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Function cfmakeraw() is simulated when missing
This commit is contained in:
Gerhard Rieger
parent
3f63c9889f
commit
81c4892599
6 changed files with 39 additions and 12 deletions
5
CHANGES
5
CHANGES
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@ -89,6 +89,11 @@ corrections:
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Test: FDOUT_ERROR
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Issue reported by Hendrik.
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Added option termios-cfmakeraw that calls cfmakeraw() and is preferred
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over option raw which is now obsolote. On SysV systems this call is
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simulated by appropriate setting.
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Thanks to Youfu Zhang for reporting issue with option raw.
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porting:
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Socat included <sys/poll.h> instead of POSIX <poll.h>
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Thanks to John Spencer for reporting this issue.
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@ -459,6 +459,9 @@
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/* Define if you have the /dev/ptc pseudo terminal multiplexer */
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#undef HAVE_DEV_PTC
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/* Define if you have the cfmakeraw() function */
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#undef HAVE_CFMAKERAW
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/* Define if you have the long long type */
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#undef HAVE_TYPE_LONGLONG
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@ -91,6 +91,7 @@ dnl Checks for setgrent, getgrent and endgrent.
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AC_CHECK_FUNCS(setgrent getgrent endgrent)
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dnl Checks for getgrouplist() /* BSD */
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AC_CHECK_FUNCS(getgrouplist)
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AC_CHECK_FUNCS(cfmakeraw)
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dnl Link libresolv if necessary (for Mac OS X)
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AC_SEARCH_LIBS([res_9_init], [resolv])
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@ -101,7 +102,6 @@ AC_CHECK_FUNC(hstrerror, , AC_CHECK_LIB(resolv, hstrerror, [LIBS="$LIBS -lresol
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AC_CHECK_FUNC(gethostent, , AC_CHECK_LIB(nsl, gethostent))
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AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
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dnl Check for function prototype and in lib
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dnl arg1: function name
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dnl arg2: required include files beyond sysincludes.h
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25
doc/socat.yo
25
doc/socat.yo
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@ -2426,12 +2426,16 @@ Note: On some operating systems, these options may not be
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available. Use link(ispeed)(OPTION_ISPEED) or link(ospeed)(OPTION_OSPEED)
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instead.
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label(OPTION_ECHO)dit(bf(tt(echo=<bool>)))
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Enables or disables local echo (link(example)(EXAMPLE_OPTION_ECHO)).
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Enables or disables local echo.
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label(OPTION_ICANON)dit(bf(tt(icanon=<bool>)))
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Sets or clears canonical mode, enabling line buffering and some special
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characters.
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label(OPTION_RAW)dit(bf(tt(raw)))
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Sets raw mode, thus passing input and output almost unprocessed (link(example)(EXAMPLE_OPTION_RAW)).
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Sets raw mode, thus passing input and output almost unprocessed. This option is obsolete, use option link(rawer)(OPTION_TERMIOS_RAWER) or link(cfmakeraw)(OPTION_TERMIOS_CFMAKERAW) instead.
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label(OPTION_TERMIOS_RAWER)dit(bf(tt(rawer)))
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Makes terminal rawer than link(raw)(OPTION_RAW) option. This option implicitly turns off echo. (link(example)(EXAMPLE_OPTION_TERMIOS_RAWER)).
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label(OPTION_TERMIOS_CFMAKERAW)dit(bf(tt(cfmakeraw)))
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Sets raw mode by invoking tt(cfmakeraw()) or by simulating this call. This option implicitly turns off echo.
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label(OPTION_IGNBRK)dit(bf(tt(ignbrk=<bool>)))
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Ignores or interpretes the BREAK character (e.g., ^C)
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label(OPTION_BRKINT)dit(bf(tt(brkint=<bool>)))
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@ -3021,13 +3025,12 @@ at most 512 data bytes per packet (link(mss)(OPTION_MSS)).
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label(EXAMPLE_ADDRESS_GOPEN)
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label(EXAMPLE_OPTION_RAW)
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label(EXAMPLE_OPTION_ECHO)
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label(EXAMPLE_OPTION_TERMIOS_RAWER)
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label(EXAMPLE_OPTION_ESCAPE)
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dit(bf(tt(socat -,raw,echo=0,escape=0x0f /dev/ttyS0,raw,echo=0,crnl)))
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dit(bf(tt(socat -,escape=0x0f /dev/ttyS0,rawer,crnl)))
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opens an interactive connection via the serial line, e.g. for talking with a
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modem. link(raw)(OPTION_RAW) and link(echo)(OPTION_ECHO) set the console's and
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modem. link(rawer)(OPTION_TERMIOS_RAWER) and link(echo)(OPTION_ECHO) set the console's and
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ttyS0's terminal parameters to practicable values, link(crnl)(OPTION_CRNL)
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converts to correct newline characters. link(escape)(OPTION_ESCAPE) allows to
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terminate the socat process with character control-O.
