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authorAndrew Tridgell <tridge@samba.org>2008-09-24 17:28:58 -0700
committerAndrew Tridgell <tridge@samba.org>2008-09-24 18:10:23 -0700
commit4904882fed1e3b72ba45052323c95c0fda301d64 (patch)
treee6a72e41df109335368c845488ed580c99e363fd /source4
parentb1f17b23fe58acba924ce11bb8ec700cd2a1bd7e (diff)
downloadsamba-4904882fed1e3b72ba45052323c95c0fda301d64.tar.gz
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samba-4904882fed1e3b72ba45052323c95c0fda301d64.zip
- SMB2 uses INVALID_PARAMETER not BUFFER_TOO_SMALL for buffer size
errors - added a s32o16 buffer function
Diffstat (limited to 'source4')
-rw-r--r--source4/libcli/smb2/request.c54
1 files changed, 39 insertions, 15 deletions
diff --git a/source4/libcli/smb2/request.c b/source4/libcli/smb2/request.c
index 64d427f889..137e2f2f12 100644
--- a/source4/libcli/smb2/request.c
+++ b/source4/libcli/smb2/request.c
@@ -279,7 +279,7 @@ NTSTATUS smb2_pull_o16s16_blob(struct smb2_request_buffer *buf, TALLOC_CTX *mem_
{
uint16_t ofs, size;
if (smb2_oob(buf, ptr, 4)) {
- return NT_STATUS_BUFFER_TOO_SMALL;
+ return NT_STATUS_INVALID_PARAMETER;
}
ofs = SVAL(ptr, 0);
size = SVAL(ptr, 2);
@@ -288,7 +288,7 @@ NTSTATUS smb2_pull_o16s16_blob(struct smb2_request_buffer *buf, TALLOC_CTX *mem_
return NT_STATUS_OK;
}
if (smb2_oob(buf, buf->hdr + ofs, size)) {
- return NT_STATUS_BUFFER_TOO_SMALL;
+ return NT_STATUS_INVALID_PARAMETER;
}
*blob = data_blob_talloc(mem_ctx, buf->hdr + ofs, size);
NT_STATUS_HAVE_NO_MEMORY(blob->data);
@@ -315,12 +315,12 @@ NTSTATUS smb2_push_o16s16_blob(struct smb2_request_buffer *buf,
/* we have only 16 bit for the size */
if (blob.length > 0xFFFF) {
- return NT_STATUS_BUFFER_TOO_SMALL;
+ return NT_STATUS_INVALID_PARAMETER;
}
/* check if there're enough room for ofs and size */
if (smb2_oob(buf, ptr, 4)) {
- return NT_STATUS_BUFFER_TOO_SMALL;
+ return NT_STATUS_INVALID_PARAMETER;
}
if (blob.data == NULL) {
@@ -376,7 +376,7 @@ NTSTATUS smb2_push_o16s32_blob(struct smb2_request_buffer *buf,
/* check if there're enough room for ofs and size */
if (smb2_oob(buf, ptr, 6)) {
- return NT_STATUS_BUFFER_TOO_SMALL;
+ return NT_STATUS_INVALID_PARAMETER;
}
if (blob.data == NULL) {
@@ -432,7 +432,7 @@ NTSTATUS smb2_push_o32s32_blob(struct smb2_request_buffer *buf,
/* check if there're enough room for ofs and size */
if (smb2_oob(buf, ptr, 8)) {
- return NT_STATUS_BUFFER_TOO_SMALL;
+ return NT_STATUS_INVALID_PARAMETER;
}
if (blob.data == NULL) {
@@ -488,7 +488,7 @@ NTSTATUS smb2_push_s32o32_blob(struct smb2_request_buffer *buf,
/* check if there're enough room for ofs and size */
if (smb2_oob(buf, ptr, 8)) {
- return NT_STATUS_BUFFER_TOO_SMALL;
+ return NT_STATUS_INVALID_PARAMETER;
}
if (blob.data == NULL) {
@@ -533,7 +533,7 @@ NTSTATUS smb2_pull_o16s32_blob(struct smb2_request_buffer *buf, TALLOC_CTX *mem_
uint32_t size;
