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iwd/unit/test-ie.c

285 lines
8.8 KiB
C

/*
*
* Wireless daemon for Linux
*
* Copyright (C) 2013-2014 Intel Corporation. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <ell/ell.h>
#include "src/ie.h"
struct test_data {
unsigned int num_ie;
unsigned int len;
unsigned char *buf;
};
struct ie {
unsigned char type;
unsigned char len;
unsigned char value[];
} __attribute__ ((packed));
static void ie_test_reader(const void *data)
{
const struct test_data *test = data;
struct ie_tlv_iter iter;
struct ie *ie;
unsigned int count = 0, pos = 0;
char *str;
ie_tlv_iter_init(&iter, test->buf, test->len);
while (ie_tlv_iter_next(&iter)) {
ie = (struct ie *)&test->buf[pos];
str = l_util_hexstring(&test->buf[pos + 2], ie->len);
printf("IE %d [%d/%d/%s]\n", count, ie->type, ie->len, str);
l_free(str);
assert(iter.tag == test->buf[pos++]);
assert(iter.len == test->buf[pos++]);
assert(!memcmp(iter.data, test->buf + pos, iter.len));
pos += ie->len;
count++;
}
assert(count == test->num_ie);
}
static unsigned char beacon_frame[] = {
/* IEEE 802.11 Beacon frame */
0x80, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xc8, 0xd7, 0x19, 0x39, 0xbe, 0x77,
0xc8, 0xd7, 0x19, 0x39, 0xbe, 0x77, 0x50, 0xa2,
/* IEEE 802.11 wireless LAN managment frame
* - Fixed parameters (12 bytes)
*/
0x87, 0x81, 0x31, 0xe6, 0x29, 0x02, 0x00, 0x00,
0x64, 0x00, 0x11, 0x00,
/* - Tagged parameters (TLV format, 252 bytes).
* This starts at byte position 36
*/
0x00, 0x0c, 0x57, 0x65, 0x73, 0x31, 0x4f, 0x70,
0x65, 0x6e, 0x57, 0x4c, 0x41, 0x4e, 0x01, 0x08,
0x8c, 0x12, 0x98, 0x24, 0xb0, 0x48, 0x60, 0x6c,
0x05, 0x04, 0x00, 0x01, 0x00, 0x00, 0x30, 0x14,
0x01, 0x00, 0x00, 0x0f, 0xac, 0x04, 0x01, 0x00,
0x00, 0x0f, 0xac, 0x04, 0x01, 0x00, 0x00, 0x0f,
0xac, 0x02, 0x0c, 0x00, 0x0b, 0x05, 0x02, 0x00,
0x02, 0x00, 0x00, 0x2d, 0x1a, 0x6f, 0x08, 0x17,
0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3d,
0x16, 0x24, 0x0d, 0x16, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4a,
0x0e, 0x14, 0x00, 0x0a, 0x00, 0x2c, 0x01, 0xc8,
0x00, 0x14, 0x00, 0x05, 0x00, 0x19, 0x00, 0x7f,
0x08, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00,
0x40, 0xbf, 0x0c, 0x32, 0x58, 0x82, 0x0f, 0xea,
0xff, 0x00, 0x00, 0xea, 0xff, 0x00, 0x00, 0xc0,
0x05, 0x01, 0x2a, 0x00, 0x00, 0x00, 0xc3, 0x04,
0x02, 0x02, 0x02, 0x02, 0xdd, 0x31, 0x00, 0x50,
0xf2, 0x04, 0x10, 0x4a, 0x00, 0x01, 0x10, 0x10,
0x44, 0x00, 0x01, 0x02, 0x10, 0x47, 0x00, 0x10,
0x98, 0x42, 0x13, 0x05, 0x23, 0x6e, 0xde, 0x3a,
0xfa, 0x13, 0x0a, 0x79, 0x44, 0x0f, 0xab, 0x43,
0x10, 0x3c, 0x00, 0x01, 0x03, 0x10, 0x49, 0x00,
0x06, 0x00, 0x37, 0x2a, 0x00, 0x01, 0x20, 0xdd,
0x09, 0x00, 0x10, 0x18, 0x02, 0x02, 0x00, 0x1c,
0x00, 0x00, 0xdd, 0x18, 0x00, 0x50, 0xf2, 0x02,
0x01, 0x01, 0x80, 0x00, 0x03, 0xa4, 0x00, 0x00,
0x27, 0xa4, 0x00, 0x00, 0x42, 0x43, 0x5e, 0x00,
0x62, 0x32, 0x2f, 0x00, 0x01, 0x9a, 0xc1, 0xc8,
};
static struct test_data beacon_frame_data = {
.buf = beacon_frame + 36,
.num_ie = 15,
.len = 252,
};
static int create_ie(int ie_count, struct ie_tlv_builder *builder,
int type, int len, unsigned char *value)
{
int total_len = 0;
char *str;
str = l_util_hexstring(value, len);
printf("IE %d [%d/%d/%s]\n", ie_count, type, len, str);
l_free(str);
assert(ie_tlv_builder_next(builder, type));
total_len += 1;
assert(ie_tlv_builder_set_length(builder, len));
total_len += 1;
memcpy(ie_tlv_builder_get_data(builder), value, len);
total_len += len;
return total_len;
}
#define ie(type, len, value...) \
do { \
unsigned char buf[] = { value }; \
final_len += create_ie(ie_count, &builder, type, len, buf); \
ie_count++; \
} while (0)
static void ie_test_writer(const void *data)
{
struct test_data *test = (struct test_data *)data;
struct ie_tlv_builder builder;
