quiche 0.1.0-alpha4

🥧 Savoury implementation of the QUIC transport protocol and HTTP/3
Documentation 
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

use cmake;

// Additional parameters for Android build of BoringSSL.
const CMAKE_PARAMS_ANDROID: &[(&str, &[(&str, &str)])] = &[
    ("aarch64", &[
        ("ANDROID_TOOLCHAIN_NAME", "aarch64-linux-android-4.9"),
        ("ANDROID_NATIVE_API_LEVEL", "21"),
        (
            "CMAKE_TOOLCHAIN_FILE",
            "${ANDROID_NDK_HOME}/build/cmake/android.toolchain.cmake",
        ),
    ]),
    ("arm", &[
        ("ANDROID_TOOLCHAIN_NAME", "arm-linux-androideabi-4.9"),
        ("ANDROID_NATIVE_API_LEVEL", "21"),
        (
            "CMAKE_TOOLCHAIN_FILE",
            "${ANDROID_NDK_HOME}/build/cmake/android.toolchain.cmake",
        ),
    ]),
    ("x86", &[
        ("ANDROID_TOOLCHAIN_NAME", "x86-linux-android-4.9"),
        ("ANDROID_NATIVE_API_LEVEL", "21"),
        (
            "CMAKE_TOOLCHAIN_FILE",
            "${ANDROID_NDK_HOME}/build/cmake/android.toolchain.cmake",
        ),
    ]),
    ("x86_64", &[
        ("ANDROID_TOOLCHAIN_NAME", "x86_64-linux-android-4.9"),
        ("ANDROID_NATIVE_API_LEVEL", "21"),
        (
            "CMAKE_TOOLCHAIN_FILE",
            "${ANDROID_NDK_HOME}/build/cmake/android.toolchain.cmake",
        ),
    ]),
];

const CMAKE_PARAMS_IOS: &[(&str, &[(&str, &str)])] = &[
    ("aarch64", &[
        ("CMAKE_OSX_ARCHITECTURES", "arm64"),
        ("CMAKE_OSX_SYSROOT", "iphoneos"),
    ]),
    ("arm", &[
        ("CMAKE_OSX_ARCHITECTURES", "arm"),
        ("CMAKE_OSX_SYSROOT", "iphoneos"),
    ]),
    ("x86", &[
        ("CMAKE_OSX_ARCHITECTURES", "x86"),
        ("CMAKE_OSX_SYSROOT", "iphonesimulator"),
    ]),
    ("x86_64", &[
        ("CMAKE_OSX_ARCHITECTURES", "x86_64"),
        ("CMAKE_OSX_SYSROOT", "iphonesimulator"),
    ]),
];

/// Generate the platform-specific output path for lib
///
/// MSVC generator on Windows place static libs in a target sub-folder,
/// so adjust library location based on platform and build target.
/// See issue: https://github.com/alexcrichton/cmake-rs/issues/18
fn platform_output_path(lib: &str) -> String {
    if cfg!(windows) {
        if cfg!(debug_assertions) {
            return format!("{}/Debug", lib);
        } else {
            return format!("{}/RelWithDebInfo", lib);
        }
    } else {
        return format!("{}", lib);
    };
}

// Returns a new cmake::Config for building BoringSSL.
//
// It will add platform-specific parameters if needed.
fn get_boringssl_cmake_config() -> cmake::Config {
    let arch = std::env::var("CARGO_CFG_TARGET_ARCH").unwrap();
    let os = std::env::var("CARGO_CFG_TARGET_OS").unwrap();

    let mut boringssl_cmake = cmake::Config::new("deps/boringssl");

    // Add platform-specific parameters.
    return match os.as_ref() {
        "android" => {
            // We need ANDROID_NDK_HOME to be set properly.
            let android_ndk_home = std::env::var("ANDROID_NDK_HOME")
                .expect("Please set ANDROID_NDK_HOME for Android build");
            for (android_arch, params) in CMAKE_PARAMS_ANDROID {
                if *android_arch == arch {
                    for (name, value) in *params {
                        let value = value
                            .replace("${ANDROID_NDK_HOME}", &android_ndk_home);
                        eprintln!("android arch={} add {}={}", arch, name, value);
                        boringssl_cmake.define(name, value);
                    }
                }
            }

            boringssl_cmake
        },

        "ios" => {
            for (ios_arch, params) in CMAKE_PARAMS_IOS {
                if *ios_arch == arch {
                    for (name, value) in *params {
                        eprintln!("ios arch={} add {}={}", arch, name, value);
                        boringssl_cmake.define(name, value);
                    }
                }
            }

            // bitcode on
            boringssl_cmake.define("CMAKE_ASM_FLAGS", "-fembed-bitcode");
            boringssl_cmake.cflag("-fembed-bitcode");

            boringssl_cmake
        },

        _ => boringssl_cmake,
    };
}

fn main() {
    #[cfg(feature = "no_bssl")]
    return;

    let bssl_dir = std::env::var("QUICHE_BSSL_PATH").unwrap_or_else(|_| {
        get_boringssl_cmake_config()
            .cflag("-fPIC")
            .build_target("bssl")
            .build()
            .display()
            .to_string()
    });

    let crypto_dir =
        format!("{}/build/{}", bssl_dir, platform_output_path("crypto"));
    println!("cargo:rustc-link-search=native={}", crypto_dir);
    println!("cargo:rustc-link-lib=static=crypto");

    let ssl_dir = format!("{}/build/{}", bssl_dir, platform_output_path("ssl"));
    println!("cargo:rustc-link-search=native={}", ssl_dir);
    println!("cargo:rustc-link-lib=static=ssl");
}