132 add_environ(struct if_options *ifo, const char *value, int uniq)  in add_environ()  argument
135 	char **lst = ifo->environ;  in add_environ()
168 	ifo->environ = newlist;  in add_environ()
331 parse_option(struct if_options *ifo, int opt, const char *arg)  in parse_option()  argument
349 		ifo->options |= DHCPCD_BACKGROUND;  in parse_option()
352 		strlcpy(ifo->script, arg, sizeof(ifo->script));  in parse_option()
355 		ifo->options |= DHCPCD_DEBUG;  in parse_option()
358 		add_environ(ifo, arg, 1);  in parse_option()
362 			s = parse_string(ifo->hostname,  in parse_option()
368 			if (s != 0 && ifo->hostname[0] == '.') {  in parse_option()
373 			ifo->hostname[s] = '\0';  in parse_option()
375 		if (ifo->hostname[0] == '\0')  in parse_option()
376 			ifo->options &= ~DHCPCD_HOSTNAME;  in parse_option()
378 			ifo->options |= DHCPCD_HOSTNAME;  in parse_option()
382 			s = parse_string((char *)ifo->vendorclassid + 1,  in parse_option()
390 		*ifo->vendorclassid = (uint8_t)s;  in parse_option()
393 		ifo->options |= DHCPCD_RELEASE;  in parse_option()
402 		ifo->leasetime = (uint32_t)strtol(arg, NULL, 0);  in parse_option()
409 		ifo->metric = atoint(arg);  in parse_option()
410 		if (ifo->metric < 0) {  in parse_option()
416 		if (make_option_mask(ifo->requestmask, arg, 1) != 0) {  in parse_option()
422 		ifo->options |= DHCPCD_PERSISTENT;  in parse_option()
425 		ifo->options |= DHCPCD_QUIET;  in parse_option()
428 		if (parse_addr(&ifo->req_addr, NULL, arg) != 0)  in parse_option()
430 		ifo->options |= DHCPCD_REQUEST;  in parse_option()
431 		ifo->req_mask.s_addr = 0;  in parse_option()
435 			if (parse_addr(&ifo->req_addr, &ifo->req_mask,  in parse_option()
439 			ifo->req_addr.s_addr = 0;  in parse_option()
440 			ifo->req_mask.s_addr = 0;  in parse_option()
442 		ifo->options |= DHCPCD_INFORM | DHCPCD_PERSISTENT;  in parse_option()
443 		ifo->options &= ~(DHCPCD_ARP | DHCPCD_STATIC);  in parse_option()
446 		ifo->timeout = atoint(arg);  in parse_option()
447 		if (ifo->timeout < 0) {  in parse_option()
453 		s = USERCLASS_MAX_LEN - ifo->userclass[0] - 1;  in parse_option()
454 		s = parse_string((char *)ifo->userclass +  in parse_option()
455 		    ifo->userclass[0] + 2,  in parse_option()
462 			ifo->userclass[ifo->userclass[0] + 1] = s;  in parse_option()
463 			ifo->userclass[0] += s + 1;  in parse_option()
476 			s = parse_string((char *)ifo->vendor + 1,  in parse_option()
482 			ifo->vendor[0] = (uint8_t)s;  in parse_option()
483 			ifo->options |= DHCPCD_VENDORRAW;  in parse_option()
488 		if (ifo->options & DHCPCD_VENDORRAW) {  in parse_option()
489 			ifo->options &= ~DHCPCD_VENDORRAW;  in parse_option()
490 			ifo->vendor[0] = 0;  in parse_option()
501 		s = VENDOR_MAX_LEN - ifo->vendor[0] - 2;  in parse_option()
507 				memcpy(ifo->vendor + ifo->vendor[0] + 3,  in parse_option()
510 			s = parse_string((char *)ifo->vendor +  in parse_option()
511 			    ifo->vendor[0] + 3, s, arg);  in parse_option()
518 			ifo->vendor[ifo->vendor[0] + 1] = i;  in parse_option()
519 			ifo->vendor[ifo->vendor[0] + 2] = s;  in parse_option()
520 			ifo->vendor[0] += s + 2;  in parse_option()
524 		ifo->options |= DHCPCD_WAITIP;  in parse_option()
527 		ifo->reboot = atoint(arg);  in parse_option()
