/ext/phar/stream.c
C | 1041 lines | 841 code | 93 blank | 107 comment | 254 complexity | 18f88c8f252bbbb970cdb70d3f223efb MD5 | raw file
Possible License(s): MPL-2.0-no-copyleft-exception, LGPL-2.1, BSD-3-Clause
- /*
- +----------------------------------------------------------------------+
- | phar:// stream wrapper support |
- +----------------------------------------------------------------------+
- | Copyright (c) 2005-2011 The PHP Group |
- +----------------------------------------------------------------------+
- | This source file is subject to version 3.01 of the PHP license, |
- | that is bundled with this package in the file LICENSE, and is |
- | available through the world-wide-web at the following url: |
- | http://www.php.net/license/3_01.txt. |
- | If you did not receive a copy of the PHP license and are unable to |
- | obtain it through the world-wide-web, please send a note to |
- | license@php.net so we can mail you a copy immediately. |
- +----------------------------------------------------------------------+
- | Authors: Gregory Beaver <cellog@php.net> |
- | Marcus Boerger <helly@php.net> |
- +----------------------------------------------------------------------+
- */
- #define PHAR_STREAM 1
- #include "phar_internal.h"
- #include "stream.h"
- #include "dirstream.h"
- php_stream_ops phar_ops = {
- phar_stream_write, /* write */
- phar_stream_read, /* read */
- phar_stream_close, /* close */
- phar_stream_flush, /* flush */
- "phar stream",
- phar_stream_seek, /* seek */
- NULL, /* cast */
- phar_stream_stat, /* stat */
- NULL, /* set option */
- };
- php_stream_wrapper_ops phar_stream_wops = {
- phar_wrapper_open_url,
- NULL, /* phar_wrapper_close */
- NULL, /* phar_wrapper_stat, */
- phar_wrapper_stat, /* stat_url */
- phar_wrapper_open_dir, /* opendir */
- "phar",
- phar_wrapper_unlink, /* unlink */
- phar_wrapper_rename, /* rename */
- phar_wrapper_mkdir, /* create directory */
- phar_wrapper_rmdir, /* remove directory */
- };
- php_stream_wrapper php_stream_phar_wrapper = {
- &phar_stream_wops,
- NULL,
- 0 /* is_url */
- };
- /**
- * Open a phar file for streams API
- */
- php_url* phar_parse_url(php_stream_wrapper *wrapper, char *filename, char *mode, int options TSRMLS_DC) /* {{{ */
- {
- php_url *resource;
- char *arch = NULL, *entry = NULL, *error;
- int arch_len, entry_len;
- if (strlen(filename) < 7 || strncasecmp(filename, "phar://", 7)) {
- return NULL;
- }
- if (mode[0] == 'a') {
- if (!(options & PHP_STREAM_URL_STAT_QUIET)) {
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "phar error: open mode append not supported");
- }
- return NULL;
- }
- if (phar_split_fname(filename, strlen(filename), &arch, &arch_len, &entry, &entry_len, 2, (mode[0] == 'w' ? 2 : 0) TSRMLS_CC) == FAILURE) {
- if (!(options & PHP_STREAM_URL_STAT_QUIET)) {
- if (arch && !entry) {
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "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);
- arch = NULL;
- } else {
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "phar error: invalid url or non-existent phar \"%s\"", filename);
- }
- }
- return NULL;
- }
- resource = ecalloc(1, sizeof(php_url));
- resource->scheme = estrndup("phar", 4);
- resource->host = arch;
- resource->path = entry;
- #if MBO_0
- if (resource) {
- fprintf(stderr, "Alias: %s\n", alias);
- fprintf(stderr, "Scheme: %s\n", resource->scheme);
- /* fprintf(stderr, "User: %s\n", resource->user);*/
- /* fprintf(stderr, "Pass: %s\n", resource->pass ? "***" : NULL);*/
- fprintf(stderr, "Host: %s\n", resource->host);
- /* fprintf(stderr, "Port: %d\n", resource->port);*/
- fprintf(stderr, "Path: %s\n", resource->path);
- /* fprintf(stderr, "Query: %s\n", resource->query);*/
