diff --git a/src/export.c b/src/export.c index 7e394dff..f827efac 100644 --- a/src/export.c +++ b/src/export.c @@ -1,482 +1,498 @@ /* export.c - Export a key. * Copyright (C) 2000 Werner Koch (dd9jn) * Copyright (C) 2001-2004, 2010, 2014 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, see . * SPDX-License-Identifier: LGPL-2.1-or-later */ #if HAVE_CONFIG_H #include #endif #include #include #include "gpgme.h" #include "util.h" #include "debug.h" #include "context.h" #include "ops.h" /* Local operation data. */ typedef struct { gpg_error_t err; /* Error encountered during the export. */ } *op_data_t; static void release_op_data (void *hook) { op_data_t opd = (op_data_t) hook; (void)opd; /* Nothing to release here. */ } /* Parse an error status line. Return the error location and the error code. The function may modify ARGS. */ static char * parse_error (char *args, gpg_error_t *r_err) { char *where = strchr (args, ' '); char *which; if (where) { *where = '\0'; which = where + 1; where = strchr (which, ' '); if (where) *where = '\0'; where = args; } else { *r_err = trace_gpg_error (GPG_ERR_INV_ENGINE); return NULL; } *r_err = atoi (which); return where; } static gpgme_error_t export_status_handler (void *priv, gpgme_status_code_t code, char *args) { gpgme_ctx_t ctx = (gpgme_ctx_t) priv; gpgme_error_t err; void *hook; op_data_t opd; const char *loc; err = _gpgme_op_data_lookup (ctx, OPDATA_EXPORT, &hook, -1, NULL); opd = hook; if (err) return err; switch (code) { case GPGME_STATUS_ERROR: loc = parse_error (args, &err); if (!loc) return err; else if (opd->err) ; /* We only want to report the first error. */ else if (!strcmp (loc, "keyserver_send")) opd->err = err; break; default: break; } return 0; } static gpgme_error_t export_start (gpgme_ctx_t ctx, int synchronous, const char *pattern, gpgme_export_mode_t mode, gpgme_data_t keydata) { gpgme_error_t err; void *hook; op_data_t opd; if ((mode & ~(GPGME_EXPORT_MODE_EXTERN |GPGME_EXPORT_MODE_MINIMAL |GPGME_EXPORT_MODE_SECRET |GPGME_EXPORT_MODE_SSH |GPGME_EXPORT_MODE_RAW |GPGME_EXPORT_MODE_NOUID |GPGME_EXPORT_MODE_PKCS12))) return gpg_error (GPG_ERR_INV_VALUE); /* Invalid flags in MODE. */ if ((mode & GPGME_EXPORT_MODE_SECRET)) { if ((mode & GPGME_EXPORT_MODE_EXTERN)) return gpg_error (GPG_ERR_INV_FLAG); /* Combination not allowed. */ if ((mode & GPGME_EXPORT_MODE_RAW) && (mode & GPGME_EXPORT_MODE_PKCS12)) return gpg_error (GPG_ERR_INV_FLAG); /* Combination not allowed. */ if (ctx->protocol != GPGME_PROTOCOL_CMS && (mode & (GPGME_EXPORT_MODE_RAW|GPGME_EXPORT_MODE_PKCS12))) return gpg_error (GPG_ERR_INV_FLAG); /* Only supported for X.509. */ } if ((mode & GPGME_EXPORT_MODE_EXTERN)) { if (keydata) return gpg_error (GPG_ERR_INV_VALUE); } else { if (!keydata) return gpg_error (GPG_ERR_INV_VALUE); } err = _gpgme_op_reset (ctx, synchronous); if (err) return err; err = _gpgme_op_data_lookup (ctx, OPDATA_EXPORT, &hook, sizeof (*opd), release_op_data); opd = hook; if (err) return err; + if (ctx->passphrase_cb) + { + err = _gpgme_engine_set_command_handler + (ctx->engine, _gpgme_passphrase_command_handler, ctx); + if (err) + return err; + } + _gpgme_engine_set_status_handler (ctx->engine, export_status_handler, ctx); return _gpgme_engine_op_export (ctx->engine, pattern, mode, keydata, ctx->use_armor); } /* Export the keys listed in PATTERN into KEYDATA. */ gpgme_error_t gpgme_op_export_start (gpgme_ctx_t