resolve-system-dependencies: remove entirely
this hasn't been used since 2020, and hasn't been compiled since may.
Change-Id: I865550966630eee6ba18d742ba36f0a90901279d
This commit is contained in:
parent
3b902683e9
commit
6491cde997
|
|
@ -1,190 +0,0 @@
|
|||
#include "derivations.hh"
|
||||
#include "globals.hh"
|
||||
#include "shared.hh"
|
||||
#include "store-api.hh"
|
||||
#include <sys/utsname.h>
|
||||
#include <algorithm>
|
||||
#include <iostream>
|
||||
#include <fstream>
|
||||
#include <sys/mman.h>
|
||||
#include <fcntl.h>
|
||||
#include <mach-o/loader.h>
|
||||
#include <mach-o/swap.h>
|
||||
|
||||
#define DO_SWAP(x, y) ((x) ? OSSwapInt32(y) : (y))
|
||||
|
||||
using namespace nix;
|
||||
|
||||
static auto cacheDir = Path{};
|
||||
|
||||
Path resolveCacheFile(Path lib)
|
||||
{
|
||||
std::replace(lib.begin(), lib.end(), '/', '%');
|
||||
return cacheDir + "/" + lib;
|
||||
}
|
||||
|
||||
std::set<std::string> readCacheFile(const Path & file)
|
||||
{
|
||||
return tokenizeString<std::set<std::string>>(readFile(file), "\n");
|
||||
}
|
||||
|
||||
std::set<std::string> runResolver(const Path & filename)
|
||||
{
|
||||
AutoCloseFD fd{open(filename.c_str(), O_RDONLY)};
|
||||
if (!fd)
|
||||
throw SysError("opening '%s'", filename);
|
||||
|
||||
struct stat st;
|
||||
if (fstat(fd.get(), &st))
|
||||
throw SysError("statting '%s'", filename);
|
||||
|
||||
if (!S_ISREG(st.st_mode)) {
|
||||
printError("file '%s' is not a regular MACH binary", filename);
|
||||
return {};
|
||||
}
|
||||
|
||||
if (st.st_size < sizeof(mach_header_64)) {
|
||||
printError("file '%s' is too short for a MACH binary", filename);
|
||||
return {};
|
||||
}
|
||||
|
||||
char* obj = (char*) mmap(nullptr, st.st_size, PROT_READ, MAP_SHARED, fd.get(), 0);
|
||||
if (!obj)
|
||||
throw SysError("mmapping '%s'", filename);
|
||||
|
||||
ptrdiff_t mach64_offset = 0;
|
||||
|
||||
uint32_t magic = ((mach_header_64*) obj)->magic;
|
||||
if (magic == FAT_CIGAM || magic == FAT_MAGIC) {
|
||||
bool should_swap = magic == FAT_CIGAM;
|
||||
uint32_t narches = DO_SWAP(should_swap, ((fat_header *) obj)->nfat_arch);
|
||||
for (uint32_t i = 0; i < narches; i++) {
|
||||
fat_arch* arch = (fat_arch*) (obj + sizeof(fat_header) + sizeof(fat_arch) * i);
|
||||
if (DO_SWAP(should_swap, arch->cputype) == CPU_TYPE_X86_64) {
|
||||
mach64_offset = (ptrdiff_t) DO_SWAP(should_swap, arch->offset);
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (mach64_offset == 0) {
|
||||
printError("could not find any mach64 blobs in file '%1%', continuing...", filename);
|
||||
return {};
|
||||
}
|
||||
} else if (magic == MH_MAGIC_64 || magic == MH_CIGAM_64) {
|
||||
mach64_offset = 0;
|
||||
} else {
|
||||
printError("Object file has unknown magic number '%1%', skipping it...", magic);
|
||||
return {};
|
||||
}
|
||||
|
||||
mach_header_64 * m_header = (mach_header_64 *) (obj + mach64_offset);
|
||||
|
||||
bool should_swap = magic == MH_CIGAM_64;
|
||||
ptrdiff_t cmd_offset = mach64_offset + sizeof(mach_header_64);
|
||||
|
||||
std::set<std::string> libs;
|
||||
