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Commit | Line | Data |
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bac4ceaa | 1 | |
2 | /* $Header$ | |
3 | * | |
4 | * This generates the /usr/lib/aliases file for the mailhub. | |
5 | * | |
6 | * (c) Copyright 1988, 1990 by the Massachusetts Institute of Technology. | |
7 | * For copying and distribution information, please see the file | |
8 | * <mit-copyright.h>. | |
9 | */ | |
10 | ||
11 | #include <mit-copyright.h> | |
12 | #include <stdio.h> | |
13 | #include <string.h> | |
14 | #include <ctype.h> | |
15 | #include <moira.h> | |
16 | #include <moira_site.h> | |
17 | #include <sys/types.h> | |
18 | #include <sys/stat.h> | |
19 | #include <sys/time.h> | |
20 | EXEC SQL INCLUDE sqlca; | |
21 | ||
22 | ||
23 | extern int errno; | |
24 | char *whoami = "mailhub.gen"; | |
25 | char *perm_malloc(); | |
26 | char *pstrsave(); | |
27 | char *divide = "##############################################################"; | |
28 | ||
29 | #define ML_WID 72 | |
9e1513ae | 30 | #define AL_MAX_WID 592 |
bac4ceaa | 31 | |
32 | #define FALSE 0 | |
33 | #define TRUE (!FALSE) | |
34 | ||
35 | FILE *out= stdout; | |
36 | ||
37 | ||
38 | main(argc, argv) | |
39 | int argc; | |
40 | char **argv; | |
41 | { | |
42 | long tm = time(NULL); | |
43 | char filename[64], *targetfile; | |
44 | struct stat sb; | |
45 | EXEC SQL BEGIN DECLARE SECTION; | |
46 | int flag; | |
47 | EXEC SQL END DECLARE SECTION; | |
48 | ||
49 | #ifsql INGRES | |
9e1513ae | 50 | EXEC SQL CONNECT moira; |
51 | EXEC SQL SET LOCKMODE SESSION WHERE LEVEL=TABLE, READLOCK=SHARED; | |
bac4ceaa | 52 | #endsql |
53 | #ifsql INFORMIX | |
9e1513ae | 54 | EXEC SQL DATABASE moira; |
bac4ceaa | 55 | #endsql |
56 | ||
57 | if (argc == 2) { | |
58 | if (stat(argv[1], &sb) == 0) { | |
59 | if (ModDiff (&flag, "users", sb.st_mtime)) | |
60 | exit(MR_DATE); | |
61 | if (flag < 0) { | |
62 | fprintf(stderr, "File %s does not need to be rebuilt.\n", | |
63 | argv[1]); | |
64 | exit(MR_NO_CHANGE); | |
65 | } | |
66 | } | |
67 | targetfile = argv[1]; | |
68 | sprintf(filename, "%s~", targetfile); | |
69 | if ((out = fopen(filename, "w")) == NULL) { | |
70 | fprintf(stderr, "unable to open %s for output\n", filename); | |
71 | exit(MR_OCONFIG); | |
72 | } | |
73 | } else if (argc != 1) { | |
74 | fprintf(stderr, "usage: %s [outfile]\n", argv[0]); | |
75 | exit(MR_ARGS); | |
76 | } | |
77 | ||
78 | fprintf(out, "%s\n# Aliases File Extract of %s", divide, ctime(&tm)); | |
79 | fprintf(out, "# This file is automatically generated, do not edit it directly.\n%s\n\n", divide); | |
80 | ||
81 | get_info(); | |
82 | ||
83 | #ifsql INGRES | |
84 | EXEC SQL DISCONNECT; | |
85 | #endsql | |
86 | #ifsql INFORMIX | |
87 | EXEC SQL CLOSE DATABASE; | |
88 | #endsql | |
89 | ||
90 | fprintf(stderr, "Sorting Info\n"); | |
91 | sort_info(); | |
92 | ||
93 | fprintf(stderr, "Dumping information\n"); | |
94 | do_people(); | |
95 | ||
96 | fprintf(out, "\n%s\n# End of aliases file\n", divide); | |
97 | ||
98 | if (fclose(out)) { | |
99 | perror("close failed"); | |
100 | exit(MR_CCONFIG); | |
101 | } | |
102 | ||
103 | if (argc == 2) | |
104 | fix_file(targetfile); | |
105 | exit(MR_SUCCESS); | |
106 | } | |
107 | ||
108 | ||
109 | ||
110 | struct hash *users, *machines, *strings, *lists, *names; | |
