![Bernd Kuhls](/assets/img/avatar_default.png)
The patches enable two new API configurations, one for OpenSSL 1.1.x and the other LibreSSL. A dependency is added to use the Buildroot host tool openssl to create headers (dh512.h). This resolves a host OS mismatch with openssl versions. (The Makefile does this generation as part of the initial build) Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de> Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com> Signed-off-by: Matt Weber <matthew.weber@rockwellcollins.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
335 lines
11 KiB
Diff
335 lines
11 KiB
Diff
From a2c9dde4d055ea8942afb150b7fc3a807d4e5d60 Mon Sep 17 00:00:00 2001
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From: Sergey Poznyakoff <gray@gnu.org>
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Date: Wed, 28 Feb 2018 13:44:01 +0000
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Subject: [PATCH] Support for Openssl 1.1
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Fixes
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http://autobuild.buildroot.net/results/ef2/ef2de6c280bf8622a00d4573bc5bd143e3baa002
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Downloaded from github fork:
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https://github.com/graygnuorg/pound/commit/a2c9dde4d055ea8942afb150b7fc3a807d4e5d60
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This patch was announced on the upstream mailinglist:
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http://www.apsis.ch/pound/pound_list/archive/2018/2018-03/1519920322000
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Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
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---
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.gitignore | 15 ++++++++
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config.c | 17 +++++++--
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http.c | 12 ++++++-
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pound.h | 4 ++-
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svc.c | 101 +++++++++++++++++++++++++++++++++++++++++++----------
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5 files changed, 125 insertions(+), 24 deletions(-)
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create mode 100644 .gitignore
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diff --git a/config.c b/config.c
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index d41a3ee..e8fec0f 100644
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--- a/config.c
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+++ b/config.c
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@@ -174,6 +174,16 @@ conf_fgets(char *buf, const int max)
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}
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}
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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+# define general_name_string(n) \
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+ strndup(ASN1_STRING_get0_data(n->d.dNSName), \
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+ ASN1_STRING_length(n->d.dNSName) + 1)
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+#else
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+# define general_name_string(n) \
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+ strndup(ASN1_STRING_data(n->d.dNSName), \
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+ ASN1_STRING_length(n->d.dNSName) + 1)
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+#endif
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+
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unsigned char **
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get_subjectaltnames(X509 *x509, unsigned int *count)
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{
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@@ -194,8 +204,7 @@ get_subjectaltnames(X509 *x509, unsigned int *count)
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name = sk_GENERAL_NAME_pop(san_stack);
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switch(name->type) {
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case GEN_DNS:
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- temp[local_count] = strndup(ASN1_STRING_data(name->d.dNSName), ASN1_STRING_length(name->d.dNSName)
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- + 1);
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+ temp[local_count] = general_name_string(name);
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if(temp[local_count] == NULL)
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conf_err("out of memory");
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local_count++;
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@@ -565,7 +574,9 @@ parse_service(const char *svc_name)
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pthread_mutex_init(&res->mut, NULL);
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if(svc_name)
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strncpy(res->name, svc_name, KEY_SIZE);
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-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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+ if((res->sessions = lh_TABNODE_new(t_hash, t_cmp)) == NULL)
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+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
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if((res->sessions = LHM_lh_new(TABNODE, t)) == NULL)
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#else
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if((res->sessions = lh_new(LHASH_HASH_FN(t_hash), LHASH_COMP_FN(t_cmp))) == NULL)
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diff --git a/http.c b/http.c
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index dd211e4..c8e756a 100644
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--- a/http.c
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+++ b/http.c
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@@ -527,12 +527,22 @@ log_bytes(char *res, const LONG cnt)
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/* Cleanup code. This should really be in the pthread_cleanup_push, except for bugs in some implementations */
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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+# define clear_error()
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+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
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+# define clear_error() \
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+ if(ssl != NULL) { ERR_clear_error(); ERR_remove_thread_state(NULL); }
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+#else
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+# define clear_error() \
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+ if(ssl != NULL) { ERR_clear_error(); ERR_remove_state(0); }
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+#endif
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+
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#define clean_all() { \
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if(ssl != NULL) { BIO_ssl_shutdown(cl); } \
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if(be != NULL) { BIO_flush(be); BIO_reset(be); BIO_free_all(be); be = NULL; } \
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if(cl != NULL) { BIO_flush(cl); BIO_reset(cl); BIO_free_all(cl); cl = NULL; } \
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if(x509 != NULL) { X509_free(x509); x509 = NULL; } \
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- if(ssl != NULL) { ERR_clear_error(); ERR_remove_state(0); } \
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+ clear_error(); \
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}
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/*
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diff --git a/pound.h b/pound.h
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index fa22c36..9603b91 100644
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--- a/pound.h
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+++ b/pound.h
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@@ -344,7 +344,9 @@ typedef struct _tn {
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/* maximal session key size */
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#define KEY_SIZE 127
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-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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+ DEFINE_LHASH_OF(TABNODE);
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+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
