1#ifndef NTP_CONFIG_H
2#define NTP_CONFIG_H
3
4#ifdef HAVE_SYS_RESOURCE_H
5# include <sys/resource.h>
6#endif /* HAVE_SYS_RESOURCE_H */
7
8#include "ntp_machine.h"
9#include "ntp_psl.h"
10#include "ntpsim.h"
11
12
13/*
14 * Configuration file name
15 */
16#ifndef CONFIG_FILE
17# ifndef SYS_WINNT
18#  define	CONFIG_FILE "/etc/ntp.conf"
19# else /* SYS_WINNT */
20#  define	CONFIG_FILE	"%windir%\\system32\\drivers\\etc\\ntp.conf"
21#  define	ALT_CONFIG_FILE "%windir%\\ntp.conf"
22#  define	NTP_KEYSDIR	"%windir%\\system32\\drivers\\etc"
23# endif /* SYS_WINNT */
24#endif /* not CONFIG_FILE */
25
26
27/*
28 * We keep config trees around for possible saveconfig use.  When
29 * built with configure --disable-saveconfig, and when built with
30 * debugging enabled, include the free_config_*() routines.  In the
31 * DEBUG case, they are used in an atexit() cleanup routine to make
32 * postmortem leak check reports more interesting.
33 */
34#if !defined(FREE_CFG_T) && (!defined(SAVECONFIG) || defined(DEBUG))
35#define FREE_CFG_T
36#endif
37
38/* Limits */
39#define MAXLINE 1024
40
41/* Configuration sources */
42
43#define CONF_SOURCE_FILE		0
44#define CONF_SOURCE_NTPQ		1
45
46/* list of servers from command line for config_peers() */
47extern	int	cmdline_server_count;
48extern	char **	cmdline_servers;
49
50/* set to zero if we're not locking memory */
51extern	int	cur_memlock;
52
53typedef struct int_range_tag {
54	int	first;
55	int	last;
56} int_range;
57
58/* generic list node */
59typedef struct any_node_tag any_node;
60struct any_node_tag {
61	any_node *	link;
62};
63
64typedef DECL_FIFO_ANCHOR(any_node) any_node_fifo;
65
66/* Structure for storing an attribute-value pair */
67typedef struct attr_val_tag attr_val;
68struct attr_val_tag {
69	attr_val *	link;
70	int		attr;
71	int		type;	/* T_String, T_Integer, ... */
72	int		flag;	/* auxiliary flags */
73	union val {
74		double		d;	/* T_Double */
75		int		i;	/* T_Integer */
76		int_range	r;	/* T_Intrange */
77		char *		s;	/* T_String */
78		u_int		u;	/* T_U_int */
79	} value;
80};
81
82typedef DECL_FIFO_ANCHOR(attr_val) attr_val_fifo;
83
84/* Structure for nodes on the syntax tree */
85typedef struct address_node_tag address_node;
86struct address_node_tag {
87	address_node *	link;
88	char *		address;
89	u_short		type;	/* family, AF_UNSPEC (0), AF_INET[6] */
90};
91
92typedef DECL_FIFO_ANCHOR(address_node) address_fifo;
93
94typedef struct int_node_tag int_node;
95struct int_node_tag {
96	int_node *	link;
97	int		i;
98};
99
100typedef DECL_FIFO_ANCHOR(int_node) int_fifo;
101
102typedef struct string_node_tag string_node;
103struct string_node_tag {
104	string_node *	link;
105	char *		s;
106};
107
108typedef DECL_FIFO_ANCHOR(string_node) string_fifo;
109
110typedef struct restrict_node_tag restrict_node;
111struct restrict_node_tag {
112	restrict_node *	link;
113	address_node *	addr;
114	address_node *	mask;
115	attr_val_fifo *	flag_tok_fifo;
116	int/*BOOL*/	remove;
117	int		line_no;
118	int		column;
119	short		ippeerlimit;
120	short		srvfuzrft;
121};
122
123typedef DECL_FIFO_ANCHOR(restrict_node) restrict_fifo;
124
125typedef struct peer_node_tag peer_node;
126struct peer_node_tag {
127	peer_node *	link;
128	int		host_mode;
129	address_node *	addr;
130	attr_val_fifo *	peerflags;
131	u_char		minpoll;
132	u_char		maxpoll;
133	u_int32		ttl;
