Commit | Line | Data |
---|---|---|
2fe58dfd SE |
1 | /* Core interface of secnet, to be used by all modules */ |
2 | ||
3 | #ifndef secnet_h | |
4 | #define secnet_h | |
5 | ||
59635212 | 6 | #include "config.h" |
2fe58dfd | 7 | #include <stdlib.h> |
2fe58dfd | 8 | #include <stdarg.h> |
4f5e39ec | 9 | #include <stdio.h> |
2fe58dfd | 10 | #include <sys/poll.h> |
8689b3a9 SE |
11 | #include <sys/types.h> |
12 | #include <sys/time.h> | |
2fe58dfd | 13 | #include <netinet/in.h> |
2fe58dfd | 14 | |
3b83c932 SE |
15 | /* |
16 | * Macros added by SGT for endianness-independence | |
17 | */ | |
18 | #define GET_32BIT_MSB_FIRST(cp) \ | |
19 | (((unsigned long)(unsigned char)(cp)[0] << 24) | \ | |
20 | ((unsigned long)(unsigned char)(cp)[1] << 16) | \ | |
21 | ((unsigned long)(unsigned char)(cp)[2] << 8) | \ | |
22 | ((unsigned long)(unsigned char)(cp)[3])) | |
23 | ||
24 | #define PUT_32BIT_MSB_FIRST(cp, value) ( \ | |
25 | (cp)[0] = (char)((value) >> 24), \ | |
26 | (cp)[1] = (char)((value) >> 16), \ | |
27 | (cp)[2] = (char)((value) >> 8), \ | |
28 | (cp)[3] = (char)(value) ) | |
29 | ||
2fe58dfd | 30 | typedef char *string_t; |
fe5e9cc4 | 31 | typedef const char *cstring_t; |
2fe58dfd SE |
32 | typedef enum {False,True} bool_t; |
33 | ||
794f2398 | 34 | #define ASSERT(x) do { if (!(x)) { fatal("assertion failed line %d file " \ |
4f5e39ec | 35 | __FILE__,__LINE__); } } while(0) |
2fe58dfd | 36 | |
fcbc5905 IJ |
37 | /* from version.c */ |
38 | ||
39 | extern char version[]; | |
40 | ||
08ee90a2 IJ |
41 | /* from logmsg.c */ |
42 | extern uint32_t message_level; | |
43 | extern bool_t secnet_is_daemon; | |
44 | extern struct log_if *system_log; | |
45 | ||
46 | /* from process.c */ | |
47 | extern void start_signal_handling(void); | |
48 | ||
2fe58dfd SE |
49 | /***** CONFIGURATION support *****/ |
50 | ||
baa06aeb SE |
51 | extern bool_t just_check_config; /* If True then we're going to exit after |
52 | reading the configuration file */ | |
b2a56f7c | 53 | extern bool_t background; /* If True then we'll eventually run as a daemon */ |
baa06aeb | 54 | |
2fe58dfd SE |
55 | typedef struct dict dict_t; /* Configuration dictionary */ |
56 | typedef struct closure closure_t; | |
57 | typedef struct item item_t; | |
58 | typedef struct list list_t; /* A list of items */ | |
59 | ||
60 | /* Configuration file location, for error-reporting */ | |
61 | struct cloc { | |
fe5e9cc4 | 62 | cstring_t file; |
2fe58dfd SE |
63 | uint32_t line; |
64 | }; | |
65 | ||
66 | /* Modules export closures, which can be invoked from the configuration file. | |
67 | "Invoking" a closure usually returns another closure (of a different | |
68 | type), but can actually return any configuration object. */ | |
69 | typedef list_t *(apply_fn)(closure_t *self, struct cloc loc, | |
70 | dict_t *context, list_t *data); | |
71 | struct closure { | |
fe5e9cc4 | 72 | cstring_t description; /* For debugging */ |
2fe58dfd SE |
73 | uint32_t type; /* Central registry... */ |
74 | apply_fn *apply; | |
75 | void *interface; /* Interface for use inside secnet; depends on type */ | |
76 | }; | |
77 | ||
78 | enum types { t_null, t_bool, t_string, t_number, t_dict, t_closure }; | |
79 | struct item { | |
80 | enum types type; | |
81 | union { | |
82 | bool_t bool; | |
83 | string_t string; | |
84 | uint32_t number; | |
85 | dict_t *dict; | |
86 | closure_t *closure; | |
87 | } data; | |
88 | struct cloc loc; | |
89 | }; | |
90 | ||
ff05a229 SE |
91 | /* Note that it is unwise to use this structure directly; use the list |
92 | manipulation functions instead. */ | |
2fe58dfd SE |
