diff options
Diffstat (limited to 'usr/src/cmd/sendmail/libmilter/libmilter.h')
| -rw-r--r-- | usr/src/cmd/sendmail/libmilter/libmilter.h | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/usr/src/cmd/sendmail/libmilter/libmilter.h b/usr/src/cmd/sendmail/libmilter/libmilter.h new file mode 100644 index 0000000000..da8a72ba5d --- /dev/null +++ b/usr/src/cmd/sendmail/libmilter/libmilter.h @@ -0,0 +1,189 @@ +/* + * Copyright (c) 1999-2003 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +/* +** LIBMILTER.H -- include file for mail filter library functions +*/ + +#ifndef _LIBMILTER_H +# define _LIBMILTER_H 1 + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <sm/gen.h> + +#ifdef _DEFINE +# define EXTERN +# define INIT(x) = x +SM_IDSTR(MilterlId, "@(#)$Id: libmilter.h,v 8.50 2003/12/11 18:14:34 ca Exp $") +#else /* _DEFINE */ +# define EXTERN extern +# define INIT(x) +#endif /* _DEFINE */ + + +#define NOT_SENDMAIL 1 +#define _SOCK_ADDR union bigsockaddr +#include "sendmail.h" + +#include "libmilter/milter.h" + +# define ValidSocket(sd) ((sd) >= 0) +# define INVALID_SOCKET (-1) +# define closesocket close +# define MI_SOCK_READ(s, b, l) read(s, b, l) +# define MI_SOCK_READ_FAIL(x) ((x) < 0) +# define MI_SOCK_WRITE(s, b, l) write(s, b, l) + +# define thread_create(ptid,wr,arg) pthread_create(ptid, NULL, wr, arg) +# define sthread_get_id() pthread_self() + +typedef pthread_mutex_t smutex_t; +# define smutex_init(mp) (pthread_mutex_init(mp, NULL) == 0) +# define smutex_destroy(mp) (pthread_mutex_destroy(mp) == 0) +# define smutex_lock(mp) (pthread_mutex_lock(mp) == 0) +# define smutex_unlock(mp) (pthread_mutex_unlock(mp) == 0) +# define smutex_trylock(mp) (pthread_mutex_trylock(mp) == 0) + +#if SM_CONF_POLL + +# include <poll.h> +# define MI_POLLSELECT "poll" + +# define MI_POLL_RD_FLAGS (POLLIN | POLLPRI) +# define MI_POLL_WR_FLAGS (POLLOUT) +# define MI_MS(timeout) (((timeout)->tv_sec * 1000) + (timeout)->tv_usec) + +# define FD_RD_VAR(rds, excs) struct pollfd rds +# define FD_WR_VAR(wrs) struct pollfd wrs + +# define FD_RD_INIT(sd, rds, excs) \ + (rds).fd = (sd); \ + (rds).events = MI_POLL_RD_FLAGS; \ + (rds).revents = 0 + +# define FD_WR_INIT(sd, wrs) \ + (wrs).fd = (sd); \ + (wrs).events = MI_POLL_WR_FLAGS; \ + (wrs).revents = 0 + +# define FD_IS_RD_EXC(sd, rds, excs) \ + (((rds).revents & (POLLERR | POLLHUP | POLLNVAL)) != 0) + +# define FD_IS_WR_RDY(sd, wrs) \ + (((wrs).revents & MI_POLL_WR_FLAGS) != 0) + +# define FD_IS_RD_RDY(sd, rds, excs) \ + (((rds).revents & MI_POLL_RD_FLAGS) != 0) + +# define FD_WR_READY(sd, excs, timeout) \ + poll(&(wrs), 1, MI_MS(timeout)) + +# define FD_RD_READY(sd, rds, excs, timeout) \ + poll(&(rds), 1, MI_MS(timeout)) + +#else /* SM_CONF_POLL */ + +# include <sm/fdset.h> +# define MI_POLLSELECT "select" + +# define FD_RD_VAR(rds, excs) fd_set rds, excs +# define FD_WR_VAR(wrs) fd_set wrs + +# define FD_RD_INIT(sd, rds, excs) \ + FD_ZERO(&(rds)); \ + FD_SET((unsigned