Line data Source code
1 : #define _GNU_SOURCE
2 : #include "fd_boot.h"
3 :
4 : #include "../fd_config.h"
5 : #include "../fd_action.h"
6 : #include "../../platform/fd_file_util.h"
7 : #include "../../../disco/topo/fd_topo.h"
8 :
9 : #include <errno.h>
10 : #include <unistd.h>
11 : #include <fcntl.h>
12 : #include <sys/mman.h>
13 :
14 : extern action_t * ACTIONS[];
15 : extern fd_topo_run_tile_t * TILES[];
16 :
17 : fd_topo_run_tile_t
18 0 : fdctl_tile_run( fd_topo_tile_t const * tile ) {
19 0 : for( ulong i=0UL; TILES[ i ]; i++ ) {
20 0 : if( !strcmp( tile->name, TILES[ i ]->name ) ) return *TILES[ i ];
21 0 : }
22 0 : FD_LOG_ERR(( "tile `%s` not found", tile->name ));
23 0 : return (fd_topo_run_tile_t){0};
24 0 : }
25 :
26 : static void
27 : copy_config_from_fd( int config_fd,
28 0 : config_t * config ) {
29 0 : uchar * bytes = mmap( NULL, sizeof( config_t ), PROT_READ, MAP_PRIVATE, config_fd, 0 );
30 0 : if( FD_UNLIKELY( bytes == MAP_FAILED ) ) FD_LOG_ERR(( "mmap() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
31 0 : fd_memcpy( config, bytes, sizeof( config_t ) );
32 0 : if( FD_UNLIKELY( munmap( bytes, sizeof( config_t ) ) ) ) FD_LOG_ERR(( "munmap() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
33 0 : if( FD_UNLIKELY( close( config_fd ) ) ) FD_LOG_ERR(( "close() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
34 0 : }
35 :
36 : static void
37 : determine_override_config( int * pargc,
38 : char *** pargv,
39 : fd_config_file_t * const * configs,
40 : char const ** override_config,
41 : char const ** override_config_path,
42 0 : ulong * override_config_sz ) {
43 0 : int testnet = fd_env_strip_cmdline_contains( pargc, pargv, "--testnet" );
44 0 : if( FD_UNLIKELY( testnet ) ) {
45 0 : for( ulong i=0UL; configs[ i ]; i++ ) {
46 0 : if( FD_UNLIKELY( !strcmp( configs[ i ]->name, "testnet" ) ) ) {
47 0 : *override_config = (char const *)configs[ i ]->data;
48 0 : *override_config_path = configs[ i ]->name;
49 0 : *override_config_sz = configs[ i ]->data_sz;
50 0 : return;
51 0 : }
52 0 : }
53 :
54 0 : if( FD_UNLIKELY( !*override_config ) ) FD_LOG_ERR(( "no testnet config found" ));
55 0 : }
56 :
57 0 : int devnet = fd_env_strip_cmdline_contains( pargc, pargv, "--devnet" );
58 0 : if( FD_UNLIKELY( devnet ) ) {
59 0 : if( FD_UNLIKELY( testnet ) ) FD_LOG_ERR(( "cannot specify both --testnet and --devnet" ));
60 0 : for( ulong i=0UL; configs[ i ]; i++ ) {
61 0 : if( FD_UNLIKELY( !strcmp( configs[ i ]->name, "devnet" ) ) ) {
62 0 : *override_config = (char const *)configs[ i ]->data;
63 0 : *override_config_path = configs[ i ]->name;
64 0 : *override_config_sz = configs[ i ]->data_sz;
65 0 : return;
66 0 : }
67 0 : }
68 :
69 0 : if( FD_UNLIKELY( !*override_config ) ) FD_LOG_ERR(( "no devnet config found" ));
70 0 : }
71 :
72 0 : int mainnet = fd_env_strip_cmdline_contains( pargc, pargv, "--mainnet" );
73 0 : if( FD_UNLIKELY( mainnet ) ) {
74 0 : if( FD_UNLIKELY( testnet || devnet ) ) FD_LOG_ERR(( "cannot specify both --testnet or --devnet and --mainnet" ));
75 0 : for( ulong i=0UL; configs[ i ]; i++ ) {
76 0 : if( FD_UNLIKELY( !strcmp( configs[ i ]->name, "mainnet" ) ) ) {
77 0 : *override_config = (char const *)configs[ i ]->data;
78 0 : *override_config_path = configs[ i ]->name;
79 0 : *override_config_sz = configs[ i ]->data_sz;
80 0 : return;
81 0 : }
82 0 : }
83 :
