/* $NetBSD: externs.h,v 1.11 2000/02/02 00:10:42 thorpej Exp $ */ /* * Copyright (c) 1988, 1990, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: @(#)externs.h 8.3 (Berkeley) 5/30/95 */ #ifndef BSD # define BSD 43 #endif /* * ucb stdio.h defines BSD as something wierd */ #if defined(sun) && defined(__svr4__) && !defined(BSD) #define BSD 43 #endif #ifndef USE_TERMIO # if BSD > 43 || defined(SYSV_TERMIO) # define USE_TERMIO # endif #endif #include #include #include #if defined(CRAY) && !defined(NO_BSD_SETJMP) #include #endif #ifndef FILIO_H #include #else #include #endif #include #ifdef USE_TERMIO # ifndef VINTR # ifdef SYSV_TERMIO # include # else # include # define termio termios # endif # else # if defined(TCSANOW) # define termio termios # endif # endif #endif #if defined(NO_CC_T) || !defined(USE_TERMIO) # if !defined(USE_TERMIO) typedef char cc_t; # else typedef unsigned char cc_t; # endif #endif #ifndef NO_STRING_H #include #else #include #endif #if defined(IPSEC) #include #if defined(IPSEC_POLICY_IPSEC) extern char *ipsec_policy_in; extern char *ipsec_policy_out; #endif #endif #ifndef _POSIX_VDISABLE # ifdef sun # include /* pick up VDISABLE definition, mayby */ # endif # ifdef VDISABLE # define _POSIX_VDISABLE VDISABLE # else # define _POSIX_VDISABLE ((cc_t)'\377') # endif #endif #define SUBBUFSIZE 256 #include #define P __P extern int autologin, /* Autologin enabled */ skiprc, /* Don't process the ~/.telnetrc file */ eight, /* use eight bit mode (binary in and/or out */ flushout, /* flush output */ connected, /* Are we connected to the other side? */ globalmode, /* Mode tty should be in */ In3270, /* Are we in 3270 mode? */ telnetport, /* Are we connected to the telnet port? */ localflow, /* Flow control handled locally */ restartany, /* If flow control, restart output on any character */ localchars, /* we recognize interrupt/quit */ donelclchars, /* the user has set "localchars" */ showoptions, net, /* Network file descriptor */ tin, /* Terminal input file descriptor */ tout, /* Terminal output file descriptor */ crlf, /* Should '\r' be mapped to (or )? */ autoflush, /* flush output when interrupting? */ autosynch, /* send interrupt characters with SYNCH? */ SYNCHing, /* Is the stream in telnet SYNCH mode? */ donebinarytoggle, /* the user has put us in binary */ dontlecho, /* do we suppress local echoing right now? */ crmod, netdata, /* Print out network data flow */ prettydump, /* Print "netdata" output in user readable format */ #if defined(unix) #if defined(TN3270) cursesdata, /* Print out curses data flow */ apitrace, /* Trace API transactions */ #endif /* defined(TN3270) */ termdata, /* Print out terminal data flow */ #endif /* defined(unix) */ debug, /* Debug level */ doaddrlookup, /* do a reverse address lookup? */ clienteof; /* Client received EOF */ extern cc_t escape; /* Escape to command mode */ extern cc_t rlogin; /* Rlogin mode escape character */ #ifdef KLUDGELINEMODE extern cc_t echoc; /* Toggle local echoing */ #endif extern char *prompt; /* Prompt for command. */ extern char doopt[], dont[], will[], wont[], options[], /* All the little options */ *hostname; /* Who are we connected to? */ #ifdef ENCRYPTION extern void (*encrypt_output) P((unsigned char *, int)); extern int (*decrypt_input) P((int)); #endif /* ENCRYPTION */ /* * We keep track of each side of the option negotiation. */ #define MY_STATE_WILL 0x01 #define MY_WANT_STATE_WILL 0x02 #define MY_STATE_DO 0x04 #define MY_WANT_STATE_DO 0x08 /* * Macros to check the current state of things */ #define my_state_is_do(opt) (options[opt]&MY_STATE_DO) #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL) #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO) #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL) #define