#include <libubox/vlist.h>
#include <libubox/blobmsg_json.h>
#include <libubox/avl-cmp.h>
+#include <libubus.h>
#include "probe.h"
+#define AUTOFS_MOUNT_PATH "/tmp/run/blockd/"
+
#ifdef UBIFS_EXTROOT
#include "libubi/libubi.h"
#endif
TYPE_SWAP,
};
+enum {
+ TYPE_DEV,
+ TYPE_HOTPLUG,
+ TYPE_AUTOFS,
+};
+
struct mount {
struct vlist_node node;
int type;
char *label;
char *device;
int extroot;
+ int autofs;
int overlay;
int disabled_fsck;
unsigned int prio;
MOUNT_TARGET,
MOUNT_DEVICE,
MOUNT_OPTIONS,
+ MOUNT_AUTOFS,
__MOUNT_MAX
};
[MOUNT_TARGET] = { .name = "target", .type = BLOBMSG_TYPE_STRING },
[MOUNT_OPTIONS] = { .name = "options", .type = BLOBMSG_TYPE_STRING },
[MOUNT_ENABLE] = { .name = "enabled", .type = BLOBMSG_TYPE_INT32 },
+ [MOUNT_AUTOFS] = { .name = "autofs", .type = BLOBMSG_TYPE_INT32 },
};
static const struct uci_blob_param_list mount_attr_list = {
struct blob_attr *tb[__MOUNT_MAX] = { 0 };
struct mount *m;
- blob_buf_init(&b, 0);
+ blob_buf_init(&b, 0);
uci_to_blob(&b, s, &mount_attr_list);
blobmsg_parse(mount_policy, __MOUNT_MAX, tb, blob_data(b.head), blob_len(b.head));
m->label = blobmsg_get_strdup(tb[MOUNT_LABEL]);
m->target = blobmsg_get_strdup(tb[MOUNT_TARGET]);
m->device = blobmsg_get_basename(tb[MOUNT_DEVICE]);
-
+ if (tb[MOUNT_AUTOFS])
+ m->autofs = blobmsg_get_u32(tb[MOUNT_AUTOFS]);
+ else
+ m->autofs = 0;
parse_mount_options(m, blobmsg_get_strdup(tb[MOUNT_OPTIONS]));
m->overlay = m->extroot = 0;
return err;
}
-static int mount_device(struct probe_info *pr, int hotplug)
+static void blockd_notify(char *device, struct mount *m, struct probe_info *pr)
+{
+ struct ubus_context *ctx = ubus_connect(NULL);
+ uint32_t id;
+
+ if (!ctx)
+ return;
+
+ if (!ubus_lookup_id(ctx, "block", &id)) {
+ struct blob_buf buf = { 0 };
+ char *d = strrchr(device, '/');
+
+ if (d)
+ d++;
+ else
+ d = device;
+
+ blob_buf_init(&buf, 0);
+
+ if (m) {
+
+ blobmsg_add_string(&buf, "device", d);
+ if (m->uuid)
+ blobmsg_add_string(&buf, "uuid", m->uuid);
+ if (m->label)
+ blobmsg_add_string(&buf, "label", m->label);
+ if (m->target)
+ blobmsg_add_string(&buf, "target", m->target);
+ if (m->options)
+ blobmsg_add_string(&buf, "options", m->options);
+ if (m->autofs)
+ blobmsg_add_u32(&buf, "autofs", m->autofs);
+ if (pr->type)
+ blobmsg_add_string(&buf, "type", pr->type);
+ if (pr->version)
+ blobmsg_add_string(&buf, "version", pr->version);
+ } else if (pr) {
+ blobmsg_add_string(&buf, "device", d);
+ if (pr->uuid)
+ blobmsg_add_string(&buf, "uuid", pr->uuid);
+ if (pr->label)
+ blobmsg_add_string(&buf, "label", pr->label);
+ if (pr->type)
+ blobmsg_add_string(&buf, "type", pr->type);
+ if (pr->version)
+ blobmsg_add_string(&buf, "version", pr->version);
+ blobmsg_add_u32(&buf, "anon", 1);
+ } else {
+ blobmsg_add_string(&buf, "device", d);
+ blobmsg_add_u32(&buf, "remove", 1);
+ }
+
+ ubus_invoke(ctx, id, "hotplug", buf.head, NULL, NULL, 3000);
