static void prefs_gpg_save_func(PrefsPage *_page)
{
struct GPGPage *page = (struct GPGPage *) _page;
GPGConfig *config = prefs_gpg_get_config();
config->auto_check_signatures =
gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_auto_check_signatures));
config->autocompletion =
gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_autocompletion));
config->use_gpg_agent =
gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_use_gpg_agent));
config->store_passphrase =
gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_store_passphrase));
config->store_passphrase_timeout =
gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(page->spinbtn_store_passphrase));
config->passphrase_grab =
gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_passphrase_grab));
config->gpg_warning =
gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_gpg_warning));
g_free(config->gpg_path);
config->gpg_path = g_strdup(gtk_entry_get_text(GTK_ENTRY(page->gpg_path)));
if (strcmp(config->gpg_path, "") != 0 && access(config->gpg_path, X_OK) != -1)
gpgme_set_engine_info(GPGME_PROTOCOL_OpenPGP, config->gpg_path, NULL);
prefs_gpg_enable_agent(config->use_gpg_agent);
prefs_gpg_save_config();
}
/**
* Initialize the GPGME library.
* This can be safely called multiple times; however it is not thread-safe.
* @param handle the context handle
* @return 0 on success, -1 on error
*/
static int init_gpgme(alpm_handle_t *handle)
{
static int init = 0;
const char *version, *sigdir;
gpgme_error_t gpg_err;
gpgme_engine_info_t enginfo;
if(init) {
/* we already successfully initialized the library */
return 0;
}
sigdir = handle->gpgdir;
if(_alpm_access(handle, sigdir, "pubring.gpg", R_OK)
|| _alpm_access(handle, sigdir, "trustdb.gpg", R_OK)) {
handle->pm_errno = ALPM_ERR_NOT_A_FILE;
_alpm_log(handle, ALPM_LOG_DEBUG, "Signature verification will fail!\n");
_alpm_log(handle, ALPM_LOG_WARNING,
_("Public keyring not found; have you run '%s'?\n"),
"pacman-key --init");
}
/* calling gpgme_check_version() returns the current version and runs
* some internal library setup code */
version = gpgme_check_version(NULL);
_alpm_log(handle, ALPM_LOG_DEBUG, "GPGME version: %s\n", version);
gpgme_set_locale(NULL, LC_CTYPE, setlocale(LC_CTYPE, NULL));
#ifdef LC_MESSAGES
gpgme_set_locale(NULL, LC_MESSAGES, setlocale(LC_MESSAGES, NULL));
#endif
/* NOTE:
* The GPGME library installs a SIGPIPE signal handler automatically if
* the default signal hander is in use. The only time we set a handler
* for SIGPIPE is in dload.c, and we reset it when we are done. Given that
* we do this, we can let GPGME do its automagic. However, if we install
* a library-wide SIGPIPE handler, we will have to be careful.
*/
/* check for OpenPGP support (should be a no-brainer, but be safe) */
gpg_err = gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP);
CHECK_ERR();
/* set and check engine information */
gpg_err = gpgme_set_engine_info(GPGME_PROTOCOL_OpenPGP, NULL, sigdir);
CHECK_ERR();
gpg_err = gpgme_get_engine_info(&enginfo);
CHECK_ERR();
_alpm_log(handle, ALPM_LOG_DEBUG, "GPGME engine info: file=%s, home=%s\n",
enginfo->file_name, enginfo->home_dir);
init = 1;
return 0;
gpg_error:
_alpm_log(handle, ALPM_LOG_ERROR, _("GPGME error: %s\n"), gpgme_strerror(gpg_err));
RET_ERR(handle, ALPM_ERR_GPGME, -1);
}
static int init_gpgme(alpm_handle_t *handle)
{
static int init = 0;
const char *version, *sigdir;
gpgme_error_t err;
gpgme_engine_info_t enginfo;
if(init) {
/* we already successfully initialized the library */
return 0;
}
sigdir = alpm_option_get_gpgdir(handle);
/* calling gpgme_check_version() returns the current version and runs
* some internal library setup code */
version = gpgme_check_version(NULL);
_alpm_log(handle, ALPM_LOG_DEBUG, "GPGME version: %s\n", version);
gpgme_set_locale(NULL, LC_CTYPE, setlocale(LC_CTYPE, NULL));
#ifdef LC_MESSAGES
gpgme_set_locale(NULL, LC_MESSAGES, setlocale(LC_MESSAGES, NULL));
#endif
/* NOTE:
* The GPGME library installs a SIGPIPE signal handler automatically if
* the default signal hander is in use. The only time we set a handler
* for SIGPIPE is in dload.c, and we reset it when we are done. Given that
* we do this, we can let GPGME do its automagic. However, if we install
* a library-wide SIGPIPE handler, we will have to be careful.
