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/* ISC license. */
#include <stdint.h>
#include <string.h>
#include <sys/uio.h>
#include <skalibs/uint32.h>
#include <pamela/pamela.h>
#include <pamela/pam.h>
static int xauthdata_pack_and_set (pamela_t *a, struct pam_xauth_data const *d)
{
if (d->namelen < 0 || d->datalen < 0) return PAM_SYSTEM_ERR ;
{
char buf[8] ;
struct iovec v[3] =
{
{ .iov_base = buf, .iov_len = 8 },
{ .iov_base = d->name, .iov_len = d->namelen + 1 },
{ .iov_base = d->data, .iov_len = d->datalen + 1 }
} ;
uint32_pack_big(buf, (uint32_t)d->namelen) ;
uint32_pack_big(buf + 4, (uint32_t)d->datalen) ;
return pamela_set_itemv(a, PAM_XAUTHDATA, v, 3) ;
}
}
int pam_set_item (pam_handle_t *pamh, int item_type, void const *item)
{
if (!pamh) return PAM_SYSTEM_ERR ;
if (item_type < 1 || item_type >= PAM_ITEM_MAX) return PAM_BAD_ITEM ;
switch (item_type)
{
case PAM_FAIL_DELAY :
{
int e ;
pamh->handle.delayfn = (pamela_pam_delay_func_t_ref)item ;
e = pamela_op(&pamh->handle, PAMELA_OP_SETFAILDELAY, 0) ;
if (e != PAM_SUCCESS) return e ;
break ;
}
case PAM_CONV :
pamh->handle.convfn = (pamela_pam_conv_func_t_ref)item ;
break ;
case PAM_XAUTHDATA :
return xauthdata_pack_and_set(&pamh->handle, (struct pam_xauth_data const *)item) ;
default :
return pamela_set_item(&pamh->handle, (uint32_t)item_type, (char const *)item) ;
}
return PAM_SUCCESS ;
}
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