111 | struct user { | |
112 | char *login; | |
113 | char *first; | |
114 | char *last; | |
115 | char mi; | |
116 | char *pobox; | |
117 | }; | |
118 | struct member { | |
119 | struct member *next; | |
120 | char *name; | |
121 | int list_id; | |
122 | }; | |
123 | struct list { | |
124 | char *name; | |
125 | char maillist; | |
492f333e | 126 | char *description; |
bac4ceaa | 127 | char acl_t; |
128 | int acl_id; | |
129 | struct member *m; | |
130 | }; | |
131 | struct names { | |
132 | char *name; | |
133 | struct names *next; | |
134 | int keep:1; | |
135 | int id:31; | |
136 | }; | |
137 | ||
138 | ||
139 | get_info() | |
140 | { | |
141 | EXEC SQL BEGIN DECLARE SECTION; | |
142 | int id, pid, bid, cnt, maillistp, acl, mid; | |
143 | char name[129], type[9], fname[17], mname[17], lname[17], buf[257]; | |
144 | EXEC SQL END DECLARE SECTION; | |
145 | char *s; | |
146 | register struct user *u; | |
147 | struct list *l, *memberlist; | |
148 | register struct member *m; | |
149 | ||
9e1513ae | 150 | /* The following is declarative, not executed, |
151 | * and so is dependent on where it is in the file, | |
152 | * not in the order of execution of statements. | |
153 | */ | |
bac4ceaa | 154 | EXEC SQL WHENEVER SQLERROR GOTO sqlerr; |
155 | ||
b188943c | 156 | /* Get Locks */ |
157 | ||
bac4ceaa | 158 | EXEC SQL SELECT modtime INTO :buf FROM users WHERE users_id = 0; |
159 | EXEC SQL SELECT modtime INTO :buf FROM list WHERE list_id = 0; | |
160 | ||
161 | cnt = 0; | |
4534b281 | 162 | machines = create_hash(1000); |
bac4ceaa | 163 | |
164 | EXEC SQL DECLARE m_cursor CURSOR FOR | |
9e1513ae | 165 | SELECT mach_id, name |
166 | FROM machine | |
4534b281 | 167 | WHERE status=1 |
9e1513ae | 168 | ORDER BY mach_id; |
bac4ceaa | 169 | EXEC SQL OPEN m_cursor; |
170 | while (1) { | |
171 | EXEC SQL FETCH m_cursor INTO :id, :name; | |
172 | if (sqlca.sqlcode != 0) break; | |
173 | if (s = index(name, '.')) | |
174 | *s = 0; | |
175 | else | |
176 | strtrim(name); | |
177 | #ifdef ATHENA | |
178 | strcat(name, ".LOCAL"); | |
179 | #endif | |
180 | if (hash_store(machines, id, pstrsave(name)) < 0) { | |
181 | fprintf(stderr, "Out of memory!\n"); | |
182 | exit(MR_NO_MEM); | |
183 | } | |
184 | cnt++; | |
185 | } | |
186 | EXEC SQL CLOSE m_cursor; | |
187 | ||
188 | fprintf(stderr, "Loaded %d machines\n", cnt); | |
189 | ||
190 | cnt = 0; | |
9e1513ae | 191 | strings = create_hash(11001); |
bac4ceaa | 192 | |
193 | EXEC SQL DECLARE s_cursor CURSOR FOR | |
9e1513ae | 194 | SELECT string_id, trim(string) |
195 | FROM strings | |
196 | ORDER BY string_id; | |
bac4ceaa | 197 | EXEC SQL OPEN s_cursor; |
198 | while (1) { | |
199 | EXEC SQL FETCH s_cursor INTO :id, :name; | |
200 | if (sqlca.sqlcode != 0) break; | |
9e1513ae | 201 | if (hash_store(strings, id, pstrsave(name)) < 0) { |
bac4ceaa | 202 | fprintf(stderr, "Out of memory!\n"); |
203 | exit(MR_NO_MEM); | |
204 | } | |
205 | cnt++; | |
206 | } | |
207 | EXEC SQL CLOSE s_cursor; | |
208 | ||
209 | fprintf(stderr, "Loaded %d strings\n", cnt); | |
210 | ||
211 | cnt = 0; | |
9e1513ae | 212 | users = create_hash(13001); |
bac4ceaa | 213 | |
214 | EXEC SQL DECLARE u_cursor CURSOR FOR | |
215 | SELECT users_id, login, first, middle, last, potype, pop_id, box_id | |
