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/*
* This file is part of the SSH Library
*
* Copyright (c) 2010 by Aris Adamantiadis
*
* The SSH Library 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.
*
* The SSH Library 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 the SSH Library; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#define LIBSSH_STATIC
#include "torture.h"
#include "session.c"
#define KNOWNHOSTFILES "libssh_torture_knownhosts"
#define BADRSA "AAAAB3NzaC1yc2EAAAADAQABAAABAQChm5" \
"a6Av65O8cKtx5YXOnui3wJnYE6A6J/I4kZSAibbn14Jcl+34VJQwv96f25AxNmo" \
"NwoiZV93IzdypQmiuieh6s6wB9WhYjU9K/6CkIpNhpCxswA90b3ePjS7LnR9B9J" \
"slPSbG1H0KC1c5lb7G3utXteXtM+4YvCvpN5VdC4CpghT+p0cwN2Na8Md5vRItz" \
"YgIytryNn7LLiwYfoSxvWigFrTTZsrVtCOYyNgklmffpGdzuC43wdANvTewfI9G" \
"o71r8EXmEc228CrYPmb8Scv3mpXFK/BosohSGkPlEHu9lf3YjnknBicDaVtJOYp" \
"wnXJPjZo2EhG79HxDRpjJHH"
#define BADDSA "AAAAB3NzaC1kc3MAAACBAITDKqGQ5aC5wHySG6ZdL1+BVBY2nLP5vzw3i3pvZfP" \
"yNUS0UCwrt5pajsMvDRGXXebTJhWVonDnv8tpSgiuIBXMZrma8CU1KCFGRzwb/n8" \
"cc5tJmIphlOUTrObjBmsRz7u1eZmoaddXC9ask6BNnt0DmhzYi2esL3mbardy8IN" \
"zAAAAFQDlPFCm410pgQQPb3X5FWjyVEIl+QAAAIAp0vqfir8K8p+zP4dzFG7ppnt" \
"DjaXf3ge6URF7f5xPDo6CClGo2JQ2REF8NxM7K9cLgR9Ifx2ahO48UMgrXEl/BOp" \
"IQHpeBqUz26a49O5J0WEW16YSUHxWwMxWVe/SRmyKdTUZJ6fcepH88JNqm3XudNn" \
"s78grM+yx9mcXnK2AsAAAAIBxpF8ZQIlGrSgwCmCfwjP156bC3Ya6LYf9ZpLJ0dX" \
"EcxqLVllrNEvd2EGD9p16BYO2yaalYon8im59PtOcul2ay5XQ6rVDQ2T0pgNUpsI" \
"h0dSi8VJXI1wes5HTyLsv9VBmU1uCXUUvufoQKfF/OcSH0ufcCpnd62g1/adZcy2" \
"WJg=="
static void setup(void **state) {
int verbosity=torture_libssh_verbosity();
ssh_session session = ssh_new();
ssh_options_set(session, SSH_OPTIONS_LOG_VERBOSITY, &verbosity);
*state = session;
}
static void teardown(void **state) {
ssh_session session = *state;
ssh_disconnect(session);
ssh_free(session);
unlink(KNOWNHOSTFILES);
}
static void torture_knownhosts_port(void **state) {
ssh_session session = *state;
char buffer[200];
char *p;
FILE *file;
int rc;
/* Connect to localhost:22, force the port to 1234 and then write
* the known hosts file. Then check that the entry written is
* [localhost]:1234
*/
rc = ssh_options_set(session, SSH_OPTIONS_HOST, "localhost");
assert_true(rc == SSH_OK);
rc = ssh_options_set(session, SSH_OPTIONS_KNOWNHOSTS, KNOWNHOSTFILES);
assert_true(rc == SSH_OK);
rc = ssh_connect(session);
assert_true(rc==SSH_OK);
session->opts.port = 1234;
rc = ssh_write_knownhost(session);
assert_true(rc == SSH_OK);
file = fopen(KNOWNHOSTFILES, "r");
assert_true(file != NULL);
p = fgets(buffer, sizeof(buffer), file);
assert_false(p == NULL);
fclose(file);
buffer[sizeof(buffer) - 1] = '\0';
assert_true(strstr(buffer,"[localhost]:1234 ") != NULL);
ssh_disconnect(session);
ssh_free(session);
/* Now, connect back to the ssh server and verify the known host line */
*state = session = ssh_new();
ssh_options_set(session, SSH_OPTIONS_HOST, "localhost");
ssh_options_set(session, SSH_OPTIONS_KNOWNHOSTS, KNOWNHOSTFILES);
rc = ssh_connect(session);
assert_true(rc == SSH_OK);
