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-rw-r--r--src/core/nginx.h4
-rw-r--r--src/event/ngx_event_openssl.c58
-rw-r--r--src/event/ngx_event_openssl.h15
-rw-r--r--src/event/ngx_event_openssl_stapling.c1228
-rw-r--r--src/http/modules/ngx_http_grpc_module.c25
-rw-r--r--src/http/modules/ngx_http_ssl_module.c156
-rw-r--r--src/http/modules/ngx_http_ssl_module.h4
-rw-r--r--src/http/ngx_http_request.c12
-rw-r--r--src/http/ngx_http_upstream.c2
-rw-r--r--src/http/ngx_http_variables.c2
-rw-r--r--src/http/v2/ngx_http_v2.c10
11 files changed, 1318 insertions, 198 deletions
diff --git a/src/core/nginx.h b/src/core/nginx.h
index 3db0c7f2f..0085c5c65 100644
--- a/src/core/nginx.h
+++ b/src/core/nginx.h
@@ -9,8 +9,8 @@
#define _NGINX_H_INCLUDED_
-#define nginx_version 1017010
-#define NGINX_VERSION "1.17.10"
+#define nginx_version 1019000
+#define NGINX_VERSION "1.19.0"
#define NGINX_VER "nginx/" NGINX_VERSION
#ifdef NGX_BUILD
diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c
index 2fd254446..1777a5cfc 100644
--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -130,6 +130,7 @@ int ngx_ssl_connection_index;
int ngx_ssl_server_conf_index;
int ngx_ssl_session_cache_index;
int ngx_ssl_session_ticket_keys_index;
+int ngx_ssl_ocsp_index;
int ngx_ssl_certificate_index;
int ngx_ssl_next_certificate_index;
int ngx_ssl_certificate_name_index;
@@ -213,6 +214,13 @@ ngx_ssl_init(ngx_log_t *log)
return NGX_ERROR;
}
+ ngx_ssl_ocsp_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL, NULL);
+ if (ngx_ssl_ocsp_index == -1) {
+ ngx_ssl_error(NGX_LOG_ALERT, log, 0,
+ "SSL_CTX_get_ex_new_index() failed");
+ return NGX_ERROR;
+ }
+
ngx_ssl_certificate_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL,
NULL);
if (ngx_ssl_certificate_index == -1) {
@@ -1594,6 +1602,7 @@ ngx_ssl_handshake(ngx_connection_t *c)
{
int n, sslerr;
ngx_err_t err;
+ ngx_int_t rc;
#ifdef SSL_READ_EARLY_DATA_SUCCESS
if (c->ssl->try_early_data) {
@@ -1601,6 +1610,10 @@ ngx_ssl_handshake(ngx_connection_t *c)
}
#endif
+ if (c->ssl->in_ocsp) {
+ return ngx_ssl_ocsp_validate(c);
+ }
+
ngx_ssl_clear_error(c->log);
n = SSL_do_handshake(c->ssl->connection);
@@ -1621,8 +1634,6 @@ ngx_ssl_handshake(ngx_connection_t *c)
ngx_ssl_handshake_log(c);
#endif
- c->ssl->handshaked = 1;
-
c->recv = ngx_ssl_recv;
c->send = ngx_ssl_write;
c->recv_chain = ngx_ssl_recv_chain;
@@ -1641,6 +1652,20 @@ ngx_ssl_handshake(ngx_connection_t *c)
#endif
#endif
+ rc = ngx_ssl_ocsp_validate(c);
+
+ if (rc == NGX_ERROR) {
+ return NGX_ERROR;
+ }
+
+ if (rc == NGX_AGAIN) {
+ c->read->handler = ngx_ssl_handshake_handler;
+ c->write->handler = ngx_ssl_handshake_handler;
+ return NGX_AGAIN;
+ }
+
+ c->ssl->handshaked = 1;
+
return NGX_OK;
}
@@ -1710,6 +1735,7 @@ ngx_ssl_try_early_data(ngx_connection_t *c)
u_char buf;
size_t readbytes;
ngx_err_t err;
+ ngx_int_t rc;
ngx_ssl_clear_error(c->log);
@@ -1744,7 +1770,6 @@ ngx_ssl_try_early_data(ngx_connection_t *c)
c->ssl->early_buf = buf;
c->ssl->early_preread = 1;
- c->ssl->handshaked = 1;
c->ssl->in_early = 1;
c->recv = ngx_ssl_recv;
@@ -1752,6 +1777,20 @@ ngx_ssl_try_early_data(ngx_connection_t *c)
c->recv_chain = ngx_ssl_recv_chain;
c->send_chain = ngx_ssl_send_chain;
+ rc = ngx_ssl_ocsp_validate(c);
+
+ if (rc == NGX_ERROR) {
+ return NGX_ERROR;
+ }
+
+ if (rc == NGX_AGAIN) {
+ c->read->handler = ngx_ssl_handshake_handler;
+ c->write->handler = ngx_ssl_handshake_handler;
+ return NGX_AGAIN;
+ }
+
+ c->ssl->handshaked = 1;
+
return NGX_OK;
}
@@ -2740,6 +2779,8 @@ ngx_ssl_shutdown(ngx_connection_t *c)
return NGX_OK;
}
+ ngx_ssl_ocsp_cleanup(c);
+
if (SSL_in_init(c->ssl->connection)) {
/*
* OpenSSL 1.0.2f complains if SSL_shutdown() is called during
@@ -4899,11 +4940,14 @@ ngx_ssl_get_client_verify(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
rc = SSL_get_verify_result(c->ssl->connection);
if (rc == X509_V_OK) {
- ngx_str_set(s, "SUCCESS");
- return NGX_OK;
- }
+ if (ngx_ssl_ocsp_get_status(c, &str) == NGX_OK) {
+ ngx_str_set(s, "SUCCESS");
+ return NGX_OK;
+ }
- str = X509_verify_cert_error_string(rc);
+ } else {
+ str = X509_verify_cert_error_string(rc);
+ }
s->data = ngx_pnalloc(pool, sizeof("FAILED:") - 1 + ngx_strlen(str));
if (s->data == NULL) {
diff --git a/src/event/ngx_event_openssl.h b/src/event/ngx_event_openssl.h
index bd90e47fe..8ed778748 100644
--- a/src/event/ngx_event_openssl.h
+++ b/src/event/ngx_event_openssl.h
@@ -71,6 +71,9 @@
#endif
+typedef struct ngx_ssl_ocsp_s ngx_ssl_ocsp_t;
+
+
struct ngx_ssl_s {
SSL_CTX *ctx;
ngx_log_t *log;
@@ -94,6 +97,8 @@ struct ngx_ssl_connection_s {
ngx_event_handler_pt saved_read_handler;
ngx_event_handler_pt saved_write_handler;
+ ngx_ssl_ocsp_t *ocsp;
+
u_char early_buf;
unsigned handshaked:1;
@@ -104,6 +109,7 @@ struct ngx_ssl_connection_s {
unsigned handshake_buffer_set:1;
unsigned try_early_data:1;
unsigned in_early:1;
+ unsigned in_ocsp:1;
unsigned early_preread:1;
unsigned write_blocked:1;
};
@@ -187,6 +193,14 @@ ngx_int_t ngx_ssl_stapling(ngx_conf_t *cf, ngx_ssl_t *ssl,
ngx_str_t *file, ngx_str_t *responder, ngx_uint_t verify);
ngx_int_t ngx_ssl_stapling_resolver(ngx_conf_t *cf, ngx_ssl_t *ssl,
ngx_resolver_t *resolver, ngx_msec_t resolver_timeout);
+ngx_int_t ngx_ssl_ocsp(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *responder,
+ ngx_uint_t depth, ngx_shm_zone_t *shm_zone);
+ngx_int_t ngx_ssl_ocsp_resolver(ngx_conf_t *cf, ngx_ssl_t *ssl,
+ ngx_resolver_t *resolver, ngx_msec_t resolver_timeout);
+ngx_int_t ngx_ssl_ocsp_validate(ngx_connection_t *c);
+ngx_int_t ngx_ssl_ocsp_get_status(ngx_connection_t *c, const char **s);
+void ngx_ssl_ocsp_cleanup(ngx_connection_t *c);
+ngx_int_t ngx_ssl_ocsp_cache_init(ngx_shm_zone_t *shm_zone, void *data);
RSA *ngx_ssl_rsa512_key_callback(ngx_ssl_conn_t *ssl_conn, int is_export,
int key_length);
ngx_array_t *ngx_ssl_read_password_file(ngx_conf_t *cf, ngx_str_t *file);
@@ -288,6 +302,7 @@ extern int ngx_ssl_connection_index;
extern int ngx_ssl_server_conf_index;
extern int ngx_ssl_session_cache_index;
extern int ngx_ssl_session_ticket_keys_index;
+extern int ngx_ssl_ocsp_index;
extern int ngx_ssl_certificate_index;
extern int ngx_ssl_next_certificate_index;
