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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> | |
17 | EXEC SQL INCLUDE sqlca; | |
18 | ||
19 | ||
20 | #define min(x,y) ((x) < (y) ? (x) : (y)) | |
21 | ||
22 | char *whoami = "nfs.gen"; | |
23 | char *malloc(), *strsave(); | |
24 | char nfs_dir[64]; | |
25 | ||
26 | main(argc, argv) | |
27 | int argc; | |
28 | char **argv; | |
29 | { | |
30 | char cmd[64]; | |
31 | struct stat sb; | |
32 | int changed = 0; | |
33 | ||
34 | if (argc > 2) { | |
35 | fprintf(stderr, "usage: %s [outfile]\n", argv[0]); | |
36 | exit(MR_ARGS); | |
37 | } | |
38 | ||
39 | initialize_sms_error_table(); | |
40 | sprintf(nfs_dir, "%s/nfs", DCM_DIR); | |
41 | ||
42 | #ifsql INGRES | |
9fd1c2b8 | 43 | EXEC SQL CONNECT moira; |
f852c398 | 44 | #endsql |
45 | #ifsql INFORMIX | |
9fd1c2b8 | 46 | EXEC SQL DATABASE moira; |
f852c398 | 47 | #endsql |
48 | ||
49 | changed = do_nfs(); | |
50 | ||
51 | #ifsql INGRES | |
52 | EXEC SQL DISCONNECT; | |
53 | #endsql | |
54 | #ifsql INFORMIX | |
55 | EXEC SQL CLOSE DATABASE; | |
56 | #endsql | |
57 | ||
58 | if (!changed) { | |
59 | fprintf(stderr, "No files updated.\n"); | |
60 | if (argc == 2 && stat(argv[1], &sb) == 0) | |
61 | exit(MR_NO_CHANGE); | |
62 | } | |
63 | ||
64 | if (argc == 2) { | |
65 | sprintf(cmd, "cd %s; cp %s/nfs/* .; tar cf %s .", | |
66 | nfs_dir, SMS_DIR, argv[1]); | |
67 | if (system(cmd)) | |
68 | exit(MR_TAR_FAIL); | |
69 | } | |
70 | ||
71 | exit(MR_SUCCESS); | |
72 | } | |
73 | ||
74 | ||
75 | /* Generate the files. Returns zero if nothing changed, non-zero otherwise. */ | |
76 | ||
77 | int do_nfs() | |
78 | { | |
79 | EXEC SQL BEGIN DECLARE SECTION; | |
80 | char machname[33], listname[33]; | |
81 | EXEC SQL END DECLARE SECTION; | |
82 | struct save_queue *machs, *lists; | |
83 | int changed; | |
84 | ||
85 | machs = sq_create(); | |
86 | lists = sq_create(); | |
87 | ||
9fd1c2b8 | 88 | /* The following is declarative, not executed, |
89 | * and so is dependent on where it is in the file, | |
90 | * not in the order of execution of statements. | |
91 | */ | |
f852c398 | 92 | EXEC SQL WHENEVER SQLERROR GOTO sqlerr; |
93 | EXEC SQL DECLARE s_cursor CURSOR FOR | |
94 | SELECT m.name, s.value3 | |
95 | FROM machine m, serverhosts s | |
96 | WHERE m.mach_id = s.mach_id AND s.service = "NFS" AND s.enable != 0; | |
97 | EXEC SQL OPEN s_cursor; | |
98 | while (1) { | |
99 | EXEC SQL FETCH s_cursor INTO :machname, :listname; | |
100 | if (sqlca.sqlcode != 0) break; | |
101 | sq_save_unique_string(machs, strsave(strtrim(machname))); | |
102 | sq_save_unique_string(lists, strsave(strtrim(listname))); | |
103 | } | |
104 | EXEC SQL CLOSE s_cursor; | |
105 | ||
106 | changed = do_lists(lists); | |
107 | changed += do_machs(machs); | |
108 | return(changed); | |
109 | sqlerr: | |
110 | com_err(whoami, MR_INGRES_ERR, " code %d\n", sqlca.sqlcode); | |
111 | critical_alert("DCM", "NFS build encountered DATABASE ERROR %d", | |
112 | sqlca.sqlcode); | |
113 | exit(MR_INGRES_ERR); | |
114 | } | |
115 | ||
116 | ||
117 | /* Make all of the credentials lists that will be needed. Returns 0 if | |
118 | * no files were actually changed */ | |
