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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 |
45266a6f | 84 | ## set lockmode on capacls where readlock = shared |
85 | ## set lockmode on alias where readlock = shared | |
d26cae4e | 86 | return ingres_errno; |
97479f6f | 87 | } |
88 | ||
d26cae4e | 89 | int sms_close_database() |
97479f6f | 90 | { |
d26cae4e | 91 | ## exit |
97479f6f | 92 | } |
93 | ||
7536027d | 94 | sms_check_access(cl, name, argc, argv_ro) |
95 | client *cl; | |
96 | char *name; | |
97 | int argc; | |
98 | char *argv_ro[]; | |
99 | { | |
9969e1bc | 100 | struct query *q; |
7536027d | 101 | struct query *get_query_by_name(); |
7536027d | 102 | |
ca7c2f3d | 103 | ingres_errno = 0; |
104 | ||
83526631 | 105 | q = get_query_by_name(name, cl->args->sms_version_no); |
9969e1bc | 106 | if (q == (struct query *)0) |
107 | return(SMS_NO_HANDLE); | |
7536027d | 108 | |
9969e1bc | 109 | return(sms_verify_query(cl, q, argc, argv_ro)); |
7536027d | 110 | } |
111 | ||
112 | sms_process_query(cl, name, argc, argv_ro, action, actarg) | |
113 | client *cl; | |
d26cae4e | 114 | char *name; |
115 | int argc; | |
116 | char *argv_ro[]; | |
117 | int (*action)(); | |
118 | char *actarg; | |
97479f6f | 119 | { |
d26cae4e | 120 | register struct query *q; |
7536027d | 121 | register int status; |
7536027d | 122 | register struct validate *v; |
7536027d | 123 | char qual[256]; |
cc1231a1 | 124 | char sort[32]; |
7536027d | 125 | char *pqual; |
cc1231a1 | 126 | char *psort; |
7536027d | 127 | ## char *table; |
128 | struct save_queue *sq; | |
d26cae4e | 129 | struct query *get_query_by_name(); |
7536027d | 130 | int sq_save_args(); |
131 | struct save_queue *sq_create(); | |
cc1231a1 | 132 | char *build_sort(); |
d26cae4e | 133 | |
ca7c2f3d | 134 | ingres_errno = 0; |
135 | ||
7536027d | 136 | /* list queries command */ |
137 | if (!strcmp(name, "_list_queries")) { | |
83526631 | 138 | list_queries(cl->args->sms_version_no, action, actarg); |
7536027d | 139 | return(SMS_SUCCESS); |
140 | } | |
141 | ||
142 | /* help query command */ | |
143 | if (!strcmp(name, "_help")) { | |
83526631 | 144 | if (argc < 1) |
145 | return(SMS_ARGS); | |
146 | q = get_query_by_name(argv_ro[0], cl->args->sms_version_no); | |
7536027d | 147 | if (q == (struct query *)0) return(SMS_NO_HANDLE); |
148 | help_query(q, action, actarg); | |
149 | return(SMS_SUCCESS); | |
150 | } | |
151 | ||
152 | /* get query structure, return error if named query does not exist */ | |
83526631 | 153 | q = get_query_by_name(name, cl->args->sms_version_no); |
7536027d | 154 | if (q == (struct query *)0) return(SMS_NO_HANDLE); |
155 | v = q->validate; | |
156 | ||
7ee33a8d | 157 | if (q->type != RETRIEVE) { |
158 | ## set lockmode session where readlock = exclusive | |
d353058b | 159 | ## begin transaction |
7ee33a8d | 160 | } |
d353058b | 161 | |
9969e1bc | 162 | /* setup argument vector, verify access and arguments */ |
163 | if ((status = sms_verify_query(cl, q, argc, argv_ro)) != SMS_SUCCESS) | |
d353058b | 164 | goto out; |
7536027d | 165 | |
166 | /* perform any special query pre-processing */ | |
167 | if (v && v->pre_rtn) { | |
168 | status = (*v->pre_rtn)(q, Argv, cl, 0); | |
9969e1bc | 169 | if (status != SMS_SUCCESS) |
d353058b | 170 | goto out; |
