diff options
Diffstat (limited to 'src/nslcd')
| -rw-r--r-- | src/nslcd/proto/.gitignore | 4 | ||||
| -rw-r--r-- | src/nslcd/proto/Makefile | 59 | ||||
| -rw-r--r-- | src/nslcd/proto/doc.go | 22 | ||||
| -rw-r--r-- | src/nslcd/proto/io.go | 172 | ||||
| -rw-r--r-- | src/nslcd/proto/nslcd_h.go | 454 | ||||
| -rw-r--r-- | src/nslcd/proto/server/doc.go | 23 | ||||
| -rwxr-xr-x | src/nslcd/proto/server/func_handlerequest.go.sh | 101 | ||||
| -rwxr-xr-x | src/nslcd/proto/server/interface_backend.go.sh | 39 | ||||
| -rwxr-xr-x | src/nslcd/proto/server/type_nilbackend.go.sh | 40 | ||||
| -rw-r--r-- | src/nslcd/systemd/disable_nss_module.go | 59 | ||||
| -rw-r--r-- | src/nslcd/systemd/nslcd_systemd.go | 164 |
11 files changed, 0 insertions, 1137 deletions
diff --git a/src/nslcd/proto/.gitignore b/src/nslcd/proto/.gitignore deleted file mode 100644 index b3f9749..0000000 --- a/src/nslcd/proto/.gitignore +++ /dev/null @@ -1,4 +0,0 @@ -/requests.txt -/server/func_handlerequest.go -/server/interface_backend.go -/server/type_nilbackend.go diff --git a/src/nslcd/proto/Makefile b/src/nslcd/proto/Makefile deleted file mode 100644 index e4730d5..0000000 --- a/src/nslcd/proto/Makefile +++ /dev/null @@ -1,59 +0,0 @@ -# Copyright (C) 2015 Luke Shumaker <lukeshu@sbcglobal.net> -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library 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 -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -# 02110-1301 USA - -d := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST)))) - -generate += $d/server/interface_backend.go -generate += $d/server/func_handlerequest.go -generate += $d/server/type_nilbackend.go -secondary += $d/requests.txt - -ifeq (1,$(words $(MAKEFILE_LIST))) - -all: generate -.PHONY: all - -generate: $(generate) -.PHONY: generate - -clean: - rm -f -- $(secondary) -.PHONY: clean -maintainer-clean: clean - rm -f -- $(generate) -.PHONY: maintainer-clean - -.DELETE_ON_ERROR: -.SECONDARY: - -else - -# fix these to the current value of `d` -generate := $(generate) -secondary := $(secondary) - -endif - -$d/requests.txt: $d/nslcd_h.go $d/Makefile - < $< grep -Eo '\btype Request_([^_ ]+)(_\S+)?' | sed 's/^type Request_//' > $@ - -%.go: %.go.sh - ./$^ > $@ - -$d/server/interface_backend.go: $d/requests.txt -$d/server/func_handlerequest.go: $d/requests.txt -$d/server/type_nilbackend.go: $d/server/interface_backend.go diff --git a/src/nslcd/proto/doc.go b/src/nslcd/proto/doc.go deleted file mode 100644 index 70929f3..0000000 --- a/src/nslcd/proto/doc.go +++ /dev/null @@ -1,22 +0,0 @@ -// Copyright (C) 2015 Luke Shumaker <lukeshu@sbcglobal.net> -// -// This library is free software; you can redistribute it and/or -// modify it under the terms of the GNU Lesser General Public -// License as published by the Free Software Foundation; either -// version 2.1 of the License, or (at your option) any later version. -// -// This library 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 -// Lesser General Public License for more details. -// -// You should have received a copy of the GNU Lesser General Public -// License along with this library; if not, write to the Free Software -// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -// 02110-1301 USA - -// Package nslcd_proto implements the nslcd protocol of nss-pam-ldapd. -// -// The godoc documentation for this packages isn't very good; you -// should look at the source file nslcd_h.go. -package nslcd_proto diff --git a/src/nslcd/proto/io.go b/src/nslcd/proto/io.go deleted file mode 100644 index 3c0c5be..0000000 --- a/src/nslcd/proto/io.go +++ /dev/null @@ -1,172 +0,0 @@ -// Copyright (C) 2015 Luke Shumaker <lukeshu@sbcglobal.net> -// -// This library is free software; you can redistribute it and/or -// modify it under the terms of the GNU Lesser General Public -// License as published by the Free Software Foundation; either -// version 2.1 of the License, or (at your option) any later version. -// -// This library 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 -// Lesser General Public License for more details. -// -// You should have received a copy of the GNU Lesser General Public -// License along with this library; if not, write to the Free Software -// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -// 02110-1301 USA - -package nslcd_proto - -import ( - "encoding/binary" - "fmt" - "io" - "net" - "reflect" - "syscall" -) - -type NslcdError string - -func (o NslcdError) Error() string { - return string(o) -} - -type nslcdObject interface { - nslcdWrite(fd io.Writer) -} - -type nslcdObjectPtr interface { - nslcdRead(fd io.Reader) -} - -// Write an object to a stream. In the event of an error, this -// function may panic! Handle it! -func Write(fd io.Writer, data interface{}) { - switch data := data.