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-rw-r--r--src/dumm/iface.c299
1 files changed, 0 insertions, 299 deletions
diff --git a/src/dumm/iface.c b/src/dumm/iface.c
deleted file mode 100644
index 3642ed8a2..000000000
--- a/src/dumm/iface.c
+++ /dev/null
@@ -1,299 +0,0 @@
-/*
- * Copyright (C) 2008 Tobias Brunner
- * Copyright (C) 2007 Martin Willi
- * HSR Hochschule fuer Technik Rapperswil
- * Copyright (C) 2002 Jeff Dike
- *
- * Based on the "tunctl" utility from Jeff Dike.
- *
- * 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. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * 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.
- */
-
-#include <sys/types.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <net/if.h>
-#include <sys/ioctl.h>
-#include <linux/if_tun.h>
-
-#include <utils/debug.h>
-#include <collections/linked_list.h>
-
-#include "iface.h"
-
-typedef struct private_iface_t private_iface_t;
-
-struct private_iface_t {
- /** public interface */
- iface_t public;
- /** device name in guest (eth0) */
- char *guestif;
- /** device name at host (tap0) */
- char *hostif;
- /** bridge this interface is attached to */
- bridge_t *bridge;
- /** guest this interface is attached to */
- guest_t *guest;
- /** mconsole for guest */
- mconsole_t *mconsole;
-};
-
-/**
- * bring an interface up or down (host side)
- */
-bool iface_control(char *name, bool up)
-{
- int s;
- bool good = FALSE;
- struct ifreq ifr;
-
- memset(&ifr, 0, sizeof(struct ifreq));
- strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
-
- s = socket(AF_INET, SOCK_DGRAM, 0);
- if (!s)
- {
- return FALSE;
- }
- if (ioctl(s, SIOCGIFFLAGS, &ifr) == 0)
- {
- if (up)
- {
- ifr.ifr_flags |= IFF_UP;
- }
- else
- {
- ifr.ifr_flags &= ~IFF_UP;
- }
- if (ioctl(s, SIOCSIFFLAGS, &ifr) == 0)
- {
- good = TRUE;
- }
- }
- close(s);
- return good;
-}
-
-METHOD(iface_t, get_guestif, char*,
- private_iface_t *this)
-{
- return this->guestif;
-}
-
-METHOD(iface_t, get_hostif, char*,
- private_iface_t *this)
-{
- return this->hostif;
-}
-
-METHOD(iface_t, add_address, bool,
- private_iface_t *this, host_t *addr, int bits)
-{
- return (this->guest->exec(this->guest, NULL, NULL,
- "exec ip addr add %H/%d dev %s", addr, bits, this->guestif) == 0);
-}
-
-/**
- * compile a list of the addresses of an interface
- */
-static void compile_address_list(linked_list_t *list, char *address)
-{
- host_t *host = host_create_from_string(address, 0);
- if (host)
- {
- list->insert_last(list, host);
- }
-}
-
-/**
- * delete the list of addresses
- */
-static void destroy_address_list(linked_list_t *list)
-{
- list->destroy_offset(list, offsetof(host_t, destroy));
-}
-
-METHOD(iface_t, create_address_enumerator, enumerator_t*,
- private_iface_t *this)
-{
- linked_list_t *addresses = linked_list_create();
- this->guest->exec_str(this->guest, (void(*)(void*,char*))compile_address_list,
- TRUE, addresses,
- "exec ip addr list dev %s scope global | "
- "grep '^ \\+\\(inet6\\? \\)' | "
- "awk -F '( +|/)' '{ print $3 }'", this->guestif);
- return enumerator_create_cleaner(addresses->create_enumerator(addresses),
- (void(*)(void*))destroy_address_list, addresses);
-}
-
-METHOD(iface_t, delete_address, bool,
- private_iface_t *this, host_t *addr, int bits)
-{
- return (this->guest->exec(this->guest, NULL, NULL,
- "exec ip addr del %H/%d dev %s", addr, bits, this->guestif) == 0);
-}
-
-METHOD(iface_t, set_bridge, void,
- private_iface_t *this, bridge_t *bridge)
