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6bb27c18a6
If an incoming UDP packet shares the same host and source port as an existing connection, we consider it part of the input stream.
76 lines
1.6 KiB
C
76 lines
1.6 KiB
C
/* Copyright © 1997—1999 Thomas Boutell <boutell@boutell.com>
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and Boutell.Com, Inc.
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© 2003—2017 Sam Hocevar <sam@hocevar.net>
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This software is released for free use under the terms of
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the GNU Public License, version 2 or higher. NO WARRANTY
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IS EXPRESSED OR IMPLIED. USE THIS SOFTWARE AT YOUR OWN RISK. */
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#pragma once
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enum ruleType {
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allowRule,
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denyRule,
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};
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enum protocolType {
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protoTcp = 1,
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protoUdp = 2,
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};
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typedef struct _rule Rule;
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struct _rule
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{
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char *pattern;
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int type;
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};
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typedef struct _server_info ServerInfo;
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struct _server_info {
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SOCKET fd;
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/* In network order, for network purposes */
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struct in_addr localAddr;
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unsigned short localPort;
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/* In ASCII and local byte order, for logging purposes */
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char *fromHost, *toHost;
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int fromPort, fromProto, toPort, toProto;
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/* Offset and count into list of allow and deny rules. Any rules
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prior to globalAllowRules and globalDenyRules are global rules. */
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int rulesStart, rulesCount;
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};
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typedef struct _socket Socket;
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struct _socket
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{
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SOCKET fd;
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int proto;
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/* recv: received on this socket
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sent: sent to this socket from the other buffer */
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int recvPos, sentPos;
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int recvBytes, sentBytes;
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char *buffer;
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};
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typedef struct _connection_info ConnectionInfo;
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struct _connection_info
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{
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Socket remote, local;
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struct sockaddr_in remoteAddress;
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int coClosing;
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int coLog;
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ServerInfo const *server; // only useful for logEvent
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};
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/* Option parsing */
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typedef struct _rinetd_options RinetdOptions;
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struct _rinetd_options
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{
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char const *conf_file;
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int foreground;
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};
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