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aeb2545d | 1 | /* |
dc45ba8c | 2 | * Copyright (c) 1983 Eric P. Allman |
bee79b64 KB |
3 | * Copyright (c) 1988 Regents of the University of California. |
4 | * All rights reserved. | |
5 | * | |
417f7a11 | 6 | * %sccs.include.redist.c% |
bee79b64 | 7 | * |
4f163ea3 | 8 | * @(#)sendmail.h 6.51 (Berkeley) %G% |
bee79b64 | 9 | */ |
aeb2545d | 10 | |
b3cbe40f | 11 | /* |
96faada8 | 12 | ** SENDMAIL.H -- Global definitions for sendmail. |
b3cbe40f EA |
13 | */ |
14 | ||
327272f5 EA |
15 | # ifdef _DEFINE |
16 | # define EXTERN | |
4e5e456f | 17 | # ifndef lint |
4f163ea3 | 18 | static char SmailSccsId[] = "@(#)sendmail.h 6.51 %G%"; |
6353954f | 19 | # endif |
f3d8f6d6 | 20 | # else /* _DEFINE */ |
327272f5 | 21 | # define EXTERN extern |
f3d8f6d6 | 22 | # endif /* _DEFINE */ |
b3cbe40f | 23 | |
9dfbef75 | 24 | # include <unistd.h> |
f3d8f6d6 EA |
25 | # include <stddef.h> |
26 | # include <stdlib.h> | |
aeb209da EA |
27 | # include <stdio.h> |
28 | # include <ctype.h> | |
37eaaadb | 29 | # include <setjmp.h> |
e234fcd9 | 30 | # include <sysexits.h> |
f3d8f6d6 EA |
31 | # include <string.h> |
32 | # include <time.h> | |
33 | # include <errno.h> | |
34 | ||
b5fd168f | 35 | # include "conf.h" |
6bf17095 | 36 | # include "conf.h" |
cb590f52 EA |
37 | # include "useful.h" |
38 | ||
9678c96d | 39 | # ifdef LOG |
5031c0bb | 40 | # include <syslog.h> |
f3d8f6d6 | 41 | # endif /* LOG */ |
6e8a8adf | 42 | |
2e3062fe | 43 | # ifdef DAEMON |
2e3062fe | 44 | # include <sys/socket.h> |
3356c77c EA |
45 | # endif |
46 | # ifdef NETINET | |
2e3062fe | 47 | # include <netinet/in.h> |
3356c77c EA |
48 | # endif |
49 | # ifdef NETISO | |
50 | # include <netiso/iso.h> | |
51 | # endif | |
88e65f7c EA |
52 | # ifdef NETNS |
53 | # include <netns/ns.h> | |
54 | # endif | |
55 | # ifdef NETX25 | |
56 | # include <netccitt/x25.h> | |
57 | # endif | |
2e3062fe | 58 | |
6e8a8adf | 59 | |
a584db60 EA |
60 | |
61 | ||
6e8a8adf EA |
62 | /* |
63 | ** Data structure for bit maps. | |
64 | ** | |
65 | ** Each bit in this map can be referenced by an ascii character. | |
66 | ** This is 128 possible bits, or 12 8-bit bytes. | |
67 | */ | |
68 | ||
69 | #define BITMAPBYTES 16 /* number of bytes in a bit map */ | |
70 | #define BYTEBITS 8 /* number of bits in a byte */ | |
71 | ||
72 | /* internal macros */ | |
73 | #define _BITWORD(bit) (bit / (BYTEBITS * sizeof (int))) | |
74 | #define _BITBIT(bit) (1 << (bit % (BYTEBITS * sizeof (int)))) | |
75 | ||
76 | typedef int BITMAP[BITMAPBYTES / sizeof (int)]; | |
77 | ||
78 | /* test bit number N */ | |
79 | #define bitnset(bit, map) ((map)[_BITWORD(bit)] & _BITBIT(bit)) | |
80 | ||
81 | /* set bit number N */ | |
82 | #define setbitn(bit, map) (map)[_BITWORD(bit)] |= _BITBIT(bit) | |
83 | ||
84 | /* clear bit number N */ | |
85 | #define clrbitn(bit, map) (map)[_BITWORD(bit)] &= ~_BITBIT(bit) | |
86 | ||
87 | /* clear an entire bit map */ | |
cca7676f | 88 | #define clrbitmap(map) bzero((char *) map, BITMAPBYTES) |
281f3387 | 89 | \f/* |
9e3c0a28 EA |
90 | ** Address structure. |
91 | ** Addresses are stored internally in this structure. | |
abae7b2d EA |
92 | ** |
93 | ** Each address is on two chains and in one tree. | |
94 | ** The q_next chain is used to link together addresses | |
95 | ** for one mailer (and is rooted in a mailer). | |
96 | ** The q_chain chain is used to maintain a list of | |
97 | ** addresses originating from one call to sendto, and | |
98 | ** is used primarily for printing messages. | |
99 | ** The q_alias, q_sibling, and q_child tree maintains | |
100 | ** a complete tree of the aliases. q_alias points to | |
101 | ** the parent -- obviously, there can be several, and | |
102 | ** so this points to "one" of them. Ditto for q_sibling. | |
9e3c0a28 EA |
103 | */ |
104 | ||
105 | struct address | |
106 | { | |
107 | char *q_paddr; /* the printname for the address */ | |
108 | char *q_user; /* user name */ | |
3fbc69d6 | 109 | char *q_ruser; /* real user name, or NULL if q_user */ |
9e3c0a28 | 110 | char *q_host; /* host name */ |
179c1218 | 111 | struct mailer *q_mailer; /* mailer to use */ |
b2e9d033 | 112 | u_short q_flags; /* status flags, see below */ |
0c9a26a7 EA |
113 | uid_t q_uid; /* user-id of receiver (if known) */ |
114 | gid_t q_gid; /* group-id of receiver (if known) */ | |
4bb4503e | 115 | char *q_home; /* home dir (local mailer only) */ |
f77d50ee | 116 | char *q_fullname; /* full name if known */ |
abae7b2d | 117 | char *q_fullname; /* full name of this person */ |
ed45aae1 | 118 | time_t q_timeout; /* timeout for this address */ |
abae7b2d EA |
119 | struct address *q_next; /* chain */ |
120 | struct address *q_alias; /* parent in alias tree */ | |
121 | struct address *q_sibling; /* sibling in alias tree */ | |
122 | struct address *q_child; /* child in alias tree */ | |
9e3c0a28 EA |
123 | }; |
124 | ||
125 | typedef struct address ADDRESS; | |
126 | ||
127 | # define QDONTSEND 000001 /* don't send to this address */ | |
1ef61b9f | 128 | # define QBADADDR 000002 /* this address is verified bad */ |
2c1457f0 | 129 | # define QGOODUID 000004 /* the q_uid q_gid fields are good */ |
