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Diffstat (limited to 'lwip/src/core/altcp_alloc.c')
-rw-r--r-- | lwip/src/core/altcp_alloc.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/lwip/src/core/altcp_alloc.c b/lwip/src/core/altcp_alloc.c new file mode 100644 index 0000000..cd619bc --- /dev/null +++ b/lwip/src/core/altcp_alloc.c @@ -0,0 +1,87 @@ +/** + * @file + * Application layered TCP connection API (to be used from TCPIP thread)\n + * This interface mimics the tcp callback API to the application while preventing + * direct linking (much like virtual functions). + * This way, an application can make use of other application layer protocols + * on top of TCP without knowing the details (e.g. TLS, proxy connection). + * + * This file contains allocation implementation that combine several layers. + */ + +/* + * Copyright (c) 2017 Simon Goldschmidt + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT + * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT + * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + * + * This file is part of the lwIP TCP/IP stack. + * + * Author: Simon Goldschmidt <goldsimon@gmx.de> + * + */ + +#include "lwip/opt.h" + +#if LWIP_ALTCP /* don't build if not configured for use in lwipopts.h */ + +#include "lwip/altcp.h" +#include "lwip/altcp_tcp.h" +#include "lwip/altcp_tls.h" +#include "lwip/priv/altcp_priv.h" +#include "lwip/mem.h" + +#include <string.h> + +#if LWIP_ALTCP_TLS + +/** This standard allocator function creates an altcp pcb for + * TLS over TCP */ +struct altcp_pcb * +altcp_tls_new(struct altcp_tls_config *config, u8_t ip_type) +{ + struct altcp_pcb *inner_conn, *ret; + LWIP_UNUSED_ARG(ip_type); + + inner_conn = altcp_tcp_new_ip_type(ip_type); + if (inner_conn == NULL) { + return NULL; + } + ret = altcp_tls_wrap(config, inner_conn); + if (ret == NULL) { + altcp_close(inner_conn); + } + return ret; +} + +/** This standard allocator function creates an altcp pcb for + * TLS over TCP */ +struct altcp_pcb * +altcp_tls_alloc(void *arg, u8_t ip_type) +{ + return altcp_tls_new((struct altcp_tls_config *)arg, ip_type); +} + +#endif /* LWIP_ALTCP_TLS */ + +#endif /* LWIP_ALTCP */ |