Subversion Repositories planix.SVN

#include "ssh.h"

static int
authtisfn(Conn *c)
{
        int fd, n;
        char *chal, resp[256];
        Msg *m;

        if(!c->interactive)
                return -1;

        debug(DBG_AUTH, "try TIS\n");
        sendmsg(allocmsg(c, SSH_CMSG_AUTH_TIS, 0));

        m = recvmsg(c, -1);
        switch(m->type){
        default:
                badmsg(m, SSH_SMSG_AUTH_TIS_CHALLENGE);
        case SSH_SMSG_FAILURE:
                free(m);
                return -1;
        case SSH_SMSG_AUTH_TIS_CHALLENGE:
                break;
        }

        chal = getstring(m);
        free(m);

        if((fd = open("/dev/cons", ORDWR)) < 0)
                error("can't open console");

        fprint(fd, "TIS Authentication\n%s", chal);
        n = read(fd, resp, sizeof resp-1);
        if(n < 0)
                resp[0] = '\0';
        else
                resp[n] = '\0';

        if(resp[0] == 0 || resp[0] == '\n')
                return -1;

        m = allocmsg(c, SSH_CMSG_AUTH_TIS_RESPONSE, 4+strlen(resp));
        putstring(m, resp);
        sendmsg(m);
        
        m = recvmsg(c, -1);
        switch(m->type){
        default:
                badmsg(m, 0);
        case SSH_SMSG_SUCCESS:
                free(m);
                return 0;
        case SSH_SMSG_FAILURE:
                free(m);
                return -1;
        }
}

Auth authtis =
{
        SSH_AUTH_TIS,
        "tis",
        authtisfn,
};