7536027d | 171 | } |
172 | ||
d26cae4e | 173 | switch (q->type) { |
faad6f39 | 174 | case RETRIEVE: |
7536027d | 175 | /* for queries that do not permit wildcarding, check if row |
176 | uniquely exists */ | |
177 | if (v && v->field) { | |
178 | status = validate_row(q, Argv, v); | |
179 | if (status != SMS_EXISTS) break; | |
180 | } | |
181 | ||
182 | /* build "where" clause if needed */ | |
d26cae4e | 183 | if (q->qual) { |
184 | build_qual(q->qual, q->argc, Argv, qual); | |
7536027d | 185 | pqual = qual; |
186 | } else { | |
187 | pqual = 0; | |
188 | } | |
189 | ||
cc1231a1 | 190 | /* build "sort" clause if needed */ |
191 | if (v && v->valobj) { | |
192 | psort = build_sort(v, sort); | |
193 | } else { | |
194 | psort = 0; | |
195 | } | |
196 | ||
7536027d | 197 | /* if there is a followup routine, then we must save the results */ |
198 | /* of the first query for use by the followup routine */ | |
cc1231a1 | 199 | /* if q->rvar = NULL, perform post_rtn only */ |
200 | if (q->rvar) { | |
7536027d | 201 | if (v && v->post_rtn) { |
202 | sq = sq_create(); | |
cc1231a1 | 203 | status = do_retrieve(q, pqual, psort, sq_save_args, sq); |
7536027d | 204 | if (status != SMS_SUCCESS) { |
205 | sq_destroy(sq); | |
206 | break; | |
207 | } | |
83526631 | 208 | status = (*v->post_rtn)(q, sq, v, action, actarg, cl); |
7536027d | 209 | } else { |
210 | /* normal retrieve */ | |
cc1231a1 | 211 | status = do_retrieve(q, pqual, psort, action, actarg); |
7536027d | 212 | } |
213 | if (status != SMS_SUCCESS) break; | |
7536027d | 214 | } else { |
83526631 | 215 | status = (*v->post_rtn)(q, Argv, cl, action, actarg); |
7536027d | 216 | } |
217 | ||
d26cae4e | 218 | break; |
219 | ||
faad6f39 | 220 | case UPDATE: |
7536027d | 221 | /* see if row already exists */ |
222 | if (v->field) { | |
223 | status = validate_row(q, Argv, v); | |
224 | if (status != SMS_EXISTS) break; | |
225 | } | |
226 | ||
227 | /* build "where" clause and perform update */ | |
cc1231a1 | 228 | /* if q->rvar = NULL, perform post_rtn only */ |
229 | if (q->rvar) { | |
7536027d | 230 | build_qual(q->qual, q->argc, Argv, qual); |
231 | status = do_update(q, &Argv[q->argc], qual, action, actarg); | |
232 | if (status != SMS_SUCCESS) break; | |
cc1231a1 | 233 | table = q->rtable; |
37e49d47 | 234 | if (strcmp(q->shortname, "sshi") && strcmp(q->shortname, "ssif")) { |
235 | ## repeat replace tblstats (updates = tblstats.updates + 1, | |
236 | ## modtime = "now") | |
237 | ## where tblstats.#table = @table | |
238 | } | |
d26cae4e | 239 | } |
7536027d | 240 | |
241 | /* execute followup routine (if any) */ | |
83526631 | 242 | if (v->post_rtn) status = (*v->post_rtn)(q, Argv, cl); |
7536027d | 243 | |
d26cae4e | 244 | break; |
97479f6f | 245 | |
faad6f39 | 246 | case APPEND: |
7536027d | 247 | /* see if row already exists */ |
248 | if (v->field) { | |
249 | status = validate_row(q, Argv, v); | |
250 | if (status != SMS_NO_MATCH) break; | |
d26cae4e | 251 | } |
7536027d | 252 | |
253 | /* increment id number if necessary */ | |
d353058b | 254 | if (v->object_id) { |
83526631 | 255 | status = set_next_object_id(v->object_id, q->rtable); |
d353058b | 256 | if (status != SMS_SUCCESS) break; |
257 | } | |
7536027d | 258 | |
cc1231a1 | 259 | /* build "where" clause if needed */ |
