]>
Commit | Line | Data |
---|---|---|
6efe4fbf | 1 | /* $Header$ |
2 | * | |
3 | * This generates the files necessary to load an nfs server. | |
0a5ff702 | 4 | * |
5 | * (c) Copyright 1988 by the Massachusetts Institute of Technology. | |
6 | * For copying and distribution information, please see the file | |
7 | * <mit-copyright.h>. | |
6efe4fbf | 8 | */ |
9 | ||
0a5ff702 | 10 | #include <mit-copyright.h> |
6efe4fbf | 11 | #include <stdio.h> |
12 | #include <sms.h> | |
13 | #include <sms_app.h> | |
14 | #include <sys/types.h> | |
15 | #include <sys/stat.h> | |
16 | #include <sys/time.h> | |
17 | ||
c461aa3e | 18 | #undef NFS_DIR |
6efe4fbf | 19 | #define NFS_DIR "/u1/sms/dcm/nfs" |
20 | ||
21 | #define min(x,y) ((x) < (y) ? (x) : (y)) | |
22 | ||
969cfb2b | 23 | char *whoami = "nfs.gen"; |
6efe4fbf | 24 | char *malloc(), *strsave(); |
25 | char *ingres_date_and_time(), *ingres_time(), *ingres_date(); | |
26 | ||
27 | main(argc, argv) | |
28 | int argc; | |
29 | char **argv; | |
30 | { | |
31 | char cmd[64]; | |
32 | struct stat sb; | |
3548eee6 | 33 | int changed = 0; |
969cfb2b | 34 | int ingerr(); |
6efe4fbf | 35 | |
36 | if (argc > 2) { | |
37 | fprintf(stderr, "usage: %s [outfile]\n", argv[0]); | |
38 | exit(SMS_ARGS); | |
39 | } | |
40 | ||
969cfb2b | 41 | IIseterr(ingerr); |
330c8868 | 42 | initialize_sms_error_table(); |
6efe4fbf | 43 | ## ingres sms |
1daee9f8 | 44 | ## set lockmode session where level = table |
6efe4fbf | 45 | |
3548eee6 | 46 | changed = do_nfs(); |
6efe4fbf | 47 | |
48 | ## exit | |
49 | ||
3548eee6 | 50 | if (!changed) { |
51 | fprintf(stderr, "No files updated.\n"); | |
52 | if (argc == 2 && stat(argv[1], &sb) == 0) | |
53 | exit(SMS_NO_CHANGE); | |
54 | } | |
55 | ||
6efe4fbf | 56 | if (argc == 2) { |
72d4c6c5 | 57 | sprintf(cmd, "cd %s; cp /u1/sms/nfs/* .; tar cf %s .", NFS_DIR, argv[1]); |
6efe4fbf | 58 | if (system(cmd)) |
59 | exit(SMS_TAR_FAIL); | |
60 | } | |
61 | ||
62 | exit(SMS_SUCCESS); | |
63 | } | |
64 | ||
65 | ||
969cfb2b | 66 | /* |
67 | * ingerr: (supposedly) called when Ingres indicates an error. | |
68 | * I have not yet been able to get this to work to intercept a | |
69 | * database open error. | |
70 | */ | |
71 | #define INGRES_DEADLOCK 4700 | |
72 | ||
73 | static int ingerr(num) | |
74 | int *num; | |
75 | { | |
76 | char buf[256]; | |
77 | int ingres_errno; | |
78 | ||
79 | switch (*num) { | |
80 | case INGRES_DEADLOCK: | |
81 | ingres_errno = SMS_DEADLOCK; | |
82 | break; | |
83 | default: | |
84 | ingres_errno = SMS_INGRES_ERR; | |
85 | } | |
86 | com_err(whoami, SMS_INGRES_ERR, " code %d\n", *num); | |
87 | critical_alert("DCM", "NFS build encountered INGRES ERROR %d", *num); | |
88 | exit(ingres_errno); | |
89 | } | |
90 | ||
91 | ||
3548eee6 | 92 | /* Generate the files. Returns zero if nothing changed, non-zero otherwise. */ |
93 | ||
94 | int do_nfs() | |
6efe4fbf | 95 | ##{ |
96 | ## char machname[33], listname[33]; | |
97 | struct save_queue *machs, *lists; | |
3548eee6 | 98 | int changed; |
6efe4fbf | 99 | |
