510 lines
19 KiB
Diff
510 lines
19 KiB
Diff
From ee72302ac5e3b0b2217f616ab316d3c89e5a1f4c Mon Sep 17 00:00:00 2001
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From: Denys Vlasenko <vda.linux@googlemail.com>
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Date: Sun, 8 Jan 2017 14:14:19 +0100
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Subject: [PATCH] unzip: do not use CDF.extra_len, read local file header.
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Closes 9536
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While at it, shorten many field and variable names.
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function old new delta
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unzip_main 2334 2376 +42
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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---
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archival/unzip.c | 236 ++++++++++++++++++++++++++------------------------
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testsuite/unzip.tests | 4 +-
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2 files changed, 125 insertions(+), 115 deletions(-)
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diff --git a/archival/unzip.c b/archival/unzip.c
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index 98a71c09d..921493591 100644
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--- a/archival/unzip.c
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+++ b/archival/unzip.c
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@@ -62,8 +62,8 @@
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enum {
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#if BB_BIG_ENDIAN
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ZIP_FILEHEADER_MAGIC = 0x504b0304,
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- ZIP_CDF_MAGIC = 0x504b0102, /* central directory's file header */
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- ZIP_CDE_MAGIC = 0x504b0506, /* "end of central directory" record */
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+ ZIP_CDF_MAGIC = 0x504b0102, /* CDF item */
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+ ZIP_CDE_MAGIC = 0x504b0506, /* End of CDF */
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ZIP_DD_MAGIC = 0x504b0708,
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#else
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ZIP_FILEHEADER_MAGIC = 0x04034b50,
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@@ -91,16 +91,16 @@ typedef union {
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/* filename follows (not NUL terminated) */
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/* extra field follows */
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/* data follows */
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- } formatted PACKED;
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+ } fmt PACKED;
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} zip_header_t; /* PACKED - gcc 4.2.1 doesn't like it (spews warning) */
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-#define FIX_ENDIANNESS_ZIP(zip_header) \
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+#define FIX_ENDIANNESS_ZIP(zip) \
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do { if (BB_BIG_ENDIAN) { \
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- (zip_header).formatted.crc32 = SWAP_LE32((zip_header).formatted.crc32 ); \
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- (zip_header).formatted.cmpsize = SWAP_LE32((zip_header).formatted.cmpsize ); \
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- (zip_header).formatted.ucmpsize = SWAP_LE32((zip_header).formatted.ucmpsize ); \
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- (zip_header).formatted.filename_len = SWAP_LE16((zip_header).formatted.filename_len); \
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- (zip_header).formatted.extra_len = SWAP_LE16((zip_header).formatted.extra_len ); \
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+ (zip).fmt.crc32 = SWAP_LE32((zip).fmt.crc32 ); \
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+ (zip).fmt.cmpsize = SWAP_LE32((zip).fmt.cmpsize ); \
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+ (zip).fmt.ucmpsize = SWAP_LE32((zip).fmt.ucmpsize ); \
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+ (zip).fmt.filename_len = SWAP_LE16((zip).fmt.filename_len); \
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+ (zip).fmt.extra_len = SWAP_LE16((zip).fmt.extra_len ); \
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}} while (0)
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#define CDF_HEADER_LEN 42
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@@ -118,39 +118,39 @@ typedef union {
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uint32_t crc32; /* 12-15 */
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uint32_t cmpsize; /* 16-19 */
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uint32_t ucmpsize; /* 20-23 */
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- uint16_t file_name_length; /* 24-25 */
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- uint16_t extra_field_length; /* 26-27 */
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+ uint16_t filename_len; /* 24-25 */
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+ uint16_t extra_len; /* 26-27 */
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uint16_t file_comment_length; /* 28-29 */
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uint16_t disk_number_start; /* 30-31 */
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- uint16_t internal_file_attributes; /* 32-33 */
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- uint32_t external_file_attributes PACKED; /* 34-37 */
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+ uint16_t internal_attributes; /* 32-33 */
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+ uint32_t external_attributes PACKED; /* 34-37 */
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uint32_t relative_offset_of_local_header PACKED; /* 38-41 */
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/* filename follows (not NUL terminated) */
