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-rw-r--r--source3/Makefile.in3
-rw-r--r--source3/include/reg_objects.h9
-rw-r--r--source3/lib/secdesc.c65
-rw-r--r--source3/param/loadparm.c10
-rw-r--r--source3/registry/reg_db.c92
-rw-r--r--source3/registry/reg_frontend.c211
-rw-r--r--source3/registry/reg_printing.c2
-rw-r--r--source3/registry/reg_shares.c2
-rw-r--r--source3/registry/reg_smbconf.c85
-rw-r--r--source3/rpc_server/srv_srvsvc_nt.c1
-rw-r--r--source3/rpc_server/srv_winreg_nt.c38
-rw-r--r--source3/smbd/lanman.c1
-rw-r--r--source3/smbd/msdfs.c1
-rw-r--r--source3/smbd/service.c113
14 files changed, 566 insertions, 67 deletions
diff --git a/source3/Makefile.in b/source3/Makefile.in
index 95de6a436a..35355becdf 100644
--- a/source3/Makefile.in
+++ b/source3/Makefile.in
@@ -321,7 +321,8 @@ REGOBJS_OBJ = registry/reg_objects.o
REGISTRY_OBJ = registry/reg_frontend.o registry/reg_cachehook.o registry/reg_printing.o \
registry/reg_db.o registry/reg_eventlog.o registry/reg_shares.o \
- registry/reg_util.o registry/reg_dynamic.o registry/reg_perfcount.o
+ registry/reg_util.o registry/reg_dynamic.o registry/reg_perfcount.o \
+ registry/reg_smbconf.o
RPC_LSA_OBJ = rpc_server/srv_lsa.o rpc_server/srv_lsa_nt.o librpc/gen_ndr/srv_lsa.o
diff --git a/source3/include/reg_objects.h b/source3/include/reg_objects.h
index 99da22f8cd..e3226b7ae9 100644
--- a/source3/include/reg_objects.h
+++ b/source3/include/reg_objects.h
@@ -98,6 +98,7 @@ typedef struct {
#define KEY_PRINTING_PORTS "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Ports"
#define KEY_EVENTLOG "HKLM\\SYSTEM\\CurrentControlSet\\Services\\Eventlog"
#define KEY_SHARES "HKLM\\SYSTEM\\CurrentControlSet\\Services\\LanmanServer\\Shares"
+#define KEY_SMBCONF "HKLM\\SOFTWARE\\Samba\\smbconf"
#define KEY_TREE_ROOT ""
/*
@@ -121,7 +122,13 @@ typedef struct {
int (*fetch_values) ( const char *key, REGVAL_CTR *val );
BOOL (*store_subkeys)( const char *key, REGSUBKEY_CTR *subkeys );
BOOL (*store_values)( const char *key, REGVAL_CTR *val );
- BOOL (*reg_access_check)( const char *keyname, uint32 requested, uint32 *granted, NT_USER_TOKEN *token );
+ BOOL (*reg_access_check)( const char *keyname, uint32 requested,
+ uint32 *granted,
+ const NT_USER_TOKEN *token );
+ WERROR (*get_secdesc)(TALLOC_CTX *mem_ctx, const char *key,
+ struct security_descriptor **psecdesc);
+ WERROR (*set_secdesc)(const char *key,
+ struct security_descriptor *sec_desc);
} REGISTRY_OPS;
typedef struct {
diff --git a/source3/lib/secdesc.c b/source3/lib/secdesc.c
index 2f592769b3..762dc2f6d8 100644
--- a/source3/lib/secdesc.c
+++ b/source3/lib/secdesc.c
@@ -216,16 +216,16 @@ SEC_DESC *make_sec_desc(TALLOC_CTX *ctx, uint16 revision, uint16 type,
dst->sacl = NULL;
dst->dacl = NULL;
- if(owner_sid && ((dst->owner_sid = sid_dup_talloc(ctx,owner_sid)) == NULL))
+ if(owner_sid && ((dst->owner_sid = sid_dup_talloc(dst,owner_sid)) == NULL))
goto error_exit;
- if(grp_sid && ((dst->group_sid = sid_dup_talloc(ctx,grp_sid)) == NULL))
+ if(grp_sid && ((dst->group_sid = sid_dup_talloc(dst,grp_sid)) == NULL))
goto error_exit;
- if(sacl && ((dst->sacl = dup_sec_acl(ctx, sacl)) == NULL))
+ if(sacl && ((dst->sacl = dup_sec_acl(dst, sacl)) == NULL))
goto error_exit;
- if(dacl && ((dst->dacl = dup_sec_acl(ctx, dacl)) == NULL))