92f12b98 | 130 | # define QPRIMARY 000010 /* set from argv */ |
ed45aae1 | 131 | # define QQUEUEUP 000020 /* queue for later transmission */ |
8dcff118 | 132 | # define QSENT 000040 /* has been successfully delivered */ |
51966dba | 133 | # define QNOTREMOTE 000100 /* not an address for remote forwarding */ |
e47d965e | 134 | # define QSELFREF 000200 /* this address references itself */ |
8bcce465 | 135 | # define QVERIFIED 000400 /* verified, but not expanded */ |
abae7b2d | 136 | # define QPSEUDO 000040 /* only on the list for verification */ |
2654b031 | 137 | \f/* |
b3cbe40f EA |
138 | ** Mailer definition structure. |
139 | ** Every mailer known to the system is declared in this | |
140 | ** structure. It defines the pathname of the mailer, some | |
141 | ** flags associated with it, and the argument vector to | |
cb590f52 | 142 | ** pass to it. The flags are defined in conf.c |
b3cbe40f | 143 | ** |
b8944683 EA |
144 | ** The argument vector is expanded before actual use. All |
145 | ** words except the first are passed through the macro | |
146 | ** processor. | |
b3cbe40f EA |
147 | */ |
148 | ||
149 | struct mailer | |
150 | { | |
d6a28dd8 | 151 | char *m_name; /* symbolic name of this mailer */ |
9e3c0a28 | 152 | char *m_mailer; /* pathname of the mailer to use */ |
6e8a8adf | 153 | BITMAP m_flags; /* status flags, see below */ |
b14547d5 | 154 | short m_mno; /* mailer number internally */ |
6708a5e3 | 155 | char **m_argv; /* template argument vector */ |
5f2e67fb EA |
156 | short m_sh_rwset; /* rewrite set: sender header addresses */ |
157 | short m_se_rwset; /* rewrite set: sender envelope addresses */ | |
158 | short m_rh_rwset; /* rewrite set: recipient header addresses */ | |
159 | short m_re_rwset; /* rewrite set: recipient envelope addresses */ | |
b3ef02a2 | 160 | char *m_eol; /* end of line string */ |
6e8a8adf | 161 | long m_maxsize; /* size limit on message to this mailer */ |
8657d05f | 162 | int m_linelimit; /* max # characters per line */ |
a9d54f84 | 163 | char *m_execdir; /* directory to chdir to before execv */ |
b3cbe40f EA |
164 | }; |
165 | ||
cdb17311 EA |
166 | typedef struct mailer MAILER; |
167 | ||
5fbf3fea | 168 | /* bits for m_flags */ |
4f163ea3 | 169 | # define M_ESMTP 'a' /* run Extended SMTP protocol */ |
e0b72c68 | 170 | # define M_NOCOMMENT 'c' /* don't include comment part of address */ |
55c35014 | 171 | # define M_CANONICAL 'C' /* make addresses canonical "u@dom" */ |
e0b72c68 | 172 | /* 'D' /* CF: include Date: */ |
55c35014 EA |
173 | # define M_EXPENSIVE 'e' /* it costs to use this mailer.... */ |
174 | # define M_ESCFROM 'E' /* escape From lines to >From */ | |
6e8a8adf | 175 | # define M_FOPT 'f' /* mailer takes picky -f flag */ |
e0b72c68 | 176 | /* 'F' /* CF: include From: or Resent-From: */ |
55c35014 | 177 | # define M_HST_UPPER 'h' /* preserve host case distinction */ |
e0b72c68 | 178 | /* 'H' /* UIUC: MAIL11V3: preview headers */ |
55c35014 | 179 | # define M_INTERNAL 'I' /* SMTP to another sendmail site */ |
2ebcc9e9 | 180 | # define M_LOCALMAILER 'l' /* delivery is to this host */ |
55c35014 | 181 | # define M_LIMITS 'L' /* must enforce SMTP line limits */ |
6e8a8adf | 182 | # define M_MUSER 'm' /* can handle multiple users at once */ |
e0b72c68 | 183 | /* 'M' /* CF: include Message-Id: */ |
55c35014 | 184 | # define M_NHDR 'n' /* don't insert From line */ |
e0b72c68 | 185 | /* 'N' /* UIUC: MAIL11V3: DATA returns multi-status */ |
55c35014 | 186 | # define M_FROMPATH 'p' /* use reverse-path in MAIL FROM: */ |
e0b72c68 | 187 | /* 'P' /* CF: include Return-Path: */ |
55c35014 | 188 | # define M_ROPT 'r' /* mailer takes picky -r flag */ |
a4f165f5 | 189 | # define M_SECURE_PORT 'R' /* try to send on a reserved TCP port */ |
55c35014 EA |
190 | # define M_STRIPQ 's' /* strip quote chars from user/host */ |
191 | # define M_RESTR 'S' /* must be daemon to execute */ | |
6e8a8adf | 192 | # define M_USR_UPPER 'u' /* preserve user case distinction */ |
6e8a8adf | 193 | # define M_UGLYUUCP 'U' /* this wants an ugly UUCP from line */ |
e0b72c68 | 194 | /* 'V' /* UIUC: !-relativize all addresses */ |
4f163ea3 | 195 | /* 'x' /* CF: include Full-Name: */ |
6e8a8adf | 196 | # define M_XDOT 'X' /* use hidden-dot algorithm */ |
8657d05f | 197 | # define M_7BITS '7' /* use 7-bit path */ |
1a12c7d6 | 198 | |
179c1218 | 199 | EXTERN MAILER *Mailer[MAXMAILERS+1]; |
4bb4503e | 200 | |
179c1218 EA |
201 | EXTERN MAILER *LocalMailer; /* ptr to local mailer */ |
202 | EXTERN MAILER *ProgMailer; /* ptr to program mailer */ | |
38817acb EA |
203 | EXTERN MAILER *FileMailer; /* ptr to *file* mailer */ |
204 | EXTERN MAILER *InclMailer; /* ptr to *include* mailer */ | |
2654b031 | 205 | \f/* |
1a12c7d6 EA |
206 | ** Header structure. |
207 | ** This structure is used internally to store header items. | |
208 | */ | |
209 | ||
210 | struct header | |
211 | { | |
212 | char *h_field; /* the name of the field */ | |
213 | char *h_value; /* the value of that field */ | |
214 | struct header *h_link; /* the next header */ | |
b2e9d033 | 215 | u_short h_flags; /* status bits, see below */ |
6e8a8adf | 216 | BITMAP h_mflags; /* m_flags bits needed */ |
1a12c7d6 EA |
217 | }; |
218 | ||
