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fix AddressSanitizer: strncpy-param-overlap: memory ranges

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This commit is contained in:
Jacek Jendrzej
2016-02-24 18:46:12 +01:00
parent c6207d1cff
commit d96f15fb6c
3 changed files with 50 additions and 29 deletions
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34
src/daemonc/remotecontrol.cpp
View File

@@ -507,24 +507,30 @@ void CRemoteControl::processAPIDnames()
{
has_unresolved_ctags= true;
}
if ( strlen( current_PIDs.APIDs[count].desc ) == 3 )
std::string tmp_desc = current_PIDs.APIDs[count].desc;
if ( tmp_desc.size() == 3 )
{
// unaufgeloeste Sprache...
strcpy( current_PIDs.APIDs[count].desc, getISO639Description( current_PIDs.APIDs[count].desc ) );
tmp_desc = getISO639Description( current_PIDs.APIDs[count].desc );
}
if ( current_PIDs.APIDs[count].is_ac3 )
{
if(!strstr(current_PIDs.APIDs[count].desc, " (AC3)"))
strncat(current_PIDs.APIDs[count].desc, " (AC3)", DESC_MAX_LEN - strlen(current_PIDs.APIDs[count].desc)-1);
tmp_desc += " (AC3)";
has_ac3 = true;
if(g_settings.audio_DolbyDigital && (ac3_found < 0))
ac3_found = count;
}
else if (current_PIDs.APIDs[count].is_aac && !strstr(current_PIDs.APIDs[count].desc, " (AAC)"))
strncat(current_PIDs.APIDs[count].desc, " (AAC)", DESC_MAX_LEN - strlen(current_PIDs.APIDs[count].desc)-1);
tmp_desc += " (AAC)";
else if (current_PIDs.APIDs[count].is_eac3 && !strstr(current_PIDs.APIDs[count].desc, " (EAC3)"))
strncat(current_PIDs.APIDs[count].desc, " (EAC3)", DESC_MAX_LEN - strlen(current_PIDs.APIDs[count].desc)-1);
tmp_desc += " (EAC3)";
if(!tmp_desc.empty()){
strncpy(current_PIDs.APIDs[count].desc, tmp_desc.c_str(), DESC_MAX_LEN -1);
}
}
if ( has_unresolved_ctags )
@@ -545,13 +551,17 @@ void CRemoteControl::processAPIDnames()
// workaround for buggy ZDF ctags / or buggy sectionsd/drivers , who knows...
if(!tags[i].component.empty())
{
strncpy(current_PIDs.APIDs[j].desc, tags[i].component.c_str(), DESC_MAX_LEN-1);
if (current_PIDs.APIDs[j].is_ac3 && !strstr(current_PIDs.APIDs[j].desc, " (AC3)"))
strncat(current_PIDs.APIDs[j].desc, " (AC3)", DESC_MAX_LEN - strlen(current_PIDs.APIDs[j].desc)-1);
else if (current_PIDs.APIDs[j].is_aac && !strstr(current_PIDs.APIDs[j].desc, " (AAC)"))
strncat(current_PIDs.APIDs[j].desc, " (AAC)", DESC_MAX_LEN - strlen(current_PIDs.APIDs[j].desc)-1);
else if (current_PIDs.APIDs[j].is_eac3 && !strstr(current_PIDs.APIDs[j].desc, " (EAC3)"))
strncat(current_PIDs.APIDs[j].desc, " (EAC3)", DESC_MAX_LEN - strlen(current_PIDs.APIDs[j].desc)-1);
std::string tmp_desc2 = tags[i].component.c_str();
if (current_PIDs.APIDs[j].is_ac3 && tmp_desc2.find(" (AC3)"))
tmp_desc2 += " (AC3)";
else if (current_PIDs.APIDs[j].is_aac && tmp_desc2.find(" (AAC)"))
tmp_desc2 += " (AAC)";
else if (current_PIDs.APIDs[j].is_eac3 && tmp_desc2.find(" (EAC3)"))
tmp_desc2 += " (EAC3)";
if(!tmp_desc2.empty()){
strncpy(current_PIDs.APIDs[j].desc, tmp_desc2.c_str(), DESC_MAX_LEN -1);
}
}
current_PIDs.APIDs[j].component_tag = -1;
break;

