diff options
Diffstat (limited to 'source3/smbd')
| -rw-r--r-- | source3/smbd/nttrans.c | 82 |
1 files changed, 78 insertions, 4 deletions
diff --git a/source3/smbd/nttrans.c b/source3/smbd/nttrans.c index 4d3572c6a8..b439ba9560 100644 --- a/source3/smbd/nttrans.c +++ b/source3/smbd/nttrans.c @@ -399,6 +399,7 @@ static int nt_open_pipe(char *fname, connection_struct *conn, /**************************************************************************** Reply to an NT create and X call. ****************************************************************************/ + int reply_ntcreate_and_X(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize) { @@ -411,6 +412,7 @@ int reply_ntcreate_and_X(connection_struct *conn, uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions); uint32 fname_len = MIN(((uint32)SVAL(inbuf,smb_ntcreate_NameLength)), ((uint32)sizeof(fname)-1)); + uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid); int smb_ofun; int smb_open_mode; int smb_attr = (file_attributes & SAMBA_ATTRIBUTES_MASK); @@ -449,8 +451,43 @@ int reply_ntcreate_and_X(connection_struct *conn, /* * Get the file name. */ - StrnCpy(fname,smb_buf(inbuf),fname_len); - fname[fname_len] = '\0'; + + if(root_dir_fid != 0) { + /* + * This filename is relative to a directory fid. + */ + files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid); + size_t dir_name_len; + + if(!dir_fsp || !dir_fsp->is_directory) + return(ERROR(ERRDOS,ERRbadfid)); + + /* + * Copy in the base directory name. + */ + + pstrcpy( fname, dir_fsp->fsp_name ); + dir_name_len = strlen(fname); + + /* + * Ensure it ends in a '\'. + */ + + if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') { + pstrcat(fname, "\\"); + dir_name_len++; + } + + if(fname_len + dir_name_len >= sizeof(pstring)) + return(ERROR(ERRSRV,ERRfilespecs)); + + StrnCpy(&fname[dir_name_len], smb_buf(inbuf),fname_len); + fname[dir_name_len+fname_len] = '\0'; + + } else { + StrnCpy(fname,smb_buf(inbuf),fname_len); + fname[fname_len] = '\0'; + } /* If it's an IPC, use the pipe handler. */ @@ -694,6 +731,7 @@ static int call_nt_transact_create(connection_struct *conn, uint32 create_options = IVAL(params,32); uint32 fname_len = MIN(((uint32)IVAL(params,44)), ((uint32)sizeof(fname)-1)); + uint16 root_dir_fid = (uint16)IVAL(params,4); int smb_ofun; int smb_open_mode; int smb_attr = (file_attributes & SAMBA_ATTRIBUTES_MASK); @@ -726,12 +764,48 @@ static int call_nt_transact_create(connection_struct *conn, if((smb_open_mode = map_share_mode( desired_access, share_access, file_attributes)) == -1) return(ERROR(ERRDOS,ERRbadaccess)); + /* * Get the file name. */ - StrnCpy(fname,params+53,fname_len); - fname[fname_len] = '\0'; + if(root_dir_fid != 0) { + /* + * This filename is relative to a directory fid. + */ + + files_struct *dir_fsp = file_fsp(params,4); + size_t dir_name_len; + + if(!dir_fsp || !dir_fsp->is_directory) + return(ERROR(ERRDOS,ERRbadfid)); + + /* + * Copy in the base directory name. + */ + + pstrcpy( fname, dir_fsp->fsp_name ); + dir_name_len = strlen(fname); + + /* + * Ensure it ends in a '\'. + */ + + if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) { + pstrcat(fname, "\\"); + dir_name_len++; + } + + if(fname_len + dir_name_len >= sizeof(pstring)) + return(ERROR(ERRSRV,ERRfilespecs)); + + StrnCpy(&fname[dir_name_len], params+53, fname_len); + fname[dir_name_len+fname_len] = '\0'; + + } else { + StrnCpy(fname,params+53,fname_len); + fname[fname_len] = '\0'; + } /* If it's an IPC, use the pipe handler. */ if (IS_IPC(conn)) { |