Line data Source code
1 : #include "fd_verify_tile.h"
2 : #include "../fd_txn_m.h"
3 : #include "../metrics/fd_metrics.h"
4 : #include "generated/fd_verify_tile_seccomp.h"
5 : #include "../../flamenco/gossip/fd_gossip_message.h"
6 :
7 3 : #define IN_KIND_QUIC (0UL)
8 87 : #define IN_KIND_BUNDLE (1UL)
9 3 : #define IN_KIND_GOSSIP (2UL)
10 3 : #define IN_KIND_TXSEND (3UL)
11 :
12 : FD_FN_CONST static inline ulong
13 21 : scratch_align( void ) {
14 21 : return FD_TCACHE_ALIGN;
15 21 : }
16 :
17 : FD_FN_PURE static inline ulong
18 6 : scratch_footprint( fd_topo_tile_t const * tile ) {
19 6 : ulong l = FD_LAYOUT_INIT;
20 6 : l = FD_LAYOUT_APPEND( l, alignof( fd_verify_ctx_t ), sizeof( fd_verify_ctx_t ) );
21 6 : l = FD_LAYOUT_APPEND( l, fd_tcache_align(), fd_tcache_footprint( tile->verify.tcache_depth, 0UL ) );
22 78 : for( ulong i=0; i<FD_TXN_SIG_MAX; i++ ) {
23 72 : l = FD_LAYOUT_APPEND( l, fd_sha512_align(), fd_sha512_footprint() );
24 72 : }
25 6 : return FD_LAYOUT_FINI( l, scratch_align() );
26 6 : }
27 :
28 : static inline void
29 0 : metrics_write( fd_verify_ctx_t * ctx ) {
30 0 : FD_MCNT_ENUM_COPY( VERIFY, TXN_RESULT, ctx->metrics.verify_tile_result );
31 0 : FD_MCNT_SET( VERIFY, VOTE_GOSSIP_RX, ctx->metrics.gossiped_votes_cnt );
32 0 : }
33 :
34 : static int
35 : before_frag( fd_verify_ctx_t * ctx,
36 : ulong in_idx,
37 : ulong seq,
38 42 : ulong sig ) {
39 : /* Bundle tile can produce both "bundles" and "packets", a packet is a
40 : regular transaction and should be round-robined between verify
41 : tiles, while bundles need to go through verify:0 currently to
42 : prevent interleaving of bundle streams. */
43 42 : int is_bundle_packet = (ctx->in_kind[ in_idx ]==IN_KIND_BUNDLE && !sig);
44 :
45 42 : if( FD_LIKELY( is_bundle_packet || ctx->in_kind[ in_idx ]==IN_KIND_QUIC ) ) {
46 30 : return (seq % ctx->round_robin_cnt) != ctx->round_robin_idx;
47 30 : } else if( FD_LIKELY( ctx->in_kind[ in_idx ]==IN_KIND_BUNDLE ) ) {
48 12 : return ctx->round_robin_idx!=0UL;
49 12 : } else if( FD_LIKELY( ctx->in_kind[ in_idx ]==IN_KIND_GOSSIP ) ) {
50 0 : return (seq % ctx->round_robin_cnt) != ctx->round_robin_idx ||
51 0 : sig!=FD_GOSSIP_UPDATE_TAG_VOTE;
52 0 : }
53 :
54 0 : return 0;
55 42 : }
56 :
57 : /* during_frag is called between pairs for sequence number checks, as
58 : we are reading incoming frags. We don't actually need to copy the
59 : fragment here, see fd_dedup.c for why we do this.*/
60 :
61 : static inline void
62 : during_frag( fd_verify_ctx_t * ctx,
63 : ulong in_idx,
64 : ulong seq FD_PARAM_UNUSED,
65 : ulong sig FD_PARAM_UNUSED,
66 : ulong chunk,
67 : ulong sz,
68 0 : ulong ctl FD_PARAM_UNUSED ) {
69 :
70 0 : ulong in_kind = ctx->in_kind[ in_idx ];
71 0 : if( FD_UNLIKELY( in_kind==IN_KIND_BUNDLE || in_kind==IN_KIND_QUIC || in_kind==IN_KIND_TXSEND ) ) {
72 0 : if( FD_UNLIKELY( chunk<ctx->in[in_idx].chunk0 || chunk>ctx->in[in_idx].wmark || sz>FD_TPU_RAW_MTU ) )
73 0 : FD_LOG_ERR(( "chunk %lu %lu corrupt, not in range [%lu,%lu,%lu]", chunk, sz, ctx->in[in_idx].chunk0, ctx->in[in_idx].wmark, FD_TPU_RAW_MTU ));
74 :
75 0 : uchar * src = fd_chunk_to_laddr( ctx->in[in_idx].mem, chunk );
