Add Network module; minor cleanups

1 files changed, 306 insertions, 0 deletions

diff --git a/hardinfo2/network.c b/hardinfo2/network.c
new file mode 100644
index 00000000..10b291bd
--- /dev/null
+++ b/hardinfo2/network.c
@@ -0,0 +1,306 @@
+/*
+ *    HardInfo - Displays System Information
+ *    Copyright (C) 2003-2008 Leandro A. F. Pereira <leandro@hardinfo.org>
+ *
+ *    This program 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, version 2.
+ *
+ *    This program 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 this program; if not, write to the Free Software
+ *    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <gtk/gtk.h>
+#include <config.h>
+#include <time.h>
+#include <string.h>
+#include <sys/utsname.h>
+#include <sys/stat.h>
+
+#include <hardinfo.h>
+#include <iconcache.h>
+#include <shell.h>
+
+#include <vendor.h>
+
+static GHashTable *moreinfo = NULL;
+
+/* Callbacks */
+gchar *callback_network();
+gchar *callback_route();
+gchar *callback_dns();
+gchar *callback_connections();
+gchar *callback_shares();
+gchar *callback_arp();
+
+/* Scan callbacks */
+void scan_network(gboolean reload);
+void scan_route(gboolean reload);
+void scan_dns(gboolean reload);
+void scan_connections(gboolean reload);
+void scan_shares(gboolean reload);
+void scan_arp(gboolean reload);
+
+static ModuleEntry entries[] = {
+    {"Interfaces", "network.png", callback_network, scan_network},
+    {"Connections", "module.png", callback_connections, scan_connections},
+    {"Routing Table", "network-generic.png", callback_route, scan_route},
+    {"ARP Table", "module.png", callback_arp, scan_arp},
+    {"DNS Servers", "module.png", callback_dns, scan_dns},
+    {"Shared Directories", "shares.png", callback_shares, scan_shares},
+    {NULL},
+};
+
+#include <arch/this/samba.h>
+#include <arch/this/nfs.h>
+#include <arch/this/net.h>
+
+void scan_shares(gboolean reload)
+{
+    SCAN_START();
+    scan_samba_shared_directories();
+    scan_nfs_shared_directories();
+    SCAN_END();
+}
+
+static gchar *__nameservers = NULL;
+void scan_dns(gboolean reload)
+{
+    FILE *resolv;
+    gchar buffer[256];
+    
+    SCAN_START();
+    
+    g_free(__nameservers);
+    __nameservers = g_strdup("");
+    
+    if ((resolv = fopen("/etc/resolv.conf", "r"))) {
+      while (fgets(buffer, 256, resolv)) {
+        if (g_str_has_prefix(buffer, "nameserver")) {
+          __nameservers = h_strdup_cprintf("%s=\n",
+                                           __nameservers,
+                                           g_strstrip(buffer + sizeof("nameserver")));
+        } 
+      }
+      fclose(resolv);
+    }
+    
+    SCAN_END();
+}
+
+void scan_network(gboolean reload)
+{
+    SCAN_START();
+    scan_net_interfaces();
+    SCAN_END();
+}
+
+static gchar *__routing_table = NULL;
+void scan_route(gboolean reload)
+{
+    FILE *route;
+    gchar buffer[256];
+    
+    SCAN_START();
+
+    g_free(__routing_table);
+    __routing_table = g_strdup("");
+    
+    if ((route = popen("route -n", "r"))) {
+      /* eat first two lines */
+      fgets(buffer, 256, route);
+      fgets(buffer, 256, route);
+
+      while (fgets(buffer, 256, route)) {
+        buffer[15] = '\0';
+        buffer[31] = '\0';
+        buffer[47] = '\0';
+        buffer[53] = '\0';
+        
+        __routing_table = h_strdup_cprintf("%s / %s=%s|%s|%s\n",
+                                           __routing_table,
+                                           g_strstrip(buffer), g_strstrip(buffer + 16),
+                                           g_strstrip(buffer + 72),
+                                           g_strstrip(buffer + 48),
+                                           g_strstrip(buffer + 32));
+      }
+      
+      pclose(route);
+    }
+    
+    SCAN_END();
+}
+
+static gchar *__arp_table = NULL;
+void scan_arp(gboolean reload)
+{
+    FILE *arp;
+    gchar buffer[256];
+    
+    SCAN_START();
+
+    g_free(__arp_table);
+    __arp_table = g_strdup("");
+    
+    if ((arp = fopen("/proc/net/arp", "r"))) {
