diff options
Diffstat (limited to 'g13/sh-cmd.c')
| -rw-r--r-- | g13/sh-cmd.c | 917 |
1 files changed, 917 insertions, 0 deletions
diff --git a/g13/sh-cmd.c b/g13/sh-cmd.c new file mode 100644 index 0000000..791e3b7 --- /dev/null +++ b/g13/sh-cmd.c @@ -0,0 +1,917 @@ +/* sh-cmd.c - The Assuan server for g13-syshelp + * Copyright (C) 2015 Werner Koch + * + * 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 <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdarg.h> +#include <errno.h> +#include <assert.h> + +#include "g13-syshelp.h" +#include <assuan.h> +#include "../common/i18n.h" +#include "../common/asshelp.h" +#include "keyblob.h" + + +/* Local data for this server module. A pointer to this is stored in + the CTRL object of each connection. */ +struct server_local_s +{ + /* The Assuan context we are working on. */ + assuan_context_t assuan_ctx; + + /* The malloced name of the device. */ + char *devicename; + + /* A stream open for read of the device set by the DEVICE command or + NULL if no DEVICE command has been used. */ + estream_t devicefp; +}; + + + + +/* Local prototypes. */ + + + + +/* + Helper functions. + */ + +/* Set an error and a description. */ +#define set_error(e,t) assuan_set_error (ctx, gpg_error (e), (t)) +#define set_error_fail_cmd() set_error (GPG_ERR_NOT_INITIALIZED, \ + "not called via userv or unknown user") + + +/* Skip over options. Blanks after the options are also removed. */ +static char * +skip_options (const char *line) +{ + while (spacep (line)) + line++; + while ( *line == '-' && line[1] == '-' ) + { + while (*line && !spacep (line)) + line++; + while (spacep (line)) + line++; + } + return (char*)line; +} + + +/* Check whether the option NAME appears in LINE. */ +/* static int */ +/* has_option (const char *line, const char *name) */ +/* { */ +/* const char *s; */ +/* int n = strlen (name); */ + +/* s = strstr (line, name); */ +/* if (s && s >= skip_options (line)) */ +/* return 0; */ +/* return (s && (s == line || spacep (s-1)) && (!s[n] || spacep (s+n))); */ +/* } */ + + +/* Helper to print a message while leaving a command. */ +static gpg_error_t +leave_cmd (assuan_context_t ctx, gpg_error_t err) +{ + if (err) + { + const char *name = assuan_get_command_name (ctx); + if (!name) + name = "?"; + if (gpg_err_source (err) == GPG_ERR_SOURCE_DEFAULT) + log_error ("command '%s' failed: %s\n", name, + gpg_strerror (err)); + else + log_error ("command '%s' failed: %s <%s>\n", name, + gpg_strerror (err), gpg_strsource (err)); + } + return err; +} + + + + +/* The handler for Assuan OPTION commands. */ +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; + + (void)ctrl; + (void)key; + (void)value; + + if (ctrl->fail_all_cmds) + err = set_error_fail_cmd (); + else + err = gpg_error (GPG_ERR_UNKNOWN_OPTION); + + return err; +} + + +/* The handler for an Assuan RESET command. */ +static gpg_error_t +reset_notify (assuan_context_t ctx, char *line) +{ + ctrl_t ctrl = assuan_get_pointer (ctx); + + (void)line; + + xfree (ctrl->server_local->devicename); + ctrl->server_local->devicename = NULL; + es_fclose (ctrl->server_local->devicefp); + ctrl->server_local->devicefp = NULL; + ctrl->devti = NULL; + + assuan_close_input_fd (ctx); + assuan_close_output_fd (ctx); + return 0; +} + + +static const char hlp_finddevice[] = + "FINDDEVICE <name>\n" + "\n" + "Find the device matching NAME. NAME be any identifier from\n" + "g13tab permissible for the user. The corresponding block\n" + "device