Starting the network configuration. First goal iwill be manual configuration.

This is currently incomplete, just some ideas and bare bones of code (haven't
even tried to compile it.)

r224

debian/templates

@@ -0,0 +1,62 @@
+Template: netcfg/dhcp_option
+Type: boolean
+Default: true
+Description: Automatic Network Configuration
+ Configuration for  (FIXME) Do you want to use DHCP or BOOTP to automatically
+ configure this interface? You'll need a DHCP or BOOTP server in the local
+ network for this to work.
+
+Template: netcfg/get_hostname
+Type: string
+Default: debian
+Description: Choose the hostname.
+ Every Debian system has a name - even if it is not on a network. This name is
+ called its "hostname". You should now specify a hostname for your new
+ system. If your system is going to be on a network, you should talk to the
+ administrator of the network before you choose a hostname. If not, you may
+ choose any name you like. The hostname must not contain dots or underscores,
+ and you must not append the domain name here. If you can't think of a
+ hostname for your new system, you may press <ENTER> to use the default hostname
+ of "debian".
+
+Template: netcfg/get_ipaddress
+Type: string
+Description: What is the IP address of this system?
+ The ipaddress identifies you system to other computer on the network.
+
+Template: netcfg/get_netmask
+Type: string
+Description: What is your netmask?
+ The ipaddress identifies you system to other computer on the network.
+
+Template: netcfg/get_gateway
+Type: string
+Description: What is your IP gateway address?
+ A gateway system is one that connects your network to other networks such as
+ your company wide-area net or the Internet. If there is no gateway in your
+ subnet just leave this field blank.
+
+Template: netcfg/get_domain
+Type: string
+Description: Choose the Domain name.
+ As with individual systems, every network has a name. This name is called the
+ domain name. Please enter your domain name or leave this field empty if you
+ don't have a domain.
+
+Template: netcfg/get_nameservers
+Type: string
+Description: Choose the DNS Server Addresses
+ Please enter the IP addresses (not host names) of up to 3 name servers,
+ separated by spaces. Do not use commas. The servers will be queried in the
+ order in which you enter them. If you don't want to use any name servers just
+ leave this field blank.
+
+Template: netcfg/get_pcmcia_tranceiver
+Type: string
+Description: PCMCIA Transceiver
+ Some PCMCIA Cards can detect the transceiver type although this might take
+ some time. Others cannot detect it at all. Possible values for this parameter
+ are "auto", "10baseT", "10base2", "aui", and "100baseT", or a blank for cards
+ that don't support transceiver selection. Please specify what transceiver type
+ you would like to use. If you aren't sure, just use the default value of
+ "auto".

netcfg.c

@@ -0,0 +1,120 @@
+/* 
+   netcfg.c : Configures the network 
+*/
+
+
+#define IP4_ADDR_SZ (4)
+struct ip4_addr
+{
+  int i[IP4_ADDR_SZ];
+}
+ip4_addr_t;
+char *host = NULL;
+char *domain = NULL;
+
+ip4_addr_t ipaddr = { {192, 168, 1, 1} };
+ip4_addr_t netmask = { {255, 255, 255, 0} };
+ip4_addr_t network = { {192, 168, 1, 0} };
+ip4_addr_t broadcast = { {192, 168, 1, 255} };
+ip4_addr_t gateway = { {0, 0, 0, 0} };
+
+
+/*
+ * Checks a string with an IPv4-address for validity and converts it into an
+ * ip4_addr_t type;
+ */
+int
+atoIP4 (char *addr, ip4_addr_t * iaddr)
+{
+  char *end;
+  char *tmp_a;
+  char *current = strdup (addr);
+  char *next = NULL;
+  int ix = 0;
+  int tmp;
+
+  tmp_a = current;
+  end = current + strlen (current) + 1;
+  while (next != end)
+    {
+      next = strchr (current, '.');
+      if (next == NULL)
+	next = end;
+      else
+	{
+	  *next = '\0';
+	  next++;
+	}
+
+      if (ix == IP4_ADDR_SZ)
+	{
+	  free (tmp_a);
+	  return 255;
+	}
+      else
+	{
+	  tmp = atoi (current);
+	  if ((tmp < 0) || (tmp > 255))
+	    {
+	      free (tmp_a);
+	      return 255;
+	    }
+	  iaddr->i[ix++] = tmp;
+	  current = next;
+	}
+    }
+  free (tmp_a);
+  if (ix != IP4_ADDR_SZ)
+    return 255;
+  return 0;
+}
+
+
+
+static_network_cfg ()
+{
+  int ix;
+
+  debconf_command ("INPUT", "high", "netcfg/get_hostname", NULL);
+
+  do {
+      debconf_command ("INPUT", "critical", "netcfg/get_ipaddress", NULL);
+      debconf_command ("GO", NULL);
+  } while ( atoIP4(debconf_command ("GET", "netcfg/get_ipaddress", NULL), &ipaddress)) ;
+
+  do {
+      debconf_command ("INPUT", "critical", "netcfg/get_netmask", NULL);
+      debconf_command ("GO", NULL);
+  } while ( atoIP4(debconf_command ("GET", "netcfg/get_netmask", NULL), &netmask)) ;
+
+
+  /*
+   * Generate the network, broadcast and default gateway address
+   * Default gateway address is network with last number set to "1", 
+   * or "2" if "1" is the local address.
+   */
+  for (ix = 0; ix < IP4_ADDR_SZ; ix++)
+    {
+      gateway.i[ix] = network.i[ix] = ipaddr.i[ix] & netmask.i[ix];
+      broadcast.i[ix] = (~netmask.i[ix] & 255) | ipaddr.i[ix];
+    }
+  gateway.i[IP4_ADDR_SZ - 1] |=
+    (ipaddr.i[IP4_ADDR_SZ - 1] == (network.i[IP4_ADDR_SZ - 1] | 1)) ? 2 : 1;
+
+}
+
+
+
+
+
+int main(int argc, char *argv[]){
+
+
+  debconf_command ("TITLE", "Network Configuration", NULL);
+
+  static_netork_cfg();
+
+
+
+
+}