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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:35:11 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:35:11 +0000
commitda76459dc21b5af2449af2d36eb95226cb186ce2 (patch)
tree542ebb3c1e796fac2742495b8437331727bbbfa0 /src/ssl_sample.c
parentInitial commit. (diff)
downloadhaproxy-upstream/2.6.12.tar.xz
haproxy-upstream/2.6.12.zip
Adding upstream version 2.6.12.upstream/2.6.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/ssl_sample.c')
-rw-r--r--src/ssl_sample.c2225
1 files changed, 2225 insertions, 0 deletions
diff --git a/src/ssl_sample.c b/src/ssl_sample.c
new file mode 100644
index 0000000..8b367a1
--- /dev/null
+++ b/src/ssl_sample.c
@@ -0,0 +1,2225 @@
+/*
+ * 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 <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/base64.h>
+#include <haproxy/buf-t.h>
+#include <haproxy/connection.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/stconn.h>
+#include <haproxy/tools.h>
+#include <haproxy/vars.h>
+
+
+/***** Below are some sample fetching functions for ACL/patterns *****/
+
+#if defined(HAVE_CRYPTO_memcmp)
+/* Compares bytestring with a variable containing a bytestring. Return value
+ * is `true` if both bytestrings are bytewise identical and `false` otherwise.
+ *
+ * Comparison will be performed in constant time if both bytestrings are of
+ * the same length. If the lengths differ execution time will not be constant.
+ */
+static int sample_conv_secure_memcmp(const struct arg *arg_p, struct sample *smp, void *private)
+{
+ struct sample tmp;
+ int result;
+
+ smp_set_owner(&tmp, smp->px, smp->sess, smp->strm, smp->opt);
+ if (arg_p[0].type != ARGT_VAR)
+ return 0;
+
+ if (!sample_conv_var2smp(&arg_p[0].data.var, &tmp, SMP_T_BIN))
+ return 0;
+
+ if (smp->data.u.str.data != tmp.data.u.str.data) {
+ smp->data.u.sint = 0;
+ smp->data.type = SMP_T_BOOL;
+ return 1;
+ }
+
+ /* The following comparison is performed in constant time. */
+ result = CRYPTO_memcmp(smp->data.u.str.area, tmp.data.u.str.area, smp->data.u.str.data);
+
+ smp->data.u.sint = result == 0;
+ smp->data.type = SMP_T_BOOL;
+ return 1;
+}
+
+/* This function checks the "secure_memcmp" converter's arguments and extracts the
+ * variable name and its scope.
+ */
+static int smp_check_secure_memcmp(struct arg *args, struct sample_conv *conv,
+ const char *file, int line, char **err)
+{
+ if (!args[0].data.str.data) {
+ memprintf(err, "missing variable name");
+ return 0;
+ }
+
+ /* Try to decode a variable. */
+ if (vars_check_arg(&args[0], NULL))
+ return 1;
+
+ memprintf(err, "failed to register variable name '%s'",
+ args[0].data.str.area);
+ return 0;
+}
+#endif // HAVE_secure_memcmp()
+
+static int smp_check_sha2(struct arg *args, struct sample_conv *conv,
+ const char *file, int line, char **err)
+{
+ if (args[0].type == ARGT_STOP)
+ return 1;
+ if (args[0].type != ARGT_SINT) {
+ memprintf(err, "Invalid type '%s'", arg_type_names[args[0].type]);
+ return 0;
+ }
+
+ switch (args[0].data.sint) {
+ case 224:
+ case 256:
+ case 384:
+ case 512:
+ /* this is okay */
+ return 1;
+ default:
+ memprintf(err, "Unsupported number of bits: '%lld'", args[0].data.sint);
+ return 0;
+ }
+}
+
+static int sample_conv_sha2(const struct arg *arg_p, struct sample *smp, void *private)
+{
+ struct buffer *trash = get_trash_chunk();
+ int bits = 256;
+ EVP_MD_CTX *mdctx;
+ const EVP_MD *evp = NULL;
+ unsigned int digest_length = 0;
+ if (arg_p->data.sint)
+ bits = arg_p->data.sint;
+
+ switch (bits) {
+ case 224:
+ evp = EVP_sha224();
+ break;
+ case 256:
+ evp = EVP_sha256();
+ break;
+ case 384:
+ evp = EVP_sha384();
+ break;
+ case 512:
+ evp = EVP_sha512();
+ break;
+ default:
+ return 0;
+ }
+
+ mdctx = EVP_MD_CTX_new();
+ if (!mdctx)
+ return 0;
+ EVP_DigestInit_ex(mdctx, evp, NULL);
+ EVP_DigestUpdate(mdctx, smp->data.u.str.area, smp->data.u.str.data);
+ EVP_DigestFinal_ex(mdctx, (unsigned char*)trash->area, &digest_length);
+ trash->data = digest_length;
+
+ EVP_MD_CTX_free(mdctx);
+
+ smp->data.u.str = *trash;
+ smp->data.type = SMP_T_BIN;
+ smp->flags &= ~SMP_F_CONST;
+ return 1;
+}
+
+/* This function checks an <arg> and fills it with a variable type if the
+ * <arg> string contains a valid variable name. If failed, the function
+ * tries to perform a base64 decode operation on the same string, and
+ * fills the <arg> with the decoded content.
+ *
+ * Validation is skipped if the <arg> string is empty.
+ *
+ * This function returns 0 if the variable lookup fails and the specified
+ * <arg> string is not a valid base64 encoded string, as well if
+ * unexpected argument type is specified or memory allocation error
+ * occurs. Otherwise it returns 1.
