move ppp support to ppp package

1 files changed, 0 insertions, 864 deletions

diff --git a/src/ppp-watch.c b/src/ppp-watch.c
deleted file mode 100644
index cbe35360..00000000
--- a/src/ppp-watch.c
+++ /dev/null
@@ -1,864 +0,0 @@
-/*
- * ppp-watch.c
- *
- * Bring up a PPP connection and Do The Right Thing[tm] to make bringing
- * the connection up or down with ifup and ifdown synchronous.  Takes
- * one argument: the logical name of the device to bring up.  Does not
- * detach until the interface is up or has permanently failed to come up.
- *
- * Copyright 1999-2007 Red Hat, Inc.
- *
- * This is free software; you can redistribute it and/or 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.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-/* Algorithm:
- *   fork
- *   if child:
- *     Register with netreport.  (now exit implies deregister first)
- *     fork/exec ifup-ppp daemon <interface>
- *   else:
- *     while (1):
- *       sigsuspend()
- *       if SIGTERM or SIGINT:
- *         kill pppd pgrp
- *         exit
- *       if SIGHUP:
- *         reload ifcfg files
- *         kill pppd pgrp
- *         wait for SIGCHLD to redial
- *       if SIGIO:
- *         if no physical device found: continue
- *         elif physical device is down:
- *           wait for pppd to exit to redial if appropriate
- *         else: (physical device is up)
- *           detach; continue
- *       if SIGCHLD: (pppd exited)
- *         wait()
- *         if pppd exited:
- *           if PERSIST: redial
- *           else: exit
- *         else: (pppd was killed)
- *           exit
- *
- *
- * When ppp-watch itself dies for reasons of its own, it uses a return code
- * higher than 25 so as not to clash with pppd return codes, which, as of
- * this writing, range from 0 to 19.
- */
-
-#include <unistd.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/ioctl.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/resource.h>
-#include <sys/socket.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-#include <termios.h>
-#include <net/if.h>
-#include <glib.h>
-#include "shvar.h"
-
-#define IFCFGPREFIX "/etc/sysconfig/network-scripts/ifcfg-"
-#define IFUP_PPP "/etc/sysconfig/network-scripts/ifup-ppp"
-
-static int theSigterm = 0;
-static int theSigint = 0;
-static int theSighup = 0;
-static int theSigio = 0;
-static int theSigchld = 0;
-static int theSigalrm = 0;
-static int pipeArray[2];
-
-// patch to respect the maxfail parameter to ppp
-// Scott Sharkey <ssharkey@linux-no-limits.com>
-static int dialCount = 0;
-static pid_t theChild;
-static void failureExit(int exitCode);
-
-static void
-interrupt_child(int signo) {
-    kill(theChild, SIGINT);
-}
-
-static void
-set_signal(int signo, void (*handler)(int)) {
-    struct sigaction act;
-    act.sa_handler = handler;
-    act.sa_flags = SA_RESTART;
-    sigemptyset(&act.sa_mask);
-    sigaction(signo, &act, NULL);
-}
-
-/* Create a pipe, and fork off a child.  This is the end of the road for
- * the parent, which will wait for an exit status byte on the pipe (which
- * is written by the child). */
-static void
-detach(char *device) {
-    pid_t childpid;
-    unsigned char exitCode;
-    int fd;
-
-    if (pipe(pipeArray) == -1)
-	exit(25);
-
-    childpid = fork();
-    if (childpid == -1)
-	exit(26);
-
-    if (childpid != 0) {
-        /* The parent only cares about notifications from the child. */
-        close (pipeArray[1]);
-
-        /* Certain signals are meant for our child, the watcher process. */
-        theChild = childpid;
-        set_signal(SIGINT, interrupt_child);
-        set_signal(SIGTERM, interrupt_child);
-        set_signal(SIGHUP, interrupt_child);
-
-        /* Read the pipe until the child gives us an exit code as a byte. */
-        while (read (pipeArray[0], &exitCode, 1) == -1) {
-	    switch (errno) {
-	        case EINTR: continue;
-	        default: exit (27); /* this will catch EIO in particular */
-	    }
