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add ssh-agent via factotum

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This commit is contained in:
rsc 2005-02-13 18:04:00 +00:00
parent ea77b9ce7c
commit ce94dbe662
9 changed files with 1267 additions and 59 deletions
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35
src/cmd/auth/factotum/rpc.c
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@ -40,6 +40,8 @@ char *rpcname[] =
"read",
"start",
"write",
"readhex",
"writehex",
};
static int
@ -153,7 +155,20 @@ rpcexec(Conv *c)
{
uchar *p;
c->rpc.hex = 0;
switch(c->rpc.op){
case RpcWriteHex:
c->rpc.op = RpcWrite;
if(dec16(c->rpc.data, c->rpc.count, c->rpc.data, c->rpc.count) != c->rpc.count/2){
rpcrespond(c, "bad hex");
break;
}
c->rpc.count /= 2;
goto Default;
case RpcReadHex:
c->rpc.hex = 1;
c->rpc.op = RpcRead;
/* fall through */
case RpcRead:
if(c->rpc.count > 0){
rpcrespond(c, "error read takes no parameters");
@ -161,6 +176,7 @@ rpcexec(Conv *c)
}
/* fall through */
default:
Default:
if(!c->active){
if(c->done)
rpcrespond(c, "done");
@ -224,11 +240,18 @@ void
rpcrespondn(Conv *c, char *verb, void *data, int count)
{
char *p;
int need, hex;
if(c->hangup)
return;
if(strlen(verb)+1+count > sizeof c->reply){
need = strlen(verb)+1+count;
hex = 0;
if(c->rpc.hex && strcmp(verb, "ok") == 0){
need += count;
hex = 1;
}
if(need > sizeof c->reply){
print("RPC response too large; caller %#lux", getcallerpc(&c));
return;
}
@ -236,8 +259,14 @@ rpcrespondn(Conv *c, char *verb, void *data, int count)
strcpy(c->reply, verb);
p = c->reply + strlen(c->reply);
*p++ = ' ';
memmove(p, data, count);
c->nreply = count + (p - c->reply);
if(hex){
enc16(p, 2*count, data, count);
p += 2*count;
}else{
memmove(p, data, count);
p += count;
}
c->nreply = p - c->reply;
(*c->kickreply)(c);
c->rpc.op = RpcUnknown;
}