mirror of
https://github.com/ddnet/ddnet.git
synced 2024-11-19 14:38:18 +00:00
380 lines
9.1 KiB
C++
380 lines
9.1 KiB
C++
#include "updater.h"
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#include <base/system.h>
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#include <engine/engine.h>
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#include <engine/storage.h>
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#include <engine/client.h>
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#include <engine/external/json-parser/json.h>
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#include <game/version.h>
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#include <stdlib.h> // system
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using std::string;
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using std::map;
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class CUpdaterFetchTask : public CGetFile
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{
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char m_aBuf[256];
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char m_aBuf2[256];
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CUpdater *m_pUpdater;
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void OnCompletion();
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void OnProgress();
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public:
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CUpdaterFetchTask(CUpdater *pUpdater, const char *pFile, const char *pDestPath);
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};
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static const char *GetUpdaterUrl(char *pBuf, int BufSize, const char *pFile)
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{
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str_format(pBuf, BufSize, "https://update4.ddnet.tw/%s", pFile);
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return pBuf;
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}
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static const char *GetUpdaterDestPath(char *pBuf, int BufSize, const char *pFile, const char *pDestPath)
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{
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if(!pDestPath)
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{
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pDestPath = pFile;
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}
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str_format(pBuf, BufSize, "update/%s", pDestPath);
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return pBuf;
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}
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CUpdaterFetchTask::CUpdaterFetchTask(CUpdater *pUpdater, const char *pFile, const char *pDestPath) :
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CGetFile(pUpdater->m_pStorage, GetUpdaterUrl(m_aBuf, sizeof(m_aBuf), pFile), GetUpdaterDestPath(m_aBuf2, sizeof(m_aBuf), pFile, pDestPath), -2, false),
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m_pUpdater(pUpdater)
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{
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}
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void CUpdaterFetchTask::OnProgress()
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{
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lock_wait(m_pUpdater->m_Lock);
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str_copy(m_pUpdater->m_aStatus, Dest(), sizeof(m_pUpdater->m_aStatus));
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m_pUpdater->m_Percent = Progress();
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lock_unlock(m_pUpdater->m_Lock);
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}
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void CUpdaterFetchTask::OnCompletion()
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{
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const char *b = 0;
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for(const char *a = Dest(); *a; a++)
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if(*a == '/')
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b = a + 1;
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b = b ? b : Dest();
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if(!str_comp(b, "update.json"))
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{
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if(State() == HTTP_DONE)
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m_pUpdater->SetCurrentState(IUpdater::GOT_MANIFEST);
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else if(State() == HTTP_ERROR)
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m_pUpdater->SetCurrentState(IUpdater::FAIL);
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}
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else if(!str_comp(b, m_pUpdater->m_aLastFile))
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{
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if(State() == HTTP_DONE)
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m_pUpdater->SetCurrentState(IUpdater::MOVE_FILES);
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else if(State() == HTTP_ERROR)
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m_pUpdater->SetCurrentState(IUpdater::FAIL);
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}
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}
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CUpdater::CUpdater()
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{
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m_pClient = NULL;
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m_pStorage = NULL;
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m_pEngine = NULL;
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m_State = CLEAN;
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m_Percent = 0;
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m_Lock = lock_create();
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}
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void CUpdater::Init()
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{
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m_pClient = Kernel()->RequestInterface<IClient>();
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m_pStorage = Kernel()->RequestInterface<IStorage>();
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m_pEngine = Kernel()->RequestInterface<IEngine>();
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m_IsWinXP = os_is_winxp_or_lower();
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}
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CUpdater::~CUpdater()
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{
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lock_destroy(m_Lock);
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}
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void CUpdater::SetCurrentState(int NewState)
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{
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lock_wait(m_Lock);
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m_State = NewState;
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lock_unlock(m_Lock);
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}
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int CUpdater::GetCurrentState()
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{
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lock_wait(m_Lock);
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int Result = m_State;
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lock_unlock(m_Lock);
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return Result;
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}
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void CUpdater::GetCurrentFile(char *pBuf, int BufSize)
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{
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lock_wait(m_Lock);
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str_copy(pBuf, m_aStatus, BufSize);
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lock_unlock(m_Lock);
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}
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int CUpdater::GetCurrentPercent()
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{
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lock_wait(m_Lock);
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int Result = m_Percent;
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lock_unlock(m_Lock);
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return Result;
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}
