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ssl_sample.c
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/*
* This file contains the sample fetches related to the SSL
*
* Copyright (C) 2012 EXCELIANCE, Emeric Brun <ebrun@exceliance.fr>
* Copyright (C) 2020 HAProxy Technologies, William Lallemand <wlallemand@haproxy.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#define _GNU_SOURCE
#include <ctype.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <haproxy/acl.h>
#include <haproxy/api.h>
#include <haproxy/arg.h>
#include <haproxy/buf-t.h>
#include <haproxy/obj_type.h>
#include <haproxy/openssl-compat.h>
#include <haproxy/sample.h>
#include <haproxy/ssl_sock.h>
#include <haproxy/ssl_utils.h>
#include <haproxy/tools.h>
/***** Below are some sample fetching functions for ACL/patterns *****/
static int
smp_fetch_ssl_fc_has_early(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
SSL *ssl;
struct connection *conn;
conn = objt_conn(smp->sess->origin);
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
smp->flags = 0;
smp->data.type = SMP_T_BOOL;
#ifdef OPENSSL_IS_BORINGSSL
{
smp->data.u.sint = (SSL_in_early_data(ssl) &&
SSL_early_data_accepted(ssl));
}
#else
smp->data.u.sint = ((conn->flags & CO_FL_EARLY_DATA) &&
(conn->flags & (CO_FL_EARLY_SSL_HS | CO_FL_SSL_WAIT_HS))) ? 1 : 0;
#endif
return 1;
}
/* boolean, returns true if client cert was present */
static int
smp_fetch_ssl_fc_has_crt(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
struct connection *conn;
struct ssl_sock_ctx *ctx;
conn = objt_conn(smp->sess->origin);
if (!conn || conn->xprt != &ssl_sock)
return 0;
ctx = conn->xprt_ctx;
if (conn->flags & CO_FL_WAIT_XPRT) {
smp->flags |= SMP_F_MAY_CHANGE;
return 0;
}
smp->flags = SMP_F_VOL_SESS;
smp->data.type = SMP_T_BOOL;
smp->data.u.sint = SSL_SOCK_ST_FL_VERIFY_DONE & ctx->xprt_st ? 1 : 0;
return 1;
}
/* binary, returns a certificate in a binary chunk (der/raw).
* The 5th keyword char is used to know if SSL_get_certificate or SSL_get_peer_certificate
* should be use.
*/
static int
smp_fetch_ssl_x_der(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
int cert_peer = (kw[4] == 'c' || kw[4] == 's') ? 1 : 0;
int conn_server = (kw[4] == 's') ? 1 : 0;
X509 *crt = NULL;
int ret = 0;
struct buffer *smp_trash;
struct connection *conn;
SSL *ssl;
if (conn_server)
conn = smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
else
conn = objt_conn(smp->sess->origin);
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
if (conn->flags & CO_FL_WAIT_XPRT && !conn->err_code) {
smp->flags |= SMP_F_MAY_CHANGE;
return 0;
}
if (cert_peer)
crt = ssl_sock_get_peer_certificate(ssl);
else
crt = SSL_get_certificate(ssl);
if (!crt)
goto out;
smp_trash = get_trash_chunk();
if (ssl_sock_crt2der(crt, smp_trash) <= 0)
goto out;
smp->flags = SMP_F_VOL_SESS;
smp->data.u.str = *smp_trash;
smp->data.type = SMP_T_BIN;
ret = 1;
out:
/* SSL_get_peer_certificate, it increase X509 * ref count */
if (cert_peer && crt)
X509_free(crt);
return ret;
}
/* binary, returns a chain certificate in a binary chunk (der/raw).
