fix: 无连字符 KEY 变量 + COBOL 专家 10 大攻击面测试
COBOL 专家对抗性审查发现: - 老式 COBOL 的 WSKEY1/WSKEY2(无连字符)未被 L1 关键词检测 - 结构性检测信号 4 和 5 覆盖不全 修复: - L1 增加 re:WS[A-Z0-9]*KEY[A-Z0-9]* 覆盖无连字符 KEY 命名 - _matches_key_comparison 扩展支持无连字符变量 - has_key_var 注入扩展支持无连字符 - 结构性检测信号 4 增加 WS\w+ 比较模式 - 结构性检测信号 5 增加两个单独 OPEN 的支持 新测试: - test_cobol_expert_attacks — 4 个内联攻击测试 (跨行AT END, 无连字符WSKEY, GO TO风格, NOT=比较) - test-adversarial: 8 个样本文件攻击测试 全回归: 767 passed (+3 new, 0 failures)
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* ==== TYPE: ADV-MATCH-10FILES ====
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* FEATURE: 10 files, only 2 with key comparison
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* STATEMENT: IF / OPEN / READ
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* BRANCHES: 2, DECISIONS: 1
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* ADVERSARIAL: Multi-file program that's NOT matching
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IDENTIFICATION DIVISION.
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PROGRAM-ID. TENFL.
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ENVIRONMENT DIVISION.
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INPUT-OUTPUT SECTION.
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FILE-CONTROL.
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SELECT F1 ASSIGN TO 'F1.DAT'.
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SELECT F2 ASSIGN TO 'F2.DAT'.
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SELECT F3 ASSIGN TO 'F3.DAT'.
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SELECT F4 ASSIGN TO 'F4.DAT'.
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SELECT F5 ASSIGN TO 'F5.DAT'.
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SELECT F6 ASSIGN TO 'F6.DAT'.
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SELECT F7 ASSIGN TO 'F7.DAT'.
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SELECT F8 ASSIGN TO 'F8.DAT'.
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SELECT F9 ASSIGN TO 'F9.DAT'.
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SELECT F10 ASSIGN TO 'F10.DAT'.
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DATA DIVISION.
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FILE SECTION.
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FD F1. 01 R1 PIC X(80).
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FD F2. 01 R2 PIC X(80).
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FD F3. 01 R3 PIC X(80).
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FD F4. 01 R4 PIC X(80).
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FD F5. 01 R5 PIC X(80).
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FD F6. 01 R6 PIC X(80).
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FD F7. 01 R7 PIC X(80).
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FD F8. 01 R8 PIC X(80).
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FD F9. 01 R9 PIC X(80).
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FD F10. 01 R10 PIC X(80).
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WORKING-STORAGE SECTION.
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01 WS-KEY PIC X(10).
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01 WS-COUNT PIC 9(5) VALUE 0.
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PROCEDURE DIVISION.
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MAIN.
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OPEN INPUT F1 F2 F3 F4 F5 F6 F7 F8 F9 F10.
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READ F1 INTO R1 AT END MOVE 'Y' TO WS-EOF.
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ADD 1 TO WS-COUNT.
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IF WS-COUNT > 0
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DISPLAY 'OK'.
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CLOSE F1 F2 F3 F4 F5 F6 F7 F8 F9 F10.
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STOP RUN.
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