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7ac48069 | 1 | /* $Id$ |
73cf66ba | 2 | * |
7ac48069 | 3 | * Check access to queries |
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" |
7ac48069 | 12 | #include "qrtn.h" |
03c05291 | 13 | #include "query.h" |
7ac48069 | 14 | |
73cf66ba | 15 | #include <ctype.h> |
7ac48069 | 16 | #include <stdlib.h> |
17 | ||
73cf66ba | 18 | EXEC SQL INCLUDE sqlca; |
7ac48069 | 19 | |
20 | RCSID("$Header$"); | |
73cf66ba | 21 | |
22 | extern char *whoami; | |
03c05291 | 23 | extern int dbms_errno, mr_errcode; |
73cf66ba | 24 | |
03c05291 | 25 | EXEC SQL WHENEVER SQLERROR DO dbmserr(); |
73cf66ba | 26 | |
27 | ||
28 | /* Specialized Access Routines */ | |
29 | ||
30 | /* access_user - verify that client name equals specified login name | |
31 | * | |
32 | * - since field validation routines are called first, a users_id is | |
33 | * now in argv[0] instead of the login name. | |
34 | */ | |
35 | ||
5eaef520 | 36 | int access_user(struct query *q, char *argv[], client *cl) |
73cf66ba | 37 | { |
5eaef520 | 38 | if (cl->users_id != *(int *)argv[0]) |
39 | return MR_PERM; | |
40 | else | |
41 | return MR_SUCCESS; | |
73cf66ba | 42 | } |
43 | ||
44 | ||
45 | ||
46 | /* access_login - verify that client name equals specified login name | |
47 | * | |
48 | * argv[0...n] contain search info. q-> | |
49 | */ | |
50 | ||
5eaef520 | 51 | int access_login(struct query *q, char *argv[], client *cl) |
73cf66ba | 52 | { |
5eaef520 | 53 | EXEC SQL BEGIN DECLARE SECTION; |
54 | int id; | |
55 | EXEC SQL END DECLARE SECTION; | |
73cf66ba | 56 | |
5eaef520 | 57 | if (q->argc != 1) |
58 | return MR_ARGS; | |
03c05291 | 59 | |
5eaef520 | 60 | if (!strcmp(q->shortname, "gual")) |
61 | { | |
5906749e | 62 | EXEC SQL SELECT users_id INTO :id FROM users |
cc0ec904 | 63 | WHERE login = :argv[0] AND users_id != 0; |
5eaef520 | 64 | } |
65 | else if (!strcmp(q->shortname, "gubl")) | |
66 | { | |
03c05291 | 67 | EXEC SQL SELECT users_id INTO :id FROM users u |
cc0ec904 | 68 | WHERE u.login = :argv[0] AND u.users_id != 0; |
5eaef520 | 69 | } |
70 | else if (!strcmp(q->shortname, "guau")) | |
71 | { | |
5906749e | 72 | EXEC SQL SELECT users_id INTO :id FROM users |
73 | WHERE unix_uid = :argv[0] AND users_id != 0; | |
5eaef520 | 74 | } |
75 | else if (!strcmp(q->shortname, "gubu")) | |
76 | { | |
03c05291 | 77 | EXEC SQL SELECT users_id INTO :id FROM users u |
78 | WHERE u.unix_uid = :argv[0] AND u.users_id != 0; | |
73cf66ba | 79 | } |
80 | ||
5eaef520 | 81 | if (sqlca.sqlcode == SQL_NO_MATCH) |
82 | return MR_NO_MATCH; /* ought to be MR_USER, but this is what | |
83 | gual returns, so we have to be consistent */ | |
84 | else if (sqlca.sqlerrd[2] != 1 || id != cl->users_id) | |
85 | return MR_PERM; | |
86 | else | |
87 | return MR_SUCCESS; | |
73cf66ba | 88 | } |
89 | ||
90 | ||
f659afb2 | 91 | /* access_spob - check access for set_pobox */ |
92 | ||
93 | int access_spob(struct query *q, char *argv[], client *cl) | |
94 | { | |
51e578b6 | 95 | EXEC SQL BEGIN DECLARE SECTION; |
96 | int id; | |
97 | EXEC SQL END DECLARE SECTION; | |
98 | ||
99 | if (!strcmp(argv[1], "IMAP")) | |
100 | { | |
101 | EXEC SQL SELECT owner INTO :id FROM filesys f | |
