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archived-pecl-networking-ssh2/ssh2.c
Casper Langemeijer 37bdf77458 Revert "Make sure we are allowed to call the given callable" 
IS_CALLABLE_CHECK_NO_ACCESS is Removed from PHP 8.0.

This reverts commit a73cba756c.
2021-03-01 21:14:53 +01:00

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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2016 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Sara Golemon <pollita@php.net> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "ext/standard/info.h"
#include "ext/standard/file.h"
#include "php_ssh2.h"
#include "main/php_network.h"
#if (OPENSSL_VERSION_NUMBER >= 0x00908000L)
#include <openssl/applink.c>
#endif
/* Internal Constants */
#ifndef SHA_DIGEST_LENGTH
#define SHA_DIGEST_LENGTH 20
#endif
#ifndef MD5_DIGEST_LENGTH
#define MD5_DIGEST_LENGTH 16
#endif
/* True global resources - no need for thread safety here */
int le_ssh2_session;
int le_ssh2_listener;
int le_ssh2_sftp;
int le_ssh2_pkey_subsys;
/* *************
* Callbacks *
************* */
/* {{{ php_ssh2_alloc_cb
* Wrap emalloc()
*/
static LIBSSH2_ALLOC_FUNC(php_ssh2_alloc_cb)
{
return emalloc(count);
}
/* }}} */
/* {{{ php_ssh2_free_cb
* Wrap efree()
*/
static LIBSSH2_FREE_FUNC(php_ssh2_free_cb)
{
efree(ptr);
}
/* }}} */
/* {{{ php_ssh2_realloc_cb
* Wrap erealloc()
*/
static LIBSSH2_REALLOC_FUNC(php_ssh2_realloc_cb)
{
return erealloc(ptr, count);
}
/* }}} */
/* {{{ php_ssh2_debug_cb
* Debug packets
*/
LIBSSH2_DEBUG_FUNC(php_ssh2_debug_cb)
{
php_ssh2_session_data *data;
zval args[3];
if (!abstract || !*abstract) {
return;
}
data = (php_ssh2_session_data*)*abstract;
if (!data->debug_cb) {
return;
}
ZVAL_STRINGL(&args[0], message, message_len);
ZVAL_STRINGL(&args[1], language, language_len);
ZVAL_LONG(&args[2], always_display);
zval retval;
if (FAILURE == call_user_function(NULL, NULL, data->debug_cb, &retval, 3, args)) {
php_error_docref(NULL, E_WARNING, "Failure calling debug callback");
}
if (!Z_ISUNDEF(retval)) {
zval_ptr_dtor(&retval);
}
}
/* }}} */
/* {{{ php_ssh2_ignore_cb
* Ignore packets
*/
LIBSSH2_IGNORE_FUNC(php_ssh2_ignore_cb)
{
php_ssh2_session_data *data;
zval zretval;
zval args[1];
if (!abstract || !*abstract) {
return;
}
data = (php_ssh2_session_data*)*abstract;
if (!data->ignore_cb) {
return;
}
ZVAL_STRINGL(&args[0], message, message_len);
if (FAILURE == call_user_function(NULL, NULL, data->ignore_cb, &zretval, 1, args)) {
php_error_docref(NULL, E_WARNING, "Failure calling ignore callback");
}
if (Z_TYPE_P(&zretval) != IS_UNDEF) {
zval_ptr_dtor(&zretval);
}
}
/* }}} */
/* {{{ php_ssh2_macerror_cb
* Called when a MAC error occurs, offers the chance to ignore
* WHY ARE YOU IGNORING MAC ERRORS??????
*/
LIBSSH2_MACERROR_FUNC(php_ssh2_macerror_cb)
{
php_ssh2_session_data *data;
zval zretval;
zval args[1];
int retval = -1;
if (!abstract || !*abstract) {
return -1;
}
data = (php_ssh2_session_data*)*abstract;
if (!data->macerror_cb) {
return -1;
}
ZVAL_STRINGL(&args[0], packet, packet_len);
if (FAILURE == call_user_function(NULL, NULL, data->macerror_cb, &zretval, 1, args)) {
php_error_docref(NULL, E_WARNING, "Failure calling macerror callback");
} else {
retval = zval_is_true(&zretval) ? 0 : -1;
}
if (Z_TYPE_P(&zretval) != IS_UNDEF) {
zval_ptr_dtor(&zretval);
}
return retval;
}
/* }}} */
/* {{{ php_ssh2_disconnect_cb
* Connection closed by foreign host
*/
LIBSSH2_DISCONNECT_FUNC(php_ssh2_disconnect_cb)
{
php_ssh2_session_data *data;
zval args[3];
if (!abstract || !*abstract) {
return;
}
data = (php_ssh2_session_data*)*abstract;
if (!data->disconnect_cb) {
return;
}
ZVAL_LONG(&args[0], reason);
ZVAL_STRINGL(&args[1], message, message_len);
ZVAL_STRINGL(&args[2], language, language_len);
zval retval;
if (FAILURE == call_user_function(NULL, NULL, data->disconnect_cb, &retval, 3, args)) {
php_error_docref(NULL, E_WARNING, "Failure calling disconnect callback");
}
if (!Z_ISUNDEF(retval)) {
zval_ptr_dtor(&retval);
}
}
/* }}} */
/* *****************
* Userspace API *
***************** */
/* {{{ php_ssh2_set_callback
* Try to set a method if it's passed in with the hash table
*/
static int php_ssh2_set_callback(LIBSSH2_SESSION *session, HashTable *ht, char *callback, int callback_len, int callback_type, php_ssh2_session_data *data)
{
zval *handler, *copyval;
void *internal_handler;
zend_string *callback_zstring;
callback_zstring = zend_string_init(callback, callback_len, 0);
if ((handler = zend_hash_find(ht, callback_zstring)) == NULL) {
zend_string_release(callback_zstring);
return 0;
}
zend_string_release(callback_zstring);
if (!zend_is_callable(handler, 0, NULL)) {
return -1;
}
copyval = emalloc(sizeof(zval));
ZVAL_COPY(copyval, handler);
switch (callback_type) {
case LIBSSH2_CALLBACK_IGNORE:
internal_handler = php_ssh2_ignore_cb;
if (data->ignore_cb) {
zval_ptr_dtor(data->ignore_cb);
}
data->ignore_cb = copyval;
break;
case LIBSSH2_CALLBACK_DEBUG:
internal_handler = php_ssh2_debug_cb;
if (data->debug_cb) {
zval_ptr_dtor(data->debug_cb);
}
data->debug_cb = copyval;
break;
case LIBSSH2_CALLBACK_MACERROR:
internal_handler = php_ssh2_macerror_cb;
if (data->macerror_cb) {
zval_ptr_dtor(data->macerror_cb);
}
data->macerror_cb = copyval;
break;
case LIBSSH2_CALLBACK_DISCONNECT:
internal_handler = php_ssh2_disconnect_cb;
if (data->disconnect_cb) {
zval_ptr_dtor(data->disconnect_cb);
}
data->disconnect_cb = copyval;
break;
default:
zval_ptr_dtor(copyval);
return -1;
}
libssh2_session_callback_set(session, callback_type, internal_handler);
return 0;
}
/* }}} */
/* {{{ php_ssh2_set_method
* Try to set a method if it's passed in with the hash table
*/
static int php_ssh2_set_method(LIBSSH2_SESSION *session, HashTable *ht, char *method, int method_len, int method_type)
{
zval *value;
zend_string *method_zstring;
method_zstring = zend_string_init(method, method_len, 0);
