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netcfg
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Now using libdebconf, writing more config files, still incomplete. 

r242
master
David Whedon 23 years ago
parent
e1d3f00cd7
commit
a00f4dfee9
5 changed files with 180 additions and 80 deletions
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  1. 5
      Makefile
  2. 3
      TODO
  3. 2
      debian/control
  4. 16
      debian/templates
  5. 234
      netcfg.c

5
Makefile
View File

@ -1,3 +1,5 @@
INCS=-I../cdebconf/src/
LDOPTS=-L../cdebconf/src/ -ldebconf
PREFIX=$(DESTDIR)/usr/
CFLAGS=-Wall -Os -fomit-frame-pointer
INSTALL=install
@ -8,7 +10,8 @@ all: netcfg
$(STRIP) netcfg
size netcfg
netcfg: netcfg.c debconf.o
netcfg: netcfg.c
$(CC) $(CFLAGS) netcfg.c -o netcfg $(INCS) $(LDOPTS)
install:
mkdir -p $(PREFIX)/bin/

3
TODO
View File

@ -4,5 +4,6 @@
* dhcp: either another module, or in here
* fall back to safe defaults if the user doesn't enter a particular value (ex. gateway)
* create config dirs if they don't exist
* use the the debconf library rather than our own debconf.[ch]
* do other sorts of network configurations (pcmcia)
* inderstand the target_path() thing, and do it properly
* what do we do differently if it is a CD filesystem?

2
debian/control
View File

@ -9,6 +9,6 @@ Package: netcfg
Architecture: any
Depends: ${shlibs:Depends}
Provides: network-configuration
XBC-Installer-Menu-Item: 1
XBC-Installer-Menu-Item: 2
Description: Configure the network
This package configures the network.

16
debian/templates
View File

@ -67,13 +67,15 @@ Template: netcfg/confirm_static_cfg
Type: boolean
Default: true
Description: Is this configuration correct?
hostname = ${hostname}
domain = ${domain}
ipaddress = ${ipaddress}
netmask = ${netmask}
network = ${network}
broadcast = ${broadcast}
gateway = ${gateway}
gateway = ${gateway}
primary DNS = ${primary_DNS}
secondary DNS = ${secondary_DNS}
tertiary DNS = ${tertiary_DNS}
hostname = ${hostname}
domain = ${domain}
ipaddress = ${ipaddress}
netmask = ${netmask}
network = ${network}
Template: netcfg/get_pcmcia_tranceiver
Type: string

