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tar: postpone creation of symlinks with "suspicious" targets. Closes 8411

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function                                             old     new   delta
data_extract_all                                     968    1038     +70
tar_main                                             952     986     +34
scan_tree                                            258     262      +4
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(add/remove: 0/0 grow/shrink: 3/0 up/down: 108/0)             Total: 108 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2017-07-24 17:20:13 +02:00
parent c810978552
commit b920a38dc0
6 changed files with 130 additions and 36 deletions
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4
include/bb_archive.h
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@ -64,6 +64,9 @@ typedef struct archive_handle_t {
/* Currently processed file's header */
file_header_t *file_header;
/* List of symlink placeholders */
llist_t *symlink_placeholders;
/* Process the header component, e.g. tar -t */
void FAST_FUNC (*action_header)(const file_header_t *);
@ -188,6 +191,7 @@ char get_header_ar(archive_handle_t *archive_handle) FAST_FUNC;
char get_header_cpio(archive_handle_t *archive_handle) FAST_FUNC;
char get_header_tar(archive_handle_t *archive_handle) FAST_FUNC;
char get_header_tar_gz(archive_handle_t *archive_handle) FAST_FUNC;
char get_header_tar_xz(archive_handle_t *archive_handle) FAST_FUNC;
char get_header_tar_bz2(archive_handle_t *archive_handle) FAST_FUNC;
char get_header_tar_lzma(archive_handle_t *archive_handle) FAST_FUNC;
char get_header_tar_xz(archive_handle_t *archive_handle) FAST_FUNC;