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-rw-r--r--crypto/kerberosIV/lib/krb/lsb_addr_comp.c105
1 files changed, 105 insertions, 0 deletions
diff --git a/crypto/kerberosIV/lib/krb/lsb_addr_comp.c b/crypto/kerberosIV/lib/krb/lsb_addr_comp.c
new file mode 100644
index 0000000..bc3c484
--- /dev/null
+++ b/crypto/kerberosIV/lib/krb/lsb_addr_comp.c
@@ -0,0 +1,105 @@
+/*
+ * 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the Kungliga Tekniska
+ * Högskolan and its contributors.
+ *
+ * 4. 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 1.9 1997/04/01 08:18:37 joda Exp $");
+
+#include "lsb_addr_comp.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)
+{
+ /*
+ * direction bit is the sign bit of the timestamp. Ok until
+ * 2038??
+ */
+ /* 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)
+ t = -t;
+ 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)
+ t = -t;
+ /*
+ * all that for one tiny bit! Heaven help those that talk to
+ * themselves.
+ */
+ t = t & 0xffffffff;
+ return t;
+}
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