ntp_config.h revision 289997 
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 "ntpsim.h"
10
11
12/*
13 * Configuration file name
14 */
15#ifndef CONFIG_FILE
16# ifndef SYS_WINNT
17#  define	CONFIG_FILE "/etc/ntp.conf"
18# else /* SYS_WINNT */
19#  define	CONFIG_FILE	"%windir%\\system32\\drivers\\etc\\ntp.conf"
20#  define	ALT_CONFIG_FILE "%windir%\\ntp.conf"
21#  define	NTP_KEYSDIR	"%windir%\\system32\\drivers\\etc"
22# endif /* SYS_WINNT */
23#endif /* not CONFIG_FILE */
24
25
26/*
27 * We keep config trees around for possible saveconfig use.  When
28 * built with configure --disable-saveconfig, and when built with
29 * debugging enabled, include the free_config_*() routines.  In the
30 * DEBUG case, they are used in an atexit() cleanup routine to make
31 * postmortem leak check reports more interesting.
32 */
33#if !defined(FREE_CFG_T) && (!defined(SAVECONFIG) || defined(DEBUG))
34#define FREE_CFG_T
35#endif
36
37/* Limits */
38#define MAXLINE 1024
39
40/* Configuration sources */
41
42#define CONF_SOURCE_FILE		0
43#define CONF_SOURCE_NTPQ		1
44
45/* list of servers from command line for config_peers() */
46extern	int	cmdline_server_count;
47extern	char **	cmdline_servers;
48
49/* set to zero if we're not locking memory */
50extern	int	cur_memlock;
51
52typedef struct int_range_tag {
53	int	first;
54	int	last;
55} int_range;
56
57/* Structure for storing an attribute-value pair  */
58typedef struct attr_val_tag attr_val;
59struct attr_val_tag {
60	attr_val *	link;
61	int		attr;
62	int		type;	/* T_String, T_Integer, ... */
63	union val {
64		int		i;
65		u_int		u;
66		int_range	r;
67		double		d;
68		char *		s;
69	} value;
70};
71
72typedef DECL_FIFO_ANCHOR(attr_val) attr_val_fifo;
73
74/* Structure for nodes on the syntax tree */
75typedef struct address_node_tag address_node;
76struct address_node_tag {
77	address_node *	link;
78	char *		address;
79	u_short		type;	/* family, AF_UNSPEC (0), AF_INET[6] */
80};
81
82typedef DECL_FIFO_ANCHOR(address_node) address_fifo;
83
84typedef struct int_node_tag int_node;
85struct int_node_tag {
86	int_node *	link;
87	int		i;
88};
89
90typedef DECL_FIFO_ANCHOR(int_node) int_fifo;
91
92typedef struct string_node_tag string_node;
93struct string_node_tag {
94	string_node *	link;
95	char *		s;
96};
97
98typedef DECL_FIFO_ANCHOR(string_node) string_fifo;
99
100typedef struct restrict_node_tag restrict_node;
101struct restrict_node_tag {
102	restrict_node *	link;
103	address_node *	addr;
104	address_node *	mask;
105	int_fifo *	flags;
106	int		line_no;
107};
108
109typedef DECL_FIFO_ANCHOR(restrict_node) restrict_fifo;
110
111typedef struct peer_node_tag peer_node;
112struct peer_node_tag {
113	peer_node *	link;
114	int		host_mode;
115	address_node *	addr;
116	attr_val_fifo *	peerflags;
117	u_char		minpoll;
118	u_char		maxpoll;
119	u_int32		ttl;
120	u_char		peerversion;
121	keyid_t		peerkey;
122	char *		group;
123};
124
125typedef DECL_FIFO_ANCHOR(peer_node) peer_fifo;
126
127typedef struct unpeer_node_tag unpeer_node;
128struct unpeer_node_tag {
129	unpeer_node *	link;
130	associd_t	assocID;
131	address_node *	addr;
132};
133
134typedef DECL_FIFO_ANCHOR(unpeer_node) unpeer_fifo;
135
136typedef struct auth_node_tag auth_node;
137struct auth_node_tag {
138	int		control_key;
139	int		cryptosw;
140	attr_val_fifo *	crypto_cmd_list;
141	char *		keys;
142	char *		keysdir;
143	int		request_key;
144	int		revoke;
145	attr_val_fifo *	trusted_key_list;
146	char *		ntp_signd_socket;
147};
148
149typedef struct filegen_node_tag filegen_node;
150struct filegen_node_tag {
151	filegen_node *	link;
152	int		filegen_token;
153	attr_val_fifo *	options;
154};
155
156typedef DECL_FIFO_ANCHOR(filegen_node) filegen_fifo;
157
158typedef struct setvar_node_tag setvar_node;
159struct setvar_node_tag {
160	setvar_node *	link;
161	char *		var;
162	char *		val;
163	int		isdefault;
164};
165
166typedef DECL_FIFO_ANCHOR(setvar_node) setvar_fifo;
167
168typedef struct nic_rule_node_tag nic_rule_node;
169struct nic_rule_node_tag {
170	nic_rule_node *	link;
171	int		match_class;
172	char *		if_name;	/* or numeric address */
173	int		action;
174};
175
176typedef DECL_FIFO_ANCHOR(nic_rule_node) nic_rule_fifo;
177
178typedef struct addr_opts_node_tag addr_opts_node;
179struct addr_opts_node_tag {
180	addr_opts_node *link;