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DECLARE_LHASH_OF(TABNODE);
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#endif
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diff --git a/svc.c b/svc.c
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index 60ba488..063b92c 100644
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--- a/svc.c
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+++ b/svc.c
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@@ -27,10 +27,17 @@
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#include "pound.h"
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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+# define TABNODE_GET_DOWN_LOAD(t) lh_TABNODE_get_down_load(t)
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+# define TABNODE_SET_DOWN_LOAD(t,n) lh_TABNODE_set_down_load(t,n)
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+#else
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#ifndef LHASH_OF
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#define LHASH_OF(x) LHASH
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#define CHECKED_LHASH_OF(type, h) h
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#endif
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+# define TABNODE_GET_DOWN_LOAD(t) (CHECKED_LHASH_OF(TABNODE, t)->down_load)
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+# define TABNODE_SET_DOWN_LOAD(t,n) (CHECKED_LHASH_OF(TABNODE, t)->down_load = n)
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+#endif
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/*
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* Add a new key/content pair to a hash table
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@@ -58,7 +65,9 @@ t_add(LHASH_OF(TABNODE) *const tab, const char *key, const void *content, const
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}
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memcpy(t->content, content, cont_len);
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t->last_acc = time(NULL);
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-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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+ if((old = lh_TABNODE_insert(tab, t)) != NULL) {
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+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
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if((old = LHM_lh_insert(TABNODE, tab, t)) != NULL) {
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#else
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if((old = (TABNODE *)lh_insert(tab, t)) != NULL) {
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@@ -82,7 +91,9 @@ t_find(LHASH_OF(TABNODE) *const tab, char *const key)
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TABNODE t, *res;
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t.key = key;
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-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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+ if((res = lh_TABNODE_retrieve(tab, &t)) != NULL) {
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+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
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if((res = (TABNODE *)LHM_lh_retrieve(TABNODE, tab, &t)) != NULL) {
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#else
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if((res = (TABNODE *)lh_retrieve(tab, &t)) != NULL) {
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@@ -102,7 +113,9 @@ t_remove(LHASH_OF(TABNODE) *const tab, char *const key)
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TABNODE t, *res;
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t.key = key;
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-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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+ if((res = lh_TABNODE_delete(tab, &t)) != NULL) {
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+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
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if((res = LHM_lh_delete(TABNODE, tab, &t)) != NULL) {
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#else
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if((res = (TABNODE *)lh_delete(tab, &t)) != NULL) {
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@@ -127,7 +140,9 @@ t_old_doall_arg(TABNODE *t, ALL_ARG *a)
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TABNODE *res;
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if(t->last_acc < a->lim)
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-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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+ if((res = lh_TABNODE_delete(a->tab, t)) != NULL) {
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+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
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if((res = LHM_lh_delete(TABNODE, a->tab, t)) != NULL) {
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#else
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if((res = lh_delete(a->tab, t)) != NULL) {
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@@ -145,6 +160,10 @@ IMPLEMENT_LHASH_DOALL_ARG_FN(t_old, TABNODE, ALL_ARG)
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IMPLEMENT_LHASH_DOALL_ARG_FN(t_old, TABNODE *, ALL_ARG *)
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#endif
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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+IMPLEMENT_LHASH_DOALL_ARG(TABNODE,ALL_ARG);
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+#endif
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+
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/*
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* Expire all old nodes
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*/
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@@ -156,14 +175,16 @@ t_expire(LHASH_OF(TABNODE) *const tab, const time_t lim)
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a.tab = tab;
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a.lim = lim;
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- down_load = CHECKED_LHASH_OF(TABNODE, tab)->down_load;
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- CHECKED_LHASH_OF(TABNODE, tab)->down_load = 0;
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-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
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+ down_load = TABNODE_GET_DOWN_LOAD(tab);
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+ TABNODE_SET_DOWN_LOAD(tab, 0);
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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+ lh_TABNODE_doall_ALL_ARG(tab, t_old_doall_arg, &a);
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+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
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LHM_lh_doall_arg(TABNODE, tab, LHASH_DOALL_ARG_FN(t_old), ALL_ARG, &a);
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#else
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lh_doall_arg(tab, LHASH_DOALL_ARG_FN(t_old), &a);
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#endif
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- CHECKED_LHASH_OF(TABNODE, tab)->down_load = down_load;
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+ TABNODE_SET_DOWN_LOAD(tab, down_load);
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return;
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}
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@@ -173,7 +194,9 @@ t_cont_doall_arg(TABNODE *t, ALL_ARG *arg)
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TABNODE *res;
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if(memcmp(t->content, arg->content, arg->cont_len) == 0)
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-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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+ if((res = lh_TABNODE_delete(arg->tab, t)) != NULL) {
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+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
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if((res = LHM_lh_delete(TABNODE, arg->tab, t)) != NULL) {
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#else
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if((res = lh_delete(arg->tab, t)) != NULL) {
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@@ -203,15 +226,16 @@ t_clean(LHASH_OF(TABNODE) *const tab, void *const content, const size_t cont_len
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a.tab = tab;
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a.content = content;
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a.cont_len = cont_len;
