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web/SOURCES/httpd-2.4.6-r1634529.patch

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diff --git a/modules/ssl/ssl_engine_init.c b/modules/ssl/ssl_engine_init.c
index 9811af8..568627f 100644
--- a/modules/ssl/ssl_engine_init.c
+++ b/modules/ssl/ssl_engine_init.c
@@ -276,7 +276,7 @@ int ssl_init_Module(apr_pool_t *p, apr_pool_t *plog,
return HTTP_INTERNAL_SERVER_ERROR;
}
#ifdef HAVE_OCSP_STAPLING
- ssl_stapling_ex_init();
+ ssl_stapling_certinfo_hash_init(p);
#endif
/*
@@ -899,6 +899,8 @@ static void ssl_init_ctx(server_rec *s,
}
static int ssl_server_import_cert(server_rec *s,
+ apr_pool_t *p,
+ apr_pool_t *ptemp,
modssl_ctx_t *mctx,
const char *id,
int idx)
@@ -933,7 +935,7 @@ static int ssl_server_import_cert(server_rec *s,
#ifdef HAVE_OCSP_STAPLING
if ((mctx->pkp == FALSE) && (mctx->stapling_enabled == TRUE)) {
- if (!ssl_stapling_init_cert(s, mctx, cert)) {
+ if (!ssl_stapling_init_cert(s, p, ptemp, mctx, cert)) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, APLOGNO(02235)
"Unable to configure server certificate for stapling");
}
@@ -1081,10 +1083,10 @@ static void ssl_init_server_certs(server_rec *s,
ecc_id = ssl_asn1_table_keyfmt(ptemp, vhost_id, SSL_AIDX_ECC);
#endif
- have_rsa = ssl_server_import_cert(s, mctx, rsa_id, SSL_AIDX_RSA);
- have_dsa = ssl_server_import_cert(s, mctx, dsa_id, SSL_AIDX_DSA);
+ have_rsa = ssl_server_import_cert(s, p, ptemp, mctx, rsa_id, SSL_AIDX_RSA);
+ have_dsa = ssl_server_import_cert(s, p, ptemp, mctx, dsa_id, SSL_AIDX_DSA);
#ifndef OPENSSL_NO_EC
- have_ecc = ssl_server_import_cert(s, mctx, ecc_id, SSL_AIDX_ECC);
+ have_ecc = ssl_server_import_cert(s, p, ptemp, mctx, ecc_id, SSL_AIDX_ECC);
#endif
if (!(have_rsa || have_dsa
diff --git a/modules/ssl/ssl_private.h b/modules/ssl/ssl_private.h
index 80e1e8e..0cc6d3f 100644
--- a/modules/ssl/ssl_private.h
+++ b/modules/ssl/ssl_private.h
@@ -132,6 +132,13 @@
#if OPENSSL_VERSION_NUMBER >= 0x00908080 && !defined(OPENSSL_NO_OCSP) \
&& !defined(OPENSSL_NO_TLSEXT)
#define HAVE_OCSP_STAPLING
+/* backward compatibility with OpenSSL < 1.0 */
+#ifndef sk_OPENSSL_STRING_num
+#define sk_OPENSSL_STRING_num sk_num
+#endif
+#ifndef sk_OPENSSL_STRING_value
+#define sk_OPENSSL_STRING_value sk_value
+#endif
#if (OPENSSL_VERSION_NUMBER < 0x10000000)
#define sk_OPENSSL_STRING_pop sk_pop
#endif
@@ -862,10 +869,10 @@ const char *ssl_cmd_SSLStaplingErrorCacheTimeout(cmd_parms *, void *, const char
const char *ssl_cmd_SSLStaplingReturnResponderErrors(cmd_parms *, void *, int);
const char *ssl_cmd_SSLStaplingFakeTryLater(cmd_parms *, void *, int);
const char *ssl_cmd_SSLStaplingResponderTimeout(cmd_parms *, void *, const char *);
-const char *ssl_cmd_SSLStaplingForceURL(cmd_parms *, void *, const char *);
+const char *ssl_cmd_SSLStaplingForceURL(cmd_parms *, void *, const char *);
void modssl_init_stapling(server_rec *, apr_pool_t *, apr_pool_t *, modssl_ctx_t *);
-void ssl_stapling_ex_init(void);
