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Viewing changes to plugins.d/askpass-fifo.c

  • Committer: Teddy Hogeborn
  • Date: 2014-08-10 14:13:02 UTC
  • mto: (237.7.304 trunk)
  • mto: This revision was merged to the branch mainline in revision 323.
  • Revision ID: teddy@recompile.se-20140810141302-8q1xaaxlh8ho5joz
Emit D-Bus "org.freedesktop.DBus.Properties.PropertiesChanged" signal.

This deprecates the "se.recompile.Mandos.Client.PropertyChanged"
signal.  The new signal also adds support for noticing changes to the
"se.recompile.Mandos.Client.Secret" write-only property.

* mandos (dbus_annotations): Fix usage example in doc string.
  (DBusObjectWithProperties.PropertiesChanged): New; from D-Bus
                                                standard.
  (ClientDBus._interface): Set early instead of later.
  (ClientDBus.notifychangeproperty): Take new "invalidate_only"
                                     parameter, and pass in _interface
                                     as a default keyword argument.
  (ClientDBus.notifychangeproperty/setter): Also emit
                                            PropertiesChanged signal;
                                            emit new value or
                                            invalidation depending on
                                            "invalidate_only".
  (ClientDBus.secret): Apply notifychangeproperty with
                       "invalidate_only=True".
  (ClientDBus._foo): Removed defunct interface annotation.
  (ClientDBus.PropertyChanged): Add annotation; this method is now
                                deprecated.
  (main/MandosDBusService.GetAllClientsWithProperties): Use dictionary
                                                        comprehension.
* DBUS-API (Mandos Client Interface/Signals/PropertyChanged): Removed.
* mandos-monitor: Use standard "PropertiesChanged" signal instead of
                  old signal "PropertyChanged".
  (MandosClientPropertyCache.__init__): Connect to signal
                                        PropertiesChanged instead of
                                        PropertyChanged.
  (MandosClientPropertyCache._property_changed): Removed.
  (MandosClientPropertyCache.property_changed): Renamed to
                                                "properties_changed"
                                                and adapted to new
                                                call signature.
  (MandosClientWidget.properties_changed): - '' -

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/*
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 * Askpass-FIFO - Read a password from a FIFO and output it
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 * 
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 * Copyright © 2008-2012 Teddy Hogeborn
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 * Copyright © 2008-2012 Björn Påhlsson
 
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 * Copyright © 2008-2014 Teddy Hogeborn
 
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 * Copyright © 2008-2014 Björn Påhlsson
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 * 
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 * This program is free software: you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License as
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 */
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#define _GNU_SOURCE             /* TEMP_FAILURE_RETRY() */
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#include <sys/types.h>          /* ssize_t */
 
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#include <sys/types.h>          /* uid_t, gid_t, ssize_t */
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#include <sys/stat.h>           /* mkfifo(), S_IRUSR, S_IWUSR */
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#include <iso646.h>             /* and */
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#include <errno.h>              /* errno, EACCES, ENOTDIR, ELOOP,
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#include <string.h>             /* strerror() */
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#include <stdarg.h>             /* va_list, va_start(), ... */
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uid_t uid = 65534;
 
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gid_t gid = 65534;
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/* Function to use when printing errors */
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__attribute__((format (gnu_printf, 3, 4)))
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  va_start(ap, formatstring);
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  ret = vasprintf(&text, formatstring, ap);
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  if (ret == -1){
 
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  if(ret == -1){
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    fprintf(stderr, "Mandos plugin %s: ",
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            program_invocation_short_name);
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    vfprintf(stderr, formatstring, ap);
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  int ret = 0;
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  ssize_t sret;
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  uid = getuid();
 
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  gid = getgid();
 
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  /* Create FIFO */
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  const char passfifo[] = "/lib/cryptsetup/passfifo";
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  ret = mkfifo(passfifo, S_IRUSR | S_IWUSR);
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    }
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  }
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  /* Lower group privileges  */
 
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  if(setgid(gid) == -1){
 
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    error_plus(0, errno, "setgid");
 
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  }
 
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  /* Lower user privileges */
 
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  if(setuid(uid) == -1){
 
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    error_plus(0, errno, "setuid");
 
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  }
 
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  /* Read from FIFO */
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  char *buf = NULL;
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  size_t buf_len = 0;