File: | src/usr.sbin/relayd/config.c |
Warning: | line 1057, column 3 Value stored to 's' is never read |
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1 | /* $OpenBSD: config.c,v 1.44 2023/06/25 08:07:38 op Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 2011 - 2014 Reyk Floeter <reyk@openbsd.org> |
5 | * |
6 | * Permission to use, copy, modify, and distribute this software for any |
7 | * purpose with or without fee is hereby granted, provided that the above |
8 | * copyright notice and this permission notice appear in all copies. |
9 | * |
10 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
11 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
12 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
13 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
14 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
15 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
16 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
17 | */ |
18 | |
19 | #include <sys/types.h> |
20 | #include <sys/queue.h> |
21 | #include <sys/time.h> |
22 | #include <sys/uio.h> |
23 | |
24 | #include <stdio.h> |
25 | #include <stdlib.h> |
26 | #include <unistd.h> |
27 | #include <limits.h> |
28 | #include <string.h> |
29 | #include <imsg.h> |
30 | |
31 | #include "relayd.h" |
32 | |
33 | int |
34 | config_init(struct relayd *env) |
35 | { |
36 | struct privsep *ps = env->sc_ps; |
37 | u_int what; |
38 | |
39 | /* Global configuration */ |
40 | if (privsep_process == PROC_PARENT) { |
41 | env->sc_conf.timeout.tv_sec = CHECK_TIMEOUT200 / 1000; |
42 | env->sc_conf.timeout.tv_usec = (CHECK_TIMEOUT200 % 1000) * 1000; |
43 | env->sc_conf.interval.tv_sec = CHECK_INTERVAL10; |
44 | env->sc_conf.interval.tv_usec = 0; |
45 | env->sc_conf.prefork_relay = RELAY_NUMPROC3; |
46 | env->sc_conf.statinterval.tv_sec = RELAY_STATINTERVAL60; |
47 | env->sc_ps->ps_csock.cs_name = RELAYD_SOCKET"/var/run/relayd.sock"; |
48 | } |
49 | |
50 | ps->ps_what[PROC_PARENT] = CONFIG_ALL0xff; |
51 | ps->ps_what[PROC_PFE] = CONFIG_ALL0xff & ~(CONFIG_PROTOS0x08|CONFIG_CERTS0x80); |
52 | ps->ps_what[PROC_HCE] = CONFIG_TABLES0x01; |
53 | ps->ps_what[PROC_CA] = CONFIG_RELAYS0x04|CONFIG_CERTS0x80; |
54 | ps->ps_what[PROC_RELAY] = CONFIG_RELAYS0x04|CONFIG_CERTS0x80| |
55 | CONFIG_TABLES0x01|CONFIG_PROTOS0x08|CONFIG_CA_ENGINE0x40; |
56 | |
57 | /* Other configuration */ |
58 | what = ps->ps_what[privsep_process]; |
59 | if (what & CONFIG_TABLES0x01) { |
60 | if ((env->sc_tables = |
61 | calloc(1, sizeof(*env->sc_tables))) == NULL((void *)0)) |
62 | return (-1); |
63 | TAILQ_INIT(env->sc_tables)do { (env->sc_tables)->tqh_first = ((void *)0); (env-> sc_tables)->tqh_last = &(env->sc_tables)->tqh_first ; } while (0); |
64 | |
65 | memset(&env->sc_empty_table, 0, sizeof(env->sc_empty_table)); |
66 | env->sc_empty_table.conf.id = EMPTY_TABLE0xffffffffU; |
67 | env->sc_empty_table.conf.flags |= F_DISABLE0x00000001; |
68 | (void)strlcpy(env->sc_empty_table.conf.name, "empty", |
69 | sizeof(env->sc_empty_table.conf.name)); |
70 | |
71 | } |
72 | if (what & CONFIG_RDRS0x02) { |
73 | if ((env->sc_rdrs = |
74 | calloc(1, sizeof(*env->sc_rdrs))) == NULL((void *)0)) |
75 | return (-1); |
76 | TAILQ_INIT(env->sc_rdrs)do { (env->sc_rdrs)->tqh_first = ((void *)0); (env-> sc_rdrs)->tqh_last = &(env->sc_rdrs)->tqh_first; } while (0); |
77 | |
78 | } |
79 | if (what & CONFIG_RELAYS0x04) { |
80 | if ((env->sc_relays = |
81 | calloc(1, sizeof(*env->sc_relays))) == NULL((void *)0)) |
82 | return (-1); |
83 | TAILQ_INIT(env->sc_relays)do { (env->sc_relays)->tqh_first = ((void *)0); (env-> sc_relays)->tqh_last = &(env->sc_relays)->tqh_first ; } while (0); |
84 | |
85 | if ((env->sc_certs = |
86 | calloc(1, sizeof(*env->sc_certs))) == NULL((void *)0)) |
87 | return (-1); |
88 | TAILQ_INIT(env->sc_certs)do { (env->sc_certs)->tqh_first = ((void *)0); (env-> sc_certs)->tqh_last = &(env->sc_certs)->tqh_first ; } while (0); |
89 | |
90 | if ((env->sc_pkeys = |
91 | calloc(1, sizeof(*env->sc_pkeys))) == NULL((void *)0)) |
92 | return (-1); |
93 | TAILQ_INIT(env->sc_pkeys)do { (env->sc_pkeys)->tqh_first = ((void *)0); (env-> sc_pkeys)->tqh_last = &(env->sc_pkeys)->tqh_first ; } while (0); |
94 | } |
95 | if (what & CONFIG_PROTOS0x08) { |
96 | if ((env->sc_protos = |
97 | calloc(1, sizeof(*env->sc_protos))) == NULL((void *)0)) |
98 | return (-1); |
99 | TAILQ_INIT(env->sc_protos)do { (env->sc_protos)->tqh_first = ((void *)0); (env-> sc_protos)->tqh_last = &(env->sc_protos)->tqh_first ; } while (0); |
100 | |
101 | bzero(&env->sc_proto_default, sizeof(env->sc_proto_default)); |
102 | env->sc_proto_default.id = EMPTY_ID0xffffffffU; |
103 | env->sc_proto_default.flags = F_USED0x00000004; |
104 | env->sc_proto_default.tcpflags = TCPFLAG_DEFAULT0x00; |
105 | env->sc_proto_default.tcpbacklog = RELAY_BACKLOG10; |
106 | env->sc_proto_default.tlsflags = TLSFLAG_DEFAULT(0x08|0x10|0x20); |
107 | TAILQ_INIT(&env->sc_proto_default.tlscerts)do { (&env->sc_proto_default.tlscerts)->tqh_first = ((void *)0); (&env->sc_proto_default.tlscerts)->tqh_last = &(&env->sc_proto_default.tlscerts)->tqh_first ; } while (0); |
108 | (void)strlcpy(env->sc_proto_default.tlsciphers, |
109 | TLSCIPHERS_DEFAULT"HIGH:!aNULL", |
110 | sizeof(env->sc_proto_default.tlsciphers)); |
111 | (void)strlcpy(env->sc_proto_default.tlsecdhecurves, |
112 | TLSECDHECURVES_DEFAULT"default", |
113 | sizeof(env->sc_proto_default.tlsecdhecurves)); |
114 | (void)strlcpy(env->sc_proto_default.tlsdhparams, |
115 | TLSDHPARAM_DEFAULT"none", |
116 | sizeof(env->sc_proto_default.tlsdhparams)); |
117 | env->sc_proto_default.type = RELAY_PROTO_TCP; |
118 | (void)strlcpy(env->sc_proto_default.name, "default", |
119 | sizeof(env->sc_proto_default.name)); |
120 | } |
121 | if (what & CONFIG_RTS0x20) { |
122 | if ((env->sc_rts = |
123 | calloc(1, sizeof(*env->sc_rts))) == NULL((void *)0)) |
124 | return (-1); |
125 | TAILQ_INIT(env->sc_rts)do { (env->sc_rts)->tqh_first = ((void *)0); (env->sc_rts )->tqh_last = &(env->sc_rts)->tqh_first; } while (0); |
126 | } |
127 | if (what & CONFIG_ROUTES0x10) { |
128 | if ((env->sc_routes = |
