23 #include "libssh/priv.h"
24 #include "libssh/kex.h"
25 #include "libssh/packet.h"
26 #include "libssh/pcap.h"
27 #include "libssh/auth.h"
28 #include "libssh/channels.h"
29 #include "libssh/poll.h"
32 enum ssh_session_state_e {
33 SSH_SESSION_STATE_NONE=0,
34 SSH_SESSION_STATE_CONNECTING,
35 SSH_SESSION_STATE_SOCKET_CONNECTED,
36 SSH_SESSION_STATE_BANNER_RECEIVED,
37 SSH_SESSION_STATE_INITIAL_KEX,
38 SSH_SESSION_STATE_KEXINIT_RECEIVED,
40 SSH_SESSION_STATE_AUTHENTICATING,
41 SSH_SESSION_STATE_AUTHENTICATED,
42 SSH_SESSION_STATE_ERROR,
43 SSH_SESSION_STATE_DISCONNECTED
49 DH_STATE_NEWKEYS_SENT,
53 enum ssh_pending_call_e {
54 SSH_PENDING_CALL_NONE = 0,
55 SSH_PENDING_CALL_CONNECT,
56 SSH_PENDING_CALL_AUTH_NONE,
57 SSH_PENDING_CALL_AUTH_PASSWORD,
58 SSH_PENDING_CALL_AUTH_OFFER_PUBKEY,
59 SSH_PENDING_CALL_AUTH_PUBKEY,
60 SSH_PENDING_CALL_AUTH_AGENT,
61 SSH_PENDING_CALL_AUTH_KBDINT_INIT,
62 SSH_PENDING_CALL_AUTH_KBDINT_SEND,
63 SSH_PENDING_CALL_AUTH_GSSAPI_MIC
67 #define SSH_SESSION_FLAG_BLOCKING 1
70 #define SSH_SESSION_FLAG_AUTHENTICATED 2
74 #define SSH_TIMEOUT_INFINITE -1
76 #define SSH_TIMEOUT_USER -2
78 #define SSH_TIMEOUT_DEFAULT -3
80 #define SSH_TIMEOUT_NONBLOCKING 0
83 struct ssh_common_struct {
84 struct error_struct error;
85 ssh_callbacks callbacks;
89 struct ssh_session_struct {
90 struct ssh_common_struct common;
91 struct ssh_socket_struct *socket;
114 ssh_buffer in_buffer;
116 ssh_buffer out_buffer;
120 enum ssh_pending_call_e pending_call_state;
121 enum ssh_session_state_e session_state;
123 enum ssh_dh_state_e dh_handshake_state;
124 enum ssh_auth_service_state_e auth_service_state;
125 enum ssh_auth_state_e auth_state;
126 enum ssh_channel_request_state_e global_req_state;
127 struct ssh_agent_state_struct *agent_state;
128 struct ssh_auth_auto_state_struct *auth_auto_state;
137 int first_kex_follows_guess_wrong;
139 ssh_buffer in_hashbuf;
140 ssh_buffer out_hashbuf;
141 struct ssh_crypto_struct *current_crypto;
142 struct ssh_crypto_struct *next_crypto;
144 struct ssh_list *channels;
146 int exec_channel_opened;
151 struct ssh_kbdint_struct *kbdint;
152 struct ssh_gssapi_struct *gssapi;
161 enum ssh_keytypes_e hostkey;
165 struct ssh_list *ssh_message_list;
166 int (*ssh_message_callback)(
struct ssh_session_struct *session, ssh_message msg,
void *userdata);
167 void *ssh_message_callback_data;
168 ssh_server_callbacks server_callbacks;
169 void (*ssh_connection_callback)(
struct ssh_session_struct *session);
170 struct ssh_packet_callbacks_struct default_packet_callbacks;
171 struct ssh_list *packet_callbacks;
173 ssh_poll_ctx default_poll_ctx;
176 ssh_pcap_context pcap_ctx;
179 struct ssh_list *identity;
185 char *wanted_methods[10];
188 unsigned long timeout;
189 unsigned long timeout_usec;
192 int StrictHostKeyChecking;
195 char compressionlevel;
196 char *gss_server_identity;
197 char *gss_client_identity;
198 int gss_delegate_creds;
201 ssh_counter socket_counter;
202 ssh_counter raw_counter;
210 typedef int (*ssh_termination_function)(
void *user);
211 int ssh_handle_packets(ssh_session session,
int timeout);
212 int ssh_handle_packets_termination(ssh_session session,
int timeout,
213 ssh_termination_function fct,
void *user);
214 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