]>
Commit | Line | Data |
---|---|---|
1 | /* $Id$ | |
2 | * | |
3 | * Query setup routines | |
4 | * | |
5 | * Copyright (C) 1987-1998 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 "mr_server.h" | |
12 | #include "query.h" | |
13 | #include "qrtn.h" | |
14 | ||
15 | #include <arpa/inet.h> | |
16 | #include <netinet/in.h> | |
17 | ||
18 | #include <ctype.h> | |
19 | #include <stdlib.h> | |
20 | #include <string.h> | |
21 | ||
22 | EXEC SQL INCLUDE sqlca; | |
23 | ||
24 | RCSID("$Header$"); | |
25 | ||
26 | extern char *whoami; | |
27 | extern int dbms_errno, mr_errcode; | |
28 | ||
29 | EXEC SQL BEGIN DECLARE SECTION; | |
30 | extern char stmt_buf[]; | |
31 | EXEC SQL END DECLARE SECTION; | |
32 | ||
33 | EXEC SQL WHENEVER SQLERROR DO dbmserr(); | |
34 | ||
35 | ||
36 | int prefetch_value(struct query *q, char **argv, client *cl); | |
37 | int check_nfs(int mach_idx, char *name, char *access); | |
38 | ||
39 | /* Setup Routines */ | |
40 | ||
41 | /* Setup routine for add_user | |
42 | * | |
43 | * Inputs: argv[0] - login | |
44 | * argv[1] - uid | |
45 | * | |
46 | * Description: | |
47 | * | |
48 | * - if argv[1] == UNIQUE_UID then set argv[1] = next(uid) | |
49 | * - if argv[0] == UNIQUE_LOGIN then set argv[0] = "#<uid>" | |
50 | */ | |
51 | ||
52 | int setup_ausr(struct query *q, char *argv[], client *cl) | |
53 | { | |
54 | int row, err; | |
55 | EXEC SQL BEGIN DECLARE SECTION; | |
56 | int nuid; | |
57 | EXEC SQL END DECLARE SECTION; | |
58 | ||
59 | if (!strcmp(q->shortname, "uusr") || !strcmp(q->shortname, "uuac")) | |
60 | row = 2; | |
61 | else | |
62 | row = 1; | |
63 | ||
64 | if (strlen(argv[row + 2]) + strlen(argv[row + 3]) + | |
65 | strlen(argv[row + 4]) + 2 > USERS_FULLNAME_SIZE) | |
66 | return MR_ARG_TOO_LONG; | |
67 | ||
68 | if (!strcmp(argv[row], UNIQUE_UID) || atoi(argv[row]) == -1) | |
69 | { | |
70 | if ((err = set_next_object_id("unix_uid", USERS_TABLE, 1))) | |
71 | return err; | |
72 | EXEC SQL SELECT value INTO :nuid FROM numvalues WHERE name = 'unix_uid'; | |
73 | if (sqlca.sqlerrd[2] != 1) | |
74 | return MR_INTERNAL; | |
75 | sprintf(argv[row], "%d", nuid); | |
76 | } | |
77 | ||
78 | if (!strcmp(argv[0], UNIQUE_LOGIN) || atoi(argv[row]) == -1) | |
79 | sprintf(argv[0], "#%s", argv[row]); | |
80 | ||
81 | if ((mr_errcode = prefetch_value(q, argv, cl)) != MR_SUCCESS) | |
82 | return mr_errcode; | |
83 | ||
84 | return MR_SUCCESS; | |
85 | } | |
86 | ||
87 | ||
88 | /* setup_dusr - verify that the user is no longer being referenced | |
89 | * and may safely be deleted. | |
90 | */ | |
91 | ||
92 | int setup_dusr(struct query *q, char *argv[], client *cl) | |
93 | { | |
94 | EXEC SQL BEGIN DECLARE SECTION; | |
95 | int flag, id, cnt; | |
96 | EXEC SQL END DECLARE SECTION; | |
97 | ||
98 | id = *(int *)argv[0]; | |
99 | ||
100 | /* For now, only allow users to be deleted if their status is 0 */ | |
101 | EXEC SQL SELECT status INTO :flag FROM users WHERE users_id = :id; | |
102 | if (flag != 0 && flag != 4) | |
103 | return MR_IN_USE; | |
104 | ||
105 | EXEC SQL DELETE FROM quota WHERE entity_id = :id AND type = 'USER'; | |
106 | EXEC SQL DELETE FROM krbmap WHERE users_id = :id; | |
107 | EXEC SQL SELECT COUNT(member_id) INTO :cnt FROM imembers | |
108 | WHERE member_id = :id AND member_type = 'USER'; | |
109 | if (cnt > 0) | |
110 | return MR_IN_USE; | |
111 | EXEC SQL SELECT COUNT(label) INTO :cnt FROM filesys | |
112 | WHERE owner = :id; | |
113 | if (cnt > 0) | |
114 | return MR_IN_USE; | |
115 | EXEC SQL SELECT COUNT(name) INTO :cnt FROM list | |
116 | WHERE acl_id = :id AND acl_type = 'USER'; | |
117 | if (cnt > 0) | |
118 | return MR_IN_USE; | |
119 | EXEC SQL SELECT COUNT(name) INTO :cnt FROM servers | |
120 | WHERE acl_id = :id AND acl_type = 'USER'; | |
121 | if (cnt > 0) | |
122 | return MR_IN_USE; | |
123 | EXEC SQL SELECT COUNT(acl_id) INTO :cnt FROM hostaccess | |
124 | WHERE acl_id = :id AND acl_type = 'USER'; | |
125 | if (cnt > 0) | |
126 | return MR_IN_USE; | |
127 | if (dbms_errno) | |
128 | return mr_errcode; | |
129 | return MR_SUCCESS; | |
130 | } | |
131 | ||
132 | ||
133 | /* setup_spop: verify that there is already a valid POP machine_id in the | |
134 | * pop_id field. Also take care of keeping track of the post office usage. | |
135 | */ | |
136 | int setup_spop(struct query *q, char *argv[], client *cl) | |
137 | { | |
138 | EXEC SQL BEGIN DECLARE SECTION; | |
139 | int id, mid; | |
140 | char type[USERS_POTYPE_SIZE]; | |
141 | EXEC SQL END DECLARE SECTION; | |
