Exemplo n.º 1
0
extern int rm_main(int argc, char **argv)
{
	int status = 0;
	int flags = 0;
	unsigned long opt;

	bb_opt_complementaly = "f-i:i-f";
	opt = bb_getopt_ulflags(argc, argv, "fiRr");
	if(opt & 1)
				flags |= FILEUTILS_FORCE;
	if(opt & 2)
		flags |= FILEUTILS_INTERACTIVE;
	if(opt & 12)
		flags |= FILEUTILS_RECUR;

	if (*(argv += optind) != NULL) {
		do {
			const char *base = bb_get_last_path_component(*argv);

			if ((base[0] == '.') && (!base[1] || ((base[1] == '.') && !base[2]))) {
				bb_error_msg("cannot remove `.' or `..'");
			} else if (remove_file(*argv, flags) >= 0) {
				continue;
			}
			status = 1;
		} while (*++argv);
	} else if (!(flags & FILEUTILS_FORCE)) {
		bb_show_usage();
	}

	return status;
}
Exemplo n.º 2
0
int basename_main(int argc, char **argv)
{
	size_t m, n;
	char *s;

	if (((unsigned int)(argc-2)) >= 2) {
		bb_show_usage();
	}

	s = bb_get_last_path_component(*++argv);

	if (*++argv) {
		n = strlen(*argv);
		m = strlen(s);
		if ((m > n) && ((strcmp)(s+m-n, *argv) == 0)) {
			s[m-n] = '\0';
		}
	}

	puts(s);

	fflush_stdout_and_exit(EXIT_SUCCESS);
}
Exemplo n.º 3
0
int cp_main(int argc, char **argv)
{
	struct stat source_stat;
	struct stat dest_stat;
	const char *last;
	const char *dest;
	int s_flags;
	int d_flags;
	int flags;
	int status = 0;
	enum {
		OPT_a = 1 << (sizeof(FILEUTILS_CP_OPTSTR)-1),
		OPT_r = 1 << (sizeof(FILEUTILS_CP_OPTSTR)),
		OPT_P = 1 << (sizeof(FILEUTILS_CP_OPTSTR)+1),
		OPT_H = 1 << (sizeof(FILEUTILS_CP_OPTSTR)+2),
		OPT_L = 1 << (sizeof(FILEUTILS_CP_OPTSTR)+3),
	};

	// Soft- and hardlinking don't mix
	// -P and -d are the same (-P is POSIX, -d is GNU)
	// -r and -R are the same
	// -a = -pdR
	opt_complementary = "?:l--s:s--l:Pd:rR:apdR";
	flags = getopt32(argc, argv, FILEUTILS_CP_OPTSTR "arPHL");
	/* Default behavior of cp is to dereference, so we don't have to do
	 * anything special when we are given -L.
	 * The behavior of -H is *almost* like -L, but not quite, so let's
	 * just ignore it too for fun.
	if (flags & OPT_L) ...
	if (flags & OPT_H) ... // deref command-line params only
	*/

#if ENABLE_SELINUX
	if (flags & FILEUTILS_PRESERVE_SECURITY_CONTEXT) {
		selinux_or_die();
	}
#endif

	flags ^= FILEUTILS_DEREFERENCE;		/* The sense of this flag was reversed. */

	if (optind + 2 > argc) {
		bb_show_usage();
	}

	last = argv[argc - 1];
	argv += optind;

	/* If there are only two arguments and...  */
	if (optind + 2 == argc) {
		s_flags = cp_mv_stat2(*argv, &source_stat,
				      (flags & FILEUTILS_DEREFERENCE) ? stat : lstat);
		if (s_flags < 0)
			return EXIT_FAILURE;
		d_flags = cp_mv_stat(last, &dest_stat);
		if (d_flags < 0)
			return EXIT_FAILURE;

		/* ...if neither is a directory or...  */
		if ( !((s_flags | d_flags) & 2) ||
			/* ...recursing, the 1st is a directory, and the 2nd doesn't exist... */
			((flags & FILEUTILS_RECUR) && (s_flags & 2) && !d_flags)
		) {
			/* ...do a simple copy.  */
			dest = xstrdup(last);
			goto DO_COPY; /* Note: optind+2==argc implies argv[1]==last below. */
		}
	}

	do {
		dest = concat_path_file(last, bb_get_last_path_component(*argv));
 DO_COPY:
		if (copy_file(*argv, dest, flags) < 0) {
			status = 1;
		}
		free((void*)dest);
	} while (*++argv != last);

	return status;
}
Exemplo n.º 4
0
int ln_main(int argc, char **argv)
{
	int status = EXIT_SUCCESS;
	int flag;
	char *last;
	char *src_name;
	char *src;
	char *suffix = (char*)"~";
	struct stat statbuf;
	int (*link_func)(const char *, const char *);

