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Commit | Line | Data |
---|---|---|
1 | use failure::*; | |
2 | use proxmox::tools::fs::{file_read_firstline, file_set_contents}; | |
3 | ||
4 | use crate::api_schema::*; | |
5 | use crate::api_schema::router::*; | |
6 | use crate::api2::types::*; | |
7 | ||
8 | use serde_json::{json, Value}; | |
9 | ||
10 | use chrono::prelude::*; | |
11 | ||
12 | fn read_etc_localtime() -> Result<String, Error> { | |
13 | // use /etc/timezone | |
14 | if let Ok(line) = file_read_firstline("/etc/timezone") { | |
15 | return Ok(line.trim().to_owned()); | |
16 | } | |
17 | ||
18 | // otherwise guess from the /etc/localtime symlink | |
19 | let mut buf: [u8; 64] = unsafe { std::mem::uninitialized() }; | |
20 | let len = unsafe { | |
21 | libc::readlink("/etc/localtime".as_ptr() as *const _, buf.as_mut_ptr() as *mut _, buf.len()) | |
22 | }; | |
23 | if len <= 0 { | |
24 | bail!("failed to guess timezone"); | |
25 | } | |
26 | let len = len as usize; | |
27 | buf[len] = 0; | |
28 | let link = std::str::from_utf8(&buf[..len])?; | |
29 | match link.rfind("/zoneinfo/") { | |
30 | Some(pos) => Ok(link[(pos + 10)..].to_string()), | |
31 | None => Ok(link.to_string()), | |
32 | } | |
33 | } | |
34 | ||
35 | fn get_time( | |
36 | _param: Value, | |
37 | _info: &ApiMethod, | |
38 | _rpcenv: &mut dyn RpcEnvironment, | |
39 | ) -> Result<Value, Error> { | |
40 | ||
41 | let datetime = Local::now(); | |
42 | let offset = datetime.offset(); | |
43 | let time = datetime.timestamp(); | |
44 | let localtime = time + (offset.fix().local_minus_utc() as i64); | |
45 | ||
46 | Ok(json!({ | |
47 | "timezone": read_etc_localtime()?, | |
48 | "time": time, | |
49 | "localtime": localtime, | |
50 | })) | |
51 | } | |
52 | ||
53 | fn set_timezone( | |
54 | param: Value, | |
55 | _info: &ApiMethod, | |
56 | _rpcenv: &mut dyn RpcEnvironment, | |
57 | ) -> Result<Value, Error> { | |
58 | ||
59 | let timezone = crate::tools::required_string_param(¶m, "timezone")?; | |
60 | ||
61 | let path = std::path::PathBuf::from(format!("/usr/share/zoneinfo/{}", timezone)); | |
62 | ||
63 | if !path.exists() { | |
64 | bail!("No such timezone."); | |
65 | } | |
66 | ||
67 | file_set_contents("/etc/timezone", timezone.as_bytes(), None)?; | |
68 | ||
69 | let _ = std::fs::remove_file("/etc/localtime"); | |
70 | ||
71 | use std::os::unix::fs::symlink; | |
72 | symlink(path, "/etc/localtime")?; | |
73 | ||
74 | Ok(Value::Null) | |
75 | } | |
76 | ||
77 | pub fn router() -> Router { | |
78 | ||
79 | let route = Router::new() | |
80 | .get( | |
81 | ApiMethod::new( | |
82 | get_time, | |
83 | ObjectSchema::new("Read server time and time zone settings.") | |
84 | .required("node", NODE_SCHEMA.clone()) | |
85 | ).returns( | |
86 | ObjectSchema::new("Returns server time and timezone.") | |
87 | .required("timezone", StringSchema::new("Time zone")) | |
88 | .required("time", IntegerSchema::new("Seconds since 1970-01-01 00:00:00 UTC.") | |
89 | .minimum(1297163644)) | |
90 | .required("localtime", IntegerSchema::new("Seconds since 1970-01-01 00:00:00 UTC. (local time)") | |
91 | .minimum(1297163644)) | |
92 | ) | |
93 | ) | |
94 | .put( | |
95 | ApiMethod::new( | |
96 | set_timezone, | |
97 | ObjectSchema::new("Set time zone.") | |
98 | .required("node", NODE_SCHEMA.clone()) | |
99 | .required("timezone", StringSchema::new( | |
100 | "Time zone. The file '/usr/share/zoneinfo/zone.tab' contains the list of valid names.")) | |
101 | ).protected(true).reload_timezone(true) | |
102 | ); | |
103 | ||
104 | ||
105 | route | |
106 | } |