1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * Author: Tatu Ylonen <ylo@cs.hut.fi> 3*0Sstevel@tonic-gate * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 4*0Sstevel@tonic-gate * All rights reserved 5*0Sstevel@tonic-gate * 6*0Sstevel@tonic-gate * As far as I am concerned, the code I have written for this software 7*0Sstevel@tonic-gate * can be used freely for any purpose. Any derived versions of this 8*0Sstevel@tonic-gate * software must be clearly marked as such, and if the derived work is 9*0Sstevel@tonic-gate * incompatible with the protocol description in the RFC file, it must be 10*0Sstevel@tonic-gate * called by a name other than "ssh" or "Secure Shell". 11*0Sstevel@tonic-gate */ 12*0Sstevel@tonic-gate 13*0Sstevel@tonic-gate /* 14*0Sstevel@tonic-gate * SSH2 tty modes support by Kevin Steves. 15*0Sstevel@tonic-gate * Copyright (c) 2001 Kevin Steves. All rights reserved. 16*0Sstevel@tonic-gate * 17*0Sstevel@tonic-gate * Redistribution and use in source and binary forms, with or without 18*0Sstevel@tonic-gate * modification, are permitted provided that the following conditions 19*0Sstevel@tonic-gate * are met: 20*0Sstevel@tonic-gate * 1. Redistributions of source code must retain the above copyright 21*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer. 22*0Sstevel@tonic-gate * 2. Redistributions in binary form must reproduce the above copyright 23*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer in the 24*0Sstevel@tonic-gate * documentation and/or other materials provided with the distribution. 25*0Sstevel@tonic-gate * 26*0Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 27*0Sstevel@tonic-gate * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 28*0Sstevel@tonic-gate * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 29*0Sstevel@tonic-gate * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 30*0Sstevel@tonic-gate * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 31*0Sstevel@tonic-gate * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32*0Sstevel@tonic-gate * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33*0Sstevel@tonic-gate * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34*0Sstevel@tonic-gate * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 35*0Sstevel@tonic-gate * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36*0Sstevel@tonic-gate */ 37*0Sstevel@tonic-gate /* 38*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 39*0Sstevel@tonic-gate * Use is subject to license terms. 40*0Sstevel@tonic-gate */ 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate /* 43*0Sstevel@tonic-gate * Encoding and decoding of terminal modes in a portable way. 44*0Sstevel@tonic-gate * Much of the format is defined in ttymodes.h; it is included multiple times 45*0Sstevel@tonic-gate * into this file with the appropriate macro definitions to generate the 46*0Sstevel@tonic-gate * suitable code. 47*0Sstevel@tonic-gate */ 