extern int max_send;
extern enum protocol_types Protocol;
-extern struct current_user current_user;
-
-static const char *known_nt_pipes[] = {
- "\\LANMAN",
- "\\srvsvc",
- "\\samr",
- "\\wkssvc",
- "\\NETLOGON",
- "\\ntlsa",
- "\\ntsvcs",
- "\\lsass",
- "\\lsarpc",
- "\\winreg",
- "\\initshutdown",
- "\\spoolss",
- "\\netdfs",
- "\\rpcecho",
- "\\svcctl",
- "\\eventlog",
- "\\unixinfo",
- NULL
-};
+extern const struct generic_mapping file_generic_mapping;
static char *nttrans_realloc(char **ptr, size_t size)
{
HACK ! Always assumes smb_setup field is zero.
****************************************************************************/
-void send_nt_replies(struct smb_request *req, NTSTATUS nt_error,
+void send_nt_replies(connection_struct *conn,
+ struct smb_request *req, NTSTATUS nt_error,
char *params, int paramsize,
char *pdata, int datasize)
{
+ alignment_offset
+ data_alignment_offset);
- /*
- * useable_space can never be more than max_send minus the
- * alignment offset.
- */
-
- useable_space = MIN(useable_space,
- max_send - (alignment_offset+data_alignment_offset));
-
+ if (useable_space < 0) {
+ DEBUG(0, ("send_nt_replies failed sanity useable_space "
+ "= %d!!!", useable_space));
+ exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
+ }
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 +
- alignment_offset + data_alignment_offset;
+ 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_outbuf(req, 18, total_sent_thistime);
+ reply_outbuf(req, 18,
+ total_sent_thistime + alignment_offset
+ + data_alignment_offset);
/*
* Set total params and data to be sent.
/* Send the packet */
show_msg((char *)req->outbuf);
- if (!send_smb(smbd_server_fd(),(char *)req->outbuf)) {
- exit_server_cleanly("send_nt_replies: send_smb failed.");
+ if (!srv_send_smb(smbd_server_fd(),
+ (char *)req->outbuf,
+ IS_CONN_ENCRYPTED(conn))) {
+ exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
}
TALLOC_FREE(req->outbuf);
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));
- return;
+ exit_server_cleanly("send_nt_replies: internal error");
}
}
}
/****************************************************************************
Is it an NTFS stream name ?
+ An NTFS file name is <path>.<extention>:<stream name>:<stream type>
+ $DATA can be used as both a stream name and a stream type. A missing stream
+ name or type implies $DATA.
****************************************************************************/
bool is_ntfs_stream_name(const char *fname)
struct smb_request *req, int *ppnum)
{
smb_np_struct *p = NULL;
- int i;
DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
/* See if it is one we want to handle. */
- if (lp_disable_spoolss() && strequal(fname, "\\spoolss")) {
- reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
- ERRDOS, ERRbadpipe);
- return;
- }
-
- for( i = 0; known_nt_pipes[i]; i++ ) {
- if( strequal(fname,known_nt_pipes[i])) {
- break;
- }
- }
-
- if ( known_nt_pipes[i] == NULL ) {
+ if (!is_known_pipename(fname)) {
reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
ERRDOS, ERRbadpipe);
return;
Reply to an NT create and X call.
****************************************************************************/
-void reply_ntcreate_and_X(connection_struct *conn, struct smb_request *req)
+void reply_ntcreate_and_X(struct smb_request *req)
{
+ connection_struct *conn = req->conn;
char *fname = NULL;
uint32 flags;
uint32 access_mask;
(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.
