22 # include <openssl/bn.h>
23 # ifdef OPENSSL_HAS_ECC
24 # include <openssl/ec.h>
27 # define EC_GROUP void
28 # define EC_POINT void
33 # define EC_GROUP void
34 # define EC_POINT void
38 #include "openbsd-compat/sys-queue.h"
48 TAILQ_ENTRY(key_entry) next;
54 struct session_state *state;
70 dispatch_fn *dispatch[DISPATCH_MAX];
72 int dispatch_skip_packets;
78 TAILQ_HEAD(, key_entry) private_keys;
79 TAILQ_HEAD(, key_entry) public_keys;
85 struct ssh_channels *chanctxt;
99 typedef
int (ssh_packet_hook_fn)(struct ssh *, struct sshbuf *,
102 struct ssh *ssh_alloc_session_state(
void);
103 struct ssh *ssh_packet_set_connection(struct ssh *,
int,
int);
104 void ssh_packet_set_timeout(struct ssh *,
int,
int);
105 int ssh_packet_stop_discard(struct ssh *);
106 int ssh_packet_connection_af(struct ssh *);
107 void ssh_packet_set_nonblocking(struct ssh *);
108 int ssh_packet_get_connection_in(struct ssh *);
109 int ssh_packet_get_connection_out(struct ssh *);
110 void ssh_packet_close(struct ssh *);
111 void ssh_packet_set_input_hook(struct ssh *, ssh_packet_hook_fn *,
void *);
112 void ssh_packet_clear_keys(struct ssh *);
113 void ssh_clear_newkeys(struct ssh *,
int);
115 int ssh_packet_is_rekeying(struct ssh *);
116 int ssh_packet_check_rekey(struct ssh *);
117 void ssh_packet_set_protocol_flags(struct ssh *, u_int);
118 u_int ssh_packet_get_protocol_flags(struct ssh *);
119 void ssh_packet_set_tos(struct ssh *,
int);
120 void ssh_packet_set_interactive(struct ssh *,
int,
int,
int);
121 int ssh_packet_is_interactive(struct ssh *);
122 void ssh_packet_set_server(struct ssh *);
123 void ssh_packet_set_authenticated(struct ssh *);
124 void ssh_packet_set_mux(struct ssh *);
125 int ssh_packet_get_mux(struct ssh *);
126 int ssh_packet_set_log_preamble(struct ssh *, const
char *, ...)
127 __attribute__((format(printf, 2, 3)));
129 int ssh_packet_log_type(u_char);
131 int ssh_packet_send2_wrapped(struct ssh *);
132 int ssh_packet_send2(struct ssh *);
134 int ssh_packet_read(struct ssh *);
135 int ssh_packet_read_expect(struct ssh *, u_int type);
136 int ssh_packet_read_poll(struct ssh *);
137 int ssh_packet_read_poll2(struct ssh *, u_char *, u_int32_t *seqnr_p);
138 int ssh_packet_process_incoming(struct ssh *, const
char *buf, u_int len);
139 int ssh_packet_process_read(struct ssh *,
int);
140 int ssh_packet_read_seqnr(struct ssh *, u_char *, u_int32_t *seqnr_p);
141 int ssh_packet_read_poll_seqnr(struct ssh *, u_char *, u_int32_t *seqnr_p);
143 const
void *ssh_packet_get_string_ptr(struct ssh *, u_int *length_ptr);
144 void ssh_packet_disconnect(struct ssh *, const
char *fmt, ...)
