diff options
Diffstat (limited to 'src/core/lib/security/security_connector/security_connector.cc')
| -rw-r--r-- | src/core/lib/security/security_connector/security_connector.cc | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/src/core/lib/security/security_connector/security_connector.cc b/src/core/lib/security/security_connector/security_connector.cc index cc72bb6164..04b4c87c71 100644 --- a/src/core/lib/security/security_connector/security_connector.cc +++ b/src/core/lib/security/security_connector/security_connector.cc @@ -21,7 +21,6 @@ #include "src/core/lib/security/security_connector/security_connector.h" #include <stdbool.h> -#include <string.h> #include <grpc/slice_buffer.h> #include <grpc/support/alloc.h> @@ -39,6 +38,7 @@ #include "src/core/lib/security/credentials/credentials.h" #include "src/core/lib/security/credentials/fake/fake_credentials.h" #include "src/core/lib/security/credentials/ssl/ssl_credentials.h" +#include "src/core/lib/security/security_connector/load_system_roots.h" #include "src/core/lib/security/transport/secure_endpoint.h" #include "src/core/lib/security/transport/security_handshaker.h" #include "src/core/lib/security/transport/target_authority_table.h" @@ -57,6 +57,16 @@ static const char* installed_roots_path = INSTALL_PREFIX "/share/grpc/roots.pem"; #endif +/** Environment variable used as a flag to enable/disable loading system root + certificates from the OS trust store. */ +#ifndef GRPC_USE_SYSTEM_SSL_ROOTS_ENV_VAR +#define GRPC_USE_SYSTEM_SSL_ROOTS_ENV_VAR "GRPC_USE_SYSTEM_SSL_ROOTS" +#endif + +#ifndef TSI_OPENSSL_ALPN_SUPPORT +#define TSI_OPENSSL_ALPN_SUPPORT 1 +#endif + /* -- Overridden default roots. -- */ static grpc_ssl_roots_override_callback ssl_roots_override_cb = nullptr; @@ -850,7 +860,8 @@ grpc_auth_context* grpc_ssl_peer_to_auth_context(const tsi_peer* peer) { static grpc_error* ssl_check_peer(grpc_security_connector* sc, const char* peer_name, const tsi_peer* peer, grpc_auth_context** auth_context) { - /* Check the ALPN. */ +#if TSI_OPENSSL_ALPN_SUPPORT + /* Check the ALPN if ALPN is supported. */ const tsi_peer_property* p = tsi_peer_get_property_by_name(peer, TSI_SSL_ALPN_SELECTED_PROTOCOL); if (p == nullptr) { @@ -861,7 +872,7 @@ static grpc_error* ssl_check_peer(grpc_security_connector* sc, return GRPC_ERROR_CREATE_FROM_STATIC_STRING( "Cannot check peer: invalid ALPN value."); } - +#endif /* TSI_OPENSSL_ALPN_SUPPORT */ /* Check the peer name if specified. */ if (peer_name != nullptr && !grpc_ssl_host_matches_name(peer, peer_name)) { char* msg; @@ -1181,6 +1192,10 @@ const char* DefaultSslRootStore::GetPemRootCerts() { grpc_slice DefaultSslRootStore::ComputePemRootCerts() { grpc_slice result = grpc_empty_slice(); + char* use_system_roots_env_value = + gpr_getenv(GRPC_USE_SYSTEM_SSL_ROOTS_ENV_VAR); + const bool use_system_roots = gpr_is_true(use_system_roots_env_value); + gpr_free(use_system_roots_env_value); // First try to load the roots from the environment. char* default_root_certs_path = gpr_getenv(GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR); @@ -1202,7 +1217,11 @@ grpc_slice DefaultSslRootStore::ComputePemRootCerts() { } gpr_free(pem_root_certs); } - // Fall back to installed certs if needed. + // Try loading roots from OS trust store if flag is enabled. + if (GRPC_SLICE_IS_EMPTY(result) && use_system_roots) { + result = LoadSystemRootCerts(); + } + // Fallback to roots manually shipped with gRPC. if (GRPC_SLICE_IS_EMPTY(result) && ovrd_res != GRPC_SSL_ROOTS_OVERRIDE_FAIL_PERMANENTLY) { GRPC_LOG_IF_ERROR("load_file", |