129 | calloc(1, sizeof(*env->sc_routes))) == NULL((void *)0)) |
130 | return (-1); |
131 | TAILQ_INIT(env->sc_routes)do { (env->sc_routes)->tqh_first = ((void *)0); (env-> sc_routes)->tqh_last = &(env->sc_routes)->tqh_first ; } while (0); |
132 | } |
133 | |
134 | return (0); |
135 | } |
136 | |
137 | void |
138 | config_purge(struct relayd *env, u_int reset) |
139 | { |
140 | struct privsep *ps = env->sc_ps; |
141 | struct table *table; |
142 | struct rdr *rdr; |
143 | struct address *virt; |
144 | struct protocol *proto; |
145 | struct relay_rule *rule; |
146 | struct relay *rlay; |
147 | struct netroute *nr; |
148 | struct router *rt; |
149 | struct ca_pkey *pkey; |
150 | struct keyname *keyname; |
151 | u_int what; |
152 | |
153 | what = ps->ps_what[privsep_process] & reset; |
154 | |
155 | if (what & CONFIG_TABLES0x01 && env->sc_tables != NULL((void *)0)) { |
156 | while ((table = TAILQ_FIRST(env->sc_tables)((env->sc_tables)->tqh_first)) != NULL((void *)0)) |
157 | purge_table(env, env->sc_tables, table); |
158 | env->sc_tablecount = 0; |
159 | } |
160 | if (what & CONFIG_RDRS0x02 && env->sc_rdrs != NULL((void *)0)) { |
161 | while ((rdr = TAILQ_FIRST(env->sc_rdrs)((env->sc_rdrs)->tqh_first)) != NULL((void *)0)) { |
162 | TAILQ_REMOVE(env->sc_rdrs, rdr, entry)do { if (((rdr)->entry.tqe_next) != ((void *)0)) (rdr)-> entry.tqe_next->entry.tqe_prev = (rdr)->entry.tqe_prev; else (env->sc_rdrs)->tqh_last = (rdr)->entry.tqe_prev ; *(rdr)->entry.tqe_prev = (rdr)->entry.tqe_next; ; ; } while (0); |
163 | while ((virt = TAILQ_FIRST(&rdr->virts)((&rdr->virts)->tqh_first)) != NULL((void *)0)) { |
164 | TAILQ_REMOVE(&rdr->virts, virt, entry)do { if (((virt)->entry.tqe_next) != ((void *)0)) (virt)-> entry.tqe_next->entry.tqe_prev = (virt)->entry.tqe_prev ; else (&rdr->virts)->tqh_last = (virt)->entry.tqe_prev ; *(virt)->entry.tqe_prev = (virt)->entry.tqe_next; ; ; } while (0); |
165 | free(virt); |
166 | } |
167 | free(rdr); |
168 | } |
169 | env->sc_rdrcount = 0; |
170 | } |
171 | if (what & CONFIG_RELAYS0x04 && env->sc_pkeys != NULL((void *)0)) { |
172 | while ((pkey = TAILQ_FIRST(env->sc_pkeys)((env->sc_pkeys)->tqh_first)) != NULL((void *)0)) { |
173 | TAILQ_REMOVE(env->sc_pkeys, pkey, pkey_entry)do { if (((pkey)->pkey_entry.tqe_next) != ((void *)0)) (pkey )->pkey_entry.tqe_next->pkey_entry.tqe_prev = (pkey)-> pkey_entry.tqe_prev; else (env->sc_pkeys)->tqh_last = ( pkey)->pkey_entry.tqe_prev; *(pkey)->pkey_entry.tqe_prev = (pkey)->pkey_entry.tqe_next; ; ; } while (0); |
174 | free(pkey); |
175 | } |
176 | } |
177 | if (what & CONFIG_RELAYS0x04 && env->sc_relays != NULL((void *)0)) { |
178 | while ((rlay = TAILQ_FIRST(env->sc_relays)((env->sc_relays)->tqh_first)) != NULL((void *)0)) |
179 | purge_relay(env, rlay); |
180 | env->sc_relaycount = 0; |
181 | } |
182 | if (what & CONFIG_PROTOS0x08 && env->sc_protos != NULL((void *)0)) { |
183 | while ((proto = TAILQ_FIRST(env->sc_protos)((env->sc_protos)->tqh_first)) != NULL((void *)0)) { |
184 | TAILQ_REMOVE(env->sc_protos, proto, entry)do { if (((proto)->entry.tqe_next) != ((void *)0)) (proto) ->entry.tqe_next->entry.tqe_prev = (proto)->entry.tqe_prev ; else (env->sc_protos)->tqh_last = (proto)->entry.tqe_prev ; *(proto)->entry.tqe_prev = (proto)->entry.tqe_next; ; ; } while (0); |
185 | while ((rule = TAILQ_FIRST(&proto->rules)((&proto->rules)->tqh_first)) != NULL((void *)0)) |
186 | rule_delete(&proto->rules, rule); |
187 | proto->rulecount = 0; |
188 | } |
189 | } |
190 | if (what & CONFIG_PROTOS0x08 && env->sc_protos != NULL((void *)0)) { |
191 | while ((proto = TAILQ_FIRST(env->sc_protos)((env->sc_protos)->tqh_first)) != NULL((void *)0)) { |
192 | TAILQ_REMOVE(env->sc_protos, proto, entry)do { if (((proto)->entry.tqe_next) != ((void *)0)) (proto) ->entry.tqe_next->entry.tqe_prev = (proto)->entry.tqe_prev ; else (env->sc_protos)->tqh_last = (proto)->entry.tqe_prev ; *(proto)->entry.tqe_prev = (proto)->entry.tqe_next; ; ; } while (0); |
193 | free(proto->style); |
194 | free(proto->tlscapass); |
195 | while ((keyname = |
196 | TAILQ_FIRST(&proto->tlscerts)((&proto->tlscerts)->tqh_first)) != NULL((void *)0)) { |
197 | TAILQ_REMOVE(&proto->tlscerts, keyname, entry)do { if (((keyname)->entry.tqe_next) != ((void *)0)) (keyname )->entry.tqe_next->entry.tqe_prev = (keyname)->entry .tqe_prev; else (&proto->tlscerts)->tqh_last = (keyname )->entry.tqe_prev; *(keyname)->entry.tqe_prev = (keyname )->entry.tqe_next; ; ; } while (0); |
198 | free(keyname->name); |
199 | free(keyname); |
200 | } |
201 | free(proto); |
202 | } |
203 | env->sc_protocount = 0; |
204 | } |
205 | if (what & CONFIG_RTS0x20 && env->sc_rts != NULL((void *)0)) { |
206 | while ((rt = TAILQ_FIRST(env->sc_rts)((env->sc_rts)->tqh_first)) != NULL((void *)0)) { |
207 | TAILQ_REMOVE(env->sc_rts, rt, rt_entry)do { if (((rt)->rt_entry.tqe_next) != ((void *)0)) (rt)-> rt_entry.tqe_next->rt_entry.tqe_prev = (rt)->rt_entry.tqe_prev ; else (env->sc_rts)->tqh_last = (rt)->rt_entry.tqe_prev ; *(rt)->rt_entry.tqe_prev = (rt)->rt_entry.tqe_next; ; ; } while (0); |
208 | while ((nr = TAILQ_FIRST(&rt->rt_netroutes)((&rt->rt_netroutes)->tqh_first)) != NULL((void *)0)) { |
209 | TAILQ_REMOVE(&rt->rt_netroutes, nr, nr_entry)do { if (((nr)->nr_entry.tqe_next) != ((void *)0)) (nr)-> nr_entry.tqe_next->nr_entry.tqe_prev = (nr)->nr_entry.tqe_prev ; else (&rt->rt_netroutes)->tqh_last = (nr)->nr_entry .tqe_prev; *(nr)->nr_entry.tqe_prev = (nr)->nr_entry.tqe_next ; ; ; } while (0); |
210 | TAILQ_REMOVE(env->sc_routes, nr, nr_route)do { if (((nr)->nr_route.tqe_next) != ((void *)0)) (nr)-> nr_route.tqe_next->nr_route.tqe_prev = (nr)->nr_route.tqe_prev ; else (env->sc_routes)->tqh_last = (nr)->nr_route.tqe_prev ; *(nr)->nr_route.tqe_prev = (nr)->nr_route.tqe_next; ; ; } while (0); |
211 | free(nr); |
212 | env->sc_routecount--; |
213 | } |
214 | free(rt); |
215 | } |
216 | env->sc_routercount = 0; |
217 | } |
218 | if (what & CONFIG_ROUTES0x10 && env->sc_routes != NULL((void *)0)) { |
219 | while ((nr = TAILQ_FIRST(env->sc_routes)((env->sc_routes)->tqh_first)) != NULL((void *)0)) { |
220 | if ((rt = nr->nr_router) != NULL((void *)0)) |
