Annotation of src/usr.bin/netstat/unix.c, Revision 1.22
1.22 ! guenther 1: /* $OpenBSD: unix.c,v 1.21 2013/10/22 16:40:28 guenther Exp $ */
1.1 deraadt 2: /* $NetBSD: unix.c,v 1.13 1995/10/03 21:42:48 thorpej Exp $ */
3:
4: /*-
5: * Copyright (c) 1983, 1988, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
1.10 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: */
32:
33: /*
34: * Display protocol blocks in the unix domain.
35: */
36: #include <sys/param.h>
37: #include <sys/protosw.h>
38: #include <sys/socket.h>
39: #include <sys/socketvar.h>
40: #include <sys/mbuf.h>
41: #include <sys/sysctl.h>
42: #include <sys/un.h>
43: #include <sys/unpcb.h>
44: #define _KERNEL
45: #include <sys/file.h>
1.21 guenther 46: #undef _KERNEL
1.1 deraadt 47:
48: #include <netinet/in.h>
49:
1.5 millert 50: #include <limits.h>
1.1 deraadt 51: #include <stdio.h>
52: #include <stdlib.h>
53: #include <kvm.h>
54: #include "netstat.h"
55:
1.21 guenther 56: static void unixdomainpr(const struct kinfo_file *, u_long);
1.1 deraadt 57:
58: void
1.21 guenther 59: unixpr(kvm_t *kvmd, u_long pcbaddr)
1.1 deraadt 60: {
1.21 guenther 61: struct kinfo_file *kf;
62: int i, fcnt;
1.1 deraadt 63:
1.21 guenther 64: kf = kvm_getfiles(kvmd, KERN_FILE_BYFILE, 0, sizeof(*kf), &fcnt);
65: if (kf == NULL) {
1.1 deraadt 66: printf("Out of memory (file table).\n");
67: return;
68: }
1.21 guenther 69: for (i = 0; i < fcnt; i++) {
70: if (kf[i].f_count != 0 && kf[i].f_type == DTYPE_SOCKET &&
71: kf[i].so_family == AF_LOCAL && (kf[i].so_pcb != 0 ||
72: kf[i].unp_path[0] != '\0'))
73: unixdomainpr(&kf[i], pcbaddr);
1.1 deraadt 74: }
75: }
76:
1.21 guenther 77: static const char *socktype[] =
1.1 deraadt 78: { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
79:
80: static void
1.21 guenther 81: unixdomainpr(const struct kinfo_file *kf, u_long pcbaddr)
1.1 deraadt 82: {
83: static int first = 1;
84:
1.15 bluhm 85: if (Pflag) {
1.21 guenther 86: if (pcbaddr == kf->f_data)
1.15 bluhm 87: socket_dump(pcbaddr);
88: return;
89: }
90:
1.1 deraadt 91: if (first) {
92: printf("Active UNIX domain sockets\n");
1.11 deraadt 93: printf("%-*.*s %-6.6s %-6.6s %-6.6s %*.*s %*.*s %*.*s %*.*s Addr\n",
1.5 millert 94: PLEN, PLEN, "Address", "Type", "Recv-Q", "Send-Q",
95: PLEN, PLEN, "Inode", PLEN, PLEN, "Conn",
96: PLEN, PLEN, "Refs", PLEN, PLEN, "Nextref");
1.1 deraadt 97: first = 0;
98: }
1.21 guenther 99:
100: #define FAKE_PTR(p) (PLEN - ((p) ? 0 : 2)), p, ((p) ? "" : "x0")
1.22 ! guenther 101: printf("%#*llx%s %-6.6s %6llu %6llu %#*llx%s %#*llx%s %#*llx%s %#*llx%s",
1.21 guenther 102: FAKE_PTR(kf->f_data), socktype[kf->so_type],
103: kf->so_rcv_cc, kf->so_snd_cc,
104: FAKE_PTR(kf->v_un),
105: FAKE_PTR(kf->unp_conn),
106: FAKE_PTR(kf->unp_refs),
107: FAKE_PTR(kf->unp_nextref));
108: if (kf->unp_path[0] != '\0')
109: printf(" %.*s", KI_UNPPATHLEN, kf->unp_path);
1.1 deraadt 110: putchar('\n');
1.15 bluhm 111: }
112:
113: /*
114: * Dump the contents of a UNIX PCB
115: */
116: void
117: unpcb_dump(u_long off)
118: {
119: struct unpcb unp;
120:
121: if (off == 0)
122: return;
123: kread(off, &unp, sizeof(unp));
124:
1.18 deraadt 125: #define p(fmt, v, sep) printf(#v " " fmt sep, unp.v);
126: #define pll(fmt, v, sep) printf(#v " " fmt sep, (long long) unp.v);
1.19 deraadt 127: #define pull(fmt, v, sep) printf(#v " " fmt sep, (unsigned long long) unp.v);
1.16 deraadt 128: #define pp(fmt, v, sep) printf(#v " " fmt sep, hideroot ? 0 : unp.v);
129: printf("unpcb %#lx\n ", hideroot ? 0 : off);
130: pp("%p", unp_socket, "\n ");
131: pp("%p", unp_vnode, ", ");
1.19 deraadt 132: pull("%llu", unp_ino, "\n ");
1.16 deraadt 133: pp("%p", unp_conn, ", ");
134: pp("%p", unp_refs, ", ");
135: pp("%p", unp_nextref, "\n ");
136: pp("%p", unp_addr, "\n ");
1.20 guenther 137: p("%#.8x", unp_flags, "\n ");
1.18 deraadt 138: p("%u", unp_connid.uid, ", ");
139: p("%u", unp_connid.gid, ", ");
140: p("%d", unp_connid.pid, "\n ");
141: p("%d", unp_cc, ", ");
142: p("%d", unp_mbcnt, "\n ");
143: pll("%lld", unp_ctime.tv_sec, ", ");
144: p("%ld", unp_ctime.tv_nsec, "\n");
1.15 bluhm 145: #undef p
1.16 deraadt 146: #undef pp
1.1 deraadt 147: }