mount.c

   1 #include <stdio.h>
   2 #include <string.h>
   3 #include <stdlib.h>
   4 #include <unistd.h>
   5 #include <sys/stat.h>
   6 #include <sys/types.h>
   7 #include <fcntl.h>
   8 #include <sys/ioctl.h>
   9 #include <linux/hdreg.h>
  10 #include <scsi/sg.h>
  11 #include <dirent.h>
  12 #include <sys/wait.h>
  13 #include <sys/inotify.h>
  14 #include <sys/stat.h>
  15 #include <sys/types.h>
  16 #include <glob.h>
  17 #include <libgen.h>
  18 #include <poll.h>
  19 #include <dirent.h>
  20 #include <syslog.h>
  21
  22 #include "include/log.h"
  23 #include "include/list.h"
  24 #include "include/sys.h"
  25 #include "include/signal.h"
  26 #include "include/timer.h"
  27 #include "include/autofs.h"
  28 #include "include/ucix.h"
  29 #include "include/fs.h"
  30 #include "include/mount.h"
  31
  32 int mount_new(char *path, char *dev);
  33
  34 static struct list_head mounts;
  35
  36 struct mount {
  37         struct list_head list;
  38         char name[64];
  39         char dev[64];
  40         char serial[64];
  41         char vendor[64];
  42         char model[64];
  43         char rev[64];
  44         int mounted;
  45         int ignore;
  46         char size[64];
  47         char sector_size[64];
  48         int fs;
  49 };
  50
  51 static char *fs_names[] = {
  52         "",
  53         "",
  54         "mbr",
  55         "ext2",
  56         "ext3",
  57         "fat",
  58         "hfsplus",
  59         "",
  60         "ntfs",
  61         "",
  62         "exfat",
  63         "ext4",
  64         "hfsplusjournal"
  65 };
  66
  67 #define MAX_MOUNTED             32
  68 #define MAX_MOUNT_NAME  32
  69
  70 static char mounted[MAX_MOUNTED][3][MAX_MOUNT_NAME];
  71 static int mounted_count = 0;
  72 extern char uci_path[32];
  73
  74 static void mount_dump_uci_state(void)
  75 {
  76         struct uci_context *ctx;
  77         struct list_head *p;
  78         char mountd[] = {"mountd"};
  79         char type[] = {"mountd_disc"};
  80         int mounted = 0;
  81         unsigned long long int size = 0;
  82         unlink("/var/state/mountd");
  83         ctx = ucix_init("mountd");
  84         uci_set_savedir(ctx, "/var/state/");
  85         ucix_add_option_int(ctx, mountd, mountd, "count", list_count(&mounts));
  86         list_for_each(p, &mounts)
  87         {
  88                 struct mount *q = container_of(p, struct mount, list);
  89                 char t[64];
  90                 if(q->fs == EXTENDED)
  91                         continue;
  92                 ucix_add_section(ctx, mountd, q->serial, type);
  93                 strcpy(t, q->dev);
  94                 t[3] = '\0';
  95                 ucix_add_option(ctx, mountd, q->serial, "disc", t);
  96                 ucix_add_option(ctx, mountd, q->serial, "sector_size", q->sector_size);
  97                 snprintf(t, 64, "part%dmounted", atoi(&q->dev[3]));
  98                 ucix_add_option(ctx, mountd, q->serial, t, (q->mounted)?("1"):("0"));
  99                 ucix_add_option(ctx, mountd, q->serial, "vendor", q->vendor);
 100                 ucix_add_option(ctx, mountd, q->serial, "model", q->model);
 101                 ucix_add_option(ctx, mountd, q->serial, "rev", q->rev);
 102                 snprintf(t, 64, "size%d", atoi(&q->dev[3]));
 103                 ucix_add_option(ctx, mountd, q->serial, t, q->size);
 104                 if(q->fs > MBR && q->fs <= LASTFS)
 105                 {
 106                         snprintf(t, 64, "fs%d", atoi(&q->dev[3]));
 107                         ucix_add_option(ctx, mountd, q->serial, t, fs_names[q->fs]);
 108                 }
 109                 if(q->mounted)
 110                         mounted++;
 111                 if((!q->ignore) && q->size && q->sector_size)
 112                         size = size + (((unsigned long long int)atoi(q->size)) * ((unsigned long long int)atoi(q->sector_size)));
 113         }
 114         ucix_add_option_int(ctx, mountd, mountd, "mounted", mounted);
 115         ucix_add_option_int(ctx, mountd, mountd, "total", size);
 116         system_printf("echo -n %llu > /tmp/run/mountd_size", size);
 117         ucix_save_state(ctx, "mountd");
 118         ucix_cleanup(ctx);
 119 }
 120
 121 static struct mount* mount_find(char *name, char *dev)
 122 {
 123         struct list_head *p;
 124         list_for_each(p, &mounts)
 125         {