219 | typedef struct header HDR; | |
220 | ||
1a12c7d6 EA |
221 | /* |
222 | ** Header information structure. | |
223 | ** Defined in conf.c, this struct declares the header fields | |
224 | ** that have some magic meaning. | |
225 | */ | |
226 | ||
227 | struct hdrinfo | |
228 | { | |
229 | char *hi_field; /* the name of the field */ | |
b2e9d033 | 230 | u_short hi_flags; /* status bits, see below */ |
1a12c7d6 EA |
231 | }; |
232 | ||
233 | extern struct hdrinfo HdrInfo[]; | |
234 | ||
235 | /* bits for h_flags and hi_flags */ | |
355a2a04 | 236 | # define H_EOH 00001 /* this field terminates header */ |
028b97f3 | 237 | # define H_RCPT 00002 /* contains recipient addresses */ |
1a12c7d6 | 238 | # define H_DEFAULT 00004 /* if another value is found, drop this */ |
a90807d8 | 239 | # define H_RESENT 00010 /* this address is a "Resent-..." address */ |
2f0c5bd8 | 240 | # define H_CHECK 00020 /* check h_mflags against m_flags */ |
a9e0e597 | 241 | # define H_ACHECK 00040 /* ditto, but always (not just default) */ |
b2e9d033 | 242 | # define H_FORCE 00100 /* force this field, even if default */ |
17232873 | 243 | # define H_TRACE 00200 /* this field contains trace information */ |
91f868d8 | 244 | # define H_FROM 00400 /* this is a from-type field */ |
f5a42e44 | 245 | # define H_VALID 01000 /* this field has a validated value */ |
453139c0 EA |
246 | # define H_RECEIPTTO 02000 /* this field has return receipt info */ |
247 | # define H_ERRORSTO 04000 /* this field has error address info */ | |
2654b031 EA |
248 | \f/* |
249 | ** Envelope structure. | |
250 | ** This structure defines the message itself. There is usually | |
251 | ** only one of these -- for the message that we originally read | |
252 | ** and which is our primary interest -- but other envelopes can | |
253 | ** be generated during processing. For example, error messages | |
254 | ** will have their own envelope. | |
255 | */ | |
1a12c7d6 | 256 | |
b543d6fa EA |
257 | # define ENVELOPE struct envelope |
258 | ||
259 | ENVELOPE | |
2654b031 | 260 | { |
dd1fe05b EA |
261 | HDR *e_header; /* head of header list */ |
262 | long e_msgpriority; /* adjusted priority of this message */ | |
96476cab | 263 | time_t e_ctime; /* time message appeared in the queue */ |
dd1fe05b | 264 | char *e_to; /* the target person */ |
17232873 | 265 | char *e_receiptto; /* return receipt address */ |
dd1fe05b | 266 | ADDRESS e_from; /* the person it is from */ |
547f2e0e | 267 | char *e_sender; /* e_from.q_paddr w comments stripped */ |
857afefe | 268 | char **e_fromdomain; /* the domain part of the sender */ |
1bcdf0a2 | 269 | ADDRESS *e_returnto; /* place to return the message to */ |
dd1fe05b | 270 | ADDRESS *e_sendqueue; /* list of message recipients */ |
3c7fe765 | 271 | ADDRESS *e_errorqueue; /* the queue for error responses */ |
dd1fe05b | 272 | long e_msgsize; /* size of the message in bytes */ |
2e3062fe | 273 | int e_nrcpts; /* number of recipients */ |
dd1fe05b | 274 | short e_class; /* msg class (priority, junk, etc.) */ |
e6f08ab1 | 275 | short e_flags; /* flags, see below */ |
7338e3d4 | 276 | short e_hopcount; /* number of times processed */ |
9f27c6a8 | 277 | short e_nsent; /* number of sends since checkpoint */ |
8c8e8e94 EA |
278 | short e_sendmode; /* message send mode */ |
279 | short e_errormode; /* error return mode */ | |
b543d6fa EA |
280 | int (*e_puthdr)__P((FILE *, MAILER *, ENVELOPE *)); |
281 | /* function to put header of message */ | |
282 | int (*e_putbody)__P((FILE *, MAILER *, ENVELOPE *)); | |
283 | /* function to put body of message */ | |
dd1fe05b | 284 | struct envelope *e_parent; /* the message this one encloses */ |
e6f08ab1 | 285 | struct envelope *e_sibling; /* the next envelope of interest */ |
60eebb0d | 286 | char *e_bodytype; /* type of message body */ |
dd1fe05b | 287 | char *e_df; /* location of temp file */ |
912acb74 | 288 | FILE *e_dfp; /* temporary file */ |
2cce0c26 | 289 | char *e_id; /* code for this entry in queue */ |
912acb74 | 290 | FILE *e_xfp; /* transcript file */ |
3620ad97 | 291 | FILE *e_lockfp; /* the lock file for this message */ |
553e463f | 292 | FILE *e_qfp; /* queue control file */ |
1369934e | 293 | char *e_message; /* error message */ |
86575ebf | 294 | char *e_statmsg; /* stat msg (changes per delivery) */ |
dd1fe05b | 295 | char *e_macro[128]; /* macro definitions */ |
2654b031 | 296 | }; |
1a12c7d6 | 297 | |
e6f08ab1 EA |
298 | /* values for e_flags */ |
299 | #define EF_OLDSTYLE 000001 /* use spaces (not commas) in hdrs */ | |
300 | #define EF_INQUEUE 000002 /* this message is fully queued */ | |
301 | #define EF_TIMEOUT 000004 /* this message is too old */ | |
302 | #define EF_CLRQUEUE 000010 /* disk copy is no longer needed */ | |
303 | #define EF_SENDRECEIPT 000020 /* send a return receipt */ | |
304 | #define EF_FATALERRS 000040 /* fatal errors occured */ | |
305 | #define EF_KEEPQUEUE 000100 /* keep queue files always */ | |
7338e3d4 | 306 | #define EF_RESPONSE 000200 /* this is an error or return receipt */ |
a90807d8 | 307 | #define EF_RESENT 000400 /* this message is being forwarded */ |
71804bbd | 308 | #define EF_VRFYONLY 001000 /* verify only (don't expand aliases) */ |
c2bdb1dd EA |
