fetchmail - [fork] set imap idle timeout to 600s, some servers don't follow rfc recommendations

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Diffstat (limited to 'm4-local/autobuild.m4')

0 files changed, 0 insertions, 0 deletions

/* * For license terms, see the file COPYING in this directory. */ /* We need this for HAVE_STDARG_H, etc */ #include "config.h" /* constants designating the various supported protocols */ #define P_AUTO 1 #define P_POP2 2 #define P_POP3 3 #define P_IMAP 4 #define P_IMAP_K4 5 #define P_IMAP_GSS 6 #define P_APOP 7 #define P_RPOP 8 #define P_ETRN 9 #if INET6 #define SMTP_PORT "smtp" #define KPOP_PORT "kpop" #else /* INET6 */ #define SMTP_PORT 25 #define KPOP_PORT 1109 #endif /* INET6 */ /* preauthentication types */ #define A_PASSWORD 0 /* password or inline authentication */ #define A_KERBEROS_V4 1 /* preauthenticate w/ Kerberos V4 */ #define A_KERBEROS_V5 2 /* preauthenticate w/ Kerberos V5 */ /* * Definitions for buffer sizes. We get little help on setting maxima * from IMAP RFCs up to 2060, so these are mostly from POP3. */ #define HOSTLEN 635 /* max hostname length (RFC1123) */ #define POPBUFSIZE 512 /* max length of response (RFC1939) */ #define IDLEN 128 /* max length of UID (RFC1939) */ /* per RFC1939 this should be 40, but Microsoft Exchange ignores that limit */ #define USERNAMELEN 128 /* max POP3 arg length */ /* clear a netBSD kernel parameter out of the way */ #undef MSGBUFSIZE /* * The RFC822 limit on message line size is just 998. But * make this *way* oversized; idiot DOS-world mailers that * don't line-wrap properly often ship entire paragraphs as * lines. */ #define MSGBUFSIZE 8192 #define PASSWORDLEN 64 /* max password length */ #define DIGESTLEN 33 /* length of MD5 digest */ /* exit code values */ #define PS_SUCCESS 0 /* successful receipt of messages */ #define PS_NOMAIL 1 /* no mail available */ #define PS_SOCKET 2 /* socket I/O woes */ #define PS_AUTHFAIL 3 /* user authorization failed */ #define PS_PROTOCOL 4 /* protocol violation */ #define PS_SYNTAX 5 /* command-line syntax error */ #define PS_IOERR 6 /* bad permissions on rc file */ #define PS_ERROR 7 /* protocol error */ #define PS_EXCLUDE 8 /* client-side exclusion error */ #define PS_LOCKBUSY 9 /* server responded lock busy */ #define PS_SMTP 10 /* SMTP error */ #define PS_DNS 11 /* fatal DNS error */ #define PS_BSMTP 12 /* output batch could not be opened */ /* leave space for more codes */ #define PS_UNDEFINED 23 /* something I hadn't thought of */ #define PS_TRANSIENT 24 /* transient failure (internal use) */ #define PS_REFUSED 25 /* mail refused (internal use) */ #define PS_RETAINED 26 /* message retained (internal use) */ #define PS_TRUNCATED 27 /* headers incomplete (internal use) */ /* output noise level */ #define O_SILENT 0 /* mute, max squelch, etc. */ #define O_NORMAL 1 /* user-friendly */ #define O_VERBOSE 2 /* chatty */ #define O_DEBUG 3 /* prolix */ #define O_MONITOR O_VERBOSE #define SIZETICKER 1024 /* print 1 dot per this many bytes */ /* * We #ifdef this and use flag rather than bool * to avoid a type clash with curses.h */ #ifndef TRUE #define FALSE 0 #define TRUE 1 #endif /* TRUE */ typedef char flag; /* we need to use zero as a flag-uninitialized value */ #define FLAG_TRUE 2 #define FLAG_FALSE 1 struct runctl { char *logfile; char *idfile; int poll_interval; flag use_syslog; flag invisible; char *postmaster; }; struct idlist { char *id; union { struct { short num; flag mark; /* UID-index information */ #define UID_UNSEEN 0 /* hasn't been seen */ #define UID_SEEN 1 /* seen, but not deleted */ #define UID_DELETED 2 /* this message has been deleted */ #define UID_EXPUNGED 3 /* this message has been expunged */ } status; char *id2; } val; struct idlist *next; }; struct query; struct method /* describe methods for protocol state machine */ { const char *name; /* protocol name */ #if INET6 const char *service; #else /* INET6 */ int port; /* service port */ #endif /* INET6 */ flag tagged; /* if true, generate & expect command tags */ flag delimited; /* if true, accept "." message delimiter */ int (*parse_response)(int, char *); /* response_parsing function */ int (*password_canonify)(char *, char *); /* canonicalize password */ int (*getauth)(int, struct query *, char *); /* authorization fetcher */ int (*getrange)(int, struct query *, const char *, int *, int *, int *); /* get message range to fetch */ int (*getsizes)(int, int, int *); /* get sizes of messages */ int (*is_old)(int, struct query *, int); /* check for old message */ int (*fetch_headers)(int, struct query *, int, int *); /* fetch FROM headera given message */ int (*fetch_body)(int, struct query *, int, int *); /* fetch a given message */ int (*trail)(int, struct query *, int); /* eat trailer of a message */ int (*delete)(int, struct query *, int); /* delete method */ int (*logout_cmd)(int, struct query *); /* logout command */ flag retry; /* can getrange poll for new messages? */ }; struct hostdata /* shared among all user connections to given server */ { /* rc file data */ char *pollname; /* poll label of host */ char *via; /* "true" server name if non-NULL */ struct idlist *akalist; /* server name first, then akas */ struct idlist *localdomains; /* list of pass-through domains */ int protocol; /* protocol type */ #if INET6 char *service; /* IPv6 service name */ void *netsec; /* IPv6 security request */ #else /* INET6 */ int port; /* TCP/IP service port number */ #endif /* INET6 */ int interval; /* # cycles to skip between polls */ int preauthenticate; /* preauthentication mode to try */ int timeout; /* inactivity timout in seconds */ char *envelope; /* envelope address list header */ int envskip; /* skip to numbered envelope header */ char *qvirtual; /* prefix removed from local user id */ flag skip; /* suppress poll in implicit mode? */ flag dns; /* do DNS lookup on multidrop? */ flag uidl; /* use RFC1725 UIDLs? */ #ifdef SDPS_ENABLE flag sdps; /* use Demon Internet SDPS *ENV */ #endif /* SDPS_ENABLE */ flag checkalias; /* resolve aliases by comparing IPs? */ #ifdef linux char *interface; char *monitor; int monitor_io; struct interface_pair_s *interface_pair; #endif /* linux */ char *plugin,*plugout; /* computed for internal use */ const struct method *base_protocol; /* relevant protocol method table */ int poll_count; /* count of polls so far */ char *queryname; /* name to attempt DNS lookup on */ char *truename; /* "true name" of server host */ struct hostdata *lead_server; /* ptr to lead query for this server */ int esmtp_options; }; struct query { /* mailserver connection controls */ struct hostdata server; /* per-user data */ struct idlist *localnames; /* including calling user's name */ int wildcard; /* should unmatched names be passed through */ char *remotename; /* remote login name to use */ char *password; /* remote password to use */ struct idlist *mailboxes; /* list of mailboxes to check */ /* per-forwarding-target data */ struct idlist *smtphunt; /* list of SMTP hosts to try forwarding to */ char *smtpaddress; /* address to force in RCPT TO */ struct idlist *antispam; /* list of listener's antispam response */ char *mda; /* local MDA to pass mail to */ char *bsmtp; /* BSMTP output file */ char listener; /* what's the listener's wire protocol? */ #define SMTP_MODE 'S' #define LMTP_MODE 'L' char *preconnect; /* pre-connection command to execute */ char *postconnect; /* post-connection command to execute */ /* per-user control flags */ flag keep; /* if TRUE, leave messages undeleted */ flag fetchall; /* if TRUE, fetch all (not just unseen) */ flag flush; /* if TRUE, delete messages already seen */ flag rewrite; /* if TRUE, canonicalize recipient addresses */ flag stripcr; /* if TRUE, strip CRs in text */ flag forcecr; /* if TRUE, force CRs before LFs in text */ flag pass8bits; /* if TRUE, ignore Content-Transfer-Encoding */ flag dropstatus; /* if TRUE, drop Status lines in mail */ flag mimedecode; /* if TRUE, decode MIME-armored messages */ int limit; /* limit size of retrieved messages */ int warnings; /* size warning interval */ int fetchlimit; /* max # msgs to get in single poll */ int batchlimit; /* max # msgs to pass in single SMTP session */ int expunge; /* max # msgs to pass between expunges */ char *properties; /* passthrough properties for extensions */ /* internal use -- per-poll state */ flag active; /* should we actually poll this server? */ const char *destaddr; /* destination host for this query */ int errcount; /* count transient errors in last pass */ int wedged; /* wedged by auth failures or timeouts? */ char *smtphost; /* actual SMTP host we connected to */ int smtp_socket; /* socket descriptor for SMTP connection */ unsigned int uid; /* UID of user to deliver to */ struct idlist *skipped; /* messages skipped on the mail server */ struct idlist *oldsaved, *newsaved; /* internal use -- per-message state */ int mimemsg; /* bitmask indicating MIME body-type */ char digest [DIGESTLEN]; /* md5 digest buffer */ /* internal use -- housekeeping */ struct query *next; /* next query control block in chain */ }; struct msgblk /* message header parsed for open_sink() */ { char *headers; /* raw message headers */ struct idlist *recipients; /* addressees */ char return_path[HOSTLEN + USERNAMELEN + 4]; int reallen; }; /* * Numeric option handling. Numeric option value of zero actually means * it's unspecified. Value less than zero is zero. */ #define NUM_VALUE(n) (((n) == 0) ? -1 : (n)) #define NUM_NONZERO(n) ((n) > 0) #define NUM_ZERO(n) ((n) < 0) #define NUM_SPECIFIED(n) ((n) != 0) #define MULTIDROP(ctl) (ctl->wildcard || \ ((ctl)->localnames && (ctl)->localnames->next)) /* * Note: tags are generated with an a%04d format from a 1-origin * integer sequence number. Length 4 permits transaction numbers * up to 9999, so we force rollover with % 10000. There's no special * reason for this format other than to look like the exmples in the * IMAP RFCs. */ #define TAGLEN 6 /* 'a' + 4 digits + NUL */ extern char tag[TAGLEN]; #define TAGMOD 10000 /* list of hosts assembled from run control file and command line */ extern struct query cmd_opts, *querylist; /* what's returned by envquery */ extern void envquery(int, char **); /* controls the detail level of status/progress messages written to stderr */ extern int outlevel; /* see the O_.* constants above */ extern int yydebug; /* enable parse debugging */ /* these get computed */ extern int batchcount; /* count of messages sent in current batch */ extern flag peek_capable; /* can we read msgs without setting seen? */ /* miscellaneous global controls */ extern struct runctl run; /* global controls for this run */ extern flag nodetach; /* if TRUE, don't detach daemon process */ extern flag quitmode; /* if --quit was set */ extern flag check_only; /* if --check was set */ extern char *rcfile; /* path name of rc file */ extern int linelimit; /* limit # lines retrieved per site */ extern flag versioninfo; /* emit only version info */ extern char *user; /* name of invoking user */ extern char *home; /* home directory of invoking user */ extern int pass; /* number of re-polling pass */ extern flag configdump; /* dump control blocks as Python dictionary */ extern const char *fetchmailhost; /* either "localhost" or an FQDN */ /* prototypes for globally callable functions */ /* error.c: Error reporting */ #if defined(HAVE_STDARG_H) void error_init(int foreground); void error (int status, int errnum, const char *format, ...); void error_build (const char *format, ...); void error_complete (int status, int errnum, const char *format, ...); void error_at_line (int, int, const char *, unsigned int, const char *, ...); #else void error (); void error_build (); void error_complete (); void error_at_line (); #endif /* driver.c: transaction support */ void set_timeout(int); #if defined(HAVE_STDARG_H) void gen_send (int sock, const char *, ... ); int gen_recv(int sock, char *buf, int size); int gen_transact (int sock, const char *, ... ); #else void gen_send (); int gen_recv(); int gen_transact (); #endif /* use these to track what was happening when the nonresponse timer fired */ #define GENERAL_WAIT 0 /* unknown wait type */ #define OPEN_WAIT 1 /* waiting from mailserver open */ #define SERVER_WAIT 2 /* waiting for mailserver response */ #define LISTENER_WAIT 3 /* waiting for listener initialization */ #define FORWARDING_WAIT 4 /* waiting for listener response */ extern int phase; /* mark values for name lists */ #define XMIT_ACCEPT 1 /* accepted; matches local