142 | ||
143 | id = *(int *)argv[0]; | |
144 | EXEC SQL SELECT potype, pop_id INTO :type, :mid FROM users | |
145 | WHERE users_id = :id; | |
146 | if (sqlca.sqlerrd[2] == 0) | |
147 | return MR_MACHINE; | |
148 | EXEC SQL SELECT mach_id INTO :mid FROM machine | |
149 | WHERE mach_id = :mid; | |
150 | if (sqlca.sqlerrd[2] == 0) | |
151 | return MR_MACHINE; | |
152 | if (strcmp(strtrim(type), "POP")) | |
153 | set_pop_usage(mid, 1); | |
154 | return MR_SUCCESS; | |
155 | } | |
156 | ||
157 | ||
158 | /* setup_dpob: Take care of keeping track of the post office usage. | |
159 | */ | |
160 | int setup_dpob(struct query *q, char *argv[], client *cl) | |
161 | { | |
162 | EXEC SQL BEGIN DECLARE SECTION; | |
163 | int id, user; | |
164 | char type[USERS_POTYPE_SIZE]; | |
165 | EXEC SQL END DECLARE SECTION; | |
166 | ||
167 | user = *(int *)argv[0]; | |
168 | EXEC SQL SELECT potype, pop_id INTO :type, :id FROM users | |
169 | WHERE users_id = :user; | |
170 | if (dbms_errno) | |
171 | return mr_errcode; | |
172 | ||
173 | if (!strcmp(strtrim(type), "POP")) | |
174 | set_pop_usage(id, -1); | |
175 | return MR_SUCCESS; | |
176 | } | |
177 | ||
178 | ||
179 | /* setup_dmac - verify that the machine is no longer being referenced | |
180 | * and may safely be deleted. | |
181 | */ | |
182 | ||
183 | int setup_dmac(struct query *q, char *argv[], client *cl) | |
184 | { | |
185 | EXEC SQL BEGIN DECLARE SECTION; | |
186 | int flag, id, cnt; | |
187 | EXEC SQL END DECLARE SECTION; | |
188 | ||
189 | id = *(int *)argv[0]; | |
190 | ||
191 | EXEC SQL SELECT status INTO :flag FROM machine | |
192 | WHERE mach_id = :id; | |
193 | if (flag != 3) | |
194 | return MR_IN_USE; | |
195 | EXEC SQL SELECT COUNT(login) INTO :cnt FROM users | |
196 | WHERE potype = 'POP' AND pop_id = :id; | |
197 | if (cnt > 0) | |
198 | return MR_IN_USE; | |
199 | EXEC SQL SELECT COUNT(mach_id) INTO :cnt FROM serverhosts | |
200 | WHERE mach_id = :id; | |
201 | if (cnt > 0) | |
202 | return MR_IN_USE; | |
203 | EXEC SQL SELECT COUNT(mach_id) INTO :cnt FROM nfsphys | |
204 | WHERE mach_id = :id; | |
205 | if (cnt > 0) | |
206 | return MR_IN_USE; | |
207 | EXEC SQL SELECT COUNT(mach_id) INTO :cnt FROM hostaccess | |
208 | WHERE mach_id = :id; | |
209 | if (cnt > 0) | |
210 | return MR_IN_USE; | |
211 | EXEC SQL SELECT COUNT(mach_id) INTO :cnt FROM printcap | |
212 | WHERE mach_id = :id; | |
213 | if (cnt > 0) | |
214 | return MR_IN_USE; | |
215 | EXEC SQL SELECT COUNT(quotaserver) INTO :cnt FROM printcap | |
216 | WHERE quotaserver = :id; | |
217 | if (cnt > 0) | |
218 | return MR_IN_USE; | |
219 | EXEC SQL SELECT COUNT(mach_id) INTO :cnt FROM palladium | |
220 | WHERE mach_id = :id; | |
221 | if (cnt > 0) | |
222 | return MR_IN_USE; | |
223 | EXEC SQL SELECT COUNT(mach_id) INTO :cnt FROM hostalias | |
224 | WHERE mach_id = :id; | |
225 | if (cnt > 0) | |
226 | return MR_IN_USE; | |
227 | ||
228 | EXEC SQL DELETE FROM mcmap WHERE mach_id = :id; | |
229 | if (dbms_errno) | |
230 | return mr_errcode; | |
231 | return MR_SUCCESS; | |
232 | } | |
233 | ||
234 | ||
235 | /* setup_dsnt - verify that the subnet is no longer being referenced | |
236 | * and may safely be deleted. | |
237 | */ | |
238 | ||
239 | int setup_dsnt(struct query *q, char *argv[], client *cl) | |
240 | { | |
241 | EXEC SQL BEGIN DECLARE SECTION; | |
242 | int id, cnt = 0; | |
243 | EXEC SQL END DECLARE SECTION; | |
244 | ||
245 | id = *(int *)argv[0]; | |
246 | EXEC SQL SELECT COUNT(mach_id) INTO :cnt FROM machine | |
247 | WHERE snet_id = :id; | |
248 | if (cnt > 0) | |
249 | return MR_IN_USE; | |
250 | return MR_SUCCESS; | |
251 | } | |
252 | ||
253 | ||
254 | /* setup_dclu - verify that the cluster is no longer being referenced | |
255 | * and may safely be deleted. | |
256 | */ | |
257 | ||
258 | int setup_dclu(struct query *q, char *argv[], client *cl) | |
259 | { | |
260 | EXEC SQL BEGIN DECLARE SECTION; | |
261 | int id, cnt; | |
262 | EXEC SQL END DECLARE SECTION; | |
263 | ||
264 | id = *(int *)argv[0]; | |
265 | EXEC SQL SELECT COUNT(mach_id) INTO :cnt FROM mcmap | |
266 | WHERE clu_id = :id; | |
267 | if (cnt > 0) | |
268 | return MR_IN_USE; | |
269 | EXEC SQL SELECT COUNT(clu_id) INTO :cnt FROM svc | |
270 | WHERE clu_id = :id; | |
271 | if (cnt > 0) | |
272 | return MR_IN_USE; | |
273 | if (dbms_errno) | |
274 | return mr_errcode; | |
275 | return MR_SUCCESS; | |
276 | } | |
277 | ||
278 | ||
279 | /* setup_alis - if argv[5] is non-zero and argv[6] is UNIQUE_ID, then allocate | |
