[unix-history] / usr.sbin / mtree / create.c

/*-
 * Copyright (c) 1989 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * 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.
 */

#ifndef lint
static char sccsid[] = "@(#)create.c	5.19 (Berkeley) 3/2/92";
#endif /* not lint */

#include <sys/param.h>
#include <sys/stat.h>
#include <time.h>
#include <fcntl.h>
#include <fts.h>
#include <dirent.h>
#include <grp.h>
#include <pwd.h>
#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include "mtree.h"
#include "extern.h"

#define	INDENTNAMELEN	15
#define	MAXLINELEN	80

extern int crc_total, ftsoptions;
extern int dflag, sflag;
extern u_short keys;
extern char fullpath[MAXPATHLEN];

static gid_t gid;
static uid_t uid;
static mode_t mode;

static int	dsort __P((const FTSENT **, const FTSENT **));
static void	output __P((int *, const char *, ...));
static int	statd __P((FTS *, FTSENT *, uid_t *, gid_t *, mode_t *));
static void	statf __P((FTSENT *));

void
cwalk()
{
	register FTS *t;
	register FTSENT *p;
	time_t clock;
	char *argv[2], host[MAXHOSTNAMELEN];

	(void)time(&clock);
	(void)gethostname(host, sizeof(host));
	(void)printf(
	    "#\t   user: %s\n#\tmachine: %s\n#\t   tree: %s\n#\t   date: %s",
	    getlogin(), host, fullpath, ctime(&clock));

	argv[0] = ".";
	argv[1] = NULL;
	if ((t = fts_open(argv, ftsoptions, dsort)) == NULL)
		err("fts_open: %s", strerror(errno));
	while (p = fts_read(t))
		switch(p->fts_info) {
		case FTS_D:
			(void)printf("\n# %s\n", p->fts_path);
			statd(t, p, &uid, &gid, &mode);
			statf(p);
			break;
		case FTS_DP:
			if (p->fts_level > 0)
				(void)printf("# %s\n..\n\n", p->fts_path);
			break;
		case FTS_DNR:
		case FTS_ERR:
		case FTS_NS:
			(void)fprintf(stderr,
			    "mtree: %s: %s\n", p->fts_path, strerror(errno));
			break;
		default:
			if (!dflag)
				statf(p);
			break;
			
		}
	(void)fts_close(t);
	if (sflag && keys & F_CKSUM)
		(void)fprintf(stderr,
		    "mtree: %s checksum: %lu\n", fullpath, crc_total);
}

static void
statf(p)
	FTSENT *p;
{
	struct group *gr;
	struct passwd *pw;
	u_long len, val;
	int fd, indent;

	if (S_ISDIR(p->fts_statp->st_mode))
		indent = printf("%s", p->fts_name); 
	else
		indent = printf("    %s", p->fts_name);

	if (indent > INDENTNAMELEN)
		indent = MAXLINELEN;
	else
		indent += printf("%*s", INDENTNAMELEN - indent, "");

	if (!S_ISREG(p->fts_statp->st_mode))
		output(&indent, "type=%s", inotype(p->fts_statp->st_mode));
	if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid)
		if (keys & F_UNAME && (pw = getpwuid(p->fts_statp->st_uid)))
			output(&indent, "uname=%s", pw->pw_name);
		else /* if (keys & F_UID) */
			output(&indent, "uid=%u", p->fts_statp->st_uid);
	if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid)
		if (keys & F_GNAME && (gr = getgrgid(p->fts_statp->st_gid)))
			output(&indent, "gid=%s", gr->gr_name);
		else /* if (keys & F_GID) */
			output(&indent, "gid=%u", p->fts_statp->st_gid);
	if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode)
		output(&indent, "mode=%#o", p->fts_statp->st_mode & MBITS);
	if (keys & F_NLINK && p->fts_statp->st_nlink != 1)
		output(&indent, "nlink=%u", p->fts_statp->st_nlink);
	if (keys & F_SIZE)
		output(&indent, "size=%ld", p->fts_statp->st_size);
	if (keys & F_TIME)
		output(&indent, "time=%ld", p->fts_statp->st_mtime);
	if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) {
		if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 ||
		    crc(fd, &val, &len))
			err("%s: %s", p->fts_accpath, strerror(errno));
		(void)close(fd);
		output(&indent, "cksum=%lu", val);
	}
	if (keys & F_SLINK &&
	    (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE))
		output(&indent, "link=%s", rlink(p->fts_accpath));
	(void)putchar('\n');
}

