Listing 4. A Sample Implementation of converse()
static int converse(pam_handle_t * pamh, int ctrl, int nargs
,struct pam_message **message
,struct pam_response **response)
{
int retval;
struct pam_conv *conv;
retval = pam_get_item(pamh, PAM_CONV, (const void **) &conv);
if (retval == PAM_SUCCESS) {
retval = conv->conv(nargs, (const struct pam_message **) message
,response, conv->appdata_ptr);
printf("returned from application's conversation function");
if (retval != PAM_SUCCESS && on(UNIX_DEBUG, ctrl)) {
printf("conversation failure\n",);
}
printf("ready to return from module conversation");
return retval; /* propagate error status */
}
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