diff options
Diffstat (limited to 'libkdenetwork/libgpgme-copy/gpgme/rungpg.c')
| -rw-r--r-- | libkdenetwork/libgpgme-copy/gpgme/rungpg.c | 2111 |
1 files changed, 0 insertions, 2111 deletions
diff --git a/libkdenetwork/libgpgme-copy/gpgme/rungpg.c b/libkdenetwork/libgpgme-copy/gpgme/rungpg.c deleted file mode 100644 index d09cdf3b6..000000000 --- a/libkdenetwork/libgpgme-copy/gpgme/rungpg.c +++ /dev/null @@ -1,2111 +0,0 @@ -/* rungpg.c - Gpg Engine. - Copyright (C) 2000 Werner Koch (dd9jn) - Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 g10 Code GmbH - - This file is part of GPGME. - - GPGME is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of - the License, or (at your option) any later version. - - GPGME 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - 02110-1301, USA. */ - -#if HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include <errno.h> -#include <unistd.h> -#include <locale.h> - -#include "gpgme.h" -#include "util.h" -#include "ops.h" -#include "wait.h" -#include "context.h" /*temp hack until we have GpmeData methods to do I/O */ -#include "priv-io.h" -#include "sema.h" -#include "debug.h" - -#include "status-table.h" -#include "engine-backend.h" - - -/* This type is used to build a list of gpg arguments and data - sources/sinks. */ -struct arg_and_data_s -{ - struct arg_and_data_s *next; - gpgme_data_t data; /* If this is not NULL, use arg below. */ - int inbound; /* True if this is used for reading from gpg. */ - int dup_to; - int print_fd; /* Print the fd number and not the special form of it. */ - char arg[1]; /* Used if data above is not used. */ -}; - - -struct fd_data_map_s -{ - gpgme_data_t data; - int inbound; /* true if this is used for reading from gpg */ - int dup_to; - int fd; /* the fd to use */ - int peer_fd; /* the outher side of the pipe */ - void *tag; -}; - - -typedef gpgme_error_t (*colon_preprocessor_t) (char *line, char **rline); - -struct engine_gpg -{ - char *file_name; - - char *lc_messages; - char *lc_ctype; - - struct arg_and_data_s *arglist; - struct arg_and_data_s **argtail; - - struct - { - int fd[2]; - size_t bufsize; - char *buffer; - size_t readpos; - int eof; - engine_status_handler_t fnc; - void *fnc_value; - void *tag; - } status; - - /* This is a kludge - see the comment at colon_line_handler. */ - struct - { - int fd[2]; - size_t bufsize; - char *buffer; - size_t readpos; - int eof; - engine_colon_line_handler_t fnc; /* this indicate use of this structrue */ - void *fnc_value; - void *tag; - colon_preprocessor_t preprocess_fnc; - } colon; - - char **argv; - struct fd_data_map_s *fd_data_map; - - /* stuff needed for interactive (command) mode */ - struct - { - int used; - int fd; - void *cb_data; - int idx; /* Index in fd_data_map */ - gpgme_status_code_t code; /* last code */ - char *keyword; /* what has been requested (malloced) */ - engine_command_handler_t fnc; - void *fnc_value; - /* The kludges never end. This is used to couple command handlers - with output data in edit key mode. */ - gpgme_data_t linked_data; - int linked_idx; - } cmd; - - struct gpgme_io_cbs io_cbs; -}; - -typedef struct engine_gpg *engine_gpg_t; - - -static void -gpg_io_event (void *engine, gpgme_event_io_t type, void *type_data) -{ - engine_gpg_t gpg = engine; - - if (gpg->io_cbs.event) - (*gpg->io_cbs.event) (gpg->io_cbs.event_priv, type, type_data); -} - - -static void -close_notify_handler (int fd, void *opaque) -{ - engine_gpg_t gpg = opaque; - assert (fd != -1); - - if (gpg->status.fd[0] == fd) - { - if (gpg->status.tag) - (*gpg->io_cbs.remove) (gpg->status.tag); - gpg->status.fd[0] = -1; - } - else if (gpg->status.fd[1] == fd) - gpg->status.fd[1] = -1; - else if (gpg->colon.fd[0] == fd) - { - if (gpg->colon.tag) - (*gpg->io_cbs.remove) (gpg->colon.tag); - gpg->colon.fd[0] = -1; - } - else if (gpg->colon.fd[1] == fd) - gpg->colon.fd[1] = -1; - else if (gpg->fd_data_map) - { - int i; - - for (i = 0; gpg->fd_data_map[i].data; i++) - { - if (gpg->fd_data_map[i].fd == fd) - { - if (gpg->fd_data_map[i].tag) - (*gpg->io_cbs.remove) (gpg->fd_data_map[i].tag); - gpg->fd_data_map[i].fd = -1; - break; - } - if (gpg->fd_data_map[i].peer_fd == fd) - { - gpg->fd_data_map[i].peer_fd = -1; - break; - } - } - } -} - -/* If FRONT is true, push at the front of the list. Use this for - options added late in the process. */ -static gpgme_error_t -add_arg_ext (engine_gpg_t gpg, const char *arg, int front) -{ - struct arg_and_data_s *a; - - assert (gpg); - assert (arg); - - a = malloc (sizeof *a + strlen (arg)); - if (!a) - return gpg_error_from_errno (errno); - - a->data = NULL; - a->dup_to = -1; - strcpy (a->arg, arg); - if (front) - { - a->next = gpg->arglist; - if (!gpg->arglist) - { - /* If this is the first argument, we need to update the tail - pointer. */ - gpg->argtail = &a->next; - } - gpg->arglist = a; - } - else - { - a->next = NULL; - *gpg->argtail = a; - gpg->argtail = &a->next; - } - - return 0; -} - -static gpgme_error_t -add_arg (engine_gpg_t gpg, const char *arg) -{ - return add_arg_ext (gpg, arg, 0); -} - -static gpgme_error_t -add_data (engine_gpg_t gpg, gpgme_data_t data, int dup_to, int inbound) -{ - struct arg_and_data_s *a; - - assert (gpg); - assert (data); - - a = malloc (sizeof *a - 1); - if (!a) - return gpg_error_from_errno (errno); - a->next = NULL; - a->data = data; - a->inbound = inbound; - if (dup_to == -2) - { - a->print_fd = 1; - a->dup_to = -1; - } - else - { - a->print_fd = 0; - a->dup_to = dup_to; - } - *gpg->argtail = a; - gpg->argtail = &a->next; - return 0; -} - - -static char * -gpg_get_version (const char *file_name) -{ - return _gpgme_get_program_version (file_name ? file_name - : _gpgme_get_gpg_path ()); -} - - -static const char * -gpg_get_req_version (void) -{ - return NEED_GPG_VERSION; -} - - -static void -free_argv (char **argv) -{ - int i; - - for (i = 0; argv[i]; i++) - free (argv[i]); - free (argv); -} - - -static void -free_fd_data_map (struct fd_data_map_s *fd_data_map) -{ - int i; - - if (!fd_data_map) - return; - - for (i = 0; fd_data_map[i].data; i++) - { - if (fd_data_map[i].fd != -1) - _gpgme_io_close (fd_data_map[i].fd); - if (fd_data_map[i].peer_fd != -1) - _gpgme_io_close (fd_data_map[i].peer_fd); - /* Don't release data because this is only a reference. */ - } - free (fd_data_map); -} - - -static gpgme_error_t -gpg_cancel (void *engine) -{ - engine_gpg_t gpg = engine; - - if (!gpg) - return gpg_error (GPG_ERR_INV_VALUE); - - if (gpg->status.fd[0] != -1) - _gpgme_io_close (gpg->status.fd[0]); - if (gpg->status.fd[1] != -1) - _gpgme_io_close (gpg->status.fd[1]); - if (gpg->colon.fd[0] != -1) - _gpgme_io_close (gpg->colon.fd[0]); - if (gpg->colon.fd[1] != -1) - _gpgme_io_close (gpg->colon.fd[1]); - if (gpg->fd_data_map) - { - free_fd_data_map (gpg->fd_data_map); - gpg->fd_data_map = NULL; - } - if (gpg->cmd.fd != -1) - _gpgme_io_close (gpg->cmd.fd); - - return 0; -} - -static void -gpg_release (void *engine) -{ - engine_gpg_t gpg = engine; - - if (!gpg) - return; - - gpg_cancel (engine); - - if (gpg->file_name) - free (gpg->file_name); - - if (gpg->lc_messages) - free (gpg->lc_messages); - if (gpg->lc_ctype) - free (gpg->lc_ctype); - - while (gpg->arglist) - { - struct arg_and_data_s *next = gpg->arglist->next; - - if (gpg->arglist) - free (gpg->arglist); - gpg->arglist = next; - } - - if (gpg->status.buffer) - free (gpg->status.buffer); - if (gpg->colon.buffer) - free (gpg->colon.buffer); - if (gpg->argv) - free_argv (gpg->argv); - if (gpg->cmd.keyword) - free (gpg->cmd.keyword); - - free (gpg); -} - - -static gpgme_error_t -gpg_new (void **engine, const char *file_name, const char *home_dir) -{ - engine_gpg_t gpg; - gpgme_error_t rc = 0; - char *dft_display = NULL; - char dft_ttyname[64]; - char *dft_ttytype = NULL; - - gpg = calloc (1, sizeof *gpg); - if (!gpg) - return gpg_error_from_errno (errno); - - if (file_name) - { - gpg->file_name = strdup (file_name); - if (!gpg->file_name) - { - rc = gpg_error_from_errno (errno); - goto leave; - } - } - - gpg->argtail = &gpg->arglist; - gpg->status.fd[0] = -1; - gpg->status.fd[1] = -1; - gpg->colon.fd[0] = -1; - gpg->colon.fd[1] = -1; - gpg->cmd.fd = -1; - gpg->cmd.idx = -1; - gpg->cmd.linked_data = NULL; - gpg->cmd.linked_idx = -1; - - /* Allocate the read buffer for the status pipe. */ - gpg->status.bufsize = 1024; - gpg->status.readpos = 0; - gpg->status.buffer = malloc (gpg->status.bufsize); - if (!gpg->status.buffer) - { - rc = gpg_error_from_errno (errno); - goto leave; - } - /* In any case we need a status pipe - create it right here and - don't handle it with our generic gpgme_data_t mechanism. */ - if (_gpgme_io_pipe (gpg->status.fd, 1) == -1) - { - rc = gpg_error_from_errno (errno); - goto leave; - } - if (_gpgme_io_set_close_notify (gpg->status.fd[0], - close_notify_handler, gpg) - || _gpgme_io_set_close_notify (gpg->status.fd[1], - close_notify_handler, gpg)) - { - rc = gpg_error (GPG_ERR_GENERAL); - goto leave; - } - gpg->status.eof = 0; - - if (home_dir) - { - rc = add_arg (gpg, "--homedir"); - if (!rc) - rc = add_arg (gpg, home_dir); - if (rc) - goto leave; - } - - rc = add_arg (gpg, "--status-fd"); - if (rc) - goto leave; - - { - char buf[25]; - _gpgme_io_fd2str (buf, sizeof (buf), gpg->status.fd[1]); - rc = add_arg (gpg, buf); - if (rc) - goto leave; - } - - rc = add_arg (gpg, "--no-tty"); - if (!rc) - rc = add_arg (gpg, "--charset"); - if (!rc) - rc = add_arg (gpg, "utf8"); - if (!rc) - rc = add_arg (gpg, "--enable-progress-filter"); - if (rc) - goto leave; - - rc = _gpgme_getenv ("DISPLAY", &dft_display); - if (dft_display) - { - rc = add_arg (gpg, "--display"); - if (!rc) - rc = add_arg (gpg, dft_display); - - free (dft_display); - } - if (rc) - goto leave; - - if (isatty (1)) - { - if (ttyname_r (1, dft_ttyname, sizeof (dft_ttyname))) - rc = gpg_error_from_errno (errno); - else - { - rc = add_arg (gpg, "--ttyname"); - if (!rc) - rc = add_arg (gpg, dft_ttyname); - if (!rc) - { - rc = _gpgme_getenv ("TERM", &dft_ttytype); - if (!rc) - goto leave; - - rc = add_arg (gpg, "--ttytype"); - if (!rc) - rc = add_arg (gpg, dft_ttytype); - - free (dft_ttytype); - } - } - if (rc) - goto leave; - } - - leave: - if (rc) - gpg_release (gpg); - else - *engine = gpg; - return rc; -} - - -static gpgme_error_t -gpg_set_locale (void *engine, int category, const char *value) -{ - engine_gpg_t gpg = engine; - - if (category == LC_CTYPE) - { - if (gpg->lc_ctype) - { - free (gpg->lc_ctype); - gpg->lc_ctype = NULL; - } - if (value) - { - gpg->lc_ctype = strdup (value); - if (!gpg->lc_ctype) - return gpg_error_from_syserror (); - } - } -#ifdef LC_MESSAGES - else if (category == LC_MESSAGES) - { - if (gpg->lc_messages) - { - free (gpg->lc_messages); - gpg->lc_messages = NULL; - } - if (value) - { - gpg->lc_messages = strdup (value); - if (!gpg->lc_messages) - return gpg_error_from_syserror (); - } - } -#endif /* LC_MESSAGES */ - else - return gpg_error (GPG_ERR_INV_VALUE); - - return 0; -} - - -/* Note, that the status_handler is allowed to modifiy the args - value. */ -static void -gpg_set_status_handler (void *engine, engine_status_handler_t fnc, - void *fnc_value) -{ - engine_gpg_t gpg = engine; - - gpg->status.fnc = fnc; - gpg->status.fnc_value = fnc_value; -} - -/* Kludge to process --with-colon output. */ -static gpgme_error_t -gpg_set_colon_line_handler (void *engine, engine_colon_line_handler_t fnc, - void *fnc_value) -{ - engine_gpg_t gpg = engine; - - gpg->colon.bufsize = 1024; - gpg->colon.readpos = 0; - gpg->colon.buffer = malloc (gpg->colon.bufsize); - if (!gpg->colon.buffer) - return gpg_error_from_errno (errno); - - if (_gpgme_io_pipe (gpg->colon.fd, 1) == -1) - { - int saved_errno = errno; - free (gpg->colon.buffer); - gpg->colon.buffer = NULL; - return gpg_error_from_errno (saved_errno); - } - if (_gpgme_io_set_close_notify (gpg->colon.fd[0], close_notify_handler, gpg) - || _gpgme_io_set_close_notify (gpg->colon.fd[1], - close_notify_handler, gpg)) - return gpg_error (GPG_ERR_GENERAL); - gpg->colon.eof = 0; - gpg->colon.fnc = fnc; - gpg->colon.fnc_value = fnc_value; - return 0; -} - - -static gpgme_error_t -command_handler (void *opaque, int fd) -{ - gpgme_error_t err; - engine_gpg_t gpg = (engine_gpg_t) opaque; - int processed = 0; - - assert (gpg->cmd.used); - assert (gpg->cmd.code); - assert (gpg->cmd.fnc); - - err = gpg->cmd.fnc (gpg->cmd.fnc_value, gpg->cmd.code, gpg->cmd.keyword, fd, - &processed); - if (err) - return err; - - /* We always need to send at least a newline character. */ - if (!processed) - _gpgme_io_write (fd, "\n", 1); - - gpg->cmd.code = 0; - /* And sleep again until read_status will wake us up again. */ - /* XXX We must check if there are any more fds active after removing - this one. */ - (*gpg->io_cbs.remove) (gpg->fd_data_map[gpg->cmd.idx].tag); - gpg->cmd.fd = gpg->fd_data_map[gpg->cmd.idx].fd; - gpg->fd_data_map[gpg->cmd.idx].fd = -1; - - return 0; -} - - - -/* The Fnc will be called to get a value for one of the commands with - a key KEY. If the Code pssed to FNC is 0, the function may release - resources associated with the returned value from another call. To - match such a second call to a first call, the returned value from - the first call is passed as keyword. */ -static gpgme_error_t -gpg_set_command_handler (void *engine, engine_command_handler_t fnc, - void *fnc_value, gpgme_data_t linked_data) -{ - engine_gpg_t gpg = engine; - gpgme_error_t rc; - - rc = add_arg (gpg, "--command-fd"); - if (rc) - return rc; - - /* This is a hack. We don't have a real data object. The only - thing that matters is that we use something unique, so we use the - address of the cmd structure in the gpg object. */ - rc = add_data (gpg, (void *) &gpg->cmd, -2, 0); - if (rc) - return rc; - - gpg->cmd.fnc = fnc; - gpg->cmd.cb_data = (void *) &gpg->cmd; - gpg->cmd.fnc_value = fnc_value; - gpg->cmd.linked_data = linked_data; - gpg->cmd.used = 1; - return 0; -} - - -static gpgme_error_t -build_argv (engine_gpg_t gpg) -{ - gpgme_error_t err; - struct arg_and_data_s *a; - struct fd_data_map_s *fd_data_map; - size_t datac=0, argc=0; - char **argv; - int need_special = 0; - int use_agent = 0; - char *p; - - /* We don't want to use the agent with a malformed environment - variable. This is only a very basic test but sufficient to make - our life in the regression tests easier. */ - err = _gpgme_getenv ("GPG_AGENT_INFO", &p); - if (err) - return err; - use_agent = (p && strchr (p, ':')); - if (p) - free (p); - - if (gpg->argv) - { - free_argv (gpg->argv); - gpg->argv = NULL; - } - if (gpg->fd_data_map) - { - free_fd_data_map (gpg->fd_data_map); - gpg->fd_data_map = NULL; - } - - argc++; /* For argv[0]. */ - for (a = gpg->arglist; a; a = a->next) - { - argc++; - if (a->data) - { - /*fprintf (stderr, "build_argv: data\n" );*/ - datac++; - if (a->dup_to == -1 && !a->print_fd) - need_special = 1; - } - else - { - /* fprintf (stderr, "build_argv: arg=`%s'\n", a->arg );*/ - } - } - if (need_special) - argc++; - if (use_agent) - argc++; - if (!gpg->cmd.used) - argc++; /* --batch */ - argc += 1; /* --no-sk-comment */ - - argv = calloc (argc + 1, sizeof *argv); - if (!argv) - return gpg_error_from_errno (errno); - fd_data_map = calloc (datac + 1, sizeof *fd_data_map); - if (!fd_data_map) - { - int saved_errno = errno; - free_argv (argv); - return gpg_error_from_errno (saved_errno); - } - - argc = datac = 0; - argv[argc] = strdup ("gpg"); /* argv[0] */ - if (!argv[argc]) - { - int saved_errno = errno; - free (fd_data_map); - free_argv (argv); - return gpg_error_from_errno (saved_errno); - } - argc++; - if (need_special) - { - argv[argc] = strdup ("--enable-special-filenames"); - if (!argv[argc]) - { - int saved_errno = errno; - free (fd_data_map); - free_argv (argv); - return gpg_error_from_errno (saved_errno); - } - argc++; - } - if (use_agent) - { - argv[argc] = strdup ("--use-agent"); - if (!argv[argc]) - { - int saved_errno = errno; - free (fd_data_map); - free_argv (argv); - return gpg_error_from_errno (saved_errno); - } - argc++; - } - if (!gpg->cmd.used) - { - argv[argc] = strdup ("--batch"); - if (!argv[argc]) - { - int saved_errno = errno; - free (fd_data_map); - free_argv (argv); - return gpg_error_from_errno (saved_errno); - } - argc++; - } - argv[argc] = strdup ("--no-sk-comment"); - if (!argv[argc]) - { - int saved_errno = errno; - free (fd_data_map); - free_argv (argv); - return gpg_error_from_errno (saved_errno); - } - argc++; - for (a = gpg->arglist; a; a = a->next) - { - if (a->data) - { - /* Create a pipe to pass it down to gpg. */ - fd_data_map[datac].inbound = a->inbound; - - /* Create a pipe. */ - { - int fds[2]; - - if (_gpgme_io_pipe (fds, fd_data_map[datac].inbound ? 