struct in_addr target_ip;
} ATTRIBUTE_PACKED;
+enum {
/* 169.254.0.0 */
-static const uint32_t LINKLOCAL_ADDR = 0xa9fe0000;
+ LINKLOCAL_ADDR = 0xa9fe0000,
/* protocol timeout parameters, specified in seconds */
-static const unsigned PROBE_WAIT = 1;
-static const unsigned PROBE_MIN = 1;
-static const unsigned PROBE_MAX = 2;
-static const unsigned PROBE_NUM = 3;
-static const unsigned MAX_CONFLICTS = 10;
-static const unsigned RATE_LIMIT_INTERVAL = 60;
-static const unsigned ANNOUNCE_WAIT = 2;
-static const unsigned ANNOUNCE_NUM = 2;
-static const unsigned ANNOUNCE_INTERVAL = 2;
-static const time_t DEFEND_INTERVAL = 10;
+ PROBE_WAIT = 1,
+ PROBE_MIN = 1,
+ PROBE_MAX = 2,
+ PROBE_NUM = 3,
+ MAX_CONFLICTS = 10,
+ RATE_LIMIT_INTERVAL = 60,
+ ANNOUNCE_WAIT = 2,
+ ANNOUNCE_NUM = 2,
+ ANNOUNCE_INTERVAL = 2,
+ DEFEND_INTERVAL = 10
+};
static const unsigned char ZCIP_VERSION[] = "0.75 (18 April 2005)";
static char *prog;
execl(script, script, arg, NULL);
perror("execl");
_exit(EXIT_FAILURE);
- }
+ }
if (waitpid(pid, &status, 0) <= 0) {
why = "waitpid";
goto fail;
} else {
struct ifreq ifr;
- short seed[3];
+ unsigned short seed[3];
// get the interface's ethernet address
memset(&ifr, 0, sizeof (ifr));
fds[0].events = POLLIN;
fds[0].revents = 0;
- // poll, being ready to adjust current timeout
+ // poll, being ready to adjust current timeout
if (timeout > 0) {
gettimeofday(&tv1, NULL);
tv1.tv_usec += (timeout % 1000) * 1000;
gettimeofday(&tv2, NULL);
if (timercmp(&tv1, &tv2, <)) {
- timeout = -1;
+ timeout = 0;
} else {
timersub(&tv1, &tv2, &tv1);
timeout = 1000 * tv1.tv_sec
&& p.arp.ar_op != htons(ARPOP_REPLY))
continue;
- // some cases are always conflicts
+ // some cases are always conflicts
if ((p.source_ip.s_addr == ip.s_addr)
&& (memcmp(&addr, &p.source_addr,
ETH_ALEN) != 0)) {
bad:
if (foreground)
perror(why);
- else
+ else
syslog(LOG_ERR, "%s %s, %s error: %s",
prog, intf, why, strerror(errno));
return EXIT_FAILURE;