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 | ||
c179b6f2 | 12 | static char *SccsId = "@(#)cmd3.c 2.4 %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) { | |
36 | for (t = 2; t < 4; t++) | |
37 | if (sig[t-2] != SIG_IGN) | |
5f38a28f | 38 | sigsys(t, SIG_DFL); |
e8adee6e | 39 | execl(Shell, Shell, "-c", cmd, 0); |
ca6bb034 KS |
40 | perror(Shell); |
41 | _exit(1); | |
42 | } | |
43 | while (wait(stat) != t) | |
44 | ; | |
45 | if (t == -1) | |
46 | perror("fork"); | |
47 | for (t = 2; t < 4; t++) | |
5f38a28f | 48 | sigset(t, sig[t-2]); |
ca6bb034 KS |
49 | printf("!\n"); |
50 | return(0); | |
51 | } | |
52 | ||
53 | /* | |
54 | * Fork an interactive shell. | |
55 | */ | |
56 | ||
57 | dosh(str) | |
58 | char *str; | |
59 | { | |
60 | int (*sig[2])(), stat[1]; | |
61 | register int t; | |
62 | char *Shell; | |
ca6bb034 KS |
63 | if ((Shell = value("SHELL")) == NOSTR) |
64 | Shell = SHELL; | |
65 | for (t = 2; t < 4; t++) | |
5f38a28f | 66 | sig[t-2] = sigset(t, SIG_IGN); |
ca6bb034 KS |
67 | t = vfork(); |
68 | if (t == 0) { | |
69 | for (t = 2; t < 4; t++) | |
70 | if (sig[t-2] != SIG_IGN) | |
5f38a28f | 71 | sigsys(t, SIG_DFL); |
ca6bb034 KS |
72 | execl(Shell, Shell, 0); |
73 | perror(Shell); | |
74 | _exit(1); | |
75 | } | |
76 | while (wait(stat) != t) | |
77 | ; | |
78 | if (t == -1) | |
79 | perror("fork"); | |
80 | for (t = 2; t < 4; t++) | |
5f38a28f | 81 | sigsys(t, sig[t-2]); |
ca6bb034 KS |
82 | putchar('\n'); |
83 | return(0); | |
84 | } | |
85 | ||
e8adee6e KS |
86 | /* |
87 | * Expand the shell escape by expanding unescaped !'s into the | |
88 | * last issued command where possible. | |
89 | */ | |
90 | ||
91 | char lastbang[128]; | |
92 | ||
93 | bangexp(str) | |
94 | char *str; | |
95 | { | |
96 | char bangbuf[BUFSIZ]; | |
97 | register char *cp, *cp2; | |
98 | register int n; | |
99 | int changed = 0; | |
100 | ||
101 | cp = str; | |
102 | cp2 = bangbuf; | |
103 | n = BUFSIZ; | |
104 | while (*cp) { | |
105 | if (*cp == '!') { | |
106 | if (n < strlen(lastbang)) { | |
107 | overf: | |
108 | printf("Command buffer overflow\n"); | |
109 | return(-1); | |
110 | } | |
111 | changed++; | |
112 | strcpy(cp2, lastbang); | |
113 | cp2 += strlen(lastbang); | |
114 | n -= strlen(lastbang); | |
115 | cp++; | |
116 | continue; | |
117 | } | |
118 | if (*cp == '\\' && cp[1] == '!') { | |
119 | if (--n <= 1) | |
120 | goto overf; | |
121 | *cp2++ = '!'; | |
122 | cp += 2; | |
123 | changed++; | |
124 | } | |
125 | if (--n <= 1) | |
126 | goto overf; | |
127 | *cp2++ = *cp++; | |
128 | } | |
129 | *cp2 = 0; | |
130 | if (changed) { | |
131 | printf("!%s\n", bangbuf); | |
132 | fflush(stdout); | |
133 | } | |
134 | strcpy(str, bangbuf); | |
135 | strncpy(lastbang, bangbuf, 128); | |
136 | lastbang[127] = 0; | |
137 | return(0); | |
138 | } | |
139 | ||
ca6bb034 KS |
140 | /* |
141 | * Print out a nice help message from some file or another. | |
142 | */ | |
143 | ||
144 | help() | |
145 | { | |
