resources/heartbeat/IPv6addr.c is no longer used in the build,
nor included in the tarball. I guess it was just left behind
when heartbeat/IPv6addr was converted into a wrapper script.
Index: heartbeat-ipv6addr/resources/heartbeat/IPv6addr.c
===================================================================
--- heartbeat-ipv6addr.orig/resources/heartbeat/IPv6addr.c 2007-04-13
15:57:21.000000000 +0900
+++ /dev/null 1970-01-01 00:00:00.000000000 +0000
@@ -1,781 +0,0 @@
-
-/*
- * This program manages IPv6 address.
- *
- * Author: Huang Zhen <[EMAIL PROTECTED]>
- * Copyright (c) 2004 International Business Machines
- *
- * This program 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 program 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/*
- * It can add an IPv6 address, or remove one.
- *
- * Usage: IPv6addr ipv6-address {start|stop|status|monitor}
- *
- * The "start" arg adds an IPv6 address.
- * The "stop" arg removes one.
- * The "status" arg shows whether the IPv6 address exists
- * The "monitor" arg shows whether the IPv6 address can be pinged (ICMPv6 ECHO)
- */
-
-/*
- * ipv6-address:
- *
- * currently the following forms are legal:
- * address
- * address/prefix
- *
- * E.g.
- * 3ffe:ffff:0:f101::1
- * 3ffe:ffff:0:f101::1/64
- *
- */
-
-/*
- * start:
- * 1.IPv6addr will choice a proper interface for the new address.
- * 2.Then assign the new address to the interface.
- * 3.Wait until the new address is available (reply ICMPv6 ECHO packet)
- * 4.Send out the unsolicited advertisements.
- *
- * return 0(LSB_EXIT_OK) for success
- * return 1(LSB_EXIT_GENERIC) for failure
- *
- *
- * stop:
- * remove the address from the inferface.
- *
- * return 0(LSB_EXIT_OK) for success
- * return 1(LSB_EXIT_GENERIC) for failure
- *
- * status:
- * return the status of the address. only check whether it exists.
- *
- * return 0(LSB_STATUS_OK) for existing
- * return 1(LSB_STATUS_STOPPED) for not existing
- *
- *
- * monitor:
- * ping the address by ICMPv6 ECHO request.
- *
- * return 0(LSB_STATUS_OK) for response correctly.
- * return 1(LSB_STATUS_STOPPED) for no response.
- *
- */
-
-#include "lha_internal.h"
-
-#include <libgen.h>
-#include <syslog.h>
-#include <clplumbing/cl_log.h>
-#include <libnet.h>
-#include <clplumbing/lsb_exitcodes.h>
-
-
-
-#define PIDDIR HA_VARRUNDIR
-#define PIDFILE_BASE PIDDIR "/IPv6addr-"
-
-
-
-const char* IF_INET6 = "/proc/net/if_inet6";
-const char* APP_NAME = "IPv6addr";
-
-const char* START_CMD = "start";
-const char* STOP_CMD = "stop";
-const char* STATUS_CMD = "status";
-const char* MONITOR_CMD = "monitor";
-const char* ADVT_CMD = "advt";
-char BCAST_ADDR[] = "ff02::1";
-const int UA_REPEAT_COUNT = 5;
-const int QUERY_COUNT = 5;
-
-struct in6_ifreq {
- struct in6_addr ifr6_addr;
- uint32_t ifr6_prefixlen;
- unsigned int ifr6_ifindex;
-};
-
-static int start_addr6(struct in6_addr* addr6, int prefix_len);
-static int stop_addr6(struct in6_addr* addr6, int prefix_len);
-static int status_addr6(struct in6_addr* addr6, int prefix_len);
-static int monitor_addr6(struct in6_addr* addr6, int prefix_len);
-static int advt_addr6(struct in6_addr* addr6, int prefix_len);
-
-
-static void usage(const char* self);
-int write_pid_file(const char *pid_file);
-int create_pid_directory(const char *pid_file);
-static void byebye(int nsig);
-
-static char* find_if(struct in6_addr* addr_target, int* plen_target);
