The branch, v4-0-test has been updated via 73ac7c4a1ce937bddd3c52d048665cd0078c6aaa (commit) via f56912e3b545325e941ee898337c5483ec435e39 (commit) from 3f2d12c61e95475009baf77c3e0fbea2abecc17a (commit)
http://gitweb.samba.org/?p=samba.git;a=shortlog;h=v4-0-test - Log ----------------------------------------------------------------- commit 73ac7c4a1ce937bddd3c52d048665cd0078c6aaa Author: Kai Blin <[EMAIL PROTECTED]> Date: Thu Mar 6 00:52:37 2008 +0100 idmap: Map SIDs to unixids instead of uids/gids commit f56912e3b545325e941ee898337c5483ec435e39 Author: Kai Blin <[EMAIL PROTECTED]> Date: Tue Mar 18 10:53:25 2008 +0100 make: Fix make valgrindtest-env ----------------------------------------------------------------------- Summary of changes: source/script/valgrind_run | 4 +- source/winbind/config.mk | 2 + source/winbind/idmap.c | 722 ++++++----------------- source/winbind/idmap.h | 20 + source/winbind/wb_gid2sid.c | 47 ++- source/winbind/wb_sid2gid.c | 48 ++- source/winbind/wb_sid2uid.c | 50 ++- source/winbind/{wb_gid2sid.c => wb_sids2xids.c} | 43 +- source/winbind/wb_uid2sid.c | 49 ++- source/winbind/{wb_gid2sid.c => wb_xids2sids.c} | 43 +- 10 files changed, 400 insertions(+), 628 deletions(-) copy source/winbind/{wb_gid2sid.c => wb_sids2xids.c} (63%) copy source/winbind/{wb_gid2sid.c => wb_xids2sids.c} (63%) Changeset truncated at 500 lines: diff --git a/source/script/valgrind_run b/source/script/valgrind_run index 45361c2..5171d17 100755 --- a/source/script/valgrind_run +++ b/source/script/valgrind_run @@ -4,4 +4,6 @@ ENV="$1" shift 1 -$ENV valgrind -q --db-attach=yes --num-callers=30 $@ +CMD="$ENV valgrind -q --db-attach=yes --num-callers=30 $@" +echo $CMD +eval $CMD diff --git a/source/winbind/config.mk b/source/winbind/config.mk index 2567d61..8c9b3f1 100644 --- a/source/winbind/config.mk +++ b/source/winbind/config.mk @@ -16,6 +16,8 @@ OBJ_FILES = \ wb_dom_info_trusted.o \ wb_sid2domain.o \ wb_name2domain.o \ + wb_sids2xids.o \ + wb_xids2sids.o \ wb_gid2sid.o \ wb_sid2uid.o \ wb_sid2gid.o \ diff --git a/source/winbind/idmap.c b/source/winbind/idmap.c index 3372ad5..de8a43e 100644 --- a/source/winbind/idmap.c +++ b/source/winbind/idmap.c @@ -1,7 +1,7 @@ /* Unix SMB/CIFS implementation. - Map SIDs to uids/gids and back + Map SIDs to unixids and back Copyright (C) Kai Blin 2008 @@ -177,39 +177,46 @@ struct idmap_context *idmap_init(TALLOC_CTX *mem_ctx, return NULL; } + idmap_ctx->unix_groups_sid = dom_sid_parse_talloc(mem_ctx, "S-1-22-2"); + if (idmap_ctx->unix_groups_sid == NULL) { + return NULL; + } + + idmap_ctx->unix_users_sid = dom_sid_parse_talloc(mem_ctx, "S-1-22-1"); + if (idmap_ctx->unix_users_sid == NULL) { + return NULL; + } + return idmap_ctx; } /** - * Convert a uid to the corresponding SID + * Convert an unixid to the corresponding SID * * \param idmap_ctx idmap context to use * \param mem_ctx talloc context the memory for the struct dom_sid is allocated * from. - * \param uid Unix uid to map to a SID - * \param sid Pointer that will take the struct dom_sid pointer if the mapping + * \param unixid pointer to a unixid struct to convert + * \param sid pointer that will take the struct dom_sid pointer if the mapping * succeeds. * \return NT_STATUS_OK on success, NT_STATUS_NONE_MAPPED if mapping not * possible or some other NTSTATUS that is more descriptive on failure. */ -NTSTATUS idmap_uid_to_sid(struct idmap_context *idmap_ctx, TALLOC_CTX *mem_ctx, - const uid_t uid, struct dom_sid **sid) +NTSTATUS idmap_xid_to_sid(struct idmap_context *idmap_ctx, TALLOC_CTX *mem_ctx, + const struct unixid *unixid, struct dom_sid **sid) { int ret; NTSTATUS status = NT_STATUS_NONE_MAPPED; struct ldb_context *ldb = idmap_ctx->ldb_ctx; - struct ldb_message *msg; struct ldb_result *res = NULL; - int trans = -1; - uid_t low, high; - char *sid_string, *uid_string; - struct dom_sid *unix_users_sid, *new_sid; + uint32_t low, high; + struct dom_sid *unix_sid, *new_sid; TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx); ret = ldb_search_exp_fmt(ldb, tmp_ctx, &res, NULL, LDB_SCOPE_SUBTREE, - NULL, "(&(objectClass=sidMap)(uidNumber=%u))", - uid); + NULL, "(&(objectClass=sidMap)(xidNumber=%u))", + unixid->id); if (ret != LDB_SUCCESS) { DEBUG(1, ("Search failed: %s\n", ldb_errstring(ldb))); status = NT_STATUS_NONE_MAPPED; @@ -228,19 +235,13 @@ NTSTATUS idmap_uid_to_sid(struct idmap_context *idmap_ctx, TALLOC_CTX *mem_ctx, return NT_STATUS_OK; } - DEBUG(6, ("uid not found in idmap db, trying to allocate SID.\n")); - - trans = ldb_transaction_start(ldb); - if (trans != LDB_SUCCESS) { - status = NT_STATUS_NONE_MAPPED; - goto failed; - } + DEBUG(6, ("xid not found in idmap db, trying to allocate SID.\n")); /* Now redo the search to make sure noone added a mapping for that SID * while we weren't looking.*/ ret = ldb_search_exp_fmt(ldb, tmp_ctx, &res, NULL, LDB_SCOPE_SUBTREE, - NULL, "(&(objectClass=sidMap)(uidNumber=%u))", - uid); + NULL, "(&(objectClass=sidMap)(xidNumber=%u))", + unixid->id); if (ret != LDB_SUCCESS) { DEBUG(1, ("Search failed: %s\n", ldb_errstring(ldb))); status = NT_STATUS_NONE_MAPPED; @@ -260,285 +261,58 @@ NTSTATUS idmap_uid_to_sid(struct idmap_context *idmap_ctx, TALLOC_CTX *mem_ctx, goto failed; } - if (uid >= low && uid <= high) { - /* An existing user would have been mapped before */ - status = NT_STATUS_NO_SUCH_USER; + if (unixid->id >= low && unixid->id <= high) { + /* An existing xid would have been mapped before */ + status = NT_STATUS_NONE_MAPPED; goto failed; } /* For local users, we just create a rid = uid +1, so root doesn't end * up with a 0 rid */ - unix_users_sid = dom_sid_parse_talloc(tmp_ctx, "S-1-22-1"); - if (unix_users_sid == NULL) { - status = NT_STATUS_NO_MEMORY; - goto failed; - } - - new_sid = dom_sid_add_rid(mem_ctx, unix_users_sid, uid + 1); - if (new_sid == NULL) { - status = NT_STATUS_NO_MEMORY; - goto failed; - } - - sid_string = dom_sid_string(tmp_ctx, new_sid); - if (sid_string == NULL) { - status = NT_STATUS_NO_MEMORY; - goto failed; - } - - uid_string = talloc_asprintf(tmp_ctx, "%u", uid); - if (uid_string == NULL) { - status = NT_STATUS_NO_MEMORY; - goto