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c245898bfa
This patch follows previous license year ranges updates. With new approach source code files now have simplified headers with license information without year ranges.
970 lines
33 KiB
C
970 lines
33 KiB
C
/*
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+----------------------------------------------------------------------+
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| phar:// stream wrapper support |
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+----------------------------------------------------------------------+
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| Copyright (c) The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt. |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Gregory Beaver <cellog@php.net> |
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| Marcus Boerger <helly@php.net> |
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+----------------------------------------------------------------------+
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*/
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#define PHAR_STREAM 1
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#include "phar_internal.h"
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#include "stream.h"
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#include "dirstream.h"
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const php_stream_ops phar_ops = {
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phar_stream_write, /* write */
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phar_stream_read, /* read */
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phar_stream_close, /* close */
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phar_stream_flush, /* flush */
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"phar stream",
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phar_stream_seek, /* seek */
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NULL, /* cast */
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phar_stream_stat, /* stat */
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NULL, /* set option */
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};
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const php_stream_wrapper_ops phar_stream_wops = {
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phar_wrapper_open_url,
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NULL, /* phar_wrapper_close */
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NULL, /* phar_wrapper_stat, */
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phar_wrapper_stat, /* stat_url */
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phar_wrapper_open_dir, /* opendir */
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"phar",
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phar_wrapper_unlink, /* unlink */
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phar_wrapper_rename, /* rename */
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phar_wrapper_mkdir, /* create directory */
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phar_wrapper_rmdir, /* remove directory */
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NULL
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};
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const php_stream_wrapper php_stream_phar_wrapper = {
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&phar_stream_wops,
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NULL,
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0 /* is_url */
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};
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/**
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* Open a phar file for streams API
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*/
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php_url* phar_parse_url(php_stream_wrapper *wrapper, const char *filename, const char *mode, int options) /* {{{ */
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{
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php_url *resource;
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char *arch = NULL, *entry = NULL, *error;
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size_t arch_len, entry_len;
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if (strlen(filename) < 7 || strncasecmp(filename, "phar://", 7)) {
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return NULL;
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}
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if (mode[0] == 'a') {
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if (!(options & PHP_STREAM_URL_STAT_QUIET)) {
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php_stream_wrapper_log_error(wrapper, options, "phar error: open mode append not supported");
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}
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return NULL;
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}
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if (phar_split_fname(filename, strlen(filename), &arch, &arch_len, &entry, &entry_len, 2, (mode[0] == 'w' ? 2 : 0)) == FAILURE) {
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if (!(options & PHP_STREAM_URL_STAT_QUIET)) {
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if (arch && !entry) {
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php_stream_wrapper_log_error(wrapper, options, "phar error: no directory in \"%s\", must have at least phar://%s/ for root directory (always use full path to a new phar)", filename, arch);
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arch = NULL;
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} else {
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php_stream_wrapper_log_error(wrapper, options, "phar error: invalid url or non-existent phar \"%s\"", filename);
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}
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}
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return NULL;
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}
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resource = ecalloc(1, sizeof(php_url));
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resource->scheme = zend_string_init("phar", 4, 0);
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resource->host = zend_string_init(arch, arch_len, 0);
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efree(arch);
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resource->path = zend_string_init(entry, entry_len, 0);
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efree(entry);