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/* extra field follows */
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- /* comment follows */
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- } formatted PACKED;
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+ /* file comment follows */
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+ } fmt PACKED;
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} cdf_header_t;
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-#define FIX_ENDIANNESS_CDF(cdf_header) \
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+#define FIX_ENDIANNESS_CDF(cdf) \
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do { if (BB_BIG_ENDIAN) { \
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- (cdf_header).formatted.version_made_by = SWAP_LE16((cdf_header).formatted.version_made_by); \
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- (cdf_header).formatted.version_needed = SWAP_LE16((cdf_header).formatted.version_needed); \
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- (cdf_header).formatted.method = SWAP_LE16((cdf_header).formatted.method ); \
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- (cdf_header).formatted.modtime = SWAP_LE16((cdf_header).formatted.modtime ); \
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- (cdf_header).formatted.moddate = SWAP_LE16((cdf_header).formatted.moddate ); \
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- (cdf_header).formatted.crc32 = SWAP_LE32((cdf_header).formatted.crc32 ); \
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- (cdf_header).formatted.cmpsize = SWAP_LE32((cdf_header).formatted.cmpsize ); \
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- (cdf_header).formatted.ucmpsize = SWAP_LE32((cdf_header).formatted.ucmpsize ); \
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- (cdf_header).formatted.file_name_length = SWAP_LE16((cdf_header).formatted.file_name_length); \
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- (cdf_header).formatted.extra_field_length = SWAP_LE16((cdf_header).formatted.extra_field_length); \
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- (cdf_header).formatted.file_comment_length = SWAP_LE16((cdf_header).formatted.file_comment_length); \
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- (cdf_header).formatted.external_file_attributes = SWAP_LE32((cdf_header).formatted.external_file_attributes); \
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+ (cdf).fmt.version_made_by = SWAP_LE16((cdf).fmt.version_made_by); \
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+ (cdf).fmt.version_needed = SWAP_LE16((cdf).fmt.version_needed); \
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+ (cdf).fmt.method = SWAP_LE16((cdf).fmt.method ); \
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+ (cdf).fmt.modtime = SWAP_LE16((cdf).fmt.modtime ); \
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+ (cdf).fmt.moddate = SWAP_LE16((cdf).fmt.moddate ); \
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+ (cdf).fmt.crc32 = SWAP_LE32((cdf).fmt.crc32 ); \
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+ (cdf).fmt.cmpsize = SWAP_LE32((cdf).fmt.cmpsize ); \
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+ (cdf).fmt.ucmpsize = SWAP_LE32((cdf).fmt.ucmpsize ); \
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+ (cdf).fmt.filename_len = SWAP_LE16((cdf).fmt.filename_len); \
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+ (cdf).fmt.extra_len = SWAP_LE16((cdf).fmt.extra_len ); \
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+ (cdf).fmt.file_comment_length = SWAP_LE16((cdf).fmt.file_comment_length); \
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+ (cdf).fmt.external_attributes = SWAP_LE32((cdf).fmt.external_attributes); \
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}} while (0)
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-#define CDE_HEADER_LEN 16
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+#define CDE_LEN 16
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typedef union {
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- uint8_t raw[CDE_HEADER_LEN];
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+ uint8_t raw[CDE_LEN];
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struct {
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/* uint32_t signature; 50 4b 05 06 */
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uint16_t this_disk_no;
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@@ -159,14 +159,14 @@ typedef union {
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uint16_t cdf_entries_total;
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uint32_t cdf_size;
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uint32_t cdf_offset;
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- /* uint16_t file_comment_length; */
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- /* .ZIP file comment (variable size) */
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- } formatted PACKED;
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-} cde_header_t;
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+ /* uint16_t archive_comment_length; */
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+ /* archive comment follows */
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+ } fmt PACKED;
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+} cde_t;
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-#define FIX_ENDIANNESS_CDE(cde_header) \
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+#define FIX_ENDIANNESS_CDE(cde) \
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do { if (BB_BIG_ENDIAN) { \
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- (cde_header).formatted.cdf_offset = SWAP_LE32((cde_header).formatted.cdf_offset); \
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+ (cde).fmt.cdf_offset = SWAP_LE32((cde).fmt.cdf_offset); \
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}} while (0)
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struct BUG {
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@@ -175,13 +175,13 @@ struct BUG {
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* even though the elements are all in the right place.
