diff options
Diffstat (limited to 'app/openvpn/src/openvpn/comp.c')
| -rw-r--r-- | app/openvpn/src/openvpn/comp.c | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/app/openvpn/src/openvpn/comp.c b/app/openvpn/src/openvpn/comp.c deleted file mode 100644 index 4ac589f9..00000000 --- a/app/openvpn/src/openvpn/comp.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - * OpenVPN -- An application to securely tunnel IP networks - * over a single UDP port, with support for SSL/TLS-based - * session authentication and key exchange, - * packet encryption, packet authentication, and - * packet compression. - * - * Copyright (C) 2002-2012 OpenVPN Technologies, Inc. <sales@openvpn.net> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#elif defined(_MSC_VER) -#include "config-msvc.h" -#endif - -#include "syshead.h" - -#ifdef USE_COMP - -#include "comp.h" -#include "error.h" -#include "otime.h" - -#include "memdbg.h" - -struct compress_context * -comp_init(const struct compress_options *opt) -{ - struct compress_context *compctx = NULL; - switch (opt->alg) - { - case COMP_ALG_STUB: - ALLOC_OBJ_CLEAR (compctx, struct compress_context); - compctx->flags = opt->flags; - compctx->alg = comp_stub_alg; - (*compctx->alg.compress_init)(compctx); - break; -#ifdef ENABLE_LZO - case COMP_ALG_LZO: - ALLOC_OBJ_CLEAR (compctx, struct compress_context); - compctx->flags = opt->flags; - compctx->alg = lzo_alg; - (*compctx->alg.compress_init)(compctx); - break; -#endif -#ifdef ENABLE_SNAPPY - case COMP_ALG_SNAPPY: - ALLOC_OBJ_CLEAR (compctx, struct compress_context); - compctx->flags = opt->flags; - compctx->alg = snappy_alg; - (*compctx->alg.compress_init)(compctx); - break; -#endif -#ifdef ENABLE_LZ4 - case COMP_ALG_LZ4: - ALLOC_OBJ_CLEAR (compctx, struct compress_context); - compctx->flags = opt->flags; - compctx->alg = lz4_alg; - (*compctx->alg.compress_init)(compctx); - break; -#endif - } - return compctx; -} - -void -comp_uninit(struct compress_context *compctx) -{ - if (compctx) - { - (*compctx->alg.compress_uninit)(compctx); - free(compctx); - } -} - -void -comp_add_to_extra_frame(struct frame *frame) -{ - /* Leave room for our one-byte compressed/didn't-compress prefix byte. */ - frame_add_to_extra_frame (frame, COMP_PREFIX_LEN); -} - -void -comp_add_to_extra_buffer(struct frame *frame) -{ - /* Leave room for compression buffer to expand in worst case scenario - where data is totally uncompressible */ - frame_add_to_extra_buffer (frame, COMP_EXTRA_BUFFER (EXPANDED_SIZE(frame))); -} - -void -comp_print_stats (const struct compress_context *compctx, struct status_output *so) -{ - if (compctx) - { - status_printf (so, "pre-compress bytes," counter_format, compctx->pre_compress); - status_printf (so, "post-compress bytes," counter_format, compctx->post_compress); - status_printf (so, "pre-decompress bytes," counter_format, compctx->pre_decompress); - status_printf (so, "post-decompress bytes," counter_format, compctx->post_decompress); - } -} - -/* - * Tell our peer which compression algorithms we support. - */ -void -comp_generate_peer_info_string(const struct compress_options *opt, struct buffer *out) -{ - if (opt) - { - bool lzo_avail = false; - if (!(opt->flags & COMP_F_ADVERTISE_STUBS_ONLY)) - { -#if defined(ENABLE_LZ4) - buf_printf (out, "IV_LZ4=1\n"); -#endif -#if defined(ENABLE_SNAPPY) - buf_printf (out, "IV_SNAPPY=1\n"); -#endif -#if defined(ENABLE_LZO) - buf_printf (out, "IV_LZO=1\n"); - lzo_avail = true; -#endif - } - if (!lzo_avail) - buf_printf (out, "IV_LZO_STUB=1\n"); - buf_printf (out, "IV_COMP_STUB=1\n"); - } -} - -#endif /* USE_COMP */ |