+ if(dacl && ((dst->dacl = dup_sec_acl(dst, dacl)) == NULL))
goto error_exit;
offset = SEC_DESC_HEADER_SIZE;
@@ -275,6 +275,63 @@ SEC_DESC *dup_sec_desc(TALLOC_CTX *ctx, const SEC_DESC *src)
}
/*******************************************************************
+ Convert a secdesc into a byte stream
+********************************************************************/
+NTSTATUS marshall_sec_desc(TALLOC_CTX *mem_ctx,
+ struct security_descriptor *secdesc,
+ uint8 **data, size_t *len)
+{
+ prs_struct ps;
+
+ if (!prs_init(&ps, sec_desc_size(secdesc), mem_ctx, MARSHALL)) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!sec_io_desc("security_descriptor", &secdesc, &ps, 1)) {
+ prs_mem_free(&ps);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (!(*data = (uint8 *)talloc_memdup(mem_ctx, ps.data_p,
+ prs_offset(&ps)))) {
+ prs_mem_free(&ps);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ *len = prs_offset(&ps);
+ prs_mem_free(&ps);
+ return NT_STATUS_OK;
+}
+
+/*******************************************************************
+ Parse a byte stream into a secdesc
+********************************************************************/
+NTSTATUS unmarshall_sec_desc(TALLOC_CTX *mem_ctx, uint8 *data, size_t len,
+ struct security_descriptor **psecdesc)
+{
+ prs_struct ps;
+ struct security_descriptor *secdesc = NULL;
+
+ if (!(secdesc = TALLOC_ZERO_P(mem_ctx, struct security_descriptor))) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!prs_init(&ps, 0, secdesc, UNMARSHALL)) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ prs_give_memory(&ps, (char *)data, len, False);
+
+ if (!sec_io_desc("security_descriptor", &secdesc, &ps, 1)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ prs_mem_free(&ps);
+ *psecdesc = secdesc;
+ return NT_STATUS_OK;
+}
+
+/*******************************************************************
Creates a SEC_DESC structure with typical defaults.
********************************************************************/
diff --git a/source3/param/loadparm.c b/source3/param/loadparm.c
index 81c642daf8..60d686f245 100644
--- a/source3/param/loadparm.c
+++ b/source3/param/loadparm.c
@@ -304,6 +304,7 @@ typedef struct {
BOOL bASUSupport;
BOOL bUsershareOwnerOnly;
BOOL bUsershareAllowGuests;
+ BOOL bRegistryShares;
int restrict_anonymous;
int name_cache_timeout;
int client_signing;
@@ -1225,6 +1226,7 @@ static struct parm_struct parm_table[] = {
{"root preexec close", P_BOOL, P_LOCAL, &sDefault.bRootpreexecClose, NULL, NULL, FLAG_ADVANCED | FLAG_SHARE},
{"root postexec", P_STRING, P_LOCAL, &sDefault.szRootPostExec, NULL, NULL, FLAG_ADVANCED | FLAG_SHARE | FLAG_PRINT},
{"available", P_BOOL, P_LOCAL, &sDefault.bAvailable, NULL, NULL, FLAG_BASIC | FLAG_ADVANCED | FLAG_SHARE | FLAG_PRINT},
+ {"registry shares", P_BOOL, P_GLOBAL, &Globals.bRegistryShares, NULL, NULL, FLAG_ADVANCED},
{"usershare allow guests", P_BOOL, P_GLOBAL, &Globals.bUsershareAllowGuests, NULL, NULL, FLAG_ADVANCED},
{"usershare max shares", P_INTEGER, P_GLOBAL, &Globals.iUsershareMaxShares, NULL, NULL, FLAG_ADVANCED},
{"usershare owner only", P_BOOL, P_GLOBAL, &Globals.bUsershareOwnerOnly, NULL, NULL, FLAG_ADVANCED},
@@ -1652,6 +1654,9 @@ static void init_globals(BOOL first_time_only)
Globals.bUsershareOwnerOnly = True;
