bootp support
This commit is contained in:
parent
4700d08bb4
commit
8b51fd98b9
12 changed files with 360 additions and 91 deletions
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@ -41,6 +41,14 @@ grub_net_arp_resolve (struct grub_net_network_level_interface *inf,
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char *aux, arp_data[128];
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char *aux, arp_data[128];
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int i;
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int i;
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if (proto_addr->type == GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4
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&& proto_addr->ipv4 == 0xffffffff)
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{
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hw_addr->type = GRUB_NET_LINK_LEVEL_PROTOCOL_ETHERNET;
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grub_memset (hw_addr->mac, -1, 6);
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return GRUB_ERR_NONE;
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}
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/* Check cache table. */
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/* Check cache table. */
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entry = arp_find_entry (proto_addr);
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entry = arp_find_entry (proto_addr);
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if (entry)
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if (entry)
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@ -13,8 +13,8 @@
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static int fd;
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static int fd;
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static grub_err_t
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static grub_err_t
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send_card_buffer (struct grub_net_card *dev __attribute__ ((unused)),
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send_card_buffer (const struct grub_net_card *dev __attribute__ ((unused)),
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struct grub_net_buff *pack)
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struct grub_net_buff *pack)
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{
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{
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ssize_t actual;
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ssize_t actual;
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@ -27,7 +27,7 @@ send_card_buffer (struct grub_net_card *dev __attribute__ ((unused)),
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}
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}
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static grub_ssize_t
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static grub_ssize_t
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get_card_packet (struct grub_net_card *dev __attribute__ ((unused)),
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get_card_packet (const struct grub_net_card *dev __attribute__ ((unused)),
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struct grub_net_buff *pack)
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struct grub_net_buff *pack)
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{
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{
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ssize_t actual;
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ssize_t actual;
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@ -27,12 +27,14 @@ send_ethernet_packet (struct grub_net_network_level_interface *inf,
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}
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}
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grub_err_t
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grub_err_t
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grub_net_recv_ethernet_packet (struct grub_net_buff *nb)
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grub_net_recv_ethernet_packet (struct grub_net_buff * nb,
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const struct grub_net_card * card)
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{
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{
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struct etherhdr *eth;
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struct etherhdr *eth;
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struct llchdr *llch;
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struct llchdr *llch;
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struct snaphdr *snaph;
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struct snaphdr *snaph;
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grub_uint16_t type;
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grub_uint16_t type;
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grub_net_link_level_address_t hwaddress;
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eth = (struct etherhdr *) nb->data;
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eth = (struct etherhdr *) nb->data;
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type = grub_be_to_cpu16 (eth->type);
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type = grub_be_to_cpu16 (eth->type);
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@ -51,7 +53,10 @@ grub_net_recv_ethernet_packet (struct grub_net_buff *nb)
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}
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}
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}
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}
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/* ARP packet. */
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hwaddress.type = GRUB_NET_LINK_LEVEL_PROTOCOL_ETHERNET;
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grub_memcpy (hwaddress.mac, eth->dst, sizeof (hwaddress.mac));
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/* ARP packet. */
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if (type == GRUB_NET_ETHERTYPE_ARP)
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if (type == GRUB_NET_ETHERTYPE_ARP)
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{
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{
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grub_net_arp_receive (nb);
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grub_net_arp_receive (nb);
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@ -59,7 +64,7 @@ grub_net_recv_ethernet_packet (struct grub_net_buff *nb)
