From c191af11616a3306b8e0a3650b6972eb61d2aba1 Mon Sep 17 00:00:00 2001 From: Luke Shumaker Date: Fri, 17 Jun 2016 11:49:22 -0400 Subject: rearrange the go packages a bit --- .../nslcd_backend/check_password.go | 23 +++ src/parabola_hackers/nslcd_backend/db_config.go | 39 +++++ src/parabola_hackers/nslcd_backend/db_group.go | 139 +++++++++++++++++ src/parabola_hackers/nslcd_backend/db_pam.go | 100 ++++++++++++ src/parabola_hackers/nslcd_backend/db_passwd.go | 81 ++++++++++ src/parabola_hackers/nslcd_backend/db_shadow.go | 77 +++++++++ src/parabola_hackers/nslcd_backend/gid.go | 37 +++++ src/parabola_hackers/nslcd_backend/hackers.go | 116 ++++++++++++++ .../nslcd_backend/hackers_parse.go | 173 +++++++++++++++++++++ src/parabola_hackers/nslcd_backend/set.go | 27 ++++ 10 files changed, 812 insertions(+) create mode 100644 src/parabola_hackers/nslcd_backend/check_password.go create mode 100644 src/parabola_hackers/nslcd_backend/db_config.go create mode 100644 src/parabola_hackers/nslcd_backend/db_group.go create mode 100644 src/parabola_hackers/nslcd_backend/db_pam.go create mode 100644 src/parabola_hackers/nslcd_backend/db_passwd.go create mode 100644 src/parabola_hackers/nslcd_backend/db_shadow.go create mode 100644 src/parabola_hackers/nslcd_backend/gid.go create mode 100644 src/parabola_hackers/nslcd_backend/hackers.go create mode 100644 src/parabola_hackers/nslcd_backend/hackers_parse.go create mode 100644 src/parabola_hackers/nslcd_backend/set.go (limited to 'src/parabola_hackers') diff --git a/src/parabola_hackers/nslcd_backend/check_password.go b/src/parabola_hackers/nslcd_backend/check_password.go new file mode 100644 index 0000000..1458b6f --- /dev/null +++ b/src/parabola_hackers/nslcd_backend/check_password.go @@ -0,0 +1,23 @@ +// Copyright 2015-2016 Luke Shumaker . +// +// 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 +// . + +package hackers_nslcd_backend + +import "lukeshu.com/git/go/libgnulinux.git/crypt" + +func check_password(password string, hash string) bool { + return crypt.Crypt(password, hash) == hash +} diff --git a/src/parabola_hackers/nslcd_backend/db_config.go b/src/parabola_hackers/nslcd_backend/db_config.go new file mode 100644 index 0000000..934498d --- /dev/null +++ b/src/parabola_hackers/nslcd_backend/db_config.go @@ -0,0 +1,39 @@ +// Copyright 2015-2016 Luke Shumaker . +// +// 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 +// . + +package hackers_nslcd_backend + +import ( + p "lukeshu.com/git/go/libnslcd.git/proto" + s "syscall" +) + +func (o *Hackers) Config_Get(cred s.Ucred, req p.Request_Config_Get) <-chan p.Config { + o.lock.RLock() + ret := make(chan p.Config) + go func() { + defer o.lock.RUnlock() + defer close(ret) + + switch req.Key { + case p.NSLCD_CONFIG_PAM_PASSWORD_PROHIBIT_MESSAGE: + if o.cfg.Pam_password_prohibit_message != "" { + ret <- p.Config{Value: o.cfg.Pam_password_prohibit_message} + } + } + }() + return ret +} diff --git a/src/parabola_hackers/nslcd_backend/db_group.go b/src/parabola_hackers/nslcd_backend/db_group.go new file mode 100644 index 0000000..8990fad --- /dev/null +++ b/src/parabola_hackers/nslcd_backend/db_group.go @@ -0,0 +1,139 @@ +// Copyright 2015-2016 Luke Shumaker . +// +// 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 +// . + +package hackers_nslcd_backend + +import ( + p "lukeshu.com/git/go/libnslcd.git/proto" + s "syscall" +) + +func (o *Hackers) groupByName(name string, users bool) p.Group { + members_set, found := o.groups[name] + if !found { + return p.Group{ID: -1} + } + gid := name2gid(name) + if gid < 0 { + return p.Group{ID: -1} + } + var members_list []string + if users { + members_list = set2list(members_set) + } else { + members_list = make([]string, 0) + } + return p.Group{ + Name: name, + PwHash: "x", + ID: gid, + Members: members_list, + } +} + +func (o *Hackers) groupByGid(gid