-static char* get_if(struct in6_addr* addr_target, int* plen_target);
-static int assign_addr6(struct in6_addr* addr6, int prefix_len, char* if_name);
-static int unassign_addr6(struct in6_addr* addr6, int prefix_len, char*
if_name);
-int is_addr6_available(struct in6_addr* addr6);
-static int send_ua(struct in6_addr* src_ip, char* if_name);
-
-int
-main(int argc, char* argv[])
-{
- char pid_file[256];
- int ret;
- char* cp;
- int prefix_len;
- struct in6_addr addr6;
-
- /* Check the count of parameters first */
- if (argc < 3) {
- usage(argv[0]);
- return EXIT_FAILURE;
- }
-
- /* set termination signal */
- siginterrupt(SIGTERM, 1);
- signal(SIGTERM, byebye);
-
- /* open system log */
- cl_log_set_entity(APP_NAME);
- cl_log_set_facility(LOG_DAEMON);
-
- /* check the first parameter, should be a IPv6 address */
- if ((cp = strchr(argv[1], '/'))) {
- prefix_len = atol(cp + 1);
- if ((prefix_len < 0) || (prefix_len > 128)) {
- usage(argv[0]);
- return EXIT_FAILURE;
- }
- *cp=0;
- } else {
- prefix_len = 0;
- }
-
- if (inet_pton(AF_INET6, argv[1], &addr6) <= 0) {
- usage(argv[0]);
- return EXIT_FAILURE;
- }
-
- /* Check whether this system supports IPv6 */
- if (access(IF_INET6, R_OK)) {
- cl_log(LOG_ERR, "No support for INET6 on this system.");
- return EXIT_FAILURE;
- }
-
- /* create the pid file so we can make sure that only one IPv6addr
- * for this address is running
- */
- if (snprintf(pid_file, sizeof(pid_file), "%s%s", PIDFILE_BASE, argv[1])
- >= (int)sizeof(pid_file)) {
- cl_log(LOG_ERR, "Pid file truncated");
- return EXIT_FAILURE;
- }
-
- if (write_pid_file(pid_file) < 0) {
- return EXIT_FAILURE;
- }
-
-
- /* switch the command */
- if (0 == strncmp(START_CMD,argv[2], strlen(START_CMD))) {
- ret = start_addr6(&addr6, prefix_len);
- }else if (0 == strncmp(STOP_CMD,argv[2], strlen(STOP_CMD))) {
- ret = stop_addr6(&addr6, prefix_len);
- }else if (0 == strncmp(STATUS_CMD,argv[2], strlen(STATUS_CMD))) {
- ret = status_addr6(&addr6, prefix_len);
- }else if (0 ==strncmp(MONITOR_CMD,argv[2], strlen(MONITOR_CMD))) {
- ret = monitor_addr6(&addr6, prefix_len);
- }else if (0 ==strncmp(ADVT_CMD,argv[2], strlen(MONITOR_CMD))) {
- ret = advt_addr6(&addr6, prefix_len);
- }else{
- usage(argv[0]);
- ret = EXIT_FAILURE;
- }
-
- /* release the pid file */
- unlink(pid_file);
-
- return ret;
-}
-int
-start_addr6(struct in6_addr* addr6, int prefix_len)
-{
- /* First, we need to find a proper device to assign the address */
- int i;
- char* if_name = find_if(addr6, &prefix_len);
- if (NULL == if_name) {
- cl_log(LOG_ERR, "no valid mecahnisms");
- return LSB_EXIT_GENERIC;
- }
-
- /* Assign the address */
- if (0 != assign_addr6(addr6, prefix_len, if_name)) {
- cl_log(LOG_ERR, "failed to assign the address to %s", if_name);
- return LSB_EXIT_GENERIC;
- }
-
- /* Check whether the address available */
- for (i = 0; i < QUERY_COUNT; i++) {
- if (0 == is_addr6_available(addr6)) {
- break;
- }
- sleep(1);
- }
- if (i == QUERY_COUNT) {
- cl_log(LOG_ERR, "failed to ping the address");
- return LSB_EXIT_GENERIC;
- }
-
- /* Send unsolicited advertisement packet to neighbor */
- for (i = 0; i < UA_REPEAT_COUNT; i++) {
- send_ua(addr6, if_name);
- sleep(1);
- }
- return LSB_EXIT_OK;
-}
-
-int
-advt_addr6(struct in6_addr* addr6, int prefix_len)
-{
- /* First, we need to find a proper device to assign the address */
- char* if_name = get_if(addr6, &prefix_len);
