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1/* $NetBSD: create.c,v 1.16 1998/08/30 03:20:09 nathanw Exp $ */
2
3/*-
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#include <sys/cdefs.h>
37#ifndef lint
38#if 0
39static char sccsid[] = "@(#)create.c 8.1 (Berkeley) 6/6/93";
40#else
41__RCSID("$NetBSD: create.c,v 1.16 1998/08/30 03:20:09 nathanw Exp $");
42#endif
43#endif /* not lint */
44
45#include <sys/param.h>
46#include <sys/stat.h>
47#include <dirent.h>
48#include <errno.h>
49#include <fcntl.h>
50#include <fts.h>
51#include <grp.h>
52#include <pwd.h>
53#include <stdio.h>
54#include <string.h>
55#include <time.h>
56#include <unistd.h>
57#include "mtree.h"
58#include "extern.h"
59
60#define INDENTNAMELEN 15
61#define MAXLINELEN 80
62
63extern int crc_total, ftsoptions;
64extern int dflag, sflag;
65extern u_short keys;
66extern char fullpath[MAXPATHLEN];
67
68static gid_t gid;
69static uid_t uid;
70static mode_t mode;
71
72static int dsort __P((const FTSENT **, const FTSENT **));
73static void output __P((int *, const char *, ...));
74static int statd __P((FTS *, FTSENT *, uid_t *, gid_t *, mode_t *));
75static void statf __P((FTSENT *));
76
77void
78cwalk()
79{
80 FTS *t;
81 FTSENT *p;
82 time_t clock;
83 char *argv[2], host[MAXHOSTNAMELEN + 1];
84
85 (void)time(&clock);
86 (void)gethostname(host, sizeof(host));
87 host[sizeof(host) - 1] = '\0';
88 (void)printf(
89 "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s",
90 getlogin(), host, fullpath, ctime(&clock));
91
92 argv[0] = ".";
93 argv[1] = NULL;
94 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL)
95 mtree_err("fts_open: %s", strerror(errno));
96 while ((p = fts_read(t)) != NULL)
97 switch(p->fts_info) {
98 case FTS_D:
99 (void)printf("\n# %s\n", p->fts_path);
100 statd(t, p, &uid, &gid, &mode);
101 statf(p);
102 break;
103 case FTS_DP:
104 if (p->fts_level > 0)
105 (void)printf("# %s\n..\n\n", p->fts_path);
106 break;
107 case FTS_DNR:
108 case FTS_ERR:
109 case FTS_NS:
110 (void)fprintf(stderr,
111 "mtree: %s: %s\n", p->fts_path, strerror(errno));
112 break;
113 default:
114 if (!dflag)
115 statf(p);
116 break;
117
118 }
119 (void)fts_close(t);
120 if (sflag && keys & F_CKSUM)
121 (void)fprintf(stderr,
122 "mtree: %s checksum: %u\n", fullpath, crc_total);
123}
124
125static void
126statf(p)
127 FTSENT *p;
128{
129 struct group *gr;
130 struct passwd *pw;
131 u_int32_t len, val;
132 int fd, indent;
133
134 if (S_ISDIR(p->fts_statp->st_mode))
135 indent = printf("%s", p->fts_name);
136 else
137 indent = printf(" %s", p->fts_name);
138
139 if (indent > INDENTNAMELEN)
140 indent = MAXLINELEN;
141 else
142 indent += printf("%*s", INDENTNAMELEN - indent, "");
143
144 if (!S_ISREG(p->fts_statp->st_mode))
145 output(&indent, "type=%s", inotype(p->fts_statp->st_mode));
146 if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid) {
147 if (keys & F_UNAME && (pw = getpwuid(p->fts_statp->st_uid)))
148 output(&indent, "uname=%s", pw->pw_name);
149 else /* if (keys & F_UID) */
150 output(&indent, "uid=%u", p->fts_statp->st_uid);
151 }
152 if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid) {
153 if (keys & F_GNAME && (gr = getgrgid(p->fts_statp->st_gid)))
154 output(&indent, "gname=%s", gr->gr_name);
155 else /* if (keys & F_GID) */
156 output(&indent, "gid=%u", p->fts_statp->st_gid);
157 }
158 if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode)
159 output(&indent, "mode=%#o", p->fts_statp->st_mode & MBITS);
160 if (keys & F_NLINK && p->fts_statp->st_nlink != 1)
161 output(&indent, "nlink=%u", p->fts_statp->st_nlink);
