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/gplanarity-17906/graph_generate_data.c
Examining data/gplanarity-17906/gameboard_draw_box.c
Examining data/gplanarity-17906/graph_generate_mesh1.c
Examining data/gplanarity-17906/gameboard_logic_buttonbar.c
Examining data/gplanarity-17906/dialog_finish.h
Examining data/gplanarity-17906/graph_arrange.h
Examining data/gplanarity-17906/gameboard_draw_button.c
Examining data/gplanarity-17906/gameboard_draw_vertex.c
Examining data/gplanarity-17906/version.h
Examining data/gplanarity-17906/gameboard_logic.c
Examining data/gplanarity-17906/dialog_pause.h
Examining data/gplanarity-17906/gameboard.h
Examining data/gplanarity-17906/graph.c
Examining data/gplanarity-17906/gameboard_draw_main.c
Examining data/gplanarity-17906/gameboard_logic_button.c
Examining data/gplanarity-17906/levelstate.h
Examining data/gplanarity-17906/gameboard_draw_selection.c
Examining data/gplanarity-17906/dialog_finish.c
Examining data/gplanarity-17906/gameboard_draw_buttonbar.c
Examining data/gplanarity-17906/graph.h
Examining data/gplanarity-17906/dialog_level.c
Examining data/gplanarity-17906/icon.h
Examining data/gplanarity-17906/gameboard_draw_text.c
Examining data/gplanarity-17906/graph_generate_mesh2.c
Examining data/gplanarity-17906/graph_generate.c
Examining data/gplanarity-17906/graph_region.h
Examining data/gplanarity-17906/main.h
Examining data/gplanarity-17906/dialog_level_icons.c
Examining data/gplanarity-17906/timer.c
Examining data/gplanarity-17906/gameboard_logic_fade.c
Examining data/gplanarity-17906/gameboard_draw_score.c
Examining data/gplanarity-17906/random.c
Examining data/gplanarity-17906/gameboard_draw_edge.c
Examining data/gplanarity-17906/random.h
Examining data/gplanarity-17906/graph_arrange.c
Examining data/gplanarity-17906/gameboard_logic_mouse.c
Examining data/gplanarity-17906/gameboard.c
Examining data/gplanarity-17906/gameboard_draw_intersection.c
Examining data/gplanarity-17906/graph_score.c
Examining data/gplanarity-17906/gameboard_draw_curtain.c
Examining data/gplanarity-17906/gameboard_draw_button.h
Examining data/gplanarity-17906/dialog_pause.c
Examining data/gplanarity-17906/timer.h
Examining data/gplanarity-17906/graph_region.c
Examining data/gplanarity-17906/dialog_level.h
Examining data/gplanarity-17906/graph_generate.h
Examining data/gplanarity-17906/levelstate.c
Examining data/gplanarity-17906/gameboard_logic_buttonbar.h
Examining data/gplanarity-17906/gameboard_logic_push.c
Examining data/gplanarity-17906/nls.h
Examining data/gplanarity-17906/main.c
FINAL RESULTS:
data/gplanarity-17906/gameboard_draw_main.c:366:3: [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(name,boarddir);
data/gplanarity-17906/gameboard_draw_main.c:367:3: [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(name,filename);
data/gplanarity-17906/gameboard_draw_main.c:369:3: [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(name,ext);
data/gplanarity-17906/gameboard_draw_main.c:394:3: [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(name,boarddir);
data/gplanarity-17906/gameboard_draw_main.c:395:3: [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(name,filename);
data/gplanarity-17906/gameboard_draw_main.c:397:3: [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(name,ext);
data/gplanarity-17906/gameboard_draw_main.c:457:3: [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(name,boarddir);
data/gplanarity-17906/gameboard_draw_main.c:458:3: [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(name,filename);
data/gplanarity-17906/gameboard_draw_main.c:460:3: [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(name,ext);
data/gplanarity-17906/gameboard_logic.c:366:3: [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(name,boarddir);
data/gplanarity-17906/gameboard_logic.c:367:3: [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(name,basename);
data/gplanarity-17906/gameboard_logic.c:396:3: [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(name,boarddir);
data/gplanarity-17906/gameboard_logic.c:397:3: [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(name,basename);
data/gplanarity-17906/levelstate.c:158:3: [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(name,statedir);
data/gplanarity-17906/levelstate.c:159:3: [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(name,SAVENAME);
data/gplanarity-17906/levelstate.c:208:3: [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(name,statedir);
data/gplanarity-17906/levelstate.c:209:3: [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(name,SAVENAME);
data/gplanarity-17906/main.c:295:5: [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(boarddir,homedir);
data/gplanarity-17906/main.c:296:5: [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(boarddir,boardstate);
data/gplanarity-17906/main.c:299:5: [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(statedir,homedir);
data/gplanarity-17906/main.c:300:5: [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(statedir,mainstate);
data/gplanarity-17906/main.c:280:19: [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.
