624 lines
18 KiB
C
624 lines
18 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <string.h>
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#include <inttypes.h>
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#include <rte_string_fns.h>
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#include <cmdline_parse.h>
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#include <cmdline_parse_num.h>
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#include "test_cmdline.h"
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struct num_unsigned_str {
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const char * str;
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uint64_t result;
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};
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struct num_signed_str {
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const char * str;
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int64_t result;
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};
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const struct num_unsigned_str num_valid_positive_strs[] = {
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/* decimal positive */
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{"0", 0 },
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{"127", INT8_MAX },
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{"128", INT8_MAX + 1 },
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{"255", UINT8_MAX },
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{"256", UINT8_MAX + 1 },
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{"32767", INT16_MAX },
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{"32768", INT16_MAX + 1 },
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{"65535", UINT16_MAX },
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{"65536", UINT16_MAX + 1 },
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{"2147483647", INT32_MAX },
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{"2147483648", INT32_MAX + 1U },
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{"4294967295", UINT32_MAX },
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{"4294967296", UINT32_MAX + 1ULL },
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{"9223372036854775807", INT64_MAX },
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{"9223372036854775808", INT64_MAX + 1ULL},
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{"18446744073709551615", UINT64_MAX },
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/* hexadecimal (no leading zeroes) */
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{"0x0", 0 },
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{"0x7F", INT8_MAX },
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{"0x80", INT8_MAX + 1 },
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{"0xFF", UINT8_MAX },
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{"0x100", UINT8_MAX + 1 },
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{"0x7FFF", INT16_MAX },
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{"0x8000", INT16_MAX + 1 },
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{"0xFFFF", UINT16_MAX },
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{"0x10000", UINT16_MAX + 1 },
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{"0x7FFFFFFF", INT32_MAX },
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{"0x80000000", INT32_MAX + 1U },
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{"0xFFFFFFFF", UINT32_MAX },
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{"0x100000000", UINT32_MAX + 1ULL },
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{"0x7FFFFFFFFFFFFFFF", INT64_MAX },
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{"0x8000000000000000", INT64_MAX + 1ULL},
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{"0xFFFFFFFFFFFFFFFF", UINT64_MAX },
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/* hexadecimal (with leading zeroes) */
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{"0x00", 0 },
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{"0x7F", INT8_MAX },
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{"0x80", INT8_MAX + 1 },
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{"0xFF", UINT8_MAX },
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{"0x0100", UINT8_MAX + 1 },
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{"0x7FFF", INT16_MAX },
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{"0x8000", INT16_MAX + 1 },
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{"0xFFFF", UINT16_MAX },
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{"0x00010000", UINT16_MAX + 1 },
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{"0x7FFFFFFF", INT32_MAX },
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{"0x80000000", INT32_MAX + 1U },
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{"0xFFFFFFFF", UINT32_MAX },
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{"0x0000000100000000", UINT32_MAX + 1ULL },
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{"0x7FFFFFFFFFFFFFFF", INT64_MAX },
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{"0x8000000000000000", INT64_MAX + 1ULL},
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{"0xFFFFFFFFFFFFFFFF", UINT64_MAX },
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/* check all characters */
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{"0x1234567890ABCDEF", 0x1234567890ABCDEFULL },
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{"0x1234567890abcdef", 0x1234567890ABCDEFULL },
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/* binary (no leading zeroes) */
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{"0b0", 0 },
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{"0b1111111", INT8_MAX },
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{"0b10000000", INT8_MAX + 1 },
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{"0b11111111", UINT8_MAX },
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{"0b100000000", UINT8_MAX + 1 },
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{"0b111111111111111", INT16_MAX },
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{"0b1000000000000000", INT16_MAX + 1 },
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{"0b1111111111111111", UINT16_MAX },
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{"0b10000000000000000", UINT16_MAX + 1 },
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{"0b1111111111111111111111111111111", INT32_MAX },
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{"0b10000000000000000000000000000000", INT32_MAX + 1U },
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{"0b11111111111111111111111111111111", UINT32_MAX },
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{"0b100000000000000000000000000000000", UINT32_MAX + 1ULL },
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{"0b111111111111111111111111111111111111111111111111111111111111111",
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INT64_MAX },
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{"0b1000000000000000000000000000000000000000000000000000000000000000",
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INT64_MAX + 1ULL},
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{"0b1111111111111111111111111111111111111111111111111111111111111111",
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UINT64_MAX },
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/* binary (with leading zeroes) */
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{"0b01111111", INT8_MAX },
