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/evemu-2.7.0/test/test-cxx-compile.cpp
Examining data/evemu-2.7.0/test/test-c-compile.c
Examining data/evemu-2.7.0/test/test-evemu-create.c
Examining data/evemu-2.7.0/src/evemu.c
Examining data/evemu-2.7.0/src/evemu.h
Examining data/evemu-2.7.0/src/evemu-impl.h
Examining data/evemu-2.7.0/src/version.h
Examining data/evemu-2.7.0/tools/find_event_devices.h
Examining data/evemu-2.7.0/tools/evemu-record.c
Examining data/evemu-2.7.0/tools/evemu-echo.c
Examining data/evemu-2.7.0/tools/evemu-event.c
Examining data/evemu-2.7.0/tools/evemu-play.c
Examining data/evemu-2.7.0/tools/find_event_devices.c

FINAL RESULTS:

data/evemu-2.7.0/src/evemu.c:73:34:  [4] (format) printf:
  If format strings can be influenced by an attacker, they can be exploited
  (CWE-134). Use a constant for the format specification.
	        __attribute__ ((format (printf, 2, 3)));
data/evemu-2.7.0/src/evemu.c:88:2:  [4] (format) vfprintf:
  If format strings can be influenced by an attacker, they can be exploited
  (CWE-134). Use a constant for the format specification.
	vfprintf(stderr, format, args);
data/evemu-2.7.0/tools/evemu-event.c:94:7:  [3] (buffer) getopt_long:
  Some older implementations do not protect against internal buffer overflows
  (CWE-120, CWE-20). Check implementation on installation, or limit the size
  of all string inputs.
		c = getopt_long(argc, argv, "", opts, &option_index);
data/evemu-2.7.0/tools/evemu-record.c:260:7:  [3] (buffer) getopt_long:
  Some older implementations do not protect against internal buffer overflows
  (CWE-120, CWE-20). Check implementation on installation, or limit the size
  of all string inputs.
		c = getopt_long(argc, argv, "", opts, &option_index);
data/evemu-2.7.0/src/evemu.c:255:11:  [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 mask[max(8, (INPUT_PROP_MAX + 7)/8)] = {0};
data/evemu-2.7.0/src/evemu.c:281:12:  [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 mask[KEY_CNT] = {0};
data/evemu-2.7.0/src/evemu.c:400:2:  [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 modalias[2048];
data/evemu-2.7.0/src/evemu.c:410:8:  [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).
	dmi = fopen("/sys/class/dmi/id/modalias", "r");
data/evemu-2.7.0/src/evemu.c:497:11:  [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 mask[8];
data/evemu-2.7.0/src/evemu.c:525:11:  [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 mask[8];
data/evemu-2.7.0/test/test-evemu-create.c:139:7:  [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(file, "r");
data/evemu-2.7.0/test/test-evemu-create.c:207:12:  [2] (tmpfile) mkstemp:
  Potential for temporary file vulnerability in some circumstances. Some
  older Unix-like systems create temp files with permission to write by all
  by default, so be sure to set the umask to override this. Also, some older
  Unix systems might fail to use O_EXCL when opening the file, so make sure
  that O_EXCL is used by the library (CWE-377).
	if ((fd = mkstemp(tmpname)) == -1) {
data/evemu-2.7.0/tools/evemu-echo.c:83:7:  [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(argv[1], "r");
data/evemu-2.7.0/tools/evemu-event.c:153:7:  [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).
	fd = open(path, O_WRONLY);
data/evemu-2.7.0/tools/evemu-play.c:62:7:  [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).
	fd = open(device_node, O_RDWR);
data/evemu-2.7.0/tools/evemu-play.c:76:2:  [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 data[256];
data/evemu-2.7.0/tools/evemu-play.c:104:3:  [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 name[64];
data/evemu-2.7.0/tools/evemu-play.c:105:3:  [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(name, "evemu-%d", getpid());
data/evemu-2.7.0/tools/evemu-play.c:145:7:  [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(argv[1], "r");
data/evemu-2.7.0/tools/evemu-play.c:196:3:  [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 line[32];
data/evemu-2.7.0/tools/evemu-play.c:233:7:  [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).
