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 *);
49 /* constants designating the various supported protocols */
59 #define SMTP_PORT "smtp"
60 #define SMTP_PORT_NUM 25
61 #define KPOP_PORT "kpop"
64 #define SIMAP_PORT 993
65 #define SPOP3_PORT 995
69 * We need to distinguish between mailbox and mailbag protocols.
70 * Under a mailbox protocol wwe're pulling mail for a speecific user.
71 * Under a mailbag protocol we're fetching mail for an entire domain.
73 #define MAILBOX_PROTOCOL(ctl) ((ctl)->server.protocol < P_ETRN)
75 /* authentication types */
76 #define A_ANY 0 /* use the first method that works */
77 #define A_PASSWORD 1 /* password authentication */
78 #define A_NTLM 2 /* Microsoft NTLM protocol */
79 #define A_CRAM_MD5 3 /* CRAM-MD5 shrouding (RFC2195) */
80 #define A_OTP 4 /* One-time password (RFC1508) */
81 #define A_KERBEROS_V4 5 /* authenticate w/ Kerberos V4 */
82 #define A_KERBEROS_V5 6 /* authenticate w/ Kerberos V5 */
83 #define A_GSSAPI 7 /* authenticate with GSSAPI */
84 #define A_SSH 8 /* authentication at session level */
85 #define A_MSN 9 /* same as NTLM with keyword MSN */
86 #define A_EXTERNAL 10 /* external authentication (client cert) */
88 /* some protocols or authentication types (KERBEROS, GSSAPI, SSH) don't
89 * require a password */
90 #define NO_PASSWORD(ctl) \
91 ((ctl)->server.authenticate == A_OTP \
92 || (ctl)->server.authenticate == A_KERBEROS_V4 \
93 || (ctl)->server.authenticate == A_KERBEROS_V5 \
94 || (ctl)->server.authenticate == A_GSSAPI \
95 || (ctl)->server.authenticate == A_SSH \
96 || (ctl)->server.authenticate == A_EXTERNAL \
97 || (ctl)->server.protocol == P_ETRN)
100 * Definitions for buffer sizes. We get little help on setting maxima
101 * from IMAP RFCs up to 2060, so these are mostly from POP3.
103 #define HOSTLEN 635 /* max hostname length (RFC1123) */
104 #define POPBUFSIZE 512 /* max length of response (RFC1939) */
105 #define IDLEN 128 /* max length of UID (RFC1939) */
107 /* per RFC1939 this should be 40, but Microsoft Exchange ignores that limit */
108 #define USERNAMELEN 128 /* max POP3 arg length */
110 /* clear a netBSD kernel parameter out of the way */
114 * The RFC822 limit on message line size is just 998. But
115 * make this *way* oversized; idiot DOS-world mailers that
116 * don't line-wrap properly often ship entire paragraphs as
119 #define MSGBUFSIZE 8192
121 #define NAMELEN 64 /* max username length */
122 #define PASSWORDLEN 64 /* max password length */
123 #define DIGESTLEN 33 /* length of MD5 digest */
125 /* exit code values */
126 /* NOTE THAT PS_SUCCESS MUST ALWAYS BE 0 - SOME PARTS OF THE CODE
127 * RELY ON THIS VALUE! */
128 #define PS_SUCCESS 0 /* successful receipt of messages */
129 #define PS_NOMAIL 1 /* no mail available */
130 #define PS_SOCKET 2 /* socket I/O woes */
131 #define PS_AUTHFAIL 3 /* user authorization failed */
132 #define PS_PROTOCOL 4 /* protocol violation */
133 #define PS_SYNTAX 5 /* command-line syntax error */
134 #define PS_IOERR 6 /* bad permissions on rc file */
135 #define PS_ERROR 7 /* protocol error */
136 #define PS_EXCLUDE 8 /* client-side exclusion error */
137 #define PS_LOCKBUSY 9 /* server responded lock busy */
138 #define PS_SMTP 10 /* SMTP error */
139 #define PS_DNS 11 /* fatal DNS error */
140 #define PS_BSMTP 12 /* output batch could not be opened */
141 #define PS_MAXFETCH 13 /* poll ended by fetch limit */
142 #define PS_SERVBUSY 14 /* server is busy */
143 /* leave space for more codes */
144 #define PS_UNDEFINED 23 /* something I hadn't thought of */
145 #define PS_TRANSIENT 24 /* transient failure (internal use) */
146 #define PS_REFUSED 25 /* mail refused (internal use) */
147 #define PS_RETAINED 26 /* message retained (internal use) */
148 #define PS_REPOLL 28 /* repoll immediately with changed parameters (internal use) */
