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 | |
2fe58dfd | 15 | typedef char *string_t; |
fe5e9cc4 | 16 | typedef const char *cstring_t; |
2fe58dfd SE |
17 | typedef enum {False,True} bool_t; |
18 | ||
794f2398 | 19 | #define ASSERT(x) do { if (!(x)) { fatal("assertion failed line %d file " \ |
4f5e39ec | 20 | __FILE__,__LINE__); } } while(0) |
2fe58dfd | 21 | |
fcbc5905 IJ |
22 | /* from version.c */ |
23 | ||
24 | extern char version[]; | |
25 | ||
08ee90a2 IJ |
26 | /* from logmsg.c */ |
27 | extern uint32_t message_level; | |
28 | extern bool_t secnet_is_daemon; | |
29 | extern struct log_if *system_log; | |
30 | ||
31 | /* from process.c */ | |
32 | extern void start_signal_handling(void); | |
33 | ||
2fe58dfd SE |
34 | /***** CONFIGURATION support *****/ |
35 | ||
baa06aeb SE |
36 | extern bool_t just_check_config; /* If True then we're going to exit after |
37 | reading the configuration file */ | |
b2a56f7c | 38 | extern bool_t background; /* If True then we'll eventually run as a daemon */ |
baa06aeb | 39 | |
2fe58dfd SE |
40 | typedef struct dict dict_t; /* Configuration dictionary */ |
41 | typedef struct closure closure_t; | |
42 | typedef struct item item_t; | |
43 | typedef struct list list_t; /* A list of items */ | |
44 | ||
45 | /* Configuration file location, for error-reporting */ | |
46 | struct cloc { | |
fe5e9cc4 | 47 | cstring_t file; |
1caa23ff | 48 | int line; |
2fe58dfd SE |
49 | }; |
50 | ||
51 | /* Modules export closures, which can be invoked from the configuration file. | |
52 | "Invoking" a closure usually returns another closure (of a different | |
53 | type), but can actually return any configuration object. */ | |
54 | typedef list_t *(apply_fn)(closure_t *self, struct cloc loc, | |
55 | dict_t *context, list_t *data); | |
56 | struct closure { | |
fe5e9cc4 | 57 | cstring_t description; /* For debugging */ |
2fe58dfd SE |
58 | uint32_t type; /* Central registry... */ |
59 | apply_fn *apply; | |
60 | void *interface; /* Interface for use inside secnet; depends on type */ | |
61 | }; | |
62 | ||
63 | enum types { t_null, t_bool, t_string, t_number, t_dict, t_closure }; | |
64 | struct item { | |
65 | enum types type; | |
66 | union { | |
67 | bool_t bool; | |
68 | string_t string; | |
69 | uint32_t number; | |
70 | dict_t *dict; | |
71 | closure_t *closure; | |
72 | } data; | |
73 | struct cloc loc; | |
74 | }; | |
75 | ||
ff05a229 SE |
76 | /* Note that it is unwise to use this structure directly; use the list |
77 | manipulation functions instead. */ | |
2fe58dfd SE |
78 | struct list { |
79 | item_t *item; | |
80 | struct list *next; | |
81 | }; | |
82 | ||
83 | /* In the following two lookup functions, NULL means 'not found' */ | |
84 | /* Lookup a value in the specified dictionary, or its parents */ | |
fe5e9cc4 | 85 | extern list_t *dict_lookup(dict_t *dict, cstring_t key); |
2fe58dfd | 86 | /* Lookup a value in just the specified dictionary */ |
fe5e9cc4 | 87 | extern list_t *dict_lookup_primitive(dict_t *dict, cstring_t key); |
2fe58dfd | 88 | /* Add a value to the specified dictionary */ |
fe5e9cc4 | 89 | extern void dict_add(dict_t *dict, cstring_t key, list_t *val); |
2fe58dfd | 90 | /* Obtain an array of keys in the dictionary. malloced; caller frees */ |
