import tcpdump-4.9.3-1.el8
This commit is contained in:
CentOS Sources
parent
e3522ce926
commit
471510bb66
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@ -1,2 +1,2 @@
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SOURCES/tcpdump-4.9.2.tar.gz
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SOURCES/tcpdump-4.9.3.tar.gz
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SOURCES/tcpslice-1.2a3.tar.gz
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@ -1,2 +1,2 @@
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f7dccebe94c3d07ac8744d43297ea2b98b35a13f SOURCES/tcpdump-4.9.2.tar.gz
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59b309f3620ac4b709de2eaf7bf3a83bf04bc048 SOURCES/tcpdump-4.9.3.tar.gz
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98790301cb1bf4399a95153bc62d49b3f5808994 SOURCES/tcpslice-1.2a3.tar.gz
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@ -1,26 +0,0 @@
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From f19e0376b8e98b38240d28eb9e6f78c465bb1c6e Mon Sep 17 00:00:00 2001
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From: rpm-build <rpm-build>
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Date: Mon, 20 Oct 2014 13:34:24 +0200
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Subject: [PATCH 1/8] icmp6: print Reachable Time and Retransmit Time from
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ICMPv6 as milliseconds
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---
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print-icmp6.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/print-icmp6.c b/print-icmp6.c
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index 7fe639d..cfaa2df 100644
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--- a/print-icmp6.c
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+++ b/print-icmp6.c
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@@ -1034,7 +1034,7 @@ icmp6_print(netdissect_options *ndo,
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p = (const struct nd_router_advert *)dp;
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ND_TCHECK(p->nd_ra_retransmit);
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ND_PRINT((ndo,"\n\thop limit %u, Flags [%s]" \
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- ", pref %s, router lifetime %us, reachable time %us, retrans time %us",
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+ ", pref %s, router lifetime %us, reachable time %ums, retrans time %ums",
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(u_int)p->nd_ra_curhoplimit,
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bittok2str(icmp6_opt_ra_flag_values,"none",(p->nd_ra_flags_reserved)),
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get_rtpref(p->nd_ra_flags_reserved),
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--
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2.9.3
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@ -1,36 +0,0 @@
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From d5508c13119404102104a3935e7445c9fddf79b5 Mon Sep 17 00:00:00 2001
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From: rpm-build <rpm-build>
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Date: Fri, 3 Feb 2017 09:43:03 +0100
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Subject: [PATCH 8/8] Don't print out we dropped root, we are always dropping
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it
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---
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tcpdump.c | 5 -----
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1 file changed, 5 deletions(-)
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diff --git a/tcpdump.c b/tcpdump.c
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index 29f7f87..18c4a5c 100644
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--- a/tcpdump.c
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+++ b/tcpdump.c
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@@ -618,8 +618,6 @@ droproot(const char *username, const char *chroot_dir)
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int ret = capng_change_id(pw->pw_uid, pw->pw_gid, CAPNG_NO_FLAG);
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if (ret < 0) {
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fprintf(stderr, "error : ret %d\n", ret);
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- } else {
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- fprintf(stderr, "dropped privs to %s\n", username);
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}
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}
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#else
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@@ -632,9 +630,6 @@ droproot(const char *username, const char *chroot_dir)
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pcap_strerror(errno));
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exit_tcpdump(1);
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}
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- else {
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- fprintf(stderr, "dropped privs to %s\n", username);
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- }
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#endif /* HAVE_LIBCAP_NG */
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}
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else {
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--
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2.9.3
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@ -10,18 +10,15 @@ flag than upstream does. We use -nn in those cases.
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/tests/TESTonce b/tests/TESTonce
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index 7026624..e348701 100755
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index 425abaa..81283d9 100755
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--- a/tests/TESTonce
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+++ b/tests/TESTonce
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@@ -21,7 +21,7 @@ if ($^O eq 'MSWin32') {
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@@ -43,7 +43,7 @@ if ($^O eq 'MSWin32') {
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else {
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# we used to do this as a nice pipeline, but the problem is that $r fails to
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# to be set properly if the tcpdump core dumps.
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- $r = system "../tcpdump 2>/dev/null -n -t -r $input $options >NEW/$output";
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+ $r = system "../tcpdump 2>/dev/null -nn -t -r $input $options >NEW/$output";
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if($r != 0) {
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# this means tcpdump failed.
