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Commit | Line | Data |
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d26cae4e | 1 | /* |
2 | * $Source$ | |
3 | * $Author$ | |
4 | * $Header$ | |
5 | * | |
83526631 | 6 | * Copyright (C) 1987, 1988 by the Massachusetts Institute of Technology |
7ee33a8d | 7 | * For copying and distribution information, please see the file |
8 | * <mit-copyright.h>. | |
faad6f39 | 9 | * |
d26cae4e | 10 | */ |
11 | ||
12 | #ifndef lint | |
13 | static char *rcsid_qrtn_qc = "$Header$"; | |
14 | #endif lint | |
15 | ||
7ee33a8d | 16 | #include <mit-copyright.h> |
97479f6f | 17 | #include "query.h" |
97479f6f | 18 | #include "sms_server.h" |
19 | ||
20 | char *Argv[16]; | |
21 | ||
ca7c2f3d | 22 | int ingres_errno = 0; |
23 | int sms_errcode = 0; | |
24 | ## int query_timeout = 30; | |
7536027d | 25 | extern char *whoami; |
83526631 | 26 | extern FILE *journal; |
97479f6f | 27 | |
8fcb440e | 28 | #define INGRES_BAD_INT 4111 |
29 | #define INGRES_BAD_DATE 4302 | |
4a7b7001 | 30 | #define INGRES_DEADLOCK 4700 |
ca7c2f3d | 31 | #define INGRES_TIMEOUT 4702 |
8fcb440e | 32 | |
d26cae4e | 33 | /* |
34 | * ingerr: (supposedly) called when Ingres indicates an error. | |
35 | * I have not yet been able to get this to work to intercept a | |
36 | * database open error. | |
37 | */ | |
38 | ||
39 | static int ingerr(num) | |
40 | int *num; | |
97479f6f | 41 | { |
ca7c2f3d | 42 | ingres_errno = *num; |
8fcb440e | 43 | |
44 | switch (*num) { | |
45 | case INGRES_BAD_INT: | |
ca7c2f3d | 46 | sms_errcode = SMS_INTEGER; |
8fcb440e | 47 | break; |
48 | case INGRES_BAD_DATE: | |
ca7c2f3d | 49 | sms_errcode = SMS_DATE; |
8fcb440e | 50 | break; |
4a7b7001 | 51 | case INGRES_DEADLOCK: |
ca7c2f3d | 52 | sms_errcode = SMS_DEADLOCK; |
7ee33a8d | 53 | com_err(whoami, 0, "INGRES deadlock detected"); |
ca7c2f3d | 54 | break; |
55 | case INGRES_TIMEOUT: | |
56 | sms_errcode = SMS_BUSY; | |
57 | com_err(whoami, 0, "timed out getting lock"); | |
4a7b7001 | 58 | break; |
8fcb440e | 59 | default: |
ca7c2f3d | 60 | sms_errcode = SMS_INGRES_ERR; |
8fcb440e | 61 | com_err(whoami, SMS_INGRES_ERR, " code %d\n", *num); |
0a7ae10e | 62 | critical_alert("SMS", "SMS server encountered INGRES ERROR %d", *num); |
8fcb440e | 63 | return (*num); |
64 | } | |
65 | return (0); | |
97479f6f | 66 | } |
67 | ||
d26cae4e | 68 | int sms_open_database() |
97479f6f | 69 | { |
d26cae4e | 70 | register int i; |
83526631 | 71 | char *malloc(); |
97479f6f | 72 | |
d26cae4e | 73 | /* initialize local argv */ |
74 | for (i = 0; i < 16; i++) | |
83526631 | 75 | Argv[i] = malloc(ARGLEN); |
97479f6f | 76 | |
d26cae4e | 77 | IIseterr(ingerr); |
97479f6f | 78 | |
d26cae4e | 79 | ingres_errno = 0; |
97479f6f | 80 | |
d26cae4e | 81 | /* open the database */ |
82 | ## ingres sms | |
ca7c2f3d | 83 | ## set lockmode session where level = table, timeout = query_timeout |
d26cae4e | 84 | return ingres_errno; |
97479f6f | 85 | } |
86 | ||
d26cae4e | 87 | int sms_close_database() |
97479f6f | 88 | { |
d26cae4e | 89 | ## exit |
97479f6f | 90 | } |
91 | ||
7536027d | 92 | sms_check_access(cl, name, argc, argv_ro) |
93 | client *cl; | |
94 | char *name; | |
95 | int argc; | |
96 | char *argv_ro[]; | |
97 | { | |
9969e1bc | 98 | struct query *q; |
7536027d | 99 | struct query *get_query_by_name(); |
7536027d | 100 | |
ca7c2f3d | 101 | ingres_errno = 0; |
102 | ||
83526631 | 103 | q = get_query_by_name(name, cl->args->sms_version_no); |
9969e1bc | 104 | if (q == (struct query *)0) |
105 | return(SMS_NO_HANDLE); | |
7536027d | 106 | |
9969e1bc | 107 | return(sms_verify_query(cl, q, argc, argv_ro)); |
