Commit | Line | Data |
---|---|---|
205a2d85 | 1 | #ifndef lint |
5e3e9105 | 2 | static char sccsid[] = "@(#)mail.local.c 4.24 (Berkeley) %G%"; |
205a2d85 SL |
3 | #endif |
4 | ||
4e161d3b RC |
5 | #include <sys/types.h> |
6 | #include <sys/stat.h> | |
7 | #include <sys/file.h> | |
8 | ||
1c12a606 BJ |
9 | #include <ctype.h> |
10 | #include <stdio.h> | |
11 | #include <pwd.h> | |
12 | #include <utmp.h> | |
13 | #include <signal.h> | |
1c12a606 | 14 | #include <setjmp.h> |
1c12a606 BJ |
15 | #include <sysexits.h> |
16 | ||
ac57be53 | 17 | #define SENDMAIL "/usr/lib/sendmail" |
1c12a606 | 18 | |
4e161d3b RC |
19 | /* copylet flags */ |
20 | #define REMOTE 1 /* remote mail, add rmtmsg */ | |
21 | #define ORDINARY 2 | |
22 | #define ZAP 3 /* zap header and trailing empty line */ | |
23 | #define FORWARD 4 | |
1c12a606 | 24 | |
4e161d3b RC |
25 | #define LSIZE 256 |
26 | #define MAXLET 300 /* maximum number of letters */ | |
27 | #define MAILMODE 0600 /* mode of created mail */ | |
1c12a606 BJ |
28 | |
29 | char line[LSIZE]; | |
30 | char resp[LSIZE]; | |
31 | struct let { | |
32 | long adr; | |
33 | char change; | |
34 | } let[MAXLET]; | |
35 | int nlet = 0; | |
36 | char lfil[50]; | |
37 | long iop, time(); | |
38 | char *getenv(); | |
39 | char *index(); | |
40 | char lettmp[] = "/tmp/maXXXXX"; | |
41 | char maildir[] = "/usr/spool/mail/"; | |
42 | char mailfile[] = "/usr/spool/mail/xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; | |
43 | char dead[] = "dead.letter"; | |
1c12a606 BJ |
44 | char forwmsg[] = " forwarded\n"; |
45 | FILE *tmpf; | |
46 | FILE *malf; | |
47 | char *my_name; | |
48 | char *getlogin(); | |
1c12a606 BJ |
49 | int error; |
50 | int changed; | |
51 | int forward; | |
52 | char from[] = "From "; | |
53 | long ftell(); | |
4e161d3b | 54 | int delex(); |
1c12a606 BJ |
55 | char *ctime(); |
56 | int flgf; | |
57 | int flgp; | |
58 | int delflg = 1; | |
59 | int hseqno; | |
60 | jmp_buf sjbuf; | |
61 | int rmail; | |
62 | ||
63 | main(argc, argv) | |
64 | char **argv; | |
65 | { | |
66 | register i; | |
1c12a606 | 67 | |
1c12a606 | 68 | my_name = getlogin(); |
4e161d3b | 69 | if (my_name == NULL || *my_name == '\0') { |
1c12a606 BJ |
70 | struct passwd *pwent; |
71 | pwent = getpwuid(getuid()); | |
72 | if (pwent==NULL) | |
73 | my_name = "???"; | |
74 | else | |
75 | my_name = pwent->pw_name; | |
76 | } | |
4e161d3b | 77 | if (setjmp(sjbuf)) |
1c12a606 | 78 | done(); |
4e161d3b RC |
79 | for (i=SIGHUP; i<=SIGTERM; i++) |
80 | setsig(i, delex); | |
5e3e9105 RC |
81 | i = mkstemp(lettmp); |
82 | tmpf = fdopen(i, "r+w"); | |
83 | if (i < 0 || tmpf == NULL) | |
4e161d3b RC |
84 | panic("mail: %s: cannot open for writing", lettmp); |
