bu * the directories in the filesystem. */ int -mapfilesfromdir(dump_ino_t maxino, long *tapesize, char *directory) +mapfilesfromdir(UNUSED(dump_ino_t maxino), long *tapesize, char *directory) { errcode_t retval; struct mapfile_context mfc; @@ -451,7 +460,7 @@ mapfilesfromdir(dump_ino_t maxino, long *tapesize, char *directory) /* * Mark every directory in the path as being dumped */ - for (i = 0; i < strlen (directory); i++) { + for (i = 0; i < (int)strlen (directory); i++) { if (directory[i] == '/') { strncpy (dir_name, directory, i); dir_name[i] = '\0'; @@ -639,7 +648,8 @@ dirindir(dump_ino_t ino, daddr_t blkno, int ind_level, long *filesize) */ #ifdef __linux__ static int -searchdir(struct ext2_dir_entry *dp, int offset, int blocksize, char *buf, void *private) +searchdir(struct ext2_dir_entry *dp, UNUSED(int offset), + UNUSED(int blocksize), UNUSED(char *buf), void *private) { struct mapdirs_context *mdc; int *ret; @@ -662,12 +672,13 @@ searchdir(struct ext2_dir_entry *dp, int offset, int blocksize, char *buf, void ip = getino(dp->inode); if (TSTINO(dp->inode, dumpinomap)) { CLRINO(dp->inode, dumpinomap); - CLRINO(dp->inode, usedinomap); *tapesize -= blockest(ip); } - /* Add dir back to the dir map, to propagate nodump */ + /* Add dir back to the dir map and remove from + * usedinomap to propagate nodump */ if ((ip->di_mode & IFMT) == IFDIR) { SETINO(dp->inode, dumpdirmap); + CLRINO(dp->inode, usedinomap); *ret |= HASSUBDIRS; } } else { @@ -741,8 +752,8 @@ struct block_context { * Dump a block to the tape */ static int -dumponeblock(ext2_filsys fs, blk_t *blocknr, e2_blkcnt_t blockcnt, - blk_t ref_block, int ref_offset, void * private) +dumponeblock(UNUSED(ext2_filsys fs), blk_t *blocknr, e2_blkcnt_t blockcnt, + UNUSED(blk_t ref_block), UNUSED(int ref_offset), void * private) { struct block_context *p; int i; @@ -773,19 +784,24 @@ dumponeblock(ext2_filsys fs, blk_t *blocknr, e2_blkcnt_t blockcnt, * Dump the contents of an inode to tape. */ void -dumpino(struct dinode *dp, dump_ino_t ino) +dumpino(struct dinode *dp, dump_ino_t ino, int metaonly) { unsigned long cnt; fsizeT size, remaining; char buf[TP_BSIZE]; - struct old_bsd_inode obi; + struct new_bsd_inode nbi; int i; #ifdef __linux__ struct block_context bc; #else int ind_level; #endif - u_quad_t i_size = dp->di_size + ((u_quad_t) dp->di_size_high << 32); + u_quad_t i_size; + + if (metaonly) + i_size = 0; + else + i_size = dp->di_size + ((u_quad_t) dp->di_size_high << 32); if (newtape) { newtape = 0; @@ -793,27 +809,38 @@ dumpino(struct dinode *dp, dump_ino_t ino) } CLRINO(ino, dumpinomap); #ifdef __linux__ - memset(&obi, 0, sizeof(obi)); - obi.di_mode = dp->di_mode; - obi.di_uid = dp->di_uid; - obi.di_gid = dp->di_gid; - obi.di_qsize.v = i_size; - obi.di_atime = dp->di_atime; - obi.di_mtime = dp->di_mtime; - obi.di_ctime = dp->di_ctime; - obi.di_nlink = dp->di_nlink; - obi.di_blocks = dp->di_blocks; - obi.di_flags = dp->di_flags; - obi.di_gen = dp->di_gen; - memmove(&obi.di_db, &dp->di_db, (NDADDR + NIADDR) * sizeof(daddr_t)); + memset(&nbi, 0, sizeof(nbi)); + nbi.di_mode = dp->di_mode; + nbi.di_nlink = dp->di_nlink; + nbi.di_ouid = dp->di_uid; + nbi.di_ogid = dp->di_gid; + nbi.di_size = i_size; + nbi.di_atime.tv_sec = dp->di_atime; + nbi.di_mtime.tv_sec = dp->di_mtime; + nbi.di_ctime.tv_sec = dp->di_ctime; + memmove(&nbi.di_db, &dp->di_db, (NDADDR + NIADDR) * sizeof(daddr_t)); + nbi.di_flags = dp->di_flags; + nbi.di_blocks = dp->di_blocks; + nbi.di_gen = dp->di_gen; + nbi.di_uid = (((int32_t)dp->di_uidhigh) << 16) | dp->di_uid; + nbi.di_gid = (((int32_t)dp->di_gidhigh) << 16) | dp->di_gid; if (dp->di_file_acl) - warn("ACLs in inode #%ld won't be dumped", (long)ino); - memmove(&spcl.c_dinode, &obi, sizeof(obi)); + msg("ACLs in inode #%ld won't be dumped\n", (long)ino); + memmove(&spcl.c_dinode, &nbi, sizeof(nbi)); #else /* __linux__ */ spcl.c_dinode = *dp; #endif /* __linux__ */ spcl.c_type = TS_INODE; spcl.c_count = 0; + + if (metaonly && (dp->di_mode & S_IFMT)) { + spcl.c_flags |= DR_METAONLY; + spcl.c_count = 0; + writeheader(ino); + spcl.c_flags &= ~DR_METAONLY; + return; + } + switch (dp->di_mode & S_IFMT) { case 0: @@ -877,7 +904,7 @@ dumpino(struct dinode *dp, dump_ino_t ino) msg("Warning: undefined file type 0%o\n", dp->di_mode & IFMT); return; } - if (i_size > NDADDR * sblock->fs_bsize) + if (i_size > (u_quad_t)NDADDR * sblock->fs_bsize) #ifdef __linux__ cnt = NDADDR * EXT2_FRAGS_PER_BLOCK(fs->super); #else @@ -899,7 +926,7 @@ dumpino(struct dinode *dp, dump_ino_t ino) /* deal with holes at the end of the inode */ if (i_size > ((u_quad_t)bc.next_block) * sblock->fs_fsize) { remaining = i_size - ((u_quad_t)bc.next_block) * sblock->fs_fsize; - for (i = 0; i < howmany(remaining, sblock->fs_fsize); i++) { + for (i = 0; i < (int)howmany(remaining, sblock->fs_fsize); i++) { bc.buf[bc.cnt++] = 0; if (bc.cnt == bc.max) { blksout (bc.buf, bc.cnt, bc.ino); @@ -936,25 +963,52 @@ struct convert_dir_context { * size of the entry, and creates it in a temporary buffer */ static int -convert_dir(struct ext2_dir_entry *dirent, int offset, int blocksize, char *buf, void *private) +convert_dir(struct ext2_dir_entry *dirent, UNUSED(int offset), + UNUSED(int blocksize), UNUSED(char *buf), void *private) { struct convert_dir_context *p; - struct olddirect *dp; + struct direct *dp; int reclen; p = (struct convert_dir_context *)private; reclen = EXT2_DIR_REC_LEN((dirent->name_len & 0xFF) + 1); if (((p->offset + reclen - 1) / p->bs) != (p->offset / p->bs)) { - dp = (struct olddirect *)(p->buf + p->prev_offset); + dp = (struct direct *)(p->buf + p->prev_offset); dp->d_reclen += p->bs - (p->offset % p->bs); p->offset += p->bs - (p->offset % p->bs); } - dp = (struct olddirect *)(p->buf + p->offset); + dp = (struct direct *)(p->buf + p->offset); dp->d_ino = dirent->inode; dp->d_reclen = reclen; dp->d_namlen = dirent->name_len & 0xFF; + switch ((dirent->name_len & 0xFF00) >> 8) { + default: + dp->d_type = DT_UNKNOWN; + break; + case EXT2_FT_REG_FILE: + dp->d_type = DT_REG; + break; + case EXT2_FT_DIR: + dp->d_type = DT_DIR; + break; + case EXT2_FT_CHRDEV: + dp->d_type = DT_CHR; + break; + case EXT2_FT_BLKDEV: + dp->d_type = DT_BLK; + break; + case EXT2_FT_FIFO: + dp->d_type = DT_FIFO; + break; + case EXT2_FT_SOCK: + dp->d_type = DT_SOCK; + break; + case EXT2_FT_SYMLINK: + dp->d_type = DT_LNK; + break; + } strncpy(dp->d_name, dirent->name, dp->d_namlen); dp->d_name[dp->d_namlen] = '\0'; p->prev_offset = p->offset; @@ -973,7 +1027,7 @@ dumpdirino(struct dinode *dp, dump_ino_t ino) { fsizeT size; char buf[TP_BSIZE]; - struct old_bsd_inode obi; + struct new_bsd_inode nbi; struct convert_dir_context cdc; errcode_t retval; struct ext2_dir_entry *de; @@ -1013,22 +1067,24 @@ dumpdirino(struct dinode *dp, dump_ino_t ino) dir_size = cdc.offset; #ifdef __linux__ - memset(&obi, 0, sizeof(obi)); - obi.di_mode = dp->di_mode; - obi.di_uid = dp->di_uid; - obi.di_gid = dp->di_gid; - obi.di_qsize.v = dir_size; /* (u_quad_t)dp->di_size; */ - obi.di_atime = dp->di_atime; - obi.di_mtime = dp->di_mtime; - obi.di_ctime = dp->di_ctime; - obi.di_nlink = dp->di_nlink; - obi.di_blocks = dp->di_blocks; - obi.di_flags = dp->di_flags; - obi.di_gen = dp->di_gen; - memmove(&obi.di_db, &dp->di_db, (NDADDR + NIADDR) * sizeof(daddr_t)); + memset(&nbi, 0, sizeof(nbi)); + nbi.di_mode = dp->di_mode; + nbi.di_nlink = dp->di_nlink; + nbi.di_ouid = dp->di_uid; + nbi.di_ogid = dp->di_gid; + nbi.di_size = dir_size; /* (u_quad_t)dp->di_size; */ + nbi.di_atime.tv_sec = dp->di_atime; + nbi.di_mtime.tv_sec = dp->di_mtime; + nbi.di_ctime.tv_sec = dp->di_ctime; + memmove(&nbi.di_db, &dp->di_db, (NDADDR + NIADDR) * sizeof(daddr_t)); + nbi.di_flags = dp->di_flags; + nbi.di_blocks = dp->di_blocks; + nbi.di_gen = dp->di_gen; + nbi.di_uid = (((int32_t)dp->di_uidhigh) << 16) | dp->di_uid; + nbi.di_gid = (((int32_t)dp->di_gidhigh) << 16) | dp->di_gid; if (dp->di_file_acl) - warn("ACLs in inode #%ld won't be dumped", (long)ino); - memmove(&spcl.c_dinode, &obi, sizeof(obi)); + msg("ACLs in inode #%ld won't be dumped\n", (long)ino); + memmove(&spcl.c_dinode, &nbi, sizeof(nbi)); #else /* __linux__ */ spcl.c_dinode = *dp; #endif /* __linux__ */ @@ -1257,7 +1313,6 @@ void bread(daddr_t blkno, char *buf, int size) { int cnt, i; - extern int errno; loop: #ifdef __linux__ @@ -1285,11 +1340,12 @@ loop: goto loop; } if (cnt == -1) - msg("read error from %s: %s: [block %d]: count=%d\n", - disk, strerror(errno), blkno, size); + msg("read error from %s: %s: [block %d, ext2blk %d]: count=%d\n", + disk, strerror(errno), blkno, + dbtofsb(sblock, blkno), size); else - msg("short read error from %s: [block %d]: count=%d, got=%d\n", - disk, blkno, size, cnt); + msg("short read error from %s: [block %d, ext2blk %d]: count=%d, got=%d\n", + disk, blkno, dbtofsb(sblock, blkno), size, cnt); if (++breaderrors > breademax) { msg("More than %d block read errors from %d\n", breademax, disk); @@ -1317,11 +1373,12 @@ loop: if ((cnt = read(diskfd, buf, (int)dev_bsize)) == dev_bsize) continue; if (cnt == -1) { - msg("read error from %s: %s: [sector %d]: count=%d\n", - disk, strerror(errno), blkno, dev_bsize); + msg("read error from %s: %s: [sector %d, ext2blk %d]: count=%d\n", + disk, strerror(errno), blkno, + dbtofsb(sblock, blkno), dev_bsize); continue; } - msg("short read error from %s: [sector %d]: count=%d, got=%d\n", - disk, blkno, dev_bsize, cnt); + msg("short read error from %s: [sector %d, ext2blk %d]: count=%d, got=%d\n", + disk, blkno, dbtofsb(sblock, blkno), dev_bsize, cnt); } }