-static int cmd_ecdhparam(SSL_CONF_CTX *cctx, const char *value)
- {
- int onoff = -1, rv = 1;
- if (!(cctx->flags & SSL_CONF_FLAG_SERVER))
- return -2;
- if (cctx->flags & SSL_CONF_FLAG_FILE)
- {
- if (*value == '+')
- {
- onoff = 1;
- value++;
- }
- if (*value == '-')
- {
- onoff = 0;
- value++;
- }
- if (!strcasecmp(value, "automatic"))
- {
- if (onoff != -1)
- onoff = 1;
- }
- else if (onoff != -1)
- return 0;
- }
- else if (cctx->flags & SSL_CONF_FLAG_CMDLINE)
- {
- if (!strcmp(value, "auto"))
- onoff = 1;
- }
-
- if (onoff != -1)
- {
- if (cctx->ctx)
- rv = SSL_CTX_set_ecdh_auto(cctx->ctx, onoff);
- else if (cctx->ssl)
- rv = SSL_set_ecdh_auto(cctx->ssl, onoff);
- }
- else
- {
- EC_KEY *ecdh;
- int nid;
- nid = EC_curve_nist2nid(value);
- if (nid == NID_undef)
- nid = OBJ_sn2nid(value);
- if (nid == 0)
- return 0;
- ecdh = EC_KEY_new_by_curve_name(nid);
- if (!ecdh)
- return 0;
- if (cctx->ctx)
- rv = SSL_CTX_set_tmp_ecdh(cctx->ctx, ecdh);
- else if (cctx->ssl)
- rv = SSL_set_tmp_ecdh(cctx->ssl, ecdh);
- EC_KEY_free(ecdh);
- }
-
- return rv > 0;
- }
-
-static int cmd_cipher_list(SSL_CONF_CTX *cctx, const char *value)
- {
- int rv = 1;
- if (cctx->ctx)
- rv = SSL_CTX_set_cipher_list(cctx->ctx, value);
- if (cctx->ssl)
- rv = SSL_set_cipher_list(cctx->ssl, value);
- return rv > 0;
- }
-
-static int cmd_protocol(SSL_CONF_CTX *cctx, const char *value)
- {
- static const ssl_flag_tbl ssl_protocol_list[] =
- {
- SSL_FLAG_TBL_INV("ALL", SSL_OP_NO_SSL_MASK),
- SSL_FLAG_TBL_INV("SSLv2", SSL_OP_NO_SSLv2),
- SSL_FLAG_TBL_INV("SSLv3", SSL_OP_NO_SSLv3),
- SSL_FLAG_TBL_INV("TLSv1", SSL_OP_NO_TLSv1),
- SSL_FLAG_TBL_INV("TLSv1.1", SSL_OP_NO_TLSv1_1),
- SSL_FLAG_TBL_INV("TLSv1.2", SSL_OP_NO_TLSv1_2)
- };
- if (!(cctx->flags & SSL_CONF_FLAG_FILE))
- return -2;
- cctx->tbl = ssl_protocol_list;
- cctx->ntbl = sizeof(ssl_protocol_list)/sizeof(ssl_flag_tbl);
- return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
- }
-
-static int cmd_options(SSL_CONF_CTX *cctx, const char *value)
- {
- static const ssl_flag_tbl ssl_option_list[] =
- {
- SSL_FLAG_TBL_INV("SessionTicket", SSL_OP_NO_TICKET),
- SSL_FLAG_TBL_INV("EmptyFragments", SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS),
- SSL_FLAG_TBL("Bugs", SSL_OP_ALL),
- SSL_FLAG_TBL_INV("Compression", SSL_OP_NO_COMPRESSION),
- SSL_FLAG_TBL_SRV("ServerPreference", SSL_OP_CIPHER_SERVER_PREFERENCE),
- SSL_FLAG_TBL_SRV("DHSingle", SSL_OP_SINGLE_DH_USE),
- SSL_FLAG_TBL_SRV("ECDHSingle", SSL_OP_SINGLE_ECDH_USE),
- SSL_FLAG_TBL("UnsafeLegacyRenegotiation", SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION),
- };
- if (!(cctx->flags & SSL_CONF_FLAG_FILE))
- return -2;
- if (value == NULL)
- return -3;
- cctx->tbl = ssl_option_list;
- cctx->ntbl = sizeof(ssl_option_list)/sizeof(ssl_flag_tbl);
- return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
- }
-
-typedef struct
- {
- int (*cmd)(SSL_CONF_CTX *cctx, const char *value);
- const char *str_file;
- const char *str_cmdline;
- } ssl_conf_cmd_tbl;
-
-/* Table of supported patameters */
-
-static ssl_conf_cmd_tbl ssl_conf_cmds[] = {