- /* fprintf(stderr, "Fragment: %s\n", resource->fragment);*/
- }
- #endif
- if (mode[0] == 'w' || (mode[0] == 'r' && mode[1] == '+')) {
- phar_archive_data **pphar = NULL, *phar;
- if (PHAR_GLOBALS->request_init && PHAR_GLOBALS->phar_fname_map.arBuckets && FAILURE == zend_hash_find(&(PHAR_GLOBALS->phar_fname_map), arch, arch_len, (void **)&pphar)) {
- pphar = NULL;
- }
- if (PHAR_G(readonly) && (!pphar || !(*pphar)->is_data)) {
- if (!(options & PHP_STREAM_URL_STAT_QUIET)) {
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "phar error: write operations disabled by the php.ini setting phar.readonly");
- }
- php_url_free(resource);
- return NULL;
- }
- if (phar_open_or_create_filename(resource->host, arch_len, NULL, 0, 0, options, &phar, &error TSRMLS_CC) == FAILURE)
- {
- if (error) {
- if (!(options & PHP_STREAM_URL_STAT_QUIET)) {
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "%s", error);
- }
- efree(error);
- }
- php_url_free(resource);
- return NULL;
- }
- if (phar->is_persistent && FAILURE == phar_copy_on_write(&phar TSRMLS_CC)) {
- if (error) {
- spprintf(&error, 0, "Cannot open cached phar '%s' as writeable, copy on write failed", resource->host);
- if (!(options & PHP_STREAM_URL_STAT_QUIET)) {
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "%s", error);
- }
- efree(error);
- }
- php_url_free(resource);
- return NULL;
- }
- } else {
- if (phar_open_from_filename(resource->host, arch_len, NULL, 0, options, NULL, &error TSRMLS_CC) == FAILURE)
- {
- if (error) {
- if (!(options & PHP_STREAM_URL_STAT_QUIET)) {
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "%s", error);
- }
- efree(error);
- }
- php_url_free(resource);
- return NULL;
- }
- }
- return resource;
- }
- /* }}} */
- /**
- * used for fopen('phar://...') and company
- */
- static php_stream * phar_wrapper_open_url(php_stream_wrapper *wrapper, char *path, char *mode, int options, char **opened_path, php_stream_context *context STREAMS_DC TSRMLS_DC) /* {{{ */
- {
- phar_archive_data *phar;
- phar_entry_data *idata;
- char *internal_file;
- char *error;
- HashTable *pharcontext;
- php_url *resource = NULL;
- php_stream *fpf;
- zval **pzoption, *metadata;
- uint host_len;
- if ((resource = phar_parse_url(wrapper, path, mode, options TSRMLS_CC)) == NULL) {
- return NULL;
- }
- /* 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 TSRMLS_CC, "phar error: invalid url \"%s\"", path);
- return NULL;
- }
- if (strcasecmp("phar", resource->scheme)) {
- php_url_free(resource);
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "phar error: not a phar stream url \"%s\"", path);
- return NULL;
- }
- host_len = strlen(resource->host);
- phar_request_initialize(TSRMLS_C);
- /* strip leading "/" */
- internal_file = estrdup(resource->path + 1);
- if (mode[0] == 'w' || (mode[0] == 'r' && mode[1] == '+')) {
- if (NULL == (idata = phar_get_or_create_entry_data(resource->host, host_len, internal_file, strlen(internal_file), mode, 0, &error, 1 TSRMLS_CC))) {
- if (error) {
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "%s", error);
- efree(error);
- } else {
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "phar error: file \"%s\" could not be created in phar \"%s\"", internal_file, resource->host);
- }
- efree(internal_file);
- php_url_free(resource);
- return NULL;
- }
- if (error) {
- efree(error);
- }
- fpf = php_stream_alloc(&phar_ops, idata, NULL, mode);
- php_url_free(resource);
- efree(internal_file);
- #if PHP_MAJOR_VERSION >= 6
- if (context && context->options && phar_find_key(HASH_OF(context->options), "phar", sizeof("phar"), (void**)&pzoption TSRMLS_CC)) {
- #else
- if (context && context->options && zend_hash_find(HASH_OF(context->options), "phar", sizeof("phar"), (void**)&pzoption) == SUCCESS) {
