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/varnish-modules-0.16.0/src/vmod_xkey.c
Examining data/varnish-modules-0.16.0/src/vmod_header.c
Examining data/varnish-modules-0.16.0/src/vmod_softpurge.c
Examining data/varnish-modules-0.16.0/src/foreign/hash/hash_slinger.h
Examining data/varnish-modules-0.16.0/src/vmod_var.c
Examining data/varnish-modules-0.16.0/src/vmod_config.h
Examining data/varnish-modules-0.16.0/src/vmod_vsthrottle.c
Examining data/varnish-modules-0.16.0/src/vmod_tcp.c
Examining data/varnish-modules-0.16.0/src/vmod_bodyaccess.c
Examining data/varnish-modules-0.16.0/src/vmod_saintmode.c

FINAL RESULTS:

data/varnish-modules-0.16.0/src/vmod_bodyaccess.c:80:3:  [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(buf, ctx->pfx, prefix_len);
data/varnish-modules-0.16.0/src/vmod_bodyaccess.c:81:3:  [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(buf + prefix_len, str, size);
data/varnish-modules-0.16.0/src/vmod_header.c:158:4:  [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(&hp->hd[v], &hp->hd[u], sizeof *hp->hd);
data/varnish-modules-0.16.0/src/vmod_header.c:159:4:  [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(&hp->hdf[v], &hp->hdf[u], sizeof *hp->hdf);
data/varnish-modules-0.16.0/src/vmod_saintmode.c:138:2:  [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(tp->digest, ctx->bo->digest, sizeof tp->digest);
data/varnish-modules-0.16.0/src/vmod_tcp.c:118:2:  [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 strategy[TCP_CA_NAME_MAX + 1];
data/varnish-modules-0.16.0/src/vmod_vsthrottle.c:55:11:  [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		digest[SHA256_LEN];
data/varnish-modules-0.16.0/src/vmod_vsthrottle.c:101:2:  [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(tb->digest, digest, sizeof tb->digest);
data/varnish-modules-0.16.0/src/vmod_vsthrottle.c:121:2:  [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(&k.digest, digest, sizeof k.digest);
data/varnish-modules-0.16.0/src/vmod_vsthrottle.c:167:11:  [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 digest[SHA256_LEN];
data/varnish-modules-0.16.0/src/vmod_vsthrottle.c:216:11:  [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 digest[SHA256_LEN];
data/varnish-modules-0.16.0/src/vmod_vsthrottle.c:259:11:  [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 digest[SHA256_LEN];
data/varnish-modules-0.16.0/src/vmod_vsthrottle.c:286:11:  [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 digest[SHA256_LEN];
data/varnish-modules-0.16.0/src/vmod_xkey.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				digest[DIGEST_LEN];
data/varnish-modules-0.16.0/src/vmod_xkey.c:264:2:  [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(&key.digest, digest, len);
data/varnish-modules-0.16.0/src/vmod_xkey.c:280:2:  [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(&head->key.digest, digest, len);
data/varnish-modules-0.16.0/src/vmod_xkey.c:445:11:  [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 digest[DIGEST_LEN];
data/varnish-modules-0.16.0/src/vmod_xkey.c:536:11:  [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 digest[DIGEST_LEN];
data/varnish-modules-0.16.0/src/vmod_bodyaccess.c:68:15:  [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).
	prefix_len = strlen(ctx->pfx);
data/varnish-modules-0.16.0/src/vmod_header.c:79:14:  [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).
	assert(l == strlen(hdr + 1));
data/varnish-modules-0.16.0/src/vmod_tcp.c:130:2:  [1] (buffer) strncpy:
  Easily used incorrectly; doesn't always \0-terminate or check for invalid
  pointers [MS-banned] (CWE-120).
	strncpy(strategy, new, TCP_CA_NAME_MAX);
data/varnish-modules-0.16.0/src/vmod_tcp.c:132:16:  [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).
	socklen_t l = strlen(strategy);
data/varnish-modules-0.16.0/src/vmod_vsthrottle.c:151:26:  [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).
	SHA256_Update(&sctx, s, strlen(s));

ANALYSIS SUMMARY:

Hits = 23
Lines analyzed = 2870 in approximately 0.09 seconds (32709 lines/second)
Physical Source Lines of Code (SLOC) = 2107
Hits@level = [0]   0 [1]   5 [2]  18 [3]   0 [4]   0 [5]   0
Hits@level+ = [0+]  23 [1+]  23 [2+]  18 [3+]   0 [4+]   0 [5+]   0
Hits/KSLOC@level+ = [0+] 10.916 [1+] 10.916 [2+] 8.54295 [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.