102 | WHERE f.label = :argv[2] AND f.type = 'IMAP' AND | |
103 | f.lockertype = 'USER'; | |
104 | if (cl->users_id != id) | |
105 | return MR_PERM; | |
106 | } | |
107 | if (cl->users_id != *(int *)argv[0]) | |
f659afb2 | 108 | return MR_PERM; |
109 | else | |
110 | return MR_SUCCESS; | |
111 | } | |
112 | ||
73cf66ba | 113 | |
114 | /* access_list - check access for most list operations | |
115 | * | |
116 | * Inputs: argv[0] - list_id | |
117 | * q - query name | |
118 | * argv[2] - member ID (only for queries "amtl" and "dmfl") | |
e688520a | 119 | * argv[7] - group ID (only for query "ulis") |
73cf66ba | 120 | * cl - client name |
121 | * | |
122 | * - check that client is a member of the access control list | |
123 | * - OR, if the query is add_member_to_list or delete_member_from_list | |
124 | * and the list is public, allow access if client = member | |
125 | */ | |
126 | ||
5eaef520 | 127 | int access_list(struct query *q, char *argv[], client *cl) |
73cf66ba | 128 | { |
5eaef520 | 129 | EXEC SQL BEGIN DECLARE SECTION; |
40b33762 | 130 | int list_id, acl_id, flags, gid, users_id, member_id, member_acl_id; |
59c3208b | 131 | int memacl_id; |
e688520a | 132 | char acl_type[LIST_ACL_TYPE_SIZE], name[LIST_NAME_SIZE], *newname; |
59c3208b | 133 | char member_acl_type[LIST_ACL_TYPE_SIZE], memacl_type[LIST_ACL_TYPE_SIZE]; |
5eaef520 | 134 | EXEC SQL END DECLARE SECTION; |
135 | int status; | |
136 | ||
137 | list_id = *(int *)argv[0]; | |
40b33762 | 138 | member_id = *(int *)argv[2]; |
59c3208b | 139 | EXEC SQL SELECT acl_id, acl_type, memacl_id, memacl_type, |
140 | gid, publicflg, name | |
141 | INTO :acl_id, :acl_type, :memacl_id, :memacl_type, | |
142 | :gid, :flags, :name | |
5eaef520 | 143 | FROM list |
144 | WHERE list_id = :list_id; | |
145 | ||
146 | if (sqlca.sqlerrd[2] != 1) | |
147 | return MR_INTERNAL; | |
148 | ||
59c3208b | 149 | /* if update_list, don't allow them to change the GID or rename to a |
150 | username other than their own */ | |
151 | if (!strcmp("ulis", q->shortname)) | |
5eaef520 | 152 | { |
153 | if (!strcmp(argv[7], UNIQUE_GID)) | |
154 | { | |
155 | if (gid != -1) | |
156 | return MR_PERM; | |
157 | } | |
158 | else | |
159 | { | |
160 | if (gid != atoi(argv[7])) | |
161 | return MR_PERM; | |
162 | } | |
5c96d2cd | 163 | |
d83ee5a2 | 164 | newname = argv[1]; |
5c96d2cd | 165 | |
166 | if (!strcmp("ulis", q->shortname)) | |
167 | { | |
168 | /* Check that it doesn't conflict with the Grouper namespace. */ | |
169 | if (strlen(newname) > 4 && isdigit(newname[2]) && | |
170 | isdigit(newname[3]) && newname[4] == '-') | |
171 | { | |
172 | if (!strncasecmp(newname, "fa", 2) || | |
173 | !strncasecmp(newname, "sp", 2) || | |
174 | !strncasecmp(newname, "su", 2) || | |
175 | !strncasecmp(newname, "ja", 2)) | |
176 | return MR_RESERVED; | |
177 | } | |
178 | ||
179 | /* Don't let anyone take owner-foo list names. They interact | |
180 | * weirdly with the aliases automatically generated by | |
181 | * mailhub.gen. | |
182 | */ | |
183 | if (!strncasecmp(newname, "owner-", 6)) | |
184 | return MR_RESERVED; | |
185 | } | |
186 | ||
d83ee5a2 | 187 | EXEC SQL SELECT users_id INTO :users_id FROM users |
5eaef520 | 188 | WHERE login = :newname; |