149 #define PS_IDLETIMEOUT 29 /* timeout on imap IDLE (internal use) */
150 #define PS_UNTAGGED 30 /* untagged response on imap command (internal use) */
152 /* output noise level */
153 #define O_SILENT 0 /* mute, max squelch, etc. */
154 #define O_NORMAL 1 /* user-friendly */
155 #define O_VERBOSE 2 /* chatty */
156 #define O_DEBUG 3 /* prolix */
157 #define O_MONITOR O_VERBOSE
159 #define SIZETICKER 1024 /* print 1 dot per this many bytes */
162 * We #ifdef this and use flag rather than bool
163 * to avoid a type clash with curses.h
171 /* we need to use zero as a flag-uninitialized value */
175 /** run control data */
178 char *logfile; /** where to write log information */
179 char *idfile; /** where to store UID data */
180 char *pidfile; /** where to record the PID of daemon mode processes */
181 const char *postmaster;
183 int poll_interval; /** poll interval in seconds (daemon mode, 0 == off) */
193 /** Dual-use entry of singly-linked list for storing id/status or id/id2
197 char *id; /**< key */
203 flag mark; /**< UID-index information */
205 status; /**< value for id/status pairs */
206 char *id2; /**< value for id/id2 pairs */
207 } val; /**< union to store value for key \a id */
208 struct idlist *next; /**< pointer to next list element */
211 /** List of possible values for idlist::mark */
213 UID_UNSEEN= 0, /**< id hasn't been seen */
214 UID_SEEN= 1, /**< id was seen, but not deleted */
215 UID_DELETED= 2, /**< this message has been marked deleted */
216 UID_EXPUNGED= 3 /**< this message has been expunged */
223 struct method /* describe methods for protocol state machine */
225 const char *name; /* protocol name */
226 const char *service; /* service port (unencrypted) */
227 const char *sslservice; /* service port (SSL) */
228 flag tagged; /* if true, generate & expect command tags */
229 flag delimited; /* if true, accept "." message delimiter */
230 int (*parse_response)(int, char *);
231 /* response_parsing function */
232 int (*getauth)(int, struct query *, char *);
233 /* authorization fetcher */
234 int (*getrange)(int, struct query *, const char *, int *, int *, int *);
235 /* get message range to fetch */
236 int (*getsizes)(int, int, int *);
237 /* get sizes of messages */
238 int (*getpartialsizes)(int, int, int, int *);
239 /* get sizes of subset of messages */
240 int (*is_old)(int, struct query *, int);
241 /* check for old message */
242 int (*fetch_headers)(int, struct query *, int, int *);
243 /* fetch header from a given message */
244 int (*fetch_body)(int, struct query *, int, int *);
245 /* fetch a given message */
246 int (*trail)(int, struct query *, const char *);
247 /* eat trailer of a message */
248 int (*delete_msg)(int, struct query *, int);
250 int (*mark_seen)(int, struct query *, int);
251 /* mark as seen method */
252 int (*end_mailbox_poll)(int, struct query *);
253 /* end-of-mailbox processing */
254 int (*logout_cmd)(int, struct query *);
256 flag retry; /* can getrange poll for new messages? */
259 enum badheader { BHREJECT = 0, BHACCEPT };
261 struct hostdata /* shared among all user connections to given server */
264 char *pollname; /* poll label of host */
265 char *via; /* "true" server name if non-NULL */
266 struct idlist *akalist; /* server name first, then akas */
267 struct idlist *localdomains; /* list of pass-through domains */
268 int protocol; /* protocol type */
269 const char *service; /* service name */
270 int interval; /* # cycles to skip between polls */
271 int authenticate; /* authentication mode to try */
272 int timeout; /* inactivity timout in seconds */
273 char *envelope; /* envelope address list header */
274 int envskip; /* skip to numbered envelope header */
275 char *qvirtual; /* prefix removed from local user id */
