Home | History | Annotate | Line # | Download | only in mtree
compare.c revision 1.30
      1  1.30     lukem /*	$NetBSD: compare.c,v 1.30 2001/10/18 04:37:56 lukem Exp $	*/
      2   1.8       cgd 
      3   1.1       cgd /*-
      4   1.7       cgd  * Copyright (c) 1989, 1993
      5   1.7       cgd  *	The Regents of the University of California.  All rights reserved.
      6   1.1       cgd  *
      7   1.1       cgd  * Redistribution and use in source and binary forms, with or without
      8   1.1       cgd  * modification, are permitted provided that the following conditions
      9   1.1       cgd  * are met:
     10   1.1       cgd  * 1. Redistributions of source code must retain the above copyright
     11   1.1       cgd  *    notice, this list of conditions and the following disclaimer.
     12   1.1       cgd  * 2. Redistributions in binary form must reproduce the above copyright
     13   1.1       cgd  *    notice, this list of conditions and the following disclaimer in the
     14   1.1       cgd  *    documentation and/or other materials provided with the distribution.
     15   1.1       cgd  * 3. All advertising materials mentioning features or use of this software
     16   1.1       cgd  *    must display the following acknowledgement:
     17   1.1       cgd  *	This product includes software developed by the University of
     18   1.1       cgd  *	California, Berkeley and its contributors.
     19   1.1       cgd  * 4. Neither the name of the University nor the names of its contributors
     20   1.1       cgd  *    may be used to endorse or promote products derived from this software
     21   1.1       cgd  *    without specific prior written permission.
     22   1.1       cgd  *
     23   1.1       cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24   1.1       cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25   1.1       cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26   1.1       cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27   1.1       cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28   1.1       cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29   1.1       cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30   1.1       cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31   1.1       cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32   1.1       cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33   1.1       cgd  * SUCH DAMAGE.
     34   1.1       cgd  */
     35   1.1       cgd 
     36  1.13     lukem #include <sys/cdefs.h>
     37   1.1       cgd #ifndef lint
     38   1.8       cgd #if 0
     39   1.7       cgd static char sccsid[] = "@(#)compare.c	8.1 (Berkeley) 6/6/93";
     40   1.8       cgd #else
     41  1.30     lukem __RCSID("$NetBSD: compare.c,v 1.30 2001/10/18 04:37:56 lukem Exp $");
     42   1.8       cgd #endif
     43   1.1       cgd #endif /* not lint */
     44   1.1       cgd 
     45   1.1       cgd #include <sys/param.h>
     46   1.1       cgd #include <sys/stat.h>
     47  1.18     jwise #include <sys/types.h>
     48  1.24    simonb 
     49  1.24    simonb #include <errno.h>
     50   1.4       cgd #include <fcntl.h>
     51   1.1       cgd #include <fts.h>
     52  1.18     jwise #include <md5.h>
     53   1.1       cgd #include <stdio.h>
     54   1.1       cgd #include <time.h>
     55   1.4       cgd #include <unistd.h>
     56  1.24    simonb 
     57   1.1       cgd #include "mtree.h"
     58   1.4       cgd #include "extern.h"
     59   1.4       cgd 
     60   1.4       cgd #define	INDENTNAMELEN	8
     61  1.20       mrg #define MARK                                                                  \
     62  1.20       mrg do {                                                                          \
     63  1.20       mrg 	len = printf("%s: ", RP(p));                                          \
     64  1.20       mrg 	if (len > INDENTNAMELEN) {                                            \
     65  1.20       mrg 		tab = "\t";                                                   \
     66  1.20       mrg 		(void)printf("\n");                                           \
     67  1.20       mrg 	} else {                                                              \
     68  1.20       mrg 		tab = "";                                                     \
     69  1.20       mrg 		(void)printf("%*s", INDENTNAMELEN - (int)len, "");            \
     70  1.20       mrg 	}                                                                     \
     71  1.20       mrg } while (0)
     72  1.20       mrg #define	LABEL if (!label++) MARK
     73  1.20       mrg 
     74  1.20       mrg #define CHANGEFLAGS(path, oflags) \
     75  1.20       mrg 	if (flags != (oflags)) {                                              \
     76  1.20       mrg 		if (!label) {                                                 \
     77  1.20       mrg 			MARK;                                                 \
     78  1.20       mrg 			(void)printf("%sflags (\"%s\"", tab,                  \
     79  1.20       mrg 			    flags_to_string(p->fts_statp->st_flags, "none")); \
     80  1.20       mrg 		}                                                             \
     81  1.20       mrg 		if (chflags(path, flags)) {                                   \
     82  1.20       mrg 			label++;                                              \
     83  1.20       mrg 			(void)printf(", not modified: %s)\n",                 \
     84  1.20       mrg 			    strerror(errno));                                 \
     85  1.20       mrg 		} else                                                        \
     86  1.20       mrg 			(void)printf(", modified to \"%s\")\n",               \
     87  1.20       mrg 			     flags_to_string(flags, "none"));                 \
     88   1.4       cgd 	}
     89   1.1       cgd 
     90  1.20       mrg /* SETFLAGS:
     91  1.20       mrg  * given pflags, additionally set those flags specified in sflags and
     92  1.20       mrg  * selected by mask (the other flags are left unchanged). oflags is
     93  1.20       mrg  * passed as reference to check if chflags is necessary.
