nisauthconf.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* nisauthconf.c
*
* Configure NIS+ to use RPCSEC_GSS
*
* Copyright (c) 1997,1998 Sun Microsystems, Inc.
* All Rights Reserved.
*
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <libgen.h>
#include <rpcsvc/nis_dhext.h>
static struct mech_t {
char *mechname;
char *keylen;
char *algtype;
char *alias;
char *additional;
} mechs[] = {
"diffie_hellman_1024_0", "1024", "0", "dh1024-0", "default integrity",
"diffie_hellman_640_0", "640", "0", "dh640-0", "default integrity",
"-", "-", "-", "des", "# AUTH_DES",
NULL, NULL, NULL, NULL, NULL
};
static void
preamble(FILE *f)
{
(void) fprintf(f, "# DO NOT EDIT FILE, AUTOMATICALLY GENERATED\n");
(void) fprintf(f, "# \n");
(void) fprintf(f,
"# The format of this file may change or it may be removed\n");
(void) fprintf(f, "# in future versions of Solaris.\n# \n");
}
static void
printconf()
{
int i = 0;
mechanism_t **mechlist;
if (mechlist = __nis_get_mechanisms(FALSE)) {
while (mechlist[i]) {
(void) printf("%s", mechlist[i]->alias);
if (mechlist[++i])
(void) printf(", ");
else
(void) printf("\n");
}
} else
(void) printf("des\n");
exit(0);
}
#define DESMECH1 "-"
#define DESMECH2 "des"
#define DESMECH3 "192"
#define DESMECH4 0
#define HEADING1 "GSS Mechanism Name"
#define HEADING2 "Alias"
#define HEADING3 "Bit Size"
#define HEADING4 "Algorithm Type"
#define HEADFMT "%s%*c%s%*c%s%*c%s\n"
#define LINEFMT "%s%*c%s%*c%s%*c%d\n"
#define GENSPC(a, b) b, (a - strlen(b)) + 2, ' '
static void
listmechs()
{
int sc[3], i;
char tmpstr[1024];
mechanism_t **mechlist;
sc[0] = strlen(HEADING1);
sc[1] = strlen(HEADING2);
sc[2] = strlen(HEADING3);
if ((mechlist = __nis_get_mechanisms(FALSE)) == NULL) {
mechlist = (mechanism_t **) malloc(sizeof (mechanism_t *) * 2);
mechlist[0] = (mechanism_t *) malloc(sizeof (mechanism_t));
mechlist[1] = NULL;
mechlist[0]->mechname = NULL;
mechlist[0]->alias = "des";
mechlist[0]->keylen = 192;
mechlist[0]->algtype = 0;
}
for (i = 0; mechlist[i]; i++) {
int m1 = 0, m2 = 0;
if (mechlist[i]->mechname) m1 = strlen(mechlist[i]->mechname);
if (mechlist[i]->alias) m2 = strlen(mechlist[i]->alias);
sc[0] = sc[0] > m1 ? sc[0] : m1;
sc[1] = sc[1] > m2 ? sc[1] : m2;
(void) snprintf(tmpstr, 1024, "%d", mechlist[i]->keylen);
sc[2] = sc[2] > strlen(tmpstr) ? sc[2] : strlen(tmpstr);
}
(void) printf(HEADFMT, GENSPC(sc[0], HEADING1),
GENSPC(sc[1], HEADING2),
GENSPC(sc[2], HEADING3), HEADING4);
for (i = 0; mechlist[i]; i++) {
(void) snprintf(tmpstr, 1024, "%d", mechlist[i]->keylen);
(void) printf(LINEFMT, GENSPC(sc[0],
mechlist[i]->mechname ?
mechlist[i]->mechname : "-"),
GENSPC(sc[1], mechlist[i]->alias ?
mechlist[i]->alias : "-"),
GENSPC(sc[2], tmpstr),
mechlist[i]->algtype);
}
exit(0);
}
static void
usage(char *cmd)
{
(void) fprintf(stderr, "usage:\n\t%s [-v] [mechanism, ...]\n", cmd);
exit(1);
}
void
main(int argc, char **argv)
{
int c, i, dolistmechs = 0;
char *cmd = basename(argv[0]);
FILE *f;
while ((c = getopt(argc, argv, "v")) != -1) {
switch (c) {
case 'v':
dolistmechs++;
break;
default:
usage(cmd);
}
}
if (dolistmechs)
listmechs();
if (argc < 2)
printconf();
if (argc == 2 && (strcmp(argv[1], NIS_SEC_CF_DES_ALIAS) == 0)) {
(void) unlink(NIS_SEC_CF_PATHNAME);
exit(0);
}
if (!(f = fopen(NIS_SEC_CF_PATHNAME, "w"))) {
(void) fprintf(stderr,
"Could not open %s for writing.\n",
NIS_SEC_CF_PATHNAME);
exit(1);
}
preamble(f);
for (i = 1; i < argc; i++) {
int j = 0;
int gotit = 0;
while (mechs[j].alias) {
if (!(strcmp(argv[i], mechs[j].alias))) {
gotit++;
(void) fprintf(f, "mech\t%s\t%s\t%s\t%s\t%s\n",
mechs[j].mechname,
mechs[j].keylen,
mechs[j].algtype,
mechs[j].alias,
mechs[j].additional);
(void) fflush(f);
break;
}
j++;
}
if (!gotit) {
(void) fprintf(stderr,
"%s: Mechanism, %s, not found!\n", cmd,
argv[i]);
(void) fflush(f);
(void) fclose(f);
exit(1);
}
}
(void) fclose(f);
}