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import libssh-0.9.6-10.el8_8

This commit is contained in:
Andrew Lukoshko 2023-06-29 19:07:10 +00:00
parent b5748463d2
commit 93ccf6c206
5 changed files with 2851 additions and 1 deletions
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86
SOURCES/auth_bypass.patch Normal file
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@ -0,0 +1,86 @@
diff --color -ru ../libssh-0.9.6/src/pki_crypto.c ./src/pki_crypto.c
--- ../libssh-0.9.6/src/pki_crypto.c 2023-04-27 12:59:08.463259052 +0200
+++ ./src/pki_crypto.c 2023-04-27 13:05:24.020610873 +0200
@@ -2291,8 +2291,12 @@
unsigned char *raw_sig_data = NULL;
unsigned int raw_sig_len;
+ /* Function return code
+ * Do not change this variable throughout the function until the signature
+ * is successfully verified!
+ */
int rc = SSH_ERROR;
- int evp_rc;
+ int ok;
if (pubkey == NULL || ssh_key_is_private(pubkey) || input == NULL ||
signature == NULL || (signature->raw_sig == NULL
@@ -2307,8 +2311,8 @@
}
/* Check if public key and hash type are compatible */
- rc = pki_key_check_hash_compatible(pubkey, signature->hash_type);
- if (rc != SSH_OK) {
+ ok = pki_key_check_hash_compatible(pubkey, signature->hash_type);
+ if (ok != SSH_OK) {
return SSH_ERROR;
}
@@ -2351,8 +2355,8 @@
}
/* Verify the signature */
- evp_rc = EVP_DigestVerifyInit(ctx, NULL, md, NULL, pkey);
- if (evp_rc != 1){
+ ok = EVP_DigestVerifyInit(ctx, NULL, md, NULL, pkey);
+ if (ok != 1){
SSH_LOG(SSH_LOG_TRACE,
"EVP_DigestVerifyInit() failed: %s",
ERR_error_string(ERR_get_error(), NULL));
@@ -2360,35 +2364,31 @@
}
#ifdef HAVE_OPENSSL_EVP_DIGESTVERIFY
- evp_rc = EVP_DigestVerify(ctx, raw_sig_data, raw_sig_len, input, input_len);
+ ok = EVP_DigestVerify(ctx, raw_sig_data, raw_sig_len, input, input_len);
#else
- evp_rc = EVP_DigestVerifyUpdate(ctx, input, input_len);
- if (evp_rc != 1) {
+ ok = EVP_DigestVerifyUpdate(ctx, input, input_len);
+ if (ok != 1) {
SSH_LOG(SSH_LOG_TRACE,
"EVP_DigestVerifyUpdate() failed: %s",
ERR_error_string(ERR_get_error(), NULL));
goto out;
}
- evp_rc = EVP_DigestVerifyFinal(ctx, raw_sig_data, raw_sig_len);
+ ok = EVP_DigestVerifyFinal(ctx, raw_sig_data, raw_sig_len);
#endif
- if (evp_rc == 1) {
- SSH_LOG(SSH_LOG_TRACE, "Signature valid");
- rc = SSH_OK;
- } else {
+ if (ok != 1) {
SSH_LOG(SSH_LOG_TRACE,
"Signature invalid: %s",
ERR_error_string(ERR_get_error(), NULL));
- rc = SSH_ERROR;
+ goto out;
}
+ SSH_LOG(SSH_LOG_TRACE, "Signature valid");
+ rc = SSH_OK;
+
out:
- if (ctx != NULL) {
- EVP_MD_CTX_free(ctx);
- }
- if (pkey != NULL) {
- EVP_PKEY_free(pkey);
- }
+ EVP_MD_CTX_free(ctx);
+ EVP_PKEY_free(pkey);
return rc;
}

228
SOURCES/covscan23.patch Normal file
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@ -0,0 +1,228 @@
diff --color -ru ../libssh-0.9.6/src/buffer.c ./src/buffer.c
--- ../libssh-0.9.6/src/buffer.c 2023-05-03 11:53:48.710217753 +0200
+++ ./src/buffer.c 2023-05-03 11:58:21.995200990 +0200
@@ -747,7 +747,8 @@
*/
int ssh_buffer_validate_length(struct ssh_buffer_struct *buffer, size_t len)
{
- if (buffer->pos + len < len || buffer->pos + len > buffer->used) {
+ if (buffer == NULL || buffer->pos + len < len ||
+ buffer->pos + len > buffer->used) {
return SSH_ERROR;
}
diff --color -ru ../libssh-0.9.6/src/gssapi.c ./src/gssapi.c
--- ../libssh-0.9.6/src/gssapi.c 2023-05-03 11:53:48.732217993 +0200
+++ ./src/gssapi.c 2023-05-03 11:58:21.976200782 +0200
@@ -437,11 +437,18 @@
hexa = ssh_get_hexa(output_token.value, output_token.length);
