2N/A

2N/A#ifndef GRUB_NET_HEADER

2N/A#define GRUB_NET_HEADER 1

2N/A

2N/A#include <grub/types.h>

2N/A#include <grub/err.h>

2N/A#include <grub/list.h>

2N/A#include <grub/fs.h>

2N/A#include <grub/file.h>

2N/A#include <grub/mm.h>

2N/A#include <grub/net/netbuff.h>

2N/A

2N/A {

2N/A GRUB_NET_MAX_LINK_HEADER_SIZE = 64,

2N/A GRUB_NET_UDP_HEADER_SIZE = 8,

2N/A GRUB_NET_TCP_HEADER_SIZE = 20,

2N/A GRUB_NET_OUR_IPV4_HEADER_SIZE = 20,

2N/A GRUB_NET_OUR_IPV6_HEADER_SIZE = 40,

2N/A GRUB_NET_OUR_MAX_IP_HEADER_SIZE = 40,

2N/A GRUB_NET_TCP_RESERVE_SIZE = GRUB_NET_TCP_HEADER_SIZE

2N/A + GRUB_NET_OUR_IPV4_HEADER_SIZE

2N/A + GRUB_NET_MAX_LINK_HEADER_SIZE

2N/A };

2N/A

2N/Atypedef enum grub_link_level_protocol_id

2N/A{

2N/A GRUB_NET_LINK_LEVEL_PROTOCOL_ETHERNET

2N/A} grub_link_level_protocol_id_t;

2N/A

2N/Atypedef struct grub_net_link_level_address

2N/A{

2N/A grub_link_level_protocol_id_t type;

2N/A union

2N/A {

2N/A grub_uint8_t mac[6];

2N/A };

2N/A} grub_net_link_level_address_t;

2N/A

2N/Atypedef enum grub_net_interface_flags

2N/A {

2N/A GRUB_NET_INTERFACE_HWADDRESS_IMMUTABLE = 1,

2N/A GRUB_NET_INTERFACE_ADDRESS_IMMUTABLE = 2,

2N/A GRUB_NET_INTERFACE_PERMANENT = 4

2N/A } grub_net_interface_flags_t;

2N/A

2N/Atypedef enum grub_net_card_flags

2N/A {

2N/A GRUB_NET_CARD_HWADDRESS_IMMUTABLE = 1,

2N/A GRUB_NET_CARD_NO_MANUAL_INTERFACES = 2

2N/A } grub_net_card_flags_t;

2N/A

2N/Astruct grub_net_card;

2N/A

2N/Astruct grub_net_card_driver

2N/A{

2N/A struct grub_net_card_driver *next;

2N/A const char *name;

2N/A grub_err_t (*open) (const struct grub_net_card *dev);

2N/A void (*close) (const struct grub_net_card *dev);

2N/A grub_err_t (*send) (const struct grub_net_card *dev,

2N/A struct grub_net_buff *buf);

2N/A struct grub_net_buff * (*recv) (const struct grub_net_card *dev);

2N/A};

2N/A

2N/Atypedef struct grub_net_packet

2N/A{

2N/A struct grub_net_packet *next;

2N/A struct grub_net_packet *prev;

2N/A struct grub_net_packets *up;

2N/A struct grub_net_buff *nb;

2N/A} grub_net_packet_t;

2N/A

2N/Atypedef struct grub_net_packets

2N/A{

2N/A grub_net_packet_t *first;

2N/A grub_net_packet_t *last;

2N/A} grub_net_packets_t;

2N/A

2N/A#ifdef GRUB_MACHINE_EFI

2N/A#include <grub/efi/api.h>

2N/A#endif

2N/A

2N/Astruct grub_net_slaac_mac_list

2N/A{

2N/A struct grub_net_slaac_mac_list *next;

2N/A grub_net_link_level_address_t address;

2N/A int slaac_counter;

2N/A char *name;

2N/A};

2N/A

2N/Astruct grub_net_link_layer_entry;

