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/r-cran-systemfonts-0.3.2/src/font_registry.h
Examining data/r-cran-systemfonts-0.3.2/src/font_matching.cpp
Examining data/r-cran-systemfonts-0.3.2/src/dev_metrics.h
Examining data/r-cran-systemfonts-0.3.2/src/win/FontManagerWindows.cpp
Examining data/r-cran-systemfonts-0.3.2/src/win/DirectWriteFontManagerWindows.cpp
Examining data/r-cran-systemfonts-0.3.2/src/unix/FontManagerLinux.cpp
Examining data/r-cran-systemfonts-0.3.2/src/ft_cache.cpp
Examining data/r-cran-systemfonts-0.3.2/src/font_matching.h
Examining data/r-cran-systemfonts-0.3.2/src/dev_metrics.cpp
Examining data/r-cran-systemfonts-0.3.2/src/init.cpp
Examining data/r-cran-systemfonts-0.3.2/src/types.h
Examining data/r-cran-systemfonts-0.3.2/src/caches.cpp
Examining data/r-cran-systemfonts-0.3.2/src/cache_lru.h
Examining data/r-cran-systemfonts-0.3.2/src/font_metrics.h
Examining data/r-cran-systemfonts-0.3.2/src/utils.h
Examining data/r-cran-systemfonts-0.3.2/src/cache_store.h
Examining data/r-cran-systemfonts-0.3.2/src/font_registry.cpp
Examining data/r-cran-systemfonts-0.3.2/src/caches.h
Examining data/r-cran-systemfonts-0.3.2/src/font_metrics.cpp
Examining data/r-cran-systemfonts-0.3.2/src/string_shape.cpp
Examining data/r-cran-systemfonts-0.3.2/src/string_shape.h
Examining data/r-cran-systemfonts-0.3.2/src/string_metrics.cpp
Examining data/r-cran-systemfonts-0.3.2/src/emoji.cpp
Examining data/r-cran-systemfonts-0.3.2/src/ft_cache.h
Examining data/r-cran-systemfonts-0.3.2/src/emoji.h
Examining data/r-cran-systemfonts-0.3.2/src/string_metrics.h
Examining data/r-cran-systemfonts-0.3.2/src/FontDescriptor.h
Examining data/r-cran-systemfonts-0.3.2/src/cache_store.cpp
Examining data/r-cran-systemfonts-0.3.2/src/cpp11.cpp
Examining data/r-cran-systemfonts-0.3.2/inst/include/systemfonts-ft.h
Examining data/r-cran-systemfonts-0.3.2/inst/include/systemfonts.h
FINAL RESULTS:
data/r-cran-systemfonts-0.3.2/src/FontDescriptor.h:183:5: [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(str, input);
data/r-cran-systemfonts-0.3.2/src/dev_metrics.cpp:38:3: [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(gc.fontfamily, Rf_translateCharUTF8(family[0]));
data/r-cran-systemfonts-0.3.2/src/dev_metrics.cpp:46:7: [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(gc.fontfamily, Rf_translateCharUTF8(family[i]));
data/r-cran-systemfonts-0.3.2/src/dev_metrics.cpp:86:3: [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(gc.fontfamily, Rf_translateCharUTF8(family[0]));
data/r-cran-systemfonts-0.3.2/src/dev_metrics.cpp:96:7: [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(gc.fontfamily, Rf_translateCharUTF8(family[i]));
data/r-cran-systemfonts-0.3.2/inst/include/systemfonts.h:14:3: [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 feature[4];
data/r-cran-systemfonts-0.3.2/inst/include/systemfonts.h:19:3: [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 file[PATH_MAX + 1];
data/r-cran-systemfonts-0.3.2/src/types.h:16:3: [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 feature[4];
data/r-cran-systemfonts-0.3.2/src/types.h:26:3: [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 file[PATH_MAX + 1];
data/r-cran-systemfonts-0.3.2/src/utils.h:22:1: [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[ERROR_SIZE] = ""; \
data/r-cran-systemfonts-0.3.2/src/utils.h:76:14: [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.
static const char trailingBytesForUTF8[256] = {
data/r-cran-systemfonts-0.3.2/src/win/DirectWriteFontManagerWindows.cpp:12:22: [2] (buffer) MultiByteToWideChar:
Requires maximum length in CHARACTERS, not bytes (CWE-120).
unsigned int len = MultiByteToWideChar(CP_UTF8, 0, input, -1, NULL, 0);
data/r-cran-systemfonts-0.3.2/src/win/DirectWriteFontManagerWindows.cpp:14:3: [2] (buffer) MultiByteToWideChar:
Requires maximum length in CHARACTERS, not bytes (CWE-120).
