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-rw-r--r--crypto/openssh/ttymodes.c495
1 files changed, 0 insertions, 495 deletions
diff --git a/crypto/openssh/ttymodes.c b/crypto/openssh/ttymodes.c
deleted file mode 100644
index d8e2c55..0000000
--- a/crypto/openssh/ttymodes.c
+++ /dev/null
@@ -1,495 +0,0 @@
-/* $OpenBSD: ttymodes.c,v 1.26 2006/08/03 03:34:42 deraadt Exp $ */
-/*
- * Author: Tatu Ylonen <ylo@cs.hut.fi>
- * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
- * All rights reserved
- *
- * As far as I am concerned, the code I have written for this software
- * can be used freely for any purpose. Any derived versions of this
- * software must be clearly marked as such, and if the derived work is
- * incompatible with the protocol description in the RFC file, it must be
- * called by a name other than "ssh" or "Secure Shell".
- */
-
-/*
- * SSH2 tty modes support by Kevin Steves.
- * Copyright (c) 2001 Kevin Steves. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
- */
-
-/*
- * Encoding and decoding of terminal modes in a portable way.
- * Much of the format is defined in ttymodes.h; it is included multiple times
- * into this file with the appropriate macro definitions to generate the
- * suitable code.
- */
-
-#include "includes.h"
-
-#include <sys/types.h>
-
-#include <errno.h>
-#include <string.h>
-#include <termios.h>
-#include <stdarg.h>
-
-#include "packet.h"
-#include "log.h"
-#include "ssh1.h"
-#include "compat.h"
-#include "buffer.h"
-
-#define TTY_OP_END 0
-/*
- * uint32 (u_int) follows speed in SSH1 and SSH2
- */
-#define TTY_OP_ISPEED_PROTO1 192
-#define TTY_OP_OSPEED_PROTO1 193
-#define TTY_OP_ISPEED_PROTO2 128
-#define TTY_OP_OSPEED_PROTO2 129
-
-/*
- * Converts POSIX speed_t to a baud rate. The values of the
- * constants for speed_t are not themselves portable.
- */
-static int
-speed_to_baud(speed_t speed)
-{
- switch (speed) {
- case B0:
- return 0;
- case B50:
- return 50;
- case B75:
- return 75;
- case B110:
- return 110;
- case B134:
- return 134;
- case B150:
- return 150;
- case B200:
- return 200;
- case B300:
- return 300;
- case B600:
- return 600;
- case B1200:
- return 1200;
- case B1800:
- return 1800;
- case B2400:
- return 2400;
- case B4800:
- return 4800;
- case B9600:
- return 9600;
-
-#ifdef B19200
- case B19200:
- return 19200;
-#else /* B19200 */
-#ifdef EXTA
- case EXTA:
- return 19200;
-#endif /* EXTA */
-#endif /* B19200 */
-
-#ifdef B38400
- case B38400:
- return 38400;
-#else /* B38400 */
-#ifdef EXTB
- case EXTB:
- return 38400;
-#endif /* EXTB */
-#endif /* B38400 */
-
-#ifdef B7200
- case B7200:
- return 7200;
-#endif /* B7200 */
-#ifdef B14400
- case B14400:
- return 14400;
-#endif /* B14400 */
-#ifdef B28800
- case B28800:
- return 28800;
-#endif /* B28800 */
-#ifdef B57600
- case B57600:
- return 57600;
-#endif /* B57600 */
-#ifdef B76800
- case B76800:
- return 76800;
-#endif /* B76800 */
-#ifdef B115200
- case B115200:
- return 115200;
-#endif /* B115200 */
-#ifdef B230400
- case B230400:
- return 230400;
-#endif /* B230400 */
- default:
- return 9600;
- }
-}
-
-/*
- * Converts a numeric baud rate to a POSIX speed_t.