93 | struct list { |
94 | item_t *item; | |
95 | struct list *next; | |
96 | }; | |
97 | ||
98 | /* In the following two lookup functions, NULL means 'not found' */ | |
99 | /* Lookup a value in the specified dictionary, or its parents */ | |
fe5e9cc4 | 100 | extern list_t *dict_lookup(dict_t *dict, cstring_t key); |
2fe58dfd | 101 | /* Lookup a value in just the specified dictionary */ |
fe5e9cc4 | 102 | extern list_t *dict_lookup_primitive(dict_t *dict, cstring_t key); |
2fe58dfd | 103 | /* Add a value to the specified dictionary */ |
fe5e9cc4 | 104 | extern void dict_add(dict_t *dict, cstring_t key, list_t *val); |
2fe58dfd | 105 | /* Obtain an array of keys in the dictionary. malloced; caller frees */ |
fe5e9cc4 | 106 | extern cstring_t *dict_keys(dict_t *dict); |
2fe58dfd SE |
107 | |
108 | /* List-manipulation functions */ | |
109 | extern list_t *list_new(void); | |
b2a56f7c | 110 | extern uint32_t list_length(list_t *a); |
2fe58dfd SE |
111 | extern list_t *list_append(list_t *a, item_t *i); |
112 | extern list_t *list_append_list(list_t *a, list_t *b); | |
113 | /* Returns an item from the list (index starts at 0), or NULL */ | |
114 | extern item_t *list_elem(list_t *l, uint32_t index); | |
115 | ||
116 | /* Convenience functions */ | |
117 | extern list_t *new_closure(closure_t *cl); | |
fe5e9cc4 SE |
118 | extern void add_closure(dict_t *dict, cstring_t name, apply_fn apply); |
119 | extern void *find_cl_if(dict_t *dict, cstring_t name, uint32_t type, | |
120 | bool_t fail_if_invalid, cstring_t desc, | |
2fe58dfd | 121 | struct cloc loc); |
fe5e9cc4 SE |
122 | extern item_t *dict_find_item(dict_t *dict, cstring_t key, bool_t required, |
123 | cstring_t desc, struct cloc loc); | |
124 | extern string_t dict_read_string(dict_t *dict, cstring_t key, bool_t required, | |
125 | cstring_t desc, struct cloc loc); | |
126 | extern uint32_t dict_read_number(dict_t *dict, cstring_t key, bool_t required, | |
127 | cstring_t desc, struct cloc loc, | |
128 | uint32_t def); | |
129 | extern bool_t dict_read_bool(dict_t *dict, cstring_t key, bool_t required, | |
130 | cstring_t desc, struct cloc loc, bool_t def); | |
9d3a4132 | 131 | struct flagstr { |
fe5e9cc4 | 132 | cstring_t name; |
9d3a4132 SE |
133 | uint32_t value; |
134 | }; | |
fe5e9cc4 SE |
135 | extern uint32_t string_to_word(cstring_t s, struct cloc loc, |
136 | struct flagstr *f, cstring_t desc); | |
9d3a4132 | 137 | extern uint32_t string_list_to_word(list_t *l, struct flagstr *f, |
fe5e9cc4 | 138 | cstring_t desc); |
2fe58dfd SE |
139 | |
140 | /***** END of configuration support *****/ | |
141 | ||
7138d0c5 SE |
142 | /***** UTILITY functions *****/ |
143 | ||
fe5e9cc4 SE |
144 | extern char *safe_strdup(const char *string, const char *message); |
145 | extern void *safe_malloc(size_t size, const char *message); | |
2fe58dfd | 146 | |
fe5e9cc4 | 147 | extern int sys_cmd(const char *file, const char *argc, ...); |
4efd681a | 148 | |
2fe58dfd SE |
149 | /***** END of utility functions *****/ |
150 | ||
151 | /***** SCHEDULING support */ | |
152 | ||
153 | /* "now" is current program time, in milliseconds. It is derived | |
154 | (once) from tv_now. If nfds_io is insufficient for your needs, set | |
155 | it to the required number and return ERANGE. timeout is in milliseconds; | |
156 | if it is too high then lower it. It starts at -1 (==infinite) */ | |
157 | typedef int beforepoll_fn(void *st, struct pollfd *fds, int *nfds_io, | |
158 | int *timeout_io, const struct timeval *tv_now, | |
159 | uint64_t *now); | |
160 | typedef void afterpoll_fn(void *st, struct pollfd *fds, int nfds, | |