260 | if (q->qual) { | |
261 | build_qual(q->qual, q->argc, Argv, qual); | |
262 | pqual = qual; | |
263 | } else { | |
264 | pqual = 0; | |
265 | } | |
266 | ||
7536027d | 267 | /* perform the append */ |
cc1231a1 | 268 | /* if q->rvar = NULL, perform post_rtn only */ |
269 | if (q->rvar) { | |
270 | status = do_append(q, &Argv[q->argc], pqual, action, actarg); | |
7536027d | 271 | if (status != SMS_SUCCESS) break; |
cc1231a1 | 272 | table = q->rtable; |
7536027d | 273 | ## repeat replace tblstats (appends = tblstats.appends + 1, |
274 | ## modtime = "now") | |
275 | ## where tblstats.#table = @table | |
276 | } | |
277 | ||
278 | /* execute followup routine */ | |
83526631 | 279 | if (v->post_rtn) status = (*v->post_rtn)(q, Argv, cl); |
d26cae4e | 280 | break; |
97479f6f | 281 | |
faad6f39 | 282 | case DELETE: |
7536027d | 283 | /* see if row already exists */ |
284 | if (v->field) { | |
285 | status = validate_row(q, Argv, v); | |
286 | if (status != SMS_EXISTS) break; | |
287 | } | |
288 | ||
289 | /* build "where" clause and perform delete */ | |
cc1231a1 | 290 | /* if q->rvar = NULL, perform post_rtn only */ |
291 | if (q->rvar) { | |
7536027d | 292 | build_qual(q->qual, q->argc, Argv, qual); |
293 | status = do_delete(q, qual, action, actarg); | |
294 | if (status != SMS_SUCCESS) break; | |
cc1231a1 | 295 | table = q->rtable; |
7536027d | 296 | ## repeat replace tblstats (deletes = tblstats.deletes + 1, |
297 | ## modtime = "now") | |
298 | ## where tblstats.#table = @table | |
97479f6f | 299 | } |
7536027d | 300 | |
301 | /* execute followup routine */ | |
83526631 | 302 | if (v->post_rtn) status = (*v->post_rtn)(q, Argv, cl); |
d26cae4e | 303 | break; |
7536027d | 304 | |
d26cae4e | 305 | } |
7536027d | 306 | |
d353058b | 307 | out: |
3df9e21e | 308 | if (q->type != RETRIEVE) { |
309 | if (status == SMS_SUCCESS) { | |
d353058b | 310 | ## end transaction /* commit to this */ |
83526631 | 311 | if (journal) { |
312 | char buf[1024], *bp; | |
313 | int i; | |
314 | extern time_t now; | |
315 | ||
316 | fprintf(journal, "%% %s %s %s", | |
317 | cl->clname, cl->entity, ctime(&now)); | |
318 | fprintf(journal, "%s[%d] ", q->name, cl->args->sms_version_no); | |
319 | for (i = 0; i < argc; i++) { | |
320 | if (i != 0) { | |
321 | putc(' ', journal); | |
322 | } | |
323 | requote(buf, argv_ro[i], sizeof(buf)); | |
324 | fputs(buf, journal); | |
325 | } | |
326 | putc('\n', journal); | |
327 | fflush(journal); | |
328 | } | |
3df9e21e | 329 | } else { |
ca7c2f3d | 330 | if (ingres_errno != INGRES_DEADLOCK) { |
7ee33a8d | 331 | ## abort /* it never happened */ |
332 | } | |
3df9e21e | 333 | } |
ca7c2f3d | 334 | ## set lockmode session where readlock = system |
335 | } | |
336 | ||
337 | if (status == SMS_SUCCESS && ingres_errno != 0) { | |
338 | critical_alert("SMS", "Server didn't notice INGRES ERROR %d", | |
339 | ingres_errno); | |
340 | status = SMS_INTERNAL; | |
3df9e21e | 341 | } |
7536027d | 342 | |
1bf7f927 | 343 | if (status != SMS_SUCCESS && log_flags & LOG_RES) |
344 | com_err(whoami, status, " (Query failed)"); | |
ca7c2f3d | 345 | /* until all the clients know about SMS_BUSY, convert this error |
346 | * to one they will recognize. | |
347 | */ | |
348 | if (status == SMS_BUSY) | |
349 | status = SMS_DEADLOCK; | |