7536027d | 108 | } |
109 | ||
110 | sms_process_query(cl, name, argc, argv_ro, action, actarg) | |
111 | client *cl; | |
d26cae4e | 112 | char *name; |
113 | int argc; | |
114 | char *argv_ro[]; | |
115 | int (*action)(); | |
116 | char *actarg; | |
97479f6f | 117 | { |
d26cae4e | 118 | register struct query *q; |
7536027d | 119 | register int status; |
7536027d | 120 | register struct validate *v; |
7536027d | 121 | char qual[256]; |
cc1231a1 | 122 | char sort[32]; |
7536027d | 123 | char *pqual; |
cc1231a1 | 124 | char *psort; |
7536027d | 125 | ## char *table; |
126 | struct save_queue *sq; | |
d26cae4e | 127 | struct query *get_query_by_name(); |
7536027d | 128 | int sq_save_args(); |
129 | struct save_queue *sq_create(); | |
cc1231a1 | 130 | char *build_sort(); |
d26cae4e | 131 | |
ca7c2f3d | 132 | ingres_errno = 0; |
133 | ||
7536027d | 134 | /* list queries command */ |
135 | if (!strcmp(name, "_list_queries")) { | |
83526631 | 136 | list_queries(cl->args->sms_version_no, action, actarg); |
7536027d | 137 | return(SMS_SUCCESS); |
138 | } | |
139 | ||
140 | /* help query command */ | |
141 | if (!strcmp(name, "_help")) { | |
83526631 | 142 | if (argc < 1) |
143 | return(SMS_ARGS); | |
144 | q = get_query_by_name(argv_ro[0], cl->args->sms_version_no); | |
7536027d | 145 | if (q == (struct query *)0) return(SMS_NO_HANDLE); |
146 | help_query(q, action, actarg); | |
147 | return(SMS_SUCCESS); | |
148 | } | |
149 | ||
150 | /* get query structure, return error if named query does not exist */ | |
83526631 | 151 | q = get_query_by_name(name, cl->args->sms_version_no); |
7536027d | 152 | if (q == (struct query *)0) return(SMS_NO_HANDLE); |
153 | v = q->validate; | |
154 | ||
7ee33a8d | 155 | if (q->type != RETRIEVE) { |
156 | ## set lockmode session where readlock = exclusive | |
d353058b | 157 | ## begin transaction |
7ee33a8d | 158 | } |
d353058b | 159 | |
9969e1bc | 160 | /* setup argument vector, verify access and arguments */ |
161 | if ((status = sms_verify_query(cl, q, argc, argv_ro)) != SMS_SUCCESS) | |
d353058b | 162 | goto out; |
7536027d | 163 | |
164 | /* perform any special query pre-processing */ | |
165 | if (v && v->pre_rtn) { | |
166 | status = (*v->pre_rtn)(q, Argv, cl, 0); | |
9969e1bc | 167 | if (status != SMS_SUCCESS) |
d353058b | 168 | goto out; |
7536027d | 169 | } |
170 | ||
d26cae4e | 171 | switch (q->type) { |
faad6f39 | 172 | case RETRIEVE: |
7536027d | 173 | /* for queries that do not permit wildcarding, check if row |
174 | uniquely exists */ | |
175 | if (v && v->field) { | |
176 | status = validate_row(q, Argv, v); | |
177 | if (status != SMS_EXISTS) break; | |
178 | } | |
179 | ||
180 | /* build "where" clause if needed */ | |
d26cae4e | 181 | if (q->qual) { |
182 | build_qual(q->qual, q->argc, Argv, qual); | |
7536027d | 183 | pqual = qual; |
184 | } else { | |
185 | pqual = 0; | |
186 | } | |
187 | ||
cc1231a1 | 188 | /* build "sort" clause if needed */ |
189 | if (v && v->valobj) { | |
190 | psort = build_sort(v, sort); | |
191 | } else { | |
192 | psort = 0; | |
193 | } | |
194 | ||
7536027d | 195 | /* if there is a followup routine, then we must save the results */ |
196 | /* of the first query for use by the followup routine */ | |
cc1231a1 | 197 | /* if q->rvar = NULL, perform post_rtn only */ |
198 | if (q->rvar) { | |
7536027d | 199 | if (v && v->post_rtn) { |
200 | sq = sq_create(); | |
cc1231a1 | 201 | status = do_retrieve(q, pqual, psort, sq_save_args, sq); |
7536027d | 202 | if (status != SMS_SUCCESS) { |
203 | sq_destroy(sq); | |
204 | break; | |
205 | } | |
83526631 | 206 | status = (*v->post_rtn)(q, sq, v, action, actarg, cl); |
