Date: Tue, 13 Feb 1996 08:32:24 -0700 From: Nate Williams <nate@sri.MT.net> To: "Jay L. West" <jlwest@tseinc.com> Cc: nate@sri.MT.net, freebsd-questions@freebsd.org Subject: Auto-dial iijppp (was Re: Several misc. questions on user mode PPP) Message-ID: <199602131532.IAA22359@rocky.sri.MT.net> In-Reply-To: <199602130741.HAA06766@bsd.tseinc.com> References: <199602130741.HAA06766@bsd.tseinc.com>
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> >> I think he was just looking for a somewhat more elegant way to
> >> starting the interface, as opposed to editing /etc/netstart, which is
> >> now supposed to be sacrosanct. Try the following:
> >
> >Hmm, that's not the impression I got. He was using -auto already, but
> >needed to pint the remote host to get things started.
>
> I was wanting to have the system bring up the link (ie. dial) upon bootup
> without haveing to do the ping command to 'fudge' an outgoing packet. But I
> do think the start_if.interface script is rather elegant, and will do it
> that way. (Albeit, that doesn't solve the original question).
OK, here are my 'ddial' patches updated to the most recent version of
ppp in -stable. If you use 'ppp -ddial host', it will do it's darndest
to keep the link up *all* the time, no matter if there is traffic
needing to be sent.
Nate
---------
Index: command.c
===================================================================
RCS file: /home/CVS/src/usr.sbin/ppp/command.c,v
retrieving revision 1.5.4.3
diff -c -r1.5.4.3 command.c
*** command.c 1996/02/05 17:02:52 1.5.4.3
--- command.c 1996/02/13 15:26:28
***************
*** 99,105 ****
{
char *mes = NULL;
! if (mode & MODE_AUTO)
mes = "Working in auto mode.";
else if (mode & MODE_DIRECT)
mes = "Working in direct mode.";
--- 99,107 ----
{
char *mes = NULL;
! if (mode & MODE_DDIAL)
! mes = "Working in dedicated dial mode.";
! else if (mode & MODE_AUTO)
mes = "Working in auto mode.";
else if (mode & MODE_DIRECT)
mes = "Working in direct mode.";
Index: defs.h
===================================================================
RCS file: /home/CVS/src/usr.sbin/ppp/defs.h,v
retrieving revision 1.2.4.2
diff -c -r1.2.4.2 defs.h
*** defs.h 1996/02/05 17:02:54 1.2.4.2
--- defs.h 1996/02/13 15:26:29
***************
*** 59,64 ****
--- 59,65 ----
#define MODE_AUTO 2 /* Auto calling mode */
#define MODE_DIRECT 4 /* Direct connection mode */
#define MODE_DEDICATED 8 /* Dedicated line mode */
+ #define MODE_DDIAL 16 /* Dedicated dialing line mode */
#define EX_NORMAL 0
#define EX_START 1
Index: ip.c
===================================================================
RCS file: /home/CVS/src/usr.sbin/ppp/ip.c,v
retrieving revision 1.4.4.2
diff -c -r1.4.4.2 ip.c
*** ip.c 1996/02/05 17:03:02 1.4.4.2
--- ip.c 1996/02/13 15:26:33
***************
*** 53,59 ****
void
StartIdleTimer()
{
! if (!(mode & MODE_DEDICATED)) {
StopTimer(&IdleTimer);
IdleTimer.func = IdleTimeout;
IdleTimer.load = VarIdleTimeout * SECTICKS;
--- 53,59 ----
void
StartIdleTimer()
{
! if (!(mode & MODE_DEDICATED|MODE_DDIAL)) {
StopTimer(&IdleTimer);
IdleTimer.func = IdleTimeout;
IdleTimer.load = VarIdleTimeout * SECTICKS;
***************
*** 74,80 ****
static void
RestartIdleTimer()
{
! if (!(mode & MODE_DEDICATED) && ipKeepAlive ) {
StartTimer(&IdleTimer);
ipIdleSecs = 0;
}
--- 74,80 ----
static void
RestartIdleTimer()
{
! if (!(mode & MODE_DEDICATED|MODE_DDIAL) && ipKeepAlive ) {
StartTimer(&IdleTimer);
ipIdleSecs = 0;
}
Index: main.c
===================================================================
RCS file: /home/CVS/src/usr.sbin/ppp/main.c,v