ctx, const char *pattern, gpgme_export_mode_t mode, gpgme_data_t keydata) { gpgme_error_t err; TRACE_BEG (DEBUG_CTX, "gpgme_op_export_start", ctx, "pattern=%s, mode=0x%x, keydata=%p", pattern, mode, keydata); if (!ctx) return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE)); err = export_start (ctx, 0, pattern, mode, keydata); return TRACE_ERR (err); } /* Export the keys listed in PATTERN into KEYDATA. */ gpgme_error_t gpgme_op_export (gpgme_ctx_t ctx, const char *pattern, gpgme_export_mode_t mode, gpgme_data_t keydata) { gpgme_error_t err; TRACE_BEG (DEBUG_CTX, "gpgme_op_export", ctx, "pattern=%s, mode=0x%x, keydata=%p", pattern, mode, keydata); if (!ctx) return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE)); err = export_start (ctx, 1, pattern, mode, keydata); if (!err) err = _gpgme_wait_one (ctx); return err; } static gpgme_error_t export_ext_start (gpgme_ctx_t ctx, int synchronous, const char *pattern[], gpgme_export_mode_t mode, gpgme_data_t keydata) { gpgme_error_t err; void *hook; op_data_t opd; if ((mode & ~(GPGME_EXPORT_MODE_EXTERN |GPGME_EXPORT_MODE_MINIMAL |GPGME_EXPORT_MODE_SECRET |GPGME_EXPORT_MODE_SSH |GPGME_EXPORT_MODE_RAW |GPGME_EXPORT_MODE_PKCS12))) return gpg_error (GPG_ERR_INV_VALUE); /* Invalid flags in MODE. */ if ((mode & GPGME_EXPORT_MODE_SECRET)) { if ((mode & GPGME_EXPORT_MODE_EXTERN)) return gpg_error (GPG_ERR_INV_FLAG); /* Combination not allowed. */ if ((mode & GPGME_EXPORT_MODE_RAW) && (mode & GPGME_EXPORT_MODE_PKCS12)) return gpg_error (GPG_ERR_INV_FLAG); /* Combination not allowed. */ if (ctx->protocol != GPGME_PROTOCOL_CMS && (mode & (GPGME_EXPORT_MODE_RAW|GPGME_EXPORT_MODE_PKCS12))) return gpg_error (GPG_ERR_INV_FLAG); /* Only supported for X.509. */ } if ((mode & GPGME_EXPORT_MODE_EXTERN)) { if (keydata) return gpg_error (GPG_ERR_INV_VALUE); } else { if (!keydata) return gpg_error (GPG_ERR_INV_VALUE); } err = _gpgme_op_reset (ctx, synchronous); if (err) return err; err = _gpgme_op_data_lookup (ctx, OPDATA_EXPORT, &hook, sizeof (*opd), release_op_data); opd = hook; if (err) return err; + if (ctx->passphrase_cb) + { + err = _gpgme_engine_set_command_handler + (ctx->engine, _gpgme_passphrase_command_handler, ctx); + if (err) + return err; + } + _gpgme_engine_set_status_handler (ctx->engine, export_status_handler, ctx); return _gpgme_engine_op_export_ext (ctx->engine, pattern, mode, keydata, ctx->use_armor); } /* Export the keys listed in PATTERN into KEYDATA. */ gpgme_error_t gpgme_op_export_ext_start (gpgme_ctx_t ctx, const char *pattern[], gpgme_export_mode_t mode, gpgme_data_t keydata) { gpgme_error_t err; TRACE_BEG (DEBUG_CTX, "gpgme_op_export_ext_start", ctx, "mode=0x%x, keydata=%p", mode, keydata); if (!ctx) return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE)); if (_gpgme_debug_trace () && pattern) { int i = 0; while (pattern[i]) { TRACE_LOG ("pattern[%i] = %s", i, pattern[i]); i++; } } err = export_ext_start (ctx, 0, pattern, mode, keydata); return TRACE_ERR (err); } /* Export the keys listed in PATTERN into KEYDATA. */ gpgme_error_t gpgme_op_export_ext (gpgme_ctx_t ctx, const char *pattern[], gpgme_export_mode_t mode, gpgme_data_t keydata) { gpgme_error_t err; TRACE_BEG (DEBUG_CTX, "gpgme_op_export_ext_start", ctx, "mode=0x%x, keydata=%p", mode, keydata); if (!ctx) return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE)); if (_gpgme_debug_trace () && pattern) { int i = 