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smbclient.c
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smbclient.c
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/* ------------------------------------------------------------------
* This file is part of libsmbclient-php: Samba bindings for PHP.
* Libsmbclient-php is licensed under the BSD 2-clause license:
* ------------------------------------------------------------------
*
* Copyright (c) 2003, Matthew Sachs
* 2009 - 2014, Eduardo Bacchi Kienetz
* 2013 - 2015, Alfred Klomp
* 2015, Remi Collet
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* ------------------------------------------------------------------
*/
#define IS_EXT_MODULE
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "ext/standard/info.h"
#include "php_smbclient.h"
ZEND_DECLARE_MODULE_GLOBALS(smbclient)
#define PHP_SMBCLIENT_STATE_NAME "smbclient state"
#define PHP_SMBCLIENT_FILE_NAME "smbclient file"
static int le_smbclient_state;
static int le_smbclient_file;
#if PHP_MAJOR_VERSION >= 7
typedef size_t strsize_t;
#else
typedef int strsize_t;
typedef long zend_long;
#endif
enum {
SMBCLIENT_OPT_OPEN_SHAREMODE = 1,
SMBCLIENT_OPT_ENCRYPT_LEVEL = 2,
SMBCLIENT_OPT_CASE_SENSITIVE = 3,
SMBCLIENT_OPT_BROWSE_MAX_LMB_COUNT = 4,
SMBCLIENT_OPT_URLENCODE_READDIR_ENTRIES = 5,
/* Ignore OneSharePerServer, not relevant to us. */
SMBCLIENT_OPT_USE_KERBEROS = 6,
SMBCLIENT_OPT_FALLBACK_AFTER_KERBEROS = 7,
/* Reverse the sense of this option, the original
* is the confusing "NoAutoAnonymousLogin": */
SMBCLIENT_OPT_AUTO_ANONYMOUS_LOGIN = 8,
SMBCLIENT_OPT_USE_CCACHE = 9,
SMBCLIENT_OPT_USE_NT_HASH = 10,
SMBCLIENT_OPT_NETBIOS_NAME = 11,
SMBCLIENT_OPT_WORKGROUP = 12,
SMBCLIENT_OPT_USER = 13,
SMBCLIENT_OPT_PORT = 14,
SMBCLIENT_OPT_TIMEOUT = 15,
}
php_smbclient_options;
static char *
find_char (char *start, char *last, char q)
{
char *c;
for (c = start; c <= last; c++) {
if (*c == q) {
return c;
}
}
return NULL;
}
static char *
find_second_char (char *start, char *last, char q)
{
char *c;
if ((c = find_char(start, last, q)) == NULL) {
return NULL;
}
return find_char(c + 1, last, q);
}
static void
astfill (char *start, char *last)
{
char *c;
for (c = start; c <= last; c++) {
*c = '*';
}
}
static void
hide_password (char *url, int len)
{
/* URL should have the form:
* smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]]
* Replace everything after the second colon and before the next @
* with asterisks. */
char *last = (url + len) - 1;
char *second_colon;
char *slash;
char *at_sign;
if (len <= 0) {
return;
}
if ((second_colon = find_second_char(url, last, ':')) == NULL) {
return;
}
if ((slash = find_char(second_colon + 1, last, '/')) == NULL) {
slash = last + 1;
}
if ((at_sign = find_char(second_colon + 1, last, '@')) == NULL) {
astfill(second_colon + 1, slash - 1);
return;
}
if (at_sign > slash) {
at_sign = slash;
}
astfill(second_colon + 1, at_sign - 1);
}
/* {{{ arginfo */
ZEND_BEGIN_ARG_INFO(arginfo_smbclient_void, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_smbclient_state_init, 0, 0, 1)
ZEND_ARG_INFO(0, state)
ZEND_ARG_INFO(0, workgroup)
ZEND_ARG_INFO(0, user)
ZEND_ARG_INFO(0, password)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_smbclient_state, 0)
ZEND_ARG_INFO(0, state)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_smbclient_option_get, 0)
ZEND_ARG_INFO(0, state)
ZEND_ARG_INFO(0, option)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_smbclient_option_set, 0)
ZEND_ARG_INFO(0, state)
ZEND_ARG_INFO(0, option)
ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()
#if HAVE_SMBC_SETOPTIONPROTOCOLS