221 | TAILQ_REMOVE(&rt->rt_netroutes, nr, nr_entry)do { if (((nr)->nr_entry.tqe_next) != ((void *)0)) (nr)-> nr_entry.tqe_next->nr_entry.tqe_prev = (nr)->nr_entry.tqe_prev ; else (&rt->rt_netroutes)->tqh_last = (nr)->nr_entry .tqe_prev; *(nr)->nr_entry.tqe_prev = (nr)->nr_entry.tqe_next ; ; ; } while (0); |
222 | TAILQ_REMOVE(env->sc_routes, nr, nr_route)do { if (((nr)->nr_route.tqe_next) != ((void *)0)) (nr)-> nr_route.tqe_next->nr_route.tqe_prev = (nr)->nr_route.tqe_prev ; else (env->sc_routes)->tqh_last = (nr)->nr_route.tqe_prev ; *(nr)->nr_route.tqe_prev = (nr)->nr_route.tqe_next; ; ; } while (0); |
223 | free(nr); |
224 | } |
225 | env->sc_routecount = 0; |
226 | } |
227 | } |
228 | |
229 | int |
230 | config_setreset(struct relayd *env, u_int reset) |
231 | { |
232 | struct privsep *ps = env->sc_ps; |
233 | int id; |
234 | |
235 | for (id = 0; id < PROC_MAX; id++) { |
236 | if ((reset & ps->ps_what[id]) == 0 || |
237 | id == privsep_process) |
238 | continue; |
239 | proc_compose(ps, id, IMSG_CTL_RESET, &reset, sizeof(reset)); |
240 | |
241 | /* |
242 | * XXX Make sure that the reset message is sent |
243 | * immediately by flushing the imsg output buffer, before |
244 | * sending any other imsg that potentially include an fd. |
245 | * This should better be fixed in the imsg API itself. |
246 | */ |
247 | proc_flush_imsg(ps, id, -1); |
248 | } |
249 | |
250 | return (0); |
251 | } |
252 | |
253 | int |
254 | config_getreset(struct relayd *env, struct imsg *imsg) |
255 | { |
256 | u_int mode; |
257 | |
258 | IMSG_SIZE_CHECK(imsg, &mode)do { if (((imsg)->hdr.len - sizeof(struct imsg_hdr)) < sizeof (*&mode)) fatalx("bad length imsg received"); } while (0); |
259 | memcpy(&mode, imsg->data, sizeof(mode)); |
260 | |
261 | config_purge(env, mode); |
262 | |
263 | return (0); |
264 | } |
265 | |
266 | int |
267 | config_getcfg(struct relayd *env, struct imsg *imsg) |
268 | { |
269 | struct privsep *ps = env->sc_ps; |
270 | struct table *tb; |
271 | struct host *h, *ph; |
272 | u_int what; |
273 | |
274 | if (IMSG_DATA_SIZE(imsg)((imsg)->hdr.len - sizeof(struct imsg_hdr)) != sizeof(struct relayd_config)) |
275 | return (0); /* ignore */ |
276 | |
277 | /* Update runtime flags */ |
278 | memcpy(&env->sc_conf, imsg->data, sizeof(env->sc_conf)); |
279 | |
280 | what = ps->ps_what[privsep_process]; |
281 | |
282 | if (what & CONFIG_TABLES0x01) { |
283 | /* Update the tables */ |
284 | TAILQ_FOREACH(tb, env->sc_tables, entry)for((tb) = ((env->sc_tables)->tqh_first); (tb) != ((void *)0); (tb) = ((tb)->entry.tqe_next)) { |
285 | TAILQ_FOREACH(h, &tb->hosts, entry)for((h) = ((&tb->hosts)->tqh_first); (h) != ((void * )0); (h) = ((h)->entry.tqe_next)) { |
286 | if (h->conf.parentid && (ph = host_find(env, |
287 | h->conf.parentid)) != NULL((void *)0)) { |
288 | SLIST_INSERT_HEAD(&ph->children,do { (h)->child.sle_next = (&ph->children)->slh_first ; (&ph->children)->slh_first = (h); } while (0) |
289 | h, child)do { (h)->child.sle_next = (&ph->children)->slh_first ; (&ph->children)->slh_first = (h); } while (0); |
290 | } |
291 | } |
292 | } |
293 | } |
294 | |
295 | if (env->sc_conf.flags & (F_TLS0x00000800|F_TLSCLIENT0x00200000)) { |
296 | if (what & CONFIG_CA_ENGINE0x40) |
297 | ca_engine_init(env); |
298 | } |
299 | |
300 | if (privsep_process != PROC_PARENT) |
301 | proc_compose(env->sc_ps, PROC_PARENT, IMSG_CFG_DONE, NULL((void *)0), 0); |
302 | |
303 | return (0); |
304 | } |
305 | |
306 | int |
307 | config_settable(struct relayd *env, struct table *tb) |
308 | { |
309 | struct privsep *ps = env->sc_ps; |
310 | struct host *host; |
311 | int id, c; |
312 | struct iovec iov[2]; |
313 | |
314 | for (id = 0; id < PROC_MAX; id++) { |
315 | if ((ps->ps_what[id] & CONFIG_TABLES0x01) == 0 || |
316 | id == privsep_process) |
317 | continue; |
318 | |
319 | /* XXX need to send table to pfe for control socket */ |
320 | if (id == PROC_HCE && tb->conf.check == CHECK_NOCHECK) |
321 | continue; |
322 | |
323 | DPRINTF("%s: sending table %s %d to %s", __func__,do {} while(0) |
324 | tb->conf.name, tb->conf.id, env->sc_ps->ps_title[id])do {} while(0); |
325 | |
326 | c = 0; |
327 | iov[c].iov_base = &tb->conf; |
328 | iov[c++].iov_len = sizeof(tb->conf); |
329 | if (tb->sendbuf != NULL((void *)0)) { |
330 | iov[c].iov_base = tb->sendbuf; |
331 | iov[c++].iov_len = strlen(tb->sendbuf); |
332 | } |
333 | |
334 | proc_composev(ps, id, IMSG_CFG_TABLE, iov, c); |
335 | |
336 | TAILQ_FOREACH(host, &tb->hosts, entry)for((host) = ((&tb->hosts)->tqh_first); (host) != ( (void *)0); (host) = ((host)->entry.tqe_next)) { |
337 | proc_compose(ps, id, IMSG_CFG_HOST, |
338 | &host->conf, sizeof(host->conf)); |
339 | } |
340 | } |
341 | |
342 | return (0); |
343 | } |
344 | |
345 | int |
346 | config_gettable(struct relayd *env, struct imsg *imsg) |
347 | { |
348 | struct table *tb; |
349 | size_t sb; |
350 | u_int8_t *p = imsg->data; |
351 | size_t s; |
352 | |
353 | if ((tb = calloc(1, sizeof(*tb))) == NULL((void *)0)) |
354 | return (-1); |
355 | |
356 | IMSG_SIZE_CHECK(imsg, &tb->conf)do { if (((imsg)->hdr.len - sizeof(struct imsg_hdr)) < sizeof (*&tb->conf)) fatalx("bad length imsg received"); } while (0); |
357 | memcpy(&tb->conf, p, sizeof(tb->conf)); |
358 | s = sizeof(tb->conf); |
359 | |
360 | sb = IMSG_DATA_SIZE(imsg)((imsg)->hdr.len - sizeof(struct imsg_hdr)) - s; |
361 | if (sb > 0) { |
362 | if ((tb->sendbuf = get_string(p + s, sb)) == NULL((void *)0)) { |
363 | free(tb); |
364 | return (-1); |
365 | } |
366 | } |
367 | if (tb->conf.check == CHECK_BINSEND_EXPECT) { |
368 | tb->sendbinbuf = string2binary(tb->sendbuf); |
369 | if (tb->sendbinbuf == NULL((void *)0)) { |
370 | free(tb); |
371 | return (-1); |
372 | } |
373 | } |
374 | |
375 | TAILQ_INIT(&tb->hosts)do { (&tb->hosts)->tqh_first = ((void *)0); (&tb ->hosts)->tqh_last = &(&tb->hosts)->tqh_first ; } while (0); |
376 | TAILQ_INSERT_TAIL(env->sc_tables, tb, entry)do { (tb)->entry.tqe_next = ((void *)0); (tb)->entry.tqe_prev = (env->sc_tables)->tqh_last; *(env->sc_tables)-> tqh_last = (tb); (env->sc_tables)->tqh_last = &(tb) ->entry.tqe_next; } while (0); |
377 | |