161 | const struct timeval *tv_now, uint64_t *now); | |
162 | ||
163 | /* Register interest in the main loop of the program. Before a call | |
164 | to poll() your supplied beforepoll function will be called. After | |
165 | the call to poll() the supplied afterpoll function will be called. | |
166 | max_nfds is a _hint_ about the maximum number of struct pollfd | |
167 | structures you may require - you can always ask for more in | |
168 | *nfds_io. */ | |
169 | extern void register_for_poll(void *st, beforepoll_fn *before, | |
170 | afterpoll_fn *after, uint32_t max_nfds, | |
fe5e9cc4 | 171 | cstring_t desc); |
2fe58dfd SE |
172 | |
173 | /***** END of scheduling support */ | |
174 | ||
175 | /***** PROGRAM LIFETIME support */ | |
176 | ||
177 | /* The secnet program goes through a number of phases in its lifetime. | |
178 | Module code may arrange to be called just as various phases are | |
179 | entered. */ | |
180 | ||
181 | #define PHASE_INIT 0 | |
182 | #define PHASE_GETOPTS 1 /* Process command-line arguments */ | |
183 | #define PHASE_READCONFIG 2 /* Parse and process configuration file */ | |
184 | #define PHASE_SETUP 3 /* Process information in configuration */ | |
baa06aeb SE |
185 | #define PHASE_GETRESOURCES 4 /* Obtain all external resources */ |
186 | #define PHASE_DROPPRIV 5 /* Last chance for privileged operations */ | |
187 | #define PHASE_RUN 6 | |
188 | #define PHASE_SHUTDOWN 7 /* About to die; delete key material, etc. */ | |
189 | #define NR_PHASES 8 | |
2fe58dfd SE |
190 | |
191 | typedef void hook_fn(void *self, uint32_t newphase); | |
192 | bool_t add_hook(uint32_t phase, hook_fn *f, void *state); | |
193 | bool_t remove_hook(uint32_t phase, hook_fn *f, void *state); | |
194 | ||
7138d0c5 SE |
195 | extern uint32_t current_phase; |
196 | extern void enter_phase(uint32_t new_phase); | |
197 | ||
ff05a229 SE |
198 | /* Some features (like netlink 'soft' routes) require that secnet |
199 | retain root privileges. They should indicate that here when | |
200 | appropriate. */ | |
201 | extern bool_t require_root_privileges; | |
fe5e9cc4 | 202 | extern cstring_t require_root_privileges_explanation; |
9d3a4132 | 203 | |
2fe58dfd SE |
204 | /***** END of program lifetime support *****/ |
205 | ||
206 | /***** MODULE support *****/ | |
207 | ||
208 | /* Module initialisation function type - modules export one function of | |
209 | this type which is called to initialise them. For dynamically loaded | |
210 | modules it's called "secnet_module". */ | |
469fd1d9 | 211 | typedef void init_module(dict_t *dict); |
2fe58dfd | 212 | |
08ee90a2 IJ |
213 | extern void init_builtin_modules(dict_t *dict); |
214 | ||
215 | extern init_module resolver_module; | |
216 | extern init_module random_module; | |
217 | extern init_module udp_module; | |
218 | extern init_module util_module; | |
219 | extern init_module site_module; | |
220 | extern init_module transform_module; | |
221 | extern init_module netlink_module; | |
222 | extern init_module rsa_module; | |
223 | extern init_module dh_module; | |
224 | extern init_module md5_module; | |
225 | extern init_module slip_module; | |
226 | extern init_module tun_module; | |
227 | extern init_module sha1_module; | |
228 | extern init_module log_module; | |
229 | ||
2fe58dfd SE |
230 | /***** END of module support *****/ |
231 | ||
232 | /***** CLOSURE TYPES and interface definitions *****/ | |
233 | ||
469fd1d9 SE |
234 | #define CL_PURE 0 |
235 | #define CL_RESOLVER 1 | |
236 | #define CL_RANDOMSRC 2 | |
237 | #define CL_RSAPUBKEY 3 | |
238 | #define CL_RSAPRIVKEY 4 | |
