create.c revision 99800
11553Srgrimes/*-
21553Srgrimes * Copyright (c) 1989, 1993
31553Srgrimes *	The Regents of the University of California.  All rights reserved.
41553Srgrimes *
51553Srgrimes * Redistribution and use in source and binary forms, with or without
61553Srgrimes * modification, are permitted provided that the following conditions
71553Srgrimes * are met:
81553Srgrimes * 1. Redistributions of source code must retain the above copyright
91553Srgrimes *    notice, this list of conditions and the following disclaimer.
101553Srgrimes * 2. Redistributions in binary form must reproduce the above copyright
111553Srgrimes *    notice, this list of conditions and the following disclaimer in the
121553Srgrimes *    documentation and/or other materials provided with the distribution.
131553Srgrimes * 3. All advertising materials mentioning features or use of this software
141553Srgrimes *    must display the following acknowledgement:
151553Srgrimes *	This product includes software developed by the University of
161553Srgrimes *	California, Berkeley and its contributors.
171553Srgrimes * 4. Neither the name of the University nor the names of its contributors
181553Srgrimes *    may be used to endorse or promote products derived from this software
191553Srgrimes *    without specific prior written permission.
201553Srgrimes *
211553Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
221553Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
231553Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
241553Srgrimes * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
251553Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
261553Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
271553Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
281553Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
291553Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
301553Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
311553Srgrimes * SUCH DAMAGE.
321553Srgrimes */
331553Srgrimes
341553Srgrimes#ifndef lint
3530027Scharnier#if 0
361553Srgrimesstatic char sccsid[] = "@(#)create.c	8.1 (Berkeley) 6/6/93";
3730027Scharnier#endif
3830027Scharnierstatic const char rcsid[] =
3950479Speter  "$FreeBSD: head/usr.sbin/mtree/create.c 99800 2002-07-11 18:31:16Z alfred $";
401553Srgrimes#endif /* not lint */
411553Srgrimes
421553Srgrimes#include <sys/param.h>
431553Srgrimes#include <sys/stat.h>
4430027Scharnier#include <dirent.h>
4530027Scharnier#include <err.h>
4630027Scharnier#include <errno.h>
471553Srgrimes#include <fcntl.h>
481553Srgrimes#include <fts.h>
491553Srgrimes#include <grp.h>
5044303Swollman#ifdef MD5
5130027Scharnier#include <md5.h>
5244303Swollman#endif
5344303Swollman#ifdef SHA1
5444303Swollman#include <sha.h>
5544303Swollman#endif
5644303Swollman#ifdef RMD160
5744303Swollman#include <ripemd.h>
5844303Swollman#endif
591553Srgrimes#include <pwd.h>
6030027Scharnier#include <stdio.h>
6130027Scharnier#include <time.h>
621553Srgrimes#include <unistd.h>
6342561Sjkoshy#include <vis.h>
641553Srgrimes#include "mtree.h"
651553Srgrimes#include "extern.h"
661553Srgrimes
671553Srgrimes#define	INDENTNAMELEN	15
681553Srgrimes#define	MAXLINELEN	80
691553Srgrimes
702860Srgrimesextern long int crc_total;
712860Srgrimesextern int ftsoptions;
722860Srgrimesextern int dflag, iflag, nflag, sflag;
7336670Speterextern u_int keys;
741553Srgrimesextern char fullpath[MAXPATHLEN];
7530027Scharnierextern int lineno;
761553Srgrimes
771553Srgrimesstatic gid_t gid;
781553Srgrimesstatic uid_t uid;
791553Srgrimesstatic mode_t mode;
8066584Sphkstatic u_long flags = 0xffffffff;
811553Srgrimes
