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5d5f5413 | 1 | /* $Header$ |
2 | * | |
3 | * This generates the /usr/lib/aliases mail aliases file for the mailhub. | |
4 | * The aliases file will contain: | |
5 | * user pobox entries | |
6 | * maillist expansions | |
7 | * sublists of maillists | |
8 | * | |
9 | * (c) Copyright 1988, 1990 by the Massachusetts Institute of Technology. | |
10 | * For copying and distribution information, please see the file | |
11 | * <mit-copyright.h>. | |
12 | */ | |
13 | ||
14 | ||
15 | #include <mit-copyright.h> | |
16 | #include <stdio.h> | |
17 | #include <string.h> | |
18 | #include <moira.h> | |
19 | #include <moira_site.h> | |
20 | #include <sys/types.h> | |
21 | #include <sys/stat.h> | |
22 | #include <sys/time.h> | |
23 | EXEC SQL INCLUDE sqlca; | |
24 | ||
25 | ||
26 | #define ML_WID 72 | |
27 | #define AL_MAX_WID 896 | |
28 | ||
29 | char *divide = "########################################################################"; | |
30 | extern int errno; | |
31 | char *whoami = "aliases.gen"; | |
5d5f5413 | 32 | FILE *out; |
33 | ||
34 | main(argc, argv) | |
35 | int argc; | |
36 | char **argv; | |
37 | { | |
38 | long tm = time(NULL); | |
39 | char filename[64], *targetfile; | |
40 | struct stat sb; | |
41 | int flag1, flag2, flag3; | |
42 | ||
43 | out = stdout; | |
44 | initialize_sms_error_table(); | |
45 | #ifsql INGRES | |
46 | EXEC SQL CONNECT sms; | |
47 | #endsql | |
48 | #ifsql INFORMIX | |
49 | EXEC SQL DATABASE sms; | |
50 | #endsql | |
51 | ||
52 | ||
53 | if (argc == 2) { | |
54 | if (stat(argv[1], &sb) == 0) { | |
55 | ||
56 | if (ModDiff (&flag1, "list", sb.st_mtime) || | |
57 | ModDiff (&flag2, "imembers", sb.st_mtime) || | |
58 | ModDiff (&flag3, "users", sb.st_mtime)) exit (MR_DATE); | |
59 | ||
60 | if (flag1 < 0 && flag2 < 0 && flag3 < 0) { | |
61 | fprintf(stderr, "File %s does not need to be rebuilt.\n", | |
62 | argv[1]); | |
63 | exit(MR_NO_CHANGE); | |
64 | } | |
65 | } | |
66 | targetfile = argv[1]; | |
67 | sprintf(filename, "%s~", targetfile); | |
68 | if ((out = fopen(filename, "w")) == NULL) { | |
69 | fprintf(stderr, "unable to open %s for output\n", filename); | |
70 | exit(MR_OCONFIG); | |
71 | } | |
72 | } else if (argc != 1) { | |
73 | fprintf(stderr, "usage: %s [outfile]\n", argv[0]); | |
74 | exit(MR_ARGS); | |
75 | } | |
76 | ||
77 | fprintf(out, "%s\n# Aliases File Extract of %s", divide, ctime(&tm)); | |
78 | fprintf(out, "# This file is automatically generated, do not edit it directly.\n%s\n\n", divide); | |
79 | ||
80 | get_info(); | |
81 | #ifsql INFORMIX | |
82 | EXEC SQL COMMIT WORK; | |
83 | #endif | |
84 | #ifsql INGRES | |
85 | EXEC SQL DISCONNECT; | |
86 | #endsql | |
87 | ||
88 | fprintf(stderr, "Dumping information\n"); | |
89 | do_mlists(out); | |
90 | do_poboxes(out); | |
91 | ||
92 | fprintf(out, "\n%s\n# End of aliases file\n%s\n", divide, divide); | |
93 | ||
94 | ||
95 | if (fclose(out)) { | |
96 | perror("close failed"); | |
97 | exit(MR_CCONFIG); | |
98 | } | |
99 | ||
100 | if (argc == 2) | |
101 | fix_file(targetfile); | |
102 | exit(MR_SUCCESS); | |
103 | } | |
104 | ||
105 | ||
106 | struct hash *users, *machines, *strings, *lists; | |
107 | struct user { | |
108 | char login[9]; | |
109 | char *pobox; | |
110 | }; | |
111 | struct member { | |
112 | struct member *next; | |
113 | char *name; | |
114 | int list_id; | |
115 | }; | |
