/* +----------------------------------------------------------------------+ | PHP Version 4 | +----------------------------------------------------------------------+ | Copyright (c) 1997-2003 The PHP Group | +----------------------------------------------------------------------+ | This source file is subject to version 2.02 of the PHP license, | | that is bundled with this package in the file LICENSE, and is | | available at through the world-wide-web at | | http://www.php.net/license/2_02.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 #include #include #include #include #include #ifdef PHP_WIN32 #include #include #define O_RDONLY _O_RDONLY #include "win32/param.h" #include "win32/winutil.h" #elif defined(NETWARE) && !defined(NEW_LIBC) /*#include */ #include #include "netware/param.h" #else #include #include #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" #elif defined(NETWARE) #include "netware/pwd.h" #else #include #endif #endif #ifdef HAVE_SYS_TIME_H #include #endif #include "fsock.h" #include "fopen_wrappers.h" #include "php_streams.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 #ifndef MAP_FAILED #define MAP_FAILED ((void *) -1) #endif #include "scanf.h" #include "zend_API.h" #ifdef ZTS int file_globals_id; #else php_file_globals file_globals; #endif #ifdef HAVE_FNMATCH #include #endif /* }}} */ /* {{{ ZTS-stuff / Globals / Prototypes */ /* sharing globals is *evil* */ static int le_stream_context = FAILURE; /* }}} */ /* {{{ Module-Stuff */ static ZEND_RSRC_DTOR_FUNC(file_context_dtor) { php_stream_context_free((php_stream_context*)rsrc->ptr); } 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) STD_PHP_INI_ENTRY("default_socket_timeout", "60", PHP_INI_ALL, OnUpdateInt, default_socket_timeout, php_file_globals, file_globals) STD_PHP_INI_ENTRY("auto_detect_line_endings", "0", PHP_INI_ALL, OnUpdateInt, 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", 1, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("LOCK_EX", 2, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("LOCK_UN", 3, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("LOCK_NB", 4, 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_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); #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; } /* {{{ proto bool flock(resource fp, int operation [, int &wouldblock]) Portable file locking */ static int flock_values[] = { LOCK_SH, LOCK_EX, LOCK_UN }; PHP_FUNCTION(flock) { zval *arg1, *arg3; int fd, act, ret; php_stream *stream; long operation = 0; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|z", &arg1, &operation, &arg3) == FAILURE) { return; } php_stream_from_zval(stream, &arg1); if (php_stream_cast(stream, PHP_STREAM_AS_FD, (void*)&fd, 1) == FAILURE) { RETURN_FALSE; } act = operation & 3; if (act < 1 || act > 3) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Illegal operation argument"); RETURN_FALSE; } /* flock_values contains all possible actions if (operation & 4) we won't block on the lock */ act = flock_values[act - 1] | (operation & 4 ? LOCK_NB : 0); if ((ret = flock(fd, act)) == -1) { if (errno == EWOULDBLOCK && operation) { convert_to_long(arg3); Z_LVAL_P(arg3) = 1; RETURN_TRUE; } 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; } 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) { /* 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) { /* 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) { /* 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) { /* 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, 0); } else { add_assoc_string(return_value, name, empty_string, 0); } efree(name); } 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; } php_stream_close(md.stream); } /* }}} */ /* {{{ proto string file_get_contents(string filename [, bool use_include_path]) 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, newlen; /* Parse arguments */ if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|b", &filename, &filename_len, &use_include_path) == FAILURE) { return; } stream = php_stream_open_wrapper(filename, "rb", (use_include_path ? USE_PATH : 0) | ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL); if (!stream) { RETURN_FALSE; } /* uses mmap if possible */ if ((len = php_stream_copy_to_mem(stream, &contents, PHP_STREAM_COPY_ALL, 0)) >= 0) { if (PG(magic_quotes_runtime)) { contents = php_addslashes(contents, len, &newlen, 1 TSRMLS_CC); /* 1 = free source string */ len = newlen; } RETVAL_STRINGL(contents, len, 0); } else { RETVAL_FALSE; } php_stream_close(stream); } /* }}} */ /* {{{ proto array file(string filename [, bool use_include_path [, bool include_new_line [, bool skip_blank_lines]]]) Read entire file into an array */ #define PHP_FILE_BUF_SIZE 80 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'; zend_bool use_include_path = 0; zend_bool include_new_line = 1; zend_bool skip_blank_lines = 0; php_stream *stream; /* Parse arguments */ if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|bbb", &filename, &filename_len, &use_include_path, &include_new_line, &skip_blank_lines) == FAILURE) { return; } stream = php_stream_open_wrapper(filename, "rb", (use_include_path ? USE_PATH : 0) | ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL); 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 { if (skip_blank_lines && !