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freebsd-dev/sbin/iscontrol/config.c
Pedro F. Giffuni 1de7b4b805 various: general adoption of SPDX licensing ID tags. 
Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

No functional change intended.
2017-11-27 15:37:16 +00:00

383 lines
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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2005-2009 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 <dev/iscsi_initiator/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
/*
| sentinel
*/
#define OPT_end 0
#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),
_E(0, 0, end)
};
#define _OPT_INT(w) strtol((char *)w, NULL, 0)
#define _OPT_STR(w) (char *)(w)
static __inline int
_OPT_BOOL(char *w)
{
if(isalpha((unsigned char)*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 *
get_line(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 = get_line(fd)) != NULL) {
for(; isspace((unsigned char)*lp); lp++)
;
switch(state) {
case 0:
if((p = strchr(lp, '{')) != NULL) {
while((--p > lp) && *p && isspace((unsigned char)*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((unsigned char)*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 && strcmp(tk->name, "end"); 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((unsigned char)*--p))
*p = 0;
while(isspace((unsigned char)*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);
}
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