1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | https://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Author: George Wang <gwang@litespeedtech.com> |
14 +----------------------------------------------------------------------+
15 */
16
17 #include "php.h"
18 #include "SAPI.h"
19 #include "php_main.h"
20 #include "php_ini.h"
21 #include "php_variables.h"
22 #include "zend_highlight.h"
23 #include "zend.h"
24 #include "ext/standard/basic_functions.h"
25 #include "ext/standard/info.h"
26 #include "ext/standard/head.h"
27 #include "lsapilib.h"
28 #include "lsapi_main_arginfo.h"
29
30 #include <stdio.h>
31 #include <stdlib.h>
32
33 #if HAVE_UNISTD_H
34 #include <unistd.h>
35 #endif
36
37 #include <sys/wait.h>
38 #include <sys/stat.h>
39
40 #if HAVE_SYS_TYPES_H
41
42 #include <sys/types.h>
43
44 #endif
45
46 #include <signal.h>
47 #include <sys/socket.h>
48 #include <arpa/inet.h>
49 #include <netinet/in.h>
50 #include <sys/time.h>
51
52 #if defined(linux) || defined(__linux) || defined(__linux__) || defined(__gnu_linux__)
53 #include "lscriu.c"
54 #endif
55
56 #define SAPI_LSAPI_MAX_HEADER_LENGTH LSAPI_RESP_HTTP_HEADER_MAX
57
58 /* Key for each cache entry is dirname(PATH_TRANSLATED).
59 *
60 * NOTE: Each cache entry config_hash contains the combination from all user ini files found in
61 * the path starting from doc_root through to dirname(PATH_TRANSLATED). There is no point
62 * storing per-file entries as it would not be possible to detect added / deleted entries
63 * between separate files.
64 */
65 typedef struct _user_config_cache_entry {
66 time_t expires;
67 HashTable user_config;
68 } user_config_cache_entry;
69 static HashTable user_config_cache;
70
71 static int lsapi_mode = 0;
72 static char *php_self = "";
73 static char *script_filename = "";
74 static int source_highlight = 0;
75 static int ignore_php_ini = 0;
76 static char * argv0 = NULL;
77 static int engine = 1;
78 static int parse_user_ini = 0;
79
80 #ifdef ZTS
81 zend_compiler_globals *compiler_globals;
82 zend_executor_globals *executor_globals;
83 php_core_globals *core_globals;
84 sapi_globals_struct *sapi_globals;
85 #endif
86
87 zend_module_entry litespeed_module_entry;
88
init_sapi_from_env(sapi_module_struct * sapi_module)89 static void init_sapi_from_env(sapi_module_struct *sapi_module)
90 {
91 char *p;
92 p = getenv("LSPHPRC");
93 if (p)
94 sapi_module->php_ini_path_override = p;
95 }
96
97 /* {{{ php_lsapi_startup */
php_lsapi_startup(sapi_module_struct * sapi_module)98 static int php_lsapi_startup(sapi_module_struct *sapi_module)
99 {
100 if (php_module_startup(sapi_module, NULL)==FAILURE) {
101 return FAILURE;
102 }
103 argv0 = sapi_module->executable_location;
104 return SUCCESS;
105 }
106 /* }}} */
107
108 /* {{{ sapi_lsapi_ini_defaults */
109
110 /* overwritable ini defaults must be set in sapi_cli_ini_defaults() */
111 #define INI_DEFAULT(name,value)\
112 ZVAL_STRING(tmp, value, 0);\
113 zend_hash_update(configuration_hash, name, sizeof(name), tmp, sizeof(zval), (void**)&entry);\
114 Z_STRVAL_P(entry) = zend_strndup(Z_STRVAL_P(entry), Z_STRLEN_P(entry))
115
sapi_lsapi_ini_defaults(HashTable * configuration_hash)116 static void sapi_lsapi_ini_defaults(HashTable *configuration_hash)
117 {
118 #if PHP_MAJOR_VERSION > 4
119 /*
120 zval *tmp, *entry;
121
122 MAKE_STD_ZVAL(tmp);
123
124 INI_DEFAULT("register_long_arrays", "0");
125
126 FREE_ZVAL(tmp);
127 */
128 #endif
129
130 }
131 /* }}} */
132
133
134 /* {{{ sapi_lsapi_ub_write */
sapi_lsapi_ub_write(const char * str,size_t str_length)135 static size_t sapi_lsapi_ub_write(const char *str, size_t str_length)
136 {
137 int ret;
138 int remain;
139 if ( lsapi_mode ) {
140 ret = LSAPI_Write( str, str_length );
141 if ( ret < str_length ) {
142 php_handle_aborted_connection();
143 return str_length - ret;
144 }
145 } else {
146 remain = str_length;
147 while( remain > 0 ) {
148 ret = write( 1, str, remain );
149 if ( ret <= 0 ) {
150 php_handle_aborted_connection();
151 return str_length - remain;
152 }
153 str += ret;
154 remain -= ret;
155 }
156 }
157 return str_length;
158 }
159 /* }}} */
160
161
162 /* {{{ sapi_lsapi_flush */
sapi_lsapi_flush(void * server_context)163 static void sapi_lsapi_flush(void * server_context)
164 {
165 if ( lsapi_mode ) {
166 if ( LSAPI_Flush() == -1) {
167 php_handle_aborted_connection();
168 }
169 }
170 }
171 /* }}} */
172
173
174 /* {{{ sapi_lsapi_deactivate */
sapi_lsapi_deactivate(void)175 static int sapi_lsapi_deactivate(void)
176 {
177 if ( SG(request_info).path_translated ) {
178 efree( SG(request_info).path_translated );
179 SG(request_info).path_translated = NULL;
180 }
181
182 return SUCCESS;
183 }
184 /* }}} */
185
186
187
188
189 /* {{{ sapi_lsapi_getenv */
sapi_lsapi_getenv(const char * name,size_t name_len)190 static char *sapi_lsapi_getenv(const char * name, size_t name_len )
191 {
192 if ( lsapi_mode ) {
193 return LSAPI_GetEnv( name );
194 } else {
195 return getenv( name );
196 }
197 }
198 /* }}} */
199
200
add_variable(const char * pKey,int keyLen,const char * pValue,int valLen,void * arg)201 static int add_variable( const char * pKey, int keyLen, const char * pValue, int valLen,
202 void * arg )
203 {
204 int filter_arg = (Z_ARR_P((zval *)arg) == Z_ARR(PG(http_globals)[TRACK_VARS_ENV]))
205 ? PARSE_ENV : PARSE_SERVER;
206 char * new_val = (char *) pValue;
207 size_t new_val_len;
208
209 if (sapi_module.input_filter(filter_arg, (char *)pKey, &new_val, valLen, &new_val_len)) {
210 php_register_variable_safe((char *)pKey, new_val, new_val_len, (zval *)arg );
211 }
212 return 1;
213 }
214
litespeed_php_import_environment_variables(zval * array_ptr)215 static void litespeed_php_import_environment_variables(zval *array_ptr)
216 {
217 char buf[128];
218 char **env, *p, *t = buf;
219 size_t alloc_size = sizeof(buf);
220 unsigned long nlen; /* ptrdiff_t is not portable */
221
222 if (Z_TYPE(PG(http_globals)[TRACK_VARS_ENV]) == IS_ARRAY &&
223 Z_ARR_P(array_ptr) != Z_ARR(PG(http_globals)[TRACK_VARS_ENV]) &&
224 zend_hash_num_elements(Z_ARRVAL(PG(http_globals)[TRACK_VARS_ENV])) > 0
225 ) {
226 zval_ptr_dtor_nogc(array_ptr);
227 ZVAL_DUP(array_ptr, &PG(http_globals)[TRACK_VARS_ENV]);
228 return;