-        }
-        switch (exitCode) {
-	case 0:
-	    break;
-	    
-	case 1:
-	    fprintf(stderr, "Device %s: An immediately fatal error of some kind  occurred,  such  as  an "
-		    "essential system call failing, or running out of virtual memory.\n", device);
-	    break;
-	  
-	case 2:
-	    fprintf(stderr, "Device %s: An error was detected in processing the options given, such as "
-		    "two mutually exclusive options being used.\n", device);
-	    break;
-	  
-	case 3:
-	    fprintf(stderr, "Device %s: Pppd is not setuid-root and the invoking user is not root.\n", device);
-	    break;
-	  
-	case 4:
-	    fprintf(stderr, "Device %s: The  kernel  does  not  support PPP, for example, the PPP kernel "
-		    "driver is not included or cannot be loaded.\n", device);
-	    break;
-	  
-	case 5:
-	    fprintf(stderr, "Device %s: Pppd terminated because it was sent a SIGINT, SIGTERM or SIGHUP signal.\n", device);
-	    break;
-	  
-	case 6:
-	    fprintf(stderr, "Device %s: The serial port could not be locked.\n", device);
-	    break;
-	  
-	case 7:
-	    fprintf(stderr, "Device %s: The serial port could not be opened.\n", device);
-	    break;
-	  
-	case 8:
-	    fprintf(stderr, "Device %s: The connect script failed (maybe wrong password or wrong phone number).\n", device);
-	    break;
-	  
-	case 9:
-	    fprintf(stderr, "Device %s: The command specified as the argument to the pty option could not be run.\n", device);
-	    break;
-	  
-	case 10:
-	    fprintf(stderr, "Device %s: The PPP negotiation failed, that is, it didn't reach the point "
-		    "where at least one network protocol (e.g. IP) was running.\n", device);
-	    break;
-	  
-	case 11:
-	    fprintf(stderr, "Device %s: The peer system failed (or refused) to authenticate itself.\n", device);
-	    break;
-	  
-	case 12:
-	    fprintf(stderr, "Device %s: The link was established successfully and terminated because it was idle.\n", device);
-	    break;
-	  
-	case 13:
-	    fprintf(stderr, "Device %s: The link was established successfully and terminated because the connect time limit was reached.\n", device);
-	    break;
-
-	case 14:
-	    fprintf(stderr, "Device %s: Callback was negotiated and an incoming  call should arrive shortly.\n", device);
-	    break;
-
-	case 15:
-	    fprintf(stderr, "Device %s: The link was terminated because the peer is not responding to echo requests.\n", device);
-	    break;
-
-	case 16:
-	    fprintf(stderr, "Device %s: The link was terminated by the modem hanging up.\n", device);
-	    break;
-
-	case 18:
-	    fprintf(stderr, "Device %s: The init script failed (returned a non-zero exit status).\n", device);
-	    break;
-
-	case 19:
-	    fprintf(stderr, "Device %s: We failed to authenticate ourselves to the peer.\n", device);
-	    break;
-
-	case 33:
-	    fprintf(stderr, "%s already up, initiating redial\n", device);
-	    break;
-	case 34:
-	    fprintf(stderr, "Failed to activate %s, retrying in the background\n", device);
-	    break;
-	default:
-	    fprintf(stderr, "Failed to activate %s with error %d\n", device, exitCode);
-	    break;
-	}
-	exit(exitCode);
-    }
-
-    /* We're in the child process, which only writes the exit status
-     * of the pppd process to its parent (i.e., it reads nothing). */
-    close (pipeArray[0]);
-
-    /* Don't leak this into programs we call. */
-    fcntl(pipeArray[1], F_SETFD, FD_CLOEXEC);
-
-    /* Redirect stdio to /dev/null. */
-    fd = open("/dev/null", O_RDONLY);
-    dup2(fd, STDIN_FILENO);
-    close(fd);
-
-    fd = open("/dev/null", O_WRONLY);
-    dup2(fd, STDOUT_FILENO);
-    dup2(fd, STDERR_FILENO);
-    close(fd);
-
-    /* Become session and process group leader. */
-    setsid();
-    setpgid(0, 0);
-}
-
-/* Do magic with the pid file (/var/run/pppwatch-$DEVICE.pid):
- * Try to open it for writing.  If it exists, send a SIGHUP to whatever PID
- * is already listed in it and remove it.  Repeat until we can open it.