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- down_load = CHECKED_LHASH_OF(TABNODE, tab)->down_load;
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- CHECKED_LHASH_OF(TABNODE, tab)->down_load = 0;
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-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
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+ down_load = TABNODE_GET_DOWN_LOAD(tab);
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+ TABNODE_SET_DOWN_LOAD(tab, 0);
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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+ lh_TABNODE_doall_ALL_ARG(tab, t_cont_doall_arg, &a);
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+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
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LHM_lh_doall_arg(TABNODE, tab, LHASH_DOALL_ARG_FN(t_cont), ALL_ARG, &a);
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#else
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lh_doall_arg(tab, LHASH_DOALL_ARG_FN(t_cont), &a);
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#endif
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- CHECKED_LHASH_OF(TABNODE, tab)->down_load = down_load;
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- return;
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+ TABNODE_SET_DOWN_LOAD(tab, down_load);
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}
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/*
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@@ -1262,6 +1286,31 @@ RSA_tmp_callback(/* not used */SSL *ssl, /* not used */int is_export, int keylen
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return res;
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}
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+static int
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+generate_key(RSA **ret_rsa, unsigned long bits)
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+{
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+#if OPENSSL_VERSION_NUMBER > 0x00908000L
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+ int rc = 0;
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+ RSA *rsa;
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+
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+ rsa = RSA_new();
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+ if (rsa) {
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+ BIGNUM *bne = BN_new();
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+ if (BN_set_word(bne, RSA_F4))
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+ rc = RSA_generate_key_ex(rsa, bits, bne, NULL);
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+ BN_free(bne);
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+ if (rc)
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+ *ret_rsa = rsa;
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+ else
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+ RSA_free(rsa);
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+ }
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+ return rc;
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+#else
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+ *ret_rsa = RSA_generate_key(bits, RSA_F4, NULL, NULL);
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+ return *ret_rsa != NULL;
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+#endif
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+}
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+
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/*
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* Periodically regenerate ephemeral RSA keys
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* runs every T_RSA_KEYS seconds
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@@ -1274,8 +1323,9 @@ do_RSAgen(void)
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RSA *t_RSA1024_keys[N_RSA_KEYS];
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for(n = 0; n < N_RSA_KEYS; n++) {
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- t_RSA512_keys[n] = RSA_generate_key(512, RSA_F4, NULL, NULL);
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- t_RSA1024_keys[n] = RSA_generate_key(1024, RSA_F4, NULL, NULL);
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+ /* FIXME: Error handling */
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+ generate_key(&t_RSA512_keys[n], 512);
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+ generate_key(&t_RSA1024_keys[n], 1024);
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}
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if(ret_val = pthread_mutex_lock(&RSA_mut))
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logmsg(LOG_WARNING, "thr_RSAgen() lock: %s", strerror(ret_val));
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@@ -1329,11 +1379,11 @@ init_timer(void)
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* Pre-generate ephemeral RSA keys
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*/
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for(n = 0; n < N_RSA_KEYS; n++) {
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- if((RSA512_keys[n] = RSA_generate_key(512, RSA_F4, NULL, NULL)) == NULL) {
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+ if(!generate_key(&RSA512_keys[n], 512)) {
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logmsg(LOG_WARNING,"RSA_generate(%d, 512) failed", n);
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return;
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}
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- if((RSA1024_keys[n] = RSA_generate_key(1024, RSA_F4, NULL, NULL)) == NULL) {
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+ if(!generate_key(&RSA1024_keys[n], 1024)) {
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logmsg(LOG_WARNING,"RSA_generate(%d, 1024) failed", n);
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return;
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}
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@@ -1420,6 +1470,10 @@ IMPLEMENT_LHASH_DOALL_ARG_FN(t_dump, TABNODE, DUMP_ARG)
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IMPLEMENT_LHASH_DOALL_ARG_FN(t_dump, TABNODE *, DUMP_ARG *)
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#endif
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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+IMPLEMENT_LHASH_DOALL_ARG(TABNODE,DUMP_ARG);
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+#endif
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+
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/*
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* write sessions to the control socket
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*/
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@@ -1430,7 +1484,9 @@ dump_sess(const int control_sock, LHASH_OF(TABNODE) *const sess, BACKEND *const
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a.control_sock = control_sock;
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a.backends = backends;
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-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
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+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
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+ lh_TABNODE_doall_DUMP_ARG(sess, t_dump_doall_arg, &a);
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+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
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LHM_lh_doall_arg(TABNODE, sess, LHASH_DOALL_ARG_FN(t_dump), DUMP_ARG, &a);
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#else
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lh_doall_arg(sess, LHASH_DOALL_ARG_FN(t_dump), &a);
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@@ -1664,6 +1720,13 @@ thr_control(void *arg)
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}
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}
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+#ifndef SSL3_ST_SR_CLNT_HELLO_A
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+# define SSL3_ST_SR_CLNT_HELLO_A (0x110|SSL_ST_ACCEPT)
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+#endif
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+#ifndef SSL23_ST_SR_CLNT_HELLO_A
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+# define SSL23_ST_SR_CLNT_HELLO_A (0x210|SSL_ST_ACCEPT)
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+#endif
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+
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void
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SSLINFO_callback(const SSL *ssl, int where, int rc)
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{
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