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744 lines
22 KiB
744 lines
22 KiB
7 years ago
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From 72d9c7dbb01afb26faf141fbec17e2af70ea729c Mon Sep 17 00:00:00 2001
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From: David Vossel <dvossel@redhat.com>
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Date: Mon, 4 Nov 2013 15:03:23 -0600
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Subject: [PATCH] High: IPv6addr: Split send_ua utility out of IPv6addr.c source so it can be re-used in IPaddr2 without requiring cluster-glue.
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---
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configure.ac | 3 +-
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doc/man/Makefile.am | 2 +-
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heartbeat/IPv6addr.c | 198 +++-----------------------------------------
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heartbeat/IPv6addr_utils.c | 147 ++++++++++++++++++++++++++++++++
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heartbeat/Makefile.am | 14 ++-
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heartbeat/send_ua.c | 127 ++++++++++++++++++++++++++++
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include/IPv6addr.h | 58 +++++++++++++
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include/Makefile.am | 2 +-
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8 files changed, 356 insertions(+), 195 deletions(-)
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create mode 100644 heartbeat/IPv6addr_utils.c
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create mode 100644 heartbeat/send_ua.c
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create mode 100644 include/IPv6addr.h
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diff --git a/configure.ac b/configure.ac
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index f88a20f..ac669d8 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -714,7 +714,8 @@ AM_CONDITIONAL(USE_LIBNET, test "x$libnet_version" != "xnone" )
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dnl ************************************************************************
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dnl * Check for netinet/icmp6.h to enable the IPv6addr resource agent
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AC_CHECK_HEADERS(netinet/icmp6.h,[],[],[#include <sys/types.h>])
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-AM_CONDITIONAL(USE_IPV6ADDR, test "$ac_cv_header_netinet_icmp6_h" = yes && test "$ac_cv_header_heartbeat_glue_config_h" = yes)
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+AM_CONDITIONAL(USE_IPV6ADDR_AGENT, test "$ac_cv_header_netinet_icmp6_h" = yes && test "$ac_cv_header_heartbeat_glue_config_h" = yes)
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+AM_CONDITIONAL(IPV6ADDR_COMPATIBLE, test "$ac_cv_header_netinet_icmp6_h" = yes)
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dnl ========================================================================
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dnl Compiler flags
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diff --git a/doc/man/Makefile.am b/doc/man/Makefile.am
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index 347c145..3bf569a 100644
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--- a/doc/man/Makefile.am
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+++ b/doc/man/Makefile.am
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@@ -134,7 +134,7 @@ man_MANS = ocf_heartbeat_AoEtarget.7 \
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ocf_heartbeat_vmware.7 \
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ocf_heartbeat_zabbixserver.7
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-if USE_IPV6ADDR
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+if USE_IPV6ADDR_AGENT
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man_MANS += ocf_heartbeat_IPv6addr.7
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endif
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diff --git a/heartbeat/IPv6addr.c b/heartbeat/IPv6addr.c
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index fab59f5..7c1d20d 100644
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--- a/heartbeat/IPv6addr.c
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+++ b/heartbeat/IPv6addr.c
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@@ -86,6 +86,7 @@
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*/
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#include <config.h>
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+#include <IPv6addr.h>
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#include <stdio.h>
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#include <stdlib.h>
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@@ -134,9 +135,7 @@
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#define OCF_ERR_CONFIGURED 6
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#define OCF_NOT_RUNNING 7
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-const char* IF_INET6 = "/proc/net/if_inet6";
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const char* APP_NAME = "IPv6addr";
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-const char* APP_NAME_SUA = "send_ua";
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const char* START_CMD = "start";
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const char* STOP_CMD = "stop";
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@@ -148,12 +147,8 @@ const char* RELOAD_CMD = "reload";
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const char* META_DATA_CMD = "meta-data";
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const char* VALIDATE_CMD = "validate-all";
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-char BCAST_ADDR[] = "ff02::1";
