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php-src/sapi/cli/php_cli_server.c
Ilija Tovilo ce527ed599
Merge branch 'PHP-8.1' into PHP-8.2 
* PHP-8.1:
  Fix cli server blocking on accept when using multiple workers
2022-10-20 13:04:25 +02:00

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/*
+----------------------------------------------------------------------+
| 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 |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Moriyoshi Koizumi <moriyoshi@php.net> |
| Xinchen Hui <laruence@php.net> |
+----------------------------------------------------------------------+
*/
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <assert.h>
#ifdef PHP_WIN32
# include <process.h>
# include <io.h>
# include "win32/time.h"
# include "win32/signal.h"
# include "win32/php_registry.h"
# include <sys/timeb.h>
#else
# include "php_config.h"
#endif
#ifdef __riscos__
#include <unixlib/local.h>
#endif
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <signal.h>
#include <locale.h>
#if HAVE_DLFCN_H
#include <dlfcn.h>
#endif
#include "SAPI.h"
#include "php.h"
#include "php_ini.h"
#include "php_main.h"
#include "php_globals.h"
#include "php_variables.h"
#include "zend_hash.h"
#include "zend_modules.h"
#include "fopen_wrappers.h"
#include "http_status_codes.h"
#include "zend_compile.h"
#include "zend_execute.h"
#include "zend_highlight.h"
#include "zend_exceptions.h"
#include "php_getopt.h"
#ifndef PHP_WIN32
# define php_select(m, r, w, e, t) select(m, r, w, e, t)
# define SOCK_EINVAL EINVAL
# define SOCK_EAGAIN EAGAIN
# define SOCK_EINTR EINTR
# define SOCK_EADDRINUSE EADDRINUSE
#else
# include "win32/select.h"
# define SOCK_EINVAL WSAEINVAL
# define SOCK_EAGAIN WSAEWOULDBLOCK
# define SOCK_EINTR WSAEINTR
# define SOCK_EADDRINUSE WSAEADDRINUSE
#endif
#include "ext/standard/file.h" /* for php_set_sock_blocking() :-( */
#include "zend_smart_str.h"
#include "ext/standard/html.h"
#include "ext/standard/url.h" /* for php_raw_url_decode() */
#include "ext/standard/php_string.h" /* for php_dirname() */
#include "ext/date/php_date.h" /* for php_format_date() */
#include "php_network.h"
#include "php_http_parser.h"
#include "php_cli_server.h"
#include "php_cli_server_arginfo.h"
#include "mime_type_map.h"
#include "php_cli_process_title.h"
#include "php_cli_process_title_arginfo.h"
#define OUTPUT_NOT_CHECKED -1
#define OUTPUT_IS_TTY 1
#define OUTPUT_NOT_TTY 0
#if HAVE_FORK
# include <sys/wait.h>
static pid_t php_cli_server_master;
static pid_t *php_cli_server_workers;
static zend_long php_cli_server_workers_max;
#endif
static zend_string* cli_concat_persistent_zstr_with_char(zend_string *old_str, const char *at, size_t length);
typedef struct php_cli_server_poller {
fd_set rfds, wfds;
struct {
fd_set rfds, wfds;
} active;
php_socket_t max_fd;
} php_cli_server_poller;
typedef struct php_cli_server_request {
enum php_http_method request_method;
int protocol_version;
zend_string *request_uri;
char *vpath;
size_t vpath_len;
char *path_translated;
size_t path_translated_len;
char *path_info;
size_t path_info_len;
char *query_string;
size_t query_string_len;
HashTable headers;
HashTable headers_original_case;
char *content;
size_t content_len;
const char *ext;
size_t ext_len;
zend_stat_t sb;
} php_cli_server_request;
typedef struct php_cli_server_chunk {
struct php_cli_server_chunk *next;
enum php_cli_server_chunk_type {
PHP_CLI_SERVER_CHUNK_HEAP,
PHP_CLI_SERVER_CHUNK_IMMORTAL
} type;
union {
struct { void *block; char *p; size_t len; } heap;
struct { const char *p; size_t len; } immortal;
} data;
} php_cli_server_chunk;
typedef struct php_cli_server_buffer {
php_cli_server_chunk *first;
php_cli_server_chunk *last;
} php_cli_server_buffer;
typedef struct php_cli_server_content_sender {
php_cli_server_buffer buffer;
} php_cli_server_content_sender;
typedef struct php_cli_server_client {
struct php_cli_server *server;
php_socket_t sock;
struct sockaddr *addr;
socklen_t addr_len;
zend_string *addr_str;
php_http_parser parser;
bool request_read;
zend_string *current_header_name;
zend_string *current_header_value;
enum { HEADER_NONE=0, HEADER_FIELD, HEADER_VALUE } last_header_element;
size_t post_read_offset;
php_cli_server_request request;
bool content_sender_initialized;
php_cli_server_content_sender content_sender;
int file_fd;
} php_cli_server_client;
typedef struct php_cli_server {
php_socket_t server_sock;
php_cli_server_poller poller;
int is_running;
char *host;
int port;
int address_family;
char *document_root;
size_t document_root_len;
char *router;
size_t router_len;
socklen_t socklen;
HashTable clients;
HashTable extension_mime_types;
} php_cli_server;
typedef struct php_cli_server_http_response_status_code_pair {
int code;
const char *str;
} php_cli_server_http_response_status_code_pair;
static php_cli_server_http_response_status_code_pair template_map[] = {
{ 400, "<h1>%s</h1><p>Your browser sent a request that this server could not understand.</p>" },
{ 404, "<h1>%s</h1><p>The requested resource <code class=\"url\">%s</code> was not found on this server.</p>" },
{ 405, "<h1>%s</h1><p>Requested method not allowed.</p>" },
{ 500, "<h1>%s</h1><p>The server is temporarily unavailable.</p>" },
{ 501, "<h1>%s</h1><p>Request method not supported.</p>" }
};
#define PHP_CLI_SERVER_LOG_PROCESS 1
#define PHP_CLI_SERVER_LOG_ERROR 2
#define PHP_CLI_SERVER_LOG_MESSAGE 3
static int php_cli_server_log_level = 3;
#if HAVE_UNISTD_H || defined(PHP_WIN32)
static int php_cli_output_is_tty = OUTPUT_NOT_CHECKED;
#endif
static const char php_cli_server_request_error_unexpected_eof[] = "Unexpected EOF";
static size_t php_cli_server_client_send_through(php_cli_server_client *client, const char *str, size_t str_len);
static php_cli_server_chunk *php_cli_server_chunk_heap_new_self_contained(size_t len);
static void php_cli_server_buffer_append(php_cli_server_buffer *buffer, php_cli_server_chunk *chunk);
static void php_cli_server_logf(int type, const char *format, ...);
static void php_cli_server_log_response(php_cli_server_client *client, int status, const char *message);
ZEND_DECLARE_MODULE_GLOBALS(cli_server)
/* {{{ static char php_cli_server_css[]
* copied from ext/standard/info.c
*/
static const char php_cli_server_css[] = "<style>\n" \
"body { background-color: #fcfcfc; color: #333333; margin: 0; padding:0; }\n" \
"h1 { font-size: 1.5em; font-weight: normal; background-color: #9999cc; min-height:2em; line-height:2em; border-bottom: 1px inset black; margin: 0; }\n" \
"h1, p { padding-left: 10px; }\n" \
"code.url { background-color: #eeeeee; font-family:monospace; padding:0 2px;}\n" \
"</style>\n";
/* }}} */
#ifdef PHP_WIN32
static bool php_cli_server_get_system_time(char *buf) {
struct _timeb system_time;
errno_t err;
if (buf == NULL) {
return false;
}
_ftime(&system_time);
err = ctime_s(buf, 52, &(system_time.time) );
if (err) {
return false;
}
return true;
}
#else
static bool php_cli_server_get_system_time(char *buf) {
struct timeval tv;
struct tm tm;
gettimeofday(&tv, NULL);
/* TODO: should be checked for NULL tm/return value */
php_localtime_r(&tv.tv_sec, &tm);
php_asctime_r(&tm, buf);
return true;
}
#endif
/* Destructor for php_cli_server_request->headers, this frees header value */
static void cli_header_value_dtor(zval *zv) /* {{{ */
{
zend_string_release_ex(Z_STR_P(zv), /* persistent */ true);
} /* }}} */
static char *get_last_error(void) /* {{{ */
{
return pestrdup(strerror(errno), 1);
} /* }}} */
static int status_comp(const void *a, const void *b) /* {{{ */
{
const http_response_status_code_pair *pa = (const http_response_status_code_pair *) a;
const http_response_status_code_pair *pb = (const http_response_status_code_pair *) b;
if (pa->code < pb->code) {
return -1;
} else if (pa->code > pb->code) {
return 1;
}
return 0;
} /* }}} */
static const char *get_status_string(int code) /* {{{ */
{
http_response_status_code_pair needle = {code, NULL},
*result = NULL;
result = bsearch(&needle, http_status_map, http_status_map_len, sizeof(needle), status_comp);
if (result) {
return result->str;
}
/* Returning NULL would require complicating append_http_status_line() to
* not segfault in that case, so let's just return a placeholder, since RFC
* 2616 requires a reason phrase. This is basically what a lot of other Web
* servers do in this case anyway. */
return "Unknown Status Code";
} /* }}} */
static const char *get_template_string(int code) /* {{{ */
{
size_t e = (sizeof(template_map) / sizeof(php_cli_server_http_response_status_code_pair));
size_t s = 0;
while (e != s) {
size_t c = MIN((e + s + 1) / 2, e - 1);
int d = template_map[c].code;
if (d > code) {
e = c;
} else if (d < code) {
s = c;
} else {
return template_map[c].str;
}
}
return NULL;
} /* }}} */
static void append_http_status_line(smart_str *buffer, int protocol_version, int response_code, bool persistent) /* {{{ */
{
if (!response_code) {
response_code = 200;
}
smart_str_appendl_ex(buffer, "HTTP", 4, persistent);
smart_str_appendc_ex(buffer, '/', persistent);
smart_str_append_long_ex(buffer, protocol_version / 100, persistent);
smart_str_appendc_ex(buffer, '.', persistent);
smart_str_append_long_ex(buffer, protocol_version % 100, persistent);
smart_str_appendc_ex(buffer, ' ', persistent);
smart_str_append_long_ex(buffer, response_code, persistent);
smart_str_appendc_ex(buffer, ' ', persistent);
smart_str_appends_ex(buffer, get_status_string(response_code), persistent);
smart_str_appendl_ex(buffer, "\r\n", 2, persistent);
} /* }}} */
static void append_essential_headers(smart_str* buffer, php_cli_server_client *client, bool persistent) /* {{{ */
{
zval *val;
struct timeval tv = {0};
if (NULL != (val = zend_hash_str_find(&client->request.headers, "host", sizeof("host")-1))) {