85 | /* | |
86 | * This protects against others reading mail from temp file and | |
87 | * if we exit, the file will be deleted already. | |
88 | */ | |
89 | unlink(lettmp); | |
1c12a606 BJ |
90 | if (argv[0][0] == 'r') |
91 | rmail++; | |
92 | if (argv[0][0] != 'r' && /* no favors for rmail*/ | |
93 | (argc == 1 || argv[1][0] == '-' && !any(argv[1][1], "rhd"))) | |
94 | printmail(argc, argv); | |
95 | else | |
f914d8ba | 96 | bulkmail(argc, argv); |
1c12a606 BJ |
97 | done(); |
98 | } | |
99 | ||
100 | setsig(i, f) | |
101 | int i; | |
102 | int (*f)(); | |
103 | { | |
4e161d3b | 104 | if (signal(i, SIG_IGN) != SIG_IGN) |
1c12a606 BJ |
105 | signal(i, f); |
106 | } | |
107 | ||
108 | any(c, str) | |
109 | register int c; | |
110 | register char *str; | |
111 | { | |
112 | ||
113 | while (*str) | |
114 | if (c == *str++) | |
115 | return(1); | |
116 | return(0); | |
117 | } | |
118 | ||
119 | printmail(argc, argv) | |
4e161d3b | 120 | char **argv; |
1c12a606 BJ |
121 | { |
122 | int flg, i, j, print; | |
123 | char *p, *getarg(); | |
124 | struct stat statb; | |
125 | ||
126 | setuid(getuid()); | |
127 | cat(mailfile, maildir, my_name); | |
4e161d3b | 128 | #ifdef notdef |
1c12a606 BJ |
129 | if (stat(mailfile, &statb) >= 0 |
130 | && (statb.st_mode & S_IFMT) == S_IFDIR) { | |
131 | strcat(mailfile, "/"); | |
132 | strcat(mailfile, my_name); | |
133 | } | |
4e161d3b RC |
134 | #endif |
135 | for (; argc > 1; argv++, argc--) { | |
136 | if (argv[1][0] != '-') | |
137 | break; | |
138 | switch (argv[1][1]) { | |
139 | ||
140 | case 'p': | |
141 | flgp++; | |
142 | /* fall thru... */ | |
143 | case 'q': | |
144 | delflg = 0; | |
145 | break; | |
146 | ||
147 | case 'f': | |
148 | if (argc >= 3) { | |
149 | strcpy(mailfile, argv[2]); | |
150 | argv++, argc--; | |
1c12a606 | 151 | } |
1c12a606 | 152 | break; |
4e161d3b RC |
153 | |
154 | case 'b': | |
155 | forward = 1; | |
156 | break; | |
157 | ||
158 | default: | |
159 | panic("unknown option %c", argv[1][1]); | |
160 | /*NOTREACHED*/ | |
161 | } | |
1c12a606 BJ |
162 | } |
163 | malf = fopen(mailfile, "r"); | |
164 | if (malf == NULL) { | |
4e161d3b | 165 | printf("No mail.\n"); |
1c12a606 BJ |
166 | return; |
167 | } | |
4e161d3b | 168 | flock(fileno(malf), LOCK_SH); |
1c12a606 | 169 | copymt(malf, tmpf); |
4e161d3b RC |
170 | fclose(malf); /* implicit unlock */ |
171 | fseek(tmpf, 0, L_SET); | |
1c12a606 BJ |
172 | |
173 | changed = 0; | |
174 | print = 1; | |
175 | for (i = 0; i < nlet; ) { | |
176 | j = forward ? i : nlet - i - 1; | |
4e161d3b RC |
177 | if (setjmp(sjbuf)) { |
178 | print = 0; | |
1c12a606 BJ |
179 | } else { |
180 | if (print) | |
181 | copylet(j, stdout, ORDINARY); | |
182 | print = 1; | |
