118 lines
3.5 KiB
Text
118 lines
3.5 KiB
Text
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.\" zip_fopen_encrypted.mdoc -- open encrypted file in zip archive for reading
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.\" Copyright (C) 2011-2017 Dieter Baron and Thomas Klausner
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.\"
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.\" This file is part of libzip, a library to manipulate ZIP archives.
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.\" The authors can be contacted at <libzip@nih.at>
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in
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.\" the documentation and/or other materials provided with the
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.\" distribution.
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.\" 3. The names of the authors may not be used to endorse or promote
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.\" products derived from this software without specific prior
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.\" written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
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.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
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.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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.\" GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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.\" IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd December 18, 2017
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.Dt ZIP_FOPEN_ENCRYPTED 3
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.Os
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.Sh NAME
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.Nm zip_fopen_encrypted ,
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.Nm zip_fopen_index_encrypted
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.Nd open encrypted file in zip archive for reading
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.Sh LIBRARY
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libzip (-lzip)
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.Sh SYNOPSIS
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.In zip.h
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.Ft zip_file_t *
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.Fn zip_fopen_encrypted "zip_t *archive" "const char *fname" "zip_flags_t flags" "const char *password"
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.Ft zip_file_t *
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.Fn zip_fopen_index_encrypted "zip_t *archive" "zip_uint64_t index" "zip_flags_t flags" "const char *password"
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.Sh DESCRIPTION
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The
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.Fn zip_fopen_encrypted
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function opens the encrypted file name
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.Ar fname
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in
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.Ar archive
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using the password given in the
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.Ar password
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argument.
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The
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.Ar flags
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argument are the same as for
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.Xr zip_fopen 3 .
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.Pp
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The
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.Fn zip_fopen_index_encrypted
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function opens the file at position
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.Ar index ,
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see
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.Xr zip_fopen_index 3 .
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These functions are called automatically by
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.Xr zip_fopen 3 ;
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you only need to call them if you want to specify a non-default password
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(see
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.Xr zip_set_default_password 3 ) .
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.Sh RETURN VALUES
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Upon successful completion, a
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.Ft struct zip_file
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pointer is returned.
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Otherwise,
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.Dv NULL
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is returned and the error code in
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.Ar archive
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is set to indicate the error.
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.Sh ERRORS
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.Bl -tag -width ZIP_ER_ENCRNOTSUPPXX
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.It Bq Er ZIP_ER_NOPASSWD
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No password was provided.
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.El
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.Pp
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The function
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.Fn zip_fopen_encrypted
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may also fail and set
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.Va zip_err
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for any of the errors specified for the routine
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.Xr zip_fopen 3 .
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.Pp
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The function
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.Fn zip_fopen_index_encrypted
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may also fail and set
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.Va zip_err
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for any of the errors specified for the routine
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.Xr zip_fopen_index 3 .
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.Sh SEE ALSO
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.Xr libzip 3 ,
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.Xr zip_fclose 3 ,
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.Xr zip_fopen 3 ,
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.Xr zip_fread 3 ,
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.Xr zip_get_num_entries 3 ,
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.Xr zip_name_locate 3
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.Sh HISTORY
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.Fn zip_fopen_encrypted
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and
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.Fn zip_fopen_index_encrypted
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were added in libzip 1.0.
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.Sh AUTHORS
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.An -nosplit
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.An Dieter Baron Aq Mt dillo@nih.at
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and
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.An Thomas Klausner Aq Mt tk@giga.or.at
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