SshSession Struct Reference

#include <ssh_transport.h>

Public Attributes
SshPhase	phase
	Current handshake phase.
SshKexAlg	kex_alg
	negotiated in KEXINIT.
SshHostkeyAlg	hostkey_alg
	negotiated in KEXINIT.
uint8_t	cipher_alg
	SSH_CIPHER_* negotiated in KEXINIT (0 = aes256-ctr).
uint8_t	mac_alg
	SSH_MAC_* negotiated in KEXINIT (aes cipher only; 0 = hmac-sha2-256).
uint8_t	ecdh_sk [32]
	Server X25519 ephemeral private (curve25519 KEX only; wiped after).
uint8_t	ecdh_pk [32]
	Server X25519 ephemeral public (curve25519 KEX only).
char	v_c [SSH_VERSION_MAX]
	Client identification string (no CR LF).
uint16_t	v_c_len
	Length of v_c.
uint8_t	banner_buf [SSH_VERSION_MAX]
	Accumulator for the inbound banner.
uint16_t	banner_len
	Bytes buffered in banner_buf.
uint8_t	i_c [SSH_KEXINIT_MAX]
	Client KEXINIT payload (for H).
uint16_t	i_c_len
	Length of i_c.
uint8_t	i_s [SSH_KEXINIT_S_MAX]
	Server KEXINIT payload (for H).
uint16_t	i_s_len
	Length of i_s.
uint8_t	session_id [SSH_SHA256_DIGEST_LEN]
	H from the first KEX (RFC 4253 §7.2).
bool	have_session_id
	True once the first KEX completes.
bool	ext_info_c
	Client advertised ext-info-c (RFC 8308): send EXT_INFO.
bool	authed
	True after successful user authentication.
uint8_t	auth_failures
	Failed USERAUTH_REQUESTs (brute-force limit, RFC 4252 §4).
uint32_t	last_kex_ms
	detws_millis() when the last KEX completed (server-initiated re-key timer).

Detailed Description

Definition at line 106 of file ssh_transport.h.

Member Data Documentation

phase

SshPhase SshSession::phase

Current handshake phase.

Definition at line 108 of file ssh_transport.h.

Referenced by ssh_auth_handle_request(), ssh_conn_poll(), ssh_conn_rx(), ssh_kexdh_handle(), ssh_kexinit_parse(), ssh_newkeys_complete(), ssh_server_dispatch(), ssh_transport_begin_rekey(), ssh_transport_init(), and ssh_transport_recv_banner().

kex_alg

SshKexAlg SshSession::kex_alg

negotiated in KEXINIT.

Definition at line 110 of file ssh_transport.h.

Referenced by ssh_kex_generate(), ssh_kexdh_handle(), and ssh_kexinit_parse().

hostkey_alg

SshHostkeyAlg SshSession::hostkey_alg

negotiated in KEXINIT.

Definition at line 111 of file ssh_transport.h.

Referenced by ssh_kexinit_parse().

cipher_alg

uint8_t SshSession::cipher_alg

SSH_CIPHER_* negotiated in KEXINIT (0 = aes256-ctr).

Definition at line 112 of file ssh_transport.h.

Referenced by ssh_kexdh_handle(), and ssh_kexinit_parse().

mac_alg

uint8_t SshSession::mac_alg

SSH_MAC_* negotiated in KEXINIT (aes cipher only; 0 = hmac-sha2-256).

Definition at line 113 of file ssh_transport.h.

Referenced by ssh_kexdh_handle(), and ssh_kexinit_parse().

ecdh_sk

uint8_t SshSession::ecdh_sk[32]

Server X25519 ephemeral private (curve25519 KEX only; wiped after).

Definition at line 114 of file ssh_transport.h.

Referenced by ssh_kexdh_handle().

ecdh_pk

uint8_t SshSession::ecdh_pk[32]

Server X25519 ephemeral public (curve25519 KEX only).

Definition at line 115 of file ssh_transport.h.

Referenced by ssh_kexdh_handle().

v_c

char SshSession::v_c[SSH_VERSION_MAX]

Client identification string (no CR LF).

Definition at line 117 of file ssh_transport.h.

Referenced by ssh_transport_recv_banner().

v_c_len

uint16_t SshSession::v_c_len

Length of v_c.

Definition at line 118 of file ssh_transport.h.

Referenced by ssh_transport_recv_banner().

banner_buf

uint8_t SshSession::banner_buf[SSH_VERSION_MAX]

Accumulator for the inbound banner.

Definition at line 120 of file ssh_transport.h.

Referenced by ssh_transport_recv_banner().

banner_len

uint16_t SshSession::banner_len

Bytes buffered in banner_buf.

Definition at line 121 of file ssh_transport.h.

Referenced by ssh_transport_recv_banner().

i_c

uint8_t SshSession::i_c[SSH_KEXINIT_MAX]

Client KEXINIT payload (for H).

Definition at line 123 of file ssh_transport.h.

Referenced by ssh_kexinit_parse().

i_c_len

uint16_t SshSession::i_c_len

Length of i_c.

Definition at line 124 of file ssh_transport.h.

Referenced by ssh_kexinit_parse().

i_s

uint8_t SshSession::i_s[SSH_KEXINIT_S_MAX]

Server KEXINIT payload (for H).

Definition at line 125 of file ssh_transport.h.

Referenced by ssh_kexinit_build().

i_s_len

uint16_t SshSession::i_s_len

Length of i_s.

Definition at line 126 of file ssh_transport.h.

Referenced by ssh_kexinit_build().

session_id

uint8_t SshSession::session_id[SSH_SHA256_DIGEST_LEN]

H from the first KEX (RFC 4253 §7.2).

Definition at line 128 of file ssh_transport.h.

Referenced by ssh_kexdh_handle().

have_session_id

bool SshSession::have_session_id

True once the first KEX completes.

Definition at line 129 of file ssh_transport.h.

Referenced by ssh_kexdh_handle().

ext_info_c

bool SshSession::ext_info_c

Client advertised ext-info-c (RFC 8308): send EXT_INFO.

Definition at line 131 of file ssh_transport.h.

Referenced by ssh_kexinit_parse(), and ssh_server_dispatch().

authed

bool SshSession::authed

True after successful user authentication.

Definition at line 132 of file ssh_transport.h.

Referenced by ssh_auth_handle_request(), ssh_newkeys_complete(), and ssh_server_dispatch().

auth_failures

uint8_t SshSession::auth_failures

Failed USERAUTH_REQUESTs (brute-force limit, RFC 4252 §4).

Definition at line 133 of file ssh_transport.h.

Referenced by ssh_server_dispatch().

last_kex_ms

uint32_t SshSession::last_kex_ms

detws_millis() when the last KEX completed (server-initiated re-key timer).

Definition at line 134 of file ssh_transport.h.

Referenced by ssh_conn_poll(), and ssh_newkeys_complete().

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The documentation for this struct was generated from the following file:

• src/network_drivers/presentation/ssh/transport/ssh_transport.h