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-const int UA_REPEAT_COUNT = 5;
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const int QUERY_COUNT = 5;
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-#define HWADDR_LEN 6 /* mac address length */
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-
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struct in6_ifreq {
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struct in6_addr ifr6_addr;
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uint32_t ifr6_prefixlen;
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@@ -169,7 +164,6 @@ static int meta_data_addr6(void);
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static void usage(const char* self);
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-static void usage_send_ua(const char* self);
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int write_pid_file(const char *pid_file);
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int create_pid_directory(const char *pid_file);
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static void byebye(int nsig);
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@@ -181,7 +175,6 @@ static char* get_if(struct in6_addr* addr_target, int* plen_target, char* prov_i
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static int assign_addr6(struct in6_addr* addr6, int prefix_len, char* if_name);
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static int unassign_addr6(struct in6_addr* addr6, int prefix_len, char* if_name);
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int is_addr6_available(struct in6_addr* addr6);
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-static int send_ua(struct in6_addr* src_ip, char* if_name);
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int
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main(int argc, char* argv[])
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@@ -190,40 +183,11 @@ main(int argc, char* argv[])
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char* ipv6addr;
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char* cidr_netmask;
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int ret;
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- int count = UA_REPEAT_COUNT;
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- int interval = 1000; /* default 1000 msec */
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- int senduaflg = 0;
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- int ch;
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- int i;
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char* cp;
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char* prov_ifname = NULL;
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int prefix_len = -1;
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struct in6_addr addr6;
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- /* Check binary name */
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- if (strcmp(basename(argv[0]), APP_NAME_SUA) == 0) {
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- senduaflg = 1;
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- if (argc < 4) {
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- usage_send_ua(argv[0]);
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- return OCF_ERR_ARGS;
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- }
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- while ((ch = getopt(argc, argv, "h?c:i:")) != EOF) {
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- switch(ch) {
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- case 'c': /* count option */
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- count = atoi(optarg);
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- break;
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- case 'i': /* interval option */
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- interval = atoi(optarg);
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- break;
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- case 'h':
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- case '?':
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- default:
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- usage_send_ua(argv[0]);
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- return OCF_ERR_ARGS;
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- }
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- }
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- }
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-
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/* Check the count of parameters first */
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if (argc < 2) {
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usage(argv[0]);
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@@ -235,11 +199,7 @@ main(int argc, char* argv[])
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signal(SIGTERM, byebye);
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/* open system log */
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- if (senduaflg) {
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- cl_log_set_entity(APP_NAME_SUA);
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- } else {
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- cl_log_set_entity(APP_NAME);
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- }
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+ cl_log_set_entity(APP_NAME);
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cl_log_set_facility(LOG_DAEMON);
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/* the meta-data dont need any parameter */
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@@ -248,12 +208,9 @@ main(int argc, char* argv[])
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return OCF_SUCCESS;
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}