my_state_is_dont(opt) (!my_state_is_do(opt)) #define my_state_is_wont(opt) (!my_state_is_will(opt)) #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt)) #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt)) #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;} #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;} #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;} #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;} #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;} #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;} #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;} #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;} /* * Make everything symetrical */ #define HIS_STATE_WILL MY_STATE_DO #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO #define HIS_STATE_DO MY_STATE_WILL #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL #define his_state_is_do my_state_is_will #define his_state_is_will my_state_is_do #define his_want_state_is_do my_want_state_is_will #define his_want_state_is_will my_want_state_is_do #define his_state_is_dont my_state_is_wont #define his_state_is_wont my_state_is_dont #define his_want_state_is_dont my_want_state_is_wont #define his_want_state_is_wont my_want_state_is_dont #define set_his_state_do set_my_state_will #define set_his_state_will set_my_state_do #define set_his_want_state_do set_my_want_state_will #define set_his_want_state_will set_my_want_state_do #define set_his_state_dont set_my_state_wont #define set_his_state_wont set_my_state_dont #define set_his_want_state_dont set_my_want_state_wont #define set_his_want_state_wont set_my_want_state_dont extern FILE *NetTrace; /* Where debugging output goes */ extern unsigned char NetTraceFile[]; /* Name of file where debugging output goes */ extern jmp_buf peerdied, toplevel; /* For error conditions. */ /* authenc.c */ int telnet_net_write P((unsigned char *, int)); void net_encrypt P((void)); int telnet_spin P((void)); char *telnet_getenv P((char *)); char *telnet_gets P((char *, char *, int, int)); /* commands.c */ int send_tncmd P((void (*)(int, int), char *, char *)); void _setlist_init P((void)); void set_escape_char P((char *)); int set_mode P((int)); int clear_mode P((int)); int modehelp P((int)); int suspend P((int, char *[])); int shell P((int, char *[])); int quit P((int, char *[])); int logout P((int, char *[])); int env_cmd P((int, char *[])); struct env_lst *env_find P((unsigned char *)); void env_init P((void)); struct env_lst *env_define P((unsigned char *, unsigned char *)); struct env_lst *env_undefine P((unsigned char *, unsigned char *)); struct env_lst *env_export P((unsigned char *, unsigned char *)); struct env_lst *env_unexport P((unsigned char *, unsigned char *)); struct env_lst *env_send P((unsigned char *, unsigned char *)); struct env_lst *env_list P((unsigned char *, unsigned char *)); unsigned char *env_default P((int, int )); unsigned char *env_getvalue P((unsigned char *)); void env_varval P((unsigned char *)); int auth_cmd P((int, char *[])); int ayt_status P((void)); int encrypt_cmd P((int, char *[])); int tn P((int, char *[])); void command P((int, char *, int)); void cmdrc P((const char *, const char *)); struct addrinfo; int sourceroute P((struct addrinfo *, char *, char **, int *, int*)); /* main.c */ void tninit P((void)); void usage P((void)); /* network.c */ void init_network P((void)); int stilloob P((void)); void setneturg P((void)); int netflush P((void)); /* sys_bsd.c */ void init_sys P((void)); int TerminalWrite P((char *, int)); int TerminalRead P((unsigned char *, int)); int TerminalAutoFlush P((void)); int TerminalSpecialChars P((int)); void