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{"0b0000000100000000", UINT8_MAX + 1 },
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{"0b0111111111111111", INT16_MAX },
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{"0b00000000000000010000000000000000", UINT16_MAX + 1 },
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{"0b01111111111111111111111111111111", INT32_MAX },
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{"0b0000000000000000000000000000000100000000000000000000000000000000",
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UINT32_MAX + 1ULL },
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{"0b0111111111111111111111111111111111111111111111111111111111111111",
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INT64_MAX },
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/* octal */
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{"00", 0 },
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{"0177", INT8_MAX },
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{"0200", INT8_MAX + 1 },
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{"0377", UINT8_MAX },
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{"0400", UINT8_MAX + 1 },
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{"077777", INT16_MAX },
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{"0100000", INT16_MAX + 1 },
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{"0177777", UINT16_MAX },
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{"0200000", UINT16_MAX + 1 },
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{"017777777777", INT32_MAX },
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{"020000000000", INT32_MAX + 1U },
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{"037777777777", UINT32_MAX },
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{"040000000000", UINT32_MAX + 1ULL },
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{"0777777777777777777777", INT64_MAX },
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{"01000000000000000000000", INT64_MAX + 1ULL},
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{"01777777777777777777777", UINT64_MAX },
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/* check all numbers */
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{"012345670", 012345670 },
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{"076543210", 076543210 },
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};
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const struct num_signed_str num_valid_negative_strs[] = {
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/* deciman negative */
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{"-128", INT8_MIN },
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{"-129", INT8_MIN - 1 },
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{"-32768", INT16_MIN },
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{"-32769", INT16_MIN - 1 },
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{"-2147483648", INT32_MIN },
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{"-2147483649", INT32_MIN - 1LL },
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{"-9223372036854775808", INT64_MIN },
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};
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const struct num_unsigned_str num_garbage_positive_strs[] = {
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/* valid strings with garbage on the end, should still be valid */
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/* decimal */
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{"9223372036854775807\0garbage", INT64_MAX },
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{"9223372036854775807\tgarbage", INT64_MAX },
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{"9223372036854775807\rgarbage", INT64_MAX },
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{"9223372036854775807\ngarbage", INT64_MAX },
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{"9223372036854775807#garbage", INT64_MAX },
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{"9223372036854775807 garbage", INT64_MAX },
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/* hex */
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{"0x7FFFFFFFFFFFFFFF\0garbage", INT64_MAX },
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{"0x7FFFFFFFFFFFFFFF\tgarbage", INT64_MAX },
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{"0x7FFFFFFFFFFFFFFF\rgarbage", INT64_MAX },
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{"0x7FFFFFFFFFFFFFFF\ngarbage", INT64_MAX },
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{"0x7FFFFFFFFFFFFFFF#garbage", INT64_MAX },
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{"0x7FFFFFFFFFFFFFFF garbage", INT64_MAX },
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/* binary */
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{"0b1111111111111111111111111111111\0garbage", INT32_MAX },
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{"0b1111111111111111111111111111111\rgarbage", INT32_MAX },
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{"0b1111111111111111111111111111111\tgarbage", INT32_MAX },
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{"0b1111111111111111111111111111111\ngarbage", INT32_MAX },
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{"0b1111111111111111111111111111111#garbage", INT32_MAX },
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{"0b1111111111111111111111111111111 garbage", INT32_MAX },
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/* octal */
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{"01777777777777777777777\0garbage", UINT64_MAX },
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{"01777777777777777777777\rgarbage", UINT64_MAX },
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{"01777777777777777777777\tgarbage", UINT64_MAX },
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{"01777777777777777777777\ngarbage", UINT64_MAX },
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{"01777777777777777777777#garbage", UINT64_MAX },
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{"01777777777777777777777 garbage", UINT64_MAX },
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};
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const struct num_signed_str num_garbage_negative_strs[] = {
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/* valid strings with garbage on the end, should still be valid */
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{"-9223372036854775808\0garbage", INT64_MIN },
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{"-9223372036854775808\rgarbage", INT64_MIN },
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{"-9223372036854775808\tgarbage", INT64_MIN },
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{"-9223372036854775808\ngarbage", INT64_MIN },
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{"-9223372036854775808#garbage", INT64_MIN },
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{"-9223372036854775808 garbage", INT64_MIN },
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};
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const char * num_invalid_strs[] = {
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"18446744073709551616", /* out of range unsigned */
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"-9223372036854775809", /* out of range negative signed */
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"0x10000000000000000", /* out of range hex */
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/* out of range binary */