- int i;
- if (NULL == if_name) {
- cl_log(LOG_ERR, "no valid mecahnisms");
- return LSB_EXIT_GENERIC;
- }
- /* Send unsolicited advertisement packet to neighbor */
- for (i = 0; i < UA_REPEAT_COUNT; i++) {
- send_ua(addr6, if_name);
- sleep(1);
- }
- return LSB_STATUS_OK;
-}
-
-int
-stop_addr6(struct in6_addr* addr6, int prefix_len)
-{
- char* if_name = get_if(addr6, &prefix_len);
-
- if (NULL == if_name) {
- cl_log(LOG_ERR, "no valid mechanisms.");
- /* I think this should be a success exit according to LSB. */
- return LSB_EXIT_GENERIC;
- }
-
- /* Unassign the address */
- if (0 != unassign_addr6(addr6, prefix_len, if_name)) {
- cl_log(LOG_ERR, "failed to assign the address to %s", if_name);
- return LSB_EXIT_GENERIC;
- }
-
- return LSB_EXIT_OK;
-}
-
-int
-status_addr6(struct in6_addr* addr6, int prefix_len)
-{
- char* if_name = get_if(addr6, &prefix_len);
- if (NULL == if_name) {
- printf("stopped\n");
- return LSB_STATUS_STOPPED;
- }
- printf("running\n");
- return LSB_STATUS_OK;
-}
-
-int
-monitor_addr6(struct in6_addr* addr6, int prefix_len)
-{
- if(0 == is_addr6_available(addr6)) {
- printf("OK\n");
- return LSB_STATUS_OK;
- }
- printf("down\n");
- return LSB_STATUS_STOPPED;
-
-}
-
-/* Send an unsolicited advertisement packet
- * Please refer to rfc2461
- */
-int
-send_ua(struct in6_addr* src_ip, char* if_name)
-{
- libnet_t *l;
- char errbuf[LIBNET_ERRBUF_SIZE];
-
- struct libnet_in6_addr dst_ip;
- struct libnet_ether_addr *mac_address;
- char payload[24];
-
-
- if ((l=libnet_init(LIBNET_RAW6, if_name, errbuf)) == NULL) {
- cl_log(LOG_ERR, "libnet_init failure on %s", if_name);
- return -1;
- }
-
- mac_address = libnet_get_hwaddr(l);
- if (!mac_address) {
- cl_log(LOG_ERR, "libnet_get_hwaddr: %s", errbuf);
- return -1;
- }
-
- dst_ip = libnet_name2addr6(l, BCAST_ADDR, LIBNET_DONT_RESOLVE);
-
- memcpy(payload,src_ip->s6_addr,16);
- payload[16] = 2; /* 2 for Target Link-layer Address */
- payload[17] = 1; /* The length of the option */
- memcpy(payload+18,mac_address->ether_addr_octet, 6);
-
- libnet_seed_prand(l);
- /* 0x2000: RSO */
- libnet_build_icmpv4_echo(136,0,0,0x2000,0,(u_int8_t *)payload
- ,sizeof(payload), l,LIBNET_PTAG_INITIALIZER);
- libnet_build_ipv6(0,0,LIBNET_ICMPV6_H + sizeof(payload),IPPROTO_ICMP6,
- 255,*(struct libnet_in6_addr*)src_ip,
- dst_ip,NULL,0,l,0);
-
- if (libnet_write(l) == -1)
- {
- cl_log(LOG_ERR, "libnet_write: %s", libnet_geterror(l));
- return -1;
- }
-
- return 0;
-}
-
-/* find a proper network interface to assign the address */
-char*
-find_if(struct in6_addr* addr_target, int* plen_target)
-{
- FILE *f;
- char addr6[40];
- static char devname[20]="";
- struct in6_addr addr;
- struct in6_addr mask;
- unsigned int plen, scope, dad_status, if_idx;
- char addr6p[8][5];
-
- /* open /proc/net/if_inet6 file */
- if ((f = fopen(IF_INET6, "r")) == NULL) {
- return NULL;
- }
-
- /* Loop for each entry */
- while ( fscanf(f,"%4s%4s%4s%4s%4s%4s%4s%4s %02x %02x %02x %02x %20s\n",
- addr6p[0], addr6p[1], addr6p[2], addr6p[3],
- addr6p[4], addr6p[5], addr6p[6], addr6p[7],
- &if_idx, &plen, &scope, &dad_status, devname) != EOF){
-
- int i;
- int n;
- int s;
- gboolean same = TRUE;
-
- sprintf(addr6, "%s:%s:%s:%s:%s:%s:%s:%s",
- addr6p[0], addr6p[1], addr6p[2], addr6p[3],
- addr6p[4], addr6p[5], addr6p[6], addr6p[7]);
-
- /* Only Global address entry would be considered.
