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Binary: support macOS

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This commit is contained in:
李通洲
2024-08-21 15:31:47 +08:00
parent 1c8375908c
commit 22e25d0c78
4 changed files with 192 additions and 10 deletions
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CMakeLists.txt
+6 -6
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@@ -482,7 +482,7 @@ if(LINUX)
src/detection/wmtheme/wmtheme_linux.c
src/detection/camera/camera_linux.c
src/util/platform/FFPlatform_unix.c
src/util/binary.c
src/util/binary_linux.c
)
elseif(ANDROID)
list(APPEND LIBFASTFETCH_SRC
@@ -544,7 +544,7 @@ elseif(ANDROID)
src/detection/wmtheme/wmtheme_nosupport.c
src/detection/camera/camera_android.c
src/util/platform/FFPlatform_unix.c
src/util/binary.c
src/util/binary_linux.c
)
elseif(FreeBSD)
list(APPEND LIBFASTFETCH_SRC
@@ -623,7 +623,7 @@ elseif(FreeBSD)
src/detection/wmtheme/wmtheme_linux.c
src/detection/camera/camera_linux.c
src/util/platform/FFPlatform_unix.c
src/util/binary.c
src/util/binary_linux.c
)
elseif(APPLE)
list(APPEND LIBFASTFETCH_SRC
@@ -689,7 +689,7 @@ elseif(APPLE)
src/util/apple/cf_helpers.c
src/util/apple/osascript.m
src/util/platform/FFPlatform_unix.c
src/util/binary.c
src/util/binary_apple.c
)
elseif(WIN32)
list(APPEND LIBFASTFETCH_SRC
@@ -756,7 +756,7 @@ elseif(WIN32)
src/util/windows/unicode.c
src/util/windows/wmi.cpp
src/util/platform/FFPlatform_windows.c
src/util/binary.c
src/util/binary_linux.c
)
elseif(SunOS)
list(APPEND LIBFASTFETCH_SRC
@@ -833,7 +833,7 @@ elseif(SunOS)
src/detection/wmtheme/wmtheme_linux.c
src/detection/camera/camera_nosupport.c
src/util/platform/FFPlatform_unix.c
src/util/binary.c
src/util/binary_linux.c
)
endif()
src/detection/editor/editor.c
-4
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@@ -13,7 +13,6 @@ static inline char* realpath(const char* restrict file_name, char* restrict reso
}
#endif
#if __linux__ || __FreeBSD__
static bool extractNvimVersion(const char* str, uint32_t len, void* userdata)
{
if (len < strlen("NVIM v0.0.0")) return true;
@@ -38,7 +37,6 @@ static bool extractNanoVersion(const char* str, uint32_t len, void* userdata)
ffStrbufSetS((FFstrbuf*) userdata, str + strlen("GNU nano "));
return false;
}
#endif
const char* ffDetectEditor(FFEditorResult* result)
{
@@ -90,7 +88,6 @@ const char* ffDetectEditor(FFEditorResult* result)
#endif
}
#if __linux__ || __FreeBSD__
if (ffStrbufEqualS(&result->exe, "nvim"))
ffBinaryExtractStrings(buf, extractNvimVersion, &result->version);
else if (ffStrbufEqualS(&result->exe, "vim"))
@@ -99,7 +96,6 @@ const char* ffDetectEditor(FFEditorResult* result)
ffBinaryExtractStrings(buf, extractNanoVersion, &result->version);
if (result->version.length > 0) return NULL;
#endif
const char* param = NULL;
if (
src/util/binary_apple.c
+186
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@@ -0,0 +1,186 @@
#include "binary.h"
#include "common/io/io.h"
#include "util/stringUtils.h"
#include "util/mallocHelper.h"
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <mach-o/loader.h>
#include <mach-o/swap.h>
#include <mach-o/fat.h>
#pragma GCC diagnostic ignored "-Wdeprecated-declarations" // swap_fat_arch
// Ref: https://github.com/AlexDenisov/segment_dumper/blob/master/main.c
static inline bool readData(FILE *objFile, void *buf, size_t size, off_t offset)
{
fseek(objFile, offset, SEEK_SET);
return fread(buf, 1, size, objFile) == size;
}
static bool handleMachSection(FILE *objFile, const char *name, off_t offset, size_t size, bool (*cb)(const char *str, uint32_t len, void *userdata), void *userdata)
{
if (!ffStrEquals(name, "__cstring")) return true;
FF_AUTO_FREE char* data = (char*) malloc(size);
if (!readData(objFile, data, size, offset))
return true;
for (size_t off = 0; off < size; ++off)
{
const char* p = (const char*) data + off;
if (*p == '\0') continue;
uint32_t len = (uint32_t) strlen(p);
if (*p >= ' ' && *p <= '~') // Ignore control characters
{
if (!cb(p, len, userdata)) return false;
}
off += len;
}
return true;
}
