/*
* 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
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1997, by Sun Microsystems, Inc.
* All rights reserved.
*/
/*LINTLIBRARY*/
#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2 */
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <grp.h>
#include <sys/types.h>
#include "libadm.h"
#include <stdlib.h>
#include <limits.h>
#define PROMPT "Enter the name of an existing group"
#define MESG "Please enter the name of an existing group."
#define ALTMESG "Please enter one of the following group names:\\n\\t"
#define MALSIZ 64
#define DELIM1 '/'
#define BLANK ' '
static char *
setmsg(int disp)
{
struct group
*grpptr;
int count;
size_t n, m;
char *msg;
if (disp == 0)
return (MESG);
m = MALSIZ;
n = sizeof (ALTMESG);
msg = calloc(m, sizeof (char));
(void) strcpy(msg, ALTMESG);
setgrent();
count = 0;
while ((grpptr = getgrent()) != NULL) {
n += strlen(grpptr->gr_name) + 2;
while (n >= m) {
m += MALSIZ;
msg = realloc(msg, m*sizeof (char));
}
if (count++)
(void) strcat(msg, ", ");
(void) strcat(msg, grpptr->gr_name);
}
endgrent();
return (msg);
}
int
ckgid_dsp(void)
{
struct group *grpptr;
/* if display flag is set, then list out group file */
if (ckgrpfile() == 1)
return (1);
setgrent();
while (grpptr = getgrent())
(void) printf("%s\n", grpptr->gr_name);
endgrent();
return (0);
}
int
ckgid_val(char *grpnm)
{
int valid;
setgrent();
valid = (getgrnam(grpnm) ? 0 : 1);
endgrent();
return (valid);
}
int
ckgrpfile(void) /* check to see if group file there */
{
struct group *grpptr;
setgrent();
grpptr = getgrent();
if (!grpptr) {
endgrent();
return (1);
}
endgrent();
return (0);
}
void
ckgid_err(int disp, char *error)
{
char *msg;
msg = setmsg(disp);
puterror(stdout, msg, error);
if (disp)
free(msg);
}
void
ckgid_hlp(int disp, char *help)
{
char *msg;
msg = setmsg(disp);
puthelp(stdout, msg, help);
if (disp)
free(msg);
}
int
ckgid(char *gid, short disp, char *defstr, char *error, char *help,
char *prompt)
{
char *defmesg,
input[MAX_INPUT];
defmesg = NULL;
if (!prompt)
prompt = PROMPT;
start:
putprmpt(stderr, prompt, NULL, defstr);
if (getinput(input)) {
if (disp && defmesg)
free(defmesg);
return (1);
}
if (!strlen(input)) {
if (defstr) {
if (disp && defmesg)
free(defmesg);
(void) strcpy(gid, defstr);
return (0);
}
if (!defmesg)
defmesg = setmsg(disp);
puterror(stderr, defmesg, error);
goto start;
} else if (strcmp(input, "?") == 0) {
if (!defmesg)
defmesg = setmsg(disp);
puthelp(stderr, defmesg, help);
goto start;
} else if (ckquit && (strcmp(input, "q") == 0)) {
if (disp && defmesg)
free(defmesg);
return (3);
} else if (ckgid_val(input)) {
if (!defmesg)
defmesg = setmsg(disp);
puterror(stderr, defmesg, error);
goto start;
}
(void) strcpy(gid, input);
if (disp && defmesg)
free(defmesg);
return (0);
}