#define	MAXGID	5000
#define	MAXUID	5000
#define	MAXMODE	MBITS + 1

static int
statd(t, parent, puid, pgid, pmode)
	FTS *t;
	FTSENT *parent;
	uid_t *puid;
	gid_t *pgid;
	mode_t *pmode;
{
	register FTSENT *p;
	register gid_t sgid;
	register uid_t suid;
	register mode_t smode;
	struct group *gr;
	struct passwd *pw;
	gid_t savegid;
	uid_t saveuid;
	mode_t savemode;
	u_short maxgid, maxuid, maxmode, g[MAXGID], u[MAXUID], m[MAXMODE];

	if ((p = fts_children(t, 0)) == NULL) {
		if (errno)
			err("%s: %s", RP(parent), strerror(errno));
		return (1);
	}

	bzero(g, sizeof(g));
	bzero(u, sizeof(u));
	bzero(m, sizeof(m));

	maxuid = maxgid = maxmode = 0;
	for (; p; p = p->fts_link) {
		smode = p->fts_statp->st_mode & MBITS;
		if (smode < MAXMODE && ++m[smode] > maxmode) {
			savemode = smode;
			maxmode = m[smode];
		}
		sgid = p->fts_statp->st_gid;
		if (sgid < MAXGID && ++g[sgid] > maxgid) {
			savegid = sgid;
			maxgid = g[sgid];
		}
		suid = p->fts_statp->st_uid;
		if (suid < MAXUID && ++u[suid] > maxuid) {
			saveuid = suid;
			maxuid = u[suid];
		}
	}
	(void)printf("/set type=file");
	if (keys & F_GID)
		(void)printf(" gid=%u", savegid);
	if (keys & F_GNAME)
		if ((gr = getgrgid(savegid)) != NULL)
			(void)printf(" gname=%s", gr->gr_name);
		else
			(void)printf(" gid=%u", savegid);
	if (keys & F_UNAME)
		if ((pw = getpwuid(saveuid)) != NULL)
			(void)printf(" uname=%s", pw->pw_name);
		else
			(void)printf(" uid=%u", saveuid);
	if (keys & F_UID)
		(void)printf(" uid=%u", saveuid);
	if (keys & F_MODE)
		(void)printf(" mode=%#o", savemode);
	if (keys & F_NLINK)
		(void)printf(" nlink=1");
	(void)printf("\n");
	*puid = saveuid;
	*pgid = savegid;
	*pmode = savemode;
	return (0);
}

static int
dsort(a, b)
	const FTSENT **a, **b;
{
	if (S_ISDIR((*a)->fts_statp->st_mode)) {
		if (!S_ISDIR((*b)->fts_statp->st_mode))
			return (1);
	} else if (S_ISDIR((*b)->fts_statp->st_mode))
		return (-1);
	return (strcmp((*a)->fts_name, (*b)->fts_name));
}

