1 /** \file fetchmail.h header file for fetchmail */
5 * For license terms, see the file COPYING in this directory.
12 /* We need this for size_t */
13 #include <sys/types.h>
18 #include <sys/socket.h>
24 /* constants designating the various supported protocols */
33 #define SMTP_PORT "smtp"
34 #define SMTP_PORT_NUM 25
35 #define KPOP_PORT "kpop"
38 #define SIMAP_PORT 993
39 #define SPOP3_PORT 995
43 * We need to distinguish between mailbox and mailbag protocols.
44 * Under a mailbox protocol wwe're pulling mail for a speecific user.
45 * Under a mailbag protocol we're fetching mail for an entire domain.
47 #define MAILBOX_PROTOCOL(ctl) ((ctl)->server.protocol < P_ETRN)
49 /* authentication types */
50 #define A_ANY 0 /* use the first method that works */
51 #define A_PASSWORD 1 /* password authentication */
52 #define A_NTLM 2 /* Microsoft NTLM protocol */
53 #define A_CRAM_MD5 3 /* CRAM-MD5 shrouding (RFC2195) */
54 #define A_OTP 4 /* One-time password (RFC1508) */
55 #define A_KERBEROS_V4 5 /* authenticate w/ Kerberos V4 */
56 #define A_KERBEROS_V5 6 /* authenticate w/ Kerberos V5 */
57 #define A_GSSAPI 7 /* authenticate with GSSAPI */
58 #define A_SSH 8 /* authentication at session level */
59 #define A_MSN 9 /* same as NTLM with keyword MSN */
60 #define A_EXTERNAL 10 /* external authentication (client cert) */
62 /* some protocols or authentication types (KERBEROS, GSSAPI, SSH) don't
63 * require a password */
64 #define NO_PASSWORD(ctl) \
65 ((ctl)->server.authenticate == A_OTP \
66 || (ctl)->server.authenticate == A_KERBEROS_V4 \
67 || (ctl)->server.authenticate == A_KERBEROS_V5 \
68 || (ctl)->server.authenticate == A_GSSAPI \
69 || (ctl)->server.authenticate == A_SSH \
70 || (ctl)->server.authenticate == A_EXTERNAL \
71 || (ctl)->server.protocol == P_ETRN)
74 * Definitions for buffer sizes. We get little help on setting maxima
75 * from IMAP RFCs up to 2060, so these are mostly from POP3.
77 #define HOSTLEN 635 /* max hostname length (RFC1123) */
78 #define POPBUFSIZE 512 /* max length of response (RFC1939) */
79 #define IDLEN 128 /* max length of UID (RFC1939) */
81 /* per RFC1939 this should be 40, but Microsoft Exchange ignores that limit */
82 #define USERNAMELEN 128 /* max POP3 arg length */
84 /* clear a netBSD kernel parameter out of the way */
88 * The RFC822 limit on message line size is just 998. But
89 * make this *way* oversized; idiot DOS-world mailers that
90 * don't line-wrap properly often ship entire paragraphs as
93 #define MSGBUFSIZE 8192
95 #define NAMELEN 64 /* max username length */
96 #define PASSWORDLEN 64 /* max password length */
97 #define DIGESTLEN 33 /* length of MD5 digest */
99 /* exit code values */
100 /* NOTE THAT PS_SUCCESS MUST ALWAYS BE 0 - SOME PARTS OF THE CODE
101 * RELY ON THIS VALUE! */
102 #define PS_SUCCESS 0 /* successful receipt of messages */
103 #define PS_NOMAIL 1 /* no mail available */
104 #define PS_SOCKET 2 /* socket I/O woes */
105 #define PS_AUTHFAIL 3 /* user authorization failed */
106 #define PS_PROTOCOL 4 /* protocol violation */
107 #define PS_SYNTAX 5 /* command-line syntax error */
108 #define PS_IOERR 6 /* bad permissions on rc file */
109 #define PS_ERROR 7 /* protocol error */
110 #define PS_EXCLUDE 8 /* client-side exclusion error */
111 #define PS_LOCKBUSY 9 /* server responded lock busy */
112 #define PS_SMTP 10 /* SMTP error */
113 #define PS_DNS 11 /* fatal DNS error */
114 #define PS_BSMTP 12 /* output batch could not be opened */
