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-rw-r--r--source4/dsdb/samdb/ldb_modules/samba3sam.c176
-rw-r--r--source4/lib/ldb/modules/ldb_map.c116
-rw-r--r--source4/lib/samba3/PLAN6
3 files changed, 217 insertions, 81 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/samba3sam.c b/source4/dsdb/samdb/ldb_modules/samba3sam.c
index 9730363e92..41228e52f8 100644
--- a/source4/dsdb/samdb/ldb_modules/samba3sam.c
+++ b/source4/dsdb/samdb/ldb_modules/samba3sam.c
@@ -9,8 +9,9 @@
#include "ldb/include/ldb.h"
#include "ldb/include/ldb_private.h"
#include "librpc/gen_ndr/ndr_security.h"
+#include "system/passwd.h"
-/* FIXME:
+/*
* sambaSID -> member (dn!)
* sambaSIDList -> member (dn!)
* sambaDomainName -> name
@@ -46,40 +47,114 @@
/* In Samba4 but not in Samba3:
*/
-static struct ldb_val convert_sid_rid(struct ldb_module *module, TALLOC_CTX *ctx, const struct ldb_val *val)
+
+static struct ldb_message_element *generate_primaryGroupID(struct ldb_module *module, TALLOC_CTX *ctx, const char *attr, const struct ldb_message *remote)
+{
+ struct ldb_message_element *el;
+ const char *sid = ldb_msg_find_string(remote, attr, NULL);
+
+ if (!sid)
+ return NULL;
+
+ if (strchr(sid, '-') == NULL)
+ return NULL;
+
+ el = talloc_zero(ctx, struct ldb_message_element);
+ el->name = talloc_strdup(ctx, "primaryGroupID");
+ el->num_values = 1;
+ el->values = talloc_array(ctx, struct ldb_val, 1);
+ el->values[0].data = (uint8_t *)talloc_strdup(ctx, strchr(sid, '-')+1);
+ el->values[0].length = strlen((char *)el->values[0].data);
+
+ return el;
+}
+
+static void generate_sambaPrimaryGroupSID(struct ldb_module *module, const char *local_attr, const struct ldb_message *local, struct ldb_message *remote_mp, struct ldb_message *remote_fb)
{
- printf("Converting SID TO RID *\n");
+ const struct ldb_val *sidval;
+ struct dom_sid *sid;
+ struct ldb_val out;
+ NTSTATUS status;
+
+ sidval = ldb_msg_find_ldb_val(local, "objectSid");
+
+ if (!sidval)
+ return; /* Sorry, no SID today.. */
+
+ sid = talloc(remote_mp, struct dom_sid);
+ if (sid == NULL) {
+ return;
+ }
+ status = ndr_pull_struct_blob(sidval, sid, sid, (ndr_pull_flags_fn_t)ndr_pull_dom_sid);
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(sid);
+ return;
+ }
+
+ if (!ldb_msg_find_ldb_val(local, "primaryGroupID"))
+ return; /* Sorry, no SID today.. */
- /* FIXME */
+ sid->sub_auths[sid->num_auths-1] = ldb_msg_find_uint(local, "primaryGroupID", 0);
- return ldb_val_dup(ctx, val);
+ status = ndr_push_struct_blob(&out, remote_mp, sid, (ndr_push_flags_fn_t)ndr_push_dom_sid);
+ talloc_free(sid);
+ if (!NT_STATUS_IS_OK(status)) {
+ return;
+ }
+
+ ldb_msg_add_value(module->ldb, remote_mp, "sambaPrimaryGroupSID", &out);
}
-static struct ldb_val convert_rid_sid(struct ldb_module *module, TALLOC_CTX *ctx, const struct ldb_val *val)
+
+static struct ldb_val lookup_homedir(struct ldb_module *module, TALLOC_CTX *ctx, const struct ldb_val *val)
{
- printf("Converting RID TO SID *\n");
+ struct passwd *pwd;
+ struct ldb_val retval;
+
+ pwd = getpwnam((char *)val->data);
+
+ if (!pwd) {
+ return *talloc_zero(ctx, struct ldb_val);
+ }
- /* FIXME */
+ retval.data = (uint8_t *)talloc_strdup(ctx, pwd->pw_dir);
+ retval.length = strlen((char *)retval.data);
- return ldb_val_dup(ctx, val);
+ return retval;
}
-static struct ldb_val convert_unix_id2name(struct ldb_module *module, TALLOC_CTX *ctx, const struct ldb_val *val)