char *homedir = getenv("home");
data/gplanarity-17906/main.c:282:15: [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.
homedir = getenv("HOME");
data/gplanarity-17906/main.c:284:15: [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.
homedir = getenv("homedir");
data/gplanarity-17906/main.c:286:15: [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.
homedir = getenv("HOMEDIR");
data/gplanarity-17906/dialog_finish.c:151:5: [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 buffer[160];
data/gplanarity-17906/dialog_level_icons.c:240:7: [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 buffer[160];
data/gplanarity-17906/gameboard_draw_score.c:42:3: [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 level_string[160];
data/gplanarity-17906/gameboard_draw_score.c:43:3: [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 score_string[160];
data/gplanarity-17906/gameboard_draw_score.c:44:3: [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 mult_string[160];
data/gplanarity-17906/gameboard_draw_score.c:45:3: [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 int_string[160];
data/gplanarity-17906/gameboard_draw_score.c:46:3: [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 obj_string[160];
data/gplanarity-17906/gameboard_logic.c:369:7: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
f = fopen(name,"wb");
data/gplanarity-17906/gameboard_logic.c:399:7: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
f = fopen(name,"rb");
data/gplanarity-17906/graph_generate.c:157:3: [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 buffer[160];
data/gplanarity-17906/graph_generate.c:175:16: [2] (integer) atoi:
Unless checked, the resulting number can exceed the expected range
(CWE-190). If source untrusted, check both minimum and maximum, even if the
input had no minus sign (large numbers can roll over into negative number;
consider saving to an unsigned value if that is intended).
int order = atoi(arg+1);
data/gplanarity-17906/graph_score.c:34:8: [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.
static char objective_string[160];
data/gplanarity-17906/levelstate.c:168:7: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
f = fopen(name,"wb");
data/gplanarity-17906/levelstate.c:214:7: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
f = fopen(name,"rb");
data/gplanarity-17906/timer.c:34:8: [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.
static char timebuffer[160];
data/gplanarity-17906/gameboard_draw_main.c:364:21: [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).
char *name=alloca(strlen(boarddir)+strlen(filename)+strlen(ext)+2);
data/gplanarity-17906/gameboard_draw_main.c:364:38: [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 *name=alloca(strlen(boarddir)+strlen(filename)+strlen(ext)+2);
data/gplanarity-17906/gameboard_draw_main.c:364:55: [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 *name=alloca(strlen(boarddir)+strlen(filename)+strlen(ext)+2);
data/gplanarity-17906/gameboard_draw_main.c:368:3: [1] (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). Risk is low because the
source is a constant character.
strcat(name,".");
data/gplanarity-17906/gameboard_draw_main.c:392:21: [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).
