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-rw-r--r--sm/server.c1508
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diff --git a/sm/server.c b/sm/server.c
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+++ b/sm/server.c
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+/* server.c - Server mode and main entry point
+ * Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
+ * 2010 Free Software Foundation, Inc.
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuPG is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <ctype.h>
+#include <unistd.h>
+
+#include "gpgsm.h"
+#include <assuan.h>
+#include "../common/sysutils.h"
+#include "../common/server-help.h"
+#include "../common/asshelp.h"
+#include "../common/shareddefs.h"
+
+#define set_error(e,t) assuan_set_error (ctx, gpg_error (e), (t))
+
+
+/* The filepointer for status message used in non-server mode */
+static FILE *statusfp;
+
+/* Data used to assuciate an Assuan context with local server data */
+struct server_local_s {
+ assuan_context_t assuan_ctx;
+ int message_fd;
+ int list_internal;
+ int list_external;
+ int list_to_output; /* Write keylistings to the output fd. */
+ int enable_audit_log; /* Use an audit log. */
+ certlist_t recplist;
+ certlist_t signerlist;
+ certlist_t default_recplist; /* As set by main() - don't release. */
+ int allow_pinentry_notify; /* Set if pinentry notifications should
+ be passed back to the client. */
+ int no_encrypt_to; /* Local version of option. */
+};
+
+
+/* Cookie definition for assuan data line output. */
+static gpgrt_ssize_t data_line_cookie_write (void *cookie,
+ const void *buffer, size_t size);
+static int data_line_cookie_close (void *cookie);
+static es_cookie_io_functions_t data_line_cookie_functions =
+ {
+ NULL,
+ data_line_cookie_write,
+ NULL,
+ data_line_cookie_close
+ };
+
+
+
+static int command_has_option (const char *cmd, const char *cmdopt);
+
+
+
+
+/* Note that it is sufficient to allocate the target string D as
+ long as the source string S, i.e.: strlen(s)+1; */
+static void
+strcpy_escaped_plus (char *d, const char *s)
+{
+ while (*s)
+ {
+ if (*s == '%' && s[1] && s[2])
+ {
+ s++;
+ *d++ = xtoi_2 (s);
+ s += 2;
+ }
+ else if (*s == '+')
+ *d++ = ' ', s++;
+ else
+ *d++ = *s++;
+ }
+ *d = 0;
+}
+
+
+/* A write handler used by es_fopencookie to write assuan data
+ lines. */
+static gpgrt_ssize_t
+data_line_cookie_write (void *cookie, const void *buffer, size_t size)
+{
+ assuan_context_t ctx = cookie;
+
+ if (assuan_send_data (ctx, buffer, size))
+ {
+ gpg_err_set_errno (EIO);
+ return -1;
+ }
+
+ return (gpgrt_ssize_t)size;
+}
+
+static int
+data_line_cookie_close (void *cookie)
+{
+ assuan_context_t ctx = cookie;
+
+ if (assuan_send_data (ctx, NULL, 0))
+ {
+ gpg_err_set_errno (EIO);
+ return -1;
+ }
+
+ return 0;
+}
+
+
+static void
+close_message_fd (ctrl_t ctrl)
+{
+ if (ctrl->server_local->message_fd != -1)
+ {
+#ifdef HAVE_W32CE_SYSTEM
+#warning Is this correct for W32/W32CE?
+#endif
+ close (ctrl->server_local->message_fd);
+ ctrl->server_local->message_fd = -1;
+ }
+}
+
+
+/* Start a new audit session if this has been enabled. */
+static gpg_error_t
+start_audit_session (ctrl_t ctrl)
+{
+ audit_release (ctrl->audit);
+ ctrl->audit = NULL;
+ if (ctrl->server_local->enable_audit_log && !(ctrl->audit = audit_new ()) )
+ return gpg_error_from_syserror ();
+
+ return 0;
+}
+
+
+static gpg_error_t
+option_handler (assuan_context_t ctx, const char *key, const char *value)
+{
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+ gpg_error_t err = 0;
+
+ if (!strcmp (key, "putenv"))
+ {
+ /* Change the session's environment to be used for the
+ Pinentry. Valid values are:
+ <NAME> Delete envvar NAME
+ <KEY>= Set envvar NAME to the empty string
+ <KEY>=<VALUE> Set envvar NAME to VALUE
+ */
+ err = session_env_putenv (opt.session_env, value);
+ }
+ else if (!strcmp (key, "display"))
+ {
+ err = session_env_setenv (opt.session_env, "DISPLAY", value);
+ }
+ else if (!strcmp (key, "ttyname"))
+ {
+ err = session_env_setenv (opt.session_env, "GPG_TTY", value);
+ }
+ else if (!strcmp (key, "ttytype"))
+ {
+ err = session_env_setenv (opt.session_env, "TERM", value);
+ }
+ else if (!strcmp (key, "lc-ctype"))
+ {
+ xfree (opt.lc_ctype);
+ opt.lc_ctype = xtrystrdup (value);
+ if (!opt.lc_ctype)
+ err = gpg_error_from_syserror ();
+ }
+ else if (!strcmp (key, "lc-messages"))
+ {
+ xfree (opt.lc_messages);
+ opt.lc_messages = xtrystrdup (value);
+ if (!opt.lc_messages)
+ err = gpg_error_from_syserror ();
+ }
+ else if (!strcmp (key, "xauthority"))
+ {
+ err = session_env_setenv (opt.session_env, "XAUTHORITY", value);
+ }
+ else if (!strcmp (key, "pinentry-user-data"))
+ {
+ err = session_env_setenv (opt.session_env, "PINENTRY_USER_DATA", value);
+ }
+ else if (!strcmp (key, "include-certs"))
