sys/kern/vfs_mount.c

165 vfs_freeopt(struct vfsoptlist *opts, struct vfsopt *opt)
168 	TAILQ_REMOVE(opts, opt, link);
169 	free(opt->name, M_MOUNT);
170 	if (opt->value != NULL)
171 		free(opt->value, M_MOUNT);
172 	free(opt, M_MOUNT);
179 	struct vfsopt *opt;
182 		opt = TAILQ_FIRST(opts);
183 		vfs_freeopt(opts, opt);
191 	struct vfsopt *opt, *temp;
195 	TAILQ_FOREACH_SAFE(opt, opts, link, temp)  {
196 		if (strcmp(opt->name, name) == 0)
197 			vfs_freeopt(opts, opt);
202 vfs_isopt_ro(const char *opt)
205 	if (strcmp(opt, "ro") == 0 || strcmp(opt, "rdonly") == 0 ||
206 	    strcmp(opt, "norw") == 0)
212 vfs_isopt_rw(const char *opt)
215 	if (strcmp(opt, "rw") == 0 || strcmp(opt, "noro") == 0)
228 	/* "opt" vs. "opt" or "noopt" vs. "noopt" */
231 	/* "noopt" vs. "opt" */
234 	/* "opt" vs. "noopt" */
241 		/* "foo.noopt" vs. "foo.opt" */
244 		/* "foo.opt" vs. "foo.noopt" */
263 	struct vfsopt *opt, *opt2, *tmp;
265 	TAILQ_FOREACH_REVERSE(opt, opts, vfsoptlist, link) {
266 		opt2 = TAILQ_PREV(opt, vfsoptlist, link);
268 			if (vfs_equalopts(opt->name, opt2->name)) {
286 	struct vfsopt *opt;
310 		opt = malloc(sizeof(struct vfsopt), M_MOUNT, M_WAITOK);
311 		opt->name = malloc(namelen, M_MOUNT, M_WAITOK);
312 		opt->value = NULL;
313 		opt->len = 0;
314 		opt->pos = i / 2;
315 		opt->seen = 0;
321 		TAILQ_INSERT_TAIL(opts, opt, link);
324 			bcopy(auio->uio_iov[i].iov_base, opt->name, namelen);
326 			error = copyin(auio->uio_iov[i].iov_base, opt->name,
332 		if (namelen == 0 || opt->name[namelen - 1] != '\0') {
337 			opt->len = optlen;
338 			opt->value = malloc(optlen, M_MOUNT, M_WAITOK);
340 				bcopy(auio->uio_iov[i + 1].iov_base, opt->value,
344 				    opt->value, optlen);
369 	struct vfsopt *opt, *new;
371 	TAILQ_FOREACH(opt, oldopts, link) {
373 		new->name = strdup(opt->name, M_MOUNT);
374 		if (opt->len != 0) {
375 			new->value = malloc(opt->len, M_MOUNT, M_WAITOK);
376 			bcopy(opt->value, new->value, opt->len);
379 		new->len = opt->len;
380 		new->seen = opt->seen;
665 	struct vfsopt *opt, *tmp_opt;
710 	TAILQ_FOREACH_SAFE(opt, optlist, link, tmp_opt) {
713 		if (strcmp(opt->name, "update") == 0) {
717 		else if (strcmp(opt->name, "async") == 0)
719 		else if (strcmp(opt->name, "force") == 0) {
723 		else if (strcmp(opt->name, "reload") == 0) {
727 		else if (strcmp(opt->name, "multilabel") == 0)
729 		else if (strcmp(opt->name, "noasync") == 0)
731 		else if (strcmp(opt->name, "noatime") == 0)
733 		else if (strcmp(opt->name, "atime") == 0) {
734 			free(opt->name, M_MOUNT);
735 			opt->name = strdup("nonoatime", M_MOUNT);
737 		else if (strcmp(opt->name, "noclusterr") == 0)
739 		else if (strcmp(opt->name, "clusterr") == 0) {
740 			free(opt->name, M_MOUNT);
741 			opt->name = strdup("nonoclusterr", M_MOUNT);
743 		else if (strcmp(opt->name, "noclusterw") == 0)
745 		else if (strcmp(opt->name, "clusterw") == 0) {
746 			free(opt->name, M_MOUNT);
747 			opt->name = strdup("nonoclusterw", M_MOUNT);
749 		else if (strcmp(opt->name, "noexec") == 0)
751 		else if (strcmp(opt->name, "exec") == 0) {
752 			free(opt->name, M_MOUNT);
753 			opt->name = strdup("nonoexec", M_MOUNT);
755 		else if (strcmp(opt->name, "nosuid") == 0)
757 		else if (strcmp(opt->name, "suid") == 0) {
758 			free(opt->name, M_MOUNT);
759 			opt->name = strdup("nonosuid", M_MOUNT);
761 		else if (strcmp(opt->name, "nosymfollow") == 0)
763 		else if (strcmp(opt->name, "symfollow") == 0) {
