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-rw-r--r--security/nss/lib/freebl/secmpi.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/secmpi.h b/security/nss/lib/freebl/secmpi.h
new file mode 100644
index 000000000..5e8fd1105
--- /dev/null
+++ b/security/nss/lib/freebl/secmpi.h
@@ -0,0 +1,54 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mpi.h"
+
+#define CHECK_SEC_OK(func) \
+ if (SECSuccess != (rv = func)) \
+ goto cleanup
+
+#define CHECK_MPI_OK(func) \
+ if (MP_OKAY > (err = func)) \
+ goto cleanup
+
+#define OCTETS_TO_MPINT(oc, mp, len) \
+ CHECK_MPI_OK(mp_read_unsigned_octets((mp), oc, len))
+
+#define SECITEM_TO_MPINT(it, mp) \
+ CHECK_MPI_OK(mp_read_unsigned_octets((mp), (it).data, (it).len))
+
+#define MPINT_TO_SECITEM(mp, it, arena) \
+ do { \
+ int mpintLen = mp_unsigned_octet_size(mp); \
+ if (mpintLen <= 0) { \
+ err = MP_RANGE; \
+ goto cleanup; \
+ } \
+ SECITEM_AllocItem(arena, (it), mpintLen); \
+ if ((it)->data == NULL) { \
+ err = MP_MEM; \
+ goto cleanup; \
+ } \
+ err = mp_to_unsigned_octets(mp, (it)->data, (it)->len); \
+ if (err < 0) \
+ goto cleanup; \
+ else \
+ err = MP_OKAY; \
+ } while (0)
+
+#define MP_TO_SEC_ERROR(err) \
+ switch (err) { \
+ case MP_MEM: \
+ PORT_SetError(SEC_ERROR_NO_MEMORY); \
+ break; \
+ case MP_RANGE: \
+ PORT_SetError(SEC_ERROR_BAD_DATA); \
+ break; \
+ case MP_BADARG: \
+ PORT_SetError(SEC_ERROR_INVALID_ARGS); \
+ break; \
+ default: \
+ PORT_SetError(SEC_ERROR_LIBRARY_FAILURE); \
+ break; \
+ }