119 | ||
120 | int do_lists(lists) | |
121 | struct save_queue *lists; | |
122 | { | |
123 | char file[64], *u; | |
124 | struct hash *users, *do_everyone(); | |
125 | struct stat sb; | |
126 | FILE *fd; | |
127 | EXEC SQL BEGIN DECLARE SECTION; | |
128 | char *listname, *lsname, lname[33], uname[9]; | |
129 | int uid, id, flag1, flag2, flag3, flag4; | |
130 | EXEC SQL END DECLARE SECTION; | |
131 | ||
132 | sprintf(file, "%s/list-", nfs_dir); | |
133 | if (stat(file, &sb) == 0) { | |
134 | if ((ModDiff (&flag1, "users", sb.st_mtime)) || | |
135 | (ModDiff (&flag2, "list", sb.st_mtime)) || | |
136 | (ModDiff (&flag3, "imembers", sb.st_mtime)) || | |
137 | (ModDiff (&flag4, "serverhosts", sb.st_mtime))) exit (MR_DATE); | |
138 | if (flag1 < 0 && flag2 < 0 && flag3 < 0 && flag4 < 0) { | |
139 | fprintf(stderr, "The lists do not need to be rebuilt.\n"); | |
140 | return(0); | |
141 | } | |
142 | } | |
143 | ||
144 | /* get locks */ | |
145 | EXEC SQL SELECT modtime INTO :lname FROM list WHERE list_id = 0; | |
146 | EXEC SQL SELECT modtime INTO :lname FROM users WHERE users_id = 0; | |
147 | ||
148 | /* build the list of everyone, and store it in a file whose name | |
149 | * corresponds to the empty list. | |
150 | */ | |
151 | users = do_everyone(); | |
152 | ||
153 | fprintf(stderr, "Building specific lists\n"); | |
154 | /* now do each of the lists used by an NFS server */ | |
155 | ||
156 | while (sq_get_data(lists, &listname)) { | |
157 | if (strlen(listname) == 0) | |
158 | continue; | |
159 | sprintf(file, "%s/list-%s", nfs_dir, listname); | |
160 | fd = fopen(file, "w"); | |
161 | if (!fd) { | |
162 | fprintf(stderr, "cannot open %s for output\n", file); | |
163 | exit(MR_OCONFIG); | |
164 | } | |
165 | ||
166 | EXEC SQL DECLARE m_cursor CURSOR FOR | |
167 | SELECT m.member_id | |
168 | FROM imembers m, list l | |
169 | WHERE m.list_id=l.list_id AND l.name = :listname AND | |
170 | m.member_type="USER"; | |
171 | EXEC SQL OPEN m_cursor; | |
172 | while (1) { | |
173 | EXEC SQL FETCH m_cursor INTO :id; | |
174 | if (sqlca.sqlcode != 0) break; | |
175 | if (u = hash_lookup(users, id)) | |
176 | fprintf(fd, "%s\n", u); | |
177 | } | |
178 | EXEC SQL CLOSE m_cursor; | |
2ab080f0 | 179 | if (fclose(fd) == EOF) { |
f852c398 | 180 | fprintf(stderr, "error closing %s\n", file); |
181 | exit(MR_CCONFIG); | |
182 | } | |
183 | } | |
184 | /* don't free here either | |
185 | sq_destroy(lists); | |
186 | */ | |
187 | return(1); | |
188 | sqlerr: | |
189 | com_err(whoami, MR_INGRES_ERR, " code %d\n", sqlca.sqlcode); | |
190 | critical_alert("DCM", "NFS build encountered DATABASE ERROR %d", | |
191 | sqlca.sqlcode); | |
192 | exit(MR_INGRES_ERR); | |
193 | } | |
194 | ||
195 | ||
196 | /* Build the list of everybody. */ | |
197 | struct grp { | |
198 | struct grp *next; | |
199 | char *lid; | |
200 | }; | |
201 | struct user { | |
202 | char name[9]; | |
203 | int uid; | |
204 | struct grp *lists; | |
205 | }; | |
206 | ||
207 | ||
208 | struct hash *do_everyone() | |
209 | { | |
210 | char buf[BUFSIZ], *l; | |
211 | struct hash *groups, *users; | |
212 | struct user *u; | |
213 | struct grp *g; | |
214 | struct bucket *b, **p; | |
