b4cd5daf75
Mark the declaration extern as these are used elsewhere; this fixes the build with -fno-common. MFC after: 3 days
168 lines
4.5 KiB
C
168 lines
4.5 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2005-2010 Daniel Braniss <danny@cs.huji.ac.il>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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| $Id: iscontrol.h,v 2.3 2007/04/27 08:36:49 danny Exp danny $
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*/
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#ifdef DEBUG
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int vflag;
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# define debug(level, fmt, args...) do {if (level <= vflag) printf("%s: " fmt "\n", __func__ , ##args);} while(0)
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# define debug_called(level) do {if (level <= vflag) printf("%s: called\n", __func__);} while(0)
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#else
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# define debug(level, fmt, args...)
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# define debug_called(level)
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#endif // DEBUG
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#define xdebug(fmt, args...) printf("%s: " fmt "\n", __func__ , ##args)
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#define BIT(n) (1 <<(n))
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#define MAXREDIRECTS 2
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typedef int auth_t(void *sess);
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typedef struct {
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char *address;
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int port;
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int pgt;
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} target_t;
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typedef struct isess {
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int flags;
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#define SESS_CONNECTED BIT(0)
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#define SESS_DISCONNECT BIT(1)
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#define SESS_LOGGEDIN BIT(2)
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#define SESS_RECONNECT BIT(3)
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#define SESS_REDIRECT BIT(4)
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#define SESS_NEGODONE BIT(10) // XXX: kludge
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#define SESS_FULLFEATURE BIT(29)
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#define SESS_INITIALLOGIN1 BIT(30)
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#define SESS_INITIALLOGIN BIT(31)
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isc_opt_t *op; // operational values
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target_t target; // the Original target address
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int fd; // the session fd
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int soc; // the socket
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iscsi_cam_t cam;
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struct cam_device *camdev;
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time_t open_time;
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int redirect_cnt;
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time_t redirect_time;
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int reconnect_cnt;
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int reconnect_cnt1;
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time_t reconnect_time;
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char isid[6+1];
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int csg; // current stage
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int nsg; // next stage
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// Phases/Stages
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#define SN_PHASE 0 // Security Negotiation
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#define LON_PHASE 1 // Login Operational Negotiation
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#define FF_PHASE 3 // FuLL-Feature
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uint tsih;
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sn_t sn;
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} isess_t;
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typedef struct token {
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char *name;
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int val;
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} token_t;
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typedef enum {
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NONE = 0,
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KRB5,
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SPKM1,
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SPKM2,
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SRP,
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CHAP
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} authm_t;
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extern token_t AuthMethods[];
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extern token_t DigestMethods[];
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typedef enum {
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SET,
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GET
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} oper_t;
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typedef enum {
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U_PR, // private
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U_IO, // Initialize Only -- during login
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U_LO, // Leading Only -- when TSIH is zero
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U_FFPO, // Full Feature Phase Only
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U_ALL // in any phase
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} usage_t;
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typedef enum {
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S_PR,
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S_CO, // Connect only
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S_SW // Session Wide
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} scope_t;
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typedef void keyfun_t(isess_t *, oper_t);
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typedef struct {
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usage_t usage;
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scope_t scope;
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char *name;
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int tokenID;
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} textkey_t;
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typedef int handler_t(isess_t *sess, pdu_t *pp);
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int authenticateLogin(isess_t *sess);
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int fsm(isc_opt_t *op);
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int sendPDU(isess_t *sess, pdu_t *pp, handler_t *hdlr);
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int addText(pdu_t *pp, char *fmt, ...);
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void freePDU(pdu_t *pp);
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int xmitpdu(isess_t *sess, pdu_t *pp);
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int recvpdu(isess_t *sess, pdu_t *pp);
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int lookup(token_t *tbl, char *m);
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extern int vflag;
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extern char *iscsidev;
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void parseArgs(int nargs, char **args, isc_opt_t *op);
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void parseConfig(FILE *fd, char *key, isc_opt_t *op);
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char *chapDigest(char *ap, char id, char *cp, char *chapSecret);
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char *genChapChallenge(char *encoding, uint len);
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int str2bin(char *str, char **rsp);
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char *bin2str(char *fmt, unsigned char *md, int blen);
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int negotiateOPV(isess_t *sess);
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int setOptions(isess_t *sess, int flag);
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int loginPhase(isess_t *sess);
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