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phar_object.c
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/*
+----------------------------------------------------------------------+
| phar php single-file executable PHP extension |
+----------------------------------------------------------------------+
| Copyright (c) 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: |
| https://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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Gregory Beaver <[email protected]> |
| Marcus Boerger <[email protected]> |
+----------------------------------------------------------------------+
*/
#include "phar_internal.h"
#include "func_interceptors.h"
#include "phar_object_arginfo.h"
#include "ext/spl/spl_array.h"
#include "ext/spl/spl_exceptions.h"
#include "ext/spl/spl_iterators.h"
#include "ext/standard/php_var.h"
#include "main/SAPI.h"
#include "zend_exceptions.h"
#include "zend_interfaces.h"
#include "zend_exceptions.h"
static zend_class_entry *phar_ce_archive;
static zend_class_entry *phar_ce_data;
static zend_class_entry *phar_ce_PharException;
static zend_class_entry *phar_ce_entry;
static int phar_file_type(HashTable *mimes, char *file, char **mime_type) /* {{{ */
{
char *ext;
phar_mime_type *mime;
ext = strrchr(file, '.');
if (!ext) {
*mime_type = "text/plain";
/* no file extension = assume text/plain */
return PHAR_MIME_OTHER;
}
++ext;
if (NULL == (mime = zend_hash_str_find_ptr(mimes, ext, strlen(ext)))) {
*mime_type = "application/octet-stream";
return PHAR_MIME_OTHER;
}
*mime_type = mime->mime;
return mime->type;
}
/* }}} */
static void phar_mung_server_vars(char *fname, char *entry, size_t entry_len, char *basename, size_t request_uri_len) /* {{{ */
{
HashTable *_SERVER;
zval *stuff;
char *path_info;
size_t basename_len = strlen(basename);
size_t code;
zval temp;
/* "tweak" $_SERVER variables requested in earlier call to Phar::mungServer() */
if (Z_TYPE(PG(http_globals)[TRACK_VARS_SERVER]) == IS_UNDEF) {
return;
}
_SERVER = Z_ARRVAL(PG(http_globals)[TRACK_VARS_SERVER]);
/* PATH_INFO and PATH_TRANSLATED should always be munged */
if (NULL != (stuff = zend_hash_str_find(_SERVER, "PATH_INFO", sizeof("PATH_INFO")-1))) {
path_info = Z_STRVAL_P(stuff);
code = Z_STRLEN_P(stuff);
if (code > (size_t)entry_len && !memcmp(path_info, entry, entry_len)) {
ZVAL_STR(&temp, Z_STR_P(stuff));
ZVAL_STRINGL(stuff, path_info + entry_len, request_uri_len);
zend_hash_str_update(_SERVER, "PHAR_PATH_INFO", sizeof("PHAR_PATH_INFO")-1, &temp);
}
}
if (NULL != (stuff = zend_hash_str_find(_SERVER, "PATH_TRANSLATED", sizeof("PATH_TRANSLATED")-1))) {
zend_string *str = strpprintf(4096, "phar://%s%s", fname, entry);
ZVAL_STR(&temp, Z_STR_P(stuff));
ZVAL_NEW_STR(stuff, str);
zend_hash_str_update(_SERVER, "PHAR_PATH_TRANSLATED", sizeof("PHAR_PATH_TRANSLATED")-1, &temp);
}
if (!PHAR_G(phar_SERVER_mung_list)) {
return;
}
if (PHAR_G(phar_SERVER_mung_list) & PHAR_MUNG_REQUEST_URI) {
if (NULL != (stuff = zend_hash_str_find(_SERVER, "REQUEST_URI", sizeof("REQUEST_URI")-1))) {
path_info = Z_STRVAL_P(stuff);
code = Z_STRLEN_P(stuff);
if (code > basename_len && !memcmp(path_info, basename, basename_len)) {
ZVAL_STR(&temp, Z_STR_P(stuff));
ZVAL_STRINGL(stuff, path_info + basename_len, code - basename_len);
zend_hash_str_update(_SERVER, "PHAR_REQUEST_URI", sizeof("PHAR_REQUEST_URI")-1, &temp);
}
}
}
if (PHAR_G(phar_SERVER_mung_list) & PHAR_MUNG_PHP_SELF) {