7536027d | 350 | return(status); |
97479f6f | 351 | } |
352 | ||
353 | build_qual(fmt, argc, argv, qual) | |
354 | char *fmt; | |
355 | int argc; | |
356 | char *argv[]; | |
357 | char *qual; | |
358 | { | |
7536027d | 359 | register char *c; |
360 | register int i; | |
361 | char *args[4]; | |
83526631 | 362 | char *index(); |
7536027d | 363 | |
364 | c = fmt; | |
365 | for (i = 0; i < argc; i++) { | |
83526631 | 366 | c = index(c, '%'); |
7536027d | 367 | if (c++ == (char *)0) return(SMS_ARGS); |
368 | if (*c == 's') | |
369 | args[i] = argv[i]; | |
370 | else if (*c == 'd') | |
371 | *(int *)&args[i] = *(int *)argv[i]; /* sigh */ | |
372 | else | |
373 | return(SMS_INGRES_ERR); | |
374 | } | |
375 | ||
d26cae4e | 376 | switch (argc) { |
377 | case 0: | |
378 | strcpy(qual, fmt); | |
379 | break; | |
380 | ||
381 | case 1: | |
7536027d | 382 | sprintf(qual, fmt, args[0]); |
d26cae4e | 383 | break; |
384 | ||
385 | case 2: | |
7536027d | 386 | sprintf(qual, fmt, args[0], args[1]); |
d26cae4e | 387 | break; |
388 | ||
389 | case 3: | |
7536027d | 390 | sprintf(qual, fmt, args[0], args[1], args[2]); |
d26cae4e | 391 | break; |
392 | ||
393 | case 4: | |
7536027d | 394 | sprintf(qual, fmt, args[0], args[1], args[2], args[3]); |
d26cae4e | 395 | break; |
396 | } | |
83526631 | 397 | return(SMS_SUCCESS); |
97479f6f | 398 | } |
399 | ||
cc1231a1 | 400 | char * |
401 | build_sort(v, sort) | |
402 | register struct validate *v; | |
403 | char *sort; | |
404 | { | |
405 | register struct valobj *vo; | |
406 | register int n; | |
407 | char elem[16]; | |
408 | ||
409 | n = v->objcnt; | |
410 | vo = v->valobj; | |
411 | *sort = 0; | |
412 | ||
413 | while (--n >= 0) { | |
414 | if (vo->type == V_SORT) { | |
415 | sprintf(elem, "RET_VAR%d", vo->index + 1); | |
416 | if (*sort) strcat(sort, ", "); | |
417 | strcat(sort, elem); | |
418 | } | |
419 | vo++; | |
420 | } | |
421 | ||
422 | return ((*sort) ? sort : 0); | |
423 | } | |
424 | ||
9969e1bc | 425 | |
426 | /* Build arguement vector, verify query and arguments */ | |
427 | ||
428 | sms_verify_query(cl, q, argc, argv_ro) | |
429 | client *cl; | |
430 | struct query *q; | |
431 | int argc; | |
432 | char *argv_ro[]; | |
433 | { | |
434 | register int argreq; | |
435 | register int status; | |
436 | register struct validate *v = q->validate; | |
437 | register int i; | |
438 | register int privileged = 0; | |
02d466cf | 439 | int len; |
9969e1bc | 440 | |
441 | /* copy the arguments into a local argv that we can modify */ | |
7ee33a8d | 442 | if (argc >= QMAXARGS) |
443 | return(SMS_ARGS); | |
9969e1bc | 444 | for (i = 0; i < argc; i++) { |
02d466cf | 445 | if ((len = strlen(argv_ro[i])) < ARGLEN) |
9969e1bc | 446 | strcpy(Argv[i], argv_ro[i]); |
447 | else | |
448 | return(SMS_ARG_TOO_LONG); | |
02d466cf | 449 | if (Argv[i][len-1] == '\\') |
450 | return(SMS_BAD_CHAR); | |
9969e1bc | 451 | } |
452 | ||
453 | /* check initial query access */ | |
454 | status = check_query_access(q, Argv, cl); | |
455 | if (status != SMS_SUCCESS && status != SMS_PERM) | |
456 | return(status); | |
457 | if (status == SMS_SUCCESS) | |
458 | privileged++; | |
459 | ||
460 | /* check argument count */ | |
461 | argreq = q->argc; | |
462 | if (q->type == UPDATE || q->type == APPEND) argreq += q->vcnt; | |