+ {
+ int i = *value? atoi (value) : -1;
+ if (ctrl->include_certs < -2)
+ err = gpg_error (GPG_ERR_ASS_PARAMETER);
+ else
+ ctrl->include_certs = i;
+ }
+ else if (!strcmp (key, "list-mode"))
+ {
+ int i = *value? atoi (value) : 0;
+ if (!i || i == 1) /* default and mode 1 */
+ {
+ ctrl->server_local->list_internal = 1;
+ ctrl->server_local->list_external = 0;
+ }
+ else if (i == 2)
+ {
+ ctrl->server_local->list_internal = 0;
+ ctrl->server_local->list_external = 1;
+ }
+ else if (i == 3)
+ {
+ ctrl->server_local->list_internal = 1;
+ ctrl->server_local->list_external = 1;
+ }
+ else
+ err = gpg_error (GPG_ERR_ASS_PARAMETER);
+ }
+ else if (!strcmp (key, "list-to-output"))
+ {
+ int i = *value? atoi (value) : 0;
+ ctrl->server_local->list_to_output = i;
+ }
+ else if (!strcmp (key, "with-validation"))
+ {
+ int i = *value? atoi (value) : 0;
+ ctrl->with_validation = i;
+ }
+ else if (!strcmp (key, "with-secret"))
+ {
+ int i = *value? atoi (value) : 0;
+ ctrl->with_secret = i;
+ }
+ else if (!strcmp (key, "validation-model"))
+ {
+ int i = gpgsm_parse_validation_model (value);
+ if ( i >= 0 && i <= 2 )
+ ctrl->validation_model = i;
+ else
+ err = gpg_error (GPG_ERR_ASS_PARAMETER);
+ }
+ else if (!strcmp (key, "with-key-data"))
+ {
+ opt.with_key_data = 1;
+ }
+ else if (!strcmp (key, "enable-audit-log"))
+ {
+ int i = *value? atoi (value) : 0;
+ ctrl->server_local->enable_audit_log = i;
+ }
+ else if (!strcmp (key, "allow-pinentry-notify"))
+ {
+ ctrl->server_local->allow_pinentry_notify = 1;
+ }
+ else if (!strcmp (key, "with-ephemeral-keys"))
+ {
+ int i = *value? atoi (value) : 0;
+ ctrl->with_ephemeral_keys = i;
+ }
+ else if (!strcmp (key, "no-encrypt-to"))
+ {
+ ctrl->server_local->no_encrypt_to = 1;
+ }
+ else if (!strcmp (key, "offline"))
+ {
+ /* We ignore this option if gpgsm has been started with
+ --disable-dirmngr (which also sets offline). */
+ if (!opt.disable_dirmngr)
+ {
+ int i = *value? !!atoi (value) : 1;
+ ctrl->offline = i;
+ }
+ }
+ else if (!strcmp (key, "request-origin"))
+ {
+ if (!opt.request_origin)
+ {
+ int i = parse_request_origin (value);
+ if (i == -1)
+ err = gpg_error (GPG_ERR_INV_VALUE);
+ else
+ opt.request_origin = i;
+ }
+ }
+ else
+ err = gpg_error (GPG_ERR_UNKNOWN_OPTION);
+
+ return err;
+}
+
+
+static gpg_error_t
+reset_notify (assuan_context_t ctx, char *line)
+{
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+
+ (void) line;
+
+ gpgsm_release_certlist (ctrl->server_local->recplist);
+ gpgsm_release_certlist (ctrl->server_local->signerlist);
+ ctrl->server_local->recplist = NULL;
+ ctrl->server_local->signerlist = NULL;
+ close_message_fd (ctrl);
+ assuan_close_input_fd (ctx);
+ assuan_close_output_fd (ctx);
+ return 0;
+}
+
+
+static gpg_error_t
+input_notify (assuan_context_t ctx, char *line)
+{
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+
+ ctrl->autodetect_encoding = 0;
+ ctrl->is_pem = 0;
+ ctrl->is_base64 = 0;
+ if (strstr (line, "--armor"))
+ ctrl->is_pem = 1;
+ else if (strstr (line, "--base64"))
+ ctrl->is_base64 = 1;
+ else if (strstr (line, "--binary"))
+ ;
+ else
+ ctrl->autodetect_encoding = 1;
+ return 0;
+}
+
+static gpg_error_t
+output_notify (assuan_context_t ctx, char *line)
+{
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+
+ ctrl->create_pem = 0;
+ ctrl->create_base64 = 0;
+ if (strstr (line, "--armor"))
+ ctrl->create_pem = 1;
+ else if (strstr (line, "--base64"))
+ ctrl->create_base64 = 1; /* just the raw output */
+ return 0;
+}
+
+
+static const char hlp_recipient[] =
+ "RECIPIENT <userID>\n"
+ "\n"
+ "Set the recipient for the encryption. USERID shall be the\n"
+ "internal representation of the key; the server may accept any other\n"
+ "way of specification [we will support this]. If this is a valid and\n"
+ "trusted recipient the server does respond with OK, otherwise the\n"
+ "return is an ERR with the reason why the recipient can't be used,\n"
+ "the encryption will then not be done for this recipient. If the\n"
+ "policy is not to encrypt at all if not all recipients are valid, the\n"
+ "client has to take care of this. All RECIPIENT commands are\n"
+ "cumulative until a RESET or an successful ENCRYPT command.";
+static gpg_error_t
+cmd_recipient (assuan_context_t ctx, char *line)
+{
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+ int rc;
+
+ if (!ctrl->audit)
+ rc = start_audit_session (ctrl);
+ else
+ rc = 0;
+
+ if (!rc)
+ rc = gpgsm_add_to_certlist (ctrl, line, 0,
+ &ctrl->server_local->recplist, 0);
+ if (rc)
+ {
+ gpgsm_status2 (ctrl, STATUS_INV_RECP,
+ get_inv_recpsgnr_code (rc), line, NULL);
+ }
+
+ return rc;
+}
+
+
+static const char hlp_signer[] =
+ "SIGNER <userID>\n"
+ "\n"
+ "Set the signer's keys for the signature creation. USERID should\n"
+ "be the internal representation of the key; the server may accept any\n"
