Packet_Checksum *
Packet_Checksum_create(uint32 frameNr, uint32 checksum) {
Packet_Checksum *packet =
(Packet_Checksum *) Packet_create(PACKET_CHECKSUM, 0);
packet->frameNr = hton32(frameNr);
packet->checksum = hton32(checksum);
return packet;
}
uint64_t hton64(uint64_t val){
uint32_t *tmp_in = (uint32_t*)&val;
uint32_t tmp_out[2] = {
hton32(tmp_in[1]),
hton32(tmp_in[0]),
};
return *(uint64_t*)tmp_out;
}
/* Open new pptp_connection. Returns NULL on failure. */
PPTP_CONN * pptp_conn_open(int inet_sock, int isclient, pptp_conn_cb callback)
{
PPTP_CONN *conn;
/* Allocate structure */
if ((conn = malloc(sizeof(*conn))) == NULL) return NULL;
if ((conn->call = vector_create()) == NULL) { free(conn); return NULL; }
/* Initialize */
conn->inet_sock = inet_sock;
conn->conn_state = CONN_IDLE;
conn->ka_state = KA_NONE;
conn->ka_id = 1;
conn->call_serial_number = 0;
conn->callback = callback;
/* Create I/O buffers */
conn->read_size = conn->write_size = 0;
conn->read_alloc = conn->write_alloc = INITIAL_BUFSIZE;
conn->read_buffer =
malloc(sizeof(*(conn->read_buffer)) * conn->read_alloc);
conn->write_buffer =
malloc(sizeof(*(conn->write_buffer)) * conn->write_alloc);
if (conn->read_buffer == NULL || conn->write_buffer == NULL) {
if (conn->read_buffer != NULL) free(conn->read_buffer);
if (conn->write_buffer != NULL) free(conn->write_buffer);
vector_destroy(conn->call); free(conn); return NULL;
}
/* Make this socket non-blocking. */
fcntl(conn->inet_sock, F_SETFL, O_NONBLOCK);
/* Request connection from server, if this is a client */
if (isclient) {
struct pptp_start_ctrl_conn packet = {
PPTP_HEADER_CTRL(PPTP_START_CTRL_CONN_RQST),
hton16(PPTP_VERSION), 0, 0,
hton32(PPTP_FRAME_CAP), hton32(PPTP_BEARER_CAP),
hton16(PPTP_MAX_CHANNELS), hton16(PPTP_FIRMWARE_VERSION),
PPTP_HOSTNAME, PPTP_VENDOR
};
/* fix this packet, if necessary */
int idx, rc;
idx = get_quirk_index();
if (idx != -1 && pptp_fixups[idx].start_ctrl_conn) {
if ((rc = pptp_fixups[idx].start_ctrl_conn(&packet)))
warn("calling the start_ctrl_conn hook failed (%d)", rc);
}
if (pptp_send_ctrl_packet(conn, &packet, sizeof(packet)))
conn->conn_state = CONN_WAIT_CTL_REPLY;
else
return NULL; /* could not send initial start request. */
}
/* Set up interval/keep-alive timer */
/* First, register handler for SIGALRM */
sigpipe_create();
sigpipe_assign(SIGALRM);
global.conn = conn;
/* Reset event timer */
pptp_reset_timer();
/* all done. */
return conn;
}
/* This currently *only* works for client call requests.
* We need to do something else to allocate calls for incoming requests.
