1 files changed, 83 insertions, 0 deletions
diff --git a/src/cmd/auth/factotum/wep.c b/src/cmd/auth/factotum/wep.c
new file mode 100644
index 00000000..1d516db2
--- /dev/null
+++ b/src/cmd/auth/factotum/wep.c
@@ -0,0 +1,83 @@
+/*
+ * Copy WEP key to ethernet device.
+ */
+
+#include "std.h"
+#include "dat.h"
+
+static int
+wepclient(Conv *c)
+{
+	char *dev, buf[128], *p, *kp;
+	Key *k;
+	int ret, fd, cfd;
+	
+	fd = cfd = -1;
+	ret = -1;
+	dev = nil;
+	
+	if((k = keylookup("%A !key1?", c->attr)) == nil
+	&& (k = keylookup("%A !key2?", c->attr)) == nil
+	&& (k = keylookup("%A !key3?", c->attr)) == nil){
+		werrstr("cannot find wep keys");
+		goto out;
+	}
+	if(convreadm(c, &dev) < 0)
+		return -1;
+	if(dev[0] != '#' || dev[1] != 'l'){
+		werrstr("not an ethernet device: %s", dev);
+		goto out;
+	}
+	snprint(buf, sizeof buf, "%s!0", dev);
+	if((fd = dial(buf, 0, 0, &cfd)) < 0)
+		goto out;
+	if(!(p = strfindattr(k->privattr, kp="!key1"))
+	&& !(p = strfindattr(k->privattr, kp="key2"))
+	&& !(p = strfindattr(k->privattr, kp="key3"))){
+		werrstr("lost key");
+		goto out;
+	}
+	if(fprint(cfd, "%s %q", kp+1, p) < 0)
+		goto out;
+	if((p = strfindattr(k->attr, "essid")) != nil
+	&& fprint(cfd, "essid %q", p) < 0)
+		goto out;
+	if(fprint(cfd, "crypt on") < 0)
+		goto out;
+	ret = 0;
+
+out:
+	free(dev);
+	if(cfd >= 0)
+		close(cfd);
+	if(fd >= 0)
+		close(fd);
+	keyclose(k);
+	return ret;
+}
+
+static int
+wepcheck(Key *k)
+{
+	if(strfindattr(k->privattr, "!key1") == nil
+	&& strfindattr(k->privattr, "!key2") == nil
+	&& strfindattr(k->privattr, "!key3") == nil){
+		werrstr("need !key1, !key2, or !key3 attribute");
+		return -1;
+	}
+	return 0;
+}
+
+static Role weproles[] = {
+	"client",	wepclient,
+	0
+};
+
+Proto wep = 
+{
+	"wep",
+	weproles,
+	nil,
+	wepcheck,
+	nil
+};