llpermissions.cpp
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- /**
- * @file llpermissions.cpp
- * @author Phoenix
- * @brief Permissions for objects and inventory.
- *
- * $LicenseInfo:firstyear=2002&license=viewergpl$
- *
- * Copyright (c) 2002-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #include "linden_common.h"
- #include "llpermissions.h"
- // library includes
- #include "message.h"
- #include "metapropertyt.h"
- #include "llsd.h"
- ///----------------------------------------------------------------------------
- /// Class LLPermissions
- ///----------------------------------------------------------------------------
- const LLPermissions LLPermissions::DEFAULT;
- // No creator = created by system
- LLPermissions::LLPermissions()
- {
- init(LLUUID::null, LLUUID::null, LLUUID::null, LLUUID::null);
- }
- // Default to created by system
- void LLPermissions::init(const LLUUID& creator, const LLUUID& owner, const LLUUID& last_owner, const LLUUID& group)
- {
- mCreator = creator;
- mOwner = owner;
- mLastOwner = last_owner;
- mGroup = group;
- mMaskBase = PERM_ALL;
- mMaskOwner = PERM_ALL;
- mMaskEveryone = PERM_ALL;
- mMaskGroup = PERM_ALL;
- mMaskNextOwner = PERM_ALL;
- fixOwnership();
- }
- void LLPermissions::initMasks(PermissionMask base, PermissionMask owner,
- PermissionMask everyone, PermissionMask group,
- PermissionMask next)
- {
- mMaskBase = base;
- mMaskOwner = owner;
- mMaskEveryone = everyone;
- mMaskGroup = group;
- mMaskNextOwner = next;
- fixFairUse();
- fix();
- }
- // ! BACKWARDS COMPATIBILITY ! Override masks for inventory types that
- // no longer can have restricted permissions. This takes care of previous
- // version landmarks that could have had no copy/mod/transfer bits set.
- void LLPermissions::initMasks(LLInventoryType::EType type)
- {
- if (LLInventoryType::cannotRestrictPermissions(type))
- {
- initMasks(PERM_ALL, PERM_ALL, PERM_ALL, PERM_ALL, PERM_ALL);
- }
- }
- BOOL LLPermissions::getOwnership(LLUUID& owner_id, BOOL& is_group_owned) const
- {
- if(mOwner.notNull())
- {
- owner_id = mOwner;
- is_group_owned = FALSE;
- return TRUE;
- }
- else if(mIsGroupOwned)
- {
- owner_id = mGroup;
- is_group_owned = TRUE;
- return TRUE;
- }
- return FALSE;
- }
- LLUUID LLPermissions::getSafeOwner() const
- {
- if(mOwner.notNull())
- {
- return mOwner;
- }
- else if(mIsGroupOwned)
- {
- return mGroup;
- }
- else
- {
- llwarns << "LLPermissions::getSafeOwner() called with no valid owner!" << llendl;
- LLUUID unused_uuid;
- unused_uuid.generate();
- return unused_uuid;
- }
- }
- U32 LLPermissions::getCRC32() const
- {
- U32 rv = mCreator.getCRC32();
- rv += mOwner.getCRC32();
- rv += mLastOwner.getCRC32();
- rv += mGroup.getCRC32();
- rv += mMaskBase + mMaskOwner + mMaskEveryone + mMaskGroup;
- return rv;
- }
- void LLPermissions::set(const LLPermissions& from)
- {
- mCreator = from.mCreator;
- mOwner = from.mOwner;
- mLastOwner = from.mLastOwner;
- mGroup = from.mGroup;
- mMaskBase = from.mMaskBase;
- mMaskOwner = from.mMaskOwner;
- mMaskEveryone = from.mMaskEveryone;
- mMaskGroup = from.mMaskGroup;
- mMaskNextOwner = from.mMaskNextOwner;
- mIsGroupOwned = from.mIsGroupOwned;
- }
- // Fix hierarchy of permissions.
- void LLPermissions::fix()
- {
- mMaskOwner &= mMaskBase;
- mMaskGroup &= mMaskOwner;
- // next owner uses base, since you may want to sell locked objects.
- mMaskNextOwner &= mMaskBase;
- mMaskEveryone &= mMaskOwner;
- mMaskEveryone &= ~PERM_MODIFY;
- if(!(mMaskBase & PERM_TRANSFER) && !mIsGroupOwned)
- {
- mMaskGroup &= ~PERM_COPY;
- mMaskEveryone &= ~PERM_COPY;
- // Do not set mask next owner to too restrictive because if we
- // rez an object, it may require an ownership transfer during
- // rez, which will note the overly restrictive perms, and then
- // fix them to allow fair use, which may be different than the
- // original intention.
- }
- }
- // Correct for fair use - you can never take away the right to move
- // stuff you own, and you can never take away the right to transfer
- // something you cannot otherwise copy.