- #endif
- pharcontext = HASH_OF(*pzoption);
- if (idata->internal_file->uncompressed_filesize == 0
- && idata->internal_file->compressed_filesize == 0
- #if PHP_MAJOR_VERSION >= 6
- && phar_find_key(pharcontext, "compress", sizeof("compress"), (void**)&pzoption TSRMLS_CC)
- #else
- && zend_hash_find(pharcontext, "compress", sizeof("compress"), (void**)&pzoption) == SUCCESS
- #endif
- && Z_TYPE_PP(pzoption) == IS_LONG
- && (Z_LVAL_PP(pzoption) & ~PHAR_ENT_COMPRESSION_MASK) == 0
- ) {
- idata->internal_file->flags &= ~PHAR_ENT_COMPRESSION_MASK;
- idata->internal_file->flags |= Z_LVAL_PP(pzoption);
- }
- #if PHP_MAJOR_VERSION >= 6
- if (phar_find_key(pharcontext, "metadata", sizeof("metadata"), (void**)&pzoption TSRMLS_CC)) {
- #else
- if (zend_hash_find(pharcontext, "metadata", sizeof("metadata"), (void**)&pzoption) == SUCCESS) {
- #endif
- if (idata->internal_file->metadata) {
- zval_ptr_dtor(&idata->internal_file->metadata);
- idata->internal_file->metadata = NULL;
- }
- MAKE_STD_ZVAL(idata->internal_file->metadata);
- metadata = *pzoption;
- ZVAL_ZVAL(idata->internal_file->metadata, metadata, 1, 0);
- idata->phar->is_modified = 1;
- }
- }
- if (opened_path) {
- spprintf(opened_path, MAXPATHLEN, "phar://%s/%s", idata->phar->fname, idata->internal_file->filename);
- }
- return fpf;
- } else {
- if (!*internal_file && (options & STREAM_OPEN_FOR_INCLUDE)) {
- /* retrieve the stub */
- if (FAILURE == phar_get_archive(&phar, resource->host, host_len, NULL, 0, NULL TSRMLS_CC)) {
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "file %s is not a valid phar archive", resource->host);
- efree(internal_file);
- php_url_free(resource);
- return NULL;
- }
- if (phar->is_tar || phar->is_zip) {
- if ((FAILURE == phar_get_entry_data(&idata, resource->host, host_len, ".phar/stub.php", sizeof(".phar/stub.php")-1, "r", 0, &error, 0 TSRMLS_CC)) || !idata) {
- goto idata_error;
- }
- efree(internal_file);
- if (opened_path) {
- spprintf(opened_path, MAXPATHLEN, "%s", phar->fname);
- }
- php_url_free(resource);
- goto phar_stub;
- } else {
- phar_entry_info *entry;
- entry = (phar_entry_info *) ecalloc(1, sizeof(phar_entry_info));
- entry->is_temp_dir = 1;
- entry->filename = estrndup("", 0);
- entry->filename_len = 0;
- entry->phar = phar;
- entry->offset = entry->offset_abs = 0;
- entry->compressed_filesize = entry->uncompressed_filesize = phar->halt_offset;
- entry->is_crc_checked = 1;
- idata = (phar_entry_data *) ecalloc(1, sizeof(phar_entry_data));
- idata->fp = phar_get_pharfp(phar TSRMLS_CC);
- idata->phar = phar;
- idata->internal_file = entry;
- if (!phar->is_persistent) {
- ++(entry->phar->refcount);
- }
- ++(entry->fp_refcount);
- php_url_free(resource);
- if (opened_path) {
- spprintf(opened_path, MAXPATHLEN, "%s", phar->fname);
- }
- efree(internal_file);
- goto phar_stub;
- }
- }
- /* read-only access is allowed to magic files in .phar directory */
- if ((FAILURE == phar_get_entry_data(&idata, resource->host, host_len, internal_file, strlen(internal_file), "r", 0, &error, 0 TSRMLS_CC)) || !idata) {
- idata_error:
- if (error) {
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "%s", error);
- efree(error);
- } else {
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "phar error: \"%s\" is not a file in phar \"%s\"", internal_file, resource->host);
- }
- efree(internal_file);
- php_url_free(resource);
- return NULL;
- }
- }
- php_url_free(resource);
- #if MBO_0
- fprintf(stderr, "Pharname: %s\n", idata->phar->filename);
- fprintf(stderr, "Filename: %s\n", internal_file);
- fprintf(stderr, "Entry: %s\n", idata->internal_file->filename);
- fprintf(stderr, "Size: %u\n", idata->internal_file->uncompressed_filesize);
