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mirror of https://github.com/samba-team/samba.git synced 2025-01-12 09:18:10 +03:00

r24737: Remove older TODO: Convert internal_resolve_name() and friends to NTSTATUS.

Guenther
This commit is contained in:
Günther Deschner 2007-08-28 14:20:53 +00:00 committed by Gerald (Jerry) Carter
parent f62292c5a1
commit 8300aac494
4 changed files with 140 additions and 101 deletions

View File

@ -1847,7 +1847,8 @@ struct cli_state *get_ipc_connect_master_ip_bcast(pstring workgroup, struct user
/* Go looking for workgroups by broadcasting on the local network */
if (!name_resolve_bcast(MSBROWSE, 1, &ip_list, &count)) {
if (!NT_STATUS_IS_OK(name_resolve_bcast(MSBROWSE, 1, &ip_list,
&count))) {
DEBUG(99, ("No master browsers responded\n"));
return False;
}

View File

@ -777,17 +777,18 @@ static BOOL convert_ip2service( struct ip_service **return_iplist, struct in_add
Resolve via "bcast" method.
*********************************************************/
BOOL name_resolve_bcast(const char *name, int name_type,
struct ip_service **return_iplist, int *return_count)
NTSTATUS name_resolve_bcast(const char *name, int name_type,
struct ip_service **return_iplist,
int *return_count)
{
int sock, i;
int num_interfaces = iface_count();
struct in_addr *ip_list;
BOOL ret;
NTSTATUS status;
if (lp_disable_netbios()) {
DEBUG(5,("name_resolve_bcast(%s#%02x): netbios is disabled\n", name, name_type));
return False;
return NT_STATUS_INVALID_PARAMETER;
}
*return_iplist = NULL;
@ -802,7 +803,7 @@ BOOL name_resolve_bcast(const char *name, int name_type,
sock = open_socket_in( SOCK_DGRAM, 0, 3,
interpret_addr(lp_socket_address()), True );
if (sock == -1) return False;
if (sock == -1) return NT_STATUS_UNSUCCESSFUL;
set_socket_options(sock,"SO_BROADCAST");
/*
@ -823,33 +824,34 @@ BOOL name_resolve_bcast(const char *name, int name_type,
/* failed - no response */
close(sock);
return False;
return NT_STATUS_UNSUCCESSFUL;
success:
ret = True;
status = NT_STATUS_OK;
if ( !convert_ip2service(return_iplist, ip_list, *return_count) )
ret = False;
status = NT_STATUS_INVALID_PARAMETER;
SAFE_FREE( ip_list );
close(sock);
return ret;
return status;
}
/********************************************************
Resolve via "wins" method.
*********************************************************/
BOOL resolve_wins(const char *name, int name_type,
struct ip_service **return_iplist, int *return_count)
NTSTATUS resolve_wins(const char *name, int name_type,
struct ip_service **return_iplist,
int *return_count)
{
int sock, t, i;
char **wins_tags;
struct in_addr src_ip, *ip_list = NULL;
BOOL ret;
NTSTATUS status;
if (lp_disable_netbios()) {
DEBUG(5,("resolve_wins(%s#%02x): netbios is disabled\n", name, name_type));
return False;
return NT_STATUS_INVALID_PARAMETER;
}
*return_iplist = NULL;
@ -859,7 +861,7 @@ BOOL resolve_wins(const char *name, int name_type,
if (wins_srv_count() < 1) {
DEBUG(3,("resolve_wins: WINS server resolution selected and no WINS servers listed.\n"));
return False;
return NT_STATUS_INVALID_PARAMETER;
}
/* we try a lookup on each of the WINS tags in turn */
@ -867,7 +869,7 @@ BOOL resolve_wins(const char *name, int name_type,
if (!wins_tags) {
/* huh? no tags?? give up in disgust */
return False;
return NT_STATUS_INVALID_PARAMETER;
}
/* the address we will be sending from */
@ -924,26 +926,27 @@ BOOL resolve_wins(const char *name, int name_type,
}
wins_srv_tags_free(wins_tags);
return False;
return NT_STATUS_NO_LOGON_SERVERS;
