Hurd: account for setgroups() being callable unprivileged

[users/jgh/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 22a721d5217bdbf9b4ec2d6d08404de61a783664..9c7f442e5b4e974d51f49cd2ba64b94a5be1ec56 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 - 2009 */
+/* 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. */
 
 


@@ -613,8 +613,7 @@ message_subdir[1] = 0;
 constructing file names and things. This call will initialize
 the store_get() function. */
 
 constructing file names and things. This call will initialize
 the store_get() function. */
 

-big_buffer_size = 1024;
-big_buffer = store_get(big_buffer_size);
+big_buffer = store_get(big_buffer_size, FALSE);

 
 /* Set up the version string and date and output them */
 
 
 /* Set up the version string and date and output them */
 


@@ -632,7 +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 */


@@ -654,7 +653,9 @@ today.) */
 
 if (log_file[0] != 0)
   {
 
 if (log_file[0] != 0)
   {

-  (void)string_format(log_file_open, sizeof(log_file_open), CS log_file);
+  /* Do *not* use "%s" here, we need the %D datestamp in the log_file to
+  be expanded! */
+  (void)string_format(log_file_open, sizeof(log_file_open), CS log_file, NULL);

   log_datestamping = string_datestamp_offset >= 0;
 
   LOG = fopen(CS log_file_open, "r");
   log_datestamping = string_datestamp_offset >= 0;
 
   LOG = fopen(CS log_file_open, "r");


@@ -668,8 +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