failed; - } - - msg = ldb_msg_new(tmp_ctx); - if (msg == NULL) { - status = NT_STATUS_NO_MEMORY; - goto failed; - } - - msg->dn = ldb_dn_new_fmt(tmp_ctx, ldb, "CN=%s", sid_string); - if (msg->dn == NULL) { - status = NT_STATUS_NO_MEMORY; - goto failed; - } - - ret = ldb_msg_add_string(msg, "uidNumber", uid_string); - if (ret != LDB_SUCCESS) { - status = NT_STATUS_NONE_MAPPED; - goto failed; - } - - ret = idmap_msg_add_dom_sid(idmap_ctx, tmp_ctx, msg, "objectSid", - new_sid); - if (ret != LDB_SUCCESS) { - status = NT_STATUS_NONE_MAPPED; - goto failed; - } - - ret = ldb_msg_add_string(msg, "objectClass", "sidMap"); - if (ret != LDB_SUCCESS) { - status = NT_STATUS_NONE_MAPPED; - goto failed; - } - - ret = ldb_msg_add_string(msg, "cn", sid_string); - if (ret != LDB_SUCCESS) { - status = NT_STATUS_NONE_MAPPED; - goto failed; - } - - ret = ldb_add(ldb, msg); - if (ret != LDB_SUCCESS) { - status = NT_STATUS_NONE_MAPPED; - goto failed; - } - - trans = ldb_transaction_commit(ldb); - if (trans != LDB_SUCCESS) { - status = NT_STATUS_NONE_MAPPED; - goto failed; - } - - *sid = new_sid; - talloc_free(tmp_ctx); - return NT_STATUS_OK; - -failed: - if (trans == LDB_SUCCESS) ldb_transaction_cancel(ldb); - talloc_free(tmp_ctx); - return status; -} - -/** - * Map a Unix gid to the corresponding SID - * - * \param idmap_ctx idmap context to use - * \param mem_ctx talloc context the memory for the struct dom_sid is allocated - * from. - * \param gid Unix gid to map to a SID - * \param sid Pointer that will take the struct dom_sid pointer if mapping - * succeeds. - * \return NT_STATUS_OK on success, NT_STATUS_NONE_MAPPED if mapping not - * possible or some other NTSTATUS that is more descriptive on failure. - */ -NTSTATUS idmap_gid_to_sid(struct idmap_context *idmap_ctx, TALLOC_CTX *mem_ctx, - const gid_t gid, struct dom_sid **sid) -{ - int ret; - NTSTATUS status = NT_STATUS_NONE_MAPPED; - struct ldb_context *ldb = idmap_ctx->ldb_ctx; - struct ldb_message *msg; - struct ldb_result *res = NULL; - int trans = -1; - gid_t low, high; - char *sid_string, *gid_string; - struct dom_sid *unix_groups_sid, *new_sid; - TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx); - - ret = ldb_search_exp_fmt(ldb, tmp_ctx, &res, NULL, LDB_SCOPE_SUBTREE, - NULL, "(&(objectClass=sidMap)(gidNumber=%u))", gid); - if (ret != LDB_SUCCESS) { - DEBUG(1, ("Search failed: %s\n", ldb_errstring(ldb))); - status = NT_STATUS_NONE_MAPPED; - goto failed; - } - - if (res->count == 1) { - *sid = idmap_msg_get_dom_sid(mem_ctx, res->msgs[0], - "objectSid"); - if (*sid == NULL) { - DEBUG(1, ("Failed to get sid from db: %u\n", ret)); - status = NT_STATUS_NONE_MAPPED; - goto failed; - } - /* No change, so cancel the transaction */ - ldb_transaction_cancel(ldb); - talloc_free(tmp_ctx); - return NT_STATUS_OK; - } - - DEBUG(6, ("gid not found in idmap db, trying to allocate SID.\n")); - - trans = ldb_transaction_start(ldb); - if (trans != LDB_SUCCESS) { - status = NT_STATUS_NONE_MAPPED; - goto failed; - } - - /* Now redo the search to make sure noone added a mapping for that SID - * while we weren't looking.