smart_str_appends_ex(buffer, "Host: ", persistent);
smart_str_append_ex(buffer, Z_STR_P(val), persistent);
smart_str_appends_ex(buffer, "\r\n", persistent);
}
if (!gettimeofday(&tv, NULL)) {
zend_string *dt = php_format_date("D, d M Y H:i:s", sizeof("D, d M Y H:i:s") - 1, tv.tv_sec, 0);
smart_str_appends_ex(buffer, "Date: ", persistent);
smart_str_append_ex(buffer, dt, persistent);
smart_str_appends_ex(buffer, " GMT\r\n", persistent);
zend_string_release_ex(dt, 0);
}
smart_str_appendl_ex(buffer, "Connection: close\r\n", sizeof("Connection: close\r\n") - 1, persistent);
} /* }}} */
static const char *get_mime_type(const php_cli_server *server, const char *ext, size_t ext_len) /* {{{ */
{
char *ret;
ALLOCA_FLAG(use_heap)
char *ext_lower = do_alloca(ext_len + 1, use_heap);
zend_str_tolower_copy(ext_lower, ext, ext_len);
ret = zend_hash_str_find_ptr(&server->extension_mime_types, ext_lower, ext_len);
free_alloca(ext_lower, use_heap);
return (const char*)ret;
} /* }}} */
PHP_FUNCTION(apache_request_headers) /* {{{ */
{
php_cli_server_client *client;
if (zend_parse_parameters_none() == FAILURE) {
RETURN_THROWS();
}
client = SG(server_context);
/* Need to duplicate the header HashTable */
RETURN_ARR(zend_array_dup(&client->request.headers_original_case));
}
/* }}} */
static void add_response_header(sapi_header_struct *h, zval *return_value) /* {{{ */
{
char *s, *p;
ptrdiff_t len;
ALLOCA_FLAG(use_heap)
if (h->header_len > 0) {
p = strchr(h->header, ':');
len = p - h->header;
if (p && (len > 0)) {
while (len > 0 && (h->header[len-1] == ' ' || h->header[len-1] == '\t')) {
len--;
}
if (len) {
s = do_alloca(len + 1, use_heap);
memcpy(s, h->header, len);
s[len] = 0;
do {
p++;
} while (*p == ' ' || *p == '\t');
add_assoc_stringl_ex(return_value, s, (uint32_t)len, p, h->header_len - (p - h->header));
free_alloca(s, use_heap);
}
}
}
}
/* }}} */
PHP_FUNCTION(apache_response_headers) /* {{{ */
{
if (zend_parse_parameters_none() == FAILURE) {
RETURN_THROWS();
}
array_init(return_value);
zend_llist_apply_with_argument(&SG(sapi_headers).headers, (llist_apply_with_arg_func_t)add_response_header, return_value);
}
/* }}} */
/* {{{ cli_server module */
static void cli_server_init_globals(zend_cli_server_globals *cg)
{
cg->color = 0;
}
PHP_INI_BEGIN()
STD_PHP_INI_BOOLEAN("cli_server.color", "0", PHP_INI_ALL, OnUpdateBool, color, zend_cli_server_globals, cli_server_globals)
PHP_INI_END()
static PHP_MINIT_FUNCTION(cli_server)
{
ZEND_INIT_MODULE_GLOBALS(cli_server, cli_server_init_globals, NULL);
REGISTER_INI_ENTRIES();
return SUCCESS;
}
static PHP_MSHUTDOWN_FUNCTION(cli_server)
{
UNREGISTER_INI_ENTRIES();
return SUCCESS;
}
static PHP_MINFO_FUNCTION(cli_server)
{
DISPLAY_INI_ENTRIES();
}
zend_module_entry cli_server_module_entry = {
STANDARD_MODULE_HEADER,
"cli_server",
NULL,
PHP_MINIT(cli_server),
PHP_MSHUTDOWN(cli_server),
NULL,
NULL,
PHP_MINFO(cli_server),
PHP_VERSION,
STANDARD_MODULE_PROPERTIES
};
/* }}} */
const zend_function_entry server_additional_functions[] = {
PHP_FE(cli_set_process_title, arginfo_cli_set_process_title)
PHP_FE(cli_get_process_title, arginfo_cli_get_process_title)
PHP_FE(apache_request_headers, arginfo_apache_request_headers)
PHP_FE(apache_response_headers, arginfo_apache_response_headers)
PHP_FALIAS(getallheaders, apache_request_headers, arginfo_getallheaders)
PHP_FE_END
};
static int sapi_cli_server_startup(sapi_module_struct *sapi_module) /* {{{ */
{
return php_module_startup(sapi_module, &cli_server_module_entry);
} /* }}} */
static size_t sapi_cli_server_ub_write(const char *str, size_t str_length) /* {{{ */
{
php_cli_server_client *client = SG(server_context);
if (!client) {
return 0;
}
return php_cli_server_client_send_through(client, str, str_length);
} /* }}} */
static void sapi_cli_server_flush(void *server_context) /* {{{ */
{
php_cli_server_client *client = server_context;
if (!client) {
return;
}
if (!ZEND_VALID_SOCKET(client->sock)) {
php_handle_aborted_connection();
return;
}
if (!SG(headers_sent)) {
sapi_send_headers();
SG(headers_sent) = 1;
}
} /* }}} */
static int sapi_cli_server_discard_headers(sapi_headers_struct *sapi_headers) /* {{{ */{
return SAPI_HEADER_SENT_SUCCESSFULLY;
}
/* }}} */
static int sapi_cli_server_send_headers(sapi_headers_struct *sapi_headers) /* {{{ */
{
php_cli_server_client *client = SG(server_context);
smart_str buffer = { 0 };
sapi_header_struct *h;
zend_llist_position pos;
if (client == NULL || SG(request_info).no_headers) {
return SAPI_HEADER_SENT_SUCCESSFULLY;
}
if (SG(sapi_headers).http_status_line) {
smart_str_appends(&buffer, SG(sapi_headers).http_status_line);
smart_str_appendl(&buffer, "\r\n", 2);
} else {
append_http_status_line(&buffer, client->request.protocol_version, SG(sapi_headers).http_response_code, 0);
}
append_essential_headers(&buffer, client, 0);
h = (sapi_header_struct*)zend_llist_get_first_ex(&sapi_headers->headers, &pos);
while (h) {
if (h->header_len) {
smart_str_appendl(&buffer, h->header, h->header_len);
smart_str_appendl(&buffer, "\r\n", 2);
}
h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
}
smart_str_appendl(&buffer, "\r\n", 2);
php_cli_server_client_send_through(client, ZSTR_VAL(buffer.s), ZSTR_LEN(buffer.s));
smart_str_free(&buffer);
return SAPI_HEADER_SENT_SUCCESSFULLY;
}
/* }}} */
static char *sapi_cli_server_read_cookies(void) /* {{{ */
{
php_cli_server_client *client = SG(server_context);
zval *val;
if (NULL == (val = zend_hash_str_find(&client->request.headers, "cookie", sizeof("cookie")-1))) {
return NULL;
}
return Z_STRVAL_P(val);
} /* }}} */
static size_t sapi_cli_server_read_post(char *buf, size_t count_bytes) /* {{{ */
{
php_cli_server_client *client = SG(server_context);
if (client->request.content) {
size_t content_len = client->request.content_len;
size_t nbytes_copied = MIN(client->post_read_offset + count_bytes, content_len) - client->post_read_offset;
memmove(buf, client->request.content + client->post_read_offset, nbytes_copied);
client->post_read_offset += nbytes_copied;
return nbytes_copied;
}
return 0;
} /* }}} */
static void sapi_cli_server_register_variable(zval *track_vars_array, const char *key, const char *val) /* {{{ */
{
char *new_val = (char *)val;
size_t new_val_len;
if (NULL == val) {
return;
}
if (sapi_module.input_filter(PARSE_SERVER, (char*)key, &new_val, strlen(val), &new_val_len)) {
php_register_variable_safe((char *)key, new_val, new_val_len, track_vars_array);
}
} /* }}} */
static void sapi_cli_server_register_known_var_char(zval *track_vars_array,
const char *var_name, size_t var_name_len, const char *value, size_t value_len)
{
zval new_entry;
if (!value) {
return;
}
ZVAL_STRINGL_FAST(&new_entry, value, value_len);
php_register_known_variable(var_name, var_name_len, &new_entry, track_vars_array);
}
static void sapi_cli_server_register_known_var_str(zval *track_vars_array,
const char *var_name, size_t var_name_len, /* const */ zend_string *value)
{
zval new_entry;
if (!value) {
return;
}
ZVAL_STR_COPY(&new_entry, value);
php_register_known_variable(var_name, var_name_len, &new_entry, track_vars_array);
}
/* The entry zval will always contain a zend_string* */
static int sapi_cli_server_register_entry_cb(zval *entry, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */ {
zval *track_vars_array = va_arg(args, zval *);
ZEND_ASSERT(Z_TYPE_P(entry) == IS_STRING);
if (hash_key->key) {
char *real_key, *key;
uint32_t i;
key = estrndup(ZSTR_VAL(hash_key->key), ZSTR_LEN(hash_key->key));
for(i=0; i<ZSTR_LEN(hash_key->key); i++) {
if (key[i] == '-') {
key[i] = '_';
} else {
key[i] = toupper(key[i]);
}
}
spprintf(&real_key, 0, "%s_%s", "HTTP", key);
if (strcmp(key, "CONTENT_TYPE") == 0 || strcmp(key, "CONTENT_LENGTH") == 0) {
/* Is it possible to use sapi_cli_server_register_known_var_char() and not go through the SAPI filter? */
sapi_cli_server_register_variable(track_vars_array, key, Z_STRVAL_P(entry));
}
sapi_cli_server_register_variable(track_vars_array, real_key, Z_STRVAL_P(entry));
efree(key);
efree(real_key);
}
return ZEND_HASH_APPLY_KEEP;
}
/* }}} */
static void sapi_cli_server_register_variables(zval *track_vars_array) /* {{{ */
{
php_cli_server_client *client = SG(server_context);
sapi_cli_server_register_known_var_char(track_vars_array,
"DOCUMENT_ROOT", strlen("DOCUMENT_ROOT"), client->server->document_root, client->server->document_root_len);
{
char *tmp;
if ((tmp = strrchr(ZSTR_VAL(client->addr_str), ':'))) {
char addr[64], port[8];
const char *addr_start = ZSTR_VAL(client->addr_str), *addr_end = tmp;
if (addr_start[0] == '[') addr_start++;
if (addr_end[-1] == ']') addr_end--;
strncpy(port, tmp + 1, 8);
port[7] = '\0';
size_t addr_len = addr_end - addr_start;
strncpy(addr, addr_start, addr_len);
addr[addr_len] = '\0';
ZEND_ASSERT(addr_len == strlen(addr));
sapi_cli_server_register_known_var_char(track_vars_array,
"REMOTE_ADDR", strlen("REMOTE_ADDR"), addr, addr_len);
sapi_cli_server_register_known_var_char(track_vars_array,
"REMOTE_PORT", strlen("REMOTE_PORT"), port, strlen(port));
} else {
sapi_cli_server_register_known_var_str(track_vars_array,
"REMOTE_ADDR", strlen("REMOTE_ADDR"), client->addr_str);
}
}
{
zend_string *tmp = strpprintf(0, "PHP %s Development Server", PHP_VERSION);
sapi_cli_server_register_known_var_str(track_vars_array, "SERVER_SOFTWARE", strlen("SERVER_SOFTWARE"), tmp);
zend_string_release_ex(tmp, /* persistent */ false);
}
{
zend_string *tmp = strpprintf(0, "HTTP/%d.%d", client->request.protocol_version / 100, client->request.protocol_version % 100);
sapi_cli_server_register_known_var_str(track_vars_array, "SERVER_PROTOCOL", strlen("SERVER_PROTOCOL"), tmp);
zend_string_release_ex(tmp, /* persistent */ false);
}
sapi_cli_server_register_known_var_char(track_vars_array,