is returned using a status line."; +static gpg_error_t +cmd_finddevice (assuan_context_t ctx, char *line) +{ + ctrl_t ctrl = assuan_get_pointer (ctx); + gpg_error_t err = 0; + tab_item_t ti; + const char *s; + const char *name; + + name = skip_options (line); + + /* Are we allowed to use the given device? We check several names: + * 1. The full block device + * 2. The label + * 3. The final part of the block device if NAME does not have a slash. + * 4. The mountpoint + */ + for (ti=ctrl->client.tab; ti; ti = ti->next) + if (!strcmp (name, ti->blockdev)) + break; + if (!ti) + { + for (ti=ctrl->client.tab; ti; ti = ti->next) + if (ti->label && !strcmp (name, ti->label)) + break; + } + if (!ti && !strchr (name, '/')) + { + for (ti=ctrl->client.tab; ti; ti = ti->next) + { + s = strrchr (ti->blockdev, '/'); + if (s && s[1] && !strcmp (name, s+1)) + break; + } + } + if (!ti) + { + for (ti=ctrl->client.tab; ti; ti = ti->next) + if (ti->mountpoint && !strcmp (name, ti->mountpoint)) + break; + } + + if (!ti) + { + err = set_error (GPG_ERR_NOT_FOUND, "device not configured for user"); + goto leave; + } + + /* Check whether we have permissions to open the device. */ + { + estream_t fp = es_fopen (ti->blockdev, "rb"); + if (!fp) + { + err = gpg_error_from_syserror (); + log_error ("error opening '%s': %s\n", + ti->blockdev, gpg_strerror (err)); + goto leave; + } + es_fclose (fp); + } + + err = g13_status (ctrl, STATUS_BLOCKDEV, ti->blockdev, NULL); + if (err) + return err; + + leave: + return leave_cmd (ctx, err); +} + + +static const char hlp_device[] = + "DEVICE <name>\n" + "\n" + "Set the device used by further commands.\n" + "A device name or a PARTUUID string may be used.\n" + "Access to that device (by the g13 system) is locked\n" + "until a new DEVICE command or end of this process\n"; +static gpg_error_t +cmd_device (assuan_context_t ctx, char *line) +{ + ctrl_t ctrl = assuan_get_pointer (ctx); + gpg_error_t err = 0; + tab_item_t ti; + estream_t fp = NULL; + + line = skip_options (line); + +/* # warning hardwired to /dev/sdb1 ! */ +/* if (strcmp (line, "/dev/sdb1")) */ +/* { */ +/* err = gpg_error (GPG_ERR_ENOENT); */ +/* goto leave; */ +/* } */ + + /* Always close an open device stream of this session. */ + xfree (ctrl->server_local->devicename); + ctrl->server_local->devicename = NULL; + es_fclose (ctrl->server_local->devicefp); + ctrl->server_local->devicefp = NULL; + + /* Are we allowed to use the given device? */ + for (ti=ctrl->client.tab; ti; ti = ti->next) + if (!strcmp (line, ti->blockdev)) + break; + if (!ti) + { + err = set_error (GPG_ERR_EACCES, "device not configured for user"); + goto leave; + } + + ctrl->server_local->devicename = xtrystrdup (line); + if (!ctrl->server_local->devicename) + { + err = gpg_error_from_syserror (); + goto leave; + } + + + /* Check whether we have permissions to open the device and keep an + FD open. */ + fp = es_fopen (ctrl->server_local->devicename, "rb"); + if (!fp) + { + err = gpg_error_from_syserror (); + log_error ("error opening '%s': %s\n", + ctrl->server_local->devicename, gpg_strerror (err)); + goto leave; + } + + es_fclose (ctrl->server_local->devicefp); + ctrl->server_local->devicefp = fp; + fp = NULL; + ctrl->devti = ti; + + /* Fixme: Take some kind of lock. */ + + leave: + es_fclose (fp); + if (err) + { + xfree (ctrl->server_local->devicename); + ctrl->server_local->devicename = NULL; + ctrl->devti = NULL; + } + return leave_cmd (ctx, err); +} + + +static const char hlp_create[] = + "CREATE <type>\n" + "\n" + "Create a new encrypted partition on the current device.