*/
do_ntcreate_pipe_open(conn, req);
END_PROFILE(SMBntcreateX);
return;
- } else {
- reply_doserror(req, ERRDOS, ERRnoaccess);
- END_PROFILE(SMBntcreateX);
- return;
}
+ reply_doserror(req, ERRDOS, ERRnoaccess);
+ END_PROFILE(SMBntcreateX);
+ return;
}
oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
}
file_len = sbuf.st_size;
- fattr = dos_mode(conn,fname,&sbuf);
+ fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
if (fattr == 0) {
fattr = FILE_ATTRIBUTE_NORMAL;
}
uint32 perms = 0;
p += 25;
if (fsp->is_directory
- || can_write_to_file(conn, fname, &sbuf)) {
+ || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
perms = FILE_GENERIC_ALL;
} else {
perms = FILE_GENERIC_READ|FILE_EXECUTE;
DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
/* Send the required number of replies */
- send_nt_replies(req, NT_STATUS_OK, params, param_len, *ppdata, 0);
+ send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
return;
}
return status;
}
- if (psd->owner_sid==0) {
+ if (psd->owner_sid == NULL) {
security_info_sent &= ~OWNER_SECURITY_INFORMATION;
}
- if (psd->group_sid==0) {
+ if (psd->group_sid == NULL) {
security_info_sent &= ~GROUP_SECURITY_INFORMATION;
}
- if (psd->sacl==0) {
- security_info_sent &= ~SACL_SECURITY_INFORMATION;
- }
- if (psd->dacl==0) {
- security_info_sent &= ~DACL_SECURITY_INFORMATION;
- }
- if (fsp->fh->fd != -1) {
- status = SMB_VFS_FSET_NT_ACL(fsp, fsp->fh->fd,
- security_info_sent, psd);
- }
- else {
- status = SMB_VFS_SET_NT_ACL(fsp, fsp->fsp_name,
- security_info_sent, psd);
+ /* Convert all the generic bits. */
+ security_acl_map_generic(psd->dacl, &file_generic_mapping);
+ security_acl_map_generic(psd->sacl, &file_generic_mapping);
+
+ if (DEBUGLEVEL >= 10) {
+ DEBUG(10,("set_sd for file %s\n", fsp->fsp_name ));
+ NDR_PRINT_DEBUG(security_descriptor, psd);
}
+ status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
+
TALLOC_FREE(psd);
return status;
ppparams, parameter_count,
ppdata, data_count);
return;
- } else {
- reply_doserror(req, ERRDOS, ERRnoaccess);
- return;
}
+ reply_doserror(req, ERRDOS, ERRnoaccess);
+ return;
}
/*
allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
#endif
+ /*
+ * 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;
+
/* 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)
}
file_len = sbuf.st_size;
- fattr = dos_mode(conn,fname,&sbuf);
+ fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
if (fattr == 0) {
fattr = FILE_ATTRIBUTE_NORMAL;
}
uint32 perms = 0;
p += 25;
if (fsp->is_directory
- || can_write_to_file(conn, fname, &sbuf)) {
+ || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
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", fname));
+ DEBUG(5,("call_nt_transact_create: open name = %s\n", fsp->fsp_name));
/* Send the required number of replies */
- send_nt_replies(req, NT_STATUS_OK, params, param_len, *ppdata, 0);
+ send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
return;
}
conn POINTER CAN BE NULL HERE !
****************************************************************************/
-void reply_ntcancel(connection_struct *conn, struct smb_request *req)
+void reply_ntcancel(struct smb_request *req)
{
/*
* Go through and cancel any pending change notifies.
START_PROFILE(SMBntcancel);
remove_pending_change_notify_requests_by_mid(req->mid);
remove_pending_lock_requests_by_mid(req->mid);
- srv_cancel_sign_response(req->mid);
+ srv_cancel_sign_response(req->mid, true);
DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
close_file(fsp1,NORMAL_CLOSE);
/* Ensure the modtime is set correctly on the destination file. */
- fsp_set_pending_modtime(fsp2, get_mtimespec(&sbuf1));
+ set_close_write_time(fsp2, get_mtimespec(&sbuf1));
status = close_file(fsp2,NORMAL_CLOSE);
Reply to a NT rename request.
****************************************************************************/
-void reply_ntrename(connection_struct *conn, struct smb_request *req)
+void reply_ntrename(struct smb_request *req)
{
+ connection_struct *conn = req->conn;
char *oldname = NULL;
char *newname = NULL;
char *p;
return;
}
- if( is_ntfs_stream_name(oldname)) {
- /* Can't rename a stream. */
- reply_nterror(req, NT_STATUS_ACCESS_DENIED);
- END_PROFILE(SMBntrename);
- return;
- }
-
if (ms_has_wild(oldname)) {
reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
END_PROFILE(SMBntrename);
return;
}
+ /* The new name must begin with a ':' if the old name is a stream. */
+ if (is_ntfs_stream_name(oldname) && (newname[0] != ':')) {
+ reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ END_PROFILE(SMBntrename);
+ return;
+ }
+
DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
switch(rename_type) {
case RENAME_FLAG_RENAME:
status = rename_internals(ctx, conn, req, oldname,
newname, attrs, False, src_has_wcard,
- dest_has_wcard);
+ dest_has_wcard, DELETE_ACCESS);
break;
case RENAME_FLAG_HARD_LINK:
if (src_has_wcard || dest_has_wcard) {
* here.
