1 /** \file fetchmail.h header file for fetchmail */
5 * For license terms, see the file COPYING in this directory.
8 /* We need this for HAVE_STDARG_H, etc */
11 /* We need this for size_t */
12 #include <sys/types.h>
14 /* We need this for time_t */
15 #if TIME_WITH_SYS_TIME
16 # include <sys/time.h>
20 # include <sys/time.h>
28 /* Import Trio if needed */
29 #if !defined(HAVE_SNPRINTF) || !defined(HAVE_VSNPRINTF)
30 # include "trio/trio.h"
33 /* We need this for strstr */
34 #if !defined(HAVE_STRSTR) && !defined(strstr)
35 char *strstr(const char *, const char *);
38 /* constants designating the various supported protocols */
48 #define SMTP_PORT "smtp"
49 #define SMTP_PORT_NUM 25
50 #define KPOP_PORT "kpop"
53 #define SIMAP_PORT 993
54 #define SPOP3_PORT 995
58 * We need to distinguish between mailbox and mailbag protocols.
59 * Under a mailbox protocol wwe're pulling mail for a speecific user.
60 * Under a mailbag protocol we're fetching mail for an entire domain.
62 #define MAILBOX_PROTOCOL(ctl) ((ctl)->server.protocol < P_ETRN)
64 /* authentication types */
65 #define A_ANY 0 /* use the first method that works */
66 #define A_PASSWORD 1 /* password authentication */
67 #define A_NTLM 2 /* Microsoft NTLM protocol */
68 #define A_CRAM_MD5 3 /* CRAM-MD5 shrouding (RFC2195) */
69 #define A_OTP 4 /* One-time password (RFC1508) */
70 #define A_KERBEROS_V4 5 /* authenticate w/ Kerberos V4 */
71 #define A_KERBEROS_V5 6 /* authenticate w/ Kerberos V5 */
72 #define A_GSSAPI 7 /* authenticate with GSSAPI */
73 #define A_SSH 8 /* authentication at session level */
74 #define A_MSN 9 /* same as NTLM with keyword MSN */
76 /* some protocols or authentication types (KERBEROS, GSSAPI, SSH) don't
77 * require a password */
78 #define NO_PASSWORD(ctl) \
79 ((ctl)->server.authenticate == A_OTP \
80 || (ctl)->server.authenticate == A_KERBEROS_V4 \
81 || (ctl)->server.authenticate == A_KERBEROS_V5 \
82 || (ctl)->server.authenticate == A_GSSAPI \
83 || (ctl)->server.authenticate == A_SSH \
84 || (ctl)->server.protocol == P_ETRN)
87 * Definitions for buffer sizes. We get little help on setting maxima
88 * from IMAP RFCs up to 2060, so these are mostly from POP3.
