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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2022, 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 }
};
/*
* 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.
*/
CURLcode get_libcurl_info(void)
{
CURLcode result = CURLE_OK;
/* Pointer to libcurl's run-time version information */
curlinfo = curl_version_info(CURLVERSION_NOW);
if(!curlinfo)
return CURLE_FAILED_INIT;
if(curlinfo->protocols) {
const char *const *builtin;
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;
}
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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