229 } else if (Z_TYPE(PG(http_globals)[TRACK_VARS_SERVER]) == IS_ARRAY &&
230 Z_ARR_P(array_ptr) != Z_ARR(PG(http_globals)[TRACK_VARS_SERVER]) &&
231 zend_hash_num_elements(Z_ARRVAL(PG(http_globals)[TRACK_VARS_SERVER])) > 0
232 ) {
233 zval_ptr_dtor_nogc(array_ptr);
234 ZVAL_DUP(array_ptr, &PG(http_globals)[TRACK_VARS_SERVER]);
235 return;
236 }
237
238 tsrm_env_lock();
239 for (env = environ; env != NULL && *env != NULL; env++) {
240 p = strchr(*env, '=');
241 if (!p) { /* malformed entry? */
242 continue;
243 }
244 nlen = p - *env;
245 if (nlen >= alloc_size) {
246 alloc_size = nlen + 64;
247 t = (t == buf ? emalloc(alloc_size): erealloc(t, alloc_size));
248 }
249 memcpy(t, *env, nlen);
250 t[nlen] = '\0';
251 add_variable(t, nlen, p + 1, strlen( p + 1 ), array_ptr);
252 }
253 tsrm_env_unlock();
254 if (t != buf && t != NULL) {
255 efree(t);
256 }
257 }
258
259 /* {{{ sapi_lsapi_register_variables */
sapi_lsapi_register_variables(zval * track_vars_array)260 static void sapi_lsapi_register_variables(zval *track_vars_array)
261 {
262 char * php_self = "";
263 if ( lsapi_mode ) {
264 if ( (SG(request_info).request_uri ) )
265 php_self = (SG(request_info).request_uri );
266
267 litespeed_php_import_environment_variables(track_vars_array);
268
269 LSAPI_ForeachHeader( add_variable, track_vars_array );
270 LSAPI_ForeachEnv( add_variable, track_vars_array );
271 add_variable("PHP_SELF", 8, php_self, strlen( php_self ), track_vars_array );
272 } else {
273 php_import_environment_variables(track_vars_array);
274
275 php_register_variable("PHP_SELF", php_self, track_vars_array);
276 php_register_variable("SCRIPT_NAME", php_self, track_vars_array);
277 php_register_variable("SCRIPT_FILENAME", script_filename, track_vars_array);
278 php_register_variable("PATH_TRANSLATED", script_filename, track_vars_array);
279 php_register_variable("DOCUMENT_ROOT", "", track_vars_array);
280
281 }
282 }
283 /* }}} */
284
285
286 /* {{{ sapi_lsapi_read_post */
sapi_lsapi_read_post(char * buffer,size_t count_bytes)287 static size_t sapi_lsapi_read_post(char *buffer, size_t count_bytes)
288 {
289 if ( lsapi_mode ) {
290 ssize_t rv = LSAPI_ReadReqBody(buffer, (unsigned long long)count_bytes);
291 return (rv >= 0) ? (size_t)rv : 0;
292 } else {
293 return 0;
294 }
295 }
296 /* }}} */
297
298
299
300
301 /* {{{ sapi_lsapi_read_cookies */
sapi_lsapi_read_cookies(void)302 static char *sapi_lsapi_read_cookies(void)
303 {
304 if ( lsapi_mode ) {
305 return LSAPI_GetHeader( H_COOKIE );
306 } else {
307 return NULL;
308 }
309 }
310 /* }}} */
311
312
313 typedef struct _http_error {
314 int code;
315 const char* msg;
316 } http_error;
317
318 static const http_error http_error_codes[] = {
319 {100, "Continue"},
320 {101, "Switching Protocols"},
321 {200, "OK"},
322 {201, "Created"},
323 {202, "Accepted"},
324 {203, "Non-Authoritative Information"},
325 {204, "No Content"},
326 {205, "Reset Content"},
327 {206, "Partial Content"},
328 {300, "Multiple Choices"},
329 {301, "Moved Permanently"},
330 {302, "Moved Temporarily"},
331 {303, "See Other"},
332 {304, "Not Modified"},
333 {305, "Use Proxy"},
334 {400, "Bad Request"},
335 {401, "Unauthorized"},
336 {402, "Payment Required"},
337 {403, "Forbidden"},
338 {404, "Not Found"},
339 {405, "Method Not Allowed"},
340 {406, "Not Acceptable"},
341 {407, "Proxy Authentication Required"},
342 {408, "Request Time-out"},
343 {409, "Conflict"},
344 {410, "Gone"},
345 {411, "Length Required"},
346 {412, "Precondition Failed"},
347 {413, "Request Entity Too Large"},
348 {414, "Request-URI Too Large"},
349 {415, "Unsupported Media Type"},
350 {428, "Precondition Required"},
351 {429, "Too Many Requests"},
352 {431, "Request Header Fields Too Large"},
353 {451, "Unavailable For Legal Reasons"},
354 {500, "Internal Server Error"},
355 {501, "Not Implemented"},
356 {502, "Bad Gateway"},
357 {503, "Service Unavailable"},
358 {504, "Gateway Time-out"},
359 {505, "HTTP Version not supported"},
360 {511, "Network Authentication Required"},
361 {0, NULL}
362 };
363
364
sapi_lsapi_send_headers_like_cgi(sapi_headers_struct * sapi_headers)365 static int sapi_lsapi_send_headers_like_cgi(sapi_headers_struct *sapi_headers)
366 {
367 char buf[SAPI_LSAPI_MAX_HEADER_LENGTH];
368 sapi_header_struct *h;
369 zend_llist_position pos;
370 bool ignore_status = 0;
371 int response_status = SG(sapi_headers).http_response_code;
372
373 if (SG(request_info).no_headers == 1) {
374 LSAPI_FinalizeRespHeaders();
375 return SAPI_HEADER_SENT_SUCCESSFULLY;
376 }
377
378 if (SG(sapi_headers).http_response_code != 200)
379 {
380 int len;
381 bool has_status = 0;
382
383 char *s;
384
385 if (SG(sapi_headers).http_status_line &&
386 (s = strchr(SG(sapi_headers).http_status_line, ' ')) != 0 &&
387 (s - SG(sapi_headers).http_status_line) >= 5 &&
388 strncasecmp(SG(sapi_headers).http_status_line, "HTTP/", 5) == 0
389 ) {
390 len = slprintf(buf, sizeof(buf), "Status:%s", s);
391 response_status = atoi((s + 1));
392 } else {
393 h = (sapi_header_struct*)zend_llist_get_first_ex(&sapi_headers->headers, &pos);
394 while (h) {
395 if (h->header_len > sizeof("Status:")-1 &&
396 strncasecmp(h->header, "Status:", sizeof("Status:")-1) == 0
397 ) {
398 has_status = 1;
399 break;
400 }
401 h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
402 }
403 if (!has_status) {
404 http_error *err = (http_error*)http_error_codes;
405
406 while (err->code != 0) {
407 if (err->code == SG(sapi_headers).http_response_code) {
408 break;
409 }
410 err++;
411 }
412 if (err->msg) {
413 len = slprintf(buf, sizeof(buf), "Status: %d %s", SG(sapi_headers).http_response_code, err->msg);
414 } else {
415 len = slprintf(buf, sizeof(buf), "Status: %d", SG(sapi_headers).http_response_code);
416 }
417 }
418 }
419
420 if (!has_status) {
421 LSAPI_AppendRespHeader( buf, len );
422 ignore_status = 1;
423 }
424 }
425
426 h = (sapi_header_struct*)zend_llist_get_first_ex(&sapi_headers->headers, &pos);
427 while (h) {
428 /* prevent CRLFCRLF */
429 if (h->header_len) {
430 if (h->header_len > sizeof("Status:")-1 &&
431 strncasecmp(h->header, "Status:", sizeof("Status:")-1) == 0
432 ) {
433 if (!ignore_status) {
434 ignore_status = 1;
435 LSAPI_AppendRespHeader(h->header, h->header_len);
436 }
