Commit | Line | Data |
---|---|---|
a396975a | 1 | static char *sccsid = "@(#)ar11.c 4.3 (Berkeley) %G%"; |
c2ef410e BJ |
2 | /* ar11 - archiver for PDP-11 formatted archives */ |
3 | ||
4 | #include <signal.h> | |
5 | #include <stdio.h> | |
6 | #include <sys/types.h> | |
7 | #include <sys/stat.h> | |
a396975a | 8 | #define ARMAG ((short)0177545) |
c2ef410e | 9 | struct ar_hdr { |
a396975a TL |
10 | char ar_name[14]; |
11 | short ar_sdate[2]; | |
12 | char ar_uid; | |
13 | char ar_gid; | |
14 | short ar_mode; | |
15 | short ar_ssize[2]; | |
c2ef410e | 16 | }; |
a396975a TL |
17 | long ar_date; |
18 | long ar_size; | |
19 | ||
20 | #ifdef vax | |
21 | #define fixshort(s) (s) | |
22 | #define mklong(sp) (((sp)[0] << 16) + (sp)[1]) | |
23 | #define unmklong(sp,l) { sp[0] = l >> 16; sp[1] = l & 0177777; } | |
24 | #define fixhdr(hdr) (hdr) | |
25 | #endif | |
26 | #ifdef mc68000 | |
27 | #define fixshort(s) ((short)(((s>>8)&0377)+((s&0377)<<8))) | |
28 | #define mklong(sp) (((sp)[0] << 16) + (sp)[1]) | |
29 | #define unmklong(sp,l) { sp[0] = l >> 16; sp[1] = l & 0177777; } | |
30 | #define fixhdr(hdr) swaphdr(hdr) | |
31 | struct ar_hdr swaphdr(); | |
32 | #endif | |
33 | ||
c2ef410e BJ |
34 | struct stat stbuf; |
35 | struct ar_hdr arbuf; | |
c2ef410e BJ |
36 | |
37 | #define SKIP 1 | |
38 | #define IODD 2 | |
39 | #define OODD 4 | |
40 | #define HEAD 8 | |
41 | ||
42 | char *man = { "mrxtdp" }; | |
43 | char *opt = { "uvnbai" }; | |
44 | ||
45 | int signum[] = {SIGHUP, SIGINT, SIGQUIT, 0}; | |
46 | int sigdone(); | |
47 | int rcmd(); | |
48 | int dcmd(); | |
49 | int xcmd(); | |
50 | int tcmd(); | |
51 | int pcmd(); | |
52 | int mcmd(); | |
53 | int (*comfun)(); | |
54 | char flg[26]; | |
55 | char **namv; | |
56 | int namc; | |
57 | char *arnam; | |
58 | char *ponam; | |
59 | char *tfnam; | |
60 | char *tf1nam; | |
61 | char *tf2nam; | |
62 | char *file; | |
63 | char name[16]; | |
64 | int af; | |
65 | int tf; | |
66 | int tf1; | |
67 | int tf2; | |
68 | int bastate; | |
69 | char buf[512]; | |
70 | ||
71 | char *trim(); | |
72 | char *mktemp(); | |
73 | char *ctime(); | |
74 | ||
75 | main(argc, argv) | |
76 | char *argv[]; | |
77 | { | |
78 | register i; | |
79 | register char *cp; | |
80 | ||
81 | for(i=0; signum[i]; i++) | |
82 | if(signal(signum[i], SIG_IGN) != SIG_IGN) | |
83 | signal(signum[i], sigdone); | |
84 | if(argc < 3) | |
85 | usage(); | |
86 | cp = argv[1]; | |
87 | for(cp = argv[1]; *cp; cp++) | |
88 | switch(*cp) { | |
89 | case 'c': | |
90 | case 'v': | |
91 | case 'u': | |
92 | case 'n': | |
93 | case 'a': | |
94 | case 'b': | |
95 | case 'i': | |
96 | flg[*cp - 'a']++; | |
97 | continue; | |
98 | ||
99 | case 'r': | |
100 | setcom(rcmd); | |