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@ -3150,12 +3153,12 @@ label(EXAMPLE_OPTION_WAIT_SLAVE)
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label(EXAMPLE_OPTION_NONBLOCK)
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mancommand(\.LP)
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mancommand(\.nf)
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mancommand(\fBsocat PTY,link=$HOME/dev/vmodem0,raw,echo=0,wait-slave \\\bf)
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mancommand(\fBEXEC:"ssh modemserver.us.org socat - /dev/ttyS0,nonblock,raw,echo=0"\fP)
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mancommand(\fBsocat PTY,link=$HOME/dev/vmodem0,rawer,wait-slave \\\bf)
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mancommand(\fBEXEC:"ssh modemserver.us.org socat - /dev/ttyS0,nonblock,rawer"\fP)
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mancommand(\.fi)
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htmlcommand(<dt><code><strong>socat PTY,link=$HOME/dev/vmodem0,raw,echo=0,wait-slave \</strong><br>
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<strong>EXEC:'"ssh modemserver.us.org socat - /dev/ttyS0,nonblock,raw,echo=0"'</strong></code><dd>)
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htmlcommand(<dt><code><strong>socat PTY,link=$HOME/dev/vmodem0,rawer,wait-slave \</strong><br>
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<strong>EXEC:'"ssh modemserver.us.org socat - /dev/ttyS0,nonblock,rawer"'</strong></code><dd>)
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generates a pseudo terminal
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device (link(PTY)(ADDRESS_PTY)) on the client that can be reached under the
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@ -3294,7 +3297,7 @@ may thus cause packet loss.
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label(EXAMPLE_INTERFACE)
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dit(bf(tt(socat PTY,link=/var/run/ppp,raw,echo=0 INTERFACE:hdlc0)))
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dit(bf(tt(socat PTY,link=/var/run/ppp,rawer INTERFACE:hdlc0)))
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circumvents the problem that pppd requires a serial device and thus might not
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be able to work on a synchronous line that is represented by a network device.
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@ -139,6 +139,7 @@ extern const struct optdesc opt_ispeed;
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extern const struct optdesc opt_ospeed;
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extern const struct optdesc opt_termios_rawer;
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extern const struct optdesc opt_termios_cfmakeraw;
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#if _WITH_TERMIOS /* otherwise tcflag_t might be reported undefined */
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extern int xiotermios_setflag(int fd, int word, tcflag_t mask);
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15
xioopts.c
15
xioopts.c
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@ -277,6 +277,7 @@ const struct optname optionnames[] = {
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IF_OPENSSL("capath", &opt_openssl_capath)
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IF_OPENSSL("cert", &opt_openssl_certificate)
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IF_OPENSSL("certificate", &opt_openssl_certificate)
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IF_TERMIOS("cfmakeraw", &opt_termios_cfmakeraw)
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IF_ANY ("chroot", &opt_chroot)
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IF_ANY ("chroot-early", &opt_chroot_early)
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/*IF_TERMIOS("cibaud", &opt_cibaud)*/
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@ -3654,6 +3655,7 @@ int applyopts(int fd, struct opt *opts, enum e_phase phase) {
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termarg.c_iflag = 0;
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termarg.c_oflag = 0;
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termarg.c_lflag = 0;
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termarg.c_cflag = (CS8);
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termarg.c_cc[VMIN] = 1;
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termarg.c_cc[VTIME] = 0;
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break;
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@ -3744,6 +3746,19 @@ int applyopts(int fd, struct opt *opts, enum e_phase phase) {
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termarg.c_lflag |= (ISIG|ICANON|IEXTEN|ECHO|ECHOE|ECHOK|ECHOCTL|ECHOKE);
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/*! "sets characters to their default values... - which? */
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break;
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case OPT_TERMIOS_CFMAKERAW:
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#if HAVE_CFMAKERAW
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cfmakeraw(&termarg);
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#else
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/* these setting follow the Linux documenation of cfmakeraw */
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termarg.c_iflag &=
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~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
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termarg.c_oflag &= ~(OPOST);
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termarg.c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
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termarg.c_cflag &= ~(CSIZE|PARENB);
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termarg.c_cflag |= (CS8);
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#endif
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break;
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default:
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Error("TERMIOS option not handled - internal error?");
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}
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