"SERVER_NAME", strlen("SERVER_NAME"), client->server->host, strlen(client->server->host));
{
zend_string *tmp = strpprintf(0, "%i", client->server->port);
sapi_cli_server_register_known_var_str(track_vars_array, "SERVER_PORT", strlen("SERVER_PORT"), tmp);
zend_string_release_ex(tmp, /* persistent */ false);
}
sapi_cli_server_register_known_var_str(track_vars_array,
"REQUEST_URI", strlen("REQUEST_URI"), client->request.request_uri);
sapi_cli_server_register_known_var_char(track_vars_array,
"REQUEST_METHOD", strlen("REQUEST_METHOD"),
SG(request_info).request_method, strlen(SG(request_info).request_method));
sapi_cli_server_register_known_var_char(track_vars_array,
"SCRIPT_NAME", strlen("SCRIPT_NAME"), client->request.vpath, client->request.vpath_len);
if (SG(request_info).path_translated) {
sapi_cli_server_register_known_var_char(track_vars_array,
"SCRIPT_FILENAME", strlen("SCRIPT_FILENAME"),
SG(request_info).path_translated, strlen(SG(request_info).path_translated));
} else if (client->server->router) {
sapi_cli_server_register_known_var_char(track_vars_array,
"SCRIPT_FILENAME", strlen("SCRIPT_FILENAME"), client->server->router, client->server->router_len);
}
if (client->request.path_info) {
sapi_cli_server_register_known_var_char(track_vars_array,
"PATH_INFO", strlen("PATH_INFO"), client->request.path_info, client->request.path_info_len);
}
if (client->request.path_info_len) {
zend_string *tmp = strpprintf(0, "%s%s", client->request.vpath, client->request.path_info);
sapi_cli_server_register_known_var_str(track_vars_array, "PHP_SELF", strlen("PHP_SELF"), tmp);
zend_string_release_ex(tmp, /* persistent */ false);
} else {
sapi_cli_server_register_known_var_char(track_vars_array,
"PHP_SELF", strlen("PHP_SELF"), client->request.vpath, client->request.vpath_len);
}
if (client->request.query_string) {
/* Use sapi_cli_server_register_variable() to pass query string through SAPI input filter,
* and check keys are proper PHP var names */
sapi_cli_server_register_variable(track_vars_array, "QUERY_STRING", client->request.query_string);
}
/* Use sapi_cli_server_register_variable() to pass header values through SAPI input filter,
* and check keys are proper PHP var names */
zend_hash_apply_with_arguments(&client->request.headers, (apply_func_args_t)sapi_cli_server_register_entry_cb, 1, track_vars_array);
} /* }}} */
static void sapi_cli_server_log_write(int type, const char *msg) /* {{{ */
{
char buf[52];
if (php_cli_server_log_level < type) {
return;
}
if (!php_cli_server_get_system_time(buf)) {
memmove(buf, "unknown time, can't be fetched", sizeof("unknown time, can't be fetched"));
} else {
size_t l = strlen(buf);
if (l > 0) {
buf[l - 1] = '\0';
} else {
memmove(buf, "unknown", sizeof("unknown"));
}
}
#ifdef HAVE_FORK
if (php_cli_server_workers_max > 1) {
fprintf(stderr, "[%ld] [%s] %s\n", (long) getpid(), buf, msg);
} else {
fprintf(stderr, "[%s] %s\n", buf, msg);
}
#else
fprintf(stderr, "[%s] %s\n", buf, msg);
#endif
} /* }}} */
static void sapi_cli_server_log_message(const char *msg, int syslog_type_int) /* {{{ */
{
sapi_cli_server_log_write(PHP_CLI_SERVER_LOG_MESSAGE, msg);
} /* }}} */
/* {{{ sapi_module_struct cli_server_sapi_module */
sapi_module_struct cli_server_sapi_module = {
"cli-server", /* name */
"Built-in HTTP server", /* pretty name */
sapi_cli_server_startup, /* startup */
php_module_shutdown_wrapper, /* shutdown */
NULL, /* activate */
NULL, /* deactivate */
sapi_cli_server_ub_write, /* unbuffered write */
sapi_cli_server_flush, /* flush */
NULL, /* get uid */
NULL, /* getenv */
php_error, /* error handler */
NULL, /* header handler */
sapi_cli_server_send_headers, /* send headers handler */
NULL, /* send header handler */
sapi_cli_server_read_post, /* read POST data */
sapi_cli_server_read_cookies, /* read Cookies */
sapi_cli_server_register_variables, /* register server variables */
sapi_cli_server_log_message, /* Log message */
NULL, /* Get request time */
NULL, /* Child terminate */
STANDARD_SAPI_MODULE_PROPERTIES
}; /* }}} */
static void php_cli_server_poller_ctor(php_cli_server_poller *poller) /* {{{ */
{
FD_ZERO(&poller->rfds);
FD_ZERO(&poller->wfds);
poller->max_fd = -1;
} /* }}} */
static void php_cli_server_poller_add(php_cli_server_poller *poller, int mode, php_socket_t fd) /* {{{ */
{
if (mode & POLLIN) {
PHP_SAFE_FD_SET(fd, &poller->rfds);
}
if (mode & POLLOUT) {
PHP_SAFE_FD_SET(fd, &poller->wfds);
}
if (fd > poller->max_fd) {
poller->max_fd = fd;
}
} /* }}} */
static void php_cli_server_poller_remove(php_cli_server_poller *poller, int mode, php_socket_t fd) /* {{{ */
{
if (mode & POLLIN) {
PHP_SAFE_FD_CLR(fd, &poller->rfds);
}
if (mode & POLLOUT) {
PHP_SAFE_FD_CLR(fd, &poller->wfds);
}
#ifndef PHP_WIN32
if (fd == poller->max_fd) {
while (fd > 0) {
fd--;
if (PHP_SAFE_FD_ISSET(fd, &poller->rfds) || PHP_SAFE_FD_ISSET(fd, &poller->wfds)) {
break;
}
}
poller->max_fd = fd;
}
#endif
} /* }}} */
static int php_cli_server_poller_poll(php_cli_server_poller *poller, struct timeval *tv) /* {{{ */
{
memmove(&poller->active.rfds, &poller->rfds, sizeof(poller->rfds));
memmove(&poller->active.wfds, &poller->wfds, sizeof(poller->wfds));
return php_select(poller->max_fd + 1, &poller->active.rfds, &poller->active.wfds, NULL, tv);
} /* }}} */
// TODO Return value is unused, refactor?
static zend_result php_cli_server_poller_iter_on_active(php_cli_server_poller *poller, void *opaque, zend_result(*callback)(void *, php_socket_t fd, int events)) /* {{{ */
{
zend_result retval = SUCCESS;
#ifdef PHP_WIN32
struct socket_entry {
SOCKET fd;
int events;
} entries[FD_SETSIZE * 2];
size_t i;
struct socket_entry *n = entries, *m;
for (i = 0; i < poller->active.rfds.fd_count; i++) {
n->events = POLLIN;
n->fd = poller->active.rfds.fd_array[i];
n++;
}
m = n;
for (i = 0; i < poller->active.wfds.fd_count; i++) {
struct socket_entry *e;
SOCKET fd = poller->active.wfds.fd_array[i];
for (e = entries; e < m; e++) {
if (e->fd == fd) {
e->events |= POLLOUT;
}
}
if (e == m) {
assert(n < entries + FD_SETSIZE * 2);
n->events = POLLOUT;
n->fd = fd;
n++;
}
}
{
struct socket_entry *e = entries;
for (; e < n; e++) {
if (SUCCESS != callback(opaque, e->fd, e->events)) {
retval = FAILURE;
}
}
}
#else
php_socket_t fd;
const php_socket_t max_fd = poller->max_fd;
for (fd=0 ; fd<=max_fd ; fd++) {
if (PHP_SAFE_FD_ISSET(fd, &poller->active.rfds)) {
if (SUCCESS != callback(opaque, fd, POLLIN)) {
retval = FAILURE;
}
}
if (PHP_SAFE_FD_ISSET(fd, &poller->active.wfds)) {
if (SUCCESS != callback(opaque, fd, POLLOUT)) {
retval = FAILURE;
}
}
}
#endif
return retval;
} /* }}} */
static size_t php_cli_server_chunk_size(const php_cli_server_chunk *chunk) /* {{{ */
{
switch (chunk->type) {
case PHP_CLI_SERVER_CHUNK_HEAP:
return chunk->data.heap.len;
case PHP_CLI_SERVER_CHUNK_IMMORTAL:
return chunk->data.immortal.len;
}
return 0;
} /* }}} */
static void php_cli_server_chunk_dtor(php_cli_server_chunk *chunk) /* {{{ */
{
switch (chunk->type) {
case PHP_CLI_SERVER_CHUNK_HEAP:
if (chunk->data.heap.block != chunk) {
pefree(chunk->data.heap.block, 1);
}
break;
case PHP_CLI_SERVER_CHUNK_IMMORTAL:
break;
}
} /* }}} */
static void php_cli_server_buffer_dtor(php_cli_server_buffer *buffer) /* {{{ */
{
php_cli_server_chunk *chunk, *next;
for (chunk = buffer->first; chunk; chunk = next) {
next = chunk->next;
php_cli_server_chunk_dtor(chunk);
pefree(chunk, 1);
}
} /* }}} */
static void php_cli_server_buffer_ctor(php_cli_server_buffer *buffer) /* {{{ */
{
buffer->first = NULL;
buffer->last = NULL;
} /* }}} */
static void php_cli_server_buffer_append(php_cli_server_buffer *buffer, php_cli_server_chunk *chunk) /* {{{ */
{
php_cli_server_chunk *last;
for (last = chunk; last->next; last = last->next);
if (!buffer->last) {
buffer->first = chunk;
} else {
buffer->last->next = chunk;
}
buffer->last = last;
} /* }}} */
static void php_cli_server_buffer_prepend(php_cli_server_buffer *buffer, php_cli_server_chunk *chunk) /* {{{ */
{
php_cli_server_chunk *last;
for (last = chunk; last->next; last = last->next);
last->next = buffer->first;
if (!buffer->last) {
buffer->last = last;
}
buffer->first = chunk;
} /* }}} */
static size_t php_cli_server_buffer_size(const php_cli_server_buffer *buffer) /* {{{ */
{
php_cli_server_chunk *chunk;
size_t retval = 0;
for (chunk = buffer->first; chunk; chunk = chunk->next) {
retval += php_cli_server_chunk_size(chunk);
}
return retval;
} /* }}} */
static php_cli_server_chunk *php_cli_server_chunk_immortal_new(const char *buf, size_t len) /* {{{ */
{
php_cli_server_chunk *chunk = pemalloc(sizeof(php_cli_server_chunk), 1);
chunk->type = PHP_CLI_SERVER_CHUNK_IMMORTAL;
chunk->next = NULL;
chunk->data.immortal.p = buf;
chunk->data.immortal.len = len;
return chunk;
} /* }}} */
static php_cli_server_chunk *php_cli_server_chunk_heap_new(void *block, char *buf, size_t len) /* {{{ */
{
php_cli_server_chunk *chunk = pemalloc(sizeof(php_cli_server_chunk), 1);
chunk->type = PHP_CLI_SERVER_CHUNK_HEAP;
chunk->next = NULL;
chunk->data.heap.block = block;
chunk->data.heap.p = buf;
chunk->data.heap.len = len;
return chunk;
} /* }}} */
static php_cli_server_chunk *php_cli_server_chunk_heap_new_self_contained(size_t len) /* {{{ */
{
php_cli_server_chunk *chunk = pemalloc(sizeof(php_cli_server_chunk) + len, 1);
chunk->type = PHP_CLI_SERVER_CHUNK_HEAP;
chunk->next = NULL;
chunk->data.heap.block = chunk;
chunk->data.heap.p = (char *)(chunk + 1);
chunk->data.heap.len = len;
return chunk;
} /* }}} */
static void php_cli_server_content_sender_dtor(php_cli_server_content_sender *sender) /* {{{ */
{
php_cli_server_buffer_dtor(&sender->buffer);
} /* }}} */
static void php_cli_server_content_sender_ctor(php_cli_server_content_sender *sender) /* {{{ */
{
php_cli_server_buffer_ctor(&sender->buffer);
} /* }}} */
