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3e52eaa607
git-svn-id: https://mumble.svn.sourceforge.net/svnroot/mumble/trunk@194 05730e5d-ab1b-0410-a4ac-84af385074fa
117 lines
3.2 KiB
C++
117 lines
3.2 KiB
C++
/* Copyright (C) 2005, Thorvald Natvig <thorvald@natvig.com>
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All rights reserved.
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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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- Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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- Neither the name of the Mumble Developers nor the names of its
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contributors may be used to endorse or promote products derived from this
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software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "ACL.h"
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#include <QStack>
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ChanACL::ChanACL(Channel *chan) {
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bApplyHere = true;
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bApplySubs = true;
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iPlayerId = -1;
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c = chan;
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c->qlACL << this;
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}
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// Check permissions.
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// This will always return true for the superuser,
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// and will return false if a user isn't allowed to
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// traverse to the channel. (Need "read" in all preceeding channels)
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bool ChanACL::hasPermission(Player *p, Channel *chan, Perm perm) {
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QStack<Channel *> chanstack;
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Channel *ch;
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ChanACL *acl;
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// Superuser
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if (p->iId == 0)
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return true;
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ch = chan;
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while (ch) {
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chanstack.push(ch);
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ch = ch->cParent;
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}
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// Default permissions
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Permissions def = Read | Enter | Speak;
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Permissions granted = def;
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bool traverse = true;
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while (! chanstack.isEmpty()) {
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ch = chanstack.pop();
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if (! ch->bInheritACL)
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granted = def;
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foreach(acl, ch->qlACL) {
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if ((acl->iPlayerId == p->iId) || Group::isMember(chan, acl->qsGroup, p)) {
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if (acl->pAllow & Read)
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traverse = true;
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if (acl->pDeny & Read)
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traverse = false;
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if ((ch==chan && acl->bApplyHere) || (ch!=chan && acl->bApplySubs)) {
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granted |= acl->pAllow;
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granted &= ~acl->pDeny;
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}
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}
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}
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if (! traverse)
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return false;
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}
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return ((granted & (perm | Write)) != None);
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}
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QString ChanACL::permName(Perm p) {
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switch (p) {
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case None:
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return "None";
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case Write:
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return "Write";
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case Read:
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return "Read";
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case Enter:
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return "Enter";
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case Speak:
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return "Speak";
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case MuteDeafen:
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return "Mute/Deafen";
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case MoveKick:
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return "Mute/Kick";
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case MakeChannel:
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return "Make channel";
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default:
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qFatal("Asked to translate unknown permission %d", p);
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}
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return "";
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}
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