Line data Source code
1 : #define _GNU_SOURCE
2 : #include "fd_genesi_tile.h"
3 : #include "fd_genesis_client.h"
4 : #include "../../disco/topo/fd_topo.h"
5 : #include "../../disco/topo/fd_dns_resolve.h"
6 : #include "../../flamenco/accdb/fd_accdb.h"
7 : #include "../../flamenco/accdb/fd_accdb_shmem.h"
8 : #include "../../flamenco/genesis/fd_genesis_parse.h"
9 : #include "../../disco/events/generated/fd_event_gen.h"
10 : #include "../../third_party/bzip2/bzlib.h"
11 : #include "../../ballet/sha256/fd_sha256.h"
12 : #include "../../flamenco/runtime/fd_hashes.h"
13 : #include "../../util/archive/fd_tar.h"
14 :
15 : #include <stdio.h>
16 : #include <errno.h>
17 : #include <fcntl.h>
18 : #include <poll.h>
19 : #include <sys/syscall.h>
20 : #include <unistd.h>
21 : #include <netinet/in.h>
22 : #include <linux/fs.h>
23 :
24 : #include <sys/socket.h>
25 : #include "generated/fd_genesi_tile_seccomp.h"
26 :
27 : static void *
28 : bz2_malloc( void * opaque,
29 : int items,
30 0 : int size ) {
31 0 : fd_alloc_t * alloc = (fd_alloc_t *)opaque;
32 :
33 0 : if( FD_UNLIKELY( items<=0 || size<=0 ) ) {
34 0 : FD_LOG_WARNING(( "bz2_malloc: invalid items=%d or size=%d", items, size ));
35 0 : return NULL;
36 0 : }
37 0 : void * result = fd_alloc_malloc( alloc, alignof(max_align_t), (ulong)items*(ulong)size );
38 0 : if( FD_UNLIKELY( !result ) ) return NULL;
39 0 : return result;
40 0 : }
41 :
42 : static void
43 : bz2_free( void * opaque,
44 0 : void * addr ) {
45 0 : fd_alloc_t * alloc = (fd_alloc_t *)opaque;
46 :
47 0 : if( FD_UNLIKELY( !addr ) ) return;
48 0 : fd_alloc_free( alloc, addr );
49 0 : }
50 :
51 : struct fd_genesi_tile {
52 : fd_accdb_t * accdb;
53 :
54 : fd_hash_t genesis_hash[1];
55 :
56 : fd_genesis_client_t * client;
57 :
58 : fd_ip4_port_t entrypoints[ FD_TOPO_GOSSIP_ENTRYPOINTS_MAX ];
59 : ulong entrypoints_cnt;
60 :
61 : fd_lthash_value_t lthash[1];
62 :
63 : int local_genesis;
64 : int bootstrap;
65 : int shutdown;
66 :
67 : int has_expected_genesis_hash;
68 : uchar expected_genesis_hash[ 32UL ];
69 : ushort expected_shred_version;
70 : int validate_genesis_hash;
71 :
72 : char genesis_path[ PATH_MAX ];
73 :
74 : int in_fd;
75 : int out_fd;
76 : int out_dir_fd;
77 :
78 : struct {
79 : fd_wksp_t * mem;
80 : ulong chunk0;
81 : } out;
82 :
83 : fd_alloc_t * bz2_alloc;
84 :
85 : fd_genesis_t genesis[1];
86 : uchar * genesis_blob;
87 : ulong genesis_blob_sz;
88 : ulong max_message_size;
89 : };
90 :
91 : typedef struct fd_genesi_tile fd_genesi_tile_t;
92 :
93 : FD_FN_CONST static inline ulong
94 0 : scratch_align( void ) {
95 0 : ulong a = alignof( fd_genesi_tile_t );
96 0 : a = fd_ulong_max( a, fd_genesis_client_align() );
97 0 : a = fd_ulong_max( a, fd_alloc_align() );
98 0 : return a;
99 0 : }
100 :
101 : FD_FN_PURE static inline ulong
102 0 : scratch_footprint( fd_topo_tile_t const * tile ) {
103 0 : ulong l = FD_LAYOUT_INIT;
104 0 : l = FD_LAYOUT_APPEND( l, alignof( fd_genesi_tile_t ), sizeof( fd_genesi_tile_t ) );
105 0 : l = FD_LAYOUT_APPEND( l, fd_genesis_client_align(), fd_genesis_client_footprint() );
106 0 : l = FD_LAYOUT_APPEND( l, fd_alloc_align(), fd_alloc_footprint() );
107 0 : if( FD_UNLIKELY( !tile->genesi.entrypoints_cnt ) ) {
108 0 : l = FD_LAYOUT_APPEND( l, fd_accdb_align(), fd_accdb_footprint( tile->genesi.max_live_slots ) );
109 0 : }
110 0 : l = FD_LAYOUT_APPEND( l, alignof(uchar), tile->genesi.max_message_size + 4UL*FD_TAR_BLOCK_SZ );
111 0 : return FD_LAYOUT_FINI( l, scratch_align() );
112 0 : }
113 :
114 : FD_FN_CONST static inline ulong
115 0 : loose_footprint( fd_topo_tile_t const * tile ) {
116 0 : (void)tile;
117 : /* Leftover space for bzip2 allocations */
118 0 : return 1UL<<26; /* 64 MiB */
119 0 : }
120 :
121 : static inline int
122 0 : should_shutdown( fd_genesi_tile_t * ctx ) {
123 0 : return ctx->shutdown;
124 0 : }
125 :
126 : static void