+ */
+static inline int sample_check_arg_base64(struct arg *arg, char **err)
+{
+ char *dec = NULL;
+ int dec_size;
+
+ if (arg->type != ARGT_STR) {
+ memprintf(err, "unexpected argument type");
+ return 0;
+ }
+
+ if (arg->data.str.data == 0) /* empty */
+ return 1;
+
+ if (vars_check_arg(arg, NULL))
+ return 1;
+
+ if (arg->data.str.data % 4) {
+ memprintf(err, "argument needs to be base64 encoded, and "
+ "can either be a string or a variable");
+ return 0;
+ }
+
+ dec_size = (arg->data.str.data / 4 * 3)
+ - (arg->data.str.area[arg->data.str.data-1] == '=' ? 1 : 0)
+ - (arg->data.str.area[arg->data.str.data-2] == '=' ? 1 : 0);
+
+ if ((dec = malloc(dec_size)) == NULL) {
+ memprintf(err, "memory allocation error");
+ return 0;
+ }
+
+ dec_size = base64dec(arg->data.str.area, arg->data.str.data, dec, dec_size);
+ if (dec_size < 0) {
+ memprintf(err, "argument needs to be base64 encoded, and "
+ "can either be a string or a variable");
+ free(dec);
+ return 0;
+ }
+
+ /* base64 decoded */
+ chunk_destroy(&arg->data.str);
+ arg->data.str.area = dec;
+ arg->data.str.data = dec_size;
+ return 1;
+}
+
+#ifdef EVP_CIPH_GCM_MODE
+static int check_aes_gcm(struct arg *args, struct sample_conv *conv,
+ const char *file, int line, char **err)
+{
+ switch(args[0].data.sint) {
+ case 128:
+ case 192:
+ case 256:
+ break;
+ default:
+ memprintf(err, "key size must be 128, 192 or 256 (bits).");
+ return 0;
+ }
+
+ /* Try to decode variables. */
+ if (!sample_check_arg_base64(&args[1], err)) {
+ memprintf(err, "failed to parse nonce : %s", *err);
+ return 0;
+ }
+ if (!sample_check_arg_base64(&args[2], err)) {
+ memprintf(err, "failed to parse key : %s", *err);
+ return 0;
+ }
+ if (!sample_check_arg_base64(&args[3], err)) {
+ memprintf(err, "failed to parse aead_tag : %s", *err);
+ return 0;
+ }
+
+ return 1;
+}
+
+/* Arguments: AES size in bits, nonce, key, tag. The last three arguments are base64 encoded */
+static int sample_conv_aes_gcm_dec(const struct arg *arg_p, struct sample *smp, void *private)
+{
+ struct sample nonce, key, aead_tag;
+ struct buffer *smp_trash = NULL, *smp_trash_alloc = NULL;
+ EVP_CIPHER_CTX *ctx;
+ int dec_size, ret;
+
+ smp_trash_alloc = alloc_trash_chunk();
+ if (!smp_trash_alloc)
+ return 0;
+
+ /* smp copy */
+ smp_trash_alloc->data = smp->data.u.str.data;
+ if (unlikely(smp_trash_alloc->data > smp_trash_alloc->size))
+ smp_trash_alloc->data = smp_trash_alloc->size;
+ memcpy(smp_trash_alloc->area, smp->data.u.str.area, smp_trash_alloc->data);
+
+ ctx = EVP_CIPHER_CTX_new();
+
+ if (!ctx)
+ goto err;
+
+ smp_trash = alloc_trash_chunk();
+ if (!smp_trash)
+ goto err;
+
+ smp_set_owner(&nonce, smp->px, smp->sess, smp->strm, smp->opt);
+ if (!sample_conv_var2smp_str(&arg_p[1], &nonce))
+ goto err;
+
+ if (arg_p[1].type == ARGT_VAR) {
+ dec_size = base64dec(nonce.data.u.str.area, nonce.data.u.str.data, smp_trash->area, smp_trash->size);
+ if (dec_size < 0)
+ goto err;
+ smp_trash->data = dec_size;
+ nonce.data.u.str = *smp_trash;
+ }
+
+ /* Set cipher type and mode */
+ switch(arg_p[0].data.sint) {
+ case 128:
+ EVP_DecryptInit_ex(ctx, EVP_aes_128_gcm(), NULL, NULL, NULL);
+ break;
+ case 192:
+ EVP_DecryptInit_ex(ctx, EVP_aes_192_gcm(), NULL, NULL, NULL);
+ break;
+ case 256:
+ EVP_DecryptInit_ex(ctx, EVP_aes_256_gcm(), NULL, NULL, NULL);
+ break;
+ }
+
+ EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_IVLEN, nonce.data.u.str.data, NULL);
+
+ /* Initialise IV */
+ if(!EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, (unsigned char *) nonce.data.u.str.area))
+ goto err;
+
+ smp_set_owner(&key, smp->px, smp->sess, smp->strm, smp->opt);
+ if (!sample_conv_var2smp_str(&arg_p[2], &key))
+ goto err;
+
+ if (arg_p[2].type == ARGT_VAR) {
+ dec_size = base64dec(key.data.u.str.area, key.data.u.str.data, smp_trash->area, smp_trash->size);
+ if (dec_size < 0)
+ goto err;
+ smp_trash->data = dec_size;
+ key.data.u.str = *smp_trash;
+ }
+
+ /* Initialise key */
+ if (!EVP_DecryptInit_ex(ctx, NULL, NULL, (unsigned char *) key.data.u.str.area, NULL))
+ goto err;
+
+ if (!EVP_DecryptUpdate(ctx, (unsigned char *) smp_trash->area, (int *) &smp_trash->data,
+ (unsigned char *) smp_trash_alloc->area, (int) smp_trash_alloc->data))
+ goto err;
+
+ smp_set_owner(&aead_tag, smp->px, smp->sess, smp->strm, smp->opt);
+ if (!sample_conv_var2smp_str(&arg_p[3], &aead_tag))
+ goto err;
+
+ if (arg_p[3].type == ARGT_VAR) {
+ dec_size = base64dec(aead_tag.data.u.str.area, aead_tag.data.u.str.data, smp_trash_alloc->area, smp_trash_alloc->size);
+ if (dec_size < 0)
+ goto err;
+ smp_trash_alloc->data = dec_size;
+ aead_tag.data.u.str = *smp_trash_alloc;
+ }
+
+ dec_size = smp_trash->data;
+
+ EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG, aead_tag.data.u.str.data, (void *) aead_tag.data.u.str.area);
+ ret = EVP_DecryptFinal_ex(ctx, (unsigned char *) smp_trash->area + smp_trash->data, (int *) &smp_trash->data);
+
+ if (ret <= 0)
+ goto err;
+
+ smp->data.u.str.data = dec_size + smp_trash->data;
+ smp->data.u.str.area = smp_trash->area;
+ smp->data.type = SMP_T_BIN;
+ smp_dup(smp);
+ free_trash_chunk(smp_trash_alloc);
+ free_trash_chunk(smp_trash);
+ return 1;
+
+err:
+ free_trash_chunk(smp_trash_alloc);
+ free_trash_chunk(smp_trash);
+ return 0;
+}
+#endif
+
+static int check_crypto_digest(struct arg *args, struct sample_conv *conv,
+ const char *file, int line, char **err)
+{
+ const EVP_MD *evp = EVP_get_digestbyname(args[0].data.str.area);
+
+ if (evp)
+ return 1;
+
+ memprintf(err, "algorithm must be a valid OpenSSL message digest name.");
+ return 0;
+}
+
+static int sample_conv_crypto_digest(const struct arg *args, struct sample *smp, void *private)
+{
+ struct buffer *trash = get_trash_chunk();
+ unsigned char *md = (unsigned char*) trash->area;
+ unsigned int md_len = trash->size;
+ EVP_MD_CTX *ctx = EVP_MD_CTX_new();
+ const EVP_MD *evp = EVP_get_digestbyname(args[0].data.str.area);
+
+ if (!ctx)
+ return 0;
+
+ if (!EVP_DigestInit_ex(ctx, evp, NULL) ||
+ !EVP_DigestUpdate(ctx, smp->data.u.str.area, smp->data.u.str.data) ||
