mirror of https://gerrit.osmocom.org/libosmocore
387 lines
11 KiB
C
387 lines
11 KiB
C
/* tests for utilities of libmsomcore */
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/*
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* (C) 2014 Holger Hans Peter Freyther
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <osmocom/gsm/ipa.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/core/utils.h>
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#include <stdio.h>
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#include <ctype.h>
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static void hexdump_test(void)
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{
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uint8_t data[4098];
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int i;
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for (i = 0; i < ARRAY_SIZE(data); ++i)
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data[i] = i & 0xff;
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printf("Plain dump\n");
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printf("%s\n", osmo_hexdump(data, 4));
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printf("Corner case\n");
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printf("%s\n", osmo_hexdump(data, ARRAY_SIZE(data)));
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printf("%s\n", osmo_hexdump_nospc(data, ARRAY_SIZE(data)));
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}
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static void hexparse_test(void)
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{
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int i;
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int rc;
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uint8_t data[256];
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printf("\nHexparse 0..255 in lower case\n");
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memset(data, 0, sizeof(data));
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rc = osmo_hexparse(
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"000102030405060708090a0b0c0d0e0f"
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"101112131415161718191a1b1c1d1e1f"
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"202122232425262728292a2b2c2d2e2f"
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"303132333435363738393a3b3c3d3e3f"
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"404142434445464748494a4b4c4d4e4f"
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"505152535455565758595a5b5c5d5e5f"
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"606162636465666768696a6b6c6d6e6f"
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"707172737475767778797a7b7c7d7e7f"
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"808182838485868788898a8b8c8d8e8f"
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"909192939495969798999a9b9c9d9e9f"
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"a0a1a2a3a4a5a6a7a8a9aaabacadaeaf"
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"b0b1b2b3b4b5b6b7b8b9babbbcbdbebf"
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"c0c1c2c3c4c5c6c7c8c9cacbcccdcecf"
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"d0d1d2d3d4d5d6d7d8d9dadbdcdddedf"
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"e0e1e2e3e4e5e6e7e8e9eaebecedeeef"
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"f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff"
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, data, sizeof(data));
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printf("rc = %d\n", rc);
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printf("--> %s\n\n", osmo_hexdump(data, sizeof(data)));
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for (i = 0; i < sizeof(data); i++)
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OSMO_ASSERT(data[i] == i);
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printf("Hexparse 0..255 in upper case\n");
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memset(data, 0, sizeof(data));
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rc = osmo_hexparse(
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"000102030405060708090A0B0C0D0E0F"
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"101112131415161718191A1B1C1D1E1F"
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"202122232425262728292A2B2C2D2E2F"
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"303132333435363738393A3B3C3D3E3F"
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"404142434445464748494A4B4C4D4E4F"
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"505152535455565758595A5B5C5D5E5F"
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"606162636465666768696A6B6C6D6E6F"
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"707172737475767778797A7B7C7D7E7F"
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"808182838485868788898A8B8C8D8E8F"
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"909192939495969798999A9B9C9D9E9F"
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"A0A1A2A3A4A5A6A7A8A9AAABACADAEAF"
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"B0B1B2B3B4B5B6B7B8B9BABBBCBDBEBF"
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"C0C1C2C3C4C5C6C7C8C9CACBCCCDCECF"
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"D0D1D2D3D4D5D6D7D8D9DADBDCDDDEDF"
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"E0E1E2E3E4E5E6E7E8E9EAEBECEDEEEF"
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"F0F1F2F3F4F5F6F7F8F9FAFBFCFDFEFF"
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, data, sizeof(data));
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printf("rc = %d\n", rc);
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printf("--> %s\n\n", osmo_hexdump(data, sizeof(data)));
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for (i = 0; i < sizeof(data); i++)
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OSMO_ASSERT(data[i] == i);
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printf("Hexparse 0..255 in mixed case\n");
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memset(data, 0, sizeof(data));
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rc = osmo_hexparse(
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"000102030405060708090A0B0C0D0E0F"
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"101112131415161718191A1B1C1D1E1F"
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"202122232425262728292A2B2C2D2E2F"
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"303132333435363738393a3b3c3d3e3f"
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"404142434445464748494A4B4C4D4E4F"