*/ - ret = ldb_search_exp_fmt(ldb, tmp_ctx, &res, NULL, LDB_SCOPE_SUBTREE, - NULL, "(&(objectClass=sidMap)(gidNumber=%u))", - gid); - if (ret != LDB_SUCCESS) { - DEBUG(1, ("Search failed: %s\n", ldb_errstring(ldb))); - status = NT_STATUS_NONE_MAPPED; - goto failed; - } - - if (res->count > 0) { - DEBUG(1, ("sidMap modified while trying to add a mapping.\n")); - status = NT_STATUS_RETRY; - goto failed; - } - - ret = idmap_get_bounds(idmap_ctx, &low, &high); - if (ret != LDB_SUCCESS) { - DEBUG(1, ("Failed to get id bounds from db: %u\n", ret)); - status = NT_STATUS_NONE_MAPPED; - goto failed; - } - - if (gid >= low && gid <= high) { - /* An existing group would have been mapped before */ - status = NT_STATUS_NO_SUCH_USER; - goto failed; + if (unixid->type == ID_TYPE_UID) { + unix_sid = dom_sid_parse_talloc(tmp_ctx, "S-1-22-1"); + } else { + unix_sid = dom_sid_parse_talloc(tmp_ctx, "S-1-22-2"); } - - /* For local groups, we just create a rid = gid +1, so root doesn't end - * up with a 0 rid */ - unix_groups_sid = dom_sid_parse_talloc(tmp_ctx, "S-1-22-2"); - if (unix_groups_sid == NULL) { + if (unix_sid == NULL) { status = NT_STATUS_NO_MEMORY; goto failed; } - new_sid = dom_sid_add_rid(mem_ctx, unix_groups_sid, gid + 1); + new_sid = dom_sid_add_rid(mem_ctx, unix_sid, unixid->id + 1); if (new_sid == NULL) { status = NT_STATUS_NO_MEMORY; goto failed; } - sid_string = dom_sid_string(tmp_ctx, new_sid); - if (sid_string == NULL) { - status = NT_STATUS_NO_MEMORY; - goto failed; - } - - gid_string = talloc_asprintf(tmp_ctx, "%u", gid); - if (gid_string == NULL) { - status = NT_STATUS_NO_MEMORY; - goto failed; - } - - msg = ldb_msg_new(tmp_ctx); - if (msg == NULL) { - status = NT_STATUS_NO_MEMORY; - goto failed; - } - - msg->dn = ldb_dn_new_fmt(tmp_ctx, ldb, "CN=%s", sid_string); - if (msg->dn == NULL) { - status = NT_STATUS_NO_MEMORY; - goto failed; - } - - ret = ldb_msg_add_string(msg, "gidNumber", gid_string); - if (ret != LDB_SUCCESS) { - status = NT_STATUS_NONE_MAPPED; - goto failed; - } - - ret = idmap_msg_add_dom_sid(idmap_ctx, tmp_ctx, msg, "objectSid", - new_sid); - if (ret != LDB_SUCCESS) { - status = NT_STATUS_NONE_MAPPED; - goto failed; - } - - ret = ldb_msg_add_string(msg, "objectClass", "sidMap"); - if (ret != LDB_SUCCESS) { - status = NT_STATUS_NONE_MAPPED; - goto failed; - } - - ret = ldb_msg_add_string(msg, "cn", sid_string); - if (ret != LDB_SUCCESS) { - status = NT_STATUS_NONE_MAPPED; - goto failed; - } - - ret = ldb_add(ldb, msg); - if (ret != LDB_SUCCESS) { - status = NT_STATUS_NONE_MAPPED; - goto failed; - } - - trans = ldb_transaction_commit(ldb); - if (trans != LDB_SUCCESS) { - status = NT_STATUS_NONE_MAPPED; - goto failed; - } - *sid = new_sid; talloc_free(tmp_ctx); return NT_STATUS_OK; failed: - if (trans == LDB_SUCCESS) ldb_transaction_cancel(ldb); talloc_free(tmp_ctx); return status; } + /** - * Map a SID to a Unix uid. + * Map a SID to an unixid struct. * * If no mapping exists, a new mapping will be created. * * \todo Check