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7ac48069 | 1 | /* $Id$ |
73cf66ba | 2 | * |
7ac48069 | 3 | * Query setup routines |
73cf66ba | 4 | * |
7ac48069 | 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>. | |
73cf66ba | 8 | */ |
9 | ||
73cf66ba | 10 | #include <mit-copyright.h> |
73cf66ba | 11 | #include "mr_server.h" |
03c05291 | 12 | #include "query.h" |
7ac48069 | 13 | #include "qrtn.h" |
14 | ||
03c05291 | 15 | #include <arpa/inet.h> |
7ac48069 | 16 | #include <netinet/in.h> |
17 | ||
18 | #include <ctype.h> | |
19 | #include <stdlib.h> | |
20 | #include <string.h> | |
21 | ||
73cf66ba | 22 | EXEC SQL INCLUDE sqlca; |
73cf66ba | 23 | |
7ac48069 | 24 | RCSID("$Header$"); |
25 | ||
26 | extern char *whoami; | |
03c05291 | 27 | extern int dbms_errno, mr_errcode; |
73cf66ba | 28 | |
29 | EXEC SQL BEGIN DECLARE SECTION; | |
30 | extern char stmt_buf[]; | |
31 | EXEC SQL END DECLARE SECTION; | |
32 | ||
03c05291 | 33 | EXEC SQL WHENEVER SQLERROR DO dbmserr(); |
34 | ||
17f585b5 | 35 | int hostname_check(char *name); |
36 | int hostinfo_check(char *name, int num); | |
03c05291 | 37 | int prefetch_value(struct query *q, char **argv, client *cl); |
38 | int check_nfs(int mach_idx, char *name, char *access); | |
73cf66ba | 39 | |
40 | /* Setup Routines */ | |
41 | ||
42 | /* Setup routine for add_user | |
43 | * | |
44 | * Inputs: argv[0] - login | |
45 | * argv[1] - uid | |
46 | * | |
47 | * Description: | |
48 | * | |
49 | * - if argv[1] == UNIQUE_UID then set argv[1] = next(uid) | |
50 | * - if argv[0] == UNIQUE_LOGIN then set argv[0] = "#<uid>" | |
51 | */ | |
52 | ||
5eaef520 | 53 | int setup_ausr(struct query *q, char *argv[], client *cl) |
73cf66ba | 54 | { |
5eaef520 | 55 | int row, err; |
56 | EXEC SQL BEGIN DECLARE SECTION; | |
57 | int nuid; | |
58 | EXEC SQL END DECLARE SECTION; | |
59 | ||
60 | if (!strcmp(q->shortname, "uusr") || !strcmp(q->shortname, "uuac")) | |
61 | row = 2; | |
62 | else | |
63 | row = 1; | |
cca8e7ef | 64 | |
65 | if (strlen(argv[row + 2]) + strlen(argv[row + 3]) + | |
66 | strlen(argv[row + 4]) + 2 > USERS_FULLNAME_SIZE) | |
67 | return MR_ARG_TOO_LONG; | |
68 | ||
5eaef520 | 69 | if (!strcmp(argv[row], UNIQUE_UID) || atoi(argv[row]) == -1) |
70 | { | |
71 | if ((err = set_next_object_id("unix_uid", USERS_TABLE, 1))) | |
72 | return err; | |
73 | EXEC SQL SELECT value INTO :nuid FROM numvalues WHERE name = 'unix_uid'; | |
74 | if (sqlca.sqlerrd[2] != 1) | |
75 | return MR_INTERNAL; | |
76 | sprintf(argv[row], "%d", nuid); | |
73cf66ba | 77 | } |
78 | ||
5eaef520 | 79 | if (!strcmp(argv[0], UNIQUE_LOGIN) || atoi(argv[row]) == -1) |
80 | sprintf(argv[0], "#%s", argv[row]); | |
73cf66ba | 81 | |
5eaef520 | 82 | if ((mr_errcode = prefetch_value(q, argv, cl)) != MR_SUCCESS) |
83 | return mr_errcode; | |
73cf66ba | 84 | |
5eaef520 | 85 | return MR_SUCCESS; |
73cf66ba | 86 | } |
87 | ||
88 | ||
89 | /* setup_dusr - verify that the user is no longer being referenced | |
90 | * and may safely be deleted. | |
91 | */ | |
92 | ||
7ac48069 | 93 | int setup_dusr(struct query *q, char *argv[], client *cl) |
73cf66ba | 94 | { |
5eaef520 | 95 | EXEC SQL BEGIN DECLARE SECTION; |
96 | int flag, id, cnt; | |
97 | EXEC SQL END DECLARE SECTION; | |
98 | ||
99 | id = *(int *)argv[0]; | |
100 | ||
101 | /* For now, only allow users to be deleted if their status is 0 */ | |
102 | EXEC SQL SELECT status INTO :flag FROM users WHERE users_id = :id; | |
103 | if (flag != 0 && flag != 4) | |
104 | return MR_IN_USE; | |
105 | ||
106 | EXEC SQL DELETE FROM quota WHERE entity_id = :id AND type = 'USER'; | |
107 | EXEC SQL DELETE FROM krbmap WHERE users_id = :id; | |
108 | EXEC SQL SELECT COUNT(member_id) INTO :cnt FROM imembers | |
109 | WHERE member_id = :id AND member_type = 'USER'; | |
110 | if (cnt > 0) | |
111 | return MR_IN_USE; | |
112 | EXEC SQL SELECT COUNT(label) INTO :cnt FROM filesys | |
113 | WHERE owner = :id; | |
114 | if (cnt > 0) | |
115 | return MR_IN_USE; | |
116 | EXEC SQL SELECT COUNT(name) INTO :cnt FROM list | |
117 | WHERE acl_id = :id AND acl_type = 'USER'; | |
118 | if (cnt > 0) | |
119 | return MR_IN_USE; | |
120 | EXEC SQL SELECT COUNT(name) INTO :cnt FROM servers | |
121 | WHERE acl_id = :id AND acl_type = 'USER'; | |
122 | if (cnt > 0) | |
123 | return MR_IN_USE; | |
124 | EXEC SQL SELECT COUNT(acl_id) INTO :cnt FROM hostaccess | |
125 | WHERE acl_id = :id AND acl_type = 'USER'; | |
126 | if (cnt > 0) | |
127 | return MR_IN_USE; | |
128 | if (dbms_errno) | |
129 | return mr_errcode; | |
130 | return MR_SUCCESS; | |
73cf66ba | 131 | } |
132 | ||
133 | ||
134 | /* setup_spop: verify that there is already a valid POP machine_id in the | |
135 | * pop_id field. Also take care of keeping track of the post office usage. | |
136 | */ | |
