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 | 212 |
1 files changed, 0 insertions, 212 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 deleted file mode 100644 index d0a22d555..000000000 --- a/qemu/roms/SLOF/clients/net-snk/app/netlib/dhcpv6.c +++ /dev/null @@ -1,212 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2013 IBM Corporation - * All rights reserved. - * This program and the accompanying materials - * are made available under the terms of the BSD License - * which accompanies this distribution, and is available at - * http://www.opensource.org/licenses/bsd-license.php - * - * Contributors: - * IBM Corporation - initial implementation - *****************************************************************************/ - -#include <string.h> -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <sys/socket.h> -#include <time.h> -#include <netlib/ethernet.h> -#include <netlib/ipv6.h> -#include <netlib/udp.h> -#include <netlib/dhcpv6.h> -#include <netlib/tftp.h> -#include <netlib/dns.h> - -static uint8_t tid[3]; -static uint32_t dhcpv6_state = -1; -static filename_ip_t *my_fn_ip; - -static struct ip6addr_list_entry all_dhcpv6_ll; /* All DHCPv6 servers address */ - -void -dhcpv6_generate_transaction_id(void) -{ - /* As per RFC 3315 transaction IDs should be generated randomly */ - tid[0] = rand(); - tid[1] = rand(); - tid[2] = rand(); -} - -static void -send_info_request(int fd) -{ - uint8_t ether_packet[ETH_MTU_SIZE]; - uint32_t payload_length; - struct dhcp_message_header *dhcph; - - memset(ether_packet, 0, ETH_MTU_SIZE); - - /* Get an IPv6 packet */ - payload_length = sizeof(struct udphdr) + sizeof(struct dhcp_message_header); - fill_ip6hdr (ether_packet + sizeof(struct ethhdr), - payload_length, IPTYPE_UDP, - get_ipv6_address(), &(all_dhcpv6_ll.addr)); - fill_udphdr ( ether_packet + sizeof(struct ethhdr) + sizeof(struct ip6hdr), - payload_length, DHCP_CLIENT_PORT, DHCP_SERVER_PORT); - dhcph = (struct dhcp_message_header *) (ether_packet + - sizeof(struct ethhdr) + - sizeof(struct ip6hdr) + - sizeof(struct udphdr)); - - /* Fill in DHCPv6 data */ - dhcph->type = DHCP_INFORMATION_REQUEST; - memcpy( &(dhcph->transaction_id), &tid, 3); - dhcph->option.client_id.code = DHCPV6_OPTION_CLIENTID; - dhcph->option.client_id.length = 10; - dhcph->option.client_id.duid_type = DUID_LL; - dhcph->option.client_id.hardware_type = 1; - memcpy( &(dhcph->option.client_id.mac), - get_mac_address(), 6); - dhcph->option.el_time.code = DHCPV6_OPTION_ELAPSED_TIME; - 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 = 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 ip6hdr) + sizeof(struct udphdr) - + sizeof(struct dhcp_message_header)); -} - -static int32_t -dhcpv6_attempt(int fd) -{ - int sec; - - // Send information request - send_info_request(fd); - - dhcpv6_state = DHCPV6_STATE_SELECT; - - // setting up a timer with a timeout of two seconds - for (sec = 0; sec < 2; sec++) { - set_timer(TICKS_SEC); - do { - receive_ether(fd); - - // Wait until client will switch to Final state or Timeout occurs - switch (dhcpv6_state) { - case DHCP_STATUSCODE_SUCCESS: - return 1; - case DHCP_STATUSCODE_UNSPECFAIL: //FIXME - return 0; - } - } while (get_timer() > 0); - } - - // timeout - return 0; -} - -int32_t -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; - - if( !dhcpv6_attempt(fd)) { - return -1; - } - - return 0; -} - -static void dhcp6_process_options (uint8_t *option, int32_t option_length) -{ - struct dhcp_boot_url *option_boot_url; - struct client_identifier *option_clientid; - struct server_identifier *option_serverid; - struct dhcp_dns *option_dns; - struct dhcp_dns_list *option_dns_list; - struct dhcp6_gen_option *option_gen; - char buffer[256]; - - 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; - 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; - break; - case DHCPV6_OPTION_DNS_SERVERS: - option_dns = (struct dhcp_dns *) option; - option = option + option_dns->length + 4; - option_length = option_length - option_dns->length - 4; - memcpy( &(my_fn_ip->dns_ip6), - option_dns->p_ip6, - IPV6_ADDR_LENGTH); - dns_init(0, option_dns->p_ip6, 6); - break; - case DHCPV6_OPTION_DOMAIN_LIST: - option_dns_list = (struct dhcp_dns_list *) option; - option = option + option_dns_list->length + 4; - option_length = option_length - option_dns_list->length - 4; - break; - case DHCPV6_OPTION_BOOT_URL: - option_boot_url = (struct dhcp_boot_url *) option; - option = option + option_boot_url->length + 4; - option_length = option_length - option_boot_url->length - 4; - strncpy((char *)buffer, - (const char *)option_boot_url->url, - (size_t)option_boot_url->length); - buffer[option_boot_url->length] = 0; - if (parse_tftp_args(buffer, - (char *)my_fn_ip->server_ip6.addr, - (char *)my_fn_ip->filename, - (int)my_fn_ip->fd, - option_boot_url->length) == -1) - return; - break; - default: - option_gen = (struct dhcp6_gen_option *) option; - option = option + option_gen->length + 4; - option_length = option_length - option_gen->length - 4; - } - } -} - -uint32_t -handle_dhcpv6(uint8_t * packet, int32_t packetsize) -{ - - uint8_t *first_option; - int32_t option_length; - 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; - - first_option = packet + 4; - option_length = packet + packetsize - first_option; - dhcp6_process_options(first_option, option_length); - - return 0; -} |