/* By default disallow guest access to usershares. */
Globals.bUsershareAllowGuests = False;
+
+ /* By default no shares out of the registry */
+ Globals.bRegistryShares = False;
}
static TALLOC_CTX *lp_talloc;
@@ -1860,6 +1865,7 @@ FN_GLOBAL_LIST(lp_usershare_prefix_deny_list, &Globals.szUsersharePrefixDenyList
FN_GLOBAL_LIST(lp_eventlog_list, &Globals.szEventLogs)
+FN_GLOBAL_BOOL(lp_registry_shares, &Globals.bRegistryShares)
FN_GLOBAL_BOOL(lp_usershare_allow_guests, &Globals.bUsershareAllowGuests)
FN_GLOBAL_BOOL(lp_usershare_owner_only, &Globals.bUsershareOwnerOnly)
FN_GLOBAL_BOOL(lp_disable_netbios, &Globals.bDisableNetbios)
@@ -2606,6 +2612,10 @@ BOOL lp_add_home(const char *pszHomename, int iDefaultService,
int lp_add_service(const char *pszService, int iDefaultService)
{
+ if (iDefaultService < 0) {
+ return add_a_service(&sDefault, pszService);
+ }
+
return (add_a_service(ServicePtrs[iDefaultService], pszService));
}
diff --git a/source3/registry/reg_db.c b/source3/registry/reg_db.c
index 2afecffec7..345193716e 100644
--- a/source3/registry/reg_db.c
+++ b/source3/registry/reg_db.c
@@ -29,6 +29,7 @@ static TDB_CONTEXT *tdb_reg;
static int tdb_refcount;
#define VALUE_PREFIX "SAMBA_REGVAL"
+#define SECDESC_PREFIX "SAMBA_SECDESC"
/* List the deepest path into the registry. All part components will be created.*/
@@ -46,6 +47,7 @@ static const char *builtin_registry_paths[] = {
KEY_PRINTING,
KEY_SHARES,
KEY_EVENTLOG,
+ KEY_SMBCONF,
"HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Perflib",
"HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Perflib\\009",
"HKLM\\SYSTEM\\CurrentControlSet\\Control\\Print\\Monitors",
@@ -661,6 +663,90 @@ BOOL regdb_store_values( const char *key, REGVAL_CTR *values )
return ret != -1 ;
}
+void normalize_dbkey(char *key)
+{
+ size_t len = strlen(key);
+ string_sub(key, "\\", "/", len+1);
+ strupper_m(key);
+}
+
+static WERROR regdb_get_secdesc(TALLOC_CTX *mem_ctx, const char *key,
+ struct security_descriptor **psecdesc)
+{
+ char *tdbkey;
+ TDB_DATA data;
+ NTSTATUS status;
+
+ DEBUG(10, ("regdb_get_secdesc: Getting secdesc of key [%s]\n", key));
+
+ if (asprintf(&tdbkey, "%s/%s", SECDESC_PREFIX, key) == -1) {
+ return WERR_NOMEM;
+ }
+ normalize_dbkey(tdbkey);
+
+ data = tdb_fetch_bystring(tdb_reg, tdbkey);
+ SAFE_FREE(tdbkey);
+
+ if (data.dptr == NULL) {
+ return WERR_BADFILE;
+ }
+
+ status = unmarshall_sec_desc(mem_ctx, (uint8 *)data.dptr, data.dsize,
+ psecdesc);
+
+ SAFE_FREE(data.dptr);
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NO_MEMORY)) {
+ return WERR_NOMEM;
+ }
+
+ if (!NT_STATUS_IS_OK(status)) {
+ return WERR_REG_CORRUPT;
+ }
+
+ return WERR_OK;
+}
+
+static WERROR regdb_set_secdesc(const char *key,
+ struct security_descriptor *secdesc)
+{
+ prs_struct ps;
+ TALLOC_CTX *mem_ctx;
+ char *tdbkey;
+ WERROR err = WERR_NOMEM;
+ uint8 *data;
+ TDB_DATA tdbdata;
+
+ if (!(mem_ctx = talloc_init("regdb_set_secdesc"))) {
+ return WERR_NOMEM;
+ }
+
+ ZERO_STRUCT(ps);
+
+ if (!(tdbkey = talloc_asprintf(mem_ctx, "%s/%s", SECDESC_PREFIX,
+ key))) {
+ goto done;
+ }
+ normalize_dbkey(tdbkey);
+
+ err = ntstatus_to_werror(marshall_sec_desc(mem_ctx, secdesc, &data,
+ &tdbdata.dsize));
+ if (!W_ERROR_IS_OK(err)) {
+ goto done;
+ }
+
+ tdbdata.dptr = (char *)data;
+