+static struct ldb_val lookup_gid(struct ldb_module *module, TALLOC_CTX *ctx, const struct ldb_val *val)
{
- printf("Converting UNIX ID to name\n");
+ struct passwd *pwd;
+ struct ldb_val retval;
+
+ pwd = getpwnam((char *)val->data);
- /* FIXME */
+ if (!pwd) {
+ return *talloc_zero(ctx, struct ldb_val);
+ }
- return ldb_val_dup(ctx, val);
+ retval.data = (uint8_t *)talloc_asprintf(ctx, "%d", pwd->pw_gid);
+ retval.length = strlen((char *)retval.data);
+
+ return retval;
}
-static struct ldb_val convert_unix_name2id(struct ldb_module *module, TALLOC_CTX *ctx, const struct ldb_val *val)
+static struct ldb_val lookup_uid(struct ldb_module *module, TALLOC_CTX *ctx, const struct ldb_val *val)
{
- printf("Converting UNIX name to ID\n");
+ struct passwd *pwd;
+ struct ldb_val retval;
+
+ pwd = getpwnam((char *)val->data);
- /* FIXME */
+ if (!pwd) {
+ return *talloc_zero(ctx, struct ldb_val);
+ }
+
+ retval.data = (uint8_t *)talloc_asprintf(ctx, "%d", pwd->pw_uid);
+ retval.length = strlen((char *)retval.data);
- return ldb_val_dup(ctx, val);
+ return retval;
}
static struct ldb_val encode_sid(struct ldb_module *module, TALLOC_CTX *ctx, const struct ldb_val *val)
@@ -128,16 +203,31 @@ static struct ldb_val decode_sid(struct ldb_module *module, TALLOC_CTX *ctx, con
}
const struct ldb_map_objectclass samba3_objectclasses[] = {
+ {
+ .local_name = "user",
+ .remote_name = "posixAccount",
+ .base_classes = { "top", NULL },
+ .musts = { "cn", "uid", "uidNumber", "gidNumber", "homeDirectory", NULL },
+ .mays = { "userPassword", "loginShell", "gecos", "description", NULL },
+ },
+ {
+ .local_name = "group",
+ .remote_name = "posixGroup",
+ .base_classes = { "top", NULL },
+ .musts = { "cn", "gidNumber", NULL },
+ .mays = { "userPassword", "memberUid", "description", NULL },
+ },
{
.local_name = "group",
.remote_name = "sambaGroupMapping",
+ .base_classes = { "top", "posixGroup", NULL },
.musts = { "gidNumber", "sambaSID", "sambaGroupType", NULL },
.mays = { "displayName", "description", "sambaSIDList", NULL },
},
{
.local_name = "user",
.remote_name = "sambaSAMAccount",
- .base_classes = { "top", NULL },
+ .base_classes = { "top", "posixAccount", NULL },
.musts = { "uid", "sambaSID", NULL },
.mays = { "cn", "sambaLMPassword", "sambaNTPassword",
"sambaPwdLastSet", "sambaLogonTime", "sambaLogoffTime",
@@ -156,7 +246,7 @@ const struct ldb_map_objectclass samba3_objectclasses[] = {
.musts = { "sambaDomainName", "sambaSID", NULL },
.mays = { "sambaNextRid", "sambaNextGroupRid", "sambaNextUserRid", "sambaAlgorithmicRidBase", NULL },
},
- { NULL, NULL }
+ { NULL, NULL }
};
const struct ldb_map_attribute samba3_attributes[] =
@@ -219,12 +309,12 @@ const struct ldb_map_attribute samba3_attributes[] =
/* sambaPrimaryGroupSID -> primaryGroupID */
{
.local_name = "primaryGroupID",
- .type = MAP_CONVERT,
+ .type = MAP_GENERATE,
.u = {
- .convert = {
- .remote_name = "sambaPrimaryGroupSID",
- .convert_local = convert_rid_sid,
- .convert_remote = convert_sid_rid,
+ .generate = {
+ .remote_names = { "sambaPrimaryGroupSID", NULL },
+ .generate_local = generate_primaryGroupID,
+ .generate_remote = generate_sambaPrimaryGroupSID,
},
},
},
@@ -267,7 +357,7 @@ const struct ldb_map_attribute samba3_attributes[] =
.local_name = "unixName",
.type = MAP_RENAME,
.u = {
- .convert = {
+ .rename = {
.remote_name = "uid",
},
},
@@ -723,6 +813,42 @@ const struct ldb_map_attribute samba3_attributes[] =