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open(OUTPUT, ">>"."NEW/$output") || die "fail to open $output\n";
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--
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2.13.5
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- $cmd = "$TCPDUMP 2>${rawstderrlog} -t -n -r $input $options >tests/NEW/${outputbase}";
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+ $cmd = "$TCPDUMP 2>${rawstderrlog} -t -nn -r $input $options >tests/NEW/${outputbase}";
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print "CMD: $cmd\n" if $debug;
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$r = system $cmd;
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if($r == -1) {
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@ -1,45 +0,0 @@
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From 0ae4aa1881bbe40443bff802b5e4aa6ca0696dd9 Mon Sep 17 00:00:00 2001
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From: rpm-build <rpm-build>
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Date: Tue, 11 Apr 2017 09:37:53 +0200
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Subject: [PATCH 10/13] Expect miliseconds instead of seconds in icmp capture.
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Again this is caused by our patch, so we need to modify tests
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accordingly.
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---
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tests/icmpv6.out | 2 +-
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tests/icmpv6_opt24-v.out | 4 ++--
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2 files changed, 3 insertions(+), 3 deletions(-)
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diff --git a/tests/icmpv6.out b/tests/icmpv6.out
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index bb7775e..8979540 100644
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--- a/tests/icmpv6.out
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+++ b/tests/icmpv6.out
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@@ -1,5 +1,5 @@
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IP6 (hlim 255, next-header ICMPv6 (58) payload length: 176) fe80::b299:28ff:fec8:d66c > ff02::1: [icmp6 sum ok] ICMP6, router advertisement, length 176
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- hop limit 64, Flags [home agent], pref medium, router lifetime 15s, reachable time 0s, retrans time 0s
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+ hop limit 64, Flags [home agent], pref medium, router lifetime 15s, reachable time 0ms, retrans time 0ms
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prefix info option (3), length 32 (4): 2222:3333:4444:5555:6600::/72, Flags [onlink, auto], valid time 2592000s, pref. time 604800s
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0x0000: 48c0 0027 8d00 0009 3a80 0000 0000 2222
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0x0010: 3333 4444 5555 6600 0000 0000 0000
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diff --git a/tests/icmpv6_opt24-v.out b/tests/icmpv6_opt24-v.out
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index 2b7cf09..00512df 100644
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--- a/tests/icmpv6_opt24-v.out
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+++ b/tests/icmpv6_opt24-v.out
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@@ -1,5 +1,5 @@
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IP6 (hlim 255, next-header ICMPv6 (58) payload length: 120) fe80::16cf:92ff:fe87:23d6 > ff02::1: [icmp6 sum ok] ICMP6, router advertisement, length 120
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- hop limit 0, Flags [managed, other stateful], pref medium, router lifetime 0s, reachable time 0s, retrans time 0s
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+ hop limit 0, Flags [managed, other stateful], pref medium, router lifetime 0s, reachable time 0ms, retrans time 0ms
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source link-address option (1), length 8 (1): 14:cf:92:87:23:d6
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mtu option (5), length 8 (1): 1500
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prefix info option (3), length 32 (4): fd8d:4fb3:5b2e::/64, Flags [onlink, auto], valid time 7200s, pref. time 1800s
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@@ -7,7 +7,7 @@ IP6 (hlim 255, next-header ICMPv6 (58) payload length: 120) fe80::16cf:92ff:fe87
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rdnss option (25), length 24 (3): lifetime 1800s, addr: fd8d:4fb3:5b2e::1
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dnssl option (31), length 16 (2): lifetime 1800s, domain(s): lan.
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IP6 (hlim 255, next-header ICMPv6 (58) payload length: 120) fe80::16cf:92ff:fe87:23d6 > ff02::1: [icmp6 sum ok] ICMP6, router advertisement, length 120
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- hop limit 0, Flags [managed, other stateful], pref medium, router lifetime 0s, reachable time 0s, retrans time 0s
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+ hop limit 0, Flags [managed, other stateful], pref medium, router lifetime 0s, reachable time 0ms, retrans time 0ms
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source link-address option (1), length 8 (1): 14:cf:92:87:23:d6
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mtu option (5), length 8 (1): 1500
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prefix info option (3), length 32 (4): fd8d:4fb3:5b2e::/64, Flags [onlink, auto], valid time 7200s, pref. time 1800s
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--
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2.13.5
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@ -1,133 +1,13 @@
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diff --git a/print-esp.c b/print-esp.c
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index 511ee8a3..5b282526 100644
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index 6fabff1..cdeca9d 100644
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--- a/print-esp.c
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+++ b/print-esp.c
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@@ -192,8 +192,8 @@ int esp_print_decrypt_buffer_by_ikev2(netdissect_options *ndo,
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const u_char *iv;
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unsigned int len;
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EVP_CIPHER_CTX *ctx;
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- unsigned int block_size, output_buffer_size;
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- u_char *output_buffer;
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+ unsigned int block_size, buffer_size;
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+ u_char *input_buffer, *output_buffer;
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/* initiator arg is any non-zero value */
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if(initiator) initiator=1;
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@@ -228,19 +228,41 @@ int esp_print_decrypt_buffer_by_ikev2(netdissect_options *ndo,
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(*ndo->ndo_warning)(ndo, "espkey init failed");
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set_cipher_parameters(ctx, NULL, NULL, iv, 0);
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/*
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- * Allocate a buffer for the decrypted data.
