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