437 } else if (response_status == 304 && h->header_len > sizeof("Content-Type:")-1 &&
438 strncasecmp(h->header, "Content-Type:", sizeof("Content-Type:")-1) == 0
439 ) {
440 h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
441 continue;
442 } else {
443 LSAPI_AppendRespHeader(h->header, h->header_len);
444 }
445 }
446 h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
447 }
448
449 LSAPI_FinalizeRespHeaders();
450 return SAPI_HEADER_SENT_SUCCESSFULLY;
451 }
452
453 /*
454 mod_lsapi mode or legacy LS mode
455 */
456 static int mod_lsapi_mode = 0;
457
458
459 /* {{{ sapi_lsapi_send_headers */
sapi_lsapi_send_headers(sapi_headers_struct * sapi_headers)460 static int sapi_lsapi_send_headers(sapi_headers_struct *sapi_headers)
461 {
462 sapi_header_struct *h;
463 zend_llist_position pos;
464
465 if ( mod_lsapi_mode ) {
466 /* mod_lsapi mode */
467 return sapi_lsapi_send_headers_like_cgi(sapi_headers);
468 }
469
470 /* Legacy mode */
471 if ( lsapi_mode ) {
472 LSAPI_SetRespStatus( SG(sapi_headers).http_response_code );
473
474 h = zend_llist_get_first_ex(&sapi_headers->headers, &pos);
475 while (h) {
476 if ( h->header_len > 0 ) {
477 LSAPI_AppendRespHeader(h->header, h->header_len);
478 }
479 h = zend_llist_get_next_ex(&sapi_headers->headers, &pos);
480 }
481 if (SG(sapi_headers).send_default_content_type) {
482 char *hd;
483 int len;
484 char headerBuf[SAPI_LSAPI_MAX_HEADER_LENGTH];
485
486 hd = sapi_get_default_content_type();
487 len = snprintf( headerBuf, SAPI_LSAPI_MAX_HEADER_LENGTH - 1,
488 "Content-type: %s", hd );
489 efree(hd);
490
491 LSAPI_AppendRespHeader( headerBuf, len );
492 }
493 }
494 LSAPI_FinalizeRespHeaders();
495 return SAPI_HEADER_SENT_SUCCESSFULLY;
496
497
498 }
499 /* }}} */
500
501
502 /* {{{ sapi_lsapi_send_headers */
sapi_lsapi_log_message(const char * message,int syslog_type_int)503 static void sapi_lsapi_log_message(const char *message, int syslog_type_int)
504 {
505 char buf[8192];
506 int len = strlen( message );
507 if ( *(message + len - 1 ) != '\n' )
508 {
509 snprintf( buf, 8191, "%s\n", message );
510 message = buf;
511 if (len > 8191)
512 len = 8191;
513 ++len;
514 }
515 LSAPI_Write_Stderr( message, len );
516 }
517 /* }}} */
518
519 /* Set to 1 to turn on log messages useful during development:
520 */
521 #if 0
522 static void log_message (const char *fmt, ...)
523 {
524 va_list ap;
525 va_start(ap, fmt);
526 char buf[0x100];
527 vsnprintf(buf, sizeof(buf), fmt, ap);
528 va_end(ap);
529 sapi_lsapi_log_message(buf
530 #if PHP_MAJOR_VERSION > 7 || (PHP_MAJOR_VERSION == 7 && PHP_MINOR_VERSION >= 1)
531 , 0
532 #endif
533 );
534 }
535 #define DEBUG_MESSAGE(fmt, ...) log_message("LS:%d " fmt "\n", __LINE__, ##__VA_ARGS__)
536 #else
537 #define DEBUG_MESSAGE(fmt, ...)
538 #endif
539
540 static int lsapi_activate_user_ini(void);
541
sapi_lsapi_activate(void)542 static int sapi_lsapi_activate(void)
543 {
544 char *path, *server_name;
545 size_t path_len, server_name_len;
546
547 /* PATH_TRANSLATED should be defined at this stage but better safe than sorry :) */
548 if (!SG(request_info).path_translated) {
549 return FAILURE;
550 }
551
552 if (php_ini_has_per_host_config()) {
553 server_name = sapi_lsapi_getenv("SERVER_NAME", 0);
554 /* SERVER_NAME should also be defined at this stage..but better check it anyway */
555 if (server_name) {
556 server_name_len = strlen(server_name);
557 server_name = estrndup(server_name, server_name_len);
558 zend_str_tolower(server_name, server_name_len);
559 php_ini_activate_per_host_config(server_name, server_name_len);
560 efree(server_name);
561 }
562 }
563
564 if (php_ini_has_per_dir_config()) {
565 /* Prepare search path */
566 path_len = strlen(SG(request_info).path_translated);
567
568 /* Make sure we have trailing slash! */
569 if (!IS_SLASH(SG(request_info).path_translated[path_len])) {
570 path = emalloc(path_len + 2);
571 memcpy(path, SG(request_info).path_translated, path_len + 1);
572 path_len = zend_dirname(path, path_len);
573 path[path_len++] = DEFAULT_SLASH;
574 } else {
575 path = estrndup(SG(request_info).path_translated, path_len);
576 path_len = zend_dirname(path, path_len);
577 }
578 path[path_len] = 0;
579
580 /* Activate per-dir-system-configuration defined in php.ini and stored into configuration_hash during startup */
581 php_ini_activate_per_dir_config(path, path_len); /* Note: for global settings sake we check from root to path */
582
583 efree(path);
584 }
585
586 if (parse_user_ini && lsapi_activate_user_ini() == FAILURE) {
587 return FAILURE;
588 }
589 return SUCCESS;
590 }
591 /* {{{ sapi_module_struct cgi_sapi_module */
592 static sapi_module_struct lsapi_sapi_module =
593 {
594 "litespeed",
595 "LiteSpeed V7.9",
596
597 php_lsapi_startup, /* startup */
598 php_module_shutdown_wrapper, /* shutdown */
599
600 sapi_lsapi_activate, /* activate */
601 sapi_lsapi_deactivate, /* deactivate */
602
603 sapi_lsapi_ub_write, /* unbuffered write */
604 sapi_lsapi_flush, /* flush */
605 NULL, /* get uid */
606 sapi_lsapi_getenv, /* getenv */
607
608 php_error, /* error handler */
609
610 NULL, /* header handler */
611 sapi_lsapi_send_headers, /* send headers handler */
612 NULL, /* send header handler */
613
614 sapi_lsapi_read_post, /* read POST data */
615 sapi_lsapi_read_cookies, /* read Cookies */
616
617 sapi_lsapi_register_variables, /* register server variables */
618 sapi_lsapi_log_message, /* Log message */
619 NULL, /* Get request time */
620 NULL, /* Child terminate */
621
622 STANDARD_SAPI_MODULE_PROPERTIES
623
624 };
625 /* }}} */
626
init_request_info(void)627 static void init_request_info( void )
628 {
629 char * pContentType = LSAPI_GetHeader( H_CONTENT_TYPE );
630 char * pAuth;
631
632 SG(request_info).content_type = pContentType ? pContentType : "";
633 SG(request_info).request_method = LSAPI_GetRequestMethod();
634 SG(request_info).query_string = LSAPI_GetQueryString();
635 SG(request_info).request_uri = LSAPI_GetScriptName();
636 SG(request_info).content_length = LSAPI_GetReqBodyLen();
637 SG(request_info).path_translated = estrdup( LSAPI_GetScriptFileName());
638
639 /* It is not reset by zend engine, set it to 200. */
640 SG(sapi_headers).http_response_code = 200;
641