463 | if (argc != argreq) return(SMS_ARGS); | |
464 | ||
465 | /* validate arguments */ | |
466 | if (v && v->valobj) { | |
467 | status = validate_fields(q, Argv, v->valobj, v->objcnt); | |
468 | if (status != SMS_SUCCESS) return(status); | |
469 | } | |
470 | ||
471 | /* perform special query access check */ | |
472 | if (!privileged && v && v->acs_rtn) { | |
473 | status = (*v->acs_rtn)(q, Argv, cl); | |
474 | if (status != SMS_SUCCESS && status != SMS_PERM) | |
475 | return(status); | |
476 | if (status == SMS_SUCCESS) | |
477 | privileged++; | |
478 | } | |
479 | ||
480 | return(privileged ? SMS_SUCCESS : SMS_PERM); | |
481 | } | |
482 | ||
7536027d | 483 | check_query_access(q, argv, cl) |
484 | struct query *q; | |
485 | char *argv[]; | |
486 | client *cl; | |
d26cae4e | 487 | ##{ |
7536027d | 488 | ## char *name; |
489 | ## int acl_id; | |
490 | ## int exists; | |
d26cae4e | 491 | ## int rowcount; |
cc1231a1 | 492 | ## int errorno; |
7536027d | 493 | ## static int def_uid; |
494 | int status; | |
495 | int client_id; | |
496 | char *client_type; | |
497 | ||
498 | /* get query access control list */ | |
499 | name = q->shortname; | |
500 | ## repeat retrieve (acl_id = capacls.list_id) where capacls.tag = @name | |
cc1231a1 | 501 | ## inquire_equel (rowcount = "rowcount", errorno = "errorno") |
502 | if (errorno != 0) return(SMS_INGRES_ERR); | |
7536027d | 503 | if (rowcount == 0) return(SMS_PERM); |
d26cae4e | 504 | |
7536027d | 505 | /* initialize default uid */ |
506 | if (def_uid == 0) { | |
507 | ## retrieve (def_uid = users.users_id) where users.login = "default" | |
d26cae4e | 508 | } |
97479f6f | 509 | |
7536027d | 510 | /* check for default access */ |
511 | ## range of m is members | |
512 | ## repeat retrieve (exists = any(m.#member_id where m.list_id = @acl_id and | |
513 | ## m.member_type = "USER" and m.#member_id = def_uid)) | |
514 | if (exists) return(SMS_SUCCESS); | |
515 | ||
516 | /* parse client name */ | |
517 | status = get_client(cl, &client_type, &client_id); | |
518 | if (status != SMS_SUCCESS) return(status); | |
519 | ||
7536027d | 520 | /* see if client is in the list (or any of its sub-lists) */ |
83526631 | 521 | exists = find_member("LIST", acl_id, client_type, client_id, 0); |
7536027d | 522 | return ((exists) ? SMS_SUCCESS : SMS_PERM); |
523 | ##} | |
97479f6f | 524 | |
7536027d | 525 | get_client(cl, client_type, client_id) |
526 | client *cl; | |
527 | char **client_type; | |
528 | int *client_id; | |
529 | ##{ | |
530 | struct krbname *krb; | |
531 | ## int member_id; | |
532 | ## char *name; | |
533 | ## int rowcount; | |
534 | ||
6ec81cbf | 535 | if (cl->clname == NULL) |
536 | return SMS_PERM; | |
537 | ||
19bf23eb | 538 | /* for now ignore instances */ |
7536027d | 539 | krb = &cl->kname; |
7536027d | 540 | |
541 | /* if client is from local realm, get users_id */ | |
542 | if (!strcmp(krb->realm, krb_realm)) { | |
83526631 | 543 | *client_id = cl->users_id; |
7536027d | 544 | *client_type = "USER"; |
83526631 | 545 | return(SMS_SUCCESS); |
7536027d | 546 | } |
83526631 | 547 | |
548 | /* otherwise use string_id */ | |
549 | name = cl->clname; | |
550 | ## repeat retrieve (member_id = strings.string_id) | |
551 | ## where strings.string = @name | |
7536027d | 552 | |