- {cmd_sigalgs, "SignatureAlgorithms", "sigalgs"},
- {cmd_client_sigalgs, "ClientSignatureAlgorithms", "client_sigalgs"},
- {cmd_curves, "Curves", "curves"},
- {cmd_ecdhparam, "ECDHParameters", "named_curve"},
- {cmd_cipher_list, "CipherString", "cipher"},
- {cmd_protocol, "Protocol", NULL},
- {cmd_options, "Options", NULL},
+static int cmd_ECDHParameters(SSL_CONF_CTX *cctx, const char *value)
+{
+ int rv = 1;
+ EC_KEY *ecdh;
+ int nid;
+
+ nid = EC_curve_nist2nid(value);
+ if (nid == NID_undef)
+ nid = OBJ_sn2nid(value);
+ if (nid == 0)
+ return 0;
+ ecdh = EC_KEY_new_by_curve_name(nid);
+ if (!ecdh)
+ return 0;
+ if (cctx->ctx)
+ rv = SSL_CTX_set_tmp_ecdh(cctx->ctx, ecdh);
+ else if (cctx->ssl)
+ rv = SSL_set_tmp_ecdh(cctx->ssl, ecdh);
+ EC_KEY_free(ecdh);
+
+ return rv > 0;
+}
+#endif
+static int cmd_CipherString(SSL_CONF_CTX *cctx, const char *value)
+{
+ int rv = 1;
+ if (cctx->ctx)
+ rv = SSL_CTX_set_cipher_list(cctx->ctx, value);
+ if (cctx->ssl)
+ rv = SSL_set_cipher_list(cctx->ssl, value);
+ return rv > 0;
+}
+
+static int cmd_Protocol(SSL_CONF_CTX *cctx, const char *value)
+{
+ static const ssl_flag_tbl ssl_protocol_list[] = {
+ SSL_FLAG_TBL_INV("ALL", SSL_OP_NO_SSL_MASK),
+ SSL_FLAG_TBL_INV("SSLv2", SSL_OP_NO_SSLv2),
+ SSL_FLAG_TBL_INV("SSLv3", SSL_OP_NO_SSLv3),
+ SSL_FLAG_TBL_INV("TLSv1", SSL_OP_NO_TLSv1),
+ SSL_FLAG_TBL_INV("TLSv1.1", SSL_OP_NO_TLSv1_1),
+ SSL_FLAG_TBL_INV("TLSv1.2", SSL_OP_NO_TLSv1_2),
+ SSL_FLAG_TBL_INV("TLSv1.3", SSL_OP_NO_TLSv1_3),
+ SSL_FLAG_TBL_INV("DTLSv1", SSL_OP_NO_DTLSv1),
+ SSL_FLAG_TBL_INV("DTLSv1.2", SSL_OP_NO_DTLSv1_2)
+ };
+ cctx->tbl = ssl_protocol_list;
+ cctx->ntbl = OSSL_NELEM(ssl_protocol_list);
+ return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
+}
+
+/*
+ * protocol_from_string - converts a protocol version string to a number
+ *
+ * Returns -1 on failure or the version on success
+ */
+static int protocol_from_string(const char *value)
+{
+ struct protocol_versions {
+ const char *name;
+ int version;
+ };
+ static const struct protocol_versions versions[] = {
+ {"None", 0},
+ {"SSLv3", SSL3_VERSION},
+ {"TLSv1", TLS1_VERSION},
+ {"TLSv1.1", TLS1_1_VERSION},
+ {"TLSv1.2", TLS1_2_VERSION},
+ {"TLSv1.3", TLS1_3_VERSION},
+ {"DTLSv1", DTLS1_VERSION},
+ {"DTLSv1.2", DTLS1_2_VERSION}
+ };
+ size_t i;
+ size_t n = OSSL_NELEM(versions);
+
+ for (i = 0; i < n; i++)
+ if (strcmp(versions[i].name, value) == 0)
+ return versions[i].version;
+ return -1;
+}
+
+static int min_max_proto(SSL_CONF_CTX *cctx, const char *value, int *bound)
+{
+ int method_version;
+ int new_version;
+
+ if (cctx->ctx != NULL)
+ method_version = cctx->ctx->method->version;
+ else if (cctx->ssl != NULL)
+ method_version = cctx->ssl->ctx->method->version;
+ else
+ return 0;
+ if ((new_version = protocol_from_string(value)) < 0)
+ return 0;
+ return ssl_set_version_bound(method_version, new_version, bound);
+}
+
+/*
+ * cmd_MinProtocol - Set min protocol version
+ * @cctx: config structure to save settings in
+ * @value: The min protocol version in string form
+ *
+ * Returns 1 on success and 0 on failure.
