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Annotation of src/usr.bin/ssh/packet.h, Revision 1.53

1.53    ! djm         1: /* $OpenBSD: packet.h,v 1.52 2009/06/27 09:29:06 andreas Exp $ */
1.33      stevesk     2:
1.1       deraadt     3: /*
1.5       deraadt     4:  * Author: Tatu Ylonen <ylo@cs.hut.fi>
                      5:  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
                      6:  *                    All rights reserved
                      7:  * Interface for the packet protocol functions.
1.15      markus      8:  *
1.17      deraadt     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".
1.5       deraadt    14:  */
1.1       deraadt    15:
                     16: #ifndef PACKET_H
                     17: #define PACKET_H
1.44      stevesk    18:
                     19: #include <termios.h>
1.1       deraadt    20:
1.13      markus     21: #include <openssl/bn.h>
1.1       deraadt    22:
1.25      markus     23: void     packet_set_connection(int, int);
1.48      dtucker    24: void     packet_set_timeout(int, int);
1.25      markus     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);
1.35      markus     30: u_int   packet_get_encryption_key(u_char *);
1.25      markus     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);
1.43      markus     36: void     packet_set_server(void);
                     37: void     packet_set_authenticated(void);
1.25      markus     38:
                     39: void     packet_start(u_char);
                     40: void     packet_put_char(int ch);
                     41: void     packet_put_int(u_int value);
1.51      andreas    42: void     packet_put_int64(u_int64_t value);
1.25      markus     43: void     packet_put_bignum(BIGNUM * value);
                     44: void     packet_put_bignum2(BIGNUM * value);
1.27      stevesk    45: void     packet_put_string(const void *buf, u_int len);
1.25      markus     46: void     packet_put_cstring(const char *str);
1.27      stevesk    47: void     packet_put_raw(const void *buf, u_int len);
1.25      markus     48: void     packet_send(void);
                     49:
1.32      markus     50: int      packet_read(void);
                     51: void     packet_read_expect(int type);
                     52: int      packet_read_poll(void);
1.25      markus     53: void     packet_process_incoming(const char *buf, u_int len);
1.32      markus     54: int      packet_read_seqnr(u_int32_t *seqnr_p);
                     55: int      packet_read_poll_seqnr(u_int32_t *seqnr_p);
1.25      markus     56:
                     57: u_int   packet_get_char(void);
                     58: u_int   packet_get_int(void);
1.51      andreas    59: u_int64_t packet_get_int64(void);
1.31      markus     60: void     packet_get_bignum(BIGNUM * value);
                     61: void     packet_get_bignum2(BIGNUM * value);
1.42      djm        62: void   *packet_get_raw(u_int *length_ptr);
1.27      stevesk    63: void   *packet_get_string(u_int *length_ptr);
1.53    ! djm        64: char   *packet_get_cstring(u_int *length_ptr);
1.47      markus     65: void   *packet_get_string_ptr(u_int *length_ptr);
1.25      markus     66: void     packet_disconnect(const char *fmt,...) __attribute__((format(printf, 1, 2)));
                     67: void     packet_send_debug(const char *fmt,...) __attribute__((format(printf, 1, 2)));
1.34      markus     68:
                     69: void    set_newkeys(int mode);
                     70: int     packet_get_keyiv_len(int);
                     71: void    packet_get_keyiv(int, u_char *, u_int);
                     72: int     packet_get_keycontext(int, u_char *);
                     73: void    packet_set_keycontext(int, u_char *);
1.49      markus     74: void    packet_get_state(int, u_int32_t *, u_int64_t *, u_int32_t *, u_int64_t *);
                     75: void    packet_set_state(int, u_int32_t, u_int64_t, u_int32_t, u_int64_t);
1.34      markus     76: int     packet_get_ssh1_cipher(void);
                     77: void    packet_set_iv(int, u_char *);
1.50      andreas    78: void   *packet_get_newkeys(int);
1.25      markus     79:
                     80: void     packet_write_poll(void);
                     81: void     packet_write_wait(void);
                     82: int      packet_have_data_to_write(void);
                     83: int      packet_not_very_much_data_to_write(void);
                     84:
                     85: int     packet_connection_is_on_socket(void);
                     86: int     packet_connection_is_ipv4(void);
                     87: int     packet_remaining(void);
                     88: void    packet_send_ignore(int);
1.26      markus     89: void    packet_add_padding(u_char);
1.1       deraadt    90:
1.25      markus     91: void    tty_make_modes(int, struct termios *);
                     92: void    tty_parse_modes(int, int *);
1.1       deraadt    93:
1.50      andreas    94: void    packet_set_alive_timeouts(int);
                     95: int     packet_inc_alive_timeouts(void);
1.41      deraadt    96: int     packet_set_maxsize(u_int);
1.50      andreas    97: u_int   packet_get_maxsize(void);
1.8       markus     98:
1.30      markus     99: /* don't allow remaining bytes after the end of the message */
                    100: #define packet_check_eom() \
1.14      markus    101: do { \
                    102:        int _len = packet_remaining(); \
                    103:        if (_len > 0) { \
1.39      itojun    104:                logit("Packet integrity error (%d bytes remaining) at %s:%d", \
1.14      markus    105:                    _len ,__FILE__, __LINE__); \
                    106:                packet_disconnect("Packet integrity error."); \
                    107:        } \
                    108: } while (0)
1.38      markus    109:
                    110: int     packet_need_rekeying(void);
                    111: void    packet_set_rekey_limit(u_int32_t);
1.52      andreas   112:
                    113: void    packet_backup_state(void);
                    114: void    packet_restore_state(void);
1.50      andreas   115:
                    116: void   *packet_get_input(void);
                    117: void   *packet_get_output(void);
1.1       deraadt   118:
1.5       deraadt   119: #endif                         /* PACKET_H */