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authorhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 01:45:08 -0500
committerhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 01:45:08 -0500
commite8ec7aa8e38a93f5b034ac74cebce5de23710317 (patch)
treeaa031937bf856c1f8d6ad7877b8d2cb0224da5ef /rubbos/app/httpd-2.0.64/modules/ssl/ssl_util_ssl.c
parentcc40af334e619bb549038238507407866f774f8f (diff)
upload http
JIRA: BOTTLENECK-10 Change-Id: I7598427ff904df438ce77c2819ee48ac75ffa8da Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>
Diffstat (limited to 'rubbos/app/httpd-2.0.64/modules/ssl/ssl_util_ssl.c')
-rw-r--r--rubbos/app/httpd-2.0.64/modules/ssl/ssl_util_ssl.c574
1 files changed, 574 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/modules/ssl/ssl_util_ssl.c b/rubbos/app/httpd-2.0.64/modules/ssl/ssl_util_ssl.c
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@@ -0,0 +1,574 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* _ _
+ * _ __ ___ ___ __| | ___ ___| | mod_ssl
+ * | '_ ` _ \ / _ \ / _` | / __/ __| | Apache Interface to OpenSSL
+ * | | | | | | (_) | (_| | \__ \__ \ |
+ * |_| |_| |_|\___/ \__,_|___|___/___/_|
+ * |_____|
+ * ssl_util_ssl.c
+ * Additional Utility Functions for OpenSSL
+ */
+
+#include "mod_ssl.h"
+
+/* _________________________________________________________________
+**
+** Additional High-Level Functions for OpenSSL
+** _________________________________________________________________
+*/
+
+/* we initialize this index at startup time
+ * and never write to it at request time,
+ * so this static is thread safe.
+ * also note that OpenSSL increments at static variable when
+ * SSL_get_ex_new_index() is called, so we _must_ do this at startup.
+ */
+static int SSL_app_data2_idx = -1;
+
+void SSL_init_app_data2_idx(void)
+{
+ int i;
+
+ if (SSL_app_data2_idx > -1) {
+ return;
+ }
+
+ /* we _do_ need to call this twice */
+ for (i=0; i<=1; i++) {
+ SSL_app_data2_idx =
+ SSL_get_ex_new_index(0,
+ "Second Application Data for SSL",
+ NULL, NULL, NULL);
+ }
+}
+
+void *SSL_get_app_data2(SSL *ssl)
+{
+ return (void *)SSL_get_ex_data(ssl, SSL_app_data2_idx);
+}
+
+void SSL_set_app_data2(SSL *ssl, void *arg)
+{
+ SSL_set_ex_data(ssl, SSL_app_data2_idx, (char *)arg);
+ return;
+}
+
+/* _________________________________________________________________
+**
+** High-Level Certificate / Private Key Loading
+** _________________________________________________________________
+*/
+
+X509 *SSL_read_X509(char* filename, X509 **x509, modssl_read_bio_cb_fn *cb)
+{
+ X509 *rc;
+ BIO *bioS;
+ BIO *bioF;
+
+ /* 1. try PEM (= DER+Base64+headers) */
+ if ((bioS=BIO_new_file(filename, "r")) == NULL)
+ return NULL;
+ rc = modssl_PEM_read_bio_X509 (bioS, x509, cb, NULL);
+ BIO_free(bioS);
+
+ if (rc == NULL) {
+ /* 2. try DER+Base64 */
+ if ((bioS=BIO_new_file(filename, "r")) == NULL)
+ return NULL;
+
+ if ((bioF = BIO_new(BIO_f_base64())) == NULL) {
+ BIO_free(bioS);