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- * The output buffer must be separate from the input buffer, and
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- * its size must be a multiple of the cipher block size.
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+ * Allocate buffers for the encrypted and decrypted data.
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+ * Both buffers' sizes must be a multiple of the cipher block
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+ * size, and the output buffer must be separate from the input
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+ * buffer.
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*/
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block_size = (unsigned int)EVP_CIPHER_CTX_block_size(ctx);
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- output_buffer_size = len + (block_size - len % block_size);
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- output_buffer = (u_char *)malloc(output_buffer_size);
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+ buffer_size = len + (block_size - len % block_size);
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+
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+ /*
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+ * Attempt to allocate the input buffer.
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+ */
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+ input_buffer = (u_char *)malloc(buffer_size);
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+ if (input_buffer == NULL) {
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+ (*ndo->ndo_warning)(ndo, "can't allocate memory for encrypted data buffer");
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+ EVP_CIPHER_CTX_free(ctx);
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+ return 0;
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+ }
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+ /*
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+ * Copy the input data to the encrypted data buffer, and pad it
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+ * with zeroes.
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+ */
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+ memcpy(input_buffer, buf, len);
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+ memset(input_buffer + len, 0, buffer_size - len);
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+
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+ /*
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+ * Attempt to allocate the output buffer.
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+ */
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+ output_buffer = (u_char *)malloc(buffer_size);
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if (output_buffer == NULL) {
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(*ndo->ndo_warning)(ndo, "can't allocate memory for decryption buffer");
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+ free(input_buffer);
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@@ -259,7 +259,7 @@ int esp_print_decrypt_buffer_by_ikev2(netdissect_options *ndo,
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EVP_CIPHER_CTX_free(ctx);
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return 0;
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(*ndo->ndo_error)(ndo, "can't allocate memory for decryption buffer");
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}
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- EVP_Cipher(ctx, output_buffer, buf, len);
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- EVP_Cipher(ctx, output_buffer, input_buffer, len);
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+ EVP_Cipher(ctx, output_buffer, input_buffer, buffer_size);
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EVP_CIPHER_CTX_free(ctx);
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/*
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@@ -249,6 +272,7 @@ int esp_print_decrypt_buffer_by_ikev2(netdissect_options *ndo,
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* but changing this would require a more complicated fix.
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*/
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memcpy(buf, output_buffer, len);
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+ free(input_buffer);
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free(output_buffer);
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ndo->ndo_packetp = buf;
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@@ -666,8 +690,8 @@ esp_print(netdissect_options *ndo,
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const u_char *ivoff;
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const u_char *p;
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EVP_CIPHER_CTX *ctx;
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- unsigned int block_size, output_buffer_size;
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- u_char *output_buffer;
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+ unsigned int block_size, buffer_size;
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+ u_char *input_buffer, *output_buffer;
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#endif
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esp = (const struct newesp *)bp;
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@@ -784,21 +808,43 @@ esp_print(netdissect_options *ndo,
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len = ep - (p + ivlen);
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/*
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- * Allocate a buffer for the decrypted data.
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- * The output buffer must be separate from the
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- * input buffer, and its size must be a multiple
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- * of the cipher block size.
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+ * Allocate buffers for the encrypted and decrypted
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+ * data. Both buffers' sizes must be a multiple of
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+ * the cipher block size, and the output buffer must
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+ * be separate from the input buffer.
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*/
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block_size = (unsigned int)EVP_CIPHER_CTX_block_size(ctx);
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- output_buffer_size = len + (block_size - len % block_size);
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- output_buffer = (u_char *)malloc(output_buffer_size);
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+ buffer_size = len + (block_size - len % block_size);
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+
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+ /*
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+ * Attempt to allocate the input buffer.
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+ */
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+ input_buffer = (u_char *)malloc(buffer_size);
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+ if (input_buffer == NULL) {
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+ (*ndo->ndo_warning)(ndo, "can't allocate memory for encrypted data buffer");
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+ EVP_CIPHER_CTX_free(ctx);
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+ return 0;
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+ }
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+ /*
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+ * Copy the input data to the encrypted data buffer,
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+ * and pad it with zeroes.
