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inet.h
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/* * ProFTPD - FTP server daemon * Copyright (c) 1997, 1998 Public Flood Software * Copyright (c) 1999, 2000 MacGyver aka Habeeb J. Dihu <macgyver@tos.net> * Copyright (c) 2001-2011 The ProFTPD Project team * * This program 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 of the License, or * (at your option) any later version. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA. * * As a special exemption, Public Flood Software/MacGyver aka Habeeb J. Dihu * and other respective copyright holders give permission to link this program * with OpenSSL, and distribute the resulting executable, without including * the source code for OpenSSL in the source distribution. */ /* BSD socket manipulation tools. * $Id: inet.h,v 1.37 2011/09/21 05:03:05 castaglia Exp $ */ #ifndef PR_INET_H #define PR_INET_H #include "conf.h" #ifndef AF_INET6 # define AF_INET6 AF_UNSPEC #endif /* AF_INET6 */ #ifndef INADDR_ANY # define INADDR_ANY ((unsigned long int) 0x00000000) #endif /* INADDR_ANY */ #ifndef INADDR_LOOPBACK # define INADDR_LOOPBACK ((unsigned long int) 0x7f000001) #endif /* INADDR_LOOPBACK */ #ifndef INADDR_NONE # define INADDR_NONE 0xffffffff #endif /* INADDR_NONE */ #ifndef INPORT_ANY # define INPORT_ANY 0 #endif #ifndef IN6_IS_ADDR_UNSPECIFIED # define IN6_IS_ADDR_UNSPECIFIED(a) 0 #endif #ifndef IN6_IS_ADDR_LOOPBACK # define IN6_IS_ADDR_LOOPBACK(a) 0 #endif #ifndef IN6_IS_ADDR_MULTICAST # define IN6_IS_ADDR_MULTICAST(a) 0 #endif #ifndef IN6_IS_ADDR_LINKLOCAL # define IN6_IS_ADDR_LINKLOCAL(a) 0 #endif #ifndef IN6_IS_ADDR_SITELOCAL # define IN6_IS_ADDR_SITELOCAL(a) 0 #endif #ifndef IN6_IS_ADDR_V4MAPPED # define IN6_IS_ADDR_V4MAPPED(a) 0 #endif #ifndef IN6_IS_ADDR_V4COMPAT # define IN6_IS_ADDR_V4COMPAT(a) 0 #endif #ifndef IN6_ARE_ADDR_EQUAL # define IN6_ARE_ADDR_EQUAL(a, b) 0 #endif #ifndef U32BITS # define U32BITS 0xffffffff #endif /* Connection modes */ #define CM_NONE 0 #define CM_LISTEN 1 #define CM_OPEN 2 #define CM_ACCEPT 3 #define CM_CONNECT 4 #define CM_CLOSED 5 #define CM_ERROR 6 /* connection structure */ typedef struct conn_struc { struct conn_struc *next; pool *pool; int mode; /* Current connection mode */ int listen_fd; /* Listening file descriptor */ int rcvbuf, sndbuf; /* Socket recv and send sizes */ int xerrno; /* Set to error if mode == CM_ERROR */ int rfd,wfd; /* Read and write fds */ pr_netio_stream_t *instrm, *outstrm; /* Input/Output streams */ /* Remote address of the connection. */ pr_netaddr_t *remote_addr; /* Remote port of the connection. */ int remote_port; /* Remote FQDN of the connection. */ const char *remote_name; /* Local address of the connection. */ pr_netaddr_t *local_addr; /* Local port of the connection. */ int local_port; } conn_t; /* Used for event data for events related to opening of sockets */ struct socket_ctx { server_rec *server; pr_netaddr_t *addr; int sockfd; }; /* Prototypes */ void pr_inet_clear(void); int pr_inet_reverse_dns(pool *, int); int pr_inet_getservport(pool *, const char *, const char *); pr_netaddr_t *pr_inet_getaddr(pool *, const char *, array_header **); conn_t *pr_inet_copy_conn(pool *, conn_t*); conn_t *pr_inet_create_conn(pool *, int, pr_netaddr_t *, int, int); conn_t *pr_inet_create_conn_portrange(pool *, pr_netaddr_t *, int, int); void pr_inet_close(pool *, conn_t *); void pr_inet_lingering_abort(pool *, conn_t *, long); void pr_inet_lingering_close(pool *, conn_t *, long); int pr_inet_set_default_family(pool *, int); int pr_inet_set_async(pool *, conn_t *); int pr_inet_set_block(pool *, conn_t *); int pr_inet_set_nonblock(pool *, conn_t *); int pr_inet_set_proto_cork(int, int); int pr_inet_set_proto_opts(pool *, conn_t *, int, int, int, int); int pr_inet_set_socket_opts(pool *, conn_t *, int, int); int pr_inet_listen(pool *p, conn_t *conn, int backlog, int flags); #define PR_INET_LISTEN_FL_FATAL_ON_ERROR 0x0001 int pr_inet_resetlisten(pool *, conn_t *); int pr_inet_accept_nowait(pool *, conn_t *); int pr_inet_connect(pool *, conn_t *, pr_netaddr_t *, int); int pr_inet_connect_nowait(pool *, conn_t *, pr_netaddr_t *, int); int pr_inet_get_conn_info(conn_t *, int); conn_t *pr_inet_accept(pool *, conn_t *, conn_t *, int, int, unsigned char); conn_t *pr_inet_openrw(pool *, conn_t *, pr_netaddr_t *, int, int, int, int, int); int pr_inet_generate_socket_event(const char *, server_rec *, pr_netaddr_t *, int); void init_inet(void); #endif /* PR_INET_H */