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fix leftover bug in usage message (s/-server/-database)
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f852c398 1/* $Header$
2 *
3 * This generates the files necessary to load an nfs server.
4 *
5 * (c) Copyright 1988, 1990 by the Massachusetts Institute of Technology.
6 * For copying and distribution information, please see the file
7 * <mit-copyright.h>.
8 */
9
10#include <mit-copyright.h>
11#include <stdio.h>
12#include <moira.h>
13#include <moira_site.h>
14#include <sys/types.h>
15#include <sys/stat.h>
16#include <sys/time.h>
17EXEC SQL INCLUDE sqlca;
18
19
20#define min(x,y) ((x) < (y) ? (x) : (y))
21
22char *whoami = "nfs.gen";
23char *malloc(), *strsave();
24char nfs_dir[64];
22bc6c27 25struct hash *users, *groups;
26
f852c398 27
28main(argc, argv)
29int argc;
30char **argv;
31{
32 char cmd[64];
33 struct stat sb;
34 int changed = 0;
35
36 if (argc > 2) {
37 fprintf(stderr, "usage: %s [outfile]\n", argv[0]);
38 exit(MR_ARGS);
39 }
40
41 initialize_sms_error_table();
42 sprintf(nfs_dir, "%s/nfs", DCM_DIR);
43
44#ifsql INGRES
22bc6c27 45 EXEC SQL CONNECT moira;
46 EXEC SQL SET LOCKMODE SESSION WHERE LEVEL=TABLE, READLOCK=SHARED;
f852c398 47#endsql
48#ifsql INFORMIX
22bc6c27 49 EXEC SQL DATABASE moira;
f852c398 50#endsql
51
52 changed = do_nfs();
53
54#ifsql INGRES
55 EXEC SQL DISCONNECT;
56#endsql
57#ifsql INFORMIX
58 EXEC SQL CLOSE DATABASE;
59#endsql
60
61 if (!changed) {
62 fprintf(stderr, "No files updated.\n");
63 if (argc == 2 && stat(argv[1], &sb) == 0)
64 exit(MR_NO_CHANGE);
65 }
66
67 if (argc == 2) {
68 sprintf(cmd, "cd %s; cp %s/nfs/* .; tar cf %s .",
69 nfs_dir, SMS_DIR, argv[1]);
70 if (system(cmd))
71 exit(MR_TAR_FAIL);
72 }
73
74 exit(MR_SUCCESS);
75}
76
77
78/* Generate the files. Returns zero if nothing changed, non-zero otherwise. */
79
80int do_nfs()
81{
82 EXEC SQL BEGIN DECLARE SECTION;
c1d0f286 83 char machname[41], listname[33];
f852c398 84 EXEC SQL END DECLARE SECTION;
85 struct save_queue *machs, *lists;
86 int changed;
87
88 machs = sq_create();
89 lists = sq_create();
90
22bc6c27 91 /* The following is declarative, not executed,
92 * and so is dependent on where it is in the file,
93 * not in the order of execution of statements.
