1 files changed, 8 insertions, 4 deletions

diff --git a/plugins/check_smtp.c b/plugins/check_smtp.c
index 5001b502..a7a07838 100644
--- a/plugins/check_smtp.c
+++ b/plugins/check_smtp.c
@@ -582,22 +582,26 @@ process_arguments (int argc, char **argv)
                         break;
                 case 'C':                                                                       /* commands  */
                         if (ncommands >= command_size) {
-                                commands = realloc (commands, command_size+8);
+                                command_size+=8;
+                                commands = realloc (commands, sizeof(char *) * command_size);
                                 if (commands == NULL)
                                         die (STATE_UNKNOWN,
                                              _("Could not realloc() units [%d]\n"), ncommands);
                         }
-                        commands[ncommands] = optarg;
+                        commands[ncommands] = (char *) malloc (sizeof(char) * 255);
+                        strncpy (commands[ncommands], optarg, 255);
                         ncommands++;
                         break;
                 case 'R':                                                                       /* server responses */
                         if (nresponses >= response_size) {
-                                responses = realloc (responses, response_size+8);
+                                response_size += 8;
+                                responses = realloc (responses, sizeof(char *) * response_size);
                                 if (responses == NULL)
                                         die (STATE_UNKNOWN,
                                              _("Could not realloc() units [%d]\n"), nresponses);
                         }
-                        responses[nresponses] = optarg;
+                        responses[nresponses] = (char *) malloc (sizeof(char) * 255);
+                        strncpy (responses[nresponses], optarg, 255);
                         nresponses++;
                         break;
                 case 'c':                                                                       /* critical time threshold */