115 #define PS_MAXFETCH 13 /* poll ended by fetch limit */
116 #define PS_SERVBUSY 14 /* server is busy */
117 /* leave space for more codes */
118 #define PS_UNDEFINED 23 /* something I hadn't thought of */
119 #define PS_TRANSIENT 24 /* transient failure (internal use) */
120 #define PS_REFUSED 25 /* mail refused (internal use) */
121 #define PS_RETAINED 26 /* message retained (internal use) */
122 #define PS_REPOLL 28 /* repoll immediately with changed parameters (internal use) */
123 #define PS_IDLETIMEOUT 29 /* timeout on imap IDLE (internal use) */
124 #define PS_UNTAGGED 30 /* untagged response on imap command (internal use) */
126 /* output noise level */
127 #define O_SILENT 0 /* mute, max squelch, etc. */
128 #define O_NORMAL 1 /* user-friendly */
129 #define O_VERBOSE 2 /* chatty */
130 #define O_DEBUG 3 /* prolix */
131 #define O_MONITOR O_VERBOSE
133 #define SIZETICKER 1024 /* print 1 dot per this many bytes */
136 * We #ifdef this and use flag rather than bool
137 * to avoid a type clash with curses.h
145 /* we need to use zero as a flag-uninitialized value */
149 /** run control data */
152 char *logfile; /** where to write log information */
153 char *idfile; /** where to store UID data */
154 char *pidfile; /** where to record the PID of daemon mode processes */
155 const char *postmaster;
157 int poll_interval; /** poll interval in seconds (daemon mode, 0 == off) */
167 /** Dual-use entry of singly-linked list for storing id/status or id/id2
171 char *id; /**< key */
177 flag mark; /**< UID-index information */
179 status; /**< value for id/status pairs */
180 char *id2; /**< value for id/id2 pairs */
181 } val; /**< union to store value for key \a id */
182 struct idlist *next; /**< pointer to next list element */
185 /** List of possible values for idlist::mark */
187 UID_UNSEEN= 0, /**< id hasn't been seen */
188 UID_SEEN= 1, /**< id was seen, but not deleted */
189 UID_DELETED= 2, /**< this message has been marked deleted */
190 UID_EXPUNGED= 3 /**< this message has been expunged */
197 struct method /* describe methods for protocol state machine */
199 const char *name; /* protocol name */
200 const char *service; /* service port (unencrypted) */
201 const char *sslservice; /* service port (SSL) */
202 flag tagged; /* if true, generate & expect command tags */
203 flag delimited; /* if true, accept "." message delimiter */
204 int (*parse_response)(int, char *);
205 /* response_parsing function */
206 int (*getauth)(int, struct query *, char *);
207 /* authorization fetcher */
208 int (*getrange)(int, struct query *, const char *, int *, int *, int *);
209 /* get message range to fetch */
210 int (*getsizes)(int, int, int *);
211 /* get sizes of messages */
212 int (*getpartialsizes)(int, int, int, int *);
213 /* get sizes of subset of messages */
214 int (*is_old)(int, struct query *, int);
215 /* check for old message */
216 int (*fetch_headers)(int, struct query *, int, int *);
217 /* fetch header from a given message */
218 int (*fetch_body)(int, struct query *, int, int *);
219 /* fetch a given message */
220 int (*trail)(int, struct query *, const char *);
221 /* eat trailer of a message */
222 int (*delete_msg)(int, struct query *, int);
224 int (*mark_seen)(int, struct query *, int);
225 /* mark as seen method */
226 int (*end_mailbox_poll)(int, struct query *);
227 /* end-of-mailbox processing */
228 int (*logout_cmd)(int, struct query *);
230 flag retry; /* can getrange poll for new messages? */
233 enum badheader { BHREJECT = 0, BHACCEPT };
