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  • Committer: Teddy Hogeborn
  • Date: 2014-03-23 19:24:40 UTC
  • Revision ID: teddy@recompile.se-20140323192440-d71iiqxebsxf9u2v
Update GCC warning flags and function attributes to GCC 4.7.

* Makefile (WARN): Update to include almost all warning flags.
* plugin-runner.c (getplugin, add_to_char_array, add_argument,
                   add_environment, set_cloexec_flag,
                   print_out_password): Add attribute
                                        "warn_unused_result".
  (main/parse_opt): Bug fix: Add error checking to --global-env,
                    --env-for, --plugin-dir, and --config-file, and
                    make sure errno does not "leak" from unrelated
                    functions.
* plugins.d/mandos-client.c
  (fprintf_plus, debuggnutls, resolve_callback): Add "nonnull"
                                                 attribute.
  (incbuffer, add_server, init_gpgme): Add "nonnull" and
                                       "warn_unused_result"
                                       attributes.
  (pgp_packet_decrypt, init_gnutls_global): - '' -
  (init_gnutls_session start_mandos_communication, get_flags): - '' -
  (good_flags, good_interface, interface_is_up): - '' -
  (interface_is_running, runnable_hook): - '' -
  (avahi_loop_with_timeout, bring_up_interface): : - '' -
  (safer_gnutls_strerror): Add "warn_unused_result" attribute.
  (notdotentries): Set "nonnull", "pure", and "warn_unused_result"
                   attributes.
  (raise_privileges, raise_privileges_permanently, lower_privileges,
  lower_privileges_permanently): Set "warn_unused_result" attribute.
  (run_network_hooks): Exit child process if it fails to do anything
                       it needs to do.  Make explicit cast to double
                       when passing float value to asprintf().  Change
                       return type to void - all callers changed.
  (bring_up_interface): Move variables "sd", "ret_errno", and
                        "ret_setflags" to innermost scope.  Bug fix:
                        Fail if could not get interface flags also in
                        non-debug mode, and restore old errno
                        correctly.  Print message if could not raise
                        (or later lower) privileges.
  (take_down_interface): Bug fix: When failing because it could not
                         get interface flags, restore old errno
                         correctly.  Print message if it could not
                         raise (or later lower) privileges.
  (main): Complain if failed to raise or lower privileges.  Only run
          network hooks or lower privileges if raising privileges was
          successful.

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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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        "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY COMMANDNAME "mandos-client">
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<!ENTITY TIMESTAMP "2013-10-20">
 
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<!ENTITY TIMESTAMP "2014-03-05">
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<!ENTITY % common SYSTEM "../common.ent">
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%common;
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]>
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      <year>2009</year>
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      <year>2012</year>
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      <year>2013</year>
 
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      <year>2014</year>
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      <holder>Teddy Hogeborn</holder>
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      <holder>Björn Påhlsson</holder>
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    </copyright>
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            assumed to separate the address from the port number.
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          </para>
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          <para>
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            This option is normally only useful for testing and
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            debugging.
 
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            Normally, Zeroconf would be used to locate Mandos servers,
 
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            in which case this option would only be used when testing
 
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            and debugging.
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          </para>
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        </listitem>
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      </varlistentry>
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          <para>
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            <replaceable>NAME</replaceable> can be the string
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            <quote><literal>none</literal></quote>; this will make
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            <command>&COMMANDNAME;</command> not bring up
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            <emphasis>any</emphasis> interfaces specified
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            <emphasis>after</emphasis> this string.  This is not
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            recommended, and only meant for advanced users.
 
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            <command>&COMMANDNAME;</command> only bring up interfaces
 
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            specified <emphasis>before</emphasis> this string.  This
 
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            is not recommended, and only meant for advanced users.
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          </para>
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        </listitem>
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      </varlistentry>