Commit | Line | Data |
---|---|---|
ca6bb034 KS |
1 | # |
2 | ||
3 | #include "rcv.h" | |
4 | #include <sys/stat.h> | |
5 | ||
6 | /* | |
7 | * Mail -- a mail program | |
8 | * | |
9 | * Still more user commands. | |
10 | */ | |
11 | ||
7667ac30 | 12 | static char *SccsId = "@(#)cmd3.c 2.9 %G%"; |
ca6bb034 KS |
13 | |
14 | /* | |
15 | * Process a shell escape by saving signals, ignoring signals, | |
16 | * and forking a sh -c | |
17 | */ | |
18 | ||
19 | shell(str) | |
20 | char *str; | |
21 | { | |
22 | int (*sig[2])(), stat[1]; | |
23 | register int t; | |
24 | char *Shell; | |
e8adee6e | 25 | char cmd[BUFSIZ]; |
ca6bb034 | 26 | |
e8adee6e KS |
27 | strcpy(cmd, str); |
28 | if (bangexp(cmd) < 0) | |
29 | return(-1); | |
ca6bb034 KS |
30 | if ((Shell = value("SHELL")) == NOSTR) |
31 | Shell = SHELL; | |
32 | for (t = 2; t < 4; t++) | |
5f38a28f | 33 | sig[t-2] = sigset(t, SIG_IGN); |
ca6bb034 KS |
34 | t = vfork(); |
35 | if (t == 0) { | |
5388d5b8 | 36 | sigchild(); |
ca6bb034 KS |
37 | for (t = 2; t < 4; t++) |
38 | if (sig[t-2] != SIG_IGN) | |
5f38a28f | 39 | sigsys(t, SIG_DFL); |
e8adee6e | 40 | execl(Shell, Shell, "-c", cmd, 0); |
ca6bb034 KS |
41 | perror(Shell); |
42 | _exit(1); | |
43 | } | |
44 | while (wait(stat) != t) | |
45 | ; | |
46 | if (t == -1) | |
47 | perror("fork"); | |
48 | for (t = 2; t < 4; t++) | |
5f38a28f | 49 | sigset(t, sig[t-2]); |
ca6bb034 KS |
50 | printf("!\n"); |
51 | return(0); | |
52 | } | |
53 | ||
54 | /* | |
55 | * Fork an interactive shell. | |
56 | */ | |
57 | ||
58 | dosh(str) | |
59 | char *str; | |
60 | { | |
61 | int (*sig[2])(), stat[1]; | |
62 | register int t; | |
63 | char *Shell; | |
ca6bb034 KS |
64 | if ((Shell = value("SHELL")) == NOSTR) |
65 | Shell = SHELL; | |
66 | for (t = 2; t < 4; t++) | |
5f38a28f | 67 | sig[t-2] = sigset(t, SIG_IGN); |
ca6bb034 KS |
68 | t = vfork(); |
69 | if (t == 0) { | |
5388d5b8 | 70 | sigchild(); |
ca6bb034 KS |
71 | for (t = 2; t < 4; t++) |
72 | if (sig[t-2] != SIG_IGN) | |
5f38a28f | 73 | sigsys(t, SIG_DFL); |
ca6bb034 KS |
74 | execl(Shell, Shell, 0); |
75 | perror(Shell); | |
76 | _exit(1); | |
77 | } | |
78 | while (wait(stat) != t) | |
79 | ; | |
80 | if (t == -1) | |
81 | perror("fork"); | |
82 | for (t = 2; t < 4; t++) | |
5f38a28f | 83 | sigsys(t, sig[t-2]); |
ca6bb034 KS |
84 | putchar('\n'); |
85 | return(0); | |
86 | } | |
87 | ||
e8adee6e KS |
88 | /* |
89 | * Expand the shell escape by expanding unescaped !'s into the | |
90 | * last issued command where possible. | |
91 | */ | |
92 | ||
93 | char lastbang[128]; | |
94 | ||
95 | bangexp(str) | |
96 | char *str; | |
97 | { | |
98 | char bangbuf[BUFSIZ]; | |
99 | register char *cp, *cp2; | |
100 | register int n; | |
101 | int changed = 0; | |
102 | ||
103 | cp = str; | |
104 | cp2 = bangbuf; | |
105 | n = BUFSIZ; | |
106 | while (*cp) { | |
107 | if (*cp == '!') { | |
108 | if (n < strlen(lastbang)) { | |
109 | overf: | |
110 | printf("Command buffer overflow\n"); | |
111 | return(-1); | |
112 | } | |
113 | changed++; | |
114 | strcpy(cp2, lastbang); | |
115 | cp2 += strlen(lastbang); | |
116 | n -= strlen(lastbang); | |
117 | cp++; | |
118 | continue; | |