280 | * a new gid and put it in argv[6]. Otherwise if argv[6] is UNIQUE_ID but | |
281 | * argv[5] is not, then remember that UNIQUE_ID is being stored by putting | |
282 | * a -1 there. Remember that this is also used for ulis, with the indexes | |
283 | * at 6 & 7. Also check that the list name does not contain uppercase | |
284 | * characters, control characters, @, or :. | |
285 | */ | |
286 | ||
287 | static int badlistchars[] = { | |
288 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* ^@ - ^O */ | |
289 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* ^P - ^_ */ | |
290 | 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, /* SPACE - / */ | |
291 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, /* 0 - ? */ | |
292 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* @ - O */ | |
293 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, /* P - _ */ | |
294 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* ` - o */ | |
295 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, /* p - ^? */ | |
296 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
297 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
298 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
299 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
300 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
301 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
302 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
303 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
304 | }; | |
305 | ||
306 | int setup_alis(struct query *q, char *argv[], client *cl) | |
307 | { | |
308 | EXEC SQL BEGIN DECLARE SECTION; | |
309 | int ngid; | |
310 | EXEC SQL END DECLARE SECTION; | |
311 | unsigned char *p; | |
312 | int idx, err; | |
313 | ||
314 | if (!strcmp(q->shortname, "alis")) | |
315 | idx = 0; | |
316 | else if (!strcmp(q->shortname, "ulis")) | |
317 | idx = 1; | |
318 | ||
319 | if (idx == 1) | |
320 | { | |
321 | EXEC SQL BEGIN DECLARE SECTION; | |
322 | int lid = *(int *)argv[0]; | |
323 | EXEC SQL END DECLARE SECTION; | |
324 | ||
325 | if (acl_access_check(lid, cl)) | |
326 | return MR_PERM; | |
327 | } | |
328 | ||
329 | for (p = (unsigned char *) argv[idx]; *p; p++) | |
330 | { | |
331 | if (badlistchars[*p]) | |
332 | return MR_BAD_CHAR; | |
333 | } | |
334 | ||
335 | if (!strcmp(argv[6 + idx], UNIQUE_GID) || atoi(argv[6 + idx]) == -1) | |
336 | { | |
337 | if (atoi(argv[5 + idx])) | |
338 | { | |
339 | if ((err = set_next_object_id("gid", LIST_TABLE, 1))) | |
340 | return err; | |
341 | EXEC SQL SELECT value INTO :ngid FROM numvalues | |
342 | WHERE name = 'gid'; | |
343 | if (dbms_errno) | |
344 | return mr_errcode; | |
345 | sprintf(argv[6 + idx], "%d", ngid); | |
346 | } | |
347 | else | |
348 | strcpy(argv[6 + idx], "-1"); | |
349 | } | |
350 | ||
351 | if ((mr_errcode = prefetch_value(q, argv, cl)) != MR_SUCCESS) | |
352 | return mr_errcode; | |
353 | ||
354 | return MR_SUCCESS; | |
355 | } | |
356 | ||
357 | ||
358 | /* setup_dlis - verify that the list is no longer being referenced | |
359 | * and may safely be deleted. | |
360 | */ | |
361 | ||
362 | int setup_dlis(struct query *q, char *argv[], client *cl) | |
363 | { | |
364 | int id; | |
365 | EXEC SQL BEGIN DECLARE SECTION; | |
366 | int cnt; | |
367 | EXEC SQL END DECLARE SECTION; | |
368 | ||
369 | id = *(int *)argv[0]; | |
370 | ||
371 | EXEC SQL SELECT COUNT(member_id) INTO :cnt FROM imembers | |
372 | WHERE member_id = :id AND member_type = 'LIST'; | |
373 | if (cnt > 0) | |
374 | return MR_IN_USE; | |
375 | ||
376 | EXEC SQL SELECT COUNT(member_id) INTO :cnt FROM imembers | |
377 | WHERE member_id = :id AND member_type = 'LIST'; | |
378 | if (cnt > 0) | |
379 | return MR_IN_USE; | |
380 | ||
381 | EXEC SQL SELECT COUNT(member_id) INTO :cnt FROM imembers | |
382 | WHERE list_id = :id; | |
383 | if (cnt > 0) | |
384 | return MR_IN_USE; | |
385 | ||
386 | EXEC SQL SELECT COUNT(label) INTO :cnt FROM filesys WHERE owners = :id; | |
387 | if (cnt > 0) | |
388 | return MR_IN_USE; | |
389 | ||
390 | EXEC SQL SELECT COUNT(tag) INTO :cnt FROM capacls WHERE list_id = :id; | |
391 | if (cnt > 0) | |
392 | return MR_IN_USE; | |
393 | ||
394 | EXEC SQL SELECT COUNT(name) INTO :cnt FROM list | |
395 | WHERE acl_id = :id AND acl_type = 'LIST' AND list_id != :id; | |
396 | if (cnt > 0) | |
397 | return MR_IN_USE; | |
398 | ||
399 | EXEC SQL SELECT COUNT(name) INTO :cnt FROM servers | |
400 | WHERE acl_id = :id AND acl_type = 'LIST'; | |
401 | if (cnt > 0) | |
