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Annotation of src/usr.bin/ssh/packet.h, Revision 1.41.2.1

1.41.2.1! brad        1: /*     $OpenBSD: packet.h,v 1.43 2005/07/25 11:59:40 markus 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
                     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);
1.35      markus     27: u_int   packet_get_encryption_key(u_char *);
1.25      markus     28: void     packet_set_protocol_flags(u_int);
                     29: u_int   packet_get_protocol_flags(void);
                     30: void     packet_start_compression(int);
                     31: void     packet_set_interactive(int);
                     32: int      packet_is_interactive(void);
1.41.2.1! brad       33: void     packet_set_server(void);
        !            34: void     packet_set_authenticated(void);
1.25      markus     35:
                     36: void     packet_start(u_char);
                     37: void     packet_put_char(int ch);
                     38: void     packet_put_int(u_int value);
                     39: void     packet_put_bignum(BIGNUM * value);
                     40: void     packet_put_bignum2(BIGNUM * value);
1.27      stevesk    41: void     packet_put_string(const void *buf, u_int len);
1.25      markus     42: void     packet_put_cstring(const char *str);
1.27      stevesk    43: void     packet_put_raw(const void *buf, u_int len);
1.25      markus     44: void     packet_send(void);
                     45:
1.32      markus     46: int      packet_read(void);
                     47: void     packet_read_expect(int type);
                     48: int      packet_read_poll(void);
1.25      markus     49: void     packet_process_incoming(const char *buf, u_int len);
1.32      markus     50: int      packet_read_seqnr(u_int32_t *seqnr_p);
                     51: int      packet_read_poll_seqnr(u_int32_t *seqnr_p);
1.25      markus     52:
                     53: u_int   packet_get_char(void);
                     54: u_int   packet_get_int(void);
1.31      markus     55: void     packet_get_bignum(BIGNUM * value);
                     56: void     packet_get_bignum2(BIGNUM * value);
1.41.2.1! brad       57: void   *packet_get_raw(u_int *length_ptr);
1.27      stevesk    58: void   *packet_get_string(u_int *length_ptr);
1.25      markus     59: void     packet_disconnect(const char *fmt,...) __attribute__((format(printf, 1, 2)));
                     60: void     packet_send_debug(const char *fmt,...) __attribute__((format(printf, 1, 2)));
1.34      markus     61:
                     62: void    set_newkeys(int mode);
                     63: int     packet_get_keyiv_len(int);
                     64: void    packet_get_keyiv(int, u_char *, u_int);
                     65: int     packet_get_keycontext(int, u_char *);
                     66: void    packet_set_keycontext(int, u_char *);
1.38      markus     67: void    packet_get_state(int, u_int32_t *, u_int64_t *, u_int32_t *);
                     68: void    packet_set_state(int, u_int32_t, u_int64_t, u_int32_t);
1.34      markus     69: int     packet_get_ssh1_cipher(void);
                     70: void    packet_set_iv(int, u_char *);
1.25      markus     71:
                     72: void     packet_write_poll(void);
                     73: void     packet_write_wait(void);
                     74: int      packet_have_data_to_write(void);
                     75: int      packet_not_very_much_data_to_write(void);
                     76:
                     77: int     packet_connection_is_on_socket(void);
                     78: int     packet_connection_is_ipv4(void);
                     79: int     packet_remaining(void);
                     80: void    packet_send_ignore(int);
1.26      markus     81: void    packet_add_padding(u_char);
1.1       deraadt    82:
1.25      markus     83: void    tty_make_modes(int, struct termios *);
                     84: void    tty_parse_modes(int, int *);
1.1       deraadt    85:
1.40      markus     86: extern u_int max_packet_size;
1.41      deraadt    87: int     packet_set_maxsize(u_int);
1.25      markus     88: #define  packet_get_maxsize() max_packet_size
1.8       markus     89:
1.30      markus     90: /* don't allow remaining bytes after the end of the message */
                     91: #define packet_check_eom() \
1.14      markus     92: do { \
                     93:        int _len = packet_remaining(); \
                     94:        if (_len > 0) { \
1.39      itojun     95:                logit("Packet integrity error (%d bytes remaining) at %s:%d", \
1.14      markus     96:                    _len ,__FILE__, __LINE__); \
                     97:                packet_disconnect("Packet integrity error."); \
                     98:        } \
                     99: } while (0)
1.38      markus    100:
                    101: int     packet_need_rekeying(void);
                    102: void    packet_set_rekey_limit(u_int32_t);
1.1       deraadt   103:
1.5       deraadt   104: #endif                         /* PACKET_H */