3 * This generates the files necessary to load an nfs server.
5 * Copyright (C) 1988-1998 by the Massachusetts Institute of Technology.
6 * For copying and distribution information, please see the file
10 #include <mit-copyright.h>
12 #include <moira_site.h>
15 #include <sys/types.h>
24 EXEC SQL INCLUDE sqlca;
28 #define min(x, y) ((x) < (y) ? (x) : (y))
30 char *whoami = "nfs.gen";
31 char *db = "moira/moira";
32 char nfs_dir[MAXPATHLEN];
33 struct hash *users, *groups;
36 int do_lists(struct save_queue *lists);
37 void do_everyone(void);
38 int do_machs(struct save_queue *machs);
40 int main(int argc, char **argv)
48 fprintf(stderr, "usage: %s [outfile]\n", argv[0]);
52 initialize_sms_error_table();
53 sprintf(nfs_dir, "%s/nfs", DCM_DIR);
63 fprintf(stderr, "No files updated.\n");
64 if (argc == 2 && stat(argv[1], &sb) == 0)
70 sprintf(cmd, "cd %s; cp %s/nfs/* .; tar cf %s .",
71 nfs_dir, MOIRA_DIR, argv[1]);
80 /* Generate the files. Returns zero if nothing changed, non-zero otherwise. */
84 EXEC SQL BEGIN DECLARE SECTION;
85 char machname[MACHINE_NAME_SIZE], listname[SERVERHOSTS_VALUE3_SIZE];
86 EXEC SQL END DECLARE SECTION;
87 struct save_queue *machs, *lists;
93 /* The following is declarative, not executed,
94 * and so is dependent on where it is in the file,
95 * not in the order of execution of statements.
97 EXEC SQL WHENEVER SQLERROR GOTO sqlerr;
99 EXEC SQL DECLARE s_cursor CURSOR FOR
100 SELECT m.name, s.value3
101 FROM machine m, serverhosts s
102 WHERE m.mach_id = s.mach_id AND s.service = 'NFS' AND s.enable != 0;
103 EXEC SQL OPEN s_cursor;
106 EXEC SQL FETCH s_cursor INTO :machname, :listname;
109 sq_save_unique_string(machs, strdup(strtrim(machname)));
110 sq_save_unique_string(lists, strdup(strtrim(listname)));
112 EXEC SQL CLOSE s_cursor;
114 changed = do_lists(lists);
116 changed += do_machs(machs);
119 db_error(sqlca.sqlcode);
124 /* Make all of the credentials lists that will be needed. Returns 0 if
125 * no files were actually changed
128 int do_lists(struct save_queue *lists)
130 char file[MAXPATHLEN], *u;
132 EXEC SQL BEGIN DECLARE SECTION;
135 EXEC SQL END DECLARE SECTION;
137 sprintf(file, "%s/list-", nfs_dir);
139 /* build the list of everyone, and store it in a file whose name
140 * corresponds to the empty list.
144 fprintf(stderr, "Building specific lists\n");
145 /* now do each of the lists used by an NFS server */
147 while (sq_get_data(lists, &listname))
149 if (strlen(listname) == 0)
151 sprintf(file, "%s/list-%s", nfs_dir, listname);
152 fd = fopen(file, "w");
155 fprintf(stderr, "cannot open %s for output\n", file);
159 EXEC SQL DECLARE m_cursor CURSOR FOR
161 FROM imembers m, list l
162 WHERE m.list_id = l.list_id AND l.name = :listname
163 AND m.member_type = 'USER'
165 EXEC SQL OPEN m_cursor;
168 EXEC SQL FETCH m_cursor INTO :id;
171 if ((u = hash_lookup(users, id)))
172 fprintf(fd, "%s\n", u);
174 EXEC SQL CLOSE m_cursor;
175 if (fclose(fd) == EOF)
177 fprintf(stderr, "error closing %s\n", file);
181 /* don't free here either
186 db_error(sqlca.sqlcode);
191 /* Build the list of everybody. */
198 char name[USERS_LOGIN_SIZE];
