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unzip: moved from core

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This commit is contained in:
Fredrik Rinnestam 2015-08-04 12:32:48 +02:00
parent 50feb31dcd
commit 26b587855f
8 changed files with 328 additions and 0 deletions
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15
unzip/.footprint Normal file
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drwxr-xr-x root/root usr/
drwxr-xr-x root/root usr/bin/
-rwxr-xr-x root/root usr/bin/funzip
-rwxr-xr-x root/root usr/bin/unzip
-rwxr-xr-x root/root usr/bin/unzipsfx
-rwxr-xr-x root/root usr/bin/zipgrep
lrwxrwxrwx root/root usr/bin/zipinfo -> unzip
drwxr-xr-x root/root usr/share/
drwxr-xr-x root/root usr/share/man/
drwxr-xr-x root/root usr/share/man/man1/
-rw-r--r-- root/root usr/share/man/man1/funzip.1.gz
-rw-r--r-- root/root usr/share/man/man1/unzip.1.gz
-rw-r--r-- root/root usr/share/man/man1/unzipsfx.1.gz
-rw-r--r-- root/root usr/share/man/man1/zipgrep.1.gz
-rw-r--r-- root/root usr/share/man/man1/zipinfo.1.gz

6
unzip/.md5sum Normal file
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19341ef8810558e0cb4e3fe25b3eff70 unzip-6.0-attribs-overflow.patch
cf3e3a98ff85d784c5d3843758645874 unzip-6.0-cve-2014-8139.patch
4f6a01093e9a05fe0d2916170d961e29 unzip-6.0-cve-2014-8140.patch
2a05a5d2f21511c5e393b62e4044e913 unzip-6.0-cve-2014-8141.patch
40ae64ba09670480195539bcdf92c0ef unzip-6.0-overflow.patch
62b490407489521db863b523a7f86375 unzip60.tar.gz

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unzip/Pkgfile Normal file
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# Description: Decompress utility for zipfiles
# URL: http://infozip.sourceforge.net/UnZip.html
# Maintainer: CRUX System Team, core-ports at crux dot nu
name=unzip
version=6.0
release=6
source=(http://downloads.sourceforge.net/sourceforge/infozip/${name}${version//./}.tar.gz \
unzip-6.0-overflow.patch unzip-6.0-attribs-overflow.patch \
unzip-6.0-cve-2014-8139.patch \
unzip-6.0-cve-2014-8140.patch \
unzip-6.0-cve-2014-8141.patch)
build() {
cd ${name}${version//./}
patch -p1 -i $SRC/unzip-6.0-overflow.patch
patch -p1 -i $SRC/unzip-6.0-attribs-overflow.patch
patch -p1 -i $SRC/unzip-6.0-cve-2014-8139.patch
patch -p1 -i $SRC/unzip-6.0-cve-2014-8140.patch
patch -p1 -i $SRC/unzip-6.0-cve-2014-8141.patch
sed -i 's/-O3//' unix/configure
make -f unix/Makefile LOCAL_UNZIP="$CFLAGS" generic
make -f unix/Makefile prefix=$PKG/usr MANDIR=$PKG/usr/share/man/man1 install
ln -sf unzip $PKG/usr/bin/zipinfo
}

12
unzip/unzip-6.0-attribs-overflow.patch Normal file
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diff -up unzip60/zipinfo.c.attribs-overflow unzip60/zipinfo.c
--- unzip60/zipinfo.c.attribs-overflow 2009-11-30 09:55:39.000000000 +0100
+++ unzip60/zipinfo.c 2009-11-30 09:56:42.844263244 +0100
@@ -1881,7 +1881,7 @@ static int zi_short(__G) /* return PK-
#endif
int k, error, error_in_archive=PK_COOL;
unsigned hostnum, hostver, methid, methnum, xattr;
- char *p, workspace[12], attribs[16];
+ char *p, workspace[12], attribs[17];
char methbuf[5];
static ZCONST char dtype[5]="NXFS"; /* normal, maximum, fast, superfast */
static ZCONST char Far os[NUM_HOSTS+1][4] = {

