1 /*- 2 * Copyright (c) 1983, 1988 Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #ifndef lint 9 static char sccsid[] = "@(#)unix.c 5.10 (Berkeley) 04/27/91"; 10 #endif /* not lint */ 11 12 /* 13 * Display protocol blocks in the unix domain. 14 */ 15 #include <sys/param.h> 16 #include <sys/protosw.h> 17 #include <sys/socket.h> 18 #include <sys/socketvar.h> 19 #include <sys/mbuf.h> 20 #include <sys/un.h> 21 #include <sys/unpcb.h> 22 #define KERNEL 23 struct uio; 24 #include <sys/file.h> 25 26 int Aflag; 27 extern char *calloc(); 28 29 unixpr(nfileaddr, fileaddr, unixsw) 30 off_t nfileaddr, fileaddr; 31 struct protosw *unixsw; 32 { 33 register struct file *fp; 34 struct file *filep; 35 struct socket sock, *so = &sock; 36 37 if (nfileaddr == 0 || fileaddr == 0) { 38 printf("nfile or file not in namelist.\n"); 39 return; 40 } 41 if (kvm_read(nfileaddr, (char *)&nfile, sizeof (nfile)) != 42 sizeof (nfile)) { 43 printf("nfile: bad read.\n"); 44 return; 45 } 46 if (kvm_read(fileaddr, (char *)&filep, sizeof (filep)) 47 != sizeof (filep)) { 48 printf("File table address, bad read.\n"); 49 return; 50 } 51 file = (struct file *)calloc(nfile, sizeof (struct file)); 52 if (file == (struct file *)0) { 53 printf("Out of memory (file table).\n"); 54 return; 55 } 56 if (kvm_read((off_t)filep, (char *)file, nfile * sizeof (struct file)) 57 != nfile * sizeof (struct file)) { 58 printf("File table read error.\n"); 59 return; 60 } 61 fileNFILE = file + nfile; 62 for (fp = file; fp < fileNFILE; fp++) { 63 if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET) 64 continue; 65 if (kvm_read((off_t)fp->f_data, (char *)so, sizeof (*so)) 66 != sizeof (*so)) 67 continue; 68 /* kludge */ 69 if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2) 70 if (so->so_pcb) 71 unixdomainpr(so, fp->f_data); 72 } 73 free((char *)file); 74 } 75 76 static char *socktype[] = 77 { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" }; 78 79 unixdomainpr(so, soaddr) 80 register struct socket *so; 81 caddr_t soaddr; 82 { 83 struct unpcb unpcb, *unp = &unpcb; 84 struct mbuf mbuf, *m; 85 struct sockaddr_un *sa; 86 static int first = 1; 87 88 if (kvm_read((off_t)so->so_pcb, (char *)unp, sizeof (*unp)) 89 != sizeof (*unp)) 90 return; 91 if (unp->unp_addr) { 92 m = &mbuf; 93 if (kvm_read((off_t)unp->unp_addr, (char *)m, sizeof (*m)) 94 != sizeof (*m)) 95 m = (struct mbuf *)0; 96 sa = (struct sockaddr_un *)(m->m_dat); 97 } else 98 m = (struct mbuf *)0; 99 if (first) { 100 printf("Active UNIX domain sockets\n"); 101 printf( 102 "%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n", 103 "Address", "Type", "Recv-Q", "Send-Q", 104 "Inode", "Conn", "Refs", "Nextref"); 105 first = 0; 106 } 107 printf("%8x %-6.6s %6d %6d %8x %8x %8x %8x", 108 soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc, 109 unp->unp_vnode, unp->unp_conn, 110 unp->unp_refs, unp->unp_nextref); 111 if (m) 112 printf(" %.*s", m->m_len - sizeof(sa->sun_family), 113 sa->sun_path); 114 putchar('\n'); 115 } 116