extern int ngx_ssl_certificate_name_index;
diff --git a/src/event/ngx_event_openssl_stapling.c b/src/event/ngx_event_openssl_stapling.c
index 5a7e40e42..a0a63c165 100644
--- a/src/event/ngx_event_openssl_stapling.c
+++ b/src/event/ngx_event_openssl_stapling.c
@@ -22,6 +22,7 @@ typedef struct {
ngx_msec_t resolver_timeout;
ngx_addr_t *addrs;
+ ngx_uint_t naddrs;
ngx_str_t host;
ngx_str_t uri;
in_port_t port;
@@ -30,6 +31,7 @@ typedef struct {
X509 *cert;
X509 *issuer;
+ STACK_OF(X509) *chain;
u_char *name;
@@ -41,15 +43,66 @@ typedef struct {
} ngx_ssl_stapling_t;
+typedef struct {
+ ngx_addr_t *addrs;
+ ngx_uint_t naddrs;
+
+ ngx_str_t host;
+ ngx_str_t uri;
+ in_port_t port;
+ ngx_uint_t depth;
+
+ ngx_shm_zone_t *shm_zone;
+
+ ngx_resolver_t *resolver;
+ ngx_msec_t resolver_timeout;
+} ngx_ssl_ocsp_conf_t;
+
+
+typedef struct {
+ ngx_rbtree_t rbtree;
+ ngx_rbtree_node_t sentinel;
+ ngx_queue_t expire_queue;
+} ngx_ssl_ocsp_cache_t;
+
+
+typedef struct {
+ ngx_str_node_t node;
+ ngx_queue_t queue;
+ int status;
+ time_t valid;
+} ngx_ssl_ocsp_cache_node_t;
+
+
typedef struct ngx_ssl_ocsp_ctx_s ngx_ssl_ocsp_ctx_t;
+
+struct ngx_ssl_ocsp_s {
+ STACK_OF(X509) *certs;
+ ngx_uint_t ncert;
+
+ int cert_status;
+ ngx_int_t status;
+
+ ngx_ssl_ocsp_conf_t *conf;
+ ngx_ssl_ocsp_ctx_t *ctx;
+};
+
+
struct ngx_ssl_ocsp_ctx_s {
+ SSL_CTX *ssl_ctx;
+
X509 *cert;
X509 *issuer;
+ STACK_OF(X509) *chain;
+
+ int status;
+ time_t valid;
u_char *name;
ngx_uint_t naddrs;
+ ngx_uint_t naddr;
ngx_addr_t *addrs;
ngx_str_t host;
@@ -64,17 +117,20 @@ struct ngx_ssl_ocsp_ctx_s {
void (*handler)(ngx_ssl_ocsp_ctx_t *ctx);
void *data;
+ ngx_str_t key;
ngx_buf_t *request;
ngx_buf_t *response;
ngx_peer_connection_t peer;
+ ngx_shm_zone_t *shm_zone;
+
ngx_int_t (*process)(ngx_ssl_ocsp_ctx_t *ctx);
ngx_uint_t state;
ngx_uint_t code;
ngx_uint_t count;
-
+ ngx_uint_t flags;
ngx_uint_t done;
u_char *header_name_start;
@@ -105,8 +161,14 @@ static time_t ngx_ssl_stapling_time(ASN1_GENERALIZEDTIME *asn1time);
static void ngx_ssl_stapling_cleanup(void *data);
-static ngx_ssl_ocsp_ctx_t *ngx_ssl_ocsp_start(void);
+static void ngx_ssl_ocsp_validate_next(ngx_connection_t *c);
+static void ngx_ssl_ocsp_handler(ngx_ssl_ocsp_ctx_t *ctx);
+static ngx_int_t ngx_ssl_ocsp_responder(ngx_connection_t *c,
+ ngx_ssl_ocsp_ctx_t *ctx);
+
+static ngx_ssl_ocsp_ctx_t *ngx_ssl_ocsp_start(ngx_log_t *log);
static void ngx_ssl_ocsp_done(ngx_ssl_ocsp_ctx_t *ctx);
+static void ngx_ssl_ocsp_next(ngx_ssl_ocsp_ctx_t *ctx);
static void ngx_ssl_ocsp_request(ngx_ssl_ocsp_ctx_t *ctx);
static void ngx_ssl_ocsp_resolve_handler(ngx_resolver_ctx_t *resolve);
static void ngx_ssl_ocsp_connect(ngx_ssl_ocsp_ctx_t *ctx);
@@ -120,6 +182,11 @@ static ngx_int_t ngx_ssl_ocsp_parse_status_line(ngx_ssl_ocsp_ctx_t *ctx);
static ngx_int_t ngx_ssl_ocsp_process_headers(ngx_ssl_ocsp_ctx_t *ctx);
static ngx_int_t ngx_ssl_ocsp_parse_header_line(ngx_ssl_ocsp_ctx_t *ctx);
static ngx_int_t ngx_ssl_ocsp_process_body(ngx_ssl_ocsp_ctx_t *ctx);
+static ngx_int_t ngx_ssl_ocsp_verify(ngx_ssl_ocsp_ctx_t *ctx);
+
+static ngx_int_t ngx_ssl_ocsp_cache_lookup(ngx_ssl_ocsp_ctx_t *ctx);
+static ngx_int_t ngx_ssl_ocsp_cache_store(ngx_ssl_ocsp_ctx_t *ctx);
+static ngx_int_t ngx_ssl_ocsp_create_key(ngx_ssl_ocsp_ctx_t *ctx);
static u_char *ngx_ssl_ocsp_log_error(ngx_log_t *log, u_char *buf, size_t len);
@@ -173,6 +240,18 @@ ngx_ssl_stapling_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, X509 *cert,
return NGX_ERROR;
}
+#ifdef SSL_CTRL_SELECT_CURRENT_CERT
+ /* OpenSSL 1.0.2+ */
+ SSL_CTX_select_current_cert(ssl->ctx, cert);
+#endif
+
+#ifdef SSL_CTRL_GET_EXTRA_CHAIN_CERTS
+ /* OpenSSL 1.0.1+ */
+ SSL_CTX_get_extra_chain_certs(ssl->ctx, &staple->chain);
+#else
+ staple->chain = ssl->ctx->extra_certs;
+#endif
+
staple->ssl_ctx = ssl->ctx;
staple->timeout = 60000;
staple->verify = verify;
@@ -289,29 +368,16 @@ ngx_ssl_stapling_issuer(ngx_conf_t *cf, ngx_ssl_t *ssl,
X509 *cert, *issuer;
X509_STORE *store;
X509_STORE_CTX *store_ctx;
- STACK_OF(X509) *chain;
cert = staple->cert;
-#ifdef SSL_CTRL_SELECT_CURRENT_CERT
- /* OpenSSL 1.0.2+ */
- SSL_CTX_select_current_cert(ssl->ctx, cert);
-#endif
-
-#ifdef SSL_CTRL_GET_EXTRA_CHAIN_CERTS
- /* OpenSSL 1.0.1+ */
- SSL_CTX_get_extra_chain_certs(ssl->ctx, &chain);
-#else
- chain = ssl->ctx->extra_certs;
-#endif
-
- n = sk_X509_num(chain);
+ n = sk_X509_num(staple->chain);
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ssl->log, 0,
"SSL get issuer: %d extra certs", n);
for (i = 0; i < n; i++) {
- issuer = sk_X509_value(chain, i);
+ issuer = sk_X509_value(staple->chain, i);
if (X509_check_issued(issuer, cert) == X509_V_OK) {
#if OPENSSL_VERSION_NUMBER >= 0x10100001L
X509_up_ref(issuer);
@@ -462,6 +528,7 @@ ngx_ssl_stapling_responder(ngx_conf_t *cf, ngx_ssl_t *ssl,
}
staple->addrs = u.addrs;
+ staple->naddrs = u.naddrs;
staple->host = u.host;
staple->uri = u.uri;
staple->port = u.port;
@@ -559,16 +626,20 @@ ngx_ssl_stapling_update(ngx_ssl_stapling_t *staple)
staple->loading = 1;
- ctx = ngx_ssl_ocsp_start();
+ ctx = ngx_ssl_ocsp_start(ngx_cycle->log);
if (ctx == NULL) {
return;
}
+ ctx->ssl_ctx = staple->ssl_ctx;
ctx->cert = staple->cert;
ctx->issuer = staple->issuer;
+ ctx->chain = staple->chain;
ctx->name = staple->name;
+ ctx->flags = (staple->verify ? OCSP_TRUSTOTHER : OCSP_NOVERIFY);
ctx->addrs = staple->addrs;
+ ctx->naddrs = staple->naddrs;
ctx->host = staple->host;
ctx->uri = staple->uri;
ctx->port = staple->port;
@@ -589,137 +660,27 @@ ngx_ssl_stapling_update(ngx_ssl_stapling_t *staple)
static void
ngx_ssl_stapling_ocsp_handler(ngx_ssl_ocsp_ctx_t *ctx)
{
- int n;
- size_t len;
- time_t now, valid;
- ngx_str_t response;
- X509_STORE *store;
- const u_char *p;
- STACK_OF(X509) *chain;
- OCSP_CERTID *id;
- OCSP_RESPONSE *ocsp;
- OCSP_BASICRESP *basic;
- ngx_ssl_stapling_t *staple;
- ASN1_GENERALIZEDTIME *thisupdate, *nextupdate;
+ time_t now;
+ ngx_str_t response;
+ ngx_ssl_stapling_t *staple;
staple = ctx->data;
now = ngx_time();
- ocsp = NULL;
- basic = NULL;
- id = NULL;
-
- if (ctx->code != 200) {
- goto error;
- }
-
- /* check the response */
-
- len = ctx->response->last - ctx->response->pos;
