/* zip_fdopen.c -- open read-only archive from file descriptor Copyright (C) 2009-2021 Dieter Baron and Thomas Klausner This file is part of libzip, a library to manipulate ZIP archives. The authors can be contacted 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 #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_CHECKCONS | ZIP_RDONLY))) { _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) { fclose(fp); _zip_set_open_error(zep, &error, 0); zip_error_fini(&error); return NULL; } if ((za = zip_open_from_source(src, _flags, &error)) == NULL) { zip_source_free(src); _zip_set_open_error(zep, &error, 0); zip_error_fini(&error); return NULL; } zip_error_fini(&error); close(fd_orig); return za; } ry='blob content' class='blob'>