#if __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif

void
#if __STDC__
output(int *offset, const char *fmt, ...)
#else
output(offset, fmt, va_alist)
	int *offset;
	char *fmt;
        va_dcl
#endif
{
	va_list ap;
	int len;
	char buf[1024];
#if __STDC__
	va_start(ap, fmt);
#else
	va_start(ap);
#endif
	len = vsnprintf(buf, sizeof(buf), fmt, ap);
	va_end(ap);

	if (*offset + len > MAXLINELEN - 3) {
		(void)printf(" \\\n%*s", INDENTNAMELEN, "");
		*offset = INDENTNAMELEN;
	}
	*offset += printf(" %s", buf) + 1;
}
Commit	Line	Data
15637ed4 RG	1	/*-
	2	* Copyright (c) 1989 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 3. All advertising materials mentioning features or use of this software
	14	* must display the following acknowledgement:
	15	* This product includes software developed by the University of
	16	* California, Berkeley and its contributors.
	17	* 4. Neither the name of the University nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*/
	33
	34	#ifndef lint
4e97a0eb	35	static char sccsid[] = "@(#)create.c 5.19 (Berkeley) 3/2/92";
15637ed4 RG	36	#endif /* not lint */
	37
	38	#include <sys/param.h>
	39	#include <sys/stat.h>
	40	#include <time.h>
4e97a0eb	41	#include <fcntl.h>
15637ed4 RG	42	#include <fts.h>
15637ed4 RG	43	#include <dirent.h>
4e97a0eb NW	44	#include <grp.h>
4e97a0eb NW	45	#include <pwd.h>
15637ed4	46	#include <errno.h>
4e97a0eb	47	#include <unistd.h>
15637ed4 RG	48	#include <stdio.h>
15637ed4 RG	49	#include "mtree.h"
4e97a0eb	50	#include "extern.h"
15637ed4	51
4e97a0eb NW	52	#define INDENTNAMELEN 15
4e97a0eb NW	53	#define MAXLINELEN 80
15637ed4	54
4e97a0eb NW	55	extern int crc_total, ftsoptions;
	56	extern int dflag, sflag;
	57	extern u_short keys;
	58	extern char fullpath[MAXPATHLEN];
15637ed4	59
4e97a0eb NW	60	static gid_t gid;
	61	static uid_t uid;
	62	static mode_t mode;
	63
	64	static int dsort __P((const FTSENT , const FTSENT ));
	65	static void output __P((int , const char , ...));
	66	static int statd __P((FTS , FTSENT , uid_t , gid_t , mode_t *));
	67	static void statf __P((FTSENT *));
	68
	69	void
15637ed4 RG	70	cwalk()
15637ed4 RG	71	{
15637ed4 RG	72	register FTS *t;
15637ed4 RG	73	register FTSENT *p;
15637ed4	74	time_t clock;
4e97a0eb NW	75	char *argv[2], host[MAXHOSTNAMELEN];
4e97a0eb NW	76
15637ed4	77	(void)time(&clock);
4e97a0eb NW	78	(void)gethostname(host, sizeof(host));
	79	(void)printf(
	80	"#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s",
	81	getlogin(), host, fullpath, ctime(&clock));
15637ed4 RG	82
15637ed4 RG	83	argv[0] = ".";
4e97a0eb NW	84	argv[1] = NULL;
	85	if ((t = fts_open(argv, ftsoptions, dsort)) == NULL)
	86	err("fts_open: %s", strerror(errno));
	87	while (p = fts_read(t))
15637ed4 RG	88	switch(p->fts_info) {
15637ed4 RG	89	case FTS_D:
4e97a0eb NW	90	(void)printf("\n# %s\n", p->fts_path);
	91	statd(t, p, &uid, &gid, &mode);
	92	statf(p);
15637ed4 RG	93	break;
