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-rw-r--r--src/client/cl_updates.cpp476
1 files changed, 476 insertions, 0 deletions
diff --git a/src/client/cl_updates.cpp b/src/client/cl_updates.cpp
new file mode 100644
index 0000000..0e6a237
--- /dev/null
+++ b/src/client/cl_updates.cpp
@@ -0,0 +1,476 @@
+#include "cl_updates.h"
+
+#include <libgen.h>
+#include <unistd.h>
+
+#include "nettle/rsa.h"
+#include "nettle/sha2.h"
+#include "rapidjson.h"
+#include "restclient/connection.h"
+#include "restclient/restclient.h"
+#include "semantic_version.h"
+
+#include <iostream>
+#include <fstream>
+#include <vector>
+#include <array>
+
+#include "qcommon/cvar.h"
+#include "qcommon/q_platform.h"
+#include "qcommon/q_shared.h"
+#include "qcommon/qcommon.h"
+#include "qcommon/unzip.h"
+#include "sys/sys_shared.h"
+
+#include "cl_rest.h"
+
+using namespace std;
+
+std::vector<std::string> release_package;
+static std::string granger_exe;
+static std::string granger_main_lua;
+static int nextCheckTime = 0;
+
+static const uint8_t release_key_pub[] = {
+ 0x28, 0x31, 0x30, 0x3a, 0x70, 0x75, 0x62, 0x6c, 0x69, 0x63, 0x2d, 0x6b,
+ 0x65, 0x79, 0x28, 0x39, 0x3a, 0x72, 0x73, 0x61, 0x2d, 0x70, 0x6b, 0x63,
+ 0x73, 0x31, 0x28, 0x31, 0x3a, 0x6e, 0x35, 0x31, 0x33, 0x3a, 0x00, 0xaa,
+ 0x4a, 0xe1, 0xdc, 0x08, 0xed, 0x90, 0x92, 0x66, 0x4a, 0xc2, 0x00, 0x43,
+ 0x3e, 0x89, 0x40, 0x4d, 0x11, 0xaa, 0x98, 0x2d, 0x55, 0x08, 0xec, 0x43,
+ 0x9f, 0x73, 0xfe, 0xc9, 0x67, 0xcb, 0xb0, 0x4a, 0x52, 0x89, 0x1d, 0x1a,
+ 0xc1, 0x86, 0x29, 0x26, 0x32, 0xb2, 0x34, 0xb6, 0xa5, 0x42, 0x16, 0x08,
+ 0x60, 0x8d, 0xf1, 0xe4, 0x45, 0xd4, 0x90, 0x2b, 0xfb, 0x98, 0xb2, 0x2e,
+ 0xa7, 0xa9, 0x79, 0xff, 0x5e, 0xaa, 0xb5, 0xd6, 0xf9, 0xf9, 0x2e, 0x67,
+ 0x5c, 0xb6, 0x6c, 0x36, 0x70, 0xf3, 0xea, 0x3f, 0xd8, 0xc8, 0xd0, 0xda,
+ 0xd8, 0xfb, 0x1b, 0x55, 0xe9, 0x69, 0x9d, 0x4a, 0xea, 0xf2, 0xb1, 0xdd,
+ 0x6b, 0xea, 0xb4, 0x99, 0xd7, 0x5e, 0xca, 0x5f, 0x34, 0xcf, 0xee, 0xbb,
+ 0xc6, 0x07, 0xa8, 0x3b, 0x59, 0xc3, 0xc1, 0x53, 0x15, 0x2b, 0xe4, 0x2f,
+ 0x17, 0x2d, 0x0c, 0x0f, 0x4e, 0xee, 0x2e, 0xef, 0x97, 0x9c, 0xff, 0x58,
+ 0xec, 0x6a, 0xf1, 0x12, 0x21, 0x5a, 0xc5, 0xbb, 0x6a, 0xef, 0xb0, 0xc8,
+ 0x4b, 0x7d, 0x33, 0xca, 0x53, 0x03, 0x31, 0x4a, 0xbd, 0x82, 0x01, 0x56,
+ 0x8f, 0x4e, 0x1d, 0x21, 0x7d, 0x2e, 0x8d, 0xaa, 0x0d, 0xcd, 0xe6, 0x19,
+ 0x09, 0x79, 0x76, 0x11, 0x16, 0xb5, 0xd2, 0xc1, 0x03, 0xdb, 0xaa, 0x11,
+ 0xd5, 0x89, 0x70, 0xc8, 0x71, 0xbf, 0x1a, 0xea, 0x9d, 0xd6, 0xaa, 0x77,
+ 0x97, 0xa4, 0xcc, 0x1d, 0xd6, 0x1c, 0x1a, 0x14, 0x6f, 0x35, 0x34, 0x6a,
+ 0x10, 0x32, 0x13, 0x33, 0x41, 0x27, 0xad, 0x1b, 0x59, 0x41, 0xff, 0xb0,
+ 0x1b, 0x64, 0x14, 0xea, 0x29, 0x44, 0x2b, 0x62, 0xdc, 0x63, 0xbc, 0xc7,
