This one seemed to break smb3.11 mounts - so I backed out all but the
first in the series till we can verify
On Wed, May 30, 2018 at 4:43 PM, Ronnie Sahlberg <lsahlber@xxxxxxxxxx> wrote:
> Separate out all the 4 byte rfc1002 headers so that they are no longer
> part of the SMB2 header structures to prepare for future work to add
> compounding support.
>
> Update the smb3 transform header processing that we no longer have
> a rfc1002 header at the start of this structure.
>
> Update smb2_readv_callback to accomodate that the first iovector in the
> response is no the smb2 header and no longer a rfc1002 header.
>
> Signed-off-by: Ronnie Sahlberg <lsahlber@xxxxxxxxxx>
> ---
> fs/cifs/connect.c | 6 ++-
> fs/cifs/smb2ops.c | 112 ++++++++++++++++++++++++++++--------------------
> fs/cifs/smb2pdu.c | 27 +++++-------
> fs/cifs/smb2pdu.h | 6 ---
> fs/cifs/smb2transport.c | 10 ++---
> 5 files changed, 85 insertions(+), 76 deletions(-)
>
> diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
> index 4c0e3f6ae356..34a64719d3e2 100644
> --- a/fs/cifs/connect.c
> +++ b/fs/cifs/connect.c
> @@ -882,7 +882,11 @@ cifs_demultiplex_thread(void *p)
> length = cifs_read_from_socket(server, buf, pdu_length);
> if (length < 0)
> continue;
> - server->total_read = length;
> +
> + if (server->vals->header_preamble_size == 0)
> + server->total_read = 0;
> + else
> + server->total_read = length;
>
> /*
> * The right amount was read from socket - 4 bytes,
> diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
> index 7c0edd2ab784..20cc67c3a6d0 100644
> --- a/fs/cifs/smb2ops.c
> +++ b/fs/cifs/smb2ops.c
> @@ -2144,12 +2144,11 @@ smb2_dir_needs_close(struct cifsFileInfo *cfile)
> }
>
> static void
> -fill_transform_hdr(struct TCP_Server_Info *server,
> - struct smb2_transform_hdr *tr_hdr, struct smb_rqst *old_rq)
> +fill_transform_hdr(struct smb2_transform_hdr *tr_hdr, unsigned int orig_len,
> + struct smb_rqst *old_rq)
> {
> struct smb2_sync_hdr *shdr =
> (struct smb2_sync_hdr *)old_rq->rq_iov[1].iov_base;
> - unsigned int orig_len = get_rfc1002_length(old_rq->rq_iov[0].iov_base);
>
> memset(tr_hdr, 0, sizeof(struct smb2_transform_hdr));
> tr_hdr->ProtocolId = SMB2_TRANSFORM_PROTO_NUM;
> @@ -2157,8 +2156,6 @@ fill_transform_hdr(struct TCP_Server_Info *server,
> tr_hdr->Flags = cpu_to_le16(0x01);
> get_random_bytes(&tr_hdr->Nonce, SMB3_AES128CMM_NONCE);
> memcpy(&tr_hdr->SessionId, &shdr->SessionId, 8);
> - inc_rfc1001_len(tr_hdr, sizeof(struct smb2_transform_hdr) - server->vals->header_preamble_size);
> - inc_rfc1001_len(tr_hdr, orig_len);
> }
>
> /* We can not use the normal sg_set_buf() as we will sometimes pass a
> @@ -2170,11 +2167,16 @@ static inline void smb2_sg_set_buf(struct scatterlist *sg, const void *buf,
> sg_set_page(sg, virt_to_page(buf), buflen, offset_in_page(buf));
> }
>
> +/* Assumes:
> + * rqst->rq_iov[0] is rfc1002 length
> + * rqst->rq_iov[1] is tranform header
> + * rqst->rq_iov[2+] data to be encrypted/decrypted
> + */
> static struct scatterlist *
> init_sg(struct smb_rqst *rqst, u8 *sign)
> {
> - unsigned int sg_len = rqst->rq_nvec + rqst->rq_npages + 1;
> - unsigned int assoc_data_len = sizeof(struct smb2_transform_hdr) - 24;
> + unsigned int sg_len = rqst->rq_nvec + rqst->rq_npages;
> + unsigned int assoc_data_len = sizeof(struct smb2_transform_hdr) - 20;
> struct scatterlist *sg;
> unsigned int i;
> unsigned int j;
> @@ -2184,10 +2186,10 @@ init_sg(struct smb_rqst *rqst, u8 *sign)
> return NULL;
>
> sg_init_table(sg, sg_len);
> - smb2_sg_set_buf(&sg[0], rqst->rq_iov[0].iov_base + 24, assoc_data_len);
> - for (i = 1; i < rqst->rq_nvec; i++)