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- if (senduaflg) {
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- ipv6addr = argv[optind];
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- } else {
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- /* check the OCF_RESKEY_ipv6addr parameter, should be an IPv6 address */
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- ipv6addr = getenv("OCF_RESKEY_ipv6addr");
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- }
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+ /* check the OCF_RESKEY_ipv6addr parameter, should be an IPv6 address */
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+ ipv6addr = getenv("OCF_RESKEY_ipv6addr");
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+
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if (ipv6addr == NULL) {
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cl_log(LOG_ERR, "Please set OCF_RESKEY_ipv6addr to the IPv6 address you want to manage.");
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usage(argv[0]);
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@@ -271,12 +228,9 @@ main(int argc, char* argv[])
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*cp=0;
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}
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- if (senduaflg) {
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- cidr_netmask = argv[optind+1];
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- } else {
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- /* get provided netmask (optional) */
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- cidr_netmask = getenv("OCF_RESKEY_cidr_netmask");
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- }
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+ /* get provided netmask (optional) */
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+ cidr_netmask = getenv("OCF_RESKEY_cidr_netmask");
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+
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if (cidr_netmask != NULL) {
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if ((atol(cidr_netmask) < 0) || (atol(cidr_netmask) > 128)) {
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cl_log(LOG_ERR, "Invalid prefix_len [%s], "
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@@ -294,12 +248,9 @@ main(int argc, char* argv[])
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prefix_len = 0;
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}
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- if (senduaflg) {
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- prov_ifname = argv[optind+2];
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- } else {
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- /* get provided interface name (optional) */
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- prov_ifname = getenv("OCF_RESKEY_nic");
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- }
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+ /* get provided interface name (optional) */
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+ prov_ifname = getenv("OCF_RESKEY_nic");
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+
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if (inet_pton(AF_INET6, ipv6addr, &addr6) <= 0) {
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cl_log(LOG_ERR, "Invalid IPv6 address [%s]", ipv6addr);
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usage(argv[0]);
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@@ -312,15 +263,6 @@ main(int argc, char* argv[])
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return OCF_ERR_GENERIC;
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}
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- if (senduaflg) {
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- /* Send unsolicited advertisement packet to neighbor */
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- for (i = 0; i < count; i++) {
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- send_ua(&addr6, prov_ifname);
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- usleep(interval * 1000);
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- }
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- return OCF_SUCCESS;
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- }
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-
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/* create the pid file so we can make sure that only one IPv6addr
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* for this address is running
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*/
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@@ -467,118 +409,6 @@ monitor_addr6(struct in6_addr* addr6, int prefix_len)
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return OCF_NOT_RUNNING;
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}
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-/* Send an unsolicited advertisement packet
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- * Please refer to rfc4861 / rfc3542
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- */
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-int
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-send_ua(struct in6_addr* src_ip, char* if_name)
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-{
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- int status = -1;
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- int fd;
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-
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- int ifindex;
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- int hop;
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- struct ifreq ifr;
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- u_int8_t *payload = NULL;
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- int payload_size;