if ((value = zend_hash_find(ht, method_zstring)) == NULL) {
zend_string_release(method_zstring);
return 0;
}
zend_string_release(method_zstring);
if ((Z_TYPE_P(value) != IS_STRING)) {
return -1;
}
return libssh2_session_method_pref(session, method_type, Z_STRVAL_P(value));
}
/* }}} */
/* {{{ php_ssh2_session_connect
* Connect to an SSH server with requested methods
*/
LIBSSH2_SESSION *php_ssh2_session_connect(char *host, int port, zval *methods, zval *callbacks)
{
LIBSSH2_SESSION *session;
int socket;
php_ssh2_session_data *data;
struct timeval tv;
zend_string *hash_lookup_zstring;
tv.tv_sec = FG(default_socket_timeout);
tv.tv_usec = 0;
socket = php_network_connect_socket_to_host(host, port, SOCK_STREAM, 0, &tv, NULL, NULL, NULL, 0, STREAM_SOCKOP_NONE);
if (socket <= 0) {
php_error_docref(NULL, E_WARNING, "Unable to connect to %s on port %d", host, port);
return NULL;
}
data = ecalloc(1, sizeof(php_ssh2_session_data));
data->socket = socket;
session = libssh2_session_init_ex(php_ssh2_alloc_cb, php_ssh2_free_cb, php_ssh2_realloc_cb, data);
if (!session) {
php_error_docref(NULL, E_WARNING, "Unable to initialize SSH2 session");
efree(data);
closesocket(socket);
return NULL;
}
libssh2_banner_set(session, LIBSSH2_SSH_DEFAULT_BANNER " PHP");
/* Override method preferences */
if (methods) {
zval *container;
if (php_ssh2_set_method(session, HASH_OF(methods), "kex", sizeof("kex") - 1, LIBSSH2_METHOD_KEX)) {
php_error_docref(NULL, E_WARNING, "Failed overriding KEX method");
}
if (php_ssh2_set_method(session, HASH_OF(methods), "hostkey", sizeof("hostkey") - 1, LIBSSH2_METHOD_HOSTKEY)) {
php_error_docref(NULL, E_WARNING, "Failed overriding HOSTKEY method");
}
hash_lookup_zstring = zend_string_init("client_to_server", sizeof("client_to_server") - 1, 0);
if ((container = zend_hash_find(HASH_OF(methods), hash_lookup_zstring)) != NULL && Z_TYPE_P(container) == IS_ARRAY) {
if (php_ssh2_set_method(session, HASH_OF(container), "crypt", sizeof("crypt") - 1, LIBSSH2_METHOD_CRYPT_CS)) {
php_error_docref(NULL, E_WARNING, "Failed overriding client to server CRYPT method");
}
if (php_ssh2_set_method(session, HASH_OF(container), "mac", sizeof("mac") - 1, LIBSSH2_METHOD_MAC_CS)) {
php_error_docref(NULL, E_WARNING, "Failed overriding client to server MAC method");
}
if (php_ssh2_set_method(session, HASH_OF(container), "comp", sizeof("comp") - 1, LIBSSH2_METHOD_COMP_CS)) {
php_error_docref(NULL, E_WARNING, "Failed overriding client to server COMP method");
}
if (php_ssh2_set_method(session, HASH_OF(container), "lang", sizeof("lang") - 1, LIBSSH2_METHOD_LANG_CS)) {
php_error_docref(NULL, E_WARNING, "Failed overriding client to server LANG method");
}
}
zend_string_release(hash_lookup_zstring);
hash_lookup_zstring = zend_string_init("server_to_client", sizeof("server_to_client") - 1, 0);
if ((container = zend_hash_find(HASH_OF(methods), hash_lookup_zstring)) != NULL && Z_TYPE_P(container) == IS_ARRAY) {
if (php_ssh2_set_method(session, HASH_OF(container), "crypt", sizeof("crypt") - 1, LIBSSH2_METHOD_CRYPT_SC)) {
php_error_docref(NULL, E_WARNING, "Failed overriding server to client CRYPT method");
}
if (php_ssh2_set_method(session, HASH_OF(container), "mac", sizeof("mac") - 1, LIBSSH2_METHOD_MAC_SC)) {
php_error_docref(NULL, E_WARNING, "Failed overriding server to client MAC method");
}
if (php_ssh2_set_method(session, HASH_OF(container), "comp", sizeof("comp") - 1, LIBSSH2_METHOD_COMP_SC)) {
php_error_docref(NULL, E_WARNING, "Failed overriding server to client COMP method");
}
if (php_ssh2_set_method(session, HASH_OF(container), "lang", sizeof("lang") - 1, LIBSSH2_METHOD_LANG_SC)) {
php_error_docref(NULL, E_WARNING, "Failed overriding server to client LANG method");
}
}
zend_string_release(hash_lookup_zstring);
}
/* Register Callbacks */
if (callbacks) {
/* ignore debug disconnect macerror */
if (php_ssh2_set_callback(session, HASH_OF(callbacks), "ignore", sizeof("ignore") - 1, LIBSSH2_CALLBACK_IGNORE, data)) {
php_error_docref(NULL, E_WARNING, "Failed setting IGNORE callback");
}
if (php_ssh2_set_callback(session, HASH_OF(callbacks), "debug", sizeof("debug") - 1, LIBSSH2_CALLBACK_DEBUG, data)) {
php_error_docref(NULL, E_WARNING, "Failed setting DEBUG callback");
}
if (php_ssh2_set_callback(session, HASH_OF(callbacks), "macerror", sizeof("macerror") - 1, LIBSSH2_CALLBACK_MACERROR, data)) {
php_error_docref(NULL, E_WARNING, "Failed setting MACERROR callback");
}
if (php_ssh2_set_callback(session, HASH_OF(callbacks), "disconnect", sizeof("disconnect") - 1, LIBSSH2_CALLBACK_DISCONNECT, data)) {
php_error_docref(NULL, E_WARNING, "Failed setting DISCONNECT callback");
}
}
if (libssh2_session_startup(session, socket)) {
int last_error = 0;
char *error_msg = NULL;
last_error = libssh2_session_last_error(session, &error_msg, NULL, 0);
php_error_docref(NULL, E_WARNING, "Error starting up SSH connection(%d): %s", last_error, error_msg);
closesocket(socket);
libssh2_session_free(session);
efree(data);
return NULL;
}
return session;
}
/* }}} */
/* {{{ proto resource ssh2_connect(string host[, int port[, array methods[, array callbacks]]])
* Establish a connection to a remote SSH server and return a resource on success, false on error
*/
PHP_FUNCTION(ssh2_connect)
{
LIBSSH2_SESSION *session;
zval *methods = NULL, *callbacks = NULL;
char *host;
zend_long port = PHP_SSH2_DEFAULT_PORT;
size_t host_len;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|la!a!", &host, &host_len, &port, &methods, &callbacks) == FAILURE) {
return;
}
session = php_ssh2_session_connect(host, port, methods, callbacks);
if (!session) {
php_error_docref(NULL, E_WARNING, "Unable to connect to %s", host);
RETURN_FALSE;
}
RETURN_RES(zend_register_resource(session, le_ssh2_session));
}
/* }}} */
/* {{{ proto resource ssh2_disconnect(resource session)
* close a connection to a remote SSH server and return a true on success, false on error.