- * Write out our PID, and return. */
-static void
-doPidFile(char *device) {
-    static char pidFilePath[PATH_MAX] = "";
-    int fd = -1;
-    FILE *f = NULL;
-    pid_t pid = 0;
-
-    if (device == NULL) {
-        /* Remove an existing pid file -- we're exiting. */
-	if(strlen(pidFilePath) > 0) {
-            unlink(pidFilePath);
-	}
-    } else  {
-	/* Set up the name of the pid file, used only the first time. */
-        snprintf(pidFilePath, sizeof(pidFilePath), "/var/run/pppwatch-%s.pid",
-	         device);
-
-	/* Create the pid file. */
-        do {
-	    fd = open(pidFilePath, O_WRONLY|O_TRUNC|O_CREAT|O_EXCL|O_NOFOLLOW,
-		      S_IRUSR|S_IWUSR | S_IRGRP | S_IROTH);
-	    if(fd == -1) {
-	        /* Try to open the file for read. */
-	        fd = open(pidFilePath, O_RDONLY);
-	        if(fd == -1)
-		    failureExit(36); /* This is not good. */
-
-	        /* We're already running, send a SIGHUP (we presume that they
-	         * are calling ifup for a reason, so they probably want to
-		 * redial) and then exit cleanly and let things go on in the
-		 * background.  Muck with the filename so that we don't go
-		 * deleting the pid file for the already-running instance.
-	         */
-	        f = fdopen(fd, "r");
-	        if(f == NULL)
-		    failureExit(37);
-
-		pid = 0;
-	        fscanf(f, "%d", &pid);
-	        fclose(f);
-
-	        if(pid) {
-                    /* Try to kill it. */
-		    if (kill(pid, SIGHUP) == -1) {
-		        /* No such pid, remove the bogus pid file. */
-		        unlink(pidFilePath);
-		    } else {
-		        /* Got it.  Don't mess with the pid file on
-			 * our way out. */
-			memset(pidFilePath, '\0', sizeof(pidFilePath));
-                        failureExit(33);
-		    }
-	        }
-	    }
-	} while(fd == -1);
-
-	f = fdopen(fd, "w");
-	if(f == NULL)
-	    failureExit(31);
-	fprintf(f, "%d\n", getpid());
-	fclose(f);
-    }
-}
-
-/* Fork off and exec() a child process.  If reap_child is non-zero,
- * wait for the child to exit and return 0 if it ran successfully,
- * otherwise return 0 right away and let the SIGCHLD handler deal. */
-static int
-fork_exec(gboolean reap, char *path, char *arg1, char *arg2, char *arg3)
-{
-    pid_t childpid;
-    int status;
-
-    sigset_t sigs;
-
-    childpid = fork();
-    if (childpid == -1)
-	exit(26);
-
-    if (childpid == 0) {
-	/* Do the exec magic.  Prepare by clearing the signal mask for pppd. */
-	sigemptyset(&sigs);
-	sigprocmask(SIG_SETMASK, &sigs, NULL);
-
-	if (!reap) {
-	    /* Make sure that the pppd is the leader for its process group. */
-	    setsid();
-	    setpgid(0, 0);
-	}
-
-	execl(path, path, arg1, arg2, arg3, NULL);
-	perror(path);
-	_exit (1);
-    }
-
-    if (reap) {
-	waitpid (childpid, &status, 0);
-	if (WIFEXITED(status) && (WEXITSTATUS(status) == 0)) {
-	    return 0;
-	} else {
-	    return 1;
-	}
-    } else {
-	return 0;
-    }
-}
-
-/* Relay the pppd's exit code up to the parent -- can only be called once,
- * because the parent exits as soon as it reads a byte. */
-static void
-relay_exitcode(unsigned char code)
-{
-    unsigned char exitCode;
-    exitCode = code;
-    write(pipeArray[1], &exitCode, 1);
-    close(pipeArray[1]);
-}
-
-/* Unregister with netreport, relay a status byte to the parent, clean up
- * the pid file, and bail. */
-static void
-failureExit(int exitCode) {
-    fork_exec(TRUE, "/sbin/netreport", "-r", NULL, NULL);
-    relay_exitcode(exitCode);
-    doPidFile(NULL);
-    exit(exitCode);
-}
-