76 0 : uchar * dst = fd_chunk_to_laddr( ctx->out_mem, ctx->out_chunk );
77 0 : fd_memcpy( dst, src, sz );
78 0 : } else if( FD_UNLIKELY( ctx->in_kind[ in_idx ]==IN_KIND_GOSSIP ) ) {
79 0 : if( FD_UNLIKELY( chunk<ctx->in[in_idx].chunk0 || chunk>ctx->in[in_idx].wmark || sz>2048UL ) )
80 0 : FD_LOG_ERR(( "chunk %lu %lu corrupt, not in range [%lu,%lu]", chunk, sz, ctx->in[in_idx].chunk0, ctx->in[in_idx].wmark ));
81 :
82 0 : fd_gossip_update_message_t const * msg = fd_chunk_to_laddr_const( ctx->in[in_idx].mem, chunk );
83 0 : fd_txn_m_t * dst = fd_chunk_to_laddr( ctx->out_mem, ctx->out_chunk );
84 :
85 0 : dst->payload_sz = (ushort)msg->vote->value->transaction_len;
86 0 : dst->block_engine.bundle_id = 0UL;
87 0 : dst->first_seen_nanos = msg->vote->first_seen_nanos;
88 0 : dst->source_ipv4 = msg->vote->socket->is_ipv6 ? 0U : msg->vote->socket->ip4;
89 0 : dst->source_tpu = FD_TXN_M_TPU_SOURCE_GOSSIP;
90 0 : fd_memcpy( fd_txn_m_payload( dst ), msg->vote->value->transaction, msg->vote->value->transaction_len );
91 0 : }
92 0 : }
93 :
94 : static inline void
95 : after_frag( fd_verify_ctx_t * ctx,
96 : ulong in_idx,
97 : ulong seq,
98 : ulong sig,
99 : ulong sz,
100 : ulong tsorig,
101 : ulong _tspub,
102 0 : fd_stem_context_t * stem ) {
103 0 : (void)in_idx;
104 0 : (void)seq;
105 0 : (void)sig;
106 0 : (void)sz;
107 0 : (void)_tspub;
108 :
109 0 : if( FD_UNLIKELY( ctx->in_kind[ in_idx ]==IN_KIND_GOSSIP || ctx->in_kind[ in_idx ]==IN_KIND_TXSEND ) ) ctx->metrics.gossiped_votes_cnt++;
110 :
111 0 : fd_txn_m_t * txnm = (fd_txn_m_t *)fd_chunk_to_laddr( ctx->out_mem, ctx->out_chunk );
112 0 : if( FD_UNLIKELY( txnm->payload_sz>FD_TPU_MTU ) ) {
113 0 : FD_LOG_ERR(( "verify: txn payload size %hu exceeds max %lu", txnm->payload_sz, FD_TPU_MTU ));
114 0 : }
115 0 : fd_txn_t * txnt = fd_txn_m_txn_t( txnm );
116 0 : txnm->txn_t_sz = (ushort)fd_txn_parse( fd_txn_m_payload( txnm ), txnm->payload_sz, txnt, NULL );
117 :
118 0 : int is_bundle = !!txnm->block_engine.bundle_id;
119 :
120 0 : if( FD_UNLIKELY( is_bundle & (txnm->block_engine.bundle_id!=ctx->bundle_id) ) ) {
121 0 : ctx->bundle_failed = 0;
122 0 : ctx->bundle_id = txnm->block_engine.bundle_id;
123 0 : }
124 :
125 0 : if( FD_UNLIKELY( is_bundle & (!!ctx->bundle_failed) ) ) {
126 0 : ctx->metrics.verify_tile_result[ FD_METRICS_ENUM_VERIFY_TILE_RESULT_V_BUNDLE_PEER_FAILURE_IDX ]++;
127 0 : return;
128 0 : }
129 :
130 0 : if( FD_UNLIKELY( !txnm->txn_t_sz ) ) {
131 0 : if( FD_UNLIKELY( is_bundle ) ) ctx->bundle_failed = 1;
132 0 : ctx->metrics.verify_tile_result[ FD_METRICS_ENUM_VERIFY_TILE_RESULT_V_PARSE_FAILURE_IDX ]++;
133 0 : return;
134 0 : }
135 :
136 : /* Users sometimes send transactions as part of a bundle (with a tip)
137 : and via the normal path (without a tip). Regardless of which
138 : arrives first, we want to pack the one with the tip. Thus, we
139 : exempt bundles from the normal HA dedup checks. The dedup tile
140 : will still do a full-bundle dedup check to make sure to drop any
141 : identical bundles. */
142 0 : ulong _txn_sig;
143 0 : int res = fd_txn_verify( ctx, fd_txn_m_payload( txnm ), txnm->payload_sz, txnt, !is_bundle, &_txn_sig );
144 0 : if( FD_UNLIKELY( res!=FD_TXN_VERIFY_SUCCESS ) ) {
