* 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 0
+#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 P_APOP 4
+#define P_RPOP 5
+#define P_IMAP 6
+#define P_IMAP_K4 7
+#define P_IMAP_GSS 8
+#define P_IMAP_CRAM_MD5 9
+#define P_IMAP_LOGIN 10
+#define P_ETRN 11
+
+#if INET6_ENABLE
+#define SMTP_PORT "smtp"
#define KPOP_PORT "kpop"
-#else /* INET6 */
+#else /* INET6_ENABLE */
+#define SMTP_PORT 25
#define KPOP_PORT 1109
-#endif /* INET6 */
+#endif /* INET6_ENABLE */
+
+#ifdef SSL_ENABLE
+#define SIMAP_PORT 993
+#define SPOP3_PORT 995
+#endif
/* 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 */
+#define A_SSH 3 /* preauthentication at session level */
/*
* Definitions for buffer sizes. We get little help on setting maxima
/* clear a netBSD kernel parameter out of the way */
#undef MSGBUFSIZE
-#define MSGBUFSIZE 2048 /* size of message read buffer */
+/*
+ * 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 NAMELEN 64 /* max username length */
#define PASSWORDLEN 64 /* max password length */
#define DIGESTLEN 33 /* length of MD5 digest */
#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_UNDEFINED 12 /* something I hadn't thought of */
-#define PS_TRANSIENT 13 /* transient failure (internal use) */
-#define PS_REFUSED 14 /* mail refused (internal use) */
-#define PS_RETAINED 15 /* message retained (internal use) */
-#define PS_TRUNCATED 16 /* headers incomplete (internal use) */
+#define PS_DNS 11 /* fatal DNS error */
+#define PS_BSMTP 12 /* output batch could not be opened */
+#define PS_MAXFETCH 13 /* poll ended by fetch limit */
+/* 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 /* excessive */
+#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 */
#define FLAG_TRUE 2
#define FLAG_FALSE 1
+struct runctl
+{
+ char *logfile;
+ char *idfile;
+ int poll_interval;
+ char *postmaster;
+ flag bouncemail;
+ char *properties;
+ flag use_syslog;
+ flag invisible;
+};
+
struct idlist
{
char *id;
struct idlist *next;
};
+struct query;
+
+struct method /* describe methods for protocol state machine */
+{
+ const char *name; /* protocol name */
+#if INET6_ENABLE
+ const char *service;
+ const char *sslservice;
+#else /* INET6_ENABLE */
+ int port; /* service port */
+ int sslport; /* service port for ssl */
+#endif /* INET6_ENABLE */
+ 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 *, int);
+ /* 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 */
struct idlist *akalist; /* server name first, then akas */
struct idlist *localdomains; /* list of pass-through domains */
int protocol; /* protocol type */
-#if INET6
+#if INET6_ENABLE
char *service; /* IPv6 service name */
void *netsec; /* IPv6 security request */
-#else /* INET6 */
+#else /* INET6_ENABLE */
int port; /* TCP/IP service port number */
-#endif /* INET6 */
+#endif /* INET6_ENABLE */
int interval; /* # cycles to skip between polls */
int preauthenticate; /* preauthentication mode to try */
int timeout; /* inactivity timout in seconds */
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
+#if defined(linux) || defined(__FreeBSD__)
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 */
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 *smtphost; /* actual SMTP host to point to */
- char *smtpaddress; /* address we want to force in the delivery messages */
- int antispam; /* listener's antispam response */
+ 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 */
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 */
+ flag idle; /* if TRUE, idle after each poll */
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 */
+ flag use_ssl; /* use SSL encrypted session */
+ char *sslkey; /* optional SSL private key file */
+ char *sslcert; /* optional SSL certificate file */
+ char *properties; /* passthrough properties for extensions */
- struct idlist *oldsaved, *newsaved;
-
- /* internal use */
+ /* 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 authfailcount; /* count of authorization failures */
+ 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;
+ char *lastid; /* last Message-ID seen on this connection */
+
+ /* 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.
+ * it's unspecified. Value less than zero is zero. The reason for this
+ * screwy encoding is so we can zero out an option block in order to set the
+ * numeric flags in it to unspecified.