100 | machs = sq_create(); | |
101 | lists = sq_create(); | |
102 | ## range of s is serverhosts | |
103 | ## retrieve (machname = trim(machine.name), listname = trim(s.value3)) | |
104 | ## where machine.mach_id = s.mach_id and s.enable != 0 { | |
105 | sq_save_unique_string(machs, strsave(machname)); | |
106 | sq_save_unique_string(lists, strsave(listname)); | |
107 | ## } | |
108 | ||
3548eee6 | 109 | changed = do_lists(lists); |
110 | changed += do_machs(machs); | |
111 | return(changed); | |
6efe4fbf | 112 | ##} |
113 | ||
114 | ||
3548eee6 | 115 | /* Make all of the credentials lists that will be needed. Returns 0 if |
116 | * no files were actually changed */ | |
117 | ||
118 | int do_lists(lists) | |
6efe4fbf | 119 | struct save_queue *lists; |
120 | ##{ | |
3548eee6 | 121 | char file[64], *u; |
122 | struct hash *users, *do_everyone(); | |
123 | struct stat sb; | |
6efe4fbf | 124 | FILE *fd; |
3548eee6 | 125 | ## char *listname, *lsname, lname[33], uname[9], *filetime; |
126 | ## int uid, id, flag1, flag2, flag3, flag4; | |
6efe4fbf | 127 | |
3548eee6 | 128 | sprintf(file, "%s/list-", NFS_DIR); |
129 | if (stat(file, &sb) == 0) { | |
130 | filetime = ingres_date_and_time(sb.st_mtime); | |
131 | ## retrieve (flag1 = int4(interval("min", tblstats.modtime - filetime))) | |
132 | ## where tblstats.table = "users" | |
133 | ## retrieve (flag2 = int4(interval("min", tblstats.modtime - filetime))) | |
134 | ## where tblstats.table = "list" | |
135 | ## retrieve (flag3 = int4(interval("min", tblstats.modtime - filetime))) | |
330c8868 | 136 | ## where tblstats.table = "imembers" |
3548eee6 | 137 | ## retrieve (flag4 = int4(interval("min", tblstats.modtime - filetime))) |
138 | ## where tblstats.table = "serverhosts" | |
139 | if (flag1 < 0 && flag2 < 0 && flag3 < 0 && flag4 < 0) { | |
140 | fprintf(stderr, "The lists do not need to be rebuilt.\n"); | |
141 | return(0); | |
142 | } | |
143 | } | |
144 | ||
1daee9f8 | 145 | ## begin transaction |
146 | /* get locks */ | |
147 | ## retrieve (lname = list.modtime) where list.list_id = 0 | |
148 | ## retrieve (lname = users.modtime) where users.users_id = 0 | |
149 | ||
3548eee6 | 150 | /* build the list of everyone, and store it in a file whose name |
151 | * corresponds to the empty list. | |
152 | */ | |
6efe4fbf | 153 | users = do_everyone(); |
154 | ||
3548eee6 | 155 | fprintf(stderr, "Building specific lists\n"); |
156 | /* now do each of the lists used by an NFS server */ | |
6efe4fbf | 157 | ## range of l is list |
158 | ## range of l1 is list | |
330c8868 | 159 | ## range of m is imembers |
6efe4fbf | 160 | ## range of u is users |
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(SMS_OCONFIG); | |
169 | } | |
330c8868 | 170 | ## repeat retrieve (id = m.member_id) |
171 | ## where m.list_id = l1.list_id and l1.name = @lsname and | |
172 | ## m.member_type = "USER" { | |
173 | if (u = hash_lookup(users, id)) | |
174 | fprintf(fd, "%s\n", u); | |
175 | ## } | |
176 | if (fclose(fd)) { | |
6efe4fbf | 177 | fprintf(stderr, "error closing %s\n", file); |
