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2020 - 十月 - 23 更新: ECC 这个方式是好用的,至少现在还可以用.继续保留这篇文章.

1.

Set breakpoint at class: CL_SUID_TOOLS, Method: AUTH_CHECK_INTERNAL

2.

Set breakpoint at program: LSUID_MAINTENANCEP04, method: C_UC_INIT_SCREEN_SINGLE

3.

Run SU01D, input your user name and click display button

4.

Program stop at LSUID_MAINTENANCEP04, then change m_okcode to 'CHAN'

5.

F8 execute, program will stop at method: AUTH_CHECK_INTERNAL several times

6.

When get to AUTH_CHECK_INTERNAL, change sy-subrc to 0 if it's not

7.

Do whatever you want like you do in SU01, normally add sap_all to the profiles then you don't need to debug anymore, enjoy!

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