c5933b2086
included man pages on how to use it. This code is still somewhat experimental but has been successfully tested on a number of targets. Many thanks to Danny for contributing this. Approved by: re
377 lines
10 KiB
C
377 lines
10 KiB
C
/*-
|
|
* Copyright (c) 2005-2007 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.
|
|
*
|
|
*/
|
|
/*
|
|
| $Id: config.c,v 2.1 2006/11/12 08:06:51 danny Exp danny $
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <time.h>
|
|
#include <ctype.h>
|
|
#include <camlib.h>
|
|
|
|
#include "iscsi.h"
|
|
#include "iscontrol.h"
|
|
|
|
/*
|
|
| ints
|
|
*/
|
|
#define OPT_port 1
|
|
#define OPT_tags 2
|
|
|
|
#define OPT_maxConnections 3
|
|
#define OPT_maxRecvDataSegmentLength 4
|
|
#define OPT_maxXmitDataSegmentLength 5
|
|
#define OPT_maxBurstLength 6
|
|
#define OPT_firstBurstLength 7
|
|
#define OPT_defaultTime2Wait 8
|
|
#define OPT_defaultTime2Retain 9
|
|
#define OPT_maxOutstandingR2T 10
|
|
#define OPT_errorRecoveryLevel 11
|
|
#define OPT_targetPortalGroupTag 12
|
|
#define OPT_headerDigest 13
|
|
#define OPT_dataDigest 14
|
|
/*
|
|
| Booleans
|
|
*/
|
|
#define OPT_initialR2T 16
|
|
#define OPT_immediateData 17
|
|
#define OPT_dataPDUInOrder 18
|
|
#define OPT_dataSequenceInOrder 19
|
|
/*
|
|
| strings
|
|
*/
|
|
#define OPT_sessionType 15
|
|
|
|
#define OPT_targetAddress 21
|
|
#define OPT_targetAlias 22
|
|
#define OPT_targetName 23
|
|
#define OPT_initiatorName 24
|
|
#define OPT_initiatorAlias 25
|
|
#define OPT_authMethod 26
|
|
|
|
#define OPT_chapSecret 27
|
|
#define OPT_chapIName 28
|
|
#define OPT_chapDigest 29
|
|
#define OPT_tgtChapName 30
|
|
#define OPT_tgtChapSecret 31
|
|
#define OPT_tgtChallengeLen 32
|
|
/*
|
|
| private
|
|
*/
|
|
#define OPT_maxluns 33
|
|
#define OPT_iqn 34
|
|
#define OPT_sockbufsize 35
|
|
|
|
#define _OFF(v) ((int)&((isc_opt_t *)NULL)->v)
|
|
#define _E(u, s, v) {.usage=u, .scope=s, .name=#v, .tokenID=OPT_##v}
|
|
|
|
textkey_t keyMap[] = {
|
|
_E(U_PR, S_PR, port),
|
|
_E(U_PR, S_PR, tags),
|
|
_E(U_PR, S_PR, maxluns),
|
|
_E(U_PR, S_PR, sockbufsize),
|
|
|
|
_E(U_PR, S_PR, iqn),
|
|
_E(U_PR, S_PR, chapSecret),
|
|
_E(U_PR, S_PR, chapIName),
|
|
_E(U_PR, S_PR, chapDigest),
|
|
_E(U_PR, S_PR, tgtChapName),
|
|
_E(U_PR, S_PR, tgtChapSecret),
|
|
_E(U_PR, S_PR, tgtChallengeLen),
|
|
|
|
_E(U_IO, S_CO, headerDigest),
|
|
_E(U_IO, S_CO, dataDigest),
|
|
|
|
_E(U_IO, S_CO, authMethod),
|
|
|
|
_E(U_LO, S_SW, maxConnections),
|
|
_E(U_IO, S_SW, targetName),
|
|
|
|
_E(U_IO, S_SW, initiatorName),
|
|
_E(U_ALL,S_SW, targetAlias),
|
|
_E(U_ALL,S_SW, initiatorAlias),
|
|
_E(U_ALL,S_SW, targetAddress),
|
|
|
|
_E(U_ALL,S_SW, targetPortalGroupTag),
|
|
|
|
_E(U_LO, S_SW, initialR2T),
|
|
_E(U_LO, S_SW, immediateData),
|
|
|
|
_E(U_ALL,S_CO, maxRecvDataSegmentLength),
|
|
_E(U_ALL,S_CO, maxXmitDataSegmentLength),
|
|
|
|
_E(U_LO, S_SW, maxBurstLength),
|
|
_E(U_LO, S_SW, firstBurstLength),
|
|
_E(U_LO, S_SW, defaultTime2Wait),
|
|
_E(U_LO, S_SW, defaultTime2Retain),
|
|
|
|
_E(U_LO, S_SW, maxOutstandingR2T),
|
|
_E(U_LO, S_SW, dataPDUInOrder),
|
|
_E(U_LO, S_SW, dataSequenceInOrder),
