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 */
13 /* We need this for size_t */
14 #include <sys/types.h>
16 /* We need this for time_t */
17 #if TIME_WITH_SYS_TIME
18 # include <sys/time.h>
22 # include <sys/time.h>
28 #ifdef HAVE_SYS_SOCKET_H
29 #include <sys/socket.h>
31 #ifdef HAVE_NET_SOCKET_H
32 #include <net/socket.h>
37 /* Import Trio if needed */
38 #if !defined(HAVE_SNPRINTF) || !defined(HAVE_VSNPRINTF)
39 # include "trio/trio.h"
42 /* We need this for strstr */
43 #if !defined(HAVE_STRSTR) && !defined(strstr)
44 char *strstr(const char *, const char *);
47 /* constants designating the various supported protocols */
57 #define SMTP_PORT "smtp"
58 #define SMTP_PORT_NUM 25
59 #define KPOP_PORT "kpop"
62 #define SIMAP_PORT 993
63 #define SPOP3_PORT 995
67 * We need to distinguish between mailbox and mailbag protocols.
68 * Under a mailbox protocol wwe're pulling mail for a speecific user.
69 * Under a mailbag protocol we're fetching mail for an entire domain.
71 #define MAILBOX_PROTOCOL(ctl) ((ctl)->server.protocol < P_ETRN)
73 /* authentication types */
74 #define A_ANY 0 /* use the first method that works */
75 #define A_PASSWORD 1 /* password authentication */
76 #define A_NTLM 2 /* Microsoft NTLM protocol */
77 #define A_CRAM_MD5 3 /* CRAM-MD5 shrouding (RFC2195) */
78 #define A_OTP 4 /* One-time password (RFC1508) */
79 #define A_KERBEROS_V4 5 /* authenticate w/ Kerberos V4 */
80 #define A_KERBEROS_V5 6 /* authenticate w/ Kerberos V5 */
81 #define A_GSSAPI 7 /* authenticate with GSSAPI */
82 #define A_SSH 8 /* authentication at session level */
83 #define A_MSN 9 /* same as NTLM with keyword MSN */
85 /* some protocols or authentication types (KERBEROS, GSSAPI, SSH) don't
86 * require a password */
87 #define NO_PASSWORD(ctl) \
88 ((ctl)->server.authenticate == A_OTP \
89 || (ctl)->server.authenticate == A_KERBEROS_V4 \
90 || (ctl)->server.authenticate == A_KERBEROS_V5 \
91 || (ctl)->server.authenticate == A_GSSAPI \
92 || (ctl)->server.authenticate == A_SSH \
93 || (ctl)->server.protocol == P_ETRN)
96 * Definitions for buffer sizes. We get little help on setting maxima
97 * from IMAP RFCs up to 2060, so these are mostly from POP3.