2N/A

2N/Astruct grub_net_card

2N/A{

2N/A struct grub_net_card *next;

2N/A const char *name;

2N/A struct grub_net_card_driver *driver;

2N/A grub_net_link_level_address_t default_address;

2N/A grub_net_card_flags_t flags;

2N/A int num_ifaces;

2N/A int opened;

2N/A unsigned idle_poll_delay_ms;

2N/A grub_uint64_t last_poll;

2N/A grub_size_t mtu;

2N/A struct grub_net_slaac_mac_list *slaac_list;

2N/A grub_ssize_t new_ll_entry;

2N/A struct grub_net_link_layer_entry *link_layer_table;

2N/A union

2N/A {

2N/A#ifdef GRUB_MACHINE_EFI

2N/A struct

2N/A {

2N/A struct grub_efi_simple_network *efi_net;

2N/A grub_efi_handle_t efi_handle;

2N/A };

2N/A#endif

2N/A void *data;

2N/A int data_num;

2N/A };

2N/A};

2N/A

2N/Astruct grub_net_network_level_interface;

2N/A

2N/Atypedef enum grub_network_level_protocol_id

2N/A{

2N/A GRUB_NET_NETWORK_LEVEL_PROTOCOL_DHCP_RECV,

2N/A GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4,

2N/A GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV6

2N/A} grub_network_level_protocol_id_t;

2N/A

2N/Atypedef struct grub_net_network_level_address

2N/A{

2N/A grub_network_level_protocol_id_t type;

2N/A union

2N/A {

2N/A grub_uint32_t ipv4;

2N/A grub_uint64_t ipv6[2];

2N/A };

2N/A} grub_net_network_level_address_t;

2N/A

2N/Atypedef struct grub_net_network_level_netaddress

2N/A{

2N/A grub_net_network_level_address_t addr;

2N/A int masksize;

2N/A} grub_net_network_level_netaddress_t;

2N/A

2N/A#define FOR_PACKETS(cont,var) for (var = (cont).first; var; var = var->next)

2N/A

2N/Astatic inline grub_err_t

2N/Agrub_net_put_packet (grub_net_packets_t *pkts, struct grub_net_buff *nb)

2N/A{

2N/A struct grub_net_packet *n;

2N/A

2N/A n = grub_malloc (sizeof (*n));

2N/A if (!n)

2N/A return grub_errno;

2N/A

2N/A n->nb = nb;

2N/A n->next = NULL;

2N/A n->prev = NULL;

2N/A n->up = pkts;

2N/A if (pkts->first)

2N/A {

2N/A pkts->last->next = n;

2N/A pkts->last = n;

2N/A n->prev = pkts->last;

2N/A }

2N/A else

2N/A pkts->first = pkts->last = n;

2N/A

2N/A return GRUB_ERR_NONE;

2N/A}

2N/A

2N/Astatic inline void

2N/Agrub_net_remove_packet (grub_net_packet_t *pkt)

2N/A{

2N/A if (pkt->prev)

2N/A pkt->prev->next = pkt->next;

2N/A else

2N/A pkt->up->first = pkt->next;

2N/A if (pkt->next)

2N/A pkt->next->prev = pkt->prev;

2N/A else

2N/A pkt->up->last = pkt->prev;

2N/A grub_free (pkt);

2N/A}

2N/A

2N/Atypedef struct grub_net_app_protocol *grub_net_app_level_t;

2N/A

2N/Atypedef struct grub_net_socket *grub_net_socket_t;

2N/A

2N/Astruct grub_net_app_protocol

2N/A{

2N/A struct grub_net_app_protocol *next;

2N/A const char *name;

2N/A grub_err_t (*dir) (grub_device_t device, const char *path,

2N/A int (*hook) (const char *filename,

2N/A const struct grub_dirhook_info *info));

2N/A grub_err_t (*open) (struct grub_file *file, const char *filename);

2N/A grub_err_t (*seek) (struct grub_file *file, grub_off_t off);