SSH_LOG(SSH_LOG_PACKET, "GSSAPI: sending token %s",hexa);
SAFE_FREE(hexa);
- ssh_buffer_pack(session->out_buffer,
- "bdP",
- SSH2_MSG_USERAUTH_GSSAPI_TOKEN,
- output_token.length,
- (size_t)output_token.length, output_token.value);
+ rc = ssh_buffer_pack(session->out_buffer,
+ "bdP",
+ SSH2_MSG_USERAUTH_GSSAPI_TOKEN,
+ output_token.length,
+ (size_t)output_token.length, output_token.value);
+ if (rc != SSH_OK) {
+ ssh_set_error_oom(session);
+ ssh_auth_reply_default(session, 0);
+ ssh_gssapi_free(session);
+ session->gssapi = NULL;
+ return SSH_PACKET_USED;
+ }
ssh_packet_send(session);
}
@@ -846,6 +853,7 @@
}
SSH_PACKET_CALLBACK(ssh_packet_userauth_gssapi_response){
+ int rc;
ssh_string oid_s;
gss_uint32 maj_stat, min_stat;
gss_buffer_desc input_token = GSS_C_EMPTY_BUFFER;
@@ -897,11 +905,15 @@
hexa = ssh_get_hexa(output_token.value, output_token.length);
SSH_LOG(SSH_LOG_PACKET, "GSSAPI: sending token %s", hexa);
SAFE_FREE(hexa);
- ssh_buffer_pack(session->out_buffer,
- "bdP",
- SSH2_MSG_USERAUTH_GSSAPI_TOKEN,
- output_token.length,
- (size_t)output_token.length, output_token.value);
+ rc = ssh_buffer_pack(session->out_buffer,
+ "bdP",
+ SSH2_MSG_USERAUTH_GSSAPI_TOKEN,
+ output_token.length,
+ (size_t)output_token.length, output_token.value);
+ if (rc != SSH_OK) {
+ ssh_set_error_oom(session);
+ goto error;
+ }
ssh_packet_send(session);
session->auth.state = SSH_AUTH_STATE_GSSAPI_TOKEN;
}
@@ -963,6 +975,7 @@
}
SSH_PACKET_CALLBACK(ssh_packet_userauth_gssapi_token_client){
+ int rc;
ssh_string token;
char *hexa;
OM_uint32 maj_stat, min_stat;
@@ -1015,11 +1028,15 @@
hexa = ssh_get_hexa(output_token.value, output_token.length);
SSH_LOG(SSH_LOG_PACKET, "GSSAPI: sending token %s",hexa);
SAFE_FREE(hexa);
- ssh_buffer_pack(session->out_buffer,
- "bdP",
- SSH2_MSG_USERAUTH_GSSAPI_TOKEN,
- output_token.length,
- (size_t)output_token.length, output_token.value);
+ rc = ssh_buffer_pack(session->out_buffer,
+ "bdP",
+ SSH2_MSG_USERAUTH_GSSAPI_TOKEN,
+ output_token.length,
+ (size_t)output_token.length, output_token.value);
+ if (rc != SSH_OK) {
+ ssh_set_error_oom(session);
+ goto error;
+ }
ssh_packet_send(session);
}
diff --color -ru ../libssh-0.9.6/src/options.c ./src/options.c
--- ../libssh-0.9.6/src/options.c 2021-08-26 14:27:42.000000000 +0200
+++ ./src/options.c 2023-05-03 11:58:22.000201044 +0200
@@ -547,7 +547,9 @@
}
i = strtol(q, &p, 10);
if (q == p) {
+ SSH_LOG(SSH_LOG_DEBUG, "No port number was parsed");
SAFE_FREE(q);
+ return -1;
}
SAFE_FREE(q);
if (i <= 0) {
@@ -743,7 +745,9 @@
}
i = strtol(q, &p, 10);
if (q == p) {
+ SSH_LOG(SSH_LOG_DEBUG, "No log verbositiy was parsed");
SAFE_FREE(q);
+ return -1;
}
SAFE_FREE(q);
if (i < 0) {
@@ -1818,7 +1822,9 @@
}
i = strtol(q, &p, 10);
if (q == p) {
- SAFE_FREE(q);
+ SSH_LOG(SSH_LOG_DEBUG, "No bind port was parsed");
+ SAFE_FREE(q);
+ return -1;
}
SAFE_FREE(q);
@@ -1845,7 +1851,9 @@
}
i = strtol(q, &p, 10);
if (q == p) {
- SAFE_FREE(q);
+ SSH_LOG(SSH_LOG_DEBUG, "No log verbositiy was parsed");
+ SAFE_FREE(q);
+ return -1;
}
SAFE_FREE(q);
diff --color -ru ../libssh-0.9.6/src/pki_container_openssh.c ./src/pki_container_openssh.c
--- ../libssh-0.9.6/src/pki_container_openssh.c 2023-05-03 11:53:48.713217785 +0200
+++ ./src/pki_container_openssh.c 2023-05-03 11:58:21.976200782 +0200
@@ -630,7 +630,11 @@
goto error;
}
- ssh_buffer_pack(kdf_buf, "Sd", salt, rounds);
+ rc = ssh_buffer_pack(kdf_buf, "Sd", salt, rounds);
+ if (rc != SSH_OK) {
+ SSH_BUFFER_FREE(kdf_buf);
