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/gtkhash-1.2/src/callbacks.c Examining data/gtkhash-1.2/src/callbacks.h Examining data/gtkhash-1.2/src/check.c Examining data/gtkhash-1.2/src/check.h Examining data/gtkhash-1.2/src/gui.c Examining data/gtkhash-1.2/src/gui.h Examining data/gtkhash-1.2/src/hash.c Examining data/gtkhash-1.2/src/hash.h Examining data/gtkhash-1.2/src/list.c Examining data/gtkhash-1.2/src/list.h Examining data/gtkhash-1.2/src/main.c Examining data/gtkhash-1.2/src/main.h Examining data/gtkhash-1.2/src/prefs.c Examining data/gtkhash-1.2/src/prefs.h Examining data/gtkhash-1.2/src/uri-digest.c Examining data/gtkhash-1.2/src/uri-digest.h Examining data/gtkhash-1.2/src/test.c Examining data/gtkhash-1.2/src/hash/md6/md6.c Examining data/gtkhash-1.2/src/hash/md6/md6.h Examining data/gtkhash-1.2/src/hash/md6/md6_compress.c Examining data/gtkhash-1.2/src/hash/md6/md6_mode.c Examining data/gtkhash-1.2/src/hash/mutils/mhash_config.h Examining data/gtkhash-1.2/src/hash/digest.c Examining data/gtkhash-1.2/src/hash/digest.h Examining data/gtkhash-1.2/src/hash/digest-format.h Examining data/gtkhash-1.2/src/hash/hash-file.c Examining data/gtkhash-1.2/src/hash/hash-file.h Examining data/gtkhash-1.2/src/hash/hash-func.c Examining data/gtkhash-1.2/src/hash/hash-func.h Examining data/gtkhash-1.2/src/hash/hash-lib.c Examining data/gtkhash-1.2/src/hash/hash-lib.h Examining data/gtkhash-1.2/src/hash/hash-string.c Examining data/gtkhash-1.2/src/hash/hash-string.h Examining data/gtkhash-1.2/src/hash/hmac.c Examining data/gtkhash-1.2/src/hash/hmac.h Examining data/gtkhash-1.2/src/hash/hash-lib-blake2.c Examining data/gtkhash-1.2/src/hash/hash-lib-gcrypt.c Examining data/gtkhash-1.2/src/hash/hash-lib-glib.c Examining data/gtkhash-1.2/src/hash/hash-lib-crypto.c Examining data/gtkhash-1.2/src/hash/hash-lib-linux.c Examining data/gtkhash-1.2/src/hash/hash-lib-mbedtls.c Examining data/gtkhash-1.2/src/hash/hash-lib-md6.c Examining data/gtkhash-1.2/src/hash/hash-lib-mhash.c Examining data/gtkhash-1.2/src/hash/hash-lib-nettle.c Examining data/gtkhash-1.2/src/hash/hash-lib-zlib.c Examining data/gtkhash-1.2/src/util/util.c Examining data/gtkhash-1.2/src/util/util.h Examining data/gtkhash-1.2/src/nautilus/properties.c Examining data/gtkhash-1.2/src/nautilus/properties.h Examining data/gtkhash-1.2/src/nautilus/properties-hash.c Examining data/gtkhash-1.2/src/nautilus/properties-hash.h Examining data/gtkhash-1.2/src/nautilus/properties-list.c Examining data/gtkhash-1.2/src/nautilus/properties-list.h Examining data/gtkhash-1.2/src/nautilus/properties-prefs.c Examining data/gtkhash-1.2/src/nautilus/properties-prefs.h FINAL RESULTS: data/gtkhash-1.2/src/hash/digest.c:40:3: [4] (format) snprintf: If format strings can be influenced by an attacker, they can be exploited, and note that sprintf variations do not always \0-terminate (CWE-134). Use a constant for the format specification. snprintf(&ret[i * 2], 3, format_str, digest->bin[i]); data/gtkhash-1.2/src/hash/hash-lib-linux.c:86:2: [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((char *)addr.salg_name, data.name); data/gtkhash-1.2/src/hash/hash-lib-linux.c:109:2: [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((char *)addr.salg_name, LIB_DATA->name); data/gtkhash-1.2/src/check.c:48:8: [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. const char * const pattern[CHECK_FORMAT_N]; data/gtkhash-1.2/src/hash/hmac.c:57:3: [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(padded_key, func->hmac_data->digest->bin, newsize); data/gtkhash-1.2/src/hash/hmac.c:61:3: [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(padded_key, key, key_size); data/gtkhash-1.2/src/hash/md6/md6.h:227:12: [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 hashval[ md6_c*(md6_w/8) ]; data/gtkhash-1.2/src/hash/md6/md6.h:234:12: [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 hexhashval[(md6_c*(md6_w/8))+1]; data/gtkhash-1.2/src/hash/md6/md6_compress.c:276:3: [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( A, N, n*sizeof(md6_word) ); /* copy N to front of A */ data/gtkhash-1.2/src/hash/md6/md6_compress.c:280:3: [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( C, A+(r-1)*c+n, c*sizeof(md6_word) ); /* output into C */ data/gtkhash-1.2/src/hash/md6/md6_compress.c:370:3: [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((unsigned char *)&N[ni], data/gtkhash-1.2/src/hash/md6/md6_compress.c:380:3: [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((unsigned char *)&N[ni], data/gtkhash-1.2/src/hash/md6/md6_compress.c:385:3: [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(N+ni,B,b*sizeof(md6_word)); /* B: data words 25--88 */ data/gtkhash-1.2/src/hash/md6/md6_mode.c:432:7: [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(st->K,key,keylen); /* else save key (with zeros added) */ data/gtkhash-1.2/src/hash/md6/md6_mode.c:639:7: [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( st->hashval, C, md6_c*(w/8) ); data/gtkhash-1.2/src/hash/md6/md6_mode.c:655:3: [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((char *)st->B[next_level] + st->bits[next_level]/8, data/gtkhash-1.2/src/hash/md6/md6_mode.c:698:4: [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((char *)st->B[1] + st->bits[1]/8, data/gtkhash-1.2/src/hash/md6/md6_mode.c:837:24: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. if (hashval != NULL) memcpy( hashval, st->hashval, (st->d+7)/8 ); data/gtkhash-1.2/src/check.c:124:15: [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 len = strlen(basename); data/gtkhash-1.2/src/check.c:127:11: [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). g_assert(strlen(STR) == LEN); \ data/gtkhash-1.2/src/hash/hash-lib-linux.c:138:10: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). *size = read(LIB_DATA->connfd, digest, func->digest_size); data/gtkhash-1.2/src/hash/hash-string.c:40:21: [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). const size_t len = strlen(str); ANALYSIS SUMMARY: Hits = 22 Lines analyzed = 9936 in approximately 0.33 seconds (30297 lines/second) Physical Source Lines of Code (SLOC) = 6711 Hits@level = [0] 1 [1] 4 [2] 15 [3] 0 [4] 3 [5] 0 Hits@level+ = [0+] 23 [1+] 22 [2+] 18 [3+] 3 [4+] 3 [5+] 0 Hits/KSLOC@level+ = [0+] 3.42721 [1+] 3.2782 [2+] 2.68216 [3+] 0.447027 [4+] 0.447027 [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.