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 5.9 (Berkeley) 06/18/90"; 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 #include <sys/file.h> 24 25 int Aflag; 26 extern char *calloc(); 27 28 unixpr(nfileaddr, fileaddr, unixsw) 29 off_t nfileaddr, fileaddr; 30 struct protosw *unixsw; 31 { 32 register struct file *fp; 33 struct file *filep; 34 struct socket sock, *so = &sock; 35 36 if (nfileaddr == 0 || fileaddr == 0) { 37 printf("nfile or file not in namelist.\n"); 38 return; 39 } 40 if (kvm_read(nfileaddr, (char *)&nfile, sizeof (nfile)) != 41 sizeof (nfile)) { 42 printf("nfile: bad read.\n"); 43 return; 44 } 45 if (kvm_read(fileaddr, (char *)&filep, sizeof (filep)) 46 != sizeof (filep)) { 47 printf("File table address, bad read.\n"); 48 return; 49 } 50 file = (struct file *)calloc(nfile, sizeof (struct file)); 51 if (file == (struct file *)0) { 52 printf("Out of memory (file table).\n"); 53 return; 54 } 55 if (kvm_read((off_t)filep, (char *)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 if (kvm_read((off_t)fp->f_data, (char *)so, sizeof (*so)) 65 != 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 if (kvm_read((off_t)so->so_pcb, (char *)unp, sizeof (*unp)) 88 != sizeof (*unp)) 89 return; 90 if (unp->unp_addr) { 91 m = &mbuf; 92 if (kvm_read((off_t)unp->unp_addr, (char *)m, sizeof (*m)) 93 != sizeof (*m)) 94 m = (struct mbuf *)0; 95 sa = (struct sockaddr_un *)(m->m_dat); 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_vnode, 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