/* +----------------------------------------------------------------------+ | PHP Version 5 | +----------------------------------------------------------------------+ | Copyright (c) 1997-2012 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. | +----------------------------------------------------------------------+ | Authors: Rasmus Lerdorf | | Stig Bakken | | Andi Gutmans | | Zeev Suraski | | PHP 4.0 patches by Thies C. Arntzen (thies@thieso.net) | | PHP streams by Wez Furlong (wez@thebrainroom.com) | +----------------------------------------------------------------------+ */ /* $Id$ */ /* Synced with php 3.0 revision 1.218 1999-06-16 [ssb] */ /* {{{ includes */ #include "php.h" #include "php_globals.h" #include "ext/standard/flock_compat.h" #include "ext/standard/exec.h" #include "ext/standard/php_filestat.h" #include "php_open_temporary_file.h" #include "ext/standard/basic_functions.h" #include "php_ini.h" #include "php_smart_str.h" #include #include #include #include #include #include #ifdef PHP_WIN32 # include # define O_RDONLY _O_RDONLY # include "win32/param.h" # include "win32/winutil.h" # include "win32/fnmatch.h" #else # if HAVE_SYS_PARAM_H # include # endif # if HAVE_SYS_SELECT_H # include # endif # if defined(NETWARE) && defined(USE_WINSOCK) # include # else # include # include # include # endif # if HAVE_ARPA_INET_H # include # endif #endif #include "ext/standard/head.h" #include "safe_mode.h" #include "php_string.h" #include "file.h" #if HAVE_PWD_H # ifdef PHP_WIN32 # include "win32/pwd.h" # else # include # endif #endif #ifdef HAVE_SYS_TIME_H # include #endif #include "fsock.h" #include "fopen_wrappers.h" #include "streamsfuncs.h" #include "php_globals.h" #ifdef HAVE_SYS_FILE_H # include #endif #if MISSING_FCLOSE_DECL extern int fclose(FILE *); #endif #ifdef HAVE_SYS_MMAN_H # include #endif #include "scanf.h" #include "zend_API.h" #ifdef ZTS int file_globals_id; #else php_file_globals file_globals; #endif #if defined(HAVE_FNMATCH) && !defined(PHP_WIN32) # ifndef _GNU_SOURCE # define _GNU_SOURCE # endif # include #endif #ifdef HAVE_WCHAR_H # include #endif #ifndef S_ISDIR # define S_ISDIR(mode) (((mode)&S_IFMT) == S_IFDIR) #endif /* }}} */ #define PHP_STREAM_TO_ZVAL(stream, arg) \ php_stream_from_zval_no_verify(stream, arg); \ if (stream == NULL) { \ RETURN_FALSE; \ } /* {{{ ZTS-stuff / Globals / Prototypes */ /* sharing globals is *evil* */ static int le_stream_context = FAILURE; PHPAPI int php_le_stream_context(void) { return le_stream_context; } /* }}} */ /* {{{ Module-Stuff */ static ZEND_RSRC_DTOR_FUNC(file_context_dtor) { php_stream_context *context = (php_stream_context*)rsrc->ptr; if (context->options) { zval_ptr_dtor(&context->options); context->options = NULL; } php_stream_context_free(context); } static void file_globals_ctor(php_file_globals *file_globals_p TSRMLS_DC) { FG(pclose_ret) = 0; FG(user_stream_current_filename) = NULL; FG(def_chunk_size) = PHP_SOCK_CHUNK_SIZE; } static void file_globals_dtor(php_file_globals *file_globals_p TSRMLS_DC) { } PHP_INI_BEGIN() STD_PHP_INI_ENTRY("user_agent", NULL, PHP_INI_ALL, OnUpdateString, user_agent, php_file_globals, file_globals) PHP_INI_ENTRY("from", NULL, PHP_INI_ALL, NULL) STD_PHP_INI_ENTRY("default_socket_timeout", "60", PHP_INI_ALL, OnUpdateLong, default_socket_timeout, php_file_globals, file_globals) STD_PHP_INI_ENTRY("auto_detect_line_endings", "0", PHP_INI_ALL, OnUpdateLong, auto_detect_line_endings, php_file_globals, file_globals) PHP_INI_END() PHP_MINIT_FUNCTION(file) { le_stream_context = zend_register_list_destructors_ex(file_context_dtor, NULL, "stream-context", module_number); #ifdef ZTS ts_allocate_id(&file_globals_id, sizeof(php_file_globals), (ts_allocate_ctor) file_globals_ctor, (ts_allocate_dtor) file_globals_dtor); #else file_globals_ctor(&file_globals TSRMLS_CC); #endif REGISTER_INI_ENTRIES(); REGISTER_LONG_CONSTANT("SEEK_SET", SEEK_SET, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SEEK_CUR", SEEK_CUR, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SEEK_END", SEEK_END, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("LOCK_SH", PHP_LOCK_SH, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("LOCK_EX", PHP_LOCK_EX, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("LOCK_UN", PHP_LOCK_UN, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("LOCK_NB", PHP_LOCK_NB, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_NOTIFY_CONNECT", PHP_STREAM_NOTIFY_CONNECT, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_NOTIFY_AUTH_REQUIRED", PHP_STREAM_NOTIFY_AUTH_REQUIRED, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_NOTIFY_AUTH_RESULT", PHP_STREAM_NOTIFY_AUTH_RESULT, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_NOTIFY_MIME_TYPE_IS", PHP_STREAM_NOTIFY_MIME_TYPE_IS, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_NOTIFY_FILE_SIZE_IS", PHP_STREAM_NOTIFY_FILE_SIZE_IS, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_NOTIFY_REDIRECTED", PHP_STREAM_NOTIFY_REDIRECTED, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_NOTIFY_PROGRESS", PHP_STREAM_NOTIFY_PROGRESS, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_NOTIFY_FAILURE", PHP_STREAM_NOTIFY_FAILURE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_NOTIFY_COMPLETED", PHP_STREAM_NOTIFY_COMPLETED, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_NOTIFY_RESOLVE", PHP_STREAM_NOTIFY_RESOLVE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_INFO", PHP_STREAM_NOTIFY_SEVERITY_INFO, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_WARN", PHP_STREAM_NOTIFY_SEVERITY_WARN, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_ERR", PHP_STREAM_NOTIFY_SEVERITY_ERR, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_FILTER_READ", PHP_STREAM_FILTER_READ, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_FILTER_WRITE", PHP_STREAM_FILTER_WRITE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_FILTER_ALL", PHP_STREAM_FILTER_ALL, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_CLIENT_PERSISTENT", PHP_STREAM_CLIENT_PERSISTENT, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_CLIENT_ASYNC_CONNECT", PHP_STREAM_CLIENT_ASYNC_CONNECT, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_CLIENT_CONNECT", PHP_STREAM_CLIENT_CONNECT, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_CLIENT", STREAM_CRYPTO_METHOD_SSLv2_CLIENT, CONST_CS|CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_CLIENT", STREAM_CRYPTO_METHOD_SSLv3_CLIENT, CONST_CS|CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_CLIENT", STREAM_CRYPTO_METHOD_SSLv23_CLIENT, CONST_CS|CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_CLIENT", STREAM_CRYPTO_METHOD_TLS_CLIENT, CONST_CS|CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_SERVER", STREAM_CRYPTO_METHOD_SSLv2_SERVER, CONST_CS|CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_SERVER", STREAM_CRYPTO_METHOD_SSLv3_SERVER, CONST_CS|CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_SERVER", STREAM_CRYPTO_METHOD_SSLv23_SERVER, CONST_CS|CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_SERVER", STREAM_CRYPTO_METHOD_TLS_SERVER, CONST_CS|CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_SHUT_RD", STREAM_SHUT_RD, CONST_CS|CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_SHUT_WR", STREAM_SHUT_WR, CONST_CS|CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_SHUT_RDWR", STREAM_SHUT_RDWR, CONST_CS|CONST_PERSISTENT); #ifdef PF_INET REGISTER_LONG_CONSTANT("STREAM_PF_INET", PF_INET, CONST_CS|CONST_PERSISTENT); #elif defined(AF_INET) REGISTER_LONG_CONSTANT("STREAM_PF_INET", AF_INET, CONST_CS|CONST_PERSISTENT); #endif #ifdef PF_INET6 REGISTER_LONG_CONSTANT("STREAM_PF_INET6", PF_INET6, CONST_CS|CONST_PERSISTENT); #elif defined(AF_INET6) REGISTER_LONG_CONSTANT("STREAM_PF_INET6", AF_INET6, CONST_CS|CONST_PERSISTENT); #endif #ifdef PF_UNIX REGISTER_LONG_CONSTANT("STREAM_PF_UNIX", PF_UNIX, CONST_CS|CONST_PERSISTENT); #elif