642 pAuth = LSAPI_GetHeader( H_AUTHORIZATION );
643 php_handle_auth_data(pAuth);
644 }
645
lsapi_execute_script(void)646 static int lsapi_execute_script(void)
647 {
648 zend_file_handle file_handle;
649 char *p;
650 int len;
651 zend_stream_init_filename(&file_handle, SG(request_info).path_translated);
652 file_handle.primary_script = true;
653
654 p = argv0;
655 *p++ = ':';
656 len = strlen( SG(request_info).path_translated );
657 if ( len > 45 )
658 len = len - 45;
659 else
660 len = 0;
661 memccpy( p, SG(request_info).path_translated + len, 0, 46 );
662
663 php_execute_script(&file_handle);
664 zend_destroy_file_handle(&file_handle);
665 return 0;
666
667 }
668
lsapi_sigsegv(int signal)669 static void lsapi_sigsegv( int signal )
670 {
671 //fprintf(stderr, "lsapi_sigsegv: %d: Segmentation violation signal is caught during request shutdown\n", getpid());
672 _exit(1);
673 }
674
675 static int do_clean_shutdown = 1;
676
677 static int clean_onexit = 1;
678
679
lsapi_clean_shutdown(void)680 static void lsapi_clean_shutdown(void)
681 {
682 struct sigaction act;
683 struct itimerval tmv;
684 #if PHP_MAJOR_VERSION >= 7
685 zend_string * key;
686 #endif
687 clean_onexit = 1;
688 sigemptyset(&act.sa_mask);
689 act.sa_flags = 0;
690 act.sa_handler = lsapi_sigsegv;
691 (void)sigaction(SIGINT, &act, NULL);
692 (void)sigaction(SIGQUIT, &act, NULL);
693 (void)sigaction(SIGILL, &act, NULL);
694 (void)sigaction(SIGABRT, &act, NULL);
695 (void)sigaction(SIGBUS, &act, NULL);
696 (void)sigaction(SIGSEGV, &act, NULL);
697 (void)sigaction(SIGTERM, &act, NULL);
698 (void)sigaction(SIGPROF, &act, NULL);
699 memset(&tmv, 0, sizeof(struct itimerval));
700 tmv.it_value.tv_sec = 0;
701 tmv.it_value.tv_usec = 100000;
702 setitimer(ITIMER_PROF, &tmv, NULL);
703
704 #if PHP_MAJOR_VERSION >= 7
705 key = ZSTR_INIT_LITERAL("error_reporting", 1);
706 zend_alter_ini_entry_chars_ex(key, "0", 1,
707 PHP_INI_SYSTEM, PHP_INI_STAGE_SHUTDOWN, 1);
708 zend_string_release(key);
709 #else
710 zend_alter_ini_entry("error_reporting", 16, "0", 1,
711 PHP_INI_SYSTEM, PHP_INI_STAGE_SHUTDOWN);
712 #endif
713
714 zend_try {
715 php_request_shutdown(NULL);
716 } zend_end_try();
717 }
718
lsapi_sigterm(int signal)719 static void lsapi_sigterm(int signal)
720 {
721
722 // fprintf(stderr, "lsapi_sigterm: %d: clean_onexit %d\n", getpid(), clean_onexit );
723 if(!clean_onexit)
724 {
725 lsapi_clean_shutdown();
726 }
727 exit(1);
728 }
729
lsapi_atexit(void)730 static void lsapi_atexit(void)
731 {
732 //fprintf(stderr, "lsapi_atexit: %d: clean_onexit %d\n", getpid(), clean_onexit );
733 if(!clean_onexit)
734 {
735 lsapi_clean_shutdown();
736 }
737 }
738
lsapi_module_main(int show_source)739 static int lsapi_module_main(int show_source)
740 {
741 struct sigaction act;
742 if (php_request_startup() == FAILURE ) {
743 return -1;
744 }
745
746 if (do_clean_shutdown) {
747 sigemptyset(&act.sa_mask);
748 act.sa_flags = SA_NODEFER;
749 act.sa_handler = lsapi_sigterm;
750 (void)sigaction( SIGINT, &act, NULL);
751 (void)sigaction( SIGQUIT, &act, NULL);
752 (void)sigaction( SIGILL, &act, NULL);
753 (void)sigaction( SIGABRT, &act, NULL);
754 (void)sigaction( SIGBUS, &act, NULL);
755 (void)sigaction( SIGSEGV, &act, NULL);
756 (void)sigaction( SIGTERM, &act, NULL);
757
758 clean_onexit = 0;
759 }
760
761 if (show_source) {
762 zend_syntax_highlighter_ini syntax_highlighter_ini;
763
764 php_get_highlight_struct(&syntax_highlighter_ini);
765 highlight_file(SG(request_info).path_translated, &syntax_highlighter_ini);
766 } else {
767 lsapi_execute_script();
768 }
769 zend_try {
770 php_request_shutdown(NULL);
771
772 clean_onexit = 1;
773
774 memset( argv0, 0, 46 );
775 } zend_end_try();
776 return 0;
777 }
778
779
alter_ini(const char * pKey,int keyLen,const char * pValue,int valLen,void * arg)780 static int alter_ini( const char * pKey, int keyLen, const char * pValue, int valLen,
781 void * arg )
782 {
783 zend_string * psKey;
784
785 int type = ZEND_INI_PERDIR;
786 int stage = PHP_INI_STAGE_RUNTIME;
787 if ( '\001' == *pKey ) {
788 ++pKey;
789 if ( *pKey == 4 ) {
790 type = ZEND_INI_SYSTEM;
791 /*
792 Use ACTIVATE stage in legacy mode only.
793
794 RUNTIME stage should be used here,
795 as with ACTIVATE it's impossible to change the option from script with ini_set
796 */
797 if(!mod_lsapi_mode)
798 {
799 stage = PHP_INI_STAGE_ACTIVATE;
800 }
801 }
802 else
803 {
804 stage = PHP_INI_STAGE_HTACCESS;
805 }
806 ++pKey;
807 --keyLen;
808 if (( keyLen == 7 )&&( strncasecmp( pKey, "engine", 6 )== 0 ))
809 {
810 if ( *pValue == '0' )
811 engine = 0;
812 }
813 else
814 {
815 --keyLen;
816 psKey = zend_string_init(pKey, keyLen, 1);
817 zend_alter_ini_entry_chars(psKey,
818 (char *)pValue, valLen,
819 type, stage);
820 zend_string_release_ex(psKey, 1);
821 }
822 }
823 return 1;
824 }
825
user_config_cache_entry_dtor(zval * el)826 static void user_config_cache_entry_dtor(zval *el)
827 {
828 user_config_cache_entry *entry = (user_config_cache_entry *)Z_PTR_P(el);
829 zend_hash_destroy(&entry->user_config);
830 free(entry);
831 }
832
user_config_cache_init(void)833 static void user_config_cache_init(void)
834 {
835 zend_hash_init(&user_config_cache, 0, NULL, user_config_cache_entry_dtor, 1);
836 }
837
pathlen_without_trailing_slash(char * path)838 static int pathlen_without_trailing_slash(char *path)
839 {
840 int len = (int)strlen(path);
841 while (len > 1 && /* mind "/" as root dir */
842 path[len-1] == DEFAULT_SLASH)
843 {
844 --len;
845 }
846 return len;
847 }
848
skip_slash(char * s)849 static inline char* skip_slash(char *s)
850 {
851 while (*s == DEFAULT_SLASH) {
852 ++s;
853 }
854 return s;
855 }
856
857 /**
858 * Walk down the path_stop starting at path_start.
859 *
860 * If path_start = "/path1" and path_stop = "/path1/path2/path3"
861 * the callback will be called 3 times with the next args:
862 *
863 * 1. "/path1/path2/path3"
864 * ^ end
865 * ^ start
866 * 2. "/path1/path2/path3"
867 * ^ end
868 * ^ start
869 * 3. "/path1/path2/path3"
870 * ^ end
871 * ^ start
872 *
873 * path_stop has to be a subdir of path_start
874 * or to be path_start itself.
875 *
876 * Both path args have to be absolute.
877 * Trailing slashes are allowed.
878 * NULL or empty string args are not allowed.
