From 26efe79ce312ab474d783980c0965031a5e8445d Mon Sep 17 00:00:00 2001
From: Kozlov Dmitry <xeb@mail.ru>
Date: Tue, 20 Nov 2012 15:28:06 +0400
Subject: chap-secrets: implemented encryption

---
 accel-pppd/main.c | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

(limited to 'accel-pppd/main.c')

diff --git a/accel-pppd/main.c b/accel-pppd/main.c
index e153caf4..369311c7 100644
--- a/accel-pppd/main.c
+++ b/accel-pppd/main.c
@@ -4,6 +4,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <errno.h>
+#include <pthread.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
 #include <sys/resource.h>
@@ -17,6 +18,43 @@
 static char *pid_file;
 static char *conf_file;
 
+#ifdef CRYPTO_OPENSSL
+#include <openssl/ssl.h>
+
+static pthread_mutex_t *ssl_lock_cs;
+
+static unsigned long ssl_thread_id(void)
+{
+	return (unsigned long)pthread_self();
+}
+
+static void ssl_lock(int mode, int type, const char *file, int line)
+{
+	if (mode & CRYPTO_LOCK)
+		pthread_mutex_lock(&ssl_lock_cs[type]);
+	else
+		pthread_mutex_unlock(&ssl_lock_cs[type]);
+}
+
+static void openssl_init(void)
+{
+	int i;
+
+	SSL_library_init();
+	SSL_load_error_strings();
+	OpenSSL_add_all_algorithms();
+	OpenSSL_add_all_digests();
+
+	ssl_lock_cs = OPENSSL_malloc(CRYPTO_num_locks() * sizeof(pthread_mutex_t));
+
+	for (i = 0; i < CRYPTO_num_locks(); i++)
+		pthread_mutex_init(&ssl_lock_cs[i], NULL);
+
+	CRYPTO_set_id_callback(ssl_thread_id);
+	CRYPTO_set_locking_callback(ssl_lock);
+}
+#endif
+
 static void change_limits(void)
 {
 	FILE *f;
@@ -114,6 +152,10 @@ int main(int argc, char **argv)
 
 	change_limits();
 
+#ifdef CRYPTO_OPENSSL
+	openssl_init();
+#endif
+
 	if (triton_load_modules("modules"))
 		return EXIT_FAILURE;
 
-- 
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