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 static struct list_head mounts;
37 struct list_head list;
51 static char *fs_names[] = {
67 #define MAX_MOUNTED 32
68 #define MAX_MOUNT_NAME 32
70 static char mounted[MAX_MOUNTED][3][MAX_MOUNT_NAME];
71 static int mounted_count = 0;
72 extern char uci_path[32];
74 static void mount_dump_uci_state(void)
76 struct uci_context *ctx;
78 char mountd[] = {"mountd"};
79 char type[] = {"mountd_disc"};
81 unsigned long long int size = 0;
82 unlink("/var/state/mountd");
83 ctx = ucix_init("mountd");
84 uci_set_savedir(ctx, "/var/state/");
85 ucix_add_option_int(ctx, mountd, mountd, "count", list_count(&mounts));
86 list_for_each(p, &mounts)
88 struct mount *q = container_of(p, struct mount, list);
92 ucix_add_section(ctx, mountd, q->serial, type);
95 ucix_add_option(ctx, mountd, q->serial, "disc", t);
96 ucix_add_option(ctx, mountd, q->serial, "sector_size", q->sector_size);
97 snprintf(t, 64, "part%dmounted", atoi(&q->dev[3]));
98 ucix_add_option(ctx, mountd, q->serial, t, (q->mounted)?("1"):("0"));
99 ucix_add_option(ctx, mountd, q->serial, "vendor", q->vendor);
100 ucix_add_option(ctx, mountd, q->serial, "model", q->model);
101 ucix_add_option(ctx, mountd, q->serial, "rev", q->rev);
102 snprintf(t, 64, "size%d", atoi(&q->dev[3]));
103 ucix_add_option(ctx, mountd, q->serial, t, q->size);
104 if(q->fs > MBR && q->fs <= LASTFS)
106 snprintf(t, 64, "fs%d", atoi(&q->dev[3]));
107 ucix_add_option(ctx, mountd, q->serial, t, fs_names[q->fs]);
111 if((!q->ignore) && q->size && q->sector_size)
112 size = size + (((unsigned long long int)atoi(q->size)) * ((unsigned long long int)atoi(q->sector_size)));
114 ucix_add_option_int(ctx, mountd, mountd, "mounted", mounted);
115 ucix_add_option_int(ctx, mountd, mountd, "total", size);
116 system_printf("echo -n %llu > /tmp/run/mountd_size", size);
117 ucix_save_state(ctx, "mountd");
121 static struct mount* mount_find(char *name, char *dev)
124 list_for_each(p, &mounts)
126 struct mount *q = container_of(p, struct mount, list);
128 if(!strcmp(q->name, name))
131 if(!strcmp(q->dev, dev))
137 static void mount_add_list(char *name, char *dev, char *serial,
138 char *vendor, char *model, char *rev, int ignore, char *size, char *sector_size, int fs)
141 char tmp[64], tmp2[64];
142 if(fs <= MBR || fs > LASTFS)
144 mount = malloc(sizeof(struct mount));
145 INIT_LIST_HEAD(&mount->list);
146 strncpy(mount->vendor, vendor, 64);
147 strncpy(mount->model, model, 64);
148 strncpy(mount->rev, rev, 64);
149 strncpy(mount->name, name, 64);
150 strncpy(mount->dev, dev, 64);
151 strncpy(mount->serial, serial, 64);
152 strncpy(mount->size, size, 64);
153 strncpy(mount->sector_size, sector_size, 64);
154 mount->ignore = ignore;
157 list_add(&mount->list, &mounts);
158 if((!mount->ignore) && (mount->fs > MBR) && (mount->fs <= LASTFS))
160 log_printf("new mount : %s -> %s (%s)\n", name, dev, fs_names[mount->fs]);
161 snprintf(tmp, 64, "%s%s", uci_path, name);
162 snprintf(tmp2, 64, "/tmp/run/mountd/%s", dev);
164 mount_new("/tmp/run/mountd/", dev);
165 system_printf("ACTION=add DEVICE=%s NAME=%s /sbin/hotplug-call mount", dev, name);