*/
PHP_FUNCTION(ssh2_disconnect)
{
zval *zsession;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &zsession) == FAILURE) {
RETURN_FALSE;
}
zend_list_close(Z_RES_P(zsession));
RETURN_TRUE;
}
/* }}} */
/* {{{ proto array ssh2_methods_negotiated(resource session)
* Return list of negotiaed methods
*/
PHP_FUNCTION(ssh2_methods_negotiated)
{
LIBSSH2_SESSION *session;
zval *zsession, endpoint;
char *kex, *hostkey, *crypt_cs, *crypt_sc, *mac_cs, *mac_sc, *comp_cs, *comp_sc, *lang_cs, *lang_sc;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &zsession) == FAILURE) {
return;
}
if ((session = (LIBSSH2_SESSION *)zend_fetch_resource(Z_RES_P(zsession), PHP_SSH2_SESSION_RES_NAME, le_ssh2_session)) == NULL) {
RETURN_FALSE;
}
kex = (char*)libssh2_session_methods(session, LIBSSH2_METHOD_KEX);
hostkey = (char*)libssh2_session_methods(session, LIBSSH2_METHOD_HOSTKEY);
crypt_cs = (char*)libssh2_session_methods(session, LIBSSH2_METHOD_CRYPT_CS);
crypt_sc = (char*)libssh2_session_methods(session, LIBSSH2_METHOD_CRYPT_SC);
mac_cs = (char*)libssh2_session_methods(session, LIBSSH2_METHOD_MAC_CS);
mac_sc = (char*)libssh2_session_methods(session, LIBSSH2_METHOD_MAC_SC);
comp_cs = (char*)libssh2_session_methods(session, LIBSSH2_METHOD_COMP_CS);
comp_sc = (char*)libssh2_session_methods(session, LIBSSH2_METHOD_COMP_SC);
lang_cs = (char*)libssh2_session_methods(session, LIBSSH2_METHOD_LANG_CS);
lang_sc = (char*)libssh2_session_methods(session, LIBSSH2_METHOD_LANG_SC);
array_init(return_value);
add_assoc_string(return_value, "kex", kex);
add_assoc_string(return_value, "hostkey", hostkey);
array_init(&endpoint);
add_assoc_string(&endpoint, "crypt", crypt_cs);
add_assoc_string(&endpoint, "mac", mac_cs);
add_assoc_string(&endpoint, "comp", comp_cs);
add_assoc_string(&endpoint, "lang", lang_cs);
add_assoc_zval(return_value, "client_to_server", &endpoint);
array_init(&endpoint);
add_assoc_string(&endpoint, "crypt", crypt_sc);
add_assoc_string(&endpoint, "mac", mac_sc);
add_assoc_string(&endpoint, "comp", comp_sc);
add_assoc_string(&endpoint, "lang", lang_sc);
add_assoc_zval(return_value, "server_to_client", &endpoint);
}
/* }}} */
/* {{{ proto string ssh2_fingerprint(resource session[, int flags])
* Returns a server hostkey hash from an active session
* Defaults to MD5 fingerprint encoded as ASCII hex values
*/
PHP_FUNCTION(ssh2_fingerprint)
{
LIBSSH2_SESSION *session;
zval *zsession;
const char *fingerprint;
zend_long flags = 0;
int i, fingerprint_len;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|l", &zsession, &flags) == FAILURE) {
return;
}
fingerprint_len = (flags & PHP_SSH2_FINGERPRINT_SHA1) ? SHA_DIGEST_LENGTH : MD5_DIGEST_LENGTH;
if ((session = (LIBSSH2_SESSION *)zend_fetch_resource(Z_RES_P(zsession), PHP_SSH2_SESSION_RES_NAME, le_ssh2_session)) == NULL) {
RETURN_FALSE;
}
fingerprint = (char*)libssh2_hostkey_hash(session, (flags & PHP_SSH2_FINGERPRINT_SHA1) ? LIBSSH2_HOSTKEY_HASH_SHA1 : LIBSSH2_HOSTKEY_HASH_MD5);
if (!fingerprint) {
php_error_docref(NULL, E_WARNING, "Unable to retrieve fingerprint from specified session");
RETURN_FALSE;
}
for(i = 0; i < fingerprint_len; i++) {
if (fingerprint[i] != '\0') {
goto fingerprint_good;
}
}
php_error_docref(NULL, E_WARNING, "No fingerprint available using specified hash");
RETURN_NULL();
fingerprint_good:
if (flags & PHP_SSH2_FINGERPRINT_RAW) {
RETURN_STRINGL(fingerprint, fingerprint_len);
} else {
char *hexchars;
hexchars = emalloc((fingerprint_len * 2) + 1);
for(i = 0; i < fingerprint_len; i++) {
snprintf(hexchars + (2 * i), 3, "%02X", (unsigned char)fingerprint[i]);
}
ZVAL_STRINGL(return_value, hexchars, 2 * fingerprint_len);
efree(hexchars);
}
}
/* }}} */
/* {{{ proto array ssh2_auth_none(resource session, string username)
* Attempt "none" authentication, returns a list of allowed methods on failed authentication,
* false on utter failure, or true on success
*/
PHP_FUNCTION(ssh2_auth_none)
{
LIBSSH2_SESSION *session;
zval *zsession;
char *username, *methods, *s, *p;
size_t username_len;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs", &zsession, &username, &username_len) == FAILURE) {
return;
}
if ((session = (LIBSSH2_SESSION *)zend_fetch_resource(Z_RES_P(zsession), PHP_SSH2_SESSION_RES_NAME, le_ssh2_session)) == NULL) {
RETURN_FALSE;
}
s = methods = libssh2_userauth_list(session, username, username_len);
if (!methods) {
/* Either bad failure, or unexpected success */
RETURN_BOOL(libssh2_userauth_authenticated(session));
}
array_init(return_value);
while ((p = strchr(s, ','))) {
if ((p - s) > 0) {
add_next_index_stringl(return_value, s, p - s);
}
s = p + 1;
}
if (strlen(s)) {
add_next_index_string(return_value, s);
}
}
/* }}} */
char *password_for_kbd_callback;
static void kbd_callback(const char *name, int name_len,
const char *instruction, int instruction_len,
int num_prompts,
const LIBSSH2_USERAUTH_KBDINT_PROMPT *prompts,
LIBSSH2_USERAUTH_KBDINT_RESPONSE *responses,
void **abstract)
{
(void)name;
(void)name_len;
(void)instruction;
(void)instruction_len;
if (num_prompts == 1) {
responses[0].text = estrdup(password_for_kbd_callback);
responses[0].length = strlen(password_for_kbd_callback);
}
(void)prompts;
(void)abstract;
}
/* {{{ proto bool ssh2_auth_password(resource session, string username, string password)
* Authenticate over SSH using a plain password
*/
PHP_FUNCTION(ssh2_auth_password)
{
LIBSSH2_SESSION *session;
zval *zsession;
zend_string *username, *password;
char *userauthlist;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "rSS", &zsession, &username, &password) == FAILURE) {
return;
}
SSH2_FETCH_NONAUTHENTICATED_SESSION(session, zsession);
userauthlist = libssh2_userauth_list(session, username->val, username->len);
if (userauthlist != NULL) {
password_for_kbd_callback = password->val;
if (strstr(userauthlist, "keyboard-interactive") != NULL) {
if (libssh2_userauth_keyboard_interactive(session, username->val, &kbd_callback) == 0) {
RETURN_TRUE;
}
}
/* TODO: Support password change callback */
if (libssh2_userauth_password_ex(session, username->val, username->len, password->val, password->len, NULL)) {
