Line data Source code
1 : #define _GNU_SOURCE
2 : #include "fd_bundle_tile_private.h"
3 : #include "fd_bundle_tile.h"
4 : #include "../fd_txn_m.h"
5 : #include "../metrics/fd_metrics.h"
6 : #include "../topo/fd_topo.h"
7 : #include "../keyguard/fd_keyload.h"
8 : #include "../waker/fd_waker.h"
9 : #include "../../waltz/http/fd_url.h"
10 : #include "../../ballet/hex/fd_hex.h"
11 : #include <errno.h>
12 :
13 : #include <dirent.h> /* opendir */
14 : #include <stdio.h> /* snprintf */
15 : #include <fcntl.h> /* F_SETFL */
16 : #include <unistd.h> /* close */
17 : #include <sys/mman.h> /* PROT_READ (seccomp) */
18 : #include <sys/uio.h> /* writev */
19 : #include <netinet/in.h> /* AF_INET */
20 : #include <netinet/tcp.h> /* TCP_FASTOPEN_CONNECT (seccomp) */
21 : #include "../../waltz/resolv/fd_netdb.h"
22 : #include "../../discof/replay/fd_replay_tile.h"
23 :
24 : #include "generated/fd_bundle_tile_seccomp.h"
25 :
26 6 : #define IN_KIND_REPLAY_OUT (1)
27 :
28 0 : #define STEM_BURST (5UL)
29 : FD_STATIC_ASSERT( FD_BUNDLE_CLIENT_MAX_TXN_PER_BUNDLE<=STEM_BURST, stem_burst );
30 :
31 : /* hysteresis thresholds to avoid bouncing (e.g. during forks) */
32 36 : #define FD_BUNDLE_SLEEP_THRESHOLD_SLOTS (450UL)
33 30 : #define FD_BUNDLE_WAKE_THRESHOLD_SLOTS (400UL)
34 69 : #define FD_BUNDLE_SLEEP_CHECK_INTERVAL_NS ((long)5e9)
35 :
36 : FD_FN_CONST static ulong
37 0 : scratch_align( void ) {
38 0 : return fd_ulong_max( fd_ulong_max( alignof(fd_bundle_tile_t), fd_grpc_client_align() ), pending_txn_align() );
39 0 : }
40 :
41 : FD_FN_CONST static ulong
42 0 : scratch_footprint( fd_topo_tile_t const * tile ) {
43 0 : ulong pending_max = tile->bundle.out_depth;
44 0 : ulong l = FD_LAYOUT_INIT;
45 0 : l = FD_LAYOUT_APPEND( l, alignof(fd_bundle_tile_t), sizeof(fd_bundle_tile_t) );
46 0 : l = FD_LAYOUT_APPEND( l, fd_grpc_client_align(), fd_grpc_client_footprint( tile->bundle.buf_sz ) );
47 0 : l = FD_LAYOUT_APPEND( l, pending_txn_align(), pending_txn_footprint( pending_max ) );
48 0 : return FD_LAYOUT_FINI( l, scratch_align() );
49 0 : }
50 :
51 : static void
52 81 : fd_bundle_tile_maybe_sleep( fd_bundle_tile_t * ctx, long now_ns ) {
53 81 : if( FD_UNLIKELY( !ctx->replay_in.mem ) ) return;
54 69 : if( FD_LIKELY( now_ns < ctx->sleep_check_ns ) ) return;
55 66 : ctx->sleep_check_ns = now_ns + FD_BUNDLE_SLEEP_CHECK_INTERVAL_NS;
56 :
57 66 : ulong next_leader_slot = ctx->next_leader_slot;
58 66 : ulong reset_slot = ctx->reset_slot;
59 :
60 : /* Either don't know the leader schedule yet or have no upcoming
61 : leader slots. Sleep. */
62 66 : if( FD_UNLIKELY( next_leader_slot==ULONG_MAX || reset_slot==ULONG_MAX ) ) {
63 12 : if( !ctx->sleep_mode ) {
64 9 : ctx->sleep_mode = 1;
65 9 : FD_LOG_INFO(( "Bundle tile entering sleep mode: no upcoming leader slots" ));
66 9 : }
67 12 : return;
68 12 : }
69 :
70 54 : ulong slots_until_leader = fd_ulong_sat_sub( next_leader_slot, reset_slot );
71 :
72 54 : if( ctx->sleep_mode ) {
73 24 : if( slots_until_leader <= FD_BUNDLE_WAKE_THRESHOLD_SLOTS ) {
74 15 : ctx->sleep_mode = 0;
75 15 : ctx->next_step_deadline = 0L;
76 15 : ctx->last_bundle_status_log_nanos = now_ns;
77 15 : FD_LOG_INFO(( "Bundle tile waking up: next leader slot %lu (~%lu slots away)", next_leader_slot, slots_until_leader ));
78 15 : }
79 30 : } else {
80 : /* reset_slot stays at/near next_leader_slot throughout a leader
81 : rotation and only jumps to the next rotation after leadership
82 : ends, so this cannot trigger mid-rotation. */
83 30 : if( slots_until_leader > FD_BUNDLE_SLEEP_THRESHOLD_SLOTS ) {
84 18 : ctx->sleep_mode = 1;
85 18 : FD_LOG_INFO(( "Bundle tile entering sleep mode: next leader slot %lu (~%lu slots away)", next_leader_slot, slots_until_leader ));
86 18 : }
87 30 : }
88 54 : }
89 :