     94  1.20       mrg  */
     95  1.20       mrg #define SETFLAGS(path, sflags, pflags, oflags, mask)                          \
     96  1.20       mrg do {                                                                          \
     97  1.20       mrg 	flags = ((sflags) & (mask)) | (pflags);                               \
     98  1.20       mrg         CHANGEFLAGS(path, oflags);                                            \
     99  1.20       mrg } while (0)
    100  1.20       mrg 
    101  1.20       mrg /* CLEARFLAGS:
    102  1.20       mrg  * given pflags, reset the flags specified in sflags and selected by mask
    103  1.20       mrg  * (the other flags are left unchanged). oflags is
    104  1.20       mrg  * passed as reference to check if chflags is necessary.
    105  1.20       mrg  */
    106  1.20       mrg #define CLEARFLAGS(path, sflags, pflags, oflags, mask)                        \
    107  1.20       mrg do {                                                                          \
    108  1.20       mrg 	flags = (~((sflags) & (mask)) & CH_MASK) & (pflags);                  \
    109  1.20       mrg         CHANGEFLAGS(path, oflags);                                            \
    110  1.20       mrg } while (0)
    111  1.20       mrg 
    112   1.4       cgd int
    113  1.25     lukem compare(const char *name, NODE *s, FTSENT *p)
    114   1.1       cgd {
    115  1.20       mrg 	u_int32_t len, val, flags;
    116   1.4       cgd 	int fd, label;
    117  1.30     lukem 	const char *cp, *tab;
    118  1.18     jwise 	char md5buf[35];
    119   1.1       cgd 
    120  1.13     lukem 	tab = NULL;
    121   1.1       cgd 	label = 0;
    122   1.1       cgd 	switch(s->type) {
    123   1.1       cgd 	case F_BLOCK:
    124   1.3   deraadt 		if (!S_ISBLK(p->fts_statp->st_mode))
    125   1.1       cgd 			goto typeerr;
    126   1.1       cgd 		break;
    127   1.1       cgd 	case F_CHAR:
    128   1.3   deraadt 		if (!S_ISCHR(p->fts_statp->st_mode))
    129   1.1       cgd 			goto typeerr;
    130   1.1       cgd 		break;
    131   1.1       cgd 	case F_DIR:
    132   1.3   deraadt 		if (!S_ISDIR(p->fts_statp->st_mode))
    133   1.1       cgd 			goto typeerr;
    134   1.1       cgd 		break;
    135   1.1       cgd 	case F_FIFO:
    136   1.3   deraadt 		if (!S_ISFIFO(p->fts_statp->st_mode))
    137   1.1       cgd 			goto typeerr;
    138   1.1       cgd 		break;
    139   1.1       cgd 	case F_FILE:
    140   1.3   deraadt 		if (!S_ISREG(p->fts_statp->st_mode))
    141   1.1       cgd 			goto typeerr;
    142   1.1       cgd 		break;
    143   1.1       cgd 	case F_LINK:
    144   1.3   deraadt 		if (!S_ISLNK(p->fts_statp->st_mode))
    145   1.1       cgd 			goto typeerr;
    146   1.1       cgd 		break;
    147   1.1       cgd 	case F_SOCK:
    148   1.4       cgd 		if (!S_ISSOCK(p->fts_statp->st_mode)) {
    149   1.1       cgd typeerr:		LABEL;
    150   1.4       cgd 			(void)printf("\ttype (%s, %s)\n",
