X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=fetchmail.h;h=4560c6834c92b1fe582574750731edb1d8852e0b;hb=f16d8d23439b5569f0c2e1af22494708b507f277;hp=682dfff482ed47bcca5941b54b709c73bf89eb0d;hpb=33ee981f7123102a4686b4438abfcee3efe144ab;p=~andy%2Ffetchmail diff --git a/fetchmail.h b/fetchmail.h index 682dfff4..4560c683 100644 --- a/fetchmail.h +++ b/fetchmail.h @@ -1,48 +1,44 @@ +/** \file fetchmail.h header file for fetchmail */ #ifndef _FETCHMAIL_H #define _FETCHMAIL_H /* * For license terms, see the file COPYING in this directory. */ -/* We need this for HAVE_STDARG_H, etc */ #include "config.h" +#ifdef __NetBSD__ +#define _NETBSD_SOURCE 1 +#endif + +struct addrinfo; + /* We need this for size_t */ #include -/* We need this for time_t */ -#if TIME_WITH_SYS_TIME -# include -# include -#else -# if HAVE_SYS_TIME_H -# include -# else -# include -# endif -#endif +#include +#include +#include +#include #include -/* Import Trio if needed */ -#if !defined(HAVE_SNPRINTF) || !defined(HAVE_VSNPRINTF) -# include "trio/trio.h" -#endif +#include "fm_strl.h" + +#include "uid_db.h" -/* We need this for strstr */ -#if !defined(HAVE_STRSTR) && !defined(strstr) -char *strstr(const char *, const char *); +#ifdef HAVE_LIBPWMD +#include #endif -/* constants designating the various supported protocols */ -#define P_AUTO 1 -#define P_POP2 2 -#define P_POP3 3 -#define P_APOP 4 -#define P_RPOP 5 -#define P_IMAP 6 -#define P_ETRN 7 -#define P_ODMR 8 +/** constants designating the various supported protocols -- ordered */ +enum protocols { + P_AUTO = 1 /**< probe IMAP and POP3 - deprecated */, + P_POP3 /** POP3, including APOP and KPOP, RFC 1939 et al. */, + P_IMAP /** IMAP4, RFC 3501 */, + P_ETRN /** ETRN - SMTP Service Extension for Remote Message Queue Starting, "extended TURN", RFC 1985 */, + P_ODMR /** ODMR/ATRN - On-Demand Mail Relay SMTP with dynamic addresses/Authenticated TURN, RFC 2645 */ +}; #define SMTP_PORT "smtp" #define SMTP_PORT_NUM 25 @@ -60,19 +56,30 @@ char *strstr(const char *, const char *); */ #define MAILBOX_PROTOCOL(ctl) ((ctl)->server.protocol < P_ETRN) -/* authentication types */ -#define A_ANY 0 /* use the first method that works */ -#define A_PASSWORD 1 /* password authentication */ -#define A_NTLM 2 /* Microsoft NTLM protocol */ -#define A_CRAM_MD5 3 /* CRAM-MD5 shrouding (RFC2195) */ -#define A_OTP 4 /* One-time password (RFC1508) */ -#define A_KERBEROS_V4 5 /* authenticate w/ Kerberos V4 */ -#define A_KERBEROS_V5 6 /* authenticate w/ Kerberos V5 */ -#define A_GSSAPI 7 /* authenticate with GSSAPI */ -#define A_SSH 8 /* authentication at session level */ +/** authentication types */ +enum authenticators { + A_ANY = 0 /**< use the first method that works */, + A_PASSWORD /** password authentication */, + A_NTLM /** Microsoft NTLM protocol */, + A_CRAM_MD5 /** CRAM-MD5 shrouding (RFC2195) */, + A_OTP /** One-time password (RFC1508) */, + A_APOP /** POP3 APOP */, + A_KERBEROS_V5 /** authenticate w/ Kerberos V5 */, + A_GSSAPI /** authenticate with GSSAPI */, + A_SSH /** authentication at session level */, + A_MSN /** same as NTLM with keyword MSN */, + A_EXTERNAL /** external authentication (client cert) */ +}; -/* some protocols (KERBEROS, GSSAPI, SSH) don't require a password */ -#define NO_PASSWORD(ctl) ((ctl)->server.authenticate > A_OTP || (ctl)->server.protocol == P_ETRN) +/* some protocols or authentication types (KERBEROS, GSSAPI, SSH) don't + * require a password */ +#define NO_PASSWORD(ctl) \ + ((ctl)->server.authenticate == A_OTP \ + || (ctl)->server.authenticate == A_KERBEROS_V5 \ + || (ctl)->server.authenticate == A_GSSAPI \ + || (ctl)->server.authenticate == A_SSH \ + || (ctl)->server.authenticate == A_EXTERNAL \ + || (ctl)->server.protocol == P_ETRN) /* * Definitions for buffer sizes. We get little help on setting maxima @@ -101,6 +108,8 @@ char *strstr(const char *, const char *); #define DIGESTLEN 33 /* length of MD5 digest */ /* exit code values */ +/* NOTE THAT PS_SUCCESS MUST ALWAYS BE 0 - SOME PARTS OF THE CODE + * RELY ON THIS VALUE! */ #define PS_SUCCESS 0 /* successful receipt of messages */ #define PS_NOMAIL 1 /* no mail available */ #define PS_SOCKET 2 /* socket I/O woes */ @@ -121,9 +130,9 @@ char *strstr(const char *, const char *); #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) */ #define PS_REPOLL 28 /* repoll immediately with changed parameters (internal use) */ #define PS_IDLETIMEOUT 29 /* timeout on imap IDLE (internal use) */ +#define PS_UNTAGGED 30 /* untagged response on imap command (internal use) */ /* output noise level */ #define O_SILENT 0 /* mute, max squelch, etc. */ @@ -148,39 +157,54 @@ typedef char flag; #define FLAG_TRUE 2 #define FLAG_FALSE 1 +/** run control data */ struct runctl { - char *logfile; - char *idfile; - int poll_interval; - char *postmaster; + char *logfile; /** where to write log information */ + char *idfile; /** where to store UID data */ + char *pidfile; /** where to record the PID of daemon mode processes */ + const char *postmaster; + char *properties; +#ifdef HAVE_LIBPWMD + int pinentry_timeout; +#endif + int poll_interval; /** poll interval in seconds (daemon mode, 0 == off) */ flag bouncemail; flag spambounce; - char *properties; + flag softbounce; flag use_syslog; flag invisible; flag showdots; }; +/** \name idlist */ +/** Dual-use entry of singly-linked list for storing id/status or id/id2 + * pairs. */ struct idlist { - unsigned char *id; + char *id; /**< key */ union { struct { int 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 */ + flag mark; /**< UID-index information */ } - status; - unsigned char *id2; - } val; - struct idlist *next; + status; /**< value for id/status pairs */ + char *id2; /**< value for id/id2 pairs */ + } val; /**< union to store value for key \a id */ + struct idlist *next; /**< pointer to next list element */ +}; + +/** List of possible values for idlist::mark */ +enum { +UID_UNSEEN= 0, /**< id hasn't been seen */ +UID_SEEN= 1, /**< id was seen, but not deleted */ +UID_DELETED= 2, /**< this message has been marked deleted */ +UID_EXPUNGED= 3 /**< this message has been expunged */ }; +/*@}*/ + struct query; @@ -204,20 +228,27 @@ struct method /* describe methods for protocol state machine */ int (*is_old)(int, struct query *, int); /* check for old message */ int (*fetch_headers)(int, struct query *, int, int *); - /* fetch FROM headera given message */ + /* fetch header from a given message */ int (*fetch_body)(int, struct query *, int, int *); /* fetch a given message */ - int (*trail)(int, struct query *, int); + int (*trail)(int, struct query *, const char *); /* eat trailer of a message */ - int (*delete)(int, struct query *, int); + int (*delete_msg)(int, struct query *, int); /* delete method */ int (*mark_seen)(int, struct query *, int); /* mark as seen method */ + int (*end_mailbox_poll)(int, struct query *); + /* end-of-mailbox processing */ int (*logout_cmd)(int, struct query *); /* logout command */ flag retry; /* can getrange poll for new messages? */ }; +enum badheader { BHREJECT = 0, BHACCEPT }; + +/* Message retrieval error mode */ +enum retrieveerror { RE_ABORT = 0, RE_CONTINUE, RE_MARKSEEN }; + struct hostdata /* shared among all user connections to given server */ { /* rc file data */ @@ -235,7 +266,6 @@ struct hostdata /* shared among all user connections to given server */ 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 */ @@ -243,6 +273,8 @@ struct hostdata /* shared among all user connections to given server */ flag tracepolls; /* if TRUE, add poll trace info to Received */ char *principal; /* Kerberos principal for mail service */ char *esmtp_name, *esmtp_password; /* ESMTP AUTH information */ + enum badheader badheader; /* bad-header {pass|reject} */ + enum retrieveerror retrieveerror; /* retrieve-error (abort|continue|markseen) */ #if defined(linux) || defined(__FreeBSD__) #define CAN_MONITOR @@ -266,8 +298,16 @@ struct hostdata /* shared among all user connections to given server */ size_t trueaddr_len; /* size of trueaddr data */ struct hostdata *lead_server; /* ptr to lead query