static int php_cli_server_content_sender_send(php_cli_server_content_sender *sender, php_socket_t fd, size_t *nbytes_sent_total) /* {{{ */
{
php_cli_server_chunk *chunk, *next;
size_t _nbytes_sent_total = 0;
for (chunk = sender->buffer.first; chunk; chunk = next) {
#ifdef PHP_WIN32
int nbytes_sent;
#else
ssize_t nbytes_sent;
#endif
next = chunk->next;
switch (chunk->type) {
case PHP_CLI_SERVER_CHUNK_HEAP:
#ifdef PHP_WIN32
nbytes_sent = send(fd, chunk->data.heap.p, (int)chunk->data.heap.len, 0);
#else
nbytes_sent = send(fd, chunk->data.heap.p, chunk->data.heap.len, 0);
#endif
if (nbytes_sent < 0) {
*nbytes_sent_total = _nbytes_sent_total;
return php_socket_errno();
#ifdef PHP_WIN32
} else if (nbytes_sent == chunk->data.heap.len) {
#else
} else if (nbytes_sent == (ssize_t)chunk->data.heap.len) {
#endif
php_cli_server_chunk_dtor(chunk);
pefree(chunk, 1);
sender->buffer.first = next;
if (!next) {
sender->buffer.last = NULL;
}
} else {
chunk->data.heap.p += nbytes_sent;
chunk->data.heap.len -= nbytes_sent;
}
_nbytes_sent_total += nbytes_sent;
break;
case PHP_CLI_SERVER_CHUNK_IMMORTAL:
#ifdef PHP_WIN32
nbytes_sent = send(fd, chunk->data.immortal.p, (int)chunk->data.immortal.len, 0);
#else
nbytes_sent = send(fd, chunk->data.immortal.p, chunk->data.immortal.len, 0);
#endif
if (nbytes_sent < 0) {
*nbytes_sent_total = _nbytes_sent_total;
return php_socket_errno();
#ifdef PHP_WIN32
} else if (nbytes_sent == chunk->data.immortal.len) {
#else
} else if (nbytes_sent == (ssize_t)chunk->data.immortal.len) {
#endif
php_cli_server_chunk_dtor(chunk);
pefree(chunk, 1);
sender->buffer.first = next;
if (!next) {
sender->buffer.last = NULL;
}
} else {
chunk->data.immortal.p += nbytes_sent;
chunk->data.immortal.len -= nbytes_sent;
}
_nbytes_sent_total += nbytes_sent;
break;
}
}
*nbytes_sent_total = _nbytes_sent_total;
return 0;
} /* }}} */
static bool php_cli_server_content_sender_pull(php_cli_server_content_sender *sender, int fd, size_t *nbytes_read) /* {{{ */
{
#ifdef PHP_WIN32
int _nbytes_read;
#else
ssize_t _nbytes_read;
#endif
php_cli_server_chunk *chunk = php_cli_server_chunk_heap_new_self_contained(131072);
#ifdef PHP_WIN32
_nbytes_read = read(fd, chunk->data.heap.p, (unsigned int)chunk->data.heap.len);
#else
_nbytes_read = read(fd, chunk->data.heap.p, chunk->data.heap.len);
#endif
if (_nbytes_read < 0) {
if (php_cli_server_log_level >= PHP_CLI_SERVER_LOG_ERROR) {
char *errstr = get_last_error();
php_cli_server_logf(PHP_CLI_SERVER_LOG_ERROR, "%s", errstr);
pefree(errstr, 1);
}
php_cli_server_chunk_dtor(chunk);
pefree(chunk, 1);
return false;
}
chunk->data.heap.len = _nbytes_read;
php_cli_server_buffer_append(&sender->buffer, chunk);
*nbytes_read = _nbytes_read;
return true;
} /* }}} */
#if HAVE_UNISTD_H
static int php_cli_is_output_tty(void) /* {{{ */
{
if (php_cli_output_is_tty == OUTPUT_NOT_CHECKED) {
php_cli_output_is_tty = isatty(STDOUT_FILENO);
}
return php_cli_output_is_tty;
} /* }}} */
#elif defined(PHP_WIN32)
static int php_cli_is_output_tty() /* {{{ */
{
if (php_cli_output_is_tty == OUTPUT_NOT_CHECKED) {
php_cli_output_is_tty = php_win32_console_fileno_is_console(STDOUT_FILENO) && php_win32_console_fileno_has_vt100(STDOUT_FILENO);
}
return php_cli_output_is_tty;
} /* }}} */
#endif
static void php_cli_server_log_response(php_cli_server_client *client, int status, const char *message) /* {{{ */
{
int color = 0, effective_status = status;
char *basic_buf, *message_buf = "", *error_buf = "";
bool append_error_message = 0;
if (PG(last_error_message)) {
if (PG(last_error_type) & E_FATAL_ERRORS) {
if (status == 200) {
/* the status code isn't changed by a fatal error, so fake it */
effective_status = 500;
}
append_error_message = 1;
}
}
#if HAVE_UNISTD_H || defined(PHP_WIN32)
if (CLI_SERVER_G(color) && php_cli_is_output_tty() == OUTPUT_IS_TTY) {
if (effective_status >= 500) {
/* server error: red */
color = 1;
} else if (effective_status >= 400) {
/* client error: yellow */
color = 3;
} else if (effective_status >= 200) {
/* success: green */
color = 2;
}
}
#endif
/* basic */
spprintf(&basic_buf, 0, "%s [%d]: %s %s", ZSTR_VAL(client->addr_str), status,
php_http_method_str(client->request.request_method), ZSTR_VAL(client->request.request_uri));
if (!basic_buf) {
return;
}
/* message */
if (message) {
spprintf(&message_buf, 0, " - %s", message);
if (!message_buf) {
efree(basic_buf);
return;
}
}
/* error */
if (append_error_message) {
spprintf(&error_buf, 0, " - %s in %s on line %d",
ZSTR_VAL(PG(last_error_message)), ZSTR_VAL(PG(last_error_file)), PG(last_error_lineno));
if (!error_buf) {
efree(basic_buf);
if (message) {
efree(message_buf);
}
return;
}
}
if (color) {
php_cli_server_logf(PHP_CLI_SERVER_LOG_MESSAGE, "\x1b[3%dm%s%s%s\x1b[0m", color, basic_buf, message_buf, error_buf);
} else {
php_cli_server_logf(PHP_CLI_SERVER_LOG_MESSAGE, "%s%s%s", basic_buf, message_buf, error_buf);
}
efree(basic_buf);
if (message) {
efree(message_buf);
}
if (append_error_message) {
efree(error_buf);
}
} /* }}} */
static void php_cli_server_logf(int type, const char *format, ...) /* {{{ */
{
char *buf = NULL;
va_list ap;
if (php_cli_server_log_level < type) {
return;
}
va_start(ap, format);
vspprintf(&buf, 0, format, ap);
va_end(ap);
if (!buf) {
return;
}
sapi_cli_server_log_write(type, buf);
efree(buf);
} /* }}} */
static php_socket_t php_network_listen_socket(const char *host, int *port, int socktype, int *af, socklen_t *socklen, zend_string **errstr) /* {{{ */
{
php_socket_t retval = SOCK_ERR;
int err = 0;
struct sockaddr *sa = NULL, **p, **sal;
int num_addrs = php_network_getaddresses(host, socktype, &sal, errstr);
if (num_addrs == 0) {
return -1;
}
for (p = sal; *p; p++) {
if (sa) {
pefree(sa, 1);
sa = NULL;
}
retval = socket((*p)->sa_family, socktype, 0);
if (retval == SOCK_ERR) {
continue;
}
switch ((*p)->sa_family) {
#if HAVE_GETADDRINFO && HAVE_IPV6
case AF_INET6:
sa = pemalloc(sizeof(struct sockaddr_in6), 1);
*(struct sockaddr_in6 *)sa = *(struct sockaddr_in6 *)*p;
((struct sockaddr_in6 *)sa)->sin6_port = htons(*port);
*socklen = sizeof(struct sockaddr_in6);
break;
#endif
case AF_INET:
sa = pemalloc(sizeof(struct sockaddr_in), 1);
*(struct sockaddr_in *)sa = *(struct sockaddr_in *)*p;
((struct sockaddr_in *)sa)->sin_port = htons(*port);
*socklen = sizeof(struct sockaddr_in);
break;
default:
/* Unknown family */
*socklen = 0;
closesocket(retval);
continue;
}
#ifdef SO_REUSEADDR
{
int val = 1;
setsockopt(retval, SOL_SOCKET, SO_REUSEADDR, (char*)&val, sizeof(val));
}
#endif
if (bind(retval, sa, *socklen) == SOCK_CONN_ERR) {
err = php_socket_errno();
if (err == SOCK_EINVAL || err == SOCK_EADDRINUSE) {
goto out;
}
closesocket(retval);
retval = SOCK_ERR;
continue;
}
err = 0;
*af = sa->sa_family;
if (*port == 0) {
if (getsockname(retval, sa, socklen)) {
err = php_socket_errno();
goto out;
}
switch (sa->sa_family) {
#if HAVE_GETADDRINFO && HAVE_IPV6
case AF_INET6:
*port = ntohs(((struct sockaddr_in6 *)sa)->sin6_port);
break;
#endif
case AF_INET:
*port = ntohs(((struct sockaddr_in *)sa)->sin_port);
break;
}
}
break;
}
if (retval == SOCK_ERR) {
goto out;
}
if (listen(retval, SOMAXCONN)) {
err = php_socket_errno();
goto out;
}
out:
if (sa) {
pefree(sa, 1);
}
if (sal) {
php_network_freeaddresses(sal);
}
if (err) {
if (ZEND_VALID_SOCKET(retval)) {
closesocket(retval);
}
if (errstr) {
*errstr = php_socket_error_str(err);
}
return SOCK_ERR;
}
return retval;
} /* }}} */
static void php_cli_server_request_ctor(php_cli_server_request *req) /* {{{ */
{
req->protocol_version = 0;
req->request_uri = NULL;
req->vpath = NULL;
req->vpath_len = 0;
req->path_translated = NULL;
req->path_translated_len = 0;
req->path_info = NULL;
req->path_info_len = 0;
req->query_string = NULL;
req->query_string_len = 0;
zend_hash_init(&req->headers, 0, NULL, cli_header_value_dtor, 1);
/* No destructor is registered as the value pointed by is the same as for &req->headers */
zend_hash_init(&req->headers_original_case, 0, NULL, NULL, 1);
req->content = NULL;
req->content_len = 0;
req->ext = NULL;
req->ext_len = 0;
} /* }}} */
static void php_cli_server_request_dtor(php_cli_server_request *req) /* {{{ */
{
if (req->request_uri) {
zend_string_release_ex(req->request_uri, /* persistent */ true);
}
if (req->vpath) {
pefree(req->vpath, 1);
}
if (req->path_translated) {
pefree(req->path_translated, 1);
}
if (req->path_info) {
pefree(req->path_info, 1);
}
if (req->query_string) {
pefree(req->query_string, 1);
}
zend_hash_destroy(&req->headers);
zend_hash_destroy(&req->headers_original_case);
if (req->content) {
pefree(req->content, 1);
}
} /* }}} */
static void php_cli_server_request_translate_vpath(php_cli_server_request *request, const char *document_root, size_t document_root_len) /* {{{ */
{
zend_stat_t sb = {0};
static const char *index_files[] = { "index.php", "index.html", NULL };
char *buf = safe_pemalloc(1, request->vpath_len, 1 + document_root_len + 1 + sizeof("index.html"), 1);
char *p = buf, *prev_path = NULL, *q, *vpath;
size_t prev_path_len = 0;
int is_static_file = 0;
memmove(p, document_root, document_root_len);
p += document_root_len;
vpath = p;
if (request->vpath_len != 0) {
if (request->vpath[0] != '/') {
*p++ = DEFAULT_SLASH;
}
q = request->vpath + request->vpath_len;
while (q > request->vpath) {
if (*q-- == '.') {
is_static_file = 1;
break;
}
}
memmove(p, request->vpath, request->vpath_len);
#ifdef PHP_WIN32
q = p + request->vpath_len;
do {
if (*q == '/') {
*q = '\\';
}
} while (q-- > p);
#endif
p += request->vpath_len;
}
*p = '\0';
q = p;
while (q > buf) {
if (!php_sys_stat(buf, &sb)) {
if (sb.st_mode & S_IFDIR) {
const char **file = index_files;
if (q[-1] != DEFAULT_SLASH) {
*q++ = DEFAULT_SLASH;
}
while (*file) {
size_t l = strlen(*file);
memmove(q, *file, l + 1);
if (!php_sys_stat(buf, &sb) && (sb.st_mode & S_IFREG)) {