domain or name */ #define XMIT_REJECT 2 /* rejected; no match */ #define XMIT_RCPTBAD 3 /* SMTP listener rejected the name */ /* sink.c: forwarding */ int stuffline(struct query *, char *); int open_sink(struct query*, struct msgblk *, int*, int*); void release_sink(struct query *); int close_sink(struct query *, struct msgblk *, flag); int open_warning_by_mail(struct query *, struct msgblk *); #if defined(HAVE_STDARG_H) void stuff_warning(struct query *, const char *, ... ); #else void stuff_warning(); #endif void close_warning_by_mail(struct query *, struct msgblk *); /* rfc822.c: RFC822 header parsing */ char *reply_hack(char *, const char *); char *nxtaddr(const char *); /* uid.c: UID support */ void initialize_saved_lists(struct query *, const char *); struct idlist *save_str(struct idlist **, const char *, flag); void free_str_list(struct idlist **); void save_str_pair(struct idlist **, const char *, const char *); void free_str_pair_list(struct idlist **); int delete_str(struct idlist **, int); int str_in_list(struct idlist **, const char *, const flag); int str_nr_in_list(struct idlist **, const char *); int str_nr_last_in_list(struct idlist **, const char *); void str_set_mark( struct idlist **, const char *, const flag); int count_list( struct idlist **idl ); char *str_from_nr_list( struct idlist **idl, int number ); char *str_find(struct idlist **, int); char *idpair_find(struct idlist **, const char *); void append_str_list(struct idlist **, struct idlist **); void expunge_uids(struct query *); void update_str_lists(struct query *); void write_saved_lists(struct query *, const char *); /* rcfile_y.y */ int prc_parse_file(const char *, const flag); int prc_filecheck(const char *, const flag); /* base64.c */ void to64frombits(unsigned char *, const unsigned char *, int); int from64tobits(char *, const char *); /* unmime.c */ /* Bit-mask returned by MimeBodyType */ #define MSG_IS_7BIT 0x01 #define MSG_IS_8BIT 0x02 #define MSG_NEEDS_DECODE 0x80 extern void UnMimeHeader(unsigned char *buf); extern int MimeBodyType(unsigned char *hdrs, int WantDecode); extern int UnMimeBodyline(unsigned char **buf, int collapsedoubledot); /* interface.c */ void interface_parse(char *, struct hostdata *); void interface_note_activity(struct hostdata *); int interface_approve(struct hostdata *); /* xmalloc.c */ #if defined(HAVE_VOIDPOINTER) #define XMALLOCTYPE void #else #define XMALLOCTYPE char #endif XMALLOCTYPE *xmalloc(int); XMALLOCTYPE *xrealloc(XMALLOCTYPE *, int); char *xstrdup(const char *); #if defined(HAVE_ALLOCA_H) #include <alloca.h> #else #ifdef _AIX #pragma alloca #endif #endif #define xalloca(ptr, t, n) if (!(ptr = (t) alloca(n))) error(PS_UNDEFINED, 0, "alloca failed") /* protocol driver and methods */ int do_protocol(struct query *, const struct method *); int doPOP2 (struct query *); int doPOP3 (struct query *); int doIMAP (struct query *); int doETRN (struct query *); /* miscellanea */ struct query *hostalloc(struct query *); int parsecmdline (int, char **, struct runctl *, struct query *); char *MD5Digest (unsigned char *); int POP3_auth_rpa(unsigned char *, unsigned char *, int socket); int daemonize(const char *, void (*)(int)); char *getpassword(char *); void escapes(const char *, char *); char *visbuf(const char *); const char *showproto(int); void dump_config(struct runctl *runp, struct query *querylist); int is_host_alias(const char *, struct query *); char *host_fqdn(void); char *rfc822timestamp(void); #ifdef SDPS_ENABLE char *sdps_envto; #endif /* SDPS_ENABLE */ void yyerror(const char *); int yylex(void); #ifdef __EMX__ void itimerthread(void*); /* Have to include these first to avoid errors from redefining getcwd and chdir. They're re-include protected in EMX, so it's okay, I guess. */ #include <stdlib.h> #include <unistd.h> /* Redefine getcwd and chdir to get drive-letter support so we can find all of our lock files and stuff. */ #define getcwd _getcwd2 #define chdir _chdir2 #endif #define STRING_DISABLED (char *)-1 #define STRING_DUMMY "" #ifdef NeXT #ifndef S_IXGRP #define S_IXGRP 0000010 #endif #endif /* fetchmail.h ends here */


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