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/*
* Guillaume Cottenceau (gc@mandrakesoft.com)
*
* Copyright 2000 MandrakeSoft
*
* This software may be freely redistributed under the terms of the GNU
* public license.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <stdio.h>
#include <resolv.h>
#include <signal.h>
#include "stage1.h"
#include "log.h"
#include "network.h"
#include "modules.h"
#include "tools.h"
#include "frontend.h"
#include "automatic.h"
#include "adsl.h"
static enum return_type adsl_connect(char * net_device, char * username, char * password)
{
char pppoe_call[500];
char * pppd_launch[] = { "/sbin/pppd", "pty", pppoe_call, "noipdefault", "noauth", "default-asyncmap", "defaultroute",
"hide-password", "nodetach", "usepeerdns", "local", "mtu", "1492", "mru", "1492", "noaccomp",
"noccp", "nobsdcomp", "nodeflate", "nopcomp", "novj", "novjccomp", "user", username,
"password", password, "lcp-echo-interval", "20", "lcp-echo-failure", "3", "lock", "persist", NULL };
int fd;
int retries = 10;
char * tty_adsl = "/dev/tty6";
enum return_type status = RETURN_ERROR;
pid_t ppp_pid;
snprintf(pppoe_call, sizeof(pppoe_call), "/sbin/pppoe -p /var/run/pppoe.conf-adsl.pid.pppoe -I %s -T 80 -U -m 1412", net_device);
fd = open(tty_adsl, O_RDWR);
if (fd == -1) {
log_message("cannot open tty -- no pppd");
return RETURN_ERROR;
}
else if (access(pppd_launch[0], X_OK)) {
log_message("cannot open pppd - %s doesn't exist", pppd_launch[0]);
return RETURN_ERROR;
}
if (!(ppp_pid = fork())) {
dup2(fd, 0);
dup2(fd, 1);
dup2(fd, 2);
close(fd);
setsid();
if (ioctl(0, TIOCSCTTY, NULL))
log_perror("could not set new controlling tty");
printf("\t(exec of pppd)\n");
execve(pppd_launch[0], pppd_launch, grab_env());
log_message("execve of %s failed: %s", pppd_launch[0], strerror(errno));
exit(-1);
}
close(fd);
while (retries > 0 && kill(ppp_pid, 0) == 0) {
FILE * f;
if ((f = fopen("/var/run/pppd.tdb", "rb"))) {
while (1) {
char buf[500];
if (!fgets(buf, sizeof(buf), f))
break;
if (strstr(buf, "IPLOCAL="))
status = RETURN_OK;
}
fclose(f);
if (status == RETURN_OK) {
log_message("PPP: connected!");
break;
}
}
retries--;
log_message("PPP: <sleep>");
sleep(2);
}
if (status != RETURN_OK) {
kill(ppp_pid, SIGTERM);
log_message("PPP: could not connect");
}
return status;
}
enum return_type perform_adsl(struct interface_info * intf)
{
struct in_addr addr;
char * questions[] = { "Username", "Password", NULL };
char * questions_auto[] = { "user", "pass", NULL };
static char ** answers = NULL;
enum return_type results;
if (strncmp(intf->device, "eth", 3)) {
stg1_error_message("ADSL available only for Ethernet networking (through PPPoE).");
return RETURN_ERROR;
}
inet_aton("10.0.0.10", &addr);
memcpy(&intf->ip, &addr, sizeof(addr));
inet_aton("255.255.255.0", &addr);
memcpy(&intf->netmask, &addr, sizeof(addr));
*((uint32_t *) &intf->broadcast) = (*((uint32_t *) &intf->ip) &
*((uint32_t *) &intf->netmask)) | ~(*((uint32_t *) &intf->netmask));
intf->is_ptp = 0;
if (configure_net_device(intf)) {
stg1_error_message("Could not configure..");
return RETURN_ERROR;
}
results = ask_from_entries_auto("Please enter the username and password for your ADSL account.\n"
"(Warning! only PPPoE protocol is supported)",
questions, &answers, 40, questions_auto, NULL);
if (results != RETURN_OK)
return results;
wait_message("Waiting for ADSL connection to show up...");
my_insmod("ppp_generic", ANY_DRIVER_TYPE, NULL);
my_insmod("ppp_async", ANY_DRIVER_TYPE, NULL);
my_insmod("ppp", ANY_DRIVER_TYPE, NULL);
results = adsl_connect(intf->device, answers[0], answers[1]);
remove_wait_message();
if (results != RETURN_OK) {
wait_message("Retrying the ADSL connection...");
results = adsl_connect(intf->device, answers[0], answers[1]);
remove_wait_message();
}
if (results != RETURN_OK) {
stg1_error_message("I could not connect to the ADSL network.");
return perform_adsl(intf);
}
sleep(1);
res_init(); /* reinit the resolver, pppd modified /etc/resolv.conf */
return RETURN_OK;
}
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