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if we get the error BUTTER_TOO_SMALL coming back in a getinfo reply the data will just be 4 bytes and will contain the required buffer size 

svn path=/trunk/; revision=16493
This commit is contained in:
Ronnie Sahlberg 2005-11-12 21:14:17 +00:00
parent c2c6475048
commit 5940b03d12
1 changed files with 14 additions and 0 deletions
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14
epan/dissectors/packet-smb2.c
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@ -87,6 +87,7 @@ static int hf_smb2_server_guid = -1;
static int hf_smb2_class = -1;
static int hf_smb2_infolevel = -1;
static int hf_smb2_max_response_size = -1;
static int hf_smb2_required_buffer_size = -1;
static int hf_smb2_response_size = -1;
static int hf_smb2_file_info_12 = -1;
static int hf_smb2_file_info_22 = -1;
@ -904,6 +905,16 @@ dissect_smb2_getinfo_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tre
proto_tree_add_item(tree, hf_smb2_response_size, tvb, offset, 4, TRUE);
offset += 4;
/* if we get BUFFET_TOO_SMALL there will not be any data there, only
* a guin32 specifying how big the buffer needs to be
*/
if(si->status==0xc0000023){
proto_tree_add_item(tree, hf_smb2_required_buffer_size, tvb, offset, 4, TRUE);
offset += 4;
return offset;
}
/* data */
dissect_smb2_infolevel(tvb, pinfo, tree, offset, si, class, infolevel);
offset += response_size;
@ -2221,6 +2232,9 @@ proto_register_smb2(void)
{ &hf_smb2_response_size,
{ "Response Size", "smb2.response_size", FT_UINT32, BASE_DEC,
NULL, 0, "SMB2 response size", HFILL }},
{ &hf_smb2_required_buffer_size,
{ "Required Buffer Size", "smb2.required_size", FT_UINT32, BASE_DEC,
NULL, 0, "SMB2 required buffer size", HFILL }},
{ &hf_smb2_pid,
{ "Process Id", "smb2.pid", FT_UINT32, BASE_HEX,
NULL, 0, "SMB2 Process Id", HFILL }},