root/sapi/cli/php_cli_server.c

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DEFINITIONS

This source file includes following definitions.
  1. php_cli_server_get_system_time
  2. php_cli_server_get_system_time
  3. char_ptr_dtor_p
  4. get_last_error
  5. status_comp
  6. get_status_string
  7. get_template_string
  8. append_http_status_line
  9. append_essential_headers
  10. get_mime_type
  11. PHP_FUNCTION
  12. add_response_header
  13. PHP_FUNCTION
  14. cli_server_init_globals
  15. PHP_INI_BEGIN
  16. PHP_MSHUTDOWN_FUNCTION
  17. PHP_MINFO_FUNCTION
  18. sapi_cli_server_startup
  19. sapi_cli_server_ub_write
  20. sapi_cli_server_flush
  21. sapi_cli_server_discard_headers
  22. sapi_cli_server_send_headers
  23. sapi_cli_server_read_cookies
  24. sapi_cli_server_read_post
  25. sapi_cli_server_register_variable
  26. sapi_cli_server_register_entry_cb
  27. sapi_cli_server_register_variables
  28. sapi_cli_server_log_message
  29. php_cli_server_poller_ctor
  30. php_cli_server_poller_add
  31. php_cli_server_poller_remove
  32. php_cli_server_poller_poll
  33. php_cli_server_poller_iter_on_active
  34. php_cli_server_chunk_size
  35. php_cli_server_chunk_dtor
  36. php_cli_server_buffer_dtor
  37. php_cli_server_buffer_ctor
  38. php_cli_server_buffer_append
  39. php_cli_server_buffer_prepend
  40. php_cli_server_buffer_size
  41. php_cli_server_chunk_immortal_new
  42. php_cli_server_chunk_heap_new
  43. php_cli_server_chunk_heap_new_self_contained
  44. php_cli_server_content_sender_dtor
  45. php_cli_server_content_sender_ctor
  46. php_cli_server_content_sender_send
  47. php_cli_server_content_sender_pull
  48. php_cli_is_output_tty
  49. php_cli_server_log_response
  50. php_cli_server_logf
  51. php_network_listen_socket
  52. php_cli_server_request_ctor
  53. php_cli_server_request_dtor
  54. php_cli_server_request_translate_vpath
  55. normalize_vpath
  56. php_cli_server_client_read_request_on_message_begin
  57. php_cli_server_client_read_request_on_path
  58. php_cli_server_client_read_request_on_query_string
  59. php_cli_server_client_read_request_on_url
  60. php_cli_server_client_read_request_on_fragment
  61. php_cli_server_client_read_request_on_header_field
  62. php_cli_server_client_read_request_on_header_value
  63. php_cli_server_client_read_request_on_headers_complete
  64. php_cli_server_client_read_request_on_body
  65. php_cli_server_client_read_request_on_message_complete
  66. php_cli_server_client_read_request
  67. php_cli_server_client_send_through
  68. php_cli_server_client_populate_request_info
  69. destroy_request_info
  70. php_cli_server_client_ctor
  71. php_cli_server_client_dtor
  72. php_cli_server_close_connection
  73. php_cli_server_send_error_page
  74. php_cli_server_dispatch_script
  75. php_cli_server_begin_send_static
  76. php_cli_server_request_startup
  77. php_cli_server_request_shutdown
  78. php_cli_server_dispatch_router
  79. php_cli_server_dispatch
  80. php_cli_server_dtor
  81. php_cli_server_client_dtor_wrapper
  82. php_cli_server_ctor
  83. php_cli_server_recv_event_read_request
  84. php_cli_server_send_event
  85. php_cli_server_do_event_for_each_fd_callback
  86. php_cli_server_do_event_for_each_fd
  87. php_cli_server_do_event_loop
  88. php_cli_server_sigint_handler
  89. do_cli_server

/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2015 The PHP Group                                |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Author: Moriyoshi Koizumi <moriyoshi@php.net>                        |
   |         Xinchen Hui       <laruence@php.net>                         |
   +----------------------------------------------------------------------+
*/

/* $Id: php_cli.c 306938 2011-01-01 02:17:06Z felipe $ */

#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_TIME_H
#include <time.h>
#endif
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if HAVE_SIGNAL_H
#include <signal.h>
#endif
#if HAVE_SETLOCALE
#include <locale.h>
#endif
#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 "zend_compile.h"
#include "zend_execute.h"
#include "zend_highlight.h"
#include "zend_indent.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

#ifndef S_ISDIR
#define S_ISDIR(mode)   (((mode)&S_IFMT) == S_IFDIR)
#endif

#include "ext/standard/file.h" /* for php_set_sock_blocking() :-( */
#include "ext/standard/php_smart_str.h"
#include "ext/standard/html.h"
#include "ext/standard/url.h" /* for php_url_decode() */
#include "ext/standard/php_string.h" /* for php_dirname() */
#include "php_network.h"

#include "php_http_parser.h"
#include "php_cli_server.h"

#include "php_cli_process_title.h"

#define OUTPUT_NOT_CHECKED -1
#define OUTPUT_IS_TTY 1
#define OUTPUT_NOT_TTY 0

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;
        char *request_uri;
        size_t request_uri_len;
        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;
        struct stat 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;
        char *addr_str;
        size_t addr_str_len;
        php_http_parser parser;
        unsigned int request_read:1;
        char *current_header_name;
        size_t current_header_name_len;
        unsigned int current_header_name_allocated:1;
        size_t post_read_offset;
        php_cli_server_request request;
        unsigned int content_sender_initialized:1;
        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;
} 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;

typedef struct php_cli_server_ext_mime_type_pair {
        const char *ext;
        const char *mime_type;
} php_cli_server_ext_mime_type_pair;

