/*********************************** * Telnet.h For Lurking Fear ***********************************/ /* * Telnet Commands */ #define TC_SE 240 //End of subnegotiation parameters. #define TC_NOP 241 //No operation. #define TC_DM 242 //The data stream portion of a Synch. //This should always be accompanied //by a TCP Urgent notification. #define TC_BREAK 243 //NVT character BRK. #define TC_IP 244 //The function IP. #define TC_AO 245 //The function AO. #define TC_AYT 246 //The function AYT. #define TC_EC 247 //The function EC. #define TC_EL 248 //The function EL. #define TC_GA 249 //The GA signal. #define TC_SB 250 //Indicates that what follows is //subnegotiation of the indicated //option. #define TC_WILL 251 //Indicates the desire to begin //performing, or confirmation that //you are now performing, the //indicated option. #define TC_WONT 252 //Indicates the refusal to perform, //or continue performing, the //indicated option. #define TC_DO 253 //Indicates the request that the //other party perform, or //confirmation that you are expecting //the other party to perform, the //indicated option. #define TC_DONT 254 //Indicates the demand that the //other party stop performing, //or confirmation that you are no //longer expecting the other party //to perform, the indicated option. #define IAC 255 //Data Byte 255. /* * Telnet Options */ #define TELOPT_BINARY 0 /* 8-bit data path */ #define TELOPT_ECHO 1 /* echo */ #define TELOPT_RCP 2 /* prepare to reconnect */ #define TELOPT_SGA 3 /* suppress go ahead */ #define TELOPT_NAMS 4 /* approximate message size */ #define TELOPT_STATUS 5 /* give status */ #define TELOPT_TM 6 /* timing mark */ #define TELOPT_RCTE 7 /* remote controlled transmission and echo */ #define TELOPT_NAOL 8 /* negotiate about output line width */ #define TELOPT_NAOP 9 /* negotiate about output page size */ #define TELOPT_NAOCRD 10 /* negotiate about CR disposition */ #define TELOPT_NAOHTS 11 /* negotiate about horizontal tabstops */ #define TELOPT_NAOHTD 12 /* negotiate about horizontal tab disposition */ #define TELOPT_NAOFFD 13 /* negotiate about formfeed disposition */ #define TELOPT_NAOVTS 14 /* negotiate about vertical tab stops */ #define TELOPT_NAOVTD 15 /* negotiate about vertical tab disposition */ #define TELOPT_NAOLFD 16 /* negotiate about output LF disposition */ #define TELOPT_XASCII 17 /* extended ascic character set */ #define TELOPT_LOGOUT 18 /* force logout */ #define TELOPT_BM 19 /* byte macro */ #define TELOPT_DET 20 /* data entry terminal */ #define TELOPT_SUPDUP 21 /* supdup protocol */ #define TELOPT_SUPDUPOUTPUT 22 /* supdup output */ #define TELOPT_SNDLOC 23 /* send location */ #define TELOPT_TTYPE 24 /* terminal type */ #define TELOPT_EOR 25 /* end or record */ #define TELOPT_TUID 26 /* TACACS user identification */ #define TELOPT_OUTMRK 27 /* output marking */ #define TELOPT_TTYLOC 28 /* terminal location number */ #define TELOPT_3270REGIME 29 /* 3270 regime */ #define TELOPT_X3PAD 30 /* X.3 PAD */ #define TELOPT_NAWS 31 /* window size */ #define TELOPT_TSPEED 32 /* terminal speed */ #define TELOPT_LFLOW 33 /* remote flow control */ #define TELOPT_LINEMODE 34 /* Linemode option */ #define TELOPT_XDISPLOC 35 /* X Display Location */ #define TELOPT_OLD_ENVIRON 36 /* Old - Environment variables */ #define TELOPT_AUTHENTICATION 37 /* Authenticate */ #define TELOPT_ENCRYPT 38 /* Encryption option */ #define TELOPT_NEW_ENVIRON 39 /* New - Environment variables */ #define TELOPT_EXOPL 255 /* extended-options-list */ #define TELQUAL_IS 0 /* option is... */ #define TELQUAL_SEND 1 /* send option */ #define TELQUAL_INFO 2 /* ENVIRON: informational version of IS */ #define BSD_VAR 1 #define BSD_VALUE 0 #define RFC_VAR 0 #define RFC_VALUE 1 enum { INACTIVE, REQUESTED, ACTIVE }; /* * Telnet Functions in telnet.c */ int parse_telnetcommand (DESCRIPTOR_DATA *d); void init_telnet_optns(DESCRIPTOR_DATA *d); void send_reply(DESCRIPTOR_DATA *d,unsigned char cmd, unsigned char option);