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*/
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char BUG_zip_header_must_be_26_bytes[
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- offsetof(zip_header_t, formatted.extra_len) + 2
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+ offsetof(zip_header_t, fmt.extra_len) + 2
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== ZIP_HEADER_LEN ? 1 : -1];
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char BUG_cdf_header_must_be_42_bytes[
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- offsetof(cdf_header_t, formatted.relative_offset_of_local_header) + 4
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+ offsetof(cdf_header_t, fmt.relative_offset_of_local_header) + 4
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== CDF_HEADER_LEN ? 1 : -1];
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- char BUG_cde_header_must_be_16_bytes[
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- sizeof(cde_header_t) == CDE_HEADER_LEN ? 1 : -1];
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+ char BUG_cde_must_be_16_bytes[
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+ sizeof(cde_t) == CDE_LEN ? 1 : -1];
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};
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@@ -207,7 +207,7 @@ enum { zip_fd = 3 };
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/* NB: does not preserve file position! */
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static uint32_t find_cdf_offset(void)
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{
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- cde_header_t cde_header;
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+ cde_t cde;
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unsigned char *buf;
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unsigned char *p;
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off_t end;
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@@ -228,7 +228,7 @@ static uint32_t find_cdf_offset(void)
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found = BAD_CDF_OFFSET;
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p = buf;
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- while (p <= buf + PEEK_FROM_END - CDE_HEADER_LEN - 4) {
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+ while (p <= buf + PEEK_FROM_END - CDE_LEN - 4) {
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if (*p != 'P') {
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p++;
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continue;
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@@ -240,19 +240,19 @@ static uint32_t find_cdf_offset(void)
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if (*++p != 6)
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continue;
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/* we found CDE! */
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- memcpy(cde_header.raw, p + 1, CDE_HEADER_LEN);
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- FIX_ENDIANNESS_CDE(cde_header);
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+ memcpy(cde.raw, p + 1, CDE_LEN);
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+ FIX_ENDIANNESS_CDE(cde);
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/*
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* I've seen .ZIP files with seemingly valid CDEs
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* where cdf_offset points past EOF - ??
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* This check ignores such CDEs:
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*/
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- if (cde_header.formatted.cdf_offset < end + (p - buf)) {
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- found = cde_header.formatted.cdf_offset;
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+ if (cde.fmt.cdf_offset < end + (p - buf)) {
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+ found = cde.fmt.cdf_offset;
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dbg("Possible cdf_offset:0x%x at 0x%"OFF_FMT"x",
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(unsigned)found, end + (p-3 - buf));
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dbg(" cdf_offset+cdf_size:0x%x",
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- (unsigned)(found + SWAP_LE32(cde_header.formatted.cdf_size)));
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+ (unsigned)(found + SWAP_LE32(cde.fmt.cdf_size)));
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/*
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* We do not "break" here because only the last CDE is valid.
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* I've seen a .zip archive which contained a .zip file,
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@@ -266,7 +266,7 @@ static uint32_t find_cdf_offset(void)
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return found;
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};
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-static uint32_t read_next_cdf(uint32_t cdf_offset, cdf_header_t *cdf_ptr)
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+static uint32_t read_next_cdf(uint32_t cdf_offset, cdf_header_t *cdf)
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{
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uint32_t magic;
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@@ -276,23 +276,25 @@ static uint32_t read_next_cdf(uint32_t cdf_offset, cdf_header_t *cdf_ptr)
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dbg("Reading CDF at 0x%x", (unsigned)cdf_offset);
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xlseek(zip_fd, cdf_offset, SEEK_SET);
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xread(zip_fd, &magic, 4);
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- /* Central Directory End? */
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+ /* Central Directory End? Assume CDF has ended.