90 #define HOSTLEN 635 /* max hostname length (RFC1123) */
91 #define POPBUFSIZE 512 /* max length of response (RFC1939) */
92 #define IDLEN 128 /* max length of UID (RFC1939) */
94 /* per RFC1939 this should be 40, but Microsoft Exchange ignores that limit */
95 #define USERNAMELEN 128 /* max POP3 arg length */
97 /* clear a netBSD kernel parameter out of the way */
101 * The RFC822 limit on message line size is just 998. But
102 * make this *way* oversized; idiot DOS-world mailers that
103 * don't line-wrap properly often ship entire paragraphs as
106 #define MSGBUFSIZE 8192
108 #define NAMELEN 64 /* max username length */
109 #define PASSWORDLEN 64 /* max password length */
110 #define DIGESTLEN 33 /* length of MD5 digest */
112 /* exit code values */
113 #define PS_SUCCESS 0 /* successful receipt of messages */
114 #define PS_NOMAIL 1 /* no mail available */
115 #define PS_SOCKET 2 /* socket I/O woes */
116 #define PS_AUTHFAIL 3 /* user authorization failed */
117 #define PS_PROTOCOL 4 /* protocol violation */
118 #define PS_SYNTAX 5 /* command-line syntax error */
119 #define PS_IOERR 6 /* bad permissions on rc file */
120 #define PS_ERROR 7 /* protocol error */
121 #define PS_EXCLUDE 8 /* client-side exclusion error */
122 #define PS_LOCKBUSY 9 /* server responded lock busy */
123 #define PS_SMTP 10 /* SMTP error */
124 #define PS_DNS 11 /* fatal DNS error */
125 #define PS_BSMTP 12 /* output batch could not be opened */
126 #define PS_MAXFETCH 13 /* poll ended by fetch limit */
127 #define PS_SERVBUSY 14 /* server is busy */
128 /* leave space for more codes */
129 #define PS_UNDEFINED 23 /* something I hadn't thought of */
130 #define PS_TRANSIENT 24 /* transient failure (internal use) */
131 #define PS_REFUSED 25 /* mail refused (internal use) */
132 #define PS_RETAINED 26 /* message retained (internal use) */
133 #define PS_TRUNCATED 27 /* headers incomplete (internal use) */
134 #define PS_REPOLL 28 /* repoll immediately with changed parameters (internal use) */
135 #define PS_IDLETIMEOUT 29 /* timeout on imap IDLE (internal use) */
137 /* output noise level */
138 #define O_SILENT 0 /* mute, max squelch, etc. */
139 #define O_NORMAL 1 /* user-friendly */
140 #define O_VERBOSE 2 /* chatty */
141 #define O_DEBUG 3 /* prolix */
142 #define O_MONITOR O_VERBOSE
144 #define SIZETICKER 1024 /* print 1 dot per this many bytes */
147 * We #ifdef this and use flag rather than bool
148 * to avoid a type clash with curses.h
156 /* we need to use zero as a flag-uninitialized value */
182 flag mark; /* UID-index information */
183 #define UID_UNSEEN 0 /* hasn't been seen */
184 #define UID_SEEN 1 /* seen, but not deleted */
185 #define UID_DELETED 2 /* this message has been deleted */
186 #define UID_EXPUNGED 3 /* this message has been expunged */
196 struct method /* describe methods for protocol state machine */
198 const char *name; /* protocol name */
199 const char *service; /* service port (unencrypted) */
200 const char *sslservice; /* service port (SSL) */
201 flag tagged; /* if true, generate & expect command tags */
202 flag delimited; /* if true, accept "." message delimiter */
203 int (*parse_response)(int, char *);
204 /* response_parsing function */
205 int (*getauth)(int, struct query *, char *);
206 /* authorization fetcher */
207 int (*getrange)(int, struct query *, const char *, int *, int *, int *);
208 /* get message range to fetch */
209 int (*getsizes)(int, int, int *);
210 /* get sizes of messages */
211 int (*getpartialsizes)(int, int, int, int *);
212 /* get sizes of subset of messages */
213 int (*is_old)(int, struct query *, int);
214 /* check for old message */
215 int (*fetch_headers)(int, struct query *, int, int *);
