|
@ -0,0 +1,81 @@ |
|
|
|
|
|
diff --git a/lib/x509/ip-in-cidr.h b/lib/x509/ip-in-cidr.h
|
|
|
|
|
|
index 778502a..7613de9 100644
|
|
|
|
|
|
--- a/lib/x509/ip-in-cidr.h
|
|
|
|
|
|
+++ b/lib/x509/ip-in-cidr.h
|
|
|
|
|
|
@@ -36,6 +36,8 @@ static unsigned ip_in_cidr(const gnutls_datum_t *ip, const gnutls_datum_t *cidr)
|
|
|
|
|
|
{ |
|
|
|
|
|
char str_ip[48]; |
|
|
|
|
|
char str_cidr[97]; |
|
|
|
|
|
+ unsigned byte;
|
|
|
|
|
|
+
|
|
|
|
|
|
_gnutls_hard_log("matching %.*s with CIDR constraint %.*s\n", |
|
|
|
|
|
(int) sizeof(str_ip), |
|
|
|
|
|
_gnutls_ip_to_string(ip->data, ip->size, str_ip, sizeof(str_ip)), |
|
|
|
|
|
@@ -43,7 +45,7 @@ static unsigned ip_in_cidr(const gnutls_datum_t *ip, const gnutls_datum_t *cidr)
|
|
|
|
|
|
_gnutls_cidr_to_string(cidr->data, cidr->size, str_cidr, sizeof(str_cidr))); |
|
|
|
|
|
|
|
|
|
|
|
unsigned ipsize = ip->size; |
|
|
|
|
|
- for (unsigned byte = 0; byte < ipsize; byte++)
|
|
|
|
|
|
+ for (byte = 0; byte < ipsize; byte++)
|
|
|
|
|
|
if (((ip->data[byte] ^ cidr->data[byte]) & cidr->data[ipsize+byte]) != 0) |
|
|
|
|
|
return 0; |
|
|
|
|
|
|
|
|
|
|
|
diff --git a/lib/x509/ip.c b/lib/x509/ip.c
|
|
|
|
|
|
index 9316933..b4b31a4 100644
|
|
|
|
|
|
--- a/lib/x509/ip.c
|
|
|
|
|
|
+++ b/lib/x509/ip.c
|
|
|
|
|
|
@@ -175,10 +175,13 @@ static void prefix_to_mask(unsigned prefix, unsigned char *mask, size_t mask_siz
|
|
|
|
|
|
* |
|
|
|
|
|
* Returns: On success, %GNUTLS_E_SUCCESS (0) is returned, otherwise a negative error value. |
|
|
|
|
|
-*/ |
|
|
|
|
|
-int _gnutls_mask_ip(unsigned char *ip, const unsigned char *mask, unsigned ipsize) {
|
|
|
|
|
|
+int _gnutls_mask_ip(unsigned char *ip, const unsigned char *mask, unsigned ipsize)
|
|
|
|
|
|
+{
|
|
|
|
|
|
+ unsigned i;
|
|
|
|
|
|
+
|
|
|
|
|
|
if (ipsize != 4 && ipsize != 16) |
|
|
|
|
|
return GNUTLS_E_MALFORMED_CIDR; |
|
|
|
|
|
- for (unsigned i = 0;i < ipsize; i++)
|
|
|
|
|
|
+ for (i = 0; i < ipsize; i++)
|
|
|
|
|
|
ip[i] &= mask[i]; |
|
|
|
|
|
return GNUTLS_E_SUCCESS; |
|
|
|
|
|
} |
|
|
|
|
|
diff --git a/lib/x509/name_constraints.c b/lib/x509/name_constraints.c
|
|
|
|
|
|
index 98c0f02..196e6d9 100644
|
|
|
|
|
|
--- a/lib/x509/name_constraints.c
|
|
|
|
|
|
+++ b/lib/x509/name_constraints.c
|
|
|
|
|
|
@@ -777,6 +777,7 @@ name_constraints_intersect_nodes(name_constraints_node_st * nc1,
|
|
|
|
|
|
*_intersection = NULL; |
|
|
|
|
|
name_constraints_node_st *to_copy = NULL; |
|
|
|
|
|
unsigned iplength = 0; |
|
|
|
|
|
+ unsigned byte;
|
|
|
|
|
|
|
|
|
|
|
|
if (nc1->type != nc2->type) { |
|
|
|
|
|
return GNUTLS_E_SUCCESS; |
|
|
|
|
|
@@ -796,7 +797,7 @@ name_constraints_intersect_nodes(name_constraints_node_st * nc1,
|
|
|
|
|
|
if (nc1->name.size != nc2->name.size) |
|
|
|
|
|
return GNUTLS_E_SUCCESS; |
|
|
|
|
|
iplength = nc1->name.size/2; |
|
|
|
|
|
- for (unsigned byte = 0; byte < iplength; byte++) {
|
|
|
|
|
|
+ for (byte = 0; byte < iplength; byte++) {
|
|
|
|
|
|
if (((nc1->name.data[byte]^nc2->name.data[byte]) // XOR of addresses |
|
|
|
|
|
& nc1->name.data[byte+iplength] // AND mask from nc1 |
|
|
|
|
|
& nc2->name.data[byte+iplength]) // AND mask from nc2 |
|
|
|
|
|
@@ -813,6 +814,8 @@ name_constraints_intersect_nodes(name_constraints_node_st * nc1,
|
|
|
|
|
|
} |
|
|
|
|
|
// copy existing node if applicable |
|
|
|
|
|
if (to_copy != NULL) { |
|
|
|
|
|
+ unsigned byte;
|
|
|
|
|
|
+
|
|
|
|
|
|
*_intersection = name_constraints_node_new(to_copy->type, to_copy->name.data, to_copy->name.size); |
|
|
|
|
|
if (*_intersection == NULL) |
|
|
|
|
|
return gnutls_assert_val(GNUTLS_E_MEMORY_ERROR); |
|
|
|
|
|
@@ -822,7 +825,7 @@ name_constraints_intersect_nodes(name_constraints_node_st * nc1,
|
|
|
|
|
|
_gnutls_mask_ip(intersection->name.data, intersection->name.data+iplength, iplength); |
|
|
|
|
|
_gnutls_mask_ip(nc1->name.data, nc1->name.data+iplength, iplength); |
|
|
|
|
|
// update intersection, if necessary (we already know one is subset of other) |
|
|
|
|
|
- for (unsigned byte = 0; byte < 2 * iplength; byte++) {
|
|
|
|
|
|
+ for (byte = 0; byte < 2 * iplength; byte++) {
|
|
|
|
|
|
intersection->name.data[byte] |= nc1->name.data[byte]; |
|
|
|
|
|
} |
|
|
|
|
|
} |