diff options
Diffstat (limited to 'linux/lib/libfreeswan/ttosubnet.c')
-rw-r--r-- | linux/lib/libfreeswan/ttosubnet.c | 296 |
1 files changed, 0 insertions, 296 deletions
diff --git a/linux/lib/libfreeswan/ttosubnet.c b/linux/lib/libfreeswan/ttosubnet.c deleted file mode 100644 index 7f5cddb82..000000000 --- a/linux/lib/libfreeswan/ttosubnet.c +++ /dev/null @@ -1,296 +0,0 @@ -/* - * convert from text form of subnet specification to binary - * Copyright (C) 2000 Henry Spencer. - * - * This library is free software; you can redistribute it and/or modify it - * under the terms of the GNU Library General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. See <http://www.fsf.org/copyleft/lgpl.txt>. - * - * This library is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public - * License for more details. - * - * RCSID $Id: ttosubnet.c,v 1.1 2004/03/15 20:35:26 as Exp $ - */ -#include "internal.h" -#include "freeswan.h" - -#ifndef DEFAULTSUBNET -#define DEFAULTSUBNET "%default" -#endif - -/* - - ttosubnet - convert text "addr/mask" to address and mask - * Mask can be integer bit count. - */ -err_t -ttosubnet(src, srclen, af, dst) -const char *src; -size_t srclen; /* 0 means "apply strlen" */ -int af; /* AF_INET or AF_INET6 */ -ip_subnet *dst; -{ - const char *slash; - const char *colon; - const char *mask; - size_t mlen; - const char *oops; - unsigned long bc; - static char def[] = DEFAULTSUBNET; -# define DEFLEN (sizeof(def) - 1) /* -1 for NUL */ - static char defis4[] = "0/0"; -# define DEFIS4LEN (sizeof(defis4) - 1) - static char defis6[] = "::/0"; -# define DEFIS6LEN (sizeof(defis6) - 1) - ip_address addrtmp; - ip_address masktmp; - int nbits; - int i; - - if (srclen == 0) - srclen = strlen(src); - if (srclen == 0) - return "empty string"; - - switch (af) { - case AF_INET: - nbits = 32; - break; - case AF_INET6: - nbits = 128; - break; - default: - return "unknown address family in ttosubnet"; - break; - } - - if (srclen == DEFLEN && strncmp(src, def, srclen) == 0) { - src = (af == AF_INET) ? defis4 : defis6; - srclen = (af == AF_INET) ? DEFIS4LEN : DEFIS6LEN; - } - - slash = memchr(src, '/', srclen); - if (slash == NULL) - return "no / in subnet specification"; - mask = slash + 1; - mlen = srclen - (mask - src); - - oops = ttoaddr(src, slash-src, af, &addrtmp); - if (oops != NULL) - return oops; - - /* extract port */ - colon = memchr(mask, ':', mlen); - if (colon == 0) - { - setportof(0, &addrtmp); - } - else - { - long port; - - oops = ttoul(colon+1, mlen-(colon-mask+1), 10, &port); - if (oops != NULL) - return oops; - setportof(htons(port), &addrtmp); - mlen = colon - mask; - } - - /*extract mask */ - oops = ttoul(mask, mlen, 10, &bc); - if (oops == NULL) { - /* ttoul succeeded, it's a bit-count mask */ - if (bc > nbits) - return "subnet mask bit count too large"; - i = bc; - } else { - oops = ttoaddr(mask, mlen, af, &masktmp); - if (oops != NULL) - return oops; - i = masktocount(&masktmp); - if (i < 0) - return "non-contiguous or otherwise erroneous mask"; - } - - return initsubnet(&addrtmp, i, '0', dst); -} - - - -#ifdef TTOSUBNET_MAIN - -#include <stdio.h> - -void regress(void); - -int main(int argc, char *argv[]) -{ - ip_subnet s; - char buf[100]; - char buf2[100]; - const char *oops; - size_t n; - int af; - char *p; - - if (argc < 2) { - fprintf(stderr, "Usage: %s [-6] addr/mask\n", argv[0]); - fprintf(stderr, " or: %s -r\n", argv[0]); - exit(2); - } - - if (strcmp(argv[1], "-r") == 0) { - regress(); - fprintf(stderr, "regress() returned?!?