+ if (tdb_trans_store_bystring(tdb_reg, tdbkey, tdbdata, 0) == -1) {
+ err = ntstatus_to_werror(map_nt_error_from_unix(errno));
+ goto done;
+ }
+
+ done:
+ prs_mem_free(&ps);
+ TALLOC_FREE(mem_ctx);
+ return err;
+}
/*
* Table of function pointers for default access
@@ -671,7 +757,7 @@ REGISTRY_OPS regdb_ops = {
regdb_fetch_values,
regdb_store_keys,
regdb_store_values,
- NULL
+ NULL,
+ regdb_get_secdesc,
+ regdb_set_secdesc
};
-
-
diff --git a/source3/registry/reg_frontend.c b/source3/registry/reg_frontend.c
index 90b068dcb9..79fbc8ef52 100644
--- a/source3/registry/reg_frontend.c
+++ b/source3/registry/reg_frontend.c
@@ -28,6 +28,7 @@
extern REGISTRY_OPS printing_ops;
extern REGISTRY_OPS eventlog_ops;
extern REGISTRY_OPS shares_reg_ops;
+extern REGISTRY_OPS smbconf_reg_ops;
extern REGISTRY_OPS regdb_ops; /* these are the default */
/* array of REGISTRY_HOOK's which are read into a tree for easy access */
@@ -39,6 +40,7 @@ REGISTRY_HOOK reg_hooks[] = {
{ KEY_PRINTING_2K, &printing_ops },
{ KEY_PRINTING_PORTS, &printing_ops },
{ KEY_SHARES, &shares_reg_ops },
+ { KEY_SMBCONF, &smbconf_reg_ops },
#endif
{ NULL, NULL }
};
@@ -50,25 +52,6 @@ static struct generic_mapping reg_generic_map =
/********************************************************************
********************************************************************/
-static NTSTATUS registry_access_check( SEC_DESC *sec_desc, NT_USER_TOKEN *token,
- uint32 access_desired, uint32 *access_granted )
-{
- NTSTATUS result;
-
- if ( geteuid() == sec_initial_uid() ) {
- DEBUG(5,("registry_access_check: using root's token\n"));
- token = get_root_nt_token();
- }
-
- se_map_generic( &access_desired, &reg_generic_map );
- se_access_check( sec_desc, token, access_desired, access_granted, &result );
-
- return result;
-}
-
-/********************************************************************
-********************************************************************/
-
static SEC_DESC* construct_registry_sd( TALLOC_CTX *ctx )
{
SEC_ACE ace[2];
@@ -268,23 +251,46 @@ NTSTATUS registry_fetch_values(TALLOC_CTX *mem_ctx, REGISTRY_KEY *key,
underlying registry backend
***********************************************************************/
-BOOL regkey_access_check( REGISTRY_KEY *key, uint32 requested, uint32 *granted, NT_USER_TOKEN *token )
+BOOL regkey_access_check( REGISTRY_KEY *key, uint32 requested, uint32 *granted,
+ const struct nt_user_token *token )
{
- /* use the default security check if the backend has not defined its own */
-
- if ( !(key->hook && key->hook->ops && key->hook->ops->reg_access_check) ) {
- SEC_DESC *sec_desc;
- NTSTATUS status;
-
- if ( !(sec_desc = construct_registry_sd( get_talloc_ctx() )) )
- return False;
-
- status = registry_access_check( sec_desc, token, requested, granted );
-
- return NT_STATUS_IS_OK(status);
+ SEC_DESC *sec_desc;
+ NTSTATUS status;
+ WERROR err;
+ TALLOC_CTX *mem_ctx;
+
+ /* use the default security check if the backend has not defined its
+ * own */
+
+ if (key->hook && key->hook->ops && key->hook->ops->reg_access_check) {
+ return key->hook->ops->reg_access_check( key->name, requested,
+ granted, token );
}
-
- return key->hook->ops->reg_access_check( key->name, requested, granted, token );
+
+ /*
+ * The secdesc routines can't yet cope with a NULL talloc ctx sanely.