(type) { - // basic data types - case nslcdObject: - data.nslcdWrite(fd) - case []byte: - _, err := fd.Write(data) - if err != nil { - panic(err) - } - case int32: - err := binary.Write(fd, binary.BigEndian, data) - if err != nil { - panic(err) - } - // composite datatypes - case string: - Write(fd, int32(len(data))) - Write(fd, []byte(data)) - case []string: - Write(fd, int32(len(data))) - for _, item := range data { - Write(fd, item) - } - case net.IP: - var af int32 = -1 - switch len(data) { - case net.IPv4len: - af = syscall.AF_INET - case net.IPv6len: - af = syscall.AF_INET6 - } - var bytes []byte - if af < 0 { - bytes = make([]byte, 0) - } else { - bytes = data - } - Write(fd, af) - Write(fd, int32(len(bytes))) - Write(fd, bytes) - case []net.IP: - Write(fd, int32(len(data))) - for _, item := range data { - Write(fd, item) - } - default: - v := reflect.ValueOf(data) - switch v.Kind() { - case reflect.Struct: - for i, n := 0, v.NumField(); i < n; i++ { - Write(fd, v.Field(i).Interface()) - } - default: - panic(fmt.Sprintf("Invalid structure to write NSLCD protocol data from: %T ( %#v )", data, data)) - } - } -} - -// Read an object from a stream. In the event of an error, this -// function may panic! Handle it! -func Read(fd io.Reader, data interface{}) { - switch data := data.(type) { - // basic data types - case nslcdObjectPtr: - data.nslcdRead(fd) - case *[]byte: - _, err := fd.Read(*data) - if err != nil { - panic(err) - } - case *int32: - err := binary.Read(fd, binary.BigEndian, data) - if err != nil { - panic(err) - } - // composite datatypes - case *string: - var len int32 - Read(fd, &len) - buf := make([]byte, len) - Read(fd, &buf) - *data = string(buf) - case *[]string: - var num int32 - Read(fd, &num) - *data = make([]string, num) - for i := 0; i < int(num); i++ { - Read(fd, &((*data)[i])) - } - case *net.IP: - var af int32 - Read(fd, &af) - var _len int32 - switch af { - case syscall.AF_INET: - _len = net.IPv4len - case syscall.AF_INET6: - _len = net.IPv6len - default: - panic(NslcdError(fmt.Sprintf("incorrect address family specified: %d", af))) - } - var len int32 - Read(fd, &len) - if len != _len { - panic(NslcdError(fmt.Sprintf("address length incorrect: %d", len))) - } - buf := make([]byte, len) - Read(fd, &buf) - *data = buf - case *[]net.IP: - var num int32 - Read(fd, &num) - *data = make([]net.IP, num) - for i := 0; i < int(num); i++ { - Read(fd, &((*data)[i])) - } - default: - p := reflect.ValueOf(data) - v := reflect.Indirect(p) - if p == v || v.Kind() != reflect.Struct { - panic(fmt.Sprintf("The argument to nslcd_proto/internal.Read() must be a pointer: %T ( %#v )", data, data)) - } - for i, n := 0, v.NumField(); i < n; i++ { - Read(fd, v.Field(i).Addr().Interface()) - } - } -} diff --git a/src/nslcd/proto/nslcd_h.go b/src/nslcd/proto/nslcd_h.go deleted file mode 100644 index cb210cd..0000000 --- a/src/nslcd/proto/nslcd_h.go +++ /dev/null @@ -1,454 +0,0 @@ -// This file is based heavily on nslcd.h from nss-pam-ldapd -// Copyright (C) 2015 Luke Shumaker -/* - nslcd.h - file describing client/server protocol - - Copyright (C) 2006 West Consulting - Copyright (C) 2006, 2007, 2009, 2010, 2011, 2012, 2013 Arthur de Jong - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - 02110-1301 USA -*/ - -package nslcd_proto - -import ( - "fmt" - "io" - "net" -) - -/* - The protocol used between the nslcd client and server is a simple binary - protocol. It is request/response based where the client initiates a - connection, does a single request and closes the connection again. Any - mangled or not understood messages will be silently ignored by the server. - - A request looks like: - INT32 NSLCD_VERSION - INT32 NSLCD_ACTION_* - [request parameters if any] - A response looks like: - INT32 NSLCD_VERSION - INT32 NSLCD_ACTION_* (the original request type) - [result(s)] - INT32 NSLCD_RESULT_END - A single result entry looks like: - NSLCD_RESULT_BEGIN