1 : 0) - == -1) - { - int saved_errno = errno; - free (fd_data_map); - free_argv (argv); - return gpg_error (saved_errno); - } - if (_gpgme_io_set_close_notify (fds[0], - close_notify_handler, gpg) - || _gpgme_io_set_close_notify (fds[1], - close_notify_handler, - gpg)) - { - return gpg_error (GPG_ERR_GENERAL); - } - /* If the data_type is FD, we have to do a dup2 here. */ - if (fd_data_map[datac].inbound) - { - fd_data_map[datac].fd = fds[0]; - fd_data_map[datac].peer_fd = fds[1]; - } - else - { - fd_data_map[datac].fd = fds[1]; - fd_data_map[datac].peer_fd = fds[0]; - } - } - - /* Hack to get hands on the fd later. */ - if (gpg->cmd.used) - { - if (gpg->cmd.cb_data == a->data) - { - assert (gpg->cmd.idx == -1); - gpg->cmd.idx = datac; - } - else if (gpg->cmd.linked_data == a->data) - { - assert (gpg->cmd.linked_idx == -1); - gpg->cmd.linked_idx = datac; - } - } - - fd_data_map[datac].data = a->data; - fd_data_map[datac].dup_to = a->dup_to; - if (a->dup_to == -1) - { - char *ptr; - int buflen = 25; - - argv[argc] = malloc (buflen); - if (!argv[argc]) - { - int saved_errno = errno; - free (fd_data_map); - free_argv (argv); - return gpg_error_from_errno (saved_errno); - } - - ptr = argv[argc]; - if (!a->print_fd) - { - *(ptr++) = '-'; - *(ptr++) = '&'; - buflen -= 2; - } - - _gpgme_io_fd2str (ptr, buflen, fd_data_map[datac].peer_fd); - argc++; - } - datac++; - } - else - { - argv[argc] = strdup (a->arg); - if (!argv[argc]) - { - int saved_errno = errno; - free (fd_data_map); - free_argv (argv); - return gpg_error_from_errno (saved_errno); - } - argc++; - } - } - - gpg->argv = argv; - gpg->fd_data_map = fd_data_map; - return 0; -} - - -static gpgme_error_t -add_io_cb (engine_gpg_t gpg, int fd, int dir, gpgme_io_cb_t handler, void *data, - void **tag) -{ - gpgme_error_t err; - - err = (*gpg->io_cbs.add) (gpg->io_cbs.add_priv, fd, dir, handler, data, tag); - if (err) - return err; - if (!dir) - /* FIXME Kludge around poll() problem. */ - err = _gpgme_io_set_nonblocking (fd); - return err; -} - - -static int -status_cmp (const void *ap, const void *bp) -{ - const struct status_table_s *a = ap; - const struct status_table_s *b = bp; - - return strcmp (a->name, b->name); -} - - -/* Handle the status output of GnuPG. This function does read entire - lines and passes them as C strings to the callback function (we can - use C Strings because the status output is always UTF-8 encoded). - Of course we have to buffer the lines to cope with long lines - e.g. with a large user ID. Note: We can optimize this to only cope - with status line code we know about and skip all other stuff - without buffering (i.e. without extending the buffer). */ -static gpgme_error_t -read_status (engine_gpg_t gpg) -{ - char *p; - int nread; - size_t bufsize = gpg->status.bufsize; - char *buffer = gpg->status.buffer; - size_t readpos = gpg->status.readpos; - - assert (buffer); - if (bufsize - readpos < 256) - { - /* Need more room for the read. */ - bufsize += 1024; - buffer = realloc (buffer, bufsize); - if (!buffer) - return gpg_error_from_errno (errno); - } - - nread = _gpgme_io_read (gpg->status.fd[0], - buffer + readpos, bufsize-readpos); - if (nread == -1) - return gpg_error_from_errno (errno); - - if (!nread) - { - gpg->status.eof = 1; - if (gpg->status.fnc) - { - gpgme_error_t err; - err = gpg->status.fnc (gpg->status.fnc_value, GPGME_STATUS_EOF, ""); - if (err) - return err; - } - return 0; - } - - while (nread > 0) - { - for (p = buffer + readpos; nread; nread--, p++) - { - if (*p == '\n') - { - /* (we require that the last line is terminated by a LF) */ - if (p > buffer && p[-1] == '\r') - p[-1] = 0; - *p = 0; - if (!strncmp (buffer, "[GNUPG:] ", 9) - && buffer[9] >= 'A' && buffer[9] <= 'Z') - { - struct status_table_s t, *r; - char *rest; - - rest = strchr (buffer + 9, ' '); - if (!rest) - rest = p; /* Set to an empty string. */ - else - *rest++ = 0; - - t.name = buffer+9; - /* (the status table has one extra element) */ - r = bsearch (&t, status_table, DIM(status_table) - 1, - sizeof t, status_cmp); - if (r) - { - if (gpg->cmd.used - && (r->code == GPGME_STATUS_GET_BOOL - || r->code == GPGME_STATUS_GET_LINE - || r->code == GPGME_STATUS_GET_HIDDEN)) - { - gpg->cmd.code = r->code; - if (gpg->cmd.keyword) - free (gpg->cmd.keyword); - gpg->cmd.keyword = strdup (rest); - if (!gpg->cmd.keyword) - return gpg_error_from_errno (errno); - /* This should be the last thing we have - received and the next thing will be that - the command handler does its action. */ - if (nread > 1) - DEBUG0 ("ERROR, unexpected data in read_status"); - - add_io_cb (gpg, gpg->cmd.fd, 0, - command_handler, gpg, - &gpg->fd_data_map[gpg->cmd.idx].tag); - gpg->fd_data_map[gpg->cmd.idx].fd = gpg->cmd.fd; - gpg->cmd.fd = -1; - } - else if (gpg->status.fnc) - { - gpgme_error_t err; - err = gpg->status.fnc (gpg->status.fnc_value, - r->code, rest); - if (err) - return err; - } - - if (r->code == GPGME_STATUS_END_STREAM) - { - if (gpg->cmd.used) - { - /* Before we can actually add the - command fd, we might have to flush - the linked output data pipe. */ - if (gpg->cmd.linked_idx != -1 - && gpg->fd_data_map[gpg->cmd.linked_idx].fd - != -1) - { - struct io_select_fd_s fds; - fds.fd = - gpg->fd_data_map[gpg->cmd.linked_idx].fd; - fds.for_read = 1; - fds.for_write = 0; - fds.frozen = 0; - fds.opaque = NULL; - do - { - fds.signaled = 0; - _gpgme_io_select (&fds, 1, 1); - if (fds.signaled) - _gpgme_data_inbound_handler - (gpg->cmd.linked_data, fds.fd); - } - while (fds.signaled); - } - - /* XXX We must check if there are any - more fds active after removing this - one. */ - (*gpg->io_cbs.remove) - (gpg->fd_data_map[gpg->cmd.idx].tag); - gpg->cmd.fd = gpg->fd_data_map[gpg->cmd.idx].fd; - gpg->fd_data_map[gpg->cmd.idx].fd = -1; - } - } - } - } - /* To reuse the buffer for the next line we have to - shift the remaining data to the buffer start and - restart the loop Hmmm: We can optimize this function - by looking forward in the buffer to see whether a - second complete line is available and in this case - avoid the memmove for this line. */ - nread--; p++; - if (nread) - memmove (buffer, p, nread); - readpos = 0; - break; /* the for loop */ - } - else - readpos++; - } - } - - /* Update the gpg object. */ - gpg->status.bufsize = bufsize; - gpg->status.buffer = buffer; - gpg->status.readpos = readpos; - return 0; -} - - -static gpgme_error_t -status_handler (void *opaque, int fd) -{ - engine_gpg_t gpg = opaque; - int err; - - assert (fd == gpg->status.fd[0]); - err = read_status (gpg); - if (err) - return err; - if (gpg->status.eof) - _gpgme_io_close (fd); - return 0; -} - - -static gpgme_error_t -read_colon_line (engine_gpg_t gpg) -{ - char *p; - int nread; - size_t bufsize = gpg->colon.bufsize; - char *buffer = gpg->colon.buffer; - size_t readpos = gpg->colon.readpos; - - assert (buffer); - if (bufsize - readpos < 256) - { - /* Need more room for the read. */ - bufsize += 1024; - buffer = realloc (buffer, bufsize); - if (!buffer) - return gpg_error_from_errno (errno); - } - - nread = _gpgme_io_read (gpg->colon.fd[0], buffer+readpos, bufsize-readpos); - if (nread == -1) - return gpg_error_from_errno (errno); - - if (!nread) - { - gpg->colon.eof = 1; - assert (gpg->colon.fnc); - gpg->colon.fnc (gpg->colon.fnc_value, NULL); - return 0; - } - - while (nread > 0) - { - for (p = buffer + readpos; nread; nread--, p++) - { - if ( *p == '\n' ) - { - /* (we require that the last line is terminated by a LF) - and we skip empty lines. Note: we use UTF8 encoding - and escaping of special characters. We require at - least one colon to cope with some other printed - information. */ - *p = 0; - if (*buffer && strchr (buffer, ':')) - { - char *line = NULL; - - if (gpg->colon.preprocess_fnc) - { - gpgme_error_t err; - - err = gpg->colon.preprocess_fnc (buffer, &line); - if (err) - return err; - } - - assert (gpg->colon.fnc); - gpg->colon.fnc (gpg->colon.fnc_value, line ? line : buffer); - if (line) - free (line); - } - - /* To reuse the buffer for the next line we have to - shift the remaining data to the buffer start and - restart the loop Hmmm: We can optimize this function - by looking forward in the buffer to see whether a - second complete line is available and in this case - avoid the memmove for this line. */ - nread--; p++; - if (nread) - memmove (buffer, p, nread); - readpos = 0; - break; /* The for loop. */ - } - else - readpos++; - } - } - - /* Update the gpg object. */ - gpg->colon.bufsize = bufsize; - gpg->colon.buffer = buffer; - gpg->colon.readpos = readpos; - return 0; -} - - -/* This colonline handler thing is not the clean way to do it. It - might be better to enhance the gpgme_data_t object to act as a wrapper - for a callback. Same goes for the status thing. For now we use - this thing here because it is easier to implement. */ -static gpgme_error_t -colon_line_handler (void *opaque, int fd) -{ - engine_gpg_t gpg = opaque; - gpgme_error_t rc = 0; - - assert (fd == gpg->colon.fd[0]); - rc = read_colon_line (gpg); - if (rc) - return rc; - if (gpg->colon.eof) - _gpgme_io_close (fd); - return 0; -} - - -static gpgme_error_t -start (engine_gpg_t gpg) -{ - gpgme_error_t rc; - int saved_errno; - int i, n; - int status; - struct spawn_fd_item_s *fd_child_list, *fd_parent_list; - - if (!gpg) - return gpg_error (GPG_ERR_INV_VALUE); - - if (!gpg->file_name && !_gpgme_get_gpg_path ()) - return gpg_error (GPG_ERR_INV_ENGINE); - - if (gpg->lc_ctype) - { - rc = add_arg_ext (gpg, gpg->lc_ctype, 1); - if (!rc) - rc = add_arg_ext (gpg, "--lc-ctype", 1); - if (rc) - return rc; - } - - if (gpg->lc_messages) - { - rc = add_arg_ext (gpg, gpg->lc_messages, 1); - if (!rc) - rc = add_arg_ext (gpg, "--lc-messages", 1); - if (rc) - return rc; - } - - rc = build_argv (gpg); - if (rc) - return rc; - - n = 3; /* status_fd, colon_fd and end of list */ - for (i = 0; gpg->fd_data_map[i].data; i++) - n++; - fd_child_list = calloc (n + n, sizeof *fd_child_list); - if (!fd_child_list) - return gpg_error_from_errno (errno); - fd_parent_list = fd_child_list + n; - - /* build the fd list for the child */ - n = 0; - if (gpg->colon.fnc) - { - fd_child_list[n].fd = gpg->colon.fd[1]; - fd_child_list[n].dup_to = 1; /* dup to stdout */ - n++; - } - for (i = 0; gpg->fd_data_map[i].data; i++) - { - if (gpg->fd_data_map[i].dup_to != -1) - { - fd_child_list[n].fd = gpg->fd_data_map[i].peer_fd; - fd_child_list[n].dup_to = gpg->fd_data_map[i].dup_to; - n++; - } - } - fd_child_list[n].fd = -1; - fd_child_list[n].dup_to = -1; - - /* Build the fd list for the parent. */ - n = 0; - if (gpg->status.fd[1] != -1) - { - fd_parent_list[n].fd = gpg->status.fd[1]; - fd_parent_list[n].dup_to = -1; - n++; - } - if (gpg->colon.fd[1] != -1) - { - fd_parent_list[n].fd = gpg->colon.fd[1]; - fd_parent_list[n].dup_to = -1; - n++; - } - for (i = 0; gpg->fd_data_map[i].data; i++) - { - fd_parent_list[n].fd = gpg->fd_data_map[i].peer_fd; - fd_parent_list[n].dup_to = -1; - n++; - } - fd_parent_list[n].fd = -1; - fd_parent_list[n].dup_to = -1; - - status = _gpgme_io_spawn (gpg->file_name ? gpg->file_name : - _gpgme_get_gpg_path (), - gpg->argv, fd_child_list, fd_parent_list); - saved_errno = errno; - free (fd_child_list); - if (status == -1) - return gpg_error_from_errno (saved_errno); - - /*_gpgme_register_term_handler ( closure, closure_value, pid );*/ - - rc = add_io_cb (gpg, gpg->status.fd[0], 1, status_handler, gpg, - &gpg->status.tag); - if (rc) - /* FIXME: kill the child */ - return rc; - - if (gpg->colon.fnc) - { - assert (gpg->colon.fd[0] != -1); - rc = add_io_cb (gpg, gpg->colon.fd[0], 1, colon_line_handler, gpg, - &gpg->colon.tag); - if (rc) - /* FIXME: kill the child */ - return rc; - } - - for (i = 0; gpg->fd_data_map[i].data; i++) - { - if (gpg->cmd.used && i == gpg->cmd.idx) - { - /* Park the cmd fd. */ - gpg->cmd.fd = gpg->fd_data_map[i].fd; - gpg->fd_data_map[i].fd = -1; - } - else - { - rc = add_io_cb (gpg, gpg->fd_data_map[i].fd, - gpg->fd_data_map[i].inbound, - gpg->fd_data_map[i].inbound - ? _gpgme_data_inbound_handler - : _gpgme_data_outbound_handler, - gpg->fd_data_map[i].data, &gpg->fd_data_map[i].tag); - - if (rc) - /* FIXME: kill the child */ - return rc; - } - } - - (*gpg->io_cbs.event) (gpg->io_cbs.event_priv, GPGME_EVENT_START, NULL); - - /* fixme: check what data we can release here */ - return 0; -} - - -static gpgme_error_t -gpg_decrypt (void *engine, gpgme_data_t ciph, gpgme_data_t plain) -{ - engine_gpg_t gpg = engine; - gpgme_error_t err; - - err = add_arg (gpg, "--decrypt"); - - /* Tell the gpg object about the data. */ - if (!err) - err = add_arg (gpg, "--output"); - if (!err) - err = add_arg (gpg, "-"); - if (!err) - err = add_data (gpg, plain, 1, 1); - if (!err) - err = add_data (gpg, ciph, 0, 0); - - if (!err) - start (gpg); - return err; -} - -static gpgme_error_t -gpg_delete (void *engine, gpgme_key_t key, int allow_secret) -{ - engine_gpg_t gpg = engine; - gpgme_error_t err; - - err = add_arg (gpg, allow_secret ? "--delete-secret-and-public-key" - : "--delete-key"); - if (!err) - err = add_arg (gpg, "--"); - if (!err) - { - if (!key->subkeys || !key->subkeys->fpr) - return gpg_error (GPG_ERR_INV_VALUE); - else - err = add_arg (gpg, key->subkeys->fpr); - } - - if (!err) - start (gpg); - return err; -} - - -static gpgme_error_t -append_args_from_signers (engine_gpg_t gpg, gpgme_ctx_t ctx /* FIXME */) -{ - gpgme_error_t err = 0; - int i; - gpgme_key_t key; - - for (i = 0; (key = gpgme_signers_enum (ctx, i)); i++) - { - const char *s = key->subkeys ? key->subkeys->keyid : NULL; - if (s) - { - if (!err) - err = add_arg (gpg, "-u"); - if (!err) - err = add_arg (gpg, s); - } - gpgme_key_unref (key); - if (err) break; - } - return err; -} - - -static gpgme_error_t -append_args_from_sig_notations (engine_gpg_t gpg, gpgme_ctx_t ctx /* FIXME */) -{ - gpgme_error_t err = 0; - gpgme_sig_notation_t notation; - - notation = gpgme_sig_notation_get (ctx); - - while (!err && notation) - { - if (notation->name - && !(notation->flags & GPGME_SIG_NOTATION_HUMAN_READABLE)) - err = gpg_error (GPG_ERR_INV_VALUE); - else if (notation->name) - { - char *arg; - - /* Maximum space needed is one byte for the "critical" flag, - the name, one byte for '=', the value, and a terminating - '\0'. */ - - arg = malloc (1 + notation->name_len + 1 + notation->value_len + 1); - if (!arg) - err = gpg_error_from_errno (errno); - - if (!err) - { - char *argp = arg; - - if (notation->critical) - *(argp++) = '!'; - - memcpy (argp, notation->name, notation->name_len); - argp += notation->name_len; - - *(argp++) = '='; - - /* We know that notation->name is '\0' terminated. */ - strcpy (argp, notation->value); - } - - if (!err) - err = add_arg (gpg, "--sig-notation"); - if (!err) - err = add_arg (gpg, arg); - - if (arg) - free (arg); - } - else - { - /* This is a policy URL. */ - - char *value; - - if (notation->critical) - { - value = malloc (1 + notation->value_len + 1); - if (!value) - err = gpg_error_from_errno (errno); - else - { - value[0] = '!'; - /* We know that notation->value is '\0' terminated. */ - strcpy (&value[1], notation->value); - } - } - else - value = notation->value; - - if (!err) - err = add_arg (gpg, "--sig-policy-url"); - if (!err) - err = add_arg (gpg, value); - - if (value != notation->value) - free (value); - } - - notation = notation->next; - } - return err; -} - - -static gpgme_error_t -gpg_edit (void *engine, int type, gpgme_key_t key, gpgme_data_t out, - gpgme_ctx_t ctx /* FIXME */) -{ - engine_gpg_t gpg = engine; - gpgme_error_t err; - - err = add_arg (gpg, "--with-colons"); - if (!err) - err = append_args_from_signers (gpg, ctx); - if (!err) - err = add_arg (gpg, type == 0 ? "--edit-key" : "--card-edit"); - if (!err) - err = add_data (gpg, out, 1, 1); - if (!err) - err = add_arg (gpg, "--"); - if (!err && type == 0) - { - const char *s = key->subkeys ? key->subkeys->fpr : NULL; - if (!s) - err = gpg_error (GPG_ERR_INV_VALUE); - else - err = add_arg (gpg, s); - } - if (!err) - err = start (gpg); - - return err; -} - - -static gpgme_error_t -append_args_from_recipients (engine_gpg_t gpg, gpgme_key_t recp[]) -{ - gpgme_error_t err = 0; - int i = 0; - - while (recp[i]) - { - if (!recp[i]->subkeys || !recp[i]->subkeys->fpr) - err = gpg_error (GPG_ERR_INV_VALUE); - if (!err) - err = add_arg (gpg, "-r"); - if (!err) - err = add_arg (gpg, recp[i]->subkeys->fpr); - if (err) - break; - i++; - } - return err; -} - - -static gpgme_error_t -gpg_encrypt (void *engine, gpgme_key_t recp[], gpgme_encrypt_flags_t flags, - gpgme_data_t plain, gpgme_data_t ciph, int use_armor) -{ - engine_gpg_t gpg = engine; - gpgme_error_t err; - int symmetric = !recp; - - err = add_arg (gpg, symmetric ? "--symmetric" : "--encrypt"); - - if (!err && use_armor) - err = add_arg (gpg, "--armor"); - - if (!symmetric) - { - /* If we know that all recipients are valid (full or ultimate trust) - we can suppress further checks. */ - if (!err && !symmetric && (flags & GPGME_ENCRYPT_ALWAYS_TRUST)) - err = add_arg (gpg, "--always-trust"); - - if (!err) - err = append_args_from_recipients (gpg, recp); - } - - /* Tell the gpg object about the data. */ - if (!err) - err = add_arg (gpg, "--output"); - if (!err) - err = add_arg (gpg, "-"); - if (!err) - err = add_data (gpg, ciph, 1, 1); - if (gpgme_data_get_file_name (plain)) - { - if (!err) - err = add_arg (gpg, "--set-filename"); - if (!err) - err = add_arg (gpg, gpgme_data_get_file_name (plain)); - } - if (!err) - err = add_arg (gpg, "--"); - if (!err) - err = add_data (gpg, plain, 0, 0); - - if (!err) - err = start (gpg); - - return err; -} - - -static gpgme_error_t -gpg_encrypt_sign (void *engine, gpgme_key_t recp[], - gpgme_encrypt_flags_t flags, gpgme_data_t plain, - gpgme_data_t ciph, int use_armor, - gpgme_ctx_t ctx /* FIXME */) -{ - engine_gpg_t gpg = engine; - gpgme_error_t err; - - err = add_arg (gpg, "--encrypt"); - if (!err) - err = add_arg (gpg, "--sign"); - if (!err && use_armor) - err = add_arg (gpg, "--armor"); - - /* If we know that all recipients are valid (full or ultimate trust) - we can suppress further checks. */ - if (!err && (flags & GPGME_ENCRYPT_ALWAYS_TRUST)) - err = add_arg (gpg, "--always-trust"); - - if (!err) - err = append_args_from_recipients (gpg, recp); - - if (!err) - err = append_args_from_signers (gpg, ctx); - if (!err) - err = append_args_from_sig_notations (gpg, ctx); - - /* Tell the gpg object about the data. */ - if (!err) - err = add_arg (gpg, "--output"); - if (!err) - err = add_arg (gpg, "-"); - if (!err) - err = add_data (gpg, ciph, 1, 1); - if (gpgme_data_get_file_name (plain)) - { - if (!err) - err = add_arg (gpg, "--set-filename"); - if (!err) - err = add_arg (gpg, gpgme_data_get_file_name (plain)); - } - if (!err) - err = add_arg (gpg, "--"); - if (!err) - err = add_data (gpg, plain, 0, 0); - - if (!err) - err = start (gpg); - - return err; -} - - -static gpgme_error_t -gpg_export (void *engine, const char *pattern, unsigned int reserved, - gpgme_data_t keydata, int use_armor) -{ - engine_gpg_t gpg = engine; - gpgme_error_t err; - - if (reserved) - return gpg_error (GPG_ERR_INV_VALUE); - - err = add_arg (gpg, "--export"); - if (!err && use_armor) - err = add_arg (gpg, "--armor"); - if (!err) - err = add_data (gpg, keydata, 1, 1); - if (!err) - err = add_arg (gpg, "--"); - - if (!err && pattern && *pattern) - err = add_arg (gpg, pattern); - - if (!err) - err = start (gpg); - - return err; -} - - -static gpgme_error_t -gpg_export_ext (void *engine, const char *pattern[], unsigned int reserved, - gpgme_data_t keydata, int use_armor) -{ - engine_gpg_t gpg = engine; - gpgme_error_t err; - - if (reserved) - return gpg_error (GPG_ERR_INV_VALUE); - - err = add_arg (gpg, "--export"); - if (!err && use_armor) - err = add_arg (gpg, "--armor"); - if (!err) - err = add_data (gpg, keydata, 1, 1); - if (!err) - err = add_arg (gpg, "--"); - - if (pattern) - { - while (!err && *pattern && **pattern) - err = add_arg (gpg, *(pattern++)); - } - - if (!err) - err = start (gpg); - - return err; -} - - -static gpgme_error_t -gpg_genkey (void *engine, gpgme_data_t help_data, int use_armor, - gpgme_data_t pubkey, gpgme_data_t seckey) -{ - engine_gpg_t gpg = engine; - gpgme_error_t err; - - if (!gpg) - return gpg_error (GPG_ERR_INV_VALUE); - - /* We need a special mechanism to get the fd of a pipe here, so that - we can use this for the %pubring and %secring parameters. We - don't have this yet, so we implement only the adding to the - standard keyrings. */ - if (pubkey || seckey) - return gpg_error (GPG_ERR_NOT_IMPLEMENTED); - - err = add_arg (gpg, "--gen-key"); - if (!err && use_armor) - err = add_arg (gpg, "--armor"); - if (!err) - err = add_data (gpg, help_data, 0, 0); - - if (!err) - err = start (gpg); - - return err; -} - - -static gpgme_error_t -gpg_import (void *engine, gpgme_data_t keydata) -{ - engine_gpg_t gpg = engine; - gpgme_error_t err; - - err = add_arg (gpg, "--import"); - if (!err) - err = add_data (gpg, keydata, 0, 0); - - if (!err) - err = start (gpg); - - return err; -} - - -/* The output for external keylistings in GnuPG is different from all - the other key listings. We catch this here with a special - preprocessor that reformats the colon handler lines. */ -static gpgme_error_t -gpg_keylist_preprocess (char *line, char **r_line) -{ - enum - { - RT_NONE, RT_INFO, RT_PUB, RT_UID - } - rectype = RT_NONE; -#define NR_FIELDS 16 - char *field[NR_FIELDS]; - int fields = 0; - - *r_line = NULL; - - while (line && fields < NR_FIELDS) - { - field[fields++] = line; - line = strchr (line, ':'); - if (line) - *(line++) = '\0'; - } - - if (!strcmp (field[0], "info")) - rectype = RT_INFO; - else if (!strcmp (field[0], "pub")) - rectype = RT_PUB; - else if (!strcmp (field[0], "uid")) - rectype = RT_UID; - else - rectype = RT_NONE; - - switch (rectype) - { - case RT_INFO: - /* FIXME: Eventually, check the version number at least. */ - return 0; - - case RT_PUB: - if (fields < 7) - return 0; - - /* The format is: - - pub:<keyid>:<algo>:<keylen>:<creationdate>:<expirationdate>:<flags> - - as defined in 5.2. Machine Readable Indexes of the OpenPGP - HTTP Keyserver Protocol (draft). - - We want: - pub:o<flags>:<keylen>:<algo>:<keyid>:<creatdate>:<expdate>:::::::: - */ - - if (asprintf (r_line, "pub:o%s:%s:%s:%s:%s:%s::::::::", - field[6], field[3], field[2], field[1], - field[4], field[5]) < 0) - return gpg_error_from_errno (errno); - return 0; - - case RT_UID: - /* The format is: - - uid:<escaped uid string>:<creationdate>:<expirationdate>:<flags> - - as defined in 5.2. Machine