79
unzip/unzip-6.0-cve-2014-8139.patch Normal file
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diff --git a/extract.c b/extract.c
index 9ef80b3..c741b5f 100644
--- a/extract.c
+++ b/extract.c
@@ -1,5 +1,5 @@
/*
- Copyright (c) 1990-2009 Info-ZIP. All rights reserved.
+ Copyright (c) 1990-2014 Info-ZIP. All rights reserved.
See the accompanying file LICENSE, version 2009-Jan-02 or later
(the contents of which are also included in unzip.h) for terms of use.
@@ -298,6 +298,8 @@ char ZCONST Far TruncNTSD[] =
#ifndef SFX
static ZCONST char Far InconsistEFlength[] = "bad extra-field entry:\n \
EF block length (%u bytes) exceeds remaining EF data (%u bytes)\n";
+ static ZCONST char Far TooSmallEBlength[] = "bad extra-field entry:\n \
+ EF block length (%u bytes) invalid (< %d)\n";
static ZCONST char Far InvalidComprDataEAs[] =
" invalid compressed data for EAs\n";
# if (defined(WIN32) && defined(NTSD_EAS))
@@ -2020,7 +2022,8 @@ static int TestExtraField(__G__ ef, ef_len)
ebID = makeword(ef);
ebLen = (unsigned)makeword(ef+EB_LEN);
- if (ebLen > (ef_len - EB_HEADSIZE)) {
+ if (ebLen > (ef_len - EB_HEADSIZE))
+ {
/* Discovered some extra field inconsistency! */
if (uO.qflag)
Info(slide, 1, ((char *)slide, "%-22s ",
@@ -2155,11 +2158,29 @@ static int TestExtraField(__G__ ef, ef_len)
}
break;
case EF_PKVMS:
- if (makelong(ef+EB_HEADSIZE) !=
- crc32(CRCVAL_INITIAL, ef+(EB_HEADSIZE+4),
- (extent)(ebLen-4)))
- Info(slide, 1, ((char *)slide,
- LoadFarString(BadCRC_EAs)));
+ /* 2015-01-30 SMS. Added sufficient-bytes test/message
+ * here. (Removed defective ebLen test above.)
+ *
+ * If sufficient bytes (EB_PKVMS_MINLEN) are available,
+ * then compare the stored CRC value with the calculated
+ * CRC for the remainder of the data (and complain about
+ * a mismatch).
+ */
+ if (ebLen < EB_PKVMS_MINLEN)
+ {
+ /* Insufficient bytes available. */
+ Info( slide, 1,
+ ((char *)slide, LoadFarString( TooSmallEBlength),
+ ebLen, EB_PKVMS_MINLEN));
+ }
+ else if (makelong(ef+ EB_HEADSIZE) !=
+ crc32(CRCVAL_INITIAL,
+ (ef+ EB_HEADSIZE+ EB_PKVMS_MINLEN),
+ (extent)(ebLen- EB_PKVMS_MINLEN)))
+ {
+ Info(slide, 1, ((char *)slide,
+ LoadFarString(BadCRC_EAs)));
+ }
break;
case EF_PKW32:
case EF_PKUNIX:
diff --git a/unzpriv.h b/unzpriv.h
index 005cee0..5c83a6e 100644
--- a/unzpriv.h
+++ b/unzpriv.h
@@ -1806,6 +1806,8 @@
#define EB_NTSD_VERSION 4 /* offset of NTSD version byte */
#define EB_NTSD_MAX_VER (0) /* maximum version # we know how to handle */
+#define EB_PKVMS_MINLEN 4 /* minimum data length of PKVMS extra block */
+
#define EB_ASI_CRC32 0 /* offset of ASI Unix field's crc32 checksum */
#define EB_ASI_MODE 4 /* offset of ASI Unix permission mode field */