378 | env->sc_tablecount++; |
379 | |
380 | DPRINTF("%s: %s %d received table %d (%s)", __func__,do {} while(0) |
381 | env->sc_ps->ps_title[privsep_process], env->sc_ps->ps_instance,do {} while(0) |
382 | tb->conf.id, tb->conf.name)do {} while(0); |
383 | |
384 | return (0); |
385 | } |
386 | |
387 | int |
388 | config_gethost(struct relayd *env, struct imsg *imsg) |
389 | { |
390 | struct table *tb; |
391 | struct host *host; |
392 | |
393 | if ((host = calloc(1, sizeof(*host))) == NULL((void *)0)) |
394 | return (-1); |
395 | |
396 | IMSG_SIZE_CHECK(imsg, &host->conf)do { if (((imsg)->hdr.len - sizeof(struct imsg_hdr)) < sizeof (*&host->conf)) fatalx("bad length imsg received"); } while (0); |
397 | memcpy(&host->conf, imsg->data, sizeof(host->conf)); |
398 | |
399 | if (host_find(env, host->conf.id) != NULL((void *)0)) { |
400 | log_debug("%s: host %d already exists", |
401 | __func__, host->conf.id); |
402 | free(host); |
403 | return (-1); |
404 | } |
405 | |
406 | if ((tb = table_find(env, host->conf.tableid)) == NULL((void *)0)) { |
407 | log_debug("%s: " |
408 | "received host for unknown table %d", __func__, |
409 | host->conf.tableid); |
410 | free(host); |
411 | return (-1); |
412 | } |
413 | |
414 | host->tablename = tb->conf.name; |
415 | host->cte.s = -1; |
416 | |
417 | SLIST_INIT(&host->children){ ((&host->children)->slh_first) = ((void *)0); }; |
418 | TAILQ_INSERT_TAIL(&tb->hosts, host, entry)do { (host)->entry.tqe_next = ((void *)0); (host)->entry .tqe_prev = (&tb->hosts)->tqh_last; *(&tb->hosts )->tqh_last = (host); (&tb->hosts)->tqh_last = & (host)->entry.tqe_next; } while (0); |
419 | TAILQ_INSERT_TAIL(&env->sc_hosts, host, globalentry)do { (host)->globalentry.tqe_next = ((void *)0); (host)-> globalentry.tqe_prev = (&env->sc_hosts)->tqh_last; * (&env->sc_hosts)->tqh_last = (host); (&env-> sc_hosts)->tqh_last = &(host)->globalentry.tqe_next ; } while (0); |
420 | |
421 | DPRINTF("%s: %s %d received host %s for table %s", __func__,do {} while(0) |
422 | env->sc_ps->ps_title[privsep_process], env->sc_ps->ps_instance,do {} while(0) |
423 | host->conf.name, tb->conf.name)do {} while(0); |
424 | |
425 | return (0); |
426 | } |
427 | |
428 | int |
429 | config_setrdr(struct relayd *env, struct rdr *rdr) |
430 | { |
431 | struct privsep *ps = env->sc_ps; |
432 | struct address *virt; |
433 | int id; |
434 | |
435 | for (id = 0; id < PROC_MAX; id++) { |
436 | if ((ps->ps_what[id] & CONFIG_RDRS0x02) == 0 || |
437 | id == privsep_process) |
438 | continue; |
439 | |
440 | DPRINTF("%s: sending rdr %s to %s", __func__,do {} while(0) |
441 | rdr->conf.name, ps->ps_title[id])do {} while(0); |
442 | |
443 | proc_compose(ps, id, IMSG_CFG_RDR, |
444 | &rdr->conf, sizeof(rdr->conf)); |
445 | |
446 | TAILQ_FOREACH(virt, &rdr->virts, entry)for((virt) = ((&rdr->virts)->tqh_first); (virt) != ( (void *)0); (virt) = ((virt)->entry.tqe_next)) { |
447 | virt->rdrid = rdr->conf.id; |
448 | proc_compose(ps, id, IMSG_CFG_VIRT, |
449 | virt, sizeof(*virt)); |
450 | } |
451 | } |
452 | |
453 | return (0); |
454 | } |
455 | |
456 | int |
457 | config_getrdr(struct relayd *env, struct imsg *imsg) |
458 | { |
459 | struct rdr *rdr; |
460 | |
461 | if ((rdr = calloc(1, sizeof(*rdr))) == NULL((void *)0)) |
462 | return (-1); |
463 | |
464 | IMSG_SIZE_CHECK(imsg, &rdr->conf)do { if (((imsg)->hdr.len - sizeof(struct imsg_hdr)) < sizeof (*&rdr->conf)) fatalx("bad length imsg received"); } while (0); |
465 | memcpy(&rdr->conf, imsg->data, sizeof(rdr->conf)); |
466 | |
467 | if ((rdr->table = table_find(env, rdr->conf.table_id)) == NULL((void *)0)) { |
468 | log_debug("%s: table not found", __func__); |
469 | free(rdr); |
470 | return (-1); |
471 | } |
472 | if ((rdr->backup = table_find(env, rdr->conf.backup_id)) == NULL((void *)0)) { |
473 | rdr->conf.backup_id = EMPTY_TABLE0xffffffffU; |
474 | rdr->backup = &env->sc_empty_table; |
475 | } |
476 | |
477 | TAILQ_INIT(&rdr->virts)do { (&rdr->virts)->tqh_first = ((void *)0); (& rdr->virts)->tqh_last = &(&rdr->virts)->tqh_first ; } while (0); |
478 | TAILQ_INSERT_TAIL(env->sc_rdrs, rdr, entry)do { (rdr)->entry.tqe_next = ((void *)0); (rdr)->entry. tqe_prev = (env->sc_rdrs)->tqh_last; *(env->sc_rdrs) ->tqh_last = (rdr); (env->sc_rdrs)->tqh_last = & (rdr)->entry.tqe_next; } while (0); |
479 | |
480 | env->sc_rdrcount++; |
481 | |
482 | DPRINTF("%s: %s %d received rdr %s", __func__,do {} while(0) |
483 | env->sc_ps->ps_title[privsep_process], env->sc_ps->ps_instance,do {} while(0) |
484 | rdr->conf.name)do {} while(0); |
485 | |
486 | return (0); |
487 | } |
488 | |
489 | int |
490 | config_getvirt(struct relayd *env, struct imsg *imsg) |
491 | { |
492 | struct rdr *rdr; |
493 | struct address *virt; |
494 | |
495 | IMSG_SIZE_CHECK(imsg, virt)do { if (((imsg)->hdr.len - sizeof(struct imsg_hdr)) < sizeof (*virt)) fatalx("bad length imsg received"); } while (0); |
496 | |
497 | if ((virt = calloc(1, sizeof(*virt))) == NULL((void *)0)) |
498 | return (-1); |
499 | memcpy(virt, imsg->data, sizeof(*virt)); |
500 | |
501 | if ((rdr = rdr_find(env, virt->rdrid)) == NULL((void *)0)) { |
502 | log_debug("%s: rdr not found", __func__); |
503 | free(virt); |
504 | return (-1); |
505 | } |
506 | |
507 | TAILQ_INSERT_TAIL(&rdr->virts, virt, entry)do { (virt)->entry.tqe_next = ((void *)0); (virt)->entry .tqe_prev = (&rdr->virts)->tqh_last; *(&rdr-> virts)->tqh_last = (virt); (&rdr->virts)->tqh_last = &(virt)->entry.tqe_next; } while (0); |
508 | |
509 | DPRINTF("%s: %s %d received address for rdr %s", __func__,do {} while(0) |
510 | env->sc_ps->ps_title[privsep_process], env->sc_ps->ps_instance,do {} while(0) |
511 | rdr->conf.name)do {} while(0); |
512 | |
513 | return (0); |
514 | } |
515 | |
516 | int |
517 | config_setrt(struct relayd *env, struct router *rt) |
518 | { |
519 | struct privsep *ps = env->sc_ps; |
520 | struct netroute *nr; |
521 | int id; |
522 | |
523 | for (id = 0; id < PROC_MAX; id++) { |
524 | if ((ps->ps_what[id] & CONFIG_RTS0x20) == 0 || |
525 | id == privsep_process) |
526 | continue; |
527 | |
528 | DPRINTF("%s: sending router %s to %s tbl %d", __func__,do {} while(0) |