*/
PPTP_CALL * pptp_call_open(PPTP_CONN * conn, pptp_call_cb callback,
char *phonenr)
{
PPTP_CALL * call;
int i;
int idx, rc;
/* Send off the call request */
struct pptp_out_call_rqst packet = {
PPTP_HEADER_CTRL(PPTP_OUT_CALL_RQST),
0,0, /*call_id, sernum */
hton32(PPTP_BPS_MIN), hton32(PPTP_BPS_MAX),
hton32(PPTP_BEARER_CAP), hton32(PPTP_FRAME_CAP),
hton16(PPTP_WINDOW), 0, 0, 0, {0}, {0}
};
assert(conn && conn->call);
assert(conn->conn_state == CONN_ESTABLISHED);
/* Assign call id */
if (!vector_scan(conn->call, 0, PPTP_MAX_CHANNELS - 1, &i))
/* no more calls available! */
return NULL;
/* allocate structure. */
if ((call = malloc(sizeof(*call))) == NULL) return NULL;
/* Initialize call structure */
call->call_type = PPTP_CALL_PNS;
call->state.pns = PNS_IDLE;
call->call_id = (u_int16_t) i;
call->sernum = conn->call_serial_number++;
call->callback = callback;
call->closure = NULL;
packet.call_id = htons(call->call_id);
packet.call_sernum = htons(call->sernum);
/* if we have a quirk, build a new packet to fit it */
idx = get_quirk_index();
if (idx != -1 && pptp_fixups[idx].out_call_rqst_hook) {
if ((rc = pptp_fixups[idx].out_call_rqst_hook(&packet)))
warn("calling the out_call_rqst hook failed (%d)", rc);
}
/* fill in the phone number if it was specified */
if (phonenr) {
strncpy((char *)packet.phone_num, phonenr, sizeof(packet.phone_num));
packet.phone_len = strlen(phonenr);
if( packet.phone_len > sizeof(packet.phone_num))
packet.phone_len = sizeof(packet.phone_num);
packet.phone_len = hton16 (packet.phone_len);
}
if (pptp_send_ctrl_packet(conn, &packet, sizeof(packet))) {
pptp_reset_timer();
call->state.pns = PNS_WAIT_REPLY;
/* and add it to the call vector */
vector_insert(conn->call, i, call);
return call;
} else { /* oops, unsuccessful. Deallocate. */
free(call);
return NULL;
}
}
/*
* ip_arp_recv_netbuf()
* Handle reception of an ARP packet for IP.
*/
void ip_arp_recv_netbuf(void *clnt, struct netbuf *nb)
{
struct ethernet_client *ec;
struct ip_datalink_instance *idi;
struct eth_phys_header *eph;
struct arp_header *ah;
struct ip_arp_header *iah;
struct ethernet_ip_instance *eii;
ec = (struct ethernet_client *)clnt;
idi = (struct ip_datalink_instance *)ec->ec_instance;
eii = (struct ethernet_ip_instance *)idi;
eph = (struct eth_phys_header *)nb->nb_datalink;
ah = (struct arp_header *)nb->nb_network;
iah = (struct ip_arp_header *)(ah + 1);
if (ah->ah_haddr_len != 6) {
debug_print_pstr("\farp haddr_len !6");
return;
}
if (ah->ah_paddr_len != 4) {
debug_print_pstr("\farp paddr_len !4");
return;
}
if (hton32(iah->iah_dest_ip) != idi->idi_client->idc_addr) {
return;
}
/*
* Update our ARP cache with the sender's details.
*/
ip_arp_cache_add(idi, eph->eph_src_mac, hton32(iah->iah_src_ip));
switch (hton16(ah->ah_operation)) {
case 1:
/*
* ARP request.
*/
ip_arp_recv_request(idi, nb);
break;
case 2:
/*
* ARP response.
*/
break;
default:
debug_print_pstr("\fip_arp_recv_netbuf: op");
debug_print16(hton16(ah->ah_operation));
}
}
/*
* Picks an address given the scope of daddr
*/
int esix_intf_pick_source_address(const struct ip6_addr *daddr)
{
int i;
//try go get an address of the same scope. Note that we assume
//that a link local address is always avaiable (SLAAC link local)
if((daddr->addr1 & hton32(0xffff0000)) == hton32(0xfe800000))
i = esix_intf_get_type_address(LINK_LOCAL);
else
i = esix_intf_get_type_address(GLOBAL);
return i;
}
/*
* ethernet_ip_send_netbuf()
* Send a netbuf.