> - smb2_sg_set_buf(&sg[i], rqst->rq_iov[i].iov_base,
> - rqst->rq_iov[i].iov_len);
> + smb2_sg_set_buf(&sg[0], rqst->rq_iov[1].iov_base + 20, assoc_data_len);
> + for (i = 1; i < rqst->rq_nvec - 1; i++)
> + smb2_sg_set_buf(&sg[i], rqst->rq_iov[i+1].iov_base,
> + rqst->rq_iov[i+1].iov_len);
> for (j = 0; i < sg_len - 1; i++, j++) {
> unsigned int len = (j < rqst->rq_npages - 1) ? rqst->rq_pagesz
> : rqst->rq_tailsz;
> @@ -2219,9 +2221,10 @@ smb2_get_enc_key(struct TCP_Server_Info *server, __u64 ses_id, int enc, u8 *key)
> }
> /*
> * Encrypt or decrypt @rqst message. @rqst has the following format:
> - * iov[0] - transform header (associate data),
> - * iov[1-N] and pages - data to encrypt.
> - * On success return encrypted data in iov[1-N] and pages, leave iov[0]
> + * iov[0] - rfc1002 length
> + * iov[1] - transform header (associate data),
> + * iov[2-N] and pages - data to encrypt.
> + * On success return encrypted data in iov[2-N] and pages, leave iov[0-1]
> * untouched.
> */
> static int
> @@ -2316,6 +2319,10 @@ crypt_message(struct TCP_Server_Info *server, struct smb_rqst *rqst, int enc)
> return rc;
> }
>
> +/*
> + * This is called from smb_send_rqst. At this point we have the rfc1002
> + * header as the first element in the vector.
> + */
> static int
> smb3_init_transform_rq(struct TCP_Server_Info *server, struct smb_rqst *new_rq,
> struct smb_rqst *old_rq)
> @@ -2324,6 +2331,7 @@ smb3_init_transform_rq(struct TCP_Server_Info *server, struct smb_rqst *new_rq,
> struct page **pages;
> struct smb2_transform_hdr *tr_hdr;
> unsigned int npages = old_rq->rq_npages;
> + unsigned int orig_len = get_rfc1002_length(old_rq->rq_iov[0].iov_base);
> int i;
> int rc = -ENOMEM;
>
> @@ -2342,24 +2350,34 @@ smb3_init_transform_rq(struct TCP_Server_Info *server, struct smb_rqst *new_rq,
> goto err_free_pages;
> }
>
> - iov = kmalloc_array(old_rq->rq_nvec, sizeof(struct kvec), GFP_KERNEL);
> + /* Make space for one extra iov to hold the transform header */
> + iov = kmalloc_array(old_rq->rq_nvec + 1, sizeof(struct kvec),
> + GFP_KERNEL);
> if (!iov)
> goto err_free_pages;
>
> /* copy all iovs from the old except the 1st one (rfc1002 length) */
> - memcpy(&iov[1], &old_rq->rq_iov[1],
> + memcpy(&iov[2], &old_rq->rq_iov[1],
> sizeof(struct kvec) * (old_rq->rq_nvec - 1));
> + /* copy the rfc1002 iov */
> + iov[0].iov_base = old_rq->rq_iov[0].iov_base;
> + iov[0].iov_len = old_rq->rq_iov[0].iov_len;
> +
> new_rq->rq_iov = iov;
> - new_rq->rq_nvec = old_rq->rq_nvec;
> + new_rq->rq_nvec = old_rq->rq_nvec + 1;
>
> tr_hdr = kmalloc(sizeof(struct smb2_transform_hdr), GFP_KERNEL);
> if (!tr_hdr)
> goto err_free_iov;
>
> - /* fill the 1st iov with a transform header */
> - fill_transform_hdr(server, tr_hdr, old_rq);
> - new_rq->rq_iov[0].iov_base = tr_hdr;
> - new_rq->rq_iov[0].iov_len = sizeof(struct smb2_transform_hdr);
> + /* fill the 2nd iov with a transform header */
> + fill_transform_hdr(tr_hdr, orig_len, old_rq);
> + new_rq->rq_iov[1].iov_base = tr_hdr;
> + new_rq->rq_iov[1].iov_len = sizeof(struct smb2_transform_hdr);
> +
> + /* Update rfc1002 header */
> + inc_rfc1001_len(new_rq->rq_iov[0].iov_base,
> + sizeof(struct smb2_transform_hdr));
>
> /* copy pages form the old */
> for (i = 0; i < npages; i++) {
> @@ -2399,7 +2417,7 @@ smb3_free_transform_rq(struct smb_rqst *rqst)
> put_page(rqst->rq_pages[i]);
> kfree(rqst->rq_pages);
> /* free transform header */
> - kfree(rqst->rq_iov[0].iov_base);
> + kfree(rqst->rq_iov[1].iov_base);
> kfree(rqst->rq_iov);
> }
>
> @@ -2416,18 +2434,19 @@ decrypt_raw_data(struct TCP_Server_Info *server, char *buf,
