* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
+*
***********************************************************************/
static char const RCSID[] =
-"$Id: plugin.c,v 1.15 2006/05/29 23:29:16 paulus Exp $";
+"$Id: plugin.c,v 1.17 2008/06/15 04:35:50 paulus Exp $";
#define _GNU_SOURCE 1
#include "pppoe.h"
#include "pppd/lcp.h"
#include "pppd/ipcp.h"
#include "pppd/ccp.h"
-#include "pppd/pathnames.h"
+/* #include "pppd/pathnames.h" */
#include <linux/types.h>
-#include <syslog.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <signal.h>
#include <net/ethernet.h>
#include <net/if_arp.h>
-#include "ppp_defs.h"
-#include "if_ppp.h"
-#include "if_pppox.h"
+#include <linux/ppp_defs.h>
+#include <linux/if_ppp.h>
+#include <linux/if_pppox.h>
+
+#ifndef _ROOT_PATH
+#define _ROOT_PATH ""
+#endif
#define _PATH_ETHOPT _ROOT_PATH "/etc/ppp/options."
static char *acName = NULL;
static char *existingSession = NULL;
static int printACNames = 0;
+static char *pppoe_reqd_mac = NULL;
+unsigned char pppoe_reqd_mac_addr[6];
static int PPPoEDevnameHook(char *cmd, char **argv, int doit);
static option_t Options[] = {
"Attach to existing session (sessid:macaddr)" },
{ "rp_pppoe_verbose", o_int, &printACNames,
"Be verbose about discovered access concentrators"},
+ { "pppoe-mac", o_string, &pppoe_reqd_mac,
+ "Only connect to specified MAC address" },
{ NULL }
};
-
+int (*OldDevnameHook)(char *cmd, char **argv, int doit) = NULL;
static PPPoEConnection *conn = NULL;
/**********************************************************************
{
conn = malloc(sizeof(PPPoEConnection));
if (!conn) {
- fatal("Could not allocate memory for PPPoE session");
+ novm("PPPoE session data");
}
memset(conn, 0, sizeof(PPPoEConnection));
- if (acName) {
- SET_STRING(conn->acName, acName);
- }
- if (pppd_pppoe_service) {
- SET_STRING(conn->serviceName, pppd_pppoe_service);
- }
- SET_STRING(conn->ifName, devnam);
+ conn->acName = acName;
+ conn->serviceName = pppd_pppoe_service;
+ conn->ifName = devnam;
conn->discoverySocket = -1;
conn->sessionSocket = -1;
conn->useHostUniq = 1;
conn->printACNames = printACNames;
+ conn->discoveryTimeout = PADI_TIMEOUT;
return 1;
}
/* Make the session socket */
conn->sessionSocket = socket(AF_PPPOX, SOCK_STREAM, PX_PROTO_OE);
if (conn->sessionSocket < 0) {
- fatal("Failed to create PPPoE socket: %m");
+ error("Failed to create PPPoE socket: %m");
+ goto errout;
}
sp.sa_family = AF_PPPOX;
sp.sa_protocol = PX_PROTO_OE;
(unsigned) conn->peerEth[4],
(unsigned) conn->peerEth[5]);
+ warn("Connected to %02X:%02X:%02X:%02X:%02X:%02X via interface %s",
+ (unsigned) conn->peerEth[0],
+ (unsigned) conn->peerEth[1],
+ (unsigned) conn->peerEth[2],
+ (unsigned) conn->peerEth[3],
+ (unsigned) conn->peerEth[4],
+ (unsigned) conn->peerEth[5],
+ conn->ifName);
+
+ script_setenv("MACREMOTE", remote_number, 0);
+
if (connect(conn->sessionSocket, (struct sockaddr *) &sp,
sizeof(struct sockaddr_pppox)) < 0) {
- fatal("Failed to connect PPPoE socket: %d %m", errno);
- return -1;
+ error("Failed to connect PPPoE socket: %d %m", errno);
+ close(conn->sessionSocket);
+ goto errout;
}
return conn->sessionSocket;
+
+ errout:
+ if (conn->discoverySocket >= 0) {
+ sendPADT(conn, NULL);
+ close(conn->discoverySocket);
+ conn->discoverySocket = -1;
+ }
+ return -1;
}
static void
memcpy(sp.sa_addr.pppoe.dev, conn->ifName, IFNAMSIZ);
