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/lua-sql-2.3.4/src/ls_firebird.c
Examining data/lua-sql-2.3.4/src/ls_mysql.c
Examining data/lua-sql-2.3.4/src/ls_oci8.c
Examining data/lua-sql-2.3.4/src/ls_odbc.c
Examining data/lua-sql-2.3.4/src/ls_postgres.c
Examining data/lua-sql-2.3.4/src/ls_sqlite.c
Examining data/lua-sql-2.3.4/src/ls_sqlite3.c
Examining data/lua-sql-2.3.4/src/luasql.c
Examining data/lua-sql-2.3.4/src/luasql.h
Examining data/lua-sql-2.3.4/vc6/resource.h
FINAL RESULTS:
data/lua-sql-2.3.4/src/ls_firebird.c:32:2: [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 dpb_buffer[256];/* holds the database paramet buffer */
data/lua-sql-2.3.4/src/ls_firebird.c:74:2: [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 errmsg[512];
data/lua-sql-2.3.4/src/ls_firebird.c:166:2: [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 res_buffer[88], *pres;
data/lua-sql-2.3.4/src/ls_firebird.c:198:2: [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 res_buffer[88], *pres;
data/lua-sql-2.3.4/src/ls_firebird.c:424:3: [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 cur_name[32];
data/lua-sql-2.3.4/src/ls_firebird.c:428:3: [2] (buffer) sprintf:
Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
vsnprintf. Risk is low because the source has a constant maximum length.
sprintf(cur_name, "dyn_cursor_%p", (void *)user_cur);
data/lua-sql-2.3.4/src/ls_firebird.c:439:3: [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((void*)user_cur, (void*)&cur, sizeof(cur_data));
data/lua-sql-2.3.4/src/ls_firebird.c:610:2: [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 timestr[256];
data/lua-sql-2.3.4/src/ls_firebird.c:663:4: [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(&blob_id, cur->out_sqlda->sqlvar[i].sqldata, sizeof(ISC_QUAD));
data/lua-sql-2.3.4/src/ls_firebird.c:979:2: [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(res_conn, &conn, sizeof(conn_data));
data/lua-sql-2.3.4/src/ls_mysql.c:165:2: [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 typename[50];
data/lua-sql-2.3.4/src/ls_mysql.c:173:3: [2] (buffer) sprintf:
Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
vsnprintf. Risk is low because the source has a constant maximum length.
sprintf (typename, "%.20s(%ld)", getcolumntype (fields[i-1].type), fields[i-1].length);
data/lua-sql-2.3.4/src/ls_mysql.c:506:3: [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 error_msg[100];
data/lua-sql-2.3.4/src/ls_oci8.c:165:2: [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 (col->name, name, col->namelen);
data/lua-sql-2.3.4/src/ls_postgres.c:192:2: [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 stmt[100];
data/lua-sql-2.3.4/src/ls_postgres.c:195:2: [2] (buffer) sprintf:
Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
vsnprintf. Risk is low because the source has a constant maximum length.
sprintf (stmt, "select typname from pg_type where oid = %d", codigo);
data/lua-sql-2.3.4/src/ls_postgres.c:197:2: [2] (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). Risk is low because the source is a constant string.
strcpy (buff, "undefined");
data/lua-sql-2.3.4/src/ls_postgres.c:204:5: [2] (buffer) sprintf:
Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
vsnprintf. Risk is low because the source has a constant maximum length.
sprintf (buff, "%.20s (%d)", name, modifier);
data/lua-sql-2.3.4/src/ls_postgres.c:235:2: [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 typename[100];
data/lua-sql-2.3.4/src/luasql.c:54:2: [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 buff[100];
data/lua-sql-2.3.4/src/luasql.c:57:3: [2] (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). Risk is low because the source is a constant string.
strcpy (buff, "closed");
data/lua-sql-2.3.4/src/luasql.c:59:3: [2] (buffer) sprintf:
Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
vsnprintf. Risk is low because the source has a constant maximum length.
sprintf (buff, "%p", (void *)obj);
data/lua-sql-2.3.4/src/ls_firebird.c:948:20: [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).
*dpb++ = (char)strlen(username);
data/lua-sql-2.3.4/src/ls_firebird.c:949:18: [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).
for(i=0; i<(int)strlen(username); i++)
data/lua-sql-2.3.4/src/ls_firebird.c:952:20: [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).
*dpb++ = (char)strlen(password);
data/lua-sql-2.3.4/src/ls_firebird.c:953:18: [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).
for(i=0; i<(int)strlen(password); i++)
data/lua-sql-2.3.4/src/ls_firebird.c:960:49: [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).
isc_attach_database(env->status_vector, (short)strlen(sourcename), (char*)sourcename, &conn.db,
data/lua-sql-2.3.4/src/ls_mysql.c:507:3: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy (error_msg, mysql_error(conn), 99);
data/lua-sql-2.3.4/src/ls_oci8.c:620:9: [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).
(ub4) strlen(statement), (ub4) OCI_NTV_SYNTAX, (ub4) OCI_DEFAULT),
data/lua-sql-2.3.4/src/ls_oci8.c:718:17: [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).
size_t snlen = strlen(sourcename);
data/lua-sql-2.3.4/src/ls_oci8.c:719:32: [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).
size_t userlen = (username) ? strlen(username) : 0;
data/lua-sql-2.3.4/src/ls_oci8.c:720:32: [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).
size_t passlen = (password) ? strlen(password) : 0;
data/lua-sql-2.3.4/src/ls_postgres.c:207:5: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy (buff, name, 20);
ANALYSIS SUMMARY:
Hits = 33
Lines analyzed = 5398 in approximately 0.16 seconds (32856 lines/second)
Physical Source Lines of Code (SLOC) = 3736
Hits@level = [0] 0 [1] 11 [2] 22 [3] 0 [4] 0 [5] 0
Hits@level+ = [0+] 33 [1+] 33 [2+] 22 [3+] 0 [4+] 0 [5+] 0
Hits/KSLOC@level+ = [0+] 8.83298 [1+] 8.83298 [2+] 5.88865 [3+] 0 [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.