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/*
Authors:
Jakub Hrozek <jhrozek@redhat.com>
Copyright (C) 2011 Red Hat
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdlib.h>
#include <unistr.h>
#include <unicase.h>
#include <talloc.h>
#include "util/util.h"
/* Expects and returns NULL-terminated string;
* result must be freed with sss_utf8_free()
*/
static inline char *sss_utf8_tolower(const char *s)
{
size_t llen;
return (char *)u8_tolower((const uint8_t *)s, strlen(s) + 1, NULL, NULL, NULL, &llen);
}
char *sss_tc_utf8_str_tolower(TALLOC_CTX *mem_ctx, const char *s)
{
char *lower;
char *ret = NULL;
lower = sss_utf8_tolower(s);
if (lower) {
ret = talloc_strdup(mem_ctx, lower);
free(lower);
}
return ret;
}
errno_t sss_filter_sanitize_for_dom(TALLOC_CTX *mem_ctx,
const char *input,
struct sss_domain_info *dom,
char **sanitized,
char **lc_sanitized)
{
int ret;
ret = sss_filter_sanitize(mem_ctx, input, sanitized);
if (ret != EOK) {
DEBUG(SSSDBG_OP_FAILURE, "sss_filter_sanitize failed.\n");
return ret;
}
if (dom->case_sensitive) {
*lc_sanitized = talloc_strdup(mem_ctx, *sanitized);
} else {
*lc_sanitized = sss_tc_utf8_str_tolower(mem_ctx, *sanitized);
}
if (*lc_sanitized == NULL) {
DEBUG(SSSDBG_OP_FAILURE, "%s failed.\n",
dom->case_sensitive ?
"talloc_strdup" :
"sss_tc_utf8_str_tolower");
return ENOMEM;
}
return EOK;
}
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