bin/pax/file_subs.c

19  * 3. Neither the name of the University nor the names of its contributors
79 	 * file and a character device or fifo exists with the same name, we
87 	if ((fd = open(arcn->name, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL,
96 	if (unlnk_exist(arcn->name, arcn->type) != 0)
105 		if ((fd = open(arcn->name, O_WRONLY | O_CREAT | O_TRUNC,
109 		if (nodirs || chk_path(arcn->name,arcn->sb.st_uid,arcn->sb.st_gid) < 0) {
110 			syswarn(1, oerrno, "Unable to create %s", arcn->name);
134 		    arcn->name);
142 		res = set_ids(arcn->name, arcn->sb.st_uid, arcn->sb.st_gid);
152 		set_pmode(arcn->name, arcn->sb.st_mode);
154 		set_ftime(arcn->name, arcn->sb.st_mtime, arcn->sb.st_atime, 0);
159  *	Create a hard link to arcn->ln_name from arcn->name. arcn->ln_name
176 		    arcn->name);
186 	return(mk_link(arcn->ln_name, &sb, arcn->name, 0));
191  *	Create a hard link to arcn->org_name from arcn->name. Only used in copy
209 	return(mk_link(arcn->org_name, &(arcn->sb), arcn->name, 1));
232 	if (lstat(arcn->name, &sb) < 0)
242 		    arcn->name);
354 			res = mkdir(arcn->name, file_mode);
360 			res = mknod(arcn->name, file_mode, arcn->sb.st_rdev);
364 			res = mknod(arcn->name, file_mode, arcn->sb.st_rdev);
367 			res = mkfifo(arcn->name, file_mode);
375 			    arcn->name);
378 			res = symlink(arcn->ln_name, arcn->name);
389 				arcn->name);
405 		if ((ign = unlnk_exist(arcn->name, arcn->type)) < 0)
411 		if (nodirs || chk_path(arcn->name,arcn->sb.st_uid,arcn->sb.st_gid) < 0) {
412 			syswarn(1, oerrno, "Could not create: %s", arcn->name);
421 		res = set_ids(arcn->name, arcn->sb.st_uid, arcn->sb.st_gid);
433 		set_pmode(arcn->name, arcn->sb.st_mode);
445 		if (access(arcn->name, R_OK | W_OK | X_OK) < 0) {
446 			if (lstat(arcn->name, &sb) < 0) {
448 				    arcn->name);
449 				set_pmode(arcn->name,file_mode | S_IRWXU);
457 				set_pmode(arcn->name,
467 			add_dir(arcn->name, arcn->nlen, &(arcn->sb), 1);
469 			add_dir(arcn->name, arcn->nlen, &(arcn->sb), 0);
473 		set_ftime(arcn->name, arcn->sb.st_mtime, arcn->sb.st_atime, 0);
479  *	Remove node from file system with the specified name. We pass the type
484  *	0 is ok to proceed, no file with the specified name exists
490 unlnk_exist(char *name, int type)
497 	if (lstat(name, &sb) < 0)
507 		if (rmdir(name) < 0) {
510 			syswarn(1,errno,"Unable to remove directory %s", name);
519 	if (unlink(name) < 0) {
520 		syswarn(1, errno, "Could not unlink %s", name);
541 chk_path( char *name, uid_t st_uid, gid_t st_gid)
543 	char *spt = name;
571 		if (lstat(name, &sb) == 0) {
580 		if (mkdir(name, S_IRWXU | S_IRWXG | S_IRWXO) < 0) {
593 			(void)set_ids(name, st_uid, st_gid);
601 		if ((access(name, R_OK | W_OK | X_OK) < 0) &&
602 		    (lstat(name, &sb) == 0)) {
603 			set_pmode(name, ((sb.st_mode & FILEBITS) | S_IRWXU));
604 			add_dir(name, spt - name, &sb, 1);
743 	char *name)
791 					    name);
807 			syswarn(1, errno, "Failed write to file %s", name);