.type = MAP_IGNORE,
},
+ /* uidNumber */
+ {
+ .local_name = "unixName",
+ .type = MAP_CONVERT,
+ .u = {
+ .convert = {
+ .remote_name = "uidNumber",
+ .convert_local = lookup_uid,
+ },
+ },
+ },
+
+ /* gidNumber. Perhaps make into generate so we can distinguish between
+ * groups and accounts? */
+ {
+ .local_name = "unixName",
+ .type = MAP_CONVERT,
+ .u = {
+ .convert = {
+ .remote_name = "gidNumber",
+ .convert_local = lookup_gid,
+ },
+ },
+ },
+
+ /* homeDirectory */
+ {
+ .local_name = "unixName",
+ .type = MAP_CONVERT,
+ .u = {
+ .convert = {
+ .remote_name = "homeDirectory",
+ .convert_local = lookup_homedir,
+ },
+ },
+ },
{
.local_name = NULL,
}
diff --git a/source4/lib/ldb/modules/ldb_map.c b/source4/lib/ldb/modules/ldb_map.c
index 5a5575d1e0..f3ece2621e 100644
--- a/source4/lib/ldb/modules/ldb_map.c
+++ b/source4/lib/ldb/modules/ldb_map.c
@@ -27,15 +27,6 @@
#include "ldb/include/ldb_private.h"
#include "ldb/modules/ldb_map.h"
-/* FIXME:
- * - per remote objectclass:
- * - remote name
- * - local name
- * - remote bases
- * - musts
- * - mays
- */
-
/*
- special attribute 'isMapped'
- add/modify
@@ -164,33 +155,39 @@ static const struct ldb_map_attribute *map_find_attr_local(struct ldb_map_contex
/* Check if a given attribute can be created by doing mapping from a local attribute to a remote one */
static int map_msg_can_map_attr(struct ldb_module *module, const struct ldb_message *msg, const char *attr_name)
{
- struct ldb_map_context *map = module->private_data;
- int i, j;
-
- for (i = 0; i < msg->num_elements; i++) {
- const struct ldb_map_attribute *attr = map_find_attr_local(map, msg->elements[i].name);
+ struct ldb_map_context *privdat = module->private_data;
+ int i,j;
- if (!attr)
+ for (i = 0; privdat->attribute_maps[i].local_name; i++) {
+ switch (privdat->attribute_maps[i].type) {
+ case MAP_IGNORE: /* No remote name at all */
continue;
-
- switch (attr->type) {
- case MAP_IGNORE: continue;
case MAP_KEEP:
- if (ldb_attr_cmp(attr->local_name, attr_name) == 0) return 1;
- break;
+ if (ldb_attr_cmp(attr_name, privdat->attribute_maps[i].local_name) == 0)
+ goto found;
+ break;
case MAP_RENAME:
case MAP_CONVERT:
- if (ldb_attr_cmp(attr->u.rename.remote_name, attr_name) == 0) return 1;
- break;
+ if (ldb_attr_cmp(attr_name, privdat->attribute_maps[i].u.rename.remote_name) == 0)
+ goto found;
+ break;
case MAP_GENERATE:
- for (j = 0; attr->u.generate.remote_names[j]; j++) {
- if (ldb_attr_cmp(attr->u.generate.remote_names[j], attr_name) == 0) return 1;
- }
- break;
+ for (j = 0; privdat->attribute_maps[i].u.generate.remote_names[j]; j++) {
+ if (ldb_attr_cmp(attr_name, privdat->attribute_maps[i].u.generate.remote_names[j]) == 0)
+ goto found;
+ }
+ break;
}
}
return 0;
+
+found:
+
+ if (ldb_msg_find_element(msg, privdat->attribute_maps[i].local_name))
+ return 1;
+
+ return 0;
}
@@ -684,29 +681,28 @@ static int map_rename(struct ldb_module *module, const struct ldb_dn *olddn, con
{
struct ldb_map_context *privdat = map_get_privdat(module);
struct ldb_dn *n_olddn, *n_newdn;
- int fb_ret, mp_ret;
+ int ret;
- fb_ret = ldb_next_rename_record(module, olddn, newdn);
-
- if (fb_ret != -1) {
- ldb_debug(module->ldb, LDB_DEBUG_TRACE, "Fallback record renamed");
- return fb_ret;
- }
-
n_olddn = map_local_dn(module, module, olddn);
n_newdn = map_local_dn(module, module, newdn);
