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-rw-r--r--source3/smbd/smb1_nttrans.c2718
1 files changed, 2718 insertions, 0 deletions
diff --git a/source3/smbd/smb1_nttrans.c b/source3/smbd/smb1_nttrans.c
new file mode 100644
index 0000000..104d3c0
--- /dev/null
+++ b/source3/smbd/smb1_nttrans.c
@@ -0,0 +1,2718 @@
+/*
+ Unix SMB/CIFS implementation.
+ SMB NT transaction handling
+ Copyright (C) Jeremy Allison 1994-2007
+ Copyright (C) Stefan (metze) Metzmacher 2003
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "system/filesys.h"
+#include "smbd/smbd.h"
+#include "smbd/globals.h"
+#include "fake_file.h"
+#include "../libcli/security/security.h"
+#include "../librpc/gen_ndr/ndr_security.h"
+#include "passdb/lookup_sid.h"
+#include "auth.h"
+#include "smbprofile.h"
+#include "libsmb/libsmb.h"
+#include "lib/util_ea.h"
+#include "librpc/gen_ndr/ndr_quota.h"
+#include "librpc/gen_ndr/ndr_security.h"
+
+static char *nttrans_realloc(char **ptr, size_t size)
+{
+ if (ptr==NULL) {
+ smb_panic("nttrans_realloc() called with NULL ptr");
+ }
+
+ *ptr = (char *)SMB_REALLOC(*ptr, size);
+ if(*ptr == NULL) {
+ return NULL;
+ }
+ memset(*ptr,'\0',size);
+ return *ptr;
+}
+
+/****************************************************************************
+ Send the required number of replies back.
+ We assume all fields other than the data fields are
+ set correctly for the type of call.
+ HACK ! Always assumes smb_setup field is zero.
+****************************************************************************/
+
+static void send_nt_replies(connection_struct *conn,
+ struct smb_request *req, NTSTATUS nt_error,
+ char *params, int paramsize,
+ char *pdata, int datasize)
+{
+ int data_to_send = datasize;
+ int params_to_send = paramsize;
+ int useable_space;
+ char *pp = params;
+ char *pd = pdata;
+ int params_sent_thistime, data_sent_thistime, total_sent_thistime;
+ int alignment_offset = 1;
+ int data_alignment_offset = 0;
+ struct smbXsrv_connection *xconn = req->xconn;
+ int max_send = xconn->smb1.sessions.max_send;
+
+ /*
+ * If there genuinely are no parameters or data to send just send
+ * the empty packet.
+ */
+
+ if(params_to_send == 0 && data_to_send == 0) {
+ reply_smb1_outbuf(req, 18, 0);
+ if (NT_STATUS_V(nt_error)) {
+ error_packet_set((char *)req->outbuf,
+ 0, 0, nt_error,
+ __LINE__,__FILE__);
+ }
+ show_msg((char *)req->outbuf);
+ if (!smb1_srv_send(xconn,
+ (char *)req->outbuf,
+ true,
+ req->seqnum + 1,
+ IS_CONN_ENCRYPTED(conn))) {
+ exit_server_cleanly("send_nt_replies: smb1_srv_send failed.");
+ }
+ TALLOC_FREE(req->outbuf);
+ return;
+ }
+
+ /*
+ * When sending params and data ensure that both are nicely aligned.
+ * Only do this alignment when there is also data to send - else
+ * can cause NT redirector problems.
+ */
+
+ if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
+ data_alignment_offset = 4 - (params_to_send % 4);
+ }
+
+ /*
+ * Space is bufsize minus Netbios over TCP header minus SMB header.
+ * The alignment_offset is to align the param bytes on a four byte
+ * boundary (2 bytes for data len, one byte pad).
+ * NT needs this to work correctly.
+ */
+
+ useable_space = max_send - (smb_size
+ + 2 * 18 /* wct */
+ + alignment_offset
+ + data_alignment_offset);
+
+ if (useable_space < 0) {
+ char *msg = talloc_asprintf(
+ talloc_tos(),
+ "send_nt_replies failed sanity useable_space = %d!!!",
+ useable_space);
+ DEBUG(0, ("%s\n", msg));
+ exit_server_cleanly(msg);
+ }
+
+ while (params_to_send || data_to_send) {
+
+ /*
+ * Calculate whether we will totally or partially fill this packet.
+ */
+
+ total_sent_thistime = params_to_send + data_to_send;
+
+ /*
+ * We can never send more than useable_space.
+ */
+
+ total_sent_thistime = MIN(total_sent_thistime, useable_space);
+
+ reply_smb1_outbuf(req, 18,
+ total_sent_thistime + alignment_offset
+ + data_alignment_offset);
+
+ /*
+ * Set total params and data to be sent.
+ */
+
+ SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
+ SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
+
+ /*
+ * Calculate how many parameters and data we can fit into
+ * this packet. Parameters get precedence.
+ */
+
+ params_sent_thistime = MIN(params_to_send,useable_space);
+ data_sent_thistime = useable_space - params_sent_thistime;
+ data_sent_thistime = MIN(data_sent_thistime,data_to_send);
+
+ SIVAL(req->outbuf, smb_ntr_ParameterCount,
+ params_sent_thistime);
+
+ if(params_sent_thistime == 0) {
+ SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
+ SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
+ } else {
+ /*
+ * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
+ * parameter bytes, however the first 4 bytes of outbuf are
+ * the Netbios over TCP header. Thus use smb_base() to subtract
+ * them from the calculation.
+ */
+
+ SIVAL(req->outbuf,smb_ntr_ParameterOffset,
+ ((smb_buf(req->outbuf)+alignment_offset)
+ - smb_base(req->outbuf)));
+ /*
+ * Absolute displacement of param bytes sent in this packet.
+ */
+
+ SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
+ pp - params);
+ }
+
+ /*
+ * Deal with the data portion.
+ */
+
+ SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
+
+ if(data_sent_thistime == 0) {
+ SIVAL(req->outbuf,smb_ntr_DataOffset,0);
+ SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
+ } else {
+ /*
+ * The offset of the data bytes is the offset of the
+ * parameter bytes plus the number of parameters being sent this time.
+ */
+
+ SIVAL(req->outbuf, smb_ntr_DataOffset,
+ ((smb_buf(req->outbuf)+alignment_offset) -
+ smb_base(req->outbuf))
+ + params_sent_thistime + data_alignment_offset);
+ SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
+ }
+
+ /*
+ * Copy the param bytes into the packet.
+ */
+
+ if(params_sent_thistime) {
+ if (alignment_offset != 0) {
+ memset(smb_buf(req->outbuf), 0,
+ alignment_offset);
+ }
+ memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
+ params_sent_thistime);
+ }
+
+ /*
+ * Copy in the data bytes
+ */
+
+ if(data_sent_thistime) {
+ if (data_alignment_offset != 0) {
+ memset((smb_buf(req->outbuf)+alignment_offset+
+ params_sent_thistime), 0,
+ data_alignment_offset);
+ }
+ memcpy(smb_buf(req->outbuf)+alignment_offset
+ +params_sent_thistime+data_alignment_offset,
+ pd,data_sent_thistime);
+ }
+
+ DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
+ params_sent_thistime, data_sent_thistime, useable_space));
+ DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
+ params_to_send, data_to_send, paramsize, datasize));
+
+ if (NT_STATUS_V(nt_error)) {
+ error_packet_set((char *)req->outbuf,
+ 0, 0, nt_error,
+ __LINE__,__FILE__);
+ }
+
+ /* Send the packet */
+ show_msg((char *)req->outbuf);
+ if (!smb1_srv_send(xconn,
+ (char *)req->outbuf,
+ true,
+ req->seqnum + 1,
+ IS_CONN_ENCRYPTED(conn))) {
+ exit_server_cleanly("send_nt_replies: smb1_srv_send failed.");
+ }
+
+ TALLOC_FREE(req->outbuf);
+
+ pp += params_sent_thistime;
+ pd += data_sent_thistime;
+
+ params_to_send -= params_sent_thistime;
+ data_to_send -= data_sent_thistime;
+
+ /*
+ * Sanity check
+ */
+
+ if(params_to_send < 0 || data_to_send < 0) {
+ DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
+ params_to_send, data_to_send));
+ exit_server_cleanly("send_nt_replies: internal error");
+ }
+ }
+}
+
+/****************************************************************************
+ Reply to an NT create and X call on a pipe
+****************************************************************************/
+
+static void nt_open_pipe(char *fname, connection_struct *conn,
+ struct smb_request *req, uint16_t *ppnum)
+{
+ files_struct *fsp;
+ NTSTATUS status;
+
+ DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
+
+ /* Strip \\ off the name if present. */
+ while (fname[0] == '\\') {
+ fname++;
+ }
+
+ status = open_np_file(req, fname, &fsp);
+ if (!NT_STATUS_IS_OK(status)) {
+ if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
+ reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
+ ERRDOS, ERRbadpipe);
+ return;
+ }
+ reply_nterror(req, status);
+ return;
+ }
+
+ *ppnum = fsp->fnum;
+ return;
+}
+
+/****************************************************************************
+ Reply to an NT create and X call for pipes.
+****************************************************************************/
+
+static void do_ntcreate_pipe_open(connection_struct *conn,
+ struct smb_request *req)
+{
+ char *fname = NULL;
+ uint16_t pnum = FNUM_FIELD_INVALID;
+ char *p = NULL;
+ uint32_t flags = IVAL(req->vwv+3, 1);
+ TALLOC_CTX *ctx = talloc_tos();
+
+ srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
+
+ if (!fname) {
+ reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
+ ERRDOS, ERRbadpipe);
+ return;
+ }
+ nt_open_pipe(fname, conn, req, &pnum);
+
+ if (req->outbuf) {
+ /* error reply */
+ return;
+ }
+
+ /*
+ * Deal with pipe return.
+ */
+
+ if (flags & EXTENDED_RESPONSE_REQUIRED) {
+ /* This is very strange. We
+ * return 50 words, but only set
+ * the wcnt to 42 ? It's definitely
+ * what happens on the wire....