+ goto error;
+ }
kdf_options = ssh_string_new(ssh_buffer_get_len(kdf_buf));
if (kdf_options == NULL){
SSH_BUFFER_FREE(kdf_buf);
diff --color -ru ../libssh-0.9.6/tests/unittests/torture_options.c ./tests/unittests/torture_options.c
--- ../libssh-0.9.6/tests/unittests/torture_options.c 2021-08-26 14:27:42.000000000 +0200
+++ ./tests/unittests/torture_options.c 2023-05-03 11:59:21.726853027 +0200
@@ -311,6 +311,7 @@
rc = ssh_options_set(session, SSH_OPTIONS_PORT_STR, "five");
assert_true(rc == -1);
+ assert_int_not_equal(session->opts.port, 0);
rc = ssh_options_set(session, SSH_OPTIONS_PORT, NULL);
assert_true(rc == -1);
@@ -853,6 +854,26 @@
ssh_free(new);
}
+static void torture_options_set_verbosity (void **state)
+{
+ ssh_session session = *state;
+ int rc, new_level;
+
+ rc = ssh_options_set(session,
+ SSH_OPTIONS_LOG_VERBOSITY_STR,
+ "3");
+ assert_int_equal(rc, SSH_OK);
+ new_level = ssh_get_log_level();
+ assert_int_equal(new_level, SSH_LOG_PACKET);
+
+ rc = ssh_options_set(session,
+ SSH_OPTIONS_LOG_VERBOSITY_STR,
+ "datsun");
+ assert_int_equal(rc, -1);
+ new_level = ssh_get_log_level();
+ assert_int_not_equal(new_level, 0);
+}
+
#ifdef WITH_SERVER
const char template[] = "temp_dir_XXXXXX";
@@ -1107,6 +1128,10 @@
rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_BINDPORT_STR, "23");
assert_int_equal(rc, 0);
assert_int_equal(bind->bindport, 23);
+
+ rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_BINDPORT_STR, "twentythree");
+ assert_int_equal(rc, -1);
+ assert_int_not_equal(bind->bindport, 0);
}
static void torture_bind_options_log_verbosity(void **state)
@@ -1156,6 +1181,11 @@
new_level = ssh_get_log_level();
assert_int_equal(new_level, SSH_LOG_PACKET);
+ rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_LOG_VERBOSITY_STR, "verbosity");
+ assert_int_equal(rc, -1);
+ new_level = ssh_get_log_level();
+ assert_int_not_equal(new_level, 0);
+
rc = ssh_set_log_level(previous_level);
assert_int_equal(rc, SSH_OK);
}
@@ -1643,6 +1673,7 @@
cmocka_unit_test_setup_teardown(torture_options_config_host, setup, teardown),
cmocka_unit_test_setup_teardown(torture_options_config_match,
setup, teardown),
+ cmocka_unit_test_setup_teardown(torture_options_set_verbosity, setup, teardown),
};
#ifdef WITH_SERVER

668
SOURCES/fix_tests.patch Normal file
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@ -0,0 +1,668 @@
diff --color -ru ../libssh-0.9.6/examples/sshnetcat.c ./examples/sshnetcat.c
--- ../libssh-0.9.6/examples/sshnetcat.c 2021-08-26 14:27:42.000000000 +0200
+++ ./examples/sshnetcat.c 2023-05-02 10:36:00.793381735 +0200
@@ -233,9 +233,10 @@
}
void cleanup_pcap(void);
-void cleanup_pcap(){
+void cleanup_pcap(void)
+{
ssh_pcap_file_free(pcap);
- pcap=NULL;
+ pcap = NULL;
}
#endif
diff --color -ru ../libssh-0.9.6/src/init.c ./src/init.c
--- ../libssh-0.9.6/src/init.c 2021-03-15 08:11:33.000000000 +0100
+++ ./src/init.c 2023-05-02 10:36:00.793381735 +0200
@@ -269,7 +269,7 @@
*
* @see ssh_init()
*/
-bool is_ssh_initialized() {
+bool is_ssh_initialized(void) {
bool is_initialized = false;
diff --color -ru ../libssh-0.9.6/tests/client/torture_auth.c ./tests/client/torture_auth.c
--- ../libssh-0.9.6/tests/client/torture_auth.c 2021-08-26 14:27:42.000000000 +0200
+++ ./tests/client/torture_auth.c 2023-05-02 10:36:00.815381960 +0200
@@ -200,7 +200,8 @@
assert_non_null(ssh_agent_pidfile);
/* kill agent pid */
- torture_terminate_process(ssh_agent_pidfile);
+ rc = torture_terminate_process(ssh_agent_pidfile);