- mp_ret = ldb_rename(privdat->mapped_ldb, n_olddn, n_newdn);
- if (mp_ret != -1) {
+ ret = ldb_rename(privdat->mapped_ldb, n_olddn, n_newdn);
+ if (ret != -1) {
ldb_debug(module->ldb, LDB_DEBUG_TRACE, "Mapped record renamed");
+ ldb_next_rename_record(module, olddn, newdn);
+ } else {
+ ret = ldb_next_rename_record(module, olddn, newdn);
+
+ if (ret != -1) {
+ ldb_debug(module->ldb, LDB_DEBUG_TRACE, "Fallback record renamed");
+ }
}
- ldb_next_rename_record(module, olddn, newdn);
talloc_free(n_olddn);
talloc_free(n_newdn);
- return mp_ret;
+ return ret;
}
/*
@@ -716,26 +712,25 @@ static int map_delete(struct ldb_module *module, const struct ldb_dn *dn)
{
struct ldb_map_context *privdat = map_get_privdat(module);
struct ldb_dn *newdn;
- int fb_ret, mp_ret;
-
- fb_ret = ldb_next_delete_record(module, dn);
- if (fb_ret != -1) {
- ldb_debug(module->ldb, LDB_DEBUG_TRACE, "Fallback record deleted");
- return fb_ret;
- }
+ int ret;
newdn = map_local_dn(module, module, dn);
- mp_ret = ldb_delete(privdat->mapped_ldb, newdn);
- if (mp_ret != -1) {
+ ret = ldb_delete(privdat->mapped_ldb, newdn);
+ if (ret != -1) {
ldb_debug(module->ldb, LDB_DEBUG_TRACE, "Mapped record deleted");
+ } else {
+ ret = ldb_next_delete_record(module, dn);
+ if (ret != -1) {
+ ldb_debug(module->ldb, LDB_DEBUG_TRACE, "Fallback record deleted");
+ }
}
ldb_next_delete_record(module, newdn);
talloc_free(newdn);
- return mp_ret;
+ return ret;
}
/* search fallback database */
@@ -868,7 +863,7 @@ static int map_search_bytree(struct ldb_module *module, const struct ldb_dn *bas
enum ldb_scope scope, struct ldb_parse_tree *tree,
const char * const *attrs, struct ldb_message ***res)
{
- struct ldb_message **fbres, **mpres;
+ struct ldb_message **fbres, **mpres = NULL;
int i;
int ret_fb, ret_mp;
@@ -968,16 +963,20 @@ static int map_add(struct ldb_module *module, const struct ldb_message *msg)
/* Add this objectClass to the list if all musts are present */
for (j = 0; privdat->objectclass_maps[i].musts[j]; j++) {
- if (!map_msg_can_map_attr(module, msg, privdat->objectclass_maps[i].musts[j]))
+ if (!map_msg_can_map_attr(module, msg, privdat->objectclass_maps[i].musts[j])) {
+ ldb_debug(module->ldb, LDB_DEBUG_TRACE, "map_add: Not adding objectClass %s because it is not possible to create remote attribute %s", privdat->objectclass_maps[i].local_name, privdat->objectclass_maps[i].musts[j]);
break;
+ }
}
has_musts = (privdat->objectclass_maps[i].musts[j] == NULL);
/* Check if base classes are present as well */
for (j = 0; privdat->objectclass_maps[i].base_classes[j]; j++) {
- if (!msg_contains_objectclass(mp, privdat->objectclass_maps[i].base_classes[j]))
+ if (!msg_contains_objectclass(mp, privdat->objectclass_maps[i].base_classes[j])) {
+ ldb_debug(module->ldb, LDB_DEBUG_TRACE, "map_add: Not adding objectClass %s of missing base class %s", privdat->objectclass_maps[i].local_name, privdat->objectclass_maps[i].base_classes[j]);
break;
+ }
}
has_baseclasses = (privdat->objectclass_maps[i].base_classes[j] == NULL);
@@ -985,6 +984,7 @@ static int map_add(struct ldb_module *module, const struct ldb_message *msg)
/* Apparently, it contains all required elements */
if (has_musts && has_baseclasses) {
ldb_msg_add_string(module->ldb, mp, "objectClass", privdat->objectclass_maps[i].remote_name);
+ ldb_debug(module->ldb, LDB_DEBUG_TRACE, "map_add: Adding objectClass %s", privdat->objectclass_maps[i].remote_name);
}