q += l;
break;
}
file++;
}
if (!*file || is_static_file) {
if (prev_path) {
pefree(prev_path, 1);
}
pefree(buf, 1);
return;
}
}
break; /* regular file */
}
if (prev_path) {
pefree(prev_path, 1);
*q = DEFAULT_SLASH;
}
while (q > buf && *(--q) != DEFAULT_SLASH);
prev_path_len = p - q;
prev_path = pestrndup(q, prev_path_len, 1);
*q = '\0';
}
if (prev_path) {
request->path_info_len = prev_path_len;
#ifdef PHP_WIN32
while (prev_path_len--) {
if (prev_path[prev_path_len] == '\\') {
prev_path[prev_path_len] = '/';
}
}
#endif
request->path_info = prev_path;
pefree(request->vpath, 1);
request->vpath = pestrndup(vpath, q - vpath, 1);
request->vpath_len = q - vpath;
request->path_translated = buf;
request->path_translated_len = q - buf;
} else {
pefree(request->vpath, 1);
request->vpath = pestrndup(vpath, q - vpath, 1);
request->vpath_len = q - vpath;
request->path_translated = buf;
request->path_translated_len = q - buf;
}
#ifdef PHP_WIN32
{
uint32_t i = 0;
for (;i<request->vpath_len;i++) {
if (request->vpath[i] == '\\') {
request->vpath[i] = '/';
}
}
}
#endif
request->sb = sb;
} /* }}} */
static void normalize_vpath(char **retval, size_t *retval_len, const char *vpath, size_t vpath_len, int persistent) /* {{{ */
{
char *decoded_vpath = NULL;
char *decoded_vpath_end;
char *p;
*retval = NULL;
*retval_len = 0;
decoded_vpath = pestrndup(vpath, vpath_len, persistent);
if (!decoded_vpath) {
return;
}
decoded_vpath_end = decoded_vpath + php_raw_url_decode(decoded_vpath, (int)vpath_len);
#ifdef PHP_WIN32
{
char *p = decoded_vpath;
do {
if (*p == '\\') {
*p = '/';
}
} while (*p++);
}
#endif
p = decoded_vpath;
if (p < decoded_vpath_end && *p == '/') {
char *n = p;
while (n < decoded_vpath_end && *n == '/') n++;
memmove(++p, n, decoded_vpath_end - n);
decoded_vpath_end -= n - p;
}
while (p < decoded_vpath_end) {
char *n = p;
while (n < decoded_vpath_end && *n != '/') n++;
if (n - p == 2 && p[0] == '.' && p[1] == '.') {
if (p > decoded_vpath) {
--p;
for (;;) {
if (p == decoded_vpath) {
if (*p == '/') {
p++;
}
break;
}
if (*(--p) == '/') {
p++;
break;
}
}
}
while (n < decoded_vpath_end && *n == '/') n++;
memmove(p, n, decoded_vpath_end - n);
decoded_vpath_end -= n - p;
} else if (n - p == 1 && p[0] == '.') {
while (n < decoded_vpath_end && *n == '/') n++;
memmove(p, n, decoded_vpath_end - n);
decoded_vpath_end -= n - p;
} else {
if (n < decoded_vpath_end) {
char *nn = n;
while (nn < decoded_vpath_end && *nn == '/') nn++;
p = n + 1;
memmove(p, nn, decoded_vpath_end - nn);
decoded_vpath_end -= nn - p;
} else {
p = n;
}
}
}
*decoded_vpath_end = '\0';
*retval = decoded_vpath;
*retval_len = decoded_vpath_end - decoded_vpath;
} /* }}} */
// TODO Update these functions and php_http_parser.h
/* {{{ php_cli_server_client_read_request */
static int php_cli_server_client_read_request_on_message_begin(php_http_parser *parser)
{
return 0;
}
static int php_cli_server_client_read_request_on_path(php_http_parser *parser, const char *at, size_t length)
{
php_cli_server_client *client = parser->data;
{
char *vpath;
size_t vpath_len;
if (UNEXPECTED(client->request.vpath != NULL)) {
return 1;
}
normalize_vpath(&vpath, &vpath_len, at, length, 1);
client->request.vpath = vpath;
client->request.vpath_len = vpath_len;
}
return 0;
}
static int php_cli_server_client_read_request_on_query_string(php_http_parser *parser, const char *at, size_t length)
{
php_cli_server_client *client = parser->data;
if (EXPECTED(client->request.query_string == NULL)) {
client->request.query_string = pestrndup(at, length, 1);
client->request.query_string_len = length;
} else {
ZEND_ASSERT(length <= PHP_HTTP_MAX_HEADER_SIZE && PHP_HTTP_MAX_HEADER_SIZE - length >= client->request.query_string_len);
client->request.query_string = perealloc(client->request.query_string, client->request.query_string_len + length + 1, 1);
memcpy(client->request.query_string + client->request.query_string_len, at, length);
client->request.query_string_len += length;
client->request.query_string[client->request.query_string_len] = '\0';
}
return 0;
}
static int php_cli_server_client_read_request_on_url(php_http_parser *parser, const char *at, size_t length)
{
php_cli_server_client *client = parser->data;
if (EXPECTED(client->request.request_uri == NULL)) {
client->request.request_method = parser->method;
client->request.request_uri = zend_string_init(at, length, /* persistent */ true);
GC_MAKE_PERSISTENT_LOCAL(client->request.request_uri);
} else {
ZEND_ASSERT(client->request.request_method == parser->method);
ZEND_ASSERT(length <= PHP_HTTP_MAX_HEADER_SIZE && PHP_HTTP_MAX_HEADER_SIZE - length >= client->request.query_string_len);
/* Extend URI, append content to it */
client->request.request_uri = cli_concat_persistent_zstr_with_char(client->request.request_uri, at, length);
}
return 0;
}
static int php_cli_server_client_read_request_on_fragment(php_http_parser *parser, const char *at, size_t length)
{
return 0;
}
static void php_cli_server_client_save_header(php_cli_server_client *client)
{
/* Wrap header value in a zval to add is to the HashTable which acts as an array */
zval tmp;
ZVAL_STR(&tmp, client->current_header_value);
/* strip off the colon */
zend_string *lc_header_name = zend_string_tolower_ex(client->current_header_name, /* persistent */ true);
GC_MAKE_PERSISTENT_LOCAL(lc_header_name);
/* Add the wrapped zend_string to the HashTable */
zend_hash_add(&client->request.headers, lc_header_name, &tmp);
zend_hash_add(&client->request.headers_original_case, client->current_header_name, &tmp);
zend_string_release_ex(lc_header_name, /* persistent */ true);
zend_string_release_ex(client->current_header_name, /* persistent */ true);
client->current_header_name = NULL;
client->current_header_value = NULL;
}
static zend_string* cli_concat_persistent_zstr_with_char(zend_string *old_str, const char *at, size_t length)
{
/* Assert that there is only one reference to the string, as then zend_string_extends()
* will reallocate it such that we do not need to release the old value. */
ZEND_ASSERT(GC_REFCOUNT(old_str) == 1);
/* Previous element was part of header value, append content to it */
size_t old_length = ZSTR_LEN(old_str);
zend_string *str = zend_string_extend(old_str, old_length + length, /* persistent */ true);
memcpy(ZSTR_VAL(str) + old_length, at, length);
// Null terminate
ZSTR_VAL(str)[ZSTR_LEN(str)] = '\0';
return str;
}
static int php_cli_server_client_read_request_on_header_field(php_http_parser *parser, const char *at, size_t length)
{
php_cli_server_client *client = parser->data;
switch (client->last_header_element) {
case HEADER_VALUE:
/* Save previous header before creating new one */
php_cli_server_client_save_header(client);
ZEND_FALLTHROUGH;
case HEADER_NONE:
/* Create new header field */
client->current_header_name = zend_string_init(at, length, /* persistent */ true);
GC_MAKE_PERSISTENT_LOCAL(client->current_header_name);
break;
case HEADER_FIELD: {
/* Append header name to the previous value of it */
client->current_header_name = cli_concat_persistent_zstr_with_char(client->current_header_name, at, length);
break;
}
}
client->last_header_element = HEADER_FIELD;
return 0;
}
static int php_cli_server_client_read_request_on_header_value(php_http_parser *parser, const char *at, size_t length)
{
php_cli_server_client *client = parser->data;
switch (client->last_header_element) {
case HEADER_FIELD:
/* Previous element was the header field, create the header value */
client->current_header_value = zend_string_init(at, length, /* persistent */ true);
GC_MAKE_PERSISTENT_LOCAL(client->current_header_value);
break;
case HEADER_VALUE: {
/* Append header value to the previous value of it */
client->current_header_value = cli_concat_persistent_zstr_with_char(client->current_header_value, at, length);
break;
}
case HEADER_NONE:
/* Cannot happen as a header field must have been found before */
assert(0);
break;
}
client->last_header_element = HEADER_VALUE;
return 0;
}
static int php_cli_server_client_read_request_on_headers_complete(php_http_parser *parser)
{
php_cli_server_client *client = parser->data;
switch (client->last_header_element) {
case HEADER_NONE:
break;
case HEADER_FIELD:
/* Previous element was the header field, set it's value to an empty string */
client->current_header_value = ZSTR_EMPTY_ALLOC();
ZEND_FALLTHROUGH;
case HEADER_VALUE:
/* Save last header value */
php_cli_server_client_save_header(client);
break;
}
client->last_header_element = HEADER_NONE;
return 0;
}
static int php_cli_server_client_read_request_on_body(php_http_parser *parser, const char *at, size_t length)
{
php_cli_server_client *client = parser->data;
if (!client->request.content) {
client->request.content = pemalloc(parser->content_length, 1);
client->request.content_len = 0;
}
client->request.content = perealloc(client->request.content, client->request.content_len + length, 1);
memmove(client->request.content + client->request.content_len, at, length);
client->request.content_len += length;
return 0;
}
static int php_cli_server_client_read_request_on_message_complete(php_http_parser *parser)
{
php_cli_server_client *client = parser->data;
client->request.protocol_version = parser->http_major * 100 + parser->http_minor;
php_cli_server_request_translate_vpath(&client->request, client->server->document_root, client->server->document_root_len);
{
const char *vpath = client->request.vpath, *end = vpath + client->request.vpath_len, *p = end;
client->request.ext = end;
client->request.ext_len = 0;
while (p > vpath) {
--p;
if (*p == '.') {
++p;
client->request.ext = p;
client->request.ext_len = end - p;
break;
}
}
}
client->request_read = true;
return 0;
}
/* Returns:
-1 when an error occurs
0 when the request has not been read (try again?)
