Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 360 insertions, 0 deletions

diff --git a/source3/winbindd/winbindd.h b/source3/winbindd/winbindd.h
new file mode 100644
index 0000000..093a9fa
--- /dev/null
+++ b/source3/winbindd/winbindd.h
@@ -0,0 +1,360 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Winbind daemon for ntdom nss module
+
+   Copyright (C) Tim Potter 2000
+   Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 3 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _WINBINDD_H
+#define _WINBINDD_H
+
+#include "nsswitch/winbind_struct_protocol.h"
+#include "nsswitch/libwbclient/wbclient.h"
+#include "librpc/gen_ndr/dcerpc.h"
+#include "librpc/gen_ndr/winbind.h"
+
+#include "../lib/util/tevent_ntstatus.h"
+
+#ifdef HAVE_LIBNSCD
+#include <libnscd.h>
+#endif
+
+#ifdef HAVE_SYS_MMAN_H
+#include <sys/mman.h>
+#endif
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_WINBIND
+
+#define WB_REPLACE_CHAR		'_'
+
+struct winbind_internal_pipes;
+struct ads_struct;
+
+struct winbindd_cli_state {
+	struct winbindd_cli_state *prev, *next;   /* Linked list pointers */
+	int sock;                                 /* Open socket from client */
+	pid_t pid;                                /* pid of client */
+	char client_name[32];                     /* The process name of the client */
+	time_t last_access;                       /* Time of last access (read or write) */
+	bool privileged;                           /* Is the client 'privileged' */
+
+	TALLOC_CTX *mem_ctx;			  /* memory per request */
+	const char *cmd_name;
+	NTSTATUS (*recv_fn)(struct tevent_req *req,
+			    struct winbindd_response *presp);
+	struct winbindd_request *request;         /* Request from client */
+	struct tevent_queue *out_queue;
+	struct winbindd_response *response;        /* Respose to client */
+	struct tevent_req *io_req; /* wb_req_read_* or wb_resp_write_* */
+
+	struct getpwent_state *pwent_state; /* State for getpwent() */
+	struct getgrent_state *grent_state; /* State for getgrent() */
+};
+
+struct getpwent_state {
+	struct winbindd_domain *domain;
+	uint32_t next_user;
+	struct wbint_RidArray rids;
+};
+
+struct getgrent_state {
+	struct winbindd_domain *domain;
+	uint32_t next_group;
+	uint32_t num_groups;
+	struct wbint_Principal *groups;
+};
+
+/* Our connection to the DC */
+
+struct winbindd_cm_conn {
+	struct cli_state *cli;
+
+	enum dcerpc_AuthLevel auth_level;
+
+	struct rpc_pipe_client *samr_pipe;
+	struct policy_handle sam_connect_handle, sam_domain_handle;
+
+	struct rpc_pipe_client *lsa_pipe;
+	struct rpc_pipe_client *lsa_pipe_tcp;
+	struct policy_handle lsa_policy;
+
+	struct rpc_pipe_client *netlogon_pipe;
+	struct netlogon_creds_cli_context *netlogon_creds_ctx;
+	bool netlogon_force_reauth;
+};
+
+/* Async child */
+
+struct winbindd_domain;
+
+struct winbindd_child {
+	pid_t pid;
+	struct winbindd_domain *domain;
+	char *logfilename;
+
+	int sock;
+	struct tevent_fd *monitor_fde; /* Watch for dead children/sockets */
+	struct tevent_queue *queue;
+	struct dcerpc_binding_handle *binding_handle;
+
+	struct tevent_timer *lockout_policy_event;
+	struct tevent_timer *machine_password_change_event;
+};
+
+/* Structures to hold per domain information */
+
+struct winbindd_domain {
+	char *name;                            /* Domain name (NetBIOS) */
+	char *alt_name;                        /* alt Domain name, if any (FQDN for ADS) */
+	char *forest_name;                     /* Name of the AD forest we're in */
+	struct dom_sid sid;                           /* SID for this domain */
+	enum netr_SchannelType secure_channel_type;
+	uint32_t domain_flags;                   /* Domain flags from netlogon.h */
+	uint32_t domain_type;                    /* Domain type from netlogon.h */
+	uint32_t domain_trust_attribs;           /* Trust attribs from netlogon.h */
+	struct winbindd_domain *routing_domain;
+	bool initialized;		       /* Did we already ask for the domain mode? */
+	bool native_mode;                      /* is this a win2k domain in native mode ? */
+	bool active_directory;                 /* is this a win2k active directory ? */
+	bool primary;                          /* is this our primary domain ? */
+	bool internal;                         /* BUILTIN and member SAM */
+	bool rodc;                             /* Are we an RODC for this AD domain? (do some operations locally) */
+	bool online;			       /* is this domain available ? */
+	time_t startup_time;		       /* When we set "startup" true. monotonic clock */
+	bool startup;                          /* are we in the first 30 seconds after startup_time ? */
+
+	bool can_do_ncacn_ip_tcp;
+
+	/*
+	 * Lookup methods for this domain (LDAP or RPC). The backend
+	 * methods are used by the cache layer.