- fprintf(stderr, "Compressed: %u\n", idata->internal_file->flags);
- fprintf(stderr, "Offset: %u\n", idata->internal_file->offset_within_phar);
- fprintf(stderr, "Cached: %s\n", idata->internal_file->filedata ? "yes" : "no");
- #endif
- /* check length, crc32 */
- if (!idata->internal_file->is_crc_checked && phar_postprocess_file(idata, idata->internal_file->crc32, &error, 2 TSRMLS_CC) != SUCCESS) {
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "%s", error);
- efree(error);
- phar_entry_delref(idata TSRMLS_CC);
- efree(internal_file);
- return NULL;
- }
- if (!PHAR_G(cwd_init) && options & STREAM_OPEN_FOR_INCLUDE) {
- char *entry = idata->internal_file->filename, *cwd;
- PHAR_G(cwd_init) = 1;
- 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)) {
- /* we're executing the stub, which doesn't count as a file */
- PHAR_G(cwd_init) = 0;
- } else if ((cwd = strrchr(entry, '/'))) {
- PHAR_G(cwd_len) = cwd - entry;
- PHAR_G(cwd) = estrndup(entry, PHAR_G(cwd_len));
- } else {
- /* root directory */
- PHAR_G(cwd_len) = 0;
- PHAR_G(cwd) = NULL;
- }
- }
- if (opened_path) {
- spprintf(opened_path, MAXPATHLEN, "phar://%s/%s", idata->phar->fname, idata->internal_file->filename);
- }
- efree(internal_file);
- phar_stub:
- fpf = php_stream_alloc(&phar_ops, idata, NULL, mode);
- return fpf;
- }
- /* }}} */
- /**
- * Used for fclose($fp) where $fp is a phar archive
- */
- static int phar_stream_close(php_stream *stream, int close_handle TSRMLS_DC) /* {{{ */
- {
- phar_entry_delref((phar_entry_data *)stream->abstract TSRMLS_CC);
- return 0;
- }
- /* }}} */
- /**
- * used for fread($fp) and company on a fopen()ed phar file handle
- */
- static size_t phar_stream_read(php_stream *stream, char *buf, size_t count TSRMLS_DC) /* {{{ */
- {
- phar_entry_data *data = (phar_entry_data *)stream->abstract;
- size_t got;
- phar_entry_info *entry;
- if (data->internal_file->link) {
- entry = phar_get_link_source(data->internal_file TSRMLS_CC);
- } else {
- entry = data->internal_file;
- }
- if (entry->is_deleted) {
- stream->eof = 1;
- return 0;
- }
- /* use our proxy position */
- php_stream_seek(data->fp, data->position + data->zero, SEEK_SET);
- got = php_stream_read(data->fp, buf, MIN(count, entry->uncompressed_filesize - data->position));
- data->position = php_stream_tell(data->fp) - data->zero;
- stream->eof = (data->position == (off_t) entry->uncompressed_filesize);
- return got;
- }
- /* }}} */
- /**
- * Used for fseek($fp) on a phar file handle
- */
- static int phar_stream_seek(php_stream *stream, off_t offset, int whence, off_t *newoffset TSRMLS_DC) /* {{{ */
- {
- phar_entry_data *data = (phar_entry_data *)stream->abstract;
- phar_entry_info *entry;
- int res;
- off_t temp;
- if (data->internal_file->link) {
- entry = phar_get_link_source(data->internal_file TSRMLS_CC);
- } else {
- entry = data->internal_file;
- }
- switch (whence) {
- case SEEK_END :
- temp = data->zero + entry->uncompressed_filesize + offset;
- break;
- case SEEK_CUR :
- temp = data->zero + data->position + offset;
- break;
- case SEEK_SET :
- temp = data->zero + offset;
- break;
- }
- if (temp > data->zero + (off_t) entry->uncompressed_filesize) {
- *newoffset = -1;
- return -1;
- }
- if (temp < data->zero) {
- *newoffset = -1;
- return -1;
- }
- res = php_stream_seek(data->fp, temp, SEEK_SET);
- *newoffset = php_stream_tell(data->fp) - data->zero;
- data->position = *newoffset;
- return res;
- }
- /* }}} */
- /**
- * Used for writing to a phar file
- */
- static size_t phar_stream_write(php_stream *stream, const char *buf, size_t count TSRMLS_DC) /* {{{ */
- {
