[PATCH 5/8] secur32: Add support for setting DTLS timeouts.
Connor McAdams
cmcadams at codeweavers.com
Tue Jan 25 09:32:11 CST 2022
Add support for setting the DTLS timeout values, and set the
retransmission timeout value to 0 to allow for retransmission on each
call to schan_InitializeSecurityContext.
Signed-off-by: Connor McAdams <cmcadams at codeweavers.com>
---
dlls/secur32/schannel.c | 6 ++++++
dlls/secur32/schannel_gnutls.c | 22 ++++++++++++++++++++++
dlls/secur32/secur32_priv.h | 8 ++++++++
3 files changed, 36 insertions(+)
diff --git a/dlls/secur32/schannel.c b/dlls/secur32/schannel.c
index fa5577d78e3..19e21da8d72 100644
--- a/dlls/secur32/schannel.c
+++ b/dlls/secur32/schannel.c
@@ -809,6 +809,12 @@ static SECURITY_STATUS SEC_ENTRY schan_InitializeSecurityContextW(
else WARN("invalid buffer size %u\n", buffer->cbBuffer);
}
+ if (is_dtls_context(ctx))
+ {
+ struct set_dtls_timeouts_params params = { ctx->transport.session, 0, 60000 };
+ GNUTLS_CALL( set_dtls_timeouts, ¶ms );
+ }
+
phNewContext->dwLower = handle;
phNewContext->dwUpper = 0;
}
diff --git a/dlls/secur32/schannel_gnutls.c b/dlls/secur32/schannel_gnutls.c
index 31fdb769677..ac51cbb5d9f 100644
--- a/dlls/secur32/schannel_gnutls.c
+++ b/dlls/secur32/schannel_gnutls.c
@@ -60,6 +60,7 @@ static int (*pgnutls_cipher_get_block_size)(gnutls_cipher_algorithm_t);
static void (*pgnutls_transport_set_pull_timeout_function)(gnutls_session_t,
int (*)(gnutls_transport_ptr_t, unsigned int));
static void (*pgnutls_dtls_set_mtu)(gnutls_session_t, unsigned int);
+static void (*pgnutls_dtls_set_timeouts)(gnutls_session_t, unsigned int, unsigned int);
/* Not present in gnutls version < 3.2.0. */
static int (*pgnutls_alpn_get_selected_protocol)(gnutls_session_t, gnutls_datum_t *);
@@ -198,6 +199,12 @@ static void compat_gnutls_dtls_set_mtu(gnutls_session_t session, unsigned int mt
FIXME("\n");
}
+static void compat_gnutls_dtls_set_timeouts(gnutls_session_t session, unsigned int retrans_timeout,
+ unsigned int total_timeout)
+{
+ FIXME("\n");
+}
+
static void init_schan_buffers(struct schan_buffers *s, const PSecBufferDesc desc,
int (*get_next_buffer)(const struct schan_transport *, struct schan_buffers *))
{
@@ -989,6 +996,15 @@ static NTSTATUS schan_set_dtls_mtu( void *args )
return SEC_E_OK;
}
+static NTSTATUS schan_set_dtls_timeouts( void *args )
+{
+ const struct set_dtls_timeouts_params *params = args;
+ gnutls_session_t s = (gnutls_session_t)params->session;
+
+ pgnutls_dtls_set_timeouts(s, params->retrans_timeout, params->total_timeout);
+ return SEC_E_OK;
+}
+
static inline void reverse_bytes(BYTE *buf, ULONG len)
{
BYTE tmp;
@@ -1245,6 +1261,11 @@ static NTSTATUS process_attach( void *args )
WARN("gnutls_dtls_set_mtu not found\n");
pgnutls_dtls_set_mtu = compat_gnutls_dtls_set_mtu;
}
+ if (!(pgnutls_dtls_set_timeouts = dlsym(libgnutls_handle, "gnutls_dtls_set_timeouts")))
+ {
+ WARN("gnutls_dtls_set_timeouts not found\n");
+ pgnutls_dtls_set_timeouts = compat_gnutls_dtls_set_timeouts;
+ }
if (!(pgnutls_privkey_export_x509 = dlsym(libgnutls_handle, "gnutls_privkey_export_x509")))
{
WARN("gnutls_privkey_export_x509 not found\n");
@@ -1308,6 +1329,7 @@ const unixlib_entry_t __wine_unix_call_funcs[] =
schan_set_application_protocols,
schan_set_dtls_mtu,
schan_set_session_target,
+ schan_set_dtls_timeouts,
};
#endif /* SONAME_LIBGNUTLS */
diff --git a/dlls/secur32/secur32_priv.h b/dlls/secur32/secur32_priv.h
index c17adc96dc6..64edc0581d6 100644
--- a/dlls/secur32/secur32_priv.h
+++ b/dlls/secur32/secur32_priv.h
@@ -203,6 +203,13 @@ struct set_session_target_params
const char *target;
};
+struct set_dtls_timeouts_params
+{
+ schan_session session;
+ unsigned int retrans_timeout;
+ unsigned int total_timeout;
+};
+
enum schan_funcs
{
unix_process_attach,
@@ -225,6 +232,7 @@ enum schan_funcs
unix_set_application_protocols,
unix_set_dtls_mtu,
unix_set_session_target,
+ unix_set_dtls_timeouts,
};
#endif /* __SECUR32_PRIV_H__ */
--
2.25.1
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