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#if MBO_0
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if (resource) {
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fprintf(stderr, "Alias: %s\n", alias);
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fprintf(stderr, "Scheme: %s\n", ZSTR_VAL(resource->scheme));
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/* fprintf(stderr, "User: %s\n", resource->user);*/
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/* fprintf(stderr, "Pass: %s\n", resource->pass ? "***" : NULL);*/
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fprintf(stderr, "Host: %s\n", ZSTR_VAL(resource->host));
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/* fprintf(stderr, "Port: %d\n", resource->port);*/
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fprintf(stderr, "Path: %s\n", ZSTR_VAL(resource->path));
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/* fprintf(stderr, "Query: %s\n", resource->query);*/
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/* fprintf(stderr, "Fragment: %s\n", resource->fragment);*/
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}
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#endif
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if (mode[0] == 'w' || (mode[0] == 'r' && mode[1] == '+')) {
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phar_archive_data *pphar = NULL, *phar;
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if (PHAR_G(request_init) && HT_IS_INITIALIZED(&PHAR_G(phar_fname_map)) && NULL == (pphar = zend_hash_find_ptr(&(PHAR_G(phar_fname_map)), resource->host))) {
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pphar = NULL;
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}
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if (PHAR_G(readonly) && (!pphar || !pphar->is_data)) {
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if (!(options & PHP_STREAM_URL_STAT_QUIET)) {
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php_stream_wrapper_log_error(wrapper, options, "phar error: write operations disabled by the php.ini setting phar.readonly");
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}
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php_url_free(resource);
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return NULL;
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}
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if (phar_open_or_create_filename(ZSTR_VAL(resource->host), ZSTR_LEN(resource->host), NULL, 0, 0, options, &phar, &error) == FAILURE)
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{
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if (error) {
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if (!(options & PHP_STREAM_URL_STAT_QUIET)) {
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php_stream_wrapper_log_error(wrapper, options, "%s", error);
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}
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efree(error);
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}
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php_url_free(resource);
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return NULL;
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}
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if (phar->is_persistent && FAILURE == phar_copy_on_write(&phar)) {
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if (error) {
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spprintf(&error, 0, "Cannot open cached phar '%s' as writeable, copy on write failed", ZSTR_VAL(resource->host));
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if (!(options & PHP_STREAM_URL_STAT_QUIET)) {
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php_stream_wrapper_log_error(wrapper, options, "%s", error);
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}
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efree(error);
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}
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php_url_free(resource);
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return NULL;
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}
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} else {
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if (phar_open_from_filename(ZSTR_VAL(resource->host), ZSTR_LEN(resource->host), NULL, 0, options, NULL, &error) == FAILURE)
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{
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if (error) {
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if (!(options & PHP_STREAM_URL_STAT_QUIET)) {
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php_stream_wrapper_log_error(wrapper, options, "%s", error);
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}
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efree(error);
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}
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php_url_free(resource);
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return NULL;
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}
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}
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return resource;
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}
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/* }}} */
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/**
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* used for fopen('phar://...') and company
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*/
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static php_stream * phar_wrapper_open_url(php_stream_wrapper *wrapper, const char *path, const char *mode, int options, zend_string **opened_path, php_stream_context *context STREAMS_DC) /* {{{ */
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{
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phar_archive_data *phar;
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phar_entry_data *idata;
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char *internal_file;
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char *error;
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HashTable *pharcontext;
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php_url *resource = NULL;
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php_stream *fpf;
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zval *pzoption, *metadata;
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uint32_t host_len;
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if ((resource = phar_parse_url(wrapper, path, mode, options)) == NULL) {
