Annotation of src/usr.bin/ssh/packet.h, Revision 1.17.2.5
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:
1.17.2.5! miod 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:
1.17.2.5! miod 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);
1.17.2.5! miod 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);
! 66: void packet_inject_ignore(int);
1.1 deraadt 67:
1.17.2.5! miod 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;
1.17.2.5! miod 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 { \
1.17.2.5! miod 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 */