309 | #define EF_WARNING 002000 /* warning message has been sent */ |
310 | #define EF_QUEUERUN 004000 /* this envelope is from queue */ | |
e6f08ab1 | 311 | |
2654b031 EA |
312 | EXTERN ENVELOPE *CurEnv; /* envelope currently being processed */ |
313 | \f/* | |
505aaba0 | 314 | ** Message priority classes. |
9ccf54c4 | 315 | ** |
505aaba0 EA |
316 | ** The message class is read directly from the Priority: header |
317 | ** field in the message. | |
df74deb0 | 318 | ** |
505aaba0 EA |
319 | ** CurEnv->e_msgpriority is the number of bytes in the message plus |
320 | ** the creation time (so that jobs ``tend'' to be ordered correctly), | |
321 | ** adjusted by the message class, the number of recipients, and the | |
322 | ** amount of time the message has been sitting around. This number | |
323 | ** is used to order the queue. Higher values mean LOWER priority. | |
324 | ** | |
325 | ** Each priority class point is worth WkClassFact priority points; | |
326 | ** each recipient is worth WkRecipFact priority points. Each time | |
327 | ** we reprocess a message the priority is adjusted by WkTimeFact. | |
328 | ** WkTimeFact should normally decrease the priority so that jobs | |
329 | ** that have historically failed will be run later; thanks go to | |
330 | ** Jay Lepreau at Utah for pointing out the error in my thinking. | |
ee32daaf | 331 | ** |
df74deb0 EA |
332 | ** The "class" is this number, unadjusted by the age or size of |
333 | ** this message. Classes with negative representations will have | |
334 | ** error messages thrown away if they are not local. | |
ed45aae1 EA |
335 | */ |
336 | ||
a444c81b EA |
337 | struct priority |
338 | { | |
339 | char *pri_name; /* external name of priority */ | |
340 | int pri_val; /* internal value for same */ | |
341 | }; | |
342 | ||
343 | EXTERN struct priority Priorities[MAXPRIORITIES]; | |
344 | EXTERN int NumPriorities; /* pointer into Priorities */ | |
2654b031 | 345 | \f/* |
d6a28dd8 EA |
346 | ** Rewrite rules. |
347 | */ | |
348 | ||
349 | struct rewrite | |
350 | { | |
351 | char **r_lhs; /* pattern match */ | |
352 | char **r_rhs; /* substitution value */ | |
353 | struct rewrite *r_next;/* next in chain */ | |
354 | }; | |
355 | ||
792a6b53 | 356 | EXTERN struct rewrite *RewriteRules[MAXRWSETS]; |
d6a28dd8 | 357 | |
792a6b53 EA |
358 | /* |
359 | ** Special characters in rewriting rules. | |
360 | ** These are used internally only. | |
361 | ** The COND* rules are actually used in macros rather than in | |
362 | ** rewriting rules, but are given here because they | |
363 | ** cannot conflict. | |
364 | */ | |
365 | ||
366 | /* left hand side items */ | |
2bee003d EA |
367 | # define MATCHZANY 0220 /* match zero or more tokens */ |
368 | # define MATCHANY 0221 /* match one or more tokens */ | |
369 | # define MATCHONE 0222 /* match exactly one token */ | |
370 | # define MATCHCLASS 0223 /* match one token in a class */ | |
371 | # define MATCHNCLASS 0224 /* match anything not in class */ | |
372 | # define MATCHREPL 0225 /* replacement on RHS for above */ | |
41173b8f EA |
373 | # define MATCHLOOKUP '\035' /* look up and replace a sequence */ |
374 | # define MATCHELOOKUP '\036' /* end of the sequence */ | |
d6a28dd8 | 375 | |
792a6b53 | 376 | /* right hand side items */ |
2bee003d EA |
377 | # define CANONNET 0226 /* canonical net, next token */ |
378 | # define CANONHOST 0227 /* canonical host, next token */ | |
379 | # define CANONUSER 0230 /* canonical user, next N tokens */ | |
380 | # define CALLSUBR 0231 /* call another rewriting set */ | |
d6a28dd8 | 381 | |
792a6b53 | 382 | /* conditionals in macros */ |
2bee003d EA |
383 | # define CONDIF 0232 /* conditional if-then */ |
384 | # define CONDELSE 0233 /* conditional else */ | |
385 | # define CONDFI 0234 /* conditional fi */ | |
a73ae8ac | 386 | |
58862a24 | 387 | /* bracket characters for host name lookup */ |
2bee003d EA |
388 | # define HOSTBEGIN 0235 /* hostname lookup begin */ |
389 | # define HOSTEND 0236 /* hostname lookup end */ | |
58862a24 | 390 | |
42fa5d67 | 391 | /* bracket characters for generalized lookup */ |
2bee003d EA |
392 | # define LOOKUPBEGIN 0205 /* generalized lookup begin */ |
393 | # define LOOKUPEND 0206 /* generalized lookup end */ | |
42fa5d67 | 394 | |
2bee003d EA |
395 | /* macro substitution character */ |
396 | # define MACROEXPAND 0201 /* macro expansion */ | |
34e7a9e4 | 397 | # define MACRODEXPAND 0202 /* deferred macro expansion */ |
e45dcea5 | 398 | |
7703d47a EA |
399 | /* to make the code clearer */ |
400 | # define MATCHZERO CANONHOST | |
401 | ||
e45dcea5 EA |
402 | /* external <==> internal mapping table */ |
403 | struct metamac | |
404 | { | |
405 | char metaname; /* external code (after $) */ | |
406 | char metaval; /* internal code (as above) */ | |
407 | }; | |
2654b031 | 408 | \f/* |
2ae0e0ed EA |
409 | ** Information about currently open connections to mailers, or to |
410 | ** hosts that we have looked up recently. | |
2e3062fe EA |
411 | */ |
412 | ||
f2e44ded | 413 | # define MCI struct mailer_con_info |
2e3062fe | 414 | |
f2e44ded | 415 | MCI |
2e3062fe | 416 | { |
2ae0e0ed EA |
417 | short mci_flags; /* flag bits, see below */ |