success:
ret = True;
status = NT_STATUS_OK;
if ( !convert_ip2service( return_iplist, ip_list, *return_count ) )
ret = False;
status = NT_STATUS_INVALID_PARAMETER;
SAFE_FREE( ip_list );
wins_srv_tags_free(wins_tags);
close(sock);
return ret;
return status;
}
/********************************************************
Resolve via "lmhosts" method.
*********************************************************/
static BOOL resolve_lmhosts(const char *name, int name_type,
struct ip_service **return_iplist, int *return_count)
static NTSTATUS resolve_lmhosts(const char *name, int name_type,
struct ip_service **return_iplist,
int *return_count)
{
/*
* "lmhosts" means parse the local lmhosts file.
@ -953,7 +956,7 @@ static BOOL resolve_lmhosts(const char *name, int name_type,
pstring lmhost_name;
int name_type2;
struct in_addr return_ip;
BOOL result = False;
NTSTATUS status = NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
*return_iplist = NULL;
*return_count = 0;
@ -963,7 +966,7 @@ static BOOL resolve_lmhosts(const char *name, int name_type,
fp = startlmhosts(dyn_LMHOSTSFILE);
if ( fp == NULL )
return False;
return NT_STATUS_NO_SUCH_FILE;
while (getlmhostsent(fp, lmhost_name, &name_type2, &return_ip))
{
@ -980,7 +983,7 @@ static BOOL resolve_lmhosts(const char *name, int name_type,
if ((*return_iplist) == NULL) {
endlmhosts(fp);
DEBUG(3,("resolve_lmhosts: malloc fail !\n"));
return False;
return NT_STATUS_NO_MEMORY;
}
(*return_iplist)[*return_count].ip = return_ip;
@ -988,7 +991,7 @@ static BOOL resolve_lmhosts(const char *name, int name_type,
*return_count += 1;
/* we found something */
result = True;
status = NT_STATUS_OK;
/* Multiple names only for DC lookup */
if (name_type != 0x1c)
@ -997,7 +1000,7 @@ static BOOL resolve_lmhosts(const char *name, int name_type,
endlmhosts(fp);
return result;
return status;
}
@ -1005,8 +1008,9 @@ static BOOL resolve_lmhosts(const char *name, int name_type,
Resolve via "hosts" method.
*********************************************************/
static BOOL resolve_hosts(const char *name, int name_type,
struct ip_service **return_iplist, int *return_count)
static NTSTATUS resolve_hosts(const char *name, int name_type,
struct ip_service **return_iplist,
int *return_count)
{
/*
* "host" means do a localhost, or dns lookup.
@ -1015,7 +1019,7 @@ static BOOL resolve_hosts(const char *name, int name_type,
if ( name_type != 0x20 && name_type != 0x0) {
DEBUG(5, ("resolve_hosts: not appropriate for name type <0x%x>\n", name_type));
return False;
return NT_STATUS_INVALID_PARAMETER;
}
*return_iplist = NULL;
@ -1029,23 +1033,24 @@ static BOOL resolve_hosts(const char *name, int name_type,
*return_iplist = SMB_MALLOC_P(struct ip_service);
if(*return_iplist == NULL) {
DEBUG(3,("resolve_hosts: malloc fail !\n"));
return False;
return NT_STATUS_NO_MEMORY;
}
(*return_iplist)->ip = return_ip;
(*return_iplist)->port = PORT_NONE;
*return_count = 1;
return True;
return NT_STATUS_OK;
}
return False;
return NT_STATUS_UNSUCCESSFUL;
}
/********************************************************
Resolve via "ADS" method.
*********************************************************/
static BOOL resolve_ads(const char *name, int name_type,
const char *sitename,
struct ip_service **return_iplist, int *return_count)
NTSTATUS resolve_ads(const char *name, int name_type,
const char *sitename,
struct ip_service **return_iplist,
int *return_count)
{
int i, j;
NTSTATUS status;
@ -1054,25 +1059,36 @@ static BOOL resolve_ads(const char *name, int name_type,