1 when the request has been read
*/
static int php_cli_server_client_read_request(php_cli_server_client *client, char **errstr)
{
char buf[16384];
static const php_http_parser_settings settings = {
php_cli_server_client_read_request_on_message_begin,
php_cli_server_client_read_request_on_path,
php_cli_server_client_read_request_on_query_string,
php_cli_server_client_read_request_on_url,
php_cli_server_client_read_request_on_fragment,
php_cli_server_client_read_request_on_header_field,
php_cli_server_client_read_request_on_header_value,
php_cli_server_client_read_request_on_headers_complete,
php_cli_server_client_read_request_on_body,
php_cli_server_client_read_request_on_message_complete
};
size_t nbytes_consumed;
int nbytes_read;
if (client->request_read) {
return 1;
}
nbytes_read = recv(client->sock, buf, sizeof(buf) - 1, 0);
if (nbytes_read < 0) {
int err = php_socket_errno();
if (err == SOCK_EAGAIN) {
return 0;
}
if (php_cli_server_log_level >= PHP_CLI_SERVER_LOG_ERROR) {
*errstr = php_socket_strerror(err, NULL, 0);
}
return -1;
} else if (nbytes_read == 0) {
if (php_cli_server_log_level >= PHP_CLI_SERVER_LOG_ERROR) {
*errstr = estrdup(php_cli_server_request_error_unexpected_eof);
}
return -1;
}
client->parser.data = client;
nbytes_consumed = php_http_parser_execute(&client->parser, &settings, buf, nbytes_read);
if (nbytes_consumed != (size_t)nbytes_read) {
if (php_cli_server_log_level >= PHP_CLI_SERVER_LOG_ERROR) {
if ((buf[0] & 0x80) /* SSLv2 */ || buf[0] == 0x16 /* SSLv3/TLSv1 */) {
*errstr = estrdup("Unsupported SSL request");
} else {
*errstr = estrdup("Malformed HTTP request");
}
}
return -1;
}
return client->request_read ? 1: 0;
}
/* }}} */
static size_t php_cli_server_client_send_through(php_cli_server_client *client, const char *str, size_t str_len) /* {{{ */
{
struct timeval tv = { 10, 0 };
#ifdef PHP_WIN32
int nbytes_left = (int)str_len;
#else
ssize_t nbytes_left = (ssize_t)str_len;
#endif
do {
#ifdef PHP_WIN32
int nbytes_sent;
#else
ssize_t nbytes_sent;
#endif
nbytes_sent = send(client->sock, str + str_len - nbytes_left, nbytes_left, 0);
if (nbytes_sent < 0) {
int err = php_socket_errno();
if (err == SOCK_EAGAIN) {
int nfds = php_pollfd_for(client->sock, POLLOUT, &tv);
if (nfds > 0) {
continue;
} else {
/* error or timeout */
php_handle_aborted_connection();
return nbytes_left;
}
} else {
php_handle_aborted_connection();
return nbytes_left;
}
}
nbytes_left -= nbytes_sent;
} while (nbytes_left > 0);
return str_len;
} /* }}} */
static void php_cli_server_client_populate_request_info(const php_cli_server_client *client, sapi_request_info *request_info) /* {{{ */
{
zval *val;
request_info->request_method = php_http_method_str(client->request.request_method);
request_info->proto_num = client->request.protocol_version;
request_info->request_uri = ZSTR_VAL(client->request.request_uri);
request_info->path_translated = client->request.path_translated;
request_info->query_string = client->request.query_string;
request_info->content_length = client->request.content_len;
request_info->auth_user = request_info->auth_password = request_info->auth_digest = NULL;
if (NULL != (val = zend_hash_str_find(&client->request.headers, "content-type", sizeof("content-type")-1))) {
request_info->content_type = Z_STRVAL_P(val);
}
} /* }}} */
// TODO Remove?
static void destroy_request_info(sapi_request_info *request_info) /* {{{ */
{
} /* }}} */
static void php_cli_server_client_ctor(php_cli_server_client *client, php_cli_server *server, php_socket_t client_sock, struct sockaddr *addr, socklen_t addr_len) /* {{{ */
{
client->server = server;
client->sock = client_sock;
client->addr = addr;
client->addr_len = addr_len;
// TODO To prevent the reallocation need to retrieve a persistent string
// Create a new php_network_populate_name_from_sockaddr_ex() API with a persistent flag?
zend_string *tmp_addr = NULL;
php_network_populate_name_from_sockaddr(addr, addr_len, &tmp_addr, NULL, 0);
client->addr_str = zend_string_dup(tmp_addr, /* persistent */ true);
GC_MAKE_PERSISTENT_LOCAL(client->addr_str);
zend_string_release_ex(tmp_addr, /* persistent */ false);
php_http_parser_init(&client->parser, PHP_HTTP_REQUEST);
client->request_read = false;
client->last_header_element = HEADER_NONE;
client->current_header_name = NULL;
client->current_header_value = NULL;
client->post_read_offset = 0;
php_cli_server_request_ctor(&client->request);
client->content_sender_initialized = false;
client->file_fd = -1;
} /* }}} */
static void php_cli_server_client_dtor(php_cli_server_client *client) /* {{{ */
{
php_cli_server_request_dtor(&client->request);
if (client->file_fd >= 0) {
close(client->file_fd);
client->file_fd = -1;
}
pefree(client->addr, 1);
zend_string_release_ex(client->addr_str, /* persistent */ true);
if (client->content_sender_initialized) {
/* Headers must be set if we reached the content initialisation */
assert(client->current_header_name == NULL);
assert(client->current_header_value == NULL);
php_cli_server_content_sender_dtor(&client->content_sender);
}
} /* }}} */
static void php_cli_server_close_connection(php_cli_server *server, php_cli_server_client *client) /* {{{ */
{
php_cli_server_logf(PHP_CLI_SERVER_LOG_MESSAGE, "%s Closing", ZSTR_VAL(client->addr_str));
zend_hash_index_del(&server->clients, client->sock);
} /* }}} */
static zend_result php_cli_server_send_error_page(php_cli_server *server, php_cli_server_client *client, int status) /* {{{ */
{
zend_string *escaped_request_uri = NULL;
const char *status_string = get_status_string(status);
const char *content_template = get_template_string(status);
char *errstr = get_last_error();
assert(status_string && content_template);
php_cli_server_content_sender_ctor(&client->content_sender);
client->content_sender_initialized = true;
if (client->request.request_method != PHP_HTTP_HEAD) {
escaped_request_uri = php_escape_html_entities_ex((const unsigned char *) ZSTR_VAL(client->request.request_uri), ZSTR_LEN(client->request.request_uri), 0, ENT_QUOTES, NULL, /* double_encode */ 0, /* quiet */ 0);
{
static const char prologue_template[] = "<!doctype html><html><head><title>%d %s</title>";
php_cli_server_chunk *chunk = php_cli_server_chunk_heap_new_self_contained(strlen(prologue_template) + 3 + strlen(status_string) + 1);
if (!chunk) {
goto fail;
}
snprintf(chunk->data.heap.p, chunk->data.heap.len, prologue_template, status, status_string);
chunk->data.heap.len = strlen(chunk->data.heap.p);
php_cli_server_buffer_append(&client->content_sender.buffer, chunk);
}
{
php_cli_server_chunk *chunk = php_cli_server_chunk_immortal_new(php_cli_server_css, sizeof(php_cli_server_css) - 1);
if (!chunk) {
goto fail;
}
php_cli_server_buffer_append(&client->content_sender.buffer, chunk);
}
{
static const char template[] = "</head><body>";
php_cli_server_chunk *chunk = php_cli_server_chunk_immortal_new(template, sizeof(template) - 1);
if (!chunk) {
goto fail;
}
php_cli_server_buffer_append(&client->content_sender.buffer, chunk);
}
{
php_cli_server_chunk *chunk = php_cli_server_chunk_heap_new_self_contained(strlen(content_template) + ZSTR_LEN(escaped_request_uri) + 3 + strlen(status_string) + 1);
if (!chunk) {
goto fail;
}
snprintf(chunk->data.heap.p, chunk->data.heap.len, content_template, status_string, ZSTR_VAL(escaped_request_uri));
chunk->data.heap.len = strlen(chunk->data.heap.p);
php_cli_server_buffer_append(&client->content_sender.buffer, chunk);
}
{
static const char epilogue_template[] = "</body></html>";
php_cli_server_chunk *chunk = php_cli_server_chunk_immortal_new(epilogue_template, sizeof(epilogue_template) - 1);
if (!chunk) {
goto fail;
}
php_cli_server_buffer_append(&client->content_sender.buffer, chunk);
}
}
{
php_cli_server_chunk *chunk;
smart_str buffer = { 0 };
append_http_status_line(&buffer, client->request.protocol_version, status, 1);
if (!buffer.s) {
/* out of memory */
goto fail;
}
append_essential_headers(&buffer, client, 1);
smart_str_appends_ex(&buffer, "Content-Type: text/html; charset=UTF-8\r\n", 1);
smart_str_appends_ex(&buffer, "Content-Length: ", 1);
smart_str_append_unsigned_ex(&buffer, php_cli_server_buffer_size(&client->content_sender.buffer), 1);
smart_str_appendl_ex(&buffer, "\r\n", 2, 1);
if (status == 405) {
smart_str_appends_ex(&buffer, "Allow: ", 1);
smart_str_appends_ex(&buffer, php_http_method_str(PHP_HTTP_GET), 1);
smart_str_appends_ex(&buffer, ", ", 1);
smart_str_appends_ex(&buffer, php_http_method_str(PHP_HTTP_HEAD), 1);
smart_str_appends_ex(&buffer, ", ", 1);
smart_str_appends_ex(&buffer, php_http_method_str(PHP_HTTP_POST), 1);
smart_str_appendl_ex(&buffer, "\r\n", 2, 1);
}
smart_str_appendl_ex(&buffer, "\r\n", 2, 1);
chunk = php_cli_server_chunk_heap_new(buffer.s, ZSTR_VAL(buffer.s), ZSTR_LEN(buffer.s));
if (!chunk) {
smart_str_free_ex(&buffer, 1);
goto fail;
}
php_cli_server_buffer_prepend(&client->content_sender.buffer, chunk);
}
php_cli_server_log_response(client, status, errstr ? errstr : "?");
php_cli_server_poller_add(&server->poller, POLLOUT, client->sock);
if (errstr) {
pefree(errstr, 1);
}
if (escaped_request_uri) {
zend_string_free(escaped_request_uri);
}
return SUCCESS;
fail:
if (errstr) {
pefree(errstr, 1);
}
if (escaped_request_uri) {
zend_string_free(escaped_request_uri);
}
return FAILURE;
} /* }}} */
static zend_result php_cli_server_dispatch_script(php_cli_server *server, php_cli_server_client *client) /* {{{ */
{
if (strlen(client->request.path_translated) != client->request.path_translated_len) {
/* can't handle paths that contain nul bytes */
return php_cli_server_send_error_page(server, client, 400);
}
zend_file_handle zfd;
zend_stream_init_filename(&zfd, SG(request_info).path_translated);
zfd.primary_script = 1;
zend_try {
php_execute_script(&zfd);
} zend_end_try();
zend_destroy_file_handle(&zfd);
php_cli_server_log_response(client, SG(sapi_headers).http_response_code, NULL);
return SUCCESS;
} /* }}} */
static zend_result php_cli_server_begin_send_static(php_cli_server *server, php_cli_server_client *client) /* {{{ */
{
int fd;
int status = 200;
if (client->request.request_method == PHP_HTTP_DELETE
|| client->request.request_method == PHP_HTTP_PUT
|| client->request.request_method == PHP_HTTP_PATCH) {
return php_cli_server_send_error_page(server, client, 405);
}
if (client->request.path_translated && strlen(client->request.path_translated) != client->request.path_translated_len) {
/* can't handle paths that contain nul bytes */
return php_cli_server_send_error_page(server, client, 400);
}
#ifdef PHP_WIN32
/* The win32 namespace will cut off trailing dots and spaces. Since the