static php_cli_server_http_response_status_code_pair status_map[] = {
        { 100, "Continue" },
        { 101, "Switching Protocols" },
        { 200, "OK" },
        { 201, "Created" },
        { 202, "Accepted" },
        { 203, "Non-Authoritative Information" },
        { 204, "No Content" },
        { 205, "Reset Content" },
        { 206, "Partial Content" },
        { 300, "Multiple Choices" },
        { 301, "Moved Permanently" },
        { 302, "Found" },
        { 303, "See Other" },
        { 304, "Not Modified" },
        { 305, "Use Proxy" },
        { 307, "Temporary Redirect" },
        { 308, "Permanent Redirect" },
        { 400, "Bad Request" },
        { 401, "Unauthorized" },
        { 402, "Payment Required" },
        { 403, "Forbidden" },
        { 404, "Not Found" },
        { 405, "Method Not Allowed" },
        { 406, "Not Acceptable" },
        { 407, "Proxy Authentication Required" },
        { 408, "Request Timeout" },
        { 409, "Conflict" },
        { 410, "Gone" },
        { 411, "Length Required" },
        { 412, "Precondition Failed" },
        { 413, "Request Entity Too Large" },
        { 414, "Request-URI Too Long" },
        { 415, "Unsupported Media Type" },
        { 416, "Requested Range Not Satisfiable" },
        { 417, "Expectation Failed" },
        { 426, "Upgrade Required" },
        { 428, "Precondition Required" },
        { 429, "Too Many Requests" },
        { 431, "Request Header Fields Too Large" },
        { 500, "Internal Server Error" },
        { 501, "Not Implemented" },
        { 502, "Bad Gateway" },
        { 503, "Service Unavailable" },
        { 504, "Gateway Timeout" },
        { 505, "HTTP Version Not Supported" },
        { 511, "Network Authentication Required" },
};

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>" },
        { 500, "<h1>%s</h1><p>The server is temporarily unavailable.</p>" },
        { 501, "<h1>%s</h1><p>Request method not supported.</p>" }
};

static php_cli_server_ext_mime_type_pair mime_type_map[] = {
        { "html", "text/html" },
        { "htm", "text/html" },
        { "js", "text/javascript" },
        { "css", "text/css" },
        { "gif", "image/gif" },
        { "jpg", "image/jpeg" },
        { "jpeg", "image/jpeg" },
        { "jpe", "image/jpeg" },
        { "pdf", "application/pdf" },
        { "png", "image/png" },
        { "svg", "image/svg+xml" },
        { "txt", "text/plain" },
        { "webm", "video/webm" },
        { "ogv", "video/ogg" },
        { "ogg", "audio/ogg" },
        { "3gp", "video/3gpp" },    /* This is standard video format used for MMS in phones */
        { "apk", "application/vnd.android.package-archive" },
        { "avi", "video/x-msvideo" },
        { "bmp", "image/x-ms-bmp" },
        { "csv", "text/comma-separated-values" },
        { "doc", "application/msword" },
        { "docx", "application/msword" },
        { "flac", "audio/flac" },
        { "gz",  "application/x-gzip" },
        { "gzip", "application/x-gzip" },
        { "ics", "text/calendar" },
        { "kml", "application/vnd.google-earth.kml+xml" },
        { "kmz", "application/vnd.google-earth.kmz" },
        { "m4a", "audio/mp4" },
        { "mp3", "audio/mpeg" },
        { "mp4", "video/mp4" },
        { "mpg", "video/mpeg" },
        { "mpeg", "video/mpeg" },
        { "mov", "video/quicktime" },
        { "odp", "application/vnd.oasis.opendocument.presentation" },
        { "ods", "application/vnd.oasis.opendocument.spreadsheet" },
        { "odt", "application/vnd.oasis.opendocument.text" },
        { "oga", "audio/ogg" },
        { "pdf", "application/pdf" },
        { "pptx", "application/vnd.ms-powerpoint" },
        { "pps", "application/vnd.ms-powerpoint" },
        { "qt", "video/quicktime" },
        { "swf", "application/x-shockwave-flash" },
        { "tar", "application/x-tar" },
        { "text", "text/plain" },
        { "tif", "image/tiff" },
        { "wav", "audio/wav" },
        { "wmv", "video/x-ms-wmv" },
        { "xls", "application/vnd.ms-excel" },
        { "xlsx", "application/vnd.ms-excel" },
        { "zip", "application/x-zip-compressed" },
        { "xml", "application/xml" },
        { "xsl", "application/xml" },
        { "xsd", "application/xml" },
        { NULL, NULL }
};

static int php_cli_output_is_tty = OUTPUT_NOT_CHECKED;

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(const char *format TSRMLS_DC, ...);
static void php_cli_server_log_response(php_cli_server_client *client, int status, const char *message TSRMLS_DC);

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
int php_cli_server_get_system_time(char *buf) {
        struct _timeb system_time;
        errno_t err;

        if (buf == NULL) {
                return -1;
        }

        _ftime(&system_time);
        err = ctime_s(buf, 52, &(system_time.time) );
        if (err) {
                return -1;
        }
        return 0;
}
#else
int 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 vaue */
        php_localtime_r(&tv.tv_sec, &tm);
        php_asctime_r(&tm, buf);
        return 0;
}
#endif

static void char_ptr_dtor_p(char **p) /* {{{ */
{
        pefree(*p, 1);
} /* }}} */

static char *get_last_error() /* {{{ */
{
        return pestrdup(strerror(errno), 1);
} /* }}} */

static int status_comp(const void *a, const void *b) /* {{{ */
{
        const php_cli_server_http_response_status_code_pair *pa = (const php_cli_server_http_response_status_code_pair *) a;
        const php_cli_server_http_response_status_code_pair *pb = (const php_cli_server_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) /* {{{ */
{
        php_cli_server_http_response_status_code_pair needle, *result = NULL;

        needle.code = code;
        needle.str = NULL;

        result = bsearch(&needle, status_map, sizeof(status_map) / sizeof(needle), 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, int persistent) /* {{{ */
{
        if (!response_code) {
                response_code = 200;
        }
        smart_str_appendl_ex(buffer, "HTTP", 4, persistent);
        smart_str_appendc_ex(buffer, '/', persistent);
        smart_str_append_generic_ex(buffer, protocol_version / 100, persistent, int, _unsigned);
        smart_str_appendc_ex(buffer, '.', persistent);
        smart_str_append_generic_ex(buffer, protocol_version % 100, persistent, int, _unsigned);
        smart_str_appendc_ex(buffer, ' ', persistent);
        smart_str_append_generic_ex(buffer, response_code, persistent, int, _unsigned);
        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, int persistent) /* {{{ */
{
        {
                char **val;
                if (SUCCESS == zend_hash_find(&client->request.headers, "host", sizeof("host"), (void**)&val)) {
                        smart_str_appendl_ex(buffer, "Host", sizeof("Host") - 1, persistent);
                        smart_str_appendl_ex(buffer, ": ", sizeof(": ") - 1, persistent);
                        smart_str_appends_ex(buffer, *val, persistent);
                        smart_str_appendl_ex(buffer, "\r\n", 2, persistent);
                }
        }
        smart_str_appendl_ex(buffer, "Connection: close\r\n", sizeof("Connection: close\r\n") - 1, persistent);
} /* }}} */

static const char *get_mime_type(const char *ext, size_t ext_len) /* {{{ */
{
        php_cli_server_ext_mime_type_pair *pair;
        for (pair = mime_type_map; pair->ext; pair++) {
                size_t len = strlen(pair->ext);
                if (len == ext_len && memcmp(pair->ext, ext, len) == 0) {
                        return pair->mime_type;
                }
        }
        return NULL;
} /* }}} */