276 flag skip; /* suppress poll in implicit mode? */
277 flag dns; /* do DNS lookup on multidrop? */
278 flag uidl; /* use RFC1725 UIDLs? */
280 flag sdps; /* use Demon Internet SDPS *ENV */
281 #endif /* SDPS_ENABLE */
282 flag checkalias; /* resolve aliases by comparing IPs? */
283 flag tracepolls; /* if TRUE, add poll trace info to Received */
284 char *principal; /* Kerberos principal for mail service */
285 char *esmtp_name, *esmtp_password; /* ESMTP AUTH information */
286 enum badheader badheader; /* bad-header {pass|reject} */
288 #if defined(linux) || defined(__FreeBSD__)
296 struct interface_pair_s *interface_pair;
299 char *plugin,*plugout;
301 /* computed for internal use */
302 const struct method *base_protocol; /* relevant protocol method table */
303 int poll_count; /* count of polls so far */
304 char *queryname; /* name to attempt DNS lookup on */
305 char *truename; /* "true name" of server host */
306 struct sockaddr *trueaddr; /* IP address of truename */
307 size_t trueaddr_len; /* size of trueaddr data */
308 struct hostdata *lead_server; /* ptr to lead query for this server */
310 int workarounds; /* track which workarounds the user was warned about */
314 * bit flags to set in workarounds after the corresponding warning,
315 * which we assume to be server-specific, has been printed,
316 * so we don't spam our users in daemon mode.
318 #define WKA_TOP (1L << 0) /* Maillennium TOP -> RETR override warning */
322 /* mailserver connection controls */
323 struct hostdata server;
326 struct idlist *localnames; /* including calling user's name */
327 int wildcard; /* should unmatched names be passed through */
328 char *remotename; /* remote login name to use */
329 char *password; /* remote password to use */
330 struct idlist *mailboxes; /* list of mailboxes to check */
332 /* per-forwarding-target data */
333 struct idlist *smtphunt; /* list of SMTP hosts to try forwarding to */
334 struct idlist *domainlist; /* domainlist to fetch from */
335 char *smtpaddress; /* address to force in RCPT TO */
336 char *smtpname; /* full RCPT TO name, including domain */
337 struct idlist *antispam; /* list of listener's antispam response */
338 const char *mda; /* local MDA to pass mail to */
339 char *bsmtp; /* BSMTP output file */
340 char listener; /* what's the listener's wire protocol? */
341 #define SMTP_MODE 'S'
342 #define LMTP_MODE 'L'
343 char *preconnect; /* pre-connection command to execute */
344 char *postconnect; /* post-connection command to execute */
346 /* per-user control flags */
347 flag keep; /* if TRUE, leave messages undeleted */
348 flag fetchall; /* if TRUE, fetch all (not just unseen) */
349 flag flush; /* if TRUE, delete messages already seen */
350 flag limitflush; /* if TRUE, delete oversized mails */
351 flag rewrite; /* if TRUE, canonicalize recipient addresses */
352 flag stripcr; /* if TRUE, strip CRs in text */
353 flag forcecr; /* if TRUE, force CRs before LFs in text */
354 flag pass8bits; /* if TRUE, ignore Content-Transfer-Encoding */
355 flag dropstatus; /* if TRUE, drop Status lines in mail */
356 flag dropdelivered; /* if TRUE, drop Delivered-To lines in mail */
357 flag mimedecode; /* if TRUE, decode MIME-armored messages */
358 flag idle; /* if TRUE, idle after each poll */
359 int limit; /* limit size of retrieved messages */
360 int warnings; /* size warning interval */
361 int fetchlimit; /* max # msgs to get in single poll */
362 int fetchsizelimit; /* max # msg sizes to get in a request */
363 int fastuidl; /* do binary search for new UIDLs? */
364 int fastuidlcount; /* internal count for frequency of binary search */
365 int batchlimit; /* max # msgs to pass in single SMTP session */
366 int expunge; /* max # msgs to pass between expunges */
367 flag use_ssl; /* use SSL encrypted session */