if (smb2_oob(buf, ptr, 6)) {
- return NT_STATUS_BUFFER_TOO_SMALL;
+ return NT_STATUS_INVALID_PARAMETER;
}
ofs = SVAL(ptr, 0);
size = IVAL(ptr, 2);
@@ -542,7 +542,7 @@ NTSTATUS smb2_pull_o16s32_blob(struct smb2_request_buffer *buf, TALLOC_CTX *mem_
return NT_STATUS_OK;
}
if (smb2_oob(buf, buf->hdr + ofs, size)) {
- return NT_STATUS_BUFFER_TOO_SMALL;
+ return NT_STATUS_INVALID_PARAMETER;
}
*blob = data_blob_talloc(mem_ctx, buf->hdr + ofs, size);
NT_STATUS_HAVE_NO_MEMORY(blob->data);
@@ -557,7 +557,7 @@ NTSTATUS smb2_pull_o32s32_blob(struct smb2_request_buffer *buf, TALLOC_CTX *mem_
{
uint32_t ofs, size;
if (smb2_oob(buf, ptr, 8)) {
- return NT_STATUS_BUFFER_TOO_SMALL;
+ return NT_STATUS_INVALID_PARAMETER;
}
ofs = IVAL(ptr, 0);
size = IVAL(ptr, 4);
@@ -566,7 +566,7 @@ NTSTATUS smb2_pull_o32s32_blob(struct smb2_request_buffer *buf, TALLOC_CTX *mem_
return NT_STATUS_OK;
}
if (smb2_oob(buf, buf->hdr + ofs, size)) {
- return NT_STATUS_BUFFER_TOO_SMALL;
+ return NT_STATUS_INVALID_PARAMETER;
}
*blob = data_blob_talloc(mem_ctx, buf->hdr + ofs, size);
NT_STATUS_HAVE_NO_MEMORY(blob->data);
@@ -584,7 +584,7 @@ NTSTATUS smb2_pull_o16As32_blob(struct smb2_request_buffer *buf, TALLOC_CTX *mem
{
uint32_t ofs, size;
if (smb2_oob(buf, ptr, 8)) {
- return NT_STATUS_BUFFER_TOO_SMALL;
+ return NT_STATUS_INVALID_PARAMETER;
}
ofs = SVAL(ptr, 0);
size = IVAL(ptr, 4);
@@ -593,7 +593,7 @@ NTSTATUS smb2_pull_o16As32_blob(struct smb2_request_buffer *buf, TALLOC_CTX *mem
return NT_STATUS_OK;
}
if (smb2_oob(buf, buf->hdr + ofs, size)) {
- return NT_STATUS_BUFFER_TOO_SMALL;
+ return NT_STATUS_INVALID_PARAMETER;
}
*blob = data_blob_talloc(mem_ctx, buf->hdr + ofs, size);
NT_STATUS_HAVE_NO_MEMORY(blob->data);
@@ -608,7 +608,7 @@ NTSTATUS smb2_pull_s32o32_blob(struct smb2_request_buffer *buf, TALLOC_CTX *mem_
{
uint32_t ofs, size;
if (smb2_oob(buf, ptr, 8)) {
- return NT_STATUS_BUFFER_TOO_SMALL;
+ return NT_STATUS_INVALID_PARAMETER;
}
size = IVAL(ptr, 0);
ofs = IVAL(ptr, 4);
@@ -617,7 +617,31 @@ NTSTATUS smb2_pull_s32o32_blob(struct smb2_request_buffer *buf, TALLOC_CTX *mem_
return NT_STATUS_OK;
}
if (smb2_oob(buf, buf->hdr + ofs, size)) {
- return NT_STATUS_BUFFER_TOO_SMALL;
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ *blob = data_blob_talloc(mem_ctx, buf->hdr + ofs, size);
+ NT_STATUS_HAVE_NO_MEMORY(blob->data);
+ return NT_STATUS_OK;
+}
+
+/*
+ pull a uint32_t length/ uint16_t ofs/blob triple from a data blob
+ the ptr points to the start of the offset/length pair
+*/
+NTSTATUS smb2_pull_s32o16_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_INVALID_PARAMETER;
+ }
+ size = IVAL(ptr, 0);
+ ofs = SVAL(ptr, 4);
+ if (ofs == 0) {
+ *blob = data_blob(NULL, 0);
+ return NT_STATUS_OK;
+ }
+ if (smb2_oob(buf, buf->hdr + ofs, size)) {
+ return NT_STATUS_INVALID_PARAMETER;
}
*blob = data_blob_talloc(mem_ctx, buf->hdr + ofs, size);
NT_STATUS_HAVE_NO_MEMORY(blob->data);