-/* Keeps track of which signals we've seen so far. */
-static void
-signal_tracker (int signum) {
-    switch(signum) {
-        case SIGTERM:
-	    theSigterm = 1; break;
-        case SIGINT:
-	    theSigint = 1; break;
-        case SIGHUP:
-	    theSighup = 1; break;
-        case SIGIO:
-	    theSigio = 1; break;
-        case SIGCHLD:
-	    theSigchld = 1; break;
-        case SIGALRM:
-	    theSigalrm = 1; break;
-    }
-}
-
-/* Return a shvarFile for this interface, taking into account one level of
- * inheritance (eeewww). */
-static shvarFile *
-shvarfilesGet(const char *interfaceName) {
-    shvarFile *ifcfg = NULL;
-    char ifcfgName[PATH_MAX];
-    char *ifcfgParentDiff = NULL;
-
-    /* Start with the basic configuration. */
-    snprintf(ifcfgName, sizeof(ifcfgName), "%s%s", IFCFGPREFIX, interfaceName);
-    ifcfg = svNewFile(ifcfgName);
-    if (ifcfg == NULL)
-	    return NULL;
-
-    /* Do we have a parent interface (i.e., for ppp0-blah, ppp0) to inherit? */
-    ifcfgParentDiff = strchr(ifcfgName + sizeof(IFCFGPREFIX), '-');
-    if (ifcfgParentDiff) {
-        *ifcfgParentDiff = '\0';
-	ifcfg->parent = svNewFile(ifcfgName);
-    }
-
-    /* This is very unclean, but we have to close the shvar descriptors in
-     * case they've been numbered STDOUT_FILENO or STDERR_FILENO, which would
-     * be disastrous if inherited by a child process. */
-    close (ifcfg->fd);
-    ifcfg->fd = 0;
-
-    if (ifcfg->parent) {
-	close (ifcfg->parent->fd);
-	ifcfg->parent->fd = 0;
-    }
-
-    return ifcfg;
-}
-
-/* Convert a logical interface name to a real one by reading the lock
- * file created by pppd. */
-static void
-pppLogicalToPhysical(int *pppdPid, char *logicalName, char **physicalName) {
-    char mapFileName[PATH_MAX];
-    char buffer[20];
-    char *p, *q;
-    int fd, n;
-    char *physicalDevice = NULL;
-
-    snprintf(mapFileName, sizeof(mapFileName), "/var/run/ppp-%s.pid",
-	     logicalName);
-    fd = open(mapFileName, O_RDONLY);
-    if (fd != -1) {
-	n = read(fd, buffer, sizeof(buffer) - 1);
-	close(fd);
-	if (n > 0) {
-	    buffer[n] = '\0';
-	    /* Split up the file at the first line break -- the PID is on the
-	     * first line. */
-	    if((p = strchr(buffer, '\n')) != NULL) {
-		*p = '\0';
-		p++;
-	        if (pppdPid) {
-		    *pppdPid = atoi(buffer);
-	        }
-	        /* The physical device name is on the second line. */
-	        if((q = strchr(p, '\n')) != NULL) {
-		    *q = '\0';
-		    physicalDevice = strdup(p);
-		}
-	    }
-	}
-    }
-
-    if (physicalDevice) {
-        if (physicalName) {
-            *physicalName = physicalDevice;
-	} else {
-            free(physicalDevice);
-	}
-    } else {
-        if (physicalName) {
-            *physicalName = NULL;
-	}
-    }
-}
-
-/* Return a boolean value indicating if the interface is up.  If not, or
- * if we don't know, return FALSE. */
-static gboolean
-interfaceIsUp(char *device) {
-    int sock = -1;
-    int family[] = {PF_INET, PF_IPX, PF_AX25, PF_APPLETALK, 0};
-    int p = 0;
-    struct ifreq ifr;
-    gboolean retcode = FALSE;
-
-    /* Create a socket suitable for doing routing ioctls. */
-    for (p = 0; (sock == -1) && family[p]; p++) {
-        sock = socket(family[p], SOCK_DGRAM, 0);
-    }
-    if (sock == -1)
-	return FALSE;
-
-    /* Populate the request structure for getting the interface's status. */
-    memset(&ifr, 0, sizeof(ifr));
-    strncpy(ifr.ifr_name, device, sizeof(ifr.ifr_name) - 1);
-    ifr.ifr_name[sizeof(ifr.ifr_name) - 1] = '\0';
