From 7738a150d04eeeb221a5d67c2c636df51107673f Mon Sep 17 00:00:00 2001
From: LuckyPowerfuljjj <119035666+LuckyPowerfuljjj@users.noreply.github.com>
Date: Fri, 7 Apr 2023 20:57:24 +0800
Subject: [PATCH] demos_tlcp_client_connection (#1440)

* Create tlcp_client_connect.c

* Create rootcacert.pem

* Create clientcert.pem

* Create clientkey.pem

* Create url_parser.h

* Delete clientcert.pem

* Delete clientkey.pem

* Delete rootcacert.pem

* Delete tlcp_client_connect.c

* Delete url_parser.h

* Create tlcp_client_rootcacert.pem

* Create tlcp_client_cert.pem

* Create tlcp_client_key.pem

* Create demo_tlcp_client_connect.c

* Delete tlcp_client_cert.pem

* Delete tlcp_client_key.pem

* Delete tlcp_client_rootcacert.pem

* Update demo_tlcp_client_connect.c
---
 demos/src/demo_tlcp_client_connect.c | 91 ++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 demos/src/demo_tlcp_client_connect.c

diff --git a/demos/src/demo_tlcp_client_connect.c b/demos/src/demo_tlcp_client_connect.c
new file mode 100644
index 00000000..1fc27b86
--- /dev/null
+++ b/demos/src/demo_tlcp_client_connect.c
@@ -0,0 +1,91 @@
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <netdb.h>
+#include <sys/types.h>
+#include <arpa/inet.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <gmssl/tls.h>
+#include <gmssl/error.h>
+#define TLS_DEFAULT_VERIFY_DEPTH	4
+
+int main(int argc, char *argv[])
+{
+    int ret = -1;
+    char *prog = argv[0];
+    const int cipher = TLS_cipher_ecc_sm4_cbc_sm3;
+    struct hostent *hp;
+    struct sockaddr_in server;
+    int sock;
+    TLS_CTX ctx;
+    TLS_CONNECT conn;
+    char request[1024];
+    uint8_t buf[16800];
+    char *p;
+    size_t len;
+	
+    //证书和密钥使用/demos/scripts/tlcp_server.sh生成
+    char* cacertfile="rootcacert.pem";
+    char* certfile="clientcert.pem";
+    char* keyfile="clientkey.pem";
+    char *pass = "1234";
+    if(argc < 3)
+    {
+    	fprintf(stderr,"usage %s ip port \n",argv[0]);
+    	return -1;
+    }
+    server.sin_family = AF_INET;
+    server.sin_port = htons(atoi(argv[2]));
+    server.sin_addr.s_addr = inet_addr(argv[1]);
+    if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+        perror("socket");
+        printf("创建socket错误");
+        goto end;
+    }
+    if (connect(sock, (struct sockaddr *)&server , sizeof(server)) < 0) {//去连接服务器
+        perror("connect");
+        printf("socket连接失败");
+        goto end;
+    }
+
+
+	memset(&ctx, 0, sizeof(ctx));
+	memset(&conn, 0, sizeof(conn));
+
+	tls_ctx_init(&ctx, TLS_protocol_tlcp, TLS_client_mode);
+	tls_ctx_set_cipher_suites(&ctx, &cipher, 1);
+
+	if (cacertfile) {
+		if (tls_ctx_set_ca_certificates(&ctx, cacertfile, TLS_DEFAULT_VERIFY_DEPTH) != 1) {
+			fprintf(stderr, "%s: context init error\n", prog);
+			goto end;
+		}
+	}
+	if (certfile) {
+		if (tls_ctx_set_certificate_and_key(&ctx, certfile, keyfile, pass) != 1) {
+			fprintf(stderr, "%s: context init error\n", prog);
+			goto end;
+		}
+	}
+
+    tls_init(&conn, &ctx);
+	tls_set_socket(&conn, sock);
+
+
+    if(tls_do_handshake(&conn) == 1)
+    {
+        return 0;
+    }
+	else {//握手
+		fprintf(stderr, "%s: error\n", prog);
+		goto end;
+	}
+end:
+    close(sock);
+	tls_ctx_cleanup(&ctx);
+	tls_cleanup(&conn);
+    return 0;
+}