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use faster submodule urls (github etc) (#143)

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Signed-off-by: swurl <swurl@swurl.xyz>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/143
Co-authored-by: swurl <swurl@swurl.xyz>
Co-committed-by: swurl <swurl@swurl.xyz>
This commit is contained in:
swurl 2025-05-31 19:09:48 +00:00 • committed by crueter
parent eed703bc81
commit 2a8ff1a59c
8 changed files with 426 additions and 13 deletions
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67
externals/libadrenotools/lib/linkernsbypass/elf_soname_patcher.cpp vendored Normal file
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// SPDX-License-Identifier: BSD-2-Clause
// Copyright © 2021 Billy Laws
#include <initializer_list>
#include <cstdint>
#include <errno.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <unistd.h>
#include <link.h>
#include <elf.h>
#include "elf_soname_patcher.h"
bool elf_soname_patch(const char *libPath, int targetFd, const char *sonamePatch) {
struct stat libStat{};
if (stat(libPath, &libStat))
return false;
if (ftruncate(targetFd, libStat.st_size) == -1)
return false;
// Map the memory so we can read our elf into it
auto mappedLib{reinterpret_cast<uint8_t *>(mmap(nullptr, libStat.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, targetFd, 0))};
if (!mappedLib)
return false;
int libFd{open(libPath, O_RDONLY)};
if (libFd == false)
return false;
// Read lib elf into target file
if (read(libFd, mappedLib, libStat.st_size) != libStat.st_size)
return false;
// No longer needed
close(libFd);
auto eHdr{reinterpret_cast<ElfW(Ehdr) *>(mappedLib)};
auto sHdrEntries{reinterpret_cast<ElfW(Shdr) *>(mappedLib + eHdr->e_shoff)};
// Iterate over section headers to find the .dynamic section
for (ElfW(Half) i{}; i < eHdr->e_shnum; i++) {
auto &sHdr{sHdrEntries[i]};
if (sHdr.sh_type == SHT_DYNAMIC) {
auto strTab{reinterpret_cast<char *>(mappedLib + sHdrEntries[sHdr.sh_link].sh_offset)};
auto dynHdrEntries{reinterpret_cast<ElfW(Dyn) *>(mappedLib + sHdr.sh_offset)};
// Iterate over .dynamic entries to find DT_SONAME
for (ElfW(Xword) k{}; k < (sHdr.sh_size / sHdr.sh_entsize); k++) {
auto &dynHdrEntry{dynHdrEntries[k]};
if (dynHdrEntry.d_tag == DT_SONAME) {
char *soname{strTab + dynHdrEntry.d_un.d_val};
// Partially replace the old soname with the soname patch
size_t charIdx{};
for (; soname[charIdx] != 0 && sonamePatch[charIdx] != 0; charIdx++)
soname[charIdx] = sonamePatch[charIdx];
return true;
}
}
}
}
return false;
}