94 */
f852c398 95 EXEC SQL WHENEVER SQLERROR GOTO sqlerr;
96 EXEC SQL DECLARE s_cursor CURSOR FOR
97 SELECT m.name, s.value3
98 FROM machine m, serverhosts s
22bc6c27 99 WHERE m.mach_id = s.mach_id AND s.service = 'NFS' AND s.enable != 0;
f852c398 100 EXEC SQL OPEN s_cursor;
101 while (1) {
102 EXEC SQL FETCH s_cursor INTO :machname, :listname;
103 if (sqlca.sqlcode != 0) break;
104 sq_save_unique_string(machs, strsave(strtrim(machname)));
105 sq_save_unique_string(lists, strsave(strtrim(listname)));
106 }
107 EXEC SQL CLOSE s_cursor;
108
109 changed = do_lists(lists);
22bc6c27 110 EXEC SQL COMMIT;
f852c398 111 changed += do_machs(machs);
112 return(changed);
113 sqlerr:
114 com_err(whoami, MR_INGRES_ERR, " code %d\n", sqlca.sqlcode);
115 critical_alert("DCM", "NFS build encountered DATABASE ERROR %d",
116 sqlca.sqlcode);
117 exit(MR_INGRES_ERR);
118}
119
120
121/* Make all of the credentials lists that will be needed. Returns 0 if
122 * no files were actually changed */
123
124int do_lists(lists)
125struct save_queue *lists;
126{
127 char file[64], *u;
f852c398 128 struct stat sb;
129 FILE *fd;
130 EXEC SQL BEGIN DECLARE SECTION;
131 char *listname, *lsname, lname[33], uname[9];
132 int uid, id, flag1, flag2, flag3, flag4;
133 EXEC SQL END DECLARE SECTION;
134
135 sprintf(file, "%s/list-", nfs_dir);
22bc6c27 136 /*
f852c398 137 if (stat(file, &sb) == 0) {
138 if ((ModDiff (&flag1, "users", sb.st_mtime)) ||
139 (ModDiff (&flag2, "list", sb.st_mtime)) ||
140 (ModDiff (&flag3, "imembers", sb.st_mtime)) ||
141 (ModDiff (&flag4, "serverhosts", sb.st_mtime))) exit (MR_DATE);
142 if (flag1 < 0 && flag2 < 0 && flag3 < 0 && flag4 < 0) {
143 fprintf(stderr, "The lists do not need to be rebuilt.\n");
144 return(0);
145 }
146 }
22bc6c27 147 */
f852c398 148
149 /* get locks */
150 EXEC SQL SELECT modtime INTO :lname FROM list WHERE list_id = 0;
151 EXEC SQL SELECT modtime INTO :lname FROM users WHERE users_id = 0;
152
153 /* build the list of everyone, and store it in a file whose name
154 * corresponds to the empty list.
155 */
22bc6c27 156 do_everyone();
f852c398 157
158 fprintf(stderr, "Building specific lists\n");
159 /* now do each of the lists used by an NFS server */
160
161 while (sq_get_data(lists, &listname)) {
162 if (strlen(listname) == 0)
163 continue;
164 sprintf(file, "%s/list-%s", nfs_dir, listname);
165 fd = fopen(file, "w");
166 if (!fd) {
167 fprintf(stderr, "cannot open %s for output\n", file);
168 exit(MR_OCONFIG);
169 }
170
171 EXEC SQL DECLARE m_cursor CURSOR FOR
172 SELECT m.member_id
173 FROM imembers m, list l
174 WHERE m.list_id=l.list_id AND l.name = :listname AND
22bc6c27 175 m.member_type='USER'
176 ORDER BY member_id;
f852c398 177 EXEC SQL OPEN m_cursor;
178 while (1) {
179 EXEC SQL FETCH m_cursor INTO :id;
180 if (sqlca.sqlcode != 0) break;
181 if (u = hash_lookup(users, id))
182 fprintf(fd, "%s\n", u);
183 }
184 EXEC SQL CLOSE m_cursor;
2ab080f0 185 if (fclose(fd) == EOF) {
f852c398 186 fprintf(stderr, "error closing %s\n", file);
187 exit(MR_CCONFIG);
188 }
189 }
190/* don't free here either
191 sq_destroy(lists);
192 */
193 return(1);
194 sqlerr:
195 com_err(whoami, MR_INGRES_ERR, " code %d\n", sqlca.sqlcode);