fe5e9cc4 | 91 | extern cstring_t *dict_keys(dict_t *dict); |
2fe58dfd SE |
92 | |
93 | /* List-manipulation functions */ | |
94 | extern list_t *list_new(void); | |
1caa23ff | 95 | extern int32_t list_length(list_t *a); |
2fe58dfd SE |
96 | extern list_t *list_append(list_t *a, item_t *i); |
97 | extern list_t *list_append_list(list_t *a, list_t *b); | |
98 | /* Returns an item from the list (index starts at 0), or NULL */ | |
1caa23ff | 99 | extern item_t *list_elem(list_t *l, int32_t index); |
2fe58dfd SE |
100 | |
101 | /* Convenience functions */ | |
102 | extern list_t *new_closure(closure_t *cl); | |
fe5e9cc4 SE |
103 | extern void add_closure(dict_t *dict, cstring_t name, apply_fn apply); |
104 | extern void *find_cl_if(dict_t *dict, cstring_t name, uint32_t type, | |
105 | bool_t fail_if_invalid, cstring_t desc, | |
2fe58dfd | 106 | struct cloc loc); |
fe5e9cc4 SE |
107 | extern item_t *dict_find_item(dict_t *dict, cstring_t key, bool_t required, |
108 | cstring_t desc, struct cloc loc); | |
109 | extern string_t dict_read_string(dict_t *dict, cstring_t key, bool_t required, | |
110 | cstring_t desc, struct cloc loc); | |
111 | extern uint32_t dict_read_number(dict_t *dict, cstring_t key, bool_t required, | |
112 | cstring_t desc, struct cloc loc, | |
113 | uint32_t def); | |
59230b9b | 114 | /* return value can safely be assigned to int32_t */ |
fe5e9cc4 SE |
115 | extern bool_t dict_read_bool(dict_t *dict, cstring_t key, bool_t required, |
116 | cstring_t desc, struct cloc loc, bool_t def); | |
9d3a4132 | 117 | struct flagstr { |
fe5e9cc4 | 118 | cstring_t name; |
9d3a4132 SE |
119 | uint32_t value; |
120 | }; | |
fe5e9cc4 SE |
121 | extern uint32_t string_to_word(cstring_t s, struct cloc loc, |
122 | struct flagstr *f, cstring_t desc); | |
9d3a4132 | 123 | extern uint32_t string_list_to_word(list_t *l, struct flagstr *f, |
fe5e9cc4 | 124 | cstring_t desc); |
2fe58dfd SE |
125 | |
126 | /***** END of configuration support *****/ | |
127 | ||
7138d0c5 SE |
128 | /***** UTILITY functions *****/ |
129 | ||
fe5e9cc4 SE |
130 | extern char *safe_strdup(const char *string, const char *message); |
131 | extern void *safe_malloc(size_t size, const char *message); | |
bb9d0561 | 132 | extern void *safe_malloc_ary(size_t size, size_t count, const char *message); |
2fe58dfd | 133 | |
fe5e9cc4 | 134 | extern int sys_cmd(const char *file, const char *argc, ...); |
4efd681a | 135 | |
698280de IJ |
136 | extern uint64_t now_global; |
137 | extern struct timeval tv_now_global; | |
138 | ||
139 | static const uint64_t *const now = &now_global; | |
140 | static const struct timeval *const tv_now = &tv_now_global; | |
141 | ||
142 | /* "now" is current program time, in milliseconds. It is derived | |
143 | from tv_now. Both are provided by the event loop. */ | |
144 | ||
2fe58dfd SE |
145 | /***** END of utility functions *****/ |
146 | ||
147 | /***** SCHEDULING support */ | |
148 | ||
90a39563 IJ |
149 | /* If nfds_io is insufficient for your needs, set it to the required |
150 | number and return ERANGE. timeout is in milliseconds; if it is too | |
151 | high then lower it. It starts at -1 (==infinite) */ | |
2fe58dfd | 152 | typedef int beforepoll_fn(void *st, struct pollfd *fds, int *nfds_io, |