402 | return MR_IN_USE; | |
403 | ||
404 | EXEC SQL SELECT COUNT(entity_id) INTO :cnt FROM quota | |
405 | WHERE entity_id = :id AND type = 'GROUP'; | |
406 | if (cnt > 0) | |
407 | return MR_IN_USE; | |
408 | ||
409 | EXEC SQL SELECT COUNT(acl_id) INTO :cnt FROM hostaccess | |
410 | WHERE acl_id = :id AND acl_type = 'LIST'; | |
411 | if (cnt > 0) | |
412 | return MR_IN_USE; | |
413 | ||
414 | EXEC SQL SELECT COUNT(class) INTO :cnt FROM zephyr z | |
415 | WHERE z.xmt_type = 'LIST' AND z.xmt_id = :id | |
416 | OR z.sub_type = 'LIST' AND z.sub_id = :id | |
417 | OR z.iws_type = 'LIST' AND z.iws_id = :id | |
418 | OR z.iui_type = 'LIST' AND z.iui_id = :id; | |
419 | if (cnt > 0) | |
420 | return MR_IN_USE; | |
421 | ||
422 | return MR_SUCCESS; | |
423 | } | |
424 | ||
425 | ||
426 | /* setup_dsin - verify that the service is no longer being referenced | |
427 | * and may safely be deleted. | |
428 | */ | |
429 | ||
430 | int setup_dsin(struct query *q, char *argv[], client *cl) | |
431 | { | |
432 | EXEC SQL BEGIN DECLARE SECTION; | |
433 | int ec, cnt; | |
434 | char *svrname; | |
435 | EXEC SQL END DECLARE SECTION; | |
436 | ||
437 | svrname = argv[0]; | |
438 | EXEC SQL SELECT COUNT(service) INTO :cnt FROM serverhosts | |
439 | WHERE service = UPPER(:svrname); | |
440 | if (cnt > 0) | |
441 | return MR_IN_USE; | |
442 | ||
443 | EXEC SQL SELECT inprogress INTO :ec FROM servers | |
444 | WHERE name = UPPER(:svrname); | |
445 | if (dbms_errno) | |
446 | return mr_errcode; | |
447 | if (ec) | |
448 | return MR_IN_USE; | |
449 | ||
450 | return MR_SUCCESS; | |
451 | } | |
452 | ||
453 | ||
454 | /* setup_dshi - verify that the service-host is no longer being referenced | |
455 | * and may safely be deleted. | |
456 | */ | |
457 | ||
458 | int setup_dshi(struct query *q, char *argv[], client *cl) | |
459 | { | |
460 | EXEC SQL BEGIN DECLARE SECTION; | |
461 | int id, ec; | |
462 | char *svrname; | |
463 | EXEC SQL END DECLARE SECTION; | |
464 | ||
465 | svrname = argv[0]; | |
466 | id = *(int *)argv[1]; | |
467 | ||
468 | EXEC SQL SELECT inprogress INTO :ec FROM serverhosts | |
469 | WHERE service = UPPER(:svrname) AND mach_id = :id; | |
470 | if (dbms_errno) | |
471 | return mr_errcode; | |
472 | if (ec) | |
473 | return MR_IN_USE; | |
474 | ||
475 | return MR_SUCCESS; | |
476 | } | |
477 | ||
478 | ||
479 | /** | |
480 | ** setup_add_filesys - verify existance of referenced file systems | |
481 | ** | |
482 | ** Inputs: Add | |
483 | ** argv[1] - type | |
484 | ** argv[2] - mach_id | |
485 | ** argv[3] - name | |
486 | ** argv[5] - rwaccess | |
487 | ** | |
488 | ** Description: | |
489 | ** - for type = RVD: | |
490 | ** * allow anything | |
491 | ** - for type = NFS: | |
492 | ** * extract directory prefix from name | |
493 | ** * verify mach_id/dir in nfsphys | |
494 | ** * verify rwaccess in {r, w, R, W} | |
495 | ** | |
496 | ** Side effect: sets variable _var_phys_id to the ID of the physical | |
497 | ** filesystem (nfsphys_id for NFS, 0 for RVD) | |
498 | ** | |
499 | ** Errors: | |
500 | ** MR_NFS - specified directory not exported | |
501 | ** MR_FILESYS_ACCESS - invalid filesys access | |
502 | ** | |
503 | **/ | |
504 | ||
505 | EXEC SQL BEGIN DECLARE SECTION; | |
506 | int _var_phys_id; | |
507 | EXEC SQL END DECLARE SECTION; | |
508 | ||
509 | int setup_afil(struct query *q, char *argv[], client *cl) | |
510 | { | |
511 | char *type, *name; | |
512 | int mach_id; | |
513 | EXEC SQL BEGIN DECLARE SECTION; | |
514 | int ok; | |
515 | char ftype[FILESYS_TYPE_SIZE + 10], *rwaccess; | |
516 | EXEC SQL END DECLARE SECTION; | |
517 | ||
518 | type = argv[1]; | |
519 | mach_id = *(int *)argv[2]; | |
520 | name = argv[3]; | |
521 | rwaccess = argv[5]; | |
522 | _var_phys_id = 0; | |
523 | ||
524 | sprintf(ftype, "fs_access_%s", type); | |
525 | EXEC SQL SELECT COUNT(trans) INTO :ok FROM alias | |
526 | WHERE name = :ftype AND type = 'TYPE' and trans = :rwaccess; | |
527 | if (dbms_errno) | |
528 | return mr_errcode; | |
529 | if (ok == 0) | |
530 | return MR_FILESYS_ACCESS; | |
531 | ||
532 | if ((mr_errcode = prefetch_value(q, argv, cl)) != MR_SUCCESS) | |
533 | return mr_errcode; | |
534 | ||
535 | if (!strcmp(type, "NFS")) | |
536 | return check_nfs(mach_id, name, rwaccess); | |
537 | ||
538 | return MR_SUCCESS; | |
539 | } | |
540 | ||
541 | ||
542 | /* Verify the arguments, depending on the FStype. Also, if this is an | |
543 | * NFS filesystem, then update any quotas for that filesystem to reflect | |