84 0 : if( FD_UNLIKELY( !*override_config ) ) FD_LOG_ERR(( "no mainnet config found" ));
85 0 : }
86 :
87 0 : int testnet_jito = fd_env_strip_cmdline_contains( pargc, pargv, "--testnet-jito" );
88 0 : if( FD_UNLIKELY( testnet_jito ) ) {
89 0 : for( ulong i=0UL; configs[ i ]; i++ ) {
90 0 : if( FD_UNLIKELY( !strcmp( configs[ i ]->name, "testnet-jito" ) ) ) {
91 0 : *override_config = (char const *)configs[ i ]->data;
92 0 : *override_config_path = configs[ i ]->name;
93 0 : *override_config_sz = configs[ i ]->data_sz;
94 0 : return;
95 0 : }
96 0 : }
97 :
98 0 : if( FD_UNLIKELY( !*override_config ) ) FD_LOG_ERR(( "no testnet-jito config found" ));
99 0 : }
100 :
101 0 : int mainnet_jito = fd_env_strip_cmdline_contains( pargc, pargv, "--mainnet-jito" );
102 0 : if( FD_UNLIKELY( mainnet_jito ) ) {
103 0 : for( ulong i=0UL; configs[ i ]; i++ ) {
104 0 : if( FD_UNLIKELY( !strcmp( configs[ i ]->name, "mainnet-jito" ) ) ) {
105 0 : *override_config = (char const *)configs[ i ]->data;
106 0 : *override_config_path = configs[ i ]->name;
107 0 : *override_config_sz = configs[ i ]->data_sz;
108 0 : return;
109 0 : }
110 0 : }
111 :
112 0 : if( FD_UNLIKELY( !*override_config ) ) FD_LOG_ERR(( "no mainnet-jito config found" ));
113 0 : }
114 0 : }
115 :
116 : int
117 : fd_main_init( int * pargc,
118 : char *** pargv,
119 : config_t * config,
120 : const char * opt_user_config_path,
121 : int is_firedancer,
122 : int is_local_cluster,
123 : char const * log_path,
124 0 : fd_config_file_t * const * configs ) {
125 0 : fd_log_enable_unclean_exit(); /* Don't call atexit handlers on FD_LOG_ERR */
126 0 : fd_log_level_core_set( 5 ); /* Don't dump core for FD_LOG_ERR during boot */
127 0 : fd_log_colorize_set( fd_log_should_colorize() ); /* Colorize during boot until we can determine from config */
128 0 : fd_log_level_stderr_set( 2 ); /* Only NOTICE and above will be logged during boot until fd_log is initialized */
129 :
130 0 : int config_fd = fd_env_strip_cmdline_int( pargc, pargv, "--config-fd", NULL, -1 );
131 :
132 0 : fd_memset( config, 0, sizeof( config_t ) );
133 0 : char * thread = "";
134 0 : if( FD_UNLIKELY( config_fd >= 0 ) ) {
135 0 : copy_config_from_fd( config_fd, config );
136 : /* tick_per_ns needs to be synchronized across processes so that
137 : they can coordinate on metrics measurement. */
138 0 : fd_tempo_set_tick_per_ns( config->tick_per_ns_mu, config->tick_per_ns_sigma );
139 0 : } else {
140 0 : char * user_config = NULL;
141 0 : ulong user_config_sz = 0UL;
142 0 : if( FD_LIKELY( opt_user_config_path ) ) {
143 0 : user_config = fd_file_util_read_all( opt_user_config_path, &user_config_sz );
144 0 : if( FD_UNLIKELY( user_config==MAP_FAILED ) ) FD_LOG_ERR(( "failed to read user config file `%s` (%d-%s)", opt_user_config_path, errno, fd_io_strerror( errno ) ));
145 0 : }
146 :
147 0 : char const * default_config = NULL;
148 0 : ulong default_config_sz = 0UL;
149 0 : for( ulong i=0UL; configs[ i ]; i++ ) {
150 0 : if( FD_UNLIKELY( !strcmp( configs[ i ]->name, "default" ) ) ) {
151 0 : default_config = (char const *)configs[ i ]->data;
152 0 : default_config_sz = configs[ i ]->data_sz;
153 0 : break;
154 0 : }
155 0 : }
156 0 : if( FD_UNLIKELY( !default_config ) ) FD_LOG_ERR(( "no default config found" ));
157 :
158 0 : char const * override_config = NULL;
159 0 : char const * override_config_path = NULL;
160 0 : ulong override_config_sz = 0UL;