+ */
+ reply_smb1_outbuf(req, 50, 0);
+ SCVAL(req->outbuf,smb_wct,42);
+ } else {
+ reply_smb1_outbuf(req, 34, 0);
+ }
+
+ SSVAL(req->outbuf, smb_vwv0, 0xff); /* andx chain ends */
+ SSVAL(req->outbuf, smb_vwv1, 0); /* no andx offset */
+
+ p = (char *)req->outbuf + smb_vwv2;
+ p++;
+ SSVAL(p,0,pnum);
+ p += 2;
+ SIVAL(p,0,FILE_WAS_OPENED);
+ p += 4;
+ p += 32;
+ SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
+ p += 20;
+ /* File type. */
+ SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
+ /* Device state. */
+ SSVAL(p,2, 0x5FF); /* ? */
+ p += 4;
+
+ if (flags & EXTENDED_RESPONSE_REQUIRED) {
+ p += 25;
+ SIVAL(p,0,FILE_GENERIC_ALL);
+ /*
+ * For pipes W2K3 seems to return
+ * 0x12019B next.
+ * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
+ */
+ SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
+ }
+
+ DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
+}
+
+struct case_semantics_state {
+ connection_struct *conn;
+ bool case_sensitive;
+ bool case_preserve;
+ bool short_case_preserve;
+};
+
+/****************************************************************************
+ Restore case semantics.
+****************************************************************************/
+
+static int restore_case_semantics(struct case_semantics_state *state)
+{
+ state->conn->case_sensitive = state->case_sensitive;
+ state->conn->case_preserve = state->case_preserve;
+ state->conn->short_case_preserve = state->short_case_preserve;
+ return 0;
+}
+
+/****************************************************************************
+ Save case semantics.
+****************************************************************************/
+
+static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
+ connection_struct *conn)
+{
+ struct case_semantics_state *result;
+
+ if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
+ return NULL;
+ }
+
+ result->conn = conn;
+ result->case_sensitive = conn->case_sensitive;
+ result->case_preserve = conn->case_preserve;
+ result->short_case_preserve = conn->short_case_preserve;
+
+ /* Set to POSIX. */
+ conn->case_sensitive = True;
+ conn->case_preserve = True;
+ conn->short_case_preserve = True;
+
+ talloc_set_destructor(result, restore_case_semantics);
+
+ return result;
+}
+
+/*
+ * Calculate the full path name given a relative fid.
+ */
+static NTSTATUS get_relative_fid_filename(connection_struct *conn,
+ struct smb_request *req,
+ uint16_t root_dir_fid,
+ char *path,
+ char **path_out)
+{
+ struct files_struct *dir_fsp = NULL;
+ char *new_path = NULL;
+
+ if (root_dir_fid == 0 || path == NULL) {
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+
+ dir_fsp = file_fsp(req, root_dir_fid);
+ if (dir_fsp == NULL) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+
+ if (fsp_is_alternate_stream(dir_fsp)) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+
+ if (!dir_fsp->fsp_flags.is_directory) {
+ /*
+ * Check to see if this is a mac fork of some kind.
+ */
+ if (conn->fs_capabilities & FILE_NAMED_STREAMS) {
+ char *stream = NULL;
+
+ stream = strchr_m(path, ':');
+ if (stream != NULL) {
+ return NT_STATUS_OBJECT_PATH_NOT_FOUND;
+ }
+ }
+
+ /*
+ * We need to handle the case when we get a relative open
+ * relative to a file and the pathname is blank - this is a
+ * reopen! (hint from demyn plantenberg)
+ */
+ return NT_STATUS_INVALID_HANDLE;
+ }
+
+ if (ISDOT(dir_fsp->fsp_name->base_name)) {
+ /*
+ * We're at the toplevel dir, the final file name
+ * must not contain ./, as this is filtered out
+ * normally by srvstr_get_path and unix_convert
+ * explicitly rejects paths containing ./.
+ */
+ new_path = talloc_strdup(talloc_tos(), path);
+ } else {
+ /*
+ * Copy in the base directory name.
+ */
+
+ new_path = talloc_asprintf(talloc_tos(),
+ "%s/%s",
+ dir_fsp->fsp_name->base_name,
+ path);
+ }
+ if (new_path == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ *path_out = new_path;
+ return NT_STATUS_OK;
+}
+
+/****************************************************************************
+ Reply to an NT create and X call.
+****************************************************************************/
+
+void reply_ntcreate_and_X(struct smb_request *req)
+{
+ connection_struct *conn = req->conn;
+ struct files_struct *dirfsp = NULL;
+ struct smb_filename *smb_fname = NULL;
+ char *fname = NULL;
+ uint32_t flags;
+ uint32_t access_mask;
+ uint32_t file_attributes;
+ uint32_t share_access;
+ uint32_t create_disposition;
+ uint32_t create_options;
+ uint16_t root_dir_fid;
+ uint64_t allocation_size;
+ /* Breakout the oplock request bits so we can set the
+ reply bits separately. */
+ uint32_t fattr=0;
+ off_t file_len = 0;
+ int info = 0;
+ files_struct *fsp = NULL;
+ char *p = NULL;
+ struct timespec create_timespec;
+ struct timespec c_timespec;
+ struct timespec a_timespec;
+ struct timespec m_timespec;
+ NTSTATUS status;
+ int oplock_request;
+ uint8_t oplock_granted = NO_OPLOCK_RETURN;
+ struct case_semantics_state *case_state = NULL;
+ uint32_t ucf_flags;
+ NTTIME twrp = 0;
+ TALLOC_CTX *ctx = talloc_tos();
+
+ START_PROFILE(SMBntcreateX);
+
+ if (req->wct < 24) {
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ goto out;
+ }
+
+ flags = IVAL(req->vwv+3, 1);
+ access_mask = IVAL(req->vwv+7, 1);
+ file_attributes = IVAL(req->vwv+13, 1);
+ share_access = IVAL(req->vwv+15, 1);
+ create_disposition = IVAL(req->vwv+17, 1);
+ create_options = IVAL(req->vwv+19, 1);
+ root_dir_fid = (uint16_t)IVAL(req->vwv+5, 1);
+
+ allocation_size = BVAL(req->vwv+9, 1);
+
+ srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
+ STR_TERMINATE, &status);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ reply_nterror(req, status);
+ goto out;
+ }
+
+ DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
+ "file_attributes = 0x%x, share_access = 0x%x, "
+ "create_disposition = 0x%x create_options = 0x%x "
+ "root_dir_fid = 0x%x, fname = %s\n",
+ (unsigned int)flags,
+ (unsigned int)access_mask,
+ (unsigned int)file_attributes,
+ (unsigned int)share_access,
+ (unsigned int)create_disposition,
+ (unsigned int)create_options,
+ (unsigned int)root_dir_fid,
+ fname));
+
+ /*
+ * we need to remove ignored bits when they come directly from the client
+ * because we reuse some of them for internal stuff
+ */
+ create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
+
+ /*
+ * If it's an IPC, use the pipe handler.
+ */
+
+ if (IS_IPC(conn)) {
+ if (lp_nt_pipe_support()) {
+ do_ntcreate_pipe_open(conn, req);
+ goto out;
+ }
+ reply_nterror(req, NT_STATUS_ACCESS_DENIED);
+ goto out;
+ }
+
+ oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
+ if (oplock_request) {
+ oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
+ ? BATCH_OPLOCK : 0;
+ }
+
+ if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
+ case_state = set_posix_case_semantics(ctx, conn);
+ if (!case_state) {
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ goto out;
+ }
+ }
+
+ if (root_dir_fid != 0) {
+ char *new_fname = NULL;
+
+ status = get_relative_fid_filename(conn,
+ req,
+ root_dir_fid,
+ fname,
+ &new_fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ reply_nterror(req, status);
+ goto out;
+ }
+ fname = new_fname;
+ }
+
+ ucf_flags = filename_create_ucf_flags(req, create_disposition);
+ if (ucf_flags & UCF_GMT_PATHNAME) {
+ extract_snapshot_token(fname, &twrp);
+ }
+ status = smb1_strip_dfs_path(ctx, &ucf_flags, &fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ reply_nterror(req, status);
+ goto out;
+ }
+
+ status = filename_convert_dirfsp(
+ ctx, conn, fname, ucf_flags, twrp, &dirfsp, &smb_fname);
+
+ TALLOC_FREE(case_state);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
+ reply_botherror(req,
+ NT_STATUS_PATH_NOT_COVERED,
+ ERRSRV, ERRbadpath);
+ goto out;
+ }
+ reply_nterror(req, status);
+ goto out;
+ }
+
+ /*
+ * Bug #6898 - clients using Windows opens should
+ * never be able to set this attribute into the
+ * VFS.
+ */
+ file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
+
+ status = SMB_VFS_CREATE_FILE(
+ conn, /* conn */
+ req, /* req */
+ dirfsp, /* dirfsp */
+ smb_fname, /* fname */
+ access_mask, /* access_mask */
+ share_access, /* share_access */
+ create_disposition, /* create_disposition*/
+ create_options, /* create_options */
+ file_attributes, /* file_attributes */
+ oplock_request, /* oplock_request */
+ NULL, /* lease */
+ allocation_size, /* allocation_size */
+ 0, /* private_flags */
+ NULL, /* sd */
+ NULL, /* ea_list */
+ &fsp, /* result */
+ &info, /* pinfo */
+ NULL, NULL); /* create context */
+
+ if (!NT_STATUS_IS_OK(status)) {
+ if (open_was_deferred(req->xconn, req->mid)) {
+ /* We have re-scheduled this call, no error. */
+ goto out;
+ }
+ if (NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) {
+ bool ok = defer_smb1_sharing_violation(req);
+ if (ok) {
+ goto out;
+ }
+ }
+ reply_openerror(req, status);
+ goto out;
+ }
+
+ /* Ensure we're pointing at the correct stat struct. */
+ smb_fname = fsp->fsp_name;
+
+ /*
+ * If the caller set the extended oplock request bit
+ * and we granted one (by whatever means) - set the
+ * correct bit for extended oplock reply.