0; while (pattern[i]) { TRACE_LOG ("pattern[%i] = %s", i, pattern[i]); i++; } } err = export_ext_start (ctx, 1, pattern, mode, keydata); if (!err) { err = _gpgme_wait_one (ctx); if (!err) { /* For this synchronous operation we check for operational errors and return them. For asynchronous operations there is currently no way to do this - we need to add a gpgme_op_export_result function to fix that. */ void *hook; op_data_t opd; err = _gpgme_op_data_lookup (ctx, OPDATA_EXPORT, &hook, -1, NULL); opd = hook; if (!err) err = opd->err; } } return TRACE_ERR (err); } static gpgme_error_t export_keys_start (gpgme_ctx_t ctx, int synchronous, gpgme_key_t keys[], gpgme_export_mode_t mode, gpgme_data_t keydata) { gpgme_error_t err; int nkeys, idx; char **pattern; if (!keys) return gpg_error (GPG_ERR_INV_VALUE); /* Create a list of pattern from the keys. */ for (idx=nkeys=0; keys[idx]; idx++) if (keys[idx]->protocol == ctx->protocol) nkeys++; if (!nkeys) return gpg_error (GPG_ERR_NO_DATA); pattern = calloc (nkeys+1, sizeof *pattern); if (!pattern) return gpg_error_from_syserror (); for (idx=nkeys=0; keys[idx]; idx++) if (keys[idx]->protocol == ctx->protocol && keys[idx]->subkeys && keys[idx]->subkeys->fpr && *keys[idx]->subkeys->fpr) { pattern[nkeys] = strdup (keys[idx]->subkeys->fpr); if (!pattern[nkeys]) { err = gpg_error_from_syserror (); goto leave; } nkeys++; } /* Pass on to the regular function. */ err = export_ext_start (ctx, synchronous, (const char**)pattern, mode, keydata); leave: for (idx=0; pattern[idx]; idx++) free (pattern[idx]); free (pattern); return err; } /* Export the keys from the array KEYS into KEYDATA. Only keys of the current protocol are exported and only those which have a fingerprint set; that is keys received with some external search methods are silently skipped. */ gpgme_error_t gpgme_op_export_keys_start (gpgme_ctx_t ctx, gpgme_key_t keys[], gpgme_export_mode_t mode, gpgme_data_t keydata) { gpg_error_t err; TRACE_BEG (DEBUG_CTX, "gpgme_op_export_keys_start", ctx, "mode=0x%x, keydata=%p", mode, keydata); if (!ctx) return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE)); if (_gpgme_debug_trace () && keys) { int i = 0; while (keys[i]) { TRACE_LOG ("keys[%i] = %p (%s)", i, keys[i], (keys[i]->subkeys && keys[i]->subkeys->fpr) ? keys[i]->subkeys->fpr : "invalid"); i++; } } err = export_keys_start (ctx, 0, keys, mode, keydata); return TRACE_ERR (err); } gpgme_error_t gpgme_op_export_keys (gpgme_ctx_t ctx, gpgme_key_t keys[], gpgme_export_mode_t mode, gpgme_data_t keydata) { gpgme_error_t err; TRACE_BEG (DEBUG_CTX, "gpgme_op_export_keys", ctx, "mode=0x%x, keydata=%p", mode, keydata); if (!ctx) return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE)); if (_gpgme_debug_trace () && keys) { int i = 0; while (keys[i]) { TRACE_LOG ("keys[%i] = %p (%s)", i, keys[i], (keys[i]->subkeys && keys[i]->subkeys->fpr) ? keys[i]->subkeys->fpr : "invalid"); i++; } } err = export_keys_start (ctx, 1, keys, mode, keydata); if (!err) { err = _gpgme_wait_one (ctx); if (!err) { /* For this synchronous operation we check for operational errors and return them. For asynchronous operations there is currently no way to do this - we need to add a gpgme_op_export_result function to fix that. */ void *hook; op_data_t opd; err = _gpgme_op_data_lookup (ctx, OPDATA_EXPORT, &hook, -1, NULL); opd = hook; if (!err) err = opd->err; } } return TRACE_ERR (err); }