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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/demos/bio/sconnect.c
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Diffstat (limited to 'openssl/demos/bio/sconnect.c')
-rw-r--r--openssl/demos/bio/sconnect.c121
1 files changed, 121 insertions, 0 deletions
diff --git a/openssl/demos/bio/sconnect.c b/openssl/demos/bio/sconnect.c
new file mode 100644
index 000000000..880344eb7
--- /dev/null
+++ b/openssl/demos/bio/sconnect.c
@@ -0,0 +1,121 @@
+/* NOCW */
+/* demos/bio/sconnect.c */
+
+/* A minimal program to do SSL to a passed host and port.
+ * It is actually using non-blocking IO but in a very simple manner
+ * sconnect host:port - it does a 'GET / HTTP/1.0'
+ *
+ * cc -I../../include sconnect.c -L../.. -lssl -lcrypto
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <openssl/err.h>
+#include <openssl/ssl.h>
+
+extern int errno;
+
+int main(argc,argv)
+int argc;
+char *argv[];
+ {
+ char *host;
+ BIO *out;
+ char buf[1024*10],*p;
+ SSL_CTX *ssl_ctx=NULL;
+ SSL *ssl;
+ BIO *ssl_bio;
+ int i,len,off,ret=1;
+
+ if (argc <= 1)
+ host="localhost:4433";
+ else
+ host=argv[1];
+
+#ifdef WATT32
+ dbug_init();
+ sock_init();
+#endif
+
+ /* Lets get nice error messages */
+ SSL_load_error_strings();
+
+ /* Setup all the global SSL stuff */
+ OpenSSL_add_ssl_algorithms();
+ ssl_ctx=SSL_CTX_new(SSLv23_client_method());
+
+ /* Lets make a SSL structure */
+ ssl=SSL_new(ssl_ctx);
+ SSL_set_connect_state(ssl);
+
+ /* Use it inside an SSL BIO */
+ ssl_bio=BIO_new(BIO_f_ssl());
+ BIO_set_ssl(ssl_bio,ssl,BIO_CLOSE);
+
+ /* Lets use a connect BIO under the SSL BIO */
+ out=BIO_new(BIO_s_connect());
+ BIO_set_conn_hostname(out,host);
+ BIO_set_nbio(out,1);
+ out=BIO_push(ssl_bio,out);
+
+ p="GET / HTTP/1.0\r\n\r\n";
+ len=strlen(p);
+
+ off=0;
+ for (;;)
+ {
+ i=BIO_write(out,&(p[off]),len);
+ if (i <= 0)
+ {
+ if (BIO_should_retry(out))
+ {
+ fprintf(stderr,"write DELAY\n");
+ sleep(1);
+ continue;
+ }
+ else
+ {
+ goto err;
+ }
+ }
+ off+=i;
+ len-=i;
+ if (len <= 0) break;
+ }
+
+ for (;;)
+ {
+ i=BIO_read(out,buf,sizeof(buf));
+ if (i == 0) break;
+ if (i < 0)
+ {
+ if (BIO_should_retry(out))
+ {
+ fprintf(stderr,"read DELAY\n");
+ sleep(1);
+ continue;
+ }
+ goto err;
+ }
+ fwrite(buf,1,i,stdout);
+ }
+
+ ret=1;
+
+ if (0)
+ {
+err:
+ if (ERR_peek_error() == 0) /* system call error */
+ {
+ fprintf(stderr,"errno=%d ",errno);
+ perror("error");
+ }
+ else
+ ERR_print_errors_fp(stderr);
+ }
+ BIO_free_all(out);
+ if (ssl_ctx != NULL) SSL_CTX_free(ssl_ctx);
+ exit(!ret);
+ return(ret);
+ }
+