| 1 | /* $Id: PasswordInput.cpp 96407 2022-08-22 17:43:14Z vboxsync $ */
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| 2 | /** @file
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| 3 | * Frontend shared bits - Password file and console input helpers.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2012-2022 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 |
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| 29 | /*********************************************************************************************************************************
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| 30 | * Header Files *
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| 31 | *********************************************************************************************************************************/
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| 32 | #include "PasswordInput.h"
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| 33 |
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| 34 | #include <iprt/ctype.h>
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| 35 | #include <iprt/errcore.h>
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| 36 | #include <iprt/message.h>
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| 37 | #include <iprt/stream.h>
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| 38 |
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| 39 | #include <VBox/com/errorprint.h>
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| 40 |
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| 41 |
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| 42 | /**
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| 43 | * Reads a password from the password file.
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| 44 | *
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| 45 | * Only first line is used. The passwords length must be less than 512 bytes
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| 46 | *
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| 47 | * @param pszFilename The path to file containing the password
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| 48 | * @param pPasswd The string where password will be returned
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| 49 | * @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE + msg.
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| 50 | */
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| 51 | RTEXITCODE readPasswordFile(const char *pszFilename, com::Utf8Str *pPasswd)
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| 52 | {
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| 53 | size_t cbFile;
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| 54 | char szPasswd[512] = { 0 };
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| 55 | int vrc = VINF_SUCCESS;
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| 56 | RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
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| 57 | bool fStdIn = !strcmp(pszFilename, "stdin");
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| 58 | PRTSTREAM pStrm;
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| 59 | if (!fStdIn)
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| 60 | vrc = RTStrmOpen(pszFilename, "r", &pStrm);
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| 61 | else
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| 62 | pStrm = g_pStdIn;
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| 63 | if (RT_SUCCESS(vrc))
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| 64 | {
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| 65 | vrc = RTStrmReadEx(pStrm, szPasswd, sizeof(szPasswd)-1, &cbFile);
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| 66 | if (RT_SUCCESS(vrc))
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| 67 | {
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| 68 | size_t cbSize = RT_MIN(sizeof(szPasswd)-1, cbFile);
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| 69 | unsigned i;
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| 70 | for (i = 0; i < cbSize && !RTLocCIsCntrl(szPasswd[i]); i++)
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| 71 | ;
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| 72 | szPasswd[i] = '\0';
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| 73 | /* If the line containing password doesn't fit into buffer */
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| 74 | if (i >= sizeof(szPasswd)-1 && cbFile >= sizeof(szPasswd))
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| 75 | rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "Provided password in file '%s' is too long", pszFilename);
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| 76 | else
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| 77 | *pPasswd = szPasswd;
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| 78 | }
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| 79 | else
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| 80 | rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "Cannot read password from file '%s': %Rrc", pszFilename, vrc);
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| 81 | if (!fStdIn)
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| 82 | RTStrmClose(pStrm);
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| 83 | }
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| 84 | else
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| 85 | rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "Cannot open password file '%s' (%Rrc)", pszFilename, vrc);
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| 86 |
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| 87 | return rcExit;
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| 88 | }
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| 89 |
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| 90 |
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| 91 | /**
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| 92 | * Sets password for settings from password file
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| 93 | *
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| 94 | * Only first line is used. The passwords length must be less than 512 bytes
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| 95 | *
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| 96 | * @param virtualBox The IVirtualBox interface the settings password will be set for
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| 97 | * @param pszFilename The path to file containing the password
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| 98 | * @return RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE + msg.
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| 99 | */
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| 100 | RTEXITCODE settingsPasswordFile(ComPtr<IVirtualBox> virtualBox, const char *pszFilename)
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| 101 | {
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| 102 | com::Utf8Str passwd;
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| 103 | RTEXITCODE rcExit = readPasswordFile(pszFilename, &passwd);
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| 104 | if (rcExit == RTEXITCODE_SUCCESS)
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| 105 | {
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| 106 | HRESULT hrc;
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| 107 | CHECK_ERROR(virtualBox, SetSettingsSecret(com::Bstr(passwd).raw()));
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| 108 | if (FAILED(hrc))
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| 109 | rcExit = RTEXITCODE_FAILURE;
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| 110 | }
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| 111 |
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| 112 | return rcExit;
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| 113 | }
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| 114 |
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| 115 |
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| 116 | /**
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| 117 | * Gets the password from the user input
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| 118 | * *
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| 119 | * @param pPassword The string where password will be returned
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| 120 | * @param pszPrompt The prompt string for user
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| 121 | * @return RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE + msg.
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| 122 | */
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| 123 | RTEXITCODE readPasswordFromConsole(com::Utf8Str *pPassword, const char *pszPrompt, ...)
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| 124 | {
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| 125 | RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
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| 126 | char aszPwdInput[_1K] = { 0 };
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| 127 | va_list vaArgs;
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| 128 |
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| 129 | va_start(vaArgs, pszPrompt);
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| 130 | int vrc = RTStrmPrintfV(g_pStdOut, pszPrompt, vaArgs);
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| 131 | if (RT_SUCCESS(vrc))
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| 132 | {
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| 133 | bool fEchoOld = false;
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| 134 | vrc = RTStrmInputGetEchoChars(g_pStdIn, &fEchoOld);
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| 135 | if (RT_SUCCESS(vrc))
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| 136 | {
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| 137 | vrc = RTStrmInputSetEchoChars(g_pStdIn, false);
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| 138 | if (RT_SUCCESS(vrc))
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| 139 | {
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| 140 | vrc = RTStrmGetLine(g_pStdIn, &aszPwdInput[0], sizeof(aszPwdInput));
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| 141 | if (RT_SUCCESS(vrc))
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| 142 | {
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| 143 | #ifdef RT_OS_WINDOWS
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| 144 | /*
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| 145 | * Returned string encoded in console code page (e.g. Win-125X or CP-XXX).
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| 146 | * Convert it to Utf-8
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| 147 | */
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| 148 | char *pszPassword = NULL;
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| 149 | vrc = RTStrConsoleCPToUtf8(&pszPassword, aszPwdInput);
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| 150 | if (RT_SUCCESS(vrc) && pszPassword)
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| 151 | {
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| 152 | *pPassword = pszPassword;
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| 153 | RTMemFree(pszPassword);
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| 154 | }
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| 155 | else
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| 156 | rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE,
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| 157 | "Failed to convert password from windows console codepage to Utf-8 (%Rrc)",
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| 158 | vrc);
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| 159 | #else
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| 160 | *pPassword = aszPwdInput;
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| 161 | #endif
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| 162 | }
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| 163 | else
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| 164 | rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed read password from command line (%Rrc)", vrc);
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| 165 |
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| 166 | int vrc2 = RTStrmInputSetEchoChars(g_pStdIn, fEchoOld);
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| 167 | AssertRC(vrc2);
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| 168 | }
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| 169 | else
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| 170 | rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to disable echoing typed characters (%Rrc)", vrc);
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| 171 | }
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| 172 | else
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| 173 | rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to retrieve echo setting (%Rrc)", vrc);
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| 174 |
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| 175 | RTStrmPutStr(g_pStdOut, "\n");
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| 176 | }
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| 177 | else
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| 178 | rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to print prompt (%Rrc)", vrc);
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| 179 | va_end(vaArgs);
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| 180 |
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| 181 | return rcExit;
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| 182 | }
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