Fix crash from SRV lookup hitting a CNAME

[exim.git] / src / exim_monitor / em_main.c

diff --git a/src/exim_monitor/em_main.c b/src/exim_monitor/em_main.c
index 69354c0862e0b88469ed546c84d5d4ef247b0490..7aa760eb3e2d5e7f19b3eac7671ce01638f77c0e 100644 (file)
--- a/src/exim_monitor/em_main.c
+++ b/src/exim_monitor/em_main.c
@@ -2,7 +2,7 @@
 *                  Exim Monitor                  *
 *************************************************/
 
 *                  Exim Monitor                  *
 *************************************************/
 

-/* Copyright (c) University of Cambridge 1995 - 2014 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */

 /* See the file NOTICE for conditions of use and distribution. */
 
 
 /* See the file NOTICE for conditions of use and distribution. */
 
 


@@ -631,7 +631,7 @@ signal(SIGCHLD, sigchld_handler);
 
 /* Get the buffer for storing the string for the log display. */
 
 
 /* Get the buffer for storing the string for the log display. */
 

-log_display_buffer = (uschar *)store_malloc(log_buffer_size);
+log_display_buffer = US store_malloc(log_buffer_size);

 log_display_buffer[0] = 0;
 
 /* Initialize the data structures for the stripcharts */
 log_display_buffer[0] = 0;
 
 /* Initialize the data structures for the stripcharts */


@@ -669,8 +669,14 @@ if (log_file[0] != 0)
     {
     fseek(LOG, 0, SEEK_END);
     log_position = ftell(LOG);
     {
     fseek(LOG, 0, SEEK_END);
     log_position = ftell(LOG);

-    fstat(fileno(LOG), &statdata);
-    log_inode = statdata.st_ino;
+    if (fstat(fileno(LOG), &statdata))
+      {
+      perror("log file fstat");
+      fclose(LOG);
+      LOG=NULL;
+      }
+    else
+      log_inode = statdata.st_ino;

     }
   }
 else
     }
   }
 else