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Diffstat (limited to 'ext/zip/lib/zip_extra_field_api.c')
-rw-r--r--ext/zip/lib/zip_extra_field_api.c366
1 files changed, 0 insertions, 366 deletions
diff --git a/ext/zip/lib/zip_extra_field_api.c b/ext/zip/lib/zip_extra_field_api.c
deleted file mode 100644
index d537394525..0000000000
--- a/ext/zip/lib/zip_extra_field_api.c
+++ /dev/null
@@ -1,366 +0,0 @@
-/*
- zip_extra_field_api.c -- public extra fields API functions
- Copyright (C) 2012-2014 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"
-
-
-ZIP_EXTERN int
-zip_file_extra_field_delete(zip_t *za, zip_uint64_t idx, zip_uint16_t ef_idx, zip_flags_t flags)
-{
- zip_dirent_t *de;
-
- if ((flags & ZIP_EF_BOTH) == 0) {
- zip_error_set(&za->error, ZIP_ER_INVAL, 0);
- return -1;
- }
-
- if (((flags & ZIP_EF_BOTH) == ZIP_EF_BOTH) && (ef_idx != ZIP_EXTRA_FIELD_ALL)) {
- zip_error_set(&za->error, ZIP_ER_INVAL, 0);
- return -1;
- }
-
- if (_zip_get_dirent(za, idx, 0, NULL) == NULL)
- return -1;
-
- if (ZIP_IS_RDONLY(za)) {
- zip_error_set(&za->error, ZIP_ER_RDONLY, 0);
- return -1;
- }
-
- if (_zip_file_extra_field_prepare_for_change(za, idx) < 0)
- return -1;
-
- de = za->entry[idx].changes;
-
- de->extra_fields = _zip_ef_delete_by_id(de->extra_fields, ZIP_EXTRA_FIELD_ALL, ef_idx, flags);
- return 0;
-}
-
-
-ZIP_EXTERN int
-zip_file_extra_field_delete_by_id(zip_t *za, zip_uint64_t idx, zip_uint16_t ef_id, zip_uint16_t ef_idx, zip_flags_t flags)
-{
- zip_dirent_t *de;
-
- if ((flags & ZIP_EF_BOTH) == 0) {
- zip_error_set(&za->error, ZIP_ER_INVAL, 0);
- return -1;
- }
-
- if (((flags & ZIP_EF_BOTH) == ZIP_EF_BOTH) && (ef_idx != ZIP_EXTRA_FIELD_ALL)) {
- zip_error_set(&za->error, ZIP_ER_INVAL, 0);
- return -1;
- }
-
- if (_zip_get_dirent(za, idx, 0, NULL) == NULL)
- return -1;
-
- if (ZIP_IS_RDONLY(za)) {
- zip_error_set(&za->error, ZIP_ER_RDONLY, 0);
- return -1;
- }
-
- if (_zip_file_extra_field_prepare_for_change(za, idx) < 0)
- return -1;
-
- de = za->entry[idx].changes;
-
- de->extra_fields = _zip_ef_delete_by_id(de->extra_fields, ef_id, ef_idx, flags);
- return 0;
-}
-
-
-ZIP_EXTERN const zip_uint8_t *
-zip_file_extra_field_get(zip_t *za, zip_uint64_t idx, zip_uint16_t ef_idx, zip_uint16_t *idp, zip_uint16_t *lenp, zip_flags_t flags)
-{
- static const zip_uint8_t empty[1] = { '\0' };
-
- zip_dirent_t *de;
- zip_extra_field_t *ef;
- int i;
-
- if ((flags & ZIP_EF_BOTH) == 0) {
- zip_error_set(&za->error, ZIP_ER_INVAL, 0);
- return NULL;
- }
-
- if ((de=_zip_get_dirent(za, idx, flags, &za->error)) == NULL)
- return NULL;
-
- if (flags & ZIP_FL_LOCAL)
- if (_zip_read_local_ef(za, idx) < 0)
- return NULL;
-
- i = 0;
- for (ef=de->extra_fields; ef; ef=ef->next) {
- if (ef->flags & flags & ZIP_EF_BOTH) {
- if (i < ef_idx) {
- i++;
- continue;
- }
-
- if (idp)
- *idp = ef->id;
- if (lenp)
- *lenp = ef->size;
- if (ef->size > 0)
- return ef->data;
- else
- return empty;
- }
- }
-
- zip_error_set(&za->error, ZIP_ER_NOENT, 0);
- return NULL;
-
-}
-
-
-ZIP_EXTERN const zip_uint8_t *
-zip_file_extra_field_get_by_id(zip_t *za, zip_uint64_t idx, zip_uint16_t ef_id, zip_uint16_t ef_idx, zip_uint16_t *lenp, zip_flags_t flags)
-{
- zip_dirent_t *de;
-
- if ((flags & ZIP_EF_BOTH) == 0) {
- zip_error_set(&za->error, ZIP_ER_INVAL, 0);
- return NULL;
- }
-
- if ((de=_zip_get_dirent(za, idx, flags, &za->error)) == NULL)
- return NULL;
-
- if (flags & ZIP_FL_LOCAL)
- if (_zip_read_local_ef(za, idx) < 0)
- return NULL;
-
- return _zip_ef_get_by_id(de->extra_fields, lenp, ef_id, ef_idx, flags, &za->error);
-}
-
-
-ZIP_EXTERN zip_int16_t
-zip_file_extra_fields_count(zip_t *za, zip_uint64_t idx, zip_flags_t flags)
-{
- zip_dirent_t *de;
- zip_extra_field_t *ef;
- zip_uint16_t n;
-
- if ((flags & ZIP_EF_BOTH) == 0) {
- zip_error_set(&za->error, ZIP_ER_INVAL, 0);
- return -1;
- }
-
