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