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Diffstat (limited to 'lib/backupstore/BackupStoreAccounts.cpp')
| -rw-r--r-- | lib/backupstore/BackupStoreAccounts.cpp | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/lib/backupstore/BackupStoreAccounts.cpp b/lib/backupstore/BackupStoreAccounts.cpp new file mode 100644 index 00000000..1b82a580 --- /dev/null +++ b/lib/backupstore/BackupStoreAccounts.cpp @@ -0,0 +1,200 @@ +// distribution boxbackup-0.10 (svn version: 494) +// +// Copyright (c) 2003 - 2006 +// Ben Summers and contributors. 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 use of this software and associated advertising materials must +// display the following acknowledgment: +// This product includes software developed by Ben Summers. +// 4. The names of the Authors may not be used to endorse or promote +// products derived from this software without specific prior written +// permission. +// +// [Where legally impermissible the Authors do not disclaim liability for +// direct physical injury or death caused solely by defects in the software +// unless it is modified by a third party.] +// +// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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. +// +// +// +// -------------------------------------------------------------------------- +// +// File +// Name: BackupStoreAccounts.cpp +// Purpose: Account management for backup store server +// Created: 2003/08/21 +// +// -------------------------------------------------------------------------- + +#include "Box.h" + +#include <stdio.h> + +#include "BoxPortsAndFiles.h" +#include "BackupStoreAccounts.h" +#include "BackupStoreAccountDatabase.h" +#include "RaidFileWrite.h" +#include "BackupStoreInfo.h" +#include "BackupStoreDirectory.h" +#include "BackupStoreConstants.h" +#include "UnixUser.h" + +#include "MemLeakFindOn.h" + +// -------------------------------------------------------------------------- +// +// Function +// Name: BackupStoreAccounts::BackupStoreAccounts(BackupStoreAccountDatabase &) +// Purpose: Constructor +// Created: 2003/08/21 +// +// -------------------------------------------------------------------------- +BackupStoreAccounts::BackupStoreAccounts(BackupStoreAccountDatabase &rDatabase) + : mrDatabase(rDatabase) +{ +} + +// -------------------------------------------------------------------------- +// +// Function +// Name: BackupStoreAccounts::~BackupStoreAccounts() +// Purpose: Destructor +// Created: 2003/08/21 +// +// -------------------------------------------------------------------------- +BackupStoreAccounts::~BackupStoreAccounts() +{ +} + + + +// -------------------------------------------------------------------------- +// +// Function +// Name: BackupStoreAccounts::Create(int32_t, int, int64_t, int64_t, const std::string &) +// Purpose: Create a new account on the specified disc set. +// If rAsUsername is not empty, then the account information will be written under the +// username specified. +// Created: 2003/08/21 +// +// -------------------------------------------------------------------------- +void BackupStoreAccounts::Create(int32_t ID, int DiscSet, int64_t SizeSoftLimit, int64_t SizeHardLimit, const std::string &rAsUsername) +{ + { + // Become the user specified in the config file? + std::auto_ptr<UnixUser> user; + if(!rAsUsername.empty()) + { + // Username specified, change... + user.reset(new UnixUser(rAsUsername.c_str())); + user->ChangeProcessUser(true /* temporary */); + // Change will be undone at the end of this function + } + + // Get directory name + std::string dirName(MakeAccountRootDir(ID, DiscSet)); + + // Create a directory on disc + RaidFileWrite::CreateDirectory(DiscSet, dirName, true /* recursive */); + + // Create an info file + BackupStoreInfo::CreateNew(ID, dirName, DiscSet, SizeSoftLimit, SizeHardLimit); + + // And an empty directory + BackupStoreDirectory rootDir(BACKUPSTORE_ROOT_DIRECTORY_ID, BACKUPSTORE_ROOT_DIRECTORY_ID); + int64_t rootDirSize = 0; + // Write it, knowing the directory scheme + { + RaidFileWrite rf(DiscSet, dirName + "o01"); + rf.Open(); + rootDir.WriteToStream(rf); + rootDirSize = rf.GetDiscUsageInBlocks(); + rf.Commit(true); + } + + // Update the store info to reflect the size of the root directory + std::auto_ptr<BackupStoreInfo> info(BackupStoreInfo::Load(ID, dirName, DiscSet, false /* ReadWrite */)); + info->ChangeBlocksUsed(rootDirSize); + info->ChangeBlocksInDirectories(rootDirSize); + + // Save it back + info->Save(); + } + + // As the original user... + + // Create the entry in the database + mrDatabase.AddEntry(ID, DiscSet); + + // Write the database back + mrDatabase.Write(); +} + + +// -------------------------------------------------------------------------- +// +// Function +// Name: BackupStoreAccounts::GetAccountRoot(int32_t, std::string &, int &) +// Purpose: Gets the root of an account, returning the info via references +// Created: 2003/08/21 +// +// -------------------------------------------------------------------------- +void BackupStoreAccounts::GetAccountRoot(int32_t ID, std::string &rRootDirOut, int &rDiscSetOut) const +{ + // Find the account + const BackupStoreAccountDatabase::Entry &en(mrDatabase.GetEntry(ID)); + + rRootDirOut = MakeAccountRootDir(ID, en.GetDiscSet()); + rDiscSetOut = en.GetDiscSet(); +} + + +// -------------------------------------------------------------------------- +// +// Function +// Name: BackupStoreAccounts::MakeAccountRootDir(int32_t, int) +// Purpose: Private. Generates a root directory name for the account +// Created: 2003/08/21 +// +// -------------------------------------------------------------------------- +std::string BackupStoreAccounts::MakeAccountRootDir(int32_t ID, int DiscSet) const +{ + char accid[64]; // big enough! + ::sprintf(accid, "%08x/", ID); + return std::string(std::string(BOX_RAIDFILE_ROOT_BBSTORED DIRECTORY_SEPARATOR) + accid); +} + + +// -------------------------------------------------------------------------- +// +// Function +// Name: BackupStoreAccounts::AccountExists(int32_t) +// Purpose: Does an account exist? +// Created: 2003/08/21 +// +// -------------------------------------------------------------------------- +bool BackupStoreAccounts::AccountExists(int32_t ID) +{ + return mrDatabase.EntryExists(ID); +} + + |