+ return NULL;
+ }
+ bioS = BIO_push(bioF, bioS);
+ rc = d2i_X509_bio(bioS, NULL);
+ BIO_free_all(bioS);
+
+ if (rc == NULL) {
+ /* 3. try plain DER */
+ if ((bioS=BIO_new_file(filename, "r")) == NULL)
+ return NULL;
+ rc = d2i_X509_bio(bioS, NULL);
+ BIO_free(bioS);
+ }
+ }
+ if (rc != NULL && x509 != NULL) {
+ if (*x509 != NULL)
+ X509_free(*x509);
+ *x509 = rc;
+ }
+ return rc;
+}
+
+#if SSL_LIBRARY_VERSION <= 0x00904100
+static EVP_PKEY *d2i_PrivateKey_bio(BIO *bio, EVP_PKEY **key)
+{
+ return ((EVP_PKEY *)ASN1_d2i_bio(
+ (char *(*)())EVP_PKEY_new,
+ (char *(*)())d2i_PrivateKey,
+ (bio), (unsigned char **)(key)));
+}
+#endif
+
+EVP_PKEY *SSL_read_PrivateKey(char* filename, EVP_PKEY **key, modssl_read_bio_cb_fn *cb, void *s)
+{
+ EVP_PKEY *rc;
+ BIO *bioS;
+ BIO *bioF;
+
+ /* 1. try PEM (= DER+Base64+headers) */
+ if ((bioS=BIO_new_file(filename, "r")) == NULL)
+ return NULL;
+ rc = modssl_PEM_read_bio_PrivateKey(bioS, key, cb, s);
+ BIO_free(bioS);
+
+ if (rc == NULL) {
+ /* 2. try DER+Base64 */
+ if ((bioS = BIO_new_file(filename, "r")) == NULL)
+ return NULL;
+
+ if ((bioF = BIO_new(BIO_f_base64())) == NULL) {
+ BIO_free(bioS);
+ return NULL;
+ }
+ bioS = BIO_push(bioF, bioS);
+ rc = d2i_PrivateKey_bio(bioS, NULL);
+ BIO_free_all(bioS);
+
+ if (rc == NULL) {
+ /* 3. try plain DER */
+ if ((bioS = BIO_new_file(filename, "r")) == NULL)
+ return NULL;
+ rc = d2i_PrivateKey_bio(bioS, NULL);
+ BIO_free(bioS);
+ }
+ }
+ if (rc != NULL && key != NULL) {
+ if (*key != NULL)
+ EVP_PKEY_free(*key);
+ *key = rc;
+ }
+ return rc;
+}
+
+/* _________________________________________________________________
+**
+** Smart shutdown
+** _________________________________________________________________
+*/
+
+int SSL_smart_shutdown(SSL *ssl)
+{
+ int i;
+ int rc;
+
+ /*
+ * Repeat the calls, because SSL_shutdown internally dispatches through a
+ * little state machine. Usually only one or two interation should be
+ * needed, so we restrict the total number of restrictions in order to
+ * avoid process hangs in case the client played bad with the socket
+ * connection and OpenSSL cannot recognize it.
+ */
+ rc = 0;
+ for (i = 0; i < 4 /* max 2x pending + 2x data = 4 */; i++) {
+ if ((rc = SSL_shutdown(ssl)))
+ break;
+ }
+ return rc;
+}
+
+/* _________________________________________________________________
+**
+** Certificate Revocation List (CRL) Storage
+** _________________________________________________________________
+*/
+
+X509_STORE *SSL_X509_STORE_create(char *cpFile, char *cpPath)
+{
+ X509_STORE *pStore;
+ X509_LOOKUP *pLookup;
+
+ if (cpFile == NULL && cpPath == NULL)
+ return NULL;
+ if ((pStore = X509_STORE_new()) == NULL)
+ return NULL;
+ if (cpFile != NULL) {
+ pLookup = X509_STORE_add_lookup(pStore, X509_LOOKUP_file());
+ if (pLookup == NULL) {
+ X509_STORE_free(pStore);
+ return NULL;
+ }
+ X509_LOOKUP_load_file(pLookup, cpFile, X509_FILETYPE_PEM);
+ }
+ if (cpPath != NULL) {