134	u_char		peerversion;
135	keyid_t		peerkey;
136	char *		group;
137};
138
139typedef DECL_FIFO_ANCHOR(peer_node) peer_fifo;
140
141typedef struct unpeer_node_tag unpeer_node;
142struct unpeer_node_tag {
143	unpeer_node *	link;
144	associd_t	assocID;
145	address_node *	addr;
146};
147
148typedef DECL_FIFO_ANCHOR(unpeer_node) unpeer_fifo;
149
150typedef struct auth_node_tag auth_node;
151struct auth_node_tag {
152	int		control_key;
153	int		cryptosw;
154	attr_val_fifo *	crypto_cmd_list;
155	char *		keys;
156	char *		keysdir;
157	int		request_key;
158	int		revoke;
159	attr_val_fifo *	trusted_key_list;
160	char *		ntp_signd_socket;
161};
162
163typedef struct filegen_node_tag filegen_node;
164struct filegen_node_tag {
165	filegen_node *	link;
166	int		filegen_token;
167	attr_val_fifo *	options;
168};
169
170typedef DECL_FIFO_ANCHOR(filegen_node) filegen_fifo;
171
172typedef struct setvar_node_tag setvar_node;
173struct setvar_node_tag {
174	setvar_node *	link;
175	char *		var;
176	char *		val;
177	int		isdefault;
178};
179
180typedef DECL_FIFO_ANCHOR(setvar_node) setvar_fifo;
181
182typedef struct nic_rule_node_tag nic_rule_node;
183struct nic_rule_node_tag {
184	nic_rule_node *	link;
185	int		match_class;
186	char *		if_name;	/* or numeric address */
187	int		action;
188};
189
190typedef DECL_FIFO_ANCHOR(nic_rule_node) nic_rule_fifo;
191
192typedef struct addr_opts_node_tag addr_opts_node;
193struct addr_opts_node_tag {
194	addr_opts_node *link;
195	address_node *	addr;
196	attr_val_fifo *	options;
197};
198
199typedef DECL_FIFO_ANCHOR(addr_opts_node) addr_opts_fifo;
200
201typedef struct sim_node_tag sim_node;
202struct sim_node_tag {
203	sim_node *		link;
204	attr_val_fifo *		init_opts;
205	server_info_fifo *	servers;
206};
207
208typedef DECL_FIFO_ANCHOR(sim_node) sim_fifo;
209
210/* The syntax tree */
211typedef struct config_tree_tag config_tree;
212struct config_tree_tag {
213	config_tree *	link;
214
215	attr_val	source;
216	time_t		timestamp;
217
218	peer_fifo *	peers;
219	unpeer_fifo *	unpeers;
220
221	/* Other Modes */
222	int		broadcastclient;
223	address_fifo *	manycastserver;
224	address_fifo *	multicastclient;
225
226	attr_val_fifo *	orphan_cmds;	/* s/b renamed tos_options */
227
228	/* Monitoring Configuration */
229	int_fifo *	stats_list;
230	char *		stats_dir;
231	filegen_fifo *	filegen_opts;
232
233	/* Access Control Configuration */
234	attr_val_fifo *	discard_opts;
235	attr_val_fifo *	mru_opts;
236	restrict_fifo *	restrict_opts;
237
238	addr_opts_fifo *fudge;
239	addr_opts_fifo *device;
240	attr_val_fifo *	rlimit;
241	attr_val_fifo *	tinker;
242	attr_val_fifo *	enable_opts;
243	attr_val_fifo *	disable_opts;
244
245	auth_node	auth;
246
247	attr_val_fifo *	logconfig;
248	string_fifo *	phone;
249	setvar_fifo *	setvar;
250	int_fifo *	ttl;
251	addr_opts_fifo *trap;
252	attr_val_fifo *	vars;
253	nic_rule_fifo *	nic_rules;
254	int_fifo *	reset_counters;
255	attr_val_fifo *	pollskewlist;
256
257	sim_fifo *	sim_details;
258	int		mdnstries;
259};
260
261
262/* Structure for holding a remote configuration command */
263struct REMOTE_CONFIG_INFO {
264	char buffer[MAXLINE];
265	char err_msg[MAXLINE];
266	int pos;
267	int err_pos;
268	int no_errors;
269};
270
271
272/*
273 * context for trap_name_resolved() to call ctlsettrap() once the
274 * name->address resolution completes.