- * maybe change?
- */
- if (0 != scope) {
- continue;
- }
-
- /* If specified prefix, only same prefix entry
- * would be considered.
- */
- if (*plen_target!=0 && plen != *plen_target) {
- continue;
- }
- *plen_target = plen;
-
- /* Convert string to sockaddr_in6 */
- inet_pton(AF_INET6, addr6, &addr);
-
- /* Make the mask based on prefix length */
- for (i = 0; i < 16; i++) {
- mask.s6_addr[i] = 0;
- }
- n = plen / 8;
- for (i = 0; i < n+1; i++) {
- mask.s6_addr[i] = 0xFF;
- }
- s = 8 - plen % 8;
- mask.s6_addr[n]<<=s;
-
- /* compare addr and addr_target */
- same = TRUE;
- for (i = 0; i < 16; i++) {
- if ((addr.s6_addr[i]&mask.s6_addr[i]) !=
- (addr_target->s6_addr[i]&mask.s6_addr[i])) {
- same = FALSE;
- break;
- }
- }
-
- /* We found it! */
- if (same) {
- fclose(f);
- return devname;
- }
- }
- fclose(f);
- return NULL;
-}
-/* get the device name and the plen_target of a special address */
-char*
-get_if(struct in6_addr* addr_target, int* plen_target)
-{
- FILE *f;
- char addr6[40];
- static char devname[20]="";
- struct in6_addr addr;
- unsigned int plen, scope, dad_status, if_idx;
- char addr6p[8][5];
-
- /* open /proc/net/if_inet6 file */
- if ((f = fopen(IF_INET6, "r")) == NULL) {
- return NULL;
- }
- /* loop for each entry */
- while ( fscanf(f,"%4s%4s%4s%4s%4s%4s%4s%4s %02x %02x %02x %02x %20s\n",
- addr6p[0], addr6p[1], addr6p[2], addr6p[3],
- addr6p[4], addr6p[5], addr6p[6], addr6p[7],
- &if_idx, &plen, &scope, &dad_status, devname) != EOF) {
-
- sprintf(addr6, "%s:%s:%s:%s:%s:%s:%s:%s",
- addr6p[0], addr6p[1], addr6p[2], addr6p[3],
- addr6p[4], addr6p[5], addr6p[6], addr6p[7]);
-
- /* Only Global address entry would be considered.
- * maybe change
- */
- if (0 != scope) {
- continue;
- }
-
- /* "if" specified prefix, only same prefix entry
- * would be considered.