90a39563 IJ |
153 | int *timeout_io); |
154 | typedef void afterpoll_fn(void *st, struct pollfd *fds, int nfds); | |
2fe58dfd SE |
155 | |
156 | /* Register interest in the main loop of the program. Before a call | |
157 | to poll() your supplied beforepoll function will be called. After | |
158 | the call to poll() the supplied afterpoll function will be called. | |
159 | max_nfds is a _hint_ about the maximum number of struct pollfd | |
160 | structures you may require - you can always ask for more in | |
161 | *nfds_io. */ | |
162 | extern void register_for_poll(void *st, beforepoll_fn *before, | |
1caa23ff | 163 | afterpoll_fn *after, int32_t max_nfds, |
fe5e9cc4 | 164 | cstring_t desc); |
2fe58dfd SE |
165 | |
166 | /***** END of scheduling support */ | |
167 | ||
168 | /***** PROGRAM LIFETIME support */ | |
169 | ||
170 | /* The secnet program goes through a number of phases in its lifetime. | |
171 | Module code may arrange to be called just as various phases are | |
7b1a9fb7 RK |
172 | entered. |
173 | ||
174 | Remember to update the table in util.c if changing the set of | |
175 | phases. */ | |
2fe58dfd | 176 | |
42394c37 RK |
177 | enum phase { |
178 | PHASE_INIT, | |
179 | PHASE_GETOPTS, /* Process command-line arguments */ | |
180 | PHASE_READCONFIG, /* Parse and process configuration file */ | |
181 | PHASE_SETUP, /* Process information in configuration */ | |
7b1a9fb7 | 182 | PHASE_DAEMONIZE, /* Become a daemon (if necessary) */ |
42394c37 RK |
183 | PHASE_GETRESOURCES, /* Obtain all external resources */ |
184 | PHASE_DROPPRIV, /* Last chance for privileged operations */ | |
185 | PHASE_RUN, | |
186 | PHASE_SHUTDOWN, /* About to die; delete key material, etc. */ | |
187 | /* Keep this last: */ | |
188 | NR_PHASES, | |
189 | }; | |
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. */ | |
1caa23ff | 271 | typedef bool_t random_fn(void *st, int32_t bytes, uint8_t *buff); |
2fe58dfd SE |
272 | |
273 | struct random_if { | |
274 | void *st; | |
275 | bool_t blocking; | |
276 | random_fn *generate; | |
277 | }; | |
278 | ||
279 | /* RSAPUBKEY interface */ | |
280 | ||
1caa23ff | 281 | typedef bool_t rsa_checksig_fn(void *st, uint8_t *data, int32_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 | ||
1caa23ff | 290 | typedef string_t rsa_makesig_fn(void *st, uint8_t *data, int32_t datalen); |
2fe58dfd SE |
291 | struct rsaprivkey_if { |
292 | void *st; | |
293 | rsa_makesig_fn *sign; | |
294 | }; | |
295 | ||
296 | /* COMM interface */ | |
297 | ||
a15faeb2 IJ |
298 | struct comm_addr { |
299 | /* This struct is pure data; in particular comm's clients may | |
300 | freely copy it. */ | |
301 | /* Everyone is also guaranteed that all padding is set to zero, ie | |
302 | that comm_addrs referring to semantically identical peers will | |
303 | compare equal with memcmp. Anyone who constructs a comm_addr | |
304 | must start by memsetting it with FILLZERO, or some | |
305 | equivalent. */ | |
306 | struct comm_if *comm; | |
307 | struct sockaddr_in sin; | |
308 | }; | |
309 | ||
2fe58dfd SE |
310 | /* Return True if the packet was processed, and shouldn't be passed to |
311 | any other potential receivers. */ | |