99 #define HOSTLEN 635 /* max hostname length (RFC1123) */
100 #define POPBUFSIZE 512 /* max length of response (RFC1939) */
101 #define IDLEN 128 /* max length of UID (RFC1939) */
103 /* per RFC1939 this should be 40, but Microsoft Exchange ignores that limit */
104 #define USERNAMELEN 128 /* max POP3 arg length */
106 /* clear a netBSD kernel parameter out of the way */
110 * The RFC822 limit on message line size is just 998. But
111 * make this *way* oversized; idiot DOS-world mailers that
112 * don't line-wrap properly often ship entire paragraphs as
115 #define MSGBUFSIZE 8192
117 #define NAMELEN 64 /* max username length */
118 #define PASSWORDLEN 64 /* max password length */
119 #define DIGESTLEN 33 /* length of MD5 digest */
121 /* exit code values */
122 #define PS_SUCCESS 0 /* successful receipt of messages */
123 #define PS_NOMAIL 1 /* no mail available */
124 #define PS_SOCKET 2 /* socket I/O woes */
125 #define PS_AUTHFAIL 3 /* user authorization failed */
126 #define PS_PROTOCOL 4 /* protocol violation */
127 #define PS_SYNTAX 5 /* command-line syntax error */
128 #define PS_IOERR 6 /* bad permissions on rc file */
129 #define PS_ERROR 7 /* protocol error */
130 #define PS_EXCLUDE 8 /* client-side exclusion error */
131 #define PS_LOCKBUSY 9 /* server responded lock busy */
132 #define PS_SMTP 10 /* SMTP error */
133 #define PS_DNS 11 /* fatal DNS error */
134 #define PS_BSMTP 12 /* output batch could not be opened */
135 #define PS_MAXFETCH 13 /* poll ended by fetch limit */
136 #define PS_SERVBUSY 14 /* server is busy */
137 /* leave space for more codes */
138 #define PS_UNDEFINED 23 /* something I hadn't thought of */
139 #define PS_TRANSIENT 24 /* transient failure (internal use) */
140 #define PS_REFUSED 25 /* mail refused (internal use) */
141 #define PS_RETAINED 26 /* message retained (internal use) */
142 #define PS_TRUNCATED 27 /* headers incomplete (internal use) */
143 #define PS_REPOLL 28 /* repoll immediately with changed parameters (internal use) */
144 #define PS_IDLETIMEOUT 29 /* timeout on imap IDLE (internal use) */
146 /* output noise level */
147 #define O_SILENT 0 /* mute, max squelch, etc. */
148 #define O_NORMAL 1 /* user-friendly */
149 #define O_VERBOSE 2 /* chatty */
150 #define O_DEBUG 3 /* prolix */
151 #define O_MONITOR O_VERBOSE
153 #define SIZETICKER 1024 /* print 1 dot per this many bytes */
156 * We #ifdef this and use flag rather than bool
157 * to avoid a type clash with curses.h
165 /* we need to use zero as a flag-uninitialized value */
169 /** run control data */
172 char *logfile; /** where to write log information */
173 char *idfile; /** where to store UID data */
174 char *pidfile; /** where to record the PID of daemon mode processes */
193 flag mark; /* UID-index information */
194 #define UID_UNSEEN 0 /* hasn't been seen */
195 #define UID_SEEN 1 /* seen, but not deleted */
196 #define UID_DELETED 2 /* this message has been marked deleted */
197 #define UID_EXPUNGED 3 /* this message has been expunged */
207 struct method /* describe methods for protocol state machine */
209 const char *name; /* protocol name */
210 const char *service; /* service port (unencrypted) */
211 const char *sslservice; /* service port (SSL) */
212 flag tagged; /* if true, generate & expect command tags */
213 flag delimited; /* if true, accept "." message delimiter */
214 int (*parse_response)(int, char *);
215 /* response_parsing function */
216 int (*getauth)(int, struct query *, char *);
217 /* authorization fetcher */
218 int (*getrange)(int, struct query *, const char *, int *, int *, int *);
219 /* get message range to fetch */
220 int (*getsizes)(int, int, int *);
221 /* get sizes of messages */
222 int (*getpartialsizes)(int, int, int, int *);
223 /* get sizes of subset of messages */
224 int (*is_old)(int, struct query *, int);