+	 */
+	struct winbindd_methods *backend;
+
+	struct {
+		struct winbind_internal_pipes *samr_pipes;
+		struct ads_struct *ads_conn;
+	} backend_data;
+
+	/* A working DC */
+	char *dcname;
+	const char *ping_dcname;
+	struct sockaddr_storage dcaddr;
+
+	/* Sequence number stuff */
+
+	time_t last_seq_check;
+	uint32_t sequence_number;
+	NTSTATUS last_status;
+
+	/* The smb connection */
+
+	struct winbindd_cm_conn conn;
+
+	/* The child pid we're talking to */
+
+	struct winbindd_child *children;
+
+	struct tevent_queue *queue;
+	struct dcerpc_binding_handle *binding_handle;
+
+	struct tevent_req *check_online_event;
+
+	/* Linked list info */
+
+	struct winbindd_domain *prev, *next;
+};
+
+struct wb_parent_idmap_config_dom {
+	unsigned low_id;
+	unsigned high_id;
+	const char *name;
+	struct dom_sid sid;
+};
+
+struct wb_parent_idmap_config {
+	struct tevent_queue *queue;
+	uint32_t num_doms;
+	struct wb_parent_idmap_config_dom *doms;
+};
+
+struct wb_acct_info {
+	const char *acct_name; /* account name */
+	const char *acct_desc; /* account name */
+	uint32_t rid; /* domain-relative RID */
+};
+
+/* per-domain methods. This is how LDAP vs RPC is selected
+ */
+struct winbindd_methods {
+	/* does this backend provide a consistent view of the data? (ie. is the primary group
+	   always correct) */
+	bool consistent;
+
+	/* get a list of users, returning a wbint_userinfo for each one */
+	NTSTATUS (*query_user_list)(struct winbindd_domain *domain,
+				   TALLOC_CTX *mem_ctx,
+				   uint32_t **rids);
+
+	/* get a list of domain groups */
+	NTSTATUS (*enum_dom_groups)(struct winbindd_domain *domain,
+				    TALLOC_CTX *mem_ctx,
+				    uint32_t *num_entries,
+				    struct wb_acct_info **info);
+
+	/* get a list of domain local groups */
+	NTSTATUS (*enum_local_groups)(struct winbindd_domain *domain,
+				    TALLOC_CTX *mem_ctx,
+				    uint32_t *num_entries,
+				    struct wb_acct_info **info);
+
+	/* convert one user or group name to a sid */
+	NTSTATUS (*name_to_sid)(struct winbindd_domain *domain,
+				TALLOC_CTX *mem_ctx,
+				const char *domain_name,
+				const char *name,
+				uint32_t flags,
+				const char **pdom_name,
+				struct dom_sid *sid,
+				enum lsa_SidType *type);
+
+	/* convert a sid to a user or group name */
+	NTSTATUS (*sid_to_name)(struct winbindd_domain *domain,
+				TALLOC_CTX *mem_ctx,
+				const struct dom_sid *sid,
+				char **domain_name,
+				char **name,
+				enum lsa_SidType *type);
+
+	NTSTATUS (*rids_to_names)(struct winbindd_domain *domain,
+				  TALLOC_CTX *mem_ctx,
+				  const struct dom_sid *domain_sid,
+				  uint32_t *rids,
+				  size_t num_rids,
+				  char **domain_name,
+				  char ***names,
+				  enum lsa_SidType **types);
+
+	/* lookup all groups that a user is a member of. The backend
+	   can also choose to lookup by username or rid for this
+	   function */
+	NTSTATUS (*lookup_usergroups)(struct winbindd_domain *domain,
+				      TALLOC_CTX *mem_ctx,
+				      const struct dom_sid *user_sid,