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}
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}
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/* IP packet. */
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/* IP packet. */
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if (type == GRUB_NET_ETHERTYPE_IP)
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if (type == GRUB_NET_ETHERTYPE_IP)
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grub_net_recv_ip_packets (nb);
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grub_net_recv_ip_packets (nb, card, &hwaddress);
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return GRUB_ERR_NONE;
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return GRUB_ERR_NONE;
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}
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}
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@ -25,9 +25,9 @@ ipchksum (void *ipv, int len)
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}
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}
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grub_err_t
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grub_err_t
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grub_net_send_ip_packet (struct grub_net_network_level_interface *inf,
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grub_net_send_ip_packet (struct grub_net_network_level_interface * inf,
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const grub_net_network_level_address_t *target,
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const grub_net_network_level_address_t * target,
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struct grub_net_buff *nb)
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struct grub_net_buff * nb)
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{
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{
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struct iphdr *iph;
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struct iphdr *iph;
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static int id = 0x2400;
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static int id = 0x2400;
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@ -54,43 +54,58 @@ grub_net_send_ip_packet (struct grub_net_network_level_interface *inf,
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err = grub_net_arp_resolve (inf, target, &ll_target_addr);
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err = grub_net_arp_resolve (inf, target, &ll_target_addr);
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if (err)
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if (err)
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return err;
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return err;
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return send_ethernet_packet (inf, nb, ll_target_addr, GRUB_NET_ETHERTYPE_IP);
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return send_ethernet_packet (inf, nb, ll_target_addr,
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GRUB_NET_ETHERTYPE_IP);
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}
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}
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/*
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grub_err_t
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static int
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grub_net_recv_ip_packets (struct grub_net_buff * nb,
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ip_filter (struct grub_net_buff *nb)
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const struct grub_net_card * card,
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const grub_net_link_level_address_t * hwaddress)
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{
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{
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struct iphdr *iph = (struct iphdr *) nb->data;
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struct iphdr *iph = (struct iphdr *) nb->data;
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grub_err_t err;
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grub_err_t err;
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struct grub_net_network_level_interface *inf;
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if (nb->end - nb->data < (signed) sizeof (*iph))
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err = grub_netbuff_pull (nb, sizeof (*iph));
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return 0;
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if (iph->protocol != 0x11 ||
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iph->dest != inf->address.ipv4)
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return 0;
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grub_netbuff_pull (nb, sizeof (iph));
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err = grub_net_put_packet (&inf->nl_pending, nb);
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if (err)
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if (err)
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return err;
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FOR_NET_NETWORK_LEVEL_INTERFACES (inf)
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{
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if (inf->card == card
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&& inf->address.type == GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4
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&& inf->address.ipv4 == iph->dest
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&& grub_net_hwaddr_cmp (&inf->hwaddress, hwaddress) == 0)
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break;
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}
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if (!inf)
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{
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{
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grub_print_error ();
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FOR_NET_NETWORK_LEVEL_INTERFACES (inf)
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return 0;
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if (inf->card == card
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&& inf->address.type == GRUB_NET_NETWORK_LEVEL_PROTOCOL_PROMISC
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&& grub_net_hwaddr_cmp (&inf->hwaddress, hwaddress) == 0)
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break;