if (NULL != (stuff = zend_hash_str_find(_SERVER, "PHP_SELF", sizeof("PHP_SELF")-1))) {
path_info = Z_STRVAL_P(stuff);
code = Z_STRLEN_P(stuff);
if (code > basename_len && !memcmp(path_info, basename, basename_len)) {
ZVAL_STR(&temp, Z_STR_P(stuff));
ZVAL_STRINGL(stuff, path_info + basename_len, code - basename_len);
zend_hash_str_update(_SERVER, "PHAR_PHP_SELF", sizeof("PHAR_PHP_SELF")-1, &temp);
}
}
}
if (PHAR_G(phar_SERVER_mung_list) & PHAR_MUNG_SCRIPT_NAME) {
if (NULL != (stuff = zend_hash_str_find(_SERVER, "SCRIPT_NAME", sizeof("SCRIPT_NAME")-1))) {
ZVAL_STR(&temp, Z_STR_P(stuff));
ZVAL_STRINGL(stuff, entry, entry_len);
zend_hash_str_update(_SERVER, "PHAR_SCRIPT_NAME", sizeof("PHAR_SCRIPT_NAME")-1, &temp);
}
}
if (PHAR_G(phar_SERVER_mung_list) & PHAR_MUNG_SCRIPT_FILENAME) {
if (NULL != (stuff = zend_hash_str_find(_SERVER, "SCRIPT_FILENAME", sizeof("SCRIPT_FILENAME")-1))) {
zend_string *str = strpprintf(4096, "phar://%s%s", fname, entry);
ZVAL_STR(&temp, Z_STR_P(stuff));
ZVAL_NEW_STR(stuff, str);
zend_hash_str_update(_SERVER, "PHAR_SCRIPT_FILENAME", sizeof("PHAR_SCRIPT_FILENAME")-1, &temp);
}
}
}
/* }}} */
static int phar_file_action(phar_archive_data *phar, phar_entry_info *info, char *mime_type, int code, char *entry, size_t entry_len, char *arch, char *basename, char *ru, size_t ru_len) /* {{{ */
{
char *name = NULL, buf[8192];
const char *cwd;
zend_syntax_highlighter_ini syntax_highlighter_ini;
sapi_header_line ctr = {0};
size_t got;
zval dummy;
size_t name_len;
zend_file_handle file_handle;
zend_op_array *new_op_array;
zval result;
php_stream *fp;
zend_off_t position;
switch (code) {
case PHAR_MIME_PHPS:
efree(basename);
/* highlight source */
if (entry[0] == '/') {
spprintf(&name, 4096, "phar://%s%s", arch, entry);
} else {
spprintf(&name, 4096, "phar://%s/%s", arch, entry);
}
php_get_highlight_struct(&syntax_highlighter_ini);
highlight_file(name, &syntax_highlighter_ini);
efree(name);
#ifdef PHP_WIN32
efree(arch);
#endif
zend_bailout();
case PHAR_MIME_OTHER:
/* send headers, output file contents */
efree(basename);
ctr.line_len = spprintf((char **) &(ctr.line), 0, "Content-type: %s", mime_type);
sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
efree((void *) ctr.line);
ctr.line_len = spprintf((char **) &(ctr.line), 0, "Content-length: %u", info->uncompressed_filesize);
sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
efree((void *) ctr.line);
if (FAILURE == sapi_send_headers()) {
zend_bailout();
}
/* prepare to output */
fp = phar_get_efp(info, 1);
if (!fp) {
char *error;
if (!phar_open_jit(phar, info, &error)) {
if (error) {
zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
efree(error);
}
return -1;
}
fp = phar_get_efp(info, 1);
}
position = 0;
phar_seek_efp(info, 0, SEEK_SET, 0, 1);
do {
got = php_stream_read(fp, buf, MIN(8192, info->uncompressed_filesize - position));
if (got > 0) {
PHPWRITE(buf, got);
position += got;
if (position == (zend_off_t) info->uncompressed_filesize) {
break;
}
}
} while (1);
zend_bailout();
case PHAR_MIME_PHP:
if (basename) {
phar_mung_server_vars(arch, entry, entry_len, basename, ru_len);
efree(basename);
}
if (entry[0] == '/') {
name_len = spprintf(&name, 4096, "phar://%s%s", arch, entry);
} else {
name_len = spprintf(&name, 4096, "phar://%s/%s", arch, entry);
}
zend_stream_init_filename(&file_handle, name);
PHAR_G(cwd) = NULL;
PHAR_G(cwd_len) = 0;
ZVAL_NULL(&dummy);
if (zend_hash_str_add(&EG(included_files), name, name_len, &dummy) != NULL) {