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- struct nd_neighbor_advert *na;
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- struct nd_opt_hdr *opt;
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- struct sockaddr_in6 src_sin6;
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- struct sockaddr_in6 dst_sin6;
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-
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- if ((fd = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6)) == -1) {
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- cl_log(LOG_ERR, "socket(IPPROTO_ICMPV6) failed: %s",
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- strerror(errno));
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- return status;
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- }
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- /* set the outgoing interface */
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- ifindex = if_nametoindex(if_name);
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- if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_IF,
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- &ifindex, sizeof(ifindex)) < 0) {
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- cl_log(LOG_ERR, "setsockopt(IPV6_MULTICAST_IF) failed: %s",
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- strerror(errno));
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- goto err;
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- }
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- /* set the hop limit */
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- hop = 255; /* 255 is required. see rfc4861 7.1.2 */
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- if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS,
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- &hop, sizeof(hop)) < 0) {
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- cl_log(LOG_ERR, "setsockopt(IPV6_MULTICAST_HOPS) failed: %s",
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- strerror(errno));
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- goto err;
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- }
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-
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- /* set the source address */
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- memset(&src_sin6, 0, sizeof(src_sin6));
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- src_sin6.sin6_family = AF_INET6;
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- src_sin6.sin6_addr = *src_ip;
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- src_sin6.sin6_port = 0;
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- if (IN6_IS_ADDR_LINKLOCAL(&src_sin6.sin6_addr) ||
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- IN6_IS_ADDR_MC_LINKLOCAL(&src_sin6.sin6_addr)) {
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- src_sin6.sin6_scope_id = ifindex;
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- }
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-
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- if (bind(fd, (struct sockaddr *)&src_sin6, sizeof(src_sin6)) < 0) {
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- cl_log(LOG_ERR, "bind() failed: %s", strerror(errno));
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- goto err;
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- }
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-
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-
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- /* get the hardware address */
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- memset(&ifr, 0, sizeof(ifr));
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- strncpy(ifr.ifr_name, if_name, sizeof(ifr.ifr_name) - 1);
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- if (ioctl(fd, SIOCGIFHWADDR, &ifr) < 0) {
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- cl_log(LOG_ERR, "ioctl(SIOCGIFHWADDR) failed: %s", strerror(errno));
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- goto err;
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- }
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-
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- /* build a neighbor advertisement message */
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- payload_size = sizeof(struct nd_neighbor_advert)
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- + sizeof(struct nd_opt_hdr) + HWADDR_LEN;
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- payload = memalign(sysconf(_SC_PAGESIZE), payload_size);
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- if (!payload) {
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- cl_log(LOG_ERR, "malloc for payload failed");
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- goto err;
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- }
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- memset(payload, 0, payload_size);
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-
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- /* Ugly typecast from ia64 hell! */
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- na = (struct nd_neighbor_advert *)((void *)payload);
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- na->nd_na_type = ND_NEIGHBOR_ADVERT;
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- na->nd_na_code = 0;
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- na->nd_na_cksum = 0; /* calculated by kernel */
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- na->nd_na_flags_reserved = ND_NA_FLAG_OVERRIDE;
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- na->nd_na_target = *src_ip;
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-
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- /* options field; set the target link-layer address */
