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agent,dirmngr: New option --steal-socket

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* agent/gpg-agent.c (oStealSocket): New.
(opts): Add option.
(steal_socket): New file global var.
(main): Set option.
(create_server_socket): Implement option.

* dirmngr/dirmngr.c (oStealSocket): New.
(opts): Add option.
(steal_socket): New file global var.
(main): Set option.  Add comment to eventually implement it.
--

Note that --steal-socket has currently no effect on dirmngr because
dirmngr does this anway.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2021-11-13 14:46:19 +01:00
parent 6d52cb966e
commit dd708f60d5
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
3 changed files with 41 additions and 9 deletions
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28
agent/gpg-agent.c
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@ -118,6 +118,7 @@ enum cmd_and_opt_values
oEnablePassphraseHistory,
oDisableExtendedKeyFormat,
oEnableExtendedKeyFormat,
oStealSocket,
oUseStandardSocket,
oNoUseStandardSocket,
oExtraSocket,
@ -171,6 +172,7 @@ static gpgrt_opt_t opts[] = {
ARGPARSE_s_n (oNoDetach, "no-detach", N_("do not detach from the console")),
ARGPARSE_s_n (oSh, "sh", N_("sh-style command output")),
ARGPARSE_s_n (oCsh, "csh", N_("csh-style command output")),
ARGPARSE_s_n (oStealSocket, "steal-socket", "@"),
ARGPARSE_s_s (oDisplay, "display", "@"),
ARGPARSE_s_s (oTTYname, "ttyname", "@"),
ARGPARSE_s_s (oTTYtype, "ttytype", "@"),
@ -382,6 +384,9 @@ static int disable_check_own_socket;
/* Flag indicating that we are in supervised mode. */
static int is_supervised;
/* Flag indicating to start the daemon even if one already runs. */
static int steal_socket;
/* Flag to inhibit socket removal in cleanup. */
static int inhibit_socket_removal;
@ -1238,6 +1243,7 @@ main (int argc, char **argv)
case oSh: csh_style = 0; break;
case oServer: pipe_server = 1; break;
case oDaemon: is_daemon = 1; break;
case oStealSocket: steal_socket = 1; break;
case oSupervised: is_supervised = 1; break;
case oDisplay: default_display = xstrdup (pargs.r.ret_str); break;
@ -2239,14 +2245,20 @@ create_server_socket (char *name, int primary, int cygwin,
server is not yet operational; this would lead to a hang. */
if (primary && !check_for_running_agent (1))
{
log_set_prefix (NULL, GPGRT_LOG_WITH_PREFIX);
log_set_file (NULL);
log_error (_("a gpg-agent is already running - "
"not starting a new one\n"));
*name = 0; /* Inhibit removal of the socket by cleanup(). */
assuan_sock_close (fd);
xfree (unaddr);
agent_exit (2);
if (steal_socket)
log_info (N_("trying to steal socket from running %s\n"),
"gpg-agent");
else
{
log_set_prefix (NULL, GPGRT_LOG_WITH_PREFIX);
log_set_file (NULL);
log_error (_("a gpg-agent is already running - "
"not starting a new one\n"));
*name = 0; /* Inhibit removal of the socket by cleanup(). */
assuan_sock_close (fd);
xfree (unaddr);
agent_exit (2);
}
}
gnupg_remove (unaddr->sun_path);
rc = assuan_sock_bind (fd, addr, len);