Commit | Line | Data |
---|---|---|
aeb2545d | 1 | /* |
792e6158 | 2 | * Copyright (c) 1983, 1995 Eric P. Allman |
eb0bafab KB |
3 | * Copyright (c) 1988, 1993 |
4 | * The Regents of the University of California. All rights reserved. | |
bee79b64 | 5 | * |
417f7a11 | 6 | * %sccs.include.redist.c% |
bee79b64 | 7 | */ |
aeb2545d DF |
8 | |
9 | #ifndef lint | |
eb0bafab KB |
10 | static char copyright[] = |
11 | "@(#) Copyright (c) 1988, 1993\n\ | |
12 | The Regents of the University of California. All rights reserved.\n"; | |
bee79b64 | 13 | #endif /* not lint */ |
aeb2545d DF |
14 | |
15 | #ifndef lint | |
b6aec1fc | 16 | static char sccsid[] = "@(#)main.c 8.123 (Berkeley) %G%"; |
bee79b64 | 17 | #endif /* not lint */ |
aeb2545d | 18 | |
137c2d1f KB |
19 | #define _DEFINE |
20 | ||
f8a31c8e | 21 | #include "sendmail.h" |
efe7f723 | 22 | #if NAMED_BIND |
137c2d1f | 23 | #include <resolv.h> |
6feb509e | 24 | #endif |
b3cbe40f | 25 | |
17a67c62 | 26 | # ifdef lint |
2e3062fe | 27 | char edata, end; |
9bc46e51 | 28 | # endif /* lint */ |
17a67c62 | 29 | |
b3cbe40f | 30 | /* |
96faada8 | 31 | ** SENDMAIL -- Post mail to a set of destinations. |
b3cbe40f EA |
32 | ** |
33 | ** This is the basic mail router. All user mail programs should | |
96faada8 | 34 | ** call this routine to actually deliver mail. Sendmail in |
b3cbe40f EA |
35 | ** turn calls a bunch of mail servers that do the real work of |
36 | ** delivering the mail. | |
37 | ** | |
3199e4f3 EA |
38 | ** Sendmail is driven by tables read in from /usr/lib/sendmail.cf |
39 | ** (read by readcf.c). Some more static configuration info, | |
40 | ** including some code that you may want to tailor for your | |
41 | ** installation, is in conf.c. You may also want to touch | |
42 | ** daemon.c (if you have some other IPC mechanism), acct.c | |
43 | ** (to change your accounting), names.c (to adjust the name | |
44 | ** server mechanism). | |
b3cbe40f EA |
45 | ** |
46 | ** Usage: | |
7338e3d4 | 47 | ** /usr/lib/sendmail [flags] addr ... |
b3cbe40f | 48 | ** |
7338e3d4 | 49 | ** See the associated documentation for details. |
b3cbe40f | 50 | ** |
b3cbe40f | 51 | ** Author: |
7338e3d4 EA |
52 | ** Eric Allman, UCB/INGRES (until 10/81) |
53 | ** Britton-Lee, Inc., purveyors of fine | |
54 | ** database computers (from 11/81) | |
ce46a48a | 55 | ** Now back at UCB at the Mammoth project. |
7338e3d4 EA |
56 | ** The support of the INGRES Project and Britton-Lee is |
57 | ** gratefully acknowledged. Britton-Lee in | |
58 | ** particular had absolutely nothing to gain from | |
59 | ** my involvement in this project. | |
b3cbe40f EA |
60 | */ |
61 | ||
62 | ||
83f674d8 | 63 | int NextMailer; /* "free" index into Mailer struct */ |
912acb74 | 64 | char *FullName; /* sender's full name */ |
be2fcca9 | 65 | ENVELOPE BlankEnvelope; /* a "blank" envelope */ |
2654b031 | 66 | ENVELOPE MainEnvelope; /* the envelope around the basic letter */ |
2e3062fe | 67 | ADDRESS NullAddress = /* a null address */ |
599d88d0 | 68 | { "", "", NULL, "" }; |
353ccd78 | 69 | char *CommandLineArgs; /* command line args for pid file */ |
fe3849ea | 70 | bool Warn_Q_option = FALSE; /* warn about Q option use */ |
8357eea5 | 71 | char **SaveArgv; /* argument vector for re-execing */ |
2e3062fe EA |
72 | |
73 | /* | |
74 | ** Pointers for setproctitle. | |
75 | ** This allows "ps" listings to give more useful information. | |
2e3062fe EA |
76 | */ |
77 | ||
2e3062fe EA |
78 | char **Argv = NULL; /* pointer to argument vector */ |
79 | char *LastArgv = NULL; /* end of argv */ | |
b3cbe40f | 80 | |
f96fa7de EA |
81 | static void obsolete(); |
82 | ||
4aebfe5d EA |
83 | #ifdef DAEMON |
84 | #ifndef SMTP | |
85 | ERROR %%%% Cannot have daemon mode without SMTP %%%% ERROR | |
f3d8f6d6 EA |
86 | #endif /* SMTP */ |
87 | #endif /* DAEMON */ | |
4aebfe5d | 88 | |
2bade550 | 89 | #define MAXCONFIGLEVEL 6 /* highest config version level known */ |
2281a453 | 90 | |
179d940c | 91 | int |
e36705df | 92 | main(argc, argv, envp) |
b3cbe40f EA |
93 | int argc; |
94 | char **argv; | |
e36705df | 95 | char **envp; |
b3cbe40f EA |
96 | { |
97 | register char *p; | |
acae5a9d | 98 | char **av; |
17df0fcb | 99 | char *locname; |
b3cbe40f | 100 | extern char Version[]; |
b2d4b27a | 101 | char *ep, *from; |
b3cbe40f | 102 | typedef int (*fnptr)(); |
be2fcca9 | 103 | STAB *st; |
9e3c0a28 | 104 | register int i; |
d0a69620 | 105 | int j; |
aba51985 | 106 | bool queuemode = FALSE; /* process queue requests */ |
66391bf0 | 107 | bool safecf = TRUE; |
fe3849ea EA |
108 | bool warn_C_flag = FALSE; |
109 | char warn_f_flag = '\0'; | |
be2fcca9 | 110 | static bool reenter = FALSE; |
94bc039a | 111 | struct passwd *pw; |
e0539260 | 112 | struct stat stb; |
a8ec2376 | 113 | struct hostent *hp; |
b2d4b27a | 114 | char jbuf[MAXHOSTNAMELEN]; /* holds MyHostName */ |
6c25232c | 115 | static char rnamebuf[MAXNAME]; /* holds RealUserName */ |
f96fa7de EA |
116 | extern int DtableSize; |
117 | extern int optind; | |
ed45aae1 | 118 | extern time_t convtime(); |
0df908a9 | 119 | extern void intsig(); |
a8ec2376 | 120 | extern struct hostent *myhostname(); |
22e6d6b8 | 121 | extern char *arpadate(); |
3f03d7a7 | 122 | extern char *getauthinfo(); |
7150062b | 123 | extern char *getcfname(); |
f96fa7de | 124 | extern char *optarg; |
6e99f903 | 125 | extern char **environ; |
6e48b8f0 | 126 | extern void sigusr1(); |
8357eea5 | 127 | extern void sighup(); |
179d940c | 128 | extern void initmacros __P((ENVELOPE *)); |
b72377c6 | 129 | |
22659072 EA |
130 | /* |
131 | ** Check to see if we reentered. | |
132 | ** This would normally happen if e_putheader or e_putbody | |
133 | ** were NULL when invoked. | |
134 | */ | |
135 | ||
b72377c6 EA |
136 | if (reenter) |
137 | { | |
138 | syserr("main: reentered!"); | |
139 | abort(); | |
140 | } | |
141 | reenter = TRUE; | |
abae7b2d | 142 | extern ADDRESS *recipient(); |
17df0fcb | 143 | bool canrename; |
b3cbe40f | 144 | |
82530719 | 145 | /* do machine-dependent initializations */ |
3b1781cc | 146 | init_md(argc, argv); |
82530719 | 147 | |
f0b11c9b | 148 | #ifdef SIGUSR1 |
8357eea5 | 149 | /* arrange to dump state on user-1 signal */ |
6e48b8f0 | 150 | setsignal(SIGUSR1, sigusr1); |
f0b11c9b EA |
151 | #endif |
152 | ||
3eb4fac4 | 153 | /* in 4.4BSD, the table can be huge; impose a reasonable limit */ |
fd57f063 | 154 | DtableSize = getdtsize(); |
3eb4fac4 EA |
155 | if (DtableSize > 256) |
156 | DtableSize = 256; | |
157 | ||
d15bd559 EA |
158 | /* |
159 | ** Be sure we have enough file descriptors. | |
59b65d0f | 160 | ** But also be sure that 0, 1, & 2 are open. |
d15bd559 EA |
161 | */ |
162 | ||
e5433063 | 163 | i = open("/dev/null", O_RDWR, 0); |
72d7d51e | 164 | if (fstat(STDIN_FILENO, &stb) < 0 && errno != EOPNOTSUPP) |
e0539260 | 165 | (void) dup2(i, STDIN_FILENO); |
72d7d51e | 166 | if (fstat(STDOUT_FILENO, &stb) < 0 && errno != EOPNOTSUPP) |
e0539260 | 167 | (void) dup2(i, STDOUT_FILENO); |
72d7d51e | 168 | if (fstat(STDERR_FILENO, &stb) < 0 && errno != EOPNOTSUPP) |
e0539260 | 169 | (void) dup2(i, STDERR_FILENO); |
62e808f6 EA |
170 | if (i != STDIN_FILENO && i != STDOUT_FILENO && i != STDERR_FILENO) |
171 | (void) close(i); | |
66391bf0 | 172 | |
3eb4fac4 | 173 | i = DtableSize; |
1627a785 EA |
174 | while (--i > 0) |
175 | { | |
176 | if (i != STDIN_FILENO && i != STDOUT_FILENO && i != STDERR_FILENO) | |
177 | (void) close(i); | |
178 | } | |
d15bd559 EA |
179 | errno = 0; |
180 | ||
8b223875 EA |
181 | #ifdef LOG |
182 | # ifdef LOG_MAIL | |
07adc4f5 | 183 | openlog("sendmail", LOG_PID, LOG_MAIL); |
8b223875 | 184 | # else |
07adc4f5 | 185 | openlog("sendmail", LOG_PID); |
8b223875 | 186 | # endif |
07adc4f5 RA |
187 | #endif |
188 | ||
8a7ac87b EA |
189 | tTsetup(tTdvect, sizeof tTdvect, "0-99.1"); |