php_error_docref(NULL, E_WARNING, "Authentication failed for %s using password", username->val);
RETURN_FALSE;
}
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool ssh2_auth_pubkey_file(resource session, string username, string pubkeyfile, string privkeyfile[, string passphrase])
* Authenticate using a public key
*/
PHP_FUNCTION(ssh2_auth_pubkey_file)
{
LIBSSH2_SESSION *session;
zval *zsession;
zend_string *username, *pubkey, *privkey, *passphrase;
#ifndef PHP_WIN32
zend_string *newpath;
struct passwd *pws;
#endif
if (zend_parse_parameters(ZEND_NUM_ARGS(), "rSSS|S", &zsession, &username, &pubkey, &privkey, &passphrase) == FAILURE) {
return;
}
if (php_check_open_basedir(ZSTR_VAL(pubkey)) || php_check_open_basedir(ZSTR_VAL(privkey))) {
RETURN_FALSE;
}
SSH2_FETCH_NONAUTHENTICATED_SESSION(session, zsession);
#ifndef PHP_WIN32
/* Explode '~/paths' stopgap fix because libssh2 does not accept tilde for homedir
This should be ifdef'ed when a fix is available to support older libssh2 versions*/
pws = getpwuid(geteuid());
if (ZSTR_LEN(pubkey) >= 2 && *(ZSTR_VAL(pubkey)) == '~' && *(ZSTR_VAL(pubkey)+1) == '/') {
newpath = zend_string_alloc(strlen(pws->pw_dir) + ZSTR_LEN(pubkey), 0);
strcpy(ZSTR_VAL(newpath), pws->pw_dir);
strcat(ZSTR_VAL(newpath), ZSTR_VAL(pubkey)+1);
zend_string_release(pubkey);
pubkey = newpath;
}
if (ZSTR_LEN(privkey) >= 2 && *(ZSTR_VAL(privkey)) == '~' && *(ZSTR_VAL(privkey)+1) == '/') {
newpath = zend_string_alloc(strlen(pws->pw_dir) + ZSTR_LEN(privkey), 0);
strcpy(ZSTR_VAL(newpath), pws->pw_dir);
strcat(ZSTR_VAL(newpath), ZSTR_VAL(privkey)+1);
zend_string_release(privkey);
privkey = newpath;
}
#endif
/* TODO: Support passphrase callback */
if (libssh2_userauth_publickey_fromfile_ex(session, ZSTR_VAL(username), ZSTR_LEN(username), ZSTR_VAL(pubkey), ZSTR_VAL(privkey), ZSTR_VAL(passphrase))) {
char *buf;
int len;
libssh2_session_last_error(session, &buf, &len, 0);
php_error_docref(NULL, E_WARNING, "Authentication failed for %s using public key: %s", ZSTR_VAL(username), buf);
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool ssh2_auth_hostbased_file(resource session, string username, string hostname, string pubkeyfile, string privkeyfile[, string passphrase[, string local_username]])
* Authenticate using a hostkey
*/
PHP_FUNCTION(ssh2_auth_hostbased_file)
{
LIBSSH2_SESSION *session;
zval *zsession;
char *username, *hostname, *pubkey, *privkey, *passphrase = NULL, *local_username = NULL;
size_t username_len, hostname_len, pubkey_len, privkey_len, passphrase_len, local_username_len;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "rssss|s!s!", &zsession, &username, &username_len,
&hostname, &hostname_len,
&pubkey, &pubkey_len,
&privkey, &privkey_len,
&passphrase, &passphrase_len,
&local_username, &local_username_len) == FAILURE) {
return;
}
if (php_check_open_basedir(pubkey) || php_check_open_basedir(privkey)) {
RETURN_FALSE;
}
SSH2_FETCH_NONAUTHENTICATED_SESSION(session, zsession);
if (!local_username) {
local_username = username;
local_username_len = username_len;
}
/* TODO: Support passphrase callback */
if (libssh2_userauth_hostbased_fromfile_ex(session, username, username_len, pubkey, privkey, passphrase, hostname, hostname_len, local_username, local_username_len)) {
php_error_docref(NULL, E_WARNING, "Authentication failed for %s using hostbased public key", username);
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto resource ssh2_forward_listen(resource session, int port[, string host[, long max_connections]])
* Bind a port on the remote server and listen for connections
*/
PHP_FUNCTION(ssh2_forward_listen)
{
zval *zsession;
LIBSSH2_SESSION *session;
LIBSSH2_LISTENER *listener;
php_ssh2_listener_data *data;
zend_long port;
char *host = NULL;
size_t host_len;
zend_long max_connections = PHP_SSH2_LISTEN_MAX_QUEUED;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl|sl", &zsession, &port, &host, &host_len, &max_connections) == FAILURE) {
return;
}
SSH2_FETCH_AUTHENTICATED_SESSION(session, zsession);
listener = libssh2_channel_forward_listen_ex(session, host, port, NULL, max_connections);
if (!listener) {
php_error_docref(NULL, E_WARNING, "Failure listening on remote port");
RETURN_FALSE;
}
data = emalloc(sizeof(php_ssh2_listener_data));
data->session = session;
data->session_rsrc = Z_RES_P(zsession);
Z_ADDREF_P(zsession);
data->listener = listener;
RETURN_RES(zend_register_resource(data, le_ssh2_listener));
}
/* }}} */
/* {{{ proto stream ssh2_forward_accept(resource listener[, string &shost[, long &sport]])
* Accept a connection created by a listener
*/
PHP_FUNCTION(ssh2_forward_accept)
{
zval *zlistener;
php_ssh2_listener_data *data;
LIBSSH2_CHANNEL *channel;
php_ssh2_channel_data *channel_data;
php_stream *stream;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &zlistener) == FAILURE) {
return;
}
if ((data = (php_ssh2_listener_data *)zend_fetch_resource(Z_RES_P(zlistener), PHP_SSH2_LISTENER_RES_NAME, le_ssh2_listener)) == NULL) {
RETURN_FALSE;
}
channel = libssh2_channel_forward_accept(data->listener);
if (!channel) {
RETURN_FALSE;
}
channel_data = emalloc(sizeof(php_ssh2_channel_data));
channel_data->channel = channel;
channel_data->streamid = 0;
channel_data->is_blocking = 0;
channel_data->session_rsrc = data->session_rsrc;
channel_data->refcount = NULL;
stream = php_stream_alloc(&php_ssh2_channel_stream_ops, channel_data, 0, "r+");
if (!stream) {
php_error_docref(NULL, E_WARNING, "Failure allocating stream");
efree(channel_data);
libssh2_channel_free(channel);
RETURN_FALSE;
}
#if PHP_VERSION_ID < 70300
GC_REFCOUNT(channel_data->session_rsrc)++;
#else
GC_ADDREF(channel_data->session_rsrc);
#endif
php_stream_to_zval(stream, return_value);
}
/* }}} */
/* {{{ proto int ssh2_poll(array &polldes[, int timeout])
* Poll the channels/listeners/streams for events
* Returns number of descriptors which returned non-zero revents
* Input array should be of the form:
* array(
* 0 => array(
* [resource] => $channel,$listener, or $stream
* [events] => SSH2_POLL* flags bitwise ORed together
* ),
* 1 => ...
