*
*/
-#ifdef REF_CHECK
-# include <assert.h>
-#endif
#include <stdio.h>
#include "ssl_locl.h"
#include <openssl/conf.h>
uint32_t *pcert_flags;
/* Pointer to SSL or SSL_CTX verify_mode or NULL if none */
uint32_t *pvfy_flags;
+ /* Pointer to SSL or SSL_CTX min_version field or NULL if none */
+ int *min_version;
+ /* Pointer to SSL or SSL_CTX max_version field or NULL if none */
+ int *max_version;
/* Current flag table being worked on */
const ssl_flag_tbl *tbl;
/* Size of table */
/* ECDH temporary parameters */
static int cmd_ECDHParameters(SSL_CONF_CTX *cctx, const char *value)
{
- int onoff = -1, rv = 1;
- if (cctx->flags & SSL_CONF_FLAG_FILE) {
- if (*value == '+') {
- onoff = 1;
- value++;
- }
- if (*value == '-') {
- onoff = 0;
- value++;
- }
- if (strcasecmp(value, "automatic") == 0) {
- if (onoff == -1)
- onoff = 1;
- } else if (onoff != -1)
- return 0;
- } else if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
- if (strcmp(value, "auto") == 0)
- onoff = 1;
- }
+ int rv = 1;
+ EC_KEY *ecdh;
+ int nid;
- 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);
- }
+ 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;
}
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("TLSv1.2", SSL_OP_NO_TLSv1_2),
+ 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},
+ {"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[] = {
if (rv > 0 && c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
char **pfilename = &cctx->cert_filename[c->key - c->pkeys];
OPENSSL_free(*pfilename);
- *pfilename = BUF_strdup(value);
+ *pfilename = OPENSSL_strdup(value);
if (!*pfilename)
rv = 0;
}
BIO *in = NULL;
if (cctx->ctx || cctx->ssl) {
in = BIO_new(BIO_s_file());
- if (!in)
+ 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)
+ if (dh == NULL)
goto end;
} else
return 1;
SSL_CONF_CMD_SWITCH("no_tls1_2", 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),
#endif
SSL_CONF_CMD_STRING(CipherString, "cipher", 0),
SSL_CONF_CMD_STRING(Protocol, NULL, 0),
+ SSL_CONF_CMD_STRING(MinProtocol, "min_protocol", SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CLIENT),
+ SSL_CONF_CMD_STRING(MaxProtocol, "max_protocol", SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CLIENT),
SSL_CONF_CMD_STRING(Options, NULL, 0),
SSL_CONF_CMD_STRING(VerifyMode, NULL, 0),
SSL_CONF_CMD(Certificate, "cert", SSL_CONF_FLAG_CERTIFICATE,
{SSL_OP_NO_TLSv1_2, 0}, /* no_tls1_2 */
{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 */
{
char *tmp = NULL;
if (pre) {
- tmp = BUF_strdup(pre);
+ tmp = OPENSSL_strdup(pre);
if (tmp == NULL)
return 0;
}
cctx->ctx = NULL;
if (ssl) {
cctx->poptions = &ssl->options;
+ cctx->min_version = &ssl->min_proto_version;
+ cctx->max_version = &ssl->max_proto_version;
cctx->pcert_flags = &ssl->cert->cert_flags;
cctx->pvfy_flags = &ssl->verify_mode;
} else {
cctx->poptions = NULL;
+ cctx->min_version = NULL;
+ cctx->max_version = NULL;
cctx->pcert_flags = NULL;
cctx->pvfy_flags = NULL;
}
cctx->ssl = NULL;
if (ctx) {
cctx->poptions = &ctx->options;
+ cctx->min_version = &ctx->min_proto_version;
+ cctx->max_version = &ctx->max_proto_version;
cctx->pcert_flags = &ctx->cert->cert_flags;
cctx->pvfy_flags = &ctx->verify_mode;
} else {
cctx->poptions = NULL;
+ cctx->min_version = NULL;
+ cctx->max_version = NULL;
cctx->pcert_flags = NULL;
cctx->pvfy_flags = NULL;
}
projects / openssl.git / blobdiff