From fa89e2aa628c769540a73989759394f2bd7744c1 Mon Sep 17 00:00:00 2001 From: James Booth Date: Sun, 9 Feb 2014 00:32:11 +0000 Subject: Check for libotr version --- Makefile.am | 17 ++- configure.ac | 28 +++- src/otr.c | 472 ----------------------------------------------------------- src/otr3.c | 472 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 511 insertions(+), 478 deletions(-) delete mode 100644 src/otr.c create mode 100644 src/otr3.c diff --git a/Makefile.am b/Makefile.am index 1c3388d2..9bea1a50 100644 --- a/Makefile.am +++ b/Makefile.am @@ -94,8 +94,11 @@ main_source = src/main.c git_sources = \ src/gitversion.c -otr_sources = \ - src/otr.c src/otr.h +otr3_sources = \ + src/otr3.c src/otr.h + +otr4_sources = \ + src/otr4.c src/otr.h if INCLUDE_GIT_VERSION with_git_sources = $(git_sources) $(core_sources) @@ -105,9 +108,15 @@ with_git_sources = $(core_sources) tests_with_git_sources = $(test_sources) endif +if BUILD_OTR if BUILD_OTR3 -with_otr_sources = $(with_git_sources) $(otr_sources) -tests_with_otr_sources = $(tests_with_git_sources) $(otr_sources) +with_otr_sources = $(with_git_sources) $(otr3_sources) +tests_with_otr_sources = $(tests_with_git_sources) $(otr3_sources) +endif +if BUILD_OTR4 +with_otr_sources = $(with_git_sources) $(otr4_sources) +tests_with_otr_sources = $(tests_with_git_sources) $(otr4_sources) +endif else with_otr_sources = $(with_git_sources) tests_with_otr_sources = $(tests_with_git_sources) diff --git a/configure.ac b/configure.ac index aed16cd8..65560ac9 100644 --- a/configure.ac +++ b/configure.ac @@ -131,14 +131,38 @@ elif test "x$with_xscreensaver" = x; then [AC_MSG_NOTICE([libX11 not found, falling back to profanity auto-away])]) fi +AM_CONDITIONAL([BUILD_OTR], [false]) AM_CONDITIONAL([BUILD_OTR3], [false]) +AM_CONDITIONAL([BUILD_OTR4], [false]) if test "x$enable_otr" = xyes; then AC_SEARCH_LIBS([otrl_init], [otr], - [AM_CONDITIONAL([BUILD_OTR3], [true]) AC_DEFINE([HAVE_LIBOTR], [1], [Have libotr])], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[ + #include + ]],[[ + #if OTRL_VERSION_MAJOR == 4 + // OK + #else + # assume version 3 + #endif + ]])], + [AM_CONDITIONAL([BUILD_OTR], [true]) AM_CONDITIONAL([BUILD_OTR4], [true]) AC_DEFINE([HAVE_LIBOTR], [1], [Have libotr])], + [AM_CONDITIONAL([BUILD_OTR], [true]) AM_CONDITIONAL([BUILD_OTR3], [true]) AC_DEFINE([HAVE_LIBOTR], [1], [Have libotr])])], [AC_MSG_ERROR([libotr is required for otr encryption support])]) elif test "x$enable_otr" = x; then AC_SEARCH_LIBS([otrl_init], [otr], - [AM_CONDITIONAL([BUILD_OTR3], [true]) AC_DEFINE([HAVE_LIBOTR], [1], [Have libotr])], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[ + #include + ]],[[ + #if OTRL_VERSION_MAJOR == 4 + // OK + #else + # assume version 3 + #endif + ]])], + [AM_CONDITIONAL([BUILD_OTR], [true]) AM_CONDITIONAL([BUILD_OTR4], [true]) AC_DEFINE([HAVE_LIBOTR], [1], [Have libotr])], + [AM_CONDITIONAL([BUILD_OTR], [true]) AM_CONDITIONAL([BUILD_OTR3], [true]) AC_DEFINE([HAVE_LIBOTR], [1], [Have libotr])])], [AC_MSG_NOTICE([libotr not found, otr entryption support not enabled])]) fi diff --git a/src/otr.c b/src/otr.c deleted file mode 100644 index fb8af681..00000000 --- a/src/otr.c +++ /dev/null @@ -1,472 +0,0 @@ -/* - * otr.c - * - * Copyright (C) 2012, 2013 James Booth - * - * This file is part of Profanity. - * - * Profanity is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * Profanity 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 Profanity. If not, see . - * - */ - -#include -#include -#include -#include - -#include "otr.h" -#include "log.h" -#include "roster_list.h" -#include "contact.h" -#include "ui/ui.h" - -static OtrlUserState user_state; -static OtrlMessageAppOps