101 | continue; | |
102 | ||
103 | case 'd': | |
104 | setcom(dcmd); | |
105 | continue; | |
106 | ||
107 | case 'x': | |
108 | setcom(xcmd); | |
109 | continue; | |
110 | ||
111 | case 't': | |
112 | setcom(tcmd); | |
113 | continue; | |
114 | ||
115 | case 'p': | |
116 | setcom(pcmd); | |
117 | continue; | |
118 | ||
119 | case 'm': | |
120 | setcom(mcmd); | |
121 | continue; | |
122 | ||
123 | default: | |
124 | fprintf(stderr, "ar11: bad option `%c'\n", *cp); | |
125 | done(1); | |
126 | } | |
127 | if(flg['i'-'a']) | |
128 | flg['b'-'a']++; | |
129 | if(flg['a'-'a'] || flg['b'-'a']) { | |
130 | bastate = 1; | |
131 | ponam = trim(argv[2]); | |
132 | argv++; | |
133 | argc--; | |
134 | if(argc < 3) | |
135 | usage(); | |
136 | } | |
137 | arnam = argv[2]; | |
138 | namv = argv+3; | |
139 | namc = argc-3; | |
140 | if(comfun == 0) { | |
141 | if(flg['u'-'a'] == 0) { | |
142 | fprintf(stderr, "ar11: one of [%s] must be specified\n", man); | |
143 | done(1); | |
144 | } | |
145 | setcom(rcmd); | |
146 | } | |
147 | (*comfun)(); | |
148 | done(notfound()); | |
149 | } | |
150 | ||
151 | setcom(fun) | |
152 | int (*fun)(); | |
153 | { | |
154 | ||
155 | if(comfun != 0) { | |
156 | fprintf(stderr, "ar11: only one of [%s] allowed\n", man); | |
157 | done(1); | |
158 | } | |
159 | comfun = fun; | |
160 | } | |
161 | ||
162 | rcmd() | |
163 | { | |
164 | register f; | |
165 | ||
166 | init(); | |
167 | if(getaf() && flg['c'-'a']==0) { | |
168 | fprintf(stderr, "ar11: %s does not exist\n", arnam); | |
169 | done(1); | |
170 | } | |
171 | while(!getdir()) { | |
172 | bamatch(); | |
173 | if(namc == 0 || match()) { | |
174 | f = stats(); | |
175 | if(f < 0) { | |
176 | if(namc) | |
177 | fprintf(stderr, "ar11: cannot open %s\n", file); | |
178 | goto cp; | |
179 | } | |
180 | if(flg['u'-'a']) | |
181 | if(stbuf.st_mtime <= ar_date) { | |
182 | close(f); | |
183 | goto cp; | |
184 | } | |
185 | mesg('r'); | |
186 | copyfil(af, -1, IODD+SKIP); | |
187 | movefil(f); | |
188 | continue; | |
189 | } | |
190 | cp: | |
191 | mesg('c'); | |
192 | copyfil(af, tf, IODD+OODD+HEAD); | |
193 | } | |
194 | cleanup(); | |
195 | } | |
196 | ||
197 | dcmd() | |
198 | { | |
199 | ||
200 | init(); | |
201 | if(getaf()) | |
202 | noar(); | |
203 | while(!getdir()) { | |
204 | if(match()) { | |
205 | mesg('d'); | |
206 | copyfil(af, -1, IODD+SKIP); | |
207 | continue; | |
208 | } | |
209 | mesg('c'); | |
210 | copyfil(af, tf, IODD+OODD+HEAD); | |
211 | } | |
212 | install(); | |
213 | } | |
214 | ||
215 | xcmd() | |
216 | { | |
217 | register f; | |
218 | ||
219 | if(getaf()) | |
220 | noar(); | |
221 | while(!getdir()) { | |
222 | if(namc == 0 || match()) { | |
223 | f = creat(file, arbuf.ar_mode & 0777); | |
