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net-analyzer/mtr: Upstream issue 232 

Package-Manager: Portage-3.0.8, Repoman-3.0.2
Signed-off-by: Alarig Le Lay <alarig@swordarmor.fr>
This commit is contained in:
Alarig Le Lay 2020-11-14 22:35:32 +01:00
parent e02e538fba
commit 91618a1426
Signed by: alarig
GPG Key ID: 7AFE62C6DF8BCDEC
5 changed files with 475 additions and 0 deletions
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1
net-analyzer/mtr/Manifest Normal file
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@ -0,0 +1 @@
DIST mtr-0.94.tar.gz 143616 BLAKE2B e9b4619a85a515d729f0987d5882fb91e4bfa3be82476efbfdb832d0b13ed334be1c1a1bcf8ab4ca820002e79ca4a24d0b50f2739d9284b7dec0b8852a1a91e0 SHA512 0e58bd79562ff80f9308135562ab22aa1f1eea686aefd3aef07bac05e661e34b60fde7c66c96bf4f0919f546376fbd6106ecd8fa92328c24f6f903097496bf11

13
net-analyzer/mtr/files/mtr-0.88-tinfo.patch Normal file
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@ -0,0 +1,13 @@
--- a/configure.ac
+++ b/configure.ac
@@ -101,7 +101,10 @@
# (On Solaris 11.3, ncurses builds and links for us, but curses does not.)
[AC_SEARCH_LIBS(
[initscr], [ncurses curses],
+ [AC_SEARCH_LIBS(
+ [raw], [ncurses curses cursesX tinfo],
[AC_DEFINE([HAVE_CURSES], [1], [Define if a curses library available])],
+ [with_ncurses=no])],
[with_ncurses=no])
])
AM_CONDITIONAL([WITH_CURSES], [test "x$with_ncurses" = xyes])

387
net-analyzer/mtr/files/mtr-0.94-ipv4-sockets.patch Normal file
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@ -0,0 +1,387 @@
diff --git a/packet/construct_unix.c b/packet/construct_unix.c
index dff17d8..3d72b10 100644
--- a/packet/construct_unix.c
+++ b/packet/construct_unix.c
@@ -71,19 +71,6 @@ uint16_t compute_checksum(
return (~sum & 0xffff);
}
-/* Encode the IP header length field in the order required by the OS. */
-static
-uint16_t length_byte_swap(
- const struct net_state_t *net_state,
- uint16_t length)
-{
- if (net_state->platform.ip_length_host_order) {
- return length;
- } else {
- return htons(length);
- }
-}
-
/* Construct a combined sockaddr from a source address and source port */
static
void construct_addr_port(
@@ -95,38 +82,9 @@ void construct_addr_port(
*sockaddr_port_offset(addr_with_port) = htons(port);
}
-/* Construct a header for IP version 4 */
-static
-void construct_ip4_header(
- const struct net_state_t *net_state,
- const struct probe_t *probe,
- char *packet_buffer,
- int packet_size,
- const struct probe_param_t *param)
-{
- struct IPHeader *ip;
-
- ip = (struct IPHeader *) &packet_buffer[0];
-
- memset(ip, 0, sizeof(struct IPHeader));
-
- ip->version = 0x45;
- ip->tos = param->type_of_service;
- ip->len = length_byte_swap(net_state, packet_size);
- ip->ttl = param->ttl;
- ip->protocol = param->protocol;
-// ip->id = htons(getpid());
- memcpy(&ip->saddr,
- sockaddr_addr_offset(&probe->local_addr),
- sockaddr_addr_size(&probe->local_addr));
- memcpy(&ip->daddr,
- sockaddr_addr_offset(&probe->remote_addr),
- sockaddr_addr_size(&probe->remote_addr));
-}
-
/* Construct an ICMP header for IPv4 */
static
-void construct_icmp4_header(
+int construct_icmp4_packet(
const struct net_state_t *net_state,
struct probe_t *probe,
char *packet_buffer,
@@ -134,22 +92,17 @@ void construct_icmp4_header(
const struct probe_param_t *param)
{
struct ICMPHeader *icmp;
- int icmp_size;
- if (net_state->platform.ip4_socket_raw) {
- icmp = (struct ICMPHeader *) &packet_buffer[sizeof(struct IPHeader)];
- icmp_size = packet_size - sizeof(struct IPHeader);
- } else {
- icmp = (struct ICMPHeader *) &packet_buffer[0];
- icmp_size = packet_size;
- }
+ icmp = (struct ICMPHeader *) packet_buffer;
memset(icmp, 0, sizeof(struct ICMPHeader));
icmp->type = ICMP_ECHO;
icmp->id = htons(getpid());
icmp->sequence = htons(probe->sequence);
- icmp->checksum = htons(compute_checksum(icmp, icmp_size));
+ icmp->checksum = htons(compute_checksum(icmp, packet_size));
+
+ return 0;
}
/* Construct an ICMP header for IPv6 */
@@ -238,7 +191,7 @@ int udp4_checksum(void *pheader, void *udata, int psize, int dsize,
with the probe.