*/
/* check for OpenPGP support (should be a no-brainer, but be safe) */
err = gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP);
CHECK_ERR();
/* set and check engine information */
err = gpgme_set_engine_info(GPGME_PROTOCOL_OpenPGP, NULL, sigdir);
CHECK_ERR();
err = gpgme_get_engine_info(&enginfo);
CHECK_ERR();
_alpm_log(handle, ALPM_LOG_DEBUG, "GPGME engine info: file=%s, home=%s\n",
enginfo->file_name, enginfo->home_dir);
init = 1;
return 0;
error:
_alpm_log(handle, ALPM_LOG_ERROR, _("GPGME error: %s\n"), gpgme_strerror(err));
RET_ERR(handle, ALPM_ERR_GPGME, 1);
}
int
init_gpgme(fko_ctx_t fko_ctx)
{
gpgme_error_t err;
/* If we already have a context, we are done.
*/
if(fko_ctx->have_gpgme_context)
return(FKO_SUCCESS);
/* Because the gpgme manual says you should.
*/
gpgme_check_version(NULL);
/* Check for OpenPGP support
*/
err = gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP);
if(gpg_err_code(err) != GPG_ERR_NO_ERROR)
{
/* GPG engine is not available.
*/
fko_ctx->gpg_err = err;
return(FKO_ERROR_GPGME_NO_OPENPGP);
}
/* Extract the current gpgme engine information.
*/
gpgme_set_engine_info(
GPGME_PROTOCOL_OpenPGP,
(fko_ctx->gpg_exe != NULL) ? fko_ctx->gpg_exe : GPG_EXE,
fko_ctx->gpg_home_dir /* If this is NULL, the default is used */
);
/* Create our gpgme context
*/
err = gpgme_new(&(fko_ctx->gpg_ctx));
if(gpg_err_code(err) != GPG_ERR_NO_ERROR)
{
fko_ctx->gpg_err = err;
return(FKO_ERROR_GPGME_CONTEXT);
}
fko_ctx->have_gpgme_context = 1;
return(FKO_SUCCESS);
}
/** \brief Initialise GpgME
*
* \param get_passphrase Callback function to read a passphrase from the
* user. Note that this function is used \em only for OpenPGP and
* \em only if no GPG Agent is running and can therefore usually be
* NULL. The first (HOOK) argument the passed function accepts
* shall be the parent GtkWindow.
* \param select_key Callback function to let the user select a key from a
* list if more than one is available.
* \param accept_low_trust Callback function to ask the user whether a low
* trust key shall be accepted.
*
* Initialise the GpgME backend and remember the callback functions.
*
* \note This function \em must be called before using any other function
* from this module.