+ 0xf8, 0xac, 0xf7, 0x5c, 0x9d, 0x3c, 0xbd, 0x17, 0x84, 0xd9, 0x56, 0x09,
+ 0x44, 0x1b, 0xdd, 0x72, 0x16, 0xf6, 0x67, 0xc4, 0x49, 0xd3, 0x56, 0x74,
+ 0x42, 0x2d, 0x08, 0xe2, 0x0b, 0x0c, 0x40, 0x97, 0x62, 0x97, 0xb3, 0xd6,
+ 0x0c, 0x69, 0x04, 0x6a, 0xd7, 0x7b, 0xf0, 0xe1, 0x37, 0x0b, 0xe0, 0xee,
+ 0x6b, 0x2d, 0x79, 0xa0, 0x72, 0xa5, 0x75, 0x97, 0xb1, 0x6b, 0x01, 0xa2,
+ 0xb8, 0xe3, 0xc7, 0x3c, 0x10, 0x50, 0x59, 0xe4, 0xda, 0x9e, 0x8d, 0xe6,
+ 0x1b, 0xef, 0xa6, 0xae, 0xc4, 0xd7, 0xd8, 0x9b, 0x57, 0x4c, 0xa3, 0xd7,
+ 0x9f, 0x37, 0x17, 0x72, 0x7f, 0x60, 0xd6, 0x4c, 0x42, 0x14, 0x54, 0x66,
+ 0x88, 0xc6, 0xa2, 0x1e, 0xdf, 0x55, 0xfc, 0xef, 0xb9, 0x05, 0x63, 0x8a,
+ 0xc4, 0x5b, 0xe7, 0x45, 0x28, 0x0e, 0x55, 0x8e, 0xcc, 0x74, 0x25, 0xf2,
+ 0xea, 0x2a, 0x66, 0x51, 0xf2, 0x8f, 0x72, 0x1d, 0x97, 0x5a, 0xfb, 0x1c,
+ 0x95, 0x01, 0x93, 0x6b, 0x2b, 0xa5, 0x87, 0x5d, 0xd8, 0xea, 0xb2, 0x24,
+ 0x78, 0xb1, 0x58, 0x63, 0x47, 0x86, 0xed, 0xd9, 0xbc, 0xe9, 0xd2, 0xea,
+ 0xa8, 0x90, 0x5b, 0xe8, 0x82, 0x89, 0xa2, 0xe2, 0x52, 0x1f, 0x78, 0x00,
+ 0x93, 0x64, 0x54, 0xdb, 0x9b, 0x93, 0xc3, 0xee, 0xa2, 0x37, 0xab, 0x2e,
+ 0x7e, 0x8f, 0xec, 0xb1, 0x0b, 0x69, 0xad, 0x21, 0xda, 0xa9, 0xaf, 0xd2,
+ 0x22, 0x52, 0x2f, 0x1a, 0x6b, 0xb9, 0x21, 0x5e, 0xe9, 0x1a, 0xe1, 0x4c,
+ 0x33, 0x26, 0x46, 0xa1, 0xde, 0x52, 0xf3, 0x87, 0xf4, 0x8c, 0x99, 0xe4,
+ 0x5d, 0xe7, 0x5b, 0x76, 0x6c, 0xf5, 0xe1, 0xae, 0x5b, 0xaa, 0xbb, 0x3a,
+ 0xf4, 0x90, 0xa7, 0x5c, 0x5c, 0x72, 0xab, 0xb8, 0x71, 0xdc, 0x47, 0xb1,
+ 0x75, 0x0d, 0xc8, 0xcc, 0xfd, 0xce, 0x62, 0xbe, 0xe5, 0x9f, 0x85, 0x00,
+ 0x53, 0x35, 0x91, 0x44, 0x29, 0x5f, 0x64, 0x8d, 0x7c, 0x37, 0x32, 0x28,
+ 0x45, 0x9d, 0xa3, 0x49, 0xbb, 0xe3, 0xd3, 0x1e, 0x0a, 0xae, 0x53, 0xbd,
+ 0x66, 0x86, 0x8c, 0x4d, 0xa6, 0xd3, 0x85, 0x29, 0x28, 0x31, 0x3a, 0x65,
+ 0x33, 0x3a, 0x01, 0x00, 0x01, 0x29, 0x29, 0x29
+};
+static const size_t release_key_pub_len = 560;
+
+struct UpdateManager {
+
+ static void refresh();
+ static void download();
+ static void validate_signature(std::string path, std::string signature_path);
+ static void extract(std::string extract_path, std::string path);
+ static void execute();
+
+private:
+ static constexpr auto url = "https://api.github.com/repos/GrangerHub/tremulous/releases";
+ static constexpr auto package_name = RELEASE_PACKAGE_NAME;
+ static constexpr auto signature_name = RELEASE_SIGNATURE_NAME;
+ static constexpr auto granger_binary_name = GRANGER_EXE;
+};
+
+#define AU_ACT_NIL 0
+#define AU_ACT_GET 1
+#define AU_ACT_RUN 2
+
+void UpdateManager::refresh()
+{
+ auto currentTime = Sys_Milliseconds();
+
+ if ( nextCheckTime > currentTime )
+ return;
+
+ nextCheckTime = currentTime + 10000;
+
+ Cvar_SetValue("ui_autoupdate_action", 0);