*/
- change_notify_reply(req->inbuf, max_param_count, fsp->notify);
+ change_notify_reply(fsp->conn, req->inbuf, max_param_count, fsp->notify);
/*
* change_notify_reply() above has independently sent its
* No changes pending, queue the request
*/
- status = change_notify_add_request(req->inbuf, max_param_count, filter,
+ status = change_notify_add_request(req,
+ max_param_count,
+ filter,
recursive, fsp);
if (!NT_STATUS_IS_OK(status)) {
reply_nterror(req, status);
char *params = *ppparams;
char *new_name = NULL;
files_struct *fsp = NULL;
- bool replace_if_exists = False;
bool dest_has_wcard = False;
NTSTATUS status;
TALLOC_CTX *ctx = talloc_tos();
}
fsp = file_fsp(SVAL(params, 0));
- replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
- if (!check_fsp(conn, req, fsp, ¤t_user)) {
+ if (!check_fsp(conn, req, fsp)) {
return;
}
srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
return;
}
- status = rename_internals(ctx,
- conn,
- req,
- fsp->fsp_name,
- new_name,
- 0,
- replace_if_exists,
- False,
- dest_has_wcard);
-
- if (!NT_STATUS_IS_OK(status)) {
- if (open_was_deferred(req->mid)) {
- /* We have re-scheduled this call. */
- return;
- }
- reply_nterror(req, status);
- return;
- }
-
/*
- * Rename was successful.
+ * W2K3 ignores this request as the RAW-RENAME test
+ * demonstrates, so we do.
*/
- send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
+ send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
- DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
+ DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
fsp->fsp_name, new_name));
return;
SEC_DESC *psd = NULL;
size_t sd_size;
uint32 security_info_wanted;
- TALLOC_CTX *frame;
files_struct *fsp = NULL;
NTSTATUS status;
DATA_BLOB blob;
return;
}
- frame = talloc_stackframe();
-
/*
* Get the permissions to return.
*/
if (!lp_nt_acl_support(SNUM(conn))) {
status = get_null_nt_acl(talloc_tos(), &psd);
} else {
- if (fsp->fh->fd != -1) {
- status = SMB_VFS_FGET_NT_ACL(
- fsp, fsp->fh->fd, security_info_wanted, &psd);
- }
- else {
- status = SMB_VFS_GET_NT_ACL(
- fsp, fsp->fsp_name, security_info_wanted, &psd);
- }
+ status = SMB_VFS_FGET_NT_ACL(
+ fsp, security_info_wanted, &psd);
}
-
if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(frame);
reply_nterror(req, status);
return;
}
- sd_size = sec_desc_size(psd);
+ /* If the SACL/DACL is NULL, but was requested, we mark that it is
+ * present in the reply to match Windows behavior */
+ if (psd->sacl == NULL &&
+ security_info_wanted & SACL_SECURITY_INFORMATION)
+ psd->type |= SEC_DESC_SACL_PRESENT;
+ if (psd->dacl == NULL &&
+ security_info_wanted & DACL_SECURITY_INFORMATION)
+ psd->type |= SEC_DESC_DACL_PRESENT;
+
+ sd_size = ndr_size_security_descriptor(psd, 0);
DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
+ if (DEBUGLEVEL >= 10) {
+ DEBUG(10,("call_nt_transact_query_security_desc for file %s\n", fsp->fsp_name ));
+ NDR_PRINT_DEBUG(security_descriptor, psd);
+ }
+
SIVAL(params,0,(uint32)sd_size);
if (max_data_count < sd_size) {
- send_nt_replies(req, NT_STATUS_BUFFER_TOO_SMALL,
+ send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
params, 4, *ppdata, 0);
- TALLOC_FREE(frame);
return;
}
data = nttrans_realloc(ppdata, sd_size);
if(data == NULL) {
- TALLOC_FREE(frame);
reply_doserror(req, ERRDOS, ERRnomem);
return;
}
&blob.data, &blob.length);
if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(frame);
reply_nterror(req, status);
return;
}
SMB_ASSERT(sd_size == blob.length);
memcpy(data, blob.data, sd_size);
- send_nt_replies(req, NT_STATUS_OK, params, 4, data, (int)sd_size);
+ send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
- TALLOC_FREE(frame);
return;
}
}
done:
- send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
