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-rw-r--r--usr.sbin/ppp/udp.c335
1 files changed, 0 insertions, 335 deletions
diff --git a/usr.sbin/ppp/udp.c b/usr.sbin/ppp/udp.c
deleted file mode 100644
index d9f3252..0000000
--- a/usr.sbin/ppp/udp.c
+++ /dev/null
@@ -1,335 +0,0 @@
-/*-
- * Copyright (c) 1999 Brian Somers <brian@Awfulhak.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sysexits.h>
-#include <sys/stat.h>
-#include <sys/uio.h>
-#include <termios.h>
-#include <unistd.h>
-
-#include "layer.h"
-#include "defs.h"
-#include "mbuf.h"
-#include "log.h"
-#include "timer.h"
-#include "lqr.h"
-#include "hdlc.h"
-#include "throughput.h"
-#include "fsm.h"
-#include "lcp.h"
-#include "ccp.h"
-#include "link.h"
-#include "async.h"
-#include "descriptor.h"
-#include "physical.h"
-#include "main.h"
-#include "udp.h"
-
-
-#define UDP_CONNECTED 1
-#define UDP_UNCONNECTED 2
-#define UDP_MAYBEUNCONNECTED 3
-
-struct udpdevice {
- struct device dev; /* What struct physical knows about */
- struct sockaddr_in sock; /* peer address */
- unsigned connected : 2; /* Have we connect()d ? */
-};
-
-#define device2udp(d) ((d)->type == UDP_DEVICE ? (struct udpdevice *)d : NULL)
-
-unsigned
-udp_DeviceSize(void)
-{
- return sizeof(struct udpdevice);
-}
-
-static ssize_t
-udp_Sendto(struct physical *p, const void *v, size_t n)
-{
- struct udpdevice *dev = device2udp(p->handler);
- int ret;
-
- switch (dev->connected) {
- case UDP_CONNECTED:
- ret = write(p->fd, v, n);
- break;
-
- case UDP_UNCONNECTED:
- default:
- ret = sendto(p->fd, v, n, 0, (struct sockaddr *)&dev->sock,
- sizeof dev->sock);
- break;
- }
- if (dev->connected == UDP_MAYBEUNCONNECTED) {
- if (ret == -1 && errno == EISCONN) {
- dev->connected = UDP_CONNECTED;
- ret = write(p->fd, v, n);
- } else
- dev->connected = UDP_UNCONNECTED;
- }
-
- return ret;
-}
-
-static ssize_t
-udp_Recvfrom(struct physical *p, void *v, size_t n)
-{
- struct udpdevice *dev = device2udp(p->handler);
- int sz, ret;
-
- if (dev->connected == UDP_CONNECTED)
- return read(p->fd, v, n);
-
- sz = sizeof dev->sock;
- ret = recvfrom(p->fd, v, n, 0, (struct sockaddr *)&dev->sock, &sz);
-
- if (*p->name.full == '\0') {
- snprintf(p->name.full, sizeof p->name.full, "%s:%d/udp",
- inet_ntoa(dev->sock.sin_addr), ntohs(dev->sock.sin_port));
- p->name.base = p->name.full;
- }
-
- return ret;
-}
-
-static void
-udp_Free(struct physical *p)
-{
- struct udpdevice *dev = device2udp(p->handler);
-
- free(dev);
-}
-
-static void
-udp_device2iov(struct device *d, struct iovec *iov, int *niov,
- int maxiov __unused, int *auxfd __unused, int *nauxfd __unused)
-{
- int sz = physical_MaxDeviceSize();
-
- iov[*niov].iov_base = realloc(d, sz);
- if (iov[*niov].iov_base == NULL) {
- log_Printf(LogALERT, "Failed to allocate memory: %d\n", sz);
- AbortProgram(EX_OSERR);
- }
- iov[*niov].iov_len = sz;
- (*niov)++;
-}
-
-static const struct device baseudpdevice = {
- UDP_DEVICE,
- "udp",
- 0,
- { CD_NOTREQUIRED, 0 },
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- udp_Free,
- udp_Recvfrom,
- udp_Sendto,
- udp_device2iov,
- NULL,
- NULL,
- NULL
-};
-
-struct device *
-udp_iov2device(int type, struct physical *p, struct iovec *iov, int *niov,
- int maxiov __unused, int *auxfd __unused, int *nauxfd __unused)
-{
- if (type == UDP_DEVICE) {
- struct udpdevice *dev = (struct udpdevice *)iov[(*niov)++].iov_base;
-
- dev = realloc(dev, sizeof *dev); /* Reduce to the correct size */
- if (dev == NULL) {
- log_Printf(LogALERT, "Failed to allocate memory: %d\n",
- (int)(sizeof *dev));
- AbortProgram(EX_OSERR);
- }
-
- /* Refresh function pointers etc */
