Commit | Line | Data |
---|---|---|
d0aeaf5a DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
0c5f72fb KB |
3 | * All rights reserved. |
4 | * | |
5 | * Redistribution and use in source and binary forms are permitted | |
6 | * provided that this notice is preserved and that due credit is given | |
7 | * to the University of California at Berkeley. The name of the University | |
8 | * may not be used to endorse or promote products derived from this | |
9 | * software without specific prior written permission. This software | |
10 | * is provided ``as is'' without express or implied warranty. | |
d0aeaf5a DF |
11 | */ |
12 | ||
0c5f72fb | 13 | #ifdef notdef |
09875e8e | 14 | static char sccsid[] = "@(#)cmd3.c 5.10 (Berkeley) %G%"; |
0c5f72fb | 15 | #endif /* notdef */ |
ca6bb034 KS |
16 | |
17 | #include "rcv.h" | |
18 | #include <sys/stat.h> | |
828615a1 | 19 | #include <sys/wait.h> |
ca6bb034 KS |
20 | |
21 | /* | |
22 | * Mail -- a mail program | |
23 | * | |
24 | * Still more user commands. | |
25 | */ | |
26 | ||
ca6bb034 KS |
27 | /* |
28 | * Process a shell escape by saving signals, ignoring signals, | |
29 | * and forking a sh -c | |
30 | */ | |
31 | ||
32 | shell(str) | |
33 | char *str; | |
34 | { | |
828615a1 EW |
35 | int (*sigint)(), (*sigquit)(); |
36 | union wait stat; | |
ca6bb034 KS |
37 | register int t; |
38 | char *Shell; | |
e8adee6e | 39 | char cmd[BUFSIZ]; |
ca6bb034 | 40 | |
e8adee6e KS |
41 | strcpy(cmd, str); |
42 | if (bangexp(cmd) < 0) | |
43 | return(-1); | |
ca6bb034 KS |
44 | if ((Shell = value("SHELL")) == NOSTR) |
45 | Shell = SHELL; | |
828615a1 EW |
46 | sigint = signal(SIGINT, SIG_IGN); |
47 | sigquit = signal(SIGQUIT, SIG_IGN); | |
ca6bb034 KS |
48 | t = vfork(); |
49 | if (t == 0) { | |
828615a1 EW |
50 | if (sigint != SIG_IGN) |
51 | signal(SIGINT, SIG_DFL); | |
52 | if (sigquit != SIG_IGN) | |
53 | signal(SIGQUIT, SIG_DFL); | |
397029be | 54 | execl(Shell, Shell, "-c", cmd, (char *)0); |
ca6bb034 KS |
55 | perror(Shell); |
56 | _exit(1); | |
57 | } | |
828615a1 | 58 | while (wait(&stat) != t) |
ca6bb034 KS |
59 | ; |
60 | if (t == -1) | |
61 | perror("fork"); | |
828615a1 EW |
62 | signal(SIGINT, sigint); |
63 | signal(SIGQUIT, sigquit); | |
ca6bb034 KS |
64 | printf("!\n"); |
65 | return(0); | |
66 | } | |
67 | ||
68 | /* | |
69 | * Fork an interactive shell. | |
70 | */ | |
71 | ||
828615a1 | 72 | /*ARGSUSED*/ |
ca6bb034 KS |
73 | dosh(str) |
74 | char *str; | |
75 | { | |
828615a1 EW |
76 | int (*sigint)(), (*sigquit)(); |
77 | union wait stat; | |
ca6bb034 KS |
78 | register int t; |
79 | char *Shell; | |
828615a1 | 80 | |
ca6bb034 KS |
81 | if ((Shell = value("SHELL")) == NOSTR) |
82 | Shell = SHELL; | |
828615a1 EW |
83 | sigint = signal(SIGINT, SIG_IGN); |
84 | sigquit = signal(SIGQUIT, SIG_IGN); | |
ca6bb034 KS |
85 | t = vfork(); |
86 | if (t == 0) { | |
828615a1 EW |
87 | if (sigint != SIG_IGN) |
88 | signal(SIGINT, SIG_DFL); | |
89 | if (sigquit != SIG_IGN) | |
90 | signal(SIGQUIT, SIG_DFL); | |
397029be | 91 | execl(Shell, Shell, (char *)0); |
ca6bb034 KS |
92 | perror(Shell); |
93 | _exit(1); | |
94 | } | |
828615a1 | 95 | while (wait(&stat) != t) |