90 : static inline void
91 0 : metrics_write( fd_bundle_tile_t * ctx ) {
92 0 : FD_MCNT_SET( BUNDLE, TXN_RX, ctx->metrics.txn_received_cnt );
93 0 : FD_MCNT_SET( BUNDLE, BUNDLE_RX, ctx->metrics.bundle_received_cnt );
94 0 : FD_MCNT_SET( BUNDLE, PKT_RX, ctx->metrics.packet_received_cnt );
95 0 : FD_MCNT_SET( BUNDLE, PROTOBUF_RX_BYTES, ctx->metrics.proto_received_bytes );
96 0 : FD_MCNT_SET( BUNDLE, SHREDSTREAM_HEARTBEAT_SENT, ctx->metrics.shredstream_heartbeat_cnt );
97 0 : FD_MCNT_SET( BUNDLE, PING_ACKED, ctx->metrics.ping_ack_cnt );
98 0 : FD_MCNT_SET( BUNDLE, CONN_ERROR_PROTOBUF, ctx->metrics.decode_fail_cnt );
99 0 : FD_MCNT_SET( BUNDLE, CONN_ERROR_TRANSPORT, ctx->metrics.transport_fail_cnt );
100 0 : FD_MCNT_SET( BUNDLE, CONN_ERROR_NO_FEE_INFO, ctx->metrics.missing_builder_info_fail_cnt );
101 0 : FD_MGAUGE_SET( BUNDLE, TXN_PENDING, pending_txn_cnt( ctx->pending_txns ) );
102 0 : FD_MCNT_SET ( BUNDLE, TXN_BUFFER_FULL, ctx->metrics.backpressure_drop_cnt );
103 :
104 0 : FD_MGAUGE_SET( BUNDLE, RTT_SAMPLE_NANOS, (ulong)ctx->rtt->latest_rtt );
105 0 : FD_MGAUGE_SET( BUNDLE, RTT_SMOOTHED_NANOS, (ulong)ctx->rtt->smoothed_rtt );
106 0 : FD_MGAUGE_SET( BUNDLE, RTT_VARIANCE_NANOS, (ulong)ctx->rtt->var_rtt );
107 :
108 0 : FD_MHIST_COPY( BUNDLE, MESSAGE_RX_DELAY_NANOS, ctx->metrics.msg_rx_delay );
109 :
110 0 : fd_wksp_t * wksp = fd_wksp_containing( ctx );
111 0 : fd_wksp_usage_t usage[1];
112 0 : ulong const free_tag = 0UL;
113 0 : if( FD_UNLIKELY( !fd_wksp_usage( wksp, &free_tag, 1UL, usage ) ) ) {
114 0 : FD_LOG_ERR(( "fd_wksp_usage failed" )); /* unreachable */
115 0 : }
116 0 : FD_MGAUGE_SET( BUNDLE, HEAP_SIZE_BYTES, usage->total_sz );
117 0 : FD_MGAUGE_SET( BUNDLE, HEAP_FREE_BYTES, usage->free_sz );
118 :
119 0 : int status = fd_bundle_client_status( ctx );
120 0 : ulong state = (ulong)status;
121 0 : if( FD_UNLIKELY( ctx->sleep_mode ) ) state = FD_BUNDLE_STATE_SLEEPING;
122 :
123 0 : FD_MGAUGE_SET( BUNDLE, STATE, state );
124 0 : ctx->bundle_status_recent = (uchar)state;
125 0 : }
126 :
127 : void
128 9 : fd_bundle_tile_housekeeping( fd_bundle_tile_t * ctx ) {
129 9 : long log_interval_ns = (long)30e9;
130 9 : int status = fd_bundle_client_status( ctx );
131 9 : long log_next_ns = ctx->last_bundle_status_log_nanos + log_interval_ns;
132 9 : long now_ns = fd_log_wallclock();
133 :
134 9 : if( FD_UNLIKELY( !ctx->sleep_mode && status!=FD_BUNDLE_STATE_CONNECTED && now_ns>log_next_ns ) ) {
135 3 : FD_LOG_WARNING(( "No bundle server connection in the last %ld seconds", log_interval_ns/(long)1e9 ) );
136 3 : ctx->last_bundle_status_log_nanos = now_ns;
137 3 : }
138 :
139 9 : if( FD_UNLIKELY( fd_keyswitch_state_query( ctx->keyswitch )==FD_KEYSWITCH_STATE_SWITCH_PENDING ) ) {
140 3 : if( ctx->tcp_sock>=0 ) fd_bundle_client_reset( ctx );
141 3 : ctx->halt_signing = 1;
142 3 : fd_memcpy( ctx->auther.pubkey, ctx->keyswitch->bytes, 32UL );
143 3 : fd_keyswitch_state( ctx->keyswitch, FD_KEYSWITCH_STATE_COMPLETED );
144 3 : }
145 :
146 9 : if( FD_UNLIKELY( fd_keyswitch_state_query( ctx->keyswitch )==FD_KEYSWITCH_STATE_UNHALT_PENDING ) ) {
147 3 : ctx->defer_reset = 1;
148 3 : ctx->sleep_check_ns = 0;
149 3 : ctx->halt_signing = 0;
150 3 : ctx->next_step_deadline = 0L; /* the socket was closed outside a step: step now */
151 3 : fd_keyswitch_state( ctx->keyswitch, FD_KEYSWITCH_STATE_COMPLETED );
152 3 : }
153 :
154 9 : fd_bundle_tile_maybe_sleep( ctx, now_ns );
155 9 : }
156 :
157 : static void
158 : fd_bundle_tile_publish_block_engine_update(
159 : fd_bundle_tile_t * ctx,
160 : fd_stem_context_t * stem
161 0 : ) {
162 0 : fd_bundle_block_engine_update_t * update =
163 0 : fd_chunk_to_laddr( ctx->plugin_out.mem, ctx->plugin_out.chunk );
164 0 : memset( update, 0, sizeof(fd_bundle_block_engine_update_t) );
165 :