+ */
+
+ if (oplock_request &&
+ (lp_fake_oplocks(SNUM(conn))
+ || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
+
+ /*
+ * Exclusive oplock granted
+ */
+
+ if (flags & REQUEST_BATCH_OPLOCK) {
+ oplock_granted = BATCH_OPLOCK_RETURN;
+ } else {
+ oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
+ }
+ } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
+ oplock_granted = LEVEL_II_OPLOCK_RETURN;
+ } else {
+ oplock_granted = NO_OPLOCK_RETURN;
+ }
+
+ file_len = smb_fname->st.st_ex_size;
+
+ if (flags & EXTENDED_RESPONSE_REQUIRED) {
+ /* This is very strange. We
+ * return 50 words, but only set
+ * the wcnt to 42 ? It's definitely
+ * what happens on the wire....
+ */
+ reply_smb1_outbuf(req, 50, 0);
+ SCVAL(req->outbuf,smb_wct,42);
+ } else {
+ reply_smb1_outbuf(req, 34, 0);
+ }
+
+ SSVAL(req->outbuf, smb_vwv0, 0xff); /* andx chain ends */
+ SSVAL(req->outbuf, smb_vwv1, 0); /* no andx offset */
+
+ p = (char *)req->outbuf + smb_vwv2;
+
+ SCVAL(p, 0, oplock_granted);
+
+ p++;
+ SSVAL(p,0,fsp->fnum);
+ p += 2;
+ if ((create_disposition == FILE_SUPERSEDE)
+ && (info == FILE_WAS_OVERWRITTEN)) {
+ SIVAL(p,0,FILE_WAS_SUPERSEDED);
+ } else {
+ SIVAL(p,0,info);
+ }
+ p += 4;
+
+ fattr = fdos_mode(fsp);
+ if (fattr == 0) {
+ fattr = FILE_ATTRIBUTE_NORMAL;
+ }
+
+ /* Create time. */
+ create_timespec = get_create_timespec(conn, fsp, smb_fname);
+ a_timespec = smb_fname->st.st_ex_atime;
+ m_timespec = smb_fname->st.st_ex_mtime;
+ c_timespec = get_change_timespec(conn, fsp, smb_fname);
+
+ if (lp_dos_filetime_resolution(SNUM(conn))) {
+ dos_filetime_timespec(&create_timespec);
+ dos_filetime_timespec(&a_timespec);
+ dos_filetime_timespec(&m_timespec);
+ dos_filetime_timespec(&c_timespec);
+ }
+
+ put_long_date_full_timespec(conn->ts_res, p, &create_timespec); /* create time. */
+ p += 8;
+ put_long_date_full_timespec(conn->ts_res, p, &a_timespec); /* access time */
+ p += 8;
+ put_long_date_full_timespec(conn->ts_res, p, &m_timespec); /* write time */
+ p += 8;
+ put_long_date_full_timespec(conn->ts_res, p, &c_timespec); /* change time */
+ p += 8;
+ SIVAL(p,0,fattr); /* File Attributes. */
+ p += 4;
+ SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&smb_fname->st));
+ p += 8;
+ SOFF_T(p,0,file_len);
+ p += 8;
+ if (flags & EXTENDED_RESPONSE_REQUIRED) {
+ uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
+ unsigned int num_streams = 0;
+ struct stream_struct *streams = NULL;
+
+ if (lp_ea_support(SNUM(conn))) {
+ size_t num_names = 0;
+ /* Do we have any EA's ? */
+ status = get_ea_names_from_fsp(
+ ctx, smb_fname->fsp, NULL, &num_names);
+ if (NT_STATUS_IS_OK(status) && num_names) {
+ file_status &= ~NO_EAS;
+ }
+ }
+
+ status = vfs_fstreaminfo(smb_fname->fsp, ctx,
+ &num_streams, &streams);
+ /* There is always one stream, ::$DATA. */
+ if (NT_STATUS_IS_OK(status) && num_streams > 1) {
+ file_status &= ~NO_SUBSTREAMS;
+ }
+ TALLOC_FREE(streams);
+ SSVAL(p,2,file_status);
+ }
+ p += 4;
+ SCVAL(p,0,fsp->fsp_flags.is_directory ? 1 : 0);
+
+ if (flags & EXTENDED_RESPONSE_REQUIRED) {
+ uint32_t perms = 0;
+ p += 25;
+ if (fsp->fsp_flags.is_directory ||
+ fsp->fsp_flags.can_write ||
+ can_write_to_fsp(fsp))
+ {
+ perms = FILE_GENERIC_ALL;
+ } else {
+ perms = FILE_GENERIC_READ|FILE_EXECUTE;
+ }
+ SIVAL(p,0,perms);
+ }
+
+ DEBUG(5,("reply_ntcreate_and_X: %s, open name = %s\n",
+ fsp_fnum_dbg(fsp), smb_fname_str_dbg(smb_fname)));
+
+ out:
+ END_PROFILE(SMBntcreateX);
+ return;
+}
+
+/****************************************************************************
+ Reply to a NT_TRANSACT_CREATE call to open a pipe.
+****************************************************************************/
+
+static void do_nt_transact_create_pipe(connection_struct *conn,
+ struct smb_request *req,
+ uint16_t **ppsetup, uint32_t setup_count,
+ char **ppparams, uint32_t parameter_count,
+ char **ppdata, uint32_t data_count)
+{
+ char *fname = NULL;
+ char *params = *ppparams;
+ uint16_t pnum = FNUM_FIELD_INVALID;
+ char *p = NULL;
+ NTSTATUS status;
+ size_t param_len;
+ uint32_t flags;
+ TALLOC_CTX *ctx = talloc_tos();
+
+ /*
+ * Ensure minimum number of parameters sent.
+ */
+
+ if(parameter_count < 54) {
+ DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
+
+ flags = IVAL(params,0);
+
+ if (req->posix_pathnames) {
+ srvstr_get_path_posix(ctx,
+ params,
+ req->flags2,
+ &fname,
+ params+53,
+ parameter_count-53,
+ STR_TERMINATE,
+ &status);
+ } else {
+ srvstr_get_path(ctx,
+ params,
+ req->flags2,
+ &fname,
+ params+53,
+ parameter_count-53,
+ STR_TERMINATE,
+ &status);
+ }
+ if (!NT_STATUS_IS_OK(status)) {
+ reply_nterror(req, status);
+ return;
+ }
+
+ nt_open_pipe(fname, conn, req, &pnum);
+
+ if (req->outbuf) {
+ /* Error return */
+ return;
+ }
+
+ /* Realloc the size of parameters and data we will return */
+ if (flags & EXTENDED_RESPONSE_REQUIRED) {
+ /* Extended response is 32 more byyes. */
+ param_len = 101;
+ } else {
+ param_len = 69;
+ }
+ params = nttrans_realloc(ppparams, param_len);
+ if(params == NULL) {
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ return;
+ }
+
+ p = params;
+ SCVAL(p,0,NO_OPLOCK_RETURN);
+
+ p += 2;
+ SSVAL(p,0,pnum);
+ p += 2;
+ SIVAL(p,0,FILE_WAS_OPENED);
+ p += 8;
+
+ p += 32;
+ SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
+ p += 20;
+ /* File type. */
+ SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
+ /* Device state. */
+ SSVAL(p,2, 0x5FF); /* ? */
+ p += 4;
+
+ if (flags & EXTENDED_RESPONSE_REQUIRED) {
+ p += 25;
+ SIVAL(p,0,FILE_GENERIC_ALL);
+ /*
+ * For pipes W2K3 seems to return
+ * 0x12019B next.
+ * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
+ */
+ SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
+ }
+
+ DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
+
+ /* Send the required number of replies */
+ send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
+
+ return;
+}
+
+/****************************************************************************
+ Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
+****************************************************************************/
+
+static void call_nt_transact_create(connection_struct *conn,
+ struct smb_request *req,
+ uint16_t **ppsetup, uint32_t setup_count,
+ char **ppparams, uint32_t parameter_count,
+ char **ppdata, uint32_t data_count,
+ uint32_t max_data_count)
+{
+ struct smb_filename *smb_fname = NULL;
+ char *fname = NULL;
+ char *params = *ppparams;
+ char *data = *ppdata;
+ /* Breakout the oplock request bits so we can set the reply bits separately. */
+ uint32_t fattr=0;
+ off_t file_len = 0;
+ int info = 0;
+ struct files_struct *dirfsp = NULL;
+ files_struct *fsp = NULL;
+ char *p = NULL;
+ uint32_t flags;
+ uint32_t access_mask;
+ uint32_t file_attributes;
+ uint32_t share_access;
+ uint32_t create_disposition;
+ uint32_t create_options;
+ uint32_t sd_len;
+ struct security_descriptor *sd = NULL;
+ uint32_t ea_len;
+ uint16_t root_dir_fid;
+ struct timespec create_timespec;
+ struct timespec c_timespec;
+ struct timespec a_timespec;
+ struct timespec m_timespec;
+ struct ea_list *ea_list = NULL;
+ NTSTATUS status;
+ size_t param_len;
+ uint64_t allocation_size;
+ int oplock_request;
+ uint8_t oplock_granted;
+ struct case_semantics_state *case_state = NULL;
+ uint32_t ucf_flags;
+ NTTIME twrp = 0;
+ TALLOC_CTX *ctx = talloc_tos();
+
+ DEBUG(5,("call_nt_transact_create\n"));
+
+ /*
+ * If it's an IPC, use the pipe handler.
+ */
+
+ if (IS_IPC(conn)) {
+ if (lp_nt_pipe_support()) {
+ do_nt_transact_create_pipe(
+ conn, req,
+ ppsetup, setup_count,
+ ppparams, parameter_count,
+ ppdata, data_count);
+ goto out;
+ }
+ reply_nterror(req, NT_STATUS_ACCESS_DENIED);
+ goto out;
+ }
+
+ /*
+ * Ensure minimum number of parameters sent.