146 | register c; | |
147 | register FILE *f; | |
148 | ||
149 | if ((f = fopen(HELPFILE, "r")) == NULL) { | |
150 | printf("No help just now.\n"); | |
151 | return(1); | |
152 | } | |
153 | while ((c = getc(f)) != EOF) | |
154 | putchar(c); | |
155 | fclose(f); | |
156 | return(0); | |
157 | } | |
158 | ||
159 | /* | |
160 | * Change user's working directory. | |
161 | */ | |
162 | ||
163 | schdir(str) | |
164 | char *str; | |
165 | { | |
166 | register char *cp; | |
167 | ||
168 | for (cp = str; *cp == ' '; cp++) | |
169 | ; | |
170 | if (*cp == '\0') | |
171 | cp = homedir; | |
172 | else | |
173 | if ((cp = expand(cp)) == NOSTR) | |
174 | return(1); | |
175 | if (chdir(cp) < 0) { | |
176 | perror(cp); | |
177 | return(1); | |
178 | } | |
179 | return(0); | |
180 | } | |
181 | ||
182 | /* | |
183 | * Reply to a list of messages. Extract each name from the | |
184 | * message header and send them off to mail1() | |
185 | */ | |
186 | ||
187 | respond(msgvec) | |
188 | int *msgvec; | |
189 | { | |
190 | struct message *mp; | |
1c04ff22 | 191 | char *cp, buf[2 * LINESIZE], *rcv, *replyto, **ap; |
ca6bb034 KS |
192 | struct name *np; |
193 | struct header head; | |
194 | char *netmap(); | |
195 | ||
196 | if (msgvec[1] != 0) { | |
197 | printf("Sorry, can't reply to multiple messages at once\n"); | |
198 | return(1); | |
199 | } | |
200 | mp = &message[msgvec[0] - 1]; | |
201 | dot = mp; | |
fc8872bb | 202 | rcv = nameof(mp, 1); |
35bddd51 | 203 | replyto = skin(hfield("reply-to", mp)); |
ca6bb034 | 204 | strcpy(buf, ""); |
52984be9 KS |
205 | if (replyto != NOSTR) |
206 | strcpy(buf, replyto); | |
207 | else { | |
208 | cp = hfield("to", mp); | |
209 | if (cp != NOSTR) | |
210 | strcpy(buf, cp); | |
211 | } | |
ca6bb034 KS |
212 | np = elide(extract(buf, GTO)); |
213 | /* rcv = rename(rcv); */ | |
214 | mapf(np, rcv); | |
1c04ff22 KS |
215 | /* |
216 | * Delete my name from the reply list, | |
217 | * and with it, all my alternate names. | |
218 | */ | |
ca6bb034 | 219 | np = delname(np, myname); |
1c04ff22 KS |
220 | if (altnames != 0) |
221 | for (ap = altnames; *ap; ap++) | |
222 | np = delname(np, *ap); | |
ca6bb034 KS |
223 | head.h_seq = 1; |
224 | cp = detract(np, 0); | |
52984be9 | 225 | if (cp != NOSTR && replyto == NOSTR) { |
ca6bb034 KS |
226 | strcpy(buf, cp); |
227 | strcat(buf, " "); | |
228 | strcat(buf, rcv); | |
229 | } | |
52984be9 KS |
230 | else { |
231 | if (cp == NOSTR && replyto != NOSTR) | |
232 | printf("Empty reply-to field -- replying to author\n"); | |
233 | if (cp == NOSTR) | |
234 | strcpy(buf, rcv); | |
235 | else | |
236 | strcpy(buf, cp); | |
237 | } | |
ca6bb034 KS |
238 | head.h_to = buf; |
239 | head.h_subject = hfield("subject", mp); | |
240 | if (head.h_subject == NOSTR) | |
241 | head.h_subject = hfield("subj", mp); | |
fc8872bb | 242 | head.h_subject = reedit(head.h_subject); |
ca6bb034 | 243 | head.h_cc = NOSTR; |
52984be9 KS |
244 | if (replyto == NOSTR) { |
