fragattacks/src/common/cli.c

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/*
* Common hostapd/wpa_supplicant command line interface functions
* Copyright (c) 2004-2016, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "includes.h"
#include "utils/common.h"
#include "common/cli.h"
void cli_txt_list_free(struct cli_txt_entry *e)
{
dl_list_del(&e->list);
os_free(e->txt);
os_free(e);
}
void cli_txt_list_flush(struct dl_list *list)
{
struct cli_txt_entry *e;
while ((e = dl_list_first(list, struct cli_txt_entry, list)))
cli_txt_list_free(e);
}
struct cli_txt_entry * cli_txt_list_get(struct dl_list *txt_list,
const char *txt)
{
struct cli_txt_entry *e;
dl_list_for_each(e, txt_list, struct cli_txt_entry, list) {
if (os_strcmp(e->txt, txt) == 0)
return e;
}
return NULL;
}
void cli_txt_list_del(struct dl_list *txt_list, const char *txt)
{
struct cli_txt_entry *e;
e = cli_txt_list_get(txt_list, txt);
if (e)
cli_txt_list_free(e);
}
void cli_txt_list_del_addr(struct dl_list *txt_list, const char *txt)
{
u8 addr[ETH_ALEN];
char buf[18];
if (hwaddr_aton(txt, addr) < 0)
return;
os_snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
cli_txt_list_del(txt_list, buf);
}
void cli_txt_list_del_word(struct dl_list *txt_list, const char *txt,
int separator)
{
const char *end;
char *buf;
end = os_strchr(txt, separator);
if (end == NULL)
end = txt + os_strlen(txt);
buf = dup_binstr(txt, end - txt);
if (buf == NULL)
return;
cli_txt_list_del(txt_list, buf);
os_free(buf);
}
int cli_txt_list_add(struct dl_list *txt_list, const char *txt)
{
struct cli_txt_entry *e;
e = cli_txt_list_get(txt_list, txt);
if (e)
return 0;
e = os_zalloc(sizeof(*e));
if (e == NULL)
return -1;
e->txt = os_strdup(txt);
if (e->txt == NULL) {
os_free(e);
return -1;
}
dl_list_add(txt_list, &e->list);
return 0;
}
int cli_txt_list_add_addr(struct dl_list *txt_list, const char *txt)
{
u8 addr[ETH_ALEN];
char buf[18];
if (hwaddr_aton(txt, addr) < 0)
return -1;
os_snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
return cli_txt_list_add(txt_list, buf);
}
int cli_txt_list_add_word(struct dl_list *txt_list, const char *txt,
int separator)
{
const char *end;
char *buf;
int ret;
end = os_strchr(txt, separator);
if (end == NULL)
end = txt + os_strlen(txt);
buf = dup_binstr(txt, end - txt);
if (buf == NULL)
return -1;
ret = cli_txt_list_add(txt_list, buf);
os_free(buf);
return ret;
}
char ** cli_txt_list_array(struct dl_list *txt_list)
{
unsigned int i, count = dl_list_len(txt_list);
char **res;
struct cli_txt_entry *e;
res = os_calloc(count + 1, sizeof(char *));
if (res == NULL)
return NULL;
i = 0;
dl_list_for_each(e, txt_list, struct cli_txt_entry, list) {
res[i] = os_strdup(e->txt);
if (res[i] == NULL)
break;
i++;
}
return res;
}