    151  1.27     lukem 			    nodetype(s->type), inotype(p->fts_statp->st_mode));
    152   1.1       cgd 		}
    153   1.1       cgd 		break;
    154   1.1       cgd 	}
    155  1.20       mrg 	if (iflag && !uflag) {
    156  1.20       mrg 		if (s->flags & F_FLAGS)
    157  1.20       mrg 		    SETFLAGS(p->fts_accpath, s->st_flags,
    158  1.20       mrg 			p->fts_statp->st_flags, p->fts_statp->st_flags,
    159  1.20       mrg 			SP_FLGS);
    160  1.20       mrg 		return (label);
    161  1.20       mrg         }
    162  1.20       mrg 	if (mflag && !uflag) {
    163  1.20       mrg 		if (s->flags & F_FLAGS)
    164  1.20       mrg 		    CLEARFLAGS(p->fts_accpath, s->st_flags,
    165  1.20       mrg 			p->fts_statp->st_flags, p->fts_statp->st_flags,
    166  1.20       mrg 			SP_FLGS);
    167  1.20       mrg 		return (label);
    168  1.20       mrg         }
    169   1.4       cgd 	/* Set the uid/gid first, then set the mode. */
    170   1.4       cgd 	if (s->flags & (F_UID | F_UNAME) && s->st_uid != p->fts_statp->st_uid) {
    171   1.1       cgd 		LABEL;
    172  1.19  christos 		(void)printf("%suser (%lu, %lu",
    173  1.19  christos 		    tab, (u_long)s->st_uid, (u_long)p->fts_statp->st_uid);
    174  1.19  christos 		if (uflag) {
    175   1.4       cgd 			if (chown(p->fts_accpath, s->st_uid, -1))
    176   1.4       cgd 				(void)printf(", not modified: %s)\n",
    177   1.1       cgd 				    strerror(errno));
    178   1.1       cgd 			else
    179   1.4       cgd 				(void)printf(", modified)\n");
    180  1.19  christos 		} else
    181   1.4       cgd 			(void)printf(")\n");
    182   1.4       cgd 		tab = "\t";
    183   1.1       cgd 	}
    184   1.4       cgd 	if (s->flags & (F_GID | F_GNAME) && s->st_gid != p->fts_statp->st_gid) {
    185   1.1       cgd 		LABEL;
    186  1.19  christos 		(void)printf("%sgid (%lu, %lu",
    187  1.19  christos 		    tab, (u_long)s->st_gid, (u_long)p->fts_statp->st_gid);
    188  1.19  christos 		if (uflag) {
    189   1.4       cgd 			if (chown(p->fts_accpath, -1, s->st_gid))
    190   1.5       cgd 				(void)printf(", not modified: %s)\n",
    191   1.1       cgd 				    strerror(errno));
    192   1.1       cgd 			else
    193   1.5       cgd 				(void)printf(", modified)\n");
    194  1.19  christos 		}
    195   1.4       cgd 		else
    196   1.4       cgd 			(void)printf(")\n");
    197   1.4       cgd 		tab = "\t";
    198   1.1       cgd 	}
    199   1.4       cgd 	if (s->flags & F_MODE &&
    200   1.4       cgd 	    s->st_mode != (p->fts_statp->st_mode & MBITS)) {
    201  1.26     perry 		if (lflag) {
    202  1.26     perry 			mode_t tmode, mode;
    203  1.26     perry 
    204  1.26     perry 			tmode = s->st_mode;
    205  1.26     perry 			mode = p->fts_statp->st_mode & MBITS;
    206  1.26     perry 			/*
    207  1.26     perry 			 * if none of the suid/sgid/etc bits are set,
    208  1.26     perry 			 * then if the mode is a subset of the target,
    209  1.26     perry 			 * skip.
