mirror of
https://git.libssh.org/projects/libssh.git
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234 lines
6.6 KiB
C
234 lines
6.6 KiB
C
/*
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* This file is part of the SSH Library
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*
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* Copyright (c) 2003-2009 by Aris Adamantiadis
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*
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* The SSH Library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or (at your
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* option) any later version.
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*
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* The SSH Library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with the SSH Library; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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* MA 02111-1307, USA.
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*/
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/*
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* priv.h file
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* This include file contains everything you shouldn't deal with in
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* user programs. Consider that anything in this file might change
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* without notice; libssh.h file will keep backward compatibility
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* on binary & source
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*/
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#ifndef _LIBSSH_PRIV_H
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#define _LIBSSH_PRIV_H
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#include "config.h"
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#ifdef _WIN32
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/* Imitate define of inttypes.h */
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# ifndef PRIdS
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# define PRIdS "Id"
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# endif
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# ifndef PRIu64
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# if __WORDSIZE == 64
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# define PRIu64 "lu"
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# else
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# define PRIu64 "llu"
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# endif /* __WORDSIZE */
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# endif /* PRIu64 */
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# ifdef _MSC_VER
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# include <stdio.h>
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/* On Microsoft compilers define inline to __inline on all others use inline */
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# undef inline
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# define inline __inline
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# define strcasecmp _stricmp
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# define strncasecmp _strnicmp
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# define strtoull _strtoui64
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# define isblank(ch) ((ch) == ' ' || (ch) == '\t' || (ch) == '\n' || (ch) == '\r')
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# define usleep(X) Sleep(((X)+1000)/1000)
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# undef strtok_r
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# define strtok_r strtok_s
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# if defined(HAVE__SNPRINTF_S)
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# undef snprintf
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# define snprintf(d, n, ...) _snprintf_s((d), (n), _TRUNCATE, __VA_ARGS__)
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# else /* HAVE__SNPRINTF_S */
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# if defined(HAVE__SNPRINTF)
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# undef snprintf
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# define snprintf _snprintf
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# else /* HAVE__SNPRINTF */
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# if !defined(HAVE_SNPRINTF)
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# error "no snprintf compatible function found"
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# endif /* HAVE_SNPRINTF */
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# endif /* HAVE__SNPRINTF */
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# endif /* HAVE__SNPRINTF_S */
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# if defined(HAVE__VSNPRINTF_S)
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# undef vsnprintf
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# define vsnprintf(s, n, f, v) _vsnprintf_s((s), (n), _TRUNCATE, (f), (v))
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# else /* HAVE__VSNPRINTF_S */
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# if defined(HAVE__VSNPRINTF)
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# undef vsnprintf
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# define vsnprintf _vsnprintf
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# else
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# if !defined(HAVE_VSNPRINTF)
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# error "No vsnprintf compatible function found"
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# endif /* HAVE_VSNPRINTF */
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# endif /* HAVE__VSNPRINTF */
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# endif /* HAVE__VSNPRINTF_S */
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# endif /* _MSC_VER */
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int gettimeofday(struct timeval *__p, void *__t);
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#else /* _WIN32 */
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#include <unistd.h>
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#define PRIdS "zd"
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#endif /* _WIN32 */
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#include "libssh/libssh.h"
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#include "libssh/callbacks.h"
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/* some constants */
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#define MAX_PACKET_LEN 262144
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#define ERROR_BUFFERLEN 1024
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#define CLIENTBANNER1 "SSH-1.5-libssh-" SSH_STRINGIFY(LIBSSH_VERSION)
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#define CLIENTBANNER2 "SSH-2.0-libssh-" SSH_STRINGIFY(LIBSSH_VERSION)
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#define KBDINT_MAX_PROMPT 256 /* more than openssh's :) */
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#ifndef __FUNCTION__
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#if defined(__SUNPRO_C)
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#define __FUNCTION__ __func__
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#endif
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#endif
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#define enter_function() (void)session
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#define leave_function() (void)session
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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/* forward declarations */
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struct ssh_common_struct;
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struct ssh_kex_struct;
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int ssh_get_key_params(ssh_session session, ssh_key *privkey);
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/* LOGGING */
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#define SSH_LOG(session, priority, ...) \
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ssh_log_common(&session->common, priority, __FUNCTION__, __VA_ARGS__)
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void ssh_log_common(struct ssh_common_struct *common,
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int verbosity,
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const char *function,
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const char *format, ...) PRINTF_ATTRIBUTE(4, 5);
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void ssh_log_function(int verbosity,
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const char *function,
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const char *buffer);
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/* ERROR HANDLING */
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/* error handling structure */
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struct error_struct {
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int error_code;
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char error_buffer[ERROR_BUFFERLEN];
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};
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#define ssh_set_error(error, code, ...) \
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_ssh_set_error(error, code, __FUNCTION__, __VA_ARGS__)
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void _ssh_set_error(void *error,
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int code,
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const char *function,
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const char *descr, ...) PRINTF_ATTRIBUTE(4, 5);
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#define ssh_set_error_oom(error) \
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_ssh_set_error_oom(error, __FUNCTION__)
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void _ssh_set_error_oom(void *error, const char *function);
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#define ssh_set_error_invalid(error) \
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_ssh_set_error_invalid(error, __FUNCTION__)
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void _ssh_set_error_invalid(void *error, const char *function);
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/* client.c */
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int ssh_send_banner(ssh_session session, int is_server);
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/* connect.c */
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socket_t ssh_connect_host(ssh_session session, const char *host,const char
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*bind_addr, int port, long timeout, long usec);
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socket_t ssh_connect_host_nonblocking(ssh_session session, const char *host,
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const char *bind_addr, int port);
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/* in base64.c */
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ssh_buffer base64_to_bin(const char *source);
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unsigned char *bin_to_base64(const unsigned char *source, int len);
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/* gzip.c */
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int compress_buffer(ssh_session session,ssh_buffer buf);
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int decompress_buffer(ssh_session session,ssh_buffer buf, size_t maxlen);
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/* match.c */
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int match_hostname(const char *host, const char *pattern, unsigned int len);
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/** Free memory space */
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#define SAFE_FREE(x) do { if ((x) != NULL) {free(x); x=NULL;} } while(0)
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/** Zero a structure */
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#define ZERO_STRUCT(x) memset((char *)&(x), 0, sizeof(x))
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/** Zero a structure given a pointer to the structure */
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#define ZERO_STRUCTP(x) do { if ((x) != NULL) memset((char *)(x), 0, sizeof(*(x))); } while(0)
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/** Get the size of an array */
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#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
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/** Overwrite the complete string with 'X' */
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#define BURN_STRING(x) do { if ((x) != NULL) memset((x), 'X', strlen((x))); } while(0)
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/**
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* This is a hack to fix warnings. The idea is to use this everywhere that we
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* get the "discarding const" warning by the compiler. That doesn't actually
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* fix the real issue, but marks the place and you can search the code for
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* discard_const.
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*
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* Please use this macro only when there is no other way to fix the warning.
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* We should use this function in only in a very few places.
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*
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* Also, please call this via the discard_const_p() macro interface, as that
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* makes the return type safe.
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*/
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#define discard_const(ptr) ((void *)((uintptr_t)(ptr)))
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/**
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* Type-safe version of discard_const
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*/
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#define discard_const_p(type, ptr) ((type *)discard_const(ptr))
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#endif /* _LIBSSH_PRIV_H */
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/* vim: set ts=4 sw=4 et cindent: */
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