| /* 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); |