119 | } | |
120 | if (*cp == '\\' && cp[1] == '!') { | |
121 | if (--n <= 1) | |
122 | goto overf; | |
123 | *cp2++ = '!'; | |
124 | cp += 2; | |
125 | changed++; | |
126 | } | |
127 | if (--n <= 1) | |
128 | goto overf; | |
129 | *cp2++ = *cp++; | |
130 | } | |
131 | *cp2 = 0; | |
132 | if (changed) { | |
133 | printf("!%s\n", bangbuf); | |
134 | fflush(stdout); | |
135 | } | |
136 | strcpy(str, bangbuf); | |
137 | strncpy(lastbang, bangbuf, 128); | |
138 | lastbang[127] = 0; | |
139 | return(0); | |
140 | } | |
141 | ||
ca6bb034 KS |
142 | /* |
143 | * Print out a nice help message from some file or another. | |
144 | */ | |
145 | ||
146 | help() | |
147 | { | |
148 | register c; | |
149 | register FILE *f; | |
150 | ||
151 | if ((f = fopen(HELPFILE, "r")) == NULL) { | |
152 | printf("No help just now.\n"); | |
153 | return(1); | |
154 | } | |
155 | while ((c = getc(f)) != EOF) | |
156 | putchar(c); | |
157 | fclose(f); | |
158 | return(0); | |
159 | } | |
160 | ||
161 | /* | |
162 | * Change user's working directory. | |
163 | */ | |
164 | ||
165 | schdir(str) | |
166 | char *str; | |
167 | { | |
168 | register char *cp; | |
169 | ||
170 | for (cp = str; *cp == ' '; cp++) | |
171 | ; | |
172 | if (*cp == '\0') | |
173 | cp = homedir; | |
174 | else | |
175 | if ((cp = expand(cp)) == NOSTR) | |
176 | return(1); | |
177 | if (chdir(cp) < 0) { | |
178 | perror(cp); | |
179 | return(1); | |
180 | } | |
181 | return(0); | |
182 | } | |
183 | ||
184 | /* | |
185 | * Reply to a list of messages. Extract each name from the | |
186 | * message header and send them off to mail1() | |
187 | */ | |
188 | ||
189 | respond(msgvec) | |
190 | int *msgvec; | |
191 | { | |
192 | struct message *mp; | |
1c04ff22 | 193 | char *cp, buf[2 * LINESIZE], *rcv, *replyto, **ap; |
ca6bb034 KS |
194 | struct name *np; |
195 | struct header head; | |
196 | char *netmap(); | |
197 | ||
198 | if (msgvec[1] != 0) { | |
199 | printf("Sorry, can't reply to multiple messages at once\n"); | |
200 | return(1); | |
201 | } | |
202 | mp = &message[msgvec[0] - 1]; | |
203 | dot = mp; | |
fc8872bb | 204 | rcv = nameof(mp, 1); |
35bddd51 | 205 | replyto = skin(hfield("reply-to", mp)); |
ca6bb034 | 206 | strcpy(buf, ""); |
52984be9 KS |
207 | if (replyto != NOSTR) |
208 | strcpy(buf, replyto); | |
209 | else { | |
210 | cp = hfield("to", mp); | |
211 | if (cp != NOSTR) | |
212 | strcpy(buf, cp); | |
213 | } | |
ca6bb034 KS |
214 | np = elide(extract(buf, GTO)); |
215 | /* rcv = rename(rcv); */ | |
216 | mapf(np, rcv); | |
1c04ff22 KS |
217 | /* |
218 | * Delete my name from the reply list, | |
219 | * and with it, all my alternate names. | |
220 | */ | |
ca6bb034 | 221 | np = delname(np, myname); |
1c04ff22 KS |
222 | if (altnames != 0) |
223 | for (ap = altnames; *ap; ap++) | |
224 | np = delname(np, *ap); | |
ca6bb034 KS |
225 | head.h_seq = 1; |
226 | cp = detract(np, 0); | |
52984be9 | 227 | if (cp != NOSTR && replyto == NOSTR) { |
ca6bb034 KS |
228 | strcpy(buf, cp); |
229 | strcat(buf, " "); | |
230 | strcat(buf, rcv); | |
231 | } | |
52984be9 KS |
232 | else { |
233 | if (cp == NOSTR && replyto != NOSTR) | |