*
* Note that we assume that all parameters are supplied in network byte order.
*/
void ethernet_ip_send_netbuf(void *srv, struct netbuf *nb)
{
struct ip_datalink_server *ids;
struct ip_datalink_instance *idi;
struct ethernet_ip_instance *eii;
struct ethernet_server *es;
struct ip_header *iph;
struct ip_route *rt;
u32_t addr;
u8_t mac[6];
ids = (struct ip_datalink_server *)srv;
idi = (struct ip_datalink_instance *)ids->ids_instance;
eii = (struct ethernet_ip_instance *)idi;
iph = (struct ip_header *)nb->nb_network;
rt = ip_route_find(idi, hton32(iph->ih_dest_addr));
if (!rt) {
debug_print_pstr("\fethernet_ip_send_netbuf: no rt:");
debug_print32(hton32(iph->ih_dest_addr));
return;
}
if (rt->ir_gateway) {
addr = rt->ir_gateway;
} else {
addr = hton32(iph->ih_dest_addr);
}
if (ip_arp_cache_find(idi, mac, addr)) {
spinlock_lock(&idi->idi_lock);
es = eii->eii_ip_server;
ethernet_server_ref(es);
spinlock_unlock(&idi->idi_lock);
es->es_send(es, mac, nb);
ethernet_server_deref(es);
} else {
/*
* If we don't know where this packet should go to then
* it's time to find out. For now we simply discard the
* packet we were supposed to be sending. Sometime in
* the future, perhaps this should be changed for queueing
* the request until the address is known.
*/
ip_arp_request(idi, addr);
debug_print_pstr("\fMAC not found:");
debug_print32(addr);
debug_print_pstr("rt:");
debug_print32(rt->ir_addr.ir_network.irn_addr);
}
}
void esix_intf_add_default_routes(u8_t intf_index, int intf_mtu)
{
//link local route (fe80::/64)
struct esix_route_table_row *ll_rt = esix_w_malloc(sizeof(struct esix_route_table_row));
if(ll_rt == NULL)
return;
ll_rt->addr.addr1 = hton32(0xfe800000);
ll_rt->addr.addr2 = 0x0;
ll_rt->addr.addr3 = 0x0;
ll_rt->addr.addr4 = 0x0;
ll_rt->mask.addr1 = 0xffffffff;
ll_rt->mask.addr2 = 0xffffffff;
ll_rt->mask.addr3 = 0x0;
ll_rt->mask.addr4 = 0x0;
ll_rt->next_hop.addr1 = 0x0; //a value of 0 means no next hop
ll_rt->next_hop.addr2 = 0x0;
ll_rt->next_hop.addr3 = 0x0;
ll_rt->next_hop.addr4 = 0x0;
ll_rt->ttl = DEFAULT_TTL;
ll_rt->mtu = intf_mtu;
ll_rt->expiration_date = 0x0; //this never expires
ll_rt->interface = intf_index;
//multicast route (ff00:: /8)
struct esix_route_table_row *mcast_rt = esix_w_malloc(sizeof(struct esix_route_table_row));
if(mcast_rt == NULL)
{
esix_w_free(ll_rt);
return;
}
mcast_rt->addr.addr1 = hton32(0xff000000);
mcast_rt->addr.addr2 = 0x0;
mcast_rt->addr.addr3 = 0x0;
mcast_rt->addr.addr4 = 0x0;
mcast_rt->mask.addr1 = hton32(0xff000000); // /8
mcast_rt->mask.addr2 = 0x0;
mcast_rt->mask.addr3 = 0x0;
mcast_rt->mask.addr4 = 0x0;
mcast_rt->next_hop.addr1 = 0x0; //a value of 0 means no next hop
mcast_rt->next_hop.addr2 = 0x0;
mcast_rt->next_hop.addr3 = 0x0;
mcast_rt->next_hop.addr4 = 0x0;
mcast_rt->expiration_date = 0x0; //this never expires
mcast_rt->ttl = DEFAULT_TTL; // 1 should be ok, linux uses 255...