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"0b10000000000000000000000000000000000000000000000000000000000000000",
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"020000000000000000000000", /* out of range octal */
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/* wrong chars */
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"0123456239",
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"0x1234580AGE",
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"0b0111010101g001",
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"0b01110101017001",
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/* false negative numbers */
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"-12345F623",
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"-0x1234580A",
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"-0b0111010101",
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/* too long (128+ chars) */
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"0b1111000011110000111100001111000011110000111100001111000011110000"
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"1111000011110000111100001111000011110000111100001111000011110000",
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"1E3",
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"0A",
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"-B",
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"+4",
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"1.23G",
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"",
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" ",
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"#",
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"\r",
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"\t",
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"\n",
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"\0",
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};
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#define NUM_POSITIVE_STRS_SIZE \
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(sizeof(num_valid_positive_strs) / sizeof(num_valid_positive_strs[0]))
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#define NUM_NEGATIVE_STRS_SIZE \
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(sizeof(num_valid_negative_strs) / sizeof(num_valid_negative_strs[0]))
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#define NUM_POSITIVE_GARBAGE_STRS_SIZE \
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(sizeof(num_garbage_positive_strs) / sizeof(num_garbage_positive_strs[0]))
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#define NUM_NEGATIVE_GARBAGE_STRS_SIZE \
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(sizeof(num_garbage_negative_strs) / sizeof(num_garbage_negative_strs[0]))
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#define NUM_INVALID_STRS_SIZE \
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(sizeof(num_invalid_strs) / sizeof(num_invalid_strs[0]))
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static int
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can_parse_unsigned(uint64_t expected_result, enum cmdline_numtype type)
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{
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switch (type) {
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case UINT8:
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if (expected_result > UINT8_MAX)
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return 0;
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break;
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case UINT16:
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if (expected_result > UINT16_MAX)
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return 0;
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break;
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case UINT32:
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if (expected_result > UINT32_MAX)
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return 0;
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break;
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case INT8:
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if (expected_result > INT8_MAX)
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return 0;
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break;
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case INT16:
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if (expected_result > INT16_MAX)
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return 0;
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break;
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case INT32:
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if (expected_result > INT32_MAX)
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return 0;
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break;
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case INT64:
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if (expected_result > INT64_MAX)
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return 0;
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break;
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default:
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return 1;
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}
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return 1;
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}
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static int
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can_parse_signed(int64_t expected_result, enum cmdline_numtype type)
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{
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switch (type) {
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case UINT8:
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if (expected_result > UINT8_MAX || expected_result < 0)
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return 0;
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break;
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case UINT16:
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if (expected_result > UINT16_MAX || expected_result < 0)
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return 0;
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break;
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case UINT32:
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if (expected_result > UINT32_MAX || expected_result < 0)
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return 0;
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break;
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case UINT64:
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if (expected_result < 0)
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return 0;
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case INT8:
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if (expected_result > INT8_MAX || expected_result < INT8_MIN)
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return 0;
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break;
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case INT16:
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if (expected_result > INT16_MAX || expected_result < INT16_MIN)
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return 0;
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break;
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case INT32:
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if (expected_result > INT32_MAX || expected_result < INT32_MIN)
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return 0;
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break;
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default:
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return 1;
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}
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return 1;
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}
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/* test invalid parameters */
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int
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test_parse_num_invalid_param(void)
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{
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char buf[CMDLINE_TEST_BUFSIZE];
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uint32_t result;
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cmdline_parse_token_num_t token;
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int ret = 0;
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/* set up a token */
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token.num_data.type = UINT32;
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/* copy string to buffer */
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rte_snprintf(buf, sizeof(buf), "%s",
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num_valid_positive_strs[0].str);
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/* try all null */
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ret = cmdline_parse_num(NULL, NULL, NULL);
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if (ret != -1) {
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printf("Error: parser accepted null parameters!\n");
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return -1;
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}
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/* try null token */
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ret = cmdline_parse_num(NULL, buf, (void*)&result);
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if (ret != -1) {
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printf("Error: parser accepted null token!\n");
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return -1;
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}
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/* try null buf */
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ret = cmdline_parse_num((cmdline_parse_token_hdr_t*)&token, NULL,
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(void*)&result);
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if (ret != -1) {
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printf("Error: parser accepted null string!\n");
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return -1;
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}
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/* try null result */
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ret = cmdline_parse_num((cmdline_parse_token_hdr_t*)&token, buf, NULL);
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if (ret == -1) {
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printf("Error: parser rejected null result!\n");
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return -1;
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}
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/* test help function */
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memset(&buf, 0, sizeof(buf));
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/* try all null */
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ret = cmdline_get_help_num(NULL, NULL, 0);
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if (ret != -1) {
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printf("Error: help function accepted null parameters!\n");
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return -1;
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}
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/* try null token */
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ret = cmdline_get_help_num(NULL, buf, sizeof(buf));
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if (ret != -1) {
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printf("Error: help function accepted null token!\n");
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return -1;
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}
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/* try null buf */
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ret = cmdline_get_help_num((cmdline_parse_token_hdr_t*)&token, NULL, sizeof(buf));
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if (ret != -1) {
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printf("Error: help function accepted null buffer!\n");
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return -1;
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}
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/* coverage! */
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ret = cmdline_get_help_num((cmdline_parse_token_hdr_t*)&token, buf, sizeof(buf));
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if (ret < 0) {
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printf("Error: help function failed with valid parameters!\n");
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return -1;
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}
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return 0;
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}
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/* test valid parameters but invalid data */
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int
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test_parse_num_invalid_data(void)
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{
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enum cmdline_numtype type;
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int ret = 0;
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unsigned i;
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char buf[CMDLINE_TEST_BUFSIZE];
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uint64_t result; /* pick largest buffer */
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cmdline_parse_token_num_t token;
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/* cycle through all possible parsed types */
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for (type = UINT8; type <= INT64; type++) {
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token.num_data.type = type;
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/* test full strings */
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for (i = 0; i < NUM_INVALID_STRS_SIZE; i++) {
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memset(&result, 0, sizeof(uint64_t));
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memset(&buf, 0, sizeof(buf));
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ret = cmdline_parse_num((cmdline_parse_token_hdr_t*)&token,
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num_invalid_strs[i], (void*)&result);
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if (ret != -1) {
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/* get some info about what we are trying to parse */
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cmdline_get_help_num((cmdline_parse_token_hdr_t*)&token,
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buf, sizeof(buf));
