sys/kern/vfs_mount.c

155 vfs_freeopt(struct vfsoptlist *opts, struct vfsopt *opt)
158 	TAILQ_REMOVE(opts, opt, link);
159 	free(opt->name, M_MOUNT);
160 	if (opt->value != NULL)
161 		free(opt->value, M_MOUNT);
162 	free(opt, M_MOUNT);
169 	struct vfsopt *opt;
172 		opt = TAILQ_FIRST(opts);
173 		vfs_freeopt(opts, opt);
181 	struct vfsopt *opt, *temp;
185 	TAILQ_FOREACH_SAFE(opt, opts, link, temp)  {
186 		if (strcmp(opt->name, name) == 0)
187 			vfs_freeopt(opts, opt);
192 vfs_isopt_ro(const char *opt)
195 	if (strcmp(opt, "ro") == 0 || strcmp(opt, "rdonly") == 0 ||
196 	    strcmp(opt, "norw") == 0)
202 vfs_isopt_rw(const char *opt)
205 	if (strcmp(opt, "rw") == 0 || strcmp(opt, "noro") == 0)
218 	/* "opt" vs. "opt" or "noopt" vs. "noopt" */
221 	/* "noopt" vs. "opt" */
224 	/* "opt" vs. "noopt" */
231 		/* "foo.noopt" vs. "foo.opt" */
234 		/* "foo.opt" vs. "foo.noopt" */
253 	struct vfsopt *opt, *opt2, *tmp;
255 	TAILQ_FOREACH_REVERSE(opt, opts, vfsoptlist, link) {
256 		opt2 = TAILQ_PREV(opt, vfsoptlist, link);
258 			if (vfs_equalopts(opt->name, opt2->name)) {
276 	struct vfsopt *opt;
300 		opt = malloc(sizeof(struct vfsopt), M_MOUNT, M_WAITOK);
301 		opt->name = malloc(namelen, M_MOUNT, M_WAITOK);
302 		opt->value = NULL;
303 		opt->len = 0;
304 		opt->pos = i / 2;
305 		opt->seen = 0;
311 		TAILQ_INSERT_TAIL(opts, opt, link);
314 			bcopy(auio->uio_iov[i].iov_base, opt->name, namelen);
316 			error = copyin(auio->uio_iov[i].iov_base, opt->name,
322 		if (namelen == 0 || opt->name[namelen - 1] != '\0') {
327 			opt->len = optlen;
328 			opt->value = malloc(optlen, M_MOUNT, M_WAITOK);
330 				bcopy(auio->uio_iov[i + 1].iov_base, opt->value,
334 				    opt->value, optlen);
359 	struct vfsopt *opt, *new;
361 	TAILQ_FOREACH(opt, oldopts, link) {
363 		new->name = strdup(opt->name, M_MOUNT);
364 		if (opt->len != 0) {
365 			new->value = malloc(opt->len, M_MOUNT, M_WAITOK);
366 			bcopy(opt->value, new->value, opt->len);
369 		new->len = opt->len;
370 		new->seen = opt->seen;
582 	struct vfsopt *opt, *tmp_opt;
627 	TAILQ_FOREACH_SAFE(opt, optlist, link, tmp_opt) {
628 		if (strcmp(opt->name, "update") == 0) {
630 			vfs_freeopt(optlist, opt);
632 		else if (strcmp(opt->name, "async") == 0)
634 		else if (strcmp(opt->name, "force") == 0) {
636 			vfs_freeopt(optlist, opt);
638 		else if (strcmp(opt->name, "reload") == 0) {
640 			vfs_freeopt(optlist, opt);
642 		else if (strcmp(opt->name, "multilabel") == 0)
644 		else if (strcmp(opt->name, "noasync") == 0)
646 		else if (strcmp(opt->name, "noatime") == 0)
648 		else if (strcmp(opt->name, "atime") == 0) {
649 			free(opt->name, M_MOUNT);
650 			opt->name = strdup("nonoatime", M_MOUNT);
652 		else if (strcmp(opt->name, "noclusterr") == 0)
654 		else if (strcmp(opt->name, "clusterr") == 0) {
655 			free(opt->name, M_MOUNT);
656 			opt->name = strdup("nonoclusterr", M_MOUNT);
658 		else if (strcmp(opt->name, "noclusterw") == 0)
660 		else if (strcmp(opt->name, "clusterw") == 0) {
661 			free(opt->name, M_MOUNT);
662 			opt->name = strdup("nonoclusterw", M_MOUNT);
664 		else if (strcmp(opt->name, "noexec") == 0)
666 		else if (strcmp(opt->name, "exec") == 0) {
667 			free(opt->name, M_MOUNT);