7536027d | 207 | } else { |
208 | /* normal retrieve */ | |
cc1231a1 | 209 | status = do_retrieve(q, pqual, psort, action, actarg); |
7536027d | 210 | } |
211 | if (status != SMS_SUCCESS) break; | |
7536027d | 212 | } else { |
83526631 | 213 | status = (*v->post_rtn)(q, Argv, cl, action, actarg); |
7536027d | 214 | } |
215 | ||
d26cae4e | 216 | break; |
217 | ||
faad6f39 | 218 | case UPDATE: |
7536027d | 219 | /* see if row already exists */ |
220 | if (v->field) { | |
221 | status = validate_row(q, Argv, v); | |
222 | if (status != SMS_EXISTS) break; | |
223 | } | |
224 | ||
225 | /* build "where" clause and perform update */ | |
cc1231a1 | 226 | /* if q->rvar = NULL, perform post_rtn only */ |
227 | if (q->rvar) { | |
7536027d | 228 | build_qual(q->qual, q->argc, Argv, qual); |
229 | status = do_update(q, &Argv[q->argc], qual, action, actarg); | |
230 | if (status != SMS_SUCCESS) break; | |
cc1231a1 | 231 | table = q->rtable; |
37e49d47 | 232 | if (strcmp(q->shortname, "sshi") && strcmp(q->shortname, "ssif")) { |
233 | ## repeat replace tblstats (updates = tblstats.updates + 1, | |
234 | ## modtime = "now") | |
235 | ## where tblstats.#table = @table | |
236 | } | |
d26cae4e | 237 | } |
7536027d | 238 | |
239 | /* execute followup routine (if any) */ | |
83526631 | 240 | if (v->post_rtn) status = (*v->post_rtn)(q, Argv, cl); |
7536027d | 241 | |
d26cae4e | 242 | break; |
97479f6f | 243 | |
faad6f39 | 244 | case APPEND: |
7536027d | 245 | /* see if row already exists */ |
246 | if (v->field) { | |
247 | status = validate_row(q, Argv, v); | |
248 | if (status != SMS_NO_MATCH) break; | |
d26cae4e | 249 | } |
7536027d | 250 | |
251 | /* increment id number if necessary */ | |
d353058b | 252 | if (v->object_id) { |
83526631 | 253 | status = set_next_object_id(v->object_id, q->rtable); |
d353058b | 254 | if (status != SMS_SUCCESS) break; |
255 | } | |
7536027d | 256 | |
cc1231a1 | 257 | /* build "where" clause if needed */ |
258 | if (q->qual) { | |
259 | build_qual(q->qual, q->argc, Argv, qual); | |
260 | pqual = qual; | |
261 | } else { | |
262 | pqual = 0; | |
263 | } | |
264 | ||
7536027d | 265 | /* perform the append */ |
cc1231a1 | 266 | /* if q->rvar = NULL, perform post_rtn only */ |
267 | if (q->rvar) { | |
268 | status = do_append(q, &Argv[q->argc], pqual, action, actarg); | |
7536027d | 269 | if (status != SMS_SUCCESS) break; |
cc1231a1 | 270 | table = q->rtable; |
7536027d | 271 | ## repeat replace tblstats (appends = tblstats.appends + 1, |
272 | ## modtime = "now") | |
273 | ## where tblstats.#table = @table | |
274 | } | |
275 | ||
276 | /* execute followup routine */ | |
83526631 | 277 | if (v->post_rtn) status = (*v->post_rtn)(q, Argv, cl); |
d26cae4e | 278 | break; |
97479f6f | 279 | |
faad6f39 | 280 | case DELETE: |
7536027d | 281 | /* see if row already exists */ |
282 | if (v->field) { | |
283 | status = validate_row(q, Argv, v); | |
284 | if (status != SMS_EXISTS) break; | |
285 | } | |
286 | ||
287 | /* build "where" clause and perform delete */ | |
cc1231a1 | 288 | /* if q->rvar = NULL, perform post_rtn only */ |
289 | if (q->rvar) { | |
7536027d | 290 | build_qual(q->qual, q->argc, Argv, qual); |
291 | status = do_delete(q, qual, action, actarg); | |
292 | if (status != SMS_SUCCESS) break; | |
cc1231a1 | 293 | table = q->rtable; |
7536027d | 294 | ## repeat replace tblstats (deletes = tblstats.deletes + 1, |
295 | ## modtime = "now") | |
296 | ## where tblstats.#table = @table | |
97479f6f | 297 | } |
7536027d | 298 | |
299 | /* execute followup routine */ | |
83526631 | 300 | if (v->post_rtn) status = (*v->post_rtn)(q, Argv, cl); |