+ !EVP_DigestFinal_ex(ctx, md, &md_len)) {
+ EVP_MD_CTX_free(ctx);
+ return 0;
+ }
+
+ EVP_MD_CTX_free(ctx);
+
+ trash->data = md_len;
+ smp->data.u.str = *trash;
+ smp->data.type = SMP_T_BIN;
+ smp->flags &= ~SMP_F_CONST;
+ return 1;
+}
+
+static int check_crypto_hmac(struct arg *args, struct sample_conv *conv,
+ const char *file, int line, char **err)
+{
+ if (!check_crypto_digest(args, conv, file, line, err))
+ return 0;
+
+ if (!sample_check_arg_base64(&args[1], err)) {
+ memprintf(err, "failed to parse key : %s", *err);
+ return 0;
+ }
+
+ return 1;
+}
+
+static int sample_conv_crypto_hmac(const struct arg *args, struct sample *smp, void *private)
+{
+ struct sample key;
+ struct buffer *trash = NULL, *key_trash = NULL;
+ unsigned char *md;
+ unsigned int md_len;
+ const EVP_MD *evp = EVP_get_digestbyname(args[0].data.str.area);
+ int dec_size;
+
+ smp_set_owner(&key, smp->px, smp->sess, smp->strm, smp->opt);
+ if (!sample_conv_var2smp_str(&args[1], &key))
+ return 0;
+
+ if (args[1].type == ARGT_VAR) {
+ key_trash = alloc_trash_chunk();
+ if (!key_trash)
+ goto err;
+
+ dec_size = base64dec(key.data.u.str.area, key.data.u.str.data, key_trash->area, key_trash->size);
+ if (dec_size < 0)
+ goto err;
+ key_trash->data = dec_size;
+ key.data.u.str = *key_trash;
+ }
+
+ trash = alloc_trash_chunk();
+ if (!trash)
+ goto err;
+
+ md = (unsigned char*) trash->area;
+ md_len = trash->size;
+ if (!HMAC(evp, key.data.u.str.area, key.data.u.str.data, (const unsigned char*) smp->data.u.str.area,
+ smp->data.u.str.data, md, &md_len))
+ goto err;
+
+ free_trash_chunk(key_trash);
+
+ trash->data = md_len;
+ smp->data.u.str = *trash;
+ smp->data.type = SMP_T_BIN;
+ smp_dup(smp);
+ free_trash_chunk(trash);
+ return 1;
+
+err:
+ free_trash_chunk(key_trash);
+ free_trash_chunk(trash);
+ return 0;
+}
+
+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 = objt_conn(smp->sess->origin);
+ struct ssl_sock_ctx *ctx = conn_get_ssl_sock_ctx(conn);
+
+ if (!ctx)
+ return 0;
+
+ 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 ? sc_conn(smp->strm->scb) : 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 ? sc_conn(smp->strm->scb) : 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 ? sc_conn(smp->strm->scb) : 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 ? sc_conn(smp->strm->scb) : 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 ? sc_conn(smp->strm->scb) : 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 ? sc_conn(smp->strm->scb) : 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 ? sc_conn(smp->strm->scb) : 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 ? sc_conn(smp->strm->scb) : 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 ? sc_conn(smp->strm->scb) : 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 ? sc_conn(smp->strm->scb) : 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 ? sc_conn(smp->strm->scb) : 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') ? sc_conn(__objt_check(smp->sess->origin)->sc) : NULL;
+ else
+ conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
+ smp->strm ? sc_conn(smp->strm->scb) : NULL;
+
+ smp->data.type = SMP_T_BOOL;
+ smp->data.u.sint = conn_is_ssl(conn);
+ 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') ? sc_conn(__objt_check(smp->sess->origin)->sc) : NULL;
+ else
+ conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
+ smp->strm ? sc_conn(smp->strm->scb) : 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') ? sc_conn(__objt_check(smp->sess->origin)->sc) : NULL;
+ else
+ conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
+ smp->strm ? sc_conn(smp->strm->scb) : 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') ? sc_conn(__objt_check(smp->sess->origin)->sc) : NULL;
+ else
+ conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
+ smp->strm ? sc_conn(smp->strm->scb) : 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') ? sc_conn(__objt_check(smp->sess->origin)->sc) : NULL;
+ else
+ conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
+ smp->strm ? sc_conn(smp->strm->scb) : 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') ? sc_conn(__objt_check(smp->sess->origin)->sc) : NULL;
+ else
+ conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
+ smp->strm ? sc_conn(smp->strm->scb) : 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') ? sc_conn(__objt_check(smp->sess->origin)->sc) : NULL;
+ else
+ conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
+ smp->strm ? sc_conn(smp->strm->scb) : 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') ? sc_conn(__objt_check(smp->sess->origin)->sc) : NULL;
+ else
+ conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
+ smp->strm ? sc_conn(smp->strm->scb) : 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;
+ SSL_SESSION *ssl_sess;
+ SSL *ssl;
+ unsigned int len = 0;
+
+ smp->flags = SMP_F_VOL_SESS | SMP_F_CONST;
+ smp->data.type = SMP_T_BIN;
+
+ if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
+ conn = (kw[4] == 'b') ? sc_conn(__objt_check(smp->sess->origin)->sc) : NULL;
+ else
+ conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
+ smp->strm ? sc_conn(smp->strm->scb) : NULL;
+
+ ssl = ssl_sock_get_ssl_object(conn);
+ if (!ssl)
+ return 0;
+
+ ssl_sess = SSL_get_session(ssl);
+ if (!ssl_sess)
+ return 0;
+
+ smp->data.u.str.area = (char *)SSL_SESSION_get_id(ssl_sess, &len);
+ if (!smp->data.u.str.area || !len)
+ return 0;
+
+ smp->data.u.str.data = len;
+ return 1;
+}
+#endif
+
+
+#ifdef HAVE_SSL_EXTRACT_RANDOM
+static int
+smp_fetch_ssl_fc_random(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+ struct connection *conn;
+ struct buffer *data;
+ SSL *ssl;
+
+ if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
+ conn = (kw[4] == 'b') ? sc_conn(__objt_check(smp->sess->origin)->sc) : NULL;
+ else
+ conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
+ smp->strm ? sc_conn(smp->strm->scb) : NULL;
+
+ ssl = ssl_sock_get_ssl_object(conn);
+ if (!ssl)
+ return 0;
+
+ data = get_trash_chunk();
+ if (kw[7] == 'c')
+ data->data = SSL_get_client_random(ssl,
