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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <stdlib.h>
#include <string.h>
#include "macro.h"
#include "string-util.h"
#include "tests.h"
#include "udev-util.h"
static void test_udev_rule_parse_value_one(const char *in, const char *expected_value, int expected_retval) {
_cleanup_free_ char *str = NULL;
char *value = UINT_TO_PTR(0x12345678U);
char *endpos = UINT_TO_PTR(0x87654321U);
log_info("/* %s (%s, %s, %d) */", __func__, in, strnull(expected_value), expected_retval);
assert_se(str = strdup(in));
assert_se(udev_rule_parse_value(str, &value, &endpos) == expected_retval);
if (expected_retval < 0) {
/* not modified on failure */
assert_se(value == UINT_TO_PTR(0x12345678U));
assert_se(endpos == UINT_TO_PTR(0x87654321U));
} else {
assert_se(streq_ptr(value, expected_value));
assert_se(endpos == str + strlen(in));
/*
* The return value must be terminated by two subsequent NULs
* so it could be safely interpreted as nulstr.
*/
assert_se(value[strlen(value) + 1] == '\0');
}
}
TEST(udev_rule_parse_value) {
/* input: "valid operand"
* parsed: valid operand
* use the following command to help generate textual C strings:
* python3 -c 'import json; print(json.dumps(input()))' */
test_udev_rule_parse_value_one("\"valid operand\"", "valid operand", 0);
/* input: "va'l\'id\"op\"erand"
* parsed: va'l\'id"op"erand */
test_udev_rule_parse_value_one("\"va'l\\'id\\\"op\\\"erand\"", "va'l\\'id\"op\"erand", 0);
test_udev_rule_parse_value_one("no quotes", NULL, -EINVAL);
test_udev_rule_parse_value_one("\"\\\\a\\b\\x\\y\"", "\\\\a\\b\\x\\y", 0);
test_udev_rule_parse_value_one("\"reject\0nul\"", NULL, -EINVAL);
/* input: e"" */
test_udev_rule_parse_value_one("e\"\"", "", 0);
/* input: e"1234" */
test_udev_rule_parse_value_one("e\"1234\"", "1234", 0);
/* input: e"\"" */
test_udev_rule_parse_value_one("e\"\\\"\"", "\"", 0);
/* input: e"\ */
test_udev_rule_parse_value_one("e\"\\", NULL, -EINVAL);
/* input: e"\" */
test_udev_rule_parse_value_one("e\"\\\"", NULL, -EINVAL);
/* input: e"\\" */
test_udev_rule_parse_value_one("e\"\\\\\"", "\\", 0);
/* input: e"\\\" */
test_udev_rule_parse_value_one("e\"\\\\\\\"", NULL, -EINVAL);
/* input: e"\\\"" */
test_udev_rule_parse_value_one("e\"\\\\\\\"\"", "\\\"", 0);
/* input: e"\\\\" */
test_udev_rule_parse_value_one("e\"\\\\\\\\\"", "\\\\", 0);
/* input: e"operand with newline\n" */
test_udev_rule_parse_value_one("e\"operand with newline\\n\"", "operand with newline\n", 0);
/* input: e"single\rcharacter\t\aescape\bsequence" */
test_udev_rule_parse_value_one(
"e\"single\\rcharacter\\t\\aescape\\bsequence\"", "single\rcharacter\t\aescape\bsequence", 0);
/* input: e"reject\invalid escape sequence" */
test_udev_rule_parse_value_one("e\"reject\\invalid escape sequence", NULL, -EINVAL);
/* input: e"\ */
test_udev_rule_parse_value_one("e\"\\", NULL, -EINVAL);
/* input: "s\u1d1c\u1d04\u029c \u1d1c\u0274\u026a\u1d04\u1d0f\u1d05\u1d07 \U0001d568\U0001d560\U0001d568" */
test_udev_rule_parse_value_one(
"e\"s\\u1d1c\\u1d04\\u029c \\u1d1c\\u0274\\u026a\\u1d04\\u1d0f\\u1d05\\u1d07 \\U0001d568\\U0001d560\\U0001d568\"",
"s\xe1\xb4\x9c\xe1\xb4\x84\xca\x9c \xe1\xb4\x9c\xc9\xb4\xc9\xaa\xe1\xb4\x84\xe1\xb4\x8f\xe1\xb4\x85\xe1\xb4\x87 \xf0\x9d\x95\xa8\xf0\x9d\x95\xa0\xf0\x9d\x95\xa8",
0);
}
static void test_udev_replace_whitespace_one_len(const char *str, size_t len, const char *expected) {
_cleanup_free_ char *result = NULL;
int r;
result = new(char, len + 1);
assert_se(result);
r = udev_replace_whitespace(str, result, len);
assert_se((size_t) r == strlen(expected));
assert_se(streq(result, expected));
}
static void test_udev_replace_whitespace_one(const char *str, const char *expected) {
test_udev_replace_whitespace_one_len(str, strlen(str), expected);
}
TEST(udev_replace_whitespace) {
test_udev_replace_whitespace_one("hogehoge", "hogehoge");
test_udev_replace_whitespace_one("hoge hoge", "hoge_hoge");
test_udev_replace_whitespace_one(" hoge hoge ", "hoge_hoge");
test_udev_replace_whitespace_one(" ", "");
test_udev_replace_whitespace_one("hoge ", "hoge");