 126                 struct mount *q = container_of(p, struct mount, list);
 127                 if(name)
 128                         if(!strcmp(q->name, name))
 129                                 return q;
 130                 if(dev)
 131                         if(!strcmp(q->dev, dev))
 132                                 return q;
 133         }
 134         return 0;
 135 }
 136
 137 static void mount_add_list(char *name, char *dev, char *serial,
 138         char *vendor, char *model, char *rev, int ignore, char *size, char *sector_size, int fs)
 139 {
 140         struct mount *mount;
 141         char tmp[64], tmp2[64];
 142         if(fs <= MBR || fs > LASTFS)
 143                 return;
 144         mount  = malloc(sizeof(struct mount));
 145         INIT_LIST_HEAD(&mount->list);
 146         strncpy(mount->vendor, vendor, 64);
 147         strncpy(mount->model, model, 64);
 148         strncpy(mount->rev, rev, 64);
 149         strncpy(mount->name, name, 64);
 150         strncpy(mount->dev, dev, 64);
 151         strncpy(mount->serial, serial, 64);
 152         strncpy(mount->size, size, 64);
 153         strncpy(mount->sector_size, sector_size, 64);
 154         mount->ignore = ignore;
 155         mount->mounted = 0;
 156         mount->fs = fs;
 157         list_add(&mount->list, &mounts);
 158         if (!mount->ignore)
 159         {
 160                 log_printf("new mount : %s -> %s (%s)\n", name, dev, fs_names[mount->fs]);
 161                 snprintf(tmp, 64, "%s%s", uci_path, name);
 162                 snprintf(tmp2, 64, "/tmp/run/mountd/%s", dev);
 163                 symlink(tmp2, tmp);
 164                 mount_new("/tmp/run/mountd/", dev);
 165                 system_printf("ACTION=add DEVICE=%s NAME=%s /sbin/hotplug-call mount", dev, name);
 166         }
 167 }
 168
 169 static int mount_check_disc(char *disc)
 170 {
 171         FILE *fp = fopen("/proc/mounts", "r");
 172         char tmp[256];
 173         int avail = -1;
 174         if(!fp)
 175         {
 176                 log_printf("error reading /proc/mounts");
 177                 return avail;
 178         }
 179         while((fgets(tmp, 256, fp) != NULL) && (avail == -1))
 180         {
 181                 char *t;
 182                 char tmp2[32];
 183                 t = strstr(tmp, " ");
 184                 if(t)
 185                 {
 186                         int l;
 187                         *t = '\0';
 188                         l = snprintf(tmp2, 31, "/dev/%s", disc);
 189
 190                         if(!strncmp(tmp, tmp2, l))
 191                                 avail = 0;
 192                 }
 193         }
 194         fclose(fp);
 195         return avail;
 196 }
 197
 198 static int mount_wait_for_disc(char *disc)
 199 {
 200         int i = 10;
 201         while(i--)
 202         {
 203                 int ret = mount_check_disc(disc);
 204                 if(!ret)
 205                         return ret;
 206                 poll(0, 0, 100);
 207         }
 208         return -1;
 209 }
 210
 211 int mount_new(char *path, char *dev)
 212 {
 213         struct mount *mount;
 214         char tmp[256];
 215         int ret = 1;
 216         pid_t pid;
 217         mount = mount_find(0, dev);
 218         if(!mount)
 219         {
 220                 log_printf("request for invalid path %s%s\n", path, dev);
 221                 return -1;
 222         }
 223         if(mount->ignore || mount->mounted || mount->fs == EXTENDED)
 224                 return -1;
 225         snprintf(tmp, 256, "%s%s", path, mount->dev);
 226         log_printf("mounting %s\n", tmp);
 227         mkdir(tmp, 777);
 228
 229         pid = autofs_safe_fork();
 230         if(!pid)
 231         {
 232                 char *options, *fstype;
 233                 if(mount->fs == EXFAT)
 234                 {
 235                         options = "rw,uid=1000,gid=1000";
 236                         fstype = "exfat";
 237                 }
 238                 if(mount->fs == FAT)
 239                 {
 240                         options = "rw,uid=1000,gid=1000";
 241                         fstype = "vfat";
 242                 }
 243                 if(mount->fs == EXT4)
 244                 {
 245                         options = "rw,defaults";
 246                         fstype = "ext4";
 247                 }
 248                 if(mount->fs == EXT3)