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate #include "includes.h" 50*0Sstevel@tonic-gate RCSID("$OpenBSD: ttymodes.c,v 1.18 2002/06/19 00:27:55 deraadt Exp $"); 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate #include "packet.h" 55*0Sstevel@tonic-gate #include "log.h" 56*0Sstevel@tonic-gate #include "ssh1.h" 57*0Sstevel@tonic-gate #include "compat.h" 58*0Sstevel@tonic-gate #include "buffer.h" 59*0Sstevel@tonic-gate #include "bufaux.h" 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate #define TTY_OP_END 0 62*0Sstevel@tonic-gate /* 63*0Sstevel@tonic-gate * uint32 (u_int) follows speed in SSH1 and SSH2 64*0Sstevel@tonic-gate */ 65*0Sstevel@tonic-gate #define TTY_OP_ISPEED_PROTO1 192 66*0Sstevel@tonic-gate #define TTY_OP_OSPEED_PROTO1 193 67*0Sstevel@tonic-gate #define TTY_OP_ISPEED_PROTO2 128 68*0Sstevel@tonic-gate #define TTY_OP_OSPEED_PROTO2 129 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate /* 71*0Sstevel@tonic-gate * Converts POSIX speed_t to a baud rate. The values of the 72*0Sstevel@tonic-gate * constants for speed_t are not themselves portable. 73*0Sstevel@tonic-gate */ 74*0Sstevel@tonic-gate static int 75*0Sstevel@tonic-gate speed_to_baud(speed_t speed) 76*0Sstevel@tonic-gate { 77*0Sstevel@tonic-gate switch (speed) { 78*0Sstevel@tonic-gate case B0: 79*0Sstevel@tonic-gate return 0; 80*0Sstevel@tonic-gate case B50: 81*0Sstevel@tonic-gate return 50; 82*0Sstevel@tonic-gate case B75: 83*0Sstevel@tonic-gate return 75; 84*0Sstevel@tonic-gate case B110: 85*0Sstevel@tonic-gate return 110; 86*0Sstevel@tonic-gate case B134: 87*0Sstevel@tonic-gate return 134; 88*0Sstevel@tonic-gate case B150: 89*0Sstevel@tonic-gate return 150; 90*0Sstevel@tonic-gate case B200: 91*0Sstevel@tonic-gate return 200; 92*0Sstevel@tonic-gate case B300: 93*0Sstevel@tonic-gate return 300; 94*0Sstevel@tonic-gate case B600: 95*0Sstevel@tonic-gate return 600; 96*0Sstevel@tonic-gate case B1200: 97*0Sstevel@tonic-gate return 1200; 98*0Sstevel@tonic-gate case B1800: 99*0Sstevel@tonic-gate return 1800; 100*0Sstevel@tonic-gate case B2400: 101*0Sstevel@tonic-gate return 2400; 102*0Sstevel@tonic-gate case B4800: 103*0Sstevel@tonic-gate return 4800; 104*0Sstevel@tonic-gate case B9600: 105*0Sstevel@tonic-gate return 9600; 106*0Sstevel@tonic-gate 107*0Sstevel@tonic-gate #ifdef B19200 108*0Sstevel@tonic-gate case B19200: 109*0Sstevel@tonic-gate return 19200; 110*0Sstevel@tonic-gate #else /* B19200 */ 111*0Sstevel@tonic-gate #ifdef EXTA 112*0Sstevel@tonic-gate case EXTA: 113*0Sstevel@tonic-gate return 19200; 114*0Sstevel@tonic-gate #endif /* EXTA */ 115*0Sstevel@tonic-gate #endif /* B19200 */ 116*0Sstevel@tonic-gate 117*0Sstevel@tonic-gate #ifdef B38400 118*0Sstevel@tonic-gate case B38400: 119*0Sstevel@tonic-gate return 38400; 120*0Sstevel@tonic-gate #else /* B38400 */ 121*0Sstevel@tonic-gate #ifdef EXTB 122*0Sstevel@tonic-gate case EXTB: 123*0Sstevel@tonic-gate return 38400; 124*0Sstevel@tonic-gate #endif /* EXTB */ 125*0Sstevel@tonic-gate #endif /* B38400 */ 126*0Sstevel@tonic-gate 127*0Sstevel@tonic-gate #ifdef B7200 128*0Sstevel@tonic-gate case B7200: 129*0Sstevel@tonic-gate return 7200; 130*0Sstevel@tonic-gate #endif /* B7200 */ 131*0Sstevel@tonic-gate #ifdef B14400 132*0Sstevel@tonic-gate case B14400: 133*0Sstevel@tonic-gate return 14400; 134*0Sstevel@tonic-gate #endif /* B14400 */ 135*0Sstevel@tonic-gate #ifdef B28800 136*0Sstevel@tonic-gate case B28800: 137*0Sstevel@tonic-gate return 28800; 138*0Sstevel@tonic-gate #endif /* B28800 */ 139*0Sstevel@tonic-gate #ifdef B57600 140*0Sstevel@tonic-gate case B57600: 141*0Sstevel@tonic-gate return 57600; 142*0Sstevel@tonic-gate #endif /* B57600 */ 143*0Sstevel@tonic-gate #ifdef B76800 144*0Sstevel@tonic-gate case B76800: 145*0Sstevel@tonic-gate return 76800; 146*0Sstevel@tonic-gate #endif /* B76800 */ 147*0Sstevel@tonic-gate #ifdef B115200 148*0Sstevel@tonic-gate case B115200: 149*0Sstevel@tonic-gate return 115200; 150*0Sstevel@tonic-gate #endif /* B115200 */ 151*0Sstevel@tonic-gate #ifdef B230400 152*0Sstevel@tonic-gate case B230400: 153*0Sstevel@tonic-gate return 230400; 154*0Sstevel@tonic-gate #endif /* B230400 */ 155*0Sstevel@tonic-gate default: 156*0Sstevel@tonic-gate return 9600; 157*0Sstevel@tonic-gate } 158*0Sstevel@tonic-gate } 159*0Sstevel@tonic-gate 160*0Sstevel@tonic-gate /* 161*0Sstevel@tonic-gate * Converts a numeric baud rate to a POSIX speed_t. 162*0Sstevel@tonic-gate */ 163*0Sstevel@tonic-gate static speed_t 164*0Sstevel@tonic-gate baud_to_speed(int baud) 165*0Sstevel@tonic-gate { 166*0Sstevel@tonic-gate switch (baud) { 167*0Sstevel@tonic-gate case 0: 168*0Sstevel@tonic-gate return B0; 169*0Sstevel@tonic-gate case 50: 170*0Sstevel@tonic-gate return B50; 171*0Sstevel@tonic-gate case 75: 172*0Sstevel@tonic-gate return B75; 173*0Sstevel@tonic-gate case 110: 174*0Sstevel@tonic-gate return B110; 175*0Sstevel@tonic-gate case 134: 176*0Sstevel@tonic-gate return B134; 177*0Sstevel@tonic-gate case 150: 178*0Sstevel@tonic-gate return B150; 179*0Sstevel@tonic-gate case 200: 180*0Sstevel@tonic-gate return B200; 181*0Sstevel@tonic-gate case 300: 182*0Sstevel@tonic-gate return B300; 183*0Sstevel@tonic-gate case 600: 184*0Sstevel@tonic-gate return B600; 185*0Sstevel@tonic-gate case 1200: 186*0Sstevel@tonic-gate return B1200; 187*0Sstevel@tonic-gate case 1800: 188*0Sstevel@tonic-gate return B1800; 189*0Sstevel@tonic-gate case 2400: 190*0Sstevel@tonic-gate return B2400; 191*0Sstevel@tonic-gate case 4800: 192*0Sstevel@tonic-gate return B4800; 193*0Sstevel@tonic-gate case 9600: 194*0Sstevel@tonic-gate return B9600; 195*0Sstevel@tonic-gate 196*0Sstevel@tonic-gate #ifdef B19200 197*0Sstevel@tonic-gate case 19200: 198*0Sstevel@tonic-gate return B19200; 199*0Sstevel@tonic-gate #else /* B19200 */ 200*0Sstevel@tonic-gate #ifdef EXTA 201*0Sstevel@tonic-gate case 19200: 202*0Sstevel@tonic-gate return EXTA; 203*0Sstevel@tonic-gate #endif /* EXTA */ 204*0Sstevel@tonic-gate #endif /* B19200 */ 