[821] | 1 | /*
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| 2 | * This program is free software; you can redistribute it and/or modify
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| 3 | * it under the terms of the GNU General Public License as published by
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| 4 | * the Free Software Foundation; either version 2 of the License, or
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| 5 | * (at your option) any later version.
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| 6 | *
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| 7 | * This program is distributed in the hope that it will be useful,
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| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 10 | * GNU Library General Public License for more details.
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| 11 | *
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| 12 | * You should have received a copy of the GNU General Public License
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| 13 | * along with this program; if not, write to the Free Software
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| 14 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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| 15 | */
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| 16 |
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| 17 | #include <stdlib.h>
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| 18 |
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| 19 | #include "libbb.h"
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| 20 | #include "unarchive.h"
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| 21 |
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| 22 | char get_header_tar_gz(archive_handle_t *archive_handle)
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| 23 | {
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| 24 | unsigned char magic[2];
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| 25 |
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| 26 | /* Cant lseek over pipe's */
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| 27 | archive_handle->seek = seek_by_char;
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| 28 |
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| 29 | archive_xread_all(archive_handle, &magic, 2);
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| 30 | if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) {
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| 31 | bb_error_msg_and_die("Invalid gzip magic");
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| 32 | }
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| 33 |
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| 34 | check_header_gzip(archive_handle->src_fd);
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| 35 |
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| 36 | archive_handle->src_fd = open_transformer(archive_handle->src_fd, inflate_gunzip);
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| 37 | archive_handle->offset = 0;
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| 38 | while (get_header_tar(archive_handle) == EXIT_SUCCESS);
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| 39 |
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| 40 | /* Can only do one file at a time */
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| 41 | return(EXIT_FAILURE);
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| 42 | }
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