> unsigned int buf_data_size, struct page **pages,
> unsigned int npages, unsigned int page_data_size)
> {
> - struct kvec iov[2];
> + struct kvec iov[3];
> struct smb_rqst rqst = {NULL};
> - struct smb2_hdr *hdr;
> int rc;
>
> - iov[0].iov_base = buf;
> - iov[0].iov_len = sizeof(struct smb2_transform_hdr);
> - iov[1].iov_base = buf + sizeof(struct smb2_transform_hdr);
> - iov[1].iov_len = buf_data_size;
> + iov[0].iov_base = NULL;
> + iov[0].iov_len = 0;
> + iov[1].iov_base = buf;
> + iov[1].iov_len = sizeof(struct smb2_transform_hdr);
> + iov[2].iov_base = buf + sizeof(struct smb2_transform_hdr);
> + iov[2].iov_len = buf_data_size;
>
> rqst.rq_iov = iov;
> - rqst.rq_nvec = 2;
> + rqst.rq_nvec = 3;
> rqst.rq_pages = pages;
> rqst.rq_npages = npages;
> rqst.rq_pagesz = PAGE_SIZE;
> @@ -2439,10 +2458,9 @@ decrypt_raw_data(struct TCP_Server_Info *server, char *buf,
> if (rc)
> return rc;
>
> - memmove(buf + server->vals->header_preamble_size, iov[1].iov_base, buf_data_size);
> - hdr = (struct smb2_hdr *)buf;
> - hdr->smb2_buf_length = cpu_to_be32(buf_data_size + page_data_size);
> - server->total_read = buf_data_size + page_data_size + server->vals->header_preamble_size;
> + memmove(buf + server->vals->header_preamble_size, iov[2].iov_base, buf_data_size);
> +
> + server->total_read = buf_data_size + page_data_size;
>
> return rc;
> }
> @@ -3196,8 +3214,8 @@ struct smb_version_values smb20_values = {
> .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
> .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
> .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
> - .header_size = sizeof(struct smb2_hdr),
> - .header_preamble_size = 4,
> + .header_size = sizeof(struct smb2_sync_hdr),
> + .header_preamble_size = 0,
> .max_header_size = MAX_SMB2_HDR_SIZE,
> .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
> .lock_cmd = SMB2_LOCK,
> @@ -3217,8 +3235,8 @@ struct smb_version_values smb21_values = {
> .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
> .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
> .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
> - .header_size = sizeof(struct smb2_hdr),
> - .header_preamble_size = 4,
> + .header_size = sizeof(struct smb2_sync_hdr),
> + .header_preamble_size = 0,
> .max_header_size = MAX_SMB2_HDR_SIZE,
> .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
> .lock_cmd = SMB2_LOCK,
> @@ -3238,8 +3256,8 @@ struct smb_version_values smb3any_values = {
> .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
> .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
> .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
> - .header_size = sizeof(struct smb2_hdr),
> - .header_preamble_size = 4,
> + .header_size = sizeof(struct smb2_sync_hdr),
> + .header_preamble_size = 0,
> .max_header_size = MAX_SMB2_HDR_SIZE,
> .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
> .lock_cmd = SMB2_LOCK,
> @@ -3259,8 +3277,8 @@ struct smb_version_values smbdefault_values = {
> .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
> .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
> .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
> - .header_size = sizeof(struct smb2_hdr),
> - .header_preamble_size = 4,
> + .header_size = sizeof(struct smb2_sync_hdr),
> + .header_preamble_size = 0,
> .max_header_size = MAX_SMB2_HDR_SIZE,
> .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
> .lock_cmd = SMB2_LOCK,
> @@ -3280,8 +3298,8 @@ struct smb_version_values smb30_values = {
> .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
> .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