528 		if (ifo->reboot < 0) {  in parse_option()
537 		ifo->options &= ~DHCPCD_ARP;  in parse_option()
539 		ifo->options &= ~DHCPCD_IPV4LL;  in parse_option()
542 		ifo->options &= ~DHCPCD_DAEMONISE;  in parse_option()
551 		add_environ(ifo, p, 0);  in parse_option()
555 		ifo->options |= DHCPCD_CLIENTID | DHCPCD_DUID;  in parse_option()
558 		ifo->options |= DHCPCD_LASTLEASE;  in parse_option()
562 			ifo->fqdn = FQDN_BOTH;  in parse_option()
566 			ifo->fqdn = FQDN_NONE;  in parse_option()
568 			ifo->fqdn = FQDN_PTR;  in parse_option()
570 			ifo->fqdn = FQDN_BOTH;  in parse_option()
572 			ifo->fqdn = FQDN_DISABLE;  in parse_option()
579 		ifo->options &= ~DHCPCD_GATEWAY;  in parse_option()
582 		ifo->options |= DHCPCD_XID_HWADDR;  in parse_option()
586 		ifo->clientid[1] = 0;  in parse_option()
588 			s = parse_string_hwaddr((char *)ifo->clientid + 1,  in parse_option()
596 		ifo->options |= DHCPCD_CLIENTID;  in parse_option()
597 		ifo->clientid[0] = (uint8_t)s;  in parse_option()
600 		ifo->options |= DHCPCD_BROADCAST;  in parse_option()
603 		ifo->options &= ~DHCPCD_LINK;  in parse_option()
606 		ifo->options &= ~DHCPCD_IPV4LL;  in parse_option()
609 		if (make_option_mask(ifo->requestmask, arg, -1) != 0 ||  in parse_option()
610 		    make_option_mask(ifo->requiremask, arg, -1) != 0 ||  in parse_option()
611 		    make_option_mask(ifo->nomask, arg, 1) != 0)  in parse_option()
618 		if (make_option_mask(ifo->requiremask, arg, 1) != 0 ||  in parse_option()
619 		    make_option_mask(ifo->requestmask, arg, 1) != 0)  in parse_option()
633 			if (parse_addr(&ifo->req_addr,  in parse_option()
634 			    ifo->req_mask.s_addr == 0 ? &ifo->req_mask : NULL,  in parse_option()
638 			ifo->options |= DHCPCD_STATIC;  in parse_option()
639 			ifo->options &= ~DHCPCD_INFORM;  in parse_option()
641 			if (parse_addr(&ifo->req_mask, NULL, p) != 0)  in parse_option()
656 			if (ifo->routes == NULL) {  in parse_option()
657 				rt = ifo->routes = xmalloc(sizeof(*rt));  in parse_option()
659 				rt = ifo->routes;  in parse_option()
670 			if (ifo->routes == NULL) {  in parse_option()
671 				rt = ifo->routes = xzalloc(sizeof(*rt));  in parse_option()
673 				rt = ifo->routes;  in parse_option()
686 			if (ifo->config != NULL) {  in parse_option()
687 				while (ifo->config[s] != NULL) {  in parse_option()
688 					if (strncmp(ifo->config[s], arg,  in parse_option()
691 						free(ifo->config[s]);  in parse_option()
692 						ifo->config[s] = xstrdup(arg);  in parse_option()
698 			ifo->config = xrealloc(ifo->config,  in parse_option()
700 			ifo->config[s] = xstrdup(arg);  in parse_option()
701 			ifo->config[s + 1] = NULL;  in parse_option()
709 		ifo->whitelist = xrealloc(ifo->whitelist,  in parse_option()
710 		    sizeof(in_addr_t) * (ifo->whitelist_len + 2));  in parse_option()
711 		ifo->whitelist[ifo->whitelist_len++] = addr.s_addr;  in parse_option()
712 		ifo->whitelist[ifo->whitelist_len++] = addr2.s_addr;  in parse_option()
719 		ifo->blacklist = xrealloc(ifo->blacklist,  in parse_option()
720 		    sizeof(in_addr_t) * (ifo->blacklist_len + 2));  in parse_option()
721 		ifo->blacklist[ifo->blacklist_len++] = addr.s_addr;  in parse_option()
722 		ifo->blacklist[ifo->blacklist_len++] = addr2.s_addr;  in parse_option()