-
-    /* We return TRUE iff the ioctl succeeded and the interface is UP. */
-    if (ioctl(sock, SIOCGIFFLAGS, &ifr) == -1) {
-        retcode = FALSE;
-    } else if (ifr.ifr_flags & IFF_UP) {
-        retcode = TRUE;
-    }
-
-    close(sock);
-
-    return retcode;
-}
-
-/* Very, very minimal hangup function.  This just attempts to hang up a device
- * that should already be hung up, so it does not need to be bulletproof.  */
-static void
-hangup(shvarFile *ifcfg) {
-    int fd;
-    char *line;
-    struct termios original_ts, ts;
-
-    line = svGetValue(ifcfg, "MODEMPORT");
-    if (line == NULL)
-	return;
-
-    fd = open(line, O_RDWR | O_NOCTTY | O_NONBLOCK);
-    if (fd != -1) {
-        if (tcgetattr(fd, &ts) != -1) {
-            original_ts = ts;
-            write(fd, "\r", 1); /* tickle modems that do not like dropped DTR */
-            usleep(1000);
-            cfsetospeed(&ts, B0);
-            tcsetattr(fd, TCSANOW, &ts);
-            usleep(100000);
-            tcsetattr(fd, TCSANOW, &original_ts);
-	}
-	close(fd);
-    }
-    free(line);
-}
-
-int
-main(int argc, char **argv) {
-    int status;
-    pid_t waited;
-    char *device, *real_device, *physicalDevice = NULL;
-    char *boot = NULL;
-    shvarFile *ifcfg;
-    sigset_t blockedsigs, unblockedsigs;
-    int pppdPid = 0;
-    int timeout = 30;
-    char *temp;
-    gboolean dying = FALSE;
-    int sendsig;
-    gboolean connectedOnce = FALSE;
-    int maxfail = 0;		// MAXFAIL Patch <ssharkey@linux-no-limits.com>
-
-    if (argc < 2) {
-	fprintf (stderr, "usage: ppp-watch <interface-name> [boot]\n");
-	exit(30);
-    }
-
-    if (strncmp(argv[1], "ifcfg-", 6) == 0) {
-	device = argv[1] + 6;
-    } else {
-	device = argv[1];
-    }
-
-    detach(device); /* Prepare a child process to monitor pppd.  When we
-		       return, we'll be in the child. */
-
-    if ((argc > 2) && (strcmp("boot", argv[2]) == 0)) {
-	boot = argv[2];
-    }
-
-    ifcfg = shvarfilesGet(device);
-    if (ifcfg == NULL)
-	failureExit(28);
-
-    real_device = svGetValue(ifcfg, "DEVICE");
-    if (real_device == NULL)
-	real_device = device;
-
-    doPidFile(real_device);
-
-    /* We'll want to know which signal interrupted our sleep below, so
-     * attach a signal handler to these. */
-    set_signal(SIGTERM, signal_tracker);
-    set_signal(SIGINT, signal_tracker);
-    set_signal(SIGHUP, signal_tracker);
-    set_signal(SIGIO, signal_tracker);
-    set_signal(SIGCHLD, signal_tracker);
-
-    /* We time out only if we're being run at boot-time. */
-    if (boot) {
-	temp = svGetValue(ifcfg, "BOOTTIMEOUT");
-	if (temp) {
-	    timeout = atoi(temp);
-	    if (timeout < 1) timeout = 1;
-	    free(temp);
-	} else {
-	    timeout = 30;
-	}
-	set_signal(SIGALRM, signal_tracker);
-	alarm(timeout);
-    }
-
-    /* Register us to get a signal when something changes. Yes, that's vague. */
-    fork_exec(TRUE, "/sbin/netreport", NULL, NULL, NULL);
-
-    /* Reset theSigchld, which should have been triggered by netreport. */
-    theSigchld = 0;
-
-    /* We don't set up the procmask until after we have received the netreport
-     * signal.  Do so now. */
-    sigemptyset(&blockedsigs);
-    sigaddset(&blockedsigs, SIGTERM);
-    sigaddset(&blockedsigs, SIGINT);
-    sigaddset(&blockedsigs, SIGHUP);
-    sigaddset(&blockedsigs, SIGIO);
-    sigaddset(&blockedsigs, SIGCHLD);
-    if (boot) {
-	sigaddset(&blockedsigs, SIGALRM);
-    }
-    sigprocmask(SIG_BLOCK, &blockedsigs, NULL);