418 | short mci_errno; /* error number on last connection */ | |
419 | short mci_exitstat; /* exit status from last connection */ | |
4e20c4d2 | 420 | short mci_state; /* SMTP state */ |
a979db86 EA |
421 | short mci_options; /* ESMTP options */ |
422 | long mci_maxsize; /* max size this server will accept */ | |
2ae0e0ed EA |
423 | FILE *mci_in; /* input side of connection */ |
424 | FILE *mci_out; /* output side of connection */ | |
425 | int mci_pid; /* process id of subordinate proc */ | |
e62e1144 EA |
426 | char *mci_phase; /* SMTP phase string */ |
427 | struct mailer *mci_mailer; /* ptr to the mailer for this conn */ | |
4e20c4d2 | 428 | char *mci_host; /* host name */ |
e62e1144 | 429 | time_t mci_lastuse; /* last usage time */ |
2e3062fe EA |
430 | }; |
431 | ||
432 | ||
433 | /* flag bits */ | |
2ae0e0ed | 434 | #define MCIF_VALID 00001 /* this entry is valid */ |
06771186 | 435 | #define MCIF_TEMP 00002 /* don't cache this connection */ |
f2e44ded | 436 | #define MCIF_CACHED 00004 /* currently in open cache */ |
06771186 EA |
437 | |
438 | /* states */ | |
439 | #define MCIS_CLOSED 0 /* no traffic on this connection */ | |
e62e1144 EA |
440 | #define MCIS_OPENING 1 /* sending initial protocol */ |
441 | #define MCIS_OPEN 2 /* open, initial protocol sent */ | |
442 | #define MCIS_ACTIVE 3 /* message being sent */ | |
f2e44ded EA |
443 | #define MCIS_QUITING 4 /* running quit protocol */ |
444 | #define MCIS_SSD 5 /* service shutting down */ | |
445 | #define MCIS_ERROR 6 /* I/O error on connection */ | |
a979db86 EA |
446 | |
447 | /* options bits */ | |
4f163ea3 EA |
448 | #define MCIO_ESMTP 0x0001 /* this host speaks ESMTP */ |
449 | #define MCIO_EXPN 0x0002 /* EXPN command supported */ | |
450 | #define MCIO_SIZE 0x0004 /* SIZE option supported */ | |
451 | #define MCIO_8BITMIME 0x0008 /* BODY=8BITMIME supported */ | |
2e3062fe | 452 | \f/* |
42fa5d67 EA |
453 | ** Mapping functions |
454 | ** | |
455 | ** These allow arbitrary mappings in the config file. The idea | |
456 | ** (albeit not the implementation) comes from IDA sendmail. | |
457 | */ | |
458 | ||
42fa5d67 | 459 | # define MAPCLASS struct _mapclass |
b543d6fa | 460 | # define MAP struct _map |
42fa5d67 EA |
461 | |
462 | ||
463 | /* | |
464 | ** An actual map. | |
465 | */ | |
466 | ||
42fa5d67 EA |
467 | MAP |
468 | { | |
469 | MAPCLASS *map_class; /* the class of this map */ | |
470 | int map_flags; /* flags, see below */ | |
471 | char *map_file; /* the (nominal) filename */ | |
5a4c03c6 | 472 | void *map_db; /* the open database ptr */ |
32fd13db | 473 | char *map_app; /* to append to successful matches */ |
33844dcf | 474 | char *map_domain; /* the (nominal) NIS domain */ |
9d3eed3f | 475 | char *map_rebuild; /* program to run to do auto-rebuild */ |
b543d6fa | 476 | char **map_deplist; /* dependency list */ |
42fa5d67 EA |
477 | }; |
478 | ||
479 | /* bit values for map_flags */ | |
480 | # define MF_VALID 00001 /* this entry is valid */ | |
5a4c03c6 | 481 | # define MF_INCLNULL 00002 /* include null byte in key */ |
32fd13db | 482 | # define MF_OPTIONAL 00004 /* don't complain if map not found */ |
5dac3bbf | 483 | # define MF_NOFOLDCASE 00010 /* don't fold case in keys */ |
33844dcf | 484 | # define MF_MATCHONLY 00020 /* don't use the map value */ |
b543d6fa EA |
485 | |
486 | ||
487 | /* | |
488 | ** The class of a map -- essentially the functions to call | |
489 | */ | |
490 | ||
491 | MAPCLASS | |
492 | { | |
493 | bool (*map_init)__P((MAP *, char *, char *)); | |
494 | /* initialization function */ | |
495 | char *(*map_lookup)__P((MAP *, char *, int, char **, int *)); | |
496 | /* lookup function */ | |
497 | }; | |
42fa5d67 | 498 | \f/* |
4d3a97d9 EA |
499 | ** Symbol table definitions |
500 | */ | |
501 | ||
502 | struct symtab | |
503 | { | |
504 | char *s_name; /* name to be entered */ | |
cdb17311 | 505 | char s_type; /* general type (see below) */ |
4d3a97d9 | 506 | struct symtab *s_next; /* pointer to next in chain */ |
cdb17311 EA |
507 | union |
508 | { | |
2e3062fe EA |
509 | BITMAP sv_class; /* bit-map of word classes */ |
510 | ADDRESS *sv_addr; /* pointer to address header */ | |
511 | MAILER *sv_mailer; /* pointer to mailer */ | |
512 | char *sv_alias; /* alias */ | |
42fa5d67 EA |
513 | MAPCLASS sv_mapclass; /* mapping function class */ |
514 | MAP sv_map; /* mapping function */ | |
ae21f7bc | 515 | char *sv_hostsig; /* host signature */ |
f2e44ded | 516 | MCI sv_mci; /* mailer connection info */ |
cdb17311 | 517 | } s_value; |
4d3a97d9 EA |
518 | }; |
519 | ||
520 | typedef struct symtab STAB; | |
521 | ||
cdb17311 EA |
522 | /* symbol types */ |
523 | # define ST_UNDEF 0 /* undefined type */ | |
524 | # define ST_CLASS 1 /* class map */ | |
525 | # define ST_ADDRESS 2 /* an address in parsed format */ | |
526 | # define ST_MAILER 3 /* a mailer header */ | |
527 | # define ST_ALIAS 4 /* an alias */ | |
e62e1144 EA |
528 | # define ST_MAPCLASS 5 /* mapping function class */ |
529 | # define ST_MAP 6 /* mapping function */ | |
ae21f7bc | 530 | # define ST_HOSTSIG 7 /* host signature */ |
f2e44ded | 531 | # define ST_MCI 16 /* mailer connection info (offset) */ |
cdb17311 EA |
532 | |
533 | # define s_class s_value.sv_class | |
