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);
164 system_printf("ACTION=add DEVICE=%s NAME=%s /sbin/hotplug-call mount", dev, name);
168 static int mount_check_disc(char *disc)
170 FILE *fp = fopen("/proc/mounts", "r");
175 log_printf("error reading /proc/mounts");
179 while((fgets(tmp, 256, fp) > 0) && (avail == -1))
183 t = strstr(tmp, " ");
188 l = snprintf(tmp2, 31, "/dev/%s", disc);
190 if(!strncmp(tmp, tmp2, l))
198 static int mount_wait_for_disc(char *disc)
203 int ret = mount_check_disc(disc);
211 int mount_new(char *path, char *dev)
217 mount = mount_find(0, dev);
220 log_printf("request for invalid path %s%s\n", path, dev);
223 if(mount->ignore || mount->mounted || mount->fs == EXTENDED)
225 snprintf(tmp, 256, "%s%s", path, mount->dev);
226 log_printf("mounting %s\n", tmp);
229 pid = autofs_safe_fork();
232 char *options, *fstype;
233 if(mount->fs == EXFAT)
235 options = "rw,uid=1000,gid=1000";
240 options = "rw,uid=1000,gid=1000";
243 if(mount->fs == EXT4)
245 options = "rw,defaults";
248 if(mount->fs == EXT3)
250 options = "rw,defaults";
253 if(mount->fs == EXT2)
255 options = "rw,defaults";
258 if(mount->fs == HFSPLUS)
260 options = "rw,defaults,uid=1000,gid=1000";
263 if(mount->fs == NTFS)
268 if(mount->fs > MBR && mount->fs <= EXT4)
270 struct uci_context *ctx;
271 char *uci_options, *uci_fstype;
272 ctx = ucix_init("mountd");
273 if(fs_names[mount->fs])
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");
278 options = uci_options;
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);
286 exit(WEXITSTATUS(ret));
288 pid = waitpid(pid, &ret, 0);
289 ret = WEXITSTATUS(ret);
290 log_printf("----------> mount ret = %d\n", ret);
291 if(ret && (ret != 0xff))
293 if(mount_wait_for_disc(mount->dev) == 0)
296 mount_dump_uci_state();
301 int mount_remove(char *path, char *dev)
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);
312 mount = mount_find(0, dev);
315 log_printf("finished unmounting\n");
316 mount_dump_uci_state();
320 static int dir_sort(const struct dirent **a, const struct dirent **b)
325 static int dir_filter(const struct dirent *a)
327 if(strstr(a->d_name, ":"))
332 static char* mount_get_serial(char *dev)
335 static char tmp2[64];
337 static struct hd_driveid hd;
340 static char disc_id[13];
341 snprintf(tmp, 64, "/dev/%s", dev);
342 disc = open(tmp, O_RDONLY);
345 log_printf("Trying to open unknown disc\n");
348 i = ioctl(disc, HDIO_GET_IDENTITY, &hd);
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 */
356 struct dirent **namelist;
357 int n = scandir("/sys/bus/scsi/devices/", &namelist, dir_filter, dir_sort);
362 char *t = strstr(namelist[n]->d_name, ":");
370 id = atoi(namelist[n]->d_name);
372 sprintf(tmp3, "/sys/bus/scsi/devices/%s/block:%s/", namelist[n]->d_name, dev);
373 ret = stat(tmp3, &buf);
376 sprintf(tmp3, "/sys/bus/scsi/devices/%s/block/%s/", namelist[n]->d_name, dev);
377 ret = stat(tmp3, &buf);
382 snprintf(tmp2, 64, "/proc/scsi/usb-storage/%d", id);
383 fp = fopen(tmp2, "r");
386 while(fgets(tmp2, 64, fp) > 0)
388 serial = strstr(tmp2, "Serial Number:");
391 serial += strlen("Serial Number: ");
392 serial[strlen(serial) - 1] = '\0';
408 log_printf("could not find a serial number for the device %s\n", dev);
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);
415 memset(disc_id, 0, 13);
417 for(i = 0; i < l; i++)
419 uniq[i%6] += serial[i];
421 sprintf(disc_id, "%08X%02X%02X", *u, uniq[4], uniq[5]);
422 //log_printf("Serial number - %s %s\n", serial, disc_id);
425 sprintf(disc_id, "000000000000");
429 static void mount_dev_add(char *dev)
431 struct mount *mount = mount_find(0, dev);
441 struct uci_context *ctx;
446 char sector_size[64];
451 if (!strncmp(name, "mmcblk", 6))
454 s = mount_get_serial(name);
458 if (!strncmp(name, "mmcblk", 6)) {
459 snprintf(tmp, 64, "part%s", &dev[8]);
460 snprintf(node, 64, "SD-P%s", &dev[8]);
463 snprintf(tmp, 64, "part%s", &dev[3]);
464 snprintf(node, 64, "USB-%s", &dev[2]);
466 if(node[4] >= 'a' && node[4] <= 'z')
471 ctx = ucix_init("mountd");
472 p = ucix_get_option(ctx, "mountd", s, tmp);