529 | rt->rt_conf.name, ps->ps_title[id], rt->rt_conf.gwtable)do {} while(0); |
530 | |
531 | proc_compose(ps, id, IMSG_CFG_ROUTER, |
532 | &rt->rt_conf, sizeof(rt->rt_conf)); |
533 | |
534 | TAILQ_FOREACH(nr, &rt->rt_netroutes, nr_entry)for((nr) = ((&rt->rt_netroutes)->tqh_first); (nr) != ((void *)0); (nr) = ((nr)->nr_entry.tqe_next)) { |
535 | proc_compose(ps, id, IMSG_CFG_ROUTE, |
536 | &nr->nr_conf, sizeof(nr->nr_conf)); |
537 | } |
538 | } |
539 | |
540 | return (0); |
541 | } |
542 | |
543 | int |
544 | config_getrt(struct relayd *env, struct imsg *imsg) |
545 | { |
546 | struct router *rt; |
547 | |
548 | if ((rt = calloc(1, sizeof(*rt))) == NULL((void *)0)) |
549 | return (-1); |
550 | |
551 | IMSG_SIZE_CHECK(imsg, &rt->rt_conf)do { if (((imsg)->hdr.len - sizeof(struct imsg_hdr)) < sizeof (*&rt->rt_conf)) fatalx("bad length imsg received"); } while (0); |
552 | memcpy(&rt->rt_conf, imsg->data, sizeof(rt->rt_conf)); |
553 | |
554 | if ((rt->rt_gwtable = table_find(env, rt->rt_conf.gwtable)) == NULL((void *)0)) { |
555 | log_debug("%s: table not found", __func__); |
556 | free(rt); |
557 | return (-1); |
558 | } |
559 | |
560 | TAILQ_INIT(&rt->rt_netroutes)do { (&rt->rt_netroutes)->tqh_first = ((void *)0); ( &rt->rt_netroutes)->tqh_last = &(&rt->rt_netroutes )->tqh_first; } while (0); |
561 | TAILQ_INSERT_TAIL(env->sc_rts, rt, rt_entry)do { (rt)->rt_entry.tqe_next = ((void *)0); (rt)->rt_entry .tqe_prev = (env->sc_rts)->tqh_last; *(env->sc_rts)-> tqh_last = (rt); (env->sc_rts)->tqh_last = &(rt)-> rt_entry.tqe_next; } while (0); |
562 | |
563 | env->sc_routercount++; |
564 | |
565 | DPRINTF("%s: %s %d received router %s", __func__,do {} while(0) |
566 | env->sc_ps->ps_title[privsep_process], env->sc_ps->ps_instance,do {} while(0) |
567 | rt->rt_conf.name)do {} while(0); |
568 | |
569 | return (0); |
570 | } |
571 | |
572 | int |
573 | config_getroute(struct relayd *env, struct imsg *imsg) |
574 | { |
575 | struct router *rt; |
576 | struct netroute *nr; |
577 | |
578 | if ((nr = calloc(1, sizeof(*nr))) == NULL((void *)0)) |
579 | return (-1); |
580 | |
581 | IMSG_SIZE_CHECK(imsg, &nr->nr_conf)do { if (((imsg)->hdr.len - sizeof(struct imsg_hdr)) < sizeof (*&nr->nr_conf)) fatalx("bad length imsg received"); } while (0); |
582 | memcpy(&nr->nr_conf, imsg->data, sizeof(nr->nr_conf)); |
583 | |
584 | if (route_find(env, nr->nr_conf.id) != NULL((void *)0)) { |
585 | log_debug("%s: route %d already exists", |
586 | __func__, nr->nr_conf.id); |
587 | free(nr); |
588 | return (-1); |
589 | } |
590 | |
591 | if ((rt = router_find(env, nr->nr_conf.routerid)) == NULL((void *)0)) { |
592 | log_debug("%s: received route for unknown router", __func__); |
593 | free(nr); |
594 | return (-1); |
595 | } |
596 | |
597 | nr->nr_router = rt; |
598 | |
599 | TAILQ_INSERT_TAIL(env->sc_routes, nr, nr_route)do { (nr)->nr_route.tqe_next = ((void *)0); (nr)->nr_route .tqe_prev = (env->sc_routes)->tqh_last; *(env->sc_routes )->tqh_last = (nr); (env->sc_routes)->tqh_last = & (nr)->nr_route.tqe_next; } while (0); |
600 | TAILQ_INSERT_TAIL(&rt->rt_netroutes, nr, nr_entry)do { (nr)->nr_entry.tqe_next = ((void *)0); (nr)->nr_entry .tqe_prev = (&rt->rt_netroutes)->tqh_last; *(&rt ->rt_netroutes)->tqh_last = (nr); (&rt->rt_netroutes )->tqh_last = &(nr)->nr_entry.tqe_next; } while (0); |
601 | |
602 | env->sc_routecount++; |
603 | |
604 | DPRINTF("%s: %s %d received route %d for router %s", __func__,do {} while(0) |
605 | env->sc_ps->ps_title[privsep_process], env->sc_ps->ps_instance,do {} while(0) |
606 | nr->nr_conf.id, rt->rt_conf.name)do {} while(0); |
607 | |
608 | return (0); |
609 | } |
610 | |
611 | int |
612 | config_setproto(struct relayd *env, struct protocol *proto) |
613 | { |
614 | struct privsep *ps = env->sc_ps; |
615 | int id; |
616 | struct iovec iov[IOV_MAX1024]; |
617 | size_t c; |
618 | |
619 | for (id = 0; id < PROC_MAX; id++) { |
620 | if ((ps->ps_what[id] & CONFIG_PROTOS0x08) == 0 || |
621 | id == privsep_process) |
622 | continue; |
623 | |
624 | DPRINTF("%s: sending protocol %s to %s", __func__,do {} while(0) |
625 | proto->name, ps->ps_title[id])do {} while(0); |
626 | |
627 | c = 0; |
628 | iov[c].iov_base = proto; |
629 | iov[c++].iov_len = sizeof(*proto); |
630 | |
631 | if (proto->style != NULL((void *)0)) { |
632 | iov[c].iov_base = proto->style; |
633 | iov[c++].iov_len = strlen(proto->style) + 1; |
634 | } |
635 | |
636 | proc_composev(ps, id, IMSG_CFG_PROTO, iov, c); |
637 | } |
638 | |
639 | return (0); |
640 | } |
641 | |
642 | int |
643 | config_setrule(struct relayd *env, struct protocol *proto) |
644 | { |
645 | struct privsep *ps = env->sc_ps; |
646 | struct relay_rule *rule; |
647 | struct iovec iov[IOV_MAX1024]; |
648 | int id; |
649 | size_t c, i; |
650 | |
651 | for (id = 0; id < PROC_MAX; id++) { |
652 | if ((ps->ps_what[id] & CONFIG_PROTOS0x08) == 0 || |
653 | id == privsep_process) |
654 | continue; |
655 | |
656 | DPRINTF("%s: sending rules %s to %s", __func__,do {} while(0) |
657 | proto->name, ps->ps_title[id])do {} while(0); |
658 | |
659 | /* Now send all the rules */ |
660 | TAILQ_FOREACH(rule, &proto->rules, rule_entry)for((rule) = ((&proto->rules)->tqh_first); (rule) != ((void *)0); (rule) = ((rule)->rule_entry.tqe_next)) { |
661 | rule->rule_protoid = proto->id; |
662 | bzero(&rule->rule_ctl, sizeof(rule->rule_ctl)); |
663 | c = 0; |
664 | iov[c].iov_base = rule; |
665 | iov[c++].iov_len = sizeof(*rule); |
666 | for (i = 1; i < KEY_TYPE_MAX; i++) { |
667 | if (rule->rule_kv[i].kv_key != NULL((void *)0)) { |
668 | rule->rule_ctl.kvlen[i].key = |
669 | strlen(rule->rule_kv[i].kv_key); |
670 | iov[c].iov_base = |
671 | rule->rule_kv[i].kv_key; |
672 | iov[c++].iov_len = |
673 | rule->rule_ctl.kvlen[i].key; |
674 | } else |
675 | rule->rule_ctl.kvlen[i].key = -1; |
676 | if (rule->rule_kv[i].kv_value != NULL((void *)0)) { |
677 | rule->rule_ctl.kvlen[i].value = |
678 | strlen(rule->rule_kv[i].kv_value); |
679 | iov[c].iov_base = |
680 | rule->rule_kv[i].kv_value; |
681 | iov[c++].iov_len = |
682 | rule->rule_ctl.kvlen[i].value; |
683 | } else |
684 | rule->rule_ctl.kvlen[i].value = -1; |