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return NULL;
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}
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/* we must have at the very least phar://alias.phar/internalfile.php */
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if (!resource->scheme || !resource->host || !resource->path) {
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php_url_free(resource);
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php_stream_wrapper_log_error(wrapper, options, "phar error: invalid url \"%s\"", path);
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return NULL;
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}
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if (!zend_string_equals_literal_ci(resource->scheme, "phar")) {
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php_url_free(resource);
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php_stream_wrapper_log_error(wrapper, options, "phar error: not a phar stream url \"%s\"", path);
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return NULL;
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}
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host_len = ZSTR_LEN(resource->host);
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phar_request_initialize();
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/* strip leading "/" */
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internal_file = estrndup(ZSTR_VAL(resource->path) + 1, ZSTR_LEN(resource->path) - 1);
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if (mode[0] == 'w' || (mode[0] == 'r' && mode[1] == '+')) {
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if (NULL == (idata = phar_get_or_create_entry_data(ZSTR_VAL(resource->host), host_len, internal_file, strlen(internal_file), mode, 0, &error, 1))) {
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if (error) {
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php_stream_wrapper_log_error(wrapper, options, "%s", error);
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efree(error);
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} else {
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php_stream_wrapper_log_error(wrapper, options, "phar error: file \"%s\" could not be created in phar \"%s\"", internal_file, ZSTR_VAL(resource->host));
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}
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efree(internal_file);
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php_url_free(resource);
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return NULL;
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}
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if (error) {
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efree(error);
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}
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fpf = php_stream_alloc(&phar_ops, idata, NULL, mode);
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php_url_free(resource);
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efree(internal_file);
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if (context && Z_TYPE(context->options) != IS_UNDEF && (pzoption = zend_hash_str_find(HASH_OF(&context->options), "phar", sizeof("phar")-1)) != NULL) {
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pharcontext = HASH_OF(pzoption);
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if (idata->internal_file->uncompressed_filesize == 0
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&& idata->internal_file->compressed_filesize == 0
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&& (pzoption = zend_hash_str_find(pharcontext, "compress", sizeof("compress")-1)) != NULL
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&& Z_TYPE_P(pzoption) == IS_LONG
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&& (Z_LVAL_P(pzoption) & ~PHAR_ENT_COMPRESSION_MASK) == 0
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) {
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idata->internal_file->flags &= ~PHAR_ENT_COMPRESSION_MASK;
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idata->internal_file->flags |= Z_LVAL_P(pzoption);
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}
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if ((pzoption = zend_hash_str_find(pharcontext, "metadata", sizeof("metadata")-1)) != NULL) {
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if (Z_TYPE(idata->internal_file->metadata) != IS_UNDEF) {
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zval_ptr_dtor(&idata->internal_file->metadata);
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ZVAL_UNDEF(&idata->internal_file->metadata);
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}
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metadata = pzoption;
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ZVAL_COPY_DEREF(&idata->internal_file->metadata, metadata);
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idata->phar->is_modified = 1;
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}
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}
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if (opened_path) {
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*opened_path = strpprintf(MAXPATHLEN, "phar://%s/%s", idata->phar->fname, idata->internal_file->filename);
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}
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return fpf;
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} else {
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if (!*internal_file && (options & STREAM_OPEN_FOR_INCLUDE)) {
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/* retrieve the stub */
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if (FAILURE == phar_get_archive(&phar, ZSTR_VAL(resource->host), host_len, NULL, 0, NULL)) {
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php_stream_wrapper_log_error(wrapper, options, "file %s is not a valid phar archive", ZSTR_VAL(resource->host));
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efree(internal_file);
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php_url_free(resource);
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return NULL;
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}
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if (phar->is_tar || phar->is_zip) {
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if ((FAILURE == phar_get_entry_data(&idata, ZSTR_VAL(resource->host), host_len, ".phar/stub.php", sizeof(".phar/stub.php")-1, "r", 0, &error, 0)) || !idata) {