215 | EXEC SQL BEGIN DECLARE SECTION; | |
216 | char name[33]; | |
217 | int gid, id, lid, maxid, uid; | |
218 | EXEC SQL END DECLARE SECTION; | |
219 | FILE *fd; | |
220 | int i; | |
221 | struct save_queue *sq; | |
222 | ||
223 | fprintf(stderr, "Building the list of everybody\n"); | |
224 | sprintf(buf, "%s/list-", nfs_dir); | |
225 | fd = fopen(buf, "w"); | |
226 | if (!fd) { | |
227 | fprintf(stderr, "cannot open %s for output\n", buf); | |
228 | exit(MR_OCONFIG); | |
229 | } | |
230 | ||
231 | /* make space for group list */ | |
232 | groups = create_hash(15000); | |
233 | ||
234 | /* retrieve simple groups */ | |
235 | EXEC SQL DECLARE l_cursor CURSOR FOR | |
236 | SELECT gid, list_id | |
237 | FROM list | |
9fd1c2b8 | 238 | WHERE grouplist != 0 AND active != 0; |
f852c398 | 239 | EXEC SQL OPEN l_cursor; |
240 | while (1) { | |
241 | EXEC SQL FETCH l_cursor INTO :gid, :lid; | |
242 | if (sqlca.sqlcode != 0) break; | |
243 | sprintf(buf, ":%d", gid); | |
244 | hash_store(groups, lid, strsave(buf)); | |
245 | } | |
246 | EXEC SQL CLOSE l_cursor; | |
247 | ||
248 | /* now do grplists */ | |
249 | users = create_hash(10000); | |
250 | EXEC SQL DECLARE u_cursor CURSOR FOR | |
251 | SELECT users_id, login, uid | |
252 | FROM users | |
253 | WHERE status = 1; | |
254 | EXEC SQL OPEN u_cursor; | |
255 | while (1) { | |
256 | EXEC SQL FETCH u_cursor INTO :id, :name, :uid; | |
257 | if (sqlca.sqlcode != 0) break; | |
258 | u = (struct user *) malloc(sizeof(struct user)); | |
259 | strcpy(u->name, strtrim(name)); | |
260 | u->uid = uid; | |
261 | u->lists = NULL; | |
262 | hash_store(users, id, u); | |
263 | } | |
264 | EXEC SQL CLOSE u_cursor; | |
265 | ||
266 | EXEC SQL DECLARE m_cursor2 CURSOR FOR | |
267 | SELECT list_id, member_id | |
268 | FROM imembers | |
269 | WHERE member_type = "USER"; | |
270 | EXEC SQL OPEN m_cursor2; | |
271 | while (1) { | |
272 | EXEC SQL FETCH m_cursor2 INTO :lid, :id; | |
273 | if (sqlca.sqlcode != 0) break; | |
274 | if ((u = (struct user *) hash_lookup(users, id)) && | |
275 | ((l = hash_lookup(groups, lid)) != NULL)) { | |
276 | g = (struct grp *) malloc(sizeof(struct grp)); | |
277 | g->next = u->lists; | |
278 | u->lists = g; | |
279 | g->lid = l; | |
280 | } | |
281 | } | |
282 | EXEC SQL CLOSE m_cursor2; | |
283 | ||
284 | for (p = &(users->data[users->size - 1]); p >= users->data; p--) { | |
285 | for (b = *p; b; b = b->next) { | |
286 | u = (struct user *)b->data; | |
287 | sprintf(buf, "%s:%d", u->name, u->uid); | |
288 | for (g = u->lists; g; g = g->next) | |
289 | strcat(buf, g->lid); | |
290 | b->data = strsave(buf); | |
291 | fprintf(fd, "%s\n", buf); | |
292 | } | |
293 | } | |
294 | ||
295 | fclose(fd); | |
296 | free(groups); | |
297 | return(users); | |
298 | sqlerr: | |
299 | com_err(whoami, MR_INGRES_ERR, " code %d\n", sqlca.sqlcode); | |
300 | critical_alert("DCM", "NFS build encountered DATABASE ERROR %d", | |
301 | sqlca.sqlcode); | |
302 | exit(MR_INGRES_ERR); | |
303 | } | |
304 | ||
305 | ||
306 | /* Now do each of the servers, linking the credentials list file and | |
307 | * compiling the quota and dirs files. | |
308 | */ | |
309 | ||
310 | int do_machs(machs) | |