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"505152535455565758595a5b5c5d5e5f"
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"606162636465666768696A6B6C6D6E6F"
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"707172737475767778797A7B7C7D7E7F"
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"808182838485868788898A8B8C8D8E8F"
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"909192939495969798999A9B9C9D9E9F"
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"A0A1A2A3a4a5a6a7a8a9AAABACADAEAF"
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"B0B1B2B3b4b5b6b7b8b9BABBBCBDBEBF"
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"C0C1C2C3c4c5c6c7c8c9CACBCCCDCECF"
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"D0D1D2D3d4d5d6d7d8d9DADBDCDDDEDF"
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"E0E1E2E3e4e5e6e7e8e9EAEBECEDEEEF"
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"F0F1F2F3f4f5f6f7f8f9FAFBFCFDFEFF"
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, data, sizeof(data));
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printf("rc = %d\n", rc);
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printf("--> %s\n\n", osmo_hexdump(data, sizeof(data)));
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for (i = 0; i < sizeof(data); i++)
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OSMO_ASSERT(data[i] == i);
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printf("Hexparse 0..255 with whitespace\n");
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memset(data, 0, sizeof(data));
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rc = osmo_hexparse(
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"00 01\t02\r030405060708090A0B0C0D0 E 0 F\n"
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"10 11\t12\r131415161718191A1B1C1D1 E 1 F\n"
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"20 21\t22\r232425262728292A2B2C2D2 E 2 F\n"
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"30 31\t32\r333435363738393a3b3c3d3 e 3 f\n"
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"40 41\t42\r434445464748494A4B4C4D4 E 4 F\n"
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"50 51\t52\r535455565758595a5b5c5d5 e 5 f\n"
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"60 61\t62\r636465666768696A6B6C6D6 E 6 F\n"
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"70 71\t72\r737475767778797A7B7C7D7 E 7 F\n"
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"80 81\t82\r838485868788898A8B8C8D8 E 8 F\n"
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"90 91\t92\r939495969798999A9B9C9D9 E 9 F\n"
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"A0 A1\tA2\rA3a4a5a6a7a8a9AAABACADA E A F\n"
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"B0 B1\tB2\rB3b4b5b6b7b8b9BABBBCBDB E B F\n"
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"C0 C1\tC2\rC3c4c5c6c7c8c9CACBCCCDC E C F \n"
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"D0 D1\tD2\rD3d4d5d6d7d8d9DADBDCDDD E D F\t\n"
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"E0 E1\tE2\rE3e4e5e6e7e8e9EAEBECEDE E E F \t\n"
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"F0 F1\tF2\rF3f4f5f6f7f8f9FAFBFCFDF E F F \t\r\n"
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, data, sizeof(data));
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printf("rc = %d\n", rc);
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printf("--> %s\n\n", osmo_hexdump(data, sizeof(data)));
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for (i = 0; i < sizeof(data); i++)
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OSMO_ASSERT(data[i] == i);
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printf("Hexparse with buffer too short\n");
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memset(data, 0, sizeof(data));
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rc = osmo_hexparse("000102030405060708090a0b0c0d0e0f", data, 15);
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printf("rc = %d\n", rc);
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printf("Hexparse with uneven amount of digits\n");
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memset(data, 0, sizeof(data));
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rc = osmo_hexparse("000102030405060708090a0b0c0d0e0", data, 16);
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printf("rc = %d\n", rc);
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printf("Hexparse with invalid char\n");
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memset(data, 0, sizeof(data));
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rc = osmo_hexparse("0001020304050X0708090a0b0c0d0e0f", data, 16);
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printf("rc = %d\n", rc);
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}
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static void test_idtag_parsing(void)
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{
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struct tlv_parsed tvp;
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int rc;
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static uint8_t data[] = {
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0x01, 0x08,
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0x01, 0x07,
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0x01, 0x02,
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0x01, 0x03,
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0x01, 0x04,
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0x01, 0x05,
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0x01, 0x01,
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0x01, 0x00,
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0x11, 0x23, 0x4e, 0x6a, 0x28, 0xd2, 0xa2, 0x53, 0x3a, 0x2a, 0x82, 0xa7, 0x7a, 0xef, 0x29, 0xd4, 0x44, 0x30,
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0x11, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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rc = ipa_ccm_idtag_parse_off(&tvp, data, sizeof(data), 1);
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OSMO_ASSERT(rc == 0);
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OSMO_ASSERT(TLVP_PRESENT(&tvp, 8));
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OSMO_ASSERT(TLVP_LEN(&tvp, 8) == 0);
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OSMO_ASSERT(TLVP_PRESENT(&tvp, 7));
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OSMO_ASSERT(TLVP_LEN(&tvp, 7) == 0);
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OSMO_ASSERT(TLVP_PRESENT(&tvp, 2));
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OSMO_ASSERT(TLVP_LEN(&tvp, 2) == 0);
