+++ /dev/null
-/*
-
- client.c
-
- Author: Pekka Riikonen <priikone@silcnet.org>
-
- Copyright (C) 1997 - 2007 Pekka Riikonen
-
- This program 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; version 2 of the License.
-
- 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.
-
-*/
-/* $Id$ */
-
-#include "module.h"
-
-#include "net-nonblock.h"
-#include "net-sendbuffer.h"
-#include "signals.h"
-#include "servers.h"
-#include "commands.h"
-#include "levels.h"
-#include "modules.h"
-#include "rawlog.h"
-#include "misc.h"
-#include "settings.h"
-
-#include "channels-setup.h"
-
-#include "silc-servers.h"
-#include "silc-channels.h"
-#include "silc-queries.h"
-#include "silc-nicklist.h"
-#include "window-item-def.h"
-
-#include "fe-common/core/printtext.h"
-#include "fe-common/core/keyboard.h"
-#include "fe-common/silc/module-formats.h"
-
-#include "core.h"
-
-#ifdef SILC_PLUGIN
-void silc_client_print_list(char *list)
-{
- char **items;
- int i=0;
-
- items = g_strsplit(list, ",", -1);
-
- while (items[i] != NULL)
- printformat_module("fe-common/silc", NULL, NULL,
- MSGLEVEL_CRAP, SILCTXT_CONFIG_LIST,
- items[i++]);
-
- g_strfreev(items);
-}
-#endif
-
-/* Lists supported ciphers */
-
-void silc_client_list_ciphers()
-{
- char *ciphers = silc_cipher_get_supported(FALSE);
-#ifdef SILC_PLUGIN
- printformat_module("fe-common/silc", NULL, NULL,
- MSGLEVEL_CRAP, SILCTXT_CONFIG_ALGOS,
- "cipher");
- silc_client_print_list(ciphers);
-#else
- fprintf(stdout, "%s\n", ciphers);
-#endif
- silc_free(ciphers);
-}
-
-/* Lists supported hash functions */
-
-void silc_client_list_hash_funcs()
-{
- char *hash = silc_hash_get_supported();
-#ifdef SILC_PLUGIN
- printformat_module("fe-common/silc", NULL, NULL,
- MSGLEVEL_CRAP, SILCTXT_CONFIG_ALGOS,
- "hash");
- silc_client_print_list(hash);
-#else
- fprintf(stdout, "%s\n", hash);
-#endif
- silc_free(hash);
-}
-
-/* Lists supported hash functions */
-
-void silc_client_list_hmacs()
-{
- char *hash = silc_hmac_get_supported();
-#ifdef SILC_PLUGIN
- printformat_module("fe-common/silc", NULL, NULL,
- MSGLEVEL_CRAP, SILCTXT_CONFIG_ALGOS,
- "hmac");
- silc_client_print_list(hash);
-#else
- fprintf(stdout, "%s\n", hash);
-#endif
- silc_free(hash);
-}
-
-/* Lists supported PKCS algorithms */
-
-void silc_client_list_pkcs()
-{
- char *pkcs = silc_pkcs_get_supported();
-#ifdef SILC_PLUGIN
- printformat_module("fe-common/silc", NULL, NULL,
- MSGLEVEL_CRAP, SILCTXT_CONFIG_ALGOS,
- "pkcs");
- silc_client_print_list(pkcs);
-#else
- fprintf(stdout, "%s\n", pkcs);
-#endif
- silc_free(pkcs);
-}
-
-/* This checks stats for various SILC files and directories. First it
- checks if ~/.silc directory exist and is owned by the correct user. If
- it doesn't exist, it will create the directory. After that it checks if
- user's Public and Private key files exists. If they doesn't exist they
- will be created after return. */
-
-int silc_client_check_silc_dir()
-{
- char filename[256], file_public_key[256], file_private_key[256];
- char servfilename[256], clientfilename[256], friendsfilename[256];