ops; -static char *jid; -static gboolean data_loaded; - -// ops callbacks -static OtrlPolicy -cb_policy(void *opdata, ConnContext *context) -{ - return OTRL_POLICY_DEFAULT ; -} - -static int -cb_is_logged_in(void *opdata, const char *accountname, - const char *protocol, const char *recipient) -{ - PContact contact = roster_get_contact(recipient); - if (g_strcmp0(p_contact_presence(contact), "offline") == 0) { - return 0; - } else { - return 1; - } -} - -static void -cb_inject_message(void *opdata, const char *accountname, - const char *protocol, const char *recipient, const char *message) -{ - message_send(message, recipient); -} - -static int -cb_display_otr_message(void *opdata, const char *accountname, - const char *protocol, const char *username, const char *msg) -{ - cons_show_error("%s", msg); - return 0; -} - -static void -cb_write_fingerprints(void *opdata) -{ - gcry_error_t err = 0; - gchar *data_home = xdg_get_data_home(); - gchar *account_dir = str_replace(jid, "@", "_at_"); - - GString *basedir = g_string_new(data_home); - g_string_append(basedir, "/profanity/otr/"); - g_string_append(basedir, account_dir); - g_string_append(basedir, "/"); - free(account_dir); - - GString *fpsfilename = g_string_new(basedir->str); - g_string_append(fpsfilename, "fingerprints.txt"); - err = otrl_privkey_write_fingerprints(user_state, fpsfilename->str); - if (!err == GPG_ERR_NO_ERROR) { - log_error("Failed to write fingerprints file"); - cons_show_error("Failed to create fingerprints file"); - } - g_string_free(basedir, TRUE); - g_string_free(fpsfilename, TRUE); -} - -static void -cb_gone_secure(void *opdata, ConnContext *context) -{ - ui_gone_secure(context->username, otr_is_trusted(context->username)); -} - -void -otr_init(void) -{ - log_info("Initialising OTR"); - OTRL_INIT; - - ops.policy = cb_policy; - ops.is_logged_in = cb_is_logged_in; - ops.inject_message = cb_inject_message; - ops.display_otr_message = cb_display_otr_message; - ops.write_fingerprints = cb_write_fingerprints; - ops.gone_secure = cb_gone_secure; - - data_loaded = FALSE; -} - -void -otr_on_connect(ProfAccount *account) -{ - jid = strdup(account->jid); - log_info("Loading OTR key for %s", jid); - - gchar *data_home = xdg_get_data_home(); - gchar *account_dir = str_replace(jid, "@", "_at_"); - - GString *basedir = g_string_new(data_home); - g_string_append(basedir, "/profanity/otr/"); - g_string_append(basedir, account_dir); - g_string_append(basedir, "/"); - free(account_dir); - - if (!mkdir_recursive(basedir->str)) { - log_error("Could not create %s for account %s.", basedir->str, jid); - cons_show_error("Could not create %s for account %s.", basedir->str, jid); - g_string_free(basedir, TRUE); - return; - } - - user_state = otrl_userstate_create(); - - gcry_error_t err = 0; - - GString *keysfilename = g_string_new(basedir->str); - g_string_append(keysfilename, "keys.txt"); - if (!g_file_test(keysfilename->str, G_FILE_TEST_IS_REGULAR)) { - log_info("No private key file found %s", keysfilename->str); - data_loaded = FALSE; - } else { - log_info("Loading OTR private key %s", keysfilename->str); - err = otrl_privkey_read(user_state, keysfilename->str); - if (!err == GPG_ERR_NO_ERROR) { - g_string_free(basedir, TRUE); - g_string_free(keysfilename, TRUE); - log_error("Failed to load private key"); - return; - } else { - log_info("Loaded private key"); - data_loaded = TRUE; - } - } - - GString *fpsfilename = g_string_new(basedir->str); - g_string_append(fpsfilename, "fingerprints.txt"); - if (!g_file_test(fpsfilename->str, G_FILE_TEST_IS_REGULAR)) { - log_info("No fingerprints file found %s", fpsfilename->str); - data_loaded = FALSE; - } else { - log_info("Loading fingerprints %s", fpsfilename->str); - err = otrl_privkey_read_fingerprints(user_state, fpsfilename->str, NULL, NULL); - if (!err == GPG_ERR_NO_ERROR) { - g_string_free(basedir, TRUE); - g_string_free(keysfilename, TRUE); - g_string_free(fpsfilename, TRUE); - log_error("Failed to load fingerprints"); - return; - } else { - log_info("Loaded fingerprints"); - data_loaded = TRUE; - } - } - - if (data_loaded) { - cons_show("Loaded OTR private key for %s", jid); - } - - g_string_free(basedir, TRUE); - g_string_free(keysfilename, TRUE); - g_string_free(fpsfilename, TRUE); - return; -} - -void -otr_keygen(ProfAccount *account) -{ - if (data_loaded) { - cons_show("OTR key already generated."); - return; - } - - jid = strdup(account->jid); - log_info("Generating OTR key for %s", jid); - - jid = strdup(account->jid); - - gchar *data_home = xdg_get_data_home(); - gchar *account_dir = str_replace(jid, "@", "_at_"); - - GString *basedir = g_string_new(data_home); - g_string_append(basedir, "/profanity/otr/"); - g_string_append(basedir, account_dir); - g_string_append(basedir, "/"); - free(account_dir); - - if (!mkdir_recursive(basedir->str)) { - log_error("Could not create %s for account %s.", basedir->str, jid); - cons_show_error("Could not create %s for account %s.", basedir->str, jid); - g_string_free(basedir, TRUE); - return; - } - - gcry_error_t err = 0; - - GString *keysfilename = g_string_new(basedir->str); - g_string_append(keysfilename, "keys.txt"); - log_debug("Generating private key file %s for %s", keysfilename->str, jid); - cons_show("Generating private key, this may take some time."); - cons_show("Moving the mouse randomly around the screen may speed up the process!"); - ui_current_page_off(); - ui_refresh(); - err = otrl_privkey_generate(user_state, keysfilename->str, account->jid, "xmpp"); - if (!err == GPG_ERR_NO_ERROR) { - g_string_free(basedir, TRUE); - g_string_free(keysfilename, TRUE); - log_error("Failed to generate private key"); - cons_show_error("Failed to generate private key"); - return; - } - log_info("Private key generated"); - cons_show(""); - cons_show("Private key generation complete."); - - GString *fpsfilename = g_string_new(basedir->str); - g_string_append(fpsfilename, "fingerprints.txt"); - log_debug("Generating fingerprints file %s for %s", fpsfilename->str, jid); - err = otrl_privkey_write_fingerprints(user_state, fpsfilename->str); - if (!err == GPG_ERR_NO_ERROR) { - g_string_free(basedir, TRUE); - g_string_free(keysfilename, TRUE); - log_error("Failed to create fingerprints file"); - cons_show_error("Failed to create fingerprints file"); - return; - } - log_info("Fingerprints file created"); - - err = otrl_privkey_read(user_state, keysfilename->str); - if (!err == GPG_ERR_NO_ERROR) { - g_string_free(basedir, TRUE); - g_string_free(keysfilename, TRUE); - log_error("Failed to load private key"); - data_loaded = FALSE; - return; - } - - err = otrl_privkey_read_fingerprints(user_state, fpsfilename->str, NULL, NULL); - if (!err == GPG_ERR_NO_ERROR) { - g_string_free(basedir, TRUE); - g_string_free(keysfilename, TRUE); - log_error("Failed to load fingerprints"); - data_loaded = FALSE; - return; - } - - data_loaded = TRUE; - - g_string_free(basedir, TRUE); - g_string_free(keysfilename, TRUE); - g_string_free(fpsfilename, TRUE); - return; -} - -gboolean -otr_key_loaded(void) -{ - return data_loaded; -} - -gboolean -otr_is_secure(const char * const recipient) -{ - ConnContext *context = otrl_context_find(user_state, recipient, jid, "xmpp", - 0, NULL, NULL, NULL); - - if (context == NULL) { - return FALSE; - } - - if (context->msgstate != OTRL_MSGSTATE_ENCRYPTED) { - return FALSE; - } else { - return TRUE; - } -} - -gboolean -otr_is_trusted(const char * const recipient) -{ - ConnContext *context = otrl_context_find(user_state, recipient, jid, "xmpp", - 0, NULL, NULL, NULL); - - if (context == NULL) { - return FALSE; - } - - if (context->msgstate != OTRL_MSGSTATE_ENCRYPTED) { - return TRUE; - } - - if (context->active_fingerprint && - g_strcmp0(context->active_fingerprint->trust, "trusted") == 0) { - return TRUE; - } - - return FALSE; -} - -void -otr_trust(const char * const recipient) -{ - ConnContext *context = otrl_context_find(user_state, recipient, jid, "xmpp", - 0, NULL, NULL, NULL); - - if (context == NULL) { - return; - } - - if (context->msgstate != OTRL_MSGSTATE_ENCRYPTED) { - return; - } - - if (context->active_fingerprint) { - context->active_fingerprint->trust = "trusted"; - cb_write_fingerprints(NULL); - } - - return; -} - -void -otr_untrust(const char * const recipient) -{ - ConnContext *context = otrl_context_find(user_state, recipient, jid, "xmpp", - 0, NULL, NULL, NULL); - - if (context == NULL) { - return; - } - - if (context->msgstate != OTRL_MSGSTATE_ENCRYPTED) { - return; - } - - if (context->active_fingerprint) { - context->active_fingerprint->trust = NULL; - cb_write_fingerprints(NULL); - } - - return; -} - -void -otr_end_session(const char * const recipient) -{ - ConnContext *context = otrl_context_find(user_state, recipient, jid, "xmpp", - 0, NULL, NULL, NULL); - - if (context != NULL) { - otrl_message_disconnect(user_state, &ops, NULL, jid, "xmpp", recipient); - } -} - -char * -otr_get_my_fingerprint(void) -{ - char fingerprint[45]; - otrl_privkey_fingerprint(user_state, fingerprint, jid, "xmpp"); - char *result = strdup(fingerprint); - - return result; -} - -char * -otr_get_their_fingerprint(const char * const recipient) -{ - ConnContext *context = otrl_context_find(user_state, recipient, jid, "xmpp", - 0, NULL, NULL, NULL); - - if (context != NULL) { - Fingerprint *fingerprint = context->active_fingerprint; - char readable[45]; - otrl_privkey_hash_to_human(readable, fingerprint->fingerprint); - return strdup(readable); - } else { - return NULL; - } -} - -char * -otr_encrypt_message(const char * const to, const char * const message) -{ - gcry_error_t err; - char *newmessage = NULL; - - err = otrl_message_sending( - user_state, - &ops, - NULL, - jid, - "xmpp", - to, - message, - 0, - &newmessage, - NULL, - NULL); - if (!err == GPG_ERR_NO_ERROR) { - return NULL; - } else { - return newmessage; - } -} - -char * -otr_decrypt_message(const char * const from, const char * const message, gboolean *was_decrypted) -{ - char *decrypted = NULL; - OtrlTLV *tlvs = NULL; - OtrlTLV *tlv = NULL; - int result = otrl_message_receiving(user_state, &ops, NULL, jid, "xmpp", from, message, &decrypted, &tlvs, NULL, NULL); - - // internal libotr message - if (result == 1) { - tlv = otrl_tlv_find(tlvs, OTRL_TLV_DISCONNECTED); - if (tlv) { - ConnContext *context = otrl_context_find(user_state, from, jid, "xmpp", - 0, NULL, NULL, NULL); - - if (context != NULL) { - otrl_context_force_plaintext(context); - ui_gone_insecure(from); - } - } - return NULL; - - // message was decrypted, return to user - } else if (decrypted != NULL) { - *was_decrypted = TRUE; - return decrypted; - - // normal non OTR message - } else { - *was_decrypted = FALSE; - return strdup(message); - } -} - -void -otr_free_message(char *message) -{ - otrl_message_free(message); -} diff --git a/src/otr3.c b/src/otr3.c new file mode 100644 index 00000000..5da2bfab --- /dev/null +++ b/src/otr3.c @@ -0,0 +1,472 @@ +/* + * otr3.c + * + * Copyright (C) 2012, 2013 James Booth + * + * This file is part of Profanity. + * + * Profanity is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * Profanity 