216 | FROM users | |
9e1513ae | 217 | WHERE status != 3 |
218 | ORDER BY users_id; | |
bac4ceaa | 219 | EXEC SQL OPEN u_cursor; |
220 | while (1) { | |
221 | EXEC SQL FETCH u_cursor INTO :id, :name, :fname, :mname, :lname, | |
222 | :type, :pid, :bid; | |
223 | if (sqlca.sqlcode != 0) break; | |
224 | u = (struct user *) perm_malloc(sizeof(struct user)); | |
225 | u->login = pstrsave(strtrim(name)); | |
226 | u->first = pstrsave(strtrim(fname)); | |
227 | u->last = pstrsave(strtrim(lname)); | |
228 | if (mname[0] != ' ') | |
229 | u->mi = mname[0]; | |
230 | else | |
231 | u->mi = 0; | |
232 | ||
233 | if (type[0] == 'P' && (s = hash_lookup(machines, pid))) { | |
234 | sprintf(buf, "%s@%s", u->login, s); | |
235 | u->pobox = pstrsave(buf); | |
236 | } else if (type[0] == 'S') { | |
237 | u->pobox = hash_lookup(strings, bid); | |
238 | } else | |
239 | u->pobox = (char *) NULL; | |
240 | if (hash_store(users, id, u) < 0) { | |
241 | fprintf(stderr, "Out of memory!\n"); | |
242 | exit(MR_NO_MEM); | |
243 | } | |
244 | cnt++; | |
245 | } | |
246 | EXEC SQL CLOSE u_cursor; | |
9e1513ae | 247 | EXEC SQL COMMIT; |
bac4ceaa | 248 | fprintf(stderr, "Loaded %d users\n", cnt); |
249 | ||
250 | cnt = 0; | |
251 | lists = create_hash(15000); | |
252 | ||
253 | EXEC SQL DECLARE l_cursor CURSOR FOR | |
492f333e | 254 | SELECT list_id, name, maillist, description, acl_type, acl_id |
bac4ceaa | 255 | FROM list |
9e1513ae | 256 | WHERE active != 0 |
257 | ORDER BY list_id; | |
bac4ceaa | 258 | EXEC SQL OPEN l_cursor; |
259 | while (1) { | |
492f333e | 260 | EXEC SQL FETCH l_cursor INTO :id, :name, :maillistp, :buf, :type, :acl; |
bac4ceaa | 261 | if (sqlca.sqlcode != 0) break; |
262 | l = (struct list *) perm_malloc(sizeof(struct list)); | |
263 | l->name = pstrsave(strtrim(name)); | |
264 | l->maillist = maillistp; | |
492f333e | 265 | l->description = pstrsave(strtrim(buf)); |
bac4ceaa | 266 | l->acl_t = type[0]; |
267 | l->acl_id = acl; | |
268 | l->m = (struct member *) NULL; | |
269 | if (hash_store(lists, id, l) < 0) { | |
270 | fprintf(stderr, "Out of memory!\n"); | |
271 | exit(MR_NO_MEM); | |
272 | } | |
273 | cnt++; | |
274 | } | |
275 | EXEC SQL CLOSE l_cursor; | |
9e1513ae | 276 | EXEC SQL COMMIT; |
bac4ceaa | 277 | fprintf(stderr, "Loaded %d lists\n", cnt); |
278 | ||
279 | cnt = 0; | |
280 | ||
281 | EXEC SQL DECLARE m_cursor2 CURSOR FOR | |
282 | SELECT list_id, member_type, member_id | |
283 | FROM imembers | |
9e1513ae | 284 | WHERE direct = 1 |
285 | ORDER BY list_id; | |
bac4ceaa | 286 | EXEC SQL OPEN m_cursor2; |
287 | while (1) { | |
288 | EXEC SQL FETCH m_cursor2 INTO :id, :type, :mid; | |
289 | if (sqlca.sqlcode != 0) break; | |
290 | cnt++; | |
291 | if (l = (struct list *) hash_lookup(lists, id)) { | |
292 | m = (struct member *) perm_malloc(sizeof(struct member)); | |
293 | if (type[0] == 'U' && | |
294 | (u = (struct user *) hash_lookup(users, mid))) { | |
295 | m->list_id = 0; | |
296 | m->name = u->login; | |
297 | m->next = l->m; | |
298 | l->m = m; | |
299 | } else if (type[0] == 'L' && | |
300 | (memberlist = (struct list *) hash_lookup(lists, mid))) { | |
301 | m->list_id = mid; | |
302 | m->name = memberlist->name; | |
303 | m->next = l->m; | |
304 | l->m = m; | |
305 | } else if (type[0] == 'S' && | |
306 | (s = hash_lookup(strings, mid))) { | |