544 | * the new phys_id. | |
545 | */ | |
546 | ||
547 | int setup_ufil(struct query *q, char *argv[], client *cl) | |
548 | { | |
549 | int mach_id, status; | |
550 | char *type, *name; | |
551 | EXEC SQL BEGIN DECLARE SECTION; | |
552 | int fid, total, who, ok; | |
553 | char *entity, ftype[FILESYS_TYPE_SIZE + 10], *access; | |
554 | short int total_null; | |
555 | EXEC SQL END DECLARE SECTION; | |
556 | ||
557 | _var_phys_id = 0; | |
558 | type = argv[2]; | |
559 | mach_id = *(int *)argv[3]; | |
560 | name = argv[4]; | |
561 | access = argv[6]; | |
562 | fid = *(int *)argv[0]; | |
563 | who = cl->client_id; | |
564 | entity = cl->entity; | |
565 | ||
566 | sprintf(ftype, "fs_access_%s", type); | |
567 | EXEC SQL SELECT COUNT(trans) INTO :ok FROM alias | |
568 | WHERE name = :ftype AND type = 'TYPE' AND trans = :access; | |
569 | if (dbms_errno) | |
570 | return mr_errcode; | |
571 | if (ok == 0) | |
572 | return MR_FILESYS_ACCESS; | |
573 | ||
574 | EXEC SQL SELECT type INTO :ftype FROM filesys | |
575 | WHERE filsys_id = :fid; | |
576 | if (dbms_errno) | |
577 | return mr_errcode; | |
578 | ||
579 | if (!strcmp(type, "NFS")) | |
580 | { | |
581 | status = check_nfs(mach_id, name, access); | |
582 | EXEC SQL UPDATE quota SET phys_id = :_var_phys_id | |
583 | WHERE filsys_id = :fid; | |
584 | if (dbms_errno) | |
585 | return mr_errcode; | |
586 | return status; | |
587 | } | |
588 | else if (!strcmp(type, "AFS") && strcmp(strtrim(ftype), "AFS") | |
589 | && strcmp(strtrim(ftype), "ERR")) | |
590 | { | |
591 | total = 0; | |
592 | EXEC SQL DELETE FROM quota | |
593 | WHERE type = 'ANY' AND filsys_id = :fid; | |
594 | EXEC SQL SELECT SUM (quota) INTO :total:total_null FROM quota | |
595 | WHERE filsys_id = :fid AND phys_id != 0; | |
596 | if (dbms_errno) | |
597 | return mr_errcode; | |
598 | if (!total_null && (total != 0)) | |
599 | { | |
600 | EXEC SQL INSERT INTO quota (quota, filsys_id, phys_id, entity_id, | |
601 | type, modtime, modby, modwith) | |
602 | VALUES (:total, :fid, 0, 0, 'ANY', SYSDATE, :who, :entity); | |
603 | if (dbms_errno) | |
604 | return mr_errcode; | |
605 | } | |
606 | } | |
607 | else | |
608 | { | |
609 | EXEC SQL UPDATE quota SET phys_id = 0 WHERE filsys_id = :fid; | |
610 | if (dbms_errno) | |
611 | return mr_errcode; | |
612 | } | |
613 | return MR_SUCCESS; | |
614 | } | |
615 | ||
616 | ||
617 | /* Find the NFS physical partition that the named directory is on. | |
618 | * This is done by comparing the dir against the mount point of the | |
619 | * partition. To make sure we get the correct match when there is | |
620 | * more than one, we sort the query in reverse order by dir name. | |
621 | */ | |
622 | ||
623 | int check_nfs(int mach_id, char *name, char *access) | |
624 | { | |
625 | EXEC SQL BEGIN DECLARE SECTION; | |
626 | char dir[NFSPHYS_DIR_SIZE]; | |
627 | int mid = mach_id; | |
628 | EXEC SQL END DECLARE SECTION; | |
629 | int status; | |
630 | char *cp1; | |
631 | char *cp2; | |
632 | ||
633 | status = MR_NFS; | |
634 | EXEC SQL DECLARE csr101 CURSOR FOR | |
635 | SELECT nfsphys_id, dir FROM nfsphys | |
636 | WHERE mach_id = :mid | |
637 | ORDER BY 2 DESC; | |
638 | if (dbms_errno) | |
639 | return mr_errcode; | |
640 | EXEC SQL OPEN csr101; | |
641 | if (dbms_errno) | |
642 | return mr_errcode; | |
643 | while (1) | |
644 | { | |
645 | EXEC SQL FETCH csr101 INTO :_var_phys_id, :dir; | |
646 | if (sqlca.sqlcode) | |
647 | break; | |
648 | cp1 = name; | |
649 | cp2 = strtrim(dir); | |
650 | while (*cp2) | |
651 | { | |
652 | if (*cp1++ != *cp2) | |
653 | break; | |
654 | cp2++; | |
655 | } | |
656 | if (!*cp2) | |
657 | { | |
658 | status = MR_SUCCESS; | |
659 | break; | |
660 | } | |
661 | } | |
662 | EXEC SQL CLOSE csr101; | |
663 | if (dbms_errno) | |
664 | return mr_errcode; | |
665 | return status; | |
666 | } | |
667 | ||
668 | ||
669 | /* setup_dfil: free any quota records and fsgroup info associated with | |
670 | * a filesystem when it is deleted. Also adjust the allocation numbers. | |
671 | */ | |
672 | ||
673 | int setup_dfil(struct query *q, char **argv, client *cl) | |
674 | { | |
675 | EXEC SQL BEGIN DECLARE SECTION; | |
676 | int id, total, phys_id; | |
677 | short int none; | |
678 | EXEC SQL END DECLARE SECTION; | |
679 | ||
680 | id = *(int *)argv[0]; | |
681 | EXEC SQL SELECT SUM (quota) INTO :total:none FROM quota | |
682 | WHERE filsys_id = :id; | |
683 | ||
684 | if (none) | |
685 | total = 0; | |
686 | ||
687 | /** What if there are multiple phys_id's per f/s? (bad data) **/ | |