553 | /* make sure we found a users or string id */ | |
d26cae4e | 554 | ## inquire_equel (rowcount = "rowcount") |
7536027d | 555 | if (rowcount == 0) return(SMS_PERM); |
556 | ||
83526631 | 557 | *client_type = "STRING"; |
7536027d | 558 | *client_id = member_id; |
559 | return(SMS_SUCCESS); | |
560 | ##} | |
97479f6f | 561 | |
83526631 | 562 | ##find_member(list_type, list_id, member_type, member_id, sq) |
563 | char *list_type; | |
7536027d | 564 | ## int list_id; |
565 | ## char *member_type; | |
566 | ## int member_id; | |
567 | struct save_queue *sq; | |
568 | ##{ | |
569 | ## int exists; | |
570 | ## int sublist; | |
571 | int child; | |
572 | struct save_queue *sq_create(); | |
573 | ||
e45a151a | 574 | if (!strcmp(strtrim(list_type), strtrim(member_type)) && |
575 | list_id == member_id) | |
576 | return(1); | |
577 | ||
7536027d | 578 | /* see if client is a direct member of list */ |
579 | ## repeat retrieve (exists = any(m.#member_id where | |
580 | ## m.#list_id = @list_id and | |
581 | ## m.#member_type = @member_type and | |
582 | ## m.#member_id = @member_id)) | |
583 | if (exists) return(1); | |
584 | ||
585 | /* are there any sub-lists? */ | |
7536027d | 586 | ## repeat retrieve (exists = any(m.#member_id where m.#list_id = @list_id and |
587 | ## m.#member_type = "LIST")) | |
588 | if (!exists) return(0); | |
589 | ||
590 | /* yes; now recurse through sublists */ | |
591 | ||
592 | /* create a save queue */ | |
593 | if (sq == (struct save_queue *)0) { | |
594 | sq = sq_create(); | |
595 | child = 0; | |
596 | } else { | |
597 | child = 1; | |
d26cae4e | 598 | } |
97479f6f | 599 | |
7536027d | 600 | /* save all sublist ids */ |
601 | ## range of m is members | |
602 | ## retrieve (sublist = m.#member_id) | |
603 | ## where m.#list_id = list_id and m.#member_type = "LIST" | |
604 | ## { | |
605 | sq_save_unique_data(sq, sublist); | |
606 | ## } | |
607 | ||
83526631 | 608 | if (child) return(0); |
7536027d | 609 | |
7536027d | 610 | /* at top-level, check sub-lists for client (breadth-first search) */ |
611 | while (sq_get_data(sq, &sublist)) { | |
83526631 | 612 | exists = find_member(list_type, sublist, member_type, member_id, sq); |
7536027d | 613 | if (exists) { |
614 | sq_destroy(sq); | |
615 | return(1); | |
616 | } | |
617 | } | |
83526631 | 618 | sq_destroy(sq); |
619 | return(0); | |
d26cae4e | 620 | ##} |
97479f6f | 621 | |
83526631 | 622 | |
cc1231a1 | 623 | do_retrieve(q, pqual, psort, action, actarg) |
d26cae4e | 624 | register struct query *q; |
cc1231a1 | 625 | char *pqual; |
626 | char *psort; | |
d26cae4e | 627 | int (*action)(); |
628 | char *actarg; | |
629 | ##{ | |
630 | ## char *rvar; | |
631 | ## char *rtable; | |
632 | ## char *cqual; | |
cc1231a1 | 633 | ## char *csort; |
d26cae4e | 634 | ## int rowcount; |
cc1231a1 | 635 | ## int errorno; |
83526631 | 636 | static char **vaddrs = (char **)NULL; |
637 | ||
638 | if (!vaddrs) { | |
639 | register int i; | |
640 | ||
641 | if ((vaddrs = (char **)malloc(sizeof(char *) * QMAXARGS)) == NULL) { | |
642 | com_err(whoami, SMS_NO_MEM, "setting up static argv"); | |
643 | exit(1); | |
644 | } | |
645 | for (i = 0; i < QMAXARGS; i++) { | |
646 | if ((vaddrs[i] = malloc(QMAXARGSIZE)) == NULL) { | |
647 | com_err(whoami, SMS_NO_MEM, "setting up static argv"); | |
648 | exit(1); | |