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}
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if (!inf)
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{
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if (iph->protocol == IP_UDP
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&& grub_net_hwaddr_cmp (&card->default_address, hwaddress) == 0)
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{
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struct udphdr *udph;
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udph = (struct udphdr *) nb->data;
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grub_netbuff_pull (nb, sizeof (*udph));
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if (grub_be_to_cpu16 (udph->dst) == 68)
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grub_net_process_dhcp (nb, card);
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}
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grub_netbuff_free (nb);
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return GRUB_ERR_NONE;
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}
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}
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return 1;
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}
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*/
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grub_err_t
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grub_net_recv_ip_packets (struct grub_net_buff *nb)
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{
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struct iphdr *iph = (struct iphdr *) nb->data;
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grub_netbuff_pull (nb, sizeof (*iph));
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switch (iph->protocol)
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switch (iph->protocol)
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{
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{
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case IP_UDP:
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case IP_UDP:
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return grub_net_recv_udp_packet (nb);
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return grub_net_recv_udp_packet (nb, inf);
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break;
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break;
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default:
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default:
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grub_netbuff_free (nb);
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grub_netbuff_free (nb);
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@ -16,6 +16,7 @@
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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*/
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#include <grub/net/udp.h>
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#include <grub/net.h>
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#include <grub/net.h>
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#include <grub/net/netbuff.h>
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#include <grub/net/netbuff.h>
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#include <grub/time.h>
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#include <grub/time.h>
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@ -27,6 +28,7 @@
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#include <grub/command.h>
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#include <grub/command.h>
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#include <grub/env.h>
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#include <grub/env.h>
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#include <grub/net/ethernet.h>
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#include <grub/net/ethernet.h>
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#include <grub/datetime.h>
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GRUB_MOD_LICENSE ("GPLv3+");
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GRUB_MOD_LICENSE ("GPLv3+");
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@ -54,8 +56,11 @@ static struct grub_fs grub_net_fs;
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static inline void
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static inline void
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grub_net_network_level_interface_unregister (struct grub_net_network_level_interface *inter)
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grub_net_network_level_interface_unregister (struct grub_net_network_level_interface *inter)
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{
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{
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grub_list_remove (GRUB_AS_LIST_P (&grub_net_network_level_interfaces),
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*inter->prev = inter->next;
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GRUB_AS_LIST (inter));
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if (inter->next)
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inter->next->prev = inter->prev;
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inter->next = 0;
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inter->prev = 0;
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}
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}
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static inline void
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static inline void
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@ -112,6 +117,8 @@ match_net (const grub_net_network_level_netaddress_t *net,
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return 0;
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return 0;
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switch (net->type)
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switch (net->type)
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{
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{
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case GRUB_NET_NETWORK_LEVEL_PROTOCOL_PROMISC:
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return 0;
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case GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4:
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case GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4:
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{
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{