d26cae4e | 301 | break; |
7536027d | 302 | |
d26cae4e | 303 | } |
7536027d | 304 | |
d353058b | 305 | out: |
3df9e21e | 306 | if (q->type != RETRIEVE) { |
307 | if (status == SMS_SUCCESS) { | |
d353058b | 308 | ## end transaction /* commit to this */ |
83526631 | 309 | if (journal) { |
310 | char buf[1024], *bp; | |
311 | int i; | |
312 | extern time_t now; | |
313 | ||
314 | fprintf(journal, "%% %s %s %s", | |
315 | cl->clname, cl->entity, ctime(&now)); | |
316 | fprintf(journal, "%s[%d] ", q->name, cl->args->sms_version_no); | |
317 | for (i = 0; i < argc; i++) { | |
318 | if (i != 0) { | |
319 | putc(' ', journal); | |
320 | } | |
321 | requote(buf, argv_ro[i], sizeof(buf)); | |
322 | fputs(buf, journal); | |
323 | } | |
324 | putc('\n', journal); | |
325 | fflush(journal); | |
326 | } | |
3df9e21e | 327 | } else { |
ca7c2f3d | 328 | if (ingres_errno != INGRES_DEADLOCK) { |
7ee33a8d | 329 | ## abort /* it never happened */ |
330 | } | |
3df9e21e | 331 | } |
ca7c2f3d | 332 | ## set lockmode session where readlock = system |
333 | } | |
334 | ||
335 | if (status == SMS_SUCCESS && ingres_errno != 0) { | |
336 | critical_alert("SMS", "Server didn't notice INGRES ERROR %d", | |
337 | ingres_errno); | |
338 | status = SMS_INTERNAL; | |
3df9e21e | 339 | } |
7536027d | 340 | |
1bf7f927 | 341 | if (status != SMS_SUCCESS && log_flags & LOG_RES) |
342 | com_err(whoami, status, " (Query failed)"); | |
ca7c2f3d | 343 | /* until all the clients know about SMS_BUSY, convert this error |
344 | * to one they will recognize. | |
345 | */ | |
346 | if (status == SMS_BUSY) | |
347 | status = SMS_DEADLOCK; | |
7536027d | 348 | return(status); |
97479f6f | 349 | } |
350 | ||
351 | build_qual(fmt, argc, argv, qual) | |
352 | char *fmt; | |
353 | int argc; | |
354 | char *argv[]; | |
355 | char *qual; | |
356 | { | |
7536027d | 357 | register char *c; |
358 | register int i; | |
359 | char *args[4]; | |
83526631 | 360 | char *index(); |
7536027d | 361 | |
362 | c = fmt; | |
363 | for (i = 0; i < argc; i++) { | |
83526631 | 364 | c = index(c, '%'); |
7536027d | 365 | if (c++ == (char *)0) return(SMS_ARGS); |
366 | if (*c == 's') | |
367 | args[i] = argv[i]; | |
368 | else if (*c == 'd') | |
369 | *(int *)&args[i] = *(int *)argv[i]; /* sigh */ | |
370 | else | |
371 | return(SMS_INGRES_ERR); | |
372 | } | |
373 | ||
d26cae4e | 374 | switch (argc) { |
375 | case 0: | |
376 | strcpy(qual, fmt); | |
377 | break; | |
378 | ||
379 | case 1: | |
7536027d | 380 | sprintf(qual, fmt, args[0]); |
d26cae4e | 381 | break; |
382 | ||
383 | case 2: | |
7536027d | 384 | sprintf(qual, fmt, args[0], args[1]); |
d26cae4e | 385 | break; |
386 | ||
387 | case 3: | |
7536027d | 388 | sprintf(qual, fmt, args[0], args[1], args[2]); |
d26cae4e | 389 | break; |
390 | ||
391 | case 4: | |
7536027d | 392 | sprintf(qual, fmt, args[0], args[1], args[2], args[3]); |
d26cae4e | 393 | break; |
394 | } | |
83526631 | 395 | return(SMS_SUCCESS); |
97479f6f | 396 | } |
397 | ||
cc1231a1 | 398 | char * |
399 | build_sort(v, sort) | |
400 | register struct validate *v; | |
401 | char *sort; | |
402 | { | |
403 | register struct valobj *vo; | |
404 | register int n; | |
405 | char elem[16]; | |
406 | ||
407 | n = v->objcnt; | |
408 | vo = v->valobj; | |
409 | *sort = 0; | |
410 | ||
411 | while (--n >= 0) { | |
412 | if (vo->type == V_SORT) { | |
413 | sprintf(elem, "RET_VAR%d", vo->index + 1); | |
414 | if (*sort) strcat(sort, ", "); | |
415 | strcat(sort, elem); | |
416 | } | |
417 | vo++; | |
418 | } | |
419 | ||
420 | return ((*sort) ? sort : 0); | |
421 | } | |
422 | ||
