使用IBM z/OS RACF安全子系统在COBOL程序中进行安全认证

该示例代码展示了如何在COBOL程序中使用IBM z/OS RACF安全子系统进行安全认证。通过调用RACF安全API来验证用户的RACF用户名和密码，并检查其权限，最终决定是否允许访问特定功能。

       IDENTIFICATION DIVISION.
       PROGRAM-ID. AUTHENTICATE.
       ENVIRONMENT DIVISION.
       INPUT-OUTPUT SECTION.
       FILE-CONTROL.
           SELECT SYSIPT ASSIGN SYSIN.
       DATA DIVISION.
       FILE SECTION.
       FD SYSIPT.
       01 RACF-AUTH-REC PIC X(80).
       WORKING-STORAGE SECTION.
       01 AUTHORIZED PIC X(1) VALUE 'Y'.
       01 USER-ID PIC X(8).
       01 PASSWORD PIC X(8).
       LINKAGE SECTION.
       01 API-AREA.
           05 AUTHID PIC X(8) VALUE SPACES.
           05 PSW PIC X(8) VALUE SPACES.
           05 NEWPSW PIC X(8) VALUE SPACES.
           05 APISTS PIC X(4) VALUE LOW-VALUES.
           05 APICODE PIC X VALUE LOW-VALUES.
       PROCEDURE DIVISION.
       MAIN.
           DISPLAY 'ENTER YOUR USER-ID:'.
           ACCEPT USER-ID.
           DISPLAY 'ENTER YOUR PASSWORD:' WITH
               NO ADVANCING.
           DISPLAY '*' UPON CRT.
           ACCEPT PASSWORD.
           CALL 'IGCSRAC' USING API-AREA.
           IF APISTS NOT = '0000'
               DISPLAY 'AUTHENTICATION FAILED'
               MOVE 'N' TO AUTHORIZED
           ELSE
               DISPLAY 'AUTHENTICATION SUCCEEDED'
               MOVE 'Y' TO AUTHORIZED
           END-IF.
           IF AUTHORIZED = 'Y'
               DISPLAY 'ACCESS GRANTED'
               * ADD YOUR FUNCTION HERE *
           ELSE
               DISPLAY 'ACCESS DENIED'
           END-IF.
           STOP RUN.

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