/* 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. */ #include "config.h" #if defined(sun) && !defined(__svr4__) #ifdef HAVE_SYS_TERMIOS_H #undef HAVE_SYS_IOCTL_H #endif #endif #include "includes.h" #undef P #include "defs.h" #include "protos.h" #include "socks.h" #if defined(__alpha__) || (defined(sun) && defined(__svr4__)) #undef BSD #endif #ifndef BSD #define BSD 43 #endif #ifndef HAVE_VFORK #define vfork fork #endif #ifndef HAVE_STRCHR #ifndef strchr #define strchr index #endif #endif #ifndef HAVE_STRRCHR #ifndef strrchr #define strrchr rindex #endif #endif #if defined(HAVE_TERMIO_H) || defined(HAVE_SYS_TERMIO_H) || defined(HAVE_TERMIOS_H) || defined(HAVE_SYS_TERMIOS_H) || BSD > 43 #define USE_TERMIO #endif #if (defined(HAVE_TERMIO_H) || defined(HAVE_SYS_TERMIO_H)) && !(defined(HAVE_TERMIOS_H) || defined(HAVE_SYS_TERMIOS_H)) #define SYSV_TERMIO #endif #include #ifdef HAVE_SYS_FILIO_H #include #endif #if defined(CRAY) && !defined(NO_BSD_SETJMP) #include #endif #if defined(USE_TERMIO) && !defined(VINTR) # ifdef SYSV_TERMIO # ifdef HAVE_SYS_TERMIO_H # include #elif defined(HAVE_TERMIO_H) # include # endif # else # ifdef HAVE_SYS_TERMIOS_H # include #elif defined(HAVE_TERMIOS_H) # include # endif # endif #endif #ifndef SYSV_TERMIO #define termio termios #endif #if defined(NO_CC_T) || !defined(USE_TERMIO) #ifndef USE_TERMIO typedef char cc_t; #else typedef unsigned char cc_t; #endif #endif #ifndef _POSIX_VDISABLE # ifdef VDISABLE # define _POSIX_VDISABLE VDISABLE # else # define _POSIX_VDISABLE ((cc_t)'\377') # endif #endif #define SUBBUFSIZE 256 #ifndef CRAY extern int errno; /* outside this world */ #endif 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 */ #ifdef TN3270 cursesdata, /* Print out curses data flow */ apitrace, /* Trace API transactions */ #endif /* defined(TN3270) */ termdata, /* Print out terminal data flow */ debug; /* Debug level */ 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? */ /* * 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 void SetNetTrace P((char *)); /* Function to change where debugging goes */ extern jmp_buf peerdied, toplevel; /* For error conditions. */ extern void command P((int, char *, int)), Dump P((char, unsigned char *, int)), init_3270 P((void)), printoption P((char *, int, int)), printsub P((char, unsigned char *, int)), sendnaws P((void)), setconnmode P((int)), setcommandmode P((void)), setneturg P((void)), set_escape_char P((char *)), sys_telnet_init P((void)), telnet P((char *)), tel_enter_binary P((int)), TerminalSpeeds P((long *, long *)), TerminalFlushOutput P((void)), TerminalDefaultChars P((void)), TerminalNewMode P((int)), TerminalRestoreState P((void)), TerminalSaveState P((void)), tel_leave_binary P((int)), tninit P((void)), upcase P((char *)), optionstatus P((void)), willoption P((int)), wontoption P((int)), env_init P((void)), ExitString P((char *, int)), Exit P((int)); extern void init_terminal P((void)), init_network P((void)), init_telnet P((void)), init_sys P((void)); extern void sendbrk P((void)), sendabort P((void)), sendsusp P((void)), sendeof P((void)), sendayt P((void)), sendnaws P((void)); extern int process_rings P((int, int, int, int, int, int)), SetSockOpt P((int, int, int, int)), TerminalWindowSize P((long *, long *)), TerminalSpecialChars P((int)), TerminalAutoFlush P((void)), TerminalWrite P((unsigned char *, int)), opt_welldefined P((char *)), ring_at_mark P((Ring *)), rlogin_susp P((void)), getconnmode P((void)), tn P((int, char *[])), netflush P((void)), NetClose P((int)), stilloob P((void)), ttyflush P((int)), telrcv P((void)), quit P((void)); extern void send_do P((int, int)), send_dont P((int, int)), send_will P((int, int)), send_wont P((int, int)); extern void lm_will P((unsigned char *, int)), lm_wont P((unsigned char *, int)), lm_do P((unsigned char *, int)), lm_dont P((unsigned char *, int)), lm_mode P((unsigned char *, int, int)); extern void slc_init P((void)), slcstate P((void)), slc_mode_export P((void)), slc_mode_import P((int)), slc_import P((int)), slc_export P((void)), slc P((unsigned char *, int)), slc_check P((void)), slc_start_reply P((void)), slc_add_reply P((int, int, int)), slc_end_reply P((void)); extern int slc_update P((void)); extern void env_opt P((unsigned char *, int)), env_opt_start P((void)), env_opt_start_info P((void)), env_opt_add P((unsigned char *)), env_opt_end P((int)); extern unsigned char *env_default P((int, int)), *env_getvalue P((unsigned char *)); extern int get_status P((void)), dosynch P((void)); extern cc_t *tcval P((int)); #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 /* Ring buffer structures which are shared */ extern Ring netoring, netiring, ttyoring, ttyiring; /* Tn3270 section */ #ifdef 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 */ extern int settranscom P((int, char**)); extern void inputAvailable P((int)); #endif /* defined(TN3270) */