    210  1.26     perry 			 */
    211  1.26     perry 			if (!((tmode & ~(S_IRWXU|S_IRWXG|S_IRWXO)) ||
    212  1.26     perry 			    (mode & ~(S_IRWXU|S_IRWXG|S_IRWXO))))
    213  1.26     perry 				if ((mode | tmode) == tmode)
    214  1.26     perry 					goto skip;
    215  1.26     perry 		}
    216  1.26     perry 
    217   1.1       cgd 		LABEL;
    218  1.19  christos 		(void)printf("%spermissions (%#lo, %#lo",
    219  1.19  christos 		    tab, (u_long)s->st_mode,
    220  1.19  christos 		    (u_long)p->fts_statp->st_mode & MBITS);
    221  1.19  christos 		if (uflag) {
    222   1.4       cgd 			if (chmod(p->fts_accpath, s->st_mode))
    223   1.5       cgd 				(void)printf(", not modified: %s)\n",
    224   1.1       cgd 				    strerror(errno));
    225   1.1       cgd 			else
    226   1.5       cgd 				(void)printf(", modified)\n");
    227  1.19  christos 		}
    228   1.4       cgd 		else
    229   1.4       cgd 			(void)printf(")\n");
    230   1.4       cgd 		tab = "\t";
    231  1.26     perry 	skip:
    232  1.29     lukem 	}
    233  1.29     lukem 	if (s->flags & F_DEV &&
    234  1.29     lukem 	    (s->type == F_BLOCK || s->type == F_CHAR) &&
    235  1.29     lukem 	    s->st_rdev != p->fts_statp->st_rdev) {
    236  1.29     lukem 		LABEL;
    237  1.29     lukem 		(void)printf("%sdevice (%#x, %#x",
    238  1.29     lukem 		    tab, s->st_rdev, p->fts_statp->st_rdev);
    239  1.29     lukem 		if (uflag) {
    240  1.29     lukem 	/* XXXLUKEM: unlink first ? */
    241  1.29     lukem 			if (mknod(p->fts_accpath, s->st_mode, s->st_rdev))
    242  1.29     lukem 				(void)printf(", not modified: %s)\n",
    243  1.29     lukem 				    strerror(errno));
    244  1.29     lukem 			else
    245  1.29     lukem 				(void)printf(", modified)\n");
    246  1.29     lukem 		} else
    247  1.29     lukem 			(void)printf(")\n");
    248  1.29     lukem 		tab = "\t";
    249   1.1       cgd 	}
    250   1.1       cgd 	if (s->flags & F_NLINK && s->type != F_DIR &&
    251   1.3   deraadt 	    s->st_nlink != p->fts_statp->st_nlink) {
    252   1.1       cgd 		LABEL;
    253  1.19  christos 		(void)printf("%slink count (%lu, %lu)\n",
    254  1.19  christos 		    tab, (u_long)s->st_nlink, (u_long)p->fts_statp->st_nlink);
    255   1.4       cgd 		tab = "\t";
    256   1.1       cgd 	}
    257   1.3   deraadt 	if (s->flags & F_SIZE && s->st_size != p->fts_statp->st_size) {
    258   1.1       cgd 		LABEL;
    259  1.23     lukem 		(void)printf("%ssize (%lld, %lld)\n",
    260  1.14     enami 		    tab, (long long)s->st_size,
    261  1.14     enami 		    (long long)p->fts_statp->st_size);
    262   1.4       cgd 		tab = "\t";
    263   1.4       cgd 	}
    264   1.7       cgd 	/*
    265   1.7       cgd 	 * XXX
    266  1.11   mycroft 	 * Since utimes(2) only takes a timeval, there's no point in
    267  1.11   mycroft 	 * comparing the low bits of the timespec nanosecond field.  This
    268  1.11   mycroft 	 * will only result in mismatches that we can never fix.
    269  1.11   mycroft 	 *
    270  1.11   mycroft 	 * Doesn't display microsecond differences.
