diff options
Diffstat (limited to 'usr.sbin/nghook')
| -rw-r--r-- | usr.sbin/nghook/Makefile | 11 | ||||
| -rw-r--r-- | usr.sbin/nghook/main.c | 309 | ||||
| -rw-r--r-- | usr.sbin/nghook/nghook.8 | 145 |
3 files changed, 0 insertions, 465 deletions
diff --git a/usr.sbin/nghook/Makefile b/usr.sbin/nghook/Makefile deleted file mode 100644 index e427f26..0000000 --- a/usr.sbin/nghook/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# $FreeBSD$ -# $Whistle: Makefile,v 1.4 1999/01/16 04:44:33 archie Exp $ - -PROG= nghook -MAN= nghook.8 -SRCS= main.c - -DPADD= ${LIBNETGRAPH} -LDADD= -lnetgraph - -.include <bsd.prog.mk> diff --git a/usr.sbin/nghook/main.c b/usr.sbin/nghook/main.c deleted file mode 100644 index 700ca5e..0000000 --- a/usr.sbin/nghook/main.c +++ /dev/null @@ -1,309 +0,0 @@ -/* - * main.c - * - * Copyright (c) 1996-1999 Whistle Communications, Inc. - * All rights reserved. - * - * Subject to the following obligations and disclaimer of warranty, use and - * redistribution of this software, in source or object code forms, with or - * without modifications are expressly permitted by Whistle Communications; - * provided, however, that: - * 1. Any and all reproductions of the source or object code must include the - * copyright notice above and the following disclaimer of warranties; and - * 2. No rights are granted, in any manner or form, to use Whistle - * Communications, Inc. trademarks, including the mark "WHISTLE - * COMMUNICATIONS" on advertising, endorsements, or otherwise except as - * such appears in the above copyright notice or in the software. - * - * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND - * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO - * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, - * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. - * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY - * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS - * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. - * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES - * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING - * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, - * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER 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 WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * $Whistle: main.c,v 1.9 1999/01/20 00:26:26 archie Exp $ - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include <unistd.h> -#include <sysexits.h> -#include <errno.h> -#include <err.h> -#include <stringlist.h> - -#include <sys/types.h> -#include <sys/socket.h> -#include <sys/select.h> - -#include <netgraph.h> - -#define DEFAULT_HOOKNAME "debug" -#define NG_SOCK_HOOK_NAME "hook" - -#define BUF_SIZE (64 * 1024) - -static void WriteAscii(u_char * buf, int len); -static void Usage(void); -static void send_msgs(int, const char *); - -static int outfd = STDOUT_FILENO; -static int infd = STDIN_FILENO; - -static StringList *msgs; - -/* - * main() - */ -int -main(int ac, char *av[]) -{ - struct ngm_connect ngc; - const char *path = NULL; - const char *hook = DEFAULT_HOOKNAME; - int csock, dsock; - int asciiFlag = 0; - int loopFlag = 0; - int noInput = 0; - int execFlag = 0; - int ch; - - if ((msgs = sl_init()) == NULL) - err(EX_OSERR, NULL); - - /* Parse flags */ - while ((ch = getopt(ac, av, "aedlm:nsS")) != -1) { - switch (ch) { - case 'a': - asciiFlag = 1; - break; - case 'd': - NgSetDebug(NgSetDebug(-1) + 1); - break; - case 'e': - execFlag = 1; - break; - case 'l': - loopFlag = 1; - break; - case 'n': - noInput = 1; - break; - case 'm': - if (sl_add(msgs, optarg) == -1) - err(EX_OSERR, NULL); - break; - case 's': - outfd = STDIN_FILENO; - break; - case 'S': - infd = STDOUT_FILENO; - break; - case '?': - default: - Usage(); - } - } - ac -= optind; - av += optind; - - if (execFlag) { - if (asciiFlag || loopFlag) { - fprintf(stderr, "conflicting options\n"); - Usage(); - } - if (ac < 3) - Usage(); - path = av[0]; - hook = av[1]; - av += 2; - ac -= 2; - } else { - /* Get params */ - switch (ac) { - case 2: - hook = av[1]; - /* FALLTHROUGH */ - case 1: - path = av[0]; - break; - default: - Usage(); - } - } - - /* Get sockets */ - if (NgMkSockNode(NULL, &csock, &dsock) < 0) - errx(EX_OSERR, "can't get sockets"); - - /* Connect socket node to specified node */ - snprintf(ngc.path, sizeof(ngc.path), "%s", path); - snprintf(ngc.ourhook, sizeof(ngc.ourhook), NG_SOCK_HOOK_NAME); - snprintf(ngc.peerhook, sizeof(ngc.peerhook), "%s", hook); - - if (NgSendMsg(csock, ".", - NGM_GENERIC_COOKIE, NGM_CONNECT, &ngc, sizeof(ngc)) < 0) - errx(EX_OSERR, "can't connect to node"); - - if (execFlag) { - /* move dsock to fd 0 and 1 */ - (void)close(0); - (void)close(1); - if (!noInput) - (void)dup2(dsock, 0); - (void)dup2(dsock, 1); - - send_msgs(csock, path); - - /* try executing the program */ - (void)execv(av[0], av); - err(EX_OSERR, "%s", av[0]); - - } else - send_msgs(csock, path); - - /* Close standard input if not reading from it */ - if (noInput) - fclose(stdin); - - /* Relay data */ - while (1) { - fd_set rfds; - - /* Setup bits */ - FD_ZERO(&rfds); - if (!noInput) - FD_SET(infd, &rfds); - FD_SET(dsock, &rfds); - - /* Wait for something to happen */ - if (select(FD_SETSIZE, &rfds, NULL, NULL, NULL) < 0) - err(EX_OSERR, "select"); - - /* Check data from socket */ - if (FD_ISSET(dsock, &rfds)) { - char buf[BUF_SIZE]; - int rl, wl; - - /* Read packet from socket */ - if ((rl = NgRecvData(dsock, - buf, sizeof(buf), NULL)) < 0) - err(EX_OSERR, "read(hook)"); - if (rl == 0) - errx(EX_OSERR, "read EOF from hook?!"); - - /* Write packet to stdout */ - if (asciiFlag) - WriteAscii((u_char *) buf, rl); - else if ((wl = write(outfd, buf, rl)) != rl) { - if (wl < 0) { - err(EX_OSERR, "write(stdout)"); - } else { - errx(EX_OSERR, - "stdout: read %d, wrote %d", - rl, wl); - } - } - /* Loopback */ - if (loopFlag) { - if (NgSendData(dsock, NG_SOCK_HOOK_NAME, buf, rl) < 0) - err(EX_OSERR, "write(hook)"); - } - } - - /* Check data from stdin */ - if (FD_ISSET(infd, &rfds)) { - char buf[BUF_SIZE]; - int rl; - - /* Read packet from stdin */ - if ((rl = read(infd, buf, sizeof(buf))) < 0) - err(EX_OSERR, "read(stdin)"); - if (rl == 0) - errx(EX_OSERR, "EOF(stdin)"); - - /* Write packet to socket */ - if (NgSendData(dsock, NG_SOCK_HOOK_NAME, buf, rl) < 0) - err(EX_OSERR, "write(hook)"); - } - } -} - -/* - * Dump data in hex and ASCII form - */ -static void -WriteAscii(u_char *buf, int len) -{ - char ch, sbuf[100]; - int k, count; - - for (count = 0; count < len; count += 16) { - snprintf(sbuf, sizeof(sbuf), "%04x: ", count); - for (k = 0; k < 16; k++) - if (count + k < len) - snprintf(sbuf + strlen(sbuf), - sizeof(sbuf) - strlen(sbuf), - "%02x ", buf[count + k]); - else - snprintf(sbuf + strlen(sbuf), - sizeof(sbuf) - strlen(sbuf), " "); - snprintf(sbuf + strlen(sbuf), sizeof(sbuf) - strlen(sbuf), " "); - for (k = 0; k < 16; k++) - if (count + k < len) { - ch = isprint(buf[count + k]) ? - buf[count + k] : '.'; - snprintf(sbuf + strlen(sbuf), - sizeof(sbuf) - strlen(sbuf), "%c", ch); - } else - snprintf(sbuf + strlen(sbuf), - sizeof(sbuf) - strlen(sbuf), " "); - snprintf(sbuf + strlen(sbuf), - sizeof(sbuf) - strlen(sbuf), "\n"); - (void) write(outfd, sbuf, strlen(sbuf)); - } - ch = '\n'; - write(outfd, &ch, 1); -} - -/* - * Display usage and exit - */ -static void -Usage(void) -{ - fprintf(stderr, "usage: nghook [-adlnsS] path [hookname]\n"); - fprintf(stderr, " or: nghook -e [-n] [-m msg]* path hookname prog " - "[args...]\n"); - exit(EX_USAGE); -} - -/* - * Send the messages to the node - */ -static void -send_msgs(int cs, const char *path) -{ - u_int i; - - for (i = 0; i < msgs->sl_cur; i++) - if (NgSendAsciiMsg(cs, path, "%s", msgs->sl_str[i]) == -1) - err(EX_OSERR, "sending message '%s'", msgs->sl_str[i]); -} diff --git a/usr.sbin/nghook/nghook.8 b/usr.sbin/nghook/nghook.8 deleted file mode 100644 index 7d2c7fa..0000000 --- a/usr.sbin/nghook/nghook.8 +++ /dev/null @@ -1,145 +0,0 @@ -.\" Copyright (c) 1996-1999 Whistle Communications, Inc. -.\" All rights reserved. -.\" -.\" Subject to the following obligations and disclaimer of warranty, use and -.\" redistribution of this software, in source or object code forms, with or -.