\n"); - exit(1); - } - - af = AF_INET; - p = argv[1]; - if (strcmp(argv[1], "-6") == 0) { - af = AF_INET6; - p = argv[2]; - } else if (strchr(argv[1], ':') != NULL) - af = AF_INET6; - - oops = ttosubnet(p, 0, af, &s); - if (oops != NULL) { - fprintf(stderr, "%s: conversion failed: %s\n", argv[0], oops); - exit(1); - } - n = subnettot(&s, 0, buf, sizeof(buf)); - if (n > sizeof(buf)) { - fprintf(stderr, "%s: reverse conversion of ", argv[0]); - (void) addrtot(&s.addr, 0, buf2, sizeof(buf2)); - fprintf(stderr, "%s/", buf2); - fprintf(stderr, "%d", s.maskbits); - fprintf(stderr, " failed: need %ld bytes, have only %ld\n", - (long)n, (long)sizeof(buf)); - exit(1); - } - printf("%s\n", buf); - - exit(0); -} - -struct rtab { - int family; - char *input; - char *output; /* NULL means error expected */ -} rtab[] = { - {4, "1.2.3.0/255.255.255.0", "1.2.3.0/24"}, - {4, "1.2.3.0/24", "1.2.3.0/24"}, - {4, "1.2.3.0/24:10", "1.2.3.0/24:10"}, - {4, "1.2.3.0/24:-1", NULL}, - {4, "1.2.3.0/24:none", NULL}, - {4, "1.2.3.0/24:", NULL}, - {4, "1.2.3.0/24:0x10", "1.2.3.0/24:16"}, - {4, "1.2.3.0/24:0X10", "1.2.3.0/24:16"}, - {4, "1.2.3.0/24:010", "1.2.3.0/24:8"}, - {4, "1.2.3.1/255.255.255.240", "1.2.3.0/28"}, - {4, "1.2.3.1/32", "1.2.3.1/32"}, - {4, "1.2.3.1/0", "0.0.0.0/0"}, -/* {4, "1.2.3.1/255.255.127.0", "1.2.3.0/255.255.127.0"}, */ - {4, "1.2.3.1/255.255.127.0", NULL}, - {4, "128.009.000.032/32", "128.9.0.32/32"}, - {4, "128.0x9.0.32/32", NULL}, - {4, "0x80090020/32", "128.9.0.32/32"}, - {4, "0x800x0020/32", NULL}, - {4, "128.9.0.32/0xffFF0000", "128.9.0.0/16"}, - {4, "128.9.0.32/0xff0000FF", NULL}, - {4, "128.9.0.32/0x0000ffFF", NULL}, - {4, "128.9.0.32/0x00ffFF0000", NULL}, - {4, "128.9.0.32/0xffFF", NULL}, - {4, "128.9.0.32.27/32", NULL}, - {4, "128.9.0k32/32", NULL}, - {4, "328.9.0.32/32", NULL}, - {4, "128.9..32/32", NULL}, - {4, "10/8", "10.0.0.0/8"}, - {4, "10.0/8", "10.0.0.0/8"}, - {4, "10.0.0/8", "10.0.0.0/8"}, - {4, "10.0.1/24", "10.0.1.0/24"}, - {4, "_", NULL}, - {4, "_/_", NULL}, - {4, "1.2.3.1", NULL}, - {4, "1.2.3.1/_", NULL}, - {4, "1.2.3.1/24._", NULL}, - {4, "1.2.3.1/99", NULL}, - {4, "localhost/32", "127.0.0.1/32"}, - {4, "%default", "0.0.0.0/0"}, - {6, "3049:1::8007:2040/0", "::/0"}, - {6, "3049:1::8007:2040/128", "3049:1::8007:2040/128"}, - {6, "3049:1::192.168.0.1/128", NULL}, /*"3049:1::c0a8:1/128",*/ - {6, "3049:1::8007::2040/128", NULL}, - {6, "3049:1::8007:2040/ffff::0", "3049::/16"}, - {6, "3049:1::8007:2040/64", "3049:1::/64"}, - {6, "3049:1::8007:2040/ffff::", "3049::/16"}, - {6, "3049:1::8007:2040/0000:ffff::0", NULL}, - {6, "3049:1::8007:2040/ff1f::0", NULL}, - {6, "3049:1::8007:x:2040/128", NULL}, - {6, "3049:1t::8007:2040/128", NULL}, - {6, "3049:1::80071:2040/128", NULL}, - {6, "::/21", "::/21"}, - {6, "::1/128", "::1/128"}, - {6, "1::/21", "1::/21"}, - {6, "1::2/128", "1::2/128"}, - {6, "1:0:0:0:0:0:0:2/128", "1::2/128"}, - {6, "1:0:0:0:3:0:0:2/128", "1::3:0:0:2/128"}, - {6, "1:0:0:3:0:0:0:2/128", "1::3:0:0:0:2/128"}, - {6, "1:0:3:0:0:0:0:2/128", "1:0:3::2/128"}, - {6, "abcd:ef01:2345:6789:0:00a:000:20/128", "abcd:ef01:2345:6789:0:a:0:20/128"}, - {6, "3049:1::8007:2040/ffff:ffff:", NULL}, - {6, "3049:1::8007:2040/ffff:88::", NULL}, - {6, "3049:12::9000:3200/ffff:fff0::", "3049:10::/28"}, - {6, "3049:12::9000:3200/28", "3049:10::/28"}, - {6, "3049:12::9000:3200/ff00:::", NULL}, - {6, "3049:12::9000:3200/ffff:::", NULL}, - {6, "3049:12::9000:3200/128_", NULL}, - {6, "3049:12::9000:3200/", NULL}, - {6, "%default", "::/0"}, - {4, NULL, NULL} -}; - -void -regress(void) -{ - struct rtab *r; - int status = 0; - ip_subnet s; - char in[100]; - char buf[100]; - const char *oops; - size_t n; - int af; - - for (r = rtab; r->input != NULL; r++) { - af = (r->family == 4) ? AF_INET : AF_INET6; - strcpy(in, r->input); - oops = ttosubnet(in, 0, af, &s); - if (oops != NULL && r->output == NULL) - {} /* okay, error expected */ - else if (oops != NULL) { - printf("`%s' ttosubnet failed: %s\n", r->input, oops); - status = 1; - } else if (r->output == NULL) { - printf("`%s' ttosubnet succeeded unexpectedly\n", - r->input); - status = 1; - } else { - n = subnettot(&s, 0, buf, sizeof(buf)); - if (n > sizeof(buf)) { - printf("`%s' subnettot failed: need %ld\n", - r->input, (long)n); - status = 1; - } else if (strcmp(r->output, buf) != 0) { - printf("`%s' gave `%s', expected `%s'\n", - r->input, buf, r->output); - status = 1; - } - } - } - exit(status); -} - -#endif /* TTOSUBNET_MAIN */ |