17f090e1 | 189 | if ((sqlca.sqlcode != SQL_NO_MATCH) && strcmp(strtrim(name), newname) && |
190 | (users_id != cl->users_id)) | |
5eaef520 | 191 | return MR_PERM; |
73cf66ba | 192 | } |
193 | ||
59c3208b | 194 | /* check for client in access control list and return success right |
195 | * away if it's there. */ | |
196 | if (find_member(acl_type, acl_id, cl)) | |
197 | return MR_SUCCESS; | |
198 | ||
199 | /* If not amtl, atml, or dmfl, we lose. */ | |
200 | if (strcmp(q->shortname, "amtl") && strcmp(q->shortname, "atml") && | |
e3fbe284 | 201 | strcmp(q->shortname, "dmfl") && strcmp(q->shortname, "tmol")) |
5eaef520 | 202 | return MR_PERM; |
73cf66ba | 203 | |
59c3208b | 204 | if (find_member(memacl_type, memacl_id, cl)) |
205 | return MR_SUCCESS; | |
206 | ||
207 | if (flags || q->type == DELETE) | |
208 | { | |
209 | if (!strcmp("USER", argv[1]) && *(int *)argv[2] == cl->users_id) | |
210 | return MR_SUCCESS; | |
211 | if (!strcmp("KERBEROS", argv[1]) && *(int *)argv[2] == -cl->client_id) | |
212 | return MR_SUCCESS; | |
213 | if (!strcmp("LIST", argv[1]) && !strcmp("dmfl", q->shortname)) | |
214 | { | |
215 | EXEC SQL SELECT acl_id, acl_type INTO :member_acl_id, | |
216 | :member_acl_type | |
217 | FROM list | |
218 | WHERE list_id = :member_id; | |
219 | ||
220 | if (find_member(member_acl_type, member_acl_id, cl)) | |
221 | return MR_SUCCESS; | |
222 | } | |
223 | } | |
224 | ||
225 | /* Otherwise fail. */ | |
226 | return MR_PERM; | |
73cf66ba | 227 | } |
228 | ||
229 | ||
230 | /* access_visible_list - allow access to list only if it is not hidden, | |
231 | * or if the client is on the ACL | |
232 | * | |
233 | * Inputs: argv[0] - list_id | |
234 | * cl - client identifier | |
235 | */ | |
236 | ||
5eaef520 | 237 | int access_visible_list(struct query *q, char *argv[], client *cl) |
73cf66ba | 238 | { |
5eaef520 | 239 | EXEC SQL BEGIN DECLARE SECTION; |
59c3208b | 240 | int list_id, acl_id, memacl_id, flags ; |
241 | char acl_type[LIST_ACL_TYPE_SIZE], memacl_type[LIST_ACL_TYPE_SIZE]; | |
5eaef520 | 242 | EXEC SQL END DECLARE SECTION; |
243 | int status; | |
244 | ||
245 | list_id = *(int *)argv[0]; | |
59c3208b | 246 | EXEC SQL SELECT hidden, acl_id, acl_type, memacl_id, memacl_type |
247 | INTO :flags, :acl_id, :acl_type, :memacl_id, :memacl_type | |
5eaef520 | 248 | FROM list |
249 | WHERE list_id = :list_id; | |
250 | if (sqlca.sqlerrd[2] != 1) | |
251 | return MR_INTERNAL; | |
252 | if (!flags) | |
253 | return MR_SUCCESS; | |
254 | ||
255 | /* check for client in access control list */ | |
256 | status = find_member(acl_type, acl_id, cl); | |
257 | if (!status) | |
59c3208b | 258 | { |
259 | status = find_member(memacl_type, memacl_id, cl); | |
260 | if (!status) | |
261 | return MR_PERM; | |
262 | } | |
5eaef520 | 263 | return MR_SUCCESS; |
73cf66ba | 264 | } |
265 | ||
266 | ||
267 | /* access_vis_list_by_name - allow access to list only if it is not hidden, | |
268 | * or if the client is on the ACL | |
269 | * | |
270 | * Inputs: argv[0] - list name | |
271 | * cl - client identifier | |
272 | */ | |
273 | ||
5eaef520 | 274 | int access_vis_list_by_name(struct query *q, char *argv[], client *cl) |
73cf66ba | 275 | { |
5eaef520 | 276 | EXEC SQL BEGIN DECLARE SECTION; |