234
netcfg.c
View File

@ -1,5 +1,8 @@
/*
netcfg.c : Configures the network
netcfg.c - Configures the network
Author - David Whedon, Karl Hammar, Aspö Data
Copyright terms: GPL
*/
@ -9,18 +12,27 @@
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "debconf.h"
#include <debconfclient.h>
char *hostname = NULL;
char *domain = NULL;
u_int32_t ipaddress = 0;
u_int32_t network_address = 0;
u_int32_t netmask = 0;
u_int32_t gateway = 0;
static char *hostname = NULL;
static char *domain = NULL;
static u_int32_t ipaddress = 0;
static u_int32_t network_address = 0;
char network_address_str[16];
static u_int32_t netmask = 0;
char netmask_str[16];
static u_int32_t gateway = 0;
char gateway_str[16];
static u_int32_t nameservers[4]={0};
char nameservers_str[16];
static char address_buf[16];
//#define INTERFACES_FILE "/etc/network/interfaces"
#define INTERFACES_FILE "etc/network/interfaces"
static struct debconfclient *client;
#define INTERFACES_FILE "/etc/network/interfaces"
#define HOSTS_FILE "/etc/hosts"
#define NETWORKS_FILE "/etc/networks"
#define RESOLV_FILE "/etc/resolv.conf"
/**
@ -82,79 +94,114 @@ void
get_static_cfg (void)
{
int finished = 0;
char *ptr;
char *ptr ,*ns;
do
{
client->command (client, "input", "high", "netcfg/get_hostname",
NULL);
client->command (client, "go", NULL);
client->command (client, "get", "netcfg/get_hostname", NULL);
hostname = strdup(client->value);
client->command (client, "subst", "netcfg/confirm_static_cfg",
"hostname", hostname, NULL);
debconf_command ("INPUT", "critical", "netcfg/get_hostname", NULL);
debconf_command ("GO", NULL);
debconf_command ("GET", "netcfg/get_hostname", NULL);
hostname = debconf_ret ();
debconf_command ("subst", "netcfg/confirm_static_cfg", "hostname",
hostname, NULL);
debconf_command ("INPUT", "critical", "netcfg/get_domain", NULL);
debconf_command ("GO", NULL);
debconf_command ("GET", "netcfg/get_domain", NULL);
domain = debconf_ret ();
debconf_command ("subst", "netcfg/confirm_static_cfg", "domain", domain,
client->command (client, "input", "critical", "netcfg/get_domain",
NULL);
client->command (client, "go", NULL);
client->command (client, "get", "netcfg/get_domain", NULL);
domain = strdup(client->value);
client->command (client, "subst", "netcfg/confirm_static_cfg", "domain",
domain, NULL);
debconf_command ("INPUT", "critical", "netcfg/get_ipaddress", NULL);
debconf_command ("GO", NULL);
debconf_command ("GET", "netcfg/get_ipaddress", NULL);
ptr = debconf_ret ();
debconf_command ("subst", "netcfg/confirm_static_cfg", "ipaddress", ptr,
client->command (client, "input", "critical", "netcfg/get_ipaddress",
NULL);
client->command (client, "go", NULL);
client->command (client, "get", "netcfg/get_ipaddress", NULL);
ptr = client->value;
dot2num (&ipaddress, ptr);
client->command (client, "subst", "netcfg/confirm_static_cfg",
"ipaddress", ptr, NULL);
debconf_command ("INPUT", "critical", "netcfg/get_netmask", NULL);
debconf_command ("GO", NULL);
debconf_command ("GET", "netcfg/get_netmask", NULL);
ptr = debconf_ret ();
debconf_command ("subst", "netcfg/confirm_static_cfg", "netmask", ptr,
NULL);
dot2num (&netmask, debconf_ret ());
debconf_command ("INPUT", "critical", "netcfg/get_gateway", NULL);
debconf_command ("GO", NULL);
debconf_command ("GET", "netcfg/get_gateway", NULL);
ptr = debconf_ret ();
debconf_command ("subst", "netcfg/confirm_static_cfg", "gateway", ptr,
client->command (client, "input", "critical", "netcfg/get_netmask",
NULL);
client->command (client, "go", NULL);
client->command (client, "get", "netcfg/get_netmask", NULL);
ptr = client->value;
dot2num (&netmask, ptr);
client->command (client, "subst", "netcfg/confirm_static_cfg",
"netmask", ptr, NULL);
network_address = ipaddress & netmask;
num2dot(network_address, address_buf);
client->command (client, "subst", "netcfg/confirm_static_cfg",
"network", address_buf, NULL);
client->command (client, "input", "critical", "netcfg/get_gateway",
NULL);
dot2num (&gateway, ptr);
client->command (client, "go", NULL);
client->command (client, "get", "netcfg/get_gateway", NULL);
ptr = client->value;
dot2num (&ipaddress, ptr);
client->command (client, "subst", "netcfg/confirm_static_cfg",
"gateway", ptr, NULL);
debconf_command ("INPUT", "high", "netcfg/confirm_static_cfg", NULL);