 249                 {
 250                         options = "rw,defaults";
 251                         fstype = "ext3";
 252                 }
 253                 if(mount->fs == EXT2)
 254                 {
 255                         options = "rw,defaults";
 256                         fstype = "ext2";
 257                 }
 258                 if(mount->fs == HFSPLUS)
 259                 {
 260                         options = "rw,defaults,uid=1000,gid=1000";
 261                         fstype = "hfsplus";
 262                 }
 263                 if(mount->fs == HFSPLUSJOURNAL)
 264                 {
 265                         options = "ro,defaults,uid=1000,gid=1000";
 266                         fstype = "hfsplus";
 267                 }
 268                 if(mount->fs == NTFS)
 269                 {
 270                         options = "force";
 271                         fstype = "ntfs-3g";
 272                 }
 273                 if(mount->fs > MBR && mount->fs <= LASTFS)
 274                 {
 275                         struct uci_context *ctx;
 276                         char *uci_options, *uci_fstype;
 277                         ctx = ucix_init("mountd");
 278                         if(fs_names[mount->fs])
 279                         {
 280                                 uci_options = ucix_get_option(ctx, "mountd", fs_names[mount->fs], "options");
 281                                 uci_fstype = ucix_get_option(ctx, "mountd", fs_names[mount->fs], "fstype");
 282                                 if(uci_options)
 283                                         options = uci_options;
 284                                 if(uci_fstype)
 285                                         fstype = uci_fstype;
 286                                 log_printf("mount -t %s -o %s /dev/%s %s", fstype, options, mount->dev, tmp);
 287                                 ret = system_printf("mount -t %s -o %s /dev/%s %s", fstype, options, mount->dev, tmp);
 288                         }
 289                         ucix_cleanup(ctx);
 290                 }
 291                 exit(WEXITSTATUS(ret));
 292         }
 293         pid = waitpid(pid, &ret, 0);
 294         ret = WEXITSTATUS(ret);
 295         log_printf("----------> mount ret = %d\n", ret);
 296         if(ret && (ret != 0xff))
 297                 return -1;
 298         if(mount_wait_for_disc(mount->dev) == 0)
 299         {
 300                 mount->mounted = 1;
 301                 mount_dump_uci_state();
 302         } else return -1;
 303         return 0;
 304 }
 305
 306 int mount_remove(char *path, char *dev)
 307 {
 308         struct mount *mount;
 309         char tmp[256];
 310         int ret;
 311         snprintf(tmp, 256, "%s%s", path, dev);
 312         log_printf("%s has expired... unmounting\n", tmp);
 313         ret = system_printf("/bin/umount %s", tmp);
 314         if(ret != 0)
 315                 return 0;
 316         rmdir(tmp);
 317         mount = mount_find(0, dev);
 318         if(mount)
 319                 mount->mounted = 0;
 320         log_printf("finished unmounting\n");
 321         mount_dump_uci_state();
 322         return 0;
 323 }
 324
 325 static int dir_sort(const struct dirent **a, const struct dirent **b)
 326 {
 327         return 0;
 328 }
 329
 330 static int dir_filter(const struct dirent *a)
 331 {
 332         if(strstr(a->d_name, ":"))
 333                 return 1;
 334         return 0;
 335 }
 336
 337 static char* mount_get_serial(char *dev)
 338 {
 339         static char tmp[64];
 340         static char tmp2[64];
 341         int disc;
 342         static struct hd_driveid hd;
 343         int i;
 344         static char *serial;
 345         static char disc_id[13];
 346         snprintf(tmp, 64, "/dev/%s", dev);
 347         disc = open(tmp, O_RDONLY);
 348         if(!disc)
 349         {
 350                 log_printf("Trying to open unknown disc\n");
 351                 return 0;
 352         }
 353         i = ioctl(disc, HDIO_GET_IDENTITY, &hd);
 354         close(disc);
 355         if(!i)
 356                 serial = (char*)hd.serial_no;
 357         /* if we failed, it probably a usb storage device */
 358         /* there must be a better way for this */
 359         if(i)
 360         {
 361                 struct dirent **namelist;
 362                 int n = scandir("/sys/bus/scsi/devices/", &namelist, dir_filter, dir_sort);