190 | ||
bb09c502 EA |
191 | /* set up the blank envelope */ |
192 | BlankEnvelope.e_puthdr = putheader; | |
193 | BlankEnvelope.e_putbody = putbody; | |
194 | BlankEnvelope.e_xfp = NULL; | |
2e3062fe | 195 | STRUCTCOPY(NullAddress, BlankEnvelope.e_from); |
bd575ea9 EA |
196 | STRUCTCOPY(BlankEnvelope, MainEnvelope); |
197 | CurEnv = &MainEnvelope; | |
bb09c502 | 198 | |
8c8e8e94 EA |
199 | /* |
200 | ** Set default values for variables. | |
201 | ** These cannot be in initialized data space. | |
202 | */ | |
203 | ||
204 | setdefaults(&BlankEnvelope); | |
205 | ||
ca708b8e EA |
206 | RealUid = getuid(); |
207 | RealGid = getgid(); | |
208 | ||
5b7a2dfe | 209 | pw = sm_getpwuid(RealUid); |
94bc039a | 210 | if (pw != NULL) |
6c25232c | 211 | (void) strcpy(rnamebuf, pw->pw_name); |
94bc039a | 212 | else |
6c25232c EA |
213 | (void) sprintf(rnamebuf, "Unknown UID %d", RealUid); |
214 | RealUserName = rnamebuf; | |
94bc039a | 215 | |
353ccd78 EA |
216 | /* save command line arguments */ |
217 | i = 0; | |
218 | for (av = argv; *av != NULL; ) | |
219 | i += strlen(*av++) + 1; | |
8357eea5 | 220 | SaveArgv = (char **) xalloc(sizeof (char *) * (argc + 1)); |
353ccd78 EA |
221 | CommandLineArgs = xalloc(i); |
222 | p = CommandLineArgs; | |
8357eea5 | 223 | for (av = argv, i = 0; *av != NULL; ) |
353ccd78 | 224 | { |
8357eea5 | 225 | SaveArgv[i++] = newstr(*av); |
353ccd78 EA |
226 | if (av != argv) |
227 | *p++ = ' '; | |
228 | strcpy(p, *av++); | |
229 | p += strlen(p); | |
230 | } | |
8357eea5 | 231 | SaveArgv[i] = NULL; |
353ccd78 | 232 | |
b2d4b27a KB |
233 | /* Handle any non-getoptable constructions. */ |
234 | obsolete(argv); | |
235 | ||
22659072 EA |
236 | /* |
237 | ** Do a quick prescan of the argument list. | |
22659072 | 238 | */ |
27e07eea | 239 | |
8e5c6745 | 240 | #if defined(__osf__) || defined(_AIX3) |
ffb8b362 | 241 | # define OPTIONS "B:b:C:cd:e:F:f:h:IimnO:o:p:q:r:sTtvX:x" |
07194cd9 EA |
242 | #endif |
243 | #if defined(ultrix) | |
ffb8b362 | 244 | # define OPTIONS "B:b:C:cd:e:F:f:h:IiM:mnO:o:p:q:r:sTtvX:" |
07194cd9 | 245 | #endif |
cf3d0af9 EA |
246 | #if defined(sony_news) |
247 | # define OPTIONS "B:b:C:cd:E:e:F:f:h:IiJ:mnO:o:p:q:r:sTtvX:" | |
248 | #endif | |
07194cd9 | 249 | #ifndef OPTIONS |
ffb8b362 | 250 | # define OPTIONS "B:b:C:cd:e:F:f:h:IimnO:o:p:q:r:sTtvX:" |
97030b8b | 251 | #endif |
a0431b8d | 252 | while ((j = getopt(argc, argv, OPTIONS)) != EOF) |
f96fa7de EA |
253 | { |
254 | switch (j) | |
560a80d9 | 255 | { |
b2d4b27a | 256 | case 'd': |
b2d4b27a | 257 | tTflag(optarg); |
43e0af62 | 258 | setbuf(stdout, (char *) NULL); |
b2d4b27a | 259 | break; |
43e0af62 | 260 | } |
f96fa7de | 261 | } |
2bc15c4e | 262 | |
cf3d0af9 EA |
263 | if (tTd(0, 1)) |
264 | { | |
265 | int ll; | |
266 | extern char *CompileOptions[]; | |
267 | ||
94716cf6 | 268 | printf("Version %s\nCompiled with:\t", Version); |
cf3d0af9 | 269 | av = CompileOptions; |
94716cf6 | 270 | ll = 7; |
cf3d0af9 EA |
271 | while (*av != NULL) |
272 | { | |
273 | if (ll + strlen(*av) > 63) | |
274 | { | |
275 | putchar('\n'); | |
276 | ll = 0; | |
277 | } | |
278 | if (ll == 0) | |
94716cf6 EA |
279 | { |
280 | putchar('\t'); | |
cf3d0af9 | 281 | putchar('\t'); |
94716cf6 EA |
282 | } |
283 | putchar(' '); | |
cf3d0af9 EA |
284 | printf("%s", *av); |
285 | ll += strlen(*av++) + 1; | |
286 | } | |
287 | putchar('\n'); | |
288 | } | |
a66169ae EA |
289 | if (tTd(0, 10)) |
290 | { | |
291 | int ll; | |
292 | extern char *OsCompileOptions[]; | |
293 | ||
294 | printf("OS Defines:\t", Version); | |
295 | av = OsCompileOptions; | |
296 | ll = 7; | |
297 | while (*av != NULL) | |
298 | { | |
299 | if (ll + strlen(*av) > 63) | |
300 | { | |
301 | putchar('\n'); | |
302 | ll = 0; | |
303 | } | |
304 | if (ll == 0) | |
305 | { | |
306 | putchar('\t'); | |
307 | putchar('\t'); | |
308 | } | |
309 | putchar(' '); | |
310 | printf("%s", *av); | |
311 | ll += strlen(*av++) + 1; | |
312 | } | |
313 | putchar('\n'); | |
314 | #ifdef _PATH_UNIX | |
315 | printf("Unix path:\t %s\n", _PATH_UNIX); | |
316 | #endif | |
317 | printf("Config file:\t %s\n", getcfname()); | |
318 | printf("Proc Id file:\t %s\n", PidFile); | |
319 | } | |
cf3d0af9 | 320 | |
2bc15c4e KB |
321 | InChannel = stdin; |
322 | OutChannel = stdout; | |
323 | ||
6e99f903 EA |
324 | /* |
325 | ** Move the environment so setproctitle can use the space at | |
326 | ** the top of memory. | |
327 | */ | |
328 | ||
05b75231 EA |
329 | for (i = 0; envp[i] != NULL; i++) |
330 | continue; | |
331 | environ = (char **) xalloc(sizeof (char *) * i); | |
332 | for (i = 0; envp[i] != NULL; i++) | |
333 | environ[i] = newstr(envp[i]); | |
6f1ce6c6 | 334 | environ[i] = NULL; |
6e99f903 | 335 | |
14e29bd9 EA |
336 | /* and prime the child environment */ |
337 | setuserenv("AGENT", "sendmail"); | |
338 | ||
42bbf376 EA |
339 | /* |
340 | ** Save start and extent of argv for setproctitle. | |
341 | */ | |
342 | ||
343 | Argv = argv; | |
6e99f903 | 344 | if (i > 0) |
577bce94 EA |
345 | LastArgv = envp[i - 1] + strlen(envp[i - 1]); |
346 | else | |
347 | LastArgv = argv[argc - 1] + strlen(argv[argc - 1]); | |
e36705df | 348 | |
39270cfd EA |
349 | if (setsignal(SIGINT, SIG_IGN) != SIG_IGN) |
350 | (void) setsignal(SIGINT, intsig); | |
39270cfd EA |
351 | (void) setsignal(SIGTERM, intsig); |
352 | (void) setsignal(SIGPIPE, SIG_IGN); | |
9a62d249 | 353 | OldUmask = umask(022); |
75f95954 | 354 | OpMode = MD_DELIVER; |
561c7c50 | 355 | FullName = getenv("NAME"); |
dd1fe05b | 356 | |
efe7f723 | 357 | #if NAMED_BIND |
d9dfbc90 | 358 | if (tTd(8, 8)) |
968f1a79 EA |
359 | { |
360 | res_init(); | |
76662972 EA |
361 | { |
362 | res_init(); | |
d9dfbc90 | 363 | _res.options |= RES_DEBUG; |
76662972 | 364 | } |
968f1a79 | 365 | } |
d9dfbc90 EA |
366 | #endif |
367 | ||
b3cbe40f EA |
368 | errno = 0; |
369 | from = NULL; | |
378e8da7 | 370 | |
f9216f31 EA |
371 | /* initialize some macros, etc. */ |
372 | initmacros(CurEnv); | |
f668cc37 | 373 | init_vendor_macros(CurEnv); |
4388720d | 374 | |
f9216f31 EA |
375 | /* version */ |
376 | define('v', Version, CurEnv); | |
dec0d30e | 377 | |
94bc039a | 378 | /* hostname */ |
a8ec2376 | 379 | hp = myhostname(jbuf, sizeof jbuf); |
94bc039a EA |
380 | if (jbuf[0] != '\0') |
381 | { | |
382 | struct utsname utsname; | |
dec0d30e | 383 | |
94bc039a EA |
384 | if (tTd(0, 4)) |
385 | printf("canonical name: %s\n", jbuf); | |
199d44c8 | 386 | define('w', newstr(jbuf), CurEnv); /* must be new string */ |
9589f88f EA |
387 | define('j', newstr(jbuf), CurEnv); |
388 | setclass('w', jbuf); | |
422bed79 | 389 | |
00bc4ac2 EA |
390 | p = strchr(jbuf, '.'); |
391 | if (p != NULL) | |
43e0af62 | 392 | { |
8e855fad EA |
393 | if (p[1] != '\0') |
394 | { | |
395 | define('m', newstr(&p[1]), CurEnv); | |
8e855fad EA |
396 | } |
397 | while (p != NULL && strchr(&p[1], '.') != NULL) | |
398 | { | |
399 | *p = '\0'; | |
400 | setclass('w', jbuf); | |
401 | *p++ = '.'; | |
402 | p = strchr(p, '.'); | |
403 | } | |
43e0af62 | 404 | } |
4388720d | 405 | |
94bc039a EA |
406 | if (uname(&utsname) >= 0) |
407 | p = utsname.nodename; | |
408 | else | |
409 | { | |
263ae475 EA |
410 | if (tTd(0, 22)) |
411 | printf("uname failed (%s)\n", errstring(errno)); | |
94bc039a EA |
412 | makelower(jbuf); |
413 | p = jbuf; | |
414 | } | |
415 | if (tTd(0, 4)) | |
a8ec2376 | 416 | printf(" UUCP nodename: %s\n", p); |
94bc039a EA |
417 | p = newstr(p); |
418 | define('k', p, CurEnv); | |
b4899768 | 419 | setclass('k', p); |
94bc039a EA |
420 | setclass('w', p); |
421 | } | |
a8ec2376 | 422 | if (hp != NULL) |
94bc039a | 423 | { |
a8ec2376 EA |
424 | for (av = hp->h_aliases; av != NULL && *av != NULL; av++) |
425 | { | |
426 | if (tTd(0, 4)) | |
427 | printf("\ta.k.a.: %s\n", *av); | |
428 | setclass('w', *av); | |
429 | } | |
