From fb7a39bc56092ecd2a52d8b6fc403eda6b905ba1 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Sun, 13 Feb 2005 18:32:56 +0000
Subject: add pass proto

---
 src/cmd/auth/factotum/pass.c | 107 ++++++++++---------------------------------
 1 file changed, 24 insertions(+), 83 deletions(-)

(limited to 'src/cmd/auth/factotum/pass.c')

diff --git a/src/cmd/auth/factotum/pass.c b/src/cmd/auth/factotum/pass.c
index b3d4cb6a..9c6c7341 100644
--- a/src/cmd/auth/factotum/pass.c
+++ b/src/cmd/auth/factotum/pass.c
@@ -2,99 +2,40 @@
  * This is just a repository for a password.
  * We don't want to encourage this, there's
  * no server side.
+ *
+ * Client:
+ *	start proto=pass ...
+ *	read password
  */
 
+#include "std.h"
 #include "dat.h"
 
-typedef struct State State;
-struct State 
-{
-	Key *key;
-};
-
-enum
-{
-	HavePass,
-	Maxphase,
-};
-
-static char *phasenames[Maxphase] =
-{
-[HavePass]	"HavePass",
-};
-
 static int
-passinit(Proto *p, Fsstate *fss)
+passproto(Conv *c)
 {
-	int ask;
 	Key *k;
-	State *s;
-
-	k = findkey(fss, Kuser, &ask, 0, fss->attr, "%s", p->keyprompt);
-	if(k == nil){
-		if(ask)
-			return RpcNeedkey;
-		return failure(fss, nil);
-	}
-	setattrs(fss->attr, k->attr);
-	s = emalloc(sizeof(*s));
-	s->key = k;
-	fss->ps = s;
-	return RpcOk;
-}
-
-static void
-passclose(Fsstate *fss)
-{
-	State *s;
-
-	s = fss->ps;
-	if(s->key)
-		closekey(s->key);
-	free(s);
-}
-
-static int
-passread(Fsstate *fss, void *va, uint *n)
-{
-	int m;
-	char buf[500];
-	char *pass, *user;
-	State *s;
-
-	s = fss->ps;
-	switch(fss->phase){
-	default:
-		return phaseerror(fss, "read");
-
-	case HavePass:
-		user = strfindattr(s->key->attr, "user");
-		pass = strfindattr(s->key->privattr, "!password");
-		if(user==nil || pass==nil)
-			return failure(fss, "passread cannot happen");
-		snprint(buf, sizeof buf, "%q %q", user, pass);
-		m = strlen(buf);
-		if(m > *n)
-			return toosmall(fss, m);
-		*n = m;
-		memmove(va, buf, m);
-		return RpcOk;
-	}
+	
+	k = keyfetch(c, "%A", c->attr);
+	if(k == nil)
+		return -1;
+	c->state = "write";
+	convprint(c, "%q %q", 
+		strfindattr(k->attr, "user"),
+		strfindattr(k->privattr, "!password"));
+	return 0;
 }
 
-static int
-passwrite(Fsstate *fss, void*, uint)
-{
-	return phaseerror(fss, "write");
-}
+static Role passroles[] = {
+	"client",	passproto,
+	0
+};
 
 Proto pass =
 {
-.name=		"pass",
-.init=		passinit,
-.write=		passwrite,
-.read=		passread,
-.close=		passclose,
-.addkey=		replacekey,
-.keyprompt=	"user? !password?",
+	"pass",
+	passroles,
+	"user? !password?",
+	nil,
+	nil,
 };
-- 
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