879 */
walk_down_the_path(char * path_start,char * path_stop,void (* cb)(char * begin,char * end,void * data),void * data)880 static void walk_down_the_path(char* path_start,
881 char* path_stop,
882 void (*cb)(char* begin,
883 char* end,
884 void* data),
885 void* data)
886 {
887 char *pos = path_stop + pathlen_without_trailing_slash(path_start);
888 cb(path_stop, pos, data);
889
890 while ((pos = skip_slash(pos))[0]) {
891 pos = strchr(pos, DEFAULT_SLASH);
892 if (!pos) {
893 /* The last token without trailing slash
894 */
895 cb(path_stop, path_stop + strlen(path_stop), data);
896 return;
897 }
898 cb(path_stop, pos, data);
899 }
900 }
901
902
903 typedef struct {
904 char *path;
905 uint32_t path_len;
906 char *doc_root;
907 user_config_cache_entry *entry;
908 } _lsapi_activate_user_ini_ctx;
909
910 typedef int (*fn_activate_user_ini_chain_t)
911 (_lsapi_activate_user_ini_ctx *ctx, void* next);
912
lsapi_activate_user_ini_basic_checks(_lsapi_activate_user_ini_ctx * ctx,void * next)913 static int lsapi_activate_user_ini_basic_checks(_lsapi_activate_user_ini_ctx *ctx,
914 void* next)
915 {
916 int rc = SUCCESS;
917 fn_activate_user_ini_chain_t *fn_next = next;
918
919 if (!PG(user_ini_filename) || !*PG(user_ini_filename)) {
920 return SUCCESS;
921 }
922
923 /* PATH_TRANSLATED should be defined at this stage */
924 ctx->path = SG(request_info).path_translated;
925 if (!ctx->path || !*ctx->path) {
926 return FAILURE;
927 }
928
929 ctx->doc_root = sapi_lsapi_getenv("DOCUMENT_ROOT", 0);
930 DEBUG_MESSAGE("doc_root: %s", ctx->doc_root);
931
932 if (*fn_next) {
933 rc = (*fn_next)(ctx, fn_next + 1);
934 }
935
936 return rc;
937 }
938
lsapi_activate_user_ini_mk_path(_lsapi_activate_user_ini_ctx * ctx,void * next)939 static int lsapi_activate_user_ini_mk_path(_lsapi_activate_user_ini_ctx *ctx,
940 void* next)
941 {
942 char *path;
943 int rc = SUCCESS;
944 fn_activate_user_ini_chain_t *fn_next = next;
945
946 /* Extract dir name from path_translated * and store it in 'path' */
947 ctx->path_len = strlen(ctx->path);
948 path = ctx->path = estrndup(SG(request_info).path_translated, ctx->path_len);
949 ctx->path_len = zend_dirname(path, ctx->path_len);
950
951 if (*fn_next) {
952 rc = (*fn_next)(ctx, fn_next + 1);
953 }
954
955 efree(path);
956 return rc;
957 }
958
lsapi_activate_user_ini_mk_realpath(_lsapi_activate_user_ini_ctx * ctx,void * next)959 static int lsapi_activate_user_ini_mk_realpath(_lsapi_activate_user_ini_ctx *ctx,
960 void* next)
961 {
962 char *real_path;
963 int rc = SUCCESS;
964 fn_activate_user_ini_chain_t *fn_next = next;
965
966 if (!IS_ABSOLUTE_PATH(ctx->path, ctx->path_len)) {
967 real_path = tsrm_realpath(ctx->path, NULL);
968 if (!real_path) {
969 return SUCCESS;
970 }
971 ctx->path = real_path;
972 ctx->path_len = strlen(ctx->path);
973 } else {
974 real_path = NULL;
975 }
976
977 if (*fn_next) {
978 rc = (*fn_next)(ctx, fn_next + 1);
979 }
980
981 if (real_path)
982 efree(real_path);
983 return rc;
984 }
985
lsapi_activate_user_ini_mk_user_config(_lsapi_activate_user_ini_ctx * ctx,void * next)986 static int lsapi_activate_user_ini_mk_user_config(_lsapi_activate_user_ini_ctx *ctx,
987 void* next)
988 {
989 fn_activate_user_ini_chain_t *fn_next = next;
990
991 /* Find cached config entry: If not found, create one */
992 ctx->entry = zend_hash_str_find_ptr(&user_config_cache, ctx->path, ctx->path_len);
993
994 if (!ctx->entry)
995 {
996 ctx->entry = pemalloc(sizeof(user_config_cache_entry), 1);
997 ctx->entry->expires = 0;
998 zend_hash_init(&ctx->entry->user_config, 0, NULL,
999 config_zval_dtor, 1);
1000 zend_hash_str_update_ptr(&user_config_cache, ctx->path,
1001 ctx->path_len, ctx->entry);
1002 }
1003
1004 if (*fn_next) {
1005 return (*fn_next)(ctx, fn_next + 1);
1006 } else {
1007 return SUCCESS;
1008 }
1009 }
1010
walk_down_the_path_callback(char * begin,char * end,void * data)1011 static void walk_down_the_path_callback(char* begin,
1012 char* end,
1013 void* data)
1014 {
1015 _lsapi_activate_user_ini_ctx *ctx = data;
1016 char tmp = end[0];
1017 end[0] = 0;
1018 php_parse_user_ini_file(begin, PG(user_ini_filename), &ctx->entry->user_config);
1019 end[0] = tmp;
1020 }
1021
lsapi_activate_user_ini_walk_down_the_path(_lsapi_activate_user_ini_ctx * ctx,void * next)1022 static int lsapi_activate_user_ini_walk_down_the_path(_lsapi_activate_user_ini_ctx *ctx,
1023 void* next)
1024 {
1025 time_t request_time = sapi_get_request_time();
1026 uint32_t docroot_len;
1027 int rc = SUCCESS;
1028 fn_activate_user_ini_chain_t *fn_next = next;
1029
1030 if (!ctx->entry->expires || request_time > ctx->entry->expires)
1031 {
1032 docroot_len = ctx->doc_root && ctx->doc_root[0]
1033 ? pathlen_without_trailing_slash(ctx->doc_root)
1034 : 0;
1035
1036 int is_outside_of_docroot = !docroot_len ||
1037 ctx->path_len < docroot_len ||
1038 strncmp(ctx->path, ctx->doc_root, docroot_len) != 0;
1039
1040 if (is_outside_of_docroot) {
1041 php_parse_user_ini_file(ctx->path, PG(user_ini_filename),
1042 &ctx->entry->user_config);
1043 } else {
1044 walk_down_the_path(ctx->doc_root, ctx->path,
1045 &walk_down_the_path_callback, ctx);
1046 }
1047
1048 ctx->entry->expires = request_time + PG(user_ini_cache_ttl);
1049 }
1050
1051 if (*fn_next) {
1052 rc = (*fn_next)(ctx, fn_next + 1);
1053 }
1054
1055 return rc;
1056 }
1057
lsapi_activate_user_ini_finally(_lsapi_activate_user_ini_ctx * ctx,void * next)1058 static int lsapi_activate_user_ini_finally(_lsapi_activate_user_ini_ctx *ctx,
1059 void* next)
1060 {
1061 int rc = SUCCESS;
1062 fn_activate_user_ini_chain_t *fn_next = next;
1063
1064 php_ini_activate_config(&ctx->entry->user_config, PHP_INI_PERDIR,
1065 PHP_INI_STAGE_HTACCESS);
1066
1067 if (*fn_next) {
1068 rc = (*fn_next)(ctx, fn_next + 1);
1069 }
1070
1071 return rc;
1072 }
1073
lsapi_activate_user_ini(void)1074 static int lsapi_activate_user_ini( void )
1075 {
1076 _lsapi_activate_user_ini_ctx ctx;
1077 /**
1078 * The reason to have this function list stacked
1079 * is each function now can define a scoped destructor.