178 | exit(SMS_CCONFIG); | |
179 | } | |
180 | } | |
1daee9f8 | 181 | /* don't free here either |
6efe4fbf | 182 | sq_destroy(lists); |
1daee9f8 | 183 | */ |
184 | ## end transaction | |
3548eee6 | 185 | return(1); |
6efe4fbf | 186 | ##} |
187 | ||
188 | ||
3548eee6 | 189 | /* Build the list of everybody. */ |
190 | struct grp { | |
191 | struct grp *next; | |
192 | int id; | |
193 | }; | |
194 | struct user { | |
195 | char name[9]; | |
d3c7c2f9 | 196 | int uid; |
3548eee6 | 197 | struct grp *lists; |
198 | }; | |
199 | ||
200 | struct hash *do_everyone() | |
6efe4fbf | 201 | ##{ |
3548eee6 | 202 | char buf[BUFSIZ], *l; |
203 | struct hash *groups, *users; | |
204 | struct user *u; | |
205 | struct grp *g; | |
206 | struct bucket *b, **p; | |
6efe4fbf | 207 | ## char name[33]; |
208 | ## int gid, id, lid, maxid, uid; | |
209 | FILE *fd; | |
969cfb2b | 210 | int i; |
6efe4fbf | 211 | struct save_queue *sq; |
212 | ||
3548eee6 | 213 | fprintf(stderr, "Building the list of everybody\n"); |
6efe4fbf | 214 | sprintf(buf, "%s/list-", NFS_DIR); |
215 | fd = fopen(buf, "w"); | |
216 | if (!fd) { | |
217 | fprintf(stderr, "cannot open %s for output\n", buf); | |
218 | exit(SMS_OCONFIG); | |
219 | } | |
220 | ||
221 | /* make space for group list */ | |
3548eee6 | 222 | groups = create_hash(15000); |
6efe4fbf | 223 | |
224 | /* retrieve simple groups */ | |
3548eee6 | 225 | ## range of l is list |
6efe4fbf | 226 | ## retrieve (gid = l.#gid, lid = l.list_id) |
3548eee6 | 227 | ## where l.group != 0 and l.active != 0 { |
228 | sprintf(buf, ":%d", gid); | |
229 | hash_store(groups, lid, strsave(buf)); | |
6efe4fbf | 230 | ## } |
231 | ||
3548eee6 | 232 | /* now do grplists */ |
233 | users = create_hash(10000); | |
6efe4fbf | 234 | ## range of u is users |
d3c7c2f9 | 235 | ## retrieve (id = u.users_id, name = u.login, uid = u.#uid) |
236 | ## where u.status = 1 { | |
3548eee6 | 237 | u = (struct user *) malloc(sizeof(struct user)); |
238 | strcpy(u->name, strtrim(name)); | |
d3c7c2f9 | 239 | u->uid = uid; |
3548eee6 | 240 | u->lists = NULL; |
241 | hash_store(users, id, u); | |
242 | ## } | |
6efe4fbf | 243 | |
330c8868 | 244 | ## range of m is imembers |
245 | ## retrieve (lid = m.list_id, id = m.member_id) where m.member_type = "USER" { | |
969cfb2b | 246 | if ((u = (struct user *) hash_lookup(users, id)) && |
247 | (hash_lookup(groups, lid) != NULL)) { | |
3548eee6 | 248 | g = (struct grp *) malloc(sizeof(struct grp)); |
249 | g->next = u->lists; | |
250 | u->lists = g; | |
251 | g->id = lid; | |
252 | } | |
6efe4fbf | 253 | ## } |
3548eee6 | 254 | |
255 | for (p = &(users->data[users->size - 1]); p >= users->data; p--) { | |
256 | for (b = *p; b; b = b->next) { | |
969cfb2b | 257 | i = 0; |
d3c7c2f9 | 258 | u = (struct user *)b->data; |
259 | sprintf(buf, "%s:%d", u->name, u->uid); | |
260 | for (g = u->lists; g; g = g->next) | |
969cfb2b | 261 | if (l = hash_lookup(groups, g->id)) { |
262 | i++; | |
263 | strcat(buf, l); | |
264 | } | |
330c8868 | 265 | /* should free stuff here... |