+ "other way of specification [we will support this]. If this is a\n"
+ "valid and usable signing key the server does respond with OK,\n"
+ "otherwise it returns an ERR with the reason why the key can't be\n"
+ "used, the signing will then not be done for this key. If the policy\n"
+ "is not to sign at all if not all signer keys are valid, the client\n"
+ "has to take care of this. All SIGNER commands are cumulative until\n"
+ "a RESET but they are *not* reset by an SIGN command because it can\n"
+ "be expected that set of signers are used for more than one sign\n"
+ "operation.";
+static gpg_error_t
+cmd_signer (assuan_context_t ctx, char *line)
+{
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+ int rc;
+
+ rc = gpgsm_add_to_certlist (ctrl, line, 1,
+ &ctrl->server_local->signerlist, 0);
+ if (rc)
+ {
+ gpgsm_status2 (ctrl, STATUS_INV_SGNR,
+ get_inv_recpsgnr_code (rc), line, NULL);
+ /* For compatibility reasons we also issue the old code after the
+ new one. */
+ gpgsm_status2 (ctrl, STATUS_INV_RECP,
+ get_inv_recpsgnr_code (rc), line, NULL);
+ }
+ return rc;
+}
+
+
+static const char hlp_encrypt[] =
+ "ENCRYPT \n"
+ "\n"
+ "Do the actual encryption process. Takes the plaintext from the INPUT\n"
+ "command, writes to the ciphertext to the file descriptor set with\n"
+ "the OUTPUT command, take the recipients form all the recipients set\n"
+ "so far. If this command fails the clients should try to delete all\n"
+ "output currently done or otherwise mark it as invalid. GPGSM does\n"
+ "ensure that there won't be any security problem with leftover data\n"
+ "on the output in this case.\n"
+ "\n"
+ "This command should in general not fail, as all necessary checks\n"
+ "have been done while setting the recipients. The input and output\n"
+ "pipes are closed.";
+static gpg_error_t
+cmd_encrypt (assuan_context_t ctx, char *line)
+{
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+ certlist_t cl;
+ int inp_fd, out_fd;
+ estream_t out_fp;
+ int rc;
+
+ (void)line;
+
+ inp_fd = translate_sys2libc_fd (assuan_get_input_fd (ctx), 0);
+ if (inp_fd == -1)
+ return set_error (GPG_ERR_ASS_NO_INPUT, NULL);
+ out_fd = translate_sys2libc_fd (assuan_get_output_fd (ctx), 1);
+ if (out_fd == -1)
+ return set_error (GPG_ERR_ASS_NO_OUTPUT, NULL);
+
+ out_fp = es_fdopen_nc (out_fd, "w");
+ if (!out_fp)
+ return set_error (gpg_err_code_from_syserror (), "fdopen() failed");
+
+ /* Now add all encrypt-to marked recipients from the default
+ list. */
+ rc = 0;
+ if (!opt.no_encrypt_to && !ctrl->server_local->no_encrypt_to)
+ {
+ for (cl=ctrl->server_local->default_recplist; !rc && cl; cl = cl->next)
+ if (cl->is_encrypt_to)
+ rc = gpgsm_add_cert_to_certlist (ctrl, cl->cert,
+ &ctrl->server_local->recplist, 1);
+ }
+ if (!rc)
+ rc = ctrl->audit? 0 : start_audit_session (ctrl);
+ if (!rc)
+ rc = gpgsm_encrypt (assuan_get_pointer (ctx),
+ ctrl->server_local->recplist,
+ inp_fd, out_fp);
+ es_fclose (out_fp);
+
+ gpgsm_release_certlist (ctrl->server_local->recplist);
+ ctrl->server_local->recplist = NULL;
+ /* Close and reset the fd */
+ close_message_fd (ctrl);
+ assuan_close_input_fd (ctx);
+ assuan_close_output_fd (ctx);
+ return rc;
+}
+
+
+static const char hlp_decrypt[] =
+ "DECRYPT\n"
+ "\n"
+ "This performs the decrypt operation after doing some check on the\n"
+ "internal state. (e.g. that only needed data has been set). Because\n"
+ "it utilizes the GPG-Agent for the session key decryption, there is\n"
+ "no need to ask the client for a protecting passphrase - GPG-Agent\n"
+ "does take care of this by requesting this from the user.";
+static gpg_error_t
+cmd_decrypt (assuan_context_t ctx, char *line)
+{
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+ int inp_fd, out_fd;
+ estream_t out_fp;
+ int rc;
+
+ (void)line;
+
+ inp_fd = translate_sys2libc_fd (assuan_get_input_fd (ctx), 0);
+ if (inp_fd == -1)
+ return set_error (GPG_ERR_ASS_NO_INPUT, NULL);
+ out_fd = translate_sys2libc_fd (assuan_get_output_fd (ctx), 1);
+ if (out_fd == -1)
+ return set_error (GPG_ERR_ASS_NO_OUTPUT, NULL);
+
+ out_fp = es_fdopen_nc (out_fd, "w");
+ if (!out_fp)
+ return set_error (gpg_err_code_from_syserror (), "fdopen() failed");
+
+ rc = start_audit_session (ctrl);
+ if (!rc)
+ rc = gpgsm_decrypt (ctrl, inp_fd, out_fp);
+ es_fclose (out_fp);
+
+ /* Close and reset the fds. */
+ close_message_fd (ctrl);
+ assuan_close_input_fd (ctx);
+ assuan_close_output_fd (ctx);
+
+ return rc;
+}
+
+
+static const char hlp_verify[] =
+ "VERIFY\n"
+ "\n"
+ "This does a verify operation on the message send to the input FD.\n"
+ "The result is written out using status lines. If an output FD was\n"
+ "given, the signed text will be written to that.\n"
+ "\n"
+ "If the signature is a detached one, the server will inquire about\n"
