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| author | Felix Domke <tmbinc@elitedvb.net> | 2009-02-18 03:09:08 +0100 |
|---|---|---|
| committer | Felix Domke <tmbinc@elitedvb.net> | 2009-02-18 03:09:08 +0100 |
| commit | 166db5a9c9222c82939eede51d964c706039ebe8 (patch) | |
| tree | c843469d97216317ceb06a862fbefe891977b245 /lib | |
| parent | d58ca4cf34b7621aea4e2c1ff07bed6b2cd6b763 (diff) | |
| download | enigma2-166db5a9c9222c82939eede51d964c706039ebe8.tar.gz enigma2-166db5a9c9222c82939eede51d964c706039ebe8.zip | |
optional fuzzing support
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/dvb/demux.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/dvb/demux.cpp b/lib/dvb/demux.cpp index 918ecec6..11465186 100644 --- a/lib/dvb/demux.cpp +++ b/lib/dvb/demux.cpp @@ -5,6 +5,13 @@ #include <unistd.h> #include <signal.h> +// #define FUZZING 1 + +#if FUZZING + /* change every 1:FUZZING_PROPABILITY byte */ +#define FUZZING_PROPABILITY 100 +#endif + #if HAVE_DVB_API_VERSION < 3 #include <ost/dmx.h> @@ -178,6 +185,14 @@ void eDVBSectionReader::data(int) __u8 data[4096]; // max. section size int r; r = ::read(fd, data, 4096); +#if FUZZING + int j; + for (j = 0; j < r; ++j) + { + if (!(rand()%FUZZING_PROPABILITY)) + data[j] ^= rand(); + } +#endif if(r < 0) { eWarning("ERROR reading section - %m\n"); @@ -243,11 +258,13 @@ RESULT eDVBSectionReader::start(const eDVBSectionFilterMask &mask) #else sct.flags = DMX_IMMEDIATE_START; #endif +#if !FUZZING if (mask.flags & eDVBSectionFilterMask::rfCRC) { sct.flags |= DMX_CHECK_CRC; checkcrc = 1; } else +#endif checkcrc = 0; memcpy(sct.filter.filter, mask.data, DMX_FILTER_SIZE); |