311 | struct save_queue *machs; | |
312 | { | |
313 | EXEC SQL BEGIN DECLARE SECTION; | |
314 | char *machname, listname[33], dev[33], dir[81], fstype[9]; | |
315 | int uid, quota, id, gid, flag1, flag2, flag3, flag4; | |
316 | EXEC SQL END DECLARE SECTION; | |
317 | char file[64], f1[64], f2[64], *cp, *index(); | |
318 | int prevuid, quotasum, olddev, oldmach; | |
319 | FILE *fd; | |
320 | struct hash *machines; | |
321 | ||
322 | fprintf(stderr, "Building machine files\n"); | |
323 | ||
324 | /* acquire locks on machines & filesystems */ | |
325 | EXEC SQL SELECT modtime INTO :listname FROM users WHERE users_id = 0; | |
326 | EXEC SQL SELECT modtime INTO :listname FROM machine WHERE users_id = 0; | |
327 | EXEC SQL SELECT modtime INTO :listname FROM filesys WHERE filsys_id = 0; | |
328 | ||
329 | machines = create_hash(100); | |
330 | while (sq_get_data(machs, &machname)) { | |
331 | EXEC SQL SELECT s.value3, m.mach_id | |
332 | INTO :listname, :id | |
333 | FROM serverhosts s, machine m | |
334 | WHERE s.mach_id = m.mach_id AND m.name = :machname; | |
335 | strtrim(machname); | |
336 | sprintf(f1, "%s/list-%s", nfs_dir, strtrim(listname)); | |
337 | sprintf(f2, "%s/%s.cred", nfs_dir, machname); | |
338 | unlink(f2); /* ignore errors on this unlink */ | |
339 | if (link(f1, f2)) { | |
340 | fprintf(stderr, "Cannot link %s to %s\n", f1, f2); | |
341 | exit(MR_OCONFIG); | |
342 | } | |
343 | hash_store(machines, id, machname); | |
344 | } | |
345 | ||
346 | ||
347 | olddev = oldmach = -1; | |
348 | fd = stdin; | |
349 | ||
350 | EXEC SQL DECLARE q_cursor CURSOR FOR | |
351 | SELECT DISTINCT q.quota, u.uid, q.phys_id, n.device, n.mach_id | |
352 | FROM quota q, users u, nfsphys n | |
353 | WHERE u.users_id = q.entity_id AND n.nfsphys_id = q.phys_id AND | |
354 | q.phys_id != 0 AND n.status < 16 AND q.type = "USER" | |
355 | ORDER BY mach_id, phys_id, uid; | |
356 | EXEC SQL OPEN q_cursor; | |
357 | while (1) { | |
358 | EXEC SQL FETCH q_cursor INTO :quota, :uid, :flag1, :dev, :flag2; | |
359 | if (sqlca.sqlcode != 0) break; | |
360 | if (flag1 != olddev || flag2 != oldmach) { | |
361 | fclose(fd); | |
362 | olddev = flag1; | |
363 | oldmach = flag2; | |
364 | while (cp = index(dev, '/')) *cp = '@'; | |
365 | sprintf(file, "%s/%s.%s.quotas", nfs_dir, | |
366 | hash_lookup(machines, flag2), strtrim(dev)); | |
367 | fd = fopen(file, "w"); | |
368 | if (!fd) { | |
369 | fprintf(stderr, "cannot open %s for output\n", file); | |
370 | exit(MR_OCONFIG); | |
371 | } | |
372 | prevuid = -1; | |
373 | quotasum = 0; | |
374 | } | |
375 | if (uid != prevuid) { | |
376 | if (quotasum) | |
377 | fprintf(fd, "%d %d\n", prevuid, quotasum); | |
378 | prevuid = uid; | |
379 | quotasum = quota; | |
380 | } else { | |
381 | quotasum += quota; | |
382 | } | |
383 | } | |
384 | EXEC SQL CLOSE q_cursor; | |
385 | if (quotasum) | |
386 | fprintf(fd, "%d %d\n", prevuid, quotasum); | |
2ab080f0 | 387 | if (fd != stdin && fclose(fd) == EOF) { |
f852c398 | 388 | fprintf(stderr, "error closing %s", file); |
389 | exit(MR_CCONFIG); | |
390 | } | |
391 | ||
392 | olddev = oldmach = -1; | |
393 | fd = stdin; | |
394 | EXEC SQL DECLARE q_cursor2 CURSOR FOR | |
