2 * Copyright (c) 2005-2010 Daniel Braniss <danny@cs.huji.ac.il>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 | $Id: iscontrol.h,v 2.3 2007/04/27 08:36:49 danny Exp danny $
34 # define debug(level, fmt, args...) do {if (level <= vflag) printf("%s: " fmt "\n", __func__ , ##args);} while(0)
35 # define debug_called(level) do {if (level <= vflag) printf("%s: called\n", __func__);} while(0)
37 # define debug(level, fmt, args...)
38 # define debug_called(level)
40 #define xdebug(fmt, args...) printf("%s: " fmt "\n", __func__ , ##args)
42 #define BIT(n) (1 <<(n))
44 #define MAXREDIRECTS 2
46 typedef int auth_t(void *sess);
54 typedef struct isess {
56 #define SESS_CONNECTED BIT(0)
57 #define SESS_DISCONNECT BIT(1)
58 #define SESS_LOGGEDIN BIT(2)
59 #define SESS_RECONNECT BIT(3)
60 #define SESS_REDIRECT BIT(4)
62 #define SESS_NEGODONE BIT(10) // XXX: kludge
64 #define SESS_FULLFEATURE BIT(29)
65 #define SESS_INITIALLOGIN1 BIT(30)
66 #define SESS_INITIALLOGIN BIT(31)
69 isc_opt_t *op; // operational values
70 target_t target; // the Original target address
71 int fd; // the session fd
72 int soc; // the socket
74 struct cam_device *camdev;
81 time_t reconnect_time;
83 int csg; // current stage
84 int nsg; // next stage
86 #define SN_PHASE 0 // Security Negotiation
87 #define LON_PHASE 1 // Login Operational Negotiation
88 #define FF_PHASE 3 // FuLL-Feature
93 typedef struct token {
107 extern token_t AuthMethods[];
108 extern token_t DigestMethods[];
117 U_IO, // Initialize Only -- during login
118 U_LO, // Leading Only -- when TSIH is zero
119 U_FFPO, // Full Feature Phase Only
120 U_ALL // in any phase
125 S_CO, // Connect only
129 typedef void keyfun_t(isess_t *, oper_t);
138 typedef int handler_t(isess_t *sess, pdu_t *pp);
140 int authenticateLogin(isess_t *sess);
141 int fsm(isc_opt_t *op);
142 int sendPDU(isess_t *sess, pdu_t *pp, handler_t *hdlr);
143 int addText(pdu_t *pp, char *fmt, ...);
144 void freePDU(pdu_t *pp);
145 int xmitpdu(isess_t *sess, pdu_t *pp);
146 int recvpdu(isess_t *sess, pdu_t *pp);
148 int lookup(token_t *tbl, char *m);
153 void parseArgs(int nargs, char **args, isc_opt_t *op);
154 void parseConfig(FILE *fd, char *key, isc_opt_t *op);
156 char *chapDigest(char *ap, char id, char *cp, char *chapSecret);
157 char *genChapChallenge(char *encoding, uint len);
159 int str2bin(char *str, char **rsp);
160 char *bin2str(char *fmt, unsigned char *md, int blen);
162 int negotiateOPV(isess_t *sess);
163 int setOptions(isess_t *sess, int flag);
165 int loginPhase(isess_t *sess);