c8a3c80603
So sideload thread will not use argument which is to be freed in the main thread. Bug: 23968770 Change-Id: I9d6dadc6c33cfbe4b5759382a80fe14cd0d54355
105 lines
2.8 KiB
C++
105 lines
2.8 KiB
C++
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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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 <errno.h>
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#include <inttypes.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "sysdeps.h"
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#include "adb.h"
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#include "fdevent.h"
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#include "fuse_adb_provider.h"
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typedef struct stinfo stinfo;
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struct stinfo {
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void (*func)(int fd, void *cookie);
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int fd;
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void *cookie;
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};
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void* service_bootstrap_func(void* x) {
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stinfo* sti = reinterpret_cast<stinfo*>(x);
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sti->func(sti->fd, sti->cookie);
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free(sti);
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return 0;
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}
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static void sideload_host_service(int sfd, void* data) {
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char* args = reinterpret_cast<char*>(data);
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int file_size;
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int block_size;
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if (sscanf(args, "%d:%d", &file_size, &block_size) != 2) {
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printf("bad sideload-host arguments: %s\n", args);
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exit(1);
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}
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free(args);
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printf("sideload-host file size %d block size %d\n", file_size, block_size);
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int result = run_adb_fuse(sfd, file_size, block_size);
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printf("sideload_host finished\n");
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sleep(1);
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exit(result == 0 ? 0 : 1);
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}
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static int create_service_thread(void (*func)(int, void *), void *cookie) {
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int s[2];
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if(adb_socketpair(s)) {
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printf("cannot create service socket pair\n");
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return -1;
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}
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stinfo* sti = reinterpret_cast<stinfo*>(malloc(sizeof(stinfo)));
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if(sti == 0) fatal("cannot allocate stinfo");
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sti->func = func;
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sti->cookie = cookie;
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sti->fd = s[1];
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if (!adb_thread_create(service_bootstrap_func, sti)) {
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free(sti);
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adb_close(s[0]);
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adb_close(s[1]);
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printf("cannot create service thread\n");
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return -1;
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}
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VLOG(SERVICES) << "service thread started, " << s[0] << ":" << s[1];
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return s[0];
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}
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int service_to_fd(const char* name, const atransport* transport) {
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int ret = -1;
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if (!strncmp(name, "sideload:", 9)) {
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// this exit status causes recovery to print a special error
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// message saying to use a newer adb (that supports
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// sideload-host).
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exit(3);
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} else if (!strncmp(name, "sideload-host:", 14)) {
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char* arg = strdup(name + 14);
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ret = create_service_thread(sideload_host_service, arg);
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}
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if (ret >= 0) {
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close_on_exec(ret);
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}
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return ret;
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}
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