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gtk-dialog.c
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/*
* Off-the-Record Messaging plugin for pidgin
* Copyright (C) 2004-2018 Ian Goldberg, Rob Smits,
* Chris Alexander, Willy Lew,
* Nikita Borisov
* <otr@cypherpunks.ca>
* The pidgin-otrng contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU 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
*/
/* config.h */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/* system headers */
#include <gtk/gtk.h>
#include <stdio.h>
#include <stdlib.h>
/* gcrypt headers */
#include <gcrypt.h>
/* purple headers */
#include <core.h>
#include <gtkconv.h>
#include <gtkimhtml.h>
#include <gtkmenutray.h>
#include <gtkutils.h>
#include <notify.h>
#include <pidginstock.h>
#include <plugin.h>
#include <tooltipmenu.h>
#include <util.h>
#include <version.h>
#ifdef ENABLE_NLS
/* internationalisation headers */
#include <glib/gi18n-lib.h>
#else
#define _(x) (x)
#define N_(x) (x)
#endif
#include <libotr/proto.h>
/* libotr headers */
#include <libotr/dh.h>
#include <libotr/instag.h>
#include <libotr/message.h>
#include <libotr/privkey.h>
#include <libotr/userstate.h>
/* pidgin-otrng headers */
#include "gtk-dialog.h"
#include "otr-icons.h"
#include "pidgin-helpers.h"
#include "plugin-all.h"
#include "ui.h"
static GHashTable *otr_win_menus = 0;
static GHashTable *otr_win_status = 0;
static int img_id_not_private = 0;
static int img_id_unverified = 0;
static int img_id_private = 0;
static int img_id_finished = 0;
#define AUTH_SMP_QUESTION 0
#define AUTH_SMP_SHARED_SECRET 1
#define AUTH_FINGERPRINT_VERIFICATION -1
typedef struct vrfy_fingerprint_data {
otrng_plugin_fingerprint_s *fprint;
char *accountname, *protocol;
otrl_instag_t their_instance;
int newtrust;
} vrfy_fingerprint_data;
typedef struct {
otrng_plugin_conversation *conv;
GtkEntry *question_entry; /* The text entry field containing the user
* question */
GtkEntry *entry; /* The text entry field containing the secret */
int smp_type; /* Whether the SMP type is based on question
* challenge (0) or shared secret (1) */
gboolean responder; /* Whether or not this is the first side to give
* their secret */
vrfy_fingerprint_data *vfd;
} SmpResponsePair;
/* Information used by the plugin that is specific to both the
* application and connection. */
typedef struct dialog_context_data {
GtkWidget *smp_secret_dialog;
SmpResponsePair *smp_secret_smppair;
GtkWidget *smp_progress_dialog;
GtkWidget *smp_progress_bar;
GtkWidget *smp_progress_label;
GtkWidget *smp_progress_image;
otrl_instag_t their_instance;
} SMPData;
typedef struct {
SmpResponsePair *smppair;
GtkEntry *one_way_entry;
GtkEntry *two_way_entry;
GtkWidget *notebook;
} AuthSignalData;
typedef struct {
enum { convctx_none, convctx_conv, convctx_ctx } convctx_type;
PurpleConversation *conv;
ConnContext *context;
} ConvOrContext;
static void close_progress_window(SMPData *smp_data) {
if (smp_data->smp_progress_dialog) {
gtk_dialog_response(GTK_DIALOG(smp_data->smp_progress_dialog),
GTK_RESPONSE_REJECT);
}
smp_data->smp_progress_dialog = NULL;
smp_data->smp_progress_bar = NULL;
smp_data->smp_progress_label = NULL;