116 | struct list { | |
117 | char *name; | |
118 | char maillist; | |
119 | char acl_t; | |
120 | char *description; | |
121 | int acl_id; | |
122 | struct member *m; | |
123 | }; | |
124 | ||
125 | ||
126 | get_info() | |
127 | { | |
128 | EXEC SQL BEGIN DECLARE SECTION; | |
129 | int id, maillistp, acl, pid, bid, mid; | |
130 | char name[129], type[9], buf[257]; | |
131 | EXEC SQL END DECLARE SECTION; | |
132 | char *s; | |
133 | register struct user *u; | |
134 | register struct list *l; | |
135 | register struct member *m; | |
136 | register struct list *memberlist; | |
137 | ||
138 | EXEC SQL WHENEVER SQLERROR GOTO sqlerr; | |
139 | ||
140 | /* get locks */ | |
141 | EXEC SQL SELECT modtime INTO :buf FROM list WHERE LIST_ID = 0; | |
142 | EXEC SQL SELECT modtime INTO :buf FROM list WHERE USERS_ID = 0; | |
143 | ||
144 | fprintf(stderr, "Loading machines\n"); | |
145 | machines = create_hash(1000); | |
146 | ||
147 | EXEC SQL DECLARE m_cursor CURSOR FOR | |
148 | SELECT mach_id, name | |
149 | FROM machine; | |
150 | EXEC SQL OPEN m_cursor; | |
151 | while (1) { | |
152 | EXEC SQL FETCH m_cursor INTO :id, :name; | |
153 | if (sqlca.sqlcode != 0) break; | |
154 | if (s = index(name, '.')) | |
155 | *s = 0; | |
156 | #ifdef ATHENA | |
157 | strcat(name, ".LOCAL"); | |
158 | #endif | |
159 | hash_store(machines, id, strsave(name)); | |
160 | } | |
161 | EXEC SQL CLOSE m_cursor; | |
162 | ||
163 | ||
164 | fprintf(stderr, "Loading strings\n"); | |
165 | strings = create_hash(2000); | |
166 | ||
167 | EXEC SQL DECLARE s_cursor CURSOR FOR | |
168 | SELECT string_id, string | |
169 | FROM strings; | |
170 | EXEC SQL OPEN s_cursor; | |
171 | while (1) { | |
172 | EXEC SQL FETCH s_cursor INTO :id, :name; | |
173 | if (sqlca.sqlcode != 0) break; | |
174 | hash_store(strings, id, strsave(strtrim(name))); | |
175 | } | |
176 | EXEC SQL CLOSE s_cursor; | |
177 | ||
178 | fprintf(stderr, "Loading users\n"); | |
179 | users = create_hash(12001); | |
180 | ||
181 | EXEC SQL DECLARE u_cursor CURSOR FOR | |
182 | SELECT users_id, login, potype, pop_id, box_id | |
183 | FROM users WHERE status = 1 OR status = 5 OR status = 6; | |
184 | EXEC SQL OPEN u_cursor; | |
185 | while (1) { | |
186 | EXEC SQL FETCH u_cursor INTO :id, :name, :type, :pid, :bid; | |
187 | if (sqlca.sqlcode != 0) break; | |
188 | u = (struct user *) malloc(sizeof(struct user)); | |
189 | strcpy(u->login, strtrim(name)); | |
190 | if (type[0] == 'P') { | |
191 | if (s = hash_lookup(machines, pid)) { | |
192 | sprintf(buf, "%s@%s", name, s); | |
193 | u->pobox = strsave(buf); | |
194 | } else { | |
195 | u->pobox = (char *) NULL; | |
196 | fprintf(stderr, "User %s's pobox is on a missing machine!\n", | |
197 | u->login); | |
198 | } | |
199 | } else if (type[0] == 'S') { | |
200 | if ((u->pobox = hash_lookup(strings, bid)) == NULL) { | |
201 | u->pobox = (char *) NULL; | |
202 | fprintf(stderr, "User %s's pobox string is missing!\n", | |
203 | u->login); | |
204 | } | |
205 | } else | |
206 | u->pobox = (char *) NULL; | |
207 | hash_store(users, id, u); | |
208 | } | |
209 | EXEC SQL CLOSE u_cursor; | |
210 | ||
211 | fprintf(stderr, "Loading lists\n"); | |
212 | lists = create_hash(15001); | |
213 | ||
214 | EXEC SQL DECLARE l_cursor CURSOR FOR | |
215 | SELECT list_id, name, maillist, desc, acl_type, acl_id | |
216 | FROM list WHERE active != 0; | |
217 | EXEC SQL OPEN l_cursor; | |
218 | while (1) { | |