224 | if(f < 0) { | |
225 | fprintf(stderr, "ar11: %s cannot create\n", file); | |
226 | goto sk; | |
227 | } | |
228 | mesg('x'); | |
229 | copyfil(af, f, IODD); | |
230 | close(f); | |
231 | continue; | |
232 | } | |
233 | sk: | |
234 | mesg('c'); | |
235 | copyfil(af, -1, IODD+SKIP); | |
236 | } | |
237 | } | |
238 | ||
239 | pcmd() | |
240 | { | |
241 | ||
242 | if(getaf()) | |
243 | noar(); | |
244 | while(!getdir()) { | |
245 | if(namc == 0 || match()) { | |
246 | if(flg['v'-'a']) { | |
247 | printf("\n<%s>\n\n", file); | |
248 | fflush(stdout); | |
249 | } | |
250 | copyfil(af, 1, IODD); | |
251 | continue; | |
252 | } | |
253 | copyfil(af, -1, IODD+SKIP); | |
254 | } | |
255 | } | |
256 | ||
257 | mcmd() | |
258 | { | |
259 | ||
260 | init(); | |
261 | if(getaf()) | |
262 | noar(); | |
263 | tf2nam = mktemp("/tmp/v2XXXXX"); | |
264 | close(creat(tf2nam, 0600)); | |
265 | tf2 = open(tf2nam, 2); | |
266 | if(tf2 < 0) { | |
267 | fprintf(stderr, "ar11: cannot create third temp\n"); | |
268 | done(1); | |
269 | } | |
270 | while(!getdir()) { | |
271 | bamatch(); | |
272 | if(match()) { | |
273 | mesg('m'); | |
274 | copyfil(af, tf2, IODD+OODD+HEAD); | |
275 | continue; | |
276 | } | |
277 | mesg('c'); | |
278 | copyfil(af, tf, IODD+OODD+HEAD); | |
279 | } | |
280 | install(); | |
281 | } | |
282 | ||
283 | tcmd() | |
284 | { | |
285 | ||
286 | if(getaf()) | |
287 | noar(); | |
288 | while(!getdir()) { | |
289 | if(namc == 0 || match()) { | |
290 | if(flg['v'-'a']) | |
291 | longt(); | |
292 | printf("%s\n", trim(file)); | |
293 | } | |
294 | copyfil(af, -1, IODD+SKIP); | |
295 | } | |
296 | } | |
297 | ||
298 | init() | |
299 | { | |
a396975a | 300 | static short mbuf = fixshort(ARMAG); |
c2ef410e BJ |
301 | |
302 | tfnam = mktemp("/tmp/vXXXXX"); | |
303 | close(creat(tfnam, 0600)); | |
304 | tf = open(tfnam, 2); | |
305 | if(tf < 0) { | |
306 | fprintf(stderr, "ar11: cannot create temp file\n"); | |
307 | done(1); | |
308 | } | |
309 | if (write(tf, (char *)&mbuf, sizeof(short)) != sizeof(short)) | |
310 | wrerr(); | |
311 | } | |
312 | ||
313 | getaf() | |
314 | { | |
315 | short mbuf; | |
316 | ||
317 | af = open(arnam, 0); | |
318 | if(af < 0) | |
319 | return(1); | |
a396975a TL |
320 | if (read(af, (char *)&mbuf, sizeof(short)) != sizeof(short) || |
321 | mbuf != fixshort(ARMAG)) { | |
c2ef410e BJ |
322 | fprintf(stderr, "ar11: %s not in PDP-11 archive format\n", arnam); |
323 | done(1); | |
324 | } | |
325 | return(0); | |
326 | } | |
327 | ||
328 | usage() | |
329 | { | |
330 | printf("usage: ar11 [%s][%s] archive files ...\n", opt, man); | |
331 | done(1); | |
332 | } | |
333 | ||
334 | noar() | |
335 | { | |
336 | ||
