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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * Copyright (C) 2002 by Glenn McGrath
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4 | *
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5 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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6 | */
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7 |
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8 | #include "libbb.h"
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9 | #include "unarchive.h"
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10 |
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11 | /*
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12 | * Reassign the subarchive metadata parser based on the filename extension
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13 | * e.g. if its a .tar.gz modify archive_handle->sub_archive to process a .tar.gz
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14 | * or if its a .tar.bz2 make archive_handle->sub_archive handle that
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15 | */
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16 | char filter_accept_list_reassign(archive_handle_t *archive_handle)
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17 | {
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18 | /* Check the file entry is in the accept list */
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19 | if (find_list_entry(archive_handle->accept, archive_handle->file_header->name)) {
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20 | const char *name_ptr;
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21 |
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22 | /* Extract the last 2 extensions */
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23 | name_ptr = strrchr(archive_handle->file_header->name, '.');
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24 |
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25 | /* Modify the subarchive handler based on the extension */
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26 | #if ENABLE_FEATURE_DEB_TAR_GZ
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27 | if (strcmp(name_ptr, ".gz") == 0) {
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28 | archive_handle->action_data_subarchive = get_header_tar_gz;
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29 | return EXIT_SUCCESS;
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30 | }
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31 | #endif
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32 | #if ENABLE_FEATURE_DEB_TAR_BZ2
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33 | if (strcmp(name_ptr, ".bz2") == 0) {
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34 | archive_handle->action_data_subarchive = get_header_tar_bz2;
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35 | return EXIT_SUCCESS;
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36 | }
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37 | #endif
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38 | if (ENABLE_FEATURE_DEB_TAR_LZMA && !strcmp(name_ptr, ".lzma")) {
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39 | archive_handle->action_data_subarchive = get_header_tar_lzma;
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40 | return EXIT_SUCCESS;
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41 | }
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42 | }
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43 | return EXIT_FAILURE;
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44 | }
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