*/
static
-void construct_udp4_header(
+int construct_udp4_packet(
const struct net_state_t *net_state,
struct probe_t *probe,
char *packet_buffer,
@@ -248,13 +201,8 @@ void construct_udp4_header(
struct UDPHeader *udp;
int udp_size;
- if (net_state->platform.ip4_socket_raw) {
- udp = (struct UDPHeader *) &packet_buffer[sizeof(struct IPHeader)];
- udp_size = packet_size - sizeof(struct IPHeader);
- } else {
- udp = (struct UDPHeader *) &packet_buffer[0];
- udp_size = packet_size;
- }
+ udp = (struct UDPHeader *) packet_buffer;
+ udp_size = packet_size;
memset(udp, 0, sizeof(struct UDPHeader));
@@ -283,6 +231,8 @@ void construct_udp4_header(
*checksum_off = htons(udp4_checksum(&udph, udp,
sizeof(struct UDPPseudoHeader),
udp_size, udp->checksum != 0));
+
+ return 0;
}
/* Construct a header for UDPv6 probes */
@@ -545,10 +495,10 @@ int construct_ip4_packet(
int packet_size,
const struct probe_param_t *param)
{
- int send_socket = net_state->platform.ip4_send_socket;
+ int send_socket;
bool is_stream_protocol = false;
- int tos, ttl, socket;
- bool bind_send_socket = false;
+ int tos, ttl;
+ bool bind_send_socket = true;
struct sockaddr_storage current_sockaddr;
int current_sockaddr_len;
@@ -558,23 +508,34 @@ int construct_ip4_packet(
} else if (param->protocol == IPPROTO_SCTP) {
is_stream_protocol = true;
#endif
- } else {
+ } else if (param->protocol == IPPROTO_ICMP) {
if (net_state->platform.ip4_socket_raw) {
- construct_ip4_header(net_state, probe, packet_buffer, packet_size,
- param);
+ send_socket = net_state->platform.icmp4_send_socket;
+ } else {
+ send_socket = net_state->platform.ip4_txrx_icmp_socket;
}
- if (param->protocol == IPPROTO_ICMP) {
- construct_icmp4_header(net_state, probe, packet_buffer,
- packet_size, param);
- } else if (param->protocol == IPPROTO_UDP) {
- construct_udp4_header(net_state, probe, packet_buffer,
- packet_size, param);
+
+ if (construct_icmp4_packet
+ (net_state, probe, packet_buffer, packet_size, param)) {
+ return -1;
+ }
+ } else if (param->protocol == IPPROTO_UDP) {
+ if (net_state->platform.ip4_socket_raw) {
+ send_socket = net_state->platform.udp4_send_socket;
} else {
- errno = EINVAL;
+ send_socket = net_state->platform.ip4_txrx_udp_socket;
+ }
+
+ if (construct_udp4_packet
+ (net_state, probe, packet_buffer, packet_size, param)) {
return -1;
}
+ } else {
+ errno = EINVAL;
+ return -1;
}
+
if (is_stream_protocol) {
send_socket =
open_stream_socket(net_state, param->protocol, probe->sequence,
@@ -608,54 +569,51 @@ int construct_ip4_packet(
#endif
/*
- Bind src port when not using raw socket to pass in ICMP id, kernel
- get ICMP id from src_port when using DGRAM socket.
+ Check the current socket address, and if it is the same
+ as the source address we intend, we will skip the bind.
+ This is to accommodate Solaris, which, as of Solaris 11.3,
+ will return an EINVAL error on bind if the socket is already
+ bound, even if the same address is used.
