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path: root/main/pound/openssl-1.1.patch
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From a2c9dde4d055ea8942afb150b7fc3a807d4e5d60 Mon Sep 17 00:00:00 2001
From: Sergey Poznyakoff <gray@gnu.org>
Date: Wed, 28 Feb 2018 13:44:01 +0000
Subject: [PATCH] Support for Openssl 1.1

---
 .gitignore |  15 ++++++++
 config.c   |  17 +++++++--
 http.c     |  12 ++++++-
 pound.h    |   4 ++-
 svc.c      | 101 +++++++++++++++++++++++++++++++++++++++++++----------
 5 files changed, 125 insertions(+), 24 deletions(-)
 create mode 100644 .gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1afa3b2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,15 @@
+Makefile
+*.orig
+*.rej
+core
+config.h
+config.log
+config.status
+stamp-h1
+.emacs*
+*.o
+*~
+dh2048.h
+dh512.h
+pound
+poundctl
diff --git a/config.c b/config.c
index d41a3ee..e8fec0f 100644
--- a/config.c
+++ b/config.c
@@ -174,6 +174,16 @@ conf_fgets(char *buf, const int max)
     }
 }
 
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+# define general_name_string(n) \
+	strndup(ASN1_STRING_get0_data(n->d.dNSName),	\
+	        ASN1_STRING_length(n->d.dNSName) + 1)
+#else
+# define general_name_string(n) \
+	strndup(ASN1_STRING_data(n->d.dNSName),	\
+	       ASN1_STRING_length(n->d.dNSName) + 1)
+#endif
+
 unsigned char **
 get_subjectaltnames(X509 *x509, unsigned int *count)
 {
@@ -194,8 +204,7 @@ get_subjectaltnames(X509 *x509, unsigned int *count)
         name = sk_GENERAL_NAME_pop(san_stack);
         switch(name->type) {
             case GEN_DNS:
-                temp[local_count] = strndup(ASN1_STRING_data(name->d.dNSName), ASN1_STRING_length(name->d.dNSName)
-                                    + 1);
+ 	        temp[local_count] = general_name_string(name);
                 if(temp[local_count] == NULL)
                     conf_err("out of memory");
                 local_count++;
@@ -565,7 +574,9 @@ parse_service(const char *svc_name)
     pthread_mutex_init(&res->mut, NULL);
     if(svc_name)
         strncpy(res->name, svc_name, KEY_SIZE);
-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+    if((res->sessions = lh_TABNODE_new(t_hash, t_cmp)) == NULL)    
+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
     if((res->sessions = LHM_lh_new(TABNODE, t)) == NULL)
 #else
     if((res->sessions = lh_new(LHASH_HASH_FN(t_hash), LHASH_COMP_FN(t_cmp))) == NULL)
diff --git a/http.c b/http.c
index dd211e4..c8e756a 100644
--- a/http.c
+++ b/http.c
@@ -527,12 +527,22 @@ log_bytes(char *res, const LONG cnt)
 
 /* Cleanup code. This should really be in the pthread_cleanup_push, except for bugs in some implementations */
 
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+# define clear_error()
+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
+# define clear_error() \
+	if(ssl != NULL) { ERR_clear_error(); ERR_remove_thread_state(NULL); }
+#else
+# define clear_error() \
+	if(ssl != NULL) { ERR_clear_error(); ERR_remove_state(0); }
+#endif
+
 #define clean_all() {   \
     if(ssl != NULL) { BIO_ssl_shutdown(cl); } \
     if(be != NULL) { BIO_flush(be); BIO_reset(be); BIO_free_all(be); be = NULL; } \
     if(cl != NULL) { BIO_flush(cl); BIO_reset(cl); BIO_free_all(cl); cl = NULL; } \
     if(x509 != NULL) { X509_free(x509); x509 = NULL; } \
-    if(ssl != NULL) { ERR_clear_error(); ERR_remove_state(0); } \
+    clear_error(); \
 }
 
 /*
diff --git a/pound.h b/pound.h
index fa22c36..9603b91 100644
--- a/pound.h
+++ b/pound.h
@@ -344,7 +344,9 @@ typedef struct _tn {
 /* maximal session key size */
 #define KEY_SIZE    127
 
-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+  DEFINE_LHASH_OF(TABNODE);
+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
 DECLARE_LHASH_OF(TABNODE);
 #endif
 
diff --git a/svc.c b/svc.c
index 60ba488..063b92c 100644
--- a/svc.c
+++ b/svc.c
@@ -27,10 +27,17 @@
 
 #include    "pound.h"
 