- void LLPermissions::fixFairUse()
- {
- mMaskBase |= PERM_MOVE;
- if(!(mMaskBase & PERM_COPY))
- {
- mMaskBase |= PERM_TRANSFER;
- }
- // (mask next owner == PERM_NONE) iff mask base is no transfer
- if(mMaskNextOwner != PERM_NONE)
- {
- mMaskNextOwner |= PERM_MOVE;
- }
- }
- void LLPermissions::fixOwnership()
- {
- if(mOwner.isNull() && mGroup.notNull())
- {
- mIsGroupOwned = true;
- }
- else
- {
- mIsGroupOwned = false;
- }
- }
- // Allow accumulation of permissions. Results in the tightest
- // permissions possible. In the case of clashing UUIDs, it sets the ID
- // to LLUUID::null.
- void LLPermissions::accumulate(const LLPermissions& perm)
- {
- if(perm.mCreator != mCreator)
- {
- mCreator = LLUUID::null;
- }
- if(perm.mOwner != mOwner)
- {
- mOwner = LLUUID::null;
- }
- if(perm.mLastOwner != mLastOwner)
- {
- mLastOwner = LLUUID::null;
- }
- if(perm.mGroup != mGroup)
- {
- mGroup = LLUUID::null;
- }
- mMaskBase &= perm.mMaskBase;
- mMaskOwner &= perm.mMaskOwner;
- mMaskGroup &= perm.mMaskGroup;
- mMaskEveryone &= perm.mMaskEveryone;
- mMaskNextOwner &= perm.mMaskNextOwner;
- fix();
- }
- // saves last owner, sets current owner, and sets the group. note
- // that this function has to more cleverly apply the fair use
- // permissions.
- BOOL LLPermissions::setOwnerAndGroup(
- const LLUUID& agent,
- const LLUUID& owner,
- const LLUUID& group,
- bool is_atomic)
- {
- BOOL allowed = FALSE;
- if( agent.isNull() || mOwner.isNull()
- || ((agent == mOwner) && ((owner == mOwner) || (mMaskOwner & PERM_TRANSFER)) ) )
- {
- // ...system can alway set owner
- // ...public objects can be claimed by anyone
- // ...otherwise, agent must own it and have transfer ability
- allowed = TRUE;
- }
- if (allowed)
- {
- if(mLastOwner.isNull() || (!mOwner.isNull() && (owner != mLastOwner)))
- {
- mLastOwner = mOwner;
- }
- if((mOwner != owner)
- || (mOwner.isNull() && owner.isNull() && (mGroup != group)))
- {
- mMaskBase = mMaskNextOwner;
- mOwner = owner;
- // this is a selective use of fair use for atomic
- // permissions.
- if(is_atomic && !(mMaskBase & PERM_COPY))
- {
- mMaskBase |= PERM_TRANSFER;
- }
- }
- mGroup = group;
- fixOwnership();
- // if it's not atomic and we fix fair use, it blows away
- //objects as inventory items which have different permissions
- //than it's contents. :(
- // fixFairUse();
- mMaskBase |= PERM_MOVE;
- if(mMaskNextOwner != PERM_NONE) mMaskNextOwner |= PERM_MOVE;
- fix();
- }
- return allowed;
- }
- //Fix for DEV-33917, last owner isn't used much and has little impact on
- //permissions so it's reasonably safe to do this, however, for now,
- //limiting the functionality of this routine to objects which are
- //group owned.
- void LLPermissions::setLastOwner(const LLUUID& last_owner)
- {
- if (isGroupOwned())
- mLastOwner = last_owner;
- }
-
- // only call this if you know what you're doing
- // there are usually perm-bit consequences when the
- // ownerhsip changes
- void LLPermissions::yesReallySetOwner(const LLUUID& owner, bool group_owned)
- {
- mOwner = owner;
- mIsGroupOwned = group_owned;
- }
- BOOL LLPermissions::deedToGroup(const LLUUID& agent, const LLUUID& group)
- {
- if(group.notNull() && (agent.isNull() || ((group == mGroup)
- && (mMaskOwner & PERM_TRANSFER)
- && (mMaskGroup & PERM_MOVE))))
- {
- if(mOwner.notNull())
- {
- mLastOwner = mOwner;
- mOwner.setNull();
- }
- mMaskBase = mMaskNextOwner;
- mMaskGroup = PERM_NONE;
- mGroup = group;
- mIsGroupOwned = true;
- fixFairUse();
- fix();
- return TRUE;
- }
- return FALSE;
- }
- BOOL LLPermissions::setBaseBits(const LLUUID& agent, BOOL set, PermissionMask bits)
- {
- BOOL ownership = FALSE;
- if(agent.isNull())
- {
- // only the system is always allowed to change base bits
- ownership = TRUE;
- }
- if (ownership)
- {
- if (set)
- {
- mMaskBase |= bits; // turn on bits
- }
- else
- {
- mMaskBase &= ~bits; // turn off bits
- }
- fix();
- }
- return ownership;
- }
- // Note: If you attempt to set bits that the base bits doesn't allow,
- // the function will succeed, but those bits will not be set.