40
src/driver/record.cpp
View File

@@ -395,15 +395,20 @@ void CRecordInstance::ProcessAPIDnames()
if (allpids.APIDs[count].component_tag != 0xFF)
has_unresolved_ctags= true;
if ( strlen( allpids.APIDs[count].desc ) == 3 )
strncpy( allpids.APIDs[count].desc, getISO639Description( allpids.APIDs[count].desc ),DESC_MAX_LEN -1 );
std::string tmp_desc = allpids.APIDs[count].desc;
if ( strlen( allpids.APIDs[count].desc ) == 3 ){
tmp_desc = getISO639Description( allpids.APIDs[count].desc );
}
if ( allpids.APIDs[count].is_ac3 && !strstr(allpids.APIDs[count].desc, " (AC3)"))
strncat(allpids.APIDs[count].desc, " (AC3)", DESC_MAX_LEN - strlen(allpids.APIDs[count].desc) -1);
else if (allpids.APIDs[count].is_aac && !strstr(allpids.APIDs[count].desc, " (AAC)"))
strncat(allpids.APIDs[count].desc, " (AAC)", DESC_MAX_LEN - strlen(allpids.APIDs[count].desc) -1);
else if (allpids.APIDs[count].is_eac3 && !strstr(allpids.APIDs[count].desc, " (EAC3)"))
strncat(allpids.APIDs[count].desc, " (EAC3)", DESC_MAX_LEN - strlen(allpids.APIDs[count].desc) -1);
if ( allpids.APIDs[count].is_ac3 && tmp_desc.find(" (AC3)"))
tmp_desc += " (AC3)";
else if (allpids.APIDs[count].is_aac && tmp_desc.find(" (AAC)"))
tmp_desc += " (AAC)";
else if (allpids.APIDs[count].is_eac3 && tmp_desc.find(" (EAC3)"))
tmp_desc += " (EAC3)";
if(!tmp_desc.empty()){
strncpy( allpids.APIDs[count].desc, tmp_desc.c_str(),DESC_MAX_LEN -1) ;
}
}
if(has_unresolved_ctags && (epgid != 0)) {
@@ -413,13 +418,18 @@ void CRecordInstance::ProcessAPIDnames()
for(unsigned int j=0; j< allpids.APIDs.size(); j++) {
if(allpids.APIDs[j].component_tag == tags[i].componentTag) {
if(!tags[i].component.empty()) {
strncpy(allpids.APIDs[j].desc, tags[i].component.c_str(), DESC_MAX_LEN -1);
if (allpids.APIDs[j].is_ac3 && !strstr(allpids.APIDs[j].desc, " (AC3)"))
strncat(allpids.APIDs[j].desc, " (AC3)", DESC_MAX_LEN - strlen(allpids.APIDs[j].desc)-1);
else if (allpids.APIDs[j].is_aac && !strstr(allpids.APIDs[j].desc, " (AAC)"))
strncat(allpids.APIDs[j].desc, " (AAC)", DESC_MAX_LEN - strlen(allpids.APIDs[j].desc)-1);
else if (allpids.APIDs[j].is_eac3 && !strstr(allpids.APIDs[j].desc, " (EAC3)"))
strncat(allpids.APIDs[j].desc, " (EAC3)", DESC_MAX_LEN - strlen(allpids.APIDs[j].desc)-1);
std::string tmp_desc2;
tmp_desc2 = tags[i].component;
if (allpids.APIDs[j].is_ac3 && tmp_desc2.find(" (AC3)"))
tmp_desc2 += " (AC3)";
else if (allpids.APIDs[j].is_aac && tmp_desc2.find(" (AAC)"))
tmp_desc2 += " (AAC)";
else if (allpids.APIDs[j].is_eac3 && tmp_desc2.find(" (EAC3)"))
tmp_desc2 += " (EAC3)";
if(!tmp_desc2.empty()){
strncpy(allpids.APIDs[j].desc, tmp_desc2.c_str(), DESC_MAX_LEN -1);
}
}
allpids.APIDs[j].component_tag = -1;
break;

5
src/nhttpd/tuxboxapi/controlapi.cpp
View File

@@ -2216,11 +2216,12 @@ void CControlAPI::SendAllCurrentVAPid(CyhookHandler *hh)
}
else
{
std::string tmp_desc = pids.APIDs[j].desc;
if(!(init_iso))
{
strncpy( pids.APIDs[j].desc, _getISO639Description( pids.APIDs[j].desc ),DESC_MAX_LEN );
tmp_desc = _getISO639Description( pids.APIDs[j].desc );
}
hh->printf("%05u %s %s\n",pids.APIDs[j].pid,pids.APIDs[j].desc,pids.APIDs[j].is_ac3 ? " (AC3)": pids.APIDs[j].desc,pids.APIDs[j].is_aac ? "(AAC)" : pids.APIDs[j].desc,pids.APIDs[j].is_eac3 ? "(EAC3)" : " ");
hh->printf("%05u %s %s\n",pids.APIDs[j].pid,tmp_desc.c_str(),pids.APIDs[j].is_ac3 ? " (AC3)": tmp_desc.c_str(),pids.APIDs[j].is_aac ? "(AAC)" : tmp_desc.c_str(),pids.APIDs[j].is_eac3 ? "(EAC3)" : " ");
}
eit_not_ok=false;
break;