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void CUpdater::FetchFile(const char *pFile, const char *pDestPath)
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{
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m_pEngine->AddJob(std::make_shared<CUpdaterFetchTask>(this, pFile, pDestPath));
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}
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bool CUpdater::MoveFile(const char *pFile)
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{
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char aBuf[256];
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size_t len = str_length(pFile);
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bool Success = true;
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#if !defined(CONF_FAMILY_WINDOWS)
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if(!str_comp_nocase(pFile + len - 4, ".dll"))
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return Success;
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#endif
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if(!str_comp_nocase(pFile + len - 4, ".dll") || !str_comp_nocase(pFile + len - 4, ".ttf"))
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{
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str_format(aBuf, sizeof(aBuf), "%s.old", pFile);
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Success &= m_pStorage->RenameBinaryFile(pFile, aBuf);
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str_format(aBuf, sizeof(aBuf), "update/%s", pFile);
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Success &= m_pStorage->RenameBinaryFile(aBuf, pFile);
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}
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else
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{
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str_format(aBuf, sizeof(aBuf), "update/%s", pFile);
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Success &= m_pStorage->RenameBinaryFile(aBuf, pFile);
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}
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return Success;
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}
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void CUpdater::Update()
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{
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switch(m_State)
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{
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case IUpdater::GOT_MANIFEST:
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PerformUpdate();
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break;
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case IUpdater::MOVE_FILES:
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CommitUpdate();
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break;
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default:
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return;
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}
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}
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void CUpdater::AddFileJob(const char *pFile, bool Job)
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{
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m_FileJobs[string(pFile)] = Job;
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}
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bool CUpdater::ReplaceClient()
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{
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dbg_msg("updater", "replacing " PLAT_CLIENT_EXEC);
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bool Success = true;
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// Replace running executable by renaming twice...
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if(!m_IsWinXP)
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{
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m_pStorage->RemoveBinaryFile("DDNet.old");
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Success &= m_pStorage->RenameBinaryFile(PLAT_CLIENT_EXEC, "DDNet.old");
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Success &= m_pStorage->RenameBinaryFile("update/DDNet.tmp", PLAT_CLIENT_EXEC);
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}
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#if !defined(CONF_FAMILY_WINDOWS)
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char aPath[512];
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m_pStorage->GetBinaryPath(PLAT_CLIENT_EXEC, aPath, sizeof aPath);
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char aBuf[512];
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str_format(aBuf, sizeof aBuf, "chmod +x %s", aPath);
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if(system(aBuf))
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{
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dbg_msg("updater", "ERROR: failed to set client executable bit");
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Success &= false;
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}
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#endif
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return Success;
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}
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bool CUpdater::ReplaceServer()
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{
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dbg_msg("updater", "replacing " PLAT_SERVER_EXEC);
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bool Success = true;
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//Replace running executable by renaming twice...
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m_pStorage->RemoveBinaryFile("DDNet-Server.old");
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Success &= m_pStorage->RenameBinaryFile(PLAT_SERVER_EXEC, "DDNet-Server.old");
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Success &= m_pStorage->RenameBinaryFile("update/DDNet-Server.tmp", PLAT_SERVER_EXEC);
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#if !defined(CONF_FAMILY_WINDOWS)
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char aPath[512];
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m_pStorage->GetBinaryPath(PLAT_SERVER_EXEC, aPath, sizeof aPath);
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char aBuf[512];
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str_format(aBuf, sizeof aBuf, "chmod +x %s", aPath);
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if (system(aBuf))
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{
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dbg_msg("updater", "ERROR: failed to set server executable bit");
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Success &= false;
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}
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#endif
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return Success;
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}
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void CUpdater::ParseUpdate()
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{
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char aPath[512];
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IOHANDLE File = m_pStorage->OpenFile(m_pStorage->GetBinaryPath("update/update.json", aPath, sizeof aPath), IOFLAG_READ, IStorage::TYPE_ALL);
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if(!File)
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return;
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char aBuf[4096*4];
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mem_zero(aBuf, sizeof (aBuf));
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io_read(File, aBuf, sizeof(aBuf));
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io_close(File);
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json_value *pVersions = json_parse(aBuf, sizeof(aBuf));
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if(pVersions && pVersions->type == json_array)
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{
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for(int i = 0; i < json_array_length(pVersions); i++)
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{
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const json_value *pTemp;
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const json_value *pCurrent = json_array_get(pVersions, i);
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if(str_comp(json_string_get(json_object_get(pCurrent, "version")), GAME_RELEASE_VERSION))
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{
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if(json_boolean_get(json_object_get(pCurrent, "client")))
