diff options
Diffstat (limited to 'src/genkey.c')
| -rw-r--r-- | src/genkey.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/src/genkey.c b/src/genkey.c new file mode 100644 index 00000000..afebb7cb --- /dev/null +++ b/src/genkey.c @@ -0,0 +1,206 @@ +/* genkey.c - Key generation. + 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., 59 Temple Place - Suite 330, Boston, MA + 02111-1307, USA. */ + +#if HAVE_CONFIG_H +#include <config.h> +#endif +#include <stdlib.h> +#include <string.h> +#include <errno.h> + +#include "gpgme.h" +#include "context.h" +#include "ops.h" + + +typedef struct +{ + struct _gpgme_op_genkey_result result; + + /* The key parameters passed to the crypto engine. */ + gpgme_data_t key_parameter; +} *op_data_t; + + +static void +release_op_data (void *hook) +{ + op_data_t opd = (op_data_t) hook; + + if (opd->result.fpr) + free (opd->result.fpr); + if (opd->key_parameter) + gpgme_data_release (opd->key_parameter); +} + + +gpgme_genkey_result_t +gpgme_op_genkey_result (gpgme_ctx_t ctx) +{ + void *hook; + op_data_t opd; + gpgme_error_t err; + + err = _gpgme_op_data_lookup (ctx, OPDATA_GENKEY, &hook, -1, NULL); + opd = hook; + if (err || !opd) + return NULL; + + return &opd->result; +} + + +static gpgme_error_t +genkey_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; + + /* Pipe the status code through the progress status handler. */ + err = _gpgme_progress_status_handler (ctx, code, args); + if (err) + return err; + + err = _gpgme_op_data_lookup (ctx, OPDATA_GENKEY, &hook, -1, NULL); + opd = hook; + if (err) + return err; + + switch (code) + { + case GPGME_STATUS_KEY_CREATED: + if (args && *args) + { + if (*args == 'B' || *args == 'P') + opd->result.primary = 1; + if (*args == 'B' || *args == 'S') + opd->result.sub = 1; + if (args[1] == ' ') + { + if (opd->result.fpr) + free (opd->result.fpr); + opd->result.fpr = strdup (&args[2]); + if (!opd->result.fpr) + return gpg_error_from_errno (errno); + } + } + break; + + case GPGME_STATUS_EOF: + /* FIXME: Should return some more useful error value. */ + if (!opd->result.primary && !opd->result.sub) + return gpg_error (GPG_ERR_GENERAL); + break; + + default: + break; + } + return 0; +} + + +static gpgme_error_t +get_key_parameter (const char *parms, gpgme_data_t *key_parameter) +{ + const char *content; + const char *attrib; + const char *endtag; + + /* Extract the key parameter from the XML structure. */ + parms = strstr (parms, "<GnupgKeyParms "); + if (!parms) + return gpg_error (GPG_ERR_INV_VALUE); + + content = strchr (parms, '>'); + if (!content) + return gpg_error (GPG_ERR_INV_VALUE); + content++; + + attrib = strstr (parms, "format=\"internal\""); + if (!attrib || attrib >= content) + return gpg_error (GPG_ERR_INV_VALUE); + + endtag = strstr (content, "</GnupgKeyParms>"); + /* FIXME: Check that there are no control statements inside. */ + while (content[0] == '\n' + || (content[0] == '\r' && content[1] == '\n')) + content++; + + return gpgme_data_new_from_mem (key_parameter, content, + endtag - content, 1); +} + + +static gpgme_error_t +genkey_start (gpgme_ctx_t ctx, int synchronous, const char *parms, + gpgme_data_t pubkey, gpgme_data_t seckey) +{ + gpgme_error_t err; + void *hook; + op_data_t opd; + err = _gpgme_op_reset (ctx, synchronous); + if (err) + return err; + + err = _gpgme_op_data_lookup (ctx, OPDATA_GENKEY, &hook, + sizeof (*opd), release_op_data); + opd = hook; + if (err) + return err; + + err = get_key_parameter (parms, &opd->key_parameter); + if (err) + return err; + + _gpgme_engine_set_status_handler (ctx->engine, genkey_status_handler, ctx); + + return _gpgme_engine_op_genkey (ctx->engine, opd->key_parameter, + ctx->use_armor, pubkey, seckey); +} + + +/* Generate a new keypair and add it to the keyring. PUBKEY and + SECKEY should be null for now. PARMS specifies what keys should be + generated. */ +gpgme_error_t +gpgme_op_genkey_start (gpgme_ctx_t ctx, const char *parms, + gpgme_data_t pubkey, gpgme_data_t seckey) +{ + return genkey_start (ctx, 0, parms, pubkey, seckey); +} + + +/* Generate a new keypair and add it to the keyring. PUBKEY and + SECKEY should be null for now. PARMS specifies what keys should be + generated. */ +gpgme_error_t +gpgme_op_genkey (gpgme_ctx_t ctx, const char *parms, gpgme_data_t pubkey, + gpgme_data_t seckey) +{ + gpgme_error_t err; + + err = genkey_start (ctx, 1, parms, pubkey, seckey); + if (!err) + err = _gpgme_wait_one (ctx); + return err; +} |