smp_data->smp_progress_image = NULL;
}
static void otrng_gtk_dialog_free_smp_data(PurpleConversation *conv) {
SMPData *smp_data = purple_conversation_get_data(conv, "otr-smpdata");
if (!smp_data) {
return;
}
if (smp_data->smp_secret_dialog) {
gtk_dialog_response(GTK_DIALOG(smp_data->smp_secret_dialog),
GTK_RESPONSE_REJECT);
}
smp_data->smp_secret_dialog = NULL;
smp_data->smp_secret_smppair = NULL;
close_progress_window(smp_data);
free(smp_data);
g_hash_table_remove(conv->data, "otr-smpdata");
}
static SMPData *otrng_gtk_dialog_add_smp_data(PurpleConversation *conv) {
SMPData *smp_data = malloc(sizeof(SMPData));
smp_data->smp_secret_dialog = NULL;
smp_data->smp_secret_smppair = NULL;
smp_data->smp_progress_dialog = NULL;
smp_data->smp_progress_bar = NULL;
smp_data->smp_progress_label = NULL;
smp_data->smp_progress_image = NULL;
/* Chosen as initialized value since libotr should never allow
* this as a "their_instance" value */
smp_data->their_instance = OTRL_INSTAG_BEST;
purple_conversation_set_data(conv, "otr-smpdata", smp_data);
return smp_data;
}
static GtkWidget *otr_icon(GtkWidget *image, TrustLevel level,
gboolean sensitivity) {
const char **data = NULL;
switch (level) {
case TRUST_NOT_PRIVATE:
data = otrng_not_private_icon;
break;
case TRUST_UNVERIFIED:
data = otrng_unverified_icon;
break;
case TRUST_PRIVATE:
data = otrng_private_icon;
break;
case TRUST_FINISHED:
data = otrng_finished_icon;
break;
}
GdkPixbuf *pixbuf = gdk_pixbuf_new_from_xpm_data(data);
if (image) {
gtk_image_set_from_pixbuf(GTK_IMAGE(image), pixbuf);
} else {
image = gtk_image_new_from_pixbuf(pixbuf);
}
g_object_unref(G_OBJECT(pixbuf));
gtk_widget_set_sensitive(image, sensitivity);
return image;
}
static void message_response_cb(GtkDialog *dialog, gint id, GtkWidget *widget) {
gtk_widget_destroy(GTK_WIDGET(widget));
}
/* Forward declarations for the benefit of smp_message_response_cb/redraw
* authvbox */
static void verify_fingerprint(GtkWindow *parent, otrng_client_id_s client_id,
otrng_plugin_fingerprint_s *fprint);
static void add_vrfy_fingerprint(GtkWidget *vbox, void *data);
static struct vrfy_fingerprint_data *
vrfy_fingerprint_data_new(otrng_client_id_s client_id,
otrng_plugin_fingerprint_s *fprint);
static void vrfy_fingerprint_destroyed(GtkWidget *w,
vrfy_fingerprint_data *vfd);
static void conversation_switched(PurpleConversation *conv, void *data);
static GtkWidget *
create_smp_progress_dialog(GtkWindow *parent,
const otrng_plugin_conversation *conv);
static int plugin_fingerprint_get_trusted(otrng_plugin_fingerprint_s *fprint) {
if (fprint->version == 3) {
return fprint->v3->fp->trust && fprint->v3->fp->trust[0];
}
return fprint->v4->trusted;
}
static void plugin_fingerprint_set_trust(otrng_plugin_fingerprint_s *fprint,
int trust) {
if (fprint->version == 3) {
otrl_context_set_trust(fprint->v3->fp, trust ? "verified" : "");
} else {
fprint->v4->trusted = trust;
}
}
/* Called when a button is pressed on the "progress bar" smp dialog */
static void smp_progress_response_cb(GtkDialog *dialog, gint response,
otrng_plugin_conversation *context) {
PurpleConversation *conv =
otrng_plugin_conversation_to_purple_conv(context, 0);
SMPData *smp_data = NULL;
if (conv) {
