[hcoop/debian/courier-authlib.git] / authldapescape.c

/*
** 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;
}
Commit	Line	Data
8d138742 CE	1	/*
	2	** Copyright 2009 Double Precision, Inc. See COPYING for
	3	** distribution information.
	4	*/
	5
	6	#if HAVE_CONFIG_H
	7	#include "courier_auth_config.h"
	8	#endif
	9	#include <stdio.h>
	10	#include <stdlib.h>
	11	#include <string.h>
	12	#include <errno.h>
	13	#if HAVE_UNISTD_H
	14	#include <unistd.h>
	15	#endif
	16
	17	#include "courierauth.h"
	18
8d138742 CE	19
	20	static void escape_specials(const char *str,
	21	char *bufptr,
	22	size_t *sizeptr)
	23	{
	24	static const char specials[]="*()\\";
	25
	26	while (*str)
	27	{
	28	char buf[10];
	29	char *p;
	30
	31	if (strchr(specials, *str))
	32	{
	33	sprintf(buf, "\\%02x", (int)(unsigned char)*str);
	34	}
	35	else
	36	{
	37	buf[0]=*str;
	38	buf[1]=0;
	39	}
	40
	41	for (p=buf; *p; p++)
	42	{
	43	if (bufptr)
	44	bufptr++=p;
	45	if (sizeptr)
	46	++*sizeptr;
	47	}
	48	++str;
	49	}
	50
	51	if (bufptr)
	52	*bufptr=0;
	53	}
	54
	55	char courier_auth_ldap_escape(const char str)
	56	{
	57	char *escaped;
	58	size_t escaped_cnt=1;
8d138742 CE	59
	60	escape_specials(str, NULL, &escaped_cnt);
	61	escaped=malloc(escaped_cnt);
	62	if (!escaped)
	63	return NULL;
	64
	65	escape_specials(str, escaped, NULL);
	66
	67	return escaped;
	68	}