mcast_rt->mtu = intf_mtu;
mcast_rt->interface = intf_index;
esix_intf_add_route_row(ll_rt);
esix_intf_add_route_row(mcast_rt);
}
/*
* ip_arp_recv_request()
*/
static void ip_arp_recv_request(struct ip_datalink_instance *idi, struct netbuf *nb)
{
u8_t *send_packet;
struct eth_phys_header *reph;
struct arp_header *rah, *sah;
struct ip_arp_header *rp, *sp;
struct netbuf *nbrep;
struct ethernet_ip_instance *eii;
struct ethernet_server *es;
eii = (struct ethernet_ip_instance *)idi;
reph = (struct eth_phys_header *)nb->nb_datalink;
rah = (struct arp_header *)nb->nb_network;
rp = (struct ip_arp_header *)(rah + 1);
/*
* Issue an ARP reply.
*/
send_packet = membuf_alloc(sizeof(struct arp_header) + sizeof(struct ip_arp_header), NULL);
sah = (struct arp_header *)send_packet;
sp = (struct ip_arp_header *)(sah + 1);
memcpy(sp->iah_dest_mac, rp->iah_src_mac, 6);
spinlock_lock(&idi->idi_lock);
es = eii->eii_arp_server;
ethernet_server_ref(es);
spinlock_unlock(&idi->idi_lock);
memcpy(sp->iah_src_mac, es->es_get_mac(es), 6);
sah->ah_hardware = rah->ah_hardware;
sah->ah_protocol = rah->ah_protocol;
sah->ah_haddr_len = rah->ah_haddr_len;
sah->ah_paddr_len = rah->ah_paddr_len;
sah->ah_operation = hton16(2);
sp->iah_src_ip = hton32(idi->idi_client->idc_addr);
sp->iah_dest_ip = hton32(rp->iah_src_ip);
nbrep = netbuf_alloc();
nbrep->nb_network_membuf = sah;
nbrep->nb_network = sah;
nbrep->nb_network_size = sizeof(struct arp_header) + sizeof(struct ip_arp_header);
es->es_send(es, sp->iah_dest_mac, nbrep);
netbuf_deref(nbrep);
ethernet_server_deref(es);
}
/**
* Adds a link local address/route based on the MAC address
* and joins the all-nodes mcast group
*/
void esix_intf_init_interface(esix_ll_addr lla, u8_t interface)
{
struct ip6_addr addr;
//builds our link local and associated multicast addresses
//from the MAC address given by the L2 layer.
//unicast link local
addr.addr1 = hton32(0xfe800000); //0xfe80
addr.addr2 = hton32(0x00000000);
addr.addr3 = hton32( (ntoh16(lla[0]) << 16 & 0xff0000)
| (ntoh16(lla[1]) & 0xff00)
| 0x020000ff ); //stateless autoconf, 0x02 : universal bit
addr.addr4 = hton32( (0xfe000000) //0xfe here is OK
| (ntoh16(lla[1])<< 16 & 0xff0000)
| (ntoh16(lla[2])) );
esix_intf_add_address(&addr,
0x80, // /128
0x0, //this one never expires
LINK_LOCAL);
//first row of the neighbors table is us
addr.addr1 = hton32(0xfe800000); //0xfe80
addr.addr2 = hton32(0x00000000);
addr.addr3 = hton32( (ntoh16(lla[0]) << 16 & 0xff0000)
| (ntoh16(lla[1]) & 0xff00)
| 0x020000ff ); //stateless autoconf, 0x02 : universal bit
addr.addr4 = hton32( (0xfe000000) //0xfe here is OK
| (ntoh16(lla[1])<< 16 & 0xff0000)
| (ntoh16(lla[2])) );
esix_intf_add_neighbor(&addr,
lla, // MAC address
0, // never expires
INTERFACE);
//multicast all-nodes (for router advertisements)
addr.addr1 = hton32(0xff020000); //ff02::1
addr.addr2 = 0;
addr.addr3 = 0;
addr.addr4 = hton32(1);
esix_intf_add_address(&addr,
0x80, // /128
0x0, //this one never expires
MULTICAST);
}
yrmcds_error
yrmcds_cnt_acquire(yrmcds_cnt* c, const char* name, size_t name_len,