- */
- if (*plen_target!=0 && plen != *plen_target) {
- continue;
- }
- *plen_target = plen;
-
- /* Convert to sockaddr_in6 */
- inet_pton(AF_INET6, addr6, &addr);
-
- /* We found it! */
- if (0 == memcmp(&addr, addr_target,sizeof(addr))) {
- fclose(f);
- return devname;
- }
- }
- fclose(f);
- return NULL;
-}
-int
-assign_addr6(struct in6_addr* addr6, int prefix_len, char* if_name)
-{
- struct in6_ifreq ifr6;
-
- /* Get socket first */
- int fd;
- struct ifreq ifr;
-
- fd = socket(AF_INET6, SOCK_DGRAM, 0);
- if (fd < 0) {
- return 1;
- }
-
- /* Query the index of the if */
- strcpy(ifr.ifr_name, if_name);
- if (ioctl(fd, SIOGIFINDEX, &ifr) < 0) {
- return -1;
- }
-
- /* Assign the address to the if */
- ifr6.ifr6_addr = *addr6;
- ifr6.ifr6_ifindex = ifr.ifr_ifindex;
- ifr6.ifr6_prefixlen = prefix_len;
- if (ioctl(fd, SIOCSIFADDR, &ifr6) < 0) {
- return -1;
- }
- close (fd);
- return 0;
-}
-int
-unassign_addr6(struct in6_addr* addr6, int prefix_len, char* if_name)
-{
- int fd;
- struct ifreq ifr;
- struct in6_ifreq ifr6;
-
- /* Get socket first */
- fd = socket(AF_INET6, SOCK_DGRAM, 0);
- if (fd < 0) {
- return 1;
- }
-
- /* Query the index of the if */
- strcpy(ifr.ifr_name, if_name);
- if (ioctl(fd, SIOGIFINDEX, &ifr) < 0) {
- return -1;
- }
-
- /* Unassign the address to the if */
- ifr6.ifr6_addr = *addr6;
- ifr6.ifr6_ifindex = ifr.ifr_ifindex;
- ifr6.ifr6_prefixlen = prefix_len;
- if (ioctl(fd, SIOCDIFADDR, &ifr6) < 0) {
- return -1;
- }
-
- close (fd);
- return 0;
-}
-#define MINPACKSIZE 64
-int
-is_addr6_available(struct in6_addr* addr6)
-{
- struct sockaddr_in6 addr;
- struct libnet_icmpv6_hdr icmph;
- u_char outpack[MINPACKSIZE];
- int icmp_sock;
- int ret;
- struct iovec iov;
- u_char packet[MINPACKSIZE];
- struct msghdr msg;
-
- icmp_sock = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6);
- memset(&icmph, 0, sizeof(icmph));
- icmph.icmp_type = ICMP6_ECHO;
- icmph.icmp_code = 0;
- icmph.icmp_sum = 0;
- icmph.seq = htons(0);
- icmph.id = 0;
-
- memset(&outpack, 0, sizeof(outpack));
- memcpy(&outpack, &icmph, sizeof(icmph));
-
- memset(&addr, 0, sizeof(struct sockaddr_in6));
- addr.sin6_family = AF_INET6;
- addr.sin6_port = htons(IPPROTO_ICMPV6);
- memcpy(&addr.sin6_addr,addr6,sizeof(struct in6_addr));
-
- /* Only the first 8 bytes of outpack are meaningful... */
- ret = sendto(icmp_sock, (char *)outpack, sizeof(outpack), 0,
- (struct sockaddr *) &addr,
- sizeof(struct sockaddr_in6));
- if (0 >= ret) {
- return -1;
- }
-
- iov.iov_base = (char *)packet;
- iov.iov_len = sizeof(packet);
-
- msg.msg_name = &addr;
- msg.msg_namelen = sizeof(addr);
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
- msg.msg_control = NULL;
- msg.msg_controllen = 0;
-
- ret = recvmsg(icmp_sock, &msg, MSG_DONTWAIT);
- if (0 >= ret) {
- return -1;
- }
-
- return 0;
-}
-
-static void usage(const char* self)
-{
- printf("usage: %s ip-address {start|stop|status|monitor}\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);
-}
-
-int
-create_pid_directory(const char *pid_file)
-{
- int status;
- struct stat stat_buf;
- char* dir;
-
- dir = strdup(pid_file);
- if (!dir) {
