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/*
Unix SMB / CIFS implementation .
async implementation of WINBINDD_GETPWNAM
Copyright ( C ) Volker Lendecke 2009
This program 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 3 of the License , or
( at your option ) any later version .
This program 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 program . If not , see < http : //www.gnu.org/licenses/>.
*/
# include "includes.h"
# include "winbindd.h"
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# include "passdb/lookup_sid.h" /* only for LOOKUP_NAME_NO_NSS flag */
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# include "libcli/security/dom_sid.h"
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struct winbindd_getpwnam_state {
struct tevent_context * ev ;
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char * namespace ;
char * domname ;
char * username ;
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struct dom_sid sid ;
enum lsa_SidType type ;
struct winbindd_pw pw ;
} ;
static void winbindd_getpwnam_lookupname_done ( struct tevent_req * subreq ) ;
static void winbindd_getpwnam_done ( struct tevent_req * subreq ) ;
struct tevent_req * winbindd_getpwnam_send ( TALLOC_CTX * mem_ctx ,
struct tevent_context * ev ,
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struct winbindd_cli_state * cli ,
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struct winbindd_request * request )
{
struct tevent_req * req , * subreq ;
struct winbindd_getpwnam_state * state ;
char * domuser , * mapped_user ;
NTSTATUS status ;
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bool ok ;
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req = tevent_req_create ( mem_ctx , & state ,
struct winbindd_getpwnam_state ) ;
if ( req = = NULL ) {
return NULL ;
}
state - > ev = ev ;
/* Ensure null termination */
request - > data . username [ sizeof ( request - > data . username ) - 1 ] = ' \0 ' ;
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D_NOTICE ( " [%s (%u)] Winbind external command GETPWNAM start. \n "
" Query username '%s'. \n " ,
cli - > client_name ,
( unsigned int ) cli - > pid ,
request - > data . username ) ;
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domuser = request - > data . username ;
status = normalize_name_unmap ( state , domuser , & mapped_user ) ;
if ( NT_STATUS_IS_OK ( status )
| | NT_STATUS_EQUAL ( status , NT_STATUS_FILE_RENAMED ) ) {
/* normalize_name_unmapped did something */
domuser = mapped_user ;
}
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ok = parse_domain_user ( state ,
domuser ,
& state - > namespace ,
& state - > domname ,
& state - > username ) ;
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if ( ! ok ) {
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D_WARNING ( " Could not parse domain user: %s \n " , domuser ) ;
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tevent_req_nterror ( req , NT_STATUS_INVALID_PARAMETER ) ;
return tevent_req_post ( req , ev ) ;
}
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subreq = wb_lookupname_send ( state , ev ,
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state - > namespace ,
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state - > domname ,
state - > username ,
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LOOKUP_NAME_NO_NSS ) ;
if ( tevent_req_nomem ( subreq , req ) ) {
return tevent_req_post ( req , ev ) ;
}
tevent_req_set_callback ( subreq , winbindd_getpwnam_lookupname_done ,
req ) ;
return req ;
}
static void winbindd_getpwnam_lookupname_done ( struct tevent_req * subreq )
{
struct tevent_req * req = tevent_req_callback_data (
subreq , struct tevent_req ) ;
struct winbindd_getpwnam_state * state = tevent_req_data (
req , struct winbindd_getpwnam_state ) ;
NTSTATUS status ;
status = wb_lookupname_recv ( subreq , & state - > sid , & state - > type ) ;
TALLOC_FREE ( subreq ) ;
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if ( NT_STATUS_IS_OK ( status ) & & state - > type = = SID_NAME_UNKNOWN ) {
status = NT_STATUS_NONE_MAPPED ;
}
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if ( tevent_req_nterror ( req , status ) ) {
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return ;
}
subreq = wb_getpwsid_send ( state , state - > ev , & state - > sid , & state - > pw ) ;
if ( tevent_req_nomem ( subreq , req ) ) {
return ;
}
tevent_req_set_callback ( subreq , winbindd_getpwnam_done , req ) ;
}
static void winbindd_getpwnam_done ( struct tevent_req * subreq )
{
struct tevent_req * req = tevent_req_callback_data (
subreq , struct tevent_req ) ;
NTSTATUS status ;
status = wb_getpwsid_recv ( subreq ) ;
TALLOC_FREE ( subreq ) ;
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if ( tevent_req_nterror ( req , status ) ) {
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return ;
}
tevent_req_done ( req ) ;
}
NTSTATUS winbindd_getpwnam_recv ( struct tevent_req * req ,
struct winbindd_response * response )
{
struct winbindd_getpwnam_state * state = tevent_req_data (
req , struct winbindd_getpwnam_state ) ;
NTSTATUS status ;
if ( tevent_req_is_nterror ( req , & status ) ) {
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struct dom_sid_buf buf ;
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D_WARNING ( " Could not convert sid %s: %s \n " ,
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dom_sid_str_buf ( & state - > sid , & buf ) ,
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nt_errstr ( status ) ) ;
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return status ;
}
response - > data . pw = state - > pw ;
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D_NOTICE ( " Winbind external command GETPWNAM end. \n "
" (name:passwd:uid:gid:gecos:dir:shell) \n "
" %s:%s:%u:%u:%s:%s:%s \n " ,
state - > pw . pw_name ,
state - > pw . pw_passwd ,
( unsigned int ) state - > pw . pw_uid ,
( unsigned int ) state - > pw . pw_gid ,
state - > pw . pw_gecos ,
state - > pw . pw_dir ,
state - > pw . pw_shell
) ;
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return NT_STATUS_OK ;
}