* The 5th keyword char is used to support only peer cert
*/
static int
smp_fetch_ssl_x_chain_der(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
int cert_peer = (kw[4] == 'c' || kw[4] == 's') ? 1 : 0;
int conn_server = (kw[4] == 's') ? 1 : 0;
struct buffer *smp_trash;
struct buffer *tmp_trash = NULL;
struct connection *conn;
STACK_OF(X509) *certs = NULL;
X509 *crt = NULL;
SSL *ssl;
int ret = 0;
int num_certs;
int i;
if (conn_server)
conn = smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
else
conn = objt_conn(smp->sess->origin);
if (!conn)
return 0;
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
if (conn->flags & CO_FL_WAIT_XPRT) {
smp->flags |= SMP_F_MAY_CHANGE;
return 0;
}
if (!cert_peer)
return 0;
certs = SSL_get_peer_cert_chain(ssl);
if (!certs)
return 0;
num_certs = sk_X509_num(certs);
if (!num_certs)
goto out;
smp_trash = get_trash_chunk();
tmp_trash = alloc_trash_chunk();
if (!tmp_trash)
goto out;
for (i = 0; i < num_certs; i++) {
crt = sk_X509_value(certs, i);
if (ssl_sock_crt2der(crt, tmp_trash) <= 0)
goto out;
chunk_cat(smp_trash, tmp_trash);
}
smp->flags = SMP_F_VOL_SESS;
smp->data.u.str = *smp_trash;
smp->data.type = SMP_T_BIN;
ret = 1;
out:
if (tmp_trash)
free_trash_chunk(tmp_trash);
return ret;
}
/* binary, returns serial of certificate in a binary chunk.
* The 5th keyword char is used to know if SSL_get_certificate or SSL_get_peer_certificate
* should be use.
*/
static int
smp_fetch_ssl_x_serial(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
int cert_peer = (kw[4] == 'c' || kw[4] == 's') ? 1 : 0;
int conn_server = (kw[4] == 's') ? 1 : 0;
X509 *crt = NULL;
int ret = 0;
struct buffer *smp_trash;
struct connection *conn;
SSL *ssl;
if (conn_server)
conn = smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
else
conn = objt_conn(smp->sess->origin);
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
if (conn->flags & CO_FL_WAIT_XPRT && !conn->err_code) {
smp->flags |= SMP_F_MAY_CHANGE;
return 0;
}
if (cert_peer)
crt = ssl_sock_get_peer_certificate(ssl);
else
crt = SSL_get_certificate(ssl);
if (!crt)
goto out;
smp_trash = get_trash_chunk();
if (ssl_sock_get_serial(crt, smp_trash) <= 0)
goto out;
smp->flags = SMP_F_VOL_SESS;
smp->data.u.str = *smp_trash;
smp->data.type = SMP_T_BIN;
ret = 1;
out:
/* SSL_get_peer_certificate, it increase X509 * ref count */
if (cert_peer && crt)
X509_free(crt);
return ret;
}
/* binary, returns the client certificate's SHA-1 fingerprint (SHA-1 hash of DER-encoded certificate) in a binary chunk.
* The 5th keyword char is used to know if SSL_get_certificate or SSL_get_peer_certificate
* should be use.
*/
static int
smp_fetch_ssl_x_sha1(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
int cert_peer = (kw[4] == 'c' || kw[4] == 's') ? 1 : 0;
int conn_server = (kw[4] == 's') ? 1 : 0;
X509 *crt = NULL;
const EVP_MD *digest;
int ret = 0;
unsigned int len = 0;
struct buffer *smp_trash;
struct connection *conn;
SSL *ssl;
if (conn_server)
conn = smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
else
conn = objt_conn(smp->sess->origin);
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
if (conn->flags & CO_FL_WAIT_XPRT && !conn->err_code) {
smp->flags |= SMP_F_MAY_CHANGE;
return 0;
}
if (cert_peer)
crt = ssl_sock_get_peer_certificate(ssl);
else
crt = SSL_get_certificate(ssl);
if (!crt)
goto out;
smp_trash = get_trash_chunk();
digest = EVP_sha1();
X509_digest(crt, digest, (unsigned char *) smp_trash->area, &len);
smp_trash->data = len;
smp->flags = SMP_F_VOL_SESS;
smp->data.u.str = *smp_trash;
smp->data.type = SMP_T_BIN;
ret = 1;
out:
/* SSL_get_peer_certificate, it increase X509 * ref count */
if (cert_peer && crt)
X509_free(crt);
return ret;
}
/* string, returns certificate's notafter date in ASN1_UTCTIME format.
* The 5th keyword char is used to know if SSL_get_certificate or SSL_get_peer_certificate
* should be use.