169 static int mount_check_disc(char *disc)
171 FILE *fp = fopen("/proc/mounts", "r");
176 log_printf("error reading /proc/mounts");
180 while((fgets(tmp, 256, fp) != NULL) && (avail == -1))
184 t = strstr(tmp, " ");
189 l = snprintf(tmp2, 31, "/dev/%s", disc);
191 if(!strncmp(tmp, tmp2, l))
199 static int mount_wait_for_disc(char *disc)
204 int ret = mount_check_disc(disc);
212 int mount_new(char *path, char *dev)
218 mount = mount_find(0, dev);
221 log_printf("request for invalid path %s%s\n", path, dev);
224 if(mount->ignore || mount->mounted || mount->fs == EXTENDED)
226 snprintf(tmp, 256, "%s%s", path, mount->dev);
227 log_printf("mounting %s\n", tmp);
230 pid = autofs_safe_fork();
233 char *options, *fstype;
234 if(mount->fs == EXFAT)
236 options = "rw,uid=1000,gid=1000";
241 options = "rw,uid=1000,gid=1000";
244 if(mount->fs == EXT4)
246 options = "rw,defaults";
249 if(mount->fs == EXT3)
251 options = "rw,defaults";
254 if(mount->fs == EXT2)
256 options = "rw,defaults";
259 if(mount->fs == HFSPLUS)
261 options = "rw,defaults,uid=1000,gid=1000";
264 if(mount->fs == HFSPLUSJOURNAL)
266 options = "ro,defaults,uid=1000,gid=1000";
269 if(mount->fs == NTFS)
274 if(mount->fs > MBR && mount->fs <= LASTFS)
276 struct uci_context *ctx;
277 char *uci_options, *uci_fstype;
278 ctx = ucix_init("mountd");
279 if(fs_names[mount->fs])
281 uci_options = ucix_get_option(ctx, "mountd", fs_names[mount->fs], "options");
282 uci_fstype = ucix_get_option(ctx, "mountd", fs_names[mount->fs], "fstype");
284 options = uci_options;
287 log_printf("mount -t %s -o %s /dev/%s %s", fstype, options, mount->dev, tmp);
288 ret = system_printf("mount -t %s -o %s /dev/%s %s", fstype, options, mount->dev, tmp);
292 exit(WEXITSTATUS(ret));
294 pid = waitpid(pid, &ret, 0);
295 ret = WEXITSTATUS(ret);
296 log_printf("----------> mount ret = %d\n", ret);
297 if(ret && (ret != 0xff))
299 if(mount_wait_for_disc(mount->dev) == 0)
302 mount_dump_uci_state();
307 int mount_remove(char *path, char *dev)
312 snprintf(tmp, 256, "%s%s", path, dev);
313 log_printf("%s has expired... unmounting\n", tmp);
314 ret = system_printf("/bin/umount %s", tmp);
318 mount = mount_find(0, dev);
321 log_printf("finished unmounting\n");
322 mount_dump_uci_state();
326 static int dir_sort(const struct dirent **a, const struct dirent **b)
331 static int dir_filter(const struct dirent *a)
333 if(strstr(a->d_name, ":"))
338 static char* mount_get_serial(char *dev)
341 static char tmp2[64];
343 static struct hd_driveid hd;
346 static char disc_id[13];
347 snprintf(tmp, 64, "/dev/%s", dev);
348 disc = open(tmp, O_RDONLY);
351 log_printf("Trying to open unknown disc\n");
354 i = ioctl(disc, HDIO_GET_IDENTITY, &hd);
357 serial = (char*)hd.serial_no;
358 /* if we failed, it probably a usb storage device */
359 /* there must be a better way for this */
362 struct dirent **namelist;
363 int n = scandir("/sys/bus/scsi/devices/", &namelist, dir_filter, dir_sort);
368 char *t = strstr(namelist[n]->d_name, ":");
376 id = atoi(namelist[n]->d_name);