59c3208b | 277 | int acl_id, memacl_id, flags, rowcount; |
278 | char acl_type[LIST_ACL_TYPE_SIZE], memacl_type[LIST_ACL_TYPE_SIZE]; | |
279 | char *listname; | |
5eaef520 | 280 | EXEC SQL END DECLARE SECTION; |
281 | int status; | |
282 | ||
283 | listname = argv[0]; | |
59c3208b | 284 | EXEC SQL SELECT hidden, acl_id, acl_type, memacl_id, memacl_type |
285 | INTO :flags, :acl_id, :acl_type, :memacl_id, :memacl_type | |
286 | FROM list | |
287 | WHERE name = :listname; | |
5eaef520 | 288 | |
289 | rowcount = sqlca.sqlerrd[2]; | |
290 | if (rowcount > 1) | |
291 | return MR_WILDCARD; | |
292 | if (rowcount == 0) | |
293 | return MR_NO_MATCH; | |
294 | if (!flags) | |
295 | return MR_SUCCESS; | |
296 | ||
297 | /* check for client in access control list */ | |
298 | status = find_member(acl_type, acl_id, cl); | |
299 | if (!status) | |
59c3208b | 300 | { |
301 | status = find_member(memacl_type, memacl_id, cl); | |
302 | if (!status) | |
303 | return MR_PERM; | |
304 | } | |
5eaef520 | 305 | return MR_SUCCESS; |
73cf66ba | 306 | } |
307 | ||
308 | ||
309 | /* access_member - allow user to access member of type "USER" and name matches | |
f3c08a60 | 310 | * username, or to access member of type "KERBEROS" and the principal matches |
311 | * the user, or to access member of type "LIST" and list is one that user is | |
d1d964a0 | 312 | * on the acl of, or the list is visible. Allow anyone to look up list |
313 | * memberships of MACHINEs. | |
73cf66ba | 314 | */ |
315 | ||
5eaef520 | 316 | int access_member(struct query *q, char *argv[], client *cl) |
73cf66ba | 317 | { |
5eaef520 | 318 | if (!strcmp(argv[0], "LIST") || !strcmp(argv[0], "RLIST")) |
319 | return access_visible_list(q, &argv[1], cl); | |
73cf66ba | 320 | |
5eaef520 | 321 | if (!strcmp(argv[0], "USER") || !strcmp(argv[0], "RUSER")) |
322 | { | |
323 | if (cl->users_id == *(int *)argv[1]) | |
324 | return MR_SUCCESS; | |
73cf66ba | 325 | } |
326 | ||
5eaef520 | 327 | if (!strcmp(argv[0], "KERBEROS") || !strcmp(argv[0], "RKERBEROS")) |
328 | { | |
329 | if (cl->client_id == -*(int *)argv[1]) | |
330 | return MR_SUCCESS; | |
73cf66ba | 331 | } |
332 | ||
d1d964a0 | 333 | if (!strcmp(argv[0], "MACHINE") || !strcmp(argv[0], "RMACHINE")) |
334 | return MR_SUCCESS; | |
335 | ||
5eaef520 | 336 | return MR_PERM; |
73cf66ba | 337 | } |
338 | ||
339 | ||
340 | /* access_qgli - special access routine for Qualified_get_lists. Allows | |
341 | * access iff argv[0] == "TRUE" and argv[2] == "FALSE". | |
342 | */ | |
343 | ||
5eaef520 | 344 | int access_qgli(struct query *q, char *argv[], client *cl) |
73cf66ba | 345 | { |
5eaef520 | 346 | if (!strcmp(argv[0], "TRUE") && !strcmp(argv[2], "FALSE")) |
347 | return MR_SUCCESS; | |
348 | return MR_PERM; | |
73cf66ba | 349 | } |
350 | ||
351 | ||
352 | /* access_service - allow access if user is on ACL of service. Don't | |
353 | * allow access if a wildcard is used. | |
354 | */ | |
355 | ||
5eaef520 | 356 | int access_service(struct query *q, char *argv[], client *cl) |
73cf66ba | 357 | { |
5eaef520 | 358 | EXEC SQL BEGIN DECLARE SECTION; |
359 | int acl_id; | |
e688520a | 360 | char *name, acl_type[LIST_ACL_TYPE_SIZE]; |
5eaef520 | 361 | EXEC SQL END DECLARE SECTION; |
