diff options
Diffstat (limited to 'src/lib/dlt_user.c')
-rw-r--r-- | src/lib/dlt_user.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/lib/dlt_user.c b/src/lib/dlt_user.c index 10675b9..afc232b 100644 --- a/src/lib/dlt_user.c +++ b/src/lib/dlt_user.c @@ -152,6 +152,28 @@ int dlt_init(void) memset(&(dlt_user.dlt_shm),0,sizeof(DltShm)); #endif + /* create dlt pipes directory */ + ret=mkdir(DLT_USER_DIR, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH | S_ISVTX ); + if (ret==-1 && errno != EEXIST) + { + snprintf(str,DLT_USER_BUFFER_LENGTH,"FIFO user dir %s cannot be created!\n", DLT_USER_DIR); + dlt_log(LOG_ERR, str); + return -1; + } + + /* if dlt pipes directory is created by the application also chmod the directory */ + if(ret == 0) + { + // S_ISGID cannot be set by mkdir, let's reassign right bits + ret=chmod(DLT_USER_DIR, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP | S_IROTH | S_IWOTH | S_IXOTH | S_ISGID | S_ISVTX ); + if (ret==-1) + { + snprintf(str,DLT_USER_BUFFER_LENGTH,"FIFO user dir %s cannot be chmoded!\n", DLT_USER_DIR); + dlt_log(LOG_ERR, str); + return -1; + } + } + /* create and open DLT user FIFO */ snprintf(filename,DLT_USER_MAX_FILENAME_LENGTH,"%s/dlt%d",DLT_USER_DIR,getpid()); |