int) (sd), &(rds)); \ + FD_ZERO(&(excs)); \ + FD_SET((unsigned int) (sd), &(excs)) + +# define FD_WR_INIT(sd, wrs) \ + FD_ZERO(&(wrs)); \ + FD_SET((unsigned int) (sd), &(wrs)); \ + +# define FD_IS_RD_EXC(sd, rds, excs) FD_ISSET(sd, &(excs)) +# define FD_IS_WR_RDY(sd, wrs) FD_ISSET((sd), &(wrs)) +# define FD_IS_RD_RDY(sd, rds, excs) FD_ISSET((sd), &(rds)) + +# define FD_WR_READY(sd, wrs, timeout) \ + select((sd) + 1, NULL, &(wrs), NULL, (timeout)) +# define FD_RD_READY(sd, rds, excs, timeout) \ + select((sd) + 1, &(rds), NULL, &(excs), (timeout)) + +#endif /* SM_CONF_POLL */ + +#include <sys/time.h> + +/* version info */ +#define MILTER_PRODUCT_NAME "libmilter" +#define MILTER_VERSION 100 + +/* some defaults */ +#define MI_TIMEOUT 7210 /* default timeout for read/write */ +#define MI_CHK_TIME 5 /* checking whether to terminate */ + +#ifndef MI_SOMAXCONN +# if SOMAXCONN > 20 +# define MI_SOMAXCONN SOMAXCONN +# else /* SOMAXCONN */ +# define MI_SOMAXCONN 20 +# endif /* SOMAXCONN */ +#endif /* ! MI_SOMAXCONN */ + +/* maximum number of repeated failures in mi_listener() */ +#define MAX_FAILS_M 16 /* malloc() */ +#define MAX_FAILS_T 16 /* thread creation */ +#define MAX_FAILS_A 16 /* accept() */ +#define MAX_FAILS_S 16 /* select() */ + +/* internal "commands", i.e., error codes */ +#define SMFIC_TIMEOUT ((char) 1) /* timeout */ +#define SMFIC_SELECT ((char) 2) /* select error */ +#define SMFIC_MALLOC ((char) 3) /* malloc error */ +#define SMFIC_RECVERR ((char) 4) /* recv() error */ +#define SMFIC_EOF ((char) 5) /* eof */ +#define SMFIC_UNKNERR ((char) 6) /* unknown error */ +#define SMFIC_TOOBIG ((char) 7) /* body chunk too big */ +#define SMFIC_VALIDCMD ' ' /* first valid command */ + +/* hack */ +#define smi_log syslog +#define sm_dprintf (void) printf +#define milter_ret int +#define SMI_LOG_ERR LOG_ERR +#define SMI_LOG_FATAL LOG_ERR +#define SMI_LOG_WARN LOG_WARNING +#define SMI_LOG_INFO LOG_INFO +#define SMI_LOG_DEBUG LOG_DEBUG + +/* stop? */ +#define MILTER_CONT 0 +#define MILTER_STOP 1 +#define MILTER_ABRT 2 + +/* functions */ +extern int mi_handle_session __P((SMFICTX_PTR)); +extern int mi_engine __P((SMFICTX_PTR)); +extern int mi_listener __P((char *, int, smfiDesc_ptr, time_t, int)); +extern void mi_clr_macros __P((SMFICTX_PTR, int)); +extern int mi_stop __P((void)); +extern int mi_control_startup __P((char *)); +extern void mi_stop_milters __P((int)); +extern void mi_clean_signals __P((void)); +extern struct hostent *mi_gethostbyname __P((char *, int)); +extern int mi_inet_pton __P((int, const char *, void *)); +extern void mi_closener __P((void)); +extern int mi_opensocket __P((char *, int, int, bool, smfiDesc_ptr)); + +/* communication functions */ +extern char *mi_rd_cmd __P((socket_t, struct timeval *, char *, size_t *, char *)); +extern int mi_wr_cmd __P((socket_t, struct timeval *, int, char *, size_t)); +extern bool mi_sendok __P((SMFICTX_PTR, int)); + + +#endif /* ! _LIBMILTER_H */ |