diff options
Diffstat (limited to 'network_cmds/netstat.tproj/unix.c')
| -rw-r--r-- | network_cmds/netstat.tproj/unix.c | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/network_cmds/netstat.tproj/unix.c b/network_cmds/netstat.tproj/unix.c new file mode 100644 index 0000000..eece65a --- /dev/null +++ b/network_cmds/netstat.tproj/unix.c @@ -0,0 +1,231 @@ +/* + * Copyright (c) 2008-2009 Apple Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ +/*- + * Copyright (c) 1983, 1988, 1993 + * The Regents of the University of California. 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + */ + +/* + * Display protocol blocks in the unix domain. + */ +#include <sys/param.h> +#include <sys/queue.h> +#include <sys/socket.h> +#include <sys/socketvar.h> +#include <sys/mbuf.h> +#include <sys/sysctl.h> +#include <sys/un.h> +#include <sys/unpcb.h> + +#include <netinet/in.h> + +#include <errno.h> +#include <err.h> +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include "netstat.h" + +#ifdef __APPLE__ +#include <TargetConditionals.h> +#endif + +#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) +static void unixdomainpr __P((struct xunpcb64 *, struct xsocket64 *)); +#else +static void unixdomainpr __P((struct xunpcb *, struct xsocket *)); +#endif + +static const char *const socktype[] = + { "#0", "stream", "dgram", "raw" }; + +void +unixpr() +{ + char *buf; + int type; + size_t len; + struct xunpgen *xug, *oxug; +#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) + struct xsocket64 *so; + struct xunpcb64 *xunp; + char mibvar[sizeof "net.local.seqpacket.pcblist64"]; +#else + struct xsocket *so; + struct xunpcb *xunp; + char mibvar[sizeof "net.local.seqpacket.pcblist"]; +#endif + + for (type = SOCK_STREAM; type <= SOCK_RAW; type++) { +#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) + snprintf(mibvar, sizeof(mibvar), "net.local.%s.pcblist64", socktype[type]); +#else + snprintf(mibvar, sizeof(mibvar), "net.local.%s.pcblist", socktype[type]); +#endif + len = 0; + if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { + if (errno != ENOENT) + warn("sysctl: %s", mibvar); + continue; + } + if ((buf = malloc(len)) == 0) { + warn("malloc %lu bytes", (u_long)len); + return; + } + if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { + warn("sysctl: %s", mibvar); + free(buf); + return; + } + + oxug = xug = (struct xunpgen *)buf; + for (xug = (struct xunpgen *)((char *)xug + xug->xug_len); + xug->xug_len > sizeof(struct xunpgen); + xug = (struct xunpgen *)((char *)xug + xug->xug_len)) { +#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) + xunp = (struct xunpcb64 *)xug; +#else + xunp = (struct xunpcb *)xug; +#endif + so = &xunp->xu_socket; + + /* Ignore PCBs which were freed during copyout. */ +#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) + if (xunp->xunp_gencnt > oxug->xug_gen) +#else + if (xunp->xu_unp.unp_gencnt > oxug->xug_gen) +#endif + continue; + unixdomainpr(xunp, so); + } + if (xug != oxug && xug->xug_gen != oxug->xug_gen) { + if (oxug->xug_count > xug->xug_count) { + printf("Some %s sockets may have been deleted.\n", + socktype[type]); + } else if (oxug->xug_count < xug->xug_count) { + printf("Some %s sockets may have been created.\n", + socktype[type]); + } else { + printf("Some %s sockets may have been created or deleted\n", + socktype[type]); + } + } + free(buf); + } +} + +static void +unixdomainpr(xunp, so) +#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) + struct xunpcb64 *xunp; + struct xsocket64 *so; +#else + struct xunpcb *xunp; + struct xsocket *so; +#endif +{ +#if (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) + struct unpcb *unp; +#endif + struct sockaddr_un *sa; + static int first = 1; + +#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) + sa = &xunp->xu_addr; +#else + unp = &xunp->xu_unp; + if (unp->unp_addr) + sa = &xunp->xu_addr; + else + sa = (struct sockaddr_un *)0; +#endif + + if (first) { + printf("Active LOCAL (UNIX) domain sockets\n"); + printf( +#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) +"%-16.16s %-6.6s %-6.6s %-6.6s %16.16s %16.16s %16.16s %16.16s Addr\n", +#else +"%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n", +#endif + "Address", "Type", "Recv-Q", "Send-Q", + "Inode", "Conn", "Refs", "Nextref"); + first = 0; + } +#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) + printf("%16lx %-6.6s %6u %6u %16lx %16lx %16lx %16lx", + (long)xunp->xu_unpp, socktype[so->so_type], so->so_rcv.sb_cc, + so->so_snd.sb_cc, + (long)xunp->xunp_vnode, (long)xunp->xunp_conn, + (long)xunp->xunp_refs, (long)xunp->xunp_reflink.le_next); +#else + printf("%8lx %-6.6s %6u %6u %8lx %8lx %8lx %8lx", + (long)so->so_pcb, socktype[so->so_type], so->so_rcv.sb_cc, + so->so_snd.sb_cc, + (long)unp->unp_vnode, (long)unp->unp_conn, + (long)unp->unp_refs.lh_first, (long)unp->unp_reflink.le_next); +#endif + +#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) + if (sa->sun_len) +#else + if (sa) +#endif + printf(" %.*s", + (int)(sa->sun_len - offsetof(struct sockaddr_un, sun_path)), + sa->sun_path); + putchar('\n'); +} |