648eb46e | 430 | if (hp->h_addrtype == AF_INET && hp->h_length == INADDRSZ) |
a8ec2376 EA |
431 | { |
432 | register int i; | |
433 | ||
434 | for (i = 0; hp->h_addr_list[i] != NULL; i++) | |
435 | { | |
436 | char ipbuf[100]; | |
437 | ||
438 | sprintf(ipbuf, "[%s]", | |
439 | inet_ntoa(*((struct in_addr *) hp->h_addr_list[i]))); | |
440 | if (tTd(0, 4)) | |
441 | printf("\ta.k.a.: %s\n", ipbuf); | |
442 | setclass('w', ipbuf); | |
443 | } | |
444 | } | |
1dbda134 | 445 | } |
378e8da7 | 446 | |
b46947c2 EA |
447 | /* probe interfaces and locate any additional names */ |
448 | load_if_names(); | |
449 | ||
378e8da7 | 450 | /* current time */ |
22e6d6b8 | 451 | define('b', arpadate((char *) NULL), CurEnv); |
378e8da7 | 452 | |
94bc039a EA |
453 | /* |
454 | ** Find our real host name for future logging. | |
455 | */ | |
456 | ||
3f03d7a7 EA |
457 | p = getauthinfo(STDIN_FILENO); |
458 | define('_', p, CurEnv); | |
94bc039a | 459 | |
a691a4a6 | 460 | /* |
c1e24818 | 461 | ** Crack argv. |
a691a4a6 EA |
462 | */ |
463 | ||
acae5a9d | 464 | av = argv; |
f3d8f6d6 | 465 | p = strrchr(*av, '/'); |
26a3626c EA |
466 | if (p++ == NULL) |
467 | p = *av; | |
468 | if (strcmp(p, "newaliases") == 0) | |
75f95954 | 469 | OpMode = MD_INITALIAS; |
26a3626c | 470 | else if (strcmp(p, "mailq") == 0) |
75f95954 | 471 | OpMode = MD_PRINT; |
34fe0a9b EA |
472 | else if (strcmp(p, "smtpd") == 0) |
473 | OpMode = MD_DAEMON; | |
b2d4b27a KB |
474 | |
475 | optind = 1; | |
a0431b8d | 476 | while ((j = getopt(argc, argv, OPTIONS)) != EOF) |
f96fa7de EA |
477 | { |
478 | switch (j) | |
a691a4a6 | 479 | { |
75f95954 | 480 | case 'b': /* operations mode */ |
f96fa7de | 481 | switch (j = *optarg) |
c1e24818 | 482 | { |
75f95954 | 483 | case MD_DAEMON: |
908dc8db | 484 | # ifdef DAEMON |
fd57f063 | 485 | if (RealUid != 0) { |
908dc8db MK |
486 | usrerr("Permission denied"); |
487 | exit (EX_USAGE); | |
488 | } | |
489 | (void) unsetenv("HOSTALIASES"); | |
490 | # else | |
2e15a2d8 MK |
491 | usrerr("Daemon mode not implemented"); |
492 | ExitStat = EX_USAGE; | |
75f95954 | 493 | break; |
f3d8f6d6 | 494 | # endif /* DAEMON */ |
75f95954 EA |
495 | case MD_SMTP: |
496 | # ifndef SMTP | |
2e15a2d8 MK |
497 | usrerr("I don't speak SMTP"); |
498 | ExitStat = EX_USAGE; | |
75f95954 | 499 | break; |
f3d8f6d6 | 500 | # endif /* SMTP */ |
75f95954 EA |
501 | case MD_DELIVER: |
502 | case MD_VERIFY: | |
503 | case MD_TEST: | |
504 | case MD_INITALIAS: | |
505 | case MD_PRINT: | |
d940893e | 506 | case MD_ARPAFTP: |
b2d4b27a | 507 | OpMode = j; |
75f95954 EA |
508 | break; |
509 | ||
ca708b8e EA |
510 | case MD_FREEZE: |
511 | usrerr("Frozen configurations unsupported"); | |
512 | ExitStat = EX_USAGE; | |
513 | break; | |
ca708b8e | 514 | |
75f95954 | 515 | default: |
b2d4b27a | 516 | usrerr("Invalid operation mode %c", j); |
2e15a2d8 | 517 | ExitStat = EX_USAGE; |
75f95954 | 518 | break; |
c1e24818 EA |
519 | } |
520 | break; | |
521 | ||
96bfbc2c | 522 | case 'B': /* body type */ |
c244ef3c EA |
523 | if (strcasecmp(optarg, "7bit") == 0 || |
524 | strcasecmp(optarg, "8bitmime") == 0) | |
525 | CurEnv->e_bodytype = newstr(optarg); | |
526 | else | |
527 | usrerr("Illegal body type %s", optarg); | |
96bfbc2c EA |
528 | break; |
529 | ||
560a80d9 | 530 | case 'C': /* select configuration file (already done) */ |
fd57f063 | 531 | if (RealUid != 0) |
fe3849ea | 532 | warn_C_flag = TRUE; |
27e07eea EA |
533 | ConfFile = optarg; |
534 | (void) setgid(RealGid); | |
535 | (void) setuid(RealUid); | |
536 | safecf = FALSE; | |
c1e24818 | 537 | break; |
a691a4a6 | 538 | |
27e07eea | 539 | case 'd': /* debugging -- already done */ |
c1e24818 | 540 | break; |
b3cbe40f | 541 | |
b3cbe40f | 542 | case 'f': /* from address */ |
c1e24818 | 543 | case 'r': /* obsolete -f flag */ |
22659072 | 544 | if (from != NULL) |
b3cbe40f | 545 | { |
2e15a2d8 MK |
546 | usrerr("More than one \"from\" person"); |
547 | ExitStat = EX_USAGE; | |
b3cbe40f EA |
548 | break; |
549 | } | |
dcf45886 | 550 | from = newstr(denlstring(optarg, TRUE, TRUE)); |
3f03d7a7 | 551 | if (strcmp(RealUserName, from) != 0) |
fe3849ea | 552 | warn_f_flag = j; |
b3cbe40f EA |
553 | break; |
554 | ||
6da7b890 | 555 | case 'F': /* set full name */ |
a72ebd13 | 556 | FullName = newstr(optarg); |
6da7b890 EA |
557 | break; |
558 | ||
b3cbe40f | 559 | case 'h': /* hop count */ |
b2d4b27a KB |
560 | CurEnv->e_hopcount = strtol(optarg, &ep, 10); |
561 | if (*ep) | |
b3cbe40f | 562 | { |
b2d4b27a | 563 | usrerr("Bad hop count (%s)", optarg); |
2e15a2d8 | 564 | ExitStat = EX_USAGE; |
3110074f | 565 | break; |
b3cbe40f | 566 | } |
b3cbe40f | 567 | break; |
b3cbe40f | 568 | |
c1e24818 EA |
569 | case 'n': /* don't alias */ |
570 | NoAlias = TRUE; | |
d59b067a EA |
571 | break; |
572 | ||
c1e24818 | 573 | case 'o': /* set option */ |
8c8e8e94 | 574 | setoption(*optarg, optarg + 1, FALSE, TRUE, CurEnv); |
14a39063 | 575 | break; |
cbdb7357 | 576 | |
ffb8b362 EA |
577 | case 'O': /* set option (long form) */ |
578 | setoption(' ', optarg, FALSE, TRUE, CurEnv); | |
579 | break; | |
580 | ||
b1e36c23 | 581 | case 'p': /* set protocol */ |
00bc4ac2 EA |
582 | p = strchr(optarg, ':'); |
583 | if (p != NULL) | |
c244ef3c | 584 | { |
00bc4ac2 | 585 | *p++ = '\0'; |
c244ef3c EA |
586 | if (*p != '\0') |
587 | { | |
588 | ep = xalloc(strlen(p) + 1); | |
589 | cleanstrcpy(ep, p, MAXNAME); | |
590 | define('s', ep, CurEnv); | |
591 | } | |
592 | } | |
b2d4b27a | 593 | if (*optarg != '\0') |
c244ef3c EA |
594 | { |
595 | ep = xalloc(strlen(optarg) + 1); | |
596 | cleanstrcpy(ep, optarg, MAXNAME); | |
597 | define('r', ep, CurEnv); | |
598 | } | |
b1e36c23 EA |
599 | break; |
600 | ||
ed45aae1 | 601 | case 'q': /* run queue files at intervals */ |
884a20cb | 602 | # ifdef QUEUE |
908dc8db | 603 | (void) unsetenv("HOSTALIASES"); |
d0a69620 | 604 | FullName = NULL; |
aba51985 | 605 | queuemode = TRUE; |
d6c28d1a EA |
606 | switch (optarg[0]) |
607 | { | |
608 | case 'I': | |
609 | QueueLimitId = newstr(&optarg[1]); | |
610 | break; | |
611 | ||
612 | case 'R': | |
613 | QueueLimitRecipient = newstr(&optarg[1]); | |
614 | break; | |
615 | ||
616 | case 'S': | |
617 | QueueLimitSender = newstr(&optarg[1]); | |
618 | break; | |
619 | ||
620 | default: | |
1d136a1f | 621 | QueueIntvl = convtime(optarg, 'm'); |
d6c28d1a EA |
622 | break; |
623 | } | |
f3d8f6d6 | 624 | # else /* QUEUE */ |
2e15a2d8 MK |
625 | usrerr("I don't know about queues"); |
626 | ExitStat = EX_USAGE; | |
f3d8f6d6 | 627 | # endif /* QUEUE */ |
ed45aae1 EA |
628 | break; |
629 | ||
c1e24818 EA |
630 | case 't': /* read recipients from message */ |
631 | GrabTo = TRUE; | |
632 | break; | |
633 | ||
8e5c6745 | 634 | case 'X': /* traffic log file */ |
2f445f39 | 635 | setgid(RealGid); |
fd57f063 | 636 | setuid(RealUid); |
8e5c6745 EA |
637 | TrafficLogFile = fopen(optarg, "a"); |
638 | if (TrafficLogFile == NULL) | |
639 | { | |
640 | syserr("cannot open %s", optarg); | |
641 | break; | |
642 | } | |
643 | #ifdef HASSETVBUF | |
9bc46e51 | 644 | setvbuf(TrafficLogFile, NULL, _IOLBF, 0); |
8e5c6745 EA |
645 | #else |
646 | setlinebuf(TrafficLogFile); | |
647 | #endif | |
648 | break; | |
649 | ||
c1e24818 | 650 | /* compatibility flags */ |
c1e24818 | 651 | case 'c': /* connect to non-local mailers */ |
c1e24818 EA |
652 | case 'i': /* don't let dot stop me */ |
653 | case 'm': /* send to me too */ | |
654 | case 'T': /* set timeout interval */ | |
655 | case 'v': /* give blow-by-blow description */ | |
8c8e8e94 | 656 | setoption(j, "T", FALSE, TRUE, CurEnv); |
35cc3fad EA |
657 | break; |
658 | ||
5b80e275 | 659 | case 'e': /* error message disposition */ |
807670cb | 660 | case 'M': /* define macro */ |
8c8e8e94 | 661 | setoption(j, optarg, FALSE, TRUE, CurEnv); |
5b80e275 EA |
662 | break; |
