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https://git.kernel.org/pub/scm/network/wireless/iwd.git
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wsc: Add WSC attribute iterator
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2fdf03cb84
commit
65c8a29370
@ -59,7 +59,7 @@ src_iwd_SOURCES = src/main.c linux/nl80211.h linux/kdbus.h \
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src/agent.h src/agent.c \
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src/agent.h src/agent.c \
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src/storage.h src/storage.c \
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src/storage.h src/storage.c \
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src/network.h src/network.c \
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src/network.h src/network.c \
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src/wsc.h \
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src/wsc.h src/wsc.c \
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iwd.h
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iwd.h
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src_iwd_LDADD = ell/libell-internal.la
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src_iwd_LDADD = ell/libell-internal.la
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68
src/wsc.c
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68
src/wsc.c
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@ -0,0 +1,68 @@
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/*
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*
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* Wireless daemon for Linux
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*
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* Copyright (C) 2015 Intel Corporation. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdbool.h>
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#include <ell/ell.h>
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#include "wsc.h"
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void wsc_attr_iter_init(struct wsc_attr_iter *iter, const unsigned char *pdu,
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unsigned int len)
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{
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iter->pdu = pdu;
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iter->max = len;
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iter->pos = 0;
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}
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bool wsc_attr_iter_next(struct wsc_attr_iter *iter)
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{
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const unsigned char *start = iter->pdu + iter->pos;
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const unsigned char *end = iter->pdu + iter->max;
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unsigned short type;
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unsigned short len;
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/* Make sure we have at least type + len fields */
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if (iter->pos + 4 >= iter->max)
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return false;
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type = l_get_be16(start);
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start += 2;
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len = l_get_be16(start);
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start += 2;
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if (start + len > end)
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return false;
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iter->type = type;
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iter->len = len;
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iter->data = start;
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iter->pos = start + len - iter->pdu;
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return true;
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}
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29
src/wsc.h
29
src/wsc.h
@ -256,3 +256,32 @@ enum wsc_config_state {
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WSC_CONFIG_STATE_NOT_CONFIGURED = 0x01,
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WSC_CONFIG_STATE_NOT_CONFIGURED = 0x01,
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WSC_CONFIG_STATE_CONFIGURED = 0x02,
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WSC_CONFIG_STATE_CONFIGURED = 0x02,
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};
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};
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struct wsc_attr_iter {
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unsigned int max;
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unsigned int pos;
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const unsigned char *pdu;
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unsigned short type;
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unsigned short len;
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const unsigned char *data;
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};
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void wsc_attr_iter_init(struct wsc_attr_iter *iter, const unsigned char *pdu,
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unsigned int len);
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bool wsc_attr_iter_next(struct wsc_attr_iter *iter);
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static inline unsigned int wsc_attr_iter_get_type(struct wsc_attr_iter *iter)
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{
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return iter->type;
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}
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static inline unsigned int wsc_attr_iter_get_length(struct wsc_attr_iter *iter)
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{
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return iter->len;
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}
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static inline const unsigned char *wsc_attr_iter_get_data(
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struct wsc_attr_iter *iter)
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{
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return iter->data;
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}
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