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/ruby-libvirt-0.7.1/ext/libvirt/nodedevice.c
Examining data/ruby-libvirt-0.7.1/ext/libvirt/stream.h
Examining data/ruby-libvirt-0.7.1/ext/libvirt/common.h
Examining data/ruby-libvirt-0.7.1/ext/libvirt/interface.h
Examining data/ruby-libvirt-0.7.1/ext/libvirt/_libvirt.c
Examining data/ruby-libvirt-0.7.1/ext/libvirt/nodedevice.h
Examining data/ruby-libvirt-0.7.1/ext/libvirt/secret.c
Examining data/ruby-libvirt-0.7.1/ext/libvirt/domain.c
Examining data/ruby-libvirt-0.7.1/ext/libvirt/connect.c
Examining data/ruby-libvirt-0.7.1/ext/libvirt/interface.c
Examining data/ruby-libvirt-0.7.1/ext/libvirt/network.c
Examining data/ruby-libvirt-0.7.1/ext/libvirt/network.h
Examining data/ruby-libvirt-0.7.1/ext/libvirt/nwfilter.c
Examining data/ruby-libvirt-0.7.1/ext/libvirt/nwfilter.h
Examining data/ruby-libvirt-0.7.1/ext/libvirt/stream.c
Examining data/ruby-libvirt-0.7.1/ext/libvirt/storage.c
Examining data/ruby-libvirt-0.7.1/ext/libvirt/secret.h
Examining data/ruby-libvirt-0.7.1/ext/libvirt/domain.h
Examining data/ruby-libvirt-0.7.1/ext/libvirt/storage.h
Examining data/ruby-libvirt-0.7.1/ext/libvirt/common.c
Examining data/ruby-libvirt-0.7.1/ext/libvirt/connect.h
Examining data/ruby-libvirt-0.7.1/ext/libvirt/extconf.h

FINAL RESULTS:

data/ruby-libvirt-0.7.1/ext/libvirt/_libvirt.c:683:5:  [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(mod.model, modstr, strlen(modstr));
data/ruby-libvirt-0.7.1/ext/libvirt/_libvirt.c:686:5:  [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(mod.doi, doistr, strlen(doistr));
data/ruby-libvirt-0.7.1/ext/libvirt/_libvirt.c:690:5:  [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(lab.label, labstr, strlen(labstr));
data/ruby-libvirt-0.7.1/ext/libvirt/common.h:116:9:  [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 uuid[VIR_UUID_STRING_BUFLEN];                              \
data/ruby-libvirt-0.7.1/ext/libvirt/connect.c:2318:5:  [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 cpuname[10];
data/ruby-libvirt-0.7.1/ext/libvirt/domain.c:52:5:  [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 field[VIR_TYPED_PARAM_FIELD_LENGTH];  /* parameter name */
data/ruby-libvirt-0.7.1/ext/libvirt/stream.c:132:5:  [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(data, RSTRING_PTR(buffer), RSTRING_LEN(buffer));
data/ruby-libvirt-0.7.1/ext/libvirt/_libvirt.c:176:33:  [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).
            cred[i].resultlen = strlen(cred[i].result);
data/ruby-libvirt-0.7.1/ext/libvirt/_libvirt.c:683:31:  [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).
    memcpy(mod.model, modstr, strlen(modstr));
data/ruby-libvirt-0.7.1/ext/libvirt/_libvirt.c:686:29:  [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).
    memcpy(mod.doi, doistr, strlen(doistr));
data/ruby-libvirt-0.7.1/ext/libvirt/_libvirt.c:690:31:  [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).
    memcpy(lab.label, labstr, strlen(labstr));
data/ruby-libvirt-0.7.1/ext/libvirt/common.c:385:13:  [1] (buffer) strncpy:
  Easily used incorrectly; doesn't always \0-terminate or check for invalid
  pointers [MS-banned] (CWE-120).
            strncpy(args->params[args->i].field, keyname,

ANALYSIS SUMMARY:

Hits = 12
Lines analyzed = 14549 in approximately 0.34 seconds (42320 lines/second)
Physical Source Lines of Code (SLOC) = 9592
Hits@level = [0]   1 [1]   5 [2]   7 [3]   0 [4]   0 [5]   0
Hits@level+ = [0+]  13 [1+]  12 [2+]   7 [3+]   0 [4+]   0 [5+]   0
Hits/KSLOC@level+ = [0+] 1.3553 [1+] 1.25104 [2+] 0.729775 [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.