7ac48069 | 137 | int setup_spop(struct query *q, char *argv[], client *cl) |
73cf66ba | 138 | { |
5eaef520 | 139 | EXEC SQL BEGIN DECLARE SECTION; |
140 | int id, mid; | |
e688520a | 141 | char type[USERS_POTYPE_SIZE]; |
5eaef520 | 142 | EXEC SQL END DECLARE SECTION; |
143 | ||
144 | id = *(int *)argv[0]; | |
145 | EXEC SQL SELECT potype, pop_id INTO :type, :mid FROM users | |
146 | WHERE users_id = :id; | |
7ac48069 | 147 | if (sqlca.sqlerrd[2] == 0) |
5eaef520 | 148 | return MR_MACHINE; |
149 | EXEC SQL SELECT mach_id INTO :mid FROM machine | |
150 | WHERE mach_id = :mid; | |
7ac48069 | 151 | if (sqlca.sqlerrd[2] == 0) |
5eaef520 | 152 | return MR_MACHINE; |
153 | if (strcmp(strtrim(type), "POP")) | |
154 | set_pop_usage(mid, 1); | |
155 | return MR_SUCCESS; | |
73cf66ba | 156 | } |
157 | ||
158 | ||
159 | /* setup_dpob: Take care of keeping track of the post office usage. | |
160 | */ | |
7ac48069 | 161 | int setup_dpob(struct query *q, char *argv[], client *cl) |
73cf66ba | 162 | { |
5eaef520 | 163 | EXEC SQL BEGIN DECLARE SECTION; |
164 | int id, user; | |
e688520a | 165 | char type[USERS_POTYPE_SIZE]; |
5eaef520 | 166 | EXEC SQL END DECLARE SECTION; |
167 | ||
168 | user = *(int *)argv[0]; | |
169 | EXEC SQL SELECT potype, pop_id INTO :type, :id FROM users | |
170 | WHERE users_id = :user; | |
171 | if (dbms_errno) | |
172 | return mr_errcode; | |
173 | ||
174 | if (!strcmp(strtrim(type), "POP")) | |
175 | set_pop_usage(id, -1); | |
176 | return MR_SUCCESS; | |
73cf66ba | 177 | } |
178 | ||
179 | ||
180 | /* setup_dmac - verify that the machine is no longer being referenced | |
181 | * and may safely be deleted. | |
182 | */ | |
183 | ||
7ac48069 | 184 | int setup_dmac(struct query *q, char *argv[], client *cl) |
73cf66ba | 185 | { |
5eaef520 | 186 | EXEC SQL BEGIN DECLARE SECTION; |
187 | int flag, id, cnt; | |
188 | EXEC SQL END DECLARE SECTION; | |
189 | ||
190 | id = *(int *)argv[0]; | |
191 | ||
192 | EXEC SQL SELECT status INTO :flag FROM machine | |
193 | WHERE mach_id = :id; | |
194 | if (flag != 3) | |
195 | return MR_IN_USE; | |
196 | EXEC SQL SELECT COUNT(login) INTO :cnt FROM users | |
197 | WHERE potype = 'POP' AND pop_id = :id; | |
198 | if (cnt > 0) | |
199 | return MR_IN_USE; | |
200 | EXEC SQL SELECT COUNT(mach_id) INTO :cnt FROM serverhosts | |
201 | WHERE mach_id = :id; | |
202 | if (cnt > 0) | |
203 | return MR_IN_USE; | |
204 | EXEC SQL SELECT COUNT(mach_id) INTO :cnt FROM nfsphys | |
205 | WHERE mach_id = :id; | |
206 | if (cnt > 0) | |
207 | return MR_IN_USE; | |
208 | EXEC SQL SELECT COUNT(mach_id) INTO :cnt FROM hostaccess | |
209 | WHERE mach_id = :id; | |
210 | if (cnt > 0) | |
211 | return MR_IN_USE; | |
212 | EXEC SQL SELECT COUNT(mach_id) INTO :cnt FROM printcap | |
213 | WHERE mach_id = :id; | |
214 | if (cnt > 0) | |
215 | return MR_IN_USE; | |
216 | EXEC SQL SELECT COUNT(quotaserver) INTO :cnt FROM printcap | |
217 | WHERE quotaserver = :id; | |
218 | if (cnt > 0) | |
219 | return MR_IN_USE; | |
220 | EXEC SQL SELECT COUNT(mach_id) INTO :cnt FROM palladium | |
221 | WHERE mach_id = :id; | |
222 | if (cnt > 0) | |
223 | return MR_IN_USE; | |
224 | EXEC SQL SELECT COUNT(mach_id) INTO :cnt FROM hostalias | |
225 | WHERE mach_id = :id; | |
226 | if (cnt > 0) | |
227 | return MR_IN_USE; | |
228 | ||
229 | EXEC SQL DELETE FROM mcmap WHERE mach_id = :id; | |
230 | if (dbms_errno) | |
231 | return mr_errcode; | |
232 | return MR_SUCCESS; | |
73cf66ba | 233 | } |
234 | ||
235 | ||
236 | /* setup_dsnt - verify that the subnet is no longer being referenced | |
237 | * and may safely be deleted. | |
238 | */ | |
239 | ||
7ac48069 | 240 | int setup_dsnt(struct query *q, char *argv[], client *cl) |
73cf66ba | 241 | { |
5eaef520 | 242 | EXEC SQL BEGIN DECLARE SECTION; |
243 | int id, cnt = 0; | |
244 | EXEC SQL END DECLARE SECTION; | |
245 | ||
246 | id = *(int *)argv[0]; | |
247 | EXEC SQL SELECT COUNT(mach_id) INTO :cnt FROM machine | |
248 | WHERE snet_id = :id; | |
249 | if (cnt > 0) | |
250 | return MR_IN_USE; | |
251 | return MR_SUCCESS; | |
73cf66ba | 252 | } |
253 | ||
254 | ||
255 | /* setup_dclu - verify that the cluster is no longer being referenced | |
256 | * and may safely be deleted. | |
257 | */ | |
258 | ||
7ac48069 | 259 | int setup_dclu(struct query *q, char *argv[], client *cl) |
73cf66ba | 260 | { |
5eaef520 | 261 | EXEC SQL BEGIN DECLARE SECTION; |
262 | int id, cnt; | |
263 | EXEC SQL END DECLARE SECTION; | |
264 | ||
265 | id = *(int *)argv[0]; | |
266 | EXEC SQL SELECT COUNT(mach_id) INTO :cnt FROM mcmap | |
267 | WHERE clu_id = :id; | |
268 | if (cnt > 0) | |
269 | return MR_IN_USE; | |
270 | EXEC SQL SELECT COUNT(clu_id) INTO :cnt FROM svc | |
271 | WHERE clu_id = :id; | |
272 | if (cnt > 0) | |
273 | return MR_IN_USE; | |
274 | if (dbms_errno) | |
275 | return mr_errcode; | |
276 | return MR_SUCCESS; | |
