181 lines
8.5 KiB
Diff
181 lines
8.5 KiB
Diff
diff --git a/include/iprt/mangling.h b/include/iprt/mangling.h
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index 991dd9e..defc781 100644
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--- a/include/iprt/mangling.h
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+++ b/include/iprt/mangling.h
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@@ -1802,6 +1802,7 @@
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# define RTPathStripSuffix RT_MANGLER(RTPathStripSuffix)
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# define RTPathStripFilename RT_MANGLER(RTPathStripFilename)
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# define RTPathStripTrailingSlash RT_MANGLER(RTPathStripTrailingSlash)
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+# define RTPathSuidDir RT_MANGLER(RTPathSuidDir)
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# define RTPathTemp RT_MANGLER(RTPathTemp)
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# define RTPathTraverseList RT_MANGLER(RTPathTraverseList)
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# define RTPathUnlink RT_MANGLER(RTPathUnlink)
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@@ -1842,6 +1843,7 @@
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# define RTProcGetAffinityMask RT_MANGLER(RTProcGetAffinityMask)
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# define RTProcGetExecutablePath RT_MANGLER(RTProcGetExecutablePath)
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# define RTProcGetPriority RT_MANGLER(RTProcGetPriority)
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+# define RTProcGetSuidPath RT_MANGLER(RTProcGetSuidPath)
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# define RTProcIsRunningByName RT_MANGLER(RTProcIsRunningByName)
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# define RTProcQueryParent RT_MANGLER(RTProcQueryParent)
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# define RTProcQueryUsername RT_MANGLER(RTProcQueryUsername)
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diff --git a/include/iprt/path.h b/include/iprt/path.h
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index 89bf8f6..5caa578 100644
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--- a/include/iprt/path.h
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+++ b/include/iprt/path.h
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@@ -1235,6 +1235,15 @@ RTDECL(int) RTPathCalcRelative(char *pszPathDst, size_t cbPathDst, const char *p
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*/
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RTDECL(int) RTPathExecDir(char *pszPath, size_t cchPath);
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+/**
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+ * Gets the path to the NixOS setuid wrappers directory.
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+ *
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+ * @returns iprt status code.
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+ * @param pszPath Buffer where to store the path.
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+ * @param cchPath Buffer size in bytes.
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+ */
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+RTDECL(int) RTPathSuidDir(char *pszPath, size_t cchPath);
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+
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/**
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* Gets the user home directory.
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*
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diff --git a/include/iprt/process.h b/include/iprt/process.h
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index 4ca981e..058ae7a 100644
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--- a/include/iprt/process.h
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+++ b/include/iprt/process.h
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@@ -384,6 +384,16 @@ RTR3DECL(const char *) RTProcExecutablePath(void);
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*/
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RTR3DECL(char *) RTProcGetExecutablePath(char *pszExecPath, size_t cbExecPath);
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+/**
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+ * Gets the path to the NixOS setuid wrappers directory.
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+ *
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+ * @returns pszExecPath on success. NULL on buffer overflow or other errors.
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+ *
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+ * @param pszExecPath Where to store the path.
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+ * @param cbExecPath The size of the buffer.
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+ */
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+RTR3DECL(char *) RTProcGetSuidPath(char *pszExecPath, size_t cbExecPath);
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+
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/**
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* Daemonize the current process, making it a background process.