- 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 TSRMLS_CC, "phar error: Could not write %d characters to \"%s\" in phar \"%s\"", (int) count, data->internal_file->filename, data->phar->fname);
- return -1;
- }
- data->position = php_stream_tell(data->fp);
- if (data->position > (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 TSRMLS_DC) /* {{{ */
- {
- char *error;
- int ret;
- if (stream->mode[0] == 'w' || (stream->mode[0] == 'r' && stream->mode[1] == '+')) {
- ret = phar_flush(((phar_entry_data *)stream->abstract)->phar, 0, 0, 0, &error TSRMLS_CC);
- if (error) {
- php_stream_wrapper_log_error(stream->wrapper, REPORT_ERRORS TSRMLS_CC, "%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 TSRMLS_DC)
- {
- 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 */
- #ifdef NETWARE
- ssb->sb.st_mtime.tv_sec = data->timestamp;
- ssb->sb.st_atime.tv_sec = data->timestamp;
- ssb->sb.st_ctime.tv_sec = data->timestamp;
- #else
- ssb->sb.st_mtime = data->timestamp;
- ssb->sb.st_atime = data->timestamp;
- ssb->sb.st_ctime = data->timestamp;
- #endif
- } 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 */
- #ifdef NETWARE
- ssb->sb.st_mtime.tv_sec = data->timestamp;
- ssb->sb.st_atime.tv_sec = data->timestamp;
- ssb->sb.st_ctime.tv_sec = data->timestamp;
- #else
- ssb->sb.st_mtime = data->timestamp;
- ssb->sb.st_atime = data->timestamp;
- ssb->sb.st_ctime = data->timestamp;
- #endif
- } else {
- ssb->sb.st_size = 0;
- ssb->sb.st_mode = 0777;
- ssb->sb.st_mode |= S_IFDIR; /* regular directory */
- #ifdef NETWARE
- ssb->sb.st_mtime.tv_sec = phar->max_timestamp;
- ssb->sb.st_atime.tv_sec = phar->max_timestamp;
- ssb->sb.st_ctime.tv_sec = phar->max_timestamp;
- #else
- ssb->sb.st_mtime = phar->max_timestamp;
- ssb->sb.st_atime = phar->max_timestamp;
- ssb->sb.st_ctime = phar->max_timestamp;
- #endif
- }
- 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 TSRMLS_DC) /* {{{ */
- {
- 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 TSRMLS_CC);
- return 0;
- }
- /* }}} */
- /**
- * Stream wrapper stat implementation of stat()
- */
- static int phar_wrapper_stat(php_stream_wrapper *wrapper, char *url, int flags,
- php_stream_statbuf *ssb, php_stream_context *context TSRMLS_DC) /* {{{ */
- {
- php_url *resource = NULL;
- char *internal_file, *error;
- phar_archive_data *phar;
- phar_entry_info *entry;
- uint host_len;
- int internal_file_len;
- if ((resource = phar_parse_url(wrapper, url, "r", flags|PHP_STREAM_URL_STAT_QUIET TSRMLS_CC)) == 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 (strcasecmp("phar", resource->scheme)) {
- php_url_free(resource);
- return FAILURE;
- }
- host_len = strlen(resource->host);
- phar_request_initialize(TSRMLS_C);
- internal_file = 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, resource->host, host_len, NULL, 0, &error TSRMLS_CC)) {
- 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 TSRMLS_CC);
- php_url_free(resource);
- return SUCCESS;
- }
- if (!phar->manifest.arBuckets) {
- 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 (SUCCESS == zend_hash_find(&phar->manifest, internal_file, internal_file_len, (void**)&entry)) {
- phar_dostat(phar, entry, ssb, 0 TSRMLS_CC);
- php_url_free(resource);
- return SUCCESS;
- }
- if (zend_hash_exists(&(phar->virtual_dirs), internal_file, internal_file_len)) {
- phar_dostat(phar, NULL, ssb, 1 TSRMLS_CC);
- php_url_free(resource);
- return SUCCESS;
- }
- /* check for mounted directories */
- if (phar->mounted_dirs.arBuckets && zend_hash_num_elements(&phar->mounted_dirs)) {
- phar_zstr key;
- char *str_key;
- ulong unused;
- uint keylen;
- HashPosition pos;
- zend_hash_internal_pointer_reset_ex(&phar->mounted_dirs, &pos);
- while (FAILURE != zend_hash_has_more_elements_ex(&phar->mounted_dirs, &pos)) {