145 0 : if( FD_UNLIKELY( is_bundle ) ) ctx->bundle_failed = 1;
146 :
147 0 : if( FD_LIKELY( res==FD_TXN_VERIFY_DEDUP ) ) ctx->metrics.verify_tile_result[ FD_METRICS_ENUM_VERIFY_TILE_RESULT_V_DEDUP_FAILURE_IDX ]++;
148 0 : else ctx->metrics.verify_tile_result[ FD_METRICS_ENUM_VERIFY_TILE_RESULT_V_VERIFY_FAILURE_IDX ]++;
149 :
150 0 : return;
151 0 : }
152 :
153 0 : ulong realized_sz = fd_txn_m_realized_footprint( txnm, 1, 0 );
154 0 : ulong tspub = (ulong)fd_frag_meta_ts_comp( fd_tickcount() );
155 0 : fd_stem_publish( stem, 0UL, 0UL, ctx->out_chunk, realized_sz, 0UL, tsorig, tspub );
156 0 : ctx->out_chunk = fd_dcache_compact_next( ctx->out_chunk, realized_sz, ctx->out_chunk0, ctx->out_wmark );
157 :
158 0 : ctx->metrics.verify_tile_result[ FD_METRICS_ENUM_VERIFY_TILE_RESULT_V_SUCCESS_IDX ]++;
159 0 : }
160 :
161 : static void
162 : privileged_init( fd_topo_t const * topo,
163 3 : fd_topo_tile_t const * tile ) {
164 3 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
165 :
166 3 : FD_SCRATCH_ALLOC_INIT( l, scratch );
167 3 : fd_verify_ctx_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof( fd_verify_ctx_t ), sizeof( fd_verify_ctx_t ) );
168 3 : FD_TEST( fd_rng_secure( &ctx->hashmap_seed, 8U ) );
169 3 : }
170 :
171 : static void
172 : unprivileged_init( fd_topo_t const * topo,
173 3 : fd_topo_tile_t const * tile ) {
174 3 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
175 :
176 3 : FD_SCRATCH_ALLOC_INIT( l, scratch );
177 3 : fd_verify_ctx_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof( fd_verify_ctx_t ), sizeof( fd_verify_ctx_t ) );
178 3 : fd_tcache_t * tcache = fd_tcache_join( fd_tcache_new( FD_SCRATCH_ALLOC_APPEND( l, FD_TCACHE_ALIGN, FD_TCACHE_FOOTPRINT( tile->verify.tcache_depth, 0UL ) ), tile->verify.tcache_depth, 0UL ) );
179 3 : if( FD_UNLIKELY( !tcache ) ) FD_LOG_ERR(( "fd_tcache_join failed" ));
180 :
181 3 : ctx->round_robin_cnt = fd_topo_tile_name_cnt( topo, tile->name );
182 3 : ctx->round_robin_idx = tile->kind_id;
183 :
184 39 : for ( ulong i=0; i<FD_TXN_SIG_MAX; i++ ) {
185 36 : fd_sha512_t * sha = fd_sha512_join( fd_sha512_new( FD_SCRATCH_ALLOC_APPEND( l, alignof( fd_sha512_t ), sizeof( fd_sha512_t ) ) ) );
186 36 : if( FD_UNLIKELY( !sha ) ) FD_LOG_ERR(( "fd_sha512_join failed" ));
187 36 : ctx->sha[i] = sha;
188 36 : }
189 :
190 3 : ctx->bundle_failed = 0;
191 3 : ctx->bundle_id = 0UL;
192 :
193 3 : memset( &ctx->metrics, 0, sizeof( ctx->metrics ) );
194 :
195 3 : ctx->tcache_depth = fd_tcache_depth ( tcache );
196 3 : ctx->tcache_map_cnt = fd_tcache_map_cnt ( tcache );
197 3 : ctx->tcache_sync = fd_tcache_oldest_laddr( tcache );
198 3 : ctx->tcache_ring = fd_tcache_ring_laddr ( tcache );
199 3 : ctx->tcache_map = fd_tcache_map_laddr ( tcache );
200 :
201 15 : for( ulong i=0UL; i<tile->in_cnt; i++ ) {
202 12 : fd_topo_link_t const * link = &topo->links[ tile->in_link_id[ i ] ];
203 :
204 12 : fd_topo_wksp_t const * link_wksp = &topo->workspaces[ topo->objs[ link->dcache_obj_id ].wksp_id ];
205 12 : ctx->in[i].mem = link_wksp->wksp;
206 12 : ctx->in[i].chunk0 = fd_dcache_compact_chunk0( ctx->in[i].mem, link->dcache );