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- opt = (struct nd_opt_hdr *)(payload + sizeof(struct nd_neighbor_advert));
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- opt->nd_opt_type = ND_OPT_TARGET_LINKADDR;
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- opt->nd_opt_len = 1; /* The length of the option in units of 8 octets */
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- memcpy(payload + sizeof(struct nd_neighbor_advert)
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- + sizeof(struct nd_opt_hdr),
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- &ifr.ifr_hwaddr.sa_data, HWADDR_LEN);
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-
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- /* sending an unsolicited neighbor advertisement to all */
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- memset(&dst_sin6, 0, sizeof(dst_sin6));
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- dst_sin6.sin6_family = AF_INET6;
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- inet_pton(AF_INET6, BCAST_ADDR, &dst_sin6.sin6_addr); /* should not fail */
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-
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- if (sendto(fd, payload, payload_size, 0,
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- (struct sockaddr *)&dst_sin6, sizeof(dst_sin6))
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- != payload_size) {
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- cl_log(LOG_ERR, "sendto(%s) failed: %s",
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- if_name, strerror(errno));
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- goto err;
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- }
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-
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- status = 0;
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-
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-err:
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- close(fd);
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- free(payload);
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- return status;
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-}
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-
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/* find the network interface associated with an address */
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char*
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scan_if(struct in6_addr* addr_target, int* plen_target, int use_mask, char* prov_ifname)
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@@ -822,12 +652,6 @@ static void usage(const char* self)
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return;
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}
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-static void usage_send_ua(const char* self)
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-{
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- printf("usage: %s [-i[=Interval]] [-c[=Count]] [-h] IPv6-Address Prefix Interface\n",self);
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- return;
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-}
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-
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/* Following code is copied from send_arp.c, linux-HA project. */
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void
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byebye(int nsig)
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diff --git a/heartbeat/IPv6addr_utils.c b/heartbeat/IPv6addr_utils.c
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new file mode 100644
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|
index 0000000..7672b70
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--- /dev/null
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+++ b/heartbeat/IPv6addr_utils.c
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@@ -0,0 +1,147 @@
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+
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+/*
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+ * This program manages IPv6 address with OCF Resource Agent standard.
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+ *
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+ * Author: Huang Zhen <zhenh@cn.ibm.com>
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+ * Copyright (c) 2004 International Business Machines
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+ *
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+ * This library is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License
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+ * as published by the Free Software Foundation; either version 2
|
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+ * of the License, or (at your option) any later version.
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+ *
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+ * This library is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
+ * GNU General Public License for more details.
|
||
|
+ *
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||
|
+ * You should have received a copy of the GNU General Public License
|
||
|
+ * along with this program; if not, write to the Free Software
|
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|
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||
|
+ */
|
||
|
+
|
||
|
+#include <IPv6addr.h>
|
||
|
+
|
||
|
+#include <stdio.h>
|
||
|
+#include <stdlib.h>
|
||
|
+#include <malloc.h>
|
||
|
+#include <unistd.h>
|
||
|
+#include <sys/socket.h>
|
||
|
+#include <arpa/inet.h> /* for inet_pton */
|
||
|
+#include <net/if.h> /* for if_nametoindex */
|
||
|
+#include <sys/ioctl.h>
|
||
|
+#include <fcntl.h>
|
||
|
+#include <signal.h>
|
||
|
+#include <errno.h>
|
||
|
+
|
||
|
