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