2d34a91be518cda9fb051527a9dccf0b9af13f26
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 * enum status - status of mount entry
39 * @STATUS_UNMOUNTED: currently not mounted
40 * @STATUS_MOUNTED: mounted & ready for usage
41 * @STATUS_IGNORE: entry should be ignored and never mounted
50 struct list_head list
;
63 static char *fs_names
[] = {
79 #define MAX_MOUNTED 32
80 #define MAX_MOUNT_NAME 32
82 static char mounted
[MAX_MOUNTED
][3][MAX_MOUNT_NAME
];
83 static int mounted_count
= 0;
84 extern char uci_path
[32];
86 static void mount_dump_uci_state(void)
88 struct uci_context
*ctx
;
90 char mountd
[] = {"mountd"};
91 char type
[] = {"mountd_disc"};
93 unsigned long long int size
= 0;
94 unlink("/var/state/mountd");
95 ctx
= ucix_init("mountd");
96 uci_set_savedir(ctx
, "/var/state/");
97 ucix_add_option_int(ctx
, mountd
, mountd
, "count", list_count(&mounts
));
98 list_for_each(p
, &mounts
)
100 struct mount
*q
= container_of(p
, struct mount
, list
);
102 if(q
->fs
== EXTENDED
)
104 ucix_add_section(ctx
, mountd
, q
->serial
, type
);
107 ucix_add_option(ctx
, mountd
, q
->serial
, "disc", t
);
108 ucix_add_option(ctx
, mountd
, q
->serial
, "sector_size", q
->sector_size
);
109 snprintf(t
, 64, "part%dmounted", atoi(&q
->dev
[3]));
110 ucix_add_option(ctx
, mountd
, q
->serial
, t
, q
->status
== STATUS_MOUNTED
? "1" : "0");
111 ucix_add_option(ctx
, mountd
, q
->serial
, "vendor", q
->vendor
);
112 ucix_add_option(ctx
, mountd
, q
->serial
, "model", q
->model
);
113 ucix_add_option(ctx
, mountd
, q
->serial
, "rev", q
->rev
);
114 snprintf(t
, 64, "size%d", atoi(&q
->dev
[3]));
115 ucix_add_option(ctx
, mountd
, q
->serial
, t
, q
->size
);
116 if(q
->fs
> MBR
&& q
->fs
<= LASTFS
)
118 snprintf(t
, 64, "fs%d", atoi(&q
->dev
[3]));
119 ucix_add_option(ctx
, mountd
, q
->serial
, t
, fs_names
[q
->fs
]);
121 if (q
->status
== STATUS_MOUNTED
)
123 if ((q
->status
!= STATUS_IGNORE
) && q
->size
&& q
->sector_size
)
124 size
= size
+ (((unsigned long long int)atoi(q
->size
)) * ((unsigned long long int)atoi(q
->sector_size
)));
126 ucix_add_option_int(ctx
, mountd
, mountd
, "mounted", mounted
);
127 ucix_add_option_int(ctx
, mountd
, mountd
, "total", size
);
128 system_printf("echo -n %llu > /tmp/run/mountd_size", size
);
129 ucix_save_state(ctx
, "mountd");
133 static struct mount
* mount_find(char *name
, char *dev
)
136 list_for_each(p
, &mounts
)
138 struct mount
*q
= container_of(p
, struct mount
, list
);
140 if(!strcmp(q
->name
, name
))
143 if(!strcmp(q
->dev
, dev
))
149 static void mount_add_list(char *name
, char *dev
, char *serial
,
150 char *vendor
, char *model
, char *rev
, int ignore
, char *size
, char *sector_size
, int fs
)
153 char tmp
[64], tmp2
[64];
155 mount
= malloc(sizeof(struct mount
));
156 INIT_LIST_HEAD(&mount
->list
);
157 strncpy(mount
->vendor
, vendor
, 64);
158 strncpy(mount
->model
, model
, 64);
159 strncpy(mount
->rev
, rev
, 64);
160 strncpy(mount
->name
, name
, 64);
161 strncpy(mount
->dev
, dev
, 64);
162 strncpy(mount
->serial
, serial
, 64);
163 strncpy(mount
->size
, size
, 64);
164 strncpy(mount
->sector_size
, sector_size
, 64);
165 mount
->status
= STATUS_UNMOUNTED
;
167 list_add(&mount
->list
, &mounts
);
170 mount
->status
= STATUS_IGNORE
;
172 log_printf("new mount : %s -> %s (%s)\n", name
, dev
, fs_names
[mount
->fs
]);
173 snprintf(tmp
, 64, "%s%s", uci_path