127 : initialize_accdb( fd_accdb_t * accdb,
128 : fd_genesis_t const * genesis,
129 : uchar const * genesis_blob,
130 0 : fd_lthash_value_t * lthash ) {
131 0 : fd_accdb_fork_id_t fork_id = fd_accdb_attach_child( accdb, (fd_accdb_fork_id_t) {.val = USHORT_MAX } );
132 :
133 0 : for( ulong i=0UL; i<genesis->account_cnt; i++ ) {
134 0 : fd_genesis_account_t account[1];
135 0 : fd_genesis_account( genesis, genesis_blob, account, i );
136 :
137 0 : fd_acc_t acc = fd_accdb_write_one( accdb, fork_id, account->pubkey.key );
138 0 : fd_memcpy( acc.owner, account->owner.uc, 32UL );
139 0 : acc.lamports = account->lamports;
140 0 : acc.executable = !!account->executable;
141 0 : acc.data_len = account->data_len;
142 0 : fd_memcpy( acc.data, account->data, account->data_len );
143 :
144 0 : fd_lthash_value_t new_hash[1];
145 0 : fd_hashes_account_lthash_simple( account->pubkey.uc, acc.owner, acc.lamports, acc.executable, account->data, account->data_len, new_hash );
146 0 : fd_lthash_add( lthash, new_hash );
147 :
148 0 : acc.commit = 1;
149 0 : fd_accdb_unwrite_one( accdb, &acc );
150 0 : }
151 0 : }
152 :
153 : static inline void
154 : verify_cluster_type( fd_genesis_t const * genesis,
155 : fd_hash_t const * genesis_hash,
156 0 : char const * genesis_path ) {
157 :
158 0 : fd_hash_t mainnet_hash[1];
159 0 : FD_TEST( fd_base58_decode_32( "5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d", mainnet_hash->uc ) );
160 :
161 0 : fd_hash_t testnet_hash[1];
162 0 : FD_TEST( fd_base58_decode_32( "4uhcVJyU9pJkvQyS88uRDiswHXSCkY3zQawwpjk2NsNY", testnet_hash->uc ) );
163 :
164 0 : fd_hash_t devnet_hash[1];
165 0 : FD_TEST( fd_base58_decode_32( "EtWTRABZaYq6iMfeYKouRu166VU2xqa1wcaWoxPkrZBG", devnet_hash->uc ) );
166 :
167 0 : switch( genesis->cluster_type ) {
168 0 : case FD_GENESIS_TYPE_MAINNET: {
169 0 : if( FD_UNLIKELY( !fd_hash_eq( genesis_hash, mainnet_hash ) ) ) {
170 0 : FD_BASE58_ENCODE_32_BYTES( genesis_hash->uc, genesis_hash_b58 );
171 0 : FD_LOG_ERR(( "genesis file `%s` has cluster type MAINNET but unexpected genesis hash `%s`",
172 0 : genesis_path, genesis_hash_b58 ));
173 0 : }
174 0 : break;
175 0 : }
176 0 : case FD_GENESIS_TYPE_TESTNET: {
177 0 : if( FD_UNLIKELY( !fd_hash_eq( genesis_hash, testnet_hash ) ) ) {
178 0 : FD_BASE58_ENCODE_32_BYTES( genesis_hash->uc, genesis_hash_b58 );
179 0 : FD_LOG_ERR(( "genesis file `%s` has cluster type TESTNET but unexpected genesis hash `%s`",
180 0 : genesis_path, genesis_hash_b58 ));
181 0 : }
182 0 : break;
183 0 : }
184 0 : case FD_GENESIS_TYPE_DEVNET: {
185 0 : if( FD_UNLIKELY( !fd_hash_eq( genesis_hash, devnet_hash ) ) ) {
186 0 : FD_BASE58_ENCODE_32_BYTES( genesis_hash->uc, genesis_hash_b58 );
187 0 : FD_LOG_ERR(( "genesis file `%s` has cluster type DEVNET but unexpected genesis hash `%s`",
188 0 : genesis_path, genesis_hash_b58 ));
189 0 : }
190 0 : break;
191 0 : }
192 0 : default:
193 0 : break;
194 0 : }
195 0 : }
196 :
197 : static void
198 : after_credit( fd_genesi_tile_t * ctx,
199 : fd_stem_context_t * stem,
200 : int * opt_poll_in,
201 0 : int * charge_busy ) {
202 0 : (void)opt_poll_in;
203 :
204 0 : if( FD_UNLIKELY( ctx->shutdown ) ) return;
205 :
206 0 : if( FD_LIKELY( ctx->local_genesis ) ) {
207 0 : FD_TEST( -1!=ctx->in_fd );
208 :
209 0 : if( FD_UNLIKELY( ctx->genesis_blob_sz>ctx->max_message_size ) ) {
210 0 : FD_LOG_ERR(( "Genesis file `%s` exceeds maximum size (blob_sz=%lu max=%lu)",
211 0 : ctx->genesis_path, ctx->genesis_blob_sz, ctx->max_message_size ));
212 0 : }
213 0 : ulong msg_sz = sizeof(fd_genesis_meta_t) + ctx->genesis_blob_sz;
214 0 : if( FD_UNLIKELY( msg_sz>fd_genesi_tile_mtu( ctx->max_message_size ) ) ) {
215 0 : FD_LOG_ERR(( "The genesis file `%s` is too large for this Firedancer configuration (msg_sz=%lu max=%lu).\n"
216 0 : "Cannot start Firedancer. Please use a different genesis config or increase `development.genesis.max_file_size_mib`.",