defined(AF_UNIX) REGISTER_LONG_CONSTANT("STREAM_PF_UNIX", AF_UNIX, CONST_CS|CONST_PERSISTENT); #endif #ifdef IPPROTO_IP /* most people will use this one when calling socket() or socketpair() */ REGISTER_LONG_CONSTANT("STREAM_IPPROTO_IP", IPPROTO_IP, CONST_CS|CONST_PERSISTENT); #endif #ifdef IPPROTO_TCP REGISTER_LONG_CONSTANT("STREAM_IPPROTO_TCP", IPPROTO_TCP, CONST_CS|CONST_PERSISTENT); #endif #ifdef IPPROTO_UDP REGISTER_LONG_CONSTANT("STREAM_IPPROTO_UDP", IPPROTO_UDP, CONST_CS|CONST_PERSISTENT); #endif #ifdef IPPROTO_ICMP REGISTER_LONG_CONSTANT("STREAM_IPPROTO_ICMP", IPPROTO_ICMP, CONST_CS|CONST_PERSISTENT); #endif #ifdef IPPROTO_RAW REGISTER_LONG_CONSTANT("STREAM_IPPROTO_RAW", IPPROTO_RAW, CONST_CS|CONST_PERSISTENT); #endif REGISTER_LONG_CONSTANT("STREAM_SOCK_STREAM", SOCK_STREAM, CONST_CS|CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_SOCK_DGRAM", SOCK_DGRAM, CONST_CS|CONST_PERSISTENT); #ifdef SOCK_RAW REGISTER_LONG_CONSTANT("STREAM_SOCK_RAW", SOCK_RAW, CONST_CS|CONST_PERSISTENT); #endif #ifdef SOCK_SEQPACKET REGISTER_LONG_CONSTANT("STREAM_SOCK_SEQPACKET", SOCK_SEQPACKET, CONST_CS|CONST_PERSISTENT); #endif #ifdef SOCK_RDM REGISTER_LONG_CONSTANT("STREAM_SOCK_RDM", SOCK_RDM, CONST_CS|CONST_PERSISTENT); #endif REGISTER_LONG_CONSTANT("STREAM_PEEK", STREAM_PEEK, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_OOB", STREAM_OOB, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_SERVER_BIND", STREAM_XPORT_BIND, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("STREAM_SERVER_LISTEN", STREAM_XPORT_LISTEN, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("FILE_USE_INCLUDE_PATH", PHP_FILE_USE_INCLUDE_PATH, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("FILE_IGNORE_NEW_LINES", PHP_FILE_IGNORE_NEW_LINES, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("FILE_SKIP_EMPTY_LINES", PHP_FILE_SKIP_EMPTY_LINES, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("FILE_APPEND", PHP_FILE_APPEND, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("FILE_NO_DEFAULT_CONTEXT", PHP_FILE_NO_DEFAULT_CONTEXT, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("FILE_TEXT", 0, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("FILE_BINARY", 0, CONST_CS | CONST_PERSISTENT); #ifdef HAVE_FNMATCH REGISTER_LONG_CONSTANT("FNM_NOESCAPE", FNM_NOESCAPE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("FNM_PATHNAME", FNM_PATHNAME, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("FNM_PERIOD", FNM_PERIOD, CONST_CS | CONST_PERSISTENT); # ifdef FNM_CASEFOLD /* a GNU extension */ /* TODO emulate if not available */ REGISTER_LONG_CONSTANT("FNM_CASEFOLD", FNM_CASEFOLD, CONST_CS | CONST_PERSISTENT); # endif #endif return SUCCESS; } /* }}} */ PHP_MSHUTDOWN_FUNCTION(file) /* {{{ */ { #ifndef ZTS file_globals_dtor(&file_globals TSRMLS_CC); #endif return SUCCESS; } /* }}} */ static int flock_values[] = { LOCK_SH, LOCK_EX, LOCK_UN }; /* {{{ proto bool flock(resource fp, int operation [, int &wouldblock]) Portable file locking */ PHP_FUNCTION(flock) { zval *arg1, *arg3 = NULL; int act; php_stream *stream; long operation = 0; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|z", &arg1, &operation, &arg3) == FAILURE) { return; } PHP_STREAM_TO_ZVAL(stream, &arg1); act = operation & 3; if (act < 1 || act > 3) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Illegal operation argument"); RETURN_FALSE; } if (arg3 && PZVAL_IS_REF(arg3)) { convert_to_long_ex(&arg3); Z_LVAL_P(arg3) = 0; } /* flock_values contains all possible actions if (operation & 4) we won't block on the lock */ act = flock_values[act - 1] | (operation & PHP_LOCK_NB ? LOCK_NB : 0); if (php_stream_lock(stream, act)) { if (operation && errno == EWOULDBLOCK && arg3 && PZVAL_IS_REF(arg3)) { Z_LVAL_P(arg3) = 1; } RETURN_FALSE; } RETURN_TRUE; } /* }}} */ #define PHP_META_UNSAFE ".\\+*?[^]$() " /* {{{ proto array get_meta_tags(string filename [, bool use_include_path]) Extracts all meta tag content attributes from a file and returns an array */ PHP_FUNCTION(get_meta_tags) { char *filename; int filename_len; zend_bool use_include_path = 0; int in_tag = 0, done = 0; int looking_for_val = 0, have_name = 0, have_content = 0; int saw_name = 0, saw_content = 0; char *name = NULL, *value = NULL, *temp = NULL; php_meta_tags_token tok, tok_last; php_meta_tags_data md; /* Initiailize our structure */ memset(&md, 0, sizeof(md)); /* Parse arguments */ if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|b", &filename, &filename_len, &use_include_path) == FAILURE) { return; } if (strlen(filename) != filename_len) { RETURN_FALSE; } md.stream = php_stream_open_wrapper(filename, "rb", (use_include_path ? USE_PATH : 0) | ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL); if (!md.stream) { RETURN_FALSE; } array_init(return_value); tok_last = TOK_EOF; while (!done && (tok = php_next_meta_token(&md TSRMLS_CC)) != TOK_EOF) { if (tok == TOK_ID) { if (tok_last == TOK_OPENTAG) { md.in_meta = !strcasecmp("meta", md.token_data); } else if (tok_last == TOK_SLASH && in_tag) { if (strcasecmp("head", md.token_data) == 0) { /* We are done here! */ done = 1; } } else if (tok_last == TOK_EQUAL && looking_for_val) { if (saw_name) { STR_FREE(name); /* Get the NAME attr (Single word attr, non-quoted) */ temp = name = estrndup(md.token_data, md.token_len); while (temp && *temp) { if (strchr(PHP_META_UNSAFE, *temp)) { *temp = '_'; } temp++; } have_name = 1; } else if (saw_content) { STR_FREE(value); /* Get the CONTENT attr (Single word attr, non-quoted) */ if (PG(magic_quotes_runtime)) { value = php_addslashes(md.token_data, 0, &md.token_len, 0 TSRMLS_CC); } else { value = estrndup(md.token_data, md.token_len); } have_content = 1; } looking_for_val = 0; } else { if (md.in_meta) { if (strcasecmp("name", md.token_data) == 0) { saw_name = 1; saw_content = 0; looking_for_val = 1; } else if (strcasecmp("content", md.token_data) == 0) { saw_name = 0; saw_content = 1; looking_for_val = 1; } } } } else if (tok == TOK_STRING && tok_last == TOK_EQUAL && looking_for_val) { if (saw_name) { STR_FREE(name); /* Get the NAME attr (Quoted single/double) */ temp = name = estrndup(md.token_data, md.token_len); while (temp && *temp) { if (strchr(PHP_META_UNSAFE, *temp)) { *temp = '_'; } temp++; } have_name = 1; } else if (saw_content) { STR_FREE(value); /* Get the CONTENT attr (Single word attr, non-quoted) */ if (PG(magic_quotes_runtime)) { value = php_addslashes(md.token_data, 0, &md.token_len, 0 TSRMLS_CC); } else { value = estrndup(md.token_data, md.token_len); } have_content = 1; } looking_for_val = 0; } else if (tok == TOK_OPENTAG) { if (looking_for_val) { looking_for_val = 0; have_name = saw_name = 0; have_content = saw_content = 0; } in_tag = 1; } else if (tok == TOK_CLOSETAG) { if (have_name) { /* For BC */ php_strtolower(name, strlen(name)); if (have_content) { add_assoc_string(return_value, name, value, 1); } else { add_assoc_string(return_value, name, "", 1); } efree(name); STR_FREE(value); } else if (have_content) { efree(value); } name = value = NULL; /* Reset all of our flags */ in_tag = looking_for_val = 0; have_name = saw_name = 0; have_content = saw_content = 0; md.in_meta = 0; } tok_last = tok; if (md.token_data) efree(md.token_data); md.token_data = NULL; } STR_FREE(value); STR_FREE(name); php_stream_close(md.stream); } /* }}} */ /* {{{ proto string file_get_contents(string filename [, bool use_include_path [, resource context [, long offset [, long maxlen]]]]) Read the entire file into a string */ PHP_FUNCTION(file_get_contents) { char *filename; int filename_len; char *contents; zend_bool use_include_path = 0; php_stream *stream; int len; long offset = -1; long maxlen = PHP_STREAM_COPY_ALL; zval *zcontext = NULL; php_stream_context *context = NULL; /* Parse arguments */ if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|br!ll", &filename, &filename_len, &use_include_path, &zcontext, &offset, &maxlen) == FAILURE) { return; } if (strlen(filename) != filename_len) { RETURN_FALSE; } if (ZEND_NUM_ARGS() == 5 && maxlen < 0) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "length must be greater than or equal to zero"); RETURN_FALSE; } context = php_stream_context_from_zval(zcontext, 0); stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL, context); if (!stream) { RETURN_FALSE; } if (offset > 0 && php_stream_seek(stream, offset, SEEK_SET) < 0) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to seek to position %ld in the stream", offset); php_stream_close(stream); RETURN_FALSE; } if ((len = php_stream_copy_to_mem(stream, &contents, maxlen, 0)) > 0) { if (PG(magic_quotes_runtime)) { contents = php_addslashes(contents, len, &len, 1 TSRMLS_CC); /* 1 = free source string */ } RETVAL_STRINGL(contents, len, 0); } else if (len == 0) { RETVAL_EMPTY_STRING(); } else { RETVAL_FALSE; } php_stream_close(stream); } /* }}} */ /* {{{ proto int file_put_contents(string file, mixed data [, int flags [, resource context]]) Write/Create a file with contents data and return the number of bytes written */ PHP_FUNCTION(file_put_contents) { php_stream *stream; char *filename; int filename_len; zval *data; int numbytes = 0; long flags = 0; zval *zcontext = NULL; php_stream_context *context = NULL; php_stream *srcstream = NULL; char mode[3] = "wb"; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sz/|lr!", &filename, &filename_len, &data, &flags, &zcontext) == FAILURE) { return; } if (strlen(filename) != filename_len) { RETURN_FALSE; } if (Z_TYPE_P(data) == IS_RESOURCE) { php_stream_from_zval(srcstream, &data); } context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT); if (flags & PHP_FILE_APPEND) { mode[0] = 'a'; } else if (flags & LOCK_EX) { /* check to make sure we are dealing with a regular file */ if (php_memnstr(filename, "://", sizeof("://") - 1, filename + filename_len)) { if (strncasecmp(filename, "file://", sizeof("file://") - 1)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Exclusive locks may only be set for regular files"); RETURN_FALSE; } } mode[0] = 'c'; } mode[2] = '\0'; stream = php_stream_open_wrapper_ex(filename, mode, ((flags & PHP_FILE_USE_INCLUDE_PATH) ? USE_PATH : 0) | ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL, context); if (stream == NULL) { RETURN_FALSE; } if (flags & LOCK_EX && (!php_stream_supports_lock(stream) || php_stream_lock(stream, LOCK_EX))) { php_stream_close(stream); php_error_docref(NULL TSRMLS_CC, E_WARNING, "Exclusive locks are not supported for this stream"); RETURN_FALSE; } if (mode[0] == 'c') { php_stream_truncate_set_size(stream, 0); } switch (Z_TYPE_P(data)) { case IS_RESOURCE: { size_t len; if (php_stream_copy_to_stream_ex(srcstream, stream, PHP_STREAM_COPY_ALL, &len) != SUCCESS) { numbytes = -1; } else { numbytes = len; } break; } case IS_NULL: case IS_LONG: case IS_DOUBLE: case IS_BOOL: case IS_CONSTANT: convert_to_string_ex(&data); case IS_STRING: if (Z_STRLEN_P(data)) { numbytes = php_stream_write(stream, Z_STRVAL_P(data), Z_STRLEN_P(data)); if (numbytes != Z_STRLEN_P(data)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only %d of %d bytes written, possibly out of free disk space", numbytes, Z_STRLEN_P(data)); numbytes = -1; } } break; case IS_ARRAY: if (zend_hash_num_elements(Z_ARRVAL_P(data))) { int bytes_written; zval **tmp; HashPosition pos; zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(data), &pos); while (zend_hash_get_current_data_ex(Z_ARRVAL_P(data), (void **) &tmp, &pos) == SUCCESS) { if (Z_TYPE_PP(tmp) != IS_STRING) { SEPARATE_ZVAL(tmp); convert_to_string(*tmp); } if (Z_STRLEN_PP(tmp)) { numbytes += Z_STRLEN_PP(tmp); bytes_written = php_stream_write(stream, Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp)); if (bytes_written < 0 || bytes_written != Z_STRLEN_PP(tmp)) { if (bytes_written < 0) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to write %d bytes to %s", Z_STRLEN_PP(tmp), filename); } else { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only %d of %d bytes written, possibly out of free disk space", bytes_written, Z_STRLEN_PP(tmp)); } numbytes = -1; break; } } zend_hash_move_forward_ex(Z_ARRVAL_P(data), &pos); } } break; case IS_OBJECT: if (Z_OBJ_HT_P(data) != NULL) { zval out; if (zend_std_cast_object_tostring(data, &out, IS_STRING TSRMLS_CC) == SUCCESS) { numbytes = php_stream_write(stream, Z_STRVAL(out), Z_STRLEN(out)); if (numbytes != Z_STRLEN(out)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only %d of %d bytes written, possibly out of free disk space", numbytes, Z_STRLEN(out)); numbytes = -1; } zval_dtor(&out); break; } } default: numbytes = -1; break; } php_stream_close(stream); if (numbytes < 0) { RETURN_FALSE; } RETURN_LONG(numbytes); } /* }}} */ #define PHP_FILE_BUF_SIZE 80 /* {{{ proto array file(string filename [, int flags[, resource context]]) Read entire file into an array */ PHP_FUNCTION(file) { char *filename; int filename_len; char *slashed, *target_buf=NULL, *p, *s, *e; register int i = 0; int target_len, len; char eol_marker = '\n'; long flags = 0; zend_bool use_include_path; zend_bool include_new_line; zend_bool skip_blank_lines; php_stream *stream; zval *zcontext = NULL; php_stream_context *context = NULL; /* Parse arguments */ if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|lr!", &filename, &filename_len, &flags, &zcontext) == FAILURE) { return; } if (strlen(filename) != filename_len) { RETURN_FALSE; } if (flags < 0 || flags > (PHP_FILE_USE_INCLUDE_PATH | PHP_FILE_IGNORE_NEW_LINES | PHP_FILE_SKIP_EMPTY_LINES | PHP_FILE_NO_DEFAULT_CONTEXT)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%ld' flag is not supported", flags); RETURN_FALSE; } use_include_path = flags & PHP_FILE_USE_INCLUDE_PATH; include_new_line = !(flags & PHP_FILE_IGNORE_NEW_LINES); skip_blank_lines = flags & PHP_FILE_SKIP_EMPTY_LINES; context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT); stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL, context); if (!stream) { RETURN_FALSE; } /* Initialize return array */ array_init(return_value); if ((target_len = php_stream_copy_to_mem(stream, &target_buf, PHP_STREAM_COPY_ALL, 0))) { s = target_buf; e = target_buf + target_len; if (!(p = php_stream_locate_eol(stream, target_buf, target_len TSRMLS_CC))) { p = e; goto parse_eol; } if (stream->flags & PHP_STREAM_FLAG_EOL_MAC) { eol_marker = '\r'; } /* for performance reasons the code is duplicated, so that the if (include_new_line) * will not need to be done for every single line in the file. */ if (include_new_line) { do { p++; parse_eol: if (PG(magic_quotes_runtime)) { /* s is in target_buf which is freed at the end of the function */ slashed = php_addslashes(s, (p-s), &len, 0 TSRMLS_CC); add_index_stringl(return_value, i++, slashed, len, 0); } else { add_index_stringl(return_value, i++, estrndup(s, p-s), p-s, 0); } s = p; } while ((p = memchr(p, eol_marker, (e-p)))); } else { do { int windows_eol = 0; if (p != target_buf && eol_marker == '\n' && *(p - 1) == '\r') { windows_eol++; } if (skip_blank_lines && !