diff options
| author | George Hazan <ghazan@miranda.im> | 2021-04-22 11:58:32 +0300 |
|---|---|---|
| committer | George Hazan <ghazan@miranda.im> | 2021-04-22 11:58:32 +0300 |
| commit | be650befc9af221dd8b85940e6919c3ef97bc13b (patch) | |
| tree | d794a6067d57de7465d4259a2d993d5e7f0beb0e /plugins/Variables/src | |
| parent | 7e78fedfc9565202902d7b4c8facc96ceab988ee (diff) | |
Variables: if the service being called doesn't exist, passing CALLSERVICE_NOTFOUND to mir_free() causes heavy memory corruption
Diffstat (limited to 'plugins/Variables/src')
| -rw-r--r-- | plugins/Variables/src/tokenregister.cpp | 10 | ||||
| -rw-r--r-- | plugins/Variables/src/version.h | 2 |
2 files changed, 9 insertions, 3 deletions
diff --git a/plugins/Variables/src/tokenregister.cpp b/plugins/Variables/src/tokenregister.cpp index 8a197815eb..327df5f475 100644 --- a/plugins/Variables/src/tokenregister.cpp +++ b/plugins/Variables/src/tokenregister.cpp @@ -177,8 +177,11 @@ wchar_t *parseFromRegister(ARGUMENTSINFO *ai) if (thisVr->flags & TRF_PARSEFUNC)
callRes = (INT_PTR)thisVr->parseFunction(&cAi);
- else if (thisVr->szService != nullptr)
+ else if (thisVr->szService != nullptr) {
callRes = CallService(thisVr->szService, 0, (LPARAM)&cAi);
+ if (callRes == CALLSERVICE_NOTFOUND)
+ callRes = 0;
+ }
for (unsigned j = 0; j < cAi.argc; j++)
mir_free(cAi.argv.a[j]);
@@ -190,8 +193,11 @@ wchar_t *parseFromRegister(ARGUMENTSINFO *ai) // unicode variables calls unicode plugin
if (thisVr->flags & TRF_PARSEFUNC)
callRes = (INT_PTR)thisVr->parseFunctionW(ai);
- else if (thisVr->szService != nullptr)
+ else if (thisVr->szService != nullptr) {
callRes = CallService(thisVr->szService, 0, (LPARAM)ai);
+ if (callRes == CALLSERVICE_NOTFOUND)
+ callRes = 0;
+ }
if ((wchar_t*)callRes != nullptr)
res = mir_wstrdup((wchar_t*)callRes);
diff --git a/plugins/Variables/src/version.h b/plugins/Variables/src/version.h index a002618d9a..192c5c8387 100644 --- a/plugins/Variables/src/version.h +++ b/plugins/Variables/src/version.h @@ -1,7 +1,7 @@ #define __MAJOR_VERSION 0 #define __MINOR_VERSION 2 #define __RELEASE_NUM 3 -#define __BUILD_NUM 11 +#define __BUILD_NUM 12 #include <stdver.h> |