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