663 | ||
c1e24818 | 664 | case 's': /* save From lines in headers */ |
8c8e8e94 | 665 | setoption('f', "T", FALSE, TRUE, CurEnv); |
b3cbe40f | 666 | break; |
26a3626c EA |
667 | |
668 | # ifdef DBM | |
669 | case 'I': /* initialize alias DBM file */ | |
75f95954 | 670 | OpMode = MD_INITALIAS; |
26a3626c | 671 | break; |
ce46a48a EA |
672 | # endif /* DBM */ |
673 | ||
8e5c6745 EA |
674 | # if defined(__osf__) || defined(_AIX3) |
675 | case 'x': /* random flag that OSF/1 & AIX mailx passes */ | |
97030b8b EA |
676 | break; |
677 | # endif | |
cf3d0af9 EA |
678 | # if defined(sony_news) |
679 | case 'E': | |
680 | case 'J': /* ignore flags for Japanese code conversion | |
681 | impremented on Sony NEWS */ | |
682 | break; | |
683 | # endif | |
97030b8b | 684 | |
b2d4b27a KB |
685 | default: |
686 | ExitStat = EX_USAGE; | |
687 | finis(); | |
ce46a48a | 688 | break; |
b3cbe40f | 689 | } |
f96fa7de | 690 | } |
b2d4b27a | 691 | av += optind; |
b3cbe40f | 692 | |
9e3c0a28 | 693 | /* |
2cce0c26 EA |
694 | ** Do basic initialization. |
695 | ** Read system control file. | |
179c1218 | 696 | ** Extract special fields for local use. |
9e3c0a28 EA |
697 | */ |
698 | ||
0ec6593d EA |
699 | #ifdef XDEBUG |
700 | checkfd012("before readcf"); | |
701 | #endif | |
f5200cfc | 702 | vendor_pre_defaults(CurEnv); |
7150062b | 703 | readcf(getcfname(), safecf, CurEnv); |
f5200cfc | 704 | vendor_post_defaults(CurEnv); |
22659072 | 705 | |
ac00b13d EA |
706 | /* set up the $=m class now, after .cf has a chance to redefine $m */ |
707 | expand("\201m", jbuf, sizeof jbuf, CurEnv); | |
708 | setclass('m', jbuf); | |
709 | ||
199d44c8 EA |
710 | if (tTd(0, 1)) |
711 | { | |
f405af66 EA |
712 | printf("SYSTEM IDENTITY (after readcf):"); |
713 | printf("\n\t (short domain name) $w = "); | |
714 | xputs(macvalue('w', CurEnv)); | |
715 | printf("\n\t(canonical domain name) $j = "); | |
716 | xputs(macvalue('j', CurEnv)); | |
717 | printf("\n\t (subdomain name) $m = "); | |
718 | xputs(macvalue('m', CurEnv)); | |
719 | printf("\n\t (node name) $k = "); | |
720 | xputs(macvalue('k', CurEnv)); | |
721 | printf("\n"); | |
199d44c8 EA |
722 | } |
723 | ||
a4d692c7 EA |
724 | /* |
725 | ** Initialize name server if it is going to be used. | |
726 | */ | |
727 | ||
968f1a79 EA |
728 | #if NAMED_BIND |
729 | if (!bitset(RES_INIT, _res.options)) | |
730 | res_init(); | |
731 | #endif | |
732 | ||
733 | /* | |
734 | ** Initialize name server if it is going to be used. | |
735 | */ | |
736 | ||
a4d692c7 EA |
737 | #if NAMED_BIND |
738 | if (UseNameServer && !bitset(RES_INIT, _res.options)) | |
739 | res_init(); | |
740 | #endif | |
741 | ||
fe3849ea EA |
742 | /* |
743 | ** Process authorization warnings from command line. | |
744 | */ | |
745 | ||
746 | if (warn_C_flag) | |
747 | auth_warning(CurEnv, "Processed by %s with -C %s", | |
748 | RealUserName, ConfFile); | |
8d69c895 | 749 | if (warn_f_flag != '\0' && !wordinclass(RealUserName, 't')) |
fe3849ea EA |
750 | auth_warning(CurEnv, "%s set sender to %s using -%c", |
751 | RealUserName, from, warn_f_flag); | |
752 | if (Warn_Q_option) | |
753 | auth_warning(CurEnv, "Processed from queue %s", QueueDir); | |
754 | ||
52804175 EA |
755 | /* supress error printing if errors mailed back or whatever */ |
756 | if (CurEnv->e_errormode != EM_PRINT) | |
757 | HoldErrs = TRUE; | |
758 | ||
ca4d0c0b EA |
759 | /* Enforce use of local time (null string overrides this) */ |
760 | if (TimeZoneSpec == NULL) | |
761 | unsetenv("TZ"); | |
762 | else if (TimeZoneSpec[0] != '\0') | |
c5481fb9 | 763 | setuserenv("TZ", TimeZoneSpec); |
cf3d0af9 | 764 | tzset(); |
ca4d0c0b | 765 | |
2281a453 EA |
766 | if (ConfigLevel > MAXCONFIGLEVEL) |
767 | { | |
768 | syserr("Warning: .cf version level (%d) exceeds program functionality (%d)", | |
769 | ConfigLevel, MAXCONFIGLEVEL); | |
770 | } | |
8e5c6745 | 771 | |
72d7d51e EA |
772 | if (MeToo) |
773 | BlankEnvelope.e_flags |= EF_METOO; | |
774 | ||
75f95954 | 775 | switch (OpMode) |
acae5a9d | 776 | { |
13dfebea EA |
777 | case MD_DAEMON: |
778 | /* remove things that don't make sense in daemon mode */ | |
779 | FullName = NULL; | |
b6aec1fc | 780 | GrabTo = FALSE; |
8357eea5 EA |
781 | |
782 | /* arrange to restart on hangup signal */ | |
783 | setsignal(SIGHUP, sighup); | |
784 | break; | |
785 | ||
786 | case MD_INITALIAS: | |
787 | Verbose = TRUE; | |
788 | /* fall through... */ | |
789 | ||
790 | default: | |
791 | /* arrange to exit cleanly on hangup signal */ | |
792 | setsignal(SIGHUP, intsig); | |
13dfebea | 793 | break; |
94bc039a | 794 | } |
3fb35974 | 795 | |
a72ebd13 EA |
796 | /* full names can't have newlines */ |
797 | if (FullName != NULL && strchr(FullName, '\n') != NULL) | |
dcf45886 | 798 | FullName = newstr(denlstring(FullName, TRUE, TRUE)); |
a72ebd13 | 799 | |
6130649c EA |
800 | /* do heuristic mode adjustment */ |
801 | if (Verbose) | |
75f95954 EA |
802 | { |
803 | /* turn off noconnect option */ | |
8c8e8e94 | 804 | setoption('c', "F", TRUE, FALSE, CurEnv); |
75f95954 EA |
805 | |
806 | /* turn on interactive delivery */ | |
8c8e8e94 | 807 | setoption('d', "", TRUE, FALSE, CurEnv); |
75f95954 | 808 | } |
6130649c | 809 | |
8e5c6745 EA |
810 | if (ConfigLevel < 3) |
811 | { | |
812 | UseErrorsTo = TRUE; | |
813 | } | |
814 | ||
179c1218 | 815 | /* our name for SMTP codes */ |
832e8a27 | 816 | expand("\201j", jbuf, sizeof jbuf, CurEnv); |
57c97d4a | 817 | MyHostName = jbuf; |
d095f082 EA |
818 | if (strchr(jbuf, '.') == NULL) |
819 | message("WARNING: local host name (%s) is not qualified; fix $j in config file", | |
820 | jbuf); | |
d6a28dd8 | 821 | |
9e71f298 EA |
822 | /* make certain that this name is part of the $=w class */ |
823 | setclass('w', MyHostName); | |
824 | ||
98e5062b | 825 | /* the indices of built-in mailers */ |
179c1218 EA |
826 | st = stab("local", ST_MAILER, ST_FIND); |
827 | if (st == NULL) | |
828 | syserr("No local mailer defined"); | |
829 | else | |
830 | LocalMailer = st->s_mailer; | |
98e5062b | 831 | |
179c1218 EA |
832 | st = stab("prog", ST_MAILER, ST_FIND); |
833 | if (st == NULL) | |
834 | syserr("No prog mailer defined"); | |
835 | else | |
2e8fcefb | 836 | { |
179c1218 | 837 | ProgMailer = st->s_mailer; |
2e8fcefb EA |
838 | clrbitn(M_MUSER, ProgMailer->m_flags); |
839 | } | |
179c1218 | 840 | |
98e5062b EA |
841 | st = stab("*file*", ST_MAILER, ST_FIND); |
842 | if (st == NULL) | |
843 | syserr("No *file* mailer defined"); | |
844 | else | |
2e8fcefb | 845 | { |
98e5062b | 846 | FileMailer = st->s_mailer; |
2e8fcefb EA |
847 | clrbitn(M_MUSER, FileMailer->m_flags); |
848 | } | |
98e5062b EA |
849 | |
850 | st = stab("*include*", ST_MAILER, ST_FIND); | |
851 | if (st == NULL) | |
852 | syserr("No *include* mailer defined"); | |
853 | else | |
854 | InclMailer = st->s_mailer; | |
855 | ||
2bade550 EA |
856 | if (ConfigLevel < 6) |
857 | { | |
e7a9542d | 858 | /* heuristic tweaking of local mailer for back compat */ |
2bade550 EA |
859 | if (LocalMailer != NULL) |
860 | { | |
861 | setbitn(M_ALIASABLE, LocalMailer->m_flags); | |
862 | setbitn(M_HASPWENT, LocalMailer->m_flags); | |
863 | setbitn(M_TRYRULESET5, LocalMailer->m_flags); | |
864 | setbitn(M_CHECKINCLUDE, LocalMailer->m_flags); | |
865 | setbitn(M_CHECKPROG, LocalMailer->m_flags); | |
866 | setbitn(M_CHECKFILE, LocalMailer->m_flags); | |
867 | setbitn(M_CHECKUDB, LocalMailer->m_flags); | |
868 | } | |
869 | if (ProgMailer != NULL) | |
870 | setbitn(M_RUNASRCPT, ProgMailer->m_flags); | |
871 | if (FileMailer != NULL) | |
872 | setbitn(M_RUNASRCPT, FileMailer->m_flags); | |
05b75231 EA |
873 | |
874 | /* propogate some envariables into children */ | |
05b75231 EA |
875 | setuserenv("ISP", NULL); |
876 | setuserenv("SYSTYPE", NULL); | |
2bade550 | 877 | } |
98e5062b | 878 | |
