Supported a first basic packet of the Java Debug Wire Protocol.

git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@204 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a

1 files changed, 102 insertions, 0 deletions

diff --git a/src/common/net.c b/src/common/net.c
new file mode 100644
index 0000000..79a5883
--- /dev/null
+++ b/src/common/net.c
@@ -0,0 +1,102 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * net.c - fonctions complémentaires liées au réseau
+ *
+ * Copyright (C) 2010 Cyrille Bagard
+ *
+ *  This file is part of OpenIDA.
+ *
+ *  OpenIDA is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  OpenIDA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "net.h"
+
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : server = nom ou adresse du serveur à contacter.              *
+*                port   = port de connexion.                                  *
+*                addr   = éventuelle remontée d'informations. [OUT]           *
+*                                                                             *
+*  Description : Ouvre une connexion TCP à un serveur quelconque.             *
+*                                                                             *
+*  Retour      : Flux ouvert en lecture/écriture ou -1 en cas d'échec.        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+int connect_via_tcp(const char *server, const char *port, struct sockaddr_in *addr)
+{
+    int result;                             /* Bilan à retourner           */
+    struct addrinfo hints;                  /* Type de connexion souhaitée */
+    struct addrinfo *infos;                 /* Informations disponibles    */
+    int ret;                                /* Bilan d'un appel            */
+    struct addrinfo *iter;                  /* Boucle de parcours          */
+
+    memset(&hints, 0, sizeof(struct addrinfo));
+
+    hints.ai_family = AF_UNSPEC;        /* IPv4 ou IPv6 */
+    hints.ai_socktype = SOCK_STREAM;
+    hints.ai_flags = 0;
+    hints.ai_protocol = 0;              /* N'importe quel protocole */
+
+    ret = getaddrinfo(server, port, &hints, &infos);
+    if (ret != 0)
+    {
+        fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(ret));
+        return -1;
+    }
+
+    for (iter = infos; iter != NULL; iter = iter->ai_next)
+    {
+        result = socket(iter->ai_family, iter->ai_socktype, iter->ai_protocol);
+        if (result == -1) continue;
+
+        ret = connect(result, iter->ai_addr, iter->ai_addrlen);
+        if (ret == 0) break;
+
+        perror("connect");
+        close(result);
+
+    }
+
+    freeaddrinfo(infos);
+
+    if (iter == NULL) return -1;
+
+    if (addr != NULL)
+    {
+        ret = getpeername(result, (struct sockaddr *)addr,
+                          (socklen_t []){ sizeof(struct sockaddr_in) });
+
+        if (ret == -1)
+        {
+            perror("getpeername");
+            close(result);
+            return -1;
+        }
+
+    }
+
+    return result;
+
+}