unsigned int final_len = 0, builder_len, expected_len = test->len;
unsigned char *expected_buf = test->buf;
unsigned int ie_count = 0;
char *str;
assert(ie_tlv_builder_init(&builder));
test->buf = builder.buf;
test->len = builder.max;
ie(IE_TYPE_SSID, 0x0c,
0x57, 0x65, 0x73, 0x31, 0x4f, 0x70, 0x65, 0x6e,
0x57, 0x4c, 0x41, 0x4e);
ie(IE_TYPE_SUPPORTED_RATES, 0x08,
0x8c, 0x12, 0x98, 0x24, 0xb0, 0x48, 0x60, 0x6c);
ie(IE_TYPE_TIM, 0x04, 0x00, 0x01, 0x00, 0x00);
ie(IE_TYPE_RSN, 0x14,
0x01, 0x00, 0x00, 0x0f, 0xac, 0x04, 0x01, 0x00,
0x00, 0x0f, 0xac, 0x04, 0x01, 0x00, 0x00, 0x0f,
0xac, 0x02, 0x0c, 0x00);
ie(IE_TYPE_BSS_LOAD, 0x05, 0x02, 0x00, 0x02, 0x00, 0x00);
ie(IE_TYPE_HT_CAPABILITIES, 0x1a,
0x6f, 0x08, 0x17, 0xff, 0xff, 0xff, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00);
ie(IE_TYPE_HT_OPERATION, 0x16,
0x24, 0x0d, 0x16, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
ie(IE_TYPE_OVERLAPPING_BSS_SCAN_PARAMETERS, 0x0e,
0x14, 0x00, 0x0a, 0x00, 0x2c, 0x01, 0xc8, 0x00,
0x14, 0x00, 0x05, 0x00, 0x19, 0x00);
ie(IE_TYPE_EXTENDED_CAPABILITIES, 0x08,
0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x40);
ie(191 /* IEEE 802.11ac/D3.1 VHT Capabilities */, 0x0c,
0x32, 0x58, 0x82, 0x0f, 0xea, 0xff, 0x00, 0x00,
0xea, 0xff, 0x00, 0x00);
ie(192 /* IEEE 802.11ac/D3.1 VHT Operation */, 0x05,
0x01, 0x2a, 0x00, 0x00, 0x00);
ie(195 /* unknown */, 0x04, 0x02, 0x02, 0x02, 0x02);
ie(IE_TYPE_VENDOR_SPECIFIC, 0x31,
0x00, 0x50, 0xf2, /* OUI (Microsoft) */
0x04, /* WPS type */
0x10, 0x4a, 0x00, 0x01, 0x10, /* version */
0x10, 0x44, 0x00, 0x01, 0x02, /* wps state */
0x10, 0x47, /* UUID E */
0x00, 0x10, /* len */
0x98, 0x42, 0x13, 0x05, 0x23, 0x6e, 0xde, 0x3a,
0xfa, 0x13, 0x0a, 0x79, 0x44, 0x0f, 0xab, 0x43, /* enrollee */
0x10, 0x3c, 0x00, 0x01, 0x03, /* RF bands: 2.5 & 5 GHz */
0x10, 0x49, 0x00, 0x06, 0x00, 0x37, 0x2a, 0x00,
0x01, 0x20 /* vendor extension */ );
ie(IE_TYPE_VENDOR_SPECIFIC, 0x09,
0x00, 0x10, 0x18, /* OUI (Broadcom) */
0x02, /* type */
0x02, 0x00, 0x1c, 0x00, 0x00 /* data */ );
ie(IE_TYPE_VENDOR_SPECIFIC, 0x18,
0x00, 0x50, 0xf2, /* OUI (Microsoft) */
0x02, /* WMM/WME type */
0x01, 0x01, 0x80, 0x00, 0x03, 0xa4, 0x00, 0x00,
0x27, 0xa4, 0x00, 0x00, 0x42, 0x43, 0x5e, 0x00,
0x62, 0x32, 0x2f, 0x00, 0x01, 0x9a, 0xc1, 0xc8 /* data */ );
ie_tlv_builder_finalize(&builder, &builder_len);
assert(final_len == builder_len);
assert(expected_len = final_len);
assert(ie_count == test->num_ie);
str = l_util_hexstring(test->buf, final_len);
printf("IE buf %s\n", str);
l_free(str);
if (memcmp(test->buf, expected_buf, final_len)) {
unsigned int i;
str = l_util_hexstring(&beacon_frame[36], final_len);
printf("Expecting buf %s\n", str);
l_free(str);
for (i = 0; i < final_len; i++) {
if (expected_buf[i] != test->buf[i]) {
printf("1st difference at pos %d "
"expecting 0x%02x got 0x%02x\n",
i, expected_buf[i], test->buf[i]);
break;
}
}
assert(!memcmp(test->buf, expected_buf, final_len));
}
printf("Wrote %d IE total len %d\n", ie_count, expected_len);
}
static void ie_test_writer_invalid_tag(const void *data)
{
struct ie_tlv_builder builder;
assert(ie_tlv_builder_init(&builder));
assert(!ie_tlv_builder_next(&builder, 256));
}
static void ie_test_writer_invalid_len(const void *data)
{
struct ie_tlv_builder builder;
assert(ie_tlv_builder_init(&builder));
assert(ie_tlv_builder_next(&builder, 255));
assert(!ie_tlv_builder_set_length(&builder, MAX_BUILDER_SIZE));
}
int main(int argc, char *argv[])
{
l_test_init(&argc, &argv);
l_test_add("/ie/reader/static", ie_test_reader, &beacon_frame_data);
l_test_add("/ie/writer/invalid-tag", ie_test_writer_invalid_tag, NULL);
l_test_add("/ie/writer/invalid-len", ie_test_writer_invalid_len, NULL);
l_test_add("/ie/writer/create", ie_test_writer, &beacon_frame_data);
return l_test_run();
}