- BOOL LLPermissions::setOwnerBits(const LLUUID& agent, BOOL set, PermissionMask bits)
- {
- BOOL ownership = FALSE;
- if(agent.isNull())
- {
- // ...system always allowed to change things
- ownership = TRUE;
- }
- else if (agent == mOwner)
- {
- // ...owner bits can only be set by owner
- ownership = TRUE;
- }
- // If we have correct ownership and
- if (ownership)
- {
- if (set)
- {
- mMaskOwner |= bits; // turn on bits
- }
- else
- {
- mMaskOwner &= ~bits; // turn off bits
- }
- fix();
- }
- return (ownership);
- }
- BOOL LLPermissions::setGroupBits(const LLUUID& agent, const LLUUID& group, BOOL set, PermissionMask bits)
- {
- BOOL ownership = FALSE;
- if((agent.isNull()) || (agent == mOwner)
- || ((group == mGroup) && (!mGroup.isNull())))
- {
- // The group bits can be set by the system, the owner, or a
- // group member.
- ownership = TRUE;
- }
- if (ownership)
- {
- if (set)
- {
- mMaskGroup |= bits;
- }
- else
- {
- mMaskGroup &= ~bits;
- }
- fix();
- }
- return ownership;
- }
- // Note: If you attempt to set bits that the creator or owner doesn't allow,
- // the function will succeed, but those bits will not be set.
- BOOL LLPermissions::setEveryoneBits(const LLUUID& agent, const LLUUID& group, BOOL set, PermissionMask bits)
- {
- BOOL ownership = FALSE;
- if((agent.isNull()) || (agent == mOwner)
- || ((group == mGroup) && (!mGroup.isNull())))
- {
- // The everyone bits can be set by the system, the owner, or a
- // group member.
- ownership = TRUE;
- }
- if (ownership)
- {
- if (set)
- {
- mMaskEveryone |= bits;
- }
- else
- {
- mMaskEveryone &= ~bits;
- }
- // Fix hierarchy of permissions
- fix();
- }
- return ownership;
- }
- // Note: If you attempt to set bits that the creator or owner doesn't allow,
- // the function will succeed, but those bits will not be set.
- BOOL LLPermissions::setNextOwnerBits(const LLUUID& agent, const LLUUID& group, BOOL set, PermissionMask bits)
- {
- BOOL ownership = FALSE;
- if((agent.isNull()) || (agent == mOwner)
- || ((group == mGroup) && (!mGroup.isNull())))
- {
- // The next owner bits can be set by the system, the owner, or
- // a group member.
- ownership = TRUE;
- }
- if (ownership)
- {
- if (set)
- {
- mMaskNextOwner |= bits;
- }
- else
- {
- mMaskNextOwner &= ~bits;
- }
- // Fix-up permissions
- if(!(mMaskNextOwner & PERM_COPY))
- {
- mMaskNextOwner |= PERM_TRANSFER;
- }
- fix();
- }
- return ownership;
- }
- BOOL LLPermissions::allowOperationBy(PermissionBit op, const LLUUID& requester, const LLUUID& group) const
- {
- if(requester.isNull())
- {
- // ...system making request
- // ...not owned
- return TRUE;
- }
- else if (mIsGroupOwned && (mGroup == requester))
- {
- // group checking ownership permissions
- return (mMaskOwner & op);
- }
- else if (!mIsGroupOwned && (mOwner == requester))
- {
- // ...owner making request
- return (mMaskOwner & op);
- }
- else if(mGroup.notNull() && (mGroup == group))
- {
- // group member making request
- return ((mMaskGroup & op) || (mMaskEveryone & op));
- }
- return (mMaskEveryone & op);
- }
- //
- // LLSD support for HTTP messages.