    271   1.7       cgd 	 */
    272  1.11   mycroft 	if (s->flags & F_TIME) {
    273  1.11   mycroft 		struct timeval tv[2];
    274  1.21  christos 		struct stat *ps = p->fts_statp;
    275  1.22  christos 		time_t smtime = s->st_mtimespec.tv_sec;
    276  1.22  christos 
    277  1.21  christos #ifdef BSD4_4
    278  1.21  christos 		time_t pmtime = ps->st_mtimespec.tv_sec;
    279  1.11   mycroft 
    280  1.21  christos 		TIMESPEC_TO_TIMEVAL(&tv[1], &ps->st_mtimespec);
    281  1.21  christos #else
    282  1.22  christos 		time_t pmtime = (time_t)ps->st_mtime;
    283  1.21  christos 
    284  1.21  christos 		tv[1].tv_sec = ps->st_mtime;
    285  1.21  christos 		tv[1].tv_usec = 0;
    286  1.21  christos #endif
    287  1.22  christos 		TIMESPEC_TO_TIMEVAL(&tv[0], &s->st_mtimespec);
    288  1.21  christos 
    289  1.11   mycroft 		if (tv[0].tv_sec != tv[1].tv_sec ||
    290  1.11   mycroft 		    tv[0].tv_usec != tv[1].tv_usec) {
    291  1.11   mycroft 			LABEL;
    292  1.11   mycroft 			(void)printf("%smodification time (%.24s, ",
    293  1.21  christos 			    tab, ctime(&smtime));
    294  1.21  christos 			(void)printf("%.24s", ctime(&pmtime));
    295  1.11   mycroft 			if (tflag) {
    296  1.11   mycroft 				tv[1] = tv[0];
    297  1.11   mycroft 				if (utimes(p->fts_accpath, tv))
    298  1.11   mycroft 					(void)printf(", not modified: %s)\n",
    299  1.11   mycroft 					    strerror(errno));
    300  1.11   mycroft 				else
    301  1.11   mycroft 					(void)printf(", modified)\n");
    302  1.11   mycroft 			} else
    303  1.11   mycroft 				(void)printf(")\n");
    304  1.11   mycroft 			tab = "\t";
    305  1.11   mycroft 		}
    306  1.17       mrg 	}
    307  1.17       mrg 	/*
    308  1.17       mrg 	 * XXX
    309  1.17       mrg 	 * since chflags(2) will reset file times, the utimes() above
    310  1.17       mrg 	 * may have been useless!  oh well, we'd rather have correct
    311  1.17       mrg 	 * flags, rather than times?
    312  1.17       mrg 	 */
    313  1.20       mrg         if ((s->flags & F_FLAGS) && ((s->st_flags != p->fts_statp->st_flags)
    314  1.20       mrg 	    || mflag || iflag)) {
    315  1.20       mrg 		if (s->st_flags != p->fts_statp->st_flags) {
    316  1.20       mrg 			LABEL;
    317  1.20       mrg 			(void)printf("%sflags (\"%s\" is not ", tab,
    318  1.20       mrg 			    flags_to_string(s->st_flags, "none"));
    319  1.20       mrg 			(void)printf("\"%s\"",
    320  1.20       mrg 			    flags_to_string(p->fts_statp->st_flags, "none"));
    321  1.20       mrg 		}
    322  1.19  christos 		if (uflag) {
    323  1.20       mrg 			if (iflag)
    324  1.20       mrg 				SETFLAGS(p->fts_accpath, s->st_flags,
    325  1.20       mrg 				    0, p->fts_statp->st_flags, CH_MASK);
    326  1.20       mrg 			else if (mflag)
    327  1.20       mrg 				CLEARFLAGS(p->fts_accpath, s->st_flags,
    328  1.20       mrg 				    0, p->fts_statp->st_flags, SP_FLGS);
    329  1.17       mrg 			else
    330  1.20       mrg 				SETFLAGS(p->fts_accpath, s->st_flags,
    331  1.20       mrg 			     	    0, p->fts_statp->st_flags,
    332  1.20       mrg 				    (~SP_FLGS & CH_MASK));
    333  1.19  christos 		} else
    334  1.17       mrg 			(void)printf(")\n");
    335  1.17       mrg 		tab = "\t";
    336   1.1       cgd 	}
    337  1.15      ross 	if (s->flags & F_CKSUM) {
    338   1.4       cgd 		if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0) {
    339   1.4       cgd 			LABEL;
    340   1.4       cgd 			(void)printf("%scksum: %s: %s\n",
    341   1.4       cgd 			    tab, p->fts_accpath, strerror(errno));
    342   1.4       cgd 			tab = "\t";