*/
- if (!net_state->platform.ip4_socket_raw &&
- param->protocol == IPPROTO_ICMP &&
- !param->is_probing_byte_order) {
- current_sockaddr_len = sizeof(struct sockaddr_in);
- bind_send_socket = true;
- socket = net_state->platform.ip4_txrx_icmp_socket;
- if (getsockname(socket, (struct sockaddr *) &current_sockaddr,
- &current_sockaddr_len)) {
- return -1;
- }
- struct sockaddr_in *sin_cur =
- (struct sockaddr_in *) &current_sockaddr;
+ current_sockaddr_len = sizeof(struct sockaddr_in);
+ if (getsockname(send_socket, (struct sockaddr *) &current_sockaddr,
+ &current_sockaddr_len) == 0) {
+ struct sockaddr_in *sin_cur = (struct sockaddr_in *) &current_sockaddr;
- /* avoid double bind */
- if (sin_cur->sin_port) {
- bind_send_socket = false;
+ if (net_state->platform.ip4_socket_raw) {
+ if (memcmp(&current_sockaddr,
+ &probe->local_addr, sizeof(struct sockaddr_in)) == 0) {
+ bind_send_socket = false;
+ }
+ } else {
+ /* avoid double bind for DGRAM socket */
+ if (sin_cur->sin_port) {
+ bind_send_socket = false;
+ }
}
}
/* Bind to our local address */
- if (bind_send_socket && bind(socket, (struct sockaddr *)&probe->local_addr,
+ if (bind_send_socket && bind(send_socket, (struct sockaddr *)&probe->local_addr,
sizeof(struct sockaddr_in))) {
return -1;
}
- /* set TOS and TTL for non-raw socket */
- if (!net_state->platform.ip4_socket_raw && !param->is_probing_byte_order) {
- if (param->protocol == IPPROTO_ICMP) {
- socket = net_state->platform.ip4_txrx_icmp_socket;
- } else if (param->protocol == IPPROTO_UDP) {
- socket = net_state->platform.ip4_txrx_udp_socket;
- } else {
- return 0;
- }
- tos = param->type_of_service;
- if (setsockopt(socket, SOL_IP, IP_TOS, &tos, sizeof(int))) {
- return -1;
- }
- ttl = param->ttl;
- if (setsockopt(socket, SOL_IP, IP_TTL,
- &ttl, sizeof(int)) == -1) {
- return -1;
- }
+ /* Set the type of service */
+ tos = param->type_of_service;
+ if (setsockopt(send_socket, SOL_IP, IP_TOS, &tos, sizeof(int))) {
+ return -1;
}
+ /* Set the time-to-live */
+ ttl = param->ttl;
+ if (setsockopt(send_socket, SOL_IP, IP_TTL,
+ &ttl, sizeof(int)) == -1) {
+ return -1;
+ }
+
+
+
return 0;
}
diff --git a/packet/probe_unix.c b/packet/probe_unix.c
index e77e46f..3be1f55 100644
--- a/packet/probe_unix.c
+++ b/packet/probe_unix.c
@@ -87,16 +87,21 @@ int send_packet(
} else if (sockaddr->ss_family == AF_INET) {
sockaddr_length = sizeof(struct sockaddr_in);
- if (net_state->platform.ip4_socket_raw) {
- send_socket = net_state->platform.ip4_send_socket;
- } else {
- if (param->protocol == IPPROTO_ICMP) {
- if (param->is_probing_byte_order) {
- send_socket = net_state->platform.ip4_tmp_icmp_socket;;
- } else {
- send_socket = net_state->platform.ip4_txrx_icmp_socket;
- }
- } else if (param->protocol == IPPROTO_UDP) {
+ if (param->protocol == IPPROTO_ICMP) {
+ if (net_state->platform.ip4_socket_raw) {
+ send_socket = net_state->platform.icmp4_send_socket;
+ } else {
+ send_socket = net_state->platform.ip4_txrx_icmp_socket;
+ }
+ } else if (param->protocol == IPPROTO_UDP) {
+ if (net_state->platform.ip4_socket_raw) {
+ send_socket = net_state->platform.udp4_send_socket;
+ /* we got a ipv4 udp raw socket
+ * the remote port is in the payload
+ * we do not set in the sockaddr
+ */
+ *sockaddr_port_offset(&dst) = 0;
+ } else {
send_socket = net_state->platform.ip4_txrx_udp_socket;
if (param->dest_port) {
*sockaddr_port_offset(&dst) = htons(param->dest_port);
@@ -105,6 +110,7 @@ int send_packet(
}
}
}
+
}
if (send_socket == 0) {
@@ -236,26 +242,19 @@ static
int open_ip4_sockets_raw(
struct net_state_t *net_state)
{
- int send_socket;
+ int send_socket_icmp;
+ int send_socket_udp;
int recv_socket;
- int trueopt = 1;
- send_socket = socket(AF_INET, SOCK_RAW, IPPROTO_RAW);
- if (send_socket == -1) {
- send_socket = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP);
- if (send_socket == -1) {
- return -1;
- }
+ send_socket_icmp = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP);
+ if (send_socket_icmp == -1) {
+ return -1;
}
- /*
- We will be including the IP header in transmitted packets.