235 struct hostdata /* shared among all user connections to given server */
238 char *pollname; /* poll label of host */
239 char *via; /* "true" server name if non-NULL */
240 struct idlist *akalist; /* server name first, then akas */
241 struct idlist *localdomains; /* list of pass-through domains */
242 int protocol; /* protocol type */
243 const char *service; /* service name */
244 int interval; /* # cycles to skip between polls */
245 int authenticate; /* authentication mode to try */
246 int timeout; /* inactivity timout in seconds */
247 char *envelope; /* envelope address list header */
248 int envskip; /* skip to numbered envelope header */
249 char *qvirtual; /* prefix removed from local user id */
250 flag skip; /* suppress poll in implicit mode? */
251 flag dns; /* do DNS lookup on multidrop? */
252 flag uidl; /* use RFC1725 UIDLs? */
254 flag sdps; /* use Demon Internet SDPS *ENV */
255 #endif /* SDPS_ENABLE */
256 flag checkalias; /* resolve aliases by comparing IPs? */
257 flag tracepolls; /* if TRUE, add poll trace info to Received */
258 char *principal; /* Kerberos principal for mail service */
259 char *esmtp_name, *esmtp_password; /* ESMTP AUTH information */
260 enum badheader badheader; /* bad-header {pass|reject} */
262 #if defined(linux) || defined(__FreeBSD__)
270 struct interface_pair_s *interface_pair;
273 char *plugin,*plugout;
275 /* computed for internal use */
276 const struct method *base_protocol; /* relevant protocol method table */
277 int poll_count; /* count of polls so far */
278 char *queryname; /* name to attempt DNS lookup on */
279 char *truename; /* "true name" of server host */
280 struct sockaddr *trueaddr; /* IP address of truename */
281 size_t trueaddr_len; /* size of trueaddr data */
282 struct hostdata *lead_server; /* ptr to lead query for this server */
284 int workarounds; /* track which workarounds the user was warned about */
288 * bit flags to set in workarounds after the corresponding warning,
289 * which we assume to be server-specific, has been printed,
290 * so we don't spam our users in daemon mode.
292 #define WKA_TOP (1L << 0) /* Maillennium TOP -> RETR override warning */
296 /* mailserver connection controls */
297 struct hostdata server;
300 struct idlist *localnames; /* including calling user's name */
301 int wildcard; /* should unmatched names be passed through */
302 char *remotename; /* remote login name to use */
303 char *password; /* remote password to use */
304 struct idlist *mailboxes; /* list of mailboxes to check */
306 /* per-forwarding-target data */
307 struct idlist *smtphunt; /* list of SMTP hosts to try forwarding to */
308 struct idlist *domainlist; /* domainlist to fetch from */
309 char *smtpaddress; /* address to force in RCPT TO */
310 char *smtpname; /* full RCPT TO name, including domain */
311 struct idlist *antispam; /* list of listener's antispam response */
312 const char *mda; /* local MDA to pass mail to */
313 char *bsmtp; /* BSMTP output file */
314 char listener; /* what's the listener's wire protocol? */
315 #define SMTP_MODE 'S'
316 #define LMTP_MODE 'L'
317 char *preconnect; /* pre-connection command to execute */
318 char *postconnect; /* post-connection command to execute */
320 /* per-user control flags */
321 flag keep; /* if TRUE, leave messages undeleted */
322 flag fetchall; /* if TRUE, fetch all (not just unseen) */
323 flag flush; /* if TRUE, delete messages already seen */
