1 /*
2 * Copyright (c) 1983 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
35 char copyright[] =
36 "@(#) Copyright (c) 1983 The Regents of the University of California.\n\
37 All rights reserved.\n";
38 #endif /* not lint */
39
40 #ifndef lint
41 static char sccsid[] = "@(#)main.c 5.8 (Berkeley) 6/1/90";
42 #endif /* not lint */
43
44 /*
45 * Modified to recursively extract all files within a subtree
46 * (supressed by the h option) and recreate the heirarchical
47 * structure of that subtree and move extracted files to their
48 * proper homes (supressed by the m option).
49 * Includes the s (skip files) option for use with multiple
50 * dumps on a single tape.
51 * 8/29/80 by Mike Litzkow
52 *
53 * Modified to work on the new file system and to recover from
54 * tape read errors.
55 * 1/19/82 by Kirk McKusick
56 *
57 * Full incremental restore running entirely in user code and
58 * interactive tape browser.
59 * 1/19/83 by Kirk McKusick
60 */
61
62 #include "restore.h"
63 #include <protocols/dumprestore.h>
64 #include <sys/signal.h>
65 #include "pathnames.h"
66
67 int bflag = 0, cvtflag = 0, dflag = 0, vflag = 0, yflag = 0;
68 int hflag = 1, mflag = 1, Nflag = 0;
69 char command = '\0';
70 long dumpnum = 1;
71 long volno = 0;
72 long ntrec;
73 char *dumpmap;
74 char *clrimap;
75 ino_t maxino;
76 time_t dumptime;
77 time_t dumpdate;
78 FILE *terminal;
79
main(argc,argv)80 main(argc, argv)
81 int argc;
82 char *argv[];
83 {
84 register char *cp;
85 ino_t ino;
86 char *inputdev = _PATH_DEFTAPE;
87 char *symtbl = "./restoresymtable";
88 char name[MAXPATHLEN];
89 void onintr();
90
91 if (signal(SIGINT, onintr) == SIG_IGN)
92 (void) signal(SIGINT, SIG_IGN);
93 if (signal(SIGTERM, onintr) == SIG_IGN)
94 (void) signal(SIGTERM, SIG_IGN);
95 setlinebuf(stderr);
96 if (argc < 2) {
97 usage:
98 fprintf(stderr, "Usage:\n%s%s%s%s%s",
99 "\trestore tfhsvy [file file ...]\n",
100 "\trestore xfhmsvy [file file ...]\n",
101 "\trestore ifhmsvy\n",
102 "\trestore rfsvy\n",
103 "\trestore Rfsvy\n");
104 done(1);
105 }
106 argv++;
107 argc -= 2;
108 command = '\0';
109 for (cp = *argv++; *cp; cp++) {
110 switch (*cp) {
111 case '-':
112 break;
113 case 'c':
114 cvtflag++;
115 break;
116 case 'd':
117 dflag++;
118 break;
119 case 'h':
120 hflag = 0;
121 break;
122 case 'm':
123 mflag = 0;
124 break;
125 case 'N':
126 Nflag++;
127 break;
128 case 'v':
129 vflag++;
130 break;
131 case 'y':
132 yflag++;
133 break;
134 case 'f':
135 if (argc < 1) {
136 fprintf(stderr, "missing device specifier\n");
137 done(1);
138 }
139 inputdev = *argv++;
140 argc--;
141 break;
142 case 'b':
143 /*
144 * change default tape blocksize
145 */
146 bflag++;
147 if (argc < 1) {
148 fprintf(stderr, "missing block size\n");
149 done(1);
150 }
151 ntrec = atoi(*argv++);
152 if (ntrec <= 0) {
153 fprintf(stderr, "Block size must be a positive integer\n");
154 done(1);
155 }
156 argc--;
157 break;
158 case 's':
159 /*
160 * dumpnum (skip to) for multifile dump tapes
161 */
162 if (argc < 1) {
163 fprintf(stderr, "missing dump number\n");
164 done(1);
165 }
166 dumpnum = atoi(*argv++);
167 if (dumpnum <= 0) {
168 fprintf(stderr, "Dump number must be a positive integer\n");
169 done(1);
170 }
171 argc--;
172 break;
173 case 't':
174 case 'R':
175 case 'r':
176 case 'x':
177 case 'i':
178 if (command != '\0') {
179 fprintf(stderr,
180 "%c and %c are mutually exclusive\n",
181 *cp, command);
182 goto usage;
183 }
184 command = *cp;
185 break;
186 default:
187 fprintf(stderr, "Bad key character %c\n", *cp);
188 goto usage;
189 }
190 }
191 if (command == '\0') {
192 fprintf(stderr, "must specify i, t, r, R, or x\n");
193 goto usage;
194 }
195 setinput(inputdev);
196 if (argc == 0) {
197 argc = 1;
198 *--argv = ".";
199 }
200 switch (command) {
201 /*
202 * Interactive mode.
203 */
204 case 'i':
205 setup();
206 extractdirs(1);
207 initsymtable((char *)0);
208 runcmdshell();
209 done(0);
210 /*
211 * Incremental restoration of a file system.
212 */
213 case 'r':
214 setup();
215 if (dumptime > 0) {
216 /*
217 * This is an incremental dump tape.
218 */
219 vprintf(stdout, "Begin incremental restore\n");
220 initsymtable(symtbl);
221 extractdirs(1);
222 removeoldleaves();
223 vprintf(stdout, "Calculate node updates.\n");
224 treescan(".", ROOTINO, nodeupdates);
225 findunreflinks();
226 removeoldnodes();
227 } else {
228 /*
229 * This is a level zero dump tape.
230 */
231 vprintf(stdout, "Begin level 0 restore\n");
232 initsymtable((char *)0);
233 extractdirs(1);
234 vprintf(stdout, "Calculate extraction list.\n");
235 treescan(".", ROOTINO, nodeupdates);
236 }
237 createleaves(symtbl);
238 createlinks();
239 setdirmodes();
240 checkrestore();
241 if (dflag) {
242 vprintf(stdout, "Verify the directory structure\n");
243 treescan(".", ROOTINO, verifyfile);
244 }
245 dumpsymtable(symtbl, (long)1);
246 done(0);
247 /*
248 * Resume an incremental file system restoration.
249 */
250 case 'R':
251 initsymtable(symtbl);
252 skipmaps();
253 skipdirs();
254 createleaves(symtbl);
255 createlinks();
256 setdirmodes();
257 checkrestore();
258 dumpsymtable(symtbl, (long)1);
259 done(0);
260 /*
261 * List contents of tape.
262 */
263 case 't':
264 setup();
265 extractdirs(0);
266 initsymtable((char *)0);
267 while (argc--) {
268 canon(*argv++, name);
269 ino = dirlookup(name);
270 if (ino == 0)
271 continue;
272 treescan(name, ino, listfile);
273 }
274 done(0);
275 /*
276 * Batch extraction of tape contents.
277 */
278 case 'x':
279 setup();
280 extractdirs(1);
281 initsymtable((char *)0);
282 while (argc--) {
283 canon(*argv++, name);
284 ino = dirlookup(name);
285 if (ino == 0)
286 continue;
287 if (mflag)
288 pathcheck(name);
289 treescan(name, ino, addfile);
290 }
291 createfiles();
292 createlinks();
293 setdirmodes();
294 if (dflag)
295 checkrestore();
296 done(0);
297 }
298 }
299