> .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
> - .header_size = sizeof(struct smb2_hdr),
> - .header_preamble_size = 4,
> + .header_size = sizeof(struct smb2_sync_hdr),
> + .header_preamble_size = 0,
> .max_header_size = MAX_SMB2_HDR_SIZE,
> .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
> .lock_cmd = SMB2_LOCK,
> @@ -3301,8 +3319,8 @@ struct smb_version_values smb302_values = {
> .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
> .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
> .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
> - .header_size = sizeof(struct smb2_hdr),
> - .header_preamble_size = 4,
> + .header_size = sizeof(struct smb2_sync_hdr),
> + .header_preamble_size = 0,
> .max_header_size = MAX_SMB2_HDR_SIZE,
> .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
> .lock_cmd = SMB2_LOCK,
> @@ -3323,8 +3341,8 @@ struct smb_version_values smb311_values = {
> .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
> .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
> .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
> - .header_size = sizeof(struct smb2_hdr),
> - .header_preamble_size = 4,
> + .header_size = sizeof(struct smb2_sync_hdr),
> + .header_preamble_size = 0,
> .max_header_size = MAX_SMB2_HDR_SIZE,
> .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
> .lock_cmd = SMB2_LOCK,
> diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
> index fd9cc24b86a2..c5f24c71c10d 100644
> --- a/fs/cifs/smb2pdu.c
> +++ b/fs/cifs/smb2pdu.c
> @@ -465,12 +465,12 @@ static int decode_encrypt_ctx(struct TCP_Server_Info *server,
> }
>
> static int smb311_decode_neg_context(struct smb2_negotiate_rsp *rsp,
> - struct TCP_Server_Info *server)
> + struct TCP_Server_Info *server,
> + unsigned int len_of_smb)
> {
> struct smb2_neg_context *pctx;
> unsigned int offset = le32_to_cpu(rsp->NegotiateContextOffset);
> unsigned int ctxt_cnt = le16_to_cpu(rsp->NegotiateContextCount);
> - unsigned int len_of_smb = be32_to_cpu(rsp->hdr.smb2_buf_length);
> unsigned int len_of_ctxts, i;
> int rc = 0;
>
> @@ -736,7 +736,8 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses)
> #ifdef CONFIG_CIFS_SMB311
> if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) {
> if (rsp->NegotiateContextCount)
> - rc = smb311_decode_neg_context(rsp, server);
> + rc = smb311_decode_neg_context(rsp, server,
> + rsp_iov.iov_len);
> else
> cifs_dbg(VFS, "Missing expected negotiate contexts\n");
> }
> @@ -2014,7 +2015,6 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
> {
> struct smb2_ioctl_req *req;
> struct smb2_ioctl_rsp *rsp;
> - struct smb2_sync_hdr *shdr;
> struct cifs_ses *ses;
> struct kvec iov[2];
> struct kvec rsp_iov;
> @@ -2139,7 +2139,7 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
> goto ioctl_exit;
> }
>
> - if (get_rfc1002_length(rsp) < le32_to_cpu(rsp->OutputOffset) + *plen) {
> + if (rsp_iov.iov_len < le32_to_cpu(rsp->OutputOffset) + *plen) {
> cifs_dbg(VFS, "Malformed ioctl resp: len %d offset %d\n", *plen,
> le32_to_cpu(rsp->OutputOffset));
> *plen = 0;
> @@ -2153,8 +2153,7 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
> goto ioctl_exit;
> }
>
> - shdr = get_sync_hdr(rsp);
> - memcpy(*out_data, (char *)shdr + le32_to_cpu(rsp->OutputOffset), *plen);
> + memcpy(*out_data, (char *)rsp + le32_to_cpu(rsp->OutputOffset), *plen);
> ioctl_exit:
> free_rsp_buf(resp_buftype, rsp);
> return rc;
> @@ -2695,7 +2694,7 @@ smb2_readv_callback(struct mid_q_entry *mid)
> struct cifs_tcon *tcon = tlink_tcon(rdata->cfile->tlink);
> struct TCP_Server_Info *server = tcon->ses->server;