 363                 if(n > 0)
 364                 {
 365                         while(n--)
 366                         {
 367                                 char *t = strstr(namelist[n]->d_name, ":");
 368                                 if(t)
 369                                 {
 370                                         int id;
 371                                         struct stat buf;
 372                                         char tmp3[64];
 373                                         int ret;
 374                                         *t = 0;
 375                                         id = atoi(namelist[n]->d_name);
 376                                         *t = ':';
 377                                         sprintf(tmp3, "/sys/bus/scsi/devices/%s/block:%s/", namelist[n]->d_name, dev);
 378                                         ret = stat(tmp3, &buf);
 379                                         if(ret)
 380                                         {
 381                                                 sprintf(tmp3, "/sys/bus/scsi/devices/%s/block/%s/", namelist[n]->d_name, dev);
 382                                                 ret = stat(tmp3, &buf);
 383                                         }
 384                                         if(!ret)
 385                                         {
 386                                                 FILE *fp;
 387                                                 snprintf(tmp2, 64, "/proc/scsi/usb-storage/%d", id);
 388                                                 fp = fopen(tmp2, "r");
 389                                                 if(fp)
 390                                                 {
 391                                                         while(fgets(tmp2, 64, fp) != NULL)
 392                                                         {
 393                                                                 serial = strstr(tmp2, "Serial Number:");
 394                                                                 if(serial)
 395                                                                 {
 396                                                                         serial += strlen("Serial Number: ");
 397                                                                         serial[strlen(serial) - 1] = '\0';
 398                                                                         i = 0;
 399                                                                         break;
 400                                                                 }
 401                                                         }
 402                                                         fclose(fp);
 403                                                 }
 404                                         }
 405                                 }
 406                                 free(namelist[n]);
 407                         }
 408                         free(namelist);
 409                 }
 410         }
 411         if(i)
 412         {
 413                 log_printf("could not find a serial number for the device %s\n", dev);
 414         } else {
 415                 /* serial string id is cheap, but makes the discs anonymous */
 416                 unsigned char uniq[6];
 417                 unsigned int *u = (unsigned int*) uniq;
 418                 int l = strlen(serial);
 419                 int i;
 420                 memset(disc_id, 0, 13);
 421                 memset(uniq, 0, 6);
 422                 for(i = 0; i < l; i++)
 423                 {
 424                         uniq[i%6] += serial[i];
 425                 }
 426                 sprintf(disc_id, "%08X%02X%02X", *u, uniq[4], uniq[5]);
 427                 //log_printf("Serial number - %s %s\n", serial, disc_id);
 428                 return disc_id;
 429         }
 430         sprintf(disc_id, "000000000000");
 431         return disc_id;
 432 }
 433
 434 static void mount_dev_add(char *dev)
 435 {
 436         struct mount *mount = mount_find(0, dev);
 437         if(!mount)
 438         {
 439                 char node[64];
 440                 char name[64];
 441                 int ignore = 0;
 442                 char *s;
 443                 char tmp[64];
 444                 char tmp2[64];
 445                 char *p;
 446                 struct uci_context *ctx;
