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36579d3daa
[atomicio.h canohost.h clientloop.h deattack.h dh.h dispatch.h
groupaccess.c groupaccess.h hmac.h hostfile.h includes.h kex.h
key.h log.h login.h match.h misc.h myproposal.h nchan.ms pathnames.h
radix.h readpass.h rijndael.h serverloop.h session.h sftp.h ssh-add.1
ssh-dss.h ssh-keygen.1 ssh-keyscan.1 ssh-rsa.h ssh1.h ssh_config
sshconnect.h sshd_config tildexpand.h uidswap.h uuencode.h]
$OpenBSD$
79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/* $OpenBSD: groupaccess.c,v 1.3 2001/01/29 01:58:15 niklas Exp $ */
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/*
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* Copyright (c) 2001 Kevin Steves. 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.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "includes.h"
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#include "groupaccess.h"
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#include "xmalloc.h"
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#include "match.h"
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#include "log.h"
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static int ngroups;
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static char *groups_byname[NGROUPS_MAX + 1]; /* +1 for base/primary group */
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int
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ga_init(const char *user, gid_t base)
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{
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gid_t groups_bygid[NGROUPS_MAX + 1];
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int i, j;
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struct group *gr;
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if (ngroups > 0)
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ga_free();
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ngroups = sizeof(groups_bygid) / sizeof(gid_t);
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if (getgrouplist(user, base, groups_bygid, &ngroups) == -1)
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log("getgrouplist: groups list too small");
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for (i = 0, j = 0; i < ngroups; i++)
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if ((gr = getgrgid(groups_bygid[i])) != NULL)
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groups_byname[j++] = xstrdup(gr->gr_name);
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return (ngroups = j);
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}
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int
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ga_match(char * const *groups, int n)
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{
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int i, j;
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for (i = 0; i < ngroups; i++)
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for (j = 0; j < n; j++)
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if (match_pattern(groups_byname[i], groups[j]))
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return 1;
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return 0;
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}
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void
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ga_free(void)
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{
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int i;
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if (ngroups > 0) {
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for (i = 0; i < ngroups; i++)
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xfree(groups_byname[i]);
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ngroups = 0;
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}
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}
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