, name
);
174 snprintf(tmp2
, 64, "/tmp/run/mountd/%s", dev
);
176 if (!mount_new("/tmp/run/mountd/", dev
))
177 system_printf("ACTION=add DEVICE=%s NAME=%s /sbin/hotplug-call mount", dev
, name
);
181 static int mount_check_disc(char *disc
)
183 FILE *fp
= fopen("/proc/mounts", "r");
188 log_printf("error reading /proc/mounts");
191 while((fgets(tmp
, 256, fp
) != NULL
) && (avail
== -1))
195 t
= strstr(tmp
, " ");
200 l
= snprintf(tmp2
, 31, "/dev/%s", disc
);
202 if(!strncmp(tmp
, tmp2
, l
))
210 static int mount_wait_for_disc(char *disc
)
215 int ret
= mount_check_disc(disc
);
223 int mount_new(char *path
, char *dev
)
229 mount
= mount_find(0, dev
);
232 log_printf("request for invalid path %s%s\n", path
, dev
);
235 if (mount
->status
== STATUS_IGNORE
|| mount
->status
== STATUS_MOUNTED
|| mount
->fs
== EXTENDED
)
237 snprintf(tmp
, 256, "%s%s", path
, mount
->dev
);
238 log_printf("mounting %s\n", tmp
);
241 pid
= autofs_safe_fork();
244 char *options
, *fstype
;
245 if(mount
->fs
== EXFAT
)
247 options
= "rw,uid=1000,gid=1000";
252 options
= "rw,uid=1000,gid=1000";
255 if(mount
->fs
== EXT4
)
257 options
= "rw,defaults";
260 if(mount
->fs
== EXT3
)
262 options
= "rw,defaults";
265 if(mount
->fs
== EXT2
)
267 options
= "rw,defaults";
270 if(mount
->fs
== HFSPLUS
)
272 options
= "rw,defaults,uid=1000,gid=1000";
275 if(mount
->fs
== HFSPLUSJOURNAL
)
277 options
= "ro,defaults,uid=1000,gid=1000";
280 if(mount
->fs
== NTFS
)
285 if(mount
->fs
> MBR
&& mount
->fs
<= LASTFS
)
287 struct uci_context
*ctx
;
288 char *uci_options
, *uci_fstype
;
289 ctx
= ucix_init("mountd");
290 if(fs_names
[mount
->fs
])
292 uci_options
= ucix_get_option(ctx
, "mountd", fs_names
[mount
->fs
], "options");
293 uci_fstype
= ucix_get_option(ctx
, "mountd", fs_names
[mount
->fs
], "fstype");
295 options
= uci_options
;
298 log_printf("mount -t %s -o %s /dev/%s %s", fstype
, options
, mount
->dev
, tmp
);
299 ret
= system_printf("mount -t %s -o %s /dev/%s %s", fstype
, options
, mount
->dev
, tmp
);
303 exit(WEXITSTATUS(ret
));
305 pid
= waitpid(pid
, &ret
, 0);
306 ret
= WEXITSTATUS(ret
);
307 log_printf("----------> mount ret = %d\n", ret
);
308 if (ret
&& ret
!= 0xff) {
312 if(mount_wait_for_disc(mount
->dev
) == 0)
314 mount
->status
= STATUS_MOUNTED
;
315 mount_dump_uci_state();
320 int mount_remove(char *path
, char *dev
)
325 snprintf(tmp
, 256, "%s%s", path
, dev
);
326 log_printf("%s has expired... unmounting\n", tmp
);
327 ret
= system_printf("/bin/umount %s", tmp
);
331 mount
= mount_find(0, dev
);
333 mount
->status
= STATUS_UNMOUNTED
;
334 log_printf("finished unmounting\n");
335 mount_dump_uci_state();
339 static int dir_sort(const struct dirent
**a
, const struct dirent
**b
)
344 static int dir_filter(const struct dirent
*a
)
346 if(strstr(a
->d_name
, ":"))
351 static char* mount_get_serial(char *dev
)
354 static char tmp2
[64];
356 static struct hd_driveid hd
;
359 static char disc_id
[13];
360 snprintf(tmp
, 64, "/dev/%s", dev
);
361 disc
= open(tmp
, O_RDONLY
);
364 log_printf("Trying to open unknown disc\n");
367 i
= ioctl(disc
, HDIO_GET_IDENTITY
, &hd
);
370 serial
= (char*)hd
.serial_no
;
371 /* if we failed, it probably a usb storage device */
372 /* there must be a better way for this */
375 struct dirent
**namelist
;
376 int n
= scandir("/sys/bus/scsi/devices/", &namelist
, dir_filter
, dir_sort
);
381 char *t
