1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmCurl.h"
#include <cm/string_view>
#include <cmext/string_view>
#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)
// curl versions before 7.52.0 did not provide TLS 1.3 support
#if defined(LIBCURL_VERSION_NUM) && LIBCURL_VERSION_NUM < 0x073400
# define CURL_SSLVERSION_TLSv1_3 CURL_SSLVERSION_LAST
#endif
// Make sure we keep up with new TLS versions supported by curl.
// Do this only for our vendored curl to avoid breaking builds
// against external future versions of curl.
#if !defined(CMAKE_USE_SYSTEM_CURL)
static_assert(CURL_SSLVERSION_LAST == 8,
"A new CURL_SSLVERSION_ may be available!");
#endif
cm::optional<int> cmCurlParseTLSVersion(cm::string_view tls_version)
{
cm::optional<int> v;
if (tls_version == "1.0"_s) {
v = CURL_SSLVERSION_TLSv1_0;
} else if (tls_version == "1.1"_s) {
v = CURL_SSLVERSION_TLSv1_1;
} else if (tls_version == "1.2"_s) {
v = CURL_SSLVERSION_TLSv1_2;
} else if (tls_version == "1.3"_s) {
v = CURL_SSLVERSION_TLSv1_3;
}
return v;
}
cm::optional<std::string> cmCurlPrintTLSVersion(int curl_tls_version)
{
cm::optional<std::string> s;
switch (curl_tls_version) {
case CURL_SSLVERSION_TLSv1_0:
s = "CURL_SSLVERSION_TLSv1_0"_s;
break;
case CURL_SSLVERSION_TLSv1_1:
s = "CURL_SSLVERSION_TLSv1_1"_s;
break;
case CURL_SSLVERSION_TLSv1_2:
s = "CURL_SSLVERSION_TLSv1_2"_s;
break;
case CURL_SSLVERSION_TLSv1_3:
s = "CURL_SSLVERSION_TLSv1_3"_s;
break;
}
return s;
}
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, nullptr, 0,
nullptr, nullptr);
if (mblen > 0) {
std::vector<char> chars(mblen);
mblen = WideCharToMultiByte(CP_ACP, 0, wurl.c_str(), -1, &chars[0],
mblen, nullptr, nullptr);
if (mblen > 0) {
url = &chars[0];
}
}
}
#endif
return url;
}
|