- if (HASH_KEY_NON_EXISTANT == zend_hash_get_current_key_ex(&phar->mounted_dirs, &key, &keylen, &unused, 0, &pos)) {
- break;
- }
- PHAR_STR(key, str_key);
- if ((int)keylen >= internal_file_len || strncmp(str_key, internal_file, keylen)) {
- zend_hash_move_forward_ex(&phar->mounted_dirs, &pos);
- PHAR_STR_FREE(str_key);
- continue;
- } else {
- char *test;
- int test_len;
- php_stream_statbuf ssbi;
- if (SUCCESS != zend_hash_find(&phar->manifest, str_key, keylen, (void **) &entry)) {
- PHAR_STR_FREE(str_key);
- goto free_resource;
- }
- PHAR_STR_FREE(str_key);
- if (!entry->tmp || !entry->is_mounted) {
- goto free_resource;
- }
- test_len = spprintf(&test, MAXPATHLEN, "%s%s", entry->tmp, internal_file + keylen);
- if (SUCCESS != php_stream_stat_path(test, &ssbi)) {
- efree(test);
- zend_hash_move_forward_ex(&phar->mounted_dirs, &pos);
- continue;
- }
- /* mount the file/directory just in time */
- if (SUCCESS != phar_mount_entry(phar, test, test_len, internal_file, internal_file_len TSRMLS_CC)) {
- efree(test);
- goto free_resource;
- }
- efree(test);
- if (SUCCESS != zend_hash_find(&phar->manifest, internal_file, internal_file_len, (void**)&entry)) {
- goto free_resource;
- }
- phar_dostat(phar, entry, ssb, 0 TSRMLS_CC);
- php_url_free(resource);
- return SUCCESS;
- }
- }
- }
- free_resource:
- php_url_free(resource);
- return FAILURE;
- }
- /* }}} */
- /**
- * Unlink a file within a phar archive
- */
- static int phar_wrapper_unlink(php_stream_wrapper *wrapper, char *url, int options, php_stream_context *context TSRMLS_DC) /* {{{ */
- {
- php_url *resource;
- char *internal_file, *error;
- int internal_file_len;
- phar_entry_data *idata;
- phar_archive_data **pphar;
- uint host_len;
- if ((resource = phar_parse_url(wrapper, url, "rb", options TSRMLS_CC)) == NULL) {
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "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 TSRMLS_CC, "phar error: invalid url \"%s\"", url);
- return 0;
- }
- if (strcasecmp("phar", resource->scheme)) {
- php_url_free(resource);
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "phar error: not a phar stream url \"%s\"", url);
- return 0;
- }
- host_len = strlen(resource->host);
- phar_request_initialize(TSRMLS_C);
- if (FAILURE == zend_hash_find(&(PHAR_GLOBALS->phar_fname_map), resource->host, host_len, (void **) &pphar)) {
- pphar = NULL;
- }
- if (PHAR_G(readonly) && (!pphar || !(*pphar)->is_data)) {
- php_url_free(resource);
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "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 = estrdup(resource->path + 1);
- internal_file_len = strlen(internal_file);
- if (FAILURE == phar_get_entry_data(&idata, resource->host, host_len, internal_file, internal_file_len, "r", 0, &error, 1 TSRMLS_CC)) {
- /* constraints of fp refcount were not met */
- if (error) {
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "unlink of \"%s\" failed: %s", url, error);
- efree(error);
- } else {
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "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 TSRMLS_CC, "phar error: \"%s\" in phar \"%s\", has open file pointers, cannot unlink", internal_file, resource->host);
- efree(internal_file);
- php_url_free(resource);
- phar_entry_delref(idata TSRMLS_CC);
- return 0;
- }
- php_url_free(resource);
- efree(internal_file);
- phar_entry_remove(idata, &error TSRMLS_CC);
- if (error) {
- php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "%s", error);
- efree(error);
- }
- return 1;
- }
- /* }}} */
- static int phar_wrapper_rename(php_stream_wrapper *wrapper, char *url_from, char *url_to, int options, php_stream_context *context TSRMLS_DC) /* {{{ */
- {
- php_url *resource_from, *resource_to;