668 			opt->name = strdup("nonoexec", M_MOUNT);
670 		else if (strcmp(opt->name, "nosuid") == 0)
672 		else if (strcmp(opt->name, "suid") == 0) {
673 			free(opt->name, M_MOUNT);
674 			opt->name = strdup("nonosuid", M_MOUNT);
676 		else if (strcmp(opt->name, "nosymfollow") == 0)
678 		else if (strcmp(opt->name, "symfollow") == 0) {
679 			free(opt->name, M_MOUNT);
680 			opt->name = strdup("nonosymfollow", M_MOUNT);
682 		else if (strcmp(opt->name, "noro") == 0) {
686 		else if (strcmp(opt->name, "rw") == 0) {
690 		else if (strcmp(opt->name, "ro") == 0) {
694 		else if (strcmp(opt->name, "rdonly") == 0) {
695 			free(opt->name, M_MOUNT);
696 			opt->name = strdup("ro", M_MOUNT);
700 		else if (strcmp(opt->name, "autoro") == 0) {
701 			vfs_freeopt(optlist, opt);
704 		else if (strcmp(opt->name, "suiddir") == 0)
706 		else if (strcmp(opt->name, "sync") == 0)
708 		else if (strcmp(opt->name, "union") == 0)
710 		else if (strcmp(opt->name, "automounted") == 0) {
712 			vfs_freeopt(optlist, opt);
1536 	struct vfsopt *opt;
1541 	TAILQ_FOREACH(opt, opts, link) {
1542 		p = opt->name;
1571 		TAILQ_FOREACH(opt, opts, link) {
1572 			if (strcmp(opt->name, "errmsg") == 0) {
1573 				strncpy((char *)opt->value, errmsg, opt->len);
1577 		if (opt == NULL)
1594 	struct vfsopt *opt;
1598 	TAILQ_FOREACH(opt, opts, link) {
1599 		if (strcmp(name, opt->name) == 0) {
1600 			opt->seen = 1;
1602 				*len = opt->len;
1604 				*buf = opt->value;
1614 	struct vfsopt *opt;
1619 	TAILQ_FOREACH(opt, opts, link) {
1620 		if (strcmp(name, opt->name) == 0) {
1621 			opt->seen = 1;
1622 			return (opt->pos);
1672 	struct vfsopt *opt;
1675 	TAILQ_FOREACH(opt, opts, link) {
1676 		if (strcmp(name, opt->name) != 0)
1678 		opt->seen = 1;
1679 		if (opt->len == 0 ||
1680 		    ((char *)opt->value)[opt->len - 1] != '\0') {
1684 		return (opt->value);
1694 	struct vfsopt *opt;
1696 	TAILQ_FOREACH(opt, opts, link) {
1697 		if (strcmp(name, opt->name) == 0) {
1698 			opt->seen = 1;
1713 	struct vfsopt *opt;
1718 	TAILQ_FOREACH(opt, opts, link) {
1719 		if (strcmp(name, opt->name) != 0)
1721 		opt->seen = 1;
1722 		if (opt->len == 0 || opt->value == NULL)
1724 		if (((char *)opt->value)[opt->len - 1] != '\0')
1727 		ret = vsscanf(opt->value, fmt, ap);
1737 	struct vfsopt *opt;
1739 	TAILQ_FOREACH(opt, opts, link) {
1740 		if (strcmp(name, opt->name) != 0)
1742 		opt->seen = 1;
1743 		if (opt->value == NULL)
1744 			opt->len = len;
1746 			if (opt->len != len)
1748 			bcopy(value, opt->value, len);
1758 	struct vfsopt *opt;
1760 	TAILQ_FOREACH(opt, opts, link) {
1761 		if (strcmp(name, opt->name) != 0)
1763 		opt->seen = 1;
1764 		if (opt->value == NULL)
1765 			opt->len = len;
1767 			if (opt->len < len)
1769 			opt->len = len;
1770 			bcopy(value, opt->value, len);
1780 	struct vfsopt *opt;
1782 	TAILQ_FOREACH(opt, opts, link) {
1783 		if (strcmp(name, opt->name) != 0)
1785 		opt->seen = 1;
1786 		if (opt->value == NULL)
1787 			opt->len = strlen(value) + 1;
1788 		else if (strlcpy(opt->value, value, opt->len) >= opt->len)
1806 	struct vfsopt *opt;
1810 	TAILQ_FOREACH(opt, opts, link) {
1811 		if (strcmp(name, opt->name) == 0) {
1812 			opt->seen = 1;
1813 			if (len != opt->len)
1815 			bcopy(opt->value, dest, opt->len);