	flag = getopt32(argc, argv, "sfnbS:", &suffix);

	if (argc == optind) {
		bb_show_usage();
	}

	last = argv[argc - 1];
	argv += optind;

	if (argc == optind + 1) {
		*--argv = last;
		last = bb_get_last_path_component(xstrdup(last));
	}

	do {
		src_name = NULL;
		src = last;

		if (is_directory(src,
		                (flag & LN_NODEREFERENCE) ^ LN_NODEREFERENCE,
		            	NULL)) {
			src_name = xstrdup(*argv);
			src = concat_path_file(src, bb_get_last_path_component(src_name));
			free(src_name);
			src_name = src;
		}
		if (!(flag & LN_SYMLINK) && stat(*argv, &statbuf)) {
			// coreutils: "ln dangling_symlink new_hardlink" works
			if (lstat(*argv, &statbuf) || !S_ISLNK(statbuf.st_mode)) {
				bb_perror_msg("%s", *argv);
				status = EXIT_FAILURE;
				free(src_name);
				continue;
			}
		}

		if (flag & LN_BACKUP) {
			char *backup;
			backup = xasprintf("%s%s", src, suffix);
			if (rename(src, backup) < 0 && errno != ENOENT) {
				bb_perror_msg("%s", src);
				status = EXIT_FAILURE;
				free(backup);
				continue;
			}
			free(backup);
			/*
			 * When the source and dest are both hard links to the same
			 * inode, a rename may succeed even though nothing happened.
			 * Therefore, always unlink().
			 */
			unlink(src);
		} else if (flag & LN_FORCE) {
			unlink(src);
		}

		link_func = link;
		if (flag & LN_SYMLINK) {
			link_func = symlink;
		}

		if (link_func(*argv, src) != 0) {
			bb_perror_msg("%s", src);
			status = EXIT_FAILURE;
		}

		free(src_name);

	} while ((++argv)[1]);

	return status;
}
Exemplo n.º 5
0
extern int mv_main(int argc, char **argv)
{
	struct stat source_stat;
	struct stat dest_stat;
	const char *last;
	const char *dest;
	int dest_exists;
	int source_exists;
	unsigned long flags;
	int status = 0;

	bb_applet_long_options = mv_long_options;
	bb_opt_complementaly = "f-i:i-f";
	flags = bb_getopt_ulflags(argc, argv, mv_getopt_short_option);

	if (optind + 2 > argc)
		bb_show_usage();

	last = argv[argc - 1];
	argv += optind;

	if (optind + 2 == argc) {
		if ((dest_exists = cp_mv_stat(last, &dest_stat)) < 0) {
			return 1;
		}

		if (!(dest_exists & 2)) {
			dest = last;
			goto DO_MOVE;
		}
	}
	
	do {
		dest = concat_path_file(last, bb_get_last_path_component(*argv));

		if ((dest_exists = cp_mv_stat(dest, &dest_stat)) < 0) {
			goto RET_1;
		}

	DO_MOVE:
		
		if (dest_exists && !(flags & OPT_FILEUTILS_FORCE) &&
			((access(dest, W_OK) < 0 && isatty(0)) ||
			 (flags & OPT_FILEUTILS_INTERACTIVE))) {
				 if (fprintf(stderr, "mv: overwrite `%s'? ", dest) < 0) {
					 goto RET_1;	/* Ouch! fprintf failed! */
				 }
				 if (!bb_ask_confirmation())
					 goto RET_0;
		 }
		
		if (rename(*argv, dest) < 0) {
			if (errno != EXDEV) {
				bb_perror_msg("unable to rename `%s'", *argv);
			} else if ((source_exists = cp_mv_stat(*argv, &source_stat)) >= 0) {
				if (dest_exists) {
					if (dest_exists & 2) {
						if (!(source_exists & 2)) {
							bb_error_msg(fmt, "", "non-");
							goto RET_1;
						}
					} else {
						if (source_exists & 2) {
							bb_error_msg(fmt, "non-", "");
							goto RET_1;
						}
					}
					if (unlink(dest) < 0) {
						bb_perror_msg("cannot remove `%s'", dest);
						goto RET_1;
					}
				}
				
				if ((copy_file(*argv, dest,
							   FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS) >= 0)
					&& (remove_file(*argv, FILEUTILS_RECUR | FILEUTILS_FORCE) >= 0)
					) {
					goto RET_0;
				}
				
			}
		RET_1:
			status = 1;
		}

	RET_0:
		if (dest != last) {
			free((void *) dest);
		}
		
	} while (*++argv != last);
	
	exit(status);
}
Exemplo n.º 6
0
static int ftp_recieve(FILE *control_stream, const char *host, const char *local_path, char *server_path)
{
	char *filename;
	char *local_file;
	char buf[512];
	off_t filesize = 0;
	int fd_data;
	int fd_local;
	off_t beg_range = 0;

	filename = bb_get_last_path_component(server_path);
	local_file = concat_path_file(local_path, filename);