-{
- if (this->bridge == NULL && bridge)
- {
- this->guest->exec(this->guest, NULL, NULL,
- "exec ip link set %s up", this->guestif);
- }
- else if (this->bridge && bridge == NULL)
- {
- this->guest->exec(this->guest, NULL, NULL,
- "exec ip link set %s down", this->guestif);
- }
- this->bridge = bridge;
-}
-
-METHOD(iface_t, get_bridge, bridge_t*,
- private_iface_t *this)
-{
- return this->bridge;
-}
-
-METHOD(iface_t, get_guest, guest_t*,
- private_iface_t *this)
-{
- return this->guest;
-}
-
-/**
- * destroy the tap device
- */
-static bool destroy_tap(private_iface_t *this)
-{
- struct ifreq ifr;
- int tap;
-
- if (!iface_control(this->hostif, FALSE))
- {
- DBG1(DBG_LIB, "bringing iface down failed: %m");
- }
- memset(&ifr, 0, sizeof(ifr));
- ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
- strncpy(ifr.ifr_name, this->hostif, sizeof(ifr.ifr_name) - 1);
-
- tap = open(TAP_DEVICE, O_RDWR);
- if (tap < 0)
- {
- DBG1(DBG_LIB, "unable to open tap device %s: %m", TAP_DEVICE);
- return FALSE;
- }
- if (ioctl(tap, TUNSETIFF, &ifr) < 0 ||
- ioctl(tap, TUNSETPERSIST, 0) < 0)
- {
- DBG1(DBG_LIB, "removing %s failed: %m", this->hostif);
- close(tap);
- return FALSE;
- }
- close(tap);
- return TRUE;
-}
-
-/**
- * create the tap device
- */
-static char* create_tap(private_iface_t *this)
-{
- struct ifreq ifr;
- int tap;
-
- memset(&ifr, 0, sizeof(ifr));
- ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
- snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%s-%s",
- this->guest->get_name(this->guest), this->guestif);
-
- tap = open(TAP_DEVICE, O_RDWR);
- if (tap < 0)
- {
- DBG1(DBG_LIB, "unable to open tap device %s: %m", TAP_DEVICE);
- return NULL;
- }
- if (ioctl(tap, TUNSETIFF, &ifr) < 0 ||
- ioctl(tap, TUNSETPERSIST, 1) < 0 ||
- ioctl(tap, TUNSETOWNER, 0))
- {
- DBG1(DBG_LIB, "creating new tap device failed: %m");
- close(tap);
- return NULL;
- }
- close(tap);
- return strdup(ifr.ifr_name);
-}
-
-METHOD(iface_t, destroy, void,
- private_iface_t *this)
-{
- if (this->bridge)
- {
- this->bridge->disconnect_iface(this->bridge, &this->public);
- }
- /* TODO: iface mgmt is not blocking yet, so wait some ticks */
- usleep(50000);
- this->mconsole->del_iface(this->mconsole, this->guestif);
- destroy_tap(this);
- free(this->guestif);
- free(this->hostif);
- free(this);
-}
-
-/**
- * create the iface instance
- */
-iface_t *iface_create(char *name, guest_t *guest, mconsole_t *mconsole)
-{
- private_iface_t *this;
-
- INIT(this,
- .public = {
- .get_hostif = _get_hostif,
- .get_guestif = _get_guestif,
- .add_address = _add_address,
- .create_address_enumerator = _create_address_enumerator,
- .delete_address = _delete_address,
- .set_bridge = _set_bridge,
- .get_bridge = _get_bridge,
- .get_guest = _get_guest,
- .destroy = _destroy,
- },
- .mconsole = mconsole,
- .guestif = strdup(name),
- .guest = guest,
- );
- this->hostif = create_tap(this);
- if (this->hostif == NULL)
- {
- destroy_tap(this);
- free(this->guestif);
- free(this);
- return NULL;
- }
- if (!this->mconsole->add_iface(this->mconsole, this->guestif, this->hostif))
- {
- DBG1(DBG_LIB, "creating interface '%s' in guest failed", this->guestif);
- destroy_tap(this);
- free(this->guestif);
- free(this->hostif);
- free(this);
- return NULL;
- }
- if (!iface_control(this->hostif, TRUE))
- {
- DBG1(DBG_LIB, "bringing iface '%s' up failed: %m", this->hostif);
- }
- return &this->public;
-}
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 20:21:38 +0000