ZEND_BEGIN_ARG_INFO_EX(arginfo_smbclient_client_protocols, 0, 0, 1)
ZEND_ARG_INFO(0, state)
ZEND_ARG_INFO(0, minproto)
ZEND_ARG_INFO(0, maxproto)
ZEND_END_ARG_INFO()
#endif
ZEND_BEGIN_ARG_INFO(arginfo_smbclient_path, 0)
ZEND_ARG_INFO(0, state)
ZEND_ARG_INFO(0, path)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_smbclient_rename, 0)
ZEND_ARG_INFO(0, oldstate)
ZEND_ARG_INFO(0, oldpath)
ZEND_ARG_INFO(0, oldstate)
ZEND_ARG_INFO(0, oldpath)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_smbclient_dir, 0)
ZEND_ARG_INFO(0, state)
ZEND_ARG_INFO(0, dir)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_smbclient_file, 0)
ZEND_ARG_INFO(0, state)
ZEND_ARG_INFO(0, file)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_smbclient_read, 0)
ZEND_ARG_INFO(0, state)
ZEND_ARG_INFO(0, file)
ZEND_ARG_INFO(0, count)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_smbclient_open, 0, 0, 3)
ZEND_ARG_INFO(0, state)
ZEND_ARG_INFO(0, path)
ZEND_ARG_INFO(0, flags)
ZEND_ARG_INFO(0, mode)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_smbclient_creat, 0, 0, 2)
ZEND_ARG_INFO(0, state)
ZEND_ARG_INFO(0, path)
ZEND_ARG_INFO(0, mode)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_smbclient_write, 0, 0, 3)
ZEND_ARG_INFO(0, state)
ZEND_ARG_INFO(0, file)
ZEND_ARG_INFO(0, buffer)
ZEND_ARG_INFO(0, count)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_smbclient_lseek, 0)
ZEND_ARG_INFO(0, state)
ZEND_ARG_INFO(0, file)
ZEND_ARG_INFO(0, offset)
ZEND_ARG_INFO(0, whence)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_smbclient_ftruncate, 0)
ZEND_ARG_INFO(0, state)
ZEND_ARG_INFO(0, file)
ZEND_ARG_INFO(0, offset)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_smbclient_utimes, 0)
ZEND_ARG_INFO(0, state)
ZEND_ARG_INFO(0, path)
ZEND_ARG_INFO(0, mtime)
ZEND_ARG_INFO(0, atime)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_smbclient_getxattr, 0)
ZEND_ARG_INFO(0, state)
ZEND_ARG_INFO(0, path)
ZEND_ARG_INFO(0, name)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_smbclient_setxattr, 0, 0, 4)
ZEND_ARG_INFO(0, state)
ZEND_ARG_INFO(0, path)
ZEND_ARG_INFO(0, name)
ZEND_ARG_INFO(0, value)
ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO()
/* }}} */
static zend_function_entry smbclient_functions[] =
{
PHP_FE(smbclient_version, arginfo_smbclient_void)
PHP_FE(smbclient_library_version, arginfo_smbclient_void)
PHP_FE(smbclient_state_new, arginfo_smbclient_void)
PHP_FE(smbclient_state_init, arginfo_smbclient_state_init)
PHP_FE(smbclient_state_errno, arginfo_smbclient_state)
PHP_FE(smbclient_state_free, arginfo_smbclient_state)
PHP_FE(smbclient_option_get, arginfo_smbclient_option_get)
PHP_FE(smbclient_option_set, arginfo_smbclient_option_set)
#if HAVE_SMBC_SETOPTIONPROTOCOLS
PHP_FE(smbclient_client_protocols, arginfo_smbclient_client_protocols)
#endif
PHP_FE(smbclient_opendir, arginfo_smbclient_path)
PHP_FE(smbclient_readdir, arginfo_smbclient_dir)
PHP_FE(smbclient_closedir, arginfo_smbclient_dir)
PHP_FE(smbclient_stat, arginfo_smbclient_path)
PHP_FE(smbclient_fstat, arginfo_smbclient_file)
PHP_FE(smbclient_open, arginfo_smbclient_open)
PHP_FE(smbclient_creat, arginfo_smbclient_creat)
PHP_FE(smbclient_read, arginfo_smbclient_read)
PHP_FE(smbclient_close, arginfo_smbclient_file)
PHP_FE(smbclient_mkdir, arginfo_smbclient_creat)
PHP_FE(smbclient_rmdir, arginfo_smbclient_path)
PHP_FE(smbclient_rename, arginfo_smbclient_rename)
PHP_FE(smbclient_write, arginfo_smbclient_write)
PHP_FE(smbclient_unlink, arginfo_smbclient_path)
PHP_FE(smbclient_lseek, arginfo_smbclient_lseek)
PHP_FE(smbclient_ftruncate, arginfo_smbclient_ftruncate)