- struct stat st;
- struct passwd *pw;
-
- SILC_LOG_DEBUG(("Checking ~./silc directory"));
-
- memset(filename, 0, sizeof(filename));
- memset(file_public_key, 0, sizeof(file_public_key));
- memset(file_private_key, 0, sizeof(file_private_key));
-
- pw = getpwuid(getuid());
- if (!pw) {
- fprintf(stderr, "silc: %s\n", strerror(errno));
- return FALSE;
- }
-
- /* We'll take home path from /etc/passwd file to be sure. */
- snprintf(filename, sizeof(filename) - 1, "%s/", get_irssi_dir());
- snprintf(servfilename, sizeof(servfilename) - 1, "%s/serverkeys",
- get_irssi_dir());
- snprintf(clientfilename, sizeof(clientfilename) - 1, "%s/clientkeys",
- get_irssi_dir());
- snprintf(friendsfilename, sizeof(friendsfilename) - 1, "%s/friends",
- get_irssi_dir());
-
- /*
- * Check ~/.silc directory
- */
- if ((stat(filename, &st)) == -1) {
- /* If dir doesn't exist */
- if (errno == ENOENT) {
- if (pw->pw_uid == geteuid()) {
- if ((mkdir(filename, 0755)) == -1) {
- fprintf(stderr, "Couldn't create `%s' directory\n", filename);
- return FALSE;
- }
- } else {
- fprintf(stderr, "Couldn't create `%s' directory due to a wrong uid!\n",
- filename);
- return FALSE;
- }
- } else {
- fprintf(stderr, "%s\n", strerror(errno));
- return FALSE;
- }
- } else {
-
- /* Check the owner of the dir */
- if (st.st_uid != 0 && st.st_uid != pw->pw_uid) {
- fprintf(stderr, "You don't seem to own `%s' directory\n",
- filename);
- return FALSE;
- }
-
-#if 0
- /* Check the permissions of the dir */
- if ((st.st_mode & 0777) != 0755) {
- if ((chmod(filename, 0755)) == -1) {
- fprintf(stderr, "Permissions for `%s' directory must be 0755\n",
- filename);
- return FALSE;
- }
- }
-#endif
- }
-
- /*
- * Check ~./silc/serverkeys directory
- */
- if ((stat(servfilename, &st)) == -1) {
- /* If dir doesn't exist */
- if (errno == ENOENT) {
- if (pw->pw_uid == geteuid()) {
- if ((mkdir(servfilename, 0755)) == -1) {
- fprintf(stderr, "Couldn't create `%s' directory\n", servfilename);
- return FALSE;
- }
- } else {
- fprintf(stderr, "Couldn't create `%s' directory due to a wrong uid!\n",
- servfilename);
- return FALSE;
- }
- } else {
- fprintf(stderr, "%s\n", strerror(errno));
- return FALSE;
- }
- }
-
- /*
- * Check ~./silc/clientkeys directory
- */
- if ((stat(clientfilename, &st)) == -1) {
- /* If dir doesn't exist */
- if (errno == ENOENT) {
- if (pw->pw_uid == geteuid()) {
- if ((mkdir(clientfilename, 0755)) == -1) {
- fprintf(stderr, "Couldn't create `%s' directory\n", clientfilename);
- return FALSE;
- }
- } else {
- fprintf(stderr, "Couldn't create `%s' directory due to a wrong uid!\n",
- clientfilename);
- return FALSE;
- }
- } else {
- fprintf(stderr, "%s\n", strerror(errno));
- return FALSE;
- }
- }
-
- /*
- * Check ~./silc/friends directory
- */
- if ((stat(friendsfilename, &st)) == -1) {
- /* If dir doesn't exist */
- if (errno == ENOENT) {
- if (pw->pw_uid == geteuid()) {
- if ((mkdir(friendsfilename, 0755)) == -1) {
- fprintf(stderr, "Couldn't create `%s' directory\n", friendsfilename);
- return FALSE;
- }
- } else {