- //
- LLSD LLPermissions::packMessage() const
- {
- LLSD result;
- result["creator-id"] = mCreator;
- result["owner-id"] = mOwner;
- result["group-id"] = mGroup;
- result["base-mask"] = (S32)mMaskBase;
- result["owner-mask"] = (S32)mMaskOwner;
- result["group-mask"] = (S32)mMaskGroup;
- result["everyone-mask"] = (S32)mMaskEveryone;
- result["next-owner-mask"]= (S32)mMaskNextOwner;
- result["group-owned"] = (BOOL)mIsGroupOwned;
- return result;
- }
- //
- // Messaging support
- //
- void LLPermissions::packMessage(LLMessageSystem* msg) const
- {
- msg->addUUIDFast(_PREHASH_CreatorID, mCreator);
- msg->addUUIDFast(_PREHASH_OwnerID, mOwner);
- msg->addUUIDFast(_PREHASH_GroupID, mGroup);
- msg->addU32Fast(_PREHASH_BaseMask, mMaskBase );
- msg->addU32Fast(_PREHASH_OwnerMask, mMaskOwner );
- msg->addU32Fast(_PREHASH_GroupMask, mMaskGroup );
- msg->addU32Fast(_PREHASH_EveryoneMask, mMaskEveryone );
- msg->addU32Fast(_PREHASH_NextOwnerMask, mMaskNextOwner );
- msg->addBOOLFast(_PREHASH_GroupOwned, (BOOL)mIsGroupOwned);
- }
- void LLPermissions::unpackMessage(LLSD perms)
- {
- mCreator = perms["creator-id"];
- mOwner = perms["owner-id"];
- mGroup = perms["group-id"];
- mMaskBase = (U32)perms["base-mask"].asInteger();
- mMaskOwner = (U32)perms["owner-mask"].asInteger();
- mMaskGroup = (U32)perms["group-mask"].asInteger();
- mMaskEveryone = (U32)perms["everyone-mask"].asInteger();
- mMaskNextOwner = (U32)perms["next-owner-mask"].asInteger();
- mIsGroupOwned = perms["group-owned"].asBoolean();
- }
- void LLPermissions::unpackMessage(LLMessageSystem* msg, const char* block, S32 block_num)
- {
- msg->getUUIDFast(block, _PREHASH_CreatorID, mCreator, block_num);
- msg->getUUIDFast(block, _PREHASH_OwnerID, mOwner, block_num);
- msg->getUUIDFast(block, _PREHASH_GroupID, mGroup, block_num);
- msg->getU32Fast(block, _PREHASH_BaseMask, mMaskBase, block_num );
- msg->getU32Fast(block, _PREHASH_OwnerMask, mMaskOwner, block_num );
- msg->getU32Fast(block, _PREHASH_GroupMask, mMaskGroup, block_num );
- msg->getU32Fast(block, _PREHASH_EveryoneMask, mMaskEveryone, block_num );
- msg->getU32Fast(block, _PREHASH_NextOwnerMask, mMaskNextOwner, block_num );
- BOOL tmp;
- msg->getBOOLFast(block, _PREHASH_GroupOwned, tmp, block_num);
- mIsGroupOwned = (bool)tmp;
- }
- //
- // File support
- //
- BOOL LLPermissions::importFile(LLFILE* fp)
- {
- init(LLUUID::null, LLUUID::null, LLUUID::null, LLUUID::null);
- const S32 BUFSIZE = 16384;
- // *NOTE: Changing the buffer size will require changing the scanf
- // calls below.
- char buffer[BUFSIZE]; /* Flawfinder: ignore */
- char keyword[256]; /* Flawfinder: ignore */
- char valuestr[256]; /* Flawfinder: ignore */
- char uuid_str[256]; /* Flawfinder: ignore */
- U32 mask;
- keyword[0] = ' ';
- valuestr[0] = ' ';
- while (!feof(fp))
- {
- if (fgets(buffer, BUFSIZE, fp) == NULL)
- {
- buffer[0] = ' ';
- }
-
- sscanf( /* Flawfinder: ignore */
- buffer,
- " %255s %255s",
- keyword, valuestr);
- if (!strcmp("{", keyword))
- {
- continue;
- }
- if (!strcmp("}",keyword))
- {
- break;
- }
- else if (!strcmp("creator_mask", keyword))
- {
- // legacy support for "creator" masks
- sscanf(valuestr, "%x", &mask);
- mMaskBase = mask;
- fixFairUse();
- }
- else if (!strcmp("base_mask", keyword))
- {
- sscanf(valuestr, "%x", &mask);
- mMaskBase = mask;
- //fixFairUse();
- }
- else if (!strcmp("owner_mask", keyword))
- {
- sscanf(valuestr, "%x", &mask);
- mMaskOwner = mask;
- }
- else if (!strcmp("group_mask", keyword))
- {
- sscanf(valuestr, "%x", &mask);
- mMaskGroup = mask;
- }
- else if (!strcmp("everyone_mask", keyword))
- {
- sscanf(valuestr, "%x", &mask);
- mMaskEveryone = mask;
- }
- else if (!strcmp("next_owner_mask", keyword))
- {
- sscanf(valuestr, "%x", &mask);
- mMaskNextOwner = mask;
- }
