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/*
* This file is part of the SSH Library
*
* Copyright (c) 2003-2009 by Aris Adamantiadis
*
* The SSH Library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* The SSH Library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the SSH Library; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
/*
* priv.h file
* This include file contains everything you shouldn't deal with in
* user programs. Consider that anything in this file might change
* without notice; libssh.h file will keep backward compatibility
* on binary & source
*/
#ifndef _LIBSSH_PRIV_H
#define _LIBSSH_PRIV_H
#include "config.h"
#ifdef _WIN32
/* Imitate define of inttypes.h */
# ifndef PRIdS
# define PRIdS "Id"
# endif
# ifdef _MSC_VER
# include <stdio.h>
/* On Microsoft compilers define inline to __inline on all others use inline */
# undef inline
# define inline __inline
# undef strdup
# define strdup _strdup
# define strcasecmp _stricmp
# define strncasecmp _strnicmp
# define strtoull _strtoui64
# define isblank(ch) ((ch) == ' ' || (ch) == '\t' || (ch) == '\n' || (ch) == '\r')
# define usleep(X) Sleep(((X)+1000)/1000)
# undef strtok_r
# define strtok_r strtok_s
# if defined(HAVE__SNPRINTF_S)
# undef snprintf
# define snprintf(d, n, ...) _snprintf_s((d), (n), _TRUNCATE, __VA_ARGS__)
# else /* HAVE__SNPRINTF_S */
# if defined(HAVE__SNPRINTF)
# undef snprintf
# define snprintf _snprintf
# else /* HAVE__SNPRINTF */
# if !defined(HAVE_SNPRINTF)
# error "no snprintf compatible function found"
# endif /* HAVE_SNPRINTF */
# endif /* HAVE__SNPRINTF */
# endif /* HAVE__SNPRINTF_S */
# if defined(HAVE__VSNPRINTF_S)
# undef vsnprintf
# define vsnprintf(s, n, f, v) _vsnprintf_s((s), (n), _TRUNCATE, (f), (v))
# else /* HAVE__VSNPRINTF_S */
# if defined(HAVE__VSNPRINTF)
# undef vsnprintf
# define vsnprintf _vsnprintf
# else
# if !defined(HAVE_VSNPRINTF)
# error "No vsnprintf compatible function found"
# endif /* HAVE_VSNPRINTF */
# endif /* HAVE__VSNPRINTF */
# endif /* HAVE__VSNPRINTF_S */
# ifndef HAVE_STRNCPY
# define strncpy(d, s, n) strncpy_s((d), (n), (s), _TRUNCATE)
# endif
# endif /* _MSC_VER */
#else /* _WIN32 */
#include <unistd.h>
#define PRIdS "zd"
#endif /* _WIN32 */
#include "libssh/libssh.h"
#include "libssh/callbacks.h"
#include "libssh/crypto.h"
/* some constants */
#define MAX_PACKET_LEN 262144
#define ERROR_BUFFERLEN 1024
#define CLIENTBANNER1 "SSH-1.5-libssh-" SSH_STRINGIFY(LIBSSH_VERSION)
#define CLIENTBANNER2 "SSH-2.0-libssh-" SSH_STRINGIFY(LIBSSH_VERSION)
#define KBDINT_MAX_PROMPT 256 /* more than openssh's :) */
#ifdef __cplusplus
extern "C" {
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
typedef struct kex_struct {
unsigned char cookie[16];
char **methods;
} KEX;
struct error_struct {
/* error handling */
int error_code;
char error_buffer[ERROR_BUFFERLEN];
};
/* TODO: remove that include */
#include "libssh/wrapper.h"
struct ssh_keys_struct {
const char *privatekey;
const char *publickey;
};
struct ssh_message_struct;
/* server data */
SSH_PACKET_CALLBACK(ssh_packet_disconnect_callback);
SSH_PACKET_CALLBACK(ssh_packet_ignore_callback);
/* client.c */
int ssh_send_banner(ssh_session session, int is_server);
SSH_PACKET_CALLBACK(ssh_packet_dh_reply);
SSH_PACKET_CALLBACK(ssh_packet_newkeys);
SSH_PACKET_CALLBACK(ssh_packet_service_accept);
/* config.c */
int ssh_config_parse_file(ssh_session session, const char *filename);
/* errors.c */
void ssh_set_error(void *error, int code, const char *descr, ...) PRINTF_ATTRIBUTE(3, 4);
void ssh_set_error_oom(void *);
void ssh_set_error_invalid(void *, const char *);
/* in crypt.c */
uint32_t packet_decrypt_len(ssh_session session,char *crypted);
int packet_decrypt(ssh_session session, void *packet,unsigned int len);
unsigned char *packet_encrypt(ssh_session session,void *packet,unsigned int len);