for this server */ int esmtp_options; + int workarounds; /* track which workarounds the user was warned about */ }; +/* + * bit flags to set in workarounds after the corresponding warning, + * which we assume to be server-specific, has been printed, + * so we don't spam our users in daemon mode. + */ +#define WKA_TOP (1L << 0) /* Maillennium TOP -> RETR override warning */ + struct query { /* mailserver connection controls */ @@ -280,13 +320,18 @@ struct query char *password; /* remote password to use */ struct idlist *mailboxes; /* list of mailboxes to check */ +#ifdef HAVE_LIBPWMD + char *pwmd_socket; /* socket to connect to */ + char *pwmd_file; /* file to open on the server */ +#endif + /* per-forwarding-target data */ struct idlist *smtphunt; /* list of SMTP hosts to try forwarding to */ struct idlist *domainlist; /* domainlist to fetch from */ char *smtpaddress; /* address to force in RCPT TO */ char *smtpname; /* full RCPT TO name, including domain */ struct idlist *antispam; /* list of listener's antispam response */ - char *mda; /* local MDA to pass mail to */ + const 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' @@ -318,41 +363,45 @@ struct query flag use_ssl; /* use SSL encrypted session */ char *sslkey; /* optional SSL private key file */ char *sslcert; /* optional SSL certificate file */ - char *sslproto; /* force usage of protocol (ssl2|ssl3|tls1) - defaults to ssl23 */ + char *sslproto; /** force transport protocol (ssl2|ssl3|ssl23|tls1) - if NULL, + use ssl23 for SSL and opportunistic tls1 for non-SSL connections. */ + char *sslcertfile; /* Trusted certificate file for checking the server cert */ char *sslcertpath; /* Trusted certificate directory for checking the server cert */ flag sslcertck; /* Strictly check the server cert. */ + char *sslcommonname; /* CommonName to expect from server */ char *sslfingerprint; /* Fingerprint to check against */ 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 */ + char *destaddr; /* destination host for this query */ int errcount; /* count transient errors in last pass */ int authfailcount; /* count of authorization failures */ int wehaveauthed; /* We've managed to logon at least once! */ int wehavesentauthnote; /* We've sent an authorization failure note */ int wedged; /* wedged by auth failures or timeouts? */ char *smtphost; /* actual SMTP host we connected to */ + char smtphostmode; /* what's the actual SMTP host's wire protocol? */ 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; - struct idlist **oldsavedend; + struct uid_db oldsaved, newsaved; char lastdigest[DIGESTLEN]; /* last MD5 hash seen on this connection */ + char *folder; /* folder currently being polled */ /* internal use -- per-message state */ int mimemsg; /* bitmask indicating MIME body-type */ - char digest[DIGESTLEN]; /* md5 digest buffer */ + unsigned 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() */ +struct msgblk /** message header parsed for open_sink() */ { - char *headers; /* raw message headers */ - struct idlist *recipients; /* addressees */ - char return_path[HOSTLEN + USERNAMELEN + 4]; + char *headers; /**< raw message headers */ + struct idlist *recipients; /**< addressees */ + char return_path[HOSTLEN + USERNAMELEN + 4]; /**< envelope sender */ int msglen; int reallen; }; @@ -370,8 +419,8 @@ struct msgblk /* message header parsed for open_sink() */ #define NUM_ZERO(n) ((n) < 0) #define NUM_SPECIFIED(n) ((n) != 0) -#define MULTIDROP(ctl) (ctl->wildcard || \ - ((ctl)->localnames && (ctl)->localnames->next)) +#define MULTIDROP(ctl) ((ctl)->wildcard || \ + ((ctl)->localnames && (ctl)->localnames->next)) /* * Note: tags are generated with an a%04d format from a 1-origin @@ -402,6 +451,7 @@ extern flag peek_capable; /* can we read msgs without setting seen? */ 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 int quitind; /* optind after position of last --quit option */ extern flag check_only; /* if --check was set */ extern char *rcfile; /* path name of rc file */ extern int linelimit; /* limit # lines