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common code between them. In theory it would save about 3k, I think, though my initialy efforts didn't save any space, so we still aren't sharing. r335master
David Whedon
23 years ago
5 changed files with 410 additions and 301 deletions
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/*
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netcfg-dhcp.c - Configure a network via dhcp for the debian-installer |
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Author - David Whedon |
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*/ |
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#include <ctype.h> |
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#include <net/if.h> |
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#include <sys/socket.h> |
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#include <sys/ioctl.h> |
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#include <string.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <unistd.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <debconfclient.h> |
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#include "utils.h" |
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#include "netcfg.h" |
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static char *interface = NULL; |
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static char *hostname = NULL; |
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static char *domain = NULL; |
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static u_int32_t ipaddress = 0; |
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static u_int32_t nameservers[4] = { 0 }; |
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static struct debconfclient *client; |
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static char *dhcp_hostname = NULL; |
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char * |
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debconf_input (char *priority, char *template) |
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{ |
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client->command (client, "fset", template, "seen", "false", NULL); |
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client->command (client, "input", priority, template, NULL); |
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client->command (client, "go", NULL); |
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client->command (client, "get", template, NULL); |
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return client->value; |
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} |
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static void |
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netcfg_get_dhcp () |
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{ |
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if (dhcp_hostname) |
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free (dhcp_hostname); |
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client->command (client, "input", "high", "netcfg/dhcp_hostname", NULL); |
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client->command (client, "go", NULL); |
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client->command (client, "get", "netcfg/dhcp_hostname", NULL); |
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if (client->value) |
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dhcp_hostname = strdup (client->value); |
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} |
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static void |
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netcfg_write_dhcp () |
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{ |
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FILE *fp; |
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if ((fp = file_open (INTERFACES_FILE))) |
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{ |
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fprintf (fp, |
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"\n# This entry was created during the Debian installation\n"); |
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fprintf (fp, "iface %s inet dhcp\n", interface); |
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} |
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netcfg_mkdir (DHCPCD_DIR); |
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if ((fp = file_open (DHCPCD_FILE))) |
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{ |
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fprintf (fp, |
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"\n# dhcpcd configuration: created during the Debian installation\n"); |
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fprintf (fp, "IFACE=%s\n", interface); |
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if (dhcp_hostname) |
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fprintf (fp, "OPTIONS='-h %s'\n", dhcp_hostname); |
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} |
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} |
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static void |
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netcfg_activate_dhcp () |
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{ |
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char buf[128]; |
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char *ptr; |
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execlog ("/sbin/ifconfig lo 127.0.0.1"); |
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ptr = buf; |
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ptr += snprintf (buf, sizeof (buf), "/sbin/dhcpcd-2.2.x"); |
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if (dhcp_hostname) |
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ptr += |
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snprintf (ptr, sizeof (buf) - (ptr - buf), " -h %s", dhcp_hostname); |
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ptr += snprintf (ptr, sizeof (buf) - (ptr - buf), " %s", interface); |
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if (execlog (buf)) |
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netcfg_die (client); |
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} |
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int |
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main (int argc, char *argv[]) |
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{ |
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char *ptr; |
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int finished = 1; |
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client = debconfclient_new (); |
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client->command (client, "title", "DHCP Network Configuration", NULL); |
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do |
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{ |
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netcfg_get_common (client, interface, hostname, domain, nameservers); |
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netcfg_get_dhcp (); |
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client->command (client, "subst", "netcfg/confirm_dhcp", "interface", |
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interface, NULL); |
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client->command (client, "subst", "netcfg/confirm_dhcp", "hostname", |
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hostname, NULL); |
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client->command (client, "subst", "netcfg/confirm_dhcp", "domain", |
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(domain ? domain : "<none>"), NULL); |
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client->command (client, "subst", "netcfg/confirm_dhcp", |
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"dhcp_hostname", |
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(dhcp_hostname ? dhcp_hostname : "<none>"), NULL); |
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ptr = debconf_input ("medium", "netcfg/confirm_dhcp"); |
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if (strstr (ptr, "true")) |
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finished = 1; |
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} |
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while (!finished); |
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netcfg_write_dhcp (); |
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netcfg_write_common (ipaddress, domain, hostname, nameservers); |
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debconf_input ("medium", "netcfg/do_dhcp"); |
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netcfg_activate_dhcp (); |
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return 0; |
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} |
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@ -0,0 +1,177 @@ |
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/*
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netcfg-static.c - Configure a static network for the debian-installer |
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Author - David Whedon |
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*/ |
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#include <ctype.h> |
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#include <net/if.h> |
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#include <sys/socket.h> |
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#include <sys/ioctl.h> |
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#include <string.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <unistd.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <debconfclient.h> |
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#include "utils.h" |
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#include "netcfg.h" |
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static char *interface = NULL; |
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static char *hostname = NULL; |
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static char *domain = NULL; |
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static u_int32_t ipaddress = 0; |
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static u_int32_t nameservers[4] = { 0 }; |
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static u_int32_t network = 0; |
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static u_int32_t broadcast = 0; |
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static u_int32_t netmask = 0; |
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static u_int32_t gateway = 0; |
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static struct debconfclient *client; |
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char * |
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debconf_input (char *priority, char *template) |
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{ |
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client->command (client, "fset", template, "seen", "false", NULL); |
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client->command (client, "input", priority, template, NULL); |
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client->command (client, "go", NULL); |
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client->command (client, "get", template, NULL); |