166 0 : strncpy( update->name, "jito", sizeof(update->name) );
167 :
168 0 : FD_TEST( fd_cstr_printf_check( update->url, sizeof(update->url), NULL,
169 0 : "%s://%.*s:%u",
170 0 : ctx->is_ssl ? "https" : "http",
171 0 : (int)ctx->server_fqdn_len,
172 0 : ctx->server_fqdn,
173 0 : ctx->server_tcp_port ) );
174 :
175 : /* Format IPv4 string */
176 0 : snprintf( update->ip_cstr, sizeof(update->ip_cstr),
177 0 : FD_IP4_ADDR_FMT,
178 0 : FD_IP4_ADDR_FMT_ARGS( ctx->server_ip4_addr ) );
179 :
180 0 : ulong tspub = (ulong)fd_frag_meta_ts_comp( fd_bundle_now( ctx ) );
181 0 : fd_stem_publish(
182 0 : stem,
183 0 : ctx->plugin_out.idx,
184 0 : (ulong)ctx->bundle_status_recent,
185 0 : ctx->plugin_out.chunk,
186 0 : sizeof(fd_bundle_block_engine_update_t),
187 0 : 0UL, /* ctl */
188 0 : 0UL, /* seq */
189 0 : tspub
190 0 : );
191 0 : ctx->plugin_out.chunk = fd_dcache_compact_next( ctx->plugin_out.chunk, sizeof(fd_bundle_block_engine_update_t), ctx->plugin_out.chunk0, ctx->plugin_out.wmark );
192 0 : }
193 :
194 : static void
195 : during_frag( fd_bundle_tile_t * ctx,
196 : ulong in_idx,
197 : ulong seq FD_PARAM_UNUSED,
198 : ulong sig,
199 : ulong chunk,
200 : ulong sz FD_PARAM_UNUSED,
201 21 : ulong ctl FD_PARAM_UNUSED ) {
202 :
203 21 : if( FD_UNLIKELY( ctx->in_kind[ in_idx ]==IN_KIND_REPLAY_OUT ) ) {
204 18 : if( FD_LIKELY( sig!=REPLAY_SIG_RESET ) ) return;
205 15 : if( FD_UNLIKELY( chunk<ctx->replay_in.chunk0 || chunk>ctx->replay_in.wmark || sz!=sizeof(fd_poh_reset_t) ) )
206 0 : FD_LOG_ERR(( "chunk %lu %lu corrupt, not in range [%lu,%lu]", chunk, sz, ctx->replay_in.chunk0, ctx->replay_in.wmark ));
207 :
208 15 : fd_poh_reset_t const * reset = fd_chunk_to_laddr_const( ctx->replay_in.mem, chunk );
209 15 : ctx->next_leader_slot_staged = reset->next_leader_slot;
210 15 : ctx->reset_slot_staged = reset->completed_slot;
211 15 : }
212 21 : }
213 :
214 : static void
215 : after_frag( fd_bundle_tile_t * ctx,
216 : ulong in_idx,
217 : ulong seq FD_PARAM_UNUSED,
218 : ulong sig,
219 : ulong sz FD_PARAM_UNUSED,
220 : ulong tsorig FD_PARAM_UNUSED,
221 : ulong tspub FD_PARAM_UNUSED,
222 21 : fd_stem_context_t * stem FD_PARAM_UNUSED ) {
223 :
224 21 : if( FD_UNLIKELY( ctx->in_kind[ in_idx ]==IN_KIND_REPLAY_OUT ) ) {
225 18 : if( FD_LIKELY( sig!=REPLAY_SIG_RESET ) ) return;
226 15 : ctx->next_leader_slot = ctx->next_leader_slot_staged;
227 15 : ctx->reset_slot = ctx->reset_slot_staged;
228 15 : }
229 21 : }
230 :
231 : static void
232 : before_credit( fd_bundle_tile_t * ctx,
233 : fd_stem_context_t * stem,
234 0 : int * charge_busy ) {
235 0 : if( FD_UNLIKELY( !ctx->stem ) ) {
236 0 : ctx->stem = stem;
237 0 : }
238 :
239 0 : if( FD_UNLIKELY( ctx->halt_signing ) ) return;
240 :
241 0 : if( FD_UNLIKELY( ctx->sleep_mode ) ) {
242 0 : if( ctx->tcp_sock>=0 ) {
243 0 : fd_bundle_client_reset( ctx );
244 : /* Override backoff so we don't treat this as an error */
245 0 : ctx->backoff_until = 0;
246 0 : ctx->backoff_iter = 0;
247 0 : }
248 0 : return;
249 0 : }
250 :
251 0 : if( pending_txn_empty( ctx->pending_txns ) ) {
252 0 : int fired = fd_fseq_query( ctx->waker_fseq )==1UL;
253 0 : long now = fd_bundle_now( ctx );
254 0 : if( FD_UNLIKELY( fired || now>=ctx->next_step_deadline ) ) {
255 0 : if( FD_LIKELY( fired ) ) fd_fseq_update( ctx->waker_fseq, 0UL );
256 0 : int busy = 0;
257 0 : fd_bundle_client_step( ctx, &busy );
258 0 : if( FD_LIKELY( fired ) ) fd_waker_client_rearm( ctx->waker_client_idx );
259 0 : *charge_busy = busy;
260 : /* A step that made progress may have more buffered work: re-step
261 : immediately. */
262 0 : ctx->next_step_deadline = busy ? 0L : fd_bundle_client_next_deadline( ctx, fd_bundle_now( ctx ) );
263 0 : }
264 0 : }
265 0 : }
266 :
267 : static void
268 : after_credit( fd_bundle_tile_t * ctx,
