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Diffstat (limited to 'usr.bin/systat/netcmds.c')
-rw-r--r-- | usr.bin/systat/netcmds.c | 308 |
1 files changed, 0 insertions, 308 deletions
diff --git a/usr.bin/systat/netcmds.c b/usr.bin/systat/netcmds.c deleted file mode 100644 index 3790c2a..0000000 --- a/usr.bin/systat/netcmds.c +++ /dev/null @@ -1,308 +0,0 @@ -/*- - * Copyright (c) 1980, 1992, 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. - */ - -#ifndef lint -static char sccsid[] = "@(#)netcmds.c 8.1 (Berkeley) 6/6/93"; -#endif /* not lint */ - -/* - * Common network command support routines. - */ -#include <sys/param.h> -#include <sys/socket.h> -#include <sys/socketvar.h> -#include <sys/mbuf.h> -#include <sys/protosw.h> - -#include <net/route.h> -#include <netinet/in.h> -#include <netinet/in_systm.h> -#include <netinet/ip.h> -#include <netinet/in_pcb.h> - -#include <netdb.h> -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include "systat.h" -#include "extern.h" - -#define streq(a,b) (strcmp(a,b)==0) - -static struct hitem { - struct in_addr addr; - int onoff; -} *hosts; - -int nports, nhosts, protos; - -static void changeitems __P((char *, int)); -static int selectproto __P((char *)); -static void showprotos __P((void)); -static int selectport __P((long, int)); -static void showports __P((void)); -static int selecthost __P((struct in_addr *, int)); -static void showhosts __P((void)); - -int -netcmd(cmd, args) - char *cmd, *args; -{ - - if (prefix(cmd, "tcp") || prefix(cmd, "udp")) { - selectproto(cmd); - return (1); - } - if (prefix(cmd, "ignore") || prefix(cmd, "display")) { - changeitems(args, prefix(cmd, "display")); - return (1); - } - if (prefix(cmd, "reset")) { - selectproto(0); - selecthost(0, 0); - selectport(-1, 0); - return (1); - } - if (prefix(cmd, "show")) { - move(CMDLINE, 0); clrtoeol(); - if (*args == '\0') { - showprotos(); - showhosts(); - showports(); - return (1); - } - if (prefix(args, "protos")) - showprotos(); - else if (prefix(args, "hosts")) - showhosts(); - else if (prefix(args, "ports")) - showports(); - else - addstr("show what?"); - return (1); - } - return (0); -} - - -static void -changeitems(args, onoff) - char *args; - int onoff; -{ - register char *cp; - struct servent *sp; - struct hostent *hp; - struct in_addr in; - char *index(); - - cp = index(args, '\n'); - if (cp) - *cp = '\0'; - for (;;args = cp) { - for (cp = args; *cp && isspace(*cp); cp++) - ; - args = cp; - for (; *cp && !isspace(*cp); cp++) - ; - if (*cp) - *cp++ = '\0'; - if (cp - args == 0) - break; - sp = getservbyname(args, - protos == TCP ? "tcp" : protos == UDP ? "udp" : 0); - if (sp) { - selectport(sp->s_port, onoff); - continue; - } - hp = gethostbyname(args); - if (hp == 0) { - in.s_addr = inet_addr(args); - if (in.s_addr == -1) { - error("%s: unknown host or port", args); - continue; - } - } else - in = *(struct in_addr *)hp->h_addr; - selecthost(&in, onoff); - } -} - -static int -selectproto(proto) - char *proto; -{ - int new = protos; - - if (proto == 0 || streq(proto, "all")) - new = TCP|UDP; - else if (streq(proto, "tcp")) - new = TCP; - else if (streq(proto, "udp")) - new = UDP; - return (new != protos, protos = new); -} - -static void -showprotos() -{ - - if ((protos&TCP) == 0) - addch('!'); - addstr("tcp "); - if ((protos&UDP) == 0) - addch('!'); - addstr("udp "); -} - -static struct pitem { - long port; - int onoff; -} *ports; - -static int -selectport(port, onoff) - long port; - int onoff; -{ - register struct pitem *p; - - if (port == -1) { - if (ports == 0) - return (0); - free((char *)ports), ports = 0; - nports = 0; - return (1); - } - for (p = ports; p < ports+nports; p++) - if (p->port == port) { - p->onoff = onoff; - return (0); - } - if (nports == 0) - ports = (struct pitem *)malloc(sizeof (*p)); - else - ports = (struct pitem *)realloc(ports, (nports+1)*sizeof (*p)); - p = &ports[nports++]; - p->port = port; - p->onoff = onoff; - return (1); -} - -int -checkport(inp) - register struct inpcb *inp; -{ - register struct pitem *p; - - if (ports) - for (p = ports; p < ports+nports; p++) - if (p->port == inp->inp_lport || p->port == inp->inp_fport) - return (p->onoff); - return (1); -} - -static void -showports() -{ - register struct pitem *p; - struct servent *sp; - - for (p = ports; p < ports+nports; p++) { - sp = getservbyport(p->port, - protos == TCP|UDP ? 0 : protos == TCP ? "tcp" : "udp"); - if (!p->onoff) - addch('!'); - if (sp) - printw("%s ", sp->s_name); - else - printw("%d ", p->port); - } -} - -static int -selecthost(in, onoff) - struct in_addr *in; - int onoff; -{ - register struct hitem *p; - - if (in == 0) { - if (hosts == 0) - return (0); - free((char *)hosts), hosts = 0; - nhosts = 0; - return (1); - } - for (p = hosts; p < hosts+nhosts; p++) - if (p->addr.s_addr == in->s_addr) { - p->onoff = onoff; - return (0); - } - if (nhosts == 0) - hosts = (struct hitem *)malloc(sizeof (*p)); - else - hosts = (struct hitem *)realloc(hosts, (nhosts+1)*sizeof (*p)); - p = &hosts[nhosts++]; - p->addr = *in; - p->onoff = onoff; - return (1); -} - -int -checkhost(inp) - register struct inpcb *inp; -{ - register struct hitem *p; - - if (hosts) - for (p = hosts; p < hosts+nhosts; p++) - if (p->addr.s_addr == inp->inp_laddr.s_addr || - p->addr.s_addr == inp->inp_faddr.s_addr) - return (p->onoff); - return (1); -} - -static void -showhosts() -{ - register struct hitem *p; - struct hostent *hp; - - for (p = hosts; p < hosts+nhosts; p++) { - hp = gethostbyaddr((char *)&p->addr, sizeof (p->addr), AF_INET); - if (!p->onoff) - addch('!'); - printw("%s ", hp ? hp->h_name : (char *)inet_ntoa(p->addr)); - } -} |