-
-    sigfillset(&unblockedsigs);
-    sigdelset(&unblockedsigs, SIGTERM);
-    sigdelset(&unblockedsigs, SIGINT);
-    sigdelset(&unblockedsigs, SIGHUP);
-    sigdelset(&unblockedsigs, SIGIO);
-    sigdelset(&unblockedsigs, SIGCHLD);
-    if (boot) {
-	sigdelset(&unblockedsigs, SIGALRM);
-    }
-    sigprocmask(SIG_UNBLOCK, &unblockedsigs, NULL);
-
-    /* Initialize the retry timeout using the RETRYTIMEOUT setting. */
-    temp = svGetValue(ifcfg, "RETRYTIMEOUT");
-    if (temp) {
-	timeout = atoi(temp);
-	free(temp);
-    } else {
-	timeout = 30;
-    }
-
-    /* Start trying to bring the interface up. */
-    fork_exec(FALSE, IFUP_PPP, "daemon", device, boot);
-
-    while (TRUE) {
-	/* Wait for a signal. */
-	if (!theSigterm &&
-	    !theSigint &&
-	    !theSighup &&
-	    !theSigio &&
-	    !theSigchld &&
-	    !theSigalrm) {
-	    sigsuspend(&unblockedsigs);
-	}
-
-	/* If we got SIGTERM or SIGINT, give up and hang up. */
-	if (theSigterm || theSigint) {
-	    theSigterm = theSigint = 0;
-
-	    /* If we've already tried to exit this way, use SIGKILL instead
-	     * of SIGTERM, because pppd's just being stubborn. */
-	    if (dying) {
-		sendsig = SIGKILL;
-	    } else {
-		sendsig = SIGTERM;
-	    }
-	    dying = TRUE;
-
-	    /* Get the pid of our child pppd. */
-	    pppLogicalToPhysical(&pppdPid, device, NULL);
-
-	    /* We don't know what our child pid is.  This is very confusing. */
-	    if (!pppdPid) {
-		failureExit(35);
-	    }
-
-	    /* Die, pppd, die. */
-	    kill(pppdPid, sendsig);
-	    if (sendsig == SIGKILL) {
-		kill(-pppdPid, SIGTERM); /* Give it a chance to die nicely, then
-					    kill its whole process group. */
-		usleep(2500000);
-		kill(-pppdPid, sendsig);
-		hangup(ifcfg);
-		failureExit(32);
-	    }
-	}
-
-	/* If we got SIGHUP, reload and redial. */
-	if (theSighup) {
-	    theSighup = 0;
-
-	    /* Free and reload the configuration structure. */
-	    if (ifcfg->parent)
-		svCloseFile(ifcfg->parent);
-	    svCloseFile(ifcfg);
-	    ifcfg = shvarfilesGet(device);
-
-	    /* Get the PID of our child pppd. */
-	    pppLogicalToPhysical(&pppdPid, device, NULL);
-	    kill(pppdPid, SIGTERM);
-
-	    /* We'll redial when the SIGCHLD arrives, even if PERSIST is
-	     * not set (the latter handled by clearing the "we've connected
-	     * at least once" flag). */
-	    connectedOnce = FALSE;
-
- 	    /* We don't want to delay before redialing, either, so cut
-	     * the retry timeout to zero. */
-	    timeout = 0;
-	}
-
-	/* If we got a SIGIO (from netreport, presumably), check if the
-	 * interface is up and return zero (via our parent) if it is. */
-	if (theSigio) {
-	    theSigio = 0;
-
-	    pppLogicalToPhysical(NULL, device, &physicalDevice);
-	    if (physicalDevice) {
-		if (interfaceIsUp(physicalDevice)) {
-		    /* The interface is up, so report a success to a parent if
-		     * we have one.  Any errors after this we just swallow. */
-		    relay_exitcode(0);
-		    connectedOnce = TRUE;
-		    alarm(0);
-		}
-		free(physicalDevice);
-	    }
-	}
-
-	/* If we got a SIGCHLD, then pppd died (possibly because we killed it),
-	 * and we need to restart it after timeout seconds. */
-	if (theSigchld) {
-	    theSigchld = 0;
-
-	    /* Find its pid, which is also its process group ID. */
-	    waited = waitpid(-1, &status, 0);
-	    if (waited == -1) {
-		continue;
-	    }
-
-	    /* Now, we need to kill any children of pppd still in pppd's
-	     * process group, in case they are hanging around.