- p = ctx->response->pos;
-
- ocsp = d2i_OCSP_RESPONSE(NULL, &p, len);
- if (ocsp == NULL) {
- ngx_ssl_error(NGX_LOG_ERR, ctx->log, 0,
- "d2i_OCSP_RESPONSE() failed");
- goto error;
- }
-
- n = OCSP_response_status(ocsp);
-
- if (n != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
- ngx_log_error(NGX_LOG_ERR, ctx->log, 0,
- "OCSP response not successful (%d: %s)",
- n, OCSP_response_status_str(n));
- goto error;
- }
-
- basic = OCSP_response_get1_basic(ocsp);
- if (basic == NULL) {
- ngx_ssl_error(NGX_LOG_ERR, ctx->log, 0,
- "OCSP_response_get1_basic() failed");
- goto error;
- }
- store = SSL_CTX_get_cert_store(staple->ssl_ctx);
- if (store == NULL) {
- ngx_ssl_error(NGX_LOG_CRIT, ctx->log, 0,
- "SSL_CTX_get_cert_store() failed");
+ if (ngx_ssl_ocsp_verify(ctx) != NGX_OK) {
goto error;
}
-#ifdef SSL_CTRL_SELECT_CURRENT_CERT
- /* OpenSSL 1.0.2+ */
- SSL_CTX_select_current_cert(staple->ssl_ctx, ctx->cert);
-#endif
-
-#ifdef SSL_CTRL_GET_EXTRA_CHAIN_CERTS
- /* OpenSSL 1.0.1+ */
- SSL_CTX_get_extra_chain_certs(staple->ssl_ctx, &chain);
-#else
- chain = staple->ssl_ctx->extra_certs;
-#endif
-
- if (OCSP_basic_verify(basic, chain, store,
- staple->verify ? OCSP_TRUSTOTHER : OCSP_NOVERIFY)
- != 1)
- {
- ngx_ssl_error(NGX_LOG_ERR, ctx->log, 0,
- "OCSP_basic_verify() failed");
- goto error;
- }
-
- id = OCSP_cert_to_id(NULL, ctx->cert, ctx->issuer);
- if (id == NULL) {
- ngx_ssl_error(NGX_LOG_CRIT, ctx->log, 0,
- "OCSP_cert_to_id() failed");
- goto error;
- }
-
- if (OCSP_resp_find_status(basic, id, &n, NULL, NULL,
- &thisupdate, &nextupdate)
- != 1)
- {
- ngx_log_error(NGX_LOG_ERR, ctx->log, 0,
- "certificate status not found in the OCSP response");
- goto error;
- }
-
- if (n != V_OCSP_CERTSTATUS_GOOD) {
+ if (ctx->status != V_OCSP_CERTSTATUS_GOOD) {
ngx_log_error(NGX_LOG_ERR, ctx->log, 0,
"certificate status \"%s\" in the OCSP response",
- OCSP_cert_status_str(n));
+ OCSP_cert_status_str(ctx->status));
goto error;
}
- if (OCSP_check_validity(thisupdate, nextupdate, 300, -1) != 1) {
- ngx_ssl_error(NGX_LOG_ERR, ctx->log, 0,
- "OCSP_check_validity() failed");
- goto error;
- }
-
- if (nextupdate) {
- valid = ngx_ssl_stapling_time(nextupdate);
- if (valid == (time_t) NGX_ERROR) {
- ngx_log_error(NGX_LOG_ERR, ctx->log, 0,
- "invalid nextUpdate time in certificate status");
- goto error;
- }
-
- } else {
- valid = NGX_MAX_TIME_T_VALUE;
- }
-
- OCSP_CERTID_free(id);
- OCSP_BASICRESP_free(basic);
- OCSP_RESPONSE_free(ocsp);
-
- id = NULL;
- basic = NULL;
- ocsp = NULL;
-
/* copy the response to memory not in ctx->pool */
- response.len = len;
+ response.len = ctx->response->last - ctx->response->pos;
response.data = ngx_alloc(response.len, ctx->log);
if (response.data == NULL) {
@@ -728,16 +689,12 @@ ngx_ssl_stapling_ocsp_handler(ngx_ssl_ocsp_ctx_t *ctx)
ngx_memcpy(response.data, ctx->response->pos, response.len);
- ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ctx->log, 0,
- "ssl ocsp response, %s, %uz",
- OCSP_cert_status_str(n), response.len);
-
if (staple->staple.data) {
ngx_free(staple->staple.data);
}
staple->staple = response;
- staple->valid = valid;
+ staple->valid = ctx->valid;
/*
* refresh before the response expires,
@@ -745,7 +702,7 @@ ngx_ssl_stapling_ocsp_handler(ngx_ssl_ocsp_ctx_t *ctx)
*/
staple->loading = 0;
- staple->refresh = ngx_max(ngx_min(valid - 300, now + 3600), now + 300);
+ staple->refresh = ngx_max(ngx_min(ctx->valid - 300, now + 3600), now + 300);
ngx_ssl_ocsp_done(ctx);
return;
@@ -755,18 +712,6 @@ error:
staple->loading = 0;
staple->refresh = now + 300;
- if (id) {
- OCSP_CERTID_free(id);
- }
-
- if (basic) {
- OCSP_BASICRESP_free(basic);
- }
-
- if (ocsp) {
- OCSP_RESPONSE_free(ocsp);
- }
-
ngx_ssl_ocsp_done(ctx);
}
@@ -820,14 +765,499 @@ ngx_ssl_stapling_cleanup(void *data)
}
+ngx_int_t
+ngx_ssl_ocsp(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *responder,
+ ngx_uint_t depth, ngx_shm_zone_t *shm_zone)
+{
+ ngx_url_t u;
+ ngx_ssl_ocsp_conf_t *ocf;
+
+ ocf = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_ocsp_conf_t));
+ if (ocf == NULL) {
+ return NGX_ERROR;
+ }
+
+ ocf->depth = depth;
+ ocf->shm_zone = shm_zone;
+
+ if (responder->len) {
+ ngx_memzero(&u, sizeof(ngx_url_t));
+
+ u.url = *responder;
+ u.default_port = 80;
+ u.uri_part = 1;
+
+ if (u.url.len > 7
+ && ngx_strncasecmp(u.url.data, (u_char *) "http://", 7) == 0)
+ {
+ u.url.len -= 7;
+ u.url.data += 7;
+
+ } else {
+ ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
+ "invalid URL prefix in OCSP responder \"%V\" "
+ "in \"ssl_ocsp_responder\"", &u.url);
+ return NGX_ERROR;
+ }
+
+ if (ngx_parse_url(cf->pool, &u) != NGX_OK) {
+ if (u.err) {
+ ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
+ "%s in OCSP responder \"%V\" "
+ "in \"ssl_ocsp_responder\"", u.err, &u.url);
+ }
+
+ return NGX_ERROR;
+ }
+
+ ocf->addrs = u.addrs;
+ ocf->naddrs = u.naddrs;
+ ocf->host = u.host;
+ ocf->uri = u.uri;
+ ocf->port = u.port;
+ }
+
+ if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_ocsp_index, ocf) == 0) {
+ ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
+ "SSL_CTX_set_ex_data() failed");
+ return NGX_ERROR;
+ }
+
+ return NGX_OK;
+}
+
+
+ngx_int_t
+ngx_ssl_ocsp_resolver(ngx_conf_t *cf, ngx_ssl_t *ssl,
+ ngx_resolver_t *resolver, ngx_msec_t resolver_timeout)
+{
+ ngx_ssl_ocsp_conf_t *ocf;
+
+ ocf = SSL_CTX_get_ex_data(ssl->ctx, ngx_ssl_ocsp_index);
+ ocf->resolver = resolver;
+ ocf->resolver_timeout = resolver_timeout;
+
+ return NGX_OK;
+}
+
+
+ngx_int_t
+ngx_ssl_ocsp_validate(ngx_connection_t *c)
+{
+ X509 *cert;
+ SSL_CTX *ssl_ctx;
+ ngx_int_t rc;
+ X509_STORE *store;
+ X509_STORE_CTX *store_ctx;
+ STACK_OF(X509) *chain;
+ ngx_ssl_ocsp_t *ocsp;
+ ngx_ssl_ocsp_conf_t *ocf;
+
+ if (c->ssl->in_ocsp) {
+ if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
+ return NGX_ERROR;
+ }
+
+ if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
+ return NGX_ERROR;
+ }
+
+ return NGX_AGAIN;
+ }
+
+ ssl_ctx = SSL_get_SSL_CTX(c->ssl->connection);
+
+ ocf = SSL_CTX_get_ex_data(ssl_ctx, ngx_ssl_ocsp_index);
+ if (ocf == NULL) {
+ return NGX_OK;
+ }
+
+ if (SSL_get_verify_result(c->ssl->connection) != X509_V_OK) {
