112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
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/*-
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* Copyright (c) 1996 by David L. Nugent <davidn@blaze.net.au>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer as
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* the first lines of this file unmodified.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by David L. Nugent.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DAVID L. NUGENT ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id$
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdarg.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "pwupd.h"
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int
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fmtgrentry(char *buf, struct group * grp, int type)
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{
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int i, l;
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if (type == PWF_STANDARD)
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l = sprintf(buf, "%s:*:%ld:", grp->gr_name, (long) grp->gr_gid);
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else
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l = sprintf(buf, "%s:%s:%ld:", grp->gr_name, grp->gr_passwd, (long) grp->gr_gid);
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/*
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* Now, list members
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*/
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for (i = 0; i < 200 && grp->gr_mem[i]; i++)
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l += sprintf(buf + l, "%s%s", i ? "," : "", grp->gr_mem[i]);
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buf[l++] = '\n';
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buf[l] = '\0';
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return l;
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}
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int
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fmtgrent(char *buf, struct group * grp)
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{
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return fmtgrentry(buf, grp, PWF_STANDARD);
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}
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static int
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gr_update(struct group * grp, char const * group, int mode)
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{
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int l;
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char pfx[32];
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char grbuf[MAXPWLINE];
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endgrent();
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l = sprintf(pfx, "%s:", group);
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/*
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* Update the group file
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*/
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if (grp == NULL)
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*grbuf = '\0';
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else
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fmtgrentry(grbuf, grp, PWF_PASSWD);
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return fileupdate(_PATH_GROUP, 0644, grbuf, pfx, l, mode);
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}
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int
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addgrent(struct group * grp)
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{
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return gr_update(grp, grp->gr_name, UPD_CREATE);
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}
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int
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chggrent(char const * login, struct group * grp)
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{
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return gr_update(grp, login, UPD_REPLACE);
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}
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int
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delgrent(struct group * grp)
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{
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return gr_update(NULL, grp->gr_name, UPD_DELETE);
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}
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