X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=afs.c;h=0b24a3b8cdb7c53f70b09bba317f9afe523d9320;hp=bd705050d328a23dda1b9610c3c5dd5d9dcb483d;hb=e74b1d28a18c3ddd00ab697618b437aaf05b1f64;hpb=b4418a6993c2c146c6da048d027254c8dd56799e

diff --git a/afs.c b/afs.c
index bd705050..0b24a3b8 100644
--- a/afs.c
+++ b/afs.c
@@ -97,10 +97,11 @@ static char *current_mop; /* mode or playlist specifier. NULL means dummy mood *
 /**
  * A random number used to "authenticate" the connection.
  *
- * para_server picks this number by random before forking the afs process.  The
- * command handlers write this number together with the id of the shared memory
- * area containing the query. This way, a malicious local user has to know this
- * number to be able to cause the afs process to crash by sending fake queries.
+ * para_server picks this number by random before it forks the afs process. The
+ * command handlers know this number as well and write it to the afs socket,
+ * together with the id of the shared memory area which contains the payload of
+ * the afs command. A local process has to know this number to abuse the afs
+ * service provided by the local socket.
  */
 extern uint32_t afs_socket_cookie;
 
@@ -423,7 +424,7 @@ static int pass_afd(int fd, char *buf, size_t size)
 {
 	struct msghdr msg = {.msg_iov = NULL};
 	struct cmsghdr *cmsg;
-	char control[255];
+	char control[255] __a_aligned(8);
 	int ret;
 	struct iovec iov;
 
@@ -501,7 +502,6 @@ static int activate_mood_or_playlist(char *arg, int *num_admissible)
 	enum play_mode mode;
 	int ret;
 
-	PARA_INFO_LOG("new playlist: %s\n", arg);
 	if (!arg) {
 		ret = change_current_mood(NULL); /* always successful */
 		mode = PLAY_MODE_MOOD;
@@ -693,7 +693,7 @@ static int make_database_dir(void)
 
 	get_database_dir();
 	ret = para_mkdir(database_dir, 0777);
-	if (ret >= 0 || is_errno(-ret, EEXIST))
+	if (ret >= 0 || ret == -ERRNO_TO_PARA_ERROR(EEXIST))
 		return 1;
 	return ret;
 }