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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2007, 2008, 2009 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 3, 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., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301 USA */
#if defined(HAVE_CONFIG_H)
# include <config.h>
#endif
#include <sys/types.h>
#include <errno.h>
#include <grp.h>
#include <netdb.h>
#include <pwd.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/stat.h>
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#ifdef HAVE_SYSEXITS_H
# include <sysexits.h>
#else
# define EX_OK 0 /* successful termination */
# define EX__BASE 64 /* base value for error messages */
# define EX_USAGE 64 /* command line usage error */
# define EX_DATAERR 65 /* data format error */
# define EX_NOINPUT 66 /* cannot open input */
# define EX_NOUSER 67 /* addressee unknown */
# define EX_NOHOST 68 /* host name unknown */
# define EX_UNAVAILABLE 69 /* service unavailable */
# define EX_SOFTWARE 70 /* internal software error */
# define EX_OSERR 71 /* system error (e.g., can't fork) */
# define EX_OSFILE 72 /* critical OS file missing */
# define EX_CANTCREAT 73 /* can't create (user) output file */
# define EX_IOERR 74 /* input/output error */
# define EX_TEMPFAIL 75 /* temp failure; user is invited to retry */
# define EX_PROTOCOL 76 /* remote error in protocol */
# define EX_NOPERM 77 /* permission denied */
# define EX_CONFIG 78 /* configuration error */
# define EX__MAX 78 /* maximum listed value */
#endif
#ifndef INADDR_LOOPBACK
# define INADDR_LOOPBAK 0x7f000001
#endif
#include <mailutils/attribute.h>
#include <mailutils/errno.h>
#include <mailutils/error.h>
#include <mailutils/list.h>
#include <mailutils/locker.h>
#include <mailutils/mailbox.h>
#include <mailutils/message.h>
#include <mailutils/mutil.h>
#include <mailutils/registrar.h>
#include <mailutils/stream.h>
#include <mailutils/url.h>
#include <mailutils/mu_auth.h>
#include <mailutils/sieve.h>
#include <mailutils/nls.h>
#include <mailutils/daemon.h>
#include <mailutils/acl.h>
#include <mailutils/server.h>
#include <mailutils/cctype.h>
#include <mu_dbm.h>
#include <mu_asprintf.h>
#if defined (USE_DBM) || defined (USE_SQL)
# define USE_MAILBOX_QUOTAS 1
#endif
#include "mailutils/libargp.h"
#include "tcpwrap.h"
/* Debug */
extern int debug_level;
#define dbg() if (debug_level) debug
/* mailquota settings */
#define MQUOTA_OK 0
#define MQUOTA_EXCEEDED 1
#define MQUOTA_UNLIMITED 2
#define MAXFD 64
#define EX_QUOTA() (ex_quota_tempfail ? EX_TEMPFAIL : EX_UNAVAILABLE)
/* .forward file checks */
#define FWD_IWGRP 0x0001 /* group writable forward file */
#define FWD_IWOTH 0x0002 /* world writable forward file */
#define FWD_LINK 0x0004 /* linked forward file in writable dir */
#define FWD_DIR_IWGRP 0x0008 /* forward file in group writable directory */
#define FWD_DIR_IWOTH 0x0010 /* forward file in world writable directory */
#define FWD_ALL (FWD_IWGRP|FWD_IWOTH|FWD_LINK|FWD_DIR_IWOTH|FWD_DIR_IWGRP)
extern int exit_code;
extern int log_to_stderr;
extern int multiple_delivery;
extern int ex_quota_tempfail;
extern uid_t current_uid;
extern char *quotadbname;
extern char *quota_query;
extern char *forward_file;
extern int forward_file_checks;
extern char *sender_address;
extern mu_list_t script_list;
extern char *message_id_header;
extern int sieve_debug_flags;
extern int sieve_enable_log;
extern mu_m_server_t server;
extern int lmtp_mode;
extern int url_option;
extern char *lmtp_url_string;
extern int reuse_lmtp_address;
extern mu_list_t lmtp_groups;
extern mu_acl_t maidag_acl;
void close_fds (void);
int switch_user_id (struct mu_auth_data *auth, int user);
int maidag_stdio_delivery (int argc, char **argv);
int maidag_lmtp_server (void);
int lmtp_connection (int fd, struct sockaddr *sa, int salen, void *data,
mu_ip_server_t srv, time_t timeout, int transcript);
void maidag_error (const char *fmt, ...) MU_PRINTFLIKE(1, 2);
void notify_biff (mu_mailbox_t mbox, char *name, size_t size);
void guess_retval (int ec);
int mda (mu_mailbox_t mbx, char *username);
int deliver (mu_message_t msg, char *name, char **errp);
int sieve_test (struct mu_auth_data *auth, mu_message_t msg);
int check_quota (struct mu_auth_data *auth, mu_off_t size, mu_off_t *rest);
struct mail_tmp;
int mail_tmp_begin (struct mail_tmp **pmtmp, const char *from);
int mail_tmp_add_line (struct mail_tmp *mtmp, char *buf, size_t buflen);
int mail_tmp_finish (struct mail_tmp *mtmp, mu_mailbox_t *mbox);
void mail_tmp_destroy (struct mail_tmp **pmtmp);
enum maidag_forward_result
{
maidag_forward_none,
maidag_forward_ok,
maidag_forward_metoo,
maidag_forward_error
};
enum maidag_forward_result maidag_forward (mu_message_t msg,
struct mu_auth_data *auth,
char *fwfile);
/* Scripting support */
typedef int (*maidag_script_fun) (mu_message_t msg,
struct mu_auth_data *auth,
const char *prog);
extern maidag_script_fun script_handler;
struct maidag_script
{
maidag_script_fun fun; /* Handler function */
const char *pat; /* Script name pattern */
};
maidag_script_fun script_lang_handler (const char *lang);
maidag_script_fun script_suffix_handler (const char *name);
int script_register (const char *pattern);
int script_apply (mu_message_t msg, struct mu_auth_data *auth);
/* guile.c */
extern int debug_guile;
int scheme_check_msg (mu_message_t msg, struct mu_auth_data *auth,
const char *prog);
/* python.c */
int python_check_msg (mu_message_t msg, struct mu_auth_data *auth,
const char *prog);
/* sieve.c */
int sieve_check_msg (mu_message_t msg, struct mu_auth_data *auth,
const char *prog);
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