Flawfinder version 2.0.10, (C) 2001-2019 David A. Wheeler. Number of rules (primarily dangerous function names) in C/C++ ruleset: 223 Examining data/solfege-3.23.4/solfege/soundcard/macro_to_function.h Examining data/solfege-3.23.4/solfege/soundcard/xmalloc.c Examining data/solfege-3.23.4/solfege/soundcard/macro_to_function.c Examining data/solfege-3.23.4/solfege/soundcard/fft.h Examining data/solfege-3.23.4/solfege/soundcard/gate.h Examining data/solfege-3.23.4/solfege/soundcard/fft.c Examining data/solfege-3.23.4/solfege/soundcard/calc.c Examining data/solfege-3.23.4/solfege/soundcard/solfege_c_midi.c Examining data/solfege-3.23.4/solfege/soundcard/xmalloc.h Examining data/solfege-3.23.4/solfege/soundcard/dsp.c Examining data/solfege-3.23.4/solfege/soundcard/gate.c Examining data/solfege-3.23.4/solfege/soundcard/dsp.h Examining data/solfege-3.23.4/solfege/soundcard/winmidi.c Examining data/solfege-3.23.4/solfege/soundcard/calc.h Examining data/solfege-3.23.4/test/seq.c FINAL RESULTS: data/solfege-3.23.4/solfege/soundcard/dsp.c:78:18: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). if( ( dev->fd = open( dev->dev_name, dev->o_mode | O_NONBLOCK ) ) == -1 ) { data/solfege-3.23.4/solfege/soundcard/dsp.c:322:4: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy( fftbuf + _config.fft_points - bread, audiobuf, bread ); data/solfege-3.23.4/solfege/soundcard/dsp.c:324:4: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy( fftbuf, audiobuf + bread - _config.fft_points, _config.fft_points ); data/solfege-3.23.4/solfege/soundcard/solfege_c_midi.c:100:8: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. static char _tmpbuf[100]; data/solfege-3.23.4/solfege/soundcard/winmidi.c:58:2: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char errBuffer[MAXERRORLENGTH]; data/solfege-3.23.4/solfege/soundcard/winmidi.c:65:2: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(errBuffer, "Unrecognized MIDI error occurred (%d).", val); data/solfege-3.23.4/solfege/soundcard/winmidi.c:68:2: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(errBuffer, "Invalid error parameter found while retrieving error %d.", val); data/solfege-3.23.4/solfege/soundcard/winmidi.c:71:2: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(errBuffer, "Unknown error occurred while retrieving error %d.", val); data/solfege-3.23.4/test/seq.c:29:22: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). if ((seqfd = open(SEQUENCER_DEV, O_WRONLY, 0)) < 0) { data/solfege-3.23.4/solfege/soundcard/dsp.c:214:8: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). if( read( dev->fd, dev->ptr, dev->buf_size ) == -1 ) data/solfege-3.23.4/solfege/soundcard/dsp.c:217:4: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). read( dev->fd, dev->ptr, carrier ); data/solfege-3.23.4/solfege/soundcard/solfege_c_midi.c:110:3: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(_tmpbuf, si.name, 99); ANALYSIS SUMMARY: Hits = 12 Lines analyzed = 2169 in approximately 0.25 seconds (8648 lines/second) Physical Source Lines of Code (SLOC) = 1544 Hits@level = [0] 15 [1] 3 [2] 9 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 27 [1+] 12 [2+] 9 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 17.487 [1+] 7.77202 [2+] 5.82902 [3+] 0 [4+] 0 [5+] 0 Dot directories skipped = 1 (--followdotdir overrides) Minimum risk level = 1 Not every hit is necessarily a security vulnerability. There may be other security vulnerabilities; review your code! See 'Secure Programming HOWTO' (https://dwheeler.com/secure-programs) for more information.