+ */
+static int cmd_MinProtocol(SSL_CONF_CTX *cctx, const char *value)
+{
+ return min_max_proto(cctx, value, cctx->min_version);
+}
+
+/*
+ * cmd_MaxProtocol - Set max protocol version
+ * @cctx: config structure to save settings in
+ * @value: The max protocol version in string form
+ *
+ * Returns 1 on success and 0 on failure.
+ */
+static int cmd_MaxProtocol(SSL_CONF_CTX *cctx, const char *value)
+{
+ return min_max_proto(cctx, value, cctx->max_version);
+}
+
+static int cmd_Options(SSL_CONF_CTX *cctx, const char *value)
+{
+ static const ssl_flag_tbl ssl_option_list[] = {
+ SSL_FLAG_TBL_INV("SessionTicket", SSL_OP_NO_TICKET),
+ SSL_FLAG_TBL_INV("EmptyFragments",
+ SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS),
+ SSL_FLAG_TBL("Bugs", SSL_OP_ALL),
+ SSL_FLAG_TBL_INV("Compression", SSL_OP_NO_COMPRESSION),
+ SSL_FLAG_TBL_SRV("ServerPreference", SSL_OP_CIPHER_SERVER_PREFERENCE),
+ SSL_FLAG_TBL_SRV("NoResumptionOnRenegotiation",
+ SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION),
+ SSL_FLAG_TBL_SRV("DHSingle", SSL_OP_SINGLE_DH_USE),
+ SSL_FLAG_TBL_SRV("ECDHSingle", SSL_OP_SINGLE_ECDH_USE),
+ SSL_FLAG_TBL("UnsafeLegacyRenegotiation",
+ SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION),
+ SSL_FLAG_TBL_INV("EncryptThenMac", SSL_OP_NO_ENCRYPT_THEN_MAC),
+ };
+ if (value == NULL)
+ return -3;
+ cctx->tbl = ssl_option_list;
+ cctx->ntbl = OSSL_NELEM(ssl_option_list);
+ return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
+}
+
+static int cmd_VerifyMode(SSL_CONF_CTX *cctx, const char *value)
+{
+ static const ssl_flag_tbl ssl_vfy_list[] = {
+ SSL_FLAG_VFY_CLI("Peer", SSL_VERIFY_PEER),
+ SSL_FLAG_VFY_SRV("Request", SSL_VERIFY_PEER),
+ SSL_FLAG_VFY_SRV("Require",
+ SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT),
+ SSL_FLAG_VFY_SRV("Once", SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE)
+ };
+ if (value == NULL)
+ return -3;
+ cctx->tbl = ssl_vfy_list;
+ cctx->ntbl = OSSL_NELEM(ssl_vfy_list);
+ return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
+}
+
+static int cmd_Certificate(SSL_CONF_CTX *cctx, const char *value)
+{
+ int rv = 1;
+ CERT *c = NULL;
+ if (cctx->ctx) {
+ rv = SSL_CTX_use_certificate_chain_file(cctx->ctx, value);
+ c = cctx->ctx->cert;
+ }
+ if (cctx->ssl) {
+ rv = SSL_use_certificate_chain_file(cctx->ssl, value);
+ c = cctx->ssl->cert;
+ }
+ if (rv > 0 && c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
+ char **pfilename = &cctx->cert_filename[c->key - c->pkeys];
+ OPENSSL_free(*pfilename);
+ *pfilename = OPENSSL_strdup(value);
+ if (!*pfilename)
+ rv = 0;
+ }
+
+ return rv > 0;
+}
+
+static int cmd_PrivateKey(SSL_CONF_CTX *cctx, const char *value)
+{
+ int rv = 1;
+ if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE))
+ return -2;
+ if (cctx->ctx)
+ rv = SSL_CTX_use_PrivateKey_file(cctx->ctx, value, SSL_FILETYPE_PEM);
+ if (cctx->ssl)
+ rv = SSL_use_PrivateKey_file(cctx->ssl, value, SSL_FILETYPE_PEM);
+ return rv > 0;
+}
+
+static int cmd_ServerInfoFile(SSL_CONF_CTX *cctx, const char *value)
+{
+ int rv = 1;
+ if (cctx->ctx)
