1 | /* ***** BEGIN LICENSE BLOCK *****
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2 | * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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3 | *
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4 | * The contents of this file are subject to the Mozilla Public License Version
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5 | * 1.1 (the "License"); you may not use this file except in compliance with
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6 | * the License. You may obtain a copy of the License at
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7 | * http://www.mozilla.org/MPL/
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8 | *
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9 | * Software distributed under the License is distributed on an "AS IS" basis,
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10 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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11 | * for the specific language governing rights and limitations under the
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12 | * License.
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13 | *
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14 | * The Original Code is Mozilla IPC.
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15 | *
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16 | * The Initial Developer of the Original Code is
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17 | * Netscape Communications Corporation.
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18 | * Portions created by the Initial Developer are Copyright (C) 2003
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19 | * the Initial Developer. All Rights Reserved.
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20 | *
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21 | * Contributor(s):
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22 | * Darin Fisher <darin@netscape.com>
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23 | *
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24 | * Alternatively, the contents of this file may be used under the terms of
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25 | * either the GNU General Public License Version 2 or later (the "GPL"), or
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26 | * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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27 | * in which case the provisions of the GPL or the LGPL are applicable instead
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28 | * of those above. If you wish to allow use of your version of this file only
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29 | * under the terms of either the GPL or the LGPL, and not to allow others to
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30 | * use your version of this file under the terms of the MPL, indicate your
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31 | * decision by deleting the provisions above and replace them with the notice
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32 | * and other provisions required by the GPL or the LGPL. If you do not delete
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33 | * the provisions above, a recipient may use your version of this file under
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34 | * the terms of any one of the MPL, the GPL or the LGPL.
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35 | *
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36 | * ***** END LICENSE BLOCK ***** */
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37 | #define LOG_GROUP LOG_GROUP_IPC
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38 |
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39 | #include <unistd.h>
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40 | #include <sys/types.h>
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41 | #include <pwd.h>
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42 |
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43 | #include "ipcConfig.h"
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44 |
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45 | #include <iprt/env.h>
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46 | #include <iprt/string.h>
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47 | #include <VBox/log.h>
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48 |
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49 | static const char kDefaultSocketPrefix[] = "/tmp/.vbox-";
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50 | static const char kDefaultSocketSuffix[] = "-ipc/ipcd";
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51 |
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52 | void IPC_GetDefaultSocketPath(char *buf, PRUint32 bufLen)
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53 | {
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54 | const char *logName;
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55 |
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56 | char *pszDst = buf;
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57 | size_t cbDst = bufLen;
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58 | int vrc = RTStrCopyP(&pszDst, &cbDst, kDefaultSocketPrefix);
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59 | AssertRC(vrc); RT_NOREF(vrc);
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60 |
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61 | logName = RTEnvGet("VBOX_IPC_SOCKETID");
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62 | if (!logName || !logName[0]) {
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63 | struct passwd *passStruct = getpwuid(getuid());
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64 | if (passStruct)
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65 | logName = passStruct->pw_name;
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66 | }
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67 |
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68 | if (!logName || !logName[0]) {
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69 | logName = RTEnvGet("LOGNAME");
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70 | if (!logName || !logName[0]) {
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71 | logName = RTEnvGet("USER");
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72 | if (!logName || !logName[0]) {
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73 | Log(("could not determine username from environment\n"));
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74 | goto end;
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75 | }
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76 | }
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77 | }
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78 |
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79 | vrc = RTStrCopyP(&pszDst, &cbDst, logName);
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80 | AssertRC(vrc); RT_NOREF(vrc);
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81 |
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82 | end:
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83 | vrc = RTStrCopyP(&pszDst, &cbDst, kDefaultSocketSuffix);
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84 | AssertRC(vrc); RT_NOREF(vrc);
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85 | }
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