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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2016-09-15 10:04:05 +0200 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2016-10-17 18:40:06 +0200 |
| commit | 4dacedd9ccdbdc6a6e62d9fb86e9b2ea903a3629 (patch) | |
| tree | 567350f56dd4ee4dd291d13199610d38dac51879 /src/Common/libzip/zip_set_name.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_set_name.c')
| -rw-r--r-- | src/Common/libzip/zip_set_name.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/src/Common/libzip/zip_set_name.c b/src/Common/libzip/zip_set_name.c new file mode 100644 index 00000000..2a461437 --- /dev/null +++ b/src/Common/libzip/zip_set_name.c @@ -0,0 +1,158 @@ +/* + zip_set_name.c -- rename helper function + Copyright (C) 1999-2015 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 <stdlib.h> +#include <string.h> + +#include "zipint.h" + + +int +_zip_set_name(zip_t *za, zip_uint64_t idx, const char *name, zip_flags_t flags) +{ + zip_entry_t *e; + zip_string_t *str; + bool same_as_orig; + zip_int64_t i; + const zip_uint8_t *old_name, *new_name; + zip_string_t *old_str; + + if (idx >= za->nentry) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (ZIP_IS_RDONLY(za)) { + zip_error_set(&za->error, ZIP_ER_RDONLY, 0); + return -1; + } + + if (name && name[0] != '\0') { + /* TODO: check for string too long */ + if ((str=_zip_string_new((const zip_uint8_t *)name, (zip_uint16_t)strlen(name), flags, &za->error)) == NULL) + return -1; + if ((flags & ZIP_FL_ENCODING_ALL) == ZIP_FL_ENC_GUESS && _zip_guess_encoding(str, ZIP_ENCODING_UNKNOWN) == ZIP_ENCODING_UTF8_GUESSED) + str->encoding = ZIP_ENCODING_UTF8_KNOWN; + } + else + str = NULL; + + /* TODO: encoding flags needed for CP437? */ + if ((i=_zip_name_locate(za, name, 0, NULL)) >= 0 && (zip_uint64_t)i != idx) { + _zip_string_free(str); + zip_error_set(&za->error, ZIP_ER_EXISTS, 0); + return -1; + } + + /* no effective name change */ + if (i>=0 && (zip_uint64_t)i == idx) { + _zip_string_free(str); + return 0; + } + + e = za->entry+idx; + + if (e->orig) + same_as_orig = _zip_string_equal(e->orig->filename, str); + else + same_as_orig = false; + + if (!same_as_orig && e->changes == NULL) { + if ((e->changes=_zip_dirent_clone(e->orig)) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + _zip_string_free(str); + return -1; + } + } + + if ((new_name = _zip_string_get(same_as_orig ? e->orig->filename : str, NULL, 0, &za->error)) == NULL) { + _zip_string_free(str); + return -1; + } + + if (e->changes) { + old_str = e->changes->filename; + } + else if (e->orig) { + old_str = e->orig->filename; + } + else { + old_str = NULL; + } + + if (old_str) { + if ((old_name = _zip_string_get(old_str, NULL, 0, &za->error)) == NULL) { + _zip_string_free(str); + return -1; + } + } + else { + old_name = NULL; + } + + if (_zip_hash_add(za->names, new_name, idx, 0, &za->error) == false) { + _zip_string_free(str); + return -1; + } + if (old_name) { + _zip_hash_delete(za->names, old_name, NULL); + } + + if (same_as_orig) { + if (e->changes) { + if (e->changes->changed & ZIP_DIRENT_FILENAME) { + _zip_string_free(e->changes->filename); + e->changes->changed &= ~ZIP_DIRENT_FILENAME; + if (e->changes->changed == 0) { + _zip_dirent_free(e->changes); + e->changes = NULL; + } + else { + /* TODO: what if not cloned? can that happen? */ + e->changes->filename = e->orig->filename; + } + } + } + _zip_string_free(str); + } + else { + if (e->changes->changed & ZIP_DIRENT_FILENAME) { + _zip_string_free(e->changes->filename); + } + e->changes->changed |= ZIP_DIRENT_FILENAME; + e->changes->filename = str; + } + + return 0; +} |