1 /* 2 * Copyright (c) 1983 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 */ 6 7 #ifndef lint 8 static char sccsid[] = "@(#)unix.c 5.3 (Berkeley) 05/08/86"; 9 #endif not lint 10 11 /* 12 * Display protocol blocks in the unix domain. 13 */ 14 #include <sys/param.h> 15 #include <sys/protosw.h> 16 #include <sys/socket.h> 17 #include <sys/socketvar.h> 18 #include <sys/mbuf.h> 19 #include <sys/un.h> 20 #include <sys/unpcb.h> 21 #define KERNEL 22 #include <sys/file.h> 23 24 int Aflag; 25 int kmem; 26 27 unixpr(nfileaddr, fileaddr, unixsw) 28 off_t nfileaddr, fileaddr; 29 struct protosw *unixsw; 30 { 31 register struct file *fp; 32 struct file *filep; 33 struct socket sock, *so = &sock; 34 35 if (nfileaddr == 0 || fileaddr == 0) { 36 printf("nfile or file not in namelist.\n"); 37 return; 38 } 39 klseek(kmem, nfileaddr, L_SET); 40 if (read(kmem, &nfile, sizeof (nfile)) != sizeof (nfile)) { 41 printf("nfile: bad read.\n"); 42 return; 43 } 44 klseek(kmem, fileaddr, L_SET); 45 if (read(kmem, &filep, sizeof (filep)) != sizeof (filep)) { 46 printf("File table address, bad read.\n"); 47 return; 48 } 49 file = (struct file *)calloc(nfile, sizeof (struct file)); 50 if (file == (struct file *)0) { 51 printf("Out of memory (file table).\n"); 52 return; 53 } 54 klseek(kmem, (off_t)filep, L_SET); 55 if (read(kmem, file, nfile * sizeof (struct file)) != 56 nfile * sizeof (struct file)) { 57 printf("File table read error.\n"); 58 return; 59 } 60 fileNFILE = file + nfile; 61 for (fp = file; fp < fileNFILE; fp++) { 62 if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET) 63 continue; 64 klseek(kmem, fp->f_data, L_SET); 65 if (read(kmem, so, sizeof (*so)) != sizeof (*so)) 66 continue; 67 /* kludge */ 68 if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2) 69 if (so->so_pcb) 70 unixdomainpr(so, fp->f_data); 71 } 72 free((char *)file); 73 } 74 75 static char *socktype[] = 76 { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" }; 77 78 unixdomainpr(so, soaddr) 79 register struct socket *so; 80 caddr_t soaddr; 81 { 82 struct unpcb unpcb, *unp = &unpcb; 83 struct mbuf mbuf, *m; 84 struct sockaddr_un *sa; 85 static int first = 1; 86 87 klseek(kmem, so->so_pcb, L_SET); 88 if (read(kmem, unp, sizeof (*unp)) != sizeof (*unp)) 89 return; 90 if (unp->unp_addr) { 91 m = &mbuf; 92 klseek(kmem, unp->unp_addr, L_SET); 93 if (read(kmem, m, sizeof (*m)) != sizeof (*m)) 94 m = (struct mbuf *)0; 95 sa = mtod(m, struct sockaddr_un *); 96 } else 97 m = (struct mbuf *)0; 98 if (first) { 99 printf("Active UNIX domain sockets\n"); 100 printf( 101 "%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n", 102 "Address", "Type", "Recv-Q", "Send-Q", 103 "Inode", "Conn", "Refs", "Nextref"); 104 first = 0; 105 } 106 printf("%8x %-6.6s %6d %6d %8x %8x %8x %8x", 107 soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc, 108 unp->unp_inode, unp->unp_conn, 109 unp->unp_refs, unp->unp_nextref); 110 if (m) 111 printf(" %.*s", m->m_len - sizeof(sa->sun_family), 112 sa->sun_path); 113 putchar('\n'); 114 } 115