uint32_t resources, uint32_t initial, uint32_t* serial) {
if( name == NULL || name_len == 0 || name_len > UINT16_MAX ||
resources == 0 || resources > initial )
return YRMCDS_BAD_ARGUMENT;
char body[10];
hton32(resources, body);
hton32(initial, body + 4);
hton16((uint16_t)name_len, body + 8);
return send_command(c, YRMCDS_CNT_CMD_ACQUIRE, serial,
sizeof(body), body, name_len, name);
}
int32_t osc_message_s_renameCopy(char *dest, t_osc_msg_s *src, int32_t new_address_len, char *new_address)
{
if(!dest){
return 0;
}
if(osc_error_validateAddress(new_address)){
return 0;
}
int32_t oldlen = osc_message_s_getSize(src);
//int32_t old_address_len = strlen(osc_message_s_getAddress(src));
//int32_t newlen = oldlen - (old_address_len - new_address_len);
//while(newlen % 4){
//newlen++;
//}
int32_t newlen = oldlen - osc_util_getPaddedStringLen(osc_message_s_getAddress(src)) + osc_util_getPaddingForNBytes(new_address_len);
*((int32_t *)dest) = hton32(newlen);
char *ptr = dest + 4;
if(new_address_len > 0){
memcpy(ptr, new_address, new_address_len);
}
ptr += new_address_len;
*ptr++ = '\0';
while((ptr - dest) % 4){
*ptr++ = '\0';
}
memcpy(ptr, src->typetags, oldlen - (src->typetags - src->address));
return newlen;
}
Packet_Ping *
Packet_Ping_create(uint32 id) {
Packet_Ping *packet = (Packet_Ping *) Packet_create(PACKET_PING, 0);
packet->id = hton32(id);
return packet;
}
Packet_FrameCount *
Packet_FrameCount_create(uint32 frameCount) {
Packet_FrameCount *packet =
(Packet_FrameCount *) Packet_create(PACKET_FRAMECOUNT, 0);
packet->frameCount = hton32(frameCount);
return packet;
}
Packet_Ack *
Packet_Ack_create(uint32 id) {
Packet_Ack *packet = (Packet_Ack *) Packet_create(PACKET_ACK, 0);
packet->id = hton32(id);
return packet;
}
int gtpie_tv4(void *p, unsigned int *length, unsigned int size, uint8_t t, uint32_t v) {
if ((*length + 5) >= size) return 1;
((union gtpie_member*) (p + *length))->tv4.t = hton8(t);
((union gtpie_member*) (p + *length))->tv4.v = hton32(v);
*length += 5;
return 0;
}
static void send_request (BArpProbe *o)
{
if (o->send_sending) {
BLog(BLOG_ERROR, "cannot send packet while another packet is being sent!");
return;
}
// build packet
struct arp_packet *arp = &o->send_packet;
arp->hardware_type = hton16(ARP_HARDWARE_TYPE_ETHERNET);
arp->protocol_type = hton16(ETHERTYPE_IPV4);
arp->hardware_size = hton8(6);
arp->protocol_size = hton8(4);
arp->opcode = hton16(ARP_OPCODE_REQUEST);
memcpy(arp->sender_mac, o->if_mac, 6);
arp->sender_ip = hton32(0);
memset(arp->target_mac, 0, sizeof(arp->target_mac));
arp->target_ip = o->addr;
// send packet
PacketPassInterface_Sender_Send(o->send_if, (uint8_t *)&o->send_packet, sizeof(o->send_packet));
// set sending
o->send_sending = 1;
}
void
send_ima( tNode* pNode, BOOL fSendNow ) {
IAnnexET00IAmAlive ima[sizeof_IAnnexET00IAmAlive_ND];
BYTE cookie[4];
ima[IAnnexET00IAmAlive_Header+IAnnexET00Header_PFLAGS] = 0;
AEPOr_T( ima[IAnnexET00IAmAlive_Header+IAnnexET00Header_PFLAGS], AEPT_TransportMessage );
/*
ima.Header.S = 0;
ima.Header.A = 0;
ima.Header.RES = 0;
*/