+ */
+
+ if (!(mem_ctx = talloc_init("regkey_access_check"))) {
+ return False;
+ }
+
+ err = regkey_get_secdesc(mem_ctx, key, &sec_desc);
+
+ if (!W_ERROR_IS_OK(err)) {
+ TALLOC_FREE(mem_ctx);
+ return False;
+ }
+
+ se_map_generic( &requested, &reg_generic_map );
+
+ if (!se_access_check(sec_desc, token, requested, granted, &status)) {
+ TALLOC_FREE(mem_ctx);
+ return False;
+ }
+
+ TALLOC_FREE(mem_ctx);
+ return NT_STATUS_IS_OK(status);
}
/***********************************************************************
@@ -295,17 +301,22 @@ static int regkey_destructor(REGISTRY_KEY *key)
return regdb_close();
}
-WERROR regkey_open_internal( TALLOC_CTX *mem_ctx, REGISTRY_KEY *parent,
+WERROR regkey_open_onelevel( TALLOC_CTX *mem_ctx, REGISTRY_KEY *parent,
REGISTRY_KEY **regkey, const char *name,
- NT_USER_TOKEN *token, uint32 access_desired )
+ const struct nt_user_token *token,
+ uint32 access_desired )
{
WERROR result = WERR_OK;
REGISTRY_KEY *key;
REGSUBKEY_CTR *subkeys = NULL;
- size_t path_len;
DEBUG(7,("regkey_open_internal: name = [%s]\n", name));
+ if ((parent != NULL) &&
+ ((parent->access_granted & SEC_RIGHTS_ENUM_SUBKEYS) == 0)) {
+ return WERR_ACCESS_DENIED;
+ }
+
if ( !(key = TALLOC_ZERO_P(mem_ctx, REGISTRY_KEY)) ) {
return WERR_NOMEM;
}
@@ -320,27 +331,30 @@ WERROR regkey_open_internal( TALLOC_CTX *mem_ctx, REGISTRY_KEY *parent,
/* initialization */
key->type = REG_KEY_GENERIC;
- if (!(key->name = talloc_strdup(key, name))) {
- result = WERR_NOMEM;
- goto done;
- }
- if (parent != NULL) {
- char *tmp;
- if (!(tmp = talloc_asprintf(key, "%s%s%s",
- parent ? parent->name : "",
- parent ? "\\" : "",
- key->name))) {
- result = WERR_NOMEM;
+ if (name[0] == '\0') {
+ /*
+ * Open a copy of the parent key
+ */
+ if (!parent) {
+ result = WERR_BADFILE;
goto done;
}
- TALLOC_FREE(key->name);
- key->name = tmp;
+ key->name = talloc_strdup(key, parent->name);
+ }
+ else {
+ /*
+ * Normal open, concat parent and new keynames
+ */
+ key->name = talloc_asprintf(key, "%s%s%s",
+ parent ? parent->name : "",
+ parent ? "\\": "",
+ name);
}
- path_len = strlen( key->name );
- if ( (path_len != 0) && (key->name[path_len-1] == '\\') ) {
- key->name[path_len-1] = '\0';
+ if (key->name == NULL) {
+ result = WERR_NOMEM;
+ goto done;
}
/* Tag this as a Performance Counter Key */
@@ -388,3 +402,94 @@ done:
return result;
}
+
+WERROR regkey_open_internal( TALLOC_CTX *ctx, REGISTRY_KEY *parent,
+ REGISTRY_KEY **regkey, const char *name,
+ NT_USER_TOKEN *token, uint32 access_desired )
+{
+ TALLOC_CTX *mem_ctx;
+ const char *p;
+ BOOL free_parent = False;
+ WERROR err;
+ size_t len;
+
+ if (!(mem_ctx = talloc_new(ctx))) {
+ return WERR_NOMEM;
+ }
+
+ len = strlen(name);
+ if ((len > 0) && (name[len-1] == '\\')) {
+ if (!(name = talloc_strndup(mem_ctx, name, len-1))) {
+ TALLOC_FREE(mem_ctx);
+ return WERR_NOMEM;
+ }
+ }
+
+ while ((p = strchr(name, '\\')) != NULL) {
+ char *name_component;
+ REGISTRY_KEY *intermediate;
+
+
+ if (!(name_component = talloc_strndup(
+ mem_ctx, name, (p - name)))) {
+ TALLOC_FREE(mem_ctx);
+ return WERR_NOMEM;
+ }
+
+ err = regkey_open_onelevel(mem_ctx, parent, &intermediate,
+ name_component, token,