2N/A grub_err_t (*close) (struct grub_file *file);

2N/A};

2N/A

2N/Atypedef struct grub_net

2N/A{

2N/A char *server;

2N/A char *name;

2N/A grub_net_app_level_t protocol;

2N/A grub_net_packets_t packs;

2N/A grub_off_t offset;

2N/A grub_fs_t fs;

2N/A int eof;

2N/A} *grub_net_t;

2N/A

2N/Aextern grub_net_t (*EXPORT_VAR (grub_net_open)) (const char *name);

2N/A

2N/Astruct grub_net_network_level_interface

2N/A{

2N/A struct grub_net_network_level_interface *next;

2N/A struct grub_net_network_level_interface **prev;

2N/A char *name;

2N/A struct grub_net_card *card;

2N/A grub_net_network_level_netaddress_t address;

2N/A grub_net_link_level_address_t hwaddress;

2N/A grub_net_interface_flags_t flags;

2N/A struct grub_net_bootp_packet *dhcp_ack;

2N/A grub_size_t dhcp_acklen;

2N/A void *data;

2N/A};

2N/A

2N/Astruct grub_net_session;

2N/A

2N/Astruct grub_net_session_level_protocol

2N/A{

2N/A void (*close) (struct grub_net_session *session);

2N/A grub_ssize_t (*recv) (struct grub_net_session *session, void *buf,

2N/A grub_size_t size);

2N/A grub_err_t (*send) (struct grub_net_session *session, void *buf,

2N/A grub_size_t size);

2N/A};

2N/A

2N/Astruct grub_net_session

2N/A{

2N/A struct grub_net_session_level_protocol *protocol;

2N/A void *data;

2N/A};

2N/A

2N/Astatic inline void

2N/Agrub_net_session_close (struct grub_net_session *session)

2N/A{

2N/A session->protocol->close (session);

2N/A}

2N/A

2N/Astatic inline grub_err_t

2N/Agrub_net_session_send (struct grub_net_session *session, void *buf,

2N/A grub_size_t size)

2N/A{

2N/A return session->protocol->send (session, buf, size);

2N/A}

2N/A

2N/Astatic inline grub_ssize_t

2N/Agrub_net_session_recv (struct grub_net_session *session, void *buf,

2N/A grub_size_t size)

2N/A{

2N/A return session->protocol->recv (session, buf, size);

2N/A}

2N/A

2N/Astruct grub_net_network_level_interface *

2N/Agrub_net_add_addr (const char *name,

2N/A struct grub_net_card *card,

2N/A const grub_net_network_level_netaddress_t *addr,

2N/A const grub_net_link_level_address_t *hwaddress,

2N/A grub_net_interface_flags_t flags);

2N/A

2N/Aextern struct grub_net_network_level_interface *grub_net_network_level_interfaces;

2N/A#define FOR_NET_NETWORK_LEVEL_INTERFACES(var) for (var = grub_net_network_level_interfaces; var; var = var->next)

2N/A

2N/Aextern grub_net_app_level_t grub_net_app_level_list;

2N/A

2N/A#ifndef GRUB_LST_GENERATOR

2N/Astatic inline void

2N/Agrub_net_app_level_register (grub_net_app_level_t proto)

2N/A{

2N/A grub_list_push (GRUB_AS_LIST_P (&grub_net_app_level_list),

2N/A GRUB_AS_LIST (proto));

2N/A}

2N/A#endif

2N/A

2N/Astatic inline void

2N/Agrub_net_app_level_unregister (grub_net_app_level_t proto)

2N/A{

2N/A grub_list_remove (GRUB_AS_LIST_P (&grub_net_app_level_list),

2N/A GRUB_AS_LIST (proto));

2N/A}

2N/A

2N/A#define FOR_NET_APP_LEVEL(var) FOR_LIST_ELEMENTS((var), \

2N/A (grub_net_app_level_list))

