Annotation of src/usr.bin/ssh/packet.h, Revision 1.26
1.1 deraadt 1: /*
1.5 deraadt 2: * Author: Tatu Ylonen <ylo@cs.hut.fi>
3: * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
4: * All rights reserved
5: * Interface for the packet protocol functions.
1.15 markus 6: *
1.17 deraadt 7: * As far as I am concerned, the code I have written for this software
8: * can be used freely for any purpose. Any derived versions of this
9: * software must be clearly marked as such, and if the derived work is
10: * incompatible with the protocol description in the RFC file, it must be
11: * called by a name other than "ssh" or "Secure Shell".
1.5 deraadt 12: */
1.1 deraadt 13:
1.26 ! markus 14: /* RCSID("$OpenBSD: packet.h,v 1.25 2001/06/26 17:27:24 markus Exp $"); */
1.1 deraadt 15:
16: #ifndef PACKET_H
17: #define PACKET_H
18:
1.13 markus 19: #include <openssl/bn.h>
1.1 deraadt 20:
1.25 markus 21: void packet_set_connection(int, int);
22: void packet_set_nonblocking(void);
23: int packet_get_connection_in(void);
24: int packet_get_connection_out(void);
25: void packet_close(void);
26: void packet_set_encryption_key(const u_char *, u_int, int);
27: void packet_set_protocol_flags(u_int);
28: u_int packet_get_protocol_flags(void);
29: void packet_start_compression(int);
30: void packet_set_interactive(int);
31: int packet_is_interactive(void);
32:
33: void packet_start(u_char);
34: void packet_put_char(int ch);
35: void packet_put_int(u_int value);
36: void packet_put_bignum(BIGNUM * value);
37: void packet_put_bignum2(BIGNUM * value);
38: void packet_put_string(const char *buf, u_int len);
39: void packet_put_cstring(const char *str);
40: void packet_put_raw(const char *buf, u_int len);
41: void packet_send(void);
42:
43: int packet_read(int *payload_len_ptr);
44: void packet_read_expect(int *payload_len_ptr, int type);
45: int packet_read_poll(int *packet_len_ptr);
46: void packet_process_incoming(const char *buf, u_int len);
47:
48: u_int packet_get_char(void);
49: u_int packet_get_int(void);
50: void packet_get_bignum(BIGNUM * value, int *length_ptr);
51: void packet_get_bignum2(BIGNUM * value, int *length_ptr);
1.11 markus 52: char *packet_get_raw(int *length_ptr);
1.25 markus 53: char *packet_get_string(u_int *length_ptr);
54: void packet_disconnect(const char *fmt,...) __attribute__((format(printf, 1, 2)));
55: void packet_send_debug(const char *fmt,...) __attribute__((format(printf, 1, 2)));
56:
57: void packet_write_poll(void);
58: void packet_write_wait(void);
59: int packet_have_data_to_write(void);
60: int packet_not_very_much_data_to_write(void);
61:
62: int packet_connection_is_on_socket(void);
63: int packet_connection_is_ipv4(void);
64: int packet_remaining(void);
65: void packet_send_ignore(int);
1.26 ! markus 66: void packet_add_padding(u_char);
1.1 deraadt 67:
1.25 markus 68: void tty_make_modes(int, struct termios *);
69: void tty_parse_modes(int, int *);
1.1 deraadt 70:
1.4 markus 71: extern int max_packet_size;
1.25 markus 72: int packet_set_maxsize(int);
73: #define packet_get_maxsize() max_packet_size
1.1 deraadt 74:
75: #define packet_integrity_check(payload_len, expected_len, type) \
76: do { \
1.25 markus 77: int _p = (payload_len), _e = (expected_len); \
78: if (_p != _e) { \
79: log("Packet integrity error (%d != %d) at %s:%d", \
80: _p, _e, __FILE__, __LINE__); \
81: packet_disconnect("Packet integrity error. (%d)", (type)); \
82: } \
1.1 deraadt 83: } while (0)
1.8 markus 84:
1.14 markus 85: #define packet_done() \
86: do { \
87: int _len = packet_remaining(); \
88: if (_len > 0) { \
89: log("Packet integrity error (%d bytes remaining) at %s:%d", \
90: _len ,__FILE__, __LINE__); \
91: packet_disconnect("Packet integrity error."); \
92: } \
93: } while (0)
1.1 deraadt 94:
1.5 deraadt 95: #endif /* PACKET_H */