+ "the signed material and the client must provide it.";
+static gpg_error_t
+cmd_verify (assuan_context_t ctx, char *line)
+{
+ int rc;
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+ int fd = translate_sys2libc_fd (assuan_get_input_fd (ctx), 0);
+ int out_fd = translate_sys2libc_fd (assuan_get_output_fd (ctx), 1);
+ estream_t out_fp = NULL;
+
+ (void)line;
+
+ if (fd == -1)
+ return set_error (GPG_ERR_ASS_NO_INPUT, NULL);
+
+ if (out_fd != -1)
+ {
+ out_fp = es_fdopen_nc (out_fd, "w");
+ if (!out_fp)
+ return set_error (gpg_err_code_from_syserror (), "fdopen() failed");
+ }
+
+ rc = start_audit_session (ctrl);
+ if (!rc)
+ rc = gpgsm_verify (assuan_get_pointer (ctx), fd,
+ ctrl->server_local->message_fd, out_fp);
+ es_fclose (out_fp);
+
+ /* Close and reset the fd. */
+ close_message_fd (ctrl);
+ assuan_close_input_fd (ctx);
+ assuan_close_output_fd (ctx);
+
+ return rc;
+}
+
+
+static const char hlp_sign[] =
+ "SIGN [--detached]\n"
+ "\n"
+ "Sign the data set with the INPUT command and write it to the sink\n"
+ "set by OUTPUT. With \"--detached\", a detached signature is\n"
+ "created (surprise).";
+static gpg_error_t
+cmd_sign (assuan_context_t ctx, char *line)
+{
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+ int inp_fd, out_fd;
+ estream_t out_fp;
+ int detached;
+ int rc;
+
+ inp_fd = translate_sys2libc_fd (assuan_get_input_fd (ctx), 0);
+ if (inp_fd == -1)
+ return set_error (GPG_ERR_ASS_NO_INPUT, NULL);
+ out_fd = translate_sys2libc_fd (assuan_get_output_fd (ctx), 1);
+ if (out_fd == -1)
+ return set_error (GPG_ERR_ASS_NO_OUTPUT, NULL);
+
+ detached = has_option (line, "--detached");
+
+ out_fp = es_fdopen_nc (out_fd, "w");
+ if (!out_fp)
+ return set_error (GPG_ERR_ASS_GENERAL, "fdopen() failed");
+
+ rc = start_audit_session (ctrl);
+ if (!rc)
+ rc = gpgsm_sign (assuan_get_pointer (ctx), ctrl->server_local->signerlist,
+ inp_fd, detached, out_fp);
+ es_fclose (out_fp);
+
+ /* close and reset the fd */
+ close_message_fd (ctrl);
+ assuan_close_input_fd (ctx);
+ assuan_close_output_fd (ctx);
+
+ return rc;
+}
+
+
+static const char hlp_import[] =
+ "IMPORT [--re-import]\n"
+ "\n"
+ "Import the certificates read form the input-fd, return status\n"
+ "message for each imported one. The import checks the validity of\n"
+ "the certificate but not of the entire chain. It is possible to\n"
+ "import expired certificates.\n"
+ "\n"
+ "With the option --re-import the input data is expected to a be a LF\n"
+ "separated list of fingerprints. The command will re-import these\n"
+ "certificates, meaning that they are made permanent by removing\n"
+ "their ephemeral flag.";
+static gpg_error_t
+cmd_import (assuan_context_t ctx, char *line)
+{
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+ int rc;
+ int fd = translate_sys2libc_fd (assuan_get_input_fd (ctx), 0);
+ int reimport = has_option (line, "--re-import");
+
+ (void)line;
+
+ if (fd == -1)
+ return set_error (GPG_ERR_ASS_NO_INPUT, NULL);
+
+ rc = gpgsm_import (assuan_get_pointer (ctx), fd, reimport);
+
+ /* close and reset the fd */
+ close_message_fd (ctrl);
+ assuan_close_input_fd (ctx);
+ assuan_close_output_fd (ctx);
+
+ return rc;
+}
+
+
+static const char hlp_export[] =
+ "EXPORT [--data [--armor|--base64]] [--secret [--(raw|pkcs12)] [--] <pattern>\n"
+ "\n"
+ "Export the certificates selected by PATTERN. With --data the output\n"
+ "is returned using Assuan D lines; the default is to use the sink given\n"
+ "by the last \"OUTPUT\" command. The options --armor or --base64 encode \n"
+ "the output using the PEM respective a plain base-64 format; the default\n"
+ "is a binary format which is only suitable for a single certificate.\n"
+ "With --secret the secret key is exported using the PKCS#8 format,\n"
+ "with --raw using PKCS#1, and with --pkcs12 as full PKCS#12 container.";
+static gpg_error_t
+cmd_export (assuan_context_t ctx, char *line)
+{
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+ char *p;
+ strlist_t list, sl;
+ int use_data;
+ int opt_secret;
+ int opt_raw = 0;
+ int opt_pkcs12 = 0;
+
+ use_data = has_option (line, "--data");
+ if (use_data)
+ {
+ /* We need to override any possible setting done by an OUTPUT command. */
+ ctrl->create_pem = has_option (line, "--armor");
+ ctrl->create_base64 = has_option (line, "--base64");
+ }
+ opt_secret = has_option (line, "--secret");
+ if (opt_secret)
+ {
+ opt_raw = has_option (line, "--raw");
+ opt_pkcs12 = has_option (line, "--pkcs12");
+ }
+
+ line = skip_options (line);
+
+ /* Break the line down into an strlist_t. */
+ list = NULL;
+ for (p=line; *p; line = p)
+ {
+ while (*p && *p != ' ')
+ p++;
+ if (*p)
+ *p++ = 0;
+ if (*line)
+ {
+ sl = xtrymalloc (sizeof *sl + strlen (line));
+ if (!sl)
+ {
+ free_strlist (list);
+ return out_of_core ();
+ }
+ sl->flags = 0;
+ strcpy_escaped_plus (sl->d, line);