205*0Sstevel@tonic-gate 206*0Sstevel@tonic-gate #ifdef B38400 207*0Sstevel@tonic-gate case 38400: 208*0Sstevel@tonic-gate return B38400; 209*0Sstevel@tonic-gate #else /* B38400 */ 210*0Sstevel@tonic-gate #ifdef EXTB 211*0Sstevel@tonic-gate case 38400: 212*0Sstevel@tonic-gate return EXTB; 213*0Sstevel@tonic-gate #endif /* EXTB */ 214*0Sstevel@tonic-gate #endif /* B38400 */ 215*0Sstevel@tonic-gate 216*0Sstevel@tonic-gate #ifdef B7200 217*0Sstevel@tonic-gate case 7200: 218*0Sstevel@tonic-gate return B7200; 219*0Sstevel@tonic-gate #endif /* B7200 */ 220*0Sstevel@tonic-gate #ifdef B14400 221*0Sstevel@tonic-gate case 14400: 222*0Sstevel@tonic-gate return B14400; 223*0Sstevel@tonic-gate #endif /* B14400 */ 224*0Sstevel@tonic-gate #ifdef B28800 225*0Sstevel@tonic-gate case 28800: 226*0Sstevel@tonic-gate return B28800; 227*0Sstevel@tonic-gate #endif /* B28800 */ 228*0Sstevel@tonic-gate #ifdef B57600 229*0Sstevel@tonic-gate case 57600: 230*0Sstevel@tonic-gate return B57600; 231*0Sstevel@tonic-gate #endif /* B57600 */ 232*0Sstevel@tonic-gate #ifdef B76800 233*0Sstevel@tonic-gate case 76800: 234*0Sstevel@tonic-gate return B76800; 235*0Sstevel@tonic-gate #endif /* B76800 */ 236*0Sstevel@tonic-gate #ifdef B115200 237*0Sstevel@tonic-gate case 115200: 238*0Sstevel@tonic-gate return B115200; 239*0Sstevel@tonic-gate #endif /* B115200 */ 240*0Sstevel@tonic-gate #ifdef B230400 241*0Sstevel@tonic-gate case 230400: 242*0Sstevel@tonic-gate return B230400; 243*0Sstevel@tonic-gate #endif /* B230400 */ 244*0Sstevel@tonic-gate default: 245*0Sstevel@tonic-gate return B9600; 246*0Sstevel@tonic-gate } 247*0Sstevel@tonic-gate } 248*0Sstevel@tonic-gate 249*0Sstevel@tonic-gate /* 250*0Sstevel@tonic-gate * Encodes terminal modes for the terminal referenced by fd 251*0Sstevel@tonic-gate * or tiop in a portable manner, and appends the modes to a packet 252*0Sstevel@tonic-gate * being constructed. 253*0Sstevel@tonic-gate */ 254*0Sstevel@tonic-gate void 255*0Sstevel@tonic-gate tty_make_modes(int fd, struct termios *tiop) 256*0Sstevel@tonic-gate { 257*0Sstevel@tonic-gate struct termios tio; 258*0Sstevel@tonic-gate int baud; 259*0Sstevel@tonic-gate Buffer buf; 260*0Sstevel@tonic-gate int tty_op_ospeed, tty_op_ispeed; 261*0Sstevel@tonic-gate void (*put_arg)(Buffer *, u_int); 262*0Sstevel@tonic-gate 263*0Sstevel@tonic-gate buffer_init(&buf); 264*0Sstevel@tonic-gate if (compat20) { 265*0Sstevel@tonic-gate tty_op_ospeed = TTY_OP_OSPEED_PROTO2; 266*0Sstevel@tonic-gate tty_op_ispeed = TTY_OP_ISPEED_PROTO2; 267*0Sstevel@tonic-gate put_arg = buffer_put_int; 268*0Sstevel@tonic-gate } else { 269*0Sstevel@tonic-gate tty_op_ospeed = TTY_OP_OSPEED_PROTO1; 270*0Sstevel@tonic-gate tty_op_ispeed = TTY_OP_ISPEED_PROTO1; 271*0Sstevel@tonic-gate put_arg = (void (*)(Buffer *, u_int)) buffer_put_char; 272*0Sstevel@tonic-gate } 273*0Sstevel@tonic-gate 274*0Sstevel@tonic-gate if (tiop == NULL) { 275*0Sstevel@tonic-gate if (tcgetattr(fd, &tio) == -1) { 