\n" + "<type> must be \"dm-crypt\" for now."; +static gpg_error_t +cmd_create (assuan_context_t ctx, char *line) +{ + ctrl_t ctrl = assuan_get_pointer (ctx); + gpg_error_t err = 0; + estream_t fp = NULL; + + line = skip_options (line); + if (strcmp (line, "dm-crypt")) + { + err = set_error (GPG_ERR_INV_ARG, "Type must be \"dm-crypt\""); + goto leave; + } + + if (!ctrl->server_local->devicename + || !ctrl->server_local->devicefp + || !ctrl->devti) + { + err = set_error (GPG_ERR_ENOENT, "No device has been set"); + goto leave; + } + + err = sh_is_empty_partition (ctrl->server_local->devicename); + if (err) + { + if (gpg_err_code (err) == GPG_ERR_FALSE) + err = gpg_error (GPG_ERR_CONFLICT); + err = assuan_set_error (ctx, err, "Partition is not empty"); + goto leave; + } + + /* We need a writeable stream to create the container. */ + fp = es_fopen (ctrl->server_local->devicename, "r+b"); + if (!fp) + { + err = gpg_error_from_syserror (); + log_error ("error opening '%s': %s\n", + ctrl->server_local->devicename, gpg_strerror (err)); + goto leave; + } + if (es_setvbuf (fp, NULL, _IONBF, 0)) + { + err = gpg_error_from_syserror (); + log_error ("error setting '%s' to _IONBF: %s\n", + ctrl->server_local->devicename, gpg_strerror (err)); + goto leave; + } + + err = sh_dmcrypt_create_container (ctrl, + ctrl->server_local->devicename, + fp); + if (es_fclose (fp)) + { + gpg_error_t err2 = gpg_error_from_syserror (); + log_error ("error closing '%s': %s\n", + ctrl->server_local->devicename, gpg_strerror (err2)); + if (!err) + err = err2; + } + fp = NULL; + + leave: + es_fclose (fp); + return leave_cmd (ctx, err); +} + + +static const char hlp_getkeyblob[] = + "GETKEYBLOB\n" + "\n" + "Return the encrypted keyblob of the current device."; +static gpg_error_t +cmd_getkeyblob (assuan_context_t ctx, char *line) +{ + ctrl_t ctrl = assuan_get_pointer (ctx); + gpg_error_t err; + void *enckeyblob = NULL; + size_t enckeybloblen; + + line = skip_options (line); + + if (!ctrl->server_local->devicename + || !ctrl->server_local->devicefp + || !ctrl->devti) + { + err = set_error (GPG_ERR_ENOENT, "No device has been set"); + goto leave; + } + + err = sh_is_empty_partition (ctrl->server_local->devicename); + if (!err) + { + err = gpg_error (GPG_ERR_ENODEV); + assuan_set_error (ctx, err, "Partition is empty"); + goto leave; + } + err = 0; + + err = g13_keyblob_read (ctrl->server_local->devicename, + &enckeyblob, &enckeybloblen); + if (err) + goto leave; + + err = assuan_send_data (ctx, enckeyblob, enckeybloblen); + if (!err) + err = assuan_send_data (ctx, NULL, 0); /* Flush */ + + leave: + xfree (enckeyblob); + return leave_cmd (ctx, err); +} + + +static const char hlp_mount[] = + "MOUNT <type>\n" + "\n" + "Mount an encrypted partition on the current device.\n" + "<type> must be \"dm-crypt\" for now."; +static gpg_error_t +cmd_mount (assuan_context_t ctx, char *line) +{ + ctrl_t ctrl = assuan_get_pointer (ctx); + gpg_error_t err = 0; + unsigned char *keyblob = NULL; + size_t keybloblen; + tupledesc_t tuples = NULL; + + line = skip_options (line); + + if (strcmp (line, "dm-crypt")) + { + err = set_error (GPG_ERR_INV_ARG, "Type must be \"dm-crypt\""); + goto leave; + } + + if (!ctrl->server_local->devicename + || !ctrl->server_local->devicefp + || !ctrl->devti) + { + err = set_error (GPG_ERR_ENOENT, "No device has been