568b126e | 879 | /* MIME Content-Types that cannot be transfer encoded */ |
022362dd EA |
880 | setclass('n', "multipart/signed"); |
881 | ||
568b126e EA |
882 | /* MIME Content-Transfer-Encodings that can be encoded */ |
883 | setclass('e', "7bit"); | |
884 | setclass('e', "8bit"); | |
885 | setclass('e', "binary"); | |
886 | ||
6bbaf971 | 887 | /* operate in queue directory */ |
aa4f5b7e | 888 | if (OpMode != MD_TEST && chdir(QueueDir) < 0) |
6bbaf971 EA |
889 | { |
890 | syserr("cannot chdir(%s)", QueueDir); | |
8e5c6745 | 891 | ExitStat = EX_SOFTWARE; |
6bbaf971 EA |
892 | } |
893 | ||
51cc57b9 EA |
894 | # ifdef QUEUE |
895 | if (queuemode && RealUid != 0 && bitset(PRIV_RESTRICTQRUN, PrivacyFlags)) | |
896 | { | |
897 | struct stat stbuf; | |
898 | ||
899 | /* check to see if we own the queue directory */ | |
900 | if (stat(".", &stbuf) < 0) | |
901 | syserr("main: cannot stat %s", QueueDir); | |
902 | if (stbuf.st_uid != RealUid) | |
903 | { | |
904 | /* nope, really a botch */ | |
905 | usrerr("You do not have permission to process the queue"); | |
906 | exit (EX_NOPERM); | |
907 | } | |
908 | } | |
909 | # endif /* QUEUE */ | |
910 | ||
876fc43b | 911 | /* if we've had errors so far, exit now */ |
8e5c6745 | 912 | if (ExitStat != EX_OK && OpMode != MD_TEST) |
fd57f063 EA |
913 | { |
914 | setuid(RealUid); | |
876fc43b | 915 | exit(ExitStat); |
fd57f063 | 916 | } |
876fc43b | 917 | |
0ec6593d EA |
918 | #ifdef XDEBUG |
919 | checkfd012("before main() initmaps"); | |
920 | #endif | |
921 | ||
64912e7e | 922 | /* |
55f0da62 | 923 | ** Do operation-mode-dependent initialization. |
64912e7e EA |
924 | */ |
925 | ||
55f0da62 | 926 | switch (OpMode) |
64912e7e | 927 | { |
55f0da62 EA |
928 | case MD_PRINT: |
929 | /* print the queue */ | |
74f37936 | 930 | #ifdef QUEUE |
64912e7e EA |
931 | dropenvelope(CurEnv); |
932 | printqueue(); | |
fd57f063 | 933 | setuid(RealUid); |
64912e7e | 934 | exit(EX_OK); |
f3d8f6d6 | 935 | #else /* QUEUE */ |
74f37936 EA |
936 | usrerr("No queue to print"); |
937 | finis(); | |
f3d8f6d6 | 938 | #endif /* QUEUE */ |
8acb5142 | 939 | |
55f0da62 EA |
940 | case MD_INITALIAS: |
941 | /* initialize alias database */ | |
36b09297 | 942 | initmaps(TRUE, CurEnv); |
fd57f063 | 943 | setuid(RealUid); |
f4dbf345 | 944 | exit(EX_OK); |
cdb17311 | 945 | |
55f0da62 | 946 | case MD_DAEMON: |
fae402c5 | 947 | case MD_SMTP: |
55f0da62 EA |
948 | /* don't open alias database -- done in srvrsmtp */ |
949 | break; | |
950 | ||
951 | default: | |
952 | /* open the alias database */ | |
36b09297 | 953 | initmaps(FALSE, CurEnv); |
55f0da62 EA |
954 | break; |
955 | } | |
956 | ||
9678c96d | 957 | if (tTd(0, 15)) |
9c6d4c70 | 958 | { |
f6a0cc15 | 959 | /* print configuration table (or at least part of it) */ |
66d16835 EA |
960 | if (tTd(0, 90)) |
961 | printrules(); | |
9c6d4c70 EA |
962 | for (i = 0; i < MAXMAILERS; i++) |
963 | { | |
66d16835 EA |
964 | if (Mailer[i] != NULL) |
965 | printmailer(Mailer[i]); | |
9c6d4c70 EA |
966 | } |
967 | } | |
9c6d4c70 | 968 | |
be2fcca9 EA |
969 | /* |
970 | ** Switch to the main envelope. | |
971 | */ | |
972 | ||
fda58daa | 973 | CurEnv = newenvelope(&MainEnvelope, CurEnv); |
e6f08ab1 | 974 | MainEnvelope.e_flags = BlankEnvelope.e_flags; |
be2fcca9 | 975 | |
cf69a203 EA |
976 | /* |
977 | ** If test mode, read addresses from stdin and process. | |
978 | */ | |
979 | ||
75f95954 | 980 | if (OpMode == MD_TEST) |
cf69a203 EA |
981 | { |
982 | char buf[MAXLINE]; | |
983 | ||
6ae7224f EA |
984 | if (isatty(fileno(stdin))) |
985 | Verbose = TRUE; | |
986 | ||
987 | if (Verbose) | |
dab2b390 EA |
988 | { |
989 | printf("ADDRESS TEST MODE (ruleset 3 NOT automatically invoked)\n"); | |
990 | printf("Enter <ruleset> <address>\n"); | |
991 | } | |
cf69a203 EA |
992 | for (;;) |
993 | { | |
179d940c EA |
994 | extern void testmodeline __P((char *, ENVELOPE *)); |
995 | ||
6ae7224f | 996 | if (Verbose) |
dab2b390 | 997 | printf("> "); |
0e306e7f | 998 | (void) fflush(stdout); |
cf69a203 EA |
999 | if (fgets(buf, sizeof buf, stdin) == NULL) |
1000 | finis(); | |
f0e50cf0 EA |
1001 | p = strchr(buf, '\n'); |
1002 | if (p != NULL) | |
1003 | *p = '\0'; | |
6ae7224f | 1004 | if (!Verbose) |
f0e50cf0 | 1005 | printf("> %s\n", buf); |
8b759318 | 1006 | testmodeline(buf, CurEnv); |
cf69a203 EA |
1007 | } |
1008 | } | |
1009 | ||
e3cd595c EA |
1010 | # ifdef QUEUE |
1011 | /* | |
1012 | ** If collecting stuff from the queue, go start doing that. | |
1013 | */ | |
1014 | ||
7b21425b | 1015 | if (queuemode && OpMode != MD_DAEMON && QueueIntvl == 0) |
e3cd595c | 1016 | { |
ca4d0c0b | 1017 | runqueue(FALSE); |
e3cd595c EA |
1018 | finis(); |
1019 | } | |
f3d8f6d6 | 1020 | # endif /* QUEUE */ |
e3cd595c | 1021 | |
f6a0cc15 EA |
1022 | /* |
1023 | ** If a daemon, wait for a request. | |
1024 | ** getrequests will always return in a child. | |
25b9d645 | 1025 | ** If we should also be processing the queue, start |
19147b2d EA |
1026 | ** doing it in background. |
1027 | ** We check for any errors that might have happened | |
1028 | ** during startup. | |
f6a0cc15 EA |
1029 | */ |
1030 | ||
75f95954 | 1031 | if (OpMode == MD_DAEMON || QueueIntvl != 0) |
25b9d645 | 1032 | { |
d0421a85 EA |
1033 | char dtype[200]; |
1034 | ||
a66169ae | 1035 | if (!tTd(52, 100)) |
58b27aa4 | 1036 | { |
fcdf8200 | 1037 | /* put us in background */ |
58b27aa4 EA |
1038 | i = fork(); |
1039 | if (i < 0) | |
1040 | syserr("daemon: cannot fork"); | |
1041 | if (i != 0) | |
1042 | exit(0); | |
fcdf8200 | 1043 | |
fcdf8200 | 1044 | /* disconnect from our controlling tty */ |
9bc46e51 | 1045 | disconnect(2, CurEnv); |
58b27aa4 | 1046 | } |
7338e3d4 | 1047 | |
d0421a85 EA |
1048 | dtype[0] = '\0'; |
1049 | if (OpMode == MD_DAEMON) | |
1050 | strcat(dtype, "+SMTP"); | |
1051 | if (QueueIntvl != 0) | |
1052 | { | |
d0421a85 EA |
1053 | strcat(dtype, "+queueing@"); |
1054 | strcat(dtype, pintvl(QueueIntvl, TRUE)); | |
1055 | } | |
1056 | if (tTd(0, 1)) | |
1057 | strcat(dtype, "+debugging"); | |
1058 | ||
8b223875 | 1059 | #ifdef LOG |
ae1d509e | 1060 | syslog(LOG_INFO, "starting daemon (%s): %s", Version, dtype + 1); |
8b223875 | 1061 | #endif |
b4f81c5d EA |
1062 | #ifdef XLA |
1063 | xla_create_file(); | |
1064 | #endif | |
d0421a85 | 1065 | |
25b9d645 EA |
1066 | # ifdef QUEUE |
1067 | if (queuemode) | |
f309127e | 1068 | { |
ca4d0c0b | 1069 | runqueue(TRUE); |
75f95954 | 1070 | if (OpMode != MD_DAEMON) |
f309127e EA |
1071 | for (;;) |
1072 | pause(); | |
1073 | } | |
f3d8f6d6 | 1074 | # endif /* QUEUE */ |
7338e3d4 EA |
1075 | dropenvelope(CurEnv); |
1076 | ||
1077 | #ifdef DAEMON | |
f6a0cc15 | 1078 | getrequests(); |
2a16bae3 EA |
1079 | |
1080 | /* at this point we are in a child: reset state */ | |
fda58daa | 1081 | (void) newenvelope(CurEnv, CurEnv); |
3f03d7a7 EA |
1082 | |
1083 | /* | |
1084 | ** Get authentication data | |
1085 | */ | |
1086 | ||
1087 | p = getauthinfo(fileno(InChannel)); | |
1088 | define('_', p, CurEnv); | |
1089 | ||
f3d8f6d6 | 1090 | #endif /* DAEMON */ |
7338e3d4 | 1091 | } |
88039044 EA |
1092 | |
1093 | # ifdef SMTP | |
1094 | /* | |
1095 | ** If running SMTP protocol, start collecting and executing | |
1096 | ** commands. This will never return. | |
1097 | */ | |
1098 | ||
198d9e9c | 1099 | if (OpMode == MD_SMTP || OpMode == MD_DAEMON) |
a4076aed | 1100 | smtp(CurEnv); |
f3d8f6d6 | 1101 | # endif /* SMTP */ |
88039044 | 1102 | |
6f26749b EA |
1103 | if (OpMode == MD_VERIFY) |
1104 | { | |
1105 | CurEnv->e_sendmode = SM_VERIFY; | |
1106 | CurEnv->e_errormode = EM_QUIET; | |
7e426411 | 1107 | PostMasterCopy = NULL; |
6f26749b EA |
1108 | } |
1109 | else | |
1110 | { | |
1111 | /* interactive -- all errors are global */ | |
281c6540 | 1112 | CurEnv->e_flags |= EF_GLOBALERRS|EF_LOGSENDER; |
6f26749b EA |