324 flag limitflush; /* if TRUE, delete oversized mails */
325 flag rewrite; /* if TRUE, canonicalize recipient addresses */
326 flag stripcr; /* if TRUE, strip CRs in text */
327 flag forcecr; /* if TRUE, force CRs before LFs in text */
328 flag pass8bits; /* if TRUE, ignore Content-Transfer-Encoding */
329 flag dropstatus; /* if TRUE, drop Status lines in mail */
330 flag dropdelivered; /* if TRUE, drop Delivered-To lines in mail */
331 flag mimedecode; /* if TRUE, decode MIME-armored messages */
332 flag idle; /* if TRUE, idle after each poll */
333 int limit; /* limit size of retrieved messages */
334 int warnings; /* size warning interval */
335 int fetchlimit; /* max # msgs to get in single poll */
336 int fetchsizelimit; /* max # msg sizes to get in a request */
337 int fastuidl; /* do binary search for new UIDLs? */
338 int fastuidlcount; /* internal count for frequency of binary search */
339 int batchlimit; /* max # msgs to pass in single SMTP session */
340 int expunge; /* max # msgs to pass between expunges */
341 flag use_ssl; /* use SSL encrypted session */
342 char *sslkey; /* optional SSL private key file */
343 char *sslcert; /* optional SSL certificate file */
344 char *sslproto; /** force transport protocol (ssl2|ssl3|ssl23|tls1) - if NULL,
345 use ssl23 for SSL and opportunistic tls1 for non-SSL connections. */
346 char *sslcertfile; /* Trusted certificate file for checking the server cert */
347 char *sslcertpath; /* Trusted certificate directory for checking the server cert */
348 flag sslcertck; /* Strictly check the server cert. */
349 char *sslcommonname; /* CommonName to expect from server */
350 char *sslfingerprint; /* Fingerprint to check against */
351 char *properties; /* passthrough properties for extensions */
353 /* internal use -- per-poll state */
354 flag active; /* should we actually poll this server? */
355 char *destaddr; /* destination host for this query */
356 int errcount; /* count transient errors in last pass */
357 int authfailcount; /* count of authorization failures */
358 int wehaveauthed; /* We've managed to logon at least once! */
359 int wehavesentauthnote; /* We've sent an authorization failure note */
360 int wedged; /* wedged by auth failures or timeouts? */
361 char *smtphost; /* actual SMTP host we connected to */
362 char smtphostmode; /* what's the actual SMTP host's wire protocol? */
363 int smtp_socket; /* socket descriptor for SMTP connection */
364 unsigned int uid; /* UID of user to deliver to */
365 struct idlist *skipped; /* messages skipped on the mail server */
366 struct idlist *oldsaved, *newsaved;
367 struct idlist **oldsavedend;
368 char lastdigest[DIGESTLEN]; /* last MD5 hash seen on this connection */
369 char *folder; /* folder currently being polled */
371 /* internal use -- per-message state */
372 int mimemsg; /* bitmask indicating MIME body-type */
373 unsigned char digest[DIGESTLEN]; /* md5 digest buffer */
375 /* internal use -- housekeeping */
376 struct query *next; /* next query control block in chain */
379 struct msgblk /* message header parsed for open_sink() */
381 char *headers; /* raw message headers */
382 struct idlist *recipients; /* addressees */
383 char return_path[HOSTLEN + USERNAMELEN + 4];
390 * Numeric option handling. Numeric option value of zero actually means
391 * it's unspecified. Value less than zero is zero. The reason for this
392 * screwy encoding is so we can zero out an option block in order to set the
393 * numeric flags in it to unspecified.
