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c6063ed7 | 1 | /* $OpenBSD: packet.h,v 1.51 2009/05/27 06:36:07 andreas Exp $ */ |
93c3b6de | 2 | |
8efc0c15 | 3 | /* |
5260325f | 4 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
5260325f | 5 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
6 | * All rights reserved | |
5260325f | 7 | * Interface for the packet protocol functions. |
6ae2364d | 8 | * |
bcbf86ec | 9 | * As far as I am concerned, the code I have written for this software |
10 | * can be used freely for any purpose. Any derived versions of this | |
11 | * software must be clearly marked as such, and if the derived work is | |
12 | * incompatible with the protocol description in the RFC file, it must be | |
13 | * called by a name other than "ssh" or "Secure Shell". | |
5260325f | 14 | */ |
8efc0c15 | 15 | |
8efc0c15 | 16 | #ifndef PACKET_H |
17 | #define PACKET_H | |
18 | ||
1d3e026f | 19 | #include <termios.h> |
20 | ||
8efc0c15 | 21 | #include <openssl/bn.h> |
22 | ||
255cabd9 | 23 | void packet_set_connection(int, int); |
bc2d97c8 | 24 | void packet_set_timeout(int, int); |
255cabd9 | 25 | void packet_set_nonblocking(void); |
26 | int packet_get_connection_in(void); | |
27 | int packet_get_connection_out(void); | |
28 | void packet_close(void); | |
29 | void packet_set_encryption_key(const u_char *, u_int, int); | |
9459414c | 30 | u_int packet_get_encryption_key(u_char *); |
255cabd9 | 31 | void packet_set_protocol_flags(u_int); |
32 | u_int packet_get_protocol_flags(void); | |
33 | void packet_start_compression(int); | |
34 | void packet_set_interactive(int); | |
35 | int packet_is_interactive(void); | |
07200973 | 36 | void packet_set_server(void); |
37 | void packet_set_authenticated(void); | |
255cabd9 | 38 | |
39 | void packet_start(u_char); | |
40 | void packet_put_char(int ch); | |
41 | void packet_put_int(u_int value); | |
c6063ed7 | 42 | void packet_put_int64(u_int64_t value); |
255cabd9 | 43 | void packet_put_bignum(BIGNUM * value); |
44 | void packet_put_bignum2(BIGNUM * value); | |
6c0fa2b1 | 45 | void packet_put_string(const void *buf, u_int len); |
255cabd9 | 46 | void packet_put_cstring(const char *str); |
6c0fa2b1 | 47 | void packet_put_raw(const void *buf, u_int len); |
255cabd9 | 48 | void packet_send(void); |
49 | ||
54a5250f | 50 | int packet_read(void); |
51 | void packet_read_expect(int type); | |
52 | int packet_read_poll(void); | |
255cabd9 | 53 | void packet_process_incoming(const char *buf, u_int len); |
54a5250f | 54 | int packet_read_seqnr(u_int32_t *seqnr_p); |
55 | int packet_read_poll_seqnr(u_int32_t *seqnr_p); | |
255cabd9 | 56 | |
57 | u_int packet_get_char(void); | |
58 | u_int packet_get_int(void); | |
c6063ed7 | 59 | u_int64_t packet_get_int64(void); |
20b279e6 | 60 | void packet_get_bignum(BIGNUM * value); |
61 | void packet_get_bignum2(BIGNUM * value); | |
2ceb8101 | 62 | void *packet_get_raw(u_int *length_ptr); |
6c0fa2b1 | 63 | void *packet_get_string(u_int *length_ptr); |
17f02f0a | 64 | void *packet_get_string_ptr(u_int *length_ptr); |
255cabd9 | 65 | void packet_disconnect(const char *fmt,...) __attribute__((format(printf, 1, 2))); |
66 | void packet_send_debug(const char *fmt,...) __attribute__((format(printf, 1, 2))); | |
8efc0c15 | 67 | |
e050d348 | 68 | void set_newkeys(int mode); |
69 | int packet_get_keyiv_len(int); | |
70 | void packet_get_keyiv(int, u_char *, u_int); | |
71 | int packet_get_keycontext(int, u_char *); | |
72 | void packet_set_keycontext(int, u_char *); | |
e8e08a80 | 73 | void packet_get_state(int, u_int32_t *, u_int64_t *, u_int32_t *, u_int64_t *); |
74 | void packet_set_state(int, u_int32_t, u_int64_t, u_int32_t, u_int64_t); | |
e050d348 | 75 | int packet_get_ssh1_cipher(void); |
76 | void packet_set_iv(int, u_char *); | |
dc1f1948 | 77 | void *packet_get_newkeys(int); |
e050d348 | 78 | |
255cabd9 | 79 | void packet_write_poll(void); |
80 | void packet_write_wait(void); | |
81 | int packet_have_data_to_write(void); | |
82 | int packet_not_very_much_data_to_write(void); | |
8efc0c15 | 83 | |
255cabd9 | 84 | int packet_connection_is_on_socket(void); |
85 | int packet_connection_is_ipv4(void); | |
86 | int packet_remaining(void); | |
87 | void packet_send_ignore(int); | |
b4b701be | 88 | void packet_add_padding(u_char); |
8efc0c15 | 89 | |
255cabd9 | 90 | void tty_make_modes(int, struct termios *); |
91 | void tty_parse_modes(int, int *); | |
8efc0c15 | 92 | |
dc1f1948 | 93 | void packet_set_alive_timeouts(int); |
94 | int packet_inc_alive_timeouts(void); | |
f6be21a0 | 95 | int packet_set_maxsize(u_int); |
dc1f1948 | 96 | u_int packet_get_maxsize(void); |
8efc0c15 | 97 | |
95500969 | 98 | /* don't allow remaining bytes after the end of the message */ |
99 | #define packet_check_eom() \ | |
6ae2364d | 100 | do { \ |
101 | int _len = packet_remaining(); \ | |
102 | if (_len > 0) { \ | |
bbe88b6d | 103 | logit("Packet integrity error (%d bytes remaining) at %s:%d", \ |
6ae2364d | 104 | _len ,__FILE__, __LINE__); \ |
105 | packet_disconnect("Packet integrity error."); \ | |
106 | } \ | |
107 | } while (0) | |
108 | ||
ffd7b36b | 109 | int packet_need_rekeying(void); |
110 | void packet_set_rekey_limit(u_int32_t); | |
111 | ||
dc1f1948 | 112 | void *packet_get_input(void); |
113 | void *packet_get_output(void); | |
114 | ||
5260325f | 115 | #endif /* PACKET_H */ |