diff options
Diffstat (limited to 'sapi/cgi/cgi_main.c')
| -rw-r--r-- | sapi/cgi/cgi_main.c | 1593 |
1 files changed, 0 insertions, 1593 deletions
diff --git a/sapi/cgi/cgi_main.c b/sapi/cgi/cgi_main.c deleted file mode 100644 index e540039ee4..0000000000 --- a/sapi/cgi/cgi_main.c +++ /dev/null @@ -1,1593 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | PHP Version 4 | - +----------------------------------------------------------------------+ - | Copyright (c) 1997-2003 The PHP Group | - +----------------------------------------------------------------------+ - | This source file is subject to version 2.02 of the PHP license, | - | that is bundled with this package in the file LICENSE, and is | - | available at through the world-wide-web at | - | http://www.php.net/license/2_02.txt. | - | If you did not receive a copy of the PHP license and are unable to | - | obtain it through the world-wide-web, please send a note to | - | license@php.net so we can mail you a copy immediately. | - +----------------------------------------------------------------------+ - | Authors: Rasmus Lerdorf <rasmus@lerdorf.on.ca> | - | Stig Bakken <ssb@fast.no> | - | Zeev Suraski <zeev@zend.com> | - | FastCGI: Ben Mansell <php@slimyhorror.com> | - | Shane Caraveo <shane@caraveo.com> | - +----------------------------------------------------------------------+ -*/ - -/* $Id$ */ - -#include "php.h" -#include "php_globals.h" -#include "php_variables.h" -#include "zend_modules.h" - -#include "SAPI.h" - -#include <stdio.h> -#include "php.h" -#ifdef PHP_WIN32 -#include "win32/time.h" -#include "win32/signal.h" -#include <process.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 -#include "zend.h" -#include "zend_extensions.h" -#include "php_ini.h" -#include "php_globals.h" -#include "php_main.h" -#include "fopen_wrappers.h" -#include "ext/standard/php_standard.h" -#ifdef PHP_WIN32 -#include <io.h> -#include <fcntl.h> -#include "win32/php_registry.h" -#endif - -#if HAVE_SIGNAL_H -#include <signal.h> -#endif - -#ifdef __riscos__ -#include <unixlib/local.h> -#endif - -#include "zend_compile.h" -#include "zend_execute.h" -#include "zend_highlight.h" -#include "zend_indent.h" - - -#include "php_getopt.h" - -#if PHP_FASTCGI -#include "fcgi_config.h" -#include "fcgiapp.h" -/* don't want to include fcgios.h, causes conflicts */ -#ifdef PHP_WIN32 -extern int OS_SetImpersonate(void); -#else -/* XXX this will need to change later when threaded fastcgi is - implemented. shane */ -struct sigaction act, old_term, old_quit, old_int; -#endif - -static void (*php_php_import_environment_variables)(zval *array_ptr TSRMLS_DC); - -#ifndef PHP_WIN32 -/* these globals used for forking children on unix systems */ -/** - * Number of child processes that will get created to service requests - */ -static int children = 0; - -/** - * Set to non-zero if we are the parent process - */ -static int parent = 1; - -/** - * Process group - */ -static pid_t pgroup; -#endif - -#endif - -#define PHP_MODE_STANDARD 1 -#define PHP_MODE_HIGHLIGHT 2 -#define PHP_MODE_INDENT 3 -#define PHP_MODE_LINT 4 -#define PHP_MODE_STRIP 5 - -static char *optarg = NULL; -static int optind = 1; - -static const opt_struct OPTIONS[] = { - {'a', 0, "interactive"}, - {'C', 0, "no-chdir"}, - {'c', 1, "php-ini"}, - {'d', 1, "define"}, - {'e', 0, "profile-info"}, - {'f', 1, "file"}, - {'g', 