225 /* check for old message */
226 int (*fetch_headers)(int, struct query *, int, int *);
227 /* fetch header from a given message */
228 int (*fetch_body)(int, struct query *, int, int *);
229 /* fetch a given message */
230 int (*trail)(int, struct query *, const char *);
231 /* eat trailer of a message */
232 int (*delete_msg)(int, struct query *, int);
234 int (*mark_seen)(int, struct query *, int);
235 /* mark as seen method */
236 int (*end_mailbox_poll)(int, struct query *);
237 /* end-of-mailbox processing */
238 int (*logout_cmd)(int, struct query *);
240 flag retry; /* can getrange poll for new messages? */
243 struct hostdata /* shared among all user connections to given server */
246 char *pollname; /* poll label of host */
247 char *via; /* "true" server name if non-NULL */
248 struct idlist *akalist; /* server name first, then akas */
249 struct idlist *localdomains; /* list of pass-through domains */
250 int protocol; /* protocol type */
251 char *service; /* service name */
252 int interval; /* # cycles to skip between polls */
253 int authenticate; /* authentication mode to try */
254 int timeout; /* inactivity timout in seconds */
255 char *envelope; /* envelope address list header */
256 int envskip; /* skip to numbered envelope header */
257 char *qvirtual; /* prefix removed from local user id */
258 flag skip; /* suppress poll in implicit mode? */
259 flag dns; /* do DNS lookup on multidrop? */
260 flag uidl; /* use RFC1725 UIDLs? */
262 flag sdps; /* use Demon Internet SDPS *ENV */
263 #endif /* SDPS_ENABLE */
264 flag checkalias; /* resolve aliases by comparing IPs? */
265 flag tracepolls; /* if TRUE, add poll trace info to Received */
266 char *principal; /* Kerberos principal for mail service */
267 char *esmtp_name, *esmtp_password; /* ESMTP AUTH information */
269 #if defined(linux) || defined(__FreeBSD__)
277 struct interface_pair_s *interface_pair;
280 char *plugin,*plugout;
282 /* computed for internal use */
283 const struct method *base_protocol; /* relevant protocol method table */
284 int poll_count; /* count of polls so far */
285 char *queryname; /* name to attempt DNS lookup on */
286 char *truename; /* "true name" of server host */
287 struct sockaddr *trueaddr; /* IP address of truename */
288 size_t trueaddr_len; /* size of trueaddr data */
289 struct hostdata *lead_server; /* ptr to lead query for this server */
291 int workarounds; /* track which workarounds the user was warned about */
295 * bit flags to set in workarounds after the corresponding warning,
296 * which we assume to be server-specific, has been printed,
297 * so we don't spam our users in daemon mode.
299 #define WKA_TOP (1L << 0) /* Maillennium TOP -> RETR override warning */
303 /* mailserver connection controls */
304 struct hostdata server;
307 struct idlist *localnames; /* including calling user's name */
308 int wildcard; /* should unmatched names be passed through */
309 char *remotename; /* remote login name to use */
310 char *password; /* remote password to use */
311 struct idlist *mailboxes; /* list of mailboxes to check */
313 /* per-forwarding-target data */
314 struct idlist *smtphunt; /* list of SMTP hosts to try forwarding to */
315 struct idlist *domainlist; /* domainlist to fetch from */
316 char *smtpaddress; /* address to force in RCPT TO */
317 char *smtpname; /* full RCPT TO name, including domain */
318 struct idlist *antispam; /* list of listener's antispam response */
319 char *mda; /* local MDA to pass mail to */
320 char *bsmtp; /* BSMTP output file */
321 char listener; /* what's the listener's wire protocol? */
322 #define SMTP_MODE 'S'
323 #define LMTP_MODE 'L'
324 char *preconnect; /* pre-connection command to execute */
325 char *postconnect; /* post-connection command to execute */
