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/* trustlist.c |
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* Copyright (C) 2000 Werner Koch (dd9jn) |
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* |
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* This file is part of MyGPGME. |
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* |
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* MyGPGME is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* MyGPGME is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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*/ |
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#if 0 /* >= GPG 1.2.x does not support it yet */ |
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|
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#if 0 |
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void gpgme_trust_item_release ( GpgmeTrustItem item ); |
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const char *gpgme_trust_item_get_string_attr ( GpgmeTrustItem item, |
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GpgmeAttr what, |
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const void *reserved, int idx ); |
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int gpgme_trust_item_get_int_attr ( GpgmeTrustItem item, GpgmeAttr what, |
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const void *reserved, int idx ); |
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|
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gpgme_error_t gpgme_op_trustlist_start ( gpgme_ctx_t c, |
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const char *pattern, int max_level ); |
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gpgme_error_t gpgme_op_trustlist_next ( gpgme_ctx_t c, GpgmeTrustItem *r_item ); |
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#endif |
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|
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <time.h> |
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#include <assert.h> |
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|
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#include "util.h" |
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#include "context.h" |
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#include "ops.h" |
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|
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#define my_isdigit(a) ( (a) >='0' && (a) <= '9' ) |
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|
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struct gpgme_trust_item_s { |
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int level; |
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char keyid[16+1]; |
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int type; |
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char ot[2]; |
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char val[2]; |
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char *name; |
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}; |
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|
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|
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static GpgmeTrustItem |
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trust_item_new (void) |
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{ |
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GpgmeTrustItem item; |
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|
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item = calloc (1, sizeof *item); |
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return item; |
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} |
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|
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|
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|
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static void |
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trustlist_status_handler ( gpgme_ctx_t ctx, GpgStatusCode code, char *args ) |
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{ |
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if ( ctx->out_of_core ) |
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return; |
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|
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switch (code) { |
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case STATUS_EOF: |
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break; |
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|
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default: |
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break; |
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} |
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} |
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|
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|
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|
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/* |
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* This handler is used to parse the output of --list-trust-path: |
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* Format: |
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* level:keyid:type:recno:ot:val:mc:cc:name: |
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* With TYPE = U for a user ID |
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* K for a key |
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* The RECNO is either the one of the dir record or the one of the uid record. |
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* OT is the the usual trust letter and only availabel on K lines. |
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* VAL is the calcualted validity |
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* MC is the marginal trust counter and only available on U lines |
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* CC is the same for the complete count |
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* NAME ist the username and only printed on U lines |
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*/ |
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static void |
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trustlist_colon_handler ( gpgme_ctx_t ctx, char *line ) |
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{ |
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char *p, *pend; |
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int field = 0; |
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GpgmeTrustItem item = NULL; |
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struct trust_queue_item_s *q, *q2; |
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|
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if ( ctx->out_of_core ) |
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return; |
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if (!line) |
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return; /* EOF */ |
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|
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for (p = line; p; p = pend) { |
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field++; |
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pend = strchr (p, ':'); |
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if (pend) |
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*pend++ = 0; |
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|
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switch (field) { |
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case 1: /* level */ |
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q = malloc ( sizeof *q ); |
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if ( !q ) { |
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ctx->out_of_core = 1; |
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return; |
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} |
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q->next = NULL; |
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q->item = item = trust_item_new (); |
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if (!q->item) { |
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safe_free (q); |
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ctx->out_of_core = 1; |
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return; |
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} |
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/* fixme: lock queue, keep a tail pointer */ |
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if ( !(q2 = ctx->trust_queue) ) |
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ctx->trust_queue = q; |
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else { |
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for ( ; q2->next; q2 = q2->next ) |
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; |
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q2->next = q; |
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} |
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/* fixme: unlock queue */ |
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item->level = atoi (p); |
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break; |
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case 2: /* long keyid */ |
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if ( strlen (p) == DIM(item->keyid)-1 ) |
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strcpy (item->keyid, p); |
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break; |
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case 3: /* type */ |
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item->type = *p == 'K'? 1 : *p == 'U'? 2 : 0; |
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break; |
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case 5: /* owner trust */ |
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item->ot[0] = *p; |
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item->ot[1] = 0; |
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break; |
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case 6: /* validity */ |
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item->val[0] = *p; |
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item->val[1] = 0; |
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break; |
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case 9: /* user ID */ |
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item->name = xtrystrdup (p); |
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if (!item->name) |
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ctx->out_of_core = 1; |
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break; |
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} |
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} |
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|
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if (field) |