*/
void
libbalsa_gpgme_init(gpgme_passphrase_cb_t get_passphrase,
lbgpgme_select_key_cb select_key,
lbgpgme_accept_low_trust_cb accept_low_trust)
{
gpgme_engine_info_t e;
const gchar *agent_info;
/* initialise the gpgme library */
g_message("init gpgme version %s", gpgme_check_version(NULL));
#ifdef HAVE_GPG
/* configure the GnuPG engine if a specific gpg path has been
* detected */
gpgme_set_engine_info(GPGME_PROTOCOL_OpenPGP, GPG_PATH, NULL);
#endif
#ifdef ENABLE_NLS
gpgme_set_locale(NULL, LC_CTYPE, get_utf8_locale(LC_CTYPE));
gpgme_set_locale(NULL, LC_MESSAGES, get_utf8_locale(LC_MESSAGES));
#endif /* ENABLE_NLS */
/* dump the available engines */
if (gpgme_get_engine_info(&e) == GPG_ERR_NO_ERROR) {
while (e) {
g_message("protocol %s: engine %s (home %s, version %s)",
gpgme_get_protocol_name(e->protocol),
e->file_name, e->home_dir, e->version);
e = e->next;
}
}
/* check for gpg-agent */
agent_info = g_getenv("GPG_AGENT_INFO");
if (agent_info) {
g_message("gpg-agent found: %s", agent_info);
gpgme_passphrase_cb = NULL;
} else {
gpgme_passphrase_cb = get_passphrase;
}
/* verify that the engines we need are there */
if (gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP) ==
GPG_ERR_NO_ERROR) {
g_message("OpenPGP protocol supported");
has_proto_openpgp = TRUE;
} else {
g_warning
("OpenPGP protocol not supported, basic crypto will not work!");
has_proto_openpgp = FALSE;
}
#ifdef HAVE_SMIME
if (gpgme_engine_check_version(GPGME_PROTOCOL_CMS) ==
GPG_ERR_NO_ERROR) {
g_message("CMS (aka S/MIME) protocol supported");
has_proto_cms = TRUE;
} else {
g_warning("CMS protocol not supported, S/MIME will not work!");
has_proto_cms = FALSE;
}
#else
g_message("built without CMS (aka S/MIME) protocol support");
has_proto_cms = FALSE;
#endif
/* remember callbacks */
select_key = select_key_cb;
accept_low_trust = accept_low_trust_cb;
}
void sgpgme_init()
{
gchar *ctype_locale = NULL, *messages_locale = NULL;
gchar *ctype_utf8_locale = NULL, *messages_utf8_locale = NULL;
gpgme_engine_info_t engineInfo;
if (strcmp(prefs_gpg_get_config()->gpg_path, "") != 0 &&
access(prefs_gpg_get_config()->gpg_path, X_OK) != -1)
gpgme_set_engine_info(GPGME_PROTOCOL_OpenPGP,prefs_gpg_get_config()->gpg_path, NULL);
if (gpgme_check_version("1.0.0")) {
#ifdef LC_CTYPE
debug_print("setting gpgme CTYPE locale\n");
#ifdef G_OS_WIN32
ctype_locale = g_win32_getlocale();
#else
ctype_locale = g_strdup(setlocale(LC_CTYPE, NULL));
#endif
if (ctype_locale) {
debug_print("setting gpgme CTYPE locale to: %s\n", ctype_locale);
if (strchr(ctype_locale, '.'))
*(strchr(ctype_locale, '.')) = '\0';
else if (strchr(ctype_locale, '@'))
*(strchr(ctype_locale, '@')) = '\0';
ctype_utf8_locale = g_strconcat(ctype_locale, ".UTF-8", NULL);
debug_print("setting gpgme locale to UTF8: %s\n", ctype_utf8_locale ? ctype_utf8_locale : "NULL");
gpgme_set_locale(NULL, LC_CTYPE, ctype_utf8_locale);
debug_print("done\n");
g_free(ctype_utf8_locale);
g_free(ctype_locale);
} else {
debug_print("couldn't set gpgme CTYPE locale\n");
}
#endif
#ifdef LC_MESSAGES
debug_print("setting gpgme MESSAGES locale\n");
#ifdef G_OS_WIN32
messages_locale = g_win32_getlocale();
#else
messages_locale = g_strdup(setlocale(LC_MESSAGES, NULL));
#endif
if (messages_locale) {
debug_print("setting gpgme MESSAGES locale to: %s\n", messages_locale);
if (strchr(messages_locale, '.'))
