94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
/*
|
|
* Copyright (c) 1983 Regents of the University of California.
|
|
* 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.
|
|
* 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 the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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.
|
|
*/
|
|
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
static char sccsid[] = "@(#)initgroups.c 5.7 (Berkeley) 2/23/91";
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
/*
|
|
* initgroups
|
|
*/
|
|
#define _KERNEL
|
|
#include "ixnet.h"
|
|
#include <sys/param.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <grp.h>
|
|
|
|
struct group *getgrent();
|
|
|
|
int
|
|
initgroups(const char *uname, int agroup)
|
|
{
|
|
usetup;
|
|
int groups[NGROUPS], ngroups = 0;
|
|
register struct group *grp;
|
|
register int i;
|
|
register struct ixnet *p = (struct ixnet *)u.u_ixnet;
|
|
|
|
if (p->u_networkprotocol == IX_NETWORK_AMITCP) {
|
|
return UG_initgroups(uname,agroup);
|
|
}
|
|
|
|
/*
|
|
* If installing primary group, duplicate it;
|
|
* the first element of groups is the effective gid
|
|
* and will be overwritten when a setgid file is executed.
|
|
*/
|
|
if (agroup >= 0) {
|
|
groups[ngroups++] = agroup;
|
|
groups[ngroups++] = agroup;
|
|
}
|
|
setgrent();
|
|
while ((grp = getgrent())) {
|
|
if (grp->gr_gid == agroup)
|
|
continue;
|
|
for (i = 0; grp->gr_mem[i]; i++)
|
|
if (!strcmp(grp->gr_mem[i], uname)) {
|
|
if (ngroups == NGROUPS) {
|
|
fprintf(stderr, "initgroups: %s is in too many groups\n", uname);
|
|
goto toomany;
|
|
}
|
|
groups[ngroups++] = grp->gr_gid;
|
|
}
|
|
}
|
|
toomany:
|
|
endgrent();
|
|
if (setgroups(ngroups, groups) < 0) {
|
|
perror("setgroups");
|
|
return (-1);
|
|
}
|
|
return (0);
|
|
}
|