327 /* per-user control flags */
328 flag keep; /* if TRUE, leave messages undeleted */
329 flag fetchall; /* if TRUE, fetch all (not just unseen) */
330 flag flush; /* if TRUE, delete messages already seen */
331 flag limitflush; /* if TRUE, delete oversized mails */
332 flag rewrite; /* if TRUE, canonicalize recipient addresses */
333 flag stripcr; /* if TRUE, strip CRs in text */
334 flag forcecr; /* if TRUE, force CRs before LFs in text */
335 flag pass8bits; /* if TRUE, ignore Content-Transfer-Encoding */
336 flag dropstatus; /* if TRUE, drop Status lines in mail */
337 flag dropdelivered; /* if TRUE, drop Delivered-To lines in mail */
338 flag mimedecode; /* if TRUE, decode MIME-armored messages */
339 flag idle; /* if TRUE, idle after each poll */
340 int limit; /* limit size of retrieved messages */
341 int warnings; /* size warning interval */
342 int fetchlimit; /* max # msgs to get in single poll */
343 int fetchsizelimit; /* max # msg sizes to get in a request */
344 int fastuidl; /* do binary search for new UIDLs? */
345 int fastuidlcount; /* internal count for frequency of binary search */
346 int batchlimit; /* max # msgs to pass in single SMTP session */
347 int expunge; /* max # msgs to pass between expunges */
348 flag use_ssl; /* use SSL encrypted session */
349 char *sslkey; /* optional SSL private key file */
350 char *sslcert; /* optional SSL certificate file */
351 char *sslproto; /* force usage of protocol (ssl2|ssl3|tls1) - defaults to ssl23 */
352 char *sslcertpath; /* Trusted certificate directory for checking the server cert */
353 flag sslcertck; /* Strictly check the server cert. */
354 char *sslfingerprint; /* Fingerprint to check against */
355 char *properties; /* passthrough properties for extensions */
357 /* internal use -- per-poll state */
358 flag active; /* should we actually poll this server? */
359 char *destaddr; /* destination host for this query */
360 int errcount; /* count transient errors in last pass */
361 int authfailcount; /* count of authorization failures */
362 int wehaveauthed; /* We've managed to logon at least once! */
363 int wehavesentauthnote; /* We've sent an authorization failure note */
364 int wedged; /* wedged by auth failures or timeouts? */
365 char *smtphost; /* actual SMTP host we connected to */
366 char smtphostmode; /* what's the actual SMTP host's wire protocol? */
367 int smtp_socket; /* socket descriptor for SMTP connection */
368 unsigned int uid; /* UID of user to deliver to */
369 struct idlist *skipped; /* messages skipped on the mail server */
370 struct idlist *oldsaved, *newsaved;
371 struct idlist **oldsavedend;
372 char lastdigest[DIGESTLEN]; /* last MD5 hash seen on this connection */
373 char *folder; /* folder currently being polled */
375 /* internal use -- per-message state */
376 int mimemsg; /* bitmask indicating MIME body-type */
377 char digest[DIGESTLEN]; /* md5 digest buffer */
379 /* internal use -- housekeeping */
380 struct query *next; /* next query control block in chain */
383 struct msgblk /* message header parsed for open_sink() */
385 char *headers; /* raw message headers */
386 struct idlist *recipients; /* addressees */
387 char return_path[HOSTLEN + USERNAMELEN + 4];
394 * Numeric option handling. Numeric option value of zero actually means
395 * it's unspecified. Value less than zero is zero. The reason for this
396 * screwy encoding is so we can zero out an option block in order to set the
397 * numeric flags in it to unspecified.
399 #define NUM_VALUE_IN(n) (((n) == 0) ? -1 : (n))
400 #define NUM_VALUE_OUT(n) (((n) < 0) ? 0 : (n))
401 #define NUM_NONZERO(n) ((n) > 0)
402 #define NUM_ZERO(n) ((n) < 0)
403 #define NUM_SPECIFIED(n) ((n) != 0)
405 #define MULTIDROP(ctl) (ctl->wildcard || \
406 ((ctl)->localnames && (ctl)->localnames->next))