+/* Send an unsolicited advertisement packet
|
||
|
+ * Please refer to rfc4861 / rfc3542
|
||
|
+ */
|
||
|
+int
|
||
|
+send_ua(struct in6_addr* src_ip, char* if_name)
|
||
|
+{
|
||
|
+ int status = -1;
|
||
|
+ int fd;
|
||
|
+
|
||
|
+ int ifindex;
|
||
|
+ int hop;
|
||
|
+ struct ifreq ifr;
|
||
|
+ u_int8_t *payload = NULL;
|
||
|
+ int payload_size;
|
||
|
+ struct nd_neighbor_advert *na;
|
||
|
+ struct nd_opt_hdr *opt;
|
||
|
+ struct sockaddr_in6 src_sin6;
|
||
|
+ struct sockaddr_in6 dst_sin6;
|
||
|
+
|
||
|
+ if ((fd = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6)) == -1) {
|
||
|
+ printf("ERROR: socket(IPPROTO_ICMPV6) failed: %s",
|
||
|
+ strerror(errno));
|
||
|
+ return status;
|
||
|
+ }
|
||
|
+ /* set the outgoing interface */
|
||
|
+ ifindex = if_nametoindex(if_name);
|
||
|
+ if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_IF,
|
||
|
+ &ifindex, sizeof(ifindex)) < 0) {
|
||
|
+ printf("ERROR: setsockopt(IPV6_MULTICAST_IF) failed: %s",
|
||
|
+ strerror(errno));
|
||
|
+ goto err;
|
||
|
+ }
|
||
|
+ /* set the hop limit */
|
||
|
+ hop = 255; /* 255 is required. see rfc4861 7.1.2 */
|
||
|
+ if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS,
|
||
|
+ &hop, sizeof(hop)) < 0) {
|
||
|
+ printf("ERROR: setsockopt(IPV6_MULTICAST_HOPS) failed: %s",
|
||
|
+ strerror(errno));
|
||
|
+ goto err;
|
||
|
+ }
|
||
|
+
|
||
|
+ /* set the source address */
|
||
|
+ memset(&src_sin6, 0, sizeof(src_sin6));
|
||
|
+ src_sin6.sin6_family = AF_INET6;
|
||
|
+ src_sin6.sin6_addr = *src_ip;
|
||
|
+ src_sin6.sin6_port = 0;
|
||
|
+ if (IN6_IS_ADDR_LINKLOCAL(&src_sin6.sin6_addr) ||
|
||
|
+ IN6_IS_ADDR_MC_LINKLOCAL(&src_sin6.sin6_addr)) {
|
||
|
+ src_sin6.sin6_scope_id = ifindex;
|
||
|
+ }
|
||
|
+
|
||
|
+ if (bind(fd, (struct sockaddr *)&src_sin6, sizeof(src_sin6)) < 0) {
|
||
|
+ printf("ERROR: bind() failed: %s", strerror(errno));
|
||
|
+ goto err;
|
||
|
+ }
|
||
|
+
|
||
|
+
|
||
|
+ /* get the hardware address */
|
||
|
+ memset(&ifr, 0, sizeof(ifr));
|
||
|
+ strncpy(ifr.ifr_name, if_name, sizeof(ifr.ifr_name) - 1);
|
||
|
+ if (ioctl(fd, SIOCGIFHWADDR, &ifr) < 0) {
|
||
|
+ printf("ERROR: ioctl(SIOCGIFHWADDR) failed: %s", strerror(errno));
|
||
|
+ goto err;
|
||
|
+ }
|
||
|
+
|
||
|
+ /* build a neighbor advertisement message */
|
||
|
+ payload_size = sizeof(struct nd_neighbor_advert)
|
||
|
+ + sizeof(struct nd_opt_hdr) + HWADDR_LEN;
|
||
|
+ payload = memalign(sysconf(_SC_PAGESIZE), payload_size);
|
||
|
+ if (!payload) {
|
||
|
+ printf("ERROR: malloc for payload failed");
|
||
|
+ goto err;
|
||
|
+ }
|
||
|
+ memset(payload, 0, payload_size);
|
||
|
+
|
||
|
+ /* Ugly typecast from ia64 hell! */
|
||
|
+ na = (struct nd_neighbor_advert *)((void *)payload);
|
||
|
+ na->nd_na_type = ND_NEIGHBOR_ADVERT;
|
||
|
+ na->nd_na_code = 0;
|
||
|
+ na->nd_na_cksum = 0; /* calculated by kernel */
|
||
|
+ na->nd_na_flags_reserved = ND_NA_FLAG_OVERRIDE;
|
||
|
+ na->nd_na_target = *src_ip;
|
||
|
+
|
||
|
+ /* options field; set the target link-layer address */
|
||
|
+ opt = (struct nd_opt_hdr *)(payload + sizeof(struct nd_neighbor_advert));
|
||
|
+ opt->nd_opt_type = ND_OPT_TARGET_LINKADDR;
|
||
|
+ opt->nd_opt_len = 1; /* The length of the option in units of 8 octets */
|
||
|
+ memcpy(payload + sizeof(struct nd_neighbor_advert)
|
||
|
+ + sizeof(struct nd_opt_hdr),
|
||
|
+ &ifr.ifr_hwaddr.sa_data, HWADDR_LEN);
|
||
|
+
|
||
|
+ /* sending an unsolicited neighbor advertisement to all */
|
||
|
+ memset(&dst_sin6, 0, sizeof(dst_sin6));
|
||
|
+ dst_sin6.sin6_family = AF_INET6;
|
||
|
+ inet_pton(AF_INET6, BCAST_ADDR, &dst_sin6.sin6_addr); /* should not fail */
|
||
|
+
|
||
|
+ if (sendto(fd, payload, payload_size, 0,
|
||
|
+ (struct sockaddr *)&dst_sin6, sizeof(dst_sin6))
|
||
|
+ != payload_size) {
|
||
|
+ printf("ERROR: sendto(%s) failed: %s",
|
||
|
+ if_name, strerror(errno));
|
||
|
+ goto err;
|
||
|
+ }
|
||
|
+
|
||
|
+ status = 0;
|
||
|
+
|
||
|
+err:
|
||
|
+ close(fd);
|
||
|
+ free(payload);
|
||
|
+ return status;
|
||
|
+}
|
||
|
diff --git a/heartbeat/Makefile.am b/heartbeat/Makefile.am
|
||
|
index 0ce1c13..3393640 100644
|
||
|
--- a/heartbeat/Makefile.am
|
||
|
+++ b/heartbeat/Makefile.am
|
||
|
@@ -32,19 +32,23 @@ ocfdir = $(OCF_RA_DIR_PREFIX)/heartbeat
|
||
|
dtddir = $(datadir)/$(PACKAGE_NAME)
|
||
|
dtd_DATA = ra-api-1.dtd
|
||
|
|
||
|
-if USE_IPV6ADDR
|
||
|
+if USE_IPV6ADDR_AGENT
|
||
|
ocf_PROGRAMS = IPv6addr
|
||
|
-halib_PROGRAMS = send_ua
|
||
|
else
|
||
|
ocf_PROGRAMS =
|
||
|
+endif
|
||
|
+
|
||
|
+if IPV6ADDR_COMPATIBLE
|
||
|
+halib_PROGRAMS = send_ua
|
||
|
+else
|
||
|
halib_PROGRAMS =
|
||
|
endif
|
||
|
|
||
|
-IPv6addr_SOURCES = IPv6addr.c
|
||
|
-send_ua_SOURCES = IPv6addr.c
|
||
|
+IPv6addr_SOURCES = IPv6addr.c IPv6addr_utils.c
|
||
|
+send_ua_SOURCES = send_ua.c IPv6addr_utils.c
|
||
|
|
||
|
IPv6addr_LDADD = -lplumb $(LIBNETLIBS)
|
||
|
-send_ua_LDADD = -lplumb $(LIBNETLIBS)
|
||
|
+send_ua_LDADD = $(LIBNETLIBS)
|
||
|
|
||
|
ocf_SCRIPTS = ClusterMon \
|
||
|
CTDB \
|
||
|
diff --git a/heartbeat/send_ua.c b/heartbeat/send_ua.c
|
||
|
new file mode 100644
|
||
|
index 0000000..ef5357b
|
||
|
--- /dev/null
|
||
|
+++ b/heartbeat/send_ua.c
|
||
|
@@ -0,0 +1,127 @@
|
||
|
+
|
||
|
+/*
|
||
|
+ * This program manages IPv6 address with OCF Resource Agent standard.
|
||
|
+ *
|
||
|
+ * Author: Huang Zhen <zhenh@cn.ibm.com>
|
||
|
+ * Copyright (c) 2004 International Business Machines
|
||
|
+ *
|
||
|
+ * This library is free software; you can redistribute it and/or
|
||
|
+ * modify it under the terms of the GNU General Public License
|
||
|
+ * as published by the Free Software Foundation; either version 2
|
||
|
+ * of the License, or (at your option) any later version.
|
||
|
+ *
|
||
|
+ * This library is distributed in the hope that it will be useful,
|
||
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
+ * GNU General Public License for more details.