+ sl->next = list;
+ list = sl;
+ }
+ }
+
+ if (opt_secret)
+ {
+ if (!list)
+ return set_error (GPG_ERR_NO_DATA, "No key given");
+ if (!*list->d)
+ {
+ free_strlist (list);
+ return set_error (GPG_ERR_NO_DATA, "No key given");
+ }
+ if (list->next)
+ return set_error (GPG_ERR_TOO_MANY, "Only one key allowed");
+ }
+
+ if (use_data)
+ {
+ estream_t stream;
+
+ stream = es_fopencookie (ctx, "w", data_line_cookie_functions);
+ if (!stream)
+ {
+ free_strlist (list);
+ return set_error (GPG_ERR_ASS_GENERAL,
+ "error setting up a data stream");
+ }
+ if (opt_secret)
+ gpgsm_p12_export (ctrl, list->d, stream,
+ opt_raw? 2 : opt_pkcs12 ? 0 : 1);
+ else
+ gpgsm_export (ctrl, list, stream);
+ es_fclose (stream);
+ }
+ else
+ {
+ int fd = translate_sys2libc_fd (assuan_get_output_fd (ctx), 1);
+ estream_t out_fp;
+
+ if (fd == -1)
+ {
+ free_strlist (list);
+ return set_error (GPG_ERR_ASS_NO_OUTPUT, NULL);
+ }
+ out_fp = es_fdopen_nc (fd, "w");
+ if (!out_fp)
+ {
+ free_strlist (list);
+ return set_error (gpg_err_code_from_syserror (), "fdopen() failed");
+ }
+
+ if (opt_secret)
+ gpgsm_p12_export (ctrl, list->d, out_fp,
+ opt_raw? 2 : opt_pkcs12 ? 0 : 1);
+ else
+ gpgsm_export (ctrl, list, out_fp);
+ es_fclose (out_fp);
+ }
+
+ free_strlist (list);
+ /* Close and reset the fds. */
+ close_message_fd (ctrl);
+ assuan_close_input_fd (ctx);
+ assuan_close_output_fd (ctx);
+ return 0;
+}
+
+
+
+static const char hlp_delkeys[] =
+ "DELKEYS <patterns>\n"
+ "\n"
+ "Delete the certificates specified by PATTERNS. Each pattern shall be\n"
+ "a percent-plus escaped certificate specification. Usually a\n"
+ "fingerprint will be used for this.";
+static gpg_error_t
+cmd_delkeys (assuan_context_t ctx, char *line)
+{
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+ char *p;
+ strlist_t list, sl;
+ int rc;
+
+ /* break the line down into an strlist_t */
+ list = NULL;
+ for (p=line; *p; line = p)
+ {
+ while (*p && *p != ' ')
+ p++;
+ if (*p)
+ *p++ = 0;
+ if (*line)
+ {
+ sl = xtrymalloc (sizeof *sl + strlen (line));
+ if (!sl)
+ {
+ free_strlist (list);
+ return out_of_core ();
+ }
+ sl->flags = 0;
+ strcpy_escaped_plus (sl->d, line);
+ sl->next = list;
+ list = sl;
+ }
+ }
+
+ rc = gpgsm_delete (ctrl, list);
+ free_strlist (list);
+
+ /* close and reset the fd */
+ close_message_fd (ctrl);
+ assuan_close_input_fd (ctx);
+ assuan_close_output_fd (ctx);
+
+ return rc;
+}
+
+
+
+static const char hlp_output[] =
+ "OUTPUT FD[=<n>]\n"
+ "\n"
+ "Set the file descriptor to write the output data to N. If N is not\n"
+ "given and the operating system supports file descriptor passing, the\n"
+ "file descriptor currently in flight will be used. See also the\n"
+ "\"INPUT\" and \"MESSAGE\" commands.";
+static const char hlp_input[] =
+ "INPUT FD[=<n>]\n"
+ "\n"
+ "Set the file descriptor to read the input data to N. If N is not\n"
+ "given and the operating system supports file descriptor passing, the\n"
+ "file descriptor currently in flight will be used. See also the\n"
+ "\"MESSAGE\" and \"OUTPUT\" commands.";
+static const char hlp_message[] =
+ "MESSAGE FD[=<n>]\n"
+ "\n"
+ "Set the file descriptor to read the message for a detached\n"
+ "signatures to N. If N is not given and the operating system\n"
+ "supports file descriptor passing, the file descriptor currently in\n"
+ "flight will be used. See also the \"INPUT\" and \"OUTPUT\" commands.";
+static gpg_error_t
+cmd_message (assuan_context_t ctx, char *line)
+{
+ int rc;
+ gnupg_fd_t sysfd;
+ int fd;
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+
+ rc = assuan_command_parse_fd (ctx, line, &sysfd);
+ if (rc)
+ return rc;
+
+#ifdef HAVE_W32CE_SYSTEM
+ sysfd = _assuan_w32ce_finish_pipe ((int)sysfd, 0);
+ if (sysfd == INVALID_HANDLE_VALUE)
+ return set_error (gpg_err_code_from_syserror (),
+ "rvid conversion failed");
+#endif
+
+ fd = translate_sys2libc_fd (sysfd, 0);
+ if (fd == -1)
+ return set_error (GPG_ERR_ASS_NO_INPUT, NULL);
+ ctrl->server_local->message_fd = fd;
+ return 0;
+}
+
+
+
+static const char hlp_listkeys[] =
+ "LISTKEYS [<patterns>]\n"
+ "LISTSECRETKEYS [<patterns>]\n"
+ "DUMPKEYS [<patterns>]\n"
+ "DUMPSECRETKEYS [<patterns>]\n"
+ "\n"
+ "List all certificates or only those specified by PATTERNS. Each\n"
+ "pattern shall be a percent-plus escaped certificate specification.\n"
+ "The \"SECRET\" versions of the command filter the output to include\n"
+ "only certificates where the secret key is available or a corresponding\n"
+ "smartcard has been registered. The \"DUMP\" versions of the command\n"
+ "are only useful for debugging. The output format is a percent escaped\n"
+ "colon delimited listing as described in the manual.\n"
+ "\n"
+ "These \"OPTION\" command keys effect the output::\n"
+ "\n"
+ " \"list-mode\" set to 0: List only local certificates (default).\n"