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goto idata_error;
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}
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efree(internal_file);
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if (opened_path) {
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*opened_path = strpprintf(MAXPATHLEN, "%s", phar->fname);
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}
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php_url_free(resource);
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goto phar_stub;
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} else {
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phar_entry_info *entry;
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entry = (phar_entry_info *) ecalloc(1, sizeof(phar_entry_info));
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entry->is_temp_dir = 1;
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entry->filename = estrndup("", 0);
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entry->filename_len = 0;
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entry->phar = phar;
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entry->offset = entry->offset_abs = 0;
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entry->compressed_filesize = entry->uncompressed_filesize = phar->halt_offset;
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entry->is_crc_checked = 1;
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idata = (phar_entry_data *) ecalloc(1, sizeof(phar_entry_data));
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idata->fp = phar_get_pharfp(phar);
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idata->phar = phar;
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idata->internal_file = entry;
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if (!phar->is_persistent) {
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++(entry->phar->refcount);
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}
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++(entry->fp_refcount);
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php_url_free(resource);
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if (opened_path) {
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*opened_path = strpprintf(MAXPATHLEN, "%s", phar->fname);
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}
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efree(internal_file);
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goto phar_stub;
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}
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}
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/* read-only access is allowed to magic files in .phar directory */
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if ((FAILURE == phar_get_entry_data(&idata, ZSTR_VAL(resource->host), host_len, internal_file, strlen(internal_file), "r", 0, &error, 0)) || !idata) {
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idata_error:
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if (error) {
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php_stream_wrapper_log_error(wrapper, options, "%s", error);
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efree(error);
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} else {
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php_stream_wrapper_log_error(wrapper, options, "phar error: \"%s\" is not a file in phar \"%s\"", internal_file, ZSTR_VAL(resource->host));
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}
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efree(internal_file);
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php_url_free(resource);
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return NULL;
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}
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}
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php_url_free(resource);
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#if MBO_0
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fprintf(stderr, "Pharname: %s\n", idata->phar->filename);
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fprintf(stderr, "Filename: %s\n", internal_file);
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fprintf(stderr, "Entry: %s\n", idata->internal_file->filename);
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fprintf(stderr, "Size: %u\n", idata->internal_file->uncompressed_filesize);
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fprintf(stderr, "Compressed: %u\n", idata->internal_file->flags);
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fprintf(stderr, "Offset: %u\n", idata->internal_file->offset_within_phar);
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fprintf(stderr, "Cached: %s\n", idata->internal_file->filedata ? "yes" : "no");
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#endif
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/* check length, crc32 */
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if (!idata->internal_file->is_crc_checked && phar_postprocess_file(idata, idata->internal_file->crc32, &error, 2) != SUCCESS) {
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php_stream_wrapper_log_error(wrapper, options, "%s", error);
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efree(error);
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phar_entry_delref(idata);
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efree(internal_file);
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return NULL;
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}
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if (!PHAR_G(cwd_init) && options & STREAM_OPEN_FOR_INCLUDE) {
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char *entry = idata->internal_file->filename, *cwd;
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PHAR_G(cwd_init) = 1;
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if ((idata->phar->is_tar || idata->phar->is_zip) && idata->internal_file->filename_len == sizeof(".phar/stub.php")-1 && !strncmp(idata->internal_file->filename, ".phar/stub.php", sizeof(".phar/stub.php")-1)) {
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/* we're executing the stub, which doesn't count as a file */
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PHAR_G(cwd_init) = 0;
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} else if ((cwd = strrchr(entry, '/'))) {
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PHAR_G(cwd_len) = cwd - entry;
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PHAR_G(cwd) = estrndup(entry, PHAR_G(cwd_len));
