Changeset 93019 in vbox

Timestamp:

Dec 17, 2021 2:52:57 PM (3 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

149013

Message:

iprt: local ipc server: add interface to grant r/w access to a server socket for a specified group, bugref:10134.

Location:

trunk

Files:

• include/iprt/localipc.h (modified) (1 diff)
• include/iprt/mangling.h (modified) (1 diff)
• src/VBox/Runtime/r3/posix/localipc-posix.cpp (modified) (2 diffs)
• src/VBox/Runtime/r3/win/localipc-win.cpp (modified) (1 diff)

trunk/include/iprt/localipc.h

@@ -96 +96 @@
 
 /**
+ * Grant the specified group access to the local IPC server socket.
+ *
+ * @returns IPRT status code.
+ * @param   hServer     The server handle.
+ * @param   gid         Group ID.
+ */
+RTDECL(int) RTLocalIpcServerGrantGroupAccess(RTLOCALIPCSERVER hServer, RTGID gid);
+
+/**
  * Listen for clients.
  *

trunk/include/iprt/mangling.h

@@ -1350 +1350 @@
 # define RTLocalIpcServerCreate                         RT_MANGLER(RTLocalIpcServerCreate)
 # define RTLocalIpcServerDestroy                        RT_MANGLER(RTLocalIpcServerDestroy)
+# define RTLocalIpcServerGrantGroupAccess               RT_MANGLER(RTLocalIpcServerGrantGroupAccess)
 # define RTLocalIpcServerCancel                         RT_MANGLER(RTLocalIpcServerCancel)
 # define RTLocalIpcServerListen                         RT_MANGLER(RTLocalIpcServerListen)

trunk/src/VBox/Runtime/r3/posix/localipc-posix.cpp

@@ -55 +55 @@
 #include <signal.h>
 #include <unistd.h>
+#include <sys/stat.h>
 
 #include "internal/magics.h"
@@ -270 +271 @@
     Log(("RTLocalIpcServerCreate: failed, rc=%Rrc\n", rc));
     return rc;
+}
+
+
+
+RTDECL(int) RTLocalIpcServerGrantGroupAccess(RTLOCALIPCSERVER hServer, RTGID gid)
+{
+    PRTLOCALIPCSERVERINT pThis = (PRTLOCALIPCSERVERINT)hServer;
+
+    AssertReturn(pThis,                VERR_INVALID_PARAMETER);
+    AssertReturn(pThis->Name.sun_path, VERR_INVALID_PARAMETER);
+
+    if (chown(pThis->Name.sun_path, -1, gid) == 0)
+    {
+        if (chmod(pThis->Name.sun_path, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP) == 0)
+        {
+            LogRel(("RTLocalIpcServerGrantGroupAccess: IPC socket %s access has been granted to group %RTgid\n",
+                    pThis->Name.sun_path, gid));
+
+            return VINF_SUCCESS;
+        }
+        else
+            LogRel(("RTLocalIpcServerGrantGroupAccess: cannot grant IPC socket %s write permission to group %RTgid, rc=%Rrc\n",
+                    pThis->Name.sun_path, gid, RTErrConvertFromErrno(errno)));
+    }
+    else
+        LogRel(("RTLocalIpcServerGrantGroupAccess: cannot change IPC socket %s group ownership to %RTgid, rc=%Rrc\n",
+                pThis->Name.sun_path, gid, RTErrConvertFromErrno(errno)));
+
+    return VERR_ACCESS_DENIED;
 }
 

trunk/src/VBox/Runtime/r3/win/localipc-win.cpp

@@ -564 +564 @@
 
     return rtLocalIpcServerReleaseAndUnlock(pThis);
+}
+
+
+RTDECL(int) RTLocalIpcServerGrantGroupAccess(RTLOCALIPCSERVER hServer, RTGID gid)
+{
+    RT_NOREF_PV(hServer); RT_NOREF(gid);
+    return VERR_NOT_SUPPORTED;
 }