+ (unsigned char *) data->area,
+ data->size);
+ else
+ data->data = SSL_get_server_random(ssl,
+ (unsigned char *) data->area,
+ data->size);
+ if (!data->data)
+ return 0;
+
+ smp->flags = SMP_F_VOL_TEST;
+ smp->data.type = SMP_T_BIN;
+ smp->data.u.str = *data;
+
+ return 1;
+}
+
+static int
+smp_fetch_ssl_fc_session_key(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+ struct connection *conn;
+ SSL_SESSION *ssl_sess;
+ struct buffer *data;
+ SSL *ssl;
+
+ if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
+ conn = (kw[4] == 'b') ? sc_conn(__objt_check(smp->sess->origin)->sc) : NULL;
+ else
+ conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
+ smp->strm ? sc_conn(smp->strm->scb) : NULL;
+
+ ssl = ssl_sock_get_ssl_object(conn);
+ if (!ssl)
+ return 0;
+
+ ssl_sess = SSL_get_session(ssl);
+ if (!ssl_sess)
+ return 0;
+
+ data = get_trash_chunk();
+ data->data = SSL_SESSION_get_master_key(ssl_sess,
+ (unsigned char *) data->area,
+ data->size);
+ if (!data->data)
+ return 0;
+
+ smp->flags = SMP_F_VOL_SESS;
+ smp->data.type = SMP_T_BIN;
+ smp->data.u.str = *data;
+
+ return 1;
+}
+#endif
+
+static int
+smp_fetch_ssl_fc_sni(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
+ struct connection *conn;
+ SSL *ssl;
+
+ smp->flags = SMP_F_VOL_SESS | SMP_F_CONST;
+ smp->data.type = SMP_T_STR;
+
+ conn = objt_conn(smp->sess->origin);
+ ssl = ssl_sock_get_ssl_object(conn);
+ if (!ssl)
+ return 0;
+
+ smp->data.u.str.area = (char *)SSL_get_servername(ssl, TLSEXT_NAMETYPE_host_name);
+ if (!smp->data.u.str.area) {
+ /* We might have stored the SNI ourselves, look for it in the
+ * context's ex_data.
+ */
+ smp->data.u.str.area = SSL_get_ex_data(ssl, ssl_client_sni_index);
+
+ if (!smp->data.u.str.area)
+ return 0;
+ }
+
+ smp->data.u.str.data = strlen(smp->data.u.str.area);
+
+ return 1;
+#else
+ /* SNI not supported */
+ return 0;
+#endif
+}
+
+/* binary, returns tls client hello cipher list.
+ * Arguments: filter_option (0,1)
+ */
+static int
+smp_fetch_ssl_fc_cl_bin(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+ struct buffer *smp_trash;
+ struct connection *conn;
+ struct ssl_capture *capture;
+ SSL *ssl;
+
+ conn = objt_conn(smp->sess->origin);
+ ssl = ssl_sock_get_ssl_object(conn);
+ if (!ssl)
+ return 0;
+
+ capture = SSL_get_ex_data(ssl, ssl_capture_ptr_index);
+ if (!capture)
+ return 0;
+
+ if (args[0].data.sint) {
+ smp_trash = get_trash_chunk();
+ exclude_tls_grease(capture->data + capture->ciphersuite_offset, capture->ciphersuite_len, smp_trash);
+ smp->data.u.str.area = smp_trash->area;
+ smp->data.u.str.data = smp_trash->data;
+ smp->flags = SMP_F_VOL_SESS;
+ }
+ else {
+ smp->data.u.str.area = capture->data + capture->ciphersuite_offset;
+ smp->data.u.str.data = capture->ciphersuite_len;
+ smp->flags = SMP_F_VOL_TEST | SMP_F_CONST;
+ }
+
+ smp->data.type = SMP_T_BIN;
+ return 1;
+}
+
+/* binary, returns tls client hello cipher list as hexadecimal string.
+ * Arguments: filter_option (0,1)
+ */
+static int
+smp_fetch_ssl_fc_cl_hex(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+ struct buffer *data;
+
+ if (!smp_fetch_ssl_fc_cl_bin(args, smp, kw, private))
+ return 0;
+
+ data = get_trash_chunk();
+ dump_binary(data, smp->data.u.str.area, smp->data.u.str.data);
+ smp->flags = SMP_F_VOL_SESS;
+ smp->data.type = SMP_T_BIN;
+ smp->data.u.str = *data;
+ return 1;
+}
+
+/* integer, returns xxh64 hash of tls client hello cipher list. */
+static int
+smp_fetch_ssl_fc_cl_xxh64(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+ struct connection *conn;
+ struct ssl_capture *capture;
+ SSL *ssl;
+
+ conn = objt_conn(smp->sess->origin);
+ ssl = ssl_sock_get_ssl_object(conn);
+ if (!ssl)
+ return 0;
+
+ capture = SSL_get_ex_data(ssl, ssl_capture_ptr_index);
+ if (!capture)
+ return 0;
+
+ smp->flags = SMP_F_VOL_SESS;
+ smp->data.type = SMP_T_SINT;
+ smp->data.u.sint = capture->xxh64;
+ return 1;
+}
+
+static int
+smp_fetch_ssl_fc_err(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+ struct connection *conn;
+ struct ssl_sock_ctx *ctx;
+
+ if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
+ conn = (kw[4] == 'b') ? sc_conn(__objt_check(smp->sess->origin)->sc) : NULL;
+ else
+ conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
+ smp->strm ? sc_conn(smp->strm->scb) : NULL;
+
+ if (!conn)
+ return 0;
+
+ if (conn->flags & CO_FL_WAIT_XPRT && !conn->err_code) {
+ smp->flags = SMP_F_MAY_CHANGE;
+ return 0;
+ }
+
+ ctx = conn_get_ssl_sock_ctx(conn);
+ if (!ctx)
+ return 0;
+
+ smp->flags = SMP_F_VOL_SESS;
+ smp->data.type = SMP_T_SINT;
+ smp->data.u.sint = ctx->error_code;
+ return 1;
+}
+
+static int
+smp_fetch_ssl_fc_protocol_hello_id(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+ struct connection *conn;
+ struct ssl_capture *capture;
+ SSL *ssl;
+
+ conn = objt_conn(smp->sess->origin);
+ ssl = ssl_sock_get_ssl_object(conn);
+ if (!ssl)
+ return 0;
+
+ capture = SSL_get_ex_data(ssl, ssl_capture_ptr_index);
+ if (!capture)
+ return 0;
+
+ smp->flags = SMP_F_VOL_SESS;
+ smp->data.type = SMP_T_SINT;
+ smp->data.u.sint = capture->protocol_version;
+ return 1;
+}
+
+static int
+smp_fetch_ssl_fc_err_str(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+ struct connection *conn;
+ struct ssl_sock_ctx *ctx;
+ const char *err_code_str;
+
+ if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
+ conn = (kw[4] == 'b') ? sc_conn(__objt_check(smp->sess->origin)->sc) : NULL;
+ else
+ conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
+ smp->strm ? sc_conn(smp->strm->scb) : NULL;
+
+ if (!conn)
+ return 0;
+
+ if (conn->flags & CO_FL_WAIT_XPRT && !conn->err_code) {
+ smp->flags = SMP_F_MAY_CHANGE;
+ return 0;
+ }
+
+ ctx = conn_get_ssl_sock_ctx(conn);
+ if (!ctx || !ctx->error_code)
+ return 0;
+
+ err_code_str = ERR_error_string(ctx->error_code, NULL);
+
+ smp->flags = SMP_F_VOL_SESS;
+ smp->data.type = SMP_T_STR;
+ smp->data.u.str.area = (char*)err_code_str;
+ smp->data.u.str.data = strlen(err_code_str);
+
+ return 1;
+}
+
+/* binary, returns tls client hello extensions list.