307 | m->list_id = 0; | |
308 | m->next = l->m; | |
309 | l->m = m; | |
310 | m->name = s; | |
311 | } | |
312 | } | |
313 | } | |
314 | EXEC SQL CLOSE m_cursor2; | |
315 | fprintf(stderr, "Loaded %d members\n", cnt); | |
316 | return; | |
317 | sqlerr: | |
318 | com_err(whoami, MR_INGRES_ERR, " code %d\n", sqlca.sqlcode); | |
2796e83d | 319 | critical_alert("DCM", "Mailhub build encountered DATABASE ERROR %d", |
bac4ceaa | 320 | sqlca.sqlcode); |
321 | exit(MR_INGRES_ERR); | |
322 | } | |
323 | ||
324 | ||
325 | save_mlist(id, l, force) | |
326 | int id; | |
327 | struct list *l; | |
328 | int force; | |
329 | { | |
330 | register struct member *m; | |
331 | register struct list *l1; | |
332 | ||
333 | if (l->maillist > 1 || | |
334 | (l->maillist == 0 && !force)) | |
335 | return; | |
336 | ||
337 | if (l->m && l->m->next == NULL && | |
338 | !strcasecmp(l->name, l->m->name)) { | |
339 | l->maillist = 3; | |
340 | return; | |
341 | } | |
342 | l->maillist = 2; | |
566f0499 | 343 | insert_name(l->name, -1, TRUE, FALSE); |
9e1513ae | 344 | output_mlist(id, l); |
bac4ceaa | 345 | |
346 | if (l->acl_t == 'L' && (l1 = (struct list *)hash_lookup(lists, l->acl_id))) | |
347 | save_mlist(0, l1, TRUE); | |
348 | ||
349 | for (m = l->m; m; m = m->next) { | |
350 | if (m->list_id && (l1 = (struct list *)hash_lookup(lists, m->list_id))) | |
351 | save_mlist(0, l1, TRUE); | |
352 | } | |
353 | } | |
354 | ||
355 | ||
356 | insert_login(id, u, dummy) | |
357 | int id; | |
358 | struct user *u; | |
359 | int dummy; | |
360 | { | |
361 | if (u->pobox && u->login[0] != '#') | |
362 | insert_name(u->login, id, TRUE, FALSE); | |
363 | } | |
364 | ||
365 | void insert_names(id, u, dummy) | |
366 | int id; | |
367 | struct user *u; | |
368 | int dummy; | |
369 | { | |
370 | char buffer[256]; | |
371 | ||
372 | insert_name(u->last, id, FALSE, FALSE); | |
373 | sprintf(buffer, "%s_%s", u->first, u->last); | |
374 | insert_name(buffer, id, FALSE, TRUE); | |
375 | /* sprintf(buffer, "%c_%s", u->first[0], u->last); | |
376 | insert_name(buffer, id, FALSE, TRUE); */ | |
377 | if (u->mi) { | |
378 | sprintf(buffer, "%s_%c_%s", u->first, u->mi, u->last); | |
379 | insert_name(buffer, id, FALSE, TRUE); | |
380 | } | |
381 | } | |
382 | ||
383 | int incount = 0; | |
384 | ||
385 | insert_name(s, id, nodups, copy) | |
386 | char *s; | |
387 | int id; | |
388 | int nodups; | |
389 | int copy; | |
390 | { | |
391 | int code; | |
392 | register struct names *ns; | |
393 | ||
394 | incount++; | |
395 | code = hashstr(s); | |
396 | ns = (struct names *) hash_lookup(names, code); | |
397 | if (ns == NULL) { | |
398 | if ((ns = (struct names *) perm_malloc(sizeof(struct names))) == NULL) { | |
399 | fprintf(stderr, "ran out of memory inserting name (sorting)\n"); | |
400 | exit(MR_NO_MEM); | |
401 | } | |
402 | if (copy) | |
403 | ns->name = pstrsave(s); | |
404 | else | |
405 | ns->name = s; | |
406 | ns->keep = nodups; | |
407 | ns->id = id; | |
408 | ns->next = NULL; | |
409 | if (hash_store(names, code, ns) < 0) { | |
410 | fprintf(stderr, "Out of memory!\n"); | |
411 | exit(MR_NO_MEM); | |
412 | } | |
413 | return; | |
414 | } | |
415 | if (strcasecmp(ns->name, s)) { | |
416 | while (ns->next) { | |
417 | ns = ns->next; | |
418 | if (!strcasecmp(ns->name, s)) | |
