/* +----------------------------------------------------------------------+ | phar php single-file executable PHP extension | +----------------------------------------------------------------------+ | Copyright (c) 2005-2015 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 | +----------------------------------------------------------------------+ */ /* $Id$ */ #include "phar_internal.h" #define PHAR_FUNC(name) \ static PHP_NAMED_FUNCTION(name) PHAR_FUNC(phar_opendir) /* {{{ */ { char *filename; int filename_len; zval *zcontext = NULL; if (!PHAR_G(intercepted)) { goto skip_phar; } if ((PHAR_GLOBALS->phar_fname_map.arBuckets && !zend_hash_num_elements(&(PHAR_GLOBALS->phar_fname_map))) && !cached_phars.arBuckets) { goto skip_phar; } if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|z", &filename, &filename_len, &zcontext) == FAILURE) { return; } if (!IS_ABSOLUTE_PATH(filename, filename_len) && !strstr(filename, "://")) { char *arch, *entry, *fname; int arch_len, entry_len, fname_len; fname = (char*)zend_get_executed_filename(TSRMLS_C); /* we are checking for existence of a file within the relative path. Chances are good that this is retrieving something from within the phar archive */ if (strncasecmp(fname, "phar://", 7)) { goto skip_phar; } fname_len = strlen(fname); if (SUCCESS == phar_split_fname(fname, fname_len, &arch, &arch_len, &entry, &entry_len, 2, 0 TSRMLS_CC)) { php_stream_context *context = NULL; php_stream *stream; char *name; efree(entry); entry = estrndup(filename, filename_len); /* fopen within phar, if :// is not in the url, then prepend phar:/// */ entry_len = filename_len; /* retrieving a file within the current directory, so use this if possible */ entry = phar_fix_filepath(entry, &entry_len, 1 TSRMLS_CC); if (entry[0] == '/') { spprintf(&name, 4096, "phar://%s%s", arch, entry); } else { spprintf(&name, 4096, "phar://%s/%s", arch, entry); } efree(entry); efree(arch); if (zcontext) { context = php_stream_context_from_zval(zcontext, 0); } stream = php_stream_opendir(name, REPORT_ERRORS, context); efree(name); if (!stream) { RETURN_FALSE; } php_stream_to_zval(stream, return_value); return; } } skip_phar: PHAR_G(orig_opendir)(INTERNAL_FUNCTION_PARAM_PASSTHRU); return; } /* }}} */ PHAR_FUNC(phar_file_get_contents) /* {{{ */ { char *filename; int filename_len; char *contents; zend_bool use_include_path = 0; php_stream *stream; int len; long offset = -1; long maxlen = PHP_STREAM_COPY_ALL; zval *zcontext = NULL; if (!PHAR_G(intercepted)) { goto skip_phar; } if ((PHAR_GLOBALS->phar_fname_map.arBuckets && !zend_hash_num_elements(&(PHAR_GLOBALS->phar_fname_map))) && !cached_phars.arBuckets) { goto skip_phar; } /* Parse arguments */ if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "p|br!ll", &filename, &filename_len, &use_include_path, &zcontext, &offset, &maxlen) == FAILURE) { goto skip_phar; } if (use_include_path || (!IS_ABSOLUTE_PATH(filename, filename_len) && !strstr(filename, "://"))) { char *arch, *entry, *fname; int arch_len, entry_len, fname_len; php_stream_context *context = NULL; fname = (char*)zend_get_executed_filename(TSRMLS_C); if (strncasecmp(fname, "phar://", 7)) { goto skip_phar; } fname_len = strlen(fname); if (SUCCESS == phar_split_fname(fname, fname_len, &arch, &arch_len, &entry, &entry_len, 2, 0 TSRMLS_CC)) { char *name; phar_archive_data *phar; efree(entry); entry = filename; /* fopen within phar, if :// is not in the url, then prepend phar:/// */ entry_len = filename_len; if (ZEND_NUM_ARGS() == 5 && maxlen < 0) { efree(arch); php_error_docref(NULL TSRMLS_CC, E_WARNING, "length must be greater than or equal to zero"); RETURN_FALSE; } /* retrieving a file defaults to within the current directory, so use this if possible */ if (FAILURE == phar_get_archive(&phar, arch, arch_len, NULL, 0, NULL TSRMLS_CC)) { efree(arch); goto skip_phar; } if (use_include_path) { if ((entry = phar_find_in_include_path(entry, entry_len, NULL TSRMLS_CC))) { name = entry; goto phar_it; } else { /* this file is not in the phar, use the original path */ efree(arch); goto skip_phar; } } else { entry = phar_fix_filepath(estrndup(entry, entry_len), &entry_len, 1 TSRMLS_CC); if (entry[0] == '/') { if (!zend_hash_exists(&(phar->manifest), entry + 1, entry_len - 1)) { /* this file is not in the phar, use the original path */ notfound: efree(arch); efree(entry); goto skip_phar; } } else { if (!zend_hash_exists(&(phar->manifest), entry, entry_len)) { goto notfound; } } /* auto-convert to phar:// */ if (entry[0] == '/') { spprintf(&name, 4096, "phar://%s%s", arch, entry); } else { spprintf(&name, 4096, "phar://%s/%s", arch, entry); } if (entry != filename) { efree(entry); } } phar_it: efree(arch); if (zcontext) { context = php_stream_context_from_zval(zcontext, 0); } stream = php_stream_open_wrapper_ex(name, "rb", 0 | REPORT_ERRORS, NULL, context); efree(name); if (!stream) { RETURN_FALSE; } if (offset > 0 && php_stream_seek(stream, offset, SEEK_SET) < 0) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to seek to position %ld in the stream", offset); php_stream_close(stream); RETURN_FALSE; } /* uses mmap if possible */ if ((len = php_stream_copy_to_mem(stream, &contents, maxlen, 0)) > 0) { #if PHP_API_VERSION < 20100412 if (PG(magic_quotes_runtime)) { int newlen; contents = php_addslashes(contents, len, &newlen, 1 TSRMLS_CC); /* 1 = free source string */ len = newlen; } #endif RETVAL_STRINGL(contents, len, 0); } else if (len == 0) { RETVAL_EMPTY_STRING(); } else { RETVAL_FALSE; } php_stream_close(stream); return; } } skip_phar: PHAR_G(orig_file_get_contents)(INTERNAL_FUNCTION_PARAM_PASSTHRU); return; } /* }}} */ PHAR_FUNC(phar_readfile) /* {{{ */ { char *filename; int filename_len; int size = 0; zend_bool use_include_path = 0; zval *zcontext = NULL; php_stream *stream; if (!PHAR_G(intercepted)) { goto skip_phar; } if ((PHAR_GLOBALS->phar_fname_map.arBuckets && !zend_hash_num_elements(&(PHAR_GLOBALS->phar_fname_map))) && !cached_phars.arBuckets) { goto skip_phar; } if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "p|br!", &filename, &filename_len, &use_include_path, &zcontext) == FAILURE) { goto skip_phar; } if (use_include_path || (!IS_ABSOLUTE_PATH(filename, filename_len) && !strstr(filename, "://"))) { char *arch, *entry, *fname; int arch_len, entry_len, fname_len; php_stream_context *context = NULL; char *name; phar_archive_data *phar; fname = (char*)zend_get_executed_filename(TSRMLS_C); if (strncasecmp(fname, "phar://", 7)) { goto skip_phar; } fname_len = strlen(fname); if (FAILURE == phar_split_fname(fname, fname_len, &arch, &arch_len, &entry, &entry_len, 2, 0 TSRMLS_CC)) { goto skip_phar; } efree(entry); entry = filename; /* fopen within phar, if :// is not in the url, then prepend phar:/// */ entry_len = filename_len; /* retrieving a file defaults to within the current directory, so use this if possible */ if (FAILURE == phar_get_archive(&phar, arch, arch_len, NULL, 0, NULL TSRMLS_CC)) { efree(arch); goto skip_phar; } if (use_include_path) { if (!(entry = phar_find_in_include_path(entry, entry_len, NULL TSRMLS_CC))) { /* this file is not in the phar, use the original path */ efree(arch); goto skip_phar; } else { name = entry; } } else { entry = phar_fix_filepath(estrndup(entry, entry_len), &entry_len, 1 TSRMLS_CC); if (entry[0] == '/') { if (!zend_hash_exists(&(phar->manifest), entry + 1, entry_len - 1)) { /* this file is not in the phar, use the original path */ notfound: efree(entry); efree(arch); goto skip_phar; } } else { if (!zend_hash_exists(&(phar->manifest), entry, entry_len)) { goto notfound; } } /* auto-convert to phar:// */ if (entry[0] == '/') { spprintf(&name, 4096, "phar://%s%s", arch, entry); } else { spprintf(&name, 4096, "phar://%s/%s", arch, entry); } efree(entry); } efree(arch); context = php_stream_context_from_zval(zcontext, 0); stream = php_stream_open_wrapper_ex(name, "rb", 0 | REPORT_ERRORS, NULL, context); efree(name); if (stream == NULL) { RETURN_FALSE; } size = php_stream_passthru(stream); php_stream_close(stream); RETURN_LONG(size); } skip_phar: PHAR_G(orig_readfile)(INTERNAL_FUNCTION_PARAM_PASSTHRU); return; } /* }}} */ PHAR_FUNC(phar_fopen) /* {{{ */ { char *filename, *mode; int filename_len, mode_len; zend_bool use_include_path = 0; zval *zcontext = NULL; php_stream *stream; if (!PHAR_G(intercepted)) { goto skip_phar; } if ((PHAR_GLOBALS->phar_fname_map.arBuckets && !zend_hash_num_elements(&(PHAR_GLOBALS->phar_fname_map))) && !cached_phars.arBuckets) { /* no need to check, include_path not even specified in fopen/ no active phars */ goto skip_phar; } if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "ps|br", &filename, &filename_len, &mode, &mode_len, &use_include_path, &zcontext) == FAILURE) { goto skip_phar; } if (use_include_path || (!IS_ABSOLUTE_PATH(filename, filename_len) && !strstr(filename, "://"))) { char *arch, *entry, *fname; int arch_len, entry_len, fname_len; php_stream_context *context = NULL; char *name; phar_archive_data *phar; fname = (char*)zend_get_executed_filename(TSRMLS_C); if (strncasecmp(fname, "phar://", 7)) { goto skip_phar; } fname_len = strlen(fname); if (FAILURE == phar_split_fname(fname, fname_len, &arch, &arch_len, &entry, &entry_len, 2, 0 TSRMLS_CC)) { goto skip_phar; } efree(entry); entry = filename; /* fopen within phar, if :// is not in the url, then prepend phar:/// */ entry_len = filename_len; /* retrieving a file defaults to within the current directory, so use this if possible */ if (FAILURE == phar_get_archive(&phar, arch, arch_len, NULL, 0, NULL TSRMLS_CC)) { efree(arch); goto skip_phar; } if (use_include_path) { if (!(entry = phar_find_in_include_path(entry, entry_len, NULL TSRMLS_CC))) { /* this file is not in the phar, use the original path */ efree(arch); goto skip_phar; } else { name = entry; } } else { entry = phar_fix_filepath(estrndup(entry, entry_len), &entry_len, 1 TSRMLS_CC); if (entry[0] == '/') { if (!zend_hash_exists(&(phar->manifest), entry + 1, entry_len - 1)) { /* this file is not in the phar, use the original path */ notfound: efree(entry); efree(arch); goto skip_phar; } } else { if (!zend_hash_exists(&(phar->manifest), entry, entry_len)) { /* this file is not in the phar, use the original path */ goto notfound; } } /* auto-convert to phar:// */ if (entry[0] == '/') { spprintf(&name, 4096, "phar://%s%s", arch, entry); } else { spprintf(&name, 4096, "phar://%s/%s", arch, entry); } efree(entry); } efree(arch); context = php_stream_context_from_zval(zcontext, 0); stream = php_stream_open_wrapper_ex(name, mode, 0 | REPORT_ERRORS, NULL, context); efree(name); if (stream == NULL) { RETURN_FALSE; } php_stream_to_zval(stream, return_value); if (zcontext) { zend_list_addref(Z_RESVAL_P(zcontext)); } return; } skip_phar: PHAR_G(orig_fopen)(INTERNAL_FUNCTION_PARAM_PASSTHRU); return; } /* }}} */ #ifndef S_ISDIR #define S_ISDIR(mode) (((mode)&S_IFMT) == S_IFDIR) #endif #ifndef S_ISREG #define S_ISREG(mode) (((mode)&S_IFMT) == S_IFREG) #endif #ifndef S_ISLNK #define S_ISLNK(mode) (((mode)&S_IFMT) == S_IFLNK) #endif #define S_IXROOT ( S_IXUSR | S_IXGRP | S_IXOTH ) #define IS_LINK_OPERATION(__t) ((__t) == FS_TYPE || (__t) == FS_IS_LINK || (__t) == FS_LSTAT) #define IS_EXISTS_CHECK(__t) ((__t) == FS_EXISTS || (__t) == FS_IS_W || (__t) == FS_IS_R || (__t) == FS_IS_X || (__t) == FS_IS_FILE || (__t) == FS_IS_DIR || (__t) == FS_IS_LINK) #define IS_ABLE_CHECK(__t) ((__t) == FS_IS_R || (__t) == FS_IS_W || (__t) == FS_IS_X) #define IS_ACCESS_CHECK(__t) (IS_ABLE_CHECK(type) || (__t) == FS_EXISTS) /* {{{ php_stat */ static void phar_fancy_stat(struct stat *stat_sb, int type, zval *return_value TSRMLS_DC) { 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; int rmask=S_IROTH, wmask=S_IWOTH, xmask=S_IXOTH; /* access rights defaults to other */ char *stat_sb_names[13] = { "dev", "ino", "mode", "nlink", "uid", "gid", "rdev", "size", "atime", "mtime", "ctime", "blksize", "blocks" }; #ifndef NETWARE if (type >= FS_IS_W && type <= FS_IS_X) { if(stat_sb->st_uid==getuid()) { rmask=S_IRUSR; wmask=S_IWUSR; xmask=S_IXUSR; } else if(stat_sb->st_gid==getgid()) { rmask=S_IRGRP; wmask=S_IWGRP; xmask=S_IXGRP; } else { int groups, n, i; gid_t *gids; groups = getgroups(0, NULL); if(groups > 0) { gids=(gid_t *)safe_emalloc(groups, sizeof(gid_t), 0); n=getgroups(groups, gids); for(i=0;ist_gid==gids[i]) { rmask=S_IRGRP; wmask=S_IWGRP; xmask=S_IXGRP; break; } } efree(gids); } } } #endif switch (type) { case FS_PERMS: RETURN_LONG((long)stat_sb->st_mode); case FS_INODE: RETURN_LONG((long)stat_sb->st_ino); case FS_SIZE: RETURN_LONG((long)stat_sb->st_size); case FS_OWNER: RETURN_LONG((long)stat_sb->st_uid); case