14a39063 | 534 | # define s_address s_value.sv_addr |
cdb17311 EA |
535 | # define s_mailer s_value.sv_mailer |
536 | # define s_alias s_value.sv_alias | |
2ae0e0ed | 537 | # define s_mci s_value.sv_mci |
cdb17311 | 538 | |
4d3a97d9 EA |
539 | extern STAB *stab(); |
540 | ||
541 | /* opcodes to stab */ | |
542 | # define ST_FIND 0 /* find entry */ | |
543 | # define ST_ENTER 1 /* enter if not there */ | |
2654b031 | 544 | \f/* |
2439b900 EA |
545 | ** STRUCT EVENT -- event queue. |
546 | ** | |
547 | ** Maintained in sorted order. | |
f5d25d7b EA |
548 | ** |
549 | ** We store the pid of the process that set this event to insure | |
550 | ** that when we fork we will not take events intended for the parent. | |
2439b900 EA |
551 | */ |
552 | ||
553 | struct event | |
554 | { | |
555 | time_t ev_time; /* time of the function call */ | |
b543d6fa EA |
556 | int (*ev_func)__P((int)); |
557 | /* function to call */ | |
2439b900 | 558 | int ev_arg; /* argument to ev_func */ |
f5d25d7b | 559 | int ev_pid; /* pid that set this event */ |
2439b900 EA |
560 | struct event *ev_link; /* link to next item */ |
561 | }; | |
562 | ||
563 | typedef struct event EVENT; | |
564 | ||
565 | EXTERN EVENT *EventQueue; /* head of event queue */ | |
566 | \f/* | |
7338e3d4 | 567 | ** Operation, send, and error modes |
75f95954 EA |
568 | ** |
569 | ** The operation mode describes the basic operation of sendmail. | |
570 | ** This can be set from the command line, and is "send mail" by | |
571 | ** default. | |
572 | ** | |
573 | ** The send mode tells how to send mail. It can be set in the | |
574 | ** configuration file. It's setting determines how quickly the | |
575 | ** mail will be delivered versus the load on your system. If the | |
576 | ** -v (verbose) flag is given, it will be forced to SM_DELIVER | |
577 | ** mode. | |
578 | ** | |
7338e3d4 | 579 | ** The error mode tells how to return errors. |
d0bd03ce EA |
580 | */ |
581 | ||
75f95954 | 582 | EXTERN char OpMode; /* operation mode, see below */ |
d0bd03ce | 583 | |
75f95954 | 584 | #define MD_DELIVER 'm' /* be a mail sender */ |
75f95954 | 585 | #define MD_SMTP 's' /* run SMTP on standard input */ |
d0bd03ce EA |
586 | #define MD_DAEMON 'd' /* run as a daemon */ |
587 | #define MD_VERIFY 'v' /* verify: don't collect or deliver */ | |
44cb7eee | 588 | #define MD_TEST 't' /* test mode: resolve addrs only */ |
6bf17095 EA |
589 | #define MD_INITALIAS 'i' /* initialize alias database */ |
590 | #define MD_PRINT 'p' /* print the queue */ | |
591 | #define MD_FREEZE 'z' /* freeze the configuration file */ | |
d0bd03ce | 592 | |
75f95954 | 593 | |
8c8e8e94 | 594 | /* values for e_sendmode -- send modes */ |
75f95954 EA |
595 | #define SM_DELIVER 'i' /* interactive delivery */ |
596 | #define SM_QUICKD 'j' /* deliver w/o queueing */ | |
597 | #define SM_FORK 'b' /* deliver in background */ | |
598 | #define SM_QUEUE 'q' /* queue, don't deliver */ | |
599 | #define SM_VERIFY 'v' /* verify only (used internally) */ | |
7338e3d4 | 600 | |
eefcf91f EA |
601 | /* used only as a parameter to sendall */ |
602 | #define SM_DEFAULT '\0' /* unspecified, use SendMode */ | |
603 | ||
7338e3d4 | 604 | |
8c8e8e94 | 605 | /* values for e_errormode -- error handling modes */ |
7338e3d4 EA |
606 | #define EM_PRINT 'p' /* print errors */ |
607 | #define EM_MAIL 'm' /* mail back errors */ | |
608 | #define EM_WRITE 'w' /* write back errors */ | |
609 | #define EM_BERKNET 'e' /* special berknet processing */ | |
610 | #define EM_QUIET 'q' /* don't print messages (stat only) */ | |
e3ecd56f EA |
611 | \f/* |
612 | ** Additional definitions | |
613 | */ | |
614 | ||
20951c3f | 615 | |
1c7897ef | 616 | /* Offset used to ensure that name server error * codes are unique */ |
20951c3f | 617 | #define MAX_ERRNO 100 |
1c7897ef | 618 | |
e3ecd56f EA |
619 | |
620 | /* | |
621 | ** Privacy flags | |
622 | ** These are bit values for the PrivacyFlags word. | |
623 | */ | |
624 | ||
1c7897ef EA |
625 | #define PRIV_PUBLIC 0 /* what have I got to hide? */ |
626 | #define PRIV_NEEDMAILHELO 00001 /* insist on HELO for MAIL, at least */ | |
627 | #define PRIV_NEEDEXPNHELO 00002 /* insist on HELO for EXPN */ | |
628 | #define PRIV_NEEDVRFYHELO 00004 /* insist on HELO for VRFY */ | |
629 | #define PRIV_NOEXPN 00010 /* disallow EXPN command entirely */ | |
630 | #define PRIV_NOVRFY 00020 /* disallow VRFY command entirely */ | |
94bc039a | 631 | #define PRIV_AUTHWARNINGS 00040 /* flag possible authorization probs */ |
ae1498c3 EA |
632 | #define PRIV_RESTRMAILQ 01000 /* restrict mailq command */ |
633 | #define PRIV_GOAWAY 00777 /* don't give no info, anyway, anyhow */ | |
1c7897ef EA |
634 | |
635 | /* struct defining such things */ | |
636 | struct prival | |
637 | { | |
638 | char *pv_name; /* name of privacy flag */ | |
639 | int pv_flag; /* numeric level */ | |
640 | }; | |
3341995c | 641 | |
e3ecd56f EA |
642 | |
643 | /* | |
644 | ** Flags passed to remotename | |
645 | */ | |
646 | ||
647 | #define RF_SENDERADDR 0001 /* this is a sender address */ | |
648 | #define RF_HEADERADDR 0002 /* this is a header address */ | |
649 | #define RF_CANONICAL 0004 /* strip comment information */ | |