245 | cp = hfield("cc", mp); | |
246 | if (cp != NOSTR) { | |
247 | np = elide(extract(cp, GCC)); | |
248 | mapf(np, rcv); | |
249 | np = delname(np, myname); | |
2a8a6697 KS |
250 | if (altnames != 0) |
251 | for (ap = altnames; *ap; ap++) | |
252 | np = delname(np, *ap); | |
52984be9 KS |
253 | head.h_cc = detract(np, 0); |
254 | } | |
ca6bb034 KS |
255 | } |
256 | head.h_bcc = NOSTR; | |
257 | mail1(&head); | |
258 | return(0); | |
259 | } | |
260 | ||
fc8872bb KS |
261 | /* |
262 | * Modify the subject we are replying to to begin with Re: if | |
263 | * it does not already. | |
264 | */ | |
265 | ||
266 | char * | |
267 | reedit(subj) | |
268 | char *subj; | |
269 | { | |
270 | char sbuf[10]; | |
271 | register char *newsubj; | |
272 | ||
273 | if (subj == NOSTR) | |
274 | return(NOSTR); | |
275 | strncpy(sbuf, subj, 3); | |
276 | sbuf[3] = 0; | |
277 | if (icequal(sbuf, "re:")) | |
278 | return(subj); | |
279 | newsubj = salloc(strlen(subj) + 6); | |
280 | sprintf(newsubj, "Re: %s", subj); | |
281 | return(newsubj); | |
282 | } | |
283 | ||
ca6bb034 KS |
284 | /* |
285 | * Preserve the named messages, so that they will be sent | |
286 | * back to the system mailbox. | |
287 | */ | |
288 | ||
289 | preserve(msgvec) | |
290 | int *msgvec; | |
291 | { | |
292 | register struct message *mp; | |
293 | register int *ip, mesg; | |
294 | ||
295 | if (edit) { | |
296 | printf("Cannot \"preserve\" in edit mode\n"); | |
297 | return(1); | |
298 | } | |
299 | for (ip = msgvec; *ip != NULL; ip++) { | |
300 | mesg = *ip; | |
301 | mp = &message[mesg-1]; | |
302 | mp->m_flag |= MPRESERVE; | |
8fe58892 | 303 | mp->m_flag &= ~MBOX; |
ca6bb034 KS |
304 | dot = mp; |
305 | } | |
306 | return(0); | |
307 | } | |
308 | ||
309 | /* | |
310 | * Print the size of each message. | |
311 | */ | |
312 | ||
313 | messize(msgvec) | |
314 | int *msgvec; | |
315 | { | |
316 | register struct message *mp; | |
317 | register int *ip, mesg; | |
318 | ||
319 | for (ip = msgvec; *ip != NULL; ip++) { | |
320 | mesg = *ip; | |
321 | mp = &message[mesg-1]; | |
322 | printf("%d: %d\n", mesg, msize(mp)); | |
323 | } | |
324 | return(0); | |
325 | } | |
326 | ||
327 | /* | |
328 | * Quit quickly. If we are sourcing, just pop the input level | |
329 | * by returning an error. | |
330 | */ | |
331 | ||
332 | rexit(e) | |
333 | { | |
334 | if (sourcing) | |
335 | return(1); | |
c179b6f2 KS |
336 | if (Tflag != NOSTR) |
337 | close(creat(Tflag, 0600)); | |
ca6bb034 KS |
338 | exit(e); |
339 | } | |
340 | ||
341 | /* | |
342 | * Set or display a variable value. Syntax is similar to that | |
343 | * of csh. | |
344 | */ | |
345 | ||
346 | set(arglist) | |
347 | char **arglist; | |
348 | { | |
349 | register struct var *vp; | |
350 | register char *cp, *cp2; | |
351 | char varbuf[BUFSIZ], **ap, **p; | |
352 | int errs, h, s; | |
353 | ||
354 | if (argcount(arglist) == 0) { | |
355 | for (h = 0, s = 1; h < HSHSIZE; h++) | |
356 | for (vp = variables[h]; vp != NOVAR; vp = vp->v_link) | |