362 | int status; | |
363 | char *c; | |
364 | ||
365 | name = argv[0]; | |
366 | for (c = name; *c; c++) | |
367 | { | |
368 | if (islower(*c)) | |
369 | *c = toupper(*c); | |
370 | } | |
371 | EXEC SQL SELECT acl_id, acl_type INTO :acl_id, :acl_type FROM servers | |
372 | WHERE name = :name; | |
373 | if (sqlca.sqlerrd[2] > 1) | |
374 | return MR_PERM; | |
375 | ||
376 | /* check for client in access control list */ | |
377 | status = find_member(acl_type, acl_id, cl); | |
378 | if (!status) | |
379 | return MR_PERM; | |
380 | ||
381 | return MR_SUCCESS; | |
73cf66ba | 382 | } |
383 | ||
384 | ||
385 | /* access_filesys - verify that client is owner or on owners list of filesystem | |
386 | * named by argv[0] | |
387 | */ | |
388 | ||
5eaef520 | 389 | int access_filesys(struct query *q, char *argv[], client *cl) |
73cf66ba | 390 | { |
5eaef520 | 391 | EXEC SQL BEGIN DECLARE SECTION; |
392 | int users_id, list_id; | |
393 | char *name; | |
394 | EXEC SQL END DECLARE SECTION; | |
395 | int status; | |
396 | ||
397 | name = argv[0]; | |
398 | EXEC SQL SELECT owner, owners INTO :users_id, :list_id FROM filesys | |
399 | WHERE label = :name; | |
400 | ||
401 | if (sqlca.sqlerrd[2] != 1) | |
402 | return MR_PERM; | |
403 | if (users_id == cl->users_id) | |
404 | return MR_SUCCESS; | |
405 | status = find_member("LIST", list_id, cl); | |
406 | if (status) | |
407 | return MR_SUCCESS; | |
408 | else | |
409 | return MR_PERM; | |
73cf66ba | 410 | } |
411 | ||
1beb5e23 | 412 | |
413 | /* access_host - successful if owner of host, or subnet containing host | |
414 | */ | |
415 | ||
5eaef520 | 416 | int access_host(struct query *q, char *argv[], client *cl) |
1beb5e23 | 417 | { |
5eaef520 | 418 | EXEC SQL BEGIN DECLARE SECTION; |
4f6b1a05 | 419 | int mid, sid, id, subnet_status; |
e688520a | 420 | char mtype[MACHINE_OWNER_TYPE_SIZE], stype[SUBNET_OWNER_TYPE_SIZE]; |
4f6b1a05 | 421 | char *account_number; |
5eaef520 | 422 | EXEC SQL END DECLARE SECTION; |
e4ae0190 | 423 | int status, idx; |
424 | ||
425 | if (q->version < 6) | |
426 | idx = 0; | |
4f6b1a05 | 427 | else if (q->version >= 6 && q->version < 8) |
e4ae0190 | 428 | idx = 1; |
4f6b1a05 | 429 | else |
430 | idx = 2; | |
431 | ||
17f090e1 | 432 | if (q->type == RETRIEVE) |
433 | { | |
434 | if (strcmp(argv[0], "*") || strcmp(argv[1], "*") || | |
435 | strcmp(argv[2], "*") || strcmp(argv[3], "*")) | |
436 | return MR_SUCCESS; | |
437 | else | |
438 | return MR_PERM; | |
439 | } | |
9e252e6f | 440 | |
5eaef520 | 441 | if (q->type == APPEND) |
442 | { | |
17f090e1 | 443 | /* Non-query owner must set use to zero */ |
e4ae0190 | 444 | if (atoi(argv[6 + idx]) != 0) |
17f090e1 | 445 | return MR_PERM; |
446 | ||
9e252e6f | 447 | /* ... and start the hostname with a letter */ |
448 | if (isdigit(argv[0][0])) | |
449 | return MR_BAD_CHAR; | |
450 | ||
e4ae0190 | 451 | id = *(int *)argv[8 + idx]; |
4f6b1a05 | 452 | EXEC SQL SELECT s.owner_type, s.owner_id, s.status |
453 | INTO :stype, :sid, :subnet_status FROM subnet s | |
5eaef520 | 454 | WHERE s.snet_id = :id; |
455 | mid = 0; | |
17f090e1 | 456 | |
4f6b1a05 | 457 | /* Non query owner must provide valid billing information. */ |
458 | if (q->version >= 8) | |