204 void do_everyone(void)
206 const buflen = MAXPATHLEN;
207 char buf[MAXPATHLEN], *l;
210 struct bucket *b, **p;
211 EXEC SQL BEGIN DECLARE SECTION;
212 char name[USERS_LOGIN_SIZE];
213 int gid, id, lid, uid;
214 EXEC SQL END DECLARE SECTION;
217 fprintf(stderr, "Building the list of everybody\n");
218 sprintf(buf, "%s/list-", nfs_dir);
219 fd = fopen(buf, "w");
222 fprintf(stderr, "cannot open %s for output\n", buf);
226 /* make space for group list */
227 groups = create_hash(15000);
229 /* retrieve simple groups */
230 EXEC SQL DECLARE l_cursor CURSOR FOR
233 WHERE nfsgroup != 0 AND grouplist != 0 AND active != 0
235 EXEC SQL OPEN l_cursor;
238 EXEC SQL FETCH l_cursor INTO :gid, :lid;
241 sprintf(buf, ":%d", gid);
242 hash_store(groups, lid, strdup(buf));
244 EXEC SQL CLOSE l_cursor;
246 /* now do grplists */
247 users = create_hash(10000);
248 EXEC SQL DECLARE u_cursor CURSOR FOR
249 SELECT users_id, login, unix_uid
253 EXEC SQL OPEN u_cursor;
256 EXEC SQL FETCH u_cursor INTO :id, :name, :uid;
259 u = malloc(sizeof(struct user));
260 strcpy(u->name, strtrim(name));
263 hash_store(users, id, u);
265 EXEC SQL CLOSE u_cursor;
267 EXEC SQL DECLARE m_cursor2 CURSOR FOR
268 SELECT list_id, member_id
270 WHERE member_type = 'USER'
272 EXEC SQL OPEN m_cursor2;
275 EXEC SQL FETCH m_cursor2 INTO :lid, :id;
278 if ((u = hash_lookup(users, id)) && (l = hash_lookup(groups, lid)))
280 g = malloc(sizeof(struct grp));
286 EXEC SQL CLOSE m_cursor2;
288 for (p = &(users->data[users->size - 1]); p >= users->data; p--)
290 for (b = *p; b; b = b->next)
292 u = (struct user *)b->data;
293 sprintf(buf, "%s:%d:101", u->name, u->uid);
294 for (g = u->lists; g; g = g->next)
296 if ((strlen(buf) + strlen(g->lid)) <= buflen)
300 com_err(whoami, 0, "truncated server-side grp list for %s",
305 b->data = strdup(buf);
306 fprintf(fd, "%s\n", buf);
314 db_error(sqlca.sqlcode);
319 /* Now do each of the servers, linking the credentials list file and
320 * compiling the quota and dirs files.
323 int do_machs(struct save_queue *machs)
325 EXEC SQL BEGIN DECLARE SECTION;
326 char *machname, listname[SERVERHOSTS_VALUE3_SIZE];
327 char dev[NFSPHYS_DEVICE_SIZE], dir[FILESYS_NAME_SIZE];
328 char fstype[FILESYS_LOCKERTYPE_SIZE];
329 int uid, quota, id, gid, flag1, flag2, flag3;
330 EXEC SQL END DECLARE SECTION;
331 char file[MAXPATHLEN], f1[MAXPATHLEN], f2[MAXPATHLEN], *cp;
332 int prevuid, quotasum, olddev, oldmach;
334 struct hash *machines;
336 fprintf(stderr, "Building machine files\n");
338 machines = create_hash(100);
339 while (sq_get_data(machs, &machname))
341 EXEC SQL SELECT s.value3, m.mach_id
343 FROM serverhosts s, machine m
344 WHERE s.mach_id = m.mach_id AND m.name = :machname AND
347 sprintf(f1, "%s/list-%s", nfs_dir, strtrim(listname));
348 sprintf(f2, "%s/%s.cred", nfs_dir, machname);
349 unlink(f2); /* ignore errors on this unlink */
352 fprintf(stderr, "Cannot link %s to %s\n", f1, f2);
355 hash_store(machines, id, machname);
358 olddev = oldmach = -1;
361 EXEC SQL DECLARE q_cursor CURSOR FOR
362 SELECT DISTINCT q.quota, q.entity_id, q.phys_id, n.device, n.mach_id
363 FROM quota q, nfsphys n