+ " 1: Ditto.\n"
+ " 2: List only external certificates.\n"
+ " 3: List local and external certificates.\n"
+ "\n"
+ " \"with-validation\" set to true: Validate each certificate.\n"
+ "\n"
+ " \"with-ephemeral-key\" set to true: Always include ephemeral\n"
+ " certificates.\n"
+ "\n"
+ " \"list-to-output\" set to true: Write output to the file descriptor\n"
+ " given by the last \"OUTPUT\" command.";
+static int
+do_listkeys (assuan_context_t ctx, char *line, int mode)
+{
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+ estream_t fp;
+ char *p;
+ strlist_t list, sl;
+ unsigned int listmode;
+ gpg_error_t err;
+
+ /* Break the line down into an strlist. */
+ list = NULL;
+ for (p=line; *p; line = p)
+ {
+ while (*p && *p != ' ')
+ p++;
+ if (*p)
+ *p++ = 0;
+ if (*line)
+ {
+ sl = xtrymalloc (sizeof *sl + strlen (line));
+ if (!sl)
+ {
+ free_strlist (list);
+ return out_of_core ();
+ }
+ sl->flags = 0;
+ strcpy_escaped_plus (sl->d, line);
+ sl->next = list;
+ list = sl;
+ }
+ }
+
+ if (ctrl->server_local->list_to_output)
+ {
+ int outfd = translate_sys2libc_fd (assuan_get_output_fd (ctx), 1);
+
+ if ( outfd == -1 )
+ {
+ free_strlist (list);
+ return set_error (GPG_ERR_ASS_NO_OUTPUT, NULL);
+ }
+ fp = es_fdopen_nc (outfd, "w");
+ if (!fp)
+ {
+ free_strlist (list);
+ return set_error (gpg_err_code_from_syserror (),
+ "es_fdopen() failed");
+ }
+ }
+ else
+ {
+ fp = es_fopencookie (ctx, "w", data_line_cookie_functions);
+ if (!fp)
+ {
+ free_strlist (list);
+ return set_error (GPG_ERR_ASS_GENERAL,
+ "error setting up a data stream");
+ }
+ }
+
+ ctrl->with_colons = 1;
+ listmode = mode;
+ if (ctrl->server_local->list_internal)
+ listmode |= (1<<6);
+ if (ctrl->server_local->list_external)
+ listmode |= (1<<7);
+ err = gpgsm_list_keys (assuan_get_pointer (ctx), list, fp, listmode);
+ free_strlist (list);
+ es_fclose (fp);
+ if (ctrl->server_local->list_to_output)
+ assuan_close_output_fd (ctx);
+ return err;
+}
+
+static gpg_error_t
+cmd_listkeys (assuan_context_t ctx, char *line)
+{
+ return do_listkeys (ctx, line, 3);
+}
+
+static gpg_error_t
+cmd_dumpkeys (assuan_context_t ctx, char *line)
+{
+ return do_listkeys (ctx, line, 259);
+}
+
+static gpg_error_t
+cmd_listsecretkeys (assuan_context_t ctx, char *line)
+{
+ return do_listkeys (ctx, line, 2);
+}
+
+static gpg_error_t
+cmd_dumpsecretkeys (assuan_context_t ctx, char *line)
+{
+ return do_listkeys (ctx, line, 258);
+}
+
+
+
+static const char hlp_genkey[] =
+ "GENKEY\n"
+ "\n"
+ "Read the parameters in native format from the input fd and write a\n"
+ "certificate request to the output.";
+static gpg_error_t
+cmd_genkey (assuan_context_t ctx, char *line)
+{
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+ int inp_fd, out_fd;
+ estream_t in_stream, out_stream;
+ int rc;
+
+ (void)line;
+
+ inp_fd = translate_sys2libc_fd (assuan_get_input_fd (ctx), 0);
+ if (inp_fd == -1)
+ return set_error (GPG_ERR_ASS_NO_INPUT, NULL);
+ out_fd = translate_sys2libc_fd (assuan_get_output_fd (ctx), 1);
+ if (out_fd == -1)
+ return set_error (GPG_ERR_ASS_NO_OUTPUT, NULL);
+
+ in_stream = es_fdopen_nc (inp_fd, "r");
+ if (!in_stream)
+ return set_error (GPG_ERR_ASS_GENERAL, "es_fdopen failed");
+
+ out_stream = es_fdopen_nc (out_fd, "w");
+ if (!out_stream)
+ {
+ es_fclose (in_stream);
+ return set_error (gpg_err_code_from_syserror (), "fdopen() failed");
+ }
+ rc = gpgsm_genkey (ctrl, in_stream, out_stream);
+ es_fclose (out_stream);
+ es_fclose (in_stream);
+
+ /* close and reset the fds */
+ assuan_close_input_fd (ctx);
+ assuan_close_output_fd (ctx);
+
+ return rc;
+}
+
+
+
+static const char hlp_getauditlog[] =
+ "GETAUDITLOG [--data] [--html]\n"
+ "\n"
+ "If --data is used, the output is send using D-lines and not to the\n"
+ "file descriptor given by an OUTPUT command.\n"
+ "\n"
+ "If --html is used the output is formatted as an XHTML block. This is\n"
+ "designed to be incorporated into a HTML document.";
+static gpg_error_t
+cmd_getauditlog (assuan_context_t ctx, char *line)
+{
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+ int out_fd;
+ estream_t out_stream;
+ int opt_data, opt_html;
+ int rc;
+
+ opt_data = has_option (line, "--data");
+ opt_html = has_option (line, "--html");
+ /* Not needed: line = skip_options (line); */
+
+ if (!ctrl->audit)
+ return gpg_error (GPG_ERR_NO_DATA);
+
+ if (opt_data)
+ {
+ out_stream = es_fopencookie (ctx, "w", data_line_cookie_functions);
+ if (!out_stream)
+ return set_error (GPG_ERR_ASS_GENERAL,
+ "error setting up a data stream");
+ }
+ else
+ {
+ out_fd = translate_sys2libc_fd (assuan_get_output_fd (ctx), 1);
+ if (out_fd == -1)
+ return set_error (GPG_ERR_ASS_NO_OUTPUT, NULL);
+
+ out_stream = es_fdopen_nc (out_fd, "w");
+ if (!out_stream)
+ {
+ return set_error (GPG_ERR_ASS_GENERAL, "es_fdopen() failed");
+ }
+ }
+