if ((cwd = zend_memrchr(entry, '/', entry_len))) {
PHAR_G(cwd_init) = 1;
if (entry == cwd) {
/* root directory */
PHAR_G(cwd_len) = 0;
PHAR_G(cwd) = NULL;
} else if (entry[0] == '/') {
PHAR_G(cwd_len) = (cwd - (entry + 1));
PHAR_G(cwd) = estrndup(entry + 1, PHAR_G(cwd_len));
} else {
PHAR_G(cwd_len) = (cwd - entry);
PHAR_G(cwd) = estrndup(entry, PHAR_G(cwd_len));
}
}
new_op_array = zend_compile_file(&file_handle, ZEND_REQUIRE);
if (!new_op_array) {
zend_hash_str_del(&EG(included_files), name, name_len);
}
} else {
efree(name);
new_op_array = NULL;
}
zend_destroy_file_handle(&file_handle);
#ifdef PHP_WIN32
efree(arch);
#endif
if (new_op_array) {
ZVAL_UNDEF(&result);
zend_try {
zend_execute(new_op_array, &result);
if (PHAR_G(cwd)) {
efree(PHAR_G(cwd));
PHAR_G(cwd) = NULL;
PHAR_G(cwd_len) = 0;
}
PHAR_G(cwd_init) = 0;
efree(name);
destroy_op_array(new_op_array);
efree(new_op_array);
zval_ptr_dtor(&result);
} zend_catch {
if (PHAR_G(cwd)) {
efree(PHAR_G(cwd));
PHAR_G(cwd) = NULL;
PHAR_G(cwd_len) = 0;
}
PHAR_G(cwd_init) = 0;
efree(name);
} zend_end_try();
zend_bailout();
}
return PHAR_MIME_PHP;
}
return -1;
}
/* }}} */
static void phar_do_403(char *entry, size_t entry_len) /* {{{ */
{
sapi_header_line ctr = {0};
ctr.response_code = 403;
ctr.line_len = sizeof("HTTP/1.0 403 Access Denied")-1;
ctr.line = "HTTP/1.0 403 Access Denied";
sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
sapi_send_headers();
PHPWRITE("<html>\n <head>\n <title>Access Denied</title>\n </head>\n <body>\n <h1>403 - File ", sizeof("<html>\n <head>\n <title>Access Denied</title>\n </head>\n <body>\n <h1>403 - File ") - 1);
PHPWRITE("Access Denied</h1>\n </body>\n</html>", sizeof("Access Denied</h1>\n </body>\n</html>") - 1);
}
/* }}} */
static void phar_do_404(phar_archive_data *phar, char *fname, size_t fname_len, char *f404, size_t f404_len, char *entry, size_t entry_len) /* {{{ */
{
sapi_header_line ctr = {0};
phar_entry_info *info;
if (phar && f404_len) {
info = phar_get_entry_info(phar, f404, f404_len, NULL, 1);
if (info) {
phar_file_action(phar, info, "text/html", PHAR_MIME_PHP, f404, f404_len, fname, NULL, NULL, 0);
return;
}
}
ctr.response_code = 404;
ctr.line_len = sizeof("HTTP/1.0 404 Not Found")-1;
ctr.line = "HTTP/1.0 404 Not Found";
sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
sapi_send_headers();
PHPWRITE("<html>\n <head>\n <title>File Not Found</title>\n </head>\n <body>\n <h1>404 - File ", sizeof("<html>\n <head>\n <title>File Not Found</title>\n </head>\n <body>\n <h1>404 - File ") - 1);
PHPWRITE("Not Found</h1>\n </body>\n</html>", sizeof("Not Found</h1>\n </body>\n</html>") - 1);
}
/* }}} */
/* post-process REQUEST_URI and retrieve the actual request URI. This is for
cases like http://localhost/blah.phar/path/to/file.php/extra/stuff
which calls "blah.phar" file "path/to/file.php" with PATH_INFO "/extra/stuff" */
static void phar_postprocess_ru_web(char *fname, size_t fname_len, char **entry, size_t *entry_len, char **ru, size_t *ru_len) /* {{{ */
{
char *e = *entry + 1, *u = NULL, *u1 = NULL, *saveu = NULL;
size_t e_len = *entry_len - 1, u_len = 0;
phar_archive_data *pphar;
/* we already know we can retrieve the phar if we reach here */
pphar = zend_hash_str_find_ptr(&(PHAR_G(phar_fname_map)), fname, fname_len);
if (!pphar && PHAR_G(manifest_cached)) {
pphar = zend_hash_str_find_ptr(&cached_phars, fname, fname_len);
}
do {
if (zend_hash_str_exists(&(pphar->manifest), e, e_len)) {