216 /* fetch FROM headera given message */
217 int (*fetch_body)(int, struct query *, int, int *);
218 /* fetch a given message */
219 int (*trail)(int, struct query *, int, const char *);
220 /* eat trailer of a message */
221 int (*delete)(int, struct query *, int);
223 int (*mark_seen)(int, struct query *, int);
224 /* mark as seen method */
225 int (*end_mailbox_poll)(int, struct query *);
226 /* end-of-mailbox processing */
227 int (*logout_cmd)(int, struct query *);
229 flag retry; /* can getrange poll for new messages? */
232 struct hostdata /* shared among all user connections to given server */
235 char *pollname; /* poll label of host */
236 char *via; /* "true" server name if non-NULL */
237 struct idlist *akalist; /* server name first, then akas */
238 struct idlist *localdomains; /* list of pass-through domains */
239 int protocol; /* protocol type */
240 char *service; /* service name */
241 int interval; /* # cycles to skip between polls */
242 int authenticate; /* authentication mode to try */
243 int timeout; /* inactivity timout in seconds */
244 char *envelope; /* envelope address list header */
245 int envskip; /* skip to numbered envelope header */
246 char *qvirtual; /* prefix removed from local user id */
247 flag skip; /* suppress poll in implicit mode? */
248 flag dns; /* do DNS lookup on multidrop? */
249 flag uidl; /* use RFC1725 UIDLs? */
251 flag sdps; /* use Demon Internet SDPS *ENV */
252 #endif /* SDPS_ENABLE */
253 flag checkalias; /* resolve aliases by comparing IPs? */
254 flag tracepolls; /* if TRUE, add poll trace info to Received */
255 char *principal; /* Kerberos principal for mail service */
256 char *esmtp_name, *esmtp_password; /* ESMTP AUTH information */
258 #if defined(linux) || defined(__FreeBSD__)
266 struct interface_pair_s *interface_pair;
269 char *plugin,*plugout;
271 /* computed for internal use */
272 const struct method *base_protocol; /* relevant protocol method table */
273 int poll_count; /* count of polls so far */
274 char *queryname; /* name to attempt DNS lookup on */
275 char *truename; /* "true name" of server host */
276 struct sockaddr *trueaddr; /* IP address of truename */
277 size_t trueaddr_len; /* size of trueaddr data */
278 struct hostdata *lead_server; /* ptr to lead query for this server */
284 /* mailserver connection controls */
285 struct hostdata server;
288 struct idlist *localnames; /* including calling user's name */
289 int wildcard; /* should unmatched names be passed through */
290 char *remotename; /* remote login name to use */
291 char *password; /* remote password to use */
292 struct idlist *mailboxes; /* list of mailboxes to check */
294 /* per-forwarding-target data */
295 struct idlist *smtphunt; /* list of SMTP hosts to try forwarding to */
296 struct idlist *domainlist; /* domainlist to fetch from */
297 char *smtpaddress; /* address to force in RCPT TO */
298 char *smtpname; /* full RCPT TO name, including domain */
299 struct idlist *antispam; /* list of listener's antispam response */
300 char *mda; /* local MDA to pass mail to */
301 char *bsmtp; /* BSMTP output file */
302 char listener; /* what's the listener's wire protocol? */
303 #define SMTP_MODE 'S'
304 #define LMTP_MODE 'L'
305 char *preconnect; /* pre-connection command to execute */
306 char *postconnect; /* post-connection command to execute */
308 /* per-user control flags */
309 flag keep; /* if TRUE, leave messages undeleted */
310 flag fetchall; /* if TRUE, fetch all (not just unseen) */
311 flag flush; /* if TRUE, delete messages already seen */
312 flag limitflush; /* if TRUE, delete oversized mails */
313 flag rewrite; /* if TRUE, canonicalize recipient addresses */
314 flag stripcr; /* if TRUE, strip CRs in text */
