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/libnetfilter-log-1.0.1/utils/nfulnl_test.c
Examining data/libnetfilter-log-1.0.1/utils/ulog_test.c
Examining data/libnetfilter-log-1.0.1/include/libnetfilter_log/libnetfilter_log.h
Examining data/libnetfilter-log-1.0.1/include/libnetfilter_log/linux_nfnetlink_log.h
Examining data/libnetfilter-log-1.0.1/include/libnetfilter_log/libipulog.h
Examining data/libnetfilter-log-1.0.1/src/libipulog_compat.c
Examining data/libnetfilter-log-1.0.1/src/libnetfilter_log.c

FINAL RESULTS:

data/libnetfilter-log-1.0.1/include/libnetfilter_log/libipulog.h:23:2:  [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 indev_name[ULOG_IFNAMSIZ];
data/libnetfilter-log-1.0.1/include/libnetfilter_log/libipulog.h:24:2:  [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 outdev_name[ULOG_IFNAMSIZ];
data/libnetfilter-log-1.0.1/include/libnetfilter_log/libipulog.h:26:2:  [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 prefix[ULOG_PREFIX_LEN];
data/libnetfilter-log-1.0.1/include/libnetfilter_log/libipulog.h:28:11:  [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 mac[ULOG_MAC_LEN];
data/libnetfilter-log-1.0.1/include/libnetfilter_log/libipulog.h:29:11:  [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 payload[0];
data/libnetfilter-log-1.0.1/src/libipulog_compat.c:183:3:  [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(h->upmsg.mac, phw->hw_addr, 8);
data/libnetfilter-log-1.0.1/src/libipulog_compat.c:191:3:  [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(h->upmsg.prefix, NFA_DATA(tb[NFULA_PREFIX-1]), plen);
data/libnetfilter-log-1.0.1/src/libipulog_compat.c:196:3:  [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(h->upmsg.payload, NFA_DATA(tb[NFULA_PAYLOAD-1]),
data/libnetfilter-log-1.0.1/src/libnetfilter_log.c:131:3:  [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 buf[NFNL_HEADER_LEN
data/libnetfilter-log-1.0.1/src/libnetfilter_log.c:467:3:  [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 buf[NFNL_HEADER_LEN
data/libnetfilter-log-1.0.1/src/libnetfilter_log.c:499:3:  [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 buf[NFNL_HEADER_LEN+NFA_LENGTH(sizeof(u_int32_t))];
data/libnetfilter-log-1.0.1/src/libnetfilter_log.c:524:3:  [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 buf[NFNL_HEADER_LEN+NFA_LENGTH(sizeof(u_int32_t))];
data/libnetfilter-log-1.0.1/src/libnetfilter_log.c:553:3:  [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 buf[NFNL_HEADER_LEN+NFA_LENGTH(sizeof(u_int32_t))];
data/libnetfilter-log-1.0.1/src/libnetfilter_log.c:587:3:  [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 buf[NFNL_HEADER_LEN+NFA_LENGTH(sizeof(u_int16_t))];
data/libnetfilter-log-1.0.1/utils/nfulnl_test.c:57:2:  [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[4096];
data/libnetfilter-log-1.0.1/utils/ulog_test.c:61:46:  [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).
	h = ipulog_create_handle(ipulog_group2gmask(atoi(argv[2])), 65535);
data/libnetfilter-log-1.0.1/utils/ulog_test.c:69:8:  [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).
	alarm(atoi(argv[3]));
data/libnetfilter-log-1.0.1/utils/ulog_test.c:72:18:  [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).
	for (i = 0; i < atoi(argv[1]); i++) {
data/libnetfilter-log-1.0.1/utils/ulog_test.c:28:6:  [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(pkt->prefix))

ANALYSIS SUMMARY:

Hits = 19
Lines analyzed = 1763 in approximately 0.06 seconds (29606 lines/second)
Physical Source Lines of Code (SLOC) = 999
Hits@level = [0]  62 [1]   1 [2]  18 [3]   0 [4]   0 [5]   0
Hits@level+ = [0+]  81 [1+]  19 [2+]  18 [3+]   0 [4+]   0 [5+]   0
Hits/KSLOC@level+ = [0+] 81.0811 [1+] 19.019 [2+] 18.018 [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.