X-Git-Url: https://git.wh0rd.org/?p=dump.git;a=blobdiff_plain;f=restore%2Fdirs.c;h=60f5b23673b15eebe42576aa3887ded3b2e8c894;hp=e4cffd956755f3d25a55eecbbd211aaefc8f102e;hb=5d2a3d246d400d45dfd4c49ddb588c69fb60873d;hpb=ec387a1267f4cac7625cd5b6d1c1f080d39085b3 diff --git a/restore/dirs.c b/restore/dirs.c index e4cffd9..60f5b23 100644 --- a/restore/dirs.c +++ b/restore/dirs.c @@ -2,8 +2,8 @@ * Ported to Linux's Second Extended File System as part of the * dump and restore backup suit * Remy Card , 1994-1997 - * Stelian Pop , 1999 - * + * Stelian Pop , 1999-2000 + * Stelian Pop - Alcôve , 2000-2002 */ /* @@ -42,16 +42,24 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * - * $Id: dirs.c,v 1.5 1999/10/11 13:31:12 stelian Exp $ */ +#ifndef lint +static const char rcsid[] = + "$Id: dirs.c,v 1.17 2002/01/25 15:08:59 stelian Exp $"; +#endif /* not lint */ + +#include #include #include #include #ifdef __linux__ +#ifdef HAVE_EXT2FS_EXT2_FS_H +#include +#else #include +#endif #include #else /* __linux__ */ #include @@ -83,7 +91,7 @@ #define INOHASH(val) (val % HASHSIZE) struct inotab { struct inotab *t_next; - ino_t t_ino; + dump_ino_t t_ino; int32_t t_seekpt; int32_t t_size; }; @@ -93,7 +101,7 @@ static struct inotab *inotab[HASHSIZE]; * Information retained about directories. */ struct modeinfo { - ino_t ino; + dump_ino_t ino; struct timeval timep[2]; mode_t mode; uid_t uid; @@ -133,19 +141,19 @@ struct odirect { }; #ifdef __linux__ -static struct inotab *allocinotab __P((ino_t, struct new_bsd_inode *, long)); +static struct inotab *allocinotab __P((dump_ino_t, struct new_bsd_inode *, long)); #else -static struct inotab *allocinotab __P((ino_t, struct dinode *, long)); +static struct inotab *allocinotab __P((dump_ino_t, struct dinode *, long)); #endif static void dcvt __P((struct odirect *, struct direct *)); static void flushent __P((void)); -static struct inotab *inotablookup __P((ino_t)); +static struct inotab *inotablookup __P((dump_ino_t)); static RST_DIR *opendirfile __P((const char *)); static void putdir __P((char *, size_t)); static void putent __P((struct direct *)); static void rst_seekdir __P((RST_DIR *, long, long)); static long rst_telldir __P((RST_DIR *)); -static struct direct *searchdir __P((ino_t, char *)); +static struct direct *searchdir __P((dump_ino_t, char *)); /* * Extract directory contents, building up a directory structure @@ -156,11 +164,11 @@ static struct direct *searchdir __P((ino_t, char *)); void extractdirs(int genmode) { - register int i; + int i; #ifdef __linux__ - register struct new_bsd_inode *ip; + struct new_bsd_inode *ip; #else - register struct dinode *ip; + struct dinode *ip; #endif struct inotab *itp; struct direct nulldir; @@ -205,12 +213,13 @@ extractdirs(int genmode) curfile.action = USING; ip = curfile.dip; if (ip == NULL || (ip->di_mode & IFMT) != IFDIR) { - (void) fclose(df); + if ( fclose(df) == EOF ) + err(1, "cannot write to file %s", dirfile); dirp = opendirfile(dirfile); if (dirp == NULL) warn("opendirfile"); - if (mf != NULL) - (void) fclose(mf); + if (mf != NULL && fclose(mf) == EOF ) + err(1, "cannot write to file %s", dirfile); i = dirlookup(dot); if (i == 0) panic("Root directory is not on tape\n"); @@ -241,10 +250,10 @@ skipdirs(void) * pname and pass them off to be processed. */ void -treescan(char *pname, ino_t ino, long (*todo) __P((char *, ino_t, int))) +treescan(char *pname, dump_ino_t ino, long (*todo) __P((char *, dump_ino_t, int))) { - register struct inotab *itp; - register struct direct *dp; + struct inotab *itp; + struct direct *dp; int namelen; long bpt; char locname[MAXPATHLEN + 1]; @@ -306,7 +315,7 @@ treescan(char *pname, ino_t ino, long (*todo) __P((char *, ino_t, int))) struct direct * pathsearch(const char *pathname) { - ino_t ino; + dump_ino_t ino; struct direct *dp; char *path, *name, buffer[MAXPATHLEN]; @@ -329,10 +338,10 @@ pathsearch(const char *pathname) * Return its inode number if found, zero if it does not exist. */ static struct direct * -searchdir(ino_t inum, char *name) +searchdir(dump_ino_t inum, char *name) { - register struct direct *dp; - register struct inotab *itp; + struct direct *dp; + struct inotab *itp; int len; itp = inotablookup(inum); @@ -355,9 +364,9 @@ static void putdir(char *buf, size_t size) { struct direct cvtbuf; - register struct odirect *odp; + struct odirect *odp; struct odirect *eodp; - register struct direct *dp; + struct direct *dp; long loc, i; if (cvtflag) { @@ -377,10 +386,6 @@ putdir(char *buf, size_t size) if (Bcvt) swabst((u_char *)"is", (u_char *) dp); if (oldinofmt && dp->d_ino != 0) { -#ifdef __linux__ - if (Bcvt) - swabst((u_char *)"s", (u_char *)&dp->d_namlen); -#else # if BYTE_ORDER == BIG_ENDIAN if (Bcvt) dp->d_namlen = dp->d_type; @@ -388,16 +393,8 @@ putdir(char *buf, size_t size) if (!Bcvt) dp->d_namlen = dp->d_type; # endif -#endif /* __linux__ */ dp->d_type = DT_UNKNOWN; } -#ifdef __linux__ - /* - * Horrible hack to read FreeBSD 2.0 dumps - */ - if (!oldinofmt) - swabst((u_char *)"6bs", (u_char *) dp); -#endif /* __linux__ */ #ifdef DIRDEBUG printf ("reclen = %d, namlen = %d, type = %d\n", dp->d_reclen, dp->d_namlen, dp->d_type); @@ -406,7 +403,7 @@ putdir(char *buf, size_t size) if ((dp->d_reclen & 0x3) != 0 || dp->d_reclen > i || dp->d_reclen < DIRSIZ(0, dp) || - dp->d_namlen > NAME_MAX) { + dp->d_namlen > MAXNAMLEN) { Vprintf(stdout, "Mangled directory: "); if ((dp->d_reclen & 0x3) != 0) Vprintf(stdout, @@ -415,10 +412,10 @@ putdir(char *buf, size_t size) Vprintf(stdout, "reclen less than DIRSIZ (%d < %d) ", dp->d_reclen, DIRSIZ(0, dp)); - if (dp->d_namlen > NAME_MAX) + if (dp->d_namlen > MAXNAMLEN) Vprintf(stdout, "reclen name too big (%d > %d) ", - dp->d_namlen, NAME_MAX); + dp->d_namlen, MAXNAMLEN); Vprintf(stdout, "\n"); loc += i; continue; @@ -448,7 +445,8 @@ putent(struct direct *dp) if (dirloc + dp->d_reclen > DIRBLKSIZ) { ((struct direct *)(dirbuf + prev))->d_reclen = DIRBLKSIZ - prev; - (void) fwrite(dirbuf, 1, DIRBLKSIZ, df); + if ( fwrite(dirbuf, 1, DIRBLKSIZ, df) != DIRBLKSIZ ) + err(1,"cannot write to file %s", dirfile); dirloc = 0; } memmove(dirbuf + dirloc, dp, (size_t)dp->d_reclen); @@ -463,8 +461,11 @@ static void flushent(void) { ((struct direct *)(dirbuf + prev))->d_reclen = DIRBLKSIZ - prev; - (void) fwrite(dirbuf, (int)dirloc, 1, df); + if ( fwrite(dirbuf, (int)dirloc, 1, df) != 1 ) + err(1, "cannot write to file %s", dirfile); seekpt = ftell(df); + if (seekpt == -1) + err(1, "cannot write to file %s", dirfile); dirloc = 0; } @@ -508,7 +509,7 @@ rst_seekdir(RST_DIR *dirp, long loc, long base) struct direct * rst_readdir(RST_DIR *dirp) { - register struct direct *dp; + struct direct *dp; for (;;) { if (dirp->dd_loc == 0) { @@ -550,7 +551,7 @@ rst_opendir(const char *name) { struct inotab *itp; RST_DIR *dirp; - ino_t ino; + dump_ino_t ino; if ((ino = dirlookup(name)) > 0 && (itp = inotablookup(ino)) != NULL) { @@ -589,8 +590,8 @@ rst_telldir(RST_DIR *dirp) static RST_DIR * opendirfile(const char *name) { - register RST_DIR *dirp; - register int fd; + RST_DIR *dirp; + int fd; if ((fd = open(name, O_RDONLY)) == -1) return (NULL); @@ -671,9 +672,9 @@ setdirmodes(int flags) * Generate a literal copy of a directory. */ int -genliteraldir(char *name, ino_t ino) +genliteraldir(char *name, dump_ino_t ino) { - register struct inotab *itp; + struct inotab *itp; int ofile, dp, i, size; char buf[BUFSIZ]; @@ -708,7 +709,7 @@ genliteraldir(char *name, ino_t ino) * Determine the type of an inode */ int -inodetype(ino_t ino) +inodetype(dump_ino_t ino) { struct inotab *itp; @@ -724,12 +725,12 @@ inodetype(ino_t ino) */ static struct inotab * #ifdef __linux__ -allocinotab(ino_t ino, struct new_bsd_inode *dip, long seekpt) +allocinotab(dump_ino_t ino, struct new_bsd_inode *dip, long seekpt) #else -allocinotab(ino_t ino, struct dinode *dip, long seekpt) +allocinotab(dump_ino_t ino, struct dinode *dip, long seekpt) #endif { - register struct inotab *itp; + struct inotab *itp; struct modeinfo node; itp = calloc(1, sizeof(struct inotab)); @@ -757,7 +758,8 @@ allocinotab(ino_t ino, struct dinode *dip, long seekpt) node.flags = dip->di_flags; node.uid = dip->di_uid; node.gid = dip->di_gid; - (void) fwrite((char *)&node, 1, sizeof(struct modeinfo), mf); + if ( fwrite((char *)&node, 1, sizeof(struct modeinfo), mf) != sizeof(struct modeinfo) ) + err(1,"cannot write to file %s", modefile); return (itp); } @@ -765,9 +767,9 @@ allocinotab(ino_t ino, struct dinode *dip, long seekpt) * Look up an inode in the table of directories */ static struct inotab * -inotablookup(ino_t ino) +inotablookup(dump_ino_t ino) { - register struct inotab *itp; + struct inotab *itp; for (itp = inotab[INOHASH(ino)]; itp != NULL; itp = itp->t_next) if (itp->t_ino == ino)