409 * Note: tags are generated with an a%04d format from a 1-origin
410 * integer sequence number. Length 4 permits transaction numbers
411 * up to 9999, so we force rollover with % 10000. There's no special
412 * reason for this format other than to look like the exmples in the
415 #define TAGLEN 6 /* 'a' + 4 digits + NUL */
416 extern char tag[TAGLEN];
419 /* list of hosts assembled from run control file and command line */
420 extern struct query cmd_opts, *querylist;
422 /* what's returned by envquery */
423 extern void envquery(int, char **);
425 /* controls the detail level of status/progress messages written to stderr */
426 extern int outlevel; /* see the O_.* constants above */
427 extern int yydebug; /* enable parse debugging */
429 /* these get computed */
430 extern int batchcount; /* count of messages sent in current batch */
431 extern flag peek_capable; /* can we read msgs without setting seen? */
433 /* miscellaneous global controls */
434 extern struct runctl run; /* global controls for this run */
435 extern flag nodetach; /* if TRUE, don't detach daemon process */
436 extern flag quitmode; /* if --quit was set */
437 extern int quitind; /* optind after position of last --quit option */
438 extern flag check_only; /* if --check was set */
439 extern char *rcfile; /* path name of rc file */
440 extern int linelimit; /* limit # lines retrieved per site */
441 extern flag versioninfo; /* emit only version info */
442 extern char *user; /* name of invoking user */
443 extern char *home; /* home directory of invoking user */
444 extern char *fmhome; /* fetchmail home directory */
445 extern int pass; /* number of re-polling pass */
446 extern flag configdump; /* dump control blocks as Python dictionary */
447 extern char *fetchmailhost; /* either "localhost" or an FQDN */
448 extern int suppress_tags; /* suppress tags in tagged protocols? */
449 extern char shroud[PASSWORDLEN*2+3]; /* string to shroud in debug output */
451 extern char *sdps_envfrom;
452 extern char *sdps_envto;
453 #endif /* SDPS_ENABLE */
455 extern const char *iana_charset; /* IANA assigned charset name */
457 /* from ucs/norm_charmap.c */
458 const char *norm_charmap(const char *name);
460 /* prototypes for globally callable functions */
462 /* from /usr/include/sys/cdefs.h */
463 #if !defined __GNUC__ || __GNUC__ < 2
464 # define __attribute__(xyz) /* Ignore. */
467 /* error.c: Error reporting */
468 #if defined(HAVE_STDARG_H)
469 void report_init(int foreground);
470 void report (FILE *fp, const char *format, ...)
471 __attribute__ ((format (printf, 2, 3)))
473 void report_build (FILE *fp, const char *format, ...)
474 __attribute__ ((format (printf, 2, 3)))
476 void report_complete (FILE *fp, const char *format, ...)
477 __attribute__ ((format (printf, 2, 3)))
479 void report_at_line (FILE *fp, int, const char *, unsigned int, const char *, ...)
480 __attribute__ ((format (printf, 5, 6)))
484 void report_build ();
485 void report_complete ();
486 void report_at_line ();
489 /* driver.c -- main driver loop */
490 void set_timeout(int);
491 int is_idletimeout(void);
492 void resetidletimeout(void);
493 int do_protocol(struct query *, const struct method *);
495 /* transact.c: transaction support */
496 void init_transact(const struct method *);
497 int readheaders(int sock,
502 flag *suppress_readbody);
503 int readbody(int sock, struct query *ctl, flag forward, int len);
504 #if defined(HAVE_STDARG_H)
505 void gen_send(int sock, const char *, ... )
506 __attribute__ ((format (printf, 2, 3)))
508 int gen_recv(int sock, char *buf, int size);
509 int gen_transact(int sock, const char *, ... )
510 __attribute__ ((format (printf, 2, 3)))
517 extern struct msgblk msgblk;
519 /* use these to track what was happening when the nonresponse timer fired */
520 #define GENERAL_WAIT 0 /* unknown wait type */