269 : fd_stem_context_t * stem,
270 : int * opt_poll_in,
271 0 : int * charge_busy ) {
272 0 : if( FD_UNLIKELY( fd_clock_tile_recal_due( ctx->clock ) ) ) fd_clock_tile_recal( ctx->clock );
273 :
274 0 : if( !pending_txn_empty( ctx->pending_txns ) ) {
275 0 : fd_bundle_pending_txn_t * head = pending_txn_peek_head( ctx->pending_txns );
276 0 : ulong drain_seq = head->bundle_seq;
277 0 : ulong drain_sig = head->sig;
278 0 : ulong drain_cnt = 0UL;
279 :
280 0 : do {
281 0 : fd_bundle_pending_txn_t const * txn = pending_txn_peek_head( ctx->pending_txns );
282 :
283 0 : fd_txn_m_t * txnm = fd_chunk_to_laddr( ctx->verify_out.mem, ctx->verify_out.chunk );
284 0 : *txnm = (fd_txn_m_t) {
285 0 : .reference_slot = 0UL,
286 0 : .payload_sz = txn->payload_sz,
287 0 : .txn_t_sz = 0U,
288 0 : .source_ipv4 = txn->source_ipv4,
289 0 : .source_tpu = FD_TXN_M_TPU_SOURCE_BUNDLE,
290 0 : .first_seen_nanos = txn->first_seen_nanos,
291 0 : .block_engine = {
292 0 : .bundle_id = txn->bundle_seq,
293 0 : .bundle_txn_cnt = txn->bundle_txn_cnt,
294 0 : .commission = txn->commission,
295 0 : },
296 0 : };
297 0 : fd_memcpy( txnm->block_engine.commission_pubkey, txn->commission_pubkey, 32UL );
298 0 : fd_memcpy( fd_txn_m_payload( txnm ), txn->payload, txn->payload_sz );
299 :
300 0 : ulong sz = fd_txn_m_realized_footprint( txnm, 0, 0 );
301 0 : ulong tspub = (ulong)fd_frag_meta_ts_comp( fd_bundle_now( ctx ) );
302 0 : fd_stem_publish( stem, ctx->verify_out.idx, txn->sig, ctx->verify_out.chunk, sz, 0UL, 0UL, tspub );
303 0 : ctx->verify_out.chunk = fd_dcache_compact_next( ctx->verify_out.chunk, sz, ctx->verify_out.chunk0, ctx->verify_out.wmark );
304 :
305 0 : pending_txn_remove_head( ctx->pending_txns );
306 0 : drain_cnt++;
307 0 : } while( fd_bundle_drain_continue( ctx->pending_txns, drain_sig, drain_seq, drain_cnt, STEM_BURST ) );
308 :
309 0 : *charge_busy = 1;
310 0 : *opt_poll_in = 0;
311 0 : }
312 :
313 0 : if( ctx->plugin_out.mem ) {
314 0 : if( FD_UNLIKELY( ctx->bundle_status_recent != ctx->bundle_status_plugin ) ) {
315 0 : fd_bundle_tile_publish_block_engine_update( ctx, stem );
316 0 : ctx->bundle_status_plugin = (uchar)ctx->bundle_status_recent;
317 0 : *charge_busy = 1;
318 0 : }
319 0 : }
320 0 : }
321 :
322 : static void
323 : fd_bundle_tls_keylog_line( fd_bundle_tile_t * ctx,
324 : char const * label,
325 : uchar const client_random[ static 32 ],
326 : uchar const * secret,
327 12 : ulong secret_sz ) {
328 12 : char line[ 256 ];
329 12 : char * p = fd_cstr_init( line );
330 12 : p = fd_cstr_append_cstr( p, label );
331 12 : p = fd_hex_encode( p, client_random, 32UL );
332 12 : p = fd_cstr_append_char( p, ' ' );
333 12 : p = fd_hex_encode( p, secret, secret_sz );
334 12 : ulong line_sz = (ulong)(p-line);
335 12 : fd_cstr_fini( p );
336 :
337 12 : struct iovec iovs[2] = {
338 12 : { .iov_base=line, .iov_len=line_sz },
339 12 : { .iov_base=(void *)"\n", .iov_len=1UL },
340 12 : };
341 12 : if( FD_UNLIKELY( writev( ctx->keylog_fd, iovs, 2 )!=(long)(line_sz+1UL) ) ) {
342 0 : FD_LOG_WARNING(( "write(keylog) failed (%i-%s)", errno, fd_io_strerror( errno ) ));
343 0 : }
344 12 : }
345 :
346 : static void
347 : fd_bundle_tls_keylog( void const * handshake,
348 : void const * recv_secret,
349 : void const * send_secret,
350 6 : uint encryption_level ) {
351 6 : fd_tlsrec_conn_t const * tls_conn = (fd_tlsrec_conn_t const *)(
352 6 : (ulong)handshake - offsetof(fd_tlsrec_conn_t, hs) );
353 6 : fd_bundle_tile_t * ctx = (fd_bundle_tile_t *)(
354 6 : (ulong)tls_conn - offsetof(fd_bundle_tile_t, tls_conn) );
355 6 : fd_tls_estate_t const * hs = handshake;
356 :
357 6 : char const * client_label;
358 6 : char const * server_label;
359 6 : switch( encryption_level ) {
360 3 : case FD_TLS_LEVEL_HANDSHAKE:
361 3 : client_label = "CLIENT_HANDSHAKE_TRAFFIC_SECRET ";
362 3 : server_label = "SERVER_HANDSHAKE_TRAFFIC_SECRET ";
363 3 : break;
364 3 : case FD_TLS_LEVEL_APPLICATION:
365 3 : client_label = "CLIENT_TRAFFIC_SECRET_0 ";
366 3 : server_label = "SERVER_TRAFFIC_SECRET_0 ";
367 3 : break;
368 0 : default:
369 0 : return;
370 6 : }
371 :
372 6 : uchar const * client_secret = hs->base.server ? recv_secret : send_secret;
373 6 : uchar const * server_secret = hs->base.server ? send_secret : recv_secret;
374 6 : fd_bundle_tls_keylog_line( ctx, client_label, hs->base.client_random,
375 6 : client_secret, 32UL );
376 6 : fd_bundle_tls_keylog_line( ctx, server_label, hs->base.client_random,
377 6 : server_secret, 32UL );
378 6 : }
379 :
380 : #ifndef FD_TILE_TEST
381 : static void
382 : fd_bundle_tile_parse_endpoint( fd_bundle_tile_t * ctx,
383 0 : fd_topo_tile_t const * tile ) {
384 0 : fd_url_t url[1];
385 0 : _Bool is_ssl = 0;
386 0 : if( FD_UNLIKELY( fd_url_parse_endpoint( url,
387 0 : tile->bundle.url,
388 0 : tile->bundle.url_len,
389 0 : &ctx->server_tcp_port,
390 0 : &is_ssl,
391 0 : "[tiles.bundle.url]" ) ) ) {
392 0 : FD_LOG_ERR(( "Could not parse [tiles.bundle.url]" ));
393 0 : }
394 0 : if( FD_UNLIKELY( url->host_len>=FD_FQDN_BUF_MAX ) ) {
395 0 : FD_LOG_CRIT(( "Invalid url->host_len" )); /* unreachable */
396 0 : }
397 0 : fd_cstr_fini( fd_cstr_append_text( fd_cstr_init( ctx->server_fqdn ), url->host, url->host_len ) );
398 0 : ctx->server_fqdn_len = url->host_len;
399 :
400 0 : if( FD_UNLIKELY( tile->bundle.sni_len ) ) {
401 0 : fd_cstr_fini( fd_cstr_append_text( fd_cstr_init( ctx->server_sni ), tile->bundle.sni, tile->bundle.sni_len ) );
402 0 : ctx->server_sni_len = tile->bundle.sni_len;
403 0 : } else {
404 0 : fd_cstr_fini( fd_cstr_append_text( fd_cstr_init( ctx->server_sni ), url->host, url->host_len ) );
405 0 : ctx->server_sni_len = url->host_len;
406 0 : }
407 :
408 0 : if( FD_UNLIKELY( ctx->server_sni_len>=sizeof(ctx->tls->server_name) ) ) {
409 0 : FD_LOG_ERR(( "Server name is %lu bytes, longer than the %lu byte maximum: "
410 0 : "check [tiles.bundle.url] and [tiles.bundle.tls_domain_name]",
411 0 : ctx->server_sni_len, sizeof(ctx->tls->server_name)-1UL ));
412 0 : }
413 :
414 0 : ctx->is_ssl = !!is_ssl;
415 0 : }
416 :
417 :
418 : static void
419 : fd_bundle_tile_init_tls( fd_bundle_tile_t * ctx,
420 0 : fd_topo_tile_t const * tile ) {
421 : /* Initialize native TLS */
422 0 : fd_tls_t * tls = fd_tls_join( fd_tls_new( ctx->tls ) );
423 :
424 0 : uchar rng_key[ FD_CHACHA_KEY_SZ ];
425 0 : if( FD_UNLIKELY( !fd_rng_secure( rng_key, sizeof(rng_key) ) ) ) FD_LOG_CRIT(( "fd_rng_secure failed" ));
426 0 : fd_chacha_rng_init( ctx->tls_rng, rng_key, FD_CHACHA_RNG_ALGO_CHACHA8 );
427 0 : fd_memzero_explicit( rng_key, sizeof(rng_key) );
428 0 : tls->rng = ctx->tls_rng;
429 0 : if( FD_LIKELY( ctx->keylog_fd>=0 ) ) tls->secrets_fn = fd_bundle_tls_keylog;
430 :
431 : /* ALPN: h2 */
432 0 : static uchar const alpn[] = { 2, 'h', '2' };
433 0 : fd_memcpy( tls->alpn, alpn, sizeof(alpn) );
434 0 : tls->alpn_sz = sizeof(alpn);
435 :
436 0 : if( FD_UNLIKELY( !ctx->is_ssl ) ) return; /* plaintext, nothing to verify */
437 :
438 0 : if( FD_UNLIKELY( !tile->bundle.tls_cert_verify ) ) {
439 0 : FD_LOG_WARNING(( "[tiles.bundle.tls_cert_verify] is disabled. The block engine "
440 0 : "certificate will not be verified. This is insecure." ));
441 0 : return;
442 0 : }
443 :
444 : /* Load system CA certificates */
445 0 : if( FD_UNLIKELY( fd_x509_ca_store_load_system( ctx->ca_store )<0L ) ) {
446 0 : FD_LOG_ERR(( "No CA certificate bundle found, cannot verify the block engine "
447 0 : "certificate. Install the system CA certificates, or set "
448 0 : "`[tiles.bundle] tls_cert_verify = false` to disable verification "