217 0 : ctx->genesis_path, msg_sz, fd_genesi_tile_mtu( ctx->max_message_size ) ));
218 0 : }
219 :
220 0 : fd_genesis_meta_t * dst = fd_chunk_to_laddr( ctx->out.mem, ctx->out.chunk0 );
221 0 : memset( dst, 0, sizeof(fd_genesis_meta_t) );
222 0 : dst->creation_time_seconds = ctx->genesis->creation_time;
223 0 : dst->genesis_hash = *ctx->genesis_hash;
224 :
225 0 : if( FD_UNLIKELY( ctx->bootstrap ) ) {
226 0 : dst->bootstrap = 1;
227 0 : dst->has_lthash = 1;
228 0 : dst->lthash = *ctx->lthash;
229 0 : }
230 :
231 0 : uchar * dst_blob = (uchar *)( dst+1 );
232 0 : dst->blob_sz = ctx->genesis_blob_sz;
233 0 : fd_memcpy( dst_blob, ctx->genesis_blob, ctx->genesis_blob_sz );
234 :
235 0 : fd_stem_publish( stem, 0UL, msg_sz, ctx->out.chunk0, msg_sz, 0UL, 0UL, 0UL );
236 0 : *charge_busy = 1;
237 0 : FD_LOG_NOTICE(( "loaded local genesis.bin from file %s%s%s", fd_log_style_dim(), ctx->genesis_path, fd_log_style_normal() ));
238 :
239 0 : ctx->shutdown = 1;
240 0 : } else {
241 0 : uchar * buffer;
242 0 : ulong buffer_sz;
243 0 : fd_ip4_port_t peer;
244 0 : int result = fd_genesis_client_poll( ctx->client, &peer, &buffer, &buffer_sz, charge_busy );
245 0 : if( FD_UNLIKELY( -1==result ) ) FD_LOG_ERR(( "failed to retrieve genesis.bin from any configured gossip entrypoints" ));
246 0 : if( FD_LIKELY( 1==result ) ) return;
247 :
248 0 : uchar * decompressed = ctx->genesis_blob;
249 0 : ulong actual_decompressed_sz = 0UL;
250 0 : bz_stream bzstrm = {0};
251 0 : bzstrm.bzalloc = bz2_malloc;
252 0 : bzstrm.bzfree = bz2_free;
253 0 : bzstrm.opaque = ctx->bz2_alloc;
254 0 : int bzerr = BZ2_bzDecompressInit( &bzstrm, 0, 0 );
255 0 : if( FD_UNLIKELY( BZ_OK!=bzerr ) ) FD_LOG_ERR(( "BZ2_bzDecompressInit() failed (%d)", bzerr ));
256 :
257 0 : ulong decompressed_sz = ctx->max_message_size + 4UL*FD_TAR_BLOCK_SZ;
258 :
259 0 : bzstrm.next_in = (char *)buffer;
260 0 : bzstrm.avail_in = (uint)buffer_sz;
261 0 : bzstrm.next_out = (char *)decompressed;
262 0 : bzstrm.avail_out = (uint)decompressed_sz;
263 0 : bzerr = BZ2_bzDecompress( &bzstrm );
264 : /* genesis.bin is the first archive entry. Stop after filling the
265 : bounded prefix buffer instead of retaining the trailing RocksDB
266 : entries included by Agave. */
267 0 : if( FD_UNLIKELY( BZ_STREAM_END!=bzerr && !(BZ_OK==bzerr && !bzstrm.avail_out) ) ) {
268 0 : FD_LOG_ERR(( "BZ2_bzDecompress() failed or input was truncated (%d)", bzerr ));
269 0 : }
270 :
271 0 : actual_decompressed_sz = decompressed_sz - (ulong)bzstrm.avail_out;
272 :
273 0 : bzerr = BZ2_bzDecompressEnd( &bzstrm );
274 0 : if( FD_UNLIKELY( BZ_OK!=bzerr ) ) FD_LOG_ERR(( "BZ2_bzDecompressEnd() failed (%d)", bzerr ));
275 :
276 0 : FD_TEST( actual_decompressed_sz>=FD_TAR_BLOCK_SZ );
277 :
278 0 : fd_tar_meta_t const * meta = (fd_tar_meta_t const *)decompressed;
279 0 : FD_TEST( !strcmp( meta->name, "genesis.bin" ) );
280 0 : uchar const * blob = decompressed+FD_TAR_BLOCK_SZ;
281 0 : ulong blob_sz = fd_tar_meta_get_size( meta );
282 0 : if( FD_UNLIKELY( blob_sz==ULONG_MAX ) ) {
283 0 : FD_LOG_ERR(( "Genesis blob from peer at `http://" FD_IP4_ADDR_FMT ":%hu` has invalid tar header size",
284 0 : FD_IP4_ADDR_FMT_ARGS( peer.addr ), fd_ushort_bswap( peer.port ) ));
285 0 : }
286 0 : if( FD_UNLIKELY( blob_sz>ctx->max_message_size ) ) {
287 0 : FD_LOG_ERR(( "Genesis blob from peer at `http://" FD_IP4_ADDR_FMT ":%hu` exceeds maximum size (blob_sz=%lu max=%lu)",
288 0 : FD_IP4_ADDR_FMT_ARGS( peer.addr ), fd_ushort_bswap( peer.port ), blob_sz, ctx->max_message_size ));
289 0 : }
290 0 : FD_TEST( actual_decompressed_sz>=fd_ulong_sat_add( FD_TAR_BLOCK_SZ, blob_sz ) );
291 :
292 0 : fd_hash_t hash[1];
293 0 : fd_sha256_hash( blob, blob_sz, hash->uc );
294 :
295 : /* Can't verify expected_shred_version here because it needs to be
296 : mixed in with hard_forks from the snapshot. Replay tile will