521 #define OPEN_WAIT 1 /* waiting from mailserver open */
522 #define SERVER_WAIT 2 /* waiting for mailserver response */
523 #define LISTENER_WAIT 3 /* waiting for listener initialization */
524 #define FORWARDING_WAIT 4 /* waiting for listener response */
527 /* response hooks can use this to identify the query stage */
528 #define STAGE_GETAUTH 0
529 #define STAGE_GETRANGE 1
530 #define STAGE_GETSIZES 2
531 #define STAGE_FETCH 3
533 #define STAGE_LOGOUT 5
536 extern int mytimeout;
538 /* mark values for name lists */
539 #define XMIT_ACCEPT 1 /* accepted; matches local domain or name */
540 #define XMIT_REJECT 2 /* rejected; no match */
541 #define XMIT_RCPTBAD 3 /* SMTP listener rejected the name */
544 int interruptible_idle(int interval);
545 extern volatile int lastsig;
547 /* sink.c: forwarding */
548 void smtp_close(struct query *, int);
549 int smtp_open(struct query *);
550 char *rcpt_address(struct query *, const char *, int);
551 int stuffline(struct query *, char *);
552 int open_sink(struct query*, struct msgblk *, int*, int*);
553 void release_sink(struct query *);
554 int close_sink(struct query *, struct msgblk *, flag);
555 int open_warning_by_mail(struct query *);
556 #if defined(HAVE_STDARG_H)
557 void stuff_warning(const char *, struct query *, const char *, ... )
558 __attribute__ ((format (printf, 3, 4)))
561 void stuff_warning();
563 void close_warning_by_mail(struct query *, struct msgblk *);
565 /* rfc822.c: RFC822 header parsing */
566 char *reply_hack(char *, const char *, size_t *);
567 char *nxtaddr(const char *);
569 /* uid.c: UID support */
570 extern int dofastuidl;
572 void initialize_saved_lists(struct query *, const char *);
573 struct idlist *save_str(struct idlist **, const char *, flag);
574 void free_str_list(struct idlist **);
575 struct idlist *copy_str_list(struct idlist *idl);
576 void save_str_pair(struct idlist **, const char *, const char *);
577 void free_str_pair_list(struct idlist **);
578 int delete_str(struct idlist **, long);
579 struct idlist *str_in_list(struct idlist **, const char *, const flag);
580 int str_nr_in_list(struct idlist **, const char *);
581 int str_nr_last_in_list(struct idlist **, const char *);
582 void str_set_mark( struct idlist **, const char *, const flag);
583 int count_list( struct idlist **idl );
584 char *str_from_nr_list( struct idlist **idl, long number );
585 char *str_find(struct idlist **, long);
586 struct idlist *id_find(struct idlist **idl, long);
587 char *idpair_find(struct idlist **, const char *);
588 void append_str_list(struct idlist **, struct idlist **);
589 void expunge_uids(struct query *);
590 void uid_swap_lists(struct query *);
591 void uid_discard_new_list(struct query *ctl);
592 void uid_reset_num(struct query *ctl);
593 void write_saved_lists(struct query *, const char *);
596 int prc_parse_file(const char *, const flag);
597 int prc_filecheck(const char *, const flag);
600 void to64frombits(char *, const void *, int);
601 int from64tobits(void *, const char *, int maxlen);
604 /* Bit-mask returned by MimeBodyType */
605 #define MSG_IS_7BIT 0x01
606 #define MSG_IS_8BIT 0x02
607 #define MSG_NEEDS_DECODE 0x80
608 extern void UnMimeHeader(char *buf);
609 extern int MimeBodyType(char *hdrs, int WantDecode);
610 extern int UnMimeBodyline(char **buf, flag delimited, flag issoftline);
613 void interface_init(void);
614 void interface_parse(char *, struct hostdata *);
615 void interface_note_activity(struct hostdata *);
616 int interface_approve(struct hostdata *, flag domonitor);
619 #if defined(HAVE_VOIDPOINTER)
620 #define XMALLOCTYPE void
622 #define XMALLOCTYPE char
624 XMALLOCTYPE *xmalloc(size_t);
625 XMALLOCTYPE *xrealloc(/*@null@*/ XMALLOCTYPE *, size_t);
626 #define xfree(p) { if (p) { free(p); } (p) = 0; }
627 char *xstrdup(const char *);
