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