+ * Arguments: filter_option (0,1)
+ */
+static int
+smp_fetch_ssl_fc_ext_bin(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+ struct buffer *smp_trash;
+ struct connection *conn;
+ struct ssl_capture *capture;
+ SSL *ssl;
+
+ conn = objt_conn(smp->sess->origin);
+ ssl = ssl_sock_get_ssl_object(conn);
+ if (!ssl)
+ return 0;
+
+ capture = SSL_get_ex_data(ssl, ssl_capture_ptr_index);
+ if (!capture)
+ return 0;
+
+ if (args[0].data.sint) {
+ smp_trash = get_trash_chunk();
+ exclude_tls_grease(capture->data + capture->extensions_offset, capture->extensions_len, smp_trash);
+ smp->data.u.str.area = smp_trash->area;
+ smp->data.u.str.data = smp_trash->data;
+ smp->flags = SMP_F_VOL_SESS;
+ }
+ else {
+ smp->data.u.str.area = capture->data + capture->extensions_offset;
+ smp->data.u.str.data = capture->extensions_len;
+ smp->flags = SMP_F_VOL_TEST | SMP_F_CONST;
+ }
+
+ smp->data.type = SMP_T_BIN;
+ return 1;
+}
+
+/* binary, returns tls client hello supported elliptic curves.
+ * Arguments: filter_option (0,1)
+ */
+static int
+smp_fetch_ssl_fc_ecl_bin(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+ struct buffer *smp_trash;
+ struct connection *conn;
+ struct ssl_capture *capture;
+ SSL *ssl;
+
+ conn = objt_conn(smp->sess->origin);
+ ssl = ssl_sock_get_ssl_object(conn);
+ if (!ssl)
+ return 0;
+
+ capture = SSL_get_ex_data(ssl, ssl_capture_ptr_index);
+ if (!capture)
+ return 0;
+
+ if (args[0].data.sint) {
+ smp_trash = get_trash_chunk();
+ exclude_tls_grease(capture->data + capture->ec_offset, capture->ec_len, smp_trash);
+ smp->data.u.str.area = smp_trash->area;
+ smp->data.u.str.data = smp_trash->data;
+ smp->flags = SMP_F_VOL_SESS;
+ }
+ else {
+ smp->data.u.str.area = capture->data + capture->ec_offset;
+ smp->data.u.str.data = capture->ec_len;
+ smp->flags = SMP_F_VOL_TEST | SMP_F_CONST;
+ }
+
+ smp->data.type = SMP_T_BIN;
+ return 1;
+}
+
+/* binary, returns tls client hello supported elliptic curve point formats */
+static int
+smp_fetch_ssl_fc_ecf_bin(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+ struct connection *conn;
+ struct ssl_capture *capture;
+ SSL *ssl;
+
+ conn = objt_conn(smp->sess->origin);
+ ssl = ssl_sock_get_ssl_object(conn);
+ if (!ssl)
+ return 0;
+
+ capture = SSL_get_ex_data(ssl, ssl_capture_ptr_index);
+ if (!capture)
+ return 0;
+
+ smp->flags = SMP_F_VOL_TEST | SMP_F_CONST;
+ smp->data.type = SMP_T_BIN;
+ smp->data.u.str.area = capture->data + capture->ec_formats_offset;
+ smp->data.u.str.data = capture->ec_formats_len;
+ return 1;
+}
+
+/* Dump the SSL keylog, it only works with "tune.ssl.keylog 1" */
+#ifdef HAVE_SSL_KEYLOG
+static int smp_fetch_ssl_x_keylog(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+ struct connection *conn;
+ struct ssl_keylog *keylog;
+ SSL *ssl;
+ char *src = NULL;
+ const char *sfx;
+
+ if (global_ssl.keylog <= 0)
+ return 0;
+
+ conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
+ smp->strm ? sc_conn(smp->strm->scb) : NULL;
+
+ if (!conn)
+ return 0;
+
+ if (conn->flags & CO_FL_WAIT_XPRT) {
+ smp->flags |= SMP_F_MAY_CHANGE;
+ return 0;
+ }
+
+ ssl = ssl_sock_get_ssl_object(conn);
+ if (!ssl)
+ return 0;
+
+ keylog = SSL_get_ex_data(ssl, ssl_keylog_index);
+ if (!keylog)
+ return 0;
+
+ sfx = kw + strlen("ssl_xx_");
+
+ if (strcmp(sfx, "client_early_traffic_secret") == 0) {
+ src = keylog->client_early_traffic_secret;
+ } else if (strcmp(sfx, "client_handshake_traffic_secret") == 0) {
+ src = keylog->client_handshake_traffic_secret;
+ } else if (strcmp(sfx, "server_handshake_traffic_secret") == 0) {
+ src = keylog->server_handshake_traffic_secret;
+ } else if (strcmp(sfx, "client_traffic_secret_0") == 0) {
+ src = keylog->client_traffic_secret_0;
+ } else if (strcmp(sfx, "server_traffic_secret_0") == 0) {
+ src = keylog->server_traffic_secret_0;
+ } else if (strcmp(sfx, "exporter_secret") == 0) {
+ src = keylog->exporter_secret;
+ } else if (strcmp(sfx, "early_exporter_secret") == 0) {
+ src = keylog->early_exporter_secret;
+ }
+
+ if (!src || !*src)
+ return 0;
+
+ smp->data.u.str.area = src;
+ smp->data.type = SMP_T_STR;
+ smp->flags |= SMP_F_VOL_TEST | SMP_F_CONST;
+ smp->data.u.str.data = strlen(smp->data.u.str.area);
+ return 1;
+}
+#endif
+
+static int
+smp_fetch_ssl_fc_cl_str(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+#if defined(OPENSSL_IS_BORINGSSL) || defined(SSL_CTRL_GET_RAW_CIPHERLIST)
+ struct buffer *data;
+ int i;
+
+ if (!smp_fetch_ssl_fc_cl_bin(args, smp, kw, private))
+ return 0;
+
+ data = get_trash_chunk();
+ for (i = 0; i + 1 < smp->data.u.str.data; i += 2) {
+ const char *str;
+ const SSL_CIPHER *cipher;