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+# define TABNODE_GET_DOWN_LOAD(t) lh_TABNODE_get_down_load(t)
+# define TABNODE_SET_DOWN_LOAD(t,n) lh_TABNODE_set_down_load(t,n)
+#else
 #ifndef LHASH_OF
 #define LHASH_OF(x) LHASH
 #define CHECKED_LHASH_OF(type, h) h
 #endif
+# define TABNODE_GET_DOWN_LOAD(t) (CHECKED_LHASH_OF(TABNODE, t)->down_load)
+# define TABNODE_SET_DOWN_LOAD(t,n) (CHECKED_LHASH_OF(TABNODE, t)->down_load = n)
+#endif
 
 /*
  * Add a new key/content pair to a hash table
@@ -58,7 +65,9 @@ t_add(LHASH_OF(TABNODE) *const tab, const char *key, const void *content, const
     }
     memcpy(t->content, content, cont_len);
     t->last_acc = time(NULL);
-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+    if((old = lh_TABNODE_insert(tab, t)) != NULL) {
+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
     if((old = LHM_lh_insert(TABNODE, tab, t)) != NULL) {
 #else
     if((old = (TABNODE *)lh_insert(tab, t)) != NULL) {
@@ -82,7 +91,9 @@ t_find(LHASH_OF(TABNODE) *const tab, char *const key)
     TABNODE t, *res;
 
     t.key = key;
-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+    if((res = lh_TABNODE_retrieve(tab, &t)) != NULL) {
+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
     if((res = (TABNODE *)LHM_lh_retrieve(TABNODE, tab, &t)) != NULL) {
 #else
     if((res = (TABNODE *)lh_retrieve(tab, &t)) != NULL) {
@@ -102,7 +113,9 @@ t_remove(LHASH_OF(TABNODE) *const tab, char *const key)
     TABNODE t, *res;
 
     t.key = key;
-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+    if((res = lh_TABNODE_delete(tab, &t)) != NULL) {    
+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
     if((res = LHM_lh_delete(TABNODE, tab, &t)) != NULL) {
 #else
     if((res = (TABNODE *)lh_delete(tab, &t)) != NULL) {
@@ -127,7 +140,9 @@ t_old_doall_arg(TABNODE *t, ALL_ARG *a)
     TABNODE *res;
 
     if(t->last_acc < a->lim)
-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+        if((res = lh_TABNODE_delete(a->tab, t)) != NULL) {	    
+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
         if((res = LHM_lh_delete(TABNODE, a->tab, t)) != NULL) {
 #else
         if((res = lh_delete(a->tab, t)) != NULL) {
@@ -145,6 +160,10 @@ IMPLEMENT_LHASH_DOALL_ARG_FN(t_old, TABNODE, ALL_ARG)
 IMPLEMENT_LHASH_DOALL_ARG_FN(t_old, TABNODE *, ALL_ARG *)
 #endif
 
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+IMPLEMENT_LHASH_DOALL_ARG(TABNODE,ALL_ARG);
+#endif
+
 /*
  * Expire all old nodes
  */
@@ -156,14 +175,16 @@ t_expire(LHASH_OF(TABNODE) *const tab, const time_t lim)
 
     a.tab = tab;
     a.lim = lim;
-    down_load = CHECKED_LHASH_OF(TABNODE, tab)->down_load;
-    CHECKED_LHASH_OF(TABNODE, tab)->down_load = 0;
-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+    down_load = TABNODE_GET_DOWN_LOAD(tab);
+    TABNODE_SET_DOWN_LOAD(tab, 0);
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+    lh_TABNODE_doall_ALL_ARG(tab, t_old_doall_arg, &a);
+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
     LHM_lh_doall_arg(TABNODE, tab, LHASH_DOALL_ARG_FN(t_old), ALL_ARG, &a);
 #else
     lh_doall_arg(tab, LHASH_DOALL_ARG_FN(t_old), &a);
 #endif
-    CHECKED_LHASH_OF(TABNODE, tab)->down_load = down_load;
+    TABNODE_SET_DOWN_LOAD(tab, down_load);
     return;
 }
 
@@ -173,7 +194,9 @@ t_cont_doall_arg(TABNODE *t, ALL_ARG *arg)
     TABNODE *res;
 
     if(memcmp(t->content, arg->content, arg->cont_len) == 0)
-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+        if((res = lh_TABNODE_delete(arg->tab, t)) != NULL) {
+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
         if((res = LHM_lh_delete(TABNODE, arg->tab, t)) != NULL) {
 #else
         if((res = lh_delete(arg->tab, t)) != NULL) {
@@ -203,15 +226,16 @@ t_clean(LHASH_OF(TABNODE) *const tab, void *const content, const size_t cont_len
     a.tab = tab;
     a.content = content;
     a.cont_len = cont_len;
-    down_load = CHECKED_LHASH_OF(TABNODE, tab)->down_load;
-    CHECKED_LHASH_OF(TABNODE, tab)->down_load = 0;
-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+    down_load = TABNODE_GET_DOWN_LOAD(tab);
+    TABNODE_SET_DOWN_LOAD(tab, 0);
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+    lh_TABNODE_doall_ALL_ARG(tab, t_cont_doall_arg, &a);
+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
     LHM_lh_doall_arg(TABNODE, tab, LHASH_DOALL_ARG_FN(t_cont), ALL_ARG, &a);
 #else
     lh_doall_arg(tab, LHASH_DOALL_ARG_FN(t_cont), &a);
 #endif
-    CHECKED_LHASH_OF(TABNODE, tab)->down_load = down_load;
-    return;
+    TABNODE_SET_DOWN_LOAD(tab, down_load);
 }
 