- else if (!strcmp("creator_id", keyword))
- {
- sscanf(valuestr, "%255s", uuid_str); /* Flawfinder: ignore */
- mCreator.set(uuid_str);
- }
- else if (!strcmp("owner_id", keyword))
- {
- sscanf(valuestr, "%255s", uuid_str); /* Flawfinder: ignore */
- mOwner.set(uuid_str);
- }
- else if (!strcmp("last_owner_id", keyword))
- {
- sscanf(valuestr, "%255s", uuid_str); /* Flawfinder: ignore */
- mLastOwner.set(uuid_str);
- }
- else if (!strcmp("group_id", keyword))
- {
- sscanf(valuestr, "%255s", uuid_str); /* Flawfinder: ignore */
- mGroup.set(uuid_str);
- }
- else if (!strcmp("group_owned", keyword))
- {
- sscanf(valuestr, "%d", &mask);
- if(mask) mIsGroupOwned = true;
- else mIsGroupOwned = false;
- }
- else
- {
- llinfos << "unknown keyword " << keyword << " in permissions import" << llendl;
- }
- }
- fix();
- return TRUE;
- }
- BOOL LLPermissions::exportFile(LLFILE* fp) const
- {
- std::string uuid_str;
- fprintf(fp, "tpermissions 0n");
- fprintf(fp, "t{n");
- fprintf(fp, "ttbase_maskt%08xn", mMaskBase);
- fprintf(fp, "ttowner_maskt%08xn", mMaskOwner);
- fprintf(fp, "ttgroup_maskt%08xn", mMaskGroup);
- fprintf(fp, "tteveryone_maskt%08xn", mMaskEveryone);
- fprintf(fp, "ttnext_owner_maskt%08xn", mMaskNextOwner);
- mCreator.toString(uuid_str);
- fprintf(fp, "ttcreator_idt%sn", uuid_str.c_str());
- mOwner.toString(uuid_str);
- fprintf(fp, "ttowner_idt%sn", uuid_str.c_str());
- mLastOwner.toString(uuid_str);
- fprintf(fp, "ttlast_owner_idt%sn", uuid_str.c_str());
- mGroup.toString(uuid_str);
- fprintf(fp, "ttgroup_idt%sn", uuid_str.c_str());
- if(mIsGroupOwned)
- {
- fprintf(fp, "ttgroup_ownedt1n");
- }
- fprintf(fp,"t}n");
- return TRUE;
- }
- BOOL LLPermissions::importLegacyStream(std::istream& input_stream)
- {
- init(LLUUID::null, LLUUID::null, LLUUID::null, LLUUID::null);
- const S32 BUFSIZE = 16384;
- // *NOTE: Changing the buffer size will require changing the scanf
- // calls below.
- char buffer[BUFSIZE]; /* Flawfinder: ignore */
- char keyword[256]; /* Flawfinder: ignore */
- char valuestr[256]; /* Flawfinder: ignore */
- char uuid_str[256]; /* Flawfinder: ignore */
- U32 mask;
- keyword[0] = ' ';
- valuestr[0] = ' ';
- while (input_stream.good())
- {
- input_stream.getline(buffer, BUFSIZE);
- sscanf( /* Flawfinder: ignore */
- buffer,
- " %255s %255s",
- keyword, valuestr);
- if (!strcmp("{", keyword))
- {
- continue;
- }
- if (!strcmp("}",keyword))
- {
- break;
- }
- else if (!strcmp("creator_mask", keyword))
- {
- // legacy support for "creator" masks
- sscanf(valuestr, "%x", &mask);
- mMaskBase = mask;
- fixFairUse();
- }
- else if (!strcmp("base_mask", keyword))
- {
- sscanf(valuestr, "%x", &mask);
- mMaskBase = mask;
- //fixFairUse();
- }
- else if (!strcmp("owner_mask", keyword))
- {
- sscanf(valuestr, "%x", &mask);
- mMaskOwner = mask;
- }
- else if (!strcmp("group_mask", keyword))
- {
- sscanf(valuestr, "%x", &mask);
- mMaskGroup = mask;
- }
- else if (!strcmp("everyone_mask", keyword))
- {
- sscanf(valuestr, "%x", &mask);
- mMaskEveryone = mask;
- }
- else if (!strcmp("next_owner_mask", keyword))
- {
- sscanf(valuestr, "%x", &mask);
- mMaskNextOwner = mask;
- }
- else if (!strcmp("creator_id", keyword))
- {
- sscanf(valuestr, "%255s", uuid_str); /* Flawfinder: ignore */
- mCreator.set(uuid_str);
- }
- else if (!strcmp("owner_id", keyword))
- {
- sscanf(valuestr, "%255s", uuid_str); /* Flawfinder: ignore */
- mOwner.set(uuid_str);
- }
- else if (!strcmp("last_owner_id", keyword))
- {
- sscanf(valuestr, "%255s", uuid_str); /* Flawfinder: ignore */
- mLastOwner.set(uuid_str);
- }
- else if (!strcmp("group_id", keyword))
- {
- sscanf(valuestr, "%255s", uuid_str); /* Flawfinder: ignore */
- mGroup.set(uuid_str);
- }
- else if (!strcmp("group_owned", keyword))
- {
- sscanf(valuestr, "%d", &mask);
- if(mask) mIsGroupOwned = true;
