Add the clone' and remove' commands for creating and destroying

links.

usr.sbin/ppp/bundle.c

@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: bundle.c,v 1.1.2.37 1998/04/03 19:26:16 brian Exp $
+ *	$Id: bundle.c,v 1.1.2.38 1998/04/04 13:01:19 brian Exp $
  */
 
 #include <sys/param.h>
@@ -993,3 +993,25 @@ bundle_SetTtyCommandMode(struct bundle *bundle, struct datalink *dl)
         prompt_TtyCommandMode(p);
     }
 }
+void
+bundle_DatalinkClone(struct bundle *bundle, struct datalink *dl,
+                     const char *name)
+{
+  struct datalink *ndl = datalink_Clone(dl, name);
+
+  ndl->next = dl->next;
+  dl->next = ndl;
+}
+
+void
+bundle_DatalinkRemove(struct bundle *bundle, struct datalink *dl)
+{
+  struct datalink **dlp;
+
+  if (dl->state == DATALINK_CLOSED)
+    for (dlp = &bundle->links; *dlp; dlp = &(*dlp)->next)
+      if (*dlp == dl) {
+        *dlp = datalink_Destroy(dl);
+        break;
+      }
+}

usr.sbin/ppp/bundle.h

@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: bundle.h,v 1.1.2.24 1998/04/03 19:25:24 brian Exp $
+ *	$Id: bundle.h,v 1.1.2.25 1998/04/03 19:26:17 brian Exp $
  */
 
 #define	PHASE_DEAD		0	/* Link is dead */
@@ -118,3 +118,7 @@ extern void bundle_DisplayPrompt(struct bundle *);
 extern void bundle_WriteTermPrompt(struct bundle *, struct datalink *,
                                    const char *, int);
 extern void bundle_SetTtyCommandMode(struct bundle *, struct datalink *);
+
+extern void bundle_DatalinkClone(struct bundle *, struct datalink *,
+                                 const char *);
+extern void bundle_DatalinkRemove(struct bundle *, struct datalink *);

usr.sbin/ppp/command.c

@@ -17,7 +17,7 @@
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
- * $Id: command.c,v 1.131.2.51 1998/04/03 19:26:19 brian Exp $
+ * $Id: command.c,v 1.131.2.52 1998/04/04 10:34:27 brian Exp $
  *
  */
 #include <sys/param.h>
@@ -95,8 +95,6 @@ static int SetCommand(struct cmdargs const *);
 static int LinkCommand(struct cmdargs const *);
 static int AddCommand(struct cmdargs const *);
 static int DeleteCommand(struct cmdargs const *);
-static int BgShellCommand(struct cmdargs const *);
-static int FgShellCommand(struct cmdargs const *);
 #ifndef NOALIAS
 static int AliasCommand(struct cmdargs const *);
 static int AliasEnable(struct cmdargs const *);
@@ -171,6 +169,44 @@ IsInteractive(struct prompt *prompt)
   return mode & MODE_INTER;
 }
 