+ */
+
+ if(parameter_count < 54) {
+ DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ goto out;
+ }
+
+ flags = IVAL(params,0);
+ access_mask = IVAL(params,8);
+ file_attributes = IVAL(params,20);
+ share_access = IVAL(params,24);
+ create_disposition = IVAL(params,28);
+ create_options = IVAL(params,32);
+ sd_len = IVAL(params,36);
+ ea_len = IVAL(params,40);
+ root_dir_fid = (uint16_t)IVAL(params,4);
+ allocation_size = BVAL(params,12);
+
+ /*
+ * we need to remove ignored bits when they come directly from the client
+ * because we reuse some of them for internal stuff
+ */
+ create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
+
+ if (req->posix_pathnames) {
+ srvstr_get_path_posix(ctx,
+ params,
+ req->flags2,
+ &fname,
+ params+53,
+ parameter_count-53,
+ STR_TERMINATE,
+ &status);
+ } else {
+ srvstr_get_path(ctx,
+ params,
+ req->flags2,
+ &fname,
+ params+53,
+ parameter_count-53,
+ STR_TERMINATE,
+ &status);
+ }
+ if (!NT_STATUS_IS_OK(status)) {
+ reply_nterror(req, status);
+ goto out;
+ }
+
+ if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
+ case_state = set_posix_case_semantics(ctx, conn);
+ if (!case_state) {
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ goto out;
+ }
+ }
+
+ if (root_dir_fid != 0) {
+ char *new_fname = NULL;
+
+ status = get_relative_fid_filename(conn,
+ req,
+ root_dir_fid,
+ fname,
+ &new_fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ reply_nterror(req, status);
+ goto out;
+ }
+ fname = new_fname;
+ }
+
+ ucf_flags = filename_create_ucf_flags(req, create_disposition);
+ if (ucf_flags & UCF_GMT_PATHNAME) {
+ extract_snapshot_token(fname, &twrp);
+ }
+ status = smb1_strip_dfs_path(ctx, &ucf_flags, &fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ reply_nterror(req, status);
+ goto out;
+ }
+
+ status = filename_convert_dirfsp(ctx,
+ conn,
+ fname,
+ ucf_flags,
+ twrp,
+ &dirfsp,
+ &smb_fname);
+
+ TALLOC_FREE(case_state);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
+ reply_botherror(req,
+ NT_STATUS_PATH_NOT_COVERED,
+ ERRSRV, ERRbadpath);
+ goto out;
+ }
+ reply_nterror(req, status);
+ goto out;
+ }
+
+ /* Ensure the data_len is correct for the sd and ea values given. */
+ if ((ea_len + sd_len > data_count)
+ || (ea_len > data_count) || (sd_len > data_count)
+ || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
+ DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
+ "%u, data_count = %u\n", (unsigned int)ea_len,
+ (unsigned int)sd_len, (unsigned int)data_count));
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ goto out;
+ }
+
+ if (sd_len) {
+ DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
+ sd_len));
+
+ status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
+ &sd);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("call_nt_transact_create: "
+ "unmarshall_sec_desc failed: %s\n",
+ nt_errstr(status)));
+ reply_nterror(req, status);
+ goto out;
+ }
+ }
+
+ if (ea_len) {
+ if (!lp_ea_support(SNUM(conn))) {
+ DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
+ "EA's not supported.\n",
+ (unsigned int)ea_len));
+ reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
+ goto out;
+ }
+
+ if (ea_len < 10) {
+ DEBUG(10,("call_nt_transact_create - ea_len = %u - "
+ "too small (should be more than 10)\n",
+ (unsigned int)ea_len ));
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ goto out;
+ }
+
+ /* We have already checked that ea_len <= data_count here. */
+ ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
+ ea_len);
+ if (ea_list == NULL) {
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ goto out;
+ }
+
+ if (!req->posix_pathnames &&
+ ea_list_has_invalid_name(ea_list)) {
+ /* Realloc the size of parameters and data we will return */
+ if (flags & EXTENDED_RESPONSE_REQUIRED) {
+ /* Extended response is 32 more bytes. */
+ param_len = 101;
+ } else {
+ param_len = 69;
+ }
+ params = nttrans_realloc(ppparams, param_len);
+ if(params == NULL) {
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ goto out;
+ }
+
+ memset(params, '\0', param_len);
+ send_nt_replies(conn, req, STATUS_INVALID_EA_NAME,
+ params, param_len, NULL, 0);
+ goto out;
+ }
+ }
+
+ oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
+ if (oplock_request) {
+ oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
+ ? BATCH_OPLOCK : 0;
+ }
+
+ /*
+ * Bug #6898 - clients using Windows opens should
+ * never be able to set this attribute into the
+ * VFS.
+ */
+ file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
+
+ status = SMB_VFS_CREATE_FILE(
+ conn, /* conn */
+ req, /* req */
+ dirfsp, /* dirfsp */
+ smb_fname, /* fname */
+ access_mask, /* access_mask */
+ share_access, /* share_access */
+ create_disposition, /* create_disposition*/
+ create_options, /* create_options */
+ file_attributes, /* file_attributes */
+ oplock_request, /* oplock_request */
+ NULL, /* lease */
+ allocation_size, /* allocation_size */
+ 0, /* private_flags */
+ sd, /* sd */
+ ea_list, /* ea_list */
+ &fsp, /* result */
+ &info, /* pinfo */
+ NULL, NULL); /* create context */
+
+ if(!NT_STATUS_IS_OK(status)) {
+ if (open_was_deferred(req->xconn, req->mid)) {
+ /* We have re-scheduled this call, no error. */
+ return;
+ }
+ if (NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) {
+ bool ok = defer_smb1_sharing_violation(req);
+ if (ok) {
+ return;
+ }
+ }
+ reply_openerror(req, status);
+ goto out;
+ }
+
+ /* Ensure we're pointing at the correct stat struct. */
+ TALLOC_FREE(smb_fname);
+ smb_fname = fsp->fsp_name;
+
+ /*
+ * If the caller set the extended oplock request bit
+ * and we granted one (by whatever means) - set the
+ * correct bit for extended oplock reply.
+ */
+
+ if (oplock_request &&
+ (lp_fake_oplocks(SNUM(conn))
+ || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
+
+ /*
+ * Exclusive oplock granted
+ */
+
+ if (flags & REQUEST_BATCH_OPLOCK) {
+ oplock_granted = BATCH_OPLOCK_RETURN;
+ } else {
+ oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
+ }
+ } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
+ oplock_granted = LEVEL_II_OPLOCK_RETURN;
+ } else {
+ oplock_granted = NO_OPLOCK_RETURN;
+ }
+
+ file_len = smb_fname->st.st_ex_size;
+
+ /* Realloc the size of parameters and data we will return */
+ if (flags & EXTENDED_RESPONSE_REQUIRED) {
+ /* Extended response is 32 more byyes. */
+ param_len = 101;
+ } else {
+ param_len = 69;
+ }
+ params = nttrans_realloc(ppparams, param_len);
+ if(params == NULL) {
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ goto out;
+ }
+
+ p = params;
+ SCVAL(p, 0, oplock_granted);
+
+ p += 2;
+ SSVAL(p,0,fsp->fnum);
+ p += 2;
+ if ((create_disposition == FILE_SUPERSEDE)
+ && (info == FILE_WAS_OVERWRITTEN)) {
+ SIVAL(p,0,FILE_WAS_SUPERSEDED);
+ } else {
+ SIVAL(p,0,info);
+ }
+ p += 8;
+
+ fattr = fdos_mode(fsp);
+ if (fattr == 0) {
+ fattr = FILE_ATTRIBUTE_NORMAL;
+ }
+
+ /* Create time. */
+ create_timespec = get_create_timespec(conn, fsp, smb_fname);
+ a_timespec = smb_fname->st.st_ex_atime;
+ m_timespec = smb_fname->st.st_ex_mtime;
+ c_timespec = get_change_timespec(conn, fsp, smb_fname);
+
+ if (lp_dos_filetime_resolution(SNUM(conn))) {
+ dos_filetime_timespec(&create_timespec);
+ dos_filetime_timespec(&a_timespec);
+ dos_filetime_timespec(&m_timespec);
+ dos_filetime_timespec(&c_timespec);
+ }
+
+ put_long_date_full_timespec(conn->ts_res, p, &create_timespec); /* create time. */
+ p += 8;
+ put_long_date_full_timespec(conn->ts_res, p, &a_timespec); /* access time */
+ p += 8;
+ put_long_date_full_timespec(conn->ts_res, p, &m_timespec); /* write time */
+ p += 8;
+ put_long_date_full_timespec(conn->ts_res, p, &c_timespec); /* change time */
+ p += 8;
+ SIVAL(p,0,fattr); /* File Attributes. */
+ p += 4;
+ SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
+ p += 8;
+ SOFF_T(p,0,file_len);
+ p += 8;
+ if (flags & EXTENDED_RESPONSE_REQUIRED) {
+ uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
+ unsigned int num_streams = 0;
+ struct stream_struct *streams = NULL;
+
+ if (lp_ea_support(SNUM(conn))) {
+ size_t num_names = 0;
+ /* Do we have any EA's ? */
+ status = get_ea_names_from_fsp(
+ ctx, smb_fname->fsp, NULL, &num_names);
+ if (NT_STATUS_IS_OK(status) && num_names) {
+ file_status &= ~NO_EAS;
+ }
+ }
+
+ status = vfs_fstreaminfo(smb_fname->fsp, ctx,
+ &num_streams, &streams);
+ /* There is always one stream, ::$DATA. */
+ if (NT_STATUS_IS_OK(status) && num_streams > 1) {
+ file_status &= ~NO_SUBSTREAMS;
+ }
+ TALLOC_FREE(streams);
+ SSVAL(p,2,file_status);
+ }
+ p += 4;
+ SCVAL(p,0,fsp->fsp_flags.is_directory ? 1 : 0);
+
+ if (flags & EXTENDED_RESPONSE_REQUIRED) {
+ uint32_t perms = 0;
+ p += 25;
+ if (fsp->fsp_flags.is_directory ||
+ fsp->fsp_flags.can_write ||
+ can_write_to_fsp(fsp))
+ {
+ perms = FILE_GENERIC_ALL;
+ } else {
+ perms = FILE_GENERIC_READ|FILE_EXECUTE;
+ }
+ SIVAL(p,0,perms);
+ }
+
+ DEBUG(5,("call_nt_transact_create: open name = %s\n",
+ smb_fname_str_dbg(smb_fname)));
+
+ /* Send the required number of replies */
+ send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
+ out:
+ return;
+}
+
+/****************************************************************************
+ Reply to a NT CANCEL request.