419 | goto foundns; | |
420 | } | |
421 | if ((ns->next = (struct names *) perm_malloc(sizeof(struct names))) | |
422 | == NULL) { | |
423 | fprintf(stderr, "ran out of memory insterting name (sorting)\n"); | |
424 | exit(MR_NO_MEM); | |
425 | } | |
426 | ns = ns->next; | |
427 | if (copy) | |
428 | ns->name = pstrsave(s); | |
429 | else | |
430 | ns->name = s; | |
431 | ns->keep = nodups; | |
432 | ns->id = id; | |
433 | ns->next = NULL; | |
434 | return; | |
435 | } | |
436 | foundns: | |
437 | if (nodups || ns->keep) { | |
438 | if (nodups && ns->keep) | |
439 | fprintf(stderr, "duplicated name: %s\n", s); | |
440 | return; | |
441 | } | |
442 | ns->id = 0; | |
443 | } | |
444 | ||
445 | ||
3ce369ab | 446 | /* Illegal chars: ! " % ( ) , / : ; < = > @ [ \ ] ^ { | } */ |
bac4ceaa | 447 | |
448 | static int illegalchars[] = { | |
449 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* ^@ - ^O */ | |
450 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* ^P - ^_ */ | |
3ce369ab | 451 | 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, /* SPACE - / */ |
bac4ceaa | 452 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, /* 0 - ? */ |
453 | 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* @ - O */ | |
454 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, /* P - _ */ | |
455 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* ` - o */ | |
456 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, /* p - ^? */ | |
457 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
458 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
459 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
460 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
461 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
462 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
463 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
464 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
465 | }; | |
466 | ||
467 | ||
468 | /* While hashing the string, punt any illegal characters */ | |
469 | ||
470 | int hashstr(s) | |
471 | register char *s; | |
472 | { | |
473 | register int result; | |
474 | register int c; | |
475 | ||
476 | for (result = 0; c = *s; s++) { | |
477 | if (illegalchars[c]) { | |
478 | register char *p; | |
479 | for (p = s; *p; p++) | |
480 | *p = p[1]; | |
481 | continue; | |
482 | } | |
483 | if (isupper(c)) | |
484 | c = *s = tolower(c); | |
485 | /* result = result * 31 + *s; */ | |
486 | result = (result << 5) - result + c - '`'; | |
487 | } | |
488 | return(result < 0 ? -result : result); | |
489 | } | |
490 | ||
491 | ||
492 | sort_info() | |
493 | { | |
494 | names = create_hash(20001); | |
495 | hash_step(users, insert_login, NULL); | |
496 | incount = 0; | |
497 | fprintf(out, "\n%s\n# Mailing lists\n%s\n", divide, divide); | |
498 | hash_step(lists, save_mlist, FALSE); | |
499 | fprintf(stderr, "Output %d lists\n", incount); | |
500 | hash_step(users, insert_names, NULL); | |
501 | fprintf(stderr, "Inserted %d names\n", incount); | |
502 | } | |
503 | ||
504 | ||
505 | output_data(dummy, nms, out) | |
506 | int dummy; | |
507 | struct names *nms; | |
508 | FILE *out; | |
509 | { | |
510 | register struct names *ns; | |
511 | register struct user *u; | |
512 | ||
513 | incount++; | |
