C++ (Cpp) PPPOE_VER_TYPE Examples

Example #1

File: discovery.c Project: NicolasLiu/ppp-mysql

/***********************************************************************
*%FUNCTION: sendPADI
*%ARGUMENTS:
* conn -- PPPoEConnection structure
*%RETURNS:
* Nothing
*%DESCRIPTION:
* Sends a PADI packet
***********************************************************************/
static void
sendPADI(PPPoEConnection *conn)
{
    PPPoEPacket packet;
    unsigned char *cursor = packet.payload;
    PPPoETag *svc = (PPPoETag *) (&packet.payload);
    UINT16_t namelen = 0;
    UINT16_t plen;
    int omit_service_name = 0;

    if (conn->serviceName) {
	namelen = (UINT16_t) strlen(conn->serviceName);
	if (!strcmp(conn->serviceName, "NO-SERVICE-NAME-NON-RFC-COMPLIANT")) {
	    omit_service_name = 1;
	}
    }

    /* Set destination to Ethernet broadcast address */
    memset(packet.ethHdr.h_dest, 0xFF, ETH_ALEN);
    memcpy(packet.ethHdr.h_source, conn->myEth, ETH_ALEN);

    packet.ethHdr.h_proto = htons(Eth_PPPOE_Discovery);
    packet.vertype = PPPOE_VER_TYPE(1, 1);
    packet.code = CODE_PADI;
    packet.session = 0;

    if (!omit_service_name) {
	plen = TAG_HDR_SIZE + namelen;
	CHECK_ROOM(cursor, packet.payload, plen);

	svc->type = TAG_SERVICE_NAME;
	svc->length = htons(namelen);

	if (conn->serviceName) {
	    memcpy(svc->payload, conn->serviceName, strlen(conn->serviceName));
	}
	cursor += namelen + TAG_HDR_SIZE;
    } else {
	plen = 0;
    }

    /* If we're using Host-Uniq, copy it over */
    if (conn->useHostUniq) {
	PPPoETag hostUniq;
	pid_t pid = getpid();
	hostUniq.type = htons(TAG_HOST_UNIQ);
	hostUniq.length = htons(sizeof(pid));
	memcpy(hostUniq.payload, &pid, sizeof(pid));
	CHECK_ROOM(cursor, packet.payload, sizeof(pid) + TAG_HDR_SIZE);
	memcpy(cursor, &hostUniq, sizeof(pid) + TAG_HDR_SIZE);
	cursor += sizeof(pid) + TAG_HDR_SIZE;
	plen += sizeof(pid) + TAG_HDR_SIZE;
    }

    packet.length = htons(plen);

    sendPacket(conn, conn->discoverySocket, &packet, (int) (plen + HDR_SIZE));
}

Example #2

File: pppoe-discovery.c Project: Yui-Qi-Tang/openwrtPKG

/***********************************************************************
*%FUNCTION: sendPADI
*%ARGUMENTS:
* conn -- PPPoEConnection structure
*%RETURNS:
* Nothing
*%DESCRIPTION:
* Sends a PADI packet
***********************************************************************/
void
sendPADI(PPPoEConnection *conn)
{
    PPPoEPacket packet;
    unsigned char *cursor = packet.payload;
    PPPoETag *svc = (PPPoETag *) (&packet.payload);
    UINT16_t namelen = 0;
    UINT16_t plen;

    if (conn->serviceName) {
	namelen = (UINT16_t) strlen(conn->serviceName);
    }
    plen = TAG_HDR_SIZE + namelen;
    CHECK_ROOM(cursor, packet.payload, plen);

    /* Set destination to Ethernet broadcast address */
    memset(packet.ethHdr.h_dest, 0xFF, ETH_ALEN);
    memcpy(packet.ethHdr.h_source, conn->myEth, ETH_ALEN);

    packet.ethHdr.h_proto = htons(Eth_PPPOE_Discovery);
    packet.vertype = PPPOE_VER_TYPE(1, 1);
    packet.code = CODE_PADI;
    packet.session = 0;

    svc->type = TAG_SERVICE_NAME;
    svc->length = htons(namelen);
    CHECK_ROOM(cursor, packet.payload, namelen+TAG_HDR_SIZE);

    if (conn->serviceName) {
	memcpy(svc->payload, conn->serviceName, strlen(conn->serviceName));
    }
    cursor += namelen + TAG_HDR_SIZE;

