1b3e8f420f32d68439292ae5afc8dc93e8c5941e
9 #include <linux/hdreg.h>
13 #include <sys/inotify.h>
15 #include <sys/types.h>
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"
31 int mount_new(char *path
, char *dev
);
33 struct list_head mounts
;
36 struct list_head list
;
64 #define MAX_MOUNTED 32
65 #define MAX_MOUNT_NAME 32
67 char mounted
[MAX_MOUNTED
][3][MAX_MOUNT_NAME
];
68 int mounted_count
= 0;
69 extern char uci_path
[32];
71 static void mount_dump_uci_state(void)
73 struct uci_context
*ctx
;
75 char mountd
[] = {"mountd"};
76 char type
[] = {"mountd_disc"};
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
)
85 struct mount
*q
= container_of(p
, struct mount
, list
);
89 ucix_add_section(ctx
, mountd
, q
->serial
, type
);
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
)
103 snprintf(t
, 64, "fs%d", atoi(&q
->dev
[3]));
104 ucix_add_option(ctx
, mountd
, q
->serial
, t
, fs_names
[q
->fs
]);
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
)));
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");
118 static struct mount
* mount_find(char *name
, char *dev
)
121 list_for_each(p
, &mounts
)
123 struct mount
*q
= container_of(p
, struct mount
, list
);
125 if(!strcmp(q
->name
, name
))
128 if(!strcmp(q
->dev
, dev
))
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
)
138 char tmp
[64], tmp2
[64];
139 if(fs
<= MBR
|| fs
> EXT4
)
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
;
154 list_add(&mount
->list
, &mounts
);
155 if((!mount
->ignore
) && (mount
->fs
> MBR
) && (mount
->fs
<= EXT4
))
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
);
161 mount_new("/tmp/run/mountd/", dev
);
165 static int mount_check_disc(char *disc
)
167 FILE *fp
= fopen("/proc/mounts", "r");
172 log_printf("error reading /proc/mounts");
176 while((fgets(tmp
, 256, fp
) > 0) && (avail
== -1))
180 t
= strstr(tmp
, " ");
185 l
= snprintf(tmp2
, 31, "/dev/%s", disc
);
187 if(!strncmp(tmp
, tmp2
, l
))
195 static int mount_wait_for_disc(char *disc
)
200 int ret
= mount_check_disc(disc
);
208 int mount_new(char *path
, char *dev
)
214 mount
= mount_find(0, dev
);
217 log_printf("request for invalid path %s%s\n", path
, dev
);
220 if(mount
->ignore
|| mount
->mounted
|| mount
->fs
== EXTENDED
)
222 snprintf(tmp
, 256, "%s%s", path
, mount
->dev
);
223 log_printf("mounting %s\n", tmp
);
226 pid
= autofs_safe_fork();
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
);
234 if(mount
->fs
== EXT4
)
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
);
239 if(mount
->fs
== EXT3
)
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
);
244 if(mount
->fs
== EXT2
)
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
);
249 if(mount
->fs
== HFSPLUS
)
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
);
254 if(mount
->fs
== NTFS
)
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
);
259 exit(WEXITSTATUS(ret
));
261 pid
= waitpid(pid
, &ret
, 0);
262 ret
= WEXITSTATUS(ret
);
263 log_printf("----------> mount ret = %d\n", ret
);
264 if(ret
&& (ret
!= 0xff))
266 if(mount_wait_for_disc(mount
->dev
) == 0)
269 mount_dump_uci_state();
274 int mount_remove(char *path
, char *dev
)