9969e1bc | 423 | |
424 | /* Build arguement vector, verify query and arguments */ | |
425 | ||
426 | sms_verify_query(cl, q, argc, argv_ro) | |
427 | client *cl; | |
428 | struct query *q; | |
429 | int argc; | |
430 | char *argv_ro[]; | |
431 | { | |
432 | register int argreq; | |
433 | register int status; | |
434 | register struct validate *v = q->validate; | |
435 | register int i; | |
436 | register int privileged = 0; | |
02d466cf | 437 | int len; |
9969e1bc | 438 | |
439 | /* copy the arguments into a local argv that we can modify */ | |
7ee33a8d | 440 | if (argc >= QMAXARGS) |
441 | return(SMS_ARGS); | |
9969e1bc | 442 | for (i = 0; i < argc; i++) { |
02d466cf | 443 | if ((len = strlen(argv_ro[i])) < ARGLEN) |
9969e1bc | 444 | strcpy(Argv[i], argv_ro[i]); |
445 | else | |
446 | return(SMS_ARG_TOO_LONG); | |
02d466cf | 447 | if (Argv[i][len-1] == '\\') |
448 | return(SMS_BAD_CHAR); | |
9969e1bc | 449 | } |
450 | ||
451 | /* check initial query access */ | |
452 | status = check_query_access(q, Argv, cl); | |
453 | if (status != SMS_SUCCESS && status != SMS_PERM) | |
454 | return(status); | |
455 | if (status == SMS_SUCCESS) | |
456 | privileged++; | |
457 | ||
458 | /* check argument count */ | |
459 | argreq = q->argc; | |
460 | if (q->type == UPDATE || q->type == APPEND) argreq += q->vcnt; | |
461 | if (argc != argreq) return(SMS_ARGS); | |
462 | ||
463 | /* validate arguments */ | |
464 | if (v && v->valobj) { | |
465 | status = validate_fields(q, Argv, v->valobj, v->objcnt); | |
466 | if (status != SMS_SUCCESS) return(status); | |
467 | } | |
468 | ||
469 | /* perform special query access check */ | |
470 | if (!privileged && v && v->acs_rtn) { | |
471 | status = (*v->acs_rtn)(q, Argv, cl); | |
472 | if (status != SMS_SUCCESS && status != SMS_PERM) | |
473 | return(status); | |
474 | if (status == SMS_SUCCESS) | |
475 | privileged++; | |
476 | } | |
477 | ||
478 | return(privileged ? SMS_SUCCESS : SMS_PERM); | |
479 | } | |
480 | ||
7536027d | 481 | check_query_access(q, argv, cl) |
482 | struct query *q; | |
483 | char *argv[]; | |
484 | client *cl; | |
d26cae4e | 485 | ##{ |
7536027d | 486 | ## char *name; |
487 | ## int acl_id; | |
488 | ## int exists; | |
d26cae4e | 489 | ## int rowcount; |
cc1231a1 | 490 | ## int errorno; |
7536027d | 491 | ## static int def_uid; |
492 | int status; | |
493 | int client_id; | |
494 | char *client_type; | |
495 | ||
496 | /* get query access control list */ | |
497 | name = q->shortname; | |
498 | ## repeat retrieve (acl_id = capacls.list_id) where capacls.tag = @name | |
cc1231a1 | 499 | ## inquire_equel (rowcount = "rowcount", errorno = "errorno") |
500 | if (errorno != 0) return(SMS_INGRES_ERR); | |
7536027d | 501 | if (rowcount == 0) return(SMS_PERM); |
d26cae4e | 502 | |
7536027d | 503 | /* initialize default uid */ |
504 | if (def_uid == 0) { | |
505 | ## retrieve (def_uid = users.users_id) where users.login = "default" | |
d26cae4e | 506 | } |
97479f6f | 507 | |
7536027d | 508 | /* check for default access */ |
509 | ## range of m is members | |
510 | ## repeat retrieve (exists = any(m.#member_id where m.list_id = @acl_id and | |
511 | ## m.member_type = "USER" and m.#member_id = def_uid)) | |
512 | if (exists) return(SMS_SUCCESS); | |
513 | ||
514 | /* parse client name */ | |
515 | status = get_client(cl, &client_type, &client_id); | |
516 | if (status != SMS_SUCCESS) return(status); | |
517 | ||
7536027d | 518 | /* see if client is in the list (or any of its sub-lists) */ |
83526631 | 519 | exists = find_member("LIST", acl_id, client_type, client_id, 0); |
7536027d | 520 | return ((exists) ? SMS_SUCCESS : SMS_PERM); |
