25 #include "libssh/priv.h"
26 #include "libssh/kex.h"
27 #include "libssh/packet.h"
28 #include "libssh/pcap.h"
29 #include "libssh/auth.h"
30 #include "libssh/channels.h"
31 #include "libssh/poll.h"
32 #include "libssh/config.h"
33 #include "libssh/misc.h"
36 enum ssh_session_state_e {
37 SSH_SESSION_STATE_NONE=0,
38 SSH_SESSION_STATE_CONNECTING,
39 SSH_SESSION_STATE_SOCKET_CONNECTED,
40 SSH_SESSION_STATE_BANNER_RECEIVED,
41 SSH_SESSION_STATE_INITIAL_KEX,
42 SSH_SESSION_STATE_KEXINIT_RECEIVED,
44 SSH_SESSION_STATE_AUTHENTICATING,
45 SSH_SESSION_STATE_AUTHENTICATED,
46 SSH_SESSION_STATE_ERROR,
47 SSH_SESSION_STATE_DISCONNECTED
53 DH_STATE_REQUEST_SENT,
55 DH_STATE_NEWKEYS_SENT,
59 enum ssh_pending_call_e {
60 SSH_PENDING_CALL_NONE = 0,
61 SSH_PENDING_CALL_CONNECT,
62 SSH_PENDING_CALL_AUTH_NONE,
63 SSH_PENDING_CALL_AUTH_PASSWORD,
64 SSH_PENDING_CALL_AUTH_OFFER_PUBKEY,
65 SSH_PENDING_CALL_AUTH_PUBKEY,
66 SSH_PENDING_CALL_AUTH_AGENT,
67 SSH_PENDING_CALL_AUTH_KBDINT_INIT,
68 SSH_PENDING_CALL_AUTH_KBDINT_SEND,
69 SSH_PENDING_CALL_AUTH_GSSAPI_MIC
73 #define SSH_SESSION_FLAG_BLOCKING 1
76 #define SSH_SESSION_FLAG_AUTHENTICATED 2
80 #define SSH_TIMEOUT_INFINITE -1
82 #define SSH_TIMEOUT_USER -2
84 #define SSH_TIMEOUT_DEFAULT -3
86 #define SSH_TIMEOUT_NONBLOCKING 0
90 #define SSH_OPT_FLAG_PASSWORD_AUTH 0x1
91 #define SSH_OPT_FLAG_PUBKEY_AUTH 0x2
92 #define SSH_OPT_FLAG_KBDINT_AUTH 0x4
93 #define SSH_OPT_FLAG_GSSAPI_AUTH 0x8
97 #define SSH_EXT_NEGOTIATION 0x01
99 #define SSH_EXT_SIG_RSA_SHA256 0x02
100 #define SSH_EXT_SIG_RSA_SHA512 0x04
146 enum ssh_pending_call_e pending_call_state;
147 enum ssh_session_state_e session_state;
148 enum ssh_packet_state_e packet_state;
149 enum ssh_dh_state_e dh_handshake_state;
150 enum ssh_channel_request_state_e global_req_state;
155 enum ssh_auth_service_state_e service_state;
156 enum ssh_auth_state_e state;
157 uint32_t supported_methods;
158 uint32_t current_method;
168 int first_kex_follows_guess_wrong;
190 enum ssh_keytypes_e hostkey;
191 enum ssh_digest_e hostkey_digest;
197 void *ssh_message_callback_data;
206 ssh_pcap_context pcap_ctx;
215 char *global_knownhosts;
216 char *wanted_methods[SSH_KEX_METHODS];
217 char *pubkey_accepted_types;
220 unsigned long timeout;
221 unsigned long timeout_usec;
224 int StrictHostKeyChecking;
225 char compressionlevel;
226 char *gss_server_identity;
227 char *gss_client_identity;
228 int gss_delegate_creds;
231 bool config_processed;
232 uint8_t options_seen[SOC_MAX];
246 typedef int (*ssh_termination_function)(
void *user);
247 int ssh_handle_packets(
ssh_session session,
int timeout);
248 int ssh_handle_packets_termination(
ssh_session session,
250 ssh_termination_function fct,
252 void ssh_socket_exception_callback(
int code,
int errno_code,
void *user);