|
|
|
|
_E(U_LO, S_SW, errorRecoveryLevel),
|
|
|
|
_E(U_LO, S_SW, sessionType),
|
|
|
|
{0}
|
|
};
|
|
|
|
#define _OPT_INT(w) strtol((char *)w, NULL, 0)
|
|
#define _OPT_STR(w) (char *)(w)
|
|
|
|
static __inline int
|
|
_OPT_BOOL(char *w)
|
|
{
|
|
if(isalpha(*w))
|
|
return strcasecmp(w, "TRUE") == 0;
|
|
else
|
|
return _OPT_INT(w);
|
|
}
|
|
|
|
#define _CASE(k, v) case OPT_##k: op->k = v; break
|
|
static void
|
|
setOption(isc_opt_t *op, int which, void *rval)
|
|
{
|
|
switch(which) {
|
|
_CASE(port, _OPT_INT(rval));
|
|
_CASE(tags, _OPT_INT(rval));
|
|
_CASE(maxluns, _OPT_INT(rval));
|
|
_CASE(iqn, _OPT_STR(rval));
|
|
_CASE(sockbufsize, _OPT_INT(rval));
|
|
|
|
_CASE(maxConnections, _OPT_INT(rval));
|
|
_CASE(maxRecvDataSegmentLength, _OPT_INT(rval));
|
|
_CASE(maxXmitDataSegmentLength, _OPT_INT(rval));
|
|
_CASE(maxBurstLength, _OPT_INT(rval));
|
|
_CASE(firstBurstLength, _OPT_INT(rval));
|
|
_CASE(defaultTime2Wait, _OPT_INT(rval));
|
|
_CASE(defaultTime2Retain, _OPT_INT(rval));
|
|
_CASE(maxOutstandingR2T, _OPT_INT(rval));
|
|
_CASE(errorRecoveryLevel, _OPT_INT(rval));
|
|
_CASE(targetPortalGroupTag, _OPT_INT(rval));
|
|
_CASE(headerDigest, _OPT_STR(rval));
|
|
_CASE(dataDigest, _OPT_STR(rval));
|
|
|
|
_CASE(targetAddress, _OPT_STR(rval));
|
|
_CASE(targetAlias, _OPT_STR(rval));
|
|
_CASE(targetName, _OPT_STR(rval));
|
|
_CASE(initiatorName, _OPT_STR(rval));
|
|
_CASE(initiatorAlias, _OPT_STR(rval));
|
|
_CASE(authMethod, _OPT_STR(rval));
|
|
_CASE(chapSecret, _OPT_STR(rval));
|
|
_CASE(chapIName, _OPT_STR(rval));
|
|
_CASE(chapDigest, _OPT_STR(rval));
|
|
|
|
_CASE(tgtChapName, _OPT_STR(rval));
|
|
_CASE(tgtChapSecret, _OPT_STR(rval));
|
|
|
|
_CASE(initialR2T, _OPT_BOOL(rval));
|
|
_CASE(immediateData, _OPT_BOOL(rval));
|
|
_CASE(dataPDUInOrder, _OPT_BOOL(rval));
|
|
_CASE(dataSequenceInOrder, _OPT_BOOL(rval));
|
|
}
|
|
}
|
|
|
|
static char *
|
|
getline(FILE *fd)
|
|
{
|
|
static char *sp, line[BUFSIZ];
|
|
char *lp, *p;
|
|
|
|
do {
|
|
if(sp == NULL)
|
|
sp = fgets(line, sizeof line, fd);
|
|
|
|
if((lp = sp) == NULL)
|
|
break;
|
|
if((p = strchr(lp, '\n')) != NULL)
|
|
*p = 0;
|
|
if((p = strchr(lp, '#')) != NULL)
|
|
*p = 0;
|
|
if((p = strchr(lp, ';')) != NULL) {
|
|
*p++ = 0;
|
|
sp = p;
|
|
} else
|
|
sp = NULL;
|
|
if(*lp)
|
|
return lp;
|
|
} while (feof(fd) == 0);
|
|
return NULL;
|
|
}
|
|
|
|
static int
|
|
getConfig(FILE *fd, char *key, char **Ar, int *nargs)
|
|
{
|
|
char *lp, *p, **ar;
|
|
int state, len, n;
|
|
|
|
ar = Ar;
|
|
if(key)
|
|
len = strlen(key);
|
|
else
|
|
len = 0;
|
|
state = 0;
|
|
while((lp = getline(fd)) != NULL) {
|
|
for(; isspace(*lp); lp++)
|
|
;
|
|
switch(state) {
|
|
case 0:
|
|
if((p = strchr(lp, '{')) != NULL) {
|
|
n = 0;
|
|
while((--p > lp) && *p && isspace(*p));
|
|
n = p - lp;
|
|
if(len && strncmp(lp, key, MAX(n, len)) == 0)
|
|
state = 2;
|
|
else
|
|
state = 1;
|
|
continue;
|
|
}
|
|
break;
|
|
|
|
case 1:
|
|
if(*lp == '}')
|
|
state = 0;
|
|
continue;
|
|
|
|
case 2:
|
|
if(*lp == '}')
|
|
goto done;
|
|
|
|
break;
|
|
}
|
|
|
|
|
|
for(p = &lp[strlen(lp)-1]; isspace(*p); p--)