int numdcs = 0;
int numaddrs = 0;
if ((name_type != 0x1c) && (name_type != KDC_NAME_TYPE))
return False;
DEBUG(5,("resolve_ads: Attempting to resolve DC's for %s using DNS\n",
name));
if ( (ctx = talloc_init("resolve_ads")) == NULL ) {
DEBUG(0,("resolve_ads: talloc_init() failed!\n"));
return False;
if ((name_type != 0x1c) && (name_type != KDC_NAME_TYPE)) {
return NT_STATUS_INVALID_PARAMETER;
}
if (name_type == KDC_NAME_TYPE) {
status = ads_dns_query_kdcs(ctx, name, sitename, &dcs, &numdcs);
} else {
status = ads_dns_query_dcs(ctx, name, sitename, &dcs, &numdcs);
if ( (ctx = talloc_init("resolve_ads")) == NULL ) {
DEBUG(0,("resolve_ads: talloc_init() failed!\n"));
return NT_STATUS_NO_MEMORY;
}
switch (name_type) {
case 0x1c:
DEBUG(5,("resolve_ads: Attempting to resolve "
"DCs for %s using DNS\n", name));
status = ads_dns_query_dcs(ctx, name, sitename, &dcs,
&numdcs);
break;
case KDC_NAME_TYPE:
DEBUG(5,("resolve_ads: Attempting to resolve "
"KDCs for %s using DNS\n", name));
status = ads_dns_query_kdcs(ctx, name, sitename, &dcs,
&numdcs);
break;
default:
status = NT_STATUS_INVALID_PARAMETER;
break;
}
if ( !NT_STATUS_IS_OK( status ) ) {
talloc_destroy(ctx);
return False;
return status;
}
for (i=0;i<numdcs;i++) {
@ -1082,7 +1098,7 @@ static BOOL resolve_ads(const char *name, int name_type,
if ( (*return_iplist = SMB_MALLOC_ARRAY(struct ip_service, numaddrs)) == NULL ) {
DEBUG(0,("resolve_ads: malloc failed for %d entries\n", numaddrs ));
talloc_destroy(ctx);
return False;
return NT_STATUS_NO_MEMORY;
}
/* now unroll the list of IP addresses */
@ -1126,7 +1142,7 @@ static BOOL resolve_ads(const char *name, int name_type,
}
talloc_destroy(ctx);
return True;
return NT_STATUS_OK;
}
/*******************************************************************
@ -1140,10 +1156,10 @@ static BOOL resolve_ads(const char *name, int name_type,
resolve_hosts() when looking up DC's via SRV RR entries in DNS
**********************************************************************/
BOOL internal_resolve_name(const char *name, int name_type,
const char *sitename,
struct ip_service **return_iplist,
int *return_count, const char *resolve_order)
NTSTATUS internal_resolve_name(const char *name, int name_type,
const char *sitename,
struct ip_service **return_iplist,
int *return_count, const char *resolve_order)
{
pstring name_resolve_list;
fstring tok;
@ -1151,7 +1167,7 @@ BOOL internal_resolve_name(const char *name, int name_type,
BOOL allones = (strcmp(name,"255.255.255.255") == 0);
BOOL allzeros = (strcmp(name,"0.0.0.0") == 0);
BOOL is_address = is_ipaddress(name);
BOOL result = False;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
int i;
*return_iplist = NULL;
@ -1164,7 +1180,7 @@ BOOL internal_resolve_name(const char *name, int name_type,
if ( (*return_iplist = SMB_MALLOC_P(struct ip_service)) == NULL ) {
DEBUG(0,("internal_resolve_name: malloc fail !\n"));
return False;
return NT_STATUS_NO_MEMORY;
}
if(is_address) {
@ -1175,27 +1191,31 @@ BOOL internal_resolve_name(const char *name, int name_type,
if (((*return_iplist)->ip.s_addr = inet_addr(name)) == 0xFFFFFFFF ){
DEBUG(1,("internal_resolve_name: inet_addr failed on %s\n", name));
SAFE_FREE(*return_iplist);
return False;
return NT_STATUS_INVALID_PARAMETER;
}
} else {
(*return_iplist)->ip.s_addr = allones ? 0xFFFFFFFF : 0;
}
*return_count = 1;
return True;
return NT_STATUS_OK;
}
/* Check name cache */
if (namecache_fetch(name, name_type, return_iplist, return_count)) {
/* This could be a negative response */
return (*return_count > 0);