395 #define NUM_VALUE_IN(n) (((n) == 0) ? -1 : (n))
396 #define NUM_VALUE_OUT(n) (((n) < 0) ? 0 : (n))
397 #define NUM_NONZERO(n) ((n) > 0)
398 #define NUM_ZERO(n) ((n) < 0)
399 #define NUM_SPECIFIED(n) ((n) != 0)
401 #define MULTIDROP(ctl) ((ctl)->wildcard || \
402 ((ctl)->localnames && (ctl)->localnames->next))
405 * Note: tags are generated with an a%04d format from a 1-origin
406 * integer sequence number. Length 4 permits transaction numbers
407 * up to 9999, so we force rollover with % 10000. There's no special
408 * reason for this format other than to look like the exmples in the
411 #define TAGLEN 6 /* 'a' + 4 digits + NUL */
412 extern char tag[TAGLEN];
415 /* list of hosts assembled from run control file and command line */
416 extern struct query cmd_opts, *querylist;
418 /* what's returned by envquery */
419 extern void envquery(int, char **);
421 /* controls the detail level of status/progress messages written to stderr */
422 extern int outlevel; /* see the O_.* constants above */
423 extern int yydebug; /* enable parse debugging */
425 /* these get computed */
426 extern int batchcount; /* count of messages sent in current batch */
427 extern flag peek_capable; /* can we read msgs without setting seen? */
429 /* miscellaneous global controls */
430 extern struct runctl run; /* global controls for this run */
431 extern flag nodetach; /* if TRUE, don't detach daemon process */
432 extern flag quitmode; /* if --quit was set */
433 extern int quitind; /* optind after position of last --quit option */
434 extern flag check_only; /* if --check was set */
435 extern char *rcfile; /* path name of rc file */
436 extern int linelimit; /* limit # lines retrieved per site */
437 extern flag versioninfo; /* emit only version info */
438 extern char *user; /* name of invoking user */
439 extern char *home; /* home directory of invoking user */
440 extern char *fmhome; /* fetchmail home directory */
441 extern int pass; /* number of re-polling pass */
442 extern flag configdump; /* dump control blocks as Python dictionary */
443 extern const char *fetchmailhost; /* either "localhost" or an FQDN */
444 extern int suppress_tags; /* suppress tags in tagged protocols? */
445 extern char shroud[PASSWORDLEN*2+3]; /* string to shroud in debug output */
447 extern char *sdps_envfrom;
448 extern char *sdps_envto;
449 #endif /* SDPS_ENABLE */
451 extern const char *iana_charset; /* IANA assigned charset name */
453 /* from/for ucs/norm_charmap.c */
454 #include "ucs/norm_charmap.h"
456 /* prototypes for globally callable functions */
458 /* from /usr/include/sys/cdefs.h */
459 #if !defined __GNUC__ || __GNUC__ < 2
460 # define __attribute__(xyz) /* Ignore. */
463 /* error.c: Error reporting */
464 void report_init(int foreground);
465 /** Flush partial message, suppress program name tag for next report printout. */
466 void report_flush(FILE *fp);
467 void report (FILE *fp, const char *format, ...)
468 __attribute__ ((format (printf, 2, 3)))
470 void report_build (FILE *fp, const char *format, ...)
471 __attribute__ ((format (printf, 2, 3)))
473 void report_complete (FILE *fp, const char *format, ...)
474 __attribute__ ((format (printf, 2, 3)))
476 void report_at_line (FILE *fp, int, const char *, unsigned int, const char *, ...)