*/
static int
smp_fetch_ssl_x_notafter(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
int cert_peer = (kw[4] == 'c' || kw[4] == 's') ? 1 : 0;
int conn_server = (kw[4] == 's') ? 1 : 0;
X509 *crt = NULL;
int ret = 0;
struct buffer *smp_trash;
struct connection *conn;
SSL *ssl;
if (conn_server)
conn = smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
else
conn = objt_conn(smp->sess->origin);
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
if (conn->flags & CO_FL_WAIT_XPRT && !conn->err_code) {
smp->flags |= SMP_F_MAY_CHANGE;
return 0;
}
if (cert_peer)
crt = ssl_sock_get_peer_certificate(ssl);
else
crt = SSL_get_certificate(ssl);
if (!crt)
goto out;
smp_trash = get_trash_chunk();
if (ssl_sock_get_time(X509_getm_notAfter(crt), smp_trash) <= 0)
goto out;
smp->flags = SMP_F_VOL_SESS;
smp->data.u.str = *smp_trash;
smp->data.type = SMP_T_STR;
ret = 1;
out:
/* SSL_get_peer_certificate, it increase X509 * ref count */
if (cert_peer && crt)
X509_free(crt);
return ret;
}
/* string, returns a string of a formatted full dn \C=..\O=..\OU=.. \CN=.. of certificate's issuer
* The 5th keyword char is used to know if SSL_get_certificate or SSL_get_peer_certificate
* should be use.
*/
static int
smp_fetch_ssl_x_i_dn(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
int cert_peer = (kw[4] == 'c' || kw[4] == 's') ? 1 : 0;
int conn_server = (kw[4] == 's') ? 1 : 0;
X509 *crt = NULL;
X509_NAME *name;
int ret = 0;
struct buffer *smp_trash;
struct connection *conn;
SSL *ssl;
if (conn_server)
conn = smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
else
conn = objt_conn(smp->sess->origin);
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
if (conn->flags & CO_FL_WAIT_XPRT && !conn->err_code) {
smp->flags |= SMP_F_MAY_CHANGE;
return 0;
}
if (cert_peer)
crt = ssl_sock_get_peer_certificate(ssl);
else
crt = SSL_get_certificate(ssl);
if (!crt)
goto out;
name = X509_get_issuer_name(crt);
if (!name)
goto out;
smp_trash = get_trash_chunk();
if (args[0].type == ARGT_STR && args[0].data.str.data > 0) {
int pos = 1;
if (args[1].type == ARGT_SINT)
pos = args[1].data.sint;
if (ssl_sock_get_dn_entry(name, &args[0].data.str, pos, smp_trash) <= 0)
goto out;
}
else if (args[2].type == ARGT_STR && args[2].data.str.data > 0) {
if (ssl_sock_get_dn_formatted(name, &args[2].data.str, smp_trash) <= 0)
goto out;
}
else if (ssl_sock_get_dn_oneline(name, smp_trash) <= 0)
goto out;
smp->flags = SMP_F_VOL_SESS;
smp->data.type = SMP_T_STR;
smp->data.u.str = *smp_trash;
ret = 1;
out:
/* SSL_get_peer_certificate, it increase X509 * ref count */
if (cert_peer && crt)
X509_free(crt);
return ret;
}
/* string, returns notbefore date in ASN1_UTCTIME format.
* The 5th keyword char is used to know if SSL_get_certificate or SSL_get_peer_certificate
* should be use.
*/
static int
smp_fetch_ssl_x_notbefore(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
int cert_peer = (kw[4] == 'c' || kw[4] == 's') ? 1 : 0;
int conn_server = (kw[4] == 's') ? 1 : 0;
X509 *crt = NULL;
int ret = 0;
struct buffer *smp_trash;
struct connection *conn;
SSL *ssl;
if (conn_server)
conn = smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
else
conn = objt_conn(smp->sess->origin);
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
if (conn->flags & CO_FL_WAIT_XPRT && !conn->err_code) {
smp->flags |= SMP_F_MAY_CHANGE;
return 0;
}
if (cert_peer)
crt = ssl_sock_get_peer_certificate(ssl);
else
crt = SSL_get_certificate(ssl);
if (!crt)
goto out;
smp_trash = get_trash_chunk();
if (ssl_sock_get_time(X509_getm_notBefore(crt), smp_trash) <= 0)
goto out;
smp->flags = SMP_F_VOL_SESS;
smp->data.u.str = *smp_trash;
smp->data.type = SMP_T_STR;
ret = 1;
out:
/* SSL_get_peer_certificate, it increase X509 * ref count */
if (cert_peer && crt)
X509_free(crt);
return ret;
}
/* string, returns a string of a formatted full dn \C=..\O=..\OU=.. \CN=.. of certificate's subject
* The 5th keyword char is used to know if SSL_get_certificate or SSL_get_peer_certificate
* should be use.