+ assert_return_code(rc, errno);
unlink(ssh_agent_pidfile);
@@ -551,6 +552,7 @@
static void torture_auth_agent_cert(void **state)
{
+#if OPENSSH_VERSION_MAJOR < 8 || (OPENSSH_VERSION_MAJOR == 8 && OPENSSH_VERSION_MINOR == 0)
struct torture_state *s = *state;
ssh_session session = s->ssh.session;
int rc;
@@ -570,6 +572,7 @@
"ssh-rsa-cert-v01@openssh.com");
assert_int_equal(rc, SSH_OK);
}
+#endif /* OPENSSH_VERSION_MAJOR < 8.1 */
/* Setup loads a different key, tests are exactly the same. */
torture_auth_agent(state);
@@ -577,6 +580,7 @@
static void torture_auth_agent_cert_nonblocking(void **state)
{
+#if OPENSSH_VERSION_MAJOR < 8 || (OPENSSH_VERSION_MAJOR == 8 && OPENSSH_VERSION_MINOR == 0)
struct torture_state *s = *state;
ssh_session session = s->ssh.session;
int rc;
@@ -596,6 +600,7 @@
"ssh-rsa-cert-v01@openssh.com");
assert_int_equal(rc, SSH_OK);
}
+#endif /* OPENSSH_VERSION_MAJOR < 8.1 */
torture_auth_agent_nonblocking(state);
}
diff --color -ru ../libssh-0.9.6/tests/client/torture_rekey.c ./tests/client/torture_rekey.c
--- ../libssh-0.9.6/tests/client/torture_rekey.c 2023-04-28 17:26:41.472315318 +0200
+++ ./tests/client/torture_rekey.c 2023-05-02 10:36:00.805381857 +0200
@@ -38,6 +38,8 @@
#include <fcntl.h>
#include <pwd.h>
+#define KEX_RETRY 32
+
static uint64_t bytes = 2048; /* 2KB (more than the authentication phase) */
static int sshd_setup(void **state)
@@ -190,10 +192,11 @@
rc = ssh_userauth_publickey_auto(s->ssh.session, NULL, NULL);
assert_int_equal(rc, SSH_AUTH_SUCCESS);
- /* send ignore packets of up to 1KB to trigger rekey */
+ /* send ignore packets of up to 1KB to trigger rekey. Send little bit more
+ * to make sure it completes with all different ciphers */
memset(data, 0, sizeof(data));
memset(data, 'A', 128);
- for (i = 0; i < 16; i++) {
+ for (i = 0; i < KEX_RETRY; i++) {
ssh_send_ignore(s->ssh.session, data);
ssh_handle_packets(s->ssh.session, 50);
}
@@ -496,9 +499,15 @@
* to make sure the rekey it completes with all different ciphers (paddings */
memset(data, 0, sizeof(data));
memset(data, 'A', 128);
- for (i = 0; i < 20; i++) {
+ for (i = 0; i < KEX_RETRY; i++) {
ssh_send_ignore(s->ssh.session, data);
- ssh_handle_packets(s->ssh.session, 50);
+ ssh_handle_packets(s->ssh.session, 100);
+
+ c = s->ssh.session->current_crypto;
+ /* SHA256 len */
+ if (c->digest_len != 32) {
+ break;
+ }
}
/* The rekey limit was restored in the new crypto to the same value */
@@ -568,9 +577,15 @@
* to make sure the rekey it completes with all different ciphers (paddings */
memset(data, 0, sizeof(data));
memset(data, 'A', 128);
- for (i = 0; i < 25; i++) {
+ for (i = 0; i < KEX_RETRY; i++) {
ssh_send_ignore(s->ssh.session, data);
- ssh_handle_packets(s->ssh.session, 50);
+ ssh_handle_packets(s->ssh.session, 100);
+
+ c = s->ssh.session->current_crypto;
+ /* SHA256 len */
+ if (c->digest_len != 32) {
+ break;
+ }
}
/* Check that the secret hash is different than initially */
diff --color -ru ../libssh-0.9.6/tests/CMakeLists.txt ./tests/CMakeLists.txt
--- ../libssh-0.9.6/tests/CMakeLists.txt 2021-08-26 14:27:42.000000000 +0200
+++ ./tests/CMakeLists.txt 2023-05-02 10:32:03.964511860 +0200
@@ -153,6 +153,17 @@
execute_process(COMMAND ${ID_EXECUTABLE} -u OUTPUT_VARIABLE LOCAL_UID OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
+ find_program(TIMEOUT_EXECUTABLE
+ NAME
+ timeout
+ PATHS
+ /bin
+ /usr/bin
+ /usr/local/bin)
+ if (TIMEOUT_EXECUTABLE)
+ set(WITH_TIMEOUT "1")
+ endif()
+
