From f96d2f6a956fa919cf3a9ef2d9777da8c79c653b Mon Sep 17 00:00:00 2001
From: PowerJJJ6669991819
 <127295546+PowerJJJ6669991819@users.noreply.github.com>
Date: Fri, 7 Apr 2023 20:57:49 +0800
Subject: [PATCH] demos_tlcp_server_connection (#1439)

* Create tlcp_server_connect.c

* Create double_certs.pem

* Create signkey.pem

* Create enckey.pem

* Create cacert.pem

* Delete cacert.pem

* Delete double_certs.pem

* Delete enckey.pem

* Delete signkey.pem

* Delete tlcp_server_connect.c

* Create demo_tlcp_server_connect.c

* Create tlcp_server_double_certs.pem

* Create tlcp_server_signkey.pem

* Create tlcp_server_enckey.pem

* Create tlcp_server_cacert.pem

* Delete tlcp_server_cacert.pem

* Delete tlcp_server_double_certs.pem

* Delete tlcp_server_enckey.pem

* Delete tlcp_server_signkey.pem

* Create tlcp_server_double_certs.pem

* Create tlcp_server_signkey.pem

* Create tlcp_server_enckey.pem

* Create tlcp_server_cacert.pem

* Delete tlcp_server_cacert.pem

* Delete tlcp_server_double_certs.pem

* Delete tlcp_server_enckey.pem

* Delete tlcp_server_signkey.pem

* Update demo_tlcp_server_connect.c
---
 demos/src/demo_tlcp_server_connect.c | 106 +++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 demos/src/demo_tlcp_server_connect.c

diff --git a/demos/src/demo_tlcp_server_connect.c b/demos/src/demo_tlcp_server_connect.c
new file mode 100644
index 00000000..546986cb
--- /dev/null
+++ b/demos/src/demo_tlcp_server_connect.c
@@ -0,0 +1,106 @@
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <arpa/inet.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <gmssl/mem.h>
+#include <gmssl/sm2.h>
+#include <gmssl/tls.h>
+#include <gmssl/error.h>
+#include <gmssl/pem.h>
+
+int main(int argc,char *argv[]){
+
+    int ret = 1;
+	char *prog = argv[0];
+	char *signpass = "1234";
+	char *encpass = "1234";
+
+	int server_ciphers[] = { TLS_cipher_ecc_sm4_cbc_sm3, };
+	uint8_t verify_buf[4096];
+
+	TLS_CTX ctx;
+	TLS_CONNECT conn;
+	char buf[1600] = {0};
+	size_t len = sizeof(buf);
+
+	int sock;
+	struct sockaddr_in server_addr;//服务端地址
+	struct sockaddr_in client_addr;//客户端地址
+	socklen_t client_addrlen;
+	int conn_sock;
+
+	//证书和密钥使用/demos/scripts/tlcp_server.sh生成
+	char* certfile="double_certs.pem";
+	char* signkeyfile="signkey.pem";
+	char* enckeyfile="enckey.pem";
+	char* cacertfile="cacert.pem";
+
+
+	if(argc < 3)
+    {
+    	fprintf(stderr,"usage %s ip port \n",argv[0]);
+    	return -1;
+    }
+
+	memset(&ctx, 0, sizeof(ctx));
+	memset(&conn, 0, sizeof(conn));
+
+	if (tls_ctx_init(&ctx, TLS_protocol_tlcp, TLS_server_mode) != 1
+		|| tls_ctx_set_cipher_suites(&ctx, server_ciphers, sizeof(server_ciphers)/sizeof(int)) != 1
+		|| tls_ctx_set_tlcp_server_certificate_and_keys(&ctx, certfile, signkeyfile, signpass, enckeyfile, encpass) != 1) {
+		error_print();
+		return -1;
+	}
+	if (cacertfile) {
+		if (tls_ctx_set_ca_certificates(&ctx, cacertfile, TLS_DEFAULT_VERIFY_DEPTH) != 1) {
+			error_print();
+			return -1;
+		}
+	}
+	if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		error_print();
+		return 1;
+	}
+
+    server_addr.sin_family = AF_INET;
+    server_addr.sin_port = htons(atoi(argv[2]));
+    server_addr.sin_addr.s_addr = inet_addr(argv[1]);
+
+    if (bind(sock, (struct sockaddr *)&server_addr, sizeof(server_addr)) < 0) {
+        error_print();
+        perror("tlcp_accept: bind: ");
+    }
+
+    puts("start listen ...\n");
+    listen(sock, 1);
+    client_addrlen = sizeof(client_addr);
+
+    if ((conn_sock = accept(sock, (struct sockaddr *)&client_addr, &client_addrlen)) < 0) {
+        error_print();
+    }
+
+    puts("socket connected\n");
+    printf("client ip : %s\nport %d\n",inet_ntoa(client_addr.sin_addr),ntohs(client_addr.sin_port));
+
+
+	if (tls_init(&conn, &ctx) != 1
+		|| tls_set_socket(&conn, conn_sock) != 1) {
+		error_print();
+		return -1;
+	}
+	printf("tlcp_init finished\n");
+	if (tls_do_handshake(&conn) == 1) {
+		return 0;
+	}	
+	else {
+		error_print(); 
+		return -1;
+	}
+
+	return 0;
+}