* )
* Each subarray will be populated with an revents element on return
*/
PHP_FUNCTION(ssh2_poll)
{
zval *zdesc, *subarray, **pollmap;
zend_long timeout = PHP_SSH2_DEFAULT_POLL_TIMEOUT;
LIBSSH2_POLLFD *pollfds;
int numfds, i = 0, fds_ready;
int le_stream = php_file_le_stream();
int le_pstream = php_file_le_pstream();
zend_string *hash_key_zstring;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "a|l", &zdesc, &timeout) == FAILURE) {
return;
}
numfds = zend_hash_num_elements(Z_ARRVAL_P(zdesc));
pollfds = safe_emalloc(sizeof(LIBSSH2_POLLFD), numfds, 0);
pollmap = safe_emalloc(sizeof(zval**), numfds, 0);
for(zend_hash_internal_pointer_reset(Z_ARRVAL_P(zdesc));
(subarray = zend_hash_get_current_data(Z_ARRVAL_P(zdesc))) != NULL;
zend_hash_move_forward(Z_ARRVAL_P(zdesc))) {
zval *tmpzval;
int res_type = 0;
void *res;
if (Z_TYPE_P(subarray) != IS_ARRAY) {
php_error_docref(NULL, E_WARNING, "Invalid element in poll array, not a sub array");
numfds--;
continue;
}
hash_key_zstring = zend_string_init("events", sizeof("events") - 1, 0);
if ((tmpzval = zend_hash_find(Z_ARRVAL_P(subarray), hash_key_zstring)) == NULL || Z_TYPE_P(tmpzval) != IS_LONG) {
php_error_docref(NULL, E_WARNING, "Invalid data in subarray, no events element, or not a bitmask");
numfds--;
zend_string_release(hash_key_zstring);
continue;
}
zend_string_release(hash_key_zstring);
pollfds[i].events = Z_LVAL_P(tmpzval);
hash_key_zstring = zend_string_init("resource", sizeof("resource") - 1, 0);
if ((tmpzval = zend_hash_find(Z_ARRVAL_P(subarray), hash_key_zstring)) == NULL || Z_TYPE_P(tmpzval) != IS_REFERENCE
|| (tmpzval = Z_REFVAL_P(tmpzval)) == NULL || Z_TYPE_P(tmpzval) != IS_RESOURCE) {
php_error_docref(NULL, E_WARNING, "Invalid data in subarray, no resource element, or not of type resource");
numfds--;
zend_string_release(hash_key_zstring);
continue;
}
zend_string_release(hash_key_zstring);
res_type = Z_RES_P(tmpzval)->type;
res = zend_fetch_resource_ex(tmpzval, "Poll Resource", res_type);
if (res_type == le_ssh2_listener) {
pollfds[i].type = LIBSSH2_POLLFD_LISTENER;
pollfds[i].fd.listener = ((php_ssh2_listener_data*)res)->listener;
} else if ((res_type == le_stream || res_type == le_pstream) &&
((php_stream*)res)->ops == &php_ssh2_channel_stream_ops) {
pollfds[i].type = LIBSSH2_POLLFD_CHANNEL;
pollfds[i].fd.channel = ((php_ssh2_channel_data*)(((php_stream*)res)->abstract))->channel;
/* TODO: Add the ability to select against other stream types */
} else {
php_error_docref(NULL, E_WARNING, "Invalid resource type in subarray: %s", zend_rsrc_list_get_rsrc_type(Z_RES_P(tmpzval)));
numfds--;
continue;
}
pollmap[i] = subarray;
i++;
}
fds_ready = libssh2_poll(pollfds, numfds, timeout * 1000);
for(i = 0; i < numfds; i++) {
zval *subarray = pollmap[i];
if (Z_REFCOUNT_P(subarray) > 1) {
/* Make a new copy of the subarray zval* */
zval new_subarray;
ZVAL_DUP(&new_subarray, subarray);
/* Decrement refcount prior to swapping in new allocation */
Z_DELREF_P(subarray);
*pollmap[i] = new_subarray;
}
hash_key_zstring = zend_string_init("revents", sizeof("revents") - 1, 0);
zend_hash_del(Z_ARRVAL_P(subarray), hash_key_zstring);
zend_string_release(hash_key_zstring);
add_assoc_long(subarray, "revents", pollfds[i].revents);
}
efree(pollmap);
efree(pollfds);
RETURN_LONG(fds_ready);
}
/* }}} */
/* ***********************
* Publickey Subsystem *
*********************** */
/* {{{ proto resource ssh2_publickey_init(resource connection)
Initialize the publickey subsystem */
PHP_FUNCTION(ssh2_publickey_init)
{
zval *zsession;
LIBSSH2_SESSION *session;
LIBSSH2_PUBLICKEY *pkey;
php_ssh2_pkey_subsys_data *data;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &zsession) == FAILURE) {
return;
}
SSH2_FETCH_AUTHENTICATED_SESSION(session, zsession);
pkey = libssh2_publickey_init(session);
if (!pkey) {
int last_error = 0;
char *error_msg = NULL;
last_error = libssh2_session_last_error(session, &error_msg, NULL, 0);
php_error_docref(NULL, E_WARNING, "Unable to initialize publickey subsystem(%d) %s", last_error, error_msg);
RETURN_FALSE;
}
data = emalloc(sizeof(php_ssh2_pkey_subsys_data));
data->session = session;
data->session_rsrc = Z_RES_P(zsession);
Z_ADDREF_P(zsession);
data->pkey = pkey;
RETURN_RES(zend_register_resource(data, le_ssh2_pkey_subsys));
}
/* }}} */
/* {{{ proto bool ssh2_publickey_add(resource pkey, string algoname, string blob[, bool overwrite=FALSE [,array attributes=NULL]])
Add an additional publickey */
PHP_FUNCTION(ssh2_publickey_add)
{
zval *zpkey_data, *zattrs = NULL;
php_ssh2_pkey_subsys_data *data;
char *algo, *blob;
size_t algo_len, blob_len;
unsigned long num_attrs = 0;
libssh2_publickey_attribute *attrs = NULL;
zend_bool overwrite = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "rss|ba", &zpkey_data, &algo, &algo_len, &blob, &blob_len, &overwrite, &zattrs) == FAILURE) {
return;
}
if ((data = (php_ssh2_pkey_subsys_data *)zend_fetch_resource(Z_RES_P(zpkey_data), PHP_SSH2_PKEY_SUBSYS_RES_NAME, le_ssh2_pkey_subsys)) == NULL) {
RETURN_FALSE;
}
if (zattrs) {
HashPosition pos;
zval *attr_val;
unsigned long current_attr = 0;
num_attrs = zend_hash_num_elements(Z_ARRVAL_P(zattrs));
attrs = safe_emalloc(num_attrs, sizeof(libssh2_publickey_attribute), 0);
for(zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(zattrs), &pos);
(attr_val = zend_hash_get_current_data_ex(Z_ARRVAL_P(zattrs), &pos)) != NULL;
zend_hash_move_forward_ex(Z_ARRVAL_P(zattrs), &pos)) {
zend_string *key;
int type;
zend_ulong idx;
zval copyval = *attr_val;
type = zend_hash_get_current_key_ex(Z_ARRVAL_P(zattrs), &key, &idx, &pos);
if (type == HASH_KEY_NON_EXISTENT) {
/* All but impossible */
break;
}
if (type == HASH_KEY_IS_LONG) {
/* Malformed, ignore */
php_error_docref(NULL, E_WARNING, "Malformed attirbute array, contains numeric index");
num_attrs--;
continue;
}
if (!key || (key->len == 1 && key->val[0] == '*')) {
/* Empty key, ignore */
php_error_docref(NULL, E_WARNING, "Empty attribute key");
num_attrs--;
continue;
}
zval_copy_ctor(&copyval);