-	     * pppd is dead (we just waited for it) but there is no
-	     * guarantee that its children are dead, and they will
-	     * hold the modem if we do not get rid of them.
-	     * We have kept the old pid/pgrp around in pppdPid.  */
-	    if (pppdPid) {
-		kill(-pppdPid, SIGTERM); /* give it a chance to die nicely */
-		usleep(2500000);
-		kill(-pppdPid, SIGKILL);
-		hangup(ifcfg);
-	    }
-	    pppdPid = 0;
-
-	    /* Bail if the child exitted abnormally or we were already
-	     * signalled to kill it. */
-	    if (!WIFEXITED(status)) {
-		failureExit(29);
-	    }
-	    if (dying) {
-		failureExit(WEXITSTATUS(status));
-	    }
-
-	    /* Error conditions from which we do not expect to recover
-	     * without user intervention -- do not fill up the logs.  */
-	    switch (WEXITSTATUS(status)) {
-	    case 1: case 2: case 3: case 4: case 6:
-	    case 7: case 9: case 14: case 17:
-		failureExit(WEXITSTATUS(status));
-		break;
-	    default:
-		break;
-	    }
-
-            /* PGB 08/20/02: We no longer retry connecting MAXFAIL
-	       times on a failed connect script unless RETRYCONNECT is
-	       true. */
-	    if ((WEXITSTATUS(status) == 8) &&
-		!svTrueValue(ifcfg, "RETRYCONNECT", FALSE)) {
-                failureExit(WEXITSTATUS(status));
-            }
-
-	    /* If we've never connected, or PERSIST is set, dial again, up
-	     * to MAXFAIL times. */
-	    if ((WEXITSTATUS(status) == 8) ||
-	        !connectedOnce ||
-		svTrueValue(ifcfg, "PERSIST", FALSE)) {
-		/* If we've been connected (i.e., if we didn't force a redial,
-		 * but the connection went down) wait for DISCONNECTTIMEOUT
-		 * seconds before redialing. */
-		if (connectedOnce) {
-		    connectedOnce = FALSE;
-		    temp = svGetValue(ifcfg, "DISCONNECTTIMEOUT");
-		    if (temp) {
-			timeout = atoi(temp);
-			free(temp);
-		    } else {
-			timeout = 2;
-		    }
-		}
-		sigprocmask(SIG_UNBLOCK, &blockedsigs, NULL);
-		sleep(timeout);
-		sigprocmask(SIG_BLOCK, &blockedsigs, NULL);
-		if (!theSigterm &&
-		    !theSigint &&
-		    !theSighup &&
-		    !theSigio &&
-		    !theSigchld &&
-		    !theSigalrm) {
-		    fork_exec(FALSE, IFUP_PPP, "daemon", device, boot);
-		}
-		/* Reinitialize the retry timeout. */
-		temp = svGetValue(ifcfg, "RETRYTIMEOUT");
-		if (temp) {
-		    timeout = atoi(temp);
-		    free(temp);
-		} else {
-		    timeout = 30;
-		}
-// Scott Sharkey <ssharkey@linux-no-limits.com>
-// MAXFAIL Patch...
-		temp = svGetValue(ifcfg, "MAXFAIL");
-		if (temp) {
-		    maxfail = atoi(temp);
-		    free(temp);
-		} else {
-		    maxfail = 0;
-		}
-		if ( maxfail != 0 ) {
-		    dialCount++;
-		    if ( dialCount >= maxfail )
-			failureExit(WEXITSTATUS(status));
-		} 
-	    } else {
-		failureExit(WEXITSTATUS(status));
-	    }
-	}
-
-	/* We timed out, and we're running at boot-time. */
-	if (theSigalrm) {
-	    failureExit(34);
-	}
-    }
-}