368 char *sslkey; /* optional SSL private key file */
369 char *sslcert; /* optional SSL certificate file */
370 char *sslproto; /** force transport protocol (ssl2|ssl3|ssl23|tls1) - if NULL,
371 use ssl23 for SSL and opportunistic tls1 for non-SSL connections. */
372 char *sslcertfile; /* Trusted certificate file for checking the server cert */
373 char *sslcertpath; /* Trusted certificate directory for checking the server cert */
374 flag sslcertck; /* Strictly check the server cert. */
375 char *sslcommonname; /* CommonName to expect from server */
376 char *sslfingerprint; /* Fingerprint to check against */
377 char *properties; /* passthrough properties for extensions */
379 /* internal use -- per-poll state */
380 flag active; /* should we actually poll this server? */
381 char *destaddr; /* destination host for this query */
382 int errcount; /* count transient errors in last pass */
383 int authfailcount; /* count of authorization failures */
384 int wehaveauthed; /* We've managed to logon at least once! */
385 int wehavesentauthnote; /* We've sent an authorization failure note */
386 int wedged; /* wedged by auth failures or timeouts? */
387 char *smtphost; /* actual SMTP host we connected to */
388 char smtphostmode; /* what's the actual SMTP host's wire protocol? */
389 int smtp_socket; /* socket descriptor for SMTP connection */
390 unsigned int uid; /* UID of user to deliver to */
391 struct idlist *skipped; /* messages skipped on the mail server */
392 struct idlist *oldsaved, *newsaved;
393 struct idlist **oldsavedend;
394 char lastdigest[DIGESTLEN]; /* last MD5 hash seen on this connection */
395 char *folder; /* folder currently being polled */
397 /* internal use -- per-message state */
398 int mimemsg; /* bitmask indicating MIME body-type */
399 unsigned char digest[DIGESTLEN]; /* md5 digest buffer */
401 /* internal use -- housekeeping */
402 struct query *next; /* next query control block in chain */
405 struct msgblk /** message header parsed for open_sink() */
407 char *headers; /**< raw message headers */
408 struct idlist *recipients; /**< addressees */
409 char return_path[HOSTLEN + USERNAMELEN + 4]; /**< envelope sender */
416 * Numeric option handling. Numeric option value of zero actually means
417 * it's unspecified. Value less than zero is zero. The reason for this
418 * screwy encoding is so we can zero out an option block in order to set the
419 * numeric flags in it to unspecified.
421 #define NUM_VALUE_IN(n) (((n) == 0) ? -1 : (n))
422 #define NUM_VALUE_OUT(n) (((n) < 0) ? 0 : (n))
423 #define NUM_NONZERO(n) ((n) > 0)
424 #define NUM_ZERO(n) ((n) < 0)
425 #define NUM_SPECIFIED(n) ((n) != 0)
427 #define MULTIDROP(ctl) ((ctl)->wildcard || \
428 ((ctl)->localnames && (ctl)->localnames->next))
431 * Note: tags are generated with an a%04d format from a 1-origin
432 * integer sequence number. Length 4 permits transaction numbers
433 * up to 9999, so we force rollover with % 10000. There's no special
434 * reason for this format other than to look like the exmples in the
437 #define TAGLEN 6 /* 'a' + 4 digits + NUL */
438 extern char tag[TAGLEN];
441 /* list of hosts assembled from run control file and command line */
442 extern struct query cmd_opts, *querylist;
444 /* what's returned by envquery */
445 extern void envquery(int, char **);
447 /* controls the detail level of status/progress messages written to stderr */
448 extern int outlevel; /* see the O_.* constants above */
449 extern int yydebug; /* enable parse debugging */
451 /* these get computed */
452 extern int batchcount; /* count of messages sent in current batch */
453 extern flag peek_capable; /* can we read msgs without setting seen? */
455 /* miscellaneous global controls */
456 extern struct runctl run; /* global controls for this run */