(p-s)) { 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), &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)))); } /* 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) { pval **arg1, **arg2; char *d; char *opened_path; char p[64]; FILE *fp; if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(arg1); convert_to_string_ex(arg2); if (php_check_open_basedir(Z_STRVAL_PP(arg1) TSRMLS_CC)) { RETURN_FALSE; } d = estrndup(Z_STRVAL_PP(arg1), Z_STRLEN_PP(arg1)); strlcpy(p, Z_STRVAL_PP(arg2), sizeof(p)); if ((fp = php_open_temporary_file(d, p, &opened_path TSRMLS_CC))) { fclose(fp); RETVAL_STRING(opened_path, 0); } else { RETVAL_FALSE; } efree(d); } /* }}} */ /* {{{ 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_NUM_ARGS() != 0) { WRONG_PARAM_COUNT; } stream = php_stream_fopen_tmpfile(); if (stream) { php_stream_to_zval(stream, return_value); } else { RETURN_FALSE; } } /* }}} */ /* {{{ proto resource stream_get_meta_data(resource fp) Retrieves header/meta data from streams/file pointers */ PHP_FUNCTION(stream_get_meta_data) { zval **arg1; php_stream *stream; zval *newval; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } php_stream_from_zval(stream, arg1); array_init(return_value); if (stream->wrapperdata) { MAKE_STD_ZVAL(newval); *newval = *(stream->wrapperdata); zval_copy_ctor(newval); add_assoc_zval(return_value, "wrapper_data", newval); } if (stream->wrapper) { add_assoc_string(return_value, "wrapper_type", (char *)stream->wrapper->wops->label, 1); } add_assoc_string(return_value, "stream_type", (char *)stream->ops->label, 1); if (stream->filterhead) { php_stream_filter *filter; MAKE_STD_ZVAL(newval); array_init(newval); for (filter = stream->filterhead; filter != NULL; filter = filter->next) { add_next_index_string(newval, (char *)filter->fops->label, 1); } add_assoc_zval(return_value, "filters", newval); } add_assoc_long(return_value, "unread_bytes", stream->writepos - stream->readpos); if (php_stream_is(stream, PHP_STREAM_IS_SOCKET)) { php_netstream_data_t *sock = PHP_NETSTREAM_DATA_FROM_STREAM(stream); add_assoc_bool(return_value, "timed_out", sock->timeout_event); add_assoc_bool(return_value, "blocked", sock->is_blocked); add_assoc_bool(return_value, "eof", stream->eof); } else { add_assoc_bool(return_value, "timed_out", 0); add_assoc_bool(return_value, "blocked", 1); add_assoc_bool(return_value, "eof", php_stream_eof(stream)); } } /* }}} */ /* {{{ proto array stream_get_wrappers() Retrieves list of registered stream wrappers */ PHP_FUNCTION(stream_get_wrappers) { HashTable *url_stream_wrappers_hash; char *stream_protocol; int key_flags, stream_protocol_len = 0; if (ZEND_NUM_ARGS() != 0) { WRONG_PARAM_COUNT; } if ((url_stream_wrappers_hash = php_stream_get_url_stream_wrappers_hash())) { array_init(return_value); for(zend_hash_internal_pointer_reset(url_stream_wrappers_hash); (key_flags = zend_hash_get_current_key_ex(url_stream_wrappers_hash, &stream_protocol, &stream_protocol_len, NULL, 0, NULL)) != HASH_KEY_NON_EXISTANT; zend_hash_move_forward(url_stream_wrappers_hash)) { if (key_flags == HASH_KEY_IS_STRING) { add_next_index_stringl(return_value, stream_protocol, stream_protocol_len, 1); } } } else { RETURN_FALSE; } } /* }}} */ /* {{{ stream_select related functions */ static int stream_array_to_fd_set(zval *stream_array, fd_set *fds, int *max_fd TSRMLS_DC) { zval **elem; php_stream *stream; int this_fd; if (Z_TYPE_P(stream_array) != IS_ARRAY) { return 0; } for (zend_hash_internal_pointer_reset(Z_ARRVAL_P(stream_array)); zend_hash_get_current_data(Z_ARRVAL_P(stream_array), (void **) &elem) == SUCCESS; zend_hash_move_forward(Z_ARRVAL_P(stream_array))) { php_stream_from_zval_no_verify(stream, elem); if (stream == NULL) { continue; } /* get the fd. * NB: Most other code will NOT use the PHP_STREAM_CAST_INTERNAL flag * when casting. It is only used here so that the buffered data warning * is not displayed. * */ if (SUCCESS == php_stream_cast(stream, PHP_STREAM_AS_FD | PHP_STREAM_CAST_INTERNAL, (void*)&this_fd, 1)) { FD_SET(this_fd, fds); if (this_fd > *max_fd) { *max_fd = this_fd; } } } return 1; } static int stream_array_from_fd_set(zval *stream_array, fd_set *fds TSRMLS_DC) { zval **elem, **dest_elem; php_stream *stream; HashTable *new_hash; int this_fd, ret = 0; if (Z_TYPE_P(stream_array) != IS_ARRAY) { return 0; } ALLOC_HASHTABLE(new_hash); zend_hash_init(new_hash, 0, NULL, ZVAL_PTR_DTOR, 0); for (zend_hash_internal_pointer_reset(Z_ARRVAL_P(stream_array)); zend_hash_get_current_data(Z_ARRVAL_P(stream_array), (void **) &elem) == SUCCESS; zend_hash_move_forward(Z_ARRVAL_P(stream_array))) { php_stream_from_zval_no_verify(stream, elem); if (stream == NULL) { continue; } /* get the fd * NB: Most other code will NOT use the PHP_STREAM_CAST_INTERNAL flag * when casting. It is only used here so that the buffered data warning * is not displayed. */ if (SUCCESS == php_stream_cast(stream, PHP_STREAM_AS_FD | PHP_STREAM_CAST_INTERNAL, (void*)&this_fd, 1)) { if (FD_ISSET(this_fd, fds)) { zend_hash_next_index_insert(new_hash, (void *)elem, sizeof(zval *), (void **)&dest_elem); if (dest_elem) { zval_add_ref(dest_elem); } ret++; continue; } } } /* destroy old array and add new one */ zend_hash_destroy(Z_ARRVAL_P(stream_array)); efree(Z_ARRVAL_P(stream_array)); zend_hash_internal_pointer_reset(new_hash); Z_ARRVAL_P(stream_array) = new_hash; return ret; } static int stream_array_emulate_read_fd_set(zval *stream_array TSRMLS_DC) { zval **elem, **dest_elem; php_stream *stream; HashTable *new_hash; int ret = 0; if (Z_TYPE_P(stream_array) != IS_ARRAY) { return 0; } ALLOC_HASHTABLE(new_hash); zend_hash_init(new_hash, 0, NULL, ZVAL_PTR_DTOR, 0); for (zend_hash_internal_pointer_reset(Z_ARRVAL_P(stream_array)); zend_hash_get_current_data(Z_ARRVAL_P(stream_array), (void **) &elem) == SUCCESS; zend_hash_move_forward(Z_ARRVAL_P(stream_array))) { php_stream_from_zval_no_verify(stream, elem); if (stream == NULL) { continue; } if ((stream->writepos - stream->readpos) > 0) { /* allow readable non-descriptor based streams to participate in stream_select. * Non-descriptor streams will only "work" if they have previously buffered the * data. Not ideal, but better than nothing. * This branch of code also allows blocking streams with buffered data to * operate correctly in stream_select. * */ zend_hash_next_index_insert(new_hash, (void *)elem, sizeof(zval *), (void **)&dest_elem); if (dest_elem) { zval_add_ref(dest_elem); } ret++; continue; } } if (ret > 0) { /* destroy old array and add new one */ zend_hash_destroy(Z_ARRVAL_P(stream_array)); efree(Z_ARRVAL_P(stream_array)); zend_hash_internal_pointer_reset(new_hash); Z_ARRVAL_P(stream_array) = new_hash; } else { zend_hash_destroy(new_hash); FREE_HASHTABLE(new_hash); } return ret; } /* }}} */ /* {{{ proto int stream_select(array &read_streams, array &write_streams, array &except_streams, int tv_sec[, int tv_usec]) Runs the select() system call on the sets of streams with a timeout specified by tv_sec and tv_usec */ PHP_FUNCTION(stream_select) { zval *r_array, *w_array, *e_array, *sec; struct timeval tv; struct timeval *tv_p = NULL; fd_set rfds, wfds, efds; int max_fd = 0; int retval, sets = 0, usec = 0; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "a!a!a!z!|l", &r_array, &w_array, &e_array, &sec, &usec) == FAILURE) return; FD_ZERO(&rfds); FD_ZERO(&wfds); FD_ZERO(&efds); if (r_array != NULL) sets += stream_array_to_fd_set(r_array, &rfds, &max_fd TSRMLS_CC); if (w_array != NULL) sets += stream_array_to_fd_set(w_array, &wfds, &max_fd TSRMLS_CC); if (e_array != NULL) sets += stream_array_to_fd_set(e_array, &efds, &max_fd TSRMLS_CC); if (!sets) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "No stream arrays were passed"); RETURN_FALSE; } /* If seconds is not set to null, build the timeval, else we wait indefinitely */ if (sec != NULL) { convert_to_long_ex(&sec); tv.tv_sec = Z_LVAL_P(sec); tv.tv_usec = usec; tv_p = &tv; } /* slight hack to support buffered data; if there is data sitting in the * read buffer of any of the streams in the read array, let's pretend * that we selected, but return only the readable sockets */ if (r_array != NULL) { retval = stream_array_emulate_read_fd_set(r_array TSRMLS_CC); if (retval > 0) { RETURN_LONG(retval); } } retval = select(max_fd+1, &rfds, &wfds, &efds, tv_p); if (retval == -1) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "unable to select [%d]: %s", errno, strerror(errno)); RETURN_FALSE; } if (r_array != NULL) stream_array_from_fd_set(r_array, &rfds TSRMLS_CC); if (w_array != NULL) stream_array_from_fd_set(w_array, &wfds TSRMLS_CC); if (e_array != NULL) stream_array_from_fd_set(e_array, &efds TSRMLS_CC); RETURN_LONG(retval); } /* }}} */ /* {{{ stream_context related functions */ static void user_space_stream_notifier(php_stream_context *context, int notifycode, int severity, char *xmsg, int xcode, size_t bytes_sofar, size_t bytes_max, void * ptr TSRMLS_DC) { zval *callback = (zval*)context->notifier->ptr; zval *retval = NULL; zval zvs[6]; zval *ps[6]; zval **ptps[6]; int i; for (i = 0; i < 6; i++) { INIT_ZVAL(zvs[i]); ps[i] = &zvs[i]; ptps[i] = &ps[i]; } ZVAL_LONG(ps[0], notifycode); ZVAL_LONG(ps[1], severity); if (xmsg) { ZVAL_STRING(ps[2], xmsg, 0); } else { ZVAL_NULL(ps[2]); } ZVAL_LONG(ps[3], xcode); ZVAL_LONG(ps[4], bytes_sofar); ZVAL_LONG(ps[5], bytes_max); if (FAILURE == call_user_function_ex(EG(function_table), NULL, callback, &retval, 6, ptps, 0, NULL TSRMLS_CC)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "failed to call user notifier"); } if (retval) { zval_ptr_dtor(&retval); } } static int parse_context_options(php_stream_context *context, zval *options) { HashPosition pos, opos; zval **wval, **oval; char *wkey, *okey; int wkey_len, okey_len; int ret = SUCCESS; zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(options), &pos); while (SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_P(options), (void**)&wval, &pos)) { if (HASH_KEY_IS_STRING == zend_hash_get_current_key_ex(Z_ARRVAL_P(options), &wkey, &wkey_len, NULL, 0, &pos) && Z_TYPE_PP(wval) == IS_ARRAY) { zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(wval), &opos); while (SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(wval), (void**)&oval, &opos)) { if (HASH_KEY_IS_STRING == zend_hash_get_current_key_ex(Z_ARRVAL_PP(wval), &okey, &okey_len, NULL, 0, &opos)) { ZVAL_ADDREF(*oval); php_stream_context_set_option(context, wkey, okey, *oval); } zend_hash_move_forward_ex(Z_ARRVAL_PP(wval), &opos); } } else { zend_error(E_WARNING, "options should have the form [\"wrappername\"][\"optionname\"] = $value"); } zend_hash_move_forward_ex(Z_ARRVAL_P(options), &pos); } return ret; } static int parse_context_params(php_stream_context *context, zval *params) { int ret = SUCCESS; zval **tmp; if (SUCCESS == zend_hash_find(Z_ARRVAL_P(params), "notification", sizeof("notification"), (void**)&tmp)) { if (context->notifier) { php_stream_notification_free(context->notifier); context->notifier = NULL; } context->notifier = php_stream_notification_alloc(); context->notifier->func = user_space_stream_notifier; context->notifier->ptr = *tmp; ZVAL_ADDREF(*tmp); } if (SUCCESS == zend_hash_find(Z_ARRVAL_P(params), "options", sizeof("options"), (void**)&tmp)) { parse_context_options(context, *tmp); } return