- */
-static speed_t
-baud_to_speed(int baud)
-{
- switch (baud) {
- case 0:
- return B0;
- case 50:
- return B50;
- case 75:
- return B75;
- case 110:
- return B110;
- case 134:
- return B134;
- case 150:
- return B150;
- case 200:
- return B200;
- case 300:
- return B300;
- case 600:
- return B600;
- case 1200:
- return B1200;
- case 1800:
- return B1800;
- case 2400:
- return B2400;
- case 4800:
- return B4800;
- case 9600:
- return B9600;
-
-#ifdef B19200
- case 19200:
- return B19200;
-#else /* B19200 */
-#ifdef EXTA
- case 19200:
- return EXTA;
-#endif /* EXTA */
-#endif /* B19200 */
-
-#ifdef B38400
- case 38400:
- return B38400;
-#else /* B38400 */
-#ifdef EXTB
- case 38400:
- return EXTB;
-#endif /* EXTB */
-#endif /* B38400 */
-
-#ifdef B7200
- case 7200:
- return B7200;
-#endif /* B7200 */
-#ifdef B14400
- case 14400:
- return B14400;
-#endif /* B14400 */
-#ifdef B28800
- case 28800:
- return B28800;
-#endif /* B28800 */
-#ifdef B57600
- case 57600:
- return B57600;
-#endif /* B57600 */
-#ifdef B76800
- case 76800:
- return B76800;
-#endif /* B76800 */
-#ifdef B115200
- case 115200:
- return B115200;
-#endif /* B115200 */
-#ifdef B230400
- case 230400:
- return B230400;
-#endif /* B230400 */
- default:
- return B9600;
- }
-}
-
-/*
- * Encode a special character into SSH line format.
- */
-static u_int
-special_char_encode(cc_t c)
-{
-#ifdef _POSIX_VDISABLE
- if (c == _POSIX_VDISABLE)
- return 255;
-#endif /* _POSIX_VDISABLE */
- return c;
-}
-
-/*
- * Decode a special character from SSH line format.
- */
-static cc_t
-special_char_decode(u_int c)
-{
-#ifdef _POSIX_VDISABLE
- if (c == 255)
- return _POSIX_VDISABLE;
-#endif /* _POSIX_VDISABLE */
- return c;
-}
-
-/*
- * Encodes terminal modes for the terminal referenced by fd
- * or tiop in a portable manner, and appends the modes to a packet
- * being constructed.
- */
-void
-tty_make_modes(int fd, struct termios *tiop)
-{
- struct termios tio;
- int baud;
- Buffer buf;
- int tty_op_ospeed, tty_op_ispeed;
- void (*put_arg)(Buffer *, u_int);
-
- buffer_init(&buf);
- if (compat20) {
- tty_op_ospeed = TTY_OP_OSPEED_PROTO2;
- tty_op_ispeed = TTY_OP_ISPEED_PROTO2;
- put_arg = buffer_put_int;
- } else {
- tty_op_ospeed = TTY_OP_OSPEED_PROTO1;
- tty_op_ispeed = TTY_OP_ISPEED_PROTO1;
- put_arg = (void (*)(Buffer *, u_int)) buffer_put_char;
- }
-
- if (tiop == NULL) {
- if (tcgetattr(fd, &tio) == -1) {
- logit("tcgetattr: %.100s", strerror(errno));
- goto end;
- }
- } else
- tio = *tiop;
-
- /* Store input and output baud rates. */
- baud = speed_to_baud(cfgetospeed(&tio));
- debug3("tty_make_modes: ospeed %d", baud);
- buffer_put_char(&buf, tty_op_ospeed);
- buffer_put_int(&buf, baud);
- baud = speed_to_baud(cfgetispeed(&tio));
- debug3("tty_make_modes: ispeed %d", baud);
- buffer_put_char(&buf, tty_op_ispeed);
- buffer_put_int(&buf, baud);
-
- /* Store values of mode flags. */
-#define TTYCHAR(NAME, OP) \
- debug3("tty_make_modes: %d %d", OP, tio.c_cc[NAME]); \
- buffer_put_char(&buf, OP); \
- put_arg(&buf, special_char_encode(tio.c_cc[NAME]));
-
-#define TTYMODE(NAME, FIELD, OP) \
- debug3("tty_make_modes: %d %d", OP, ((tio.FIELD & NAME) != 0)); \
- buffer_put_char(&buf, OP); \
- put_arg(&buf, ((tio.FIELD & NAME) != 0));
-
-#include "ttymodes.h"
-
-#undef TTYCHAR
-#undef TTYMODE
-
-end:
- /* Mark end of mode data. */
- buffer_put_char(&buf, TTY_OP_END);
- if (compat20)
- packet_put_string(buffer_ptr(&buf), buffer_len(&buf));
- else
- packet_put_raw(buffer_ptr(&buf), buffer_len(&buf));
- buffer_free(&buf);
-}
-
-/*
- * Decodes terminal modes for the terminal referenced by fd in a portable
- * manner from a packet being read.
