-// $Id: chbind.c,v 1.9 2004/03/16 14:30:10 ensc Exp $
+// $Id: chbind.c 2403 2006-11-24 23:06:08Z dhozac $
// Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
// based on chbind.cc by Jacques Gelinas
#include "vserver.h"
#include "util.h"
+#include <lib/internal.h>
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define ENSC_WRAPPERS_PREFIX "chbind: "
#define ENSC_WRAPPERS_IO 1
#define ENSC_WRAPPERS_UNISTD 1
+#define ENSC_WRAPPERS_VSERVER 1
#include "wrappers.h"
#define CMD_HELP 0x1000
#define CMD_SILENT 0x2000
#define CMD_IP 0x2001
#define CMD_BCAST 0x2002
+#define CMD_NID 0x2003
int wrapper_exit_code = 255;
{ "silent", no_argument, 0, CMD_SILENT },
{ "ip", required_argument, 0, CMD_IP },
{ "bcast", required_argument, 0, CMD_BCAST },
+ { "nid", required_argument, 0, CMD_NID },
{ 0,0,0,0 }
};
WRITE_MSG(fd, "Usage:\n ");
WRITE_STR(fd, cmd);
WRITE_MSG(fd,
- " [--silent] [--ip <ip_num>[/<mask>]] [--bcast <broadcast>] [--] <commands> <args>*\n\n"
+ " [--silent] [--nid <nid>] [--ip <ip_num>[/<mask>]] [--bcast <broadcast>] [--] <commands> <args>*\n\n"
"Please report bugs to " PACKAGE_BUGREPORT "\n");
exit(res);
}
}
+#if defined(VC_ENABLE_API_NET)
+static void
+make_nx(nid_t nid, uint32_t bcast, size_t nbaddrs, struct vc_ip_mask_pair *ips)
+{
+ size_t i;
+ struct vc_net_nx addr;
+
+ if (nid == VC_DYNAMIC_NID) {
+ nid = vc_net_create(VC_DYNAMIC_NID);
+ if (nid == (nid_t) -1) {
+ perror("chbind: vc_net_create()");
+ exit(wrapper_exit_code);
+ }
+ }
+ else {
+ if (vc_net_create(nid) == (nid_t) -1) {
+ if (errno == EEXIST) {
+ if (vc_net_migrate(nid) != 0) {
+ perror("chbind: vc_net_migrate()");
+ exit(wrapper_exit_code);
+ }
+ else
+ return;
+ }
+ else {
+ perror("chbind: vc_net_create()");
+ exit(wrapper_exit_code);
+ }
+ }
+ }
+
+ addr.type = vcNET_IPV4B;
+ addr.count = 1;
+ addr.ip[0] = bcast;
+ addr.mask[0] = 0;
+
+ if (vc_net_add(nid, &addr) != 1) {
+ perror("chbind: vc_net_add()");
+ exit(wrapper_exit_code);
+ }
+
+ for (i = 0; i < nbaddrs; i++) {
+ addr.type = vcNET_IPV4;
+ addr.count = 1;
+ addr.ip[0] = ips[i].ip;
+ addr.mask[0] = ips[i].mask;
+
+ if (vc_net_add(nid, &addr) != 1) {
+ perror("chbind: vc_net_add()");
+ exit(wrapper_exit_code);
+ }
+ }
+}
+#endif
+
int main (int argc, char *argv[])
{
size_t const nb_ipv4root = vc_get_nb_ipv4root();
struct vc_ip_mask_pair ips[nb_ipv4root];
size_t nbaddrs = 0;
uint32_t bcast = 0xffffffff;
+ nid_t nid = VC_DYNAMIC_NID;
while (1) {
int c = getopt_long(argc, argv, "+", CMDLINE_OPTIONS, 0);
case CMD_VERSION : showVersion();
case CMD_SILENT : is_silent = true; break;
case CMD_BCAST : readBcast(optarg, &bcast); break;
+#if defined(VC_ENABLE_API_NET)
+ case CMD_NID : nid = Evc_nidopt2nid(optarg,true); break;
+#else
+ case CMD_NID : WRITE_MSG(2, "WARNING: --nid is not supported by this version\n"); break;
+#endif
case CMD_IP :
if (nbaddrs>=nb_ipv4root) {
WRITE_MSG(2, "Too many IP numbers, max 16\n");
default :
WRITE_MSG(2, "Try '");
WRITE_STR(2, argv[0]);
- WRITE_MSG(2, " --help\" for more information.\n");
+ WRITE_MSG(2, " --help' for more information.\n");
exit(wrapper_exit_code);
break;
}
exit(wrapper_exit_code);
}
-
+#if !defined(VC_ENABLE_API_NET) && !defined(VC_ENABLE_API_COMPAT) && !defined(VC_ENABLE_API_LEGACY)
+# error can not build 'chbind' without network virtualization API
+#endif
+
+#if defined(VC_ENABLE_API_NET)
+ if (vc_isSupported(vcFEATURE_VNET)) {
+ make_nx(nid, bcast, nbaddrs, ips);
+ }
+ else
+#endif
+#if defined(VC_ENABLE_API_COMPAT) || defined(VC_ENABLE_API_LEGACY)
if (vc_set_ipv4root(bcast,nbaddrs,ips)!=0) {
perror("chbind: vc_set_ipv4root()");
exit(wrapper_exit_code);
}
+#else
+ {
+ WRITE_MSG(2, "chbind: kernel does not provide network virtualization\n");
+ exit(wrapper_exit_code);
+ }
+#endif
if (!is_silent) {
size_t i;