sin/samba-mirror
1
0
Fork 0
mirror of https://github.com/samba-team/samba.git synced 2024-12-22 13:34:15 +03:00
Code

r11036: r10349@SERNOX: metze | 2005-09-20 15:38:31 +0200

Browse Source 
we know answer send_requests correctly

 metze
(This used to be commit aecc9ca1cc)
This commit is contained in:
Stefan Metzmacher 2005-10-14 12:54:26 +00:00 committed by Gerald (Jerry) Carter
parent 681ba379e4
commit 2f54bab951
2 changed files with 175 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
source4/nbt_server/wins/winsdb.c
View File

@ -93,6 +93,46 @@ static struct ldb_dn *winsdb_dn(TALLOC_CTX *mem_ctx, struct nbt_name *name)
return dn;
}
struct nbt_name *winsdb_nbt_name(TALLOC_CTX *mem_ctx, struct ldb_dn *dn)
{
struct nbt_name *name;
uint32_t cur = 0;
name = talloc(mem_ctx, struct nbt_name);
if (!name) goto failed;
if (dn->comp_num > 3) {
goto failed;
}
if (dn->comp_num > cur && strcasecmp("scope", dn->components[cur].name) == 0) {
name->scope = talloc_steal(name, dn->components[cur].value.data);
cur++;
} else {
name->scope = NULL;
}
if (dn->comp_num > cur && strcasecmp("name", dn->components[cur].name) == 0) {
name->name = talloc_steal(name, dn->components[cur].value.data);
cur++;
} else {
name->name = talloc_strdup(name, "");
if (!name->name) goto failed;
}
if (dn->comp_num > cur && strcasecmp("type", dn->components[cur].name) == 0) {
name->type = strtoul((char *)dn->components[cur].value.data, NULL, 16);
cur++;
} else {
goto failed;
}
return name;
failed:
talloc_free(name);
return NULL;
}
/*
decode the winsdb_addr("address") attribute:
"172.31.1.1" or

136
source4/wrepl_server/wrepl_in_call.c
View File

@ -28,8 +28,10 @@
#include "smbd/service_stream.h"
#include "lib/messaging/irpc.h"
#include "librpc/gen_ndr/ndr_winsrepl.h"
#include "librpc/gen_ndr/ndr_nbt.h"
#include "wrepl_server/wrepl_server.h"
#include "nbt_server/wins/winsdb.h"
#include "lib/ldb/include/ldb.h"
static NTSTATUS wreplsrv_in_start_association(struct wreplsrv_in_call *call)
{
@ -147,16 +149,148 @@ static NTSTATUS wreplsrv_in_table_query(struct wreplsrv_in_call *call)
return NT_STATUS_OK;
}
static int wreplsrv_in_sort_wins_name(struct wrepl_wins_name *n1,
struct wrepl_wins_name *n2)
{
if (n1->id < n2->id) return -1;
if (n1->id > n2->id) return 1;
return 0;
}
static NTSTATUS wreplsrv_record2wins_name(TALLOC_CTX *mem_ctx, struct wrepl_wins_name *name, struct winsdb_record *rec)
{
uint8_t *namebuf;
uint32_t namebuf_len;
uint32_t name_len;
name_len = strlen(rec->name->name);
if (name_len > 15) {
return NT_STATUS_INVALID_PARAMETER_MIX;
}
namebuf = (uint8_t *)talloc_asprintf(mem_ctx, "%-15s%c%s",
rec->name->name, rec->name->type,
(rec->name->scope?rec->name->scope:""));
NT_STATUS_HAVE_NO_MEMORY(namebuf);
namebuf_len = strlen((char *)namebuf) + 1;
/* oh wow, what a nasty bug in windows ... */
if (namebuf[15] == 0x1b && namebuf_len >= 16) {
namebuf[15] = namebuf[0];
namebuf[0] = 0x1b;
}
name->name_len = namebuf_len;
name->name = namebuf;
name->id = rec->version;
name->unknown = WINSDB_GROUP_ADDRESS;
name->flags = rec->nb_flags;
name->group_flag = 0;
switch (name->flags & 2) {
case 0:
name->addresses.ip = rec->addresses[0]->address;
talloc_steal(mem_ctx, rec->addresses[0]->address);
break;
case 2:
name->addresses.addresses.num_ips = 0;
name->addresses.addresses.ips = NULL;
break;
}
return NT_STATUS_OK;
}
static NTSTATUS wreplsrv_in_send_request(struct wreplsrv_in_call *call)
{
struct wreplsrv_service *service = call->wreplconn->service;
struct wrepl_wins_owner *owner_in = &call->req_packet.message.replication.info.owner;
struct wrepl_replication *repl_out = &call->rep_packet.message.replication;
struct wrepl_send_reply *reply_out = &call->rep_packet.message.replication.info.reply;
struct wreplsrv_owner local_owner;
struct wreplsrv_owner *owner;
const char *filter;
struct ldb_message **res = NULL;
int ret;
struct wrepl_wins_name *names;
struct winsdb_record *rec;
NTSTATUS status;
uint32_t i;
repl_out->command = WREPL_REPL_SEND_REPLY;
if (strcmp(call->wreplconn->our_ip, owner_in->address) == 0) {
ZERO_STRUCT(local_owner);
local_owner.owner.address = WINSDB_OWNER_LOCAL;
local_owner.owner.min_version = 0;
local_owner.owner.max_version = wreplsrv_local_max_version(service);
local_owner.owner.type = 1;
owner = &local_owner;
} else {
owner = wreplsrv_find_owner(service->table, owner_in->address);
}
repl_out->command = WREPL_REPL_SEND_REPLY;
reply_out->num_names = 0;
reply_out->names = NULL;
/*
* if we didn't know this owner, must be a bug in the partners client code...
* return an empty list.
*/
if (!owner) {
return NT_STATUS_OK;
}
/*
* if the partner ask for nothing, or give invalid ranges,
* return an empty list.
*/
if (owner_in->min_version >= owner_in->max_version) {
return NT_STATUS_OK;
}
/*
* if the partner has already all records for nothing, or give invalid ranges,
* return an empty list.
*/
if (owner_in->min_version >= owner->owner.max_version) {
return NT_STATUS_OK;
}
filter = talloc_asprintf(call, "(&(winsOwner=%s)(objectClass=wins)(active=1)(version>=%llu)(version<=%llu))",
owner->owner.address, owner_in->min_version, owner_in->max_version);
NT_STATUS_HAVE_NO_MEMORY(filter);
ret = ldb_search(service->wins_db, NULL, LDB_SCOPE_SUBTREE, filter, NULL, &res);
if (res != NULL) {
talloc_steal(call, res);
}
if (ret < 0) return NT_STATUS_INTERNAL_DB_CORRUPTION;
if (ret == 0) return NT_STATUS_OK;
names = talloc_array(call, struct wrepl_wins_name, ret);
NT_STATUS_HAVE_NO_MEMORY(names);
for (i=0; i < ret; i++) {
rec = winsdb_record(res[i], call);
NT_STATUS_HAVE_NO_MEMORY(rec);
rec->name = winsdb_nbt_name(names, res[i]->dn);
if (!rec->name) {
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
status = wreplsrv_record2wins_name(names, &names[i], rec);
NT_STATUS_NOT_OK_RETURN(status);
talloc_free(rec);
talloc_free(res[i]);
}
/* sort the names before we send them */
qsort(names, ret, sizeof(struct wrepl_wins_name), (comparison_fn_t)wreplsrv_in_sort_wins_name);
reply_out->num_names = ret;
reply_out->names = names;
return NT_STATUS_OK;
}