Subversion Repositories planix.SVN

#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,
};