337 | fprintf(stderr, "ar11: %s does not exist\n", arnam); | |
338 | done(1); | |
339 | } | |
340 | ||
341 | sigdone() | |
342 | { | |
343 | done(100); | |
344 | } | |
345 | ||
346 | done(c) | |
347 | { | |
348 | ||
349 | if(tfnam) | |
350 | unlink(tfnam); | |
351 | if(tf1nam) | |
352 | unlink(tf1nam); | |
353 | if(tf2nam) | |
354 | unlink(tf2nam); | |
355 | exit(c); | |
356 | } | |
357 | ||
358 | notfound() | |
359 | { | |
360 | register i, n; | |
361 | ||
362 | n = 0; | |
363 | for(i=0; i<namc; i++) | |
364 | if(namv[i]) { | |
365 | fprintf(stderr, "ar11: %s not found\n", namv[i]); | |
366 | n++; | |
367 | } | |
368 | return(n); | |
369 | } | |
370 | ||
371 | cleanup() | |
372 | { | |
373 | register i, f; | |
374 | ||
375 | for(i=0; i<namc; i++) { | |
376 | file = namv[i]; | |
377 | if(file == 0) | |
378 | continue; | |
379 | namv[i] = 0; | |
380 | mesg('a'); | |
381 | f = stats(); | |
382 | if(f < 0) { | |
383 | fprintf(stderr, "ar11: %s cannot open\n", file); | |
384 | continue; | |
385 | } | |
386 | movefil(f); | |
387 | } | |
388 | install(); | |
389 | } | |
390 | ||
391 | install() | |
392 | { | |
393 | register i; | |
394 | ||
395 | for(i=0; signum[i]; i++) | |
396 | signal(signum[i], (int (*)())1); | |
397 | close(af); | |
398 | af = creat(arnam, 0666); | |
399 | if(af < 0) { | |
400 | fprintf(stderr, "ar11: cannot create %s\n", arnam); | |
401 | done(1); | |
402 | } | |
403 | lseek(tf, 0l, 0); | |
404 | while((i = read(tf, buf, 512)) > 0) | |
405 | if (write(af, buf, i) != i) | |
406 | wrerr(); | |
407 | if(tf2nam) { | |
408 | lseek(tf2, 0l, 0); | |
409 | while((i = read(tf2, buf, 512)) > 0) | |
410 | if (write(af, buf, i) != i) | |
411 | wrerr(); | |
412 | } | |
413 | if(tf1nam) { | |
414 | lseek(tf1, 0l, 0); | |
415 | while((i = read(tf1, buf, 512)) > 0) | |
416 | if (write(af, buf, i) != i) | |
417 | wrerr(); | |
418 | } | |
419 | } | |
420 | ||
421 | /* | |
422 | * insert the file 'file' | |
423 | * into the temporary file | |
424 | */ | |
425 | movefil(f) | |
426 | { | |
427 | register char *cp; | |
428 | register i; | |
429 | ||
430 | cp = trim(file); | |
431 | for(i=0; i<14; i++) | |
432 | if(arbuf.ar_name[i] = *cp) | |
433 | cp++; | |
a396975a TL |
434 | ar_size = stbuf.st_size; |
435 | ar_date = stbuf.st_mtime; | |
436 | unmklong(arbuf.ar_ssize, ar_size); | |
437 | unmklong(arbuf.ar_sdate, ar_date); | |
c2ef410e BJ |
438 | arbuf.ar_uid = stbuf.st_uid; |
439 | arbuf.ar_gid = stbuf.st_gid; | |
440 | arbuf.ar_mode = stbuf.st_mode; | |
441 | copyfil(f, tf, OODD+HEAD); | |
442 | close(f); | |
443 | } | |
444 | ||
445 | stats() | |
446 | { | |
447 | register f; | |
448 | ||
449 | f = open(file, 0); | |
450 | if(f < 0) | |
451 | return(f); | |
452 | if(fstat(f, &stbuf) < 0) { | |
