curl-impersonate-win/patch/boringssl-old-ciphers.patch

diff -u1 -Nar --exclude build --exclude tags boringssl-3a667d10e94186fd503966f5638e134fe9fb4080/ssl/internal.h boringssl/ssl/internal.h
--- boringssl-3a667d10e94186fd503966f5638e134fe9fb4080/ssl/internal.h	2021-11-22 19:06:04.000000000 +0200
+++ boringssl/ssl/internal.h	2022-02-27 12:20:25.308284303 +0200
@@ -566,4 +566,10 @@
 #define SSL_SHA1 0x00000001u
+// curl-impersonate:
+// SSL_SHA256 and SSL_SHA384 were removed in
+// https://boringssl-review.googlesource.com/c/boringssl/+/27944/
+// but restored to impersonate browsers with older ciphers.
+#define SSL_SHA256 0x00000002u
+#define SSL_SHA384 0x00000004u
 // SSL_AEAD is set for all AEADs.
-#define SSL_AEAD 0x00000002u
+#define SSL_AEAD 0x00000008u
 
diff -u1 -Nar --exclude build --exclude tags boringssl-3a667d10e94186fd503966f5638e134fe9fb4080/ssl/ssl_cipher.cc boringssl/ssl/ssl_cipher.cc
--- boringssl-3a667d10e94186fd503966f5638e134fe9fb4080/ssl/ssl_cipher.cc	2021-11-22 19:06:04.000000000 +0200
+++ boringssl/ssl/ssl_cipher.cc	2022-02-27 13:54:05.378053046 +0200
@@ -210,2 +210,33 @@
 
+    // curl-impersonate: Ciphers 3C, 3D were removed in
+    // https://boringssl-review.googlesource.com/c/boringssl/+/27944/
+    // but restored here to impersonate browsers with older ciphers. They are
+    // not expected to actually work; but just to be included in the TLS
+    // Client Hello.
+
+    // TLS v1.2 ciphersuites
+
+    // Cipher 3C
+    {
+     TLS1_TXT_RSA_WITH_AES_128_SHA256,
+     "TLS_RSA_WITH_AES_128_CBC_SHA256",
+     TLS1_CK_RSA_WITH_AES_128_SHA256,
+     SSL_kRSA,
+     SSL_aRSA,
+     SSL_AES128,
+     SSL_SHA256,
+     SSL_HANDSHAKE_MAC_SHA256,
+    },
+    // Cipher 3D
+    {
+     TLS1_TXT_RSA_WITH_AES_256_SHA256,
+     "TLS_RSA_WITH_AES_256_CBC_SHA256",
+     TLS1_CK_RSA_WITH_AES_256_SHA256,
+     SSL_kRSA,
+     SSL_aRSA,
+     SSL_AES256,
+     SSL_SHA256,
+     SSL_HANDSHAKE_MAC_SHA256,
+    },
+
     // PSK cipher suites.
@@ -300,2 +331,19 @@
 
+    // curl-impersonate: Cipher C008 was missing from BoringSSL,
+    // probably because it is weak. Add it back from OpenSSL (ssl/s3_lib.c)
+    // where it is called ECDHE-ECDSA-DES-CBC3-SHA.
+    // It's not supposed to really work but just appear in the TLS client hello.
+
+    // Cipher C008
+    {
+     "ECDHE-ECDSA-DES-CBC3-SHA",
+     "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA",
+     0x0300C008,
+     SSL_kECDHE,
+     SSL_aECDSA,
+     SSL_3DES,
+     SSL_SHA1,
+     SSL_HANDSHAKE_MAC_DEFAULT,
+    },
+
     // Cipher C009
@@ -324,2 +372,17 @@
 
+    // curl-impersonate: Cipher C012 was missing from BoringSSL,
+    // probably because it is weak. Add it back from OpenSSL (ssl/s3_lib.c)
+    // where it is called ECDHE-RSA-DES-CBC3-SHA
+    // It's not supposed to really work but just appear in the TLS client hello.
+    {
+     "ECDHE-RSA-DES-CBC3-SHA",
+     "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA",
+     0x0300C012,
+     SSL_kECDHE,
+     SSL_aRSA,
+     SSL_3DES,
+     SSL_SHA1,
+     SSL_HANDSHAKE_MAC_DEFAULT,
+    },
+
     // Cipher C013
@@ -348,2 +411,55 @@
 
+    // curl-impersonate: Ciphers C023, C024, C027, C028 were removed in
+    // https://boringssl-review.googlesource.com/c/boringssl/+/27944/
+    // but restored here to impersonate browsers with older ciphers. They are
+    // not expected to actually work; but just to be included in the TLS
+    // Client Hello.
+
+    // HMAC based TLS v1.2 ciphersuites from RFC5289
+
+    // Cipher C023
+    {
+     TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_SHA256,
+     "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256",
+     TLS1_CK_ECDHE_ECDSA_WITH_AES_128_SHA256,
+     SSL_kECDHE,
+     SSL_aECDSA,
+     SSL_AES128,
+     SSL_SHA256,
+     SSL_HANDSHAKE_MAC_SHA256,
+    },
+    // Cipher C024
+    {
+     TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_SHA384,
+     "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384",
+     TLS1_CK_ECDHE_ECDSA_WITH_AES_256_SHA384,
+     SSL_kECDHE,
+     SSL_aECDSA,
+     SSL_AES256,
+     SSL_SHA384,
+     SSL_HANDSHAKE_MAC_SHA384,
+    },
+    // Cipher C027
+    {
+     TLS1_TXT_ECDHE_RSA_WITH_AES_128_SHA256,
+     "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256",
+     TLS1_CK_ECDHE_RSA_WITH_AES_128_SHA256,
+     SSL_kECDHE,
+     SSL_aRSA,
+     SSL_AES128,
+     SSL_SHA256,
+     SSL_HANDSHAKE_MAC_SHA256,
+    },
+    // Cipher C028
+    {
+     TLS1_TXT_ECDHE_RSA_WITH_AES_256_SHA384,
+     "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384",
+     TLS1_CK_ECDHE_RSA_WITH_AES_256_SHA384,
+     SSL_kECDHE,
+     SSL_aRSA,
+     SSL_AES256,
+     SSL_SHA384,
+     SSL_HANDSHAKE_MAC_SHA384,
+    },
+
     // GCM based TLS v1.2 ciphersuites from RFC 5289
@@ -539,2 +655,7 @@
     {"SHA", ~0u, ~0u, ~0u, SSL_SHA1, 0},
+    // curl-impersonate:
+    // Removed in https://boringssl-review.googlesource.com/c/boringssl/+/27944/
+    // but restored to impersonate browsers with older ciphers.
+    {"SHA256", ~0u, ~0u, ~0u, SSL_SHA256, 0},
+    {"SHA384", ~0u, ~0u, ~0u, SSL_SHA384, 0},