- */
-void
-tty_parse_modes(int fd, int *n_bytes_ptr)
-{
- struct termios tio;
- int opcode, baud;
- int n_bytes = 0;
- int failure = 0;
- u_int (*get_arg)(void);
- int arg, arg_size;
-
- if (compat20) {
- *n_bytes_ptr = packet_get_int();
- debug3("tty_parse_modes: SSH2 n_bytes %d", *n_bytes_ptr);
- if (*n_bytes_ptr == 0)
- return;
- get_arg = packet_get_int;
- arg_size = 4;
- } else {
- get_arg = packet_get_char;
- arg_size = 1;
- }
-
- /*
- * Get old attributes for the terminal. We will modify these
- * flags. I am hoping that if there are any machine-specific
- * modes, they will initially have reasonable values.
- */
- if (tcgetattr(fd, &tio) == -1) {
- logit("tcgetattr: %.100s", strerror(errno));
- failure = -1;
- }
-
- for (;;) {
- n_bytes += 1;
- opcode = packet_get_char();
- switch (opcode) {
- case TTY_OP_END:
- goto set;
-
- /* XXX: future conflict possible */
- case TTY_OP_ISPEED_PROTO1:
- case TTY_OP_ISPEED_PROTO2:
- n_bytes += 4;
- baud = packet_get_int();
- debug3("tty_parse_modes: ispeed %d", baud);
- if (failure != -1 &&
- cfsetispeed(&tio, baud_to_speed(baud)) == -1)
- error("cfsetispeed failed for %d", baud);
- break;
-
- /* XXX: future conflict possible */
- case TTY_OP_OSPEED_PROTO1:
- case TTY_OP_OSPEED_PROTO2:
- n_bytes += 4;
- baud = packet_get_int();
- debug3("tty_parse_modes: ospeed %d", baud);
- if (failure != -1 &&
- cfsetospeed(&tio, baud_to_speed(baud)) == -1)
- error("cfsetospeed failed for %d", baud);
- break;
-
-#define TTYCHAR(NAME, OP) \
- case OP: \
- n_bytes += arg_size; \
- tio.c_cc[NAME] = special_char_decode(get_arg()); \
- debug3("tty_parse_modes: %d %d", OP, tio.c_cc[NAME]); \
- break;
-#define TTYMODE(NAME, FIELD, OP) \
- case OP: \
- n_bytes += arg_size; \
- if ((arg = get_arg())) \
- tio.FIELD |= NAME; \
- else \
- tio.FIELD &= ~NAME; \
- debug3("tty_parse_modes: %d %d", OP, arg); \
- break;
-
-#include "ttymodes.h"
-
-#undef TTYCHAR
-#undef TTYMODE
-
- default:
- debug("Ignoring unsupported tty mode opcode %d (0x%x)",
- opcode, opcode);
- if (!compat20) {
- /*
- * SSH1:
- * Opcodes 1 to 127 are defined to have
- * a one-byte argument.
- * Opcodes 128 to 159 are defined to have
- * an integer argument.
- */
- if (opcode > 0 && opcode < 128) {
- n_bytes += 1;
- (void) packet_get_char();
- break;
- } else if (opcode >= 128 && opcode < 160) {
- n_bytes += 4;
- (void) packet_get_int();
- break;
- } else {
- /*
- * It is a truly undefined opcode (160 to 255).
- * We have no idea about its arguments. So we
- * must stop parsing. Note that some data
- * may be left in the packet; hopefully there
- * is nothing more coming after the mode data.
- */
- logit("parse_tty_modes: unknown opcode %d",
- opcode);
- goto set;
- }
- } else {
- /*
- * SSH2:
- * Opcodes 1 to 159 are defined to have
- * a uint32 argument.
- * Opcodes 160 to 255 are undefined and
- * cause parsing to stop.
- */
- if (opcode > 0 && opcode < 160) {
- n_bytes += 4;
- (void) packet_get_int();
- break;
- } else {
- logit("parse_tty_modes: unknown opcode %d",
- opcode);
- goto set;
- }
- }
- }
- }
-
-set:
- if (*n_bytes_ptr != n_bytes) {
- *n_bytes_ptr = n_bytes;
- logit("parse_tty_modes: n_bytes_ptr != n_bytes: %d %d",
- *n_bytes_ptr, n_bytes);
- return; /* Don't process bytes passed */
- }
- if (failure == -1)
- return; /* Packet parsed ok but tcgetattr() failed */
-
- /* Set the new modes for the terminal. */
- if (tcsetattr(fd, TCSANOW, &tio) == -1)
- logit("Setting tty modes failed: %.100s", strerror(errno));
-}
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