312 | typedef bool_t comm_notify_fn(void *state, struct buffer_if *buf, | |
a15faeb2 | 313 | const struct comm_addr *source); |
2fe58dfd SE |
314 | typedef void comm_request_notify_fn(void *commst, void *nst, |
315 | comm_notify_fn *fn); | |
316 | typedef void comm_release_notify_fn(void *commst, void *nst, | |
317 | comm_notify_fn *fn); | |
318 | typedef bool_t comm_sendmsg_fn(void *commst, struct buffer_if *buf, | |
a15faeb2 | 319 | const struct comm_addr *dest); |
5edf478f IJ |
320 | typedef const char *comm_addr_to_string_fn(void *commst, |
321 | const struct comm_addr *ca); | |
322 | /* Returned string is in a static buffer. */ | |
2fe58dfd SE |
323 | struct comm_if { |
324 | void *st; | |
1caa23ff IJ |
325 | int32_t min_start_pad; |
326 | int32_t min_end_pad; | |
2fe58dfd SE |
327 | comm_request_notify_fn *request_notify; |
328 | comm_release_notify_fn *release_notify; | |
329 | comm_sendmsg_fn *sendmsg; | |
5edf478f | 330 | comm_addr_to_string_fn *addr_to_string; |
2fe58dfd SE |
331 | }; |
332 | ||
333 | /* LOG interface */ | |
334 | ||
fe5e9cc4 SE |
335 | typedef void log_msg_fn(void *st, int class, const char *message, ...); |
336 | typedef void log_vmsg_fn(void *st, int class, const char *message, | |
337 | va_list args); | |
2fe58dfd SE |
338 | struct log_if { |
339 | void *st; | |
340 | log_msg_fn *log; | |
341 | log_vmsg_fn *vlog; | |
342 | }; | |
59938e0e | 343 | /* (convenience functions, defined in util.c) */ |
040ee979 | 344 | extern void slilog(struct log_if *lf, int class, const char *message, ...) |
4f5e39ec | 345 | FORMAT(printf,3,4); |
59938e0e IJ |
346 | extern void vslilog(struct log_if *lf, int class, const char *message, va_list) |
347 | FORMAT(printf,3,0); | |
2fe58dfd SE |
348 | |
349 | /* SITE interface */ | |
350 | ||
351 | /* Pretty much a placeholder; allows starting and stopping of processing, | |
352 | key expiry, etc. */ | |
353 | typedef void site_control_fn(void *st, bool_t run); | |
354 | typedef uint32_t site_status_fn(void *st); | |
355 | struct site_if { | |
356 | void *st; | |
357 | site_control_fn *control; | |
358 | site_status_fn *status; | |
359 | }; | |
360 | ||
361 | /* TRANSFORM interface */ | |
362 | ||
363 | /* A reversable transformation. Transforms buffer in-place; may add | |
364 | data to start or end. Maximum amount of data to be added specified | |
365 | in max_start_pad and max_end_pad. (Reverse transformations decrease | |
366 | length, of course.) Transformations may be key-dependent, in which | |
367 | case key material is passed in at initialisation time. They may | |
368 | also depend on internal factors (eg. time) and keep internal | |
369 | state. A struct transform_if only represents a particular type of | |
370 | transformation; instances of the transformation (eg. with | |
371 | particular key material) have a different C type. */ | |
372 | ||
373 | typedef struct transform_inst_if *transform_createinstance_fn(void *st); | |
1caa23ff | 374 | typedef bool_t transform_setkey_fn(void *st, uint8_t *key, int32_t keylen); |
b67dab18 | 375 | typedef bool_t transform_valid_fn(void *st); /* 0: no key; 1: ok */ |
2fe58dfd SE |
376 | typedef void transform_delkey_fn(void *st); |
377 | typedef void transform_destroyinstance_fn(void *st); | |