- else mIsGroupOwned = false;
- }
- else
- {
- llinfos << "unknown keyword " << keyword << " in permissions import" << llendl;
- }
- }
- fix();
- return TRUE;
- }
- BOOL LLPermissions::exportLegacyStream(std::ostream& output_stream) const
- {
- std::string uuid_str;
- output_stream << "tpermissions 0n";
- output_stream << "t{n";
- std::string buffer;
- buffer = llformat( "ttbase_maskt%08xn", mMaskBase);
- output_stream << buffer;
- buffer = llformat( "ttowner_maskt%08xn", mMaskOwner);
- output_stream << buffer;
- buffer = llformat( "ttgroup_maskt%08xn", mMaskGroup);
- output_stream << buffer;
- buffer = llformat( "tteveryone_maskt%08xn", mMaskEveryone);
- output_stream << buffer;
- buffer = llformat( "ttnext_owner_maskt%08xn", mMaskNextOwner);
- output_stream << buffer;
- mCreator.toString(uuid_str);
- output_stream << "ttcreator_idt" << uuid_str << "n";
- mOwner.toString(uuid_str);
- output_stream << "ttowner_idt" << uuid_str << "n";
- mLastOwner.toString(uuid_str);
- output_stream << "ttlast_owner_idt" << uuid_str << "n";
- mGroup.toString(uuid_str);
- output_stream << "ttgroup_idt" << uuid_str << "n";
- if(mIsGroupOwned)
- {
- output_stream << "ttgroup_ownedt1n";
- }
- output_stream << "t}n";
- return TRUE;
- }
- // Deleted LLPermissions::exportFileXML() and LLPermissions::importXML()
- // because I can't find any non-test code references to it. 2009-05-04 JC
- bool LLPermissions::operator==(const LLPermissions &rhs) const
- {
- return
- (mCreator == rhs.mCreator) &&
- (mOwner == rhs.mOwner) &&
- (mLastOwner == rhs.mLastOwner ) &&
- (mGroup == rhs.mGroup ) &&
- (mMaskBase == rhs.mMaskBase ) &&
- (mMaskOwner == rhs.mMaskOwner ) &&
- (mMaskGroup == rhs.mMaskGroup ) &&
- (mMaskEveryone == rhs.mMaskEveryone ) &&
- (mMaskNextOwner == rhs.mMaskNextOwner ) &&
- (mIsGroupOwned == rhs.mIsGroupOwned);
- }
- bool LLPermissions::operator!=(const LLPermissions &rhs) const
- {
- return
- (mCreator != rhs.mCreator) ||
- (mOwner != rhs.mOwner) ||
- (mLastOwner != rhs.mLastOwner ) ||
- (mGroup != rhs.mGroup ) ||
- (mMaskBase != rhs.mMaskBase ) ||
- (mMaskOwner != rhs.mMaskOwner ) ||
- (mMaskGroup != rhs.mMaskGroup ) ||
- (mMaskEveryone != rhs.mMaskEveryone ) ||
- (mMaskNextOwner != rhs.mMaskNextOwner) ||
- (mIsGroupOwned != rhs.mIsGroupOwned);
- }
- std::ostream& operator<<(std::ostream &s, const LLPermissions &perm)
- {
- s << "{Creator=" << perm.getCreator();
- s << ", Owner=" << perm.getOwner();
- s << ", Group=" << perm.getGroup();
- s << std::hex << ", BaseMask=0x" << perm.getMaskBase();
- s << ", OwnerMask=0x" << perm.getMaskOwner();
- s << ", EveryoneMask=0x" << perm.getMaskEveryone();
- s << ", GroupMask=0x" << perm.getMaskGroup();
- s << ", NextOwnerMask=0x" << perm.getMaskNextOwner() << std::dec;
- s << "}";
- return s;
- }
- template <>
- void LLMetaClassT<LLPermissions>::reflectProperties(LLMetaClass& meta_class)
- {
- reflectProperty(meta_class, "mCreator", &LLPermissions::mCreator);
- reflectProperty(meta_class, "mOwner", &LLPermissions::mOwner);
- reflectProperty(meta_class, "mGroup", &LLPermissions::mGroup);
- reflectProperty(meta_class, "mIsGroupOwned", &LLPermissions::mIsGroupOwned);
- }
- // virtual
- const LLMetaClass& LLPermissions::getMetaClass() const
- {
- return LLMetaClassT<LLPermissions>::instance();
- }
- ///----------------------------------------------------------------------------
- /// Class LLAggregatePermissions
- ///----------------------------------------------------------------------------
- const LLAggregatePermissions LLAggregatePermissions::empty;
- LLAggregatePermissions::LLAggregatePermissions()
- {
- for(S32 i = 0; i < PI_COUNT; ++i)
- {
- mBits[i] = AP_EMPTY;
- }
- }
- LLAggregatePermissions::EValue LLAggregatePermissions::getValue(PermissionBit bit) const
- {