685 | } |
686 | |
687 | proc_composev(ps, id, IMSG_CFG_RULE, iov, c); |
688 | } |
689 | } |
690 | |
691 | return (0); |
692 | } |
693 | |
694 | int |
695 | config_getproto(struct relayd *env, struct imsg *imsg) |
696 | { |
697 | struct protocol *proto; |
698 | size_t styl; |
699 | size_t s; |
700 | u_int8_t *p = imsg->data; |
701 | |
702 | if ((proto = calloc(1, sizeof(*proto))) == NULL((void *)0)) |
703 | return (-1); |
704 | |
705 | IMSG_SIZE_CHECK(imsg, proto)do { if (((imsg)->hdr.len - sizeof(struct imsg_hdr)) < sizeof (*proto)) fatalx("bad length imsg received"); } while (0); |
706 | memcpy(proto, p, sizeof(*proto)); |
707 | s = sizeof(*proto); |
708 | |
709 | styl = IMSG_DATA_SIZE(imsg)((imsg)->hdr.len - sizeof(struct imsg_hdr)) - s; |
710 | proto->style = NULL((void *)0); |
711 | if (styl > 0) { |
712 | if ((proto->style = get_string(p + s, styl - 1)) == NULL((void *)0)) { |
713 | free(proto); |
714 | return (-1); |
715 | } |
716 | } |
717 | |
718 | TAILQ_INIT(&proto->rules)do { (&proto->rules)->tqh_first = ((void *)0); (& proto->rules)->tqh_last = &(&proto->rules)-> tqh_first; } while (0); |
719 | TAILQ_INIT(&proto->tlscerts)do { (&proto->tlscerts)->tqh_first = ((void *)0); ( &proto->tlscerts)->tqh_last = &(&proto-> tlscerts)->tqh_first; } while (0); |
720 | proto->tlscapass = NULL((void *)0); |
721 | |
722 | TAILQ_INSERT_TAIL(env->sc_protos, proto, entry)do { (proto)->entry.tqe_next = ((void *)0); (proto)->entry .tqe_prev = (env->sc_protos)->tqh_last; *(env->sc_protos )->tqh_last = (proto); (env->sc_protos)->tqh_last = & (proto)->entry.tqe_next; } while (0); |
723 | |
724 | env->sc_protocount++; |
725 | |
726 | DPRINTF("%s: %s %d received protocol %s", __func__,do {} while(0) |
727 | env->sc_ps->ps_title[privsep_process], env->sc_ps->ps_instance,do {} while(0) |
728 | proto->name)do {} while(0); |
729 | |
730 | return (0); |
731 | } |
732 | |
733 | int |
734 | config_getrule(struct relayd *env, struct imsg *imsg) |
735 | { |
736 | struct protocol *proto; |
737 | struct relay_rule *rule; |
738 | size_t s, i; |
739 | u_int8_t *p = imsg->data; |
740 | ssize_t len; |
741 | |
742 | if ((rule = calloc(1, sizeof(*rule))) == NULL((void *)0)) |
743 | return (-1); |
744 | |
745 | IMSG_SIZE_CHECK(imsg, rule)do { if (((imsg)->hdr.len - sizeof(struct imsg_hdr)) < sizeof (*rule)) fatalx("bad length imsg received"); } while (0); |
746 | memcpy(rule, p, sizeof(*rule)); |
747 | s = sizeof(*rule); |
748 | len = IMSG_DATA_SIZE(imsg)((imsg)->hdr.len - sizeof(struct imsg_hdr)) - s; |
749 | |
750 | if ((proto = proto_find(env, rule->rule_protoid)) == NULL((void *)0)) { |
751 | free(rule); |
752 | return (-1); |
753 | } |
754 | |
755 | #define GETKV(_n, _f){ if (rule->rule_ctl.kvlen[_n]._f >= 0) { if ((len < rule->rule_ctl.kvlen[_n]._f) || (rule->rule_kv[_n].kv__f = get_string(p + s, rule->rule_ctl.kvlen[_n]._f)) == ((void *)0)) { free(rule); return (-1); } s += rule->rule_ctl.kvlen [_n]._f; len -= rule->rule_ctl.kvlen[_n]._f; do {} while(0 ); } } { \ |
756 | if (rule->rule_ctl.kvlen[_n]._f >= 0) { \ |
757 | /* Also accept "empty" 0-length strings */ \ |
758 | if ((len < rule->rule_ctl.kvlen[_n]._f) || \ |
759 | (rule->rule_kv[_n].kv_##_f = \ |
760 | get_string(p + s, \ |
761 | rule->rule_ctl.kvlen[_n]._f)) == NULL((void *)0)) { \ |
762 | free(rule); \ |
763 | return (-1); \ |
764 | } \ |
765 | s += rule->rule_ctl.kvlen[_n]._f; \ |
766 | len -= rule->rule_ctl.kvlen[_n]._f; \ |
767 | \ |
768 | DPRINTF("%s: %s %s (len %ld, option %d): %s", __func__, \do {} while(0) |
769 | #_n, #_f, rule->rule_ctl.kvlen[_n]._f, \do {} while(0) |
770 | rule->rule_kv[_n].kv_option, \do {} while(0) |
771 | rule->rule_kv[_n].kv_##_f)do {} while(0); \ |
772 | } \ |
773 | } |
774 | |
775 | memset(&rule->rule_kv[0], 0, sizeof(struct kv)); |
776 | for (i = 1; i < KEY_TYPE_MAX; i++) { |
777 | TAILQ_INIT(&rule->rule_kv[i].kv_children)do { (&rule->rule_kv[i].kv_children)->tqh_first = ( (void *)0); (&rule->rule_kv[i].kv_children)->tqh_last = &(&rule->rule_kv[i].kv_children)->tqh_first; } while (0); |
778 | GETKV(i, key){ if (rule->rule_ctl.kvlen[i].key >= 0) { if ((len < rule->rule_ctl.kvlen[i].key) || (rule->rule_kv[i].kv_key = get_string(p + s, rule->rule_ctl.kvlen[i].key)) == ((void *)0)) { free(rule); return (-1); } s += rule->rule_ctl.kvlen [i].key; len -= rule->rule_ctl.kvlen[i].key; do {} while(0 ); } }; |
779 | GETKV(i, value){ if (rule->rule_ctl.kvlen[i].value >= 0) { if ((len < rule->rule_ctl.kvlen[i].value) || (rule->rule_kv[i].kv_value = get_string(p + s, rule->rule_ctl.kvlen[i].value)) == (( void *)0)) { free(rule); return (-1); } s += rule->rule_ctl .kvlen[i].value; len -= rule->rule_ctl.kvlen[i].value; do { } while(0); } }; |
780 | } |
781 | |
782 | if (rule->rule_labelname[0]) |
783 | rule->rule_label = label_name2id(rule->rule_labelname); |
784 | |
785 | if (rule->rule_tagname[0]) |
786 | rule->rule_tag = tag_name2id(rule->rule_tagname); |
787 | |
788 | if (rule->rule_taggedname[0]) |
789 | rule->rule_tagged = tag_name2id(rule->rule_taggedname); |
790 | |
791 | rule->rule_id = proto->rulecount++; |
792 | |
793 | TAILQ_INSERT_TAIL(&proto->rules, rule, rule_entry)do { (rule)->rule_entry.tqe_next = ((void *)0); (rule)-> rule_entry.tqe_prev = (&proto->rules)->tqh_last; *( &proto->rules)->tqh_last = (rule); (&proto-> rules)->tqh_last = &(rule)->rule_entry.tqe_next; } while (0); |
794 | |
795 | DPRINTF("%s: %s %d received rule %u for protocol %s", __func__,do {} while(0) |
796 | env->sc_ps->ps_title[privsep_process], env->sc_ps->ps_instance,do {} while(0) |
797 | rule->rule_id, proto->name)do {} while(0); |
798 | |
799 | return (0); |
800 | } |
801 | |
802 | static int |
803 | config_setrelayfd(struct privsep *ps, int id, int n, |
804 | objid_t obj_id, objid_t rlay_id, enum fd_type type, int ofd) |
805 | { |
806 | struct ctl_relayfd rfd; |
807 | int fd; |
808 | |
809 | rfd.id = obj_id; |
810 | rfd.relayid = rlay_id; |
811 | rfd.type = type; |
812 | |
813 | if ((fd = dup(ofd)) == -1) |
814 | return (-1); |
815 | if (proc_compose_imsg(ps, id, n, IMSG_CFG_RELAY_FD, -1, fd, |
816 | &rfd, sizeof(rfd)) != 0) |
817 | return (-1); |