- Linux doesn't require this, but BSD derived network stacks do.
- */
- if (setsockopt
- (send_socket, IPPROTO_IP, IP_HDRINCL, &trueopt, sizeof(int))) {
+ send_socket_udp = socket(AF_INET, SOCK_RAW, IPPROTO_UDP);
+ if (send_socket_udp == -1) {
+ close(send_socket_icmp);
- close(send_socket);
return -1;
}
@@ -265,13 +264,15 @@ int open_ip4_sockets_raw(
*/
recv_socket = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP);
if (recv_socket == -1) {
- close(send_socket);
+ close(send_socket_icmp);
+ close(send_socket_udp);
return -1;
}
net_state->platform.ip4_present = true;
net_state->platform.ip4_socket_raw = true;
- net_state->platform.ip4_send_socket = send_socket;
+ net_state->platform.icmp4_send_socket = send_socket_icmp;
+ net_state->platform.udp4_send_socket = send_socket_udp;
net_state->platform.ip4_recv_socket = recv_socket;
return 0;
diff --git a/packet/probe_unix.h b/packet/probe_unix.h
index 0ce7657..c6309e6 100644
--- a/packet/probe_unix.h
+++ b/packet/probe_unix.h
@@ -54,8 +54,11 @@ struct net_state_platform_t {
/* true if ipv6 socket is raw socket */
bool ip6_socket_raw;
- /* Socket used to send raw IPv4 packets */
- int ip4_send_socket;
+ /* Send socket for ICMPv6 packets */
+ int icmp4_send_socket;
+
+ /* Send socket for UDPv6 packets */
+ int udp4_send_socket;
/* Socket used to receive IPv4 ICMP replies */
int ip4_recv_socket;

12
net-analyzer/mtr/metadata.xml Normal file
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@ -0,0 +1,12 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>netmon@gentoo.org</email>
<name>Gentoo network monitoring and analysis project</name>
</maintainer>
<use>
<flag name='ipinfo'>Disable support for IP address lookups</flag>
<flag name='jansson'>Enable JSON output support through <pkg>dev-libs/jansson</pkg></flag>
</use>
</pkgmetadata>

62
net-analyzer/mtr/mtr-0.94-r1.ebuild Normal file
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@ -0,0 +1,62 @@
# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit autotools bash-completion-r1 fcaps
DESCRIPTION="My TraceRoute, an Excellent network diagnostic tool"
HOMEPAGE="https://www.bitwizard.nl/mtr/"
SRC_URI="https://github.com/traviscross/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos"
IUSE="gtk +ipinfo +ipv6 jansson ncurses"
RDEPEND="
gtk? (
dev-libs/glib:2
x11-libs/gtk+:3
)
jansson? ( dev-libs/jansson )
ncurses? ( sys-libs/ncurses:0= )
"
DEPEND="
${RDEPEND}
"
BDEPEND="
virtual/pkgconfig
"
DOCS=( AUTHORS FORMATS NEWS README.md SECURITY TODO )
FILECAPS=( cap_net_raw usr/sbin/mtr-packet )
PATCHES=(
"${FILESDIR}/${PN}-0.88-tinfo.patch"
"${FILESDIR}/${P}-ipv4-sockets.patch"
)
RESTRICT="test"
src_prepare() {
default
eautoreconf
}
src_configure() {
econf \
$(use_enable ipv6) \
$(use_with gtk) \
$(use_with ipinfo) \
$(use_with jansson) \
$(use_with ncurses) \
--with-bashcompletiondir="$(get_bashcompdir)"
}
pkg_postinst() {
fcaps_pkg_postinst
if use prefix && [[ ${CHOST} == *-darwin* ]] ; then
ewarn "mtr needs root privileges to run. To grant them:"
ewarn " % sudo chown root ${EPREFIX}/usr/sbin/mtr"
ewarn " % sudo chmod u+s ${EPREFIX}/usr/sbin/mtr"
fi
}