diff options
Diffstat (limited to 'usr.sbin/ppp/atm.c')
-rw-r--r-- | usr.sbin/ppp/atm.c | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/usr.sbin/ppp/atm.c b/usr.sbin/ppp/atm.c deleted file mode 100644 index 6e0ce75..0000000 --- a/usr.sbin/ppp/atm.c +++ /dev/null @@ -1,237 +0,0 @@ -/*- - * Copyright (c) 2000 Jakob Stoklund Olesen <stoklund@taxidriver.dk> - * 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 <net/if.h> -#include <netnatm/natm.h> - -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sysexits.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 "atm.h" - -/* String identifying PPPoA */ -#define PPPOA "PPPoA" -#define PPPOA_LEN (sizeof(PPPOA) - 1) - -struct atmdevice { - struct device dev; /* What struct physical knows about */ -}; - -#define device2atm(d) ((d)->type == ATM_DEVICE ? (struct atmdevice *)d : NULL) - -unsigned -atm_DeviceSize(void) -{ - return sizeof(struct atmdevice); -} - -static ssize_t -atm_Sendto(struct physical *p, const void *v, size_t n) -{ - ssize_t ret = write(p->fd, v, n); - if (ret < 0) { - log_Printf(LogDEBUG, "atm_Sendto(%ld): %s\n", (long)n, strerror(errno)); - return ret; - } - return ret; -} - -static ssize_t -atm_Recvfrom(struct physical *p, void *v, size_t n) -{ - ssize_t ret = read(p->fd, (char*)v, n); - if (ret < 0) { - log_Printf(LogDEBUG, "atm_Recvfrom(%ld): %s\n", (long)n, strerror(errno)); - return ret; - } - return ret; -} - -static void -atm_Free(struct physical *p) -{ - struct atmdevice *dev = device2atm(p->handler); - - free(dev); -} - -static void -atm_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 baseatmdevice = { - ATM_DEVICE, - "atm", - 0, - { CD_NOTREQUIRED, 0 }, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - atm_Free, - atm_Recvfrom, - atm_Sendto, - atm_device2iov, - NULL, - NULL, - NULL -}; - -struct device * -atm_iov2device(int type, struct physical *p, struct iovec *iov, int *niov, - int maxiov __unused, int *auxfd __unused, int *nauxfd __unused) -{ - if (type == ATM_DEVICE) { - struct atmdevice *dev = (struct atmdevice *)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, &baseatmdevice, sizeof dev->dev); - - physical_SetupStack(p, dev->dev.name, PHYSICAL_FORCE_SYNCNOACF); - return &dev->dev; - } - - return NULL; -} - -static struct atmdevice * -atm_CreateDevice(struct physical *p, const char *iface, unsigned vpi, - unsigned vci) -{ - struct atmdevice *dev; - struct sockaddr_natm sock; - - if ((dev = calloc(1, sizeof *dev)) == NULL) { - log_Printf(LogWARN, "%s: Cannot allocate an atm device: %s\n", - p->link.name, strerror(errno)); - return NULL; - } - - sock.snatm_len = sizeof sock; - sock.snatm_family = AF_NATM; - strncpy(sock.snatm_if, iface, IFNAMSIZ); - sock.snatm_vpi = vpi; - sock.snatm_vci = vci; - - log_Printf(LogPHASE, "%s: Connecting to %s:%u.%u\n", p->link.name, - iface, vpi, vci); - - p->fd = socket(PF_NATM, SOCK_DGRAM, PROTO_NATMAAL5); - if (p->fd >= 0) { - log_Printf(LogDEBUG, "%s: Opened atm socket %s\n", p->link.name, - p->name.full); - if (connect(p->fd, (struct sockaddr *)&sock, sizeof sock) == 0) - 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 * -atm_Create(struct physical *p) -{ - struct atmdevice *dev; - - dev = NULL; - if (p->fd < 0 && !strncasecmp(p->name.full, PPPOA, PPPOA_LEN) - && p->name.full[PPPOA_LEN] == ':') { - char iface[25]; - unsigned vci, vpi; - - if (sscanf(p->name.full + PPPOA_LEN + 1, "%25[A-Za-z0-9]:%u.%u", iface, - &vpi, &vci) != 3) { - log_Printf(LogWARN, "Malformed ATM device name \'%s\', " - "PPPoA:if:vpi.vci expected\n", p->name.full); - return NULL; - } - - dev = atm_CreateDevice(p, iface, vpi, vci); - } - - if (dev) { - memcpy(&dev->dev, &baseatmdevice, sizeof dev->dev); - physical_SetupStack(p, dev->dev.name, PHYSICAL_FORCE_SYNCNOACF); - if (p->cfg.cd.necessity != CD_DEFAULT) - log_Printf(LogWARN, "Carrier settings ignored\n"); - return &dev->dev; - } - - return NULL; -} |