gdouble frac;
smp_data = purple_conversation_get_data(conv, "otr-smpdata");
frac = gtk_progress_bar_get_fraction(
GTK_PROGRESS_BAR(smp_data->smp_progress_bar));
if (frac != 0.0 && frac != 1.0 && response == GTK_RESPONSE_REJECT) {
otrng_plugin_abort_smp(context);
}
}
/* In all cases, destroy the current window */
gtk_widget_destroy(GTK_WIDGET(dialog));
/* Clean up variables pointing to the destroyed objects */
if (smp_data) {
smp_data->smp_progress_bar = NULL;
smp_data->smp_progress_label = NULL;
smp_data->smp_progress_dialog = NULL;
}
otrng_plugin_conversation_free(context);
}
static int start_or_continue_smp(SmpResponsePair *smppair) {
GtkEntry *question_entry = smppair->question_entry;
GtkEntry *entry = smppair->entry;
const char *user_question = NULL;
char *secret = NULL;
size_t secret_len = 0;
secret = g_strdup(gtk_entry_get_text(entry));
secret_len = strlen(secret);
if (!smppair->responder) {
if (smppair->smp_type == AUTH_SMP_QUESTION) {
if (!question_entry) {
g_free(secret);
return 1;
}
user_question = gtk_entry_get_text(question_entry);
if (user_question == NULL || strlen(user_question) == 0) {
g_free(secret);
return 1;
}
}
/* pass user question here */
if (!user_question) {
otrng_plugin_start_smp(smppair->conv,
(const unsigned char *)user_question, 0,
(const unsigned char *)secret, secret_len);
} else {
otrng_plugin_start_smp(
smppair->conv, (const unsigned char *)user_question,
strlen(user_question), (const unsigned char *)secret, secret_len);
}
} else {
otrng_plugin_continue_smp(smppair->conv, (const unsigned char *)secret,
secret_len);
}
g_free(secret);
return 0;
}
/* Called when a button is pressed on the "enter the secret" smp dialog
* The data passed contains a pointer to the text entry field containing
* the entered secret as well as the current context.
*/
static void smp_secret_response_cb(GtkDialog *dialog, gint response,
AuthSignalData *auth_opt_data) {
otrng_plugin_conversation *plugin_conv;
PurpleConversation *conv;
SMPData *smp_data;
SmpResponsePair *smppair;
if (!auth_opt_data) {
return;
}
smppair = auth_opt_data->smppair;
if (!smppair) {
return;
}
plugin_conv = smppair->conv;
conv = otrng_plugin_conversation_to_purple_conv(plugin_conv, 1);
otrng_conversation_s *otr_conv =
purple_conversation_to_otrng_conversation(conv);
if (response == GTK_RESPONSE_ACCEPT && smppair->entry) {
if (!otrng_conversation_is_encrypted(otr_conv)) {
return;
}
if (start_or_continue_smp(smppair)) {
return;
}
/* launch progress bar window */
create_smp_progress_dialog(GTK_WINDOW(dialog), smppair->conv);
} else if (response == GTK_RESPONSE_ACCEPT && smppair->vfd) {
int oldtrust;
otrng_plugin_fingerprint_s *fprint;
fprint = smppair->vfd->fprint;
if (fprint == NULL) {
return;
}
oldtrust = plugin_fingerprint_get_trusted(fprint);
if (smppair->vfd->newtrust != oldtrust) {
plugin_fingerprint_set_trust(fprint, smppair->vfd->newtrust);
/* Write the new info to disk, redraw the ui, and redraw the
* OTR buttons. */
otrng_plugin_write_fingerprints();
otrng_ui_update_keylist();
otrng_dialog_resensitize_all();
}
} else {
otrng_plugin_abort_smp(smppair->conv);
}
gtk_widget_destroy(GTK_WIDGET(dialog));
/* Clean up references to this window */