276*0Sstevel@tonic-gate log("tcgetattr: %.100s", strerror(errno)); 277*0Sstevel@tonic-gate goto end; 278*0Sstevel@tonic-gate } 279*0Sstevel@tonic-gate } else 280*0Sstevel@tonic-gate tio = *tiop; 281*0Sstevel@tonic-gate 282*0Sstevel@tonic-gate /* Store input and output baud rates. */ 283*0Sstevel@tonic-gate baud = speed_to_baud(cfgetospeed(&tio)); 284*0Sstevel@tonic-gate debug3("tty_make_modes: ospeed %d", baud); 285*0Sstevel@tonic-gate buffer_put_char(&buf, tty_op_ospeed); 286*0Sstevel@tonic-gate buffer_put_int(&buf, baud); 287*0Sstevel@tonic-gate baud = speed_to_baud(cfgetispeed(&tio)); 288*0Sstevel@tonic-gate debug3("tty_make_modes: ispeed %d", baud); 289*0Sstevel@tonic-gate buffer_put_char(&buf, tty_op_ispeed); 290*0Sstevel@tonic-gate buffer_put_int(&buf, baud); 291*0Sstevel@tonic-gate 292*0Sstevel@tonic-gate /* Store values of mode flags. */ 293*0Sstevel@tonic-gate #define TTYCHAR(NAME, OP) \ 294*0Sstevel@tonic-gate debug3("tty_make_modes: %d %d", OP, tio.c_cc[NAME]); \ 295*0Sstevel@tonic-gate buffer_put_char(&buf, OP); \ 296*0Sstevel@tonic-gate put_arg(&buf, tio.c_cc[NAME]); 297*0Sstevel@tonic-gate 298*0Sstevel@tonic-gate #define TTYMODE(NAME, FIELD, OP) \ 299*0Sstevel@tonic-gate debug3("tty_make_modes: %d %d", OP, ((tio.FIELD & NAME) != 0)); \ 300*0Sstevel@tonic-gate buffer_put_char(&buf, OP); \ 301*0Sstevel@tonic-gate put_arg(&buf, ((tio.FIELD & NAME) != 0)); 302*0Sstevel@tonic-gate 303*0Sstevel@tonic-gate #include "ttymodes.h" 304*0Sstevel@tonic-gate 305*0Sstevel@tonic-gate #undef TTYCHAR 306*0Sstevel@tonic-gate #undef TTYMODE 307*0Sstevel@tonic-gate 308*0Sstevel@tonic-gate end: 309*0Sstevel@tonic-gate /* Mark end of mode data. */ 310*0Sstevel@tonic-gate buffer_put_char(&buf, TTY_OP_END); 311*0Sstevel@tonic-gate if (compat20) 312*0Sstevel@tonic-gate packet_put_string(buffer_ptr(&buf), buffer_len(&buf)); 313*0Sstevel@tonic-gate else 314*0Sstevel@tonic-gate packet_put_raw(buffer_ptr(&buf), buffer_len(&buf)); 315*0Sstevel@tonic-gate buffer_free(&buf); 316*0Sstevel@tonic-gate } 317*0Sstevel@tonic-gate 318*0Sstevel@tonic-gate /* 319*0Sstevel@tonic-gate * Decodes terminal modes for the terminal referenced by fd in a portable 320*0Sstevel@tonic-gate * manner from a packet being read. 321*0Sstevel@tonic-gate */ 322*0Sstevel@tonic-gate void 323*0Sstevel@tonic-gate tty_parse_modes(int fd, int *n_bytes_ptr) 324*0Sstevel@tonic-gate { 325*0Sstevel@tonic-gate struct termios tio; 326*0Sstevel@tonic-gate int opcode, baud; 327*0Sstevel@tonic-gate int n_bytes = 0; 328*0Sstevel@tonic-gate int failure = 0; 329*0Sstevel@tonic-gate u_int (*get_arg)(void); 330*0Sstevel@tonic-gate int arg, arg_size; 331*0Sstevel@tonic-gate 332*0Sstevel@tonic-gate if (compat20) { 333*0Sstevel@tonic-gate *n_bytes_ptr = packet_get_int(); 334*0Sstevel@tonic-gate debug3("tty_parse_modes: SSH2 n_bytes %d", *n_bytes_ptr); 335*0Sstevel@tonic-gate if (*n_bytes_ptr == 0) 336*0Sstevel@tonic-gate return; 337*0Sstevel@tonic-gate get_arg = packet_get_int; 