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-rw-r--r--source4/smb_server/smb/trans2.c160
1 files changed, 87 insertions, 73 deletions
diff --git a/source4/smb_server/smb/trans2.c b/source4/smb_server/smb/trans2.c
index 0a6c014e88a..72babd533bf 100644
--- a/source4/smb_server/smb/trans2.c
+++ b/source4/smb_server/smb/trans2.c
@@ -867,24 +867,14 @@ static NTSTATUS fill_normal_dfs_referraltype(struct dfs_referral_type *ref,
const char *dfs_path,
const char *server_path, int isfirstoffset)
{
-
+ ZERO_STRUCTP(ref);
switch (version) {
- case 3:
- ZERO_STRUCTP(ref);
- ref->version = version;
- ref->referral.v3.data.server_type = DFS_SERVER_NON_ROOT;
- /* "normal" referral seems to always include the GUID */
- ref->referral.v3.size = 34;
-
- ref->referral.v3.data.entry_flags = 0;
- ref->referral.v3.data.ttl = 600; /* As w2k3 */
- ref->referral.v3.data.referrals.r1.DFS_path = dfs_path;
- ref->referral.v3.data.referrals.r1.DFS_alt_path = dfs_path;
- ref->referral.v3.data.referrals.r1.netw_address = server_path;
- return NT_STATUS_OK;
case 4:
- ZERO_STRUCTP(ref);
- ref->version = version;
+ version = 3;
+# if 0
+ /* For the moment there is a bug with XP that don't seems to appriciate much
+ * level4 so we return just level 3 for everyone
+ */
ref->referral.v4.server_type = DFS_SERVER_NON_ROOT;
/* "normal" referral seems to always include the GUID */
ref->referral.v4.size = 34;
@@ -892,11 +882,23 @@ static NTSTATUS fill_normal_dfs_referraltype(struct dfs_referral_type *ref,
if (isfirstoffset) {
ref->referral.v4.entry_flags = DFS_HEADER_FLAG_TARGET_BCK;
}
- ref->referral.v4.ttl = 600; /* As w2k3 */
- ref->referral.v4.r1.DFS_path = dfs_path;
- ref->referral.v4.r1.DFS_alt_path = dfs_path;
- ref->referral.v4.r1.netw_address = server_path;
+ ref->referral.v4.ttl = 900; /* As w2k8r2 */
+ ref->referral.v4.referrals.r1.DFS_path = talloc_strdup(ref, dfs_path);
+ ref->referral.v4.referrals.r1.DFS_alt_path = talloc_strdup(ref, dfs_path);
+ ref->referral.v4.referrals.r1.netw_address = talloc_strdup(ref, server_path);
+ return NT_STATUS_OK;
+#endif
+ case 3:
+ ref->version = version;
+ ref->referral.v3.server_type = DFS_SERVER_NON_ROOT;
+ /* "normal" referral seems to always include the GUID */
+ ref->referral.v3.size = 34;
+ ref->referral.v3.entry_flags = 0;
+ ref->referral.v3.ttl = 600; /* As w2k3 */
+ ref->referral.v3.referrals.r1.DFS_path = talloc_strdup(ref, dfs_path);
+ ref->referral.v3.referrals.r1.DFS_alt_path = talloc_strdup(ref, dfs_path);
+ ref->referral.v3.referrals.r1.netw_address = talloc_strdup(ref, server_path);
return NT_STATUS_OK;
}
return NT_STATUS_INVALID_LEVEL;
@@ -914,18 +916,25 @@ static NTSTATUS fill_domain_dfs_referraltype(struct dfs_referral_type *ref,
switch (version) {
case 3:
ZERO_STRUCTP(ref);
+ DEBUG(8, ("Called fill_domain_dfs_referraltype\n"));
ref->version = version;
- ref->referral.v3.data.server_type = DFS_SERVER_NON_ROOT;
+ ref->referral.v3.server_type = DFS_SERVER_NON_ROOT;
/* It's hard coded ... don't think it's a good way but the sizeof return not the
* correct values
*
* We have 18 if the GUID is not included 34 otherwise
*/
- ref->referral.v3.size = 18;
- ref->referral.v3.data.entry_flags = DFS_FLAG_REFERRAL_DOMAIN_RESP;
- ref->referral.v3.data.ttl = 600; /* As w2k3 */
- ref->referral.v3.data.referrals.r2.special_name = domain;
- ref->referral.v3.data.referrals.r2.nb_expanded_names = numnames;
+ if (numnames == 0) {
+ /* Windows return without the guid when returning domain list
+ */
+ ref->referral.v3.size = 18;
+ } else {
+ ref->referral.v3.size = 34;
+ }
+ ref->referral.v3.entry_flags = DFS_FLAG_REFERRAL_DOMAIN_RESP;
+ ref->referral.v3.ttl = 600; /* As w2k3 */
+ ref->referral.v3.referrals.r2.special_name = domain;
