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/ibus-sunpinyin-2.0.3+git20181120/src/debug.cpp
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/debug.h
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/engine.cpp
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/engine.h
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/ibus_common.h
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/ibus_portable.cpp
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/ibus_portable.h
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/imi_ibus_win.cpp
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/imi_ibus_win.h
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/main.cpp
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/pointer.h
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/sunpinyin_config.cpp
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/sunpinyin_config.h
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/sunpinyin_config_keys.h
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/sunpinyin_engine.cpp
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/sunpinyin_engine.h
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/sunpinyin_engine_proxy.cpp
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/sunpinyin_engine_proxy.h
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/sunpinyin_lookup_table.cpp
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/sunpinyin_lookup_table.h
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/sunpinyin_property.cpp
Examining data/ibus-sunpinyin-2.0.3+git20181120/src/sunpinyin_property.h

FINAL RESULTS:

data/ibus-sunpinyin-2.0.3+git20181120/src/sunpinyin_engine.cpp:132:9:  [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("DISABLE_HARD_FORWARD") == NULL) {
data/ibus-sunpinyin-2.0.3+git20181120/src/sunpinyin_engine.cpp:607:22:  [3] (buffer) g_get_home_dir:
  This function is synonymous with 'getenv("HOME")';it returns untrustable
  input if the environment can beset by an attacker. It 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.
    user_data_dir << g_get_home_dir()
data/ibus-sunpinyin-2.0.3+git20181120/src/sunpinyin_config.cpp:250:9:  [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(section) == 0) {
data/ibus-sunpinyin-2.0.3+git20181120/src/sunpinyin_config.cpp:283:41:  [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 char *sub_section = section + strlen(prefix);
data/ibus-sunpinyin-2.0.3+git20181120/src/sunpinyin_config.cpp:411:9:  [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(section) == 0) {
data/ibus-sunpinyin-2.0.3+git20181120/src/sunpinyin_config.cpp:444:41:  [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 char *sub_section = section + strlen(prefix);

ANALYSIS SUMMARY:

Hits = 6
Lines analyzed = 3010 in approximately 0.14 seconds (21576 lines/second)
Physical Source Lines of Code (SLOC) = 1836
Hits@level = [0]   1 [1]   4 [2]   0 [3]   2 [4]   0 [5]   0
Hits@level+ = [0+]   7 [1+]   6 [2+]   2 [3+]   2 [4+]   0 [5+]   0
Hits/KSLOC@level+ = [0+] 3.81264 [1+] 3.26797 [2+] 1.08932 [3+] 1.08932 [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.