297 : combine them and do this verification. */
298 :
299 0 : if( FD_LIKELY( ctx->has_expected_genesis_hash && memcmp( hash, ctx->expected_genesis_hash, 32UL ) ) ) {
300 0 : FD_BASE58_ENCODE_32_BYTES( ctx->expected_genesis_hash, expected_genesis_hash_b58 );
301 0 : FD_BASE58_ENCODE_32_BYTES( hash->uc, hash_b58 );
302 0 : FD_LOG_ERR(( "An expected genesis hash of `%s` has been set in your configuration file at [consensus.expected_genesis_hash] "
303 0 : "but the genesis hash derived from the peer at `http://" FD_IP4_ADDR_FMT ":%hu` has unexpected hash `%s`",
304 0 : expected_genesis_hash_b58, FD_IP4_ADDR_FMT_ARGS( peer.addr ), fd_ushort_bswap( peer.port ), hash_b58 ));
305 0 : }
306 :
307 0 : FD_TEST( !ctx->bootstrap );
308 :
309 0 : fd_genesis_t * genesis = fd_genesis_parse( ctx->genesis, blob, blob_sz );
310 0 : if( FD_UNLIKELY( !genesis ) ) {
311 0 : FD_LOG_ERR(( "unable to decode downloaded solana genesis file due to violated hardcoded limits" ));
312 0 : }
313 :
314 0 : if( FD_LIKELY( ctx->validate_genesis_hash ) ) {
315 0 : verify_cluster_type( genesis, hash, ctx->genesis_path );
316 0 : }
317 :
318 0 : ulong msg_sz = sizeof(fd_genesis_meta_t) + blob_sz;
319 0 : if( FD_UNLIKELY( msg_sz>fd_genesi_tile_mtu( ctx->max_message_size ) ) ) {
320 0 : FD_LOG_ERR(( "The genesis blob downloaded from peer at `http://" FD_IP4_ADDR_FMT ":%hu` is too large for this Firedancer configuration (msg_sz=%lu max=%lu).\n"
321 0 : "Cannot start Firedancer. Please use a different genesis config or increase `development.genesis.max_file_size_mib`.",
322 0 : FD_IP4_ADDR_FMT_ARGS( peer.addr ), fd_ushort_bswap( peer.port ), msg_sz, fd_genesi_tile_mtu( ctx->max_message_size ) ));
323 0 : }
324 :
325 0 : fd_genesis_meta_t * dst = fd_chunk_to_laddr( ctx->out.mem, ctx->out.chunk0 );
326 0 : memset( dst, 0, sizeof(fd_genesis_meta_t) );
327 0 : dst->creation_time_seconds = genesis->creation_time;
328 0 : dst->genesis_hash = *hash;
329 :
330 0 : uchar * dst_blob = (uchar *)( dst+1 );
331 0 : dst->blob_sz = blob_sz;
332 0 : fd_memcpy( dst_blob, blob, blob_sz );
333 :
334 0 : fd_stem_publish( stem, 0UL, msg_sz, ctx->out.chunk0, 0UL, 0UL, 0UL, 0UL );
335 :
336 0 : ulong bytes_written = 0UL;
337 0 : while( bytes_written<blob_sz ) {
338 0 : long result = write( ctx->out_fd, blob+bytes_written, blob_sz-bytes_written );
339 0 : if( FD_UNLIKELY( -1==result ) ) FD_LOG_ERR(( "write() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
340 0 : bytes_written += (ulong)result;
341 0 : }
342 :
343 0 : char basename[ PATH_MAX ];
344 0 : const char * last_slash = strrchr( ctx->genesis_path, '/' );
345 0 : if( FD_LIKELY( last_slash ) ) FD_TEST( fd_cstr_printf_check( basename, PATH_MAX, NULL, "%s", last_slash+1UL ) );
346 0 : else FD_TEST( fd_cstr_printf_check( basename, PATH_MAX, NULL, "%s", ctx->genesis_path ) );
347 :
348 0 : char basename_partial[ PATH_MAX ];
349 0 : FD_TEST( fd_cstr_printf_check( basename_partial, PATH_MAX, NULL, "%s.partial", basename ) );
350 :
351 0 : int err = renameat2( ctx->out_dir_fd, basename_partial, ctx->out_dir_fd, basename, RENAME_NOREPLACE );
352 0 : if( FD_UNLIKELY( -1==err ) ) FD_LOG_ERR(( "renameat2() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
353 :
354 0 : FD_LOG_NOTICE(( "retrieved genesis %s%s%s from peer at %shttp://" FD_IP4_ADDR_FMT ":%hu/genesis.tar.bz2%s",
355 0 : fd_log_style_dim(), ctx->genesis_path, fd_log_style_normal(),
356 0 : fd_log_style_dim(), FD_IP4_ADDR_FMT_ARGS( peer.addr ), peer.port, fd_log_style_normal() ));
357 :
358 0 : ctx->shutdown = 1;
359 0 : }
360 0 : }
361 :
362 : static void
363 : process_local_genesis( fd_genesi_tile_t * ctx,
364 0 : char const * genesis_path ) {
365 0 : ctx->genesis_blob_sz = 0UL;
366 0 : for(;;) {
367 0 : if( FD_UNLIKELY( ctx->genesis_blob_sz==ctx->max_message_size ) ) {
368 0 : uchar extra;