73cf66ba | 277 | } |
278 | ||
279 | ||
280 | /* setup_alis - if argv[5] is non-zero and argv[6] is UNIQUE_ID, then allocate | |
281 | * a new gid and put it in argv[6]. Otherwise if argv[6] is UNIQUE_ID but | |
282 | * argv[5] is not, then remember that UNIQUE_ID is being stored by putting | |
283 | * a -1 there. Remember that this is also used for ulis, with the indexes | |
284 | * at 6 & 7. Also check that the list name does not contain uppercase | |
285 | * characters, control characters, @, or :. | |
286 | */ | |
287 | ||
288 | static int badlistchars[] = { | |
5eaef520 | 289 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* ^@ - ^O */ |
290 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* ^P - ^_ */ | |
291 | 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, /* SPACE - / */ | |
292 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, /* 0 - ? */ | |
293 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* @ - O */ | |
294 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, /* P - _ */ | |
295 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* ` - o */ | |
296 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, /* p - ^? */ | |
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 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
73cf66ba | 305 | }; |
306 | ||
5eaef520 | 307 | int setup_alis(struct query *q, char *argv[], client *cl) |
73cf66ba | 308 | { |
5eaef520 | 309 | EXEC SQL BEGIN DECLARE SECTION; |
17f585b5 | 310 | int ngid, cnt; |
311 | char *name; | |
5eaef520 | 312 | EXEC SQL END DECLARE SECTION; |
313 | unsigned char *p; | |
314 | int idx, err; | |
315 | ||
316 | if (!strcmp(q->shortname, "alis")) | |
317 | idx = 0; | |
318 | else if (!strcmp(q->shortname, "ulis")) | |
319 | idx = 1; | |
17f585b5 | 320 | name = argv[idx]; |
5eaef520 | 321 | |
5a22fdf5 | 322 | if (idx == 1) |
323 | { | |
324 | EXEC SQL BEGIN DECLARE SECTION; | |
325 | int lid = *(int *)argv[0]; | |
326 | EXEC SQL END DECLARE SECTION; | |
327 | ||
328 | if (acl_access_check(lid, cl)) | |
329 | return MR_PERM; | |
330 | } | |
331 | ||
17f585b5 | 332 | for (p = (unsigned char *) name; *p; p++) |
5eaef520 | 333 | { |
73cf66ba | 334 | if (badlistchars[*p]) |
5eaef520 | 335 | return MR_BAD_CHAR; |
336 | } | |
337 | ||
17f585b5 | 338 | /* Check that it doesn't conflict with a pre-existing weirdly-cased |
339 | * name. */ | |
340 | EXEC SQL SELECT COUNT(name) INTO :cnt FROM list | |
20315440 | 341 | WHERE LOWER(name) = :name AND name != :name; |
17f585b5 | 342 | if (cnt) |
343 | return MR_EXISTS; | |
344 | ||
5eaef520 | 345 | if (!strcmp(argv[6 + idx], UNIQUE_GID) || atoi(argv[6 + idx]) == -1) |
346 | { | |
347 | if (atoi(argv[5 + idx])) | |
348 | { | |
349 | if ((err = set_next_object_id("gid", LIST_TABLE, 1))) | |
350 | return err; | |
351 | EXEC SQL SELECT value INTO :ngid FROM numvalues | |
352 | WHERE name = 'gid'; | |
353 | if (dbms_errno) | |
354 | return mr_errcode; | |
355 | sprintf(argv[6 + idx], "%d", ngid); | |
73cf66ba | 356 | } |
5eaef520 | 357 | else |
358 | strcpy(argv[6 + idx], "-1"); | |
73cf66ba | 359 | } |
360 | ||
5eaef520 | 361 | if ((mr_errcode = prefetch_value(q, argv, cl)) != MR_SUCCESS) |
362 | return mr_errcode; | |
73cf66ba | 363 | |
5eaef520 | 364 | return MR_SUCCESS; |
73cf66ba | 365 | } |
366 | ||
367 | ||
368 | /* setup_dlis - verify that the list is no longer being referenced | |
369 | * and may safely be deleted. | |
370 | */ | |
371 | ||
7ac48069 | 372 | int setup_dlis(struct query *q, char *argv[], client *cl) |
73cf66ba | 373 | { |
5eaef520 | 374 | int id; |
375 | EXEC SQL BEGIN DECLARE SECTION; | |
376 | int cnt; | |
377 | EXEC SQL END DECLARE SECTION; | |
378 | ||
379 | id = *(int *)argv[0]; | |
380 | ||
381 | EXEC SQL SELECT COUNT(member_id) INTO :cnt FROM imembers | |
382 | WHERE member_id = :id AND member_type = 'LIST'; | |
383 | if (cnt > 0) | |
384 | return MR_IN_USE; | |
385 | ||
386 | EXEC SQL SELECT COUNT(member_id) INTO :cnt FROM imembers | |
387 | WHERE member_id = :id AND member_type = 'LIST'; | |
388 | if (cnt > 0) | |
389 | return MR_IN_USE; | |
390 | ||
391 | EXEC SQL SELECT COUNT(member_id) INTO :cnt FROM imembers | |
392 | WHERE list_id = :id; | |
393 | if (cnt > 0) | |
394 | return MR_IN_USE; | |
395 | ||
396 | EXEC SQL SELECT COUNT(label) INTO :cnt FROM filesys WHERE owners = :id; | |
397 | if (cnt > 0) | |
398 | return MR_IN_USE; | |
399 | ||
400 | EXEC SQL SELECT COUNT(tag) INTO :cnt FROM capacls WHERE list_id = :id; | |
401 | if (cnt > 0) | |
402 | return MR_IN_USE; | |
403 | ||
404 | EXEC SQL SELECT COUNT(name) INTO :cnt FROM list | |
405 | WHERE acl_id = :id AND acl_type = 'LIST' AND list_id != :id; | |
406 | if (cnt > 0) | |
407 | return MR_IN_USE; | |
408 | ||
409 | EXEC SQL SELECT COUNT(name) INTO :cnt FROM servers | |