161 0 : determine_override_config( pargc, pargv, configs,
162 0 : &override_config, &override_config_path, &override_config_sz );
163 :
164 0 : fd_config_load( is_firedancer, is_local_cluster, default_config, default_config_sz, override_config, override_config_path, override_config_sz, user_config, user_config_sz, opt_user_config_path, config );
165 :
166 0 : if( FD_UNLIKELY( user_config && -1==munmap( user_config, user_config_sz ) ) ) FD_LOG_ERR(( "munmap() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
167 :
168 0 : config->log.log_fd = -1;
169 0 : thread = "main";
170 0 : if( FD_UNLIKELY( log_path ) )
171 0 : strncpy( config->log.path, log_path, sizeof( config->log.path ) - 1 );
172 0 : }
173 :
174 0 : char * shmem_args[ 3 ];
175 : /* pass in --shmem-path value from the config */
176 0 : shmem_args[ 0 ] = "--shmem-path";
177 0 : shmem_args[ 1 ] = config->hugetlbfs.mount_path;
178 0 : shmem_args[ 2 ] = NULL;
179 0 : char ** argv = shmem_args;
180 0 : int argc = 2;
181 :
182 0 : ulong pid = fd_sandbox_getpid(); /* Need to read /proc since we might be in a PID namespace now */;
183 :
184 0 : log_path = config->log.path;
185 0 : if( FD_LIKELY( config->log.path[ 0 ]=='\0' ) ) log_path = NULL;
186 :
187 : /* Switch to the sandbox uid/gid for log file creation, so it's always
188 : owned by that user. */
189 :
190 0 : gid_t gid = getgid();
191 0 : uid_t uid = getuid();
192 0 : if( FD_LIKELY( !gid && setegid( config->gid ) ) ) FD_LOG_ERR(( "setegid() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
193 0 : if( FD_LIKELY( !uid && seteuid( config->uid ) ) ) FD_LOG_ERR(( "seteuid() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
194 :
195 0 : int boot_silent = config_fd>=0;
196 0 : fd_log_private_boot_custom( 0UL,
197 0 : config->name,
198 0 : 0UL, /* Thread ID will be initialized later */
199 0 : thread, /* Thread will be initialized later */
200 0 : 0UL,
201 0 : config->hostname,
202 0 : fd_log_private_cpu_id_default(),
203 0 : NULL,
204 0 : pid,
205 0 : NULL,
206 0 : pid,
207 0 : config->uid,
208 0 : config->user,
209 0 : 1,
210 0 : config->log.colorize1,
211 0 : boot_silent ? 2 : config->log.level_logfile1,
212 0 : boot_silent ? 2 : config->log.level_stderr1,
213 0 : boot_silent ? 3 : config->log.level_flush1,
214 0 : 5,
215 0 : config->log.log_fd,
216 0 : log_path );
217 :
218 0 : if( FD_UNLIKELY( seteuid( uid ) ) ) FD_LOG_ERR(( "seteuid() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
219 0 : if( FD_UNLIKELY( setegid( gid ) ) ) FD_LOG_ERR(( "setegid() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
220 :
221 0 : config->log.log_fd = fd_log_private_logfile_fd();
222 0 : fd_shmem_private_boot( &argc, &argv );
223 0 : fd_tile_private_boot( 0, NULL );
224 :
225 0 : fd_log_level_logfile_set( config->log.level_logfile1 );
226 0 : fd_log_level_stderr_set( config->log.level_stderr1 );
227 0 : fd_log_level_flush_set( config->log.level_flush1 );
228 :
229 0 : return config_fd<0;
230 0 : }
231 :
232 : static config_t config;
233 :
234 : int
235 : fd_main( int argc,
236 : char ** _argv,
237 : int is_firedancer,
238 : fd_config_file_t * const * configs,
239 0 : void (* topo_init )( config_t * config ) ) {
240 0 : char ** argv = _argv;
241 0 : argc--; argv++;
242 :
243 : /* Short circuit evaluating help and version commands so that we don't
244 : need to load and evaluate the entire config file to run them.
