diff options
Diffstat (limited to 'libtdenetwork/libgpgme-copy/gpgme/trustlist.c')
| -rw-r--r-- | libtdenetwork/libgpgme-copy/gpgme/trustlist.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/libtdenetwork/libgpgme-copy/gpgme/trustlist.c b/libtdenetwork/libgpgme-copy/gpgme/trustlist.c new file mode 100644 index 000000000..664e67cd7 --- /dev/null +++ b/libtdenetwork/libgpgme-copy/gpgme/trustlist.c @@ -0,0 +1,248 @@ +/* trustlist.c - Trust item listing. + Copyright (C) 2000 Werner Koch (dd9jn) + Copyright (C) 2001, 2002, 2003, 2004 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 <stdlib.h> +#include <string.h> +#include <assert.h> +#include <errno.h> + +#include "gpgme.h" +#include "util.h" +#include "context.h" +#include "ops.h" + + +struct trust_queue_item_s +{ + struct trust_queue_item_s *next; + gpgme_trust_item_t item; +}; + +typedef struct +{ + /* Something new is available. */ + int trust_cond; + struct trust_queue_item_s *trust_queue; +} *op_data_t; + + + +static gpgme_error_t +trustlist_status_handler (void *priv, gpgme_status_code_t code, char *args) +{ + return 0; +} + + +/* This handler is used to parse the output of --list-trust-path: + Format: + level:keyid:type:recno:ot:val:mc:cc:name: + With TYPE = U for a user ID + K for a key + The RECNO is either the one of the dir record or the one of the uid + record. OT is the the usual trust letter and only availabel on K + lines. VAL is the calcualted validity MC is the marginal trust + counter and only available on U lines CC is the same for the + complete count NAME ist the username and only printed on U + lines. */ +static gpgme_error_t +trustlist_colon_handler (void *priv, char *line) +{ + gpgme_ctx_t ctx = (gpgme_ctx_t) priv; + gpgme_error_t err; + char *p, *pend; + int field = 0; + gpgme_trust_item_t item = NULL; + + if (!line) + return 0; /* EOF */ + + for (p = line; p; p = pend) + { + field++; + pend = strchr (p, ':'); + if (pend) + *pend++ = 0; + + switch (field) + { + case 1: /* level */ + err = _gpgme_trust_item_new (&item); + if (err) + return err; + item->level = atoi (p); + break; + case 2: /* long keyid */ + if (strlen (p) == DIM(item->keyid) - 1) + strcpy (item->keyid, p); + break; + case 3: /* type */ + item->type = *p == 'K'? 1 : *p == 'U'? 2 : 0; + break; + case 5: /* owner trust */ + item->_owner_trust[0] = *p; + break; + case 6: /* validity */ + item->_validity[0] = *p; + break; + case 9: /* user ID */ + item->name = strdup (p); + if (!item->name) + { + int saved_errno = errno; + gpgme_trust_item_unref (item); + return gpg_error_from_errno (saved_errno); + } + break; + } + } + + if (item) + _gpgme_engine_io_event (ctx->engine, GPGME_EVENT_NEXT_TRUSTITEM, item); + return 0; +} + + +void +_gpgme_op_trustlist_event_cb (void *data, gpgme_event_io_t type, + void *type_data) +{ + gpgme_ctx_t ctx = (gpgme_ctx_t) data; + gpgme_error_t err; + void *hook; + op_data_t opd; + gpgme_trust_item_t item = (gpgme_trust_item_t) type_data; + struct trust_queue_item_s *q, *q2; + + assert (type == GPGME_EVENT_NEXT_TRUSTITEM); + + err = _gpgme_op_data_lookup (ctx, OPDATA_TRUSTLIST, &hook, -1, NULL); + opd = hook; + if (err) + return; + + q = malloc (sizeof *q); + if (!q) + { + gpgme_trust_item_unref (item); + /* FIXME: GPGME_Out_Of_Core; */ + return; + } + q->item = item; + q->next = NULL; + /* FIXME: Use a tail pointer */ + q2 = opd->trust_queue; + if (!q2) + opd->trust_queue = q; + else + { + while (q2->next) + q2 = q2->next; + q2->next = q; + } + /* FIXME: unlock queue */ + opd->trust_cond = 1; +} + + +gpgme_error_t +gpgme_op_trustlist_start (gpgme_ctx_t ctx, const char *pattern, int max_level) +{ + gpgme_error_t err = 0; + void *hook; + op_data_t opd; + + if (!pattern || !*pattern) + return gpg_error (GPG_ERR_INV_VALUE); + + err = _gpgme_op_reset (ctx, 2); + if (err) + return err; + + err = _gpgme_op_data_lookup (ctx, OPDATA_TRUSTLIST, &hook, + sizeof (*opd), NULL); + opd = hook; + if (err) + return err; + + _gpgme_engine_set_status_handler (ctx->engine, + trustlist_status_handler, ctx); + err = _gpgme_engine_set_colon_line_handler (ctx->engine, + trustlist_colon_handler, ctx); + if (err) + return err; + + return _gpgme_engine_op_trustlist (ctx->engine, pattern); +} + + +gpgme_error_t +gpgme_op_trustlist_next (gpgme_ctx_t ctx, gpgme_trust_item_t *r_item) +{ + gpgme_error_t err; + void *hook; + op_data_t opd; + struct trust_queue_item_s *q; + + if (!r_item) + return gpg_error (GPG_ERR_INV_VALUE); + *r_item = NULL; + if (!ctx) + return gpg_error (GPG_ERR_INV_VALUE); + + err = _gpgme_op_data_lookup (ctx, OPDATA_TRUSTLIST, &hook, -1, NULL); + opd = hook; + if (err) + return err; + if (opd == NULL) + return gpg_error (GPG_ERR_INV_VALUE); + + if (!opd->trust_queue) + { + err = _gpgme_wait_on_condition (ctx, &opd->trust_cond); + if (err) + return err; + if (!opd->trust_cond) + return gpg_error (GPG_ERR_EOF); + opd->trust_cond = 0; + assert (opd->trust_queue); + } + q = opd->trust_queue; + opd->trust_queue = q->next; + + *r_item = q->item; + free (q); + return 0; +} + + +/* Terminate a pending trustlist operation within CTX. */ +gpgme_error_t +gpgme_op_trustlist_end (gpgme_ctx_t ctx) +{ + if (!ctx) + return gpg_error (GPG_ERR_INV_VALUE); + + return 0; +} |