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OSMO_ASSERT(TLVP_PRESENT(&tvp, 3));
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OSMO_ASSERT(TLVP_LEN(&tvp, 3) == 0);
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OSMO_ASSERT(TLVP_PRESENT(&tvp, 4));
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OSMO_ASSERT(TLVP_LEN(&tvp, 4) == 0);
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OSMO_ASSERT(TLVP_PRESENT(&tvp, 5));
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OSMO_ASSERT(TLVP_LEN(&tvp, 5) == 0);
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OSMO_ASSERT(TLVP_PRESENT(&tvp, 1));
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OSMO_ASSERT(TLVP_LEN(&tvp, 1) == 0);
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OSMO_ASSERT(TLVP_PRESENT(&tvp, 0));
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OSMO_ASSERT(TLVP_LEN(&tvp, 0) == 0);
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OSMO_ASSERT(TLVP_PRESENT(&tvp, 0x23));
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OSMO_ASSERT(TLVP_LEN(&tvp, 0x23) == 16);
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OSMO_ASSERT(TLVP_PRESENT(&tvp, 0x24));
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OSMO_ASSERT(TLVP_LEN(&tvp, 0x24) == 16);
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OSMO_ASSERT(!TLVP_PRESENT(&tvp, 0x25));
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}
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static struct {
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const char *str;
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int min_digits;
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int max_digits;
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bool require_even;
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bool expect_ok;
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} test_hexstrs[] = {
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{ NULL, 0, 10, false, true },
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{ NULL, 1, 10, false, false },
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{ "", 0, 10, false, true },
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{ "", 1, 10, false, false },
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{ " ", 0, 10, false, false },
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{ "1", 0, 10, false, true },
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{ "1", 1, 10, false, true },
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{ "1", 1, 10, true, false },
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{ "1", 2, 10, false, false },
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{ "123", 1, 10, false, true },
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{ "123", 1, 10, true, false },
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{ "123", 4, 10, false, false },
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{ "1234", 4, 10, true, true },
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{ "12345", 4, 10, true, false },
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{ "123456", 4, 10, true, true },
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{ "1234567", 4, 10, true, false },
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{ "12345678", 4, 10, true, true },
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{ "123456789", 4, 10, true, false },
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{ "123456789a", 4, 10, true, true },
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{ "123456789ab", 4, 10, true, false },
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{ "123456789abc", 4, 10, true, false },
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{ "123456789ab", 4, 10, false, false },
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{ "123456789abc", 4, 10, false, false },
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{ "0123456789abcdefABCDEF", 0, 100, false, true },
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{ "0123456789 abcdef ABCDEF", 0, 100, false, false },
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{ "foobar", 0, 100, false, false },
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{ "BeadedBeeAced1EbbedDefacedFacade", 32, 32, true, true },
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{ "C01ffedC1cadaeAc1d1f1edAcac1aB0a", 32, 32, false, true },
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{ "DeafBeddedBabeAcceededFadedDecaff", 32, 32, false, false },
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};
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bool test_is_hexstr()
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{
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int i;
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bool pass = true;
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bool ok = true;
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printf("\n----- %s\n", __func__);
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for (i = 0; i < ARRAY_SIZE(test_hexstrs); i++) {
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ok = osmo_is_hexstr(test_hexstrs[i].str,
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test_hexstrs[i].min_digits,
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test_hexstrs[i].max_digits,
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test_hexstrs[i].require_even);
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pass = pass && (ok == test_hexstrs[i].expect_ok);
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printf("%2d: %s str='%s' min=%d max=%d even=%d expect=%s\n",
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i, test_hexstrs[i].expect_ok == ok ? "pass" : "FAIL",
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test_hexstrs[i].str,
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test_hexstrs[i].min_digits,
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test_hexstrs[i].max_digits,
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test_hexstrs[i].require_even,
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test_hexstrs[i].expect_ok ? "valid" : "invalid");
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}
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return pass;
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}
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struct bcdcheck {
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uint8_t bcd;
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char ch;
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};
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static const struct bcdcheck bcdchecks[] = {
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{ 0, '0' },