183 | } | |
184 | if (flgp) { | |
185 | i++; | |
186 | continue; | |
187 | } | |
188 | setjmp(sjbuf); | |
4e161d3b | 189 | fputs("? ", stdout); |
1c12a606 BJ |
190 | fflush(stdout); |
191 | if (fgets(resp, LSIZE, stdin) == NULL) | |
192 | break; | |
193 | switch (resp[0]) { | |
194 | ||
195 | default: | |
4e161d3b | 196 | printf("usage\n"); |
1c12a606 BJ |
197 | case '?': |
198 | print = 0; | |
4e161d3b RC |
199 | printf("q\tquit\n"); |
200 | printf("x\texit without changing mail\n"); | |
201 | printf("p\tprint\n"); | |
202 | printf("s[file]\tsave (default mbox)\n"); | |
203 | printf("w[file]\tsame without header\n"); | |
204 | printf("-\tprint previous\n"); | |
205 | printf("d\tdelete\n"); | |
206 | printf("+\tnext (no delete)\n"); | |
207 | printf("m user\tmail to user\n"); | |
208 | printf("! cmd\texecute cmd\n"); | |
1c12a606 BJ |
209 | break; |
210 | ||
211 | case '+': | |
212 | case 'n': | |
213 | case '\n': | |
214 | i++; | |
215 | break; | |
216 | case 'x': | |
217 | changed = 0; | |
218 | case 'q': | |
219 | goto donep; | |
220 | case 'p': | |
221 | break; | |
222 | case '^': | |
223 | case '-': | |
224 | if (--i < 0) | |
225 | i = 0; | |
226 | break; | |
227 | case 'y': | |
228 | case 'w': | |
229 | case 's': | |
230 | flg = 0; | |
231 | if (resp[1] != '\n' && resp[1] != ' ') { | |
232 | printf("illegal\n"); | |
233 | flg++; | |
234 | print = 0; | |
235 | continue; | |
236 | } | |
237 | if (resp[1] == '\n' || resp[1] == '\0') { | |
238 | p = getenv("HOME"); | |
4e161d3b | 239 | if (p != 0) |
1c12a606 BJ |
240 | cat(resp+1, p, "/mbox"); |
241 | else | |
242 | cat(resp+1, "", "mbox"); | |
243 | } | |
244 | for (p = resp+1; (p = getarg(lfil, p)) != NULL; ) { | |
245 | malf = fopen(lfil, "a"); | |
246 | if (malf == NULL) { | |
4e161d3b RC |
247 | printf("mail: %s: cannot append\n", |
248 | lfil); | |
1c12a606 BJ |
249 | flg++; |
250 | continue; | |
251 | } | |
252 | copylet(j, malf, resp[0]=='w'? ZAP: ORDINARY); | |
253 | fclose(malf); | |
254 | } | |
255 | if (flg) | |
256 | print = 0; | |
257 | else { | |
258 | let[j].change = 'd'; | |
259 | changed++; | |
260 | i++; | |
261 | } | |
262 | break; | |
263 | case 'm': | |
264 | flg = 0; | |
265 | if (resp[1] == '\n' || resp[1] == '\0') { | |
266 | i++; | |
267 | continue; | |
268 | } | |
269 | if (resp[1] != ' ') { | |
270 | printf("invalid command\n"); | |
271 | flg++; | |
272 | print = 0; | |
273 | continue; | |
274 | } | |
275 | for (p = resp+1; (p = getarg(lfil, p)) != NULL; ) | |
69a0e58c | 276 | if (!sendmail(j, lfil, my_name)) |
1c12a606 BJ |
277 | flg++; |
278 | if (flg) | |
279 | print = 0; | |
280 | else { | |
281 | let[j].change = 'd'; | |
282 | changed++; | |
283 | i++; | |