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m_ClientUpdate = true;
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if(json_boolean_get(json_object_get(pCurrent, "server")))
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m_ServerUpdate = true;
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if((pTemp = json_object_get(pCurrent, "download"))->type == json_array)
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{
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for(int j = 0; j < json_array_length(pTemp); j++)
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AddFileJob(json_string_get(json_array_get(pTemp, j)), true);
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}
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if((pTemp = json_object_get(pCurrent, "remove"))->type == json_array)
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{
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for(int j = 0; j < json_array_length(pTemp); j++)
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AddFileJob(json_string_get(json_array_get(pTemp, j)), false);
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}
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}
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else
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break;
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}
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}
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}
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void CUpdater::InitiateUpdate()
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{
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m_State = GETTING_MANIFEST;
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FetchFile("update.json");
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}
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void CUpdater::PerformUpdate()
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{
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m_State = PARSING_UPDATE;
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dbg_msg("updater", "parsing update.json");
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ParseUpdate();
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m_State = DOWNLOADING;
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const char *aLastFile;
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aLastFile = "";
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for(map<string, bool>::reverse_iterator it = m_FileJobs.rbegin(); it != m_FileJobs.rend(); ++it)
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{
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if(it->second)
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{
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aLastFile = it->first.c_str();
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break;
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}
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}
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for(map<string, bool>::iterator it = m_FileJobs.begin(); it != m_FileJobs.end(); ++it)
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{
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if(it->second)
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{
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const char *pFile = it->first.c_str();
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size_t len = str_length(pFile);
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if(!str_comp_nocase(pFile + len - 4, ".dll"))
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{
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#if defined(CONF_FAMILY_WINDOWS)
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char aBuf[512];
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str_copy(aBuf, pFile, sizeof(aBuf)); // SDL
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str_copy(aBuf + len - 4, "-" PLAT_NAME, sizeof(aBuf) - len + 4); // -win32
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str_append(aBuf, pFile + len - 4, sizeof(aBuf)); // .dll
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FetchFile(aBuf, pFile);
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#endif
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// Ignore DLL downloads on other platforms, on Linux we statically link anyway
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}
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else
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{
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FetchFile(pFile);
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}
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aLastFile = pFile;
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}
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else
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m_pStorage->RemoveBinaryFile(it->first.c_str());
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}
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if(m_ServerUpdate)
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{
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FetchFile(PLAT_SERVER_DOWN, "DDNet-Server.tmp");
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aLastFile = "DDNet-Server.tmp";
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}
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if(m_ClientUpdate)
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{
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FetchFile(PLAT_CLIENT_DOWN, "DDNet.tmp");
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aLastFile = "DDNet.tmp";
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}
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str_copy(m_aLastFile, aLastFile, sizeof(m_aLastFile));
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}
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void CUpdater::CommitUpdate()
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{
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bool Success = true;
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for(map<std::string, bool>::iterator it = m_FileJobs.begin(); it != m_FileJobs.end(); ++it)
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if(it->second)
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Success &= MoveFile(it->first.c_str());
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if(m_ClientUpdate)
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Success &= ReplaceClient();
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if(m_ServerUpdate)
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Success &= ReplaceServer();
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if(!Success)
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m_State = FAIL;
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else if(m_pClient->State() == IClient::STATE_ONLINE || m_pClient->EditorHasUnsavedData())
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m_State = NEED_RESTART;
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else
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{
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if(!m_IsWinXP)
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m_pClient->Restart();
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else
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WinXpRestart();
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}
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}
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void CUpdater::WinXpRestart()
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{
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char aBuf[512];
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IOHANDLE bhFile = io_open(m_pStorage->GetBinaryPath("du.bat", aBuf, sizeof aBuf), IOFLAG_WRITE);
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if(!bhFile)
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return;
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char bBuf[512];
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str_format(bBuf, sizeof(bBuf), ":_R\r\ndel \"DDNet.exe\"\r\nif exist \"DDNet.exe\" goto _R\r\n:_T\r\nmove /y \"update\\DDNet.tmp\" \"DDNet.exe\"\r\nif not exist \"DDNet.exe\" goto _T\r\nstart DDNet.exe\r\ndel \"du.bat\"\r\n");
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io_write(bhFile, bBuf, str_length(bBuf));
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io_close(bhFile);
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shell_execute(aBuf);
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m_pClient->Quit();
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}
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