+ SEC_RIGHTS_ENUM_SUBKEYS);
+ TALLOC_FREE(name_component);
+
+ if (!W_ERROR_IS_OK(err)) {
+ TALLOC_FREE(mem_ctx);
+ return WERR_NOMEM;
+ }
+
+ if (free_parent) {
+ TALLOC_FREE(parent);
+ }
+ parent = intermediate;
+ free_parent = True;
+ name = p+1;
+ }
+
+ err = regkey_open_onelevel(ctx, parent, regkey, name, token,
+ access_desired);
+ TALLOC_FREE(mem_ctx);
+ return err;
+}
+
+WERROR regkey_get_secdesc(TALLOC_CTX *mem_ctx, REGISTRY_KEY *key,
+ struct security_descriptor **psecdesc)
+{
+ struct security_descriptor *secdesc;
+
+ if (key->hook && key->hook->ops && key->hook->ops->get_secdesc) {
+ WERROR err;
+
+ err = key->hook->ops->get_secdesc(mem_ctx, key->name,
+ psecdesc);
+ if (W_ERROR_IS_OK(err)) {
+ return WERR_OK;
+ }
+ }
+
+ if (!(secdesc = construct_registry_sd(mem_ctx))) {
+ return WERR_NOMEM;
+ }
+
+ *psecdesc = secdesc;
+ return WERR_OK;
+}
+
+WERROR regkey_set_secdesc(REGISTRY_KEY *key,
+ struct security_descriptor *psecdesc)
+{
+ if (key->hook && key->hook->ops && key->hook->ops->set_secdesc) {
+ return key->hook->ops->set_secdesc(key->name, psecdesc);
+ }
+
+ return WERR_ACCESS_DENIED;
+}
+
diff --git a/source3/registry/reg_printing.c b/source3/registry/reg_printing.c
index ba79092ea5..c20d5ab96f 100644
--- a/source3/registry/reg_printing.c
+++ b/source3/registry/reg_printing.c
@@ -1239,7 +1239,7 @@ REGISTRY_OPS printing_ops = {
regprint_fetch_reg_values,
regprint_store_reg_keys,
regprint_store_reg_values,
- NULL
+ NULL, NULL, NULL
};
diff --git a/source3/registry/reg_shares.c b/source3/registry/reg_shares.c
index 5a3e9a131b..d2113a647d 100644
--- a/source3/registry/reg_shares.c
+++ b/source3/registry/reg_shares.c
@@ -160,7 +160,7 @@ REGISTRY_OPS shares_reg_ops = {
shares_value_info,
shares_store_subkey,
shares_store_value,
- NULL
+ NULL, NULL, NULL
};
diff --git a/source3/registry/reg_smbconf.c b/source3/registry/reg_smbconf.c
new file mode 100644
index 0000000000..b17422fdcb
--- /dev/null
+++ b/source3/registry/reg_smbconf.c
@@ -0,0 +1,85 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * Virtual Windows Registry Layer
+ * Copyright (C) Volker Lendecke 2006
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "includes.h"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_RPC_SRV
+
+extern REGISTRY_OPS regdb_ops; /* these are the default */
+
+static int smbconf_fetch_keys( const char *key, REGSUBKEY_CTR *subkey_ctr )
+{
+ return regdb_ops.fetch_subkeys(key, subkey_ctr);
+}
+
+static BOOL smbconf_store_keys( const char *key, REGSUBKEY_CTR *subkeys )
+{
+ return regdb_ops.store_subkeys(key, subkeys);
+}
+
+static int smbconf_fetch_values( const char *key, REGVAL_CTR *val )
+{
+ return regdb_ops.fetch_values(key, val);
+}
+
+static BOOL smbconf_store_values( const char *key, REGVAL_CTR *val )
+{
+ return regdb_ops.store_values(key, val);
+}
+
+static BOOL smbconf_reg_access_check(const char *keyname, uint32 requested,
+ uint32 *granted,
+ const struct nt_user_token *token)
+{
+ if (!(user_has_privileges(token, &se_disk_operators))) {
+ return False;
+ }
+
+ *granted = REG_KEY_ALL;
+ return True;
+}
+
+static WERROR smbconf_get_secdesc(TALLOC_CTX *mem_ctx, const char *key,