+ rv = SSL_CTX_use_serverinfo_file(cctx->ctx, value);
+ return rv > 0;
+}
+
+static int do_store(SSL_CONF_CTX *cctx,
+ const char *CAfile, const char *CApath, int verify_store)
+{
+ CERT *cert;
+ X509_STORE **st;
+ if (cctx->ctx)
+ cert = cctx->ctx->cert;
+ else if (cctx->ssl)
+ cert = cctx->ssl->cert;
+ else
+ return 1;
+ st = verify_store ? &cert->verify_store : &cert->chain_store;
+ if (*st == NULL) {
+ *st = X509_STORE_new();
+ if (*st == NULL)
+ return 0;
+ }
+ return X509_STORE_load_locations(*st, CAfile, CApath) > 0;
+}
+
+static int cmd_ChainCAPath(SSL_CONF_CTX *cctx, const char *value)
+{
+ return do_store(cctx, NULL, value, 0);
+}
+
+static int cmd_ChainCAFile(SSL_CONF_CTX *cctx, const char *value)
+{
+ return do_store(cctx, value, NULL, 0);
+}
+
+static int cmd_VerifyCAPath(SSL_CONF_CTX *cctx, const char *value)
+{
+ return do_store(cctx, NULL, value, 1);
+}
+
+static int cmd_VerifyCAFile(SSL_CONF_CTX *cctx, const char *value)
+{
+ return do_store(cctx, value, NULL, 1);
+}
+
+static int cmd_ClientCAFile(SSL_CONF_CTX *cctx, const char *value)
+{
+ if (cctx->canames == NULL)
+ cctx->canames = sk_X509_NAME_new_null();
+ if (cctx->canames == NULL)
+ return 0;
+ return SSL_add_file_cert_subjects_to_stack(cctx->canames, value);
+}
+
+static int cmd_ClientCAPath(SSL_CONF_CTX *cctx, const char *value)
+{
+ if (cctx->canames == NULL)
+ cctx->canames = sk_X509_NAME_new_null();
+ if (cctx->canames == NULL)
+ return 0;
+ return SSL_add_dir_cert_subjects_to_stack(cctx->canames, value);
+}
+
+#ifndef OPENSSL_NO_DH
+static int cmd_DHParameters(SSL_CONF_CTX *cctx, const char *value)
+{
+ int rv = 0;
+ DH *dh = NULL;
+ BIO *in = NULL;
+ if (cctx->ctx || cctx->ssl) {
+ in = BIO_new(BIO_s_file());
+ if (in == NULL)
+ goto end;
+ if (BIO_read_filename(in, value) <= 0)
+ goto end;
+ dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL);
+ if (dh == NULL)
+ goto end;
+ } else
+ return 1;
+ if (cctx->ctx)
+ rv = SSL_CTX_set_tmp_dh(cctx->ctx, dh);
+ if (cctx->ssl)
+ rv = SSL_set_tmp_dh(cctx->ssl, dh);
+ end:
+ DH_free(dh);
+ BIO_free(in);
+ return rv > 0;
+}
+#endif
+typedef struct {
+ int (*cmd) (SSL_CONF_CTX *cctx, const char *value);
+ const char *str_file;
+ const char *str_cmdline;
+ unsigned short flags;
+ unsigned short value_type;
+} ssl_conf_cmd_tbl;
+
+/* Table of supported parameters */
+
+#define SSL_CONF_CMD(name, cmdopt, flags, type) \
+ {cmd_##name, #name, cmdopt, flags, type}
+
+#define SSL_CONF_CMD_STRING(name, cmdopt, flags) \
+ SSL_CONF_CMD(name, cmdopt, flags, SSL_CONF_TYPE_STRING)
+
+#define SSL_CONF_CMD_SWITCH(name, flags) \
+ {0, NULL, name, flags, SSL_CONF_TYPE_NONE}
+
+/* See apps/apps.h if you change this table. */
+static const ssl_conf_cmd_tbl ssl_conf_cmds[] = {
+ SSL_CONF_CMD_SWITCH("no_ssl3", 0),
+ SSL_CONF_CMD_SWITCH("no_tls1", 0),
+ SSL_CONF_CMD_SWITCH("no_tls1_1", 0),
+ SSL_CONF_CMD_SWITCH("no_tls1_2", 0),
+ SSL_CONF_CMD_SWITCH("no_tls1_3", 0),
+ SSL_CONF_CMD_SWITCH("bugs", 0),
+ SSL_CONF_CMD_SWITCH("no_comp", 0),
+ SSL_CONF_CMD_SWITCH("comp", 0),
+ SSL_CONF_CMD_SWITCH("ecdh_single", SSL_CONF_FLAG_SERVER),