+static int
+CloneCommand(struct cmdargs const *arg)
+{
+  int f;
+
+  if (arg->argc == 0)
+    return -1;
+
+  if (!arg->bundle->ncp.mp.active) {
+    LogPrintf(LogWARN, "clone: Only available in multilink mode\n");
+    return 1;
+  }
+
+  for (f = 0; f < arg->argc; f++)
+    bundle_DatalinkClone(arg->bundle, arg->cx, arg->argv[f]);
+  return 0;
+}
+
+static int
+RemoveCommand(struct cmdargs const *arg)
+{
+  if (arg->argc != 0)
+    return -1;
+
+  if (!arg->bundle->ncp.mp.active) {
+    LogPrintf(LogWARN, "remove: Only available in multilink mode\n");
+    return 1;
+  }
+
+  if (arg->cx->state != DATALINK_CLOSED) {
+    LogPrintf(LogWARN, "remove: Cannot delete links that aren't closed\n");
+    return 2;
+  }
+
+  bundle_DatalinkRemove(arg->bundle, arg->cx);
+  return 0;
+}
+
 static int
 DialCommand(struct cmdargs const *arg)
 {
@@ -336,6 +372,8 @@ static struct cmdtab const Commands[] = {
   "Allow ppp access", "allow users|modes ...."},
   {"bg", "!bg", BgShellCommand, LOCAL_AUTH,
   "Run a background command", "[!]bg command"},
+  {"clone", NULL, CloneCommand, LOCAL_AUTH | LOCAL_CX,
+  "Clone a link", "clone newname..."},
   {"close", NULL, CloseCommand, LOCAL_AUTH | LOCAL_CX_OPT,
   "Close connection", "close"},
   {"delete", NULL, DeleteCommand, LOCAL_AUTH,
@@ -362,6 +400,8 @@ static struct cmdtab const Commands[] = {
   "Password for manipulation", "passwd LocalPassword"},
   {"quit", "bye", QuitCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
   "Quit PPP program", "quit|bye [all]"},
+  {"remove", NULL, RemoveCommand, LOCAL_AUTH | LOCAL_CX,
+  "Remove a link", "remove"},
   {"save", NULL, SaveCommand, LOCAL_AUTH,
   "Save settings", "save"},
   {"set", "setup", SetCommand, LOCAL_AUTH | LOCAL_CX_OPT,

usr.sbin/ppp/datalink.c

@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: datalink.c,v 1.1.2.31 1998/04/03 19:25:27 brian Exp $
+ *	$Id: datalink.c,v 1.1.2.32 1998/04/03 19:26:20 brian Exp $
  */
 
 #include <sys/param.h>
@@ -539,6 +539,61 @@ datalink_Create(const char *name, struct bundle *bundle,
   return dl;
 }
 
+struct datalink *
+datalink_Clone(struct datalink *odl, const char *name)
+{
+  struct datalink *dl;
+
+  dl = (struct datalink *)malloc(sizeof(struct datalink));
+  if (dl == NULL)
+    return dl;
+
+  dl->desc.type = DATALINK_DESCRIPTOR;
+  dl->desc.next = NULL;
+  dl->desc.UpdateSet = datalink_UpdateSet;
+  dl->desc.IsSet = datalink_IsSet;
+  dl->desc.Read = datalink_Read;
+  dl->desc.Write = datalink_Write;
+
+  dl->state = DATALINK_CLOSED;
+
+  memcpy(&dl->cfg, &odl->cfg, sizeof dl->cfg);
+  mp_linkInit(&dl->mp);
+  *dl->phone.list = '\0';
+  dl->bundle = odl->bundle;
+  dl->next = NULL;
+  memset(&dl->dial_timer, '\0', sizeof dl->dial_timer);
+  dl->dial_tries = 0;
+  dl->reconnect_tries = 0;
+  dl->name = strdup(name);
+  dl->parent = odl->parent;
+  memcpy(&dl->fsmp, &odl->fsmp, sizeof dl->fsmp);
+  authinfo_Init(&dl->pap);
+  dl->pap.cfg.fsmretry = odl->pap.cfg.fsmretry;
+
+  authinfo_Init(&dl->chap.auth);
+  dl->chap.auth.cfg.fsmretry = odl->chap.auth.cfg.fsmretry;
+
+  if ((dl->physical = modem_Create(dl)) == NULL) {
+    free(dl->name);
+    free(dl);
+    return NULL;
+  }
+  memcpy(&dl->physical->cfg, &odl->physical->cfg, sizeof dl->physical->cfg);
+  memcpy(&dl->physical->link.lcp.cfg, &odl->physical->link.lcp.cfg,
+         sizeof dl->physical->link.lcp.cfg);
+  memcpy(&dl->physical->link.ccp.cfg, &odl->physical->link.ccp.cfg,
+         sizeof dl->physical->link.ccp.cfg);
+  memcpy(&dl->physical->async.cfg, &odl->physical->async.cfg,
+         sizeof dl->physical->async.cfg);
+
+  chat_Init(&dl->chat, dl->physical, NULL, 1, NULL);
+
+  LogPrintf(LogPHASE, "%s: Created in CLOSED state\n", dl->name);
+
+  return dl;
+}
+
 struct datalink *
 datalink_Destroy(struct datalink *dl)
 {