357 | s++; | |
358 | ap = (char **) salloc(s * sizeof *ap); | |
359 | for (h = 0, p = ap; h < HSHSIZE; h++) | |
360 | for (vp = variables[h]; vp != NOVAR; vp = vp->v_link) | |
361 | *p++ = vp->v_name; | |
362 | *p = NOSTR; | |
363 | sort(ap); | |
364 | for (p = ap; *p != NOSTR; p++) | |
365 | printf("%s\t%s\n", *p, value(*p)); | |
366 | return(0); | |
367 | } | |
368 | errs = 0; | |
369 | for (ap = arglist; *ap != NOSTR; ap++) { | |
370 | cp = *ap; | |
371 | cp2 = varbuf; | |
372 | while (*cp != '=' && *cp != '\0') | |
373 | *cp2++ = *cp++; | |
374 | *cp2 = '\0'; | |
375 | if (*cp == '\0') | |
376 | cp = ""; | |
377 | else | |
378 | cp++; | |
379 | if (equal(varbuf, "")) { | |
380 | printf("Non-null variable name required\n"); | |
381 | errs++; | |
382 | continue; | |
383 | } | |
384 | assign(varbuf, cp); | |
385 | } | |
386 | return(errs); | |
387 | } | |
388 | ||
389 | /* | |
390 | * Unset a bunch of variable values. | |
391 | */ | |
392 | ||
393 | unset(arglist) | |
394 | char **arglist; | |
395 | { | |
396 | register struct var *vp, *vp2; | |
397 | register char *cp; | |
398 | int errs, h; | |
399 | char **ap; | |
400 | ||
401 | errs = 0; | |
402 | for (ap = arglist; *ap != NOSTR; ap++) { | |
403 | if ((vp2 = lookup(*ap)) == NOVAR) { | |
404 | if (!sourcing) { | |
405 | printf("\"%s\": undefined variable\n", *ap); | |
406 | errs++; | |
407 | } | |
408 | continue; | |
409 | } | |
410 | h = hash(*ap); | |
411 | if (vp2 == variables[h]) { | |
412 | variables[h] = variables[h]->v_link; | |
413 | vfree(vp2->v_name); | |
414 | vfree(vp2->v_value); | |
415 | cfree(vp2); | |
416 | continue; | |
417 | } | |
418 | for (vp = variables[h]; vp->v_link != vp2; vp = vp->v_link) | |
419 | ; | |
420 | vp->v_link = vp2->v_link; | |
421 | vfree(vp2->v_name); | |
422 | vfree(vp2->v_value); | |
423 | cfree(vp2); | |
424 | } | |
425 | return(errs); | |
426 | } | |
427 | ||
428 | /* | |
429 | * Put add users to a group. | |
430 | */ | |
431 | ||
432 | group(argv) | |
433 | char **argv; | |
434 | { | |
435 | register struct grouphead *gh; | |
436 | register struct group *gp; | |
437 | register int h; | |
438 | int s; | |
439 | char **ap, *gname, **p; | |
440 | ||
441 | if (argcount(argv) == 0) { | |
442 | for (h = 0, s = 1; h < HSHSIZE; h++) | |
443 | for (gh = groups[h]; gh != NOGRP; gh = gh->g_link) | |
444 | s++; | |
445 | ap = (char **) salloc(s * sizeof *ap); | |
446 | for (h = 0, p = ap; h < HSHSIZE; h++) | |
447 | for (gh = groups[h]; gh != NOGRP; gh = gh->g_link) | |
448 | *p++ = gh->g_name; | |
449 | *p = NOSTR; | |
450 | sort(ap); | |
451 | for (p = ap; *p != NOSTR; p++) | |
452 | printgroup(*p); | |
453 | return(0); | |
454 | } | |
455 | if (argcount(argv) == 1) { | |
456 | printgroup(*argv); | |
457 | return(0); | |
458 | } | |
459 | gname = *argv; | |
460 | h = hash(gname); | |
461 | if ((gh = findgroup(gname)) == NOGRP) { | |
462 | gh = (struct grouphead *) calloc(sizeof *gh, 1); | |