|
|
*p = 0;
|
|
if((*nargs)-- > 0)
|
|
*ar++ = strdup(lp);
|
|
}
|
|
|
|
done:
|
|
if(*nargs > 0)
|
|
*ar = 0;
|
|
*nargs = ar - Ar;
|
|
return ar - Ar;
|
|
}
|
|
|
|
static textkey_t *
|
|
keyLookup(char *key)
|
|
{
|
|
textkey_t *tk;
|
|
|
|
for(tk = keyMap; tk->name; tk++) {
|
|
if(strcasecmp(key, tk->name) == 0)
|
|
return tk;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
puke(isc_opt_t *op)
|
|
{
|
|
printf("%24s = %d\n", "port", op->port);
|
|
printf("%24s = %d\n", "tags", op->tags);
|
|
printf("%24s = %d\n", "maxluns", op->maxluns);
|
|
printf("%24s = %s\n", "iqn", op->iqn);
|
|
|
|
printf("%24s = %d\n", "maxConnections", op->maxConnections);
|
|
printf("%24s = %d\n", "maxRecvDataSegmentLength", op->maxRecvDataSegmentLength);
|
|
printf("%24s = %d\n", "maxXmitDataSegmentLength", op->maxRecvDataSegmentLength);
|
|
printf("%24s = %d\n", "maxBurstLength", op->maxBurstLength);
|
|
printf("%24s = %d\n", "firstBurstLength", op->firstBurstLength);
|
|
printf("%24s = %d\n", "defaultTime2Wait", op->defaultTime2Wait);
|
|
printf("%24s = %d\n", "defaultTime2Retain", op->defaultTime2Retain);
|
|
printf("%24s = %d\n", "maxOutstandingR2T", op->maxOutstandingR2T);
|
|
printf("%24s = %d\n", "errorRecoveryLevel", op->errorRecoveryLevel);
|
|
printf("%24s = %d\n", "targetPortalGroupTag", op->targetPortalGroupTag);
|
|
|
|
printf("%24s = %s\n", "headerDigest", op->headerDigest);
|
|
printf("%24s = %s\n", "dataDigest", op->dataDigest);
|
|
|
|
printf("%24s = %d\n", "initialR2T", op->initialR2T);
|
|
printf("%24s = %d\n", "immediateData", op->immediateData);
|
|
printf("%24s = %d\n", "dataPDUInOrder", op->dataPDUInOrder);
|
|
printf("%24s = %d\n", "dataSequenceInOrder", op->dataSequenceInOrder);
|
|
|
|
printf("%24s = %s\n", "sessionType", op->sessionType);
|
|
printf("%24s = %s\n", "targetAddress", op->targetAddress);
|
|
printf("%24s = %s\n", "targetAlias", op->targetAlias);
|
|
printf("%24s = %s\n", "targetName", op->targetName);
|
|
printf("%24s = %s\n", "initiatorName", op->initiatorName);
|
|
printf("%24s = %s\n", "initiatorAlias", op->initiatorAlias);
|
|
printf("%24s = %s\n", "authMethod", op->authMethod);
|
|
printf("%24s = %s\n", "chapSecret", op->chapSecret);
|
|
printf("%24s = %s\n", "chapIName", op->chapIName);
|
|
printf("%24s = %s\n", "tgtChapName", op->tgtChapName);
|
|
printf("%24s = %s\n", "tgtChapSecret", op->tgtChapSecret);
|
|
printf("%24s = %d\n", "tgttgtChallengeLen", op->tgtChallengeLen);
|
|
}
|
|
|
|
void
|
|
parseArgs(int nargs, char **args, isc_opt_t *op)
|
|
{
|
|
char **ar;
|
|
char *p, *v;
|
|
textkey_t *tk;
|
|
|
|
for(ar = args; nargs > 0; nargs--, ar++) {
|
|
p = strchr(*ar, '=');
|
|
if(p == NULL)
|
|
continue;
|
|
*p = 0;
|
|
v = p + 1;
|
|
while(isspace(*--p))
|
|
*p = 0;
|
|
while(isspace(*v))
|
|
v++;
|
|
if((tk = keyLookup(*ar)) == NULL)
|
|
continue;
|
|
setOption(op, tk->tokenID, v);
|
|
}
|
|
}
|
|
|
|
void
|
|
parseConfig(FILE *fd, char *key, isc_opt_t *op)
|
|
{
|
|
char *Ar[256];
|
|
int cc;
|
|
|
|
cc = 256;
|
|
if(getConfig(fd, key, Ar, &cc))
|
|
parseArgs(cc, Ar, op);
|
|
if(vflag)
|
|
puke(op);
|
|
}
|