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
);
285 mount
= mount_find(0, dev
);
288 log_printf("finished unmounting\n");
289 mount_dump_uci_state();
293 static int dir_sort(const struct dirent
**a
, const struct dirent
**b
)
298 static int dir_filter(const struct dirent
*a
)
300 if(strstr(a
->d_name
, ":"))
305 static char* mount_get_serial(char *dev
)
308 static char tmp2
[64];
310 static struct hd_driveid hd
;
313 snprintf(tmp
, 64, "/dev/%s", dev
);
314 disc
= open(tmp
, O_RDONLY
);
317 log_printf("Trying to open unknown disc\n");
320 i
= ioctl(disc
, HDIO_GET_IDENTITY
, &hd
);
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 */
328 struct dirent
**namelist
;
329 int n
= scandir("/sys/bus/scsi/devices/", &namelist
, dir_filter
, dir_sort
);
334 char *t
= strstr(namelist
[n
]->d_name
, ":");
342 id
= atoi(namelist
[n
]->d_name
);
344 sprintf(tmp3
, "/sys/bus/scsi/devices/%s/block:%s/", namelist
[n
]->d_name
, dev
);
345 ret
= stat(tmp3
, &buf
);
348 sprintf(tmp3
, "/sys/bus/scsi/devices/%s/block/%s/", namelist
[n
]->d_name
, dev
);
349 ret
= stat(tmp3
, &buf
);
354 snprintf(tmp2
, 64, "/proc/scsi/usb-storage/%d", id
);
355 fp
= fopen(tmp2
, "r");
358 while(fgets(tmp2
, 64, fp
) > 0)
360 serial
= strstr(tmp2
, "Serial Number:");
363 serial
+= strlen("Serial Number: ");
364 serial
[strlen(serial
) - 1] = '\0';
380 log_printf("could not find a serial number for the device %s\n", dev
);
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
);
387 static char disc_id
[13];
388 memset(disc_id
, 0, 13);
390 for(i
= 0; i
< l
; i
++)
392 uniq
[i
%6] += serial
[i
];
394 sprintf(disc_id
, "%08X%02X%02X", *u
, uniq
[4], uniq
[5]);
395 //log_printf("Serial number - %s %s\n", serial, disc_id);
401 static void mount_dev_add(char *dev
)
403 struct mount
*mount
= mount_find(0, dev
);
413 struct uci_context
*ctx
;
418 char sector_size
[64];
422 s
= mount_get_serial(name
);
425 snprintf(tmp
, 64, "part%s", &dev
[3]);
426 snprintf(node
, 64, "Disc-%s", &dev
[2]);
427 if(node
[5] >= 'a' && node
[5] <= 'z')
432 ctx
= ucix_init("mountd");
433 p
= ucix_get_option(ctx
, "mountd", s
, tmp
);
442 snprintf(node
, 64, "%s", p
);
447 snprintf(tmp
, 64, "/sys/class/block/%s/device/model", name
);
448 fp
= fopen(tmp
, "r");
451 snprintf(tmp
, 64, "/sys/block/%s/device/model", name
);
452 fp
= fopen(tmp
, "r");
455 snprintf(model
, 64, "unknown");
457 fgets(model
, 64, fp
);
458 model
[strlen(model
) - 1] = '\0';;
461 snprintf(tmp
, 64, "/sys/class/block/%s/device/vendor", name
);
462 fp
= fopen(tmp
, "r");
465 snprintf(tmp
, 64, "/sys/block/%s/device/vendor", name
);
466 fp
= fopen(tmp
, "r");
469 snprintf(vendor
, 64, "unknown");
471 fgets(vendor
, 64, fp
);
472 vendor
[strlen(vendor
) - 1] = '\0';
475 snprintf(tmp
, 64, "/sys/class/block/%s/device/rev", name
);
476 fp
= fopen(tmp
, "r");
479 snprintf(tmp
, 64, "/sys/block/%s/device/rev", name
);
480 fp
= fopen(tmp
, "r");
483 snprintf(rev
, 64, "unknown");
486 rev
[strlen(rev
) - 1] = '\0';
489 snprintf(tmp
, 64, "/sys/class/block/%s/size", dev
);
490 fp
= fopen(tmp
, "r");
493 snprintf(tmp
, 64, "/sys/block/%s/%s/size", name
, dev
);
494 fp
= fopen(tmp
, "r");
497 snprintf(size
