Attachment 148371 Details for Bug 229280 – getsocketpeer.c

getsocketpeer.c

getsocketpeer.c (text/plain), 3.92 KB, created by Pete Rowley on 2007-02-19 21:58:41 UTC

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Creator: Pete Rowley

Created: 2007-02-19 21:58:41 UTC

Size: 3.92 KB

patch

obsolete

>/** BEGIN COPYRIGHT BLOCK
> * This Program is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License as published by the Free Software * Foundation; version 2 of the License.
> *
> * This Program is distributed in the hope that it will be useful, but WITHOUT
> * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
> *
> * You should have received a copy of the GNU General Public License along with
> * this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
> * Place, Suite 330, Boston, MA 02111-1307 USA.
> *
> * In addition, as a special exception, Red Hat, Inc. gives You the additional
> * right to link the code of this Program with code not covered under the GNU
> * General Public License ("Non-GPL Code") and to distribute linked combinations * including the two, subject to the limitations in this paragraph. Non-GPL Code * permitted under this exception must only link to the code of this Program
> * through those well defined interfaces identified in the file named EXCEPTION
> * found in the source code files (the "Approved Interfaces"). The files of
> * Non-GPL Code may instantiate templates or use macros or inline functions from * the Approved Interfaces without causing the resulting work to be covered by
> * the GNU General Public License. Only Red Hat, Inc. may make changes or
> * additions to the list of Approved Interfaces. You must obey the GNU General
> * Public License in all respects for all of the Program code and other code used
> * in conjunction with the Program except the Non-GPL Code covered by this
> * exception. If you modify this file, you may extend this exception to your
> * version of the file, but you are not obligated to do so. If you do not wish to
> * provide this exception without modification, you must delete this exception
> * statement from your version and license this file solely under the GPL without
> * exception.
> *
> *
> * Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
> * Copyright (C) 2007 Red Hat, Inc.
> * All rights reserved.
> * END COPYRIGHT BLOCK **/
>
>#if defined(HAVE_GETPEERUCRED)
>#include <ucred.h>
>#endif
>
>#include <sys/types.h>
>#include <unistd.h>
>#include <sys/socket.h>
>
>/* nspr secrets - we need to do an end run around nspr
>   in order to do things it does not support
> */
>#include <private/pprio.h>
>
>int slapd_get_socket_peer(PRFileDesc *nspr_fd, uid_t *uid, gid_t *gid)
>{
>	int ret = -1;
>	int fd = PR_FileDesc2NativeHandle(nspr_fd); /* naughty private func */
>
>#if defined(SO_PEERCRED) /* linux */
>
>	struct ucred creds;
>	socklen_t len = sizeof(creds);
>
>	if(0 == getsockopt(fd, SOL_SOCKET, SO_PEERCRED, (void*)&creds, &len ))
>	{
>		if(sizeof(creds) == len)
>		{
>			if(uid)
>				*uid = creds.uid;
>			if(gid)
>				*gid = creds.gid;
>
>			ret = 0;
>		}
>	}
>
>#elif 0 /*defined(HAVE_GETPEERUCRED)*/ /* solaris */
>
>	ucred_t *creds = 0;
>
>	if(0 == getpeerucred(fd, &creds))
>	{
>		if(uid)
>		{
>			uid = ucred_getruid(creds);
>			if(-1 != uid)
>				ret = 0;
>		}
>
>		if(gid)
>		{
>			gid = ucred_getrgid(creds);
>			if(-1 == gid)
>				ret = -1;
>			else
>				ret = 0;
>		}
>
>		ucred_free(creds);
>	}
>
>#elif 0 /* defined(HAVE_GETPEEREID) */ /* osx / some BSDs */
>
>	if(0 == getpeereid(fd, &uid, &gid))
>		ret = 0;
>
>#else 0 /* hpux / some BSDs - file descriptor cooperative auth */
>
>        struct msghdr msg;
>	struct iovec iov;
>	char dummy[8];
>	int fd[2];
>
>	memset(msg, 0, sizeof(msg));
>	
>	iov.iov_base = dummy;
>	iov.iov_len = sizeof(dummy);
>	msg.msg_iov = &iov;
>	msg.msg_iovlen = 1;
>	msg.msg_accrights = (char*)fd;
>	msg.msg_accrightslen = sizeof(fd);
>
>        if(recvmsg(fd, &msg, MSG_PEEK) >= 0 && msg.msg_accrightslen == sizeof(int))
>        {
>		struct stat st;
>
>		ret = fstat(fd[0], &st);
>		close(fd[0]);
>
>		if(0 == ret && S_ISFIFO(st.st_mode) &&
>			0 == st.st_mode & (S_IRWXG|S_IRWXO))
>		{
>			if(uid)
>				uid = st.st_uid;
>
>			if(gid)
>				gid = st.st_gid;
>		}
>        }
>
>#endif
>
>	return ret;
>}
>

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Attachments on bug 229280: 148370 | 148371 | 148372