1080 *
1081 * Passing control via function pointer is a sign of low coupling,
1082 * which means dependencies between these functions are to be
1083 * controlled from a single place
1084 * (here below, by modifying this function list order)
1085 */
1086 static const fn_activate_user_ini_chain_t fn_chain[] = {
1087 &lsapi_activate_user_ini_basic_checks,
1088 &lsapi_activate_user_ini_mk_path,
1089 &lsapi_activate_user_ini_mk_realpath,
1090 &lsapi_activate_user_ini_mk_user_config,
1091 &lsapi_activate_user_ini_walk_down_the_path,
1092 &lsapi_activate_user_ini_finally,
1093 NULL
1094 };
1095
1096 return fn_chain[0](&ctx, (fn_activate_user_ini_chain_t*)(fn_chain + 1));
1097 }
1098
1099
override_ini(void)1100 static void override_ini(void)
1101 {
1102
1103 LSAPI_ForeachSpecialEnv( alter_ini, NULL );
1104
1105 }
1106
1107
processReq(void)1108 static int processReq(void)
1109 {
1110 int ret = 0;
1111 zend_first_try {
1112
1113 /* avoid server_context==NULL checks */
1114 SG(server_context) = (void *) 1;
1115
1116 engine = 1;
1117 override_ini();
1118
1119 if ( engine ) {
1120 init_request_info();
1121
1122 if ( lsapi_module_main( source_highlight ) == -1 ) {
1123 ret = -1;
1124 }
1125 } else {
1126 LSAPI_AppendRespHeader( "status: 403", 11 );
1127 LSAPI_AppendRespHeader( "content-type: text/html", 23 );
1128 LSAPI_Write( "Forbidden: PHP engine is disable.\n", 34 );
1129 }
1130 } zend_end_try();
1131 return ret;
1132 }
1133
cli_usage(void)1134 static void cli_usage(void)
1135 {
1136 static const char * usage =
1137 "Usage: php\n"
1138 " php -[b|c|n|h|i|q|s|v|?] [<file>] [args...]\n"
1139 " Run in LSAPI mode, only '-b', '-s' and '-c' are effective\n"
1140 " Run in Command Line Interpreter mode when parameters are specified\n"
1141 "\n"
1142 " -b <address:port>|<port> Bind Path for external LSAPI Server mode\n"
1143 " -c <path>|<file> Look for php.ini file in this directory\n"
1144 " -n No php.ini file will be used\n"
1145 " -h This help\n"
1146 " -i PHP information\n"
1147 " -l Syntax check\n"
1148 " -q Quiet-mode. Suppress HTTP Header output.\n"
1149 " -s Display colour syntax highlighted source.\n"
1150 " -v Version number\n"
1151 " -? This help\n"
1152 "\n"
1153 " args... Arguments passed to script.\n";
1154 php_output_startup();
1155 php_output_activate();
1156 php_printf( "%s", usage );
1157 #ifdef PHP_OUTPUT_NEWAPI
1158 php_output_end_all();
1159 #else
1160 php_end_ob_buffers(1);
1161 #endif
1162 }
1163
parse_opt(int argc,char * argv[],int * climode,char ** php_ini_path,char ** php_bind)1164 static int parse_opt( int argc, char * argv[], int *climode,
1165 char **php_ini_path, char ** php_bind )
1166 {
1167 char ** p = &argv[1];
1168 char ** argend= &argv[argc];
1169 int c;
1170 while (( p < argend )&&(**p == '-' )) {
1171 c = *((*p)+1);
1172 ++p;
1173 switch( c ) {
1174 case 'b':
1175 if ( p >= argend ) {
1176 fprintf( stderr, "TCP or socket address must be specified following '-b' option.\n");
1177 return -1;
1178 }
1179 *php_bind = strdup(*p++);
1180 break;
1181
1182 case 'c':
1183 if ( p >= argend ) {
1184 fprintf( stderr, "<path> or <file> must be specified following '-c' option.\n");
1185
1186 return -1;
1187 }
1188 *php_ini_path = strdup( *p++ );
1189 break;
1190 case 's':
1191 source_highlight = 1;
1192 break;
1193 case 'n':
1194 ignore_php_ini = 1;
1195 break;
1196 case '?':
1197 if ( *((*(p-1))+2) == 's' )
1198 exit( 99 );
1199 case 'h':
1200 case 'i':
1201 case 'l':
1202 case 'q':
1203 case 'v':
1204 default:
1205 *climode = 1;
1206 break;
1207 }
1208 }
1209 if ( p - argv < argc ) {
1210 *climode = 1;
1211 }
1212 return 0;
1213 }
1214
cli_main(int argc,char * argv[])1215 static int cli_main( int argc, char * argv[] )
1216 {
1217
1218 static const char * ini_defaults[] = {
1219 "display_errors", "1",
1220 "register_argc_argv", "1",
1221 "html_errors", "0",
1222 "implicit_flush", "1",
1223 "output_buffering", "0",
1224 "max_execution_time", "0",
1225 "max_input_time", "-1",
1226 NULL
1227 };
1228
1229 const char ** ini;
1230 char ** p = &argv[1];
1231 char ** argend= &argv[argc];
1232 int ret = -1;
1233 int c;
1234 zend_string *psKey;
1235 lsapi_mode = 0; /* enter CLI mode */
1236
1237 zend_first_try {
1238 SG(server_context) = (void *) 1;
1239
1240 zend_uv.html_errors = 0; /* tell the engine we're in non-html mode */
1241 CG(in_compilation) = 0; /* not initialized but needed for several options */
1242 SG(options) |= SAPI_OPTION_NO_CHDIR;
1243
1244 #if PHP_MAJOR_VERSION < 7
1245 EG(uninitialized_zval_ptr) = NULL;
1246 #endif
1247 for( ini = ini_defaults; *ini; ini+=2 ) {
1248 psKey = zend_string_init(*ini, strlen( *ini ), 1);
1249 zend_alter_ini_entry_chars(psKey,
1250 (char *)*(ini+1), strlen( *(ini+1) ),
1251 PHP_INI_SYSTEM, PHP_INI_STAGE_ACTIVATE);
1252 zend_string_release_ex(psKey, 1);
1253 }
1254
1255 while (( p < argend )&&(**p == '-' )) {
1256 c = *((*p)+1);
1257 ++p;
1258 switch( c ) {
1259 case 'q':
1260 break;
1261 case 'i':
1262 if (php_request_startup() != FAILURE) {
1263 php_print_info(0xFFFFFFFF);
1264 #ifdef PHP_OUTPUT_NEWAPI
1265 php_output_end_all();
1266 #else
1267 php_end_ob_buffers(1);
1268 #endif
1269 php_request_shutdown( NULL );
1270 ret = 0;
1271 }
1272 break;
1273 case 'v':
1274 if (php_request_startup() != FAILURE) {
1275 #if ZEND_DEBUG
1276 php_printf("PHP %s (%s) (built: %s %s) (DEBUG)\nCopyright (c) The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version());
1277 #else
1278 php_printf("PHP %s (%s) (built: %s %s)\nCopyright (c) The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version());
1279 #endif
1280 #ifdef PHP_OUTPUT_NEWAPI
1281 php_output_end_all();
1282 #else
1283 php_end_ob_buffers(1);
1284 #endif
1285 php_request_shutdown( NULL );
1286 ret = 0;
1287 }
1288 break;
1289 case 'c':
1290 ++p;
1291 /* fall through */
1292 case 's':
1293 break;
1294 case 'l':
1295 source_highlight = 2;
1296 break;
1297 case 'h':
1298 case '?':
1299 default:
1300 cli_usage();
1301 ret = 0;
1302 break;
1303
1304 }
1305 }
1306 if ( ret == -1 ) {
1307 if ( *p ) {
1308 zend_file_handle file_handle;