PHP_FUNCTION(apache_request_headers) /* {{{ */
{
        php_cli_server_client *client;
        HashTable *headers;
        char *key;
        uint key_len;
        char **value_pointer;
        HashPosition pos;

        if (zend_parse_parameters_none() == FAILURE) {
                return;
        }

        client = SG(server_context);
        headers = &client->request.headers_original_case;

        array_init_size(return_value, zend_hash_num_elements(headers));

        zend_hash_internal_pointer_reset_ex(headers, &pos);
        while (zend_hash_get_current_data_ex(headers, (void **)&value_pointer, &pos) == SUCCESS) {
                zend_hash_get_current_key_ex(headers, &key, &key_len, NULL, 0, &pos);
                add_assoc_string_ex(return_value, key, key_len, *value_pointer, 1);
                zend_hash_move_forward_ex(headers, &pos);
        }
}
/* }}} */

static void add_response_header(sapi_header_struct *h, zval *return_value TSRMLS_DC) /* {{{ */
{
        char *s, *p;
        int  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, len+1, p, h->header_len - (p - h->header), 1);
                                free_alloca(s, use_heap);
                        }
                }
        }
}
/* }}} */

PHP_FUNCTION(apache_response_headers) /* {{{ */
{
        if (zend_parse_parameters_none() == FAILURE) {
                return;
        }

        if (!&SG(sapi_headers).headers) {
                RETURN_FALSE;
        }
        array_init(return_value);
        zend_llist_apply_with_argument(&SG(sapi_headers).headers, (llist_apply_with_arg_func_t)add_response_header, return_value TSRMLS_CC);
}
/* }}} */

/* {{{ cli_server module
 */

static void cli_server_init_globals(zend_cli_server_globals *cg TSRMLS_DC)
{
        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
};
/* }}} */

ZEND_BEGIN_ARG_INFO(arginfo_no_args, 0)
ZEND_END_ARG_INFO()

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_no_args)
        PHP_FE(apache_response_headers, arginfo_no_args)
        PHP_FALIAS(getallheaders, apache_request_headers, arginfo_no_args)
        {NULL, NULL, NULL}
};

static int sapi_cli_server_startup(sapi_module_struct *sapi_module) /* {{{ */
{
        if (php_module_startup(sapi_module, &cli_server_module_entry, 1) == FAILURE) {
                return FAILURE;
        }
        return SUCCESS;
} /* }}} */

static int sapi_cli_server_ub_write(const char *str, uint str_length TSRMLS_DC) /* {{{ */
{
        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;
        TSRMLS_FETCH();

        if (!client) {
                return;
        }

        if (client->sock < 0) {
                php_handle_aborted_connection();
                return;
        }

        if (!SG(headers_sent)) {
                sapi_send_headers(TSRMLS_C);
                SG(headers_sent) = 1;
        }
} /* }}} */

static int sapi_cli_server_discard_headers(sapi_headers_struct *sapi_headers TSRMLS_DC) /* {{{ */{
        return SAPI_HEADER_SENT_SUCCESSFULLY;
}
/* }}} */

static int sapi_cli_server_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC) /* {{{ */
{
        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, buffer.c, buffer.len);

        smart_str_free(&buffer);
        return SAPI_HEADER_SENT_SUCCESSFULLY;
}
/* }}} */

static char *sapi_cli_server_read_cookies(TSRMLS_D) /* {{{ */
{
        php_cli_server_client *client = SG(server_context);
        char **val;
        if (FAILURE == zend_hash_find(&client->request.headers, "cookie", sizeof("cookie"), (void**)&val)) {
                return NULL;
        }
        return *val;
} /* }}} */

static int sapi_cli_server_read_post(char *buf, uint count_bytes TSRMLS_DC) /* {{{ */
{
        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 TSRMLS_DC) /* {{{ */
{
        char *new_val = (char *)val;
        uint new_val_len;

        if (NULL == val) {
                return;
        }

        if (sapi_module.input_filter(PARSE_SERVER, (char*)key, &new_val, strlen(val), &new_val_len TSRMLS_CC)) {
                php_register_variable_safe((char *)key, new_val, new_val_len, track_vars_array TSRMLS_CC);
        }
} /* }}} */

static int sapi_cli_server_register_entry_cb(char **entry TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */ {
        zval *track_vars_array = va_arg(args, zval *);
        if (hash_key->nKeyLength) {
                char *real_key, *key;
                uint i;
                key = estrndup(hash_key->arKey, hash_key->nKeyLength);
                for(i=0; i<hash_key->nKeyLength; i++) {
                        if (key[i] == '-') {
                                key[i] = '_';
                        } else {
                                key[i] = toupper(key[i]);
                        }
                }
                spprintf(&real_key, 0, "%s_%s", "HTTP", key);
                sapi_cli_server_register_variable(track_vars_array, real_key, *entry TSRMLS_CC);
                efree(key);
                efree(real_key);
        }