+      /* eat first line */
+      fgets(buffer, 256, arp);
+
+      while (fgets(buffer, 256, arp)) {
+        buffer[15] = '\0';
+        buffer[58] = '\0';
+        
+        __arp_table = h_strdup_cprintf("%s=%s|%s\n",
+                                       __arp_table,
+                                       g_strstrip(buffer),
+                                       g_strstrip(buffer + 41),
+                                       g_strstrip(buffer + 72));
+      }
+      
+      pclose(arp);
+    }
+    
+    SCAN_END();
+}
+
+static gchar *__connections = NULL;
+void scan_connections(gboolean reload)
+{
+    FILE *netstat;
+    gchar buffer[256];
+    
+    SCAN_START();
+
+    g_free(__connections);
+    __connections = g_strdup("");
+    
+    if ((netstat = popen("netstat -an", "r"))) {
+      while (fgets(buffer, 256, netstat)) {
+      }
+      
+      pclose(netstat);
+    }
+    
+    SCAN_END();
+}
+
+gchar *callback_arp()
+{
+    return g_strdup_printf("[ARP Table]\n"
+                           "%s\n"
+                           "[$ShellParam$]\n"
+                           "ReloadInterval=3000\n"
+                           "ColumnTitle$TextValue=Hardware Address\n"
+                           "ColumnTitle$Value=IP Address\n"
+                           "ColumnTitle$Extra1=Interface\n"
+                           "ShowColumnHeaders=true\n",
+                           __arp_table);
+}
+
+gchar *callback_shares()
+{
+    return g_strdup_printf("[SAMBA]\n"
+			   "%s\n"
+			   "[NFS]\n"
+			   "%s", smb_shares_list, nfs_shares_list);
+}
+
+gchar *callback_dns()
+{
+    return g_strdup_printf("[Name servers]\n"
+                           "%s\n", __nameservers);
+}
+
+gchar *callback_connections()
+{
+    return g_strdup_printf("[Connections]\n"
+                           "Local Address=Protocol|Foreign Address|State\n"
+                           "[$ShellParam$]\n"
+                           "ColumnTitle$TextValue=Local Address\n"
+                           "ColumnTitle$Value=Protocol\n"
+                           "ColumnTitle$Extra1=Foreign Address\n"
+                           "ColumnTitle$Extra2=State\n"
+                           "ShowColumnHeaders=true\n");
+}
+
+gchar *callback_network()
+{
+    return g_strdup_printf("%s\n"
+                           "[$ShellParam$]\n"
+			   "ReloadInterval=3000\n"
+			   "ViewType=1\n"
+			   "ColumnTitle$TextValue=Device\n"
+			   "ColumnTitle$Value=IP Address\n"
+			   "ColumnTitle$Extra1=Statistics\n"
+			   "ShowColumnHeaders=true\n"
+			   "%s",
+			   network_interfaces,
+			   network_icons);
+}
+
+gchar *callback_route()
+{
+    return g_strdup_printf("[IP routing table]\n"
+                           "%s\n"
+                           "[$ShellParam$]\n"
+                           "ViewType=0\n"
+                           "ReloadInterval=3000\n"
+                           "ColumnTitle$TextValue=Destination / Gateway\n"
+                           "ColumnTitle$Value=Interface\n"
+                           "ColumnTitle$Extra1=Flags\n"
+                           "ColumnTitle$Extra2=Mask\n"
+                           "ShowColumnHeaders=true\n",
+                           __routing_table);
+}
+
+gchar *hi_more_info(gchar * entry)
+{
+    gchar *info = (gchar *) g_hash_table_lookup(moreinfo, entry);
+
+    if (info)
+	return g_strdup(info);
+
+    return g_strdup_printf("[%s]", entry);
+}
+
+ModuleEntry *hi_module_get_entries(void)
+{
+    return entries;
+}
+
+gchar *hi_module_get_name(void)
+{
+    return g_strdup("Network");
+}
+
+guchar hi_module_get_weight(void)
+{
+    return 85;
+}
+
+void hi_module_init(void)
+{
+    moreinfo =
+	g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
+}
+
+ModuleAbout *hi_module_get_about(void)
+{
+    static ModuleAbout ma[] = {
+	{
+	 .author = "Leandro A. F. Pereira",
+	 .description = "Gathers information about this computer's network connection",
+	 .version = VERSION,
+	 .license = "GNU GPL version 2"}
+    };
+
+    return ma;
+}