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 Profanity. If not, see . + * + */ + +#include +#include +#include +#include + +#include "otr.h" +#include "log.h" +#include "roster_list.h" +#include "contact.h" +#include "ui/ui.h" + +static OtrlUserState user_state; +static OtrlMessageAppOps ops; +static char *jid; +static gboolean data_loaded; + +// ops callbacks +static OtrlPolicy +cb_policy(void *opdata, ConnContext *context) +{ + return OTRL_POLICY_DEFAULT ; +} + +static int +cb_is_logged_in(void *opdata, const char *accountname, + const char *protocol, const char *recipient) +{ + PContact contact = roster_get_contact(recipient); + if (g_strcmp0(p_contact_presence(contact), "offline") == 0) { + return 0; + } else { + return 1; + } +} + +static void +cb_inject_message(void *opdata, const char *accountname, + const char *protocol, const char *recipient, const char *message) +{ + message_send(message, recipient); +} + +static int +cb_display_otr_message(void *opdata, const char *accountname, + const char *protocol, const char *username, const char *msg) +{ + cons_show_error("%s", msg); + return 0; +} + +static void +cb_write_fingerprints(void *opdata) +{ + gcry_error_t err = 0; + gchar *data_home = xdg_get_data_home(); + gchar *account_dir = str_replace(jid, "@", "_at_"); + + GString *basedir = g_string_new(data_home); + g_string_append(basedir, "/profanity/otr/"); + g_string_append(basedir, account_dir); + g_string_append(basedir, "/"); + free(account_dir); + + GString *fpsfilename = g_string_new(basedir->str); + g_string_append(fpsfilename, "fingerprints.txt"); + err = otrl_privkey_write_fingerprints(user_state, fpsfilename->str); + if (!err == GPG_ERR_NO_ERROR) { + log_error("Failed to write fingerprints file"); + cons_show_error("Failed to create fingerprints file"); + } + g_string_free(basedir, TRUE); + g_string_free(fpsfilename, TRUE); +} + +static void +cb_gone_secure(void *opdata, ConnContext *context) +{ + ui_gone_secure(context->username, otr_is_trusted(context->username)); +} + +void +otr_init(void) +{ + log_info("Initialising OTR"); + OTRL_INIT; + + ops.policy = cb_policy; + ops.is_logged_in = cb_is_logged_in; + ops.inject_message = cb_inject_message; + ops.display_otr_message = cb_display_otr_message; + ops.write_fingerprints = cb_write_fingerprints; + ops.gone_secure = cb_gone_secure; + + data_loaded = FALSE; +} + +void +otr_on_connect(ProfAccount *account) +{ + jid = strdup(account->jid); + log_info("Loading OTR key for %s", jid); + + gchar *data_home = xdg_get_data_home(); + gchar *account_dir = str_replace(jid, "@", "_at_"); + + GString *basedir = g_string_new(data_home); + g_string_append(basedir, "/profanity/otr/"); + g_string_append(basedir, account_dir); + g_string_append(basedir, "/"); + free(account_dir); + + if (!mkdir_recursive(basedir->str)) { + log_error("Could not create %s for account %s.", basedir->str, jid); + cons_show_error("Could not create %s for account %s.", basedir->str, jid); + g_string_free(basedir, TRUE); + return; + } + + user_state = otrl_userstate_create(); + + gcry_error_t err = 0; + + GString *keysfilename = g_string_new(basedir->str); + g_string_append(keysfilename, "keys.txt"); + if (!g_file_test(keysfilename->str, G_FILE_TEST_IS_REGULAR)) { + log_info("No private key file found %s", keysfilename->str); + data_loaded = FALSE; + } else { + log_info("Loading OTR private key %s", keysfilename->str); + err = otrl_privkey_read(user_state, keysfilename->str); + if (!err == GPG_ERR_NO_ERROR) { + g_string_free(basedir, TRUE); + g_string_free(keysfilename, TRUE); + log_error("Failed to load private key"); + return; + } else { + log_info("Loaded private key"); + data_loaded = TRUE; + } + } + + GString *fpsfilename = g_string_new(basedir->str); + g_string_append(fpsfilename, "fingerprints.txt"); + if (!g_file_test(fpsfilename->str, G_FILE_TEST_IS_REGULAR)) { + log_info("No fingerprints file found %s", fpsfilename->str); + data_loaded = FALSE; + } else { + log_info("Loading fingerprints %s", fpsfilename->str); + err = otrl_privkey_read_fingerprints(user_state, fpsfilename->str, NULL, NULL); + if (!err == GPG_ERR_NO_ERROR) { + g_string_free(basedir, TRUE); + g_string_free(keysfilename, TRUE); + g_string_free(fpsfilename, TRUE); + log_error("Failed to load fingerprints"); + return; + } else { + log_info("Loaded fingerprints"); + data_loaded = TRUE; + } + } + + if (data_loaded) { + cons_show("Loaded OTR private key for %s", jid); + } + + g_string_free(basedir, TRUE); + g_string_free(keysfilename, TRUE); + g_string_free(fpsfilename, TRUE); + return; +} + +void +otr_keygen(ProfAccount *account) +{ + if (data_loaded) { + cons_show("OTR key already generated."); + return; + } + + jid = strdup(account->jid); + log_info("Generating OTR key for %s", jid); + + jid = strdup(account->jid); + + gchar *data_home = xdg_get_data_home(); + gchar *account_dir = str_replace(jid, "@", "_at_"); + + GString *basedir = g_string_new(data_home); + g_string_append(basedir, "/profanity/otr/"); + g_string_append(basedir, account_dir); + g_string_append(basedir, "/"); + free(account_dir); + + if (!mkdir_recursive(basedir->str)) { + log_error("Could not create %s for account %s.", basedir->str, jid); + cons_show_error("Could not create %s for account %s.", basedir->str, jid); + g_string_free(basedir, TRUE); + return; + } + + gcry_error_t err = 0; + + GString *keysfilename = g_string_new(basedir->str); + g_string_append(keysfilename, "keys.txt"); + log_debug("Generating private key file %s for %s", keysfilename->str, jid); + cons_show("Generating private key, this may take some time."); + cons_show("Moving the mouse randomly around the screen may speed up the process!"); + ui_current_page_off(); + ui_refresh(); + err = otrl_privkey_generate(user_state, keysfilename->str, account->jid, "xmpp"); + if (!err == GPG_ERR_NO_ERROR) { + g_string_free(basedir, TRUE); + g_string_free(keysfilename, TRUE); + log_error("Failed to generate private key"); + cons_show_error("Failed to generate private key"); + return; + } + log_info("Private key generated"); + cons_show(""); + cons_show("Private key generation complete."); + + GString *fpsfilename = g_string_new(basedir->str); + g_string_append(fpsfilename, "fingerprints.txt"); + log_debug("Generating fingerprints file %s for %s", fpsfilename->str, jid); + err = otrl_privkey_write_fingerprints(user_state, fpsfilename->str); + if (!err == GPG_ERR_NO_ERROR) { + g_string_free(basedir, TRUE); + g_string_free(keysfilename, TRUE); + log_error("Failed to create fingerprints file"); + cons_show_error("Failed to create fingerprints file"); + return; + } + log_info("Fingerprints file created"); + + err = otrl_privkey_read(user_state, keysfilename->str); + if (!err == GPG_ERR_NO_ERROR) { + g_string_free(basedir, TRUE); + g_string_free(keysfilename, TRUE); + log_error("Failed to load private key"); + data_loaded = FALSE; + return; + } + + err = otrl_privkey_read_fingerprints(user_state, fpsfilename->str, NULL, NULL); + if (!err == GPG_ERR_NO_ERROR) { + g_string_free(basedir, TRUE); + g_string_free(keysfilename, TRUE); + log_error("Failed to load fingerprints"); + data_loaded = FALSE; + return; + } + + data_loaded = TRUE; + + g_string_free(basedir, TRUE); + g_string_free(keysfilename, TRUE); + g_string_free(fpsfilename, TRUE); + return; +} + +gboolean +otr_key_loaded(void) +{ + return data_loaded; +} + +gboolean +otr_is_secure(const