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+ * (more correct method is to use cde.cdf_entries_total counter)
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+ */
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if (magic == ZIP_CDE_MAGIC) {
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dbg("got ZIP_CDE_MAGIC");
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return 0; /* EOF */
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}
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- xread(zip_fd, cdf_ptr->raw, CDF_HEADER_LEN);
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+ xread(zip_fd, cdf->raw, CDF_HEADER_LEN);
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- FIX_ENDIANNESS_CDF(*cdf_ptr);
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- dbg(" file_name_length:%u extra_field_length:%u file_comment_length:%u",
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- (unsigned)cdf_ptr->formatted.file_name_length,
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- (unsigned)cdf_ptr->formatted.extra_field_length,
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- (unsigned)cdf_ptr->formatted.file_comment_length
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+ FIX_ENDIANNESS_CDF(*cdf);
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+ dbg(" filename_len:%u extra_len:%u file_comment_length:%u",
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+ (unsigned)cdf->fmt.filename_len,
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+ (unsigned)cdf->fmt.extra_len,
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+ (unsigned)cdf->fmt.file_comment_length
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);
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cdf_offset += 4 + CDF_HEADER_LEN
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- + cdf_ptr->formatted.file_name_length
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- + cdf_ptr->formatted.extra_field_length
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- + cdf_ptr->formatted.file_comment_length;
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+ + cdf->fmt.filename_len
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+ + cdf->fmt.extra_len
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+ + cdf->fmt.file_comment_length;
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return cdf_offset;
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};
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@@ -315,28 +317,28 @@ static void unzip_create_leading_dirs(const char *fn)
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free(name);
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}
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-static void unzip_extract(zip_header_t *zip_header, int dst_fd)
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+static void unzip_extract(zip_header_t *zip, int dst_fd)
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{
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- if (zip_header->formatted.method == 0) {
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+ if (zip->fmt.method == 0) {
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/* Method 0 - stored (not compressed) */
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- off_t size = zip_header->formatted.ucmpsize;
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+ off_t size = zip->fmt.ucmpsize;
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if (size)
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bb_copyfd_exact_size(zip_fd, dst_fd, size);
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} else {
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/* Method 8 - inflate */
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transformer_state_t xstate;
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init_transformer_state(&xstate);
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- xstate.bytes_in = zip_header->formatted.cmpsize;
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+ xstate.bytes_in = zip->fmt.cmpsize;
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xstate.src_fd = zip_fd;
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xstate.dst_fd = dst_fd;
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if (inflate_unzip(&xstate) < 0)
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bb_error_msg_and_die("inflate error");
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/* Validate decompression - crc */
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- if (zip_header->formatted.crc32 != (xstate.crc32 ^ 0xffffffffL)) {
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+ if (zip->fmt.crc32 != (xstate.crc32 ^ 0xffffffffL)) {
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bb_error_msg_and_die("crc error");
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}
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/* Validate decompression - size */
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- if (zip_header->formatted.ucmpsize != xstate.bytes_out) {
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+ if (zip->fmt.ucmpsize != xstate.bytes_out) {
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/* Don't die. Who knows, maybe len calculation
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* was botched somewhere. After all, crc matched! */
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bb_error_msg("bad length");
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@@ -563,7 +565,7 @@ int unzip_main(int argc, char **argv)
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total_entries = 0;
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cdf_offset = find_cdf_offset(); /* try to seek to the end, find CDE and CDF start */
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while (1) {
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- zip_header_t zip_header;
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+ zip_header_t zip;
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mode_t dir_mode = 0777;
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#if ENABLE_FEATURE_UNZIP_CDF
