[0] | 1 | //roard.c: |
---|
| 2 | |
---|
| 3 | #include "roard.h" |
---|
| 4 | |
---|
[60] | 5 | char * server = ROAR_DEFAULT_SOCK_GLOBAL; // global server address |
---|
| 6 | |
---|
[0] | 7 | void usage (void) { |
---|
| 8 | printf("Usage: roard [OPTIONS]...\n\n"); |
---|
| 9 | |
---|
[68] | 10 | printf("Misc Options:\n\n"); |
---|
| 11 | printf( |
---|
[71] | 12 | " --demon - Bring the server into background after init\n" |
---|
| 13 | " --terminate - Terminate after last client quited\n" |
---|
[274] | 14 | " --restart - Trys to stop an old instance and start a new with new settings\n" |
---|
[276] | 15 | " --realtime - Trys to get realtime priority,\n" |
---|
| 16 | " give multible times for being more realtime\n" |
---|
[444] | 17 | " --chroot DIR - chroots to the given dir\n" |
---|
| 18 | " --setgid - GroupID to the audio group as specified via -G\n" |
---|
| 19 | " --setuid - UserID to the audio user as specified via -U\n" |
---|
[68] | 20 | ); |
---|
| 21 | |
---|
| 22 | printf("\nAudio Options:\n\n"); |
---|
[0] | 23 | printf( |
---|
| 24 | " -R --rate RATE - Set server rate\n" |
---|
| 25 | " -B --bits BITS - Set server bits\n" |
---|
| 26 | " -C --chans CHANNELS - Set server channels\n" |
---|
| 27 | ); |
---|
| 28 | |
---|
| 29 | printf("\nDriver Options:\n\n"); |
---|
| 30 | printf(" -d --driver DRV - Set the driver, use '-d list' to get a list (default: %s)\n", ROAR_DRIVER_DEFAULT); |
---|
| 31 | printf(" -D --device DEV - Set the device\n"); |
---|
| 32 | printf(" -dO OPTS - Set output options\n"); |
---|
| 33 | |
---|
| 34 | printf("\nSource Options:\n\n"); |
---|
| 35 | printf(" -s --source DRV - Use DRV as input driver\n" |
---|
| 36 | " -S DEV - Use DEV as input device\n" |
---|
| 37 | " -sO OPTS - Use OPTS as input options\n" |
---|
| 38 | " -sP - Make souce as primary\n" |
---|
| 39 | ); |
---|
| 40 | |
---|
[280] | 41 | printf("\nCodec Filter Options:\n\n"); |
---|
| 42 | printf(" --list-cf - List all codec filter\n" |
---|
| 43 | ); |
---|
[0] | 44 | |
---|
| 45 | printf("\nServer Options:\n\n"); |
---|
| 46 | printf(" -t --tcp - Use TCP listen socket\n" |
---|
| 47 | " -u --unix - Use UNIX Domain listen socket (default)\n" |
---|
[508] | 48 | #ifdef ROAR_HAVE_LIBDNET |
---|
| 49 | " -n --decnet - use DECnet listen socket\n" |
---|
| 50 | #endif |
---|
[0] | 51 | " -p --port - TCP Port to bind to\n" |
---|
| 52 | " -b --bind - IP/Hostname to bind to\n" |
---|
| 53 | " -s --sock - Filename for UNIX Domain Socket\n" |
---|
[450] | 54 | " -G GROUP - Sets the group for the UNIX Domain Socket, (default: %s)\n" |
---|
[60] | 55 | " You need the permittions to change the GID\n" |
---|
[444] | 56 | " -U USER - Sets the user for the UNIX Domain Socket, (default: do not set)\n" |
---|
| 57 | " You need the permittions to change the UID (normaly only root has)\n" |
---|
[68] | 58 | " --no-listen - Do not listen for new clients (only usefull for relaing)\n" |