234 | printf("Empty reply-to field -- replying to author\n"); | |
235 | if (cp == NOSTR) | |
236 | strcpy(buf, rcv); | |
237 | else | |
238 | strcpy(buf, cp); | |
239 | } | |
ca6bb034 KS |
240 | head.h_to = buf; |
241 | head.h_subject = hfield("subject", mp); | |
242 | if (head.h_subject == NOSTR) | |
243 | head.h_subject = hfield("subj", mp); | |
fc8872bb | 244 | head.h_subject = reedit(head.h_subject); |
ca6bb034 | 245 | head.h_cc = NOSTR; |
52984be9 KS |
246 | if (replyto == NOSTR) { |
247 | cp = hfield("cc", mp); | |
248 | if (cp != NOSTR) { | |
249 | np = elide(extract(cp, GCC)); | |
250 | mapf(np, rcv); | |
251 | np = delname(np, myname); | |
2a8a6697 KS |
252 | if (altnames != 0) |
253 | for (ap = altnames; *ap; ap++) | |
254 | np = delname(np, *ap); | |
52984be9 KS |
255 | head.h_cc = detract(np, 0); |
256 | } | |
ca6bb034 KS |
257 | } |
258 | head.h_bcc = NOSTR; | |
259 | mail1(&head); | |
260 | return(0); | |
261 | } | |
262 | ||
fc8872bb KS |
263 | /* |
264 | * Modify the subject we are replying to to begin with Re: if | |
265 | * it does not already. | |
266 | */ | |
267 | ||
268 | char * | |
269 | reedit(subj) | |
270 | char *subj; | |
271 | { | |
272 | char sbuf[10]; | |
273 | register char *newsubj; | |
274 | ||
275 | if (subj == NOSTR) | |
276 | return(NOSTR); | |
277 | strncpy(sbuf, subj, 3); | |
278 | sbuf[3] = 0; | |
279 | if (icequal(sbuf, "re:")) | |
280 | return(subj); | |
281 | newsubj = salloc(strlen(subj) + 6); | |
282 | sprintf(newsubj, "Re: %s", subj); | |
283 | return(newsubj); | |
284 | } | |
285 | ||
ca6bb034 KS |
286 | /* |
287 | * Preserve the named messages, so that they will be sent | |
288 | * back to the system mailbox. | |
289 | */ | |
290 | ||
291 | preserve(msgvec) | |
292 | int *msgvec; | |
293 | { | |
294 | register struct message *mp; | |
295 | register int *ip, mesg; | |
296 | ||
297 | if (edit) { | |
298 | printf("Cannot \"preserve\" in edit mode\n"); | |
299 | return(1); | |
300 | } | |
301 | for (ip = msgvec; *ip != NULL; ip++) { | |
302 | mesg = *ip; | |
303 | mp = &message[mesg-1]; | |
304 | mp->m_flag |= MPRESERVE; | |
8fe58892 | 305 | mp->m_flag &= ~MBOX; |
ca6bb034 KS |
306 | dot = mp; |
307 | } | |
308 | return(0); | |
309 | } | |
310 | ||
311 | /* | |
312 | * Print the size of each message. | |
313 | */ | |
314 | ||
315 | messize(msgvec) | |
316 | int *msgvec; | |
317 | { | |
318 | register struct message *mp; | |
319 | register int *ip, mesg; | |
320 | ||
321 | for (ip = msgvec; *ip != NULL; ip++) { | |
322 | mesg = *ip; | |
323 | mp = &message[mesg-1]; | |
7667ac30 | 324 | printf("%d: %ld\n", mesg, mp->m_size); |
ca6bb034 KS |
325 | } |
326 | return(0); | |
327 | } | |
328 | ||
329 | /* | |
330 | * Quit quickly. If we are sourcing, just pop the input level | |
331 | * by returning an error. | |
332 | */ | |
333 | ||
334 | rexit(e) | |
335 | { | |
336 | if (sourcing) | |
337 | return(1); | |
c179b6f2 KS |
338 | if (Tflag != NOSTR) |
339 | close(creat(Tflag, 0600)); | |
ca6bb034 KS |
340 | exit(e); |
341 | } | |
342 | ||
343 | /* | |
344 | * Set or display a variable value. Syntax is similar to that | |
345 | * of csh. | |
346 | */ | |
347 | ||
348 | set(arglist) | |
