1 files changed, 146 insertions, 0 deletions

diff --git a/urunlevel/runlevel/network.c b/urunlevel/runlevel/network.c
new file mode 100644
index 0000000..dff5fc1
--- /dev/null
+++ b/urunlevel/runlevel/network.c
@@ -0,0 +1,146 @@
+/*
+ * Mini network boot implementation for busybox.
+ *
+ * Copyright (C) 2004 by David Seikel won_fang@yahoo.com.au
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307 USA
+ *
+ */
+
+#include <string.h>
+#include <unistd.h>
+
+#include "busybox.h"
+#include "lib_init_d.h"
+
+
+static int start(struct init_d_handle_s *, int);
+static int status(struct init_d_handle_s *init_d, int);
+static int stop(struct init_d_handle_s *, int);
+
+
+static init_d_handle_t my_commands =
+{
+    &start,
+    &stop,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    &status,
+    NULL,
+    "network",
+    NULL,
+    NULL,
+    NULL,
+    INIT_D_BEGIN \
+    INIT_D_PROV "$network" \
+    INIT_D_RSTART "$syslog" \
+    INIT_D_DSTART "3 4 5" \
+    INIT_D_DSTOP "0 1 2 6" \
+    INIT_D_SDESC "Basic network setup" \
+    INIT_D_DESC "Configures all your network interfaces," \
+    INIT_D_CONT "brings them all up and sets up routing." \
+    INIT_D_CONT "Also configures things like port forwarding," \
+    INIT_D_CONT "hostnames, etc." \
+    INIT_D_END
+};
+
+
+int network_main(int argc, char **argv)
+{
+    return do_init_from_main(argc, argv, &my_commands);
+}
+
+
+static int start(struct init_d_handle_s *init_d, int just_checking)
+{
+    int i;
+    int my_status = (init_d->status)(init_d, 0);
+    char *IPADDR = 0;
+
+    if (my_status == INIT_D_STATUS_NOT_RUNNING)
+    {
+        my_status = INIT_D_ERROR_NOT_RUNNING;
+//      if (stat("/proc/net/pnp", &path_stat) == 0)
+//          copy_file("/proc/net/pnp", "/etc/resolv.conf", FILEUTILS_FORCE | FILEUTILS_PRESERVE_STATUS);
+
+        fflush(stdout);
+        doit(QUIET, "ifup -af");
+        for (i = 20; stat("/var/lib/network/ipaddr", &path_stat) != 0; i--)
+        {
+            bb_printf(".");
+            fflush(stdout);
+            sleep(2);
+            if (i <= 0)
+            {
+                bb_printf(" timeout.");
+                break;
+            }
+        }
+
+        if (stat("/var/lib/network/ipaddr", &path_stat) == 0)
+            IPADDR = quick_read("/var/lib/network/ipaddr");
+
+        if ((IPADDR != 0) && (IPADDR[0] != '\0'))
+        {
+            if (stat("/proc/sys/net/ipv4/tcp_syn_retries", &path_stat) == 0)
+                quick_write("/proc/sys/net/ipv4/tcp_syn_retries", "7");
+            if (stat("/var/lib/my_linux/config/ipfwd", &path_stat) == 0)
+            {
+                bb_printf("Enabling IP forwarding\n");
+                quick_write("/proc/sys/net/ipv4/ip_forward", "1");
+            }
+            if (stat("/var/lib/my_linux/config/noping", &path_stat) == 0)
+                quick_write("/proc/sys/net/ipv4/icmp_echo_ignore_all", "1");
+            my_status = INIT_D_OK;
+        }
+        else
+            my_status = INIT_D_ERROR_GENERIC;
+
+        free(IPADDR);
+    }
+    else
+        my_status = INIT_D_OK;
+
+    return my_status;
+}
+
+
+static int status(struct init_d_handle_s *init_d, int quiet)
+{
+    int my_status = INIT_D_STATUS_NOT_RUNNING;
+    char *ip = NULL;
+
+    bb_xasprintf(&ip, "%s", doit(REDIR, "ip -o addr | grep lo: | cut -d\" \" -f3 | cut -d\",\" -f2"));
+    if ((ip != NULL) && (strncmp("UP", ip, 2) == 0))
+        my_status = INIT_D_STATUS_OK;
+
+    return print_status(init_d, quiet, my_status);
+}
+
+
+static int stop(struct init_d_handle_s *init_d, int just_checking)
+{
+    int my_status = default_stop(init_d, 1);
+
+    if (my_status == INIT_D_ERROR_JUST_RUNNING)
+    {
+        doit(QUIET, "ifdown -af");
+        my_status = INIT_D_OK;
+    }
+    return my_status;
+}