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grub_int32_t mask = ((1 << net->ipv4.masksize) - 1) << (32 - net->ipv4.masksize);
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grub_int32_t mask = ((1 << net->ipv4.masksize) - 1) << (32 - net->ipv4.masksize);
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@ -229,6 +236,9 @@ grub_net_addr_to_str (const grub_net_network_level_address_t *target, char *buf)
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{
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{
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switch (target->type)
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switch (target->type)
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{
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{
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case GRUB_NET_NETWORK_LEVEL_PROTOCOL_PROMISC:
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grub_strcpy (buf, "promisc");
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return;
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case GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4:
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case GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4:
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{
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{
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grub_uint32_t n = grub_be_to_cpu32 (target->ipv4);
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grub_uint32_t n = grub_be_to_cpu32 (target->ipv4);
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@ -270,6 +280,23 @@ hwaddr_to_str (const grub_net_link_level_address_t *addr, char *str)
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grub_printf ("Unsupported hw address type %d\n", addr->type);
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grub_printf ("Unsupported hw address type %d\n", addr->type);
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}
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}
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int
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grub_net_hwaddr_cmp (const grub_net_link_level_address_t *a,
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const grub_net_link_level_address_t *b)
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{
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if (a->type < b->type)
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return -1;
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if (a->type > b->type)
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return +1;
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switch (a->type)
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{
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case GRUB_NET_LINK_LEVEL_PROTOCOL_ETHERNET:
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return grub_memcmp (a->mac, b->mac, sizeof (a->mac));
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}
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grub_printf ("Unsupported hw address type %d\n", a->type);
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return 1;
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}
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/* FIXME: implement this. */
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/* FIXME: implement this. */
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static char *
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static char *
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hwaddr_set_env (struct grub_env_var *var __attribute__ ((unused)),
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hwaddr_set_env (struct grub_env_var *var __attribute__ ((unused)),
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@ -307,12 +334,16 @@ grub_net_network_level_interface_register (struct grub_net_network_level_interfa
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grub_register_variable_hook (name, 0, addr_set_env);
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grub_register_variable_hook (name, 0, addr_set_env);
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}
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}
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grub_list_push (GRUB_AS_LIST_P (&grub_net_network_level_interfaces),
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inter->prev = &grub_net_network_level_interfaces;
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GRUB_AS_LIST (inter));
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inter->next = grub_net_network_level_interfaces;
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if (inter->next)
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inter->next->prev = &inter->next;
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grub_net_network_level_interfaces = inter;
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}
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}
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struct grub_net_network_level_interface *
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struct grub_net_network_level_interface *
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grub_net_add_addr (const char *name, struct grub_net_card *card,
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grub_net_add_addr (const char *name,
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const struct grub_net_card *card,
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grub_net_network_level_address_t addr,
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grub_net_network_level_address_t addr,
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grub_net_link_level_address_t hwaddress,
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grub_net_link_level_address_t hwaddress,
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grub_net_interface_flags_t flags)
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grub_net_interface_flags_t flags)
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@ -488,6 +519,9 @@ print_net_address (const grub_net_network_level_netaddress_t *target)
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{
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{
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switch (target->type)
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switch (target->type)
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{
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{
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case GRUB_NET_NETWORK_LEVEL_PROTOCOL_PROMISC:
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grub_printf ("promisc\n");