PHP_FE(smbclient_chmod, arginfo_smbclient_creat)
PHP_FE(smbclient_utimes, arginfo_smbclient_utimes)
PHP_FE(smbclient_listxattr, arginfo_smbclient_path)
PHP_FE(smbclient_getxattr, arginfo_smbclient_getxattr)
PHP_FE(smbclient_setxattr, arginfo_smbclient_setxattr)
PHP_FE(smbclient_removexattr, arginfo_smbclient_getxattr)
PHP_FE(smbclient_statvfs, arginfo_smbclient_path)
PHP_FE(smbclient_fstatvfs, arginfo_smbclient_file)
#ifdef PHP_FE_END
PHP_FE_END
#else
{NULL, NULL, NULL}
#endif
};
zend_module_entry smbclient_module_entry =
{ STANDARD_MODULE_HEADER
, "smbclient" /* name */
, smbclient_functions /* functions */
, PHP_MINIT(smbclient) /* module_startup_func */
, PHP_MSHUTDOWN(smbclient) /* module_shutdown_func */
, PHP_RINIT(smbclient) /* request_startup_func */
, PHP_RSHUTDOWN(smbclient) /* request_shutdown_func */
, PHP_MINFO(smbclient) /* info_func */
, PHP_SMBCLIENT_VERSION /* version */
, PHP_MODULE_GLOBALS(smbclient)
, PHP_GINIT(smbclient) /* globals ctor */
, NULL /* globals dtor */
, NULL /* post_deactivate_func */
, STANDARD_MODULE_PROPERTIES_EX
} ;
zend_module_entry old_module_entry = {
STANDARD_MODULE_HEADER,
"libsmbclient",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
PHP_SMBCLIENT_VERSION,
STANDARD_MODULE_PROPERTIES,
};
#ifdef COMPILE_DL_SMBCLIENT
ZEND_GET_MODULE(smbclient)
#endif
static void
auth_copy (char *dst, char *src, size_t srclen, size_t maxlen)
{
if (dst == NULL || maxlen == 0) {
return;
}
if (src == NULL || srclen == 0) {
*dst = '\0';
return;
}
if (srclen < maxlen) {
memcpy(dst, src, srclen);
dst[srclen] = '\0';
return;
}
memcpy(dst, src, maxlen - 1);
dst[maxlen - 1] = '\0';
}
static void
smbclient_auth_func (SMBCCTX *ctx, const char *server, const char *share, char *wrkg, int wrkglen, char *user, int userlen, char *pass, int passlen)
{
/* Given context, server and share, return workgroup, username and password.
* String lengths are the max allowable lengths. */
php_smbclient_state *state;
if (ctx == NULL || (state = smbc_getOptionUserData(ctx)) == NULL) {
return;
}
auth_copy(wrkg, state->wrkg, (size_t)state->wrkglen, (size_t)wrkglen);
auth_copy(user, state->user, (size_t)state->userlen, (size_t)userlen);
auth_copy(pass, state->pass, (size_t)state->passlen, (size_t)passlen);
}
void
php_smbclient_state_free (php_smbclient_state *state TSRMLS_DC)
{
/* TODO: if smbc_free_context() returns 0, PHP will leak the handle: */
if (state->ctx != NULL && smbc_free_context(state->ctx, 1) != 0) {
switch (errno) {
case EBUSY: php_error(E_WARNING, "Couldn't destroy SMB context: connection in use"); break;
case EBADF: php_error(E_WARNING, "Couldn't destroy SMB context: invalid handle"); break;
default: php_error(E_WARNING, "Couldn't destroy SMB context: unknown error (%d)", errno); break;
}
}
if (state->wrkg != NULL) {
memset(state->wrkg, 0, state->wrkglen);
efree(state->wrkg);
}
if (state->user != NULL) {
memset(state->user, 0, state->userlen);
efree(state->user);
}
if (state->pass != NULL) {
memset(state->pass, 0, state->passlen);
efree(state->pass);
}
efree(state);
}
static inline void
smbclient_state_dtor (
#if PHP_MAJOR_VERSION >= 7
zend_resource *rsrc
#else
zend_rsrc_list_entry *rsrc
#endif
TSRMLS_DC)
{
php_smbclient_state_free((php_smbclient_state *)rsrc->ptr TSRMLS_CC);
}
static void
smbclient_file_dtor (
#if PHP_VERSION_ID >= 70000
zend_resource *rsrc
#else
zend_rsrc_list_entry *rsrc
#endif
TSRMLS_DC)
{
/* Because libsmbclient's file/dir close functions require a pointer to
* a context which we don't have, we cannot reliably destroy a file
* resource. One way of obtaining the context pointer could be to save