219 | EXEC SQL FETCH l_cursor INTO :id, :name, :maillistp, | |
220 | :buf, :type, :acl; | |
221 | if (sqlca.sqlcode != 0) break; | |
222 | l = (struct list *) malloc(sizeof(struct list)); | |
223 | l->name = strsave(strtrim(name)); | |
224 | l->maillist = maillistp; | |
225 | l->description = strsave(strtrim(buf)); | |
226 | l->acl_t = type[0]; | |
227 | l->acl_id = acl; | |
228 | l->m = (struct member *) NULL; | |
229 | hash_store(lists, id, l); | |
230 | } | |
231 | EXEC SQL CLOSE l_cursor; | |
232 | ||
233 | fprintf(stderr, "Loading members\n"); | |
234 | ||
235 | EXEC SQL DECLARE mem_cursor CURSOR FOR | |
236 | SELECT list_id, member_type, member_id | |
237 | FROM imembers WHERE direct = 1; | |
238 | EXEC SQL OPEN mem_cursor; | |
239 | while (1) { | |
240 | EXEC SQL FETCH mem_cursor INTO :id, :type, :mid; | |
241 | if (sqlca.sqlcode != 0) break; | |
242 | if (l = (struct list *) hash_lookup(lists, id)) { | |
243 | m = (struct member *) malloc(sizeof(struct member)); | |
244 | if (type[0] == 'U' && | |
245 | (u = (struct user *) hash_lookup(users, mid))) { | |
246 | m->list_id = 0; | |
247 | m->name = u->login; | |
248 | m->next = l->m; | |
249 | l->m = m; | |
250 | } else if (type[0] == 'L' && | |
251 | (memberlist = (struct list *) hash_lookup(lists, mid))) { | |
252 | m->list_id = mid; | |
253 | m->name = memberlist->name; | |
254 | m->next = l->m; | |
255 | l->m = m; | |
256 | } else if (type[0] == 'S' && | |
257 | (s = hash_lookup(strings, mid))) { | |
258 | m->list_id = 0; | |
259 | m->name = s; | |
260 | m->next = l->m; | |
261 | l->m = m; | |
262 | } | |
263 | } | |
264 | } | |
265 | EXEC SQL CLOSE mem_cursor; | |
266 | return; | |
267 | sqlerr: | |
268 | com_err(whoami, MR_INGRES_ERR, " code %d\n", sqlca.sqlcode); | |
269 | critical_alert("DCM", "Alias build encountered INGRES ERROR %d", | |
270 | sqlca.sqlcode); | |
271 | exit(MR_INGRES_ERR); | |
272 | } | |
273 | ||
274 | ||
275 | save_mlist(id, l, force) | |
276 | int id; | |
277 | register struct list *l; | |
278 | int force; | |
279 | { | |
280 | register struct member *m; | |
281 | struct list *l1; | |
282 | ||
283 | if (l->maillist == 2 || | |
284 | (l->maillist == 0 && !force)) | |
285 | return; | |
286 | ||
287 | if (l->m && l->m->next == NULL && | |
288 | !strcasecmp(l->name, l->m->name)) { | |
289 | l->maillist = 0; | |
290 | return; | |
291 | } | |
292 | l->maillist = 2; | |
293 | output_mlist(id, l); | |
294 | ||
295 | if (l->acl_t == 'L' && (l1 = (struct list *)hash_lookup(lists, l->acl_id))) | |
296 | save_mlist(0, l1, 1); | |
297 | ||
298 | for (m = l->m; m; m = m->next) { | |
299 | if (m->list_id && (l1 = (struct list *)hash_lookup(lists, m->list_id))) | |
300 | save_mlist(0, l1, 1); | |
301 | } | |
302 | } | |
303 | ||
304 | ||
305 | int lwid, bol, awid; | |
306 | ||
307 | output_mlist(id, l) | |
308 | int id; | |
309 | register struct list *l; | |
310 | { | |
311 | struct list *l1; | |
312 | register struct member *m; | |
313 | struct user *u; | |
314 | ||
315 | put_fill(out, l->description); | |
316 | if (l->acl_t == 'L') { | |
317 | if (l1 = (struct list *) hash_lookup(lists, l->acl_id)) | |
318 | fprintf(out, "owner-%s: %s\n", l->name, l1->name); | |
319 | } else if (l->acl_t == 'U') { | |
320 | if (u = (struct user *) hash_lookup(users, l->acl_id)) | |
321 | fprintf(out, "owner-%s: %s\n", l->name, u->login); | |
322 | } | |
323 | ||
324 | fprintf(out, "%s: ", l->name); | |