        return ZEND_HASH_APPLY_KEEP;
}
/* }}} */

static void sapi_cli_server_register_variables(zval *track_vars_array TSRMLS_DC) /* {{{ */
{
        php_cli_server_client *client = SG(server_context);
        sapi_cli_server_register_variable(track_vars_array, "DOCUMENT_ROOT", client->server->document_root TSRMLS_CC);
        {
                char *tmp;
                if ((tmp = strrchr(client->addr_str, ':'))) {
                        char addr[64], port[8];
                        strncpy(port, tmp + 1, 8);
                        port[7] = '\0';
                        strncpy(addr, client->addr_str, tmp - client->addr_str);
                        addr[tmp - client->addr_str] = '\0';
                        sapi_cli_server_register_variable(track_vars_array, "REMOTE_ADDR", addr TSRMLS_CC);
                        sapi_cli_server_register_variable(track_vars_array, "REMOTE_PORT", port TSRMLS_CC);
                } else {
                        sapi_cli_server_register_variable(track_vars_array, "REMOTE_ADDR", client->addr_str TSRMLS_CC);
                }
        }
        {
                char *tmp;
                spprintf(&tmp, 0, "PHP %s Development Server", PHP_VERSION);
                sapi_cli_server_register_variable(track_vars_array, "SERVER_SOFTWARE", tmp TSRMLS_CC);
                efree(tmp);
        }
        {
                char *tmp;
                spprintf(&tmp, 0, "HTTP/%d.%d", client->request.protocol_version / 100, client->request.protocol_version % 100);
                sapi_cli_server_register_variable(track_vars_array, "SERVER_PROTOCOL", tmp TSRMLS_CC);
                efree(tmp);
        }
        sapi_cli_server_register_variable(track_vars_array, "SERVER_NAME", client->server->host TSRMLS_CC);
        {
                char *tmp;
                spprintf(&tmp, 0, "%i",  client->server->port);
                sapi_cli_server_register_variable(track_vars_array, "SERVER_PORT", tmp TSRMLS_CC);
                efree(tmp);
        }

        sapi_cli_server_register_variable(track_vars_array, "REQUEST_URI", client->request.request_uri TSRMLS_CC);
        sapi_cli_server_register_variable(track_vars_array, "REQUEST_METHOD", SG(request_info).request_method TSRMLS_CC);
        sapi_cli_server_register_variable(track_vars_array, "SCRIPT_NAME", client->request.vpath TSRMLS_CC);
        if (SG(request_info).path_translated) {
                sapi_cli_server_register_variable(track_vars_array, "SCRIPT_FILENAME", SG(request_info).path_translated TSRMLS_CC);
        } else if (client->server->router) {
                char *temp;
                spprintf(&temp, 0, "%s/%s", client->server->document_root, client->server->router);
                sapi_cli_server_register_variable(track_vars_array, "SCRIPT_FILENAME", temp TSRMLS_CC);
                efree(temp);
        }
        if (client->request.path_info) {
                sapi_cli_server_register_variable(track_vars_array, "PATH_INFO", client->request.path_info TSRMLS_CC);
        }
        if (client->request.path_info_len) {
                char *tmp;
                spprintf(&tmp, 0, "%s%s", client->request.vpath, client->request.path_info);
                sapi_cli_server_register_variable(track_vars_array, "PHP_SELF", tmp TSRMLS_CC);
                efree(tmp);
        } else {
                sapi_cli_server_register_variable(track_vars_array, "PHP_SELF", client->request.vpath TSRMLS_CC);
        }
        if (client->request.query_string) {
                sapi_cli_server_register_variable(track_vars_array, "QUERY_STRING", client->request.query_string TSRMLS_CC);
        }
        zend_hash_apply_with_arguments(&client->request.headers TSRMLS_CC, (apply_func_args_t)sapi_cli_server_register_entry_cb, 1, track_vars_array);
} /* }}} */

static void sapi_cli_server_log_message(char *msg TSRMLS_DC) /* {{{ */
{
        char buf[52];

        if (php_cli_server_get_system_time(buf) != 0) {
                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"));
                }
        }
        fprintf(stderr, "[%s] %s\n", buf, 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 int php_cli_server_poller_ctor(php_cli_server_poller *poller) /* {{{ */
{
        FD_ZERO(&poller->rfds);
        FD_ZERO(&poller->wfds);
        poller->max_fd = -1;
        return SUCCESS;
} /* }}} */

static void php_cli_server_poller_add(php_cli_server_poller *poller, int mode, int 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, int 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);
} /* }}} */

static int php_cli_server_poller_iter_on_active(php_cli_server_poller *poller, void *opaque, int(*callback)(void *, int fd, int events)) /* {{{ */
{
        int retval = SUCCESS;
#ifdef PHP_WIN32
        struct socket_entry {
                SOCKET fd;
                int events;
        } entries[FD_SETSIZE * 2];
        php_socket_t fd = 0;
        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);
        if (!chunk) {
                return NULL;
        }

        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(char *block, char *buf, size_t len) /* {{{ */
{
        php_cli_server_chunk *chunk = pemalloc(sizeof(php_cli_server_chunk), 1);
        if (!chunk) {
                return NULL;
        }

        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);
        if (!chunk) {
                return NULL;
        }

        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) {
                ssize_t nbytes_sent;
                next = chunk->next;

                switch (chunk->type) {
                case PHP_CLI_SERVER_CHUNK_HEAP:
                        nbytes_sent = send(fd, chunk->data.heap.p, chunk->data.heap.len, 0);
                        if (nbytes_sent < 0) {
                                *nbytes_sent_total = _nbytes_sent_total;
                                return php_socket_errno();
                        } else if (nbytes_sent == chunk->data.heap.len) {
                                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:
                        nbytes_sent = send(fd, chunk->data.immortal.p, chunk->data.immortal.len, 0);
                        if (nbytes_sent < 0) {
                                *nbytes_sent_total = _nbytes_sent_total;
                                return php_socket_errno();
                        } else if (nbytes_sent == chunk->data.immortal.len) {
                                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 int php_cli_server_content_sender_pull(php_cli_server_content_sender *sender, int fd, size_t *nbytes_read) /* {{{ */
{
        ssize_t _nbytes_read;
        php_cli_server_chunk *chunk = php_cli_server_chunk_heap_new_self_contained(131072);

        _nbytes_read = read(fd, chunk->data.heap.p, chunk->data.heap.len);
        if (_nbytes_read < 0) {
                char *errstr = get_last_error();
                TSRMLS_FETCH();
                php_cli_server_logf("%s" TSRMLS_CC, errstr);
                pefree(errstr, 1);
                php_cli_server_chunk_dtor(chunk);
                pefree(chunk, 1);
                return 1;
        }
        chunk->data.heap.len = _nbytes_read;
        php_cli_server_buffer_append(&sender->buffer, chunk);
        *nbytes_read = _nbytes_read;
        return 0;
} /* }}} */