retrieving revision 1.5.4.3
diff -c -r1.5.4.3 main.c
*** main.c 1996/02/05 17:03:09 1.5.4.3
--- main.c 1996/02/13 15:26:39
***************
*** 204,210 ****
void
Usage()
{
! fprintf(stderr, "Usage: ppp [-auto | -direct | -dedicated] [system]\n");
exit(EX_START);
}
--- 204,211 ----
void
Usage()
{
! fprintf(stderr,
! "Usage: ppp [-auto | -direct | -dedicated | -ddial ] [system]\n");
exit(EX_START);
}
***************
*** 223,228 ****
--- 224,231 ----
mode |= MODE_DIRECT;
else if (strcmp(cp, "dedicated") == 0)
mode |= MODE_DEDICATED;
+ else if (strcmp(cp, "ddial") == 0)
+ mode |= MODE_DDIAL|MODE_AUTO;
else
Usage();
optc++;
***************
*** 294,302 ****
printf("Interactive mode\n");
netfd = 0;
} else if (mode & MODE_AUTO) {
! printf("Automatic mode\n");
if (dstsystem == NULL) {
! fprintf(stderr, "Destination system must be specified in auto mode.\n");
exit(EX_START);
}
}
--- 297,306 ----
printf("Interactive mode\n");
netfd = 0;
} else if (mode & MODE_AUTO) {
! printf("Automatic Dialer mode\n");
if (dstsystem == NULL) {
! fprintf(stderr,
! "Destination system must be specified in auto or ddial mode.\n");
exit(EX_START);
}
}
***************
*** 335,341 ****
Cleanup(EX_START);
}
if ((mode & MODE_AUTO) && DefHisAddress.ipaddr.s_addr == INADDR_ANY) {
! fprintf(stderr, "Must specify dstaddr with auto mode.\n");
Cleanup(EX_START);
}
}
--- 339,345 ----
Cleanup(EX_START);
}
if ((mode & MODE_AUTO) && DefHisAddress.ipaddr.s_addr == INADDR_ANY) {
! fprintf(stderr, "Must specify dstaddr with auto or ddial mode.\n");
Cleanup(EX_START);
}
}
***************
*** 639,644 ****
--- 643,655 ----
tries = 0;
for (;;) {
FD_ZERO(&rfds); FD_ZERO(&wfds); FD_ZERO(&efds);
+
+ /*
+ * If the link is down and we're in DDIAL mode, bring it back
+ * up.
+ */
+ if (mode & MODE_DDIAL && LcpFsm.state <= ST_CLOSED)
+ dial_up = TRUE;
/*
* If Ip packet for output is enqueued and require dial up,
Index: ppp.8
===================================================================
RCS file: /home/CVS/src/usr.sbin/ppp/ppp.8,v
retrieving revision 1.8.4.3
diff -c -r1.8.4.3 ppp.8
*** ppp.8 1996/02/05 17:03:17 1.8.4.3
--- ppp.8 1996/02/13 15:26:44
***************
*** 9,15 ****
Point to Point Protocol (aka iijppp)
.Sh SYNOPSIS
.Nm
! .Op Fl auto \*(Ba Fl direct Fl dedicated
.Sh DESCRIPTION
This is a user process
.Em PPP
--- 9,15 ----
Point to Point Protocol (aka iijppp)
.Sh SYNOPSIS
.Nm
! .Op Fl auto \*(Ba Fl direct \*(Ba Fl dedicated \*(Ba Fl ddial
.Sh DESCRIPTION
This is a user process
.Em PPP
***************
*** 52,57 ****
--- 52,64 ----
link. When this happens, the daemon automatically dials and establishes the
connection.
+ In almost the same manner ddial mode (dedicated dialing or demon dialing)
+ also automatically dials and establishes the connection. However, it
+ differs in that it will dial the remote site any time it detects the
+ link is down, even if there are no packets to be sent. This mode is
+ useful for full-time connections who worry less about line charges
+ and more about being connected full time.
+
.It Supports server-side PPP connections.
Can act as server which accepts incoming
.Em PPP
***************
*** 274,279 ****
--- 281,288 ----
To play with demand dialing, you must use the
.Fl auto
+ or
+ .Fl ddial
option. You must also specify the destination label in
.Pa /etc/ppp/ppp.conf
to use. It should contain the
***************
*** 287,292 ****
--- 296,303 ----
When
.Fl auto
+ or
+ .Fl ddial
is specified,
.Nm
runs as a daemon but you can still configure or examine its
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