smp_data = purple_conversation_get_data(conv, "otr-smpdata");
if (smp_data) {
smp_data->smp_secret_dialog = NULL;
smp_data->smp_secret_smppair = NULL;
}
/* Free memory */
free(auth_opt_data);
otrng_plugin_conversation_free(smppair->conv);
free(smppair);
}
static void close_smp_window(PurpleConversation *conv) {
SMPData *smp_data = purple_conversation_get_data(conv, "otr-smpdata");
if (smp_data && smp_data->smp_secret_dialog) {
gtk_dialog_response(GTK_DIALOG(smp_data->smp_secret_dialog),
GTK_RESPONSE_REJECT);
}
}
static GtkWidget *
create_dialog(GtkWindow *parent, PurpleNotifyMsgType type, const char *title,
const char *primary, const char *secondary, int sensitive,
GtkWidget **labelp,
void (*add_custom)(GtkWidget *vbox, void *data),
void *add_custom_data,
void (*custom_response)(GtkDialog *dialog, gint id, void *data),
void *custom_response_data) {
GtkWidget *dialog;
GtkWidget *hbox;
GtkWidget *vbox;
GtkWidget *label;
GtkWidget *img = NULL;
char *label_text;
const char *icon_name = NULL;
switch (type) {
case PURPLE_NOTIFY_MSG_ERROR:
icon_name = PIDGIN_STOCK_DIALOG_ERROR;
break;
case PURPLE_NOTIFY_MSG_WARNING:
icon_name = PIDGIN_STOCK_DIALOG_WARNING;
break;
case PURPLE_NOTIFY_MSG_INFO:
icon_name = PIDGIN_STOCK_DIALOG_INFO;
break;
default:
icon_name = NULL;
break;
}
if (icon_name != NULL) {
img = gtk_image_new_from_stock(
icon_name, gtk_icon_size_from_name(PIDGIN_ICON_SIZE_TANGO_HUGE));
gtk_misc_set_alignment(GTK_MISC(img), 0, 0);
}
dialog =
gtk_dialog_new_with_buttons(title ? title : PIDGIN_ALERT_TITLE, parent, 0,
GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, NULL);
gtk_window_set_focus_on_map(GTK_WINDOW(dialog), FALSE);
gtk_window_set_role(GTK_WINDOW(dialog), "notify_dialog");
if (custom_response != NULL) {
g_signal_connect(G_OBJECT(dialog), "response", G_CALLBACK(custom_response),
custom_response_data);
} else {
g_signal_connect(G_OBJECT(dialog), "response",
G_CALLBACK(message_response_cb), dialog);
}
gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT,
sensitive);
gtk_container_set_border_width(GTK_CONTAINER(dialog), 6);
gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
gtk_dialog_set_has_separator(GTK_DIALOG(dialog), FALSE);
gtk_box_set_spacing(GTK_BOX(GTK_DIALOG(dialog)->vbox), 12);
gtk_container_set_border_width(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), 6);
hbox = gtk_hbox_new(FALSE, 12);
vbox = gtk_vbox_new(FALSE, 0);
gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), hbox);
if (img != NULL) {
gtk_box_pack_start(GTK_BOX(hbox), img, FALSE, FALSE, 0);
}
label_text =
g_strdup_printf("<span weight=\"bold\" size=\"larger\">%s</span>%s%s",
(primary ? primary : ""), (primary ? "\n\n" : ""),
(secondary ? secondary : ""));
label = gtk_label_new(NULL);
gtk_label_set_markup(GTK_LABEL(label), label_text);
gtk_label_set_selectable(GTK_LABEL(label), TRUE);
g_free(label_text);
gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
if (add_custom) {
add_custom(vbox, add_custom_data);
}
gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
gtk_widget_show_all(dialog);
if (labelp) {
*labelp = label;
}
return dialog;
}
// TODO: I think we need to make sure we have v3 support for all these dialogs
// as well.
