24 #include "libssh/priv.h" 25 #include "libssh/kex.h" 26 #include "libssh/packet.h" 27 #include "libssh/pcap.h" 28 #include "libssh/auth.h" 29 #include "libssh/channels.h" 30 #include "libssh/poll.h" 33 enum ssh_session_state_e {
34 SSH_SESSION_STATE_NONE=0,
35 SSH_SESSION_STATE_CONNECTING,
36 SSH_SESSION_STATE_SOCKET_CONNECTED,
37 SSH_SESSION_STATE_BANNER_RECEIVED,
38 SSH_SESSION_STATE_INITIAL_KEX,
39 SSH_SESSION_STATE_KEXINIT_RECEIVED,
41 SSH_SESSION_STATE_AUTHENTICATING,
42 SSH_SESSION_STATE_AUTHENTICATED,
43 SSH_SESSION_STATE_ERROR,
44 SSH_SESSION_STATE_DISCONNECTED
50 DH_STATE_NEWKEYS_SENT,
54 enum ssh_pending_call_e {
55 SSH_PENDING_CALL_NONE = 0,
56 SSH_PENDING_CALL_CONNECT,
57 SSH_PENDING_CALL_AUTH_NONE,
58 SSH_PENDING_CALL_AUTH_PASSWORD,
59 SSH_PENDING_CALL_AUTH_OFFER_PUBKEY,
60 SSH_PENDING_CALL_AUTH_PUBKEY,
61 SSH_PENDING_CALL_AUTH_AGENT,
62 SSH_PENDING_CALL_AUTH_KBDINT_INIT,
63 SSH_PENDING_CALL_AUTH_KBDINT_SEND,
64 SSH_PENDING_CALL_AUTH_GSSAPI_MIC
68 #define SSH_SESSION_FLAG_BLOCKING 1 71 #define SSH_SESSION_FLAG_AUTHENTICATED 2 76 #define SSH_SESSION_FLAG_KEXINIT_SENT 4 80 #define SSH_TIMEOUT_INFINITE -1 82 #define SSH_TIMEOUT_USER -2 84 #define SSH_TIMEOUT_DEFAULT -3 86 #define SSH_TIMEOUT_NONBLOCKING 0 89 struct ssh_common_struct {
90 struct error_struct error;
91 ssh_callbacks callbacks;
95 struct ssh_session_struct {
96 struct ssh_common_struct common;
97 struct ssh_socket_struct *socket;
120 ssh_buffer in_buffer;
122 ssh_buffer out_buffer;
126 enum ssh_pending_call_e pending_call_state;
127 enum ssh_session_state_e session_state;
129 enum ssh_dh_state_e dh_handshake_state;
130 enum ssh_auth_service_state_e auth_service_state;
131 enum ssh_auth_state_e auth_state;
132 enum ssh_channel_request_state_e global_req_state;
133 struct ssh_agent_state_struct *agent_state;
134 struct ssh_auth_auto_state_struct *auth_auto_state;
140 bool send_first_kex_follows;
150 bool first_kex_follows_guess_wrong;
152 ssh_buffer in_hashbuf;
153 ssh_buffer out_hashbuf;
154 struct ssh_crypto_struct *current_crypto;
155 struct ssh_crypto_struct *next_crypto;
157 struct ssh_list *channels;
159 int exec_channel_opened;
164 struct ssh_kbdint_struct *kbdint;
165 struct ssh_gssapi_struct *gssapi;
174 enum ssh_keytypes_e hostkey;
178 struct ssh_list *ssh_message_list;
179 int (*ssh_message_callback)(
struct ssh_session_struct *session, ssh_message msg,
void *userdata);
180 void *ssh_message_callback_data;
181 ssh_server_callbacks server_callbacks;
182 void (*ssh_connection_callback)(
struct ssh_session_struct *session);
183 struct ssh_packet_callbacks_struct default_packet_callbacks;
184 struct ssh_list *packet_callbacks;
186 ssh_poll_ctx default_poll_ctx;
189 ssh_pcap_context pcap_ctx;
192 struct ssh_list *identity;
198 char *wanted_methods[10];
201 unsigned long timeout;
202 unsigned long timeout_usec;
205 int StrictHostKeyChecking;
208 char compressionlevel;
209 char *gss_server_identity;
210 char *gss_client_identity;
211 int gss_delegate_creds;
214 ssh_counter socket_counter;
215 ssh_counter raw_counter;
223 typedef int (*ssh_termination_function)(
void *user);
224 int ssh_handle_packets(ssh_session session,
int timeout);
225 int ssh_handle_packets_termination(ssh_session session,
int timeout,
226 ssh_termination_function fct,
void *user);
227 void ssh_socket_exception_callback(
int code,
int errno_code,
void *user);
These are the callbacks exported by the socket structure They are called by the socket module when a ...
Definition: callbacks.h:363