From 7cc079a4b2b751e45ef4cc0471df24fc92ad9035 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Tue, 15 Dec 2015 14:59:15 +0000
Subject: [PATCH] main/busybox: add unzip fixes from upstream
---
main/busybox/APKBUILD | 11 +-
.../busybox-1.24.1-unzip-regression.patch | 135 ++++++++++++++++++
main/busybox/busybox-1.24.1-unzip.patch | 110 ++++++++++++++
3 files changed, 255 insertions(+), 1 deletion(-)
create mode 100644 main/busybox/busybox-1.24.1-unzip-regression.patch
create mode 100644 main/busybox/busybox-1.24.1-unzip.patch
diff --git a/main/busybox/APKBUILD b/main/busybox/APKBUILD
index e130024ff16d..131dbc93f736 100644
--- a/main/busybox/APKBUILD
+++ b/main/busybox/APKBUILD
@@ -2,7 +2,7 @@
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=busybox
pkgver=1.24.1
-pkgrel=5
+pkgrel=6
pkgdesc="Size optimized toolbox of many common UNIX utilities"
url=http://busybox.net
arch="all"
@@ -21,6 +21,9 @@ source="http://busybox.net/downloads/$pkgname-$pkgver.tar.bz2
loginutils-sha512.patch
udhcpc-discover-retries.patch
+ busybox-1.24.1-unzip.patch
+ busybox-1.24.1-unzip-regression.patch
+
0001-ifupdown-pass-interface-device-name-for-ipv6-route-c.patch
0001-ifupdown-use-x-hostname-NAME-with-udhcpc.patch
@@ -145,6 +148,8 @@ d64b58a30892c558bdbab7f0d0997577 nologin.c
c5a8dbc8696db6da9c4624b0e11d8fba bb-app-location.patch
8c42c9ef0f0419c314c86bcaf7796106 loginutils-sha512.patch
91a7584a562a72ba886936558e576bbd udhcpc-discover-retries.patch
+b7fef73cb77824525ef08fd8b2571961 busybox-1.24.1-unzip.patch
+023c0e0f9df375715f40792bedec8f4b busybox-1.24.1-unzip-regression.patch
d6f0ecf89f7633753d8998abe7e06e7e 0001-ifupdown-pass-interface-device-name-for-ipv6-route-c.patch
e1c183cbe1ca18a0fa0d9597314076c9 0001-ifupdown-use-x-hostname-NAME-with-udhcpc.patch
69fa40bee9abec058427bf67fde1b61e 0001-diff-add-support-for-no-dereference.patch
@@ -169,6 +174,8 @@ sha256sums="37d03132cc078937360b392170b7a1d0e5b322eee9f57c0b82292a8b1f0afe3d bu
576366b4d50f1078da6c0364ef70415de92d97c93c64f4d790b11d7a34cdccd2 bb-app-location.patch
57674b20158c0b266ed028b0c65299f9cbcad7d33d19c9fcc403d3967daba493 loginutils-sha512.patch
90825a443339f1c8c249d05f7b025ce53e374d305f8e113d98d45146b105494d udhcpc-discover-retries.patch
+dffbce75bfa9fc4a9bb9f74b3ee1e40477037cf9bbbeed60d6cd7a272ef2fb3f busybox-1.24.1-unzip.patch
+be9845c458bd8c671a16abf6ae1161c0a839b20db795ef8d6d4b08f70a9c214a busybox-1.24.1-unzip-regression.patch
666d0e9c5a4b37aca84d88138736012527d97de578f81b719bf913f558823e18 0001-ifupdown-pass-interface-device-name-for-ipv6-route-c.patch
53563c6dc4db13004d0b37f7bf1748e861b5a5c4244c1d34f102c23b689420c5 0001-ifupdown-use-x-hostname-NAME-with-udhcpc.patch
70180473e3939402e460b25de8273a5ce7f62b130a9efe31f33d847b2406ac92 0001-diff-add-support-for-no-dereference.patch
@@ -193,6 +200,8 @@ eb7cce973bfd53ce3350713437b9e2751becfb8dfb10b14f27c4f812297c403b90f80dc2906179d4
5c42b05be69c834c9fd5372c6b0d55a6399c74146a94ea09eae7285dd4fa75d1bde38bf7ab73e98638f65eb72db02115453cbdfe85a0085d742940366f617c7d bb-app-location.patch
69af4800fcf765b4ae029daced7ff171b6b04d810c94a987c7ba848e275a27b77b18b38df1b85f4a12c4a47ed42f62e0768260eb1198e2aff1c3cea898b85c61 loginutils-sha512.patch
34415fe69f6b8d42756046aa8e6d9e4f64a3b0ceb9f57c4c988e35870fe975f05d0ac76f1f9a712196e9c59e67aa2a54abf398242009134fb3aca342c25a3646 udhcpc-discover-retries.patch
