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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmCurl.h"
#if !defined(CMAKE_USE_SYSTEM_CURL) && !defined(_WIN32) && \
!defined(__APPLE__) && !defined(CURL_CA_BUNDLE) && !defined(CURL_CA_PATH)
# define CMAKE_FIND_CAFILE
#endif
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
#if defined(_WIN32)
# include <vector>
# include <windows.h>
# include "cmsys/Encoding.hxx"
#endif
// curl versions before 7.21.5 did not provide this error code
#if defined(LIBCURL_VERSION_NUM) && LIBCURL_VERSION_NUM < 0x071505
# define CURLE_NOT_BUILT_IN 4
#endif
#define check_curl_result(result, errstr) \
do { \
if ((result) != CURLE_OK && (result) != CURLE_NOT_BUILT_IN) { \
e += e.empty() ? "" : "\n"; \
e += (errstr); \
e += ::curl_easy_strerror(result); \
} \
} while (false)
std::string cmCurlSetCAInfo(::CURL* curl, const std::string& cafile)
{
std::string e;
std::string env_ca;
if (!cafile.empty()) {
::CURLcode res = ::curl_easy_setopt(curl, CURLOPT_CAINFO, cafile.c_str());
check_curl_result(res, "Unable to set TLS/SSL Verify CAINFO: ");
}
/* Honor the user-configurable OpenSSL environment variables. */
else if (cmSystemTools::GetEnv("SSL_CERT_FILE", env_ca) &&
cmSystemTools::FileExists(env_ca, true)) {
::CURLcode res = ::curl_easy_setopt(curl, CURLOPT_CAINFO, env_ca.c_str());
check_curl_result(res, "Unable to set TLS/SSL Verify CAINFO: ");
} else if (cmSystemTools::GetEnv("SSL_CERT_DIR", env_ca) &&
cmSystemTools::FileIsDirectory(env_ca)) {
::CURLcode res = ::curl_easy_setopt(curl, CURLOPT_CAPATH, env_ca.c_str());
check_curl_result(res, "Unable to set TLS/SSL Verify CAINFO: ");
}
#ifdef CMAKE_FIND_CAFILE
# define CMAKE_CAFILE_FEDORA "/etc/pki/tls/certs/ca-bundle.crt"
else if (cmSystemTools::FileExists(CMAKE_CAFILE_FEDORA, true)) {
::CURLcode res =
::curl_easy_setopt(curl, CURLOPT_CAINFO, CMAKE_CAFILE_FEDORA);
check_curl_result(res, "Unable to set TLS/SSL Verify CAINFO: ");
}
# undef CMAKE_CAFILE_FEDORA
else {
# define CMAKE_CAFILE_COMMON "/etc/ssl/certs/ca-certificates.crt"
if (cmSystemTools::FileExists(CMAKE_CAFILE_COMMON, true)) {
::CURLcode res =
::curl_easy_setopt(curl, CURLOPT_CAINFO, CMAKE_CAFILE_COMMON);
check_curl_result(res, "Unable to set TLS/SSL Verify CAINFO: ");
}
# undef CMAKE_CAFILE_COMMON
# define CMAKE_CAPATH_COMMON "/etc/ssl/certs"
if (cmSystemTools::FileIsDirectory(CMAKE_CAPATH_COMMON)) {
::CURLcode res =
::curl_easy_setopt(curl, CURLOPT_CAPATH, CMAKE_CAPATH_COMMON);
check_curl_result(res, "Unable to set TLS/SSL Verify CAPATH: ");
}
# undef CMAKE_CAPATH_COMMON
}
#endif
return e;
}
std::string cmCurlSetNETRCOption(::CURL* curl, const std::string& netrc_level,
const std::string& netrc_file)
{
std::string e;
CURL_NETRC_OPTION curl_netrc_level = CURL_NETRC_LAST;
::CURLcode res;
if (!netrc_level.empty()) {
if (netrc_level == "OPTIONAL") {
curl_netrc_level = CURL_NETRC_OPTIONAL;
} else if (netrc_level == "REQUIRED") {
curl_netrc_level = CURL_NETRC_REQUIRED;
} else if (netrc_level == "IGNORED") {
curl_netrc_level = CURL_NETRC_IGNORED;
} else {
e = cmStrCat("NETRC accepts OPTIONAL, IGNORED or REQUIRED but got: ",
netrc_level);
return e;
}
}
if (curl_netrc_level != CURL_NETRC_LAST &&
curl_netrc_level != CURL_NETRC_IGNORED) {
res = ::curl_easy_setopt(curl, CURLOPT_NETRC, curl_netrc_level);
check_curl_result(res, "Unable to set netrc level: ");
if (!e.empty()) {
return e;
}
// check to see if a .netrc file has been specified
if (!netrc_file.empty()) {
res = ::curl_easy_setopt(curl, CURLOPT_NETRC_FILE, netrc_file.c_str());
check_curl_result(res, "Unable to set .netrc file path : ");
}
}
return e;
}
std::string cmCurlFixFileURL(std::string url)
{
if (!cmHasLiteralPrefix(url, "file://")) {
return url;
}
// libcurl 7.77 and below accidentally allowed spaces in URLs in some cases.
// One such case was file:// URLs, which CMake has long accepted as a result.
// Explicitly encode spaces for a URL.
cmSystemTools::ReplaceString(url, " ", "%20");
#if defined(_WIN32)
// libcurl doesn't support file:// urls for unicode filenames on Windows.
// Convert string from UTF-8 to ACP if this is a file:// URL.
std::wstring wurl = cmsys::Encoding::ToWide(url);
if (!wurl.empty()) {
int mblen =
WideCharToMultiByte(CP_ACP, 0, wurl.c_str(), -1, NULL, 0, NULL, NULL);
if (mblen > 0) {
std::vector<char> chars(mblen);
mblen = WideCharToMultiByte(CP_ACP, 0, wurl.c_str(), -1, &chars[0],
mblen, NULL, NULL);
if (mblen > 0) {
url = &chars[0];
}
}
}
#endif
return url;
}
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