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libssh/SOURCES/covscan23.patch

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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
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