Support 4 dns servers, up from 2 (fdd57318) · Commits · e / os / android_system_core

include/netutils/dhcp.h

+9 −2

Original line number	Diff line number	Diff line
		@@ -27,8 +27,15 @@ extern int dhcp_do_request(const char *ifname,
		char *ipaddr,
		char *gateway,
		uint32_t *prefixLength,
		char *dns1,
		char *dns2,
		char *dns[],
		char *server,
		uint32_t *lease,
		char *vendorInfo);
		extern int dhcp_do_request_renew(const char *ifname,
		char *ipaddr,
		char *gateway,
		uint32_t *prefixLength,
		char *dns[],
		char *server,
		uint32_t *lease,
		char *vendorInfo);

libnetutils/dhcp_utils.c

+12 −14

Original line number	Diff line number	Diff line
		@@ -88,8 +88,7 @@ static int fill_ip_info(const char *interface,
		char *ipaddr,
		char *gateway,
		uint32_t *prefixLength,
		char *dns1,
		char *dns2,
		char *dns[],
		char *server,
		uint32_t *lease,
		char *vendorInfo,
		@@ -99,6 +98,7 @@ static int fill_ip_info(const char *interface,
		char prop_value[PROPERTY_VALUE_MAX];
		/* Interface name after converting p2p0-p2p0-X to p2p to reuse system properties */
		char p2p_interface[MAX_INTERFACE_LENGTH];
		int x;

		get_p2p_interface_replacement(interface, p2p_interface);

		@@ -139,11 +139,11 @@ static int fill_ip_info(const char *interface,
		}
		*prefixLength = p;
		}
		snprintf(prop_name, sizeof(prop_name), "%s.%s.dns1", DHCP_PROP_NAME_PREFIX, p2p_interface);
		property_get(prop_name, dns1, NULL);

		snprintf(prop_name, sizeof(prop_name), "%s.%s.dns2", DHCP_PROP_NAME_PREFIX, p2p_interface);
		property_get(prop_name, dns2, NULL);
		for (x=0; dns[x] != NULL; x++) {
		snprintf(prop_name, sizeof(prop_name), "%s.%s.dns%d", DHCP_PROP_NAME_PREFIX, p2p_interface, x+1);
		property_get(prop_name, dns[x], NULL);
		}

		snprintf(prop_name, sizeof(prop_name), "%s.%s.leasetime", DHCP_PROP_NAME_PREFIX, p2p_interface);
		if (property_get(prop_name, prop_value, NULL)) {
		@@ -182,8 +182,7 @@ int dhcp_do_request(const char *interface,
		char *ipaddr,
		char *gateway,
		uint32_t *prefixLength,
		char *dns1,
		char *dns2,
		char *dns[],
		char *server,
		uint32_t *lease,
		char *vendorInfo,
		@@ -238,8 +237,8 @@ int dhcp_do_request(const char *interface,
		}
		if (strcmp(prop_value, "ok") == 0) {
		char dns_prop_name[PROPERTY_KEY_MAX];
		if (fill_ip_info(interface, ipaddr, gateway, prefixLength,
		dns1, dns2, server, lease, vendorInfo, domain) == -1) {
		if (fill_ip_info(interface, ipaddr, gateway, prefixLength, dns,
		server, lease, vendorInfo, domain) == -1) {
		return -1;
		}
		return 0;
		@@ -326,8 +325,7 @@ int dhcp_do_request_renew(const char *interface,
		char *ipaddr,
		char *gateway,
		uint32_t *prefixLength,
		char *dns1,
		char *dns2,
		char *dns[],
		char *server,
		uint32_t *lease,
		char *vendorInfo,
		@@ -367,8 +365,8 @@ int dhcp_do_request_renew(const char *interface,
		return -1;
		}
		if (strcmp(prop_value, "ok") == 0) {
		fill_ip_info(interface, ipaddr, gateway, prefixLength,
		dns1, dns2, server, lease, vendorInfo, domain);
		fill_ip_info(interface, ipaddr, gateway, prefixLength, dns,
		server, lease, vendorInfo, domain);
		return 0;
		} else {
		snprintf(errmsg, sizeof(errmsg), "DHCP Renew result was %s", prop_value);