369 0 : long result = read( ctx->in_fd, &extra, 1UL );
370 0 : if( FD_UNLIKELY( -1==result ) ) FD_LOG_ERR(( "read() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
371 0 : if( FD_UNLIKELY( result ) ) {
372 0 : FD_LOG_ERR(( "The genesis file at `%s` exceeds `development.genesis.max_file_size_mib` (%lu MiB).",
373 0 : genesis_path, ctx->max_message_size>>20 ));
374 0 : }
375 0 : break;
376 0 : }
377 0 : long result = read( ctx->in_fd, ctx->genesis_blob+ctx->genesis_blob_sz, ctx->max_message_size-ctx->genesis_blob_sz );
378 0 : if( FD_UNLIKELY( -1==result ) ) FD_LOG_ERR(( "read() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
379 0 : if( FD_UNLIKELY( !result ) ) break;
380 0 : ctx->genesis_blob_sz += (ulong)result;
381 0 : }
382 :
383 0 : if( FD_UNLIKELY( -1==close( ctx->in_fd ) ) ) FD_LOG_ERR(( "close() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
384 :
385 0 : fd_genesis_t * genesis = fd_genesis_parse( ctx->genesis, ctx->genesis_blob, ctx->genesis_blob_sz );
386 0 : if( FD_UNLIKELY( !genesis ) ) {
387 0 : FD_LOG_ERR(( "unable to decode solana genesis from local file due to violated hardcoded limits" ));
388 0 : }
389 :
390 0 : fd_sha256_hash( ctx->genesis_blob, ctx->genesis_blob_sz, ctx->genesis_hash );
391 0 : if( FD_LIKELY( ctx->validate_genesis_hash ) ) {
392 0 : verify_cluster_type( genesis, ctx->genesis_hash, genesis_path );
393 0 : }
394 :
395 0 : if( FD_UNLIKELY( ctx->bootstrap && ctx->expected_shred_version ) ) {
396 0 : ushort xor = 0;
397 0 : for( ulong i=0UL; i<16UL; i++ ) xor ^= ctx->genesis_hash->us[ i ];
398 :
399 0 : xor = fd_ushort_bswap( xor );
400 0 : xor = fd_ushort_if( xor<USHORT_MAX, (ushort)(xor + 1), USHORT_MAX );
401 :
402 0 : FD_TEST( xor );
403 :
404 0 : if( FD_UNLIKELY( xor!=ctx->expected_shred_version ) ) {
405 0 : FD_LOG_ERR(( "This node is bootstrapping the cluster as it has no gossip entrypoints provided, but "
406 0 : "a [consensus.expected_shred_version] of %hu is provided which does not match the shred "
407 0 : "version of %hu computed from the genesis.bin file at `%s`",
408 0 : ctx->expected_shred_version, xor, genesis_path ));
409 0 : }
410 0 : }
411 :
412 0 : if( FD_LIKELY( ctx->has_expected_genesis_hash && memcmp( ctx->genesis_hash, ctx->expected_genesis_hash, 32UL ) ) ) {
413 0 : FD_BASE58_ENCODE_32_BYTES( ctx->expected_genesis_hash, expected_genesis_hash_b58 );
414 0 : FD_BASE58_ENCODE_32_BYTES( ctx->genesis_hash->uc, genesis_hash_b58 );
415 0 : FD_LOG_ERR(( "An expected genesis hash of %s%s%s has been set in your configuration file at [consensus.expected_genesis_hash] "
416 0 : "but the genesis hash derived from the genesis file at %s%s%s has unexpected hash %s%s%s",
417 0 : fd_log_style_bold(), expected_genesis_hash_b58, fd_log_style_normal(),
418 0 : fd_log_style_dim(), genesis_path, fd_log_style_normal(),
419 0 : fd_log_style_bold(), genesis_hash_b58, fd_log_style_normal() ));
420 0 : }
421 0 : }
422 :
423 : static void
424 : privileged_init( fd_topo_t const * topo,
425 0 : fd_topo_tile_t const * tile ) {
426 0 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
427 :
428 0 : FD_SCRATCH_ALLOC_INIT( l, scratch );
429 0 : fd_genesi_tile_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof( fd_genesi_tile_t ), sizeof( fd_genesi_tile_t ) );
430 0 : fd_genesis_client_t * _client = FD_SCRATCH_ALLOC_APPEND( l, fd_genesis_client_align(), fd_genesis_client_footprint() );
431 :
432 0 : fd_memset( ctx, 0, sizeof( fd_genesi_tile_t ) );
433 :
434 0 : ctx->local_genesis = 1;
435 0 : ctx->in_fd = open( tile->genesi.genesis_path, O_RDONLY|O_CLOEXEC );
436 0 : if( FD_UNLIKELY( -1==ctx->in_fd ) ) {
437 0 : if( FD_LIKELY( errno==ENOENT ) ) {
438 0 : FD_LOG_INFO(( "no local genesis.bin file found at `%s`", tile->genesi.genesis_path ));
439 :
440 0 : if( FD_UNLIKELY( !tile->genesi.entrypoints_cnt ) ) {
441 0 : FD_LOG_ERR(( "This node is bootstrapping the cluster as it has no gossip entrypoints provided, but "
