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