// TODO Sean-Der
//Z_UNSET_ISREF_P(&copyval);
//Z_SET_REFCOUNT_P(&copyval, 1);
convert_to_string(&copyval);
if (key->val[0] == '*') {
attrs[current_attr].mandatory = 1;
attrs[current_attr].name = key->val + 1;
attrs[current_attr].name_len = key->len - 2;
} else {
attrs[current_attr].mandatory = 0;
attrs[current_attr].name = key->val;
attrs[current_attr].name_len = key->len - 1;
}
attrs[current_attr].value_len = Z_STRLEN(copyval);
attrs[current_attr].value = Z_STRVAL(copyval);
/* copyval deliberately not dtor'd, we're stealing the string */
current_attr++;
}
}
if (libssh2_publickey_add_ex(data->pkey, (unsigned char *) algo, algo_len, (unsigned char *) blob, blob_len, overwrite, num_attrs, attrs)) {
php_error_docref(NULL, E_WARNING, "Unable to add %s key", algo);
RETVAL_FALSE;
} else {
RETVAL_TRUE;
}
if (attrs) {
unsigned long i;
for(i = 0; i < num_attrs; i++) {
/* name doesn't need freeing */
// TODO Sean-Der
//efree(attrs[i].value);
}
efree(attrs);
}
}
/* }}} */
/* {{{ proto bool ssh2_publickey_remove(resource pkey, string algoname, string blob)
Remove a publickey entry */
PHP_FUNCTION(ssh2_publickey_remove)
{
zval *zpkey_data;
php_ssh2_pkey_subsys_data *data;
char *algo, *blob;
size_t algo_len, blob_len;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "rss", &zpkey_data, &algo, &algo_len, &blob, &blob_len) == FAILURE) {
return;
}
if ((data = (php_ssh2_pkey_subsys_data *)zend_fetch_resource(Z_RES_P(zpkey_data), PHP_SSH2_PKEY_SUBSYS_RES_NAME, le_ssh2_pkey_subsys)) == NULL) {
RETURN_FALSE;
}
if (libssh2_publickey_remove_ex(data->pkey, (unsigned char *) algo, algo_len, (unsigned char *) blob, blob_len)) {
php_error_docref(NULL, E_WARNING, "Unable to remove %s key", algo);
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto array ssh2_publickey_list(resource pkey)
List currently installed publickey entries */
PHP_FUNCTION(ssh2_publickey_list)
{
zval *zpkey_data;
php_ssh2_pkey_subsys_data *data;
unsigned long num_keys, i;
libssh2_publickey_list *keys;
zend_string *hash_key_zstring;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &zpkey_data) == FAILURE) {
return;
}
if ((data = (php_ssh2_pkey_subsys_data *)zend_fetch_resource(Z_RES_P(zpkey_data), PHP_SSH2_PKEY_SUBSYS_RES_NAME, le_ssh2_pkey_subsys)) == NULL) {
RETURN_FALSE;
}
if (libssh2_publickey_list_fetch(data->pkey, &num_keys, &keys)) {
php_error_docref(NULL, E_WARNING, "Unable to list keys on remote server");
RETURN_FALSE;
}
array_init(return_value);
for(i = 0; i < num_keys; i++) {
zval key, attrs;
unsigned long j;
array_init(&key);
add_assoc_stringl(&key, "name", (char *) keys[i].name, keys[i].name_len);
add_assoc_stringl(&key, "blob", (char *) keys[i].blob, keys[i].blob_len);
array_init(&attrs);
for(j = 0; j < keys[i].num_attrs; j++) {
zval attr;
ZVAL_STRINGL(&attr, keys[i].attrs[j].value, keys[i].attrs[j].value_len);
hash_key_zstring = zend_string_init(keys[i].attrs[j].name, keys[i].attrs[j].name_len, 0);
zend_hash_add(Z_ARRVAL_P(&attrs), hash_key_zstring, &attr);
zend_string_release(hash_key_zstring);
}
add_assoc_zval(&key, "attrs", &attrs);
add_next_index_zval(return_value, &key);
}
libssh2_publickey_list_free(data->pkey, keys);
}
/* }}} */
/* {{{ proto array ssh2_auth_agent(resource session, string username)
Authenticate using the ssh agent */
PHP_FUNCTION(ssh2_auth_agent)
{
#ifdef PHP_SSH2_AGENT_AUTH
zval *zsession;
char *username;
size_t username_len;
LIBSSH2_SESSION *session;
char *userauthlist;
LIBSSH2_AGENT *agent = NULL;
int rc;
struct libssh2_agent_publickey *identity, *prev_identity = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs", &zsession, &username, &username_len) == FAILURE) {
return;
}
SSH2_FETCH_NONAUTHENTICATED_SESSION(session, zsession);
/* check what authentication methods are available */
userauthlist = libssh2_userauth_list(session, username, username_len);
if (userauthlist != NULL && strstr(userauthlist, "publickey") == NULL) {
php_error_docref(NULL, E_WARNING, "\"publickey\" authentication is not supported");
RETURN_FALSE;
}
/* Connect to the ssh-agent */
agent = libssh2_agent_init(session);
if (!agent) {
php_error_docref(NULL, E_WARNING, "Failure initializing ssh-agent support");
RETURN_FALSE;
}
if (libssh2_agent_connect(agent)) {
php_error_docref(NULL, E_WARNING, "Failure connecting to ssh-agent");
libssh2_agent_free(agent);
RETURN_FALSE;
}
if (libssh2_agent_list_identities(agent)) {
php_error_docref(NULL, E_WARNING, "Failure requesting identities to ssh-agent");
libssh2_agent_disconnect(agent);
libssh2_agent_free(agent);
RETURN_FALSE;
}
while (1) {
rc = libssh2_agent_get_identity(agent, &identity, prev_identity);
if (rc == 1) {
php_error_docref(NULL, E_WARNING, "Couldn't continue authentication");
libssh2_agent_disconnect(agent);
libssh2_agent_free(agent);
RETURN_FALSE;
}
if (rc < 0) {
php_error_docref(NULL, E_WARNING, "Failure obtaining identity from ssh-agent support");
libssh2_agent_disconnect(agent);
libssh2_agent_free(agent);
RETURN_FALSE;
}
if (!libssh2_agent_userauth(agent, username, identity)) {
libssh2_agent_disconnect(agent);
libssh2_agent_free(agent);
RETURN_TRUE;
}
prev_identity = identity;
}
#else
php_error_docref(NULL, E_WARNING, "Upgrade the libssh2 library (needs 1.2.3 or higher) and reinstall the ssh2 extension for ssh2 agent support");
RETURN_FALSE;
#endif /* PHP_SSH2_AGENT_AUTH */
}
/* }}} */
/* ***********************
* Module Housekeeping *
*********************** */
static void php_ssh2_session_dtor(zend_resource *rsrc)
{
LIBSSH2_SESSION *session = (LIBSSH2_SESSION*)rsrc->ptr;
php_ssh2_session_data **data = (php_ssh2_session_data**)libssh2_session_abstract(session);
libssh2_session_disconnect(session, "PECL/ssh2 (http://pecl.php.net/packages/ssh2)");
if (*data) {
if ((*data)->ignore_cb) {
zval_ptr_dtor((*data)->ignore_cb);
}
if ((*data)->debug_cb) {
zval_ptr_dtor((*data)->debug_cb);
}
if ((*data)->macerror_cb) {
zval_ptr_dtor((*data)->macerror_cb);
}
if ((*data)->disconnect_cb) {
zval_ptr_dtor((*data)->disconnect_cb);
}
closesocket((*data)->socket);