 /*
@@ -1262,6 +1286,31 @@ RSA_tmp_callback(/* not used */SSL *ssl, /* not used */int is_export, int keylen
     return res;
 }
 
+static int
+generate_key(RSA **ret_rsa, unsigned long bits)
+{
+#if OPENSSL_VERSION_NUMBER > 0x00908000L
+    int rc = 0;
+    RSA *rsa;
+
+    rsa = RSA_new();
+    if (rsa) {
+	BIGNUM *bne = BN_new();
+	if (BN_set_word(bne, RSA_F4))
+	    rc = RSA_generate_key_ex(rsa, bits, bne, NULL);
+	BN_free(bne);
+	if (rc)
+	    *ret_rsa = rsa;
+	else
+	    RSA_free(rsa);
+    }
+    return rc;
+#else
+    *ret_rsa = RSA_generate_key(bits, RSA_F4, NULL, NULL);
+    return *ret_rsa != NULL;
+#endif
+}
+
 /*
  * Periodically regenerate ephemeral RSA keys
  * runs every T_RSA_KEYS seconds
@@ -1274,8 +1323,9 @@ do_RSAgen(void)
     RSA *t_RSA1024_keys[N_RSA_KEYS];
 
     for(n = 0; n < N_RSA_KEYS; n++) {
-        t_RSA512_keys[n] = RSA_generate_key(512, RSA_F4, NULL, NULL);
-        t_RSA1024_keys[n] = RSA_generate_key(1024, RSA_F4, NULL, NULL);
+        /* FIXME: Error handling */
+        generate_key(&t_RSA512_keys[n], 512);
+	generate_key(&t_RSA1024_keys[n], 1024);
     }
     if(ret_val = pthread_mutex_lock(&RSA_mut))
         logmsg(LOG_WARNING, "thr_RSAgen() lock: %s", strerror(ret_val));
@@ -1329,11 +1379,11 @@ init_timer(void)
      * Pre-generate ephemeral RSA keys
      */
     for(n = 0; n < N_RSA_KEYS; n++) {
-        if((RSA512_keys[n] = RSA_generate_key(512, RSA_F4, NULL, NULL)) == NULL) {
+        if(!generate_key(&RSA512_keys[n], 512)) {
             logmsg(LOG_WARNING,"RSA_generate(%d, 512) failed", n);
             return;
         }
-        if((RSA1024_keys[n] = RSA_generate_key(1024, RSA_F4, NULL, NULL)) == NULL) {
+        if(!generate_key(&RSA1024_keys[n], 1024)) {
             logmsg(LOG_WARNING,"RSA_generate(%d, 1024) failed", n);
             return;
         }
@@ -1420,6 +1470,10 @@ IMPLEMENT_LHASH_DOALL_ARG_FN(t_dump, TABNODE, DUMP_ARG)
 IMPLEMENT_LHASH_DOALL_ARG_FN(t_dump, TABNODE *, DUMP_ARG *)
 #endif
 
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+IMPLEMENT_LHASH_DOALL_ARG(TABNODE,DUMP_ARG);
+#endif
+	
 /*
  * write sessions to the control socket
  */
@@ -1430,7 +1484,9 @@ dump_sess(const int control_sock, LHASH_OF(TABNODE) *const sess, BACKEND *const
 
     a.control_sock = control_sock;
     a.backends = backends;
-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+    lh_TABNODE_doall_DUMP_ARG(sess, t_dump_doall_arg, &a);
+#elif OPENSSL_VERSION_NUMBER >= 0x10000000L
     LHM_lh_doall_arg(TABNODE, sess, LHASH_DOALL_ARG_FN(t_dump), DUMP_ARG, &a);
 #else
     lh_doall_arg(sess, LHASH_DOALL_ARG_FN(t_dump), &a);
@@ -1664,6 +1720,13 @@ thr_control(void *arg)
     }
 }
 
+#ifndef SSL3_ST_SR_CLNT_HELLO_A
+# define SSL3_ST_SR_CLNT_HELLO_A (0x110|SSL_ST_ACCEPT)
+#endif
+#ifndef SSL23_ST_SR_CLNT_HELLO_A
+# define SSL23_ST_SR_CLNT_HELLO_A (0x210|SSL_ST_ACCEPT)
+#endif
+		
 void
 SSLINFO_callback(const SSL *ssl, int where, int rc)
 {