457 extern flag nodetach; /* if TRUE, don't detach daemon process */
458 extern flag quitmode; /* if --quit was set */
459 extern int quitind; /* optind after position of last --quit option */
460 extern flag check_only; /* if --check was set */
461 extern char *rcfile; /* path name of rc file */
462 extern int linelimit; /* limit # lines retrieved per site */
463 extern flag versioninfo; /* emit only version info */
464 extern char *user; /* name of invoking user */
465 extern char *home; /* home directory of invoking user */
466 extern char *fmhome; /* fetchmail home directory */
467 extern int pass; /* number of re-polling pass */
468 extern flag configdump; /* dump control blocks as Python dictionary */
469 extern const char *fetchmailhost; /* either "localhost" or an FQDN */
470 extern int suppress_tags; /* suppress tags in tagged protocols? */
471 extern char shroud[PASSWORDLEN*2+3]; /* string to shroud in debug output */
473 extern char *sdps_envfrom;
474 extern char *sdps_envto;
475 #endif /* SDPS_ENABLE */
477 extern const char *iana_charset; /* IANA assigned charset name */
479 /* from/for ucs/norm_charmap.c */
480 #include "ucs/norm_charmap.h"
482 /* prototypes for globally callable functions */
484 /* from /usr/include/sys/cdefs.h */
485 #if !defined __GNUC__ || __GNUC__ < 2
486 # define __attribute__(xyz) /* Ignore. */
489 /* error.c: Error reporting */
490 #if defined(HAVE_STDARG_H)
491 void report_init(int foreground);
492 /** Flush partial message, suppress program name tag for next report printout. */
493 void report_flush(FILE *fp);
494 void report (FILE *fp, const char *format, ...)
495 __attribute__ ((format (printf, 2, 3)))
497 void report_build (FILE *fp, const char *format, ...)
498 __attribute__ ((format (printf, 2, 3)))
500 void report_complete (FILE *fp, const char *format, ...)
501 __attribute__ ((format (printf, 2, 3)))
503 void report_at_line (FILE *fp, int, const char *, unsigned int, const char *, ...)
504 __attribute__ ((format (printf, 5, 6)))
508 void report_build ();
509 void report_complete ();
510 void report_at_line ();
513 /* driver.c -- main driver loop */
514 void set_timeout(int);
515 int is_idletimeout(void);
516 void resetidletimeout(void);
517 int do_protocol(struct query *, const struct method *);
519 /* transact.c: transaction support */
520 /** \ingroup gen_recv_split
521 * Data structure to cache data between \func gen_recv_split calls,
522 * must be initialized before use by calling \func gen_recv_split_init. */
525 char prefix[100]; /**< prefix to match/repeat when splitting lines */
526 int cached; /**< flag to record if we have data cached in \a buf */
527 char buf[MSGBUFSIZE]; /**< buffer for cached data */
530 void init_transact(const struct method *);
531 int readheaders(int sock,
536 flag *suppress_readbody);
537 int readbody(int sock, struct query *ctl, flag forward, int len);
538 #if defined(HAVE_STDARG_H)
539 void gen_send(int sock, const char *, ... )
540 __attribute__ ((format (printf, 2, 3)))
542 int gen_recv(int sock, char *buf, int size);
543 void gen_recv_split_init(const char *prefix, struct RecvSplit *rs);
544 int gen_recv_split(int sock, char *buf, int size, struct RecvSplit *rs);
545 int gen_transact(int sock, const char *, ... )
546 __attribute__ ((format (printf, 2, 3)))
551 void gen_recv_split_init();
552 int gen_recv_split();
555 extern struct msgblk msgblk;
557 /* use these to track what was happening when the nonresponse timer fired */
558 #define GENERAL_WAIT 0 /* unknown wait type */
559 #define OPEN_WAIT 1 /* waiting from mailserver open */
560 #define SERVER_WAIT 2 /* waiting for mailserver response */
561 #define LISTENER_WAIT 3 /* waiting for listener initialization */
562 #define FORWARDING_WAIT 4 /* waiting for listener response */