static void add_to_vbox_init_one_way_auth(GtkWidget *vbox,
AuthSignalData *auth_opt_data,
const char *question) {
GtkWidget *question_entry;
GtkWidget *entry;
GtkWidget *label;
GtkWidget *label2 = NULL;
char *label_text;
char *label_text_2;
SmpResponsePair *smppair = auth_opt_data->smppair;
if (smppair->responder) {
label_text = g_strdup_printf(
"<small>\n%s\n</small>",
_("Your buddy is attempting to determine if they are really "
"talking to you, or if it's someone pretending to be you. "
"Your buddy has asked the question indicated below. "
"To authenticate to your buddy, enter the answer and then "
"click OK."));
} else {
label_text = g_strdup_printf(
"<small>\n%s\n</small>",
_("To authenticate using a question, pick a question whose "
"answer is known only to you and your buddy. Enter this "
"question and this answer and then wait for your buddy to "
"enter the answer too. If the answers "
"don't match, then you may be talking to an imposter."));
}
label = gtk_label_new(NULL);
gtk_label_set_markup(GTK_LABEL(label), label_text);
gtk_label_set_selectable(GTK_LABEL(label), FALSE);
g_free(label_text);
gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
otrng_known_fingerprint_s *fp =
otrng_plugin_fingerprint_get_active(smppair->conv);
if (fp && fp->trusted && !(smppair->responder)) {
label_text_2 = g_strdup_printf("<b>\n%s\n</b>",
_("This buddy is already authenticated."));
label2 = gtk_label_new(NULL);
gtk_label_set_markup(GTK_LABEL(label2), label_text_2);
gtk_box_pack_start(GTK_BOX(vbox), label2, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(vbox), gtk_label_new(NULL), FALSE, FALSE, 0);
}
if (smppair->responder) {
label_text = g_strdup_printf(_("This is the question asked by "
"your buddy:"));
} else {
label_text = g_strdup_printf(_("Enter question here:"));
}
label = gtk_label_new(label_text);
gtk_label_set_selectable(GTK_LABEL(label), FALSE);
g_free(label_text);
gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
if (smppair->responder && question) {
label_text = g_markup_printf_escaped(
"<span background=\"white\" "
"foreground=\"black\" weight=\"bold\">%s</span>",
question);
label = gtk_label_new(NULL);
gtk_label_set_markup(GTK_LABEL(label), label_text);
gtk_label_set_selectable(GTK_LABEL(label), FALSE);
g_free(label_text);
gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
smppair->question_entry = NULL;
} else {
/* Create the text view where the user enters their question */
question_entry = gtk_entry_new();
smppair->question_entry = GTK_ENTRY(question_entry);
gtk_box_pack_start(GTK_BOX(vbox), question_entry, FALSE, FALSE, 0);
}
/* Leave a blank line */
gtk_box_pack_start(GTK_BOX(vbox), gtk_label_new(NULL), FALSE, FALSE, 0);
label_text = g_strdup_printf(_("Enter secret answer here "
"(case sensitive):"));
label = gtk_label_new(NULL);
gtk_label_set_markup(GTK_LABEL(label), label_text);
gtk_label_set_selectable(GTK_LABEL(label), FALSE);
g_free(label_text);
gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
/* Create the text view where the user enters their secret */
entry = gtk_entry_new();
gtk_entry_set_text(GTK_ENTRY(entry), "");
auth_opt_data->one_way_entry = GTK_ENTRY(entry);
gtk_entry_set_activates_default(GTK_ENTRY(entry), smppair->responder);
gtk_box_pack_start(GTK_BOX(vbox), entry, FALSE, FALSE, 0);
/* Leave a blank line */
gtk_box_pack_start(GTK_BOX(vbox), gtk_label_new(NULL), FALSE, FALSE, 0);
}
static void add_to_vbox_init_two_way_auth(GtkWidget *vbox,
AuthSignalData *auth_opt_data) {
GtkWidget *entry;
GtkWidget *label;
GtkWidget *label2 = NULL;
char *label_text;
char *label_text_2;
label_text = g_strdup_printf(
"<small>\n%s\n</small>",
_("To authenticate, pick a secret known "