char * const recipient) +{ + ConnContext *context = otrl_context_find(user_state, recipient, jid, "xmpp", + 0, NULL, NULL, NULL); + + if (context == NULL) { + return FALSE; + } + + if (context->msgstate != OTRL_MSGSTATE_ENCRYPTED) { + return FALSE; + } else { + return TRUE; + } +} + +gboolean +otr_is_trusted(const char * const recipient) +{ + ConnContext *context = otrl_context_find(user_state, recipient, jid, "xmpp", + 0, NULL, NULL, NULL); + + if (context == NULL) { + return FALSE; + } + + if (context->msgstate != OTRL_MSGSTATE_ENCRYPTED) { + return TRUE; + } + + if (context->active_fingerprint && + g_strcmp0(context->active_fingerprint->trust, "trusted") == 0) { + return TRUE; + } + + return FALSE; +} + +void +otr_trust(const char * const recipient) +{ + ConnContext *context = otrl_context_find(user_state, recipient, jid, "xmpp", + 0, NULL, NULL, NULL); + + if (context == NULL) { + return; + } + + if (context->msgstate != OTRL_MSGSTATE_ENCRYPTED) { + return; + } + + if (context->active_fingerprint) { + context->active_fingerprint->trust = "trusted"; + cb_write_fingerprints(NULL); + } + + return; +} + +void +otr_untrust(const char * const recipient) +{ + ConnContext *context = otrl_context_find(user_state, recipient, jid, "xmpp", + 0, NULL, NULL, NULL); + + if (context == NULL) { + return; + } + + if (context->msgstate != OTRL_MSGSTATE_ENCRYPTED) { + return; + } + + if (context->active_fingerprint) { + context->active_fingerprint->trust = NULL; + cb_write_fingerprints(NULL); + } + + return; +} + +void +otr_end_session(const char * const recipient) +{ + ConnContext *context = otrl_context_find(user_state, recipient, jid, "xmpp", + 0, NULL, NULL, NULL); + + if (context != NULL) { + otrl_message_disconnect(user_state, &ops, NULL, jid, "xmpp", recipient); + } +} + +char * +otr_get_my_fingerprint(void) +{ + char fingerprint[45]; + otrl_privkey_fingerprint(user_state, fingerprint, jid, "xmpp"); + char *result = strdup(fingerprint); + + return result; +} + +char * +otr_get_their_fingerprint(const char * const recipient) +{ + ConnContext *context = otrl_context_find(user_state, recipient, jid, "xmpp", + 0, NULL, NULL, NULL); + + if (context != NULL) { + Fingerprint *fingerprint = context->active_fingerprint; + char readable[45]; + otrl_privkey_hash_to_human(readable, fingerprint->fingerprint); + return strdup(readable); + } else { + return NULL; + } +} + +char * +otr_encrypt_message(const char * const to, const char * const message) +{ + gcry_error_t err; + char *newmessage = NULL; + + err = otrl_message_sending( + user_state, + &ops, + NULL, + jid, + "xmpp", + to, + message, + 0, + &newmessage, + NULL, + NULL); + if (!err == GPG_ERR_NO_ERROR) { + return NULL; + } else { + return newmessage; + } +} + +char * +otr_decrypt_message(const char * const from, const char * const message, gboolean *was_decrypted) +{ + char *decrypted = NULL; + OtrlTLV *tlvs = NULL; + OtrlTLV *tlv = NULL; + int result = otrl_message_receiving(user_state, &ops, NULL, jid, "xmpp", from, message, &decrypted, &tlvs, NULL, NULL); + + // internal libotr message + if (result == 1) { + tlv = otrl_tlv_find(tlvs, OTRL_TLV_DISCONNECTED); + if (tlv) { + ConnContext *context = otrl_context_find(user_state, from, jid, "xmpp", + 0, NULL, NULL, NULL); + + if (context != NULL) { + otrl_context_force_plaintext(context); + ui_gone_insecure(from); + } + } + return NULL; + + // message was decrypted, return to user + } else if (decrypted != NULL) { + *was_decrypted = TRUE; + return decrypted; + + // normal non OTR message + } else { + *was_decrypted = FALSE; + return strdup(message); + } +} + +void +otr_free_message(char *message) +{ + otrl_message_free(message); +} -- cgit 1.4.1-2-gfad0