if (*return_count > 0) {
return NT_STATUS_OK;
} else {
return NT_STATUS_UNSUCCESSFUL;
}
}
/* set the name resolution order */
if ( strcmp( resolve_order, "NULL") == 0 ) {
DEBUG(8,("internal_resolve_name: all lookups disabled\n"));
return False;
return NT_STATUS_INVALID_PARAMETER;
}
if ( !resolve_order ) {
@ -1214,44 +1234,55 @@ BOOL internal_resolve_name(const char *name, int name_type,
while (next_token(&ptr, tok, LIST_SEP, sizeof(tok))) {
if((strequal(tok, "host") || strequal(tok, "hosts"))) {
if (resolve_hosts(name, name_type, return_iplist, return_count)) {
result = True;
status = resolve_hosts(name, name_type, return_iplist,
return_count);
if (NT_STATUS_IS_OK(status)) {
goto done;
}
} else if(strequal( tok, "kdc")) {
/* deal with KDC_NAME_TYPE names here. This will result in a
SRV record lookup */
if (resolve_ads(name, KDC_NAME_TYPE, sitename, return_iplist, return_count)) {
result = True;
status = resolve_ads(name, KDC_NAME_TYPE, sitename,
return_iplist, return_count);
if (NT_STATUS_IS_OK(status)) {
/* Ensure we don't namecache this with the KDC port. */
name_type = KDC_NAME_TYPE;
goto done;
}
} else if(strequal( tok, "ads")) {
/* deal with 0x1c names here. This will result in a
/* deal with 0x1c and 0x1b names here. This will result in a
SRV record lookup */
if (resolve_ads(name, name_type, sitename, return_iplist, return_count)) {
result = True;
status = resolve_ads(name, name_type, sitename,
return_iplist, return_count);
if (NT_STATUS_IS_OK(status)) {
goto done;
}
} else if(strequal( tok, "lmhosts")) {
if (resolve_lmhosts(name, name_type, return_iplist, return_count)) {
result = True;
status = resolve_lmhosts(name, name_type,
return_iplist, return_count);
if (NT_STATUS_IS_OK(status)) {
goto done;
}
} else if(strequal( tok, "wins")) {
/* don't resolve 1D via WINS */
if (name_type != 0x1D && resolve_wins(name, name_type, return_iplist, return_count)) {
result = True;
goto done;
if (name_type != 0x1D) {
status = resolve_wins(name, name_type,
return_iplist,
return_count);
if (NT_STATUS_IS_OK(status)) {
goto done;
}
}
} else if(strequal( tok, "bcast")) {
if (name_resolve_bcast(name, name_type, return_iplist, return_count)) {
result = True;
status = name_resolve_bcast(name, name_type,
return_iplist,
return_count);
if (NT_STATUS_IS_OK(status)) {
goto done;
}
} else {
DEBUG(0,("resolve_name: unknown name switch type %s\n", tok));
DEBUG(0,("resolve_name: unknown name switch type %s\n",
tok));
}
}
@ -1260,7 +1291,7 @@ BOOL internal_resolve_name(const char *name, int name_type,
SAFE_FREE(*return_iplist);
*return_count = 0;
return False;
return NT_STATUS_UNSUCCESSFUL;
done:
@ -1293,7 +1324,7 @@ BOOL internal_resolve_name(const char *name, int name_type,
DEBUG(10, ("\n"));
}
return result;
return status;
}
/********************************************************
@ -1315,7 +1346,9 @@ BOOL resolve_name(const char *name, struct in_addr *return_ip, int name_type)
return True;
}
if (internal_resolve_name(name, name_type, sitename, &ip_list, &count, lp_name_resolve_order())) {
if (NT_STATUS_IS_OK(internal_resolve_name(name, name_type, sitename,
&ip_list, &count,
lp_name_resolve_order()))) {
int i;
/* only return valid addresses for TCP connections */
@ -1346,18 +1379,24 @@ BOOL find_master_ip(const char *group, struct in_addr *master_ip)
{
struct ip_service *ip_list = NULL;
int count = 0;
NTSTATUS status;
if (lp_disable_netbios()) {
DEBUG(5,("find_master_ip(%s): netbios is disabled\n", group));
return False;
}