+ conn POINTER CAN BE NULL HERE !
+****************************************************************************/
+
+void reply_ntcancel(struct smb_request *req)
+{
+ struct smbXsrv_connection *xconn = req->xconn;
+ struct smbd_server_connection *sconn = req->sconn;
+ bool found;
+
+ /*
+ * Go through and cancel any pending change notifies.
+ */
+
+ START_PROFILE(SMBntcancel);
+ smb1_srv_cancel_sign_response(xconn);
+ found = remove_pending_change_notify_requests_by_mid(sconn, req->mid);
+ if (!found) {
+ smbd_smb1_brl_finish_by_mid(sconn, req->mid);
+ }
+
+ DEBUG(3,("reply_ntcancel: cancel called on mid = %llu.\n",
+ (unsigned long long)req->mid));
+
+ END_PROFILE(SMBntcancel);
+ return;
+}
+
+/****************************************************************************
+ Reply to a NT rename request.
+****************************************************************************/
+
+void reply_ntrename(struct smb_request *req)
+{
+ connection_struct *conn = req->conn;
+ struct files_struct *src_dirfsp = NULL;
+ struct smb_filename *smb_fname_old = NULL;
+ struct files_struct *dst_dirfsp = NULL;
+ struct smb_filename *smb_fname_new = NULL;
+ char *oldname = NULL;
+ char *newname = NULL;
+ const char *dst_original_lcomp = NULL;
+ const char *p;
+ NTSTATUS status;
+ uint32_t attrs;
+ uint32_t ucf_flags_src = ucf_flags_from_smb_request(req);
+ NTTIME src_twrp = 0;
+ uint32_t ucf_flags_dst = ucf_flags_from_smb_request(req);
+ NTTIME dst_twrp = 0;
+ uint16_t rename_type;
+ TALLOC_CTX *ctx = talloc_tos();
+ bool stream_rename = false;
+
+ START_PROFILE(SMBntrename);
+
+ if (req->wct < 4) {
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ goto out;
+ }
+
+ attrs = SVAL(req->vwv+0, 0);
+ rename_type = SVAL(req->vwv+1, 0);
+
+ p = (const char *)req->buf + 1;
+ p += srvstr_get_path_req(ctx, req, &oldname, p, STR_TERMINATE,
+ &status);
+ if (!NT_STATUS_IS_OK(status)) {
+ reply_nterror(req, status);
+ goto out;
+ }
+
+ if (!req->posix_pathnames && ms_has_wild(oldname)) {
+ reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
+ goto out;
+ }
+
+ p++;
+ p += srvstr_get_path_req(ctx, req, &newname, p, STR_TERMINATE,
+ &status);
+ if (!NT_STATUS_IS_OK(status)) {
+ reply_nterror(req, status);
+ goto out;
+ }
+
+ if (!req->posix_pathnames && ms_has_wild(newname)) {
+ reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
+ goto out;
+ }
+
+ if (!req->posix_pathnames) {
+ /* The newname must begin with a ':' if the
+ oldname contains a ':'. */
+ if (strchr_m(oldname, ':')) {
+ if (newname[0] != ':') {
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ goto out;
+ }
+ stream_rename = true;
+ }
+ }
+
+ if (ucf_flags_src & UCF_GMT_PATHNAME) {
+ extract_snapshot_token(oldname, &src_twrp);
+ }
+ status = smb1_strip_dfs_path(ctx, &ucf_flags_src, &oldname);
+ if (!NT_STATUS_IS_OK(status)) {
+ reply_nterror(req, status);
+ goto out;
+ }
+
+ status = filename_convert_dirfsp(ctx,
+ conn,
+ oldname,
+ ucf_flags_src,
+ src_twrp,
+ &src_dirfsp,
+ &smb_fname_old);
+ if (!NT_STATUS_IS_OK(status)) {
+ if (NT_STATUS_EQUAL(status,
+ NT_STATUS_PATH_NOT_COVERED)) {
+ reply_botherror(req,
+ NT_STATUS_PATH_NOT_COVERED,
+ ERRSRV, ERRbadpath);
+ goto out;
+ }
+ reply_nterror(req, status);
+ goto out;
+ }
+
+ if (stream_rename) {
+ /*
+ * No point in calling filename_convert()
+ * on a raw stream name. It can never find
+ * the file anyway. Use the same logic as
+ * SMB2_FILE_RENAME_INFORMATION_INTERNAL
+ * and generate smb_fname_new directly.
+ */
+ smb_fname_new = synthetic_smb_fname(talloc_tos(),
+ smb_fname_old->base_name,
+ newname,
+ NULL,
+ smb_fname_old->twrp,
+ smb_fname_old->flags);
+ if (smb_fname_new == NULL) {
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ goto out;
+ }
+ } else {
+ if (ucf_flags_dst & UCF_GMT_PATHNAME) {
+ extract_snapshot_token(newname,
+ &dst_twrp);
+ }
+ status = smb1_strip_dfs_path(ctx, &ucf_flags_dst, &newname);
+ if (!NT_STATUS_IS_OK(status)) {
+ reply_nterror(req, status);
+ goto out;
+ }
+ status = filename_convert_dirfsp(ctx,
+ conn,
+ newname,
+ ucf_flags_dst,
+ dst_twrp,
+ &dst_dirfsp,
+ &smb_fname_new);
+ if (!NT_STATUS_IS_OK(status)) {
+ if (NT_STATUS_EQUAL(status,
+ NT_STATUS_PATH_NOT_COVERED)) {
+ reply_botherror(req,
+ NT_STATUS_PATH_NOT_COVERED,
+ ERRSRV, ERRbadpath);
+ goto out;
+ }
+ reply_nterror(req, status);
+ goto out;
+ }
+ }
+
+ /* Get the last component of the destination for rename_internals(). */
+ dst_original_lcomp = get_original_lcomp(ctx,
+ conn,
+ newname,
+ ucf_flags_dst);
+ if (dst_original_lcomp == NULL) {
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ goto out;
+ }
+
+
+ DEBUG(3,("reply_ntrename: %s -> %s\n",
+ smb_fname_str_dbg(smb_fname_old),
+ smb_fname_str_dbg(smb_fname_new)));
+
+ switch(rename_type) {
+ case RENAME_FLAG_RENAME:
+ status = rename_internals(ctx,
+ conn,
+ req,
+ src_dirfsp,
+ smb_fname_old,
+ smb_fname_new,
+ dst_original_lcomp,
+ attrs,
+ false,
+ DELETE_ACCESS);
+ break;
+ case RENAME_FLAG_HARD_LINK:
+ status = hardlink_internals(ctx,
+ conn,
+ req,
+ false,
+ smb_fname_old,
+ smb_fname_new);
+ break;
+ case RENAME_FLAG_COPY:
+ status = copy_internals(ctx,
+ conn,
+ req,
+ src_dirfsp,
+ smb_fname_old,
+ dst_dirfsp,
+ smb_fname_new,
+ attrs);
+ break;
+ case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
+ status = NT_STATUS_INVALID_PARAMETER;
+ break;
+ default:
+ status = NT_STATUS_ACCESS_DENIED; /* Default error. */
+ break;
+ }
+
+ if (!NT_STATUS_IS_OK(status)) {
+ if (open_was_deferred(req->xconn, req->mid)) {
+ /* We have re-scheduled this call. */
+ goto out;
+ }
+ if (NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) {
+ bool ok = defer_smb1_sharing_violation(req);
+ if (ok) {
+ goto out;
+ }
+ }
+
+ reply_nterror(req, status);
+ goto out;
+ }
+
+ reply_smb1_outbuf(req, 0, 0);
+ out:
+ END_PROFILE(SMBntrename);
+ return;
+}
+
+/****************************************************************************
+ Reply to a notify change - queue the request and
+ don't allow a directory to be opened.
+****************************************************************************/
+
+static void smbd_smb1_notify_reply(struct smb_request *req,
+ NTSTATUS error_code,
+ uint8_t *buf, size_t len)
+{
+ send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
+}
+
+static void call_nt_transact_notify_change(connection_struct *conn,
+ struct smb_request *req,
+ uint16_t **ppsetup,
+ uint32_t setup_count,
+ char **ppparams,
+ uint32_t parameter_count,
+ char **ppdata, uint32_t data_count,
+ uint32_t max_data_count,
+ uint32_t max_param_count)
+{
+ uint16_t *setup = *ppsetup;
+ files_struct *fsp;
+ uint32_t filter;
+ NTSTATUS status;
+ bool recursive;
+
+ if(setup_count < 6) {
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
+
+ fsp = file_fsp(req, SVAL(setup,4));
+ filter = IVAL(setup, 0);
+ recursive = (SVAL(setup, 6) != 0) ? True : False;
+
+ DEBUG(3,("call_nt_transact_notify_change\n"));
+
+ if(!fsp) {
+ reply_nterror(req, NT_STATUS_INVALID_HANDLE);
+ return;
+ }
+
+ {
+ char *filter_string;
+
+ if (!(filter_string = notify_filter_string(NULL, filter))) {
+ reply_nterror(req,NT_STATUS_NO_MEMORY);
+ return;
+ }
+
+ DEBUG(3,("call_nt_transact_notify_change: notify change "
+ "called on %s, filter = %s, recursive = %d\n",
+ fsp_str_dbg(fsp), filter_string, recursive));
+
+ TALLOC_FREE(filter_string);
+ }
+
+ if((!fsp->fsp_flags.is_directory) || (conn != fsp->conn)) {
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
+
+ if (fsp->notify == NULL) {
+
+ status = change_notify_create(fsp,
+ max_param_count,
+ filter,
+ recursive);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("change_notify_create returned %s\n",
+ nt_errstr(status)));
+ reply_nterror(req, status);
+ return;
+ }
+ }
+
+ if (change_notify_fsp_has_changes(fsp)) {
+
+ /*
+ * We've got changes pending, respond immediately
+ */
+
+ /*
+ * TODO: write a torture test to check the filtering behaviour
+ * here.
