/* used by test skaffolding */
int
kernel_alg_add(int satype, int exttype, const struct sadb_alg *sadb_alg)
{
struct sadb_alg *alg_p=NULL;
int alg_id=sadb_alg->sadb_alg_id;
DBG(DBG_KLIPS, DBG_log("kernel_alg_add():"
"satype=%d, exttype=%d, alg_id=%d",
satype, exttype, sadb_alg->sadb_alg_id));
if (!(alg_p=sadb_alg_ptr(satype, exttype, alg_id, 1))) {
DBG_log("kernel_alg_add(%d,%d,%d) fails because alg combo is invalid\n"
, satype, exttype, sadb_alg->sadb_alg_id);
return -1;
}
/*
DBG(DBG_KLIPS, DBG_log("kernel_alg_add(): assign *%p=*%p",
alg_p, sadb_alg));
*/
/* This logic "mimics" KLIPS: first algo implementation will be used */
if (alg_p->sadb_alg_id) {
DBG(DBG_KLIPS, DBG_log("kernel_alg_add(): discarding already setup "
"satype=%d, exttype=%d, alg_id=%d",
satype, exttype, sadb_alg->sadb_alg_id));
return 0;
}
*alg_p=*sadb_alg;
return 1;
}
/* used by kernel_netlink.c and kernel_bsdkame.c */
int kernel_alg_add(int satype, int exttype, const struct sadb_alg *sadb_alg)
{
struct sadb_alg *alg_p, tmp_alg;
uint8_t alg_id = sadb_alg->sadb_alg_id;
if (DBGP(DBG_KERNEL|DBG_CRYPT)) {
const char *exttype_name =
exttype == SADB_EXT_SUPPORTED_AUTH ? "SADB_EXT_SUPPORTED_AUTH"
: exttype == SADB_EXT_SUPPORTED_ENCRYPT ? "SADB_EXT_SUPPORTED_ENCRYPT"
: "SADB_EXT_SUPPORTED_???";
struct esb_buf alg_name_buf;
/*
* XXX: The ALG_ID value found here comes from the
* Linux kernel (see libreswan/pfkeyv2.h) so using
* AH_TRANSFORMID_NAMES and ESP_TRANSFORMID_NAMES is
* only an approximation.
*/
const char *alg_name =
exttype == SADB_EXT_SUPPORTED_AUTH ? enum_showb(&ah_transformid_names, alg_id, &alg_name_buf)
: exttype == SADB_EXT_SUPPORTED_ENCRYPT ? enum_showb(&esp_transformid_names, alg_id, &alg_name_buf)
: "???";
const char *satype_name =
satype == SADB_SATYPE_ESP ? "SADB_SATYPE_ESP"
: satype == SADB_SATYPE_AH ? "SADB_SATYPE_AH"
: "SADB_SATYPE_???";
DBG_log("kernel_alg_add(): satype=%d(%s), exttype=%d(%s), alg_id=%d(%s), alg_ivlen=%d, alg_minbits=%d, alg_maxbits=%d",
satype, satype_name,
exttype, exttype_name,
alg_id, alg_name,
sadb_alg->sadb_alg_ivlen,
sadb_alg->sadb_alg_minbits,
sadb_alg->sadb_alg_maxbits);
}
alg_p = sadb_alg_ptr(satype, exttype, alg_id, TRUE);
if (alg_p == NULL) {
DBG(DBG_KERNEL,
DBG_log("kernel_alg_add(%d,%d,%d) fails because alg combo is invalid",
satype, exttype, alg_id));
return -1;
}
/* This logic "mimics" KLIPS: first algo implementation will be used */
if (alg_p->sadb_alg_id != 0) {
DBG(DBG_KERNEL,
DBG_log("kernel_alg_add(): discarding already setup satype=%d, exttype=%d, alg_id=%d",
satype, exttype,
alg_id);
);
static int
kernel_alg_add(int satype, int exttype, const struct sadb_alg *sadb_alg)
{
int ret=-1;
struct sadb_alg *alg_p=NULL;
int alg_id=sadb_alg->sadb_alg_id;
DBG(DBG_KLIPS, DBG_log("kernel_alg_add():"
"satype=%d, exttype=%d, alg_id=%d",
satype, exttype, sadb_alg->sadb_alg_id));
if (!(alg_p=sadb_alg_ptr(satype, exttype, alg_id, 1)))
goto fail;
/*
DBG(DBG_KLIPS, DBG_log("kernel_alg_add(): assign *%p=*%p",
alg_p, sadb_alg));
*/
*alg_p=*sadb_alg;
ret=1;
fail:
return ret;
}
const struct sadb_alg *kernel_alg_sadb_alg_get(unsigned satype,
unsigned exttype, unsigned alg_id)
{
return sadb_alg_ptr(satype, exttype, alg_id, FALSE);
}
const struct sadb_alg *
kernel_alg_sadb_alg_get(int satype, int exttype, int alg_id)
{
return sadb_alg_ptr(satype, exttype, alg_id, 0);
}