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} else {
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/* root directory */
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PHAR_G(cwd_len) = 0;
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PHAR_G(cwd) = NULL;
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}
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}
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if (opened_path) {
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*opened_path = strpprintf(MAXPATHLEN, "phar://%s/%s", idata->phar->fname, idata->internal_file->filename);
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}
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efree(internal_file);
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phar_stub:
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fpf = php_stream_alloc(&phar_ops, idata, NULL, mode);
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return fpf;
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}
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/* }}} */
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/**
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* Used for fclose($fp) where $fp is a phar archive
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*/
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static int phar_stream_close(php_stream *stream, int close_handle) /* {{{ */
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{
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/* for some reasons phar needs to be flushed even if there is no write going on */
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phar_stream_flush(stream);
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phar_entry_delref((phar_entry_data *)stream->abstract);
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return 0;
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}
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/* }}} */
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/**
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* used for fread($fp) and company on a fopen()ed phar file handle
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*/
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static size_t phar_stream_read(php_stream *stream, char *buf, size_t count) /* {{{ */
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{
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phar_entry_data *data = (phar_entry_data *)stream->abstract;
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size_t got;
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phar_entry_info *entry;
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if (data->internal_file->link) {
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entry = phar_get_link_source(data->internal_file);
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} else {
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entry = data->internal_file;
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}
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if (entry->is_deleted) {
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stream->eof = 1;
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return 0;
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}
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/* use our proxy position */
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php_stream_seek(data->fp, data->position + data->zero, SEEK_SET);
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got = php_stream_read(data->fp, buf, MIN(count, (size_t)(entry->uncompressed_filesize - data->position)));
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data->position = php_stream_tell(data->fp) - data->zero;
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stream->eof = (data->position == (zend_off_t) entry->uncompressed_filesize);
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return got;
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}
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/* }}} */
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/**
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* Used for fseek($fp) on a phar file handle
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*/
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static int phar_stream_seek(php_stream *stream, zend_off_t offset, int whence, zend_off_t *newoffset) /* {{{ */
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{
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phar_entry_data *data = (phar_entry_data *)stream->abstract;
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phar_entry_info *entry;
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int res;
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zend_off_t temp;
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if (data->internal_file->link) {
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entry = phar_get_link_source(data->internal_file);
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} else {
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entry = data->internal_file;
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}
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switch (whence) {
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case SEEK_END :
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temp = data->zero + entry->uncompressed_filesize + offset;
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break;
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case SEEK_CUR :
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temp = data->zero + data->position + offset;
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break;
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case SEEK_SET :
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temp = data->zero + offset;
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break;
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default:
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temp = 0;
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}
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if (temp > data->zero + (zend_off_t) entry->uncompressed_filesize) {
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*newoffset = -1;
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return -1;
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}
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if (temp < data->zero) {
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*newoffset = -1;
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return -1;