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+ */
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+ memcpy(input_buffer, p + ivlen, len);
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+ memset(input_buffer + len, 0, buffer_size - len);
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+
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+ /*
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+ * Attempt to allocate the output buffer.
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+ */
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+ output_buffer = (u_char *)malloc(buffer_size);
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if (output_buffer == NULL) {
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(*ndo->ndo_warning)(ndo, "can't allocate memory for decryption buffer");
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+ free(input_buffer);
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EVP_CIPHER_CTX_free(ctx);
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return -1;
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}
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- EVP_Cipher(ctx, output_buffer, p + ivlen, len);
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+ EVP_Cipher(ctx, output_buffer, input_buffer, len);
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+ free(input_buffer);
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EVP_CIPHER_CTX_free(ctx);
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/*
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* XXX - of course this is wrong, because buf is a
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|
|
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|
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@ -1,26 +0,0 @@
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From bbae61cda27b8d565456c95a697d9e7ed3298937 Mon Sep 17 00:00:00 2001
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From: rpm-build <rpm-build>
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Date: Tue, 8 Oct 2019 14:32:32 +0200
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Subject: [PATCH]
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0015-CVE-2018-19519-tcpdump-stack-based-buffer-over-read.patch
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---
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print-hncp.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/print-hncp.c b/print-hncp.c
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index 11a6a93..7537a0d 100644
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--- a/print-hncp.c
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+++ b/print-hncp.c
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@@ -229,6 +229,8 @@ print_prefix(netdissect_options *ndo, const u_char *prefix, u_int max_length)
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plenbytes += 1 + IPV4_MAPPED_HEADING_LEN;
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} else {
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plenbytes = decode_prefix6(ndo, prefix, max_length, buf, sizeof(buf));
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+ if (plenbytes < 0)
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+ return plenbytes;
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}
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ND_PRINT((ndo, "%s", buf));
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--
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2.21.0
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Binary file not shown.
Binary file not shown.
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@ -1,8 +1,8 @@
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Summary: A network traffic monitoring tool
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Name: tcpdump
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Epoch: 14
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Version: 4.9.2
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Release: 6%{?dist}
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Version: 4.9.3
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Release: 1%{?dist}
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License: BSD with advertising
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URL: http://www.tcpdump.org
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Group: Applications/Internet
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|
|
@ -13,20 +13,16 @@ Source0: http://www.tcpdump.org/release/tcpdump-%{version}.tar.gz
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Source1: ftp://ftp.ee.lbl.gov/tcpslice-1.2a3.tar.gz
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Source2: http://www.tcpdump.org/release/tcpdump-%{version}.tar.gz.sig
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Patch0001: 0001-icmp6-print-Reachable-Time-and-Retransmit-Time-from-.patch
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Patch0002: 0002-Use-getnameinfo-instead-of-gethostbyaddr.patch
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Patch0003: 0003-Drop-root-priviledges-before-opening-first-savefile-.patch
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Patch0004: 0004-tcpslice-update-tcpslice-patch-to-1.2a3.patch
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Patch0005: 0005-tcpslice-remove-unneeded-include.patch
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Patch0006: 0006-tcpslice-don-t-test-the-pointer-but-pointee-for-NULL.patch
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Patch0007: 0007-Introduce-nn-option.patch
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Patch0008: 0008-Don-t-print-out-we-dropped-root-we-are-always-droppi.patch
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Patch0009: 0009-Change-n-flag-to-nn-in-TESTonce.patch
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Patch0010: 0010-Expect-miliseconds-instead-of-seconds-in-icmp-captur.patch
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Patch0011: 0011-Evp-cipher-buffers.patch
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Patch0012: 0012-Add-printing-support-for-vsockmon-devices.patch
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Patch0013: 0013-tcpslice-stdlib.patch
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Patch0014: 0014-CVE-2018-19519-tcpdump-stack-based-buffer-over-read.patch
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%define tcpslice_dir tcpslice-1.2a3
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@ -92,6 +88,9 @@ exit 0
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%{_mandir}/man8/tcpdump.8*
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%changelog
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* Thu May 07 2020 Michal Ruprich <michalruprich@gmail.com> - 14:4.9.3-1
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- Resolves: #1804063 - Rebase tcpdump to 4.9.3 to fix multiple CVEs
|
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* Tue Oct 29 2019 Michal Ruprich <mruprich@redhat.com> - 14:4.9.2-6
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- Resolves: #1715423 - tcpdump pre creates user and groups unconditionally
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- Resolves: #1655622 - CVE-2018-19519 Stack-based buffer over-read in print-hncp.c:print_prefix() via crafted pcap
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