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*
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diff --git a/src/VBox/HostDrivers/Support/SUPR3HardenedVerify.cpp b/src/VBox/HostDrivers/Support/SUPR3HardenedVerify.cpp
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index e78a397..ff5b541 100644
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--- a/src/VBox/HostDrivers/Support/SUPR3HardenedVerify.cpp
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+++ b/src/VBox/HostDrivers/Support/SUPR3HardenedVerify.cpp
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@@ -1541,9 +1541,9 @@ static int supR3HardenedVerifyFsObject(PCSUPR3HARDENEDFSOBJSTATE pFsObjState, bo
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bool fBad = !fRelaxed || pFsObjState->Stat.st_gid != 2 /*bin*/ || suplibHardenedStrCmp(pszPath, "/usr/lib/iconv");
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# else
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NOREF(fRelaxed);
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- bool fBad = true;
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+ bool fBad = !(fDir && pFsObjState->Stat.st_mode & S_ISVTX && !suplibHardenedStrCmp(pszPath, "/nix/store"));
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# endif
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- if (fBad)
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+ if (fBad && suplibHardenedStrCmp(pszPath, "/nix/store"))
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return supR3HardenedSetError3(VERR_SUPLIB_WRITE_NON_SYS_GROUP, pErrInfo,
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"An unknown (and thus untrusted) group has write access to '", pszPath,
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"' and we therefore cannot trust the directory content or that of any subdirectory");
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diff --git a/src/VBox/Main/src-all/MachineLaunchVMCommonWorker.cpp b/src/VBox/Main/src-all/MachineLaunchVMCommonWorker.cpp
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index 01d7a9f..e52a291 100644
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--- a/src/VBox/Main/src-all/MachineLaunchVMCommonWorker.cpp
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+++ b/src/VBox/Main/src-all/MachineLaunchVMCommonWorker.cpp
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@@ -100,7 +100,7 @@ int MachineLaunchVMCommonWorker(const Utf8Str &aNameOrId,
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/* Get the path to the executable directory w/ trailing slash: */
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char szPath[RTPATH_MAX];
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- int vrc = RTPathAppPrivateArch(szPath, sizeof(szPath));
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+ int vrc = RTStrCopy(szPath, sizeof(szPath) - 1, "/run/wrappers/bin");
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AssertRCReturn(vrc, vrc);
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size_t cbBufLeft = RTPathEnsureTrailingSeparator(szPath, sizeof(szPath));
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AssertReturn(cbBufLeft > 0, VERR_FILENAME_TOO_LONG);
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diff --git a/src/VBox/Main/src-server/NetworkServiceRunner.cpp b/src/VBox/Main/src-server/NetworkServiceRunner.cpp
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index 773d27f..874ec2d 100644
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--- a/src/VBox/Main/src-server/NetworkServiceRunner.cpp
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+++ b/src/VBox/Main/src-server/NetworkServiceRunner.cpp
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@@ -198,7 +198,7 @@ int NetworkServiceRunner::start(bool aKillProcessOnStop)
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* ASSUME it is relative to the directory that holds VBoxSVC.
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*/
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char szExePath[RTPATH_MAX];
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- AssertReturn(RTProcGetExecutablePath(szExePath, RTPATH_MAX), VERR_FILENAME_TOO_LONG);
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+ AssertReturn(RTProcGetSuidPath(szExePath, RTPATH_MAX), VERR_FILENAME_TOO_LONG);
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RTPathStripFilename(szExePath);
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int vrc = RTPathAppend(szExePath, sizeof(szExePath), m->pszProcName);
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AssertLogRelRCReturn(vrc, vrc);
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diff --git a/src/VBox/Main/src-server/generic/NetIf-generic.cpp b/src/VBox/Main/src-server/generic/NetIf-generic.cpp
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index 1e2eb61..893344c 100644
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--- a/src/VBox/Main/src-server/generic/NetIf-generic.cpp
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+++ b/src/VBox/Main/src-server/generic/NetIf-generic.cpp
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@@ -62,7 +62,7 @@ static int NetIfAdpCtl(const char * pcszIfName, const char *pszAddr, const char
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const char *args[] = { NULL, pcszIfName, pszAddr, pszOption, pszMask, NULL };
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char szAdpCtl[RTPATH_MAX];
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- int vrc = RTPathExecDir(szAdpCtl, sizeof(szAdpCtl) - sizeof("/" VBOXNETADPCTL_NAME));
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+ int vrc = RTPathSuidDir(szAdpCtl, sizeof(szAdpCtl) - sizeof("/" VBOXNETADPCTL_NAME));
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if (RT_FAILURE(vrc))