VCWD functionality isn't used here, a sophisticated functionality
would have to be reimplemented to know ahead there are no files
with invalid names there. The simplest is just to forbid invalid
filenames, which is done here. */
if (client->request.path_translated &&
('.' == client->request.path_translated[client->request.path_translated_len-1] ||
' ' == client->request.path_translated[client->request.path_translated_len-1])) {
return php_cli_server_send_error_page(server, client, 500);
}
fd = client->request.path_translated ? php_win32_ioutil_open(client->request.path_translated, O_RDONLY): -1;
#else
fd = client->request.path_translated ? open(client->request.path_translated, O_RDONLY): -1;
#endif
if (fd < 0) {
return php_cli_server_send_error_page(server, client, 404);
}
php_cli_server_content_sender_ctor(&client->content_sender);
client->content_sender_initialized = true;
if (client->request.request_method != PHP_HTTP_HEAD) {
client->file_fd = fd;
}
{
php_cli_server_chunk *chunk;
smart_str buffer = { 0 };
const char *mime_type = get_mime_type(server, client->request.ext, client->request.ext_len);
append_http_status_line(&buffer, client->request.protocol_version, status, 1);
if (!buffer.s) {
/* out of memory */
php_cli_server_log_response(client, 500, NULL);
return FAILURE;
}
append_essential_headers(&buffer, client, 1);
if (mime_type) {
smart_str_appendl_ex(&buffer, "Content-Type: ", sizeof("Content-Type: ") - 1, 1);
smart_str_appends_ex(&buffer, mime_type, 1);
if (strncmp(mime_type, "text/", 5) == 0) {
smart_str_appends_ex(&buffer, "; charset=UTF-8", 1);
}
smart_str_appendl_ex(&buffer, "\r\n", 2, 1);
}
smart_str_appends_ex(&buffer, "Content-Length: ", 1);
smart_str_append_unsigned_ex(&buffer, client->request.sb.st_size, 1);
smart_str_appendl_ex(&buffer, "\r\n", 2, 1);
smart_str_appendl_ex(&buffer, "\r\n", 2, 1);
chunk = php_cli_server_chunk_heap_new(buffer.s, ZSTR_VAL(buffer.s), ZSTR_LEN(buffer.s));
if (!chunk) {
smart_str_free_ex(&buffer, 1);
php_cli_server_log_response(client, 500, NULL);
return FAILURE;
}
php_cli_server_buffer_append(&client->content_sender.buffer, chunk);
}
php_cli_server_log_response(client, 200, NULL);
php_cli_server_poller_add(&server->poller, POLLOUT, client->sock);
return SUCCESS;
}
/* }}} */
static zend_result php_cli_server_request_startup(php_cli_server *server, php_cli_server_client *client) { /* {{{ */
zval *auth;
php_cli_server_client_populate_request_info(client, &SG(request_info));
if (NULL != (auth = zend_hash_str_find(&client->request.headers, "authorization", sizeof("authorization")-1))) {
php_handle_auth_data(Z_STRVAL_P(auth));
}
SG(sapi_headers).http_response_code = 200;
if (FAILURE == php_request_startup()) {
return FAILURE;
}
PG(during_request_startup) = 0;
return SUCCESS;
}
/* }}} */
static void php_cli_server_request_shutdown(php_cli_server *server, php_cli_server_client *client) { /* {{{ */
php_request_shutdown(0);
php_cli_server_close_connection(server, client);
destroy_request_info(&SG(request_info));
SG(server_context) = NULL;
SG(rfc1867_uploaded_files) = NULL;
}
/* }}} */
// TODO Use bool, return value is strange
static int php_cli_server_dispatch_router(php_cli_server *server, php_cli_server_client *client) /* {{{ */
{
int decline = 0;
zend_file_handle zfd;
char *old_cwd;
ALLOCA_FLAG(use_heap)
old_cwd = do_alloca(MAXPATHLEN, use_heap);
old_cwd[0] = '\0';
php_ignore_value(VCWD_GETCWD(old_cwd, MAXPATHLEN - 1));
zend_stream_init_filename(&zfd, server->router);
zfd.primary_script = 1;
zend_try {
zval retval;
ZVAL_UNDEF(&retval);
if (SUCCESS == zend_execute_scripts(ZEND_REQUIRE, &retval, 1, &zfd)) {
if (Z_TYPE(retval) != IS_UNDEF) {
decline = Z_TYPE(retval) == IS_FALSE;
zval_ptr_dtor(&retval);
}
}
} zend_end_try();
zend_destroy_file_handle(&zfd);
if (old_cwd[0] != '\0') {
php_ignore_value(VCWD_CHDIR(old_cwd));
}
free_alloca(old_cwd, use_heap);
return decline;
}
/* }}} */
// TODO Return FAILURE on error? Or voidify as return value of function not checked
static zend_result php_cli_server_dispatch(php_cli_server *server, php_cli_server_client *client) /* {{{ */
{
int is_static_file = 0;
const char *ext = client->request.ext;
SG(server_context) = client;
if (client->request.ext_len != 3
|| (ext[0] != 'p' && ext[0] != 'P') || (ext[1] != 'h' && ext[1] != 'H') || (ext[2] != 'p' && ext[2] != 'P')
|| !client->request.path_translated) {
is_static_file = 1;
}
if (server->router || !is_static_file) {
if (FAILURE == php_cli_server_request_startup(server, client)) {
php_cli_server_request_shutdown(server, client);
return SUCCESS;
}
}
if (server->router) {
if (!php_cli_server_dispatch_router(server, client)) {
php_cli_server_request_shutdown(server, client);
return SUCCESS;
}
}
if (!is_static_file) {
// TODO What?
if (SUCCESS == php_cli_server_dispatch_script(server, client)
|| FAILURE == php_cli_server_send_error_page(server, client, 500)) {
if (SG(sapi_headers).http_response_code == 304) {
SG(sapi_headers).send_default_content_type = 0;
}
php_cli_server_request_shutdown(server, client);
return SUCCESS;
}
} else {
if (server->router) {
static int (*send_header_func)(sapi_headers_struct *);
send_header_func = sapi_module.send_headers;
/* do not generate default content type header */
SG(sapi_headers).send_default_content_type = 0;
/* we don't want headers to be sent */
sapi_module.send_headers = sapi_cli_server_discard_headers;
php_request_shutdown(0);
sapi_module.send_headers = send_header_func;
SG(sapi_headers).send_default_content_type = 1;
SG(rfc1867_uploaded_files) = NULL;
}
if (FAILURE == php_cli_server_begin_send_static(server, client)) {
php_cli_server_close_connection(server, client);
}
SG(server_context) = NULL;
return SUCCESS;
}
SG(server_context) = NULL;
destroy_request_info(&SG(request_info));
return SUCCESS;
}
/* }}} */
static void php_cli_server_mime_type_ctor(php_cli_server *server, const php_cli_server_ext_mime_type_pair *mime_type_map) /* {{{ */
{
const php_cli_server_ext_mime_type_pair *pair;
zend_hash_init(&server->extension_mime_types, 0, NULL, NULL, 1);
for (pair = mime_type_map; pair->ext; pair++) {
size_t ext_len = strlen(pair->ext);
zend_hash_str_add_ptr(&server->extension_mime_types, pair->ext, ext_len, (void*)pair->mime_type);
}
} /* }}} */
static void php_cli_server_dtor(php_cli_server *server) /* {{{ */
{
zend_hash_destroy(&server->clients);
zend_hash_destroy(&server->extension_mime_types);
if (ZEND_VALID_SOCKET(server->server_sock)) {
closesocket(server->server_sock);
}
if (server->host) {
pefree(server->host, 1);
}
if (server->document_root) {
pefree(server->document_root, 1);
}
if (server->router) {
pefree(server->router, 1);
}
#if HAVE_FORK
if (php_cli_server_workers_max > 1 &&
php_cli_server_workers &&
getpid() == php_cli_server_master) {
zend_long php_cli_server_worker;
for (php_cli_server_worker = 0;
php_cli_server_worker < php_cli_server_workers_max;
php_cli_server_worker++) {
int php_cli_server_worker_status;
do {
if (waitpid(php_cli_server_workers[php_cli_server_worker],
&php_cli_server_worker_status,
0) == FAILURE) {
/* an extremely bad thing happened */
break;
}
} while (!WIFEXITED(php_cli_server_worker_status) &&
!WIFSIGNALED(php_cli_server_worker_status));
}
pefree(php_cli_server_workers, 1);
}
#endif
} /* }}} */
static void php_cli_server_client_dtor_wrapper(zval *zv) /* {{{ */
{
php_cli_server_client *p = Z_PTR_P(zv);
shutdown(p->sock, SHUT_RDWR);
closesocket(p->sock);
php_cli_server_poller_remove(&p->server->poller, POLLIN | POLLOUT, p->sock);
php_cli_server_client_dtor(p);
pefree(p, 1);
} /* }}} */
/**
* Parse the host and port portions of an address specifier in
* one of the following forms:
* - hostOrIP:port
* - [hostOrIP]:port
*/
static char *php_cli_server_parse_addr(const char *addr, int *pport) {
const char *p, *end;
long port;
if (addr[0] == '[') {
/* Encapsulated [hostOrIP]:port */
const char *start = addr + 1;
end = strchr(start, ']');
if (!end) {
/* No ending ] delimiter to match [ */
return NULL;
}
p = end + 1;
if (*p != ':') {
/* Invalid char following address/missing port */
return NULL;
}
port = strtol(p + 1, (char**)&p, 10);
if (p && *p) {
/* Non-numeric in port */
return NULL;
}
if (port < 0 || port > 65535) {
/* Invalid port */
return NULL;
}
/* Full [hostOrIP]:port provided */
*pport = (int)port;
return pestrndup(start, end - start, 1);
}
end = strchr(addr, ':');
if (!end) {
/* Missing port */
return NULL;
}
port = strtol(end + 1, (char**)&p, 10);
if (p && *p) {
/* Non-numeric port */
return NULL;
}
if (port < 0 || port > 65535) {
/* Invalid port */
return NULL;
}
*pport = (int)port;
return pestrndup(addr, end - addr, 1);
}
static void php_cli_server_startup_workers(void) {
char *workers = getenv("PHP_CLI_SERVER_WORKERS");
if (!workers) {
return;
}
#if HAVE_FORK
php_cli_server_workers_max = ZEND_ATOL(workers);
if (php_cli_server_workers_max > 1) {
zend_long php_cli_server_worker;
php_cli_server_workers = pecalloc(
php_cli_server_workers_max, sizeof(pid_t), 1);
php_cli_server_master = getpid();
for (php_cli_server_worker = 0;
php_cli_server_worker < php_cli_server_workers_max;
php_cli_server_worker++) {
pid_t pid = fork();
if (pid < 0) {
/* no more forks allowed, work with what we have ... */
php_cli_server_workers_max =
php_cli_server_worker + 1;
return;
} else if (pid == 0) {
return;
} else {
php_cli_server_workers[php_cli_server_worker] = pid;
}
}
} else {
fprintf(stderr, "number of workers must be larger than 1\n");
}
#else
fprintf(stderr, "forking is not supported on this platform\n");
#endif
}
static zend_result php_cli_server_ctor(php_cli_server *server, const char *addr, const char *document_root, const char *router) /* {{{ */
{
zend_result retval = SUCCESS;
char *host = NULL;
zend_string *errstr = NULL;
char *_document_root = NULL;
char *_router = NULL;
int port = 3000;
php_socket_t server_sock = SOCK_ERR;
host = php_cli_server_parse_addr(addr, &port);
if (!host) {
fprintf(stderr, "Invalid address: %s\n", addr);
retval = FAILURE;
goto out;
}
server_sock = php_network_listen_socket(host, &port, SOCK_STREAM, &server->address_family, &server->socklen, &errstr);
if (server_sock == SOCK_ERR) {
php_cli_server_logf(PHP_CLI_SERVER_LOG_ERROR, "Failed to listen on %s:%d (reason: %s)", host, port, errstr ? ZSTR_VAL(errstr) : "?");
if (errstr) {
zend_string_release_ex(errstr, 0);
}
retval = FAILURE;
goto out;
}
// server_sock needs to be non-blocking when using multiple processes. Without it, the first process would
// successfully accept the connection but the others would block, causing client sockets of the same select
// call not to be handled.