---|
[274] | 59 | " --client-fh - Comunicate with a client over this handle\n" |
---|
[501] | 60 | " (only usefull for relaing)\n" |
---|
| 61 | " --close-fh - Closes the given fh\n", |
---|
[450] | 62 | ROAR_DEFAULT_SOCKGRP |
---|
[0] | 63 | ); |
---|
| 64 | // printf("\n Options:\n\n"); |
---|
| 65 | printf("\n"); |
---|
| 66 | } |
---|
| 67 | |
---|
[444] | 68 | #define R_SETUID 1 |
---|
| 69 | #define R_SETGID 2 |
---|
| 70 | |
---|
[0] | 71 | int main (int argc, char * argv[]) { |
---|
| 72 | int i; |
---|
| 73 | char * k; |
---|
[60] | 74 | char user_sock[80] = {0}; |
---|
[0] | 75 | struct roar_audio_info sa; |
---|
[275] | 76 | int demon = 0; |
---|
| 77 | int realtime = 0; |
---|
[74] | 78 | char * driver = getenv("ROAR_DRIVER"); |
---|
| 79 | char * device = getenv("ROAR_DEVICE"); |
---|
[0] | 80 | char * opts = NULL; |
---|
[60] | 81 | // char * server = ROAR_DEFAULT_SOCK_GLOBAL; |
---|
[0] | 82 | int port = ROAR_DEFAULT_PORT; |
---|
| 83 | int drvid; |
---|
[444] | 84 | char * s_dev = NULL; |
---|
| 85 | char * s_con = NULL; |
---|
| 86 | char * s_opt = NULL; |
---|
| 87 | int s_prim = 0; |
---|
[450] | 88 | char * sock_grp = ROAR_DEFAULT_SOCKGRP; |
---|
[444] | 89 | char * sock_user = NULL; |
---|
[517] | 90 | int sock_type = ROAR_SOCKET_TYPE_UNKNOWN; |
---|
[444] | 91 | char * chrootdir = NULL; |
---|
| 92 | int setids = 0; |
---|
[446] | 93 | struct group * grp = NULL; |
---|
| 94 | struct passwd * pwd = NULL; |
---|
| 95 | struct servent * serv = NULL; |
---|
[0] | 96 | DRIVER_USERDATA_T drvinst; |
---|
[39] | 97 | struct roar_client * self = NULL; |
---|
[508] | 98 | #ifdef ROAR_HAVE_LIBDNET |
---|
| 99 | char decnethost[80]; |
---|
| 100 | #endif |
---|
[0] | 101 | |
---|
| 102 | g_listen_socket = -1; |
---|
| 103 | g_standby = 0; |
---|
| 104 | |
---|
| 105 | sa.bits = ROAR_BITS_DEFAULT; |
---|
| 106 | sa.channels = ROAR_CHANNELS_DEFAULT; |
---|
| 107 | sa.rate = ROAR_RATE_DEFAULT; |
---|
| 108 | sa.codec = ROAR_CODEC_DEFAULT; |
---|
| 109 | |
---|
| 110 | g_sa = &sa; |
---|
| 111 | |
---|
[60] | 112 | |
---|
| 113 | if ( getuid() != 0 && getenv("HOME") ) { |
---|
| 114 | snprintf(user_sock, 79, "%s/%s", getenv("HOME"), ROAR_DEFAULT_SOCK_USER); |
---|
| 115 | server = user_sock; |
---|
| 116 | } |
---|
| 117 | |
---|
[279] | 118 | if ( getenv("ROAR_SERVER") != NULL ) |
---|
| 119 | server = getenv("ROAR_SERVER"); |
---|
| 120 | |
---|
[63] | 121 | if ( clients_init() == -1 ) { |
---|
| 122 | ROAR_ERR("Can not init clients!"); |
---|
| 123 | return 1; |
---|
| 124 | } |
---|
| 125 | |
---|
| 126 | if ( streams_init() == -1 ) { |
---|
| 127 | ROAR_ERR("Can not init streams!"); |
---|
| 128 | return 1; |
---|
| 129 | } |
---|
| 130 | |
---|
[64] | 131 | if ( (g_self_client = clients_new()) == -1 ) { |
---|
| 132 | ROAR_ERR("Can not create self client!"); |
---|
| 133 | return 1; |
---|
| 134 | } |
---|
| 135 | |
---|
[0] | 136 | if ( sources_init() == -1 ) { |