+ pLookup = X509_STORE_add_lookup(pStore, X509_LOOKUP_hash_dir());
+ if (pLookup == NULL) {
+ X509_STORE_free(pStore);
+ return NULL;
+ }
+ X509_LOOKUP_add_dir(pLookup, cpPath, X509_FILETYPE_PEM);
+ }
+ return pStore;
+}
+
+int SSL_X509_STORE_lookup(X509_STORE *pStore, int nType,
+ X509_NAME *pName, X509_OBJECT *pObj)
+{
+ X509_STORE_CTX pStoreCtx;
+ int rc;
+
+ X509_STORE_CTX_init(&pStoreCtx, pStore, NULL, NULL);
+ rc = X509_STORE_get_by_subject(&pStoreCtx, nType, pName, pObj);
+ X509_STORE_CTX_cleanup(&pStoreCtx);
+ return rc;
+}
+
+/* _________________________________________________________________
+**
+** Cipher Suite Spec String Creation
+** _________________________________________________________________
+*/
+
+char *SSL_make_ciphersuite(apr_pool_t *p, SSL *ssl)
+{
+ STACK_OF(SSL_CIPHER) *sk;
+ SSL_CIPHER *c;
+ int i;
+ int l;
+ char *cpCipherSuite;
+ char *cp;
+
+ if (ssl == NULL)
+ return "";
+ if ((sk = (STACK_OF(SSL_CIPHER) *)SSL_get_ciphers(ssl)) == NULL)
+ return "";
+ l = 0;
+ for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
+ c = sk_SSL_CIPHER_value(sk, i);
+ l += strlen(SSL_CIPHER_get_name(c))+2+1;
+ }
+ if (l == 0)
+ return "";
+ cpCipherSuite = (char *)apr_palloc(p, l+1);
+ cp = cpCipherSuite;
+ for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
+ c = sk_SSL_CIPHER_value(sk, i);
+ l = strlen(SSL_CIPHER_get_name(c));
+ memcpy(cp, SSL_CIPHER_get_name(c), l);
+ cp += l;
+ *cp++ = '/';
+ *cp++ = (SSL_CIPHER_get_valid(c) == 1 ? '1' : '0');
+ *cp++ = ':';
+ }
+ *(cp-1) = NUL;
+ return cpCipherSuite;
+}
+
+/* _________________________________________________________________
+**
+** Certificate Checks
+** _________________________________________________________________
+*/
+
+/* check whether cert contains extended key usage with a SGC tag */
+BOOL SSL_X509_isSGC(X509 *cert)
+{
+#ifdef HAVE_SSL_X509V3_EXT_d2i
+ X509_EXTENSION *ext;
+ int ext_nid;
+ STACK *sk;
+ BOOL is_sgc;
+ int idx;
+ int i;
+
+ is_sgc = FALSE;
+ idx = X509_get_ext_by_NID(cert, NID_ext_key_usage, -1);
+ if (idx >= 0) {
+ ext = X509_get_ext(cert, idx);
+ if ((sk = (STACK *)X509V3_EXT_d2i(ext)) != NULL) {
+ for (i = 0; i < sk_num(sk); i++) {
+ ext_nid = OBJ_obj2nid((ASN1_OBJECT *)sk_value(sk, i));
+ if (ext_nid == NID_ms_sgc || ext_nid == NID_ns_sgc) {
+ is_sgc = TRUE;
+ break;
+ }
+ }
+ }
+ }
+ return is_sgc;
+#else
+ return FALSE;
+#endif
+}
+
+/* retrieve basic constraints ingredients */
+BOOL SSL_X509_getBC(X509 *cert, int *ca, int *pathlen)
+{
+#ifdef HAVE_SSL_X509V3_EXT_d2i
+ X509_EXTENSION *ext;
+ BASIC_CONSTRAINTS *bc;
+ int idx;
+ BIGNUM *bn = NULL;
+ char *cp;
+
+ if ((idx = X509_get_ext_by_NID(cert, NID_basic_constraints, -1)) < 0)
+ return FALSE;
+ ext = X509_get_ext(cert, idx);
+ if (ext == NULL)
+ return FALSE;
+ if ((bc = (BASIC_CONSTRAINTS *)X509V3_EXT_d2i(ext)) == NULL)
+ return FALSE;
+ *ca = bc->ca;
+ *pathlen = -1 /* unlimited */;
+ if (bc->pathlen != NULL) {
+ if ((bn = ASN1_INTEGER_to_BN(bc->pathlen, NULL)) == NULL)
