[Replicant] access to sdcard partitions (was: default rights on storage)

Fil Lupin fillupin at protonmail.com
Sat Sep 4 16:35:27 UTC 2021


It seems from https://redmine.replicant.us/projects/replicant/wiki/DataPartition no partition corresponds to sdcard0 or usbdisk0.

One of my application was Markor, which seems to look data into /storage/sdcard0/Documents by default. I did not change the default parameters from this application.

If no partition corresponds to /storage/sdcard0, I wonder where I could find those data.
Do you have any idea?

- Fil Lupin.

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Saturday, September 4th, 2021 at 2:48 PM, Fil Lupin via Replicant <replicant at osuosl.org> wrote:

> Hello,
> sorry for my first mail, sdcard0 and usbdisk0 are not mounted, my problem is obviously not a permission problem.
> I'll look this way to solve that.
>
> Happily, it could allow me to get back some data I lost while reinstalling since no data has been written on sdcard0 and usbdisk0, I could be able to get back data if it has not been wiped during installation.
> I read page https://redmine.replicant.us/projects/replicant/wiki/BackupTheDataPartition#Backing-up-the-data-partition and I get a backup (with adb pull) from every partition in /dev/block/platform/dw_mmc/ of my Galaxy S2. I imagine it could be sufficient to get my data back from sdcard0 and usbdisk0, I just need to understand how to access them. I you have any idea, I'm aware :)
>
> - Fil Lupin.
>
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> On Friday, September 3rd, 2021 at 12:00 AM, Fil Lupin via Replicant <replicant at osuosl.org> wrote:
>
>> Hi,
>> reinstalling replicant 4.2 worked !
>> However, I noticed that /storage is not configured the same for each mounting point :
>> -----
>> shell at android:/storage $ ls -la
>> drwxrwxr-x system system 2021-09-02 20:32 sdcard0
>> d---rwxr-x system sdcard_rw 1970-01-01 01:00 sdcard1
>> drwxrwxr-x system system 2021-09-02 20:32 usbdisk0
>>
>> 1|shell at android:/storage $ df
>> Filesystem Size Used Free Blksize
>> /dev 395.2M 48K 395.2M 4096
>> /mnt/secure 395.2M 0K 395.2M 4096
>> /mnt/asec 395.2M 0K 395.2M 4096
>> /mnt/obb 395.2M 0K 395.2M 4096
>> /mnt/fuse 395.2M 0K 395.2M 4096
>> /system 503.9M 241.6M 262.3M 4096
>> /cache 98.4M 54.9M 43.5M 4096
>> /efs 19.7M 8.1M 11.5M 4096
>> /data 2G 805.4M 1.2G 4096
>> /preload 503.9M 96.1M 407.8M 4096
>> /storage/sdcard1 29.7G 13.1G 16.6G 32768
>> -----
>> Currently, I can only write into /storage/sdcard1
>> /storage/sdcard0 and usbdisk0 should be writable but does not seem to be recognised.
>> I wiped sdcard when installing.
>> Did I forgot some steps? (perhaps is it due to the encryption of the phone before reinstallation)
>>
>> Regards,
>>
>> - Fil Lupin.
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