629 /* protocol driver and methods */
630 int doPOP2 (struct query *);
631 int doPOP3 (struct query *);
632 int doIMAP (struct query *);
633 int doETRN (struct query *);
634 int doODMR (struct query *);
636 /* authentication functions */
637 int do_cram_md5(int sock, char *command, struct query *ctl, char *strip);
638 int do_rfc1731(int sock, char *command, char *truename);
639 int do_gssauth(int sock, char *command, char *service, char *hostname, char *username);
640 int do_otp(int sock, char *command, struct query *ctl);
644 /* these should be of size PATH_MAX */
645 extern char currentwd[1024], rcfiledir[1024];
647 struct query *hostalloc(struct query *);
648 int parsecmdline (int, char **, struct runctl *, struct query *);
649 char *prependdir (const char *, const char *);
650 char *MD5Digest (unsigned const char *);
651 void hmac_md5 (char *, size_t, char *, size_t, unsigned char *, size_t);
652 int POP3_auth_rpa(char *, char *, int socket);
653 typedef RETSIGTYPE (*SIGHANDLERTYPE) (int);
654 void deal_with_sigchld(void);
655 RETSIGTYPE null_signal_handler(int sig);
656 SIGHANDLERTYPE set_signal_handler(int sig, SIGHANDLERTYPE handler);
657 int daemonize(const char *);
658 char *fm_getpassword(char *);
659 void escapes(const char *, char *);
660 char *visbuf(const char *);
661 const char *showproto(int);
662 void dump_config(struct runctl *runp, struct query *querylist);
663 int is_host_alias(const char *, struct query *, struct addrinfo **);
665 extern struct addrinfo *ai0, *ai1;
667 /** Try to obtain fully qualified hostname of current host. Exit with
668 * PS_DNS if \a required is true and there is a DNS error. Exit with
669 * PS_DNS if gethostname() fails, independent of the value of \a
672 * - fully qualified hostname if \a required is non-zero.
673 * - unqualified or fully qualified hostname if \a required is zero (0).
675 char *host_fqdn(int required /** exit with PS_DNS if the name cannot be qualified */);
676 char *rfc822timestamp(void);
678 char *rfc2047e(const char*, const char *);
680 void yyerror(const char *);
684 void itimerthread(void*);
685 /* Have to include these first to avoid errors from redefining getcwd
686 and chdir. They're re-include protected in EMX, so it's okay, I
690 /* Redefine getcwd and chdir to get drive-letter support so we can
691 find all of our lock files and stuff. */
692 #define getcwd _getcwd2
693 #define chdir _chdir2
697 # if !defined(strerror) && !defined(HAVE_DECL_STRERROR) /* On some systems, strerror is a macro */
698 char *strerror (int);
700 #endif /* HAVE_STRERROR */
702 #define STRING_DISABLED (char *)-1
703 #define STRING_DUMMY ""
707 #define S_IXGRP 0000010
712 char *stpcpy(char *, const char*);
715 #ifdef FETCHMAIL_DEBUG
716 #define exit(e) do { \
718 out = fopen("/tmp/fetchmail.log", "a"); \
720 "Exiting fetchmail from file %s, line %d with status %d\n", \
721 __FILE__, __LINE__, e); \
725 #endif /* FETCHMAIL_DEBUG */
729 #else /* !__CYGWIN__ */
731 #endif /* __CYGWIN__ */
733 extern int mailserver_socket_temp;
734 extern char *program_name;
736 /* POSIX space characters,
737 * <tab>;<newline>;<vertical-tab>;<form-feed>;<carriage-return>;<space> */
738 #define POSIX_space "\t\n\v\f\r "
740 /* strlcpy/strlcat prototypes */
743 strlcat(char *dst, const char *src, size_t siz);
747 strlcpy(char *dst, const char *src, size_t siz);
750 /** Resolve the a TCP service name or a string containing only a decimal
751 * positive integer to a port number. Returns -1 for error. */
752 int servport(const char *service);
754 #ifndef HAVE_GETNAMEINFO
755 # define NI_NUMERICHOST 1
756 # define NI_NUMERICSERV 2
758 # define NI_NAMEREQD 8
762 int fm_getaddrinfo(const char *node, const char *serv, const struct addrinfo *hints, struct addrinfo **res);
763 void fm_freeaddrinfo(struct addrinfo *ai);
766 /* fetchmail.h ends here */