+ const unsigned char *bin = (const unsigned char *) smp->data.u.str.area + i;
+ uint16_t id = (bin[0] << 8) | bin[1];
+#if defined(OPENSSL_IS_BORINGSSL)
+ cipher = SSL_get_cipher_by_value(id);
+#else
+ struct connection *conn = __objt_conn(smp->sess->origin);
+ SSL *ssl = ssl_sock_get_ssl_object(conn);
+ cipher = SSL_CIPHER_find(ssl, bin);
+#endif
+ str = SSL_CIPHER_get_name(cipher);
+ if (!str || strcmp(str, "(NONE)") == 0)
+ chunk_appendf(data, "%sUNKNOWN(%04x)", i == 0 ? "" : ",", id);
+ else
+ chunk_appendf(data, "%s%s", i == 0 ? "" : ",", str);
+ }
+ smp->data.type = SMP_T_STR;
+ smp->data.u.str = *data;
+ return 1;
+#else
+ return smp_fetch_ssl_fc_cl_xxh64(args, smp, kw, private);
+#endif
+}
+
+#if HA_OPENSSL_VERSION_NUMBER > 0x0090800fL
+static int
+smp_fetch_ssl_fc_unique_id(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+ struct connection *conn;
+ int finished_len;
+ struct buffer *finished_trash;
+ SSL *ssl;
+
+ if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
+ conn = (kw[4] == 'b') ? sc_conn(__objt_check(smp->sess->origin)->sc) : NULL;
+ else
+ conn = (kw[4] != 'b') ? objt_conn(smp->sess->origin) :
+ smp->strm ? sc_conn(smp->strm->scb) : NULL;
+
+ smp->flags = 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;
+ }
+
+ finished_trash = get_trash_chunk();
+ if (!SSL_session_reused(ssl))
+ finished_len = SSL_get_peer_finished(ssl,
+ finished_trash->area,
+ finished_trash->size);
+ else
+ finished_len = SSL_get_finished(ssl,
+ finished_trash->area,
+ finished_trash->size);
+
+ if (!finished_len)
+ return 0;
+
+ finished_trash->data = finished_len;
+ smp->flags = SMP_F_VOL_SESS;
+ smp->data.u.str = *finished_trash;
+ smp->data.type = SMP_T_BIN;
+
+ return 1;
+}
+#endif
+
+/* integer, returns the first verify error in CA chain of client certificate chain. */
+static int
+smp_fetch_ssl_c_ca_err(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+ struct connection *conn = objt_conn(smp->sess->origin);
+ struct ssl_sock_ctx *ctx = conn_get_ssl_sock_ctx(conn);
+
+ if (conn && conn->flags & CO_FL_WAIT_XPRT && !conn->err_code) {
+ smp->flags = SMP_F_MAY_CHANGE;
+ return 0;
+ }
+
+ if (!ctx)
+ return 0;
+
+ smp->data.type = SMP_T_SINT;
+ smp->data.u.sint = (unsigned long long int)SSL_SOCK_ST_TO_CA_ERROR(ctx->xprt_st);
+ smp->flags = SMP_F_VOL_SESS;
+
+ return 1;
+}
+
+/* integer, returns the depth of the first verify error in CA chain of client certificate chain. */
+static int
+smp_fetch_ssl_c_ca_err_depth(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+ struct connection *conn = objt_conn(smp->sess->origin);
+ struct ssl_sock_ctx *ctx = conn_get_ssl_sock_ctx(conn);
+
+ if (conn && conn->flags & CO_FL_WAIT_XPRT && !conn->err_code) {
+ smp->flags = SMP_F_MAY_CHANGE;
+ return 0;
+ }
+
+ if (!ctx)
+ return 0;
+
+ smp->data.type = SMP_T_SINT;
+ smp->data.u.sint = (long long int)SSL_SOCK_ST_TO_CAEDEPTH(ctx->xprt_st);
+ smp->flags = SMP_F_VOL_SESS;
+
+ return 1;
+}
+
+/* integer, returns the first verify error on client certificate */
+static int
+smp_fetch_ssl_c_err(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+ struct connection *conn = objt_conn(smp->sess->origin);
+ struct ssl_sock_ctx *ctx = conn_get_ssl_sock_ctx(conn);
+
+ if (conn && conn->flags & CO_FL_WAIT_XPRT && !conn->err_code) {
+ smp->flags = SMP_F_MAY_CHANGE;
+ return 0;
+ }
+
+ if (!ctx)
+ return 0;
+
+ smp->data.type = SMP_T_SINT;
+ smp->data.u.sint = (long long int)SSL_SOCK_ST_TO_CRTERROR(ctx->xprt_st);
+ smp->flags = SMP_F_VOL_SESS;
+
+ return 1;
+}
+
+/* integer, returns the verify result on client cert */
+static int
+smp_fetch_ssl_c_verify(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+ 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) {
+ smp->flags = SMP_F_MAY_CHANGE;
+ return 0;
+ }
+
+ smp->data.type = SMP_T_SINT;
+ smp->data.u.sint = (long long int)SSL_get_verify_result(ssl);
+ smp->flags = SMP_F_VOL_SESS;
+
+ return 1;
+}
+
+/* Argument validation functions */
+
+/* This function is used to validate the arguments passed to any "x_dn" ssl
+ * keywords. These keywords support specifying a third parameter that must be
+ * either empty or the value "rfc2253". Returns 0 on error, non-zero if OK.
+ */
+int val_dnfmt(struct arg *arg, char **err_msg)
+{
+ if (arg && arg[2].type == ARGT_STR && arg[2].data.str.data > 0 && (strcmp(arg[2].data.str.area, "rfc2253") != 0)) {
+ memprintf(err_msg, "only rfc2253 or a blank value are currently supported as the format argument.");
+ return 0;
+ }
+ return 1;
+}
+
+/* Note: must not be declared <const> as its list will be overwritten.
+ * Please take care of keeping this list alphabetically sorted.