284 | } | |
285 | break; | |
286 | case '!': | |
287 | system(resp+1); | |
288 | printf("!\n"); | |
289 | print = 0; | |
290 | break; | |
291 | case 'd': | |
292 | let[j].change = 'd'; | |
293 | changed++; | |
294 | i++; | |
295 | if (resp[1] == 'q') | |
296 | goto donep; | |
297 | break; | |
298 | } | |
299 | } | |
300 | donep: | |
301 | if (changed) | |
302 | copyback(); | |
303 | } | |
304 | ||
4e161d3b RC |
305 | /* copy temp or whatever back to /usr/spool/mail */ |
306 | copyback() | |
1c12a606 | 307 | { |
4e161d3b RC |
308 | register i, c; |
309 | int fd, new = 0, oldmask; | |
1c12a606 BJ |
310 | struct stat stbuf; |
311 | ||
4e161d3b RC |
312 | #define mask(s) (1 << ((s) - 1)) |
313 | oldmask = sigblock(mask(SIGINT)|mask(SIGHUP)|mask(SIGQUIT)); | |
314 | #undef mask | |
315 | fd = open(mailfile, O_RDWR | O_CREAT, MAILMODE); | |
316 | if (fd >= 0) { | |
317 | flock(fd, LOCK_EX); | |
318 | malf = fdopen(fd, "r+w"); | |
319 | } | |
320 | if (fd < 0 || malf == NULL) | |
321 | panic("can't rewrite %s", lfil); | |
322 | fstat(fd, &stbuf); | |
1c12a606 | 323 | if (stbuf.st_size != let[nlet].adr) { /* new mail has arrived */ |
4e161d3b RC |
324 | fseek(malf, let[nlet].adr, L_SET); |
325 | fseek(tmpf, let[nlet].adr, L_SET); | |
326 | while ((c = getc(malf)) != EOF) | |
327 | putc(c, tmpf); | |
1c12a606 BJ |
328 | let[++nlet].adr = stbuf.st_size; |
329 | new = 1; | |
4e161d3b | 330 | fseek(malf, 0, L_SET); |
1c12a606 | 331 | } |
4e161d3b | 332 | ftruncate(fd, 0); |
1c12a606 | 333 | for (i = 0; i < nlet; i++) |
4e161d3b | 334 | if (let[i].change != 'd') |
1c12a606 | 335 | copylet(i, malf, ORDINARY); |
4e161d3b | 336 | fclose(malf); /* implict unlock */ |
1c12a606 | 337 | if (new) |
4e161d3b RC |
338 | printf("New mail has arrived.\n"); |
339 | sigsetmask(oldmask); | |
1c12a606 BJ |
340 | } |
341 | ||
4e161d3b RC |
342 | /* copy mail (f1) to temp (f2) */ |
343 | copymt(f1, f2) | |
344 | FILE *f1, *f2; | |
1c12a606 BJ |
345 | { |
346 | long nextadr; | |
347 | ||
348 | nlet = nextadr = 0; | |
349 | let[0].adr = 0; | |
350 | while (fgets(line, LSIZE, f1) != NULL) { | |
351 | if (isfrom(line)) | |
352 | let[nlet++].adr = nextadr; | |
353 | nextadr += strlen(line); | |
354 | fputs(line, f2); | |
355 | } | |
356 | let[nlet].adr = nextadr; /* last plus 1 */ | |
357 | } | |
358 | ||
13bd902d EA |
359 | copylet(n, f, type) |
360 | FILE *f; | |
361 | { | |
362 | int ch; | |
363 | long k; | |
4e161d3b | 364 | char hostname[32]; |
13bd902d | 365 | |
4e161d3b | 366 | fseek(tmpf, let[n].adr, L_SET); |
1c12a606 | 367 | k = let[n+1].adr - let[n].adr; |
4e161d3b RC |
368 | while (k-- > 1 && (ch = getc(tmpf)) != '\n') |
369 | if (type != ZAP) | |
370 | putc(ch, f); | |