8299800Salfredstatic int	dsort(const FTSENT **, const FTSENT **);
8399800Salfredstatic void	output(int, int *, const char *, ...) __printflike(3, 4);
8499800Salfredstatic int	statd(FTS *, FTSENT *, uid_t *, gid_t *, mode_t *, u_long *);
8599800Salfredstatic void	statf(int, FTSENT *);
861553Srgrimes
871553Srgrimesvoid
881553Srgrimescwalk()
891553Srgrimes{
901553Srgrimes	register FTS *t;
911553Srgrimes	register FTSENT *p;
921553Srgrimes	time_t clock;
931553Srgrimes	char *argv[2], host[MAXHOSTNAMELEN];
942860Srgrimes	int indent = 0;
951553Srgrimes
961553Srgrimes	(void)time(&clock);
971553Srgrimes	(void)gethostname(host, sizeof(host));
981553Srgrimes	(void)printf(
991553Srgrimes	    "#\t   user: %s\n#\tmachine: %s\n#\t   tree: %s\n#\t   date: %s",
1001553Srgrimes	    getlogin(), host, fullpath, ctime(&clock));
1011553Srgrimes
1021553Srgrimes	argv[0] = ".";
1031553Srgrimes	argv[1] = NULL;
1041553Srgrimes	if ((t = fts_open(argv, ftsoptions, dsort)) == NULL)
10530027Scharnier		err(1, "line %d: fts_open", lineno);
1062860Srgrimes	while ((p = fts_read(t))) {
1072860Srgrimes		if (iflag)
1082860Srgrimes			indent = p->fts_level * 4;
10960418Swollman		if (check_excludes(p->fts_name, p->fts_path)) {
11060418Swollman			fts_set(t, p, FTS_SKIP);
11160418Swollman			continue;
11260418Swollman		}
1131553Srgrimes		switch(p->fts_info) {
1141553Srgrimes		case FTS_D:
1152860Srgrimes			if (!dflag)
1162860Srgrimes				(void)printf("\n");
1172860Srgrimes			if (!nflag)
1182860Srgrimes				(void)printf("# %s\n", p->fts_path);
11954375Sjoe			statd(t, p, &uid, &gid, &mode, &flags);
1202860Srgrimes			statf(indent, p);
1211553Srgrimes			break;
1221553Srgrimes		case FTS_DP:
1232860Srgrimes			if (!nflag && (p->fts_level > 0))
1242860Srgrimes				(void)printf("%*s# %s\n", indent, "", p->fts_path);
1252860Srgrimes			(void)printf("%*s..\n", indent, "");
1262860Srgrimes			if (!dflag)
1272860Srgrimes				(void)printf("\n");
1281553Srgrimes			break;
1291553Srgrimes		case FTS_DNR:
1301553Srgrimes		case FTS_ERR:
1311553Srgrimes		case FTS_NS:
13230027Scharnier			warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
1331553Srgrimes			break;
1341553Srgrimes		default:
1351553Srgrimes			if (!dflag)
1362860Srgrimes				statf(indent, p);
1371553Srgrimes			break;
1388857Srgrimes
1391553Srgrimes		}
1402860Srgrimes	}
1411553Srgrimes	(void)fts_close(t);
1421553Srgrimes	if (sflag && keys & F_CKSUM)
14330027Scharnier		warnx("%s checksum: %lu", fullpath, crc_total);
1441553Srgrimes}
1451553Srgrimes
1461553Srgrimesstatic void
1472860Srgrimesstatf(indent, p)
1482860Srgrimes	int indent;
1491553Srgrimes	FTSENT *p;
1501553Srgrimes{
1511553Srgrimes	struct group *gr;
1521553Srgrimes	struct passwd *pw;
1531553Srgrimes	u_long len, val;
1542860Srgrimes	int fd, offset;
15561749Sjoe	char *fflags;
15642561Sjkoshy	char *escaped_name;
1571553Srgrimes
15842561Sjkoshy	escaped_name = calloc(1, p->fts_namelen * 4  +  1);
15942561Sjkoshy	if (escaped_name == NULL)
16042561Sjkoshy		errx(1, "statf(): calloc() failed");
16142787Sjkoshy	strvis(escaped_name, p->fts_name, VIS_WHITE | VIS_OCTAL);
16242561Sjkoshy
1632860Srgrimes	if (iflag || S_ISDIR(p->fts_statp->st_mode))
16442561Sjkoshy		offset = printf("%*s%s", indent, "", escaped_name);
1651553Srgrimes	else
16642561Sjkoshy		offset = printf("%*s    %s", indent, "", escaped_name);
16742561Sjkoshy
16842561Sjkoshy	free(escaped_name);
1691553Srgrimes
1702860Srgrimes	if (offset > (INDENTNAMELEN + indent))
1712860Srgrimes		offset = MAXLINELEN;
1721553Srgrimes	else
1732860Srgrimes		offset += printf("%*s", (INDENTNAMELEN + indent) - offset, "");
1741553Srgrimes
1752860Srgrimes	if (!S_ISREG(p->fts_statp->st_mode) && !dflag)