"only to you and your buddy. Enter this secret, then "
"wait for your buddy to enter it too. If the secrets "
"don't match, then you may be talking to an imposter."));
label = gtk_label_new(NULL);
gtk_label_set_markup(GTK_LABEL(label), label_text);
gtk_label_set_selectable(GTK_LABEL(label), FALSE);
g_free(label_text);
gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
otrng_known_fingerprint_s *fp =
otrng_plugin_fingerprint_get_active(auth_opt_data->smppair->conv);
if (fp && fp->trusted) {
label_text_2 = g_strdup_printf("<b>\n%s\n</b>",
_("This buddy is already authenticated."));
label2 = gtk_label_new(NULL);
gtk_label_set_markup(GTK_LABEL(label2), label_text_2);
gtk_box_pack_start(GTK_BOX(vbox), label2, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(vbox), gtk_label_new(NULL), FALSE, FALSE, 0);
}
label_text = g_strdup_printf(_("Enter secret here:"));
label = gtk_label_new(label_text);
gtk_label_set_selectable(GTK_LABEL(label), FALSE);
g_free(label_text);
gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
/* Create the text view where the user enters their secret */
entry = gtk_entry_new();
gtk_entry_set_text(GTK_ENTRY(entry), "");
gtk_entry_set_activates_default(GTK_ENTRY(entry), TRUE);
auth_opt_data->two_way_entry = GTK_ENTRY(entry);
gtk_box_pack_start(GTK_BOX(vbox), entry, FALSE, FALSE, 0);
}
static char *create_verify_fingerprint_label_v3(
const otrng_known_fingerprint_v3_s *other_fprint, const char *protocol,
const char *account) {
char our_human_fprint[OTRL_PRIVKEY_FPRINT_HUMAN_LEN];
char other_human_fprint[OTRL_PRIVKEY_FPRINT_HUMAN_LEN];
PurplePlugin *p;
char *proto_name;
char *label_text;
strncpy(our_human_fprint, _("[none]"), OTRL_PRIVKEY_FPRINT_HUMAN_LEN - 1);
otrl_privkey_fingerprint(otrng_state->user_state_v3, our_human_fprint,
account, protocol);
p = purple_find_prpl(protocol);
proto_name = (p && p->info->name) ? p->info->name : _("Unknown");
otrl_privkey_hash_to_human(other_human_fprint, other_fprint->fp->fingerprint);
label_text = g_strdup_printf(_("Fingerprint for you, %s (%s):\n%s\n\n"
"Purported fingerprint for %s:\n%s\n"),
account, proto_name, our_human_fprint,
other_fprint->username, other_human_fprint);
return label_text;
}
static char *create_verify_fingerprint_label_v4(
const otrng_known_fingerprint_s *their_fprint, const char *protocol,
const char *account) {
char our_human_fprint[OTRNG_FPRINT_HUMAN_LEN];
char their_human_fprint[OTRNG_FPRINT_HUMAN_LEN];
PurplePlugin *p;
char *proto_name;
char *label_text;
strncpy(our_human_fprint, _("[none]"), OTRNG_FPRINT_HUMAN_LEN - 1);
otrng_client_s *client = get_otrng_client(protocol, account);
char *our_fp_human_tmp = otrv4_client_adapter_privkey_fingerprint(client);
if (our_fp_human_tmp) {
strncpy(our_human_fprint, our_fp_human_tmp, OTRNG_FPRINT_HUMAN_LEN);
}
free(our_fp_human_tmp);
p = purple_find_prpl(protocol);
proto_name = (p && p->info->name) ? p->info->name : _("Unknown");
otrng_fingerprint_hash_to_human(their_human_fprint, their_fprint->fp,
sizeof(their_fprint->fp));
label_text = g_strdup_printf(_("Fingerprint for you, %s (%s):\n%s\n\n"
"Purported fingerprint for %s:\n%s\n"),
account, proto_name, our_human_fprint,
their_fprint->username, their_human_fprint);
return label_text;
}
static char *
create_verify_fingerprint_label(const otrng_plugin_fingerprint_s *their_fprint,
const char *protocol, const char *account) {
if (their_fprint->version == 3) {
return create_verify_fingerprint_label_v3(their_fprint->v3, protocol,
account);
}
return create_verify_fingerprint_label_v4(their_fprint->v4, protocol,
account);
}
static otrng_plugin_fingerprint_s *otrng_plugin_fingerprint_new(int version,
void *data) {
otrng_plugin_fingerprint_s *fp = malloc(sizeof(otrng_plugin_fingerprint_s));
