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nghttpx: Parameterize configuration values for client side TLS context

This commit is contained in:
Tatsuhiro Tsujikawa 2016-02-11 18:34:31 +09:00
parent e4a727f86c
commit 82f942c3a3
4 changed files with 68 additions and 54 deletions
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4
src/shrpx_connection_handler.cc
View File

@ -183,7 +183,7 @@ int ConnectionHandler::create_single_worker() {
nb_.get()
#endif // HAVE_NEVERBLEED
);
auto cl_ssl_ctx = ssl::setup_client_ssl_context(
auto cl_ssl_ctx = ssl::setup_downstream_client_ssl_context(
#ifdef HAVE_NEVERBLEED
nb_.get()
#endif // HAVE_NEVERBLEED
@ -215,7 +215,7 @@ int ConnectionHandler::create_worker_thread(size_t num) {
nb_.get()
#endif // HAVE_NEVERBLEED
);
auto cl_ssl_ctx = ssl::setup_client_ssl_context(
auto cl_ssl_ctx = ssl::setup_downstream_client_ssl_context(
#ifdef HAVE_NEVERBLEED
nb_.get()
#endif // HAVE_NEVERBLEED

96
src/shrpx_ssl.cc
View File

@ -660,9 +660,13 @@ int select_h1_next_proto_cb(SSL *ssl, unsigned char **out,
SSL_CTX *create_ssl_client_context(
#ifdef HAVE_NEVERBLEED
neverbleed_t *nb
neverbleed_t *nb,
#endif // HAVE_NEVERBLEED
) {
const char *cacert, const char *cert_file, const char *private_key_file,
const StringRef &alpn,
int (*next_proto_select_cb)(SSL *s, unsigned char **out,
unsigned char *outlen, const unsigned char *in,
unsigned int inlen, void *arg)) {
auto ssl_ctx = SSL_CTX_new(SSLv23_client_method());
if (!ssl_ctx) {
LOG(FATAL) << ERR_error_string(ERR_get_error(), nullptr);
@ -698,71 +702,52 @@ SSL_CTX *create_ssl_client_context(
<< ERR_error_string(ERR_get_error(), nullptr);
}
if (tlsconf.cacert) {
if (SSL_CTX_load_verify_locations(ssl_ctx, tlsconf.cacert.get(), nullptr) !=
1) {
if (cacert) {
if (SSL_CTX_load_verify_locations(ssl_ctx, cacert, nullptr) != 1) {
LOG(FATAL) << "Could not load trusted ca certificates from "
<< tlsconf.cacert.get() << ": "
<< ERR_error_string(ERR_get_error(), nullptr);
LOG(FATAL) << "Could not load trusted ca certificates from " << cacert
<< ": " << ERR_error_string(ERR_get_error(), nullptr);
DIE();
}
}
if (tlsconf.client.private_key_file) {
if (cert_file) {
if (SSL_CTX_use_certificate_chain_file(ssl_ctx, cert_file) != 1) {
LOG(FATAL) << "Could not load client certificate from " << cert_file
<< ": " << ERR_error_string(ERR_get_error(), nullptr);
DIE();
}
}
if (private_key_file) {
#ifndef HAVE_NEVERBLEED
if (SSL_CTX_use_PrivateKey_file(ssl_ctx,
tlsconf.client.private_key_file.get(),
if (SSL_CTX_use_PrivateKey_file(ssl_ctx, private_key_file,
SSL_FILETYPE_PEM) != 1) {
LOG(FATAL) << "Could not load client private key from "
<< tlsconf.client.private_key_file.get() << ": "
<< private_key_file << ": "
<< ERR_error_string(ERR_get_error(), nullptr);
DIE();
}
#else // HAVE_NEVERBLEED
std::array<char, NEVERBLEED_ERRBUF_SIZE> errbuf;
if (neverbleed_load_private_key_file(nb, ssl_ctx,
tlsconf.client.private_key_file.get(),
if (neverbleed_load_private_key_file(nb, ssl_ctx, private_key_file,
errbuf.data()) != 1) {
LOG(FATAL) << "neverbleed_load_private_key_file failed: "
LOG(FATAL) << "neverbleed_load_private_key_file: could not load client "
"private key from " << private_key_file << ": "
<< errbuf.data();
DIE();
}
#endif // HAVE_NEVERBLEED
}
if (tlsconf.client.cert_file) {
if (SSL_CTX_use_certificate_chain_file(
ssl_ctx, tlsconf.client.cert_file.get()) != 1) {
LOG(FATAL) << "Could not load client certificate from "
<< tlsconf.client.cert_file.get() << ": "
<< ERR_error_string(ERR_get_error(), nullptr);
DIE();
}
}
auto &downstreamconf = get_config()->conn.downstream;
if (downstreamconf.proto == PROTO_HTTP2) {
// NPN selection callback
SSL_CTX_set_next_proto_select_cb(ssl_ctx, select_h2_next_proto_cb, nullptr);
SSL_CTX_set_next_proto_select_cb(ssl_ctx, next_proto_select_cb, nullptr);
#if OPENSSL_VERSION_NUMBER >= 0x10002000L
// ALPN advertisement; We only advertise HTTP/2
auto proto_list = util::get_default_alpn();
SSL_CTX_set_alpn_protos(ssl_ctx, proto_list.data(), proto_list.size());
// ALPN advertisement
SSL_CTX_set_alpn_protos(ssl_ctx, alpn.byte(), alpn.size());
#endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
} else {
// NPN selection callback
SSL_CTX_set_next_proto_select_cb(ssl_ctx, select_h1_next_proto_cb, nullptr);
#if OPENSSL_VERSION_NUMBER >= 0x10002000L
SSL_CTX_set_alpn_protos(
ssl_ctx, reinterpret_cast<const unsigned char *>(NGHTTP2_H1_1_ALPN),
str_size(NGHTTP2_H1_1_ALPN));
#endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
}
return ssl_ctx;
}
@ -1304,7 +1289,7 @@ SSL_CTX *setup_server_ssl_context(std::vector<SSL_CTX *> &all_ssl_ctx,
bool downstream_tls_enabled() { return !get_config()->conn.downstream.no_tls; }
SSL_CTX *setup_client_ssl_context(
SSL_CTX *setup_downstream_client_ssl_context(
#ifdef HAVE_NEVERBLEED
neverbleed_t *nb
#endif // HAVE_NEVERBLEED
@ -1313,11 +1298,30 @@ SSL_CTX *setup_client_ssl_context(
return nullptr;
}
auto &tlsconf = get_config()->tls;
auto &downstreamconf = get_config()->conn.downstream;
std::vector<unsigned char> h2alpn;
StringRef alpn;
int (*next_proto_select_cb)(SSL *s, unsigned char **out,
unsigned char *outlen, const unsigned char *in,
unsigned int inlen, void *arg);
if (downstreamconf.proto == PROTO_HTTP2) {
h2alpn = util::get_default_alpn();
alpn = StringRef(h2alpn.data(), h2alpn.size());
next_proto_select_cb = select_h2_next_proto_cb;
} else {
alpn = StringRef::from_lit(NGHTTP2_H1_1_ALPN);
next_proto_select_cb = select_h1_next_proto_cb;
}
return ssl::create_ssl_client_context(
#ifdef HAVE_NEVERBLEED
nb
nb,
#endif // HAVE_NEVERBLEED
);
tlsconf.cacert.get(), tlsconf.client.cert_file.get(),
tlsconf.client.private_key_file.get(), alpn, next_proto_select_cb);
}
CertLookupTree *create_cert_lookup_tree() {

