search for: strict_bounds

...1 lsl 1; ] } let allow_transport_flags = { @@ -728,6 +729,12 @@ set of advertised server flags (for example, attempting a write on a read-only server). If clear, this flag relies on the server to reject unexpected commands or unknown flags to supported commands. +=item C<LIBNBD_STRICT_BOUNDS> = 2 + +If set, this flag rejects client requests that would exceed the export +bounds without sending any traffic to the server. If clear, this flag +relies on the server to detect out-of-bounds requests. + =back Future versions of libnbd may add further flags. diff --git a/lib/handle.c b/l...

..., 1 lsl 3; ] } let allow_transport_flags = { @@ -772,6 +774,18 @@ Note that the NBD protocol only supports 16 bits of command flags, even though the libnbd API uses C<uint32_t>; bits outside of the range permitted by the protocol are always a client-side error. +=item C<LIBNBD_STRICT_BOUNDS> = 3 + +If set, this flag rejects client requests that would exceed the export +bounds without sending any traffic to the server. If clear, this flag +relies on the server to detect out-of-bounds requests. + +=item C<LIBNBD_STRICT_ZERO_SIZE> = 4 + +If set, this flag rejects client request...

...d also make sense, especially given the recent addition of support for querying server minimum block size constraints (although I'd like to finish my work on getting nbdkit to advertise block constraints to make that easier to test...). Eric Blake (2): api: Add nbd_set_strict_mode api: Add STRICT_BOUNDS to nbd_set_strict_mode lib/internal.h | 3 + generator/API.ml | 67 ++++++++++- lib/disconnect.c | 18 +-- lib/handle.c | 16 +++ lib/rw.c | 289 ++++++++++++++++++++++++++++++----------------- tests/errors.c | 61 +++++++++- 6 files changed, 340 insertions(+), 114 deletions...

In v2: - now based on my proposal to add LIBNBD_SHUTDOWN_IMMEDIATE - four flags instead of two: STRICT_FLAGS is new (patch 4), and STRICT_BOUNDS is separate from STRICT_ZERO_SIZE (patch 5) - various refactorings for more shared code and less duplication Eric Blake (5): api: Add xxx_MASK constant for each Flags type generator: Refactor filtering of accepted OFlags api: Add nbd_set_strict_mode api: Add STRICT_FLAGS to set_strict_mode...