fp->version = version;
if (version == 3) {
fp->v3 = data;
} else if (version == 4) {
fp->v4 = data;
}
return fp;
}
static void
add_to_vbox_verify_fingerprint(GtkWidget *vbox,
const otrng_plugin_conversation *conv,
SmpResponsePair *smppair) {
GtkWidget *label;
char *label_text;
vrfy_fingerprint_data *vfd;
otrng_plugin_fingerprint_s *fp;
if (conv->conv->running_version == 3) {
otrng_known_fingerprint_v3_s *ff;
Fingerprint *fprint = conv->conv->v3_conn->ctx->active_fingerprint;
if (fprint == NULL)
return;
if (fprint->fingerprint == NULL)
return;
ff = malloc(sizeof(otrng_known_fingerprint_v3_s));
ff->fp = fprint;
ff->username = conv->conv->v3_conn->ctx->username;
fp = otrng_plugin_fingerprint_new(3, ff);
} else {
otrng_known_fingerprint_s *fprint =
otrng_plugin_fingerprint_get_active(conv);
if (fprint == NULL)
return;
fp = otrng_plugin_fingerprint_new(4, fprint);
}
label_text = g_strdup_printf(
"<small>\n%s %s\n</small>",
_("To verify the fingerprint, contact your buddy via some "
"other authenticated channel, such as the telephone "
"or GPG-signed email. Each of you should tell your fingerprint "
"to the other."),
_("If everything matches up, you should choose the <b>I have</b> option "
"in the menu below."));
label = gtk_label_new(NULL);
gtk_label_set_markup(GTK_LABEL(label), label_text);
gtk_label_set_selectable(GTK_LABEL(label), TRUE);
g_free(label_text);
gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
label_text =
create_verify_fingerprint_label(fp, conv->protocol, conv->account);
if (label_text == NULL) {
return;
}
label = gtk_label_new(NULL);
gtk_label_set_markup(GTK_LABEL(label), label_text);
/* Make the label containing the fingerprints selectable, but
* not auto-selected. */
gtk_label_set_selectable(GTK_LABEL(label), TRUE);
g_free(label_text);
gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
vfd = vrfy_fingerprint_data_new(conv->conv->client->client_id, fp);
smppair->vfd = vfd;
add_vrfy_fingerprint(vbox, vfd);
g_signal_connect(G_OBJECT(vbox), "destroy",
G_CALLBACK(vrfy_fingerprint_destroyed), vfd);
}
static void redraw_auth_vbox(GtkComboBox *combo, void *data) {
AuthSignalData *auth_data = (AuthSignalData *)data;
GtkWidget *notebook = auth_data ? auth_data->notebook : NULL;
int selected;
if (auth_data == NULL) {
return;
}
selected = gtk_combo_box_get_active(combo);
if (selected == 0) {
gtk_notebook_set_current_page(GTK_NOTEBOOK(notebook), 0);
auth_data->smppair->entry = auth_data->one_way_entry;
auth_data->smppair->smp_type = AUTH_SMP_QUESTION;
} else if (selected == 1) {
gtk_notebook_set_current_page(GTK_NOTEBOOK(notebook), 1);
auth_data->smppair->entry = auth_data->two_way_entry;
auth_data->smppair->smp_type = AUTH_SMP_SHARED_SECRET;
} else if (selected == 2) {
auth_data->smppair->entry = NULL;
gtk_notebook_set_current_page(GTK_NOTEBOOK(notebook), 2);
auth_data->smppair->smp_type = AUTH_FINGERPRINT_VERIFICATION;
}
}
static void add_other_authentication_options(GtkWidget *vbox,
GtkWidget *notebook,
AuthSignalData *data) {
GtkWidget *label;
GtkWidget *combo;
char *labeltext;
labeltext = g_strdup_printf(
"\n%s", _("How would you like to authenticate your buddy?"));
label = gtk_label_new(labeltext);
g_free(labeltext);
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.0);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
combo = gtk_combo_box_new_text();
gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Question and answer"));
gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Shared secret"));
gtk_combo_box_append_text(GTK_COMBO_BOX(combo),
_("Manual fingerprint verification"));
gtk_combo_box_set_active(GTK_COMBO_BOX(combo), 0);
gtk_box_pack_start(GTK_BOX(vbox), combo, FALSE, FALSE, 0);