set"); + goto leave; + } + + err = sh_is_empty_partition (ctrl->server_local->devicename); + if (!err) + { + err = gpg_error (GPG_ERR_ENODEV); + assuan_set_error (ctx, err, "Partition is empty"); + goto leave; + } + err = 0; + + /* We expect that the client already decrypted the keyblob. + * Eventually we should move reading of the keyblob to here and ask + * the client to decrypt it. */ + assuan_begin_confidential (ctx); + err = assuan_inquire (ctx, "KEYBLOB", + &keyblob, &keybloblen, 4 * 1024); + assuan_end_confidential (ctx); + if (err) + { + log_error (_("assuan_inquire failed: %s\n"), gpg_strerror (err)); + goto leave; + } + err = create_tupledesc (&tuples, keyblob, keybloblen); + if (!err) + keyblob = NULL; + else + { + if (gpg_err_code (err) == GPG_ERR_NOT_SUPPORTED) + log_error ("unknown keyblob version received\n"); + goto leave; + } + + err = sh_dmcrypt_mount_container (ctrl, + ctrl->server_local->devicename, + tuples); + + leave: + destroy_tupledesc (tuples); + return leave_cmd (ctx, err); +} + + +static const char hlp_umount[] = + "UMOUNT <type>\n" + "\n" + "Unmount an encrypted partition and wipe the key.\n" + "<type> must be \"dm-crypt\" for now."; +static gpg_error_t +cmd_umount (assuan_context_t ctx, char *line) +{ + ctrl_t ctrl = assuan_get_pointer (ctx); + gpg_error_t err = 0; + + line = skip_options (line); + + if (strcmp (line, "dm-crypt")) + { + err = set_error (GPG_ERR_INV_ARG, "Type must be \"dm-crypt\""); + goto leave; + } + + if (!ctrl->server_local->devicename + || !ctrl->server_local->devicefp + || !ctrl->devti) + { + err = set_error (GPG_ERR_ENOENT, "No device has been set"); + goto leave; + } + + err = sh_dmcrypt_umount_container (ctrl, ctrl->server_local->devicename); + + leave: + return leave_cmd (ctx, err); +} + + +static const char hlp_suspend[] = + "SUSPEND <type>\n" + "\n" + "Suspend an encrypted partition and wipe the key.\n" + "<type> must be \"dm-crypt\" for now."; +static gpg_error_t +cmd_suspend (assuan_context_t ctx, char *line) +{ + ctrl_t ctrl = assuan_get_pointer (ctx); + gpg_error_t err = 0; + + line = skip_options (line); + + if (strcmp (line, "dm-crypt")) + { + err = set_error (GPG_ERR_INV_ARG, "Type must be \"dm-crypt\""); + goto leave; + } + + if (!ctrl->server_local->devicename + || !ctrl->server_local->devicefp + || !ctrl->devti) + { + err = set_error (GPG_ERR_ENOENT, "No device has been set"); + goto leave; + } + + err = sh_is_empty_partition (ctrl->server_local->devicename); + if (!err) + { + err = gpg_error (GPG_ERR_ENODEV); + assuan_set_error (ctx, err, "Partition is empty"); + goto leave; + } + err = 0; + + err = sh_dmcrypt_suspend_container (ctrl, ctrl->server_local->devicename); + + leave: + return leave_cmd (ctx, err); +} + + +static const char hlp_resume[] = + "RESUME <type>\n" + "\n" + "Resume an encrypted partition and set the key.\n" + "<type> must be \"dm-crypt\" for now."; +static gpg_error_t +cmd_resume (assuan_context_t ctx, char *line) +{ + ctrl_t ctrl = assuan_get_pointer (ctx); + gpg_error_t err = 0; + unsigned char *keyblob = NULL; + size_t keybloblen; + tupledesc_t tuples = NULL; + + line = skip_options (line); + + if (strcmp (line, "dm-crypt")) + { + err = set_error (GPG_ERR_INV_ARG, "Type must be \"dm-crypt\""); + goto leave; + } + + if (!ctrl->server_local->devicename + || !ctrl->server_local->devicefp + || !ctrl->devti) + { + err = set_error (GPG_ERR_ENOENT, "No device has been set"); + goto leave; + } + + err = sh_is_empty_partition (ctrl->server_local->devicename); + if (!err) + { + err = gpg_error (GPG_ERR_ENODEV); + assuan_set_error (ctx, err, "Partition is empty"); + goto leave; + } + err = 0; + + /* We expect that the client already decrypted the keyblob. + * Eventually we should move reading of the keyblob to here and ask + * the client to decrypt it. */ + assuan_begin_confidential (ctx); + err = assuan_inquire (ctx, "KEYBLOB", + &keyblob, &keybloblen, 4 * 1024); + assuan_end_confidential (ctx); + if (err) + { + log_error (_("assuan_inquire failed: %s\n"), gpg_strerror (err)); + goto leave; + } + err = create_tupledesc (&tuples, keyblob, keybloblen); + if (!err) + keyblob = NULL; + else + { + if (gpg_err_code (err) == GPG_ERR_NOT_SUPPORTED) + log_error ("unknown keyblob version received\n"); + goto leave; + } + + err = sh_dmcrypt_resume_container (ctrl, + ctrl->server_local->devicename, + tuples); + + leave: + destroy_tupledesc (tuples); + return leave_cmd (ctx, err); +} + + +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" + " showtab - Show the table for the user."; +static gpg_error_t +cmd_getinfo (assuan_context_t ctx, char *line) +{ + ctrl_t ctrl = assuan_get_pointer (ctx); + gpg_error_t err = 0; + char *buf; + + if (!strcmp (line, "version")) + { + const char *s = PACKAGE_VERSION; + err = assuan_send_data (ctx, s, strlen (s)); + } + else if (!strcmp (line, "pid")) + { + char numbuf[50]; + + snprintf (numbuf, sizeof numbuf, "%lu", (unsigned long)getpid ()); + err = assuan_send_data (ctx, numbuf, strlen (numbuf)); + } + else if (!strncmp (line, "getsz", 5)) + { + unsigned long long nblocks; + err = sh_blockdev_getsz (line+6, &nblocks); + if (!err) + log_debug ("getsz=%llu\n", nblocks); + } + else if (!strcmp (line, "showtab")) + { + tab_item_t ti; + + for (ti=ctrl->client.tab; !err && ti; ti = ti->next) + { + buf = es_bsprintf ("%s %s%s %s %s%s\n", + ctrl->client.uname, + *ti->blockdev=='/'? "":"partuuid=", + ti->blockdev, + ti->label? ti->label : "-", + ti->mountpoint? " ":"", + ti->mountpoint? ti->mountpoint:""); + if (!buf) + err = gpg_error_from_syserror (); + else + { + err = assuan_send_data (ctx, buf, strlen (buf)); + if (!err) + err = assuan_send_data (ctx, NULL, 0); /* Flush */ + } + xfree (buf); + } + } + else + err = set_error (GPG_ERR_ASS_PARAMETER, "unknown value for WHAT"); + + return leave_cmd (ctx, err); +} + + +/* This command handler is used for all commands if this process has + not been started as expected. */ +static gpg_error_t +fail_command (assuan_context_t ctx, char *line) +{ + gpg_error_t err; + const char *name = assuan_get_command_name (ctx); + + (void)line; + + if (!name) + name = "?"; + + err = set_error_fail_cmd (); + log_error ("command '%s' failed: %s\n", name, gpg_strerror (err)); + return err; +} + + +/* Tell the Assuan library about our commands. */ +static int +register_commands (assuan_context_t ctx, int fail_all) +{ + static struct { + const char *name; + assuan_handler_t handler; + const char * const help; + } table[] = { + { "FINDDEVICE", cmd_finddevice, hlp_finddevice }, + { "DEVICE", cmd_device, hlp_device }, + { "CREATE", cmd_create, hlp_create }, + { "GETKEYBLOB", cmd_getkeyblob, hlp_getkeyblob }, + { "MOUNT", cmd_mount, hlp_mount }, + { "UMOUNT", cmd_umount, hlp_umount }, + { "SUSPEND", cmd_suspend,hlp_suspend}, + { "RESUME", cmd_resume, hlp_resume }, + { "INPUT", NULL }, + { "OUTPUT", NULL }, + { "GETINFO", cmd_getinfo, hlp_getinfo }, + { NULL } + }; + gpg_error_t err; + int