650 | #define RF_ADDDOMAIN 0010 /* OK to do domain extension */ | |
651 | ||
652 | ||
3341995c EA |
653 | /* |
654 | ** Regular UNIX sockaddrs are too small to handle ISO addresses, so | |
655 | ** we are forced to declare a supertype here. | |
656 | */ | |
657 | ||
3356c77c | 658 | union bigsockaddr |
3341995c | 659 | { |
3356c77c EA |
660 | struct sockaddr sa; /* general version */ |
661 | #ifdef NETINET | |
662 | struct sockaddr_in sin; /* INET family */ | |
663 | #endif | |
664 | #ifdef NETISO | |
665 | struct sockaddr_iso siso; /* ISO family */ | |
666 | #endif | |
88e65f7c EA |
667 | #ifdef NETNS |
668 | struct sockaddr_ns sns; /* XNS family */ | |
669 | #endif | |
670 | #ifdef NETX25 | |
671 | struct sockaddr_x25 sx25; /* X.25 family */ | |
672 | #endif | |
3341995c EA |
673 | }; |
674 | ||
3356c77c | 675 | #define SOCKADDR union bigsockaddr |
3341995c | 676 | |
d0bd03ce | 677 | \f/* |
b3cbe40f EA |
678 | ** Global variables. |
679 | */ | |
680 | ||
327272f5 | 681 | EXTERN bool FromFlag; /* if set, "From" person is explicit */ |
327272f5 | 682 | EXTERN bool NoAlias; /* if set, don't do any aliasing */ |
327272f5 EA |
683 | EXTERN bool MeToo; /* send to the sender also */ |
684 | EXTERN bool IgnrDot; /* don't let dot end messages */ | |
685 | EXTERN bool SaveFrom; /* save leading "From" lines */ | |
686 | EXTERN bool Verbose; /* set if blow-by-blow desired */ | |
687 | EXTERN bool GrabTo; /* if set, get recipients from msg */ | |
327272f5 | 688 | EXTERN bool NoReturn; /* don't return letter to sender */ |
cbdb7357 | 689 | EXTERN bool SuprErrs; /* set if we are suppressing errors */ |
49086753 | 690 | EXTERN bool HoldErrs; /* only output errors to transcript */ |
3135d20c | 691 | EXTERN bool NoConnect; /* don't connect to non-local mailers */ |
c1e24818 | 692 | EXTERN bool SuperSafe; /* be extra careful, even if expensive */ |
2e3062fe | 693 | EXTERN bool ForkQueueRuns; /* fork for each job when running the queue */ |
6bf17095 | 694 | EXTERN bool AutoRebuild; /* auto-rebuild the alias database as needed */ |
7355ccf5 | 695 | EXTERN bool CheckAliases; /* parse addresses during newaliases */ |
35af2f06 | 696 | EXTERN bool UseNameServer; /* use internet domain name server */ |
8657d05f | 697 | EXTERN bool EightBit; /* try to preserve 8-bit data */ |
fd399267 | 698 | EXTERN int SafeAlias; /* minutes to wait until @:@ in alias file */ |
cbdb7357 EA |
699 | EXTERN FILE *InChannel; /* input connection */ |
700 | EXTERN FILE *OutChannel; /* output connection */ | |
05c5b8b4 EA |
701 | EXTERN uid_t RealUid; /* when Daemon, real uid of caller */ |
702 | EXTERN gid_t RealGid; /* when Daemon, real gid of caller */ | |
703 | EXTERN uid_t DefUid; /* default uid to run as */ | |
704 | EXTERN gid_t DefGid; /* default gid to run as */ | |
3fbc69d6 | 705 | EXTERN char *DefUser; /* default user to run as (from DefUid) */ |
327272f5 | 706 | EXTERN int OldUmask; /* umask when sendmail starts up */ |
1ea752a1 | 707 | EXTERN int Errors; /* set if errors (local to single pass) */ |
327272f5 | 708 | EXTERN int ExitStat; /* exit status code */ |
cbdb7357 | 709 | EXTERN int AliasLevel; /* depth of aliasing */ |
792a6b53 | 710 | EXTERN int LineNumber; /* line number in current input */ |
c1e24818 | 711 | EXTERN int LogLevel; /* level of logging to perform */ |
d9667c04 | 712 | EXTERN int FileMode; /* mode on files */ |
2e3062fe EA |
713 | EXTERN int QueueLA; /* load average starting forced queueing */ |
714 | EXTERN int RefuseLA; /* load average refusing connections are */ | |
3620ad97 | 715 | EXTERN int CurrentLA; /* current load average */ |
faad4dd5 | 716 | EXTERN long QueueFactor; /* slope of queue function */ |
ed45aae1 | 717 | EXTERN time_t QueueIntvl; /* intervals between running the queue */ |
c1e24818 EA |
718 | EXTERN char *AliasFile; /* location of alias file */ |
719 | EXTERN char *HelpFile; /* location of SMTP help file */ | |
05c5b8b4 | 720 | EXTERN char *ErrMsgFile; /* file to prepend to all error messages */ |
c1e24818 EA |
721 | EXTERN char *StatFile; /* location of statistics summary */ |
722 | EXTERN char *QueueDir; /* location of queue directory */ | |
7338e3d4 | 723 | EXTERN char *FileName; /* name to print on error messages */ |
2e3062fe | 724 | EXTERN char *SmtpPhase; /* current phase in SMTP processing */ |
57c97d4a | 725 | EXTERN char *MyHostName; /* name of this host for SMTP messages */ |
2e3062fe | 726 | EXTERN char *RealHostName; /* name of host we are talking to */ |
3341995c | 727 | EXTERN SOCKADDR RealHostAddr; /* address of host we are talking to */ |
57c97d4a | 728 | EXTERN char *CurHostName; /* current host we are dealing with */ |
c1e24818 EA |
729 | EXTERN jmp_buf TopFrame; /* branch-to-top-of-loop-on-error frame */ |
730 | EXTERN bool QuickAbort; /* .... but only if we want a quick abort */ | |
f61c3c40 | 731 | EXTERN bool LogUsrErrs; /* syslog user errors (e.g., SMTP RCPT cmd) */ |
1c7897ef | 732 | EXTERN int PrivacyFlags; /* privacy flags */ |
96476cab | 733 | extern char *ConfFile; /* location of configuration file [conf.c] */ |
acae5a9d | 734 | extern char *FreezeFile; /* location of frozen memory image [conf.c] */ |
1c7897ef | 735 | extern char *PidFile; /* location of proc id file [conf.c] */ |