239 | #define CL_COMM 5 | |
240 | #define CL_IPIF 6 | |
241 | #define CL_LOG 7 | |
242 | #define CL_SITE 8 | |
243 | #define CL_TRANSFORM 9 | |
244 | #define CL_DH 11 | |
245 | #define CL_HASH 12 | |
246 | #define CL_BUFFER 13 | |
247 | #define CL_NETLINK 14 | |
2fe58dfd SE |
248 | |
249 | struct buffer_if; | |
250 | ||
251 | /* PURE closure requires no interface */ | |
252 | ||
253 | /* RESOLVER interface */ | |
254 | ||
255 | /* Answers to queries are delivered to a function of this | |
256 | type. 'address' will be NULL if there was a problem with the query. It | |
257 | will be freed once resolve_answer_fn returns. It is in network byte | |
258 | order. */ | |
ff05a229 | 259 | /* XXX extend to be able to provide multiple answers */ |
2fe58dfd | 260 | typedef void resolve_answer_fn(void *st, struct in_addr *addr); |
fe5e9cc4 | 261 | typedef bool_t resolve_request_fn(void *st, cstring_t name, |
2fe58dfd SE |
262 | resolve_answer_fn *cb, void *cst); |
263 | struct resolver_if { | |
264 | void *st; | |
265 | resolve_request_fn *request; | |
266 | }; | |
267 | ||
268 | /* RANDOMSRC interface */ | |
269 | ||
270 | /* Return some random data. Returns TRUE for success. */ | |
271 | typedef bool_t random_fn(void *st, uint32_t bytes, uint8_t *buff); | |
272 | ||
273 | struct random_if { | |
274 | void *st; | |
275 | bool_t blocking; | |
276 | random_fn *generate; | |
277 | }; | |
278 | ||
279 | /* RSAPUBKEY interface */ | |
280 | ||
281 | typedef bool_t rsa_checksig_fn(void *st, uint8_t *data, uint32_t datalen, | |
fe5e9cc4 | 282 | cstring_t signature); |
2fe58dfd SE |
283 | struct rsapubkey_if { |
284 | void *st; | |
285 | rsa_checksig_fn *check; | |
286 | }; | |
287 | ||
288 | /* RSAPRIVKEY interface */ | |
289 | ||
290 | typedef string_t rsa_makesig_fn(void *st, uint8_t *data, uint32_t datalen); | |
291 | struct rsaprivkey_if { | |
292 | void *st; | |
293 | rsa_makesig_fn *sign; | |
294 | }; | |
295 | ||
296 | /* COMM interface */ | |
297 | ||
298 | /* Return True if the packet was processed, and shouldn't be passed to | |
299 | any other potential receivers. */ | |
300 | typedef bool_t comm_notify_fn(void *state, struct buffer_if *buf, | |
301 | struct sockaddr_in *source); | |
302 | typedef void comm_request_notify_fn(void *commst, void *nst, | |
303 | comm_notify_fn *fn); | |
304 | typedef void comm_release_notify_fn(void *commst, void *nst, | |
305 | comm_notify_fn *fn); | |
306 | typedef bool_t comm_sendmsg_fn(void *commst, struct buffer_if *buf, | |
307 | struct sockaddr_in *dest); | |
308 | struct comm_if { | |
309 | void *st; | |
ff05a229 SE |
310 | uint32_t min_start_pad; |
311 | uint32_t min_end_pad; | |
2fe58dfd SE |
312 | comm_request_notify_fn *request_notify; |
313 | comm_release_notify_fn *release_notify; | |
314 | comm_sendmsg_fn *sendmsg; | |
315 | }; | |
316 | ||
317 | /* LOG interface */ | |
318 | ||
fe5e9cc4 SE |
319 | typedef void log_msg_fn(void *st, int class, const char *message, ...); |
320 | typedef void log_vmsg_fn(void *st, int class, const char *message, | |
321 | va_list args); | |
2fe58dfd SE |
322 | struct log_if { |
323 | void *st; | |
324 | log_msg_fn *log; | |
325 | log_vmsg_fn *vlog; | |
326 | }; | |
327 | /* (convenience function, defined in util.c) */ | |
040ee979 | 328 | extern void slilog(struct log_if *lf, int class, const char *message, ...) |
4f5e39ec | 329 | FORMAT(printf,3,4); |
2fe58dfd SE |
330 | |
331 | /* SITE interface */ | |
332 | ||
333 | /* Pretty much a placeholder; allows starting and stopping of processing, | |
334 | key expiry, etc. */ | |
