Import sources from 2011-03-30 iso image

1 files changed, 60 insertions, 0 deletions

diff --git a/sys/src/cmd/ip/ipconfig/ppp.c b/sys/src/cmd/ip/ipconfig/ppp.c
new file mode 100755
index 000000000..8d67925a1
--- /dev/null
+++ b/sys/src/cmd/ip/ipconfig/ppp.c
@@ -0,0 +1,60 @@
+#include <u.h>
+#include <libc.h>
+#include <ip.h>
+#include <bio.h>
+#include <ndb.h>
+#include "../dhcp.h"
+#include "ipconfig.h"
+
+void
+pppbinddev(void)
+{
+	int ac, pid;
+	char *av[12];
+	Waitmsg *w;
+
+	/* ppp does the binding */
+
+	/* start with an empty config file */
+	if(nip == 0)
+		writendb("", 0, 0);
+
+	switch(pid = rfork(RFPROC|RFFDG|RFMEM)){
+	case -1:
+		sysfatal("can't start ppp: %r");
+	case 0:
+		ac = 0;
+		av[ac++] = "ppp";
+		av[ac++] = "-uf";
+		av[ac++] = "-p";
+		av[ac++] = conf.dev;
+		av[ac++] = "-x";
+		av[ac++] = conf.mpoint;
+		if(conf.baud != nil){
+			av[ac++] = "-b";
+			av[ac++] = conf.baud;
+		}
+		av[ac] = nil;
+		exec("/bin/ip/ppp", av);
+		exec("/ppp", av);
+		sysfatal("execing /ppp: %r");
+	}
+
+	/* wait for ppp to finish connecting and configuring */
+	while((w = wait()) != nil){
+		if(w->pid == pid){
+			if(w->msg[0] != 0)
+				sysfatal("/ppp exited with status: %s", w->msg);
+			free(w);
+			break;
+		}
+		free(w);
+	}
+	if(w == nil)
+		sysfatal("/ppp disappeared");
+
+	/* ppp sets up the configuration itself */
+	noconfig = 1;
+	getndb();
+}
+