FS_GROUP: RETURN_LONG((long)stat_sb->st_gid); case FS_ATIME: #ifdef NETWARE RETURN_LONG((long)stat_sb->st_atime.tv_sec); #else RETURN_LONG((long)stat_sb->st_atime); #endif case FS_MTIME: #ifdef NETWARE RETURN_LONG((long)stat_sb->st_mtime.tv_sec); #else RETURN_LONG((long)stat_sb->st_mtime); #endif case FS_CTIME: #ifdef NETWARE RETURN_LONG((long)stat_sb->st_ctime.tv_sec); #else RETURN_LONG((long)stat_sb->st_ctime); #endif case FS_TYPE: if (S_ISLNK(stat_sb->st_mode)) { RETURN_STRING("link", 1); } switch(stat_sb->st_mode & S_IFMT) { case S_IFDIR: RETURN_STRING("dir", 1); case S_IFREG: RETURN_STRING("file", 1); } php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Unknown file type (%u)", stat_sb->st_mode & S_IFMT); RETURN_STRING("unknown", 1); case FS_IS_W: RETURN_BOOL((stat_sb->st_mode & wmask) != 0); case FS_IS_R: RETURN_BOOL((stat_sb->st_mode&rmask)!=0); case FS_IS_X: RETURN_BOOL((stat_sb->st_mode&xmask)!=0 && !S_ISDIR(stat_sb->st_mode)); case FS_IS_FILE: RETURN_BOOL(S_ISREG(stat_sb->st_mode)); case FS_IS_DIR: RETURN_BOOL(S_ISDIR(stat_sb->st_mode)); case FS_IS_LINK: RETURN_BOOL(S_ISLNK(stat_sb->st_mode)); case FS_EXISTS: RETURN_TRUE; /* the false case was done earlier */ case FS_LSTAT: /* FALLTHROUGH */ case FS_STAT: array_init(return_value); MAKE_LONG_ZVAL_INCREF(stat_dev, stat_sb->st_dev); MAKE_LONG_ZVAL_INCREF(stat_ino, stat_sb->st_ino); MAKE_LONG_ZVAL_INCREF(stat_mode, stat_sb->st_mode); MAKE_LONG_ZVAL_INCREF(stat_nlink, stat_sb->st_nlink); MAKE_LONG_ZVAL_INCREF(stat_uid, stat_sb->st_uid); MAKE_LONG_ZVAL_INCREF(stat_gid, stat_sb->st_gid); #ifdef HAVE_ST_RDEV MAKE_LONG_ZVAL_INCREF(stat_rdev, stat_sb->st_rdev); #else MAKE_LONG_ZVAL_INCREF(stat_rdev, -1); #endif MAKE_LONG_ZVAL_INCREF(stat_size, stat_sb->st_size); #ifdef NETWARE MAKE_LONG_ZVAL_INCREF(stat_atime, (stat_sb->st_atime).tv_sec); MAKE_LONG_ZVAL_INCREF(stat_mtime, (stat_sb->st_mtime).tv_sec); MAKE_LONG_ZVAL_INCREF(stat_ctime, (stat_sb->st_ctime).tv_sec); #else MAKE_LONG_ZVAL_INCREF(stat_atime, stat_sb->st_atime); MAKE_LONG_ZVAL_INCREF(stat_mtime, stat_sb->st_mtime); MAKE_LONG_ZVAL_INCREF(stat_ctime, stat_sb->st_ctime); #endif #ifdef HAVE_ST_BLKSIZE MAKE_LONG_ZVAL_INCREF(stat_blksize, stat_sb->st_blksize); #else MAKE_LONG_ZVAL_INCREF(stat_blksize,-1); #endif #ifdef HAVE_ST_BLOCKS MAKE_LONG_ZVAL_INCREF(stat_blocks, stat_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); return; } php_error_docref(NULL TSRMLS_CC, E_WARNING, "Didn't understand stat call"); RETURN_FALSE; } /* }}} */ static void phar_file_stat(const char *filename, php_stat_len filename_length, int type, void (*orig_stat_func)(INTERNAL_FUNCTION_PARAMETERS), INTERNAL_FUNCTION_PARAMETERS) /* {{{ */ { if (!filename_length) { RETURN_FALSE; } if (!IS_ABSOLUTE_PATH(filename, filename_length) && !strstr(filename, "://")) { char *arch, *entry, *fname; int arch_len, entry_len, fname_len; struct stat sb = {0}; phar_entry_info *data = NULL; phar_archive_data *phar; fname = (char*)zend_get_executed_filename(TSRMLS_C); /* we are checking for existence of a file within the relative path. Chances are good that this is retrieving something from within the phar archive */ if (strncasecmp(fname, "phar://", 7)) { goto skip_phar; } fname_len = strlen(fname); if (PHAR_G(last_phar) && fname_len - 7 >= PHAR_G(last_phar_name_len) && !memcmp(fname + 7, PHAR_G(last_phar_name), PHAR_G(last_phar_name_len))) { arch = estrndup(PHAR_G(last_phar_name), PHAR_G(last_phar_name_len)); arch_len = PHAR_G(last_phar_name_len); entry = estrndup(filename, filename_length); /* fopen within phar, if :// is not in the url, then prepend phar:/// */ entry_len = (int) filename_length; phar = PHAR_G(last_phar); goto splitted; } if (SUCCESS == phar_split_fname(fname, fname_len, &arch, &arch_len, &entry, &entry_len, 2, 0 TSRMLS_CC)) { efree(entry); entry = estrndup(filename, filename_length); /* fopen within phar, if :// is not in the url, then prepend phar:/// */ entry_len = (int) filename_length; if (FAILURE == phar_get_archive(&phar, arch, arch_len, NULL, 0, NULL TSRMLS_CC)) { efree(arch); efree(entry); goto skip_phar; } splitted: entry = phar_fix_filepath(entry, &entry_len, 1 TSRMLS_CC); if (entry[0] == '/') { if (SUCCESS == zend_hash_find(&(phar->manifest), entry + 1, entry_len - 1, (void **) &data)) { efree(entry); goto stat_entry; } goto notfound; } if (SUCCESS == zend_hash_find(&(phar->manifest), entry, entry_len, (void **) &data)) { efree(entry); goto stat_entry; } if (zend_hash_exists(&(phar->virtual_dirs), entry, entry_len)) { efree(entry); efree(arch); if (IS_EXISTS_CHECK(type)) { RETURN_TRUE; } sb.st_size = 0; sb.st_mode = 0777; sb.st_mode |= S_IFDIR; /* regular directory */ #ifdef NETWARE sb.st_mtime.tv_sec = phar->max_timestamp; sb.st_atime.tv_sec = phar->max_timestamp; sb.st_ctime.tv_sec = phar->max_timestamp; #else sb.st_mtime = phar->max_timestamp; sb.st_atime = phar->max_timestamp; sb.st_ctime = phar->max_timestamp; #endif goto statme_baby; } else { char *save; int save_len; notfound: efree(entry); save = PHAR_G(cwd); save_len = PHAR_G(cwd_len); /* this file is not in the current directory, use the original path */ entry = estrndup(filename, filename_length); entry_len = filename_length; PHAR_G(cwd) = "/"; PHAR_G(cwd_len) = 0; /* clean path without cwd */ entry = phar_fix_filepath(entry, &entry_len, 1 TSRMLS_CC); if (SUCCESS == zend_hash_find(&(phar->manifest), entry + 1, entry_len - 1, (void **) &data)) { PHAR_G(cwd) = save; PHAR_G(cwd_len) = save_len; efree(entry); if (IS_EXISTS_CHECK(type)) { efree(arch); RETURN_TRUE; } goto stat_entry; } if (zend_hash_exists(&(phar->virtual_dirs), entry + 1, entry_len - 1)) { PHAR_G(cwd) = save; PHAR_G(cwd_len) = save_len; efree(entry); efree(arch); if (IS_EXISTS_CHECK(type)) { RETURN_TRUE; } sb.st_size = 0; sb.st_mode = 0777; sb.st_mode |= S_IFDIR; /* regular directory */ #ifdef NETWARE sb.st_mtime.tv_sec = phar->max_timestamp; sb.st_atime.tv_sec = phar->max_timestamp; sb.st_ctime.tv_sec = phar->max_timestamp; #else sb.st_mtime = phar->max_timestamp; sb.st_atime = phar->max_timestamp; sb.st_ctime = phar->max_timestamp; #endif goto statme_baby; } PHAR_G(cwd) = save; PHAR_G(cwd_len) = save_len; efree(entry); efree(arch); /* Error Occurred */ if (!IS_EXISTS_CHECK(type)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "%sstat failed for %s", IS_LINK_OPERATION(type) ? "L" : "", filename); } RETURN_FALSE; } stat_entry: efree(arch); if (!data->is_dir) { sb.st_size = data->uncompressed_filesize; sb.st_mode = data->flags & PHAR_ENT_PERM_MASK; if (data->link) { sb.st_mode |= S_IFREG|S_IFLNK; /* regular file */ } else { sb.st_mode |= S_IFREG; /* regular file */ } /* timestamp is just the timestamp when this was added to the phar */ #ifdef NETWARE sb.st_mtime.tv_sec = data->timestamp; sb.st_atime.tv_sec = data->timestamp; sb.st_ctime.tv_sec = data->timestamp; #else sb.st_mtime = data->timestamp; sb.st_atime = data->timestamp; sb.st_ctime = data->timestamp; #endif } else { sb.st_size = 0; sb.st_mode = data->flags & PHAR_ENT_PERM_MASK; sb.st_mode |= S_IFDIR; /* regular directory */ if (data->link) { sb.st_mode |= S_IFLNK; } /* timestamp is just the timestamp when this was added to the phar */ #ifdef NETWARE sb.st_mtime.tv_sec = data->timestamp; sb.st_atime.tv_sec = data->timestamp; sb.st_ctime.tv_sec = data->timestamp; #else sb.st_mtime = data->timestamp; sb.st_atime = data->timestamp; sb.st_ctime = data->timestamp; #endif } statme_baby: if (!phar->is_writeable) { sb.st_mode = (sb.st_mode & 0555) | (sb.st_mode & ~0777); } sb.st_nlink = 1; sb.st_rdev = -1; /* this is only for APC, so use /dev/null device - no chance of conflict there! */ sb.st_dev = 0xc; /* generate unique inode number for alias/filename, so no phars will conflict */ if (data) { sb.st_ino = data->inode; } #ifndef PHP_WIN32 sb.st_blksize = -1; sb.st_blocks = -1; #endif phar_fancy_stat(&sb, type, return_value TSRMLS_CC); return; } } skip_phar: orig_stat_func(INTERNAL_FUNCTION_PARAM_PASSTHRU); return; } /* }}} */ #define PharFileFunction(fname, funcnum, orig) \ void fname(INTERNAL_FUNCTION_PARAMETERS) { \ if (!PHAR_G(intercepted)) { \ PHAR_G(orig)(INTERNAL_FUNCTION_PARAM_PASSTHRU); \ } else { \ char *filename; \ int filename_len; \ \ if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p", &filename, &filename_len) == FAILURE) { \ return; \ } \ \ phar_file_stat(filename, (php_stat_len) filename_len, funcnum, PHAR_G(orig), INTERNAL_FUNCTION_PARAM_PASSTHRU); \ } \ } /* }}} */ /* {{{ proto int fileperms(string filename) Get file permissions */ PharFileFunction(phar_fileperms, FS_PERMS, orig_fileperms) /* }}} */ /* {{{ proto int fileinode(string filename) Get file inode */ PharFileFunction(phar_fileinode, FS_INODE, orig_fileinode) /* }}} */ /* {{{ proto int filesize(string filename) Get file size */ PharFileFunction(phar_filesize, FS_SIZE, orig_filesize) /* }}} */ /* {{{ proto int fileowner(string filename) Get file owner */ PharFileFunction(phar_fileowner, FS_OWNER, orig_fileowner) /* }}} */ /* {{{ proto int filegroup(string filename) Get file group */ PharFileFunction(phar_filegroup, FS_GROUP, orig_filegroup) /* }}} */ /* {{{ proto int fileatime(string filename) Get last access time of file */ PharFileFunction(phar_fileatime, FS_ATIME, orig_fileatime) /* }}} */ /* {{{ proto int filemtime(string filename) Get last modification time of file */ PharFileFunction(phar_filemtime, FS_MTIME, orig_filemtime) /* }}} */ /* {{{ proto int filectime(string filename) Get inode modification time of file */ PharFileFunction(phar_filectime, FS_CTIME, orig_filectime) /* }}} */ /* {{{ proto string filetype(string filename) Get file type */ PharFileFunction(phar_filetype, FS_TYPE, orig_filetype) /* }}} */ /* {{{ proto bool is_writable(string filename) Returns true if file can be written */ PharFileFunction(phar_is_writable, FS_IS_W, orig_is_writable) /* }}} */ /* {{{ proto bool is_readable(string filename) Returns true if file can be read */ PharFileFunction(phar_is_readable, FS_IS_R, orig_is_readable) /* }}} */ /* {{{ proto bool is_executable(string filename) Returns true if file is executable */ PharFileFunction(phar_is_executable, FS_IS_X, orig_is_executable) /* }}} */ /* {{{ proto bool file_exists(string filename) Returns true if filename exists */ PharFileFunction(phar_file_exists, FS_EXISTS, orig_file_exists) /* }}} */ /* {{{ proto bool is_dir(string filename) Returns true if file is directory */ PharFileFunction(phar_is_dir, FS_IS_DIR, orig_is_dir) /* }}} */ PHAR_FUNC(phar_is_file) /* {{{ */ { char *filename; int filename_len; if (!PHAR_G(intercepted)) { goto skip_phar; } if ((PHAR_GLOBALS->phar_fname_map.arBuckets && !zend_hash_num_elements(&(PHAR_GLOBALS->phar_fname_map))) && !cached_phars.arBuckets) { goto skip_phar; } if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "p", &filename, &filename_len) == FAILURE) { goto skip_phar; } if (!IS_ABSOLUTE_PATH(filename, filename_len) && !strstr(filename, "://")) { char *arch, *entry, *fname; int arch_len, entry_len, fname_len; fname = (char*)zend_get_executed_filename(TSRMLS_C); /* we are checking for existence of a file within the relative path. Chances are good that this is retrieving something from within the phar archive */ if (strncasecmp(fname, "phar://", 7)) { goto skip_phar; } fname_len = strlen(fname); if (SUCCESS == phar_split_fname(fname, fname_len, &arch, &arch_len, &entry, &entry_len, 2, 0 TSRMLS_CC)) { phar_archive_data *phar; efree(entry); entry = filename; /* fopen within phar, if :// is not in the url, then prepend phar:/// */ entry_len = filename_len; /* retrieving a file within the current directory, so use this if possible */ if (SUCCESS == phar_get_archive(&phar, arch, arch_len, NULL, 0, NULL TSRMLS_CC)) { phar_entry_info *etemp; entry = phar_fix_filepath(estrndup(entry, entry_len), &entry_len, 1 TSRMLS_CC); if (entry[0] == '/') { if (SUCCESS == zend_hash_find(&(phar->manifest), entry + 1, entry_len - 1, (void **) &etemp)) { /* this file is not in the current directory, use the original path */ found_it: efree(entry); efree(arch); RETURN_BOOL(!etemp->is_dir); } } else { if (SUCCESS == zend_hash_find(&(phar->manifest), entry, entry_len, (void **) &etemp)) { goto found_it; } } } if (entry != filename) { efree(entry); } efree(arch); RETURN_FALSE; } } skip_phar: PHAR_G(orig_is_file)(INTERNAL_FUNCTION_PARAM_PASSTHRU); return; } /* }}} */ PHAR_FUNC(phar_is_link) /* {{{ */ { char *filename; int filename_len; if (!PHAR_G(intercepted)) { goto skip_phar; } if ((PHAR_GLOBALS->phar_fname_map.arBuckets && !zend_hash_num_elements(&(PHAR_GLOBALS->phar_fname_map))) && !cached_phars.arBuckets) { goto