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/*
* Copyright (C) 2005-2007 by CERN/IT/GD/SC
* All rights reserved
*/
#ifndef lint
static char sccsid[] = "@(#)$RCSfile: nsmodifygrpmap.c,v $ $Revision: 1.3 $ $Date: 2007/12/13 06:52:24 $ CERN IT-GD/SC Jean-Philippe Baud";
#endif /* not lint */
/* nsmodifygrpmap - modify group entry corresponding to a given gid */
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include "Cgetopt.h"
#include "Cns_api.h"
#include "serrno.h"
main(argc, argv)
int argc;
char **argv;
{
int c;
char *dp;
int errflg = 0;
gid_t gid = 0;
char *groupname = NULL;
static struct Coptions longopts[] = {
{"gid", REQUIRED_ARGUMENT, 0, OPT_IDMAP_GID},
{"group", REQUIRED_ARGUMENT, 0, OPT_IDMAP_GROUP},
{0, 0, 0, 0}
};
Copterr = 1;
Coptind = 1;
while ((c = Cgetopt_long (argc, argv, "", longopts, NULL)) != EOF) {
switch (c) {
case OPT_IDMAP_GID:
if ((gid = strtol (Coptarg, &dp, 10)) < 0 || *dp != '\0') {
fprintf (stderr, "invalid gid: %s\n", Coptarg);
errflg++;
}
break;
case OPT_IDMAP_GROUP:
if (strlen (Coptarg) > 255) {
fprintf (stderr,
"group name too long: %s\n", Coptarg);
errflg++;
} else
groupname = Coptarg;
break;
case '?':
errflg++;
break;
default:
break;
}
}
if (Coptind < argc || gid <= 0 || groupname == NULL)
errflg++;
if (errflg) {
fprintf (stderr, "usage: %s %s", argv[0],
"--gid gid --group groupname\n");
exit (USERR);
}
if (Cns_modifygrpmap (gid, groupname) < 0) {
if (serrno == EEXIST)
fprintf (stderr, "nsmodifygrpmap %s: %s\n", groupname,
"Group exists already");
else
fprintf (stderr, "nsmodifygrpmap %d: %s\n", gid,
(serrno == ENOENT) ? "No such group" : sstrerror(serrno));
exit (USERR);
}
exit (0);
}
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