int32 - [result value(s)] - If a response would return multiple values (e.g. for NSLCD_ACTION_*_ALL - functions) each return value will be preceded by a NSLCD_RESULT_BEGIN - value. After the last returned result the server sends - NSLCD_RESULT_END. If some error occurs (e.g. LDAP server unavailable, - error in the request, etc) the server terminates the connection to signal - an error condition (breaking the protocol). - - These are the available basic data types: - INT32 - 32-bit integer value - TYPE - a typed field that is transferred using sizeof() - STRING - a string length (32bit) followed by the string value (not - null-terminted) the string itself is assumed to be UTF-8 - STRINGLIST - a 32-bit number noting the number of strings followed by - the strings one at a time - - Furthermore the ADDRESS compound data type is defined as: - INT32 type of address: e.g. AF_INET or AF_INET6 - INT32 lenght of address - RAW the address itself - With the ADDRESSLIST using the same construct as with STRINGLIST. - - The protocol uses network byte order for all types. -*/ -// These basic data types are implemented in `io.go` - -/* The current version of the protocol. This protocol should only be - updated with major backwards-incompatible changes. */ -const NSLCD_VERSION int32 = 0x00000002 - -/* Get a NSLCD configuration option. There is one request parameter: */ -type Request_Config_Get struct { - Key int32 /* NSLCD_CONFIG_* */ -} -/* the result value is: */ -type Config struct { - Value string /* interpretation depending on request */ -} -const NSLCD_ACTION_CONFIG_GET int32 = 0x00010001 - -const ( - /* return the message, if any, that is presented to the user when password - modification through PAM is prohibited */ - NSLCD_CONFIG_PAM_PASSWORD_PROHIBIT_MESSAGE int32 = 1 -) - -/* Email alias (/etc/aliases) NSS requests. The result values for a - single entry are: */ -type Alias struct { - Name string - Recipients []string -} -const NSLCD_ACTION_ALIAS_BYNAME int32 = 0x00020001; type Request_Alias_ByName struct { Name string } -const NSLCD_ACTION_ALIAS_ALL int32 = 0x00020008; type Request_Alias_All struct {} - -/* Ethernet address/name mapping NSS requests. The result values for a - single entry are: */ -type Ether struct { - Name string - Address [6]byte -} -const NSLCD_ACTION_ETHER_BYNAME int32 = 0x00030001; type Request_Ether_ByName struct { Name string } -const NSLCD_ACTION_ETHER_BYETHER int32 = 0x00030002; type Request_Ether_ByEther struct { Ether [6]byte } -const NSLCD_ACTION_ETHER_ALL int32 = 0x00030008; type Request_Ether_All struct {} - -/* Group and group membership related NSS requests. The result values - for a single entry are: */ -type Group struct { - Name string - PwHash string - ID int32 - Members []string -} -/* (note that the BYMEMER call returns an emtpy members list) */ -const NSLCD_ACTION_GROUP_BYNAME int32 = 0x00040001; type Request_Group_ByName struct { Name string } -const NSLCD_ACTION_GROUP_BYGID int32 = 0x00040002; type Request_Group_ByGid struct { Gid int32 } -const NSLCD_ACTION_GROUP_BYMEMBER int32 = 0x00040006; type Request_Group_ByMember struct { Member string } -const NSLCD_ACTION_GROUP_ALL int32 = 0x00040008; type Request_Group_All struct {} - -/* Hostname (/etc/hosts) lookup NSS requests. The result values - for an entry are: */ -type Host struct { - Name string - Aliases []string - Addresses []net.IP -} -const NSLCD_ACTION_HOST_BYNAME int32 = 0x00050001; type Request_Host_ByName struct { Name string } -const NSLCD_ACTION_HOST_BYADDR int32 = 0x00050002; type Request_Host_ByAddr struct { Addr net.IP } -const NSLCD_ACTION_HOST_ALL int32 = 0x00050008; type Request_Host_All struct {} - -/* Netgroup NSS result entries contain a number of parts. A result entry - starts with: - STRING netgroup name - followed by zero or more references to other netgroups or netgroup - triples. A reference to another netgroup looks like: - INT32 NSLCD_NETGROUP_TYPE_NETGROUP - STRING other netgroup name - A a netgroup triple looks like: - INT32 NSLCD_NETGROUP_TYPE_TRIPLE - STRING host - STRING user - STRING domain - A netgroup result entry is terminated by: - INT32 NSLCD_NETGROUP_TYPE_END - */ -type Netgroup_Netgroup struct { - Name string -} -type Netgroup_Triple struct { - Host string - User string - Domain string -} -type Netgroup_PartList []interface{} -func (data Netgroup_PartList) nslcdWrite(fd io.Writer) { - for _, part := range data { - var t int32 = -1 - switch part.