1, "global"}, - {'h', 0, "help"}, - {'i', 0, "info"}, - {'l', 0, "syntax-check"}, - {'m', 0, "modules"}, - {'n', 0, "no-php-ini"}, - {'q', 0, "no-header"}, - {'s', 0, "syntax-highlight"}, - {'s', 0, "syntax-highlighting"}, - {'w', 0, "strip"}, - {'?', 0, "usage"},/* help alias (both '?' and 'usage') */ - {'v', 0, "version"}, - {'z', 1, "zend-extension"}, - {'-', 0, NULL} /* end of args */ -}; - -#if ENABLE_PATHINFO_CHECK -/* true global. this is retreived once only, even for fastcgi */ -long fix_pathinfo=1; -#endif - -#ifdef PHP_WIN32 -#define TRANSLATE_SLASHES(path) \ - { \ - char *tmp = path; \ - while (*tmp) { \ - if (*tmp == '\\') *tmp = '/'; \ - tmp++; \ - } \ - } -#else -#define TRANSLATE_SLASHES(path) -#endif - -static int print_module_info(zend_module_entry *module, void *arg TSRMLS_DC) -{ - php_printf("%s\n", module->name); - return 0; -} - -static int module_name_cmp(const void *a, const void *b TSRMLS_DC) -{ - Bucket *f = *((Bucket **) a); - Bucket *s = *((Bucket **) b); - - return strcmp(((zend_module_entry *)f->pData)->name, - ((zend_module_entry *)s->pData)->name); -} - -static void print_modules(TSRMLS_D) -{ - HashTable sorted_registry; - zend_module_entry tmp; - - zend_hash_init(&sorted_registry, 50, NULL, NULL, 1); - zend_hash_copy(&sorted_registry, &module_registry, NULL, &tmp, sizeof(zend_module_entry)); - zend_hash_sort(&sorted_registry, zend_qsort, module_name_cmp, 0 TSRMLS_CC); - zend_hash_apply_with_argument(&sorted_registry, (apply_func_arg_t) print_module_info, NULL TSRMLS_CC); - zend_hash_destroy(&sorted_registry); -} - -static int print_extension_info(zend_extension *ext, void *arg TSRMLS_DC) -{ - php_printf("%s\n", ext->name); - return 0; -} - -static int extension_name_cmp(const zend_llist_element **f, - const zend_llist_element **s TSRMLS_DC) -{ - return strcmp(((zend_extension *)(*f)->data)->name, - ((zend_extension *)(*s)->data)->name); -} - -static void print_extensions(TSRMLS_D) -{ - zend_llist sorted_exts; - - zend_llist_copy(&sorted_exts, &zend_extensions); - zend_llist_sort(&sorted_exts, extension_name_cmp TSRMLS_CC); - zend_llist_apply_with_argument(&sorted_exts, (llist_apply_with_arg_func_t) print_extension_info, NULL TSRMLS_CC); - zend_llist_destroy(&sorted_exts); -} - -#ifndef STDOUT_FILENO -#define STDOUT_FILENO 1 -#endif - -static inline size_t sapi_cgibin_single_write(const char *str, uint str_length TSRMLS_DC) -{ -#ifdef PHP_WRITE_STDOUT - long ret; -#else - size_t ret; -#endif - -#if PHP_FASTCGI - if (!FCGX_IsCGI()) { - FCGX_Request *request = (FCGX_Request *)SG(server_context); - long ret = FCGX_PutStr( str, str_length, request->out ); - if (ret <= 0) { - return 0; - } - return ret; - } -#endif -#ifdef PHP_WRITE_STDOUT - ret = write(STDOUT_FILENO, str, str_length); - if (ret <= 0) return 0; - return ret; -#else - ret = fwrite(str, 1, MIN(str_length, 16384), stdout); - return ret; -#endif -} - -static int sapi_cgibin_ub_write(const char *str, uint str_length TSRMLS_DC) -{ - const char *ptr = str; - uint remaining = str_length; - size_t ret; - - while (remaining > 0) - { - ret = sapi_cgibin_single_write(ptr, remaining TSRMLS_CC); - if (!ret) { - php_handle_aborted_connection(); - } - ptr += ret; - remaining -= ret; - } - - return str_length; -} - - -static void sapi_cgibin_flush(void *server_context) -{ -#if PHP_FASTCGI - if (!FCGX_IsCGI()) { - FCGX_Request *request = (FCGX_Request *)server_context; - if(!request || FCGX_FFlush( request->out ) == -1 ) { - php_handle_aborted_connection(); - } - } else -#endif - if (fflush(stdout)==EOF) { - php_handle_aborted_connection(); - } -} - -#define SAPI_CGI_MAX_HEADER_LENGTH 1024 - -static int sapi_cgi_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC) -{ - char buf[SAPI_CGI_MAX_HEADER_LENGTH]; - sapi_header_struct *h; - zend_llist_position pos; - long rfc2616_headers = 0; - - if(SG(request_info).no_headers == 1) { - return SAPI_HEADER_SENT_SUCCESSFULLY; - } - /* Check wheater to send RFC2616 style headers compatible with - * PHP versions 4.2.3 and earlier compatible with web servers - * such as IIS. Default is informal CGI RFC header compatible - * with Apache. - */ - if (cfg_get_long("cgi.rfc2616_headers", &rfc2616_headers) == FAILURE) { - rfc2616_headers = 0; - } - - if (SG(sapi_headers).http_response_code != 200) { - int len; - - if (rfc2616_headers) { - len = snprintf(buf, SAPI_CGI_MAX_HEADER_LENGTH, - "%s\r\n", SG(sapi_headers).http_status_line); - - if (len > SAPI_CGI_MAX_HEADER_LENGTH) { - len = SAPI_CGI_MAX_HEADER_LENGTH; - } - - } else { - len = sprintf(buf, "Status: %d\r\n", SG(sapi_headers).http_response_code); - } - - PHPWRITE_H(buf, len); - } - - if (SG(sapi_headers).send_default_content_type) { - char *hd; - - hd = sapi_get_default_content_type(TSRMLS_C); - PHPWRITE_H("Content-type: ", sizeof("Content-type: ")-1); - PHPWRITE_H(hd, strlen(hd)); - PHPWRITE_H("\r\n", 2); - efree(hd); - } - - h = zend_llist_get_first_ex(&sapi_headers->headers, &pos); - while (h) { - PHPWRITE_H(h->header, h->header_len); - PHPWRITE_H("\r\n", 2); - h = zend_llist_get_next_ex(&sapi_headers->headers, &pos); - } - PHPWRITE_H("\r\n", 2); - - return SAPI_HEADER_SENT_SUCCESSFULLY; -} - - -static int sapi_cgi_read_post(char *buffer, uint count_bytes TSRMLS_DC) -{ - uint read_bytes=0, tmp_read_bytes; -#if PHP_FASTCGI - char *pos = buffer; -#endif - - count_bytes = MIN(count_bytes, (uint)SG(request_info).content_length-SG(read_post_bytes)); - while (read_bytes < count_bytes) { -#if PHP_FASTCGI - if (!FCGX_IsCGI()) { - FCGX_Request *request = (FCGX_Request *)SG(server_context); - tmp_read_bytes = FCGX_GetStr( pos, count_bytes-read_bytes, request->in ); - pos += tmp_read_bytes; - } else -#endif - tmp_read_bytes = read(0, buffer+read_bytes, count_bytes-read_bytes); - - if (tmp_read_bytes<=0) { - break; - } - read_bytes += tmp_read_bytes; - } - return read_bytes; -} - -static char *sapi_cgibin_getenv(char *name, size_t name_len TSRMLS_DC) -{ -#if PHP_FASTCGI - /* when php is started by mod_fastcgi, no regular environment - is provided to PHP. It is always sent to PHP at the start - of a request. So we have to do our own lookup to get env - vars. This could probably be faster somehow. */ - if (!FCGX_IsCGI()) { - FCGX_Request *request = (FCGX_Request *)SG(server_context); - return FCGX_GetParam(name,request->envp); - } -#endif - /* if cgi, or fastcgi and not found in fcgi env - check the regular environment */ - return getenv(name); -} - -static char *_sapi_cgibin_putenv(char *name, char *value TSRMLS_DC) -{ - int len=0; - char *buf = NULL; - if (!name) return NULL; - len = strlen(name) + (value?strlen(value):0) + sizeof("=") + 2; - buf = (char *)emalloc(len); - if (value) { - snprintf(buf,len-1,"%s=%s", name, value); - } else { - snprintf(buf,len-1,"%s=", name); - } -#if PHP_FASTCGI - /* when php is started by mod_fastcgi, no regular environment - is provided to PHP. It is always sent to PHP at the start - of a request. So we have to do our own lookup to get env - vars. This could probably be faster somehow. */ - if (!FCGX_IsCGI()) { - FCGX_Request *request = (FCGX_Request *)SG(server_context); - FCGX_PutEnv(request,buf); - efree(buf); - return sapi_cgibin_getenv(name,0 TSRMLS_CC); - } -#endif - /* if cgi, or fastcgi and not found in fcgi env - check the regular environment - this leaks, but it's only cgi anyway, we'll fix - it for 5.0 - */ - if (value) - putenv(strdup(buf)); - else - putenv(buf); - efree(buf); - return getenv(name); -} - -static char *sapi_cgi_read_cookies(TSRMLS_D) -{ - return sapi_cgibin_getenv((char *)"HTTP_COOKIE",0 TSRMLS_CC); -} - -#if PHP_FASTCGI -void cgi_php_import_environment_variables(zval *array_ptr TSRMLS_DC) -{ - if (!FCGX_IsCGI()) { - FCGX_Request *request = (FCGX_Request *)SG(server_context); - char **env, *p, *t; - - for (env = request->envp; env != NULL && *env != NULL; env++) { - p = strchr(*env, '='); - if (!p) { /* malformed entry? */ - continue; - } - t = estrndup(*env, p - *env); - php_register_variable(t, p+1, array_ptr TSRMLS_CC); - efree(t); - } - } - /* call php's original import as a catch-all */ - php_php_import_environment_variables(array_ptr TSRMLS_CC); -} -#endif - -static void sapi_cgi_register_variables(zval *track_vars_array TSRMLS_DC) -{ - /* In CGI mode, we consider the environment to be a part of the server - * variables - */ - php_import_environment_variables(track_vars_array TSRMLS_CC); - /* Build the special-case PHP_SELF variable for the CGI version */ - php_register_variable("PHP_SELF", (SG(request_info).request_uri ? SG(request_info).request_uri:""), track_vars_array TSRMLS_CC); -} - - -static void sapi_cgi_log_message(char *message) -{ - if (php_header()) { - fprintf(stderr, "%s", message); - fprintf(stderr, "\n"); - } -} - -static int sapi_cgi_deactivate(TSRMLS_D) -{ - fflush(stdout); - if(SG(request_info).argv0) { - free(SG(request_info).argv0); - SG(request_info).argv0 = NULL; - } - return SUCCESS; -} - - -static int php_cgi_startup(sapi_module_struct *sapi_module) -{ - if (php_module_startup(sapi_module, NULL, 0)==FAILURE) { - return FAILURE; - } - return SUCCESS; -} - - -/* {{{ sapi_module_struct cgi_sapi_module - */ -static sapi_module_struct cgi_sapi_module = { -#if PHP_FASTCGI - "cgi-fcgi", /* name */ - "CGI/FastCGI", /* pretty name */ -#else - "cgi", /* name */ - "CGI", /* pretty name */ -#endif - - php_cgi_startup, /* startup */ - php_module_shutdown_wrapper, /* shutdown */ - - NULL, /* activate */ - sapi_cgi_deactivate, /* deactivate */ - - sapi_cgibin_ub_write, /* unbuffered write */ - sapi_cgibin_flush, /* flush */ - NULL, /* get uid */ - sapi_cgibin_getenv, /* getenv */ - - php_error, /* error handler */ - - NULL, /* header handler */ - sapi_cgi_send_headers, /* send headers handler */ - NULL, /* send header handler */ - - sapi_cgi_read_post, /* read POST data */ - sapi_cgi_read_cookies, /* read Cookies */ - - sapi_cgi_register_variables, /* register server variables */ - sapi_cgi_log_message, /* Log message */ - - STANDARD_SAPI_MODULE_PROPERTIES -}; -/* }}} */ - -/* {{{ php_cgi_usage - */ -static void php_cgi_usage(char *argv0) -{ - char *prog; - - prog = strrchr(argv0, '/'); - if (prog) { - prog++; - } else { - prog = "php"; - } - - php_printf("Usage: %s [-q] [-h] [-s] [-v] [-i] [-f <file>]\n" - " %s <file> [args...]