*(strchr(messages_locale, '.')) = '\0';
else if (strchr(messages_locale, '@'))
*(strchr(messages_locale, '@')) = '\0';
messages_utf8_locale = g_strconcat(messages_locale, ".UTF-8", NULL);
debug_print("setting gpgme locale to UTF8: %s\n", messages_utf8_locale ? messages_utf8_locale : "NULL");
gpgme_set_locale(NULL, LC_MESSAGES, messages_utf8_locale);
debug_print("done\n");
g_free(messages_utf8_locale);
g_free(messages_locale);
} else {
debug_print("couldn't set gpgme MESSAGES locale\n");
}
#endif
if (!gpgme_get_engine_info(&engineInfo)) {
while (engineInfo) {
debug_print("GpgME Protocol: %s\n"
"Version: %s (req %s)\n"
"Executable: %s\n",
gpgme_get_protocol_name(engineInfo->protocol) ? gpgme_get_protocol_name(engineInfo->protocol):"???",
engineInfo->version ? engineInfo->version:"???",
engineInfo->req_version ? engineInfo->req_version:"???",
engineInfo->file_name ? engineInfo->file_name:"???");
if (engineInfo->protocol == GPGME_PROTOCOL_OpenPGP
&& gpgme_engine_check_version(engineInfo->protocol) !=
GPG_ERR_NO_ERROR) {
if (engineInfo->file_name && !engineInfo->version) {
alertpanel_error(_("Gpgme protocol '%s' is unusable: "
"Engine '%s' isn't installed properly."),
gpgme_get_protocol_name(engineInfo->protocol),
engineInfo->file_name);
} else if (engineInfo->file_name && engineInfo->version
&& engineInfo->req_version) {
alertpanel_error(_("Gpgme protocol '%s' is unusable: "
"Engine '%s' version %s is installed, "
"but version %s is required.\n"),
gpgme_get_protocol_name(engineInfo->protocol),
engineInfo->file_name,
engineInfo->version,
engineInfo->req_version);
} else {
alertpanel_error(_("Gpgme protocol '%s' is unusable "
"(unknown problem)"),
gpgme_get_protocol_name(engineInfo->protocol));
}
}
engineInfo = engineInfo->next;
}
}
} else {
sgpgme_disable_all();
if (prefs_gpg_get_config()->gpg_warning) {
AlertValue val;
val = alertpanel_full
(_("Warning"),
_("GnuPG is not installed properly, or needs "
"to be upgraded.\n"
"OpenPGP support disabled."),
GTK_STOCK_CLOSE, NULL, NULL, TRUE, NULL,
ALERT_WARNING, G_ALERTDEFAULT);
if (val & G_ALERTDISABLE)
prefs_gpg_get_config()->gpg_warning = FALSE;
}
}
}
int main()
{
int fd;
gpgme_ctx_t g_context;
gpgme_engine_info_t enginfo;
gpgme_data_t data;
gpgme_error_t gerr;
gpg_err_code_t gpg_err;
gpgme_data_t g_plain;
gpgme_data_t g_plain_recv;
gpgme_data_t g_encrypt;
gpgme_data_t g_encrypt_send;
gpgme_key_t g_recipient[MAX_RCP+1];
char *p;
char b_encrypt[BIGBUF+1];
char msg[EOF_L_MESSAGE];
char msg_in[EOF_L_MESSAGE];
int i, tmp;
for(i=0;i<EOF_L_MESSAGE; i++) msg_in[i] = 0;
for(i=0;i<EOF_L_MESSAGE; i++) msg[i] = 0;
for(i=0;i<=BIGBUF; i++) b_encrypt[i] = 0;
gpgme_check_version(NULL);
gerr = gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP);
if(gerr != GPG_ERR_NO_ERROR) return 10;
p = (char *) gpgme_get_protocol_name(GPGME_PROTOCOL_OpenPGP);
printf("Version: %s\n",p);
gerr = gpgme_set_engine_info(GPGME_PROTOCOL_OpenPGP, NULL, home);
if(gerr == GPG_ERR_NO_ERROR) {
printf("gpgme_set_engine_info: ok\n");
} else {
printf("gpgme_set_engine_info: err\n");
}
/* get engine information */
gerr = gpgme_get_engine_info(&enginfo);
if(gerr != GPG_ERR_NO_ERROR) return 3;
printf("file=%s, home=%s\n",enginfo->file_name,enginfo->home_dir);
/* create our own context */
gerr = gpgme_new(&g_context);
if(gerr != GPG_ERR_NO_ERROR) return 1;
/* FIXME: both needed? */