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return client->value; |
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} |
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static void |
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netcfg_get_static () |
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{ |
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char *ptr; |
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ipaddress = network = broadcast = netmask = gateway = 0; |
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ptr = debconf_input ("critical", "netcfg/get_ipaddress"); |
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dot2num (&ipaddress, ptr); |
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client->command (client, "subst", "netcfg/confirm_static", |
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"ipaddress", |
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(ipaddress ? num2dot (ipaddress) : "<none>"), NULL); |
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ptr = debconf_input ("critical", "netcfg/get_netmask"); |
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dot2num (&netmask, ptr); |
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client->command (client, "subst", "netcfg/confirm_static", |
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"netmask", (netmask ? num2dot (netmask) : "<none>"), NULL); |
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network = ipaddress & netmask; |
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ptr = debconf_input ("critical", "netcfg/get_gateway"); |
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dot2num (&gateway, ptr); |
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client->command (client, "subst", "netcfg/confirm_static", |
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"gateway", (gateway ? num2dot (gateway) : "<none>"), NULL); |
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if (gateway && ((gateway & netmask) != network)) |
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{ |
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client->command (client, "input", "high", |
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"netcfg/gateway_unreachable", NULL); |
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client->command (client, "go", NULL); |
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} |
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broadcast = (network | ~netmask); |
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} |
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static int |
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netcfg_write_static () |
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{ |
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FILE *fp; |
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if ((fp = file_open (NETWORKS_FILE))) |
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{ |
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fprintf (fp, "localnet %s\n", num2dot (network)); |
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fclose (fp); |
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} |
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else |
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goto error; |
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if ((fp = file_open (INTERFACES_FILE))) |
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{ |
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fprintf (fp, |
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"\n# This entry was created during the Debian installation\n"); |
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fprintf (fp, "# (network, broadcast and gateway are optional)\n"); |
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fprintf (fp, "iface %s inet static\n", interface); |
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fprintf (fp, "\taddress %s\n", num2dot (ipaddress)); |
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fprintf (fp, "\tnetmask %s\n", num2dot (netmask)); |
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fprintf (fp, "\tnetwork %s\n", num2dot (network)); |
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fprintf (fp, "\tbroadcast %s\n", num2dot (broadcast)); |
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fprintf (fp, "\tgateway %s\n", num2dot (gateway)); |
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fclose (fp); |
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} |
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else |
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goto error; |
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return 0; |
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error: |
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return -1; |
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} |
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static int |
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netcfg_activate_static () |
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{ |
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int rv; |
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char *ptr; |
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char buf[128]; |
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execlog ("/sbin/ifconfig lo 127.0.0.1"); |
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ptr = buf; |
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ptr += |
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snprintf (buf, sizeof (buf), "/sbin/ifconfig %s %s", interface, |
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num2dot (ipaddress)); |
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ptr += |
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snprintf (ptr, sizeof (buf) - (ptr - buf), " netmask %s", |
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num2dot (netmask)); |
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ptr += |
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snprintf (ptr, sizeof (buf) - (ptr - buf), " broadcast %s", |
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num2dot (broadcast)); |
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rv = execlog (buf); |
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if (rv != 0) |
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{ |
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client->command (client, "input", "critical", "netcfg/error_cfg", NULL); |
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client->command (client, "go", NULL); |
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} |
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return 0; |
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} |
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int |
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main (int argc, char *argv[]) |
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{ |
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int finished = 0; |
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char *ptr; |
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client = debconfclient_new (); |
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client->command (client, "title", "Static Network Configuration", NULL); |
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do |
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{ |
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netcfg_get_common (client, interface, hostname, domain, nameservers); |
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client->command (client, "subst", "netcfg/confirm_static", |
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"hostname", hostname, NULL); |
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client->command (client, "subst", "netcfg/confirm_static", "domain", |
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(domain ? domain : "<none>"), NULL); |
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netcfg_get_static (); |
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ptr = debconf_input ("medium", "netcfg/confirm_static"); |
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if (strstr (ptr, "true")) |
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finished = 1; |
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} |
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while (!finished); |
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netcfg_write_common (ipaddress, domain, hostname, nameservers); |
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netcfg_write_static (); |
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netcfg_activate_static (); |
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return 0; |
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} |
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@ -0,0 +1,42 @@ |
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#ifndef _NETCFG_H_ |
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#define _NETCFG_H_ |
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#include <sys/types.h> |
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#define ETC_DIR "/etc" |
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#define NETWORK_DIR "/etc/network" |
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#define DHCPCD_DIR "/etc/dhcpc" |
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#define INTERFACES_FILE "/etc/network/interfaces" |
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#define HOSTS_FILE "/etc/hosts" |
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#define NETWORKS_FILE "/etc/networks" |
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#define RESOLV_FILE "/etc/resolv.conf" |
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#define DHCPCD_FILE "/etc/dhcpc/config" |
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extern int netcfg_mkdir (char *path); |
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extern int is_interface_up (char *inter); |
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extern void get_name (char *name, char *p); |
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extern void getif_start (); |
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extern void getif_end (); |
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extern char *get_ifdsc (const char *ifp); |
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extern FILE *file_open (char *path); |
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extern void dot2num (u_int32_t * num, char *dot); |
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extern char *num2dot (u_int32_t num); |
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extern void netcfg_die (struct debconfclient *client); |
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extern void netcfg_get_common (struct debconfclient *client, char *interface, |
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char *hostname, char *domain, |
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u_int32_t nameservers[]); |
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extern void netcfg_write_common (u_int32_t ipaddress, char *domain, |
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char *hostname, u_int32_t nameservers[]); |
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#endif /* _NETCFG_H_ */ |
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