371 | switch (type) { | |
372 | ||
373 | case REMOTE: | |
cf288731 BJ |
374 | gethostname(hostname, sizeof (hostname)); |
375 | fprintf(f, " remote from %s\n", hostname); | |
4e161d3b RC |
376 | break; |
377 | ||
378 | case FORWARD: | |
1c12a606 | 379 | fprintf(f, forwmsg); |
4e161d3b RC |
380 | break; |
381 | ||
382 | case ORDINARY: | |
383 | putc(ch, f); | |
384 | break; | |
385 | ||
69a0e58c RC |
386 | case ZAP: |
387 | break; | |
388 | ||
4e161d3b RC |
389 | default: |
390 | panic("Bad letter type %d to copylet.", type); | |
391 | } | |
392 | while (k-- > 1) { | |
393 | ch = getc(tmpf); | |
394 | putc(ch, f); | |
395 | } | |
396 | if (type != ZAP || ch != '\n') | |
397 | putc(getc(tmpf), f); | |
1c12a606 BJ |
398 | } |
399 | ||
400 | isfrom(lp) | |
401 | register char *lp; | |
402 | { | |
403 | register char *p; | |
404 | ||
405 | for (p = from; *p; ) | |
406 | if (*lp++ != *p++) | |
407 | return(0); | |
408 | return(1); | |
409 | } | |
410 | ||
f914d8ba | 411 | bulkmail(argc, argv) |
1c12a606 BJ |
412 | char **argv; |
413 | { | |
414 | char truename[100]; | |
415 | int first; | |
416 | register char *cp; | |
417 | int gaver = 0; | |
1c12a606 BJ |
418 | char *newargv[1000]; |
419 | register char **ap; | |
420 | register char **vp; | |
421 | int dflag; | |
422 | ||
423 | dflag = 0; | |
4e161d3b | 424 | if (argc < 1) { |
1c12a606 | 425 | fprintf(stderr, "puke\n"); |
4e161d3b RC |
426 | return; |
427 | } | |
1c12a606 | 428 | for (vp = argv, ap = newargv + 1; (*ap = *vp++) != 0; ap++) |
1c12a606 BJ |
429 | if (ap[0][0] == '-' && ap[0][1] == 'd') |
430 | dflag++; | |
4e161d3b | 431 | if (!dflag) { |
ac57be53 | 432 | /* give it to sendmail, rah rah! */ |
1c12a606 BJ |
433 | unlink(lettmp); |
434 | ap = newargv+1; | |
435 | if (rmail) | |
436 | *ap-- = "-s"; | |
ac57be53 | 437 | *ap = "-sendmail"; |
608f9cfc | 438 | setuid(getuid()); |
ac57be53 EA |
439 | execv(SENDMAIL, ap); |
440 | perror(SENDMAIL); | |
1c12a606 BJ |
441 | exit(EX_UNAVAILABLE); |
442 | } | |
1c12a606 BJ |
443 | |
444 | truename[0] = 0; | |
445 | line[0] = '\0'; | |
446 | ||
447 | /* | |
448 | * When we fall out of this, argv[1] should be first name, | |
449 | * argc should be number of names + 1. | |
450 | */ | |
451 | ||
452 | while (argc > 1 && *argv[1] == '-') { | |
453 | cp = *++argv; | |
454 | argc--; | |
455 | switch (cp[1]) { | |
456 | case 'r': | |
4e161d3b | 457 | if (argc <= 1) |
1c12a606 | 458 | usage(); |
413d039a EA |
459 | if (strcmp(my_name, "root") == 0 || |
460 | strcmp(my_name, "daemon") == 0 || | |
461 | strcmp(my_name, "network") == 0 || | |
462 | strcmp(my_name, "uucp")) { | |
463 | gaver++; | |
464 | strcpy(truename, argv[1]); | |
465 | fgets(line, LSIZE, stdin); | |
