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Add PPPOE-SERVER functionality

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This commit is contained in:
fendo 2013-01-08 10:50:57 +01:00
parent ddffeb1ceb
commit 11996ba414
15 changed files with 1403 additions and 57 deletions
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46
cluster.c
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@ -21,6 +21,7 @@
#include "cluster.h"
#include "util.h"
#include "tbf.h"
#include "pppoe.h"
#ifdef BGP
#include "bgp.h"
@ -303,10 +304,39 @@ static int _forward_packet(uint8_t *data, int size, in_addr_t addr, int port, in
//
// The master just processes the payload as if it had
// received it off the tun device.
//
//(note: THIS ROUTINE WRITES TO pack[-6]).
int master_forward_packet(uint8_t *data, int size, in_addr_t addr, int port)
{
return _forward_packet(data, size, addr, port, C_FORWARD);
uint8_t *p = data - (3 * sizeof(uint32_t));
uint8_t *psave = p;
if (!config->cluster_master_address) // No election has been held yet. Just skip it.
return -1;
LOG(4, 0, 0, "Forwarding packet from %s to master (size %d)\n", fmtaddr(addr, 0), size);
STAT(c_forwarded);
add_type(&p, C_FORWARD, addr, (uint8_t *) &port, sizeof(port)); // ick. should be uint16_t
return peer_send_data(config->cluster_master_address, psave, size + (3 * sizeof(uint32_t)));
}
// Forward PPPOE packet to the master.
//(note: THIS ROUTINE WRITES TO pack[-4]).
int master_forward_pppoe_packet(uint8_t *data, int size, uint8_t codepad)
{
uint8_t *p = data - (2 * sizeof(uint32_t));
uint8_t *psave = p;
if (!config->cluster_master_address) // No election has been held yet. Just skip it.
return -1;
LOG(4, 0, 0, "Forward PPPOE packet to master, code %s (size %d)\n", get_string_codepad(codepad), size);
STAT(c_forwarded);
add_type(&p, C_PPPOE_FORWARD, codepad, NULL, 0);
return peer_send_data(config->cluster_master_address, psave, size + (2 * sizeof(uint32_t)));
}
// Forward a DAE RADIUS packet to the master.
@ -606,6 +636,7 @@ void cluster_check_master(void)
// to become a master!!!
config->cluster_iam_master = 1;
pppoe_send_garp(); // gratuitous arp of the pppoe interface
LOG(0, 0, 0, "I am declaring myself the master!\n");
@ -1871,6 +1902,17 @@ int processcluster(uint8_t *data, int size, in_addr_t addr)
return 0;
}
case C_PPPOE_FORWARD:
if (!config->cluster_iam_master)
{
LOG(0, 0, 0, "I'm not the master, but I got a C_PPPOE_FORWARD from %s?\n", fmtaddr(addr, 0));
return -1;
}
else
{
pppoe_process_forward(p, s, addr);
return 0;
}
case C_MPPP_FORWARD:
// Receive a MPPP packet from a slave.