 447                 char vendor[64];
 448                 char model[64];
 449                 char rev[64];
 450                 char size[64];
 451                 char sector_size[64];
 452                 FILE *fp;
 453                 int offset = 3;
 454
 455                 strcpy(name, dev);
 456                 if (!strncmp(name, "mmcblk", 6))
 457                         offset = 7;
 458                 name[offset] = '\0';
 459                 s = mount_get_serial(name);
 460                 if(!s) {
 461                         return;
 462                 }
 463                 if (!strncmp(name, "mmcblk", 6)) {
 464                         snprintf(tmp, 64, "part%s", &dev[8]);
 465                         snprintf(node, 64, "SD-P%s", &dev[8]);
 466
 467                 } else {
 468                         snprintf(tmp, 64, "part%s", &dev[3]);
 469                         snprintf(node, 64, "USB-%s", &dev[2]);
 470                 }
 471                 if(node[4] >= 'a' && node[4] <= 'z')
 472                 {
 473                         node[4] -= 'a';
 474                         node[4] += 'A';
 475                 }
 476                 ctx = ucix_init("mountd");
 477                 p = ucix_get_option(ctx, "mountd", s, tmp);
 478                 ucix_cleanup(ctx);
 479                 if(p)
 480                 {
 481                         if(strlen(p) == 1)
 482                         {
 483                                 if(*p == '0')
 484                                         ignore = 1;
 485                         } else {
 486                                 snprintf(node, 64, "%s", p);
 487                         }
 488                 }
 489                 strcpy(name, dev);
 490                 name[3] = '\0';
 491                 snprintf(tmp, 64, "/sys/class/block/%s/device/model", name);
 492                 fp = fopen(tmp, "r");
 493                 if(!fp)
 494                 {
 495                         snprintf(tmp, 64, "/sys/block/%s/device/model", name);
 496                         fp = fopen(tmp, "r");
 497                 }
 498                 if(!fp)
 499                         snprintf(model, 64, "unknown");
 500                 else {
 501                         fgets(model, 64, fp);
 502                         model[strlen(model) - 1] = '\0';;
 503                         fclose(fp);
 504                 }
 505                 snprintf(tmp, 64, "/sys/class/block/%s/device/vendor", name);
 506                 fp = fopen(tmp, "r");
 507                 if(!fp)
 508                 {
 509                         snprintf(tmp, 64, "/sys/block/%s/device/vendor", name);
 510                         fp = fopen(tmp, "r");
 511                 }
 512                 if(!fp)
 513                         snprintf(vendor, 64, "unknown");
 514                 else {
 515                         fgets(vendor, 64, fp);
 516                         vendor[strlen(vendor) - 1] = '\0';
 517                         fclose(fp);
 518                 }
 519                 snprintf(tmp, 64, "/sys/class/block/%s/device/rev", name);
 520                 fp = fopen(tmp, "r");
 521                 if(!fp)
 522                 {
 523                         snprintf(tmp, 64, "/sys/block/%s/device/rev", name);
 524                         fp = fopen(tmp, "r");
 525                 }
 526                 if(!fp)
 527                         snprintf(rev, 64, "unknown");
 528                 else {
 529                         fgets(rev, 64, fp);
 530                         rev[strlen(rev) - 1] = '\0';
 531                         fclose(fp);
 532                 }
 533                 snprintf(tmp, 64, "/sys/class/block/%s/size", dev);
 534                 fp = fopen(tmp, "r");
 535                 if(!fp)
 536                 {
 537                         snprintf(tmp, 64, "/sys/block/%s/%s/size", name, dev);
 538                         fp = fopen(tmp, "r");
 539                 }
 540                 if(!fp)
 541                         snprintf(size, 64, "unknown");
 542                 else {
 543                         fgets(size, 64, fp);
 544                         size[strlen(size) - 1] = '\0';
 545                         fclose(fp);
 546                 }
 547                 strcpy(tmp2, dev);
 548                 tmp2[3] = '\0';
 549                 snprintf(tmp, 64, "/sys/block/%s/queue/hw_sector_size", tmp2);