410 | WHERE acl_id = :id AND acl_type = 'LIST'; | |
411 | if (cnt > 0) | |
412 | return MR_IN_USE; | |
413 | ||
414 | EXEC SQL SELECT COUNT(entity_id) INTO :cnt FROM quota | |
415 | WHERE entity_id = :id AND type = 'GROUP'; | |
416 | if (cnt > 0) | |
417 | return MR_IN_USE; | |
418 | ||
419 | EXEC SQL SELECT COUNT(acl_id) INTO :cnt FROM hostaccess | |
420 | WHERE acl_id = :id AND acl_type = 'LIST'; | |
421 | if (cnt > 0) | |
422 | return MR_IN_USE; | |
423 | ||
424 | EXEC SQL SELECT COUNT(class) INTO :cnt FROM zephyr z | |
425 | WHERE z.xmt_type = 'LIST' AND z.xmt_id = :id | |
426 | OR z.sub_type = 'LIST' AND z.sub_id = :id | |
427 | OR z.iws_type = 'LIST' AND z.iws_id = :id | |
428 | OR z.iui_type = 'LIST' AND z.iui_id = :id; | |
429 | if (cnt > 0) | |
430 | return MR_IN_USE; | |
431 | ||
432 | return MR_SUCCESS; | |
73cf66ba | 433 | } |
434 | ||
435 | ||
436 | /* setup_dsin - verify that the service is no longer being referenced | |
437 | * and may safely be deleted. | |
438 | */ | |
439 | ||
7ac48069 | 440 | int setup_dsin(struct query *q, char *argv[], client *cl) |
73cf66ba | 441 | { |
5eaef520 | 442 | EXEC SQL BEGIN DECLARE SECTION; |
443 | int ec, cnt; | |
444 | char *svrname; | |
445 | EXEC SQL END DECLARE SECTION; | |
446 | ||
447 | svrname = argv[0]; | |
448 | EXEC SQL SELECT COUNT(service) INTO :cnt FROM serverhosts | |
449 | WHERE service = UPPER(:svrname); | |
450 | if (cnt > 0) | |
451 | return MR_IN_USE; | |
452 | ||
453 | EXEC SQL SELECT inprogress INTO :ec FROM servers | |
454 | WHERE name = UPPER(:svrname); | |
455 | if (dbms_errno) | |
456 | return mr_errcode; | |
457 | if (ec) | |
458 | return MR_IN_USE; | |
459 | ||
460 | return MR_SUCCESS; | |
73cf66ba | 461 | } |
462 | ||
463 | ||
464 | /* setup_dshi - verify that the service-host is no longer being referenced | |
465 | * and may safely be deleted. | |
466 | */ | |
467 | ||
7ac48069 | 468 | int setup_dshi(struct query *q, char *argv[], client *cl) |
73cf66ba | 469 | { |
5eaef520 | 470 | EXEC SQL BEGIN DECLARE SECTION; |
471 | int id, ec; | |
472 | char *svrname; | |
473 | EXEC SQL END DECLARE SECTION; | |
474 | ||
475 | svrname = argv[0]; | |
476 | id = *(int *)argv[1]; | |
477 | ||
478 | EXEC SQL SELECT inprogress INTO :ec FROM serverhosts | |
479 | WHERE service = UPPER(:svrname) AND mach_id = :id; | |
480 | if (dbms_errno) | |
481 | return mr_errcode; | |
482 | if (ec) | |
483 | return MR_IN_USE; | |
484 | ||
485 | return MR_SUCCESS; | |
73cf66ba | 486 | } |
487 | ||
488 | ||
489 | /** | |
490 | ** setup_add_filesys - verify existance of referenced file systems | |
491 | ** | |
492 | ** Inputs: Add | |
493 | ** argv[1] - type | |
494 | ** argv[2] - mach_id | |
495 | ** argv[3] - name | |
03c05291 | 496 | ** argv[5] - rwaccess |
73cf66ba | 497 | ** |
498 | ** Description: | |
499 | ** - for type = RVD: | |
500 | ** * allow anything | |
501 | ** - for type = NFS: | |
502 | ** * extract directory prefix from name | |
503 | ** * verify mach_id/dir in nfsphys | |
03c05291 | 504 | ** * verify rwaccess in {r, w, R, W} |
73cf66ba | 505 | ** |
506 | ** Side effect: sets variable _var_phys_id to the ID of the physical | |
507 | ** filesystem (nfsphys_id for NFS, 0 for RVD) | |
508 | ** | |
509 | ** Errors: | |
510 | ** MR_NFS - specified directory not exported | |
511 | ** MR_FILESYS_ACCESS - invalid filesys access | |
512 | ** | |
513 | **/ | |
514 | ||
515 | EXEC SQL BEGIN DECLARE SECTION; | |
516 | int _var_phys_id; | |
517 | EXEC SQL END DECLARE SECTION; | |
518 | ||
5eaef520 | 519 | int setup_afil(struct query *q, char *argv[], client *cl) |
73cf66ba | 520 | { |
5eaef520 | 521 | char *type, *name; |
522 | int mach_id; | |
523 | EXEC SQL BEGIN DECLARE SECTION; | |
524 | int ok; | |
e688520a | 525 | char ftype[FILESYS_TYPE_SIZE + 10], *rwaccess; |
5eaef520 | 526 | EXEC SQL END DECLARE SECTION; |
527 | ||
528 | type = argv[1]; | |
529 | mach_id = *(int *)argv[2]; | |
530 | name = argv[3]; | |
531 | rwaccess = argv[5]; | |
532 | _var_phys_id = 0; | |
533 | ||
534 | sprintf(ftype, "fs_access_%s", type); | |
535 | EXEC SQL SELECT COUNT(trans) INTO :ok FROM alias | |
536 | WHERE name = :ftype AND type = 'TYPE' and trans = :rwaccess; | |
537 | if (dbms_errno) | |
538 | return mr_errcode; | |
539 | if (ok == 0) | |
540 | return MR_FILESYS_ACCESS; | |
541 | ||
542 | if ((mr_errcode = prefetch_value(q, argv, cl)) != MR_SUCCESS) | |
543 | return mr_errcode; | |
544 | ||
545 | if (!strcmp(type, "NFS")) | |
546 | return check_nfs(mach_id, name, rwaccess); | |
547 | ||
548 | return MR_SUCCESS; | |
73cf66ba | 549 | } |
550 | ||
551 | ||
552 | /* Verify the arguments, depending on the FStype. Also, if this is an | |
553 | * NFS filesystem, then update any quotas for that filesystem to reflect | |
554 | * the new phys_id. | |
555 | */ | |
556 | ||