*/
static int
smp_fetch_ssl_x_s_dn(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
int cert_peer = (kw[4] == 'c' || kw[4] == 's') ? 1 : 0;
int conn_server = (kw[4] == 's') ? 1 : 0;
X509 *crt = NULL;
X509_NAME *name;
int ret = 0;
struct buffer *smp_trash;
struct connection *conn;
SSL *ssl;
if (conn_server)
conn = smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
else
conn = objt_conn(smp->sess->origin);
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
if (conn->flags & CO_FL_WAIT_XPRT && !conn->err_code) {
smp->flags |= SMP_F_MAY_CHANGE;
return 0;
}
if (cert_peer)
crt = ssl_sock_get_peer_certificate(ssl);
else
crt = SSL_get_certificate(ssl);
if (!crt)
goto out;
name = X509_get_subject_name(crt);
if (!name)
goto out;
smp_trash = get_trash_chunk();
if (args[0].type == ARGT_STR && args[0].data.str.data > 0) {
int pos = 1;
if (args[1].type == ARGT_SINT)
pos = args[1].data.sint;
if (ssl_sock_get_dn_entry(name, &args[0].data.str, pos, smp_trash) <= 0)
goto out;
}
else if (args[2].type == ARGT_STR && args[2].data.str.data > 0) {
if (ssl_sock_get_dn_formatted(name, &args[2].data.str, smp_trash) <= 0)
goto out;
}
else if (ssl_sock_get_dn_oneline(name, smp_trash) <= 0)
goto out;
smp->flags = SMP_F_VOL_SESS;
smp->data.type = SMP_T_STR;
smp->data.u.str = *smp_trash;
ret = 1;
out:
/* SSL_get_peer_certificate, it increase X509 * ref count */
if (cert_peer && crt)
X509_free(crt);
return ret;
}
/* integer, returns true if current session use a client certificate */
static int
smp_fetch_ssl_c_used(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
X509 *crt;
struct connection *conn;
SSL *ssl;
conn = objt_conn(smp->sess->origin);
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
if (conn->flags & CO_FL_WAIT_XPRT && !conn->err_code) {
smp->flags |= SMP_F_MAY_CHANGE;
return 0;
}
/* SSL_get_peer_certificate returns a ptr on allocated X509 struct */
crt = ssl_sock_get_peer_certificate(ssl);
if (crt) {
X509_free(crt);
}
smp->flags = SMP_F_VOL_SESS;
smp->data.type = SMP_T_BOOL;
smp->data.u.sint = (crt != NULL);
return 1;
}
/* integer, returns the certificate version
* The 5th keyword char is used to know if SSL_get_certificate or SSL_get_peer_certificate
* should be use.
*/
static int
smp_fetch_ssl_x_version(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
int cert_peer = (kw[4] == 'c' || kw[4] == 's') ? 1 : 0;
int conn_server = (kw[4] == 's') ? 1 : 0;
X509 *crt;
struct connection *conn;
SSL *ssl;
if (conn_server)
conn = smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
else
conn = objt_conn(smp->sess->origin);
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
if (conn->flags & CO_FL_WAIT_XPRT && !conn->err_code) {
smp->flags |= SMP_F_MAY_CHANGE;
return 0;
}
if (cert_peer)
crt = ssl_sock_get_peer_certificate(ssl);
else
crt = SSL_get_certificate(ssl);
if (!crt)
return 0;
smp->flags = SMP_F_VOL_SESS;
smp->data.u.sint = (unsigned int)(1 + X509_get_version(crt));
/* SSL_get_peer_certificate increase X509 * ref count */
if (cert_peer)
X509_free(crt);
smp->data.type = SMP_T_SINT;
return 1;
}
/* string, returns the certificate's signature algorithm.
* The 5th keyword char is used to know if SSL_get_certificate or SSL_get_peer_certificate
* should be use.
