9 #include <linux/hdreg.h>
13 #include <sys/inotify.h>
15 #include <sys/types.h>
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"
32 int mount_new(char *path, char *dev);
34 struct list_head mounts;
37 struct list_head list;
66 #define MAX_MOUNTED 32
67 #define MAX_MOUNT_NAME 32
69 char mounted[MAX_MOUNTED][3][MAX_MOUNT_NAME];
70 int mounted_count = 0;
71 extern char uci_path[32];
73 static void mount_dump_uci_state(void)
75 struct uci_context *ctx;
77 char mountd[] = {"mountd"};
78 char type[] = {"mountd_disc"};
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)
87 struct mount *q = container_of(p, struct mount, list);
91 ucix_add_section(ctx, mountd, q->serial, type);
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)
105 snprintf(t, 64, "fs%d", atoi(&q->dev[3]));
106 ucix_add_option(ctx, mountd, q->serial, t, fs_names[q->fs]);
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)));
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");
120 static struct mount* mount_find(char *name, char *dev)
123 list_for_each(p, &mounts)
125 struct mount *q = container_of(p, struct mount, list);
127 if(!strcmp(q->name, name))
130 if(!strcmp(q->dev, dev))
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)
140 char tmp[64], tmp2[64];
141 if(fs <= MBR || fs > EXT4)
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;
156 list_add(&mount->list, &mounts);
157 if((!mount->ignore) && (mount->fs > MBR) && (mount->fs <= EXT4))
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);
163 mount_new("/tmp/run/mountd/", dev);
167 static int mount_check_disc(char *disc)
169 FILE *fp = fopen("/proc/mounts", "r");
174 log_printf("error reading /proc/mounts");
178 while((fgets(tmp, 256, fp) > 0) && (avail == -1))
182 t = strstr(tmp, " ");
187 l = snprintf(tmp2, 31, "/dev/%s", disc);
189 if(!strncmp(tmp, tmp2, l))
197 static int mount_wait_for_disc(char *disc)
202 int ret = mount_check_disc(disc);
210 int mount_new(char *path, char *dev)
216 mount = mount_find(0, dev);
219 log_printf("request for invalid path %s%s\n", path, dev);
222 if(mount->ignore || mount->mounted || mount->fs == EXTENDED)
224 snprintf(tmp, 256, "%s%s", path, mount->dev);
225 log_printf("mounting %s\n", tmp);
228 pid = autofs_safe_fork();
231 if(mount->fs == EXFAT)
233 log_printf("mount -t exfat -o rw,uid=1000,gid=1000 /dev/%s %s", mount->dev, tmp);
234 ret = system_printf("mount -t exfat -o rw,uid=1000,gid=1000 /dev/%s %s", mount->dev, tmp);
238 log_printf("mount -t vfat -o rw,uid=1000,gid=1000 /dev/%s %s", mount->dev, tmp);
239 ret = system_printf("mount -t vfat -o rw,uid=1000,gid=1000 /dev/%s %s", mount->dev, tmp);
241 if(mount->fs == EXT4)
243 log_printf("mount -t ext4 -o rw,defaults /dev/%s %s", mount->dev, tmp);
244 ret = system_printf("mount -t ext4 -o rw,defaults /dev/%s %s", mount->dev, tmp);
246 if(mount->fs == EXT3)
248 log_printf("mount -t ext3 -o rw,defaults /dev/%s %s", mount->dev, tmp);
249 ret = system_printf("mount -t ext3 -o rw,defaults /dev/%s %s", mount->dev, tmp);
251 if(mount->fs == EXT2)
253 log_printf("mount -t ext2 -o rw,defaults /dev/%s %s", mount->dev, tmp);
254 ret = system_printf("mount -t ext2 -o rw,defaults /dev/%s %s", mount->dev, tmp);
256 if(mount->fs == HFSPLUS)
258 log_printf("mount -t hfsplus -o rw,defaults,uid=1000,gid=1000 /dev/%s %s", mount->dev, tmp);
259 ret = system_printf("mount -t hfsplus -o rw,defaults,uid=1000,gid=1000 /dev/%s %s", mount->dev, tmp);
261 if(mount->fs == NTFS)
263 log_printf("ntfs-3g /dev/%s %s -o force", mount->dev, tmp);
264 ret = system_printf("ntfs-3g /dev/%s %s -o force", mount->dev, tmp);
266 exit(WEXITSTATUS(ret));
268 pid = waitpid(pid, &ret, 0);
