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#include <stdio.h>
#include <string.h>
#include <security/pam_appl.h>
/* A conversation function which uses an internally-stored value for
the responses. */
static int
fake_conv (int num_msg, const struct pam_message **msgm,
struct pam_response **response, void *appdata_ptr)
{
static int calls = 0;
struct pam_response *reply;
int count;
/* Sanity test. */
if (num_msg <= 0)
return PAM_CONV_ERR;
/* Allocate memory for the responses. */
reply = calloc (num_msg, sizeof (struct pam_response));
if (reply == NULL)
return PAM_CONV_ERR;
/* Each prompt elicits the same response. */
for (count = 0; count < num_msg; ++count)
{
reply[count].resp_retcode = 0;
/* first call get a password, second one NULL */
if (calls)
reply[count].resp = NULL;
else
{
++calls;
reply[count].resp = strdup ("Kindergarten");
}
}
/* Set the pointers in the response structure and return. */
*response = reply;
return PAM_SUCCESS;
}
static struct pam_conv conv = {
fake_conv,
NULL
};
/* Check that errors of optional modules are ignored and that
required modules after a sufficient one are not executed. */
int
main(int argc, char *argv[])
{
pam_handle_t *pamh=NULL;
const char *user="root";
int retval;
int debug = 0;
if (argc > 1 && strcmp (argv[1], "-d") == 0)
debug = 1;
retval = pam_start("tst-pam_cracklib1", user, &conv, &pamh);
if (retval != PAM_SUCCESS)
{
if (debug)
fprintf (stderr, "cracklib1: pam_start returned %d\n", retval);
return 1;
}
/* Try one, first input is correct, second is NULL */
retval = pam_chauthtok (pamh, 0);
if (retval != PAM_AUTHTOK_RECOVERY_ERR)
{
if (debug)
fprintf (stderr, "cracklib1-1: pam_chauthtok returned %d\n", retval);
return 1;
}
/* Try two, first input is NULL */
retval = pam_chauthtok (pamh, 0);
if (retval != PAM_AUTHTOK_RECOVERY_ERR)
{
if (debug)
fprintf (stderr, "cracklib1-2: pam_chauthtok returned %d\n", retval);
return 1;
}
retval = pam_end (pamh,retval);
if (retval != PAM_SUCCESS)
{
if (debug)
fprintf (stderr, "cracklib1: pam_end returned %d\n", retval);
return 1;
}
return 0;
}
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