diff options
Diffstat (limited to 'packet.h')
-rw-r--r-- | packet.h | 71 |
1 files changed, 43 insertions, 28 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: packet.h,v 1.66 2015/01/30 01:13:33 djm Exp $ */ +/* $OpenBSD: packet.h,v 1.92 2020/03/06 18:11:10 markus Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> @@ -56,9 +56,15 @@ struct ssh { /* Key exchange */ struct kex *kex; - /* cached remote ip address and port*/ + /* cached local and remote ip addresses and ports */ char *remote_ipaddr; int remote_port; + char *local_ipaddr; + int local_port; + char *rdomain_in; + + /* Optional preamble for log messages (e.g. username) */ + char *log_preamble; /* Dispatcher table */ dispatch_fn *dispatch[DISPATCH_MAX]; @@ -72,10 +78,19 @@ struct ssh { TAILQ_HEAD(, key_entry) private_keys; TAILQ_HEAD(, key_entry) public_keys; + /* Client/Server authentication context */ + void *authctxt; + + /* Channels context */ + struct ssh_channels *chanctxt; + /* APP data */ void *app_data; }; +typedef int (ssh_packet_hook_fn)(struct ssh *, struct sshbuf *, + u_char *, void *); + struct ssh *ssh_alloc_session_state(void); struct ssh *ssh_packet_set_connection(struct ssh *, int, int); void ssh_packet_set_timeout(struct ssh *, int, int); @@ -85,24 +100,31 @@ void ssh_packet_set_nonblocking(struct ssh *); int ssh_packet_get_connection_in(struct ssh *); int ssh_packet_get_connection_out(struct ssh *); void ssh_packet_close(struct ssh *); -void ssh_packet_set_encryption_key(struct ssh *, const u_char *, u_int, int); +void ssh_packet_set_input_hook(struct ssh *, ssh_packet_hook_fn *, void *); +void ssh_packet_clear_keys(struct ssh *); +void ssh_clear_newkeys(struct ssh *, int); + +int ssh_packet_is_rekeying(struct ssh *); void ssh_packet_set_protocol_flags(struct ssh *, u_int); u_int ssh_packet_get_protocol_flags(struct ssh *); -int ssh_packet_start_compression(struct ssh *, int); void ssh_packet_set_tos(struct ssh *, int); void ssh_packet_set_interactive(struct ssh *, int, int, int); int ssh_packet_is_interactive(struct ssh *); void ssh_packet_set_server(struct ssh *); void ssh_packet_set_authenticated(struct ssh *); +void ssh_packet_set_mux(struct ssh *); +int ssh_packet_get_mux(struct ssh *); +int ssh_packet_set_log_preamble(struct ssh *, const char *, ...) + __attribute__((format(printf, 2, 3))); + +int ssh_packet_log_type(u_char); -int ssh_packet_send1(struct ssh *); int ssh_packet_send2_wrapped(struct ssh *); int ssh_packet_send2(struct ssh *); int ssh_packet_read(struct ssh *); int ssh_packet_read_expect(struct ssh *, u_int type); int ssh_packet_read_poll(struct ssh *); -int ssh_packet_read_poll1(struct ssh *, u_char *); int ssh_packet_read_poll2(struct ssh *, u_char *, u_int32_t *seqnr_p); int ssh_packet_process_incoming(struct ssh *, const char *buf, u_int len); int ssh_packet_read_seqnr(struct ssh *, u_char *, u_int32_t *seqnr_p); @@ -117,11 +139,6 @@ void ssh_packet_send_debug(struct ssh *, const char *fmt, ...) __attribute__ int ssh_set_newkeys(struct ssh *, int mode); void ssh_packet_get_bytes(struct ssh *, u_int64_t *, u_int64_t *); -typedef void *(ssh_packet_comp_alloc_func)(void *, u_int, u_int); -typedef void (ssh_packet_comp_free_func)(void *, void *); -void ssh_packet_set_compress_hooks(struct ssh *, void *, - ssh_packet_comp_alloc_func *, ssh_packet_comp_free_func *); - int ssh_packet_write_poll(struct ssh *); int ssh_packet_write_wait(struct