if (u) {
u[0] = '/';
*ru = estrndup(u, u_len+1);
++u_len;
u[0] = '\0';
} else {
*ru = NULL;
}
*ru_len = u_len;
*entry_len = e_len + 1;
return;
}
if (u) {
u1 = strrchr(e, '/');
u[0] = '/';
saveu = u;
e_len += u_len + 1;
u = u1;
if (!u) {
return;
}
} else {
u = strrchr(e, '/');
if (!u) {
if (saveu) {
saveu[0] = '/';
}
return;
}
}
u[0] = '\0';
u_len = strlen(u + 1);
e_len -= u_len + 1;
} while (1);
}
/* }}} */
/* {{{ return the name of the currently running phar archive. If the optional parameter
* is set to true, return the phar:// URL to the currently running phar
*/
PHP_METHOD(Phar, running)
{
zend_string *fname;
char *arch, *entry;
size_t arch_len, entry_len;
bool retphar = 1;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|b", &retphar) == FAILURE) {
RETURN_THROWS();
}
fname = zend_get_executed_filename_ex();
if (!fname) {
RETURN_EMPTY_STRING();
}
if (
zend_string_starts_with_literal_ci(fname, "phar://")
&& SUCCESS == phar_split_fname(ZSTR_VAL(fname), ZSTR_LEN(fname), &arch, &arch_len, &entry, &entry_len, 2, 0)
) {
efree(entry);
if (retphar) {
RETVAL_STRINGL(ZSTR_VAL(fname), arch_len + 7);
efree(arch);
return;
} else {
// TODO: avoid reallocation ???
RETVAL_STRINGL(arch, arch_len);
efree(arch);
return;
}
}
RETURN_EMPTY_STRING();
}
/* }}} */
/* {{{ mount an external file or path to a location within the phar. This maps
* an external file or directory to a location within the phar archive, allowing
* reference to an external location as if it were within the phar archive. This
* is useful for writable temp files like databases
*/
PHP_METHOD(Phar, mount)
{
char *fname, *arch = NULL, *entry = NULL, *path, *actual;
size_t fname_len, arch_len, entry_len;
size_t path_len, actual_len;
phar_archive_data *pphar;
#ifdef PHP_WIN32
char *save_fname;
ALLOCA_FLAG(fname_use_heap)
#endif
if (zend_parse_parameters(ZEND_NUM_ARGS(), "pp", &path, &path_len, &actual, &actual_len) == FAILURE) {
RETURN_THROWS();
}
zend_string *zend_file_name = zend_get_executed_filename_ex();
if (UNEXPECTED(!zend_file_name)) {
fname = "";
fname_len = 0;
} else {
fname = ZSTR_VAL(zend_file_name);
fname_len = ZSTR_LEN(zend_file_name);
}
#ifdef PHP_WIN32
save_fname = fname;
if (memchr(fname, '\\', fname_len)) {
fname = do_alloca(fname_len + 1, fname_use_heap);
memcpy(fname, save_fname, fname_len);
fname[fname_len] = '\0';
phar_unixify_path_separators(fname, fname_len);
}
#endif
if (fname_len > 7 && !memcmp(fname, "phar://", 7) && SUCCESS == phar_split_fname(fname, fname_len, &arch, &arch_len, &entry, &entry_len, 2, 0)) {
efree(entry);
entry = NULL;
if (path_len > 7 && !memcmp(path, "phar://", 7)) {
zend_throw_exception_ex(phar_ce_PharException, 0, "Can only mount internal paths within a phar archive, use a relative path instead of \"%s\"", path);
efree(arch);
goto finish;
}
carry_on2:
if (NULL == (pphar = zend_hash_str_find_ptr(&(PHAR_G(phar_fname_map)), arch, arch_len))) {
if (PHAR_G(manifest_cached) && NULL != (pphar = zend_hash_str_find_ptr(&cached_phars, arch, arch_len))) {
if (SUCCESS == phar_copy_on_write(&pphar)) {
goto carry_on;
}
}
zend_throw_exception_ex(phar_ce_PharException, 0, "%s is not a phar archive, cannot mount", arch);
if (arch) {
efree(arch);
}
goto finish;
}
carry_on:
if (SUCCESS != phar_mount_entry(pphar, actual, actual_len, path, path_len)) {
zend_throw_exception_ex(phar_ce_PharException, 0, "Mounting of %s to %s within phar %s failed", path, actual, arch);
}
if (entry && path == entry) {
efree(entry);