10
src/shrpx_ssl.h
View File

@ -72,9 +72,13 @@ SSL_CTX *create_ssl_context(const char *private_key_file, const char *cert_file
// Create client side SSL_CTX
SSL_CTX *create_ssl_client_context(
#ifdef HAVE_NEVERBLEED
neverbleed_t *nb
neverbleed_t *nb,
#endif // HAVE_NEVERBLEED
);
const char *cacert, const char *cert_file, const char *private_key_file,
const StringRef &alpn,
int (*next_proto_select_cb)(SSL *s, unsigned char **out,
unsigned char *outlen, const unsigned char *in,
unsigned int inlen, void *arg));
ClientHandler *accept_connection(Worker *worker, int fd, sockaddr *addr,
int addrlen, const UpstreamAddr *faddr);
@ -190,7 +194,7 @@ SSL_CTX *setup_server_ssl_context(std::vector<SSL_CTX *> &all_ssl_ctx,
// Setups client side SSL_CTX. This function inspects get_config()
// and if downstream_no_tls is true, returns nullptr. Otherwise, only
// construct SSL_CTX if either client_mode or http2_bridge is true.
SSL_CTX *setup_client_ssl_context(
SSL_CTX *setup_downstream_client_ssl_context(
#ifdef HAVE_NEVERBLEED
neverbleed_t *nb
#endif // HAVE_NEVERBLEED

10
src/template.h
View File

@ -392,11 +392,14 @@ public:
explicit StringRef(const ImmutableString &s)
: base(s.c_str()), len(s.size()) {}
StringRef(const char *s) : base(s), len(strlen(s)) {}
StringRef(const char *s, size_t n) : base(s), len(n) {}
template <typename CharT>
StringRef(const CharT *s, size_t n)
: base(reinterpret_cast<const char *>(s)), len(n) {}
template <typename InputIt>
StringRef(InputIt first, InputIt last)
: base(first), len(std::distance(first, last)) {}
template <size_t N> static StringRef from_lit(const char(&s)[N]) {
template <typename CharT, size_t N>
static StringRef from_lit(const CharT(&s)[N]) {
return StringRef(s, N - 1);
}
@ -412,6 +415,9 @@ public:
const_reference operator[](size_type pos) const { return *(base + pos); }
std::string str() const { return std::string(base, len); }
const uint8_t *byte() const {
return reinterpret_cast<const uint8_t *>(base);
}
private:
const char *base;