skip_phar; } if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "p", &filename, &filename_len) == FAILURE) { goto skip_phar; } if (!IS_ABSOLUTE_PATH(filename, filename_len) && !strstr(filename, "://")) { char *arch, *entry, *fname; int arch_len, entry_len, fname_len; fname = (char*)zend_get_executed_filename(TSRMLS_C); /* we are checking for existence of a file within the relative path. Chances are good that this is retrieving something from within the phar archive */ if (strncasecmp(fname, "phar://", 7)) { goto skip_phar; } fname_len = strlen(fname); if (SUCCESS == phar_split_fname(fname, fname_len, &arch, &arch_len, &entry, &entry_len, 2, 0 TSRMLS_CC)) { phar_archive_data *phar; efree(entry); entry = filename; /* fopen within phar, if :// is not in the url, then prepend phar:/// */ entry_len = filename_len; /* retrieving a file within the current directory, so use this if possible */ if (SUCCESS == phar_get_archive(&phar, arch, arch_len, NULL, 0, NULL TSRMLS_CC)) { phar_entry_info *etemp; entry = phar_fix_filepath(estrndup(entry, entry_len), &entry_len, 1 TSRMLS_CC); if (entry[0] == '/') { if (SUCCESS == zend_hash_find(&(phar->manifest), entry + 1, entry_len - 1, (void **) &etemp)) { /* this file is not in the current directory, use the original path */ found_it: efree(entry); efree(arch); RETURN_BOOL(etemp->link); } } else { if (SUCCESS == zend_hash_find(&(phar->manifest), entry, entry_len, (void **) &etemp)) { goto found_it; } } } efree(entry); efree(arch); RETURN_FALSE; } } skip_phar: PHAR_G(orig_is_link)(INTERNAL_FUNCTION_PARAM_PASSTHRU); return; } /* }}} */ /* {{{ proto array lstat(string filename) Give information about a file or symbolic link */ PharFileFunction(phar_lstat, FS_LSTAT, orig_lstat) /* }}} */ /* {{{ proto array stat(string filename) Give information about a file */ PharFileFunction(phar_stat, FS_STAT, orig_stat) /* }}} */ /* {{{ void phar_intercept_functions(TSRMLS_D) */ void phar_intercept_functions(TSRMLS_D) { if (!PHAR_G(request_init)) { PHAR_G(cwd) = NULL; PHAR_G(cwd_len) = 0; } PHAR_G(intercepted) = 1; } /* }}} */ /* {{{ void phar_release_functions(TSRMLS_D) */ void phar_release_functions(TSRMLS_D) { PHAR_G(intercepted) = 0; } /* }}} */ /* {{{ void phar_intercept_functions_init(TSRMLS_D) */ #define PHAR_INTERCEPT(func) \ PHAR_G(orig_##func) = NULL; \ if (SUCCESS == zend_hash_find(CG(function_table), #func, sizeof(#func), (void **)&orig)) { \ PHAR_G(orig_##func) = orig->internal_function.handler; \ orig->internal_function.handler = phar_##func; \ } void phar_intercept_functions_init(TSRMLS_D) { zend_function *orig; PHAR_INTERCEPT(fopen); PHAR_INTERCEPT(file_get_contents); PHAR_INTERCEPT(is_file); PHAR_INTERCEPT(is_link); PHAR_INTERCEPT(is_dir); PHAR_INTERCEPT(opendir); PHAR_INTERCEPT(file_exists); PHAR_INTERCEPT(fileperms); PHAR_INTERCEPT(fileinode); PHAR_INTERCEPT(filesize); PHAR_INTERCEPT(fileowner); PHAR_INTERCEPT(filegroup); PHAR_INTERCEPT(fileatime); PHAR_INTERCEPT(filemtime); PHAR_INTERCEPT(filectime); PHAR_INTERCEPT(filetype); PHAR_INTERCEPT(is_writable); PHAR_INTERCEPT(is_readable); PHAR_INTERCEPT(is_executable); PHAR_INTERCEPT(lstat); PHAR_INTERCEPT(stat); PHAR_INTERCEPT(readfile); PHAR_G(intercepted) = 0; } /* }}} */ /* {{{ void phar_intercept_functions_shutdown(TSRMLS_D) */ #define PHAR_RELEASE(func) \ if (PHAR_G(orig_##func) && SUCCESS == zend_hash_find(CG(function_table), #func, sizeof(#func), (void **)&orig)) { \ orig->internal_function.handler = PHAR_G(orig_##func); \ } \ PHAR_G(orig_##func) = NULL; void phar_intercept_functions_shutdown(TSRMLS_D) { zend_function *orig; PHAR_RELEASE(fopen); PHAR_RELEASE(file_get_contents); PHAR_RELEASE(is_file); PHAR_RELEASE(is_dir); PHAR_RELEASE(opendir); PHAR_RELEASE(file_exists); PHAR_RELEASE(fileperms); PHAR_RELEASE(fileinode); PHAR_RELEASE(filesize); PHAR_RELEASE(fileowner); PHAR_RELEASE(filegroup); PHAR_RELEASE(fileatime); PHAR_RELEASE(filemtime); PHAR_RELEASE(filectime); PHAR_RELEASE(filetype); PHAR_RELEASE(is_writable); PHAR_RELEASE(is_readable); PHAR_RELEASE(is_executable); PHAR_RELEASE(lstat); PHAR_RELEASE(stat); PHAR_RELEASE(readfile); PHAR_G(intercepted) = 0; } /* }}} */ static struct _phar_orig_functions { void (*orig_fopen)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_file_get_contents)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_is_file)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_is_link)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_is_dir)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_opendir)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_file_exists)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_fileperms)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_fileinode)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_filesize)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_fileowner)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_filegroup)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_fileatime)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_filemtime)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_filectime)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_filetype)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_is_writable)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_is_readable)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_is_executable)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_lstat)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_readfile)(INTERNAL_FUNCTION_PARAMETERS); void (*orig_stat)(INTERNAL_FUNCTION_PARAMETERS); } phar_orig_functions = {NULL}; void phar_save_orig_functions(TSRMLS_D) /* {{{ */ { phar_orig_functions.orig_fopen = PHAR_G(orig_fopen); phar_orig_functions.orig_file_get_contents = PHAR_G(orig_file_get_contents); phar_orig_functions.orig_is_file = PHAR_G(orig_is_file); phar_orig_functions.orig_is_link = PHAR_G(orig_is_link); phar_orig_functions.orig_is_dir = PHAR_G(orig_is_dir); phar_orig_functions.orig_opendir = PHAR_G(orig_opendir); phar_orig_functions.orig_file_exists = PHAR_G(orig_file_exists); phar_orig_functions.orig_fileperms = PHAR_G(orig_fileperms); phar_orig_functions.orig_fileinode = PHAR_G(orig_fileinode); phar_orig_functions.orig_filesize = PHAR_G(orig_filesize); phar_orig_functions.orig_fileowner = PHAR_G(orig_fileowner); phar_orig_functions.orig_filegroup = PHAR_G(orig_filegroup); phar_orig_functions.orig_fileatime = PHAR_G(orig_fileatime); phar_orig_functions.orig_filemtime = PHAR_G(orig_filemtime); phar_orig_functions.orig_filectime = PHAR_G(orig_filectime); phar_orig_functions.orig_filetype = PHAR_G(orig_filetype); phar_orig_functions.orig_is_writable = PHAR_G(orig_is_writable); phar_orig_functions.orig_is_readable = PHAR_G(orig_is_readable); phar_orig_functions.orig_is_executable = PHAR_G(orig_is_executable); phar_orig_functions.orig_lstat = PHAR_G(orig_lstat); phar_orig_functions.orig_readfile = PHAR_G(orig_readfile); phar_orig_functions.orig_stat = PHAR_G(orig_stat); } /* }}} */ void phar_restore_orig_functions(TSRMLS_D) /* {{{ */ { PHAR_G(orig_fopen) = phar_orig_functions.orig_fopen; PHAR_G(orig_file_get_contents) = phar_orig_functions.orig_file_get_contents; PHAR_G(orig_is_file) = phar_orig_functions.orig_is_file; PHAR_G(orig_is_link) = phar_orig_functions.orig_is_link; PHAR_G(orig_is_dir) = phar_orig_functions.orig_is_dir; PHAR_G(orig_opendir) = phar_orig_functions.orig_opendir; PHAR_G(orig_file_exists) = phar_orig_functions.orig_file_exists; PHAR_G(orig_fileperms) = phar_orig_functions.orig_fileperms; PHAR_G(orig_fileinode) = phar_orig_functions.orig_fileinode; PHAR_G(orig_filesize) = phar_orig_functions.orig_filesize; PHAR_G(orig_fileowner) = phar_orig_functions.orig_fileowner; PHAR_G(orig_filegroup) = phar_orig_functions.orig_filegroup; PHAR_G(orig_fileatime) = phar_orig_functions.orig_fileatime; PHAR_G(orig_filemtime) = phar_orig_functions.orig_filemtime; PHAR_G(orig_filectime) = phar_orig_functions.orig_filectime; PHAR_G(orig_filetype) = phar_orig_functions.orig_filetype; PHAR_G(orig_is_writable) = phar_orig_functions.orig_is_writable; PHAR_G(orig_is_readable) = phar_orig_functions.orig_is_readable; PHAR_G(orig_is_executable) = phar_orig_functions.orig_is_executable; PHAR_G(orig_lstat) = phar_orig_functions.orig_lstat; PHAR_G(orig_readfile) = phar_orig_functions.orig_readfile; PHAR_G(orig_stat) = phar_orig_functions.orig_stat; } /* }}} */ /* * 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 */