1113 | } |
1114 | ||
f6a0cc15 | 1115 | /* |
e6f08ab1 | 1116 | ** Do basic system initialization and set the sender |
f6a0cc15 EA |
1117 | */ |
1118 | ||
a4076aed | 1119 | initsys(CurEnv); |
4a2da288 | 1120 | setsender(from, CurEnv, NULL, FALSE); |
a9bac7a9 EA |
1121 | if (macvalue('s', CurEnv) == NULL) |
1122 | define('s', RealHostName, CurEnv); | |
a9e0e597 | 1123 | |
0e1aa71e | 1124 | if (*av == NULL && !GrabTo) |
e863b1fa | 1125 | { |
9bc46e51 | 1126 | CurEnv->e_flags |= EF_GLOBALERRS; |
2e3062fe EA |
1127 | usrerr("Recipient names must be specified"); |
1128 | ||
1129 | /* collect body for UUCP return */ | |
1130 | if (OpMode != MD_VERIFY) | |
c23930c0 | 1131 | collect(InChannel, FALSE, FALSE, NULL, CurEnv); |
e863b1fa EA |
1132 | finis(); |
1133 | } | |
b3cbe40f | 1134 | |
b3cbe40f | 1135 | /* |
d6b27179 | 1136 | ** Scan argv and deliver the message to everyone. |
b3cbe40f EA |
1137 | */ |
1138 | ||
a4076aed | 1139 | sendtoargv(av, CurEnv); |
b3cbe40f | 1140 | |
72e9b3cc | 1141 | /* if we have had errors sofar, arrange a meaningful exit stat */ |
d916f0ca | 1142 | if (Errors > 0 && ExitStat == EX_OK) |
a4b004a6 | 1143 | ExitStat = EX_USAGE; |
a4b004a6 | 1144 | |
dc39c568 EA |
1145 | /* |
1146 | ** Read the input mail. | |
1147 | */ | |
1148 | ||
2654b031 | 1149 | CurEnv->e_to = NULL; |
75f95954 | 1150 | if (OpMode != MD_VERIFY || GrabTo) |
9bc46e51 EA |
1151 | { |
1152 | CurEnv->e_flags |= EF_GLOBALERRS; | |
c23930c0 | 1153 | collect(InChannel, FALSE, FALSE, NULL, CurEnv); |
9bc46e51 | 1154 | } |
d829793b | 1155 | errno = 0; |
35cc3fad | 1156 | |
9678c96d | 1157 | if (tTd(1, 1)) |
2654b031 | 1158 | printf("From person = \"%s\"\n", CurEnv->e_from.q_paddr); |
d6b27179 | 1159 | |
b3cbe40f EA |
1160 | /* |
1161 | ** Actually send everything. | |
d6b27179 | 1162 | ** If verifying, just ack. |
b3cbe40f EA |
1163 | */ |
1164 | ||
7338e3d4 | 1165 | CurEnv->e_from.q_flags |= QDONTSEND; |
78bbbc48 EA |
1166 | if (tTd(1, 5)) |
1167 | { | |
1168 | printf("main: QDONTSEND "); | |
1169 | printaddr(&CurEnv->e_from, FALSE); | |
1170 | } | |
7338e3d4 | 1171 | CurEnv->e_to = NULL; |
f7e74083 | 1172 | sendall(CurEnv, SM_DEFAULT); |
b3cbe40f EA |
1173 | |
1174 | /* | |
8ed24c99 EA |
1175 | ** All done. |
1176 | ** Don't send return error message if in VERIFY mode. | |
b3cbe40f EA |
1177 | */ |
1178 | ||
1179 | finis(); | |
1180 | } | |
1181 | \f/* | |
1182 | ** FINIS -- Clean up and exit. | |
1183 | ** | |
b3cbe40f EA |
1184 | ** Parameters: |
1185 | ** none | |
1186 | ** | |
1187 | ** Returns: | |
1188 | ** never | |
1189 | ** | |
1190 | ** Side Effects: | |
96faada8 | 1191 | ** exits sendmail |
b3cbe40f EA |
1192 | */ |
1193 | ||
ea07b2d2 | 1194 | void |
b3cbe40f EA |
1195 | finis() |
1196 | { | |
9678c96d | 1197 | if (tTd(2, 1)) |
297f3a15 EA |
1198 | { |
1199 | extern void printenvflags(); | |
1200 | ||
1201 | printf("\n====finis: stat %d e_id=%s e_flags=", | |
1202 | ExitStat, | |
3c9561b8 | 1203 | CurEnv->e_id == NULL ? "NOQUEUE" : CurEnv->e_id); |
297f3a15 EA |
1204 | printenvflags(CurEnv); |
1205 | } | |
c56a2245 EA |
1206 | if (tTd(2, 9)) |
1207 | printopenfds(FALSE); | |
aba51985 | 1208 | |
7338e3d4 | 1209 | /* clean up temp files */ |
912acb74 | 1210 | CurEnv->e_to = NULL; |
e6f08ab1 | 1211 | dropenvelope(CurEnv); |
b3cbe40f | 1212 | |
f2e44ded | 1213 | /* flush any cached connections */ |
1c7897ef | 1214 | mci_flush(TRUE, NULL); |
f2e44ded | 1215 | |
b4f81c5d EA |
1216 | # ifdef XLA |
1217 | /* clean up extended load average stuff */ | |
1218 | xla_all_end(); | |
1219 | # endif | |
1220 | ||
7338e3d4 | 1221 | /* and exit */ |
36a4e219 | 1222 | # ifdef LOG |
68f7099c | 1223 | if (LogLevel > 78) |
36a4e219 | 1224 | syslog(LOG_DEBUG, "finis, pid=%d", getpid()); |
f3d8f6d6 | 1225 | # endif /* LOG */ |
8e2e14d3 | 1226 | if (ExitStat == EX_TEMPFAIL || CurEnv->e_errormode == EM_BERKNET) |
c8ec8736 | 1227 | ExitStat = EX_OK; |
fd57f063 EA |
1228 | |
1229 | /* reset uid for process accounting */ | |
1230 | setuid(RealUid); | |
1231 | ||
b3cbe40f EA |
1232 | exit(ExitStat); |
1233 | } | |
1234 | \f/* | |
6e2f38be EA |
1235 | ** INTSIG -- clean up on interrupt |
1236 | ** | |
7338e3d4 EA |
1237 | ** This just arranges to exit. It pessimises in that it |
1238 | ** may resend a message. | |
6e2f38be EA |
1239 | ** |
1240 | ** Parameters: | |
1241 | ** none. | |
1242 | ** | |
1243 | ** Returns: | |
1244 | ** none. | |
1245 | ** | |
1246 | ** Side Effects: | |
7338e3d4 | 1247 | ** Unlocks the current job. |
6e2f38be EA |
1248 | */ |
1249 | ||
0df908a9 | 1250 | void |
6e2f38be EA |
1251 | intsig() |
1252 | { | |
7338e3d4 EA |
1253 | FileName = NULL; |
1254 | unlockqueue(CurEnv); | |
b4f81c5d EA |
1255 | #ifdef XLA |
1256 | xla_all_end(); | |
1257 | #endif | |
fd57f063 EA |
1258 | |
1259 | /* reset uid for process accounting */ | |
1260 | setuid(RealUid); | |
1261 | ||
7338e3d4 | 1262 | exit(EX_OK); |
6e2f38be EA |
1263 | } |
1264 | \f/* | |
721fad23 EA |
1265 | ** INITMACROS -- initialize the macro system |
1266 | ** | |
1267 | ** This just involves defining some macros that are actually | |
1268 | ** used internally as metasymbols to be themselves. | |
1269 | ** | |
1270 | ** Parameters: | |
1271 | ** none. | |
1272 | ** | |
1273 | ** Returns: | |
1274 | ** none. | |
1275 | ** | |
1276 | ** Side Effects: | |
1277 | ** initializes several macros to be themselves. | |
1278 | */ | |
1279 | ||
9dbc8d99 EA |
1280 | struct metamac MetaMacros[] = |
1281 | { | |
eca244ca | 1282 | /* LHS pattern matching characters */ |
42fa5d67 EA |
1283 | '*', MATCHZANY, '+', MATCHANY, '-', MATCHONE, |
1284 | '=', MATCHCLASS, '~', MATCHNCLASS, | |
721fad23 EA |
1285 | |
1286 | /* these are RHS metasymbols */ | |
42fa5d67 EA |
1287 | '#', CANONNET, '@', CANONHOST, ':', CANONUSER, |
1288 | '>', CALLSUBR, | |
41173b8f | 1289 | '{', MATCHLOOKUP, '}', MATCHELOOKUP, |
721fad23 | 1290 | |
eca244ca | 1291 | /* the conditional operations */ |
42fa5d67 | 1292 | '?', CONDIF, '|', CONDELSE, '.', CONDFI, |
9dbc8d99 | 1293 | |
1ac3479f | 1294 | /* the hostname lookup characters */ |
42fa5d67 EA |
1295 | '[', HOSTBEGIN, ']', HOSTEND, |
1296 | '(', LOOKUPBEGIN, ')', LOOKUPEND, | |
eca244ca | 1297 | |
1ac3479f EA |
1298 | /* miscellaneous control characters */ |
1299 | '&', MACRODEXPAND, | |
1300 | ||
9dbc8d99 | 1301 | '\0' |
721fad23 EA |
1302 | }; |
1303 | ||
179d940c | 1304 | void |
72d3092a EA |
1305 | initmacros(e) |
1306 | register ENVELOPE *e; | |
721fad23 | 1307 | { |
9dbc8d99 EA |
1308 | register struct metamac *m; |
1309 | char buf[5]; | |
1310 | register int c; | |
721fad23 | 1311 | |
9dbc8d99 EA |
1312 | for (m = MetaMacros; m->metaname != '\0'; m++) |
1313 | { | |
1314 | buf[0] = m->metaval; | |
1315 | buf[1] = '\0'; | |
72d3092a | 1316 | define(m->metaname, newstr(buf), e); |
9dbc8d99 EA |
1317 | } |
1318 | buf[0] = MATCHREPL; | |
1319 | buf[2] = '\0'; | |
1320 | for (c = '0'; c <= '9'; c++) | |
1321 | { | |
1322 | buf[1] = c; | |
72d3092a | 1323 | define(c, newstr(buf), e); |
9dbc8d99 | 1324 | } |
72d3092a EA |
1325 | |
1326 | /* set defaults for some macros sendmail will use later */ | |
1327 | define('e', "\201j Sendmail \201v ready at \201b", e); | |
1328 | define('l', "From \201g \201d", e); | |
1329 | define('n', "MAILER-DAEMON", e); | |
1330 | define('o', ".:@[]", e); | |
1331 | define('q', "<\201g>", e); | |
721fad23 | 1332 | } |
dd1fe05b | 1333 | \f/* |
813d8709 EA |
1334 | ** DISCONNECT -- remove our connection with any foreground process |
1335 | ** | |
1336 | ** Parameters: | |
9bc46e51 EA |
1337 | ** droplev -- how "deeply" we should drop the line. |
1338 | ** 0 -- ignore signals, mail back errors, make sure | |
1339 | ** output goes to stdout. | |
1340 | ** 1 -- also, make stdout go to transcript. | |
1341 | ** 2 -- also, disconnect from controlling terminal | |