+b8e67db3969d97e3c5cb19c7eb6b5588ffe6083a9ec63bb6e5ad2a399d473b6efc659a045375f20bbb896b956bc274206cc1659b595c1378beaa9034186459b3 busybox-1.24.1-unzip.patch
+2df0585545f9cf78eb773e9695f18117f2e2ea3b5259bf3479c4ed6e870e0624718f16fcc1a888a110cbaa0d3d477a5431e82e162c4e4a63a2c8d46eda670b5d busybox-1.24.1-unzip-regression.patch
9c836f85d5bc3b33d459394679a93635658c59fb744e266109f84531d391880926d62d671f8ccef56d3b744f0bcc54a8ad2789931e50dcbc40d5d94158bcc503 0001-ifupdown-pass-interface-device-name-for-ipv6-route-c.patch
b1a1cc2ada657a3d3364c8c96853575d73784e769cd8768c170c27a3e59abd2beace75dff6d5047c4391725e961d93149f9c3f45ed75fb1c582bf18b818282c9 0001-ifupdown-use-x-hostname-NAME-with-udhcpc.patch
a35b66cd28b79ccc14b47315ac94677fdf8c14d8a6e8956707e71fb50d453dfc5b4b822832cd1faecfe9bf79e687f9b25a1357e0a88db530044c5f8514701c98 0001-diff-add-support-for-no-dereference.patch
diff --git a/main/busybox/busybox-1.24.1-unzip-regression.patch b/main/busybox/busybox-1.24.1-unzip-regression.patch
new file mode 100644
index 000000000000..58d7b7c6bb00
--- /dev/null
+++ b/main/busybox/busybox-1.24.1-unzip-regression.patch
@@ -0,0 +1,135 @@
+From 092fabcf1df5d46cd22be4ffcd3b871f6180eb9c Mon Sep 17 00:00:00 2001
+From: Denys Vlasenko <vda.linux@googlemail.com>
+Date: Fri, 30 Oct 2015 23:41:53 +0100
+Subject: [PATCH] [g]unzip: fix recent breakage.
+
+Also, do emit error message we so painstakingly pass from gzip internals
+
+Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
+(cherry picked from commit 6bd3fff51aa74e2ee2d87887b12182a3b09792ef)
+Signed-off-by: Mike Frysinger <vapier@gentoo.org>
+---
+ archival/libarchive/decompress_gunzip.c | 33 +++++++++++++++++++++------------
+ testsuite/unzip.tests | 1 +
+ 2 files changed, 22 insertions(+), 12 deletions(-)
+
+diff --git a/archival/libarchive/decompress_gunzip.c b/archival/libarchive/decompress_gunzip.c
+index c76fd31..357c9bf 100644
+--- a/archival/libarchive/decompress_gunzip.c
++++ b/archival/libarchive/decompress_gunzip.c
+@@ -309,8 +309,7 @@ static int huft_build(const unsigned *b, const unsigned n,
+ huft_t *q; /* points to current table */
+ huft_t r; /* table entry for structure assignment */
+ huft_t *u[BMAX]; /* table stack */
+- unsigned v[N_MAX]; /* values in order of bit length */
+- unsigned v_end;
++ unsigned v[N_MAX + 1]; /* values in order of bit length. last v[] is never used */
+ int ws[BMAX + 1]; /* bits decoded stack */
+ int w; /* bits decoded */
+ unsigned x[BMAX + 1]; /* bit offsets, then code stack */
+@@ -365,15 +364,17 @@ static int huft_build(const unsigned *b, const unsigned n,
+ *xp++ = j;
+ }
+
+- /* Make a table of values in order of bit lengths */
++ /* Make a table of values in order of bit lengths.
++ * To detect bad input, unused v[i]'s are set to invalid value UINT_MAX.
++ * In particular, last v[i] is never filled and must not be accessed.
++ */
++ memset(v, 0xff, sizeof(v));
+ p = b;
+ i = 0;
+- v_end = 0;
+ do {
+ j = *p++;
+ if (j != 0) {
+ v[x[j]++] = i;
+- v_end = x[j];
+ }
+ } while (++i < n);
+
+@@ -435,7 +436,9 @@ static int huft_build(const unsigned *b, const unsigned n,
+
+ /* set up table entry in r */
+ r.b = (unsigned char) (k - w);
+- if (p >= v + v_end) { // Was "if (p >= v + n)" but v[] can be shorter!