- fprintf(stderr, "Couldn't create `%s' directory due to a wrong uid!\n",
- friendsfilename);
- return FALSE;
- }
- } else {
- fprintf(stderr, "%s\n", strerror(errno));
- return FALSE;
- }
- }
-
- /*
- * Check Public and Private keys
- */
- snprintf(file_public_key, sizeof(file_public_key) - 1, "%s%s",
- filename, SILC_CLIENT_PUBLIC_KEY_NAME);
- snprintf(file_private_key, sizeof(file_private_key) - 1, "%s%s",
- filename, SILC_CLIENT_PRIVATE_KEY_NAME);
-
- if ((stat(file_public_key, &st)) == -1) {
- /* If file doesn't exist */
- if (errno == ENOENT) {
- fprintf(stdout, "Running SILC for the first time\n");
- silc_create_key_pair(SILC_CLIENT_DEF_PKCS,
- SILC_CLIENT_DEF_PKCS_LEN,
- file_public_key, file_private_key,
- NULL, NULL, NULL, NULL, FALSE);
- printf("Press <Enter> to continue...\n");
- getchar();
- } else {
- fprintf(stderr, "%s\n", strerror(errno));
- return FALSE;
- }
- }
-
- /* Check the owner of the public key */
- if (st.st_uid != 0 && st.st_uid != pw->pw_uid) {
- fprintf(stderr, "You don't seem to own your public key!?\n");
- return FALSE;
- }
-
- if ((stat(file_private_key, &st)) == -1) {
- /* If file doesn't exist */
- if (errno == ENOENT) {
- fprintf(stdout, "Your private key doesn't exist\n");
- silc_create_key_pair(SILC_CLIENT_DEF_PKCS,
- SILC_CLIENT_DEF_PKCS_LEN,
- file_public_key, file_private_key,
- NULL, NULL, NULL, NULL, FALSE);
- printf("Press <Enter> to continue...\n");
- getchar();
- } else {
- fprintf(stderr, "%s\n", strerror(errno));
- return FALSE;
- }
- }
-
- /* Check the owner of the private key */
- if (st.st_uid != 0 && st.st_uid != pw->pw_uid) {
- fprintf(stderr, "You don't seem to own your private key!?\n");
- return FALSE;
- }
-
- /* Check the permissions for the private key */
- if ((st.st_mode & 0777) != 0600) {
- fprintf(stderr, "Wrong permissions in your private key file `%s'!\n"
- "Trying to change them ... ", file_private_key);
- if ((chmod(file_private_key, 0600)) == -1) {
- fprintf(stderr,
- "Failed to change permissions for private key file!\n"
- "Permissions for your private key file must be 0600.\n");
- return FALSE;
- }
- fprintf(stderr, "Done.\n\n");
- }
-
- return TRUE;
-}
-
-/* Loads public and private key from files. */
-
-int silc_client_load_keys(SilcClient client)
-{
- char pub[256], prv[256];
- struct passwd *pw;
- bool ret;
-
- SILC_LOG_DEBUG(("Loading public and private keys"));
-
- pw = getpwuid(getuid());
- if (!pw)
- return FALSE;
-
- memset(prv, 0, sizeof(prv));
- snprintf(prv, sizeof(prv) - 1, "%s/%s",
- get_irssi_dir(), SILC_CLIENT_PRIVATE_KEY_NAME);
-
- memset(pub, 0, sizeof(pub));
- snprintf(pub, sizeof(pub) - 1, "%s/%s",
- get_irssi_dir(), SILC_CLIENT_PUBLIC_KEY_NAME);
-
- /* Try loading first with "" passphrase, for those that didn't set
- passphrase for private key, and only if that fails let it prompt
- for passphrase. */
- ret = silc_load_key_pair(pub, prv, "", &irssi_pubkey, &irssi_privkey);
- if (!ret)
- ret = silc_load_key_pair(pub, prv, NULL, &irssi_pubkey, &irssi_privkey);
-
- if (!ret)
- SILC_LOG_ERROR(("Could not load key pair"));
-