+ }
+
+ ubus_free(ctx);
+}
+
+static int mount_device(struct probe_info *pr, int type)
{
struct mount *m;
char *device;
device = basename(pr->dev);
if (!strcmp(pr->type, "swap")) {
- if (hotplug && !auto_swap)
+ if ((type == TYPE_HOTPLUG) && !auto_swap)
return -1;
m = find_swap(pr->uuid, pr->label, device);
if (m || anon_swap)
return 0;
}
- if (hotplug && !auto_mount)
- return -1;
-
mp = find_mount_point(pr->dev);
- if (mp) {
+ if (mp && (type != TYPE_HOTPLUG)) {
ULOG_ERR("%s is already mounted on %s\n", pr->dev, mp);
free(mp);
return -1;
if (m && m->extroot)
return -1;
+ if (m) switch (type) {
+ case TYPE_HOTPLUG:
+ blockd_notify(device, m, pr);
+ if (m->autofs)
+ return 0;
+ if (!auto_mount)
+ return -1;
+ break;
+ case TYPE_AUTOFS:
+ if (!m->autofs)
+ return -1;
+ break;
+ case TYPE_DEV:
+ if (m->autofs)
+ return -1;
+ break;
+ } else if (type == TYPE_HOTPLUG) {
+ blockd_notify(device, NULL, pr);
+ }
+
if (m) {
char *target = m->target;
char _target[32];
int err = 0;
+ if (m->autofs) {
+ snprintf(_target, sizeof(_target), "/tmp/run/blockd/%s", device);
+ target = _target;
+ }
if (!target) {
snprintf(_target, sizeof(_target), "/mnt/%s", device);
target = _target;
return err;
}
-static int main_hotplug(int argc, char **argv)
+static int mount_action(char *action, char *device, int type)
{
char path[32];
- char *action, *device, *mount_point;
-
- action = getenv("ACTION");
- device = getenv("DEVNAME");
+ char *mount_point;
if (!action || !device)
return -1;
if (!strcmp(action, "remove")) {
int err = 0;
+
+ if (type == TYPE_HOTPLUG)
+ blockd_notify(device, NULL, NULL);
+
mount_point = find_mount_point(path);
if (mount_point)
err = umount2(mount_point, MNT_DETACH);
return -1;
cache_load(0);
- return mount_device(find_block_info(NULL, NULL, path), 1);
+ return mount_device(find_block_info(NULL, NULL, path), type);
+}
+
+static int main_hotplug(int argc, char **argv)
+{
+ return mount_action(getenv("ACTION"), getenv("DEVNAME"), TYPE_HOTPLUG);
+}
+
+static int main_autofs(int argc, char **argv)
+{
+ if (argc < 3)
+ return -1;
+
+ if (!strcmp(argv[2], "start")) {
+ struct probe_info *pr;
+
+ if (config_load(NULL))
+ return -1;
+
+ cache_load(0);
+ list_for_each_entry(pr, &devices, list) {
+ struct mount *m = find_block(pr->uuid, pr->label, NULL, NULL);
+
+ if (m && m->autofs)
+ mount_device(pr, TYPE_HOTPLUG);
+ else
+ blockd_notify(pr->dev, m, pr);
+ }
+ return 0;
+ }
+ return mount_action(argv[2], argv[3], TYPE_AUTOFS);
}
static int find_block_mtd(char *name, char *part, int plen)
cache_load(1);
list_for_each_entry(pr, &devices, list)
- mount_device(pr, 0);
+ mount_device(pr, TYPE_DEV);
handle_swapfiles(true);
if (!strcmp(argv[1], "hotplug"))
return main_hotplug(argc, argv);
+ if (!strcmp(argv[1], "autofs"))
+ return main_autofs(argc, argv);
+
if (!strcmp(argv[1], "extroot"))
return main_extroot(argc, argv);