spp_telnet_negotiation.c File Reference

#include <sys/types.h>
#include "decode.h"
#include "plugbase.h"
#include "parser.h"
#include "log.h"
#include "debug.h"
#include "util.h"
#include "mstring.h"
#include "snort.h"

Go to the source code of this file.

Defines
#define	TNC_IAC   0xFF
#define	TNC_SB   0xFA
#define	TNC_GA   0xF9
#define	TNC_EAL   0xF8
#define	TNC_EAC   0xF7
#define	TNC_AO   0xF6
#define	TNC_AYT   0xF5
#define	TNC_IP   0xF4
#define	TNC_BRK   0xF3
#define	TNC_DM   0xF2
#define	TNC_NOP   0xF1
#define	TNC_SE   0xF0
#define	TNC_STD_LENGTH   3
Functions
void	TelNegInit (u_char *)
void	NormalizeTelnet (Packet *, void *)
static void	SetTelnetPorts (char *portlist)
void	SetupTelNeg ()
Variables
u_int8_t	DecodeBuffer [DECODE_BLEN]
static char	TelnetDecodePorts [65536/8]

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Define Documentation

#define TNC_AO   0xF6

Definition at line 70 of file spp_telnet_negotiation.c. Referenced by NormalizeTelnet().

#define TNC_AYT   0xF5

Definition at line 71 of file spp_telnet_negotiation.c. Referenced by NormalizeTelnet().

#define TNC_BRK   0xF3

Definition at line 73 of file spp_telnet_negotiation.c. Referenced by NormalizeTelnet().

#define TNC_DM   0xF2

Definition at line 74 of file spp_telnet_negotiation.c. Referenced by NormalizeTelnet().

#define TNC_EAC   0xF7

Definition at line 69 of file spp_telnet_negotiation.c. Referenced by NormalizeTelnet().

#define TNC_EAL   0xF8

Definition at line 68 of file spp_telnet_negotiation.c. Referenced by NormalizeTelnet().

#define TNC_GA   0xF9

Definition at line 67 of file spp_telnet_negotiation.c. Referenced by NormalizeTelnet().

#define TNC_IAC   0xFF

Definition at line 65 of file spp_telnet_negotiation.c. Referenced by NormalizeTelnet().

#define TNC_IP   0xF4

Definition at line 72 of file spp_telnet_negotiation.c. Referenced by NormalizeTelnet().

#define TNC_NOP   0xF1

Definition at line 75 of file spp_telnet_negotiation.c. Referenced by NormalizeTelnet().

#define TNC_SB   0xFA

Definition at line 66 of file spp_telnet_negotiation.c. Referenced by NormalizeTelnet().

#define TNC_SE   0xF0

Definition at line 76 of file spp_telnet_negotiation.c. Referenced by NormalizeTelnet().

#define TNC_STD_LENGTH   3

Definition at line 78 of file spp_telnet_negotiation.c. Referenced by NormalizeTelnet().

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Function Documentation

void NormalizeTelnet (  Packet *  , void *  )

Definition at line 146 of file spp_telnet_negotiation.c. References _Packet::alt_dsize, char(), _Packet::data, DEBUG_PLUGIN, DEBUG_WRAP, DECODE_BLEN, DecodeBuffer, _Packet::dp, _Packet::dsize, _Packet::packet_flags, PacketIsTCP(), PKT_ALT_DECODE, PP_TELNEG, _Packet::preprocessors, TelnetDecodePorts, TNC_AO, TNC_AYT, TNC_BRK, TNC_DM, TNC_EAC, TNC_EAL, TNC_GA, TNC_IAC, TNC_IP, TNC_NOP, TNC_SB, TNC_SE, and TNC_STD_LENGTH. Referenced by TelNegInit().

static void SetTelnetPorts (  char *  portlist  )  [static]

Definition at line 317 of file spp_telnet_negotiation.c. References bzero, FatalError(), file_line, file_name, LogMessage(), mSplit(), mSplitFree(), NULL, STD_BUF, strlcat(), strtol(), and TelnetDecodePorts. Referenced by TelNegInit().

void SetupTelNeg (   )

Definition at line 101 of file spp_telnet_negotiation.c. References DEBUG_PLUGIN, DEBUG_WRAP, RegisterPreprocessor(), and TelNegInit(). Referenced by InitPreprocessors().

void TelNegInit (  u_char *   )

Definition at line 123 of file spp_telnet_negotiation.c. References AddFuncToPreprocList(), DEBUG_PLUGIN, DEBUG_WRAP, NormalizeTelnet(), and SetTelnetPorts(). Referenced by SetupTelNeg().

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Variable Documentation

u_int8_t DecodeBuffer[DECODE_BLEN]

Definition at line 45 of file decode.c. Referenced by ByteJump(), ByteTest(), CheckANDPatternMatch(), CheckORPatternMatch(), fpEvalHeaderSW(), FTPBounce(), IsDataAt(), NormalizeTelnet(), and SnortPcre().

char TelnetDecodePorts[65536/8] [static]

Definition at line 86 of file spp_telnet_negotiation.c. Referenced by NormalizeTelnet(), and SetTelnetPorts().

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