+ return NGX_OK;
+ }
+
+ cert = SSL_get_peer_certificate(c->ssl->connection);
+ if (cert == NULL) {
+ return NGX_OK;
+ }
+
+ ocsp = ngx_pcalloc(c->pool, sizeof(ngx_ssl_ocsp_t));
+ if (ocsp == NULL) {
+ return NGX_ERROR;
+ }
+
+ c->ssl->ocsp = ocsp;
+
+ ocsp->status = NGX_AGAIN;
+ ocsp->cert_status = V_OCSP_CERTSTATUS_GOOD;
+ ocsp->conf = ocf;
+
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined LIBRESSL_VERSION_NUMBER)
+
+ ocsp->certs = SSL_get0_verified_chain(c->ssl->connection);
+
+ if (ocsp->certs) {
+ ocsp->certs = X509_chain_up_ref(ocsp->certs);
+ if (ocsp->certs == NULL) {
+ return NGX_ERROR;
+ }
+ }
+
+#endif
+
+ if (ocsp->certs == NULL) {
+ store = SSL_CTX_get_cert_store(ssl_ctx);
+ if (store == NULL) {
+ ngx_ssl_error(NGX_LOG_ERR, c->log, 0,
+ "SSL_CTX_get_cert_store() failed");
+ return NGX_ERROR;
+ }
+
+ store_ctx = X509_STORE_CTX_new();
+ if (store_ctx == NULL) {
+ ngx_ssl_error(NGX_LOG_ERR, c->log, 0,
+ "X509_STORE_CTX_new() failed");
+ return NGX_ERROR;
+ }
+
+ chain = SSL_get_peer_cert_chain(c->ssl->connection);
+
+ if (X509_STORE_CTX_init(store_ctx, store, cert, chain) == 0) {
+ ngx_ssl_error(NGX_LOG_ERR, c->log, 0,
+ "X509_STORE_CTX_init() failed");
+ X509_STORE_CTX_free(store_ctx);
+ return NGX_ERROR;
+ }
+
+ rc = X509_verify_cert(store_ctx);
+ if (rc <= 0) {
+ ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "X509_verify_cert() failed");
+ X509_STORE_CTX_free(store_ctx);
+ return NGX_ERROR;
+ }
+
+ ocsp->certs = X509_STORE_CTX_get1_chain(store_ctx);
+ if (ocsp->certs == NULL) {
+ ngx_ssl_error(NGX_LOG_ERR, c->log, 0,
+ "X509_STORE_CTX_get1_chain() failed");
+ X509_STORE_CTX_free(store_ctx);
+ return NGX_ERROR;
+ }
+
+ X509_STORE_CTX_free(store_ctx);
+ }
+
+ ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
+ "ssl ocsp validate, certs:%d", sk_X509_num(ocsp->certs));
+
+ ngx_ssl_ocsp_validate_next(c);
+
+ if (ocsp->status == NGX_AGAIN) {
+ c->ssl->in_ocsp = 1;
+ return NGX_AGAIN;
+ }
+
+ return NGX_OK;
+}
+
+
+static void
+ngx_ssl_ocsp_validate_next(ngx_connection_t *c)
+{
+ ngx_int_t rc;
+ ngx_uint_t n;
+ ngx_ssl_ocsp_t *ocsp;
+ ngx_ssl_ocsp_ctx_t *ctx;
+ ngx_ssl_ocsp_conf_t *ocf;
+
+ ocsp = c->ssl->ocsp;
+ ocf = ocsp->conf;
+
+ n = sk_X509_num(ocsp->certs);
+
+ for ( ;; ) {
+
+ if (ocsp->ncert == n - 1 || (ocf->depth == 2 && ocsp->ncert == 1)) {
+ ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
+ "ssl ocsp validated, certs:%ui", ocsp->ncert);
+ goto done;
+ }
+
+ ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
+ "ssl ocsp validate cert:%ui", ocsp->ncert);
+
+ ctx = ngx_ssl_ocsp_start(c->log);
+ if (ctx == NULL) {
+ goto failed;
+ }
+
+ ocsp->ctx = ctx;
+
+ ctx->ssl_ctx = SSL_get_SSL_CTX(c->ssl->connection);
+ ctx->cert = sk_X509_value(ocsp->certs, ocsp->ncert);
+ ctx->issuer = sk_X509_value(ocsp->certs, ocsp->ncert + 1);
+ ctx->chain = ocsp->certs;
+
+ ctx->resolver = ocf->resolver;
+ ctx->resolver_timeout = ocf->resolver_timeout;
+
+ ctx->handler = ngx_ssl_ocsp_handler;
+ ctx->data = c;
+
+ ctx->shm_zone = ocf->shm_zone;
+
+ ctx->addrs = ocf->addrs;
+ ctx->naddrs = ocf->naddrs;
+ ctx->host = ocf->host;
+ ctx->uri = ocf->uri;
+ ctx->port = ocf->port;
+
+ if (ngx_ssl_ocsp_responder(c, ctx) != NGX_OK) {
+ goto failed;
+ }
+
+ if (ctx->uri.len == 0) {
+ ngx_str_set(&ctx->uri, "/");
+ }
+
+ ocsp->ncert++;
+
+ rc = ngx_ssl_ocsp_cache_lookup(ctx);
+
+ if (rc == NGX_ERROR) {
+ goto failed;
+ }
+
+ if (rc == NGX_DECLINED) {
+ break;
+ }
+
+ /* rc == NGX_OK */
+
+ if (ctx->status != V_OCSP_CERTSTATUS_GOOD) {
+ ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ctx->log, 0,
+ "ssl ocsp cached status \"%s\"",
+ OCSP_cert_status_str(ctx->status));
+ ocsp->cert_status = ctx->status;
+ goto done;
+ }
+
+ ocsp->ctx = NULL;
+ ngx_ssl_ocsp_done(ctx);
+ }
+
+ ngx_ssl_ocsp_request(ctx);
+ return;
+
+done:
+
+ ocsp->status = NGX_OK;
+ return;
+
+failed:
+
+ ocsp->status = NGX_ERROR;
+}
+
+
+static void
+ngx_ssl_ocsp_handler(ngx_ssl_ocsp_ctx_t *ctx)
+{
+ ngx_int_t rc;
+ ngx_ssl_ocsp_t *ocsp;
+ ngx_connection_t *c;
+
+ c = ctx->data;
+ ocsp = c->ssl->ocsp;
+ ocsp->ctx = NULL;
+
+ rc = ngx_ssl_ocsp_verify(ctx);
+ if (rc != NGX_OK) {
+ ocsp->status = rc;
+ ngx_ssl_ocsp_done(ctx);
+ goto done;
+ }
+
+ rc = ngx_ssl_ocsp_cache_store(ctx);
+ if (rc != NGX_OK) {
+ ocsp->status = rc;
+ ngx_ssl_ocsp_done(ctx);
+ goto done;
+ }
+
+ if (ctx->status != V_OCSP_CERTSTATUS_GOOD) {
+ ocsp->cert_status = ctx->status;
+ ocsp->status = NGX_OK;
+ ngx_ssl_ocsp_done(ctx);
+ goto done;
+ }
+
+ ngx_ssl_ocsp_done(ctx);
+
+ ngx_ssl_ocsp_validate_next(c);
+
+done:
+
+ if (ocsp->status == NGX_AGAIN || !c->ssl->in_ocsp) {
+ return;
+ }
+
+ c->ssl->handshaked = 1;
+
+ c->ssl->handler(c);
+}
+
+
+static ngx_int_t
+ngx_ssl_ocsp_responder(ngx_connection_t *c, ngx_ssl_ocsp_ctx_t *ctx)
+{
+ char *s;
+ ngx_str_t responder;
+ ngx_url_t u;
+ STACK_OF(OPENSSL_STRING) *aia;
+
+ if (ctx->host.len) {
+ return NGX_OK;
+ }
+
+ /* extract OCSP responder URL from certificate */
+
+ aia = X509_get1_ocsp(ctx->cert);
+ if (aia == NULL) {
+ ngx_log_error(NGX_LOG_ERR, c->log, 0,
+ "no OCSP responder URL in certificate");
+ return NGX_ERROR;
+ }
+
+#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+ s = sk_OPENSSL_STRING_value(aia, 0);
+#else
+ s = sk_value(aia, 0);
+#endif
+ if (s == NULL) {
+ ngx_log_error(NGX_LOG_ERR, c->log, 0,
+ "no OCSP responder URL in certificate");
+ X509_email_free(aia);
+ return NGX_ERROR;
+ }
+
+ responder.len = ngx_strlen(s);
+ responder.data = ngx_palloc(ctx->pool, responder.len);
+ if (responder.data == NULL) {
+ X509_email_free(aia);
+ return NGX_ERROR;
+ }
+
+ ngx_memcpy(responder.data, s, responder.len);
+ X509_email_free(aia);
+
+ ngx_memzero(&u, sizeof(ngx_url_t));
+
+ u.url = responder;
+ u.default_port = 80;
+ u.uri_part = 1;
+ u.no_resolve = 1;
+
+ if (u.url.len > 7
+ && ngx_strncasecmp(u.url.data, (u_char *) "http://", 7) == 0)
+ {
+ u.url.len -= 7;
+ u.url.data += 7;
+
+ } else {
+ ngx_log_error(NGX_LOG_ERR, c->log, 0,
+ "invalid URL prefix in OCSP responder \"%V\" "
+ "in certificate", &u.url);
+ return NGX_ERROR;
+ }
+
+ if (ngx_parse_url(ctx->pool, &u) != NGX_OK) {
+ if (u.err) {