> struct smb2_sync_hdr *shdr =
> - (struct smb2_sync_hdr *)rdata->iov[1].iov_base;
> + (struct smb2_sync_hdr *)rdata->iov[0].iov_base;
> unsigned int credits_received = 1;
> struct smb_rqst rqst = { .rq_iov = rdata->iov,
> .rq_nvec = 2,
> @@ -2847,7 +2846,6 @@ SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
> int resp_buftype, rc = -EACCES;
> struct smb2_read_plain_req *req = NULL;
> struct smb2_read_rsp *rsp = NULL;
> - struct smb2_sync_hdr *shdr;
> struct kvec iov[1];
> struct kvec rsp_iov;
> unsigned int total_len;
> @@ -2894,10 +2892,8 @@ SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
> *nbytes = 0;
> }
>
> - shdr = get_sync_hdr(rsp);
> -
> if (*buf) {
> - memcpy(*buf, (char *)shdr + rsp->DataOffset, *nbytes);
> + memcpy(*buf, (char *)rsp + rsp->DataOffset, *nbytes);
> free_rsp_buf(resp_buftype, rsp_iov.iov_base);
> } else if (resp_buftype != CIFS_NO_BUFFER) {
> *buf = rsp_iov.iov_base;
> @@ -3339,10 +3335,9 @@ SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
> cifs_buf_release(srch_inf->ntwrk_buf_start);
> }
> srch_inf->ntwrk_buf_start = (char *)rsp;
> - srch_inf->srch_entries_start = srch_inf->last_entry = 4 /* rfclen */ +
> - (char *)&rsp->hdr + le16_to_cpu(rsp->OutputBufferOffset);
> - /* 4 for rfc1002 length field */
> - end_of_smb = get_rfc1002_length(rsp) + 4 + (char *)&rsp->hdr;
> + srch_inf->srch_entries_start = srch_inf->last_entry =
> + (char *)rsp + le16_to_cpu(rsp->OutputBufferOffset);
> + end_of_smb = rsp_iov.iov_len + (char *)rsp;
> srch_inf->entries_in_buffer =
> num_entries(srch_inf->srch_entries_start, end_of_smb,
> &srch_inf->last_entry, info_buf_size);
> diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
> index 853e5a707276..6ef786519be8 100644
> --- a/fs/cifs/smb2pdu.h
> +++ b/fs/cifs/smb2pdu.h
> @@ -123,9 +123,6 @@ struct smb2_sync_pdu {
> } __packed;
>
> struct smb2_hdr {
> - __be32 smb2_buf_length; /* big endian on wire */
> - /* length is only two or three bytes - with */
> - /* one or two byte type preceding it that MBZ */
> struct smb2_sync_hdr sync_hdr;
> } __packed;
>
> @@ -138,9 +135,6 @@ struct smb2_pdu {
> #define SMB3_AES128GCM_NONCE 12
>
> struct smb2_transform_hdr {
> - __be32 smb2_buf_length; /* big endian on wire */
> - /* length is only two or three bytes - with
> - one or two byte type preceding it that MBZ */
> __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */
> __u8 Signature[16];
> __u8 Nonce[16];
> diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c
> index 8806f3f76c1d..2c671123a6bf 100644
> --- a/fs/cifs/smb2transport.c
> +++ b/fs/cifs/smb2transport.c
> @@ -480,7 +480,7 @@ smb2_verify_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server)
> unsigned int rc;
> char server_response_sig[16];
> struct smb2_sync_hdr *shdr =
> - (struct smb2_sync_hdr *)rqst->rq_iov[1].iov_base;
> + (struct smb2_sync_hdr *)rqst->rq_iov[0].iov_base;
>
> if ((shdr->Command == SMB2_NEGOTIATE) ||
> (shdr->Command == SMB2_SESSION_SETUP) ||
> @@ -605,14 +605,12 @@ smb2_check_receive(struct mid_q_entry *mid, struct TCP_Server_Info *server,
> bool log_error)
> {
> unsigned int len = mid->resp_buf_size;
> - struct kvec iov[2];
> + struct kvec iov[1];
> struct smb_rqst rqst = { .rq_iov = iov,
> - .rq_nvec = 2 };
> + .rq_nvec = 1 };
>
> iov[0].iov_base = (char *)mid->resp_buf;
> - iov[0].iov_len = 4;
> - iov[1].iov_base = (char *)mid->resp_buf + 4;
> - iov[1].iov_len = len;
> + iov[0].iov_len = len;
>
> dump_smb(mid->resp_buf, min_t(u32, 80, len));
> /* convert the length into a more usable form */
> --
> 2.13.3
>
--
Thanks,
Steve
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