335 | typedef void site_control_fn(void *st, bool_t run); | |
336 | typedef uint32_t site_status_fn(void *st); | |
337 | struct site_if { | |
338 | void *st; | |
339 | site_control_fn *control; | |
340 | site_status_fn *status; | |
341 | }; | |
342 | ||
343 | /* TRANSFORM interface */ | |
344 | ||
345 | /* A reversable transformation. Transforms buffer in-place; may add | |
346 | data to start or end. Maximum amount of data to be added specified | |
347 | in max_start_pad and max_end_pad. (Reverse transformations decrease | |
348 | length, of course.) Transformations may be key-dependent, in which | |
349 | case key material is passed in at initialisation time. They may | |
350 | also depend on internal factors (eg. time) and keep internal | |
351 | state. A struct transform_if only represents a particular type of | |
352 | transformation; instances of the transformation (eg. with | |
353 | particular key material) have a different C type. */ | |
354 | ||
355 | typedef struct transform_inst_if *transform_createinstance_fn(void *st); | |
356 | typedef bool_t transform_setkey_fn(void *st, uint8_t *key, uint32_t keylen); | |
357 | typedef void transform_delkey_fn(void *st); | |
358 | typedef void transform_destroyinstance_fn(void *st); | |
359 | /* Returns 0 for 'all is well', any other value for a problem */ | |
360 | typedef uint32_t transform_apply_fn(void *st, struct buffer_if *buf, | |
fe5e9cc4 | 361 | const char **errmsg); |
2fe58dfd SE |
362 | |
363 | struct transform_inst_if { | |
364 | void *st; | |
365 | transform_setkey_fn *setkey; | |
366 | transform_delkey_fn *delkey; | |
367 | transform_apply_fn *forwards; | |
368 | transform_apply_fn *reverse; | |
369 | transform_destroyinstance_fn *destroy; | |
370 | }; | |
371 | ||
372 | struct transform_if { | |
373 | void *st; | |
374 | uint32_t max_start_pad; | |
375 | uint32_t max_end_pad; | |
376 | uint32_t keylen; | |
377 | transform_createinstance_fn *create; | |
378 | }; | |
379 | ||
380 | /* NETLINK interface */ | |
381 | ||
70dc107b SE |
382 | /* Used by netlink to deliver to site, and by site to deliver to |
383 | netlink. cid is the client identifier returned by | |
384 | netlink_regnets_fn. If buf has size 0 then the function is just | |
385 | being called for its site-effects (eg. making the site code attempt | |
386 | to bring up a network link) */ | |
469fd1d9 | 387 | typedef void netlink_deliver_fn(void *st, struct buffer_if *buf); |
4efd681a | 388 | /* site code can tell netlink when outgoing packets will be dropped, |
70dc107b SE |
389 | so netlink can generate appropriate ICMP and make routing decisions */ |
390 | #define LINK_QUALITY_DOWN 0 /* No chance of a packet being delivered */ | |
391 | #define LINK_QUALITY_DOWN_STALE_ADDRESS 1 /* Link down, old address information */ | |
392 | #define LINK_QUALITY_DOWN_CURRENT_ADDRESS 2 /* Link down, current address information */ | |
393 | #define LINK_QUALITY_UP 3 /* Link active */ | |
394 | #define MAXIMUM_LINK_QUALITY 3 | |
469fd1d9 SE |
395 | typedef void netlink_link_quality_fn(void *st, uint32_t quality); |
396 | typedef void netlink_register_fn(void *st, netlink_deliver_fn *deliver, | |
397 | void *dst, uint32_t max_start_pad, | |
398 | uint32_t max_end_pad); | |
794f2398 SE |
399 | typedef void netlink_output_config_fn(void *st, struct buffer_if *buf); |
400 | typedef bool_t netlink_check_config_fn(void *st, struct buffer_if *buf); | |
d3fe100d | 401 | typedef void netlink_set_mtu_fn(void *st, uint32_t new_mtu); |
2fe58dfd SE |
402 | struct netlink_if { |
403 | void *st; | |
469fd1d9 | 404 | netlink_register_fn *reg; |
