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gss: add _gss_secure_release_buffer()

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Add _gss_secure_release_buffer() helper function that zeros buffer
This commit is contained in:
Luke Howard
2020-04-15 15:59:01 +10:00
parent 1611ac457f
commit b2eb5b0edf
2 changed files with 12 additions and 0 deletions
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10
lib/gssapi/mech/gss_utils.c
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@@ -147,6 +147,16 @@ _gss_copy_buffer(OM_uint32 *minor_status,
return (GSS_S_COMPLETE); return (GSS_S_COMPLETE);
} }
OM_uint32
_gss_secure_release_buffer(OM_uint32 *minor_status,
gss_buffer_t buffer)
{
if (buffer->value)
memset_s(buffer->value, buffer->length, 0, buffer->length);
return gss_release_buffer(minor_status, buffer);
}
void void
_gss_mg_encode_le_uint32(uint32_t n, uint8_t *p) _gss_mg_encode_le_uint32(uint32_t n, uint8_t *p)
{ {

2
lib/gssapi/mech/utils.h
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@@ -31,6 +31,8 @@ OM_uint32 _gss_free_oid(OM_uint32 *, gss_OID);
OM_uint32 _gss_intern_oid(OM_uint32 *, gss_const_OID, gss_OID *); OM_uint32 _gss_intern_oid(OM_uint32 *, gss_const_OID, gss_OID *);
OM_uint32 _gss_copy_buffer(OM_uint32 *minor_status, OM_uint32 _gss_copy_buffer(OM_uint32 *minor_status,
const gss_buffer_t from_buf, gss_buffer_t to_buf); const gss_buffer_t from_buf, gss_buffer_t to_buf);
OM_uint32 _gss_secure_release_buffer(OM_uint32 *minor_status,
gss_buffer_t buffer);
void _gss_mg_encode_le_uint32(uint32_t n, uint8_t *p); void _gss_mg_encode_le_uint32(uint32_t n, uint8_t *p);
void _gss_mg_decode_le_uint32(const void *ptr, uint32_t *n); void _gss_mg_decode_le_uint32(const void *ptr, uint32_t *n);