5eaef520 | 557 | int setup_ufil(struct query *q, char *argv[], client *cl) |
73cf66ba | 558 | { |
5eaef520 | 559 | int mach_id, status; |
560 | char *type, *name; | |
561 | EXEC SQL BEGIN DECLARE SECTION; | |
562 | int fid, total, who, ok; | |
e688520a | 563 | char *entity, ftype[FILESYS_TYPE_SIZE + 10], *access; |
5eaef520 | 564 | short int total_null; |
565 | EXEC SQL END DECLARE SECTION; | |
566 | ||
567 | _var_phys_id = 0; | |
568 | type = argv[2]; | |
569 | mach_id = *(int *)argv[3]; | |
570 | name = argv[4]; | |
571 | access = argv[6]; | |
572 | fid = *(int *)argv[0]; | |
573 | who = cl->client_id; | |
574 | entity = cl->entity; | |
575 | ||
576 | sprintf(ftype, "fs_access_%s", type); | |
577 | EXEC SQL SELECT COUNT(trans) INTO :ok FROM alias | |
578 | WHERE name = :ftype AND type = 'TYPE' AND trans = :access; | |
579 | if (dbms_errno) | |
580 | return mr_errcode; | |
581 | if (ok == 0) | |
582 | return MR_FILESYS_ACCESS; | |
583 | ||
584 | EXEC SQL SELECT type INTO :ftype FROM filesys | |
585 | WHERE filsys_id = :fid; | |
586 | if (dbms_errno) | |
587 | return mr_errcode; | |
588 | ||
589 | if (!strcmp(type, "NFS")) | |
590 | { | |
591 | status = check_nfs(mach_id, name, access); | |
592 | EXEC SQL UPDATE quota SET phys_id = :_var_phys_id | |
593 | WHERE filsys_id = :fid; | |
594 | if (dbms_errno) | |
595 | return mr_errcode; | |
596 | return status; | |
597 | } | |
598 | else if (!strcmp(type, "AFS") && strcmp(strtrim(ftype), "AFS") | |
599 | && strcmp(strtrim(ftype), "ERR")) | |
600 | { | |
601 | total = 0; | |
602 | EXEC SQL DELETE FROM quota | |
603 | WHERE type = 'ANY' AND filsys_id = :fid; | |
604 | EXEC SQL SELECT SUM (quota) INTO :total:total_null FROM quota | |
605 | WHERE filsys_id = :fid AND phys_id != 0; | |
606 | if (dbms_errno) | |
607 | return mr_errcode; | |
608 | if (!total_null && (total != 0)) | |
609 | { | |
610 | EXEC SQL INSERT INTO quota (quota, filsys_id, phys_id, entity_id, | |
611 | type, modtime, modby, modwith) | |
612 | VALUES (:total, :fid, 0, 0, 'ANY', SYSDATE, :who, :entity); | |
613 | if (dbms_errno) | |
614 | return mr_errcode; | |
73cf66ba | 615 | } |
73cf66ba | 616 | } |
5eaef520 | 617 | else |
618 | { | |
619 | EXEC SQL UPDATE quota SET phys_id = 0 WHERE filsys_id = :fid; | |
620 | if (dbms_errno) | |
621 | return mr_errcode; | |
622 | } | |
623 | return MR_SUCCESS; | |
73cf66ba | 624 | } |
625 | ||
626 | ||
627 | /* Find the NFS physical partition that the named directory is on. | |
628 | * This is done by comparing the dir against the mount point of the | |
629 | * partition. To make sure we get the correct match when there is | |
630 | * more than one, we sort the query in reverse order by dir name. | |
631 | */ | |
632 | ||
5eaef520 | 633 | int check_nfs(int mach_id, char *name, char *access) |
73cf66ba | 634 | { |
5eaef520 | 635 | EXEC SQL BEGIN DECLARE SECTION; |
e688520a | 636 | char dir[NFSPHYS_DIR_SIZE]; |
5eaef520 | 637 | int mid = mach_id; |
638 | EXEC SQL END DECLARE SECTION; | |
44d12d58 | 639 | int status; |
640 | char *cp1; | |
641 | char *cp2; | |
5eaef520 | 642 | |
643 | status = MR_NFS; | |
644 | EXEC SQL DECLARE csr101 CURSOR FOR | |
645 | SELECT nfsphys_id, dir FROM nfsphys | |
646 | WHERE mach_id = :mid | |
647 | ORDER BY 2 DESC; | |
648 | if (dbms_errno) | |
649 | return mr_errcode; | |
650 | EXEC SQL OPEN csr101; | |
651 | if (dbms_errno) | |
652 | return mr_errcode; | |
653 | while (1) | |
654 | { | |
655 | EXEC SQL FETCH csr101 INTO :_var_phys_id, :dir; | |
656 | if (sqlca.sqlcode) | |
657 | break; | |
658 | cp1 = name; | |
659 | cp2 = strtrim(dir); | |
660 | while (*cp2) | |
661 | { | |
662 | if (*cp1++ != *cp2) | |
73cf66ba | 663 | break; |
5eaef520 | 664 | cp2++; |
665 | } | |
666 | if (!*cp2) | |
667 | { | |
668 | status = MR_SUCCESS; | |
669 | break; | |
73cf66ba | 670 | } |
671 | } | |
5eaef520 | 672 | EXEC SQL CLOSE csr101; |
673 | if (dbms_errno) | |
674 | return mr_errcode; | |
675 | return status; | |
73cf66ba | 676 | } |
677 | ||
678 | ||
679 | /* setup_dfil: free any quota records and fsgroup info associated with | |
680 | * a filesystem when it is deleted. Also adjust the allocation numbers. | |
681 | */ | |
682 | ||
5eaef520 | 683 | int setup_dfil(struct query *q, char **argv, client *cl) |
73cf66ba | 684 | { |
5eaef520 | 685 | EXEC SQL BEGIN DECLARE SECTION; |
686 | int id, total, phys_id; | |
687 | short int none; | |
688 | EXEC SQL END DECLARE SECTION; | |
689 | ||
690 | id = *(int *)argv[0]; | |
691 | EXEC SQL SELECT SUM (quota) INTO :total:none FROM quota | |
692 | WHERE filsys_id = :id; | |
693 | ||
694 | if (none) | |
695 | total = 0; | |
696 | ||
697 | /** What if there are multiple phys_id's per f/s? (bad data) **/ | |
698 | EXEC SQL SELECT phys_id INTO :phys_id FROM filesys | |
699 | WHERE filsys_id = :id; | |
700 | EXEC SQL UPDATE nfsphys SET allocated = allocated - :total | |