- if ((de=_zip_get_dirent(za, idx, flags, &za->error)) == NULL)
- return -1;
-
- if (flags & ZIP_FL_LOCAL)
- if (_zip_read_local_ef(za, idx) < 0)
- return -1;
-
- n = 0;
- for (ef=de->extra_fields; ef; ef=ef->next)
- if (ef->flags & flags & ZIP_EF_BOTH)
- n++;
-
- return (zip_int16_t)n;
-}
-
-
-ZIP_EXTERN zip_int16_t
-zip_file_extra_fields_count_by_id(zip_t *za, zip_uint64_t idx, zip_uint16_t ef_id, zip_flags_t flags)
-{
- zip_dirent_t *de;
- zip_extra_field_t *ef;
- zip_uint16_t n;
-
- if ((flags & ZIP_EF_BOTH) == 0) {
- zip_error_set(&za->error, ZIP_ER_INVAL, 0);
- return -1;
- }
-
- if ((de=_zip_get_dirent(za, idx, flags, &za->error)) == NULL)
- return -1;
-
- if (flags & ZIP_FL_LOCAL)
- if (_zip_read_local_ef(za, idx) < 0)
- return -1;
-
- n = 0;
- for (ef=de->extra_fields; ef; ef=ef->next)
- if (ef->id == ef_id && (ef->flags & flags & ZIP_EF_BOTH))
- n++;
-
- return (zip_int16_t)n;
-}
-
-
-ZIP_EXTERN int
-zip_file_extra_field_set(zip_t *za, zip_uint64_t idx, zip_uint16_t ef_id, zip_uint16_t ef_idx, const zip_uint8_t *data, zip_uint16_t len, zip_flags_t flags)
-{
- zip_dirent_t *de;
- zip_uint16_t ls, cs;
- zip_extra_field_t *ef, *ef_prev, *ef_new;
- int i, found, new_len;
-
- if ((flags & ZIP_EF_BOTH) == 0) {
- zip_error_set(&za->error, ZIP_ER_INVAL, 0);
- return -1;
- }
-
- if (_zip_get_dirent(za, idx, 0, NULL) == NULL)
- return -1;
-
- if (ZIP_IS_RDONLY(za)) {
- zip_error_set(&za->error, ZIP_ER_RDONLY, 0);
- return -1;
- }
-
- if (ZIP_EF_IS_INTERNAL(ef_id)) {
- zip_error_set(&za->error, ZIP_ER_INVAL, 0);
- return -1;
- }
-
- if (_zip_file_extra_field_prepare_for_change(za, idx) < 0)
- return -1;
-
- de = za->entry[idx].changes;
-
- ef = de->extra_fields;
- ef_prev = NULL;
- i = 0;
- found = 0;
-
- for (; ef; ef=ef->next) {
- if (ef->id == ef_id && (ef->flags & flags & ZIP_EF_BOTH)) {
- if (i == ef_idx) {
- found = 1;
- break;
- }
- i++;
- }
- ef_prev = ef;
- }
-
- if (i < ef_idx && ef_idx != ZIP_EXTRA_FIELD_NEW) {
- zip_error_set(&za->error, ZIP_ER_INVAL, 0);
- return -1;
- }
-
- if (flags & ZIP_EF_LOCAL)
- ls = _zip_ef_size(de->extra_fields, ZIP_EF_LOCAL);
- else
- ls = 0;
- if (flags & ZIP_EF_CENTRAL)
- cs = _zip_ef_size(de->extra_fields, ZIP_EF_CENTRAL);
- else
- cs = 0;
-
- new_len = ls > cs ? ls : cs;
- if (found)
- new_len -= ef->size + 4;
- new_len += len + 4;
-
- if (new_len > ZIP_UINT16_MAX) {
- zip_error_set(&za->error, ZIP_ER_INVAL, 0);
- return -1;
- }
-
- if ((ef_new=_zip_ef_new(ef_id, len, data, flags)) == NULL) {
- zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
- return -1;
- }
-
- if (found) {
- if ((ef->flags & ZIP_EF_BOTH) == (flags & ZIP_EF_BOTH)) {
- ef_new->next = ef->next;
- ef->next = NULL;
- _zip_ef_free(ef);
- if (ef_prev)
- ef_prev->next = ef_new;
- else
- de->extra_fields = ef_new;
- }
- else {
- ef->flags &= ~(flags & ZIP_EF_BOTH);
- ef_new->next = ef->next;
- ef->next = ef_new;
- }
- }
- else if (ef_prev) {
- ef_new->next = ef_prev->next;
- ef_prev->next = ef_new;
- }
- else
- de->extra_fields = ef_new;
-
- return 0;
-}
-
-
-
-int
-_zip_file_extra_field_prepare_for_change(zip_t *za, zip_uint64_t idx)
-{
- zip_entry_t *e;
-
- if (idx >= za->nentry) {
- zip_error_set(&za->error, ZIP_ER_INVAL, 0);
- return -1;
- }
-
- e = za->entry+idx;
-
- if (e->changes && (e->changes->changed & ZIP_DIRENT_EXTRA_FIELD))
- return 0;
-
- if (e->orig) {
- if (_zip_read_local_ef(za, idx) < 0)
- return -1;
- }
-
- if (e->changes == NULL) {
- if ((e->changes=_zip_dirent_clone(e->orig)) == NULL) {
- zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
- return -1;
- }
- }
-
- if (e->orig && e->orig->extra_fields) {
- if ((e->changes->extra_fields=_zip_ef_clone(e->orig->extra_fields, &za->error)) == NULL)
- return -1;
- }
- e->changes->changed |= ZIP_DIRENT_EXTRA_FIELD;
-
- return 0;
-}
-
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