ima[IAnnexET00IAmAlive_Header+IAnnexET00Header_TRANSPORT_TYPE] = AEPT00_IAmAlive;
IMASet_P( ima );
hton16( (UINT16)get_ima_interval( pNode ), &ima[IAnnexET00IAmAlive_VALIDITY] );
IMASet_CookieLen( ima, sizeof( UINT32 ) );
hton32( timerGetTimeInMilliseconds(), &cookie[0] );
send_payload(
pNode,
ima,
sizeof_IAmAliveHeader( &ima ),
&cookie[0],
4,
NULL,
0,
FALSE,
FALSE,
fSendNow
);
}
t_osc_err osc_mem_encodeByteorder(unsigned char typetag, char *data, char **out)
{
size_t size = osc_sizeof(typetag, data);
if(!osc_mem_shouldByteswap(typetag)){
memcpy(*out, data, size);
return OSC_ERR_NONE;
}
char tmp[size];
switch(size){
case 1:
break;
case 2:
*((uint16_t *)tmp) = hton16(*((uint16_t *)data));
break;
case 4:
*((uint32_t *)tmp) = hton32(*((uint32_t *)data));
break;
case 8:
*((uint64_t *)tmp) = hton64(*((uint64_t *)data));
break;
case 16:
*((uint128_t *)tmp) = hton128(*((uint128_t *)data));
break;
}
memcpy(*out, tmp, size);
return OSC_ERR_NONE;
}
/* routing stuff is still missing */
void tcp_respond(struct tcpiphdr *ti, IO_Rec *recs, int nr_recs,
iphost_st *host_st, intf_st *ifs, tcp_seq ack,
tcp_seq seq, int flags)
{
register int tlen=0;
TRC(printf("tcp respond \n"));
#define xchg(a,b,type) { type t; t=a; a=b; b=t; }
xchg(ti->ti_dst.s_addr, ti->ti_src.s_addr, uint32_t);
xchg(ti->ti_dport, ti->ti_sport, uint16_t);
#undef xchg
ti->ti_len = htons((uint16_t)(sizeof (struct tcphdr) + tlen));
tlen += sizeof (struct tcpiphdr);
ti->ti_next = ti->ti_prev = 0;
ti->ti_x1 = 0;
TRC(printf("ack before setting back %d\n", ack));
ti->ti_seq = hton32(seq);
ti->ti_ack = hton32(ack);
ti->ti_x2 = 0;
ti->ti_off = sizeof (struct tcphdr) >> 2;
ti->ti_flags = flags;
ti->ti_win = hton16(ti->ti_win);
ti->ti_urp = 0;
ti->ti_sum = 0;
TRC(printf("calling cksum with len %d\n", tlen));
/* checksum computes over tcp and ip (overlay) header */
if (recs[1].len == 0) {
ti->ti_sum = in_cksum((uint16_t *)ti, tlen);
} else {
printf("tcp_respond: checksum more recs, "
"nr recs %d rec 0 len %d rec 1 len%d\n",
nr_recs, recs[0].len, recs[1].len);
ti->ti_sum = cksum_morerecs((uint16_t *)ti,
recs[0].len - sizeof(struct ether_header),
recs, nr_recs);
}
TRC(printf("calling cksum done\n"));
((struct ip *)ti)->ip_len = tlen;
((struct ip *)ti)->ip_ttl = MAXTTL;
TRC(printf("tcp respond calling ip_output\n"));
ip_output(recs, nr_recs, host_st, ifs, 0, flags);
}
Packet_SeedRandom *
Packet_SeedRandom_create(uint32 seed) {
Packet_SeedRandom *packet =
(Packet_SeedRandom *) Packet_create(PACKET_SEEDRANDOM, 0);
packet->seed = hton32(seed);
return packet;
}
Packet_InputDelay *
Packet_InputDelay_create(uint32 delay) {
Packet_InputDelay *packet =
(Packet_InputDelay *) Packet_create(PACKET_INPUTDELAY, 0);
packet->delay = hton32(delay);
return packet;
}
/*
* esix_intf_check_source_addr : make sure that the source address isn't multicast
* if it is, choose an address from the corresponding scope
*/
int esix_intf_check_source_addr(struct ip6_addr *saddr, const struct ip6_addr *daddr)
{
int i = -1;
if( (saddr->addr1 & hton32(0xff000000)) == hton32(0xff000000))
{
//try to chose an address of the correct scope to replace it.