459 | { | |
460 | if (subnet_status == SNET_STATUS_BILLABLE) | |
461 | { | |
462 | account_number = argv[7]; | |
463 | EXEC SQL SELECT account_number FROM accountnumbers | |
464 | WHERE account_number = :account_number; | |
465 | if (sqlca.sqlcode == SQL_NO_MATCH) | |
466 | return MR_ACCOUNT_NUMBER; | |
467 | } | |
468 | } | |
469 | ||
17f090e1 | 470 | if (find_member(stype, sid, cl)) |
5eaef520 | 471 | return MR_SUCCESS; |
472 | else | |
473 | return MR_PERM; | |
474 | } | |
17f090e1 | 475 | else /* q-type == UPDATE */ |
5eaef520 | 476 | { |
17f090e1 | 477 | EXEC SQL BEGIN DECLARE SECTION; |
478 | int status, acomment, use, ocomment, snid; | |
e688520a | 479 | char contact[MACHINE_CONTACT_SIZE], address[MACHINE_ADDRESS_SIZE]; |
9e252e6f | 480 | char name[MACHINE_NAME_SIZE]; |
e4ae0190 | 481 | char billing_contact[MACHINE_BILLING_CONTACT_SIZE]; |
17f090e1 | 482 | EXEC SQL END DECLARE SECTION; |
483 | ||
5eaef520 | 484 | id = *(int *)argv[0]; |
e4ae0190 | 485 | EXEC SQL SELECT m.name, m.use, m.contact, m.billing_contact, m.status, |
486 | m.address, m.owner_type, m.owner_id, m.acomment, m.ocomment, m.snet_id, | |
4f6b1a05 | 487 | s.owner_type, s.owner_id, s.status INTO :name, :use, :contact, |
488 | :billing_contact, :status, :address, :mtype, :mid, :acomment, | |
489 | :ocomment, :snid, :stype, :sid, :subnet_status | |
17f090e1 | 490 | FROM machine m, subnet s |
491 | WHERE m.mach_id = :id AND s.snet_id = m.snet_id; | |
492 | if (dbms_errno) | |
493 | return mr_errcode; | |
494 | ||
4f6b1a05 | 495 | /* Non query owner must provide valid billing information. */ |
496 | if (q->version >= 8) | |
497 | { | |
c862fa4e | 498 | if ((subnet_status == SNET_STATUS_BILLABLE) && |
499 | (atoi(argv[10]) != 3)) | |
4f6b1a05 | 500 | { |
501 | account_number = argv[8]; | |
502 | EXEC SQL SELECT account_number FROM accountnumbers | |
503 | WHERE account_number = :account_number; | |
504 | if (sqlca.sqlcode == SQL_NO_MATCH) | |
505 | return MR_ACCOUNT_NUMBER; | |
506 | } | |
507 | } | |
508 | ||
17f090e1 | 509 | /* non-query-owner cannot change use or ocomment */ |
e4ae0190 | 510 | if ((use != atoi(argv[7 + idx])) || (ocomment != *(int *)argv[14 + idx])) |
17f090e1 | 511 | return MR_PERM; |
512 | ||
9e252e6f | 513 | /* or rename to start with digit */ |
514 | if (isdigit(argv[1][0]) && strcmp(strtrim(name), argv[1])) | |
515 | return MR_BAD_CHAR; | |
516 | ||
17f090e1 | 517 | if (!find_member(stype, sid, cl)) |
518 | { | |
519 | if (find_member(mtype, mid, cl)) | |
520 | { | |
521 | /* host owner also cannot change contact, status, address, | |
522 | owner, or acomment */ | |
7617c632 | 523 | if (strcmp(argv[6], strtrim(contact)) || |
e4ae0190 | 524 | (status != atoi(argv[8 + idx])) || |
525 | strcmp(argv[10 + idx], strtrim(address)) || | |
526 | strcmp(argv[11 + idx], strtrim(mtype)) || | |
527 | (mid != *(int *)argv[12 + idx]) || | |
528 | (acomment != *(int *)argv[13 + idx])) | |
17f090e1 | 529 | return MR_PERM; |
e4ae0190 | 530 | /* Billing contact field didn't appear until version 6 */ |
531 | if (q->version >= 6) | |
7617c632 | 532 | if (strcmp(argv[7], strtrim(billing_contact))) |
e4ae0190 | 533 | return MR_PERM; |
17f090e1 | 534 | } |
535 | else | |
536 | return MR_PERM; | |
