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Diffstat (limited to 'src/parabola_hackers/passwords.go.in')
-rw-r--r-- | src/parabola_hackers/passwords.go.in | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/src/parabola_hackers/passwords.go.in b/src/parabola_hackers/passwords.go.in deleted file mode 100644 index 0d763b9..0000000 --- a/src/parabola_hackers/passwords.go.in +++ /dev/null @@ -1,94 +0,0 @@ -// Copyright 2015-2016 Luke Shumaker <lukeshu@sbcglobal.net>. -// -// This is free software; you can redistribute it and/or -// modify it under the terms of the GNU General Public License as -// published by the Free Software Foundation; either version 2 of -// the License, or (at your option) any later version. -// -// This software is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public -// License along with this manual; if not, see -// <http://www.gnu.org/licenses/>. - -package parabola_hackers - -import ( - "fmt" - "io/ioutil" - "os" - "sort" - "strings" - - "lukeshu.com/git/go/libgnulinux.git/crypt" - "lukeshu.com/git/go/libsystemd.git/sd_daemon/logger" -) - -/* Note that the password hash value should be one of: - <empty> - no password set, allow login without password - ! - used to prevent logins - x - "valid" encrypted password that does not match any valid password - often used to indicate that the password is defined elsewhere - other - encrypted password, in crypt(3) format */ - -const shadow_file = "@shadow_file@" - -func LoadAllPasswords() (map[string]string, error) { - file, err := os.Open(shadow_file) - if err != nil { - return nil, err - } - contents, err := ioutil.ReadAll(file) - if err != nil { - return nil, err - } - lines := strings.Split(string(contents), "\n") - passwords := make(map[string]string, len(lines)) - for i, line := range lines { - cols := strings.SplitN(line, ":", 2) - if len(cols) != 2 { - logger.Err("hackers.git %s:%d: malformed line", shadow_file, i+1) - continue - } - username := cols[0] - hash := cols[1] - if hash != "!" && !crypt.SaltOk(hash) { - hash = "!" - logger.Err("%s:%d: malformed hash for user: %s", shadow_file, i+1, username) - } - passwords[username] = hash - } - return passwords, nil -} - -func SaveAllPasswords(passwords map[string]string) error { - usernames := make([]string, len(passwords)) - i := 0 - for username, _ := range passwords { - usernames[i] = username - i++ - } - sort.Strings(usernames) - - file, err := os.OpenFile(shadow_file+"-", os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0600) - if err != nil { - return err - } - - for _, username := range usernames { - fmt.Fprintf(file, "%s:%s\n", username, passwords[username]) - } - err = file.Sync() - if err != nil { - return err - } - err = file.Close() - if err != nil { - return err - } - - return os.Rename(shadow_file+"-", shadow_file) -} |