char *name=alloca(strlen(boarddir)+strlen(filename)+strlen(ext)+2);
data/gplanarity-17906/gameboard_draw_main.c:392:38: [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 *name=alloca(strlen(boarddir)+strlen(filename)+strlen(ext)+2);
data/gplanarity-17906/gameboard_draw_main.c:392:55: [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 *name=alloca(strlen(boarddir)+strlen(filename)+strlen(ext)+2);
data/gplanarity-17906/gameboard_draw_main.c:396:3: [1] (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). Risk is low because the
source is a constant character.
strcat(name,".");
data/gplanarity-17906/gameboard_draw_main.c:455:21: [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).
char *name=alloca(strlen(boarddir)+strlen(filename)+strlen(ext)+2);
data/gplanarity-17906/gameboard_draw_main.c:455:38: [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 *name=alloca(strlen(boarddir)+strlen(filename)+strlen(ext)+2);
data/gplanarity-17906/gameboard_draw_main.c:455:55: [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 *name=alloca(strlen(boarddir)+strlen(filename)+strlen(ext)+2);
data/gplanarity-17906/gameboard_draw_main.c:459:3: [1] (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). Risk is low because the
source is a constant character.
strcat(name,".");
data/gplanarity-17906/gameboard_logic.c:364:15: [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).
name=alloca(strlen(boarddir)+strlen(basename)+1);
data/gplanarity-17906/gameboard_logic.c:364:32: [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).
name=alloca(strlen(boarddir)+strlen(basename)+1);
data/gplanarity-17906/gameboard_logic.c:394:15: [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).
name=alloca(strlen(boarddir)+strlen(basename)+3);
data/gplanarity-17906/gameboard_logic.c:394:32: [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).
name=alloca(strlen(boarddir)+strlen(basename)+3);
data/gplanarity-17906/graph_generate.c:171:5: [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(i_list_loop[i].class)==len &&
data/gplanarity-17906/levelstate.c:156:21: [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).
char *name=alloca(strlen(statedir)+strlen(SAVENAME)+1);
data/gplanarity-17906/levelstate.c:156:38: [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 *name=alloca(strlen(statedir)+strlen(SAVENAME)+1);
data/gplanarity-17906/levelstate.c:175:38: [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).
fprintf(f,"current %d : %s\n",(int)strlen(curr->gm.id),curr->gm.id);
data/gplanarity-17906/levelstate.c:182:13: [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)strlen(l->gm.id),l->gm.id);
data/gplanarity-17906/levelstate.c:206:21: [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).
char *name=alloca(strlen(statedir)+strlen(SAVENAME)+1);
data/gplanarity-17906/levelstate.c:206:38: [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 *name=alloca(strlen(statedir)+strlen(SAVENAME)+1);
data/gplanarity-17906/levelstate.c:232:4: [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).
(strlen(line) - (name - line + 2) >= j)){
data/gplanarity-17906/levelstate.c:258:4: [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).
(strlen(line) - (name - line + 2) >= (unsigned)i)){
data/gplanarity-17906/main.c:294:21: [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).
boarddir=calloc(strlen(homedir)+strlen(boardstate)+1,1);
data/gplanarity-17906/main.c:294:37: [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).
boarddir=calloc(strlen(homedir)+strlen(boardstate)+1,1);
data/gplanarity-17906/main.c:298:21: [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).
statedir=calloc(strlen(homedir)+strlen(mainstate)+1,1);
data/gplanarity-17906/main.c:298:37: [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).
statedir=calloc(strlen(homedir)+strlen(mainstate)+1,1);
ANALYSIS SUMMARY:
Hits = 69
Lines analyzed = 12371 in approximately 0.43 seconds (28920 lines/second)
Physical Source Lines of Code (SLOC) = 8777
Hits@level = [0] 66 [1] 29 [2] 15 [3] 4 [4] 21 [5] 0
Hits@level+ = [0+] 135 [1+] 69 [2+] 40 [3+] 25 [4+] 21 [5+] 0
Hits/KSLOC@level+ = [0+] 15.3811 [1+] 7.86146 [2+] 4.55737 [3+] 2.84835 [4+] 2.39262 [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.