- cl_log(LOG_INFO, "Memory allocation failure: %s",
- strerror(errno));
- return -1;
- }
-
- dirname(dir);
-
- status = stat(dir, &stat_buf);
-
- if (status < 0 && errno != ENOENT && errno != ENOTDIR) {
- cl_log(LOG_INFO, "Could not stat pid-file directory "
- "[%s]: %s", dir, strerror(errno));
- free(dir);
- return -1;
- }
-
- if (!status) {
- if (S_ISDIR(stat_buf.st_mode)) {
- return 0;
- }
- cl_log(LOG_INFO, "Pid-File directory exists but is "
- "not a directory [%s]", dir);
- free(dir);
- return -1;
- }
-
- if (mkdir(dir, S_IRUSR|S_IWUSR|S_IXUSR | S_IRGRP|S_IXGRP) < 0) {
- cl_log(LOG_INFO, "Could not create pid-file directory "
- "[%s]: %s", dir, strerror(errno));
- free(dir);
- return -1;
- }
-
- return 0;
-}
-
-int
-write_pid_file(const char *pid_file)
-{
-
- int pidfilefd;
- char pidbuf[11];
- unsigned long pid;
- ssize_t bytes;
-
- if (*pid_file != '/') {
- cl_log(LOG_INFO, "Invalid pid-file name, must begin with a "
- "'/' [%s]\n", pid_file);
- return -1;
- }
-
- if (create_pid_directory(pid_file) < 0) {
- return -1;
- }
-
- while (1) {
- pidfilefd = open(pid_file, O_CREAT|O_EXCL|O_RDWR,
- S_IRUSR|S_IWUSR);
- if (pidfilefd < 0) {
- if (errno != EEXIST) { /* Old PID file */
- cl_log(LOG_INFO, "Could not open pid-file "
- "[%s]: %s", pid_file,
- strerror(errno));
- return -1;
- }
- }
- else {
- break;
- }
-
- pidfilefd = open(pid_file, O_RDONLY, S_IRUSR|S_IWUSR);
- if (pidfilefd < 0) {
- cl_log(LOG_INFO, "Could not open pid-file "
- "[%s]: %s", pid_file,
- strerror(errno));
- return -1;
- }
-
- while (1) {
- bytes = read(pidfilefd, pidbuf, sizeof(pidbuf)-1);
- if (bytes < 0) {
- if (errno == EINTR) {
- continue;
- }
- cl_log(LOG_INFO, "Could not read pid-file "
- "[%s]: %s", pid_file,
- strerror(errno));
- return -1;
- }
- pidbuf[bytes] = '\0';
- break;
- }
-
- if(unlink(pid_file) < 0) {
- cl_log(LOG_INFO, "Could not delete pid-file "
- "[%s]: %s", pid_file,
- strerror(errno));
- return -1;
- }
-
- if (!bytes) {
- cl_log(LOG_INFO, "Invalid pid in pid-file "
- "[%s]: %s", pid_file,
- strerror(errno));
- return -1;
- }
-
- close(pidfilefd);
-
- pid = strtoul(pidbuf, NULL, 10);
- if (pid == ULONG_MAX && errno == ERANGE) {
- cl_log(LOG_INFO, "Invalid pid in pid-file "
- "[%s]: %s", pid_file,
- strerror(errno));
- return -1;
- }
-
- if (kill(pid, SIGKILL) < 0 && errno != ESRCH) {
- cl_log(LOG_INFO, "Error killing old proccess [%lu] "
- "from pid-file [%s]: %s", pid,
- pid_file, strerror(errno));
- return -1;
- }
-
- cl_log(LOG_INFO, "Killed old send_arp process [%lu]", pid);
- }
-
- if (snprintf(pidbuf, sizeof(pidbuf), "%u"
- , getpid()) >= (int)sizeof(pidbuf)) {
- cl_log(LOG_INFO, "Pid too long for buffer [%u]", getpid());
- return -1;
- }
-
- while (1) {
- bytes = write(pidfilefd, pidbuf, strlen(pidbuf));
- if (bytes != strlen(pidbuf)) {
- if (bytes < 0 && errno == EINTR) {
- continue;
- }
- cl_log(LOG_INFO, "Could not write pid-file "
- "[%s]: %s", pid_file,
- strerror(errno));
- return -1;
- }
- break;
- }
-
- close(pidfilefd);
-
- return 0;
-}
--
--
Horms
H: http://www.vergenet.net/~horms/
W: http://www.valinux.co.jp/en/
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