463 | gh->g_name = vcopy(gname); | |
464 | gh->g_list = NOGE; | |
465 | gh->g_link = groups[h]; | |
466 | groups[h] = gh; | |
467 | } | |
468 | ||
469 | /* | |
470 | * Insert names from the command list into the group. | |
471 | * Who cares if there are duplicates? They get tossed | |
472 | * later anyway. | |
473 | */ | |
474 | ||
475 | for (ap = argv+1; *ap != NOSTR; ap++) { | |
476 | gp = (struct group *) calloc(sizeof *gp, 1); | |
477 | gp->ge_name = vcopy(*ap); | |
478 | gp->ge_link = gh->g_list; | |
479 | gh->g_list = gp; | |
480 | } | |
481 | return(0); | |
482 | } | |
483 | ||
484 | /* | |
485 | * Sort the passed string vecotor into ascending dictionary | |
486 | * order. | |
487 | */ | |
488 | ||
489 | sort(list) | |
490 | char **list; | |
491 | { | |
492 | register char **ap; | |
493 | int diction(); | |
494 | ||
495 | for (ap = list; *ap != NOSTR; ap++) | |
496 | ; | |
497 | if (ap-list < 2) | |
498 | return; | |
499 | qsort(list, ap-list, sizeof *list, diction); | |
500 | } | |
501 | ||
502 | /* | |
503 | * Do a dictionary order comparison of the arguments from | |
504 | * qsort. | |
505 | */ | |
506 | ||
507 | diction(a, b) | |
508 | register char **a, **b; | |
509 | { | |
510 | return(strcmp(*a, *b)); | |
511 | } | |
512 | ||
513 | /* | |
514 | * The do nothing command for comments. | |
515 | */ | |
516 | ||
517 | null(e) | |
518 | { | |
519 | return(0); | |
520 | } | |
521 | ||
522 | /* | |
1031a04a | 523 | * Print out the current edit file, if we are editing. |
ca6bb034 KS |
524 | * Otherwise, print the name of the person who's mail |
525 | * we are reading. | |
526 | */ | |
527 | ||
1031a04a KS |
528 | file(argv) |
529 | char **argv; | |
ca6bb034 KS |
530 | { |
531 | register char *cp; | |
1031a04a | 532 | char fname[BUFSIZ]; |
ca6bb034 | 533 | |
1031a04a | 534 | if (argv[0] == NOSTR) { |
890194fb | 535 | newfileinfo(); |
1031a04a KS |
536 | return(0); |
537 | } | |
538 | ||
539 | /* | |
540 | * Acker's! Must switch to the new file. | |
541 | * We use a funny interpretation -- | |
542 | * # -- gets the previous file | |
543 | * % -- gets the invoker's post office box | |
544 | * %user -- gets someone else's post office box | |
c953e015 | 545 | * & -- gets invoker's mbox file |
1031a04a KS |
546 | * string -- reads the given file |
547 | */ | |
548 | ||
549 | cp = getfilename(argv[0]); | |
550 | if (cp == NOSTR) | |
551 | return(-1); | |
552 | return(setfile(cp, 1)); | |
553 | } | |
554 | ||
555 | /* | |
556 | * Evaluate the string given as a new mailbox name. | |
557 | * Ultimately, we want this to support a number of meta characters. | |
558 | * Possibly: | |
559 | * % -- for my system mail box | |
560 | * %user -- for user's system mail box | |
561 | * # -- for previous file | |
c953e015 | 562 | * & -- get's invoker's mbox file |
1031a04a KS |
563 | * file name -- for any other file |
564 | */ | |
565 | ||
d344b00c | 566 | char prevfile[PATHSIZE]; |
c953e015 | 567 | |
1031a04a KS |
568 | char * |