1762860Srgrimes		output(indent, &offset, "type=%s", inotype(p->fts_statp->st_mode));
1772860Srgrimes	if (p->fts_statp->st_uid != uid) {
1782860Srgrimes		if (keys & F_UNAME) {
1792860Srgrimes			if ((pw = getpwuid(p->fts_statp->st_uid)) != NULL) {
1802860Srgrimes				output(indent, &offset, "uname=%s", pw->pw_name);
1812860Srgrimes			} else {
18230027Scharnier				errx(1,
18330027Scharnier				"line %d: could not get uname for uid=%u",
18430027Scharnier				lineno, p->fts_statp->st_uid);
1852860Srgrimes			}
1862860Srgrimes		}
1872860Srgrimes		if (keys & F_UID)
1882860Srgrimes			output(indent, &offset, "uid=%u", p->fts_statp->st_uid);
1892860Srgrimes	}
1902860Srgrimes	if (p->fts_statp->st_gid != gid) {
1912860Srgrimes		if (keys & F_GNAME) {
1922860Srgrimes			if ((gr = getgrgid(p->fts_statp->st_gid)) != NULL) {
1932860Srgrimes				output(indent, &offset, "gname=%s", gr->gr_name);
1942860Srgrimes			} else {
19530027Scharnier				errx(1,
19630027Scharnier				"line %d: could not get gname for gid=%u",
19730027Scharnier				lineno, p->fts_statp->st_gid);
1982860Srgrimes			}
1992860Srgrimes		}
2002860Srgrimes		if (keys & F_GID)
2012860Srgrimes			output(indent, &offset, "gid=%u", p->fts_statp->st_gid);
2022860Srgrimes	}
2031553Srgrimes	if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode)
2042860Srgrimes		output(indent, &offset, "mode=%#o", p->fts_statp->st_mode & MBITS);
2051553Srgrimes	if (keys & F_NLINK && p->fts_statp->st_nlink != 1)
2062860Srgrimes		output(indent, &offset, "nlink=%u", p->fts_statp->st_nlink);
2071553Srgrimes	if (keys & F_SIZE)
2082860Srgrimes		output(indent, &offset, "size=%qd", p->fts_statp->st_size);
2091553Srgrimes	if (keys & F_TIME)
2102860Srgrimes		output(indent, &offset, "time=%ld.%ld",
21118404Snate		    p->fts_statp->st_mtimespec.tv_sec,
21218404Snate		    p->fts_statp->st_mtimespec.tv_nsec);
2131553Srgrimes	if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) {
2141553Srgrimes		if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 ||
2151553Srgrimes		    crc(fd, &val, &len))
21630027Scharnier			err(1, "line %d: %s", lineno, p->fts_accpath);
2171553Srgrimes		(void)close(fd);
2182860Srgrimes		output(indent, &offset, "cksum=%lu", val);
2191553Srgrimes	}
22044303Swollman#ifdef MD5
2216286Swollman	if (keys & F_MD5 && S_ISREG(p->fts_statp->st_mode)) {
22244303Swollman		char *digest, buf[33];
2236286Swollman
22444303Swollman		digest = MD5File(p->fts_accpath, buf);
22544303Swollman		if (!digest) {
22630027Scharnier			err(1, "line %d: %s", lineno, p->fts_accpath);
2276286Swollman		} else {
22844303Swollman			output(indent, &offset, "md5digest=%s", digest);
2296286Swollman		}
2306286Swollman	}
23144303Swollman#endif /* MD5 */
23244303Swollman#ifdef SHA1
23344303Swollman	if (keys & F_SHA1 && S_ISREG(p->fts_statp->st_mode)) {
23444303Swollman		char *digest, buf[41];
23544303Swollman
23644303Swollman		digest = SHA1_File(p->fts_accpath, buf);
23744303Swollman		if (!digest) {
23844303Swollman			err(1, "line %d: %s", lineno, p->fts_accpath);
23944303Swollman		} else {
24044303Swollman			output(indent, &offset, "sha1digest=%s", digest);
24144303Swollman		}
24244303Swollman	}
24344303Swollman#endif /* SHA1 */
24444303Swollman#ifdef RMD160
24544303Swollman	if (keys & F_RMD160 && S_ISREG(p->fts_statp->st_mode)) {
24644303Swollman		char *digest, buf[41];
24744303Swollman
24844303Swollman		digest = RIPEMD160_File(p->fts_accpath, buf);
24944303Swollman		if (!digest) {
25044303Swollman			err(1, "line %d: %s", lineno, p->fts_accpath);
25144303Swollman		} else {
25244303Swollman			output(indent, &offset, "ripemd160digest=%s", digest);
25344303Swollman		}
25444303Swollman	}
