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- External apps can opt into automatic cleanup when they exit, including tracked tasks, threads, files, directories, and memory. - App-relative file paths resolve against the app’s working directory, with `.` and `..` normalized. - The shell identifies ELF binaries that cannot be executed instead of treating them as scripts. - Shared icon fonts now offer distinct default and large sizes, with updated icons across the interface. - ESP32 apps can load additional ELF formats when address mirroring is enabled. - Terminal colors render clearly on monochrome displays, and toolbar buttons have cleaner styling. - GPS settings safely refresh their device list when their window is hidden or its widgets are destroyed.
75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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#include "doctest.h"
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#include <app/elf_check.h>
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#include <cstdio>
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#include <cstdlib>
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#include <string>
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#include <unistd.h>
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namespace {
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constexpr ElfRequirements REQUIREMENTS = {
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.elf_class = ELF_CLASS_32,
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.data = ELF_DATA_2LSB,
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.types = ELF_TYPE_MASK(ELF_TYPE_DYN) | ELF_TYPE_MASK(ELF_TYPE_REL),
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.machine = ELF_MACHINE_XTENSA,
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};
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class TempFile {
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std::string path;
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public:
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explicit TempFile(const uint8_t* data, size_t size) {
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char name[] = "/tmp/elf_check_test_XXXXXX";
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const int fd = mkstemp(name);
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REQUIRE_NE(fd, -1);
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REQUIRE_EQ(write(fd, data, size), static_cast<ssize_t>(size));
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close(fd);
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path = name;
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}
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~TempFile() { unlink(path.c_str()); }
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const char* get() const { return path.c_str(); }
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};
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TempFile makeElf(uint8_t elf_class, uint16_t type, uint16_t machine) {
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uint8_t header[20] = { 0x7f, 'E', 'L', 'F', elf_class, ELF_DATA_2LSB };
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header[16] = type & 0xFF;
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header[17] = type >> 8;
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header[18] = machine & 0xFF;
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header[19] = machine >> 8;
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return TempFile(header, sizeof(header));
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}
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} // namespace
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TEST_CASE("elf_check_file accepts every type in the mask") {
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CHECK(elf_check_file(makeElf(ELF_CLASS_32, ELF_TYPE_DYN, ELF_MACHINE_XTENSA).get(), &REQUIREMENTS));
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CHECK(elf_check_file(makeElf(ELF_CLASS_32, ELF_TYPE_REL, ELF_MACHINE_XTENSA).get(), &REQUIREMENTS));
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}
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TEST_CASE("elf_check_file rejects a type outside the mask") {
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CHECK_FALSE(elf_check_file(makeElf(ELF_CLASS_32, 2, ELF_MACHINE_XTENSA).get(), &REQUIREMENTS));
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CHECK_FALSE(elf_check_file(makeElf(ELF_CLASS_32, 0xFE00, ELF_MACHINE_XTENSA).get(), &REQUIREMENTS));
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}
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TEST_CASE("elf_check_file rejects a mismatched class or machine") {
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CHECK_FALSE(elf_check_file(makeElf(ELF_CLASS_64, ELF_TYPE_DYN, ELF_MACHINE_XTENSA).get(), &REQUIREMENTS));
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CHECK_FALSE(elf_check_file(makeElf(ELF_CLASS_32, ELF_TYPE_DYN, ELF_MACHINE_RISCV).get(), &REQUIREMENTS));
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}
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TEST_CASE("elf_has_magic is true for any ELF and false otherwise") {
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CHECK(elf_has_magic(makeElf(ELF_CLASS_32, 2, ELF_MACHINE_RISCV).get()));
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const uint8_t script[] = "echo hello\n";
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CHECK_FALSE(elf_has_magic(TempFile(script, sizeof(script) - 1).get()));
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const uint8_t truncated[] = { 0x7f, 'E', 'L' };
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CHECK_FALSE(elf_has_magic(TempFile(truncated, sizeof(truncated)).get()));
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CHECK_FALSE(elf_has_magic("/nonexistent/elf_check_test"));
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}
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