+				      uint32_t *num_groups, struct dom_sid **user_gids);
+
+	/* Lookup all aliases that the sids delivered are member of. This is
+	 * to implement 'domain local groups' correctly */
+	NTSTATUS (*lookup_useraliases)(struct winbindd_domain *domain,
+				       TALLOC_CTX *mem_ctx,
+				       uint32_t num_sids,
+				       const struct dom_sid *sids,
+				       uint32_t *num_aliases,
+				       uint32_t **alias_rids);
+
+	/* find all members of the group with the specified group_rid */
+	NTSTATUS (*lookup_groupmem)(struct winbindd_domain *domain,
+				    TALLOC_CTX *mem_ctx,
+				    const struct dom_sid *group_sid,
+				    enum lsa_SidType type,
+				    uint32_t *num_names,
+				    struct dom_sid **sid_mem, char ***names,
+				    uint32_t **name_types);
+
+	/* return the lockout policy */
+	NTSTATUS (*lockout_policy)(struct winbindd_domain *domain,
+ 				   TALLOC_CTX *mem_ctx,
+				   struct samr_DomInfo12 *lockout_policy);
+
+	/* return the lockout policy */
+	NTSTATUS (*password_policy)(struct winbindd_domain *domain,
+				    TALLOC_CTX *mem_ctx,
+				    struct samr_DomInfo1 *password_policy);
+
+	/* enumerate trusted domains */
+	NTSTATUS (*trusted_domains)(struct winbindd_domain *domain,
+				    TALLOC_CTX *mem_ctx,
+				    struct netr_DomainTrustList *trusts);
+};
+
+/* Filled out by IDMAP backends */
+struct winbindd_idmap_methods {
+  /* Called when backend is first loaded */
+  bool (*init)(void);
+
+  bool (*get_sid_from_uid)(uid_t uid, struct dom_sid *sid);
+  bool (*get_sid_from_gid)(gid_t gid, struct dom_sid *sid);
+
+  bool (*get_uid_from_sid)(struct dom_sid *sid, uid_t *uid);
+  bool (*get_gid_from_sid)(struct dom_sid *sid, gid_t *gid);
+
+  /* Called when backend is unloaded */
+  bool (*close)(void);
+  /* Called to dump backend status */
+  void (*status)(void);
+};
+
+/* Data structures for dealing with the trusted domain cache */
+
+struct winbindd_tdc_domain {
+	const char *domain_name;
+	const char *dns_name;
+        struct dom_sid sid;
+	uint32_t trust_flags;
+	uint32_t trust_attribs;
+	uint32_t trust_type;
+};
+
+struct WINBINDD_MEMORY_CREDS {
+	struct WINBINDD_MEMORY_CREDS *next, *prev;
+	const char *username; /* lookup key. */
+	uid_t uid;
+	int ref_count;
+	size_t len;
+	uint8_t *nt_hash; /* Base pointer for the following 2 */
+	uint8_t *lm_hash;
+	char *pass;
+};
+
+struct WINBINDD_CCACHE_ENTRY {
+	struct WINBINDD_CCACHE_ENTRY *next, *prev;
+	const char *principal_name;
+	const char *ccname;
+	const char *service;
+	const char *username;
+	const char *realm;
+	const char *canon_principal;
+	const char *canon_realm;
+	struct WINBINDD_MEMORY_CREDS *cred_ptr;
+	int ref_count;
+	uid_t uid;
+	time_t create_time;
+	time_t renew_until;
+	time_t refresh_time;
+	struct tevent_timer *event;
+};
+
+#include "winbindd/winbindd_proto.h"
+
+#define WINBINDD_ESTABLISH_LOOP 30
+#define WINBINDD_RESCAN_FREQ lp_winbind_cache_time()
+#define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
+#define DOM_SEQUENCE_NONE ((uint32_t)-1)
+
+#endif /* _WINBINDD_H */