int32, users bool) p.Group { + name, found := gid2name(gid) + if !found { + return p.Group{ID: -1} + } + members_set, found := o.groups[name] + if !found { + return p.Group{ID: -1} + } + var members_list []string + if users { + members_list = set2list(members_set) + } else { + members_list = make([]string, 0) + } + return p.Group{ + Name: name, + PwHash: "x", + ID: gid, + Members: members_list, + } +} + +func (o *Hackers) Group_ByName(cred s.Ucred, req p.Request_Group_ByName) <-chan p.Group { + o.lock.RLock() + ret := make(chan p.Group) + go func() { + defer o.lock.RUnlock() + defer close(ret) + + group := o.groupByName(req.Name, true) + if group.ID < 0 { + return + } + ret <- group + }() + return ret +} + +func (o *Hackers) Group_ByGid(cred s.Ucred, req p.Request_Group_ByGid) <-chan p.Group { + o.lock.RLock() + ret := make(chan p.Group) + go func() { + defer o.lock.RUnlock() + defer close(ret) + + group := o.groupByGid(req.Gid, true) + if group.ID < 0 { + return + } + ret <- group + }() + return ret +} + +// note that the BYMEMBER call returns an empty members list +func (o *Hackers) Group_ByMember(cred s.Ucred, req p.Request_Group_ByMember) <-chan p.Group { + o.lock.RLock() + ret := make(chan p.Group) + go func() { + defer o.lock.RUnlock() + defer close(ret) + + uid := o.name2uid(req.Member) + if uid < 0 { + return + } + for _, name := range o.users[uid].groups { + group := o.groupByName(name, false) + if group.ID >= 0 { + ret <- group + } + } + }() + return ret +} + +func (o *Hackers) Group_All(cred s.Ucred, req p.Request_Group_All) <-chan p.Group { + o.lock.RLock() + ret := make(chan p.Group) + go func() { + defer o.lock.RUnlock() + defer close(ret) + + for name, _ := range o.groups { + group := o.groupByName(name, true) + if group.ID >= 0 { + ret <- group + } + } + }() + return ret +} diff --git a/src/parabola_hackers/nslcd_backend/db_pam.go b/src/parabola_hackers/nslcd_backend/db_pam.go new file mode 100644 index 0000000..6b2a7c7 --- /dev/null +++ b/src/parabola_hackers/nslcd_backend/db_pam.go @@ -0,0 +1,100 @@ +// Copyright 2015 Luke Shumaker . +// +// 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 +// . + +package hackers_nslcd_backend + +import ( + "crypto/rand" + p "lukeshu.com/git/go/libnslcd.git/proto" + "math/big" + s "syscall" +) + +func (o *Hackers) PAM_Authentication(cred s.Ucred, req p.Request_PAM_Authentication) <-chan p.PAM_Authentication { + o.lock.RLock() + ret := make(chan p.PAM_Authentication) + go func() { + defer o.lock.RUnlock() + defer close(ret) + + uid := o.name2uid(req.UserName) + if uid < 0 { + return + } + + user := o.users[uid] + obj := p.PAM_Authentication{ + AuthenticationResult: p.NSLCD_PAM_AUTH_ERR, + UserName: "", + AuthorizationResult: p.NSLCD_PAM_AUTH_ERR, + AuthorizationError: "", + } + if check_password(req.Password, user.passwd.PwHash) { + obj.AuthenticationResult = p.NSLCD_PAM_SUCCESS + obj.AuthorizationResult = obj.AuthenticationResult + obj.UserName = user.passwd.Name + } + ret <- obj + }() + return ret +} + +func (o *Hackers) PAM_Authorization(cred s.Ucred, req p.Request_PAM_Authorization) <-chan p.PAM_Authorization { + o.lock.RLock() + ret := make(chan p.PAM_Authorization) + go func() { + defer o.lock.RUnlock() + defer close(ret) + + uid := o.name2uid(req.UserName) + if uid < 0 { + return + } + ret <- p.PAM_Authorization{ + Result: p.NSLCD_PAM_SUCCESS, + Error: "", + } + }() + return ret +} + +const alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" + +var alphabet_len = big.NewInt(int64(len(alphabet))) + +func (o *Hackers) PAM_SessionOpen(cred s.Ucred, req p.Request_PAM_SessionOpen) <-chan p.PAM_SessionOpen { + ret := make(chan p.PAM_SessionOpen) + go func() { + defer close(ret) + + var sessionid [24]byte + for i := 0; i < len(sessionid); i++ { + bigint, err := rand.Int(rand.Reader, alphabet_len) + if err != nil { + return + } + sessionid[i] = alphabet[bigint.Int64()] + } + ret <- p.PAM_SessionOpen{SessionID: string(sessionid[:])} + }() + return ret +} + +func (o *Hackers) PAM_SessionClose(cred s.Ucred, req p.Request_PAM_SessionClose) <-chan p.PAM_SessionClose { + ret := make(chan p.PAM_SessionClose) + go close(ret) + return ret +} diff --git a/src/parabola_hackers/nslcd_backend/db_passwd.go b/src/parabola_hackers/nslcd_backend/db_passwd.go new file mode 100644 index 0000000..514a8b3 --- /dev/null +++ b/src/parabola_hackers/nslcd_backend/db_passwd.go @@ -0,0 +1,81 @@ +// Copyright 2015 Luke Shumaker . +// +// 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 +// . + +package hackers_nslcd_backend + +import ( + p "lukeshu.com/git/go/libnslcd.git/proto" + s "syscall" +) + +/* Note that the output password hash value should be one of: + - 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 */ + +func (o *Hackers) Passwd_ByName(cred s.Ucred, req p.Request_Passwd_ByName) <-chan p.Passwd { + o.lock.RLock() + ret := make(chan p.Passwd) + go func() { + defer o.lock.RUnlock() + defer close(ret) + + uid := o.name2uid(req.Name) + if uid < 0 { + return + } + passwd := o.users[uid].passwd + passwd.PwHash = "x" // only put actual hashes in the Shadow DB + ret <- passwd + }() + return ret +} + +func (o *Hackers) Passwd_ByUID(cred s.Ucred, req p.Request_Passwd_ByUID) <-chan p.Passwd { + o.lock.RLock() + ret := make(chan p.Passwd) + go func() { + defer o.lock.RUnlock() + defer close(ret) + + user, found := o.users[req.UID] + if !found { + return + } + passwd := user.passwd + passwd.PwHash = "x" // only put actual hashes in the Shadow DB + ret <- passwd + }() + return ret +} + +func (o *Hackers) Passwd_All(cred s.Ucred, req p.Request_Passwd_All) <-chan p.Passwd { + o.lock.RLock() + ret := make(chan p.Passwd) + go func() { + defer o.lock.RUnlock() + defer close(ret) + + for _, user := range o.users { + passwd := user.passwd + passwd.PwHash = "x" // only put actual hashes in the Shadow DB + ret <- passwd + } + }() + return ret +} diff --git a/src/parabola_hackers/nslcd_backend/db_shadow.go b/src/parabola_hackers/nslcd_backend/db_shadow.go new file mode 100644 index 0000000..26b1b05 --- /dev/null +++ b/src/parabola_hackers/nslcd_backend/db_shadow.go @@ -0,0 +1,77 @@ +// Copyright 2015 Luke Shumaker . +// +// 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 +// . + +package hackers_nslcd_backend + +import ( + p "lukeshu.com/git/go/libnslcd.git/proto" + s "syscall" +) + +func (o *Hackers) Shadow_ByName(cred s.Ucred, req p.Request_Shadow_ByName) <-chan p.Shadow { + o.lock.RLock() + ret := make(chan p.Shadow) + go func() { + defer o.lock.RUnlock() + defer close(ret) + + if cred.Uid != 0 { + return + } + uid := o.name2uid(req.Name) + user := o.users[uid] + ret <- p.Shadow{ + Name: user.passwd.Name, + PwHash: user.passwd.PwHash, + LastChangeDate: -1, + MinDays: -1, + MaxDays: -1, + WarnDays: -1, + InactDays: -1, + ExpireDate: -1, + Flag: -1, + } + }() + return ret +} + +func (o *Hackers) Shadow_All(cred s.Ucred, req p.Request_Shadow_All) <-chan p.Shadow { + o.lock.RLock() + ret := make(chan p.Shadow) + go func() { + defer o.lock.RUnlock() + defer close(ret) + + if cred.Uid != 0 { + return + } + + for _, user := range o.users { + ret <- p.Shadow{ + Name: user.passwd.Name, + PwHash: user.passwd.PwHash, + LastChangeDate: -1, + MinDays: -1, + MaxDays: -1, + WarnDays: -1, + InactDays: -1, + ExpireDate: -1, + Flag: -1, + } + } + }() + return ret +} diff --git a/src/parabola_hackers/nslcd_backend/gid.go b/src/parabola_hackers/nslcd_backend/gid.go new file mode 100644 index 0000000..eabdbd7 --- /dev/null +++ b/src/parabola_hackers/nslcd_backend/gid.go @@ -0,0 +1,37 @@ +// Copyright 2015 Luke Shumaker . +// +// 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 +// . + +package hackers_nslcd_backend + +import "lukeshu.com/git/go/libgnulinux.git/getgr" + +func name2gid(name string) int32 { + gr, err := getgr.ByName(name) + if gr == nil || err != nil { + return -1 + } else { + return int32(gr.Gid) + } +} + +func gid2name(gid int32) (string, bool) { + gr, err := getgr.ByGid(gid) + if gr == nil || err != nil { + return "", false + } else { + return gr.Name, true + } +} diff --git a/src/parabola_hackers/nslcd_backend/hackers.go b/src/parabola_hackers/nslcd_backend/hackers.go new file mode 100644 index 0000000..66312c6 --- /dev/null +++ b/src/parabola_hackers/nslcd_backend/hackers.go @@ -0,0 +1,116 @@ +// Copyright 2015-2016 Luke Shumaker . +// +// 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 +// . + +// Package hackers_nslcd_backend is an nslcd_server Backend that +// speaks to hackers.git. +package hackers_nslcd_backend + +import ( + "lukeshu.com/git/go/libnslcd.git/proto" + "lukeshu.com/git/go/libnslcd.git/proto/server" + "lukeshu.com/git/go/libnslcd.git/systemd" + "lukeshu.com/git/go/libsystemd.git/sd_daemon/logger" + "sync" +) + +type user struct { + passwd nslcd_proto.Passwd + groups []string +} + +type config struct { + Pam_password_prohibit_message string +} + +type Hackers struct { + nslcd_server.NilBackend + lock sync.RWMutex + + CfgFilename string + YamlCat string + + cfg config + users map[int32]user + groups map[string]map[string]bool +} + +var _ nslcd_systemd.Backend = &Hackers{} +var _ nslcd_server.Backend = &Hackers{} + +func (o *Hackers) Init() error { + logger.Debug("hackers.git: CfgFilename = %v", o.CfgFilename) + logger.Debug("hackers.git: YamlCat = %v", o.YamlCat) + err := o.Reload() + if err != nil { + logger.Err("hackers.git: Could not initialize: %v", err) + return err + } + return nil +} + +func (o *Hackers) Close() { + logger.Info("hackers.git: Closing session") + o.lock.Lock() + defer o.lock.Unlock() + + o.users = make(map[int32]user, 0) + o.groups = make(map[string]map[string]bool) +} + +func (o *Hackers) Reload() error { + logger.Info("hackers.git: Loading session") + o.lock.Lock() + defer o.lock.Unlock() + + var err error + o.cfg, err = parse_config(o.CfgFilename) + if err != nil { + return err + } + logger.Info("hackers.git: pam_password_prohibit_message: %#v", o.cfg.Pam_password_prohibit_message) + + logger.Debug("hackers.git: Parsing user data") + o.users, err = parse_users(o.YamlCat) + if err != nil { + return err + } + + o.groups = make(map[string]map[string]bool) + for _, user := range o.users { + for _, groupname := range user.groups { + o.add_user_to_group(user.passwd.Name, groupname) + } + } + return nil +} + +func (o *Hackers) name2uid(name string) int32 { + for uid, data := range o.users { + if data.passwd.Name == name { + return uid + } + } + return -1 +} + +func (o *Hackers) add_user_to_group(username string, groupname string) { + group, found := o.groups[groupname] + if !found { + group = make(map[string]bool) + o.groups[groupname] = group + } + group[username] = true +} diff --git a/src/parabola_hackers/nslcd_backend/hackers_parse.go b/src/parabola_hackers/nslcd_backend/hackers_parse.go new file mode 100644 index 0000000..b18fdf8 --- /dev/null +++ b/src/parabola_hackers/nslcd_backend/hackers_parse.go @@ -0,0 +1,173 @@ +// Copyright 2015-2016 Luke Shumaker . +// +// 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 +// . + +package hackers_nslcd_backend + +import ( + "fmt" + yaml "gopkg.in/yaml.v2" + "io/ioutil" + "lukeshu.com/git/go/libsystemd.git/sd_daemon/logger" + "os" + "os/exec" + "strings" +) + +var usersGid = name2gid("users") + +func parse_config(filename string) (cfg config, err error) { + file, err := os.Open(filename) + if err != nil { + return + } + contents, err := ioutil.ReadAll(file) + if err != nil { + return + } + err = yaml.Unmarshal(contents, &cfg) + return +} + +func parse_users(yaml_cat string) (users map[int32]user, err error) { + contents, err := exec.Command(yaml_cat).Output() + if err != nil { + return + } + + var _data interface{} + err = yaml.Unmarshal(contents, &_data) + if err != nil { + return + } + + data, isMap := _data.