521 | ##} | |
97479f6f | 522 | |
7536027d | 523 | get_client(cl, client_type, client_id) |
524 | client *cl; | |
525 | char **client_type; | |
526 | int *client_id; | |
527 | ##{ | |
528 | struct krbname *krb; | |
529 | ## int member_id; | |
530 | ## char *name; | |
531 | ## int rowcount; | |
532 | ||
6ec81cbf | 533 | if (cl->clname == NULL) |
534 | return SMS_PERM; | |
535 | ||
19bf23eb | 536 | /* for now ignore instances */ |
7536027d | 537 | krb = &cl->kname; |
7536027d | 538 | |
539 | /* if client is from local realm, get users_id */ | |
540 | if (!strcmp(krb->realm, krb_realm)) { | |
83526631 | 541 | *client_id = cl->users_id; |
7536027d | 542 | *client_type = "USER"; |
83526631 | 543 | return(SMS_SUCCESS); |
7536027d | 544 | } |
83526631 | 545 | |
546 | /* otherwise use string_id */ | |
547 | name = cl->clname; | |
548 | ## repeat retrieve (member_id = strings.string_id) | |
549 | ## where strings.string = @name | |
7536027d | 550 | |
551 | /* make sure we found a users or string id */ | |
d26cae4e | 552 | ## inquire_equel (rowcount = "rowcount") |
7536027d | 553 | if (rowcount == 0) return(SMS_PERM); |
554 | ||
83526631 | 555 | *client_type = "STRING"; |
7536027d | 556 | *client_id = member_id; |
557 | return(SMS_SUCCESS); | |
558 | ##} | |
97479f6f | 559 | |
83526631 | 560 | ##find_member(list_type, list_id, member_type, member_id, sq) |
561 | char *list_type; | |
7536027d | 562 | ## int list_id; |
563 | ## char *member_type; | |
564 | ## int member_id; | |
565 | struct save_queue *sq; | |
566 | ##{ | |
567 | ## int exists; | |
568 | ## int sublist; | |
569 | int child; | |
570 | struct save_queue *sq_create(); | |
571 | ||
e45a151a | 572 | if (!strcmp(strtrim(list_type), strtrim(member_type)) && |
573 | list_id == member_id) | |
574 | return(1); | |
575 | ||
7536027d | 576 | /* see if client is a direct member of list */ |
577 | ## repeat retrieve (exists = any(m.#member_id where | |
578 | ## m.#list_id = @list_id and | |
579 | ## m.#member_type = @member_type and | |
580 | ## m.#member_id = @member_id)) | |
581 | if (exists) return(1); | |
582 | ||
583 | /* are there any sub-lists? */ | |
7536027d | 584 | ## repeat retrieve (exists = any(m.#member_id where m.#list_id = @list_id and |
585 | ## m.#member_type = "LIST")) | |
586 | if (!exists) return(0); | |
587 | ||
588 | /* yes; now recurse through sublists */ | |
589 | ||
590 | /* create a save queue */ | |
591 | if (sq == (struct save_queue *)0) { | |
592 | sq = sq_create(); | |
593 | child = 0; | |
594 | } else { | |
595 | child = 1; | |
d26cae4e | 596 | } |
97479f6f | 597 | |
7536027d | 598 | /* save all sublist ids */ |
599 | ## range of m is members | |
600 | ## retrieve (sublist = m.#member_id) | |
601 | ## where m.#list_id = list_id and m.#member_type = "LIST" | |
602 | ## { | |
603 | sq_save_unique_data(sq, sublist); | |
604 | ## } | |
605 | ||
83526631 | 606 | if (child) return(0); |
7536027d | 607 | |
7536027d | 608 | /* at top-level, check sub-lists for client (breadth-first search) */ |
609 | while (sq_get_data(sq, &sublist)) { | |
83526631 | 610 | exists = find_member(list_type, sublist, member_type, member_id, sq); |
7536027d | 611 | if (exists) { |
612 | sq_destroy(sq); | |
613 | return(1); | |
614 | } | |
615 | } | |
83526631 | 616 | sq_destroy(sq); |
617 | return(0); | |
d26cae4e | 618 | ##} |
97479f6f | 619 | |
83526631 | 620 | |
cc1231a1 | 621 | do_retrieve(q, pqual, psort, action, actarg) |
d26cae4e | 622 | register struct query *q; |
cc1231a1 | 623 | char *pqual; |
624 | char *psort; | |
d26cae4e | 625 | int (*action)(); |
626 | char *actarg; | |
627 | ##{ | |
