pts: Use memchr(3) instead of strchr(3) to extract hash algorithm name

The string read with read(2) might not be null terminated.

diff --git a/src/libpts/pts/pts_ima_event_list.c b/src/libpts/pts/pts_ima_event_list.c
index a237451ca5eeeea79441d0eb26e8a41e53666f17..9959fb3b381fec45ba068cff0de038b0c8c32ce6 100644 (file)
--- a/src/libpts/pts/pts_ima_event_list.c
+++ b/src/libpts/pts/pts_ima_event_list.c
@@ -252,7 +252,7 @@ pts_ima_event_list_t* pts_ima_event_list_create(char *file)
                        }
 
                        /* extract the hash algorithm name */
-                       pos = strchr(algo_digest, '\0');
+                       pos = memchr(algo_digest, '\0', algo_digest_len);
                        if (!pos)
                        {
                                error = "no algo field";