(type) { - case Netgroup_Netgroup: - t = NSLCD_NETGROUP_TYPE_NETGROUP - case Netgroup_Triple: - t = NSLCD_NETGROUP_TYPE_TRIPLE - } - if t < 0 { - panic("unrecognized netgroup type") - } - Write(fd, t) - Write(fd, part) - } - Write(fd, NSLCD_NETGROUP_TYPE_END) -} -func (data *Netgroup_PartList) nslcdRead(fd io.Reader) { - *data = make([]interface{}, 0) - for { - var t int32 - var v interface{} - Read(fd, &t) - switch t { - case NSLCD_NETGROUP_TYPE_NETGROUP: - v = Netgroup_Netgroup{} - case NSLCD_NETGROUP_TYPE_TRIPLE: - v = Netgroup_Triple{} - case NSLCD_NETGROUP_TYPE_END: - return - default: - panic(NslcdError(fmt.Sprintf("unrecognized netgroup type: %#08x", t))) - } - Read(fd, &v) - *data = append(*data, v) - } -} -var _ nslcdObject = Netgroup_PartList{} -var _ nslcdObjectPtr = &Netgroup_PartList{} -type Netgroup struct { - Name string - Parts Netgroup_PartList -} -const NSLCD_ACTION_NETGROUP_BYNAME int32 = 0x00060001; type Request_Netgroup_ByName struct { Name string } -const NSLCD_ACTION_NETGROUP_ALL int32 = 0x00060008; type Request_Netgroup_All struct {} -const ( - NSLCD_NETGROUP_TYPE_NETGROUP int32 = 1 - NSLCD_NETGROUP_TYPE_TRIPLE int32 = 2 - NSLCD_NETGROUP_TYPE_END int32 = 3 -) - -/* Network name (/etc/networks) NSS requests. Result values for a single - entry are: */ -type Network struct { - Name string - Aliases []string - Addresses []net.IP -} -const NSLCD_ACTION_NETWORK_BYNAME int32 = 0x00070001; type Request_Network_ByName struct { Name string } -const NSLCD_ACTION_NETWORK_BYADDR int32 = 0x00070002; type Request_Network_ByAddr struct { Addr net.IP } -const NSLCD_ACTION_NETWORK_ALL int32 = 0x00070008; type Request_Network_All struct {} - -/* User account (/etc/passwd) NSS requests. Result values are: */ -type Passwd struct { - Name string - PwHash string - UID int32 - GID int32 - GECOS string - HomeDir string - Shell string -} -const NSLCD_ACTION_PASSWD_BYNAME int32 = 0x00080001; type Request_Passwd_ByName struct { Name string } -const NSLCD_ACTION_PASSWD_BYUID int32 = 0x00080002; type Request_Passwd_ByUID struct { UID int32 } -const NSLCD_ACTION_PASSWD_ALL int32 = 0x00080008; type Request_Passwd_All struct {} - -/* Protocol information requests. Result values are: */ -type Protocol struct { - Name string - Aliases []string - Number int32 -} -const NSLCD_ACTION_PROTOCOL_BYNAME int32 = 0x00090001; type Request_Protocol_ByName struct { Name string } -const NSLCD_ACTION_PROTOCOL_BYNUMBER int32 = 0x00090002; type Request_Protocol_ByNumber struct { Number int32 } -const NSLCD_ACTION_PROTOCOL_ALL int32 = 0x00090008; type Request_Protocol_All struct {} - -/* RPC information requests. Result values are: */ -type RPC struct { - Name string - Aliases []string - Number int32 -} -const NSLCD_ACTION_RPC_BYNAME int32 = 0x000a0001; type Request_RPC_ByName struct { Name string } -const NSLCD_ACTION_RPC_BYNUMBER int32 = 0x000a0002; type Request_RPC_ByNumber struct { Number int32 } -const NSLCD_ACTION_RPC_ALL int32 = 0x000a0008; type Request_RPC_All struct {} - -/* Service (/etc/services) information requests. The BYNAME and BYNUMBER - requests contain an extra protocol string in the request which, if not - blank, will filter the services by this protocol. Result values are: */ -type Service struct { - Name string - Aliases []string - PortNumber int32 - Protocol string -} -const NSLCD_ACTION_SERVICE_BYNAME int32 = 0x000b0001; type Request_Service_ByName struct { Name string } -const NSLCD_ACTION_SERVICE_BYNUMBER int32 = 0x000b0002; type Request_Service_ByNumber struct { Number int32 } -const NSLCD_ACTION_SERVICE_ALL int32 = 0x000b0008; type Request_Service_All struct {} - -/* Extended user account (/etc/shadow) information requests. Result - values for a single entry are: */ -type Shadow struct { - // It is my understanding that an empty value for an INT32 - // field is expressed with a negative number. -- lukeshu - Name string - PwHash string - LastChangeDate int32 - MinDays int32 - MaxDays int32 - WarnDays int32 - InactDays int32 - ExpireDate int32 - Flag int32 -} -const NSLCD_ACTION_SHADOW_BYNAME int32 = 0x000c0001; type Request_Shadow_ByName struct { Name string } -const NSLCD_ACTION_SHADOW_ALL int32 = 0x000c0008; type Request_Shadow_All struct {} - -/* PAM-related requests. The