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mode_t file_mode = 0666;
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@@ -589,7 +591,7 @@ int unzip_main(int argc, char **argv)
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/* Check magic number */
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xread(zip_fd, &magic, 4);
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- /* Central directory? It's at the end, so exit */
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+ /* CDF item? Assume there are no more files, exit */
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if (magic == ZIP_CDF_MAGIC) {
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dbg("got ZIP_CDF_MAGIC");
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break;
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@@ -605,71 +607,74 @@ int unzip_main(int argc, char **argv)
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bb_error_msg_and_die("invalid zip magic %08X", (int)magic);
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dbg("got ZIP_FILEHEADER_MAGIC");
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- xread(zip_fd, zip_header.raw, ZIP_HEADER_LEN);
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- FIX_ENDIANNESS_ZIP(zip_header);
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- if ((zip_header.formatted.method != 0)
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- && (zip_header.formatted.method != 8)
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+ xread(zip_fd, zip.raw, ZIP_HEADER_LEN);
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+ FIX_ENDIANNESS_ZIP(zip);
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+ if ((zip.fmt.method != 0)
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+ && (zip.fmt.method != 8)
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) {
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/* TODO? method 12: bzip2, method 14: LZMA */
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- bb_error_msg_and_die("unsupported method %d", zip_header.formatted.method);
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+ bb_error_msg_and_die("unsupported method %d", zip.fmt.method);
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}
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- if (zip_header.formatted.zip_flags & SWAP_LE16(0x0009)) {
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+ if (zip.fmt.zip_flags & SWAP_LE16(0x0009)) {
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bb_error_msg_and_die("zip flags 1 and 8 are not supported");
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}
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}
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#if ENABLE_FEATURE_UNZIP_CDF
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else {
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/* cdf_offset is valid (and we know the file is seekable) */
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- cdf_header_t cdf_header;
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- cdf_offset = read_next_cdf(cdf_offset, &cdf_header);
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+ cdf_header_t cdf;
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+ cdf_offset = read_next_cdf(cdf_offset, &cdf);
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if (cdf_offset == 0) /* EOF? */
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break;
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-# if 0
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+# if 1
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xlseek(zip_fd,
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- SWAP_LE32(cdf_header.formatted.relative_offset_of_local_header) + 4,
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+ SWAP_LE32(cdf.fmt.relative_offset_of_local_header) + 4,
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SEEK_SET);
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- xread(zip_fd, zip_header.raw, ZIP_HEADER_LEN);
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- FIX_ENDIANNESS_ZIP(zip_header);
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- if (zip_header.formatted.zip_flags & SWAP_LE16(0x0008)) {
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+ xread(zip_fd, zip.raw, ZIP_HEADER_LEN);
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+ FIX_ENDIANNESS_ZIP(zip);
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+ if (zip.fmt.zip_flags & SWAP_LE16(0x0008)) {
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/* 0x0008 - streaming. [u]cmpsize can be reliably gotten
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* only from Central Directory.
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*/
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- zip_header.formatted.crc32 = cdf_header.formatted.crc32;
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- zip_header.formatted.cmpsize = cdf_header.formatted.cmpsize;
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- zip_header.formatted.ucmpsize = cdf_header.formatted.ucmpsize;
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+ zip.fmt.crc32 = cdf.fmt.crc32;
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+ zip.fmt.cmpsize = cdf.fmt.cmpsize;
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+ zip.fmt.ucmpsize = cdf.fmt.ucmpsize;
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}
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# else
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- /* CDF has the same data as local header, no need to read the latter */
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- memcpy(&zip_header.formatted.version,
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- &cdf_header.formatted.version_needed, ZIP_HEADER_LEN);
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+ /* CDF has the same data as local header, no need to read the latter...
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+ * ...not really. An archive was seen with cdf.extra_len == 6 but
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+ * zip.extra_len == 0.