    /* If we're using Host-Uniq, copy it over */
    if (conn->hostUniq.length) {
	int len = ntohs(conn->hostUniq.length);
	CHECK_ROOM(cursor, packet.payload, len + TAG_HDR_SIZE);
	memcpy(cursor, &conn->hostUniq, len + TAG_HDR_SIZE);
	cursor += len + TAG_HDR_SIZE;
	plen += len + TAG_HDR_SIZE;
    }

    packet.length = htons(plen);

    sendPacket(conn, conn->discoverySocket, &packet, (int) (plen + HDR_SIZE));
    if (conn->debugFile) {
	dumpPacket(conn->debugFile, &packet, "SENT");
	fprintf(conn->debugFile, "\n");
	fflush(conn->debugFile);
    }
}

Example #3

File: discovery.c Project: snickl/ppp

/***********************************************************************
*%FUNCTION: sendPADR
*%ARGUMENTS:
* conn -- PPPoE connection structur
*%RETURNS:
* Nothing
*%DESCRIPTION:
* Sends a PADR packet
***********************************************************************/
static void
sendPADR(PPPoEConnection *conn)
{
    PPPoEPacket packet;
    PPPoETag *svc = (PPPoETag *) packet.payload;
    unsigned char *cursor = packet.payload;

    UINT16_t namelen = 0;
    UINT16_t plen;

    if (conn->serviceName) {
	namelen = (UINT16_t) strlen(conn->serviceName);
    }
    plen = TAG_HDR_SIZE + namelen;
    CHECK_ROOM(cursor, packet.payload, plen);

    memcpy(packet.ethHdr.h_dest, conn->peerEth, ETH_ALEN);
    memcpy(packet.ethHdr.h_source, conn->myEth, ETH_ALEN);

    packet.ethHdr.h_proto = htons(Eth_PPPOE_Discovery);
    packet.vertype = PPPOE_VER_TYPE(1, 1);
    packet.code = CODE_PADR;
    packet.session = 0;

    svc->type = TAG_SERVICE_NAME;
    svc->length = htons(namelen);
    if (conn->serviceName) {
	memcpy(svc->payload, conn->serviceName, namelen);
    }
    cursor += namelen + TAG_HDR_SIZE;

    /* If we're using Host-Uniq, copy it over */
    if (conn->hostUniq.length) {
	int len = ntohs(conn->hostUniq.length);
	CHECK_ROOM(cursor, packet.payload, len+TAG_HDR_SIZE);
	memcpy(cursor, &conn->hostUniq, len + TAG_HDR_SIZE);
	cursor += len + TAG_HDR_SIZE;
	plen += len + TAG_HDR_SIZE;
    }

    /* Add our maximum MTU/MRU */
    if (MIN(lcp_allowoptions[0].mru, lcp_wantoptions[0].mru) > ETH_PPPOE_MTU) {
	PPPoETag maxPayload;
	UINT16_t mru = htons(MIN(lcp_allowoptions[0].mru, lcp_wantoptions[0].mru));
	maxPayload.type = htons(TAG_PPP_MAX_PAYLOAD);
	maxPayload.length = htons(sizeof(mru));
	memcpy(maxPayload.payload, &mru, sizeof(mru));
	CHECK_ROOM(cursor, packet.payload, sizeof(mru) + TAG_HDR_SIZE);
	memcpy(cursor, &maxPayload, sizeof(mru) + TAG_HDR_SIZE);
	cursor += sizeof(mru) + TAG_HDR_SIZE;
	plen += sizeof(mru) + TAG_HDR_SIZE;
    }

    /* Copy cookie and relay-ID if needed */
    if (conn->cookie.type) {
	CHECK_ROOM(cursor, packet.payload,
		   ntohs(conn->cookie.length) + TAG_HDR_SIZE);
	memcpy(cursor, &conn->cookie, ntohs(conn->cookie.length) + TAG_HDR_SIZE);
	cursor += ntohs(conn->cookie.length) + TAG_HDR_SIZE;
	plen += ntohs(conn->cookie.length) + TAG_HDR_SIZE;
    }

    if (conn->relayId.type) {
	CHECK_ROOM(cursor, packet.payload,
		   ntohs(conn->relayId.length) + TAG_HDR_SIZE);
	memcpy(cursor, &conn->relayId, ntohs(conn->relayId.length) + TAG_HDR_SIZE);
	cursor += ntohs(conn->relayId.length) + TAG_HDR_SIZE;
	plen += ntohs(conn->relayId.length) + TAG_HDR_SIZE;
    }

    packet.length = htons(plen);
    sendPacket(conn, conn->discoverySocket, &packet, (int) (plen + HDR_SIZE));
}