* it in a structure along with the file context, but the pointer could
* grow stale or otherwise spark a race condition. So it seems that the
* best we can do is nothing. The PHP programmer can either manually
* free the file resources, or wait for them to be cleaned up when the
* associated context is destroyed. */
}
PHP_GINIT_FUNCTION(smbclient)
{
smbclient_globals->pool_first = NULL;
}
PHP_MINIT_FUNCTION(smbclient)
{
/* Constants for smbclient_setxattr: */
REGISTER_LONG_CONSTANT("SMBCLIENT_XATTR_CREATE", SMBC_XATTR_FLAG_CREATE, CONST_PERSISTENT | CONST_CS);
REGISTER_LONG_CONSTANT("SMBCLIENT_XATTR_REPLACE", SMBC_XATTR_FLAG_REPLACE, CONST_PERSISTENT | CONST_CS);
/* Constants for getting/setting options: */
#define SMBCLIENT_CONST(x) REGISTER_LONG_CONSTANT(#x, x, CONST_PERSISTENT | CONST_CS);
SMBCLIENT_CONST(SMBCLIENT_OPT_OPEN_SHAREMODE);
SMBCLIENT_CONST(SMBCLIENT_OPT_ENCRYPT_LEVEL);
SMBCLIENT_CONST(SMBCLIENT_OPT_CASE_SENSITIVE);
SMBCLIENT_CONST(SMBCLIENT_OPT_BROWSE_MAX_LMB_COUNT);
SMBCLIENT_CONST(SMBCLIENT_OPT_URLENCODE_READDIR_ENTRIES);
SMBCLIENT_CONST(SMBCLIENT_OPT_USE_KERBEROS);
SMBCLIENT_CONST(SMBCLIENT_OPT_FALLBACK_AFTER_KERBEROS);
SMBCLIENT_CONST(SMBCLIENT_OPT_AUTO_ANONYMOUS_LOGIN);
SMBCLIENT_CONST(SMBCLIENT_OPT_USE_CCACHE);
SMBCLIENT_CONST(SMBCLIENT_OPT_USE_NT_HASH);
SMBCLIENT_CONST(SMBCLIENT_OPT_NETBIOS_NAME);
SMBCLIENT_CONST(SMBCLIENT_OPT_WORKGROUP);
SMBCLIENT_CONST(SMBCLIENT_OPT_USER);
SMBCLIENT_CONST(SMBCLIENT_OPT_PORT);
SMBCLIENT_CONST(SMBCLIENT_OPT_TIMEOUT);
#undef SMBCLIENT_CONST
/* Constants for use with SMBCLIENT_OPT_OPENSHAREMODE: */
REGISTER_LONG_CONSTANT("SMBCLIENT_SHAREMODE_DENY_DOS", SMBC_SHAREMODE_DENY_DOS, CONST_PERSISTENT | CONST_CS);
REGISTER_LONG_CONSTANT("SMBCLIENT_SHAREMODE_DENY_ALL", SMBC_SHAREMODE_DENY_ALL, CONST_PERSISTENT | CONST_CS);
REGISTER_LONG_CONSTANT("SMBCLIENT_SHAREMODE_DENY_WRITE", SMBC_SHAREMODE_DENY_WRITE, CONST_PERSISTENT | CONST_CS);
REGISTER_LONG_CONSTANT("SMBCLIENT_SHAREMODE_DENY_READ", SMBC_SHAREMODE_DENY_READ, CONST_PERSISTENT | CONST_CS);
REGISTER_LONG_CONSTANT("SMBCLIENT_SHAREMODE_DENY_NONE", SMBC_SHAREMODE_DENY_NONE, CONST_PERSISTENT | CONST_CS);
REGISTER_LONG_CONSTANT("SMBCLIENT_SHAREMODE_DENY_FCB", SMBC_SHAREMODE_DENY_FCB, CONST_PERSISTENT | CONST_CS);
/* Constants for use with SMBCLIENT_OPT_ENCRYPTLEVEL: */
REGISTER_LONG_CONSTANT("SMBCLIENT_ENCRYPTLEVEL_NONE", SMBC_ENCRYPTLEVEL_NONE, CONST_PERSISTENT | CONST_CS);
REGISTER_LONG_CONSTANT("SMBCLIENT_ENCRYPTLEVEL_REQUEST", SMBC_ENCRYPTLEVEL_REQUEST, CONST_PERSISTENT | CONST_CS);
REGISTER_LONG_CONSTANT("SMBCLIENT_ENCRYPTLEVEL_REQUIRE", SMBC_ENCRYPTLEVEL_REQUIRE, CONST_PERSISTENT | CONST_CS);
/* Constants for the VFS functions: */
REGISTER_LONG_CONSTANT("SMBCLIENT_VFS_RDONLY", SMBC_VFS_FEATURE_RDONLY, CONST_PERSISTENT | CONST_CS);
REGISTER_LONG_CONSTANT("SMBCLIENT_VFS_DFS", SMBC_VFS_FEATURE_DFS, CONST_PERSISTENT | CONST_CS);
REGISTER_LONG_CONSTANT("SMBCLIENT_VFS_CASE_INSENSITIVE", SMBC_VFS_FEATURE_CASE_INSENSITIVE, CONST_PERSISTENT | CONST_CS);
REGISTER_LONG_CONSTANT("SMBCLIENT_VFS_NO_UNIXCIFS", SMBC_VFS_FEATURE_NO_UNIXCIFS, CONST_PERSISTENT | CONST_CS);
le_smbclient_state = zend_register_list_destructors_ex(smbclient_state_dtor, NULL, PHP_SMBCLIENT_STATE_NAME, module_number);
le_smbclient_file = zend_register_list_destructors_ex(smbclient_file_dtor, NULL, PHP_SMBCLIENT_FILE_NAME, module_number);
php_register_url_stream_wrapper("smb", &php_stream_smb_wrapper TSRMLS_CC);
/* register with old name for code using extension_loaded(libsmbclient) */
zend_register_internal_module(&old_module_entry TSRMLS_CC);
return SUCCESS;
}
PHP_RINIT_FUNCTION(smbclient)
{
return SUCCESS;
}