\" without modifications are expressly permitted by Whistle Communications; -.\" provided, however, that: -.\" 1. Any and all reproductions of the source or object code must include the -.\" copyright notice above and the following disclaimer of warranties; and -.\" 2. No rights are granted, in any manner or form, to use Whistle -.\" Communications, Inc. trademarks, including the mark "WHISTLE -.\" COMMUNICATIONS" on advertising, endorsements, or otherwise except as -.\" such appears in the above copyright notice or in the software. -.\" -.\" THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND -.\" TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO -.\" REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, -.\" INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF -.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. -.\" WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY -.\" REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS -.\" SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. -.\" IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES -.\" RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING -.\" WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, -.\" PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR -.\" SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER 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 WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY -.\" OF SUCH DAMAGE. -.\" -.\" $FreeBSD$ -.\" $Whistle: nghook.8,v 1.4 1999/01/20 03:19:45 archie Exp $ -.\" -.Dd October 24, 2003 -.Dt NGHOOK 8 -.Os -.Sh NAME -.Nm nghook -.Nd connect to a -.Xr netgraph 4 -node -.Sh SYNOPSIS -.Nm -.Op Fl adlnSs -.Op Fl m Ar msg -.Ar path -.Op Ar hookname -.Nm -.Fl e -.Op Fl n -.Op Fl m Ar msg -.Ar path -.Ar hookname -.Ar program -.Op Ar args ... -.Sh DESCRIPTION -The -.Nm -utility creates a -.Xr ng_socket 4 -socket type node and connects it to hook -.Ar hookname -of the node found at -.Ar path . -If -.Ar hookname -is omitted, -.Dq Li debug -is assumed. -.Pp -If the -.Fl e -option is given, the third argument is interpreted as the path to a program, -and this program is executed with the remaining arguments as its arguments. -Before executing, the program Netgraph messages (specified by the -.Fl m -option) are sent to the node. -The program is executed with its standard input (unless closed by -.Fl n ) -and output connected to the hook. -.Pp -If the -.Fl e -option is not given, all data written to standard input is sent -to the node, and all data received from the node is relayed -to standard output. -Messages specified with -.Fl m -are sent to the node before the loop is entered. -The -.Nm -utility exits when -.Dv EOF -is detected on standard input in this case. -.Pp -The options are as follows: -.Bl -tag -width indent -.It Fl a -Output each packet read in human-readable decoded -.Tn ASCII -form instead of raw binary. -.It Fl d -Increase the debugging verbosity level. -.It Fl e -Execute the program specified by the third argument. -.It Fl l -Loops all received data back to the hook in addition to writing it -to standard output. -.It Fl m Ar msg -Before executing the program (in -.Fl e -mode) send the given ASCII control message to the node. -This option may be given more than once. -.It Fl n -Do not attempt to read any data from standard input. -The -.Nm -utility will continue reading from the node until stopped by a signal. -.It Fl S -Use file descriptor 0 for output instead of the default 1. -.It Fl s -Use file descriptor 1 for input instead of the default 0. -.El -.Sh SEE ALSO -.Xr netgraph 3 , -.Xr netgraph 4 , -.Xr ngctl 8 -.Sh HISTORY -The -.Nm netgraph -system was designed and first implemented at Whistle Communications, Inc.\& -in a version of -.Fx 2.2 -customized for the Whistle InterJet. -.Sh AUTHORS -.An Archie Cobbs Aq archie@whistle.com -.Sh BUGS -Although all input is read in unbuffered mode, -there is no way to control the packetization of the input. -.Pp -If the node sends a response to a message (specified by -.Fl m ) , -this response is lost. |
