diff options
Diffstat (limited to 'mdk-stage1/adsl.c')
| -rw-r--r-- | mdk-stage1/adsl.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/mdk-stage1/adsl.c b/mdk-stage1/adsl.c new file mode 100644 index 000000000..70968f50b --- /dev/null +++ b/mdk-stage1/adsl.c @@ -0,0 +1,183 @@ +/* + * Guillaume Cottenceau (gc) + * + * Copyright 2000 Mandriva + * + * 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 "utils.h" +#include "frontend.h" +#include "automatic.h" + +#include "adsl.h" + + +static enum return_type adsl_connect(struct interface_info * intf, char * username, char * password, char * acname) +{ + 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", intf->device); + + if (!streq(acname, "")) { + strcat(pppoe_call, "-C "); + strcat(pppoe_call, acname); + } + + 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"); + execv(pppd_launch[0], pppd_launch); + 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]; + char *p; + if (!fgets(buf, sizeof(buf), f)) + break; + p = strstr(buf, "IPLOCAL="); + if (p) { + struct sockaddr_in addr; + if (inet_aton(p + 8, &addr.sin_addr)) + intf->ip = addr.sin_addr; + 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) { + log_message("PPP: could not connect"); + kill(ppp_pid, SIGTERM); + sleep(1); + kill(ppp_pid, SIGKILL); + sleep(1); + } + return status; +} + + +enum return_type perform_adsl(struct interface_info * intf) +{ + struct in_addr addr; + char * questions[] = { "Username", "Password", "AC Name", NULL }; + char * questions_auto[] = { "adsluser", "adslpass", "adslacname", NULL }; + static char ** answers = NULL; + enum return_type results; + + 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" + "Leave blank the AC Name field if you don't know what it means.\n" + "(Warning! only PPPoE protocol is supported)", + questions, &answers, 40, questions_auto, NULL); + if (results != RETURN_OK) + return results; + + intf->boot_proto = BOOTPROTO_ADSL_PPPOE; + + wait_message("Waiting for ADSL connection to show up..."); + my_modprobe("ppp_generic", ANY_DRIVER_TYPE, NULL); + my_modprobe("ppp_async", ANY_DRIVER_TYPE, NULL); + results = adsl_connect(intf, answers[0], answers[1], answers[2]); + remove_wait_message(); + + if (results != RETURN_OK) { + wait_message("Retrying the ADSL connection..."); + results = adsl_connect(intf, answers[0], answers[1], answers[2]); + remove_wait_message(); + } else { + intf->user = strdup(answers[0]); + intf->pass = strdup(answers[1]); + intf->acname = strdup(answers[2]); + } + + 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; +} |