PHP_MSHUTDOWN_FUNCTION(smbclient)
{
return SUCCESS;
}
PHP_RSHUTDOWN_FUNCTION(smbclient)
{
php_smb_pool_cleanup(TSRMLS_C);
return SUCCESS;
}
PHP_MINFO_FUNCTION(smbclient)
{
php_info_print_table_start();
php_info_print_table_row(2, "smbclient Support", "enabled");
php_info_print_table_row(2, "smbclient extension Version", PHP_SMBCLIENT_VERSION);
php_info_print_table_row(2, "libsmbclient library Version", smbc_version());
php_info_print_table_end();
}
static int
ctx_init_getauth (zval *z, char **dest, int *destlen, char *varname)
{
if (*dest != NULL) {
efree(*dest);
*dest = NULL;
}
*destlen = 0;
if (z == NULL) {
return 1;
}
switch (Z_TYPE_P(z))
{
case IS_NULL:
return 1;
#if PHP_MAJOR_VERSION >= 7
case IS_TRUE:
php_error(E_WARNING, "invalid value for %s", varname);
return 0;
case IS_FALSE:
return 1;
#else
case IS_BOOL:
if (Z_LVAL_P(z) == 1) {
php_error(E_WARNING, "invalid value for %s", varname);
return 0;
}
return 1;
#endif
case IS_STRING:
*destlen = Z_STRLEN_P(z);
*dest = estrndup(Z_STRVAL_P(z), *destlen);
return 1;
default:
php_error(E_WARNING, "invalid datatype for %s", varname);
return 0;
}
}
php_smbclient_state *
php_smbclient_state_new (php_stream_context *context, int init TSRMLS_DC)
{
php_smbclient_state *state;
SMBCCTX *ctx;
if ((ctx = smbc_new_context()) == NULL) {
switch (errno) {
case ENOMEM: php_error(E_WARNING, "Couldn't create smbclient state: insufficient memory"); break;
default: php_error(E_WARNING, "Couldn't create smbclient state: unknown error (%d)", errno); break;
};
return NULL;
}
state = emalloc(sizeof(php_smbclient_state));
state->ctx = ctx;
state->wrkg = NULL;
state->user = NULL;
state->pass = NULL;
state->wrkglen = 0;
state->userlen = 0;
state->passlen = 0;
state->err = 0;
smbc_setFunctionAuthDataWithContext(state->ctx, smbclient_auth_func);
/* Must also save a pointer to the state object inside the context, to
* find the state from the context in the auth function: */
smbc_setOptionUserData(ctx, (void *)state);
/* Force full, modern timenames when getting xattrs: */
smbc_setOptionFullTimeNames(state->ctx, 1);
if (context) {
#if PHP_MAJOR_VERSION >= 7
zval *tmpzval;
if (NULL != (tmpzval = php_stream_context_get_option(context, "smb", "workgroup"))) {
if (ctx_init_getauth(tmpzval, &state->wrkg, &state->wrkglen, "workgroup") == 0) {
php_smbclient_state_free(state);
return NULL;
}
}
if (NULL != (tmpzval = php_stream_context_get_option(context, "smb", "username"))) {
if (ctx_init_getauth(tmpzval, &state->user, &state->userlen, "username") == 0) {
php_smbclient_state_free(state);
return NULL;
}
}
if (NULL != (tmpzval = php_stream_context_get_option(context, "smb", "password"))) {
if (ctx_init_getauth(tmpzval, &state->pass, &state->passlen, "password") == 0) {
php_smbclient_state_free(state);
return NULL;
}
}
#if HAVE_SMBC_SETOPTIONPROTOCOLS
if (NULL != (tmpzval = php_stream_context_get_option(context, "smb", "minproto"))) {
smbc_setOptionProtocols(state->ctx, Z_STRVAL_P(tmpzval), NULL);
}
if (NULL != (tmpzval = php_stream_context_get_option(context, "smb", "maxproto"))) {
smbc_setOptionProtocols(state->ctx, NULL, Z_STRVAL_P(tmpzval));
}
#endif
#else
zval **tmpzval;
if (php_stream_context_get_option(context, "smb", "workgroup", &tmpzval) == SUCCESS) {
if (ctx_init_getauth(*tmpzval, &state->wrkg, &state->wrkglen, "workgroup") == 0) {
php_smbclient_state_free(state TSRMLS_CC);
return NULL;
}
}
if (php_stream_context_get_option(context, "smb", "username", &tmpzval) == SUCCESS) {
if (ctx_init_getauth(*tmpzval, &state->user, &state->userlen, "username") == 0) {
php_smbclient_state_free(state TSRMLS_CC);
return NULL;
}
}