}
@@ -1000,7 +1000,7 @@ static int map_add(struct ldb_module *module, const struct ldb_message *msg)
*/
for (i = 0; i < msg->num_elements; i++) {
const struct ldb_map_attribute *attr;
- struct ldb_message_element *elm;
+ struct ldb_message_element *elm = NULL;
enum ldb_map_attr_type map_type;
int j;
int mapped = 0;
@@ -1018,10 +1018,12 @@ static int map_add(struct ldb_module *module, const struct ldb_message *msg)
/* Decide whether or not we need to map or fallback */
switch (map_type) {
case MAP_GENERATE:
+ ldb_debug(module->ldb, LDB_DEBUG_TRACE, "Generating from %s", attr->local_name);
attr->u.generate.generate_remote(module, attr->local_name, msg, mp, fb);
continue;
case MAP_KEEP:
mapped = map_msg_valid_attr(module, mp, attr->local_name);
+ break;
case MAP_IGNORE: mapped = 0; break;
case MAP_CONVERT:
case MAP_RENAME: mapped = map_msg_valid_attr(module, mp, attr->u.rename.remote_name);
@@ -1031,6 +1033,7 @@ static int map_add(struct ldb_module *module, const struct ldb_message *msg)
if (mapped) {
switch (map_type) {
case MAP_KEEP:
+ ldb_debug(module->ldb, LDB_DEBUG_TRACE, "Keeping %s", attr->local_name);
elm = talloc(fb, struct ldb_message_element);
elm->num_values = msg->elements[i].num_values;
@@ -1039,6 +1042,7 @@ static int map_add(struct ldb_module *module, const struct ldb_message *msg)
break;
case MAP_RENAME:
+ ldb_debug(module->ldb, LDB_DEBUG_TRACE, "Renaming %s -> %s", attr->local_name, attr->u.rename.remote_name);
elm = talloc(mp, struct ldb_message_element);
elm->name = talloc_strdup(elm, attr->u.rename.remote_name);
@@ -1047,6 +1051,7 @@ static int map_add(struct ldb_module *module, const struct ldb_message *msg)
break;
case MAP_CONVERT:
+ ldb_debug(module->ldb, LDB_DEBUG_TRACE, "Converting %s -> %s", attr->local_name, attr->u.convert.remote_name);
elm = talloc(mp, struct ldb_message_element);
elm->name = talloc_strdup(elm, attr->u.rename.remote_name);
@@ -1064,10 +1069,11 @@ static int map_add(struct ldb_module *module, const struct ldb_message *msg)
case MAP_GENERATE:
case MAP_IGNORE:
ldb_debug(module->ldb, LDB_DEBUG_FATAL, "This line should never be reached");
- break;
+ continue;
}
ldb_msg_add(module->ldb, mp, elm, 0);
} else {
+ ldb_debug(module->ldb, LDB_DEBUG_TRACE, "Fallback storing %s", msg->elements[i].name);
elm = talloc(fb, struct ldb_message_element);
elm->num_values = msg->elements[i].num_values;
@@ -1197,13 +1203,13 @@ static int map_modify(struct ldb_module *module, const struct ldb_message *msg)
ldb_msg_add_string(module->ldb, fb, "isMapped", "TRUE");
fb_ret = ldb_next_add_record(module, fb);
}
- }
+ } else fb_ret = 0;
talloc_free(fb);
if (mp->num_elements > 0) {
ldb_debug(module->ldb, LDB_DEBUG_TRACE, "Modifying mapped record with %d elements", mp->num_elements);
mp_ret = ldb_modify(privdat->mapped_ldb, mp);
- }
+ } else mp_ret = 0;
talloc_free(mp);
return (mp_ret == -1 || fb_ret == -1)?-1:0;
diff --git a/source4/lib/samba3/PLAN b/source4/lib/samba3/PLAN
index 4351ce2e61..916617638b 100644
--- a/source4/lib/samba3/PLAN
+++ b/source4/lib/samba3/PLAN
@@ -1,3 +1,7 @@
TODO (SoC project):
- - [ldb_map] some more strict checking when sending data to an LDAP server
- fix ntPwdHash / lmPwdHash bug
+ - ldb_map
+ - convert_remote() can be NULL!
+ - new way of finding remote attribute in map_add()
+ - loop over all attributes
+ - if local one present, run!
generated by cgit (git 2.34.1) at 2024-12-30 13:23:38 +0000