X-Git-Url: https://git.decadent.org.uk/gitweb/?p=odhcp6c.git;a=blobdiff_plain;f=src%2Fodhcp6c.c;h=a97e4c914cf646d680edd869bcfe258e4f652372;hp=f4f83f1efb846cbb2250c0827763b144d5ad365a;hb=a300c7335c5ad78fb053e7c73b45e95e1f3c2ad1;hpb=82e0235c10dda8b9baeb06b6383bec1f43bb61a2 diff --git a/src/odhcp6c.c b/src/odhcp6c.c index f4f83f1..a97e4c9 100644 --- a/src/odhcp6c.c +++ b/src/odhcp6c.c @@ -1,5 +1,5 @@ /** - * Copyright (C) 2012 Steven Barth + * Copyright (C) 2012-2013 Steven Barth * * 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 @@ -46,8 +46,6 @@ static bool bound = false, allow_slaac_only = true, release = true; int main(_unused int argc, char* const argv[]) { - openlog("odhcp6c", LOG_PERROR | LOG_PID, LOG_DAEMON); - // Allocate ressources const char *pidfile = NULL; const char *script = "/usr/sbin/odhcp6c-update"; @@ -58,8 +56,9 @@ int main(_unused int argc, char* const argv[]) enum odhcp6c_ia_mode ia_na_mode = IA_MODE_TRY; bool help = false, daemonize = false; + int logopt = LOG_PID; int c, request_pd = 0; - while ((c = getopt(argc, argv, "SN:P:c:r:s:khdp:")) != -1) { + while ((c = getopt(argc, argv, "SN:P:c:r:s:khedp:")) != -1) { switch (c) { case 'S': allow_slaac_only = false; @@ -116,6 +115,10 @@ int main(_unused int argc, char* const argv[]) release = false; break; + case 'e': + logopt |= LOG_PERROR; + break; + case 'd': daemonize = true; break; @@ -130,18 +133,12 @@ int main(_unused int argc, char* const argv[]) } } + openlog("odhcp6c", logopt, LOG_DAEMON); const char *ifname = argv[optind]; if (help || !ifname) return usage(); - if ((urandom_fd = open("/dev/urandom", O_CLOEXEC | O_RDONLY)) < 0 || - init_dhcpv6(ifname, request_pd) || ra_init(ifname) || - script_init(script, ifname)) { - syslog(LOG_ERR, "failed to initialize: %s", strerror(errno)); - return 3; - } - signal(SIGIO, sighandler); signal(SIGHUP, sighandler); signal(SIGINT, sighandler); @@ -150,6 +147,13 @@ int main(_unused int argc, char* const argv[]) signal(SIGUSR1, sighandler); signal(SIGUSR2, sighandler); + if ((urandom_fd = open("/dev/urandom", O_CLOEXEC | O_RDONLY)) < 0 || + init_dhcpv6(ifname, request_pd) || ra_init(ifname) || + script_init(script, ifname)) { + syslog(LOG_ERR, "failed to initialize: %s", strerror(errno)); + return 3; + } + if (daemonize) { openlog("odhcp6c", LOG_PID, LOG_DAEMON); // Disable LOG_PERROR if (daemon(0, 0)) { @@ -313,6 +317,7 @@ static int usage(void) "\nInvocation options:\n" " -p Set pidfile (/var/run/6relayd.pid)\n" " -d Daemonize\n" + " -e Write logmessages to stderr\n" //" -v Increase logging verbosity\n" " -h Show this help\n\n"; write(STDERR_FILENO, buf, sizeof(buf));