github.com/iDigitalFlame/xmt@v0.5.4/com/pipe/xy_nix_no_crypt.go (about)

     1  //go:build !windows && !crypt
     2  // +build !windows,!crypt
     3  
     4  // Copyright (C) 2020 - 2023 iDigitalFlame
     5  //
     6  // This program is free software: you can redistribute it and/or modify
     7  // it under the terms of the GNU General Public License as published by
     8  // the Free Software Foundation, either version 3 of the License, or
     9  // any later version.
    10  //
    11  // This program is distributed in the hope that it will be useful,
    12  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    13  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14  // GNU General Public License for more details.
    15  //
    16  // You should have received a copy of the GNU General Public License
    17  // along with this program.  If not, see <https://www.gnu.org/licenses/>.
    18  //
    19  
    20  package pipe
    21  
    22  import "os"
    23  
    24  // PermEveryone is the Linux permission string used in sockets to allow anyone to write and read
    25  // to the listening socket. This can be used for socket communication between privilege boundaries.
    26  // This can be applied to the ListenPerm function.
    27  var PermEveryone = "0766"
    28  
    29  // Format will ensure the path for this Pipe socket fits the proper OS based pathname. Valid path names will be
    30  // returned without any changes.
    31  func Format(s string) string {
    32  	if len(s) > 0 && s[0] != '/' {
    33  		var (
    34  			p      = "/var/run/" + s
    35  			f, err = os.OpenFile(p, 0x242, 0600)
    36  			// 0x242 - CREATE | TRUNCATE | RDWR
    37  		)
    38  		if err != nil {
    39  			return "/tmp/" + s
    40  		}
    41  		f.Close()
    42  		os.Remove(p)
    43  		return p
    44  	}
    45  	return s
    46  }