[821] | 1 | /*
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| 2 | * Copyright (C) 2002 by Glenn McGrath
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| 3 | *
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| 4 | * This program is free software; you can redistribute it and/or modify
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| 5 | * it under the terms of the GNU General Public License as published by
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| 6 | * the Free Software Foundation; either version 2 of the License, or
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| 7 | * (at your option) any later version.
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| 8 | *
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| 9 | * This program is distributed in the hope that it will be useful,
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | * GNU General Public License for more details.
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| 13 | *
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| 14 | * You should have received a copy of the GNU General Public License
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| 15 | * along with this program; if not, write to the Free Software
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| 16 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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| 17 | */
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| 18 |
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| 19 | #include <stdlib.h>
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| 20 | #include <string.h>
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| 21 | #include <unistd.h>
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| 22 |
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| 23 | #include "libbb.h"
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| 24 | #include "unarchive.h"
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| 25 |
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| 26 | /*
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| 27 | * Reassign the subarchive metadata parser based on the filename extension
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| 28 | * e.g. if its a .tar.gz modify archive_handle->sub_archive to process a .tar.gz
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| 29 | * or if its a .tar.bz2 make archive_handle->sub_archive handle that
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| 30 | */
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| 31 | char filter_accept_list_reassign(archive_handle_t *archive_handle)
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| 32 | {
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| 33 | /* Check the file entry is in the accept list */
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| 34 | if (find_list_entry(archive_handle->accept, archive_handle->file_header->name)) {
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| 35 | const char *name_ptr;
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| 36 |
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| 37 | /* Extract the last 2 extensions */
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| 38 | name_ptr = strrchr(archive_handle->file_header->name, '.');
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| 39 |
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| 40 | /* Modify the subarchive handler based on the extension */
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| 41 | #ifdef CONFIG_FEATURE_DEB_TAR_GZ
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| 42 | if (strcmp(name_ptr, ".gz") == 0) {
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| 43 | archive_handle->action_data_subarchive = get_header_tar_gz;
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| 44 | return(EXIT_SUCCESS);
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| 45 | }
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| 46 | #endif
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| 47 | #ifdef CONFIG_FEATURE_DEB_TAR_BZ2
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| 48 | if (strcmp(name_ptr, ".bz2") == 0) {
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| 49 | archive_handle->action_data_subarchive = get_header_tar_bz2;
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| 50 | return(EXIT_SUCCESS);
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| 51 | }
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| 52 | #endif
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| 53 | if (ENABLE_FEATURE_DEB_TAR_LZMA && !strcmp(name_ptr, ".lzma")) {
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| 54 | archive_handle->action_data_subarchive = get_header_tar_lzma;
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| 55 | return(EXIT_SUCCESS);
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| 56 | }
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| 57 | }
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| 58 | return(EXIT_FAILURE);
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| 59 | }
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