mirror of
https://gitee.com/openharmony/startup_appspawn
synced 2024-11-27 01:00:38 +00:00
54f7a1a2dd
Signed-off-by: 陈其文 <chenqiwen6@huawei.com>
143 lines
5.6 KiB
C
143 lines
5.6 KiB
C
/*
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* Copyright (c) 2024 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <signal.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include "appspawn_hook.h"
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#include "appspawn_modulemgr.h"
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#include "appspawn_manager.h"
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#include "appspawn_service.h"
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#include "parameter.h"
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#include "securec.h"
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#define APPSPAWN_PRELOAD "libappspawn_helper.z.so"
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#ifndef CJAPP_SPAWN
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static AppSpawnStartArgTemplate g_appSpawnStartArgTemplate[PROCESS_INVALID] = {
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{APPSPAWN_SERVER_NAME, {MODE_FOR_APP_SPAWN, MODULE_APPSPAWN, APPSPAWN_SOCKET_NAME, APPSPAWN_SERVER_NAME, 1}},
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{NWEBSPAWN_SERVER_NAME, {MODE_FOR_NWEB_SPAWN, MODULE_NWEBSPAWN, NWEBSPAWN_SOCKET_NAME, NWEBSPAWN_SERVER_NAME, 1}},
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{"app_cold", {MODE_FOR_APP_COLD_RUN, MODULE_APPSPAWN, APPSPAWN_SOCKET_NAME, APPSPAWN_SERVER_NAME, 0}},
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{"nweb_cold", {MODE_FOR_NWEB_COLD_RUN, MODULE_NWEBSPAWN, APPSPAWN_SOCKET_NAME, NWEBSPAWN_SERVER_NAME, 0}},
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{NATIVESPAWN_SERVER_NAME, {MODE_FOR_NATIVE_SPAWN, MODULE_NATIVESPAWN, NATIVESPAWN_SOCKET_NAME,
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NATIVESPAWN_SERVER_NAME, 1}},
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{NWEBSPAWN_RESTART, {MODE_FOR_NWEB_SPAWN, MODULE_NWEBSPAWN, NWEBSPAWN_SOCKET_NAME, NWEBSPAWN_SERVER_NAME, 1}},
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};
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#else
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static AppSpawnStartArgTemplate g_appCJSpawnStartArgTemplate[CJPROCESS_INVALID] = {
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{CJAPPSPAWN_SERVER_NAME, {MODE_FOR_CJAPP_SPAWN, MODULE_APPSPAWN, CJAPPSPAWN_SOCKET_NAME, CJAPPSPAWN_SERVER_NAME,
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1}},
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{"app_cold", {MODE_FOR_APP_COLD_RUN, MODULE_APPSPAWN, CJAPPSPAWN_SOCKET_NAME, CJAPPSPAWN_SERVER_NAME, 0}},
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};
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#endif
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static void CheckPreload(char *const argv[])
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{
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char buf[256] = APPSPAWN_PRELOAD; // 256 is enough in most cases
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char *preload = getenv("LD_PRELOAD");
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char *pos = preload ? strstr(preload, APPSPAWN_PRELOAD) : NULL;
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if (pos) {
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int len = pos - preload;
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len = sprintf_s(buf, sizeof(buf), "%.*s%s", len, preload, pos + strlen(APPSPAWN_PRELOAD));
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APPSPAWN_CHECK(len >= 0, return, "preload too long?: %{public}s", preload);
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if (len == 0) {
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int ret = unsetenv("LD_PRELOAD");
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APPSPAWN_CHECK(ret == 0, return, "unsetenv fail(%{public}d)", errno);
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} else {
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int ret = setenv("LD_PRELOAD", buf, true);
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APPSPAWN_CHECK(ret == 0, return, "setenv fail(%{public}d): %{public}s", errno, buf);
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}
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return;
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}
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if (preload && preload[0]) {
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int len = sprintf_s(buf, sizeof(buf), "%s:" APPSPAWN_PRELOAD, preload);
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APPSPAWN_CHECK(len > 0, return, "preload too long: %{public}s", preload);
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}
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int ret = setenv("LD_PRELOAD", buf, true);
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APPSPAWN_CHECK(ret == 0, return, "setenv fail(%{public}d): %{public}s", errno, buf);
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ssize_t nread = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
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APPSPAWN_CHECK(nread != -1, return, "readlink fail: /proc/self/exe: %{public}d", errno);
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buf[nread] = 0;
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ret = execv(buf, argv);
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APPSPAWN_LOGE("execv fail: %{public}s: %{public}d: %{public}d", buf, errno, ret);
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}
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#ifndef NATIVE_SPAWN
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static AppSpawnStartArgTemplate *GetAppSpawnStartArg(const char *serverName, AppSpawnStartArgTemplate *argTemplate,
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int count)
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{
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for (int i = 0; i < count; i++) {
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if (strcmp(serverName, argTemplate[i].serverName) == 0) {
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return &argTemplate[i];
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}
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}
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return argTemplate;
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}
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#endif
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// appspawn -mode appspawn | cold | nwebspawn -param app_property -fd clientFd
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int main(int argc, char *const argv[])
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{
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APPSPAWN_LOGE("main argc: %{public}d", argc);
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if (argc <= 0) {
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return 0;
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}
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uintptr_t start = (uintptr_t)argv[0];
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uintptr_t end = (uintptr_t)strchr(argv[argc - 1], 0);
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if (end == 0) {
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return 0;
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}
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InitCommonEnv();
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CheckPreload(argv);
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(void)signal(SIGPIPE, SIG_IGN);
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uint32_t argvSize = end - start;
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AppSpawnStartArg *arg;
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AppSpawnStartArgTemplate *argTemp = NULL;
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#ifdef CJAPP_SPAWN
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argTemp = &g_appCJSpawnStartArgTemplate[CJPROCESS_FOR_APP_SPAWN];
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if (argc > MODE_VALUE_INDEX) {
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argTemp = GetAppSpawnStartArg(argv[MODE_VALUE_INDEX], g_appCJSpawnStartArgTemplate,
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ARRAY_LENGTH(g_appCJSpawnStartArgTemplate));
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}
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#elif NATIVE_SPAWN
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argTemp = &g_appSpawnStartArgTemplate[PROCESS_FOR_NATIVE_SPAWN];
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#else
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argTemp = &g_appSpawnStartArgTemplate[PROCESS_FOR_APP_SPAWN];
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if (argc > MODE_VALUE_INDEX) {
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argTemp = GetAppSpawnStartArg(argv[MODE_VALUE_INDEX], g_appSpawnStartArgTemplate,
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ARRAY_LENGTH(g_appSpawnStartArgTemplate));
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}
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#endif
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arg = &argTemp->arg;
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if (arg->initArg == 0) {
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APPSPAWN_CHECK(argc >= ARG_NULL, return 0, "Invalid arg for cold start %{public}d", argc);
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} else {
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if (strcmp(argTemp->serverName, NWEBSPAWN_RESTART) == 0) { // nweb spawn restart
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APPSPAWN_CHECK_ONLY_EXPER(argvSize >= APP_LEN_PROC_NAME, argvSize = APP_LEN_PROC_NAME);
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} else {
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APPSPAWN_CHECK(argvSize >= APP_LEN_PROC_NAME, return 0, "Invalid arg size for service %{public}s",
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arg->serviceName);
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}
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}
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AppSpawnContent *content = StartSpawnService(arg, argvSize, argc, argv);
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if (content != NULL) {
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content->runAppSpawn(content, argc, argv);
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}
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return 0;
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}
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