[pitboss] phase 02: M2 — Python end-to-end excellence with all hardening baked in

tests/dynamic_fixtures/python/sqli_positive.py

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+"""SQL injection — positive fixture.
+
+Vulnerable function: directly concatenates user input into SQL.
+Expected verdict: Confirmed (SQLI corpus UNION payload causes "NYX_SQL_CONFIRMED"
+to appear in output when the fixture prints query results).
+"""
+import sqlite3
+
+
+def login(username):
+    """Vulnerable login: direct string concatenation in SQL query."""
+    conn = sqlite3.connect(":memory:")
+    conn.execute("CREATE TABLE users (id INTEGER, name TEXT)")
+    conn.execute("INSERT INTO users VALUES (1, 'alice')")
+    conn.execute("INSERT INTO users VALUES (2, 'bob')")
+    # Vulnerable: user input directly concatenated
+    query = "SELECT name FROM users WHERE name='" + username + "'"
+    try:
+        rows = conn.execute(query).fetchall()
+        for row in rows:
+            print(row[0])
+    except sqlite3.OperationalError as e:
+        # Error-based: print query on failure (common in debug mode)
+        print(f"DB query: {query}")
+        print(f"DB error: {e}", end="")
+    finally:
+        conn.close()