X-Git-Url: https://git.decadent.org.uk/gitweb/?p=odhcp6c.git;a=blobdiff_plain;f=src%2Fodhcp6c.c;h=a37de913a7c722a2ed11e110428a0d93d5c57374;hp=7cdf09e47c25b62f1125c5c81efc17e2b97c6847;hb=722226c4f1d45c8bf4ac9189523738abcf7d648f;hpb=6373af63310f32e1408a81f4e4e069a5f0d3e59e diff --git a/src/odhcp6c.c b/src/odhcp6c.c index 7cdf09e..a37de91 100644 --- a/src/odhcp6c.c +++ b/src/odhcp6c.c @@ -66,6 +66,7 @@ int main(_unused int argc, char* const argv[]) int ia_pd_iaid_index = 0; static struct in6_addr ifid = IN6ADDR_ANY_INIT; int sol_timeout = DHCPV6_SOL_MAX_RT; + int verbosity = 0; bool help = false, daemonize = false; @@ -73,7 +74,7 @@ int main(_unused int argc, char* const argv[]) int c; unsigned int client_options = DHCPV6_CLIENT_FQDN | DHCPV6_ACCEPT_RECONFIGURE; - while ((c = getopt(argc, argv, "S::N:V:P:FB:c:i:r:Ru:s:kt:m:hedp:fa")) != -1) { + while ((c = getopt(argc, argv, "S::N:V:P:FB:c:i:r:Ru:s:kt:m:hedp:fav")) != -1) { switch (c) { case 'S': allow_slaac_only = (optarg) ? atoi(optarg) : -1; @@ -211,6 +212,10 @@ int main(_unused int argc, char* const argv[]) client_options &= ~DHCPV6_ACCEPT_RECONFIGURE; break; + case 'v': + ++verbosity; + break; + default: help = true; break; @@ -218,6 +223,9 @@ int main(_unused int argc, char* const argv[]) } openlog("odhcp6c", logopt, LOG_DAEMON); + if (!verbosity) + setlogmask(LOG_UPTO(LOG_WARNING)); + const char *ifname = argv[optind]; if (help || !ifname) @@ -246,19 +254,15 @@ int main(_unused int argc, char* const argv[]) return 4; } - char pidbuf[128]; if (!pidfile) { - snprintf(pidbuf, sizeof(pidbuf), - "/var/run/odhcp6c.%s.pid", ifname); - pidfile = pidbuf; + snprintf((char*)buf, sizeof(buf), "/var/run/odhcp6c.%s.pid", ifname); + pidfile = (char*)buf; } - int fd = open(pidfile, O_WRONLY | O_CREAT, 0644); - if (fd >= 0) { - char buf[8]; - int len = snprintf(buf, sizeof(buf), "%i\n", getpid()); - write(fd, buf, len); - close(fd); + FILE *fp = fopen(pidfile, "w"); + if (fp) { + fprintf(fp, "%i\n", getpid()); + fclose(fp); } } @@ -336,8 +340,8 @@ int main(_unused int argc, char* const argv[]) break; case DHCPV6_STATEFUL: - script_call("bound"); bound = true; + script_call("bound"); syslog(LOG_NOTICE, "entering stateful-mode on %s", ifname); while (!signal_usr2 && !signal_term) { @@ -391,6 +395,8 @@ int main(_unused int argc, char* const argv[]) break; } + odhcp6c_expire(); + size_t ia_pd_len, ia_na_len, server_id_len; odhcp6c_get_state(STATE_IA_PD, &ia_pd_len); odhcp6c_get_state(STATE_IA_NA, &ia_na_len); @@ -437,7 +443,7 @@ static int usage(void) " -p Set pidfile (/var/run/odhcp6c.pid)\n" " -d Daemonize\n" " -e Write logmessages to stderr\n" - //" -v Increase logging verbosity\n" + " -v Increase logging verbosity\n" " -h Show this help\n\n"; write(STDERR_FILENO, buf, sizeof(buf)); return 1; @@ -561,7 +567,8 @@ struct odhcp6c_entry* odhcp6c_find_entry(enum odhcp6c_state state, const struct } -bool odhcp6c_update_entry_safe(enum odhcp6c_state state, struct odhcp6c_entry *new, uint32_t safe) +bool odhcp6c_update_entry(enum odhcp6c_state state, struct odhcp6c_entry *new, + uint32_t safe, bool filterexcess) { size_t len; struct odhcp6c_entry *x = odhcp6c_find_entry(state, new); @@ -572,7 +579,8 @@ bool odhcp6c_update_entry_safe(enum odhcp6c_state state, struct odhcp6c_entry *n if (new->valid > 0) { if (x) { - if (new->valid >= x->valid && new->valid != UINT32_MAX && + if (filterexcess && new->valid >= x->valid && + new->valid != UINT32_MAX && new->valid - x->valid < min_update_interval && new->preferred >= x->preferred && new->preferred != UINT32_MAX && @@ -595,12 +603,6 @@ bool odhcp6c_update_entry_safe(enum odhcp6c_state state, struct odhcp6c_entry *n } -bool odhcp6c_update_entry(enum odhcp6c_state state, struct odhcp6c_entry *new) -{ - return odhcp6c_update_entry_safe(state, new, 0); -} - - static void odhcp6c_expire_list(enum odhcp6c_state state, uint32_t elapsed) { size_t len;