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break;
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case GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4:
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case GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4:
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{
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{
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grub_uint32_t n = grub_be_to_cpu32 (target->ipv4.base);
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grub_uint32_t n = grub_be_to_cpu32 (target->ipv4.base);
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@ -546,6 +580,23 @@ grub_cmd_listcards (struct grub_command *cmd __attribute__ ((unused)),
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return GRUB_ERR_NONE;
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return GRUB_ERR_NONE;
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}
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}
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static grub_err_t
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grub_cmd_listaddrs (struct grub_command *cmd __attribute__ ((unused)),
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int argc __attribute__ ((unused)),
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char **args __attribute__ ((unused)))
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{
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struct grub_net_network_level_interface *inf;
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FOR_NET_NETWORK_LEVEL_INTERFACES (inf)
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{
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char bufh[MAX_STR_HWADDR_LEN];
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char bufn[GRUB_NET_MAX_STR_ADDR_LEN];
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hwaddr_to_str (&inf->hwaddress, bufh);
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grub_net_addr_to_str (&inf->address, bufn);
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grub_printf ("%s %s %s\n", inf->name, bufh, bufn);
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}
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return GRUB_ERR_NONE;
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}
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grub_net_app_level_t grub_net_app_level_list;
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grub_net_app_level_t grub_net_app_level_list;
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struct grub_net_socket *grub_net_sockets;
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struct grub_net_socket *grub_net_sockets;
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@ -649,22 +700,27 @@ grub_net_fs_close (grub_file_t file)
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static void
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static void
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receive_packets (struct grub_net_card *card)
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receive_packets (struct grub_net_card *card)
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{
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{
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/* Maybe should be better have a fixed number of packets for each card
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while (1)
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and just mark them as used and not used. */
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struct grub_net_buff *nb;
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grub_ssize_t actual;
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nb = grub_netbuff_alloc (1500);
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if (!nb)
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{
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{
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grub_print_error ();
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/* Maybe should be better have a fixed number of packets for each card
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return;
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and just mark them as used and not used. */
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}
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struct grub_net_buff *nb;
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grub_ssize_t actual;
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nb = grub_netbuff_alloc (1500);
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if (!nb)
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{
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grub_print_error ();
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return;
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}
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actual = card->driver->recv (card, nb);
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actual = card->driver->recv (card, nb);
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if (actual < 0)
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if (actual < 0)
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grub_netbuff_free (nb);
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{
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else
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grub_netbuff_free (nb);
|
||||||
grub_net_recv_ethernet_packet (nb);
|
break;
|
||||||
|
}
|
||||||
|
grub_net_recv_ethernet_packet (nb, card);
|
||||||
|
}
|
||||||
grub_print_error ();
|
grub_print_error ();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -828,9 +884,10 @@ parse_dhcp_vendor (const char *name, void *vend, int limit)
|
||||||
#define OFFSET_OF(x, y) ((grub_uint8_t *)((y)->x) - (grub_uint8_t *)(y))
|
#define OFFSET_OF(x, y) ((grub_uint8_t *)((y)->x) - (grub_uint8_t *)(y))
|
||||||
|
|
||||||
struct grub_net_network_level_interface *
|
struct grub_net_network_level_interface *
|
||||||
grub_net_configure_by_dhcp_ack (const char *name, struct grub_net_card *card,
|
grub_net_configure_by_dhcp_ack (const char *name,
|
||||||
|
const struct grub_net_card *card,
|
||||||
grub_net_interface_flags_t flags,
|
grub_net_interface_flags_t flags,
|
||||||
struct grub_net_bootp_ack *bp,
|
const struct grub_net_bootp_packet *bp,
|
||||||
grub_size_t size)
|
grub_size_t size)
|
||||||
{
|
{
|
||||||
grub_net_network_level_address_t addr;
|
grub_net_network_level_address_t addr;
|
||||||
|
@ -889,6 +946,38 @@ grub_net_configure_by_dhcp_ack (const char *name, struct grub_net_card *card,
|
||||||
return inter;
|