+ audit_print_result (ctrl->audit, out_stream, opt_html);
+ rc = 0;
+
+ es_fclose (out_stream);
+
+ /* Close and reset the fd. */
+ if (!opt_data)
+ assuan_close_output_fd (ctx);
+ return rc;
+}
+
+static const char hlp_getinfo[] =
+ "GETINFO <what>\n"
+ "\n"
+ "Multipurpose function to return a variety of information.\n"
+ "Supported values for WHAT are:\n"
+ "\n"
+ " version - Return the version of the program.\n"
+ " pid - Return the process id of the server.\n"
+ " agent-check - Return success if the agent is running.\n"
+ " cmd_has_option CMD OPT\n"
+ " - Returns OK if the command CMD implements the option OPT.\n"
+ " offline - Returns OK if the connection is in offline mode.";
+static gpg_error_t
+cmd_getinfo (assuan_context_t ctx, char *line)
+{
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+ int rc = 0;
+
+ if (!strcmp (line, "version"))
+ {
+ const char *s = VERSION;
+ rc = assuan_send_data (ctx, s, strlen (s));
+ }
+ else if (!strcmp (line, "pid"))
+ {
+ char numbuf[50];
+
+ snprintf (numbuf, sizeof numbuf, "%lu", (unsigned long)getpid ());
+ rc = assuan_send_data (ctx, numbuf, strlen (numbuf));
+ }
+ else if (!strcmp (line, "agent-check"))
+ {
+ rc = gpgsm_agent_send_nop (ctrl);
+ }
+ else if (!strncmp (line, "cmd_has_option", 14)
+ && (line[14] == ' ' || line[14] == '\t' || !line[14]))
+ {
+ char *cmd, *cmdopt;
+ line += 14;
+ while (*line == ' ' || *line == '\t')
+ line++;
+ if (!*line)
+ rc = gpg_error (GPG_ERR_MISSING_VALUE);
+ else
+ {
+ cmd = line;
+ while (*line && (*line != ' ' && *line != '\t'))
+ line++;
+ if (!*line)
+ rc = gpg_error (GPG_ERR_MISSING_VALUE);
+ else
+ {
+ *line++ = 0;
+ while (*line == ' ' || *line == '\t')
+ line++;
+ if (!*line)
+ rc = gpg_error (GPG_ERR_MISSING_VALUE);
+ else
+ {
+ cmdopt = line;
+ if (!command_has_option (cmd, cmdopt))
+ rc = gpg_error (GPG_ERR_FALSE);
+ }
+ }
+ }
+ }
+ else if (!strcmp (line, "offline"))
+ {
+ rc = ctrl->offline? 0 : gpg_error (GPG_ERR_FALSE);
+ }
+ else
+ rc = set_error (GPG_ERR_ASS_PARAMETER, "unknown value for WHAT");
+
+ return rc;
+}
+
+
+static const char hlp_passwd[] =
+ "PASSWD <userID>\n"
+ "\n"
+ "Change the passphrase of the secret key for USERID.";
+static gpg_error_t
+cmd_passwd (assuan_context_t ctx, char *line)
+{
+ ctrl_t ctrl = assuan_get_pointer (ctx);
+ gpg_error_t err;
+ ksba_cert_t cert = NULL;
+ char *grip = NULL;
+
+ line = skip_options (line);
+
+ err = gpgsm_find_cert (ctrl, line, NULL, &cert, 0);
+ if (err)
+ ;
+ else if (!(grip = gpgsm_get_keygrip_hexstring (cert)))
+ err = gpg_error (GPG_ERR_INTERNAL);
+ else
+ {
+ char *desc = gpgsm_format_keydesc (cert);
+ err = gpgsm_agent_passwd (ctrl, grip, desc);
+ xfree (desc);
+ }
+
+ xfree (grip);
+ ksba_cert_release (cert);
+
+ return err;
+}
+
+
+
+/* Return true if the command CMD implements the option OPT. */
+static int
+command_has_option (const char *cmd, const char *cmdopt)
+{
+ if (!strcmp (cmd, "IMPORT"))
+ {
+ if (!strcmp (cmdopt, "re-import"))
+ return 1;
+ }
+
+ return 0;
+}
+
+
+/* Tell the assuan library about our commands */
+static int
+register_commands (assuan_context_t ctx)
+{
+ static struct {
+ const char *name;
+ assuan_handler_t handler;
+ const char * const help;
+ } table[] = {
+ { "RECIPIENT", cmd_recipient, hlp_recipient },
+ { "SIGNER", cmd_signer, hlp_signer },
+ { "ENCRYPT", cmd_encrypt, hlp_encrypt },
+ { "DECRYPT", cmd_decrypt, hlp_decrypt },
+ { "VERIFY", cmd_verify, hlp_verify },
+ { "SIGN", cmd_sign, hlp_sign },
+ { "IMPORT", cmd_import, hlp_import },
+ { "EXPORT", cmd_export, hlp_export },
+ { "INPUT", NULL, hlp_input },
+ { "OUTPUT", NULL, hlp_output },
+ { "MESSAGE", cmd_message, hlp_message },
+ { "LISTKEYS", cmd_listkeys, hlp_listkeys },
+ { "DUMPKEYS", cmd_dumpkeys, hlp_listkeys },
+ { "LISTSECRETKEYS",cmd_listsecretkeys, hlp_listkeys },
+ { "DUMPSECRETKEYS",cmd_dumpsecretkeys, hlp_listkeys },
+ { "GENKEY", cmd_genkey, hlp_genkey },
+ { "DELKEYS", cmd_delkeys, hlp_delkeys },
+ { "GETAUDITLOG", cmd_getauditlog, hlp_getauditlog },
+ { "GETINFO", cmd_getinfo, hlp_getinfo },
+ { "PASSWD", cmd_passwd, hlp_passwd },
+ { NULL }
+ };
+ int i, rc;
+
+ for (i=0; table[i].name; i++)
+ {
+ rc = assuan_register_command (ctx, table[i].name, table[i].handler,
+ table[i].help);
+ if (rc)
+ return rc;
+ }
+ return 0;
+}
+
+/* Startup the server. DEFAULT_RECPLIST is the list of recipients as
+ set from the command line or config file. We only require those
+ marked as encrypt-to. */
+void
+gpgsm_server (certlist_t default_recplist)
+{
+ int rc;
+ assuan_fd_t filedes[2];
+ assuan_context_t ctx;
+ struct server_control_s ctrl;
+ static const char hello[] = ("GNU Privacy Guard's S/M server "
+ VERSION " ready");
+
+ memset (&ctrl, 0, sizeof ctrl);
+ gpgsm_init_default_ctrl (&ctrl);
+
+ /* We use a pipe based server so that we can work from scripts.