565 /* response hooks can use this to identify the query stage */
566 #define STAGE_GETAUTH 0
567 #define STAGE_GETRANGE 1
568 #define STAGE_GETSIZES 2
569 #define STAGE_FETCH 3
571 #define STAGE_LOGOUT 5
574 extern int mytimeout;
576 /* mark values for name lists */
577 #define XMIT_ACCEPT 1 /* accepted; matches local domain or name */
578 #define XMIT_REJECT 2 /* rejected; no match */
579 #define XMIT_RCPTBAD 3 /* SMTP listener rejected the name */
582 int interruptible_idle(int interval);
583 extern volatile int lastsig;
585 /* sink.c: forwarding */
586 void smtp_close(struct query *, int);
587 int smtp_open(struct query *);
588 int smtp_setup(struct query *);
589 char *rcpt_address(struct query *, const char *, int);
590 int stuffline(struct query *, char *);
591 int open_sink(struct query*, struct msgblk *, int*, int*);
592 void release_sink(struct query *);
593 int close_sink(struct query *, struct msgblk *, flag);
594 int open_warning_by_mail(struct query *);
595 #if defined(HAVE_STDARG_H)
596 void stuff_warning(const char *, struct query *, const char *, ... )
597 __attribute__ ((format (printf, 3, 4)))
600 void stuff_warning();
602 void close_warning_by_mail(struct query *, struct msgblk *);
604 /* rfc822.c: RFC822 header parsing */
605 char *reply_hack(char *, const char *, size_t *);
606 char *nxtaddr(const char *);
608 /* uid.c: UID support */
609 extern int dofastuidl;
610 void initialize_saved_lists(struct query *hostlist, const char *idfile);
611 void expunge_uids(struct query *ctl);
612 void uid_swap_lists(struct query *ctl);
613 void uid_discard_new_list(struct query *ctl);
614 void uid_reset_num(struct query *ctl);
615 void write_saved_lists(struct query *hostlist, const char *idfile);
618 struct idlist *save_str(struct idlist **idl, const char *str, flag status);
619 void free_str_list(struct idlist **idl);
620 void save_str_pair(struct idlist **idl, const char *str1, const char *str2);
621 struct idlist *str_in_list(struct idlist **idl, const char *str, const flag caseblind);
622 int str_nr_in_list(struct idlist **idl, const char *str);
623 int str_nr_last_in_list(struct idlist **idl, const char *str);
624 void str_set_mark(struct idlist **idl, const char *str, const flag val);
625 int count_list(struct idlist **idl);
626 char *str_from_nr_list(struct idlist **idl, long number);
627 char *str_find(struct idlist **idl, long number);
628 struct idlist *id_find(struct idlist **idl, long number);
629 char *idpair_find(struct idlist **idl, const char *id);
630 int delete_str(struct idlist **idl, long num);
631 struct idlist *copy_str_list(struct idlist *idl);
632 void append_str_list(struct idlist **idl, struct idlist **nidl);
635 int prc_parse_file(const char *, const flag);
636 int prc_filecheck(const char *, const flag);
639 void to64frombits(char *, const void *, int);
640 int from64tobits(void *, const char *, int maxlen);
643 /* Bit-mask returned by MimeBodyType */
644 #define MSG_IS_7BIT 0x01
645 #define MSG_IS_8BIT 0x02
646 #define MSG_NEEDS_DECODE 0x80
647 extern void UnMimeHeader(char *buf);
648 extern int MimeBodyType(char *hdrs, int WantDecode);
649 extern int UnMimeBodyline(char **buf, flag delimited, flag issoftline);
652 void interface_init(void);
653 void interface_parse(char *, struct hostdata *);
654 void interface_note_activity(struct hostdata *);
655 int interface_approve(struct hostdata *, flag domonitor);
659 /* protocol driver and methods */
660 int doPOP2 (struct query *);
661 int doPOP3 (struct query *);
662 int doIMAP (struct query *);
663 int doETRN (struct query *);
664 int doODMR (struct query *);
666 /* authentication functions */
667 int do_cram_md5(int sock, const char *command, struct query *ctl, const char *strip);
668 int do_rfc1731(int sock, const char *command, const char *truename);