*/
-#define NUM_VALUE(n) (((n) == 0) ? -1 : (n))
+#define NUM_VALUE_IN(n) (((n) == 0) ? -1 : (n))
+#define NUM_VALUE_OUT(n) (((n) < 0) ? 0 : (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))
-struct method
-{
- char *name; /* protocol name */
-#if INET6
- 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)(); /* response_parsing function */
- int (*getauth)(); /* authorization fetcher */
- int (*getrange)(); /* get message range to fetch */
- int (*getsizes)(); /* get sizes of messages */
- int (*is_old)(); /* check for old message */
- int (*fetch_headers)(); /* fetch FROM headera given message */
- int (*fetch_body)(); /* fetch a given message */
- int (*trail)(); /* eat trailer of a message */
- int (*delete)(); /* delete method */
- int (*logout_cmd)(); /* logout command */
- flag retry; /* can getrange poll for new messages? */
-};
-
/*
* Note: tags are generated with an a%04d format from a 1-origin
* integer sequence number. Length 4 permits transaction numbers
extern int outlevel; /* see the O_.* constants above */
extern int yydebug; /* enable parse debugging */
-/* daemon mode control */
-extern int poll_interval; /* poll interval in seconds */
-extern flag nodetach; /* if TRUE, don't detach daemon process */
-extern char *logfile; /* log file for daemon mode */
-extern flag errors_to_syslog; /* if syslog was set */
-extern flag use_invisible; /* if invisible was set */
-extern flag quitmode; /* if --quit was set */
-extern flag check_only; /* if --check was set */
-extern char *cmd_logfile; /* if --logfile was set */
-extern int cmd_daemon; /* if --daemon was set */
-
/* 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 char *idfile; /* path name of UID 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 char *fetchmailhost; /* the name of the host running fetchmail */
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 */
+#ifdef SDPS_ENABLE
+extern char *sdps_envfrom;
+extern char *sdps_envto;
+#endif /* SDPS_ENABLE */
/* 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 *, ...);
+void report_init(int foreground);
+void report (FILE *fp, const char *format, ...);
+void report_build (FILE *fp, const char *format, ...);
+void report_complete (FILE *fp, const char *format, ...);
+void report_at_line (FILE *fp, int, const char *, unsigned int, const char *, ...);
#else
-void error ();
-void error_build ();
-void error_complete ();
-void error_at_line ();
+void report ();
+void report_build ();
+void report_complete ();
+void report_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, char *, ... );
+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;
+
+/* response hooks can use this to identify the query stage */
+#define STAGE_GETAUTH 0
+#define STAGE_GETRANGE 1
+#define STAGE_GETSIZES 2
+#define STAGE_FETCH 3
+#define STAGE_IDLE 4
+#define STAGE_LOGOUT 5
+extern int stage;
+
+extern int mytimeout;
+
+/* 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 */
+
+/* idle.c */
+int interruptible_idle(int interval);
+
+/* 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 *);
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 **, int);
-int str_in_list(struct idlist **, const char *);
+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);
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 uid_end_query(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 *);
+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, flag delimited, flag issoftline);
+
/* interface.c */
+void interface_init(void);
void interface_parse(char *, struct hostdata *);
void interface_note_activity(struct hostdata *);
-int interface_approve(struct hostdata *);
+int interface_approve(struct hostdata *, flag domonitor);
/* xmalloc.c */
#if defined(HAVE_VOIDPOINTER)
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))) {report(stderr, "alloca failed"); exit(PS_UNDEFINED);}
/* protocol driver and methods */
int do_protocol(struct query *, const struct method *);
/* miscellanea */
struct query *hostalloc(struct query *);
-int parsecmdline (int, char **, struct query *);
-void optmerge(struct query *, 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 *);
-char *showproto(int);
+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);
void yyerror(const char *);
int yylex(void);
find all of our lock files and stuff. */
#define getcwd _getcwd2
#define chdir _chdir2
-#endif
+#endif /* _EMX_ */
+
+# if HAVE_STRERROR
+# ifndef strerror /* On some systems, strerror is a macro */
+char *strerror ();
+# endif
+# endif /* HAVE_STRERROR */
#define STRING_DISABLED (char *)-1
+#define STRING_DUMMY ""
+
+#ifdef NeXT
+#ifndef S_IXGRP
+#define S_IXGRP 0000010
+#endif
+#endif
/* fetchmail.h ends here */