688 | EXEC SQL SELECT phys_id INTO :phys_id FROM filesys | |
689 | WHERE filsys_id = :id; | |
690 | EXEC SQL UPDATE nfsphys SET allocated = allocated - :total | |
691 | WHERE nfsphys_id = :phys_id; | |
692 | ||
693 | if (!none) | |
694 | EXEC SQL DELETE FROM quota WHERE filsys_id = :id; | |
695 | EXEC SQL DELETE FROM fsgroup WHERE filsys_id = :id; | |
696 | EXEC SQL DELETE FROM fsgroup WHERE group_id = :id; | |
697 | if (dbms_errno) | |
698 | return mr_errcode; | |
699 | return MR_SUCCESS; | |
700 | } | |
701 | ||
702 | ||
703 | /* setup_dnfp: check to see that the nfs physical partition does not have | |
704 | * any filesystems assigned to it before allowing it to be deleted. | |
705 | */ | |
706 | ||
707 | int setup_dnfp(struct query *q, char **argv, client *cl) | |
708 | { | |
709 | EXEC SQL BEGIN DECLARE SECTION; | |
710 | int id, cnt; | |
711 | char *dir; | |
712 | EXEC SQL END DECLARE SECTION; | |
713 | ||
714 | id = *(int *)argv[0]; | |
715 | dir = argv[1]; | |
716 | EXEC SQL SELECT count(fs.rowid) INTO :cnt FROM filesys fs, nfsphys np | |
717 | WHERE fs.mach_id = :id AND fs.phys_id = np.nfsphys_id | |
718 | AND np.mach_id = :id AND np.dir = :dir; | |
719 | if (cnt > 0) | |
720 | return MR_IN_USE; | |
721 | if (dbms_errno) | |
722 | return mr_errcode; | |
723 | return MR_SUCCESS; | |
724 | } | |
725 | ||
726 | ||
727 | /* setup_dqot: Remove allocation from nfsphys before deleting quota. | |
728 | * argv[0] = filsys_id | |
729 | * argv[1] = type if "update_quota" or "delete_quota" | |
730 | * argv[2 or 1] = users_id or list_id | |
731 | */ | |
732 | ||
733 | int setup_dqot(struct query *q, char **argv, client *cl) | |
734 | { | |
735 | EXEC SQL BEGIN DECLARE SECTION; | |
736 | int quota, fs, id, physid; | |
737 | char *qtype; | |
738 | EXEC SQL END DECLARE SECTION; | |
739 | ||
740 | fs = *(int *)argv[0]; | |
741 | if (!strcmp(q->name, "update_quota") || !strcmp(q->name, "delete_quota")) | |
742 | { | |
743 | qtype = argv[1]; | |
744 | id = *(int *)argv[2]; | |
745 | } | |
746 | else | |
747 | { | |
748 | qtype = "USER"; | |
749 | id = *(int *)argv[1]; | |
750 | } | |
751 | ||
752 | EXEC SQL SELECT quota INTO :quota FROM quota | |
753 | WHERE type = :qtype AND entity_id = :id AND filsys_id = :fs; | |
754 | EXEC SQL SELECT phys_id INTO :physid FROM filesys | |
755 | WHERE filsys_id = :fs; | |
756 | EXEC SQL UPDATE nfsphys SET allocated = allocated - :quota | |
757 | WHERE nfsphys_id = :physid; | |
758 | ||
759 | if (dbms_errno) | |
760 | return mr_errcode; | |
761 | return MR_SUCCESS; | |
762 | } | |
763 | ||
764 | ||
765 | /* prefetch_value(): | |
766 | * This routine fetches an appropriate value from the numvalues table. | |
767 | * It is a little hack to get around the fact that SQL doesn't let you | |
768 | * do something like INSERT INTO table (foo) VALUES (other_table.bar). | |
769 | * | |
770 | * It is called from the query table as (*v->pre_rtn)(q, Argv, cl) or | |
771 | * from within a setup_...() routine with the appropriate arguments. | |
772 | * | |
773 | * Correct functioning of this routine may depend on the assumption | |
774 | * that this query is an APPEND. | |
775 | */ | |
776 | ||
777 | int prefetch_value(struct query *q, char **argv, client *cl) | |
778 | { | |
779 | EXEC SQL BEGIN DECLARE SECTION; | |
780 | char *name = q->validate->object_id; | |
781 | int value; | |
782 | EXEC SQL END DECLARE SECTION; | |
783 | int status, limit, argc; | |
784 | ||
785 | /* set next object id, limiting it if necessary */ | |
786 | if (!strcmp(name, "unix_uid") || !strcmp(name, "gid")) | |
787 | limit = 1; /* So far as I know, this isn't needed. Just CMA. */ | |
788 | else | |
789 | limit = 0; | |
790 | if ((status = set_next_object_id(name, q->rtable, limit)) != MR_SUCCESS) | |
791 | return status; | |
792 | ||
793 | /* fetch object id */ | |
794 | EXEC SQL SELECT value INTO :value FROM numvalues WHERE name = :name; | |
795 | if (dbms_errno) | |
796 | return mr_errcode; | |
797 | if (sqlca.sqlerrd[2] != 1) | |
798 | return MR_INTERNAL; | |
799 | ||
800 | argc = q->argc + q->vcnt; /* end of Argv for APPENDs */ | |
801 | sprintf(argv[argc], "%d", value); | |
802 | ||
803 | return MR_SUCCESS; | |
804 | } | |
805 | ||
806 | /* prefetch_filesys(): | |
807 | * Fetches the phys_id from filesys based on the filsys_id in argv[0]. | |
808 | * Appends the filsys_id and the phys_id to the argv so they can be | |
809 | * referenced in an INSERT into a table other than filesys. Also | |
810 | * see comments at prefetch_value(). | |