145 __attribute__((format(printf, 2, 3)))
146 __attribute__((noreturn));
147 void ssh_packet_send_debug(struct ssh *, const
char *fmt, ...) __attribute__((format(printf, 2, 3)));
149 int ssh_set_newkeys(struct ssh *,
int mode);
150 void ssh_packet_get_bytes(struct ssh *, u_int64_t *, u_int64_t *);
152 int ssh_packet_write_poll(struct ssh *);
153 int ssh_packet_write_wait(struct ssh *);
154 int ssh_packet_have_data_to_write(struct ssh *);
155 int ssh_packet_not_very_much_data_to_write(struct ssh *);
157 int ssh_packet_connection_is_on_socket(struct ssh *);
158 int ssh_packet_remaining(struct ssh *);
160 void ssh_tty_make_modes(struct ssh *,
int, struct termios *);
161 void ssh_tty_parse_modes(struct ssh *,
int);
163 void ssh_packet_set_alive_timeouts(struct ssh *,
int);
164 int ssh_packet_inc_alive_timeouts(struct ssh *);
165 int ssh_packet_set_maxsize(struct ssh *, u_int);
166 u_int ssh_packet_get_maxsize(struct ssh *);
168 int packet_authentication_state(const struct ssh *);
170 int ssh_packet_get_state(struct ssh *, struct sshbuf *);
171 int ssh_packet_set_state(struct ssh *, struct sshbuf *);
173 const
char *ssh_remote_ipaddr(struct ssh *);
174 int ssh_remote_port(struct ssh *);
175 const
char *ssh_local_ipaddr(struct ssh *);
176 int ssh_local_port(struct ssh *);
177 const
char *ssh_packet_rdomain_in(struct ssh *);
179 void ssh_packet_set_rekey_limits(struct ssh *, u_int64_t, u_int32_t);
180 time_t ssh_packet_get_rekey_timeout(struct ssh *);
182 void *ssh_packet_get_input(struct ssh *);
183 void *ssh_packet_get_output(struct ssh *);
184 void *ssh_packet_get_receive_context(struct ssh *);
185 void *ssh_packet_get_send_context(struct ssh *);
188 void packet_request_rekeying(
void);
190 void sshpkt_final_log_entry (struct ssh *);
193 int sshpkt_start(struct ssh *ssh, u_char type);
194 int sshpkt_send(struct ssh *ssh);
195 int sshpkt_disconnect(struct ssh *, const
char *fmt, ...)
196 __attribute__((format(printf, 2, 3)));
197 int sshpkt_add_padding(struct ssh *, u_char);
198 void sshpkt_fatal(struct ssh *ssh,
int r, const
char *fmt, ...)
199 __attribute__((format(printf, 3, 4)))
200 __attribute__((noreturn));
201 int sshpkt_msg_ignore(struct ssh *, u_int);
203 int sshpkt_put(struct ssh *ssh, const
void *v,
size_t len);
204 int sshpkt_putb(struct ssh *ssh, const struct sshbuf *b);
205 int sshpkt_put_u8(struct ssh *ssh, u_char val);
206 int sshpkt_put_u32(struct ssh *ssh, u_int32_t val);
207 int sshpkt_put_u64(struct ssh *ssh, u_int64_t val);
208 int sshpkt_put_string(struct ssh *ssh, const
void *v,
size_t len);
209 int sshpkt_put_cstring(struct ssh *ssh, const
void *v);
210 int sshpkt_put_stringb(struct ssh *ssh, const struct sshbuf *v);
211 int sshpkt_put_ec(struct ssh *ssh, const EC_POINT *v, const EC_GROUP *g);
212 int sshpkt_put_bignum2(struct ssh *ssh, const BIGNUM *v);
214 int sshpkt_get(struct ssh *ssh,
void *valp,
size_t len);
215 int sshpkt_get_u8(struct ssh *ssh, u_char *valp);
216 int sshpkt_get_u32(struct ssh *ssh, u_int32_t *valp);
217 int sshpkt_get_u64(struct ssh *ssh, u_int64_t *valp);
218 int sshpkt_get_string(struct ssh *ssh, u_char **valp,
size_t *lenp);
219 int sshpkt_get_string_direct(struct ssh *ssh, const u_char **valp,
size_t *lenp);
220 int sshpkt_peek_string_direct(struct ssh *ssh, const u_char **valp,
size_t *lenp);
221 int sshpkt_get_cstring(struct ssh *ssh,
char **valp,
size_t *lenp);
222 int sshpkt_getb_froms(struct ssh *ssh, struct sshbuf **valp);
223 int sshpkt_get_ec(struct ssh *ssh, EC_POINT *v, const EC_GROUP *g);
224 int sshpkt_get_bignum2(struct ssh *ssh, BIGNUM **valp);
225 int sshpkt_get_end(struct ssh *ssh);
226 void sshpkt_fmt_connection_id(struct ssh *ssh,
char *s,
size_t l);
227 const u_char *sshpkt_ptr(struct ssh *,
size_t *lenp);
229 #if !defined(WITH_OPENSSL)
234 #elif !defined(OPENSSL_HAS_ECC)
240 void packet_destroy_all(
struct ssh *,
int,
int);