196 critical_alert("DCM", "NFS build encountered DATABASE ERROR %d",
197 sqlca.sqlcode);
198 exit(MR_INGRES_ERR);
199}
200
201
202/* Build the list of everybody. */
203struct grp {
204 struct grp *next;
205 char *lid;
206};
207struct user {
208 char name[9];
209 int uid;
210 struct grp *lists;
211};
212
213
22bc6c27 214do_everyone()
f852c398 215{
216 char buf[BUFSIZ], *l;
f852c398 217 struct user *u;
218 struct grp *g;
219 struct bucket *b, **p;
220 EXEC SQL BEGIN DECLARE SECTION;
221 char name[33];
222 int gid, id, lid, maxid, uid;
223 EXEC SQL END DECLARE SECTION;
224 FILE *fd;
225 int i;
226 struct save_queue *sq;
227
228 fprintf(stderr, "Building the list of everybody\n");
229 sprintf(buf, "%s/list-", nfs_dir);
230 fd = fopen(buf, "w");
231 if (!fd) {
232 fprintf(stderr, "cannot open %s for output\n", buf);
233 exit(MR_OCONFIG);
234 }
235
236 /* make space for group list */
237 groups = create_hash(15000);
238
239 /* retrieve simple groups */
240 EXEC SQL DECLARE l_cursor CURSOR FOR
241 SELECT gid, list_id
242 FROM list
22bc6c27 243 WHERE grouplist != 0 AND active != 0
244 ORDER BY list_id;
f852c398 245 EXEC SQL OPEN l_cursor;
246 while (1) {
247 EXEC SQL FETCH l_cursor INTO :gid, :lid;
248 if (sqlca.sqlcode != 0) break;
249 sprintf(buf, ":%d", gid);
250 hash_store(groups, lid, strsave(buf));
251 }
252 EXEC SQL CLOSE l_cursor;
253
254 /* now do grplists */
255 users = create_hash(10000);
256 EXEC SQL DECLARE u_cursor CURSOR FOR
257 SELECT users_id, login, uid
258 FROM users
22bc6c27 259 WHERE status = 1
260 ORDER BY users_id;
f852c398 261 EXEC SQL OPEN u_cursor;
262 while (1) {
263 EXEC SQL FETCH u_cursor INTO :id, :name, :uid;
264 if (sqlca.sqlcode != 0) break;
265 u = (struct user *) malloc(sizeof(struct user));
266 strcpy(u->name, strtrim(name));
267 u->uid = uid;
268 u->lists = NULL;
269 hash_store(users, id, u);
270 }
271 EXEC SQL CLOSE u_cursor;
272
273 EXEC SQL DECLARE m_cursor2 CURSOR FOR
274 SELECT list_id, member_id
275 FROM imembers
22bc6c27 276 WHERE member_type = 'USER'
277 ORDER BY list_id;
f852c398 278 EXEC SQL OPEN m_cursor2;
279 while (1) {
280 EXEC SQL FETCH m_cursor2 INTO :lid, :id;
281 if (sqlca.sqlcode != 0) break;
282 if ((u = (struct user *) hash_lookup(users, id)) &&
283 ((l = hash_lookup(groups, lid)) != NULL)) {
284 g = (struct grp *) malloc(sizeof(struct grp));
285 g->next = u->lists;
286 u->lists = g;
287 g->lid = l;
288 }
289 }
290 EXEC SQL CLOSE m_cursor2;
291
292 for (p = &(users->data[users->size - 1]); p >= users->data; p--) {
293 for (b = *p; b; b = b->next) {
294 u = (struct user *)b->data;
295 sprintf(buf, "%s:%d", u->name, u->uid);
296 for (g = u->lists; g; g = g->next)
297 strcat(buf, g->lid);
298 b->data = strsave(buf);
299 fprintf(fd, "%s\n", buf);
300 }
301 }
302
303 fclose(fd);
304 free(groups);
22bc6c27 305 return(1);
f852c398 306 sqlerr:
307 com_err(whoami, MR_INGRES_ERR, " code %d\n", sqlca.sqlcode);
308 critical_alert("DCM", "NFS build encountered DATABASE ERROR %d",
309 sqlca.sqlcode);
310 exit(MR_INGRES_ERR);
311}
312
313
314/* Now do each of the servers, linking the credentials list file and
315 * compiling the quota and dirs files.