if (php_stream_context_get_option(context, "smb", "password", &tmpzval) == SUCCESS) {
if (ctx_init_getauth(*tmpzval, &state->pass, &state->passlen, "password") == 0) {
php_smbclient_state_free(state TSRMLS_CC);
return NULL;
}
}
#if HAVE_SMBC_SETOPTIONPROTOCOLS
if (php_stream_context_get_option(context, "smb", "minproto", &tmpzval) == SUCCESS) {
smbc_setOptionProtocols(state->ctx, Z_STRVAL_PP(tmpzval), NULL);
}
if (php_stream_context_get_option(context, "smb", "maxproto", &tmpzval) == SUCCESS) {
smbc_setOptionProtocols(state->ctx, NULL, Z_STRVAL_PP(tmpzval));
}
#endif
#endif
}
if (init) {
if (php_smbclient_state_init(state TSRMLS_CC)) {
php_smbclient_state_free(state TSRMLS_CC);
return NULL;
}
}
return state;
}
PHP_FUNCTION(smbclient_state_new)
{
php_smbclient_state *state;
if (zend_parse_parameters_none() == FAILURE) {
RETURN_FALSE;
}
if ((state = php_smbclient_state_new(NULL, 0 TSRMLS_CC)) == NULL) {
RETURN_FALSE;
}
#if PHP_MAJOR_VERSION >= 7
ZVAL_RES(return_value, zend_register_resource(state, le_smbclient_state));
#else
ZEND_REGISTER_RESOURCE(return_value, state, le_smbclient_state);
#endif
}
PHP_FUNCTION(smbclient_version)
{
if (zend_parse_parameters_none() == FAILURE) {
RETURN_FALSE;
}
#if PHP_MAJOR_VERSION >= 7
RETURN_STRING(PHP_SMBCLIENT_VERSION);
#else
RETURN_STRING(PHP_SMBCLIENT_VERSION, 1);
#endif
}
PHP_FUNCTION(smbclient_library_version)
{
if (zend_parse_parameters_none() == FAILURE) {
RETURN_FALSE;
}
#if PHP_MAJOR_VERSION >= 7
RETURN_STRING(smbc_version());
#else
RETURN_STRING(smbc_version(), 1);
#endif
}
int
php_smbclient_state_init (php_smbclient_state *state TSRMLS_DC)
{
SMBCCTX *ctx;
if ((ctx = smbc_init_context(state->ctx)) != NULL) {
state->ctx = ctx;
return 0;
}
switch (state->err = errno) {
case EBADF: php_error(E_WARNING, "Couldn't init SMB context: null context given"); break;
case ENOMEM: php_error(E_WARNING, "Couldn't init SMB context: insufficient memory"); break;
case ENOENT: php_error(E_WARNING, "Couldn't init SMB context: cannot load smb.conf"); break;
default: php_error(E_WARNING, "Couldn't init SMB context: unknown error (%d)", errno); break;
}
return 1;
}
#if PHP_MAJOR_VERSION >= 7
#define SMB_FETCH_RESOURCE(_state, _type, _zval, _name, _le) \
if ((_state = (_type)zend_fetch_resource(Z_RES_P(*_zval), _name, _le)) == NULL) { \
RETURN_FALSE; \
}
#else
#define SMB_FETCH_RESOURCE(_state, _type, _zval, _name, _le) \
ZEND_FETCH_RESOURCE(_state, _type, _zval, -1, _name, _le);
#endif
#define STATE_FROM_ZSTATE \
SMB_FETCH_RESOURCE(state, php_smbclient_state *, &zstate, PHP_SMBCLIENT_STATE_NAME, le_smbclient_state); \
if (state == NULL || state->ctx == NULL) { \
php_error(E_WARNING, PHP_SMBCLIENT_STATE_NAME " not found"); \
RETURN_FALSE; \
}
#define FILE_FROM_ZFILE \
SMB_FETCH_RESOURCE(file, SMBCFILE *, &zfile, PHP_SMBCLIENT_FILE_NAME, le_smbclient_file); \
if (file == NULL) { \
php_error(E_WARNING, PHP_SMBCLIENT_FILE_NAME " not found"); \
RETURN_FALSE; \
}
PHP_FUNCTION(smbclient_state_init)
{
zval *zstate;
zval *zwrkg = NULL;
zval *zuser = NULL;
zval *zpass = NULL;
php_smbclient_state *state;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|zzz", &zstate, &zwrkg, &zuser, &zpass) != SUCCESS) {
RETURN_FALSE;
}
SMB_FETCH_RESOURCE(state, php_smbclient_state *, &zstate, PHP_SMBCLIENT_STATE_NAME, le_smbclient_state);
if (state->ctx == NULL) {
php_error(E_WARNING, "Couldn't init SMB context: context is null");
RETURN_FALSE;
}
if (ctx_init_getauth(zwrkg, &state->wrkg, &state->wrkglen, "workgroup") == 0) {
RETURN_FALSE;
}
if (ctx_init_getauth(zuser, &state->user, &state->userlen, "username") == 0) {
RETURN_FALSE;
}
if (ctx_init_getauth(zpass, &state->pass, &state->passlen, "password") == 0) {