315 flag forcecr; /* if TRUE, force CRs before LFs in text */
316 flag pass8bits; /* if TRUE, ignore Content-Transfer-Encoding */
317 flag dropstatus; /* if TRUE, drop Status lines in mail */
318 flag dropdelivered; /* if TRUE, drop Delivered-To lines in mail */
319 flag mimedecode; /* if TRUE, decode MIME-armored messages */
320 flag idle; /* if TRUE, idle after each poll */
321 int limit; /* limit size of retrieved messages */
322 int warnings; /* size warning interval */
323 int fetchlimit; /* max # msgs to get in single poll */
324 int fetchsizelimit; /* max # msg sizes to get in a request */
325 int fastuidl; /* do binary search for new UIDLs? */
326 int fastuidlcount; /* internal count for frequency of binary search */
327 int batchlimit; /* max # msgs to pass in single SMTP session */
328 int expunge; /* max # msgs to pass between expunges */
329 flag use_ssl; /* use SSL encrypted session */
330 char *sslkey; /* optional SSL private key file */
331 char *sslcert; /* optional SSL certificate file */
332 char *sslproto; /* force usage of protocol (ssl2|ssl3|tls1) - defaults to ssl23 */
333 char *sslcertpath; /* Trusted certificate directory for checking the server cert */
334 flag sslcertck; /* Strictly check the server cert. */
335 char *sslfingerprint; /* Fingerprint to check against */
336 char *properties; /* passthrough properties for extensions */
338 /* internal use -- per-poll state */
339 flag active; /* should we actually poll this server? */
340 char *destaddr; /* destination host for this query */
341 int errcount; /* count transient errors in last pass */
342 int authfailcount; /* count of authorization failures */
343 int wehaveauthed; /* We've managed to logon at least once! */
344 int wehavesentauthnote; /* We've sent an authorization failure note */
345 int wedged; /* wedged by auth failures or timeouts? */
346 char *smtphost; /* actual SMTP host we connected to */
347 int smtp_socket; /* socket descriptor for SMTP connection */
348 unsigned int uid; /* UID of user to deliver to */
349 struct idlist *skipped; /* messages skipped on the mail server */
350 struct idlist *oldsaved, *newsaved;
351 struct idlist **oldsavedend;
352 char lastdigest[DIGESTLEN]; /* last MD5 hash seen on this connection */
354 /* internal use -- per-message state */
355 int mimemsg; /* bitmask indicating MIME body-type */
356 char digest[DIGESTLEN]; /* md5 digest buffer */
358 /* internal use -- housekeeping */
359 struct query *next; /* next query control block in chain */
362 struct msgblk /* message header parsed for open_sink() */
364 char *headers; /* raw message headers */
365 struct idlist *recipients; /* addressees */
366 char return_path[HOSTLEN + USERNAMELEN + 4];
373 * Numeric option handling. Numeric option value of zero actually means
374 * it's unspecified. Value less than zero is zero. The reason for this
375 * screwy encoding is so we can zero out an option block in order to set the
376 * numeric flags in it to unspecified.
378 #define NUM_VALUE_IN(n) (((n) == 0) ? -1 : (n))
379 #define NUM_VALUE_OUT(n) (((n) < 0) ? 0 : (n))
380 #define NUM_NONZERO(n) ((n) > 0)
381 #define NUM_ZERO(n) ((n) < 0)
382 #define NUM_SPECIFIED(n) ((n) != 0)
384 #define MULTIDROP(ctl) (ctl->wildcard || \
385 ((ctl)->localnames && (ctl)->localnames->next))
388 * Note: tags are generated with an a%04d format from a 1-origin
389 * integer sequence number. Length 4 permits transaction numbers
390 * up to 9999, so we force rollover with % 10000. There's no special
391 * reason for this format other than to look like the exmples in the
394 #define TAGLEN 6 /* 'a' + 4 digits + NUL */
395 extern char tag[TAGLEN];
398 /* list of hosts assembled from run control file and command line */