#if HAVE_UNISTD_H
static int php_cli_is_output_tty() /* {{{ */
{
        if (php_cli_output_is_tty == OUTPUT_NOT_CHECKED) {
                php_cli_output_is_tty = isatty(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 TSRMLS_DC) /* {{{ */
{
        int color = 0, effective_status = status;
        char *basic_buf, *message_buf = "", *error_buf = "";
        zend_bool append_error_message = 0;

        if (PG(last_error_message)) {
                switch (PG(last_error_type)) {
                        case E_ERROR:
                        case E_CORE_ERROR:
                        case E_COMPILE_ERROR:
                        case E_USER_ERROR:
                        case E_PARSE:
                                if (status == 200) {
                                        /* the status code isn't changed by a fatal error, so fake it */
                                        effective_status = 500;
                                }

                                append_error_message = 1;
                                break;
                }
        }

#if HAVE_UNISTD_H
        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", client->addr_str, status, 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", PG(last_error_message), 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("\x1b[3%dm%s%s%s\x1b[0m" TSRMLS_CC, color, basic_buf, message_buf, error_buf);
        } else {
                php_cli_server_logf("%s%s%s" TSRMLS_CC, 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(const char *format TSRMLS_DC, ...) /* {{{ */
{
        char *buf = NULL;
        va_list ap;
#ifdef ZTS
        va_start(ap, tsrm_ls);
#else
        va_start(ap, format);
#endif
        vspprintf(&buf, 0, format, ap);
        va_end(ap);

        if (!buf) {
                return;
        }

        if (sapi_module.log_message) {
                sapi_module.log_message(buf TSRMLS_CC);
        }

        efree(buf);
} /* }}} */

static int php_network_listen_socket(const char *host, int *port, int socktype, int *af, socklen_t *socklen, char **errstr TSRMLS_DC) /* {{{ */
{
        int retval = SOCK_ERR;
        int err = 0;
        struct sockaddr *sa = NULL, **p, **sal;

        int num_addrs = php_network_getaddresses(host, socktype, &sal, errstr TSRMLS_CC);
        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);
                        if (!sa) {
                                closesocket(retval);
                                retval = SOCK_ERR;
                                *errstr = NULL;
                                goto out;
                        }
                        *(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);
                        if (!sa) {
                                closesocket(retval);
                                retval = SOCK_ERR;
                                *errstr = NULL;
                                goto out;
                        }
                        *(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 (retval >= 0) {
                        closesocket(retval);
                }
                if (errstr) {
                        *errstr = php_socket_strerror(err, NULL, 0);
                }
                return SOCK_ERR;
        }
        return retval;
} /* }}} */

static int php_cli_server_request_ctor(php_cli_server_request *req) /* {{{ */
{
        req->protocol_version = 0;
        req->request_uri = NULL;
        req->request_uri_len = 0;
        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, (void(*)(void*))char_ptr_dtor_p, 1);
        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;
        return SUCCESS;
} /* }}} */

static void php_cli_server_request_dtor(php_cli_server_request *req) /* {{{ */
{
        if (req->request_uri) {
                pefree(req->request_uri, 1);
        }
        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) /* {{{ */
{
        struct stat sb;
        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;

        if (!buf) {
                return;
        }

        memmove(p, document_root, document_root_len);
        p += document_root_len;
        vpath = p;
        if (request->vpath_len > 0 && 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 (!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 (!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
        {
                uint 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;

        decoded_vpath = pestrndup(vpath, vpath_len, persistent);
        if (!decoded_vpath) {
                return;
        }

        decoded_vpath_end = decoded_vpath + php_url_decode(decoded_vpath, vpath_len);

        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;
} /* }}} */

/* {{{ 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;
                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;
        client->request.query_string = pestrndup(at, length, 1);
        client->request.query_string_len = length;
        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;
        client->request.request_method = parser->method;
        client->request.request_uri = pestrndup(at, length, 1);
        client->request.request_uri_len = 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 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;
        if (client->current_header_name_allocated) {
                pefree(client->current_header_name, 1);
                client->current_header_name_allocated = 0;
        }
        client->current_header_name = (char *)at;
        client->current_header_name_len = length;
        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;
        char *value = pestrndup(at, length, 1);
        if (!value) {
                return 1;
        }
        {
                /* strip off the colon */
                char *orig_header_name = estrndup(client->current_header_name, client->current_header_name_len);
                char *lc_header_name = zend_str_tolower_dup(client->current_header_name, client->current_header_name_len);

                zend_hash_add(&client->request.headers, lc_header_name, client->current_header_name_len + 1, &value, sizeof(char *), NULL);
                zend_hash_add(&client->request.headers_original_case, orig_header_name, client->current_header_name_len + 1, &value, sizeof(char *), NULL);
                efree(lc_header_name);
                efree(orig_header_name);
        }

        if (client->current_header_name_allocated) {
                pefree(client->current_header_name, 1);
                client->current_header_name_allocated = 0;
        }
        return 0;
}

static int php_cli_server_client_read_request_on_headers_complete(php_http_parser *parser)
{
        php_cli_server_client *client = parser->data;
        if (client->current_header_name_allocated) {
                pefree(client->current_header_name, 1);
                client->current_header_name_allocated = 0;
        }
        client->current_header_name = NULL;
        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);
                if (!client->request.content) {
                        return -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 = 1;
        return 0;
}

static int php_cli_server_client_read_request(php_cli_server_client *client, char **errstr TSRMLS_DC)
{
        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;
                }
                *errstr = php_socket_strerror(err, NULL, 0);
                return -1;
        } else if (nbytes_read == 0) {
                *errstr = estrdup("Unexpected EOF");
                return -1;
        }
        client->parser.data = client;
        nbytes_consumed = php_http_parser_execute(&client->parser, &settings, buf, nbytes_read);
        if (nbytes_consumed != nbytes_read) {
                if (buf[0] & 0x80 /* SSLv2 */ || buf[0] == 0x16 /* SSLv3/TLSv1 */) {
                        *errstr = estrdup("Unsupported SSL request");
                } else {
                        *errstr = estrdup("Malformed HTTP request");
                }
                return -1;
        }
        if (client->current_header_name) {
                char *header_name = safe_pemalloc(client->current_header_name_len, 1, 1, 1);
                if (!header_name) {
                        return -1;
                }
                memmove(header_name, client->current_header_name, client->current_header_name_len);
                client->current_header_name = header_name;
                client->current_header_name_allocated = 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 };
        ssize_t nbytes_left = str_len;
        do {
                ssize_t 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 if (nfds < 0) {
                                        /* error */
                                        php_handle_aborted_connection();
                                        return nbytes_left;
                                } else {
                                        /* 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) /* {{{ */
{
        char **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 = 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 (SUCCESS == zend_hash_find(&client->request.headers, "content-type", sizeof("content-type"), (void**)&val)) {
                request_info->content_type = *val;
        }
} /* }}} */