Readable Indexes of the OpenPGP - HTTP Keyserver Protocol (draft). - - We want: - uid:o<flags>::::<creatdate>:<expdate>:::<uid>: - */ - - if (asprintf (r_line, "uid:o%s::::%s:%s:::%s:", - field[4], field[2], field[3], field[1]) < 0) - return gpg_error_from_errno (errno); - return 0; - - case RT_NONE: - /* Unknown record. */ - break; - } - return 0; - -} - - -static gpgme_error_t -gpg_keylist (void *engine, const char *pattern, int secret_only, - gpgme_keylist_mode_t mode) -{ - engine_gpg_t gpg = engine; - gpgme_error_t err; - - if (mode & GPGME_KEYLIST_MODE_EXTERN) - { - if ((mode & GPGME_KEYLIST_MODE_LOCAL) - || secret_only) - return gpg_error (GPG_ERR_NOT_SUPPORTED); - } - - err = add_arg (gpg, "--with-colons"); - if (!err) - err = add_arg (gpg, "--fixed-list-mode"); - if (!err) - err = add_arg (gpg, "--with-fingerprint"); - if (!err) - err = add_arg (gpg, "--with-fingerprint"); - if (!err && (mode & GPGME_KEYLIST_MODE_SIGS) - && (mode & GPGME_KEYLIST_MODE_SIG_NOTATIONS)) - { - err = add_arg (gpg, "--list-options"); - if (!err) - err = add_arg (gpg, "show-sig-subpackets=\"20,26\""); - } - if (!err) - { - if (mode & GPGME_KEYLIST_MODE_EXTERN) - { - err = add_arg (gpg, "--search-keys"); - gpg->colon.preprocess_fnc = gpg_keylist_preprocess; - } - else - { - err = add_arg (gpg, secret_only ? "--list-secret-keys" - : ((mode & GPGME_KEYLIST_MODE_SIGS) - ? "--check-sigs" : "--list-keys")); - } - } - - /* Tell the gpg object about the data. */ - if (!err) - err = add_arg (gpg, "--"); - if (!err && pattern && *pattern) - err = add_arg (gpg, pattern); - - if (!err) - err = start (gpg); - - return err; -} - - -static gpgme_error_t -gpg_keylist_ext (void *engine, const char *pattern[], int secret_only, - int reserved, gpgme_keylist_mode_t mode) -{ - engine_gpg_t gpg = engine; - gpgme_error_t err; - - if (reserved) - return gpg_error (GPG_ERR_INV_VALUE); - - err = add_arg (gpg, "--with-colons"); - if (!err) - err = add_arg (gpg, "--fixed-list-mode"); - if (!err) - err = add_arg (gpg, "--with-fingerprint"); - if (!err) - err = add_arg (gpg, "--with-fingerprint"); - if (!err && (mode & GPGME_KEYLIST_MODE_SIGS) - && (mode & GPGME_KEYLIST_MODE_SIG_NOTATIONS)) - { - err = add_arg (gpg, "--list-options"); - if (!err) - err = add_arg (gpg, "show-sig-subpackets=\"20,26\""); - } - if (!err) - err = add_arg (gpg, secret_only ? "--list-secret-keys" - : ((mode & GPGME_KEYLIST_MODE_SIGS) - ? "--check-sigs" : "--list-keys")); - if (!err) - err = add_arg (gpg, "--"); - - if (pattern) - { - while (!err && *pattern && **pattern) - err = add_arg (gpg, *(pattern++)); - } - - if (!err) - err = start (gpg); - - return err; -} - - -static gpgme_error_t -gpg_sign (void *engine, gpgme_data_t in, gpgme_data_t out, - gpgme_sig_mode_t mode, int use_armor, int use_textmode, - int include_certs, gpgme_ctx_t ctx /* FIXME */) -{ - engine_gpg_t gpg = engine; - gpgme_error_t err; - - if (mode == GPGME_SIG_MODE_CLEAR) - err = add_arg (gpg, "--clearsign"); - else - { - err = add_arg (gpg, "--sign"); - if (!err && mode == GPGME_SIG_MODE_DETACH) - err = add_arg (gpg, "--detach"); - if (!err && use_armor) - err = add_arg (gpg, "--armor"); - if (!err && use_textmode) - err = add_arg (gpg, "--textmode"); - } - - if (!err) - err = append_args_from_signers (gpg, ctx); - if (!err) - err = append_args_from_sig_notations (gpg, ctx); - - if (gpgme_data_get_file_name (in)) - { - if (!err) - err = add_arg (gpg, "--set-filename"); - if (!err) - err = add_arg (gpg, gpgme_data_get_file_name (in)); - } - - /* Tell the gpg object about the data. */ - if (!err) - err = add_data (gpg, in, 0, 0); - if (!err) - err = add_data (gpg, out, 1, 1); - - if (!err) - start (gpg); - - return err; -} - -static gpgme_error_t -gpg_trustlist (void *engine, const char *pattern) -{ - engine_gpg_t gpg = engine; - gpgme_error_t err; - - err = add_arg (gpg, "--with-colons"); - if (!err) - err = add_arg (gpg, "--list-trust-path"); - - /* Tell the gpg object about the data. */ - if (!err) - err = add_arg (gpg, "--"); - if (!err) - err = add_arg (gpg, pattern); - - if (!err) - err = start (gpg); - - return err; -} - - -static gpgme_error_t -gpg_verify (void *engine, gpgme_data_t sig, gpgme_data_t signed_text, - gpgme_data_t plaintext) -{ - engine_gpg_t gpg = engine; - gpgme_error_t err = 0; - - if (plaintext) - { - /* Normal or cleartext signature. */ - - err = add_arg (gpg, "--output"); - if (!err) - err = add_arg (gpg, "-"); - if (!err) - err = add_arg (gpg, "--"); - if (!err) - err = add_data (gpg, sig, 0, 0); - if (!err) - err = add_data (gpg, plaintext, 1, 1); - } - else - { - err = add_arg (gpg, "--verify"); - if (!err) - err = add_arg (gpg, "--"); - if (!err) - err = add_data (gpg, sig, -1, 0); - if (signed_text) - { - if (!err) - err = add_arg (gpg, "-"); - if (!err) - err = add_data (gpg, signed_text, 0, 0); - } - } - - if (!err) - err = start (gpg); - - return err; -} - - -static void -gpg_set_io_cbs (void *engine, gpgme_io_cbs_t io_cbs) -{ - engine_gpg_t gpg = engine; - - gpg->io_cbs = *io_cbs; -} - - -struct engine_ops _gpgme_engine_ops_gpg = - { - /* Static functions. */ - _gpgme_get_gpg_path, - gpg_get_version, - gpg_get_req_version, - gpg_new, - - /* Member functions. */ - gpg_release, - NULL, /* reset */ - gpg_set_status_handler, - gpg_set_command_handler, - gpg_set_colon_line_handler, - gpg_set_locale, - gpg_decrypt, - gpg_delete, - gpg_edit, - gpg_encrypt, - gpg_encrypt_sign, - gpg_export, - gpg_export_ext, - gpg_genkey, - gpg_import, - gpg_keylist, - gpg_keylist_ext, - gpg_sign, - gpg_trustlist, - gpg_verify, - gpg_set_io_cbs, - gpg_io_event, - gpg_cancel - }; |