399 extern struct query cmd_opts, *querylist;
401 /* what's returned by envquery */
402 extern void envquery(int, char **);
404 /* controls the detail level of status/progress messages written to stderr */
405 extern int outlevel; /* see the O_.* constants above */
406 extern int yydebug; /* enable parse debugging */
408 /* these get computed */
409 extern int batchcount; /* count of messages sent in current batch */
410 extern flag peek_capable; /* can we read msgs without setting seen? */
412 /* miscellaneous global controls */
413 extern struct runctl run; /* global controls for this run */
414 extern flag nodetach; /* if TRUE, don't detach daemon process */
415 extern flag quitmode; /* if --quit was set */
416 extern int quitind; /* optind after position of last --quit option */
417 extern flag check_only; /* if --check was set */
418 extern char *rcfile; /* path name of rc file */
419 extern int linelimit; /* limit # lines retrieved per site */
420 extern flag versioninfo; /* emit only version info */
421 extern char *user; /* name of invoking user */
422 extern char *home; /* home directory of invoking user */
423 extern char *fmhome; /* fetchmail home directory */
424 extern int pass; /* number of re-polling pass */
425 extern flag configdump; /* dump control blocks as Python dictionary */
426 extern char *fetchmailhost; /* either "localhost" or an FQDN */
427 extern int suppress_tags; /* suppress tags in tagged protocols? */
428 extern char shroud[PASSWORDLEN*2+3]; /* string to shroud in debug output */
430 extern char *sdps_envfrom;
431 extern char *sdps_envto;
432 #endif /* SDPS_ENABLE */
434 extern const char *iana_charset; /* IANA assigned charset name */
436 /* from ucs/norm_charmap.c */
437 const char *norm_charmap(const char *name);
439 /* prototypes for globally callable functions */
441 /* from /usr/include/sys/cdefs.h */
442 #if !defined __GNUC__ || __GNUC__ < 2
443 # define __attribute__(xyz) /* Ignore. */
446 /* error.c: Error reporting */
447 #if defined(HAVE_STDARG_H)
448 void report_init(int foreground);
449 void report (FILE *fp, const char *format, ...)
450 __attribute__ ((format (printf, 2, 3)))
452 void report_build (FILE *fp, const char *format, ...)
453 __attribute__ ((format (printf, 2, 3)))
455 void report_complete (FILE *fp, const char *format, ...)
456 __attribute__ ((format (printf, 2, 3)))
458 void report_at_line (FILE *fp, int, const char *, unsigned int, const char *, ...)
459 __attribute__ ((format (printf, 5, 6)))
463 void report_build ();
464 void report_complete ();
465 void report_at_line ();
468 /* driver.c -- main driver loop */
469 void set_timeout(int);
470 int is_idletimeout(void);
471 void resetidletimeout(void);
472 int do_protocol(struct query *, const struct method *);
474 /* transact.c: transaction support */
475 void init_transact(const struct method *);
476 int readheaders(int sock,
481 flag *suppress_readbody);
482 int readbody(int sock, struct query *ctl, flag forward, int len);
483 #if defined(HAVE_STDARG_H)
484 void gen_send(int sock, const char *, ... )
485 __attribute__ ((format (printf, 2, 3)))
487 int gen_recv(int sock, char *buf, int size);
488 int gen_transact(int sock, const char *, ... )
489 __attribute__ ((format (printf, 2, 3)))
496 extern struct msgblk msgblk;
498 /* lock.c: concurrency locking */
499 void lock_setup(void);
500 void lock_assert(void);
501 void lock_or_die(void);
502 void fm_lock_release(void);
503 int lock_state(void);
504 void lock_dispose(void);
506 /* use these to track what was happening when the nonresponse timer fired */
507 #define GENERAL_WAIT 0 /* unknown wait type */
508 #define OPEN_WAIT 1 /* waiting from mailserver open */
509 #define SERVER_WAIT 2 /* waiting for mailserver response */
