Michael Ryleev | 0a72ad9 | 2015-07-22 18:21:10 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #define LOG_TAG "libtrusty" |
| 18 | |
| 19 | #include <errno.h> |
| 20 | #include <fcntl.h> |
| 21 | #include <stdbool.h> |
| 22 | #include <stdio.h> |
| 23 | #include <stdlib.h> |
| 24 | #include <string.h> |
| 25 | |
| 26 | #include <cutils/log.h> |
| 27 | |
| 28 | #include "tipc_ioctl.h" |
| 29 | |
| 30 | int tipc_connect(const char *dev_name, const char *srv_name) |
| 31 | { |
| 32 | int fd; |
| 33 | int rc; |
| 34 | |
| 35 | fd = open(dev_name, O_RDWR); |
| 36 | if (fd < 0) { |
| 37 | rc = -errno; |
| 38 | ALOGE("%s: cannot open tipc device \"%s\": %s\n", |
| 39 | __func__, dev_name, strerror(errno)); |
| 40 | return rc < 0 ? rc : -1; |
| 41 | } |
| 42 | |
| 43 | rc = ioctl(fd, TIPC_IOC_CONNECT, srv_name); |
| 44 | if (rc < 0) { |
| 45 | rc = -errno; |
| 46 | ALOGE("%s: can't connect to tipc service \"%s\" (err=%d)\n", |
| 47 | __func__, srv_name, errno); |
| 48 | close(fd); |
| 49 | return rc < 0 ? rc : -1; |
| 50 | } |
| 51 | |
| 52 | ALOGV("%s: connected to \"%s\" fd %d\n", __func__, srv_name, fd); |
| 53 | return fd; |
| 54 | } |
| 55 | |
| 56 | void tipc_close(int fd) |
| 57 | { |
| 58 | close(fd); |
| 59 | } |