453 | close(f); | |
454 | return(-1); | |
455 | } | |
456 | return(f); | |
457 | } | |
458 | ||
459 | /* | |
460 | * copy next file | |
461 | * size given in arbuf | |
462 | */ | |
463 | copyfil(fi, fo, flag) | |
464 | { | |
465 | register i, o; | |
466 | int pe; | |
467 | ||
a396975a TL |
468 | if(flag & HEAD) { |
469 | struct ar_hdr tmpbuf; | |
470 | ||
471 | tmpbuf = fixhdr(arbuf); | |
472 | if (write(fo, (char *)&tmpbuf, sizeof arbuf) != sizeof arbuf) | |
c2ef410e | 473 | wrerr(); |
a396975a | 474 | } |
c2ef410e BJ |
475 | pe = 0; |
476 | while(ar_size > 0) { | |
477 | i = o = 512; | |
478 | if(ar_size < i) { | |
479 | i = o = ar_size; | |
480 | if(i&1) { | |
481 | if(flag & IODD) | |
482 | i++; | |
483 | if(flag & OODD) | |
484 | o++; | |
485 | } | |
486 | } | |
487 | if(read(fi, buf, i) != i) | |
488 | pe++; | |
489 | if((flag & SKIP) == 0) | |
490 | if (write(fo, buf, o) != o) | |
491 | wrerr(); | |
492 | ar_size -= 512; | |
493 | } | |
494 | if(pe) | |
495 | phserr(); | |
496 | } | |
497 | ||
498 | getdir() | |
499 | { | |
500 | register i; | |
501 | ||
502 | i = read(af, (char *)&arbuf, sizeof arbuf); | |
503 | if(i != sizeof arbuf) { | |
504 | if(tf1nam) { | |
505 | i = tf; | |
506 | tf = tf1; | |
507 | tf1 = i; | |
508 | } | |
509 | return(1); | |
510 | } | |
a396975a | 511 | arbuf = fixhdr(arbuf); |
c2ef410e | 512 | for(i=0; i<14; i++) |
c2ef410e | 513 | name[i] = arbuf.ar_name[i]; |
c2ef410e | 514 | file = name; |
a396975a TL |
515 | ar_date = mklong(arbuf.ar_sdate); |
516 | ar_size = mklong(arbuf.ar_ssize); | |
c2ef410e BJ |
517 | return(0); |
518 | } | |
519 | ||
520 | match() | |
521 | { | |
522 | register i; | |
523 | ||
524 | for(i=0; i<namc; i++) { | |
525 | if(namv[i] == 0) | |
526 | continue; | |
527 | if(strcmp(trim(namv[i]), file) == 0) { | |
528 | file = namv[i]; | |
529 | namv[i] = 0; | |
530 | return(1); | |
531 | } | |
532 | } | |
533 | return(0); | |
534 | } | |
535 | ||
536 | bamatch() | |
537 | { | |
538 | register f; | |
539 | ||
540 | switch(bastate) { | |
541 | ||
542 | case 1: | |
543 | if(strcmp(file, ponam) != 0) | |
544 | return; | |
545 | bastate = 2; | |
546 | if(flg['a'-'a']) | |
547 | return; | |
548 | ||
549 | case 2: | |
550 | bastate = 0; | |
551 | tf1nam = mktemp("/tmp/v1XXXXX"); | |
552 | close(creat(tf1nam, 0600)); | |
553 | f = open(tf1nam, 2); | |
554 | if(f < 0) { | |
555 | fprintf(stderr, "ar11: cannot create second temp\n"); | |
556 | return; | |
557 | } | |
558 | tf1 = tf; | |
559 | tf = f; | |
560 | } | |
561 | } | |
562 | ||
563 | phserr() | |
564 | { | |
565 | ||
566 | fprintf(stderr, "ar11: phase error on %s\n", file); | |
567 | } | |
568 | ||
569 | mesg(c) | |
570 | { | |
571 | ||
572 | if(flg['v'-'a']) | |
