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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2016-09-15 10:04:05 +0200 |
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| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2016-10-17 18:40:06 +0200 |
| commit | 4dacedd9ccdbdc6a6e62d9fb86e9b2ea903a3629 (patch) | |
| tree | 567350f56dd4ee4dd291d13199610d38dac51879 /src/Common/libzip/zip_fdopen.c | |
| parent | 66891638d51351fae5cd82a88c1a64661a025de0 (diff) | |
| download | VeraCrypt-4dacedd9ccdbdc6a6e62d9fb86e9b2ea903a3629.tar.gz VeraCrypt-4dacedd9ccdbdc6a6e62d9fb86e9b2ea903a3629.zip | |
Windows: Replace XZip/XUnzip library with zlib and libzip and include the sources of these library into VeraCrypt source tree.
Diffstat (limited to 'src/Common/libzip/zip_fdopen.c')
| -rw-r--r-- | src/Common/libzip/zip_fdopen.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/Common/libzip/zip_fdopen.c b/src/Common/libzip/zip_fdopen.c new file mode 100644 index 00000000..bbcdf4f6 --- /dev/null +++ b/src/Common/libzip/zip_fdopen.c @@ -0,0 +1,85 @@ +/* + zip_fdopen.c -- open read-only archive from file descriptor + Copyright (C) 2009-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + + +ZIP_EXTERN zip_t * +zip_fdopen(int fd_orig, int _flags, int *zep) +{ + int fd; + FILE *fp; + zip_t *za; + zip_source_t *src; + struct zip_error error; + + if (_flags < 0 || (_flags & ZIP_TRUNCATE)) { + _zip_set_open_error(zep, NULL, ZIP_ER_INVAL); + return NULL; + } + + /* We dup() here to avoid messing with the passed in fd. + We could not restore it to the original state in case of error. */ + + if ((fd=dup(fd_orig)) < 0) { + _zip_set_open_error(zep, NULL, ZIP_ER_OPEN); + return NULL; + } + + if ((fp=fdopen(fd, "rb")) == NULL) { + close(fd); + _zip_set_open_error(zep, NULL, ZIP_ER_OPEN); + return NULL; + } + + zip_error_init(&error); + if ((src = zip_source_filep_create(fp, 0, -1, &error)) == NULL) { + _zip_set_open_error(zep, &error, 0); + zip_error_fini(&error); + return NULL; + } + + if ((za = zip_open_from_source(src, _flags, &error)) == NULL) { + _zip_set_open_error(zep, &error, 0); + zip_error_fini(&error); + return NULL; + } + + zip_error_fini(&error); + close(fd_orig); + return za; +} |