if (internal_resolve_name(group, 0x1D, NULL, &ip_list, &count, lp_name_resolve_order())) {
status = internal_resolve_name(group, 0x1D, NULL, &ip_list, &count,
lp_name_resolve_order());
if (NT_STATUS_IS_OK(status)) {
*master_ip = ip_list[0].ip;
SAFE_FREE(ip_list);
return True;
}
if(internal_resolve_name(group, 0x1B, NULL, &ip_list, &count, lp_name_resolve_order())) {
status = internal_resolve_name(group, 0x1B, NULL, &ip_list, &count,
lp_name_resolve_order());
if (NT_STATUS_IS_OK(status)) {
*master_ip = ip_list[0].ip;
SAFE_FREE(ip_list);
return True;
@ -1376,10 +1415,14 @@ BOOL get_pdc_ip(const char *domain, struct in_addr *ip)
{
struct ip_service *ip_list = NULL;
int count = 0;
NTSTATUS status = NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
/* Look up #1B name */
if (!internal_resolve_name(domain, 0x1b, NULL, &ip_list, &count, lp_name_resolve_order())) {
status = internal_resolve_name(domain, 0x1b, NULL, &ip_list,
&count,
lp_name_resolve_order());
if (!NT_STATUS_IS_OK(status)) {
return False;
}
@ -1423,6 +1466,7 @@ static NTSTATUS get_dc_list(const char *domain, const char *sitename, struct ip_
struct ip_service *auto_ip_list = NULL;
BOOL done_auto_lookup = False;
int auto_count = 0;
NTSTATUS status;
*ordered = False;
@ -1471,14 +1515,8 @@ static NTSTATUS get_dc_list(const char *domain, const char *sitename, struct ip_
if ( !*pserver ) {
DEBUG(10,("get_dc_list: no preferred domain controllers.\n"));
/* TODO: change return type of internal_resolve_name to
* NTSTATUS */
if (internal_resolve_name(domain, 0x1C, sitename, ip_list, count,
resolve_order)) {
return NT_STATUS_OK;
} else {
return NT_STATUS_NO_LOGON_SERVERS;
}
return internal_resolve_name(domain, 0x1C, sitename, ip_list,
count, resolve_order);
}
DEBUG(3,("get_dc_list: preferred server list: \"%s\"\n", pserver ));
@ -1493,9 +1531,13 @@ static NTSTATUS get_dc_list(const char *domain, const char *sitename, struct ip_
p = pserver;
while (next_token(&p,name,LIST_SEP,sizeof(name))) {
if (strequal(name, "*")) {
if (internal_resolve_name(domain, 0x1C, sitename, &auto_ip_list,
&auto_count, resolve_order))
status = internal_resolve_name(domain, 0x1C, sitename,
&auto_ip_list,
&auto_count,
resolve_order);
if (NT_STATUS_IS_OK(status)) {
num_addresses += auto_count;
}
done_auto_lookup = True;
DEBUG(8,("Adding %d DC's from auto lookup\n", auto_count));
} else {
@ -1512,12 +1554,8 @@ static NTSTATUS get_dc_list(const char *domain, const char *sitename, struct ip_
SAFE_FREE(auto_ip_list);
return NT_STATUS_NO_LOGON_SERVERS;
}
if (internal_resolve_name(domain, 0x1C, sitename, ip_list, count,
resolve_order)) {
return NT_STATUS_OK;
} else {
return NT_STATUS_NO_LOGON_SERVERS;
}
return internal_resolve_name(domain, 0x1C, sitename, ip_list,
count, resolve_order);
}
if ( (return_iplist = SMB_MALLOC_ARRAY(struct ip_service, num_addresses)) == NULL ) {

View File

@ -93,7 +93,7 @@ static struct in_addr *lookup_byname_backend(const char *name, int *count)
*count = 0;
/* always try with wins first */
if (resolve_wins(name,0x20,&ret,count)) {
if (NT_STATUS_IS_OK(resolve_wins(name,0x20,&ret,count))) {
if ( *count == 0 )
return NULL;
if ( (return_ip = SMB_MALLOC_ARRAY(struct in_addr, *count)) == NULL ) {

View File

@ -103,7 +103,7 @@ static struct in_addr *lookup_byname_backend(const char *name, int *count)
*count = 0;
/* always try with wins first */
if (resolve_wins(name,0x00,&address,count)) {
if (NT_STATUS_IS_OK(resolve_wins(name,0x00,&address,count))) {
if ( (ret = SMB_MALLOC_P(struct in_addr)) == NULL ) {
free( address );
return NULL;