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/*
* SCCS: @(#)tcxconf.c 1.3 (96/11/04)
*
* UniSoft Ltd., London, England
*
* (C) Copyright 1996 X/Open Company Limited
*
* All rights reserved. No part of this source code may be reproduced,
* stored in a retrieval system, or transmitted, in any form or by any
* means, electronic, mechanical, photocopying, recording or otherwise,
* except as stated in the end-user licence agreement, without the prior
* permission of the copyright owners.
* A copy of the end-user licence agreement is contained in the file
* Licence which accompanies this distribution.
*
* X/Open and the 'X' symbol are trademarks of X/Open Company Limited in
* the UK and other countries.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/************************************************************************
SCCS: @(#)tcxconf.c 1.3 (96/11/04) TETware release 3.3
NAME: tcxconf.c
PRODUCT: TETware
AUTHOR: Andrew Dingwall, UniSoft Ltd.
DATE CREATED: August 1996
DESCRIPTION:
perform a configuration variable exchange with a TCCD
MODIFICATIONS:
Aaron Plattner, April 2010
Fixed warnings when compiled with GCC's -Wall option.
************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include "dtmac.h"
#include "dtmsg.h"
#include "error.h"
#include "ltoa.h"
#include "servlib.h"
#include "dtetlib.h"
#include "tet3_config.h"
/* scratchpad variable lists */
static struct cflist scfg, tcfg;
/* static function declarations */
static int mconfig PROTOLIST((int, struct cflist *, struct cflist *));
static int xconfig PROTOLIST((int, struct cflist *, struct cflist *));
/*
** tet_tcxconfig() - perform a config variable exchange
** with a remote system
**
** sysid specifies which system to use
** fname specifies the remote config file name
** mlp points to the master config list
** vlp points to the tcc command-line config list (-v options)
** rlp points to the config list where the lines received from
** the remote system should be stored
**
** return 0 if successful or -1 on error
*/
int tet_tcxconfig(sysid, fname, mlp, vlp, rlp)
int sysid;
char *fname;
struct cflist *mlp, *vlp, *rlp;
{
struct cflist *slp;
register int rc;
register char **cp;
/* send the config file name to TCCD */
if (tet_tccfname(sysid, fname) < 0) {
error(0, "tet_tccfname failed, rc =",
tet_ptrepcode(tet_tcerrno));
return(-1);
}
/*
** if there are command-line variables, merge them with the
** master set;
** otherwise, just use the master config variables
*/
if (vlp->cf_nconf > 0) {
rc = mconfig(sysid, mlp, vlp);
slp = &scfg;
}
else {
rc = 0;
slp = mlp;
}
/* then perform the config variable exchange */
if (!rc)
rc = xconfig(sysid, slp, rlp);
else
tet_tcerrno = ER_ERR;
/* free any memory allocated by mconfig() */
if (tcfg.cf_conf) {
for (cp = tcfg.cf_conf; cp < tcfg.cf_conf + tcfg.cf_nconf; cp++)
if (*cp) {
TRACE2(tet_Tbuf, 6, "free tmp conf line = %s",
tet_i2x(*cp));
free(*cp);
}
TRACE2(tet_Tbuf, 6, "free tcfg.cf_conf = %s",
tet_i2x(tcfg.cf_conf));
free((char *) tcfg.cf_conf);
tcfg.cf_conf = (char **) 0;
tcfg.cf_lconf = tcfg.cf_nconf = 0;
}
if (scfg.cf_conf) {