07e4774c IJ |
378 | /* Returns: |
379 | * 0: all is well | |
380 | * 1: for any other problem | |
381 | * 2: message decrypted but sequence number was out of range | |
382 | */ | |
2fe58dfd | 383 | typedef uint32_t transform_apply_fn(void *st, struct buffer_if *buf, |
fe5e9cc4 | 384 | const char **errmsg); |
2fe58dfd SE |
385 | |
386 | struct transform_inst_if { | |
387 | void *st; | |
388 | transform_setkey_fn *setkey; | |
b67dab18 | 389 | transform_valid_fn *valid; |
2fe58dfd SE |
390 | transform_delkey_fn *delkey; |
391 | transform_apply_fn *forwards; | |
392 | transform_apply_fn *reverse; | |
393 | transform_destroyinstance_fn *destroy; | |
394 | }; | |
395 | ||
396 | struct transform_if { | |
397 | void *st; | |
1caa23ff IJ |
398 | int32_t max_start_pad; /* these three are all <<< INT_MAX */ |
399 | int32_t max_end_pad; | |
400 | int32_t keylen; | |
2fe58dfd SE |
401 | transform_createinstance_fn *create; |
402 | }; | |
403 | ||
404 | /* NETLINK interface */ | |
405 | ||
70dc107b SE |
406 | /* Used by netlink to deliver to site, and by site to deliver to |
407 | netlink. cid is the client identifier returned by | |
408 | netlink_regnets_fn. If buf has size 0 then the function is just | |
409 | being called for its site-effects (eg. making the site code attempt | |
410 | to bring up a network link) */ | |
469fd1d9 | 411 | typedef void netlink_deliver_fn(void *st, struct buffer_if *buf); |
4efd681a | 412 | /* site code can tell netlink when outgoing packets will be dropped, |
70dc107b | 413 | so netlink can generate appropriate ICMP and make routing decisions */ |
f208b9a9 IJ |
414 | #define LINK_QUALITY_UNUSED 0 /* This link is unused, do not make this netlink */ |
415 | #define LINK_QUALITY_DOWN 1 /* No chance of a packet being delivered right away*/ | |
416 | #define LINK_QUALITY_DOWN_STALE_ADDRESS 2 /* Link down, old address information */ | |
417 | #define LINK_QUALITY_DOWN_CURRENT_ADDRESS 3 /* Link down, current address information */ | |
418 | #define LINK_QUALITY_UP 4 /* Link active */ | |
70dc107b | 419 | #define MAXIMUM_LINK_QUALITY 3 |
469fd1d9 SE |
420 | typedef void netlink_link_quality_fn(void *st, uint32_t quality); |
421 | typedef void netlink_register_fn(void *st, netlink_deliver_fn *deliver, | |
1caa23ff IJ |
422 | void *dst, int32_t max_start_pad, |
423 | int32_t max_end_pad); | |
794f2398 SE |
424 | typedef void netlink_output_config_fn(void *st, struct buffer_if *buf); |
425 | typedef bool_t netlink_check_config_fn(void *st, struct buffer_if *buf); | |
1caa23ff | 426 | typedef void netlink_set_mtu_fn(void *st, int32_t new_mtu); |
2fe58dfd SE |
427 | struct netlink_if { |
428 | void *st; | |
469fd1d9 | 429 | netlink_register_fn *reg; |
2fe58dfd | 430 | netlink_deliver_fn *deliver; |
70dc107b | 431 | netlink_link_quality_fn *set_quality; |
d3fe100d | 432 | netlink_set_mtu_fn *set_mtu; |
2fe58dfd SE |
433 | }; |
434 | ||
435 | /* DH interface */ | |
436 | ||
437 | /* Returns public key as a malloced hex string */ | |
438 | typedef string_t dh_makepublic_fn(void *st, uint8_t *secret, | |
1caa23ff | 439 | int32_t secretlen); |
2fe58dfd SE |
440 | /* Fills buffer (up to buflen) with shared secret */ |
441 | typedef void dh_makeshared_fn(void *st, uint8_t *secret, | |
