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| author | Thiago Macieira <thiago.macieira@intel.com> | 2012-12-22 16:32:12 (GMT) |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2013-01-18 06:05:19 (GMT) |
| commit | 20b26bdb3dd5e46b01b9a7e1ce8342074df3c89c (patch) | |
| tree | eb185bea4efd92b789c569e1038b5f4218fae321 /src/corelib/kernel | |
| parent | 0e8030bf479eb08bb718899f698a3f513eb36844 (diff) | |
| download | Qt-20b26bdb3dd5e46b01b9a7e1ce8342074df3c89c.zip Qt-20b26bdb3dd5e46b01b9a7e1ce8342074df3c89c.tar.gz Qt-20b26bdb3dd5e46b01b9a7e1ce8342074df3c89c.tar.bz2 | |
Change all shmget calls to user-only memory
Drop the read and write permissions for group and other users in the
system.
Change-Id: I8fc753f09126651af3fb82df3049050f0b14e876
(cherry-picked from Qt 5 commit 856f209fb63ae336bfb389a12d2a75fa886dc1c5)
Reviewed-by: Richard J. Moore <rich@kde.org>
Diffstat (limited to 'src/corelib/kernel')
| -rw-r--r-- | src/corelib/kernel/qsharedmemory_unix.cpp | 6 | ||||
| -rw-r--r-- | src/corelib/kernel/qsystemsemaphore_unix.cpp | 4 |
2 files changed, 5 insertions, 5 deletions
diff --git a/src/corelib/kernel/qsharedmemory_unix.cpp b/src/corelib/kernel/qsharedmemory_unix.cpp index 20d76e3..4cf3acf 100644 --- a/src/corelib/kernel/qsharedmemory_unix.cpp +++ b/src/corelib/kernel/qsharedmemory_unix.cpp @@ -238,7 +238,7 @@ bool QSharedMemoryPrivate::create(int size) } // create - if (-1 == shmget(unix_key, size, 0666 | IPC_CREAT | IPC_EXCL)) { + if (-1 == shmget(unix_key, size, 0600 | IPC_CREAT | IPC_EXCL)) { QString function = QLatin1String("QSharedMemory::create"); switch (errno) { case EINVAL: @@ -293,7 +293,7 @@ bool QSharedMemoryPrivate::attach(QSharedMemory::AccessMode mode) { #ifndef QT_POSIX_IPC // grab the shared memory segment id - int id = shmget(unix_key, 0, (mode == QSharedMemory::ReadOnly ? 0444 : 0660)); + int id = shmget(unix_key, 0, (mode == QSharedMemory::ReadOnly ? 0400 : 0600)); if (-1 == id) { setErrorString(QLatin1String("QSharedMemory::attach (shmget)")); return false; @@ -381,7 +381,7 @@ bool QSharedMemoryPrivate::detach() size = 0; // Get the number of current attachments - int id = shmget(unix_key, 0, 0444); + int id = shmget(unix_key, 0, 0400); cleanHandle(); struct shmid_ds shmid_ds; diff --git a/src/corelib/kernel/qsystemsemaphore_unix.cpp b/src/corelib/kernel/qsystemsemaphore_unix.cpp index fad9acc..e77456b 100644 --- a/src/corelib/kernel/qsystemsemaphore_unix.cpp +++ b/src/corelib/kernel/qsystemsemaphore_unix.cpp @@ -153,10 +153,10 @@ key_t QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode mode) } // Get semaphore - semaphore = semget(unix_key, 1, 0666 | IPC_CREAT | IPC_EXCL); + semaphore = semget(unix_key, 1, 0600 | IPC_CREAT | IPC_EXCL); if (-1 == semaphore) { if (errno == EEXIST) - semaphore = semget(unix_key, 1, 0666 | IPC_CREAT); + semaphore = semget(unix_key, 1, 0600 | IPC_CREAT); if (-1 == semaphore) { setErrorString(QLatin1String("QSystemSemaphore::handle")); cleanHandle(); |