* Nils Carlson ([email protected]) wrote:
> Set the mode when creating the personal socket directory,
> this way all app sockets are private.

Do we want to start supporting group "tracing" here ?

Mathieu

> 
> Signed-off-by: Nils Carlson <[email protected]>
> ---
>  libust/tracectl.c               |    2 +-
>  libustcomm/ustcomm.c            |   20 +++++++++++++-------
>  libustcomm/ustcomm.h            |    2 +-
>  libustconsumer/libustconsumer.c |    2 +-
>  4 files changed, 16 insertions(+), 10 deletions(-)
> 
> diff --git a/libust/tracectl.c b/libust/tracectl.c
> index ae92b7e..58b567f 100644
> --- a/libust/tracectl.c
> +++ b/libust/tracectl.c
> @@ -1236,7 +1236,7 @@ static struct ustcomm_sock * init_app_socket(int 
> epoll_fd)
>               goto free_dir_name;
>       }
>  
> -     result = ensure_dir_exists(dir_name);
> +     result = ensure_dir_exists(dir_name, S_IRWXU);
>       if (result == -1) {
>               ERR("Unable to create socket directory %s, UST thread bailing",
>                   dir_name);
> diff --git a/libustcomm/ustcomm.c b/libustcomm/ustcomm.c
> index 24a533d..c1f73ab 100644
> --- a/libustcomm/ustcomm.c
> +++ b/libustcomm/ustcomm.c
> @@ -587,28 +587,34 @@ free_dir_name:
>       return retval;
>  }
>  
> -int ensure_dir_exists(const char *dir)
> +int ensure_dir_exists(const char *dir, mode_t mode)
>  {
>       struct stat st;
>       int result;
>  
> -     if(!strcmp(dir, ""))
> +     if (!strcmp(dir, ""))
>               return -1;
>  
>       result = stat(dir, &st);
> -     if(result == -1 && errno != ENOENT) {
> +     if (result < 0 && errno != ENOENT) {
>               return -1;
> -     }
> -     else if(result == -1) {
> +     } else if (result < 0) {
>               /* ENOENT */
>               int result;
>  
> -             /* mkdir mode to 0777 */
> -             result = mkdir_p(dir, S_IRWXU | S_IRWXG | S_IRWXO);
> +             result = mkdir_p(dir, mode);
>               if(result != 0) {
>                       ERR("executing in recursive creation of directory %s", 
> dir);
>                       return -1;
>               }
> +     } else {
> +             if (st.st_mode != mode) {
> +                     result = chmod(dir, mode);
> +                     if (result < 0) {
> +                             ERR("couldn't set directory mode on %s", dir);
> +                             return -1;
> +                     }
> +             }
>       }
>  
>       return 0;
> diff --git a/libustcomm/ustcomm.h b/libustcomm/ustcomm.h
> index 8b4acf9..137fe5b 100644
> --- a/libustcomm/ustcomm.h
> +++ b/libustcomm/ustcomm.h
> @@ -119,7 +119,7 @@ struct ustcomm_notify_buf_mapped {
>  };
>  
>  /* Ensure directory existence, usefull for unix sockets */
> -extern int ensure_dir_exists(const char *dir);
> +extern int ensure_dir_exists(const char *dir, mode_t mode);
>  
>  /* Create and delete sockets */
>  extern struct ustcomm_sock * ustcomm_init_sock(int fd, int epoll_fd,
> diff --git a/libustconsumer/libustconsumer.c b/libustconsumer/libustconsumer.c
> index 8eb4424..eaee1fa 100644
> --- a/libustconsumer/libustconsumer.c
> +++ b/libustconsumer/libustconsumer.c
> @@ -846,7 +846,7 @@ static int init_ustconsumer_socket(struct 
> ustconsumer_instance *instance)
>               int result;
>  
>               /* Only check if socket dir exists if we are using the default 
> directory */
> -             result = ensure_dir_exists(SOCK_DIR);
> +             result = ensure_dir_exists(SOCK_DIR, S_IRWXU | S_IRWXG | 
> S_IRWXO);
>               if (result == -1) {
>                       ERR("Unable to create socket directory %s", SOCK_DIR);
>                       return -1;
> -- 
> 1.7.1
> 
> 
> _______________________________________________
> ltt-dev mailing list
> [email protected]
> http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
> 

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com

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