338*0Sstevel@tonic-gate arg_size = 4; 339*0Sstevel@tonic-gate } else { 340*0Sstevel@tonic-gate get_arg = packet_get_char; 341*0Sstevel@tonic-gate arg_size = 1; 342*0Sstevel@tonic-gate } 343*0Sstevel@tonic-gate 344*0Sstevel@tonic-gate /* 345*0Sstevel@tonic-gate * Get old attributes for the terminal. We will modify these 346*0Sstevel@tonic-gate * flags. I am hoping that if there are any machine-specific 347*0Sstevel@tonic-gate * modes, they will initially have reasonable values. 348*0Sstevel@tonic-gate */ 349*0Sstevel@tonic-gate if (tcgetattr(fd, &tio) == -1) { 350*0Sstevel@tonic-gate log("tcgetattr: %.100s", strerror(errno)); 351*0Sstevel@tonic-gate failure = -1; 352*0Sstevel@tonic-gate } 353*0Sstevel@tonic-gate 354*0Sstevel@tonic-gate for (;;) { 355*0Sstevel@tonic-gate n_bytes += 1; 356*0Sstevel@tonic-gate opcode = packet_get_char(); 357*0Sstevel@tonic-gate switch (opcode) { 358*0Sstevel@tonic-gate case TTY_OP_END: 359*0Sstevel@tonic-gate goto set; 360*0Sstevel@tonic-gate 361*0Sstevel@tonic-gate /* XXX: future conflict possible */ 362*0Sstevel@tonic-gate case TTY_OP_ISPEED_PROTO1: 363*0Sstevel@tonic-gate case TTY_OP_ISPEED_PROTO2: 364*0Sstevel@tonic-gate n_bytes += 4; 365*0Sstevel@tonic-gate baud = packet_get_int(); 366*0Sstevel@tonic-gate debug3("tty_parse_modes: ispeed %d", baud); 367*0Sstevel@tonic-gate if (failure != -1 && cfsetispeed(&tio, baud_to_speed(baud)) == -1) 368*0Sstevel@tonic-gate error("cfsetispeed failed for %d", baud); 369*0Sstevel@tonic-gate break; 370*0Sstevel@tonic-gate 371*0Sstevel@tonic-gate /* XXX: future conflict possible */ 372*0Sstevel@tonic-gate case TTY_OP_OSPEED_PROTO1: 373*0Sstevel@tonic-gate case TTY_OP_OSPEED_PROTO2: 374*0Sstevel@tonic-gate n_bytes += 4; 375*0Sstevel@tonic-gate baud = packet_get_int(); 376*0Sstevel@tonic-gate debug3("tty_parse_modes: ospeed %d", baud); 377*0Sstevel@tonic-gate if (failure != -1 && cfsetospeed(&tio, baud_to_speed(baud)) == -1) 378*0Sstevel@tonic-gate error("cfsetospeed failed for %d", baud); 379*0Sstevel@tonic-gate break; 380*0Sstevel@tonic-gate 381*0Sstevel@tonic-gate #define TTYCHAR(NAME, OP) \ 382*0Sstevel@tonic-gate case OP: \ 383*0Sstevel@tonic-gate n_bytes += arg_size; \ 384*0Sstevel@tonic-gate tio.c_cc[NAME] = get_arg(); \ 385*0Sstevel@tonic-gate debug3("tty_parse_modes: %d %d", OP, tio.c_cc[NAME]); \ 386*0Sstevel@tonic-gate break; 387*0Sstevel@tonic-gate #define TTYMODE(NAME, FIELD, OP) \ 388*0Sstevel@tonic-gate case OP: \ 389*0Sstevel@tonic-gate n_bytes += arg_size; \ 390*0Sstevel@tonic-gate if ((arg = get_arg())) \ 391*0Sstevel@tonic-gate tio.FIELD |= NAME; \ 392*0Sstevel@tonic-gate else \ 393*0Sstevel@tonic-gate tio.FIELD &= ~NAME; \ 394*0Sstevel@tonic-gate debug3("tty_parse_modes: %d %d", OP, arg); \ 395*0Sstevel@tonic-gate break; 396*0Sstevel@tonic-gate 397*0Sstevel@tonic-gate #include "ttymodes.h" 398*0Sstevel@tonic-gate 399*0Sstevel@tonic-gate #undef TTYCHAR 400*0Sstevel@tonic-gate #undef TTYMODE 401*0Sstevel@tonic-gate 402*0Sstevel@tonic-gate default: 403*0Sstevel@tonic-gate debug("Ignoring unsupported tty mode opcode %d (0x%x)", 404*0Sstevel@tonic-gate opcode, opcode); 405*0Sstevel@tonic-gate if (!compat20) { 406*0Sstevel@tonic-gate /* 407*0Sstevel@tonic-gate * SSH1: 408*0Sstevel@tonic-gate * Opcodes 1 to 127 are defined to have 409*0Sstevel@tonic-gate * a one-byte argument. 