ca6bb034 KS |
96 | ; |
97 | if (t == -1) | |
98 | perror("fork"); | |
828615a1 EW |
99 | signal(SIGINT, sigint); |
100 | signal(SIGQUIT, sigquit); | |
ca6bb034 KS |
101 | putchar('\n'); |
102 | return(0); | |
103 | } | |
104 | ||
e8adee6e KS |
105 | /* |
106 | * Expand the shell escape by expanding unescaped !'s into the | |
107 | * last issued command where possible. | |
108 | */ | |
109 | ||
110 | char lastbang[128]; | |
111 | ||
112 | bangexp(str) | |
113 | char *str; | |
114 | { | |
115 | char bangbuf[BUFSIZ]; | |
116 | register char *cp, *cp2; | |
117 | register int n; | |
118 | int changed = 0; | |
119 | ||
120 | cp = str; | |
121 | cp2 = bangbuf; | |
122 | n = BUFSIZ; | |
123 | while (*cp) { | |
124 | if (*cp == '!') { | |
125 | if (n < strlen(lastbang)) { | |
126 | overf: | |
127 | printf("Command buffer overflow\n"); | |
128 | return(-1); | |
129 | } | |
130 | changed++; | |
131 | strcpy(cp2, lastbang); | |
132 | cp2 += strlen(lastbang); | |
133 | n -= strlen(lastbang); | |
134 | cp++; | |
135 | continue; | |
136 | } | |
137 | if (*cp == '\\' && cp[1] == '!') { | |
138 | if (--n <= 1) | |
139 | goto overf; | |
140 | *cp2++ = '!'; | |
141 | cp += 2; | |
142 | changed++; | |
143 | } | |
144 | if (--n <= 1) | |
145 | goto overf; | |
146 | *cp2++ = *cp++; | |
147 | } | |
148 | *cp2 = 0; | |
149 | if (changed) { | |
150 | printf("!%s\n", bangbuf); | |
151 | fflush(stdout); | |
152 | } | |
153 | strcpy(str, bangbuf); | |
154 | strncpy(lastbang, bangbuf, 128); | |
155 | lastbang[127] = 0; | |
156 | return(0); | |
157 | } | |
158 | ||
ca6bb034 KS |
159 | /* |
160 | * Print out a nice help message from some file or another. | |
161 | */ | |
162 | ||
163 | help() | |
164 | { | |
165 | register c; | |
166 | register FILE *f; | |
167 | ||
168 | if ((f = fopen(HELPFILE, "r")) == NULL) { | |
7949d400 | 169 | perror(HELPFILE); |
ca6bb034 KS |
170 | return(1); |
171 | } | |
172 | while ((c = getc(f)) != EOF) | |
173 | putchar(c); | |
174 | fclose(f); | |
175 | return(0); | |
176 | } | |
177 | ||
178 | /* | |
179 | * Change user's working directory. | |
180 | */ | |
181 | ||
182 | schdir(str) | |
183 | char *str; | |
184 | { | |
185 | register char *cp; | |
186 | ||
187 | for (cp = str; *cp == ' '; cp++) | |
188 | ; | |
189 | if (*cp == '\0') | |
190 | cp = homedir; | |
191 | else | |
192 | if ((cp = expand(cp)) == NOSTR) | |
193 | return(1); | |
194 | if (chdir(cp) < 0) { | |
195 | perror(cp); | |
196 | return(1); | |
197 | } | |
198 | return(0); | |
199 | } | |
200 | ||
397029be S |
201 | respond(msgvec) |
202 | int *msgvec; | |
203 | { | |
204 | if (value("Replyall") == NOSTR) | |
205 | return (_respond(msgvec)); | |
206 | else | |
207 | return (_Respond(msgvec)); | |
208 | } | |
209 | ||
ca6bb034 KS |
210 | /* |
211 | * Reply to a list of messages. Extract each name from the | |
212 | * message header and send them off to mail1() | |
213 | */ | |
214 | ||
397029be | 215 | _respond(msgvec) |
ca6bb034 KS |
216 | int *msgvec; |
217 | { | |
218 | struct message *mp; | |
828615a1 | 219 | char *cp, *rcv, *replyto; |
7949d400 | 220 | char buf[2 * LINESIZE], **ap; |
ca6bb034 KS |
221 | struct name *np; |
222 | struct header head; | |
