112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
|
/*-
|
||
|
* Copyright (c) 1996 by David L. Nugent <davidn@blaze.net.au>.
|
||
|
* 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 as
|
||
|
* the first lines of this file unmodified.
|
||
|
* 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.
|
||
|
* 3. All advertising materials mentioning features or use of this software
|
||
|
* must display the following acknowledgement:
|
||
|
* This product includes software developed by David L. Nugent.
|
||
|
* 4. The name of the author may not be used to endorse or promote products
|
||
|
* derived from this software without specific prior written permission.
|
||
|
*
|
||
|
* THIS SOFTWARE IS PROVIDED BY THE DAVID L. NUGENT ``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 DAVID L. NUGENT 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.
|
||
|
*
|
||
|
* $Id$
|
||
|
*/
|
||
|
|
||
|
#include <stdio.h>
|
||
|
#include <stdlib.h>
|
||
|
#include <string.h>
|
||
|
#include <unistd.h>
|
||
|
#include <stdarg.h>
|
||
|
#include <errno.h>
|
||
|
#include <sys/types.h>
|
||
|
#include <sys/stat.h>
|
||
|
|
||
|
#include "pwupd.h"
|
||
|
|
||
|
int
|
||
|
fmtgrentry(char *buf, struct group * grp, int type)
|
||
|
{
|
||
|
int i, l;
|
||
|
|
||
|
if (type == PWF_STANDARD)
|
||
|
l = sprintf(buf, "%s:*:%ld:", grp->gr_name, (long) grp->gr_gid);
|
||
|
else
|
||
|
l = sprintf(buf, "%s:%s:%ld:", grp->gr_name, grp->gr_passwd, (long) grp->gr_gid);
|
||
|
|
||
|
/*
|
||
|
* Now, list members
|
||
|
*/
|
||
|
for (i = 0; i < 200 && grp->gr_mem[i]; i++)
|
||
|
l += sprintf(buf + l, "%s%s", i ? "," : "", grp->gr_mem[i]);
|
||
|
buf[l++] = '\n';
|
||
|
buf[l] = '\0';
|
||
|
return l;
|
||
|
}
|
||
|
|
||
|
|
||
|
int
|
||
|
fmtgrent(char *buf, struct group * grp)
|
||
|
{
|
||
|
return fmtgrentry(buf, grp, PWF_STANDARD);
|
||
|
}
|
||
|
|
||
|
|
||
|
static int
|
||
|
gr_update(struct group * grp, char const * group, int mode)
|
||
|
{
|
||
|
int l;
|
||
|
char pfx[32];
|
||
|
char grbuf[MAXPWLINE];
|
||
|
|
||
|
endgrent();
|
||
|
l = sprintf(pfx, "%s:", group);
|
||
|
|
||
|
/*
|
||
|
* Update the group file
|
||
|
*/
|
||
|
if (grp == NULL)
|
||
|
*grbuf = '\0';
|
||
|
else
|
||
|
fmtgrentry(grbuf, grp, PWF_PASSWD);
|
||
|
return fileupdate(_PATH_GROUP, 0644, grbuf, pfx, l, mode);
|
||
|
}
|
||
|
|
||
|
|
||
|
int
|
||
|
addgrent(struct group * grp)
|
||
|
{
|
||
|
return gr_update(grp, grp->gr_name, UPD_CREATE);
|
||
|
}
|
||
|
|
||
|
int
|
||
|
chggrent(char const * login, struct group * grp)
|
||
|
{
|
||
|
return gr_update(grp, login, UPD_REPLACE);
|
||
|
}
|
||
|
|
||
|
int
|
||
|
delgrent(struct group * grp)
|
||
|
{
|
||
|
return gr_update(NULL, grp->gr_name, UPD_DELETE);
|
||
|
}
|