(p-s-windows_eol)) { s = ++p; continue; } if (PG(magic_quotes_runtime)) { /* s is in target_buf which is freed at the end of the function */ slashed = php_addslashes(s, (p-s-windows_eol), &len, 0 TSRMLS_CC); add_index_stringl(return_value, i++, slashed, len, 0); } else { add_index_stringl(return_value, i++, estrndup(s, p-s-windows_eol), p-s-windows_eol, 0); } s = ++p; } while ((p = memchr(p, eol_marker, (e-p)))); } /* handle any left overs of files without new lines */ if (s != e) { p = e; goto parse_eol; } } if (target_buf) { efree(target_buf); } php_stream_close(stream); } /* }}} */ /* {{{ proto string tempnam(string dir, string prefix) Create a unique filename in a directory */ PHP_FUNCTION(tempnam) { char *dir, *prefix; int dir_len, prefix_len; size_t p_len; char *opened_path; char *p; int fd; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &dir, &dir_len, &prefix, &prefix_len) == FAILURE) { return; } if (strlen(dir) != dir_len) { RETURN_FALSE; } if (strlen(prefix) != prefix_len) { RETURN_FALSE; } if (PG(safe_mode) &&(!php_checkuid(dir, NULL, CHECKUID_CHECK_FILE_AND_DIR))) { RETURN_FALSE; } if (php_check_open_basedir(dir TSRMLS_CC)) { RETURN_FALSE; } php_basename(prefix, prefix_len, NULL, 0, &p, &p_len TSRMLS_CC); if (p_len > 64) { p[63] = '\0'; } RETVAL_FALSE; if ((fd = php_open_temporary_fd_ex(dir, p, &opened_path, 1 TSRMLS_CC)) >= 0) { close(fd); RETVAL_STRING(opened_path, 0); } efree(p); } /* }}} */ /* {{{ proto resource tmpfile(void) Create a temporary file that will be deleted automatically after use */ PHP_NAMED_FUNCTION(php_if_tmpfile) { php_stream *stream; if (zend_parse_parameters_none() == FAILURE) { return; } stream = php_stream_fopen_tmpfile(); if (stream) { php_stream_to_zval(stream, return_value); } else { RETURN_FALSE; } } /* }}} */ /* {{{ proto resource fopen(string filename, string mode [, bool use_include_path [, resource context]]) Open a file or a URL and return a file pointer */ PHP_NAMED_FUNCTION(php_if_fopen) { char *filename, *mode; int filename_len, mode_len; zend_bool use_include_path = 0; zval *zcontext = NULL; php_stream *stream; php_stream_context *context = NULL; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|br", &filename, &filename_len, &mode, &mode_len, &use_include_path, &zcontext) == FAILURE) { RETURN_FALSE; } if (strlen(filename) != filename_len) { RETURN_FALSE; } context = php_stream_context_from_zval(zcontext, 0); stream = php_stream_open_wrapper_ex(filename, mode, (use_include_path ? USE_PATH : 0) | ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL, context); if (stream == NULL) { RETURN_FALSE; } php_stream_to_zval(stream, return_value); } /* }}} */ /* {{{ proto bool fclose(resource fp) Close an open file pointer */ PHPAPI PHP_FUNCTION(fclose) { zval *arg1; php_stream *stream; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) { RETURN_FALSE; } PHP_STREAM_TO_ZVAL(stream, &arg1); if ((stream->flags & PHP_STREAM_FLAG_NO_FCLOSE) != 0) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d is not a valid stream resource", stream->rsrc_id); RETURN_FALSE; } if (!stream->is_persistent) { zend_list_delete(stream->rsrc_id); } else { php_stream_pclose(stream); } RETURN_TRUE; } /* }}} */ /* {{{ proto resource popen(string command, string mode) Execute a command and open either a read or a write pipe to it */ PHP_FUNCTION(popen) { char *command, *mode; int command_len, mode_len; FILE *fp; php_stream *stream; char *posix_mode, *b, *buf = 0, *tmp; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &command, &command_len, &mode, &mode_len) == FAILURE) { return; } posix_mode = estrndup(mode, mode_len); #ifndef PHP_WIN32 { char *z = memchr(posix_mode, 'b', mode_len); if (z) { memmove(z, z + 1, mode_len - (z - posix_mode)); } } #endif if (PG(safe_mode)){ b = strchr(command, ' '); if (!b) { b = strrchr(command, '/'); } else { char *c; c = command; while((*b != '/') && (b != c)) { b--; } if (b == c) { b = NULL; } } if (b) { spprintf(&buf, 0, "%s%s", PG(safe_mode_exec_dir), b); } else { spprintf(&buf, 0, "%s/%s", PG(safe_mode_exec_dir), command); } tmp = php_escape_shell_cmd(buf); fp = VCWD_POPEN(tmp, posix_mode); efree(tmp); if (!fp) { php_error_docref2(NULL TSRMLS_CC, buf, posix_mode, E_WARNING, "%s", strerror(errno)); efree(posix_mode); efree(buf); RETURN_FALSE; } efree(buf); } else { fp = VCWD_POPEN(command, posix_mode); if (!fp) { php_error_docref2(NULL TSRMLS_CC, command, posix_mode, E_WARNING, "%s", strerror(errno)); efree(posix_mode); RETURN_FALSE; } } stream = php_stream_fopen_from_pipe(fp, mode); if (stream == NULL) { php_error_docref2(NULL TSRMLS_CC, command, mode, E_WARNING, "%s", strerror(errno)); RETVAL_FALSE; } else { php_stream_to_zval(stream, return_value); } efree(posix_mode); } /* }}} */ /* {{{ proto int pclose(resource fp) Close a file pointer opened by popen() */ PHP_FUNCTION(pclose) { zval *arg1; php_stream *stream; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) { RETURN_FALSE; } PHP_STREAM_TO_ZVAL(stream, &arg1); zend_list_delete(stream->rsrc_id); RETURN_LONG(FG(pclose_ret)); } /* }}} */ /* {{{ proto bool feof(resource fp) Test for end-of-file on a file pointer */ PHPAPI PHP_FUNCTION(feof) { zval *arg1; php_stream *stream; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) { RETURN_FALSE; } PHP_STREAM_TO_ZVAL(stream, &arg1); if (php_stream_eof(stream)) { RETURN_TRUE; } else { RETURN_FALSE; } } /* }}} */ /* {{{ proto string fgets(resource fp[, int length]) Get a line from file pointer */ PHPAPI PHP_FUNCTION(fgets) { zval *arg1; long len = 1024; char *buf = NULL; int argc = ZEND_NUM_ARGS(); size_t line_len = 0; php_stream *stream; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &arg1, &len) == FAILURE) { RETURN_FALSE; } PHP_STREAM_TO_ZVAL(stream, &arg1); if (argc == 1) { /* ask streams to give us a buffer of an appropriate size */ buf = php_stream_get_line(stream, NULL, 0, &line_len); if (buf == NULL) { goto exit_failed; } } else if (argc > 1) { if (len <= 0) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0"); RETURN_FALSE; } buf = ecalloc(len + 1, sizeof(char)); if (php_stream_get_line(stream, buf, len, &line_len) == NULL) { goto exit_failed; } } if (PG(magic_quotes_runtime)) { Z_STRVAL_P(return_value) = php_addslashes(buf, line_len, &Z_STRLEN_P(return_value), 1 TSRMLS_CC); Z_TYPE_P(return_value) = IS_STRING; } else { ZVAL_STRINGL(return_value, buf, line_len, 0); /* resize buffer if it's much larger than the result. * Only needed if the user requested a buffer size. */ if (argc > 1 && Z_STRLEN_P(return_value) < len / 2) { Z_STRVAL_P(return_value) = erealloc(buf, line_len + 1); } } return; exit_failed: RETVAL_FALSE; if (buf) { efree(buf); } } /* }}} */ /* {{{ proto string fgetc(resource fp) Get a character from file pointer */ PHPAPI PHP_FUNCTION(fgetc) { zval *arg1; char buf[2]; int result; php_stream *stream; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) { RETURN_FALSE; } PHP_STREAM_TO_ZVAL(stream, &arg1); result = php_stream_getc(stream); if (result == EOF) { RETVAL_FALSE; } else { buf[0] = result; buf[1] = '\0'; RETURN_STRINGL(buf, 1, 1); } } /* }}} */ /* {{{ proto string fgetss(resource fp [, int length [, string allowable_tags]]) Get a line from file pointer and strip HTML tags */ PHPAPI PHP_FUNCTION(fgetss) { zval *fd; long bytes = 0; size_t len = 0; size_t actual_len, retval_len; char *buf = NULL, *retval; php_stream *stream; char *allowed_tags=NULL; int allowed_tags_len=0; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|ls", &fd, &bytes, &allowed_tags, &allowed_tags_len) == FAILURE) { RETURN_FALSE; } PHP_STREAM_TO_ZVAL(stream, &fd); if (ZEND_NUM_ARGS() >= 2) { if (bytes <= 0) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0"); RETURN_FALSE; } len = (size_t) bytes; buf = safe_emalloc(sizeof(char), (len + 1), 0); /*needed because recv doesnt set null char at end*/ memset(buf, 0, len + 1); } if ((retval = php_stream_get_line(stream, buf, len, &actual_len)) == NULL) { if (buf != NULL) { efree(buf); } RETURN_FALSE; } retval_len = php_strip_tags(retval, actual_len, &stream->fgetss_state, allowed_tags, allowed_tags_len); RETURN_STRINGL(retval, retval_len, 0); } /* }}} */ /* {{{ proto mixed fscanf(resource stream, string format [, string ...]) Implements a mostly ANSI compatible fscanf() */ PHP_FUNCTION(fscanf) { int result, format_len, type, argc = 0; zval ***args = NULL; zval *file_handle; char *buf, *format; size_t len; void *what; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs*", &file_handle, &format, &format_len, &args, &argc) == FAILURE) { return; } what = zend_fetch_resource(&file_handle TSRMLS_CC, -1, "File-Handle", &type, 2, php_file_le_stream(), php_file_le_pstream()); /* we can't do a ZEND_VERIFY_RESOURCE(what), otherwise we end up * with a leak if we have an invalid filehandle. This needs changing * if the code behind ZEND_VERIFY_RESOURCE changed. - cc */ if (!what) { if (args) { efree(args); } RETURN_FALSE; } buf = php_stream_get_line((php_stream *) what, NULL, 0, &len); if (buf == NULL) { if (args) { efree(args); } RETURN_FALSE; } result = php_sscanf_internal(buf, format, argc, args, 0, &return_value TSRMLS_CC); if (args) { efree(args); } efree(buf); if (SCAN_ERROR_WRONG_PARAM_COUNT == result) { WRONG_PARAM_COUNT; } } /* }}} */ /* {{{ proto int fwrite(resource fp, string str [, int length]) Binary-safe file write */ PHPAPI PHP_FUNCTION(fwrite) { zval *arg1; char *arg2; int arg2len; int ret; int num_bytes; long arg3 = 0; char *buffer = NULL; php_stream *stream; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs|l", &arg1, &arg2, &arg2len, &arg3) == FAILURE) { RETURN_FALSE; } if (ZEND_NUM_ARGS() == 2) { num_bytes = arg2len; } else { num_bytes = MAX(0, MIN((int)arg3, arg2len)); } if (!num_bytes) { RETURN_LONG(0); } PHP_STREAM_TO_ZVAL(stream, &arg1); if (PG(magic_quotes_runtime)) { buffer = estrndup(arg2, num_bytes); php_stripslashes(buffer, &num_bytes TSRMLS_CC); } ret = php_stream_write(stream, buffer ? buffer : arg2, num_bytes); if (buffer) { efree(buffer); } RETURN_LONG(ret); } /* }}} */ /* {{{ proto bool fflush(resource fp) Flushes output */ PHPAPI PHP_FUNCTION(fflush) { zval *arg1; int ret; php_stream *stream; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) { RETURN_FALSE; } PHP_STREAM_TO_ZVAL(stream, &arg1); ret = php_stream_flush(stream); if (ret) { RETURN_FALSE; } RETURN_TRUE; } /* }}} */ /* {{{ proto bool rewind(resource fp) Rewind the position of a file pointer */ PHPAPI PHP_FUNCTION(rewind) { zval *arg1; php_stream *stream; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) { RETURN_FALSE; } PHP_STREAM_TO_ZVAL(stream, &arg1); if (-1 == php_stream_rewind(stream)) { RETURN_FALSE; } RETURN_TRUE; } /* }}} */ /* {{{ proto int ftell(resource fp) Get file pointer's read/write position */ PHPAPI PHP_FUNCTION(ftell) { zval *arg1; long ret; php_stream *stream; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) { RETURN_FALSE; } PHP_STREAM_TO_ZVAL(stream, &arg1); ret = php_stream_tell(stream); if (ret == -1) { RETURN_FALSE; } RETURN_LONG(ret); } /* }}} */ /* {{{ proto int fseek(resource fp, int offset [, int whence]) Seek on a file pointer */ PHPAPI PHP_FUNCTION(fseek) { zval *arg1; long arg2, whence = SEEK_SET; php_stream *stream; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|l", &arg1, &arg2, &whence) == FAILURE) { RETURN_FALSE; } PHP_STREAM_TO_ZVAL(stream, &arg1); RETURN_LONG(php_stream_seek(stream, arg2, whence)); } /* }}} */ /* {{{ php_mkdir */ /* DEPRECATED APIs: Use php_stream_mkdir() instead */ PHPAPI int php_mkdir_ex(char *dir, long mode, int options TSRMLS_DC) { int ret; if (PG(safe_mode) && (!php_checkuid(dir, NULL, CHECKUID_CHECK_FILE_AND_DIR))) { return -1; } if (php_check_open_basedir(dir TSRMLS_CC)) { return -1; } if ((ret = VCWD_MKDIR(dir, (mode_t)mode)) < 0 && (options & REPORT_ERRORS)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", strerror(errno)); } return ret; } PHPAPI int php_mkdir(char *dir, long mode TSRMLS_DC) { return php_mkdir_ex(dir, mode, REPORT_ERRORS TSRMLS_CC); } /* }}} */ /* {{{ proto bool mkdir(string pathname [, int mode [, bool recursive [, resource context]]]) Create a directory */ PHP_FUNCTION(mkdir) { char *dir; int dir_len; zval *zcontext = NULL; long mode = 0777; zend_bool recursive = 0; php_stream_context *context; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|lbr", &dir, &dir_len, &mode, &recursive, &zcontext) == FAILURE) { RETURN_FALSE; } if (strlen(dir) != dir_len) { RETURN_FALSE; } context = php_stream_context_from_zval(zcontext, 0); RETURN_BOOL(php_stream_mkdir(dir, mode, (recursive ? PHP_STREAM_MKDIR_RECURSIVE : 0) | REPORT_ERRORS, context)); } /* }}} */ /* {{{ proto bool rmdir(string dirname[, resource context]) Remove a directory */ PHP_FUNCTION(rmdir) { char *dir; int dir_len; zval *zcontext = NULL; php_stream_context *context; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|r", &dir, &dir_len, &zcontext) == FAILURE) { RETURN_FALSE; } if (strlen(dir) != dir_len) { RETURN_FALSE; } context = php_stream_context_from_zval(zcontext, 0); RETURN_BOOL(php_stream_rmdir(dir, REPORT_ERRORS, context)); } /* }}} */ /* {{{ proto int readfile(string filename [, bool use_include_path[, resource context]]) Output a file or a URL */ PHP_FUNCTION(readfile) { char *filename; int filename_len; int size = 0; zend_bool use_include_path = 0; zval *zcontext = NULL; php_stream *stream; php_stream_context *context = NULL; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|br!", &filename, &filename_len, &use_include_path, &zcontext) == FAILURE) { RETURN_FALSE; } if (strlen(filename) != filename_len) { RETURN_FALSE; } context = php_stream_context_from_zval(zcontext, 0); stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL, context); if (stream) { size = php_stream_passthru(stream); php_stream_close(stream); RETURN_LONG(size); } RETURN_FALSE; } /* }}} */ /* {{{ proto int umask([int mask]) Return or change the umask */ PHP_FUNCTION(umask) { long arg1 = 0; int oldumask; oldumask = umask(077); if (BG(umask) == -1) { BG(umask) = oldumask; } if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &arg1) == FAILURE) { RETURN_FALSE; } if (ZEND_NUM_ARGS() == 0) { umask(oldumask); } else { umask(arg1); } RETURN_LONG(oldumask); } /* }}} */ /* {{{ proto int fpassthru(resource fp) Output all remaining data from a file pointer */ PHPAPI PHP_FUNCTION(fpassthru) { zval *arg1; int size; php_stream *stream; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) { RETURN_FALSE; } PHP_STREAM_TO_ZVAL(stream, &arg1); size = php_stream_passthru(stream); RETURN_LONG(size); } /* }}} */ /* {{{ proto bool rename(string old_name, string new_name[, resource context]) Rename a file */ PHP_FUNCTION(rename) { char *old_name, *new_name; int old_name_len, new_name_len; zval *zcontext = NULL; php_stream_wrapper *wrapper; php_stream_context *context; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|r", &old_name, &old_name_len, &new_name, &new_name_len, &zcontext) == FAILURE) { RETURN_FALSE; } if (strlen(old_name) != old_name_len) { RETURN_FALSE; } if (strlen(new_name) != new_name_len) { RETURN_FALSE; } wrapper = php_stream_locate_url_wrapper(old_name, NULL, 0 TSRMLS_CC); if (!wrapper || !wrapper->wops) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to locate stream wrapper"); RETURN_FALSE; } if (!wrapper->wops->rename) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s wrapper does not support renaming", wrapper->wops->label ? wrapper->wops->label : "Source"); RETURN_FALSE; } if (wrapper != php_stream_locate_url_wrapper(new_name, NULL, 0 TSRMLS_CC)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot rename a file across wrapper types"); RETURN_FALSE; } context = php_stream_context_from_zval(zcontext, 0); RETURN_BOOL(wrapper->wops->rename(wrapper, old_name, new_name, 0, context TSRMLS_CC)); } /* }}} */ /* {{{ proto bool unlink(string filename[, context context]) Delete a file */ PHP_FUNCTION(unlink) { char *filename; int filename_len; php_stream_wrapper *wrapper; zval *zcontext = NULL; php_stream_context *context = NULL; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|r", &filename, &filename_len, &zcontext) == FAILURE) { RETURN_FALSE; } if (strlen(filename) != filename_len) { RETURN_FALSE; } context = php_stream_context_from_zval(zcontext, 0); wrapper = php_stream_locate_url_wrapper(filename, NULL, 0 TSRMLS_CC); if (!wrapper || !wrapper->wops) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to locate stream wrapper"); RETURN_FALSE; } if (!wrapper->wops->unlink) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s does not allow unlinking", wrapper->wops->label ? wrapper->wops->label : "Wrapper"); RETURN_FALSE; } RETURN_BOOL(wrapper->wops->unlink(wrapper, filename, ENFORCE_SAFE_MODE | REPORT_ERRORS, context TSRMLS_CC)); } /* }}} */ /* {{{ proto bool ftruncate(resource fp, int size) Truncate file to 'size' length */ PHP_NAMED_FUNCTION(php_if_ftruncate) { zval *fp; long size; php_stream *stream; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &fp, &size) == FAILURE) { RETURN_FALSE; } PHP_STREAM_TO_ZVAL(stream, &fp); if (!php_stream_truncate_supported(stream)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Can't truncate this stream!"); RETURN_FALSE; } RETURN_BOOL(0 == php_stream_truncate_set_size(stream, size)); } /* }}} */ /* {{{ proto array fstat(resource fp) Stat() on a filehandle */ PHP_NAMED_FUNCTION(php_if_fstat) { zval *fp; zval *stat_dev, *stat_ino, *stat_mode, *stat_nlink, *stat_uid, *stat_gid, *stat_rdev, *stat_size, *stat_atime, *stat_mtime, *stat_ctime, *stat_blksize, *stat_blocks; php_stream *stream; php_stream_statbuf stat_ssb; char *stat_sb_names[13] = { "dev", "ino", "mode", "nlink", "uid", "gid", "rdev", "size", "atime", "mtime", "ctime", "blksize", "blocks" }; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &fp) == FAILURE) { RETURN_FALSE; } PHP_STREAM_TO_ZVAL(stream, &fp); if (php_stream_stat(stream, &stat_ssb)) { RETURN_FALSE; } array_init(return_value); MAKE_LONG_ZVAL_INCREF(stat_dev, stat_ssb.sb.st_dev); MAKE_LONG_ZVAL_INCREF(stat_ino, stat_ssb.sb.st_ino); MAKE_LONG_ZVAL_INCREF(stat_mode, stat_ssb.sb.st_mode); MAKE_LONG_ZVAL_INCREF(stat_nlink, stat_ssb.sb.st_nlink); MAKE_LONG_ZVAL_INCREF(stat_uid, stat_ssb.sb.st_uid); MAKE_LONG_ZVAL_INCREF(stat_gid, stat_ssb.sb.st_gid); #ifdef HAVE_ST_RDEV MAKE_LONG_ZVAL_INCREF(stat_rdev, stat_ssb.sb.st_rdev); #else MAKE_LONG_ZVAL_INCREF(stat_rdev, -1); #endif MAKE_LONG_ZVAL_INCREF(stat_size, stat_ssb.sb.st_size); MAKE_LONG_ZVAL_INCREF(stat_atime, stat_ssb.sb.st_atime); MAKE_LONG_ZVAL_INCREF(stat_mtime, stat_ssb.sb.st_mtime); MAKE_LONG_ZVAL_INCREF(stat_ctime, stat_ssb.sb.st_ctime); #ifdef HAVE_ST_BLKSIZE MAKE_LONG_ZVAL_INCREF(stat_blksize, stat_ssb.sb.st_blksize); #else MAKE_LONG_ZVAL_INCREF(stat_blksize,-1); #endif #ifdef HAVE_ST_BLOCKS MAKE_LONG_ZVAL_INCREF(stat_blocks, stat_ssb.sb.st_blocks); #else MAKE_LONG_ZVAL_INCREF(stat_blocks,-1); #endif /* Store numeric indexes in propper order */ zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_dev, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ino, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mode, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_nlink, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_uid, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_gid, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_rdev, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_size, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_atime, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mtime, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ctime, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blksize, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blocks, sizeof(zval *), NULL); /* Store string indexes referencing the same zval*/ zend_hash_update(HASH_OF(return_value), stat_sb_names[0], strlen(stat_sb_names[0])+1, (void *)&stat_dev, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[1], strlen(stat_sb_names[1])+1, (void *)&stat_ino, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[2], strlen(stat_sb_names[2])+1, (void *)&stat_mode, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[3], strlen(stat_sb_names[3])+1, (void *)&stat_nlink, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[4], strlen(stat_sb_names[4])+1, (void *)&stat_uid, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[5], strlen(stat_sb_names[5])+1, (void *)&stat_gid, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[6], strlen(stat_sb_names[6])+1, (void *)&stat_rdev, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[7], strlen(stat_sb_names[7])+1, (void *)&stat_size, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[8], strlen(stat_sb_names[8])+1, (void *)&stat_atime, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[9], strlen(stat_sb_names[9])+1, (void *)&stat_mtime, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[10], strlen(stat_sb_names[10])+1, (void *)&stat_ctime, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[11], strlen(stat_sb_names[11])+1, (void *)&stat_blksize, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[12], strlen(stat_sb_names[12])+1, (void *)&stat_blocks, sizeof(zval *), NULL); } /* }}} */ /* {{{ proto bool copy(string source_file, string destination_file [, resource context]) Copy a file */ PHP_FUNCTION(copy) { char *source, *target; int source_len, target_len; zval *zcontext = NULL; php_stream_context *context; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|r", &source, &source_len, &target, &target_len, &zcontext) == FAILURE) { return; } if (strlen(source) != source_len) { RETURN_FALSE; } if (strlen(target) != target_len) { RETURN_FALSE; } if (PG(safe_mode) &&(!php_checkuid(source, NULL, CHECKUID_CHECK_FILE_AND_DIR))) { RETURN_FALSE; } if (php_check_open_basedir(source TSRMLS_CC)) { RETURN_FALSE; } context = php_stream_context_from_zval(zcontext, 0); if (php_copy_file_ctx(source, target, 0, context TSRMLS_CC) == SUCCESS) { RETURN_TRUE; } else { RETURN_FALSE; } } /* }}} */ /* {{{ php_copy_file */ PHPAPI int php_copy_file(char *src, char *dest TSRMLS_DC) { return php_copy_file_ctx(src, dest, ENFORCE_SAFE_MODE, NULL TSRMLS_CC); } /* }}} */ /* {{{ php_copy_file_ex */ PHPAPI int php_copy_file_ex(char *src, char *dest, int src_chk TSRMLS_DC) { return php_copy_file_ctx(src, dest, ENFORCE_SAFE_MODE, NULL TSRMLS_CC); } /* }}} */ /* {{{ php_copy_file_ctx */ PHPAPI int php_copy_file_ctx(char *src, char *dest, int src_chk, php_stream_context *context TSRMLS_DC) { php_stream *srcstream = NULL, *deststream = NULL; int ret = FAILURE; php_stream_statbuf src_s, dest_s; switch (php_stream_stat_path_ex(src, 0, &src_s, context)) { case -1: /* non-statable stream */ goto safe_to_copy; break; case 0: break; default: /* failed to stat file, does not exist? */ return ret; } if (S_ISDIR(src_s.sb.st_mode)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "The first argument to copy() function cannot be a directory"); return FAILURE; } switch (php_stream_stat_path_ex(dest, PHP_STREAM_URL_STAT_QUIET, &dest_s, context)) { case -1: /* non-statable stream */ goto safe_to_copy; break; case 0: break; default: /* failed to stat file, does not exist? */ return ret; } if (S_ISDIR(dest_s.sb.st_mode)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "The second argument to copy() function cannot be a directory"); return FAILURE; } if (!src_s.sb.st_ino || !dest_s.sb.st_ino) { goto no_stat; } if (src_s.sb.st_ino == dest_s.sb.st_ino && src_s.sb.st_dev == dest_s.sb.st_dev) { return ret; } else { goto safe_to_copy; } no_stat: { char *sp, *dp; int res; if ((sp = expand_filepath(src, NULL TSRMLS_CC)) == NULL) { return ret; } if ((dp = expand_filepath(dest, NULL TSRMLS_CC)) == NULL) { efree(sp); goto safe_to_copy; } res = #ifndef PHP_WIN32 !strcmp(sp, dp); #else !strcasecmp(sp, dp); #endif efree(sp); efree(dp); if (res) { return ret; } } safe_to_copy: srcstream = php_stream_open_wrapper_ex(src, "rb", src_chk | REPORT_ERRORS, NULL, context); if (!srcstream) { return ret; } deststream = php_stream_open_wrapper_ex(dest, "wb", ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL, context); if (srcstream && deststream) { ret = php_stream_copy_to_stream_ex(srcstream, deststream, PHP_STREAM_COPY_ALL, NULL); } if (srcstream) { php_stream_close(srcstream); } if (deststream) { php_stream_close(deststream); } return ret; } /* }}} */ /* {{{ proto string fread(resource fp, int length) Binary-safe file read */ PHPAPI PHP_FUNCTION(fread) { zval *arg1; long len; php_stream *stream; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &arg1, &len) == FAILURE) { RETURN_FALSE; } PHP_STREAM_TO_ZVAL(stream, &arg1); if (len <= 0) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0"); RETURN_FALSE; } Z_STRVAL_P(return_value) = emalloc(len + 1); Z_STRLEN_P(return_value) = php_stream_read(stream, Z_STRVAL_P(return_value), len); /* needed because recv/read/gzread doesnt put a null at the end*/ Z_STRVAL_P(return_value)[Z_STRLEN_P(return_value)] = 0; if (PG(magic_quotes_runtime)) { Z_STRVAL_P(return_value) = php_addslashes(Z_STRVAL_P(return_value), Z_STRLEN_P(return_value), &Z_STRLEN_P(return_value), 1 TSRMLS_CC); } Z_TYPE_P(return_value) = IS_STRING; } /* }}} */ static const char *php_fgetcsv_lookup_trailing_spaces(const char *ptr, size_t len, const char delimiter TSRMLS_DC) /* {{{ */ { int inc_len; unsigned char last_chars[2] = { 0, 0 }; while (len > 0) { inc_len = (*ptr == '\0' ? 