25544303Swollman#endif /* RMD160 */
2561553Srgrimes	if (keys & F_SLINK &&
2571553Srgrimes	    (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE))
2582860Srgrimes		output(indent, &offset, "link=%s", rlink(p->fts_accpath));
25961749Sjoe	if (keys & F_FLAGS && p->fts_statp->st_flags != flags) {
26061749Sjoe		fflags = flags_to_string(p->fts_statp->st_flags);
26161749Sjoe		output(indent, &offset, "flags=%s", fflags);
26261749Sjoe		free(fflags);
26361749Sjoe	}
2641553Srgrimes	(void)putchar('\n');
2651553Srgrimes}
2661553Srgrimes
2671553Srgrimes#define	MAXGID	5000
2681553Srgrimes#define	MAXUID	5000
2691553Srgrimes#define	MAXMODE	MBITS + 1
27054375Sjoe#define	MAXFLAGS 256
27154375Sjoe#define	MAXS 16
2721553Srgrimes
2731553Srgrimesstatic int
27454375Sjoestatd(t, parent, puid, pgid, pmode, pflags)
2751553Srgrimes	FTS *t;
2761553Srgrimes	FTSENT *parent;
2771553Srgrimes	uid_t *puid;
2781553Srgrimes	gid_t *pgid;
2791553Srgrimes	mode_t *pmode;
28054375Sjoe	u_long *pflags;
2811553Srgrimes{
2821553Srgrimes	register FTSENT *p;
2831553Srgrimes	register gid_t sgid;
2841553Srgrimes	register uid_t suid;
2851553Srgrimes	register mode_t smode;
28654375Sjoe	register u_long sflags;
2871553Srgrimes	struct group *gr;
2881553Srgrimes	struct passwd *pw;
2892860Srgrimes	gid_t savegid = *pgid;
2902860Srgrimes	uid_t saveuid = *puid;
2912860Srgrimes	mode_t savemode = *pmode;
29266584Sphk	u_long saveflags = *pflags;
29354375Sjoe	u_short maxgid, maxuid, maxmode, maxflags;
29454375Sjoe	u_short g[MAXGID], u[MAXUID], m[MAXMODE], f[MAXFLAGS];
29561749Sjoe	char *fflags;
2962877Srgrimes	static int first = 1;
2971553Srgrimes
2981553Srgrimes	if ((p = fts_children(t, 0)) == NULL) {
2991553Srgrimes		if (errno)
30030027Scharnier			err(1, "line %d: %s", lineno, RP(parent));
3011553Srgrimes		return (1);
3021553Srgrimes	}
3031553Srgrimes
3041553Srgrimes	bzero(g, sizeof(g));
3051553Srgrimes	bzero(u, sizeof(u));
3061553Srgrimes	bzero(m, sizeof(m));
30754375Sjoe	bzero(f, sizeof(f));
3081553Srgrimes
30954375Sjoe	maxuid = maxgid = maxmode = maxflags = 0;
3101553Srgrimes	for (; p; p = p->fts_link) {
3112860Srgrimes		if (!dflag || (dflag && S_ISDIR(p->fts_statp->st_mode))) {
3122860Srgrimes			smode = p->fts_statp->st_mode & MBITS;
3132860Srgrimes			if (smode < MAXMODE && ++m[smode] > maxmode) {
3142860Srgrimes				savemode = smode;
3152860Srgrimes				maxmode = m[smode];
3162860Srgrimes			}
3172860Srgrimes			sgid = p->fts_statp->st_gid;
3182860Srgrimes			if (sgid < MAXGID && ++g[sgid] > maxgid) {
3192860Srgrimes				savegid = sgid;
3202860Srgrimes				maxgid = g[sgid];
3212860Srgrimes			}
3222860Srgrimes			suid = p->fts_statp->st_uid;
3232860Srgrimes			if (suid < MAXUID && ++u[suid] > maxuid) {
3242860Srgrimes				saveuid = suid;
3252860Srgrimes				maxuid = u[suid];
3262860Srgrimes			}
32754375Sjoe
32854375Sjoe			/*
32954375Sjoe			 * XXX
33054375Sjoe			 * note that the below will break when file flags
33154375Sjoe			 * are extended beyond the first 4 bytes of each
33254375Sjoe			 * half word of the flags
33354375Sjoe			 */
33454375Sjoe#define FLAGS2IDX(f) ((f & 0xf) | ((f >> 12) & 0xf0))
33554375Sjoe			sflags = p->fts_statp->st_flags;
33654375Sjoe			if (FLAGS2IDX(sflags) < MAXFLAGS &&
33754375Sjoe			    ++f[FLAGS2IDX(sflags)] > maxflags) {
33854375Sjoe				saveflags = sflags;
33966584Sphk				maxflags = f[FLAGS2IDX(sflags)];
34054375Sjoe			}
3411553Srgrimes		}
3421553Srgrimes	}
3432860Srgrimes	/*
3442860Srgrimes	 * If the /set record is the same as the last one we do not need to output
3452877Srgrimes	 * a new one.  So first we check to see if anything changed.  Note that we
3462877Srgrimes	 * always output a /set record for the first directory.