701 | WHERE nfsphys_id = :phys_id; | |
702 | ||
703 | if (!none) | |
704 | EXEC SQL DELETE FROM quota WHERE filsys_id = :id; | |
705 | EXEC SQL DELETE FROM fsgroup WHERE filsys_id = :id; | |
706 | EXEC SQL DELETE FROM fsgroup WHERE group_id = :id; | |
707 | if (dbms_errno) | |
708 | return mr_errcode; | |
709 | return MR_SUCCESS; | |
73cf66ba | 710 | } |
711 | ||
712 | ||
713 | /* setup_dnfp: check to see that the nfs physical partition does not have | |
714 | * any filesystems assigned to it before allowing it to be deleted. | |
715 | */ | |
716 | ||
5eaef520 | 717 | int setup_dnfp(struct query *q, char **argv, client *cl) |
73cf66ba | 718 | { |
5eaef520 | 719 | EXEC SQL BEGIN DECLARE SECTION; |
720 | int id, cnt; | |
721 | char *dir; | |
722 | EXEC SQL END DECLARE SECTION; | |
723 | ||
724 | id = *(int *)argv[0]; | |
725 | dir = argv[1]; | |
726 | EXEC SQL SELECT count(fs.rowid) INTO :cnt FROM filesys fs, nfsphys np | |
727 | WHERE fs.mach_id = :id AND fs.phys_id = np.nfsphys_id | |
728 | AND np.mach_id = :id AND np.dir = :dir; | |
729 | if (cnt > 0) | |
730 | return MR_IN_USE; | |
731 | if (dbms_errno) | |
732 | return mr_errcode; | |
733 | return MR_SUCCESS; | |
73cf66ba | 734 | } |
735 | ||
736 | ||
737 | /* setup_dqot: Remove allocation from nfsphys before deleting quota. | |
738 | * argv[0] = filsys_id | |
739 | * argv[1] = type if "update_quota" or "delete_quota" | |
740 | * argv[2 or 1] = users_id or list_id | |
741 | */ | |
742 | ||
5eaef520 | 743 | int setup_dqot(struct query *q, char **argv, client *cl) |
73cf66ba | 744 | { |
5eaef520 | 745 | EXEC SQL BEGIN DECLARE SECTION; |
746 | int quota, fs, id, physid; | |
747 | char *qtype; | |
748 | EXEC SQL END DECLARE SECTION; | |
749 | ||
750 | fs = *(int *)argv[0]; | |
751 | if (!strcmp(q->name, "update_quota") || !strcmp(q->name, "delete_quota")) | |
752 | { | |
753 | qtype = argv[1]; | |
754 | id = *(int *)argv[2]; | |
755 | } | |
756 | else | |
757 | { | |
758 | qtype = "USER"; | |
759 | id = *(int *)argv[1]; | |
73cf66ba | 760 | } |
761 | ||
5eaef520 | 762 | EXEC SQL SELECT quota INTO :quota FROM quota |
763 | WHERE type = :qtype AND entity_id = :id AND filsys_id = :fs; | |
764 | EXEC SQL SELECT phys_id INTO :physid FROM filesys | |
765 | WHERE filsys_id = :fs; | |
766 | EXEC SQL UPDATE nfsphys SET allocated = allocated - :quota | |
767 | WHERE nfsphys_id = :physid; | |
73cf66ba | 768 | |
5eaef520 | 769 | if (dbms_errno) |
770 | return mr_errcode; | |
771 | return MR_SUCCESS; | |
73cf66ba | 772 | } |
773 | ||
774 | ||
7f426981 | 775 | /* prefetch_value(): |
776 | * This routine fetches an appropriate value from the numvalues table. | |
777 | * It is a little hack to get around the fact that SQL doesn't let you | |
778 | * do something like INSERT INTO table (foo) VALUES (other_table.bar). | |
779 | * | |
5eaef520 | 780 | * It is called from the query table as (*v->pre_rtn)(q, Argv, cl) or |
7f426981 | 781 | * from within a setup_...() routine with the appropriate arguments. |
782 | * | |
783 | * Correct functioning of this routine may depend on the assumption | |
784 | * that this query is an APPEND. | |
785 | */ | |
786 | ||
5eaef520 | 787 | int prefetch_value(struct query *q, char **argv, client *cl) |
7f426981 | 788 | { |
5eaef520 | 789 | EXEC SQL BEGIN DECLARE SECTION; |
790 | char *name = q->validate->object_id; | |
791 | int value; | |
792 | EXEC SQL END DECLARE SECTION; | |
793 | int status, limit, argc; | |
794 | ||
795 | /* set next object id, limiting it if necessary */ | |
796 | if (!strcmp(name, "unix_uid") || !strcmp(name, "gid")) | |
797 | limit = 1; /* So far as I know, this isn't needed. Just CMA. */ | |
798 | else | |
799 | limit = 0; | |
800 | if ((status = set_next_object_id(name, q->rtable, limit)) != MR_SUCCESS) | |
801 | return status; | |
802 | ||
803 | /* fetch object id */ | |
804 | EXEC SQL SELECT value INTO :value FROM numvalues WHERE name = :name; | |
805 | if (dbms_errno) | |
806 | return mr_errcode; | |
807 | if (sqlca.sqlerrd[2] != 1) | |
808 | return MR_INTERNAL; | |
809 | ||
810 | argc = q->argc + q->vcnt; /* end of Argv for APPENDs */ | |
811 | sprintf(argv[argc], "%d", value); | |
812 | ||
813 | return MR_SUCCESS; | |
7f426981 | 814 | } |
815 | ||
816 | /* prefetch_filesys(): | |
817 | * Fetches the phys_id from filesys based on the filsys_id in argv[0]. | |
818 | * Appends the filsys_id and the phys_id to the argv so they can be | |
819 | * referenced in an INSERT into a table other than filesys. Also | |
820 | * see comments at prefetch_value(). | |
821 | * | |
822 | * Assumes the existence of a row where filsys_id = argv[0], since a | |
823 | * filesys label has already been resolved to a filsys_id. | |
824 | */ | |
5eaef520 | 825 | int prefetch_filesys(struct query *q, char **argv, client *cl) |