static void destroy_request_info(sapi_request_info *request_info) /* {{{ */
{
} /* }}} */

static int php_cli_server_client_ctor(php_cli_server_client *client, php_cli_server *server, int client_sock, struct sockaddr *addr, socklen_t addr_len TSRMLS_DC) /* {{{ */
{
        client->server = server;
        client->sock = client_sock;
        client->addr = addr;
        client->addr_len = addr_len;
        {
                char *addr_str = 0;
                long addr_str_len = 0;
                php_network_populate_name_from_sockaddr(addr, addr_len, &addr_str, &addr_str_len, NULL, 0 TSRMLS_CC);
                client->addr_str = pestrndup(addr_str, addr_str_len, 1);
                client->addr_str_len = addr_str_len;
                efree(addr_str);
        }
        php_http_parser_init(&client->parser, PHP_HTTP_REQUEST);
        client->request_read = 0;
        client->current_header_name = NULL;
        client->current_header_name_len = 0;
        client->current_header_name_allocated = 0;
        client->post_read_offset = 0;
        if (FAILURE == php_cli_server_request_ctor(&client->request)) {
                return FAILURE;
        }
        client->content_sender_initialized = 0;
        client->file_fd = -1;
        return SUCCESS;
} /* }}} */

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);
        pefree(client->addr_str, 1);
        if (client->content_sender_initialized) {
                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 TSRMLS_DC) /* {{{ */
{
#ifdef DEBUG
        php_cli_server_logf("%s Closing" TSRMLS_CC, client->addr_str);
#endif
        zend_hash_index_del(&server->clients, client->sock);
} /* }}} */

static int php_cli_server_send_error_page(php_cli_server *server, php_cli_server_client *client, int status TSRMLS_DC) /* {{{ */
{
        char *escaped_request_uri = NULL;
        size_t escaped_request_uri_len;
        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 = 1;

        escaped_request_uri = php_escape_html_entities_ex((unsigned char *)client->request.request_uri, client->request.request_uri_len, &escaped_request_uri_len, 0, ENT_QUOTES, NULL, 0 TSRMLS_CC);

        {
                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, escaped_request_uri);
                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) + escaped_request_uri_len + 3 + strlen(status_string) + 1);
                if (!chunk) {
                        goto fail;
                }
                snprintf(chunk->data.heap.p, chunk->data.heap.len, content_template, status_string, 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.c) {
                        /* 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_generic_ex(&buffer, php_cli_server_buffer_size(&client->content_sender.buffer), 1, size_t, _unsigned);
                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.c, buffer.c, buffer.len);
                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 : "?" TSRMLS_CC);
        php_cli_server_poller_add(&server->poller, POLLOUT, client->sock);
        if (errstr) {
                pefree(errstr, 1);
        }
        efree(escaped_request_uri);
        return SUCCESS;

fail:
        if (errstr) {
                pefree(errstr, 1);
        }
        efree(escaped_request_uri);
        return FAILURE;
} /* }}} */

static int php_cli_server_dispatch_script(php_cli_server *server, php_cli_server_client *client TSRMLS_DC) /* {{{ */
{
        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 TSRMLS_CC);
        }
        {
                zend_file_handle zfd;
                zfd.type = ZEND_HANDLE_FILENAME;
                zfd.filename = SG(request_info).path_translated;
                zfd.handle.fp = NULL;
                zfd.free_filename = 0;
                zfd.opened_path = NULL;
                zend_try {
                        php_execute_script(&zfd TSRMLS_CC);
                } zend_end_try();
        }

        php_cli_server_log_response(client, SG(sapi_headers).http_response_code, NULL TSRMLS_CC);
        return SUCCESS;
} /* }}} */

static int php_cli_server_begin_send_static(php_cli_server *server, php_cli_server_client *client TSRMLS_DC) /* {{{ */
{
        int fd;
        int status = 200;

        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 TSRMLS_CC);
        }

        fd = client->request.path_translated ? open(client->request.path_translated, O_RDONLY): -1;
        if (fd < 0) {
                return php_cli_server_send_error_page(server, client, 404 TSRMLS_CC);
        }

        php_cli_server_content_sender_ctor(&client->content_sender);
        client->content_sender_initialized = 1;
        client->file_fd = fd;

        {
                php_cli_server_chunk *chunk;
                smart_str buffer = { 0 };
                const char *mime_type = get_mime_type(client->request.ext, client->request.ext_len);
                if (!mime_type) {
                        mime_type = "application/octet-stream";
                }

                append_http_status_line(&buffer, client->request.protocol_version, status, 1);
                if (!buffer.c) {
                        /* out of memory */
                        php_cli_server_log_response(client, 500, NULL TSRMLS_CC);
                        return FAILURE;
                }
                append_essential_headers(&buffer, client, 1);
                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_generic_ex(&buffer, client->request.sb.st_size, 1, size_t, _unsigned);
                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.c, buffer.c, buffer.len);
                if (!chunk) {
                        smart_str_free_ex(&buffer, 1);
                        php_cli_server_log_response(client, 500, NULL TSRMLS_CC);
                        return FAILURE;
                }
                php_cli_server_buffer_append(&client->content_sender.buffer, chunk);
        }
        php_cli_server_log_response(client, 200, NULL TSRMLS_CC);
        php_cli_server_poller_add(&server->poller, POLLOUT, client->sock);
        return SUCCESS;
}
/* }}} */

static int php_cli_server_request_startup(php_cli_server *server, php_cli_server_client *client TSRMLS_DC) { /* {{{ */
        char **auth;
        php_cli_server_client_populate_request_info(client, &SG(request_info));
        if (SUCCESS == zend_hash_find(&client->request.headers, "authorization", sizeof("authorization"), (void**)&auth)) {
                php_handle_auth_data(*auth TSRMLS_CC);
        }
        SG(sapi_headers).http_response_code = 200;
        if (FAILURE == php_request_startup(TSRMLS_C)) {
                /* should never be happen */
                destroy_request_info(&SG(request_info));
                return FAILURE;
        }
        PG(during_request_startup) = 0;

