1 files changed, 267 insertions, 0 deletions
diff --git a/src/common/cli.c b/src/common/cli.c
new file mode 100644
index 000000000000..b583d1cd575d
--- /dev/null
+++ b/src/common/cli.c
@@ -0,0 +1,267 @@
+/*
+ * 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"
+
+
+const char *const cli_license =
+"This software may be distributed under the terms of the BSD license.\n"
+"See README for more details.\n";
+
+const char *const cli_full_license =
+"This software may be distributed under the terms of the BSD license.\n"
+"\n"
+"Redistribution and use in source and binary forms, with or without\n"
+"modification, are permitted provided that the following conditions are\n"
+"met:\n"
+"\n"
+"1. Redistributions of source code must retain the above copyright\n"
+"   notice, this list of conditions and the following disclaimer.\n"
+"\n"
+"2. Redistributions in binary form must reproduce the above copyright\n"
+"   notice, this list of conditions and the following disclaimer in the\n"
+"   documentation and/or other materials provided with the distribution.\n"
+"\n"
+"3. Neither the name(s) of the above-listed copyright holder(s) nor the\n"
+"   names of its contributors may be used to endorse or promote products\n"
+"   derived from this software without specific prior written permission.\n"
+"\n"
+"THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n"
+"\"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n"
+"LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n"
+"A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n"
+"OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n"
+"SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n"
+"LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n"
+"DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n"
+"THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n"
+"(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n"
+"OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n"
+"\n";
+
+
+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;
+}
+
+
+int get_cmd_arg_num(const char *str, int pos)
+{
+	int arg = 0, i;
+
+	for (i = 0; i <= pos; i++) {
+		if (str[i] != ' ') {
+			arg++;
+			while (i <= pos && str[i] != ' ')
+				i++;
+		}
+	}
+
+	if (arg > 0)
+		arg--;
+	return arg;
+}
+
+
+int write_cmd(char *buf, size_t buflen, const char *cmd, int argc, char *argv[])
+{
+	int i, res;
+	char *pos, *end;
+
+	pos = buf;
+	end = buf + buflen;
+
+	res = os_snprintf(pos, end - pos, "%s", cmd);
+	if (os_snprintf_error(end - pos, res))
+		goto fail;
+	pos += res;
+
+	for (i = 0; i < argc; i++) {
+		res = os_snprintf(pos, end - pos, " %s", argv[i]);
+		if (os_snprintf_error(end - pos, res))
+			goto fail;
+		pos += res;
+	}
+
+	buf[buflen - 1] = '\0';
+	return 0;
+
+fail:
+	printf("Too long command\n");
+	return -1;
+}
+
+
+int tokenize_cmd(char *cmd, char *argv[])
+{
+	char *pos;
+	int argc = 0;
+
+	pos = cmd;
+	for (;;) {
+		while (*pos == ' ')
+			pos++;
+		if (*pos == '\0')
+			break;
+		argv[argc] = pos;
+		argc++;
+		if (argc == max_args)
+			break;
+		if (*pos == '"') {
+			char *pos2 = os_strrchr(pos, '"');
+			if (pos2)
+				pos = pos2 + 1;
+		}
+		while (*pos != '\0' && *pos != ' ')
+			pos++;
+		if (*pos == ' ')
+			*pos++ = '\0';
+	}
+
+	return argc;
+}