364 WHERE n.nfsphys_id = q.phys_id AND q.phys_id != 0 AND
365 n.status < 16 AND q.type = 'USER'
366 ORDER BY n.mach_id, q.phys_id, q.entity_id;
367 EXEC SQL OPEN q_cursor;
370 EXEC SQL FETCH q_cursor INTO :quota, :uid, :flag1, :dev, :flag2;
373 if (flag1 != olddev || flag2 != oldmach)
376 fprintf(fd, "%d %d\n", prevuid, quotasum);
377 if (flag2 == 0 || !hash_lookup(machines, flag2))
383 while ((cp = strchr(dev, '/')))
385 sprintf(file, "%s/%s.%s.quotas", nfs_dir,
386 (char *)hash_lookup(machines, flag2), strtrim(dev));
387 fd = fopen(file, "w");
390 fprintf(stderr, "cannot open %s for output\n", file);
398 if ((cp = hash_lookup(users, prevuid)) &&
399 (cp = strchr(cp, ':')))
400 prevuid = atoi(cp + 1);
402 fprintf(fd, "%d %d\n", prevuid, quotasum);
409 EXEC SQL CLOSE q_cursor;
410 if ((cp = hash_lookup(users, prevuid)) &&
411 (cp = strchr(cp, ':')))
412 prevuid = atoi(cp + 1);
414 fprintf(fd, "%d %d\n", prevuid, quotasum);
415 if (fd != stdin && fclose(fd) == EOF)
417 fprintf(stderr, "error closing %s", file);
421 olddev = oldmach = -1;
423 EXEC SQL DECLARE q_cursor2 CURSOR FOR
424 SELECT DISTINCT q.quota, q.entity_id, q.phys_id, n.device, n.mach_id,
426 FROM quota q, nfsphys n
427 WHERE n.nfsphys_id = q.phys_id AND q.phys_id != 0 AND
428 n.status > 15 AND q.type = 'GROUP'
429 ORDER BY mach_id, phys_id, entity_id;
430 EXEC SQL OPEN q_cursor2;
433 EXEC SQL FETCH q_cursor2 INTO :quota, :gid, :flag1, :dev,
437 if (flag1 != olddev || flag2 != oldmach)
440 fprintf(fd, "%d %d\n", prevuid, quotasum);
441 if (flag2 == 0 || !hash_lookup(machines, flag2))
447 while ((cp = strchr(dev, '/')))
449 sprintf(file, "%s/%s.%s.quotas", nfs_dir,
450 (char *)hash_lookup(machines, flag2), strtrim(dev));
451 fd = fopen(file, "w");
454 fprintf(stderr, "cannot open %s for output\n", file);
462 if ((cp = hash_lookup(groups, prevuid)))
463 prevuid = atoi(cp + 1);
465 fprintf(fd, "%d %d\n", prevuid, quotasum);
472 EXEC SQL CLOSE q_cursor2;
473 if ((cp = hash_lookup(groups, prevuid)))
474 prevuid = atoi(cp + 1);
476 fprintf(fd, "%d %d\n", prevuid, quotasum);
477 if (fd != stdin && fclose(fd) == EOF)
479 fprintf(stderr, "error closing %s", file);
483 olddev = oldmach = -1;
486 EXEC SQL DECLARE q_cursor3 CURSOR FOR
487 SELECT DISTINCT f.name, f.lockertype, u.unix_uid, l.gid, f.phys_id,
489 FROM users u, list l, nfsphys n, filesys f
490 WHERE u.users_id = f.owner AND l.list_id = f.owners
491 AND f.createflg != 0 AND f.phys_id != 0 AND f.type = 'NFS'
492 AND f.phys_id = n.nfsphys_id
493 ORDER BY mach_id, phys_id;
494 EXEC SQL OPEN q_cursor3;
497 EXEC SQL FETCH q_cursor3 INTO :dir, :fstype, :uid, :gid, :flag1,
501 if ((flag1 != olddev || flag2 != oldmach) &&
502 hash_lookup(machines, flag2))
508 while ((cp = strchr(dev, '/')))
510 sprintf(file, "%s/%s.%s.dirs", nfs_dir,
511 (char *)hash_lookup(machines, flag2), strtrim(dev));
512 fd = fopen(file, "w");
515 fprintf(stderr, "cannot open %s for output\n", file);
519 fprintf(fd, "%s %d %d %s\n", strtrim(dir), uid, gid, strtrim(fstype));
521 EXEC SQL CLOSE q_cursor3;
522 if (fclose(fd) == EOF)
524 fprintf(stderr, "error closing %s", file);
529 db_error(sqlca.sqlcode);