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

5 files changed, 256 insertions, 0 deletions

diff --git a/src/common/Makefile.am b/src/common/Makefile.am
index c883e02..391f35a 100755
--- a/src/common/Makefile.am
+++ b/src/common/Makefile.am
@@ -9,6 +9,7 @@ libcommon_la_SOURCES =					\
 	extstr.h extstr.c					\
 	leb128.h leb128.c					\
 	macros.h							\
+	net.h net.c							\
 	xml.h xml.c
 
 libcommon_la_LDFLAGS = $(LIBGTK_LIBS) $(LIBXML_LIBS)
diff --git a/src/common/endianness.c b/src/common/endianness.c
index 0b7e192..15ca52a 100755
--- a/src/common/endianness.c
+++ b/src/common/endianness.c
@@ -25,6 +25,7 @@
 
 
 #include <stdarg.h>
+#include <string.h>
 
 
 
@@ -323,6 +324,94 @@ bool read_u64(uint64_t *target, const bin_t *data, off_t *pos, off_t len, Source
 }
 
 
+
+
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : value  = source de la valeur à transcrire.                   *
+*                size   = taille de cette source de données.                  *
+*                data   = flux de données à modifier. [OUT]                   *
+*                pos    = position courante dans ce flux. [OUT]               *
+*                len    = taille totale des données à analyser.               *
+*                endian = ordre des bits dans la source.                      *
+*                                                                             *
+*  Description : Ecrit un nombre non signé sur n octets.                      *
+*                                                                             *
+*  Retour      : Bilan de l'opération : true en cas de succès, false sinon.   *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool _write_un(const bin_t *value, size_t size, bin_t *data, off_t *pos, off_t len, SourceEndian endian)
+{
+    size_t i;                               /* Boucle de parcours          */
+
+    if (*pos < 0) return false;
+    if ((len - *pos) < size) return false;
+
+    switch (endian)
+    {
+        case SRE_LITTLE:
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+
+            memcpy(&data[*pos], value, size);
+            (*pos) += size;
+
+#elif __BYTE_ORDER == __BIG_ENDIAN
+
+            for (i = 0; i < size; i++, (*pos)++)
+                *(data + *pos) = *(value + size - i - 1);
+
+#else
+
+#   error "TODO : PDP !"
+
+#endif
+
+            break;
+
+        case SRE_MIDDLE:
+            return false;   /* TODO ! */
+            break;
+
+        case SRE_BIG:
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+
+            for (i = 0; i < size; i++, (*pos)++)
+                *(data + *pos) = *(value + size - i - 1);
+
+#elif __BYTE_ORDER == __BIG_ENDIAN
+
+            memcpy(&data[*pos], value, size);
+            (*pos) += size;
+
+#else
+
+#   error "TODO : PDP !"
+
+#endif
+
+            break;
+
+    }
+
+    return true;
+
+}
+
+
+
+
+
+
+
+
 /******************************************************************************
 *                                                                             *
 *  Paramètres  : target = lieu d'enregistrement de la lecture. [OUT]          *
diff --git a/src/common/endianness.h b/src/common/endianness.h
index 0664d6a..e4aca6e 100755
--- a/src/common/endianness.h
+++ b/src/common/endianness.h
@@ -65,6 +65,33 @@ bool read_u64(uint64_t *, const bin_t *, off_t *, off_t, SourceEndian);
 #define read_s64(target, data, pos, len, endian) read_u64((uint64_t *)target, data, pos, len, endian)
 
 
+
+/* Ecrit un nombre non signé sur n octets. */
+bool _write_un(const bin_t *, size_t, bin_t *, off_t *, off_t, SourceEndian);
+
+
+#define write_un(value, data, pos, len, endian, type)                       \
+    ({                                                                      \
+        type __tmp;                                                         \
+        (void)(value == &__tmp);                                            \
+        _write_un((bin_t *)value, sizeof(type), data, pos, len, endian);    \
+    })
+
+
+#define write_u8(value, data, pos, len, endian) write_un(value, data, pos, len, endian, uint8_t)
+#define write_u16(value, data, pos, len, endian) write_un(value, data, pos, len, endian, uint16_t)
+#define write_u32(value, data, pos, len, endian) write_un(value, data, pos, len, endian, uint32_t)
+#define write_u64(value, data, pos, len, endian) write_un(value, data, pos, len, endian, uint64_t)
+
+#define write_s8(value, data, pos, len, endian) write_un(value, data, pos, len, endian, sint8_t)
+#define write_s16(value, data, pos, len, endian) write_un(value, data, pos, len, endian, sint16_t)
+#define write_s32(value, data, pos, len, endian) write_un(value, data, pos, len, endian, sint32_t)
+#define write_s64(value, data, pos, len, endian) write_un(value, data, pos, len, endian, sint64_t)
+
+
+
+
+
 /* Lit un nombre hexadécimal non signé sur deux octets. */
 bool strtou8(uint8_t *, const char *, size_t *, size_t, SourceEndian);
 
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;
+
+}
diff --git a/src/common/net.h b/src/common/net.h
new file mode 100644
index 0000000..fbfe6e0
--- /dev/null
+++ b/src/common/net.h
@@ -0,0 +1,37 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * net.h - prototypes pour les 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/>.
+ */
+
+
+#ifndef _COMMON_NET_H
+#define _COMMON_NET_H
+
+
+#include <netdb.h>
+
+
+
+/* Ouvre une connexion TCP à un serveur quelconque. */
+int connect_via_tcp(const char *, const char *, struct sockaddr_in *);
+
+
+
+#endif  /* _COMMON_NET_H */