+ Cvar_Set("cl_latestDownload", "");
+ Cvar_Set("cl_latestRelease", "");
+ Cvar_Set("cl_latestSignature", "");
+
+ RestClient::Response r = RestClient::get(url);
+ if ( r.code != 200 )
+ {
+ std::string msg { va("Server did not return OK status code: %d", r.code) };
+
+ Cvar_Set("cl_latestRelease",
+ S_COLOR_RED "ERROR:\n"
+ S_COLOR_WHITE "Server did not return OK status code");
+
+ return;
+ }
+
+ rapidjson::Document d;
+ d.Parse( r.body.c_str() );
+
+ rapidjson::Value &release = d[0];
+ std::string txt;
+
+ semver::v2::Version current { PRODUCT_VERSION + 1 };
+ semver::v2::Version latest { release["tag_name"].GetString() + 1 };
+
+ if ( current == latest )
+ {
+ txt += "You are up to date\n\n";
+ }
+ else if ( current < latest )
+ {
+ txt += "A new release is available!\n\n";
+ }
+ else if ( current > latest )
+ {
+ txt += "Wow! You are ahead of the release.\n\n";
+ }
+
+ txt += release["tag_name"].GetString();
+ if (release["prerelease"].IsTrue())
+ txt += S_COLOR_YELLOW " (Prerelease)";
+
+ txt += '\n';
+ txt += S_COLOR_CYAN "Released:" S_COLOR_WHITE;
+ txt += release["published_at"].GetString();
+
+ txt += '\n';
+ txt += S_COLOR_RED "Release Notes:\n" S_COLOR_WHITE;
+
+ if (!release["body"].IsNull())
+ {
+ txt += '\n';
+ txt += release["body"].GetString();
+ }
+
+ rapidjson::Value &assets = release["assets"];
+ for ( rapidjson::SizeType i = 0; i < assets.Size(); ++i )
+ {
+ auto &a = assets[i];
+ std::string name = a["name"].GetString();
+
+ if ( name == package_name )
+ {
+ std::string dl = a["browser_download_url"].GetString();
+ Cvar_Set("cl_latestDownload", dl.c_str());
+ Cvar_Set("cl_latestPackage", package_name);
+ Cvar_Set("cl_latestRelease", txt.c_str());
+ Cvar_SetValue("ui_autoupdate_action", AU_ACT_GET);
+ }
+ else if ( name == signature_name )
+ {
+ std::string dl = a["browser_download_url"].GetString();
+ Cvar_Set("cl_latestSignature", dl.c_str());
+ }
+ }
+}
+
+void UpdateManager::extract(std::string extract_path, std::string path)
+{
+ // Extract the release package
+ auto z = unzOpen(path.c_str());
+ assert( z != nullptr );
+
+ unz_global_info zi;
+ unzGetGlobalInfo(z, &zi);
+
+ // Iterate through all files in the package
+ unzGoToFirstFile(z);
+ for (int i = 0; i < zi.number_entry; ++i)
+ {
+ unz_file_info fi;
+ char filename[256] = ""; // 256 == MAX_ZPATH
+ int err;
+
+ err = unzGetCurrentFileInfo(z, &fi, filename, sizeof(filename),
+ nullptr, 0, nullptr, 0);
+ assert( err == UNZ_OK ); // != OK means corrupt archive
+
+ std::string fn = { filename };
+
+ // FIXME stop doing dumb string stuff
+ std::string fullpath = extract_path;
+ fullpath += PATH_SEP;
+ fullpath += fn;
+ release_package.emplace_back(fn);
+
+ // Bad assumption of a directory?
