[oe-commits] [meta-openembedded] 17/62: net-snmp: fix snmptrap to use clientaddr from snmp.conf.

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martin_jansa pushed a commit to branch morty-next
in repository meta-openembedded.

commit 52a4839bf725993c90ea48f7b118770ae6e247d8
Author: Li Zhou <li.zhou at windriver.com>
AuthorDate: Wed Nov 23 12:10:39 2016 +0800

    net-snmp: fix snmptrap to use clientaddr from snmp.conf.
    
    Under IPv6 IP-multihomed environment, the socket does not bind to the
    clientaddr indicated in snmp.conf when sending snmptrap and it might
    choose a random one.
    Backport the patch from net-snmp upstream to fix it.
    
    Signed-off-by: Li Zhou <li.zhou at windriver.com>
    Signed-off-by: Martin Jansa <Martin.Jansa at gmail.com>
    Signed-off-by: Joe MacDonald <joe_macdonald at mentor.com>
    Signed-off-by: Armin Kuster <akuster808 at gmail.com>
---
 ...ix-snmptrap-to-use-clientaddr-from-snmp.c.patch | 48 ++++++++++++++++++++++
 .../recipes-protocols/net-snmp/net-snmp_5.7.3.bb   |  1 +
 2 files changed, 49 insertions(+)

diff --git a/meta-networking/recipes-protocols/net-snmp/net-snmp/0001-BUG-a2584-Fix-snmptrap-to-use-clientaddr-from-snmp.c.patch b/meta-networking/recipes-protocols/net-snmp/net-snmp/0001-BUG-a2584-Fix-snmptrap-to-use-clientaddr-from-snmp.c.patch
new file mode 100644
index 0000000..b05eea5
--- /dev/null
+++ b/meta-networking/recipes-protocols/net-snmp/net-snmp/0001-BUG-a2584-Fix-snmptrap-to-use-clientaddr-from-snmp.c.patch
@@ -0,0 +1,48 @@
+From a92628a163ebf1ea62220684736300461c003875 Mon Sep 17 00:00:00 2001
+From: Niels Baggesen <nba at users.sourceforge.net>
+Date: Mon, 26 Jan 2015 20:26:06 +0100
+Subject: [PATCH] BUG#a2584: Fix snmptrap to use clientaddr from snmp.conf.
+ Thanks to rizwan
+
+Upstream-Status: backport
+
+Signed-off-by: Li Zhou <li.zhou at windriver.com>
+---
+ snmplib/transports/snmpUDPIPv6Domain.c | 21 +++++++++++++++++++++
+ 1 file changed, 21 insertions(+)
+
+diff --git a/snmplib/transports/snmpUDPIPv6Domain.c b/snmplib/transports/snmpUDPIPv6Domain.c
+index 55e3610..aca69ae 100644
+--- a/snmplib/transports/snmpUDPIPv6Domain.c
++++ b/snmplib/transports/snmpUDPIPv6Domain.c
+@@ -256,6 +256,27 @@ netsnmp_udp6_transport(struct sockaddr_in6 *addr, int local)
+         t->data = NULL;
+         t->data_length = 0;
+     } else {
++        char           *client_socket = NULL;
++        /*
++         * This is a client session.  If we've been given a
++         * client address to send from, then bind to that.
++         * Otherwise the send will use "something sensible".
++         */
++
++        client_socket = netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID,
++                                    NETSNMP_DS_LIB_CLIENT_ADDR);
++        if (client_socket) {
++            struct sockaddr_in6 client_addr;
++            netsnmp_sockaddr_in6_2(&client_addr, client_socket, NULL);
++            rc = bind(t->sock, (struct sockaddr *)&client_addr,
++                              sizeof(struct sockaddr_in6));
++            if ( rc != 0 ) {
++                DEBUGMSGTL(("netsnmp_udp6", "failed to bind for clientaddr: %d %s\n",
++                                 errno, strerror(errno)));
++                netsnmp_socketbase_close(t);
++                netsnmp_transport_free(t);
++            }
++        }
+         /*
+          * This is a client session.  Save the address in the
+          * transport-specific data pointer for later use by netsnmp_udp6_send.
+-- 
+2.9.3
+
diff --git a/meta-networking/recipes-protocols/net-snmp/net-snmp_5.7.3.bb b/meta-networking/recipes-protocols/net-snmp/net-snmp_5.7.3.bb
index 1997d5c..1400287 100644
--- a/meta-networking/recipes-protocols/net-snmp/net-snmp_5.7.3.bb
+++ b/meta-networking/recipes-protocols/net-snmp/net-snmp_5.7.3.bb
@@ -24,6 +24,7 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/net-snmp/net-snmp-${PV}.zip \
            file://0001-snmplib-keytools.c-Don-t-check-for-return-from-EVP_M.patch \
            file://net-snmp-agentx-crash.patch \
            file://0001-get_pid_from_inode-Include-limit.h.patch \
+           file://0001-BUG-a2584-Fix-snmptrap-to-use-clientaddr-from-snmp.c.patch \
            "
 SRC_URI[md5sum] = "9f682bd70c717efdd9f15b686d07baee"
 SRC_URI[sha256sum] = "e8dfc79b6539b71a6ff335746ce63d2da2239062ad41872fff4354cafed07a3e"

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