275 */
276typedef struct settrap_parms_tag {
277	sockaddr_u	ifaddr;
278	int		ifaddr_nonnull;
279} settrap_parms;
280
281
282/*
283** Data Minimization Items
284*/
285
286/* Serverresponse fuzz reftime: stored in 'restrict' fifos */
287
288
289/* get text from T_ tokens */
290const char * token_name(int token);
291
292/* generic fifo routines for structs linked by 1st member */
293typedef void (*fifo_deleter)(void*);
294void *	destroy_gen_fifo(void *fifo, fifo_deleter func);
295void *	append_gen_fifo(void *fifo, void *entry);
296void *	concat_gen_fifos(void *first, void *second);
297#define DESTROY_G_FIFO(pf, func)	\
298	((pf) = destroy_gen_fifo((pf), (fifo_deleter)(func)))
299#define APPEND_G_FIFO(pf, pe)		\
300	((pf) = append_gen_fifo((pf), (pe)))
301#define CONCAT_G_FIFOS(first, second)	\
302	((first) = concat_gen_fifos((first), (second)))
303#define HEAD_PFIFO(pf)			\
304	(((pf) != NULL)			\
305	      ? HEAD_FIFO(*(pf))	\
306	      : NULL)
307
308peer_node *create_peer_node(int hmode, address_node *addr,
309			    attr_val_fifo *options);
310unpeer_node *create_unpeer_node(address_node *addr);
311address_node *create_address_node(char *addr, int type);
312void destroy_address_node(address_node *my_node);
313attr_val *create_attr_dval(int attr, double value);
314attr_val *create_attr_ival(int attr, int value);
315attr_val *create_attr_rval(int attr, int first, int last);
316attr_val *create_attr_sval(int attr, const char *s);
317attr_val *create_attr_uval(int attr, u_int value);
318void	  destroy_attr_val(attr_val *node);
319filegen_node *create_filegen_node(int filegen_token,
320				  attr_val_fifo *options);
321string_node *create_string_node(char *str);
322restrict_node *create_restrict_node(address_node *	addr,
323				    address_node *	mask,
324				    short		ippeerlimit,
325				    attr_val_fifo *	flag_tok_fifo,
326				    int/*BOOL*/		remove,
327				    int			nline,
328				    int			ncol);
329int_node *create_int_node(int val);
330addr_opts_node *create_addr_opts_node(address_node *addr,
331				      attr_val_fifo *options);
332sim_node *create_sim_node(attr_val_fifo *init_opts,
333			  server_info_fifo *servers);
334setvar_node *create_setvar_node(char *var, char *val, int isdefault);
335nic_rule_node *create_nic_rule_node(int match_class, char *if_name,
336				    int action);
337
338script_info *create_sim_script_info(double duration,
339				    attr_val_fifo *script_queue);
340server_info *create_sim_server(address_node *addr, double server_offset,
341			       script_info_fifo *script);
342
343extern struct REMOTE_CONFIG_INFO remote_config;
344void config_remotely(sockaddr_u *);
345
346#ifdef SAVECONFIG
347int dump_config_tree(config_tree *ptree, FILE *df, int comment);
348int dump_all_config_trees(FILE *df, int comment);
349#endif
350
351#if defined(HAVE_SETRLIMIT)
352void ntp_rlimit(int, rlim_t, int, const char *);
353#endif
354
355#endif	/* !defined(NTP_CONFIG_H) */
356