+ return FALSE;
+ if ((cp = BN_bn2dec(bn)) == NULL)
+ return FALSE;
+ *pathlen = atoi(cp);
+ free(cp);
+ BN_free(bn);
+ }
+ BASIC_CONSTRAINTS_free(bc);
+ return TRUE;
+#else
+ return FALSE;
+#endif
+}
+
+/* retrieve subject CommonName of certificate */
+BOOL SSL_X509_getCN(apr_pool_t *p, X509 *xs, char **cppCN)
+{
+ X509_NAME *xsn;
+ X509_NAME_ENTRY *xsne;
+ int i, nid;
+ unsigned char *data_ptr;
+ int data_len;
+
+ xsn = X509_get_subject_name(xs);
+ for (i = 0; i < sk_X509_NAME_ENTRY_num((STACK_OF(X509_NAME_ENTRY) *)
+ X509_NAME_get_entries(xsn)); i++) {
+ xsne = sk_X509_NAME_ENTRY_value((STACK_OF(X509_NAME_ENTRY) *)
+ X509_NAME_get_entries(xsn), i);
+ nid = OBJ_obj2nid((ASN1_OBJECT *)X509_NAME_ENTRY_get_object(xsne));
+ if (nid == NID_commonName) {
+ data_ptr = X509_NAME_ENTRY_get_data_ptr(xsne);
+ data_len = X509_NAME_ENTRY_get_data_len(xsne);
+ *cppCN = apr_palloc(p, data_len+1);
+ apr_cpystrn(*cppCN, (char *)data_ptr, data_len+1);
+ (*cppCN)[data_len] = NUL;
+#ifdef CHARSET_EBCDIC
+ ascii2ebcdic(*cppCN, *cppCN, strlen(*cppCN));
+#endif
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+/* _________________________________________________________________
+**
+** Low-Level CA Certificate Loading
+** _________________________________________________________________
+*/
+
+BOOL SSL_X509_INFO_load_file(apr_pool_t *ptemp,
+ STACK_OF(X509_INFO) *sk,
+ const char *filename)
+{
+ BIO *in;
+
+ if (!(in = BIO_new(BIO_s_file()))) {
+ return FALSE;
+ }
+
+ if (BIO_read_filename(in, MODSSL_PCHAR_CAST filename) <= 0) {
+ BIO_free(in);
+ return FALSE;
+ }
+
+ ERR_clear_error();
+
+ modssl_PEM_X509_INFO_read_bio(in, sk, NULL, NULL);
+
+ BIO_free(in);
+
+ return TRUE;
+}
+
+BOOL SSL_X509_INFO_load_path(apr_pool_t *ptemp,
+ STACK_OF(X509_INFO) *sk,
+ const char *pathname)
+{
+ /* XXX: this dir read code is exactly the same as that in
+ * ssl_engine_init.c, only the call to handle the fullname is different,
+ * should fold the duplication.
+ */
+ apr_dir_t *dir;
+ apr_finfo_t dirent;
+ apr_int32_t finfo_flags = APR_FINFO_TYPE|APR_FINFO_NAME;
+ const char *fullname;
+ BOOL ok = FALSE;
+
+ if (apr_dir_open(&dir, pathname, ptemp) != APR_SUCCESS) {
+ return FALSE;
+ }
+
+ while ((apr_dir_read(&dirent, finfo_flags, dir)) == APR_SUCCESS) {
+ if (dirent.filetype == APR_DIR) {
+ continue; /* don't try to load directories */
+ }
+
+ fullname = apr_pstrcat(ptemp,
+ pathname, "/", dirent.name,
+ NULL);
+
+ if (SSL_X509_INFO_load_file(ptemp, sk, fullname)) {
+ ok = TRUE;
+ }
+ }
+
+ apr_dir_close(dir);
+
+ return ok;
+}
+
+/* _________________________________________________________________
+**
+** Extra Server Certificate Chain Support
+** _________________________________________________________________
+*/
+
+/*
+ * Read a file that optionally contains the server certificate in PEM
+ * format, possibly followed by a sequence of CA certificates that
+ * should be sent to the peer in the SSL Certificate message.
