diff options
Diffstat (limited to 'contrib/ipfilter/ipsend/ipsopt.c')
| -rw-r--r-- | contrib/ipfilter/ipsend/ipsopt.c | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/contrib/ipfilter/ipsend/ipsopt.c b/contrib/ipfilter/ipsend/ipsopt.c deleted file mode 100644 index 9326bc6..0000000 --- a/contrib/ipfilter/ipsend/ipsopt.c +++ /dev/null @@ -1,198 +0,0 @@ -/* - * Copyright (C) 1995-1998 by Darren Reed. - * - * See the IPFILTER.LICENCE file for details on licencing. - * - */ -#if !defined(lint) -static const char sccsid[] = "@(#)ipsopt.c 1.2 1/11/96 (C)1995 Darren Reed"; -static const char rcsid[] = "@(#)$Id: ipsopt.c,v 2.4.4.1 2004/03/23 12:58:05 darrenr Exp $"; -#endif -#include <sys/param.h> -#include <sys/types.h> -#include <sys/time.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <netinet/in_systm.h> -#include <netinet/ip.h> -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#ifndef linux -#include <netinet/ip_var.h> -#endif -#include <netinet/tcp.h> -#include <arpa/inet.h> -#include "ipsend.h" - - -#ifndef __P -# ifdef __STDC__ -# define __P(x) x -# else -# define __P(x) () -# endif -#endif - - -struct ipopt_names ionames[] = { - { IPOPT_EOL, 0x01, 1, "eol" }, - { IPOPT_NOP, 0x02, 1, "nop" }, - { IPOPT_RR, 0x04, 3, "rr" }, /* 1 route */ - { IPOPT_TS, 0x08, 8, "ts" }, /* 1 TS */ - { IPOPT_SECURITY, 0x08, 11, "sec-level" }, - { IPOPT_LSRR, 0x10, 7, "lsrr" }, /* 1 route */ - { IPOPT_SATID, 0x20, 4, "satid" }, - { IPOPT_SSRR, 0x40, 7, "ssrr" }, /* 1 route */ - { 0, 0, 0, NULL } /* must be last */ -}; - -struct ipopt_names secnames[] = { - { IPOPT_SECUR_UNCLASS, 0x0100, 0, "unclass" }, - { IPOPT_SECUR_CONFID, 0x0200, 0, "confid" }, - { IPOPT_SECUR_EFTO, 0x0400, 0, "efto" }, - { IPOPT_SECUR_MMMM, 0x0800, 0, "mmmm" }, - { IPOPT_SECUR_RESTR, 0x1000, 0, "restr" }, - { IPOPT_SECUR_SECRET, 0x2000, 0, "secret" }, - { IPOPT_SECUR_TOPSECRET, 0x4000,0, "topsecret" }, - { 0, 0, 0, NULL } /* must be last */ -}; - - -u_short ipseclevel(slevel) -char *slevel; -{ - struct ipopt_names *so; - - for (so = secnames; so->on_name; so++) - if (!strcasecmp(slevel, so->on_name)) - break; - - if (!so->on_name) { - fprintf(stderr, "no such security level: %s\n", slevel); - return 0; - } - return so->on_value; -} - - -int addipopt(op, io, len, class) -char *op; -struct ipopt_names *io; -int len; -char *class; -{ - struct in_addr ipadr; - int olen = len, srr = 0; - u_short val; - u_char lvl; - char *s = op, *t; - - if ((len + io->on_siz) > 48) { - fprintf(stderr, "options too long\n"); - return 0; - } - len += io->on_siz; - *op++ = io->on_value; - if (io->on_siz > 1) { - /* - * Allow option to specify RR buffer length in bytes. - */ - if (io->on_value == IPOPT_RR) { - val = (class && *class) ? atoi(class) : 4; - *op++ = val + io->on_siz; - len += val; - } else - *op++ = io->on_siz; - if (io->on_value == IPOPT_TS) - *op++ = IPOPT_MINOFF + 1; - else - *op++ = IPOPT_MINOFF; - - while (class && *class) { - t = NULL; - switch (io->on_value) - { - case IPOPT_SECURITY : - lvl = ipseclevel(class); - *(op - 1) = lvl; - break; - case IPOPT_LSRR : - case IPOPT_SSRR : - if ((t = strchr(class, ','))) - *t = '\0'; - ipadr.s_addr = inet_addr(class); - srr++; - bcopy((char *)&ipadr, op, sizeof(ipadr)); - op += sizeof(ipadr); - break; - case IPOPT_SATID : - val = atoi(class); - bcopy((char *)&val, op, 2); - break; - } - - if (t) - *t++ = ','; - class = t; - } - if (srr) - s[IPOPT_OLEN] = IPOPT_MINOFF - 1 + 4 * srr; - if (io->on_value == IPOPT_RR) - op += val; - else - op += io->on_siz - 3; - } - return len - olen; -} - - -u_32_t buildopts(cp, op, len) -char *cp, *op; -int len; -{ - struct ipopt_names *io; - u_32_t msk = 0; - char *s, *t; - int inc, lastop = -1; - - for (s = strtok(cp, ","); s; s = strtok(NULL, ",")) { - if ((t = strchr(s, '='))) - *t++ = '\0'; - for (io = ionames; io->on_name; io++) { - if (strcasecmp(s, io->on_name) || (msk & io->on_bit)) - continue; - lastop = io->on_value; - if ((inc = addipopt(op, io, len, t))) { - op += inc; - len += inc; - } - msk |= io->on_bit; - break; - } - if (!io->on_name) { - fprintf(stderr, "unknown IP option name %s\n", s); - return 0; - } - } - - if (len & 3) { - while (len & 3) { - *op++ = ((len & 3) == 3) ? IPOPT_EOL : IPOPT_NOP; - len++; - } - } else { - if (lastop != IPOPT_EOL) { - if (lastop == IPOPT_NOP) - *(op - 1) = IPOPT_EOL; - else { - *op++ = IPOPT_NOP; - *op++ = IPOPT_NOP; - *op++ = IPOPT_NOP; - *op = IPOPT_EOL; - len += 4; - } - } - } - return len; -} |
