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putty/sshttymodes.h

180 строки
5.5 KiB
C
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New system for handling SSH terminal modes. I've introduced a new POD struct type 'ssh_ttymodes' which stores an encoding of everything you can specify in the "pty-req" packet or the SSH-1 equivalent. This allows me to split up write_ttymodes_to_packet_from_conf() into two separate functions, one to parse all the ttymode data out of a Conf (and a Seat for fallback) and return one of those structures, and the other to write it into an SSH packet. While I'm at it, I've moved the special case of terminal speeds into the same mechanism, simplifying the call sites in both versions of the SSH protocol. The new master definition of all terminal modes lives in a header file, with an ifdef around each item, so that later on I'll be able to include it in a context that only enumerates the modes supported by the particular target Unix platform.
2018-10-12 21:25:59 +03:00
/*
* List of SSH terminal modes, indicating whether SSH types them as
* char or boolean, and if they're boolean, which POSIX flags field of
* a termios structure they appear in, and what bit mask removes them
* (e.g. CS7 and CS8 aren't single bits).
*
* Sources: RFC 4254, SSH-1 RFC-1.2.31, POSIX 2017, and the Linux
* termios manpage for flags not specified by POSIX.
*
* This is a separate header file rather than my usual style of a
* parametric list macro, because in this case I need to be able to
* #ifdef out each mode in case it's not defined on a particular
* target system.
*
* If you want only the locally defined modes, #define
* TTYMODES_LOCAL_ONLY before including this header.
*/
#if !defined TTYMODES_LOCAL_ONLY || defined VINTR
TTYMODE_CHAR(INTR, 1, VINTR)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined VQUIT
TTYMODE_CHAR(QUIT, 2, VQUIT)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined VERASE
TTYMODE_CHAR(ERASE, 3, VERASE)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined VKILL
TTYMODE_CHAR(KILL, 4, VKILL)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined VEOF
TTYMODE_CHAR(EOF, 5, VEOF)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined VEOL
TTYMODE_CHAR(EOL, 6, VEOL)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined VEOL2
TTYMODE_CHAR(EOL2, 7, VEOL2)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined VSTART
TTYMODE_CHAR(START, 8, VSTART)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined VSTOP
TTYMODE_CHAR(STOP, 9, VSTOP)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined VSUSP
TTYMODE_CHAR(SUSP, 10, VSUSP)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined VDSUSP
TTYMODE_CHAR(DSUSP, 11, VDSUSP)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined VREPRINT
TTYMODE_CHAR(REPRINT, 12, VREPRINT)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined VWERASE
TTYMODE_CHAR(WERASE, 13, VWERASE)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined VLNEXT
TTYMODE_CHAR(LNEXT, 14, VLNEXT)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined VFLUSH
TTYMODE_CHAR(FLUSH, 15, VFLUSH)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined VSWTCH
TTYMODE_CHAR(SWTCH, 16, VSWTCH)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined VSTATUS
TTYMODE_CHAR(STATUS, 17, VSTATUS)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined VDISCARD
TTYMODE_CHAR(DISCARD, 18, VDISCARD)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined IGNPAR
TTYMODE_FLAG(IGNPAR, 30, i, IGNPAR)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined PARMRK
TTYMODE_FLAG(PARMRK, 31, i, PARMRK)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined INPCK
TTYMODE_FLAG(INPCK, 32, i, INPCK)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined ISTRIP
TTYMODE_FLAG(ISTRIP, 33, i, ISTRIP)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined INLCR
TTYMODE_FLAG(INLCR, 34, i, INLCR)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined IGNCR
TTYMODE_FLAG(IGNCR, 35, i, IGNCR)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined ICRNL
TTYMODE_FLAG(ICRNL, 36, i, ICRNL)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined IUCLC
TTYMODE_FLAG(IUCLC, 37, i, IUCLC)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined IXON
TTYMODE_FLAG(IXON, 38, i, IXON)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined IXANY
TTYMODE_FLAG(IXANY, 39, i, IXANY)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined IXOFF
TTYMODE_FLAG(IXOFF, 40, i, IXOFF)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined IMAXBEL
TTYMODE_FLAG(IMAXBEL, 41, i, IMAXBEL)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined IUTF8
TTYMODE_FLAG(IUTF8, 42, i, IUTF8)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined ISIG
TTYMODE_FLAG(ISIG, 50, l, ISIG)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined ICANON
TTYMODE_FLAG(ICANON, 51, l, ICANON)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined XCASE
TTYMODE_FLAG(XCASE, 52, l, XCASE)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined ECHO
TTYMODE_FLAG(ECHO, 53, l, ECHO)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined ECHOE
TTYMODE_FLAG(ECHOE, 54, l, ECHOE)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined ECHOK
TTYMODE_FLAG(ECHOK, 55, l, ECHOK)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined ECHONL
TTYMODE_FLAG(ECHONL, 56, l, ECHONL)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined NOFLSH
TTYMODE_FLAG(NOFLSH, 57, l, NOFLSH)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined TOSTOP
TTYMODE_FLAG(TOSTOP, 58, l, TOSTOP)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined IEXTEN
TTYMODE_FLAG(IEXTEN, 59, l, IEXTEN)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined ECHOCTL
TTYMODE_FLAG(ECHOCTL, 60, l, ECHOCTL)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined ECHOKE
TTYMODE_FLAG(ECHOKE, 61, l, ECHOKE)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined PENDIN
TTYMODE_FLAG(PENDIN, 62, l, PENDIN)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined OPOST
TTYMODE_FLAG(OPOST, 70, o, OPOST)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined OLCUC
TTYMODE_FLAG(OLCUC, 71, o, OLCUC)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined ONLCR
TTYMODE_FLAG(ONLCR, 72, o, ONLCR)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined OCRNL
TTYMODE_FLAG(OCRNL, 73, o, OCRNL)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined ONOCR
TTYMODE_FLAG(ONOCR, 74, o, ONOCR)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined ONLRET
TTYMODE_FLAG(ONLRET, 75, o, ONLRET)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined CS7
TTYMODE_FLAG(CS7, 90, c, CSIZE)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined CS8
TTYMODE_FLAG(CS8, 91, c, CSIZE)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined PARENB
TTYMODE_FLAG(PARENB, 92, c, PARENB)
#endif
#if !defined TTYMODES_LOCAL_ONLY || defined PARODD
TTYMODE_FLAG(PARODD, 93, c, PARODD)
#endif