573 | if(c != 'c' || flg['v'-'a'] > 1) | |
574 | printf("%c - %s\n", c, file); | |
575 | } | |
576 | ||
577 | char * | |
578 | trim(s) | |
579 | char *s; | |
580 | { | |
581 | register char *p1, *p2; | |
582 | ||
583 | for(p1 = s; *p1; p1++) | |
584 | ; | |
585 | while(p1 > s) { | |
586 | if(*--p1 != '/') | |
587 | break; | |
588 | *p1 = 0; | |
589 | } | |
590 | p2 = s; | |
591 | for(p1 = s; *p1; p1++) | |
592 | if(*p1 == '/') | |
593 | p2 = p1+1; | |
594 | return(p2); | |
595 | } | |
596 | ||
597 | #define IFMT 060000 | |
598 | #define ISARG 01000 | |
599 | #define LARGE 010000 | |
600 | #define SUID 04000 | |
601 | #define SGID 02000 | |
602 | #define ROWN 0400 | |
603 | #define WOWN 0200 | |
604 | #define XOWN 0100 | |
605 | #define RGRP 040 | |
606 | #define WGRP 020 | |
607 | #define XGRP 010 | |
608 | #define ROTH 04 | |
609 | #define WOTH 02 | |
610 | #define XOTH 01 | |
611 | #define STXT 01000 | |
612 | ||
613 | longt() | |
614 | { | |
615 | register char *cp; | |
616 | ||
617 | pmode(); | |
618 | printf("%3d/%1d", arbuf.ar_uid, arbuf.ar_gid); | |
619 | printf("%7D", ar_size); | |
620 | cp = ctime(&ar_date); | |
621 | printf(" %-12.12s %-4.4s ", cp+4, cp+20); | |
622 | } | |
623 | ||
624 | int m1[] = { 1, ROWN, 'r', '-' }; | |
625 | int m2[] = { 1, WOWN, 'w', '-' }; | |
626 | int m3[] = { 2, SUID, 's', XOWN, 'x', '-' }; | |
627 | int m4[] = { 1, RGRP, 'r', '-' }; | |
628 | int m5[] = { 1, WGRP, 'w', '-' }; | |
629 | int m6[] = { 2, SGID, 's', XGRP, 'x', '-' }; | |
630 | int m7[] = { 1, ROTH, 'r', '-' }; | |
631 | int m8[] = { 1, WOTH, 'w', '-' }; | |
632 | int m9[] = { 2, STXT, 't', XOTH, 'x', '-' }; | |
633 | ||
634 | int *m[] = { m1, m2, m3, m4, m5, m6, m7, m8, m9}; | |
635 | ||
636 | pmode() | |
637 | { | |
638 | register int **mp; | |
639 | ||
640 | for (mp = &m[0]; mp < &m[9];) | |
641 | select(*mp++); | |
642 | } | |
643 | ||
644 | select(pairp) | |
645 | int *pairp; | |
646 | { | |
647 | register int n, *ap; | |
648 | ||
649 | ap = pairp; | |
650 | n = *ap++; | |
651 | while (--n>=0 && (arbuf.ar_mode&*ap++)==0) | |
652 | ap++; | |
653 | putchar(*ap); | |
654 | } | |
655 | ||
656 | wrerr() | |
657 | { | |
658 | perror("ar write error"); | |
659 | done(1); | |
660 | } | |
661 | ||
a396975a TL |
662 | #ifdef mc68000 |
663 | struct ar_hdr | |
664 | swaphdr(hdr) | |
665 | struct ar_hdr hdr; | |
c2ef410e | 666 | { |
a396975a TL |
667 | hdr.ar_sdate[0] = fixshort(hdr.ar_sdate[0]); |
668 | hdr.ar_sdate[1] = fixshort(hdr.ar_sdate[1]); | |
669 | hdr.ar_ssize[0] = fixshort(hdr.ar_ssize[0]); | |
670 | hdr.ar_ssize[1] = fixshort(hdr.ar_ssize[1]); | |
671 | hdr.ar_mode = fixshort(hdr.ar_mode); | |
672 | return (hdr); | |
c2ef410e | 673 | } |
a396975a | 674 | #endif |