316 */
317
318int do_machs(machs)
319struct save_queue *machs;
320{
321 EXEC SQL BEGIN DECLARE SECTION;
322 char *machname, listname[33], dev[33], dir[81], fstype[9];
323 int uid, quota, id, gid, flag1, flag2, flag3, flag4;
324 EXEC SQL END DECLARE SECTION;
325 char file[64], f1[64], f2[64], *cp, *index();
326 int prevuid, quotasum, olddev, oldmach;
327 FILE *fd;
328 struct hash *machines;
329
330 fprintf(stderr, "Building machine files\n");
331
332 /* acquire locks on machines & filesystems */
333 EXEC SQL SELECT modtime INTO :listname FROM users WHERE users_id = 0;
22bc6c27 334 EXEC SQL SELECT modtime INTO :listname FROM machine WHERE mach_id = 0;
f852c398 335 EXEC SQL SELECT modtime INTO :listname FROM filesys WHERE filsys_id = 0;
336
337 machines = create_hash(100);
338 while (sq_get_data(machs, &machname)) {
339 EXEC SQL SELECT s.value3, m.mach_id
340 INTO :listname, :id
341 FROM serverhosts s, machine m
22bc6c27 342 WHERE s.mach_id = m.mach_id AND m.name = :machname AND
343 s.service = 'NFS';
f852c398 344 strtrim(machname);
345 sprintf(f1, "%s/list-%s", nfs_dir, strtrim(listname));
346 sprintf(f2, "%s/%s.cred", nfs_dir, machname);
347 unlink(f2); /* ignore errors on this unlink */
348 if (link(f1, f2)) {
349 fprintf(stderr, "Cannot link %s to %s\n", f1, f2);
350 exit(MR_OCONFIG);
351 }
352 hash_store(machines, id, machname);
353 }
354
355
356 olddev = oldmach = -1;
357 fd = stdin;
358
359 EXEC SQL DECLARE q_cursor CURSOR FOR
22bc6c27 360 SELECT DISTINCT q.quota, q.entity_id, q.phys_id, n.device, n.mach_id
361 FROM quota q, nfsphys n
362 WHERE n.nfsphys_id = q.phys_id AND q.phys_id != 0 AND
363 n.status < 16 AND q.type = 'USER'
364 ORDER BY n.mach_id, q.phys_id, q.entity_id;
f852c398 365 EXEC SQL OPEN q_cursor;
366 while (1) {
367 EXEC SQL FETCH q_cursor INTO :quota, :uid, :flag1, :dev, :flag2;
368 if (sqlca.sqlcode != 0) break;
369 if (flag1 != olddev || flag2 != oldmach) {
22bc6c27 370 if (quotasum)
371 fprintf(fd, "%d %d\n", prevuid, quotasum);
372 if (flag2 == 0 || !hash_lookup(machines, flag2))
373 continue;
374 if (fd != stdin)
375 fclose(fd);
f852c398 376 olddev = flag1;
377 oldmach = flag2;
378 while (cp = index(dev, '/')) *cp = '@';
379 sprintf(file, "%s/%s.%s.quotas", nfs_dir,
380 hash_lookup(machines, flag2), strtrim(dev));
381 fd = fopen(file, "w");
382 if (!fd) {
383 fprintf(stderr, "cannot open %s for output\n", file);
384 exit(MR_OCONFIG);
385 }
386 prevuid = -1;
387 quotasum = 0;
388 }
389 if (uid != prevuid) {
22bc6c27 390 if ((cp = hash_lookup(users, prevuid)) &&
391 (cp = index(cp, ':')))
392 prevuid = atoi(cp+1);
f852c398 393 if (quotasum)
394 fprintf(fd, "%d %d\n", prevuid, quotasum);
395 prevuid = uid;
396 quotasum = quota;
397 } else {
398 quotasum += quota;
399 }
400 }
401 EXEC SQL CLOSE q_cursor;
22bc6c27 402 if ((cp = hash_lookup(users, prevuid)) &&
403 (cp = index(cp, ':')))
404 prevuid = atoi(cp+1);
f852c398 405 if (quotasum)
406 fprintf(fd, "%d %d\n", prevuid, quotasum);
2ab080f0 407 if (fd != stdin && fclose(fd) == EOF) {
f852c398 408 fprintf(stderr, "error closing %s", file);
409 exit(MR_CCONFIG);
410 }
411
412 olddev = oldmach = -1;
413 fd = stdin;
414 EXEC SQL DECLARE q_cursor2 CURSOR FOR