+ send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
return;
}
so we can know if we need to pre-allocate or not */
DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
- send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
+ send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
return;
case FSCTL_CREATE_OR_GET_OBJECT_ID:
DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
- if (!fsp_belongs_conn(conn, req, fsp, ¤t_user)) {
+ if (!fsp_belongs_conn(conn, req, fsp)) {
return;
}
push_file_id_16(pdata, &fsp->file_id);
memcpy(pdata+16,create_volume_objectid(conn,objid),16);
push_file_id_16(pdata+32, &fsp->file_id);
- send_nt_replies(req, NT_STATUS_OK, NULL, 0,
+ send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
pdata, data_count);
return;
}
uint32 i;
char *cur_pdata;
- if (!fsp_belongs_conn(conn, req, fsp, ¤t_user)) {
+ if (!fsp_belongs_conn(conn, req, fsp)) {
return;
}
}
/* needed_data_count 4 bytes */
- SIVAL(pdata,8,labels_data_count);
+ SIVAL(pdata, 8, labels_data_count+4);
cur_pdata+=12;
talloc_destroy(shadow_data->mem_ctx);
- send_nt_replies(req, NT_STATUS_OK, NULL, 0,
+ send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
pdata, data_count);
return;
DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
- if (!fsp_belongs_conn(conn, req, fsp, ¤t_user)) {
+ if (!fsp_belongs_conn(conn, req, fsp)) {
return;
}
*/
/* this works for now... */
- send_nt_replies(req, NT_STATUS_OK, NULL, 0, NULL, 0);
+ send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
return;
}
default:
ZERO_STRUCT(qt);
/* access check */
- if (current_user.ut.uid != 0) {
- DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
- lp_servicename(SNUM(conn)),conn->user));
+ if (conn->server_info->utok.uid != 0) {
+ DEBUG(1,("get_user_quota: access_denied service [%s] user "
+ "[%s]\n", lp_servicename(SNUM(conn)),
+ conn->server_info->unix_name));
reply_doserror(req, ERRDOS, ERRnoaccess);
return;
}
/* maybe we can check the quota_fnum */
fsp = file_fsp(SVAL(params,0));
- if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
+ if (!check_fsp_ntquota_handle(conn, req, fsp)) {
DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
reply_nterror(req, NT_STATUS_INVALID_HANDLE);
return;
/* the NULL pointer checking for fsp->fake_file_handle->pd
* is done by CHECK_NTQUOTA_HANDLE_OK()
*/
- qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
+ qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
level = SVAL(params,2);
for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
- sid_len = sid_size(&tmp_list->quotas->sid);
+ sid_len = ndr_size_dom_sid(
+ &tmp_list->quotas->sid, 0);
entry_len = 40 + sid_len;
/* nextoffset entry 4 bytes */
break;
}
- send_nt_replies(req, nt_status, params, param_len,
+ send_nt_replies(conn, req, nt_status, params, param_len,
pdata, data_len);
}
ZERO_STRUCT(qt);
/* access check */
- if (current_user.ut.uid != 0) {
- DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
- lp_servicename(SNUM(conn)),conn->user));
+ if (conn->server_info->utok.uid != 0) {
+ DEBUG(1,("set_user_quota: access_denied service [%s] user "
+ "[%s]\n", lp_servicename(SNUM(conn)),
+ conn->server_info->unix_name));
reply_doserror(req, ERRDOS, ERRnoaccess);
return;
}
/* maybe we can check the quota_fnum */
fsp = file_fsp(SVAL(params,0));
- if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
+ if (!check_fsp_ntquota_handle(conn, req, fsp)) {
DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
reply_nterror(req, NT_STATUS_INVALID_HANDLE);
return;
return;
}
- send_nt_replies(req, NT_STATUS_OK, params, param_len,
+ send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
pdata, data_len);
}
#endif /* HAVE_SYS_QUOTAS */
Reply to a SMBNTtrans.
