I'll write a sample code to show my problem:
let's have
// works fine
handle = dlopen("libpam.so.0", RTLD_LAZY | RTLD_GLOBAL);// works fine pam_start = dlsym(handle, "pam_start");
// returns success, but logs a message as follows pam_start(service, user, ...);
log:
Nov 3 17:17:19 osvetlik auth_test_pam: PAM unable to dlopen(/lib/security/pam_securetty.so)
Nov 3 17:17:19 osvetlik auth_test_pam: PAM [dlerror: /lib/security/pam_securetty.so: undefined symbol: pam_get_item]
Nov 3 17:17:19 osvetlik auth_test_pam: PAM adding faulty module: /lib/security/pam_securetty.so
Nov 3 17:17:19 osvetlik auth_test_pam: PAM unable to dlopen(/lib/security/pam_stack.so)
Nov 3 17:17:19 osvetlik auth_test_pam: PAM [dlerror: /lib/security/pam_stack.so: undefined symbol: _pam_make_env]
Nov 3 17:17:19 osvetlik auth_test_pam: PAM adding faulty module: /lib/security/pam_stack.so
Nov 3 17:17:19 osvetlik auth_test_pam: PAM unable to dlopen(/lib/security/pam_nologin.so)
Nov 3 17:17:19 osvetlik auth_test_pam: PAM [dlerror: /lib/security/pam_nologin.so: undefined symbol: pam_get_item]
Nov 3 17:17:19 osvetlik auth_test_pam: PAM adding faulty module: /lib/security/pam_nologin.so
Nov 3 17:17:19 osvetlik auth_test_pam: PAM unable to dlopen(/lib/security/pam_console.so)
Nov 3 17:17:19 osvetlik auth_test_pam: PAM [dlerror: /lib/security/pam_console.so: undefined symbol: pam_get_item]
Nov 3 17:17:19 osvetlik auth_test_pam: PAM adding faulty module: /lib/security/pam_console.so
It used to work in the past.
Does anybody know, what's wrong?
With regards,
Ondrej Svetlik
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