---|
| 137 | ROAR_ERR("Can not init sources!"); |
---|
| 138 | return 1; |
---|
| 139 | } |
---|
| 140 | |
---|
[64] | 141 | if ( (sources_set_client(g_self_client)) == -1 ) { |
---|
| 142 | ROAR_ERR("Can not init set source client!"); |
---|
| 143 | return 1; |
---|
| 144 | } |
---|
| 145 | |
---|
[0] | 146 | for (i = 1; i < argc; i++) { |
---|
| 147 | k = argv[i]; |
---|
| 148 | |
---|
| 149 | if ( strcmp(k, "-h") == 0 || strcmp(k, "--help") == 0 ) { |
---|
| 150 | usage(); |
---|
| 151 | return 0; |
---|
| 152 | |
---|
[68] | 153 | } else if ( strcmp(k, "--demon") == 0 ) { |
---|
| 154 | demon = 1; |
---|
[71] | 155 | } else if ( strcmp(k, "--terminate") == 0 ) { |
---|
| 156 | g_terminate = 1; |
---|
[275] | 157 | } else if ( strcmp(k, "--realtime") == 0 ) { |
---|
[276] | 158 | realtime++; |
---|
[444] | 159 | } else if ( strcmp(k, "--chroot") == 0 ) { |
---|
| 160 | chrootdir = argv[++i]; |
---|
| 161 | } else if ( strcmp(k, "--setgid") == 0 ) { |
---|
| 162 | setids |= R_SETGID; |
---|
| 163 | } else if ( strcmp(k, "--setuid") == 0 ) { |
---|
| 164 | setids |= R_SETUID; |
---|
[68] | 165 | |
---|
[280] | 166 | } else if ( strcmp(k, "--list-cf") == 0 ) { |
---|
| 167 | print_codecfilterlist(); |
---|
| 168 | return 0; |
---|
| 169 | |
---|
[0] | 170 | } else if ( strcmp(k, "-R") == 0 || strcmp(k, "--rate") == 0 ) { |
---|
| 171 | sa.rate = atoi(argv[++i]); |
---|
| 172 | } else if ( strcmp(k, "-B") == 0 || strcmp(k, "--bits") == 0 ) { |
---|
| 173 | sa.bits = atoi(argv[++i]); |
---|
| 174 | } else if ( strcmp(k, "-C") == 0 || strcmp(k, "--chans") == 0 ) { |
---|
| 175 | sa.channels = atoi(argv[++i]); |
---|
| 176 | |
---|
| 177 | } else if ( strcmp(k, "-d") == 0 || strcmp(k, "--driver") == 0 ) { |
---|
| 178 | driver = argv[++i]; |
---|
| 179 | if ( strcmp(driver, "list") == 0 ) { |
---|
| 180 | print_driverlist(); |
---|
| 181 | } |
---|
| 182 | } else if ( strcmp(k, "-D") == 0 || strcmp(k, "--device") == 0 ) { |
---|
| 183 | device = argv[++i]; |
---|
| 184 | } else if ( strcmp(k, "-dO") == 0 ) { |
---|
| 185 | opts = argv[++i]; |
---|
| 186 | |
---|
| 187 | } else if ( strcmp(k, "-s") == 0 || strcmp(k, "--source") == 0 ) { |
---|
| 188 | k = argv[++i]; |
---|
| 189 | if ( sources_add(k, s_dev, s_con, s_opt, s_prim) == -1 ) { |
---|
| 190 | ROAR_ERR("main(*): adding source '%s' via '%s' failed!", s_dev, k); |
---|
| 191 | } |
---|
| 192 | s_opt = s_dev = s_con = NULL; |
---|
| 193 | s_prim = 0; |
---|
| 194 | } else if ( strcmp(k, "-S") == 0 ) { |
---|
| 195 | s_dev = argv[++i]; |
---|
| 196 | } else if ( strcmp(k, "-sO") == 0 ) { |
---|
| 197 | s_opt = argv[++i]; |
---|
| 198 | } else if ( strcmp(k, "-sC") == 0 ) { |
---|
| 199 | s_con = argv[++i]; |
---|
| 200 | } else if ( strcmp(k, "-sP") == 0 ) { |
---|
| 201 | s_prim = 1; |
---|
| 202 | |
---|
| 203 | } else if ( strcmp(k, "-p") == 0 || strcmp(k, "--port") == 0 ) { |
---|