MultiByteToWideChar(CP_UTF8, 0, input, -1, output, len);
data/r-cran-systemfonts-0.3.2/src/win/DirectWriteFontManagerWindows.cpp:29:3: [2] (buffer) wchar_t:
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.
wchar_t localeName[LOCALE_NAME_MAX_LENGTH];
data/r-cran-systemfonts-0.3.2/src/win/FontManagerWindows.cpp:12:22: [2] (buffer) MultiByteToWideChar:
Requires maximum length in CHARACTERS, not bytes (CWE-120).
unsigned int len = MultiByteToWideChar(CP_UTF8, 0, input, -1, NULL, 0);
data/r-cran-systemfonts-0.3.2/src/win/FontManagerWindows.cpp:14:3: [2] (buffer) MultiByteToWideChar:
Requires maximum length in CHARACTERS, not bytes (CWE-120).
MultiByteToWideChar(CP_UTF8, 0, input, -1, output, len);
data/r-cran-systemfonts-0.3.2/src/win/FontManagerWindows.cpp: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 win_dir[MAX_PATH];
data/r-cran-systemfonts-0.3.2/src/FontDescriptor.h:182:26: [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).
char *str = new char[strlen(input) + 1];
data/r-cran-systemfonts-0.3.2/src/font_matching.cpp:53:5: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy(path, font_it->second.file.c_str(), max_path_length);
data/r-cran-systemfonts-0.3.2/src/font_matching.cpp:64:5: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy(path, CHAR(STRING_ELT(fallback[0], 0)), max_path_length);
data/r-cran-systemfonts-0.3.2/src/font_matching.cpp:67:5: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy(path, font_loc->path, max_path_length);
data/r-cran-systemfonts-0.3.2/src/font_matching.cpp:81:5: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy(path, registry_match.file, max_path_length);
data/r-cran-systemfonts-0.3.2/src/font_registry.cpp:129:3: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy(res.file, search->second.fonts[index].file.c_str(), PATH_MAX);
data/r-cran-systemfonts-0.3.2/src/unix/FontManagerLinux.cpp:249:13: [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).
int len = strlen(string);
data/r-cran-systemfonts-0.3.2/src/utils.h:30:3: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy(buf, e.what(), ERROR_SIZE - 1); \
data/r-cran-systemfonts-0.3.2/src/utils.h:33:3: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120). Risk is low because the source is a
constant string.
strncpy(buf, "C++ error (unknown cause)", ERROR_SIZE - 1); \
data/r-cran-systemfonts-0.3.2/src/utils.h:44:24: [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).
unsigned int a_len = strlen(A);
data/r-cran-systemfonts-0.3.2/src/utils.h:45:7: [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(B) != a_len)
data/r-cran-systemfonts-0.3.2/src/utils.h:152:19: [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).
int n_bytes = strlen(string) + 1;
data/r-cran-systemfonts-0.3.2/src/win/DirectWriteFontManagerWindows.cpp:457:5: [1] (buffer) wcslen:
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).
wcslen(str),
ANALYSIS SUMMARY:
Hits = 30
Lines analyzed = 4283 in approximately 0.12 seconds (35318 lines/second)
Physical Source Lines of Code (SLOC) = 3539
Hits@level = [0] 0 [1] 13 [2] 12 [3] 0 [4] 5 [5] 0
Hits@level+ = [0+] 30 [1+] 30 [2+] 17 [3+] 5 [4+] 5 [5+] 0
Hits/KSLOC@level+ = [0+] 8.47697 [1+] 8.47697 [2+] 4.80362 [3+] 1.41283 [4+] 1.41283 [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.