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/achilles-2/acconfig.h Examining data/achilles-2/angle.cc Examining data/achilles-2/angle.h Examining data/achilles-2/braininfo.cc Examining data/achilles-2/braininfo.h Examining data/achilles-2/color.cc Examining data/achilles-2/color.h Examining data/achilles-2/conf.h Examining data/achilles-2/defines.h Examining data/achilles-2/energy.h Examining data/achilles-2/gene.h Examining data/achilles-2/hebbian.h Examining data/achilles-2/id.cc Examining data/achilles-2/id.h Examining data/achilles-2/idserver.cc Examining data/achilles-2/idserver.h Examining data/achilles-2/opengl.h Examining data/achilles-2/org.h Examining data/achilles-2/orglist.h Examining data/achilles-2/quicksort.h Examining data/achilles-2/universe.h Examining data/achilles-2/vector.cc Examining data/achilles-2/vector.h Examining data/achilles-2/world.cc Examining data/achilles-2/world.h Examining data/achilles-2/energy.cc Examining data/achilles-2/gene.cc Examining data/achilles-2/hebbian.cc Examining data/achilles-2/license.cc Examining data/achilles-2/main.cc Examining data/achilles-2/opengl.cc Examining data/achilles-2/org.cc Examining data/achilles-2/orglist.cc Examining data/achilles-2/quicksort.cc Examining data/achilles-2/screenshot.cc Examining data/achilles-2/universe.cc FINAL RESULTS: data/achilles-2/main.cc:47:3: [3] (random) srand: This function is not sufficiently random for security-related functions such as key and nonce creation (CWE-327). Use a more secure technique for acquiring random values. srand(time(NULL)); data/achilles-2/id.cc:32:3: [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(s,"%ld.%d",timestamp,mod); data/achilles-2/main.cc:64:19: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). FLOOR_BLOCKS_X = atoi(argv[i]); data/achilles-2/main.cc:68:19: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). FLOOR_BLOCKS_Z = atoi(argv[i]); data/achilles-2/main.cc:72:13: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). NUM_FOOD = atoi(argv[i]); data/achilles-2/main.cc:79:21: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). NUM_ORGANISMS=atoi(argv[i]); data/achilles-2/screenshot.cc:58:9: [2] (misc) fopen: 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). _fp = fopen(filename, "wb"); data/achilles-2/universe.cc:403:5: [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 s[30]; data/achilles-2/universe.cc:448:3: [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 s1[30],s2[30]; data/achilles-2/universe.cc:325:3: [1] (buffer) getchar: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). getchar(); data/achilles-2/universe.cc:340:3: [1] (buffer) getchar: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). getchar(); ANALYSIS SUMMARY: Hits = 11 Lines analyzed = 3398 in approximately 0.29 seconds (11574 lines/second) Physical Source Lines of Code (SLOC) = 2069 Hits@level = [0] 23 [1] 2 [2] 8 [3] 1 [4] 0 [5] 0 Hits@level+ = [0+] 34 [1+] 11 [2+] 9 [3+] 1 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 16.4331 [1+] 5.31658 [2+] 4.34993 [3+] 0.483325 [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.