Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 279 insertions, 0 deletions

diff --git a/src/VBox/Runtime/r3/posix/process-posix.cpp b/src/VBox/Runtime/r3/posix/process-posix.cpp
new file mode 100644
index 00000000..b0074f1c
--- /dev/null
+++ b/src/VBox/Runtime/r3/posix/process-posix.cpp
@@ -0,0 +1,279 @@
+/* $Id: process-posix.cpp $ */
+/** @file
+ * IPRT - Process, POSIX.
+ */
+
+/*
+ * Copyright (C) 2006-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#define LOG_GROUP RTLOGGROUP_PROCESS
+#include <unistd.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <pwd.h>
+
+#include <iprt/process.h>
+#include "internal/iprt.h"
+
+#include <iprt/assert.h>
+#include <iprt/env.h>
+#include <iprt/err.h>
+#include <iprt/file.h>
+#include <iprt/pipe.h>
+#include <iprt/socket.h>
+#include <iprt/string.h>
+#include <iprt/mem.h>
+#include "internal/process.h"
+
+
+RTR3DECL(int)   RTProcWait(RTPROCESS Process, unsigned fFlags, PRTPROCSTATUS pProcStatus)
+{
+    int rc;
+    do rc = RTProcWaitNoResume(Process, fFlags, pProcStatus);
+    while (rc == VERR_INTERRUPTED);
+    return rc;
+}
+
+
+RTR3DECL(int)   RTProcWaitNoResume(RTPROCESS Process, unsigned fFlags, PRTPROCSTATUS pProcStatus)
+{
+    /*
+     * Validate input.
+     */
+    if (Process <= 0)
+    {
+        AssertMsgFailed(("Invalid Process=%d\n", Process));
+        return VERR_INVALID_PARAMETER;
+    }
+    if (fFlags & ~(RTPROCWAIT_FLAGS_NOBLOCK | RTPROCWAIT_FLAGS_BLOCK))
+    {
+        AssertMsgFailed(("Invalid flags %#x\n", fFlags));
+        return VERR_INVALID_PARAMETER;
+    }
+
+    /*
+     * Perform the wait.
+     */
+    int iStatus = 0;
+    int rc = waitpid(Process, &iStatus, fFlags & RTPROCWAIT_FLAGS_NOBLOCK ? WNOHANG : 0);
+    if (rc > 0)
+    {
+        /*
+         * Fill in the status structure.
+         */
+        if (pProcStatus)
+        {
+            if (WIFEXITED(iStatus))
+            {
+                pProcStatus->enmReason = RTPROCEXITREASON_NORMAL;
+                pProcStatus->iStatus = WEXITSTATUS(iStatus);
+            }
+            else if (WIFSIGNALED(iStatus))
+            {
+                pProcStatus->enmReason = RTPROCEXITREASON_SIGNAL;
+                pProcStatus->iStatus = WTERMSIG(iStatus);
+            }
+            else
+            {
+                Assert(!WIFSTOPPED(iStatus));
+                pProcStatus->enmReason = RTPROCEXITREASON_ABEND;
+                pProcStatus->iStatus = iStatus;
+            }
+        }
+        return VINF_SUCCESS;
+    }
+
+    /*
+     * Child running?
+     */
+    if (!rc)
+    {
+        Assert(fFlags & RTPROCWAIT_FLAGS_NOBLOCK);
+        return VERR_PROCESS_RUNNING;
+    }
+
+    /*
+     * Figure out which error to return.
+     */
+    int iErr = errno;
+    if (iErr == ECHILD)
+        return VERR_PROCESS_NOT_FOUND;
+    return RTErrConvertFromErrno(iErr);
+}
+
+
+RTR3DECL(int) RTProcTerminate(RTPROCESS Process)
+{
+    if (Process == NIL_RTPROCESS)
+        return VINF_SUCCESS;
+
+    if (!kill(Process, SIGKILL))
+        return VINF_SUCCESS;
+    return RTErrConvertFromErrno(errno);
+}
+
+
+RTR3DECL(uint64_t) RTProcGetAffinityMask(void)
+{
+    /// @todo
+    return 1;
+}
+
+
+RTR3DECL(int) RTProcQueryParent(RTPROCESS hProcess, PRTPROCESS phParent)
+{
+    if (hProcess == RTProcSelf())
+    {
+        *phParent = getppid();
+        return VINF_SUCCESS;
+    }
+    return VERR_NOT_SUPPORTED;
+}
+
+
+RTR3DECL(int) RTProcQueryUsername(RTPROCESS hProcess, char *pszUser, size_t cbUser, size_t *pcbUser)
+{
+    AssertReturn(   (pszUser && cbUser > 0)
+                 || (!pszUser && !cbUser), VERR_INVALID_PARAMETER);
+    AssertReturn(pcbUser || pszUser, VERR_INVALID_PARAMETER);
+
+    int rc;
+    if (   hProcess == NIL_RTPROCESS
+        || hProcess == RTProcSelf())
+    {
+        /*
+         * Figure a good buffer estimate.