ca6bb034 KS |
223 | |
224 | if (msgvec[1] != 0) { | |
225 | printf("Sorry, can't reply to multiple messages at once\n"); | |
226 | return(1); | |
227 | } | |
228 | mp = &message[msgvec[0] - 1]; | |
229 | dot = mp; | |
a0bc099a | 230 | rcv = NOSTR; |
bdad82b3 | 231 | cp = skin(nameof(mp, 1)); |
a0bc099a CL |
232 | if (cp != NOSTR) |
233 | rcv = cp; | |
bdad82b3 | 234 | cp = skin(hfield("from", mp)); |
a0bc099a CL |
235 | if (cp != NOSTR) |
236 | rcv = cp; | |
35bddd51 | 237 | replyto = skin(hfield("reply-to", mp)); |
ca6bb034 | 238 | strcpy(buf, ""); |
52984be9 KS |
239 | if (replyto != NOSTR) |
240 | strcpy(buf, replyto); | |
241 | else { | |
bdad82b3 | 242 | cp = skin(hfield("to", mp)); |
52984be9 KS |
243 | if (cp != NOSTR) |
244 | strcpy(buf, cp); | |
245 | } | |
ca6bb034 | 246 | np = elide(extract(buf, GTO)); |
1c04ff22 KS |
247 | /* |
248 | * Delete my name from the reply list, | |
249 | * and with it, all my alternate names. | |
250 | */ | |
7949d400 CL |
251 | np = delname(np, myname, icequal); |
252 | if (altnames) | |
1c04ff22 | 253 | for (ap = altnames; *ap; ap++) |
7949d400 | 254 | np = delname(np, *ap, icequal); |
ca6bb034 | 255 | head.h_seq = 1; |
bdad82b3 | 256 | cp = detract(np, 0); |
52984be9 | 257 | if (cp != NOSTR && replyto == NOSTR) { |
ca6bb034 | 258 | strcpy(buf, cp); |
bdad82b3 | 259 | strcat(buf, " "); |
ca6bb034 KS |
260 | strcat(buf, rcv); |
261 | } | |
52984be9 KS |
262 | else { |
263 | if (cp == NOSTR && replyto != NOSTR) | |
264 | printf("Empty reply-to field -- replying to author\n"); | |
265 | if (cp == NOSTR) | |
266 | strcpy(buf, rcv); | |
267 | else | |
268 | strcpy(buf, cp); | |
269 | } | |
ca6bb034 KS |
270 | head.h_to = buf; |
271 | head.h_subject = hfield("subject", mp); | |
272 | if (head.h_subject == NOSTR) | |
273 | head.h_subject = hfield("subj", mp); | |
fc8872bb | 274 | head.h_subject = reedit(head.h_subject); |
ca6bb034 | 275 | head.h_cc = NOSTR; |
52984be9 | 276 | if (replyto == NOSTR) { |
828615a1 | 277 | cp = skin(hfield("cc", mp)); |
52984be9 KS |
278 | if (cp != NOSTR) { |
279 | np = elide(extract(cp, GCC)); | |
7949d400 | 280 | np = delname(np, myname, icequal); |
2a8a6697 KS |
281 | if (altnames != 0) |
282 | for (ap = altnames; *ap; ap++) | |
7949d400 | 283 | np = delname(np, *ap, icequal); |
52984be9 KS |
284 | head.h_cc = detract(np, 0); |
285 | } | |
ca6bb034 KS |
286 | } |
287 | head.h_bcc = NOSTR; | |
790344bc | 288 | head.h_smopts = NOSTR; |
ca6bb034 KS |
289 | mail1(&head); |
290 | return(0); | |
291 | } | |
292 | ||
fc8872bb KS |
293 | /* |
294 | * Modify the subject we are replying to to begin with Re: if | |
295 | * it does not already. | |
296 | */ | |
297 | ||
298 | char * | |
299 | reedit(subj) | |
300 | char *subj; | |
301 | { | |
302 | char sbuf[10]; | |
303 | register char *newsubj; | |
304 | ||
305 | if (subj == NOSTR) | |
306 | return(NOSTR); | |
307 | strncpy(sbuf, subj, 3); | |
308 | sbuf[3] = 0; | |
309 | if (icequal(sbuf, "re:")) | |
310 | return(subj); | |
311 | newsubj = salloc(strlen(subj) + 6); | |
828615a1 | 312 | sprintf(newsubj, "Re: %s", subj); |
fc8872bb KS |
313 | return(newsubj); |
314 | } | |
315 | ||
ca6bb034 KS |