+ struct security_descriptor **psecdesc)
+{
+ return regdb_ops.get_secdesc(mem_ctx, key, psecdesc);
+}
+
+static WERROR smbconf_set_secdesc(const char *key,
+ struct security_descriptor *secdesc)
+{
+ return regdb_ops.set_secdesc(key, secdesc);
+}
+
+
+/*
+ * Table of function pointers for accessing smb.conf data
+ */
+
+REGISTRY_OPS smbconf_reg_ops = {
+ smbconf_fetch_keys,
+ smbconf_fetch_values,
+ smbconf_store_keys,
+ smbconf_store_values,
+ smbconf_reg_access_check,
+ smbconf_get_secdesc,
+ smbconf_set_secdesc
+};
diff --git a/source3/rpc_server/srv_srvsvc_nt.c b/source3/rpc_server/srv_srvsvc_nt.c
index 35938d087e..ac9a1132e1 100644
--- a/source3/rpc_server/srv_srvsvc_nt.c
+++ b/source3/rpc_server/srv_srvsvc_nt.c
@@ -516,6 +516,7 @@ static WERROR init_srv_share_info_ctr(pipes_struct *p,
/* Ensure all the usershares are loaded. */
become_root();
load_usershare_shares();
+ load_registry_shares();
unbecome_root();
*total_entries = 0;
diff --git a/source3/rpc_server/srv_winreg_nt.c b/source3/rpc_server/srv_winreg_nt.c
index 16c271427e..847bc967c5 100644
--- a/source3/rpc_server/srv_winreg_nt.c
+++ b/source3/rpc_server/srv_winreg_nt.c
@@ -1478,6 +1478,10 @@ WERROR _winreg_DeleteValue(pipes_struct *p, struct policy_handle *handle, struct
WERROR _winreg_GetKeySecurity(pipes_struct *p, struct policy_handle *handle, uint32_t sec_info, struct KeySecurityData *sd)
{
REGISTRY_KEY *key = find_regkey_by_hnd(p, handle);
+ WERROR err;
+ struct security_descriptor *secdesc;
+ uint8 *data;
+ size_t len;
if ( !key )
return WERR_BADFID;
@@ -1486,8 +1490,28 @@ WERROR _winreg_GetKeySecurity(pipes_struct *p, struct policy_handle *handle, uin
if ( !(key->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
return WERR_ACCESS_DENIED;
+
+ err = regkey_get_secdesc(p->mem_ctx, key, &secdesc);
+ if (!W_ERROR_IS_OK(err)) {
+ return err;
+ }
+
+ err = ntstatus_to_werror(marshall_sec_desc(p->mem_ctx, secdesc,
+ &data, &len));
+ if (!W_ERROR_IS_OK(err)) {
+ return err;
+ }
+
+ if (len > sd->size) {
+ sd->size = len;
+ return WERR_INSUFFICIENT_BUFFER;
+ }
+
+ sd->size = len;
+ sd->len = len;
+ sd->data = data;
- return WERR_ACCESS_DENIED;
+ return WERR_OK;
}
/*******************************************************************
@@ -1496,6 +1520,8 @@ WERROR _winreg_GetKeySecurity(pipes_struct *p, struct policy_handle *handle, uin
WERROR _winreg_SetKeySecurity(pipes_struct *p, struct policy_handle *handle, uint32_t access_mask, struct KeySecurityData *sd)
{
REGISTRY_KEY *key = find_regkey_by_hnd(p, handle);
+ struct security_descriptor *secdesc;
+ WERROR err;
if ( !key )
return WERR_BADFID;
@@ -1504,8 +1530,14 @@ WERROR _winreg_SetKeySecurity(pipes_struct *p, struct policy_handle *handle, uin
if ( !(key->access_granted & STD_RIGHT_WRITE_DAC_ACCESS) )
return WERR_ACCESS_DENIED;
-
- return WERR_ACCESS_DENIED;
+
+ err = ntstatus_to_werror(unmarshall_sec_desc(p->mem_ctx, sd->data,
+ sd->len, &secdesc));
+ if (!W_ERROR_IS_OK(err)) {
+ return err;
+ }
+
+ return regkey_set_secdesc(key, secdesc);
}
/*******************************************************************
diff --git a/source3/smbd/lanman.c b/source3/smbd/lanman.c
