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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001, 2002, 2003,
2004, 2005 Free Software Foundation, Inc.
GNU Mailutils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Mailutils is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Mailutils; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifndef _POP3D_H
#define _POP3D_H 1
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <mu_dbm.h>
#include <mu_asprintf.h>
/* The implementation */
#define IMPL "GNU POP3 Daemon"
/* You can edit the messages the POP server prints out here */
/* A command that doesn't exist */
#define BAD_COMMAND "Invalid command"
/* Incorrect number of arguments passed to a command */
#define BAD_ARGS "Invalid arguments"
/* Command issued in wrong state */
#define BAD_STATE "Incorrect state"
/* An action on a message that doesn't exist */
#define NO_MESG "No such message"
/* An action on a message that doesn't exist */
#define MESG_DELE "Message has been deleted"
/* A command that is known but not implemented */
#define NOT_IMPL "Not implemented"
/* Invalid username or password */
#define BAD_LOGIN "Bad login"
/* User authenticated, but mailbox is locked */
#define MBOX_LOCK "Mailbox in use"
/* The command argument was > 40 characters */
#define TOO_LONG "Argument too long"
/* An error occured when expunging. */
#define FILE_EXP "Some deleted messages not removed"
/* Command not permitted when TLS active. */
#define TLS_ACTIVE "Command not permitted when TLS active"
/* Trying to log in within the minimum login delay interval */
#define LOGIN_DELAY "Attempt to log in within the minimum login delay interval"
/* APOP password file, without .db or .passwd, which are added based on file
type automatically */
#define APOP_PASSFILE_NAME "apop"
#ifdef USE_DBM
# define APOP_PASSFILE SYSCONFDIR "/" APOP_PASSFILE_NAME
# define ENABLE_LOGIN_DELAY
#else
# define APOP_PASSFILE SYSCONFDIR "/" APOP_PASSFILE_NAME ".passwd"
# undef ENABLE_LOGIN_DELAY
#endif
#ifdef ENABLE_LOGIN_DELAY
# define LOGIN_STAT_FILE "/var/run/pop3-login"
extern time_t login_delay;
extern char *login_stat_file;
extern int check_login_delay __P((char *username));
extern void update_login_delay __P((char *username));
extern void login_delay_capa __P((void));
#else
# define check_login_delay(u) 0
# define update_login_delay(u)
# define login_delay_capa()
#endif
/* Minimum advertise retention time for messages. */
extern time_t expire;
extern int expire_on_exit;
#define EXPIRE_NEVER ((time_t)-1)
/* Size of the MD5 digest for APOP */
#define APOP_DIGEST 70
/* Longest legal POP command */
#define POP_MAXCMDLEN 255
/* Buffer size to use for output */
#define BUFFERSIZE 1024
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#define _QNX_SOURCE
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <signal.h>
#include <sys/file.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <pwd.h>
#include <grp.h>
#include <syslog.h>
#include <ctype.h>
#include <md5.h>
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <mailutils/argp.h>
#include <mailutils/attribute.h>
#include <mailutils/body.h>
#include <mailutils/daemon.h>
#include <mailutils/errno.h>
#include <mailutils/error.h>
#include <mailutils/header.h>
#include <mailutils/list.h>
#include <mailutils/locker.h>
#include <mailutils/mailbox.h>
#include <mailutils/message.h>
#include <mailutils/mutil.h>
#include <mailutils/mu_auth.h>