/* FIXME: why is the path (FILE_NAME) needed? */
/* FIXME: /usr/bin/gpg must be changed to ~/.ceof/gpg/binary or similar */
gerr = gpgme_ctx_set_engine_info (g_context, GPGME_PROTOCOL_OpenPGP,
"/usr/bin/gpg",home);
if(gerr != GPG_ERR_NO_ERROR) return 4;
/* do not ascii armor data; use 1 for testing */
//gpgme_set_armor(g_context, 0);
gpgme_set_armor(g_context, 1);
/* create buffers */
gerr = gpgme_data_new(&data);
if(gerr != GPG_ERR_NO_ERROR) return 12;
gerr = gpgme_data_new(&g_plain_recv);
if(gerr != GPG_ERR_NO_ERROR) return 20;
gerr = gpgme_data_new(&g_encrypt);
if(gerr != GPG_ERR_NO_ERROR) return 14;
gerr = gpgme_data_new(&g_encrypt_send);
if(gerr != GPG_ERR_NO_ERROR) return 24;
/* fill buffers */
/* gerr = gpgme_data_new(&g_plain);
if(gerr != GPG_ERR_NO_ERROR) return 13;
printf("strlen(%s) = %d\n",msg,i);
i -= gpgme_data_write(g_plain, msg, i);
if(i) {
printf("size mismatch\n");
return 12;
} */
strncpy(msg, "==> Erste Nachricht\n\n", EOF_L_MESSAGE);
i = strlen(msg);
gerr = gpgme_data_new_from_mem (&g_plain, msg, i, 0);
/* setup recipient */
gerr = gpgme_op_keylist_start(g_context, "nico schottelius", 0);
if(gerr != GPG_ERR_NO_ERROR) return 11;
i=0;
gerr = gpgme_op_keylist_next(g_context, &g_recipient[0]);
while((gpg_err = gpg_err_code(gerr)) != GPG_ERR_EOF) {
/* for testing: one call of gpgme_op_keylist_next is enough */
break;
if(gerr == GPG_ERR_INV_VALUE) {
printf("invalid pointer\n");
return 15;
} else if(gerr == GPG_ERR_ENOMEM) {
printf("no mem\n");
return 16;
}
printf ("%s: %s <%s> (%d)\n", g_recipient[0]->subkeys->keyid, g_recipient[0]->uids->name, g_recipient[0]->uids->email, i);
i++;
/* FIXME: this resets the good filled buffer ... */
gerr = gpgme_op_keylist_next(g_context, &g_recipient[0]);
}
g_recipient[1] = NULL;
/* all above seems to be wrong ... */
gerr = gpgme_get_key(g_context,"775506B45998BF57D0D4AFF27C6E747C38616ADC", &g_recipient[0], 0);
if(gerr != GPG_ERR_NO_ERROR) return 32;
/* en/decrypt message */
//gerr = gpgme_op_encrypt_sign(g_context, g_recipient, 0, g_plain, g_encrypt);
gerr = gpgme_op_encrypt(g_context, g_recipient, 0, g_plain, g_encrypt);
if(gerr != GPG_ERR_NO_ERROR) {
printf("gerr=%d\n",gerr);
return 18;
}
/* transfer the data into our own buffer,
* so the data is saved; you cannot
* reuse the gpgme buffers directly as in
* gerr = gpgme_op_decrypt(g_context, g_encrypt, g_plain_recv);
*
*/
i = gpgme_data_seek(g_encrypt, 0, SEEK_END);
if(i > BIGBUF) return 22;
printf("buflen: %d\n",i);
/* reset to the beginning */
gpgme_data_seek(g_encrypt, 0, SEEK_SET);
if(gpgme_data_read(g_encrypt, b_encrypt, i) == -1) {
perror("pgme_data_read");
return 23;
}
printf("crypt:\n%s\n", b_encrypt);
fd = open("testcrypt",O_RDWR|O_CREAT);
if(fd == -1) return 40;
if(write_all(fd, b_encrypt, BIGBUF) <= 0) return 41;
close(fd);
/* until here it works, testcrypt contains
* data and can be decrypted ...
*
* perhaps the context needs some reset?
*/
if((tmp = gpgme_data_write(g_encrypt_send, b_encrypt, i)) == -1) {
perror("pgme_data_write");
return 23;
}
printf("crypt-wrote:%d\n", tmp);
/* look for contexts */
gerr = gpgme_op_decrypt(g_context, g_encrypt_send, g_plain_recv);
if(gerr != GPG_ERR_NO_ERROR) {
printf("gerr=%d\n",gerr);
return 19;
}
/* open communication channel: netcat */
/* listen for input from:
* stdin
* communication channel
*/
/* de/encode data from comm channel */
return 1;
}
