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/tuxguitar-1.2/TuxGuitar-AudioUnit/jni/org_herac_tuxguitar_player_impl_midiport_audiounit_MidiReceiverJNI.h Examining data/tuxguitar-1.2/TuxGuitar-AudioUnit/jni/org_herac_tuxguitar_player_impl_midiport_audiounit_MidiReceiverJNI.cpp Examining data/tuxguitar-1.2/TuxGuitar-alsa/jni/org_herac_tuxguitar_player_impl_midiport_alsa_MidiSystem.c Examining data/tuxguitar-1.2/TuxGuitar-alsa/jni/org_herac_tuxguitar_player_impl_midiport_alsa_MidiSystem.h Examining data/tuxguitar-1.2/TuxGuitar-winmm/jni/org_herac_tuxguitar_player_impl_midiport_winmm_MidiSystem.h Examining data/tuxguitar-1.2/TuxGuitar-winmm/jni/org_herac_tuxguitar_player_impl_midiport_winmm_MidiSystem.c Examining data/tuxguitar-1.2/TuxGuitar-carbon-integration/jni/org_herac_tuxguitar_carbon_opendoc_OpenDocJNI.h Examining data/tuxguitar-1.2/TuxGuitar-carbon-integration/jni/org_herac_tuxguitar_carbon_opendoc_OpenDocJNI.cpp Examining data/tuxguitar-1.2/TuxGuitar-CoreAudio/jni/org_herac_tuxguitar_player_impl_midiport_coreaudio_MidiReceiverJNI.h Examining data/tuxguitar-1.2/TuxGuitar-CoreAudio/jni/org_herac_tuxguitar_player_impl_midiport_coreaudio_MidiReceiverJNI.cpp Examining data/tuxguitar-1.2/TuxGuitar-fluidsynth/jni/org_herac_tuxguitar_player_impl_midiport_fluidsynth_MidiSynth.h Examining data/tuxguitar-1.2/TuxGuitar-fluidsynth/jni/org_herac_tuxguitar_player_impl_midiport_fluidsynth_MidiSynth.c Examining data/tuxguitar-1.2/TuxGuitar-jack/jni/org_herac_tuxguitar_jack_JackClient.h Examining data/tuxguitar-1.2/TuxGuitar-jack/jni/org_herac_tuxguitar_jack_JackClient.c Examining data/tuxguitar-1.2/TuxGuitar-oss/jni/org_herac_tuxguitar_player_impl_midiport_oss_MidiSystem.c Examining data/tuxguitar-1.2/TuxGuitar-oss/jni/org_herac_tuxguitar_player_impl_midiport_oss_MidiSystem.h FINAL RESULTS: data/tuxguitar-1.2/TuxGuitar-alsa/jni/org_herac_tuxguitar_player_impl_midiport_alsa_MidiSystem.c:20:2: [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(&ptr, &handle, sizeof( handle )); data/tuxguitar-1.2/TuxGuitar-fluidsynth/jni/org_herac_tuxguitar_player_impl_midiport_fluidsynth_MidiSynth.c:45:2: [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(&ptr, &handle, sizeof( handle )); data/tuxguitar-1.2/TuxGuitar-jack/jni/org_herac_tuxguitar_jack_JackClient.c:46:2: [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(&ptr, &handle, sizeof( handle )); data/tuxguitar-1.2/TuxGuitar-jack/jni/org_herac_tuxguitar_jack_JackClient.c:127:6: [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 port_name[50]; data/tuxguitar-1.2/TuxGuitar-jack/jni/org_herac_tuxguitar_jack_JackClient.c:128:6: [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( port_name , "Output Port %d", index ); data/tuxguitar-1.2/TuxGuitar-oss/jni/org_herac_tuxguitar_player_impl_midiport_oss_MidiSystem.c:22:2: [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(&ptr, &handle, sizeof( handle )); data/tuxguitar-1.2/TuxGuitar-oss/jni/org_herac_tuxguitar_player_impl_midiport_oss_MidiSystem.c:45:22: [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 (( handle->fd = open (device, O_WRONLY)) == -1) data/tuxguitar-1.2/TuxGuitar-oss/jni/org_herac_tuxguitar_player_impl_midiport_oss_MidiSystem.c:120:12: [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. unsigned char packet[4] = {SEQ_MIDIPUTC, 0, handle->port, 1}; data/tuxguitar-1.2/TuxGuitar-oss/jni/org_herac_tuxguitar_player_impl_midiport_oss_MidiSystem.c:136:12: [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. unsigned char packet[4] = {SEQ_MIDIPUTC, 0, handle->port, 0}; data/tuxguitar-1.2/TuxGuitar-oss/jni/org_herac_tuxguitar_player_impl_midiport_oss_MidiSystem.c:152:12: [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. unsigned char packet[4] = {SEQ_MIDIPUTC, 0, handle->port, 0}; data/tuxguitar-1.2/TuxGuitar-oss/jni/org_herac_tuxguitar_player_impl_midiport_oss_MidiSystem.c:166:12: [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. unsigned char packet[4] = {SEQ_MIDIPUTC, 0, handle->port, 0}; data/tuxguitar-1.2/TuxGuitar-oss/jni/org_herac_tuxguitar_player_impl_midiport_oss_MidiSystem.c:182:12: [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. unsigned char packet[4] = {SEQ_MIDIPUTC, 0, handle->port, 0}; data/tuxguitar-1.2/TuxGuitar-winmm/jni/org_herac_tuxguitar_player_impl_midiport_winmm_MidiSystem.c:19:2: [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(&ptr, &handle, sizeof( handle )); data/tuxguitar-1.2/TuxGuitar-winmm/jni/org_herac_tuxguitar_player_impl_midiport_winmm_MidiSystem.c:45:67: [1] (buffer) wcslen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). jstring name = (*env)->NewString( env, (jchar*)moc.szPname , wcslen( moc.szPname ) ); ANALYSIS SUMMARY: Hits = 14 Lines analyzed = 2877 in approximately 0.27 seconds (10693 lines/second) Physical Source Lines of Code (SLOC) = 1880 Hits@level = [0] 9 [1] 1 [2] 13 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 23 [1+] 14 [2+] 13 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 12.234 [1+] 7.44681 [2+] 6.91489 [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.