+ ngx_log_error(NGX_LOG_ERR, c->log, 0,
+ "%s in OCSP responder \"%V\" in certificate",
+ u.err, &u.url);
+ }
+
+ return NGX_ERROR;
+ }
+
+ if (u.host.len == 0) {
+ ngx_log_error(NGX_LOG_ERR, c->log, 0,
+ "empty host in OCSP responder in certificate");
+ return NGX_ERROR;
+ }
+
+ ctx->addrs = u.addrs;
+ ctx->naddrs = u.naddrs;
+ ctx->host = u.host;
+ ctx->uri = u.uri;
+ ctx->port = u.port;
+
+ return NGX_OK;
+}
+
+
+ngx_int_t
+ngx_ssl_ocsp_get_status(ngx_connection_t *c, const char **s)
+{
+ ngx_ssl_ocsp_t *ocsp;
+
+ ocsp = c->ssl->ocsp;
+ if (ocsp == NULL) {
+ return NGX_OK;
+ }
+
+ if (ocsp->status == NGX_ERROR) {
+ *s = "certificate status request failed";
+ return NGX_DECLINED;
+ }
+
+ switch (ocsp->cert_status) {
+
+ case V_OCSP_CERTSTATUS_GOOD:
+ return NGX_OK;
+
+ case V_OCSP_CERTSTATUS_REVOKED:
+ *s = "certificate revoked";
+ break;
+
+ default: /* V_OCSP_CERTSTATUS_UNKNOWN */
+ *s = "certificate status unknown";
+ }
+
+ return NGX_DECLINED;
+}
+
+
+void
+ngx_ssl_ocsp_cleanup(ngx_connection_t *c)
+{
+ ngx_ssl_ocsp_t *ocsp;
+
+ ocsp = c->ssl->ocsp;
+ if (ocsp == NULL) {
+ return;
+ }
+
+ if (ocsp->ctx) {
+ ngx_ssl_ocsp_done(ocsp->ctx);
+ ocsp->ctx = NULL;
+ }
+
+ if (ocsp->certs) {
+ sk_X509_pop_free(ocsp->certs, X509_free);
+ ocsp->certs = NULL;
+ }
+}
+
+
static ngx_ssl_ocsp_ctx_t *
-ngx_ssl_ocsp_start(void)
+ngx_ssl_ocsp_start(ngx_log_t *log)
{
- ngx_log_t *log;
ngx_pool_t *pool;
ngx_ssl_ocsp_ctx_t *ctx;
- pool = ngx_create_pool(2048, ngx_cycle->log);
+ pool = ngx_create_pool(2048, log);
if (pool == NULL) {
return NULL;
}
@@ -885,6 +1315,36 @@ ngx_ssl_ocsp_error(ngx_ssl_ocsp_ctx_t *ctx)
static void
+ngx_ssl_ocsp_next(ngx_ssl_ocsp_ctx_t *ctx)
+{
+ ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ctx->log, 0,
+ "ssl ocsp next");
+
+ if (++ctx->naddr >= ctx->naddrs) {
+ ngx_ssl_ocsp_error(ctx);
+ return;
+ }
+
+ ctx->request->pos = ctx->request->start;
+
+ if (ctx->response) {
+ ctx->response->last = ctx->response->pos;
+ }
+
+ if (ctx->peer.connection) {
+ ngx_close_connection(ctx->peer.connection);
+ ctx->peer.connection = NULL;
+ }
+
+ ctx->state = 0;
+ ctx->count = 0;
+ ctx->done = 0;
+
+ ngx_ssl_ocsp_connect(ctx);
+}
+
+
+static void
ngx_ssl_ocsp_request(ngx_ssl_ocsp_ctx_t *ctx)
{
ngx_resolver_ctx_t *resolve, temp;
@@ -909,6 +1369,14 @@ ngx_ssl_ocsp_request(ngx_ssl_ocsp_ctx_t *ctx)
}
if (resolve == NGX_NO_RESOLVER) {
+ if (ctx->naddrs == 0) {
+ ngx_log_error(NGX_LOG_ERR, ctx->log, 0,
+ "no resolver defined to resolve %V", &ctx->host);
+
+ ngx_ssl_ocsp_error(ctx);
+ return;
+ }
+
ngx_log_error(NGX_LOG_WARN, ctx->log, 0,
"no resolver defined to resolve %V", &ctx->host);
goto connect;
@@ -1022,16 +1490,17 @@ failed:
static void
ngx_ssl_ocsp_connect(ngx_ssl_ocsp_ctx_t *ctx)
{
- ngx_int_t rc;
+ ngx_int_t rc;
+ ngx_addr_t *addr;
- ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ctx->log, 0,
- "ssl ocsp connect");
+ ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ctx->log, 0,
+ "ssl ocsp connect %ui/%ui", ctx->naddr, ctx->naddrs);
- /* TODO: use all ip addresses */
+ addr = &ctx->addrs[ctx->naddr];
- ctx->peer.sockaddr = ctx->addrs[0].sockaddr;
- ctx->peer.socklen = ctx->addrs[0].socklen;
- ctx->peer.name = &ctx->addrs[0].name;
+ ctx->peer.sockaddr = addr->sockaddr;
+ ctx->peer.socklen = addr->socklen;
+ ctx->peer.name = &addr->name;
ctx->peer.get = ngx_event_get_peer;
ctx->peer.log = ctx->log;
ctx->peer.log_error = NGX_ERROR_ERR;
@@ -1041,11 +1510,16 @@ ngx_ssl_ocsp_connect(ngx_ssl_ocsp_ctx_t *ctx)
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ctx->log, 0,
"ssl ocsp connect peer done");
- if (rc == NGX_ERROR || rc == NGX_BUSY || rc == NGX_DECLINED) {
+ if (rc == NGX_ERROR) {
ngx_ssl_ocsp_error(ctx);
return;
}
+ if (rc == NGX_BUSY || rc == NGX_DECLINED) {
+ ngx_ssl_ocsp_next(ctx);
+ return;
+ }
+
ctx->peer.connection->data = ctx;
ctx->peer.connection->pool = ctx->pool;
@@ -1054,8 +1528,10 @@ ngx_ssl_ocsp_connect(ngx_ssl_ocsp_ctx_t *ctx)
ctx->process = ngx_ssl_ocsp_process_status_line;
- ngx_add_timer(ctx->peer.connection->read, ctx->timeout);
- ngx_add_timer(ctx->peer.connection->write, ctx->timeout);
+ if (ctx->timeout) {
+ ngx_add_timer(ctx->peer.connection->read, ctx->timeout);
+ ngx_add_timer(ctx->peer.connection->write, ctx->timeout);
+ }
if (rc == NGX_OK) {
ngx_ssl_ocsp_write_handler(ctx->peer.connection->write);
@@ -1080,7 +1556,7 @@ ngx_ssl_ocsp_write_handler(ngx_event_t *wev)
if (wev->timedout) {
ngx_log_error(NGX_LOG_ERR, wev->log, NGX_ETIMEDOUT,
"OCSP responder timed out");
- ngx_ssl_ocsp_error(ctx);
+ ngx_ssl_ocsp_next(ctx);
return;
}
@@ -1089,7 +1565,7 @@ ngx_ssl_ocsp_write_handler(ngx_event_t *wev)
n = ngx_send(c, ctx->request->pos, size);
if (n == NGX_ERROR) {
- ngx_ssl_ocsp_error(ctx);
+ ngx_ssl_ocsp_next(ctx);
return;
}
@@ -1111,7 +1587,7 @@ ngx_ssl_ocsp_write_handler(ngx_event_t *wev)
}
}
- if (!wev->timer_set) {
+ if (!wev->timer_set && ctx->timeout) {
ngx_add_timer(wev, ctx->timeout);
}
}
@@ -1134,7 +1610,7 @@ ngx_ssl_ocsp_read_handler(ngx_event_t *rev)
if (rev->timedout) {
ngx_log_error(NGX_LOG_ERR, rev->log, NGX_ETIMEDOUT,
"OCSP responder timed out");
- ngx_ssl_ocsp_error(ctx);
+ ngx_ssl_ocsp_next(ctx);
return;
}
@@ -1158,7 +1634,7 @@ ngx_ssl_ocsp_read_handler(ngx_event_t *rev)
rc = ctx->process(ctx);
if (rc == NGX_ERROR) {
- ngx_ssl_ocsp_error(ctx);
+ ngx_ssl_ocsp_next(ctx);
return;
}
@@ -1189,7 +1665,7 @@ ngx_ssl_ocsp_read_handler(ngx_event_t *rev)
ngx_log_error(NGX_LOG_ERR, ctx->log, 0,
"OCSP responder prematurely closed connection");
- ngx_ssl_ocsp_error(ctx);
+ ngx_ssl_ocsp_next(ctx);
}
@@ -1831,6 +2307,368 @@ ngx_ssl_ocsp_process_body(ngx_ssl_ocsp_ctx_t *ctx)
}
+static ngx_int_t
+ngx_ssl_ocsp_verify(ngx_ssl_ocsp_ctx_t *ctx)
+{
+ int n;
+ size_t len;
+ X509_STORE *store;
+ const u_char *p;
+ OCSP_CERTID *id;
+ OCSP_RESPONSE *ocsp;
+ OCSP_BASICRESP *basic;
+ ASN1_GENERALIZEDTIME *thisupdate, *nextupdate;
+
+ ocsp = NULL;
+ basic = NULL;
+ id = NULL;
+
+ if (ctx->code != 200) {
+ goto error;
+ }
+
+ /* check the response */
+
+ len = ctx->response->last - ctx->response->pos;
+ p = ctx->response->pos;
+
+ ocsp = d2i_OCSP_RESPONSE(NULL, &p, len);
+ if (ocsp == NULL) {
+ ngx_ssl_error(NGX_LOG_ERR, ctx->log, 0,