return inter;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
grub_net_process_dhcp (struct grub_net_buff *nb,
|
||||||
|
const struct grub_net_card *card)
|
||||||
|
{
|
||||||
|
char *name;
|
||||||
|
struct grub_net_network_level_interface *inf;
|
||||||
|
|
||||||
|
name = grub_xasprintf ("%s:dhcp", card->name);
|
||||||
|
if (!name)
|
||||||
|
{
|
||||||
|
grub_print_error ();
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
grub_net_configure_by_dhcp_ack (name, card,
|
||||||
|
0, (const struct grub_net_bootp_packet *) nb->data,
|
||||||
|
(nb->tail - nb->data));
|
||||||
|
grub_free (name);
|
||||||
|
if (grub_errno)
|
||||||
|
grub_print_error ();
|
||||||
|
else
|
||||||
|
{
|
||||||
|
FOR_NET_NETWORK_LEVEL_INTERFACES(inf)
|
||||||
|
if (grub_memcmp (inf->name, card->name, grub_strlen (card->name)) == 0
|
||||||
|
&& grub_memcmp (inf->name + grub_strlen (card->name),
|
||||||
|
":dhcp_tmp", sizeof (":dhcp_tmp") - 1) == 0)
|
||||||
|
{
|
||||||
|
grub_net_network_level_interface_unregister (inf);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
static char
|
static char
|
||||||
hexdigit (grub_uint8_t val)
|
hexdigit (grub_uint8_t val)
|
||||||
{
|
{
|
||||||
|
@ -1011,6 +1100,131 @@ grub_cmd_dhcpopt (struct grub_command *cmd __attribute__ ((unused)),
|
||||||
"unrecognised format specification %s", args[3]);
|
"unrecognised format specification %s", args[3]);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static grub_err_t
|
||||||
|
grub_cmd_bootp (struct grub_command *cmd __attribute__ ((unused)),
|
||||||
|
int argc, char **args)
|
||||||
|
{
|
||||||
|
struct grub_net_card *card;
|
||||||
|
struct grub_net_network_level_interface *ifaces;
|
||||||
|
grub_size_t ncards = 0;
|
||||||
|
unsigned j = 0;
|
||||||
|
int interval;
|
||||||
|
grub_err_t err;
|
||||||
|
|
||||||
|
FOR_NET_CARDS (card)
|
||||||
|
{
|
||||||
|
if (argc > 0 && grub_strcmp (card->name, args[0]) != 0)
|
||||||
|
continue;
|
||||||
|
ncards++;
|
||||||
|
}
|
||||||
|
|
||||||
|
ifaces = grub_zalloc (ncards * sizeof (ifaces[0]));
|
||||||
|
if (!ifaces)
|
||||||
|
return grub_errno;
|
||||||
|
|
||||||
|
j = 0;
|
||||||
|
FOR_NET_CARDS (card)
|
||||||
|
{
|
||||||
|
if (argc > 0 && grub_strcmp (card->name, args[0]) != 0)
|
||||||
|
continue;
|
||||||
|
ifaces[j].card = card;
|
||||||
|
ifaces[j].next = &ifaces[j+1];
|
||||||
|
if (j)
|
||||||
|
ifaces[j].prev = &ifaces[j-1].next;
|
||||||
|
ifaces[j].name = grub_xasprintf ("%s:dhcp_tmp", card->name);
|
||||||
|
if (!ifaces[j].name)
|
||||||
|
{
|
||||||
|
unsigned i;
|
||||||
|
for (i = 0; i < j; i++)
|
||||||
|
grub_free (ifaces[i].name);
|
||||||
|
grub_free (ifaces);
|
||||||
|
return grub_errno;
|
||||||
|
}
|
||||||
|
ifaces[j].address.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_PROMISC;
|
||||||
|
grub_memcpy (&ifaces[j].hwaddress, &card->default_address,
|
||||||
|
sizeof (ifaces[j].hwaddress));
|
||||||
|
j++;
|
||||||
|
}
|
||||||
|
ifaces[ncards - 1].next = grub_net_network_level_interfaces;
|
||||||
|
if (grub_net_network_level_interfaces)
|
||||||
|
grub_net_network_level_interfaces->prev = & ifaces[ncards - 1].next;
|
||||||
|
grub_net_network_level_interfaces = &ifaces[0];
|
||||||
|
ifaces[0].prev = &grub_net_network_level_interfaces;
|
||||||
|
for (interval = 200; interval < 10000; interval *= 2)
|
||||||
|
{
|
||||||
|
int done = 0;
|
||||||
|
for (j = 0; j < ncards; j++)
|
||||||
|
{
|
||||||
|
struct grub_net_bootp_packet *pack;
|
||||||
|
struct grub_datetime date;
|
||||||
|
grub_int32_t t;
|
||||||
|
struct grub_net_buff *nb;
|
||||||
|
struct udphdr *udph;
|
||||||
|
grub_net_network_level_address_t target;
|
||||||
|
|
||||||
|
if (!ifaces[j].prev)
|
||||||
|
continue;
|
||||||
|
nb = grub_netbuff_alloc (sizeof (*pack));
|
||||||
|
if (!nb)
|
||||||
|
return grub_errno;
|
||||||
|
err = grub_netbuff_reserve (nb, sizeof (*pack) + 64 + 128);
|
||||||
|
if (err)
|
||||||
|
return err;
|
||||||
|
err = grub_netbuff_push (nb, sizeof (*pack) + 64);
|
||||||
|
if (err)
|
||||||
|
return err;
|
||||||
|
pack = (void *) nb->data;
|
||||||
|
done = 1;
|
||||||
|
grub_memset (pack, 0, sizeof (*pack) + 64);
|
||||||
|
pack->opcode = 1;
|
||||||
|
pack->hw_type = 1;
|
||||||
|
pack->hw_len = 6;
|
||||||
|
err = grub_get_datetime (&date);
|
||||||
|
if (err || !grub_datetime2unixtime (&date, &t))
|
||||||
|
{
|
||||||
|
grub_errno = GRUB_ERR_NONE;
|
||||||
|
t = 0;
|
||||||
|
}
|
||||||
|
pack->ident = grub_cpu_to_be32 (t);
|
||||||
|
pack->seconds = 0;//grub_cpu_to_be16 (t);
|
||||||
|
|
||||||
|
grub_memcpy (&pack->mac_addr, &ifaces[j].hwaddress.mac, 6);
|
||||||
|
|
||||||
|
grub_netbuff_push (nb, sizeof (*udph));
|
||||||
|
|
||||||
|
udph = (struct udphdr *) nb->data;
|
||||||
|
udph->src = grub_cpu_to_be16 (68);
|
||||||
|
udph->dst = grub_cpu_to_be16 (67);
|
||||||
|
udph->chksum = 0;
|
||||||
|
udph->len = grub_cpu_to_be16 (nb->tail - nb->data);
|
||||||
|
|
||||||
|
target.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4;
|
||||||
|
target.ipv4 = 0xffffffff;
|
||||||
|
|
||||||
|
err = grub_net_send_ip_packet (&ifaces[j], &target, nb);
|
||||||
|
if (err)
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
if (!done)
|
||||||
|
break;
|
||||||
|
grub_net_poll_cards (interval);
|
||||||
|
}
|
||||||
|
|
||||||
|
err = GRUB_ERR_NONE;
|
||||||
|
for (j = 0; j < ncards; j++)
|
||||||
|
{
|
||||||
|
if (!ifaces[j].prev)
|
||||||
|
continue;
|
||||||
|
grub_error_push ();
|
||||||
|
grub_net_network_level_interface_unregister (&ifaces[j]);
|
||||||
|
err = grub_error (GRUB_ERR_FILE_NOT_FOUND, "couldn't configure %s",
|
||||||
|
ifaces[j].card->name);
|
||||||
|
}
|
||||||
|
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
static struct grub_fs grub_net_fs =
|
static struct grub_fs grub_net_fs =
|
||||||
{
|
{
|
||||||
.name = "netfs",
|
.name = "netfs",
|
||||||
|
@ -1023,7 +1237,8 @@ static struct grub_fs grub_net_fs =
|
||||||
.mtime = NULL,
|
.mtime = NULL,
|
||||||
};
|
};
|
||||||
static grub_command_t cmd_addaddr, cmd_deladdr, cmd_addroute, cmd_delroute;
|
static grub_command_t cmd_addaddr, cmd_deladdr, cmd_addroute, cmd_delroute;
|
||||||
static grub_command_t cmd_lsroutes, cmd_lscards, cmd_getdhcp;
|
static grub_command_t cmd_lsroutes, cmd_lscards, cmd_getdhcp, cmd_bootp;
|
||||||
|
static grub_command_t cmd_dhcp, cmd_lsaddr;
|
||||||
|
|
||||||
GRUB_MOD_INIT(net)
|
GRUB_MOD_INIT(net)
|
||||||
{
|
{
|
||||||
|
@ -1043,6 +1258,14 @@ GRUB_MOD_INIT(net)
|
||||||
"", N_("list network routes"));
|
"", N_("list network routes"));
|
||||||
cmd_lscards = grub_register_command ("net_ls_cards", grub_cmd_listcards,
|
cmd_lscards = grub_register_command ("net_ls_cards", grub_cmd_listcards,
|
||||||
"", N_("list network cards"));
|
"", N_("list network cards"));