	fd = open(argv[1], O_RDWR);
data/evemu-2.7.0/tools/evemu-record.c:130:2:  [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 buf[64];
data/evemu-2.7.0/tools/evemu-record.c:167:13:  [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).
			output = fopen(filename, "w");
data/evemu-2.7.0/tools/evemu-record.c:286:7:  [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).
	fd = open(device, O_RDONLY | O_NONBLOCK);
data/evemu-2.7.0/tools/evemu-record.c:325:13:  [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).
			output = fopen(prefix, "w");
data/evemu-2.7.0/tools/find_event_devices.c:60:3:  [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 fname[PATH_MAX];
data/evemu-2.7.0/tools/find_event_devices.c:62:3:  [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 name[256] = "???";
data/evemu-2.7.0/tools/find_event_devices.c:66:8:  [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).
		fd = open(fname, O_RDONLY);
data/evemu-2.7.0/src/evemu.c:96:17:  [1] (buffer) strlen:
  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).
	return line && strlen(line) > 0 && line[0] == '#';
data/evemu-2.7.0/src/evemu.c:107:22:  [1] (buffer) strlen:
  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).
	} while(*sz == 0 || strlen(*line) <= 1);
data/evemu-2.7.0/src/evemu.c:462:7:  [1] (buffer) strlen:
  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).
		if (strlen(evemu_get_name(dev)) == 0)
data/evemu-2.7.0/src/evemu.c:500:6:  [1] (buffer) strlen:
  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).
	if (strlen(line) <= 2 || strncmp(line, "P:", 2) != 0)
data/evemu-2.7.0/src/evemu.c:528:6:  [1] (buffer) strlen:
  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).
	if (strlen(line) <= 2 || strncmp(line, "B:", 2) != 0)
data/evemu-2.7.0/src/evemu.c:572:6:  [1] (buffer) strlen:
  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).
	if (strlen(line) <= 2 || strncmp(line, "A:", 2) != 0)
data/evemu-2.7.0/src/evemu.c:599:6:  [1] (buffer) strlen:
  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).
	if (strlen(line) <= 2 || strncmp(line, "L:", 2) != 0)
data/evemu-2.7.0/src/evemu.c:621:6:  [1] (buffer) strlen:
  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).
	if (strlen(line) <= 2 || strncmp(line, "S:", 2) != 0)
data/evemu-2.7.0/src/evemu.c:729:13:  [1] (buffer) strlen:
  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).
	fseek(fp, -strlen(line), SEEK_CUR);
data/evemu-2.7.0/src/evemu.c:799:17:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
		SYSCALL(ret = read(fd, &ev, sizeof(ev)));
data/evemu-2.7.0/src/evemu.c:830:10:  [1] (buffer) strlen:
  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).
	} while(strlen(line) > 2 && strncmp(line, "E:", 2) != 0);
data/evemu-2.7.0/src/evemu.c:832:6:  [1] (buffer) strlen:
  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).
	if (strlen(line) <= 2 || strncmp(line, "E:", 2) != 0)
data/evemu-2.7.0/src/evemu.c:891:4:  [1] (obsolete) usleep:
  This C routine is considered obsolete (as opposed to the shell command by
  the same name). The interaction of this function with SIGALRM and other
  timer functions such as sleep(), alarm(), setitimer(), and nanosleep() is
  unspecified (CWE-676). Use nanosleep(2) or setitimer(2) instead.
			usleep(usec - ERROR_MARGIN);
data/evemu-2.7.0/tools/evemu-play.c:84:16:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
	while ((ret = read(fd, data, sizeof(data))) > 0)
data/evemu-2.7.0/tools/evemu-play.c:103:6:  [1] (buffer) strlen:
  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).
	if (strlen(evemu_get_name(dev)) == 0) {

ANALYSIS SUMMARY:

Hits = 43
Lines analyzed = 2810 in approximately 0.13 seconds (22210 lines/second)
Physical Source Lines of Code (SLOC) = 1717
Hits@level = [0]  94 [1]  15 [2]  24 [3]   2 [4]   2 [5]   0
Hits@level+ = [0+] 137 [1+]  43 [2+]  28 [3+]   4 [4+]   2 [5+]   0
Hits/KSLOC@level+ = [0+] 79.7903 [1+] 25.0437 [2+] 16.3075 [3+] 2.32964 [4+] 1.16482 [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.