1: php_mblen(ptr, len)); switch (inc_len) { case -2: case -1: inc_len = 1; php_mblen(NULL, 0); break; case 0: goto quit_loop; case 1: default: last_chars[0] = last_chars[1]; last_chars[1] = *ptr; break; } ptr += inc_len; len -= inc_len; } quit_loop: switch (last_chars[1]) { case '\n': if (last_chars[0] == '\r') { return ptr - 2; } /* break is omitted intentionally */ case '\r': return ptr - 1; } return ptr; } /* }}} */ #define FPUTCSV_FLD_CHK(c) memchr(Z_STRVAL(field), c, Z_STRLEN(field)) /* {{{ proto int fputcsv(resource fp, array fields [, string delimiter [, string enclosure]]) Format line as CSV and write to file pointer */ PHP_FUNCTION(fputcsv) { char delimiter = ','; /* allow this to be set as parameter */ char enclosure = '"'; /* allow this to be set as parameter */ const char escape_char = '\\'; php_stream *stream; int ret; zval *fp = NULL, *fields = NULL, **field_tmp = NULL, field; char *delimiter_str = NULL, *enclosure_str = NULL; int delimiter_str_len = 0, enclosure_str_len = 0; HashPosition pos; int count, i = 0; smart_str csvline = {0}; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ra|ss", &fp, &fields, &delimiter_str, &delimiter_str_len, &enclosure_str, &enclosure_str_len) == FAILURE) { return; } if (delimiter_str != NULL) { /* Make sure that there is at least one character in string */ if (delimiter_str_len < 1) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "delimiter must be a character"); RETURN_FALSE; } else if (delimiter_str_len > 1) { php_error_docref(NULL TSRMLS_CC, E_NOTICE, "delimiter must be a single character"); } /* use first character from string */ delimiter = *delimiter_str; } if (enclosure_str != NULL) { if (enclosure_str_len < 1) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "enclosure must be a character"); RETURN_FALSE; } else if (enclosure_str_len > 1) { php_error_docref(NULL TSRMLS_CC, E_NOTICE, "enclosure must be a single character"); } /* use first character from string */ enclosure = *enclosure_str; } PHP_STREAM_TO_ZVAL(stream, &fp); count = zend_hash_num_elements(Z_ARRVAL_P(fields)); zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(fields), &pos); while (zend_hash_get_current_data_ex(Z_ARRVAL_P(fields), (void **) &field_tmp, &pos) == SUCCESS) { field = **field_tmp; if (Z_TYPE_PP(field_tmp) != IS_STRING) { zval_copy_ctor(&field); convert_to_string(&field); } /* enclose a field that contains a delimiter, an enclosure character, or a newline */ if (FPUTCSV_FLD_CHK(delimiter) || FPUTCSV_FLD_CHK(enclosure) || FPUTCSV_FLD_CHK(escape_char) || FPUTCSV_FLD_CHK('\n') || FPUTCSV_FLD_CHK('\r') || FPUTCSV_FLD_CHK('\t') || FPUTCSV_FLD_CHK(' ') ) { char *ch = Z_STRVAL(field); char *end = ch + Z_STRLEN(field); int escaped = 0; smart_str_appendc(&csvline, enclosure); while (ch < end) { if (*ch == escape_char) { escaped = 1; } else if (!escaped && *ch == enclosure) { smart_str_appendc(&csvline, enclosure); } else { escaped = 0; } smart_str_appendc(&csvline, *ch); ch++; } smart_str_appendc(&csvline, enclosure); } else { smart_str_appendl(&csvline, Z_STRVAL(field), Z_STRLEN(field)); } if (++i != count) { smart_str_appendl(&csvline, &delimiter, 1); } zend_hash_move_forward_ex(Z_ARRVAL_P(fields), &pos); if (Z_TYPE_PP(field_tmp) != IS_STRING) { zval_dtor(&field); } } smart_str_appendc(&csvline, '\n'); smart_str_0(&csvline); if (!PG(magic_quotes_runtime)) { ret = php_stream_write(stream, csvline.c, csvline.len); } else { char *buffer = estrndup(csvline.c, csvline.len); int len = csvline.len; php_stripslashes(buffer, &len TSRMLS_CC); ret = php_stream_write(stream, buffer, len); efree(buffer); } smart_str_free(&csvline); RETURN_LONG(ret); } /* }}} */ /* {{{ proto array fgetcsv(resource fp [,int length [, string delimiter [, string enclosure [, string escape]]]]) Get line from file pointer and parse for CSV fields */ PHP_FUNCTION(fgetcsv) { char delimiter = ','; /* allow this to be set as parameter */ char enclosure = '"'; /* allow this to be set as parameter */ char escape = '\\'; /* first section exactly as php_fgetss */ long len = 0; size_t buf_len; char *buf; php_stream *stream; { zval *fd, **len_zv = NULL; char *delimiter_str = NULL; int delimiter_str_len = 0; char *enclosure_str = NULL; int enclosure_str_len = 0; char *escape_str = NULL; int escape_str_len = 0; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|Zsss", &fd, &len_zv, &delimiter_str, &delimiter_str_len, &enclosure_str, &enclosure_str_len, &escape_str, &escape_str_len) == FAILURE ) { return; } if (delimiter_str != NULL) { /* Make sure that there is at least one character in string */ if (delimiter_str_len < 1) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "delimiter must be a character"); RETURN_FALSE; } else if (delimiter_str_len > 1) { php_error_docref(NULL TSRMLS_CC, E_NOTICE, "delimiter must be a single character"); } /* use first character from string */ delimiter = delimiter_str[0]; } if (enclosure_str != NULL) { if (enclosure_str_len < 1) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "enclosure must be a character"); RETURN_FALSE; } else if (enclosure_str_len > 1) { php_error_docref(NULL TSRMLS_CC, E_NOTICE, "enclosure must be a single character"); } /* use first character from string */ enclosure = enclosure_str[0]; } if (escape_str != NULL) { if (escape_str_len < 1) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "escape must be character"); RETURN_FALSE; } else if (escape_str_len > 1) { php_error_docref(NULL TSRMLS_CC, E_NOTICE, "escape must be a single character"); } escape = escape_str[0]; } if (len_zv != NULL && Z_TYPE_PP(len_zv) != IS_NULL) { convert_to_long_ex(len_zv); len = Z_LVAL_PP(len_zv); if (len < 0) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter may not be negative"); RETURN_FALSE; } else if (len == 0) { len = -1; } } else { len = -1; } PHP_STREAM_TO_ZVAL(stream, &fd); } if (len < 0) { if ((buf = php_stream_get_line(stream, NULL, 0, &buf_len)) == NULL) { RETURN_FALSE; } } else { buf = emalloc(len + 1); if (php_stream_get_line(stream, buf, len + 1, &buf_len) == NULL) { efree(buf); RETURN_FALSE; } } php_fgetcsv(stream, delimiter, enclosure, escape, buf_len, buf, return_value TSRMLS_CC); } /* }}} */ PHPAPI void php_fgetcsv(php_stream *stream, char delimiter, char enclosure, char escape_char, size_t buf_len, char *buf, zval *return_value TSRMLS_DC) /* {{{ */ { char *temp, *tptr, *bptr, *line_end, *limit; size_t temp_len, line_end_len; int inc_len; zend_bool first_field = 1; /* initialize internal state */ php_mblen(NULL, 0); /* Now into new section that parses buf for delimiter/enclosure fields */ /* Strip trailing space from buf, saving end of line in case required for enclosure field */ bptr = buf; tptr = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter TSRMLS_CC); line_end_len = buf_len - (size_t)(tptr - buf); line_end = limit = tptr; /* reserve workspace for building each individual field */ temp_len = buf_len; temp = emalloc(temp_len + line_end_len + 1); /* Initialize return array */ array_init(return_value); /* Main loop to read CSV fields */ /* NB this routine will return a single null entry for a blank line */ do { char *comp_end, *hunk_begin; tptr = temp; inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0); if (inc_len == 1) { char *tmp = bptr; while ((*tmp != delimiter) && isspace((int)*(unsigned char *)tmp)) { tmp++; } if (*tmp == enclosure) { bptr = tmp; } } if (first_field && bptr == line_end) { add_next_index_null(return_value); break; } first_field = 0; /* 2. Read field, leaving bptr pointing at start of next field */ if (inc_len != 0 && *bptr == enclosure) { int state = 0; bptr++; /* move on to first character in field */ hunk_begin = bptr; /* 2A. handle enclosure delimited field */ for (;;) { switch (inc_len) { case 0: switch (state) { case 2: memcpy(tptr, hunk_begin, bptr - hunk_begin - 1); tptr += (bptr - hunk_begin - 1); hunk_begin = bptr; goto quit_loop_2; case 1: memcpy(tptr, hunk_begin, bptr - hunk_begin); tptr += (bptr - hunk_begin); hunk_begin = bptr; /* break is omitted intentionally */ case 0: { char *new_buf; size_t new_len; char *new_temp; if (hunk_begin != line_end) { memcpy(tptr, hunk_begin, bptr - hunk_begin); tptr += (bptr - hunk_begin); hunk_begin = bptr; } /* add the embedded line end to the field */ memcpy(tptr, line_end, line_end_len); tptr += line_end_len; if (stream == NULL) { goto quit_loop_2; } else if ((new_buf = php_stream_get_line(stream, NULL, 0, &new_len)) == NULL) { /* we've got an unterminated enclosure, * assign all the data from the start of * the enclosure to end of data to the * last element */ if ((size_t)temp_len > (size_t)(limit - buf)) { goto quit_loop_2; } zval_dtor(return_value); RETVAL_FALSE; goto out; } temp_len += new_len; new_temp = erealloc(temp, temp_len); tptr = new_temp + (size_t)(tptr - temp); temp = new_temp; efree(buf); buf_len = new_len; bptr = buf = new_buf; hunk_begin = buf; line_end = limit = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter TSRMLS_CC); line_end_len = buf_len - (size_t)(limit - buf); state = 0; } break; } break; case -2: case -1: php_mblen(NULL, 0); /* break is omitted intentionally */ case 1: /* we need to determine if the enclosure is * 'real' or is it escaped */ switch (state) { case 1: /* escaped */ bptr++; state = 0; break; case 2: /* embedded enclosure ? let's check it */ if (*bptr != enclosure) { /* real enclosure */ memcpy(tptr, hunk_begin, bptr - hunk_begin - 1); tptr += (bptr - hunk_begin - 1); hunk_begin = bptr; goto quit_loop_2; } memcpy(tptr, hunk_begin, bptr - hunk_begin); tptr += (bptr - hunk_begin); bptr++; hunk_begin = bptr; state = 0; break; default: if (*bptr == enclosure) { state = 2; } else if (*bptr == escape_char) { state = 1; } bptr++; break; } break; default: switch (state) { case 2: /* real enclosure */ memcpy(tptr, hunk_begin, bptr - hunk_begin - 1); tptr += (bptr - hunk_begin - 1); hunk_begin = bptr; goto quit_loop_2; case 1: bptr += inc_len; memcpy(tptr, hunk_begin, bptr - hunk_begin); tptr += (bptr - hunk_begin); hunk_begin = bptr; break; default: bptr += inc_len; break; } break; } inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0); } quit_loop_2: /* look up for a delimiter */ for (;;) { switch (inc_len) { case 0: goto quit_loop_3; case -2: case -1: inc_len = 1; php_mblen(NULL, 0); /* break is omitted intentionally */ case 1: if (*bptr == delimiter) { goto quit_loop_3; } break; default: break; } bptr += inc_len; inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0); } quit_loop_3: memcpy(tptr, hunk_begin, bptr - hunk_begin); tptr += (bptr - hunk_begin); bptr += inc_len; comp_end = tptr; } else { /* 2B. Handle non-enclosure field */ hunk_begin = bptr; for (;;) { switch (inc_len) { case 0: goto quit_loop_4; case -2: case -1: inc_len = 1; php_mblen(NULL, 0); /* break is omitted intentionally */ case 1: if (*bptr == delimiter) { goto quit_loop_4; } break; default: break; } bptr += inc_len; inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0); } quit_loop_4: memcpy(tptr, hunk_begin, bptr - hunk_begin); tptr += (bptr - hunk_begin); comp_end = (char *)php_fgetcsv_lookup_trailing_spaces(temp, tptr - temp, delimiter TSRMLS_CC); if (*bptr == delimiter) { bptr++; } } /* 3. Now pass our field back to php */ *comp_end = '\0'; add_next_index_stringl(return_value, temp, comp_end - temp, 1); } while (inc_len > 0); out: efree(temp); if (stream) { efree(buf); } } /* }}} */ #if (!defined(__BEOS__) && !defined(NETWARE) && HAVE_REALPATH) || defined(ZTS) /* {{{ proto string realpath(string path) Return the resolved path */ PHP_FUNCTION(realpath) { char *filename; int filename_len; char resolved_path_buff[MAXPATHLEN]; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &filename, &filename_len) == FAILURE) { return; } if (strlen(filename) != filename_len) { RETURN_FALSE; } if (VCWD_REALPATH(filename, resolved_path_buff)) { if (PG(safe_mode) && (!php_checkuid(resolved_path_buff, NULL, CHECKUID_CHECK_FILE_AND_DIR))) { RETURN_FALSE; } if (php_check_open_basedir(resolved_path_buff TSRMLS_CC)) { RETURN_FALSE; } #ifdef ZTS if (VCWD_ACCESS(resolved_path_buff, F_OK)) { RETURN_FALSE; } #endif RETURN_STRING(resolved_path_buff, 1); } else { RETURN_FALSE; } } /* }}} */ #endif /* See http://www.w3.org/TR/html4/intro/sgmltut.html#h-3.2.2 */ #define PHP_META_HTML401_CHARS "-_.:" /* {{{ php_next_meta_token Tokenizes an HTML file for get_meta_tags */ php_meta_tags_token php_next_meta_token(php_meta_tags_data *md TSRMLS_DC) { int ch = 0, compliment; char buff[META_DEF_BUFSIZE + 1]; memset((void *)buff, 0, META_DEF_BUFSIZE + 1); while (md->ulc || (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)))) { if (php_stream_eof(md->stream)) { break; } if (md->ulc) { ch = md->lc; md->ulc = 0; } switch (ch) { case '<': return TOK_OPENTAG; break; case '>': return TOK_CLOSETAG; break; case '=': return TOK_EQUAL; break; case '/': return TOK_SLASH; break; case '\'': case '"': compliment = ch; md->token_len = 0; while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && ch != compliment && ch != '<' && ch != '>') { buff[(md->token_len)++] = ch; if (md->token_len == META_DEF_BUFSIZE) { break; } } if (ch == '<' || ch == '>') { /* Was just an apostrohpe */ md->ulc = 1; md->lc = ch; } /* We don't need to alloc unless we are in a meta tag */ if (md->in_meta) { md->token_data = (char *) emalloc(md->token_len + 1); memcpy(md->token_data, buff, md->token_len+1); } return TOK_STRING; break; case '\n': case '\r': case '\t': break; case ' ': return TOK_SPACE; break; default: if (isalnum(ch)) { md->token_len = 0; buff[(md->token_len)++] = ch; while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && (isalnum(ch) || strchr(PHP_META_HTML401_CHARS, ch))) { buff[(md->token_len)++] = ch; if (md->token_len == META_DEF_BUFSIZE) { break; } } /* This is ugly, but we have to replace ungetc */ if (!isalpha(ch) && ch != '-') { md->ulc = 1; md->lc = ch; } md->token_data = (char *) emalloc(md->token_len + 1); memcpy(md->token_data, buff, md->token_len+1); return TOK_ID; } else { return TOK_OTHER; } break; } } return TOK_EOF; } /* }}} */ #ifdef HAVE_FNMATCH /* {{{ proto bool fnmatch(string pattern, string filename [, int flags]) Match filename against pattern */ PHP_FUNCTION(fnmatch) { char *pattern, *filename; int pattern_len, filename_len; long flags = 0; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|l", &pattern, &pattern_len, &filename, &filename_len, &flags) == FAILURE) { return; } if (strlen(pattern) != pattern_len) { RETURN_FALSE; } if (strlen(filename) != filename_len) { RETURN_FALSE; } if (filename_len >= MAXPATHLEN) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Filename exceeds the maximum allowed length of %d characters", MAXPATHLEN); RETURN_FALSE; } if (pattern_len >= MAXPATHLEN) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Pattern exceeds the maximum allowed length of %d characters", MAXPATHLEN); RETURN_FALSE; } RETURN_BOOL( ! fnmatch( pattern, filename, flags )); } /* }}} */ #endif /* {{{ proto string sys_get_temp_dir() Returns directory path used for temporary files */ PHP_FUNCTION(sys_get_temp_dir) { if (zend_parse_parameters_none() == FAILURE) { return; } RETURN_STRING((char *)php_get_temporary_directory(), 1); } /* }}} */ /* * 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 */