316 | /* |
317 | * Preserve the named messages, so that they will be sent | |
318 | * back to the system mailbox. | |
319 | */ | |
320 | ||
321 | preserve(msgvec) | |
322 | int *msgvec; | |
323 | { | |
324 | register struct message *mp; | |
325 | register int *ip, mesg; | |
326 | ||
327 | if (edit) { | |
328 | printf("Cannot \"preserve\" in edit mode\n"); | |
329 | return(1); | |
330 | } | |
331 | for (ip = msgvec; *ip != NULL; ip++) { | |
332 | mesg = *ip; | |
333 | mp = &message[mesg-1]; | |
334 | mp->m_flag |= MPRESERVE; | |
8fe58892 | 335 | mp->m_flag &= ~MBOX; |
ca6bb034 KS |
336 | dot = mp; |
337 | } | |
338 | return(0); | |
339 | } | |
340 | ||
397029be S |
341 | /* |
342 | * Mark all given messages as unread. | |
343 | */ | |
344 | unread(msgvec) | |
345 | int msgvec[]; | |
346 | { | |
347 | register int *ip; | |
348 | ||
349 | for (ip = msgvec; *ip != NULL; ip++) { | |
350 | dot = &message[*ip-1]; | |
351 | dot->m_flag &= ~(MREAD|MTOUCH); | |
352 | dot->m_flag |= MSTATUS; | |
353 | } | |
354 | return(0); | |
355 | } | |
356 | ||
ca6bb034 KS |
357 | /* |
358 | * Print the size of each message. | |
359 | */ | |
360 | ||
361 | messize(msgvec) | |
362 | int *msgvec; | |
363 | { | |
364 | register struct message *mp; | |
365 | register int *ip, mesg; | |
366 | ||
367 | for (ip = msgvec; *ip != NULL; ip++) { | |
368 | mesg = *ip; | |
369 | mp = &message[mesg-1]; | |
397029be | 370 | printf("%d: %d/%ld\n", mesg, mp->m_lines, mp->m_size); |
ca6bb034 KS |
371 | } |
372 | return(0); | |
373 | } | |
374 | ||
375 | /* | |
376 | * Quit quickly. If we are sourcing, just pop the input level | |
377 | * by returning an error. | |
378 | */ | |
379 | ||
380 | rexit(e) | |
381 | { | |
382 | if (sourcing) | |
383 | return(1); | |
384 | exit(e); | |
828615a1 | 385 | /*NOTREACHED*/ |
ca6bb034 KS |
386 | } |
387 | ||
388 | /* | |
389 | * Set or display a variable value. Syntax is similar to that | |
390 | * of csh. | |
391 | */ | |
392 | ||
393 | set(arglist) | |
394 | char **arglist; | |
395 | { | |
396 | register struct var *vp; | |
397 | register char *cp, *cp2; | |
398 | char varbuf[BUFSIZ], **ap, **p; | |
399 | int errs, h, s; | |
400 | ||
401 | if (argcount(arglist) == 0) { | |
402 | for (h = 0, s = 1; h < HSHSIZE; h++) | |
403 | for (vp = variables[h]; vp != NOVAR; vp = vp->v_link) | |
404 | s++; | |
405 | ap = (char **) salloc(s * sizeof *ap); | |
406 | for (h = 0, p = ap; h < HSHSIZE; h++) | |
407 | for (vp = variables[h]; vp != NOVAR; vp = vp->v_link) | |
408 | *p++ = vp->v_name; | |
409 | *p = NOSTR; | |
410 | sort(ap); | |
411 | for (p = ap; *p != NOSTR; p++) | |
412 | printf("%s\t%s\n", *p, value(*p)); | |
413 | return(0); | |
414 | } | |
415 | errs = 0; | |
416 | for (ap = arglist; *ap != NOSTR; ap++) { | |
417 | cp = *ap; | |
418 | cp2 = varbuf; | |
419 | while (*cp != '=' && *cp != '\0') | |
420 | *cp2++ = *cp++; | |
421 | *cp2 = '\0'; | |
422 | if (*cp == '\0') | |
423 | cp = ""; | |
424 | else | |
425 | cp++; | |
426 | if (equal(varbuf, "")) { | |
427 | printf("Non-null variable name required\n"); | |
428 | errs++; | |
429 | continue; | |
430 | } | |
431 | assign(varbuf, cp); | |
432 | } | |
433 | return(errs); | |