+ */
+static struct sample_fetch_kw_list sample_fetch_keywords = {ILH, {
+ { "ssl_bc", smp_fetch_ssl_fc, 0, NULL, SMP_T_BOOL, SMP_USE_L5SRV },
+ { "ssl_bc_alg_keysize", smp_fetch_ssl_fc_alg_keysize, 0, NULL, SMP_T_SINT, SMP_USE_L5SRV },
+#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
+ { "ssl_bc_alpn", smp_fetch_ssl_fc_alpn, 0, NULL, SMP_T_STR, SMP_USE_L5SRV },
+#endif
+ { "ssl_bc_cipher", smp_fetch_ssl_fc_cipher, 0, NULL, SMP_T_STR, SMP_USE_L5SRV },
+#if defined(OPENSSL_NPN_NEGOTIATED) && !defined(OPENSSL_NO_NEXTPROTONEG)
+ { "ssl_bc_npn", smp_fetch_ssl_fc_npn, 0, NULL, SMP_T_STR, SMP_USE_L5SRV },
+#endif
+ { "ssl_bc_is_resumed", smp_fetch_ssl_fc_is_resumed, 0, NULL, SMP_T_BOOL, SMP_USE_L5SRV },
+ { "ssl_bc_protocol", smp_fetch_ssl_fc_protocol, 0, NULL, SMP_T_STR, SMP_USE_L5SRV },
+ { "ssl_bc_unique_id", smp_fetch_ssl_fc_unique_id, 0, NULL, SMP_T_BIN, SMP_USE_L5SRV },
+ { "ssl_bc_use_keysize", smp_fetch_ssl_fc_use_keysize, 0, NULL, SMP_T_SINT, SMP_USE_L5SRV },
+#if HA_OPENSSL_VERSION_NUMBER > 0x0090800fL
+ { "ssl_bc_session_id", smp_fetch_ssl_fc_session_id, 0, NULL, SMP_T_BIN, SMP_USE_L5SRV },
+#endif
+#ifdef HAVE_SSL_EXTRACT_RANDOM
+ { "ssl_bc_client_random", smp_fetch_ssl_fc_random, 0, NULL, SMP_T_BIN, SMP_USE_L5SRV },
+ { "ssl_bc_server_random", smp_fetch_ssl_fc_random, 0, NULL, SMP_T_BIN, SMP_USE_L5SRV },
+ { "ssl_bc_session_key", smp_fetch_ssl_fc_session_key, 0, NULL, SMP_T_BIN, SMP_USE_L5SRV },
+#endif
+ { "ssl_bc_err", smp_fetch_ssl_fc_err, 0, NULL, SMP_T_SINT, SMP_USE_L5SRV },
+ { "ssl_bc_err_str", smp_fetch_ssl_fc_err_str, 0, NULL, SMP_T_STR, SMP_USE_L5SRV },
+ { "ssl_c_ca_err", smp_fetch_ssl_c_ca_err, 0, NULL, SMP_T_SINT, SMP_USE_L5CLI },
+ { "ssl_c_ca_err_depth", smp_fetch_ssl_c_ca_err_depth, 0, NULL, SMP_T_SINT, SMP_USE_L5CLI },
+ { "ssl_c_der", smp_fetch_ssl_x_der, 0, NULL, SMP_T_BIN, SMP_USE_L5CLI },
+ { "ssl_c_chain_der", smp_fetch_ssl_x_chain_der, 0, NULL, SMP_T_BIN, SMP_USE_L5CLI },
+ { "ssl_c_err", smp_fetch_ssl_c_err, 0, NULL, SMP_T_SINT, SMP_USE_L5CLI },
+ { "ssl_c_i_dn", smp_fetch_ssl_x_i_dn, ARG3(0,STR,SINT,STR),val_dnfmt, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_c_key_alg", smp_fetch_ssl_x_key_alg, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_c_notafter", smp_fetch_ssl_x_notafter, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_c_notbefore", smp_fetch_ssl_x_notbefore, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_c_sig_alg", smp_fetch_ssl_x_sig_alg, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_c_s_dn", smp_fetch_ssl_x_s_dn, ARG3(0,STR,SINT,STR),val_dnfmt, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_c_serial", smp_fetch_ssl_x_serial, 0, NULL, SMP_T_BIN, SMP_USE_L5CLI },
+ { "ssl_c_sha1", smp_fetch_ssl_x_sha1, 0, NULL, SMP_T_BIN, SMP_USE_L5CLI },
+ { "ssl_c_used", smp_fetch_ssl_c_used, 0, NULL, SMP_T_BOOL, SMP_USE_L5CLI },
+ { "ssl_c_verify", smp_fetch_ssl_c_verify, 0, NULL, SMP_T_SINT, SMP_USE_L5CLI },
+ { "ssl_c_version", smp_fetch_ssl_x_version, 0, NULL, SMP_T_SINT, SMP_USE_L5CLI },
+ { "ssl_f_der", smp_fetch_ssl_x_der, 0, NULL, SMP_T_BIN, SMP_USE_L5CLI },
+ { "ssl_f_i_dn", smp_fetch_ssl_x_i_dn, ARG3(0,STR,SINT,STR),val_dnfmt, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_f_key_alg", smp_fetch_ssl_x_key_alg, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_f_notafter", smp_fetch_ssl_x_notafter, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_f_notbefore", smp_fetch_ssl_x_notbefore, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_f_sig_alg", smp_fetch_ssl_x_sig_alg, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_f_s_dn", smp_fetch_ssl_x_s_dn, ARG3(0,STR,SINT,STR),val_dnfmt, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_f_serial", smp_fetch_ssl_x_serial, 0, NULL, SMP_T_BIN, SMP_USE_L5CLI },
+ { "ssl_f_sha1", smp_fetch_ssl_x_sha1, 0, NULL, SMP_T_BIN, SMP_USE_L5CLI },
+ { "ssl_f_version", smp_fetch_ssl_x_version, 0, NULL, SMP_T_SINT, SMP_USE_L5CLI },
+ { "ssl_fc", smp_fetch_ssl_fc, 0, NULL, SMP_T_BOOL, SMP_USE_L5CLI },
+ { "ssl_fc_alg_keysize", smp_fetch_ssl_fc_alg_keysize, 0, NULL, SMP_T_SINT, SMP_USE_L5CLI },
+ { "ssl_fc_cipher", smp_fetch_ssl_fc_cipher, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_fc_has_crt", smp_fetch_ssl_fc_has_crt, 0, NULL, SMP_T_BOOL, SMP_USE_L5CLI },
+ { "ssl_fc_has_early", smp_fetch_ssl_fc_has_early, 0, NULL, SMP_T_BOOL, SMP_USE_L5CLI },
+ { "ssl_fc_has_sni", smp_fetch_ssl_fc_has_sni, 0, NULL, SMP_T_BOOL, SMP_USE_L5CLI },
+ { "ssl_fc_is_resumed", smp_fetch_ssl_fc_is_resumed, 0, NULL, SMP_T_BOOL, SMP_USE_L5CLI },
+#if defined(OPENSSL_NPN_NEGOTIATED) && !defined(OPENSSL_NO_NEXTPROTONEG)
+ { "ssl_fc_npn", smp_fetch_ssl_fc_npn, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+#endif
+#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
+ { "ssl_fc_alpn", smp_fetch_ssl_fc_alpn, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+#endif
+ { "ssl_fc_protocol", smp_fetch_ssl_fc_protocol, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+#if HA_OPENSSL_VERSION_NUMBER > 0x0090800fL