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+ */
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+ memcpy(&zip.fmt.version,
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+ &cdf.fmt.version_needed, ZIP_HEADER_LEN);
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xlseek(zip_fd,
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- SWAP_LE32(cdf_header.formatted.relative_offset_of_local_header) + 4 + ZIP_HEADER_LEN,
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+ SWAP_LE32(cdf.fmt.relative_offset_of_local_header) + 4 + ZIP_HEADER_LEN,
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SEEK_SET);
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# endif
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- if ((cdf_header.formatted.version_made_by >> 8) == 3) {
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+ if ((cdf.fmt.version_made_by >> 8) == 3) {
|
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/* This archive is created on Unix */
|
||
- dir_mode = file_mode = (cdf_header.formatted.external_file_attributes >> 16);
|
||
+ dir_mode = file_mode = (cdf.fmt.external_attributes >> 16);
|
||
}
|
||
}
|
||
#endif
|
||
|
||
- if (zip_header.formatted.zip_flags & SWAP_LE16(0x0001)) {
|
||
+ if (zip.fmt.zip_flags & SWAP_LE16(0x0001)) {
|
||
/* 0x0001 - encrypted */
|
||
bb_error_msg_and_die("zip flag 1 (encryption) is not supported");
|
||
}
|
||
dbg("File cmpsize:0x%x extra_len:0x%x ucmpsize:0x%x",
|
||
- (unsigned)zip_header.formatted.cmpsize,
|
||
- (unsigned)zip_header.formatted.extra_len,
|
||
- (unsigned)zip_header.formatted.ucmpsize
|
||
+ (unsigned)zip.fmt.cmpsize,
|
||
+ (unsigned)zip.fmt.extra_len,
|
||
+ (unsigned)zip.fmt.ucmpsize
|
||
);
|
||
|
||
/* Read filename */
|
||
free(dst_fn);
|
||
- dst_fn = xzalloc(zip_header.formatted.filename_len + 1);
|
||
- xread(zip_fd, dst_fn, zip_header.formatted.filename_len);
|
||
+ dst_fn = xzalloc(zip.fmt.filename_len + 1);
|
||
+ xread(zip_fd, dst_fn, zip.fmt.filename_len);
|
||
|
||
/* Skip extra header bytes */
|
||
- unzip_skip(zip_header.formatted.extra_len);
|
||
+ unzip_skip(zip.fmt.extra_len);
|
||
|
||
/* Guard against "/abspath", "/../" and similar attacks */
|
||
overlapping_strcpy(dst_fn, strip_unsafe_prefix(dst_fn));
|
||
@@ -684,32 +689,32 @@ int unzip_main(int argc, char **argv)
|
||
/* List entry */
|
||
char dtbuf[sizeof("mm-dd-yyyy hh:mm")];
|
||
sprintf(dtbuf, "%02u-%02u-%04u %02u:%02u",
|
||
- (zip_header.formatted.moddate >> 5) & 0xf, // mm: 0x01e0
|
||
- (zip_header.formatted.moddate) & 0x1f, // dd: 0x001f
|
||
- (zip_header.formatted.moddate >> 9) + 1980, // yy: 0xfe00
|
||
- (zip_header.formatted.modtime >> 11), // hh: 0xf800
|
||
- (zip_header.formatted.modtime >> 5) & 0x3f // mm: 0x07e0
|
||
- // seconds/2 are not shown, encoded in ----------- 0x001f
|
||
+ (zip.fmt.moddate >> 5) & 0xf, // mm: 0x01e0
|
||
+ (zip.fmt.moddate) & 0x1f, // dd: 0x001f
|
||
+ (zip.fmt.moddate >> 9) + 1980, // yy: 0xfe00
|
||
+ (zip.fmt.modtime >> 11), // hh: 0xf800
|
||
+ (zip.fmt.modtime >> 5) & 0x3f // mm: 0x07e0
|
||
+ // seconds/2 not shown, encoded in -- 0x001f
|
||
);
|
||
if (!verbose) {
|
||
// " Length Date Time Name\n"
|
||
// "--------- ---------- ----- ----"
|
||
printf( "%9u " "%s " "%s\n",
|
||
- (unsigned)zip_header.formatted.ucmpsize,
|
||
+ (unsigned)zip.fmt.ucmpsize,
|
||
dtbuf,
|
||
dst_fn);
|
||
} else {
|
||
- unsigned long percents = zip_header.formatted.ucmpsize - zip_header.formatted.cmpsize;
|
||
+ unsigned long percents = zip.fmt.ucmpsize - zip.fmt.cmpsize;
|
||
if ((int32_t)percents < 0)
|
||
percents = 0; /* happens if ucmpsize < cmpsize */
|
||
percents = percents * 100;
|
||
- if (zip_header.formatted.ucmpsize)
|
||
- percents /= zip_header.formatted.ucmpsize;
|
||
+ if (zip.fmt.ucmpsize)
|
||
+ percents /= zip.fmt.ucmpsize;
|
||
// " Length Method Size Cmpr Date Time CRC-32 Name\n"
|
||
// "-------- ------ ------- ---- ---------- ----- -------- ----"
|
||
printf( "%8u %s" "%9u%4u%% " "%s " "%08x " "%s\n",
|
||
- (unsigned)zip_header.formatted.ucmpsize,
|
||
- zip_header.formatted.method == 0 ? "Stored" : "Defl:N", /* Defl is method 8 */
|
||
+ (unsigned)zip.fmt.ucmpsize,
|
||
+ zip.fmt.method == 0 ? "Stored" : "Defl:N", /* Defl is method 8 */
|
||
/* TODO: show other methods?