if((daddr->addr1 & hton32(0xffff0000)) == hton32(0xfe800000))
i = esix_intf_get_type_address(LINK_LOCAL);
if( (i < 0 ) && (i = esix_intf_get_type_address(GLOBAL)) < 0)
return -1;
*saddr = addrs[i]->addr;
}
return 1;
}
/*
* ip_arp_request()
* Issue an ARP request for a given IP address.
*/
u8_t ip_arp_request(struct ip_datalink_instance *idi, u32_t ip)
{
u8_t *pkt;
struct netbuf *nb;
struct arp_header *ah;
struct ip_arp_header *iah;
static u8_t broadcast_mac[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
struct ethernet_ip_instance *eii;
struct ethernet_server *es;
eii = (struct ethernet_ip_instance *)idi;
pkt = membuf_alloc(sizeof(struct arp_header) + sizeof(struct ip_arp_header), NULL);
ah = (struct arp_header *)pkt;
ah->ah_hardware = hton16(1);
ah->ah_protocol = hton16(0x0800);
ah->ah_haddr_len = 6;
ah->ah_paddr_len = 4;
ah->ah_operation = hton16(1);
iah = (struct ip_arp_header *)(ah + 1);
iah->iah_src_ip = hton32(idi->idi_client->idc_addr);
iah->iah_dest_ip = hton32(ip);
spinlock_lock(&idi->idi_lock);
es = eii->eii_arp_server;
ethernet_server_ref(es);
spinlock_unlock(&idi->idi_lock);
memcpy(iah->iah_src_mac, es->es_get_mac(es), 6);
memcpy(iah->iah_dest_mac, broadcast_mac, 6);
nb = netbuf_alloc();
nb->nb_network_membuf = ah;
nb->nb_network = ah;
nb->nb_network_size = sizeof(struct arp_header) + sizeof(struct ip_arp_header);
es->es_send(es, broadcast_mac, nb);
netbuf_deref(nb);
ethernet_server_deref(es);
return 0;
}
yrmcds_error yrmcds_touch(yrmcds* c, const char* key, size_t key_len,
uint32_t expire, int quiet, uint32_t* serial) {
if( c == NULL || key == NULL || key_len == 0 )
return YRMCDS_BAD_ARGUMENT;
char extras[4];
hton32(expire, extras);
return send_command(c, YRMCDS_CMD_TOUCH, 0, serial, key_len, key,
sizeof(extras), extras, 0, NULL);
}
static yrmcds_error send_data(
yrmcds* c, yrmcds_command cmd, const char* key, size_t key_len,
const char* data, size_t data_len, uint32_t flags, uint32_t expire,
uint64_t cas, uint32_t* serial) {
if( c == NULL || key == NULL || key_len == 0 ||
data == NULL || data_len == 0 )
return YRMCDS_BAD_ARGUMENT;
int compressed = 0;
#ifdef LIBYRMCDS_USE_LZ4
if( (c->compress_size > 0) && (data_len > c->compress_size) ) {
if( flags & YRMCDS_FLAG_COMPRESS )
return YRMCDS_BAD_ARGUMENT;
size_t bound = (size_t)LZ4_compressBound((int)data_len);
char* new_data = (char*)malloc(bound + sizeof(uint32_t));
if( new_data == NULL )
return YRMCDS_OUT_OF_MEMORY;