2fe58dfd | 405 | netlink_deliver_fn *deliver; |
70dc107b | 406 | netlink_link_quality_fn *set_quality; |
794f2398 SE |
407 | netlink_output_config_fn *output_config; |
408 | netlink_check_config_fn *check_config; | |
d3fe100d | 409 | netlink_set_mtu_fn *set_mtu; |
2fe58dfd SE |
410 | }; |
411 | ||
412 | /* DH interface */ | |
413 | ||
414 | /* Returns public key as a malloced hex string */ | |
415 | typedef string_t dh_makepublic_fn(void *st, uint8_t *secret, | |
416 | uint32_t secretlen); | |
417 | /* Fills buffer (up to buflen) with shared secret */ | |
418 | typedef void dh_makeshared_fn(void *st, uint8_t *secret, | |
fe5e9cc4 | 419 | uint32_t secretlen, cstring_t rempublic, |
2fe58dfd SE |
420 | uint8_t *sharedsecret, uint32_t buflen); |
421 | struct dh_if { | |
422 | void *st; | |
423 | uint32_t len; /* Approximate size of modulus in bytes */ | |
424 | dh_makepublic_fn *makepublic; | |
425 | dh_makeshared_fn *makeshared; | |
426 | }; | |
427 | ||
428 | /* HASH interface */ | |
429 | ||
430 | typedef void *hash_init_fn(void); | |
431 | typedef void hash_update_fn(void *st, uint8_t const *buf, uint32_t len); | |
432 | typedef void hash_final_fn(void *st, uint8_t *digest); | |
433 | struct hash_if { | |
434 | uint32_t len; /* Hash output length in bytes */ | |
435 | hash_init_fn *init; | |
436 | hash_update_fn *update; | |
437 | hash_final_fn *final; | |
438 | }; | |
439 | ||
440 | /* BUFFER interface */ | |
441 | ||
442 | struct buffer_if { | |
443 | bool_t free; | |
fe5e9cc4 | 444 | cstring_t owner; /* Set to constant string */ |
2fe58dfd SE |
445 | uint32_t flags; /* How paranoid should we be? */ |
446 | struct cloc loc; /* Where we were defined */ | |
447 | uint8_t *base; | |
448 | uint8_t *start; | |
449 | uint32_t size; /* Size of buffer contents */ | |
450 | uint32_t len; /* Total length allocated at base */ | |
451 | }; | |
452 | ||
4f5e39ec SE |
453 | /***** LOG functions *****/ |
454 | ||
455 | #define M_DEBUG_CONFIG 0x001 | |
456 | #define M_DEBUG_PHASE 0x002 | |
457 | #define M_DEBUG 0x004 | |
458 | #define M_INFO 0x008 | |
459 | #define M_NOTICE 0x010 | |
460 | #define M_WARNING 0x020 | |
461 | #define M_ERR 0x040 | |
462 | #define M_SECURITY 0x080 | |
463 | #define M_FATAL 0x100 | |
464 | ||
465 | /* The fatal() family of functions require messages that do not end in '\n' */ | |
fe5e9cc4 SE |
466 | extern NORETURN(fatal(const char *message, ...)); |
467 | extern NORETURN(fatal_perror(const char *message, ...)); | |
468 | extern NORETURN(fatal_status(int status, const char *message, ...)); | |
469 | extern NORETURN(fatal_perror_status(int status, const char *message, ...)); | |
4f5e39ec SE |
470 | |
471 | /* The cfgfatal() family of functions require messages that end in '\n' */ | |
fe5e9cc4 SE |
472 | extern NORETURN(cfgfatal(struct cloc loc, cstring_t facility, |
473 | const char *message, ...)); | |
4f5e39ec SE |
474 | extern void cfgfile_postreadcheck(struct cloc loc, FILE *f); |
475 | extern NORETURN(vcfgfatal_maybefile(FILE *maybe_f, struct cloc loc, | |
fe5e9cc4 | 476 | cstring_t facility, const char *message, |
4f5e39ec SE |
477 | va_list)); |
478 | extern NORETURN(cfgfatal_maybefile(FILE *maybe_f, struct cloc loc, | |
fe5e9cc4 SE |
479 | cstring_t facility, |
480 | const char *message, ...)); | |
4f5e39ec | 481 | |
fe5e9cc4 SE |
482 | extern void Message(uint32_t class, const char *message, ...) |
483 | FORMAT(printf,2,3); | |
484 | extern void log_from_fd(int fd, cstring_t prefix, struct log_if *log); | |
4f5e39ec SE |
485 | |
486 | /***** END of log functions *****/ | |
487 | ||
2fe58dfd | 488 | #endif /* secnet_h */ |