764 			free(opt->name, M_MOUNT);
765 			opt->name = strdup("nonosymfollow", M_MOUNT);
767 		else if (strcmp(opt->name, "noro") == 0) {
771 		else if (strcmp(opt->name, "rw") == 0) {
775 		else if (strcmp(opt->name, "ro") == 0) {
779 		else if (strcmp(opt->name, "rdonly") == 0) {
780 			free(opt->name, M_MOUNT);
781 			opt->name = strdup("ro", M_MOUNT);
785 		else if (strcmp(opt->name, "autoro") == 0) {
789 		else if (strcmp(opt->name, "suiddir") == 0)
791 		else if (strcmp(opt->name, "sync") == 0)
793 		else if (strcmp(opt->name, "union") == 0)
795 		else if (strcmp(opt->name, "automounted") == 0) {
798 		} else if (strcmp(opt->name, "nocover") == 0) {
801 		} else if (strcmp(opt->name, "cover") == 0) {
804 		} else if (strcmp(opt->name, "emptydir") == 0) {
807 		} else if (strcmp(opt->name, "noemptydir") == 0) {
812 			vfs_freeopt(optlist, opt);
1994 	struct vfsopt *opt;
1999 	TAILQ_FOREACH(opt, opts, link) {
2000 		p = opt->name;
2029 		TAILQ_FOREACH(opt, opts, link) {
2030 			if (strcmp(opt->name, "errmsg") == 0) {
2031 				strncpy((char *)opt->value, errmsg, opt->len);
2035 		if (opt == NULL)
2052 	struct vfsopt *opt;
2056 	TAILQ_FOREACH(opt, opts, link) {
2057 		if (strcmp(name, opt->name) == 0) {
2058 			opt->seen = 1;
2060 				*len = opt->len;
2062 				*buf = opt->value;
2072 	struct vfsopt *opt;
2077 	TAILQ_FOREACH(opt, opts, link) {
2078 		if (strcmp(name, opt->name) == 0) {
2079 			opt->seen = 1;
2080 			return (opt->pos);
2130 	struct vfsopt *opt;
2133 	TAILQ_FOREACH(opt, opts, link) {
2134 		if (strcmp(name, opt->name) != 0)
2136 		opt->seen = 1;
2137 		if (opt->len == 0 ||
2138 		    ((char *)opt->value)[opt->len - 1] != '\0') {
2142 		return (opt->value);
2152 	struct vfsopt *opt;
2154 	TAILQ_FOREACH(opt, opts, link) {
2155 		if (strcmp(name, opt->name) == 0) {
2156 			opt->seen = 1;
2171 	struct vfsopt *opt;
2176 	TAILQ_FOREACH(opt, opts, link) {
2177 		if (strcmp(name, opt->name) != 0)
2179 		opt->seen = 1;
2180 		if (opt->len == 0 || opt->value == NULL)
2182 		if (((char *)opt->value)[opt->len - 1] != '\0')
2185 		ret = vsscanf(opt->value, fmt, ap);
2195 	struct vfsopt *opt;
2197 	TAILQ_FOREACH(opt, opts, link) {
2198 		if (strcmp(name, opt->name) != 0)
2200 		opt->seen = 1;
2201 		if (opt->value == NULL)
2202 			opt->len = len;
2204 			if (opt->len != len)
2206 			bcopy(value, opt->value, len);
2216 	struct vfsopt *opt;
2218 	TAILQ_FOREACH(opt, opts, link) {
2219 		if (strcmp(name, opt->name) != 0)
2221 		opt->seen = 1;
2222 		if (opt->value == NULL)
2223 			opt->len = len;
2225 			if (opt->len < len)
2227 			opt->len = len;
2228 			bcopy(value, opt->value, len);
2238 	struct vfsopt *opt;
2240 	TAILQ_FOREACH(opt, opts, link) {
2241 		if (strcmp(name, opt->name) != 0)
2243 		opt->seen = 1;
2244 		if (opt->value == NULL)
2245 			opt->len = strlen(value) + 1;
2246 		else if (strlcpy(opt->value, value, opt->len) >= opt->len)
2264 	struct vfsopt *opt;
2268 	TAILQ_FOREACH(opt, opts, link) {
2269 		if (strcmp(name, opt->name) == 0) {
2270 			opt->seen = 1;
2271 			if (len != opt->len)
2273 			bcopy(opt->value, dest, opt->len);
2522 	struct vfsopt *opt;
2527 	TAILQ_FOREACH(opt, opts, link) {
2528 		if (opt->name[0] == '\0' || (opt->len > 0 && *(char *)opt->value == '\0'))
2530 		devctl_safe_quote_sb(sb, opt->name);
2531 		if (opt->len > 0) {
2533 			devctl_safe_quote_sb(sb, opt->value);
2572 	mount_devctl_event_mntopt(&sb, "opt", mp->mnt_opt);