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}
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res = php_stream_seek(data->fp, temp, SEEK_SET);
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*newoffset = php_stream_tell(data->fp) - data->zero;
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data->position = *newoffset;
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return res;
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}
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/* }}} */
|
|
|
|
/**
|
|
* Used for writing to a phar file
|
|
*/
|
|
static size_t phar_stream_write(php_stream *stream, const char *buf, size_t count) /* {{{ */
|
|
{
|
|
phar_entry_data *data = (phar_entry_data *) stream->abstract;
|
|
|
|
php_stream_seek(data->fp, data->position, SEEK_SET);
|
|
if (count != php_stream_write(data->fp, buf, count)) {
|
|
php_stream_wrapper_log_error(stream->wrapper, stream->flags, "phar error: Could not write %d characters to \"%s\" in phar \"%s\"", (int) count, data->internal_file->filename, data->phar->fname);
|
|
return 0;
|
|
}
|
|
data->position = php_stream_tell(data->fp);
|
|
if (data->position > (zend_off_t)data->internal_file->uncompressed_filesize) {
|
|
data->internal_file->uncompressed_filesize = data->position;
|
|
}
|
|
data->internal_file->compressed_filesize = data->internal_file->uncompressed_filesize;
|
|
data->internal_file->old_flags = data->internal_file->flags;
|
|
data->internal_file->is_modified = 1;
|
|
return count;
|
|
}
|
|
/* }}} */
|
|
|
|
/**
|
|
* Used to save work done on a writeable phar
|
|
*/
|
|
static int phar_stream_flush(php_stream *stream) /* {{{ */
|
|
{
|
|
char *error;
|
|
int ret;
|
|
phar_entry_data *data = (phar_entry_data *) stream->abstract;
|
|
|
|
if (data->internal_file->is_modified) {
|
|
data->internal_file->timestamp = time(0);
|
|
ret = phar_flush(data->phar, 0, 0, 0, &error);
|
|
if (error) {
|
|
php_stream_wrapper_log_error(stream->wrapper, REPORT_ERRORS, "%s", error);
|
|
efree(error);
|
|
}
|
|
return ret;
|
|
} else {
|
|
return EOF;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ phar_dostat */
|
|
/**
|
|
* stat an opened phar file handle stream, used by phar_stat()
|
|
*/
|
|
void phar_dostat(phar_archive_data *phar, phar_entry_info *data, php_stream_statbuf *ssb, zend_bool is_temp_dir)
|
|
{
|
|
memset(ssb, 0, sizeof(php_stream_statbuf));
|
|
|
|
if (!is_temp_dir && !data->is_dir) {
|
|
ssb->sb.st_size = data->uncompressed_filesize;
|
|
ssb->sb.st_mode = data->flags & PHAR_ENT_PERM_MASK;
|
|
ssb->sb.st_mode |= S_IFREG; /* regular file */
|
|
/* timestamp is just the timestamp when this was added to the phar */
|
|
ssb->sb.st_mtime = data->timestamp;
|
|
ssb->sb.st_atime = data->timestamp;
|
|
ssb->sb.st_ctime = data->timestamp;
|
|
} else if (!is_temp_dir && data->is_dir) {
|
|
ssb->sb.st_size = 0;
|
|
ssb->sb.st_mode = data->flags & PHAR_ENT_PERM_MASK;
|
|
ssb->sb.st_mode |= S_IFDIR; /* regular directory */
|
|
/* timestamp is just the timestamp when this was added to the phar */
|
|
ssb->sb.st_mtime = data->timestamp;
|
|
ssb->sb.st_atime = data->timestamp;
|
|
ssb->sb.st_ctime = data->timestamp;
|
|
} else {
|
|
ssb->sb.st_size = 0;
|
|
ssb->sb.st_mode = 0777;
|
|
ssb->sb.st_mode |= S_IFDIR; /* regular directory */
|
|
ssb->sb.st_mtime = phar->max_timestamp;
|
|
ssb->sb.st_atime = phar->max_timestamp;
|
|
ssb->sb.st_ctime = phar->max_timestamp;
|
|
}
|
|
if (!phar->is_writeable) {
|
|
ssb->sb.st_mode = (ssb->sb.st_mode & 0555) | (ssb->sb.st_mode & ~0777);
|
|
}
|
|
|
|
ssb->sb.st_nlink = 1;
|
|
ssb->sb.st_rdev = -1;
|
|
/* this is only for APC, so use /dev/null device - no chance of conflict there! */
|
|
ssb->sb.st_dev = 0xc;
|
|
/* generate unique inode number for alias/filename, so no phars will conflict */
|
|
if (!is_temp_dir) {
|
|
ssb->sb.st_ino = data->inode;
|
|
}
|
|
#ifndef PHP_WIN32
|
|
ssb->sb.st_blksize = -1;
|
|
ssb->sb.st_blocks = -1;
|
|
#endif
|
|
}
|
|
/* }}}*/
|
|
|
|
/**
|
|
* Stat an opened phar file handle
|
|
*/
|
|
static int phar_stream_stat(php_stream *stream, php_stream_statbuf *ssb) /* {{{ */
|
|
{
|
|
phar_entry_data *data = (phar_entry_data *)stream->abstract;
|
|
|
|
/* If ssb is NULL then someone is misbehaving */
|
|
if (!ssb) {
|
|
return -1;
|
|
}
|
|
|
|
phar_dostat(data->phar, data->internal_file, ssb, 0);
|
|
return 0;
|
|
}
|
|
/* }}} */
|
|
|
|
/**
|
|
* Stream wrapper stat implementation of stat()
|
|
*/
|
|
static int phar_wrapper_stat(php_stream_wrapper *wrapper, const char *url, int flags,
|
|
php_stream_statbuf *ssb, php_stream_context *context) /* {{{ */
|
|
{
|
|
php_url *resource = NULL;
|
|
char *internal_file, *error;
|
|
phar_archive_data *phar;
|
|
phar_entry_info *entry;
|
|
uint32_t host_len;
|
|
size_t internal_file_len;
|
|
|
|
if ((resource = phar_parse_url(wrapper, url, "r", flags|PHP_STREAM_URL_STAT_QUIET)) == NULL) {
|
|
return FAILURE;
|
|
}
|
|
|
|
/* we must have at the very least phar://alias.phar/internalfile.php */
|
|
if (!resource->scheme || !resource->host || !resource->path) {
|
|
php_url_free(resource);
|
|
return FAILURE;
|
|
}
|
|
|
|
if (!zend_string_equals_literal_ci(resource->scheme, "phar")) {
|
|
php_url_free(resource);
|
|
return FAILURE;
|
|
}
|
|
|
|
host_len = ZSTR_LEN(resource->host);
|
|
phar_request_initialize();
|
|
|
|
internal_file = ZSTR_VAL(resource->path) + 1; /* strip leading "/" */
|
|
/* find the phar in our trusty global hash indexed by alias (host of phar://blah.phar/file.whatever) */
|
|
if (FAILURE == phar_get_archive(&phar, ZSTR_VAL(resource->host), host_len, NULL, 0, &error)) {
|
|
php_url_free(resource);
|
|
if (error) {
|
|
efree(error);
|
|
}
|
|
return FAILURE;
|
|
}
|
|
if (error) {
|
|
efree(error);
|
|
}
|
|
if (*internal_file == '\0') {
|
|
/* root directory requested */
|
|
phar_dostat(phar, NULL, ssb, 1);
|
|
php_url_free(resource);
|
|
return SUCCESS;
|
|
}
|
|
if (!HT_IS_INITIALIZED(&phar->manifest)) {
|
|
php_url_free(resource);
|
|
return FAILURE;
|
|
}
|
|
internal_file_len = strlen(internal_file);
|
|
/* search through the manifest of files, and if we have an exact match, it's a file */
|
|
if (NULL != (entry = zend_hash_str_find_ptr(&phar->manifest, internal_file, internal_file_len))) {
|
|
phar_dostat(phar, entry, ssb, 0);
|
|
php_url_free(resource);
|
|
return SUCCESS;
|
|
}
|
|
if (zend_hash_str_exists(&(phar->virtual_dirs), internal_file, internal_file_len)) {
|
|
phar_dostat(phar, NULL, ssb, 1);
|
|
php_url_free(resource);
|
|
return SUCCESS;
|
|
}
|
|
/* check for mounted directories */
|
|
if (HT_IS_INITIALIZED(&phar->mounted_dirs) && zend_hash_num_elements(&phar->mounted_dirs)) {
|
|
zend_string *str_key;
|
|
|
|
ZEND_HASH_FOREACH_STR_KEY(&phar->mounted_dirs, str_key) {