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{
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LogRel(("NetIfAdpCtl: failed to get program path, vrc=%Rrc.\n", vrc));
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@@ -109,7 +109,7 @@ static int NetIfAdpCtl(HostNetworkInterface * pIf, const char *pszAddr, const ch
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int NetIfAdpCtlOut(const char * pcszName, const char * pcszCmd, char *pszBuffer, size_t cBufSize)
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{
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char szAdpCtl[RTPATH_MAX];
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- int vrc = RTPathExecDir(szAdpCtl, sizeof(szAdpCtl) - sizeof("/" VBOXNETADPCTL_NAME " ") - strlen(pcszCmd));
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+ int vrc = RTPathSuidDir(szAdpCtl, sizeof(szAdpCtl) - sizeof("/" VBOXNETADPCTL_NAME " ") - strlen(pcszCmd));
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if (RT_FAILURE(vrc))
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{
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LogRel(("NetIfAdpCtlOut: Failed to get program path, vrc=%Rrc\n", vrc));
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@@ -224,7 +224,7 @@ int NetIfCreateHostOnlyNetworkInterface(VirtualBox *pVirtualBox,
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progress.queryInterfaceTo(aProgress);
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char szAdpCtl[RTPATH_MAX];
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- vrc = RTPathExecDir(szAdpCtl, sizeof(szAdpCtl) - sizeof("/" VBOXNETADPCTL_NAME " add"));
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+ vrc = RTPathSuidDir(szAdpCtl, sizeof(szAdpCtl) - sizeof("/" VBOXNETADPCTL_NAME " add"));
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if (RT_FAILURE(vrc))
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{
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progress->i_notifyComplete(E_FAIL,
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diff --git a/src/VBox/Runtime/r3/path.cpp b/src/VBox/Runtime/r3/path.cpp
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index bcd8deb..46ecd1e 100644
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--- a/src/VBox/Runtime/r3/path.cpp
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+++ b/src/VBox/Runtime/r3/path.cpp
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@@ -91,6 +91,12 @@ RTDECL(int) RTPathExecDir(char *pszPath, size_t cchPath)
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}
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+RTDECL(int) RTPathSuidDir(char *pszPath, size_t cchPath)
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+{
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+ return RTStrCopy(pszPath, cchPath, "/run/wrappers/bin");
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+}
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+
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+
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RTDECL(int) RTPathAppPrivateNoArch(char *pszPath, size_t cchPath)
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{
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#if !defined(RT_OS_WINDOWS) && defined(RTPATH_APP_PRIVATE)
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diff --git a/src/VBox/Runtime/r3/process.cpp b/src/VBox/Runtime/r3/process.cpp
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index f9d1ecf..042e599 100644
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--- a/src/VBox/Runtime/r3/process.cpp
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+++ b/src/VBox/Runtime/r3/process.cpp
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@@ -127,6 +127,25 @@ RTR3DECL(const char *) RTProcExecutablePath(void)
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return g_szrtProcExePath;
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}
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+/*
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+ * Note the / at the end! This is important, because the functions using this
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+ * will cut off everything after the rightmost / as this function is analogous
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+ * to RTProcGetExecutablePath().
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+ */
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+#define SUIDDIR "/run/wrappers/bin/"
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+
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+RTR3DECL(char *) RTProcGetSuidPath(char *pszExecPath, size_t cbExecPath)
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+{
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+ if (cbExecPath >= sizeof(SUIDDIR))
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+ {
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+ memcpy(pszExecPath, SUIDDIR, sizeof(SUIDDIR));
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+ pszExecPath[sizeof(SUIDDIR)] = '\0';
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+ return pszExecPath;
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+ }
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+
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+ AssertMsgFailed(("Buffer too small (%zu <= %zu)\n", cbExecPath, sizeof(SUIDDIR)));
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+ return NULL;
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+}
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RTR3DECL(const char *) RTProcShortName(void)
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{
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