if (SUCCESS != php_set_sock_blocking(server_sock, 0)) {
php_cli_server_logf(PHP_CLI_SERVER_LOG_ERROR, "Failed to make server socket non-blocking");
retval = FAILURE;
goto out;
}
server->server_sock = server_sock;
php_cli_server_startup_workers();
php_cli_server_poller_ctor(&server->poller);
php_cli_server_poller_add(&server->poller, POLLIN, server_sock);
server->host = host;
server->port = port;
zend_hash_init(&server->clients, 0, NULL, php_cli_server_client_dtor_wrapper, 1);
{
size_t document_root_len = strlen(document_root);
_document_root = pestrndup(document_root, document_root_len, 1);
server->document_root = _document_root;
server->document_root_len = document_root_len;
}
if (router) {
size_t router_len = strlen(router);
_router = pestrndup(router, router_len, 1);
server->router = _router;
server->router_len = router_len;
} else {
server->router = NULL;
server->router_len = 0;
}
php_cli_server_mime_type_ctor(server, mime_type_map);
server->is_running = 1;
out:
if (retval == FAILURE) {
if (host) {
pefree(host, 1);
}
if (_document_root) {
pefree(_document_root, 1);
}
if (_router) {
pefree(_router, 1);
}
if (server_sock > -1) {
closesocket(server_sock);
}
}
return retval;
} /* }}} */
static zend_result php_cli_server_recv_event_read_request(php_cli_server *server, php_cli_server_client *client) /* {{{ */
{
char *errstr = NULL;
switch (php_cli_server_client_read_request(client, &errstr)) {
case -1:
if (errstr) {
if (strcmp(errstr, php_cli_server_request_error_unexpected_eof) == 0 && client->parser.state == s_start_req) {
php_cli_server_logf(PHP_CLI_SERVER_LOG_MESSAGE,
"%s Closed without sending a request; it was probably just an unused speculative preconnection", ZSTR_VAL(client->addr_str));
} else {
php_cli_server_logf(PHP_CLI_SERVER_LOG_ERROR, "%s Invalid request (%s)", ZSTR_VAL(client->addr_str), errstr);
}
efree(errstr);
}
php_cli_server_close_connection(server, client);
return FAILURE;
case 1:
if (client->request.request_method == PHP_HTTP_NOT_IMPLEMENTED) {
return php_cli_server_send_error_page(server, client, 501);
}
php_cli_server_poller_remove(&server->poller, POLLIN, client->sock);
php_cli_server_dispatch(server, client);
return SUCCESS;
case 0:
php_cli_server_poller_add(&server->poller, POLLIN, client->sock);
return SUCCESS;
EMPTY_SWITCH_DEFAULT_CASE();
}
/* Under ASAN the compiler somehow doesn't realise that the switch block always returns */
return FAILURE;
} /* }}} */
static zend_result php_cli_server_send_event(php_cli_server *server, php_cli_server_client *client) /* {{{ */
{
if (client->content_sender_initialized) {
if (client->file_fd >= 0 && !client->content_sender.buffer.first) {
size_t nbytes_read;
if (!php_cli_server_content_sender_pull(&client->content_sender, client->file_fd, &nbytes_read)) {
php_cli_server_close_connection(server, client);
return FAILURE;
}
if (nbytes_read == 0) {
close(client->file_fd);
client->file_fd = -1;
}
}
size_t nbytes_sent;
int err = php_cli_server_content_sender_send(&client->content_sender, client->sock, &nbytes_sent);
if (err && err != SOCK_EAGAIN) {
php_cli_server_close_connection(server, client);
return FAILURE;
}
if (!client->content_sender.buffer.first && client->file_fd < 0) {
php_cli_server_close_connection(server, client);
}
}
return SUCCESS;
}
/* }}} */
typedef struct php_cli_server_do_event_for_each_fd_callback_params {
php_cli_server *server;
zend_result(*rhandler)(php_cli_server*, php_cli_server_client*);
zend_result(*whandler)(php_cli_server*, php_cli_server_client*);
} php_cli_server_do_event_for_each_fd_callback_params;
// TODO return FAILURE on failure???
static zend_result php_cli_server_do_event_for_each_fd_callback(void *_params, php_socket_t fd, int event) /* {{{ */
{
php_cli_server_do_event_for_each_fd_callback_params *params = _params;
php_cli_server *server = params->server;
if (server->server_sock == fd) {
php_cli_server_client *client = NULL;
php_socket_t client_sock;
socklen_t socklen = server->socklen;
struct sockaddr *sa = pemalloc(server->socklen, 1);
client_sock = accept(server->server_sock, sa, &socklen);
if (!ZEND_VALID_SOCKET(client_sock)) {
int err = php_socket_errno();
if (err != SOCK_EAGAIN && php_cli_server_log_level >= PHP_CLI_SERVER_LOG_ERROR) {
char *errstr = php_socket_strerror(php_socket_errno(), NULL, 0);
php_cli_server_logf(PHP_CLI_SERVER_LOG_ERROR,
"Failed to accept a client (reason: %s)", errstr);
efree(errstr);
}
pefree(sa, 1);
return SUCCESS;
}
if (SUCCESS != php_set_sock_blocking(client_sock, 0)) {
pefree(sa, 1);
closesocket(client_sock);
return SUCCESS;
}
client = pemalloc(sizeof(php_cli_server_client), 1);
php_cli_server_client_ctor(client, server, client_sock, sa, socklen);
php_cli_server_logf(PHP_CLI_SERVER_LOG_MESSAGE, "%s Accepted", ZSTR_VAL(client->addr_str));
zend_hash_index_update_ptr(&server->clients, client_sock, client);
php_cli_server_poller_add(&server->poller, POLLIN, client->sock);
} else {
php_cli_server_client *client;
if (NULL != (client = zend_hash_index_find_ptr(&server->clients, fd))) {
if (event & POLLIN) {
params->rhandler(server, client);
}
if (event & POLLOUT) {
params->whandler(server, client);
}
}
}
return SUCCESS;
} /* }}} */
static void php_cli_server_do_event_for_each_fd(php_cli_server *server,
zend_result(*rhandler)(php_cli_server*, php_cli_server_client*),
zend_result(*whandler)(php_cli_server*, php_cli_server_client*)) /* {{{ */
{
php_cli_server_do_event_for_each_fd_callback_params params = {
server,
rhandler,
whandler
};
php_cli_server_poller_iter_on_active(&server->poller, &params, php_cli_server_do_event_for_each_fd_callback);
} /* }}} */
// TODO Return value of function is not used
static zend_result php_cli_server_do_event_loop(php_cli_server *server) /* {{{ */
{
zend_result retval = SUCCESS;
while (server->is_running) {
struct timeval tv = { 1, 0 };
int n = php_cli_server_poller_poll(&server->poller, &tv);
if (n > 0) {
php_cli_server_do_event_for_each_fd(server,
php_cli_server_recv_event_read_request,
php_cli_server_send_event);
} else if (n == 0) {
/* do nothing */
} else {
int err = php_socket_errno();
if (err != SOCK_EINTR) {
if (php_cli_server_log_level >= PHP_CLI_SERVER_LOG_ERROR) {
char *errstr = php_socket_strerror(err, NULL, 0);
php_cli_server_logf(PHP_CLI_SERVER_LOG_ERROR, "%s", errstr);
efree(errstr);
}
retval = FAILURE;
goto out;
}
}
}
out:
return retval;
} /* }}} */
static php_cli_server server;
static void php_cli_server_sigint_handler(int sig) /* {{{ */
{
server.is_running = 0;
}
/* }}} */
/* Returns status code */
int do_cli_server(int argc, char **argv) /* {{{ */
{
char *php_optarg = NULL;
int php_optind = 1;
int c;
const char *server_bind_address = NULL;
extern const opt_struct OPTIONS[];
const char *document_root = NULL;
#ifdef PHP_WIN32
char document_root_tmp[MAXPATHLEN];
size_t k;
#endif
const char *router = NULL;
char document_root_buf[MAXPATHLEN];
while ((c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0, 2))!=-1) {
switch (c) {
case 'S':
server_bind_address = php_optarg;
break;
case 't':
#ifndef PHP_WIN32
document_root = php_optarg;
#else
k = strlen(php_optarg);
if (k + 1 > MAXPATHLEN) {
fprintf(stderr, "Document root path is too long.\n");
return 1;
}
memmove(document_root_tmp, php_optarg, k + 1);
/* Clean out any trailing garbage that might have been passed
from a batch script. */
do {
document_root_tmp[k] = '\0';
k--;
} while ('"' == document_root_tmp[k] || ' ' == document_root_tmp[k]);
document_root = document_root_tmp;
#endif
break;
case 'q':
if (php_cli_server_log_level > 1) {
php_cli_server_log_level--;
}
break;
}
}
if (document_root) {
zend_stat_t sb = {0};
if (php_sys_stat(document_root, &sb)) {
fprintf(stderr, "Directory %s does not exist.\n", document_root);
return 1;
}
if (!S_ISDIR(sb.st_mode)) {
fprintf(stderr, "%s is not a directory.\n", document_root);
return 1;
}
if (VCWD_REALPATH(document_root, document_root_buf)) {
document_root = document_root_buf;
}
} else {
char *ret = NULL;
#if HAVE_GETCWD
ret = VCWD_GETCWD(document_root_buf, MAXPATHLEN);
#elif HAVE_GETWD
ret = VCWD_GETWD(document_root_buf);
#endif
document_root = ret ? document_root_buf: ".";
}
if (argc > php_optind) {
router = argv[php_optind];
}
if (FAILURE == php_cli_server_ctor(&server, server_bind_address, document_root, router)) {
return 1;
}
sapi_module.phpinfo_as_text = 0;
{
bool ipv6 = strchr(server.host, ':');
php_cli_server_logf(
PHP_CLI_SERVER_LOG_PROCESS,
"PHP %s Development Server (http://%s%s%s:%d) started",
PHP_VERSION, ipv6 ? "[" : "", server.host,
ipv6 ? "]" : "", server.port);
}
#if defined(SIGINT)
signal(SIGINT, php_cli_server_sigint_handler);
#endif
#if defined(SIGPIPE)
signal(SIGPIPE, SIG_IGN);
#endif
zend_signal_init();
php_cli_server_do_event_loop(&server);
php_cli_server_dtor(&server);
return 0;
} /* }}} */
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