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ctx->key_cond = 1; |
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} |
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|
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|
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|
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gpgme_error_t |
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gpgme_op_trustlist_start ( gpgme_ctx_t c, const char *pattern, int max_level ) |
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{ |
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gpgme_error_t rc = 0; |
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|
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fail_on_pending_request( c ); |
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if ( !pattern || !*pattern ) { |
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return mk_error (Invalid_Value); |
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} |
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|
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c->pending = 1; |
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|
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_gpgme_release_result (c); |
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c->out_of_core = 0; |
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|
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if ( c->gpg ) { |
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_gpgme_gpg_release ( c->gpg ); |
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c->gpg = NULL; |
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} |
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|
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rc = _gpgme_gpg_new ( &c->gpg ); |
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if (rc) |
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goto leave; |
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|
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_gpgme_gpg_set_status_handler ( c->gpg, trustlist_status_handler, c ); |
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rc = _gpgme_gpg_set_colon_line_handler ( c->gpg, |
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trustlist_colon_handler, c ); |
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if (rc) |
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goto leave; |
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|
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/* build the commandline */ |
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_gpgme_gpg_add_arg ( c->gpg, "--with-colons" ); |
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_gpgme_gpg_add_arg ( c->gpg, "--list-trust-path" ); |
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|
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/* Tell the gpg object about the data */ |
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_gpgme_gpg_add_arg ( c->gpg, "--" ); |
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_gpgme_gpg_add_arg ( c->gpg, pattern ); |
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|
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/* and kick off the process */ |
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rc = _gpgme_gpg_spawn ( c->gpg, c ); |
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|
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leave: |
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if (rc) { |
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c->pending = 0; |
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_gpgme_gpg_release ( c->gpg ); c->gpg = NULL; |
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} |
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return rc; |
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} |
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|
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|
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gpgme_error_t |
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gpgme_op_trustlist_next ( gpgme_ctx_t c, GpgmeTrustItem *r_item ) |
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{ |
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struct trust_queue_item_s *q; |
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|
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if (!r_item) |
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return mk_error (Invalid_Value); |
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*r_item = NULL; |
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if (!c) |
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return mk_error (Invalid_Value); |
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if ( !c->pending ) |
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return mk_error (No_Request); |
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if ( c->out_of_core ) |
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return mk_error (Out_Of_Core); |
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|
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if ( !c->trust_queue ) { |
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_gpgme_wait_on_condition (c, 1, &c->key_cond ); |
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if ( c->out_of_core ) |
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return mk_error (Out_Of_Core); |
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if ( !c->key_cond ) |
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return mk_error (EOF); |
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c->key_cond = 0; |
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assert ( c->trust_queue ); |
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} |
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q = c->trust_queue; |
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c->trust_queue = q->next; |
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|
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*r_item = q->item; |
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safe_free (q); |
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return 0; |
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} |
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|
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|
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void |
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gpgme_trust_item_release ( GpgmeTrustItem item ) |
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{ |
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if (!item) |
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return; |
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safe_free (item->name); |
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safe_free (item); |
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} |
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|
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|
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const char * |
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gpgme_trust_item_get_string_attr ( GpgmeTrustItem item, GpgmeAttr what, |
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const void *reserved, int idx ) |
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{ |
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const char *val = NULL; |
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|
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if (!item) |
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return NULL; |
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if (reserved) |
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return NULL; |
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if (idx) |
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return NULL; |
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|
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switch (what) { |
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case GPGME_ATTR_KEYID: |
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val = item->keyid; |
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break; |
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case GPGME_ATTR_OTRUST: |
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val = item->ot; |
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break; |
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case GPGME_ATTR_VALIDITY: |
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val = item->val; |
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break; |
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case GPGME_ATTR_USERID: |
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val = item->name; |
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break; |
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default: |
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break; |
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} |
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return val; |
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} |
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|
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|
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int |
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gpgme_trust_item_get_int_attr ( GpgmeTrustItem item, GpgmeAttr what, |
| 299 |
const void *reserved, int idx ) |
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{ |
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int val = 0; |
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|
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if (!item) |
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return 0; |
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if (reserved) |
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return 0; |
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if (idx) |
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return 0; |
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|
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switch (what) { |
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case GPGME_ATTR_LEVEL: |
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val = item->level; |
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break; |
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case GPGME_ATTR_TYPE: |
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val = item->type; |
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break; |
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default: |
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break; |
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} |
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return val; |
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} |
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#endif |
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