uint32_t new_size =
(uint32_t)LZ4_compress(data, new_data + sizeof(uint32_t),
(int)data_len);
if( new_size == 0 ) {
free(new_data);
return YRMCDS_COMPRESS_FAILED;
}
hton32((uint32_t)data_len, new_data);
flags |= YRMCDS_FLAG_COMPRESS;
data_len = sizeof(uint32_t) + new_size;
data = new_data;
compressed = 1;
}
#endif // LIBYRMCDS_USE_LZ4
char extras[8];
hton32(flags, extras);
hton32(expire, &extras[4]);
yrmcds_error e = send_command(c, cmd, cas, serial, key_len, key,
sizeof(extras), extras, data_len, data);
if( compressed )
free((void*)data);
return e;
}
yrmcds_error
yrmcds_cnt_release(yrmcds_cnt* c, const char* name, size_t name_len,
uint32_t resources, uint32_t* serial) {
if( name == NULL || name_len == 0 || name_len > UINT16_MAX )
return YRMCDS_BAD_ARGUMENT;
char body[6];
hton32(resources, body);
hton16((uint16_t)name_len, body + 4);
return send_command(c, YRMCDS_CNT_CMD_RELEASE, serial,
sizeof(body), body, name_len, name);
}
yrmcds_error yrmcds_decr(yrmcds* c, const char* key, size_t key_len,
uint64_t value, int quiet, uint32_t* serial) {
if( c == NULL || key == NULL || key_len == 0 )
return YRMCDS_BAD_ARGUMENT;
char extras[20];
hton64(value, extras);
hton64((uint64_t)0, &extras[8]);
hton32(~(uint32_t)0, &extras[16]);
return send_command(c, quiet ? YRMCDS_CMD_DECREMENTQ : YRMCDS_CMD_DECREMENT,
0, serial, key_len, key,
sizeof(extras), extras, 0, NULL);
}
void ovalidate_anything(t_ovalidate *x, t_symbol *msg, int argc, t_atom *argv)
{
if(msg == gensym("xosc-msgsize-bug")){
// DON'T DO SHIT LIKE THIS---THIS ISN'T THE WILD F*****G WEST
long len = atom_getlong(argv + 1);
char *ptr = (char *)atom_getlong(argv + 2);
char *size = ptr + OSC_HEADER_SIZE;
*((int32_t *)size) = hton32(100);
ovalidate_fullPacket(x, atom_getsym(argv), argc - 1, argv + 1);
}else{
object_error((t_object *)x, "doesn't understand message %s", msg->s_name);
}
}
/* return 0 on success, non zero otherwise */
int
orckit_atur3_build_hook(struct pptp_out_call_rqst* packet)
{
unsigned int name_length = 10;
struct pptp_out_call_rqst fixed_packet = {
PPTP_HEADER_CTRL(PPTP_OUT_CALL_RQST),
0, /* hton16(call->callid) */
0, /* hton16(call->sernum) */
hton32(PPTP_BPS_MIN), hton32(PPTP_BPS_MAX),
hton32(PPTP_BEARER_DIGITAL), hton32(PPTP_FRAME_ANY),
hton16(PPTP_WINDOW), 0, hton16(name_length), 0,
{'R','E','L','A','Y','_','P','P','P','1',0}, {0}
};
if (!packet)
return -1;
memcpy(packet, &fixed_packet, sizeof(*packet));
return 0;
}