569 | getfilename(name) | |
570 | char *name; | |
571 | { | |
572 | register char *cp; | |
c953e015 | 573 | char savename[BUFSIZ]; |
2b6cb640 | 574 | char oldmailname[BUFSIZ]; |
c953e015 KS |
575 | |
576 | switch (*name) { | |
577 | case '%': | |
d344b00c | 578 | strcpy(prevfile, mailname); |
c953e015 KS |
579 | if (name[1] != 0) { |
580 | strcpy(savename, myname); | |
2b6cb640 | 581 | strcpy(oldmailname, mailname); |
c953e015 KS |
582 | strncpy(myname, name+1, PATHSIZE-1); |
583 | myname[PATHSIZE-1] = 0; | |
584 | findmail(); | |
2b6cb640 | 585 | cp = savestr(mailname); |
c953e015 | 586 | strcpy(myname, savename); |
2b6cb640 | 587 | strcpy(mailname, oldmailname); |
c953e015 KS |
588 | return(cp); |
589 | } | |
2b6cb640 | 590 | strcpy(oldmailname, mailname); |
c953e015 | 591 | findmail(); |
2b6cb640 KS |
592 | cp = savestr(mailname); |
593 | strcpy(mailname, oldmailname); | |
594 | return(cp); | |
c953e015 KS |
595 | |
596 | case '#': | |
597 | if (name[1] != 0) | |
598 | goto regular; | |
599 | if (prevfile[0] == 0) { | |
600 | printf("No previous file\n"); | |
601 | return(NOSTR); | |
602 | } | |
2b6cb640 | 603 | cp = savestr(prevfile); |
d344b00c | 604 | strcpy(prevfile, mailname); |
2b6cb640 | 605 | return(cp); |
1031a04a | 606 | |
c953e015 | 607 | case '&': |
d344b00c | 608 | strcpy(prevfile, mailname); |
c953e015 KS |
609 | if (name[1] == 0) |
610 | return(mbox); | |
611 | /* Fall into . . . */ | |
612 | ||
613 | default: | |
614 | regular: | |
d344b00c | 615 | strcpy(prevfile, mailname); |
c953e015 KS |
616 | cp = expand(name); |
617 | return(cp); | |
618 | } | |
ca6bb034 KS |
619 | } |
620 | ||
621 | /* | |
622 | * Expand file names like echo | |
623 | */ | |
624 | ||
625 | echo(argv) | |
626 | char **argv; | |
627 | { | |
628 | register char **ap; | |
629 | register char *cp; | |
630 | ||
631 | for (ap = argv; *ap != NOSTR; ap++) { | |
632 | cp = *ap; | |
633 | if ((cp = expand(cp)) != NOSTR) | |
9e60d092 | 634 | printf("%s ", cp); |
ca6bb034 KS |
635 | } |
636 | return(0); | |
637 | } | |
638 | ||
639 | /* | |
640 | * Reply to a series of messages by simply mailing to the senders | |
641 | * and not messing around with the To: and Cc: lists as in normal | |
642 | * reply. | |
643 | */ | |
644 | ||
645 | Respond(msgvec) | |
646 | int msgvec[]; | |
647 | { | |
648 | struct header head; | |
649 | struct message *mp; | |
650 | register int s, *ap; | |
651 | register char *cp, *subject; | |
652 | ||
653 | for (s = 0, ap = msgvec; *ap != 0; ap++) { | |
654 | mp = &message[*ap - 1]; | |
655 | dot = mp; | |
35bddd51 | 656 | s += strlen(nameof(mp, 2)) + 1; |
ca6bb034 KS |
657 | } |
658 | if (s == 0) | |
659 | return(0); | |
660 | cp = salloc(s + 2); | |
661 | head.h_to = cp; | |
662 | for (ap = msgvec; *ap != 0; ap++) { | |
663 | mp = &message[*ap - 1]; | |
35bddd51 | 664 | cp = copy(nameof(mp, 2), cp); |
ca6bb034 KS |
665 | *cp++ = ' '; |
666 | } | |
667 | *--cp = 0; | |
668 | mp = &message[msgvec[0] - 1]; | |
