ssh1.h

/* $OpenBSD: ssh1.h,v 1.7 2016/05/04 14:22:33 markus Exp $ */

/*
 * Author: Tatu Ylonen <[email protected]>
 * Copyright (c) 1995 Tatu Ylonen <[email protected]>, 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".
 */

/*
 * Definition of message types.  New values can be added, but old values
 * should not be removed or without careful consideration of the consequences
 * for compatibility.  The maximum value is 254; value 255 is reserved for
 * future extension.
 */
/* Ranges */
#define SSH_MSG_MIN             1
#define SSH_MSG_MAX             254
/* Message name */          /* msg code */  /* arguments */
#define SSH_MSG_DISCONNECT          1   /* cause (string) */
#define SSH_SMSG_PUBLIC_KEY         2   /* ck,msk,srvk,hostk */
#define SSH_CMSG_SESSION_KEY            3   /* key (BIGNUM) */
#define SSH_CMSG_USER               4   /* user (string) */
#define SSH_CMSG_AUTH_RHOSTS            5   /* user (string) */
#define SSH_CMSG_AUTH_RSA           6   /* modulus (BIGNUM) */
#define SSH_SMSG_AUTH_RSA_CHALLENGE     7   /* int (BIGNUM) */
#define SSH_CMSG_AUTH_RSA_RESPONSE      8   /* int (BIGNUM) */
#define SSH_CMSG_AUTH_PASSWORD          9   /* pass (string) */
#define SSH_CMSG_REQUEST_PTY            10  /* TERM, tty modes */
#define SSH_CMSG_WINDOW_SIZE            11  /* row,col,xpix,ypix */
#define SSH_CMSG_EXEC_SHELL         12  /* */
#define SSH_CMSG_EXEC_CMD           13  /* cmd (string) */
#define SSH_SMSG_SUCCESS            14  /* */
#define SSH_SMSG_FAILURE            15  /* */
#define SSH_CMSG_STDIN_DATA         16  /* data (string) */
#define SSH_SMSG_STDOUT_DATA            17  /* data (string) */
#define SSH_SMSG_STDERR_DATA            18  /* data (string) */
#define SSH_CMSG_EOF                19  /* */
#define SSH_SMSG_EXITSTATUS         20  /* status (int) */
#define SSH_MSG_CHANNEL_OPEN_CONFIRMATION   21  /* channel (int) */
#define SSH_MSG_CHANNEL_OPEN_FAILURE        22  /* channel (int) */
#define SSH_MSG_CHANNEL_DATA            23  /* ch,data (int,str) */
#define SSH_MSG_CHANNEL_CLOSE           24  /* channel (int) */
#define SSH_MSG_CHANNEL_CLOSE_CONFIRMATION  25  /* channel (int) */
/*      SSH_CMSG_X11_REQUEST_FORWARDING     26     OBSOLETE */
#define SSH_SMSG_X11_OPEN           27  /* channel (int) */
#define SSH_CMSG_PORT_FORWARD_REQUEST       28  /* p,host,hp (i,s,i) */
#define SSH_MSG_PORT_OPEN           29  /* ch,h,p (i,s,i) */
#define SSH_CMSG_AGENT_REQUEST_FORWARDING   30  /* */
#define SSH_SMSG_AGENT_OPEN         31  /* port (int) */
#define SSH_MSG_IGNORE              32  /* string */
#define SSH_CMSG_EXIT_CONFIRMATION      33  /* */
#define SSH_CMSG_X11_REQUEST_FORWARDING     34  /* proto,data (s,s) */
#define SSH_CMSG_AUTH_RHOSTS_RSA        35  /* user,mod (s,mpi) */
#define SSH_MSG_DEBUG               36  /* string */
#define SSH_CMSG_REQUEST_COMPRESSION        37  /* level 1-9 (int) */
#define SSH_CMSG_MAX_PACKET_SIZE        38  /* size 4k-1024k (int) */
#define SSH_CMSG_AUTH_TIS           39  /* we use this for s/key */
#define SSH_SMSG_AUTH_TIS_CHALLENGE     40  /* challenge (string) */
#define SSH_CMSG_AUTH_TIS_RESPONSE      41  /* response (string) */
#define SSH_CMSG_AUTH_KERBEROS          42  /* (KTEXT) */
#define SSH_SMSG_AUTH_KERBEROS_RESPONSE     43  /* (KTEXT) */
#define SSH_CMSG_HAVE_KERBEROS_TGT      44  /* credentials (s) */
#define SSH_CMSG_HAVE_AFS_TOKEN         65  /* token (s) */

/* protocol version 1.5 overloads some version 1.3 message types */
#define SSH_MSG_CHANNEL_INPUT_EOF   SSH_MSG_CHANNEL_CLOSE
#define SSH_MSG_CHANNEL_OUTPUT_CLOSE    SSH_MSG_CHANNEL_CLOSE_CONFIRMATION

/*
 * Authentication methods.  New types can be added, but old types should not
 * be removed for compatibility.  The maximum allowed value is 31.
 */
#define SSH_AUTH_RHOSTS     1
#define SSH_AUTH_RSA        2
#define SSH_AUTH_PASSWORD   3
#define SSH_AUTH_RHOSTS_RSA 4
#define SSH_AUTH_TIS        5
#define SSH_AUTH_KERBEROS   6
#define SSH_PASS_KERBEROS_TGT   7
                /* 8 to 15 are reserved */
#define SSH_PASS_AFS_TOKEN  21

/* Protocol flags.  These are bit masks. */
#define SSH_PROTOFLAG_SCREEN_NUMBER 1   /* X11 forwarding includes screen */
#define SSH_PROTOFLAG_HOST_IN_FWD_OPEN  2   /* forwarding opens contain host */