+ */
+
+ change_notify_reply(req,
+ NT_STATUS_OK,
+ max_param_count,
+ fsp->notify,
+ smbd_smb1_notify_reply);
+
+ /*
+ * change_notify_reply() above has independently sent its
+ * results
+ */
+ return;
+ }
+
+ /*
+ * No changes pending, queue the request
+ */
+
+ status = change_notify_add_request(req,
+ max_param_count,
+ filter,
+ recursive, fsp,
+ smbd_smb1_notify_reply);
+ if (!NT_STATUS_IS_OK(status)) {
+ reply_nterror(req, status);
+ }
+ return;
+}
+
+/****************************************************************************
+ Reply to an NT transact rename command.
+****************************************************************************/
+
+static void call_nt_transact_rename(connection_struct *conn,
+ struct smb_request *req,
+ uint16_t **ppsetup, uint32_t setup_count,
+ char **ppparams, uint32_t parameter_count,
+ char **ppdata, uint32_t data_count,
+ uint32_t max_data_count)
+{
+ char *params = *ppparams;
+ char *new_name = NULL;
+ files_struct *fsp = NULL;
+ NTSTATUS status;
+ TALLOC_CTX *ctx = talloc_tos();
+
+ if(parameter_count < 5) {
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
+
+ fsp = file_fsp(req, SVAL(params, 0));
+ if (!check_fsp(conn, req, fsp)) {
+ return;
+ }
+ if (req->posix_pathnames) {
+ srvstr_get_path_posix(ctx,
+ params,
+ req->flags2,
+ &new_name,
+ params+4,
+ parameter_count - 4,
+ STR_TERMINATE,
+ &status);
+ } else {
+ srvstr_get_path(ctx,
+ params,
+ req->flags2,
+ &new_name,
+ params+4,
+ parameter_count - 4,
+ STR_TERMINATE,
+ &status);
+ }
+
+ if (!NT_STATUS_IS_OK(status)) {
+ reply_nterror(req, status);
+ return;
+ }
+
+ /*
+ * W2K3 ignores this request as the RAW-RENAME test
+ * demonstrates, so we do.
+ */
+ send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
+
+ DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
+ fsp_str_dbg(fsp), new_name));
+
+ return;
+}
+
+/****************************************************************************
+ SMB1 reply to query a security descriptor.
+****************************************************************************/
+
+static void call_nt_transact_query_security_desc(connection_struct *conn,
+ struct smb_request *req,
+ uint16_t **ppsetup,
+ uint32_t setup_count,
+ char **ppparams,
+ uint32_t parameter_count,
+ char **ppdata,
+ uint32_t data_count,
+ uint32_t max_data_count)
+{
+ char *params = *ppparams;
+ char *data = *ppdata;
+ size_t sd_size = 0;
+ uint32_t security_info_wanted;
+ files_struct *fsp = NULL;
+ NTSTATUS status;
+ uint8_t *marshalled_sd = NULL;
+
+ if(parameter_count < 8) {
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
+
+ fsp = file_fsp(req, SVAL(params,0));
+ if(!fsp) {
+ reply_nterror(req, NT_STATUS_INVALID_HANDLE);
+ return;
+ }
+
+ security_info_wanted = IVAL(params,4);
+
+ DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
+ "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
+ (unsigned int)security_info_wanted));
+
+ params = nttrans_realloc(ppparams, 4);
+ if(params == NULL) {
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ return;
+ }
+
+ /*
+ * Get the permissions to return.
+ */
+
+ status = smbd_do_query_security_desc(conn,
+ talloc_tos(),
+ fsp,
+ security_info_wanted &
+ SMB_SUPPORTED_SECINFO_FLAGS,
+ max_data_count,
+ &marshalled_sd,
+ &sd_size);
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_BUFFER_TOO_SMALL)) {
+ SIVAL(params,0,(uint32_t)sd_size);
+ send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
+ params, 4, NULL, 0);
+ return;
+ }
+
+ if (!NT_STATUS_IS_OK(status)) {
+ reply_nterror(req, status);
+ return;
+ }
+
+ SMB_ASSERT(sd_size > 0);
+
+ SIVAL(params,0,(uint32_t)sd_size);
+
+ if (max_data_count < sd_size) {
+ send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
+ params, 4, NULL, 0);
+ return;
+ }
+
+ /*
+ * Allocate the data we will return.
+ */
+
+ data = nttrans_realloc(ppdata, sd_size);
+ if(data == NULL) {
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ return;
+ }
+
+ memcpy(data, marshalled_sd, sd_size);
+
+ send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
+
+ return;
+}
+
+/****************************************************************************
+ Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
+****************************************************************************/
+
+static void call_nt_transact_set_security_desc(connection_struct *conn,
+ struct smb_request *req,
+ uint16_t **ppsetup,
+ uint32_t setup_count,
+ char **ppparams,
+ uint32_t parameter_count,
+ char **ppdata,
+ uint32_t data_count,
+ uint32_t max_data_count)
+{
+ char *params= *ppparams;
+ char *data = *ppdata;
+ files_struct *fsp = NULL;
+ uint32_t security_info_sent = 0;
+ NTSTATUS status;
+
+ if(parameter_count < 8) {
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
+
+ if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
+ reply_nterror(req, NT_STATUS_INVALID_HANDLE);
+ return;
+ }
+
+ if (!CAN_WRITE(fsp->conn)) {
+ reply_nterror(req, NT_STATUS_ACCESS_DENIED);
+ return;
+ }
+
+ if(!lp_nt_acl_support(SNUM(conn))) {
+ goto done;
+ }
+
+ security_info_sent = IVAL(params,4);
+
+ DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
+ fsp_str_dbg(fsp), (unsigned int)security_info_sent));
+
+ if (data_count == 0) {
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
+
+ status = set_sd_blob(fsp, (uint8_t *)data, data_count,
+ security_info_sent & SMB_SUPPORTED_SECINFO_FLAGS);
+ if (!NT_STATUS_IS_OK(status)) {
+ reply_nterror(req, status);
+ return;
+ }
+
+ done:
+ send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
+ return;
+}
+
+/****************************************************************************
+ Reply to NT IOCTL
+****************************************************************************/
+
+static void call_nt_transact_ioctl(connection_struct *conn,
+ struct smb_request *req,
+ uint16_t **ppsetup, uint32_t setup_count,
+ char **ppparams, uint32_t parameter_count,
+ char **ppdata, uint32_t data_count,
+ uint32_t max_data_count)
+{
+ NTSTATUS status;
+ uint32_t function;
+ uint16_t fidnum;
+ files_struct *fsp;
+ uint8_t isFSctl;
+ uint8_t compfilter;
+ char *out_data = NULL;
+ uint32_t out_data_len = 0;
+ char *pdata = *ppdata;
+ TALLOC_CTX *ctx = talloc_tos();
+
+ if (setup_count != 8) {
+ DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
+ reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
+ return;
+ }
+
+ function = IVAL(*ppsetup, 0);
+ fidnum = SVAL(*ppsetup, 4);
+ isFSctl = CVAL(*ppsetup, 6);
+ compfilter = CVAL(*ppsetup, 7);
+
+ DEBUG(10, ("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
+ function, fidnum, isFSctl, compfilter));
+
+ fsp=file_fsp(req, fidnum);
+
+ /*
+ * We don't really implement IOCTLs, especially on files.
+ */
+ if (!isFSctl) {
+ DEBUG(10, ("isFSctl: 0x%02X indicates IOCTL, not FSCTL!\n",
+ isFSctl));
+ reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
+ return;
+ }
+
+ /* Has to be for an open file! */
+ if (!check_fsp_open(conn, req, fsp)) {
+ return;
+ }
+
+ /*
+ * out_data might be allocated by the VFS module, but talloc should be
+ * used, and should be cleaned up when the request ends.
+ */
+ status = SMB_VFS_FSCTL(fsp,
+ ctx,
+ function,
+ req->flags2,
+ (uint8_t *)pdata,
+ data_count,
+ (uint8_t **)&out_data,
+ max_data_count,
+ &out_data_len);
+ if (!NT_STATUS_IS_OK(status)) {
+ reply_nterror(req, status);
+ } else {
+ send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, out_data, out_data_len);
+ }
+}
+
+
+#ifdef HAVE_SYS_QUOTAS
+/****************************************************************************
+ Reply to get user quota
+****************************************************************************/
+
+static void call_nt_transact_get_user_quota(connection_struct *conn,
+ struct smb_request *req,
+ uint16_t **ppsetup,
+ uint32_t setup_count,
+ char **ppparams,
+ uint32_t parameter_count,
+ char **ppdata,
+ uint32_t data_count,
+ uint32_t max_data_count)
+{
+ const struct loadparm_substitution *lp_sub =
+ loadparm_s3_global_substitution();
+ NTSTATUS nt_status = NT_STATUS_OK;
+ char *params = *ppparams;
+ char *pdata = *ppdata;
+ int data_len = 0;
+ int param_len = 0;
+ files_struct *fsp = NULL;
+ DATA_BLOB blob = data_blob_null;
+ struct nttrans_query_quota_params info = {0};
+ enum ndr_err_code err;
+ TALLOC_CTX *tmp_ctx = NULL;
+ uint32_t resp_len = 0;
+ uint8_t *resp_data = 0;
+
+ tmp_ctx = talloc_init("ntquota_list");
+ if (!tmp_ctx) {
+ nt_status = NT_STATUS_NO_MEMORY;
+ goto error;
+ }
+
+ /* access check */
+ if (get_current_uid(conn) != sec_initial_uid()) {
+ DEBUG(1,("get_user_quota: access_denied service [%s] user "
+ "[%s]\n", lp_servicename(talloc_tos(), lp_sub, SNUM(conn)),
+ conn->session_info->unix_info->unix_name));
+ nt_status = NT_STATUS_ACCESS_DENIED;
+ goto error;
+ }
+
+ blob.data = (uint8_t*)params;
+ blob.length = parameter_count;
+
+ err = ndr_pull_struct_blob(&blob, tmp_ctx, &info,
+ (ndr_pull_flags_fn_t)ndr_pull_nttrans_query_quota_params);
+
+ if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
+ DEBUG(0,("TRANSACT_GET_USER_QUOTA: failed to pull "
+ "query_quota_params.\n"));
+ nt_status = NT_STATUS_INVALID_PARAMETER;
+ goto error;
+ }
+ DBG_DEBUG("info.return_single_entry = %u, info.restart_scan = %u, "
+ "info.sid_list_length = %u, info.start_sid_length = %u, "
+ "info.start_sid_offset = %u\n",
+ (unsigned int)info.return_single_entry,
+ (unsigned int)info.restart_scan,
+ (unsigned int)info.sid_list_length,
+ (unsigned int)info.start_sid_length,
+ (unsigned int)info.start_sid_offset);
+
+ /* set blob to point at data for further parsing */
+ blob.data = (uint8_t*)pdata;
+ blob.length = data_count;
+ /*
+ * Although MS-SMB ref is ambiguous here, a microsoft client will
+ * only ever send a start sid (as part of a list) with
+ * sid_list_length & start_sid_offset both set to the actual list
+ * length. Note: Only a single result is returned in this case
+ * In the case where either start_sid_offset or start_sid_length
+ * are set alone or if both set (but have different values) then
+ * it seems windows will return a number of entries from the start
+ * of the list of users with quotas set. This behaviour is undocumented
+ * and windows clients do not send messages of that type. As such we
+ * currently will reject these requests.
