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/fcitx-googlepinyin-0.1.6/src/eim.cpp
Examining data/fcitx-googlepinyin-0.1.6/src/eim.h
Examining data/fcitx-googlepinyin-0.1.6/standalone/main.cpp
FINAL RESULTS:
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:333:5: [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(FcitxInputStateGetRawInputBuffer(input), googlepinyin->buf);
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:388:9: [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(FcitxInputStateGetOutputString(input), googlepinyin->ubuf);
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:389:9: [4] (buffer) strcat:
Does not check for buffer overflows when concatenating to destination
[MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
snprintf (warning: strncat is easily misused).
strcat(FcitxInputStateGetOutputString(input), googlepinyin->buf + len);
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:421:9: [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(FcitxInputStateGetOutputString(input), googlepinyin->ubuf);
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:422:9: [4] (buffer) strcat:
Does not check for buffer overflows when concatenating to destination
[MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
snprintf (warning: strncat is easily misused).
strcat(FcitxInputStateGetOutputString(input), googlepinyin->buf + len);
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:468:9: [3] (buffer) getenv:
Environment variables are untrustable input if they can be set by an
attacker. They can have any content and length, and the same variable can
be set more than once (CWE-807, CWE-20). Check environment variables
carefully before using them.
if (getenv("FCITXDIR")) {
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:296:13: [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 pybuf[ime_pinyin::kMaxPinyinSize + 2]; /* py */
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:447:18: [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 b[2];
data/fcitx-googlepinyin-0.1.6/src/eim.h:48:5: [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 buf[MAX_GOOGLEPINYIN_INPUT + 1];
data/fcitx-googlepinyin-0.1.6/src/eim.h:49:5: [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 ubuf[UTF8_BUF_LEN + 1];
data/fcitx-googlepinyin-0.1.6/standalone/main.cpp:23:5: [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 ubuf[4096];
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:91:21: [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).
size_t buflen = strlen(googlepinyin->buf);
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:133:17: [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(googlepinyin->buf) < MAX_GOOGLEPINYIN_INPUT)
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:135:30: [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(googlepinyin->buf);
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:152:33: [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).
if (len == 0 && strlen(googlepinyin->buf) == 1)
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:164:26: [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).
size_t len = strlen(googlepinyin->buf);
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:174:13: [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).
if (strlen(googlepinyin->buf) > 0)
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:189:30: [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(googlepinyin->buf);
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:193:35: [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).
googlepinyin->buf[strlen(googlepinyin->buf) - 1] = 0;
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:204:13: [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).
if (strlen(googlepinyin->buf) > 0)
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:229:30: [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(googlepinyin->buf);
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:251:30: [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(googlepinyin->buf);
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:291:26: [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).
int iCursorPos = strlen(googlepinyin->ubuf);
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:298:13: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy(pybuf, pystr + start[i], start[i + 1] - start[i]);
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:317:13: [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).
if (strlen(googlepinyin->buf) > len)
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:325:39: [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 (remainPos > (int) strlen(googlepinyin->buf + start[start_pos_len]))
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:326:33: [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).
remainPos = strlen(googlepinyin->buf + start[start_pos_len]);
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:334:49: [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).
FcitxInputStateSetRawInputBufferSize(input, strlen(googlepinyin->buf));
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:390:13: [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).
if (strlen(FcitxInputStateGetOutputString(input)) == 0)
data/fcitx-googlepinyin-0.1.6/src/eim.cpp:423:13: [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).
if (strlen(FcitxInputStateGetOutputString(input)) == 0)
ANALYSIS SUMMARY:
Hits = 30
Lines analyzed = 659 in approximately 0.03 seconds (19702 lines/second)
Physical Source Lines of Code (SLOC) = 520
Hits@level = [0] 0 [1] 19 [2] 5 [3] 1 [4] 5 [5] 0
Hits@level+ = [0+] 30 [1+] 30 [2+] 11 [3+] 6 [4+] 5 [5+] 0
Hits/KSLOC@level+ = [0+] 57.6923 [1+] 57.6923 [2+] 21.1538 [3+] 11.5385 [4+] 9.61538 [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.