index 8ecc965c0d..e42d96b11e 100644
--- a/source3/smbd/lanman.c
+++ b/source3/smbd/lanman.c
@@ -1671,6 +1671,7 @@ static BOOL api_RNetShareEnum( connection_struct *conn,
/* Ensure all the usershares are loaded. */
become_root();
+ load_registry_shares();
count = load_usershare_shares();
unbecome_root();
diff --git a/source3/smbd/msdfs.c b/source3/smbd/msdfs.c
index 1f04356b4f..12fd333efe 100644
--- a/source3/smbd/msdfs.c
+++ b/source3/smbd/msdfs.c
@@ -1114,6 +1114,7 @@ int enum_msdfs_links(TALLOC_CTX *ctx, struct junction_map *jucn, int jn_max)
/* Ensure all the usershares are loaded. */
become_root();
+ load_registry_shares();
sharecount = load_usershare_shares();
unbecome_root();
diff --git a/source3/smbd/service.c b/source3/smbd/service.c
index 60ba85ab65..e63bc01a7d 100644
--- a/source3/smbd/service.c
+++ b/source3/smbd/service.c
@@ -229,6 +229,115 @@ int add_home_service(const char *service, const char *username, const char *home
}
+static int load_registry_service(const char *servicename)
+{
+ REGISTRY_KEY *key;
+ char *path;
+ WERROR err;
+ NTSTATUS status;
+
+ uint32 i, num_values;
+ char **value_names;
+ struct registry_value **values = NULL;
+
+ int res;
+
+ if (!lp_registry_shares()) {
+ return -1;
+ }
+
+ if (asprintf(&path, "%s\\%s", KEY_SMBCONF, servicename) == -1) {
+ return -1;
+ }
+
+ err = regkey_open_internal(NULL, NULL, &key, path, get_root_nt_token(),
+ REG_KEY_READ);
+ SAFE_FREE(path);
+
+ if (!W_ERROR_IS_OK(err)) {
+ return -1;
+ }
+
+ status = registry_fetch_values(NULL, key, &num_values, &value_names,
+ &values);
+
+ TALLOC_FREE(key);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto error;
+ }
+
+ res = lp_add_service(servicename, -1);
+ if (res == -1) {
+ goto error;
+ }
+
+ for (i=0; i<num_values; i++) {
+ switch (values[i]->type) {
+ case REG_DWORD: {
+ char *val;
+ if (asprintf(&val, "%d", values[i]->v.dword) == -1) {
+ continue;
+ }
+ lp_do_parameter(res, value_names[i], val);
+ SAFE_FREE(val);
+ break;
+ }
+ case REG_SZ: {
+ lp_do_parameter(res, value_names[i],
+ values[i]->v.sz.str);
+ break;
+ }
+ default:
+ /* Ignore all the rest */
+ break;
+ }
+ }
+
+ TALLOC_FREE(value_names);
+ TALLOC_FREE(values);
+ return res;
+
+ error:
+
+ TALLOC_FREE(value_names);
+ TALLOC_FREE(values);
+ return -1;
+}
+
+void load_registry_shares(void)
+{
+ REGISTRY_KEY *key;
+ REGSUBKEY_CTR *keys;
+ WERROR err;
+ int i;
+
+ if (!lp_registry_shares()) {
+ return;
+ }
+
+ if (!(keys = TALLOC_ZERO_P(NULL, REGSUBKEY_CTR))) {
+ goto done;
+ }
+
+ err = regkey_open_internal(keys, NULL, &key, KEY_SMBCONF,
+ get_root_nt_token(), REG_KEY_READ);
+ if (!(W_ERROR_IS_OK(err))) {
+ goto done;
+ }
+
+ if (fetch_reg_keys(key, keys) == -1) {
+ goto done;
+ }
+
+ for (i=0; i<keys->num_subkeys; i++) {
+ load_registry_service(keys->subkeys[i]);
+ }
+
+ done:
+ TALLOC_FREE(keys);
+ return;
+}
/**
* Find a service entry.
@@ -307,6 +416,10 @@ int find_service(fstring service)
}
}
+ if (iService < 0) {
+ iService = load_registry_service(service);
+ }
+
/* Is it a usershare service ? */
if (iService < 0 && *lp_usershare_path()) {
/* Ensure the name is canonicalized. */
generated by cgit (git 2.34.1) at 2024-12-16 07:15:33 +0000