+ */
+int SSL_CTX_use_certificate_chain(
+ SSL_CTX *ctx, char *file, int skipfirst, modssl_read_bio_cb_fn *cb)
+{
+ BIO *bio;
+ X509 *x509;
+ unsigned long err;
+ int n;
+ STACK *extra_certs;
+
+ if ((bio = BIO_new(BIO_s_file_internal())) == NULL)
+ return -1;
+ if (BIO_read_filename(bio, file) <= 0) {
+ BIO_free(bio);
+ return -1;
+ }
+ /* optionally skip a leading server certificate */
+ if (skipfirst) {
+ if ((x509 = modssl_PEM_read_bio_X509(bio, NULL, cb, NULL)) == NULL) {
+ BIO_free(bio);
+ return -1;
+ }
+ X509_free(x509);
+ }
+ /* free a perhaps already configured extra chain */
+ extra_certs=SSL_CTX_get_extra_certs(ctx);
+ if (extra_certs != NULL) {
+ sk_X509_pop_free((STACK_OF(X509) *)extra_certs, X509_free);
+ SSL_CTX_set_extra_certs(ctx,NULL);
+ }
+ /* create new extra chain by loading the certs */
+ n = 0;
+ while ((x509 = modssl_PEM_read_bio_X509(bio, NULL, cb, NULL)) != NULL) {
+ if (!SSL_CTX_add_extra_chain_cert(ctx, x509)) {
+ X509_free(x509);
+ BIO_free(bio);
+ return -1;
+ }
+ n++;
+ }
+ /* Make sure that only the error is just an EOF */
+ if ((err = ERR_peek_error()) > 0) {
+ if (!( ERR_GET_LIB(err) == ERR_LIB_PEM
+ && ERR_GET_REASON(err) == PEM_R_NO_START_LINE)) {
+ BIO_free(bio);
+ return -1;
+ }
+ while (ERR_get_error() > 0) ;
+ }
+ BIO_free(bio);
+ return n;
+}
+
+/* _________________________________________________________________
+**
+** Session Stuff
+** _________________________________________________________________
+*/
+
+char *SSL_SESSION_id2sz(unsigned char *id, int idlen,
+ char *str, int strsize)
+{
+ char *cp;
+ int n;
+
+ cp = str;
+ for (n = 0; n < idlen && n < SSL_MAX_SSL_SESSION_ID_LENGTH; n++) {
+ apr_snprintf(cp, strsize - (cp-str), "%02X", id[n]);
+ cp += 2;
+ }
+ *cp = NUL;
+ return str;
+}
+
+/* sslc+OpenSSL compat */
+
+int modssl_session_get_time(SSL_SESSION *session)
+{
+#ifdef OPENSSL_VERSION_NUMBER
+ return SSL_SESSION_get_time(session);
+#else /* assume sslc */
+ CRYPTO_TIME_T ct;
+ SSL_SESSION_get_time(session, &ct);
+ return CRYPTO_time_to_int(&ct);
+#endif
+}
+
+#ifndef SSLC_VERSION_NUMBER
+#define SSLC_VERSION_NUMBER 0x0000
+#endif
+
+DH *modssl_dh_configure(unsigned char *p, int plen,
+ unsigned char *g, int glen)
+{
+ DH *dh;
+
+ if (!(dh = DH_new())) {
+ return NULL;
+ }
+
+#if defined(OPENSSL_VERSION_NUMBER) || (SSLC_VERSION_NUMBER < 0x2000)
+ dh->p = BN_bin2bn(p, plen, NULL);
+ dh->g = BN_bin2bn(g, glen, NULL);
+ if (!(dh->p && dh->g)) {
+ DH_free(dh);
+ return NULL;
+ }
+#else
+ R_EITEMS_add(dh->data, PK_TYPE_DH, PK_DH_P, 0, p, plen, R_EITEMS_PF_COPY);
+ R_EITEMS_add(dh->data, PK_TYPE_DH, PK_DH_G, 0, g, glen, R_EITEMS_PF_COPY);
+#endif
+
+ return dh;
+}