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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"
char *sss_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 sss_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 sss_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_OP_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);
}
char **concatenate_string_array(TALLOC_CTX *mem_ctx,
char **arr1, size_t len1,
char **arr2, size_t len2)
{
size_t i, j;
size_t new_size = len1 + len2;
char ** string_array = talloc_realloc(mem_ctx, arr1, char *, new_size + 1);
if (string_array == NULL) {
return NULL;
}
for (i=len1, j=0; i < new_size; ++i,++j) {
string_array[i] = talloc_steal(string_array,
arr2[j]);
}
string_array[i] = NULL;
return string_array;
}
errno_t mod_defaults_list(TALLOC_CTX *mem_ctx, const char **defaults_list,
char **mod_list, char ***_list)
{
TALLOC_CTX *tmp_ctx;
errno_t ret;
size_t mod_list_size;
const char **add_list;
const char **remove_list;
size_t c;
size_t ai = 0;
size_t ri = 0;
size_t j = 0;
char **list;
size_t expected_list_size = 0;
size_t defaults_list_size = 0;
for (defaults_list_size = 0;
defaults_list != NULL && defaults_list[defaults_list_size] != NULL;
defaults_list_size++);
for (mod_list_size = 0;
mod_list != NULL && mod_list[mod_list_size] != NULL;
mod_list_size++);
tmp_ctx = talloc_new(mem_ctx);
if (tmp_ctx == NULL) {
return ENOMEM;
}
add_list = talloc_zero_array(tmp_ctx, const char *, mod_list_size + 1);
remove_list = talloc_zero_array(tmp_ctx, const char *, mod_list_size + 1);
if (add_list == NULL || remove_list == NULL) {
ret = ENOMEM;
goto done;
}
for (c = 0; mod_list != NULL && mod_list[c] != NULL; c++) {
switch (mod_list[c][0]) {
case '+':
add_list[ai] = mod_list[c] + 1;
++ai;
break;
case '-':
remove_list[ri] = mod_list[c] + 1;
++ri;
break;
default:
DEBUG(SSSDBG_OP_FAILURE,
"The option "CONFDB_PAM_P11_ALLOWED_SERVICES" must start"
"with either '+' (for adding service) or '-' (for "
"removing service) got '%s'\n", mod_list[c]);
ret = EINVAL;
goto done;
}
}
expected_list_size = defaults_list_size + ai + 1;
list = talloc_zero_array(tmp_ctx, char *, expected_list_size);
if (list == NULL) {
ret = ENOMEM;
goto done;
}
for (c = 0; add_list[c] != NULL; ++c) {
if (string_in_list(add_list[c], discard_const(remove_list), false)) {
continue;
}
list[j] = talloc_strdup(list, add_list[c]);
if (list[j] == NULL) {
ret = ENOMEM;
goto done;
}
j++;
}
for (c = 0; defaults_list != NULL && defaults_list[c] != NULL; ++c) {
if (string_in_list(defaults_list[c],
discard_const(remove_list), false)) {
continue;
}
list[j] = talloc_strdup(list, defaults_list[c]);
if (list[j] == NULL) {
ret = ENOMEM;
goto done;
}
j++;
}
if (_list != NULL) {
*_list = talloc_steal(mem_ctx, list);
}
ret = EOK;
done:
talloc_zfree(tmp_ctx);
return ret;
}
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