649 | } | |
650 | } | |
651 | } | |
7536027d | 652 | |
d26cae4e | 653 | if (q->rvar) { |
654 | rvar = q->rvar; | |
655 | rtable = q->rtable; | |
656 | ## range of rvar is rtable | |
657 | } | |
97479f6f | 658 | |
cc1231a1 | 659 | if (psort) { |
660 | csort = psort; | |
661 | if (pqual) { | |
662 | cqual = pqual; | |
83526631 | 663 | ## retrieve unique (param (q->tlist, vaddrs)) where cqual |
cc1231a1 | 664 | ## sort by csort |
665 | ## { | |
83526631 | 666 | (*action)(q->vcnt, vaddrs, actarg); |
cc1231a1 | 667 | ## } |
668 | } else { | |
83526631 | 669 | ## retrieve unique (param (q->tlist, vaddrs)) |
cc1231a1 | 670 | ## sort by csort |
671 | ## { | |
83526631 | 672 | (*action)(q->vcnt, vaddrs, actarg); |
cc1231a1 | 673 | ## } |
674 | } | |
675 | ||
7536027d | 676 | } else { |
cc1231a1 | 677 | if (pqual) { |
678 | cqual = pqual; | |
83526631 | 679 | ## retrieve unique (param (q->tlist, vaddrs)) where cqual |
cc1231a1 | 680 | ## { |
83526631 | 681 | (*action)(q->vcnt, vaddrs, actarg); |
cc1231a1 | 682 | ## } |
683 | } else { | |
83526631 | 684 | ## retrieve unique (param (q->tlist, vaddrs)) |
cc1231a1 | 685 | ## { |
83526631 | 686 | (*action)(q->vcnt, vaddrs, actarg); |
cc1231a1 | 687 | ## } |
688 | } | |
7536027d | 689 | } |
97479f6f | 690 | |
cc1231a1 | 691 | ## inquire_equel (rowcount = "rowcount", errorno = "errorno") |
692 | if (errorno != 0) return(SMS_INGRES_ERR); | |
7536027d | 693 | return ((rowcount == 0) ? SMS_NO_MATCH : SMS_SUCCESS); |
d26cae4e | 694 | ##} |
97479f6f | 695 | |
e38c941b | 696 | do_update(q, argv, qual, action, actarg) |
d26cae4e | 697 | register struct query *q; |
698 | char *argv[]; | |
699 | char *qual; | |
700 | int (*action)(); | |
701 | char *actarg; | |
702 | ##{ | |
703 | ## char *rvar; | |
704 | ## char *rtable; | |
705 | ## char *cqual; | |
cc1231a1 | 706 | ## int errorno; |
97479f6f | 707 | |
d26cae4e | 708 | rvar = q->rvar; |
709 | rtable = q->rtable; | |
710 | ## range of rvar is rtable | |
97479f6f | 711 | |
d26cae4e | 712 | cqual = qual; |
713 | ## replace rvar (param (q->tlist, argv)) | |
714 | ## where cqual | |
97479f6f | 715 | |
cc1231a1 | 716 | ## inquire_equel (errorno = "errorno") |
4a7b7001 | 717 | if (errorno == INGRES_BAD_INT) |
8fcb440e | 718 | return(SMS_INTEGER); |
719 | else if (errorno != 0) | |
720 | return(SMS_INGRES_ERR); | |
7536027d | 721 | return(SMS_SUCCESS); |
d26cae4e | 722 | ##} |
97479f6f | 723 | |
cc1231a1 | 724 | do_append(q, argv, pqual, action, actarg) |
d26cae4e | 725 | register struct query *q; |
726 | char *argv[]; | |
cc1231a1 | 727 | char *pqual; |
d26cae4e | 728 | int (*action)(); |
729 | char *actarg; | |
730 | ##{ | |
731 | ## char *rvar; | |
732 | ## char *rtable; | |
7536027d | 733 | ## char *cqual; |
cc1231a1 | 734 | ## int errorno; |
97479f6f | 735 | |
d26cae4e | 736 | rvar = q->rvar; |
737 | rtable = q->rtable; | |
738 | ## range of rvar is rtable | |
97479f6f | 739 | |
cc1231a1 | 740 | if (pqual) { |
741 | cqual = pqual; | |
7536027d | 742 | ## append to rtable (param (q->tlist, argv)) where cqual |
743 | } else { | |
744 | ## append to rtable (param (q->tlist, argv)) | |
745 | } | |
97479f6f | 746 | |
cc1231a1 | 747 | ## inquire_equel (errorno = "errorno") |
8fcb440e | 748 | if (errorno == INGRES_BAD_INT) |
749 | return(SMS_INTEGER); | |