+ assuan_init_pipe_server will automagically detect when we are
+ called with a socketpair and ignore FILEDES in this case. */
+#ifdef HAVE_W32CE_SYSTEM
+ #define SERVER_STDIN es_fileno(es_stdin)
+ #define SERVER_STDOUT es_fileno(es_stdout)
+#else
+#define SERVER_STDIN 0
+#define SERVER_STDOUT 1
+#endif
+ filedes[0] = assuan_fdopen (SERVER_STDIN);
+ filedes[1] = assuan_fdopen (SERVER_STDOUT);
+ rc = assuan_new (&ctx);
+ if (rc)
+ {
+ log_error ("failed to allocate assuan context: %s\n",
+ gpg_strerror (rc));
+ gpgsm_exit (2);
+ }
+
+ rc = assuan_init_pipe_server (ctx, filedes);
+ if (rc)
+ {
+ log_error ("failed to initialize the server: %s\n",
+ gpg_strerror (rc));
+ gpgsm_exit (2);
+ }
+ rc = register_commands (ctx);
+ if (rc)
+ {
+ log_error ("failed to the register commands with Assuan: %s\n",
+ gpg_strerror(rc));
+ gpgsm_exit (2);
+ }
+ if (opt.verbose || opt.debug)
+ {
+ char *tmp;
+
+ /* Fixme: Use the really used socket name. */
+ if (asprintf (&tmp,
+ "Home: %s\n"
+ "Config: %s\n"
+ "DirmngrInfo: %s\n"
+ "%s",
+ gnupg_homedir (),
+ opt.config_filename,
+ dirmngr_socket_name (),
+ hello) > 0)
+ {
+ assuan_set_hello_line (ctx, tmp);
+ free (tmp);
+ }
+ }
+ else
+ assuan_set_hello_line (ctx, hello);
+
+ assuan_register_reset_notify (ctx, reset_notify);
+ assuan_register_input_notify (ctx, input_notify);
+ assuan_register_output_notify (ctx, output_notify);
+ assuan_register_option_handler (ctx, option_handler);
+
+ assuan_set_pointer (ctx, &ctrl);
+ ctrl.server_local = xcalloc (1, sizeof *ctrl.server_local);
+ ctrl.server_local->assuan_ctx = ctx;
+ ctrl.server_local->message_fd = -1;
+ ctrl.server_local->list_internal = 1;
+ ctrl.server_local->list_external = 0;
+ ctrl.server_local->default_recplist = default_recplist;
+
+ for (;;)
+ {
+ rc = assuan_accept (ctx);
+ if (rc == -1)
+ {
+ break;
+ }
+ else if (rc)
+ {
+ log_info ("Assuan accept problem: %s\n", gpg_strerror (rc));
+ break;
+ }
+
+ rc = assuan_process (ctx);
+ if (rc)
+ {
+ log_info ("Assuan processing failed: %s\n", gpg_strerror (rc));
+ continue;
+ }
+ }
+
+ gpgsm_release_certlist (ctrl.server_local->recplist);
+ ctrl.server_local->recplist = NULL;
+ gpgsm_release_certlist (ctrl.server_local->signerlist);
+ ctrl.server_local->signerlist = NULL;
+ xfree (ctrl.server_local);
+
+ audit_release (ctrl.audit);
+ ctrl.audit = NULL;
+
+ assuan_release (ctx);
+}
+
+
+
+gpg_error_t
+gpgsm_status2 (ctrl_t ctrl, int no, ...)
+{
+ gpg_error_t err = 0;
+ va_list arg_ptr;
+ const char *text;
+
+ va_start (arg_ptr, no);
+
+ if (ctrl->no_server && ctrl->status_fd == -1)
+ ; /* No status wanted. */
+ else if (ctrl->no_server)
+ {
+ if (!statusfp)
+ {
+ if (ctrl->status_fd == 1)
+ statusfp = stdout;
+ else if (ctrl->status_fd == 2)
+ statusfp = stderr;
+ else
+ statusfp = fdopen (ctrl->status_fd, "w");
+
+ if (!statusfp)
+ {
+ log_fatal ("can't open fd %d for status output: %s\n",
+ ctrl->status_fd, strerror(errno));
+ }
+ }
+
+ fputs ("[GNUPG:] ", statusfp);
+ fputs (get_status_string (no), statusfp);
+
+ while ( (text = va_arg (arg_ptr, const char*) ))
+ {
+ putc ( ' ', statusfp );
+ for (; *text; text++)
+ {
+ if (*text == '\n')
+ fputs ( "\\n", statusfp );
+ else if (*text == '\r')
+ fputs ( "\\r", statusfp );
+ else
+ putc ( *(const byte *)text, statusfp );
+ }
+ }
+ putc ('\n', statusfp);
+ fflush (statusfp);
+ }
+ else
+ {
+ err = vprint_assuan_status_strings (ctrl->server_local->assuan_ctx,
+ get_status_string (no), arg_ptr);
+ }
+
+ va_end (arg_ptr);
+ return err;
+}
+
+gpg_error_t
+gpgsm_status (ctrl_t ctrl, int no, const char *text)
+{
+ return gpgsm_status2 (ctrl, no, text, NULL);
+}
+
+gpg_error_t
+gpgsm_status_with_err_code (ctrl_t ctrl, int no, const char *text,
+ gpg_err_code_t ec)
+{
+ char buf[30];
+
+ sprintf (buf, "%u", (unsigned int)ec);
+ if (text)
+ return gpgsm_status2 (ctrl, no, text, buf, NULL);
+ else
+ return gpgsm_status2 (ctrl, no, buf, NULL);
+}
+
+gpg_error_t
+gpgsm_status_with_error (ctrl_t ctrl, int no, const char *text,
+ gpg_error_t err)
+{
+ char buf[30];
+
+ snprintf (buf, sizeof buf, "%u", err);
+ if (text)
+ return gpgsm_status2 (ctrl, no, text, buf, NULL);
+ else
+ return gpgsm_status2 (ctrl, no, buf, NULL);
+}
+
+
+/* Helper to notify the client about Pinentry events. Because that
+ might disturb some older clients, this is only done when enabled
+ via an option. Returns an gpg error code. */
+gpg_error_t
+gpgsm_proxy_pinentry_notify (ctrl_t ctrl, const unsigned char *line)
+{
+ if (!ctrl || !ctrl->server_local
+ || !ctrl->server_local->allow_pinentry_notify)
+ return 0;
+ return assuan_inquire (ctrl->server_local->assuan_ctx, line, NULL, NULL, 0);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-19 05:04:32 +0000