969cfb2b | 266 | if (i > 1) { |
267 | remove_duplicate_groups(buf); | |
330c8868 | 268 | } */ |
3548eee6 | 269 | b->data = strsave(buf); |
270 | fprintf(fd, "%s\n", buf); | |
271 | } | |
6efe4fbf | 272 | } |
3548eee6 | 273 | |
6efe4fbf | 274 | fclose(fd); |
6efe4fbf | 275 | free(groups); |
276 | return(users); | |
277 | ##} | |
278 | ||
969cfb2b | 279 | #define MAXGROUPS 256 |
280 | ||
281 | remove_duplicate_groups(p) | |
282 | register char *p; | |
283 | { | |
284 | register char *pp; | |
285 | char *index(); | |
286 | register int *mp; | |
287 | int memory[MAXGROUPS], i, *mg = &memory[MAXGROUPS-1]; | |
288 | ||
289 | bzero(memory, MAXGROUPS * sizeof(int)); | |
290 | p = index(p, ':'); | |
291 | p++; | |
292 | while (p = index(p, ':')) { | |
293 | i = atoi(++p); | |
294 | pp = p; | |
295 | for (mp = memory; *mp && mp < mg; mp++) | |
296 | if (*mp == i) { | |
297 | if (p = index(p, ':')) | |
298 | strcpy(pp, ++p); | |
299 | else { | |
300 | *(--pp) = 0; | |
301 | } | |
302 | p = pp - 2; | |
303 | break; | |
304 | } | |
305 | *mp = i; | |
306 | } | |
307 | } | |
308 | ||
6efe4fbf | 309 | |
3548eee6 | 310 | /* Now do each of the servers, linking the credentials list file and |
311 | * compiling the quota and dirs files. | |
312 | */ | |
313 | ||
314 | int do_machs(machs) | |
6efe4fbf | 315 | struct save_queue *machs; |
316 | ##{ | |
3548eee6 | 317 | ## char *machname, listname[33], dev[33], *device, dir[64], fstype[9]; |
318 | ## char *filetime; | |
319 | ## int uid, quota, id, gid, flag1, flag2, flag3, flag4; | |
6efe4fbf | 320 | char file[64], f1[64], f2[64], *cp, *index(); |
321 | int prevuid, quotasum; | |
322 | FILE *fd; | |
3548eee6 | 323 | struct stat sb; |
6efe4fbf | 324 | struct save_queue *sq; |
325 | ||
3548eee6 | 326 | /* |
327 | sprintf(file, "%s/list-", NFS_DIR); | |
328 | if (stat(file, &sb) == 0) { | |
329 | filetime = ingres_date_and_time(sb.st_mtime); | |
330 | # retrieve (flag1 = int4(interval("min", tblstats.modtime - filetime))) | |
331 | # where tblstats.table = "serverhosts" | |
332 | # retrieve (flag2 = int4(interval("min", tblstats.modtime - filetime))) | |
333 | # where tblstats.table = "filesys" | |
334 | # retrieve (flag3 = int4(interval("min", tblstats.modtime - filetime))) | |
335 | # where tblstats.table = "nfsquota" | |
336 | # retrieve (flag4 = int4(interval("min", tblstats.modtime - filetime))) | |
337 | # where tblstats.table = "nfsphys" | |
338 | if (flag1 < 0 && flag2 < 0 && flag3 < 0 && flag4 < 0) { | |
339 | fprintf(stderr, "The machine files do not need to be rebuilt.\n"); | |
340 | return(0); | |
341 | } | |
342 | } | |
343 | */ | |
344 | ||
345 | fprintf(stderr, "Building machine files\n"); | |
346 | ||
6efe4fbf | 347 | ## range of s is serverhosts |
348 | ## range of m is machine | |
349 | ## range of n is nfsphys | |
350 | ## range of q is nfsquota | |
351 | ## range of f is filesys | |
352 | ## range of u is users | |
353 | ## range of l is list | |
140e3035 | 354 | |
355 | /* acquire locks on users, lists, machines & filesystems */ | |