-int ssl_stapling_init_cert(server_rec *s, modssl_ctx_t *mctx, X509 *x);
+void ssl_stapling_certinfo_hash_init(apr_pool_t *);
+int ssl_stapling_init_cert(server_rec *, apr_pool_t *, apr_pool_t *, modssl_ctx_t *, X509 *);
#endif
#ifndef OPENSSL_NO_SRP
int ssl_callback_SRPServerParams(SSL *, int *, void *);
diff --git a/modules/ssl/ssl_util_stapling.c b/modules/ssl/ssl_util_stapling.c
index 2be2c36..2387ae1 100644
--- a/modules/ssl/ssl_util_stapling.c
+++ b/modules/ssl/ssl_util_stapling.c
@@ -43,36 +43,32 @@
#define MAX_STAPLING_DER 10240
-/* Cached info stored in certificate ex_info. */
+/* Cached info stored in the global stapling_certinfo hash. */
typedef struct {
- /* Index in session cache SHA1 hash of certificate */
- UCHAR idx[20];
- /* Certificate ID for OCSP requests or NULL if ID cannot be determined */
+ /* Index in session cache (SHA-1 digest of DER encoded certificate) */
+ UCHAR idx[SHA_DIGEST_LENGTH];
+ /* Certificate ID for OCSP request */
OCSP_CERTID *cid;
- /* Responder details */
+ /* URI of the OCSP responder */
char *uri;
} certinfo;
-static void certinfo_free(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
- int idx, long argl, void *argp)
+static apr_status_t ssl_stapling_certid_free(void *data)
{
- certinfo *cinf = ptr;
+ OCSP_CERTID *cid = data;
- if (!cinf)
- return;
- if (cinf->uri)
- OPENSSL_free(cinf->uri);
- OPENSSL_free(cinf);
+ if (cid) {
+ OCSP_CERTID_free(cid);
+ }
+
+ return APR_SUCCESS;
}
-static int stapling_ex_idx = -1;
+static apr_hash_t *stapling_certinfo;
-void ssl_stapling_ex_init(void)
+void ssl_stapling_certinfo_hash_init(apr_pool_t *p)
{
- if (stapling_ex_idx != -1)
- return;
- stapling_ex_idx = X509_get_ex_new_index(0, "X509 cached OCSP info", 0, 0,
- certinfo_free);
+ stapling_certinfo = apr_hash_make(p);
}
static X509 *stapling_get_issuer(modssl_ctx_t *mctx, X509 *x)
@@ -106,70 +102,97 @@ static X509 *stapling_get_issuer(modssl_ctx_t *mctx, X509 *x)
}
-int ssl_stapling_init_cert(server_rec *s, modssl_ctx_t *mctx, X509 *x)
+int ssl_stapling_init_cert(server_rec *s, apr_pool_t *p, apr_pool_t *ptemp,
+ modssl_ctx_t *mctx, X509 *x)
{
- certinfo *cinf;
+ UCHAR idx[SHA_DIGEST_LENGTH];
+ certinfo *cinf = NULL;
X509 *issuer = NULL;
+ OCSP_CERTID *cid = NULL;
STACK_OF(OPENSSL_STRING) *aia = NULL;
- if (x == NULL)
+ if ((x == NULL) || (X509_digest(x, EVP_sha1(), idx, NULL) != 1))
return 0;
- cinf = X509_get_ex_data(x, stapling_ex_idx);
+
+ cinf = apr_hash_get(stapling_certinfo, idx, sizeof(idx));
if (cinf) {
- ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, APLOGNO(02215)
- "ssl_stapling_init_cert: certificate already initialized!");
- return 0;
- }
- cinf = OPENSSL_malloc(sizeof(certinfo));
- if (!cinf) {
- ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, APLOGNO(02216)
- "ssl_stapling_init_cert: error allocating memory!");
- return 0;
+ /*
+ * We already parsed the certificate, and no OCSP URI was found.
+ * The certificate might be used for multiple vhosts, though,
+ * so we check for a ForceURL for this vhost.
