1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
|
/*
* ntp_stdlib.h - Prototypes for NTP lib.
*/
#ifndef NTP_STDLIB_H
#define NTP_STDLIB_H
#include <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#include "declcond.h" /* ntpd uses ntpd/declcond.h, others include/ */
#include "l_stdlib.h"
#include "ntp_net.h"
#include "ntp_debug.h"
#include "ntp_malloc.h"
#include "ntp_string.h"
#include "ntp_syslog.h"
#include "ntp_keyacc.h"
#ifdef __GNUC__
#define NTP_PRINTF(fmt, args) __attribute__((__format__(__printf__, fmt, args)))
#else
#define NTP_PRINTF(fmt, args)
#endif
extern int mprintf(const char *, ...) NTP_PRINTF(1, 2);
extern int mfprintf(FILE *, const char *, ...) NTP_PRINTF(2, 3);
extern int mvfprintf(FILE *, const char *, va_list) NTP_PRINTF(2, 0);
extern int mvsnprintf(char *, size_t, const char *, va_list)
NTP_PRINTF(3, 0);
extern int msnprintf(char *, size_t, const char *, ...)
NTP_PRINTF(3, 4);
extern void msyslog(int, const char *, ...) NTP_PRINTF(2, 3);
extern void mvsyslog(int, const char *, va_list) NTP_PRINTF(2, 0);
extern void init_logging (const char *, u_int32, int);
extern int change_logfile (const char *, int);
extern void setup_logfile (const char *);
#ifndef errno_to_str
extern void errno_to_str(int, char *, size_t);
#endif
/*
* When building without OpenSSL, use a few macros of theirs to
* minimize source differences in NTP.
*/
#ifndef OPENSSL
#define NID_md5 4 /* from openssl/objects.h */
/* from openssl/evp.h */
#define EVP_MAX_MD_SIZE 64 /* longest known is SHA512 */
#endif
#define SAVE_ERRNO(stmt) \
{ \
int preserved_errno; \
\
preserved_errno = socket_errno(); \
{ \
stmt \
} \
errno = preserved_errno; \
}
typedef void (*ctrl_c_fn)(void);
/* authkeys.c */
extern void auth_delkeys (void);
extern int auth_havekey (keyid_t);
extern int authdecrypt (keyid_t, u_int32 *, size_t, size_t);
extern size_t authencrypt (keyid_t, u_int32 *, size_t);
extern int authhavekey (keyid_t);
extern int authistrusted (keyid_t);
extern int authistrustedip (keyid_t, sockaddr_u *);
extern int authreadkeys (const char *);
extern void authtrust (keyid_t, u_long);
extern int authusekey (keyid_t, int, const u_char *);
/*
* Based on the NTP timestamp, calculate the NTP timestamp of
* the corresponding calendar unit. Use the pivot time to unfold
* the NTP timestamp properly, or the current system time if the
* pivot pointer is NULL.
*/
extern u_int32 calyearstart (u_int32 ntptime, const time_t *pivot);
extern u_int32 calmonthstart (u_int32 ntptime, const time_t *pivot);
extern u_int32 calweekstart (u_int32 ntptime, const time_t *pivot);
extern u_int32 caldaystart (u_int32 ntptime, const time_t *pivot);
extern const char *clockname (int);
extern int clocktime (int, int, int, int, int, u_int32, u_long *, u_int32 *);
extern int ntp_getopt (int, char **, const char *);
extern void init_auth (void);
extern void init_lib (void);
extern struct savekey *auth_findkey (keyid_t);
extern void auth_moremem (int);
extern void auth_prealloc_symkeys(int);
extern int ymd2yd (int, int, int);
/* a_md5encrypt.c */
extern int MD5authdecrypt (int, const u_char *, u_int32 *, size_t, size_t);
extern size_t MD5authencrypt (int, const u_char *, u_int32 *, size_t);
extern void MD5auth_setkey (keyid_t, int, const u_char *, size_t, KeyAccT *c);
extern u_int32 addr2refid (sockaddr_u *);
/* emalloc.c */
#ifndef EREALLOC_CALLSITE /* ntp_malloc.h defines */
extern void * ereallocz (void *, size_t, size_t, int);
extern void * oreallocarray (void *optr, size_t nmemb, size_t size);
#define erealloczsite(p, n, o, z, f, l) ereallocz((p), (n), (o), (z))
#define emalloc(n) ereallocz(NULL, (n), 0, FALSE)
#define emalloc_zero(c) ereallocz(NULL, (c), 0, TRUE)
#define erealloc(p, c) ereallocz((p), (c), 0, FALSE)
#define erealloc_zero(p, n, o) ereallocz((p), (n), (o), TRUE)
#define ereallocarray(p, n, s) oreallocarray((p), (n), (s))
#define eallocarray(n, s) oreallocarray(NULL, (n), (s))
extern char * estrdup_impl(const char *);
#define estrdup(s) estrdup_impl(s)
#else
extern void * ereallocz (void *, size_t, size_t, int,
const char *, int);
extern void * oreallocarray (void *optr, size_t nmemb, size_t size,
const char *, int);
#define erealloczsite ereallocz
#define emalloc(c) ereallocz(NULL, (c), 0, FALSE, \
__FILE__, __LINE__)
#define emalloc_zero(c) ereallocz(NULL, (c), 0, TRUE, \
__FILE__, __LINE__)
#define erealloc(p, c) ereallocz((p), (c), 0, FALSE, \
__FILE__, __LINE__)
#define erealloc_zero(p, n, o) ereallocz((p), (n), (o), TRUE, \
__FILE__, __LINE__)
#define ereallocarray(p, n, s) oreallocarray((p), (n), (s), \
__FILE__, __LINE__)
#define eallocarray(n, s) oreallocarray(NULL, (n), (s), \