3472860Srgrimes	 */
3482860Srgrimes	if ((((keys & F_UNAME) | (keys & F_UID)) && (*puid != saveuid)) ||
3492860Srgrimes	    (((keys & F_GNAME) | (keys & F_GID)) && (*pgid != savegid)) ||
35066584Sphk	    ((keys & F_MODE) && (*pmode != savemode)) ||
35166584Sphk	    ((keys & F_FLAGS) && (*pflags != saveflags)) ||
35266584Sphk	    (first)) {
3532877Srgrimes		first = 0;
3542860Srgrimes		if (dflag)
3552860Srgrimes			(void)printf("/set type=dir");
3561553Srgrimes		else
3572860Srgrimes			(void)printf("/set type=file");
35851705Sbillf		if (keys & F_UNAME) {
3592860Srgrimes			if ((pw = getpwuid(saveuid)) != NULL)
3602860Srgrimes				(void)printf(" uname=%s", pw->pw_name);
3612860Srgrimes			else
36230027Scharnier				errx(1,
36330027Scharnier				"line %d: could not get uname for uid=%u",
36430027Scharnier				lineno, saveuid);
36551705Sbillf		}
3662860Srgrimes		if (keys & F_UID)
36738020Sbde			(void)printf(" uid=%lu", (u_long)saveuid);
36851705Sbillf		if (keys & F_GNAME) {
3692860Srgrimes			if ((gr = getgrgid(savegid)) != NULL)
3702860Srgrimes				(void)printf(" gname=%s", gr->gr_name);
3712860Srgrimes			else
37230027Scharnier				errx(1,
37330027Scharnier				"line %d: could not get gname for gid=%u",
37430027Scharnier				lineno, savegid);
37551705Sbillf		}
3762860Srgrimes		if (keys & F_GID)
37738020Sbde			(void)printf(" gid=%lu", (u_long)savegid);
3782860Srgrimes		if (keys & F_MODE)
3792860Srgrimes			(void)printf(" mode=%#o", savemode);
3802860Srgrimes		if (keys & F_NLINK)
3812860Srgrimes			(void)printf(" nlink=1");
38266584Sphk		if (keys & F_FLAGS) {
38361749Sjoe			fflags = flags_to_string(saveflags);
38461749Sjoe			(void)printf(" flags=%s", fflags);
38561749Sjoe			free(fflags);
38661749Sjoe		}
3872860Srgrimes		(void)printf("\n");
3882860Srgrimes		*puid = saveuid;
3892860Srgrimes		*pgid = savegid;
3902860Srgrimes		*pmode = savemode;
39154375Sjoe		*pflags = saveflags;
3922860Srgrimes	}
3931553Srgrimes	return (0);
3941553Srgrimes}
3951553Srgrimes
3961553Srgrimesstatic int
3971553Srgrimesdsort(a, b)
3981553Srgrimes	const FTSENT **a, **b;
3991553Srgrimes{
4001553Srgrimes	if (S_ISDIR((*a)->fts_statp->st_mode)) {
4011553Srgrimes		if (!S_ISDIR((*b)->fts_statp->st_mode))
4021553Srgrimes			return (1);
4031553Srgrimes	} else if (S_ISDIR((*b)->fts_statp->st_mode))
4041553Srgrimes		return (-1);
4051553Srgrimes	return (strcmp((*a)->fts_name, (*b)->fts_name));
4061553Srgrimes}
4071553Srgrimes
4081553Srgrimes#include <stdarg.h>
4091553Srgrimes
4101553Srgrimesvoid
4112860Srgrimesoutput(int indent, int *offset, const char *fmt, ...)
4121553Srgrimes{
4131553Srgrimes	va_list ap;
4141553Srgrimes	char buf[1024];
4151553Srgrimes	va_start(ap, fmt);
4161553Srgrimes	(void)vsnprintf(buf, sizeof(buf), fmt, ap);
4171553Srgrimes	va_end(ap);
4181553Srgrimes
4191553Srgrimes	if (*offset + strlen(buf) > MAXLINELEN - 3) {
4202860Srgrimes		(void)printf(" \\\n%*s", INDENTNAMELEN + indent, "");
4212860Srgrimes		*offset = INDENTNAMELEN + indent;
4221553Srgrimes	}
4231553Srgrimes	*offset += printf(" %s", buf) + 1;
4241553Srgrimes}
425