434 | } | |
435 | ||
436 | /* | |
437 | * Unset a bunch of variable values. | |
438 | */ | |
439 | ||
440 | unset(arglist) | |
441 | char **arglist; | |
442 | { | |
443 | register struct var *vp, *vp2; | |
ca6bb034 KS |
444 | int errs, h; |
445 | char **ap; | |
446 | ||
447 | errs = 0; | |
448 | for (ap = arglist; *ap != NOSTR; ap++) { | |
449 | if ((vp2 = lookup(*ap)) == NOVAR) { | |
450 | if (!sourcing) { | |
451 | printf("\"%s\": undefined variable\n", *ap); | |
452 | errs++; | |
453 | } | |
454 | continue; | |
455 | } | |
456 | h = hash(*ap); | |
457 | if (vp2 == variables[h]) { | |
458 | variables[h] = variables[h]->v_link; | |
459 | vfree(vp2->v_name); | |
460 | vfree(vp2->v_value); | |
828615a1 | 461 | cfree((char *)vp2); |
ca6bb034 KS |
462 | continue; |
463 | } | |
464 | for (vp = variables[h]; vp->v_link != vp2; vp = vp->v_link) | |
465 | ; | |
466 | vp->v_link = vp2->v_link; | |
467 | vfree(vp2->v_name); | |
468 | vfree(vp2->v_value); | |
828615a1 | 469 | cfree((char *) vp2); |
ca6bb034 KS |
470 | } |
471 | return(errs); | |
472 | } | |
473 | ||
474 | /* | |
475 | * Put add users to a group. | |
476 | */ | |
477 | ||
478 | group(argv) | |
479 | char **argv; | |
480 | { | |
481 | register struct grouphead *gh; | |
482 | register struct group *gp; | |
483 | register int h; | |
484 | int s; | |
485 | char **ap, *gname, **p; | |
486 | ||
487 | if (argcount(argv) == 0) { | |
488 | for (h = 0, s = 1; h < HSHSIZE; h++) | |
489 | for (gh = groups[h]; gh != NOGRP; gh = gh->g_link) | |
490 | s++; | |
491 | ap = (char **) salloc(s * sizeof *ap); | |
492 | for (h = 0, p = ap; h < HSHSIZE; h++) | |
493 | for (gh = groups[h]; gh != NOGRP; gh = gh->g_link) | |
494 | *p++ = gh->g_name; | |
495 | *p = NOSTR; | |
496 | sort(ap); | |
497 | for (p = ap; *p != NOSTR; p++) | |
498 | printgroup(*p); | |
499 | return(0); | |
500 | } | |
501 | if (argcount(argv) == 1) { | |
502 | printgroup(*argv); | |
503 | return(0); | |
504 | } | |
505 | gname = *argv; | |
506 | h = hash(gname); | |
507 | if ((gh = findgroup(gname)) == NOGRP) { | |
508 | gh = (struct grouphead *) calloc(sizeof *gh, 1); | |
509 | gh->g_name = vcopy(gname); | |
510 | gh->g_list = NOGE; | |
511 | gh->g_link = groups[h]; | |
512 | groups[h] = gh; | |
513 | } | |
514 | ||
515 | /* | |
516 | * Insert names from the command list into the group. | |
517 | * Who cares if there are duplicates? They get tossed | |
518 | * later anyway. | |
519 | */ | |
520 | ||
521 | for (ap = argv+1; *ap != NOSTR; ap++) { | |
522 | gp = (struct group *) calloc(sizeof *gp, 1); | |
523 | gp->ge_name = vcopy(*ap); | |
524 | gp->ge_link = gh->g_list; | |
525 | gh->g_list = gp; | |
526 | } | |
527 | return(0); | |
528 | } | |
529 | ||
530 | /* | |
531 | * Sort the passed string vecotor into ascending dictionary | |
532 | * order. | |
533 | */ | |
534 | ||
535 | sort(list) | |
536 | char **list; | |
537 | { | |
538 | register char **ap; | |
539 | int diction(); | |
540 | ||
541 | for (ap = list; *ap != NOSTR; ap++) | |
542 | ; | |
543 | if (ap-list < 2) | |
544 | return; | |
828615a1 | 545 | qsort((char *)list, ap-list, sizeof *list, diction); |
ca6bb034 KS |
546 | } |
547 | ||