|
||||||
|
cmd_lsaddr = grub_register_command ("net_ls_addr", grub_cmd_listaddrs,
|
||||||
|
"", N_("list network addresses"));
|
||||||
|
cmd_bootp = grub_register_command ("net_bootp", grub_cmd_bootp,
|
||||||
|
"[CARD]",
|
||||||
|
N_("perform a bootp autoconfiguration"));
|
||||||
|
cmd_dhcp = grub_register_command ("net_dhcp", grub_cmd_bootp,
|
||||||
|
"[CARD]",
|
||||||
|
N_("perform a bootp autoconfiguration"));
|
||||||
cmd_getdhcp = grub_register_command ("net_get_dhcp_option", grub_cmd_dhcpopt,
|
cmd_getdhcp = grub_register_command ("net_get_dhcp_option", grub_cmd_dhcpopt,
|
||||||
N_("VAR INTERFACE NUMBER DESCRIPTION"),
|
N_("VAR INTERFACE NUMBER DESCRIPTION"),
|
||||||
N_("retrieve DHCP option and save it into VAR. If VAR is - then print the value."));
|
N_("retrieve DHCP option and save it into VAR. If VAR is - then print the value."));
|
||||||
|
@ -1060,6 +1283,7 @@ GRUB_MOD_FINI(net)
|
||||||
grub_unregister_command (cmd_delroute);
|
grub_unregister_command (cmd_delroute);
|
||||||
grub_unregister_command (cmd_lsroutes);
|
grub_unregister_command (cmd_lsroutes);
|
||||||
grub_unregister_command (cmd_lscards);
|
grub_unregister_command (cmd_lscards);
|
||||||
|
grub_unregister_command (cmd_lsaddr);
|
||||||
grub_unregister_command (cmd_getdhcp);
|
grub_unregister_command (cmd_getdhcp);
|
||||||
grub_fs_unregister (&grub_net_fs);
|
grub_fs_unregister (&grub_net_fs);
|
||||||
grub_net_open = NULL;
|
grub_net_open = NULL;
|
||||||
|
|
|
@ -24,7 +24,7 @@ tftp_open (struct grub_file *file, const char *filename)
|
||||||
tftp_data_t data;
|
tftp_data_t data;
|
||||||
grub_err_t err;
|
grub_err_t err;
|
||||||
|
|
||||||
data = grub_malloc (sizeof *data);
|
data = grub_malloc (sizeof (*data));
|
||||||
if (!data)
|
if (!data)
|
||||||
return grub_errno;
|
return grub_errno;
|
||||||
|
|
||||||
|
@ -86,7 +86,7 @@ tftp_open (struct grub_file *file, const char *filename)
|
||||||
/* Retry. */
|
/* Retry. */
|
||||||
/*err = grub_net_send_udp_packet (file->device->net->socket, &nb);
|
/*err = grub_net_send_udp_packet (file->device->net->socket, &nb);
|
||||||
if (err)
|
if (err)
|
||||||
return err; */
|
return err; */
|
||||||
}
|
}
|
||||||
|
|
||||||
if (file->device->net->socket->status == 0)
|
if (file->device->net->socket->status == 0)
|
||||||
|
@ -154,8 +154,8 @@ tftp_receive (grub_net_socket_t sock, struct grub_net_buff *nb)
|
||||||
}
|
}
|
||||||
grub_netbuff_clear (&nb_ack);
|
grub_netbuff_clear (&nb_ack);
|
||||||
grub_netbuff_reserve (&nb_ack, 128);
|
grub_netbuff_reserve (&nb_ack, 128);
|
||||||
grub_netbuff_push (&nb_ack, sizeof (tftph->opcode)
|
grub_netbuff_push (&nb_ack, sizeof (tftph->opcode)
|
||||||
+ sizeof (tftph->u.ack.block));
|
+ sizeof (tftph->u.ack.block));
|
||||||
|
|
||||||
tftph = (struct tftphdr *) nb_ack.data;
|
tftph = (struct tftphdr *) nb_ack.data;
|
||||||
tftph->opcode = grub_cpu_to_be16 (TFTP_ACK);
|
tftph->opcode = grub_cpu_to_be16 (TFTP_ACK);
|
||||||
|
@ -180,12 +180,12 @@ static struct grub_net_app_protocol grub_tftp_protocol =
|
||||||
.close = tftp_close
|
.close = tftp_close
|
||||||
};
|
};
|
||||||
|
|
||||||
GRUB_MOD_INIT(tftp)
|
GRUB_MOD_INIT (tftp)
|
||||||
{
|
{
|
||||||
grub_net_app_level_register (&grub_tftp_protocol);
|
grub_net_app_level_register (&grub_tftp_protocol);
|
||||||
}
|
}
|
||||||
|
|
||||||
GRUB_MOD_FINI(tftp)
|
GRUB_MOD_FINI (tftp)
|
||||||
{
|
{
|
||||||
grub_net_app_level_unregister (&grub_tftp_protocol);
|
grub_net_app_level_unregister (&grub_tftp_protocol);
|
||||||
}
|
}
|
||||||
|
|
|
@ -24,7 +24,8 @@ grub_net_send_udp_packet (const grub_net_socket_t socket,
|
||||||
}
|
}
|
||||||
|
|
||||||
grub_err_t
|
grub_err_t
|
||||||
grub_net_recv_udp_packet (struct grub_net_buff *nb)
|
grub_net_recv_udp_packet (struct grub_net_buff * nb,
|
||||||
|
struct grub_net_network_level_interface * inf)
|
||||||
{
|
{
|
||||||
struct udphdr *udph;
|
struct udphdr *udph;
|
||||||
grub_net_socket_t sock;
|
grub_net_socket_t sock;
|
||||||
|
@ -33,7 +34,8 @@ grub_net_recv_udp_packet (struct grub_net_buff *nb)
|
||||||
|
|
||||||
FOR_NET_SOCKETS (sock)
|
FOR_NET_SOCKETS (sock)
|
||||||
{
|
{
|
||||||
if (grub_be_to_cpu16 (udph->dst) == sock->in_port)
|
if (grub_be_to_cpu16 (udph->dst) == sock->in_port
|
||||||
|
&& inf == sock->inf && sock->app)
|
||||||
{
|
{
|
||||||
if (sock->status == 0)
|
if (sock->status == 0)
|
||||||
sock->out_port = grub_be_to_cpu16 (udph->src);
|
sock->out_port = grub_be_to_cpu16 (udph->src);
|
||||||
|
@ -41,7 +43,7 @@ grub_net_recv_udp_packet (struct grub_net_buff *nb)
|
||||||
/* App protocol remove its own reader. */
|
/* App protocol remove its own reader. */
|
||||||
sock->app->read (sock, nb);
|
sock->app->read (sock, nb);
|
||||||
|
|
||||||
/* If there is data, puts packet in socket list. */
|
/* If there is data, puts packet in socket list. */
|
||||||
if ((nb->tail - nb->data) > 0)
|
if ((nb->tail - nb->data) > 0)
|
||||||
grub_net_put_packet (&sock->packs, nb);
|
grub_net_put_packet (&sock->packs, nb);
|
||||||
else
|
else
|
||||||
|
@ -49,6 +51,8 @@ grub_net_recv_udp_packet (struct grub_net_buff *nb)
|
||||||
return GRUB_ERR_NONE;
|
return GRUB_ERR_NONE;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
if (grub_be_to_cpu16 (udph->dst) == 68)
|
||||||
|
grub_net_process_dhcp (nb, inf->card);
|
||||||
grub_netbuff_free (nb);
|
grub_netbuff_free (nb);
|
||||||
return GRUB_ERR_NONE;
|
return GRUB_ERR_NONE;
|
||||||
}
|
}
|
||||||
|
|
6
include/grub/emu/export.h
Normal file
6
include/grub/emu/export.h
Normal file
|
@ -0,0 +1,6 @@
|
||||||
|
void EXPORT_FUNC (open64) (void);
|
||||||
|
void EXPORT_FUNC (close) (void);
|
||||||
|
void EXPORT_FUNC (read) (void);
|
||||||
|
void EXPORT_FUNC (write) (void);
|
||||||
|
void EXPORT_FUNC (ioctl) (void);
|
||||||
|
|
|
@ -62,8 +62,10 @@ struct grub_net_card_driver
|
||||||
char *name;
|
char *name;
|
||||||
grub_err_t (*init) (struct grub_net_card *dev);
|
grub_err_t (*init) (struct grub_net_card *dev);
|
||||||
grub_err_t (*fini) (struct grub_net_card *dev);
|
grub_err_t (*fini) (struct grub_net_card *dev);
|
||||||
grub_err_t (*send) (struct grub_net_card *dev, struct grub_net_buff *buf);
|
grub_err_t (*send) (const struct grub_net_card *dev,
|
||||||
grub_ssize_t (*recv) (struct grub_net_card *dev, struct grub_net_buff *buf);
|
struct grub_net_buff *buf);
|
||||||
|
grub_ssize_t (*recv) (const struct grub_net_card *dev,
|
||||||
|
struct grub_net_buff *buf);
|
||||||
};
|
};
|
||||||
|
|
||||||
extern struct grub_net_card_driver *grub_net_card_drivers;
|
extern struct grub_net_card_driver *grub_net_card_drivers;
|
||||||
|
@ -116,6 +118,7 @@ struct grub_net_network_level_interface;
|
||||||
|
|
||||||
typedef enum grub_network_level_protocol_id
|
typedef enum grub_network_level_protocol_id