# chroot_wrapper
add_library(chroot_wrapper SHARED chroot_wrapper.c)
set(CHROOT_WRAPPER_LIBRARY ${libssh_BINARY_DIR}/lib/${CMAKE_SHARED_LIBRARY_PREFIX}chroot_wrapper${CMAKE_SHARED_LIBRARY_SUFFIX})
diff --color -ru ../libssh-0.9.6/tests/pkd/pkd_keyutil.c ./tests/pkd/pkd_keyutil.c
--- ../libssh-0.9.6/tests/pkd/pkd_keyutil.c 2021-03-15 08:11:33.000000000 +0100
+++ ./tests/pkd/pkd_keyutil.c 2023-05-02 10:36:00.793381735 +0200
@@ -22,7 +22,7 @@
#include "pkd_keyutil.h"
#include "pkd_util.h"
-void setup_rsa_key() {
+void setup_rsa_key(void) {
int rc = 0;
if (access(LIBSSH_RSA_TESTKEY, F_OK) != 0) {
rc = system_checked(OPENSSH_KEYGEN " -t rsa -q -N \"\" -f "
@@ -31,7 +31,7 @@
assert_int_equal(rc, 0);
}
-void setup_ed25519_key() {
+void setup_ed25519_key(void) {
int rc = 0;
if (access(LIBSSH_ED25519_TESTKEY, F_OK) != 0) {
rc = system_checked(OPENSSH_KEYGEN " -t ed25519 -q -N \"\" -f "
@@ -41,7 +41,7 @@
}
#ifdef HAVE_DSA
-void setup_dsa_key() {
+void setup_dsa_key(void) {
int rc = 0;
if (access(LIBSSH_DSA_TESTKEY, F_OK) != 0) {
rc = system_checked(OPENSSH_KEYGEN " -t dsa -q -N \"\" -f "
@@ -51,7 +51,7 @@
}
#endif
-void setup_ecdsa_keys() {
+void setup_ecdsa_keys(void) {
int rc = 0;
if (access(LIBSSH_ECDSA_256_TESTKEY, F_OK) != 0) {
@@ -71,27 +71,27 @@
}
}
-void cleanup_rsa_key() {
+void cleanup_rsa_key(void) {
cleanup_key(LIBSSH_RSA_TESTKEY);
}
-void cleanup_ed25519_key() {
+void cleanup_ed25519_key(void) {
cleanup_key(LIBSSH_ED25519_TESTKEY);
}
#ifdef HAVE_DSA
-void cleanup_dsa_key() {
+void cleanup_dsa_key(void) {
cleanup_key(LIBSSH_DSA_TESTKEY);
}
#endif
-void cleanup_ecdsa_keys() {
+void cleanup_ecdsa_keys(void) {
cleanup_key(LIBSSH_ECDSA_256_TESTKEY);
cleanup_key(LIBSSH_ECDSA_384_TESTKEY);
cleanup_key(LIBSSH_ECDSA_521_TESTKEY);
}
-void setup_openssh_client_keys() {
+void setup_openssh_client_keys(void) {
int rc = 0;
if (access(OPENSSH_CA_TESTKEY, F_OK) != 0) {
@@ -184,7 +184,7 @@
}
}
-void cleanup_openssh_client_keys() {
+void cleanup_openssh_client_keys(void) {
cleanup_key(OPENSSH_CA_TESTKEY);
cleanup_key(OPENSSH_RSA_TESTKEY);
cleanup_file(OPENSSH_RSA_TESTKEY "-sha256-cert.pub");
@@ -199,7 +199,7 @@
}
}
-void setup_dropbear_client_rsa_key() {
+void setup_dropbear_client_rsa_key(void) {
int rc = 0;
if (access(DROPBEAR_RSA_TESTKEY, F_OK) != 0) {
rc = system_checked(DROPBEAR_KEYGEN " -t rsa -f "
@@ -208,6 +208,6 @@
assert_int_equal(rc, 0);
}
-void cleanup_dropbear_client_rsa_key() {
+void cleanup_dropbear_client_rsa_key(void) {
unlink(DROPBEAR_RSA_TESTKEY);
}
diff --color -ru ../libssh-0.9.6/tests/server/torture_server_config.c ./tests/server/torture_server_config.c
--- ../libssh-0.9.6/tests/server/torture_server_config.c 2021-08-26 14:27:42.000000000 +0200
+++ ./tests/server/torture_server_config.c 2023-05-02 10:36:00.815381960 +0200
@@ -285,9 +285,7 @@
assert_non_null(s);
rc = torture_terminate_process(s->srv_pidfile);
- if (rc != 0) {
- fprintf(stderr, "XXXXXX Failed to terminate sshd\n");
- }
+ assert_return_code(rc, errno);
unlink(s->srv_pidfile);
@@ -513,6 +511,12 @@
/* Try each algorithm individually */
j = 0;
while(tokens->tokens[j] != NULL) {
+ char *cmp = strstr(OPENSSH_CIPHERS, tokens->tokens[j]);
+ if (cmp == NULL) {
+ /* This cipher is not supported by the OpenSSH. Skip it */
+ j++;
+ continue;
+ }
snprintf(config_content,
sizeof(config_content),
"HostKey %s\nCiphers %s\n",
diff --color -ru ../libssh-0.9.6/tests/tests_config.h.cmake ./tests/tests_config.h.cmake
--- ../libssh-0.9.6/tests/tests_config.h.cmake 2021-08-26 14:27:42.000000000 +0200