818 | |
819 | return (0); |
820 | } |
821 | |
822 | int |
823 | config_setrelay(struct relayd *env, struct relay *rlay) |
824 | { |
825 | struct privsep *ps = env->sc_ps; |
826 | struct ctl_relaytable crt; |
827 | struct relay_table *rlt; |
828 | struct relay_config rl; |
829 | struct relay_cert *cert; |
830 | int id; |
831 | int fd, n, m; |
832 | struct iovec iov[6]; |
833 | size_t c; |
834 | u_int what; |
835 | |
836 | /* opens listening sockets etc. */ |
837 | if (relay_privinit(rlay) == -1) |
838 | return (-1); |
839 | |
840 | for (id = 0; id < PROC_MAX; id++) { |
841 | what = ps->ps_what[id]; |
842 | |
843 | if ((what & CONFIG_RELAYS0x04) == 0 || id == privsep_process) |
844 | continue; |
845 | |
846 | DPRINTF("%s: sending relay %s to %s fd %d", __func__,do {} while(0) |
847 | rlay->rl_conf.name, ps->ps_title[id], rlay->rl_s)do {} while(0); |
848 | |
849 | memcpy(&rl, &rlay->rl_conf, sizeof(rl)); |
850 | |
851 | c = 0; |
852 | iov[c].iov_base = &rl; |
853 | iov[c++].iov_len = sizeof(rl); |
854 | |
855 | if ((what & CONFIG_CA_ENGINE0x40) == 0 && |
856 | rl.tls_cakey_len) { |
857 | iov[c].iov_base = rlay->rl_tls_cakey; |
858 | iov[c++].iov_len = rl.tls_cakey_len; |
859 | } else |
860 | rl.tls_cakey_len = 0; |
861 | |
862 | if (id == PROC_RELAY) { |
863 | /* XXX imsg code will close the fd after 1st call */ |
864 | n = -1; |
865 | proc_range(ps, id, &n, &m); |
866 | for (n = 0; n < m; n++) { |
867 | if ((fd = dup(rlay->rl_s)) == -1) |
868 | return (-1); |
869 | if (proc_composev_imsg(ps, id, n, |
870 | IMSG_CFG_RELAY, -1, fd, iov, c) != 0) { |
871 | log_warn("%s: failed to compose " |
872 | "IMSG_CFG_RELAY imsg for `%s'", |
873 | __func__, rlay->rl_conf.name); |
874 | return (-1); |
875 | } |
876 | /* Prevent fd exhaustion in the parent. */ |
877 | if (proc_flush_imsg(ps, id, n) == -1) { |
878 | log_warn("%s: failed to flush " |
879 | "IMSG_CFG_RELAY imsg for `%s'", |
880 | __func__, rlay->rl_conf.name); |
881 | return (-1); |
882 | } |
883 | } |
884 | } else { |
885 | if (proc_composev(ps, id, |
886 | IMSG_CFG_RELAY, iov, c) != 0) { |
887 | log_warn("%s: failed to compose " |
888 | "IMSG_CFG_RELAY imsg for `%s'", |
889 | __func__, rlay->rl_conf.name); |
890 | return (-1); |
891 | } |
892 | } |
893 | |
894 | /* cert keypairs */ |
895 | TAILQ_FOREACH(cert, env->sc_certs, cert_entry)for((cert) = ((env->sc_certs)->tqh_first); (cert) != (( void *)0); (cert) = ((cert)->cert_entry.tqe_next)) { |
896 | if (cert->cert_relayid != rlay->rl_conf.id) |
897 | continue; |
898 | n = -1; |
899 | proc_range(ps, id, &n, &m); |
900 | for (n = 0; (what & CONFIG_CERTS0x80) && n < m; n++) { |
901 | if (cert->cert_fd != -1 && |
902 | config_setrelayfd(ps, id, n, |
903 | cert->cert_id, cert->cert_relayid, |
904 | RELAY_FD_CERT, cert->cert_fd) == -1) { |
905 | log_warn("%s: fd passing failed for " |
906 | "`%s'", __func__, |
907 | rlay->rl_conf.name); |
908 | return (-1); |
909 | } |
910 | if (id == PROC_RELAY && |
911 | cert->cert_ocsp_fd != -1 && |
912 | config_setrelayfd(ps, id, n, |
913 | cert->cert_id, cert->cert_relayid, |
914 | RELAY_FD_OCSP, cert->cert_ocsp_fd) == -1) { |
915 | log_warn("%s: fd passing failed for " |
916 | "`%s'", __func__, |
917 | rlay->rl_conf.name); |
918 | return (-1); |
919 | } |
920 | if (id == PROC_CA && |
921 | cert->cert_key_fd != -1 && |
922 | config_setrelayfd(ps, id, n, |
923 | cert->cert_id, cert->cert_relayid, |
924 | RELAY_FD_KEY, cert->cert_key_fd) == -1) { |
925 | log_warn("%s: fd passing failed for " |
926 | "`%s'", __func__, |
927 | rlay->rl_conf.name); |
928 | return (-1); |
929 | } |
930 | } |
931 | } |
932 | |
933 | /* CA certs */ |
934 | if (what & CONFIG_CERTS0x80) { |
935 | n = -1; |
936 | proc_range(ps, id, &n, &m); |
937 | for (n = 0; n < m; n++) { |
938 | if (rlay->rl_tls_ca_fd != -1 && |
939 | config_setrelayfd(ps, id, n, 0, |
940 | rlay->rl_conf.id, RELAY_FD_CACERT, |
941 | rlay->rl_tls_ca_fd) == -1) { |
942 | log_warn("%s: fd passing failed for " |
943 | "`%s'", __func__, |
944 | rlay->rl_conf.name); |
945 | return (-1); |
946 | } |
947 | if (rlay->rl_tls_cacert_fd != -1 && |
948 | config_setrelayfd(ps, id, n, 0, |
949 | rlay->rl_conf.id, RELAY_FD_CAFILE, |
950 | rlay->rl_tls_cacert_fd) == -1) { |
951 | log_warn("%s: fd passing failed for " |
952 | "`%s'", __func__, |
953 | rlay->rl_conf.name); |
954 | return (-1); |
955 | } |
956 | /* Prevent fd exhaustion in the parent. */ |
957 | if (proc_flush_imsg(ps, id, n) == -1) { |
958 | log_warn("%s: failed to flush " |
959 | "IMSG_CFG_RELAY imsg for `%s'", |
960 | __func__, rlay->rl_conf.name); |
961 | return (-1); |
962 | } |
963 | } |
964 | } |
965 | |
966 | if ((what & CONFIG_TABLES0x01) == 0) |
967 | continue; |
968 | |
969 | /* Now send the tables associated to this relay */ |
970 | TAILQ_FOREACH(rlt, &rlay->rl_tables, rlt_entry)for((rlt) = ((&rlay->rl_tables)->tqh_first); (rlt) != ((void *)0); (rlt) = ((rlt)->rlt_entry.tqe_next)) { |
971 | crt.id = rlt->rlt_table->conf.id; |
972 | crt.relayid = rlay->rl_conf.id; |
973 | crt.mode = rlt->rlt_mode; |
974 | crt.flags = rlt->rlt_flags; |
975 | |
976 | c = 0; |
977 | iov[c].iov_base = &crt; |
978 | iov[c++].iov_len = sizeof(crt); |
979 | |
980 | proc_composev(ps, id, IMSG_CFG_RELAY_TABLE, iov, c); |
981 | } |
982 | } |
983 | |
984 | /* Close server socket early to prevent fd exhaustion in the parent. */ |
985 | if (rlay->rl_s != -1) { |
986 | close(rlay->rl_s); |
987 | rlay->rl_s = -1; |
988 | } |
989 | if (rlay->rl_tls_cacert_fd != -1) { |
990 | close(rlay->rl_tls_cacert_fd); |
991 | rlay->rl_tls_cacert_fd = -1; |
992 | } |
993 | if (rlay->rl_tls_ca_fd != -1) { |
994 | close(rlay->rl_tls_ca_fd); |
995 | rlay->rl_tls_ca_fd = -1; |
996 | } |
997 | TAILQ_FOREACH(cert, env->sc_certs, cert_entry)for((cert) = ((env->sc_certs)->tqh_first); (cert) != (( void *)0); (cert) = ((cert)->cert_entry.tqe_next)) { |
998 | if (cert->cert_relayid != rlay->rl_conf.id) |
999 | continue; |
1000 | |
1001 | if (cert->cert_fd != -1) { |
1002 | close(cert->cert_fd); |
1003 | cert->cert_fd = -1; |
1004 | } |
1005 | if (cert->cert_key_fd != -1) { |
1006 | close(cert->cert_key_fd); |
1007 | cert->cert_key_fd = -1; |
