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Diffstat (limited to 'sbin/iscontrol/iscontrol.h')
| -rw-r--r-- | sbin/iscontrol/iscontrol.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/sbin/iscontrol/iscontrol.h b/sbin/iscontrol/iscontrol.h new file mode 100644 index 0000000..c93c35a --- /dev/null +++ b/sbin/iscontrol/iscontrol.h @@ -0,0 +1,159 @@ +/*- + * Copyright (c) 2005 Daniel Braniss <danny@cs.huji.ac.il> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ +/* + | $Id: iscontrol.h,v 2.3 2007/04/27 08:36:49 danny Exp danny $ + */ +#ifdef DEBUG +int vflag; + +# define debug(level, fmt, args...) do {if (level <= vflag) printf("%s: " fmt "\n", __func__ , ##args);} while(0) +# define debug_called(level) do {if (level <= vflag) printf("%s: called\n", __func__);} while(0) +#else +# define debug(level, fmt, args...) +# define debug_called(level) +#endif // DEBUG +#define xdebug(fmt, args...) printf("%s: " fmt "\n", __func__ , ##args) + +#define BIT(n) (1 <<(n)) + +#define MAXREDIRECTS 2 + +typedef int auth_t(void *sess); + +typedef struct isess { + int flags; +#define SESS_CONNECTED BIT(0) +#define SESS_DISCONNECT BIT(1) +#define SESS_LOGGEDIN BIT(2) +#define SESS_RECONNECT BIT(3) +#define SESS_REDIRECT BIT(4) + +#define SESS_NEGODONE BIT(10) // XXX: kludge + +#define SESS_FULLFEATURE BIT(29) +#define SESS_INITIALLOGIN1 BIT(30) +#define SESS_INITIALLOGIN BIT(31) + + + isc_opt_t *op; // operational values + int fd; // the session fd + int soc; // the socket + iscsi_cam_t cam; + struct cam_device *camdev; + + time_t open_time; + int redirect_cnt; + time_t redirect_time; + int reconnect_cnt; + int reconnect_cnt1; + time_t reconnect_time; + char isid[6+1]; + int csg; // current stage + int nsg; // next stage + // Phases/Stages +#define SN_PHASE 0 // Security Negotiation +#define LON_PHASE 1 // Login Operational Negotiation +#define FF_PHASE 3 // FuLL-Feature + uint tsih; + sn_t sn; +} isess_t; + +typedef struct token { + char *name; + int val; +} token_t; + +typedef enum { + NONE = 0, + KRB5, + SPKM1, + SPKM2, + SRP, + CHAP +} authm_t; + +extern token_t AuthMethods[]; +extern token_t DigestMethods[]; + +typedef enum { + SET, + GET +} oper_t; + +typedef enum { + U_PR, // private + U_IO, // Initialize Only -- during login + U_LO, // Leading Only -- when TSIH is zero + U_FFPO, // Full Feature Phase Only + U_ALL // in any phase +} usage_t; + +typedef enum { + S_PR, + S_CO, // Connect only + S_SW // Session Wide +} scope_t; + +typedef void keyfun_t(isess_t *, oper_t); + +typedef struct { + usage_t usage; + scope_t scope; + char *name; + int tokenID; +} textkey_t; + +typedef int handler_t(isess_t *sess, pdu_t *pp); + +int authenticateLogin(isess_t *sess); +int fsm(isc_opt_t *op); +int sendPDU(isess_t *sess, pdu_t *pp, handler_t *hdlr); +int addText(pdu_t *pp, char *fmt, ...); +void freePDU(pdu_t *pp); +int xmitpdu(isess_t *sess, pdu_t *pp); +int recvpdu(isess_t *sess, pdu_t *pp); +void pukeText(char *it, pdu_t *pp); + +int lookup(token_t *tbl, char *m); + +int vflag; +char *iscsidev; + +void parseArgs(int nargs, char **args, isc_opt_t *op); +void parseConfig(FILE *fd, char *key, isc_opt_t *op); + +char *chapDigest(char *ap, char id, char *cp, char *chapSecret); +char *genChapChallenge(char *encoding, int len); + +int str2bin(char *str, char **rsp); +char *bin2str(char *fmt, unsigned char *md, int blen); + +int negotiateOPV(isess_t *sess); +int setOptions(isess_t *sess, int flag); + +int loginPhase(isess_t *sess); |
