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/* Copyright 1993-95 by Carl Harris, Jr. Copyright 1996 by Eric S. Raymond
* All rights reserved.
* For license terms, see the file COPYING in this directory.
*/
/***********************************************************************
module: fetchmail.h
project: fetchmail
programmer: Carl Harris, ceharris@mal.com
description: global constant, type, and variable definitions.
***********************************************************************/
/* constants designating the various supported protocols */
#define P_AUTO 0
#define P_POP2 2
#define P_POP3 3
#define P_IMAP 4
#define P_APOP 5
#define KPOP_PORT 1109
/* authentication types */
#define A_PASSWORD 0 /* passwords in cleartext */
#define A_KERBEROS 1 /* get Kerberos V4 ticket */
/* definitions for buffer sizes -- somewhat arbitrary */
#define POPBUFSIZE 512 /* per RFC 937 */
#define MSGBUFSIZE 2048 /* size of message read buffer */
#define HOSTLEN 128 /* max hostname length */
#define USERNAMELEN 32 /* max user-length */
#define PASSWORDLEN MAX_PASSWORD_LENGTH
#define FOLDERLEN 256 /* max folder name length */
#define DIGESTLEN 33 /* length of MD5 digest */
#define MDALEN 256 /* length of delivery agent command */
#define IDLEN 128 /* length of UIDL message ID */
/* 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 /* exclusion error */
#define PS_SMTP 9 /* SMTP error */
#define PS_UNDEFINED 10 /* something I hadn't thought of */
/* output noise level */
#define O_SILENT 0 /* mute, max squelch, etc. */
#define O_NORMAL 1 /* user-friendly */
#define O_VERBOSE 2 /* excessive */
#define SIZETICKER 1024 /* print 1 dot per this many bytes */
struct idlist
{
int num;
char *id;
struct idlist *next;
};
struct hostrec
{
/* per-host data */
char servername [HOSTLEN+1];
char localname [USERNAMELEN+1];
char remotename [USERNAMELEN+1];
char password [PASSWORDLEN+1];
char mailbox [FOLDERLEN];
char smtphost[HOSTLEN+1];
char mda [MDALEN+1];
int protocol;
int port;
int authenticate;
/* MDA arguments */
char *mda_argv[32];
char mdabuf[MDALEN+1];
/* control flags */
int keep;
int fetchall;
int flush;
int norewrite;
int skip;
/* current, previous state of mailbox (initially from .fetchids) */
struct idlist *saved, *current;
/* internal use */
int active;
struct hostrec *next; /* next host in chain */
char digest [DIGESTLEN];
};
struct method
{
char *name; /* protocol name */
int port; /* service port */
int tagged; /* if true, generate & expect command tags */
int delimited; /* if true, accept "." message delimiter */
int (*parse_response)(); /* response_parsing function */
int (*getauth)(); /* authorization fetcher */
int (*getrange)(); /* get message range to fetch */
int (*is_old)(); /* check for old message */
int (*fetch)(); /* fetch a given message */
int (*trail)(); /* eat trailer of a message */
int (*delete)(); /* delete method */
char *expunge_cmd; /* expunge command */
char *exit_cmd; /* exit command */
};
#define TAGLEN 6
extern char tag[TAGLEN];
/* list of hosts assembled from run control file and command line */
extern struct hostrec cmd_opts, *hostlist;
/* 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 */
/* daemon mode control */
extern int poll_interval; /* poll interval in seconds */
extern char *logfile; /* log file for daemon mode */
extern int quitmode; /* if --quit was set */
extern int check_only; /* if --check was set */
/* miscellaneous global controls */
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 int versioninfo; /* emit only version info */
#ifdef HAVE_PROTOTYPES
/* prototypes for globally callable functions */
void gen_send ();
int gen_transact ();
int doPOP2 (struct hostrec *);
int doPOP3 (struct hostrec *);
int doIMAP (struct hostrec *);
void initialize_saved_lists(struct hostrec *, char *);
void save_uid(struct idlist **, int, char *);
void free_uid_list(struct idlist **);
int delete_uid(struct idlist **, char *);
int uid_in_list(struct idlist **, char *);
void update_uid_lists(struct hostrec *);
void write_saved_lists(struct hostrec *, char *);
struct hostrec *hostalloc(struct hostrec *);
int parsecmdline (int, char **, struct hostrec *);
void optmerge(struct hostrec *, struct hostrec *);
char *MD5Digest (char *);
int openmailpipe (struct hostrec *);
int daemonize(const char *, void (*)(int));
#else
struct hostrec *hostinit();
char *MD5Digest ();
void optmerge();
#endif
void alarm_handler();
#define FALSE 0
#define TRUE 1
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