7f426981 | 826 | { |
5eaef520 | 827 | EXEC SQL BEGIN DECLARE SECTION; |
828 | int fid, phid; | |
829 | EXEC SQL END DECLARE SECTION; | |
830 | int argc; | |
7f426981 | 831 | |
5eaef520 | 832 | fid = *(int *)argv[0]; |
833 | EXEC SQL SELECT phys_id INTO :phid FROM filesys WHERE filsys_id = :fid; | |
834 | if (dbms_errno) | |
835 | return mr_errcode; | |
7f426981 | 836 | |
5eaef520 | 837 | argc = q->argc + q->vcnt; |
838 | sprintf(argv[argc++], "%d", phid); | |
839 | sprintf(argv[argc], "%d", fid); | |
7f426981 | 840 | |
5eaef520 | 841 | return MR_SUCCESS; |
7f426981 | 842 | } |
843 | ||
844 | ||
845 | /* setup_ahst(): | |
846 | */ | |
847 | ||
5eaef520 | 848 | int setup_ahst(struct query *q, char **argv, client *cl) |
7f426981 | 849 | { |
5eaef520 | 850 | EXEC SQL BEGIN DECLARE SECTION; |
e688520a | 851 | char *name, oldname[MACHINE_NAME_SIZE], vendor[MACHINE_VENDOR_SIZE]; |
db9491c6 | 852 | char model[MACHINE_MODEL_SIZE], os[MACHINE_OS_SIZE]; |
ff98438b | 853 | int value, id, ssaddr, smask, shigh, slow, cnt; |
854 | unsigned int saddr, mask, high, low; | |
5eaef520 | 855 | EXEC SQL END DECLARE SECTION; |
856 | int row; | |
857 | struct in_addr addr; | |
5eaef520 | 858 | |
fde09f2c | 859 | id = *(int *)argv[0]; |
860 | ||
5eaef520 | 861 | if (!strcmp(q->shortname, "uhst")) |
85330553 | 862 | { |
863 | row = 1; | |
864 | EXEC SQL SELECT name, vendor, model, os | |
865 | INTO :oldname, :vendor, :model, :os | |
866 | FROM machine WHERE mach_id = :id; | |
867 | } | |
5eaef520 | 868 | else |
869 | row = 0; | |
870 | ||
9e252e6f | 871 | /* Sanity check name, vendor, model, and os. */ |
872 | if ((row == 0 || strcasecmp(argv[1], oldname)) && | |
873 | !hostname_check(argv[row])) | |
874 | return MR_BAD_CHAR; | |
875 | if ((row == 0 || strcasecmp(argv[2], vendor)) && | |
17f585b5 | 876 | !hostinfo_check(argv[row + 1], 0)) |
9e252e6f | 877 | return MR_BAD_CHAR; |
878 | if ((row == 0 || strcasecmp(argv[3], model)) && | |
17f585b5 | 879 | !hostinfo_check(argv[row + 2], 1)) |
9e252e6f | 880 | return MR_BAD_CHAR; |
881 | if ((row == 0 || strcasecmp(argv[4], os)) && | |
17f585b5 | 882 | !hostinfo_check(argv[row + 3], 0)) |
9e252e6f | 883 | return MR_BAD_CHAR; |
8ca3e341 | 884 | |
5eaef520 | 885 | /* check for duplicate name */ |
886 | name = argv[row]; | |
887 | EXEC SQL SELECT count(mach_id) INTO :cnt FROM hostalias | |
ad06a10e | 888 | WHERE name = UPPER(:name); |
5eaef520 | 889 | if (dbms_errno) |
890 | return mr_errcode; | |
891 | if (cnt != 0) | |
892 | return MR_EXISTS; | |
893 | ||
894 | /* check address */ | |
895 | if (!strcmp(argv[9 + row], "unassigned")) | |
896 | value = -1; | |
897 | else if (!strcmp(argv[9 + row], "unique")) | |
898 | { | |
899 | if (*(int *)argv[8 + row] == 0) | |
900 | value = -1; | |
901 | else | |
902 | value = -2; | |
903 | } | |
904 | else | |
905 | { | |
906 | value = ntohl(inet_addr(argv[9 + row])); | |
907 | if (value == -1) | |
908 | return MR_ADDRESS; | |
5482f508 | 909 | } |
5eaef520 | 910 | if (value == 0) |
911 | return MR_ADDRESS; | |
912 | if (value != -1) | |
913 | { | |
914 | /* | |
915 | * an address or unique was specified. | |
916 | */ | |
917 | id = *(int *)argv[8 + row]; | |
ff98438b | 918 | EXEC SQL SELECT saddr, mask, high, low INTO :ssaddr, :smask, |
919 | :shigh, :slow FROM subnet WHERE snet_id = :id; | |
5eaef520 | 920 | if (dbms_errno) |
921 | return mr_errcode; | |
ff98438b | 922 | saddr = (unsigned) ssaddr; |
923 | mask = (unsigned) smask; | |
924 | high = (unsigned) shigh; | |
925 | low = (unsigned) slow; | |
5eaef520 | 926 | if (value != -2) |
927 | { | |
928 | /* | |
929 | * someone specified an IP address for the host record | |
930 | */ | |
082466aa | 931 | if ((value & mask) != saddr || value < low || value > high) |
5eaef520 | 932 | return MR_ADDRESS; |
933 | /* | |
934 | * run the address argument through inet_addr(). This | |
935 | * has the effect that any out of bounds host addrs will | |
936 | * be converted to a valid host addr. We do this now | |
937 | * so that the uniqueness check works. We should also | |
938 | * link in an inet_addr() that returns an error for | |
939 | * this case. | |
940 | */ | |
941 | addr.s_addr = inet_addr(argv[9 + row]); | |
942 | name = inet_ntoa(addr); | |
943 | EXEC SQL SELECT count(mach_id) INTO :cnt FROM machine | |
944 | WHERE address = :name; | |
945 | if (dbms_errno) | |
946 | return mr_errcode; | |
947 | if (cnt > 0) | |
948 | { | |
949 | /* | |
950 | * make IP address is unique. If this a modify request | |
951 | * (row == 1), then we expect one record to exist. | |
952 | */ | |
7ac48069 | 953 | if (row == 0 || (row == 1 && cnt > 1)) |
5eaef520 | 954 | return MR_ADDRESS; |
955 | if (row == 1 && cnt == 1) | |
956 | { | |
957 | EXEC SQL SELECT mach_id INTO :id FROM machine | |
958 | WHERE address = :name; | |