349 | char **arglist; | |
350 | { | |
351 | register struct var *vp; | |
352 | register char *cp, *cp2; | |
353 | char varbuf[BUFSIZ], **ap, **p; | |
354 | int errs, h, s; | |
355 | ||
356 | if (argcount(arglist) == 0) { | |
357 | for (h = 0, s = 1; h < HSHSIZE; h++) | |
358 | for (vp = variables[h]; vp != NOVAR; vp = vp->v_link) | |
359 | s++; | |
360 | ap = (char **) salloc(s * sizeof *ap); | |
361 | for (h = 0, p = ap; h < HSHSIZE; h++) | |
362 | for (vp = variables[h]; vp != NOVAR; vp = vp->v_link) | |
363 | *p++ = vp->v_name; | |
364 | *p = NOSTR; | |
365 | sort(ap); | |
366 | for (p = ap; *p != NOSTR; p++) | |
367 | printf("%s\t%s\n", *p, value(*p)); | |
368 | return(0); | |
369 | } | |
370 | errs = 0; | |
371 | for (ap = arglist; *ap != NOSTR; ap++) { | |
372 | cp = *ap; | |
373 | cp2 = varbuf; | |
374 | while (*cp != '=' && *cp != '\0') | |
375 | *cp2++ = *cp++; | |
376 | *cp2 = '\0'; | |
377 | if (*cp == '\0') | |
378 | cp = ""; | |
379 | else | |
380 | cp++; | |
381 | if (equal(varbuf, "")) { | |
382 | printf("Non-null variable name required\n"); | |
383 | errs++; | |
384 | continue; | |
385 | } | |
386 | assign(varbuf, cp); | |
387 | } | |
388 | return(errs); | |
389 | } | |
390 | ||
391 | /* | |
392 | * Unset a bunch of variable values. | |
393 | */ | |
394 | ||
395 | unset(arglist) | |
396 | char **arglist; | |
397 | { | |
398 | register struct var *vp, *vp2; | |
399 | register char *cp; | |
400 | int errs, h; | |
401 | char **ap; | |
402 | ||
403 | errs = 0; | |
404 | for (ap = arglist; *ap != NOSTR; ap++) { | |
405 | if ((vp2 = lookup(*ap)) == NOVAR) { | |
406 | if (!sourcing) { | |
407 | printf("\"%s\": undefined variable\n", *ap); | |
408 | errs++; | |
409 | } | |
410 | continue; | |
411 | } | |
412 | h = hash(*ap); | |
413 | if (vp2 == variables[h]) { | |
414 | variables[h] = variables[h]->v_link; | |
415 | vfree(vp2->v_name); | |
416 | vfree(vp2->v_value); | |
417 | cfree(vp2); | |
418 | continue; | |
419 | } | |
420 | for (vp = variables[h]; vp->v_link != vp2; vp = vp->v_link) | |
421 | ; | |
422 | vp->v_link = vp2->v_link; | |
423 | vfree(vp2->v_name); | |
424 | vfree(vp2->v_value); | |
425 | cfree(vp2); | |
426 | } | |
427 | return(errs); | |
428 | } | |
429 | ||
430 | /* | |
431 | * Put add users to a group. | |
432 | */ | |
433 | ||
434 | group(argv) | |
435 | char **argv; | |
436 | { | |
437 | register struct grouphead *gh; | |
438 | register struct group *gp; | |
439 | register int h; | |
440 | int s; | |
441 | char **ap, *gname, **p; | |
442 | ||
443 | if (argcount(argv) == 0) { | |
444 | for (h = 0, s = 1; h < HSHSIZE; h++) | |
445 | for (gh = groups[h]; gh != NOGRP; gh = gh->g_link) | |
446 | s++; | |
447 | ap = (char **) salloc(s * sizeof *ap); | |
448 | for (h = 0, p = ap; h < HSHSIZE; h++) | |
449 | for (gh = groups[h]; gh != NOGRP; gh = gh->g_link) | |
450 | *p++ = gh->g_name; | |
451 | *p = NOSTR; | |
452 | sort(ap); | |
453 | for (p = ap; *p != NOSTR; p++) | |
454 | printgroup(*p); | |
455 | return(0); | |
456 | } | |
457 | if (argcount(argv) == 1) { | |
458 | printgroup(*argv); | |
459 | return(0); | |
460 | } | |
461 | gname = *argv; | |