449 0 : "(insecure)." ));
450 0 : }
451 :
452 0 : tls->ca_store = ctx->ca_store;
453 0 : }
454 :
455 : static void
456 : privileged_init( fd_topo_t const * topo,
457 0 : fd_topo_tile_t const * tile ) {
458 0 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
459 :
460 0 : ulong const pending_max = tile->bundle.out_depth;
461 :
462 0 : FD_SCRATCH_ALLOC_INIT( l, scratch );
463 0 : fd_bundle_tile_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof(fd_bundle_tile_t), sizeof(fd_bundle_tile_t) );
464 0 : void * grpc_mem = FD_SCRATCH_ALLOC_APPEND( l, fd_grpc_client_align(), fd_grpc_client_footprint( tile->bundle.buf_sz ) );
465 0 : void * deque_mem = FD_SCRATCH_ALLOC_APPEND( l, pending_txn_align(), pending_txn_footprint( pending_max ) );
466 :
467 0 : ulong scratch_top = FD_SCRATCH_ALLOC_FINI( l, scratch_align() );
468 0 : if( FD_UNLIKELY( scratch_top > (ulong)scratch + scratch_footprint( tile ) ) )
469 0 : FD_LOG_ERR(( "scratch overflow %lu %lu %lu", scratch_top - (ulong)scratch - scratch_footprint( tile ), scratch_top, (ulong)scratch + scratch_footprint( tile ) ));
470 :
471 0 : memset( ctx, 0, sizeof(fd_bundle_tile_t) );
472 0 : ctx->grpc_client_mem = grpc_mem;
473 0 : ctx->grpc_buf_max = tile->bundle.buf_sz;
474 0 : ctx->tcp_sock = -1;
475 0 : ctx->waker_client_idx = tile->waker_client_idx;
476 0 : ctx->pending_txns = pending_txn_join( pending_txn_new( deque_mem, pending_max ) );
477 :
478 0 : fd_bundle_auther_init( &ctx->auther );
479 0 : uchar const * public_key = fd_keyload_load( tile->bundle.identity_key_path, 1 /* public key only */ );
480 0 : fd_memcpy( ctx->auther.pubkey, public_key, 32UL );
481 :
482 0 : ctx->keylog_fd = -1;
483 :
484 0 : if( FD_UNLIKELY( tile->bundle.key_log_path[0] ) ) {
485 0 : ctx->keylog_fd = open( tile->bundle.key_log_path, O_WRONLY|O_APPEND|O_CREAT, 0644 );
486 0 : if( FD_UNLIKELY( ctx->keylog_fd < 0 ) ) {
487 0 : FD_LOG_ERR(( "open(%s) failed (%i-%s)", tile->bundle.key_log_path, errno, fd_io_strerror( errno ) ));
488 0 : }
489 0 : }
490 :
491 0 : fd_bundle_tile_parse_endpoint( ctx, tile );
492 :
493 : /* Initialize native TLS before seccomp (reads CA certs from disk) */
494 0 : fd_bundle_tile_init_tls( ctx, tile );
495 :
496 : /* Init resolver */
497 0 : if( FD_UNLIKELY( !fd_netdb_open_fds( ctx->netdb_fds ) ) ) {
498 0 : FD_LOG_ERR(( "fd_netdb_open_fds failed" ));
499 0 : }
500 :
501 : /* Random seed for header hashmap */
502 0 : if( FD_UNLIKELY( !fd_rng_secure( &ctx->map_seed, sizeof(ulong) ) ) ) {
503 0 : FD_LOG_CRIT(( "fd_rng_secure failed" ));
504 0 : }
505 :
506 : /* Random seed for timing RNG */
507 0 : uint rng_seed;
508 0 : if( FD_UNLIKELY( !fd_rng_secure( &rng_seed, sizeof(uint) ) ) ) {
509 0 : FD_LOG_CRIT(( "fd_rng_secure failed" ));
510 0 : }
511 0 : if( FD_UNLIKELY( !fd_rng_join( fd_rng_new( &ctx->rng, rng_seed, 0UL ) ) ) ) {
512 0 : FD_LOG_CRIT(( "fd_rng_join failed" )); /* unreachable */
513 0 : }
514 0 : }
515 :
516 : static fd_bundle_out_ctx_t
517 : bundle_out_link( fd_topo_t const * topo,
518 : fd_topo_link_t const * link,
519 0 : ulong out_link_idx ) {
520 0 : fd_bundle_out_ctx_t out = {0};
521 0 : out.idx = out_link_idx;
522 0 : out.mem = topo->workspaces[ topo->objs[ link->dcache_obj_id ].wksp_id ].wksp;
523 0 : out.chunk0 = fd_dcache_compact_chunk0( out.mem, link->dcache );
524 0 : out.wmark = fd_dcache_compact_wmark ( out.mem, link->dcache, link->mtu );
525 0 : out.chunk = out.chunk0;
526 0 : return out;
527 0 : }
528 :
529 : static void
530 : unprivileged_init( fd_topo_t const * topo,
531 0 : fd_topo_tile_t const * tile ) {
532 0 : fd_bundle_tile_t * ctx = fd_topo_obj_laddr( topo, tile->tile_obj_id );
533 0 : if( FD_UNLIKELY( tile->kind_id!=0 ) ) {
534 0 : FD_LOG_ERR(( "There can only be one bundle tile" ));
