diff options
| author | Kirill Volinsky <mataes2007@gmail.com> | 2012-07-20 16:21:49 +0000 |
|---|---|---|
| committer | Kirill Volinsky <mataes2007@gmail.com> | 2012-07-20 16:21:49 +0000 |
| commit | f424a18112032cf61d2871a6b91a5af607c171ae (patch) | |
| tree | 88fedc4e28941ceecda7026f0b06eba6271f91d5 /plugins/CryptoPP/src/cpp_cntx.cpp | |
| parent | bfe1bd0fc087be44c70904aee0fe4276643d206d (diff) | |
CryptoPP:
changed folder structure
git-svn-id: http://svn.miranda-ng.org/main/trunk@1083 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/CryptoPP/src/cpp_cntx.cpp')
| -rw-r--r-- | plugins/CryptoPP/src/cpp_cntx.cpp | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/plugins/CryptoPP/src/cpp_cntx.cpp b/plugins/CryptoPP/src/cpp_cntx.cpp new file mode 100644 index 0000000000..72c35dcc96 --- /dev/null +++ b/plugins/CryptoPP/src/cpp_cntx.cpp @@ -0,0 +1,184 @@ +#include "commonheaders.h"
+
+
+list<pCNTX> CL; // CL.size() CL.empty()
+
+HANDLE thread_timeout = 0;
+
+unsigned __stdcall sttTimeoutThread(LPVOID);
+
+
+// get context data on context id
+pCNTX get_context_on_id(HANDLE context) {
+
+ if ( !thread_timeout ) {
+ unsigned int tID;
+ thread_timeout = (HANDLE) _beginthreadex(NULL, 0, sttTimeoutThread, NULL, 0, &tID);
+ }
+
+ if ( context ) {
+ pCNTX cntx = (pCNTX) context;
+ if ( cntx->header == HEADER && cntx->footer == FOOTER )
+ return cntx;
+#if defined(_DEBUG) || defined(NETLIB_LOG)
+ else
+ Sent_NetLog("get_context_on_id: corrupted context %08X", cntx);
+#endif
+ }
+ return NULL;
+}
+
+/*
+pCNTX get_context_on_id(HANDLE context) {
+ return get_context_on_id((int)context);
+}
+*/
+
+// create context, return context id
+HANDLE __cdecl cpp_create_context(int mode) {
+
+ list<pCNTX>::iterator i;
+ pCNTX cntx = NULL;
+
+ EnterCriticalSection(&localContextMutex);
+
+ if ( !CL.empty() ) {
+ for(i=CL.begin(); i!=CL.end(); ++i) { // ищем пустой
+ if ( (*i)->header==EMPTYH && (*i)->footer==EMPTYH ) {
+ cntx = (pCNTX) *i;
+ break;
+ }
+ }
+ }
+
+ if ( !cntx ) { // не нашли - создаем новый
+ cntx = (pCNTX) malloc(sizeof(CNTX));
+ CL.push_back(cntx); // добавили в конец списка
+ }
+
+ memset(cntx,0,sizeof(CNTX)); // очищаем выделенный блок
+ cntx->header = HEADER;
+ cntx->footer = FOOTER;
+ cntx->mode = mode;
+
+ LeaveCriticalSection(&localContextMutex);
+
+ return (HANDLE)cntx;
+}
+
+
+// delete context
+void __cdecl cpp_delete_context(HANDLE context) {
+
+ pCNTX tmp = get_context_on_id(context);
+ if (tmp) { // помечаем на удаление
+ tmp->deleted = gettime()+10; // будет удален через 10 секунд
+ }
+}
+
+
+// reset context
+void __cdecl cpp_reset_context(HANDLE context) {
+
+ pCNTX tmp = get_context_on_id(context);
+ if (tmp) cpp_free_keys(tmp);
+}
+
+
+// allocate pdata
+PBYTE cpp_alloc_pdata(pCNTX ptr) {
+ if ( !ptr->pdata ) {
+ if ( ptr->mode & MODE_PGP ) {
+ ptr->pdata = (PBYTE) malloc(sizeof(PGPDATA));
+ memset(ptr->pdata,0,sizeof(PGPDATA));
+ }
+ else
+ if ( ptr->mode & MODE_GPG ) {
+ ptr->pdata = (PBYTE) malloc(sizeof(GPGDATA));
+ memset(ptr->pdata,0,sizeof(GPGDATA));
+ }
+ else
+ if ( ptr->mode & MODE_RSA ) {
+ rsa_alloc(ptr);
+ }
+ else {
+ ptr->pdata = (PBYTE) malloc(sizeof(SIMDATA));
+ memset(ptr->pdata,0,sizeof(SIMDATA));
+ }
+ }
+ return ptr->pdata;
+}
+
+
+// free memory from keys
+void cpp_free_keys(pCNTX ptr) {
+
+ SAFE_FREE(ptr->tmp);
+ cpp_alloc_pdata(ptr);
+ if ( ptr->mode & MODE_PGP ) {
+ pPGPDATA p = (pPGPDATA) ptr->pdata;
+ SAFE_FREE(p->pgpKeyID);
+ SAFE_FREE(p->pgpKey);
+ SAFE_FREE(ptr->pdata);
+ }
+ else
+ if ( ptr->mode & MODE_GPG ) {
+ pGPGDATA p = (pGPGDATA) ptr->pdata;
+ SAFE_FREE(p->gpgKeyID);
+ SAFE_FREE(ptr->pdata);
+ }
+ else
+ if ( ptr->mode & MODE_RSA ) {
+ rsa_free(ptr);
+ SAFE_DELETE(ptr->pdata);
+ }
+ else {
+ pSIMDATA p = (pSIMDATA) ptr->pdata;
+ SAFE_FREE(p->PubA);
+ SAFE_FREE(p->KeyA);
+ SAFE_FREE(p->KeyB);
+ SAFE_FREE(p->KeyX);
+ SAFE_FREE(p->KeyP);
+ SAFE_DELETE(p->dh);
+ SAFE_FREE(ptr->pdata);
+ }
+}
+
+
+// search not established RSA/AES contexts && clear deleted contexts
+unsigned __stdcall sttTimeoutThread( LPVOID ) {
+
+ list<pCNTX>::iterator i;
+ while(1) {
+ Sleep( 1000 ); // раз в секунду
+ if ( CL.empty() ) continue;
+ u_int time = gettime();
+ // пробегаем все контексты
+ EnterCriticalSection(&localContextMutex);
+ for(i=CL.begin(); i!=CL.end(); ++i) {
+ pCNTX tmp = *i;
+ if ( tmp->header!=HEADER || tmp->footer!=FOOTER ) continue;
+ // пропускаем приватные ключи
+ if ( tmp->mode&MODE_PRIV_KEY ) continue;
+ else
+ if ( tmp->deleted && tmp->deleted < time ) {
+ // удалить помеченный для удаления контекст
+ cpp_free_keys(tmp);
+ tmp->deleted = 0;
+ tmp->header = tmp->footer = EMPTYH;
+ }
+ else
+ if ( tmp->mode&MODE_RSA && tmp->pdata ) {
+ // проверяем не протухло ли соединение
+ pRSADATA p = (pRSADATA) tmp->pdata;
+ if ( p->time && p->time < time ) {
+ rsa_timeout((HANDLE)tmp,p);
+ }
+ }
+ } // for
+ LeaveCriticalSection(&localContextMutex);
+ } //while
+}
+
+
+// EOF
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