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| author | Daniel P. Berrangé | 2022-03-04 20:36:00 +0100 |
|---|---|---|
| committer | Eric Blake | 2022-03-07 22:58:42 +0100 |
| commit | 046f98d0753872b1e3189689da16c68e1f6c78c2 (patch) | |
| tree | 5e2bfc2b8957e095a9eb84363b18ad017f9c91b6 /nbd | |
| parent | crypto: mandate a hostname when checking x509 creds on a client (diff) | |
| download | qemu-046f98d0753872b1e3189689da16c68e1f6c78c2.tar.gz qemu-046f98d0753872b1e3189689da16c68e1f6c78c2.tar.xz qemu-046f98d0753872b1e3189689da16c68e1f6c78c2.zip | |
block: pass desired TLS hostname through from block driver client
In
commit a71d597b989fd701b923f09b3c20ac4fcaa55e81
Author: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Date: Thu Jun 10 13:08:00 2021 +0300
block/nbd: reuse nbd_co_do_establish_connection() in nbd_open()
the use of the 'hostname' field from the BDRVNBDState struct was
lost, and 'nbd_connect' just hardcoded it to match the IP socket
address. This was a harmless bug at the time since we block use
with anything other than IP sockets.
Shortly though, we want to allow the caller to override the hostname
used in the TLS certificate checks. This is to allow for TLS
when doing port forwarding or tunneling. Thus we need to reinstate
the passing along of the 'hostname'.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220304193610.3293146-3-berrange@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'nbd')
| -rw-r--r-- | nbd/client-connection.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/nbd/client-connection.c b/nbd/client-connection.c index 2bda42641d..2a632931c3 100644 --- a/nbd/client-connection.c +++ b/nbd/client-connection.c @@ -33,6 +33,7 @@ struct NBDClientConnection { /* Initialization constants, never change */ SocketAddress *saddr; /* address to connect to */ QCryptoTLSCreds *tlscreds; + char *tlshostname; NBDExportInfo initial_info; bool do_negotiation; bool do_retry; @@ -77,7 +78,8 @@ NBDClientConnection *nbd_client_connection_new(const SocketAddress *saddr, bool do_negotiation, const char *export_name, const char *x_dirty_bitmap, - QCryptoTLSCreds *tlscreds) + QCryptoTLSCreds *tlscreds, + const char *tlshostname) { NBDClientConnection *conn = g_new(NBDClientConnection, 1); @@ -85,6 +87,7 @@ NBDClientConnection *nbd_client_connection_new(const SocketAddress *saddr, *conn = (NBDClientConnection) { .saddr = QAPI_CLONE(SocketAddress, saddr), .tlscreds = tlscreds, + .tlshostname = g_strdup(tlshostname), .do_negotiation = do_negotiation, .initial_info.request_sizes = true, @@ -107,6 +110,7 @@ static void nbd_client_connection_do_free(NBDClientConnection *conn) } error_free(conn->err); qapi_free_SocketAddress(conn->saddr); + g_free(conn->tlshostname); object_unref(OBJECT(conn->tlscreds)); g_free(conn->initial_info.x_dirty_bitmap); g_free(conn->initial_info.name); @@ -120,6 +124,7 @@ static void nbd_client_connection_do_free(NBDClientConnection *conn) */ static int nbd_connect(QIOChannelSocket *sioc, SocketAddress *addr, NBDExportInfo *info, QCryptoTLSCreds *tlscreds, + const char *tlshostname, QIOChannel **outioc, Error **errp) { int ret; @@ -140,7 +145,7 @@ static int nbd_connect(QIOChannelSocket *sioc, SocketAddress *addr, } ret = nbd_receive_negotiate(NULL, QIO_CHANNEL(sioc), tlscreds, - tlscreds ? addr->u.inet.host : NULL, + tlshostname, outioc, info, errp); if (ret < 0) { /* @@ -183,7 +188,8 @@ static void *connect_thread_func(void *opaque) ret = nbd_connect(conn->sioc, conn->saddr, conn->do_negotiation ? &conn->updated_info : NULL, - conn->tlscreds, &conn->ioc, &local_err); + conn->tlscreds, conn->tlshostname, + &conn->ioc, &local_err); /* * conn->updated_info will finally be returned to the user. Clear the |