Example #4

File: discovery.c Project: snickl/ppp

/***********************************************************************
*%FUNCTION: sendPADI
*%ARGUMENTS:
* conn -- PPPoEConnection structure
*%RETURNS:
* Nothing
*%DESCRIPTION:
* Sends a PADI packet
***********************************************************************/
static void
sendPADI(PPPoEConnection *conn)
{
    PPPoEPacket packet;
    unsigned char *cursor = packet.payload;
    PPPoETag *svc = (PPPoETag *) (&packet.payload);
    UINT16_t namelen = 0;
    UINT16_t plen;
    int omit_service_name = 0;

    if (conn->serviceName) {
	namelen = (UINT16_t) strlen(conn->serviceName);
	if (!strcmp(conn->serviceName, "NO-SERVICE-NAME-NON-RFC-COMPLIANT")) {
	    omit_service_name = 1;
	}
    }

    /* Set destination to Ethernet broadcast address */
    memset(packet.ethHdr.h_dest, 0xFF, ETH_ALEN);
    memcpy(packet.ethHdr.h_source, conn->myEth, ETH_ALEN);

    packet.ethHdr.h_proto = htons(Eth_PPPOE_Discovery);
    packet.vertype = PPPOE_VER_TYPE(1, 1);
    packet.code = CODE_PADI;
    packet.session = 0;

    if (!omit_service_name) {
	plen = TAG_HDR_SIZE + namelen;
	CHECK_ROOM(cursor, packet.payload, plen);

	svc->type = TAG_SERVICE_NAME;
	svc->length = htons(namelen);

	if (conn->serviceName) {
	    memcpy(svc->payload, conn->serviceName, strlen(conn->serviceName));
	}
	cursor += namelen + TAG_HDR_SIZE;
    } else {
	plen = 0;
    }

    /* If we're using Host-Uniq, copy it over */
    if (conn->hostUniq.length) {
	int len = ntohs(conn->hostUniq.length);
	CHECK_ROOM(cursor, packet.payload, len + TAG_HDR_SIZE);
	memcpy(cursor, &conn->hostUniq, len + TAG_HDR_SIZE);
	cursor += len + TAG_HDR_SIZE;
	plen += len + TAG_HDR_SIZE;
    }

    /* Add our maximum MTU/MRU */
    if (MIN(lcp_allowoptions[0].mru, lcp_wantoptions[0].mru) > ETH_PPPOE_MTU) {
	PPPoETag maxPayload;
	UINT16_t mru = htons(MIN(lcp_allowoptions[0].mru, lcp_wantoptions[0].mru));
	maxPayload.type = htons(TAG_PPP_MAX_PAYLOAD);
	maxPayload.length = htons(sizeof(mru));
	memcpy(maxPayload.payload, &mru, sizeof(mru));
	CHECK_ROOM(cursor, packet.payload, sizeof(mru) + TAG_HDR_SIZE);
	memcpy(cursor, &maxPayload, sizeof(mru) + TAG_HDR_SIZE);
	cursor += sizeof(mru) + TAG_HDR_SIZE;
	plen += sizeof(mru) + TAG_HDR_SIZE;
    }

    packet.length = htons(plen);

    sendPacket(conn, conn->discoverySocket, &packet, (int) (plen + HDR_SIZE));
}

Example #5

File: common.c Project: snickl/ppp

/***********************************************************************
*%FUNCTION: sendPADT
*%ARGUMENTS:
* conn -- PPPoE connection
* msg -- if non-NULL, extra error message to include in PADT packet.
*%RETURNS:
* Nothing
*%DESCRIPTION:
* Sends a PADT packet
***********************************************************************/
void
sendPADT(PPPoEConnection *conn, char const *msg)
{
    PPPoEPacket packet;
    unsigned char *cursor = packet.payload;

    UINT16_t plen = 0;

    /* Do nothing if no session established yet */
    if (!conn->session) return;

    /* Do nothing if no discovery socket */
    if (conn->discoverySocket < 0) return;

    memcpy(packet.ethHdr.h_dest, conn->peerEth, ETH_ALEN);
    memcpy(packet.ethHdr.h_source, conn->myEth, ETH_ALEN);

    packet.ethHdr.h_proto = htons(Eth_PPPOE_Discovery);
    packet.vertype = PPPOE_VER_TYPE(1, 1);
    packet.code = CODE_PADT;
    packet.session = conn->session;

    /* Reset Session to zero so there is no possibility of
       recursive calls to this function by any signal handler */
    conn->session = 0;

    /* If we're using Host-Uniq, copy it over */
    if (conn->hostUniq.length) {
	int len = ntohs(conn->hostUniq.length);
	memcpy(cursor, &conn->hostUniq, len + TAG_HDR_SIZE);
	cursor += len + TAG_HDR_SIZE;
	plen += len + TAG_HDR_SIZE;
    }