442 0 : "the genesis.bin file at `%s` does not exist. Please provide a valid genesis.bin "
443 0 : "file by running genesis, or join an existing cluster.",
444 0 : tile->genesi.genesis_path ));
445 0 : } else {
446 0 : if( FD_UNLIKELY( !tile->genesi.allow_download ) ) {
447 0 : FD_LOG_ERR(( "There is no genesis.bin file at `%s` and automatic downloading is disabled as "
448 0 : "genesis_download is false in your configuration file. Please either provide a valid "
449 0 : "genesis.bin file locally, or allow downloading from a gossip entrypoint.",
450 0 : tile->genesi.genesis_path ));
451 0 : } else {
452 0 : char basename[ PATH_MAX ];
453 0 : fd_cstr_ncpy( basename, tile->genesi.genesis_path, PATH_MAX );
454 0 : char * last_slash = strrchr( basename, '/' );
455 0 : if( FD_LIKELY( last_slash ) ) *last_slash = '\0';
456 :
457 0 : ctx->out_dir_fd = open( basename, O_RDONLY|O_CLOEXEC|O_DIRECTORY );
458 0 : if( FD_UNLIKELY( -1==ctx->out_dir_fd ) ) FD_LOG_ERR(( "open() failed for genesis dir `%s` (%i-%s)", basename, errno, fd_io_strerror( errno ) ));
459 :
460 : /* Switch to non-root uid/gid for file creation. Permissions checks
461 : are still done as root. */
462 0 : gid_t gid = getgid();
463 0 : uid_t uid = getuid();
464 0 : if( FD_LIKELY( !gid && -1==syscall( __NR_setresgid, -1, tile->genesi.target_gid, -1 ) ) ) FD_LOG_ERR(( "setresgid() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
465 0 : if( FD_LIKELY( !uid && -1==syscall( __NR_setresuid, -1, tile->genesi.target_uid, -1 ) ) ) FD_LOG_ERR(( "setresuid() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
466 :
467 0 : char const * genesis_basename = strrchr( tile->genesi.genesis_path, '/' );
468 0 : genesis_basename = genesis_basename ? genesis_basename+1UL : tile->genesi.genesis_path;
469 :
470 0 : char partialname[ PATH_MAX ];
471 0 : FD_TEST( fd_cstr_printf_check( partialname, PATH_MAX, NULL, "%s.partial", genesis_basename ) );
472 0 : ctx->out_fd = openat( ctx->out_dir_fd, partialname, O_CREAT|O_WRONLY|O_CLOEXEC|O_TRUNC, S_IRUSR|S_IWUSR );
473 0 : if( FD_UNLIKELY( -1==ctx->out_fd ) ) FD_LOG_ERR(( "openat() failed for genesis file `%s.partial` (%i-%s)", tile->genesi.genesis_path, errno, fd_io_strerror( errno ) ));
474 :
475 0 : if( FD_UNLIKELY( -1==syscall( __NR_setresuid, -1, uid, -1 ) ) ) FD_LOG_ERR(( "setresuid() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
476 0 : if( FD_UNLIKELY( -1==syscall( __NR_setresgid, -1, gid, -1 ) ) ) FD_LOG_ERR(( "setresgid() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
477 :
478 0 : ctx->local_genesis = 0;
479 0 : ctx->client = fd_genesis_client_join( fd_genesis_client_new( _client ) );
480 0 : FD_TEST( ctx->client );
481 :
482 0 : fd_dns_resolve_peers( tile->genesi.entrypoints[ 0 ], sizeof(tile->genesi.entrypoints[ 0 ]), tile->genesi.entrypoints_cnt, "gossip.entrypoints", ctx->entrypoints );
483 0 : ctx->entrypoints_cnt = tile->genesi.entrypoints_cnt;
484 :
485 0 : fd_genesis_client_init( ctx->client, ctx->entrypoints, ctx->entrypoints_cnt );
486 0 : }
487 0 : }
488 0 : } else {
489 0 : FD_LOG_ERR(( "could not open genesis.bin file at `%s` (%i-%s)", tile->genesi.genesis_path, errno, fd_io_strerror( errno ) ));
490 0 : }
491 0 : }
492 0 : }
493 :
494 : static void
495 : unprivileged_init( fd_topo_t const * topo,
496 0 : fd_topo_tile_t const * tile ) {
497 0 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
498 :
499 0 : FD_SCRATCH_ALLOC_INIT( l, scratch );
500 0 : fd_genesi_tile_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof( fd_genesi_tile_t ), sizeof( fd_genesi_tile_t ) );
501 0 : FD_SCRATCH_ALLOC_APPEND( l, fd_genesis_client_align(), fd_genesis_client_footprint() );
502 0 : void * _alloc = FD_SCRATCH_ALLOC_APPEND( l, fd_alloc_align(), fd_alloc_footprint() );
503 0 : void * _accdb = !tile->genesi.entrypoints_cnt ?