162 if (keys & F_SIZE && S_ISREG(p->fts_statp->st_mode))
163 output(&indent, "size=%qd", p->fts_statp->st_size);
164 if (keys & F_TIME)
165 output(&indent, "time=%ld.%ld",
166 p->fts_statp->st_mtimespec.tv_sec,
167 p->fts_statp->st_mtimespec.tv_nsec);
168 if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) {
169 if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 ||
170 crc(fd, &val, &len))
171 mtree_err("%s: %s", p->fts_accpath, strerror(errno));
172 (void)close(fd);
173 output(&indent, "cksum=%lu", val);
174 }
175 if (keys & F_SLINK &&
176 (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE))
177 output(&indent, "link=%s", rlink(p->fts_accpath));
178 (void)putchar('\n');
179}
180
181#define MAXGID 5000
182#define MAXUID 5000
183#define MAXMODE MBITS + 1
184
185static int
186statd(t, parent, puid, pgid, pmode)
187 FTS *t;
188 FTSENT *parent;
189 uid_t *puid;
190 gid_t *pgid;
191 mode_t *pmode;
192{
193 FTSENT *p;
194 gid_t sgid;
195 uid_t suid;
196 mode_t smode;
197 struct group *gr;
198 struct passwd *pw;
199 gid_t savegid;
200 uid_t saveuid;
201 mode_t savemode;
202 u_short maxgid, maxuid, maxmode, g[MAXGID], u[MAXUID], m[MAXMODE];
203
204 savegid = 0;
205 saveuid = 0;
206 savemode = 0;
207 if ((p = fts_children(t, 0)) == NULL) {
208 if (errno)
209 mtree_err("%s: %s", RP(parent), strerror(errno));
210 return (1);
211 }
212
213 memset(g, 0, sizeof(g));
214 memset(u, 0, sizeof(u));
215 memset(m, 0, sizeof(m));
216
217 maxuid = maxgid = maxmode = 0;
218 for (; p; p = p->fts_link) {
219 smode = p->fts_statp->st_mode & MBITS;
220 if (smode < MAXMODE && ++m[smode] > maxmode) {
221 savemode = smode;
222 maxmode = m[smode];
223 }
224 sgid = p->fts_statp->st_gid;
225 if (sgid < MAXGID && ++g[sgid] > maxgid) {
226 savegid = sgid;
227 maxgid = g[sgid];
228 }
229 suid = p->fts_statp->st_uid;
230 if (suid < MAXUID && ++u[suid] > maxuid) {
231 saveuid = suid;
232 maxuid = u[suid];
233 }
234 }
235 (void)printf("/set type=file");
236 if (keys & F_GID)
237 (void)printf(" gid=%u", savegid);
238 if (keys & F_GNAME) {
239 if ((gr = getgrgid(savegid)) != NULL)
240 (void)printf(" gname=%s", gr->gr_name);
241 else
242 (void)printf(" gid=%u", savegid);
243 }
244 if (keys & F_UNAME) {
245 if ((pw = getpwuid(saveuid)) != NULL)
246 (void)printf(" uname=%s", pw->pw_name);
247 else
248 (void)printf(" uid=%u", saveuid);
249 }
250 if (keys & F_UID)
251 (void)printf(" uid=%u", saveuid);
252 if (keys & F_MODE)
253 (void)printf(" mode=%#o", savemode);
254 if (keys & F_NLINK)
255 (void)printf(" nlink=1");
256 (void)printf("\n");
257 *puid = saveuid;
258 *pgid = savegid;
259 *pmode = savemode;
260 return (0);
261}
262
263static int
264dsort(a, b)
265 const FTSENT **a, **b;
266{
267 if (S_ISDIR((*a)->fts_statp->st_mode)) {
268 if (!S_ISDIR((*b)->fts_statp->st_mode))
269 return (1);
270 } else if (S_ISDIR((*b)->fts_statp->st_mode))
271 return (-1);
272 return (strcmp((*a)->fts_name, (*b)->fts_name));
273}
274
275#if __STDC__
276#include <stdarg.h>
277#else
278#include <varargs.h>
279#endif
280
281void
282#if __STDC__
283output(int *offset, const char *fmt, ...)
284#else
285output(offset, fmt, va_alist)
286 int *offset;
287 char *fmt;
288 va_dcl
289#endif
290{
291 va_list ap;
292 char buf[1024];
293#if __STDC__
294 va_start(ap, fmt);
295#else
296 va_start(ap);
297#endif
298 (void)vsnprintf(buf, sizeof(buf), fmt, ap);
299 va_end(ap);
300
301 if (*offset + strlen(buf) > MAXLINELEN - 3) {
302 (void)printf(" \\\n%*s", INDENTNAMELEN, "");
303 *offset = INDENTNAMELEN;
304 }
305 *offset += printf(" %s", buf) + 1;
306}