= strstr(namelist
[n
]->d_name
, ":");
389 id
= atoi(namelist
[n
]->d_name
);
391 sprintf(tmp3
, "/sys/bus/scsi/devices/%s/block:%s/", namelist
[n
]->d_name
, dev
);
392 ret
= stat(tmp3
, &buf
);
395 sprintf(tmp3
, "/sys/bus/scsi/devices/%s/block/%s/", namelist
[n
]->d_name
, dev
);
396 ret
= stat(tmp3
, &buf
);
401 snprintf(tmp2
, 64, "/proc/scsi/usb-storage/%d", id
);
402 fp
= fopen(tmp2
, "r");
405 while(fgets(tmp2
, 64, fp
) != NULL
)
407 serial
= strstr(tmp2
, "Serial Number:");
410 serial
+= strlen("Serial Number: ");
411 serial
[strlen(serial
) - 1] = '\0';
427 log_printf("could not find a serial number for the device %s\n", dev
);
429 /* serial string id is cheap, but makes the discs anonymous */
430 unsigned char uniq
[6];
431 unsigned int *u
= (unsigned int*) uniq
;
432 int l
= strlen(serial
);
434 memset(disc_id
, 0, 13);
436 for(i
= 0; i
< l
; i
++)
438 uniq
[i
%6] += serial
[i
];
440 sprintf(disc_id
, "%08X%02X%02X", *u
, uniq
[4], uniq
[5]);
441 //log_printf("Serial number - %s %s\n", serial, disc_id);
444 sprintf(disc_id
, "000000000000");
448 static void mount_dev_add(char *dev
)
450 struct mount
*mount
= mount_find(0, dev
);
460 struct uci_context
*ctx
;
465 char sector_size
[64];
471 if (!strncmp(name
, "mmcblk", 6))
474 s
= mount_get_serial(name
);
478 if (!strncmp(name
, "mmcblk", 6)) {
479 snprintf(tmp
, 64, "part%s", &dev
[8]);
480 snprintf(node
, 64, "SD-P%s", &dev
[8]);
483 snprintf(tmp
, 64, "part%s", &dev
[3]);
484 snprintf(node
, 64, "USB-%s", &dev
[2]);
486 if(node
[4] >= 'a' && node
[4] <= 'z')
491 ctx
= ucix_init("mountd");
492 p
= ucix_get_option(ctx
, "mountd", s
, tmp
);
501 snprintf(node
, 64, "%s", p
);
506 snprintf(tmp
, 64, "/sys/class/block/%s/device/model", name
);
507 fp
= fopen(tmp
, "r");
510 snprintf(tmp
, 64, "/sys/block/%s/device/model", name
);
511 fp
= fopen(tmp
, "r");
514 snprintf(model
, 64, "unknown");
516 fgets(model
, 64, fp
);
517 model
[strlen(model
) - 1] = '\0';;
520 snprintf(tmp
, 64, "/sys/class/block/%s/device/vendor", name
);
521 fp
= fopen(tmp
, "r");
524 snprintf(tmp
, 64, "/sys/block/%s/device/vendor", name
);
525 fp
= fopen(tmp
, "r");
528 snprintf(vendor
, 64, "unknown");
530 fgets(vendor
, 64, fp
);
531 vendor
[strlen(vendor
) - 1] = '\0';
534 snprintf(tmp
, 64, "/sys/class/block/%s/device/rev", name
);
535 fp
= fopen(tmp
, "r");
538 snprintf(tmp
, 64, "/sys/block/%s/device/rev", name
);
539 fp
= fopen(tmp
, "r");
542 snprintf(rev
, 64, "unknown");
545 rev
[strlen(rev
) - 1] = '\0';
548 snprintf(tmp
, 64, "/sys/class/block/%s/size", dev
);
549 fp
= fopen(tmp
, "r");
552 snprintf(tmp
, 64, "/sys/block/%s/%s/size", name
, dev
);
553 fp
= fopen(tmp
, "r");
556 snprintf(size
, 64, "unknown");
559 size
[strlen(size
) - 1] = '\0';
564 snprintf(tmp
, 64, "/sys/block/%s/queue/hw_sector_size", tmp2
);
565 fp
= fopen(tmp
, "r");
567 snprintf(sector_size
, 64, "unknown");
569 fgets(sector_size
, 64, fp
);
570 sector_size
[strlen(sector_size
) - 1] = '\0';
573 snprintf(tmp
, 64, "/dev/%s", dev
);
575 if (fs
<= MBR
|| fs
> LASTFS
) {
578 mount_add_list(node
, dev
, s
, vendor
, model
, rev
, ignore
, size
, sector_size
, fs
);
579 mount_dump_uci_state();
583 static void mount_dev_del(struct mount
*mount
)
587 if (mount
->status
== STATUS_MOUNTED
) {
588 snprintf(tmp
, 256, "%s%s", "/tmp/run/mountd/", mount
->name
);
589 log_printf("%s has dissappeared ... unmounting\n", tmp