669 | subject = hfield("subject", mp); | |
670 | head.h_seq = 0; | |
671 | if (subject == NOSTR) | |
672 | subject = hfield("subj", mp); | |
fc8872bb | 673 | head.h_subject = reedit(subject); |
ca6bb034 KS |
674 | if (subject != NOSTR) |
675 | head.h_seq++; | |
676 | head.h_cc = NOSTR; | |
677 | head.h_bcc = NOSTR; | |
678 | mail1(&head); | |
679 | return(0); | |
680 | } | |
d344b00c KS |
681 | |
682 | /* | |
683 | * Conditional commands. These allow one to parameterize one's | |
684 | * .mailrc and do some things if sending, others if receiving. | |
685 | */ | |
686 | ||
687 | ifcmd(argv) | |
688 | char **argv; | |
689 | { | |
690 | register char *cp; | |
691 | ||
692 | if (cond != CANY) { | |
693 | printf("Illegal nested \"if\"\n"); | |
694 | return(1); | |
695 | } | |
696 | cond = CANY; | |
697 | cp = argv[0]; | |
698 | switch (*cp) { | |
699 | case 'r': case 'R': | |
700 | cond = CRCV; | |
701 | break; | |
702 | ||
703 | case 's': case 'S': | |
704 | cond = CSEND; | |
705 | break; | |
706 | ||
707 | default: | |
708 | printf("Unrecognized if-keyword: \"%s\"\n", cp); | |
709 | return(1); | |
710 | } | |
711 | return(0); | |
712 | } | |
713 | ||
714 | /* | |
715 | * Implement 'else'. This is pretty simple -- we just | |
716 | * flip over the conditional flag. | |
717 | */ | |
718 | ||
719 | elsecmd() | |
720 | { | |
721 | ||
722 | switch (cond) { | |
723 | case CANY: | |
724 | printf("\"Else\" without matching \"if\"\n"); | |
725 | return(1); | |
726 | ||
727 | case CSEND: | |
728 | cond = CRCV; | |
729 | break; | |
730 | ||
731 | case CRCV: | |
732 | cond = CSEND; | |
733 | break; | |
734 | ||
735 | default: | |
736 | printf("Mail's idea of conditions is screwed up\n"); | |
737 | cond = CANY; | |
738 | break; | |
739 | } | |
740 | return(0); | |
741 | } | |
742 | ||
743 | /* | |
744 | * End of if statement. Just set cond back to anything. | |
745 | */ | |
746 | ||
747 | endifcmd() | |
748 | { | |
749 | ||
750 | if (cond == CANY) { | |
751 | printf("\"Endif\" without matching \"if\"\n"); | |
752 | return(1); | |
753 | } | |
754 | cond = CANY; | |
755 | return(0); | |
756 | } | |
1c04ff22 KS |
757 | |
758 | /* | |
759 | * Set the list of alternate names. | |
760 | */ | |
761 | alternates(namelist) | |
762 | char **namelist; | |
763 | { | |
764 | register int c; | |
765 | register char **ap, **ap2, *cp; | |
766 | ||
767 | c = argcount(namelist) + 1; | |
768 | if (c == 1) { | |
769 | if (altnames == 0) | |
770 | return(0); | |
771 | for (ap = altnames; *ap; ap++) | |
772 | printf("%s ", *ap); | |
773 | printf("\n"); | |
774 | return(0); | |
775 | } | |
776 | if (altnames != 0) | |
777 | cfree((char *) altnames); | |
778 | altnames = (char **) calloc(c, sizeof (char *)); | |
779 | for (ap = namelist, ap2 = altnames; *ap; ap++, ap2++) { | |
780 | cp = (char *) calloc(strlen(*ap) + 1, sizeof (char)); | |
781 | strcpy(cp, *ap); | |
782 | *ap2 = cp; | |
783 | } | |
784 | *ap2 = 0; | |
785 | return(0); | |
786 | } |