+ "d2i_OCSP_RESPONSE() failed");
+ goto error;
+ }
+
+ n = OCSP_response_status(ocsp);
+
+ if (n != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
+ ngx_log_error(NGX_LOG_ERR, ctx->log, 0,
+ "OCSP response not successful (%d: %s)",
+ n, OCSP_response_status_str(n));
+ goto error;
+ }
+
+ basic = OCSP_response_get1_basic(ocsp);
+ if (basic == NULL) {
+ ngx_ssl_error(NGX_LOG_ERR, ctx->log, 0,
+ "OCSP_response_get1_basic() failed");
+ goto error;
+ }
+
+ store = SSL_CTX_get_cert_store(ctx->ssl_ctx);
+ if (store == NULL) {
+ ngx_ssl_error(NGX_LOG_CRIT, ctx->log, 0,
+ "SSL_CTX_get_cert_store() failed");
+ goto error;
+ }
+
+ if (OCSP_basic_verify(basic, ctx->chain, store, ctx->flags) != 1) {
+ ngx_ssl_error(NGX_LOG_ERR, ctx->log, 0,
+ "OCSP_basic_verify() failed");
+ goto error;
+ }
+
+ id = OCSP_cert_to_id(NULL, ctx->cert, ctx->issuer);
+ if (id == NULL) {
+ ngx_ssl_error(NGX_LOG_CRIT, ctx->log, 0,
+ "OCSP_cert_to_id() failed");
+ goto error;
+ }
+
+ if (OCSP_resp_find_status(basic, id, &ctx->status, NULL, NULL,
+ &thisupdate, &nextupdate)
+ != 1)
+ {
+ ngx_log_error(NGX_LOG_ERR, ctx->log, 0,
+ "certificate status not found in the OCSP response");
+ goto error;
+ }
+
+ if (OCSP_check_validity(thisupdate, nextupdate, 300, -1) != 1) {
+ ngx_ssl_error(NGX_LOG_ERR, ctx->log, 0,
+ "OCSP_check_validity() failed");
+ goto error;
+ }
+
+ if (nextupdate) {
+ ctx->valid = ngx_ssl_stapling_time(nextupdate);
+ if (ctx->valid == (time_t) NGX_ERROR) {
+ ngx_log_error(NGX_LOG_ERR, ctx->log, 0,
+ "invalid nextUpdate time in certificate status");
+ goto error;
+ }
+
+ } else {
+ ctx->valid = NGX_MAX_TIME_T_VALUE;
+ }
+
+ OCSP_CERTID_free(id);
+ OCSP_BASICRESP_free(basic);
+ OCSP_RESPONSE_free(ocsp);
+
+ ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ctx->log, 0,
+ "ssl ocsp response, %s, %uz",
+ OCSP_cert_status_str(ctx->status), len);
+
+ return NGX_OK;
+
+error:
+
+ if (id) {
+ OCSP_CERTID_free(id);
+ }
+
+ if (basic) {
+ OCSP_BASICRESP_free(basic);
+ }
+
+ if (ocsp) {
+ OCSP_RESPONSE_free(ocsp);
+ }
+
+ return NGX_ERROR;
+}
+
+
+ngx_int_t
+ngx_ssl_ocsp_cache_init(ngx_shm_zone_t *shm_zone, void *data)
+{
+ size_t len;
+ ngx_slab_pool_t *shpool;
+ ngx_ssl_ocsp_cache_t *cache;
+
+ if (data) {
+ shm_zone->data = data;
+ return NGX_OK;
+ }
+
+ shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
+
+ if (shm_zone->shm.exists) {
+ shm_zone->data = shpool->data;
+ return NGX_OK;
+ }
+
+ cache = ngx_slab_alloc(shpool, sizeof(ngx_ssl_ocsp_cache_t));
+ if (cache == NULL) {
+ return NGX_ERROR;
+ }
+
+ shpool->data = cache;
+ shm_zone->data = cache;
+
+ ngx_rbtree_init(&cache->rbtree, &cache->sentinel,
+ ngx_str_rbtree_insert_value);
+
+ ngx_queue_init(&cache->expire_queue);
+
+ len = sizeof(" in OCSP cache \"\"") + shm_zone->shm.name.len;
+
+ shpool->log_ctx = ngx_slab_alloc(shpool, len);
+ if (shpool->log_ctx == NULL) {
+ return NGX_ERROR;
+ }
+
+ ngx_sprintf(shpool->log_ctx, " in OCSP cache \"%V\"%Z",
+ &shm_zone->shm.name);
+
+ shpool->log_nomem = 0;
+
+ return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_ssl_ocsp_cache_lookup(ngx_ssl_ocsp_ctx_t *ctx)
+{
+ uint32_t hash;
+ ngx_shm_zone_t *shm_zone;
+ ngx_slab_pool_t *shpool;
+ ngx_ssl_ocsp_cache_t *cache;
+ ngx_ssl_ocsp_cache_node_t *node;
+
+ shm_zone = ctx->shm_zone;
+
+ if (shm_zone == NULL) {
+ return NGX_DECLINED;
+ }
+
+ if (ngx_ssl_ocsp_create_key(ctx) != NGX_OK) {
+ return NGX_ERROR;
+ }
+
+ ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ctx->log, 0, "ssl ocsp cache lookup");
+
+ cache = shm_zone->data;
+ shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
+ hash = ngx_hash_key(ctx->key.data, ctx->key.len);
+
+ ngx_shmtx_lock(&shpool->mutex);
+
+ node = (ngx_ssl_ocsp_cache_node_t *)
+ ngx_str_rbtree_lookup(&cache->rbtree, &ctx->key, hash);
+
+ if (node) {
+ if (node->valid > ngx_time()) {
+ ctx->status = node->status;
+ ngx_shmtx_unlock(&shpool->mutex);
+
+ ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ctx->log, 0,
+ "ssl ocsp cache hit, %s",
+ OCSP_cert_status_str(ctx->status));
+
+ return NGX_OK;
+ }
+
+ ngx_queue_remove(&node->queue);
+ ngx_rbtree_delete(&cache->rbtree, &node->node.node);
+ ngx_slab_free_locked(shpool, node);
+
+ ngx_shmtx_unlock(&shpool->mutex);
+
+ ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ctx->log, 0,
+ "ssl ocsp cache expired");
+
+ return NGX_DECLINED;
+ }
+
+ ngx_shmtx_unlock(&shpool->mutex);
+
+ ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ctx->log, 0, "ssl ocsp cache miss");
+
+ return NGX_DECLINED;
+}
+
+
+static ngx_int_t
+ngx_ssl_ocsp_cache_store(ngx_ssl_ocsp_ctx_t *ctx)
+{
+ time_t now, valid;
+ uint32_t hash;
+ ngx_queue_t *q;
+ ngx_shm_zone_t *shm_zone;
+ ngx_slab_pool_t *shpool;
+ ngx_ssl_ocsp_cache_t *cache;
+ ngx_ssl_ocsp_cache_node_t *node;
+
+ shm_zone = ctx->shm_zone;
+
+ if (shm_zone == NULL) {
+ return NGX_OK;
+ }
+
+ valid = ctx->valid;
+
+ now = ngx_time();
+
+ if (valid < now) {
+ return NGX_OK;
+ }
+
+ if (valid == NGX_MAX_TIME_T_VALUE) {
+ valid = now + 3600;
+ }
+
+ ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ctx->log, 0,
+ "ssl ocsp cache store, valid:%T", valid - now);
+
+ cache = shm_zone->data;
+ shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
+ hash = ngx_hash_key(ctx->key.data, ctx->key.len);
+
+ ngx_shmtx_lock(&shpool->mutex);
+
+ node = ngx_slab_calloc_locked(shpool,
+ sizeof(ngx_ssl_ocsp_cache_node_t) + ctx->key.len);
+ if (node == NULL) {
+
+ if (!ngx_queue_empty(&cache->expire_queue)) {
+ q = ngx_queue_last(&cache->expire_queue);
+ node = ngx_queue_data(q, ngx_ssl_ocsp_cache_node_t, queue);
+
+ ngx_rbtree_delete(&cache->rbtree, &node->node.node);
+ ngx_queue_remove(q);
+ ngx_slab_free_locked(shpool, node);
+
+ node = ngx_slab_alloc_locked(shpool,
+ sizeof(ngx_ssl_ocsp_cache_node_t) + ctx->key.len);
+ }
+
+ if (node == NULL) {
+ ngx_shmtx_unlock(&shpool->mutex);
+ ngx_log_error(NGX_LOG_ALERT, ctx->log, 0,
+ "could not allocate new entry%s", shpool->log_ctx);
+ return NGX_ERROR;
+ }
+ }
+
+ node->node.str.len = ctx->key.len;
+ node->node.str.data = (u_char *) node + sizeof(ngx_ssl_ocsp_cache_node_t);
+ ngx_memcpy(node->node.str.data, ctx->key.data, ctx->key.len);