__FILE__, __LINE__)
extern char * estrdup_impl(const char *, const char *, int);
#define estrdup(s) estrdup_impl((s), __FILE__, __LINE__)
#endif
extern int atoint (const char *, long *);
extern int atouint (const char *, u_long *);
extern int hextoint (const char *, u_long *);
extern const char * humanlogtime (void);
extern const char * humantime (time_t);
extern int is_ip_address (const char *, u_short, sockaddr_u *);
extern char * mfptoa (u_int32, u_int32, short);
extern char * mfptoms (u_int32, u_int32, short);
extern const char * modetoa (size_t);
extern const char * eventstr (int);
extern const char * ceventstr (int);
extern const char * res_match_flags(u_short);
extern const char * res_access_flags(u_short);
#ifdef KERNEL_PLL
extern const char * k_st_flags (u_int32);
#endif
extern char * statustoa (int, int);
extern sockaddr_u * netof (sockaddr_u *);
extern char * numtoa (u_int32);
extern char * numtohost (u_int32);
extern const char * socktoa (const sockaddr_u *);
extern const char * sockporttoa(const sockaddr_u *);
extern u_short sock_hash (const sockaddr_u *);
extern int sockaddr_masktoprefixlen(const sockaddr_u *);
extern const char * socktohost (const sockaddr_u *);
extern int octtoint (const char *, u_long *);
extern u_long ranp2 (int);
extern const char *refnumtoa (sockaddr_u *);
extern const char *refid_str (u_int32, int);
extern int decodenetnum (const char *, sockaddr_u *);
extern const char * FindConfig (const char *);
extern void signal_no_reset (int, RETSIGTYPE (*func)(int));
extern void set_ctrl_c_hook (ctrl_c_fn);
extern void getauthkeys (const char *);
extern void auth_agekeys (void);
extern void rereadkeys (void);
/*
* Variable declarations for libntp.
*/
/* authkeys.c */
extern u_long authkeynotfound; /* keys not found */
extern u_long authkeylookups; /* calls to lookup keys */
extern u_long authnumkeys; /* number of active keys */
extern u_long authkeyexpired; /* key lifetime expirations */
extern u_long authkeyuncached; /* cache misses */
extern u_long authencryptions; /* calls to encrypt */
extern u_long authdecryptions; /* calls to decrypt */
extern int authnumfreekeys;
/*
* The key cache. We cache the last key we looked at here.
*/
extern keyid_t cache_keyid; /* key identifier */
extern int cache_type; /* key type */
extern u_char * cache_secret; /* secret */
extern size_t cache_secretsize; /* secret octets */
extern u_short cache_flags; /* KEY_ bit flags */
/* getopt.c */
extern char * ntp_optarg; /* global argument pointer */
extern int ntp_optind; /* global argv index */
/* lib_strbuf.c */
extern int ipv4_works;
extern int ipv6_works;
/* machines.c */
typedef void (*pset_tod_using)(const char *);
extern pset_tod_using set_tod_using;
/* ssl_init.c */
#ifdef OPENSSL
extern void ssl_init (void);
extern void ssl_check_version (void);
extern int ssl_init_done;
#define INIT_SSL() \
do { \
if (!ssl_init_done) \
ssl_init(); \
} while (0)
#else /* !OPENSSL follows */
#define INIT_SSL() do {} while (0)
#endif
extern int keytype_from_text (const char *, size_t *);
extern const char *keytype_name (int);
extern char * getpass_keytype (int);
/* strl-obsd.c */
#ifndef HAVE_STRLCPY /* + */
/*
* Copy src to string dst of size siz. At most siz-1 characters
* will be copied. Always NUL terminates (unless siz == 0).
* Returns strlen(src); if retval >= siz, truncation occurred.
*/
extern size_t strlcpy(char *dst, const char *src, size_t siz);
#endif
#ifndef HAVE_STRLCAT /* + */
/*
* Appends src to string dst of size siz (unlike strncat, siz is the
* full size of dst, not space left). At most siz-1 characters
* will be copied. Always NUL terminates (unless siz <= strlen(dst)).
* Returns strlen(src) + MIN(siz, strlen(initial dst)).
* If retval >= siz, truncation occurred.
*/
extern size_t strlcat(char *dst, const char *src, size_t siz);
#endif
/* lib/isc/win32/strerror.c
*
* To minimize Windows-specific changes to the rest of the NTP code,
* particularly reference clocks, we hijack calls to strerror() to deal
* with our mixture of error codes from the C runtime (open, write)
* and Windows (sockets, serial ports). This is an ugly hack because
* both use the lowest values differently, but particularly for ntpd,
* it's not a problem.
*/
#ifdef NTP_REDEFINE_STRERROR
#define strerror(e) ntp_strerror(e)
extern char * ntp_strerror (int e);
#endif
/* systime.c */
extern double sys_tick; /* tick size or time to read */
extern double measured_tick; /* non-overridable sys_tick */
extern double sys_fuzz; /* min clock read latency */
extern int trunc_os_clock; /* sys_tick > measured_tick */
/* version.c */
extern const char *Version; /* version declaration */
#endif /* NTP_STDLIB_H */
|