ssh *); int ssh_packet_have_data_to_write(struct ssh *); @@ -129,10 +146,9 @@ int ssh_packet_not_very_much_data_to_write(struct ssh *); int ssh_packet_connection_is_on_socket(struct ssh *); int ssh_packet_remaining(struct ssh *); -void ssh_packet_send_ignore(struct ssh *, int); -void tty_make_modes(int, struct termios *); -void tty_parse_modes(int, int *); +void ssh_tty_make_modes(struct ssh *, int, struct termios *); +void ssh_tty_parse_modes(struct ssh *, int); void ssh_packet_set_alive_timeouts(struct ssh *, int); int ssh_packet_inc_alive_timeouts(struct ssh *); @@ -143,15 +159,14 @@ int ssh_packet_get_state(struct ssh *, struct sshbuf *); int ssh_packet_set_state(struct ssh *, struct sshbuf *); const char *ssh_remote_ipaddr(struct ssh *); +int ssh_remote_port(struct ssh *); +const char *ssh_local_ipaddr(struct ssh *); +int ssh_local_port(struct ssh *); +const char *ssh_packet_rdomain_in(struct ssh *); -int ssh_packet_need_rekeying(struct ssh *); -void ssh_packet_set_rekey_limits(struct ssh *, u_int32_t, time_t); +void ssh_packet_set_rekey_limits(struct ssh *, u_int64_t, u_int32_t); time_t ssh_packet_get_rekey_timeout(struct ssh *); -/* XXX FIXME */ -void ssh_packet_backup_state(struct ssh *, struct ssh *); -void ssh_packet_restore_state(struct ssh *, struct ssh *); - void *ssh_packet_get_input(struct ssh *); void *ssh_packet_get_output(struct ssh *); @@ -161,7 +176,10 @@ int sshpkt_send(struct ssh *ssh); int sshpkt_disconnect(struct ssh *, const char *fmt, ...) __attribute__((format(printf, 2, 3))); int sshpkt_add_padding(struct ssh *, u_char); -void sshpkt_fatal(struct ssh *ssh, const char *tag, int r); +void sshpkt_fatal(struct ssh *ssh, int r, const char *fmt, ...) + __attribute__((format(printf, 3, 4))) + __attribute__((noreturn)); +int sshpkt_msg_ignore(struct ssh *, u_int); int sshpkt_put(struct ssh *ssh, const void *v, size_t len); int sshpkt_putb(struct ssh *ssh, const struct sshbuf *b); @@ -172,7 +190,6 @@ int sshpkt_put_string(struct ssh *ssh, const void *v, size_t len); int sshpkt_put_cstring(struct ssh *ssh, const void *v); int sshpkt_put_stringb(struct ssh *ssh, const struct sshbuf *v); int sshpkt_put_ec(struct ssh *ssh, const EC_POINT *v, const EC_GROUP *g); -int sshpkt_put_bignum1(struct ssh *ssh, const BIGNUM *v); int sshpkt_put_bignum2(struct ssh *ssh, const BIGNUM *v); int sshpkt_get(struct ssh *ssh, void *valp, size_t len); @@ -181,17 +198,15 @@ int sshpkt_get_u32(struct ssh *ssh, u_int32_t *valp); int sshpkt_get_u64(struct ssh *ssh, u_int64_t *valp); int sshpkt_get_string(struct ssh *ssh, u_char **valp, size_t *lenp); int sshpkt_get_string_direct(struct ssh *ssh, const u_char **valp, size_t *lenp); +int sshpkt_peek_string_direct(struct ssh *ssh, const u_char **valp, size_t *lenp); int sshpkt_get_cstring(struct ssh *ssh, char **valp, size_t *lenp); +int sshpkt_getb_froms(struct ssh *ssh, struct sshbuf **valp); int sshpkt_get_ec(struct ssh *ssh, EC_POINT *v, const EC_GROUP *g); -int sshpkt_get_bignum1(struct ssh *ssh, BIGNUM *v); -int sshpkt_get_bignum2(struct ssh *ssh, BIGNUM *v); +int sshpkt_get_bignum2(struct ssh *ssh, BIGNUM **valp); int sshpkt_get_end(struct ssh *ssh); +void sshpkt_fmt_connection_id(struct ssh *ssh, char *s, size_t l); const u_char *sshpkt_ptr(struct ssh *, size_t *lenp); -/* OLD API */ -extern struct ssh *active_state; -#include "opacket.h" - #if !defined(WITH_OPENSSL) # undef BIGNUM # undef EC_KEY |