730 		ifo->arping = xrealloc(ifo->arping,  in parse_option()
731 		    sizeof(in_addr_t) * (ifo->arping_len + 1));  in parse_option()
732 		ifo->arping[ifo->arping_len++] = addr.s_addr;  in parse_option()
735 		if (make_option_mask(ifo->dstmask, arg, 2) != 0) {  in parse_option()
745 		free(ifo->fallback);  in parse_option()
746 		ifo->fallback = xstrdup(arg);  in parse_option()
749 		ifo->options &= ~DHCPCD_IPV6RS;  in parse_option()
752 		ifo->options &= ~DHCPCD_IPV6RA_REQRDNSS;  in parse_option()
762 parse_config_line(struct if_options *ifo, const char *opt, char *line)  in parse_config_line()  argument
778 		return parse_option(ifo, cf_options[i].val, line);  in parse_config_line()
789 	struct if_options *ifo;  in read_config()  local
796 	ifo = xzalloc(sizeof(*ifo));  in read_config()
797 	ifo->options |= DHCPCD_GATEWAY | DHCPCD_DAEMONISE | DHCPCD_LINK;  in read_config()
798 	ifo->options |= DHCPCD_ARP | DHCPCD_IPV4LL;  in read_config()
804 	ifo->options |= DHCPCD_IPV6RS | DHCPCD_IPV6RA_REQRDNSS;  in read_config()
806 	ifo->timeout = DEFAULT_TIMEOUT;  in read_config()
807 	ifo->reboot = DEFAULT_REBOOT;  in read_config()
808 	ifo->metric = -1;  in read_config()
809 	strlcpy(ifo->script, SCRIPT, sizeof(ifo->script));  in read_config()
810 	gethostname(ifo->hostname, HOSTNAME_MAX_LEN);  in read_config()
812 	ifo->hostname[HOSTNAME_MAX_LEN] = '\0';  in read_config()
813 	if (strcmp(ifo->hostname, "(none)") == 0 ||  in read_config()
814 	    strcmp(ifo->hostname, "localhost") == 0)  in read_config()
815 		ifo->hostname[0] = '\0';  in read_config()
820 		ifo->vendorclassid[0] = snprintf((char *)ifo->vendorclassid + 1,  in read_config()
827 		ifo->vendorclassid[0] = snprintf((char *)ifo->vendorclassid + 1,  in read_config()
835 		return ifo;  in read_config()
875 		parse_config_line(ifo, option, line);  in read_config()
880 		free_options(ifo);  in read_config()
882 		ifo = NULL;  in read_config()
886 	if (ifo && ifo->vendor[0] && !(ifo->options & DHCPCD_VENDORRAW)) {  in read_config()
887 		ifo->vendor[0]++;  in read_config()
888 		ifo->vendor[ifo->vendor[0]] = DHO_END;  in read_config()
890 	return ifo;  in read_config()
894 add_options(struct if_options *ifo, int argc, char **argv)  in add_options()  argument
901 		r = parse_option(ifo, opt, optarg);  in add_options()
906 	if (r == 1 && ifo->vendor[0] && !(ifo->options & DHCPCD_VENDORRAW)) {  in add_options()
907 		ifo->vendor[0]++;  in add_options()
908 		ifo->vendor[ifo->vendor[0]] = DHO_END;  in add_options()
914 free_options(struct if_options *ifo)  in free_options()  argument
918 	if (ifo) {  in free_options()
919 		if (ifo->environ) {  in free_options()
921 			while (ifo->environ[i])  in free_options()
922 				free(ifo->environ[i++]);  in free_options()
923 			free(ifo->environ);  in free_options()
925 		if (ifo->config) {  in free_options()
927 			while (ifo->config[i])  in free_options()
928 				free(ifo->config[i++]);  in free_options()
929 			free(ifo->config);  in free_options()
931 		free_routes(ifo->routes);  in free_options()
932 		free(ifo->arping);  in free_options()
933 		free(ifo->blacklist);  in free_options()
934 		free(ifo->fallback);  in free_options()
935 		free(ifo);  in free_options()