}
if (arch) {
efree(arch);
}
goto finish;
} else if (HT_IS_INITIALIZED(&PHAR_G(phar_fname_map)) && NULL != (pphar = zend_hash_str_find_ptr(&(PHAR_G(phar_fname_map)), fname, fname_len))) {
goto carry_on;
} else if (PHAR_G(manifest_cached) && NULL != (pphar = zend_hash_str_find_ptr(&cached_phars, fname, fname_len))) {
if (SUCCESS == phar_copy_on_write(&pphar)) {
goto carry_on;
}
goto carry_on;
} else if (SUCCESS == phar_split_fname(path, path_len, &arch, &arch_len, &entry, &entry_len, 2, 0)) {
path = entry;
path_len = entry_len;
goto carry_on2;
}
zend_throw_exception_ex(phar_ce_PharException, 0, "Mounting of %s to %s failed", path, actual);
finish: ;
#ifdef PHP_WIN32
if (fname != save_fname) {
free_alloca(fname, fname_use_heap);
fname = save_fname;
}
#endif
}
/* }}} */
/* {{{ mapPhar for web-based phars. Reads the currently executed file (a phar)
* and registers its manifest. When executed in the CLI or CGI command-line sapi,
* this works exactly like mapPhar(). When executed by a web-based sapi, this
* reads $_SERVER['REQUEST_URI'] (the actual original value) and parses out the
* intended internal file.
*/
PHP_METHOD(Phar, webPhar)
{
zval *mimeoverride = NULL;
zend_fcall_info rewrite_fci = {0};
zend_fcall_info_cache rewrite_fcc;
char *alias = NULL, *error, *index_php = NULL, *f404 = NULL, *ru = NULL;
size_t alias_len = 0, f404_len = 0, free_pathinfo = 0;
size_t ru_len = 0;
char *fname, *path_info, *mime_type = NULL, *entry, *pt;
const char *basename;
size_t fname_len, index_php_len = 0;
size_t entry_len;
int code, not_cgi;
phar_archive_data *phar = NULL;
phar_entry_info *info = NULL;
size_t sapi_mod_name_len = strlen(sapi_module.name);
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|s!s!s!af!", &alias, &alias_len, &index_php, &index_php_len, &f404, &f404_len, &mimeoverride, &rewrite_fci, &rewrite_fcc) == FAILURE) {
RETURN_THROWS();
}
phar_request_initialize();
if (phar_open_executed_filename(alias, alias_len, &error) != SUCCESS) {
if (error) {
zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
efree(error);
}
return;
}
/* retrieve requested file within phar */
if (!(SG(request_info).request_method
&& SG(request_info).request_uri
&& (!strcmp(SG(request_info).request_method, "GET")
|| !strcmp(SG(request_info).request_method, "POST")
|| !strcmp(SG(request_info).request_method, "DELETE")
|| !strcmp(SG(request_info).request_method, "HEAD")
|| !strcmp(SG(request_info).request_method, "OPTIONS")
|| !strcmp(SG(request_info).request_method, "PATCH")
|| !strcmp(SG(request_info).request_method, "PUT")
)
)
) {
return;
}
zend_string *zend_file_name = zend_get_executed_filename_ex();
if (UNEXPECTED(!zend_file_name)) {
return;
}
fname = ZSTR_VAL(zend_file_name);
fname_len = ZSTR_LEN(zend_file_name);
#ifdef PHP_WIN32
if (memchr(fname, '\\', fname_len)) {
fname = estrndup(fname, fname_len);
phar_unixify_path_separators(fname, fname_len);
}
#endif
basename = zend_memrchr(fname, '/', fname_len);
if (!basename) {
basename = fname;
} else {
++basename;
}
if ((sapi_mod_name_len == sizeof("cgi-fcgi") - 1 && !strncmp(sapi_module.name, "cgi-fcgi", sizeof("cgi-fcgi") - 1))
|| (sapi_mod_name_len == sizeof("fpm-fcgi") - 1 && !strncmp(sapi_module.name, "fpm-fcgi", sizeof("fpm-fcgi") - 1))
|| (sapi_mod_name_len == sizeof("cgi") - 1 && !strncmp(sapi_module.name, "cgi", sizeof("cgi") - 1))
|| (sapi_mod_name_len == sizeof("litespeed") - 1 && !strncmp(sapi_module.name, "litespeed", sizeof("litespeed") - 1))) {