466 | if (strncmp("From", line, 4) == 0) | |
467 | line[0] = '\0'; | |
8bc5e57f | 468 | } |
1c12a606 BJ |
469 | argv++; |
470 | argc--; | |
471 | break; | |
472 | ||
473 | case 'h': | |
4e161d3b | 474 | if (argc <= 1) |
1c12a606 | 475 | usage(); |
1c12a606 BJ |
476 | hseqno = atoi(argv[1]); |
477 | argv++; | |
478 | argc--; | |
479 | break; | |
480 | ||
1c12a606 BJ |
481 | case 'd': |
482 | break; | |
1c12a606 BJ |
483 | |
484 | default: | |
485 | usage(); | |
1c12a606 BJ |
486 | } |
487 | } | |
4e161d3b | 488 | if (argc <= 1) |
1c12a606 | 489 | usage(); |
1c12a606 BJ |
490 | if (gaver == 0) |
491 | strcpy(truename, my_name); | |
1c12a606 BJ |
492 | time(&iop); |
493 | fprintf(tmpf, "%s%s %s", from, truename, ctime(&iop)); | |
494 | iop = ftell(tmpf); | |
4e161d3b RC |
495 | flgf = first = 1; |
496 | for (;;) { | |
497 | if (first) { | |
498 | first = 0; | |
499 | if (*line == '\0' && fgets(line, LSIZE, stdin) == NULL) | |
500 | break; | |
501 | } else { | |
502 | if (fgets(line, LSIZE, stdin) == NULL) | |
503 | break; | |
504 | } | |
505 | if (*line == '.' && line[1] == '\n' && isatty(fileno(stdin))) | |
1c12a606 BJ |
506 | break; |
507 | if (isfrom(line)) | |
4e161d3b | 508 | putc('>', tmpf); |
1c12a606 BJ |
509 | fputs(line, tmpf); |
510 | flgf = 0; | |
511 | } | |
4e161d3b | 512 | putc('\n', tmpf); |
1c12a606 BJ |
513 | nlet = 1; |
514 | let[0].adr = 0; | |
515 | let[1].adr = ftell(tmpf); | |
1c12a606 BJ |
516 | if (flgf) |
517 | return; | |
4e161d3b | 518 | while (--argc > 0) |
f914d8ba | 519 | if (!sendmail(0, *++argv, truename)) |
1c12a606 | 520 | error++; |
fd64b7dc | 521 | if (error && safefile(dead)) { |
1c12a606 BJ |
522 | setuid(getuid()); |
523 | malf = fopen(dead, "w"); | |
524 | if (malf == NULL) { | |
4e161d3b | 525 | printf("mail: cannot open %s\n", dead); |
1c12a606 BJ |
526 | fclose(tmpf); |
527 | return; | |
528 | } | |
529 | copylet(0, malf, ZAP); | |
530 | fclose(malf); | |
4e161d3b | 531 | printf("Mail saved in %s\n", dead); |
1c12a606 BJ |
532 | } |
533 | fclose(tmpf); | |
534 | } | |
535 | ||
69a0e58c | 536 | sendrmt(n, name) |
1c12a606 | 537 | char *name; |
1c12a606 BJ |
538 | { |
539 | FILE *rmf, *popen(); | |
540 | register char *p; | |
541 | char rsys[64], cmd[64]; | |
69a0e58c | 542 | register pid; |
1c12a606 BJ |
543 | int sts; |
544 | ||
69a0e58c RC |
545 | #ifdef notdef |
546 | if (any('^', name)) { | |
1c12a606 BJ |
547 | while (p = index(name, '^')) |
548 | *p = '!'; | |
549 | if (strncmp(name, "researc", 7)) { | |
550 | strcpy(rsys, "research"); | |
551 | if (*name != '!') | |
552 | --name; | |
553 | goto skip; | |
554 | } | |
555 | } | |
69a0e58c RC |
556 | #endif |
557 | for (p=rsys; *name!='!'; *p++ = *name++) | |
