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g13: Implement --umount for dm-crypt.

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* g13/g13.c (main): Implement command --umount.
* g13/mount.c (g13_umount_container): use the syshelper if needed.
* g13/backend.c (be_umount_container): New.
* g13/be-dmcrypt.c (be_dmcrypt_umount_container): New.
* g13/call-syshelp.c (call_syshelp_run_umount): New.
* g13/sh-cmd.c (cmd_umount): New.
(register_commands): Register UMOUNT.
* g13/sh-dmcrypt.c (sh_dmcrypt_umount_container): New.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2016-08-14 20:17:51 +02:00
parent c9a0bccc77
commit b781113cf1
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GPG key ID: E3FDFF218E45B72B
11 changed files with 245 additions and 23 deletions
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34
g13/call-syshelp.c
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@ -520,6 +520,40 @@ call_syshelp_run_mount (ctrl_t ctrl, int conttype, const char *mountpoint,
}
/*
* Run the UMOUNT command on the current device. CONTTYPES gives the
* content type of the container (fixme: Do we really need this?).
*/
gpg_error_t
call_syshelp_run_umount (ctrl_t ctrl, int conttype)
{
gpg_error_t err;
assuan_context_t ctx;
err = start_syshelp (ctrl, &ctx);
if (err)
goto leave;
if (conttype == CONTTYPE_DM_CRYPT)
{
err = assuan_transact (ctx, "UMOUNT dm-crypt",
NULL, NULL,
NULL, NULL,
NULL, NULL);
}
else
{
log_error ("invalid backend type %d given\n", conttype);
err = GPG_ERR_INTERNAL;
goto leave;
}
leave:
return err;
}
/*
* Run the SUSPEND command on the current device. CONTTYPES gives the