RETURN_FALSE;
}
if (php_smbclient_state_init(state TSRMLS_CC)) {
RETURN_FALSE;
}
RETURN_TRUE;
}
PHP_FUNCTION(smbclient_state_errno)
{
zval *zstate;
php_smbclient_state *state;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zstate) != SUCCESS) {
RETURN_LONG(0);
}
SMB_FETCH_RESOURCE(state, php_smbclient_state *, &zstate, PHP_SMBCLIENT_STATE_NAME, le_smbclient_state);
RETURN_LONG(state->err);
}
PHP_FUNCTION(smbclient_state_free)
{
zval *zstate;
php_smbclient_state *state;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zstate) != SUCCESS) {
RETURN_FALSE;
}
SMB_FETCH_RESOURCE(state, php_smbclient_state *, &zstate, PHP_SMBCLIENT_STATE_NAME, le_smbclient_state);
if (state->ctx == NULL) {
#if PHP_MAJOR_VERSION >= 7
zend_list_close(Z_RES_P(zstate));
#else
zend_list_delete(Z_LVAL_P(zstate));
#endif
RETURN_TRUE;
}
if (smbc_free_context(state->ctx, 1) == 0) {
state->ctx = NULL;
#if PHP_MAJOR_VERSION >= 7
zend_list_close(Z_RES_P(zstate));
#else
zend_list_delete(Z_LVAL_P(zstate));
#endif
RETURN_TRUE;
}
switch (state->err = errno) {
case EBUSY: php_error(E_WARNING, "Couldn't destroy smbclient state: connection in use"); break;
case EBADF: php_error(E_WARNING, "Couldn't destroy smbclient state: invalid handle"); break;
default: php_error(E_WARNING, "Couldn't destroy smbclient state: unknown error (%d)", errno); break;
}
RETURN_FALSE;
}
PHP_FUNCTION(smbclient_opendir)
{
char *path;
strsize_t path_len;
zval *zstate;
SMBCFILE *dir;
smbc_opendir_fn smbc_opendir;
php_smbclient_state *state;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs", &zstate, &path, &path_len) == FAILURE) {
return;
}
STATE_FROM_ZSTATE;
if ((smbc_opendir = smbc_getFunctionOpendir(state->ctx)) == NULL) {
RETURN_FALSE;
}
if ((dir = smbc_opendir(state->ctx, path)) != NULL) {
#if PHP_MAJOR_VERSION >= 7
ZVAL_RES(return_value, zend_register_resource(dir, le_smbclient_file));
#else
ZEND_REGISTER_RESOURCE(return_value, dir, le_smbclient_file);
#endif
return;
}
hide_password(path, path_len);
switch (state->err = errno) {
case EACCES: php_error(E_WARNING, "Couldn't open SMB directory %s: Permission denied", path); break;
case EINVAL: php_error(E_WARNING, "Couldn't open SMB directory %s: Invalid URL", path); break;
case ENOENT: php_error(E_WARNING, "Couldn't open SMB directory %s: Path does not exist", path); break;
case ENOMEM: php_error(E_WARNING, "Couldn't open SMB directory %s: Insufficient memory", path); break;
case ENOTDIR: php_error(E_WARNING, "Couldn't open SMB directory %s: Not a directory", path); break;
case EPERM: php_error(E_WARNING, "Couldn't open SMB directory %s: Workgroup not found", path); break;
case ENODEV: php_error(E_WARNING, "Couldn't open SMB directory %s: Workgroup or server not found", path); break;
default: php_error(E_WARNING, "Couldn't open SMB directory %s: unknown error (%d)", path, errno); break;
}
RETURN_FALSE;
}
static char *
type_to_string (unsigned int type)
{
switch (type) {
case SMBC_WORKGROUP: return "workgroup";
case SMBC_SERVER: return "server";
case SMBC_FILE_SHARE: return "file share";
case SMBC_PRINTER_SHARE: return "printer share";
case SMBC_COMMS_SHARE: return "communication share";
case SMBC_IPC_SHARE: return "IPC share";
case SMBC_DIR: return "directory";
case SMBC_FILE: return "file";
case SMBC_LINK: return "link";
}
return "unknown";
}
PHP_FUNCTION(smbclient_readdir)
{
struct smbc_dirent *dirent;
zval *zstate;
zval *zfile;
SMBCFILE *file;
smbc_readdir_fn smbc_readdir;
php_smbclient_state *state;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr", &zstate, &zfile) == FAILURE) {
return;
}
STATE_FROM_ZSTATE;