378 sprintf(tmp3, "/sys/bus/scsi/devices/%s/block:%s/", namelist[n]->d_name, dev);
379 ret = stat(tmp3, &buf);
382 sprintf(tmp3, "/sys/bus/scsi/devices/%s/block/%s/", namelist[n]->d_name, dev);
383 ret = stat(tmp3, &buf);
388 snprintf(tmp2, 64, "/proc/scsi/usb-storage/%d", id);
389 fp = fopen(tmp2, "r");
392 while(fgets(tmp2, 64, fp) != NULL)
394 serial = strstr(tmp2, "Serial Number:");
397 serial += strlen("Serial Number: ");
398 serial[strlen(serial) - 1] = '\0';
414 log_printf("could not find a serial number for the device %s\n", dev);
416 /* serial string id is cheap, but makes the discs anonymous */
417 unsigned char uniq[6];
418 unsigned int *u = (unsigned int*) uniq;
419 int l = strlen(serial);
421 memset(disc_id, 0, 13);
423 for(i = 0; i < l; i++)
425 uniq[i%6] += serial[i];
427 sprintf(disc_id, "%08X%02X%02X", *u, uniq[4], uniq[5]);
428 //log_printf("Serial number - %s %s\n", serial, disc_id);
431 sprintf(disc_id, "000000000000");
435 static void mount_dev_add(char *dev)
437 struct mount *mount = mount_find(0, dev);
447 struct uci_context *ctx;
452 char sector_size[64];
457 if (!strncmp(name, "mmcblk", 6))
460 s = mount_get_serial(name);
464 if (!strncmp(name, "mmcblk", 6)) {
465 snprintf(tmp, 64, "part%s", &dev[8]);
466 snprintf(node, 64, "SD-P%s", &dev[8]);
469 snprintf(tmp, 64, "part%s", &dev[3]);
470 snprintf(node, 64, "USB-%s", &dev[2]);
472 if(node[4] >= 'a' && node[4] <= 'z')
477 ctx = ucix_init("mountd");
478 p = ucix_get_option(ctx, "mountd", s, tmp);
487 snprintf(node, 64, "%s", p);
492 snprintf(tmp, 64, "/sys/class/block/%s/device/model", name);
493 fp = fopen(tmp, "r");
496 snprintf(tmp, 64, "/sys/block/%s/device/model", name);
497 fp = fopen(tmp, "r");
500 snprintf(model, 64, "unknown");
502 fgets(model, 64, fp);
503 model[strlen(model) - 1] = '\0';;
506 snprintf(tmp, 64, "/sys/class/block/%s/device/vendor", name);
507 fp = fopen(tmp, "r");
510 snprintf(tmp, 64, "/sys/block/%s/device/vendor", name);
511 fp = fopen(tmp, "r");
514 snprintf(vendor, 64, "unknown");
516 fgets(vendor, 64, fp);
517 vendor[strlen(vendor) - 1] = '\0';
520 snprintf(tmp, 64, "/sys/class/block/%s/device/rev", name);
521 fp = fopen(tmp, "r");
524 snprintf(tmp, 64, "/sys/block/%s/device/rev", name);
525 fp = fopen(tmp, "r");
528 snprintf(rev, 64, "unknown");
531 rev[strlen(rev) - 1] = '\0';
534 snprintf(tmp, 64, "/sys/class/block/%s/size", dev);
535 fp = fopen(tmp, "r");
538 snprintf(tmp, 64, "/sys/block/%s/%s/size", name, dev);
539 fp = fopen(tmp, "r");
542 snprintf(size, 64, "unknown");
545 size[strlen(size) - 1] = '\0';
550 snprintf(tmp, 64, "/sys/block/%s/queue/hw_sector_size", tmp2);
551 fp = fopen(tmp, "r");
553 snprintf(sector_size, 64, "unknown");
555 fgets(sector_size, 64, fp);
556 sector_size[strlen(sector_size) - 1] = '\0';
559 snprintf(tmp, 64, "/dev/%s", dev);
560 mount_add_list(node, dev, s, vendor, model, rev, ignore, size, sector_size, detect_fs(tmp));
561 mount_dump_uci_state();
565 static void mount_dev_del(char *dev)
567 struct mount *mount = mount_find(0, dev);
573 snprintf(tmp, 256, "%s%s", "/tmp/run/mountd/", mount->name);
574 log_printf("%s has dissappeared ... unmounting\n", tmp);