debconf_command ("GO", NULL);
debconf_command ("GET", "netcfg/confirm_static_cfg", NULL);
ptr = debconf_ret ();
client->command (client, "input", "critical", "netcfg/get_nameservers",
NULL);
client->command (client, "go", NULL);
client->command (client, "get", "netcfg/get_nameservers", NULL);
ptr = strdup(client->value);
ns = strtok(ptr, " ");
client->command (client, "subst", "netcfg/confirm_static_cfg",
"primary_DNS", ns, NULL);
ns = strtok(NULL, " ");
client->command (client, "subst", "netcfg/confirm_static_cfg",
"secondary_DNS", ns, NULL);
ns = strtok(NULL, " ");
client->command (client, "subst", "netcfg/confirm_static_cfg",
"tertiary_DNS", ns, NULL);
free(ptr);
client->command (client, "input", "high", "netcfg/confirm_static_cfg",
NULL);
client->command (client, "go", NULL);
client->command (client, "get", "netcfg/confirm_static_cfg", NULL);
ptr = client->value;
if (strstr (ptr, "true"))
finished = 1;
else
{
debconf_command ("fset", "netcfg/get_hostname", "seen", "false",
NULL);
debconf_command ("fset", "netcfg/get_domain", "seen", "false",
NULL);
debconf_command ("fset", "netcfg/get_ipaddress", "seen", "false",
NULL);
debconf_command ("fset", "netcfg/get_netmask", "seen", "false",
NULL);
debconf_command ("fset", "netcfg/get_gateway", "seen", "false",
NULL);
debconf_command ("fset", "netcfg/confirm_static_cfg", "seen",
client->command (client, "fset", "netcfg/get_hostname", "seen",
"false", NULL);
client->command (client, "fset", "netcfg/get_domain", "seen",
"false", NULL);
client->command (client, "fset", "netcfg/get_ipaddress", "seen",
"false", NULL);
client->command (client, "fset", "netcfg/get_netmask", "seen",
"false", NULL);
client->command (client, "fset", "netcfg/get_gateway", "seen",
"false", NULL);
client->command (client, "fset", "netcfg/get_nameservers", "seen",
"false", NULL);
client->command (client, "fset", "netcfg/confirm_static_cfg",
"seen", "false", NULL);
free(hostname);
free(domain);
}
}
while (!finished);
}
@ -164,9 +211,51 @@ void
write_static_cfg (void)
{
FILE *fp;
char buf[16];
/* /etc/hosts */
if ((fp = fopen (HOSTS_FILE, "w")))
{
fprintf(fp, "127.0.0.1\tlocalhost\n");
num2dot (ipaddress, address_buf);
if (domain) {
fprintf(fp, "%s\t%s.%s\t%s\n", address_buf,
hostname, domain, hostname);
} else {
num2dot (ipaddress, address_buf);
fprintf(fp, "%s\t%s\n", address_buf, hostname);
}
fclose(fp);
}
else
{
perror ("fopen");
}
/* /etc/networks */
if ((fp = fopen(NETWORKS_FILE, "w"))) {
num2dot (network_address, address_buf);
fprintf(fp, "localnet %s\n", address_buf);
fclose(fp);
} else {
perror("fopen");
}
/* /etc/resolv.conf */
if ((fp = fopen(RESOLV_FILE, "w"))) {
int i=0;
if (domain) fprintf(fp, "search %s\n", domain);
while(nameservers[i]){
num2dot (nameservers[i++], address_buf);
fprintf(fp, "nameserver %s\n", address_buf);
}
fclose(fp);
} else {
perror("fopen");
}
/* /etc/network/interfaces */
if ((fp = fopen (INTERFACES_FILE, "w")))
{
fprintf (fp,
@ -174,28 +263,28 @@ write_static_cfg (void)
fprintf (fp, "# (network, broadcast and gateway are optional)\n");
fprintf (fp, "iface eth0 inet static\n");
num2dot (ipaddress, buf);
fprintf (fp, "\taddress %s\n", buf);
num2dot (ipaddress, address_buf);
fprintf (fp, "\taddress %s\n", address_buf);
num2dot (netmask, buf);
fprintf (fp, "\tnetmask %s\n", buf);
num2dot (netmask, address_buf);
fprintf (fp, "\tnetmask %s\n", address_buf);
num2dot (ipaddress, buf);
fprintf (fp, "\tnetwork %s\n", buf);
num2dot (ipaddress, address_buf);
fprintf (fp, "\tnetwork %s\n", address_buf);
num2dot (ipaddress, buf);
fprintf (fp, "\tbroadcast %s\n", buf);
num2dot (ipaddress, address_buf);
fprintf (fp, "\tbroadcast %s\n", address_buf);
num2dot (ipaddress, buf);
fprintf (fp, "\tgateway %s\n", buf);
num2dot (ipaddress, address_buf);
fprintf (fp, "\tgateway %s\n", address_buf);
fclose (fp);
}
else
{
perror ("fopen");
fprintf (stderr, "Unable to write to '%s'\n", INTERFACES_FILE);
}
}
@ -203,9 +292,14 @@ write_static_cfg (void)
int
main (int argc, char *argv[])
{
int i;
dot2num(&i,"192.168.0.1");
fprintf(stderr, "%x\n", i);
client = debconfclient_new ();
debconf_command ("TITLE", "Network Configuration", NULL);
client->command (client, "title", "Network Configuration", NULL);
get_static_cfg ();

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