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gss encode/decode 'more' flag

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This commit is contained in:
Chris Busbey
2013-11-08 11:15:51 -06:00
committed by Chris Busbey
parent 778c72b9ed
commit be62be0fa4
1 changed files with 17 additions and 4 deletions
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21
src/gssapi_mechanism_base.cpp
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@@ -62,8 +62,17 @@ int zmq::gssapi_mechanism_base_t::encode_message (msg_t *msg_)
int state;
gss_buffer_desc plaintext;
gss_buffer_desc wrapped;
plaintext.value = msg_->data ();
plaintext.length = msg_->size ();
uint8_t flags = 0;
if (msg_->flags () & msg_t::more)
flags |= 0x01;
uint8_t *plaintext_buffer = static_cast <uint8_t *>(malloc(msg_->size ()+1));
plaintext_buffer[0] = flags;
memcpy (plaintext_buffer+1, msg_->data(), msg_->size());
plaintext.value = plaintext_buffer;
plaintext.length = msg_->size ()+1;
maj_stat = gss_wrap(&min_stat, context, 1, GSS_C_QOP_DEFAULT,
&plaintext, &state, &wrapped);
@@ -148,10 +157,14 @@ int zmq::gssapi_mechanism_base_t::decode_message (msg_t *msg_)
int rc = msg_->close ();
zmq_assert (rc == 0);
rc = msg_->init_size (plaintext.length);
rc = msg_->init_size (plaintext.length-1);
zmq_assert (rc == 0);
memcpy (msg_->data (), plaintext.value, plaintext.length);
const uint8_t flags = static_cast <char *> (plaintext.value)[0];
if (flags & 0x01)
msg_->set_flags (msg_t::more);
memcpy (msg_->data (), static_cast <char *> (plaintext.value)+1, plaintext.length-1);
gss_release_buffer (&min_stat, &plaintext);
gss_release_buffer (&min_stat, &wrapped);