#include <gnutls/gnutls.h>
#include <zlib.h>
#include "decfile.h"
+#include "rnet_message.h"
+#include "rnet_encode.h"
static void * get_creds(char *certfile)
{
zstrm.opaque = Z_NULL;
if ((r = inflateInit(&zstrm)) != Z_OK)
return -1;
- *olen = (buffer[3] << 8 & buffer[4]);
+ *olen = (buffer[3] << 8 | buffer[4]);
*out = malloc(*olen);
if (!out) {
inflateEnd(&zstrm);
exit(1);
}
+static int rnet_send(gnutls_session_t session, char *buffer, size_t len)
+{
+ char *out;
+ size_t olen;
+ deflateRecord(buffer, len, &out, &olen);
+ gnutls_record_send(session, out, olen);
+ free(out);
+ return 0;
+}
+
+static int rnet_recv(gnutls_session_t session, struct rnet_message **message)
+{
+ char *out;
+ size_t olen;
+ int r;
+ char *buffer;
+ size_t len;
+ rnet_message_expand(message, 6);
+ buffer = (*message)->buffer;
+ r = gnutls_record_recv(session, buffer, 6);
+ len = (buffer[1] << 8 | buffer[2]);
+ rnet_message_expand(message, len);
+ buffer = (*message)->buffer + 6;
+ r = gnutls_record_recv(session, buffer, len);
+ inflateRecord(buffer - 6, len + 6, &out, &olen);
+ rnet_message_del(*message);
+ *message = NULL;
+ rnet_message_expand(message, olen);
+ memcpy((*message)->buffer, out, olen);
+ (*message)->len = olen;
+ free(out);
+ return 0;
+}
+
int main(int argc, char **argv)
{
int c;
int r;
- char buffer[2048];
- char *out;
- size_t olen;
struct rnet_decfile *decfile;
+ struct rnet_message *message = NULL;
gnutls_session_t session;
+ int finish = 0;
if (argc < 2) {
usage();
if ((r = gnutls_handshake(session)) < 0)
fprintf(stderr, "error in handshake: %s\n",
gnutls_strerror(r));
- else
- fprintf(stderr, "handshake ok\n");
- r = read(0, buffer, sizeof(buffer));
- deflateRecord(buffer, r, &out, &olen);
- gnutls_record_send(session, out, olen);
- free(out);
- while ((r = gnutls_record_recv(session, buffer, sizeof(buffer))) > 0)
- write(1, buffer, r);
- close(c);
- rnet_decfile_close(decfile);
+ rnet_encode(decfile, &message);
+ rnet_send(session, message->buffer, message->len);
+ rnet_message_del(message);
+
+ message = NULL;
+ r = rnet_recv(session, &message);
+ if (r || !message || message->len == 0) {
+ fprintf(stderr, "error when receiving response\n");
+ goto out;
+ }
+ write(1, message->buffer, message->len);
+ switch (message->buffer[0]) {
+ case 1: /* go ahead */
+ break;
+ case 3: /* error */
+ finish = 1;
+ break;
+ case 2:
+ case 4:
+ case 5:
+ finish = 1;
+ break;
+ }
+ rnet_message_del(message);
+
+ if (finish)
+ goto out;
+ message = rnet_decfile_get_file(decfile);
+ rnet_send(session, message->buffer, message->len);
+
+ message = NULL;
+ r = rnet_recv(session, &message);
+ if (r || !message || message->len == 0) {
+ fprintf(stderr, "error when receiving response\n");
+ goto out;
+ }
+ write(1, message->buffer, message->len);
+ switch (message->buffer[0]) {
+ case 3: /* error */
+ finish = 1;
+ break;
+ case 2:
+ case 4:
+ case 5:
+ case 1:
+ finish = 1;
+ break;
+ }
+
+out:
+ gnutls_bye(session, GNUTLS_SHUT_RDWR);
+ close(c);
+ rnet_decfile_close(decfile);
gnutls_global_deinit();
return 0;