+ { "ssl_fc_unique_id", smp_fetch_ssl_fc_unique_id, 0, NULL, SMP_T_BIN, SMP_USE_L5CLI },
+#endif
+ { "ssl_fc_use_keysize", smp_fetch_ssl_fc_use_keysize, 0, NULL, SMP_T_SINT, SMP_USE_L5CLI },
+#if HA_OPENSSL_VERSION_NUMBER > 0x0090800fL
+ { "ssl_fc_session_id", smp_fetch_ssl_fc_session_id, 0, NULL, SMP_T_BIN, SMP_USE_L5CLI },
+#endif
+#ifdef HAVE_SSL_EXTRACT_RANDOM
+ { "ssl_fc_client_random", smp_fetch_ssl_fc_random, 0, NULL, SMP_T_BIN, SMP_USE_L5CLI },
+ { "ssl_fc_server_random", smp_fetch_ssl_fc_random, 0, NULL, SMP_T_BIN, SMP_USE_L5CLI },
+ { "ssl_fc_session_key", smp_fetch_ssl_fc_session_key, 0, NULL, SMP_T_BIN, SMP_USE_L5CLI },
+#endif
+
+#ifdef HAVE_SSL_KEYLOG
+ { "ssl_fc_client_early_traffic_secret", smp_fetch_ssl_x_keylog, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_fc_client_handshake_traffic_secret", smp_fetch_ssl_x_keylog, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_fc_server_handshake_traffic_secret", smp_fetch_ssl_x_keylog, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_fc_client_traffic_secret_0", smp_fetch_ssl_x_keylog, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_fc_server_traffic_secret_0", smp_fetch_ssl_x_keylog, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_fc_exporter_secret", smp_fetch_ssl_x_keylog, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_fc_early_exporter_secret", smp_fetch_ssl_x_keylog, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+#endif
+
+ { "ssl_fc_sni", smp_fetch_ssl_fc_sni, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_fc_cipherlist_bin", smp_fetch_ssl_fc_cl_bin, ARG1(0,SINT), NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_fc_cipherlist_hex", smp_fetch_ssl_fc_cl_hex, ARG1(0,SINT), NULL, SMP_T_BIN, SMP_USE_L5CLI },
+ { "ssl_fc_cipherlist_str", smp_fetch_ssl_fc_cl_str, ARG1(0,SINT), NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_fc_cipherlist_xxh", smp_fetch_ssl_fc_cl_xxh64, 0, NULL, SMP_T_SINT, SMP_USE_L5CLI },
+ { "ssl_fc_err", smp_fetch_ssl_fc_err, 0, NULL, SMP_T_SINT, SMP_USE_L5CLI },
+ { "ssl_fc_err_str", smp_fetch_ssl_fc_err_str, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_fc_protocol_hello_id",smp_fetch_ssl_fc_protocol_hello_id,0, NULL, SMP_T_SINT, SMP_USE_L5CLI },
+ { "ssl_fc_extlist_bin", smp_fetch_ssl_fc_ext_bin, ARG1(0,SINT), NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_fc_eclist_bin", smp_fetch_ssl_fc_ecl_bin, ARG1(0,SINT), NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_fc_ecformats_bin", smp_fetch_ssl_fc_ecf_bin, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+
+/* SSL server certificate fetches */
+ { "ssl_s_der", smp_fetch_ssl_x_der, 0, NULL, SMP_T_BIN, SMP_USE_L5CLI },
+ { "ssl_s_chain_der", smp_fetch_ssl_x_chain_der, 0, NULL, SMP_T_BIN, SMP_USE_L5CLI },
+ { "ssl_s_key_alg", smp_fetch_ssl_x_key_alg, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_s_notafter", smp_fetch_ssl_x_notafter, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_s_notbefore", smp_fetch_ssl_x_notbefore, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_s_sig_alg", smp_fetch_ssl_x_sig_alg, 0, NULL, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_s_s_dn", smp_fetch_ssl_x_s_dn, ARG3(0,STR,SINT,STR),val_dnfmt, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_s_i_dn", smp_fetch_ssl_x_i_dn, ARG3(0,STR,SINT,STR),val_dnfmt, SMP_T_STR, SMP_USE_L5CLI },
+ { "ssl_s_serial", smp_fetch_ssl_x_serial, 0, NULL, SMP_T_BIN, SMP_USE_L5CLI },
+ { "ssl_s_sha1", smp_fetch_ssl_x_sha1, 0, NULL, SMP_T_BIN, SMP_USE_L5CLI },
+ { "ssl_s_version", smp_fetch_ssl_x_version, 0, NULL, SMP_T_SINT, SMP_USE_L5CLI },
+ { NULL, NULL, 0, 0, 0 },
+}};
+
+INITCALL1(STG_REGISTER, sample_register_fetches, &sample_fetch_keywords);
+
+/* Note: must not be declared <const> as its list will be overwritten */
+static struct sample_conv_kw_list sample_conv_kws = {ILH, {
+ { "sha2", sample_conv_sha2, ARG1(0, SINT), smp_check_sha2, SMP_T_BIN, SMP_T_BIN },
+#ifdef EVP_CIPH_GCM_MODE
+ { "aes_gcm_dec", sample_conv_aes_gcm_dec, ARG4(4,SINT,STR,STR,STR), check_aes_gcm, SMP_T_BIN, SMP_T_BIN },
+#endif
+ { "digest", sample_conv_crypto_digest, ARG1(1,STR), check_crypto_digest, SMP_T_BIN, SMP_T_BIN },
+ { "hmac", sample_conv_crypto_hmac, ARG2(2,STR,STR), check_crypto_hmac, SMP_T_BIN, SMP_T_BIN },
+#if defined(HAVE_CRYPTO_memcmp)
+ { "secure_memcmp", sample_conv_secure_memcmp, ARG1(1,STR), smp_check_secure_memcmp, SMP_T_BIN, SMP_T_BOOL },
+#endif
+ { NULL, NULL, 0, 0, 0 },
+}};
+
+INITCALL1(STG_REGISTER, sample_register_convs, &sample_conv_kws);
+
+
+/* Note: must not be declared <const> as its list will be overwritten.
+ * Please take care of keeping this list alphabetically sorted.
+ */
+static struct acl_kw_list acl_kws = {ILH, {
+ { "ssl_fc_sni_end", "ssl_fc_sni", PAT_MATCH_END },
+ { "ssl_fc_sni_reg", "ssl_fc_sni", PAT_MATCH_REG },
+ { /* END */ },
+}};
+
+INITCALL1(STG_REGISTER, acl_register_keywords, &acl_kws);