245 : This is useful for some operators in CI environments where, for
246 : example, they want to show the version or validate the produced
247 : binary without yet setting up the full TOML. */
248 :
249 0 : action_t * help_action = NULL;
250 0 : for( ulong i=0UL; ACTIONS[ i ]; i++ ) {
251 0 : if( FD_UNLIKELY( ACTIONS[ i ]->is_help ) ) {
252 0 : help_action = ACTIONS[ i ];
253 0 : break;
254 0 : }
255 0 : }
256 :
257 0 : if( FD_UNLIKELY( !argc ) ) {
258 0 : help_action->fn( NULL, NULL );
259 0 : FD_LOG_WARNING(( "no subcommand specified, exiting" ));
260 0 : return 1;
261 0 : }
262 :
263 : /* We need to strip away (potentially leading) cmdline flags first,
264 : since the parser assumes the action is the leading argument */
265 0 : const char * opt_user_config_path = fd_env_strip_cmdline_cstr(
266 0 : &argc,
267 0 : &argv,
268 0 : "--config",
269 0 : "FIREDANCER_CONFIG_TOML",
270 0 : NULL );
271 :
272 0 : action_t * action = NULL;
273 0 : for( ulong i=0UL; ACTIONS[ i ]; i++ ) {
274 0 : if( FD_UNLIKELY( !strcmp( argv[ 0 ], ACTIONS[ i ]->name ) ||
275 0 : (!strcmp( argv[ 0 ], "--version" ) && !strcmp( "version", ACTIONS[ i ]->name )) ||
276 0 : (!strcmp( argv[ 0 ], "--help" ) && !strcmp( "help", ACTIONS[ i ]->name ))
277 0 : ) ) {
278 0 : action = ACTIONS[ i ];
279 0 : if( FD_UNLIKELY( action->is_immediate ) ) {
280 0 : action->fn( NULL, NULL );
281 0 : return 0;
282 0 : }
283 0 : break;
284 0 : }
285 0 : }
286 :
287 0 : int is_local_cluster = action ? action->is_local_cluster : 0;
288 0 : int load_topo = fd_main_init( &argc, &argv, &config, opt_user_config_path, is_firedancer, is_local_cluster, NULL, configs );
289 0 : if( FD_LIKELY( load_topo ) ) topo_init( &config );
290 :
291 0 : if( FD_UNLIKELY( !action ) ) {
292 0 : help_action->fn( NULL, NULL );
293 0 : FD_LOG_ERR(( "unknown subcommand `%s`", argv[ 0 ] ));
294 0 : }
295 :
296 0 : if( FD_UNLIKELY( action->require_config && !opt_user_config_path ) ) FD_LOG_ERR(( "missing required `--config` argument" ));
297 :
298 0 : argc--; argv++;
299 :
300 0 : args_t args = {0};
301 0 : if( FD_LIKELY( action->args ) ) action->args( &argc, &argv, &args );
302 0 : if( FD_UNLIKELY( argc ) ) FD_LOG_ERR(( "unknown argument `%s`", argv[ 0 ] ));
303 :
304 0 : if( FD_LIKELY( action->perm ) ) {
305 0 : fd_cap_chk_t * chk = fd_cap_chk_join( fd_cap_chk_new( __builtin_alloca_with_align( fd_cap_chk_footprint(), FD_CAP_CHK_ALIGN ) ) );
306 :
307 0 : action->perm( &args, chk, &config );
308 :
309 0 : ulong err_cnt = fd_cap_chk_err_cnt( chk );
310 0 : if( FD_UNLIKELY( err_cnt ) ) {
311 0 : for( ulong i=0UL; i<err_cnt; i++ ) FD_LOG_WARNING(( "%s", fd_cap_chk_err( chk, i ) ));
312 :
313 0 : if( FD_LIKELY( action->permission_err ) ) FD_LOG_ERR(( action->permission_err, action->name ));
314 0 : else FD_LOG_ERR(( "insufficient permissions to execute command `%s`", action->name ));
315 0 : }
316 0 : }
317 :
318 0 : action->fn( &args, &config );
319 :
320 0 : return 0;
321 0 : }
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