+++ ./tests/tests_config.h.cmake 2023-05-02 10:32:03.964511860 +0200
@@ -66,4 +66,6 @@
#cmakedefine NC_EXECUTABLE "${NC_EXECUTABLE}"
#cmakedefine SSHD_EXECUTABLE "${SSHD_EXECUTABLE}"
-#cmakedefine SSH_EXECUTABLE "${SSH_EXECUTABLE}"
\ No newline at end of file
+#cmakedefine SSH_EXECUTABLE "${SSH_EXECUTABLE}"
+#cmakedefine WITH_TIMEOUT ${WITH_TIMEOUT}
+#cmakedefine TIMEOUT_EXECUTABLE "${TIMEOUT_EXECUTABLE}"
diff --color -ru ../libssh-0.9.6/tests/torture.c ./tests/torture.c
--- ../libssh-0.9.6/tests/torture.c 2021-08-26 14:27:44.000000000 +0200
+++ ./tests/torture.c 2023-05-02 10:36:00.815381960 +0200
@@ -51,6 +51,7 @@
#include "torture.h"
#include "torture_key.h"
#include "libssh/misc.h"
+#include "libssh/token.h"
#define TORTURE_SSHD_SRV_IPV4 "127.0.0.10"
/* socket wrapper IPv6 prefix fd00::5357:5fxx */
@@ -250,8 +251,12 @@
rc = kill(pid, 0);
if (rc != 0) {
- is_running = 0;
- break;
+ /* Process not found */
+ if (errno == ESRCH) {
+ is_running = 0;
+ rc = 0;
+ break;
+ }
}
}
@@ -260,7 +265,7 @@
"WARNING: The process with pid %u is still running!\n", pid);
}
- return 0;
+ return rc;
}
ssh_session torture_ssh_session(struct torture_state *s,
@@ -611,6 +616,112 @@
*state = s;
}
+/**
+ * @brief Create a libssh server configuration file
+ *
+ * It is expected the socket directory to be already created before by calling
+ * torture_setup_socket_dir(). The created configuration file will be stored in
+ * the socket directory and the srv_config pointer in the state will be
+ * initialized.
+ *
+ * @param[in] state A pointer to a pointer to an initialized torture_state
+ * structure
+ */
+void torture_setup_create_libssh_config(void **state)
+{
+ struct torture_state *s = *state;
+ char ed25519_hostkey[1024] = {0};
+#ifdef HAVE_DSA
+ char dsa_hostkey[1024];
+#endif /* HAVE_DSA */
+ char rsa_hostkey[1024];
+ char ecdsa_hostkey[1024];
+ char sshd_config[2048];
+ char sshd_path[1024];
+ const char *additional_config = NULL;
+ struct stat sb;
+ const char config_string[]=
+ "LogLevel DEBUG3\n"
+ "Port 22\n"
+ "ListenAddress 127.0.0.10\n"
+ "%s %s\n"
+ "%s %s\n"
+ "%s %s\n"
+#ifdef HAVE_DSA
+ "%s %s\n"
+#endif /* HAVE_DSA */
+ "%s\n"; /* The space for test-specific options */
+ bool written = false;
+ int rc;
+
+ assert_non_null(s->socket_dir);
+
+ snprintf(sshd_path,
+ sizeof(sshd_path),
+ "%s/sshd",
+ s->socket_dir);
+
+ rc = lstat(sshd_path, &sb);
+ if (rc == 0 ) { /* The directory is already in place */
+ written = true;
+ }
+
+ if (!written) {
+ rc = mkdir(sshd_path, 0755);
+ assert_return_code(rc, errno);
+ }
+
+ snprintf(ed25519_hostkey,
+ sizeof(ed25519_hostkey),
+ "%s/sshd/ssh_host_ed25519_key",
+ s->socket_dir);
+
+ snprintf(rsa_hostkey,
+ sizeof(rsa_hostkey),
+ "%s/sshd/ssh_host_rsa_key",
+ s->socket_dir);
+
+ snprintf(ecdsa_hostkey,
+ sizeof(ecdsa_hostkey),
+ "%s/sshd/ssh_host_ecdsa_key",
+ s->socket_dir);
+
+#ifdef HAVE_DSA
+ snprintf(dsa_hostkey,
+ sizeof(dsa_hostkey),
+ "%s/sshd/ssh_host_dsa_key",
+ s->socket_dir);
+#endif /* HAVE_DSA */
+
+ if (!written) {
+ torture_write_file(ed25519_hostkey,
+ torture_get_openssh_testkey(SSH_KEYTYPE_ED25519, 0));
+ torture_write_file(rsa_hostkey,
+ torture_get_testkey(SSH_KEYTYPE_RSA, 0));
+ torture_write_file(ecdsa_hostkey,
+ torture_get_testkey(SSH_KEYTYPE_ECDSA_P521, 0));
+#ifdef HAVE_DSA
+ torture_write_file(dsa_hostkey,
+ torture_get_testkey(SSH_KEYTYPE_DSS, 0));
+#endif /* HAVE_DSA */
+ }
+
+ additional_config = (s->srv_additional_config != NULL ?
