usr.bin/xinstall/xinstall.c

150 	const char *to_name;
338 	to_name = argv[argc - 1];
339 	no_target = stat(to_name, &to_sb);
342 			if (lstat(to_name, &to_sb) != 0)
343 				err(EX_OSERR, "%s vanished", to_name);
347 					err(EX_USAGE, "%s", to_name);
349 				install(*argv, to_name, fset, iflags);
353 		for (; *argv != to_name; ++argv)
354 			install(*argv, to_name, fset, iflags | DIRECTORY);
375 			err(EX_OSERR, "%s", to_name);
380 			    "%s and %s are the same file", *argv, to_name);
382 	install(*argv, to_name, fset, iflags);
516 do_link(const char *from_name, const char *to_name,
523 		(void)snprintf(tmpl, sizeof(tmpl), "%s.inst.XXXXXX", to_name);
529 			if (target_sb->st_mode & S_IFDIR && rmdir(to_name) ==
532 				err(EX_OSERR, "%s", to_name);
535 				(void)chflags(to_name, target_sb->st_flags &
539 				    from_name, to_name);
540 			ret = rename(tmpl, to_name);
543 			 * file may still exist when from_name and to_name point
552 			    from_name, to_name);
553 		return (link(from_name, to_name));
562 do_symlink(const char *from_name, const char *to_name,
568 		(void)snprintf(tmpl, sizeof(tmpl), "%s.inst.XXXXXX", to_name);
576 		if (target_sb->st_mode & S_IFDIR && rmdir(to_name) == -1) {
578 			err(EX_OSERR, "%s", to_name);
581 			(void)chflags(to_name, target_sb->st_flags &
585 			    from_name, to_name);
586 		if (rename(tmpl, to_name) == -1) {
589 			err(EX_OSERR, "%s: rename", to_name);
594 			    from_name, to_name);
595 		if (symlink(from_name, to_name) == -1)
596 			err(EX_OSERR, "symlink %s -> %s", from_name, to_name);
605 makelink(const char *from_name, const char *to_name,
613 		if (do_link(from_name, to_name, target_sb) == -1) {
615 				err(EX_OSERR, "link %s -> %s", from_name, to_name);
617 			if (stat(to_name, &to_sb))
618 				err(EX_OSERR, "%s: stat", to_name);
646 				metadata_log(to_name, "file", NULL, NULL,
663 		do_symlink(src, to_name, target_sb);
665 		metadata_log(to_name, "link", NULL, src, NULL, 0);
674 			do_symlink(from_name, to_name, target_sb);
676 			metadata_log(to_name, "link", NULL, from_name, NULL, 0);
685 		 * The last component of to_name may be a symlink,
688 		cp = dirname(to_name);
696 		cp = basename(to_name);
713 		do_symlink(lnk, to_name, target_sb);
715 		metadata_log(to_name, "link", NULL, lnk, NULL, 0);
723 	do_symlink(from_name, to_name, target_sb);
725 	metadata_log(to_name, "link", NULL, from_name, NULL, 0);
733 install(const char *from_name, const char *to_name, u_long fset, u_int flags)
759 			    to_name,
761 			to_name = pathbuf;
768 	target = (lstat(to_name, &to_sb) == 0);
772 			if (to_sb.st_mode & S_IFDIR && rmdir(to_name) == -1)
773 				err(EX_OSERR, "%s", to_name);
775 				(void)chflags(to_name,
777 			unlink(to_name);
779 		makelink(from_name, to_name, target ? &to_sb : NULL);
785 		warn("%s", to_name);
797 		if ((to_fd = open(to_name, O_RDONLY, 0)) < 0)
798 			err(EX_OSERR, "%s", to_name);
804 			    to_name, (size_t)to_sb.st_size, &digestresult));
813 			to_fd = create_tempfile(to_name, tempfile,
818 			if ((to_fd = create_newfile(to_name, target,
820 				err(EX_OSERR, "%s", to_name);
823 				    from_name, to_name);
827 			     tempcopy ? tempfile : to_name, from_sb.st_size);
833 		strip(tempcopy ? tempfile : to_name);
840 		to_fd = open(tempcopy ? tempfile : to_name, O_RDONLY, 0);
842 			err(EX_OSERR, "stripping %s", to_name);
852 		if ((to_fd = open(to_name, O_RDONLY, 0)) < 0)
853 			err(EX_OSERR, "%s", to_name);
863 			    to_name, (size_t)to_sb.st_size, &digestresult)
890 			(void)chflags(to_name, to_sb.st_flags & ~NOCHANGEBITS);
892 			if ((size_t)snprintf(backup, MAXPATHLEN, "%s%s", to_name,
893 			    suffix) != strlen(to_name) + strlen(suffix)) {
896 				    to_name);
899 				(void)printf("install: %s -> %s\n", to_name, backup);
903 					(void)chflags(to_name, to_sb.st_flags);
908 			if (link(to_name, backup) < 0) {
912 					(void)chflags(to_name, to_sb.st_flags);
914 				err(EX_OSERR, "link: %s to %s", to_name,
919 			(void)printf("install: %s -> %s\n", from_name, to_name);
920 		if (rename(tempfile, to_name) < 0) {
925 			    tempfile, to_name);
930 		if ((to_fd = open(to_name, O_RDONLY, 0)) < 0)
931 			err(EX_OSERR, "%s", to_name);
940 		(void)utimensat(AT_FDCWD, to_name, tsb, 0);
945 		(void)unlink(to_name);
947 		err(EX_OSERR, "%s", to_name);
967 			(void)unlink(to_name);
969 			err(EX_OSERR,"%s: chown/chgrp", to_name);
976 			(void)unlink(to_name);
978 			err(EX_OSERR, "%s: chmod", to_name);
995 				warn("%s: chflags", to_name);
998 				(void)unlink(to_name);
1000 				err(EX_OSERR, "%s: chflags", to_name);
1009 	metadata_log(to_name, "file", tsb, NULL, digestresult, to_sb.st_size);
1019 	int to_fd, const char *to_name __unused, size_t to_len,
1171 copy(int from_fd, const char *from_name, int to_fd, const char *to_name,
1185 		err(EX_OSERR, "lseek: %s", to_name);
1201 			(void)unlink(to_name);
1205 				    to_name, (uintmax_t)nw, (uintmax_t)size);
1208 				err(EX_OSERR, "%s", to_name);
1219 				(void)unlink(to_name);
1223 					    to_name, (uintmax_t)nw,
1227 					err(EX_OSERR, "%s", to_name);
1234 			(void)unlink(to_name);
1247 strip(const char *to_name)
1258 	args[1] = to_name;
1263 		(void)unlink(to_name);
1269 		(void)unlink(to_name);
1274 		(void)unlink(to_name);
1276 		    stripbin, to_name);