514 | for (ns = nms; ns; ns = ns->next) { | |
515 | if (ns->name[0] == 0 || ns->name[1] == 0) { | |
516 | fprintf(stderr, "punting %s due to short name\n", ns->name); | |
517 | continue; | |
518 | } | |
519 | if (ns->id > 0) { | |
520 | u = (struct user *) hash_lookup(users, ns->id); | |
521 | if (u->pobox) { | |
522 | fprintf(out, "%s: %s\n", ns->name, u->pobox); | |
523 | } else { | |
524 | fprintf(out, "%s: =%s=@nobox\n", ns->name, ns->name); | |
525 | } | |
526 | } else if (ns->id == 0) { | |
527 | fprintf(out, "%s: =%s=@ambig\n", ns->name, ns->name); | |
528 | } | |
529 | } | |
530 | } | |
531 | ||
532 | ||
533 | int lwid, bol, awid; | |
534 | ||
535 | output_mlist(id, l) | |
536 | int id; | |
537 | register struct list *l; | |
538 | { | |
539 | struct list *l1; | |
540 | register struct member *m; | |
541 | register struct user *u; | |
542 | ||
492f333e | 543 | put_fill(out, l->description); |
bac4ceaa | 544 | if (l->acl_t == 'L' && |
545 | (l1 = (struct list *) hash_lookup(lists, l->acl_id))) | |
546 | fprintf(out, "owner-%s: %s\n%s: ", l->name, l1->name, l->name); | |
547 | else if (l->acl_t == 'U' && | |
548 | (u = (struct user *) hash_lookup(users, l->acl_id))) | |
549 | fprintf(out, "owner-%s: %s\n%s: ", l->name, u->login, l->name); | |
550 | else | |
551 | fprintf(out, "%s: ", l->name); | |
552 | ||
553 | ||
554 | lwid = strlen(l->name) + 2; | |
555 | bol = 1; | |
556 | for (m = l->m; m; m = m->next) { | |
557 | do_member(out, m->name); | |
558 | } | |
559 | if (l->m == (struct member *)NULL) | |
560 | fprintf(out, "/dev/null"); | |
561 | fprintf(out, "\n\n"); | |
562 | incount++; | |
563 | } | |
564 | ||
565 | ||
566 | /* print out strings separated by commas, doing line breaks as appropriate */ | |
567 | ||
568 | do_member(out, s) | |
569 | FILE *out; | |
570 | register char *s; | |
571 | { | |
572 | register wwid; | |
573 | static int cont = 1; | |
2796e83d | 574 | char str[8]; |
bac4ceaa | 575 | |
576 | wwid = strlen(s); | |
577 | ||
578 | if (!bol && awid + wwid + 2 > AL_MAX_WID) { | |
2796e83d | 579 | sprintf(str, "%c%c%c%c%c%c", random() % 26 + 97, random() % 26 + 97, |
580 | random() % 26 + 97, random() % 26 + 97, | |
581 | random() % 26 + 97, random() % 26 + 97); | |
582 | str[6] = '\0'; | |
583 | fprintf(out, ",\n\tcont%d-%s\ncont%d-%s: ", cont, str, cont, str); | |
bac4ceaa | 584 | cont++; |
585 | awid = lwid = 17 + wwid; | |
586 | fputs(s, out); | |
587 | return; | |
588 | } | |
589 | ||
590 | if (bol) { | |
591 | lwid += wwid; | |
592 | awid = lwid; | |
593 | fputs(s, out); | |
594 | bol = 0; | |
595 | return; | |
596 | } | |
597 | if (lwid + wwid + 2 > ML_WID) { | |
598 | fprintf(out, ",\n\t%s", s); | |
599 | awid += lwid + wwid + 2; | |
600 | lwid = wwid + 8; | |
601 | return; | |
602 | } | |
603 | lwid += wwid + 2; | |
604 | fprintf(out, ", %s", s); | |
605 | } | |
606 | ||
607 | ||
492f333e | 608 | put_fill(aliases, string) |
609 | FILE *aliases; | |
610 | register char *string; | |
611 | { | |
612 | register char *c; | |
613 | register int lwid; | |
614 | register int wwid; | |
615 | ||
616 | if (string == 0 || *string == 0) return; | |
617 | fputs("# ", aliases); | |
618 | lwid = 3; | |
619 | ||
620 | while (1) { | |
621 | while (*string && *string == ' ') string++; | |
622 | c = (char *)index(string, ' '); | |
623 | if (c == 0) { | |