i; + + for (i=0; table[i].name; i++) + { + err = assuan_register_command (ctx, table[i].name, + fail_all ? fail_command : table[i].handler, + table[i].help); + if (err) + return err; + } + return 0; +} + + +/* Startup the server. */ +gpg_error_t +syshelp_server (ctrl_t ctrl) +{ + gpg_error_t err; + assuan_fd_t filedes[2]; + assuan_context_t ctx = NULL; + + /* 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. */ + filedes[0] = assuan_fdopen (0); + filedes[1] = assuan_fdopen (1); + err = assuan_new (&ctx); + if (err) + { + log_error ("failed to allocate an Assuan context: %s\n", + gpg_strerror (err)); + goto leave; + } + + err = assuan_init_pipe_server (ctx, filedes); + if (err) + { + log_error ("failed to initialize the server: %s\n", gpg_strerror (err)); + goto leave; + } + + err = register_commands (ctx, 0 /*FIXME:ctrl->fail_all_cmds*/); + if (err) + { + log_error ("failed to the register commands with Assuan: %s\n", + gpg_strerror (err)); + goto leave; + } + + assuan_set_pointer (ctx, ctrl); + + { + char *tmp = xtryasprintf ("G13-syshelp %s ready to serve requests " + "from %lu(%s)", + PACKAGE_VERSION, + (unsigned long)ctrl->client.uid, + ctrl->client.uname); + if (tmp) + { + assuan_set_hello_line (ctx, tmp); + xfree (tmp); + } + } + + assuan_register_reset_notify (ctx, reset_notify); + assuan_register_option_handler (ctx, option_handler); + + ctrl->server_local = xtrycalloc (1, sizeof *ctrl->server_local); + if (!ctrl->server_local) + { + err = gpg_error_from_syserror (); + goto leave; + } + ctrl->server_local->assuan_ctx = ctx; + + while ( !(err = assuan_accept (ctx)) ) + { + err = assuan_process (ctx); + if (err) + log_info ("Assuan processing failed: %s\n", gpg_strerror (err)); + } + if (err == -1) + err = 0; + else + log_info ("Assuan accept problem: %s\n", gpg_strerror (err)); + + leave: + reset_notify (ctx, NULL); /* Release all items hold by SERVER_LOCAL. */ + if (ctrl->server_local) + { + xfree (ctrl->server_local); + ctrl->server_local = NULL; + } + + assuan_release (ctx); + return err; +} + + +gpg_error_t +sh_encrypt_keyblob (ctrl_t ctrl, const void *keyblob, size_t keybloblen, + char **r_enckeyblob, size_t *r_enckeybloblen) +{ + assuan_context_t ctx = ctrl->server_local->assuan_ctx; + gpg_error_t err; + unsigned char *enckeyblob; + size_t enckeybloblen; + + *r_enckeyblob = NULL; + + /* Send the plaintext. */ + err = g13_status (ctrl, STATUS_PLAINTEXT_FOLLOWS, NULL); + if (err) + return err; + assuan_begin_confidential (ctx); + err = assuan_send_data (ctx, keyblob, keybloblen); + if (!err) + err = assuan_send_data (ctx, NULL, 0); + assuan_end_confidential (ctx); + if (!err) + err = assuan_write_line (ctx, "END"); + if (err) + { + log_error (_("error sending data: %s\n"), gpg_strerror (err)); + return err; + } + + /* Inquire the ciphertext. */ + err = assuan_inquire (ctx, "ENCKEYBLOB", + &enckeyblob, &enckeybloblen, 16 * 1024); + if (err) + { + log_error (_("assuan_inquire failed: %s\n"), gpg_strerror (err)); + return err; + } + + *r_enckeyblob = enckeyblob; + *r_enckeybloblen = enckeybloblen; + return 0; +} + + +/* Send a status line with status ID NO. The arguments are a list of + strings terminated by a NULL argument. */ +gpg_error_t +g13_status (ctrl_t ctrl, int no, ...) +{ + gpg_error_t err; + va_list arg_ptr; + + va_start (arg_ptr, no); + + err = vprint_assuan_status_strings (ctrl->server_local->assuan_ctx, + get_status_string (no), arg_ptr); + va_end (arg_ptr); + return err; +} |