ret; } /* given a zval which is either a stream or a context, return the underlying * stream_context. If it is a stream that does not have a context assigned, it * will create and assign a context and return that. */ static php_stream_context *decode_context_param(zval *contextresource TSRMLS_DC) { php_stream_context *context = NULL; context = zend_fetch_resource(&contextresource TSRMLS_CC, -1, "Stream-Context", NULL, 1, le_stream_context); if (context == NULL) { php_stream *stream; php_stream_from_zval_no_verify(stream, &contextresource); if (stream) { context = stream->context; if (context == NULL) { context = stream->context = php_stream_context_alloc(); } } } return context; } /* }}} */ /* {{{ proto array stream_context_get_options(resource context|resource stream) Retrieve options for a stream/wrapper/context */ PHP_FUNCTION(stream_context_get_options) { zval *zcontext; php_stream_context *context; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zcontext) == FAILURE) { RETURN_FALSE; } context = decode_context_param(zcontext TSRMLS_CC); ZEND_VERIFY_RESOURCE(context); array_init(return_value); *return_value = *context->options; zval_copy_ctor(return_value); } /* }}} */ /* {{{ proto bool stream_context_set_option(resource context|resource stream, string wrappername, string optionname, mixed value) Set an option for a wrapper */ PHP_FUNCTION(stream_context_set_option) { zval *options = NULL, *zcontext = NULL, *zvalue = NULL; php_stream_context *context; char *wrappername, *optionname; int wrapperlen, optionlen; if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "rssz", &zcontext, &wrappername, &wrapperlen, &optionname, &optionlen, &zvalue) == FAILURE) { if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "ra", &zcontext, &options) == FAILURE) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "called with wrong number or type of parameters; please RTM"); RETURN_FALSE; } } /* figure out where the context is coming from exactly */ context = decode_context_param(zcontext TSRMLS_CC); ZEND_VERIFY_RESOURCE(context); if (options) { /* handle the array syntax */ RETVAL_BOOL(parse_context_options(context, options) == SUCCESS); } else { ZVAL_ADDREF(zvalue); php_stream_context_set_option(context, wrappername, optionname, zvalue); RETVAL_TRUE; } } /* }}} */ /* {{{ proto bool stream_context_set_params(resource context|resource stream, array options) Set parameters for a file context */ PHP_FUNCTION(stream_context_set_params) { zval *params, *zcontext; php_stream_context *context; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ra", &zcontext, ¶ms) == FAILURE) { RETURN_FALSE; } context = decode_context_param(zcontext TSRMLS_CC); ZEND_VERIFY_RESOURCE(context); RETVAL_BOOL(parse_context_params(context, params) == SUCCESS); } /* }}} */ /* {{{ proto resource stream_context_create([array options]) Create a file context and optionally set parameters */ PHP_FUNCTION(stream_context_create) { zval *params = NULL; php_stream_context *context; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|a", ¶ms) == FAILURE) { RETURN_FALSE; } context = php_stream_context_alloc(); if (params) { parse_context_options(context, params); } ZEND_REGISTER_RESOURCE(return_value, context, le_stream_context); } /* }}} */ /* {{{ streams filter functions */ static void apply_filter_to_stream(int append, INTERNAL_FUNCTION_PARAMETERS) { zval *zstream; php_stream *stream; char *filtername, *filterparams = NULL; int filternamelen, filterparamslen = 0; php_stream_filter *filter; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs|s", &zstream, &filtername, &filternamelen, &filterparams, &filterparamslen) == FAILURE) { RETURN_FALSE; } php_stream_from_zval(stream, &zstream); filter = php_stream_filter_create(filtername, filterparams, filterparamslen, php_stream_is_persistent(stream) TSRMLS_CC); if (filter == NULL) { RETURN_FALSE; } if (append) { php_stream_filter_append(stream, filter); } else { php_stream_filter_prepend(stream, filter); } RETURN_TRUE; } /* {{{ proto bool stream_filter_prepend(resource stream, string filtername[, string filterparams]) Prepend a filter to a stream */ PHP_FUNCTION(stream_filter_prepend) { apply_filter_to_stream(0, INTERNAL_FUNCTION_PARAM_PASSTHRU); } /* }}} */ /* {{{ proto bool stream_filter_append(resource stream, string filtername[, string filterparams]) Append a filter to a stream */ PHP_FUNCTION(stream_filter_append) { apply_filter_to_stream(1, INTERNAL_FUNCTION_PARAM_PASSTHRU); } /* }}} */ /* {{{ proto string stream_get_line(resource stream, int maxlen, string ending) Read up to maxlen bytes from a stream or until the ending string is found */ PHP_FUNCTION(stream_get_line) { char *str; int str_len; long max_length; zval *zstream; char *buf; size_t buf_size; php_stream *stream; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rls", &zstream, &max_length, &str, &str_len) == FAILURE) { RETURN_FALSE; } if (max_length < 0) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "The maximum allowed length must be greater then or equal to zero."); RETURN_FALSE; } php_stream_from_zval(stream, &zstream); if ((buf = php_stream_get_record(stream, max_length, &buf_size, str, str_len TSRMLS_CC))) { RETURN_STRINGL(buf, buf_size, 0); } 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 (zcontext) { ZEND_FETCH_RESOURCE(context, php_stream_context*, &zcontext, -1, "stream-context", le_stream_context); } 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); return; } /* }}} */ /* {{{ proto bool fclose(resource