|
||
* 1 - Shrunk
|
||
* 2 - Reduced with compression factor 1
|
||
@@ -722,15 +727,16 @@ int unzip_main(int argc, char **argv)
|
||
* 10 - PKWARE Data Compression Library Imploding
|
||
* 11 - Reserved by PKWARE
|
||
* 12 - BZIP2
|
||
+ * 14 - LZMA
|
||
*/
|
||
- (unsigned)zip_header.formatted.cmpsize,
|
||
+ (unsigned)zip.fmt.cmpsize,
|
||
(unsigned)percents,
|
||
dtbuf,
|
||
- zip_header.formatted.crc32,
|
||
+ zip.fmt.crc32,
|
||
dst_fn);
|
||
- total_size += zip_header.formatted.cmpsize;
|
||
+ total_size += zip.fmt.cmpsize;
|
||
}
|
||
- total_usize += zip_header.formatted.ucmpsize;
|
||
+ total_usize += zip.fmt.ucmpsize;
|
||
i = 'n';
|
||
} else if (dst_fd == STDOUT_FILENO) {
|
||
/* Extracting to STDOUT */
|
||
@@ -798,9 +804,11 @@ int unzip_main(int argc, char **argv)
|
||
#endif
|
||
case -1: /* Unzip */
|
||
if (!quiet) {
|
||
- printf(" inflating: %s\n", dst_fn);
|
||
+ printf(/* zip.fmt.method == 0
|
||
+ ? " extracting: %s\n"
|
||
+ : */ " inflating: %s\n", dst_fn);
|
||
}
|
||
- unzip_extract(&zip_header, dst_fd);
|
||
+ unzip_extract(&zip, dst_fd);
|
||
if (dst_fd != STDOUT_FILENO) {
|
||
/* closing STDOUT is potentially bad for future business */
|
||
close(dst_fd);
|
||
@@ -811,7 +819,7 @@ int unzip_main(int argc, char **argv)
|
||
overwrite = O_NEVER;
|
||
case 'n':
|
||
/* Skip entry data */
|
||
- unzip_skip(zip_header.formatted.cmpsize);
|
||
+ unzip_skip(zip.fmt.cmpsize);
|
||
break;
|
||
|
||
case 'r':
|
||
diff --git a/testsuite/unzip.tests b/testsuite/unzip.tests
|
||
index d9c45242c..2e4becdb8 100755
|
||
--- a/testsuite/unzip.tests
|
||
+++ b/testsuite/unzip.tests
|
||
@@ -34,7 +34,9 @@ rm foo.zip
|
||
optional FEATURE_UNZIP_CDF
|
||
testing "unzip (bad archive)" "uudecode; unzip bad.zip 2>&1; echo \$?" \
|
||
"Archive: bad.zip
|
||
-unzip: short read
|
||
+ inflating: ]3j½r«IK-%Ix
|
||
+unzip: corrupted data
|
||
+unzip: inflate error
|
||
1
|
||
" \
|
||
"" "\
|
||
--
|
||
2.11.0
|
||
|