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authorVolker Lendecke <vl@samba.org>2008-01-25 23:12:04 +0100
committerVolker Lendecke <vl@samba.org>2008-02-02 11:03:22 +0100
commit250b2b6464521fa4e2b5c737164e1ce68755677f (patch)
tree56ab86443a6565ceb307e29ecb77afcb5017cbd8 /source3/smbd
parente604e137e21af52efdbabc28863a5ea76d8d620d (diff)
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Convert receive_smb_raw_talloc_partial_read to NTSTATUS
(This used to be commit 9a82350ba92bf5fc4f2968d5130bcb2118e7a981)
Diffstat (limited to 'source3/smbd')
-rw-r--r--source3/smbd/process.c106
1 files changed, 47 insertions, 59 deletions
diff --git a/source3/smbd/process.c b/source3/smbd/process.c
index 4d9a90a840..10ef67c2b2 100644
--- a/source3/smbd/process.c
+++ b/source3/smbd/process.c
@@ -128,15 +128,6 @@ static bool valid_packet_size(size_t len)
DEBUG(0,("Invalid packet length! (%lu bytes).\n",
(unsigned long)len));
if (len > BUFFER_SIZE + (SAFETY_MARGIN/2)) {
-
- /*
- * Correct fix. smb_read_error may have already been
- * set. Only set it here if not already set. Global
- * variables still suck :-). JRA.
- */
-
- cond_set_smb_read_error(get_srv_read_error(),
- SMB_READ_ERROR);
return false;
}
}
@@ -170,30 +161,29 @@ static NTSTATUS read_packet_remainder(int fd, char *buffer,
(2*14) + /* word count (including bcc) */ \
1 /* pad byte */)
-static ssize_t receive_smb_raw_talloc_partial_read(TALLOC_CTX *mem_ctx,
- const char lenbuf[4],
- int fd,
- char **buffer,
- unsigned int timeout,
- size_t *p_unread)
+static NTSTATUS receive_smb_raw_talloc_partial_read(TALLOC_CTX *mem_ctx,
+ const char lenbuf[4],
+ int fd, char **buffer,
+ unsigned int timeout,
+ size_t *p_unread,
+ size_t *len_ret)
{
/* Size of a WRITEX call (+4 byte len). */
char writeX_header[4 + STANDARD_WRITE_AND_X_HEADER_SIZE];
ssize_t len = smb_len_large(lenbuf); /* Could be a UNIX large writeX. */
ssize_t toread;
- ssize_t ret;
+ NTSTATUS status;
memcpy(writeX_header, lenbuf, sizeof(lenbuf));
- ret = read_socket_with_timeout(fd, writeX_header + 4,
- STANDARD_WRITE_AND_X_HEADER_SIZE,
- STANDARD_WRITE_AND_X_HEADER_SIZE,
- timeout, get_srv_read_error());
+ status = read_socket_with_timeout_ntstatus(
+ fd, writeX_header + 4,
+ STANDARD_WRITE_AND_X_HEADER_SIZE,
+ STANDARD_WRITE_AND_X_HEADER_SIZE,
+ timeout, NULL);
- if (ret != STANDARD_WRITE_AND_X_HEADER_SIZE) {
- cond_set_smb_read_error(get_srv_read_error(),
- SMB_READ_ERROR);
- return -1;
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
}
/*
@@ -232,19 +222,17 @@ static ssize_t receive_smb_raw_talloc_partial_read(TALLOC_CTX *mem_ctx,
if (*buffer == NULL) {
DEBUG(0, ("Could not allocate inbuf of length %d\n",
(int)sizeof(writeX_header)));
- cond_set_smb_read_error(get_srv_read_error(),
- SMB_READ_ERROR);
- return -1;
+ return NT_STATUS_NO_MEMORY;
}
/* Work out the remaining bytes. */
*p_unread = len - STANDARD_WRITE_AND_X_HEADER_SIZE;
-
- return newlen + 4;
+ *len_ret = newlen + 4;
+ return NT_STATUS_OK;
}
if (!valid_packet_size(len)) {
- return -1;
+ return NT_STATUS_INVALID_PARAMETER;
}
/*
@@ -257,9 +245,7 @@ static ssize_t receive_smb_raw_talloc_partial_read(TALLOC_CTX *mem_ctx,
if (*buffer == NULL) {
DEBUG(0, ("Could not allocate inbuf of length %d\n",
(int)len+4));
- cond_set_smb_read_error(get_srv_read_error(),
- SMB_READ_ERROR);
- return -1;
+ return NT_STATUS_NO_MEMORY;
}
/* Copy in what we already read. */
@@ -269,34 +255,17 @@ static ssize_t receive_smb_raw_talloc_partial_read(TALLOC_CTX *mem_ctx,
toread = len - STANDARD_WRITE_AND_X_HEADER_SIZE;
if(toread > 0) {
- NTSTATUS status;
-
- set_smb_read_error(get_srv_read_error(), SMB_READ_OK);
-
status = read_packet_remainder(
fd, (*buffer) + 4 + STANDARD_WRITE_AND_X_HEADER_SIZE,
timeout, toread);
if (!NT_STATUS_IS_OK(status)) {
- if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE)) {
- set_smb_read_error(get_srv_read_error(),
- SMB_READ_EOF);
- return -1;
- }
-
- if (NT_STATUS_EQUAL(status, NT_STATUS_IO_TIMEOUT)) {
- set_smb_read_error(get_srv_read_error(),
- SMB_READ_TIMEOUT);
- return -1;
- }
-
- set_smb_read_error(get_srv_read_error(),
- SMB_READ_ERROR);
- return -1;
+ return status;
}
}
- return len + 4;
+ *len_ret = len + 4;
+ return NT_STATUS_OK;
}
static ssize_t receive_smb_raw_talloc(TALLOC_CTX *mem_ctx,
@@ -337,15 +306,34 @@ static ssize_t receive_smb_raw_talloc(TALLOC_CTX *mem_ctx,
smb_len_large(lenbuf) > min_recv_size && /* Could be a UNIX large writeX. */
!srv_is_signing_active()) {
- return receive_smb_raw_talloc_partial_read(mem_ctx,
- lenbuf,
- fd,
- buffer,
- timeout,
- p_unread);
+ status = receive_smb_raw_talloc_partial_read(
+ mem_ctx, lenbuf, fd, buffer, timeout, p_unread, &len);
+
+ if (!NT_STATUS_IS_OK(status)) {
+
+ DEBUG(10, ("receive_smb_raw: %s\n",
+ nt_errstr(status)));
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_END_OF_FILE)) {
+ set_smb_read_error(get_srv_read_error(),
+ SMB_READ_EOF);
+ return -1;
+ }
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_IO_TIMEOUT)) {
+ set_smb_read_error(get_srv_read_error(),
+ SMB_READ_TIMEOUT);
+ return -1;
+ }
+
+ set_smb_read_error(get_srv_read_error(),
+ SMB_READ_ERROR);
+ return -1;
+ }
}
if (!valid_packet_size(len)) {
+ cond_set_smb_read_error(get_srv_read_error(),SMB_READ_ERROR);
return -1;
}