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;
66 dispatch_fn *dispatch[DISPATCH_MAX];
68 int dispatch_skip_packets;
74 TAILQ_HEAD(, key_entry) private_keys;
75 TAILQ_HEAD(, key_entry) public_keys;
81 struct ssh *ssh_alloc_session_state(
void);
82 struct ssh *ssh_packet_set_connection(
struct ssh *,
int,
int);
83 void ssh_packet_set_timeout(
struct ssh *,
int,
int);
84 int ssh_packet_stop_discard(
struct ssh *);
85 int ssh_packet_connection_af(
struct ssh *);
86 void ssh_packet_set_nonblocking(
struct ssh *);
87 int ssh_packet_get_connection_in(
struct ssh *);
88 int ssh_packet_get_connection_out(
struct ssh *);
89 void ssh_packet_close(
struct ssh *);
90 void ssh_packet_set_encryption_key(
struct ssh *,
const u_char *, u_int,
int);
91 int ssh_packet_is_rekeying(
struct ssh *);
92 void ssh_packet_set_protocol_flags(
struct ssh *, u_int);
93 u_int ssh_packet_get_protocol_flags(
struct ssh *);
94 int ssh_packet_start_compression(
struct ssh *,
int);
95 void ssh_packet_set_tos(
struct ssh *,
int);
96 void ssh_packet_set_interactive(
struct ssh *,
int,
int,
int);
97 int ssh_packet_is_interactive(
struct ssh *);
98 void ssh_packet_set_server(
struct ssh *);
99 void ssh_packet_set_authenticated(
struct ssh *);
101 int ssh_packet_send1(
struct ssh *);
102 int ssh_packet_send2_wrapped(
struct ssh *);
103 int ssh_packet_send2(
struct ssh *);
105 int ssh_packet_read(
struct ssh *);
106 int ssh_packet_read_expect(
struct ssh *, u_int type);
107 int ssh_packet_read_poll(
struct ssh *);
108 int ssh_packet_read_poll1(
struct ssh *, u_char *);
109 int ssh_packet_read_poll2(
struct ssh *, u_char *, u_int32_t *seqnr_p);
110 int ssh_packet_process_incoming(
struct ssh *,
const char *buf, u_int len);
111 int ssh_packet_read_seqnr(
struct ssh *, u_char *, u_int32_t *seqnr_p);
112 int ssh_packet_read_poll_seqnr(
struct ssh *, u_char *, u_int32_t *seqnr_p);
114 const void *ssh_packet_get_string_ptr(
struct ssh *, u_int *length_ptr);
115 void ssh_packet_disconnect(
struct ssh *,
const char *fmt, ...)
116 __attribute__((format(printf, 2, 3)))
117 __attribute__((noreturn));
118 void ssh_packet_send_debug(struct ssh *, const
char *fmt, ...) __attribute__((format(printf, 2, 3)));
120 int ssh_set_newkeys(struct ssh *,
int mode);
121 void ssh_packet_get_bytes(struct ssh *, u_int64_t *, u_int64_t *);
123 typedef
void *(ssh_packet_comp_alloc_func)(
void *, u_int, u_int);
124 typedef
void (ssh_packet_comp_free_func)(
void *,
void *);
125 void ssh_packet_set_compress_hooks(struct ssh *,
void *,
126 ssh_packet_comp_alloc_func *, ssh_packet_comp_free_func *);
128 int ssh_packet_write_poll(struct ssh *);
129 int ssh_packet_write_wait(struct ssh *);
130 int ssh_packet_have_data_to_write(struct ssh *);
131 int ssh_packet_not_very_much_data_to_write(struct ssh *);
133 int ssh_packet_connection_is_on_socket(struct ssh *);
134 int ssh_packet_remaining(struct ssh *);
135 void ssh_packet_send_ignore(struct ssh *,
int);
137 void tty_make_modes(
int, struct termios *);
138 void tty_parse_modes(
int,
int *);
140 void ssh_packet_set_alive_timeouts(struct ssh *,
int);
141 int ssh_packet_inc_alive_timeouts(struct ssh *);
142 int ssh_packet_set_maxsize(struct ssh *, u_int);
143 u_int ssh_packet_get_maxsize(struct ssh *);
146 void packet_request_rekeying(
void);
147 int packet_authentication_state(const struct ssh *);
149 int ssh_packet_get_state(struct ssh *, struct sshbuf *);
150 int ssh_packet_set_state(struct ssh *, struct sshbuf *);
152 const
char *ssh_remote_ipaddr(struct ssh *);
153 int ssh_remote_port(struct ssh *);
154 const
char *ssh_local_ipaddr(struct ssh *);
155 int ssh_local_port(struct ssh *);
157 void ssh_packet_set_rekey_limits(struct ssh *, u_int64_t, time_t);
158 time_t ssh_packet_get_rekey_timeout(struct ssh *);
160 void *ssh_packet_get_input(struct ssh *);
161 void *ssh_packet_get_output(struct ssh *);
162 void *ssh_packet_get_send_context(struct ssh *);
165 int sshpkt_start(struct ssh *ssh, u_char type);
166 int sshpkt_send(struct ssh *ssh);
167 int sshpkt_disconnect(struct ssh *, const
char *fmt, ...)
168 __attribute__((format(printf, 2, 3)));
169 int sshpkt_add_padding(struct ssh *, u_char);
170 void sshpkt_fatal(struct ssh *ssh, const
char *tag,
int r);
172 int sshpkt_put(struct ssh *ssh, const
void *v,
size_t len);
173 int sshpkt_putb(struct ssh *ssh, const struct sshbuf *b);
174 int sshpkt_put_u8(struct ssh *ssh, u_char val);
175 int sshpkt_put_u32(struct ssh *ssh, u_int32_t val);
176 int sshpkt_put_u64(struct ssh *ssh, u_int64_t val);
177 int sshpkt_put_string(struct ssh *ssh, const
void *v,
size_t len);
178 int sshpkt_put_cstring(struct ssh *ssh, const
void *v);
179 int sshpkt_put_stringb(struct ssh *ssh, const struct sshbuf *v);
180 int sshpkt_put_ec(struct ssh *ssh, const EC_POINT *v, const EC_GROUP *g);
181 int sshpkt_put_bignum1(struct ssh *ssh, const BIGNUM *v);
182 int sshpkt_put_bignum2(struct ssh *ssh, const BIGNUM *v);
184 int sshpkt_get(struct ssh *ssh,
void *valp,
size_t len);
185 int sshpkt_get_u8(struct ssh *ssh, u_char *valp);
186 int sshpkt_get_u32(struct ssh *ssh, u_int32_t *valp);
187 int sshpkt_get_u64(struct ssh *ssh, u_int64_t *valp);
188 int sshpkt_get_string(struct ssh *ssh, u_char **valp,
size_t *lenp);
189 int sshpkt_get_string_direct(struct ssh *ssh, const u_char **valp,
size_t *lenp);
190 int sshpkt_get_cstring(struct ssh *ssh,
char **valp,
size_t *lenp);
191 int sshpkt_get_ec(struct ssh *ssh, EC_POINT *v, const EC_GROUP *g);
192 int sshpkt_get_bignum1(struct ssh *ssh, BIGNUM *v);
193 int sshpkt_get_bignum2(struct ssh *ssh, BIGNUM *v);
194 int sshpkt_get_end(struct ssh *ssh);
195 const u_char *sshpkt_ptr(struct ssh *,
size_t *lenp);
198 extern struct ssh *active_state;
201 #if !defined(WITH_OPENSSL) 206 #elif !defined(OPENSSL_HAS_ECC)