openssh/packet.h
Damien Miller 51096383e9 - djm@cvs.openbsd.org 2006/03/25 22:22:43
[atomicio.h auth-options.h auth.h auth2-gss.c authfd.h authfile.h]
     [bufaux.h buffer.h canohost.h channels.h cipher.h clientloop.h]
     [compat.h compress.h crc32.c crc32.h deattack.h dh.h dispatch.h]
     [dns.c dns.h getput.h groupaccess.h gss-genr.c gss-serv-krb5.c]
     [gss-serv.c hostfile.h includes.h kex.h key.h log.h mac.h match.h]
     [misc.h monitor.h monitor_fdpass.h monitor_mm.h monitor_wrap.h msg.h]
     [myproposal.h packet.h pathnames.h progressmeter.h readconf.h rsa.h]
     [scard.h servconf.h serverloop.h session.h sftp-common.h sftp.h]
     [ssh-gss.h ssh.h ssh1.h ssh2.h sshconnect.h sshlogin.h sshpty.h]
     [ttymodes.h uidswap.h uuencode.h xmalloc.h]
     standardise spacing in $OpenBSD$ tags; requested by deraadt@
2006-03-26 14:30:00 +11:00

107 lines
3.6 KiB
C

/* $OpenBSD: packet.h,v 1.45 2006/03/25 22:22:43 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
* Interface for the packet protocol functions.
*
* As far as I am concerned, the code I have written for this software
* can be used freely for any purpose. Any derived versions of this
* software must be clearly marked as such, and if the derived work is
* incompatible with the protocol description in the RFC file, it must be
* called by a name other than "ssh" or "Secure Shell".
*/
#ifndef PACKET_H
#define PACKET_H
#include <termios.h>
#include <openssl/bn.h>
void packet_set_connection(int, int);
void packet_set_nonblocking(void);
int packet_get_connection_in(void);
int packet_get_connection_out(void);
void packet_close(void);
void packet_set_encryption_key(const u_char *, u_int, int);
u_int packet_get_encryption_key(u_char *);
void packet_set_protocol_flags(u_int);
u_int packet_get_protocol_flags(void);
void packet_start_compression(int);
void packet_set_interactive(int);
int packet_is_interactive(void);
void packet_set_server(void);
void packet_set_authenticated(void);
void packet_start(u_char);
void packet_put_char(int ch);
void packet_put_int(u_int value);
void packet_put_bignum(BIGNUM * value);
void packet_put_bignum2(BIGNUM * value);
void packet_put_string(const void *buf, u_int len);
void packet_put_cstring(const char *str);
void packet_put_raw(const void *buf, u_int len);
void packet_send(void);
int packet_read(void);
void packet_read_expect(int type);
int packet_read_poll(void);
void packet_process_incoming(const char *buf, u_int len);
int packet_read_seqnr(u_int32_t *seqnr_p);
int packet_read_poll_seqnr(u_int32_t *seqnr_p);
u_int packet_get_char(void);
u_int packet_get_int(void);
void packet_get_bignum(BIGNUM * value);
void packet_get_bignum2(BIGNUM * value);
void *packet_get_raw(u_int *length_ptr);
void *packet_get_string(u_int *length_ptr);
void packet_disconnect(const char *fmt,...) __attribute__((format(printf, 1, 2)));
void packet_send_debug(const char *fmt,...) __attribute__((format(printf, 1, 2)));
void set_newkeys(int mode);
int packet_get_keyiv_len(int);
void packet_get_keyiv(int, u_char *, u_int);
int packet_get_keycontext(int, u_char *);
void packet_set_keycontext(int, u_char *);
void packet_get_state(int, u_int32_t *, u_int64_t *, u_int32_t *);
void packet_set_state(int, u_int32_t, u_int64_t, u_int32_t);
int packet_get_ssh1_cipher(void);
void packet_set_iv(int, u_char *);
void packet_write_poll(void);
void packet_write_wait(void);
int packet_have_data_to_write(void);
int packet_not_very_much_data_to_write(void);
int packet_connection_is_on_socket(void);
int packet_connection_is_ipv4(void);
int packet_remaining(void);
void packet_send_ignore(int);
void packet_add_padding(u_char);
void tty_make_modes(int, struct termios *);
void tty_parse_modes(int, int *);
extern u_int max_packet_size;
int packet_set_maxsize(u_int);
#define packet_get_maxsize() max_packet_size
/* don't allow remaining bytes after the end of the message */
#define packet_check_eom() \
do { \
int _len = packet_remaining(); \
if (_len > 0) { \
logit("Packet integrity error (%d bytes remaining) at %s:%d", \
_len ,__FILE__, __LINE__); \
packet_disconnect("Packet integrity error."); \
} \
} while (0)
int packet_need_rekeying(void);
void packet_set_rekey_limit(u_int32_t);
#endif /* PACKET_H */