#include <assert.h>
#include <limits.h>
#include <signal.h>

#include "putty.h"
#include "tree234.h"
#include "ssh.h"
#ifndef NO_GSSAPI
#include "sshgss.h"
#endif

#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE 1
#endif

	        AUTH_TYPE_GSSAPI,
		AUTH_TYPE_KEYBOARD_INTERACTIVE,
		AUTH_TYPE_KEYBOARD_INTERACTIVE_QUIET
	} type;
	int done_service_req;
	int gotit, need_pw, can_pubkey, can_passwd, can_keyb_inter;
	int tried_pubkey_config, done_agent;
#ifndef NO_GSSAPI
	int can_gssapi;
	int tried_gssapi;
#endif
	int kbd_inter_refused;
	int we_are_in;
	prompts_t *cur_prompt;
	int num_prompts;
	char username[100];
	char *password;
	int got_username;

	char *pkblob, *alg, *commentp;
	int pklen, alglen, commentlen;
	int siglen, retlen, len;
	char *q, *agentreq, *ret;
	int try_send;
	int num_env, env_left, env_ok;
	struct Packet *pktout;
#ifndef NO_GSSAPI
	Ssh_gss_ctx gss_ctx;
	Ssh_gss_buf gss_buf;
	Ssh_gss_buf gss_rcvtok, gss_sndtok;
	Ssh_gss_name gss_srv_name;
	Ssh_gss_stat gss_stat;
#endif
    };
    crState(do_ssh2_authconn_state);

    crBegin(ssh->do_ssh2_authconn_crstate);

    s->done_service_req = FALSE;
    s->we_are_in = FALSE;
#ifndef NO_GSSAPI
    s->tried_gssapi = FALSE;
#endif

    if (!ssh->cfg.ssh_no_userauth) {
	/*
	 * Request userauth protocol, and await a response to it.
	 */
	s->pktout = ssh2_pkt_init(SSH2_MSG_SERVICE_REQUEST);
	ssh2_pkt_addstring(s->pktout, "ssh-userauth");