2N/A

2N/Aextern struct grub_net_card *grub_net_cards;

2N/A

2N/Astatic inline void

2N/Agrub_net_card_register (struct grub_net_card *card)

2N/A{

2N/A grub_list_push (GRUB_AS_LIST_P (&grub_net_cards),

2N/A GRUB_AS_LIST (card));

2N/A}

2N/A

2N/Agrub_net_card_unregister (struct grub_net_card *card);

2N/A

2N/A#define FOR_NET_CARDS(var) for (var = grub_net_cards; var; var = var->next)

2N/A#define FOR_NET_CARDS_SAFE(var, next) for (var = grub_net_cards, next = (var ? var->next : 0); var; var = next, next = (var ? var->next : 0))

2N/A

2N/A

2N/Astruct grub_net_session *

2N/Agrub_net_open_tcp (char *address, grub_uint16_t port);

2N/A

2N/Agrub_net_resolve_address (const char *name,

2N/A grub_net_network_level_address_t *addr);

2N/A

2N/Agrub_net_resolve_net_address (const char *name,

2N/A grub_net_network_level_netaddress_t *addr);

2N/A

2N/Agrub_net_route_address (grub_net_network_level_address_t addr,

2N/A grub_net_network_level_address_t *gateway,

2N/A struct grub_net_network_level_interface **interf);

2N/A

2N/A

2N/Agrub_net_add_route (const char *name,

2N/A grub_net_network_level_netaddress_t target,

2N/A struct grub_net_network_level_interface *inter);

2N/A

2N/Agrub_net_add_route_gw (const char *name,

2N/A grub_net_network_level_netaddress_t target,

2N/A grub_net_network_level_address_t gw);

2N/A

2N/A

2N/A#define GRUB_NET_BOOTP_MAC_ADDR_LEN 16

2N/A

2N/Atypedef grub_uint8_t grub_net_bootp_mac_addr_t[GRUB_NET_BOOTP_MAC_ADDR_LEN];

2N/A

2N/Astruct grub_net_bootp_packet

2N/A{

2N/A grub_uint8_t opcode;

2N/A grub_uint8_t hw_type; /* hardware type. */

2N/A grub_uint8_t hw_len; /* hardware addr len. */

2N/A grub_uint8_t gate_hops; /* zero it. */

2N/A grub_uint32_t ident; /* random number chosen by client. */

2N/A grub_uint16_t seconds; /* seconds since did initial bootstrap. */

2N/A grub_uint16_t flags;

2N/A grub_uint32_t client_ip;

2N/A grub_uint32_t your_ip;

2N/A grub_uint32_t server_ip;

2N/A grub_uint32_t gateway_ip;

2N/A grub_net_bootp_mac_addr_t mac_addr;

2N/A char server_name[64];

2N/A char boot_file[128];

2N/A grub_uint8_t vendor[0];

2N/A} __attribute__ ((packed));

2N/A

2N/A#define GRUB_NET_BOOTP_RFC1048_MAGIC_0 0x63

2N/A#define GRUB_NET_BOOTP_RFC1048_MAGIC_1 0x82

2N/A#define GRUB_NET_BOOTP_RFC1048_MAGIC_2 0x53

2N/A#define GRUB_NET_BOOTP_RFC1048_MAGIC_3 0x63

2N/A

2N/A {

2N/A GRUB_NET_BOOTP_PAD = 0x00,

2N/A GRUB_NET_BOOTP_NETMASK = 0x01,

2N/A GRUB_NET_BOOTP_ROUTER = 0x03,

2N/A GRUB_NET_BOOTP_DNS = 0x06,

2N/A GRUB_NET_BOOTP_HOSTNAME = 0x0c,

2N/A GRUB_NET_BOOTP_DOMAIN = 0x0f,

2N/A GRUB_NET_BOOTP_ROOT_PATH = 0x11,

2N/A GRUB_NET_BOOTP_EXTENSIONS_PATH = 0x12,

2N/A GRUB_NET_BOOTP_END = 0xff

2N/A };

