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33 #include "gssapiP_eap.h"
36 gss_wrap_size_limit(OM_uint32 *minor,
40 OM_uint32 req_output_size,
41 OM_uint32 *max_input_size)
43 gss_iov_buffer_desc iov[4];
44 OM_uint32 major, overhead;
46 iov[0].type = GSS_IOV_BUFFER_TYPE_HEADER;
47 iov[0].buffer.value = NULL;
48 iov[0].buffer.length = 0;
50 iov[1].type = GSS_IOV_BUFFER_TYPE_DATA;
51 iov[1].buffer.length = req_output_size;
52 iov[1].buffer.value = NULL;
54 iov[2].type = GSS_IOV_BUFFER_TYPE_PADDING;
55 iov[2].buffer.value = NULL;
56 iov[2].buffer.length = 0;
58 iov[3].type = GSS_IOV_BUFFER_TYPE_TRAILER;
59 iov[3].buffer.value = NULL;
60 iov[3].buffer.length = 0;
62 major = gss_wrap_iov_length(minor, ctx, conf_req_flag, qop_req,
64 if (GSS_ERROR(major)) {
68 overhead = iov[0].buffer.length + iov[3].buffer.length;
70 if (iov[2].buffer.length == 0 && overhead < req_output_size)
71 *max_input_size = req_output_size - overhead;
75 return GSS_S_COMPLETE;