477 __attribute__ ((format (printf, 5, 6)))
480 /* driver.c -- main driver loop */
481 void set_timeout(int);
482 int is_idletimeout(void);
483 void resetidletimeout(void);
484 int do_protocol(struct query *, const struct method *);
486 /* transact.c: transaction support */
487 void init_transact(const struct method *);
488 int readheaders(int sock,
493 flag *suppress_readbody);
494 int readbody(int sock, struct query *ctl, flag forward, int len);
495 void gen_send(int sock, const char *, ... )
496 __attribute__ ((format (printf, 2, 3)))
498 int gen_recv(int sock, char *buf, int size);
499 int gen_transact(int sock, const char *, ... )
500 __attribute__ ((format (printf, 2, 3)))
502 extern struct msgblk msgblk;
504 /* use these to track what was happening when the nonresponse timer fired */
505 #define GENERAL_WAIT 0 /* unknown wait type */
506 #define OPEN_WAIT 1 /* waiting from mailserver open */
507 #define SERVER_WAIT 2 /* waiting for mailserver response */
508 #define LISTENER_WAIT 3 /* waiting for listener initialization */
509 #define FORWARDING_WAIT 4 /* waiting for listener response */
512 /* response hooks can use this to identify the query stage */
513 #define STAGE_GETAUTH 0
514 #define STAGE_GETRANGE 1
515 #define STAGE_GETSIZES 2
516 #define STAGE_FETCH 3
518 #define STAGE_LOGOUT 5
521 extern int mytimeout;
523 /* mark values for name lists */
524 #define XMIT_ACCEPT 1 /* accepted; matches local domain or name */
525 #define XMIT_REJECT 2 /* rejected; no match */
526 #define XMIT_RCPTBAD 3 /* SMTP listener rejected the name */
529 int interruptible_idle(int interval);
530 extern volatile int lastsig;
532 /* sink.c: forwarding */
533 void smtp_close(struct query *, int);
534 int smtp_open(struct query *);
535 int smtp_setup(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 *);
542 void stuff_warning(const char *, struct query *, const char *, ... )
543 __attribute__ ((format (printf, 3, 4)))
545 void close_warning_by_mail(struct query *, struct msgblk *);
547 /* rfc822.c: RFC822 header parsing */
548 char *reply_hack(char *, const char *, size_t *);
549 char *nxtaddr(const char *);
551 /* uid.c: UID support */
552 extern int dofastuidl;
553 void initialize_saved_lists(struct query *hostlist, const char *idfile);
554 void expunge_uids(struct query *ctl);
555 void uid_swap_lists(struct query *ctl);
556 void uid_discard_new_list(struct query *ctl);
557 void uid_reset_num(struct query *ctl);
558 void write_saved_lists(struct query *hostlist, const char *idfile);
561 struct idlist *save_str(struct idlist **idl, const char *str, flag status);
562 void free_str_list(struct idlist **idl);
563 void save_str_pair(struct idlist **idl, const char *str1, const char *str2);
564 struct idlist *str_in_list(struct idlist **idl, const char *str, const flag caseblind);
565 int str_nr_in_list(struct idlist **idl, const char *str);
566 int str_nr_last_in_list(struct idlist **idl, const char *str);
567 void str_set_mark(struct idlist **idl, const char *str, const flag val);
568 int count_list(struct idlist **idl);
569 char *str_from_nr_list(struct idlist **idl, long number);
570 char *str_find(struct idlist **idl, long number);
571 struct idlist *id_find(struct idlist **idl, long number);
572 char *idpair_find(struct idlist **idl, const char *id);
573 int delete_str(struct idlist **idl, long num);
574 struct idlist *copy_str_list(struct idlist *idl);
575 void append_str_list(struct idlist **idl, struct idlist **nidl);
578 int prc_parse_file(const char *, const flag);
579 int prc_filecheck(const char *, const flag);
582 void to64frombits(char *, const void *, int);
583 int from64tobits(void *, const char *, int maxlen);
586 /* Bit-mask returned by MimeBodyType */
587 #define MSG_IS_7BIT 0x01
588 #define MSG_IS_8BIT 0x02
589 #define MSG_NEEDS_DECODE 0x80
590 extern void UnMimeHeader(char *buf);
591 extern int MimeBodyType(char *hdrs, int WantDecode);