504 0 : FD_SCRATCH_ALLOC_APPEND( l, fd_accdb_align(), fd_accdb_footprint( tile->genesi.max_live_slots ) ) :
505 0 : NULL;
506 0 : void * _genesis_blob = FD_SCRATCH_ALLOC_APPEND( l, alignof(uchar), tile->genesi.max_message_size + 4UL*FD_TAR_BLOCK_SZ );
507 :
508 0 : fd_lthash_zero( ctx->lthash );
509 :
510 0 : ctx->genesis_blob = _genesis_blob;
511 0 : ctx->max_message_size = tile->genesi.max_message_size;
512 0 : ctx->shutdown = 0;
513 0 : ctx->bootstrap = !tile->genesi.entrypoints_cnt;
514 0 : ctx->expected_shred_version = tile->genesi.expected_shred_version;
515 0 : ctx->has_expected_genesis_hash = tile->genesi.has_expected_genesis_hash;
516 0 : ctx->validate_genesis_hash = tile->genesi.validate_genesis_hash;
517 0 : fd_memcpy( ctx->expected_genesis_hash, tile->genesi.expected_genesis_hash, 32UL );
518 :
519 0 : ctx->accdb = NULL;
520 0 : if( FD_UNLIKELY( ctx->bootstrap ) ) {
521 0 : void * _accdb_shmem = fd_topo_obj_laddr( topo, tile->genesi.accdb_obj_id );
522 0 : fd_accdb_shmem_t * accdb_shmem = fd_accdb_shmem_join( _accdb_shmem );
523 0 : FD_TEST( accdb_shmem );
524 0 : ctx->accdb = fd_accdb_join( fd_accdb_new( _accdb, accdb_shmem, FD_ACCDB_FD_RW, 0UL, NULL ) );
525 0 : FD_TEST( ctx->accdb );
526 0 : }
527 :
528 0 : if( FD_LIKELY( -1!=ctx->in_fd ) ) {
529 0 : process_local_genesis( ctx, tile->genesi.genesis_path );
530 0 : if( FD_UNLIKELY( ctx->bootstrap ) ) {
531 0 : initialize_accdb( ctx->accdb, ctx->genesis, ctx->genesis_blob, ctx->lthash );
532 0 : fd_accdb_flush_metrics( ctx->accdb );
533 0 : }
534 0 : }
535 :
536 0 : FD_TEST( fd_cstr_printf_check( ctx->genesis_path, PATH_MAX, NULL, "%s", tile->genesi.genesis_path ) );
537 :
538 0 : FD_TEST( tile->out_cnt==1UL );
539 0 : fd_topo_link_t const * out_link = &topo->links[ tile->out_link_id[ 0 ] ];
540 0 : FD_TEST( out_link->depth==1UL ); /* buffer holds a single message (dcache not a ring buffer) */
541 0 : FD_TEST( out_link->mtu>=fd_genesi_tile_mtu( tile->genesi.max_message_size ) );
542 0 : ctx->out.mem = fd_wksp_containing( out_link->dcache );
543 0 : ctx->out.chunk0 = fd_dcache_compact_chunk0( ctx->out.mem, out_link->dcache );
544 :
545 0 : ctx->bz2_alloc = fd_alloc_join( fd_alloc_new( _alloc, 1UL ), 1UL );
546 0 : FD_TEST( ctx->bz2_alloc );
547 :
548 0 : ulong scratch_top = FD_SCRATCH_ALLOC_FINI( l, scratch_align() );
549 0 : if( FD_UNLIKELY( scratch_top > (ulong)scratch + scratch_footprint( tile ) ) )
550 0 : FD_LOG_ERR(( "scratch overflow %lu %lu %lu", scratch_top - (ulong)scratch - scratch_footprint( tile ), scratch_top, (ulong)scratch + scratch_footprint( tile ) ));
551 0 : }
552 :
553 : static ulong
554 : rlimit_file_cnt( fd_topo_t const * topo FD_PARAM_UNUSED,
555 0 : fd_topo_tile_t const * tile ) {
556 0 : return 1UL + /* stderr */
557 0 : 1UL + /* logfile */
558 0 : 1UL + /* genesis file */
559 0 : 1UL + /* genesis dir */
560 0 : tile->genesi.entrypoints_cnt; /* for the client */
561 0 : }
562 :
563 : static ulong
564 : populate_allowed_seccomp( fd_topo_t const * topo,
565 : fd_topo_tile_t const * tile,
566 : ulong out_cnt,
567 0 : struct sock_filter * out ) {
568 :
569 0 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
570 :
571 0 : FD_SCRATCH_ALLOC_INIT( l, scratch );
572 0 : fd_genesi_tile_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof( fd_genesi_tile_t ), sizeof( fd_genesi_tile_t ) );
