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