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{ 1, '1' },
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{ 2, '2' },
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{ 3, '3' },
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{ 4, '4' },
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{ 5, '5' },
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{ 6, '6' },
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{ 7, '7' },
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{ 8, '8' },
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{ 9, '9' },
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{ 0xA, 'A' },
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{ 0xB, 'B' },
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{ 0xC, 'C' },
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{ 0xD, 'D' },
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{ 0xE, 'E' },
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{ 0xF, 'F' },
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};
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static void bcd_test(void)
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{
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int i;
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printf("\nTesting BCD conversion\n");
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for (i = 0; i < ARRAY_SIZE(bcdchecks); i++) {
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const struct bcdcheck *check = &bcdchecks[i];
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char ch = osmo_bcd2char(check->bcd);
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printf("\tval=0x%x, expected=%c, found=%c\n", check->bcd, check->ch, ch);
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OSMO_ASSERT(osmo_bcd2char(check->bcd) == check->ch);
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/* test char -> bcd back-coversion */
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OSMO_ASSERT(osmo_char2bcd(ch) == check->bcd);
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/* test for lowercase hex char */
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OSMO_ASSERT(osmo_char2bcd(tolower(ch)) == check->bcd);
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}
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}
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static void str_escape_test(void)
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{
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int i;
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int j;
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uint8_t in_buf[32];
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char out_buf[11];
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const char *printable = "printable";
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const char *res;
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printf("\nTesting string escaping\n");
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printf("- all chars from 0 to 255 in batches of 16:\n");
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in_buf[16] = '\0';
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for (j = 0; j < 16; j++) {
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for (i = 0; i < 16; i++)
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in_buf[i] = (j << 4) | i;
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printf("\"%s\"\n", osmo_escape_str((const char*)in_buf, 16));
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}
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printf("- nul terminated:\n");
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printf("\"%s\"\n", osmo_escape_str("termi\nated", -1));
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printf("- passthru:\n");
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res = osmo_escape_str(printable, -1);
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if (res != printable)
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printf("NOT passed through! \"%s\"\n", res);
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else
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printf("passed through unchanged \"%s\"\n", res);
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printf("- zero length:\n");
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printf("\"%s\"\n", osmo_escape_str("omitted", 0));
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printf("- truncation when too long:\n");
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memset(in_buf, 'x', sizeof(in_buf));
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in_buf[0] = '\a';
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in_buf[7] = 'E';
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memset(out_buf, 0x7f, sizeof(out_buf));
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printf("\"%s\"\n", osmo_escape_str_buf((const char *)in_buf, sizeof(in_buf), out_buf, 10));
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OSMO_ASSERT(out_buf[10] == 0x7f);
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printf("- passthrough without truncation when no escaping needed:\n");
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memset(in_buf, 'x', sizeof(in_buf));
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in_buf[19] = 'E';
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in_buf[20] = '\0';
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memset(out_buf, 0x7f, sizeof(out_buf));
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printf("\"%s\"\n", osmo_escape_str_buf((const char *)in_buf, -1, out_buf, 10));
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OSMO_ASSERT(out_buf[0] == 0x7f);
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}
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int main(int argc, char **argv)
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{
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static const struct log_info log_info = {};
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log_init(&log_info, NULL);
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hexdump_test();
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hexparse_test();
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test_idtag_parsing();
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test_is_hexstr();
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bcd_test();
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str_escape_test();
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return 0;
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}
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