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r16566: add pull function for a site32/offset32 blob

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metze
(This used to be commit 81702c36c2)
This commit is contained in:
Stefan Metzmacher 2006-06-27 17:16:14 +00:00 committed by Gerald (Jerry) Carter
parent 529aa3b885
commit 7dc22bf3e0
1 changed files with 24 additions and 0 deletions
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24
source4/libcli/smb2/request.c
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@ -508,6 +508,30 @@ NTSTATUS smb2_pull_o32s32_blob(struct smb2_request_buffer *buf, TALLOC_CTX *mem_
return NT_STATUS_OK;
}
/*
pull a uint32_t length/ uint32_t ofs/blob triple from a data blob
the ptr points to the start of the offset/length pair
*/
NTSTATUS smb2_pull_s32o32_blob(struct smb2_request_buffer *buf, TALLOC_CTX *mem_ctx, uint8_t *ptr, DATA_BLOB *blob)
{
uint32_t ofs, size;
if (smb2_oob(buf, ptr, 8)) {
return NT_STATUS_BUFFER_TOO_SMALL;
}
size = IVAL(ptr, 0);
ofs = IVAL(ptr, 4);
if (ofs == 0 || size == 0) {
*blob = data_blob(NULL, 0);
return NT_STATUS_OK;
}
if (smb2_oob(buf, buf->hdr + ofs, size)) {
return NT_STATUS_BUFFER_TOO_SMALL;
}
*blob = data_blob_talloc(mem_ctx, buf->hdr + ofs, size);
NT_STATUS_HAVE_NO_MEMORY(blob->data);
return NT_STATUS_OK;
}
/*
pull a string in a uint16_t ofs/ uint16_t length/blob format
UTF-16 without termination