    343   1.4       cgd 		} else if (crc(fd, &val, &len)) {
    344   1.4       cgd 			(void)close(fd);
    345   1.1       cgd 			LABEL;
    346   1.4       cgd 			(void)printf("%scksum: %s: %s\n",
    347   1.4       cgd 			    tab, p->fts_accpath, strerror(errno));
    348   1.4       cgd 			tab = "\t";
    349   1.4       cgd 		} else {
    350   1.4       cgd 			(void)close(fd);
    351   1.4       cgd 			if (s->cksum != val) {
    352   1.4       cgd 				LABEL;
    353   1.4       cgd 				(void)printf("%scksum (%lu, %lu)\n",
    354  1.16  wsanchez 				    tab, s->cksum, (unsigned long)val);
    355   1.4       cgd 			}
    356   1.4       cgd 			tab = "\t";
    357   1.1       cgd 		}
    358  1.15      ross 	}
    359  1.18     jwise 	if (s->flags & F_MD5) {
    360  1.18     jwise 		if (MD5File(p->fts_accpath, md5buf) == NULL) {
    361  1.18     jwise 			LABEL;
    362  1.18     jwise 			(void)printf("%smd5: %s: %s\n",
    363  1.18     jwise 			    tab, p->fts_accpath, strerror(errno));
    364  1.18     jwise 			tab = "\t";
    365  1.18     jwise 		} else {
    366  1.18     jwise 			if (strcmp(s->md5sum, md5buf)) {
    367  1.18     jwise 				LABEL;
    368  1.18     jwise 				(void)printf("%smd5 (0x%s, 0x%s)\n",
    369  1.18     jwise 				    tab, s->md5sum, md5buf);
    370  1.18     jwise 			}
    371  1.18     jwise 			tab = "\t";
    372  1.18     jwise 		}
    373  1.18     jwise 	}
    374  1.18     jwise 
    375   1.4       cgd 	if (s->flags & F_SLINK && strcmp(cp = rlink(name), s->slink)) {
    376   1.1       cgd 		LABEL;
    377   1.4       cgd 		(void)printf("%slink ref (%s, %s)\n", tab, cp, s->slink);
    378   1.1       cgd 	}
    379   1.4       cgd 	return (label);
    380   1.1       cgd }
    381   1.1       cgd 
    382  1.25     lukem const char *
    383  1.24    simonb inotype(u_int type)
    384   1.1       cgd {
    385  1.24    simonb 
    386  1.27     lukem 	return (nodetype(type & S_IFMT));
    387   1.1       cgd }
    388   1.1       cgd 
    389  1.27     lukem const char *
    390  1.27     lukem nodetype(u_int type)
    391   1.1       cgd {
    392  1.24    simonb 
    393   1.1       cgd 	switch(type) {
    394   1.1       cgd 	case F_BLOCK:
    395  1.25     lukem 	case S_IFBLK:
    396   1.4       cgd 		return ("block");
    397   1.1       cgd 	case F_CHAR:
    398  1.25     lukem 	case S_IFCHR:
    399   1.4       cgd 		return ("char");
    400   1.1       cgd 	case F_DIR:
    401  1.25     lukem 	case S_IFDIR:
    402   1.4       cgd 		return ("dir");
    403   1.1       cgd 	case F_FIFO:
    404  1.25     lukem 	case S_IFIFO:
    405   1.4       cgd 		return ("fifo");
    406   1.1       cgd 	case F_FILE:
    407  1.25     lukem 	case S_IFREG:
    408   1.4       cgd 		return ("file");
    409   1.1       cgd 	case F_LINK:
    410  1.25     lukem 	case S_IFLNK:
    411   1.4       cgd 		return ("link");
    412   1.1       cgd 	case F_SOCK:
    413  1.25     lukem 	case S_IFSOCK:
    414   1.4       cgd 		return ("socket");
    415   1.1       cgd 	default:
    416   1.4       cgd 		return ("unknown");
    417   1.1       cgd 	}
    418   1.1       cgd 	/* NOTREACHED */
    419   1.1       cgd }
    420   1.1       cgd 
    421  1.25     lukem const char *
    422  1.25     lukem rlink(const char *name)
    423   1.1       cgd {
    424   1.4       cgd 	static char lbuf[MAXPATHLEN];
    425  1.13     lukem 	int len;
    426   1.1       cgd 
    427   1.4       cgd 	if ((len = readlink(name, lbuf, sizeof(lbuf))) == -1)
    428  1.16  wsanchez 		mtree_err("%s: %s", name, strerror(errno));
    429   1.1       cgd 	lbuf[len] = '\0';
    430   1.4       cgd 	return (lbuf);
    431   1.1       cgd }
    432