548 | /* | |
549 | * Do a dictionary order comparison of the arguments from | |
550 | * qsort. | |
551 | */ | |
552 | ||
553 | diction(a, b) | |
554 | register char **a, **b; | |
555 | { | |
556 | return(strcmp(*a, *b)); | |
557 | } | |
558 | ||
559 | /* | |
560 | * The do nothing command for comments. | |
561 | */ | |
562 | ||
828615a1 | 563 | /*ARGSUSED*/ |
ca6bb034 KS |
564 | null(e) |
565 | { | |
828615a1 | 566 | return 0; |
ca6bb034 KS |
567 | } |
568 | ||
569 | /* | |
1031a04a | 570 | * Print out the current edit file, if we are editing. |
ca6bb034 KS |
571 | * Otherwise, print the name of the person who's mail |
572 | * we are reading. | |
573 | */ | |
574 | ||
1031a04a | 575 | file(argv) |
2a0f6531 | 576 | register char **argv; |
ca6bb034 KS |
577 | { |
578 | register char *cp; | |
579 | ||
1031a04a | 580 | if (argv[0] == NOSTR) { |
890194fb | 581 | newfileinfo(); |
2a0f6531 | 582 | return 0; |
1031a04a | 583 | } |
2a0f6531 EW |
584 | if ((cp = expand(*argv)) == NOSTR) |
585 | return -1; | |
586 | strcpy(prevfile, mailname); | |
587 | if (setfile(cp, **argv != '%')) { | |
f3b6f2ce | 588 | perror(cp); |
2a0f6531 | 589 | return -1; |
f3b6f2ce | 590 | } |
4d20fb09 | 591 | announce(); |
828615a1 | 592 | return 0; |
1031a04a KS |
593 | } |
594 | ||
ca6bb034 KS |
595 | /* |
596 | * Expand file names like echo | |
597 | */ | |
598 | ||
599 | echo(argv) | |
600 | char **argv; | |
601 | { | |
602 | register char **ap; | |
603 | register char *cp; | |
604 | ||
605 | for (ap = argv; *ap != NOSTR; ap++) { | |
606 | cp = *ap; | |
790344bc EW |
607 | if ((cp = expand(cp)) != NOSTR) { |
608 | if (ap != argv) | |
609 | putchar(' '); | |
610 | printf("%s", cp); | |
611 | } | |
ca6bb034 | 612 | } |
790344bc EW |
613 | putchar('\n'); |
614 | ||
ca6bb034 KS |
615 | return(0); |
616 | } | |
617 | ||
397029be S |
618 | Respond(msgvec) |
619 | int *msgvec; | |
620 | { | |
621 | if (value("Replyall") == NOSTR) | |
622 | return (_Respond(msgvec)); | |
623 | else | |
624 | return (_respond(msgvec)); | |
625 | } | |
626 | ||
ca6bb034 KS |
627 | /* |
628 | * Reply to a series of messages by simply mailing to the senders | |
629 | * and not messing around with the To: and Cc: lists as in normal | |
630 | * reply. | |
631 | */ | |
632 | ||
397029be | 633 | _Respond(msgvec) |
ca6bb034 KS |
634 | int msgvec[]; |
635 | { | |
636 | struct header head; | |
637 | struct message *mp; | |
828615a1 | 638 | register int s, *ap; |
a0bc099a | 639 | register char *cp, *cp2, *subject; |
ca6bb034 KS |
640 | |
641 | for (s = 0, ap = msgvec; *ap != 0; ap++) { | |
642 | mp = &message[*ap - 1]; | |
643 | dot = mp; | |
bdad82b3 | 644 | if ((cp = skin(hfield("from", mp))) != NOSTR) |
a0bc099a CL |
645 | s+= strlen(cp) + 1; |
646 | else | |
bdad82b3 | 647 | s += strlen(skin(nameof(mp, 2))) + 1; |
ca6bb034 KS |
648 | } |
649 | if (s == 0) | |
650 | return(0); | |
651 | cp = salloc(s + 2); | |
652 | head.h_to = cp; | |
653 | for (ap = msgvec; *ap != 0; ap++) { | |
654 | mp = &message[*ap - 1]; | |
bdad82b3 CL |
655 | if ((cp2 = skin(hfield("from", mp))) == NOSTR) |
656 | cp2 = skin(nameof(mp, 2)); | |
a0bc099a | 657 | cp = copy(cp2, cp); |
ca6bb034 KS |