1342 | ** (only for daemon mode). | |
1343 | ** e -- the current envelope. | |
813d8709 EA |
1344 | ** |
1345 | ** Returns: | |
1346 | ** none | |
1347 | ** | |
1348 | ** Side Effects: | |
1349 | ** Trys to insure that we are immune to vagaries of | |
1350 | ** the controlling tty. | |
1351 | */ | |
1352 | ||
179d940c | 1353 | void |
9bc46e51 EA |
1354 | disconnect(droplev, e) |
1355 | int droplev; | |
58edf3ec | 1356 | register ENVELOPE *e; |
813d8709 EA |
1357 | { |
1358 | int fd; | |
1359 | ||
e6f08ab1 | 1360 | if (tTd(52, 1)) |
58edf3ec EA |
1361 | printf("disconnect: In %d Out %d, e=%x\n", |
1362 | fileno(InChannel), fileno(OutChannel), e); | |
a66169ae | 1363 | if (tTd(52, 100)) |
813d8709 | 1364 | { |
e6f08ab1 EA |
1365 | printf("don't\n"); |
1366 | return; | |
813d8709 | 1367 | } |
813d8709 EA |
1368 | |
1369 | /* be sure we don't get nasty signals */ | |
39270cfd EA |
1370 | (void) setsignal(SIGINT, SIG_IGN); |
1371 | (void) setsignal(SIGQUIT, SIG_IGN); | |
813d8709 EA |
1372 | |
1373 | /* we can't communicate with our caller, so.... */ | |
7338e3d4 | 1374 | HoldErrs = TRUE; |
8c8e8e94 | 1375 | CurEnv->e_errormode = EM_MAIL; |
813d8709 | 1376 | Verbose = FALSE; |
33cbaada | 1377 | DisConnected = TRUE; |
813d8709 EA |
1378 | |
1379 | /* all input from /dev/null */ | |
813d8709 | 1380 | if (InChannel != stdin) |
b9accadd EA |
1381 | { |
1382 | (void) fclose(InChannel); | |
1383 | InChannel = stdin; | |
1384 | } | |
1385 | (void) freopen("/dev/null", "r", stdin); | |
813d8709 EA |
1386 | |
1387 | /* output to the transcript */ | |
b9accadd | 1388 | if (OutChannel != stdout) |
813d8709 | 1389 | { |
b9accadd EA |
1390 | (void) fclose(OutChannel); |
1391 | OutChannel = stdout; | |
813d8709 | 1392 | } |
9bc46e51 EA |
1393 | if (droplev > 0) |
1394 | { | |
1395 | if (e->e_xfp == NULL) | |
1396 | fd = open("/dev/null", O_WRONLY, 0666); | |
1397 | else | |
1398 | fd = fileno(e->e_xfp); | |
1399 | (void) fflush(stdout); | |
1400 | dup2(fd, STDOUT_FILENO); | |
1401 | dup2(fd, STDERR_FILENO); | |
1402 | if (e->e_xfp == NULL) | |
1403 | close(fd); | |
1404 | } | |
813d8709 | 1405 | |
e6f08ab1 | 1406 | /* drop our controlling TTY completely if possible */ |
9bc46e51 | 1407 | if (droplev > 1) |
e6f08ab1 | 1408 | { |
5229f34d | 1409 | (void) setsid(); |
70faa7c8 | 1410 | errno = 0; |
e6f08ab1 | 1411 | } |
e6f08ab1 | 1412 | |
061a3d08 EA |
1413 | #ifdef XDEBUG |
1414 | checkfd012("disconnect"); | |
1415 | #endif | |
1416 | ||
813d8709 | 1417 | # ifdef LOG |
68f7099c | 1418 | if (LogLevel > 71) |
813d8709 | 1419 | syslog(LOG_DEBUG, "in background, pid=%d", getpid()); |
f3d8f6d6 | 1420 | # endif /* LOG */ |
813d8709 EA |
1421 | |
1422 | errno = 0; | |
1423 | } | |
b2d4b27a KB |
1424 | |
1425 | static void | |
1426 | obsolete(argv) | |
1427 | char *argv[]; | |
1428 | { | |
685eaca2 EA |
1429 | register char *ap; |
1430 | register char *op; | |
b2d4b27a | 1431 | |
a3934270 | 1432 | while ((ap = *++argv) != NULL) |
b2d4b27a KB |
1433 | { |
1434 | /* Return if "--" or not an option of any form. */ | |
1435 | if (ap[0] != '-' || ap[1] == '-') | |
1436 | return; | |
1437 | ||
685eaca2 EA |
1438 | /* skip over options that do have a value */ |
1439 | op = strchr(OPTIONS, ap[1]); | |
1440 | if (op != NULL && *++op == ':' && ap[2] == '\0' && | |
cf3d0af9 EA |
1441 | ap[1] != 'd' && |
1442 | #if defined(sony_news) | |
1443 | ap[1] != 'E' && ap[1] != 'J' && | |
1444 | #endif | |
1445 | argv[1] != NULL && argv[1][0] != '-') | |
685eaca2 EA |
1446 | { |
1447 | argv++; | |
1448 | continue; | |
1449 | } | |
1450 | ||
b2d4b27a KB |
1451 | /* If -C doesn't have an argument, use sendmail.cf. */ |
1452 | #define __DEFPATH "sendmail.cf" | |
685eaca2 | 1453 | if (ap[1] == 'C' && ap[2] == '\0') |
b2d4b27a KB |
1454 | { |
1455 | *argv = xalloc(sizeof(__DEFPATH) + 2); | |
1456 | argv[0][0] = '-'; | |
1457 | argv[0][1] = 'C'; | |
1458 | (void)strcpy(&argv[0][2], __DEFPATH); | |
1459 | } | |
f96fa7de EA |
1460 | |
1461 | /* If -q doesn't have an argument, run it once. */ | |
685eaca2 | 1462 | if (ap[1] == 'q' && ap[2] == '\0') |
f96fa7de | 1463 | *argv = "-q0"; |
a0431b8d EA |
1464 | |
1465 | /* if -d doesn't have an argument, use 0-99.1 */ | |
685eaca2 | 1466 | if (ap[1] == 'd' && ap[2] == '\0') |
a0431b8d | 1467 | *argv = "-d0-99.1"; |
cf3d0af9 EA |
1468 | |
1469 | # if defined(sony_news) | |
1470 | /* if -E doesn't have an argument, use -EC */ | |
1471 | if (ap[1] == 'E' && ap[2] == '\0') | |
1472 | *argv = "-EC"; | |
1473 | ||
1474 | /* if -J doesn't have an argument, use -JJ */ | |
1475 | if (ap[1] == 'J' && ap[2] == '\0') | |
1476 | *argv = "-JJ"; | |
1477 | # endif | |
b2d4b27a KB |
1478 | } |
1479 | } | |
94bc039a EA |
1480 | \f/* |
1481 | ** AUTH_WARNING -- specify authorization warning | |
1482 | ** | |
1483 | ** Parameters: | |
1484 | ** e -- the current envelope. | |
1485 | ** msg -- the text of the message. | |
1486 | ** args -- arguments to the message. | |
1487 | ** | |
1488 | ** Returns: | |
1489 | ** none. | |
1490 | */ | |
1491 | ||
94bc039a | 1492 | void |
319b1ec0 | 1493 | #ifdef __STDC__ |
c51d6c4c | 1494 | auth_warning(register ENVELOPE *e, const char *msg, ...) |
94bc039a EA |
1495 | #else |
1496 | auth_warning(e, msg, va_alist) | |
1497 | register ENVELOPE *e; | |
c51d6c4c | 1498 | const char *msg; |
94bc039a EA |
1499 | va_dcl |
1500 | #endif | |
1501 | { | |
1502 | char buf[MAXLINE]; | |
1503 | VA_LOCAL_DECL | |
1504 | ||
1505 | if (bitset(PRIV_AUTHWARNINGS, PrivacyFlags)) | |
1506 | { | |
1507 | register char *p; | |
1508 | static char hostbuf[48]; | |
a8ec2376 | 1509 | extern struct hostent *myhostname(); |
94bc039a EA |
1510 | |
1511 | if (hostbuf[0] == '\0') | |
1512 | (void) myhostname(hostbuf, sizeof hostbuf); | |
1513 | ||
db2c06cc | 1514 | (void) sprintf(buf, "%s: ", hostbuf); |
94bc039a EA |
1515 | p = &buf[strlen(buf)]; |
1516 | VA_START(msg); | |
1517 | vsprintf(p, msg, ap); | |
1518 | VA_END; | |
c23930c0 | 1519 | addheader("X-Authentication-Warning", buf, &e->e_header); |
cf3d0af9 EA |
1520 | #if LOG |
1521 | if (LogLevel > 3) | |
1522 | syslog(LOG_INFO, "%s: Authentication-Warning: %s", | |
1523 | e->e_id == NULL ? "[NOQUEUE]" : e->e_id, buf); | |
1524 | #endif | |
94bc039a EA |
1525 | } |
1526 | } | |
f0b11c9b | 1527 | \f/* |
05b75231 EA |
1528 | ** SETUSERENV -- set an environment in the propogated environment |
1529 | ** | |
1530 | ** Parameters: | |
1531 | ** envar -- the name of the environment variable. | |
1532 | ** value -- the value to which it should be set. If | |
1533 | ** null, this is extracted from the incoming | |
1534 | ** environment. If that is not set, the call | |
1535 | ** to setuserenv is ignored. | |
1536 | ** | |
1537 | ** Returns: | |
1538 | ** none. | |
1539 | */ | |
1540 | ||
179d940c | 1541 | void |
05b75231 | 1542 | setuserenv(envar, value) |
179d940c EA |
1543 | const char *envar; |
1544 | const char *value; | |
05b75231 EA |
1545 | { |
1546 | int i; | |
1547 | char **evp = UserEnviron; | |
14e29bd9 | 1548 | char *p; |
05b75231 EA |
1549 | |
1550 | if (value == NULL) | |
1551 | { | |
1552 | value = getenv(envar); | |
1553 | if (value == NULL) | |
1554 | return; | |
1555 | } | |
1556 | ||
1557 | i = strlen(envar); | |
14e29bd9 EA |
1558 | p = (char *) xalloc(strlen(value) + i + 2); |
1559 | strcpy(p, envar); | |
1560 | p[i++] = '='; | |
1561 | strcpy(&p[i], value); | |
05b75231 | 1562 | |
14e29bd9 | 1563 | while (*evp != NULL && strncmp(*evp, p, i) != 0) |
05b75231 EA |
1564 | evp++; |
1565 | if (*evp != NULL) | |
1566 | { | |
14e29bd9 | 1567 | *evp++ = p; |
05b75231 EA |
1568 | } |
1569 | else if (evp < &UserEnviron[MAXUSERENVIRON]) | |
1570 | { | |
14e29bd9 | 1571 | *evp++ = p; |
05b75231 EA |
1572 | *evp = NULL; |
1573 | } | |
14e29bd9 EA |
1574 | |
1575 | /* make sure it is in our environment as well */ | |
