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Linux/macOS: fix hidden volume FAT size limit

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The Unix volume creation wizard applied the FAT32 sector-count limit as a blanket check for device-hosted hidden-volume outer volumes. On 512e disks Linux reports 512-byte logical sectors, so this incorrectly rejected larger device-hosted outer volumes even when the selected outer filesystem was not FAT.

Compute the actual VeraCrypt filesystem/data area size through a shared helper and apply the FAT32 size limit only when FAT is selected. This preserves correct FAT validation while allowing non-FAT outer volumes to proceed to the existing hidden-volume size estimation flow.

Update text-mode creation so FAT is not offered when the selected size cannot support it, and default to the platform native filesystem in that case. Clarify the user-facing FAT limit wording to refer to logical sector size.

Fixes #262
This commit is contained in:
Mounir IDRASSI
2026-05-29 16:42:29 +09:00
parent 610feb4c28
commit 170dfa83ee
46 changed files with 42 additions and 194 deletions
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Translations/Language.sk.xml
-4
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@@ -1517,10 +1517,6 @@
<entry lang="en" key="LINUX_MOUNTET_HINT">The filesystem of the selected device is currently mounted. Please unmount '{0}' before proceeding.</entry>
<entry lang="en" key="LINUX_HIDDEN_PASS_NO_DIFF">The Hidden volume can't have the same password, PIM and keyfiles as the Outer volume</entry>
<entry lang="en" key="LINUX_NOT_FAT_HINT">Please note that the volume will not be formatted with a FAT filesystem and, therefore, you may be required to install additional filesystem drivers on platforms other than {0}, which will enable you to mount the volume.</entry>
<entry lang="en" key="LINUX_ERROR_SIZE_HIDDEN_VOL">Error: The hidden volume to be created is larger than {0} TB ({1} GB).\n\nPossible solutions:\n- Create a container/partition smaller than {0} TB.\n</entry>
<entry lang="en" key="LINUX_MAX_SIZE_HINT">- Use a drive with 4096-byte sectors to be able to create partition/device-hosted hidden volumes up to 16 TB in size</entry>
<entry lang="en" key="LINUX_DOT_LF">.\n</entry>
<entry lang="en" key="LINUX_NOT_SUPPORTED"> (not supported by components available on this platform).\n</entry>
<entry lang="en" key="LINUX_KERNEL_OLD">Your system uses an old version of the Linux kernel.\n\nDue to a bug in the Linux kernel, your system may stop responding when writing data to a VeraCrypt volume. This problem can be solved by upgrading the kernel to version 2.6.24 or later.</entry>
<entry lang="en" key="LINUX_VOL_UNMOUNTED">Volume {0} has been unmounted.</entry>
<entry lang="en" key="LINUX_VOL_MOUNTED">Volume {0} has been mounted.</entry>