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#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,
};
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