TerminalFlushOutput P((void)); void TerminalSaveState P((void)); cc_t *tcval P((int)); void TerminalDefaultChars P((void)); void TerminalRestoreState P((void)); void TerminalNewMode P((int)); void TerminalSpeeds P((long *, long *)); int TerminalWindowSize P((long *, long *)); int NetClose P((int)); void NetNonblockingIO P((int, int)); void NetSigIO P((int, int)); void NetSetPgrp P((int)); void sys_telnet_init P((void)); int process_rings P((int , int , int , int , int , int)); /* telnet.c */ void init_telnet P((void)); void send_do P((int, int )); void send_dont P((int, int )); void send_will P((int, int )); void send_wont P((int, int )); void willoption P((int)); void wontoption P((int)); char **mklist P((char *, char *)); int is_unique P((char *, char **, char **)); int setup_term P((char *, int, int *)); char *gettermname P((void)); void lm_will P((unsigned char *, int)); void lm_wont P((unsigned char *, int)); void lm_do P((unsigned char *, int)); void lm_dont P((unsigned char *, int)); void lm_mode P((unsigned char *, int, int )); void slc_init P((void)); void slcstate P((void)); void slc_mode_export P((int)); void slc_mode_import P((int)); void slc_import P((int)); void slc_export P((void)); void slc P((unsigned char *, int)); void slc_check P((void)); void slc_start_reply P((void)); void slc_add_reply P((unsigned int, unsigned int, cc_t)); void slc_end_reply P((void)); int slc_update P((void)); void env_opt P((unsigned char *, int)); void env_opt_start P((void)); void env_opt_start_info P((void)); void env_opt_add P((unsigned char *)); int opt_welldefined P((char *)); void env_opt_end P((int)); int telrcv P((void)); int rlogin_susp P((void)); int Scheduler P((int)); void telnet P((const char *)); void xmitAO P((void)); void xmitEL P((void)); void xmitEC P((void)); int dosynch P((char *)); int get_status P((char *)); void intp P((void)); void sendbrk P((void)); void sendabort P((void)); void sendsusp P((void)); void sendeof P((void)); void sendayt P((void)); void sendnaws P((void)); void tel_enter_binary P((int)); void tel_leave_binary P((int)); /* terminal.c */ void init_terminal P((void)); int ttyflush P((int)); int getconnmode P((void)); void setconnmode P((int)); void setcommandmode P((void)); /* utilities.c */ void upcase P((char *)); int SetSockOpt P((int, int , int , int )); void SetNetTrace P((char *)); void Dump P((int, unsigned char *, int)); void printoption P((char *, int, int )); void optionstatus P((void)); void printsub P((int, unsigned char *, int)); void EmptyTerminal P((void)); void SetForExit P((void)); void Exit P((int)) __attribute__((__noreturn__)); void ExitString P((char *, int)) __attribute__((__noreturn__)); #ifndef USE_TERMIO extern struct tchars ntc; extern struct ltchars nltc; extern struct sgttyb nttyb; # define termEofChar ntc.t_eofc # define termEraseChar nttyb.sg_erase # define termFlushChar nltc.t_flushc # define termIntChar ntc.t_intrc # define termKillChar nttyb.sg_kill # define termLiteralNextChar nltc.t_lnextc # define termQuitChar ntc.t_quitc # define termSuspChar nltc.t_suspc # define termRprntChar nltc.t_rprntc # define termWerasChar nltc.t_werasc # define termStartChar ntc.t_startc # define termStopChar ntc.t_stopc # define termForw1Char ntc.t_brkc extern cc_t termForw2Char; extern cc_t termAytChar; # define termEofCharp (cc_t *)&ntc.t_eofc # define termEraseCharp (cc_t *)&nttyb.sg_erase # define termFlushCharp (cc_t *)&nltc.t_flushc # define termIntCharp (cc_t *)&ntc.t_intrc # define termKillCharp (cc_t *)&nttyb.sg_kill # define termLiteralNextCharp (cc_t *)&nltc.t_lnextc # define termQuitCharp (cc_t *)&ntc.t_quitc # define termSuspCharp (cc_t *)&nltc.t_suspc # define termRprntCharp (cc_t *)&nltc.t_rprntc # define termWerasCharp (cc_t *)&nltc.t_werasc # define termStartCharp (cc_t *)&ntc.t_startc # define termStopCharp (cc_t *)&ntc.t_stopc # define termForw1Charp (cc_t *)&ntc.t_brkc # define termForw2Charp (cc_t *)&termForw2Char # define termAytCharp (cc_t *)&termAytChar # else extern struct termio new_tc; # define termEofChar new_tc.c_cc[VEOF] # define termEraseChar new_tc.c_cc[VERASE] # define termIntChar new_tc.c_cc[VINTR] # define termKillChar new_tc.c_cc[VKILL] # define termQuitChar new_tc.c_cc[VQUIT] # ifndef VSUSP extern cc_t termSuspChar; # else # define termSuspChar new_tc.c_cc[VSUSP] # endif # if defined(VFLUSHO) && !defined(VDISCARD) # define VDISCARD VFLUSHO # endif # ifndef VDISCARD extern cc_t termFlushChar; # else # define termFlushChar new_tc.c_cc[VDISCARD] # endif # ifndef VWERASE extern cc_t termWerasChar; # else # define termWerasChar new_tc.c_cc[VWERASE] # endif # ifndef VREPRINT extern cc_t termRprntChar; # else # define termRprntChar new_tc.c_cc[VREPRINT] # endif # ifndef VLNEXT extern cc_t termLiteralNextChar; # else # define termLiteralNextChar new_tc.c_cc[VLNEXT] # endif # ifndef VSTART extern cc_t termStartChar; # else # define termStartChar new_tc.c_cc[VSTART] # endif # ifndef VSTOP extern cc_t termStopChar; # else # define termStopChar new_tc.c_cc[VSTOP] # endif # ifndef VEOL extern cc_t termForw1Char; # else # define termForw1Char new_tc.c_cc[VEOL] # endif # ifndef VEOL2 extern cc_t termForw2Char; # else # define termForw2Char new_tc.c_cc[VEOL] # endif # ifndef VSTATUS extern cc_t termAytChar; #else # define termAytChar new_tc.c_cc[VSTATUS] #endif # if !defined(CRAY) || defined(__STDC__) # define termEofCharp &termEofChar # define termEraseCharp &termEraseChar # define termIntCharp &termIntChar # define termKillCharp &termKillChar # define termQuitCharp &termQuitChar # define termSuspCharp &termSuspChar # define termFlushCharp &termFlushChar # define termWerasCharp &termWerasChar # define termRprntCharp &termRprntChar # define termLiteralNextCharp &termLiteralNextChar # define termStartCharp &termStartChar # define termStopCharp &termStopChar # define termForw1Charp &termForw1Char # define termForw2Charp &termForw2Char # define termAytCharp &termAytChar # else /* Work around a compiler bug */ # define termEofCharp 0 # define termEraseCharp 0 # define termIntCharp 0 # define termKillCharp 0 # define termQuitCharp 0 # define termSuspCharp 0 # define termFlushCharp 0 # define termWerasCharp 0 # define termRprntCharp 0 # define termLiteralNextCharp 0 # define termStartCharp 0 # define termStopCharp 0 # define termForw1Charp 0 # define termForw2Charp 0 # define termAytCharp 0 # endif #endif /* Tn3270 section */ #if defined(TN3270) extern int HaveInput, /* Whether an asynchronous I/O indication came in */ noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */ noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */ sigiocount, /* Count of SIGIO receptions */ shell_active; /* Subshell is active */ extern char *Ibackp, /* Oldest byte of 3270 data */ Ibuf[], /* 3270 buffer */ *Ifrontp, /* Where next 3270 byte goes */ tline[], *transcom; /* Transparent command */ /* tn3270.c */ void init_3270 P((void)); int DataToNetwork P((char *, int, int)); void inputAvailable P((int)); void outputPurge P((void)); int DataToTerminal P((char *, int)); int Push3270 P((void)); void Finish3270 P((void)); void StringToTerminal P((char *)); void _putchar P((int)); void SetIn3270 P((void)); int tn3270_ttype P((void)); int settranscom P((int, char *[])); int shell_continue P((void)); int DataFromTerminal __P((char *, int)); int DataFromNetwork __P((char *, int, int)); void ConnectScreen __P((void)); int DoTerminalOutput __P((void)); #endif /* defined(TN3270) */