data->notebook = notebook;
g_signal_connect(combo, "changed", G_CALLBACK(redraw_auth_vbox), data);
}
static void create_smp_dialog(const char *title, const char *primary,
const otrng_plugin_conversation *pconv,
gboolean responder, const char *question) {
GtkWidget *dialog;
PurpleConversation *conv = otrng_plugin_conversation_to_purple_conv(pconv, 1);
SMPData *smp_data = purple_conversation_get_data(conv, "otr-smpdata");
close_progress_window(smp_data);
/* If you start SMP authentication on a different context, it
* will kill any existing SMP */
if (smp_data->their_instance != pconv->their_instance_tag) {
otrng_gtk_dialog_free_smp_data(conv);
smp_data = otrng_gtk_dialog_add_smp_data(conv);
}
if (!(smp_data->smp_secret_dialog)) {
GtkWidget *hbox;
GtkWidget *vbox;
GtkWidget *auth_vbox;
GtkWidget *label;
GtkWidget *img = NULL;
char *label_text;
SmpResponsePair *smppair;
GtkWidget *notebook;
AuthSignalData *auth_opt_data;
smppair = malloc(sizeof(SmpResponsePair));
if (!smppair) {
return;
}
auth_opt_data = malloc(sizeof(AuthSignalData));
if (!auth_opt_data) {
free(smppair);
return;
}
smp_data->their_instance = pconv->their_instance_tag;
dialog = gtk_dialog_new_with_buttons(
title ? title : PIDGIN_ALERT_TITLE, NULL, 0, GTK_STOCK_CANCEL,
GTK_RESPONSE_REJECT, _("_Authenticate"), GTK_RESPONSE_ACCEPT, NULL);
gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT);
auth_vbox = gtk_vbox_new(FALSE, 0);
hbox = gtk_hbox_new(FALSE, 15);
vbox = gtk_vbox_new(FALSE, 0);
notebook = gtk_notebook_new();
smppair->responder = responder;
smppair->conv = otrng_plugin_conversation_copy(pconv);
auth_opt_data->smppair = smppair;
gtk_window_set_focus_on_map(GTK_WINDOW(dialog), !responder);
gtk_window_set_role(GTK_WINDOW(dialog), "notify_dialog");
gtk_container_set_border_width(GTK_CONTAINER(dialog), 6);
gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
gtk_dialog_set_has_separator(GTK_DIALOG(dialog), FALSE);
gtk_box_set_spacing(GTK_BOX(GTK_DIALOG(dialog)->vbox), 12);
gtk_container_set_border_width(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), 6);
gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), hbox);
img = gtk_image_new_from_stock(
PIDGIN_STOCK_DIALOG_AUTH,
gtk_icon_size_from_name(PIDGIN_ICON_SIZE_TANGO_HUGE));
gtk_misc_set_alignment(GTK_MISC(img), 0, 0);
gtk_box_pack_start(GTK_BOX(hbox), img, FALSE, FALSE, 0);
label_text =
g_strdup_printf("<span weight=\"bold\" size=\"larger\">%s</span>\n\n%s",
(primary ? primary : ""),
_("Authenticating a buddy helps ensure that the person "
"you are talking to is who they claim to be."));
label = gtk_label_new(NULL);
gtk_label_set_markup(GTK_LABEL(label), label_text);
gtk_label_set_selectable(GTK_LABEL(label), FALSE);
g_free(label_text);
gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
if (!responder) {
add_other_authentication_options(vbox, notebook, auth_opt_data);
}
g_signal_connect(G_OBJECT(dialog), "response",
G_CALLBACK(smp_secret_response_cb), auth_opt_data);
if (!responder || (responder && question != NULL)) {
GtkWidget *one_way_vbox = gtk_vbox_new(FALSE, 0);
add_to_vbox_init_one_way_auth(one_way_vbox, auth_opt_data, question);
gtk_notebook_append_page(GTK_NOTEBOOK(notebook), one_way_vbox,
gtk_label_new("0"));
smppair->entry = auth_opt_data->one_way_entry;
smppair->smp_type = AUTH_SMP_QUESTION;
}
if (!responder || (responder && question == NULL)) {
GtkWidget *two_way_vbox = gtk_vbox_new(FALSE, 0);
add_to_vbox_init_two_way_auth(two_way_vbox, auth_opt_data);
gtk_notebook_append_page(GTK_NOTEBOOK(notebook), two_way_vbox,
gtk_label_new("1"));
if (responder && question == NULL) {
smppair->entry = auth_opt_data->two_way_entry;
smppair->smp_type = AUTH_SMP_SHARED_SECRET;
}
}