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/*
SSSD
Authors:
Lukas Slebodnik <slebodnikl@redhat.com>
Copyright (C) 2014 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 "util/util.h"
static char *replace_char(TALLOC_CTX *mem_ctx,
const char *in,
const char match,
const char sub)
{
char *p;
char *out;
out = talloc_strdup(mem_ctx, in);
if (out == NULL) {
return NULL;
}
for (p = out; *p != '\0'; ++p) {
if (*p == match) {
*p = sub;
}
}
return out;
}
char * sss_replace_space(TALLOC_CTX *mem_ctx,
const char *orig_name,
const char subst)
{
if (subst == '\0' || subst == ' ') {
return talloc_strdup(mem_ctx, orig_name);
}
if (strchr(orig_name, subst) != NULL) {
DEBUG(SSSDBG_CRIT_FAILURE,
"Input [%s] already contains replacement character [%c].\n",
orig_name, subst);
sss_log(SSS_LOG_CRIT,
"Name [%s] already contains replacement character [%c]. " \
"No replacement will be done.\n",
orig_name, subst);
return talloc_strdup(mem_ctx, orig_name);
}
return replace_char(mem_ctx, orig_name, ' ', subst);
}
char * sss_reverse_replace_space(TALLOC_CTX *mem_ctx,
const char *orig_name,
const char subst)
{
if (subst == '\0' || subst == ' ') {
return talloc_strdup(mem_ctx, orig_name);
}
if (strchr(orig_name, subst) != NULL && strchr(orig_name, ' ') != NULL) {
DEBUG(SSSDBG_TRACE_FUNC,
"Input [%s] contains replacement character [%c] and space.\n",
orig_name, subst);
return talloc_strdup(mem_ctx, orig_name);
}
return replace_char(mem_ctx, orig_name, subst, ' ');
}
errno_t guid_blob_to_string_buf(const uint8_t *blob, char *str_buf,
size_t buf_size)
{
int ret;
if (blob == NULL || str_buf == NULL || buf_size < GUID_STR_BUF_SIZE) {
DEBUG(SSSDBG_CRIT_FAILURE, "Buffer too small.\n");
return EINVAL;
}
ret = snprintf(str_buf, buf_size,
"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
blob[3], blob[2], blob[1], blob[0],
blob[5], blob[4],
blob[7], blob[6],
blob[8], blob[9],
blob[10], blob[11],blob[12], blob[13],blob[14], blob[15]);;
if (ret != (GUID_STR_BUF_SIZE -1)) {
DEBUG(SSSDBG_CRIT_FAILURE, "snprintf failed.\n");
return EIO;
}
return EOK;
}
const char *get_last_x_chars(const char *str, size_t x)
{
size_t len;
if (str == NULL) {
return NULL;
}
len = strlen(str);
if (len < x) {
return str;
}
return (str + len - x);
}
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