1309 zend_stream_init_fp(&file_handle, VCWD_FOPEN(*p, "rb"), NULL);
1310 file_handle.primary_script = 1;
1311
1312 if ( file_handle.handle.fp ) {
1313 script_filename = *p;
1314 php_self = *p;
1315
1316 SG(request_info).path_translated = estrdup(*p);
1317 SG(request_info).argc = argc - (p - argv);
1318 SG(request_info).argv = p;
1319
1320 if (php_request_startup() == FAILURE ) {
1321 fclose( file_handle.handle.fp );
1322 ret = 2;
1323 } else {
1324 if (source_highlight == 1) {
1325 zend_syntax_highlighter_ini syntax_highlighter_ini;
1326
1327 php_get_highlight_struct(&syntax_highlighter_ini);
1328 highlight_file(SG(request_info).path_translated, &syntax_highlighter_ini);
1329 } else if (source_highlight == 2) {
1330 file_handle.filename = zend_string_init(*p, strlen(*p), 0);
1331 file_handle.opened_path = NULL;
1332 ret = php_lint_script(&file_handle);
1333 if (ret==SUCCESS) {
1334 zend_printf("No syntax errors detected in %s\n", ZSTR_VAL(file_handle.filename));
1335 } else {
1336 zend_printf("Errors parsing %s\n", ZSTR_VAL(file_handle.filename));
1337 }
1338
1339 } else {
1340 file_handle.filename = zend_string_init(*p, strlen(*p), 0);
1341 file_handle.opened_path = NULL;
1342
1343 php_execute_script(&file_handle);
1344 ret = EG(exit_status);
1345 }
1346
1347 php_request_shutdown( NULL );
1348 }
1349 } else {
1350 fprintf(stderr, "Could not open input file: %s.\n", *p);
1351 }
1352 } else {
1353 cli_usage();
1354 }
1355 }
1356
1357 }zend_end_try();
1358
1359 php_module_shutdown();
1360
1361 #ifdef ZTS
1362 tsrm_shutdown();
1363 #endif
1364 return ret;
1365 }
1366
1367 static int s_stop;
litespeed_cleanup(int signal)1368 void litespeed_cleanup(int signal)
1369 {
1370 s_stop = signal;
1371 }
1372
1373
start_children(int children)1374 void start_children( int children )
1375 {
1376 struct sigaction act, old_term, old_quit, old_int, old_usr1;
1377 int running = 0;
1378 int status;
1379 pid_t pid;
1380
1381 /* Create a process group */
1382 setsid();
1383
1384 /* Set up handler to kill children upon exit */
1385 sigemptyset(&act.sa_mask);
1386 act.sa_flags = 0;
1387 act.sa_handler = litespeed_cleanup;
1388 if( sigaction( SIGTERM, &act, &old_term ) ||
1389 sigaction( SIGINT, &act, &old_int ) ||
1390 sigaction( SIGUSR1, &act, &old_usr1 ) ||
1391 sigaction( SIGQUIT, &act, &old_quit )) {
1392 perror( "Can't set signals" );
1393 exit( 1 );
1394 }
1395 s_stop = 0;
1396 while( 1 ) {
1397 while((!s_stop )&&( running < children )) {
1398 pid = fork();
1399 switch( pid ) {
1400 case 0: /* children process */
1401
1402 /* don't catch our signals */
1403 sigaction( SIGTERM, &old_term, 0 );
1404 sigaction( SIGQUIT, &old_quit, 0 );
1405 sigaction( SIGINT, &old_int, 0 );
1406 sigaction( SIGUSR1, &old_usr1, 0 );
1407 return ;
1408 case -1:
1409 perror( "php (pre-forking)" );
1410 exit( 1 );
1411 break;
1412 default: /* parent process */
1413 running++;
1414 break;
1415 }
1416 }
1417 if ( s_stop ) {
1418 break;
1419 }
1420 pid = wait( &status );
1421 running--;
1422 }
1423 kill( -getpgrp(), SIGUSR1 );
1424 exit( 0 );
1425 }
1426
setArgv0(int argc,char * argv[])1427 void setArgv0( int argc, char * argv[] )
1428 {
1429 char * p;
1430 int i;
1431 argv0 = argv[0] + strlen( argv[0] );
1432 p = argv0;
1433 while(( p > argv[0] )&&( p[-1] != '/'))
1434 --p;
1435 if ( p > argv[0] )
1436 {
1437 memmove( argv[0], p, argv0 - p );
1438 memset( argv[0] + ( argv0 - p ), 0, p - argv[0] );
1439 argv0 = argv[0] + (argv0 - p);
1440 }
1441 for( i = 1; i < argc; ++i )
1442 {
1443 memset( argv[i], 0, strlen( argv[i] ) );
1444 }
1445 }
1446
1447 #include <fcntl.h>
main(int argc,char * argv[])1448 int main( int argc, char * argv[] )
1449 {
1450 int ret;
1451 int bindFd;
1452
1453 char * php_ini_path = NULL;
1454 char * php_bind = NULL;
1455 int n;
1456 int climode = 0;
1457 struct timeval tv_req_begin;
1458 struct timeval tv_req_end;
1459 int slow_script_msec = 0;
1460 char time_buf[40];
1461
1462
1463 #if defined(SIGPIPE) && defined(SIG_IGN)
1464 signal(SIGPIPE, SIG_IGN);
1465 #endif
1466
1467 #ifdef ZTS
1468 php_tsrm_startup();
1469 #endif
1470
1471 #if PHP_MAJOR_VERSION >= 7
1472 #if defined(ZEND_SIGNALS) || PHP_MINOR_VERSION > 0
1473 zend_signal_startup();
1474 #endif
1475 #endif
1476
1477 if (argc > 1 ) {
1478 if ( parse_opt( argc, argv, &climode,
1479 &php_ini_path, &php_bind ) == -1 ) {
1480 return 1;
1481 }
1482 }
1483 if ( climode ) {
1484 lsapi_sapi_module.phpinfo_as_text = 1;
1485 } else {
1486 setArgv0(argc, argv );
1487 }
1488
1489 sapi_startup(&lsapi_sapi_module);
1490
1491 #ifdef ZTS
1492 compiler_globals = ts_resource(compiler_globals_id);
1493 executor_globals = ts_resource(executor_globals_id);
1494 core_globals = ts_resource(core_globals_id);
1495 sapi_globals = ts_resource(sapi_globals_id);
1496
1497 SG(request_info).path_translated = NULL;
1498 #endif
1499
1500 lsapi_sapi_module.executable_location = argv[0];
1501
1502 /* Initialize from environment variables before processing command-line
1503 * options: the latter override the former.
1504 */
1505 init_sapi_from_env(&lsapi_sapi_module);
1506
1507 if ( ignore_php_ini )
1508 lsapi_sapi_module.php_ini_ignore = 1;
1509
1510 if ( php_ini_path ) {
1511 lsapi_sapi_module.php_ini_path_override = php_ini_path;
1512 }
1513
1514
1515 lsapi_sapi_module.ini_defaults = sapi_lsapi_ini_defaults;
1516
1517 if (php_module_startup(&lsapi_sapi_module, &litespeed_module_entry) == FAILURE) {
1518 #ifdef ZTS
1519 tsrm_shutdown();
1520 #endif
1521 return FAILURE;
1522 }
1523
1524 if ( climode ) {
1525 return cli_main(argc, argv);
1526 }
1527
1528 if ( php_bind ) {
1529 bindFd = LSAPI_CreateListenSock( php_bind, 10 );
1530 if ( bindFd == -1 ) {
1531 fprintf( stderr,
1532 "Failed to bind socket [%s]: %s\n", php_bind, strerror( errno ) );
1533 exit( 2 );
1534 }
1535 if ( bindFd != 0 ) {
1536 dup2( bindFd, 0 );
1537 close( bindFd );
1538 }
1539 }
1540
1541 LSAPI_Init();
1542
1543 #if defined(linux) || defined(__linux) || defined(__linux__) || defined(__gnu_linux__)
1544 int is_criu = LSCRIU_Init(); // Must be called before the regular init as it unsets the parameters.