537 | } | |
538 | ||
539 | /* If moving to a new subnet, make sure user is on acl there */ | |
e4ae0190 | 540 | id = *(int *)argv[9 + idx]; |
17f090e1 | 541 | if (id != snid) |
542 | { | |
543 | EXEC SQL SELECT owner_type, owner_id INTO :stype, :sid | |
544 | FROM subnet WHERE snet_id=:id; | |
545 | if (!find_member(stype, sid, cl)) | |
546 | return MR_PERM; | |
547 | } | |
5eaef520 | 548 | |
5eaef520 | 549 | return MR_SUCCESS; |
1beb5e23 | 550 | } |
1beb5e23 | 551 | } |
552 | ||
553 | ||
554 | /* access_ahal - check for adding a host alias. | |
555 | * successful if host has less then 2 aliases and (client is owner of | |
556 | * host or subnet). | |
557 | * If deleting an alias, any owner will do. | |
558 | */ | |
559 | ||
5eaef520 | 560 | int access_ahal(struct query *q, char *argv[], client *cl) |
1beb5e23 | 561 | { |
5eaef520 | 562 | EXEC SQL BEGIN DECLARE SECTION; |
563 | int cnt, id, mid, sid; | |
e688520a | 564 | char mtype[MACHINE_OWNER_TYPE_SIZE], stype[SUBNET_OWNER_TYPE_SIZE]; |
5eaef520 | 565 | EXEC SQL END DECLARE SECTION; |
566 | int status; | |
567 | ||
568 | if (q->type == RETRIEVE) | |
569 | return MR_SUCCESS; | |
570 | ||
571 | id = *(int *)argv[1]; | |
572 | ||
9e252e6f | 573 | if (q->type == APPEND && isdigit(argv[0][0])) |
574 | return MR_BAD_CHAR; | |
575 | ||
5eaef520 | 576 | EXEC SQL SELECT count(name) INTO :cnt from hostalias WHERE mach_id = :id; |
577 | if (dbms_errno) | |
578 | return mr_errcode; | |
579 | /* if the type is APPEND, this is ahal and we need to make sure there | |
580 | * will be no more than 2 aliases. If it's not, it must be dhal and | |
581 | * any owner will do. | |
582 | */ | |
583 | if (q->type == APPEND && cnt >= 2) | |
584 | return MR_PERM; | |
585 | EXEC SQL SELECT m.owner_type, m.owner_id, s.owner_type, s.owner_id | |
586 | INTO :mtype, :mid, :stype, :sid FROM machine m, subnet s | |
587 | WHERE m.mach_id = :id and s.snet_id = m.snet_id; | |
588 | status = find_member(mtype, mid, cl); | |
589 | if (status) | |
590 | return MR_SUCCESS; | |
591 | status = find_member(stype, sid, cl); | |
592 | if (status) | |
593 | return MR_SUCCESS; | |
594 | else | |
595 | return MR_PERM; | |
1beb5e23 | 596 | } |
7cf83f0f | 597 | |
598 | ||
7cf83f0f | 599 | /* access_snt - check for retrieving network structure |
600 | */ | |
601 | ||
5eaef520 | 602 | int access_snt(struct query *q, char *argv[], client *cl) |
7cf83f0f | 603 | { |
5eaef520 | 604 | if (q->type == RETRIEVE) |
605 | return MR_SUCCESS; | |
7cf83f0f | 606 | |
5eaef520 | 607 | return MR_PERM; |
7cf83f0f | 608 | } |
1a9a0a59 | 609 | |
610 | ||
611 | /* access_printer */ | |
612 | int access_printer(struct query *q, char *argv[], client *cl) | |
613 | { | |
614 | EXEC SQL BEGIN DECLARE SECTION; | |
615 | char type[PRINTSERVERS_OWNER_TYPE_SIZE]; | |
616 | int id, mach_id; | |
617 | EXEC SQL END DECLARE SECTION; | |
618 | int status; | |
619 | ||
620 | mach_id = *(int *)argv[PRN_RM]; | |
621 | EXEC SQL SELECT owner_type, owner_id INTO :type, :id | |
622 | FROM printservers WHERE mach_id = :mach_id; | |
623 | if (sqlca.sqlcode) | |
624 | return MR_PERM; | |
625 | ||
626 | status = find_member(type, id, cl); | |
627 | if (status) | |
628 | return MR_SUCCESS; | |
629 | else | |