fp) Close an open file pointer */ PHPAPI PHP_FUNCTION(fclose) { zval **arg1; php_stream *stream; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } php_stream_from_zval(stream, arg1); php_stream_close(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) { zval **arg1, **arg2; FILE *fp; char *p, *tmp = NULL; char *b, buf[1024]; php_stream *stream; if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(arg1); convert_to_string_ex(arg2); p = estrndup(Z_STRVAL_PP(arg2), Z_STRLEN_PP(arg2)); if (PG(safe_mode)){ b = strchr(Z_STRVAL_PP(arg1), ' '); if (!b) { b = strrchr(Z_STRVAL_PP(arg1), '/'); } else { char *c; c = Z_STRVAL_PP(arg1); while((*b != '/') && (b != c)) { b--; } if (b == c) { b = NULL; } } if (b) { snprintf(buf, sizeof(buf), "%s%s", PG(safe_mode_exec_dir), b); } else { snprintf(buf, sizeof(buf), "%s/%s", PG(safe_mode_exec_dir), Z_STRVAL_PP(arg1)); } tmp = php_escape_shell_cmd(buf); fp = VCWD_POPEN(tmp, p); efree(tmp); if (!fp) { php_error_docref2(NULL TSRMLS_CC, buf, p, E_WARNING, "%s", strerror(errno)); RETURN_FALSE; } } else { fp = VCWD_POPEN(Z_STRVAL_PP(arg1), p); if (!fp) { php_error_docref2(NULL TSRMLS_CC, Z_STRVAL_PP(arg1), p, E_WARNING, "%s", strerror(errno)); efree(p); RETURN_FALSE; } } stream = php_stream_fopen_from_pipe(fp, p); if (stream == NULL) { php_error_docref2(NULL TSRMLS_CC, Z_STRVAL_PP(arg1), p, E_WARNING, "%s", strerror(errno)); RETVAL_FALSE; } else { php_stream_to_zval(stream, return_value); } efree(p); } /* }}} */ /* {{{ proto int pclose(resource fp) Close a file pointer opened by popen() */ PHP_FUNCTION(pclose) { zval **arg1; php_stream *stream; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } php_stream_from_zval(stream, arg1); RETURN_LONG(php_stream_close(stream)); } /* }}} */ /* {{{ 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_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } php_stream_from_zval(stream, arg1); if (php_stream_eof(stream)) { RETURN_TRUE; } else { RETURN_FALSE; } } /* }}} */ /* {{{ proto bool stream_set_blocking(resource socket, int mode) Set blocking/non-blocking mode on a socket or stream */ PHP_FUNCTION(stream_set_blocking) { zval **arg1, **arg2; int block; php_stream *stream; if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) { WRONG_PARAM_COUNT; } php_stream_from_zval(stream, arg1); convert_to_long_ex(arg2); block = Z_LVAL_PP(arg2); if (php_stream_set_option(stream, PHP_STREAM_OPTION_BLOCKING, block == 0 ? 0 : 1, NULL) == -1) RETURN_FALSE; RETURN_TRUE; } /* }}} */ /* {{{ proto bool set_socket_blocking(resource socket, int mode) Set blocking/non-blocking mode on a socket */ PHP_FUNCTION(set_socket_blocking) { php_error_docref(NULL TSRMLS_CC, E_NOTICE, "This function is deprecated, use stream_set_blocking() instead"); PHP_FN(stream_set_blocking)(INTERNAL_FUNCTION_PARAM_PASSTHRU); } /* }}} */ /* {{{ proto bool stream_set_timeout(resource stream, int seconds, int microseconds) Set timeout on stream read to seconds + microseonds */ #if HAVE_SYS_TIME_H || defined(PHP_WIN32) PHP_FUNCTION(stream_set_timeout) { zval **socket, **seconds, **microseconds; struct timeval t; php_stream *stream; if (ZEND_NUM_ARGS() < 2 || ZEND_NUM_ARGS() > 3 || zend_get_parameters_ex(ZEND_NUM_ARGS(), &socket, &seconds, µseconds)==FAILURE) { WRONG_PARAM_COUNT; } php_stream_from_zval(stream, socket); convert_to_long_ex(seconds); t.tv_sec = Z_LVAL_PP(seconds); if (ZEND_NUM_ARGS() == 3) { convert_to_long_ex(microseconds); t.tv_usec = Z_LVAL_PP(microseconds) % 1000000; t.tv_sec += Z_LVAL_PP(microseconds) / 1000000; } else t.tv_usec = 0; if (PHP_STREAM_OPTION_RETURN_OK == php_stream_set_option(stream, PHP_STREAM_OPTION_READ_TIMEOUT, 0, &t)) { RETURN_TRUE; } RETURN_FALSE; } #endif /* HAVE_SYS_TIME_H || defined(PHP_WIN32) */ /* }}} */ /* {{{ proto string fgets(resource fp[, int length]) Get a line from file pointer */ PHPAPI PHP_FUNCTION(fgets) { zval **arg1, **arg2; int len = 1024; char *buf = NULL; int argc = ZEND_NUM_ARGS(); size_t line_len = 0; php_stream *stream; if (argc<1 || argc>2 || zend_get_parameters_ex(argc, &arg1, &arg2) == FAILURE) { WRONG_PARAM_COUNT; } php_stream_from_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) { convert_to_long_ex(arg2); len = Z_LVAL_PP(arg2); if (len < 0) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter may not be negative"); 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; int result; php_stream *stream; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } php_stream_from_zval(stream, arg1); buf = emalloc(2 * sizeof(char)); result = php_stream_getc(stream); if (result == EOF) { efree(buf); RETVAL_FALSE; } else { buf[0] = result; buf[1] = '\0'; RETURN_STRINGL(buf, 1, 0); } } /* }}} */ /* {{{ 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, **bytes, **allow=NULL; int len; char *buf; php_stream *stream; char *allowed_tags=NULL; int allowed_tags_len=0; switch(ZEND_NUM_ARGS()) { case 2: if (zend_get_parameters_ex(2, &fd, &bytes) == FAILURE) { RETURN_FALSE; } break; case 3: if (zend_get_parameters_ex(3, &fd, &bytes, &allow) == FAILURE) { RETURN_FALSE; } convert_to_string_ex(allow); allowed_tags = Z_STRVAL_PP(allow); allowed_tags_len = Z_STRLEN_PP(allow); break; default: WRONG_PARAM_COUNT; /* NOTREACHED */ break; } php_stream_from_zval(stream, fd); convert_to_long_ex(bytes); len = Z_LVAL_PP(bytes); if (len < 0) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter may not be negative"); RETURN_FALSE; } buf = emalloc(sizeof(char) * (len + 1)); /*needed because recv doesnt set null char at end*/ memset(buf, 0, len + 1); if (php_stream_gets(stream, buf, len) == NULL) { efree(buf); RETURN_FALSE; } /* strlen() can be used here since we are doing it on the return of an fgets() anyway */ php_strip_tags(buf, strlen(buf), &stream->fgetss_state, allowed_tags, allowed_tags_len); RETURN_STRING(buf, 0); } /* }}} */ /* {{{ proto mixed fscanf(resource stream, string format [, string ...]) Implements a mostly ANSI compatible fscanf() */ PHP_FUNCTION(fscanf) { int result; zval **file_handle, **format_string; size_t len; int type; char *buf; void *what; zval ***args; int argCount; argCount = ZEND_NUM_ARGS(); if (argCount < 2) { WRONG_PARAM_COUNT; } args = (zval ***)emalloc(argCount * sizeof(zval **)); if (zend_get_parameters_array_ex(argCount, args) == FAILURE) { efree( args ); WRONG_PARAM_COUNT; } file_handle = args[0]; format_string = args[1]; 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) { efree(args); RETURN_FALSE; } buf = php_stream_get_line((php_stream *) what, NULL, 0, &len); if (buf == NULL) { efree(args); RETURN_FALSE; } convert_to_string_ex(format_string); result = php_sscanf_internal(buf, Z_STRVAL_PP(format_string), argCount, args, 2, &return_value TSRMLS_CC); 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, **arg2, **arg3=NULL; int ret; int num_bytes; char *buffer = NULL; php_stream *stream; switch (ZEND_NUM_ARGS()) { case 2: if (zend_get_parameters_ex(2, &arg1, &arg2)==FAILURE) { RETURN_FALSE; } convert_to_string_ex(arg2); num_bytes = Z_STRLEN_PP(arg2); break; case 3: if (zend_get_parameters_ex(3, &arg1, &arg2, &arg3)==FAILURE) { RETURN_FALSE; } convert_to_string_ex(arg2); convert_to_long_ex(arg3); num_bytes = MIN(Z_LVAL_PP(arg3), Z_STRLEN_PP(arg2)); break; default: WRONG_PARAM_COUNT; /* NOTREACHED */ break; } php_stream_from_zval(stream, arg1); if (!arg3 && PG(magic_quotes_runtime)) { buffer = estrndup(Z_STRVAL_PP(arg2), Z_STRLEN_PP(arg2)); php_stripslashes(buffer, &num_bytes TSRMLS_CC); } ret = php_stream_write(stream, buffer ? buffer : Z_STRVAL_PP(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_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } php_stream_from_zval(stream, arg1); ret = php_stream_flush(stream); if (ret) { RETURN_FALSE; } RETURN_TRUE; } /* }}} */ /* {{{ proto int stream_set_write_buffer(resource fp, int buffer) Set file write buffer */ PHP_FUNCTION(stream_set_write_buffer) { zval **arg1, **arg2; int ret; size_t buff; php_stream *stream; switch (ZEND_NUM_ARGS()) { case 2: if (zend_get_parameters_ex(2, &arg1, &arg2)==FAILURE) { RETURN_FALSE; } break; default: WRONG_PARAM_COUNT; /* NOTREACHED */ break; } php_stream_from_zval(stream, arg1); convert_to_long_ex(arg2); buff = Z_LVAL_PP(arg2); /* if buff is 0 then set to non-buffered */ if (buff == 0) { ret = php_stream_set_option(stream, PHP_STREAM_OPTION_WRITE_BUFFER, PHP_STREAM_BUFFER_NONE, NULL); } else { ret = php_stream_set_option(stream, PHP_STREAM_OPTION_WRITE_BUFFER, PHP_STREAM_BUFFER_FULL, &buff); } RETURN_LONG(ret == 0 ? 0 : EOF); } /* }}} */ /* {{{ proto bool rewind(resource fp) Rewind the position of a file pointer */ PHPAPI PHP_FUNCTION(rewind) { zval **arg1; php_stream *stream; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } php_stream_from_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_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } php_stream_from_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, **arg2, **arg3; int argcount = ZEND_NUM_ARGS(), whence = SEEK_SET; php_stream *stream; if (argcount < 2 || argcount > 3 || zend_get_parameters_ex(argcount, &arg1, &arg2, &arg3) == FAILURE) { WRONG_PARAM_COUNT; } php_stream_from_zval(stream, arg1); convert_to_long_ex(arg2); if (argcount > 2) { convert_to_long_ex(arg3); whence = Z_LVAL_PP(arg3); } RETURN_LONG(php_stream_seek(stream, Z_LVAL_PP(arg2), whence)); } /* }}} */ /* {{{ proto int mkdir(char *dir int mode) */ PHPAPI int php_mkdir(char *dir, long mode 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) { php_error_docref(NULL TSRMLS_CC, E_WARNING, strerror(errno)); } return ret; } /* }}} */ /* {{{ proto bool mkdir(string pathname [, int mode [, bool recursive]) Create a directory */ PHP_FUNCTION(mkdir) { int dir_len, ret; long mode = 0777; char *dir; zend_bool recursive = 0; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|lb", &dir, &dir_len, &mode, &recursive) == FAILURE) { return; } if (!recursive) { ret = php_mkdir(dir, mode TSRMLS_CC); } else { /* we look for directory separator from the end of string, thus hopefuly reducing our work load */ char *p, *e, *buf; struct stat sb; buf = estrndup(dir, dir_len); e = buf + dir_len; /* find a top level directory we need to create */ while ((p = strrchr(buf, DEFAULT_SLASH))) { *p = '\0'; if (VCWD_STAT(buf, &sb) == 0) { *p = DEFAULT_SLASH; break; } } if (p == buf) { ret = php_mkdir(dir, mode TSRMLS_CC); } else if (!