462 | h = hash(gname); | |
463 | if ((gh = findgroup(gname)) == NOGRP) { | |
464 | gh = (struct grouphead *) calloc(sizeof *gh, 1); | |
465 | gh->g_name = vcopy(gname); | |
466 | gh->g_list = NOGE; | |
467 | gh->g_link = groups[h]; | |
468 | groups[h] = gh; | |
469 | } | |
470 | ||
471 | /* | |
472 | * Insert names from the command list into the group. | |
473 | * Who cares if there are duplicates? They get tossed | |
474 | * later anyway. | |
475 | */ | |
476 | ||
477 | for (ap = argv+1; *ap != NOSTR; ap++) { | |
478 | gp = (struct group *) calloc(sizeof *gp, 1); | |
479 | gp->ge_name = vcopy(*ap); | |
480 | gp->ge_link = gh->g_list; | |
481 | gh->g_list = gp; | |
482 | } | |
483 | return(0); | |
484 | } | |
485 | ||
486 | /* | |
487 | * Sort the passed string vecotor into ascending dictionary | |
488 | * order. | |
489 | */ | |
490 | ||
491 | sort(list) | |
492 | char **list; | |
493 | { | |
494 | register char **ap; | |
495 | int diction(); | |
496 | ||
497 | for (ap = list; *ap != NOSTR; ap++) | |
498 | ; | |
499 | if (ap-list < 2) | |
500 | return; | |
501 | qsort(list, ap-list, sizeof *list, diction); | |
502 | } | |
503 | ||
504 | /* | |
505 | * Do a dictionary order comparison of the arguments from | |
506 | * qsort. | |
507 | */ | |
508 | ||
509 | diction(a, b) | |
510 | register char **a, **b; | |
511 | { | |
512 | return(strcmp(*a, *b)); | |
513 | } | |
514 | ||
515 | /* | |
516 | * The do nothing command for comments. | |
517 | */ | |
518 | ||
519 | null(e) | |
520 | { | |
521 | return(0); | |
522 | } | |
523 | ||
524 | /* | |
1031a04a | 525 | * Print out the current edit file, if we are editing. |
ca6bb034 KS |
526 | * Otherwise, print the name of the person who's mail |
527 | * we are reading. | |
528 | */ | |
529 | ||
1031a04a KS |
530 | file(argv) |
531 | char **argv; | |
ca6bb034 KS |
532 | { |
533 | register char *cp; | |
1031a04a | 534 | char fname[BUFSIZ]; |
84995525 | 535 | int edit; |
ca6bb034 | 536 | |
1031a04a | 537 | if (argv[0] == NOSTR) { |
890194fb | 538 | newfileinfo(); |
1031a04a KS |
539 | return(0); |
540 | } | |
541 | ||
542 | /* | |
543 | * Acker's! Must switch to the new file. | |
544 | * We use a funny interpretation -- | |
545 | * # -- gets the previous file | |
546 | * % -- gets the invoker's post office box | |
547 | * %user -- gets someone else's post office box | |
c953e015 | 548 | * & -- gets invoker's mbox file |
1031a04a KS |
549 | * string -- reads the given file |
550 | */ | |
551 | ||
84995525 | 552 | cp = getfilename(argv[0], &edit); |
1031a04a KS |
553 | if (cp == NOSTR) |
554 | return(-1); | |
f3b6f2ce KS |
555 | if (setfile(cp, edit)) { |
556 | perror(cp); | |
c45bca48 | 557 | return(-1); |
f3b6f2ce | 558 | } |
c45bca48 | 559 | newfileinfo(); |
1031a04a KS |
560 | } |
561 | ||
562 | /* | |
563 | * Evaluate the string given as a new mailbox name. | |
564 | * Ultimately, we want this to support a number of meta characters. | |
565 | * Possibly: | |
566 | * % -- for my system mail box | |
567 | * %user -- for user's system mail box | |
568 | * # -- for previous file | |
c953e015 | 569 | * & -- get's invoker's mbox file |
1031a04a KS |
570 | * file name -- for any other file |
