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gensec_gssapi: add support for signing RPC messages

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metze
(This used to be commit dc2847c0acb0adaede4db72a7517046b93221162)
This commit is contained in:
Stefan Metzmacher 2008-07-25 18:26:31 +02:00
parent 9437adf68b
commit 55ea54ec64
1 changed files with 12 additions and 35 deletions
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47
source4/auth/gensec/gensec_gssapi.c
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@ -1034,35 +1034,22 @@ static NTSTATUS gensec_gssapi_sign_packet(struct gensec_security *gensec_securit
= talloc_get_type(gensec_security->private_data, struct gensec_gssapi_state);
OM_uint32 maj_stat, min_stat;
gss_buffer_desc input_token, output_token;
int conf_state;
ssize_t sig_length = 0;
input_token.length = length;
input_token.value = discard_const_p(uint8_t *, data);
maj_stat = gss_wrap(&min_stat,
maj_stat = gss_get_mic(&min_stat,
gensec_gssapi_state->gssapi_context,
0,
GSS_C_QOP_DEFAULT,
&input_token,
&conf_state,
&output_token);
if (GSS_ERROR(maj_stat)) {
DEBUG(1, ("GSS Wrap failed: %s\n",
DEBUG(1, ("GSS GetMic failed: %s\n",
gssapi_error_string(mem_ctx, maj_stat, min_stat, gensec_gssapi_state->gss_oid)));
return NT_STATUS_ACCESS_DENIED;
}
if (output_token.length < input_token.length) {
DEBUG(1, ("gensec_gssapi_sign_packet: GSS Wrap length [%ld] *less* than caller length [%ld]\n",
(long)output_token.length, (long)length));
return NT_STATUS_INTERNAL_ERROR;
}
/* Caller must pad to right boundary */
sig_length = output_token.length - input_token.length;
*sig = data_blob_talloc(mem_ctx, (uint8_t *)output_token.value, sig_length);
*sig = data_blob_talloc(mem_ctx, (uint8_t *)output_token.value, output_token.length);
dump_data_pw("gensec_gssapi_seal_packet: sig\n", sig->data, sig->length);
@ -1080,39 +1067,29 @@ static NTSTATUS gensec_gssapi_check_packet(struct gensec_security *gensec_securi
struct gensec_gssapi_state *gensec_gssapi_state
= talloc_get_type(gensec_security->private_data, struct gensec_gssapi_state);
OM_uint32 maj_stat, min_stat;
gss_buffer_desc input_token, output_token;
int conf_state;
gss_buffer_desc input_token;
gss_buffer_desc input_message;
gss_qop_t qop_state;
DATA_BLOB in;
dump_data_pw("gensec_gssapi_seal_packet: sig\n", sig->data, sig->length);
in = data_blob_talloc(mem_ctx, NULL, sig->length + length);
input_message.length = length;
input_message.value = data;
memcpy(in.data, sig->data, sig->length);
memcpy(in.data + sig->length, data, length);
input_token.length = sig->length;
input_token.value = sig->data;
input_token.length = in.length;
input_token.value = in.data;
maj_stat = gss_unwrap(&min_stat,
maj_stat = gss_verify_mic(&min_stat,
gensec_gssapi_state->gssapi_context,
&input_message,
&input_token,
&output_token,
&conf_state,
&qop_state);
if (GSS_ERROR(maj_stat)) {
DEBUG(1, ("GSS UnWrap failed: %s\n",
DEBUG(1, ("GSS VerifyMic failed: %s\n",
gssapi_error_string(mem_ctx, maj_stat, min_stat, gensec_gssapi_state->gss_oid)));
return NT_STATUS_ACCESS_DENIED;
}
if (output_token.length != length) {
return NT_STATUS_INTERNAL_ERROR;
}
gss_release_buffer(&min_stat, &output_token);
return NT_STATUS_OK;
}