558 | if (*name=='\0') | |
559 | return(0); /* local address, no '!' */ | |
1c12a606 | 560 | *p = '\0'; |
69a0e58c | 561 | if (name[1]=='\0') { |
4e161d3b | 562 | printf("null name\n"); |
1c12a606 BJ |
563 | return(0); |
564 | } | |
565 | skip: | |
566 | if ((pid = fork()) == -1) { | |
567 | fprintf(stderr, "mail: can't create proc for remote\n"); | |
568 | return(0); | |
569 | } | |
570 | if (pid) { | |
571 | while (wait(&sts) != pid) { | |
572 | if (wait(&sts)==-1) | |
573 | return(0); | |
574 | } | |
575 | return(!sts); | |
576 | } | |
577 | setuid(getuid()); | |
69a0e58c RC |
578 | if (any('!', name+1)) |
579 | sprintf(cmd, "uux - %s!rmail \\(%s\\)", rsys, name+1); | |
580 | else | |
581 | sprintf(cmd, "uux - %s!rmail %s", rsys, name+1); | |
1c12a606 BJ |
582 | if ((rmf=popen(cmd, "w")) == NULL) |
583 | exit(1); | |
69a0e58c | 584 | copylet(n, rmf, REMOTE); |
aa26b6a1 | 585 | exit(pclose(rmf) != 0); |
1c12a606 BJ |
586 | } |
587 | ||
1c12a606 BJ |
588 | usage() |
589 | { | |
590 | ||
591 | fprintf(stderr, "Usage: mail [ -f ] people . . .\n"); | |
f2a88515 | 592 | error = EX_USAGE; |
4e161d3b | 593 | done(); |
1c12a606 BJ |
594 | } |
595 | ||
f914d8ba | 596 | #include <sys/socket.h> |
b1198826 | 597 | #include <netinet/in.h> |
a341edb7 | 598 | #include <netdb.h> |
4e161d3b RC |
599 | |
600 | notifybiff(msg) | |
601 | char *msg; | |
602 | { | |
603 | static struct sockaddr_in addr; | |
604 | static int f = -1; | |
605 | ||
606 | if (addr.sin_family == 0) { | |
607 | struct hostent *hp = gethostbyname("localhost"); | |
608 | struct servent *sp = getservbyname("biff", "udp"); | |
609 | ||
610 | if (hp && sp) { | |
611 | addr.sin_family = hp->h_addrtype; | |
612 | bcopy(hp->h_addr, &addr.sin_addr, hp->h_length); | |
613 | addr.sin_port = sp->s_port; | |
614 | } | |
615 | } | |
616 | if (addr.sin_family) { | |
617 | if (f < 0) | |
618 | f = socket(AF_INET, SOCK_DGRAM, 0); | |
619 | sendto(f, msg, strlen(msg)+1, 0, &addr, sizeof (addr)); | |
620 | } | |
621 | } | |
f914d8ba BJ |
622 | |
623 | sendmail(n, name, fromaddr) | |
4e161d3b RC |
624 | int n; |
625 | char *name, *fromaddr; | |
1c12a606 | 626 | { |
4e161d3b RC |
627 | char file[256]; |
628 | int mask, fd; | |
629 | struct passwd *pw; | |
630 | #ifdef notdef | |
1c12a606 | 631 | struct stat statb; |
4e161d3b | 632 | #endif |
517d4a63 | 633 | char buf[128]; |
1c12a606 | 634 | |
69a0e58c RC |
635 | if (*name=='!') |
636 | name++; | |
637 | if (any('!', name)) | |
638 | return (sendrmt(n, name)); | |
1c12a606 | 639 | if ((pw = getpwnam(name)) == NULL) { |
4e161d3b | 640 | printf("mail: can't send to %s\n", name); |
1c12a606 BJ |
641 | return(0); |
642 | } | |
643 | cat(file, maildir, name); | |