f0e50cf0 EA |
1576 | if (putenv(p) < 0) |
1577 | syserr("setuserenv: putenv(%s) failed", p); | |
05b75231 EA |
1578 | } |
1579 | \f/* | |
6e48b8f0 | 1580 | ** DUMPSTATE -- dump state |
f0b11c9b EA |
1581 | ** |
1582 | ** For debugging. | |
1583 | */ | |
1584 | ||
1585 | void | |
6e48b8f0 EA |
1586 | dumpstate(when) |
1587 | char *when; | |
f0b11c9b EA |
1588 | { |
1589 | #ifdef LOG | |
e478285e | 1590 | register char *j = macvalue('j', CurEnv); |
e478285e | 1591 | |
6e48b8f0 EA |
1592 | syslog(LOG_DEBUG, "--- dumping state on %s: $j = %s ---", |
1593 | when, | |
1594 | j == NULL ? "<NULL>" : j); | |
1595 | if (j != NULL) | |
1596 | { | |
c85d44ca | 1597 | if (!wordinclass(j, 'w')) |
6e48b8f0 EA |
1598 | syslog(LOG_DEBUG, "*** $j not in $=w ***"); |
1599 | } | |
e478285e | 1600 | syslog(LOG_DEBUG, "--- open file descriptors: ---"); |
f0b11c9b EA |
1601 | printopenfds(TRUE); |
1602 | syslog(LOG_DEBUG, "--- connection cache: ---"); | |
1603 | mci_dump_all(TRUE); | |
76b4b35d EA |
1604 | if (RewriteRules[89] != NULL) |
1605 | { | |
1606 | int stat; | |
1607 | register char **pvp; | |
1608 | char *pv[MAXATOM + 1]; | |
1609 | ||
1610 | pv[0] = NULL; | |
1611 | stat = rewrite(pv, 89, 0, CurEnv); | |
1612 | syslog(LOG_DEBUG, "--- ruleset 89 returns stat %d, pv: ---", | |
1613 | stat); | |
1614 | for (pvp = pv; *pvp != NULL; pvp++) | |
1615 | syslog(LOG_DEBUG, "%s", *pvp); | |
1616 | } | |
f0b11c9b EA |
1617 | syslog(LOG_DEBUG, "--- end of state dump ---"); |
1618 | #endif | |
1619 | } | |
6e48b8f0 EA |
1620 | |
1621 | ||
1622 | void | |
1623 | sigusr1() | |
1624 | { | |
1625 | dumpstate("user signal"); | |
1626 | } | |
8357eea5 EA |
1627 | |
1628 | ||
1629 | void | |
1630 | sighup() | |
1631 | { | |
1632 | #ifdef LOG | |
1633 | if (LogLevel > 3) | |
1634 | syslog(LOG_INFO, "restarting %s on signal", SaveArgv[0]); | |
1635 | #endif | |
782a2f97 | 1636 | execv(SaveArgv[0], (ARGV_T) SaveArgv); |
8357eea5 EA |
1637 | #ifdef LOG |
1638 | if (LogLevel > 0) | |
1639 | syslog(LOG_ALERT, "could not exec %s: %m", SaveArgv[0]); | |
1640 | #endif | |
1641 | exit(EX_OSFILE); | |
1642 | } | |
8b759318 EA |
1643 | \f/* |
1644 | ** TESTMODELINE -- process a test mode input line | |
1645 | ** | |
1646 | ** Parameters: | |
1647 | ** line -- the input line. | |
1648 | ** e -- the current environment. | |
1649 | */ | |
1650 | ||
179d940c | 1651 | void |
8b759318 EA |
1652 | testmodeline(line, e) |
1653 | char *line; | |
1654 | ENVELOPE *e; | |
1655 | { | |
1656 | register char *p; | |
1657 | char *q; | |
1658 | auto char *delimptr; | |
a644a709 EA |
1659 | int mid; |
1660 | ADDRESS a; | |
8b759318 EA |
1661 | extern bool invalidaddr(); |
1662 | extern char *crackaddr(); | |
1663 | ||
1664 | switch (line[0]) | |
1665 | { | |
1666 | case '#': | |
1667 | return; | |
1668 | ||
8b759318 EA |
1669 | case '.': /* config-style settings */ |
1670 | switch (line[1]) | |
1671 | { | |
1672 | case 'D': | |
a644a709 EA |
1673 | mid = macid(&line[2], &delimptr); |
1674 | if (mid != '\0') | |
1675 | define(mid, newstr(delimptr), e); | |
8b759318 EA |
1676 | break; |
1677 | ||
1678 | case 'C': | |
1679 | setclass(line[2], &line[3]); | |
1680 | break; | |
1681 | ||
1682 | case 'S': /* dump rule set */ | |
1683 | { | |
1684 | int rs; | |
1685 | struct rewrite *rw; | |
8b759318 EA |
1686 | STAB *s; |
1687 | ||
f0e50cf0 | 1688 | if (line[2] == '\0') |
8b759318 | 1689 | return; |
f0e50cf0 | 1690 | s = stab(&line[2], ST_RULESET, ST_FIND); |
8b759318 EA |
1691 | if (s == NULL) |
1692 | { | |
1693 | if (!isdigit(line[2])) | |
1694 | return; | |
1695 | rs = atoi(line+2); | |
1696 | } | |
1697 | else | |
1698 | rs = s->s_ruleset; | |
1699 | if (rs < 0 || rs > MAXRWSETS) | |
1700 | return; | |
1701 | if ((rw = RewriteRules[rs]) == NULL) | |
1702 | return; | |
1703 | do | |
1704 | { | |
1705 | char **s; | |
1706 | putchar('R'); | |
1707 | s = rw->r_lhs; | |
1708 | while (*s != NULL) | |
1709 | { | |
1710 | xputs(*s++); | |
1711 | putchar(' '); | |
1712 | } | |
1713 | putchar('\t'); | |
1714 | putchar('\t'); | |
1715 | s = rw->r_rhs; | |
1716 | while (*s != NULL) | |
1717 | { | |
1718 | xputs(*s++); | |
1719 | putchar(' '); | |
1720 | } | |
1721 | putchar('\n'); | |
1722 | } while (rw = rw->r_next); | |
1723 | } | |
1724 | break; | |
1725 | ||
1726 | default: | |
1727 | printf("Unknown config command %s", line); | |
1728 | break; | |
1729 | } | |
1730 | return; | |
1731 | ||
1732 | case '-': /* set command-line-like opts */ | |
1733 | switch (line[1]) | |
1734 | { | |
1735 | case 'd': | |
f0e50cf0 | 1736 | tTflag(&line[2]); |
8b759318 EA |
1737 | break; |
1738 | ||
1739 | default: | |
1740 | printf("Unknown \"-\" command %s", line); | |
1741 | break; | |
1742 | } | |
1743 | return; | |
1744 | ||
a644a709 EA |
1745 | case '$': |
1746 | mid = macid(&line[1], NULL); | |
1747 | if (mid == '\0') | |
1748 | return; | |
1749 | p = macvalue(mid, e); | |
1750 | if (p == NULL) | |
1751 | printf("Undefined\n"); | |
1752 | else | |
1753 | { | |
1754 | xputs(p); | |
1755 | printf("\n"); | |
1756 | } | |
1757 | return; | |
1758 | ||
8b759318 | 1759 | case '/': /* miscellaneous commands */ |
f0e50cf0 EA |
1760 | p = &line[strlen(line)]; |
1761 | while (--p >= line && isascii(*p) && isspace(*p)) | |
1762 | *p = '\0'; | |
8b759318 EA |
1763 | p = strpbrk(line, " \t"); |
1764 | if (p != NULL) | |
1765 | { | |
1766 | while (isascii(*p) && isspace(*p)) | |
1767 | *p++ = '\0'; | |
1768 | } | |
1769 | else | |
1770 | p = ""; | |
1771 | if (strcasecmp(&line[1], "mx") == 0) | |
1772 | { | |
c291e9af | 1773 | #if NAMED_BIND |
8b759318 EA |
1774 | /* look up MX records */ |
1775 | int nmx; | |
1776 | int i; | |
1777 | auto int rcode; | |
1778 | char *mxhosts[MAXMXHOSTS + 1]; | |
1779 | ||
1780 | nmx = getmxrr(p, mxhosts, FALSE, &rcode); | |
0994a012 | 1781 | printf("getmxrr(%s) returns %d value(s):\n", p, nmx); |
8b759318 EA |
1782 | for (i = 0; i < nmx; i++) |
1783 | printf("\t%s\n", mxhosts[i]); | |
c291e9af EA |
1784 | #else |
1785 | printf("No MX code compiled in\n"); | |
1786 | #endif | |
8b759318 | 1787 | } |
a644a709 EA |
1788 | else if (strcasecmp(&line[1], "try") == 0) |
1789 | { | |
1790 | q = crackaddr(p); | |
1791 | printf("Cracked address = "); | |
1792 | xputs(q); | |
1793 | printf("\n"); | |
1794 | if (parseaddr(p, &a, RF_COPYNONE, '\0', NULL, e) == NULL) | |
1795 | printf("Cannot parse\n"); | |
1796 | else if (a.q_host != NULL && a.q_host[0] != '\0') | |
1797 | printf("mailer %s, host %s, user %s\n", | |
1798 | a.q_mailer->m_name, a.q_host, a.q_user); | |
1799 | else | |
1800 | printf("mailer %s, user %s\n", | |
1801 | a.q_mailer->m_name, a.q_user); | |
1802 | } | |
8b759318 EA |
1803 | else |
1804 | { | |
1805 | printf("Unknown test command %s\n", line); | |
1806 | } | |
1807 | return; | |
1808 | } | |
1809 | ||
1810 | for (p = line; isascii(*p) && isspace(*p); p++) | |
1811 | continue; | |
1812 | q = p; | |
1813 | while (*p != '\0' && !(isascii(*p) && isspace(*p))) | |
1814 | p++; | |
1815 | if (*p == '\0') | |
1816 | { | |
1817 | printf("No address!\n"); | |
1818 | return; | |
1819 | } | |
1820 | *p = '\0'; | |
1821 | if (invalidaddr(p + 1, NULL)) | |
1822 | return; | |
1823 | do | |
1824 | { | |
1825 | register char **pvp; | |
1826 | char pvpbuf[PSBUFSIZE]; | |
1827 | ||
1828 | pvp = prescan(++p, ',', pvpbuf, sizeof pvpbuf, | |
1829 | &delimptr, NULL); | |
1830 | if (pvp == NULL) | |
1831 | continue; | |
1832 | p = q; | |
1833 | while (*p != '\0') | |
1834 | { | |
1835 | int stat; | |
1836 | ||
1837 | stat = rewrite(pvp, atoi(p), 0, e); | |
1838 | if (stat != EX_OK) | |
1839 | printf("== Ruleset %s status %d\n", | |
1840 | p, stat); | |
1841 | while (*p != '\0' && *p++ != ',') | |
1842 | continue; | |
1843 | } | |
1844 | } while (*(p = delimptr) != '\0'); | |
1845 | } |