- memcpy(&dev->dev, &baseudpdevice, sizeof dev->dev);
-
- physical_SetupStack(p, dev->dev.name, PHYSICAL_FORCE_SYNC);
- return &dev->dev;
- }
-
- return NULL;
-}
-
-static struct udpdevice *
-udp_CreateDevice(struct physical *p, char *host, char *port)
-{
- struct udpdevice *dev;
- struct servent *sp;
-
- if ((dev = malloc(sizeof *dev)) == NULL) {
- log_Printf(LogWARN, "%s: Cannot allocate a udp device: %s\n",
- p->link.name, strerror(errno));
- return NULL;
- }
-
- dev->sock.sin_family = AF_INET;
- dev->sock.sin_addr = GetIpAddr(host);
- if (dev->sock.sin_addr.s_addr == INADDR_NONE) {
- log_Printf(LogWARN, "%s: %s: unknown host\n", p->link.name, host);
- free(dev);
- return NULL;
- }
- dev->sock.sin_port = htons(atoi(port));
- if (dev->sock.sin_port == 0) {
- sp = getservbyname(port, "udp");
- if (sp)
- dev->sock.sin_port = sp->s_port;
- else {
- log_Printf(LogWARN, "%s: %s: unknown service\n", p->link.name, port);
- free(dev);
- return NULL;
- }
- }
-
- log_Printf(LogPHASE, "%s: Connecting to %s:%s/udp\n", p->link.name,
- host, port);
-
- p->fd = socket(PF_INET, SOCK_DGRAM, 0);
- if (p->fd >= 0) {
- log_Printf(LogDEBUG, "%s: Opened udp socket %s\n", p->link.name,
- p->name.full);
- if (connect(p->fd, (struct sockaddr *)&dev->sock, sizeof dev->sock) == 0) {
- dev->connected = UDP_CONNECTED;
- return dev;
- } else
- log_Printf(LogWARN, "%s: connect: %s\n", p->name.full, strerror(errno));
- } else
- log_Printf(LogWARN, "%s: socket: %s\n", p->name.full, strerror(errno));
-
- close(p->fd);
- p->fd = -1;
- free(dev);
-
- return NULL;
-}
-
-struct device *
-udp_Create(struct physical *p)
-{
- char *cp, *host, *port, *svc;
- struct udpdevice *dev;
-
- dev = NULL;
- if (p->fd < 0) {
- if ((cp = strchr(p->name.full, ':')) != NULL && !strchr(cp + 1, ':')) {
- *cp = '\0';
- host = p->name.full;
- port = cp + 1;
- svc = strchr(port, '/');
- if (svc && strcasecmp(svc, "/udp")) {
- *cp = ':';
- return NULL;
- }
- if (svc) {
- p->fd--; /* We own the device but maybe can't use it - change fd */
- *svc = '\0';
- }
-
- if (*host && *port)
- dev = udp_CreateDevice(p, host, port);
-
- *cp = ':';
- if (svc)
- *svc = '/';
- }
- } else {
- /* See if we're a connected udp socket */
- struct stat st;
-
- if (fstat(p->fd, &st) != -1 && (st.st_mode & S_IFSOCK)) {
- int type, sz;
-
- sz = sizeof type;
- if (getsockopt(p->fd, SOL_SOCKET, SO_TYPE, &type, &sz) == -1) {
- log_Printf(LogPHASE, "%s: Link is a closed socket !\n", p->link.name);
- close(p->fd);
- p->fd = -1;
- return NULL;
- }
-
- if (sz == sizeof type && type == SOCK_DGRAM) {
- struct sockaddr_in sock;
- struct sockaddr *sockp = (struct sockaddr *)&sock;
-
- if ((dev = malloc(sizeof *dev)) == NULL) {
- log_Printf(LogWARN, "%s: Cannot allocate a udp device: %s\n",
- p->link.name, strerror(errno));
- return NULL;
- }
-
- if (getpeername(p->fd, sockp, &sz) == 0) {
- log_Printf(LogPHASE, "%s: Link is a connected udp socket\n",
- p->link.name);
- dev->connected = UDP_CONNECTED;
- } else {
- log_Printf(LogPHASE, "%s: Link is a disconnected udp socket\n",
- p->link.name);
-
- dev->connected = UDP_MAYBEUNCONNECTED;
-
- if (p->link.lcp.cfg.openmode != OPEN_PASSIVE) {
- log_Printf(LogPHASE, "%s: Changing openmode to PASSIVE\n",
- p->link.name);
- p->link.lcp.cfg.openmode = OPEN_PASSIVE;
- }
- }
- }
- }
- }
-
- if (dev) {
- memcpy(&dev->dev, &baseudpdevice, sizeof dev->dev);
- physical_SetupStack(p, dev->dev.name, PHYSICAL_FORCE_SYNC);
- if (p->cfg.cd.necessity != CD_DEFAULT)
- log_Printf(LogWARN, "Carrier settings ignored\n");
- return &dev->dev;
- }
-
- return NULL;
-}
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