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#include "ssh.h"
static AuthInfo*
authsrvtisfn(Conn *conn, Msg *m)
{
char *s;
AuthInfo *ai;
Chalstate *c;
free(m);
if((c = auth_challenge("proto=p9cr user=%q role=server", conn->user)) == nil){
sshlog("auth_challenge failed for %s", conn->user);
return nil;
}
s = smprint("Challenge: %s\nResponse: ", c->chal);
if(s == nil){
auth_freechal(c);
return nil;
}
m = allocmsg(conn, SSH_SMSG_AUTH_TIS_CHALLENGE, 4+strlen(s));
putstring(m, s);
sendmsg(m);
free(s);
m = recvmsg(conn, 0);
if(m == nil){
auth_freechal(c);
return nil;
}
if(m->type != SSH_CMSG_AUTH_TIS_RESPONSE){
/*
* apparently you can just give up on
* this protocol and start a new one.
*/
unrecvmsg(conn, m);
return nil;
}
c->resp = getstring(m);
c->nresp = strlen(c->resp);
ai = auth_response(c);
auth_freechal(c);
return ai;
}
Authsrv authsrvtis =
{
SSH_AUTH_TIS,
"tis",
SSH_CMSG_AUTH_TIS,
authsrvtisfn,
};
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