        return SUCCESS;
}
/* }}} */

static int php_cli_server_request_shutdown(php_cli_server *server, php_cli_server_client *client TSRMLS_DC) { /* {{{ */
        php_request_shutdown(0);
        php_cli_server_close_connection(server, client TSRMLS_CC);
        destroy_request_info(&SG(request_info));
        SG(server_context) = NULL;
        SG(rfc1867_uploaded_files) = NULL;
        return SUCCESS;
}
/* }}} */

static int php_cli_server_dispatch_router(php_cli_server *server, php_cli_server_client *client TSRMLS_DC) /* {{{ */
{
        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));

        zfd.type = ZEND_HANDLE_FILENAME;
        zfd.filename = server->router;
        zfd.handle.fp = NULL;
        zfd.free_filename = 0;
        zfd.opened_path = NULL;

        zend_try {
                zval *retval = NULL;
                if (SUCCESS == zend_execute_scripts(ZEND_REQUIRE TSRMLS_CC, &retval, 1, &zfd)) {
                        if (retval) {
                                decline = Z_TYPE_P(retval) == IS_BOOL && !Z_LVAL_P(retval);
                                zval_ptr_dtor(&retval);
                        }
                } else {
                        decline = 1;
                }
        } zend_end_try();

        if (old_cwd[0] != '\0') {
                php_ignore_value(VCWD_CHDIR(old_cwd));
        }

        free_alloca(old_cwd, use_heap);

        return decline;
}
/* }}} */

static int php_cli_server_dispatch(php_cli_server *server, php_cli_server_client *client TSRMLS_DC) /* {{{ */
{
        int is_static_file  = 0;

        SG(server_context) = client;
        if (client->request.ext_len != 3 || memcmp(client->request.ext, "php", 3) || !client->request.path_translated) {
                is_static_file = 1;
        }

        if (server->router || !is_static_file) {
                if (FAILURE == php_cli_server_request_startup(server, client TSRMLS_CC)) {
                        SG(server_context) = NULL;
                        php_cli_server_close_connection(server, client TSRMLS_CC);
                        destroy_request_info(&SG(request_info));
                        return SUCCESS;
                }
        }

        if (server->router) {
                if (!php_cli_server_dispatch_router(server, client TSRMLS_CC)) {
                        php_cli_server_request_shutdown(server, client TSRMLS_CC);
                        return SUCCESS;
                }
        }

        if (!is_static_file) {
                if (SUCCESS == php_cli_server_dispatch_script(server, client TSRMLS_CC)
                                || SUCCESS != php_cli_server_send_error_page(server, client, 500 TSRMLS_CC)) {
                        php_cli_server_request_shutdown(server, client TSRMLS_CC);
                        return SUCCESS;
                }
        } else {
                if (server->router) {
                        static int (*send_header_func)(sapi_headers_struct * TSRMLS_DC);
                        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 (SUCCESS != php_cli_server_begin_send_static(server, client TSRMLS_CC)) {
                        php_cli_server_close_connection(server, client TSRMLS_CC);
                }
                SG(server_context) = NULL;
                return SUCCESS;
        }

        SG(server_context) = NULL;
        destroy_request_info(&SG(request_info));
        return SUCCESS;
}
/* }}} */

static void php_cli_server_dtor(php_cli_server *server TSRMLS_DC) /* {{{ */
{
        zend_hash_destroy(&server->clients);
        if (server->server_sock >= 0) {
                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);
        }
} /* }}} */

static void php_cli_server_client_dtor_wrapper(php_cli_server_client **p) /* {{{ */
{
        closesocket((*p)->sock);
        php_cli_server_poller_remove(&(*p)->server->poller, POLLIN | POLLOUT, (*p)->sock);
        php_cli_server_client_dtor(*p);
        pefree(*p, 1);
} /* }}} */

static int php_cli_server_ctor(php_cli_server *server, const char *addr, const char *document_root, const char *router TSRMLS_DC) /* {{{ */
{
        int retval = SUCCESS;
        char *host = NULL;
        char *errstr = NULL;
        char *_document_root = NULL;
        char *_router = NULL;
        int err = 0;
        int port = 3000;
        php_socket_t server_sock = SOCK_ERR;
        char *p = NULL;

        if (addr[0] == '[') {
                host = pestrdup(addr + 1, 1);
                if (!host) {
                        return FAILURE;
                }
                p = strchr(host, ']');
                if (p) {
                        *p++ = '\0';
                        if (*p == ':') {
                                port = strtol(p + 1, &p, 10);
                                if (port <= 0 || port > 65535) {
                                        p = NULL;
                                }
                        } else if (*p != '\0') {
                                p = NULL;
                        }
                }
        } else {
                host = pestrdup(addr, 1);
                if (!host) {
                        return FAILURE;
                }
                p = strchr(host, ':');
                if (p) {
                        *p++ = '\0';
                        port = strtol(p, &p, 10);
                        if (port <= 0 || port > 65535) {
                                p = NULL;
                        }
                }
        }
        if (!p) {
                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 TSRMLS_CC);
        if (server_sock == SOCK_ERR) {
                php_cli_server_logf("Failed to listen on %s:%d (reason: %s)" TSRMLS_CC, host, port, errstr ? errstr: "?");
                efree(errstr);
                retval = FAILURE;
                goto out;
        }
        server->server_sock = server_sock;

        err = php_cli_server_poller_ctor(&server->poller);
        if (SUCCESS != err) {
                goto out;
        }

        php_cli_server_poller_add(&server->poller, POLLIN, server_sock);

        server->host = host;
        server->port = port;

        zend_hash_init(&server->clients, 0, NULL, (void(*)(void*))php_cli_server_client_dtor_wrapper, 1);