571 | */ | |
572 | ||
d344b00c | 573 | char prevfile[PATHSIZE]; |
c953e015 | 574 | |
1031a04a | 575 | char * |
84995525 | 576 | getfilename(name, aedit) |
1031a04a | 577 | char *name; |
84995525 | 578 | int *aedit; |
1031a04a KS |
579 | { |
580 | register char *cp; | |
c953e015 | 581 | char savename[BUFSIZ]; |
2b6cb640 | 582 | char oldmailname[BUFSIZ]; |
c953e015 | 583 | |
84995525 KS |
584 | /* |
585 | * Assume we will be in "edit file" mode, until | |
586 | * proven wrong. | |
587 | */ | |
588 | *aedit = 1; | |
c953e015 KS |
589 | switch (*name) { |
590 | case '%': | |
84995525 | 591 | *aedit = 0; |
d344b00c | 592 | strcpy(prevfile, mailname); |
c953e015 KS |
593 | if (name[1] != 0) { |
594 | strcpy(savename, myname); | |
2b6cb640 | 595 | strcpy(oldmailname, mailname); |
c953e015 KS |
596 | strncpy(myname, name+1, PATHSIZE-1); |
597 | myname[PATHSIZE-1] = 0; | |
598 | findmail(); | |
2b6cb640 | 599 | cp = savestr(mailname); |
c953e015 | 600 | strcpy(myname, savename); |
2b6cb640 | 601 | strcpy(mailname, oldmailname); |
c953e015 KS |
602 | return(cp); |
603 | } | |
2b6cb640 | 604 | strcpy(oldmailname, mailname); |
c953e015 | 605 | findmail(); |
2b6cb640 KS |
606 | cp = savestr(mailname); |
607 | strcpy(mailname, oldmailname); | |
608 | return(cp); | |
c953e015 KS |
609 | |
610 | case '#': | |
611 | if (name[1] != 0) | |
612 | goto regular; | |
613 | if (prevfile[0] == 0) { | |
614 | printf("No previous file\n"); | |
615 | return(NOSTR); | |
616 | } | |
2b6cb640 | 617 | cp = savestr(prevfile); |
d344b00c | 618 | strcpy(prevfile, mailname); |
2b6cb640 | 619 | return(cp); |
1031a04a | 620 | |
c953e015 | 621 | case '&': |
d344b00c | 622 | strcpy(prevfile, mailname); |
c953e015 KS |
623 | if (name[1] == 0) |
624 | return(mbox); | |
625 | /* Fall into . . . */ | |
626 | ||
627 | default: | |
628 | regular: | |
d344b00c | 629 | strcpy(prevfile, mailname); |
c953e015 KS |
630 | cp = expand(name); |
631 | return(cp); | |
632 | } | |
ca6bb034 KS |
633 | } |
634 | ||
635 | /* | |
636 | * Expand file names like echo | |
637 | */ | |
638 | ||
639 | echo(argv) | |
640 | char **argv; | |
641 | { | |
642 | register char **ap; | |
643 | register char *cp; | |
644 | ||
645 | for (ap = argv; *ap != NOSTR; ap++) { | |
646 | cp = *ap; | |
647 | if ((cp = expand(cp)) != NOSTR) | |
9e60d092 | 648 | printf("%s ", cp); |
ca6bb034 KS |
649 | } |
650 | return(0); | |
651 | } | |
652 | ||
653 | /* | |
654 | * Reply to a series of messages by simply mailing to the senders | |
655 | * and not messing around with the To: and Cc: lists as in normal | |
656 | * reply. | |
657 | */ | |
658 | ||
659 | Respond(msgvec) | |
660 | int msgvec[]; | |
661 | { | |
662 | struct header head; | |
663 | struct message *mp; | |
664 | register int s, *ap; | |
665 | register char *cp, *subject; | |
666 | ||
667 | for (s = 0, ap = msgvec; *ap != 0; ap++) { | |
668 | mp = &message[*ap - 1]; | |
669 | dot = mp; | |
35bddd51 | 670 | s += strlen(nameof(mp, 2)) + 1; |
ca6bb034 KS |
671 | } |
672 | if (s == 0) | |
673 | return(0); | |
674 | cp = salloc(s + 2); | |
675 | head.h_to = cp; | |
676 | for (ap = msgvec; *ap != 0; ap++) { | |