for (uint32_t i = 0; i < DO_SWAP(should_swap, m_header->ncmds); i++) {
|
||||
load_command * cmd = (load_command *) (obj + cmd_offset);
|
||||
switch(DO_SWAP(should_swap, cmd->cmd)) {
|
||||
case LC_LOAD_UPWARD_DYLIB:
|
||||
case LC_LOAD_DYLIB:
|
||||
case LC_REEXPORT_DYLIB:
|
||||
libs.insert(std::string((char *) cmd + ((dylib_command*) cmd)->dylib.name.offset));
|
||||
break;
|
||||
}
|
||||
cmd_offset += DO_SWAP(should_swap, cmd->cmdsize);
|
||||
}
|
||||
|
||||
return libs;
|
||||
}
|
||||
|
||||
bool isSymlink(const Path & path)
|
||||
{
|
||||
return S_ISLNK(lstat(path).st_mode);
|
||||
}
|
||||
|
||||
Path resolveSymlink(const Path & path)
|
||||
{
|
||||
auto target = readLink(path);
|
||||
return target.starts_with("/")
|
||||
? target
|
||||
: concatStrings(dirOf(path), "/", target);
|
||||
}
|
||||
|
||||
std::set<std::string> resolveTree(const Path & path, PathSet & deps)
|
||||
{
|
||||
std::set<std::string> results;
|
||||
if (!deps.insert(path).second) return {};
|
||||
for (auto & lib : runResolver(path)) {
|
||||
results.insert(lib);
|
||||
for (auto & p : resolveTree(lib, deps)) {
|
||||
results.insert(p);
|
||||
}
|
||||
}
|
||||
return results;
|
||||
}
|
||||
|
||||
std::set<std::string> getPath(const Path & path)
|
||||
{
|
||||
if (path.starts_with("/dev")) return {};
|
||||
|
||||
Path cacheFile = resolveCacheFile(path);
|
||||
if (pathExists(cacheFile))
|
||||
return readCacheFile(cacheFile);
|
||||
|
||||
std::set<std::string> deps, paths;
|
||||
paths.insert(path);
|
||||
|
||||
Path nextPath(path);
|
||||
while (isSymlink(nextPath)) {
|
||||
nextPath = resolveSymlink(nextPath);
|
||||
paths.insert(nextPath);
|
||||
}
|
||||
|
||||
for (auto & t : resolveTree(nextPath, deps))
|
||||
paths.insert(t);
|
||||
|
||||
writeFile(cacheFile, concatStringsSep("\n", paths));
|
||||
|
||||
return paths;
|
||||
}
|
||||
|
||||
int main(int argc, char ** argv)
|
||||
{
|
||||
return handleExceptions(argv[0], [&]() {
|
||||
initNix();
|
||||
|
||||
struct utsname _uname;
|
||||
|
||||
uname(&_uname);
|
||||
|
||||
auto cacheParentDir = fmt("%1%/dependency-maps", settings.nixStateDir);
|
||||
|
||||
cacheDir = fmt("%1%/%2%-%3%-%4%", cacheParentDir, _uname.machine, _uname.sysname, _uname.release);
|
||||
|
||||
mkdir(cacheParentDir.c_str(), 0755);
|
||||
mkdir(cacheDir.c_str(), 0755);
|
||||
|
||||
auto store = openStore();
|
||||
|
||||
StringSet impurePaths;
|
||||
|
||||
if (std::string(argv[1]) == "--test")
|
||||
impurePaths.insert(argv[2]);
|
||||
else {
|
||||
auto drv = store->derivationFromPath(store->parseStorePath(argv[1]));
|
||||
impurePaths = tokenizeString<StringSet>(getOr(drv.env, "__impureHostDeps", ""));
|
||||
impurePaths.insert("/usr/lib/libSystem.dylib");
|
||||
}
|
||||
|
||||
std::set<std::string> allPaths;
|
||||
|
||||
for (auto & path : impurePaths)
|
||||
for (auto & p : getPath(path))
|
||||
allPaths.insert(p);
|
||||
|
||||
std::cout << "extra-chroot-dirs" << std::endl;
|
||||
for (auto & path : allPaths)
|
||||
std::cout << path << std::endl;
|
||||
std::cout << std::endl;
|
||||
});
|
||||
}
|
||||
Loading…
Reference in a new issue