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authorRoy Li <rongqing.li@windriver.com>2015-06-01 14:58:00 +0800
committerRichard Purdie <richard.purdie@linuxfoundation.org>2015-06-03 16:34:34 +0100
commit81d06ef0a566793e644686ec604ad7d46546d2b0 (patch)
tree1c36f436f31fe3ab5f024386e5b60617793d5e51
parent491d485ade68c128624eee00977f293dba8f64b9 (diff)
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rsync: backport a patch to fix CVE-2014-8242
Signed-off-by: Roy Li <rongqing.li@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
-rw-r--r--meta/recipes-devtools/rsync/rsync-3.1.1/rsync.git-eac858085.patch101
-rw-r--r--meta/recipes-devtools/rsync/rsync_3.1.1.bb1
2 files changed, 102 insertions, 0 deletions
diff --git a/meta/recipes-devtools/rsync/rsync-3.1.1/rsync.git-eac858085.patch b/meta/recipes-devtools/rsync/rsync-3.1.1/rsync.git-eac858085.patch
new file mode 100644
index 0000000000..1fcac490ae
--- /dev/null
+++ b/meta/recipes-devtools/rsync/rsync-3.1.1/rsync.git-eac858085.patch
@@ -0,0 +1,101 @@
+From eac858085e3ac94ec0ab5061d11f52652c90a869 Mon Sep 17 00:00:00 2001
+From: Wayne Davison <wayned@samba.org>
+Date: Mon, 11 May 2015 12:36:20 -0700
+Subject: [PATCH 1/1] Add compat flag to allow proper seed checksum order.
+ Fixes the equivalent of librsync's CVE-2014-8242 issue.
+
+Upstream-Status: Backport
+
+Signed-off-by: Roy Li <rongqing.li@windriver.com>
+---
+ checksum.c | 17 +++++++++++++----
+ compat.c | 5 +++++
+ options.c | 1 +
+ 3 files changed, 19 insertions(+), 4 deletions(-)
+
+diff --git a/checksum.c b/checksum.c
+index a1c2aa2..933b514 100644
+--- a/checksum.c
++++ b/checksum.c
+@@ -23,6 +23,7 @@
+
+ extern int checksum_seed;
+ extern int protocol_version;
++extern int proper_seed_order;
+
+ /*
+ a simple 32 bit checksum that can be upadted from either end
+@@ -54,10 +55,18 @@ void get_checksum2(char *buf, int32 len, char *sum)
+ if (protocol_version >= 30) {
+ uchar seedbuf[4];
+ md5_begin(&m);
+- md5_update(&m, (uchar *)buf, len);
+- if (checksum_seed) {
+- SIVALu(seedbuf, 0, checksum_seed);
+- md5_update(&m, seedbuf, 4);
++ if (proper_seed_order) {
++ if (checksum_seed) {
++ SIVALu(seedbuf, 0, checksum_seed);
++ md5_update(&m, seedbuf, 4);
++ }
++ md5_update(&m, (uchar *)buf, len);
++ } else {
++ md5_update(&m, (uchar *)buf, len);
++ if (checksum_seed) {
++ SIVALu(seedbuf, 0, checksum_seed);
++ md5_update(&m, seedbuf, 4);
++ }
+ }
+ md5_result(&m, (uchar *)sum);
+ } else {
+diff --git a/compat.c b/compat.c
+index 2454937..f89d466 100644
+--- a/compat.c
++++ b/compat.c
+@@ -27,6 +27,7 @@ int inc_recurse = 0;
+ int compat_flags = 0;
+ int use_safe_inc_flist = 0;
+ int want_xattr_optim = 0;
++int proper_seed_order = 0;
+
+ extern int am_server;
+ extern int am_sender;
+@@ -78,6 +79,7 @@ int filesfrom_convert = 0;
+ #define CF_SYMLINK_ICONV (1<<2)
+ #define CF_SAFE_FLIST (1<<3)
+ #define CF_AVOID_XATTR_OPTIM (1<<4)
++#define CF_CHKSUM_SEED_FIX (1<<5)
+
+ static const char *client_info;
+
+@@ -271,12 +273,15 @@ void setup_protocol(int f_out,int f_in)
+ compat_flags |= CF_SAFE_FLIST;
+ if (local_server || strchr(client_info, 'x') != NULL)
+ compat_flags |= CF_AVOID_XATTR_OPTIM;
++ if (local_server || strchr(client_info, 'C') != NULL)
++ compat_flags |= CF_CHKSUM_SEED_FIX;
+ write_byte(f_out, compat_flags);
+ } else
+ compat_flags = read_byte(f_in);
+ /* The inc_recurse var MUST be set to 0 or 1. */
+ inc_recurse = compat_flags & CF_INC_RECURSE ? 1 : 0;
+ want_xattr_optim = protocol_version >= 31 && !(compat_flags & CF_AVOID_XATTR_OPTIM);
++ proper_seed_order = compat_flags & CF_CHKSUM_SEED_FIX ? 1 : 0;
+ if (am_sender) {
+ receiver_symlink_times = am_server
+ ? strchr(client_info, 'L') != NULL
+diff --git a/options.c b/options.c
+index 19c2b7d..4128b59 100644
+--- a/options.c
++++ b/options.c
+@@ -2503,6 +2503,7 @@ void server_options(char **args, int *argc_p)
+ #endif
+ argstr[x++] = 'f'; /* flist I/O-error safety support */
+ argstr[x++] = 'x'; /* xattr hardlink optimization not desired */
++ argstr[x++] = 'C'; /* support checksum seed order fix */
+ }
+
+ if (x >= (int)sizeof argstr) { /* Not possible... */
+--
+1.9.1
+
diff --git a/meta/recipes-devtools/rsync/rsync_3.1.1.bb b/meta/recipes-devtools/rsync/rsync_3.1.1.bb
index 3a79154511..c74cdda943 100644
--- a/meta/recipes-devtools/rsync/rsync_3.1.1.bb
+++ b/meta/recipes-devtools/rsync/rsync_3.1.1.bb
@@ -3,6 +3,7 @@ require rsync.inc
SRC_URI += "file://acinclude.m4 \
file://0001-Complain-if-an-inc-recursive-path-is-not-right-for-i.patch \
+ file://rsync.git-eac858085.patch \
"
SRC_URI[md5sum] = "43bd6676f0b404326eee2d63be3cdcfe"