624 | wwid = strlen(string); | |
625 | } else { | |
626 | wwid = c - string; | |
627 | *c = 0; | |
628 | } | |
629 | ||
630 | if ((lwid + wwid) > ML_WID) { | |
631 | fputs("\n# ", aliases); | |
632 | lwid = 3; | |
633 | fputs(string, aliases); | |
634 | } else { | |
635 | fputs(string, aliases); | |
636 | } | |
637 | ||
638 | if (c == (char *)0) break; | |
639 | /* add a space after the word */ | |
640 | (void) fputc(' ', aliases); | |
641 | wwid++; | |
642 | lwid += wwid; | |
643 | string += wwid; | |
644 | /* add another if after a period */ | |
645 | if (*--c == '.') { | |
646 | (void) fputc(' ', aliases); | |
647 | lwid++; | |
648 | } | |
649 | } | |
650 | ||
651 | (void) fputc('\n', aliases); | |
652 | } | |
653 | ||
654 | ||
bac4ceaa | 655 | do_people() |
656 | { | |
657 | incount = 0; | |
658 | fprintf(out, "\n%s\n# People\n%s\n", divide, divide); | |
659 | hash_step(names, output_data, out); | |
660 | fprintf(stderr, "Output %d entries\n", incount); | |
661 | } | |
662 | ||
663 | ||
664 | #define chunk_size 102400 | |
665 | ||
666 | char *perm_malloc(size) | |
667 | unsigned size; | |
668 | { | |
669 | static char *pool = NULL; | |
670 | static unsigned pool_size = 0; | |
671 | register char *ret; | |
672 | ||
673 | if (size > pool_size) { | |
674 | pool = (char *) malloc(chunk_size); | |
675 | pool_size = chunk_size; | |
676 | } | |
677 | ret = pool; | |
678 | pool += size; | |
cf813189 | 679 | pool = (char *)(((unsigned) (pool + 3)) & ~3); |
bac4ceaa | 680 | pool_size -= (pool - ret); |
681 | return(ret); | |
682 | } | |
683 | ||
684 | ||
685 | /* | |
686 | * Make a (permenant) copy of a string. | |
687 | */ | |
688 | char * | |
689 | pstrsave(s) | |
690 | char *s; | |
691 | { | |
692 | register int len; | |
693 | register char *p; | |
694 | /* Kludge for sloppy string semantics */ | |
695 | if (!s) { | |
696 | printf("NULL != \"\" !!!!\r\n"); | |
697 | p = perm_malloc(1); | |
698 | *p = '\0'; | |
699 | return p; | |
700 | } | |
701 | len = strlen(s) + 1; | |
702 | p = perm_malloc((u_int)len); | |
703 | if (p) bcopy(s, p, len); | |
704 | return p; | |
705 | } | |
706 | ||
707 | #define hash_func(h, key) (key >= 0 ? (key % h->size) : (-key % h->size)) | |
708 | ||
709 | /* Create a hash table. The size is just a hint, not a maximum. */ | |
710 | ||
711 | struct hash *create_hash(size) | |
712 | int size; | |
713 | { | |
714 | struct hash *h; | |
715 | ||
716 | h = (struct hash *) perm_malloc(sizeof(struct hash)); | |
717 | if (h == (struct hash *) NULL) | |
718 | return((struct hash *) NULL); | |
719 | h->size = size; | |
720 | h->data = (struct bucket **) perm_malloc(size * sizeof(char *)); | |
721 | if (h->data == (struct bucket **) NULL) { | |
722 | free(h); | |
723 | return((struct hash *) NULL); | |
724 | } | |
725 | bzero(h->data, size * sizeof(char *)); | |
726 | return(h); | |
727 | } | |
728 | ||
729 | /* Lookup an object in the hash table. Returns the value associated with | |
730 | * the key, or NULL (thus NULL is not a very good value to store...) | |
731 | */ | |
732 | ||
733 | char *hash_lookup(h, key) | |
734 | struct hash *h; | |
735 | register int key; | |
736 | { | |
737 | register struct bucket *b; | |
738 | ||
739 | b = h->data[hash_func(h, key)]; | |
740 | while (b && b->key != key) | |
741 | b = b->next; | |