573 :
574 0 : uint in_fd, out_fd, out_dir_fd;
575 0 : if( FD_LIKELY( -1!=ctx->in_fd ) ) {
576 0 : in_fd = (uint)ctx->in_fd;
577 0 : out_fd = (uint)-1;
578 0 : out_dir_fd = (uint)-1;
579 0 : } else {
580 0 : in_fd = (uint)-1;
581 0 : out_fd = (uint)ctx->out_fd;
582 0 : out_dir_fd = (uint)ctx->out_dir_fd;
583 0 : }
584 :
585 0 : uint accounts_fd = !tile->genesi.entrypoints_cnt ? (uint)FD_ACCDB_FD_RW : (uint)-1;
586 0 : populate_sock_filter_policy_fd_genesi_tile( out_cnt, out, (uint)fd_log_private_logfile_fd(), in_fd, out_fd, out_dir_fd, accounts_fd );
587 0 : return sock_filter_policy_fd_genesi_tile_instr_cnt;
588 0 : }
589 :
590 : static ulong
591 : populate_allowed_fds( fd_topo_t const * topo,
592 : fd_topo_tile_t const * tile,
593 : ulong out_fds_cnt,
594 0 : int * out_fds ) {
595 0 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
596 :
597 0 : FD_SCRATCH_ALLOC_INIT( l, scratch );
598 0 : fd_genesi_tile_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof( fd_genesi_tile_t ), sizeof( fd_genesi_tile_t ) );
599 :
600 0 : if( FD_UNLIKELY( out_fds_cnt<tile->genesi.entrypoints_cnt+6UL ) ) FD_LOG_ERR(( "out_fds_cnt %lu", out_fds_cnt ));
601 :
602 0 : ulong out_cnt = 0UL;
603 0 : out_fds[ out_cnt++ ] = 2; /* stderr */
604 0 : if( FD_LIKELY( -1!=fd_log_private_logfile_fd() ) )
605 0 : out_fds[ out_cnt++ ] = fd_log_private_logfile_fd(); /* logfile */
606 0 : if( FD_UNLIKELY( !tile->genesi.entrypoints_cnt ) )
607 0 : out_fds[ out_cnt++ ] = FD_ACCDB_FD_RW; /* accounts db */
608 :
609 0 : if( FD_UNLIKELY( -1==ctx->in_fd ) ) {
610 0 : FD_TEST( -1!=ctx->out_dir_fd );
611 0 : FD_TEST( -1!=ctx->out_fd );
612 0 : out_fds[ out_cnt++ ] = ctx->out_dir_fd;
613 0 : out_fds[ out_cnt++ ] = ctx->out_fd;
614 :
615 0 : for( ulong i=0UL; i<tile->genesi.entrypoints_cnt; i++ ) {
616 0 : int fd = fd_genesis_client_get_pollfds( ctx->client )[ i ].fd;
617 0 : if( FD_LIKELY( -1!=fd ) ) out_fds[ out_cnt++ ] = fd;
618 0 : }
619 0 : } else {
620 0 : FD_TEST( -1!=ctx->in_fd );
621 0 : out_fds[ out_cnt++ ] = ctx->in_fd;
622 0 : }
623 :
624 0 : return out_cnt;
625 0 : }
626 :
627 0 : #define STEM_BURST (1UL)
628 :
629 0 : #define STEM_CALLBACK_CONTEXT_TYPE fd_genesi_tile_t
630 0 : #define STEM_CALLBACK_CONTEXT_ALIGN alignof(fd_genesi_tile_t)
631 :
632 0 : #define STEM_CALLBACK_AFTER_CREDIT after_credit
633 : #define STEM_CALLBACK_SHOULD_SHUTDOWN should_shutdown
634 0 : #define STEM_LAZY ((long)1e5) /* 0.1ms */
635 :
636 : #include "../../disco/stem/fd_stem.c"
637 :
638 : static ulong
639 0 : max_event_sz( fd_topo_tile_t const * tile FD_PARAM_UNUSED ) {
640 0 : return sizeof(fd_event_accdb_partition_added_t);
641 0 : }
642 :
643 : fd_topo_run_tile_t fd_tile_genesi = {
644 : .name = "genesi",
645 : .rlimit_file_cnt_fn = rlimit_file_cnt,
646 : .allow_connect = 1,
647 : .allow_renameat = 1,
648 : .populate_allowed_seccomp = populate_allowed_seccomp,
649 : .populate_allowed_fds = populate_allowed_fds,
650 : .loose_footprint = loose_footprint,
651 : .scratch_align = scratch_align,
652 : .scratch_footprint = scratch_footprint,
653 : .privileged_init = privileged_init,
654 : .unprivileged_init = unprivileged_init,
655 : .max_event_sz = max_event_sz,
656 : .run = stem_run,
657 : };
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