[git] GnuPG - branch, master, updated. gnupg-2.1.15-13-g2aa0701
by Werner Koch
cvs at cvs.gnupg.org
Mon Aug 29 11:53:25 CEST 2016
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- Log -----------------------------------------------------------------
commit 2aa0701013f703ad93e17da3345c493c08aa04ee
Author: Werner Koch <wk at gnupg.org>
Date: Mon Aug 29 11:45:47 2016 +0200
common: Add a default socket name feature.
* common/logging.c (log_set_socket_dir_cb): New.
(socket_dir_cb): New.
(set_file_fd): Allow "socket://".
(fun_writer): Implement default socket name.
* common/init.c (_init_common_subsystems): Register default socket.
--
This change allows the use of
log-file socket://
in any configuration file.
Signed-off-by: Werner Koch <wk at gnupg.org>
diff --git a/common/init.c b/common/init.c
index 591c854..8a86266 100644
--- a/common/init.c
+++ b/common/init.c
@@ -222,6 +222,9 @@ _init_common_subsystems (gpg_err_source_t errsource, int *argcp, char ***argvp)
/* --version et al shall use estream as well. */
argparse_register_outfnc (writestring_via_estream);
+
+ /* Logging shall use the standard socket directory as fallback. */
+ log_set_socket_dir_cb (gnupg_socketdir);
}
diff --git a/common/logging.c b/common/logging.c
index c70ba35..9a7ed1d 100644
--- a/common/logging.c
+++ b/common/logging.c
@@ -104,6 +104,7 @@ static int with_pid;
static int no_registry;
#endif
static int (*get_pid_suffix_cb)(unsigned long *r_value);
+static const char * (*socket_dir_cb)(void);
static int running_detached;
static int force_prefixes;
@@ -218,6 +219,7 @@ fun_writer (void *cookie_arg, const void *buffer, size_t size)
struct sockaddr_in srvr_addr_in;
#ifndef HAVE_W32_SYSTEM
struct sockaddr_un srvr_addr_un;
+ const char *name_for_err = "";
#endif
size_t addrlen;
struct sockaddr *srvr_addr = NULL;
@@ -237,23 +239,41 @@ fun_writer (void *cookie_arg, const void *buffer, size_t size)
pf = PF_INET;
}
#ifndef HAVE_W32_SYSTEM
- else if (!strncmp (name, "socket://", 9) && name[9])
+ else if (!strncmp (name, "socket://", 9))
name += 9;
#endif
if (af == AF_LOCAL)
{
-#ifdef HAVE_W32_SYSTEM
addrlen = 0;
-#else
+#ifndef HAVE_W32_SYSTEM
memset (&srvr_addr, 0, sizeof srvr_addr);
srvr_addr_un.sun_family = af;
- strncpy (srvr_addr_un.sun_path,
- name, sizeof (srvr_addr_un.sun_path)-1);
- srvr_addr_un.sun_path[sizeof (srvr_addr_un.sun_path)-1] = 0;
- srvr_addr = (struct sockaddr *)&srvr_addr_un;
- addrlen = SUN_LEN (&srvr_addr_un);
-#endif
+ if (!*name && (name = socket_dir_cb ()) && *name)
+ {
+ if (strlen (name) + 7 < sizeof (srvr_addr_un.sun_path)-1)
+ {
+ strncpy (srvr_addr_un.sun_path,
+ name, sizeof (srvr_addr_un.sun_path)-1);
+ strcat (srvr_addr_un.sun_path, "/S.log");
+ srvr_addr_un.sun_path[sizeof (srvr_addr_un.sun_path)-1] = 0;
+ srvr_addr = (struct sockaddr *)&srvr_addr_un;
+ addrlen = SUN_LEN (&srvr_addr_un);
+ name_for_err = srvr_addr_un.sun_path;
+ }
+ }
+ else
+ {
+ if (*name && strlen (name) < sizeof (srvr_addr_un.sun_path)-1)
+ {
+ strncpy (srvr_addr_un.sun_path,
+ name, sizeof (srvr_addr_un.sun_path)-1);
+ srvr_addr_un.sun_path[sizeof (srvr_addr_un.sun_path)-1] = 0;
+ srvr_addr = (struct sockaddr *)&srvr_addr_un;
+ addrlen = SUN_LEN (&srvr_addr_un);
+ }
+ }
+#endif /*!HAVE_W32SYSTEM*/
}
else
{
@@ -352,8 +372,8 @@ fun_writer (void *cookie_arg, const void *buffer, size_t size)
{
if (!cookie->quiet && !running_detached
&& isatty (es_fileno (es_stderr)))
- es_fprintf (es_stderr, "can't connect to '%s': %s\n",
- cookie->name, strerror(errno));
+ es_fprintf (es_stderr, "can't connect to '%s%s': %s\n",
+ cookie->name, name_for_err, strerror(errno));
sock_close (cookie->fd);
cookie->fd = -1;
}
@@ -462,7 +482,7 @@ set_file_fd (const char *name, int fd)
if (name && !strncmp (name, "tcp://", 6) && name[6])
want_socket = 1;
#ifndef HAVE_W32_SYSTEM
- else if (name && !strncmp (name, "socket://", 9) && name[9])
+ else if (name && !strncmp (name, "socket://", 9))
want_socket = 2;
#endif /*HAVE_W32_SYSTEM*/
#ifdef HAVE_W32CE_SYSTEM
@@ -554,6 +574,15 @@ log_set_fd (int fd)
}
+/* Set a function to retrieve the directory name of a socket if
+ * only "socket://" has been given to log_set_file. */
+void
+log_set_socket_dir_cb (const char *(*fnc)(void))
+{
+ socket_dir_cb = fnc;
+}
+
+
void
log_set_pid_suffix_cb (int (*cb)(unsigned long *r_value))
{
diff --git a/common/logging.h b/common/logging.h
index 2f0b504..165a573 100644
--- a/common/logging.h
+++ b/common/logging.h
@@ -42,6 +42,7 @@ int log_get_errorcount (int clear);
void log_inc_errorcount (void);
void log_set_file( const char *name );
void log_set_fd (int fd);
+void log_set_socket_dir_cb (const char *(*fnc)(void));
void log_set_pid_suffix_cb (int (*cb)(unsigned long *r_value));
void log_set_prefix (const char *text, unsigned int flags);
const char *log_get_prefix (unsigned int *flags);
diff --git a/doc/dirmngr.texi b/doc/dirmngr.texi
index d52fb89..b6b70ea 100644
--- a/doc/dirmngr.texi
+++ b/doc/dirmngr.texi
@@ -163,7 +163,8 @@ verbose commands to @sc{dirmngr}, such as @option{-vv}.