811 | * | |
812 | * Assumes the existence of a row where filsys_id = argv[0], since a | |
813 | * filesys label has already been resolved to a filsys_id. | |
814 | */ | |
815 | int prefetch_filesys(struct query *q, char **argv, client *cl) | |
816 | { | |
817 | EXEC SQL BEGIN DECLARE SECTION; | |
818 | int fid, phid; | |
819 | EXEC SQL END DECLARE SECTION; | |
820 | int argc; | |
821 | ||
822 | fid = *(int *)argv[0]; | |
823 | EXEC SQL SELECT phys_id INTO :phid FROM filesys WHERE filsys_id = :fid; | |
824 | if (dbms_errno) | |
825 | return mr_errcode; | |
826 | ||
827 | argc = q->argc + q->vcnt; | |
828 | sprintf(argv[argc++], "%d", phid); | |
829 | sprintf(argv[argc], "%d", fid); | |
830 | ||
831 | return MR_SUCCESS; | |
832 | } | |
833 | ||
834 | ||
835 | /* setup_ahst(): | |
836 | */ | |
837 | ||
838 | int setup_ahst(struct query *q, char **argv, client *cl) | |
839 | { | |
840 | EXEC SQL BEGIN DECLARE SECTION; | |
841 | char *name, oldname[MACHINE_NAME_SIZE], vendor[MACHINE_VENDOR_SIZE]; | |
842 | char model[MACHINE_MODEL_SIZE], os[MACHINE_OS_SIZE]; | |
843 | int value, id, ssaddr, smask, shigh, slow, cnt; | |
844 | unsigned int saddr, mask, high, low; | |
845 | EXEC SQL END DECLARE SECTION; | |
846 | int row; | |
847 | struct in_addr addr; | |
848 | ||
849 | id = *(int *)argv[0]; | |
850 | ||
851 | if (!strcmp(q->shortname, "uhst")) | |
852 | { | |
853 | row = 1; | |
854 | EXEC SQL SELECT name, vendor, model, os | |
855 | INTO :oldname, :vendor, :model, :os | |
856 | FROM machine WHERE mach_id = :id; | |
857 | } | |
858 | else | |
859 | row = 0; | |
860 | ||
861 | /* Sanity check name, vendor, model, and os. */ | |
862 | if ((row == 0 || strcasecmp(argv[1], oldname)) && | |
863 | !hostname_check(argv[row])) | |
864 | return MR_BAD_CHAR; | |
865 | if ((row == 0 || strcasecmp(argv[2], vendor)) && | |
866 | !hostinfo_check(argv[row + 1])) | |
867 | return MR_BAD_CHAR; | |
868 | if ((row == 0 || strcasecmp(argv[3], model)) && | |
869 | !hostinfo_check(argv[row + 2])) | |
870 | return MR_BAD_CHAR; | |
871 | if ((row == 0 || strcasecmp(argv[4], os)) && | |
872 | !hostinfo_check(argv[row + 3])) | |
873 | return MR_BAD_CHAR; | |
874 | ||
875 | /* check for duplicate name */ | |
876 | name = argv[row]; | |
877 | EXEC SQL SELECT count(mach_id) INTO :cnt FROM hostalias | |
878 | WHERE name = UPPER(:name); | |
879 | if (dbms_errno) | |
880 | return mr_errcode; | |
881 | if (cnt != 0) | |
882 | return MR_EXISTS; | |
883 | ||
884 | /* check address */ | |
885 | if (!strcmp(argv[9 + row], "unassigned")) | |
886 | value = -1; | |
887 | else if (!strcmp(argv[9 + row], "unique")) | |
888 | { | |
889 | if (*(int *)argv[8 + row] == 0) | |
890 | value = -1; | |
891 | else | |
892 | value = -2; | |
893 | } | |
894 | else | |
895 | { | |
896 | value = ntohl(inet_addr(argv[9 + row])); | |
897 | if (value == -1) | |
898 | return MR_ADDRESS; | |
899 | } | |
900 | if (value == 0) | |
901 | return MR_ADDRESS; | |
902 | if (value != -1) | |
903 | { | |
904 | /* | |
905 | * an address or unique was specified. | |
906 | */ | |
907 | id = *(int *)argv[8 + row]; | |
908 | EXEC SQL SELECT saddr, mask, high, low INTO :ssaddr, :smask, | |
909 | :shigh, :slow FROM subnet WHERE snet_id = :id; | |
910 | if (dbms_errno) | |
911 | return mr_errcode; | |
912 | saddr = (unsigned) ssaddr; | |
913 | mask = (unsigned) smask; | |
914 | high = (unsigned) shigh; | |
915 | low = (unsigned) slow; | |
916 | if (value != -2) | |
917 | { | |
918 | /* | |
919 | * someone specified an IP address for the host record | |
920 | */ | |
921 | if ((value & mask) != saddr || value < low || value > high) | |
922 | return MR_ADDRESS; | |
923 | /* | |
924 | * run the address argument through inet_addr(). This | |
925 | * has the effect that any out of bounds host addrs will | |
926 | * be converted to a valid host addr. We do this now | |
927 | * so that the uniqueness check works. We should also | |
928 | * link in an inet_addr() that returns an error for | |
929 | * this case. | |
930 | */ | |
931 | addr.s_addr = inet_addr(argv[9 + row]); | |
932 | name = inet_ntoa(addr); | |
933 | EXEC SQL SELECT count(mach_id) INTO :cnt FROM machine | |
934 | WHERE address = :name; | |
935 | if (dbms_errno) | |
936 | return mr_errcode; | |
937 | if (cnt > 0) | |
938 | { | |
939 | /* | |
940 | * make IP address is unique. If this a modify request | |
941 | * (row == 1), then we expect one record to exist. | |
942 | */ | |
943 | if (row == 0 || (row == 1 && cnt > 1)) | |