2N/A

2N/Astruct grub_net_network_level_interface *

2N/Agrub_net_configure_by_dhcp_ack (const char *name,

2N/A struct grub_net_card *card,

2N/A grub_net_interface_flags_t flags,

2N/A const struct grub_net_bootp_packet *bp,

2N/A grub_size_t size,

2N/A int is_def, char **device, char **path);

2N/A

2N/Agrub_net_process_dhcp (struct grub_net_buff *nb,

2N/A struct grub_net_card *card);

2N/A

2N/Agrub_net_hwaddr_cmp (const grub_net_link_level_address_t *a,

2N/A const grub_net_link_level_address_t *b);

2N/Agrub_net_addr_cmp (const grub_net_network_level_address_t *a,

2N/A const grub_net_network_level_address_t *b);

2N/A

2N/A

2N/A#define GRUB_NET_MAX_STR_ADDR_LEN sizeof ("XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX")

2N/A

2N/A

2N/A#define GRUB_NET_MAX_STR_HWADDR_LEN (sizeof ("XX:XX:XX:XX:XX:XX"))

2N/A

2N/Agrub_net_addr_to_str (const grub_net_network_level_address_t *target,

2N/A char *buf);

2N/Agrub_net_hwaddr_to_str (const grub_net_link_level_address_t *addr, char *str);

2N/A

2N/Aextern struct grub_net_network_level_interface *grub_net_network_level_interfaces;

2N/A#define FOR_NET_NETWORK_LEVEL_INTERFACES(var) for (var = grub_net_network_level_interfaces; var; var = var->next)

2N/A

2N/A#define FOR_NET_NETWORK_LEVEL_INTERFACES_SAFE(var,next) for (var = grub_net_network_level_interfaces, next = (var ? var->next : 0); var; var = next, next = (var ? var->next : 0))

2N/A

2N/Agrub_net_poll_cards (unsigned time);

2N/A

2N/Avoid grub_bootp_init (void);

2N/Avoid grub_bootp_fini (void);

2N/A

2N/Avoid grub_dns_init (void);

2N/Avoid grub_dns_fini (void);

2N/A

2N/Astatic inline void

2N/Agrub_net_network_level_interface_unregister (struct grub_net_network_level_interface *inter)

2N/A{

2N/A inter->card->num_ifaces--;

2N/A *inter->prev = inter->next;

2N/A if (inter->next)

2N/A inter->next->prev = inter->prev;

2N/A inter->next = 0;

2N/A inter->prev = 0;

2N/A}

2N/A

2N/Agrub_net_tcp_retransmit (void);

2N/A

2N/Agrub_net_link_layer_add_address (struct grub_net_card *card,

2N/A const grub_net_network_level_address_t *nl,

2N/A const grub_net_link_level_address_t *ll,

2N/A int override);

2N/Agrub_net_link_layer_resolve_check (struct grub_net_network_level_interface *inf,

2N/A const grub_net_network_level_address_t *proto_addr);

2N/Agrub_net_link_layer_resolve (struct grub_net_network_level_interface *inf,

2N/A const grub_net_network_level_address_t *proto_addr,

2N/A grub_net_link_level_address_t *hw_addr);

2N/Agrub_net_dns_lookup (const char *name,

2N/A const struct grub_net_network_level_address *servers,

2N/A grub_size_t n_servers,

2N/A grub_size_t *naddresses,

2N/A struct grub_net_network_level_address **addresses,

2N/A int cache);

2N/Agrub_net_add_dns_server (const struct grub_net_network_level_address *s);

2N/Agrub_net_remove_dns_server (const struct grub_net_network_level_address *s);

2N/A

2N/A

2N/Aextern char *grub_net_default_server;

2N/A

2N/A#define GRUB_NET_TRIES 40

2N/A#define GRUB_NET_INTERVAL 400

2N/A

2N/A#endif /* ! GRUB_NET_HEADER */