*/
static int
smp_fetch_ssl_x_sig_alg(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
int cert_peer = (kw[4] == 'c' || kw[4] == 's') ? 1 : 0;
int conn_server = (kw[4] == 's') ? 1 : 0;
X509 *crt;
__OPENSSL_110_CONST__ ASN1_OBJECT *algorithm;
int nid;
struct connection *conn;
SSL *ssl;
if (conn_server)
conn = smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
else
conn = objt_conn(smp->sess->origin);
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
if (conn->flags & CO_FL_WAIT_XPRT && !conn->err_code) {
smp->flags |= SMP_F_MAY_CHANGE;
return 0;
}
if (cert_peer)
crt = ssl_sock_get_peer_certificate(ssl);
else
crt = SSL_get_certificate(ssl);
if (!crt)
return 0;
X509_ALGOR_get0(&algorithm, NULL, NULL, X509_get0_tbs_sigalg(crt));
nid = OBJ_obj2nid(algorithm);
smp->data.u.str.area = (char *)OBJ_nid2sn(nid);
if (!smp->data.u.str.area) {
/* SSL_get_peer_certificate increase X509 * ref count */
if (cert_peer)
X509_free(crt);
return 0;
}
smp->data.type = SMP_T_STR;
smp->flags |= SMP_F_VOL_SESS | SMP_F_CONST;
smp->data.u.str.data = strlen(smp->data.u.str.area);
/* SSL_get_peer_certificate increase X509 * ref count */
if (cert_peer)
X509_free(crt);
return 1;
}
/* string, returns the certificate's key algorithm.
* The 5th keyword char is used to know if SSL_get_certificate or SSL_get_peer_certificate
* should be use.
*/
static int
smp_fetch_ssl_x_key_alg(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
int cert_peer = (kw[4] == 'c' || kw[4] == 's') ? 1 : 0;
int conn_server = (kw[4] == 's') ? 1 : 0;
X509 *crt;
ASN1_OBJECT *algorithm;
int nid;
struct connection *conn;
SSL *ssl;
if (conn_server)
conn = smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
else
conn = objt_conn(smp->sess->origin);
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
if (conn->flags & CO_FL_WAIT_XPRT && !conn->err_code) {
smp->flags |= SMP_F_MAY_CHANGE;
return 0;
}
if (cert_peer)
crt = ssl_sock_get_peer_certificate(ssl);
else
crt = SSL_get_certificate(ssl);
if (!crt)
return 0;
X509_PUBKEY_get0_param(&algorithm, NULL, NULL, NULL, X509_get_X509_PUBKEY(crt));
nid = OBJ_obj2nid(algorithm);
smp->data.u.str.area = (char *)OBJ_nid2sn(nid);
if (!smp->data.u.str.area) {
/* SSL_get_peer_certificate increase X509 * ref count */
if (cert_peer)
X509_free(crt);
return 0;
}
smp->data.type = SMP_T_STR;
smp->flags |= SMP_F_VOL_SESS | SMP_F_CONST;
smp->data.u.str.data = strlen(smp->data.u.str.area);
if (cert_peer)
X509_free(crt);
return 1;
}
/* boolean, returns true if front conn. transport layer is SSL.
* This function is also usable on backend conn if the fetch keyword 5th
* char is 'b'.
*/
static int
smp_fetch_ssl_fc(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
struct connection *conn;
if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
conn = (kw[4] == 'b') ? cs_conn(__objt_check(smp->sess->origin)->cs) : NULL;
else
conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
smp->data.type = SMP_T_BOOL;
smp->data.u.sint = (conn && conn->xprt == &ssl_sock);
return 1;
}
/* boolean, returns true if client present a SNI */
static int
smp_fetch_ssl_fc_has_sni(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
struct connection *conn = objt_conn(smp->sess->origin);
SSL *ssl = ssl_sock_get_ssl_object(conn);
smp->data.type = SMP_T_BOOL;
smp->data.u.sint = ssl && SSL_get_servername(ssl, TLSEXT_NAMETYPE_host_name) != NULL;
return 1;
#else
return 0;
#endif
}
/* boolean, returns true if client session has been resumed.
* This function is also usable on backend conn if the fetch keyword 5th
* char is 'b'.
*/
static int
smp_fetch_ssl_fc_is_resumed(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
struct connection *conn;
SSL *ssl;
if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
conn = (kw[4] == 'b') ? cs_conn(__objt_check(smp->sess->origin)->cs) : NULL;
else
conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
ssl = ssl_sock_get_ssl_object(conn);
smp->data.type = SMP_T_BOOL;
smp->data.u.sint = ssl && SSL_session_reused(ssl);
return 1;
}
/* string, returns the used cipher if front conn. transport layer is SSL.
* This function is also usable on backend conn if the fetch keyword 5th
* char is 'b'.
