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  • Committer: Teddy Hogeborn
  • Date: 2019-11-03 18:44:41 UTC
  • Revision ID: teddy@recompile.se-20191103184441-1vhjuf06hjqgfohh
mandos-monitor: Use Python's standard loggging module

* mandos-monitor: Use Python's standard loggging module, also for
                  warnings.  Suppress BytesWarning from urwid when
                  exiting.
  (log): New global logger object.  This replaces UserInterface
        log_message().
  (MandosClientWidget.__init__): Remove "logger" argument.
  (MandosClientWidget.using_timer): Wrap self.update_timer using new
                                    glib_safely() function.
  (glib_safely): New function to log any exceptions instead of letting
                 exceptions propagate up to GLib.
  (UserInterface.__init__): Remove "log_level" argument.  Set new
                            "loghandler" attribute, instance of new
                            "UILogHandler".
  (UserInterface.log_message): Removed.
  (UserInterface.log_message_raw): Renamed to "add_log_line"; all
                                   callers changed.  Also fix
                                   off-by-one error in max_log_length
                                   logic.
  (UserInterface.run): Add self.loghandler to logger "log". Wrap
                       self.process_input using new glib_safely()
                       function.
  (UserInterface.stop): Remove self.loghandler from logger "log".
  (UserInterface.process_input): Make verbosity toggle affect log
                                 level of logger "log".
  (UILogHandler): New.

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Lines of Context:
plugin-runner.c
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#define _GNU_SOURCE             /* TEMP_FAILURE_RETRY(), getline(),
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                                   O_CLOEXEC, pipe2() */
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#include <stddef.h>             /* size_t, NULL */
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#include <stdlib.h>             /* malloc(), reallocarray(), realloc(),
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                                   EXIT_SUCCESS, exit() */
 
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#include <stdlib.h>             /* malloc(), exit(), EXIT_SUCCESS,
 
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                                   realloc() */
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#include <stdbool.h>            /* bool, true, false */
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#include <stdio.h>              /* fileno(), fprintf(),
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                                   stderr, STDOUT_FILENO, fclose() */
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  /* Resize the pointed-to array to hold one more pointer */
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  char **new_array = NULL;
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  do {
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#if defined(__GLIBC_PREREQ) and __GLIBC_PREREQ(2, 26)
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    new_array = reallocarray(*array, (size_t)((*len) + 2),
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                             sizeof(char *));
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#else
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    if(((size_t)((*len) + 2)) > (SIZE_MAX / sizeof(char *))){
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      /* overflow */
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      new_array = NULL;
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      errno = ENOMEM;
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    } else {
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      new_array = realloc(*array, (size_t)((*len) + 2)
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                          * sizeof(char *));
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    }
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#endif
 
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    new_array = realloc(*array, sizeof(char *)
 
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                        * (size_t) ((*len) + 2));
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  } while(new_array == NULL and errno == EINTR);
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  /* Malloc check */
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  if(new_array == NULL){
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        custom_argc += 1;
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        {
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#if defined(__GLIBC_PREREQ) and __GLIBC_PREREQ(2, 26)
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          char **new_argv = reallocarray(custom_argv, (size_t)custom_argc + 1,
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                                         sizeof(char *));
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#else
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          char **new_argv = NULL;
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          if(((size_t)custom_argc + 1) > (SIZE_MAX / sizeof(char *))){
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            /* overflow */
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            errno = ENOMEM;
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          } else {
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            new_argv = realloc(custom_argv, ((size_t)custom_argc + 1)
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                               * sizeof(char *));
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          }
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#endif
 
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          char **new_argv = realloc(custom_argv, sizeof(char *)
 
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                                    * ((size_t)custom_argc + 1));
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          if(new_argv == NULL){
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            error(0, errno, "reallocarray");
 
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            error(0, errno, "realloc");
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            exitstatus = EX_OSERR;
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            free(new_arg);
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            free(org_line);