658 | *cp++ = ' '; |
659 | } | |
660 | *--cp = 0; | |
661 | mp = &message[msgvec[0] - 1]; | |
662 | subject = hfield("subject", mp); | |
663 | head.h_seq = 0; | |
664 | if (subject == NOSTR) | |
665 | subject = hfield("subj", mp); | |
fc8872bb | 666 | head.h_subject = reedit(subject); |
ca6bb034 KS |
667 | if (subject != NOSTR) |
668 | head.h_seq++; | |
669 | head.h_cc = NOSTR; | |
670 | head.h_bcc = NOSTR; | |
790344bc | 671 | head.h_smopts = NOSTR; |
ca6bb034 KS |
672 | mail1(&head); |
673 | return(0); | |
674 | } | |
d344b00c KS |
675 | |
676 | /* | |
677 | * Conditional commands. These allow one to parameterize one's | |
678 | * .mailrc and do some things if sending, others if receiving. | |
679 | */ | |
680 | ||
681 | ifcmd(argv) | |
682 | char **argv; | |
683 | { | |
684 | register char *cp; | |
685 | ||
686 | if (cond != CANY) { | |
687 | printf("Illegal nested \"if\"\n"); | |
688 | return(1); | |
689 | } | |
690 | cond = CANY; | |
691 | cp = argv[0]; | |
692 | switch (*cp) { | |
693 | case 'r': case 'R': | |
694 | cond = CRCV; | |
695 | break; | |
696 | ||
697 | case 's': case 'S': | |
698 | cond = CSEND; | |
699 | break; | |
700 | ||
701 | default: | |
702 | printf("Unrecognized if-keyword: \"%s\"\n", cp); | |
703 | return(1); | |
704 | } | |
705 | return(0); | |
706 | } | |
707 | ||
708 | /* | |
709 | * Implement 'else'. This is pretty simple -- we just | |
710 | * flip over the conditional flag. | |
711 | */ | |
712 | ||
713 | elsecmd() | |
714 | { | |
715 | ||
716 | switch (cond) { | |
717 | case CANY: | |
718 | printf("\"Else\" without matching \"if\"\n"); | |
719 | return(1); | |
720 | ||
721 | case CSEND: | |
722 | cond = CRCV; | |
723 | break; | |
724 | ||
725 | case CRCV: | |
726 | cond = CSEND; | |
727 | break; | |
728 | ||
729 | default: | |
730 | printf("Mail's idea of conditions is screwed up\n"); | |
731 | cond = CANY; | |
732 | break; | |
733 | } | |
734 | return(0); | |
735 | } | |
736 | ||
737 | /* | |
738 | * End of if statement. Just set cond back to anything. | |
739 | */ | |
740 | ||
741 | endifcmd() | |
742 | { | |
743 | ||
744 | if (cond == CANY) { | |
745 | printf("\"Endif\" without matching \"if\"\n"); | |
746 | return(1); | |
747 | } | |
748 | cond = CANY; | |
749 | return(0); | |
750 | } | |
1c04ff22 KS |
751 | |
752 | /* | |
753 | * Set the list of alternate names. | |
754 | */ | |
755 | alternates(namelist) | |
756 | char **namelist; | |
757 | { | |
758 | register int c; | |
759 | register char **ap, **ap2, *cp; | |
760 | ||
761 | c = argcount(namelist) + 1; | |
762 | if (c == 1) { | |
763 | if (altnames == 0) | |
764 | return(0); | |
765 | for (ap = altnames; *ap; ap++) | |
766 | printf("%s ", *ap); | |
767 | printf("\n"); | |
768 | return(0); | |
769 | } | |
770 | if (altnames != 0) | |
771 | cfree((char *) altnames); | |
828615a1 | 772 | altnames = (char **) calloc((unsigned) c, sizeof (char *)); |
1c04ff22 | 773 | for (ap = namelist, ap2 = altnames; *ap; ap++, ap2++) { |
828615a1 | 774 | cp = (char *) calloc((unsigned) strlen(*ap) + 1, sizeof (char)); |
1c04ff22 KS |
775 | strcpy(cp, *ap); |
776 | *ap2 = cp; | |
777 | } | |
778 | *ap2 = 0; | |
779 | return(0); | |
780 | } |