@item --log-file @var{file}
@opindex log-file
Append all logging output to @var{file}. This is very helpful in
-seeing what the agent actually does.
+seeing what the agent actually does. Use @file{socket://} to log to
+socket.
@item --debug-level @var{level}
@opindex debug-level
diff --git a/doc/gpg-agent.texi b/doc/gpg-agent.texi
index b481dd6..b890c21 100644
--- a/doc/gpg-agent.texi
+++ b/doc/gpg-agent.texi
@@ -312,11 +312,12 @@ should in general not be used to avoid X-sniffing attacks.
@item --log-file @var{file}
@opindex log-file
@efindex HKCU\Software\GNU\GnuPG:DefaultLogFile
-Append all logging output to @var{file}. This is very helpful in seeing
-what the agent actually does. If neither a log file nor a log file
-descriptor has been set on a Windows platform, the Registry entry
- at code{HKCU\Software\GNU\GnuPG:DefaultLogFile}, if set, is used to specify
-the logging output.
+Append all logging output to @var{file}. This is very helpful in
+seeing what the agent actually does. Use @file{socket://} to log to
+socket. If neither a log file nor a log file descriptor has been set
+on a Windows platform, the Registry entry
+ at code{HKCU\Software\GNU\GnuPG:DefaultLogFile}, if set, is used to
+specify the logging output.
@anchor{option --no-allow-mark-trusted}
diff --git a/doc/gpg.texi b/doc/gpg.texi
index fbcaa15..68b21b6 100644
--- a/doc/gpg.texi
+++ b/doc/gpg.texi
@@ -2697,9 +2697,8 @@ Write log output to file descriptor @code{n} and not to STDERR.
@item --log-file @code{file}
@itemx --logger-file @code{file}
@opindex log-file
-Same as @option{--logger-fd}, except the logger data is written to file
- at code{file}. Note that @option{--log-file} is only implemented for
-GnuPG-2.
+Same as @option{--logger-fd}, except the logger data is written to
+file @code{file}. Use @file{socket://} to log to socket.
@item --attribute-fd @code{n}
@opindex attribute-fd
diff --git a/doc/gpgsm.texi b/doc/gpgsm.texi
index dae26b2..7cee0f3 100644
--- a/doc/gpgsm.texi
+++ b/doc/gpgsm.texi
@@ -384,6 +384,7 @@ Do not print a warning when the so called "secure memory" cannot be used.
@item --log-file @var{file}
@opindex log-file
When running in server mode, append all logging output to @var{file}.
+Use @file{socket://} to log to socket.
@end table
diff --git a/doc/scdaemon.texi b/doc/scdaemon.texi
index c145814..85a80f0 100644
--- a/doc/scdaemon.texi
+++ b/doc/scdaemon.texi
@@ -239,7 +239,8 @@ debugging.
@item --log-file @var{file}
@opindex log-file
Append all logging output to @var{file}. This is very helpful in
-seeing what the agent actually does.
+seeing what the agent actually does. Use @file{socket://} to log to
+socket.
@item --pcsc-driver @var{library}
diff --git a/doc/tools.texi b/doc/tools.texi
index d6cf56e..18f5d77 100644
--- a/doc/tools.texi
+++ b/doc/tools.texi
@@ -103,12 +103,14 @@ This waits for connections on the local socket
@file{/home/foo/.gnupg/S.log} and shows all log entries. To make this
work the option @option{log-file} needs to be used with all modules
which logs are to be shown. The value for that option must be given
-with a special prefix (e.g. in the conf file):
+with a special prefix (e.g. in the conf files):
@example
log-file socket:///home/foo/.gnupg/S.log
@end example
+If only @code{socket://} is used a default socket file named
+ at file{S.log} in the standard socket directory is used.
For debugging purposes it is also possible to do remote logging. Take
care if you use this feature because the information is send in the
clear over the network. Use this syntax in the conf files:
@@ -1737,8 +1739,8 @@ Try to be as quiet as possible.
@item --log-file @var{file}
@opindex log-file
-Append all logging output to @var{file}. Default is to write logging
-information to STDERR.
+Append all logging output to @var{file}. Use @file{socket://} to log
+to socket. Default is to write logging information to STDERR.
@end table
-----------------------------------------------------------------------
Summary of changes:
common/init.c | 3 +++
common/logging.c | 53 +++++++++++++++++++++++++++++++++++++++++------------
common/logging.h | 1 +
doc/dirmngr.texi | 3 ++-
doc/gpg-agent.texi | 11 ++++++-----
doc/gpg.texi | 5 ++---
doc/gpgsm.texi | 1 +
doc/scdaemon.texi | 3 ++-
doc/tools.texi | 8 +++++---
9 files changed, 63 insertions(+), 25 deletions(-)
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