4e161d3b | 644 | #ifdef notdef |
1c12a606 BJ |
645 | if (stat(file, &statb) >= 0 && (statb.st_mode & S_IFMT) == S_IFDIR) { |
646 | strcat(file, "/"); | |
647 | strcat(file, name); | |
648 | } | |
4e161d3b | 649 | #endif |
fd64b7dc | 650 | if (!safefile(file)) |
47fe5c20 | 651 | return(0); |
4e161d3b RC |
652 | fd = open(file, O_WRONLY | O_CREAT, MAILMODE); |
653 | if (fd >= 0) { | |
654 | flock(fd, LOCK_EX); | |
655 | malf = fdopen(fd, "a"); | |
1c12a606 | 656 | } |
4e161d3b RC |
657 | if (fd < 0 || malf == NULL) { |
658 | close(fd); | |
659 | printf("mail: %s: cannot append\n", file); | |
660 | return(0); | |
517d4a63 | 661 | } |
4e161d3b RC |
662 | fchown(fd, pw->pw_uid, pw->pw_gid); |
663 | sprintf(buf, "%s@%d\n", name, ftell(malf)); | |
1c12a606 | 664 | copylet(n, malf, ORDINARY); |
f914d8ba | 665 | fclose(malf); |
4e161d3b | 666 | notifybiff(buf); |
1c12a606 BJ |
667 | return(1); |
668 | } | |
669 | ||
4e161d3b | 670 | delex(i) |
1c12a606 | 671 | { |
4e161d3b RC |
672 | setsig(i, delex); |
673 | putc('\n', stderr); | |
674 | if (delflg) | |
1c12a606 BJ |
675 | longjmp(sjbuf, 1); |
676 | done(); | |
677 | } | |
678 | ||
1c12a606 BJ |
679 | done() |
680 | { | |
4e161d3b | 681 | |
1c12a606 | 682 | unlink(lettmp); |
1c12a606 BJ |
683 | exit(error); |
684 | } | |
685 | ||
686 | cat(to, from1, from2) | |
4e161d3b | 687 | char *to, *from1, *from2; |
1c12a606 | 688 | { |
4e161d3b RC |
689 | register char *cp, *dp; |
690 | ||
691 | cp = to; | |
692 | for (dp = from1; *cp = *dp++; cp++) | |
693 | ; | |
694 | for (dp = from2; *cp++ = *dp++; ) | |
695 | ; | |
1c12a606 BJ |
696 | } |
697 | ||
4e161d3b RC |
698 | /* copy p... into s, update p */ |
699 | char * | |
700 | getarg(s, p) | |
701 | register char *s, *p; | |
1c12a606 BJ |
702 | { |
703 | while (*p == ' ' || *p == '\t') | |
704 | p++; | |
705 | if (*p == '\n' || *p == '\0') | |
706 | return(NULL); | |
707 | while (*p != ' ' && *p != '\t' && *p != '\n' && *p != '\0') | |
708 | *s++ = *p++; | |
709 | *s = '\0'; | |
710 | return(p); | |
711 | } | |
fd64b7dc EA |
712 | |
713 | safefile(f) | |
714 | char *f; | |
715 | { | |
716 | struct stat statb; | |
717 | ||
718 | if (lstat(f, &statb) < 0) | |
719 | return (1); | |
720 | if (statb.st_nlink != 1 || (statb.st_mode & S_IFMT) == S_IFLNK) { | |
4e161d3b RC |
721 | fprintf(stderr, |
722 | "mail: %s has more than one link or is a symbolic link\n", | |
723 | f); | |
fd64b7dc EA |
724 | return (0); |
725 | } | |
726 | return (1); | |
727 | } | |
4e161d3b RC |
728 | |
729 | panic(msg, a1, a2, a3) | |
730 | char *msg; | |
731 | { | |
732 | ||
733 | fprintf(stderr, "mail: "); | |
734 | fprintf(stderr, msg, a1, a2, a3); | |
735 | fprintf(stderr, "\n"); | |
736 | done(); | |
737 | } |