1545 #endif
1546
1547 LSAPI_Init_Env_Parameters( NULL );
1548 lsapi_mode = 1;
1549
1550 slow_script_msec = LSAPI_Get_Slow_Req_Msecs();
1551
1552 if ( php_bind ) {
1553 LSAPI_No_Check_ppid();
1554 free( php_bind );
1555 php_bind = NULL;
1556 }
1557
1558 int result;
1559
1560 if (do_clean_shutdown)
1561 atexit(lsapi_atexit);
1562
1563 while( ( result = LSAPI_Prefork_Accept_r( &g_req )) >= 0 ) {
1564 #if defined(linux) || defined(__linux) || defined(__linux__) || defined(__gnu_linux__)
1565 if (is_criu && !result) {
1566 LSCRIU_inc_req_processed();
1567 }
1568 #endif
1569 if ( slow_script_msec ) {
1570 gettimeofday( &tv_req_begin, NULL );
1571 }
1572 ret = processReq();
1573 if ( slow_script_msec ) {
1574 gettimeofday( &tv_req_end, NULL );
1575 n = ((long) tv_req_end.tv_sec - tv_req_begin.tv_sec ) * 1000
1576 + (tv_req_end.tv_usec - tv_req_begin.tv_usec) / 1000;
1577 if ( n > slow_script_msec )
1578 {
1579 strftime( time_buf, 30, "%d/%b/%Y:%H:%M:%S", localtime( &tv_req_end.tv_sec ) );
1580 fprintf( stderr, "[%s] Slow PHP script: %d ms\n URL: %s %s\n Query String: %s\n Script: %s\n",
1581 time_buf, n, LSAPI_GetRequestMethod(),
1582 LSAPI_GetScriptName(), LSAPI_GetQueryString(),
1583 LSAPI_GetScriptFileName() );
1584
1585 }
1586 }
1587 LSAPI_Finish();
1588 if ( ret ) {
1589 break;
1590 }
1591 }
1592
1593 php_module_shutdown();
1594
1595 #ifdef ZTS
1596 tsrm_shutdown();
1597 #endif
1598 return ret;
1599 }
1600
1601 /* LiteSpeed PHP module starts here */
1602
1603 PHP_MINFO_FUNCTION(litespeed);
1604
PHP_MINIT_FUNCTION(litespeed)1605 static PHP_MINIT_FUNCTION(litespeed)
1606 {
1607 user_config_cache_init();
1608
1609 const char *p = getenv("LSPHP_ENABLE_USER_INI");
1610 if (p && 0 == strcasecmp(p, "on"))
1611 parse_user_ini = 1;
1612
1613 p = getenv("LSAPI_CLEAN_SHUTDOWN");
1614 if (p) {
1615 if (*p == '1' || 0 == strcasecmp(p, "on"))
1616 do_clean_shutdown = 1;
1617 else if (*p == '0' || 0 == strcasecmp(p, "off"))
1618 do_clean_shutdown = 0;
1619 }
1620 /*
1621 * mod_lsapi always sets this env var,
1622 * so we can detect mod_lsapi mode with its presence.
1623 */
1624 mod_lsapi_mode = ( getenv("LSAPI_DISABLE_CPAN_BEHAV") != NULL );
1625
1626 /* REGISTER_INI_ENTRIES(); */
1627 return SUCCESS;
1628 }
1629
1630
PHP_MSHUTDOWN_FUNCTION(litespeed)1631 static PHP_MSHUTDOWN_FUNCTION(litespeed)
1632 {
1633 zend_hash_destroy(&user_config_cache);
1634
1635 /* UNREGISTER_INI_ENTRIES(); */
1636 return SUCCESS;
1637 }
1638
1639 zend_module_entry litespeed_module_entry = {
1640 STANDARD_MODULE_HEADER,
1641 "litespeed",
1642 ext_functions,
1643 PHP_MINIT(litespeed),
1644 PHP_MSHUTDOWN(litespeed),
1645 NULL,
1646 NULL,
1647 NULL,
1648 PHP_VERSION,
1649 STANDARD_MODULE_PROPERTIES
1650 };
1651
add_associate_array(const char * pKey,int keyLen,const char * pValue,int valLen,void * arg)1652 static int add_associate_array( const char * pKey, int keyLen, const char * pValue, int valLen,
1653 void * arg )
1654 {
1655 add_assoc_string_ex((zval *)arg, (char *)pKey, keyLen, (char *)pValue);
1656 return 1;
1657 }
1658
1659
1660 /* {{{ Fetch all HTTP request headers */
PHP_FUNCTION(litespeed_request_headers)1661 PHP_FUNCTION(litespeed_request_headers)
1662 {
1663 if (zend_parse_parameters_none() == FAILURE) {
1664 RETURN_THROWS();
1665 }
1666
1667 array_init(return_value);
1668
1669 LSAPI_ForeachOrgHeader( add_associate_array, return_value );
1670 }
1671 /* }}} */
1672
1673
1674
1675 /* {{{ Fetch all HTTP response headers */
PHP_FUNCTION(litespeed_response_headers)1676 PHP_FUNCTION(litespeed_response_headers)
1677 {
1678 sapi_header_struct *h;
1679 zend_llist_position pos;
1680 char * p;
1681 int len;
1682 char headerBuf[SAPI_LSAPI_MAX_HEADER_LENGTH];
1683
1684 if (zend_parse_parameters_none() == FAILURE) {
1685 RETURN_THROWS();
1686 }
1687
1688 if (!&SG(sapi_headers).headers) {
1689 RETURN_FALSE;
1690 }
1691 array_init(return_value);
1692
1693 h = zend_llist_get_first_ex(&SG(sapi_headers).headers, &pos);
1694 while (h) {
1695 if ( h->header_len > 0 ) {
1696 p = strchr( h->header, ':' );
1697 len = p - h->header;
1698 if (p && len > 0 && len < LSAPI_RESP_HTTP_HEADER_MAX) {
1699 memmove( headerBuf, h->header, len );
1700 while( len > 0 && (isspace( headerBuf[len-1])) ) {
1701 --len;
1702 }
1703 headerBuf[len] = 0;
1704 if ( len ) {
1705 while( isspace(*++p));
1706 add_assoc_string_ex(return_value, headerBuf, len, p);
1707 }
1708 }
1709 }
1710 h = zend_llist_get_next_ex(&SG(sapi_headers).headers, &pos);
1711 }
1712 }
1713
1714 /* }}} */
1715
1716
1717 /* {{{ Fetch all loaded module names */
PHP_FUNCTION(apache_get_modules)1718 PHP_FUNCTION(apache_get_modules)
1719 {
1720 static const char * mod_names[] =
1721 {
1722 "mod_rewrite", "mod_mime", "mod_headers", "mod_expires", "mod_auth_basic", NULL
1723 };
1724 const char **name = mod_names;
1725
1726 if (zend_parse_parameters_none() == FAILURE) {
1727 RETURN_THROWS();
1728 }
1729
1730 array_init(return_value);
1731 while( *name )
1732 {
1733 add_next_index_string(return_value, *name);
1734 ++name;
1735 }
1736 }
1737 /* }}} */
1738
1739
1740 /* {{{ Flushes all response data to the client */
PHP_FUNCTION(litespeed_finish_request)1741 PHP_FUNCTION(litespeed_finish_request)
1742 {
1743 if (zend_parse_parameters_none() == FAILURE) {
1744 RETURN_THROWS();
1745 }
1746
1747 php_output_end_all();
1748 php_header();
1749
1750 if (LSAPI_End_Response() != -1) {
1751 RETURN_TRUE;
1752 }
1753 RETURN_FALSE;
1754 }
1755 /* }}} */
1756
