diff options
Diffstat (limited to 'usr.sbin/ppp/tcp.c')
| -rw-r--r-- | usr.sbin/ppp/tcp.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/usr.sbin/ppp/tcp.c b/usr.sbin/ppp/tcp.c deleted file mode 100644 index 4ace882..0000000 --- a/usr.sbin/ppp/tcp.c +++ /dev/null @@ -1,212 +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 <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 "tcp.h" - -static int -tcp_OpenConnection(const char *name, char *host, char *port) -{ - struct sockaddr_in dest; - int sock; - struct servent *sp; - - dest.sin_family = AF_INET; - dest.sin_addr = GetIpAddr(host); - if (dest.sin_addr.s_addr == INADDR_NONE) { - log_Printf(LogWARN, "%s: %s: unknown host\n", name, host); - return -2; - } - dest.sin_port = htons(atoi(port)); - if (dest.sin_port == 0) { - sp = getservbyname(port, "tcp"); - if (sp) - dest.sin_port = sp->s_port; - else { - log_Printf(LogWARN, "%s: %s: unknown service\n", name, port); - return -2; - } - } - log_Printf(LogPHASE, "%s: Connecting to %s:%s/tcp\n", name, host, port); - - sock = socket(PF_INET, SOCK_STREAM, 0); - if (sock < 0) - return -2; - - if (connect(sock, (struct sockaddr *)&dest, sizeof dest) < 0) { - log_Printf(LogWARN, "%s: connect: %s\n", name, strerror(errno)); - close(sock); - return -2; - } - - return sock; -} - -static struct device tcpdevice = { - TCP_DEVICE, - "tcp", - 0, - { CD_NOTREQUIRED, 0 }, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL -}; - -struct device * -tcp_iov2device(int type, struct physical *p, struct iovec *iov, - int *niov, int maxiov __unused, int *auxfd __unused, - int *nauxfd __unused) -{ - if (type == TCP_DEVICE) { - free(iov[(*niov)++].iov_base); - physical_SetupStack(p, tcpdevice.name, PHYSICAL_FORCE_ASYNC); - return &tcpdevice; - } - - return NULL; -} - -struct device * -tcp_Create(struct physical *p) -{ - char *cp, *host, *port, *svc; - - 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, "/tcp")) { - *cp = ':'; - return 0; - } - if (svc) { - p->fd--; /* We own the device but maybe can't use it - change fd */ - *svc = '\0'; - } - if (*host && *port) { - p->fd = tcp_OpenConnection(p->link.name, host, port); - *cp = ':'; - if (svc) - *svc = '/'; - if (p->fd >= 0) - log_Printf(LogDEBUG, "%s: Opened tcp socket %s\n", p->link.name, - p->name.full); - } else { - if (svc) - *svc = '/'; - *cp = ':'; - } - } - } - - if (p->fd >= 0) { - /* See if we're a tcp 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_STREAM) { - struct sockaddr_in sock; - struct sockaddr *sockp = (struct sockaddr *)&sock; - - if (*p->name.full == '\0') { - sz = sizeof sock; - if (getpeername(p->fd, sockp, &sz) != 0 || - sz != sizeof(struct sockaddr_in) || sock.sin_family != AF_INET) { - log_Printf(LogDEBUG, "%s: Link is SOCK_STREAM, but not inet\n", - p->link.name); - return NULL; - } - - log_Printf(LogPHASE, "%s: Link is a tcp socket\n", p->link.name); - - snprintf(p->name.full, sizeof p->name.full, "%s:%d/tcp", - inet_ntoa(sock.sin_addr), ntohs(sock.sin_port)); - p->name.base = p->name.full; - } - physical_SetupStack(p, tcpdevice.name, PHYSICAL_FORCE_ASYNC); - if (p->cfg.cd.necessity != CD_DEFAULT) - log_Printf(LogWARN, "Carrier settings ignored\n"); - return &tcpdevice; - } - } - } - - return NULL; -} |