if (Z_TYPE(PG(http_globals)[TRACK_VARS_SERVER]) != IS_UNDEF) {
HashTable *_server = Z_ARRVAL(PG(http_globals)[TRACK_VARS_SERVER]);
zval *z_script_name, *z_path_info;
if (NULL == (z_script_name = zend_hash_str_find(_server, "SCRIPT_NAME", sizeof("SCRIPT_NAME")-1)) ||
IS_STRING != Z_TYPE_P(z_script_name) ||
!strstr(Z_STRVAL_P(z_script_name), basename)) {
goto finish;
}
if (NULL != (z_path_info = zend_hash_str_find(_server, "PATH_INFO", sizeof("PATH_INFO")-1)) &&
IS_STRING == Z_TYPE_P(z_path_info)) {
entry_len = Z_STRLEN_P(z_path_info);
entry = estrndup(Z_STRVAL_P(z_path_info), entry_len);
path_info = emalloc(Z_STRLEN_P(z_script_name) + entry_len + 1);
memcpy(path_info, Z_STRVAL_P(z_script_name), Z_STRLEN_P(z_script_name));
memcpy(path_info + Z_STRLEN_P(z_script_name), entry, entry_len + 1);
free_pathinfo = 1;
} else {
entry_len = 0;
entry = estrndup("", 0);
path_info = Z_STRVAL_P(z_script_name);
}
pt = estrndup(Z_STRVAL_P(z_script_name), Z_STRLEN_P(z_script_name));
} else {
char *testit;
testit = sapi_getenv("SCRIPT_NAME", sizeof("SCRIPT_NAME")-1);
if (!(pt = strstr(testit, basename))) {
efree(testit);
goto finish;
}
path_info = sapi_getenv("PATH_INFO", sizeof("PATH_INFO")-1);
if (path_info) {
entry = path_info;
entry_len = strlen(entry);
spprintf(&path_info, 0, "%s%s", testit, path_info);
free_pathinfo = 1;
} else {
path_info = testit;
free_pathinfo = 1;
entry = estrndup("", 0);
entry_len = 0;
}
pt = estrndup(testit, (pt - testit) + (fname_len - (basename - fname)));
}
not_cgi = 0;
} else {
path_info = SG(request_info).request_uri;
if (!(pt = strstr(path_info, basename))) {
/* this can happen with rewrite rules - and we have no idea what to do then, so return */
goto finish;
}
entry_len = strlen(path_info);
entry_len -= (pt - path_info) + (fname_len - (basename - fname));
entry = estrndup(pt + (fname_len - (basename - fname)), entry_len);
pt = estrndup(path_info, (pt - path_info) + (fname_len - (basename - fname)));
not_cgi = 1;
}
if (ZEND_FCI_INITIALIZED(rewrite_fci)) {
zval params, retval;
ZVAL_STRINGL(¶ms, entry, entry_len);
rewrite_fci.param_count = 1;
rewrite_fci.params = ¶ms;
rewrite_fci.retval = &retval;
if (FAILURE == zend_call_function(&rewrite_fci, &rewrite_fcc)) {
if (!EG(exception)) {
zend_throw_exception_ex(phar_ce_PharException, 0, "phar error: failed to call rewrite callback");
}
goto cleanup_fail;
}
if (Z_TYPE_P(rewrite_fci.retval) == IS_UNDEF || Z_TYPE(retval) == IS_UNDEF) {
zend_throw_exception_ex(phar_ce_PharException, 0, "phar error: rewrite callback must return a string or false");
goto cleanup_fail;
}
switch (Z_TYPE(retval)) {
case IS_STRING:
efree(entry);
entry = estrndup(Z_STRVAL_P(rewrite_fci.retval), Z_STRLEN_P(rewrite_fci.retval));
entry_len = Z_STRLEN_P(rewrite_fci.retval);
break;
case IS_TRUE:
case IS_FALSE:
phar_do_403(entry, entry_len);
if (free_pathinfo) {
efree(path_info);
}
efree(pt);
zend_bailout();
default:
zend_throw_exception_ex(phar_ce_PharException, 0, "phar error: rewrite callback must return a string or false");
cleanup_fail:
zval_ptr_dtor(¶ms);
if (free_pathinfo) {
efree(path_info);
}
efree(entry);
efree(pt);
#ifdef PHP_WIN32
efree(fname);
#endif
RETURN_THROWS();
}
}
if (entry_len) {
phar_postprocess_ru_web(fname, fname_len, &entry, &entry_len, &ru, &ru_len);
}
if (!entry_len || (entry_len == 1 && entry[0] == '/')) {
efree(entry);
/* direct request */
if (index_php_len) {
entry = index_php;
entry_len = index_php_len;
if (entry[0] != '/') {