+ ref->referral.v3.referrals.r2.nb_expanded_names = numnames;
/* Put the final terminator */
if (names) {
const char **names2 = talloc_array(ref, const char *, numnames+1);
@@ -935,8 +944,8 @@ static NTSTATUS fill_domain_dfs_referraltype(struct dfs_referral_type *ref,
names2[i] = talloc_asprintf(names2, "\\%s", names[i]);
NT_STATUS_HAVE_NO_MEMORY(names2[i]);
}
- names2[numnames] = 0;
- ref->referral.v3.data.referrals.r2.expanded_names = names2;
+ names2[numnames] = NULL;
+ ref->referral.v3.referrals.r2.expanded_names = names2;
}
return NT_STATUS_OK;
}
@@ -1098,7 +1107,7 @@ static NTSTATUS get_dcs(TALLOC_CTX *ctx, struct ldb_context *ldb,
}
talloc_free(r);
- if (searched_site != NULL) {
+ if (searched_site != NULL && searched_site[0] != '\0') {
ret = ldb_search(ldb, subctx, &r, configdn, LDB_SCOPE_SUBTREE,
attrs_none, "(&(name=%s)(objectClass=site))", searched_site);
if (ret != LDB_SUCCESS) {
@@ -1342,7 +1351,7 @@ static NTSTATUS dodomain_referral(TALLOC_CTX *ctx,
}
if (!ok && resp.nb_referrals == 2) {
- DEBUG(0, (__location__ "; Not able to fit the domain and realm in DFS a "
+ DEBUG(8, (__location__ "; Not able to fit the domain and realm in DFS a "
" 56K buffer, something must be broken"));
talloc_free(context);
return NT_STATUS_INTERNAL_ERROR;
@@ -1363,6 +1372,8 @@ static NTSTATUS dodomain_referral(TALLOC_CTX *ctx,
*/
static NTSTATUS dodc_or_sysvol_referral(TALLOC_CTX *ctx,
const struct dfs_GetDFSReferral_in dfsreq,
+ const char* requesteddomain,
+ const char* requestedshare,
const char* requestedname,
struct ldb_context *ldb,
struct smb_trans2 *trans,
@@ -1378,16 +1389,13 @@ static NTSTATUS dodc_or_sysvol_referral(TALLOC_CTX *ctx,
NTSTATUS status;
unsigned int num_domain = 1;
enum ndr_err_code ndr_err;
- const char *requesteddomain;
const char *realm = lpcfg_realm(lp_ctx);
const char *domain = lpcfg_workgroup(lp_ctx);
const char *site_name = NULL; /* Name of the site where the client is */
- char *share = NULL;
bool found = false;
bool need_fqdn = false;
bool dc_referral = true;
unsigned int i;
- char *tmp;
struct dc_set **set;
char const **domain_list;
struct tsocket_address *remote_address;
@@ -1407,24 +1415,13 @@ static NTSTATUS dodc_or_sysvol_referral(TALLOC_CTX *ctx,
context = talloc_new(ctx);
NT_STATUS_HAVE_NO_MEMORY(context);
- if (requestedname[0] == '\\' && !strchr(requestedname+1,'\\')) {
- requestedname++;
- }
- requesteddomain = requestedname;
-
- if (strchr(requestedname,'\\')) {
- char *subpart;
- /* we have a second part */
- requesteddomain = talloc_strdup(context, requestedname+1);
- NT_STATUS_HAVE_NO_MEMORY_AND_FREE(requesteddomain, context);
- subpart = strchr(requesteddomain,'\\');
- subpart[0] = '\0';
- }
- tmp = strchr(requestedname + 1,'\\'); /* To get second \ if any */
+ DEBUG(10, ("in this we have request for %s and share %s requested is %s\n",
+ requesteddomain,
+ requestedshare,
+ requestedname));
- if (tmp != NULL) {
- /* There was a share */
- share = tmp+1;
+ if (requestedshare) {
+ DEBUG(10, ("Have a non DC domain referal\n"));
dc_referral = false;
}
@@ -1464,7 +1461,7 @@ static NTSTATUS dodc_or_sysvol_referral(TALLOC_CTX *ctx,
client_addr = tsocket_address_inet_addr_string(remote_address, context);
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(client_addr, context);
}
-
+ site_name = samdb_client_site_name(ldb, context, client_addr, NULL);
status = get_dcs(context, ldb, site_name, need_fqdn, &set, 0);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(3,("Unable to get list of DCs\n"));
@@ -1508,8 +1505,13 @@ static NTSTATUS dodc_or_sysvol_referral(TALLOC_CTX *ctx,
referral = talloc(context, struct dfs_referral_type);
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(referral, context);