575 snprintf(tmp, 256, "%s%s", "/tmp/run/mountd/", mount->dev);
576 system_printf("/bin/umount %s", tmp);
578 snprintf(tmp, 64, "%s%s", uci_path, mount->name);
580 mount_dump_uci_state();
585 void mount_dump_list(void)
588 list_for_each(p, &mounts)
590 struct mount *q = container_of(p, struct mount, list);
591 log_printf("* %s %s %d\n", q->name, q->dev, q->mounted);
595 char* is_mounted(char *block, char *path)
598 for(i = 0; i < mounted_count; i++)
601 if(!strncmp(&mounted[i][0][0], block, strlen(&mounted[i][0][0])))
602 return &mounted[i][0][0];
604 if(!strncmp(&mounted[i][1][1], &path[1], strlen(&mounted[i][1][0])))
605 return &mounted[i][0][0];
610 static void mount_check_mount_list(void)
612 FILE *fp = fopen("/proc/mounts", "r");
617 log_printf("error reading /proc/mounts");
622 while(fgets(tmp, 256, fp) != NULL)
625 t = strstr(tmp, " ");
631 strncpy(&mounted[mounted_count][0][0], tmp, MAX_MOUNT_NAME);
638 strncpy(&mounted[mounted_count][1][0], t, MAX_MOUNT_NAME);
645 strncpy(&mounted[mounted_count][2][0], t2, MAX_MOUNT_NAME);
646 /* printf("%s %s %s\n",
647 mounted[mounted_count][0],
648 mounted[mounted_count][1],
649 mounted[mounted_count][2]);*/
650 if(mounted_count < MAX_MOUNTED - 1)
653 log_printf("found more than %d mounts \n", MAX_MOUNTED);
658 /* FIXME: we need more intelligence here */
659 static int dir_filter2(const struct dirent *a)
661 if(!strncmp(a->d_name, "mmcblk", 6) || !strncmp(a->d_name, "sd", 2))
666 static char block[MAX_BLOCK][MAX_BLOCK];
667 static int blk_cnt = 0;
669 static int check_block(char *b)
672 for(i = 0; i < blk_cnt; i++)
674 if(!strcmp(block[i], b))
680 static void mount_enum_drives(void)
682 struct dirent **namelist, **namelist2;
683 int i, n = scandir("/sys/block/", &namelist, dir_filter2, dir_sort);
690 if(blk_cnt < MAX_BLOCK)
694 snprintf(tmp, 64, "/sys/block/%s/", namelist[n]->d_name);
695 m = scandir(tmp, &namelist2, dir_filter2, dir_sort);
700 strncpy(&block[blk_cnt][0], namelist2[m]->d_name, MAX_BLOCK);
706 strncpy(&block[blk_cnt][0], namelist[n]->d_name, MAX_BLOCK);
717 struct mount *q = container_of(p, struct mount, list);
719 struct uci_context *ctx;
722 snprintf(tmp, 64, "part%s", &q->dev[3]);
723 ctx = ucix_init("mountd");
724 t = ucix_get_option(ctx, "mountd", q->serial, tmp);
732 } else if(!strcmp(t, "1"))
734 if(strncmp(q->name, "Disc-", 5))
736 } else if(strcmp(q->name, t))
741 if(!check_block(q->dev)||del)
743 mount_dev_del(q->dev);
744 p->prev->next = p->next;
745 p->next->prev = p->prev;
747 log_printf("removing %s\n", q->dev);
748 snprintf(tmp, 64, "%s%s", "/tmp/run/mountd/", q->dev);
750 snprintf(tmp, 64, "%s%s", uci_path, q->name);
752 system_printf("ACTION=remove DEVICE=%s NAME=%s /sbin/hotplug-call mount", q->dev, q->name);
754 mount_dump_uci_state();
755 system_printf("/etc/fonstated/ReloadSamba");
759 for(i = 0; i < blk_cnt; i++)
760 mount_dev_add(block[i]);
763 static void mount_check_enum(void)
765 waitpid(-1, 0, WNOHANG);
769 void mount_init(void)
771 INIT_LIST_HEAD(&mounts);
772 timer_add(mount_check_mount_list, 2);
773 timer_add(mount_check_enum, 1);
774 mount_check_mount_list();