 550                 fp = fopen(tmp, "r");
 551                 if(!fp)
 552                         snprintf(sector_size, 64, "unknown");
 553                 else {
 554                         fgets(sector_size, 64, fp);
 555                         sector_size[strlen(sector_size) - 1] = '\0';
 556                         fclose(fp);
 557                 }
 558                 snprintf(tmp, 64, "/dev/%s", dev);
 559                 mount_add_list(node, dev, s, vendor, model, rev, ignore, size, sector_size, detect_fs(tmp));
 560                 mount_dump_uci_state();
 561         }
 562 }
 563
 564 static void mount_dev_del(char *dev)
 565 {
 566         struct mount *mount = mount_find(0, dev);
 567         char tmp[256];
 568         if(mount)
 569         {
 570                 if(mount->mounted)
 571                 {
 572                         snprintf(tmp, 256, "%s%s", "/tmp/run/mountd/", mount->name);
 573                         log_printf("%s has dissappeared ... unmounting\n", tmp);
 574                         snprintf(tmp, 256, "%s%s", "/tmp/run/mountd/", mount->dev);
 575                         system_printf("/bin/umount %s", tmp);
 576                         rmdir(tmp);
 577                         snprintf(tmp, 64, "%s%s", uci_path, mount->name);
 578                         unlink(tmp);
 579                         mount_dump_uci_state();
 580                 }
 581         }
 582 }
 583
 584 void mount_dump_list(void)
 585 {
 586         struct list_head *p;
 587         list_for_each(p, &mounts)
 588         {
 589                 struct mount *q = container_of(p, struct mount, list);
 590                 log_printf("* %s %s %d\n", q->name, q->dev, q->mounted);
 591         }
 592 }
 593
 594 char* is_mounted(char *block, char *path)
 595 {
 596         int i;
 597         for(i = 0; i < mounted_count; i++)
 598         {
 599                 if(block)
 600                         if(!strncmp(&mounted[i][0][0], block, strlen(&mounted[i][0][0])))
 601                                 return &mounted[i][0][0];
 602                 if(path)
 603                         if(!strncmp(&mounted[i][1][1], &path[1], strlen(&mounted[i][1][0])))
 604                                 return &mounted[i][0][0];
 605         }
 606         return 0;
 607 }
 608
 609 static void mount_check_mount_list(void)
 610 {
 611         FILE *fp = fopen("/proc/mounts", "r");
 612         char tmp[256];
 613
 614         if(!fp)
 615         {
 616                 log_printf("error reading /proc/mounts");
 617                 return;
 618         }
 619         mounted_count = 0;
 620         while(fgets(tmp, 256, fp) != NULL)
 621         {
 622                 char *t, *t2;
 623                 t = strstr(tmp, " ");
 624                 if(t)
 625                 {
 626                         *t = '\0';
 627                         t++;
 628                 } else t = tmp;
 629                 strncpy(&mounted[mounted_count][0][0], tmp, MAX_MOUNT_NAME);
 630                 t2 = strstr(t, " ");
 631                 if(t2)
 632                 {
 633                         *t2 = '\0';
 634                         t2++;
 635                 } else t2 = t;
 636                 strncpy(&mounted[mounted_count][1][0], t, MAX_MOUNT_NAME);
 637                 t = strstr(t2, " ");
 638                 if(t)
 639                 {
 640                         *t = '\0';
 641                         t++;
 642                 } else t = tmp;
 643                 strncpy(&mounted[mounted_count][2][0], t2, MAX_MOUNT_NAME);
 644         /*      printf("%s %s %s\n",
 645                         mounted[mounted_count][0],
 646                         mounted[mounted_count][1],
 647                         mounted[mounted_count][2]);*/
 648                 if(mounted_count < MAX_MOUNTED - 1)
 649                         mounted_count++;
 650                 else
 651                         log_printf("found more than %d mounts \n", MAX_MOUNTED);
 652         }
 653         fclose(fp);
 654 }
 655
 656 /* FIXME: we need more intelligence here */
 657 static int dir_filter2(const struct dirent *a)
 658 {
 659         if(!strncmp(a->d_name, "mmcblk", 6) || !strncmp(a->d_name, "sd", 2))
 660                 return 1;
 661         return 0;
 662 }
 663 #define MAX_BLOCK       64
 664 static char block[MAX_BLOCK][MAX_BLOCK];
 665 static int blk_cnt = 0;
 666
 667 static int check_block(char *b)