++ if (/*p >= v + n || -- redundant, caught by the second check: */
++ *p == UINT_MAX /* do we access uninited v[i]? (see memset(v))*/
++ ) {
+ r.e = 99; /* out of values--invalid code */
+ } else if (*p < s) {
+ r.e = (unsigned char) (*p < 256 ? 16 : 15); /* 256 is EOB code */
+@@ -520,8 +523,9 @@ static NOINLINE int inflate_codes(STATE_PARAM_ONLY)
+ e = t->e;
+ if (e > 16)
+ do {
+- if (e == 99)
+- abort_unzip(PASS_STATE_ONLY);;
++ if (e == 99) {
++ abort_unzip(PASS_STATE_ONLY);
++ }
+ bb >>= t->b;
+ k -= t->b;
+ e -= 16;
+@@ -557,8 +561,9 @@ static NOINLINE int inflate_codes(STATE_PARAM_ONLY)
+ e = t->e;
+ if (e > 16)
+ do {
+- if (e == 99)
++ if (e == 99) {
+ abort_unzip(PASS_STATE_ONLY);
++ }
+ bb >>= t->b;
+ k -= t->b;
+ e -= 16;
+@@ -824,8 +829,9 @@ static int inflate_block(STATE_PARAM smallint *e)
+
+ b_dynamic >>= 4;
+ k_dynamic -= 4;
+- if (nl > 286 || nd > 30)
++ if (nl > 286 || nd > 30) {
+ abort_unzip(PASS_STATE_ONLY); /* bad lengths */
++ }
+
+ /* read in bit-length-code lengths */
+ for (j = 0; j < nb; j++) {
+@@ -906,12 +912,14 @@ static int inflate_block(STATE_PARAM smallint *e)
+ bl = lbits;
+
+ i = huft_build(ll, nl, 257, cplens, cplext, &inflate_codes_tl, &bl);
+- if (i != 0)
++ if (i != 0) {
+ abort_unzip(PASS_STATE_ONLY);
++ }
+ bd = dbits;
+ i = huft_build(ll + nl, nd, 0, cpdist, cpdext, &inflate_codes_td, &bd);
+- if (i != 0)
++ if (i != 0) {
+ abort_unzip(PASS_STATE_ONLY);
++ }
+
+ /* set up data for inflate_codes() */
+ inflate_codes_setup(PASS_STATE bl, bd);
+@@ -999,6 +1007,7 @@ inflate_unzip_internal(STATE_PARAM transformer_state_t *xstate)
+ error_msg = "corrupted data";
+ if (setjmp(error_jmp)) {
+ /* Error from deep inside zip machinery */
++ bb_error_msg(error_msg);
+ n = -1;
+ goto ret;
+ }
+diff --git a/testsuite/unzip.tests b/testsuite/unzip.tests
+index ca0a458..d8738a3 100755
+--- a/testsuite/unzip.tests
++++ b/testsuite/unzip.tests
+@@ -34,6 +34,7 @@ rm foo.zip
+ testing "unzip (bad archive)" "uudecode; unzip bad.zip 2>&1; echo \$?" \
+ "Archive: bad.zip
+ inflating: ]3j½r«IK-%Ix
++unzip: corrupted data
+ unzip: inflate error
+ 1
+ " \
+--
+2.6.2
+
diff --git a/main/busybox/busybox-1.24.1-unzip.patch b/main/busybox/busybox-1.24.1-unzip.patch
new file mode 100644
index 000000000000..77f02c116c98
--- /dev/null
+++ b/main/busybox/busybox-1.24.1-unzip.patch
@@ -0,0 +1,110 @@
+From 1de25a6e87e0e627aa34298105a3d17c60a1f44e Mon Sep 17 00:00:00 2001
+From: Denys Vlasenko <vda.linux@googlemail.com>
+Date: Mon, 26 Oct 2015 19:33:05 +0100
+Subject: [PATCH] unzip: test for bad archive SEGVing
+
+function old new delta
+huft_build 1296 1300 +4
+
+Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
+---
+ archival/libarchive/decompress_gunzip.c | 11 +++++++----
+ testsuite/unzip.tests | 23 ++++++++++++++++++++++-
+ 2 files changed, 29 insertions(+), 5 deletions(-)
+
+diff --git a/archival/libarchive/decompress_gunzip.c b/archival/libarchive/decompress_gunzip.c
+index 7b6f459..30bf451 100644
+--- a/archival/libarchive/decompress_gunzip.c