356 | ## begin transaction | |
357 | ## retrieve (listname = u.modtime) where u.users_id = 0 | |
358 | ## retrieve (listname = l.modtime) where l.list_id = 0 | |
359 | ## retrieve (listname = m.modtime) where m.mach_id = 0 | |
360 | ## retrieve (listname = f.modtime) where f.filsys_id = 0 | |
361 | ||
6efe4fbf | 362 | while (sq_get_data(machs, &machname)) { |
3548eee6 | 363 | ## repeat retrieve (listname = trim(s.value3)) |
6efe4fbf | 364 | ## where s.mach_id = m.mach_id and m.name = @machname |
3548eee6 | 365 | strtrim(machname); |
6efe4fbf | 366 | sprintf(f1, "%s/list-%s", NFS_DIR, listname); |
367 | sprintf(f2, "%s/%s.cred", NFS_DIR, machname); | |
368 | unlink(f2); /* ignore errors on this unlink */ | |
369 | if (link(f1, f2)) { | |
370 | fprintf(stderr, "Cannot link %s to %s\n", f1, f2); | |
371 | exit(SMS_OCONFIG); | |
372 | } | |
373 | sq = sq_create(); | |
374 | ## repeat retrieve (dev = trim(n.#device)) | |
375 | ## where n.mach_id = m.mach_id and m.name = @machname { | |
376 | sq_save_data(sq, strsave(dev)); | |
377 | ## } | |
378 | while (sq_get_data(sq, &device)) { | |
379 | ## repeat retrieve (id = n.nfsphys_id) where n.mach_id = m.mach_id and | |
380 | ## m.#name = @machname and n.#device = @device | |
381 | while (cp = index(device, '/')) *cp = '@'; | |
382 | sprintf(file, "%s/%s.%s.quotas", NFS_DIR, machname, device); | |
383 | fd = fopen(file, "w"); | |
384 | if (!fd) { | |
385 | fprintf(stderr, "cannot open %s for output\n", file); | |
386 | exit(SMS_OCONFIG); | |
387 | } | |
388 | prevuid = -1; | |
389 | quotasum = 0; | |
390 | ## repeat retrieve (uid = u.#uid, quota = q.#quota) | |
391 | ## where q.users_id = u.users_id and q.filsys_id = f.filsys_id and | |
392 | ## f.phys_id = @id and u.status != 0 sort by #uid { | |
393 | if (uid != prevuid) { | |
394 | if (quotasum) | |
395 | fprintf(fd, "%d %d\n", prevuid, quotasum); | |
396 | prevuid = uid; | |
397 | quotasum = quota; | |
398 | } else { | |
399 | quotasum += quota; | |
400 | } | |
401 | ## } | |
402 | if (quotasum) | |
403 | fprintf(fd, "%d %d\n", prevuid, quotasum); | |
404 | if (fclose(fd)) { | |
405 | fprintf(stderr, "error closing %s", file); | |
406 | exit(SMS_CCONFIG); | |
407 | } | |
408 | sprintf(file, "%s/%s.%s.dirs", NFS_DIR, machname, device); | |
409 | fd = fopen(file, "w"); | |
410 | if (!fd) { | |
411 | fprintf(stderr, "cannot open %s for output\n", file); | |
412 | exit(SMS_OCONFIG); | |
413 | } | |
3548eee6 | 414 | ## repeat retrieve (dir = trim(f.#name), fstype = trim(f.lockertype), |
415 | ## uid = u.#uid, gid = l.#gid) | |
6efe4fbf | 416 | ## where f.phys_id = @id and f.owner = u.users_id and |
417 | ## f.owners = l.list_id and f.createflg != 0 { | |
3548eee6 | 418 | fprintf(fd, "%s %d %d %s\n", dir, uid, gid, fstype); |
6efe4fbf | 419 | ## } |
420 | if (fclose(fd)) { | |
421 | fprintf(stderr, "error closing %s", file); | |
422 | exit(SMS_CCONFIG); | |
423 | } | |
424 | } | |
425 | sq_destroy(sq); | |
426 | } | |
1daee9f8 | 427 | ## end transaction |
3548eee6 | 428 | return(1); |
6efe4fbf | 429 | ##} |