535 0 : }
536 :
537 0 : fd_clock_tile_init( ctx->clock );
538 :
539 0 : ulong sign_in_idx = fd_topo_find_tile_in_link( topo, tile, "sign_bundle", tile->kind_id );
540 0 : if( FD_UNLIKELY( sign_in_idx==ULONG_MAX ) ) FD_LOG_ERR(( "Missing sign_bundle link" ));
541 0 : fd_topo_link_t const * sign_in = &topo->links[ tile->in_link_id[ sign_in_idx ] ];
542 :
543 0 : ulong sign_out_idx = fd_topo_find_tile_out_link( topo, tile, "bundle_sign", tile->kind_id );
544 0 : if( FD_UNLIKELY( sign_out_idx==ULONG_MAX ) ) FD_LOG_ERR(( "Missing bundle_sign link" ));
545 0 : fd_topo_link_t const * sign_out = &topo->links[ tile->out_link_id[ sign_out_idx ] ];
546 :
547 0 : if( FD_UNLIKELY( !fd_keyguard_client_join( fd_keyguard_client_new(
548 0 : ctx->keyguard_client,
549 0 : sign_out->mcache,
550 0 : sign_out->dcache,
551 0 : sign_in->mcache,
552 0 : sign_in->dcache,
553 0 : sign_out->mtu,
554 0 : sign_in->mtu
555 0 : ) ) ) ) {
556 0 : FD_LOG_ERR(( "fd_keyguard_client_join failed" )); /* unreachable */
557 0 : }
558 :
559 0 : ctx->keyswitch = fd_keyswitch_join( fd_topo_obj_laddr( topo, tile->id_keyswitch_obj_id ) );
560 0 : FD_TEST( ctx->keyswitch );
561 :
562 0 : FD_TEST( ctx->waker_client_idx!=ULONG_MAX );
563 0 : ctx->waker_fseq = fd_fseq_join( fd_topo_obj_laddr( topo, tile->waker_fseq_obj_id ) );
564 0 : FD_TEST( ctx->waker_fseq );
565 :
566 0 : ulong verify_out_idx = fd_topo_find_tile_out_link( topo, tile, "bundle_verif", tile->kind_id );
567 0 : if( FD_UNLIKELY( verify_out_idx==ULONG_MAX ) ) FD_LOG_ERR(( "Missing bundle_verif link" ));
568 0 : ctx->verify_out = bundle_out_link( topo, &topo->links[ tile->out_link_id[ verify_out_idx ] ], verify_out_idx );
569 :
570 0 : ulong plugin_out_idx = fd_topo_find_tile_out_link( topo, tile, "bundle_status", tile->kind_id );
571 0 : if( plugin_out_idx!=ULONG_MAX ) {
572 0 : ctx->plugin_out = bundle_out_link( topo, &topo->links[ tile->out_link_id[ plugin_out_idx ] ], plugin_out_idx );
573 0 : } else {
574 0 : ctx->plugin_out = (fd_bundle_out_ctx_t){ .idx=ULONG_MAX };
575 0 : }
576 :
577 : /* Set socket receive buffer size */
578 0 : ulong so_rcvbuf = tile->bundle.buf_sz;
579 0 : if( FD_UNLIKELY( so_rcvbuf < 2048UL ) ) FD_LOG_ERR(( "Invalid [development.bundle.buffer_size_kib]: too small" ));
580 0 : if( FD_UNLIKELY( so_rcvbuf > INT_MAX ) ) FD_LOG_ERR(( "Invalid [development.bundle.buffer_size_kib]: too large" ));
581 0 : ctx->so_rcvbuf = (int)so_rcvbuf;
582 :
583 : /* Set idle ping timer */
584 0 : ctx->keepalive_interval = (long)tile->bundle.keepalive_interval_nanos;
585 :
586 0 : ctx->bundle_status_plugin = 127;
587 0 : ctx->bundle_status_recent = (uchar)FD_BUNDLE_STATE_DISCONNECTED;
588 0 : ctx->last_bundle_status_log_nanos = fd_log_wallclock();
589 :
590 0 : FD_TEST( tile->in_cnt<=sizeof(ctx->in_kind)/sizeof(ctx->in_kind[0]) );
591 0 : int has_replay_in = 0;
592 0 : ulong polled_in_idx = 0UL;
593 0 : for( ulong i=0UL; i<tile->in_cnt; i++ ) {
594 0 : if( FD_UNLIKELY( !tile->in_link_poll[ i ] ) ) continue;
595 :
596 0 : fd_topo_link_t const * link = &topo->links[ tile->in_link_id[ i ] ];
597 0 : if( !strcmp( link->name, "replay_out" ) ) {
598 0 : ctx->in_kind[ polled_in_idx ] = IN_KIND_REPLAY_OUT;
599 0 : fd_topo_wksp_t const * link_wksp = &topo->workspaces[ topo->objs[ link->dcache_obj_id ].wksp_id ];
600 0 : ctx->replay_in.mem = link_wksp->wksp;
601 0 : ctx->replay_in.chunk0 = fd_dcache_compact_chunk0( ctx->replay_in.mem, link->dcache );
602 0 : ctx->replay_in.wmark = fd_dcache_compact_wmark ( ctx->replay_in.mem, link->dcache, link->mtu );
603 0 : has_replay_in = 1;
604 0 : }
605 0 : polled_in_idx++;
606 0 : }
607 :
608 0 : ctx->next_leader_slot = ULONG_MAX;
609 0 : ctx->reset_slot = ULONG_MAX;
610 0 : ctx->sleep_mode = has_replay_in; /* start asleep until we learn leader schedule */