/* it returns the hmac buffer if exists*/
struct ssh_poll_handle_struct;
int packet_hmac_verify(ssh_session session,ssh_buffer buffer,unsigned char *mac);
struct ssh_socket_struct;
int ssh_packet_socket_callback(const void *data, size_t len, void *user);
void ssh_packet_register_socket_callback(ssh_session session, struct ssh_socket_struct *s);
void ssh_packet_set_callbacks(ssh_session session, ssh_packet_callbacks callbacks);
void ssh_packet_set_default_callbacks(ssh_session session);
void ssh_packet_process(ssh_session session, uint8_t type);
/* connect.c */
int ssh_regex_init(void);
void ssh_regex_finalize(void);
socket_t ssh_connect_host(ssh_session session, const char *host,const char
*bind_addr, int port, long timeout, long usec);
socket_t ssh_connect_host_nonblocking(ssh_session session, const char *host,
const char *bind_addr, int port);
void ssh_sock_set_nonblocking(socket_t sock);
void ssh_sock_set_blocking(socket_t sock);
/* in kex.c */
extern const char *ssh_kex_nums[];
int ssh_send_kex(ssh_session session, int server_kex);
void ssh_list_kex(ssh_session session, KEX *kex);
int set_kex(ssh_session session);
int verify_existing_algo(int algo, const char *name);
char **space_tokenize(const char *chain);
int ssh_get_kex1(ssh_session session);
char *ssh_find_matching(const char *in_d, const char *what_d);
/* in base64.c */
ssh_buffer base64_to_bin(const char *source);
unsigned char *bin_to_base64(const unsigned char *source, int len);
/* gzip.c */
int compress_buffer(ssh_session session,ssh_buffer buf);
int decompress_buffer(ssh_session session,ssh_buffer buf, size_t maxlen);
/* crc32.c */
uint32_t ssh_crc32(const char *buf, uint32_t len);
/* match.c */
int match_hostname(const char *host, const char *pattern, unsigned int len);
int message_handle(ssh_session session, void *user, uint8_t type, ssh_buffer packet);
/* log.c */
/* misc.c */
#ifdef _WIN32
int gettimeofday(struct timeval *__p, void *__t);
#endif /* _WIN32 */
#ifndef __FUNCTION__
#if defined(__SUNPRO_C)
#define __FUNCTION__ __func__
#endif
#endif
#define _enter_function(sess) \
do {\
if((sess)->log_verbosity >= SSH_LOG_FUNCTIONS){ \
ssh_log((sess),SSH_LOG_FUNCTIONS,"entering function %s line %d in " __FILE__ , __FUNCTION__,__LINE__);\
(sess)->log_indent++; \
} \
} while(0)
#define _leave_function(sess) \
do { \
if((sess)->log_verbosity >= SSH_LOG_FUNCTIONS){ \
(sess)->log_indent--; \
ssh_log((sess),SSH_LOG_FUNCTIONS,"leaving function %s line %d in " __FILE__ , __FUNCTION__,__LINE__);\
}\
} while(0)
#ifdef DEBUG_CALLTRACE
#define enter_function() _enter_function(session)
#define leave_function() _leave_function(session)
#else
#define enter_function() (void)session
#define leave_function() (void)session
#endif
/* options.c */
int ssh_options_set_algo(ssh_session session, int algo, const char *list);
int ssh_options_apply(ssh_session session);
/* server.c */
SSH_PACKET_CALLBACK(ssh_packet_kexdh_init);
/** Free memory space */
#define SAFE_FREE(x) do { if ((x) != NULL) {free(x); x=NULL;} } while(0)
/** Zero a structure */
#define ZERO_STRUCT(x) memset((char *)&(x), 0, sizeof(x))
/** Zero a structure given a pointer to the structure */
#define ZERO_STRUCTP(x) do { if ((x) != NULL) memset((char *)(x), 0, sizeof(*(x))); } while(0)
/** Get the size of an array */
#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
/** Overwrite the complete string with 'X' */
#define BURN_STRING(x) do { if ((x) != NULL) memset((x), 'X', strlen((x))); } while(0)
#ifdef HAVE_LIBGCRYPT
/* gcrypt_missing.c */
int my_gcry_dec2bn(bignum *bn, const char *data);
char *my_gcry_bn2dec(bignum bn);
#endif /* !HAVE_LIBGCRYPT */
#ifdef __cplusplus
}
#endif
#endif /* _LIBSSH_PRIV_H */
/* vim: set ts=2 sw=2 et cindent: */
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