);
590 snprintf(tmp
, 256, "%s%s", "/tmp/run/mountd/", mount
->dev
);
591 system_printf("/bin/umount %s", tmp
);
593 snprintf(tmp
, 64, "%s%s", uci_path
, mount
->name
);
595 mount_dump_uci_state();
599 void mount_dump_list(void)
602 list_for_each(p
, &mounts
)
604 struct mount
*q
= container_of(p
, struct mount
, list
);
605 log_printf("* %s %s %d\n", q
->name
, q
->dev
, q
->status
== STATUS_MOUNTED
);
609 char* is_mounted(char *block
, char *path
)
612 for(i
= 0; i
< mounted_count
; i
++)
615 if(!strncmp(&mounted
[i
][0][0], block
, strlen(&mounted
[i
][0][0])))
616 return &mounted
[i
][0][0];
618 if(!strncmp(&mounted
[i
][1][1], &path
[1], strlen(&mounted
[i
][1][0])))
619 return &mounted
[i
][0][0];
624 static void mount_update_mount_list(void)
626 FILE *fp
= fopen("/proc/mounts", "r");
631 log_printf("error reading /proc/mounts");
635 while(fgets(tmp
, 256, fp
) != NULL
)
639 if (mounted_count
+ 1 > MAX_MOUNTED
) {
640 log_printf("found more than %d mounts \n", MAX_MOUNTED
);
644 t
= strstr(tmp
, " ");
650 strncpy(&mounted
[mounted_count
][0][0], tmp
, MAX_MOUNT_NAME
);
657 strncpy(&mounted
[mounted_count
][1][0], t
, MAX_MOUNT_NAME
);
664 strncpy(&mounted
[mounted_count
][2][0], t2
, MAX_MOUNT_NAME
);
665 /* printf("%s %s %s\n",
666 mounted[mounted_count][0],
667 mounted[mounted_count][1],
668 mounted[mounted_count][2]);*/
675 /* FIXME: we need more intelligence here */
676 static int dir_filter2(const struct dirent
*a
)
678 if(!strncmp(a
->d_name
, "mmcblk", 6) || !strncmp(a
->d_name
, "sd", 2))
683 static char block
[MAX_BLOCK
][MAX_BLOCK
];
684 static int blk_cnt
= 0;
686 static int check_block(char *b
)
689 for(i
= 0; i
< blk_cnt
; i
++)
691 if(!strcmp(block
[i
], b
))
697 static void mount_enum_drives(void)
699 struct dirent
**namelist
, **namelist2
;
700 int i
, n
= scandir("/sys/block/", &namelist
, dir_filter2
, dir_sort
);
707 if(blk_cnt
< MAX_BLOCK
)
711 snprintf(tmp
, 64, "/sys/block/%s/", namelist
[n
]->d_name
);
712 m
= scandir(tmp
, &namelist2
, dir_filter2
, dir_sort
);
717 strncpy(&block
[blk_cnt
][0], namelist2
[m
]->d_name
, MAX_BLOCK
);
723 strncpy(&block
[blk_cnt
][0], namelist
[n
]->d_name
, MAX_BLOCK
);
734 struct mount
*q
= container_of(p
, struct mount
, list
);
736 struct uci_context
*ctx
;
739 snprintf(tmp
, 64, "part%s", &q
->dev
[3]);
740 ctx
= ucix_init("mountd");
741 t
= ucix_get_option(ctx
, "mountd", q
->serial
, tmp
);
743 if (t
&& q
->status
!= STATUS_MOUNTED
)
747 if (q
->status
!= STATUS_IGNORE
)
749 } else if(!strcmp(t
, "1"))
751 if(strncmp(q
->name
, "Disc-", 5))
753 } else if(strcmp(q
->name
, t
))
758 if(!check_block(q
->dev
)||del
)
761 p
->prev
->next
= p
->next
;
762 p
->next
->prev
= p
->prev
;
764 log_printf("removing %s\n", q
->dev
);
765 if (q
->status
== STATUS_MOUNTED
) {
766 snprintf(tmp
, 64, "%s%s", "/tmp/run/mountd/", q
->dev
);
768 snprintf(tmp
, 64, "%s%s", uci_path
, q
->name
);
770 system_printf("ACTION=remove DEVICE=%s NAME=%s /sbin/hotplug-call mount", q
->dev
, q
->name
);
773 mount_dump_uci_state();
774 system_printf("/etc/fonstated/ReloadSamba");
778 for(i
= 0; i
< blk_cnt
; i
++)
779 mount_dev_add(block
[i
]);
782 static void mount_check_enum(void)
784 waitpid(-1, 0, WNOHANG
);
788 void mount_init(void)
790 INIT_LIST_HEAD(&mounts
);
791 timer_add(mount_update_mount_list
, 2);
792 timer_add(mount_check_enum
, 1);
793 mount_update_mount_list();