669 int check_gss_creds(const char *service, const char *hostname);
670 int do_gssauth(int sock, const char *command, const char *service, const char *hostname, const char *username);
671 int do_otp(int sock, const char *command, struct query *ctl);
675 /* these should be of size PATH_MAX */
676 extern char currentwd[1024], rcfiledir[1024];
678 struct query *hostalloc(struct query *);
679 int parsecmdline (int, char **, struct runctl *, struct query *);
680 char *prependdir (const char *, const char *);
681 char *MD5Digest (unsigned const char *);
682 void hmac_md5 (const unsigned char *, size_t, const unsigned char *, size_t, unsigned char *, size_t);
683 int POP3_auth_rpa(char *, char *, int socket);
684 typedef RETSIGTYPE (*SIGHANDLERTYPE) (int);
685 void deal_with_sigchld(void);
686 RETSIGTYPE null_signal_handler(int sig);
687 SIGHANDLERTYPE set_signal_handler(int sig, SIGHANDLERTYPE handler);
688 int daemonize(const char *);
689 char *fm_getpassword(char *);
690 void escapes(const char *, char *);
691 char *visbuf(const char *);
692 const char *showproto(int);
693 void dump_config(struct runctl *runp, struct query *querylist);
694 int is_host_alias(const char *, struct query *, struct addrinfo **);
696 extern struct addrinfo *ai0, *ai1;
698 /** Try to obtain fully qualified hostname of current host. Exit with
699 * PS_DNS if \a required is true and there is a DNS error. Exit with
700 * PS_DNS if gethostname() fails, independent of the value of \a
703 * - fully qualified hostname if \a required is non-zero.
704 * - unqualified or fully qualified hostname if \a required is zero (0).
706 char *host_fqdn(int required /** exit with PS_DNS if the name cannot be qualified */);
707 char *rfc822timestamp(void);
709 char *rfc2047e(const char*, const char *);
711 void yyerror(const char *);
715 void itimerthread(void*);
716 /* Have to include these first to avoid errors from redefining getcwd
717 and chdir. They're re-include protected in EMX, so it's okay, I
721 /* Redefine getcwd and chdir to get drive-letter support so we can
722 find all of our lock files and stuff. */
723 #define getcwd _getcwd2
724 #define chdir _chdir2
728 # if !defined(strerror) && !defined(HAVE_DECL_STRERROR) /* On some systems, strerror is a macro */
729 char *strerror (int);
731 #endif /* HAVE_STRERROR */
733 #define STRING_DISABLED (char *)-1
734 #define STRING_DUMMY ""
738 #define S_IXGRP 0000010
743 char *stpcpy(char *, const char*);
748 #else /* !__CYGWIN__ */
750 #endif /* __CYGWIN__ */
752 extern int mailserver_socket_temp;
753 extern const char *program_name;
755 /* POSIX space characters,
756 * <tab>;<newline>;<vertical-tab>;<form-feed>;<carriage-return>;<space> */
757 #define POSIX_space "\t\n\v\f\r "
759 /** Resolve the a TCP service name or a string containing only a decimal
760 * positive integer to a port number. Returns -1 for error. */
761 int servport(const char *service);
763 #ifndef HAVE_GETNAMEINFO
764 # define NI_NUMERICHOST 1
765 # define NI_NUMERICSERV 2
767 # define NI_NAMEREQD 8
771 int fm_getaddrinfo(const char *node, const char *serv, const struct addrinfo *hints, struct addrinfo **res);
772 void fm_freeaddrinfo(struct addrinfo *ai);
774 /* prototypes from tls.c */
775 int maybe_tls(struct query *ctl);
776 int must_tls(struct query *ctl);
778 /* prototype from rfc822valid.c */
779 int rfc822_valid_msgid(const unsigned char *);
781 /* prototype from x509_name_match.c */
782 int name_match(const char *p1, const char *p2);
784 /* prototype from ntlmsubr.c */
786 int ntlm_helper(int sock, struct query *ctl, const char *protocol);
789 /* macro to determine if we want to spam progress to stdout */
790 #define want_progress() \
791 ((outlevel >= O_VERBOSE || (outlevel > O_SILENT && run.showdots)) \
793 && (run.showdots || !is_a_file(1)))
796 /* fetchmail.h ends here */