/* * For license terms, see the file COPYING in this directory. */ /* 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 64 /* 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 */ #define MDA_MAXARGS 32 /* max arguments per MDA call */ struct idlist { char *id; union { int num; char *id2; } val; struct idlist *next; }; struct query { /* per-host data */ char servername [HOSTLEN+1]; struct idlist *localnames; int protocol; int port; int authenticate; int timeout; int skip; /* per-user data */ char remotename [USERNAMELEN+1]; char password [PASSWORDLEN+1]; char mailbox [FOLDERLEN]; char smtphost[HOSTLEN+1]; char mda [MDALEN+1]; /* per-user MDA arguments */ int mda_argcount; char *mda_argv[MDA_MAXARGS]; /* per-user control flags */ int keep; int fetchall; int flush; int norewrite; int limit; /* unseen, previous state of mailbox (initially from .fetchids) */ struct idlist *oldsaved, *newsaved; /* internal use */ int active; struct query *next; /* next query control block in chain */ struct query *leader; /* pointer to this query's SMTP leader */ FILE *smtp_sockfp; /* socket descriptor for SMTP connection */ unsigned int uid; /* UID of user to deliver to */ char digest [DIGESTLEN]; /* md5 digest buffer */ #ifdef HAVE_GETHOSTBYNAME char *canonical_name; /* DNS canonical name of server host */ #endif /* HAVE_GETHOSTBYNAME */ }; #define MULTIDROP(ctl) ((ctl)->localnames && (ctl)->localnames->next) 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 (*getsizes)(); /* get sizes of messages */ 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 query cmd_opts, *querylist; /* 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 int nodetach; /* if TRUE, don't detach daemon process */ extern char *logfile; /* log file for daemon mode */ extern int quitmode; /* if --quit was set */ extern int check_only; /* if --check was set */ extern int batchlimit; /* if --batchlimit was set */ extern int batchcount; /* count of messages sent in current batch */ /* 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 */ extern char *user; /* name of invoking user */ #ifdef HAVE_PROTOTYPES /* prototypes for globally callable functions */ #if defined(HAVE_STDARG_H) void gen_send (FILE *sockfp, char *, ... ); int gen_transact (FILE *sockfp, char *, ... ); #else void gen_send (); int gen_transact (); #endif void *xmalloc(int); char *xstrdup(char *); int do_protocol(struct query *, const struct method *); int doPOP2 (struct query *); int doPOP3 (struct query *); int doIMAP (struct query *); void reply_hack(char *, const char *); char *nxtaddr(const char *); void initialize_saved_lists(struct query *, char *); void save_uid(struct idlist **, int, char *); void free_uid_list(struct idlist **); void save_id_pair(struct idlist **, char *, char *); void free_idpair_list(struct idlist **); int delete_uid(struct idlist **, int); int uid_in_list(struct idlist **, char *); char *uid_find(struct idlist **, int); char *idpair_find(struct idlist **, char *); void append_uid_list(struct idlist **, struct idlist **); void update_uid_lists(struct query *); void write_saved_lists(struct query *, char *); struct query *hostalloc(struct query *); int parsecmdline (int, char **, struct query *); void optmerge(struct query *, struct query *); char *MD5Digest (char *); int openmailpipe (char **); int closemailpipe(int); int daemonize(const char *, void (*)(int)); int prc_parse_file(const char *); int prc_filecheck(const char *); char *getpassword(char *); void escapes(const char *, char *); void yyerror(char *); int yylex(); #else struct query *hostinit(); char *MD5Digest (); void optmerge(); #endif #define FALSE 0 #define TRUE 1