/**
- * Copyright (C) 2012-2013 Steven Barth <steven@midlink.org>
+ * Copyright (C) 2012-2014 Steven Barth <steven@midlink.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License v2 as published by
static bool bound = false, release = true;
static time_t last_update = 0;
+static unsigned int min_update_interval = DEFAULT_MIN_UPDATE_INTERVAL;
+
int main(_unused int argc, char* const argv[])
{
// Allocate ressources
uint8_t buf[134];
char *optpos;
uint16_t opttype;
+ uint16_t optlen;
enum odhcp6c_ia_mode ia_na_mode = IA_MODE_TRY;
- enum odhcp6c_ia_mode ia_pd_mode = IA_MODE_TRY;
+ enum odhcp6c_ia_mode ia_pd_mode = IA_MODE_NONE;
int ia_pd_iaid_index = 0;
static struct in6_addr ifid = IN6ADDR_ANY_INIT;
int sol_timeout = DHCPV6_SOL_MAX_RT;
int c;
unsigned int client_options = DHCPV6_CLIENT_FQDN | DHCPV6_ACCEPT_RECONFIGURE;
- while ((c = getopt(argc, argv, "S::N:P:FB:c:i:r:Rs:kt:hedp:fa")) != -1) {
+ while ((c = getopt(argc, argv, "S::N:V:P:FB:c:i:r:Ru:s:kt:m:hedp:fa")) != -1) {
switch (c) {
case 'S':
allow_slaac_only = (optarg) ? atoi(optarg) : -1;
}
break;
+ case 'V':
+ l = script_unhexlify(buf, sizeof(buf), optarg);
+ if (!l)
+ help=true;
+
+ odhcp6c_add_state(STATE_VENDORCLASS, buf, l);
+
+ break;
case 'P':
+ if (ia_pd_mode == IA_MODE_NONE)
+ ia_pd_mode = IA_MODE_TRY;
+
if (allow_slaac_only >= 0 && allow_slaac_only < 10)
allow_slaac_only = 10;
int prefix_length = strtoul(optarg, &iaid_begin, 10);
- if (*iaid_begin != '\0' && *iaid_begin != ',') {
+ if (*iaid_begin != '\0' && *iaid_begin != ',' && *iaid_begin != ':') {
syslog(LOG_ERR, "invalid argument: '%s'", optarg);
return 1;
}
if (*iaid_begin == ',' && (iaid_len = strlen(iaid_begin)) > 1)
memcpy(&prefix.iaid, iaid_begin + 1, iaid_len > 4 ? 4 : iaid_len);
+ else if (*iaid_begin == ':')
+ prefix.iaid = htonl((uint32_t)strtoul(&iaid_begin[1], NULL, 16));
else
- prefix.iaid = ++ia_pd_iaid_index;
+ prefix.iaid = htonl(++ia_pd_iaid_index);
odhcp6c_add_state(STATE_IA_PD_INIT, &prefix, sizeof(prefix));
client_options |= DHCPV6_STRICT_OPTIONS;
break;
+ case 'u':
+ optlen = htons(strlen(optarg));
+ odhcp6c_add_state(STATE_USERCLASS, &optlen, 2);
+ odhcp6c_add_state(STATE_USERCLASS, optarg, strlen(optarg));
+ break;
+
case 's':
script = optarg;
break;
sol_timeout = atoi(optarg);
break;
+ case 'm':
+ min_update_interval = atoi(optarg);
+ break;
+
case 'e':
logopt |= LOG_PERROR;
break;
pidfile = pidbuf;
}
- int fd = open(pidfile, O_WRONLY | O_CREAT);
+ int fd = open(pidfile, O_WRONLY | O_CREAT, 0644);
if (fd >= 0) {
char buf[8];
int len = snprintf(buf, sizeof(buf), "%i\n", getpid());
break; // Other signal type
// Send renew as T1 expired
- size_t ia_pd_len, ia_na_len;
- odhcp6c_get_state(STATE_IA_PD, &ia_pd_len);
- odhcp6c_get_state(STATE_IA_NA, &ia_na_len);
-
- // If we have any IAs, send renew, otherwise request
- if (ia_pd_len == 0 && ia_na_len == 0)
- res = dhcpv6_request(DHCPV6_MSG_REQUEST);
- else
- res = dhcpv6_request(DHCPV6_MSG_RENEW);
-
+ res = dhcpv6_request(DHCPV6_MSG_RENEW);
odhcp6c_signal_process();
if (res > 0) { // Renew was succesfull
// Publish updates
odhcp6c_clear_state(STATE_SERVER_ID); // Remove binding
+ size_t ia_pd_len, ia_na_len;
+ odhcp6c_get_state(STATE_IA_PD, &ia_pd_len);
+ odhcp6c_get_state(STATE_IA_NA, &ia_na_len);
+
+ if (ia_pd_len == 0 && ia_na_len == 0)
+ break;
+
// If we have IAs, try rebind otherwise restart
res = dhcpv6_request(DHCPV6_MSG_REBIND);
odhcp6c_signal_process();
" -N <mode> Mode for requesting addresses [try|force|none]\n"
" -P <length> Request IPv6-Prefix (0 = auto)\n"
" -F Force IPv6-Prefix\n"
+ " -V <class> Set vendor-class option (base-16 encoded)\n"
#ifdef EXT_BFD_PING
" -B <interval> Enable BFD ping check\n"
#endif
+ " -u <user-class> Set user-class option string\n"
" -c <clientid> Override client-ID (base-16 encoded)\n"
" -i <iface-id> Use a custom interface identifier for RA handling\n"
" -r <options> Options to be requested (comma-separated)\n"
" -a Don't send Accept Reconfigure option\n"
" -f Don't send Client FQDN option\n"
" -k Don't send a RELEASE when stopping\n"
- " -t <seconds> Maximum timeout for DHCPv6-SOLICIT (120)\n"
+ " -t <seconds> Maximum timeout for DHCPv6-SOLICIT (3600)\n"
+ " -m <seconds> Minimum time between accepting updates (30)\n"
"\nInvocation options:\n"
- " -p <pidfile> Set pidfile (/var/run/6relayd.pid)\n"
+ " -p <pidfile> Set pidfile (/var/run/odhcp6c.pid)\n"
" -d Daemonize\n"
" -e Write logmessages to stderr\n"
//" -v Increase logging verbosity\n"
{
struct timespec t = {0, 0};
syscall(SYS_clock_gettime, CLOCK_MONOTONIC, &t);
- return t.tv_sec * 1000 + t.tv_nsec / 1000000;
+ return ((uint64_t)t.tv_sec) * 1000 + ((uint64_t)t.tv_nsec) / 1000000;
}
if (new->valid > 0) {
if (x) {
- if (new->valid >= x->valid && new->valid - x->valid < 60 &&
+ if (new->valid >= x->valid && new->valid != UINT32_MAX &&
+ new->valid - x->valid < min_update_interval &&
new->preferred >= x->preferred &&
- new->preferred - x->preferred < 60 &&
+ new->preferred != UINT32_MAX &&
+ new->preferred - x->preferred < min_update_interval &&
x->class == new->class)
return false;
x->valid = new->valid;