usr.sbin/ppp/datalink.h

@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: datalink.h,v 1.1.2.13 1998/04/03 19:21:18 brian Exp $
+ *	$Id: datalink.h,v 1.1.2.14 1998/04/03 19:25:28 brian Exp $
  */
 
 #define DATALINK_CLOSED  (0)
@@ -98,6 +98,7 @@ struct prompt;
 
 extern struct datalink *datalink_Create(const char *name, struct bundle *,
                                         const struct fsm_parent *);
+extern struct datalink *datalink_Clone(struct datalink *, const char *);
 extern struct datalink *datalink_Destroy(struct datalink *);
 extern void datalink_Up(struct datalink *, int, int);
 extern void datalink_Close(struct datalink *, int);

usr.sbin/ppp/hdlc.h

@@ -15,7 +15,7 @@
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
- * $Id: hdlc.h,v 1.14.2.7 1998/03/13 00:44:04 brian Exp $
+ * $Id: hdlc.h,v 1.14.2.8 1998/04/03 19:21:23 brian Exp $
  *
  *	TODO:
  */
@@ -94,7 +94,6 @@ struct hdlc {
       u_int32_t seq_recv;		/* last echo received */
     } echo;
   } lqm;
-
 };
 
 
@@ -103,11 +102,10 @@ extern void hdlc_StartTimer(struct hdlc *);
 extern void hdlc_StopTimer(struct hdlc *);
 extern int hdlc_ReportStatus(struct cmdargs const *);
 extern const char *hdlc_Protocol2Nam(u_short);
+extern void hdlc_DecodePacket(struct bundle *, u_short, struct mbuf *,
+                              struct link *);
 
 extern void HdlcInput(struct bundle *, struct mbuf *, struct physical *);
 extern void HdlcOutput(struct link *, int, u_short, struct mbuf *bp);
 extern u_short HdlcFcs(u_short, u_char *, int);
-extern int ReportProtStatus(struct cmdargs const *);
 extern u_char *HdlcDetect(struct physical *, u_char *, int);
-extern void hdlc_DecodePacket(struct bundle *, u_short, struct mbuf *,
-                              struct link *);

usr.sbin/ppp/ppp.8

@@ -1,4 +1,4 @@
-.\" $Id: ppp.8,v 1.97.2.11 1998/04/03 19:25:48 brian Exp $
+.\" $Id: ppp.8,v 1.97.2.12 1998/04/03 19:26:26 brian Exp $
 .Dd 20 September 1995
 .Os FreeBSD
 .Dt PPP 8
@@ -1922,6 +1922,15 @@ will be replaced with the appropriate values.  If you wish to pause
 while the command executes, use the
 .Dv shell
 command instead.
+.It clone Ar name...
+Clone the specified link, creating one or more new links according to the
+.Ar name
+argument(s).  This command must be used from the
+.Dq link
+command below.  It is only available in multilink mode.  Links may
+be removed using the
+.Dq remove
+command below.
 .It close
 Close the current connection (but don't quit).
 .It delete[!] Ar dest
@@ -2021,6 +2030,13 @@ all argument is given,
 .Nm
 will exit despite the source of the command after closing all existing
 connections.
+.It remove
+This command removes the given link (specified via the
+.Dq link
+command).  It is only available in multilink mode.  A link must be
+in the
+.Dv CLOSED
+state before it is removed.
 .It save
 This option is not (yet) implemented.
 .It set[up] Ar var value