 668 {
 669         int i;
 670         for(i = 0; i < blk_cnt; i++)
 671         {
 672                 if(!strcmp(block[i], b))
 673                         return 1;
 674         }
 675         return 0;
 676 }
 677
 678 static void mount_enum_drives(void)
 679 {
 680         struct dirent **namelist, **namelist2;
 681         int i, n = scandir("/sys/block/", &namelist, dir_filter2, dir_sort);
 682         struct list_head *p;
 683         blk_cnt = 0;
 684         if(n > 0)
 685         {
 686                 while(n--)
 687                 {
 688                         if(blk_cnt < MAX_BLOCK)
 689                         {
 690                                 int m;
 691                                 char tmp[64];
 692                                 snprintf(tmp, 64, "/sys/block/%s/", namelist[n]->d_name);
 693                                 m = scandir(tmp, &namelist2, dir_filter2, dir_sort);
 694                                 if(m > 0)
 695                                 {
 696                                         while(m--)
 697                                         {
 698                                                 strncpy(&block[blk_cnt][0], namelist2[m]->d_name, MAX_BLOCK);
 699                                                 blk_cnt++;
 700                                                 free(namelist2[m]);
 701                                         }
 702                                         free(namelist2);
 703                                 } else {
 704                                         strncpy(&block[blk_cnt][0], namelist[n]->d_name, MAX_BLOCK);
 705                                         blk_cnt++;
 706                                 }
 707                         }
 708                         free(namelist[n]);
 709                 }
 710                 free(namelist);
 711         }
 712         p = mounts.next;
 713         while(p != &mounts)
 714         {
 715                 struct mount *q = container_of(p, struct mount, list);
 716                 char tmp[64];
 717                 struct uci_context *ctx;
 718                 int del = 0;
 719                 char *t;
 720                 snprintf(tmp, 64, "part%s", &q->dev[3]);
 721                 ctx = ucix_init("mountd");
 722                 t = ucix_get_option(ctx, "mountd", q->serial, tmp);
 723                 ucix_cleanup(ctx);
 724                 if(t && !q->mounted)
 725                 {
 726                         if(!strcmp(t, "0"))
 727                         {
 728                                 if(!q->ignore)
 729                                         del = 1;
 730                         } else if(!strcmp(t, "1"))
 731                         {
 732                                 if(strncmp(q->name, "Disc-", 5))
 733                                         del = 1;
 734                         } else if(strcmp(q->name, t))
 735                         {
 736                                 del = 1;
 737                         }
 738                 }
 739                 if(!check_block(q->dev)||del)
 740                 {
 741                         mount_dev_del(q->dev);
 742                         p->prev->next = p->next;
 743                         p->next->prev = p->prev;
 744                         p = p->next;
 745                         log_printf("removing %s\n", q->dev);
 746                         snprintf(tmp, 64, "%s%s", "/tmp/run/mountd/", q->dev);
 747                         rmdir(tmp);
 748                         snprintf(tmp, 64, "%s%s", uci_path, q->name);
 749                         unlink(tmp);
 750                         system_printf("ACTION=remove DEVICE=%s NAME=%s /sbin/hotplug-call mount", q->dev, q->name);
 751                         free(q);
 752                         mount_dump_uci_state();
 753                         system_printf("/etc/fonstated/ReloadSamba");
 754                 } else p = p->next;
 755         }
 756
 757         for(i = 0; i < blk_cnt; i++)
 758                 mount_dev_add(block[i]);
 759 }
 760
 761 static void mount_check_enum(void)
 762 {
 763         waitpid(-1, 0, WNOHANG);
 764         mount_enum_drives();
 765 }
 766
 767 void mount_init(void)
 768 {
 769         INIT_LIST_HEAD(&mounts);
 770         timer_add(mount_check_mount_list, 2);
 771         timer_add(mount_check_enum, 1);
 772         mount_check_mount_list();
 773 }