[openssh.git] / ssh2.h

/*
 * draft-ietf-secsh-architecture-05.txt
 *
 *   Transport layer protocol:
 *
 *     1-19     Transport layer generic (e.g. disconnect, ignore, debug,
 *              etc)
 *     20-29    Algorithm negotiation
 *     30-49    Key exchange method specific (numbers can be reused for
 *              different authentication methods)
 *
 *   User authentication protocol:
 *
 *     50-59    User authentication generic
 *     60-79    User authentication method specific (numbers can be reused
 *              for different authentication methods)
 *
 *   Connection protocol:
 *
 *     80-89    Connection protocol generic
 *     90-127   Channel related messages
 *
 *   Reserved for client protocols:
 *
 *     128-191  Reserved
 *
 *   Local extensions:
 *
 *     192-255  Local extensions
 */
/* RCSID("$OpenBSD: ssh2.h,v 1.3 2000/05/15 07:03:12 markus Exp $"); */

/* transport layer: generic */

#define SSH2_MSG_DISCONNECT				1
#define SSH2_MSG_IGNORE					2
#define SSH2_MSG_UNIMPLEMENTED				3
#define SSH2_MSG_DEBUG					4
#define SSH2_MSG_SERVICE_REQUEST			5
#define SSH2_MSG_SERVICE_ACCEPT				6

/* transport layer: alg negotiation */

#define SSH2_MSG_KEXINIT				20
#define SSH2_MSG_NEWKEYS				21

/* transport layer: kex specific messages, can be reused */

#define SSH2_MSG_KEXDH_INIT				30
#define SSH2_MSG_KEXDH_REPLY				31

/* user authentication: generic */

#define SSH2_MSG_USERAUTH_REQUEST			50
#define SSH2_MSG_USERAUTH_FAILURE			51
#define SSH2_MSG_USERAUTH_SUCCESS			52
#define SSH2_MSG_USERAUTH_BANNER			53

/* user authentication: method specific, can be reused */

#define SSH2_MSG_USERAUTH_PK_OK				60
#define SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ		60
#define SSH2_MSG_USERAUTH_INFO_REQUEST			60
#define SSH2_MSG_USERAUTH_INFO_RESPONSE			61

/* connection protocol: generic */

#define SSH2_MSG_GLOBAL_REQUEST				80
#define SSH2_MSG_REQUEST_SUCCESS			81
#define SSH2_MSG_REQUEST_FAILURE			82

/* channel related messages */

#define SSH2_MSG_CHANNEL_OPEN				90
#define SSH2_MSG_CHANNEL_OPEN_CONFIRMATION		91
#define SSH2_MSG_CHANNEL_OPEN_FAILURE			92
#define SSH2_MSG_CHANNEL_WINDOW_ADJUST			93
#define SSH2_MSG_CHANNEL_DATA				94
#define SSH2_MSG_CHANNEL_EXTENDED_DATA			95
#define SSH2_MSG_CHANNEL_EOF				96
#define SSH2_MSG_CHANNEL_CLOSE				97
#define SSH2_MSG_CHANNEL_REQUEST			98
#define SSH2_MSG_CHANNEL_SUCCESS			99
#define SSH2_MSG_CHANNEL_FAILURE			100

/* disconnect reason code */

#define SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT	1
#define SSH2_DISCONNECT_PROTOCOL_ERROR			2
#define SSH2_DISCONNECT_KEY_EXCHANGE_FAILED		3
#define SSH2_DISCONNECT_HOST_AUTHENTICATION_FAILED	4
#define SSH2_DISCONNECT_RESERVED			4
#define SSH2_DISCONNECT_MAC_ERROR			5
#define SSH2_DISCONNECT_COMPRESSION_ERROR		6
#define SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE		7
#define SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED	8
#define SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE		9
#define SSH2_DISCONNECT_CONNECTION_LOST			10
#define SSH2_DISCONNECT_BY_APPLICATION			11
#define SSH2_DISCONNECT_TOO_MANY_CONNECTIONS		12
#define SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER		13
#define SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE	14
#define SSH2_DISCONNECT_ILLEGAL_USER_NAME		15

/* misc */

#define SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED		1
#define SSH2_OPEN_CONNECT_FAILED			2
#define SSH2_OPEN_UNKNOWN_CHANNEL_TYPE			3
#define SSH2_OPEN_RESOURCE_SHORTAGE			4