2e3062fe EA |
736 | extern ADDRESS NullAddress; /* a null (template) address [main.c] */ |
737 | EXTERN char SpaceSub; /* substitution for <lwsp> */ | |
faad4dd5 EA |
738 | EXTERN long WkClassFact; /* multiplier for message class -> priority */ |
739 | EXTERN long WkRecipFact; /* multiplier for # of recipients -> priority */ | |
740 | EXTERN long WkTimeFact; /* priority offset each time this job is run */ | |
2e3062fe | 741 | EXTERN char *PostMasterCopy; /* address to get errs cc's */ |
8dcff118 | 742 | EXTERN int CheckpointInterval; /* queue file checkpoint interval */ |
a979db86 EA |
743 | EXTERN char *UdbSpec; /* user database source spec */ |
744 | EXTERN int MaxHopCount; /* max # of hops until bounce */ | |
745 | EXTERN int ConfigLevel; /* config file level */ | |
746 | EXTERN char *TimeZoneSpec; /* override time zone specification */ | |
747 | EXTERN bool MatchGecos; /* look for user names in gecos field */ | |
63d473ff | 748 | EXTERN bool DontPruneRoutes; /* don't prune source routes */ |
a979db86 | 749 | EXTERN int MaxMciCache; /* maximum entries in MCI cache */ |
f2e44ded | 750 | EXTERN time_t MciCacheTimeout; /* maximum idle time on connections */ |
a979db86 EA |
751 | EXTERN char *ForwardPath; /* path to search for .forward files */ |
752 | EXTERN long MinBlocksFree; /* min # of blocks free on queue fs */ | |
d6c28d1a EA |
753 | EXTERN char *QueueLimitRecipient; /* limit queue runs to this recipient */ |
754 | EXTERN char *QueueLimitSender; /* limit queue runs to this sender */ | |
755 | EXTERN char *QueueLimitId; /* limit queue runs to this id */ | |
a979db86 EA |
756 | EXTERN char *FallBackMX; /* fall back MX host */ |
757 | EXTERN long MaxMessageSize; /* advertised max size we will accept */ | |
7f5e2eef EA |
758 | |
759 | ||
760 | /* | |
761 | ** Timeouts | |
762 | ** | |
763 | ** Indicated values are the MINIMUM per RFC 1123 section 5.3.2. | |
764 | */ | |
765 | ||
766 | EXTERN struct | |
767 | { | |
768 | time_t to_initial; /* initial greeting timeout [5m] */ | |
769 | time_t to_mail; /* MAIL command [5m] */ | |
770 | time_t to_rcpt; /* RCPT command [5m] */ | |
771 | time_t to_datainit; /* DATA initiation [2m] */ | |
772 | time_t to_datablock; /* DATA block [3m] */ | |
773 | time_t to_datafinal; /* DATA completion [10m] */ | |
774 | time_t to_nextcommand; /* next command [5m] */ | |
775 | /* following timeouts are not mentioned in RFC 1123 */ | |
776 | time_t to_rset; /* RSET command */ | |
777 | time_t to_helo; /* HELO command */ | |
778 | time_t to_quit; /* QUIT command */ | |
779 | time_t to_miscshort; /* misc short commands (NOOP, VERB, etc) */ | |
c2bdb1dd EA |
780 | /* following are per message */ |
781 | time_t to_q_return; /* queue return timeout */ | |
782 | time_t to_q_warning; /* queue warning timeout */ | |
7f5e2eef EA |
783 | } TimeOuts; |
784 | ||
785 | ||
786 | /* | |
9678c96d EA |
787 | ** Trace information |
788 | */ | |
b3cbe40f | 789 | |
9678c96d EA |
790 | /* trace vector and macros for debugging flags */ |
791 | EXTERN u_char tTdvect[100]; | |
792 | # define tTd(flag, level) (tTdvect[flag] >= level) | |
793 | # define tTdlevel(flag) (tTdvect[flag]) | |
794 | \f/* | |
795 | ** Miscellaneous information. | |
796 | */ | |
b3cbe40f | 797 | |
b3cbe40f | 798 | |
15842c3c EA |
799 | |
800 | /* | |
801 | ** Some in-line functions | |
802 | */ | |
803 | ||
804 | /* set exit status */ | |
c8ec8736 EA |
805 | #define setstat(s) { \ |
806 | if (ExitStat == EX_OK || ExitStat == EX_TEMPFAIL) \ | |
807 | ExitStat = s; \ | |
808 | } | |
29871fef | 809 | |
15842c3c | 810 | /* make a copy of a string */ |
c8ec8736 | 811 | #define newstr(s) strcpy(xalloc(strlen(s) + 1), s) |
15842c3c | 812 | |
2e3062fe EA |
813 | #define STRUCTCOPY(s, d) d = s |
814 | ||
15842c3c EA |
815 | |
816 | /* | |
817 | ** Declarations of useful functions | |
818 | */ | |
29871fef | 819 | |
57d5319a | 820 | extern ADDRESS *parseaddr __P((char *, ADDRESS *, int, int, char **, ENVELOPE *)); |
b543d6fa EA |
821 | extern char *xalloc __P((int)); |
822 | extern bool sameaddr __P((ADDRESS *, ADDRESS *)); | |
823 | extern FILE *dfopen __P((char *, char *)); | |
824 | extern EVENT *setevent __P((time_t, int(*)(), int)); | |
825 | extern char *sfgets __P((char *, int, FILE *, time_t)); | |
57d5319a | 826 | extern char *queuename __P((ENVELOPE *, int)); |
b543d6fa EA |
827 | extern time_t curtime __P(()); |
828 | extern bool transienterror __P((int)); | |
829 | extern char *errstring __P((int)); | |
58633cc7 EA |
830 | |
831 | /* ellipsis is a different case though */ | |
832 | #ifdef __STDC__ | |
833 | extern void auth_warning(ENVELOPE *, char *, ...); | |
834 | extern void syserr(char *, ...); | |
835 | extern void usrerr(char *, ...); | |
836 | extern void message(char *, ...); | |
837 | extern void nmessage(char *, ...); | |
838 | #else | |
839 | extern void auth_warning(); | |
840 | extern void syserr(); | |
841 | extern void usrerr(); | |
842 | extern void message(); | |
843 | extern void nmessage(); | |
844 | #endif | |
70aca632 EA |
845 | |
846 | /* | |
847 | ** HACK to fix bug in C compiler on CCI | |
848 | */ | |
849 | ||
850 | #undef isascii | |
5eddb1af | 851 | #define isascii(x) (((x) & ~0177) == 0) |