1008 | } |
1009 | if (cert->cert_ocsp_fd != -1) { |
1010 | close(cert->cert_ocsp_fd); |
1011 | cert->cert_ocsp_fd = -1; |
1012 | } |
1013 | } |
1014 | |
1015 | return (0); |
1016 | } |
1017 | |
1018 | int |
1019 | config_getrelay(struct relayd *env, struct imsg *imsg) |
1020 | { |
1021 | struct privsep *ps = env->sc_ps; |
1022 | struct relay *rlay; |
1023 | u_int8_t *p = imsg->data; |
1024 | size_t s; |
1025 | |
1026 | if ((rlay = calloc(1, sizeof(*rlay))) == NULL((void *)0)) |
1027 | return (-1); |
1028 | |
1029 | IMSG_SIZE_CHECK(imsg, &rlay->rl_conf)do { if (((imsg)->hdr.len - sizeof(struct imsg_hdr)) < sizeof (*&rlay->rl_conf)) fatalx("bad length imsg received"); } while (0); |
1030 | memcpy(&rlay->rl_conf, p, sizeof(rlay->rl_conf)); |
1031 | s = sizeof(rlay->rl_conf); |
1032 | |
1033 | rlay->rl_s = imsg->fd; |
1034 | rlay->rl_tls_ca_fd = -1; |
1035 | rlay->rl_tls_cacert_fd = -1; |
1036 | |
1037 | if (ps->ps_what[privsep_process] & CONFIG_PROTOS0x08) { |
1038 | if (rlay->rl_conf.proto == EMPTY_ID0xffffffffU) |
1039 | rlay->rl_proto = &env->sc_proto_default; |
1040 | else if ((rlay->rl_proto = |
1041 | proto_find(env, rlay->rl_conf.proto)) == NULL((void *)0)) { |
1042 | log_debug("%s: unknown protocol", __func__); |
1043 | goto fail; |
1044 | } |
1045 | } |
1046 | |
1047 | if ((off_t)(IMSG_DATA_SIZE(imsg)((imsg)->hdr.len - sizeof(struct imsg_hdr)) - s) < |
1048 | (rlay->rl_conf.tls_cakey_len)) { |
1049 | log_debug("%s: invalid message length", __func__); |
1050 | goto fail; |
1051 | } |
1052 | |
1053 | if (rlay->rl_conf.tls_cakey_len) { |
1054 | if ((rlay->rl_tls_cakey = get_data(p + s, |
1055 | rlay->rl_conf.tls_cakey_len)) == NULL((void *)0)) |
1056 | goto fail; |
1057 | s += rlay->rl_conf.tls_cakey_len; |
Value stored to 's' is never read | |
1058 | } |
1059 | |
1060 | TAILQ_INIT(&rlay->rl_tables)do { (&rlay->rl_tables)->tqh_first = ((void *)0); ( &rlay->rl_tables)->tqh_last = &(&rlay->rl_tables )->tqh_first; } while (0); |
1061 | TAILQ_INSERT_TAIL(env->sc_relays, rlay, rl_entry)do { (rlay)->rl_entry.tqe_next = ((void *)0); (rlay)->rl_entry .tqe_prev = (env->sc_relays)->tqh_last; *(env->sc_relays )->tqh_last = (rlay); (env->sc_relays)->tqh_last = & (rlay)->rl_entry.tqe_next; } while (0); |
1062 | |
1063 | env->sc_relaycount++; |
1064 | |
1065 | DPRINTF("%s: %s %d received relay %s", __func__,do {} while(0) |
1066 | ps->ps_title[privsep_process], ps->ps_instance,do {} while(0) |
1067 | rlay->rl_conf.name)do {} while(0); |
1068 | |
1069 | return (0); |
1070 | |
1071 | fail: |
1072 | free(rlay->rl_tls_cakey); |
1073 | close(rlay->rl_s); |
1074 | free(rlay); |
1075 | return (-1); |
1076 | } |
1077 | |
1078 | int |
1079 | config_getrelaytable(struct relayd *env, struct imsg *imsg) |
1080 | { |
1081 | struct relay_table *rlt = NULL((void *)0); |
1082 | struct ctl_relaytable crt; |
1083 | struct relay *rlay; |
1084 | struct table *table; |
1085 | u_int8_t *p = imsg->data; |
1086 | |
1087 | IMSG_SIZE_CHECK(imsg, &crt)do { if (((imsg)->hdr.len - sizeof(struct imsg_hdr)) < sizeof (*&crt)) fatalx("bad length imsg received"); } while (0); |
1088 | memcpy(&crt, p, sizeof(crt)); |
1089 | |
1090 | if ((rlay = relay_find(env, crt.relayid)) == NULL((void *)0)) { |
1091 | log_debug("%s: unknown relay", __func__); |
1092 | goto fail; |
1093 | } |
1094 | |
1095 | if ((table = table_find(env, crt.id)) == NULL((void *)0)) { |
1096 | log_debug("%s: unknown table", __func__); |
1097 | goto fail; |
1098 | } |
1099 | |
1100 | if ((rlt = calloc(1, sizeof(*rlt))) == NULL((void *)0)) |
1101 | goto fail; |
1102 | |
1103 | rlt->rlt_table = table; |
1104 | rlt->rlt_mode = crt.mode; |
1105 | rlt->rlt_flags = crt.flags; |
1106 | |
1107 | TAILQ_INSERT_TAIL(&rlay->rl_tables, rlt, rlt_entry)do { (rlt)->rlt_entry.tqe_next = ((void *)0); (rlt)->rlt_entry .tqe_prev = (&rlay->rl_tables)->tqh_last; *(&rlay ->rl_tables)->tqh_last = (rlt); (&rlay->rl_tables )->tqh_last = &(rlt)->rlt_entry.tqe_next; } while ( 0); |
1108 | |
1109 | DPRINTF("%s: %s %d received relay table %s for relay %s", __func__,do {} while(0) |
1110 | env->sc_ps->ps_title[privsep_process], env->sc_ps->ps_instance,do {} while(0) |
1111 | table->conf.name, rlay->rl_conf.name)do {} while(0); |
1112 | |
1113 | return (0); |
1114 | |
1115 | fail: |
1116 | free(rlt); |
1117 | return (-1); |
1118 | } |
1119 | |
1120 | int |
1121 | config_getrelayfd(struct relayd *env, struct imsg *imsg) |
1122 | { |
1123 | struct ctl_relayfd crfd; |
1124 | struct relay *rlay = NULL((void *)0); |
1125 | struct relay_cert *cert; |
1126 | u_int8_t *p = imsg->data; |
1127 | |
1128 | IMSG_SIZE_CHECK(imsg, &crfd)do { if (((imsg)->hdr.len - sizeof(struct imsg_hdr)) < sizeof (*&crfd)) fatalx("bad length imsg received"); } while (0); |
1129 | memcpy(&crfd, p, sizeof(crfd)); |
1130 | |
1131 | switch (crfd.type) { |
1132 | case RELAY_FD_CERT: |
1133 | case RELAY_FD_KEY: |
1134 | case RELAY_FD_OCSP: |
1135 | if ((cert = cert_find(env, crfd.id)) == NULL((void *)0)) { |
1136 | if ((cert = cert_add(env, crfd.id)) == NULL((void *)0)) |
1137 | return (-1); |
1138 | cert->cert_relayid = crfd.relayid; |
1139 | } |
1140 | /* FALLTHROUGH */ |
1141 | default: |
1142 | if ((rlay = relay_find(env, crfd.relayid)) == NULL((void *)0)) { |
1143 | log_debug("%s: unknown relay", __func__); |
1144 | return (-1); |
1145 | } |
1146 | break; |
1147 | } |
1148 | |
1149 | switch (crfd.type) { |
1150 | case RELAY_FD_CERT: |
1151 | cert->cert_fd = imsg->fd; |
1152 | break; |
1153 | case RELAY_FD_KEY: |
1154 | cert->cert_key_fd = imsg->fd; |
1155 | break; |
1156 | case RELAY_FD_OCSP: |
1157 | cert->cert_ocsp_fd = imsg->fd; |
1158 | break; |
1159 | case RELAY_FD_CACERT: |
1160 | rlay->rl_tls_ca_fd = imsg->fd; |
1161 | break; |
1162 | case RELAY_FD_CAFILE: |
1163 | rlay->rl_tls_cacert_fd = imsg->fd; |
1164 | break; |
1165 | } |
1166 | |
1167 | DPRINTF("%s: %s %d received relay fd %d type %d for relay %s", __func__,do {} while(0) |
1168 | env->sc_ps->ps_title[privsep_process], env->sc_ps->ps_instance,do {} while(0) |
1169 | imsg->fd, crfd.type, rlay->rl_conf.name)do {} while(0); |
1170 | |
1171 | return (0); |
1172 | } |