Init Repo

2019-09-06 23:53:10 +08:00
commit f0ef89dfbb
7905 changed files with 914138 additions and 0 deletions
--- a/vendor/swoole/examples/ssl/client.c
+++ b/vendor/swoole/examples/ssl/client.c
@ -0,0 +1,128 @@
+/**
+ * gcc -g -o client client.c -lssl -lcrypt -lcrypto
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <unistd.h>
+#include <malloc.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <resolv.h>
+#include <netdb.h>
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+
+#define FAIL    -1
+
+int OpenConnection(const char *hostname, int port)
+{
+    int sd;
+    struct hostent *host;
+    struct sockaddr_in addr;
+    if ((host = gethostbyname(hostname)) == NULL)
+    {
+        printf("Eroor: %s\n", hostname);
+        perror(hostname);
+        abort();
+    }
+
+    sd = socket(PF_INET, SOCK_STREAM, 0);
+    bzero(&addr, sizeof(addr));
+    addr.sin_family = AF_INET;
+    addr.sin_port = htons(port);
+    addr.sin_addr.s_addr = *(long*) (host->h_addr);
+
+    if (connect(sd, (struct sockaddr*) &addr, sizeof(addr)) != 0)
+    {
+        close(sd);
+        perror(hostname);
+        abort();
+    }
+    return sd;
+}
+
+SSL_CTX* InitCTX(void)
+{
+    SSL_METHOD *method;
+    SSL_CTX *ctx;
+    OpenSSL_add_all_algorithms(); /* Load cryptos, et.al. */
+    SSL_load_error_strings(); /* Bring in and register error messages */
+
+//    method = SSLv3_client_method(); /* Create new client-method instance */
+    method = TLSv1_2_client_method();
+
+    ctx = SSL_CTX_new(method); /* Create new context */
+    if (ctx == NULL)
+    {
+        ERR_print_errors_fp(stderr);
+        printf("Eroor: %s\n", stderr);
+        abort();
+    }
+    return ctx;
+}
+
+void ShowCerts(SSL* ssl)
+{
+    X509 *cert;
+    char *line;
+
+    cert = SSL_get_peer_certificate(ssl); /* Get certificates (if available) */
+    if (cert != NULL)
+    {
+        printf("Server certificates:\n");
+        line = X509_NAME_oneline(X509_get_subject_name(cert), 0, 0);
+        printf("Subject: %s\n", line);
+        free(line);
+        line = X509_NAME_oneline(X509_get_issuer_name(cert), 0, 0);
+        printf("Issuer: %s\n", line);
+        free(line);
+        X509_free(cert);
+    }
+    else
+        printf("No certificates.\n");
+}
+
+int main(int count, char *strings[])
+{
+    SSL_CTX *ctx;
+    int server;
+    SSL *ssl;
+    char buf[1024];
+    int bytes;
+    char *hostname, *portnum;
+    if (count != 3)
+    {
+        printf("usage: %s <hostname> <portnum>\n", strings[0]);
+        exit(0);
+    }
+
+    SSL_library_init();
+    hostname = strings[1];
+    portnum = strings[2];
+    ctx = InitCTX();
+    server = OpenConnection(hostname, atoi(portnum));
+
+    ssl = SSL_new(ctx); /* create new SSL connection state */
+    SSL_set_fd(ssl, server); /* attach the socket descriptor */
+    TLSv1_2_client_method();
+    if (SSL_connect(ssl) == FAIL) /* perform the connection */
+    {
+        printf("Eroor: %s\n", stderr);
+        ERR_print_errors_fp(stderr);
+    }
+    else
+    {
+        char *msg = "HelloWorld";
+        printf("Connected with %s encryption\n", SSL_get_cipher(ssl));
+        ShowCerts(ssl); /* get any certs */
+        SSL_write(ssl, msg, strlen(msg)); /* encrypt & send message */
+        bytes = SSL_read(ssl, buf, sizeof(buf)); /* get reply & decrypt */
+        buf[bytes] = 0;
+        printf("Received: \"%s\"\n", buf);
+        SSL_free(ssl); /* release connection state */
+    }
+    close(server); /* close socket */
+    SSL_CTX_free(ctx); /* release context */
+    return 0;
+}