TRACE2(tet_Tbuf, 6, "free scfg.cf_conf = %s",
tet_i2x(scfg.cf_conf));
free((char *) scfg.cf_conf);
scfg.cf_conf = (char **) 0;
scfg.cf_lconf = scfg.cf_nconf = 0;
}
return(rc);
}
/*
** mconfig() - merge the command-line variables with the master set
**
** return 0 if successful or -1 on error
*/
static int mconfig(sysid, mlp, vlp)
int sysid;
register struct cflist *mlp, *vlp;
{
static char fmt[] = "TET_REM%03d_%.*s";
char buf[MAXPATH * 2];
register char **cp1, **cp2;
register char *p;
/* allocate storage for the list of config lines to send */
scfg.cf_nconf = mlp->cf_nconf + vlp->cf_nconf;
if (BUFCHK((char **) &scfg.cf_conf, &scfg.cf_lconf, (int) (scfg.cf_nconf * sizeof *scfg.cf_conf)) < 0)
return(-1);
/* copy over the master config lines */
cp2 = scfg.cf_conf;
for (cp1 = mlp->cf_conf; cp1 < mlp->cf_conf + mlp->cf_nconf; cp1++)
*cp2++ = *cp1;
/*
** do two passes over the MTCC cmd line variables:
** in the first pass:
** if a variable is not a TET_REMnnn one, prepend
** a TET_REMnnn string so that it will override a
** local value on the remote system;
** a pointer to the new string is stored in a temporary
** list (tconf) so that it can be freed later
** in the second pass:
** add the TET_REMnnn variables for this system last
** of all, giving them precedence over all the others
*/
/* first pass */
for (cp1 = vlp->cf_conf; cp1 < vlp->cf_conf + vlp->cf_nconf; cp1++) {
if (tet_remvar(*cp1, -1) != *cp1)
continue;
(void) sprintf(buf, fmt, sysid % 1000,
sizeof buf - sizeof fmt, *cp1);
if (BUFCHK((char **) &tcfg.cf_conf, &tcfg.cf_lconf, (int) ((tcfg.cf_nconf + 1) * sizeof *tcfg.cf_conf)) < 0)
return(-1);
if ((p = tet_strstore(buf)) == (char *) 0)
return(-1);
*(tcfg.cf_conf + tcfg.cf_nconf++) = p;
if (cp2 < scfg.cf_conf + scfg.cf_nconf)
*cp2++ = p;
}
/* second pass */
for (cp1 = vlp->cf_conf; cp1 < vlp->cf_conf + vlp->cf_nconf; cp1++) {
if (tet_remvar(*cp1, sysid) == *cp1)
continue;
if (cp2 < scfg.cf_conf + scfg.cf_nconf)
*cp2++ = *cp1;
}
scfg.cf_nconf = cp2 - scfg.cf_conf;
return(0);
}
/*
** xconfig() - perform the actual configuration variable exchange
**
** return 0 if successful or -1 on error
*/
static int xconfig(sysid, slp, rlp)
int sysid;
struct cflist *slp, *rlp;
{
int nlines, done;
register int n;
register char **cp1, **cp2;
/* send the config lines */
if (tet_tcsndconfv(sysid, slp->cf_conf, slp->cf_nconf) < 0) {
error(0, "tet_tcsndconfv failed, rc =",
tet_ptrepcode(tet_tcerrno));
return(-1);
}
/* receive the merged ones back */
do {
if ((cp1 = tet_tcrcvconfv(sysid, &nlines, &done)) == (char **) 0) {
error(0, "tet_tcrcvconfv failed, rc =",
tet_ptrepcode(tet_tcerrno));
return(-1);
}
if (nlines <= 0)
continue;
if (BUFCHK((char **) &rlp->cf_conf, &rlp->cf_lconf, (int) ((rlp->cf_nconf + nlines) * sizeof *rlp->cf_conf)) < 0) {
tet_tcerrno = ER_ERR;
return(-1);
}
cp2 = rlp->cf_conf + rlp->cf_nconf;
for (n = 0; n < nlines; n++)
if (*cp1 && (*cp2++ = tet_strstore(*cp1)) == (char *) 0) {
tet_tcerrno = ER_ERR;
return(-1);
}
else
cp1++;
rlp->cf_nconf = cp2 - rlp->cf_conf;
} while (!done);
/* all OK so return success */
return(0);
}
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