+ node->node.node.key = hash;
+ node->status = ctx->status;
+ node->valid = valid;
+
+ ngx_rbtree_insert(&cache->rbtree, &node->node.node);
+ ngx_queue_insert_head(&cache->expire_queue, &node->queue);
+
+ ngx_shmtx_unlock(&shpool->mutex);
+
+ return NGX_OK;
+}
+
+
+static ngx_int_t
+ngx_ssl_ocsp_create_key(ngx_ssl_ocsp_ctx_t *ctx)
+{
+ u_char *p;
+ X509_NAME *name;
+ ASN1_INTEGER *serial;
+
+ p = ngx_pnalloc(ctx->pool, 60);
+ if (p == NULL) {
+ return NGX_ERROR;
+ }
+
+ ctx->key.data = p;
+ ctx->key.len = 60;
+
+ name = X509_get_subject_name(ctx->issuer);
+ if (X509_NAME_digest(name, EVP_sha1(), p, NULL) == 0) {
+ return NGX_ERROR;
+ }
+
+ p += 20;
+
+ if (X509_pubkey_digest(ctx->issuer, EVP_sha1(), p, NULL) == 0) {
+ return NGX_ERROR;
+ }
+
+ p += 20;
+
+ serial = X509_get_serialNumber(ctx->cert);
+ if (serial->length > 20) {
+ return NGX_ERROR;
+ }
+
+ p = ngx_cpymem(p, serial->data, serial->length);
+ ngx_memzero(p, 20 - serial->length);
+
+#if (NGX_DEBUG)
+ {
+ u_char buf[120];
+
+ ngx_hex_dump(buf, ctx->key.data, ctx->key.len);
+
+ ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ctx->log, 0,
+ "ssl ocsp key %*s", sizeof(buf), buf);
+ }
+#endif
+
+ return NGX_OK;
+}
+
+
static u_char *
ngx_ssl_ocsp_log_error(ngx_log_t *log, u_char *buf, size_t len)
{
@@ -1891,4 +2729,50 @@ ngx_ssl_stapling_resolver(ngx_conf_t *cf, ngx_ssl_t *ssl,
}
+ngx_int_t
+ngx_ssl_ocsp(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *responder,
+ ngx_uint_t depth, ngx_shm_zone_t *shm_zone)
+{
+ ngx_log_error(NGX_LOG_EMERG, ssl->log, 0,
+ "\"ssl_ocsp\" is not supported on this platform");
+
+ return NGX_ERROR;
+}
+
+
+ngx_int_t
+ngx_ssl_ocsp_resolver(ngx_conf_t *cf, ngx_ssl_t *ssl,
+ ngx_resolver_t *resolver, ngx_msec_t resolver_timeout)
+{
+ return NGX_OK;
+}
+
+
+ngx_int_t
+ngx_ssl_ocsp_validate(ngx_connection_t *c)
+{
+ return NGX_OK;
+}
+
+
+ngx_int_t
+ngx_ssl_ocsp_get_status(ngx_connection_t *c, const char **s)
+{
+ return NGX_OK;
+}
+
+
+void
+ngx_ssl_ocsp_cleanup(ngx_connection_t *c)
+{
+}
+
+
+ngx_int_t
+ngx_ssl_ocsp_cache_init(ngx_shm_zone_t *shm_zone, void *data)
+{
+ return NGX_OK;
+}
+
+
#endif
diff --git a/src/http/modules/ngx_http_grpc_module.c b/src/http/modules/ngx_http_grpc_module.c
index d4af66dbf..992211e73 100644
--- a/src/http/modules/ngx_http_grpc_module.c
+++ b/src/http/modules/ngx_http_grpc_module.c
@@ -120,6 +120,7 @@ typedef struct {
unsigned end_stream:1;
unsigned done:1;
unsigned status:1;
+ unsigned rst:1;
ngx_http_request_t *request;
@@ -1205,6 +1206,7 @@ ngx_http_grpc_reinit_request(ngx_http_request_t *r)
ctx->end_stream = 0;
ctx->done = 0;
ctx->status = 0;
+ ctx->rst = 0;
ctx->connection = NULL;
return NGX_OK;
@@ -2088,7 +2090,10 @@ ngx_http_grpc_filter(void *data, ssize_t bytes)
return NGX_ERROR;
}
- if (ctx->stream_id && ctx->done) {
+ if (ctx->stream_id && ctx->done
+ && ctx->type != NGX_HTTP_V2_RST_STREAM_FRAME
+ && ctx->type != NGX_HTTP_V2_WINDOW_UPDATE_FRAME)
+ {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"upstream sent frame for closed stream %ui",
ctx->stream_id);
@@ -2131,11 +2136,21 @@ ngx_http_grpc_filter(void *data, ssize_t bytes)
return NGX_ERROR;
}
- ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
- "upstream rejected request with error %ui",
- ctx->error);
+ if (ctx->error || !ctx->done) {
+ ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+ "upstream rejected request with error %ui",
+ ctx->error);
+ return NGX_ERROR;
+ }
- return NGX_ERROR;
+ if (ctx->rst) {
+ ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
+ "upstream sent frame for closed stream %ui",
+ ctx->stream_id);
+ return NGX_ERROR;
+ }
+
+ ctx->rst = 1;
}
if (ctx->type == NGX_HTTP_V2_GOAWAY_FRAME) {
diff --git a/src/http/modules/ngx_http_ssl_module.c b/src/http/modules/ngx_http_ssl_module.c
index a48d3b924..7daa4daf2 100644
--- a/src/http/modules/ngx_http_ssl_module.c
+++ b/src/http/modules/ngx_http_ssl_module.c
@@ -50,6 +50,8 @@ static char *ngx_http_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
+static char *ngx_http_ssl_ocsp_cache(ngx_conf_t *cf, ngx_command_t *cmd,
+ void *conf);
static ngx_int_t ngx_http_ssl_init(ngx_conf_t *cf);
@@ -74,6 +76,14 @@ static ngx_conf_enum_t ngx_http_ssl_verify[] = {
};
+static ngx_conf_enum_t ngx_http_ssl_ocsp[] = {
+ { ngx_string("off"), 0 },
+ { ngx_string("on"), 1 },
+ { ngx_string("leaf"), 2 },
+ { ngx_null_string, 0 }
+};
+
+
static ngx_conf_deprecated_t ngx_http_ssl_deprecated = {
ngx_conf_deprecated, "ssl", "listen ... ssl"
};
@@ -214,6 +224,27 @@ static ngx_command_t ngx_http_ssl_commands[] = {
offsetof(ngx_http_ssl_srv_conf_t, crl),
NULL },
+ { ngx_string("ssl_ocsp"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
+ ngx_conf_set_enum_slot,
+ NGX_HTTP_SRV_CONF_OFFSET,
+ offsetof(ngx_http_ssl_srv_conf_t, ocsp),
+ &ngx_http_ssl_ocsp },
+
+ { ngx_string("ssl_ocsp_responder"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_str_slot,
+ NGX_HTTP_SRV_CONF_OFFSET,
+ offsetof(ngx_http_ssl_srv_conf_t, ocsp_responder),
+ NULL },
+
+ { ngx_string("ssl_ocsp_cache"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
+ ngx_http_ssl_ocsp_cache,
+ NGX_HTTP_SRV_CONF_OFFSET,
+ 0,
+ NULL },
+
{ ngx_string("ssl_stapling"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
@@ -569,6 +600,7 @@ ngx_http_ssl_create_srv_conf(ngx_conf_t *cf)
* sscf->crl = { 0, NULL };
* sscf->ciphers = { 0, NULL };
* sscf->shm_zone = NULL;
+ * sscf->ocsp_responder = { 0, NULL };
* sscf->stapling_file = { 0, NULL };
* sscf->stapling_responder = { 0, NULL };
*/
@@ -586,6 +618,8 @@ ngx_http_ssl_create_srv_conf(ngx_conf_t *cf)
sscf->session_timeout = NGX_CONF_UNSET;
sscf->session_tickets = NGX_CONF_UNSET;
sscf->session_ticket_keys = NGX_CONF_UNSET_PTR;
+ sscf->ocsp = NGX_CONF_UNSET_UINT;
+ sscf->ocsp_cache_zone = NGX_CONF_UNSET_PTR;
sscf->stapling = NGX_CONF_UNSET;
sscf->stapling_verify = NGX_CONF_UNSET;
@@ -649,6 +683,11 @@ ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, NGX_DEFAULT_CIPHERS);
+ ngx_conf_merge_uint_value(conf->ocsp, prev->ocsp, 0);
+ ngx_conf_merge_str_value(conf->ocsp_responder, prev->ocsp_responder, "");
+ ngx_conf_merge_ptr_value(conf->ocsp_cache_zone,