++++ b/archival/libarchive/decompress_gunzip.c
+@@ -305,11 +305,12 @@ static int huft_build(const unsigned *b, const unsigned n,
+ unsigned i; /* counter, current code */
+ unsigned j; /* counter */
+ int k; /* number of bits in current code */
+- unsigned *p; /* pointer into c[], b[], or v[] */
++ const unsigned *p; /* pointer into c[], b[], or v[] */
+ huft_t *q; /* points to current table */
+ huft_t r; /* table entry for structure assignment */
+ huft_t *u[BMAX]; /* table stack */
+ unsigned v[N_MAX]; /* values in order of bit length */
++ unsigned v_end;
+ int ws[BMAX + 1]; /* bits decoded stack */
+ int w; /* bits decoded */
+ unsigned x[BMAX + 1]; /* bit offsets, then code stack */
+@@ -324,7 +325,7 @@ static int huft_build(const unsigned *b, const unsigned n,
+
+ /* Generate counts for each bit length */
+ memset(c, 0, sizeof(c));
+- p = (unsigned *) b; /* cast allows us to reuse p for pointing to b */
++ p = b;
+ i = n;
+ do {
+ c[*p]++; /* assume all entries <= BMAX */
+@@ -365,12 +366,14 @@ static int huft_build(const unsigned *b, const unsigned n,
+ }
+
+ /* Make a table of values in order of bit lengths */
+- p = (unsigned *) b;
++ p = b;
+ i = 0;
++ v_end = 0;
+ do {
+ j = *p++;
+ if (j != 0) {
+ v[x[j]++] = i;
++ v_end = x[j];
+ }
+ } while (++i < n);
+
+@@ -432,7 +435,7 @@ static int huft_build(const unsigned *b, const unsigned n,
+
+ /* set up table entry in r */
+ r.b = (unsigned char) (k - w);
+- if (p >= v + n) {
++ if (p >= v + v_end) { // Was "if (p >= v + n)" but v[] can be shorter!
+ r.e = 99; /* out of values--invalid code */
+ } else if (*p < s) {
+ r.e = (unsigned char) (*p < 256 ? 16 : 15); /* 256 is EOB code */
+diff --git a/testsuite/unzip.tests b/testsuite/unzip.tests
+index 8677a03..ca0a458 100755
+--- a/testsuite/unzip.tests
++++ b/testsuite/unzip.tests
+@@ -7,7 +7,7 @@
+
+ . ./testing.sh
+
+-# testing "test name" "options" "expected result" "file input" "stdin"
++# testing "test name" "commands" "expected result" "file input" "stdin"
+ # file input will be file called "input"
+ # test can create a file "actual" instead of writing to stdout
+
+@@ -30,6 +30,27 @@ testing "unzip (subdir only)" "unzip -q foo.zip foo/ && test -d foo && test ! -f
+ rmdir foo
+ rm foo.zip
+
++# File containing some damaged encrypted stream
++testing "unzip (bad archive)" "uudecode; unzip bad.zip 2>&1; echo \$?" \
++"Archive: bad.zip
++ inflating: ]3j½r«IK-%Ix
++unzip: inflate error
++1
++" \
++"" "\
++begin-base64 644 bad.zip
++UEsDBBQAAgkIAAAAIQA5AAAANwAAADwAAAAQAAcAXTNqwr1ywqtJGxJLLSVJ
++eCkBD0AdKBk8JzQsIj01JC0/ORJQSwMEFAECCAAAAAAhADoAAAAPAAAANgAA
++AAwAAQASw73Ct1DCokohPXQiNjoUNTUiHRwgLT4WHlBLAQIQABQAAggIAAAA
++oQA5AAAANwAAADwAAAAQQAcADAAAACwAMgCAAAAAAABdM2rCvXLCq0kbEkst
++JUl4KQEPQB0oGSY4Cz4QNgEnJSYIPVBLAQIAABQAAggAAAAAIQAqAAAADwAA
++BDYAAAAMAAEADQAAADIADQAAAEEAAAASw73Ct1DKokohPXQiNzA+FAI1HCcW
++NzITNFBLBQUKAC4JAA04Cw0EOhZQSwUGAQAABAIAAgCZAAAAeQAAAAIALhM=
++====
++"
++
++rm *
++
+ # Clean up scratch directory.
+
+ cd ..
+--
+2.6.2
+
--
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