+ */
+ if (info.start_sid_length
+ || (info.sid_list_length != info.start_sid_offset)) {
+ DBG_ERR("TRANSACT_GET_USER_QUOTA: unsupported single or "
+ "compound sid format\n");
+ nt_status = NT_STATUS_INVALID_PARAMETER;
+ goto error;
+ }
+
+ /* maybe we can check the quota_fnum */
+ fsp = file_fsp(req, info.fid);
+ if (!check_fsp_ntquota_handle(conn, req, fsp)) {
+ DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
+ nt_status = NT_STATUS_INVALID_HANDLE;
+ goto error;
+ }
+ nt_status = smbd_do_query_getinfo_quota(tmp_ctx,
+ fsp,
+ info.restart_scan,
+ info.return_single_entry,
+ info.sid_list_length,
+ &blob,
+ max_data_count,
+ &resp_data,
+ &resp_len);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ if (!NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_MORE_ENTRIES)) {
+ goto error;
+ }
+ nt_status = NT_STATUS_OK;
+ }
+
+ param_len = 4;
+ params = nttrans_realloc(ppparams, param_len);
+ if(params == NULL) {
+ nt_status = NT_STATUS_NO_MEMORY;
+ goto error;
+ }
+
+ data_len = resp_len;
+ SIVAL(params, 0, data_len);
+ pdata = nttrans_realloc(ppdata, data_len);
+ memcpy(pdata, resp_data, data_len);
+
+ TALLOC_FREE(tmp_ctx);
+ send_nt_replies(conn, req, nt_status, params, param_len,
+ pdata, data_len);
+ return;
+error:
+ TALLOC_FREE(tmp_ctx);
+ reply_nterror(req, nt_status);
+}
+
+/****************************************************************************
+ Reply to set user quota
+****************************************************************************/
+
+static void call_nt_transact_set_user_quota(connection_struct *conn,
+ struct smb_request *req,
+ uint16_t **ppsetup,
+ uint32_t setup_count,
+ char **ppparams,
+ uint32_t parameter_count,
+ char **ppdata,
+ uint32_t data_count,
+ uint32_t max_data_count)
+{
+ const struct loadparm_substitution *lp_sub =
+ loadparm_s3_global_substitution();
+ char *params = *ppparams;
+ char *pdata = *ppdata;
+ int data_len=0,param_len=0;
+ SMB_NTQUOTA_STRUCT qt;
+ struct file_quota_information info = {0};
+ enum ndr_err_code err;
+ struct dom_sid sid;
+ DATA_BLOB inblob;
+ files_struct *fsp = NULL;
+ TALLOC_CTX *ctx = NULL;
+ NTSTATUS status = NT_STATUS_OK;
+ ZERO_STRUCT(qt);
+
+ /* access check */
+ if (get_current_uid(conn) != sec_initial_uid()) {
+ DEBUG(1,("set_user_quota: access_denied service [%s] user "
+ "[%s]\n", lp_servicename(talloc_tos(), lp_sub, SNUM(conn)),
+ conn->session_info->unix_info->unix_name));
+ status = NT_STATUS_ACCESS_DENIED;
+ goto error;
+ }
+
+ /*
+ * Ensure minimum number of parameters sent.
+ */
+
+ if (parameter_count < 2) {
+ DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto error;
+ }
+
+ /* maybe we can check the quota_fnum */
+ fsp = file_fsp(req, SVAL(params,0));
+ if (!check_fsp_ntquota_handle(conn, req, fsp)) {
+ DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
+ status = NT_STATUS_INVALID_HANDLE;
+ goto error;
+ }
+
+ ctx = talloc_init("set_user_quota");
+ if (!ctx) {
+ status = NT_STATUS_NO_MEMORY;
+ goto error;
+ }
+ inblob.data = (uint8_t*)pdata;
+ inblob.length = data_count;
+
+ err = ndr_pull_struct_blob(
+ &inblob,
+ ctx,
+ &info,
+ (ndr_pull_flags_fn_t)ndr_pull_file_quota_information);
+
+ if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
+ DEBUG(0,("TRANSACT_SET_USER_QUOTA: failed to pull "
+ "file_quota_information\n"));
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto error;
+ }
+ qt.usedspace = info.quota_used;
+
+ qt.softlim = info.quota_threshold;
+
+ qt.hardlim = info.quota_limit;
+
+ sid = info.sid;
+
+ if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
+ status = NT_STATUS_INTERNAL_ERROR;
+ goto error;
+ }
+
+ send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
+ pdata, data_len);
+ TALLOC_FREE(ctx);
+ return;
+error:
+ TALLOC_FREE(ctx);
+ reply_nterror(req, status);
+}
+#endif /* HAVE_SYS_QUOTAS */
+
+static void handle_nttrans(connection_struct *conn,
+ struct trans_state *state,
+ struct smb_request *req)
+{
+ struct smbXsrv_connection *xconn = req->xconn;
+
+ if (xconn->protocol >= PROTOCOL_NT1) {
+ req->flags2 |= 0x40; /* IS_LONG_NAME */
+ SSVAL(discard_const_p(uint8_t, req->inbuf),smb_flg2,req->flags2);
+ }
+
+
+ /* Now we must call the relevant NT_TRANS function */
+ switch(state->call) {
+ case NT_TRANSACT_CREATE:
+ {
+ START_PROFILE(NT_transact_create);
+ call_nt_transact_create(
+ conn, req,
+ &state->setup, state->setup_count,
+ &state->param, state->total_param,
+ &state->data, state->total_data,
+ state->max_data_return);
+ END_PROFILE(NT_transact_create);
+ break;
+ }
+
+ case NT_TRANSACT_IOCTL:
+ {
+ START_PROFILE(NT_transact_ioctl);
+ call_nt_transact_ioctl(
+ conn, req,
+ &state->setup, state->setup_count,
+ &state->param, state->total_param,
+ &state->data, state->total_data,
+ state->max_data_return);
+ END_PROFILE(NT_transact_ioctl);
+ break;
+ }
+
+ case NT_TRANSACT_SET_SECURITY_DESC:
+ {
+ START_PROFILE(NT_transact_set_security_desc);
+ call_nt_transact_set_security_desc(
+ conn, req,
+ &state->setup, state->setup_count,
+ &state->param, state->total_param,
+ &state->data, state->total_data,
+ state->max_data_return);
+ END_PROFILE(NT_transact_set_security_desc);
+ break;
+ }
+
+ case NT_TRANSACT_NOTIFY_CHANGE:
+ {
+ START_PROFILE(NT_transact_notify_change);
+ call_nt_transact_notify_change(
+ conn, req,
+ &state->setup, state->setup_count,
+ &state->param, state->total_param,
+ &state->data, state->total_data,
+ state->max_data_return,
+ state->max_param_return);
+ END_PROFILE(NT_transact_notify_change);
+ break;
+ }
+
+ case NT_TRANSACT_RENAME:
+ {
+ START_PROFILE(NT_transact_rename);
+ call_nt_transact_rename(
+ conn, req,
+ &state->setup, state->setup_count,
+ &state->param, state->total_param,
+ &state->data, state->total_data,
+ state->max_data_return);
+ END_PROFILE(NT_transact_rename);
+ break;
+ }
+
+ case NT_TRANSACT_QUERY_SECURITY_DESC:
+ {
+ START_PROFILE(NT_transact_query_security_desc);
+ call_nt_transact_query_security_desc(
+ conn, req,
+ &state->setup, state->setup_count,
+ &state->param, state->total_param,
+ &state->data, state->total_data,
+ state->max_data_return);
+ END_PROFILE(NT_transact_query_security_desc);
+ break;
+ }
+
+#ifdef HAVE_SYS_QUOTAS
+ case NT_TRANSACT_GET_USER_QUOTA:
+ {
+ START_PROFILE(NT_transact_get_user_quota);
+ call_nt_transact_get_user_quota(
+ conn, req,
+ &state->setup, state->setup_count,
+ &state->param, state->total_param,
+ &state->data, state->total_data,
+ state->max_data_return);
+ END_PROFILE(NT_transact_get_user_quota);
+ break;
+ }
+
+ case NT_TRANSACT_SET_USER_QUOTA:
+ {
+ START_PROFILE(NT_transact_set_user_quota);
+ call_nt_transact_set_user_quota(
+ conn, req,
+ &state->setup, state->setup_count,
+ &state->param, state->total_param,
+ &state->data, state->total_data,
+ state->max_data_return);
+ END_PROFILE(NT_transact_set_user_quota);
+ break;
+ }
+#endif /* HAVE_SYS_QUOTAS */
+
+ default:
+ /* Error in request */
+ DEBUG(0,("handle_nttrans: Unknown request %d in "
+ "nttrans call\n", state->call));
+ reply_nterror(req, NT_STATUS_INVALID_LEVEL);
+ return;
+ }
+ return;
+}
+
+/****************************************************************************
+ Reply to a SMBNTtrans.