325 | lwid = strlen(l->name) + 2; | |
326 | bol = 1; | |
327 | for (m = l->m; m; m = m->next) | |
328 | do_member(out, m->name); | |
329 | if (l->m == (struct member *)NULL) | |
330 | fprintf(out, "/dev/null"); | |
331 | fprintf(out, "\n\n"); | |
332 | } | |
333 | ||
334 | ||
335 | /* Extract mailing lists. Make a list of all mailinglists, then | |
336 | * process them, adding any sub-lists or acl lists to the list of lists | |
337 | * to be processed. If further sublists are encountered, repeat... | |
338 | */ | |
339 | ||
340 | do_mlists(out) | |
341 | FILE *out; | |
342 | { | |
343 | fprintf(out, "\n%s\n# Mailing lists\n%s\n", divide, divide); | |
344 | hash_step(lists, save_mlist, 0); | |
345 | } | |
346 | ||
347 | ||
348 | /* print out strings separated by commas, doing line breaks as appropriate */ | |
349 | ||
350 | do_member(out, s) | |
351 | FILE *out; | |
352 | register char *s; | |
353 | { | |
354 | register wwid; | |
355 | static int cont = 1; | |
356 | ||
357 | wwid = strlen(s); | |
358 | ||
359 | if (!bol && awid + wwid + 2 > AL_MAX_WID) { | |
360 | fprintf(out, ",\n\tcontinuation-%d\ncontinuation-%d: ", cont, cont); | |
361 | cont++; | |
362 | awid = lwid = 17 + wwid; | |
363 | fputs(s, out); | |
364 | return; | |
365 | } | |
366 | ||
367 | if (bol) { | |
368 | lwid += wwid; | |
369 | awid = lwid; | |
370 | fputs(s, out); | |
371 | bol = 0; | |
372 | return; | |
373 | } | |
374 | if (lwid + wwid + 2 > ML_WID) { | |
375 | fprintf(out, ",\n\t%s", s); | |
376 | awid += lwid + wwid + 2; | |
377 | lwid = wwid + 8; | |
378 | return; | |
379 | } | |
380 | lwid += wwid + 2; | |
381 | fprintf(out, ", %s", s); | |
382 | } | |
383 | ||
384 | do_pobox(id, u, out) | |
385 | int id; | |
386 | register struct user *u; | |
387 | FILE *out; | |
388 | { | |
389 | if (u->pobox) | |
390 | fprintf(out, "%s: %s\n", u->login, u->pobox); | |
391 | } | |
392 | ||
393 | ||
394 | /* Do user poboxes. Just step through the users table, and print any | |
395 | * we extracted earlier. | |
396 | */ | |
397 | ||
398 | do_poboxes(out) | |
399 | FILE *out; | |
400 | { | |
401 | fprintf(out, "\n%s\n# User Poboxes\n%s\n", divide, divide); | |
402 | ||
403 | hash_step(users, do_pobox, out); | |
404 | } | |
405 | ||
406 | ||
407 | put_fill(aliases, string) | |
408 | FILE *aliases; | |
409 | register char *string; | |
410 | { | |
411 | register char *c; | |
412 | register int lwid; | |
413 | register int wwid; | |
414 | ||
415 | if (*string == 0) return; | |
416 | fputs("# ", aliases); | |
417 | lwid = 3; | |
418 | ||
419 | while (1) { | |
420 | while (*string && *string == ' ') string++; | |
421 | c = (char *)index(string, ' '); | |
422 | if (c == 0) { | |
423 | wwid = strlen(string); | |
424 | } else { | |
425 | wwid = c - string; | |
426 | *c = 0; | |
427 | } | |
428 | ||
429 | if ((lwid + wwid) > ML_WID) { | |
430 | fputs("\n# ", aliases); | |
431 | lwid = 3; | |
432 | fputs(string, aliases); | |
433 | } else { | |
434 | fputs(string, aliases); | |
435 | } | |
436 | ||
437 | if (c == (char *)0) break; | |
438 | /* add a space after the word */ | |
439 | (void) fputc(' ', aliases); | |
440 | wwid++; | |
441 | lwid += wwid; | |
442 | string += wwid; | |
443 | /* add another if after a period */ | |
444 | if (*--c == '.') { | |
445 | (void) fputc(' ', aliases); | |
446 | lwid++; | |
447 | } | |
448 | } | |
449 | ||
450 | (void) fputc('\n', aliases); | |
451 | } |