1caa23ff IJ |
442 | int32_t secretlen, cstring_t rempublic, |
443 | uint8_t *sharedsecret, int32_t buflen); | |
2fe58dfd SE |
444 | struct dh_if { |
445 | void *st; | |
1caa23ff | 446 | int32_t len; /* Approximate size of modulus in bytes */ |
2fe58dfd SE |
447 | dh_makepublic_fn *makepublic; |
448 | dh_makeshared_fn *makeshared; | |
449 | }; | |
450 | ||
451 | /* HASH interface */ | |
452 | ||
453 | typedef void *hash_init_fn(void); | |
babd74ec | 454 | typedef void hash_update_fn(void *st, const void *buf, int32_t len); |
2fe58dfd SE |
455 | typedef void hash_final_fn(void *st, uint8_t *digest); |
456 | struct hash_if { | |
1caa23ff | 457 | int32_t len; /* Hash output length in bytes */ |
2fe58dfd SE |
458 | hash_init_fn *init; |
459 | hash_update_fn *update; | |
460 | hash_final_fn *final; | |
461 | }; | |
462 | ||
463 | /* BUFFER interface */ | |
464 | ||
465 | struct buffer_if { | |
466 | bool_t free; | |
fe5e9cc4 | 467 | cstring_t owner; /* Set to constant string */ |
2fe58dfd SE |
468 | uint32_t flags; /* How paranoid should we be? */ |
469 | struct cloc loc; /* Where we were defined */ | |
470 | uint8_t *base; | |
471 | uint8_t *start; | |
1caa23ff IJ |
472 | int32_t size; /* Size of buffer contents */ |
473 | int32_t len; /* Total length allocated at base */ | |
2fe58dfd SE |
474 | }; |
475 | ||
4f5e39ec SE |
476 | /***** LOG functions *****/ |
477 | ||
478 | #define M_DEBUG_CONFIG 0x001 | |
479 | #define M_DEBUG_PHASE 0x002 | |
480 | #define M_DEBUG 0x004 | |
481 | #define M_INFO 0x008 | |
482 | #define M_NOTICE 0x010 | |
483 | #define M_WARNING 0x020 | |
484 | #define M_ERR 0x040 | |
485 | #define M_SECURITY 0x080 | |
486 | #define M_FATAL 0x100 | |
487 | ||
488 | /* The fatal() family of functions require messages that do not end in '\n' */ | |
fe5e9cc4 SE |
489 | extern NORETURN(fatal(const char *message, ...)); |
490 | extern NORETURN(fatal_perror(const char *message, ...)); | |
491 | extern NORETURN(fatal_status(int status, const char *message, ...)); | |
492 | extern NORETURN(fatal_perror_status(int status, const char *message, ...)); | |
4f5e39ec SE |
493 | |
494 | /* The cfgfatal() family of functions require messages that end in '\n' */ | |
fe5e9cc4 SE |
495 | extern NORETURN(cfgfatal(struct cloc loc, cstring_t facility, |
496 | const char *message, ...)); | |
4f5e39ec SE |
497 | extern void cfgfile_postreadcheck(struct cloc loc, FILE *f); |
498 | extern NORETURN(vcfgfatal_maybefile(FILE *maybe_f, struct cloc loc, | |
fe5e9cc4 | 499 | cstring_t facility, const char *message, |
4f5e39ec SE |
500 | va_list)); |
501 | extern NORETURN(cfgfatal_maybefile(FILE *maybe_f, struct cloc loc, | |
fe5e9cc4 SE |
502 | cstring_t facility, |
503 | const char *message, ...)); | |
4f5e39ec | 504 | |
fe5e9cc4 SE |
505 | extern void Message(uint32_t class, const char *message, ...) |
506 | FORMAT(printf,2,3); | |
507 | extern void log_from_fd(int fd, cstring_t prefix, struct log_if *log); | |
4f5e39ec SE |
508 | |
509 | /***** END of log functions *****/ | |
510 | ||
45cfab8c IJ |
511 | #define STRING2(x) #x |
512 | #define STRING(x) STRING2(x) | |
513 | ||
076bb54e IJ |
514 | #define FILLZERO(obj) (memset(&(obj),0,sizeof((obj)))) |
515 | ||
2fe58dfd | 516 | #endif /* secnet_h */ |