|
||
|
+ *
|
||
|
+ * You should have received a copy of the GNU General Public License
|
||
|
+ * along with this program; if not, write to the Free Software
|
||
|
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||
|
+ */
|
||
|
+
|
||
|
+#include <IPv6addr.h>
|
||
|
+
|
||
|
+#include <stdio.h>
|
||
|
+#include <stdlib.h>
|
||
|
+#include <malloc.h>
|
||
|
+#include <unistd.h>
|
||
|
+#include <sys/socket.h>
|
||
|
+#include <arpa/inet.h> /* for inet_pton */
|
||
|
+#include <net/if.h> /* for if_nametoindex */
|
||
|
+#include <sys/ioctl.h>
|
||
|
+#include <fcntl.h>
|
||
|
+#include <signal.h>
|
||
|
+#include <errno.h>
|
||
|
+
|
||
|
+static void usage_send_ua(const char* self);
|
||
|
+static void byebye(int nsig);
|
||
|
+
|
||
|
+int
|
||
|
+main(int argc, char* argv[])
|
||
|
+{
|
||
|
+ char* ipv6addr;
|
||
|
+ int count = UA_REPEAT_COUNT;
|
||
|
+ int interval = 1000; /* default 1000 msec */
|
||
|
+ int ch;
|
||
|
+ int i;
|
||
|
+ char* cp;
|
||
|
+ char* prov_ifname = NULL;
|
||
|
+ struct in6_addr addr6;
|
||
|
+
|
||
|
+ /* Check binary name */
|
||
|
+ if (argc < 4) {
|
||
|
+ usage_send_ua(argv[0]);
|
||
|
+ return OCF_ERR_ARGS;
|
||
|
+ }
|
||
|
+ while ((ch = getopt(argc, argv, "h?c:i:")) != EOF) {
|
||
|
+ switch(ch) {
|
||
|
+ case 'c': /* count option */
|
||
|
+ count = atoi(optarg);
|
||
|
+ break;
|
||
|
+ case 'i': /* interval option */
|
||
|
+ interval = atoi(optarg);
|
||
|
+ break;
|
||
|
+ case 'h':
|
||
|
+ case '?':
|
||
|
+ default:
|
||
|
+ usage_send_ua(argv[0]);
|
||
|
+ return OCF_ERR_ARGS;
|
||
|
+ }
|
||
|
+ }
|
||
|
+
|
||
|
+ /* set termination signal */
|
||
|
+ siginterrupt(SIGTERM, 1);
|
||
|
+ signal(SIGTERM, byebye);
|
||
|
+
|
||
|
+ ipv6addr = argv[optind];
|
||
|
+
|
||
|
+ if (ipv6addr == NULL) {
|
||
|
+ printf("ERROR: Please set OCF_RESKEY_ipv6addr to the IPv6 address you want to manage.");
|
||
|
+ usage_send_ua(argv[0]);
|
||
|
+ return OCF_ERR_ARGS;
|
||
|
+ }
|
||
|
+
|
||
|
+ /* legacy option */
|
||
|
+ if ((cp = strchr(ipv6addr, '/'))) {
|
||
|
+ *cp=0;
|
||
|
+ }
|
||
|
+
|
||
|
+ prov_ifname = argv[optind+2];
|
||
|
+
|
||
|
+ if (inet_pton(AF_INET6, ipv6addr, &addr6) <= 0) {
|
||
|
+ printf("ERROR: Invalid IPv6 address [%s]", ipv6addr);
|
||
|
+ usage_send_ua(argv[0]);
|
||
|
+ return OCF_ERR_ARGS;
|
||
|
+ }
|
||
|
+
|
||
|
+ /* Check whether this system supports IPv6 */
|
||
|
+ if (access(IF_INET6, R_OK)) {
|
||
|
+ printf("ERROR: No support for INET6 on this system.");
|
||
|
+ return OCF_ERR_GENERIC;
|
||
|
+ }
|
||
|
+
|
||
|
+ /* Send unsolicited advertisement packet to neighbor */
|
||
|
+ for (i = 0; i < count; i++) {
|
||
|
+ send_ua(&addr6, prov_ifname);
|
||
|
+ usleep(interval * 1000);
|
||
|
+ }
|
||
|
+
|
||
|
+ return OCF_SUCCESS;
|
||
|
+}
|
||
|
+
|
||
|
+static void usage_send_ua(const char* self)
|
||
|
+{
|
||
|
+ printf("usage: %s [-i[=Interval]] [-c[=Count]] [-h] IPv6-Address Prefix Interface\n",self);
|
||
|
+ return;
|
||
|
+}
|
||
|
+
|
||
|
+/* Following code is copied from send_arp.c, linux-HA project. */
|
||
|
+void
|
||
|
+byebye(int nsig)
|
||
|
+{
|
||
|
+ (void)nsig;
|
||
|
+ /* Avoid an "error exit" log message if we're killed */
|
||
|
+ exit(0);
|
||
|
+}
|
||
|
+
|
||
|
diff --git a/include/IPv6addr.h b/include/IPv6addr.h
|
||
|
new file mode 100644
|
||
|
index 0000000..720edf9
|
||
|
--- /dev/null
|
||
|
+++ b/include/IPv6addr.h
|
||
|
@@ -0,0 +1,58 @@
|
||
|
+/*
|
||
|
+ * This program manages IPv6 address with OCF Resource Agent standard.
