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ZFS allow send:encrypted

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A new `zfs allow` permissions that ONLY allows sending replication
streams in raw (encrypted) mode, so encrypted data will not be
decrypted as part of the replication process.

Sponsored-by: Klara, Inc.
Sponsored-by: Karakun AG
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com>
Co-authored-by: JT Pennington <jt.pennington@klarasystems.com>
Signed-off-by: Allan Jude <allan@klarasystems.com>
Closes #17543
This commit is contained in:
Allan Jude
2025-07-15 19:28:02 +00:00
committed by Brian Behlendorf
parent 4a7a04630d
commit 6c4ede4026
6 changed files with 27 additions and 4 deletions
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module/zfs/zfs_ioctl.c
+15 -2
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@@ -683,6 +683,7 @@ zfs_secpolicy_send(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr)
dsl_dataset_t *ds;
const char *cp;
int error;
boolean_t rawok = (zc->zc_flags & 0x8);
/*
* Generate the current snapshot name from the given objsetid, then
@@ -705,6 +706,10 @@ zfs_secpolicy_send(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr)
error = zfs_secpolicy_write_perms_ds(zc->zc_name, ds,
ZFS_DELEG_PERM_SEND, cr);
if (error != 0 && rawok == B_TRUE) {
error = zfs_secpolicy_write_perms_ds(zc->zc_name, ds,
ZFS_DELEG_PERM_SEND_RAW, cr);
}
dsl_dataset_rele(ds, FTAG);
dsl_pool_rele(dp, FTAG);
@@ -714,9 +719,17 @@ zfs_secpolicy_send(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr)
static int
zfs_secpolicy_send_new(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr)
{
boolean_t rawok = nvlist_exists(innvl, "rawok");
int error;
(void) innvl;
return (zfs_secpolicy_write_perms(zc->zc_name,
ZFS_DELEG_PERM_SEND, cr));
error = zfs_secpolicy_write_perms(zc->zc_name,
ZFS_DELEG_PERM_SEND, cr);
if (error != 0 && rawok == B_TRUE) {
error = zfs_secpolicy_write_perms(zc->zc_name,
ZFS_DELEG_PERM_SEND_RAW, cr);
}
return (error);
}
static int