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/lua-systemd-0~git20160517/src/daemon.c
Examining data/lua-systemd-0~git20160517/src/id128.c
Examining data/lua-systemd-0~git20160517/src/id128.h
Examining data/lua-systemd-0~git20160517/src/journal.c
Examining data/lua-systemd-0~git20160517/src/journal.h
Examining data/lua-systemd-0~git20160517/src/login.c
Examining data/lua-systemd-0~git20160517/src/login.h
Examining data/lua-systemd-0~git20160517/src/messages.c
Examining data/lua-systemd-0~git20160517/src/messages.h
Examining data/lua-systemd-0~git20160517/src/util.c
Examining data/lua-systemd-0~git20160517/vendor/compat-5.3/c-api/compat-5.3.c
Examining data/lua-systemd-0~git20160517/vendor/compat-5.3/c-api/compat-5.3.h
Examining data/lua-systemd-0~git20160517/vendor/compat-5.3/lprefix.h
Examining data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c
Examining data/lua-systemd-0~git20160517/vendor/compat-5.3/ltablib.c
Examining data/lua-systemd-0~git20160517/vendor/compat-5.3/lutf8lib.c
Examining data/lua-systemd-0~git20160517/vendor/compat-5.3/tests/testmod.c

FINAL RESULTS:

data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:866:3:  [4] (buffer) strcpy:
  Does not check for buffer overflows when copying to destination [MS-banned]
  (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
  easily misused).
  strcpy(form + l - 1, lenmod);
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:894:16:  [4] (format) sprintf:
  Potential format string problem (CWE-134). Make format string constant.
          nb = sprintf(buff, form, (int)luaL_checkinteger(L, arg));
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:901:16:  [4] (format) sprintf:
  Potential format string problem (CWE-134). Make format string constant.
          nb = sprintf(buff, form, n);
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:910:16:  [4] (format) sprintf:
  Potential format string problem (CWE-134). Make format string constant.
          nb = sprintf(buff, form, luaL_checknumber(L, arg));
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:927:18:  [4] (format) sprintf:
  Potential format string problem (CWE-134). Make format string constant.
            nb = sprintf(buff, form, s);
data/lua-systemd-0~git20160517/src/id128.c:56:2:  [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 s[33];
data/lua-systemd-0~git20160517/vendor/compat-5.3/c-api/compat-5.3.c:394:5:  [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(newptr, B->ptr, B->nelems);
data/lua-systemd-0~git20160517/vendor/compat-5.3/c-api/compat-5.3.c:405:3:  [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(luaL_prepbuffsize(B, l), s, l);
data/lua-systemd-0~git20160517/vendor/compat-5.3/lprefix.h:67:5:  [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 buff[8] = { 0 };
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:130:7:  [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(p, s, l * sizeof(char)); p += l;
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:132:9:  [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(p, sep, lsep * sizeof(char));
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:136:5:  [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(p, s, l * sizeof(char));  /* last copy (not followed by separator) */
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:823:7:  [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 buff[10];
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:825:9:  [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(buff, "\\%d", (int)uchar(*s));
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:827:9:  [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(buff, "\\%03d", (int)uchar(*s));
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:852:3:  [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(form, strfrmt, (p - strfrmt + 1) * sizeof(char));
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:886:7:  [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 form[MAX_FORMAT];  /* to store the format ('%...') */
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:995:3:  [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 buff[5 * sizeof(lua_Number)];  /* enough for any float type */
data/lua-systemd-0~git20160517/src/id128.c:47:12:  [1] (buffer) equal:
  Function does not check the second iterator for over-read conditions
  (CWE-126). This function is often discouraged by most C++ coding standards
  in favor of its safer alternatives provided since C++14. Consider using a
  form of this function that checks the second iterator before potentially
  overflowing it.
static int equal (lua_State *L) {
data/lua-systemd-0~git20160517/src/id128.c:73:12:  [1] (buffer) equal:
  Function does not check the second iterator for over-read conditions
  (CWE-126). This function is often discouraged by most C++ coding standards
  in favor of its safer alternatives provided since C++14. Consider using a
  form of this function that checks the second iterator before potentially
  overflowing it.
		{"__eq", equal},
data/lua-systemd-0~git20160517/vendor/compat-5.3/c-api/compat-5.3.h:207:25:  [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).
  luaL_addlstring(B, s, strlen(s))
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:580:13:  [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).
    upto += strlen(p + upto) + 1;  /* may have more after \0 */
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:863:14:  [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).
  size_t l = strlen(form);
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:864:15:  [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).
  size_t lm = strlen(lenmod);
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:1246:26:  [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).
        luaL_argcheck(L, strlen(s) == len, arg, "string contains zeros");
data/lua-systemd-0~git20160517/vendor/compat-5.3/lstrlib.c:1370:27:  [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).
        size_t len = (int)strlen(data + pos);

ANALYSIS SUMMARY:

Hits = 26
Lines analyzed = 4986 in approximately 0.16 seconds (31885 lines/second)
Physical Source Lines of Code (SLOC) = 4022
Hits@level = [0]   0 [1]   8 [2]  13 [3]   0 [4]   5 [5]   0
Hits@level+ = [0+]  26 [1+]  26 [2+]  18 [3+]   5 [4+]   5 [5+]   0
Hits/KSLOC@level+ = [0+] 6.46445 [1+] 6.46445 [2+] 4.47539 [3+] 1.24316 [4+] 1.24316 [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.