944 | return MR_ADDRESS; | |
945 | if (row == 1 && cnt == 1) | |
946 | { | |
947 | EXEC SQL SELECT mach_id INTO :id FROM machine | |
948 | WHERE address = :name; | |
949 | if (id != *(int *)argv[0]) | |
950 | return MR_ADDRESS; | |
951 | } | |
952 | } | |
953 | } | |
954 | else | |
955 | { | |
956 | /* | |
957 | * a "unique" address was specified. Walk through the | |
958 | * range specified in the network record, return | |
959 | * error if no room left. | |
960 | */ | |
961 | for (id = low; id <= high; id++) | |
962 | { | |
963 | if (((id & 0xff) == 0) || ((id & 0xff) == 255)) | |
964 | continue; | |
965 | addr.s_addr = htonl(id); | |
966 | name = inet_ntoa(addr); | |
967 | EXEC SQL SELECT count(mach_id) INTO :cnt FROM machine | |
968 | WHERE address = :name; | |
969 | if (dbms_errno) | |
970 | return mr_errcode; | |
971 | if (cnt == 0) | |
972 | break; | |
973 | } | |
974 | if (cnt != 0) | |
975 | return MR_NO_ID; | |
976 | else | |
977 | value = htonl(id); | |
978 | } | |
979 | /* | |
980 | * we have an address in value. Convert it to a string and store it. | |
981 | */ | |
982 | addr.s_addr = htonl(value); | |
983 | strcpy(argv[9 + row], inet_ntoa(addr)); | |
984 | } | |
985 | else | |
986 | strcpy(argv[9 + row], "unassigned"); | |
987 | ||
988 | /* status checking */ | |
989 | value = atoi(argv[7 + row]); | |
990 | if (row == 0 && !(value == 1 || value == 0)) | |
991 | return MR_TYPE; | |
992 | if (row == 1) | |
993 | { | |
994 | id = *(int *)argv[0]; | |
995 | EXEC SQL SELECT status INTO :cnt FROM machine WHERE mach_id = :id; | |
996 | if (dbms_errno) | |
997 | return mr_errcode; | |
998 | if (value != cnt) | |
999 | { | |
1000 | EXEC SQL UPDATE machine SET statuschange = SYSDATE | |
1001 | WHERE mach_id = :id; | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | /* | |
1006 | * If this is an update_host query, we're done. | |
1007 | */ | |
1008 | if (row == 1) | |
1009 | return MR_SUCCESS; | |
1010 | ||
1011 | /* | |
1012 | * For an add_host query, allocate and fill in a new machine id, | |
1013 | * and then insert the creator id. | |
1014 | */ | |
1015 | if ((mr_errcode = prefetch_value(q, argv, cl)) != MR_SUCCESS) | |
1016 | return mr_errcode; | |
1017 | ||
1018 | sprintf(argv[q->argc + q->vcnt + 1], "%d", cl->client_id); | |
1019 | return MR_SUCCESS; | |
1020 | } | |
1021 | ||
1022 | ||
1023 | /* setup_ahal(): | |
1024 | */ | |
1025 | ||
1026 | int setup_ahal(struct query *q, char **argv, client *cl) | |
1027 | { | |
1028 | EXEC SQL BEGIN DECLARE SECTION; | |
1029 | char *name; | |
1030 | int cnt; | |
1031 | EXEC SQL END DECLARE SECTION; | |
1032 | char *p; | |
1033 | ||
1034 | name = argv[0]; | |
1035 | if (!hostname_check(argv[0])) | |
1036 | return MR_BAD_CHAR; | |
1037 | ||
1038 | EXEC SQL SELECT count(mach_id) INTO :cnt FROM machine WHERE | |
1039 | name = UPPER(:name); | |
1040 | if (dbms_errno) | |
1041 | return mr_errcode; | |
1042 | if (cnt > 0) | |
1043 | return MR_EXISTS; | |
1044 | ||
1045 | return MR_SUCCESS; | |
1046 | } | |
1047 | ||
1048 | /* hostname_check() | |
1049 | * validate the rfc1035/rfc1123-ness of a hostname | |
1050 | */ | |
1051 | ||
1052 | int hostname_check(char *name) | |
1053 | { | |
1054 | char *p; | |
1055 | int count; | |
1056 | ||
1057 | /* Sanity check name: must contain only letters, numerals, and | |
1058 | * hyphen, and not start or end with a hyphen. Also make sure no | |
1059 | * label (the thing the .s seperate) is longer than 63 characters. | |
1060 | */ | |
1061 | ||
1062 | for (p = name, count = 0; *p; p++) | |
1063 | { | |
1064 | count++; | |
1065 | if ((!isalnum(*p) && *p != '-' && *p != '.') || | |
1066 | (*p == '-' && p[1] == '.')) | |
1067 | return 0; | |
1068 | if (*p == '.') | |
1069 | count = 0; | |
1070 | if (count == 64) | |
1071 | return 0; | |
1072 | } | |
1073 | if (*(p - 1) == '-') | |
1074 | return 0; | |
1075 | return 1; | |
1076 | } | |
1077 | ||
1078 | int hostinfo_check(char *info) | |
1079 | { | |
1080 | char *p; | |
1081 | ||
1082 | if (!*info) | |
1083 | return 1; | |
1084 | ||
1085 | /* Sanity check host hostinfo: must start with a letter, contain | |
1086 | * only letters, numerals, and hyphen, and not end with a hyphen. | |
1087 | */ | |
1088 | ||
1089 | if (!isalpha(*info)) | |
1090 | return 0; | |
1091 | for (p = info; *p; p++) | |
1092 | { | |
1093 | if ((!isalnum(*p) && *p != '-' && *p != '.') || | |
1094 | (*p == '-' && p[1] == '.')) | |
1095 | return 0; | |
1096 | } | |
1097 | if (!isalnum(*(p - 1))) | |
1098 | return 1; | |
1099 | } |