request parameters for all these requests - begin with: */ -type PAM_Base struct { - UserName string - ServiceName string - RUser string - RHost string - TTY string -} -/* If the user is not known in LDAP no result may be returned (immediately - return NSLCD_RESULT_END instead of a PAM error code). */ - -/* PAM authentication check request. The extra request values are: */ -type Request_PAM_Authentication struct { - PAM_Base - Password string -} -/* and the result value consists of: */ -type PAM_Authentication struct { - AuthenticationResult int32 - UserName string - AuthorizationResult int32 - AuthorizationError string -} -/* If the username is empty in this request an attempt is made to - authenticate as the administrator (set using rootpwmoddn). - Some authorisation checks are already done during authentication so the - response also includes authorisation information. */ -const NSLCD_ACTION_PAM_AUTHENTICATION int32 = 0x000d0001 - -/* PAM authorisation check request. The result value consists of: */ -type PAM_Authorization struct { - Result int32 - Error string -} -/* The authentication check may have already returned some authorisation - information. The authorisation error message, if supplied, will be used - by the PAM module instead of a message that is generated by the PAM - module itself. */ -const NSLCD_ACTION_PAM_AUTHORIZATION int32 = 0x000d0002; type Request_PAM_Authorization PAM_Base - -/* PAM session open request. The result value consists of: */ -type PAM_SessionOpen struct { - SessionID string -} -/* This session id may be used to close this session with. */ -const NSLCD_ACTION_PAM_SESSIONOPEN int32 = 0x000d0003; type Request_PAM_SessionOpen PAM_Base - -/* PAM session close request. This request has the following - extra request value: */ -type Request_PAM_SessionClose struct { - PAM_Base - SessionID string -} -/* and this calls only returns an empty response value. */ -type PAM_SessionClose struct {} -const NSLCD_ACTION_PAM_SESSIONCLOSE int32 = 0x000d0004 - -/* PAM password modification request. This requests has the following extra - request values: */ -type Request_PAM_PwMod struct { - PAM_Base - AsRoot int32 /* 0=oldpasswd is user passwd, 1=oldpasswd is root passwd */ - OldPassword string - NewPassword string -} -/* and returns the result values: */ -type PAM_PwMod struct { - Result int32 - Error string -} -const NSLCD_ACTION_PAM_PWMOD int32 = 0x000d0005 - -/* User information change request. This request allows one to change - their full name and other information. The request parameters for this - request are: - STRING user name - INT32 asroot: 0=passwd is user passwd, 1=passwd is root passwd - STRING password - followed by one or more of the below, terminated by NSLCD_USERMOD_END - INT32 NSLCD_USERMOD_* - STRING new value - the response consists of one or more of the entries below, terminated - by NSLCD_USERMOD_END: - INT32 NSLCD_USERMOD_* - STRING response - (if the response is blank, the change went OK, otherwise the string - contains an error message) - */ -type UserMod_Item struct { - Key int32 - Value string -} -type UserMod_ItemList []UserMod_Item -func (data UserMod_ItemList) nslcdWrite(fd io.Writer) { - for _, item := range data { - Write(fd, item) - } - Write(fd, NSLCD_USERMOD_END) -} -func (data *UserMod_ItemList) nslcdRead(fd io.Reader) { - *data = make([]UserMod_Item, 0) - for { - var t int32 - Read(fd, &t) - if t == NSLCD_USERMOD_END { - return - } - var v UserMod_Item - Read(fd, &v) - *data = append(*data, v) - } -} -var _ nslcdObject = UserMod_ItemList{} -var _ nslcdObjectPtr = &UserMod_ItemList{} -type Request_UserMod struct { - UserName string - AsRoot int32 - Password string - Items UserMod_ItemList -} -type UserMod struct { - Items []UserMod_Item -} -const NSLCD_ACTION_USERMOD int32 = 0x000e0001 - -/* These are the possible values for the NSLCD_ACTION_USERMOD operation - above. */ -const ( - NSLCD_USERMOD_END int32 = 0 /* end of change values */ - NSLCD_USERMOD_RESULT int32 = 1 /* global result value */ - NSLCD_USERMOD_FULLNAME int32 = 2 /* full name */ - NSLCD_USERMOD_ROOMNUMBER int32 = 3 /* room number */ - NSLCD_USERMOD_WORKPHONE int32 = 4 /* office phone number */ - NSLCD_USERMOD_HOMEPHONE int32 = 5 /* home phone number */ - NSLCD_USERMOD_OTHER int32 = 6 /* other info */ - NSLCD_USERMOD_HOMEDIR int32 = 7 /* home directory */ - NSLCD_USERMOD_SHELL int32 = 8 /* login shell */ -) - -/* Request result codes. */ -const ( - NSLCD_RESULT_BEGIN int32 = 1 - NSLCD_RESULT_END int32 = 2 -) - -/* Partial list of PAM result codes. */ -const ( - NSLCD_PAM_SUCCESS int32 = 0 /* everything ok */ - NSLCD_PAM_PERM_DENIED int32 = 6 /* Permission denied */ - NSLCD_PAM_AUTH_ERR int32 = 7 /* Authc failure */ - NSLCD_PAM_CRED_INSUFFICIENT int32 = 8 /* Cannot access authc data */ - NSLCD_PAM_AUTHINFO_UNAVAIL int32 = 9 /* Cannot retrieve authc info */ - NSLCD_PAM_USER_UNKNOWN int32 = 10 /* User not known */ - NSLCD_PAM_MAXTRIES int32 = 11 /* Retry limit reached */ - NSLCD_PAM_NEW_AUTHTOK_REQD int32 = 12 /* Password expired */ - NSLCD_PAM_ACCT_EXPIRED int32 = 13 /* Account expired */ - NSLCD_PAM_SESSION_ERR int32 = 14 /* Cannot make/remove session record */ - NSLCD_PAM_AUTHTOK_ERR int32 = 20 /* Authentication token manipulation error */ - NSLCD_PAM_AUTHTOK_DISABLE_AGING int32 = 23 /* Password aging disabled */ - NSLCD_PAM_IGNORE int32 = 25 /* Ignore module */ - NSLCD_PAM_ABORT int32 = 26 /* Fatal error */ - NSLCD_PAM_AUTHTOK_EXPIRED int32 = 27 /* authentication token has expired */ -) diff --git a/src/nslcd/proto/server/doc.go b/src/nslcd/proto/server/doc.go deleted file mode 100644 index 72ae2fe..0000000 --- a/src/nslcd/proto/server/doc.go +++ /dev/null @@ -1,23 +0,0 @@ -// Copyright (C) 2015 Luke Shumaker <lukeshu@sbcglobal.net> -// -// This library is free software; you can redistribute it and/or -// modify it under the terms of the GNU Lesser General Public -// License as published by the Free Software Foundation; either -// version 2.1 of the License, or (at your option) any later version. -// -// This library 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 -// Lesser General Public License for more details. -// -// You should have received a copy of the GNU Lesser General Public -// License along with this library; if not, write to the Free Software -// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -// 02110-1301 USA - -// Package nslcd_server is a framework for implementing an nslcd -// server. -// -// You write an implementation of the Backend interface, then pass -// that to the HandleRequest function for each connection. -package nslcd_server diff --git a/src/nslcd/proto/server/func_handlerequest.go.sh b/src/nslcd/proto/server/func_handlerequest.go.sh deleted file mode 100755 index 3ef2758..0000000 --- a/src/nslcd/proto/server/func_handlerequest.go.sh +++ /dev/null @@ -1,101 +0,0 @@ -#!/usr/bin/env bash -# -*- Mode: Go -*- -# Copyright (C) 2015 Luke Shumaker <lukeshu@sbcglobal.net> -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library 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 -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -# 02110-1301 USA - -requests=$1 -printf '//' -printf ' %q' "$0" "$@" -printf '\n// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT\n\n' -cat <<EOF | gofmt -package nslcd_server - -import ( - "fmt" - "io" - p "nslcd/proto" - "os" - s "syscall" -) - -// Handle a request to nslcd -func HandleRequest(backend Backend, in io.Reader, out io.Writer, cred s.Ucred) (err error) { - err = nil - defer func() { - if r := recover(); r != nil { - switch r := r.(type) { - case error: - err = r - default: - panic(r) - } - } - }() - handleRequest(backend, in, out, cred) - return -} - -func handleRequest(backend Backend, in io.Reader, out io.Writer, cred s.Ucred) { - var version int32 - p.Read(in, &version) - if version != p.NSLCD_VERSION { - panic(p.NslcdError(fmt.Sprintf("Version mismatch: server=%#08x client=%#08x", p.NSLCD_VERSION, version))) - } - var action int32 - p.Read(in, &action) - - ch := make(chan interface{}) - switch action { -$( -while read -r request; do - cat <<EOT - case p.NSLCD_ACTION_${request^^}: - var req p.Request_${request} - p.Read(in, &req) - $( - if [[ $request == PAM_Authentication ]]; then - echo '_req := req' - echo '_req.Password = "<omitted-from-log>"' - echo 'fmt.Fprintf(os.Stderr, "Request: %#v\n", _req)' - else - echo 'fmt.Fprintf(os.Stderr, "Request: %#v\n", req)' - fi - ) - _ch := backend.