25
unzip/unzip-6.0-cve-2014-8140.patch Normal file
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diff --git a/extract.c b/extract.c
index c741b5f..e4a4c7b 100644
--- a/extract.c
+++ b/extract.c
@@ -2240,10 +2240,17 @@ static int test_compr_eb(__G__ eb, eb_size, compr_offset, test_uc_ebdata)
if (compr_offset < 4) /* field is not compressed: */
return PK_OK; /* do nothing and signal OK */
+ /* Return no/bad-data error status if any problem is found:
+ * 1. eb_size is too small to hold the uncompressed size
+ * (eb_ucsize). (Else extract eb_ucsize.)
+ * 2. eb_ucsize is zero (invalid). 2014-12-04 SMS.
+ * 3. eb_ucsize is positive, but eb_size is too small to hold
+ * the compressed data header.
+ */
if ((eb_size < (EB_UCSIZE_P + 4)) ||
- ((eb_ucsize = makelong(eb+(EB_HEADSIZE+EB_UCSIZE_P))) > 0L &&
- eb_size <= (compr_offset + EB_CMPRHEADLEN)))
- return IZ_EF_TRUNC; /* no compressed data! */
+ ((eb_ucsize = makelong( eb+ (EB_HEADSIZE+ EB_UCSIZE_P))) == 0L) ||
+ ((eb_ucsize > 0L) && (eb_size <= (compr_offset + EB_CMPRHEADLEN))))
+ return IZ_EF_TRUNC; /* no/bad compressed data! */
method = makeword(eb + (EB_HEADSIZE + compr_offset));
if ((method == STORED) && (eb_size != compr_offset + EB_CMPRHEADLEN + eb_ucsize))

