diff options
Diffstat (limited to 'crypto/kerberosIV/lib/krb/lsb_addr_comp.c')
| -rw-r--r-- | crypto/kerberosIV/lib/krb/lsb_addr_comp.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/crypto/kerberosIV/lib/krb/lsb_addr_comp.c b/crypto/kerberosIV/lib/krb/lsb_addr_comp.c deleted file mode 100644 index e74614d..0000000 --- a/crypto/kerberosIV/lib/krb/lsb_addr_comp.c +++ /dev/null @@ -1,134 +0,0 @@ -/* - * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * 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. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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. - */ - -#include "krb_locl.h" - -RCSID("$Id: lsb_addr_comp.c,v 1.16 1999/12/02 16:58:42 joda Exp $"); - -#include "krb-archaeology.h" - -int -krb_lsb_antinet_ulong_cmp(u_int32_t x, u_int32_t y) -{ - int i; - u_int32_t a = 0, b = 0; - u_int8_t *p = (u_int8_t*) &x; - u_int8_t *q = (u_int8_t*) &y; - - for(i = sizeof(u_int32_t) - 1; i >= 0; i--){ - a = (a << 8) | p[i]; - b = (b << 8) | q[i]; - } - if(a > b) - return 1; - if(a < b) - return -1; - return 0; -} - -int -krb_lsb_antinet_ushort_cmp(u_int16_t x, u_int16_t y) -{ - int i; - u_int16_t a = 0, b = 0; - u_int8_t *p = (u_int8_t*) &x; - u_int8_t *q = (u_int8_t*) &y; - - for(i = sizeof(u_int16_t) - 1; i >= 0; i--){ - a = (a << 8) | p[i]; - b = (b << 8) | q[i]; - } - if(a > b) - return 1; - if(a < b) - return -1; - return 0; -} - -u_int32_t -lsb_time(time_t t, struct sockaddr_in *src, struct sockaddr_in *dst) -{ - int dir = 1; - const char *fw; - - /* - * direction bit is the sign bit of the timestamp. Ok until - * 2038?? - */ - if(krb_debug) { - krb_warning("lsb_time: src = %s:%u\n", - inet_ntoa(src->sin_addr), ntohs(src->sin_port)); - krb_warning("lsb_time: dst = %s:%u\n", - inet_ntoa(dst->sin_addr), ntohs(dst->sin_port)); - } - - /* For compatibility with broken old code, compares are done in VAX - byte order (LSBFIRST) */ - if (krb_lsb_antinet_ulong_less(src->sin_addr.s_addr, /* src < recv */ - dst->sin_addr.s_addr) < 0) - dir = -1; - else if (krb_lsb_antinet_ulong_less(src->sin_addr.s_addr, - dst->sin_addr.s_addr)==0) - if (krb_lsb_antinet_ushort_less(src->sin_port, dst->sin_port) < 0) - dir = -1; - /* - * all that for one tiny bit! Heaven help those that talk to - * themselves. - */ - if(krb_get_config_bool("reverse_lsb_test")) { - if(krb_debug) - krb_warning("lsb_time: reversing direction: %d -> %d\n", dir, -dir); - dir = -dir; - }else if((fw = krb_get_config_string("firewall_address"))) { - struct in_addr fw_addr; - fw_addr.s_addr = inet_addr(fw); - if(fw_addr.s_addr != INADDR_NONE) { - int s_lt_d, d_lt_f; - krb_warning("lsb_time: fw = %s\n", inet_ntoa(fw_addr)); - /* negate if src < dst < fw || fw < dst < src */ - s_lt_d = (krb_lsb_antinet_ulong_less(src->sin_addr.s_addr, - dst->sin_addr.s_addr) == -1); - d_lt_f = (krb_lsb_antinet_ulong_less(fw_addr.s_addr, - dst->sin_addr.s_addr) == 1); - if((s_lt_d ^ d_lt_f) == 0) { - if(krb_debug) - krb_warning("lsb_time: reversing direction: %d -> %d\n", - dir, -dir); - dir = -dir; - } - } - } - t = t * dir; - t = t & 0xffffffff; - return t; -} |