- EPermIndex idx = perm2PermIndex(bit);
- EValue rv = AP_EMPTY;
- if(idx != PI_END)
- {
- rv = (LLAggregatePermissions::EValue)(mBits[idx]);
- }
- return rv;
- }
- // returns the bits compressed into a single byte: 00TTMMCC
- // where TT = transfer, MM = modify, and CC = copy
- // LSB is to the right
- U8 LLAggregatePermissions::getU8() const
- {
- U8 byte = mBits[PI_TRANSFER];
- byte <<= 2;
- byte |= mBits[PI_MODIFY];
- byte <<= 2;
- byte |= mBits[PI_COPY];
- return byte;
- }
- BOOL LLAggregatePermissions::isEmpty() const
- {
- for(S32 i = 0; i < PI_END; ++i)
- {
- if(mBits[i] != AP_EMPTY)
- {
- return FALSE;
- }
- }
- return TRUE;
- }
- void LLAggregatePermissions::aggregate(PermissionMask mask)
- {
- BOOL is_allowed = mask & PERM_COPY;
- aggregateBit(PI_COPY, is_allowed);
- is_allowed = mask & PERM_MODIFY;
- aggregateBit(PI_MODIFY, is_allowed);
- is_allowed = mask & PERM_TRANSFER;
- aggregateBit(PI_TRANSFER, is_allowed);
- }
- void LLAggregatePermissions::aggregate(const LLAggregatePermissions& ag)
- {
- for(S32 idx = PI_COPY; idx != PI_END; ++idx)
- {
- aggregateIndex((EPermIndex)idx, ag.mBits[idx]);
- }
- }
- void LLAggregatePermissions::aggregateBit(EPermIndex idx, BOOL allowed)
- {
- //if(AP_SOME == mBits[idx]) return; // P4 branch prediction optimization
- switch(mBits[idx])
- {
- case AP_EMPTY:
- mBits[idx] = allowed ? AP_ALL : AP_NONE;
- break;
- case AP_NONE:
- mBits[idx] = allowed ? AP_SOME: AP_NONE;
- break;
- case AP_SOME:
- // no-op
- break;
- case AP_ALL:
- mBits[idx] = allowed ? AP_ALL : AP_SOME;
- break;
- default:
- llwarns << "Bad aggregateBit " << (S32)idx << " "
- << (allowed ? "true" : "false") << llendl;
- break;
- }
- }
- void LLAggregatePermissions::aggregateIndex(EPermIndex idx, U8 bits)
- {
- switch(mBits[idx])
- {
- case AP_EMPTY:
- mBits[idx] = bits;
- break;
- case AP_NONE:
- switch(bits)
- {
- case AP_SOME:
- case AP_ALL:
- mBits[idx] = AP_SOME;
- break;
- case AP_EMPTY:
- case AP_NONE:
- default:
- // no-op
- break;
- }
- break;
- case AP_SOME:
- // no-op
- break;
- case AP_ALL:
- switch(bits)
- {
- case AP_NONE:
- case AP_SOME:
- mBits[idx] = AP_SOME;
- break;
- case AP_EMPTY:
- case AP_ALL:
- default:
- // no-op
- break;
- }
- break;
- default:
- llwarns << "Bad aggregate index " << (S32)idx << " "
- << (S32)bits << llendl;
- break;
- }
- }
- // static
- LLAggregatePermissions::EPermIndex LLAggregatePermissions::perm2PermIndex(PermissionBit bit)
- {
- EPermIndex idx = PI_END; // past any good value.
- switch(bit)
- {
- case PERM_COPY:
- idx = PI_COPY;
- break;
- case PERM_MODIFY:
- idx = PI_MODIFY;
- break;
- case PERM_TRANSFER:
- idx = PI_TRANSFER;
- break;
- default:
- break;
- }
- return idx;
- }
- void LLAggregatePermissions::packMessage(LLMessageSystem* msg, const char* field) const
- {
- msg->addU8Fast(field, getU8());
- }
- void LLAggregatePermissions::unpackMessage(LLMessageSystem* msg, const char* block, const char* field, S32 block_num)
- {
- const U8 TWO_BITS = 0x3; // binary 00000011
- U8 bits = 0;
- msg->getU8Fast(block, field, bits, block_num);
- mBits[PI_COPY] = bits & TWO_BITS;
- bits >>= 2;
- mBits[PI_MODIFY] = bits & TWO_BITS;
- bits >>= 2;
- mBits[PI_TRANSFER] = bits & TWO_BITS;
- }
- const std::string AGGREGATE_VALUES[4] =
- {
- std::string( "Empty" ),
- std::string( "None" ),
- std::string( "Some" ),
- std::string( "All" )
- };
- std::ostream& operator<<(std::ostream &s, const LLAggregatePermissions &perm)
- {
- s << "{PI_COPY=" << AGGREGATE_VALUES[perm.mBits[LLAggregatePermissions::PI_COPY]];
- s << ", PI_MODIFY=" << AGGREGATE_VALUES[perm.mBits[LLAggregatePermissions::PI_MODIFY]];
- s << ", PI_TRANSFER=" << AGGREGATE_VALUES[perm.mBits[LLAggregatePermissions::PI_TRANSFER]];
- s << "}";
- return s;
- }
- // This converts a permissions mask into a string for debugging use.