+****************************************************************************/
+
+void reply_nttrans(struct smb_request *req)
+{
+ connection_struct *conn = req->conn;
+ uint32_t pscnt;
+ uint32_t psoff;
+ uint32_t dscnt;
+ uint32_t dsoff;
+ uint16_t function_code;
+ NTSTATUS result;
+ struct trans_state *state;
+
+ START_PROFILE(SMBnttrans);
+
+ if (req->wct < 19) {
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ END_PROFILE(SMBnttrans);
+ return;
+ }
+
+ pscnt = IVAL(req->vwv+9, 1);
+ psoff = IVAL(req->vwv+11, 1);
+ dscnt = IVAL(req->vwv+13, 1);
+ dsoff = IVAL(req->vwv+15, 1);
+ function_code = SVAL(req->vwv+18, 0);
+
+ if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
+ reply_nterror(req, NT_STATUS_ACCESS_DENIED);
+ END_PROFILE(SMBnttrans);
+ return;
+ }
+
+ result = allow_new_trans(conn->pending_trans, req->mid);
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
+ reply_nterror(req, result);
+ END_PROFILE(SMBnttrans);
+ return;
+ }
+
+ if ((state = talloc(conn, struct trans_state)) == NULL) {
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ END_PROFILE(SMBnttrans);
+ return;
+ }
+
+ state->cmd = SMBnttrans;
+
+ state->mid = req->mid;
+ state->vuid = req->vuid;
+ state->total_data = IVAL(req->vwv+3, 1);
+ state->data = NULL;
+ state->total_param = IVAL(req->vwv+1, 1);
+ state->param = NULL;
+ state->max_data_return = IVAL(req->vwv+7, 1);
+ state->max_param_return = IVAL(req->vwv+5, 1);
+
+ /* setup count is in *words* */
+ state->setup_count = 2*CVAL(req->vwv+17, 1);
+ state->setup = NULL;
+ state->call = function_code;
+
+ DEBUG(10, ("num_setup=%u, "
+ "param_total=%u, this_param=%u, max_param=%u, "
+ "data_total=%u, this_data=%u, max_data=%u, "
+ "param_offset=%u, data_offset=%u\n",
+ (unsigned)state->setup_count,
+ (unsigned)state->total_param, (unsigned)pscnt,
+ (unsigned)state->max_param_return,
+ (unsigned)state->total_data, (unsigned)dscnt,
+ (unsigned)state->max_data_return,
+ (unsigned)psoff, (unsigned)dsoff));
+
+ /*
+ * All nttrans messages we handle have smb_wct == 19 +
+ * state->setup_count. Ensure this is so as a sanity check.
+ */
+
+ if(req->wct != 19 + (state->setup_count/2)) {
+ DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
+ req->wct, 19 + (state->setup_count/2)));
+ goto bad_param;
+ }
+
+ /* Don't allow more than 128mb for each value. */
+ if ((state->total_data > (1024*1024*128)) ||
+ (state->total_param > (1024*1024*128))) {
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ END_PROFILE(SMBnttrans);
+ return;
+ }
+
+ if ((dscnt > state->total_data) || (pscnt > state->total_param))
+ goto bad_param;
+
+ if (state->total_data) {
+
+ if (smb_buffer_oob(state->total_data, 0, dscnt)
+ || smb_buffer_oob(smb_len(req->inbuf), dsoff, dscnt)) {
+ goto bad_param;
+ }
+
+ /* Can't use talloc here, the core routines do realloc on the
+ * params and data. */
+ if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
+ DEBUG(0,("reply_nttrans: data malloc fail for %u "
+ "bytes !\n", (unsigned int)state->total_data));
+ TALLOC_FREE(state);
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ END_PROFILE(SMBnttrans);
+ return;
+ }
+
+ memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
+ }
+
+ if (state->total_param) {
+
+ if (smb_buffer_oob(state->total_param, 0, pscnt)
+ || smb_buffer_oob(smb_len(req->inbuf), psoff, pscnt)) {
+ goto bad_param;
+ }
+
+ /* Can't use talloc here, the core routines do realloc on the
+ * params and data. */
+ if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
+ DEBUG(0,("reply_nttrans: param malloc fail for %u "
+ "bytes !\n", (unsigned int)state->total_param));
+ SAFE_FREE(state->data);
+ TALLOC_FREE(state);
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ END_PROFILE(SMBnttrans);
+ return;
+ }
+
+ memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
+ }
+
+ state->received_data = dscnt;
+ state->received_param = pscnt;
+
+ if(state->setup_count > 0) {
+ DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
+ state->setup_count));
+
+ /*
+ * No overflow possible here, state->setup_count is an
+ * unsigned int, being filled by a single byte from
+ * CVAL(req->vwv+13, 0) above. The cast in the comparison
+ * below is not necessary, it's here to clarify things. The
+ * validity of req->vwv and req->wct has been checked in
+ * init_smb1_request already.
+ */
+ if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
+ goto bad_param;
+ }
+
+ state->setup = (uint16_t *)TALLOC(state, state->setup_count);
+ if (state->setup == NULL) {
+ DEBUG(0,("reply_nttrans : Out of memory\n"));
+ SAFE_FREE(state->data);
+ SAFE_FREE(state->param);
+ TALLOC_FREE(state);
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ END_PROFILE(SMBnttrans);
+ return;
+ }
+
+ memcpy(state->setup, req->vwv+19, state->setup_count);
+ dump_data(10, (uint8_t *)state->setup, state->setup_count);
+ }
+
+ if ((state->received_data == state->total_data) &&
+ (state->received_param == state->total_param)) {
+ handle_nttrans(conn, state, req);
+ SAFE_FREE(state->param);
+ SAFE_FREE(state->data);
+ TALLOC_FREE(state);
+ END_PROFILE(SMBnttrans);
+ return;
+ }
+
+ DLIST_ADD(conn->pending_trans, state);
+
+ /* We need to send an interim response then receive the rest
+ of the parameter/data bytes */
+ reply_smb1_outbuf(req, 0, 0);
+ show_msg((char *)req->outbuf);
+ END_PROFILE(SMBnttrans);
+ return;
+
+ bad_param:
+
+ DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
+ SAFE_FREE(state->data);
+ SAFE_FREE(state->param);
+ TALLOC_FREE(state);
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ END_PROFILE(SMBnttrans);
+ return;
+}
+
+/****************************************************************************
+ Reply to a SMBnttranss
+ ****************************************************************************/
+
+void reply_nttranss(struct smb_request *req)
+{
+ connection_struct *conn = req->conn;
+ uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
+ struct trans_state *state;
+
+ START_PROFILE(SMBnttranss);
+
+ show_msg((const char *)req->inbuf);
+
+ /* Windows clients expect all replies to
+ an NT transact secondary (SMBnttranss 0xA1)
+ to have a command code of NT transact
+ (SMBnttrans 0xA0). See bug #8989 for details. */
+ req->cmd = SMBnttrans;
+
+ if (req->wct < 18) {
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ END_PROFILE(SMBnttranss);
+ return;
+ }
+
+ for (state = conn->pending_trans; state != NULL;
+ state = state->next) {
+ if (state->mid == req->mid) {
+ break;
+ }
+ }
+
+ if ((state == NULL) || (state->cmd != SMBnttrans)) {
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ END_PROFILE(SMBnttranss);
+ return;
+ }
+
+ /* Revise state->total_param and state->total_data in case they have
+ changed downwards */
+ if (IVAL(req->vwv+1, 1) < state->total_param) {
+ state->total_param = IVAL(req->vwv+1, 1);
+ }
+ if (IVAL(req->vwv+3, 1) < state->total_data) {
+ state->total_data = IVAL(req->vwv+3, 1);
+ }
+
+ pcnt = IVAL(req->vwv+5, 1);
+ poff = IVAL(req->vwv+7, 1);
+ pdisp = IVAL(req->vwv+9, 1);
+
+ dcnt = IVAL(req->vwv+11, 1);
+ doff = IVAL(req->vwv+13, 1);
+ ddisp = IVAL(req->vwv+15, 1);
+
+ state->received_param += pcnt;
+ state->received_data += dcnt;
+
+ if ((state->received_data > state->total_data) ||
+ (state->received_param > state->total_param))
+ goto bad_param;
+
+ if (pcnt) {
+ if (smb_buffer_oob(state->total_param, pdisp, pcnt)
+ || smb_buffer_oob(smb_len(req->inbuf), poff, pcnt)) {
+ goto bad_param;
+ }
+ memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
+ }
+
+ if (dcnt) {
+ if (smb_buffer_oob(state->total_data, ddisp, dcnt)
+ || smb_buffer_oob(smb_len(req->inbuf), doff, dcnt)) {
+ goto bad_param;
+ }
+ memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
+ }
+
+ if ((state->received_param < state->total_param) ||
+ (state->received_data < state->total_data)) {
+ END_PROFILE(SMBnttranss);
+ return;
+ }
+
+ handle_nttrans(conn, state, req);
+
+ DLIST_REMOVE(conn->pending_trans, state);
+ SAFE_FREE(state->data);
+ SAFE_FREE(state->param);
+ TALLOC_FREE(state);
+ END_PROFILE(SMBnttranss);
+ return;
+
+ bad_param:
+
+ DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
+ DLIST_REMOVE(conn->pending_trans, state);
+ SAFE_FREE(state->data);
+ SAFE_FREE(state->param);
+ TALLOC_FREE(state);
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ END_PROFILE(SMBnttranss);
+ return;
+}