session->opts.port = 1234;
rc = ssh_is_server_known(session);
assert_true(rc == SSH_SERVER_KNOWN_OK);
}
static void torture_knownhosts_fail(void **state) {
ssh_session session = *state;
FILE *file;
int rc;
rc = ssh_options_set(session, SSH_OPTIONS_HOST, "localhost");
assert_true(rc == SSH_OK);
rc = ssh_options_set(session, SSH_OPTIONS_KNOWNHOSTS, KNOWNHOSTFILES);
assert_true(rc == SSH_OK);
rc = ssh_options_set(session, SSH_OPTIONS_HOSTKEYS, "ssh-rsa");
assert_true(rc == SSH_OK);
file = fopen(KNOWNHOSTFILES, "w");
assert_true(file != NULL);
fprintf(file, "localhost ssh-rsa %s\n", BADRSA);
fclose(file);
rc = ssh_connect(session);
assert_true(rc==SSH_OK);
rc = ssh_is_server_known(session);
assert_true(rc == SSH_SERVER_KNOWN_CHANGED);
}
static void torture_knownhosts_other(void **state) {
ssh_session session = *state;
FILE *file;
int rc;
rc = ssh_options_set(session, SSH_OPTIONS_HOST, "localhost");
assert_true(rc == SSH_OK);
rc = ssh_options_set(session, SSH_OPTIONS_KNOWNHOSTS, KNOWNHOSTFILES);
assert_true(rc == SSH_OK);
rc = ssh_options_set(session, SSH_OPTIONS_HOSTKEYS, "ssh-dss");
assert_true(rc == SSH_OK);
file = fopen(KNOWNHOSTFILES, "w");
assert_true(file != NULL);
fprintf(file, "localhost ssh-rsa %s\n", BADRSA);
fclose(file);
rc = ssh_connect(session);
assert_true(rc==SSH_OK);
rc = ssh_is_server_known(session);
assert_true(rc == SSH_SERVER_FOUND_OTHER);
}
static void torture_knownhosts_conflict(void **state) {
ssh_session session = *state;
FILE *file;
int rc;
rc = ssh_options_set(session, SSH_OPTIONS_HOST, "localhost");
assert_true(rc == SSH_OK);
rc = ssh_options_set(session, SSH_OPTIONS_KNOWNHOSTS, KNOWNHOSTFILES);
assert_true(rc == SSH_OK);
rc = ssh_options_set(session, SSH_OPTIONS_HOSTKEYS, "ssh-rsa");
assert_true(rc == SSH_OK);
file = fopen(KNOWNHOSTFILES, "w");
assert_true(file != NULL);
fprintf(file, "localhost ssh-rsa %s\n", BADRSA);
fprintf(file, "localhost ssh-dss %s\n", BADDSA);
fclose(file);
rc = ssh_connect(session);
assert_true(rc==SSH_OK);
rc = ssh_is_server_known(session);
assert_true(rc == SSH_SERVER_KNOWN_CHANGED);
rc = ssh_write_knownhost(session);
assert_true(rc==SSH_OK);
ssh_disconnect(session);
ssh_free(session);
/* connect again and check host key */
*state = session = ssh_new();
ssh_options_set(session, SSH_OPTIONS_HOST, "localhost");
ssh_options_set(session, SSH_OPTIONS_KNOWNHOSTS, KNOWNHOSTFILES);
rc = ssh_options_set(session, SSH_OPTIONS_HOSTKEYS, "ssh-rsa");
assert_true(rc == SSH_OK);
rc = ssh_connect(session);
assert_true(rc == SSH_OK);
rc = ssh_is_server_known(session);
assert_true(rc == SSH_SERVER_KNOWN_OK);
}
int torture_run_tests(void) {
int rc;
const UnitTest tests[] = {
unit_test_setup_teardown(torture_knownhosts_port, setup, teardown),
unit_test_setup_teardown(torture_knownhosts_fail, setup, teardown),
unit_test_setup_teardown(torture_knownhosts_other, setup, teardown),
unit_test_setup_teardown(torture_knownhosts_conflict, setup, teardown)
};
ssh_init();
rc = run_tests(tests);
ssh_finalize();
return rc;
}
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