138
unzip/unzip-6.0-cve-2014-8141.patch Normal file
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diff --git a/fileio.c b/fileio.c
index 03fc4be..2a61a30 100644
--- a/fileio.c
+++ b/fileio.c
@@ -176,6 +176,8 @@ static ZCONST char Far FilenameTooLongTrunc[] =
#endif
static ZCONST char Far ExtraFieldTooLong[] =
"warning: extra field too long (%d). Ignoring...\n";
+static ZCONST char Far ExtraFieldCorrupt[] =
+ "warning: extra field (type: 0x%04x) corrupt. Continuing...\n";
#ifdef WINDLL
static ZCONST char Far DiskFullQuery[] =
@@ -2300,7 +2302,13 @@ int do_string(__G__ length, option) /* return PK-type error code */
length = length2;
}
/* Looks like here is where extra fields are read */
- getZip64Data(__G__ G.extra_field, length);
+ if (getZip64Data(__G__ G.extra_field, length) != PK_COOL)
+ {
+ Info(slide, 0x401, ((char *)slide,
+ LoadFarString( ExtraFieldCorrupt), EF_PKSZ64));
+ error = PK_WARN;
+ }
+
#ifdef UNICODE_SUPPORT
G.unipath_filename = NULL;
if (G.UzO.U_flag < 2) {
diff --git a/process.c b/process.c
index be6e006..0d57ab4 100644
--- a/process.c
+++ b/process.c
@@ -1,5 +1,5 @@
/*
- Copyright (c) 1990-2009 Info-ZIP. All rights reserved.
+ Copyright (c) 1990-2014 Info-ZIP. All rights reserved.
See the accompanying file LICENSE, version 2009-Jan-02 or later
(the contents of which are also included in unzip.h) for terms of use.
@@ -1894,48 +1894,83 @@ int getZip64Data(__G__ ef_buf, ef_len)
and a 4-byte version of disk start number.
Sets both local header and central header fields. Not terribly clever,
but it means that this procedure is only called in one place.
+
+ 2014-12-05 SMS.
+ Added checks to ensure that enough data are available before calling
+ makeint64() or makelong(). Replaced various sizeof() values with
+ simple ("4" or "8") constants. (The Zip64 structures do not depend
+ on our variable sizes.) Error handling is crude, but we should now
+ stay within the buffer.
---------------------------------------------------------------------------*/
+#define Z64FLGS 0xffff
+#define Z64FLGL 0xffffffff
+
if (ef_len == 0 || ef_buf == NULL)
return PK_COOL;
Trace((stderr,"\ngetZip64Data: scanning extra field of length %u\n",
ef_len));
- while (ef_len >= EB_HEADSIZE) {
+ while (ef_len >= EB_HEADSIZE)
+ {
eb_id = makeword(EB_ID + ef_buf);
eb_len = makeword(EB_LEN + ef_buf);
- if (eb_len > (ef_len - EB_HEADSIZE)) {
- /* discovered some extra field inconsistency! */
+ if (eb_len > (ef_len - EB_HEADSIZE))
+ {
+ /* Extra block length exceeds remaining extra field length. */
Trace((stderr,
"getZip64Data: block length %u > rest ef_size %u\n", eb_len,
ef_len - EB_HEADSIZE));
break;
}
- if (eb_id == EF_PKSZ64) {
+ if (eb_id == EF_PKSZ64)
+ {
int offset = EB_HEADSIZE;
- if (G.crec.ucsize == 0xffffffff || G.lrec.ucsize == 0xffffffff){
- G.lrec.ucsize = G.crec.ucsize = makeint64(offset + ef_buf);
- offset += sizeof(G.crec.ucsize);
+ if ((G.crec.ucsize == Z64FLGL) || (G.lrec.ucsize == Z64FLGL))
+ {
+ if (offset+ 8 > ef_len)
+ return PK_ERR;
+
+ G.crec.ucsize = G.lrec.ucsize = makeint64(offset + ef_buf);
+ offset += 8;
}
- if (G.crec.csize == 0xffffffff || G.lrec.csize == 0xffffffff){
- G.csize = G.lrec.csize = G.crec.csize = makeint64(offset + ef_buf);
- offset += sizeof(G.crec.csize);
+
+ if ((G.crec.csize == Z64FLGL) || (G.lrec.csize == Z64FLGL))
+ {
+ if (offset+ 8 > ef_len)
+ return PK_ERR;
+
+ G.csize = G.crec.csize = G.lrec.csize = makeint64(offset + ef_buf);
+ offset += 8;
}
- if (G.crec.relative_offset_local_header == 0xffffffff){
+
+ if (G.crec.relative_offset_local_header == Z64FLGL)
+ {
+ if (offset+ 8 > ef_len)
+ return PK_ERR;
+
G.crec.relative_offset_local_header = makeint64(offset + ef_buf);
- offset += sizeof(G.crec.relative_offset_local_header);
+ offset += 8;
}
- if (G.crec.disk_number_start == 0xffff){
+
+ if (G.crec.disk_number_start == Z64FLGS)
+ {
+ if (offset+ 4 > ef_len)
+ return PK_ERR;
+
G.crec.disk_number_start = (zuvl_t)makelong(offset + ef_buf);
- offset += sizeof(G.crec.disk_number_start);
+ offset += 4;
}
+#if 0
+ break; /* Expect only one EF_PKSZ64 block. */
+#endif /* 0 */
}
- /* Skip this extra field block */
+ /* Skip this extra field block. */
ef_buf += (eb_len + EB_HEADSIZE);
ef_len -= (eb_len + EB_HEADSIZE);
}

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unzip/unzip-6.0-overflow.patch Normal file
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diff --git a/extract.c b/extract.c
index a0a4929..9ef80b3 100644
--- a/extract.c
+++ b/extract.c
@@ -2214,6 +2214,7 @@ static int test_compr_eb(__G__ eb, eb_size, compr_offset, test_uc_ebdata)
ulg eb_ucsize;
uch *eb_ucptr;
int r;
+ ush method;
if (compr_offset < 4) /* field is not compressed: */
return PK_OK; /* do nothing and signal OK */
@@ -2223,6 +2224,12 @@ static int test_compr_eb(__G__ eb, eb_size, compr_offset, test_uc_ebdata)
eb_size <= (compr_offset + EB_CMPRHEADLEN)))
return IZ_EF_TRUNC; /* no compressed data! */
+ method = makeword(eb + (EB_HEADSIZE + compr_offset));
+ if ((method == STORED) && (eb_size - compr_offset != eb_ucsize))
+ return PK_ERR; /* compressed & uncompressed
+ * should match in STORED
+ * method */
+
if (
#ifdef INT_16BIT
(((ulg)(extent)eb_ucsize) != eb_ucsize) ||