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/*
** Copyright 2009 Double Precision, Inc. See COPYING for
** distribution information.
*/
#if HAVE_CONFIG_H
#include "courier_auth_config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "courierauth.h"
static void escape_specials(const char *str,
char *bufptr,
size_t *sizeptr)
{
static const char specials[]="*()\\";
while (*str)
{
char buf[10];
char *p;
if (strchr(specials, *str))
{
sprintf(buf, "\\%02x", (int)(unsigned char)*str);
}
else
{
buf[0]=*str;
buf[1]=0;
}
for (p=buf; *p; p++)
{
if (bufptr)
*bufptr++=*p;
if (sizeptr)
++*sizeptr;
}
++str;
}
if (bufptr)
*bufptr=0;
}
char *courier_auth_ldap_escape(const char *str)
{
char *escaped;
size_t escaped_cnt=1;
escape_specials(str, NULL, &escaped_cnt);
escaped=malloc(escaped_cnt);
if (!escaped)
return NULL;
escape_specials(str, escaped, NULL);
return escaped;
}
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