#include <mailutils/nls.h>
#include <mailutils/registrar.h>
#include <mailutils/tls.h>
#include <mailutils/url.h>
/* For Berkley DB2 APOP password file */
#ifdef HAVE_DB_H
#include <db.h>
#endif
#ifdef HAVE_SECURITY_PAM_APPL_H
#include <security/pam_appl.h>
#endif
#ifdef HAVE_SHADOW_H
#include <shadow.h>
#endif
#ifndef MAXHOSTNAMELEN
/* Maximum length of a hostname (is this defined somewhere else?). */
/* MAXHOSTNAMELEN is already defined on Solaris. */
# define MAXHOSTNAMELEN 64
#endif
#define POP3_ATTRIBUTE_DELE 0x0001
#define POP3_ATTRIBUTE_RETR 0x0010
#define INITIAL -1
#define AUTHORIZATION 0
#define TRANSACTION 1
#define UPDATE 2
#define OK 0
#define ERR_WRONG_STATE 1
#define ERR_BAD_ARGS 2
#define ERR_BAD_LOGIN 3
#define ERR_NO_MESG 4
#define ERR_MESG_DELE 5
#define ERR_NOT_IMPL 6
#define ERR_BAD_CMD 7
#define ERR_MBOX_LOCK 8
#define ERR_TOO_LONG 9
#define ERR_NO_MEM 10
#define ERR_SIGNAL 11
#define ERR_FILE 12
#define ERR_NO_OFILE 13
#define ERR_TIMEOUT 14
#define ERR_UNKNOWN 15
#define ERR_MBOX_SYNC 16
#define ERR_TLS_ACTIVE 17
#define ERR_TLS_IO 18
#define ERR_LOGIN_DELAY 19
extern mailbox_t mbox;
extern int state;
extern int initial_state;
extern char *username;
extern char *maildir;
extern char *md5shared;
extern size_t children;
extern struct daemon_param daemon_param;
extern int debug_mode;
#ifdef WITH_TLS
extern int tls_available;
extern int tls_done;
#endif /* WITH_TLS */
extern int undelete_on_startup;
extern void pop3d_bye __P ((void));
extern int pop3d_abquit __P ((int));
extern int pop3d_apop __P ((const char *));
extern char *pop3d_apopuser __P ((const char *));
extern char *pop3d_args __P ((const char *));
extern int pop3d_auth __P ((const char *));
extern int pop3d_capa __P ((const char *));
extern char *pop3d_cmd __P ((const char *));
extern int pop3d_dele __P ((const char *));
extern int pop3d_list __P ((const char *));
extern int pop3d_lock __P ((void));
extern int pop3d_noop __P ((const char *));
extern int pop3d_quit __P ((const char *));
extern int pop3d_retr __P ((const char *));
extern int pop3d_rset __P ((const char *));
extern void process_cleanup __P ((void));
extern RETSIGTYPE pop3d_sigchld __P ((int));
extern RETSIGTYPE pop3d_signal __P ((int));
extern int pop3d_stat __P ((const char *));
#ifdef WITH_TLS
extern int pop3d_stls __P ((const char *));
#endif /* WITH_TLS */
extern int pop3d_top __P ((const char *));
extern int pop3d_touchlock __P ((void));
extern int pop3d_uidl __P ((const char *));
extern int pop3d_user __P ((const char *));
extern int pop3d_unlock __P ((void));
extern void pop3d_outf __P ((const char *fmt, ...));
extern void pop3d_setio __P ((FILE *in, FILE *out));
extern char *pop3d_readline __P ((char *, size_t));
extern void pop3d_flush_output __P ((void));
extern int pop3d_is_master __P ((void));
extern void pop3d_mark_deleted __P((attribute_t attr));
extern int pop3d_is_deleted __P((attribute_t attr));
extern void pop3d_unset_deleted __P((attribute_t attr));
void pop3d_undelete_all __P((void));
#ifdef WITH_TLS
extern int pop3d_init_tls_server __P ((void));
extern void pop3d_deinit_tls_server __P ((void));
#endif /* WITH_TLS */
extern void pop3d_mark_retr __P((attribute_t attr));
extern int pop3d_is_retr __P((attribute_t attr));
extern void pop3d_unmark_retr __P((attribute_t attr));
extern void expire_mark_message __P((message_t msg, char **value));
#endif /* _POP3D_H */
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