611 0 : ctx->sleep_check_ns = 0;
612 0 : ctx->halt_signing = 0;
613 0 : if( !has_replay_in ) memset( &ctx->replay_in, 0, sizeof(ctx->replay_in) );
614 :
615 0 : ctx->grpc_client = fd_grpc_client_new( ctx->grpc_client_mem, &fd_bundle_client_grpc_callbacks, ctx->grpc_metrics, ctx, ctx->grpc_buf_max, ctx->map_seed );
616 0 : if( FD_UNLIKELY( !ctx->grpc_client ) ) {
617 0 : FD_LOG_CRIT(( "fd_grpc_client_new failed" )); /* unreachable */
618 0 : }
619 0 : fd_grpc_client_set_version( ctx->grpc_client, fd_version_cstr, strlen( fd_version_cstr ) );
620 0 : fd_grpc_client_set_authority( ctx->grpc_client, ctx->server_sni, ctx->server_sni_len, ctx->server_tcp_port );
621 :
622 0 : fd_histf_new( ctx->metrics.msg_rx_delay,
623 0 : FD_MHIST_MIN( BUNDLE, MESSAGE_RX_DELAY_NANOS ),
624 0 : FD_MHIST_MAX( BUNDLE, MESSAGE_RX_DELAY_NANOS ) );
625 0 : }
626 :
627 : static ulong
628 : populate_allowed_seccomp( fd_topo_t const * topo,
629 : fd_topo_tile_t const * tile,
630 : ulong out_cnt,
631 0 : struct sock_filter * out ) {
632 0 : fd_bundle_tile_t * ctx = fd_topo_obj_laddr( topo, tile->tile_obj_id );
633 :
634 0 : uint epoll_inner_fd = (uint)FD_WAKER_INNER_FD( tile->waker_client_idx );
635 0 : uint epoll_outer_fd = (uint)FD_WAKER_OUTER_FD;
636 :
637 0 : populate_sock_filter_policy_fd_bundle_tile(
638 0 : out_cnt, out,
639 0 : (uint)fd_log_private_logfile_fd(),
640 0 : (uint)ctx->keylog_fd,
641 0 : (uint)ctx->netdb_fds->etc_hosts,
642 0 : (uint)ctx->netdb_fds->etc_resolv_conf,
643 0 : epoll_inner_fd,
644 0 : epoll_outer_fd
645 0 : );
646 0 : return sock_filter_policy_fd_bundle_tile_instr_cnt;
647 0 : }
648 :
649 : static ulong
650 : populate_allowed_fds( fd_topo_t const * topo,
651 : fd_topo_tile_t const * tile,
652 : ulong out_fds_cnt,
653 0 : int * out_fds ) {
654 0 : fd_bundle_tile_t * ctx = fd_topo_obj_laddr( topo, tile->tile_obj_id );
655 :
656 0 : if( FD_UNLIKELY( out_fds_cnt<7UL ) ) FD_LOG_ERR(( "out_fds_cnt %lu", out_fds_cnt ));
657 :
658 0 : ulong out_cnt = 0UL;
659 0 : out_fds[ out_cnt++ ] = 2; /* stderr */
660 0 : if( FD_LIKELY( -1!=fd_log_private_logfile_fd() ) )
661 0 : out_fds[ out_cnt++ ] = fd_log_private_logfile_fd(); /* logfile */
662 0 : if( FD_LIKELY( ctx->netdb_fds->etc_hosts >= 0 ) )
663 0 : out_fds[ out_cnt++ ] = ctx->netdb_fds->etc_hosts;
664 0 : out_fds[ out_cnt++ ] = ctx->netdb_fds->etc_resolv_conf;
665 0 : if( FD_UNLIKELY( ctx->keylog_fd>=0 ) )
666 0 : out_fds[ out_cnt++ ] = ctx->keylog_fd;
667 0 : out_fds[ out_cnt++ ] = FD_WAKER_OUTER_FD;
668 0 : out_fds[ out_cnt++ ] = FD_WAKER_INNER_FD( tile->waker_client_idx );
669 0 : return out_cnt;
670 0 : }
671 :
672 0 : #define STEM_LAZY ((long)10e6)
673 :
674 0 : #define STEM_CALLBACK_CONTEXT_TYPE fd_bundle_tile_t
675 0 : #define STEM_CALLBACK_CONTEXT_ALIGN alignof(fd_bundle_tile_t)
676 :
677 0 : #define STEM_CALLBACK_DURING_HOUSEKEEPING fd_bundle_tile_housekeeping
678 0 : #define STEM_CALLBACK_METRICS_WRITE metrics_write
679 0 : #define STEM_CALLBACK_DURING_FRAG during_frag
680 0 : #define STEM_CALLBACK_AFTER_FRAG after_frag
681 0 : #define STEM_CALLBACK_BEFORE_CREDIT before_credit
682 0 : #define STEM_CALLBACK_AFTER_CREDIT after_credit
683 :
684 : #include "../stem/fd_stem.c"
685 :
686 : fd_topo_run_tile_t fd_tile_bundle = {
687 : .name = "bundle",
688 : .populate_allowed_seccomp = populate_allowed_seccomp,
689 : .populate_allowed_fds = populate_allowed_fds,
690 : .scratch_align = scratch_align,
691 : .scratch_footprint = scratch_footprint,
692 : .privileged_init = privileged_init,
693 : .unprivileged_init = unprivileged_init,
694 : .run = stem_run,
695 : .rlimit_file_cnt = 64,
696 : .keep_host_networking = 1,
697 : .allow_connect = 1
698 : };
699 : #endif
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