677 | mp = &message[*ap - 1]; | |
35bddd51 | 678 | cp = copy(nameof(mp, 2), cp); |
ca6bb034 KS |
679 | *cp++ = ' '; |
680 | } | |
681 | *--cp = 0; | |
682 | mp = &message[msgvec[0] - 1]; | |
683 | subject = hfield("subject", mp); | |
684 | head.h_seq = 0; | |
685 | if (subject == NOSTR) | |
686 | subject = hfield("subj", mp); | |
fc8872bb | 687 | head.h_subject = reedit(subject); |
ca6bb034 KS |
688 | if (subject != NOSTR) |
689 | head.h_seq++; | |
690 | head.h_cc = NOSTR; | |
691 | head.h_bcc = NOSTR; | |
692 | mail1(&head); | |
693 | return(0); | |
694 | } | |
d344b00c KS |
695 | |
696 | /* | |
697 | * Conditional commands. These allow one to parameterize one's | |
698 | * .mailrc and do some things if sending, others if receiving. | |
699 | */ | |
700 | ||
701 | ifcmd(argv) | |
702 | char **argv; | |
703 | { | |
704 | register char *cp; | |
705 | ||
706 | if (cond != CANY) { | |
707 | printf("Illegal nested \"if\"\n"); | |
708 | return(1); | |
709 | } | |
710 | cond = CANY; | |
711 | cp = argv[0]; | |
712 | switch (*cp) { | |
713 | case 'r': case 'R': | |
714 | cond = CRCV; | |
715 | break; | |
716 | ||
717 | case 's': case 'S': | |
718 | cond = CSEND; | |
719 | break; | |
720 | ||
721 | default: | |
722 | printf("Unrecognized if-keyword: \"%s\"\n", cp); | |
723 | return(1); | |
724 | } | |
725 | return(0); | |
726 | } | |
727 | ||
728 | /* | |
729 | * Implement 'else'. This is pretty simple -- we just | |
730 | * flip over the conditional flag. | |
731 | */ | |
732 | ||
733 | elsecmd() | |
734 | { | |
735 | ||
736 | switch (cond) { | |
737 | case CANY: | |
738 | printf("\"Else\" without matching \"if\"\n"); | |
739 | return(1); | |
740 | ||
741 | case CSEND: | |
742 | cond = CRCV; | |
743 | break; | |
744 | ||
745 | case CRCV: | |
746 | cond = CSEND; | |
747 | break; | |
748 | ||
749 | default: | |
750 | printf("Mail's idea of conditions is screwed up\n"); | |
751 | cond = CANY; | |
752 | break; | |
753 | } | |
754 | return(0); | |
755 | } | |
756 | ||
757 | /* | |
758 | * End of if statement. Just set cond back to anything. | |
759 | */ | |
760 | ||
761 | endifcmd() | |
762 | { | |
763 | ||
764 | if (cond == CANY) { | |
765 | printf("\"Endif\" without matching \"if\"\n"); | |
766 | return(1); | |
767 | } | |
768 | cond = CANY; | |
769 | return(0); | |
770 | } | |
1c04ff22 KS |
771 | |
772 | /* | |
773 | * Set the list of alternate names. | |
774 | */ | |
775 | alternates(namelist) | |
776 | char **namelist; | |
777 | { | |
778 | register int c; | |
779 | register char **ap, **ap2, *cp; | |
780 | ||
781 | c = argcount(namelist) + 1; | |
782 | if (c == 1) { | |
783 | if (altnames == 0) | |
784 | return(0); | |
785 | for (ap = altnames; *ap; ap++) | |
786 | printf("%s ", *ap); | |
787 | printf("\n"); | |
788 | return(0); | |
789 | } | |
790 | if (altnames != 0) | |
791 | cfree((char *) altnames); | |
792 | altnames = (char **) calloc(c, sizeof (char *)); | |
793 | for (ap = namelist, ap2 = altnames; *ap; ap++, ap2++) { | |
794 | cp = (char *) calloc(strlen(*ap) + 1, sizeof (char)); | |
795 | strcpy(cp, *ap); | |
796 | *ap2 = cp; | |
797 | } | |
798 | *ap2 = 0; | |
799 | return(0); | |
800 | } |