#define SSH2_EXTENDED_DATA_STDERR			1
Commit	Line	Data
7368a6c8	1	/*
0e73cc53	2	* draft-ietf-secsh-architecture-05.txt
7368a6c8	3	*
7368a6c8	4	* Transport layer protocol:
6ae2364d	5	*
7368a6c8	6	* 1-19 Transport layer generic (e.g. disconnect, ignore, debug,
	7	* etc)
	8	* 20-29 Algorithm negotiation
	9	* 30-49 Key exchange method specific (numbers can be reused for
	10	* different authentication methods)
6ae2364d	11	*
7368a6c8	12	* User authentication protocol:
6ae2364d	13	*
7368a6c8	14	* 50-59 User authentication generic
	15	* 60-79 User authentication method specific (numbers can be reused
	16	* for different authentication methods)
6ae2364d	17	*
7368a6c8	18	* Connection protocol:
6ae2364d	19	*
7368a6c8	20	* 80-89 Connection protocol generic
7368a6c8	21	* 90-127 Channel related messages
6ae2364d	22	*
7368a6c8	23	* Reserved for client protocols:
6ae2364d	24	*
7368a6c8	25	* 128-191 Reserved
6ae2364d	26	*
7368a6c8	27	* Local extensions:
6ae2364d	28	*
7368a6c8	29	* 192-255 Local extensions
7368a6c8	30	*/
0e73cc53	31	/* RCSID("$OpenBSD: ssh2.h,v 1.3 2000/05/15 07:03:12 markus Exp $"); */
7368a6c8	32
	33	/* transport layer: generic */
	34
	35	#define SSH2_MSG_DISCONNECT 1
	36	#define SSH2_MSG_IGNORE 2
	37	#define SSH2_MSG_UNIMPLEMENTED 3
	38	#define SSH2_MSG_DEBUG 4
	39	#define SSH2_MSG_SERVICE_REQUEST 5
	40	#define SSH2_MSG_SERVICE_ACCEPT 6
	41
	42	/* transport layer: alg negotiation */
	43
	44	#define SSH2_MSG_KEXINIT 20
	45	#define SSH2_MSG_NEWKEYS 21
	46
	47	/* transport layer: kex specific messages, can be reused */
	48
	49	#define SSH2_MSG_KEXDH_INIT 30
	50	#define SSH2_MSG_KEXDH_REPLY 31
	51
	52	/* user authentication: generic */
	53
	54	#define SSH2_MSG_USERAUTH_REQUEST 50
	55	#define SSH2_MSG_USERAUTH_FAILURE 51
	56	#define SSH2_MSG_USERAUTH_SUCCESS 52
	57	#define SSH2_MSG_USERAUTH_BANNER 53
	58
	59	/* user authentication: method specific, can be reused */
	60
	61	#define SSH2_MSG_USERAUTH_PK_OK 60
	62	#define SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ 60
	63	#define SSH2_MSG_USERAUTH_INFO_REQUEST 60
	64	#define SSH2_MSG_USERAUTH_INFO_RESPONSE 61
	65
	66	/* connection protocol: generic */
	67
	68	#define SSH2_MSG_GLOBAL_REQUEST 80
	69	#define SSH2_MSG_REQUEST_SUCCESS 81
	70	#define SSH2_MSG_REQUEST_FAILURE 82
	71
	72	/* channel related messages */
	73
	74	#define SSH2_MSG_CHANNEL_OPEN 90
	75	#define SSH2_MSG_CHANNEL_OPEN_CONFIRMATION 91
	76	#define SSH2_MSG_CHANNEL_OPEN_FAILURE 92
	77	#define SSH2_MSG_CHANNEL_WINDOW_ADJUST 93
	78	#define SSH2_MSG_CHANNEL_DATA 94
	79	#define SSH2_MSG_CHANNEL_EXTENDED_DATA 95
	80	#define SSH2_MSG_CHANNEL_EOF 96
	81	#define SSH2_MSG_CHANNEL_CLOSE 97
	82	#define SSH2_MSG_CHANNEL_REQUEST 98
	83	#define SSH2_MSG_CHANNEL_SUCCESS 99
	84	#define SSH2_MSG_CHANNEL_FAILURE 100
	85
	86	/* disconnect reason code */
	87
	88	#define SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1
	89	#define SSH2_DISCONNECT_PROTOCOL_ERROR 2
	90	#define SSH2_DISCONNECT_KEY_EXCHANGE_FAILED 3
	91	#define SSH2_DISCONNECT_HOST_AUTHENTICATION_FAILED 4
0e73cc53	92	#define SSH2_DISCONNECT_RESERVED 4
7368a6c8	93	#define SSH2_DISCONNECT_MAC_ERROR 5
	94	#define SSH2_DISCONNECT_COMPRESSION_ERROR 6
	95	#define SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE 7
	96	#define SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8
	97	#define SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9
	98	#define SSH2_DISCONNECT_CONNECTION_LOST 10
	99	#define SSH2_DISCONNECT_BY_APPLICATION 11
0e73cc53	100	#define SSH2_DISCONNECT_TOO_MANY_CONNECTIONS 12
	101	#define SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER 13
	102	#define SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE 14
	103	#define SSH2_DISCONNECT_ILLEGAL_USER_NAME 15
7368a6c8	104
	105	/* misc */
	106
	107	#define SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED 1
	108	#define SSH2_OPEN_CONNECT_FAILED 2
	109	#define SSH2_OPEN_UNKNOWN_CHANNEL_TYPE 3
	110	#define SSH2_OPEN_RESOURCE_SHORTAGE 4
	111
	112	#define SSH2_EXTENDED_DATA_STDERR 1