        {
                size_t document_root_len = strlen(document_root);
                _document_root = pestrndup(document_root, document_root_len, 1);
                if (!_document_root) {
                        retval = FAILURE;
                        goto out;
                }
                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);
                if (!_router) {
                        retval = FAILURE;
                        goto out;
                }
                server->router = _router;
                server->router_len = router_len;
        } else {
                server->router = NULL;
                server->router_len = 0;
        }

        server->is_running = 1;
out:
        if (retval != SUCCESS) {
                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 int php_cli_server_recv_event_read_request(php_cli_server *server, php_cli_server_client *client TSRMLS_DC) /* {{{ */
{
        char *errstr = NULL;
        int status = php_cli_server_client_read_request(client, &errstr TSRMLS_CC);
        if (status < 0) {
                php_cli_server_logf("%s Invalid request (%s)" TSRMLS_CC, client->addr_str, errstr);
                efree(errstr);
                php_cli_server_close_connection(server, client TSRMLS_CC);
                return FAILURE;
        } else if (status == 1 && client->request.request_method == PHP_HTTP_NOT_IMPLEMENTED) {
                return php_cli_server_send_error_page(server, client, 501 TSRMLS_CC);
        } else if (status == 1) {
                php_cli_server_poller_remove(&server->poller, POLLIN, client->sock);
                php_cli_server_dispatch(server, client TSRMLS_CC);
        } else {
                php_cli_server_poller_add(&server->poller, POLLIN, client->sock);
        }

        return SUCCESS;
} /* }}} */

static int php_cli_server_send_event(php_cli_server *server, php_cli_server_client *client TSRMLS_DC) /* {{{ */
{
        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 TSRMLS_CC);
                                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 TSRMLS_CC);
                                return FAILURE;
                        }
                }
                if (!client->content_sender.buffer.first && client->file_fd < 0) {
                        php_cli_server_close_connection(server, client TSRMLS_CC);
                }
        }
        return SUCCESS;
}
/* }}} */

typedef struct php_cli_server_do_event_for_each_fd_callback_params {
#ifdef ZTS
        void ***tsrm_ls;
#endif
        php_cli_server *server;
        int(*rhandler)(php_cli_server*, php_cli_server_client* TSRMLS_DC);
        int(*whandler)(php_cli_server*, php_cli_server_client* TSRMLS_DC);
} php_cli_server_do_event_for_each_fd_callback_params;

static int php_cli_server_do_event_for_each_fd_callback(void *_params, int fd, int event) /* {{{ */
{
        php_cli_server_do_event_for_each_fd_callback_params *params = _params;
#ifdef ZTS
        void ***tsrm_ls = params->tsrm_ls;
#endif
        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);
                if (!sa) {
                        return FAILURE;
                }
                client_sock = accept(server->server_sock, sa, &socklen);
                if (client_sock < 0) {
                        char *errstr;
                        errstr = php_socket_strerror(php_socket_errno(), NULL, 0);
                        php_cli_server_logf("Failed to accept a client (reason: %s)" TSRMLS_CC, errstr);
                        efree(errstr);
                        pefree(sa, 1);
                        return SUCCESS;
                }
                if (SUCCESS != php_set_sock_blocking(client_sock, 0 TSRMLS_CC)) {
                        pefree(sa, 1);
                        closesocket(client_sock);
                        return SUCCESS;
                }
                if (!(client = pemalloc(sizeof(php_cli_server_client), 1)) || FAILURE == php_cli_server_client_ctor(client, server, client_sock, sa, socklen TSRMLS_CC)) {
                        php_cli_server_logf("Failed to create a new request object" TSRMLS_CC);
                        pefree(sa, 1);
                        closesocket(client_sock);
                        return SUCCESS;
                }
#ifdef DEBUG
                php_cli_server_logf("%s Accepted" TSRMLS_CC, client->addr_str);
#endif
                zend_hash_index_update(&server->clients, client_sock, &client, sizeof(client), NULL);
                php_cli_server_recv_event_read_request(server, client TSRMLS_CC);
        } else {
                php_cli_server_client **client;
                if (SUCCESS == zend_hash_index_find(&server->clients, fd, (void **)&client)) {
                        if (event & POLLIN) {
                                params->rhandler(server, *client TSRMLS_CC);
                        }
                        if (event & POLLOUT) {
                                params->whandler(server, *client TSRMLS_CC);
                        }
                }
        }
        return SUCCESS;
} /* }}} */

static void php_cli_server_do_event_for_each_fd(php_cli_server *server, int(*rhandler)(php_cli_server*, php_cli_server_client* TSRMLS_DC), int(*whandler)(php_cli_server*, php_cli_server_client* TSRMLS_DC) TSRMLS_DC) /* {{{ */
{
        php_cli_server_do_event_for_each_fd_callback_params params = {
#ifdef ZTS
                tsrm_ls,
#endif
                server,
                rhandler,
                whandler
        };

        php_cli_server_poller_iter_on_active(&server->poller, &params, php_cli_server_do_event_for_each_fd_callback);
} /* }}} */

static int php_cli_server_do_event_loop(php_cli_server *server TSRMLS_DC) /* {{{ */
{
        int 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 TSRMLS_CC);
                } else if (n == 0) {
                        /* do nothing */
                } else {
                        int err = php_socket_errno();
                        if (err != SOCK_EINTR) {
                                char *errstr = php_socket_strerror(err, NULL, 0);
                                php_cli_server_logf("%s" TSRMLS_CC, 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;
}
/* }}} */

int do_cli_server(int argc, char **argv TSRMLS_DC) /* {{{ */
{
        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;
        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':
                                document_root = php_optarg;
                                break;
                }
        }

        if (document_root) {
                struct stat sb;

                if (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 TSRMLS_CC)) {
                return 1;
        }
        sapi_module.phpinfo_as_text = 0;

        {
                char buf[52];

                if (php_cli_server_get_system_time(buf) != 0) {
                        memmove(buf, "unknown time, can't be fetched", sizeof("unknown time, can't be fetched"));
                }

                printf("PHP %s Development Server started at %s"
                                "Listening on http://%s\n"
                                "Document root is %s\n"
                                "Press Ctrl-C to quit.\n",
                                PHP_VERSION, buf, server_bind_address, document_root);
        }

#if defined(HAVE_SIGNAL_H) && defined(SIGINT)
        signal(SIGINT, php_cli_server_sigint_handler);
#endif
        php_cli_server_do_event_loop(&server TSRMLS_CC);
        php_cli_server_dtor(&server TSRMLS_CC);
        return 0;
} /* }}} */

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: noet sw=4 ts=4 fdm=marker
 * vim<600: noet sw=4 ts=4
 */

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