630 | return MR_PERM; | |
631 | } | |
d7ddc011 | 632 | |
633 | /* access_zephyr */ | |
634 | int access_zephyr(struct query *q, char *argv[], client *cl) | |
635 | { | |
636 | EXEC SQL BEGIN DECLARE SECTION; | |
637 | char type[ZEPHYR_OWNER_TYPE_SIZE]; | |
638 | char *class; | |
639 | int id; | |
640 | EXEC SQL END DECLARE SECTION; | |
641 | int status; | |
642 | ||
643 | class = argv[ZA_CLASS]; | |
644 | EXEC SQL SELECT owner_type, owner_id INTO :type, :id | |
645 | FROM zephyr WHERE class = :class; | |
646 | if (sqlca.sqlcode) | |
647 | return MR_PERM; | |
648 | ||
649 | status = find_member(type, id, cl); | |
650 | if (status) | |
651 | return MR_SUCCESS; | |
652 | else | |
653 | return MR_PERM; | |
654 | } | |
655 | ||
2fb668b0 | 656 | /* access_container - check access for most container operations |
657 | * | |
658 | * Inputs: argv[0] - cnt_id | |
659 | * q - query name | |
660 | * cl - client name | |
661 | * | |
662 | * - check if that client is a member of the access control list | |
663 | * - OR, if the query is add_machine_to_container or delete_machine_from_container | |
664 | * check if the client is a memeber of the mem_acl list | |
665 | * - if the query is update_container and the container is to be renamed and | |
666 | * it is a top-level container, only priviledged users can do it | |
667 | */ | |
668 | ||
669 | int access_container(struct query *q, char *argv[], client *cl) | |
670 | { | |
671 | EXEC SQL BEGIN DECLARE SECTION; | |
672 | int cnt_id, acl_id, memacl_id; | |
673 | char acl_type[CONTAINERS_ACL_TYPE_SIZE], memacl_type[CONTAINERS_ACL_TYPE_SIZE]; | |
674 | char name[CONTAINERS_NAME_SIZE], *newname; | |
675 | EXEC SQL END DECLARE SECTION; | |
676 | int status; | |
677 | ||
678 | cnt_id = *(int *)argv[0]; | |
679 | ||
680 | /* if amcn or dmcn, container id is the second argument */ | |
681 | if (strcmp(q->shortname, "amcn") == 0 || strcmp(q->shortname, "dmcn") == 0) | |
682 | cnt_id = *(int *)argv[1]; | |
683 | ||
684 | EXEC SQL SELECT acl_id, acl_type, memacl_id, memacl_type, name | |
685 | INTO :acl_id, :acl_type, :memacl_id, :memacl_type, :name | |
686 | FROM containers | |
687 | WHERE cnt_id = :cnt_id; | |
688 | ||
689 | if (sqlca.sqlerrd[2] != 1) | |
690 | return MR_INTERNAL; | |
691 | ||
692 | /* trim off the trailing spaces */ | |
693 | strcpy(name, strtrim(name)); | |
694 | ||
695 | /* if the query is update_container and the containers is to be renamed | |
696 | * and it is a top-level container, only dbadmin can do it */ | |
697 | if (!strcmp(q->shortname, "ucon")) | |
698 | { | |
699 | newname = argv[1]; | |
700 | if (strcmp(name, newname) && strchr(name, '/') == NULL) | |
701 | return MR_PERM; | |
702 | } | |
703 | ||
704 | /* check for client in access control list and return success right | |
705 | * away if it's there. */ | |
706 | if (find_member(acl_type, acl_id, cl)) | |
707 | return MR_SUCCESS; | |
708 | ||
709 | /* If not amcn, dmcn, we lose. */ | |
710 | if (strcmp(q->shortname, "amcn") && strcmp(q->shortname, "dmcn")) | |
711 | return MR_PERM; | |
712 | ||
713 | if (find_member(memacl_type, memacl_id, cl)) | |
714 | return MR_SUCCESS; | |
715 | ||
716 | /* Otherwise fail. */ | |
717 | return MR_PERM; | |
718 | } |