628 | ## char *rvar; | |
629 | ## char *rtable; | |
630 | ## char *cqual; | |
cc1231a1 | 631 | ## char *csort; |
d26cae4e | 632 | ## int rowcount; |
cc1231a1 | 633 | ## int errorno; |
83526631 | 634 | static char **vaddrs = (char **)NULL; |
635 | ||
636 | if (!vaddrs) { | |
637 | register int i; | |
638 | ||
639 | if ((vaddrs = (char **)malloc(sizeof(char *) * QMAXARGS)) == NULL) { | |
640 | com_err(whoami, SMS_NO_MEM, "setting up static argv"); | |
641 | exit(1); | |
642 | } | |
643 | for (i = 0; i < QMAXARGS; i++) { | |
644 | if ((vaddrs[i] = malloc(QMAXARGSIZE)) == NULL) { | |
645 | com_err(whoami, SMS_NO_MEM, "setting up static argv"); | |
646 | exit(1); | |
647 | } | |
648 | } | |
649 | } | |
7536027d | 650 | |
d26cae4e | 651 | if (q->rvar) { |
652 | rvar = q->rvar; | |
653 | rtable = q->rtable; | |
654 | ## range of rvar is rtable | |
655 | } | |
97479f6f | 656 | |
cc1231a1 | 657 | if (psort) { |
658 | csort = psort; | |
659 | if (pqual) { | |
660 | cqual = pqual; | |
83526631 | 661 | ## retrieve unique (param (q->tlist, vaddrs)) where cqual |
cc1231a1 | 662 | ## sort by csort |
663 | ## { | |
83526631 | 664 | (*action)(q->vcnt, vaddrs, actarg); |
cc1231a1 | 665 | ## } |
666 | } else { | |
83526631 | 667 | ## retrieve unique (param (q->tlist, vaddrs)) |
cc1231a1 | 668 | ## sort by csort |
669 | ## { | |
83526631 | 670 | (*action)(q->vcnt, vaddrs, actarg); |
cc1231a1 | 671 | ## } |
672 | } | |
673 | ||
7536027d | 674 | } else { |
cc1231a1 | 675 | if (pqual) { |
676 | cqual = pqual; | |
83526631 | 677 | ## retrieve unique (param (q->tlist, vaddrs)) where cqual |
cc1231a1 | 678 | ## { |
83526631 | 679 | (*action)(q->vcnt, vaddrs, actarg); |
cc1231a1 | 680 | ## } |
681 | } else { | |
83526631 | 682 | ## retrieve unique (param (q->tlist, vaddrs)) |
cc1231a1 | 683 | ## { |
83526631 | 684 | (*action)(q->vcnt, vaddrs, actarg); |
cc1231a1 | 685 | ## } |
686 | } | |
7536027d | 687 | } |
97479f6f | 688 | |
cc1231a1 | 689 | ## inquire_equel (rowcount = "rowcount", errorno = "errorno") |
690 | if (errorno != 0) return(SMS_INGRES_ERR); | |
7536027d | 691 | return ((rowcount == 0) ? SMS_NO_MATCH : SMS_SUCCESS); |
d26cae4e | 692 | ##} |
97479f6f | 693 | |
e38c941b | 694 | do_update(q, argv, qual, action, actarg) |
d26cae4e | 695 | register struct query *q; |
696 | char *argv[]; | |
697 | char *qual; | |
698 | int (*action)(); | |
699 | char *actarg; | |
700 | ##{ | |
701 | ## char *rvar; | |
702 | ## char *rtable; | |
703 | ## char *cqual; | |
cc1231a1 | 704 | ## int errorno; |
97479f6f | 705 | |
d26cae4e | 706 | rvar = q->rvar; |
707 | rtable = q->rtable; | |
708 | ## range of rvar is rtable | |
97479f6f | 709 | |
d26cae4e | 710 | cqual = qual; |
711 | ## replace rvar (param (q->tlist, argv)) | |
712 | ## where cqual | |
97479f6f | 713 | |
cc1231a1 | 714 | ## inquire_equel (errorno = "errorno") |
4a7b7001 | 715 | if (errorno == INGRES_BAD_INT) |
8fcb440e | 716 | return(SMS_INTEGER); |
717 | else if (errorno != 0) | |
718 | return(SMS_INGRES_ERR); | |
7536027d | 719 | return(SMS_SUCCESS); |
d26cae4e | 720 | ##} |
97479f6f | 721 | |
cc1231a1 | 722 | do_append(q, argv, pqual, action, actarg) |
d26cae4e | 723 | register struct query *q; |
724 | char *argv[]; | |
cc1231a1 | 725 | char *pqual; |
d26cae4e | 726 | int (*action)(); |
727 | char *actarg; | |
728 | ##{ | |
729 | ## char *rvar; | |
730 | ## char *rtable; | |
7536027d | 731 | ## char *cqual; |
cc1231a1 | 732 | ## int errorno; |
97479f6f | 733 | |
d26cae4e | 734 | rvar = q->rvar; |
735 | rtable = q->rtable; | |
736 | ## range of rvar is rtable | |
97479f6f | 737 | |
cc1231a1 | 738 | if (pqual) { |