${request}(cred, req) - go func() { - defer close(ch) - for obj := range _ch { - ch <- obj - } - }() -EOT -done < "$requests" -) - default: - close(ch) - panic(p.NslcdError(fmt.Sprintf("Unknown request action: %#08x", action))) - } - p.Write(out, p.NSLCD_VERSION) - p.Write(out, action) - - for result := range ch { - p.Write(out, p.NSLCD_RESULT_BEGIN) - p.Write(out, result) - } - p.Write(out, p.NSLCD_RESULT_END) -} -EOF diff --git a/src/nslcd/proto/server/interface_backend.go.sh b/src/nslcd/proto/server/interface_backend.go.sh deleted file mode 100755 index e6eeb66..0000000 --- a/src/nslcd/proto/server/interface_backend.go.sh +++ /dev/null @@ -1,39 +0,0 @@ -#!/usr/bin/env bash -# Copyright (C) 2015 Luke Shumaker <lukeshu@sbcglobal.net> -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library 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 -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -# 02110-1301 USA - -requests=$1 -printf '//' -printf ' %q' "$0" "$@" -printf '\n// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT\n\n' -cat <<EOF | gofmt -package nslcd_server - -import ( - s "syscall" - p "nslcd/proto" -) - -// The Backend interface allows the backend store to be implemented -// separately from the protocol implementation. Each request type -// that the nslcd server may reply to is implemented simply as a -// method that returns a channel of the resulting values. -type Backend interface { - $(sed -rn 's/([^_]+)(.*)/\1\2(s.Ucred, p.Request_\1\2) <-chan p.\1/p' "$requests" | grep -v PAM) - $(sed -rn 's/(PAM)(.*)/\1\2(s.Ucred, p.Request_\1\2) <-chan p.\1\2/p' "$requests") -} -EOF diff --git a/src/nslcd/proto/server/type_nilbackend.go.sh b/src/nslcd/proto/server/type_nilbackend.go.sh deleted file mode 100755 index 17aad63..0000000 --- a/src/nslcd/proto/server/type_nilbackend.go.sh +++ /dev/null @@ -1,40 +0,0 @@ -#!/usr/bin/env bash -# Copyright (C) 2015 Luke Shumaker <lukeshu@sbcglobal.net> -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library 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 -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -# 02110-1301 USA - -interface=$1 -printf '//' -printf ' %q' "$0" "$@" -printf '\n// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT\n\n' -cat <<EOF | gofmt -package nslcd_server - -import ( - p "nslcd/proto" - s "syscall" -) - -// NilBackend implements the Backend interface, but only returns empty -// responses. It is useful to add as an anonymous member of a backend -// implementation that does not return results for all of the -// databases. -type NilBackend struct{} - -$(< "$interface" sed -rn 's/^\t([^(]+)\(s.Ucred, ([^)]+)\) <-chan (\S+)$/func (o NilBackend) \1(s.Ucred, \2) <-chan \3 { r := make(chan \3); close(r); return r }/p') - -var _ Backend = NilBackend{} -EOF diff --git a/src/nslcd/systemd/disable_nss_module.go b/src/nslcd/systemd/disable_nss_module.go deleted file mode 100644 index 24d7f79..0000000 --- a/src/nslcd/systemd/disable_nss_module.go +++ /dev/null @@ -1,59 +0,0 @@ -// Copyright (C) 2015 Luke Shumaker <lukeshu@sbcglobal.net> -// -// This library is free software; you can redistribute it and/or -// modify it under the terms of the GNU Lesser General Public -// License as published by the Free Software Foundation; either -// version 2.1 of the License, or (at your option) any later version. -// -// This library 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 -// Lesser General Public License for more details. -// -// You should have received a copy of the GNU Lesser General Public -// License along with this library; if not, write to the Free Software -// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -// 02110-1301 USA - -package nslcd_systemd - -import ( - "dl" - "sd_daemon/logger" -) - -//static char *strary(char **ary, unsigned int n) { return ary[n]; } -import "C" - -const ( - nss_module_soname = "libnss_ldap.so.2" - nss_module_sym_version = "_nss_ldap_version" - nss_module_sym_enablelookups = "_nss_ldap_enablelookups" -) - -func disable_nss_module() { - handle, err := dl.Open(nss_module_soname, dl.RTLD_LAZY|dl.RTLD_NODELETE) - if err == nil { - defer handle.Close() - } else { - logger.Warning("NSS module %s not loaded: %v", nss_module_soname, err) - return - } - - c_version_info, err := handle.Sym(nss_module_sym_version) - if err == nil { - g_version_info := (**C.char)(c_version_info) - logger.Debug("NSS module %s version %s %s", nss_module_soname, - C.GoString(C.strary(g_version_info, 0)), - C.GoString(C.strary(g_version_info, 1))) - } else { - logger.Warning("NSS module %s version missing: %v", nss_module_soname, err) - } - c_enable_flag, err := handle.Sym(nss_module_sym_enablelookups) - if err != nil { - logger.Warning("Unable to disable NSS ldap module for nslcd process: %v", err) - return - } - g_enable_flag := (*C.int)(c_enable_flag) - *g_enable_flag = 0 -} diff --git a/src/nslcd/systemd/nslcd_systemd.go b/src/nslcd/systemd/nslcd_systemd.go deleted file mode 100644 index 5589627..0000000 --- a/src/nslcd/systemd/nslcd_systemd.go +++ /dev/null @@ -1,164 +0,0 @@ -// Copyright (C) 2015 Luke Shumaker <lukeshu@sbcglobal.net> -// -// This library is free software; you can redistribute it and/or -// modify it under the terms of the GNU Lesser General Public -// License as published by the Free Software Foundation; either -// version 2.1 of the License, or (at your option) any later version. -// -// This library 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 -// Lesser General Public License for more details. -// -// You should have received a copy of the GNU Lesser General Public -// License along with this library; if not, write to the Free Software -// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -// 02110-1301 USA - -// Package nslcd_systemd does the legwork for implementing a systemd -// socket-activated nslcd server. -// -// You just need to implement the Backend interface, then pass it to -// Main, which will return the exit code for the process. Everything -// but the backend is taken care of for you! -// -// package main -// -// import "nslcd/systemd" -// -// func main() { -// backend := ... -// os.Exit(int(nslcd_systemd.Main(backend))) -// } -package nslcd_systemd - -import ( - "fmt" - "net" - "nslcd/proto/server" - "os" - "os/signal" - sd "sd_daemon" - "sd_daemon/logger" - "sd_daemon/lsb" - "sync" - "syscall" -) - -type Backend interface { - nslcd_server.Backend - Init() error - Reload() error - Close() -} - -func get_socket() (socket net.Listener, err error) { - socket = nil - err = nil - fds := sd.ListenFds(true) - if fds == nil { - err = fmt.Errorf("Failed to aquire sockets from systemd") - return - } - if len(fds) != 1 { - err = fmt.Errorf("Wrong number of sockets from systemd: expected %d but got %d", 1, len(fds)) - return - } - socket, err = net.FileListener(fds[0]) - fds[0].Close() - return -} - -func getpeercred(conn *net.UnixConn) (cred syscall.Ucred, err error) { - file, err := conn.File() - if err != nil { - return - } - defer file.Close() - _cred, err := syscall.GetsockoptUcred(int(file.Fd()), syscall.SOL_SOCKET, syscall.SO_PEERCRED) - cred = *_cred - return -} - -func handler(conn *net.UnixConn, backend nslcd_server.Backend) { - defer conn.Close() - cred, err := getpeercred(conn) - if err != nil { - logger.Debug("Connection from unknown client") - } else { - logger.Debug("Connection from pid=%v uid=%v gid=%v", - cred.Pid, cred.Uid, cred.Gid) - } - err = nslcd_server.HandleRequest(backend, conn, conn, cred) - if err != nil { - logger.Notice("Error while handling request: %v", err) - } -} - -func Main(backend Backend) uint8 { - var err error = nil - - sigs := make(chan os.Signal) - signal.Notify(sigs, syscall.SIGTERM, syscall.SIGHUP) - - disable_nss_module() - - err = backend.Init() - if err != nil { - logger.Err("Could not initialize backend: %v", err) - sd.Notify(false, "STOPPING=1") - return lsb.EXIT_FAILURE - } - defer backend.Close() - - socket, err := get_socket() - if err != nil { - logger.Err("%v", err) - sd.Notify(false, "STOPPING=1") - return lsb.EXIT_NOTRUNNING - } - defer socket.Close() - sock := make(chan *net.UnixConn) - go func() { - defer lsb.Recover() - for { - conn, err := socket.Accept() - if err != nil { - logger.Notice("%v", err) - } - if conn != nil { - sock <- conn.(*net.UnixConn) - } - } - }() - - var wg sync.WaitGroup - defer wg.Wait() - defer sd.Notify(false, "STOPPING=1") - sd.Notify(false, "READY=1") - for { - select { - case sig := <-sigs: - switch sig { - case syscall.SIGTERM: - logger.Notice("Received SIGTERM, shutting down") - return lsb.EXIT_SUCCESS - case syscall.SIGHUP: - sd.Notify(false, "RELOADING=1") - err := backend.Reload() - if err != nil { - logger.Notice("Could not reload backend: %s", err.Error()) - return lsb.EXIT_NOTRUNNING - } - sd.Notify(false, "READY=1") - } - case conn := <-sock: - wg.Add(1) - go func() { - defer lsb.Recover() - defer wg.Done() - handler(conn, backend) - }() - } - } -} |