+ prev->ocsp_cache_zone, NULL);
+
ngx_conf_merge_value(conf->stapling, prev->stapling, 0);
ngx_conf_merge_value(conf->stapling_verify, prev->stapling_verify, 0);
ngx_conf_merge_str_value(conf->stapling_file, prev->stapling_file, "");
@@ -810,6 +849,23 @@ ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
return NGX_CONF_ERROR;
}
+ if (conf->ocsp) {
+
+ if (conf->verify == 3) {
+ ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
+ "\"ssl_ocsp\" is incompatible with "
+ "\"ssl_verify_client optional_no_ca\"");
+ return NGX_CONF_ERROR;
+ }
+
+ if (ngx_ssl_ocsp(cf, &conf->ssl, &conf->ocsp_responder, conf->ocsp,
+ conf->ocsp_cache_zone)
+ != NGX_OK)
+ {
+ return NGX_CONF_ERROR;
+ }
+ }
+
if (ngx_ssl_dhparam(cf, &conf->ssl, &conf->dhparam) != NGX_OK) {
return NGX_CONF_ERROR;
}
@@ -1108,6 +1164,85 @@ invalid:
}
+static char *
+ngx_http_ssl_ocsp_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
+{
+ ngx_http_ssl_srv_conf_t *sscf = conf;
+
+ size_t len;
+ ngx_int_t n;
+ ngx_str_t *value, name, size;
+ ngx_uint_t j;
+
+ if (sscf->ocsp_cache_zone != NGX_CONF_UNSET_PTR) {
+ return "is duplicate";
+ }
+
+ value = cf->args->elts;
+
+ if (ngx_strcmp(value[1].data, "off") == 0) {
+ sscf->ocsp_cache_zone = NULL;
+ return NGX_CONF_OK;
+ }
+
+ if (value[1].len <= sizeof("shared:") - 1
+ || ngx_strncmp(value[1].data, "shared:", sizeof("shared:") - 1) != 0)
+ {
+ goto invalid;
+ }
+
+ len = 0;
+
+ for (j = sizeof("shared:") - 1; j < value[1].len; j++) {
+ if (value[1].data[j] == ':') {
+ break;
+ }
+
+ len++;
+ }
+
+ if (len == 0) {
+ goto invalid;
+ }
+
+ name.len = len;
+ name.data = value[1].data + sizeof("shared:") - 1;
+
+ size.len = value[1].len - j - 1;
+ size.data = name.data + len + 1;
+
+ n = ngx_parse_size(&size);
+
+ if (n == NGX_ERROR) {
+ goto invalid;
+ }
+
+ if (n < (ngx_int_t) (8 * ngx_pagesize)) {
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+ "OCSP cache \"%V\" is too small", &value[1]);
+
+ return NGX_CONF_ERROR;
+ }
+
+ sscf->ocsp_cache_zone = ngx_shared_memory_add(cf, &name, n,
+ &ngx_http_ssl_module_ctx);
+ if (sscf->ocsp_cache_zone == NULL) {
+ return NGX_CONF_ERROR;
+ }
+
+ sscf->ocsp_cache_zone->init = ngx_ssl_ocsp_cache_init;
+
+ return NGX_CONF_OK;
+
+invalid:
+
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+ "invalid OCSP cache \"%V\"", &value[1]);
+
+ return NGX_CONF_ERROR;
+}
+
+
static ngx_int_t
ngx_http_ssl_init(ngx_conf_t *cf)
{
@@ -1126,17 +1261,28 @@ ngx_http_ssl_init(ngx_conf_t *cf)
sscf = cscfp[s]->ctx->srv_conf[ngx_http_ssl_module.ctx_index];
- if (sscf->ssl.ctx == NULL || !sscf->stapling) {
+ if (sscf->ssl.ctx == NULL) {
continue;
}
clcf = cscfp[s]->ctx->loc_conf[ngx_http_core_module.ctx_index];
- if (ngx_ssl_stapling_resolver(cf, &sscf->ssl, clcf->resolver,
+ if (sscf->stapling) {
+ if (ngx_ssl_stapling_resolver(cf, &sscf->ssl, clcf->resolver,
+ clcf->resolver_timeout)
+ != NGX_OK)
+ {
+ return NGX_ERROR;
+ }
+ }
+
+ if (sscf->ocsp) {
+ if (ngx_ssl_ocsp_resolver(cf, &sscf->ssl, clcf->resolver,
clcf->resolver_timeout)
- != NGX_OK)
- {
- return NGX_ERROR;
+ != NGX_OK)
+ {
+ return NGX_ERROR;
+ }
}
}
diff --git a/src/http/modules/ngx_http_ssl_module.h b/src/http/modules/ngx_http_ssl_module.h
index 26fdccfe4..98aa1be40 100644
--- a/src/http/modules/ngx_http_ssl_module.h
+++ b/src/http/modules/ngx_http_ssl_module.h
@@ -54,6 +54,10 @@ typedef struct {
ngx_flag_t session_tickets;
ngx_array_t *session_ticket_keys;
+ ngx_uint_t ocsp;
+ ngx_str_t ocsp_responder;
+ ngx_shm_zone_t *ocsp_cache_zone;
+
ngx_flag_t stapling;
ngx_flag_t stapling_verify;
ngx_str_t stapling_file;
diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
index 1b3573598..3e6fce676 100644
--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -2127,6 +2127,7 @@ ngx_http_process_request(ngx_http_request_t *r)
if (r->http_connection->ssl) {
long rc;
X509 *cert;
+ const char *s;
ngx_http_ssl_srv_conf_t *sscf;
if (c->ssl == NULL) {
@@ -2171,6 +2172,17 @@ ngx_http_process_request(ngx_http_request_t *r)
X509_free(cert);
}
+
+ if (ngx_ssl_ocsp_get_status(c, &s) != NGX_OK) {
+ ngx_log_error(NGX_LOG_INFO, c->log, 0,
+ "client SSL certificate verify error: %s", s);
+
+ ngx_ssl_remove_cached_session(c->ssl->session_ctx,
+ (SSL_get0_session(c->ssl->connection)));
+
+ ngx_http_finalize_request(r, NGX_HTTPS_CERT_ERROR);
+ return;
+ }
}
}
diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index 89e1319f9..be96be47a 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -2502,6 +2502,8 @@ ngx_http_upstream_test_next(ngx_http_request_t *r, ngx_http_upstream_t *u)
}
#endif
+
+ break;
}
#if (NGX_HTTP_CACHE)
diff --git a/src/http/ngx_http_variables.c b/src/http/ngx_http_variables.c
index e067cf0c2..c2113c843 100644
--- a/src/http/ngx_http_variables.c
+++ b/src/http/ngx_http_variables.c
@@ -1075,7 +1075,7 @@ ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v,
len = name->len - (sizeof("arg_") - 1);
arg = name->data + sizeof("arg_") - 1;
- if (ngx_http_arg(r, arg, len, &value) != NGX_OK) {
+ if (len == 0 || ngx_http_arg(r, arg, len, &value) != NGX_OK) {
v->not_found = 1;
return NGX_OK;
}
diff --git a/src/http/v2/ngx_http_v2.c b/src/http/v2/ngx_http_v2.c
index 8b0fc53b0..08d66c97b 100644
--- a/src/http/v2/ngx_http_v2.c
+++ b/src/http/v2/ngx_http_v2.c
@@ -731,9 +731,8 @@ ngx_http_v2_state_preface(ngx_http_v2_connection_t *h2c, u_char *pos,
}
if (ngx_memcmp(pos, preface, sizeof(preface) - 1) != 0) {
- ngx_log_debug2(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0,
- "invalid http2 connection preface \"%*s\"",
- sizeof(preface) - 1, pos);
+ ngx_log_error(NGX_LOG_INFO, h2c->connection->log, 0,
+ "invalid connection preface");
return ngx_http_v2_connection_error(h2c, NGX_HTTP_V2_PROTOCOL_ERROR);
}
@@ -754,9 +753,8 @@ ngx_http_v2_state_preface_end(ngx_http_v2_connection_t *h2c, u_char *pos,
}
if (ngx_memcmp(pos, preface, sizeof(preface) - 1) != 0) {
- ngx_log_debug2(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0,
- "invalid http2 connection preface \"%*s\"",
- sizeof(preface) - 1, pos);
+ ngx_log_error(NGX_LOG_INFO, h2c->connection->log, 0,
+ "invalid connection preface");
return ngx_http_v2_connection_error(h2c, NGX_HTTP_V2_PROTOCOL_ERROR);
}