diff options
Diffstat (limited to 'qemu/roms/SLOF/clients/net-snk/app/netlib/dhcpv6.c')
| -rw-r--r-- | qemu/roms/SLOF/clients/net-snk/app/netlib/dhcpv6.c | 42 |
1 files changed, 19 insertions, 23 deletions
diff --git a/qemu/roms/SLOF/clients/net-snk/app/netlib/dhcpv6.c b/qemu/roms/SLOF/clients/net-snk/app/netlib/dhcpv6.c index 4deef30f2..d0a22d555 100644 --- a/qemu/roms/SLOF/clients/net-snk/app/netlib/dhcpv6.c +++ b/qemu/roms/SLOF/clients/net-snk/app/netlib/dhcpv6.c @@ -27,13 +27,15 @@ static uint8_t tid[3]; static uint32_t dhcpv6_state = -1; static filename_ip_t *my_fn_ip; -static void -generate_transaction_id(void) +static struct ip6addr_list_entry all_dhcpv6_ll; /* All DHCPv6 servers address */ + +void +dhcpv6_generate_transaction_id(void) { - /* TODO: as per RFC 3315 transaction IDs should be generated randomly */ - tid[0] = 1; - tid[1] = 2; - tid[2] = 4; + /* As per RFC 3315 transaction IDs should be generated randomly */ + tid[0] = rand(); + tid[1] = rand(); + tid[2] = rand(); } static void @@ -45,8 +47,6 @@ send_info_request(int fd) memset(ether_packet, 0, ETH_MTU_SIZE); - generate_transaction_id(); - /* Get an IPv6 packet */ payload_length = sizeof(struct udphdr) + sizeof(struct dhcp_message_header); fill_ip6hdr (ether_packet + sizeof(struct ethhdr), @@ -72,16 +72,14 @@ send_info_request(int fd) dhcph->option.el_time.length = 2; dhcph->option.el_time.time = 0x190; /* 4000 ms */ dhcph->option.option_request_option.code = DHCPV6_OPTION_ORO; - dhcph->option.option_request_option.length= 6; + dhcph->option.option_request_option.length = DHCPV6_OPTREQUEST_NUMOPTS * 2; dhcph->option.option_request_option.option_code[0] = DHCPV6_OPTION_DNS_SERVERS; dhcph->option.option_request_option.option_code[1] = DHCPV6_OPTION_DOMAIN_LIST; dhcph->option.option_request_option.option_code[2] = DHCPV6_OPTION_BOOT_URL; - send_ipv6(fd, ether_packet + sizeof(struct ethhdr), - sizeof(struct ethhdr)+ sizeof(struct ip6hdr) - + sizeof(struct udphdr) - + sizeof( struct dhcp_message_header) ); + sizeof(struct ip6hdr) + sizeof(struct udphdr) + + sizeof(struct dhcp_message_header)); } static int32_t @@ -119,6 +117,9 @@ dhcpv6 ( char *ret_buffer, void *fn_ip) { int fd; + all_dhcpv6_ll.addr.part.prefix = 0xff02000000000000ULL; + all_dhcpv6_ll.addr.part.interface_id = 0x10002ULL; + my_fn_ip = (filename_ip_t *) fn_ip; fd = my_fn_ip->fd; @@ -129,8 +130,7 @@ dhcpv6 ( char *ret_buffer, void *fn_ip) return 0; } -static struct dhcp6_received_options * -dhcp6_process_options (uint8_t *option, int32_t option_length) +static void dhcp6_process_options (uint8_t *option, int32_t option_length) { struct dhcp_boot_url *option_boot_url; struct client_identifier *option_clientid; @@ -138,24 +138,19 @@ dhcp6_process_options (uint8_t *option, int32_t option_length) struct dhcp_dns *option_dns; struct dhcp_dns_list *option_dns_list; struct dhcp6_gen_option *option_gen; - struct dhcp6_received_options *received_options; char buffer[256]; - - received_options = malloc (sizeof(struct dhcp6_received_options)); while (option_length > 0) { switch ((uint16_t) *(option+1)) { case DHCPV6_OPTION_CLIENTID: option_clientid = (struct client_identifier *) option; option = option + option_clientid->length + 4; option_length = option_length - option_clientid->length - 4; - received_options->client_id = 1; break; case DHCPV6_OPTION_SERVERID: option_serverid = (struct server_identifier *) option; option = option + option_serverid->length + 4; option_length = option_length - option_serverid->length - 4; - received_options->server_id = 1; break; case DHCPV6_OPTION_DNS_SERVERS: option_dns = (struct dhcp_dns *) option; @@ -184,7 +179,7 @@ dhcp6_process_options (uint8_t *option, int32_t option_length) (char *)my_fn_ip->filename, (int)my_fn_ip->fd, option_boot_url->length) == -1) - return NULL; + return; break; default: option_gen = (struct dhcp6_gen_option *) option; @@ -192,8 +187,6 @@ dhcp6_process_options (uint8_t *option, int32_t option_length) option_length = option_length - option_gen->length - 4; } } - - return received_options; } uint32_t @@ -205,6 +198,9 @@ handle_dhcpv6(uint8_t * packet, int32_t packetsize) struct dhcp_message_reply *reply; reply = (struct dhcp_message_reply *) packet; + if (memcmp(reply->transaction_id, tid, 3)) + return -1; /* Wrong transaction ID */ + if (reply->type == 7) dhcpv6_state = DHCP_STATUSCODE_SUCCESS; |