269 ret = WEXITSTATUS(ret);
270 log_printf("----------> mount ret = %d\n", ret);
271 if(ret && (ret != 0xff))
273 if(mount_wait_for_disc(mount->dev) == 0)
276 mount_dump_uci_state();
281 int mount_remove(char *path, char *dev)
286 snprintf(tmp, 256, "%s%s", path, dev);
287 log_printf("%s has expired... unmounting\n", tmp);
288 ret = system_printf("/bin/umount %s", tmp);
292 mount = mount_find(0, dev);
295 log_printf("finished unmounting\n");
296 mount_dump_uci_state();
300 static int dir_sort(const struct dirent **a, const struct dirent **b)
305 static int dir_filter(const struct dirent *a)
307 if(strstr(a->d_name, ":"))
312 static char* mount_get_serial(char *dev)
315 static char tmp2[64];
317 static struct hd_driveid hd;
320 static char disc_id[13];
321 snprintf(tmp, 64, "/dev/%s", dev);
322 disc = open(tmp, O_RDONLY);
325 log_printf("Trying to open unknown disc\n");
328 i = ioctl(disc, HDIO_GET_IDENTITY, &hd);
331 serial = (char*)hd.serial_no;
332 /* if we failed, it probably a usb storage device */
333 /* there must be a better way for this */
336 struct dirent **namelist;
337 int n = scandir("/sys/bus/scsi/devices/", &namelist, dir_filter, dir_sort);
342 char *t = strstr(namelist[n]->d_name, ":");
350 id = atoi(namelist[n]->d_name);
352 sprintf(tmp3, "/sys/bus/scsi/devices/%s/block:%s/", namelist[n]->d_name, dev);
353 ret = stat(tmp3, &buf);
356 sprintf(tmp3, "/sys/bus/scsi/devices/%s/block/%s/", namelist[n]->d_name, dev);
357 ret = stat(tmp3, &buf);
362 snprintf(tmp2, 64, "/proc/scsi/usb-storage/%d", id);
363 fp = fopen(tmp2, "r");
366 while(fgets(tmp2, 64, fp) > 0)
368 serial = strstr(tmp2, "Serial Number:");
371 serial += strlen("Serial Number: ");
372 serial[strlen(serial) - 1] = '\0';
388 log_printf("could not find a serial number for the device %s\n", dev);
390 /* serial string id is cheap, but makes the discs anonymous */
391 unsigned char uniq[6];
392 unsigned int *u = (unsigned int*) uniq;
393 int l = strlen(serial);
395 memset(disc_id, 0, 13);
397 for(i = 0; i < l; i++)
399 uniq[i%6] += serial[i];
401 sprintf(disc_id, "%08X%02X%02X", *u, uniq[4], uniq[5]);
402 //log_printf("Serial number - %s %s\n", serial, disc_id);
405 sprintf(disc_id, "000000000000");
409 static void mount_dev_add(char *dev)
411 struct mount *mount = mount_find(0, dev);
421 struct uci_context *ctx;
426 char sector_size[64];
431 if (!strncmp(name, "mmcblk", 6))
434 s = mount_get_serial(name);
438 if (!strncmp(name, "mmcblk", 6)) {
439 snprintf(tmp, 64, "part%s", &dev[8]);
440 snprintf(node, 64, "SD-P%s", &dev[8]);
443 snprintf(tmp, 64, "part%s", &dev[3]);
444 snprintf(node, 64, "USB-%s", &dev[2]);
446 if(node[4] >= 'a' && node[4] <= 'z')
451 ctx = ucix_init("mountd");
452 p = ucix_get_option(ctx, "mountd", s, tmp);
461 snprintf(node, 64, "%s", p);
466 snprintf(tmp, 64, "/sys/class/block/%s/device/model", name);
467 fp = fopen(tmp, "r");
470 snprintf(tmp, 64, "/sys/block/%s/device/model", name);
471 fp = fopen(tmp, "r");
474 snprintf(model, 64, "unknown");
476 fgets(model, 64, fp);
477 model[strlen(model) - 1] = '\0';;
480 snprintf(tmp, 64, "/sys/class/block/%s/device/vendor", name);
481 fp = fopen(tmp, "r");
484 snprintf(tmp, 64, "/sys/block/%s/device/vendor", name);
485 fp = fopen(tmp, "r");
488 snprintf(vendor, 64, "unknown");
490 fgets(vendor, 64, fp);
491 vendor[strlen(vendor) - 1] = '\0';
494 snprintf(tmp, 64, "/sys/class/block/%s/device/rev", name);
495 fp = fopen(tmp, "r");
498 snprintf(tmp, 64, "/sys/block/%s/device/rev", name);
499 fp = fopen(tmp, "r");
502 snprintf(rev, 64, "unknown");
505 rev[strlen(rev) - 1] = '\0';
508 snprintf(tmp, 64, "/sys/class/block/%s/size", dev);
509 fp = fopen(tmp, "r");