	/* Connect to the data socket */
	if (ftpcmd("PASV", NULL, control_stream, buf) != 227) {
		bb_error_msg_and_die("PASV error: %s", buf + 4);
	}
	fd_data = xconnect_ftpdata(host, buf);

	if (ftpcmd("SIZE ", server_path, control_stream, buf) == 213) {
		filesize = atol(buf + 4);
	}

	if (do_continue) {
		struct stat sbuf;
		if (lstat(local_file, &sbuf) < 0) {
			bb_perror_msg_and_die("fstat()");
		}
		if (sbuf.st_size > 0) {
			beg_range = sbuf.st_size;
		} else {
			do_continue = 0;
		}
	}

	if (do_continue) {
		sprintf(buf, "REST %ld", (long)beg_range);
		if (ftpcmd(buf, NULL, control_stream, buf) != 350) {
			do_continue = 0;
		} else {
			filesize -= beg_range;
		}
	}

	if (ftpcmd("RETR ", server_path, control_stream, buf) > 150) {
		bb_error_msg_and_die("RETR error: %s", buf + 4);
	}

	/* only make a local file if we know that one exists on the remote server */
	if (do_continue) {
		fd_local = bb_xopen(local_file, O_APPEND | O_WRONLY);
	} else {
		fd_local = bb_xopen(local_file, O_CREAT | O_TRUNC | O_WRONLY);
	}

	/* Copy the file */
	if (bb_copyfd(fd_data, fd_local, filesize) == -1) {
		exit(EXIT_FAILURE);
	}

	/* close it all down */
	close(fd_data);
	if (ftpcmd(NULL, NULL, control_stream, buf) != 226) {
		bb_error_msg_and_die("ftp error: %s", buf + 4);
	}
	ftpcmd("QUIT", NULL, control_stream, buf);
	
	return(EXIT_SUCCESS);
}
Exemplo n.º 7
0
int mv_main(int argc, char **argv)
{
	struct stat dest_stat;
	const char *last;
	const char *dest;
	unsigned long flags;
	int dest_exists;
	int status = 0;
	int copy_flag = 0;

#if ENABLE_FEATURE_MV_LONG_OPTIONS
	applet_long_options = mv_longopts;
#endif
	opt_complementary = "f-i:i-f";
	flags = getopt32(argv, "fi");
	if (optind + 2 > argc) {
		bb_show_usage();
	}

	last = argv[argc - 1];
	argv += optind;

	if (optind + 2 == argc) {
		dest_exists = cp_mv_stat(last, &dest_stat);
		if (dest_exists < 0) {
			return 1;
		}

		if (!(dest_exists & 2)) {
			dest = last;
			goto DO_MOVE;
		}
	}

	do {
		dest = concat_path_file(last, bb_get_last_path_component(*argv));
		dest_exists = cp_mv_stat(dest, &dest_stat);
		if (dest_exists < 0) {
			goto RET_1;
		}

DO_MOVE:

		if (dest_exists && !(flags & OPT_FILEUTILS_FORCE) &&
			((access(dest, W_OK) < 0 && isatty(0)) ||
			(flags & OPT_FILEUTILS_INTERACTIVE))) {
			if (fprintf(stderr, "mv: overwrite '%s'? ", dest) < 0) {
				goto RET_1;	/* Ouch! fprintf failed! */
			}
			if (!bb_ask_confirmation()) {
				goto RET_0;
			}
		}
		if (rename(*argv, dest) < 0) {
			struct stat source_stat;
			int source_exists;

			if (errno != EXDEV ||
				(source_exists = cp_mv_stat(*argv, &source_stat)) < 1) {
				bb_perror_msg("cannot rename '%s'", *argv);
			} else {
				if (dest_exists) {
					if (dest_exists == 3) {
						if (source_exists != 3) {
							bb_error_msg(fmt, "", "non-");
							goto RET_1;
						}
					} else {
						if (source_exists == 3) {
							bb_error_msg(fmt, "non-", "");
							goto RET_1;
						}
					}
					if (unlink(dest) < 0) {
						bb_perror_msg("cannot remove '%s'", dest);
						goto RET_1;
					}
				}
				copy_flag = FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS;
#if ENABLE_SELINUX
				copy_flag |= FILEUTILS_PRESERVE_SECURITY_CONTEXT;
#endif
				if ((copy_file(*argv, dest, copy_flag) >= 0) &&
					(remove_file(*argv, FILEUTILS_RECUR | FILEUTILS_FORCE) >= 0)) {
					goto RET_0;
				}
			}
RET_1:
			status = 1;
		}
RET_0:
		if (dest != last) {
			free((void *) dest);
		}
	} while (*++argv != last);

	return status;
}