395 | SELECT DISTINCT q.quota, l.gid, q.phys_id, n.device, n.mach_id, n.status | |
396 | FROM quota q, list l, nfsphys n | |
397 | WHERE l.list_id = q.entity_id AND n.nfsphys_id = q.phys_id AND | |
398 | q.phys_id != 0 AND n.status > 15 AND q.type = "GROUP" | |
399 | ORDER BY mach_id, phys_id, gid; | |
400 | EXEC SQL OPEN q_cursor2; | |
401 | while (1) { | |
402 | EXEC SQL FETCH q_cursor2 INTO :quota, :gid, :flag1, :dev, | |
403 | :flag2, :flag3; | |
404 | if (sqlca.sqlcode != 0) break; | |
405 | if (flag1 != olddev || flag2 != oldmach) { | |
406 | fclose(fd); | |
407 | olddev = flag1; | |
408 | oldmach = flag2; | |
409 | while (cp = index(dev, '/')) *cp = '@'; | |
410 | sprintf(file, "%s/%s.%s.quotas", nfs_dir, | |
411 | hash_lookup(machines, flag2), strtrim(dev)); | |
412 | fd = fopen(file, "w"); | |
413 | if (!fd) { | |
414 | fprintf(stderr, "cannot open %s for output\n", file); | |
415 | exit(MR_OCONFIG); | |
416 | } | |
417 | prevuid = -1; | |
418 | quotasum = 0; | |
419 | } | |
420 | if (gid != prevuid) { | |
421 | if (quotasum) | |
422 | fprintf(fd, "%d %d\n", prevuid, quotasum); | |
423 | prevuid = gid; | |
424 | quotasum = quota; | |
425 | } else { | |
426 | quotasum += quota; | |
427 | } | |
428 | } | |
429 | EXEC SQL CLOSE q_cursor2; | |
430 | if (quotasum) | |
431 | fprintf(fd, "%d %d\n", prevuid, quotasum); | |
2ab080f0 | 432 | if (fd != stdin && fclose(fd) == EOF) { |
f852c398 | 433 | fprintf(stderr, "error closing %s", file); |
434 | exit(MR_CCONFIG); | |
435 | } | |
436 | ||
437 | olddev = oldmach = -1; | |
438 | ||
439 | EXEC SQL DECLARE q_cursor3 CURSOR FOR | |
440 | SELECT DISTINCT f.name, f.lockertype, u.uid, l.gid, f.phys_id, | |
441 | f.mach_id, n.device | |
442 | FROM users u, list l, nfsphys n, filesys f | |
443 | WHERE u.users_id = f.owner AND | |
444 | l.list_id = f.owners AND | |
445 | f.createflg != 0 AND f.phys_id != 0 AND | |
446 | f.type = "NFS" AND | |
447 | f.phys_id = n.nfsphys_id | |
448 | ORDER BY mach_id, phys_id; | |
449 | EXEC SQL OPEN q_cursor3; | |
450 | while (1) { | |
451 | EXEC SQL FETCH q_cursor3 INTO :dir, :fstype, :uid, :gid, :flag1, | |
452 | :flag2, :dev; | |
453 | if (sqlca.sqlcode != 0) break; | |
454 | if (flag1 != olddev || flag2 != oldmach) { | |
455 | fclose(fd); | |
456 | olddev = flag1; | |
457 | oldmach = flag2; | |
458 | while (cp = index(dev, '/')) *cp = '@'; | |
459 | sprintf(file, "%s/%s.%s.dirs", nfs_dir, | |
460 | hash_lookup(machines, flag2), strtrim(dev)); | |
461 | fd = fopen(file, "w"); | |
462 | if (!fd) { | |
463 | fprintf(stderr, "cannot open %s for output\n", file); | |
464 | exit(MR_OCONFIG); | |
465 | } | |
466 | } | |
467 | fprintf(fd, "%s %d %d %s\n", strtrim(dir), uid, gid, strtrim(fstype)); | |
468 | } | |
469 | EXEC SQL CLOSE q_cursor3; | |
2ab080f0 | 470 | if (fclose(fd) == EOF) { |
f852c398 | 471 | fprintf(stderr, "error closing %s", file); |
472 | exit(MR_CCONFIG); | |
473 | } | |
474 | return(1); | |
475 | sqlerr: | |
476 | com_err(whoami, MR_INGRES_ERR, " code %d\n", sqlca.sqlcode); | |
477 | critical_alert("DCM", "NFS build encountered DATABASE ERROR %d", | |
478 | sqlca.sqlcode); | |
479 | exit(MR_INGRES_ERR); | |
480 | } |