test_udev_replace_whitespace_one_len("hoge hoge ", 9, "hoge_hoge");
test_udev_replace_whitespace_one_len("hoge hoge ", 8, "hoge_hog");
test_udev_replace_whitespace_one_len("hoge hoge ", 7, "hoge_ho");
test_udev_replace_whitespace_one_len("hoge hoge ", 6, "hoge_h");
test_udev_replace_whitespace_one_len("hoge hoge ", 5, "hoge");
test_udev_replace_whitespace_one_len("hoge hoge ", 4, "hoge");
test_udev_replace_whitespace_one_len("hoge hoge ", 3, "hog");
test_udev_replace_whitespace_one_len("hoge hoge ", 2, "ho");
test_udev_replace_whitespace_one_len("hoge hoge ", 1, "h");
test_udev_replace_whitespace_one_len("hoge hoge ", 0, "");
test_udev_replace_whitespace_one_len(" hoge hoge ", 16, "hoge_hoge");
test_udev_replace_whitespace_one_len(" hoge hoge ", 15, "hoge_hoge");
test_udev_replace_whitespace_one_len(" hoge hoge ", 14, "hoge_hog");
test_udev_replace_whitespace_one_len(" hoge hoge ", 13, "hoge_ho");
test_udev_replace_whitespace_one_len(" hoge hoge ", 12, "hoge_h");
test_udev_replace_whitespace_one_len(" hoge hoge ", 11, "hoge");
test_udev_replace_whitespace_one_len(" hoge hoge ", 10, "hoge");
test_udev_replace_whitespace_one_len(" hoge hoge ", 9, "hoge");
test_udev_replace_whitespace_one_len(" hoge hoge ", 8, "hoge");
test_udev_replace_whitespace_one_len(" hoge hoge ", 7, "hog");
test_udev_replace_whitespace_one_len(" hoge hoge ", 6, "ho");
test_udev_replace_whitespace_one_len(" hoge hoge ", 5, "h");
test_udev_replace_whitespace_one_len(" hoge hoge ", 4, "");
test_udev_replace_whitespace_one_len(" hoge hoge ", 3, "");
test_udev_replace_whitespace_one_len(" hoge hoge ", 2, "");
test_udev_replace_whitespace_one_len(" hoge hoge ", 1, "");
test_udev_replace_whitespace_one_len(" hoge hoge ", 0, "");
}
static void test_udev_resolve_subsys_kernel_one(const char *str, bool read_value, int retval, const char *expected) {
char result[PATH_MAX] = "";
int r;
r = udev_resolve_subsys_kernel(str, result, sizeof(result), read_value);
log_info("\"%s\" → expect: \"%s\", %d, actual: \"%s\", %d", str, strnull(expected), retval, result, r);
assert_se(r == retval);
if (r >= 0)
assert_se(streq(result, expected));
}
TEST(udev_resolve_subsys_kernel) {
test_udev_resolve_subsys_kernel_one("hoge", false, -EINVAL, NULL);
test_udev_resolve_subsys_kernel_one("[hoge", false, -EINVAL, NULL);
test_udev_resolve_subsys_kernel_one("[hoge/foo", false, -EINVAL, NULL);
test_udev_resolve_subsys_kernel_one("[hoge/]", false, -EINVAL, NULL);
test_udev_resolve_subsys_kernel_one("[net/lo]", false, 0, "/sys/devices/virtual/net/lo");
test_udev_resolve_subsys_kernel_one("[net/lo]/", false, 0, "/sys/devices/virtual/net/lo");
test_udev_resolve_subsys_kernel_one("[net/lo]hoge", false, 0, "/sys/devices/virtual/net/lo/hoge");
test_udev_resolve_subsys_kernel_one("[net/lo]/hoge", false, 0, "/sys/devices/virtual/net/lo/hoge");
test_udev_resolve_subsys_kernel_one("[net/lo]", true, -EINVAL, NULL);
test_udev_resolve_subsys_kernel_one("[net/lo]/", true, -EINVAL, NULL);
test_udev_resolve_subsys_kernel_one("[net/lo]hoge", true, 0, "");
test_udev_resolve_subsys_kernel_one("[net/lo]/hoge", true, 0, "");
test_udev_resolve_subsys_kernel_one("[net/lo]address", true, 0, "00:00:00:00:00:00");
test_udev_resolve_subsys_kernel_one("[net/lo]/address", true, 0, "00:00:00:00:00:00");
}
TEST(devpath_conflict) {
assert_se(!devpath_conflict(NULL, NULL));
assert_se(!devpath_conflict(NULL, "/devices/pci0000:00/0000:00:1c.4"));
assert_se(!devpath_conflict("/devices/pci0000:00/0000:00:1c.4", NULL));
assert_se(!devpath_conflict("/devices/pci0000:00/0000:00:1c.4", "/devices/pci0000:00/0000:00:00.0"));
assert_se(!devpath_conflict("/devices/virtual/net/veth99", "/devices/virtual/net/veth999"));
assert_se(devpath_conflict("/devices/pci0000:00/0000:00:1c.4", "/devices/pci0000:00/0000:00:1c.4"));
assert_se(devpath_conflict("/devices/pci0000:00/0000:00:1c.4", "/devices/pci0000:00/0000:00:1c.4/0000:3c:00.0"));
assert_se(devpath_conflict("/devices/pci0000:00/0000:00:1c.4/0000:3c:00.0/nvme/nvme0/nvme0n1",
"/devices/pci0000:00/0000:00:1c.4/0000:3c:00.0/nvme/nvme0/nvme0n1/nvme0n1p1"));
}
DEFINE_TEST_MAIN(LOG_INFO);
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