[447] | 204 | // This is only usefull in INET not UNIX mode. |
---|
| 205 | if ( *server == '/' ) |
---|
| 206 | server = ROAR_DEFAULT_HOST; |
---|
| 207 | |
---|
[446] | 208 | errno = 0; |
---|
| 209 | if ( (port = atoi(argv[++i])) < 1 ) { |
---|
| 210 | if ( (serv = getservbyname(argv[i], "tcp")) == NULL ) { |
---|
| 211 | ROAR_ERR("Unknown service: %s: %s", argv[i], strerror(errno)); |
---|
| 212 | return 1; |
---|
| 213 | } |
---|
| 214 | // NOTE: we need to use ROAR_NET2HOST16() here even if s_port is of type int! |
---|
| 215 | ROAR_DBG("main(*): serv = {s_name='%s', s_aliases={...}, s_port=%i, s_proto='%s'}", |
---|
| 216 | serv->s_name, ROAR_NET2HOST16(serv->s_port), serv->s_proto); |
---|
| 217 | port = ROAR_NET2HOST16(serv->s_port); |
---|
| 218 | } |
---|
[68] | 219 | } else if ( strcmp(k, "-b") == 0 || strcmp(k, "--bind") == 0 || strcmp(k, "-s") == 0 || strcmp(k, "--sock") == 0 ) { |
---|
[0] | 220 | server = argv[++i]; |
---|
[62] | 221 | } else if ( strcmp(k, "-t") == 0 ) { |
---|
[517] | 222 | sock_type = ROAR_SOCKET_TYPE_TCP; |
---|
[447] | 223 | if ( *server == '/' ) |
---|
| 224 | server = ROAR_DEFAULT_HOST; |
---|
[62] | 225 | } else if ( strcmp(k, "-u") == 0 ) { |
---|
| 226 | // ignore this case as it is the default behavor. |
---|
[517] | 227 | sock_type = ROAR_SOCKET_TYPE_UNIX; |
---|
[508] | 228 | } else if ( strcmp(k, "-n") == 0 ) { |
---|
| 229 | #ifdef ROAR_HAVE_LIBDNET |
---|
| 230 | port = ROAR_DEFAULT_NUM; |
---|
| 231 | strcpy(decnethost, ROAR_DEFAULT_LISTEN_OBJECT); |
---|
| 232 | server = decnethost; |
---|
[517] | 233 | sock_type = ROAR_SOCKET_TYPE_DECNET; |
---|
[508] | 234 | #else |
---|
| 235 | ROAR_ERR("No DECnet support compiled in!"); |
---|
| 236 | return 1; |
---|
| 237 | #endif |
---|
[60] | 238 | } else if ( strcmp(k, "-G") == 0 ) { |
---|
[444] | 239 | sock_grp = argv[++i]; |
---|
| 240 | } else if ( strcmp(k, "-U") == 0 ) { |
---|
| 241 | sock_user = argv[++i]; |
---|
[0] | 242 | |
---|
[68] | 243 | } else if ( strcmp(k, "--no-listen") == 0 ) { |
---|
| 244 | *server = 0; |
---|
| 245 | } else if ( strcmp(k, "--client-fh") == 0 ) { |
---|
| 246 | if ( clients_set_fh(clients_new(), atoi(argv[++i])) == -1 ) { |
---|
| 247 | ROAR_ERR("main(*): Can not set client's fh"); |
---|
| 248 | return 1; |
---|
| 249 | } |
---|
[501] | 250 | } else if ( strcmp(k, "--close-fh") == 0 ) { |
---|
| 251 | close(atoi(argv[++i])); |
---|
[68] | 252 | |
---|
[0] | 253 | } else { |
---|
| 254 | usage(); |
---|
| 255 | return 1; |
---|
| 256 | } |
---|
| 257 | |
---|
| 258 | } |
---|
| 259 | |
---|
| 260 | ROAR_DBG("Server config: rate=%i, bits=%i, chans=%i", sa.rate, sa.bits, sa.channels); |
---|
| 261 | |
---|
[281] | 262 | if ( midi_init() == -1 ) |
---|
| 263 | ROAR_ERR("Can not initialize MIDI subsystem"); |
---|
| 264 | |
---|
[68] | 265 | if ( *server != 0 ) { |
---|
[517] | 266 | if ( (g_listen_socket = roar_socket_listen(sock_type, server, port)) == -1 ) { |