+ s->srv_additional_config : "");
+
+ snprintf(sshd_config, sizeof(sshd_config),
+ config_string,
+ "HostKey", ed25519_hostkey,
+ "HostKey", rsa_hostkey,
+ "HostKey", ecdsa_hostkey,
+#ifdef HAVE_DSA
+ "HostKey", dsa_hostkey,
+#endif /* HAVE_DSA */
+ additional_config);
+
+ torture_write_file(s->srv_config, sshd_config);
+}
+
static void torture_setup_create_sshd_config(void **state, bool pam)
{
struct torture_state *s = *state;
@@ -856,21 +967,140 @@
return 1;
}
-void torture_setup_sshd_server(void **state, bool pam)
+/**
+ * @brief Run a libssh based server under timeout.
+ *
+ * It is expected that the socket directory and libssh configuration file were
+ * already created before by calling torture_setup_socket_dir() and
+ * torture_setup_create_libssh_config() (or alternatively setup the state with
+ * the correct values).
+ *
+ * @param[in] state The content of the address pointed by this variable must be
+ * a pointer to an initialized instance of torture_state
+ * structure; it can be obtained by calling
+ * torture_setup_socket_dir() and
+ * torture_setup_create_libssh_config().
+ * @param[in] server_path The path to the server executable.
+ *
+ * @note This function will use the state->srv_additional_config field as
+ * additional command line option used when starting the server instead of extra
+ * configuration file options.
+ * */
+void torture_setup_libssh_server(void **state, const char *server_path)
{
struct torture_state *s;
- char sshd_start_cmd[1024];
+ char start_cmd[1024];
+ char timeout_cmd[512];
+ char env[1024];
+ char extra_options[1024];
int rc;
+ char *ld_preload = NULL;
+ const char *force_fips = NULL;
- torture_setup_socket_dir(state);
- torture_setup_create_sshd_config(state, pam);
+ struct ssh_tokens_st *env_tokens;
+ struct ssh_tokens_st *arg_tokens;
+
+ pid_t pid;
+ ssize_t printed;
+
+ s = *state;
+
+ /* Get all the wrapper libraries to be pre-loaded */
+ ld_preload = getenv("LD_PRELOAD");
+
+ if (s->srv_additional_config != NULL) {
+ printed = snprintf(extra_options, sizeof(extra_options), " %s ",
+ s->srv_additional_config);
+ if (printed < 0) {
+ fail_msg("Failed to print additional config!");
+ }
+ } else {
+ printed = snprintf(extra_options, sizeof(extra_options), " ");
+ if (printed < 0) {
+ fail_msg("Failed to print empty additional config!");
+ }
+ }
+
+ if (ssh_fips_mode()) {
+ force_fips = "OPENSSL_FORCE_FIPS_MODE=1 ";
+ } else {
+ force_fips = "";
+ }
+
+ /* Write the environment setting */
+ printed = snprintf(env, sizeof(env),
+ "SOCKET_WRAPPER_DIR=%s "
+ "SOCKET_WRAPPER_DEFAULT_IFACE=10 "
+ "LD_PRELOAD=%s "
+ "%s",
+ s->socket_dir, ld_preload, force_fips);
+ if (printed < 0) {
+ fail_msg("Failed to print env!");
+ }
+
+#ifdef WITH_TIMEOUT
+ snprintf(timeout_cmd, sizeof(timeout_cmd),
+ "%s %s ", TIMEOUT_EXECUTABLE, "5m");
+#else
+ timeout_cmd[0] = '\0';
+#endif
+
+ /* Write the start command */
+ printed = snprintf(start_cmd, sizeof(start_cmd),
+ "%s"
+ "%s -f%s -v4 -p22 -i%s -C%s%s%s",
+ timeout_cmd,
+ server_path, s->pcap_file, s->srv_pidfile,
+ s->srv_config, extra_options, TORTURE_SSH_SERVER);
+ if (printed < 0) {
+ fail_msg("Failed to print start command!");
+ }
+
+ pid = fork();
+ switch(pid) {
+ case 0:
+ env_tokens = ssh_tokenize(env, ' ');
+ if (env_tokens == NULL || env_tokens->tokens == NULL) {
+ fail_msg("Failed to tokenize env!");
+ }
+
+ arg_tokens = ssh_tokenize(start_cmd, ' ');
+ if (arg_tokens == NULL || arg_tokens->tokens == NULL) {
+ ssh_tokens_free(env_tokens);
+ fail_msg("Failed to tokenize args!");
+ }
+
+ rc = execve(arg_tokens->tokens[0], (char **)arg_tokens->tokens,
+ (char **)env_tokens->tokens);
+
+ /* execve returns only in case of error */
+ ssh_tokens_free(env_tokens);
+ ssh_tokens_free(arg_tokens);
+ fail_msg("Error in execve: %s", strerror(errno));
+ case -1:
+ fail_msg("Failed to fork!");
+ default:
+ /* The parent continues the execution of the tests */
+ setenv("SOCKET_WRAPPER_DEFAULT_IFACE", "21", 1);
+ unsetenv("PAM_WRAPPER");
+