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printf("Error: parsing %s as %s succeeded!\n",
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num_invalid_strs[i], buf);
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return -1;
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}
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}
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}
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return 0;
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}
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/* test valid parameters and data */
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int
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test_parse_num_valid(void)
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{
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int ret = 0;
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enum cmdline_numtype type;
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unsigned i;
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char buf[CMDLINE_TEST_BUFSIZE];
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uint64_t result;
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cmdline_parse_token_num_t token;
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/** valid strings **/
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/* cycle through all possible parsed types */
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for (type = UINT8; type <= INT64; type++) {
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token.num_data.type = type;
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/* test positive strings */
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for (i = 0; i < NUM_POSITIVE_STRS_SIZE; i++) {
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result = 0;
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memset(&buf, 0, sizeof(buf));
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cmdline_get_help_num((cmdline_parse_token_hdr_t*)&token,
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buf, sizeof(buf));
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ret = cmdline_parse_num((cmdline_parse_token_hdr_t*) &token, num_valid_positive_strs[i].str,
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(void*)&result);
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/* if it should have passed but didn't, or if it should have failed but didn't */
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if ((ret < 0) == (can_parse_unsigned(num_valid_positive_strs[i].result, type) > 0)) {
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printf("Error: parser behaves unexpectedly when parsing %s as %s!\n",
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num_valid_positive_strs[i].str, buf);
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return -1;
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}
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/* check if result matches what it should have matched
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* since unsigned numbers don't care about number of bits, we can just convert
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* everything to uint64_t without any worries. */
|
|
if (ret > 0 && num_valid_positive_strs[i].result != result) {
|
|
printf("Error: parsing %s as %s failed: result mismatch!\n",
|
|
num_valid_positive_strs[i].str, buf);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* test negative strings */
|
|
for (i = 0; i < NUM_NEGATIVE_STRS_SIZE; i++) {
|
|
result = 0;
|
|
memset(&buf, 0, sizeof(buf));
|
|
|
|
cmdline_get_help_num((cmdline_parse_token_hdr_t*)&token,
|
|
buf, sizeof(buf));
|
|
|
|
ret = cmdline_parse_num((cmdline_parse_token_hdr_t*) &token, num_valid_negative_strs[i].str,
|
|
(void*)&result);
|
|
|
|
/* if it should have passed but didn't, or if it should have failed but didn't */
|
|
if ((ret < 0) == (can_parse_signed(num_valid_negative_strs[i].result, type) > 0)) {
|
|
printf("Error: parser behaves unexpectedly when parsing %s as %s!\n",
|
|
num_valid_negative_strs[i].str, buf);
|
|
return -1;
|
|
}
|
|
/* check if result matches what it should have matched
|
|
* the result is signed in this case, so we have to account for that */
|
|
if (ret > 0) {
|
|
/* detect negative */
|
|
switch (type) {
|
|
case INT8:
|
|
result = (int8_t) result;
|
|
break;
|
|
case INT16:
|
|
result = (int16_t) result;
|
|
break;
|
|
case INT32:
|
|
result = (int32_t) result;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (num_valid_negative_strs[i].result == (int64_t) result)
|
|
continue;
|
|
printf("Error: parsing %s as %s failed: result mismatch!\n",
|
|
num_valid_negative_strs[i].str, buf);
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
/** garbage strings **/
|
|
|
|
/* cycle through all possible parsed types */
|
|
for (type = UINT8; type <= INT64; type++) {
|
|
token.num_data.type = type;
|
|
|
|
/* test positive garbage strings */
|
|
for (i = 0; i < NUM_POSITIVE_GARBAGE_STRS_SIZE; i++) {
|
|
result = 0;
|
|
memset(&buf, 0, sizeof(buf));
|
|
|
|
cmdline_get_help_num((cmdline_parse_token_hdr_t*)&token,
|
|
buf, sizeof(buf));
|
|
|
|
ret = cmdline_parse_num((cmdline_parse_token_hdr_t*) &token, num_garbage_positive_strs[i].str,
|
|
(void*)&result);
|
|
|
|
/* if it should have passed but didn't, or if it should have failed but didn't */
|
|
if ((ret < 0) == (can_parse_unsigned(num_garbage_positive_strs[i].result, type) > 0)) {
|
|
printf("Error: parser behaves unexpectedly when parsing %s as %s!\n",
|
|
num_garbage_positive_strs[i].str, buf);
|
|
return -1;
|
|
}
|
|
/* check if result matches what it should have matched
|
|
* since unsigned numbers don't care about number of bits, we can just convert
|
|
* everything to uint64_t without any worries. */
|
|
if (ret > 0 && num_garbage_positive_strs[i].result != result) {
|
|
printf("Error: parsing %s as %s failed: result mismatch!\n",
|
|
num_garbage_positive_strs[i].str, buf);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* test negative strings */
|
|
for (i = 0; i < NUM_NEGATIVE_GARBAGE_STRS_SIZE; i++) {
|
|
result = 0;
|
|
memset(&buf, 0, sizeof(buf));
|
|
|
|
cmdline_get_help_num((cmdline_parse_token_hdr_t*)&token,
|
|
buf, sizeof(buf));
|
|
|
|
ret = cmdline_parse_num((cmdline_parse_token_hdr_t*) &token, num_garbage_negative_strs[i].str,
|
|
(void*)&result);
|
|
|
|
/* if it should have passed but didn't, or if it should have failed but didn't */
|
|
if ((ret < 0) == (can_parse_signed(num_garbage_negative_strs[i].result, type) > 0)) {
|
|
printf("Error: parser behaves unexpectedly when parsing %s as %s!\n",
|
|
num_garbage_negative_strs[i].str, buf);
|
|
return -1;
|
|
}
|
|
/* check if result matches what it should have matched
|
|
* the result is signed in this case, so we have to account for that */
|
|
if (ret > 0) {
|
|
/* detect negative */
|
|
switch (type) {
|
|
case INT8:
|
|
if (result & (INT8_MAX + 1))
|
|
result |= 0xFFFFFFFFFFFFFF00ULL;
|
|
break;
|
|
case INT16:
|
|
if (result & (INT16_MAX + 1))
|
|
result |= 0xFFFFFFFFFFFF0000ULL;
|
|
break;
|
|
case INT32:
|
|
if (result & (INT32_MAX + 1ULL))
|
|
result |= 0xFFFFFFFF00000000ULL;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (num_garbage_negative_strs[i].result == (int64_t) result)
|
|
continue;
|
|
printf("Error: parsing %s as %s failed: result mismatch!\n",
|
|
num_garbage_negative_strs[i].str, buf);
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
memset(&buf, 0, sizeof(buf));
|
|
|
|
/* coverage! */
|
|
cmdline_get_help_num((cmdline_parse_token_hdr_t*)&token,
|
|
buf, sizeof(buf));
|
|
|
|
return 0;
|
|
}
|