- void mask_to_string(U32 mask, char* str)
- {
- if (mask & PERM_MOVE)
- {
- *str = 'V';
- }
- else
- {
- *str = ' ';
- }
- str++;
- if (mask & PERM_MODIFY)
- {
- *str = 'M';
- }
- else
- {
- *str = ' ';
- }
- str++;
-
- if (mask & PERM_COPY)
- {
- *str = 'C';
- }
- else
- {
- *str = ' ';
- }
- str++;
-
- if (mask & PERM_TRANSFER)
- {
- *str = 'T';
- }
- else
- {
- *str = ' ';
- }
- str++;
- *str = ' ';
- }
- std::string mask_to_string(U32 mask)
- {
- char str[16];
- mask_to_string(mask, str);
- return std::string(str);
- }
- ///----------------------------------------------------------------------------
- /// exported functions
- ///----------------------------------------------------------------------------
- static const std::string PERM_CREATOR_ID_LABEL("creator_id");
- static const std::string PERM_OWNER_ID_LABEL("owner_id");
- static const std::string PERM_LAST_OWNER_ID_LABEL("last_owner_id");
- static const std::string PERM_GROUP_ID_LABEL("group_id");
- static const std::string PERM_IS_OWNER_GROUP_LABEL("is_owner_group");
- static const std::string PERM_BASE_MASK_LABEL("base_mask");
- static const std::string PERM_OWNER_MASK_LABEL("owner_mask");
- static const std::string PERM_GROUP_MASK_LABEL("group_mask");
- static const std::string PERM_EVERYONE_MASK_LABEL("everyone_mask");
- static const std::string PERM_NEXT_OWNER_MASK_LABEL("next_owner_mask");
- LLSD ll_create_sd_from_permissions(const LLPermissions& perm)
- {
- LLSD rv;
- rv[PERM_CREATOR_ID_LABEL] = perm.getCreator();
- rv[PERM_OWNER_ID_LABEL] = perm.getOwner();
- rv[PERM_LAST_OWNER_ID_LABEL] = perm.getLastOwner();
- rv[PERM_GROUP_ID_LABEL] = perm.getGroup();
- rv[PERM_IS_OWNER_GROUP_LABEL] = perm.isGroupOwned();
- rv[PERM_BASE_MASK_LABEL] = (S32)perm.getMaskBase();
- rv[PERM_OWNER_MASK_LABEL] = (S32)perm.getMaskOwner();
- rv[PERM_GROUP_MASK_LABEL] = (S32)perm.getMaskGroup();
- rv[PERM_EVERYONE_MASK_LABEL] = (S32)perm.getMaskEveryone();
- rv[PERM_NEXT_OWNER_MASK_LABEL] = (S32)perm.getMaskNextOwner();
- return rv;
- }
- LLPermissions ll_permissions_from_sd(const LLSD& sd_perm)
- {
- LLPermissions rv;
- rv.init(
- sd_perm[PERM_CREATOR_ID_LABEL].asUUID(),
- sd_perm[PERM_OWNER_ID_LABEL].asUUID(),
- sd_perm[PERM_LAST_OWNER_ID_LABEL].asUUID(),
- sd_perm[PERM_GROUP_ID_LABEL].asUUID());
- // We do a cast to U32 here since LLSD does not attempt to
- // represent unsigned ints.
- PermissionMask mask;
- mask = (U32)(sd_perm[PERM_BASE_MASK_LABEL].asInteger());
- rv.setMaskBase(mask);
- mask = (U32)(sd_perm[PERM_OWNER_MASK_LABEL].asInteger());
- rv.setMaskOwner(mask);
- mask = (U32)(sd_perm[PERM_EVERYONE_MASK_LABEL].asInteger());
- rv.setMaskEveryone(mask);
- mask = (U32)(sd_perm[PERM_GROUP_MASK_LABEL].asInteger());
- rv.setMaskGroup(mask);
- mask = (U32)(sd_perm[PERM_NEXT_OWNER_MASK_LABEL].asInteger());
- rv.setMaskNext(mask);
- rv.fix();
- return rv;
- }