410*0Sstevel@tonic-gate * Opcodes 128 to 159 are defined to have 411*0Sstevel@tonic-gate * an integer argument. 412*0Sstevel@tonic-gate */ 413*0Sstevel@tonic-gate if (opcode > 0 && opcode < 128) { 414*0Sstevel@tonic-gate n_bytes += 1; 415*0Sstevel@tonic-gate (void) packet_get_char(); 416*0Sstevel@tonic-gate break; 417*0Sstevel@tonic-gate } else if (opcode >= 128 && opcode < 160) { 418*0Sstevel@tonic-gate n_bytes += 4; 419*0Sstevel@tonic-gate (void) packet_get_int(); 420*0Sstevel@tonic-gate break; 421*0Sstevel@tonic-gate } else { 422*0Sstevel@tonic-gate /* 423*0Sstevel@tonic-gate * It is a truly undefined opcode (160 to 255). 424*0Sstevel@tonic-gate * We have no idea about its arguments. So we 425*0Sstevel@tonic-gate * must stop parsing. Note that some data may be 426*0Sstevel@tonic-gate * left in the packet; hopefully there is nothing 427*0Sstevel@tonic-gate * more coming after the mode data. 428*0Sstevel@tonic-gate */ 429*0Sstevel@tonic-gate log("parse_tty_modes: unknown opcode %d", opcode); 430*0Sstevel@tonic-gate goto set; 431*0Sstevel@tonic-gate } 432*0Sstevel@tonic-gate } else { 433*0Sstevel@tonic-gate /* 434*0Sstevel@tonic-gate * SSH2: 435*0Sstevel@tonic-gate * Opcodes 1 to 159 are defined to have 436*0Sstevel@tonic-gate * a uint32 argument. 437*0Sstevel@tonic-gate * Opcodes 160 to 255 are undefined and 438*0Sstevel@tonic-gate * cause parsing to stop. 439*0Sstevel@tonic-gate */ 440*0Sstevel@tonic-gate if (opcode > 0 && opcode < 160) { 441*0Sstevel@tonic-gate n_bytes += 4; 442*0Sstevel@tonic-gate (void) packet_get_int(); 443*0Sstevel@tonic-gate break; 444*0Sstevel@tonic-gate } else { 445*0Sstevel@tonic-gate log("parse_tty_modes: unknown opcode %d", opcode); 446*0Sstevel@tonic-gate goto set; 447*0Sstevel@tonic-gate } 448*0Sstevel@tonic-gate } 449*0Sstevel@tonic-gate } 450*0Sstevel@tonic-gate } 451*0Sstevel@tonic-gate 452*0Sstevel@tonic-gate set: 453*0Sstevel@tonic-gate if (*n_bytes_ptr != n_bytes) { 454*0Sstevel@tonic-gate *n_bytes_ptr = n_bytes; 455*0Sstevel@tonic-gate log("parse_tty_modes: n_bytes_ptr != n_bytes: %d %d", 456*0Sstevel@tonic-gate *n_bytes_ptr, n_bytes); 457*0Sstevel@tonic-gate return; /* Don't process bytes passed */ 458*0Sstevel@tonic-gate } 459*0Sstevel@tonic-gate if (failure == -1) 460*0Sstevel@tonic-gate return; /* Packet parsed ok but tcgetattr() failed */ 461*0Sstevel@tonic-gate 462*0Sstevel@tonic-gate /* Set the new modes for the terminal. */ 463*0Sstevel@tonic-gate if (tcsetattr(fd, TCSANOW, &tio) == -1) 464*0Sstevel@tonic-gate log("Setting tty modes failed: %.100s", strerror(errno)); 465*0Sstevel@tonic-gate } 466