181	address_node *	addr;
182	attr_val_fifo *	options;
183};
184
185typedef DECL_FIFO_ANCHOR(addr_opts_node) addr_opts_fifo;
186
187typedef struct sim_node_tag sim_node;
188struct sim_node_tag {
189	sim_node *		link;
190	attr_val_fifo *		init_opts;
191	server_info_fifo *	servers;
192};
193
194typedef DECL_FIFO_ANCHOR(sim_node) sim_fifo;
195
196/* The syntax tree */
197typedef struct config_tree_tag config_tree;
198struct config_tree_tag {
199	config_tree *	link;
200
201	attr_val	source;
202	time_t		timestamp;
203
204	peer_fifo *	peers;
205	unpeer_fifo *	unpeers;
206
207	/* Other Modes */
208	int		broadcastclient;
209	address_fifo *	manycastserver;
210	address_fifo *	multicastclient;
211
212	attr_val_fifo *	orphan_cmds;	/* s/b renamed tos_options */
213
214	/* Monitoring Configuration */
215	int_fifo *	stats_list;
216	char *		stats_dir;
217	filegen_fifo *	filegen_opts;
218
219	/* Access Control Configuration */
220	attr_val_fifo *	discard_opts;
221	attr_val_fifo *	mru_opts;
222	restrict_fifo *	restrict_opts;
223
224	addr_opts_fifo *fudge;
225	attr_val_fifo *	rlimit;
226	attr_val_fifo *	tinker;
227	attr_val_fifo *	enable_opts;
228	attr_val_fifo *	disable_opts;
229
230	auth_node	auth;
231
232	attr_val_fifo *	logconfig;
233	string_fifo *	phone;
234	setvar_fifo *	setvar;
235	int_fifo *	ttl;
236	addr_opts_fifo *trap;
237	attr_val_fifo *	vars;
238	nic_rule_fifo *	nic_rules;
239	int_fifo *	reset_counters;
240
241	sim_fifo *	sim_details;
242	int		mdnstries;
243};
244
245
246/* Structure for holding a remote configuration command */
247struct REMOTE_CONFIG_INFO {
248	char buffer[MAXLINE];
249	char err_msg[MAXLINE];
250	int pos;
251	int err_pos;
252	int no_errors;
253};
254
255
256/*
257 * context for trap_name_resolved() to call ctlsettrap() once the
258 * name->address resolution completes.
259 */
260typedef struct settrap_parms_tag {
261	sockaddr_u	ifaddr;
262	int		ifaddr_nonnull;
263} settrap_parms;
264
265
266/* get text from T_ tokens */
267const char * token_name(int token);
268
269/* generic fifo routines for structs linked by 1st member */
270void*	append_gen_fifo(void *fifo, void *entry);
271void *	concat_gen_fifos(void *first, void *second);
272#define APPEND_G_FIFO(pf, pe)		\
273	((pf) = append_gen_fifo((pf), (pe)))
274#define CONCAT_G_FIFOS(first, second)	\
275	((first) = concat_gen_fifos((first), (second)))
276#define HEAD_PFIFO(pf)			\
277	(((pf) != NULL)			\
278	      ? HEAD_FIFO(*(pf))	\
279	      : NULL)
280
281peer_node *create_peer_node(int hmode, address_node *addr,
282			    attr_val_fifo *options);
283unpeer_node *create_unpeer_node(address_node *addr);
284address_node *create_address_node(char *addr, int type);
285void destroy_address_node(address_node *my_node);
286attr_val *create_attr_dval(int attr, double value);
287attr_val *create_attr_ival(int attr, int value);
288attr_val *create_attr_uval(int attr, u_int value);
289attr_val *create_attr_rangeval(int attr, int first, int last);
290attr_val *create_attr_sval(int attr, const char *s);
291filegen_node *create_filegen_node(int filegen_token,
292				  attr_val_fifo *options);
293string_node *create_string_node(char *str);
294restrict_node *create_restrict_node(address_node *addr,
295				    address_node *mask,
296				    int_fifo *flags, int line_no);
297int_node *create_int_node(int val);
298addr_opts_node *create_addr_opts_node(address_node *addr,
299				      attr_val_fifo *options);
300sim_node *create_sim_node(attr_val_fifo *init_opts,
301			  server_info_fifo *servers);
302setvar_node *create_setvar_node(char *var, char *val, int isdefault);
303nic_rule_node *create_nic_rule_node(int match_class, char *if_name,
304				    int action);
305
306script_info *create_sim_script_info(double duration,
307				    attr_val_fifo *script_queue);
308server_info *create_sim_server(address_node *addr, double server_offset,
309			       script_info_fifo *script);
310
311extern struct REMOTE_CONFIG_INFO remote_config;
312void config_remotely(sockaddr_u *);
313
314#ifdef SAVECONFIG
315int dump_config_tree(config_tree *ptree, FILE *df, int comment);
316int dump_all_config_trees(FILE *df, int comment);
317#endif
318
319#if defined(HAVE_SETRLIMIT)
320void ntp_rlimit(int, rlim_t, int, const char *);
321#endif
322
323#endif	/* !defined(NTP_CONFIG_H) */
324