512 snprintf(tmp, 64, "/sys/block/%s/%s/size", name, dev);
513 fp = fopen(tmp, "r");
516 snprintf(size, 64, "unknown");
519 size[strlen(size) - 1] = '\0';
524 snprintf(tmp, 64, "/sys/block/%s/queue/hw_sector_size", tmp2);
525 fp = fopen(tmp, "r");
527 snprintf(sector_size, 64, "unknown");
529 fgets(sector_size, 64, fp);
530 sector_size[strlen(sector_size) - 1] = '\0';
533 snprintf(tmp, 64, "/dev/%s", dev);
534 mount_add_list(node, dev, s, vendor, model, rev, ignore, size, sector_size, detect_fs(tmp));
535 mount_dump_uci_state();
539 static void mount_dev_del(char *dev)
541 struct mount *mount = mount_find(0, dev);
547 snprintf(tmp, 256, "%s%s", "/tmp/run/mountd/", mount->name);
548 log_printf("%s has dissappeared ... unmounting\n", tmp);
549 snprintf(tmp, 256, "%s%s", "/tmp/run/mountd/", mount->dev);
550 system_printf("/bin/umount %s", tmp);
552 snprintf(tmp, 64, "%s%s", uci_path, mount->name);
554 mount_dump_uci_state();
559 void mount_dump_list(void)
562 list_for_each(p, &mounts)
564 struct mount *q = container_of(p, struct mount, list);
565 log_printf("* %s %s %d\n", q->name, q->dev, q->mounted);
569 char* is_mounted(char *block, char *path)
572 for(i = 0; i < mounted_count; i++)
575 if(!strncmp(&mounted[i][0][0], block, strlen(&mounted[i][0][0])))
576 return &mounted[i][0][0];
578 if(!strncmp(&mounted[i][1][1], &path[1], strlen(&mounted[i][1][0])))
579 return &mounted[i][0][0];
584 static void mount_check_mount_list(void)
586 FILE *fp = fopen("/proc/mounts", "r");
591 log_printf("error reading /proc/mounts");
596 while(fgets(tmp, 256, fp) > 0)
599 t = strstr(tmp, " ");
605 strncpy(&mounted[mounted_count][0][0], tmp, MAX_MOUNT_NAME);
612 strncpy(&mounted[mounted_count][1][0], t, MAX_MOUNT_NAME);
619 strncpy(&mounted[mounted_count][2][0], t2, MAX_MOUNT_NAME);
620 /* printf("%s %s %s\n",
621 mounted[mounted_count][0],
622 mounted[mounted_count][1],
623 mounted[mounted_count][2]);*/
624 if(mounted_count < MAX_MOUNTED - 1)
627 log_printf("found more than %d mounts \n", MAX_MOUNTED);
632 /* FIXME: we need more intelligence here */
633 static int dir_filter2(const struct dirent *a)
635 if(!strncmp(a->d_name, "mmcblk", 6) || !strncmp(a->d_name, "sd", 2))
640 char block[MAX_BLOCK][MAX_BLOCK];
643 static int check_block(char *b)
646 for(i = 0; i < blk_cnt; i++)
648 if(!strcmp(block[i], b))
654 static void mount_enum_drives(void)
656 struct dirent **namelist, **namelist2;
657 int i, n = scandir("/sys/block/", &namelist, dir_filter2, dir_sort);
664 if(blk_cnt < MAX_BLOCK)
668 snprintf(tmp, 64, "/sys/block/%s/", namelist[n]->d_name);
669 m = scandir(tmp, &namelist2, dir_filter2, dir_sort);
672 strncpy(&block[blk_cnt][0], namelist2[m]->d_name, MAX_BLOCK);
685 struct mount *q = container_of(p, struct mount, list);
687 struct uci_context *ctx;
690 snprintf(tmp, 64, "part%s", &q->dev[3]);
691 ctx = ucix_init("mountd");
692 t = ucix_get_option(ctx, "mountd", q->serial, tmp);
700 } else if(!strcmp(t, "1"))
702 if(strncmp(q->name, "Disc-", 5))
704 } else if(strcmp(q->name, t))
709 if(!check_block(q->dev)||del)
711 mount_dev_del(q->dev);
712 p->prev->next = p->next;
713 p->next->prev = p->prev;
715 log_printf("removing %s\n", q->dev);
716 snprintf(tmp, 64, "%s%s", uci_path, q->name);
718 system_printf("/etc/mountd/event remove %s %s", q->dev, q->name);
720 mount_dump_uci_state();
721 system_printf("/etc/fonstated/ReloadSamba");
725 for(i = 0; i < blk_cnt; i++)
726 mount_dev_add(block[i]);
729 static void mount_check_enum(void)
731 waitpid(-1, 0, WNOHANG);
735 void mount_init(void)
737 INIT_LIST_HEAD(&mounts);
738 timer_add(mount_check_mount_list, 2);
739 timer_add(mount_check_enum, 1);
740 mount_check_mount_list();