spprintf(&entry, 0, "/%s", index_php);
++entry_len;
}
} else {
/* assume "index.php" is starting point */
entry = estrndup("/index.php", sizeof("/index.php"));
entry_len = sizeof("/index.php")-1;
}
if (FAILURE == phar_get_archive(&phar, fname, fname_len, NULL, 0, NULL) ||
(info = phar_get_entry_info(phar, entry, entry_len, NULL, 0)) == NULL) {
phar_do_404(phar, fname, fname_len, f404, f404_len, entry, entry_len);
if (free_pathinfo) {
efree(path_info);
}
zend_bailout();
} else {
char *tmp = NULL, sa = '\0';
sapi_header_line ctr = {0};
ctr.response_code = 301;
ctr.line_len = sizeof("HTTP/1.1 301 Moved Permanently")-1;
ctr.line = "HTTP/1.1 301 Moved Permanently";
sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
if (not_cgi) {
tmp = strstr(path_info, basename) + fname_len;
sa = *tmp;
*tmp = '\0';
}
ctr.response_code = 0;
if (path_info[strlen(path_info)-1] == '/') {
ctr.line_len = spprintf((char **) &(ctr.line), 4096, "Location: %s%s", path_info, entry + 1);
} else {
ctr.line_len = spprintf((char **) &(ctr.line), 4096, "Location: %s%s", path_info, entry);
}
if (not_cgi) {
*tmp = sa;
}
if (free_pathinfo) {
efree(path_info);
}
sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
sapi_send_headers();
efree((void *) ctr.line);
zend_bailout();
}
}
if (FAILURE == phar_get_archive(&phar, fname, fname_len, NULL, 0, NULL) ||
(info = phar_get_entry_info(phar, entry, entry_len, NULL, 0)) == NULL) {
phar_do_404(phar, fname, fname_len, f404, f404_len, entry, entry_len);
zend_bailout();
}
if (mimeoverride && zend_hash_num_elements(Z_ARRVAL_P(mimeoverride))) {
const char *ext = zend_memrchr(entry, '.', entry_len);
zval *val;
if (ext) {
++ext;
if (NULL != (val = zend_hash_str_find(Z_ARRVAL_P(mimeoverride), ext, strlen(ext)))) {
switch (Z_TYPE_P(val)) {
case IS_LONG:
if (Z_LVAL_P(val) == PHAR_MIME_PHP || Z_LVAL_P(val) == PHAR_MIME_PHPS) {
mime_type = "";
code = Z_LVAL_P(val);
} else {
zend_throw_exception_ex(phar_ce_PharException, 0, "Unknown mime type specifier used, only Phar::PHP, Phar::PHPS and a mime type string are allowed");
if (free_pathinfo) {
efree(path_info);
}
efree(pt);
efree(entry);
#ifdef PHP_WIN32
efree(fname);
#endif
RETURN_THROWS();
}
break;
case IS_STRING:
mime_type = Z_STRVAL_P(val);
code = PHAR_MIME_OTHER;
break;
default:
zend_throw_exception_ex(phar_ce_PharException, 0, "Unknown mime type specifier used (not a string or int), only Phar::PHP, Phar::PHPS and a mime type string are allowed");
if (free_pathinfo) {
efree(path_info);
}
efree(pt);
efree(entry);
#ifdef PHP_WIN32
efree(fname);
#endif
RETURN_THROWS();
}
}
}
}
if (!mime_type) {
code = phar_file_type(&PHAR_G(mime_types), entry, &mime_type);
}
phar_file_action(phar, info, mime_type, code, entry, entry_len, fname, pt, ru, ru_len);
finish: ;
#ifdef PHP_WIN32
efree(fname);
#endif
}
/* }}} */
/* {{{ Defines a list of up to 4 $_SERVER variables that should be modified for execution
* to mask the presence of the phar archive. This should be used in conjunction with
* Phar::webPhar(), and has no effect otherwise
* SCRIPT_NAME, PHP_SELF, REQUEST_URI and SCRIPT_FILENAME
*/
PHP_METHOD(Phar, mungServer)
{
zval *mungvalues, *data;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &mungvalues) == FAILURE) {
RETURN_THROWS();
}
if (!zend_hash_num_elements(Z_ARRVAL_P(mungvalues))) {
zend_throw_exception_ex(phar_ce_PharException, 0, "No values passed to Phar::mungServer(), expecting an array of any of these strings: PHP_SELF, REQUEST_URI, SCRIPT_FILENAME, SCRIPT_NAME");