(map[interface{}]interface{}) + errs := []string{} + if !isMap { + errs = append(errs, "root node is not a map") + } else { + users = make(map[int32]user, len(data)) + for _uid, _user := range data { + uid, isInt := _uid.(int) + if !isInt { + errs = append(errs, fmt.Sprintf("UID is not an int: %T ( %#v )", _uid, _uid)) + continue + } + user, _err := parse_user(_user) + if _err != nil { + errs = append(errs, fmt.Sprintf("Could not parse data for UID %d: %v", uid, _err)) + continue + } + user.passwd.UID = int32(uid) + logger.Debug("hackers.git: -> User %d(%s) parsed", user.passwd.UID, user.passwd.Name) + users[user.passwd.UID] = user + } + } + if len(errs) > 0 { + users = nil + err = &yaml.TypeError{Errors: errs} + } + return +} + +func parse_user(_data interface{}) (ret user, err error) { + data, isMap := _data.(map[interface{}]interface{}) + errs := []string{} + if !isMap { + errs = append(errs, "root node is not a map") + } else { + if iface, isSet := data["username"]; !isSet { + errs = append(errs, "\"username\" is not set") + } else if str, isTyp := iface.(string); !isTyp { + errs = append(errs, "\"username\" is not a string") + } else { + ret.passwd.Name = str + ret.passwd.HomeDir = "/home/" + str + } + + if iface, isSet := data["fullname"]; !isSet { + errs = append(errs, "\"fullname\" is not set") + } else if str, isTyp := iface.(string); !isTyp { + errs = append(errs, "\"fullname\" is not a string") + } else { + ret.passwd.GECOS = str + } + + if iface, isSet := data["shell"]; !isSet { + errs = append(errs, "\"shell\" is not set") + } else if str, isTyp := iface.(string); !isTyp { + errs = append(errs, "\"shell\" is not a string") + } else { + ret.passwd.Shell = str + } + + if iface, isSet := data["groups"]; !isSet { + ret.groups = make([]string, 0) + } else if ary, isTyp := iface.([]interface{}); !isTyp { + errs = append(errs, "\"groups\" is not an array") + } else { + groups := make(map[string]bool, len(ary)) + e := false + for _, iface := range ary { + if str, isTyp := iface.(string); !isTyp { + errs = append(errs, "\"group\" item is not an array") + e = true + break + } else { + groups[str] = true + } + } + if !e { + ret.groups = set2list(groups) + } + } + } + if len(errs) > 0 { + err = &yaml.TypeError{Errors: errs} + } + + ret.passwd.PwHash = parse_user_password(ret.passwd.HomeDir + "/.password") + ret.passwd.GID = usersGid + + return +} + +func parse_user_password(filename string) (hash string) { + hash = "!" + file, err := os.Open(filename) + if err != nil { + logger.Debug("hackers.git: %v", err) + return + } + contents, err := ioutil.ReadAll(file) + if err != nil { + logger.Debug("hackers.git: Error while reading: %q: %v", filename, err) + return + } + lines := strings.Split(string(contents), "\n") + switch len(lines) { + case 1: + hash = lines[0] + case 2: + if lines[1] == "" { + hash = lines[0] + } else { + logger.Debug("hackers.git: Invalid password format in file: %q", filename) + } + default: + logger.Debug("hackers.git: Invalid password format in file: %q", filename) + } + return +} diff --git a/src/parabola_hackers/nslcd_backend/set.go b/src/parabola_hackers/nslcd_backend/set.go new file mode 100644 index 0000000..7a01c01 --- /dev/null +++ b/src/parabola_hackers/nslcd_backend/set.go @@ -0,0 +1,27 @@ +// Copyright 2015 Luke Shumaker . +// +// 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 +// . + +package hackers_nslcd_backend + +func set2list(set map[string]bool) []string { + list := make([]string, len(set)) + i := uint(0) + for item, _ := range set { + list[i] = item + i++ + } + return list +} -- cgit v1.2.3-54-g00ecf