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