*/
static int
smp_fetch_ssl_fc_cipher(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
struct connection *conn;
SSL *ssl;
if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
conn = (kw[4] == 'b') ? cs_conn(__objt_check(smp->sess->origin)->cs) : NULL;
else
conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
smp->flags = 0;
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
smp->data.u.str.area = (char *)SSL_get_cipher_name(ssl);
if (!smp->data.u.str.area)
return 0;
smp->data.type = SMP_T_STR;
smp->flags |= SMP_F_VOL_SESS | SMP_F_CONST;
smp->data.u.str.data = strlen(smp->data.u.str.area);
return 1;
}
/* integer, returns the algoritm's keysize if front conn. transport layer
* is SSL.
* This function is also usable on backend conn if the fetch keyword 5th
* char is 'b'.
*/
static int
smp_fetch_ssl_fc_alg_keysize(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
struct connection *conn;
SSL *ssl;
int sint;
if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
conn = (kw[4] == 'b') ? cs_conn(__objt_check(smp->sess->origin)->cs) : NULL;
else
conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
smp->flags = 0;
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
if (!SSL_get_cipher_bits(ssl, &sint))
return 0;
smp->flags = SMP_F_VOL_SESS;
smp->data.u.sint = sint;
smp->data.type = SMP_T_SINT;
return 1;
}
/* integer, returns the used keysize if front conn. transport layer is SSL.
* This function is also usable on backend conn if the fetch keyword 5th
* char is 'b'.
*/
static int
smp_fetch_ssl_fc_use_keysize(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
struct connection *conn;
SSL *ssl;
if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
conn = (kw[4] == 'b') ? cs_conn(__objt_check(smp->sess->origin)->cs) : NULL;
else
conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
smp->flags = 0;
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
smp->data.u.sint = (unsigned int)SSL_get_cipher_bits(ssl, NULL);
if (!smp->data.u.sint)
return 0;
smp->flags = SMP_F_VOL_SESS;
smp->data.type = SMP_T_SINT;
return 1;
}
#if defined(OPENSSL_NPN_NEGOTIATED) && !defined(OPENSSL_NO_NEXTPROTONEG)
static int
smp_fetch_ssl_fc_npn(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
struct connection *conn;
SSL *ssl;
unsigned int len = 0;
smp->flags = SMP_F_CONST;
smp->data.type = SMP_T_STR;
if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
conn = (kw[4] == 'b') ? cs_conn(__objt_check(smp->sess->origin)->cs) : NULL;
else
conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
smp->flags = SMP_F_VOL_SESS;
smp->data.u.str.area = NULL;
SSL_get0_next_proto_negotiated(ssl,
(const unsigned char **)&smp->data.u.str.area,
&len);
if (!smp->data.u.str.area)
return 0;
smp->data.u.str.data = len;
return 1;
}
#endif
#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
static int
smp_fetch_ssl_fc_alpn(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
struct connection *conn;
SSL *ssl;
unsigned int len = 0;
smp->flags = SMP_F_VOL_SESS | SMP_F_CONST;
smp->data.type = SMP_T_STR;
if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
conn = (kw[4] == 'b') ? cs_conn(__objt_check(smp->sess->origin)->cs) : NULL;
else
conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
smp->data.u.str.area = NULL;
SSL_get0_alpn_selected(ssl,
(const unsigned char **)&smp->data.u.str.area,
&len);
if (!smp->data.u.str.area)
return 0;
smp->data.u.str.data = len;
return 1;
}
#endif
/* string, returns the used protocol if front conn. transport layer is SSL.
* This function is also usable on backend conn if the fetch keyword 5th
* char is 'b'.
*/
static int
smp_fetch_ssl_fc_protocol(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
struct connection *conn;
SSL *ssl;
if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
conn = (kw[4] == 'b') ? cs_conn(__objt_check(smp->sess->origin)->cs) : NULL;
else
conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
smp->flags = 0;
ssl = ssl_sock_get_ssl_object(conn);
if (!ssl)
return 0;
smp->data.u.str.area = (char *)SSL_get_version(ssl);
if (!smp->data.u.str.area)
return 0;
smp->data.type = SMP_T_STR;
smp->flags = SMP_F_VOL_SESS | SMP_F_CONST;
smp->data.u.str.data = strlen(smp->data.u.str.area);
return 1;
}
/* binary, returns the SSL stream id if front conn. transport layer is SSL.
* This function is also usable on backend conn if the fetch keyword 5th
* char is 'b'.
*/
#if HA_OPENSSL_VERSION_NUMBER > 0x0090800fL
static int
smp_fetch_ssl_fc_session_id(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
struct connection *conn;