Provided a real welcome panel at startup, with tricks and actions.

5 files changed, 177 insertions, 0 deletions

diff --git a/src/common/Makefile.am b/src/common/Makefile.am
index 9e9969d..02c1718 100755
--- a/src/common/Makefile.am
+++ b/src/common/Makefile.am
@@ -16,6 +16,7 @@ libcommon_la_SOURCES =					\
 	macros.h							\
 	net.h net.c							\
 	pathname.h pathname.c				\
+	shuffle.h shuffle.c					\
 	sort.h sort.c						\
 	sqlite.h sqlite.c					\
 	xdg.h xdg.c							\
diff --git a/src/common/net.c b/src/common/net.c
index aba5ba2..b741883 100644
--- a/src/common/net.c
+++ b/src/common/net.c
@@ -24,6 +24,7 @@
 #include "net.h"
 
 
+#include <errno.h>
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
@@ -100,3 +101,59 @@ int connect_via_tcp(const char *server, const char *port, struct sockaddr_in *ad
     return result;
 
 }
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : sock   = nom ou adresse du serveur à contacter.              *
+*                buffer = tampon pour la réception des données. [OUT]         *
+*                max    = taille prévue pour ce tampon.                       *
+*                len    = quantité de données effectivement reçues. [OUT]     *
+*                                                                             *
+*  Description : Reçoit du réseau autant de données que possible.             *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool recv_all(int sock, char *buffer, size_t max, size_t *len)
+{
+    bool result;                            /* Bilan global à retourner    */
+    ssize_t ret;                            /* Bilan d'un appel            */
+
+    result = true;
+
+    buffer[0] = '\0';
+    max--;  /* '\0' final */
+    *len = 0;
+
+    do
+    {
+        ret = recv(sock, buffer + *len, max, *len > 0 ? MSG_DONTWAIT : 0);
+
+        printf("ret = %zd\n", ret);
+
+        if (ret == -1 && *len == 0)
+        {
+            if (errno == EAGAIN || errno == EWOULDBLOCK)
+                continue;
+            else
+                result = false;
+        }
+
+        else if (ret > 0)
+        {
+            max -= ret;
+            *len += ret;
+        }
+
+    }
+    while (ret > 0);
+
+    buffer[*len] = '\0';
+
+    return result;
+
+}
diff --git a/src/common/net.h b/src/common/net.h
index 80f7496..d9ec6f9 100644
--- a/src/common/net.h
+++ b/src/common/net.h
@@ -26,12 +26,16 @@
 
 
 #include <netdb.h>
+#include <stdbool.h>
 
 
 
 /* Ouvre une connexion TCP à un serveur quelconque. */
 int connect_via_tcp(const char *, const char *, struct sockaddr_in *);
 
+/* Reçoit du réseau autant de données que possible. */
+bool recv_all(int, char *, size_t, size_t *);
+
 
 
 #endif  /* _COMMON_NET_H */
diff --git a/src/common/shuffle.c b/src/common/shuffle.c
new file mode 100644
index 0000000..6b20866
--- /dev/null
+++ b/src/common/shuffle.c
@@ -0,0 +1,78 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * shuffle.c - permtutation aléatoire des éléments d'un ensemble fini
+ *
+ * Copyright (C) 2016 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  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 "shuffle.h"
+
+
+#include <malloc.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : panel = instance d'objet GLib à traiter.                     *
+*                                                                             *
+*  Description : Mélange le contenu d'une liste.                              *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+void shuffle(void *base, size_t nmemb, size_t size)
+{
+    char *list;                             /* Conversion pour le confort  */
+    char *tmp;                              /* Lieu de transition          */
+    size_t i;                               /* Boucle de parcours          */
+    size_t j;                               /* Emplacement aléatoire       */
+
+    /**
+     * Application de l'algorithme Fisher-Yates.
+     *
+     * Cf. https://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle
+     */
+
+    if (nmemb > 1)
+    {
+        list = (char *)base;
+
+        tmp = malloc(size);
+
+        for (i = 0; i < (nmemb - 1); i++)
+        {
+            j = i + rand() % (nmemb - i);
+
+            memcpy(tmp, list + i * size, size);
+            memcpy(list + i * size, list + j * size, size);
+            memcpy(list + j * size, tmp, size);
+
+        }
+
+        free(tmp);
+
+    }
+
+}
diff --git a/src/common/shuffle.h b/src/common/shuffle.h
new file mode 100644
index 0000000..c1a0367
--- /dev/null
+++ b/src/common/shuffle.h
@@ -0,0 +1,37 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * shuffle.h - prototypes pour la permtutation aléatoire des éléments d'un ensemble fini
+ *
+ * Copyright (C) 2016 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  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_SHUFFLE_H
+#define _COMMON_SHUFFLE_H
+
+
+#include <sys/types.h>
+
+
+
+/* Mélange le contenu d'une liste. */
+void shuffle(void *, size_t, size_t);
+
+
+
+#endif  /* _COMMON_SHUFFLE_H */