481 snprintf(node, 64, "%s", p);
486 snprintf(tmp, 64, "/sys/class/block/%s/device/model", name);
487 fp = fopen(tmp, "r");
490 snprintf(tmp, 64, "/sys/block/%s/device/model", name);
491 fp = fopen(tmp, "r");
494 snprintf(model, 64, "unknown");
496 fgets(model, 64, fp);
497 model[strlen(model) - 1] = '\0';;
500 snprintf(tmp, 64, "/sys/class/block/%s/device/vendor", name);
501 fp = fopen(tmp, "r");
504 snprintf(tmp, 64, "/sys/block/%s/device/vendor", name);
505 fp = fopen(tmp, "r");
508 snprintf(vendor, 64, "unknown");
510 fgets(vendor, 64, fp);
511 vendor[strlen(vendor) - 1] = '\0';
514 snprintf(tmp, 64, "/sys/class/block/%s/device/rev", name);
515 fp = fopen(tmp, "r");
518 snprintf(tmp, 64, "/sys/block/%s/device/rev", name);
519 fp = fopen(tmp, "r");
522 snprintf(rev, 64, "unknown");
525 rev[strlen(rev) - 1] = '\0';
528 snprintf(tmp, 64, "/sys/class/block/%s/size", dev);
529 fp = fopen(tmp, "r");
532 snprintf(tmp, 64, "/sys/block/%s/%s/size", name, dev);
533 fp = fopen(tmp, "r");
536 snprintf(size, 64, "unknown");
539 size[strlen(size) - 1] = '\0';
544 snprintf(tmp, 64, "/sys/block/%s/queue/hw_sector_size", tmp2);
545 fp = fopen(tmp, "r");
547 snprintf(sector_size, 64, "unknown");
549 fgets(sector_size, 64, fp);
550 sector_size[strlen(sector_size) - 1] = '\0';
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();
559 static void mount_dev_del(char *dev)
561 struct mount *mount = mount_find(0, dev);
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);
572 snprintf(tmp, 64, "%s%s", uci_path, mount->name);
574 mount_dump_uci_state();
579 void mount_dump_list(void)
582 list_for_each(p, &mounts)
584 struct mount *q = container_of(p, struct mount, list);
585 log_printf("* %s %s %d\n", q->name, q->dev, q->mounted);
589 char* is_mounted(char *block, char *path)
592 for(i = 0; i < mounted_count; i++)
595 if(!strncmp(&mounted[i][0][0], block, strlen(&mounted[i][0][0])))
596 return &mounted[i][0][0];
598 if(!strncmp(&mounted[i][1][1], &path[1], strlen(&mounted[i][1][0])))
599 return &mounted[i][0][0];
604 static void mount_check_mount_list(void)
606 FILE *fp = fopen("/proc/mounts", "r");
611 log_printf("error reading /proc/mounts");
616 while(fgets(tmp, 256, fp) > 0)
619 t = strstr(tmp, " ");
625 strncpy(&mounted[mounted_count][0][0], tmp, MAX_MOUNT_NAME);
632 strncpy(&mounted[mounted_count][1][0], t, MAX_MOUNT_NAME);
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)
647 log_printf("found more than %d mounts \n", MAX_MOUNTED);
652 /* FIXME: we need more intelligence here */
653 static int dir_filter2(const struct dirent *a)
655 if(!strncmp(a->d_name, "mmcblk", 6) || !strncmp(a->d_name, "sd", 2))
660 char block[MAX_BLOCK][MAX_BLOCK];
663 static int check_block(char *b)
666 for(i = 0; i < blk_cnt; i++)
668 if(!strcmp(block[i], b))
674 static void mount_enum_drives(void)
676 struct dirent **namelist, **namelist2;
677 int i, n = scandir("/sys/block/", &namelist, dir_filter2, dir_sort);
684 if(blk_cnt < MAX_BLOCK)
688 snprintf(tmp, 64, "/sys/block/%s/", namelist[n]->d_name);
689 m = scandir(tmp, &namelist2, dir_filter2, dir_sort);
692 strncpy(&block[blk_cnt][0], namelist2[m]->d_name, MAX_BLOCK);
705 struct mount *q = container_of(p, struct mount, list);
707 struct uci_context *ctx;
710 snprintf(tmp, 64, "part%s", &q->dev[3]);
711 ctx = ucix_init("mountd");
712 t = ucix_get_option(ctx, "mountd", q->serial, tmp);
720 } else if(!strcmp(t, "1"))
722 if(strncmp(q->name, "Disc-", 5))
724 } else if(strcmp(q->name, t))
729 if(!check_block(q->dev)||del)
731 mount_dev_del(q->dev);
732 p->prev->next = p->next;
733 p->next->prev = p->prev;
735 log_printf("removing %s\n", q->dev);
736 snprintf(tmp, 64, "%s%s", uci_path, q->name);
738 system_printf("ACTION=remove DEVICE=%s NAME=%s /sbin/hotplug-call mount", q->dev, q->name);
740 mount_dump_uci_state();
741 system_printf("/etc/fonstated/ReloadSamba");
745 for(i = 0; i < blk_cnt; i++)
746 mount_dev_add(block[i]);
749 static void mount_check_enum(void)
751 waitpid(-1, 0, WNOHANG);
755 void mount_init(void)
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();