207 12 : ctx->in[i].wmark = fd_dcache_compact_wmark ( ctx->in[i].mem, link->dcache, link->mtu );
208 :
209 12 : if( !strcmp( link->name, "quic_verify" ) ) ctx->in_kind[ i ] = IN_KIND_QUIC;
210 9 : else if( !strcmp( link->name, "bundle_verif" ) ) ctx->in_kind[ i ] = IN_KIND_BUNDLE;
211 6 : else if( !strcmp( link->name, "txsend_out" ) ) ctx->in_kind[ i ] = IN_KIND_TXSEND;
212 3 : else if( !strcmp( link->name, "gossip_out" ) ) ctx->in_kind[ i ] = IN_KIND_GOSSIP;
213 0 : else FD_LOG_ERR(( "unexpected link name %s", link->name ));
214 12 : }
215 :
216 3 : ctx->out_mem = topo->workspaces[ topo->objs[ topo->links[ tile->out_link_id[ 0 ] ].dcache_obj_id ].wksp_id ].wksp;
217 3 : ctx->out_chunk0 = fd_dcache_compact_chunk0( ctx->out_mem, topo->links[ tile->out_link_id[ 0 ] ].dcache );
218 3 : ctx->out_wmark = fd_dcache_compact_wmark ( ctx->out_mem, topo->links[ tile->out_link_id[ 0 ] ].dcache, topo->links[ tile->out_link_id[ 0 ] ].mtu );
219 3 : ctx->out_chunk = ctx->out_chunk0;
220 :
221 3 : ulong scratch_top = FD_SCRATCH_ALLOC_FINI( l, scratch_align() );
222 3 : if( FD_UNLIKELY( scratch_top > (ulong)scratch + scratch_footprint( tile ) ) )
223 0 : FD_LOG_ERR(( "scratch overflow %lu %lu %lu", scratch_top - (ulong)scratch - scratch_footprint( tile ), scratch_top, (ulong)scratch + scratch_footprint( tile ) ));
224 3 : }
225 :
226 : static ulong
227 : populate_allowed_seccomp( fd_topo_t const * topo,
228 : fd_topo_tile_t const * tile,
229 : ulong out_cnt,
230 3 : struct sock_filter * out ) {
231 3 : (void)topo;
232 3 : (void)tile;
233 :
234 3 : populate_sock_filter_policy_fd_verify_tile( out_cnt, out, (uint)fd_log_private_logfile_fd() );
235 3 : return sock_filter_policy_fd_verify_tile_instr_cnt;
236 3 : }
237 :
238 : static ulong
239 : populate_allowed_fds( fd_topo_t const * topo,
240 : fd_topo_tile_t const * tile,
241 : ulong out_fds_cnt,
242 3 : int * out_fds ) {
243 3 : (void)topo;
244 3 : (void)tile;
245 :
246 3 : if( FD_UNLIKELY( out_fds_cnt<2UL ) ) FD_LOG_ERR(( "out_fds_cnt %lu", out_fds_cnt ));
247 :
248 3 : ulong out_cnt = 0UL;
249 3 : out_fds[ out_cnt++ ] = 2; /* stderr */
250 3 : if( FD_LIKELY( -1!=fd_log_private_logfile_fd() ) )
251 3 : out_fds[ out_cnt++ ] = fd_log_private_logfile_fd(); /* logfile */
252 3 : return out_cnt;
253 3 : }
254 :
255 0 : #define STEM_BURST (1UL)
256 :
257 0 : #define STEM_CALLBACK_CONTEXT_TYPE fd_verify_ctx_t
258 0 : #define STEM_CALLBACK_CONTEXT_ALIGN alignof(fd_verify_ctx_t)
259 :
260 0 : #define STEM_CALLBACK_METRICS_WRITE metrics_write
261 0 : #define STEM_CALLBACK_BEFORE_FRAG before_frag
262 0 : #define STEM_CALLBACK_DURING_FRAG during_frag
263 0 : #define STEM_CALLBACK_AFTER_FRAG after_frag
264 :
265 : #include "../stem/fd_stem.c"
266 :
267 : #ifndef FD_TILE_TEST
268 : fd_topo_run_tile_t fd_tile_verify = {
269 : .name = "verify",
270 : .populate_allowed_seccomp = populate_allowed_seccomp,
271 : .populate_allowed_fds = populate_allowed_fds,
272 : .scratch_align = scratch_align,
273 : .scratch_footprint = scratch_footprint,
274 : .privileged_init = privileged_init,
275 : .unprivileged_init = unprivileged_init,
276 : .run = stem_run,
277 : };
278 : #endif
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