ypldap.h revision 290935 
1/*	$OpenBSD: ypldap.h,v 1.16 2015/01/16 06:40:22 deraadt Exp $ */
2/*	$FreeBSD: head/usr.sbin/ypldap/ypldap.h 290935 2015-11-16 17:02:34Z rodrigc $ */
3
4/*
5 * Copyright (c) 2008 Pierre-Yves Ritschard <pyr@openbsd.org>
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20#include <imsg.h>
21
22#define YPLDAP_USER		"_ypldap"
23#define YPLDAP_CONF_FILE	"/etc/ypldap.conf"
24#define DEFAULT_INTERVAL	600
25#define LINE_WIDTH		1024
26#define FILTER_WIDTH		128
27#define ATTR_WIDTH		32
28
29#define        MAX_SERVERS_DNS                 8
30
31enum imsg_type {
32	IMSG_NONE,
33	IMSG_CONF_START,
34	IMSG_CONF_IDM,
35	IMSG_CONF_END,
36	IMSG_START_UPDATE,
37	IMSG_END_UPDATE,
38	IMSG_TRASH_UPDATE,
39	IMSG_PW_ENTRY,
40	IMSG_GRP_ENTRY,
41	IMSG_HOST_DNS
42};
43
44struct ypldap_addr {
45	struct ypldap_addr              *next;
46	struct sockaddr_storage          ss;
47};
48
49enum {
50	PROC_MAIN,
51	PROC_CLIENT
52} ypldap_process;
53
54struct userent {
55	RB_ENTRY(userent)		 ue_name_node;
56	RB_ENTRY(userent)		 ue_uid_node;
57	uid_t				 ue_uid;
58	char				*ue_line;
59	char				*ue_netid_line;
60	gid_t				 ue_gid;
61};
62
63struct groupent {
64	RB_ENTRY(groupent)		 ge_name_node;
65	RB_ENTRY(groupent)		 ge_gid_node;
66	gid_t				 ge_gid;
67	char				*ge_line;
68};
69
70enum client_state {
71        STATE_NONE,
72        STATE_DNS_INPROGRESS,
73        STATE_DNS_TEMPFAIL,
74        STATE_DNS_DONE,
75	STATE_LDAP_FAIL,
76	STATE_LDAP_DONE
77};
78
79/*
80 * beck, djm, dlg: pay attention to the struct name
81 */
82struct idm {
83	TAILQ_ENTRY(idm)		 idm_entry;
84	u_int32_t                        idm_id;
85	char				 idm_name[MAXHOSTNAMELEN];
86#define F_SSL				 0x00100000
87#define F_CONFIGURING			 0x00200000
88#define F_NEEDAUTH			 0x00400000
89#define F_FIXED_ATTR(n)			 (1<<n)
90#define F_LIST(n)                        (1<<n)
91	enum client_state		 idm_state;
92	u_int32_t			 idm_flags; /* lower 20 reserved */
93	u_int32_t			 idm_list;
94	struct ypldap_addr		*idm_addr;
95	in_port_t			 idm_port;
96	char				 idm_binddn[LINE_WIDTH];
97	char				 idm_bindcred[LINE_WIDTH];
98	char				 idm_basedn[LINE_WIDTH];
99	char				 idm_groupdn[LINE_WIDTH];
100#define FILTER_USER			 1
101#define FILTER_GROUP			 0
102	char				 idm_filters[2][FILTER_WIDTH];
103#define ATTR_NAME			 0
104#define ATTR_PASSWD			 1
105#define ATTR_UID			 2
106#define ATTR_GID			 3
107#define ATTR_CLASS			 4
108#define ATTR_CHANGE			 5
109#define ATTR_EXPIRE			 6
110#define ATTR_GECOS			 7
111#define ATTR_DIR			 8
112#define ATTR_SHELL			 9
113#define ATTR_GR_NAME			 10
114#define ATTR_GR_PASSWD			 11
115#define ATTR_GR_GID			 12
116#define ATTR_GR_MEMBERS			 13
117#define ATTR_MAX			 10
118#define ATTR_GR_MIN			 10
119#define ATTR_GR_MAX			 14
120	char				 idm_attrs[14][ATTR_WIDTH];
121	struct env			*idm_env;
122	struct event			 idm_ev;
123#ifdef SSL
124	struct ssl			*idm_ssl;
125#endif
126};
127
128struct idm_req {
129	union {
130		uid_t			 ik_uid;