|
||
|
+ *
|
||
|
+ * Author: Huang Zhen <zhenh@cn.ibm.com>
|
||
|
+ * Copyright (c) 2004 International Business Machines
|
||
|
+ *
|
||
|
+ * This library is free software; you can redistribute it and/or
|
||
|
+ * modify it under the terms of the GNU General Public License
|
||
|
+ * as published by the Free Software Foundation; either version 2
|
||
|
+ * of the License, or (at your option) any later version.
|
||
|
+ *
|
||
|
+ * This library is distributed in the hope that it will be useful,
|
||
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
+ * GNU General Public License for more details.
|
||
|
+ *
|
||
|
+ * You should have received a copy of the GNU General Public License
|
||
|
+ * along with this program; if not, write to the Free Software
|
||
|
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||
|
+ */
|
||
|
+
|
||
|
+#ifndef OCF_IPV6_HELPER_H
|
||
|
+#define OCF_IPV6_HELPER_H
|
||
|
+#include <netinet/icmp6.h>
|
||
|
+#include <config.h>
|
||
|
+/*
|
||
|
+0 No error, action succeeded completely
|
||
|
+1 generic or unspecified error (current practice)
|
||
|
+ The "monitor" operation shall return this for a crashed, hung or
|
||
|
+ otherwise non-functional resource.
|
||
|
+2 invalid or excess argument(s)
|
||
|
+ Likely error code for validate-all, if the instance parameters
|
||
|
+ do not validate. Any other action is free to also return this
|
||
|
+ exit status code for this case.
|
||
|
+3 unimplemented feature (for example, "reload")
|
||
|
+4 user had insufficient privilege
|
||
|
+5 program is not installed
|
||
|
+6 program is not configured
|
||
|
+7 program is not running
|
||
|
+8 resource is running in "master" mode and fully operational
|
||
|
+9 resource is in "master" mode but in a failed state
|
||
|
+*/
|
||
|
+#define OCF_SUCCESS 0
|
||
|
+#define OCF_ERR_GENERIC 1
|
||
|
+#define OCF_ERR_ARGS 2
|
||
|
+#define OCF_ERR_UNIMPLEMENTED 3
|
||
|
+#define OCF_ERR_PERM 4
|
||
|
+#define OCF_ERR_INSTALLED 5
|
||
|
+#define OCF_ERR_CONFIGURED 6
|
||
|
+#define OCF_NOT_RUNNING 7
|
||
|
+
|
||
|
+#define HWADDR_LEN 6 /* mac address length */
|
||
|
+#define UA_REPEAT_COUNT 5
|
||
|
+#define BCAST_ADDR "ff02::1"
|
||
|
+#define IF_INET6 "/proc/net/if_inet6"
|
||
|
+
|
||
|
+int send_ua(struct in6_addr* src_ip, char* if_name);
|
||
|
+#endif
|
||
|
diff --git a/include/Makefile.am b/include/Makefile.am
|
||
|
index 5381ce0..6f46ec3 100644
|
||
|
--- a/include/Makefile.am
|
||
|
+++ b/include/Makefile.am
|
||
|
@@ -21,4 +21,4 @@ MAINTAINERCLEANFILES = Makefile.in config.h.in config.h.in~
|
||
|
idir=$(includedir)/heartbeat
|
||
|
i_HEADERS = agent_config.h
|
||
|
|
||
|
-noinst_HEADERS = config.h
|
||
|
+noinst_HEADERS = config.h IPv6addr.h
|
||
|
--
|
||
|
1.7.1
|
||
|
|