void looper(){ int status=1; char * cpath; char buff[PATH_MAX + 1]; sigflag=0; do { //setjmp (env); input_redirect_index=0, output_redirect_index=0; cpath = getcwd(buff, PATH_MAX+1); printf("< %s ", cpath); line = readline("SMASH >$ "); if (NULL == line){ exit(EOF); } add_history(line); if (strlen(line)>=1){ args = splitline(line); redirect_flag=check_for_redirect(args); pipe_flag=check_for_pipe(args); SMASHexec(args); //signal(SIGINT, sig_handler); free(args); } //printf("hi!"); //sleep(1); free(line); }while (status); }
static BOOL open_file(files_struct *fsp,connection_struct *conn, const char *fname1,SMB_STRUCT_STAT *psbuf,int flags,mode_t mode, uint32 desired_access) { extern struct current_user current_user; pstring fname; int accmode = (flags & O_ACCMODE); int local_flags = flags; fsp->fd = -1; fsp->oplock_type = NO_OPLOCK; errno = EPERM; pstrcpy(fname,fname1); /* Check permissions */ /* * This code was changed after seeing a client open request * containing the open mode of (DENY_WRITE/read-only) with * the 'create if not exist' bit set. The previous code * would fail to open the file read only on a read-only share * as it was checking the flags parameter directly against O_RDONLY, * this was failing as the flags parameter was set to O_RDONLY|O_CREAT. * JRA. */ if (!CAN_WRITE(conn)) { /* It's a read-only share - fail if we wanted to write. */ if(accmode != O_RDONLY) { DEBUG(3,("Permission denied opening %s\n",fname)); check_for_pipe(fname); return False; } else if(flags & O_CREAT) { /* We don't want to write - but we must make sure that O_CREAT doesn't create the file if we have write access into the directory. */ flags &= ~O_CREAT; } } /* * This little piece of insanity is inspired by the * fact that an NT client can open a file for O_RDONLY, * but set the create disposition to FILE_EXISTS_TRUNCATE. * If the client *can* write to the file, then it expects to * truncate the file, even though it is opening for readonly. * Quicken uses this stupid trick in backup file creation... * Thanks *greatly* to "David W. Chapman Jr." <*****@*****.**> * for helping track this one down. It didn't bite us in 2.0.x * as we always opened files read-write in that release. JRA. */ if ((accmode == O_RDONLY) && ((flags & O_TRUNC) == O_TRUNC)) { DEBUG(10,("open_file: truncate requested on read-only open for file %s\n",fname )); local_flags = (flags & ~O_ACCMODE)|O_RDWR; } /* actually do the open */ if ((desired_access & (FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA|FILE_EXECUTE)) || (local_flags & O_CREAT) || ((local_flags & O_TRUNC) == O_TRUNC) ) { /* * We can't actually truncate here as the file may be locked. * open_file_shared will take care of the truncate later. JRA. */ local_flags &= ~O_TRUNC; #if defined(O_NONBLOCK) && defined(S_ISFIFO) /* * We would block on opening a FIFO with no one else on the * other end. Do what we used to do and add O_NONBLOCK to the * open flags. JRA. */ if (VALID_STAT(*psbuf) && S_ISFIFO(psbuf->st_mode)) local_flags |= O_NONBLOCK; #endif fsp->fd = fd_open(conn, fname, local_flags, mode); if (fsp->fd == -1) { DEBUG(3,("Error opening file %s (%s) (local_flags=%d) (flags=%d)\n", fname,strerror(errno),local_flags,flags)); check_for_pipe(fname); return False; } } else fsp->fd = -1; /* What we used to call a stat open. */ if (!VALID_STAT(*psbuf)) { int ret; if (fsp->fd == -1) ret = vfs_stat(conn, fname, psbuf); else { ret = vfs_fstat(fsp,fsp->fd,psbuf); /* If we have an fd, this stat should succeed. */ if (ret == -1) DEBUG(0,("Error doing fstat on open file %s (%s)\n", fname,strerror(errno) )); } /* For a non-io open, this stat failing means file not found. JRA */ if (ret == -1) { fd_close(conn, fsp); return False; } } /* * POSIX allows read-only opens of directories. We don't * want to do this (we use a different code path for this) * so catch a directory open and return an EISDIR. JRA. */ if(S_ISDIR(psbuf->st_mode)) { fd_close(conn, fsp); errno = EISDIR; return False; } fsp->mode = psbuf->st_mode; fsp->inode = psbuf->st_ino; fsp->dev = psbuf->st_dev; fsp->vuid = current_user.vuid; fsp->size = psbuf->st_size; fsp->pos = -1; fsp->can_lock = True; fsp->can_read = ((flags & O_WRONLY)==0); fsp->can_write = ((flags & (O_WRONLY|O_RDWR))!=0); fsp->share_mode = 0; fsp->desired_access = desired_access; fsp->print_file = False; fsp->modified = False; fsp->oplock_type = NO_OPLOCK; fsp->sent_oplock_break = NO_BREAK_SENT; fsp->is_directory = False; fsp->directory_delete_on_close = False; fsp->conn = conn; /* * Note that the file name here is the *untranslated* name * ie. it is still in the DOS codepage sent from the client. * All use of this filename will pass though the sys_xxxx * functions which will do the dos_to_unix translation before * mapping into a UNIX filename. JRA. */ string_set(&fsp->fsp_name,fname); fsp->wbmpx_ptr = NULL; fsp->wcp = NULL; /* Write cache pointer. */ DEBUG(2,("%s opened file %s read=%s write=%s (numopen=%d)\n", *current_user_info.smb_name ? current_user_info.smb_name : conn->user,fsp->fsp_name, BOOLSTR(fsp->can_read), BOOLSTR(fsp->can_write), conn->num_files_open + 1)); return True; }