(ret = php_mkdir(buf, mode TSRMLS_CC))) { if (!p) { p = buf; } /* create any needed directories if the creation of the 1st directory worked */ while (++p != e) { if (*p == '\0' && *(p + 1) != '\0') { *p = DEFAULT_SLASH; if ((ret = VCWD_MKDIR(buf, (mode_t)mode)) < 0) { php_error_docref(NULL TSRMLS_CC, E_WARNING, strerror(errno)); break; } } } } efree(buf); } if (ret < 0) { RETURN_FALSE; } else { RETURN_TRUE; } } /* }}} */ /* {{{ proto bool rmdir(string dirname) Remove a directory */ PHP_FUNCTION(rmdir) { zval **arg1; int ret; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(arg1); if (PG(safe_mode) &&(!php_checkuid(Z_STRVAL_PP(arg1), NULL, CHECKUID_CHECK_FILE_AND_DIR))) { RETURN_FALSE; } if (php_check_open_basedir(Z_STRVAL_PP(arg1) TSRMLS_CC)) { RETURN_FALSE; } ret = VCWD_RMDIR(Z_STRVAL_PP(arg1)); if (ret < 0) { php_error_docref1(NULL TSRMLS_CC, Z_STRVAL_PP(arg1), E_WARNING, "%s", strerror(errno)); RETURN_FALSE; } RETURN_TRUE; } /* }}} */ /* {{{ proto int readfile(string filename [, int use_include_path]) Output a file or a URL */ PHP_FUNCTION(readfile) { zval **arg1, **arg2; int size=0; int use_include_path=0; php_stream *stream; /* check args */ switch (ZEND_NUM_ARGS()) { case 1: if (zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } break; case 2: if (zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_long_ex(arg2); use_include_path = Z_LVAL_PP(arg2); break; default: WRONG_PARAM_COUNT; } convert_to_string_ex(arg1); stream = php_stream_open_wrapper(Z_STRVAL_PP(arg1), "rb", (use_include_path ? USE_PATH : 0) | ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL); 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) { pval **arg1; int oldumask; int arg_count = ZEND_NUM_ARGS(); oldumask = umask(077); if (arg_count == 0) { umask(oldumask); } else { if (arg_count > 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_long_ex(arg1); umask(Z_LVAL_PP(arg1)); } /* XXX we should maybe reset the umask after each request! */ 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_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } php_stream_from_zval(stream, arg1); size = php_stream_passthru(stream); RETURN_LONG(size); } /* }}} */ /* {{{ proto bool rename(string old_name, string new_name) Rename a file */ PHP_FUNCTION(rename) { zval **old_arg, **new_arg; char *old_name, *new_name; int ret; if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &old_arg, &new_arg) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(old_arg); convert_to_string_ex(new_arg); old_name = Z_STRVAL_PP(old_arg); new_name = Z_STRVAL_PP(new_arg); if (PG(safe_mode) &&(!php_checkuid(old_name, NULL, CHECKUID_CHECK_FILE_AND_DIR))) { RETURN_FALSE; } if (php_check_open_basedir(old_name TSRMLS_CC)) { RETURN_FALSE; } ret = VCWD_RENAME(old_name, new_name); if (ret == -1) { php_error_docref2(NULL TSRMLS_CC, old_name, new_name, E_WARNING, "%s", strerror(errno)); RETURN_FALSE; } RETURN_TRUE; } /* }}} */ /* {{{ proto bool unlink(string filename) Delete a file */ PHP_FUNCTION(unlink) { zval **filename; int ret; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &filename) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(filename); if (PG(safe_mode) && !php_checkuid(Z_STRVAL_PP(filename), NULL, CHECKUID_CHECK_FILE_AND_DIR)) { RETURN_FALSE; } if (php_check_open_basedir(Z_STRVAL_PP(filename) TSRMLS_CC)) { RETURN_FALSE; } ret = VCWD_UNLINK(Z_STRVAL_PP(filename)); if (ret == -1) { php_error_docref1(NULL TSRMLS_CC, Z_STRVAL_PP(filename), E_WARNING, "%s", strerror(errno)); RETURN_FALSE; } /* Clear stat cache */ PHP_FN(clearstatcache)(INTERNAL_FUNCTION_PARAM_PASSTHRU); RETURN_TRUE; } /* }}} */ /* {{{ proto int ftruncate(resource fp, int size) Truncate file to 'size' length */ PHP_NAMED_FUNCTION(php_if_ftruncate) { zval **fp , **size; short int ret; int fd; php_stream *stream; if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &fp, &size) == FAILURE) { WRONG_PARAM_COUNT; } php_stream_from_zval(stream, fp); convert_to_long_ex(size); if (php_stream_is(stream, PHP_STREAM_IS_SOCKET)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Can't truncate sockets!"); RETURN_FALSE; } if (SUCCESS == php_stream_cast(stream, PHP_STREAM_AS_FD, (void*)&fd, 1)) { ret = ftruncate(fd, Z_LVAL_PP(size)); RETURN_LONG(ret + 1); } RETURN_FALSE; } /* }}} */ /* {{{ proto int 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_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &fp) == FAILURE) { WRONG_PARAM_COUNT; } php_stream_from_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); #if defined(NETWARE) && defined(CLIB_STAT_PATCH) MAKE_LONG_ZVAL_INCREF(stat_atime, stat_ssb.sb.st_atime.tv_sec); MAKE_LONG_ZVAL_INCREF(stat_mtime, stat_ssb.sb.st_mtime.tv_sec); MAKE_LONG_ZVAL_INCREF(stat_ctime, stat_ssb.sb.st_ctime.tv_sec); #else 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); #endif #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) Copy a file */ PHP_FUNCTION(copy) { zval **source, **target; if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &source, &target) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(source); convert_to_string_ex(target); if (PG(safe_mode) &&(!php_checkuid(Z_STRVAL_PP(source), NULL, CHECKUID_CHECK_FILE_AND_DIR))) { RETURN_FALSE; } if (php_check_open_basedir(Z_STRVAL_PP(source) TSRMLS_CC)) { RETURN_FALSE; } if (php_copy_file(Z_STRVAL_PP(source), Z_STRVAL_PP(target) TSRMLS_CC)==SUCCESS) { RETURN_TRUE; } else { RETURN_FALSE; } } /* }}} */ /* {{{ php_copy_file */ PHPAPI int php_copy_file(char *src, char *dest TSRMLS_DC) { php_stream *srcstream = NULL, *deststream = NULL; int ret = FAILURE; srcstream = php_stream_open_wrapper(src, "rb", ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL); if (!srcstream) { return ret; } deststream = php_stream_open_wrapper(dest, "wb", ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL); if (srcstream && deststream) { ret = php_stream_copy_to_stream(srcstream, deststream, PHP_STREAM_COPY_ALL) == 0 ? FAILURE : SUCCESS; } 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, **arg2; int len; php_stream *stream; if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) { WRONG_PARAM_COUNT; } php_stream_from_zval(stream, arg1); convert_to_long_ex(arg2); len = Z_LVAL_PP(arg2); if (len < 0) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter may not be negative"); 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; } /* }}} */ /* {{{ proto array fgetcsv(resource fp, int length [, string delimiter [, string enclosure]]) Get line from file pointer and parse for CSV fields */ PHP_FUNCTION(fgetcsv) { char *temp, *tptr, *bptr, *lineEnd; char delimiter = ','; /* allow this to be set as parameter */ char enclosure = '"'; /* allow this to be set as parameter */ /* first section exactly as php_fgetss */ zval **fd, **bytes, **p_delim, **p_enclosure; int len, temp_len; char *buf; php_stream *stream; switch(ZEND_NUM_ARGS()) { case 2: if (zend_get_parameters_ex(2, &fd, &bytes) == FAILURE) { WRONG_PARAM_COUNT; } break; case 3: if (zend_get_parameters_ex(3, &fd, &bytes, &p_delim) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(p_delim); /* Make sure that there is at least one character in string */ if (Z_STRLEN_PP(p_delim) < 1) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Third parameter must be a character"); return; } /* use first character from string */ delimiter = Z_STRVAL_PP(p_delim)[0]; break; case 4: if (zend_get_parameters_ex(4, &fd, &bytes, &p_delim, &p_enclosure) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(p_delim); /* Make sure that there is at least one character in string */ if (Z_STRLEN_PP(p_delim) < 1) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Third parameter must be a character"); return; } /* use first character from string */ delimiter = Z_STRVAL_PP(p_delim)[0]; convert_to_string_ex(p_enclosure); /* use first character from string */ enclosure = Z_STRVAL_PP(p_enclosure)[0]; break; default: WRONG_PARAM_COUNT; /* NOTREACHED */ break; } php_stream_from_zval(stream, fd); convert_to_long_ex(bytes); len = Z_LVAL_PP(bytes); if (len < 0) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter may not be negative"); RETURN_FALSE; } buf = emalloc(len + 1); /* needed because recv/read/gzread doesnt set null char at end */ memset(buf, 0, len + 1); if (php_stream_gets(stream, buf, len) == NULL) { efree(buf); RETURN_FALSE; } /* 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 */ lineEnd = emalloc(len + 1); bptr = buf; tptr = buf + strlen(buf) -1; while ( isspace((int) *tptr) && (*tptr!=delimiter) && (tptr > bptr) ) tptr--; tptr++; strcpy(lineEnd, tptr); /* add single space - makes it easier to parse trailing null field */ *tptr++ = ' '; *tptr = 0; /* reserve workspace for building each individual field */ temp_len = len; temp = emalloc(temp_len + 1); /* unlikely but possible! */ tptr = temp; /* 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 { /* 1. Strip any leading space */ while(isspace((int) *bptr) && (*bptr!=delimiter)) bptr++; /* 2. Read field, leaving bptr pointing at start of next field */ if (enclosure && *bptr == enclosure) { bptr++; /* move on to first character in field */ /* 2A. handle enclosure delimited field */ while (*bptr) { if (*bptr == enclosure) { /* handle the enclosure */ if ( *(bptr+1) == enclosure) { /* embedded enclosure */ *tptr++ = *bptr; bptr +=2; } else { /* must be end of string - skip to start of next field or end */ while ( (*bptr != delimiter) && *bptr ) bptr++; if (*bptr == delimiter) bptr++; *tptr=0; /* terminate temporary string */ break; /* .. from handling this field - resumes at 3. */ } } else { /* normal character */ *tptr++ = *bptr++; if (*bptr == 0) { /* embedded line end? */ *(tptr-1)=0; /* remove space character added on reading line */ strcat(temp, lineEnd); /* add the embedded line end to the field */ /* read a new line from input, as at start of routine */ memset(buf, 0, len+1); if (php_stream_gets(stream, buf, 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 (temp_len > len) { break; } efree(lineEnd); efree(temp); efree(buf); zval_dtor(return_value); RETURN_FALSE; } temp_len += len; temp = erealloc(temp, temp_len+1); bptr = buf; tptr = buf + strlen(buf) -1; while (isspace((int) *tptr) && (*tptr!=delimiter) && (tptr > bptr)) tptr--; tptr++; strcpy(lineEnd, tptr); *tptr++ = ' '; *tptr = 0; tptr = temp; /* reset temp pointer to end of field as read so far */ while (*tptr) tptr++; } } } } else { /* 2B. Handle non-enclosure field */ while ((*bptr != delimiter) && *bptr) *tptr++ = *bptr++; *tptr=0; /* terminate temporary string */ if (strlen(temp)) { tptr--; while (isspace((int)*tptr) && (*tptr!=delimiter)) *tptr-- = 0; /* strip any trailing spaces */ } if (*bptr == delimiter) bptr++; } /* 3. Now pass our field back to php */ add_next_index_string(return_value, temp, 1); tptr = temp; } while (*bptr); efree(lineEnd); efree(temp); efree(buf); } /* }}} */ #if (!defined(PHP_WIN32) && !defined(__BEOS__) && !defined(NETWARE) && HAVE_REALPATH) || defined(ZTS) /* {{{ proto string realpath(string path) Return the resolved path */ PHP_FUNCTION(realpath) { zval **path; char resolved_path_buff[MAXPATHLEN]; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(ZEND_NUM_ARGS(), &path) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(path); if (VCWD_REALPATH(Z_STRVAL_PP(path), resolved_path_buff)) { 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 = NULL; char *filename = NULL; int argc = ZEND_NUM_ARGS(); int pattern_len; int filename_len; long flags=0; if (zend_parse_parameters(argc TSRMLS_CC, "ss|l", &pattern, &pattern_len, &filename, &filename_len, &flags) == FAILURE) return; RETURN_BOOL( ! fnmatch( pattern, filename, flags )); } /* }}} */ #endif /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * End: * vim600: noet sw=4 ts=4 fdm=marker * vim<600: noet sw=4 ts=4 */