+ /* Wait until the server is ready to accept connections */
+ rc = torture_wait_for_daemon(15);
+ assert_int_equal(rc, 0);
+ break;
+ }
+}
+
+static int torture_start_sshd_server(void **state)
+{
+ struct torture_state *s = *state;
+ char sshd_start_cmd[1024];
+ int rc;
/* Set the default interface for the server */
setenv("SOCKET_WRAPPER_DEFAULT_IFACE", "10", 1);
setenv("PAM_WRAPPER", "1", 1);
- s = *state;
-
snprintf(sshd_start_cmd, sizeof(sshd_start_cmd),
SSHD_EXECUTABLE " -r -f %s -E %s/sshd/daemon.log 2> %s/sshd/cwrap.log",
s->srv_config, s->socket_dir, s->socket_dir);
@@ -882,7 +1112,20 @@
unsetenv("PAM_WRAPPER");
/* Wait until the sshd is ready to accept connections */
- rc = torture_wait_for_daemon(5);
+ rc = torture_wait_for_daemon(15);
+ assert_int_equal(rc, 0);
+
+ return SSH_OK;
+}
+
+void torture_setup_sshd_server(void **state, bool pam)
+{
+ int rc;
+
+ torture_setup_socket_dir(state);
+ torture_setup_create_sshd_config(state, pam);
+
+ rc = torture_start_sshd_server(state);
assert_int_equal(rc, 0);
}
@@ -922,29 +1165,12 @@
torture_reload_sshd_server(void **state)
{
struct torture_state *s = *state;
- pid_t pid;
int rc;
- /* read the pidfile */
- pid = torture_read_pidfile(s->srv_pidfile);
- assert_int_not_equal(pid, -1);
-
- kill(pid, SIGHUP);
-
- /* 10 ms */
- usleep(10 * 1000);
-
- rc = kill(pid, 0);
- if (rc != 0) {
- fprintf(stderr,
- "ERROR: SSHD process %u died during reload!\n", pid);
- return SSH_ERROR;
- }
+ rc = torture_terminate_process(s->srv_pidfile);
+ assert_return_code(rc, errno);
- /* Wait until the sshd is ready to accept connections */
- rc = torture_wait_for_daemon(5);
- assert_int_equal(rc, 0);
- return SSH_OK;
+ return torture_start_sshd_server(state);
}
/* @brief: Updates SSHD server configuration with more options and
@@ -980,9 +1206,7 @@
int rc;
rc = torture_terminate_process(s->srv_pidfile);
- if (rc != 0) {
- fprintf(stderr, "XXXXXX Failed to terminate sshd\n");
- }
+ assert_return_code(rc, errno);
torture_teardown_socket_dir(state);
}
diff --color -ru ../libssh-0.9.6/tests/torture.h ./tests/torture.h
--- ../libssh-0.9.6/tests/torture.h 2021-08-26 14:27:44.000000000 +0200
+++ ./tests/torture.h 2023-05-02 10:32:03.964511860 +0200
@@ -132,6 +132,10 @@
void torture_reset_config(ssh_session session);
+void torture_setup_create_libssh_config(void **state);
+
+void torture_setup_libssh_server(void **state, const char *server_path);
+
/*
* This function must be defined in every unit test file.
*/

1845
SOURCES/null_dereference_rekey.patch Normal file
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File diff suppressed because it is too large Load Diff

25
SPECS/libssh.spec
View File

@ -1,6 +1,6 @@
Name: libssh
Version: 0.9.6
Release: 6%{?dist}
Release: 10%{?dist}
Summary: A library implementing the SSH protocol
License: LGPLv2+
URL: http://www.libssh.org
@ -13,6 +13,10 @@ Source4: libssh_server.config
Patch0: loglevel.patch
Patch1: s390x_fix.patch
Patch2: null_dereference_rekey.patch
Patch3: auth_bypass.patch
Patch4: fix_tests.patch
Patch5: covscan23.patch
BuildRequires: cmake
BuildRequires: doxygen
@ -141,6 +145,25 @@ popd
%attr(0644,root,root) %config(noreplace) %{_sysconfdir}/libssh/libssh_server.config
%changelog
* Mon May 15 2023 Norbert Pocs <npocs@redhat.com> - 0.9.6-10
- Fix loglevel regression
- Related: rhbz#2189968, rhbz#2189741
* Wed May 03 2023 Norbert Pocs <npocs@redhat.com> - 0.9.6-9
- Fix covscan issue found at gating
- Related: rhbz#2189968, rhbz#2189741
* Tue May 02 2023 Norbert Pocs <npocs@redhat.com> - 0.9.6-8
- Backport test fixing commits to make the build pass
- Relates: rhbz#2189968, rhbz#2189741
* Tue Apr 25 2023 Norbert Pocs <npocs@redhat.com> - 0.9.6-7
- Fix NULL dereference during rekeying with algorithm guessing
GHSL-2023-032 / CVE-2023-1667
- Fix possible authentication bypass
GHSL 2023-085 / CVE-2023-2283
- Resolves: rhbz#2189968, rhbz#2189741
* Fri Jan 06 2023 Norbert Pocs <npocs@redhat.com> - 0.9.6-6
- Enable client and server testing build time
- Fix failing rekey test on arch s390x