memcpy(sp.sa_addr.pppoe.remote, conn->peerEth, ETH_ALEN);
if (connect(conn->sessionSocket, (struct sockaddr *) &sp,
- sizeof(struct sockaddr_pppox)) < 0) {
- fatal("Failed to disconnect PPPoE socket: %d %m", errno);
- return;
- }
+ sizeof(struct sockaddr_pppox)) < 0)
+ error("Failed to disconnect PPPoE socket: %d %m", errno);
close(conn->sessionSocket);
/* don't send PADT?? */
- close(conn->discoverySocket);
+ if (conn->discoverySocket >= 0)
+ close(conn->discoverySocket);
}
static void
PPPOEDeviceOptions(void)
{
char buf[256];
- snprintf(buf, 256, _PATH_ETHOPT "%s",devnam);
- if(!options_from_file(buf, 0, 0, 1))
+ snprintf(buf, 256, _PATH_ETHOPT "%s", devnam);
+ if (!options_from_file(buf, 0, 0, 1))
exit(EXIT_OPTION_ERROR);
}
RP_VERSION, VERSION);
}
-/**********************************************************************
-*%FUNCTION: fatalSys
-*%ARGUMENTS:
-* str -- error message
-*%RETURNS:
-* Nothing
-*%DESCRIPTION:
-* Prints a message plus the errno value to stderr and syslog and exits.
-***********************************************************************/
-void
-fatalSys(char const *str)
-{
- char buf[1024];
- int i = errno;
- sprintf(buf, "%.256s: %.256s", str, strerror(i));
- printErr(buf);
- sprintf(buf, "RP-PPPoE: %.256s: %.256s", str, strerror(i));
- sendPADT(conn, buf);
- exit(1);
-}
-
-/**********************************************************************
-*%FUNCTION: rp_fatal
-*%ARGUMENTS:
-* str -- error message
-*%RETURNS:
-* Nothing
-*%DESCRIPTION:
-* Prints a message to stderr and syslog and exits.
-***********************************************************************/
-void
-rp_fatal(char const *str)
-{
- char buf[1024];
- printErr(str);
- sprintf(buf, "RP-PPPoE: %.256s", str);
- sendPADT(conn, buf);
- exit(1);
-}
-/**********************************************************************
-*%FUNCTION: sysErr
-*%ARGUMENTS:
-* str -- error message
-*%RETURNS:
-* Nothing
-*%DESCRIPTION:
-* Prints a message plus the errno value to syslog.
-***********************************************************************/
-void
-sysErr(char const *str)
-{
- rp_fatal(str);
-}
-
void pppoe_check_options(void)
{
+ unsigned int mac[6];
+ int i;
+
+ if (pppoe_reqd_mac != NULL) {
+ if (sscanf(pppoe_reqd_mac, "%x:%x:%x:%x:%x:%x",
+ &mac[0], &mac[1], &mac[2], &mac[3],
+ &mac[4], &mac[5]) != 6) {
+ option_error("cannot parse pppoe-mac option value");
+ exit(EXIT_OPTION_ERROR);
+ }
+ for (i = 0; i < 6; ++i)
+ conn->req_peer_mac[i] = mac[i];
+ conn->req_peer = 1;
+ }
+
lcp_allowoptions[0].neg_accompression = 0;
lcp_wantoptions[0].neg_accompression = 0;
}
struct channel pppoe_channel = {
- options: Options,
- process_extra_options: &PPPOEDeviceOptions,
- check_options: pppoe_check_options,
- connect: &PPPOEConnectDevice,
- disconnect: &PPPOEDisconnectDevice,
- establish_ppp: &generic_establish_ppp,
- disestablish_ppp: &generic_disestablish_ppp,
- send_config: NULL,
- recv_config: &PPPOERecvConfig,
- close: NULL,
- cleanup: NULL
+ .options = Options,
+ .process_extra_options = &PPPOEDeviceOptions,
+ .check_options = pppoe_check_options,
+ .connect = &PPPOEConnectDevice,
+ .disconnect = &PPPOEDisconnectDevice,
+ .establish_ppp = &generic_establish_ppp,
+ .disestablish_ppp = &generic_disestablish_ppp,
+ .send_config = NULL,
+ .recv_config = &PPPOERecvConfig,
+ .close = NULL,
+ .cleanup = NULL
};