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/* $OpenBSD: util.c,v 1.1 2010/05/31 17:36:31 martinh Exp $ */
/*
* Copyright (c) 2009 Martin Hedenfalk <martin@bzero.se>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/queue.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <zlib.h>
#include "ldapd.h"
int
bsnprintf(char *str, size_t size, const char *format, ...)
{
int ret;
va_list ap;
va_start(ap, format);
ret = vsnprintf(str, size, format, ap);
va_end(ap);
if (ret == -1 || ret >= (int)size)
return 0;
return 1;
}
/* Normalize a DN in preparation for searches.
* Modifies its argument.
* Currently only made lowercase, and spaces around comma is removed.
* TODO: unescape backslash escapes, handle UTF-8.
*/
void
normalize_dn(char *dn)
{
size_t n;
char *s, *p;
for (s = p = dn; *s != '\0'; s++) {
if (*s == ' ') {
if (p == dn || p[-1] == ',')
continue;
n = strspn(s, " ");
if (s[n] == '\0' || s[n] == ',')
continue;
}
*p++ = tolower(*s);
}
*p = '\0';
}
/* Returns true (1) if key ends with suffix.
*/
int
has_suffix(struct btval *key, const char *suffix)
{
size_t slen;
slen = strlen(suffix);
if (key->size < slen)
return 0;
return (bcmp((char *)key->data + key->size - slen, suffix, slen) == 0);
}
/* Returns true (1) if key begins with prefix.
*/
int
has_prefix(struct btval *key, const char *prefix)
{
size_t pfxlen;
pfxlen = strlen(prefix);
if (pfxlen > key->size)
return 0;
return (memcmp(key->data, prefix, pfxlen) == 0);
}
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