739 | cqual = pqual; | |
7536027d | 740 | ## append to rtable (param (q->tlist, argv)) where cqual |
741 | } else { | |
742 | ## append to rtable (param (q->tlist, argv)) | |
743 | } | |
97479f6f | 744 | |
cc1231a1 | 745 | ## inquire_equel (errorno = "errorno") |
8fcb440e | 746 | if (errorno == INGRES_BAD_INT) |
747 | return(SMS_INTEGER); | |
748 | else if (errorno != 0) | |
749 | return(SMS_INGRES_ERR); | |
7536027d | 750 | return(SMS_SUCCESS); |
d26cae4e | 751 | ##} |
97479f6f | 752 | |
e38c941b | 753 | do_delete(q, qual, action, actarg) |
d26cae4e | 754 | register struct query *q; |
755 | char *qual; | |
756 | int (*action)(); | |
757 | char *actarg; | |
758 | ##{ | |
759 | ## char *rvar; | |
760 | ## char *rtable; | |
761 | ## char *cqual; | |
cc1231a1 | 762 | ## int errorno; |
97479f6f | 763 | |
d26cae4e | 764 | rvar = q->rvar; |
765 | rtable = q->rtable; | |
766 | ## range of rvar is rtable | |
97479f6f | 767 | |
d26cae4e | 768 | cqual = qual; |
769 | ## delete rvar where cqual | |
97479f6f | 770 | |
cc1231a1 | 771 | ## inquire_equel (errorno = "errorno") |
772 | if (errorno != 0) return(SMS_INGRES_ERR); | |
7536027d | 773 | return(SMS_SUCCESS); |
d26cae4e | 774 | ##} |
97479f6f | 775 | |
d26cae4e | 776 | |
83526631 | 777 | /** |
778 | ** set_next_object_id - set next object id in values table | |
779 | ** | |
780 | ** Inputs: object - object name in values table and in objects | |
781 | ** table - name of table objects are found in | |
782 | ** | |
783 | ** - called before an APPEND operation to set the next object id to | |
784 | ** be used for the new record to the next free value | |
785 | ** | |
786 | **/ | |
787 | ||
788 | set_next_object_id(object, table) | |
789 | char *object; | |
790 | char *table; | |
791 | ##{ | |
792 | ## char *name, *tbl; | |
793 | ## int rowcount, exists, value; | |
794 | ||
795 | name = object; | |
796 | tbl = table; | |
797 | ## range of v is values | |
798 | ## repeat retrieve (value = v.#value) where v.#name = @name | |
799 | ## inquire_equel(rowcount = "rowcount") | |
800 | if (rowcount != 1) | |
8fcb440e | 801 | return(SMS_NO_ID); |
83526631 | 802 | |
803 | ## retrieve (exists = any(tbl.name where tbl.name = value)) | |
804 | ## inquire_equel(rowcount = "rowcount") | |
805 | if (rowcount != 1) | |
8fcb440e | 806 | return(SMS_NO_ID); |
83526631 | 807 | while (exists) { |
808 | value++; | |
8fcb440e | 809 | if (value > MAX_ID_VALUE) |
810 | value = MIN_ID_VALUE; | |
83526631 | 811 | ## retrieve (exists = any(tbl.name where tbl.name = value)) |
812 | } | |
813 | ||
814 | if (LOG_RES) | |
815 | com_err(whoami, 0, "setting ID %s to %d", name, value); | |
816 | ## repeat replace v (#value = @value) where v.#name = @name | |
817 | return(SMS_SUCCESS); | |
818 | ##} | |
819 | ||
820 | ||
821 | /* For now this just checks the argc's. It should also see that there | |
822 | * are no duplicate names. | |
823 | */ | |
824 | ||
825 | sanity_check_queries() | |
826 | { | |
827 | register int i; | |
828 | int maxv = 0, maxa = 0; | |
829 | extern int QueryCount1, QueryCount2; | |
830 | extern struct query Queries1[], Queries2[]; | |
831 | #define MAX(x,y) ((x) > (y) ? (x) : (y)) | |
832 | ||
833 | for (i = 0; i < QueryCount1; i++) { | |
834 | maxv = MAX(maxv, Queries1[i].vcnt); | |
835 | maxa = MAX(maxa, Queries1[i].argc); | |
836 | } | |
837 | for (i = 0; i < QueryCount2; i++) { | |
838 | maxv = MAX(maxv, Queries2[i].vcnt); | |
839 | maxa = MAX(maxa, Queries2[i].argc); | |
840 | } | |
841 | if (MAX(maxv, maxa) > QMAXARGS) { | |
842 | com_err(whoami, 0, "A query has more args than QMAXARGS"); | |
843 | exit(1); | |
844 | } | |
845 | } |