RETURN_THROWS();
}
if (zend_hash_num_elements(Z_ARRVAL_P(mungvalues)) > 4) {
zend_throw_exception_ex(phar_ce_PharException, 0, "Too many values passed to Phar::mungServer(), expecting an array of any of these strings: PHP_SELF, REQUEST_URI, SCRIPT_FILENAME, SCRIPT_NAME");
RETURN_THROWS();
}
phar_request_initialize();
ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(mungvalues), data) {
if (Z_TYPE_P(data) != IS_STRING) {
zend_throw_exception_ex(phar_ce_PharException, 0, "Non-string value passed to Phar::mungServer(), expecting an array of any of these strings: PHP_SELF, REQUEST_URI, SCRIPT_FILENAME, SCRIPT_NAME");
RETURN_THROWS();
}
if (zend_string_equals_literal(Z_STR_P(data), "PHP_SELF")) {
PHAR_G(phar_SERVER_mung_list) |= PHAR_MUNG_PHP_SELF;
} else if (zend_string_equals_literal(Z_STR_P(data), "REQUEST_URI")) {
PHAR_G(phar_SERVER_mung_list) |= PHAR_MUNG_REQUEST_URI;
} else if (zend_string_equals_literal(Z_STR_P(data), "SCRIPT_NAME")) {
PHAR_G(phar_SERVER_mung_list) |= PHAR_MUNG_SCRIPT_NAME;
} else if (zend_string_equals_literal(Z_STR_P(data), "SCRIPT_FILENAME")) {
PHAR_G(phar_SERVER_mung_list) |= PHAR_MUNG_SCRIPT_FILENAME;
}
// TODO Warning for invalid value?
} ZEND_HASH_FOREACH_END();
}
/* }}} */
/* {{{ instructs phar to intercept fopen, file_get_contents, opendir, and all of the stat-related functions
* and return stat on files within the phar for relative paths
*
* Once called, this cannot be reversed, and continue until the end of the request.
*
* This allows legacy scripts to be pharred unmodified
*/
PHP_METHOD(Phar, interceptFileFuncs)
{
if (zend_parse_parameters_none() == FAILURE) {
RETURN_THROWS();
}
phar_intercept_functions();
}
/* }}} */
/* {{{ Return a stub that can be used to run a phar-based archive without the phar extension
* indexfile is the CLI startup filename, which defaults to "index.php", webindexfile
* is the web startup filename, and also defaults to "index.php"
*/
PHP_METHOD(Phar, createDefaultStub)
{
char *index = NULL, *webindex = NULL, *error;
zend_string *stub;
size_t index_len = 0, webindex_len = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|p!p!", &index, &index_len, &webindex, &webindex_len) == FAILURE) {
RETURN_THROWS();
}
stub = phar_create_default_stub(index, webindex, &error);
if (error) {
zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
efree(error);
RETURN_THROWS();
}
RETURN_NEW_STR(stub);
}
/* }}} */
/* {{{ Reads the currently executed file (a phar) and registers its manifest */
PHP_METHOD(Phar, mapPhar)
{
char *alias = NULL, *error;
size_t alias_len = 0;
zend_long dataoffset = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|s!l", &alias, &alias_len, &dataoffset) == FAILURE) {
RETURN_THROWS();
}
phar_request_initialize();
RETVAL_BOOL(phar_open_executed_filename(alias, alias_len, &error) == SUCCESS);
if (error) {
zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
efree(error);
}
} /* }}} */
/* {{{ Loads any phar archive with an alias */
PHP_METHOD(Phar, loadPhar)
{
char *fname, *alias = NULL, *error;
size_t fname_len, alias_len = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|s!", &fname, &fname_len, &alias, &alias_len) == FAILURE) {
RETURN_THROWS();
}
phar_request_initialize();
RETVAL_BOOL(phar_open_from_filename(fname, fname_len, alias, alias_len, REPORT_ERRORS, NULL, &error) == SUCCESS);
if (error) {
zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
efree(error);
}
} /* }}} */