|
||||||
{
|
{
|
||||||
|
GRUB_NET_NETWORK_LEVEL_PROTOCOL_PROMISC,
|
||||||
GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4
|
GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4
|
||||||
} grub_network_level_protocol_id_t;
|
} grub_network_level_protocol_id_t;
|
||||||
|
|
||||||
|
@ -243,12 +246,13 @@ extern grub_err_t (*EXPORT_VAR (grub_file_net_seek)) (struct grub_file *file, gr
|
||||||
struct grub_net_network_level_interface
|
struct grub_net_network_level_interface
|
||||||
{
|
{
|
||||||
struct grub_net_network_level_interface *next;
|
struct grub_net_network_level_interface *next;
|
||||||
|
struct grub_net_network_level_interface **prev;
|
||||||
char *name;
|
char *name;
|
||||||
struct grub_net_card *card;
|
const struct grub_net_card *card;
|
||||||
grub_net_network_level_address_t address;
|
grub_net_network_level_address_t address;
|
||||||
grub_net_link_level_address_t hwaddress;
|
grub_net_link_level_address_t hwaddress;
|
||||||
grub_net_interface_flags_t flags;
|
grub_net_interface_flags_t flags;
|
||||||
struct grub_net_bootp_ack *dhcp_ack;
|
struct grub_net_bootp_packet *dhcp_ack;
|
||||||
grub_size_t dhcp_acklen;
|
grub_size_t dhcp_acklen;
|
||||||
void *data;
|
void *data;
|
||||||
};
|
};
|
||||||
|
@ -291,7 +295,8 @@ grub_net_session_recv (struct grub_net_session *session, void *buf,
|
||||||
}
|
}
|
||||||
|
|
||||||
struct grub_net_network_level_interface *
|
struct grub_net_network_level_interface *
|
||||||
grub_net_add_addr (const char *name, struct grub_net_card *card,
|
grub_net_add_addr (const char *name,
|
||||||
|
const struct grub_net_card *card,
|
||||||
grub_net_network_level_address_t addr,
|
grub_net_network_level_address_t addr,
|
||||||
grub_net_link_level_address_t hwaddress,
|
grub_net_link_level_address_t hwaddress,
|
||||||
grub_net_interface_flags_t flags);
|
grub_net_interface_flags_t flags);
|
||||||
|
@ -369,7 +374,7 @@ grub_net_add_route_gw (const char *name,
|
||||||
|
|
||||||
typedef grub_uint8_t grub_net_bootp_mac_addr_t[GRUB_NET_BOOTP_MAC_ADDR_LEN];
|
typedef grub_uint8_t grub_net_bootp_mac_addr_t[GRUB_NET_BOOTP_MAC_ADDR_LEN];
|
||||||
|
|
||||||
struct grub_net_bootp_ack
|
struct grub_net_bootp_packet
|
||||||
{
|
{
|
||||||
grub_uint8_t opcode;
|
grub_uint8_t opcode;
|
||||||
grub_uint8_t hw_type; /* hardware type. */
|
grub_uint8_t hw_type; /* hardware type. */
|
||||||
|
@ -391,11 +396,21 @@ struct grub_net_bootp_ack
|
||||||
#define GRUB_NET_BOOTP_RFC1048_MAGIC 0x63825363L
|
#define GRUB_NET_BOOTP_RFC1048_MAGIC 0x63825363L
|
||||||
|
|
||||||
struct grub_net_network_level_interface *
|
struct grub_net_network_level_interface *
|
||||||
grub_net_configure_by_dhcp_ack (const char *name, struct grub_net_card *card,
|
grub_net_configure_by_dhcp_ack (const char *name,
|
||||||
|
const struct grub_net_card *card,
|
||||||
grub_net_interface_flags_t flags,
|
grub_net_interface_flags_t flags,
|
||||||
struct grub_net_bootp_ack *bp,
|
const struct grub_net_bootp_packet *bp,
|
||||||
grub_size_t size);
|
grub_size_t size);
|
||||||
|
|
||||||
|
void
|
||||||
|
grub_net_process_dhcp (struct grub_net_buff *nb,
|
||||||
|
const struct grub_net_card *card);
|
||||||
|
|
||||||
|
int
|
||||||
|
grub_net_hwaddr_cmp (const grub_net_link_level_address_t *a,
|
||||||
|
const grub_net_link_level_address_t *b);
|
||||||
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
Currently suppoerted adresses:
|
Currently suppoerted adresses:
|
||||||
IPv4: XXX.XXX.XXX.XXX
|
IPv4: XXX.XXX.XXX.XXX
|
||||||
|
@ -420,8 +435,11 @@ typedef int
|
||||||
grub_err_t grub_net_recv_link_layer (struct grub_net_network_level_interface *inf,
|
grub_err_t grub_net_recv_link_layer (struct grub_net_network_level_interface *inf,
|
||||||
grub_net_packet_handler_t handler);
|
grub_net_packet_handler_t handler);
|
||||||
|
|
||||||
grub_err_t
|
|
||||||
grub_net_recv_ip_packets (struct grub_net_buff *nb);
|
grub_err_t
|
||||||
|
grub_net_recv_ip_packets (struct grub_net_buff *nb,
|
||||||
|
const struct grub_net_card *card,
|
||||||
|
const grub_net_link_level_address_t *hwaddress);
|
||||||
|
|
||||||
grub_err_t
|
grub_err_t
|
||||||
grub_net_send_ip_packet (struct grub_net_network_level_interface *inf,
|
grub_net_send_ip_packet (struct grub_net_network_level_interface *inf,
|
||||||
|
|
|
@ -12,19 +12,6 @@ struct etherhdr
|
||||||
grub_uint16_t type;
|
grub_uint16_t type;
|
||||||
} __attribute__ ((packed));
|
} __attribute__ ((packed));
|
||||||
|
|
||||||
#define PCP(x) x & 0xe000
|
|
||||||
#define CFI(x) x & 0x1000
|
|
||||||
#define VID(x) x & 0x0fff
|
|
||||||
#define PRINT_ETH_ADDR(name,addr) grub_printf("%s %x:%x:%x:%x:%x:%x\n",\
|
|
||||||
name,\
|
|
||||||
addr[0],\
|
|
||||||
addr[1],\
|
|
||||||
addr[2],\
|
|
||||||
addr[3],\
|
|
||||||
addr[4],\
|
|
||||||
addr[5]\
|
|
||||||
)
|
|
||||||
|
|
||||||
struct llchdr
|
struct llchdr
|
||||||
{
|
{
|
||||||
grub_uint8_t dsap;
|
grub_uint8_t dsap;
|
||||||
|
@ -52,6 +39,7 @@ send_ethernet_packet (struct grub_net_network_level_interface *inf,
|
||||||
grub_net_link_level_address_t target_addr,
|
grub_net_link_level_address_t target_addr,
|
||||||
grub_uint16_t ethertype);
|
grub_uint16_t ethertype);
|
||||||
grub_err_t
|
grub_err_t
|
||||||
grub_net_recv_ethernet_packet (struct grub_net_buff *nb);
|
grub_net_recv_ethernet_packet (struct grub_net_buff *nb,
|
||||||
|
const struct grub_net_card *card);
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
|
@ -26,5 +26,5 @@ grub_err_t grub_netbuff_reserve (struct grub_net_buff *net_buff ,grub_size_t len
|
||||||
grub_err_t grub_netbuff_clear (struct grub_net_buff *net_buff);
|
grub_err_t grub_netbuff_clear (struct grub_net_buff *net_buff);
|
||||||
struct grub_net_buff * grub_netbuff_alloc ( grub_size_t len );
|
struct grub_net_buff * grub_netbuff_alloc ( grub_size_t len );
|
||||||
grub_err_t grub_netbuff_free (struct grub_net_buff *net_buff);
|
grub_err_t grub_netbuff_free (struct grub_net_buff *net_buff);
|
||||||
grub_err_t grub_netbuff_clear (struct grub_net_buff *net_buff);
|
|
||||||
#endif
|
#endif
|
||||||
|
|
|
@ -14,8 +14,9 @@ struct udphdr
|
||||||
grub_err_t
|
grub_err_t
|
||||||
grub_net_send_udp_packet (const grub_net_socket_t socket , struct grub_net_buff *nb);
|
grub_net_send_udp_packet (const grub_net_socket_t socket , struct grub_net_buff *nb);
|
||||||
|
|
||||||
grub_err_t
|
grub_err_t
|
||||||
grub_net_recv_udp_packet (struct grub_net_buff *nb);
|
grub_net_recv_udp_packet (struct grub_net_buff *nb,
|
||||||
|
struct grub_net_network_level_interface *inf);
|
||||||
|
|
||||||
|
|
||||||
#define FOR_NET_UDP_PACKETS(inf, var) FOR_PACKETS(inf->udp_pending, var)
|
#define FOR_NET_UDP_PACKETS(inf, var) FOR_PACKETS(inf->udp_pending, var)
|
||||||
|
|
Loading…
Reference in a new issue