- referral_str = talloc_asprintf(referral, "\\%s",
- requestedname);
+ if (requestedname[0] == '\\') {
+ referral_str = talloc_asprintf(referral, "%s",
+ requestedname);
+ } else {
+ referral_str = talloc_asprintf(referral, "\\%s",
+ requestedname);
+ }
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(referral_str, context);
status = fill_domain_dfs_referraltype(referral, 3,
@@ -1564,12 +1566,14 @@ static NTSTATUS dodc_or_sysvol_referral(TALLOC_CTX *ctx,
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(referral, context);
referral_str = talloc_asprintf(referral, "\\%s\\%s",
- set[i]->names[j], share);
+ set[i]->names[j], requestedshare);
+ DEBUG(8, ("Doing a dfs referral for %s with this value %s requested %s\n", set[i]->names[j], referral_str, requestedname));
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(referral_str, context);
status = fill_normal_dfs_referraltype(referral,
dfsreq.max_referral_level,
requestedname, referral_str, j==0);
+
if (!NT_STATUS_IS_OK(status)) {
DEBUG(2, (__location__ ": Unable to fill a normal dfs referral object"));
talloc_free(context);
@@ -1616,7 +1620,7 @@ static NTSTATUS trans2_getdfsreferral(struct smbsrv_request *req,
struct ldb_context *ldb;
struct loadparm_context *lp_ctx;
const char *realm, *nbname, *requestedname;
- char *fqdn, *tmp;
+ char *fqdn, *share, *domain, *tmp;
NTSTATUS status;
lp_ctx = req->tcon->ntvfs->lp_ctx;
@@ -1645,7 +1649,7 @@ static NTSTATUS trans2_getdfsreferral(struct smbsrv_request *req,
return status;
}
- DEBUG(10, ("Requested DFS name: %s length: %u\n",
+ DEBUG(8, ("Requested DFS name: %s length: %u\n",
dfsreq.servername, (unsigned int)strlen(dfsreq.servername)));
/*
@@ -1679,31 +1683,41 @@ static NTSTATUS trans2_getdfsreferral(struct smbsrv_request *req,
}
talloc_free(fqdn);
- tmp = strchr(requestedname + 1,'\\'); /* To get second \ if any */
+ domain = talloc_strdup(context, requestedname);
+ while(*domain && *domain == '\\') {
+ domain++;
+ }
+ tmp = strchr(domain,'\\'); /* To get second \ if any */
+ share = NULL;
+ if (tmp) {
+ /*
+ * We are finishing properly the domain string
+ * and the share one will start after the \
+ */
+ tmp[0] = '\\';
+ tmp++;
+ share = talloc_strdup(context, tmp);
+ }
/*
- * If we have no slash at the first position or (foo.bar.domain.net)
- * a slash at the first position but no other slash (\foo.bar.domain.net)
- * or a slash at the first position and another slash
- * and netlogon or sysvol after the second slash
- * (\foo.bar.domain.net\sysvol) then we will handle it because
- * it's either a dc referral or a sysvol/netlogon referral
+ * Here we have filtered the thing the requested name don't contain our DNS name.
+ * So if the share == NULL or if share in ("sysvol", "netlogon")
+ * then we proceed. In the first case it will be a dc refereal in the second it will
+ * be just a sysvol/netlogon referral.
*/
- if (requestedname[0] != '\\' ||
- tmp == NULL ||
- strcasecmp(tmp+1, "sysvol") == 0 ||
- strcasecmp(tmp+1, "netlogon") == 0) {
- status = dodc_or_sysvol_referral(op, dfsreq, requestedname,
+ if (share == NULL ||
+ strcasecmp(share, "sysvol") == 0 ||
+ strcasecmp(share, "netlogon") == 0) {
+ status = dodc_or_sysvol_referral(op, dfsreq, domain, share, requestedname,
ldb, trans, req, lp_ctx);
talloc_free(context);
return status;
}
- if (requestedname[0] == '\\' &&
- tmp &&
- strchr(tmp+1, '\\') &&
- (strncasecmp(tmp+1, "sysvol", 6) == 0 ||
- strncasecmp(tmp+1, "netlogon", 8) == 0)) {
+ tmp = strchr(share, '\\');
+ if (tmp &&
+ (strncasecmp(share, "sysvol", 6) == 0 ||
+ strncasecmp(share, "netlogon", 8) == 0)) {
/*
* We have more than two \ so it something like
* \domain\sysvol\foobar
generated by cgit (git 2.34.1) at 2024-05-09 04:54:37 +0000