- char *error;
- phar_archive_data *phar, *pfrom, *pto;
- phar_entry_info *entry;
- uint 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 TSRMLS_CC)) == NULL) {
- php_error_docref(NULL TSRMLS_CC, 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, resource_from->host, strlen(resource_from->host), NULL, 0, &error TSRMLS_CC)) {
- pfrom = NULL;
- if (error) {
- efree(error);
- }
- }
- if (PHAR_G(readonly) && (!pfrom || !pfrom->is_data)) {
- php_url_free(resource_from);
- php_error_docref(NULL TSRMLS_CC, 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 TSRMLS_CC)) == NULL) {
- php_url_free(resource_from);
- php_error_docref(NULL TSRMLS_CC, 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, resource_to->host, strlen(resource_to->host), NULL, 0, &error TSRMLS_CC)) {
- if (error) {
- efree(error);
- }
- pto = NULL;
- }
- if (PHAR_G(readonly) && (!pto || !pto->is_data)) {
- php_url_free(resource_from);
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "phar error: Write operations disabled by the php.ini setting phar.readonly");
- return 0;
- }
- if (strcmp(resource_from->host, resource_to->host)) {
- php_url_free(resource_from);
- php_url_free(resource_to);
- php_error_docref(NULL TSRMLS_CC, 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 TSRMLS_CC, 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 TSRMLS_CC, E_WARNING, "phar error: cannot rename \"%s\" to \"%s\": invalid url \"%s\"", url_from, url_to, url_to);
- return 0;
- }
- if (strcasecmp("phar", resource_from->scheme)) {
- php_url_free(resource_from);
- php_url_free(resource_to);
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "phar error: cannot rename \"%s\" to \"%s\": not a phar stream url \"%s\"", url_from, url_to, url_from);
- return 0;
- }
- if (strcasecmp("phar", resource_to->scheme)) {
- php_url_free(resource_from);
- php_url_free(resource_to);
- php_error_docref(NULL TSRMLS_CC, 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 = strlen(resource_from->host);
- if (SUCCESS != phar_get_archive(&phar, resource_from->host, host_len, NULL, 0, &error TSRMLS_CC)) {
- php_url_free(resource_from);
- php_url_free(resource_to);
- php_error_docref(NULL TSRMLS_CC, 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 TSRMLS_CC)) {
- php_url_free(resource_from);
- php_url_free(resource_to);
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "phar error: cannot rename \"%s\" to \"%s\": could not make cached phar writeable", url_from, url_to);
- return 0;
- }
- if (SUCCESS == zend_hash_find(&(phar->manifest), resource_from->path+1, strlen(resource_from->path)-1, (void **)&entry)) {
- 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 TSRMLS_CC, 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;
- entry->metadata = 0;
- entry->link = entry->tmp = NULL;
- source = entry;
- /* add to the manifest, and then store the pointer to the new guy in entry */
- zend_hash_add(&(phar->manifest), resource_to->path+1, strlen(resource_to->path)-1, (void **)&new, sizeof(phar_entry_info), (void **) &entry);
- entry->filename = estrdup(resource_to->path+1);
- if (FAILURE == phar_copy_entry_fp(source, entry, &error TSRMLS_CC)) {
- php_url_free(resource_from);
- php_url_free(resource_to);
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "phar error: cannot rename \"%s\" to \"%s\": %s", url_from, url_to, error);
- efree(error);
- zend_hash_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_exists(&(phar->virtual_dirs), resource_from->path+1, strlen(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 TSRMLS_CC, 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) {
- int key_type;
- phar_zstr key, new_key;
- char *str_key, *new_str_key;
- uint key_len, new_key_len;
