/* $NetBSD: externs.h,v 1.38 2016/10/04 14:35:38 joerg 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. 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 */ #include #include #include #include #include #include #include #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 extern int autologin, /* Autologin enabled */ skiprc, /* Don't process the ~/.telnetrc file */ eight, /* use eight bit mode (binary in and/or out */ family, /* address family of peer */ 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 */ #ifdef TN3270 cursesdata, /* Print out curses data flow */ apitrace, /* Trace API transactions */ #endif /* defined(TN3270) */ termdata, /* Print out terminal data flow */ telnet_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)(unsigned char *, int); extern int (*decrypt_input)(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 symmetrical */ #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 char NetTraceFile[]; /* Name of file where debugging output goes */ extern jmp_buf toplevel; /* For error conditions. */ /* authenc.c */ int telnet_net_write(unsigned char *, int); void net_encrypt(void); int telnet_spin(void); char *telnet_getenv(char *); char *telnet_gets(char *, char *, int, int); /* commands.c */ int send_tncmd(void (*)(int, int), const char *, char *); void _setlist_init(void); void set_escape_char(char *); int set_mode(int); int clear_mode(int); int modehelp(int); int suspend(int, char *[]); int shell(int, char *[]); int quit(int, char *[]); int logout(int, char *[]); int env_cmd(int, char *[]); struct env_lst *env_find(const unsigned char *); void env_init(void); struct env_lst *env_define(const unsigned char *, unsigned char *); struct env_lst *env_undefine(const unsigned char *, unsigned char *); struct env_lst *env_export(const unsigned char *, unsigned char *); struct env_lst *env_unexport(const unsigned char *, unsigned char *); struct env_lst *env_send(const unsigned char *, unsigned char *); struct env_lst *env_list(const unsigned char *, unsigned char *); unsigned char *env_default(int, int ); unsigned char *env_getvalue(const unsigned char *); void env_varval(const unsigned char *); int auth_cmd(int, char *[]); int ayt_status(void); int encrypt_cmd(int, char *[]); int tn(int, char *[]); void command(int, const char *, int); void cmdrc(const char *, const char *); struct addrinfo; /* main.c */ void tninit(void); void usage(void) __dead; /* network.c */ void init_network(void); int stilloob(void); void setneturg(void); int netflush(void); /* sys_bsd.c */ void init_sys(void); int TerminalWrite(char *, int); int TerminalRead(unsigned char *, int); int TerminalAutoFlush(void); int TerminalSpecialChars(int); void TerminalFlushOutput(void); void TerminalSaveState(void); cc_t *tcval(int); void TerminalDefaultChars(void); void TerminalRestoreState(void); void TerminalNewMode(int); void TerminalSpeeds(long *, long *); int TerminalWindowSize(long *, long *); int NetClose(int); void NetNonblockingIO(int, int); void NetSigIO(int, int); void NetSetPgrp(int); void sys_telnet_init(void); int process_rings(int , int , int , int , int , int); /* telnet.c */ void init_telnet(void); void send_do(int, int ); void send_dont(int, int ); void send_will(int, int ); void send_wont(int, int ); void willoption(int); void wontoption(int); char **mklist(char *, char *); int is_unique(char *, char **, char **); int setup_term(char *, int, int *); char *gettermname(void); void lm_will(unsigned char *, int); void lm_wont(unsigned char *, int); void lm_do(unsigned char *, int); void lm_dont(unsigned char *, int); void lm_mode(unsigned char *, int, int ); void slc_init(void); void slcstate(void); void slc_mode_export(int); void slc_mode_import(int); void slc_import(int); void slc_export(void); void slc(unsigned char *, int); void slc_check(void); void slc_start_reply(void); void slc_add_reply(unsigned int, unsigned int, cc_t); void slc_end_reply(void); int slc_update(void); void env_opt(unsigned char *, int); void env_opt_start(void); void env_opt_start_info(void); void env_opt_add(unsigned char *); int opt_welldefined(const char *); void env_opt_end(int); int telrcv(void); int rlogin_susp(void); int Scheduler(int); void telnet(const char *); void xmitAO(void); void xmitEL(void); void xmitEC(void); int dosynch(char *); int get_status(char *); void intp(void); void sendbrk(void); void sendabort(void); void sendsusp(void); void sendeof(void); void sendayt(void); void sendnaws(void); void tel_enter_binary(int); void tel_leave_binary(int); /* terminal.c */ void init_terminal(void); int ttyflush(int); int getconnmode(void); void setconnmode(int); void setcommandmode(void); /* utilities.c */ void upcase(char *); int SetSockOpt(int, int, int, int); void SetNetTrace(char *); void Dump(int, unsigned char *, int); void printoption(const char *, int, int ); void optionstatus(void); void printsub(int, unsigned char *, int); void EmptyTerminal(void); void SetForExit(void); void Exit(int) __attribute__((__noreturn__)); void ExitString(const char *, int) __attribute__((__noreturn__)); extern struct termios 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] # define termSuspChar new_tc.c_cc[VSUSP] # define termFlushChar new_tc.c_cc[VDISCARD] # define termWerasChar new_tc.c_cc[VWERASE] # define termRprntChar new_tc.c_cc[VREPRINT] # define termLiteralNextChar new_tc.c_cc[VLNEXT] # define termStartChar new_tc.c_cc[VSTART] # define termStopChar new_tc.c_cc[VSTOP] # define termForw1Char new_tc.c_cc[VEOL] # define termForw2Char new_tc.c_cc[VEOL] # define termAytChar new_tc.c_cc[VSTATUS] # 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 /* 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[200], *transcom; /* Transparent command */ /* tn3270.c */ void init_3270(void); int DataToNetwork(char *, int, int); void inputAvailable(int); void outputPurge(void); int DataToTerminal(char *, int); int Push3270(void); void Finish3270(void); void StringToTerminal(char *); int _putchar(int); void SetIn3270(void); int tn3270_ttype(void); int settranscom(int, char *[]); int shell_continue(void); int DataFromTerminal(char *, int); int DataFromNetwork(char *, int, int); void ConnectScreen(void); int DoTerminalOutput(void); #endif /* defined(TN3270) */