+ if ( !fi.compressed_size && !fi.uncompressed_size )
+ {
+ Com_DPrintf(S_COLOR_CYAN"ARCHIVED DIR: "
+ S_COLOR_WHITE"%s\n",
+ fn.c_str());
+
+ MakeDir(extract_path, fn);
+
+ unzGoToNextFile(z);
+ continue;
+ }
+
+ // Must be a file
+ Com_DPrintf(S_COLOR_CYAN"ARCHIVED FILE: "
+ S_COLOR_WHITE"%s (%lu/%lu)\n",
+ filename,
+ fi.compressed_size,
+ fi.uncompressed_size);
+
+ if ( fn.rfind(granger_binary_name) != std::string::npos )
+ granger_exe = fn;
+
+ else if ( fn.rfind("main.lua") != std::string::npos )
+ granger_main_lua = fn;
+
+ err = unzOpenCurrentFile(z);
+ assert( err == UNZ_OK );
+
+ // FIXME cleanup all this shit string stuff
+ std::string path = extract_path;
+ path += PATH_SEP;
+ path += fn;
+
+ Com_DPrintf(S_COLOR_YELLOW"Extracted FILE: "
+ S_COLOR_WHITE"%s\n",
+ path.c_str());
+
+ std::fstream dl;
+ dl.open(path, fstream::out|ios::binary);
+
+ // Extract the release package
+ size_t numwrote;
+ do {
+ // Extract 16k at a time
+ unsigned blocksiz = 16384;
+
+ if ( blocksiz > fi.uncompressed_size - numwrote )
+ blocksiz = fi.uncompressed_size - numwrote;
+
+ uint8_t block[blocksiz];
+ unzReadCurrentFile(z, static_cast<void*>(&block), blocksiz);
+
+ dl.write((const char*)block, blocksiz);
+ numwrote += blocksiz;
+
+ } while ( fi.uncompressed_size > numwrote );
+ dl.close();
+
+ unzCloseCurrentFile(z);
+ unzGoToNextFile(z);
+ }
+
+ unzClose(z);
+}
+
+void UpdateManager::download()
+{
+ cvar_t *cl_enableSignatureCheck = Cvar_Get("cl_enableSignatureCheck", "0", CVAR_ARCHIVE | CVAR_PROTECTED);
+
+ // Check for and download signature
+ std::string signature_url = Cvar_VariableString("cl_latestSignature");
+ if ( signature_url.empty() && cl_enableSignatureCheck->integer)
+ throw exception();
+
+ // Download the latest release
+ auto url = Cvar_VariableString("cl_latestDownload");
+ auto r = RestClient::get(url);
+ if ( r.code != 200 )
+ throw exception();
+
+ Com_DPrintf(S_COLOR_CYAN "URL: " S_COLOR_WHITE "%s\n", url);
+
+ // FIXME Cleanup this string bullshit
+ std::string extract_path, signature_path, path { Cvar_VariableString("fs_homepath") };
+ path += PATH_SEP;
+ extract_path = path;
+ signature_path = path + signature_name;
+ path += package_name;
+
+ MakeDir(extract_path, "extract");
+ extract_path += "extract";
+
+ Com_DPrintf(S_COLOR_CYAN"PATH: " S_COLOR_WHITE "%s\n",
+ path.c_str());
+
+ // Write the release package to disk
+ {
+ std::fstream dl;
+ dl.open( path, fstream::out|ios::binary );
+ dl.write( r.body.c_str(), r.body.length() );
+ dl.close();
+ }
+
+ if (cl_enableSignatureCheck->integer)
+ {
+ auto r = RestClient::get(signature_url);
+ if ( r.code != 200 )
+ throw exception();
+
+ std::fstream dl;
+ dl.open( signature_path, fstream::out|ios::binary );
+ dl.write( r.body.c_str(), r.body.length() );
+ dl.close();
+
+ // Validate the signature of the package if enabled
+ UpdateManager::validate_signature(path, signature_path);
+ }
+
+ // Extract the contents of the release package
+ UpdateManager::extract(extract_path, path);
+
+ // Delete the release package
+ unlink(path.c_str());
+