****************************************************************************/
-void reply_nttrans(connection_struct *conn, struct smb_request *req)
+void reply_nttrans(struct smb_request *req)
{
- uint32 pscnt;
- uint32 psoff;
- uint32 dscnt;
- uint32 dsoff;
+ connection_struct *conn = req->conn;
+ uint32_t pscnt;
+ uint32_t psoff;
+ uint32_t dscnt;
+ uint32_t dsoff;
uint16 function_code;
NTSTATUS result;
struct trans_state *state;
- int size;
+ uint32_t size;
+ uint32_t av_size;
START_PROFILE(SMBnttrans);
}
size = smb_len(req->inbuf) + 4;
+ av_size = smb_len(req->inbuf);
pscnt = IVAL(req->inbuf,smb_nt_ParameterCount);
psoff = IVAL(req->inbuf,smb_nt_ParameterOffset);
dscnt = IVAL(req->inbuf,smb_nt_DataCount);
return;
}
- if ((state = TALLOC_P(conn->mem_ctx, struct trans_state)) == NULL) {
+ if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
reply_doserror(req, ERRSRV, ERRaccess);
END_PROFILE(SMBnttrans);
return;
END_PROFILE(SMBnttrans);
return;
}
- if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
+
+ if (dscnt > state->total_data ||
+ dsoff+dscnt < dsoff) {
goto bad_param;
- if ((smb_base(req->inbuf)+dsoff+dscnt
- > (char *)req->inbuf + size) ||
- (smb_base(req->inbuf)+dsoff+dscnt < smb_base(req->inbuf)))
+ }
+
+ if (dsoff > av_size ||
+ dscnt > av_size ||
+ dsoff+dscnt > av_size) {
goto bad_param;
+ }
memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
}
END_PROFILE(SMBnttrans);
return;
}
- if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
+
+ if (pscnt > state->total_param ||
+ psoff+pscnt < psoff) {
goto bad_param;
- if ((smb_base(req->inbuf)+psoff+pscnt
- > (char *)req->inbuf + size) ||
- (smb_base(req->inbuf)+psoff+pscnt < smb_base(req->inbuf)))
+ }
+
+ if (psoff > av_size ||
+ pscnt > av_size ||
+ psoff+pscnt > av_size) {
goto bad_param;
+ }
memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
}
Reply to a SMBnttranss
****************************************************************************/
-void reply_nttranss(connection_struct *conn, struct smb_request *req)
+void reply_nttranss(struct smb_request *req)
{
- unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
+ connection_struct *conn = req->conn;
+ uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
struct trans_state *state;
-
- int size;
+ uint32_t av_size;
+ uint32_t size;
START_PROFILE(SMBnttranss);
}
size = smb_len(req->inbuf) + 4;
+ av_size = smb_len(req->inbuf);
pcnt = IVAL(req->inbuf,smb_nts_ParameterCount);
poff = IVAL(req->inbuf, smb_nts_ParameterOffset);
goto bad_param;
if (pcnt) {
- if (pdisp+pcnt > state->total_param)
- goto bad_param;
- if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
- goto bad_param;
- if (pdisp > state->total_param)
+ if (pdisp > state->total_param ||
+ pcnt > state->total_param ||
+ pdisp+pcnt > state->total_param ||
+ pdisp+pcnt < pdisp) {
goto bad_param;
- if ((smb_base(req->inbuf) + poff + pcnt
- > (char *)req->inbuf + size) ||
- (smb_base(req->inbuf) + poff + pcnt
- < smb_base(req->inbuf)))
- goto bad_param;
- if (state->param + pdisp < state->param)
+ }
+
+ if (poff > av_size ||
+ pcnt > av_size ||
+ poff+pcnt > av_size ||
+ poff+pcnt < poff) {
goto bad_param;
+ }
memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,
pcnt);
}
if (dcnt) {
- if (ddisp+dcnt > state->total_data)
- goto bad_param;
- if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
+ if (ddisp > state->total_data ||
+ dcnt > state->total_data ||
+ ddisp+dcnt > state->total_data ||
+ ddisp+dcnt < ddisp) {
goto bad_param;
- if (ddisp > state->total_data)
- goto bad_param;
- if ((smb_base(req->inbuf) + doff + dcnt
- > (char *)req->inbuf + size) ||
- (smb_base(req->inbuf) + doff + dcnt
- < smb_base(req->inbuf)))
- goto bad_param;
- if (state->data + ddisp < state->data)
+ }
+
+ if (doff > av_size ||
+ dcnt > av_size ||
+ doff+dcnt > av_size ||
+ doff+dcnt < doff) {
goto bad_param;
+ }
memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,
dcnt);
git.samba.org / samba.git / blobdiff