510 #define LISTENER_WAIT 3 /* waiting for listener initialization */
511 #define FORWARDING_WAIT 4 /* waiting for listener response */
514 /* response hooks can use this to identify the query stage */
515 #define STAGE_GETAUTH 0
516 #define STAGE_GETRANGE 1
517 #define STAGE_GETSIZES 2
518 #define STAGE_FETCH 3
520 #define STAGE_LOGOUT 5
523 extern int mytimeout;
525 /* mark values for name lists */
526 #define XMIT_ACCEPT 1 /* accepted; matches local domain or name */
527 #define XMIT_REJECT 2 /* rejected; no match */
528 #define XMIT_RCPTBAD 3 /* SMTP listener rejected the name */
531 int interruptible_idle(int interval);
532 extern volatile int lastsig;
534 /* sink.c: forwarding */
535 void smtp_close(struct query *, int);
536 int smtp_open(struct query *);
537 char *rcpt_address(struct query *, const char *, int);
538 int stuffline(struct query *, char *);
539 int open_sink(struct query*, struct msgblk *, int*, int*);
540 void release_sink(struct query *);
541 int close_sink(struct query *, struct msgblk *, flag);
542 int open_warning_by_mail(struct query *, struct msgblk *);
543 #if defined(HAVE_STDARG_H)
544 void stuff_warning(const char *, struct query *, const char *, ... )
545 __attribute__ ((format (printf, 3, 4)))
548 void stuff_warning();
550 void close_warning_by_mail(struct query *, struct msgblk *);
552 /* rfc822.c: RFC822 header parsing */
553 unsigned char *reply_hack(unsigned char *, const unsigned char *, size_t *);
554 unsigned char *nxtaddr(const unsigned char *);
556 /* uid.c: UID support */
557 extern int dofastuidl;
559 void initialize_saved_lists(struct query *, const char *);
560 struct idlist *save_str(struct idlist **, const char *, flag);
561 void free_str_list(struct idlist **);
562 struct idlist *copy_str_list(struct idlist *idl);
563 void save_str_pair(struct idlist **, const char *, const char *);
564 void free_str_pair_list(struct idlist **);
565 int delete_str(struct idlist **, long);
566 struct idlist *str_in_list(struct idlist **, const char *, const flag);
567 int str_nr_in_list(struct idlist **, const char *);
568 int str_nr_last_in_list(struct idlist **, const char *);
569 void str_set_mark( struct idlist **, const char *, const flag);
570 int count_list( struct idlist **idl );
571 char *str_from_nr_list( struct idlist **idl, long number );
572 char *str_find(struct idlist **, long);
573 struct idlist *id_find(struct idlist **idl, long);
574 char *idpair_find(struct idlist **, const char *);
575 void append_str_list(struct idlist **, struct idlist **);
576 void expunge_uids(struct query *);
577 void uid_swap_lists(struct query *);
578 void uid_discard_new_list(struct query *ctl);
579 void uid_reset_num(struct query *ctl);
580 void write_saved_lists(struct query *, const char *);
583 int prc_parse_file(const char *, const flag);
584 int prc_filecheck(const char *, const flag);
587 void to64frombits(unsigned char *, const unsigned char *, int);
588 int from64tobits(char *, const char *, int maxlen);
591 /* Bit-mask returned by MimeBodyType */
592 #define MSG_IS_7BIT 0x01
593 #define MSG_IS_8BIT 0x02
594 #define MSG_NEEDS_DECODE 0x80
595 extern void UnMimeHeader(unsigned char *buf);
596 extern int MimeBodyType(unsigned char *hdrs, int WantDecode);
597 extern int UnMimeBodyline(unsigned char **buf, flag delimited, flag issoftline);
600 void interface_init(void);
601 void interface_parse(char *, struct hostdata *);
602 void interface_note_activity(struct hostdata *);
603 int interface_approve(struct hostdata *, flag domonitor);
606 #if defined(HAVE_VOIDPOINTER)
607 #define XMALLOCTYPE void
609 #define XMALLOCTYPE char
611 XMALLOCTYPE *xmalloc(size_t);
612 XMALLOCTYPE *xrealloc(/*@null@*/ XMALLOCTYPE *, size_t);