static const char* dumpMachHeader(FILE *objFile, off_t offset, bool is_64, bool (*cb)(const char *str, uint32_t len, void *userdata), void *userdata)
{
uint32_t ncmds;
off_t loadCommandsOffset = offset;
if (is_64)
{
struct mach_header_64 header;
if (!readData(objFile, &header, sizeof(header), offset))
return "read mach header failed";
ncmds = header.ncmds;
loadCommandsOffset += sizeof(header);
}
else
{
struct mach_header header;
if (!readData(objFile, &header, sizeof(header), offset))
return "read mach header failed";
ncmds = header.ncmds;
loadCommandsOffset += sizeof(header);
}
off_t commandOffset = loadCommandsOffset;
struct load_command cmd = {};
for (uint32_t i = 0U; i < ncmds; i++, commandOffset += cmd.cmdsize)
{
if (!readData(objFile, &cmd, sizeof(cmd), commandOffset))
continue;
if (cmd.cmd == LC_SEGMENT_64)
{
struct segment_command_64 segment;
if (!readData(objFile, &segment, sizeof(segment), commandOffset))
continue;
if (!ffStrEquals(segment.segname, "__TEXT")) continue;
for (uint32_t j = 0U; j < segment.nsects; j++)
{
struct section_64 section;
if (!readData(objFile, &section, sizeof(section), (off_t) ((size_t) commandOffset + sizeof(segment) + j * sizeof(section))))
continue;
if (!handleMachSection(objFile, section.sectname, section.offset, section.size, cb, userdata))
return NULL;
}
}
else if (cmd.cmd == LC_SEGMENT)
{
struct segment_command segment;
if (!readData(objFile, &segment, sizeof(segment), commandOffset))
continue;
if (!ffStrEquals(segment.segname, "__TEXT")) continue;
for (uint32_t j = 0; j < segment.nsects; j++)
{
struct section section;
if (!readData(objFile, &section, sizeof(section), (off_t) ((size_t) commandOffset + sizeof(segment) + j * sizeof(section))))
continue;
if (!handleMachSection(objFile, section.sectname, section.offset, section.size, cb, userdata))
return NULL;
}
}
return NULL;
}
return NULL;
}
static const char* dumpFatHeader(FILE *objFile, bool (*cb)(const char *str, uint32_t len, void *userdata), void *userdata)
{
struct fat_header header;
if (!readData(objFile, &header, sizeof(header), 0))
return "read fat header failed";
bool needSwap = header.magic == FAT_CIGAM || header.magic == FAT_CIGAM_64;
if (needSwap) swap_fat_header(&header, NX_UnknownByteOrder);
for (uint32_t i = 0U; i < header.nfat_arch; i++)
{
off_t machHeaderOffset = 0;
if (header.magic == FAT_MAGIC)
{
struct fat_arch arch;
if (!readData(objFile, &arch, sizeof(arch), (off_t) (sizeof(header) + i * sizeof(arch))))
continue;
if (needSwap)
swap_fat_arch(&arch, 1, NX_UnknownByteOrder);
machHeaderOffset = (off_t)arch.offset;
}
else
{
struct fat_arch_64 arch;
if (!readData(objFile, &arch, sizeof(arch), (off_t) (sizeof(header) + i * sizeof(arch))))
continue;
if (needSwap)
swap_fat_arch_64(&arch, 1, NX_UnknownByteOrder);
machHeaderOffset = (off_t)arch.offset;
}
uint32_t magic;
if (!readData(objFile, &magic, sizeof(magic), machHeaderOffset))
continue;
if (magic == MH_MAGIC_64 || magic == MH_MAGIC)
{
dumpMachHeader(objFile, machHeaderOffset, magic == MH_MAGIC_64, cb, userdata);
return NULL;
}
}
return "Unsupported fat header";
}
const char *ffBinaryExtractStrings(const char *machoFile, bool (*cb)(const char *str, uint32_t len, void *userdata), void *userdata)
{
FF_AUTO_CLOSE_FILE FILE *objFile = fopen(machoFile, "rb");
if (objFile == NULL)
return "File could not be opened";
uint32_t magic;
if (!readData(objFile, &magic, sizeof(magic), 0))
return "read magic number failed";
// MH_CIGAM and MH_CIGAM_64 seem to be no longer used, as `swap_mach_header` is marked as deprecated.
// However FAT_CIGAM and FAT_CIGAM_64 are still used (/usr/bin/vim).
if (magic != MH_MAGIC && magic != MH_MAGIC_64 && magic != FAT_CIGAM && magic != FAT_CIGAM_64 && magic != FAT_MAGIC && magic != FAT_MAGIC_64)
return "Unsupported format or big endian mach-o file";
if (magic == FAT_MAGIC || magic == FAT_MAGIC_64 || magic == FAT_CIGAM || magic == FAT_CIGAM_64)
return dumpFatHeader(objFile, cb, userdata);
else
return dumpMachHeader(objFile, 0, magic == MH_MAGIC_64, cb, userdata);
}
src/util/binary.c → src/util/binary_linux.c
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