+ */
+ if (!cinf->uri && !mctx->stapling_force_url) {
+ ssl_log_xerror(SSLLOG_MARK, APLOG_ERR, 0, ptemp, s, x,
+ APLOGNO(02814) "ssl_stapling_init_cert: no OCSP URI "
+ "in certificate and no SSLStaplingForceURL "
+ "configured for server %s", mctx->sc->vhost_id);
+ return 0;
+ }
+ return 1;
}
- cinf->cid = NULL;
- cinf->uri = NULL;
- X509_set_ex_data(x, stapling_ex_idx, cinf);
-
- issuer = stapling_get_issuer(mctx, x);
- if (issuer == NULL) {
- ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, APLOGNO(02217)
- "ssl_stapling_init_cert: Can't retrieve issuer certificate!");
+ if (!(issuer = stapling_get_issuer(mctx, x))) {
+ ssl_log_xerror(SSLLOG_MARK, APLOG_ERR, 0, ptemp, s, x, APLOGNO(02217)
+ "ssl_stapling_init_cert: can't retrieve issuer "
+ "certificate!");
return 0;
}
- cinf->cid = OCSP_cert_to_id(NULL, x, issuer);
+ cid = OCSP_cert_to_id(NULL, x, issuer);
X509_free(issuer);
- if (!cinf->cid)
+ if (!cid) {
+ ssl_log_xerror(SSLLOG_MARK, APLOG_ERR, 0, ptemp, s, x, APLOGNO(02815)
+ "ssl_stapling_init_cert: can't create CertID "
+ "for OCSP request");
return 0;
- X509_digest(x, EVP_sha1(), cinf->idx, NULL);
+ }
aia = X509_get1_ocsp(x);
- if (aia) {
- cinf->uri = sk_OPENSSL_STRING_pop(aia);
- X509_email_free(aia);
- }
- if (!cinf->uri && !mctx->stapling_force_url) {
- ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, APLOGNO(02218)
- "ssl_stapling_init_cert: no responder URL");
+
+ if (!aia && !mctx->stapling_force_url) {
+ OCSP_CERTID_free(cid);
+ ssl_log_xerror(SSLLOG_MARK, APLOG_ERR, 0, ptemp, s, x,
+ APLOGNO(02218) "ssl_stapling_init_cert: no OCSP URI "
+ "in certificate and no SSLStaplingForceURL set");
return 0;
}
+
+ /* At this point, we have determined that there's something to store */
+ cinf = apr_pcalloc(p, sizeof(certinfo));
+ memcpy (cinf->idx, idx, sizeof(idx));
+ cinf->cid = cid;
+ /* make sure cid is also freed at pool cleanup */
+ apr_pool_cleanup_register(p, cid, ssl_stapling_certid_free,
+ apr_pool_cleanup_null);
+ if (aia) {
+ /* allocate uri from the pconf pool */
+ cinf->uri = apr_pstrdup(p, sk_OPENSSL_STRING_value(aia, 0));
+ X509_email_free(aia);
+ }
+
+ ssl_log_xerror(SSLLOG_MARK, APLOG_TRACE1, 0, ptemp, s, x,
+ "ssl_stapling_init_cert: storing certinfo for server %s",
+ mctx->sc->vhost_id);
+
+ apr_hash_set(stapling_certinfo, cinf->idx, sizeof(cinf->idx), cinf);
+
return 1;
}
-static certinfo *stapling_get_cert_info(server_rec *s, modssl_ctx_t *mctx,
+static certinfo *stapling_get_certinfo(server_rec *s, modssl_ctx_t *mctx,
SSL *ssl)
{
certinfo *cinf;
X509 *x;
+ UCHAR idx[SHA_DIGEST_LENGTH];
x = SSL_get_certificate(ssl);
- if (x == NULL)
+ if ((x == NULL) || (X509_digest(x, EVP_sha1(), idx, NULL) != 1))
return NULL;
- cinf = X509_get_ex_data(x, stapling_ex_idx);
+ cinf = apr_hash_get(stapling_certinfo, idx, sizeof(idx));
if (cinf && cinf->cid)
return cinf;
ap_log_error(APLOG_MARK, APLOG_INFO, 0, s, APLOGNO(01926)
- "stapling_get_cert_info: stapling not supported for certificate");
+ "stapling_get_certinfo: stapling not supported for certificate");
return NULL;
}
@@ -585,7 +608,7 @@ static int stapling_cb(SSL *ssl, void *arg)
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, APLOGNO(01951)
"stapling_cb: OCSP Stapling callback called");
- cinf = stapling_get_cert_info(s, mctx, ssl);
+ cinf = stapling_get_certinfo(s, mctx, ssl);
if (cinf == NULL) {
return SSL_TLSEXT_ERR_NOACK;
}