209 lines
7.1 KiB
C
209 lines
7.1 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "tool_setup.h"
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#include "strcase.h"
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#define ENABLE_CURLX_PRINTF
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/* use our own printf() functions */
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#include "curlx.h"
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#include "tool_libinfo.h"
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#include "memdebug.h" /* keep this as LAST include */
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/* global variable definitions, for libcurl run-time info */
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static const char *no_protos = NULL;
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curl_version_info_data *curlinfo = NULL;
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const char * const *built_in_protos = &no_protos;
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size_t proto_count = 0;
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const char *proto_file = NULL;
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const char *proto_ftp = NULL;
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const char *proto_ftps = NULL;
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const char *proto_http = NULL;
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const char *proto_https = NULL;
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const char *proto_rtsp = NULL;
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const char *proto_scp = NULL;
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const char *proto_sftp = NULL;
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const char *proto_tftp = NULL;
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const char *proto_ipfs = "ipfs";
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const char *proto_ipns = "ipns";
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static struct proto_name_tokenp {
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const char *proto_name;
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const char **proto_tokenp;
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} const possibly_built_in[] = {
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{ "file", &proto_file },
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{ "ftp", &proto_ftp },
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{ "ftps", &proto_ftps },
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{ "http", &proto_http },
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{ "https", &proto_https },
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{ "rtsp", &proto_rtsp },
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{ "scp", &proto_scp },
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{ "sftp", &proto_sftp },
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{ "tftp", &proto_tftp },
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{ NULL, NULL }
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};
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bool feature_altsvc = FALSE;
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bool feature_brotli = FALSE;
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bool feature_hsts = FALSE;
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bool feature_http2 = FALSE;
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bool feature_http3 = FALSE;
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bool feature_httpsproxy = FALSE;
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bool feature_libz = FALSE;
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bool feature_ntlm = FALSE;
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bool feature_ntlm_wb = FALSE;
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bool feature_spnego = FALSE;
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bool feature_ssl = FALSE;
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bool feature_tls_srp = FALSE;
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bool feature_zstd = FALSE;
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static struct feature_name_presentp {
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const char *feature_name;
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bool *feature_presentp;
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int feature_bitmask;
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} const maybe_feature[] = {
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/* Keep alphabetically sorted. */
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{"alt-svc", &feature_altsvc, CURL_VERSION_ALTSVC},
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{"AsynchDNS", NULL, CURL_VERSION_ASYNCHDNS},
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{"brotli", &feature_brotli, CURL_VERSION_BROTLI},
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{"CharConv", NULL, CURL_VERSION_CONV},
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{"Debug", NULL, CURL_VERSION_DEBUG},
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{"gsasl", NULL, CURL_VERSION_GSASL},
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{"GSS-API", NULL, CURL_VERSION_GSSAPI},
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{"HSTS", &feature_hsts, CURL_VERSION_HSTS},
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{"HTTP2", &feature_http2, CURL_VERSION_HTTP2},
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{"HTTP3", &feature_http3, CURL_VERSION_HTTP3},
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{"HTTPS-proxy", &feature_httpsproxy, CURL_VERSION_HTTPS_PROXY},
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{"IDN", NULL, CURL_VERSION_IDN},
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{"IPv6", NULL, CURL_VERSION_IPV6},
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{"Kerberos", NULL, CURL_VERSION_KERBEROS5},
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{"Largefile", NULL, CURL_VERSION_LARGEFILE},
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{"libz", &feature_libz, CURL_VERSION_LIBZ},
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{"MultiSSL", NULL, CURL_VERSION_MULTI_SSL},
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{"NTLM", &feature_ntlm, CURL_VERSION_NTLM},
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{"NTLM_WB", &feature_ntlm_wb, CURL_VERSION_NTLM_WB},
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{"PSL", NULL, CURL_VERSION_PSL},
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{"SPNEGO", &feature_spnego, CURL_VERSION_SPNEGO},
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{"SSL", &feature_ssl, CURL_VERSION_SSL},
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{"SSPI", NULL, CURL_VERSION_SSPI},
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{"threadsafe", NULL, CURL_VERSION_THREADSAFE},
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{"TLS-SRP", &feature_tls_srp, CURL_VERSION_TLSAUTH_SRP},
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{"TrackMemory", NULL, CURL_VERSION_CURLDEBUG},
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{"Unicode", NULL, CURL_VERSION_UNICODE},
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{"UnixSockets", NULL, CURL_VERSION_UNIX_SOCKETS},
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{"zstd", &feature_zstd, CURL_VERSION_ZSTD},
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{NULL, NULL, 0}
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};
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static const char *fnames[sizeof(maybe_feature) / sizeof(maybe_feature[0])];
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const char * const *feature_names = fnames;
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/*
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* libcurl_info_init: retrieves run-time information about libcurl,
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* setting a global pointer 'curlinfo' to libcurl's run-time info
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* struct, count protocols and flag those we are interested in.
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* Global pointer feature_names is set to the feature names array. If
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* the latter is not returned by curl_version_info(), it is built from
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* the returned features bit mask.
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*/
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CURLcode get_libcurl_info(void)
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{
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CURLcode result = CURLE_OK;
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const char *const *builtin;
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/* Pointer to libcurl's run-time version information */
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curlinfo = curl_version_info(CURLVERSION_NOW);
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if(!curlinfo)
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return CURLE_FAILED_INIT;
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if(curlinfo->protocols) {
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const struct proto_name_tokenp *p;
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built_in_protos = curlinfo->protocols;
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for(builtin = built_in_protos; !result && *builtin; builtin++) {
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/* Identify protocols we are interested in. */
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for(p = possibly_built_in; p->proto_name; p++)
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if(curl_strequal(p->proto_name, *builtin)) {
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*p->proto_tokenp = *builtin;
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break;
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}
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}
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proto_count = builtin - built_in_protos;
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}
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if(curlinfo->age >= CURLVERSION_ELEVENTH && curlinfo->feature_names)
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feature_names = curlinfo->feature_names;
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else {
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const struct feature_name_presentp *p;
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const char **cpp = fnames;
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for(p = maybe_feature; p->feature_name; p++)
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if(curlinfo->features & p->feature_bitmask)
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*cpp++ = p->feature_name;
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*cpp = NULL;
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}
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/* Identify features we are interested in. */
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for(builtin = feature_names; *builtin; builtin++) {
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const struct feature_name_presentp *p;
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for(p = maybe_feature; p->feature_name; p++)
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if(curl_strequal(p->feature_name, *builtin)) {
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if(p->feature_presentp)
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*p->feature_presentp = TRUE;
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break;
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}
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}
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return CURLE_OK;
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}
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/* Tokenize a protocol name.
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* Return the address of the protocol name listed by the library, or NULL if
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* not found.
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* Although this may seem useless, this always returns the same address for
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* a given protocol and thus allows comparing pointers rather than strings.
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* In addition, the returned pointer is not deallocated until the program ends.
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*/
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const char *proto_token(const char *proto)
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{
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const char * const *builtin;
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if(!proto)
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return NULL;
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for(builtin = built_in_protos; *builtin; builtin++)
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if(curl_strequal(*builtin, proto))
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break;
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return *builtin;
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}
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