131		uid_t			 ik_gid;
132	}				 ir_key;
133	char				 ir_line[LINE_WIDTH];
134};
135
136struct imsgev {
137	struct imsgbuf		 ibuf;
138	void			(*handler)(int, short, void *);
139	struct event		 ev;
140	void			*data;
141	short			 events;
142};
143
144struct env {
145#define YPLDAP_OPT_VERBOSE		 0x01
146#define YPLDAP_OPT_NOACTION		 0x02
147	u_int8_t			 sc_opts;
148#define YPMAP_PASSWD_BYNAME		 0x00000001
149#define YPMAP_PASSWD_BYUID		 0x00000002
150#define YPMAP_MASTER_PASSWD_BYNAME	 0x00000004
151#define YPMAP_MASTER_PASSWD_BYUID	 0x00000008
152#define YPMAP_GROUP_BYNAME		 0x00000010
153#define YPMAP_GROUP_BYGID		 0x00000020
154#define YPMAP_NETID_BYNAME		 0x00000040
155	u_int32_t			 sc_flags;
156
157	u_int32_t			 sc_maxid;
158
159	char				 sc_domainname[MAXHOSTNAMELEN];
160	struct timeval			 sc_conf_tv;
161	struct event			 sc_conf_ev;
162	TAILQ_HEAD(idm_list, idm)	 sc_idms;
163	struct imsgev			*sc_iev;
164	struct imsgev			*sc_iev_dns;
165
166	RB_HEAD(user_name_tree,userent)	 *sc_user_names;
167	RB_HEAD(user_uid_tree,userent)	 sc_user_uids;
168	RB_HEAD(group_name_tree,groupent)*sc_group_names;
169	RB_HEAD(group_gid_tree,groupent) sc_group_gids;
170	struct user_name_tree		 *sc_user_names_t;
171	struct group_name_tree		 *sc_group_names_t;
172	size_t				 sc_user_line_len;
173	size_t				 sc_group_line_len;
174	char				*sc_user_lines;
175	char				*sc_group_lines;
176
177	struct yp_data			*sc_yp;
178
179	int				 update_trashed;
180};
181
182/* log.c */
183void		 log_init(int);
184void		 log_warn(const char *, ...);
185void		 log_warnx(const char *, ...);
186void		 log_info(const char *, ...);
187void		 log_debug(const char *, ...);
188void		 logit(int, const char *, ...);
189void		 vlog(int, const char *, va_list);
190__dead void	 fatal(const char *);
191__dead void	 fatalx(const char *);
192
193/* parse.y */
194int		 parse_config(struct env *, const char *, int);
195int		 cmdline_symset(char *);
196
197/* ldapclient.c */
198pid_t		 ldapclient(int []);
199
200/* ypldap.c */
201void		 purge_config(struct env *);
202void		 imsg_event_add(struct imsgev *);
203int	 	 imsg_compose_event(struct imsgev *, u_int16_t, u_int32_t,
204		    pid_t, int, void *, u_int16_t);
205
206/* entries.c */
207void		 flatten_entries(struct env *);
208int		 userent_name_cmp(struct userent *, struct userent *);
209int		 userent_uid_cmp(struct userent *, struct userent *);
210int		 groupent_name_cmp(struct groupent *, struct groupent *);
211int		 groupent_gid_cmp(struct groupent *, struct groupent *);
212RB_PROTOTYPE(	 user_name_tree, userent, ue_name_node, userent_name_cmp);
213RB_PROTOTYPE(	 user_uid_tree, userent, ue_uid_node, userent_uid_cmp);
214RB_PROTOTYPE(	 group_name_tree, groupent, ge_name_node, groupent_name_cmp);
215RB_PROTOTYPE(	 group_gid_tree, groupent, ge_gid_node, groupent_gid_cmp);
216
217/* yp.c */
218void		 yp_init(struct env *);
219void		 yp_enable_events(void);
220
221/* ypldap_dns.c */
222pid_t		 ypldap_dns(int[2], struct passwd *);
223