+ Cvar_SetValue("au_autoupdate_action", AU_ACT_RUN);
+}
+
+void UpdateManager::validate_signature(std::string path, std::string signature_path)
+{
+ // Load public key
+ rsa_public_key public_key;
+ rsa_public_key_init(&public_key);
+ rsa_keypair_from_sexp(&public_key, NULL, 0, release_key_pub_len, release_key_pub);
+
+ auto min = [](auto a, auto b) { return a < b ? a : b; };
+
+ // Read in signature
+ mpz_t signature;
+ {
+ std::ifstream f(signature_path, ios::binary);
+ f.seekg (0, f.end);
+ size_t length = f.tellg();
+ f.seekg (0, f.beg);
+
+ std::vector<char> buffer(512, 0);
+ f.read(buffer.data(), min(length, buffer.size()));
+ nettle_mpz_init_set_str_256_u(signature, f.gcount(), (uint8_t *)buffer.data());
+ }
+
+ // Hash file
+ sha256_ctx ctx;
+ sha256_init(&ctx);
+ {
+ std::ifstream f(path, ios::binary);
+ f.seekg (0, f.end);
+ size_t length = f.tellg();
+ f.seekg (0, f.beg);
+
+ std::vector<unsigned char> buffer(16384, 0);
+ while (f.read((char *)buffer.data(), min(length, buffer.size()))) {
+ auto nbytes = f.gcount();
+ sha256_update(&ctx, nbytes, buffer.data());
+ length -= nbytes;
+ if (length <= 0) {
+ break;
+ }
+ }
+ }
+
+ // Verify signature
+ if (!rsa_sha256_verify(&public_key, &ctx, signature)) {
+ rsa_public_key_clear(&public_key);
+ mpz_clear(signature);
+ Com_Error( ERR_DROP, "Update signature was not verified\n" );
+ return;
+ }
+
+ unlink(signature_path.c_str());
+ rsa_public_key_clear(&public_key);
+ mpz_clear(signature);
+}
+
+extern char** environ;
+
+class FailInstaller : public std::exception {
+ std::string msg;
+public:
+ FailInstaller(int e)
+ { msg = strerror(e); }
+
+ virtual const char* what() throw()
+ { return msg.c_str(); }
+};
+
+void UpdateManager::execute()
+{
+ granger_exe = "";
+ granger_main_lua = "";
+
+ if ( granger_exe == "" || granger_main_lua == "" )
+ {
+ for ( auto const& i : release_package )
+ {
+ Com_Printf(S_COLOR_RED " Unlink %s\n", i.c_str());
+ unlink(i.c_str());
+ }
+
+ Com_Error( ERR_DROP, "Missing Granger or GrangerScript\n" );
+ return;
+ }
+
+ std::array<const char*, 4> argv{};
+
+ char* tmp = strdup(granger_exe.c_str());
+ const char* dir = dirname(tmp);
+
+ argv[0] = granger_exe.c_str();
+ argv[1] = va(" -C %s", dir);
+ argv[2] = granger_main_lua.c_str();
+
+ // Dump the details
+ Com_Printf(S_COLOR_YELLOW"Launching "
+ S_COLOR_WHITE"%s %s %s\n",
+ argv[0], argv[1], argv[2]);
+
+#ifndef _WIN32
+ // Fork solely to try cleanup SDL2/GL states
+ auto pid = fork();
+ if (pid == -1)
+ throw FailInstaller(errno);
+
+ if (pid == 0)
+ {
+ execve(argv[0],
+ const_cast<char **>(argv.data()),
+ environ);
+
+ throw FailInstaller(errno);
+ }
+ else
+ {
+ Engine_Exit("");
+ }
+#else
+ // FIXME Dirty exit on Windows...
+ execve(argv[0],
+ const_cast<char **>(argv.data()),
+ environ);
+
+ throw FailInstaller(errno);
+#endif
+}
+
+void CL_GetLatestRelease() { UpdateManager::refresh(); }
+void CL_DownloadRelease() { UpdateManager::download(); }
+void CL_ExecuteInstaller() { UpdateManager::execute(); }
generated by cgit (git 2.34.1) at 2024-07-01 16:22:43 +0000