if SIDs can be resolved if lp_idmap_trusted_only() == true + * \todo Fix backwards compatibility for Samba3 * * \param idmap_ctx idmap context to use * \param mem_ctx talloc context to use - * \param sid SID to map to a Unix uid - * \param uid pointer to receive the mapped uid + * \param sid SID to map to an unixid struct + * \param unixid pointer to a unixid struct pointer * \return NT_STATUS_OK on success, NT_STATUS_INVALID_SID if the sid is not from * a trusted domain and idmap trusted only = true, NT_STATUS_NONE_MAPPED if the * mapping failed. */ -NTSTATUS idmap_sid_to_uid(struct idmap_context *idmap_ctx, TALLOC_CTX *mem_ctx, - const struct dom_sid *sid, uid_t *uid) +NTSTATUS idmap_sid_to_xid(struct idmap_context *idmap_ctx, TALLOC_CTX *mem_ctx, + const struct dom_sid *sid, struct unixid **unixid) { int ret; NTSTATUS status = NT_STATUS_NONE_MAPPED; @@ -547,8 +321,8 @@ NTSTATUS idmap_sid_to_uid(struct idmap_context *idmap_ctx, TALLOC_CTX *mem_ctx, struct ldb_message *hwm_msg, *map_msg; struct ldb_result *res = NULL; int trans; - uid_t low, high, hwm, new_uid; - char *sid_string, *uid_string, *hwm_string; + uint32_t low, high, hwm, new_xid; + char *sid_string, *unixid_string, *hwm_string; bool hwm_entry_exists; TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx); @@ -562,20 +336,65 @@ NTSTATUS idmap_sid_to_uid(struct idmap_context *idmap_ctx, TALLOC_CTX *mem_ctx, } if (res->count == 1) { - new_uid = ldb_msg_find_attr_as_uint(res->msgs[0], "uidNumber", + new_xid = ldb_msg_find_attr_as_uint(res->msgs[0], "xidNumber", -1); - if (new_uid == (uid_t) -1) { - DEBUG(1, ("Invalid uid mapping.\n")); + if (new_xid == (uint32_t) -1) { + DEBUG(1, ("Invalid xid mapping.\n")); status = NT_STATUS_NONE_MAPPED; goto failed; } - *uid = new_uid; + + *unixid = talloc(mem_ctx, struct unixid); + if (*unixid == NULL) { + status = NT_STATUS_NO_MEMORY; + goto failed; + } + + (*unixid)->id = new_xid; + (*unixid)->type = ID_TYPE_BOTH; + talloc_free(tmp_ctx); return NT_STATUS_OK; } DEBUG(6, ("No existing mapping found, attempting to create one.\n")); + if (dom_sid_in_domain(idmap_ctx->unix_users_sid, sid)) { + uint32_t rid; + DEBUG(6, ("This is a local unix uid, just calculate that.\n")); + status = dom_sid_split_rid(tmp_ctx, sid, NULL, &rid); + if (!NT_STATUS_IS_OK(status)) goto failed; + + *unixid = talloc(mem_ctx, struct unixid); + if (*unixid == NULL) { + status = NT_STATUS_NO_MEMORY; + goto failed; + } + (*unixid)->id = rid - 1; + (*unixid)->type = ID_TYPE_UID; + + talloc_free(tmp_ctx); + return NT_STATUS_OK; + } + + if (dom_sid_in_domain(idmap_ctx->unix_groups_sid, sid)) { + uint32_t rid; + DEBUG(6, ("This is a local unix gid, just calculate that.\n")); + status = dom_sid_split_rid(tmp_ctx, sid, NULL, &rid); + if (!NT_STATUS_IS_OK(status)) goto failed; + + *unixid = talloc(mem_ctx, struct unixid); + if (*unixid == NULL) { + status = NT_STATUS_NO_MEMORY; + goto failed; + } + (*unixid)->id = rid - 1; + (*unixid)->type = ID_TYPE_GID; + + talloc_free(tmp_ctx); + return NT_STATUS_OK; + } + -- Samba Shared Repository