---|
[286] | 267 | if ( *server == '/' ) { |
---|
| 268 | if ( (i = roar_socket_connect(server, port)) != -1 ) { |
---|
| 269 | close(i); |
---|
| 270 | ROAR_ERR("Can not open listen socket!"); |
---|
| 271 | return 1; |
---|
| 272 | } else { |
---|
| 273 | unlink(server); |
---|
[517] | 274 | if ( (g_listen_socket = roar_socket_listen(sock_type, server, port)) == -1 ) { |
---|
[286] | 275 | ROAR_ERR("Can not open listen socket!"); |
---|
| 276 | return 1; |
---|
| 277 | } |
---|
| 278 | } |
---|
| 279 | } else { |
---|
| 280 | ROAR_ERR("Can not open listen socket!"); |
---|
| 281 | return 1; |
---|
| 282 | } |
---|
[68] | 283 | } |
---|
[0] | 284 | |
---|
[68] | 285 | if ( *server == '/' ) { |
---|
[444] | 286 | if ( sock_user ) { |
---|
| 287 | if ( (pwd = getpwnam(sock_user)) == NULL ) { |
---|
| 288 | ROAR_ERR("Can not get UID for user %s: %s", sock_user, strerror(errno)); |
---|
| 289 | } |
---|
| 290 | } |
---|
[68] | 291 | if ( (grp = getgrnam(sock_grp)) == NULL ) { |
---|
| 292 | ROAR_ERR("Can not get GID for group %s: %s", sock_grp, strerror(errno)); |
---|
| 293 | } else { |
---|
[444] | 294 | if ( pwd ) { |
---|
| 295 | chown(server, pwd->pw_uid, grp->gr_gid); |
---|
| 296 | } else { |
---|
| 297 | chown(server, -1, grp->gr_gid); |
---|
| 298 | } |
---|
[68] | 299 | if ( getuid() == 0 ) |
---|
| 300 | chmod(server, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP); |
---|
| 301 | } |
---|
[60] | 302 | } |
---|
| 303 | } |
---|
| 304 | |
---|
[0] | 305 | if ( output_buffer_init(&sa) == -1 ) { |
---|
| 306 | ROAR_ERR("Can not init output buffer!"); |
---|
| 307 | return 1; |
---|
| 308 | } |
---|
| 309 | |
---|
| 310 | if ( driver_open(&drvinst, &drvid, driver, device, &sa) == -1 ) { |
---|
| 311 | ROAR_ERR("Can not open output driver!"); |
---|
| 312 | return 1; |
---|
| 313 | } |
---|
| 314 | |
---|
[44] | 315 | if ( samples_init() == -1 ) { |
---|
| 316 | ROAR_ERR("Can not init samples!"); |
---|
| 317 | return 1; |
---|
| 318 | } |
---|
| 319 | |
---|
| 320 | |
---|
[0] | 321 | signal(SIGINT, on_sig_int); |
---|
[285] | 322 | signal(SIGCHLD, on_sig_chld); |
---|
[0] | 323 | signal(SIGPIPE, SIG_IGN); // ignore broken pipes |
---|
| 324 | |
---|
[275] | 325 | if ( realtime ) { |
---|
[278] | 326 | #ifdef DEBUG |
---|
| 327 | ROAR_WARN("compiled with -DDEBUG but realtime is enabled: for real realtime support compiel without -DDEBUG"); |
---|
| 328 | #endif |
---|
| 329 | |
---|
[275] | 330 | errno = 0; |
---|
[276] | 331 | nice(-5*realtime); // -5 for each --realtime |
---|
[275] | 332 | if ( errno ) |
---|
| 333 | ROAR_WARN("Can not decrease nice value by 5: %s", strerror(errno)); |
---|
[277] | 334 | /* |
---|
[276] | 335 | #ifdef __linux__ |
---|
[277] | 336 | if ( ioprio_set(IOPRIO_WHO_PROCESS, getpid(), IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 0)) == -1 ) |
---|
| 337 | ROAR_WARN("Can not set io priority: %s", strerror(errno)); |