- return ret;
-}
-
-#ifdef SILC_PLUGIN
-void create_key_passphrase(const char *answer, CREATE_KEY_REC *rec)
-{
- char priv_key_file[128], pub_key_file[128];
-
- signal_stop();
-
- if ((rec->passphrase == NULL) && (answer) && (*answer != '\0')) {
- rec->passphrase = g_strdup(answer);
- keyboard_entry_redirect((SIGNAL_FUNC) create_key_passphrase,
- format_get_text("fe-common/silc", NULL, NULL,
- NULL, SILCTXT_CONFIG_PASS_ASK2),
- ENTRY_REDIRECT_FLAG_HIDDEN, rec);
- return;
- }
-
- if ((answer) && (*answer != '\0') && (rec->passphrase != NULL)) {
- if (strcmp(answer, rec->passphrase)) {
- printformat_module("fe-common/silc", NULL, NULL,
- MSGLEVEL_CRAP, SILCTXT_CONFIG_PASSMISMATCH);
- g_free(rec->pkcs);
- g_free(rec->passphrase);
- g_free(rec);
- return;
- }
- }
-
- memset(priv_key_file, 0, sizeof(priv_key_file));
- memset(pub_key_file, 0, sizeof(pub_key_file));
- snprintf(priv_key_file, sizeof(priv_key_file) - 1, "%s/%s",
- get_irssi_dir(), SILC_CLIENT_PRIVATE_KEY_NAME);
- snprintf(pub_key_file, sizeof(pub_key_file) - 1, "%s/%s",
- get_irssi_dir(), SILC_CLIENT_PUBLIC_KEY_NAME);
-
- if (silc_create_key_pair(rec->pkcs, rec->bits, pub_key_file, priv_key_file,
- NULL, (rec->passphrase == NULL ? "" : rec->passphrase),
- NULL, NULL, FALSE) == TRUE)
- printformat_module("fe-common/silc", NULL, NULL,
- MSGLEVEL_CRAP, SILCTXT_CONFIG_CREATE);
- else
- printformat_module("fe-common/silc", NULL, NULL,
- MSGLEVEL_CRAP, SILCTXT_CONFIG_CREATE_FAIL);
-
- g_free(rec->passphrase);
- g_free(rec->pkcs);
- g_free(rec);
-}
-
-void change_private_key_passphrase(const char *answer, CREATE_KEY_REC *rec)
-{
- signal_stop();
-
- if (rec->old == NULL) {
- rec->old = g_strdup((answer == NULL ? "" : answer));
- keyboard_entry_redirect((SIGNAL_FUNC) change_private_key_passphrase,
- format_get_text("fe-common/silc", NULL, NULL,
- NULL, SILCTXT_CONFIG_PASS_ASK2),
- ENTRY_REDIRECT_FLAG_HIDDEN, rec);
- return;
- }
-
- if ((rec->passphrase == NULL) && (answer) && (*answer != '\0')) {
- rec->passphrase = g_strdup(answer);
- keyboard_entry_redirect((SIGNAL_FUNC) change_private_key_passphrase,
- format_get_text("fe-common/silc", NULL, NULL,
- NULL, SILCTXT_CONFIG_PASS_ASK3),
- ENTRY_REDIRECT_FLAG_HIDDEN, rec);
- return;
- }
-
- if ((answer) && (*answer != '\0') && (rec->passphrase != NULL)) {
- if (strcmp(answer, rec->passphrase)) {
- printformat_module("fe-common/silc", NULL, NULL,
- MSGLEVEL_CRAP, SILCTXT_CONFIG_PASSMISMATCH);
- g_free(rec->old);
- g_free(rec->file);
- g_free(rec->pkcs);
- g_free(rec->passphrase);
- g_free(rec);
- return;
- }
- }
-
- if (silc_change_private_key_passphrase(rec->file, rec->old,
- (rec->passphrase == NULL ?
- "" : rec->passphrase)) == TRUE)
- printformat_module("fe-common/silc", NULL, NULL,
- MSGLEVEL_CRAP, SILCTXT_CONFIG_PASSCHANGE);
- else
- printformat_module("fe-common/silc", NULL, NULL,
- MSGLEVEL_CRAP, SILCTXT_CONFIG_PASSCHANGE_FAIL);
- g_free(rec->old);
- g_free(rec->file);
- g_free(rec->passphrase);
- g_free(rec->pkcs);
- g_free(rec);
-
-}
-#endif
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