1 /*
2  * Copyright (C) 2016 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 #include <errno.h>
18 #include <getopt.h>
19 #include <stdio.h>
20 #include <sys/socket.h>
21 #include <sys/types.h>
22 #include <unistd.h>
23 
24 #include <cutils/properties.h>
25 #include <cutils/sockets.h>
26 
27 #include "bugreportz.h"
28 
29 static constexpr char VERSION[] = "1.1";
30 
show_usage()31 static void show_usage() {
32     fprintf(stderr,
33             "usage: bugreportz [-h | -v]\n"
34             "  -h: to display this help message\n"
35             "  -p: display progress\n"
36             "  -v: to display the version\n"
37             "  or no arguments to generate a zipped bugreport\n");
38 }
39 
show_version()40 static void show_version() {
41     fprintf(stderr, "%s\n", VERSION);
42 }
43 
main(int argc,char * argv[])44 int main(int argc, char* argv[]) {
45     bool show_progress = false;
46     if (argc > 1) {
47         /* parse arguments */
48         int c;
49         while ((c = getopt(argc, argv, "hpv")) != -1) {
50             switch (c) {
51                 case 'h':
52                     show_usage();
53                     return EXIT_SUCCESS;
54                 case 'p':
55                     show_progress = true;
56                     break;
57                 case 'v':
58                     show_version();
59                     return EXIT_SUCCESS;
60                 default:
61                     show_usage();
62                     return EXIT_FAILURE;
63             }
64         }
65     }
66 
67     // TODO: code below was copy-and-pasted from bugreport.cpp (except by the
68     // timeout value);
69     // should be reused instead.
70 
71     // Start the dumpstatez service.
72     property_set("ctl.start", "dumpstatez");
73 
74     // Socket will not be available until service starts.
75     int s = -1;
76     for (int i = 0; i < 20; i++) {
77         s = socket_local_client("dumpstate", ANDROID_SOCKET_NAMESPACE_RESERVED, SOCK_STREAM);
78         if (s >= 0) break;
79         // Try again in 1 second.
80         sleep(1);
81     }
82 
83     if (s == -1) {
84         printf("FAIL:Failed to connect to dumpstatez service: %s\n", strerror(errno));
85         return EXIT_FAILURE;
86     }
87 
88     // Set a timeout so that if nothing is read in 10 minutes, we'll stop
89     // reading and quit. No timeout in dumpstate is longer than 60 seconds,
90     // so this gives lots of leeway in case of unforeseen time outs.
91     struct timeval tv;
92     tv.tv_sec = 10 * 60;
93     tv.tv_usec = 0;
94     if (setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) == -1) {
95         fprintf(stderr,
96                 "WARNING: Cannot set socket timeout, bugreportz might hang indefinitely: %s\n",
97                 strerror(errno));
98     }
99 
100     int ret = bugreportz(s, show_progress);
101 
102     if (close(s) == -1) {
103         fprintf(stderr, "WARNING: error closing socket: %s\n", strerror(errno));
104         ret = EXIT_FAILURE;
105     }
106     return ret;
107 }
108