FILE_FROM_ZFILE;
if ((smbc_readdir = smbc_getFunctionReaddir(state->ctx)) == NULL) {
RETURN_FALSE;
}
errno = 0;
if ((dirent = smbc_readdir(state->ctx, file)) == NULL) {
switch (state->err = errno) {
case 0: RETURN_FALSE;
case EBADF: php_error(E_WARNING, "Couldn't read " PHP_SMBCLIENT_FILE_NAME ": Not a directory resource"); break;
case EINVAL: php_error(E_WARNING, "Couldn't read " PHP_SMBCLIENT_FILE_NAME ": State resource not initialized"); break;
default: php_error(E_WARNING, "Couldn't read " PHP_SMBCLIENT_FILE_NAME ": unknown error (%d)", errno); break;
}
RETURN_FALSE;
}
array_init(return_value);
#if PHP_MAJOR_VERSION >= 7
add_assoc_string(return_value, "type", type_to_string(dirent->smbc_type));
add_assoc_stringl(return_value, "comment", dirent->comment, dirent->commentlen);
add_assoc_stringl(return_value, "name", dirent->name, dirent->namelen);
#else
add_assoc_string(return_value, "type", type_to_string(dirent->smbc_type), 1);
add_assoc_stringl(return_value, "comment", dirent->comment, dirent->commentlen, 1);
add_assoc_stringl(return_value, "name", dirent->name, dirent->namelen, 1);
#endif
}
PHP_FUNCTION(smbclient_closedir)
{
zval *zstate;
zval *zfile;
SMBCFILE *file;
smbc_closedir_fn smbc_closedir;
php_smbclient_state *state;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr", &zstate, &zfile) == FAILURE) {
return;
}
STATE_FROM_ZSTATE;
FILE_FROM_ZFILE;
if ((smbc_closedir = smbc_getFunctionClosedir(state->ctx)) == NULL) {
RETURN_FALSE;
}
if (smbc_closedir(state->ctx, file) == 0) {
#if PHP_MAJOR_VERSION >= 7
zend_list_close(Z_RES_P(zfile));
#else
zend_list_delete(Z_LVAL_P(zfile));
#endif
RETURN_TRUE;
}
switch (state->err = errno) {
case EBADF: php_error(E_WARNING, "Couldn't close " PHP_SMBCLIENT_FILE_NAME ": Not a directory resource"); break;
default: php_error(E_WARNING, "Couldn't close " PHP_SMBCLIENT_FILE_NAME ": unknown error (%d)", errno); break;
}
RETURN_FALSE;
}
PHP_FUNCTION(smbclient_rename)
{
char *ourl, *nurl;
strsize_t ourl_len, nurl_len;
zval *zstate_old;
zval *zstate_new;
smbc_rename_fn smbc_rename;
php_smbclient_state *state_old;
php_smbclient_state *state_new;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rsrs", &zstate_old, &ourl, &ourl_len, &zstate_new, &nurl, &nurl_len) == FAILURE) {
return;
}
SMB_FETCH_RESOURCE(state_old, php_smbclient_state *, &zstate_old, PHP_SMBCLIENT_STATE_NAME, le_smbclient_state);
SMB_FETCH_RESOURCE(state_new, php_smbclient_state *, &zstate_new, PHP_SMBCLIENT_STATE_NAME, le_smbclient_state);
if (state_old == NULL || state_old->ctx == NULL) {
php_error(E_WARNING, "old " PHP_SMBCLIENT_STATE_NAME " is null");
RETURN_FALSE;
}
if (state_new == NULL || state_new->ctx == NULL) {
php_error(E_WARNING, "new " PHP_SMBCLIENT_STATE_NAME " is null");
RETURN_FALSE;
}
if ((smbc_rename = smbc_getFunctionRename(state_old->ctx)) == NULL) {
RETURN_FALSE;
}
if (smbc_rename(state_old->ctx, ourl, state_new->ctx, nurl) == 0) {
RETURN_TRUE;
}
hide_password(ourl, ourl_len);
switch (state_old->err = errno) {
case EISDIR: php_error(E_WARNING, "Couldn't rename SMB directory %s: existing url is not a directory", ourl); break;
case EACCES: php_error(E_WARNING, "Couldn't open SMB directory %s: Permission denied", ourl); break;
case EINVAL: php_error(E_WARNING, "Couldn't open SMB directory %s: Invalid URL", ourl); break;
case ENOENT: php_error(E_WARNING, "Couldn't open SMB directory %s: Path does not exist", ourl); break;
case ENOMEM: php_error(E_WARNING, "Couldn't open SMB directory %s: Insufficient memory", ourl); break;
case ENOTDIR: php_error(E_WARNING, "Couldn't open SMB directory %s: Not a directory", ourl); break;