1 /* $OpenBSD: verify.c,v 1.21 2016/08/16 16:41:46 krw Exp $ */
2 /* $NetBSD: verify.c,v 1.10 1995/03/07 21:26:28 cgd Exp $ */
3
4 /*-
5 * Copyright (c) 1990, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 #include <sys/stat.h>
34 #include <dirent.h>
35 #include <fts.h>
36 #include <fnmatch.h>
37 #include <unistd.h>
38 #include <errno.h>
39 #include <stdio.h>
40 #include <limits.h>
41 #include "mtree.h"
42 #include "extern.h"
43
44 extern u_int32_t crc_total;
45 extern int ftsoptions;
46 extern int dflag, eflag, qflag, rflag, sflag, uflag;
47 extern char fullpath[PATH_MAX];
48
49 static NODE *root;
50 static char path[PATH_MAX];
51
52 static void miss(NODE *, char *, size_t);
53 static int vwalk(void);
54
55 int
verify(void)56 verify(void)
57 {
58 int rval;
59
60 root = spec();
61 rval = vwalk();
62 miss(root, path, sizeof(path));
63 return (rval);
64 }
65
66 static int
vwalk(void)67 vwalk(void)
68 {
69 FTS *t;
70 FTSENT *p;
71 NODE *ep, *level;
72 int specdepth, rval;
73 char *argv[2];
74
75 argv[0] = ".";
76 argv[1] = NULL;
77 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL)
78 error("fts_open: %s", strerror(errno));
79 level = root;
80 specdepth = rval = 0;
81 while ((p = fts_read(t))) {
82 switch(p->fts_info) {
83 case FTS_D:
84 break;
85 case FTS_DP:
86 if (specdepth > p->fts_level) {
87 for (level = level->parent; level->prev;
88 level = level->prev);
89 --specdepth;
90 }
91 continue;
92 case FTS_DNR:
93 case FTS_ERR:
94 case FTS_NS:
95 (void)fprintf(stderr, "mtree: %s: %s\n",
96 RP(p), strerror(p->fts_errno));
97 continue;
98 default:
99 if (dflag)
100 continue;
101 }
102
103 if (specdepth != p->fts_level)
104 goto extra;
105 for (ep = level; ep; ep = ep->next)
106 if ((ep->flags & F_MAGIC &&
107 !fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) ||
108 !strcmp(ep->name, p->fts_name)) {
109 ep->flags |= F_VISIT;
110 if ((ep->flags & F_NOCHANGE) == 0 &&
111 compare(ep->name, ep, p))
112 rval = MISMATCHEXIT;
113 if (ep->flags & F_IGN)
114 (void)fts_set(t, p, FTS_SKIP);
115 else if (ep->child && ep->type == F_DIR &&
116 p->fts_info == FTS_D) {
117 level = ep->child;
118 ++specdepth;
119 }
120 break;
121 }
122
123 if (ep)
124 continue;
125 extra:
126 if (!eflag) {
127 (void)printf("extra: %s", RP(p));
128 if (rflag) {
129 if ((S_ISDIR(p->fts_statp->st_mode)
130 ? rmdir : unlink)(p->fts_accpath)) {
131 (void)printf(", not removed: %s",
132 strerror(errno));
133 rval = ERROREXIT;
134 } else
135 (void)printf(", removed");
136 } else
137 rval = MISMATCHEXIT;
138 (void)putchar('\n');
139 }
140 (void)fts_set(t, p, FTS_SKIP);
141 }
142 (void)fts_close(t);
143 if (sflag)
144 (void)fprintf(stderr,
145 "mtree: %s checksum: %u\n", fullpath, crc_total);
146 return (rval);
147 }
148
149 static void
miss(NODE * p,char * tail,size_t len)150 miss(NODE *p, char *tail, size_t len)
151 {
152 int create;
153 char *tp;
154
155 for (; p; p = p->next) {
156 if ((p->flags & F_OPT) && !(p->flags & F_VISIT))
157 continue;
158 if (p->type != F_DIR && (dflag || p->flags & F_VISIT))
159 continue;
160 (void)strlcpy(tail, p->name, len);
161 if (!(p->flags & F_VISIT)) {
162 /* Don't print missing message if file exists as a
163 symbolic link and the -q flag is set. */
164 struct stat statbuf;
165
166 if (qflag && stat(path, &statbuf) == 0)
167 p->flags |= F_VISIT;
168 else
169 (void)printf("missing: %s", path);
170 }
171 if (p->type != F_DIR) {
172 putchar('\n');
173 continue;
174 }
175
176 create = 0;
177 if (!(p->flags & F_VISIT) && uflag) {
178 if (!(p->flags & (F_UID | F_UNAME)))
179 (void)printf(" (not created: user not specified)");
180 else if (!(p->flags & (F_GID | F_GNAME)))
181 (void)printf(" (not created: group not specified)");
182 else if (!(p->flags & F_MODE))
183 (void)printf(" (not created: mode not specified)");
184 else if (mkdir(path, S_IRWXU))
185 (void)printf(" (not created: %s)",
186 strerror(errno));
187 else {
188 create = 1;
189 (void)printf(" (created)");
190 }
191 }
192
193 if (!(p->flags & F_VISIT))
194 (void)putchar('\n');
195
196 for (tp = tail; *tp; ++tp);
197 *tp = '/';
198 miss(p->child, tp + 1, len - (tp + 1 - tail));
199 *tp = '\0';
200
201 if (!create)
202 continue;
203 if (chown(path, p->st_uid, p->st_gid)) {
204 (void)printf("%s: user/group/mode not modified: %s\n",
205 path, strerror(errno));
206 continue;
207 }
208 if (chmod(path, p->st_mode))
209 (void)printf("%s: permissions not set: %s\n",
210 path, strerror(errno));
211 }
212 }
213