---|
[276] | 338 | #endif |
---|
[277] | 339 | */ |
---|
[275] | 340 | } |
---|
| 341 | |
---|
[444] | 342 | if ( setids & R_SETGID ) { |
---|
| 343 | if ( setgroups(0, (const gid_t *) NULL) == -1 ) { |
---|
| 344 | ROAR_ERR("Can not clear supplementary group IDs: %s", strerror(errno)); |
---|
| 345 | } |
---|
| 346 | if ( setgid(grp->gr_gid) == -1 ) { |
---|
| 347 | ROAR_ERR("Can not set GroupID: %s", strerror(errno)); |
---|
| 348 | } |
---|
| 349 | } |
---|
| 350 | |
---|
[0] | 351 | |
---|
[39] | 352 | clients_set_pid(g_self_client, getpid()); |
---|
[440] | 353 | clients_set_uid(g_self_client, getuid()); |
---|
| 354 | clients_set_gid(g_self_client, getgid()); |
---|
[39] | 355 | clients_get(g_self_client, &self); |
---|
[37] | 356 | |
---|
[39] | 357 | if ( self == NULL ) { |
---|
| 358 | ROAR_ERR("Can not get self client!"); |
---|
| 359 | return 1; |
---|
| 360 | } |
---|
| 361 | |
---|
| 362 | strcpy(self->name, "RoarAudio demon internal"); |
---|
[68] | 363 | |
---|
| 364 | if ( demon ) { |
---|
| 365 | close(ROAR_STDIN ); |
---|
| 366 | close(ROAR_STDOUT); |
---|
| 367 | close(ROAR_STDERR); |
---|
[422] | 368 | setsid(); |
---|
[68] | 369 | if ( fork() ) |
---|
| 370 | _exit(0); |
---|
| 371 | } |
---|
| 372 | |
---|
[444] | 373 | if (chrootdir) { |
---|
| 374 | if ( chroot(chrootdir) == -1 ) { |
---|
| 375 | ROAR_ERR("Can not chroot to %s: %s", chrootdir, strerror(errno)); |
---|
| 376 | return 2; |
---|
| 377 | } |
---|
| 378 | if ( chdir("/") == -1 ) { |
---|
| 379 | ROAR_ERR("Can not chdir to /: %s", strerror(errno)); |
---|
| 380 | return 2; |
---|
| 381 | } |
---|
| 382 | } |
---|
| 383 | |
---|
| 384 | if ( setids & R_SETUID ) { |
---|
| 385 | if ( !pwd || setuid(pwd->pw_uid) == -1 ) { |
---|
| 386 | ROAR_ERR("Can not set UserID: %s", strerror(errno)); |
---|
| 387 | return 3; |
---|
| 388 | } |
---|
| 389 | clients_set_uid(g_self_client, getuid()); |
---|
| 390 | } |
---|
| 391 | |
---|
[0] | 392 | // start main loop... |
---|
| 393 | main_loop(drvid, drvinst, &sa); |
---|
| 394 | |
---|
| 395 | // clean up. |
---|
| 396 | clean_quit_prep(); |
---|
| 397 | driver_close(drvinst, drvid); |
---|
| 398 | output_buffer_free(); |
---|
| 399 | |
---|
| 400 | return 0; |
---|
| 401 | } |
---|
| 402 | |
---|
| 403 | void clean_quit_prep (void) { |
---|
| 404 | close(g_listen_socket); |
---|
[60] | 405 | |
---|
| 406 | if ( *server == '/' ) |
---|
| 407 | unlink(server); |
---|
| 408 | |
---|
| 409 | |
---|
[0] | 410 | sources_free(); |
---|
| 411 | streams_free(); |
---|
| 412 | clients_free(); |
---|
[282] | 413 | midi_cb_stop(); // stop console beep |
---|
[281] | 414 | midi_free(); |
---|
[0] | 415 | } |
---|
| 416 | |
---|
| 417 | void clean_quit (void) { |
---|
| 418 | clean_quit_prep(); |
---|
| 419 | // driver_close(drvinst, drvid); |
---|
| 420 | // output_buffer_free(); |
---|
| 421 | exit(0); |
---|
| 422 | } |
---|
| 423 | |
---|
| 424 | //ll |
---|