15637ed4 RG	94	case FTS_DP:
4e97a0eb NW	95	if (p->fts_level > 0)
	96	(void)printf("# %s\n..\n\n", p->fts_path);
	97	break;
15637ed4 RG	98	case FTS_DNR:
	99	case FTS_ERR:
	100	case FTS_NS:
4e97a0eb NW	101	(void)fprintf(stderr,
	102	"mtree: %s: %s\n", p->fts_path, strerror(errno));
	103	break;
15637ed4	104	default:
4e97a0eb NW	105	if (!dflag)
	106	statf(p);
	107	break;
	108
15637ed4	109	}
4e97a0eb NW	110	(void)fts_close(t);
	111	if (sflag && keys & F_CKSUM)
	112	(void)fprintf(stderr,
	113	"mtree: %s checksum: %lu\n", fullpath, crc_total);
	114	}
15637ed4	115
4e97a0eb NW	116	static void
	117	statf(p)
	118	FTSENT *p;
	119	{
	120	struct group *gr;
	121	struct passwd *pw;
	122	u_long len, val;
	123	int fd, indent;
15637ed4	124
4e97a0eb NW	125	if (S_ISDIR(p->fts_statp->st_mode))
	126	indent = printf("%s", p->fts_name);
	127	else
	128	indent = printf(" %s", p->fts_name);
	129
	130	if (indent > INDENTNAMELEN)
	131	indent = MAXLINELEN;
	132	else
	133	indent += printf("%*s", INDENTNAMELEN - indent, "");
	134
	135	if (!S_ISREG(p->fts_statp->st_mode))
	136	output(&indent, "type=%s", inotype(p->fts_statp->st_mode));
	137	if (keys & (F_UID \| F_UNAME) && p->fts_statp->st_uid != uid)
	138	if (keys & F_UNAME && (pw = getpwuid(p->fts_statp->st_uid)))
	139	output(&indent, "uname=%s", pw->pw_name);
	140	else /* if (keys & F_UID) */
	141	output(&indent, "uid=%u", p->fts_statp->st_uid);
	142	if (keys & (F_GID \| F_GNAME) && p->fts_statp->st_gid != gid)
	143	if (keys & F_GNAME && (gr = getgrgid(p->fts_statp->st_gid)))
	144	output(&indent, "gid=%s", gr->gr_name);
	145	else /* if (keys & F_GID) */
	146	output(&indent, "gid=%u", p->fts_statp->st_gid);
	147	if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode)
	148	output(&indent, "mode=%#o", p->fts_statp->st_mode & MBITS);
	149	if (keys & F_NLINK && p->fts_statp->st_nlink != 1)
	150	output(&indent, "nlink=%u", p->fts_statp->st_nlink);
	151	if (keys & F_SIZE)
	152	output(&indent, "size=%ld", p->fts_statp->st_size);
	153	if (keys & F_TIME)
	154	output(&indent, "time=%ld", p->fts_statp->st_mtime);
	155	if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) {
	156	if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 \|\|
	157	crc(fd, &val, &len))
	158	err("%s: %s", p->fts_accpath, strerror(errno));
	159	(void)close(fd);
	160	output(&indent, "cksum=%lu", val);
15637ed4	161	}
4e97a0eb NW	162	if (keys & F_SLINK &&
	163	(p->fts_info == FTS_SL \|\| p->fts_info == FTS_SLNONE))
	164	output(&indent, "link=%s", rlink(p->fts_accpath));
	165	(void)putchar('\n');
15637ed4 RG	166	}
	167
	168	#define MAXGID 5000
	169	#define MAXUID 5000
	170	#define MAXMODE MBITS + 1
	171
4e97a0eb NW	172	static int
4e97a0eb NW	173	statd(t, parent, puid, pgid, pmode)
15637ed4 RG	174	FTS *t;
	175	FTSENT *parent;
	176	uid_t *puid;
	177	gid_t *pgid;
	178	mode_t *pmode;
15637ed4 RG	179	{
15637ed4 RG	180	register FTSENT *p;
4e97a0eb NW	181	register gid_t sgid;
