[openssh.git] / ssh2.h

/*
 * draft-ietf-secsh-architecture-04.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
 */

/* 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_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

/* 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	/*
6ae2364d	2	* draft-ietf-secsh-architecture-04.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
	30	*/
	31
	32	/* transport layer: generic */
	33
	34	#define SSH2_MSG_DISCONNECT 1
	35	#define SSH2_MSG_IGNORE 2
	36	#define SSH2_MSG_UNIMPLEMENTED 3
	37	#define SSH2_MSG_DEBUG 4
	38	#define SSH2_MSG_SERVICE_REQUEST 5
	39	#define SSH2_MSG_SERVICE_ACCEPT 6
	40
	41	/* transport layer: alg negotiation */
	42
	43	#define SSH2_MSG_KEXINIT 20
	44	#define SSH2_MSG_NEWKEYS 21
	45
	46	/* transport layer: kex specific messages, can be reused */
	47
	48	#define SSH2_MSG_KEXDH_INIT 30
	49	#define SSH2_MSG_KEXDH_REPLY 31
	50
	51	/* user authentication: generic */
	52
	53	#define SSH2_MSG_USERAUTH_REQUEST 50
	54	#define SSH2_MSG_USERAUTH_FAILURE 51
	55	#define SSH2_MSG_USERAUTH_SUCCESS 52
	56	#define SSH2_MSG_USERAUTH_BANNER 53
	57
	58	/* user authentication: method specific, can be reused */
	59
	60	#define SSH2_MSG_USERAUTH_PK_OK 60
	61	#define SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ 60
	62	#define SSH2_MSG_USERAUTH_INFO_REQUEST 60
	63	#define SSH2_MSG_USERAUTH_INFO_RESPONSE 61
	64
	65	/* connection protocol: generic */
	66
	67	#define SSH2_MSG_GLOBAL_REQUEST 80
	68	#define SSH2_MSG_REQUEST_SUCCESS 81
	69	#define SSH2_MSG_REQUEST_FAILURE 82
	70
	71	/* channel related messages */
	72
	73	#define SSH2_MSG_CHANNEL_OPEN 90
	74	#define SSH2_MSG_CHANNEL_OPEN_CONFIRMATION 91
	75	#define SSH2_MSG_CHANNEL_OPEN_FAILURE 92
	76	#define SSH2_MSG_CHANNEL_WINDOW_ADJUST 93
	77	#define SSH2_MSG_CHANNEL_DATA 94
	78	#define SSH2_MSG_CHANNEL_EXTENDED_DATA 95
	79	#define SSH2_MSG_CHANNEL_EOF 96
	80	#define SSH2_MSG_CHANNEL_CLOSE 97
	81	#define SSH2_MSG_CHANNEL_REQUEST 98
	82	#define SSH2_MSG_CHANNEL_SUCCESS 99
	83	#define SSH2_MSG_CHANNEL_FAILURE 100
	84
	85	/* disconnect reason code */
	86
	87	#define SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1
	88	#define SSH2_DISCONNECT_PROTOCOL_ERROR 2
	89	#define SSH2_DISCONNECT_KEY_EXCHANGE_FAILED 3
	90	#define SSH2_DISCONNECT_HOST_AUTHENTICATION_FAILED 4
	91	#define SSH2_DISCONNECT_MAC_ERROR 5
	92	#define SSH2_DISCONNECT_COMPRESSION_ERROR 6
93	#define SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE 7
94	#define SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8
95	#define SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9
96	#define SSH2_DISCONNECT_CONNECTION_LOST 10
97	#define SSH2_DISCONNECT_BY_APPLICATION 11
98
99	/* misc */
100
101	#define SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED 1
102	#define SSH2_OPEN_CONNECT_FAILED 2
103	#define SSH2_OPEN_UNKNOWN_CHANNEL_TYPE 3
104	#define SSH2_OPEN_RESOURCE_SHORTAGE 4
105
106	#define SSH2_EXTENDED_DATA_STDERR 1