efree(*data);
*data = NULL;
}
libssh2_session_free(session);
}
static void php_ssh2_listener_dtor(zend_resource *rsrc)
{
php_ssh2_listener_data *data = (php_ssh2_listener_data*)rsrc->ptr;
LIBSSH2_LISTENER *listener = data->listener;
libssh2_channel_forward_cancel(listener);
zend_list_delete(data->session_rsrc);
efree(data);
}
static void php_ssh2_pkey_subsys_dtor(zend_resource *rsrc)
{
php_ssh2_pkey_subsys_data *data = (php_ssh2_pkey_subsys_data*)rsrc->ptr;
LIBSSH2_PUBLICKEY *pkey = data->pkey;
libssh2_publickey_shutdown(pkey);
zend_list_delete(data->session_rsrc);
efree(data);
}
/* {{{ PHP_MINIT_FUNCTION
*/
PHP_MINIT_FUNCTION(ssh2)
{
le_ssh2_session = zend_register_list_destructors_ex(php_ssh2_session_dtor, NULL, PHP_SSH2_SESSION_RES_NAME, module_number);
le_ssh2_listener = zend_register_list_destructors_ex(php_ssh2_listener_dtor, NULL, PHP_SSH2_LISTENER_RES_NAME, module_number);
le_ssh2_sftp = zend_register_list_destructors_ex(php_ssh2_sftp_dtor, NULL, PHP_SSH2_SFTP_RES_NAME, module_number);
le_ssh2_pkey_subsys = zend_register_list_destructors_ex(php_ssh2_pkey_subsys_dtor, NULL, PHP_SSH2_PKEY_SUBSYS_RES_NAME, module_number);
REGISTER_LONG_CONSTANT("SSH2_FINGERPRINT_MD5", PHP_SSH2_FINGERPRINT_MD5, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SSH2_FINGERPRINT_SHA1", PHP_SSH2_FINGERPRINT_SHA1, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SSH2_FINGERPRINT_HEX", PHP_SSH2_FINGERPRINT_HEX, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SSH2_FINGERPRINT_RAW", PHP_SSH2_FINGERPRINT_RAW, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SSH2_TERM_UNIT_CHARS", PHP_SSH2_TERM_UNIT_CHARS, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SSH2_TERM_UNIT_PIXELS", PHP_SSH2_TERM_UNIT_PIXELS, CONST_CS | CONST_PERSISTENT);
REGISTER_STRING_CONSTANT("SSH2_DEFAULT_TERMINAL", PHP_SSH2_DEFAULT_TERMINAL, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SSH2_DEFAULT_TERM_WIDTH", PHP_SSH2_DEFAULT_TERM_WIDTH, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SSH2_DEFAULT_TERM_HEIGHT", PHP_SSH2_DEFAULT_TERM_HEIGHT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SSH2_DEFAULT_TERM_UNIT", PHP_SSH2_DEFAULT_TERM_UNIT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SSH2_STREAM_STDIO", 0, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SSH2_STREAM_STDERR", SSH_EXTENDED_DATA_STDERR, CONST_CS | CONST_PERSISTENT);
/* events/revents */
REGISTER_LONG_CONSTANT("SSH2_POLLIN", LIBSSH2_POLLFD_POLLIN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SSH2_POLLEXT", LIBSSH2_POLLFD_POLLEXT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SSH2_POLLOUT", LIBSSH2_POLLFD_POLLOUT, CONST_CS | CONST_PERSISTENT);
/* revents only */
REGISTER_LONG_CONSTANT("SSH2_POLLERR", LIBSSH2_POLLFD_POLLERR, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SSH2_POLLHUP", LIBSSH2_POLLFD_POLLHUP, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SSH2_POLLNVAL", LIBSSH2_POLLFD_POLLNVAL, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SSH2_POLL_SESSION_CLOSED", LIBSSH2_POLLFD_SESSION_CLOSED, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SSH2_POLL_CHANNEL_CLOSED", LIBSSH2_POLLFD_CHANNEL_CLOSED, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SSH2_POLL_LISTENER_CLOSED", LIBSSH2_POLLFD_LISTENER_CLOSED, CONST_CS | CONST_PERSISTENT);
return (php_register_url_stream_wrapper("ssh2.shell", &php_ssh2_stream_wrapper_shell) == SUCCESS &&
php_register_url_stream_wrapper("ssh2.exec", &php_ssh2_stream_wrapper_exec) == SUCCESS &&
php_register_url_stream_wrapper("ssh2.tunnel", &php_ssh2_stream_wrapper_tunnel) == SUCCESS &&
php_register_url_stream_wrapper("ssh2.scp", &php_ssh2_stream_wrapper_scp) == SUCCESS &&
php_register_url_stream_wrapper("ssh2.sftp", &php_ssh2_sftp_wrapper) == SUCCESS) ? SUCCESS : FAILURE;
}
/* }}} */
/* {{{ PHP_MSHUTDOWN_FUNCTION
*/
PHP_MSHUTDOWN_FUNCTION(ssh2)
{
return (php_unregister_url_stream_wrapper("ssh2.shell") == SUCCESS &&
php_unregister_url_stream_wrapper("ssh2.exec") == SUCCESS &&
php_unregister_url_stream_wrapper("ssh2.tunnel") == SUCCESS &&
php_unregister_url_stream_wrapper("ssh2.scp") == SUCCESS &&
php_unregister_url_stream_wrapper("ssh2.sftp") == SUCCESS) ? SUCCESS : FAILURE;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION
*/
PHP_MINFO_FUNCTION(ssh2)
{
php_info_print_table_start();
php_info_print_table_header(2, "SSH2 support", "enabled");
php_info_print_table_row(2, "extension version", PHP_SSH2_VERSION);
php_info_print_table_row(2, "libssh2 version", LIBSSH2_VERSION);
php_info_print_table_row(2, "banner", LIBSSH2_SSH_BANNER);
php_info_print_table_end();
}
/* }}} */
/* {{{ ZEND_BEGIN_ARG_INFO
*/
ZEND_BEGIN_ARG_INFO_EX(arginfo_ssh2_connect, 0, 0, 1)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, port)
ZEND_ARG_INFO(0, methods)
ZEND_ARG_INFO(0, callbacks)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_disconnect, 1)
ZEND_ARG_INFO(0, session)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_methods_negotiated, 1)
ZEND_ARG_INFO(0, session)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_ssh2_fingerprint, 0, 0, 1)
ZEND_ARG_INFO(0, session)
ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_auth_none, 2)
ZEND_ARG_INFO(0, session)
ZEND_ARG_INFO(0, username)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_auth_password, 3)
ZEND_ARG_INFO(0, session)
ZEND_ARG_INFO(0, username)
ZEND_ARG_INFO(0, password)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_ssh2_auth_pubkey_file, 0, 0, 4)
ZEND_ARG_INFO(0, session)
ZEND_ARG_INFO(0, username)
ZEND_ARG_INFO(0, pubkeyfile)
ZEND_ARG_INFO(0, privkeyfile)
ZEND_ARG_INFO(0, passphrase)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_ssh2_auth_hostbased_file, 0, 0, 5)
ZEND_ARG_INFO(0, session)
ZEND_ARG_INFO(0, username)
ZEND_ARG_INFO(0, hostname)
ZEND_ARG_INFO(0, pubkeyfile)
ZEND_ARG_INFO(0, privkeyfile)
ZEND_ARG_INFO(0, passphrase)
ZEND_ARG_INFO(0, local_username)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_ssh2_forward_listen, 0, 0, 2)
ZEND_ARG_INFO(0, session)