|
|
if (ZSTR_LEN(str_key) >= internal_file_len || strncmp(ZSTR_VAL(str_key), internal_file, ZSTR_LEN(str_key))) {
|
|
continue;
|
|
} else {
|
|
char *test;
|
|
size_t test_len;
|
|
php_stream_statbuf ssbi;
|
|
|
|
if (NULL == (entry = zend_hash_find_ptr(&phar->manifest, str_key))) {
|
|
goto free_resource;
|
|
}
|
|
if (!entry->tmp || !entry->is_mounted) {
|
|
goto free_resource;
|
|
}
|
|
test_len = spprintf(&test, MAXPATHLEN, "%s%s", entry->tmp, internal_file + ZSTR_LEN(str_key));
|
|
if (SUCCESS != php_stream_stat_path(test, &ssbi)) {
|
|
efree(test);
|
|
continue;
|
|
}
|
|
/* mount the file/directory just in time */
|
|
if (SUCCESS != phar_mount_entry(phar, test, test_len, internal_file, internal_file_len)) {
|
|
efree(test);
|
|
goto free_resource;
|
|
}
|
|
efree(test);
|
|
if (NULL == (entry = zend_hash_str_find_ptr(&phar->manifest, internal_file, internal_file_len))) {
|
|
goto free_resource;
|
|
}
|
|
phar_dostat(phar, entry, ssb, 0);
|
|
php_url_free(resource);
|
|
return SUCCESS;
|
|
}
|
|
} ZEND_HASH_FOREACH_END();
|
|
}
|
|
free_resource:
|
|
php_url_free(resource);
|
|
return FAILURE;
|
|
}
|
|
/* }}} */
|
|
|
|
/**
|
|
* Unlink a file within a phar archive
|
|
*/
|
|
static int phar_wrapper_unlink(php_stream_wrapper *wrapper, const char *url, int options, php_stream_context *context) /* {{{ */
|
|
{
|
|
php_url *resource;
|
|
char *internal_file, *error;
|
|
int internal_file_len;
|
|
phar_entry_data *idata;
|
|
phar_archive_data *pphar;
|
|
uint32_t host_len;
|
|
|
|
if ((resource = phar_parse_url(wrapper, url, "rb", options)) == NULL) {
|
|
php_stream_wrapper_log_error(wrapper, options, "phar error: unlink failed");
|
|
return 0;
|
|
}
|
|
|
|
/* we must have at the very least phar://alias.phar/internalfile.php */
|
|
if (!resource->scheme || !resource->host || !resource->path) {
|
|
php_url_free(resource);
|
|
php_stream_wrapper_log_error(wrapper, options, "phar error: invalid url \"%s\"", url);
|
|
return 0;
|
|
}
|
|
|
|
if (!zend_string_equals_literal_ci(resource->scheme, "phar")) {
|
|
php_url_free(resource);
|
|
php_stream_wrapper_log_error(wrapper, options, "phar error: not a phar stream url \"%s\"", url);
|
|
return 0;
|
|
}
|
|
|
|
host_len = ZSTR_LEN(resource->host);
|
|
phar_request_initialize();
|
|
|
|
pphar = zend_hash_find_ptr(&(PHAR_G(phar_fname_map)), resource->host);
|
|
if (PHAR_G(readonly) && (!pphar || !pphar->is_data)) {
|
|
php_url_free(resource);
|
|
php_stream_wrapper_log_error(wrapper, options, "phar error: write operations disabled by the php.ini setting phar.readonly");
|
|
return 0;
|
|
}
|
|
|
|
/* need to copy to strip leading "/", will get touched again */
|
|
internal_file = estrndup(ZSTR_VAL(resource->path) + 1, ZSTR_LEN(resource->path) - 1);
|
|
internal_file_len = ZSTR_LEN(resource->path) - 1;
|
|
if (FAILURE == phar_get_entry_data(&idata, ZSTR_VAL(resource->host), host_len, internal_file, internal_file_len, "r", 0, &error, 1)) {
|
|
/* constraints of fp refcount were not met */
|
|
if (error) {
|
|
php_stream_wrapper_log_error(wrapper, options, "unlink of \"%s\" failed: %s", url, error);
|
|
efree(error);
|
|
} else {
|
|
php_stream_wrapper_log_error(wrapper, options, "unlink of \"%s\" failed, file does not exist", url);
|
|
}
|
|
efree(internal_file);
|
|
php_url_free(resource);
|
|
return 0;
|
|
}
|
|
if (error) {
|
|
efree(error);
|
|
}
|
|
if (idata->internal_file->fp_refcount > 1) {
|
|
/* more than just our fp resource is open for this file */
|
|
php_stream_wrapper_log_error(wrapper, options, "phar error: \"%s\" in phar \"%s\", has open file pointers, cannot unlink", internal_file, ZSTR_VAL(resource->host));
|
|
efree(internal_file);
|
|
php_url_free(resource);
|
|
phar_entry_delref(idata);
|
|
return 0;
|
|
}
|
|
php_url_free(resource);
|
|
efree(internal_file);
|
|
phar_entry_remove(idata, &error);
|
|
if (error) {
|
|
php_stream_wrapper_log_error(wrapper, options, "%s", error);
|
|
efree(error);
|
|
}
|
|
return 1;
|
|
}
|
|
/* }}} */
|
|
|
|
static int phar_wrapper_rename(php_stream_wrapper *wrapper, const char *url_from, const char *url_to, int options, php_stream_context *context) /* {{{ */
|
|
{
|
|
php_url *resource_from, *resource_to;
|
|
char *error;
|
|
phar_archive_data *phar, *pfrom, *pto;
|
|
phar_entry_info *entry;
|
|
uint32_t host_len;
|
|
int is_dir = 0;
|
|
int is_modified = 0;
|
|
|
|
error = NULL;
|
|
|
|
if ((resource_from = phar_parse_url(wrapper, url_from, "wb", options|PHP_STREAM_URL_STAT_QUIET)) == NULL) {
|
|
php_error_docref(NULL, E_WARNING, "phar error: cannot rename \"%s\" to \"%s\": invalid or non-writable url \"%s\"", url_from, url_to, url_from);
|
|
return 0;
|
|
}
|
|
if (SUCCESS != phar_get_archive(&pfrom, ZSTR_VAL(resource_from->host), ZSTR_LEN(resource_from->host), NULL, 0, &error)) {
|
|
pfrom = NULL;
|
|
if (error) {
|
|
efree(error);
|
|
}
|
|
}
|
|
if (PHAR_G(readonly) && (!pfrom || !pfrom->is_data)) {
|
|
php_url_free(resource_from);
|
|
php_error_docref(NULL, E_WARNING, "phar error: Write operations disabled by the php.ini setting phar.readonly");
|
|
return 0;
|
|
}
|
|
|
|
if ((resource_to = phar_parse_url(wrapper, url_to, "wb", options|PHP_STREAM_URL_STAT_QUIET)) == NULL) {
|
|
php_url_free(resource_from);
|
|
php_error_docref(NULL, E_WARNING, "phar error: cannot rename \"%s\" to \"%s\": invalid or non-writable url \"%s\"", url_from, url_to, url_to);
|
|
return 0;
|
|
}
|
|
if (SUCCESS != phar_get_archive(&pto, ZSTR_VAL(resource_to->host), ZSTR_LEN(resource_to->host), NULL, 0, &error)) {
|
|
if (error) {
|
|
efree(error);
|
|
}
|
|
pto = NULL;
|
|
}
|
|
if (PHAR_G(readonly) && (!pto || !pto->is_data)) {
|
|
php_url_free(resource_from);
|
|
php_error_docref(NULL, E_WARNING, "phar error: Write operations disabled by the php.ini setting phar.readonly");
|
|
return 0;
|
|
}
|
|
|
|
if (!zend_string_equals(resource_from->host, resource_to->host)) {
|
|
php_url_free(resource_from);
|
|
php_url_free(resource_to);
|
|
php_error_docref(NULL, E_WARNING, "phar error: cannot rename \"%s\" to \"%s\", not within the same phar archive", url_from, url_to);
|
|
return 0;
|
|
}
|
|
|
|
/* we must have at the very least phar://alias.phar/internalfile.php */
|
|
if (!resource_from->scheme || !resource_from->host || !resource_from->path) {
|
|
php_url_free(resource_from);
|
|
php_url_free(resource_to);
|
|
php_error_docref(NULL, E_WARNING, "phar error: cannot rename \"%s\" to \"%s\": invalid url \"%s\"", url_from, url_to, url_from);
|
|
return 0;
|
|
}
|
|
|
|
if (!resource_to->scheme || !resource_to->host || !resource_to->path) {
|
|
php_url_free(resource_from);
|
|
php_url_free(resource_to);
|
|
php_error_docref(NULL, E_WARNING, "phar error: cannot rename \"%s\" to \"%s\": invalid url \"%s\"", url_from, url_to, url_to);