+         */
+        int32_t cbPwdMax = sysconf(_SC_GETPW_R_SIZE_MAX);
+        if (cbPwdMax <= _1K)
+            cbPwdMax = _1K;
+        else
+            AssertStmt(cbPwdMax <= 32*_1M, cbPwdMax = 32*_1M);
+        char *pchBuf = (char *)RTMemTmpAllocZ(cbPwdMax);
+        if (pchBuf)
+        {
+            /*
+             * Get the password file entry.
+             */
+            struct passwd  Pwd;
+            struct passwd *pPwd = NULL;
+            rc = getpwuid_r(geteuid(), &Pwd, pchBuf, cbPwdMax, &pPwd);
+            if (!rc)
+            {
+                /*
+                 * Convert the name to UTF-8, assuming that we're getting it in the local codeset.
+                 */
+                /** @todo This isn't exactly optimal... the current codeset/page conversion
+                 *        stuff never was.  Should optimize that for UTF-8 and ASCII one day.
+                 *        And also optimize for avoiding heap. */
+                char *pszTmp = NULL;
+                rc = RTStrCurrentCPToUtf8(&pszTmp, pPwd->pw_name);
+                if (RT_SUCCESS(rc))
+                {
+                    size_t cbTmp = strlen(pszTmp) + 1;
+                    if (pcbUser)
+                        *pcbUser = cbTmp;
+                    if (cbTmp <= cbUser)
+                    {
+                        memcpy(pszUser, pszTmp, cbTmp);
+                        rc = VINF_SUCCESS;
+                    }
+                    else
+                        rc = VERR_BUFFER_OVERFLOW;
+                    RTStrFree(pszTmp);
+                }
+            }
+            else
+                rc = RTErrConvertFromErrno(rc);
+            RTMemFree(pchBuf);
+        }
+        else
+            rc = VERR_NO_TMP_MEMORY;
+    }
+    else
+        rc = VERR_NOT_SUPPORTED;
+    return rc;
+}
+
+
+RTR3DECL(int) RTProcQueryUsernameA(RTPROCESS hProcess, char **ppszUser)
+{
+    AssertPtrReturn(ppszUser, VERR_INVALID_POINTER);
+
+    int rc;
+    if (   hProcess == NIL_RTPROCESS
+        || hProcess == RTProcSelf())
+    {
+        /*
+         * Figure a good buffer estimate.
+         */
+        int32_t cbPwdMax = sysconf(_SC_GETPW_R_SIZE_MAX);
+        if (cbPwdMax <= _1K)
+            cbPwdMax = _1K;
+        else
+            AssertStmt(cbPwdMax <= 32*_1M, cbPwdMax = 32*_1M);
+        char *pchBuf = (char *)RTMemTmpAllocZ(cbPwdMax);
+        if (pchBuf)
+        {
+            /*
+             * Get the password file entry.
+             */
+            struct passwd  Pwd;
+            struct passwd *pPwd = NULL;
+            rc = getpwuid_r(geteuid(), &Pwd, pchBuf, cbPwdMax, &pPwd);
+            if (!rc)
+            {
+                /*
+                 * Convert the name to UTF-8, assuming that we're getting it in the local codeset.
+                 */
+                rc = RTStrCurrentCPToUtf8(ppszUser, pPwd->pw_name);
+            }
+            else
+                rc = RTErrConvertFromErrno(rc);
+            RTMemFree(pchBuf);
+        }
+        else
+            rc = VERR_NO_TMP_MEMORY;
+    }
+    else
+        rc = VERR_NOT_SUPPORTED;
+    return rc;
+}
+