750 | else if (errorno != 0) | |
751 | return(SMS_INGRES_ERR); | |
7536027d | 752 | return(SMS_SUCCESS); |
d26cae4e | 753 | ##} |
97479f6f | 754 | |
e38c941b | 755 | do_delete(q, qual, action, actarg) |
d26cae4e | 756 | register struct query *q; |
757 | char *qual; | |
758 | int (*action)(); | |
759 | char *actarg; | |
760 | ##{ | |
761 | ## char *rvar; | |
762 | ## char *rtable; | |
763 | ## char *cqual; | |
cc1231a1 | 764 | ## int errorno; |
97479f6f | 765 | |
d26cae4e | 766 | rvar = q->rvar; |
767 | rtable = q->rtable; | |
768 | ## range of rvar is rtable | |
97479f6f | 769 | |
d26cae4e | 770 | cqual = qual; |
771 | ## delete rvar where cqual | |
97479f6f | 772 | |
cc1231a1 | 773 | ## inquire_equel (errorno = "errorno") |
774 | if (errorno != 0) return(SMS_INGRES_ERR); | |
7536027d | 775 | return(SMS_SUCCESS); |
d26cae4e | 776 | ##} |
97479f6f | 777 | |
d26cae4e | 778 | |
83526631 | 779 | /** |
780 | ** set_next_object_id - set next object id in values table | |
781 | ** | |
782 | ** Inputs: object - object name in values table and in objects | |
783 | ** table - name of table objects are found in | |
784 | ** | |
785 | ** - called before an APPEND operation to set the next object id to | |
786 | ** be used for the new record to the next free value | |
787 | ** | |
788 | **/ | |
789 | ||
790 | set_next_object_id(object, table) | |
791 | char *object; | |
792 | char *table; | |
793 | ##{ | |
794 | ## char *name, *tbl; | |
795 | ## int rowcount, exists, value; | |
796 | ||
797 | name = object; | |
798 | tbl = table; | |
799 | ## range of v is values | |
800 | ## repeat retrieve (value = v.#value) where v.#name = @name | |
801 | ## inquire_equel(rowcount = "rowcount") | |
802 | if (rowcount != 1) | |
8fcb440e | 803 | return(SMS_NO_ID); |
83526631 | 804 | |
805 | ## retrieve (exists = any(tbl.name where tbl.name = value)) | |
806 | ## inquire_equel(rowcount = "rowcount") | |
807 | if (rowcount != 1) | |
8fcb440e | 808 | return(SMS_NO_ID); |
83526631 | 809 | while (exists) { |
810 | value++; | |
8fcb440e | 811 | if (value > MAX_ID_VALUE) |
812 | value = MIN_ID_VALUE; | |
83526631 | 813 | ## retrieve (exists = any(tbl.name where tbl.name = value)) |
814 | } | |
815 | ||
816 | if (LOG_RES) | |
817 | com_err(whoami, 0, "setting ID %s to %d", name, value); | |
818 | ## repeat replace v (#value = @value) where v.#name = @name | |
819 | return(SMS_SUCCESS); | |
820 | ##} | |
821 | ||
822 | ||
823 | /* For now this just checks the argc's. It should also see that there | |
824 | * are no duplicate names. | |
825 | */ | |
826 | ||
827 | sanity_check_queries() | |
828 | { | |
829 | register int i; | |
830 | int maxv = 0, maxa = 0; | |
831 | extern int QueryCount1, QueryCount2; | |
832 | extern struct query Queries1[], Queries2[]; | |
833 | #define MAX(x,y) ((x) > (y) ? (x) : (y)) | |
834 | ||
835 | for (i = 0; i < QueryCount1; i++) { | |
836 | maxv = MAX(maxv, Queries1[i].vcnt); | |
837 | maxa = MAX(maxa, Queries1[i].argc); | |
838 | } | |
839 | for (i = 0; i < QueryCount2; i++) { | |
840 | maxv = MAX(maxv, Queries2[i].vcnt); | |
841 | maxa = MAX(maxa, Queries2[i].argc); | |
842 | } | |
843 | if (MAX(maxv, maxa) > QMAXARGS) { | |
844 | com_err(whoami, 0, "A query has more args than QMAXARGS"); | |
845 | exit(1); | |
846 | } | |
847 | } |