22bc6c27 415 SELECT DISTINCT q.quota, q.entity_id, q.phys_id, n.device, n.mach_id,
416 n.status
417 FROM quota q, nfsphys n
418 WHERE n.nfsphys_id = q.phys_id AND q.phys_id != 0 AND
419 n.status > 15 AND q.type = 'GROUP'
420 ORDER BY mach_id, phys_id, entity_id;
f852c398 421 EXEC SQL OPEN q_cursor2;
422 while (1) {
423 EXEC SQL FETCH q_cursor2 INTO :quota, :gid, :flag1, :dev,
424 :flag2, :flag3;
425 if (sqlca.sqlcode != 0) break;
426 if (flag1 != olddev || flag2 != oldmach) {
22bc6c27 427 if (quotasum)
428 fprintf(fd, "%d %d\n", prevuid, quotasum);
429 if (flag2 == 0 || !hash_lookup(machines, flag2))
430 continue;
431 if (fd != stdin)
432 fclose(fd);
f852c398 433 olddev = flag1;
434 oldmach = flag2;
435 while (cp = index(dev, '/')) *cp = '@';
436 sprintf(file, "%s/%s.%s.quotas", nfs_dir,
437 hash_lookup(machines, flag2), strtrim(dev));
438 fd = fopen(file, "w");
439 if (!fd) {
440 fprintf(stderr, "cannot open %s for output\n", file);
441 exit(MR_OCONFIG);
442 }
443 prevuid = -1;
444 quotasum = 0;
445 }
446 if (gid != prevuid) {
22bc6c27 447 if (cp = hash_lookup(groups, prevuid))
448 prevuid = atoi(cp + 1);
f852c398 449 if (quotasum)
450 fprintf(fd, "%d %d\n", prevuid, quotasum);
451 prevuid = gid;
452 quotasum = quota;
453 } else {
454 quotasum += quota;
455 }
456 }
457 EXEC SQL CLOSE q_cursor2;
22bc6c27 458 if (cp = hash_lookup(groups, prevuid))
459 prevuid = atoi(cp + 1);
f852c398 460 if (quotasum)
461 fprintf(fd, "%d %d\n", prevuid, quotasum);
2ab080f0 462 if (fd != stdin && fclose(fd) == EOF) {
f852c398 463 fprintf(stderr, "error closing %s", file);
464 exit(MR_CCONFIG);
465 }
466
467 olddev = oldmach = -1;
22bc6c27 468 fd = stdin;
f852c398 469
470 EXEC SQL DECLARE q_cursor3 CURSOR FOR
471 SELECT DISTINCT f.name, f.lockertype, u.uid, l.gid, f.phys_id,
472 f.mach_id, n.device
473 FROM users u, list l, nfsphys n, filesys f
474 WHERE u.users_id = f.owner AND
475 l.list_id = f.owners AND
476 f.createflg != 0 AND f.phys_id != 0 AND
22bc6c27 477 f.type = 'NFS' AND
f852c398 478 f.phys_id = n.nfsphys_id
479 ORDER BY mach_id, phys_id;
480 EXEC SQL OPEN q_cursor3;
481 while (1) {
482 EXEC SQL FETCH q_cursor3 INTO :dir, :fstype, :uid, :gid, :flag1,
483 :flag2, :dev;
484 if (sqlca.sqlcode != 0) break;
485 if (flag1 != olddev || flag2 != oldmach) {
22bc6c27 486 if (fd != stdin)
487 fclose(fd);
f852c398 488 olddev = flag1;
489 oldmach = flag2;
490 while (cp = index(dev, '/')) *cp = '@';
491 sprintf(file, "%s/%s.%s.dirs", nfs_dir,
492 hash_lookup(machines, flag2), strtrim(dev));
493 fd = fopen(file, "w");
494 if (!fd) {
495 fprintf(stderr, "cannot open %s for output\n", file);
496 exit(MR_OCONFIG);
497 }
498 }
499 fprintf(fd, "%s %d %d %s\n", strtrim(dir), uid, gid, strtrim(fstype));
500 }
501 EXEC SQL CLOSE q_cursor3;
2ab080f0 502 if (fclose(fd) == EOF) {
f852c398 503 fprintf(stderr, "error closing %s", file);
504 exit(MR_CCONFIG);
505 }
506 return(1);
507 sqlerr:
508 com_err(whoami, MR_INGRES_ERR, " code %d\n", sqlca.sqlcode);
509 critical_alert("DCM", "NFS build encountered DATABASE ERROR %d",
510 sqlca.sqlcode);
511 exit(MR_INGRES_ERR);
512}
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