|
|
return 0;
|
|
}
|
|
|
|
if (!zend_string_equals_literal_ci(resource_from->scheme, "phar")) {
|
|
php_url_free(resource_from);
|
|
php_url_free(resource_to);
|
|
php_error_docref(NULL, E_WARNING, "phar error: cannot rename \"%s\" to \"%s\": not a phar stream url \"%s\"", url_from, url_to, url_from);
|
|
return 0;
|
|
}
|
|
|
|
if (!zend_string_equals_literal_ci(resource_to->scheme, "phar")) {
|
|
php_url_free(resource_from);
|
|
php_url_free(resource_to);
|
|
php_error_docref(NULL, E_WARNING, "phar error: cannot rename \"%s\" to \"%s\": not a phar stream url \"%s\"", url_from, url_to, url_to);
|
|
return 0;
|
|
}
|
|
|
|
host_len = ZSTR_LEN(resource_from->host);
|
|
|
|
if (SUCCESS != phar_get_archive(&phar, ZSTR_VAL(resource_from->host), host_len, NULL, 0, &error)) {
|
|
php_url_free(resource_from);
|
|
php_url_free(resource_to);
|
|
php_error_docref(NULL, E_WARNING, "phar error: cannot rename \"%s\" to \"%s\": %s", url_from, url_to, error);
|
|
efree(error);
|
|
return 0;
|
|
}
|
|
|
|
if (phar->is_persistent && FAILURE == phar_copy_on_write(&phar)) {
|
|
php_url_free(resource_from);
|
|
php_url_free(resource_to);
|
|
php_error_docref(NULL, E_WARNING, "phar error: cannot rename \"%s\" to \"%s\": could not make cached phar writeable", url_from, url_to);
|
|
return 0;
|
|
}
|
|
|
|
if (NULL != (entry = zend_hash_str_find_ptr(&(phar->manifest), ZSTR_VAL(resource_from->path)+1, ZSTR_LEN(resource_from->path)-1))) {
|
|
phar_entry_info new, *source;
|
|
|
|
/* perform rename magic */
|
|
if (entry->is_deleted) {
|
|
php_url_free(resource_from);
|
|
php_url_free(resource_to);
|
|
php_error_docref(NULL, E_WARNING, "phar error: cannot rename \"%s\" to \"%s\" from extracted phar archive, source has been deleted", url_from, url_to);
|
|
return 0;
|
|
}
|
|
/* transfer all data over to the new entry */
|
|
memcpy((void *) &new, (void *) entry, sizeof(phar_entry_info));
|
|
/* mark the old one for deletion */
|
|
entry->is_deleted = 1;
|
|
entry->fp = NULL;
|
|
ZVAL_UNDEF(&entry->metadata);
|
|
entry->link = entry->tmp = NULL;
|
|
source = entry;
|
|
|
|
/* add to the manifest, and then store the pointer to the new guy in entry */
|
|
entry = zend_hash_str_add_mem(&(phar->manifest), ZSTR_VAL(resource_to->path)+1, ZSTR_LEN(resource_to->path)-1, (void **)&new, sizeof(phar_entry_info));
|
|
|
|
entry->filename = estrndup(ZSTR_VAL(resource_to->path)+1, ZSTR_LEN(resource_to->path)-1);
|
|
if (FAILURE == phar_copy_entry_fp(source, entry, &error)) {
|
|
php_url_free(resource_from);
|
|
php_url_free(resource_to);
|
|
php_error_docref(NULL, E_WARNING, "phar error: cannot rename \"%s\" to \"%s\": %s", url_from, url_to, error);
|
|
efree(error);
|
|
zend_hash_str_del(&(phar->manifest), entry->filename, strlen(entry->filename));
|
|
return 0;
|
|
}
|
|
is_modified = 1;
|
|
entry->is_modified = 1;
|
|
entry->filename_len = strlen(entry->filename);
|
|
is_dir = entry->is_dir;
|
|
} else {
|
|
is_dir = zend_hash_str_exists(&(phar->virtual_dirs), ZSTR_VAL(resource_from->path)+1, ZSTR_LEN(resource_from->path)-1);
|
|
if (!is_dir) {
|
|
/* file does not exist */
|
|
php_url_free(resource_from);
|
|
php_url_free(resource_to);
|
|
php_error_docref(NULL, E_WARNING, "phar error: cannot rename \"%s\" to \"%s\" from extracted phar archive, source does not exist", url_from, url_to);
|
|
return 0;
|
|
|
|
}
|
|
}
|
|
|
|
/* Rename directory. Update all nested paths */
|
|
if (is_dir) {
|
|
Bucket *b;
|
|
zend_string *str_key;
|
|
zend_string *new_str_key;
|
|
uint32_t from_len = ZSTR_LEN(resource_from->path) - 1;
|
|
uint32_t to_len = ZSTR_LEN(resource_to->path) - 1;
|
|
|
|
ZEND_HASH_FOREACH_BUCKET(&phar->manifest, b) {
|
|
str_key = b->key;
|
|
entry = Z_PTR(b->val);
|
|
if (!entry->is_deleted &&
|
|
ZSTR_LEN(str_key) > from_len &&
|
|
memcmp(ZSTR_VAL(str_key), ZSTR_VAL(resource_from->path)+1, from_len) == 0 &&
|
|
IS_SLASH(ZSTR_VAL(str_key)[from_len])) {
|
|
|
|
new_str_key = zend_string_alloc(ZSTR_LEN(str_key) + to_len - from_len, 0);
|
|
memcpy(ZSTR_VAL(new_str_key), ZSTR_VAL(resource_to->path) + 1, to_len);
|
|
memcpy(ZSTR_VAL(new_str_key) + to_len, ZSTR_VAL(str_key) + from_len, ZSTR_LEN(str_key) - from_len);
|
|
ZSTR_VAL(new_str_key)[ZSTR_LEN(new_str_key)] = 0;
|
|
|
|
is_modified = 1;
|
|
entry->is_modified = 1;
|
|
efree(entry->filename);
|
|
// TODO: avoid reallocation (make entry->filename zend_string*)
|
|
entry->filename = estrndup(ZSTR_VAL(new_str_key), ZSTR_LEN(new_str_key));
|
|
entry->filename_len = ZSTR_LEN(new_str_key);
|
|
|
|
zend_string_release_ex(str_key, 0);
|
|
b->h = zend_string_hash_val(new_str_key);
|
|
b->key = new_str_key;
|
|
}
|
|
} ZEND_HASH_FOREACH_END();
|
|
zend_hash_rehash(&phar->manifest);
|
|
|
|
ZEND_HASH_FOREACH_BUCKET(&phar->virtual_dirs, b) {
|
|
str_key = b->key;
|
|
if (ZSTR_LEN(str_key) >= from_len &&
|
|
memcmp(ZSTR_VAL(str_key), ZSTR_VAL(resource_from->path)+1, from_len) == 0 &&
|
|
(ZSTR_LEN(str_key) == from_len || IS_SLASH(ZSTR_VAL(str_key)[from_len]))) {
|
|
|
|
new_str_key = zend_string_alloc(ZSTR_LEN(str_key) + to_len - from_len, 0);
|
|
memcpy(ZSTR_VAL(new_str_key), ZSTR_VAL(resource_to->path) + 1, to_len);
|
|
memcpy(ZSTR_VAL(new_str_key) + to_len, ZSTR_VAL(str_key) + from_len, ZSTR_LEN(str_key) - from_len);
|
|
ZSTR_VAL(new_str_key)[ZSTR_LEN(new_str_key)] = 0;
|
|
|
|
zend_string_release_ex(str_key, 0);
|
|
b->h = zend_string_hash_val(new_str_key);
|
|
b->key = new_str_key;
|
|
}
|
|
} ZEND_HASH_FOREACH_END();
|
|
zend_hash_rehash(&phar->virtual_dirs);
|
|
|
|
ZEND_HASH_FOREACH_BUCKET(&phar->mounted_dirs, b) {
|
|
str_key = b->key;
|
|
if (ZSTR_LEN(str_key) >= from_len &&
|
|
memcmp(ZSTR_VAL(str_key), ZSTR_VAL(resource_from->path)+1, from_len) == 0 &&
|
|
(ZSTR_LEN(str_key) == from_len || IS_SLASH(ZSTR_VAL(str_key)[from_len]))) {
|
|
|
|
new_str_key = zend_string_alloc(ZSTR_LEN(str_key) + to_len - from_len, 0);
|
|
memcpy(ZSTR_VAL(new_str_key), ZSTR_VAL(resource_to->path) + 1, to_len);
|
|
memcpy(ZSTR_VAL(new_str_key) + to_len, ZSTR_VAL(str_key) + from_len, ZSTR_LEN(str_key) - from_len);
|
|
ZSTR_VAL(new_str_key)[ZSTR_LEN(new_str_key)] = 0;
|
|
|
|
zend_string_release_ex(str_key, 0);
|
|
b->h = zend_string_hash_val(new_str_key);
|
|
b->key = new_str_key;
|
|
}
|
|
} ZEND_HASH_FOREACH_END();
|
|
zend_hash_rehash(&phar->mounted_dirs);
|
|
}
|
|
|
|
if (is_modified) {
|
|
phar_flush(phar, 0, 0, 0, &error);
|
|
if (error) {
|
|
php_url_free(resource_from);
|
|
php_url_free(resource_to);
|
|
php_error_docref(NULL, E_WARNING, "phar error: cannot rename \"%s\" to \"%s\": %s", url_from, url_to, error);
|
|
efree(error);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
php_url_free(resource_from);
|
|
php_url_free(resource_to);
|
|
|
|
return 1;
|
|
}
|
|
/* }}} */
|