Bump Buildroot to 2021.02-rc3 (#1260)
* Rebase patches to Buildroot 2021.02-rc3 * Update Buildroot to 2021.02-rc3 * Declare Kernel headers to be Linux version 5.10 (since they are, and new Buildroot knows about 5.10)
This commit is contained in:
@@ -1,67 +0,0 @@
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From 32027e199368dad9508965aae8cd8de5b6ab5231 Mon Sep 17 00:00:00 2001
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From: Guy Harris <guy@alum.mit.edu>
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Date: Sat, 18 Apr 2020 14:04:59 -0700
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Subject: [PATCH] PPP: When un-escaping, don't allocate a too-large buffer.
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The buffer should be big enough to hold the captured data, but it
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doesn't need to be big enough to hold the entire on-the-network packet,
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if we haven't captured all of it.
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(backported from commit e4add0b010ed6f2180dcb05a13026242ed935334)
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[Retrieved from:
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https://github.com/the-tcpdump-group/tcpdump/commit/32027e199368dad9508965aae8cd8de5b6ab5231]
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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---
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print-ppp.c | 18 ++++++++++++++----
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1 file changed, 14 insertions(+), 4 deletions(-)
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diff --git a/print-ppp.c b/print-ppp.c
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index 891761728..33fb03412 100644
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--- a/print-ppp.c
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+++ b/print-ppp.c
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@@ -1367,19 +1367,29 @@ print_bacp_config_options(netdissect_options *ndo,
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return 0;
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}
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+/*
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+ * Un-escape RFC 1662 PPP in HDLC-like framing, with octet escapes.
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+ * The length argument is the on-the-wire length, not the captured
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+ * length; we can only un-escape the captured part.
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+ */
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static void
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ppp_hdlc(netdissect_options *ndo,
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const u_char *p, int length)
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{
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+ u_int caplen = ndo->ndo_snapend - p;
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u_char *b, *t, c;
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const u_char *s;
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- int i, proto;
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+ u_int i;
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+ int proto;
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const void *se;
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+ if (caplen == 0)
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+ return;
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+
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if (length <= 0)
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return;
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- b = (u_char *)malloc(length);
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+ b = (u_char *)malloc(caplen);
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if (b == NULL)
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return;
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@@ -1388,10 +1398,10 @@ ppp_hdlc(netdissect_options *ndo,
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* Do this so that we dont overwrite the original packet
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* contents.
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*/
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- for (s = p, t = b, i = length; i > 0 && ND_TTEST(*s); i--) {
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+ for (s = p, t = b, i = caplen; i != 0; i--) {
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c = *s++;
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if (c == 0x7d) {
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- if (i <= 1 || !ND_TTEST(*s))
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+ if (i <= 1)
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break;
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i--;
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c = *s++ ^ 0x20;
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@@ -1,5 +1,5 @@
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# Locally calculated after checking pgp signature at
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# http://www.tcpdump.org/release/tcpdump-4.9.3.tar.gz.sig
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# https://www.tcpdump.org/release/tcpdump-4.99.0.tar.gz.sig
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# using key 1F166A5742ABB9E0249A8D30E089DEF1D9C15D0D
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sha256 2cd47cb3d460b6ff75f4a9940f594317ad456cfbf2bd2c8e5151e16559db6410 tcpdump-4.9.3.tar.gz
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sha256 9b03d5d13e66d6de02a4bb2d0dd1cb9f41808d045962cdcc42350d5291b141a1 LICENSE
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sha256 8cf2f17a9528774a7b41060323be8b73f76024f7778f59c34efa65d49d80b842 tcpdump-4.99.0.tar.gz
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sha256 8a54594d257e14a5260ac770f1633516cb51e3fc28c40136ce2697014eda7afd LICENSE
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@@ -4,30 +4,25 @@
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#
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################################################################################
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TCPDUMP_VERSION = 4.9.3
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TCPDUMP_SITE = http://www.tcpdump.org/release
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TCPDUMP_VERSION = 4.99.0
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TCPDUMP_SITE = https://www.tcpdump.org/release
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TCPDUMP_LICENSE = BSD-3-Clause
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TCPDUMP_LICENSE_FILES = LICENSE
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TCPDUMP_CPE_ID_VENDOR = tcpdump
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TCPDUMP_CONF_ENV = \
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ac_cv_linux_vers=2 \
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td_cv_buggygetaddrinfo=no \
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PCAP_CONFIG=$(STAGING_DIR)/usr/bin/pcap-config
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TCPDUMP_CONF_OPTS = \
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--without-crypto \
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--with-system-libpcap \
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--disable-local-libpcap \
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$(if $(BR2_PACKAGE_TCPDUMP_SMB),--enable-smb,--disable-smb)
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TCPDUMP_DEPENDENCIES = libpcap
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# 0001-PPP-When-un-escaping-don-t-allocate-a-too-large-buffer.patch
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TCPDUMP_IGNORE_CVES += CVE-2020-8037
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ifeq ($(BR2_STATIC_LIBS),y)
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TCPDUMP_CONF_OPTS += LIBS="`$(STAGING_DIR)/usr/bin/pcap-config --static --additional-libs`"
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endif
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TCPDUMP_DEPENDENCIES = libpcap host-pkgconf
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TCPDUMP_SELINUX_MODULES = netutils
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# make install installs an unneeded extra copy of the tcpdump binary
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define TCPDUMP_REMOVE_DUPLICATED_BINARY
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rm -f $(TARGET_DIR)/usr/sbin/tcpdump.$(TCPDUMP_VERSION)
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rm -f $(TARGET_DIR)/usr/bin/tcpdump.$(TCPDUMP_VERSION)
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endef
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TCPDUMP_POST_INSTALL_TARGET_HOOKS += TCPDUMP_REMOVE_DUPLICATED_BINARY
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