+ SSL_CONF_CMD_SWITCH("no_ticket", 0),
+ SSL_CONF_CMD_SWITCH("serverpref", SSL_CONF_FLAG_SERVER),
+ SSL_CONF_CMD_SWITCH("legacy_renegotiation", 0),
+ SSL_CONF_CMD_SWITCH("legacy_server_connect", SSL_CONF_FLAG_SERVER),
+ SSL_CONF_CMD_SWITCH("no_resumption_on_reneg", SSL_CONF_FLAG_SERVER),
+ SSL_CONF_CMD_SWITCH("no_legacy_server_connect", SSL_CONF_FLAG_SERVER),
+ SSL_CONF_CMD_SWITCH("strict", 0),
+ SSL_CONF_CMD_STRING(SignatureAlgorithms, "sigalgs", 0),
+ SSL_CONF_CMD_STRING(ClientSignatureAlgorithms, "client_sigalgs", 0),
+ SSL_CONF_CMD_STRING(Curves, "curves", 0),
+ SSL_CONF_CMD_STRING(Groups, "groups", 0),
+#ifndef OPENSSL_NO_EC
+ SSL_CONF_CMD_STRING(ECDHParameters, "named_curve", SSL_CONF_FLAG_SERVER),
+#endif
+ SSL_CONF_CMD_STRING(CipherString, "cipher", 0),
+ SSL_CONF_CMD_STRING(Protocol, NULL, 0),
+ SSL_CONF_CMD_STRING(MinProtocol, "min_protocol", 0),
+ SSL_CONF_CMD_STRING(MaxProtocol, "max_protocol", 0),
+ SSL_CONF_CMD_STRING(Options, NULL, 0),
+ SSL_CONF_CMD_STRING(VerifyMode, NULL, 0),
+ SSL_CONF_CMD(Certificate, "cert", SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_FILE),
+ SSL_CONF_CMD(PrivateKey, "key", SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_FILE),
+ SSL_CONF_CMD(ServerInfoFile, NULL,
+ SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_FILE),
+ SSL_CONF_CMD(ChainCAPath, "chainCApath", SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_DIR),
+ SSL_CONF_CMD(ChainCAFile, "chainCAfile", SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_FILE),
+ SSL_CONF_CMD(VerifyCAPath, "verifyCApath", SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_DIR),
+ SSL_CONF_CMD(VerifyCAFile, "verifyCAfile", SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_FILE),
+ SSL_CONF_CMD(ClientCAFile, NULL,
+ SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_FILE),
+ SSL_CONF_CMD(ClientCAPath, NULL,
+ SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_DIR),
+#ifndef OPENSSL_NO_DH
+ SSL_CONF_CMD(DHParameters, "dhparam",
+ SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_FILE)
+#endif
+};
+
+/* Supported switches: must match order of switches in ssl_conf_cmds */
+static const ssl_switch_tbl ssl_cmd_switches[] = {
+ {SSL_OP_NO_SSLv3, 0}, /* no_ssl3 */
+ {SSL_OP_NO_TLSv1, 0}, /* no_tls1 */
+ {SSL_OP_NO_TLSv1_1, 0}, /* no_tls1_1 */
+ {SSL_OP_NO_TLSv1_2, 0}, /* no_tls1_2 */
+ {SSL_OP_NO_TLSv1_3, 0}, /* no_tls1_3 */
+ {SSL_OP_ALL, 0}, /* bugs */
+ {SSL_OP_NO_COMPRESSION, 0}, /* no_comp */
+ {SSL_OP_NO_COMPRESSION, SSL_TFLAG_INV}, /* comp */
+ {SSL_OP_SINGLE_ECDH_USE, 0}, /* ecdh_single */
+ {SSL_OP_NO_TICKET, 0}, /* no_ticket */
+ {SSL_OP_CIPHER_SERVER_PREFERENCE, 0}, /* serverpref */
+ /* legacy_renegotiation */
+ {SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION, 0},
+ /* legacy_server_connect */
+ {SSL_OP_LEGACY_SERVER_CONNECT, 0},
+ /* no_resumption_on_reneg */
+ {SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION, 0},
+ /* no_legacy_server_connect */
+ {SSL_OP_LEGACY_SERVER_CONNECT, SSL_TFLAG_INV},
+ {SSL_CERT_FLAG_TLS_STRICT, SSL_TFLAG_CERT}, /* strict */