    /* Copy error message */
    if (msg) {
	PPPoETag err;
	size_t elen = strlen(msg);
	err.type = htons(TAG_GENERIC_ERROR);
	err.length = htons(elen);
	strcpy(err.payload, msg);
	memcpy(cursor, &err, elen + TAG_HDR_SIZE);
	cursor += elen + TAG_HDR_SIZE;
	plen += elen + TAG_HDR_SIZE;
    }

    /* Copy cookie and relay-ID if needed */
    if (conn->cookie.type) {
	CHECK_ROOM(cursor, packet.payload,
		   ntohs(conn->cookie.length) + TAG_HDR_SIZE);
	memcpy(cursor, &conn->cookie, ntohs(conn->cookie.length) + TAG_HDR_SIZE);
	cursor += ntohs(conn->cookie.length) + TAG_HDR_SIZE;
	plen += ntohs(conn->cookie.length) + TAG_HDR_SIZE;
    }

    if (conn->relayId.type) {
	CHECK_ROOM(cursor, packet.payload,
		   ntohs(conn->relayId.length) + TAG_HDR_SIZE);
	memcpy(cursor, &conn->relayId, ntohs(conn->relayId.length) + TAG_HDR_SIZE);
	cursor += ntohs(conn->relayId.length) + TAG_HDR_SIZE;
	plen += ntohs(conn->relayId.length) + TAG_HDR_SIZE;
    }

    packet.length = htons(plen);
    sendPacket(conn, conn->discoverySocket, &packet, (int) (plen + HDR_SIZE));
    info("Sent PADT");
}

Example #6

File: discovery.c Project: NicolasLiu/ppp-mysql

/***********************************************************************
*%FUNCTION: sendPADR
*%ARGUMENTS:
* conn -- PPPoE connection structur
*%RETURNS:
* Nothing
*%DESCRIPTION:
* Sends a PADR packet
***********************************************************************/
static void
sendPADR(PPPoEConnection *conn)
{
    PPPoEPacket packet;
    PPPoETag *svc = (PPPoETag *) packet.payload;
    unsigned char *cursor = packet.payload;

    UINT16_t namelen = 0;
    UINT16_t plen;

    if (conn->serviceName) {
	namelen = (UINT16_t) strlen(conn->serviceName);
    }
    plen = TAG_HDR_SIZE + namelen;
    CHECK_ROOM(cursor, packet.payload, plen);

    memcpy(packet.ethHdr.h_dest, conn->peerEth, ETH_ALEN);
    memcpy(packet.ethHdr.h_source, conn->myEth, ETH_ALEN);

    packet.ethHdr.h_proto = htons(Eth_PPPOE_Discovery);
    packet.vertype = PPPOE_VER_TYPE(1, 1);
    packet.code = CODE_PADR;
    packet.session = 0;

    svc->type = TAG_SERVICE_NAME;
    svc->length = htons(namelen);
    if (conn->serviceName) {
	memcpy(svc->payload, conn->serviceName, namelen);
    }
    cursor += namelen + TAG_HDR_SIZE;

    /* If we're using Host-Uniq, copy it over */
    if (conn->useHostUniq) {
	PPPoETag hostUniq;
	pid_t pid = getpid();
	hostUniq.type = htons(TAG_HOST_UNIQ);
	hostUniq.length = htons(sizeof(pid));
	memcpy(hostUniq.payload, &pid, sizeof(pid));
	CHECK_ROOM(cursor, packet.payload, sizeof(pid)+TAG_HDR_SIZE);
	memcpy(cursor, &hostUniq, sizeof(pid) + TAG_HDR_SIZE);
	cursor += sizeof(pid) + TAG_HDR_SIZE;
	plen += sizeof(pid) + TAG_HDR_SIZE;
    }

    /* Copy cookie and relay-ID if needed */
    if (conn->cookie.type) {
	CHECK_ROOM(cursor, packet.payload,
		   ntohs(conn->cookie.length) + TAG_HDR_SIZE);
	memcpy(cursor, &conn->cookie, ntohs(conn->cookie.length) + TAG_HDR_SIZE);
	cursor += ntohs(conn->cookie.length) + TAG_HDR_SIZE;
	plen += ntohs(conn->cookie.length) + TAG_HDR_SIZE;
    }

    if (conn->relayId.type) {
	CHECK_ROOM(cursor, packet.payload,
		   ntohs(conn->relayId.length) + TAG_HDR_SIZE);
	memcpy(cursor, &conn->relayId, ntohs(conn->relayId.length) + TAG_HDR_SIZE);
	cursor += ntohs(conn->relayId.length) + TAG_HDR_SIZE;
	plen += ntohs(conn->relayId.length) + TAG_HDR_SIZE;
    }

    packet.length = htons(plen);
    sendPacket(conn, conn->discoverySocket, &packet, (int) (plen + HDR_SIZE));
}