613 #define xfree(p) { if (p) { free(p); } (p) = 0; }
614 char *xstrdup(const char *);
616 /* protocol driver and methods */
617 int doPOP2 (struct query *);
618 int doPOP3 (struct query *);
619 int doIMAP (struct query *);
620 int doETRN (struct query *);
621 int doODMR (struct query *);
623 /* authentication functions */
624 int do_cram_md5(int sock, char *command, struct query *ctl, char *strip);
625 int do_rfc1731(int sock, char *command, char *truename);
626 int do_gssauth(int sock, char *command, char *service, char *hostname, char *username);
627 int do_otp(int sock, char *command, struct query *ctl);
631 /* these should be of size PATH_MAX */
632 extern char currentwd[1024], rcfiledir[1024];
634 struct query *hostalloc(struct query *);
635 int parsecmdline (int, char **, struct runctl *, struct query *);
636 char *prependdir (const char *, const char *);
637 char *MD5Digest (unsigned char *);
638 void hmac_md5 (unsigned char *, size_t, unsigned char *, size_t, unsigned char *, size_t);
639 int POP3_auth_rpa(unsigned char *, unsigned char *, int socket);
640 typedef RETSIGTYPE (*SIGHANDLERTYPE) (int);
641 void deal_with_sigchld(void);
642 RETSIGTYPE null_signal_handler(int sig);
643 SIGHANDLERTYPE set_signal_handler(int sig, SIGHANDLERTYPE handler);
644 int daemonize(const char *, void (*)(int));
645 char *fm_getpassword(char *);
646 void escapes(const char *, char *);
647 char *visbuf(const char *);
648 const char *showproto(int);
649 void dump_config(struct runctl *runp, struct query *querylist);
650 int is_host_alias(const char *, struct query *);
652 /** Try to obtain fully qualified hostname of current host. Exit with
653 * PS_DNS if \a required is true and there is a DNS error. Exit with
654 * PS_DNS if gethostname() fails, independent of the value of \a
657 * - fully qualified hostname if \a required is non-zero.
658 * - unqualified or fully qualified hostname if \a required is zero (0).
660 char *host_fqdn(int required /** exit with PS_DNS if the name cannot be qualified */);
661 char *rfc822timestamp(void);
663 char *rfc2047e(const char*, const char *);
665 void yyerror(const char *);
669 void itimerthread(void*);
670 /* Have to include these first to avoid errors from redefining getcwd
671 and chdir. They're re-include protected in EMX, so it's okay, I
675 /* Redefine getcwd and chdir to get drive-letter support so we can
676 find all of our lock files and stuff. */
677 #define getcwd _getcwd2
678 #define chdir _chdir2
682 # ifndef strerror /* On some systems, strerror is a macro */
683 char *strerror (int);
685 # endif /* HAVE_STRERROR */
687 #define STRING_DISABLED (char *)-1
688 #define STRING_DUMMY ""
692 #define S_IXGRP 0000010
697 char *stpcpy(char *, const char*);
700 #ifdef FETCHMAIL_DEBUG
701 #define exit(e) do { \
703 out = fopen("/tmp/fetchmail.log", "a"); \
705 "Exiting fetchmail from file %s, line %d with status %d\n", \
706 __FILE__, __LINE__, e); \
710 #endif /* FETCHMAIL_DEBUG */
714 #else /* !__CYGWIN__ */
716 #endif /* __CYGWIN__ */
718 extern int mailserver_socket_temp;
719 extern char *program_name;
721 /* POSIX space characters,
722 * <tab>;<newline>;<vertical-tab>;<form-feed>;<carriage-return>;<space> */
723 #define POSIX_space "\t\n\v\f\r "
725 /* strlcpy/strlcat prototypes */
728 strlcat(char *dst, const char *src, size_t siz);
732 strlcpy(char *dst, const char *src, size_t siz);
735 /** Resolve the a TCP service name or a string containing only a decimal
736 * positive integer to a port number. Returns -1 for error. */
737 int servport(const char *service);
739 #ifndef HAVE_GETNAMEINFO
740 # define NI_NUMERICHOST 1
741 # define NI_NUMERICSERV 2
743 # define NI_NAMEREQD 8
748 /* fetchmail.h ends here */