959 | if (id != *(int *)argv[0]) | |
960 | return MR_ADDRESS; | |
7f426981 | 961 | } |
962 | } | |
5eaef520 | 963 | } |
964 | else | |
965 | { | |
966 | /* | |
967 | * a "unique" address was specified. Walk through the | |
968 | * range specified in the network record, return | |
969 | * error if no room left. | |
970 | */ | |
971 | for (id = low; id <= high; id++) | |
972 | { | |
973 | if (((id & 0xff) == 0) || ((id & 0xff) == 255)) | |
974 | continue; | |
975 | addr.s_addr = htonl(id); | |
7ac48069 | 976 | name = inet_ntoa(addr); |
5eaef520 | 977 | EXEC SQL SELECT count(mach_id) INTO :cnt FROM machine |
978 | WHERE address = :name; | |
979 | if (dbms_errno) | |
980 | return mr_errcode; | |
981 | if (cnt == 0) | |
982 | break; | |
7f426981 | 983 | } |
5eaef520 | 984 | if (cnt != 0) |
6715bac2 | 985 | return MR_NO_ID; |
5eaef520 | 986 | else |
987 | value = htonl(id); | |
7f426981 | 988 | } |
5eaef520 | 989 | /* |
990 | * we have an address in value. Convert it to a string and store it. | |
991 | */ | |
992 | addr.s_addr = htonl(value); | |
993 | strcpy(argv[9 + row], inet_ntoa(addr)); | |
7f426981 | 994 | } |
5eaef520 | 995 | else |
996 | strcpy(argv[9 + row], "unassigned"); | |
997 | ||
998 | /* status checking */ | |
999 | value = atoi(argv[7 + row]); | |
1000 | if (row == 0 && !(value == 1 || value == 0)) | |
1001 | return MR_TYPE; | |
1002 | if (row == 1) | |
1003 | { | |
1004 | id = *(int *)argv[0]; | |
1005 | EXEC SQL SELECT status INTO :cnt FROM machine WHERE mach_id = :id; | |
1006 | if (dbms_errno) | |
1007 | return mr_errcode; | |
1008 | if (value != cnt) | |
1009 | { | |
1010 | EXEC SQL UPDATE machine SET statuschange = SYSDATE | |
1011 | WHERE mach_id = :id; | |
7f426981 | 1012 | } |
1013 | } | |
1014 | ||
5eaef520 | 1015 | /* |
1016 | * If this is an update_host query, we're done. | |
1017 | */ | |
1018 | if (row == 1) | |
1019 | return MR_SUCCESS; | |
1020 | ||
1021 | /* | |
1022 | * For an add_host query, allocate and fill in a new machine id, | |
1023 | * and then insert the creator id. | |
1024 | */ | |
1025 | if ((mr_errcode = prefetch_value(q, argv, cl)) != MR_SUCCESS) | |
1026 | return mr_errcode; | |
1027 | ||
1028 | sprintf(argv[q->argc + q->vcnt + 1], "%d", cl->client_id); | |
1029 | return MR_SUCCESS; | |
7f426981 | 1030 | } |
1031 | ||
1032 | ||
1033 | /* setup_ahal(): | |
1034 | */ | |
1035 | ||
5eaef520 | 1036 | int setup_ahal(struct query *q, char **argv, client *cl) |
7f426981 | 1037 | { |
5eaef520 | 1038 | EXEC SQL BEGIN DECLARE SECTION; |
1039 | char *name; | |
1040 | int cnt; | |
1041 | EXEC SQL END DECLARE SECTION; | |
1042 | char *p; | |
1043 | ||
84f3d463 | 1044 | name = argv[0]; |
1045 | if (!hostname_check(argv[0])) | |
5eaef520 | 1046 | return MR_BAD_CHAR; |
7f426981 | 1047 | |
5eaef520 | 1048 | EXEC SQL SELECT count(mach_id) INTO :cnt FROM machine WHERE |
ad06a10e | 1049 | name = UPPER(:name); |
5eaef520 | 1050 | if (dbms_errno) |
1051 | return mr_errcode; | |
1052 | if (cnt > 0) | |
1053 | return MR_EXISTS; | |
7f426981 | 1054 | |
5eaef520 | 1055 | return MR_SUCCESS; |
7f426981 | 1056 | } |
84f3d463 | 1057 | |
1058 | /* hostname_check() | |
9e252e6f | 1059 | * validate the rfc1035/rfc1123-ness of a hostname |
84f3d463 | 1060 | */ |
1061 | ||
1062 | int hostname_check(char *name) | |
1063 | { | |
1064 | char *p; | |
1065 | int count; | |
1066 | ||
9e252e6f | 1067 | /* Sanity check name: must contain only letters, numerals, and |
1068 | * hyphen, and not start or end with a hyphen. Also make sure no | |
1069 | * label (the thing the .s seperate) is longer than 63 characters. | |
84f3d463 | 1070 | */ |
1071 | ||
9e252e6f | 1072 | for (p = name, count = 0; *p; p++) |
84f3d463 | 1073 | { |
1074 | count++; | |
1075 | if ((!isalnum(*p) && *p != '-' && *p != '.') || | |
1076 | (*p == '-' && p[1] == '.')) | |
1077 | return 0; | |
1078 | if (*p == '.') | |
1079 | count = 0; | |
1080 | if (count == 64) | |
1081 | return 0; | |
1082 | } | |
1083 | if (*(p - 1) == '-') | |
1084 | return 0; | |
1085 | return 1; | |
1086 | } | |
9e252e6f | 1087 | |
17f585b5 | 1088 | int hostinfo_check(char *info, int num) |
9e252e6f | 1089 | { |
1090 | char *p; | |
1091 | ||
1092 | if (!*info) | |
1093 | return 1; | |
1094 | ||
17f585b5 | 1095 | /* Sanity check host hostinfo: must start with a letter (or number |
1096 | * if num is true), contain only letters, numerals, and hyphen, and | |
1097 | * not end with a hyphen. | |
9e252e6f | 1098 | */ |
1099 | ||
17f585b5 | 1100 | if (!isalpha(*info) && (!num || !isdigit(*info))) |
9e252e6f | 1101 | return 0; |
1102 | for (p = info; *p; p++) | |
1103 | { | |
1104 | if ((!isalnum(*p) && *p != '-' && *p != '.') || | |
1105 | (*p == '-' && p[1] == '.')) | |
1106 | return 0; | |
1107 | } | |
1108 | if (!isalnum(*(p - 1))) | |
1109 | return 1; | |
1110 | } |