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- eitd: fix possible buffer overflow while writing egp-data (patch by FlatTV)

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This commit is contained in:
svenhoefer
2012-05-24 21:06:28 +02:00
parent 95231fa41d
commit 4eeca53fd6
2 changed files with 14 additions and 17 deletions
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23
src/eitd/xmlutil.cpp
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@@ -448,24 +448,23 @@ static void write_indexxml_footer(FILE *fd)
void writeEventsToFile(char *epgdir)
{
FILE * indexfile = NULL;
FILE * eventfile =NULL;
char filename[100] = "";
char tmpname[100] = "";
FILE * eventfile = NULL;
std::string filename("");
std::string tmpname("");
char eventname[17] = "";
t_original_network_id onid = 0;
t_transport_stream_id tsid = 0;
t_service_id sid = 0;
deleteOldfileEvents(epgdir);
tmpname = (std::string)epgdir + "/index.tmp";
sprintf(tmpname, "%s/index.tmp", epgdir);
if (!(indexfile = fopen(tmpname, "w"))) {
printf("[sectionsd] unable to open %s for writing\n", tmpname);
if (!(indexfile = fopen(tmpname.c_str(), "w"))) {
printf("[sectionsd] unable to open %s for writing\n", tmpname.c_str());
return;
}
printf("[sectionsd] Writing Information to file: %s\n", tmpname);
printf("[sectionsd] Writing Information to file: %s\n", tmpname.c_str());
write_index_xml_header(indexfile);
@@ -483,8 +482,8 @@ void writeEventsToFile(char *epgdir)
tsid = (*e)->transport_stream_id;
sid = (*e)->service_id;
snprintf(eventname, 17, "%04x%04x%04x.xml", onid, tsid, sid);
sprintf(filename, "%s/%s", epgdir, eventname);
if (!(eventfile = fopen(filename, "w"))) {
filename = (std::string)epgdir + "/" + (std::string)eventname;
if (!(eventfile = fopen(filename.c_str(), "w"))) {
goto _done;
}
fprintf(indexfile, "\t<eventfile name=\"%s\"/>\n", eventname);
@@ -501,9 +500,9 @@ _done:
printf("[sectionsd] Writing Information finished\n");
sprintf(filename, "%s/index.xml", epgdir);
filename = (std::string)epgdir + "/index.xml";
rename(tmpname, filename);
rename(tmpname.c_str(), filename.c_str());
return ;
}