retrieved per site */ @@ -411,7 +461,7 @@ extern char *home; /* home directory of invoking user */ extern char *fmhome; /* fetchmail home directory */ extern int pass; /* number of re-polling pass */ extern flag configdump; /* dump control blocks as Python dictionary */ -extern char *fetchmailhost; /* either "localhost" or an FQDN */ +extern const char *fetchmailhost; /* either "localhost" or an FQDN */ extern int suppress_tags; /* suppress tags in tagged protocols? */ extern char shroud[PASSWORDLEN*2+3]; /* string to shroud in debug output */ #ifdef SDPS_ENABLE @@ -421,19 +471,20 @@ extern char *sdps_envto; extern const char *iana_charset; /* IANA assigned charset name */ -/* from ucs/norm_charmap.c */ -const char *norm_charmap(const char *name); +/* from/for ucs/norm_charmap.c */ +#include "ucs/norm_charmap.h" /* prototypes for globally callable functions */ /* from /usr/include/sys/cdefs.h */ -#if !defined __GNUC__ || __GNUC__ < 2 +#if !defined __GNUC__ # define __attribute__(xyz) /* Ignore. */ #endif /* error.c: Error reporting */ -#if defined(HAVE_STDARG_H) void report_init(int foreground); + /** Flush partial message, suppress program name tag for next report printout. */ +void report_flush(FILE *fp); void report (FILE *fp, const char *format, ...) __attribute__ ((format (printf, 2, 3))) ; @@ -446,20 +497,24 @@ void report_complete (FILE *fp, const char *format, ...) void report_at_line (FILE *fp, int, const char *, unsigned int, const char *, ...) __attribute__ ((format (printf, 5, 6))) ; -#else -void report (); -void report_build (); -void report_complete (); -void report_at_line (); -#endif /* driver.c -- main driver loop */ void set_timeout(int); -int isidletimeout(void); +int is_idletimeout(void); void resetidletimeout(void); int do_protocol(struct query *, const struct method *); /* transact.c: transaction support */ +/** \ingroup gen_recv_split + * Data structure to cache data between \func gen_recv_split calls, + * must be initialized before use by calling \func gen_recv_split_init. */ +struct RecvSplit +{ + char prefix[100]; /**< prefix to match/repeat when splitting lines */ + int cached; /**< flag to record if we have data cached in \a buf */ + char buf[MSGBUFSIZE]; /**< buffer for cached data */ +}; + void init_transact(const struct method *); int readheaders(int sock, long fetchlen, @@ -468,29 +523,17 @@ int readheaders(int sock, int num, flag *suppress_readbody); int readbody(int sock, struct query *ctl, flag forward, int len); -#if defined(HAVE_STDARG_H) void gen_send(int sock, const char *, ... ) __attribute__ ((format (printf, 2, 3))) ; int gen_recv(int sock, char *buf, int size); +void gen_recv_split_init(const char *prefix, struct RecvSplit *rs); +int gen_recv_split(int sock, char *buf, int size, struct RecvSplit *rs); int gen_transact(int sock, const char *, ... ) __attribute__ ((format (printf, 2, 3))) ; -#else -void gen_send(); -int gen_recv(); -int gen_transact(); -#endif extern struct msgblk msgblk; -/* lock.c: concurrency locking */ -void lock_setup(void); -void lock_assert(void); -void lock_or_die(void); -void fm_lock_release(void); -int lock_state(void); -void lock_dispose(void); - /* 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 */ @@ -522,67 +565,65 @@ extern volatile int lastsig; /* sink.c: forwarding */ void smtp_close(struct query *, int); int smtp_open(struct query *); +int smtp_setup(struct query *); char *rcpt_address(struct query *, const char *, int); 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) +int open_warning_by_mail(struct query *); void stuff_warning(const char *, struct query *, const char *, ... ) __attribute__ ((format (printf, 3, 4))) ; -#else -void stuff_warning(); -#endif void close_warning_by_mail(struct query *, struct msgblk *); +void abort_message_sink(struct query *ctl); /* rfc822.c: RFC822 header parsing */ -unsigned char *reply_hack(unsigned char *, const unsigned char *, size_t *); -unsigned char *nxtaddr(const unsigned char *); +char *reply_hack(char *, const char *, size_t *); +char *nxtaddr(const char *); /* uid.c: UID support */ extern int dofastuidl; - -void initialize_saved_lists(struct query *, const char *); -struct idlist *save_str(struct idlist **, const char *, flag); -void free_str_list(struct idlist **); -struct idlist *copy_str_list(struct idlist *idl); -void save_str_pair(struct idlist **, const char *, const char *); -void free_str_pair_list(struct idlist **); -int delete_str(struct idlist **, long); -struct idlist *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, long number ); -char *str_find(struct idlist **, long); -struct idlist *id_find(struct idlist **idl, long); -char *idpair_find(struct idlist **, const char *); -void append_str_list(struct idlist **, struct idlist **); -void expunge_uids(struct query *); -void uid_swap_lists(struct query *); +void initialize_saved_lists(struct query *hostlist, const char *idfile); +void expunge_uids(struct query *ctl); +void uid_swap_lists(struct query *ctl); void uid_discard_new_list(struct query *ctl); void uid_reset_num(struct query *ctl); -void write_saved_lists(struct query *, const char *); +void write_saved_lists(struct query *hostlist, const char *idfile); + +/* idlist.c */ +struct idlist *save_str(struct idlist **idl, const char *str, flag status); +void free_str_list(struct idlist **idl); +void save_str_pair(struct idlist **idl, const char *str1, const char *str2); +struct idlist *str_in_list(struct idlist **idl, const char *str, const flag caseblind); +int str_nr_in_list(struct idlist **idl, const char *str); +int str_nr_last_in_list(struct idlist **idl, const char *str); +void str_set_mark(struct idlist **idl, const char *str, const flag val); +int count_list(struct idlist **idl); +char *str_from_nr_list(struct idlist **idl, long number); +char *str_find(struct idlist **idl, long number); +struct idlist *id_find(struct idlist **idl, long number); +char *idpair_find(struct idlist **idl, const char *id); +int delete_str(struct idlist **idl, long num); +struct idlist *copy_str_list(struct idlist *idl); +void append_str_list(struct idlist **idl, struct idlist **nidl); /* 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 *, int maxlen); +void to64frombits(char *, const void *, int); +int from64tobits(void *, const char *, int maxlen); /* 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, flag delimited, flag issoftline); +extern void UnMimeHeader(char *buf); +extern int MimeBodyType(char *hdrs, int WantDecode); +extern int UnMimeBodyline(char **buf, flag delimited, flag issoftline); /* interface.c */ void interface_init(void); @@ -590,29 +631,19 @@ void interface_parse(char *, struct hostdata *); void interface_note_activity(struct hostdata *); int interface_approve(struct hostdata *, flag domonitor); -/* xmalloc.c */ -#if defined(HAVE_VOIDPOINTER) -#define XMALLOCTYPE void -#else -#define XMALLOCTYPE char -#endif -XMALLOCTYPE *xmalloc(size_t); -XMALLOCTYPE *xrealloc(/*@null@*/ XMALLOCTYPE *, size_t); -#define xfree(p) { if (p) { free(p); } (p) = 0; } -char *xstrdup(const char *); +#include "xmalloc.h" /* protocol driver and methods */ -int doPOP2 (struct query *); int doPOP3 (struct query *); int doIMAP (struct query *); int doETRN (struct query *); int doODMR (struct query *); /* authentication functions */ -int do_cram_md5(int sock, char *command, struct query *ctl, char *strip); -int do_rfc1731(int sock, char *command, char *truename); -int do_gssauth(int sock, char *command, char *service, char *hostname, char *username); -int do_otp(int sock, char *command, struct query *ctl); +int do_cram_md5(int sock, const char *command, struct query *ctl, const char *strip); +int check_gss_creds(const char *service, const char *hostname); +int do_gssauth(int sock, const char *command, const char *service, const char *hostname, const char *username); +int do_otp(int sock, const char *command, struct query *ctl); /* miscellanea */ @@ -620,74 +651,48 @@ int do_otp(int sock, char *command, struct query *ctl); extern char currentwd[1024], rcfiledir[1024]; struct query *hostalloc(struct