, 64, "unknown");
500 size
[strlen(size
) - 1] = '\0';
505 snprintf(tmp
, 64, "/sys/block/%s/queue/hw_sector_size", tmp2
);
506 fp
= fopen(tmp
, "r");
508 snprintf(sector_size
, 64, "unknown");
510 fgets(sector_size
, 64, fp
);
511 sector_size
[strlen(sector_size
) - 1] = '\0';
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();
520 static void mount_dev_del(char *dev
)
522 struct mount
*mount
= mount_find(0, dev
);
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
);
533 snprintf(tmp
, 64, "%s%s", uci_path
, mount
->name
);
535 mount_dump_uci_state();
540 void mount_dump_list(void)
543 list_for_each(p
, &mounts
)
545 struct mount
*q
= container_of(p
, struct mount
, list
);
546 log_printf("* %s %s %d\n", q
->name
, q
->dev
, q
->mounted
);
550 char* is_mounted(char *block
, char *path
)
553 for(i
= 0; i
< mounted_count
; i
++)
556 if(!strncmp(&mounted
[i
][0][0], block
, strlen(&mounted
[i
][0][0])))
557 return &mounted
[i
][0][0];
559 if(!strncmp(&mounted
[i
][1][1], &path
[1], strlen(&mounted
[i
][1][0])))
560 return &mounted
[i
][0][0];
565 static void mount_check_mount_list(void)
567 FILE *fp
= fopen("/proc/mounts", "r");
572 log_printf("error reading /proc/mounts");
577 while(fgets(tmp
, 256, fp
) > 0)
580 t
= strstr(tmp
, " ");
586 strncpy(&mounted
[mounted_count
][0][0], tmp
, MAX_MOUNT_NAME
);
593 strncpy(&mounted
[mounted_count
][1][0], t
, MAX_MOUNT_NAME
);
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)
608 log_printf("found more than %d mounts \n", MAX_MOUNTED
);
613 /* FIXME: we need more intelligence here */
614 static int dir_filter2(const struct dirent
*a
)
616 if(/*strcmp(a->d_name, "sda") &&*/(!strncmp(a
->d_name
, "sd", 2)))
621 char block
[MAX_BLOCK
][MAX_BLOCK
];
624 static int check_block(char *b
)
627 for(i
= 0; i
< blk_cnt
; i
++)
629 if(!strcmp(block
[i
], b
))
635 static void mount_enum_drives(void)
637 struct dirent
**namelist
, **namelist2
;
638 int i
, n
= scandir("/sys/block/", &namelist
, dir_filter2
, dir_sort
);
645 if(blk_cnt
< MAX_BLOCK
)
649 snprintf(tmp
, 64, "/sys/block/%s/", namelist
[n
]->d_name
);
650 m
= scandir(tmp
, &namelist2
, dir_filter2
, dir_sort
);
653 strncpy(&block
[blk_cnt
][0], namelist2
[m
]->d_name
, MAX_BLOCK
);
666 struct mount
*q
= container_of(p
, struct mount
, list
);
668 struct uci_context
*ctx
;
671 snprintf(tmp
, 64, "part%s", &q
->dev
[3]);
672 ctx
= ucix_init("mountd");
673 t
= ucix_get_option(ctx
, "mountd", q
->serial
, tmp
);
681 } else if(!strcmp(t
, "1"))
683 if(strncmp(q
->name
, "Disc-", 5))
685 } else if(strcmp(q
->name
, t
))
690 if(!check_block(q
->dev
)||del
)
692 mount_dev_del(q
->dev
);
693 p
->prev
->next
= p
->next
;
694 p
->next
->prev
= p
->prev
;
696 log_printf("removing %s\n", q
->dev
);
697 snprintf(tmp
, 64, "%s%s", uci_path
, q
->name
);
699 system_printf("/etc/mountd/event remove %s %s", q
->dev
, q
->name
);
701 mount_dump_uci_state();
702 system_printf("/etc/fonstated/ReloadSamba");
706 for(i
= 0; i
< blk_cnt
; i
++)
707 mount_dev_add(block
[i
]);
710 static void mount_check_enum(void)
712 waitpid(-1, 0, WNOHANG
);
716 void mount_init(void)
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();