	182	register uid_t suid;
	183	register mode_t smode;
	184	struct group *gr;
	185	struct passwd *pw;
15637ed4 RG	186	gid_t savegid;
	187	uid_t saveuid;
	188	mode_t savemode;
	189	u_short maxgid, maxuid, maxmode, g[MAXGID], u[MAXUID], m[MAXMODE];
	190
4e97a0eb NW	191	if ((p = fts_children(t, 0)) == NULL) {
	192	if (errno)
	193	err("%s: %s", RP(parent), strerror(errno));
	194	return (1);
15637ed4 RG	195	}
	196
	197	bzero(g, sizeof(g));
	198	bzero(u, sizeof(u));
	199	bzero(m, sizeof(m));
	200
15637ed4 RG	201	maxuid = maxgid = maxmode = 0;
15637ed4 RG	202	for (; p; p = p->fts_link) {
4e97a0eb NW	203	smode = p->fts_statp->st_mode & MBITS;
	204	if (smode < MAXMODE && ++m[smode] > maxmode) {
	205	savemode = smode;
	206	maxmode = m[smode];
15637ed4	207	}
4e97a0eb NW	208	sgid = p->fts_statp->st_gid;
	209	if (sgid < MAXGID && ++g[sgid] > maxgid) {
	210	savegid = sgid;
	211	maxgid = g[sgid];
15637ed4	212	}
4e97a0eb NW	213	suid = p->fts_statp->st_uid;
	214	if (suid < MAXUID && ++u[suid] > maxuid) {
	215	saveuid = suid;
	216	maxuid = u[suid];
15637ed4	217	}
15637ed4	218	}
4e97a0eb NW	219	(void)printf("/set type=file");
	220	if (keys & F_GID)
	221	(void)printf(" gid=%u", savegid);
	222	if (keys & F_GNAME)
	223	if ((gr = getgrgid(savegid)) != NULL)
	224	(void)printf(" gname=%s", gr->gr_name);
	225	else
	226	(void)printf(" gid=%u", savegid);
	227	if (keys & F_UNAME)
	228	if ((pw = getpwuid(saveuid)) != NULL)
	229	(void)printf(" uname=%s", pw->pw_name);
	230	else
	231	(void)printf(" uid=%u", saveuid);
	232	if (keys & F_UID)
	233	(void)printf(" uid=%u", saveuid);
	234	if (keys & F_MODE)
	235	(void)printf(" mode=%#o", savemode);
	236	if (keys & F_NLINK)
	237	(void)printf(" nlink=1");
	238	(void)printf("\n");
15637ed4 RG	239	*puid = saveuid;
	240	*pgid = savegid;
	241	*pmode = savemode;
4e97a0eb	242	return (0);
15637ed4 RG	243	}
15637ed4 RG	244
4e97a0eb NW	245	static int
	246	dsort(a, b)
	247	const FTSENT a, b;
15637ed4	248	{
4e97a0eb NW	249	if (S_ISDIR((*a)->fts_statp->st_mode)) {
	250	if (!S_ISDIR((*b)->fts_statp->st_mode))
	251	return (1);
	252	} else if (S_ISDIR((*b)->fts_statp->st_mode))
	253	return (-1);
	254	return (strcmp((a)->fts_name, (b)->fts_name));
	255	}
15637ed4	256
4e97a0eb NW	257	#if __STDC__
	258	#include <stdarg.h>
	259	#else
	260	#include <varargs.h>
	261	#endif
15637ed4	262
4e97a0eb NW	263	void
	264	#if __STDC__
	265	output(int offset, const char fmt, ...)
	266	#else
	267	output(offset, fmt, va_alist)
	268	int *offset;
	269	char *fmt;
	270	va_dcl
	271	#endif
	272	{
	273	va_list ap;
	274	int len;
	275	char buf[1024];
	276	#if __STDC__
	277	va_start(ap, fmt);
	278	#else
	279	va_start(ap);
	280	#endif
	281	len = vsnprintf(buf, sizeof(buf), fmt, ap);
	282	va_end(ap);
	283
	284	if (*offset + len > MAXLINELEN - 3) {
	285	(void)printf(" \\\n%*s", INDENTNAMELEN, "");
	286	*offset = INDENTNAMELEN;
	287	}
	288	*offset += printf(" %s", buf) + 1;
15637ed4	289	}