- ulong unused;
- uint from_len = strlen(resource_from->path+1);
- uint to_len = strlen(resource_to->path+1);
- for (zend_hash_internal_pointer_reset(&phar->manifest);
- HASH_KEY_NON_EXISTANT != (key_type = zend_hash_get_current_key_ex(&phar->manifest, &key, &key_len, &unused, 0, NULL)) &&
- SUCCESS == zend_hash_get_current_data(&phar->manifest, (void **) &entry);
- zend_hash_move_forward(&phar->manifest)) {
- PHAR_STR(key, str_key);
- if (!entry->is_deleted &&
- key_len > from_len &&
- memcmp(str_key, resource_from->path+1, from_len) == 0 &&
- IS_SLASH(str_key[from_len])) {
- new_key_len = key_len + to_len - from_len;
- new_str_key = emalloc(new_key_len+1);
- memcpy(new_str_key, resource_to->path + 1, to_len);
- memcpy(new_str_key + to_len, str_key + from_len, key_len - from_len);
- new_str_key[new_key_len] = 0;
- is_modified = 1;
- entry->is_modified = 1;
- efree(entry->filename);
- entry->filename = new_str_key;
- entry->filename_len = new_key_len;
- PHAR_ZSTR(new_str_key, new_key);
- #if PHP_VERSION_ID < 50300
- zend_hash_update_current_key_ex(&phar->manifest, key_type, new_key, new_key_len, 0, NULL);
- #else
- zend_hash_update_current_key_ex(&phar->manifest, key_type, new_key, new_key_len, 0, HASH_UPDATE_KEY_ANYWAY, NULL);
- #endif
- }
- PHAR_STR_FREE(str_key);
- }
- for (zend_hash_internal_pointer_reset(&phar->virtual_dirs);
- HASH_KEY_NON_EXISTANT != (key_type = zend_hash_get_current_key_ex(&phar->virtual_dirs, &key, &key_len, &unused, 0, NULL));
- zend_hash_move_forward(&phar->virtual_dirs)) {
- PHAR_STR(key, str_key);
- if (key_len >= from_len &&
- memcmp(str_key, resource_from->path+1, from_len) == 0 &&
- (key_len == from_len || IS_SLASH(str_key[from_len]))) {
- new_key_len = key_len + to_len - from_len;
- new_str_key = emalloc(new_key_len+1);
- memcpy(new_str_key, resource_to->path + 1, to_len);
- memcpy(new_str_key + to_len, str_key + from_len, key_len - from_len);
- new_str_key[new_key_len] = 0;
- PHAR_ZSTR(new_str_key, new_key);
- #if PHP_VERSION_ID < 50300
- zend_hash_update_current_key_ex(&phar->virtual_dirs, key_type, new_key, new_key_len, 0, NULL);
- #else
- zend_hash_update_current_key_ex(&phar->virtual_dirs, key_type, new_key, new_key_len, 0, HASH_UPDATE_KEY_ANYWAY, NULL);
- #endif
- efree(new_str_key);
- }
- PHAR_STR_FREE(str_key);
- }
- for (zend_hash_internal_pointer_reset(&phar->mounted_dirs);
- HASH_KEY_NON_EXISTANT != (key_type = zend_hash_get_current_key_ex(&phar->mounted_dirs, &key, &key_len, &unused, 0, NULL)) &&
- SUCCESS == zend_hash_get_current_data(&phar->mounted_dirs, (void **) &entry);
- zend_hash_move_forward(&phar->mounted_dirs)) {
- PHAR_STR(key, str_key);
- if (key_len >= from_len &&
- memcmp(str_key, resource_from->path+1, from_len) == 0 &&
- (key_len == from_len || IS_SLASH(str_key[from_len]))) {
- new_key_len = key_len + to_len - from_len;
- new_str_key = emalloc(new_key_len+1);
- memcpy(new_str_key, resource_to->path + 1, to_len);
- memcpy(new_str_key + to_len, str_key + from_len, key_len - from_len);
- new_str_key[new_key_len] = 0;
- PHAR_ZSTR(new_str_key, new_key);
- #if PHP_VERSION_ID < 50300
- zend_hash_update_current_key_ex(&phar->mounted_dirs, key_type, new_key, new_key_len, 0, NULL);
- #else
- zend_hash_update_current_key_ex(&phar->mounted_dirs, key_type, new_key, new_key_len, 0, HASH_UPDATE_KEY_ANYWAY, NULL);
- #endif
- efree(new_str_key);
- }
- PHAR_STR_FREE(str_key);
- }
- }
- if (is_modified) {
- phar_flush(phar, 0, 0, 0, &error TSRMLS_CC);
- if (error) {
- php_url_free(resource_from);
- php_url_free(resource_to);
- php_error_docref(NULL TSRMLS_CC, 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;
- }
- /* }}} */
- /*
- * 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
- */