query *); -int parsecmdline (int, char **, struct runctl *, struct query *); +int parsecmdline (int, char **, struct runctl *, struct query *, flag *); char *prependdir (const char *, const char *); -char *MD5Digest (unsigned char *); -void hmac_md5 (unsigned char *, size_t, unsigned char *, size_t, unsigned char *, size_t); -int POP3_auth_rpa(unsigned char *, unsigned char *, int socket); -typedef RETSIGTYPE (*SIGHANDLERTYPE) (int); +char *MD5Digest (unsigned const char *); +void hmac_md5 (const unsigned char *, size_t, const unsigned char *, size_t, unsigned char *, size_t); +int POP3_auth_rpa(char *, char *, int socket); +typedef void (*SIGHANDLERTYPE) (int); void deal_with_sigchld(void); -RETSIGTYPE null_signal_handler(int sig); +void null_signal_handler(int sig); SIGHANDLERTYPE set_signal_handler(int sig, SIGHANDLERTYPE handler); -int daemonize(const char *, void (*)(int)); +int daemonize(const char *); char *fm_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); +int is_host_alias(const char *, struct query *, struct addrinfo **); + +extern struct addrinfo *ai0, *ai1; + +/** Try to obtain fully qualified hostname of current host. Exit with + * PS_DNS if \a required is true and there is a DNS error. Exit with + * PS_DNS if gethostname() fails, independent of the value of \a + * required. + * \return + * - fully qualified hostname if \a required is non-zero. + * - unqualified or fully qualified hostname if \a required is zero (0). + */ +char *host_fqdn(int required /** exit with PS_DNS if the name cannot be qualified */); char *rfc822timestamp(void); -flag isafile(int); +flag is_a_file(int); char *rfc2047e(const char*, const char *); 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 -#include -/* 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 /* _EMX_ */ - -# if HAVE_STRERROR -# ifndef strerror /* On some systems, strerror is a macro */ -char *strerror (int); -# endif -# endif /* HAVE_STRERROR */ - #define STRING_DISABLED (char *)-1 #define STRING_DUMMY "" -#ifdef NeXT -#ifndef S_IXGRP -#define S_IXGRP 0000010 -#endif -#endif - #ifndef HAVE_STPCPY char *stpcpy(char *, const char*); #endif -#ifdef FETCHMAIL_DEBUG -#define exit(e) do { \ - FILE *out; \ - out = fopen("/tmp/fetchmail.log", "a"); \ - fprintf(out, \ - "Exiting fetchmail from file %s, line %d with status %d\n", \ - __FILE__, __LINE__, e); \ - fclose(out); \ - _exit(e); \ - } while(0) -#endif /* FETCHMAIL_DEBUG */ - #ifdef __CYGWIN__ #define ROOT_UID 18 #else /* !__CYGWIN__ */ @@ -695,22 +700,12 @@ char *stpcpy(char *, const char*); #endif /* __CYGWIN__ */ extern int mailserver_socket_temp; -extern char *program_name; +extern const char *program_name; /* POSIX space characters, * ;;;;; */ #define POSIX_space "\t\n\v\f\r " -/* strlcpy/strlcat prototypes */ -#ifndef HAVE_STRLCAT -size_t -strlcat(char *dst, const char *src, size_t siz); -#endif -#ifndef HAVE_STRLCPY -size_t -strlcpy(char *dst, const char *src, size_t siz); -#endif - /** Resolve the a TCP service name or a string containing only a decimal * positive integer to a port number. Returns -1 for error. */ int servport(const char *service); @@ -723,5 +718,29 @@ int servport(const char *service); # define NI_DGRAM 16 #endif +int fm_getaddrinfo(const char *node, const char *serv, const struct addrinfo *hints, struct addrinfo **res); +void fm_freeaddrinfo(struct addrinfo *ai); + +/* prototypes from tls.c */ +int maybe_tls(struct query *ctl); +int must_tls(struct query *ctl); + +/* prototype from rfc822valid.c */ +int rfc822_valid_msgid(const unsigned char *); + +/* prototype from x509_name_match.c */ +int name_match(const char *p1, const char *p2); + +/* prototype from ntlmsubr.c */ +#ifdef NTLM_ENABLE +int ntlm_helper(int sock, struct query *ctl, const char *protocol); +#endif + +/* macro to determine if we want to spam progress to stdout */ +#define want_progress() \ + ((outlevel >= O_VERBOSE || (outlevel > O_SILENT && run.showdots)) \ + && !run.use_syslog \ + && (run.showdots || !is_a_file(1))) + #endif /* fetchmail.h ends here */