592 extern int UnMimeBodyline(char **buf, flag delimited, flag issoftline);
595 void interface_init(void);
596 void interface_parse(char *, struct hostdata *);
597 void interface_note_activity(struct hostdata *);
598 int interface_approve(struct hostdata *, flag domonitor);
602 /* protocol driver and methods */
603 int doPOP3 (struct query *);
604 int doIMAP (struct query *);
605 int doETRN (struct query *);
606 int doODMR (struct query *);
608 /* authentication functions */
609 int do_cram_md5(int sock, const char *command, struct query *ctl, const char *strip);
610 int do_rfc1731(int sock, const char *command, const char *truename);
611 int check_gss_creds(const char *service, const char *hostname);
612 int do_gssauth(int sock, const char *command, const char *service, const char *hostname, const char *username);
613 int do_otp(int sock, const char *command, struct query *ctl);
617 /* these should be of size PATH_MAX */
618 extern char currentwd[1024], rcfiledir[1024];
620 struct query *hostalloc(struct query *);
621 int parsecmdline (int, char **, struct runctl *, struct query *);
622 char *prependdir (const char *, const char *);
623 char *MD5Digest (unsigned const char *);
624 void hmac_md5 (const unsigned char *, size_t, const unsigned char *, size_t, unsigned char *, size_t);
625 int POP3_auth_rpa(char *, char *, int socket);
626 typedef void (*SIGHANDLERTYPE) (int);
627 void deal_with_sigchld(void);
628 void null_signal_handler(int sig);
629 SIGHANDLERTYPE set_signal_handler(int sig, SIGHANDLERTYPE handler);
630 int daemonize(const char *);
631 char *fm_getpassword(char *);
632 void escapes(const char *, char *);
633 char *visbuf(const char *);
634 const char *showproto(int);
635 void dump_config(struct runctl *runp, struct query *querylist);
636 int is_host_alias(const char *, struct query *, struct addrinfo **);
638 extern struct addrinfo *ai0, *ai1;
640 /** Try to obtain fully qualified hostname of current host. Exit with
641 * PS_DNS if \a required is true and there is a DNS error. Exit with
642 * PS_DNS if gethostname() fails, independent of the value of \a
645 * - fully qualified hostname if \a required is non-zero.
646 * - unqualified or fully qualified hostname if \a required is zero (0).
648 char *host_fqdn(int required /** exit with PS_DNS if the name cannot be qualified */);
649 char *rfc822timestamp(void);
651 char *rfc2047e(const char*, const char *);
653 void yyerror(const char *);
656 #define STRING_DISABLED (char *)-1
657 #define STRING_DUMMY ""
661 #define S_IXGRP 0000010
666 char *stpcpy(char *, const char*);
671 #else /* !__CYGWIN__ */
673 #endif /* __CYGWIN__ */
675 extern int mailserver_socket_temp;
676 extern const char *program_name;
678 /* POSIX space characters,
679 * <tab>;<newline>;<vertical-tab>;<form-feed>;<carriage-return>;<space> */
680 #define POSIX_space "\t\n\v\f\r "
682 /** Resolve the a TCP service name or a string containing only a decimal
683 * positive integer to a port number. Returns -1 for error. */
684 int servport(const char *service);
686 #ifndef HAVE_GETNAMEINFO
687 # define NI_NUMERICHOST 1
688 # define NI_NUMERICSERV 2
690 # define NI_NAMEREQD 8
694 int fm_getaddrinfo(const char *node, const char *serv, const struct addrinfo *hints, struct addrinfo **res);
695 void fm_freeaddrinfo(struct addrinfo *ai);
697 /* prototypes from tls.c */
698 int maybe_tls(struct query *ctl);
699 int must_tls(struct query *ctl);
701 /* prototype from rfc822valid.c */
702 int rfc822_valid_msgid(const unsigned char *);
704 /* prototype from x509_name_match.c */
705 int name_match(const char *p1, const char *p2);
707 /* prototype from ntlmsubr.c */
709 int ntlm_helper(int sock, struct query *ctl, const char *protocol);
712 /* macro to determine if we want to spam progress to stdout */
713 #define want_progress() \
714 ((outlevel >= O_VERBOSE || (outlevel > O_SILENT && run.showdots)) \
716 && (run.showdots || !is_a_file(1)))
719 /* fetchmail.h ends here */