742 | if (b && b->key == key) | |
743 | return(b->data); | |
744 | else | |
745 | return(NULL); | |
746 | } | |
747 | ||
748 | ||
749 | /* Update an existing object in the hash table. Returns 1 if the object | |
750 | * existed, or 0 if not. | |
751 | */ | |
752 | ||
753 | int hash_update(h, key, value) | |
754 | struct hash *h; | |
755 | register int key; | |
756 | char *value; | |
757 | { | |
758 | register struct bucket *b; | |
759 | ||
760 | b = h->data[hash_func(h, key)]; | |
761 | while (b && b->key != key) | |
762 | b = b->next; | |
763 | if (b && b->key == key) { | |
764 | b->data = value; | |
765 | return(1); | |
766 | } else | |
767 | return(0); | |
768 | } | |
769 | ||
770 | ||
771 | /* Store an item in the hash table. Returns 0 if the key was not previously | |
772 | * there, 1 if it was, or -1 if we ran out of memory. | |
773 | */ | |
774 | ||
775 | int hash_store(h, key, value) | |
776 | struct hash *h; | |
777 | register int key; | |
778 | char *value; | |
779 | { | |
780 | register struct bucket *b, **p; | |
781 | ||
782 | p = &(h->data[hash_func(h, key)]); | |
783 | if (*p == NULL) { | |
784 | b = *p = (struct bucket *) perm_malloc(sizeof(struct bucket)); | |
785 | if (b == (struct bucket *) NULL) | |
786 | return(-1); | |
787 | b->next = NULL; | |
788 | b->key = key; | |
789 | b->data = value; | |
790 | return(0); | |
791 | } | |
792 | ||
793 | for (b = *p; b && b->key != key; b = *p) | |
794 | p = (struct bucket **) *p; | |
795 | if (b && b->key == key) { | |
796 | b->data = value; | |
797 | return(1); | |
798 | } | |
799 | b = *p = (struct bucket *) perm_malloc(sizeof(struct bucket)); | |
800 | if (b == (struct bucket *) NULL) | |
801 | return(-1); | |
802 | b->next = NULL; | |
803 | b->key = key; | |
804 | b->data = value; | |
805 | return(0); | |
806 | } | |
807 | ||
808 | ||
809 | /* Search through the hash table for a given value. For each piece of | |
810 | * data with that value, call the callback proc with the corresponding key. | |
811 | */ | |
812 | ||
813 | hash_search(h, value, callback) | |
814 | struct hash *h; | |
815 | register char *value; | |
816 | void (*callback)(); | |
817 | { | |
818 | register struct bucket *b, **p; | |
819 | ||
820 | for (p = &(h->data[h->size - 1]); p >= h->data; p--) { | |
821 | for (b = *p; b; b = b->next) { | |
822 | if (b->data == value) | |
823 | (*callback)(b->key); | |
824 | } | |
825 | } | |
826 | } | |
827 | ||
828 | ||
829 | /* Step through the hash table, calling the callback proc with each key. | |
830 | */ | |
831 | ||
832 | hash_step(h, callback, hint) | |
833 | struct hash *h; | |
834 | void (*callback)(); | |
835 | char *hint; | |
836 | { | |
837 | register struct bucket *b, **p; | |
838 | ||
839 | for (p = &(h->data[h->size - 1]); p >= h->data; p--) { | |
840 | for (b = *p; b; b = b->next) { | |
841 | (*callback)(b->key, b->data, hint); | |
842 | } | |
843 | } | |
844 | } | |
845 | ||
846 | ||
847 | /* Deallocate all of the memory associated with a table */ | |
848 | ||
849 | hash_destroy(h) | |
850 | struct hash *h; | |
851 | { | |
852 | register struct bucket *b, **p, *b1; | |
853 | ||
854 | for (p = &(h->data[h->size - 1]); p >= h->data; p--) { | |
855 | for (b = *p; b; b = b1) { | |
856 | b1 = b->next; | |
857 | free(b); | |
858 | } | |
859 | } | |
860 | } |