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drdynvc: Prevent opening an already opened dynamic channel

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This commit is contained in:
Martin Fleisz 2021-12-02 14:37:07 +01:00
parent b008e83179
commit feda57a739
1 changed files with 27 additions and 0 deletions
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27
channels/drdynvc/client/drdynvc_main.c
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@ -212,6 +212,27 @@ static IWTSVirtualChannel* dvcman_find_channel_by_id(IWTSVirtualChannelManager*
return channel;
}
static IWTSVirtualChannel* dvcman_find_channel_by_name(IWTSVirtualChannelManager* pChannelMgr,
const char* name)
{
size_t index;
IWTSVirtualChannel* channel = NULL;
DVCMAN* dvcman = (DVCMAN*)pChannelMgr;
ArrayList_Lock(dvcman->channels);
for (index = 0; index < ArrayList_Count(dvcman->channels); index++)
{
DVCMAN_CHANNEL* cur = (DVCMAN_CHANNEL*)ArrayList_GetItem(dvcman->channels, index);
if (strcmp(cur->channel_name, name) == 0)
{
channel = &cur->iface;
break;
}
}
ArrayList_Unlock(dvcman->channels);
return channel;
}
static void dvcman_plugin_terminate(void* plugin)
{
IWTSPlugin* pPlugin = plugin;
@ -319,6 +340,12 @@ static DVCMAN_CHANNEL* dvcman_channel_new(drdynvcPlugin* drdynvc,
return NULL;
}
if (dvcman_find_channel_by_name(pChannelMgr, ChannelName))
{
WLog_Print(drdynvc->log, WLOG_ERROR, "Channel %s already open!", ChannelName);
return NULL;
}
channel = (DVCMAN_CHANNEL*)calloc(1, sizeof(DVCMAN_CHANNEL));
if (!channel)