ZEND_ARG_INFO(0, port)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, max_connections)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_ssh2_forward_accept, 0, 0, 1)
ZEND_ARG_INFO(0, listener)
ZEND_ARG_INFO(1, host)
ZEND_ARG_INFO(0, port)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_ssh2_shell, 0, 0, 1)
ZEND_ARG_INFO(0, session)
ZEND_ARG_INFO(0, termtype)
ZEND_ARG_INFO(0, env)
ZEND_ARG_INFO(0, width)
ZEND_ARG_INFO(0, height)
ZEND_ARG_INFO(0, width_height_type)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_ssh2_exec, 0, 0, 2)
ZEND_ARG_INFO(0, session)
ZEND_ARG_INFO(0, command)
ZEND_ARG_INFO(0, pty)
ZEND_ARG_INFO(0, env)
ZEND_ARG_INFO(0, width)
ZEND_ARG_INFO(0, height)
ZEND_ARG_INFO(0, width_height_type)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_tunnel, 3)
ZEND_ARG_INFO(0, session)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, port)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_scp_recv, 3)
ZEND_ARG_INFO(0, session)
ZEND_ARG_INFO(0, remote_file)
ZEND_ARG_INFO(0, local_file)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_ssh2_scp_send, 0, 0, 3)
ZEND_ARG_INFO(0, session)
ZEND_ARG_INFO(0, local_file)
ZEND_ARG_INFO(0, remote_file)
ZEND_ARG_INFO(0, create_mode)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_fetch_stream, 2)
ZEND_ARG_INFO(0, channel)
ZEND_ARG_INFO(0, streamid)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_ssh2_poll, 0, 0, 1)
ZEND_ARG_INFO(1, polldes)
ZEND_ARG_INFO(0, timeout)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_ssh2_send_eof, 0, 0, 1)
ZEND_ARG_INFO(0, channel)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_sftp, 1)
ZEND_ARG_INFO(0, session)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_sftp_rename, 3)
ZEND_ARG_INFO(0, sftp)
ZEND_ARG_INFO(0, from)
ZEND_ARG_INFO(0, to)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_sftp_unlink, 2)
ZEND_ARG_INFO(0, sftp)
ZEND_ARG_INFO(0, filename)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_ssh2_sftp_mkdir, 0, 0, 2)
ZEND_ARG_INFO(0, sftp)
ZEND_ARG_INFO(0, dirname)
ZEND_ARG_INFO(0, mode)
ZEND_ARG_INFO(0, recursive)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_sftp_rmdir, 2)
ZEND_ARG_INFO(0, sftp)
ZEND_ARG_INFO(0, dirname)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_sftp_chmod, 3)
ZEND_ARG_INFO(0, sftp)
ZEND_ARG_INFO(0, filename)
ZEND_ARG_INFO(0, mode)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_sftp_stat, 2)
ZEND_ARG_INFO(0, sftp)
ZEND_ARG_INFO(0, path)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_sftp_lstat, 2)
ZEND_ARG_INFO(0, sftp)
ZEND_ARG_INFO(0, path)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_sftp_symlink, 3)
ZEND_ARG_INFO(0, sftp)
ZEND_ARG_INFO(0, target)
ZEND_ARG_INFO(0, link)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_sftp_readlink, 2)
ZEND_ARG_INFO(0, sftp)
ZEND_ARG_INFO(0, link)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_sftp_realpath, 2)
ZEND_ARG_INFO(0, sftp)
ZEND_ARG_INFO(0, filename)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_publickey_init, 1)
ZEND_ARG_INFO(0, session)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_ssh2_publickey_add, 0, 0, 3)
ZEND_ARG_INFO(0, pkey)
ZEND_ARG_INFO(0, algoname)
ZEND_ARG_INFO(0, blob)
ZEND_ARG_INFO(0, overwrite)
ZEND_ARG_INFO(0, attributes)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_publickey_remove, 3)
ZEND_ARG_INFO(0, pkey)
ZEND_ARG_INFO(0, algoname)
ZEND_ARG_INFO(0, blob)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_publickey_list, 1)
ZEND_ARG_INFO(0, pkey)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_ssh2_auth_agent, 2)
ZEND_ARG_INFO(0, session)
ZEND_ARG_INFO(0, username)
ZEND_END_ARG_INFO()
/* }}} */
/* {{{ ssh2_functions[]
*/
zend_function_entry ssh2_functions[] = {
PHP_FE(ssh2_connect, arginfo_ssh2_connect)
PHP_FE(ssh2_disconnect, arginfo_ssh2_disconnect)
PHP_FE(ssh2_methods_negotiated, arginfo_ssh2_methods_negotiated)
PHP_FE(ssh2_fingerprint, arginfo_ssh2_fingerprint)
PHP_FE(ssh2_auth_none, arginfo_ssh2_auth_none)
PHP_FE(ssh2_auth_password, arginfo_ssh2_auth_password)
PHP_FE(ssh2_auth_pubkey_file, arginfo_ssh2_auth_pubkey_file)
PHP_FE(ssh2_auth_hostbased_file, arginfo_ssh2_auth_hostbased_file)
PHP_FE(ssh2_forward_listen, arginfo_ssh2_forward_listen)
PHP_FE(ssh2_forward_accept, arginfo_ssh2_forward_accept)
/* Stream Stuff */
PHP_FE(ssh2_shell, arginfo_ssh2_shell)
PHP_FE(ssh2_exec, arginfo_ssh2_exec)
PHP_FE(ssh2_tunnel, arginfo_ssh2_tunnel)
PHP_FE(ssh2_scp_recv, arginfo_ssh2_scp_recv)
PHP_FE(ssh2_scp_send, arginfo_ssh2_scp_send)
PHP_FE(ssh2_fetch_stream, arginfo_ssh2_fetch_stream)
PHP_FE(ssh2_poll, arginfo_ssh2_poll)
PHP_FE(ssh2_send_eof, arginfo_ssh2_send_eof)
/* SFTP Stuff */
PHP_FE(ssh2_sftp, arginfo_ssh2_sftp)
/* SFTP Wrapper Ops */
PHP_FE(ssh2_sftp_rename, arginfo_ssh2_sftp_rename)
PHP_FE(ssh2_sftp_unlink, arginfo_ssh2_sftp_unlink)
PHP_FE(ssh2_sftp_mkdir, arginfo_ssh2_sftp_mkdir)
PHP_FE(ssh2_sftp_rmdir, arginfo_ssh2_sftp_rmdir)
PHP_FE(ssh2_sftp_chmod, arginfo_ssh2_sftp_chmod)
PHP_FE(ssh2_sftp_stat, arginfo_ssh2_sftp_stat)
PHP_FE(ssh2_sftp_lstat, arginfo_ssh2_sftp_lstat)
PHP_FE(ssh2_sftp_symlink, arginfo_ssh2_sftp_symlink)
PHP_FE(ssh2_sftp_readlink, arginfo_ssh2_sftp_readlink)
PHP_FE(ssh2_sftp_realpath, arginfo_ssh2_sftp_realpath)
/* Publickey subsystem */
PHP_FE(ssh2_publickey_init, arginfo_ssh2_publickey_init)
PHP_FE(ssh2_publickey_add, arginfo_ssh2_publickey_add)
PHP_FE(ssh2_publickey_remove, arginfo_ssh2_publickey_remove)
PHP_FE(ssh2_publickey_list, arginfo_ssh2_publickey_list)
PHP_FE(ssh2_auth_agent, arginfo_ssh2_auth_agent)
{NULL, NULL, NULL}
};
/* }}} */
/* {{{ ssh2_module_entry
*/
zend_module_entry ssh2_module_entry = {
STANDARD_MODULE_HEADER,
"ssh2",
ssh2_functions,
PHP_MINIT(ssh2),
PHP_MSHUTDOWN(ssh2),
NULL, /* RINIT */
NULL, /* RSHUTDOWN */
PHP_MINFO(ssh2),
PHP_SSH2_VERSION,
STANDARD_MODULE_PROPERTIES
};
/* }}} */
#ifdef COMPILE_DL_SSH2
ZEND_GET_MODULE(ssh2)
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
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