\n" - " -a Run interactively\n" -#if PHP_FASTCGI - " -b <address:port>|<port> Bind Path for external FASTCGI Server mode\n" -#endif - " -C Do not chdir to the script's directory\n" - " -c <path>|<file> Look for php.ini file in this directory\n" - " -n No php.ini file will be used\n" - " -d foo[=bar] Define INI entry foo with value 'bar'\n" - " -e Generate extended information for debugger/profiler\n" - " -f <file> Parse <file>. Implies `-q'\n" - " -h This help\n" - " -i PHP information\n" - " -l Syntax check only (lint)\n" - " -m Show compiled in modules\n" - " -q Quiet-mode. Suppress HTTP Header output.\n" - " -s Display colour syntax highlighted source.\n" - " -v Version number\n" - " -w Display source with stripped comments and whitespace.\n" - " -z <file> Load Zend extension <file>.\n", - prog, prog); -} -/* }}} */ - -/* {{{ init_request_info - - initializes request_info structure - - specificly in this section we handle proper translations - for: - - PATH_INFO - derived from the portion of the URI path following - the script name but preceding any query data - may be empty - - PATH_TRANSLATED - derived by taking any path-info component of the - request URI and performing any virtual-to-physical - translation appropriate to map it onto the server's - document repository structure - - empty if PATH_INFO is empty - - The env var PATH_TRANSLATED **IS DIFFERENT** than the - request_info.path_translated variable, the latter should - match SCRIPT_FILENAME instead. - - SCRIPT_NAME - set to a URL path that could identify the CGI script - rather than the interpreter. PHP_SELF is set to this. - - REQUEST_URI - uri section following the domain:port part of a URI - - SCRIPT_FILENAME - The virtual-to-physical translation of SCRIPT_NAME (as per - PATH_TRANSLATED) - - These settings are documented at - http://cgi-spec.golux.com/ - - - Based on the following URL request: - - http://localhost/info.php/test?a=b - - should produce, which btw is the same as if - we were running under mod_cgi on apache (ie. not - using ScriptAlias directives): - - PATH_INFO=/test - PATH_TRANSLATED=/docroot/test - SCRIPT_NAME=/info.php - REQUEST_URI=/info.php/test?a=b - SCRIPT_FILENAME=/docroot/info.php - QUERY_STRING=a=b - - but what we get is (cgi/mod_fastcgi under apache): - - PATH_INFO=/info.php/test - PATH_TRANSLATED=/docroot/info.php/test - SCRIPT_NAME=/php/php-cgi (from the Action setting I suppose) - REQUEST_URI=/info.php/test?a=b - SCRIPT_FILENAME=/path/to/php/bin/php-cgi (Action setting translated) - QUERY_STRING=a=b - - Comments in the code below refer to using the above URL in a request - - */ -static void init_request_info(TSRMLS_D) -{ - char *env_script_filename = sapi_cgibin_getenv("SCRIPT_FILENAME",0 TSRMLS_CC); - char *env_path_translated = sapi_cgibin_getenv("PATH_TRANSLATED",0 TSRMLS_CC); - char *script_path_translated = env_script_filename; - -#if !DISCARD_PATH - /* some broken servers do not have script_filename or argv0 - an example, IIS configured in some ways. then they do more - broken stuff and set path_translated to the cgi script location */ - if (!script_path_translated && env_path_translated) - script_path_translated = env_path_translated; -#endif - - /* initialize the defaults */ - SG(request_info).path_translated = NULL; - SG(request_info).request_method = NULL; - SG(request_info).query_string = NULL; - SG(request_info).request_uri = NULL; - SG(request_info).content_type = NULL; - SG(request_info).content_length = 0; - SG(sapi_headers).http_response_code = 200; - - /* script_path_translated being set is a good indication that - we are running in a cgi environment, since it is always - null otherwise. otherwise, the filename - of the script will be retreived later via argc/argv */ - if (script_path_translated) { - const char *auth; - char *content_length = sapi_cgibin_getenv("CONTENT_LENGTH",0 TSRMLS_CC); - char *content_type = sapi_cgibin_getenv("CONTENT_TYPE",0 TSRMLS_CC); - char *env_path_info = sapi_cgibin_getenv("PATH_INFO",0 TSRMLS_CC); - char *env_script_name = sapi_cgibin_getenv("SCRIPT_NAME",0 TSRMLS_CC); -#if ENABLE_PATHINFO_CHECK - struct stat st; - char *env_redirect_url = sapi_cgibin_getenv("REDIRECT_URL",0 TSRMLS_CC); - char *env_document_root = sapi_cgibin_getenv("DOCUMENT_ROOT",0 TSRMLS_CC); - - if (fix_pathinfo) { - - /* save the originals first for anything we change later */ - if (env_path_translated) - _sapi_cgibin_putenv("ORIG_PATH_TRANSLATED",env_path_translated TSRMLS_CC); - if (env_path_info) - _sapi_cgibin_putenv("ORIG_PATH_INFO",env_path_info TSRMLS_CC); - if (env_script_name) - _sapi_cgibin_putenv("ORIG_SCRIPT_NAME",env_script_name TSRMLS_CC); - if (env_script_filename) - _sapi_cgibin_putenv("ORIG_SCRIPT_FILENAME",env_script_filename TSRMLS_CC); - - if (!env_document_root) { - /* IIS version of DOCUMENT_ROOT, not avail in cgi, but is in fastcgi */ - env_document_root = sapi_cgibin_getenv("APPL_PHYSICAL_PATH",0 TSRMLS_CC); - /* ini version of document root */ - if (!env_document_root) - env_document_root = PG(doc_root); - - /* set the document root, this makes a more - consistent env for php scripts */ - if (env_document_root) { - env_document_root = _sapi_cgibin_putenv("DOCUMENT_ROOT",env_document_root TSRMLS_CC); - /* fix docroot */ - TRANSLATE_SLASHES(env_document_root); - } - } - - if (env_redirect_url) { - /* - pretty much apache specific. If we have a redirect_url - then our script_filename and script_name point to the - php executable - */ - script_path_translated = env_path_translated; - /* we correct SCRIPT_NAME now in case we don't have PATH_INFO */ - env_script_name = _sapi_cgibin_putenv("SCRIPT_NAME",env_redirect_url TSRMLS_CC); - } - -#ifdef __riscos__ - /* Convert path to unix format*/ - __riscosify_control|=__RISCOSIFY_DONT_CHECK_DIR; - script_path_translated=__unixify(script_path_translated,0,NULL,1,0); -#endif - - /* - * if the file doesn't exist, try to extract PATH_INFO out - * of it by stat'ing back through the '/' - * this fixes url's like /info.php/test - */ - if (script_path_translated && stat( script_path_translated, &st ) == -1 ) { - char *pt = estrdup(script_path_translated); - int len = strlen(pt); - char *ptr; - - while( (ptr = strrchr(pt,'/')) || (ptr = strrchr(pt,'\\')) ) { - *ptr = 0; - if ( stat(pt, &st) == 0 && S_ISREG(st.st_mode) ) { - /* - * okay, we found the base script! - * work out how many chars we had to strip off; - * then we can modify PATH_INFO - * accordingly - * - * we now have the makings of - * PATH_INFO=/test - * SCRIPT_FILENAME=/docroot/info.php - * - * we now need to figure out what docroot is. - * if DOCUMENT_ROOT is set, this is easy, otherwise, - * we have to play the game of hide and seek to figure - * out what SCRIPT_NAME should be - */ - int slen = len - strlen(pt); - int pilen = strlen( env_path_info ); - char *path_info = env_path_info + pilen - slen; - - env_path_info = _sapi_cgibin_putenv("PATH_INFO",path_info TSRMLS_CC); - script_path_translated = _sapi_cgibin_putenv("SCRIPT_FILENAME",pt TSRMLS_CC); - TRANSLATE_SLASHES(pt); - - /* figure out docroot - SCRIPT_FILENAME minus SCRIPT_NAME - */ - - if (env_document_root) { - int l = strlen(env_document_root); - int path_translated_len = 0; - char *path_translated = NULL; - if (env_document_root[l-1]=='/') --l; - - /* we have docroot, so we should have: - * DOCUMENT_ROOT=/docroot - * SCRIPT_FILENAME=/docroot/info.php - * - * SCRIPT_NAME is the portion of the path beyond docroot - */ - env_script_name = _sapi_cgibin_putenv("SCRIPT_NAME",pt+l TSRMLS_CC); - - /* - * PATH_TRANSATED = DOCUMENT_ROOT + PATH_INFO - */ - path_translated_len = l + strlen(env_path_info) + 2; - path_translated = (char *)emalloc(path_translated_len); - *path_translated = 0; - strncat(path_translated,env_document_root,l); - strcat(path_translated,env_path_info); - env_path_translated = _sapi_cgibin_putenv("PATH_TRANSLATED",path_translated TSRMLS_CC); - efree(path_translated); - } else if (env_script_name && - strstr(pt,env_script_name)) { - /* - * PATH_TRANSATED = PATH_TRANSATED - SCRIPT_NAME + PATH_INFO - */ - int ptlen = strlen(pt)-strlen(env_script_name); - int path_translated_len = ptlen + strlen(env_path_info) + 2; - char *path_translated = NULL; - path_translated = (char *)emalloc(path_translated_len); - *path_translated = 0; - strncat(path_translated,pt,ptlen); - strcat(path_translated,env_path_info); - env_path_translated = _sapi_cgibin_putenv("PATH_TRANSLATED",path_translated TSRMLS_CC); - efree(path_translated); - } - break; - } - } - if (!ptr) { - /* - * if we stripped out all the '/' and still didn't find - * a valid path... we will fail, badly. of course we would - * have failed anyway... we output 'no input file' now. - */ - script_path_translated = _sapi_cgibin_putenv("SCRIPT_FILENAME",NULL TSRMLS_CC); - SG(sapi_headers).http_response_code = 404; - } - if (pt) efree(pt); - } else { - /* make sure path_info/translated are empty */ - script_path_translated = _sapi_cgibin_putenv("SCRIPT_FILENAME",script_path_translated TSRMLS_CC); - _sapi_cgibin_putenv("PATH_INFO",NULL TSRMLS_CC); - _sapi_cgibin_putenv("PATH_TRANSLATED",NULL TSRMLS_CC); - } - SG(request_info).request_uri = sapi_cgibin_getenv("SCRIPT_NAME",0 TSRMLS_CC); - } else { -#endif - /* pre 4.3 behaviour, shouldn't be used but provides BC */ - if (env_path_info) - SG(request_info).request_uri = env_path_info; - else - SG(request_info).request_uri = env_script_name; -#if !DISCARD_PATH - script_path_translated = env_path_translated; -#endif -#if ENABLE_PATHINFO_CHECK - } -#endif - SG(request_info).request_method = sapi_cgibin_getenv("REQUEST_METHOD",0 TSRMLS_CC); - SG(request_info).query_string = sapi_cgibin_getenv("QUERY_STRING",0 TSRMLS_CC); - if (script_path_translated) - SG(request_info).path_translated = estrdup(script_path_translated); - SG(request_info).content_type = (content_type ? content_type : "" ); - SG(request_info).content_length = (content_length?atoi(content_length):0); - - /* The CGI RFC allows servers to pass on unvalidated Authorization data */ - auth = sapi_cgibin_getenv("HTTP_AUTHORIZATION",0 TSRMLS_CC); - php_handle_auth_data(auth TSRMLS_CC); - } -} -/* }}} */ - -static void define_command_line_ini_entry(char *arg) -{ - char *name, *value; - - name = arg; - value = strchr(arg, '='); - if (value) { - *value = 0; - value++; - } else { - value = "1"; - } - zend_alter_ini_entry(name, strlen(name)+1, value, strlen(value), PHP_INI_SYSTEM, PHP_INI_STAGE_ACTIVATE); -} - - -static void php_register_command_line_global_vars(char **arg TSRMLS_DC) -{ - char *var, *val; - - var = *arg; - val = strchr(var, '='); - if (!val) { - printf("No value specified for variable '%s'\n", var); - } else { - *val++ = '\0'; - php_register_variable(var, val, NULL TSRMLS_CC); - } - efree(*arg); -} - -#if PHP_FASTCGI -/** - * Clean up child processes upon exit - */ -void fastcgi_cleanup(int signal) -{ - -#ifdef DEBUG_FASTCGI - fprintf( stderr, "FastCGI shutdown, pid %d\n", getpid() ); -#endif - -#ifndef PHP_WIN32 - sigaction( SIGTERM, &old_term, 0 ); - - /* Kill all the processes in our process group */ - kill( -pgroup, SIGTERM ); -#endif - - /* We should exit at this point, but MacOSX doesn't seem to */ - exit( 0 ); -} -#endif - -/* {{{ main - */ -int main(int argc, char *argv[]) -{ - int exit_status = SUCCESS; - int cgi = 0, c, i, len; - zend_file_handle file_handle; - int retval = FAILURE; - char *s; -/* temporary locals */ - int behavior=PHP_MODE_STANDARD; - int no_headers=0; - int orig_optind=optind; - char *orig_optarg=optarg; - char *script_file=NULL; - zend_llist global_vars; - int interactive=0; -#if FORCE_CGI_REDIRECT - int force_redirect = 1; - char *redirect_status_env = NULL; -#endif - -/* end of temporary locals */ -#ifdef ZTS - zend_compiler_globals *compiler_globals; - zend_executor_globals *executor_globals; - php_core_globals *core_globals; - sapi_globals_struct *sapi_globals; - void ***tsrm_ls; -#endif - -#if PHP_FASTCGI - int max_requests = 500; - int requests = 0; - int fastcgi = !FCGX_IsCGI(); - char *bindpath = NULL; - int fcgi_fd = 0; - FCGX_Request request; -#ifdef PHP_WIN32 - int impersonate = 0; -#else - int status = 0; -#endif -#endif /* PHP_FASTCGI */ - -#ifdef HAVE_SIGNAL_H -#if defined(SIGPIPE) && defined(SIG_IGN) - signal(SIGPIPE, SIG_IGN); /* ignore SIGPIPE in standalone mode so - that sockets created via fsockopen() - don't kill PHP if the remote site - closes it. in apache|apxs mode apache - does that for us! thies@thieso.net - 20000419 */ -#endif -#endif - -#ifdef ZTS - tsrm_startup(1, 1, 0, NULL); -#endif - - sapi_startup(&cgi_sapi_module); - -#ifdef PHP_WIN32 - _fmode = _O_BINARY; /*sets default for file streams to binary */ - setmode(_fileno(stdin), O_BINARY); /* make the stdio mode be binary */ - setmode(_fileno(stdout), O_BINARY); /* make the stdio mode be binary */ - setmode(_fileno(stderr), O_BINARY); /* make the stdio mode be binary */ -#endif - -#if PHP_FASTCGI - if (!fastcgi) { -#endif - /* Make sure we detect we are a cgi - a bit redundancy here, - but the default case is that we have to check only the first one. */ - if (getenv("SERVER_SOFTWARE") - || getenv("SERVER_NAME") - || getenv("GATEWAY_INTERFACE") - || getenv("REQUEST_METHOD")) { - cgi = 1; - } -#if PHP_FASTCGI - } -#endif - - if (!cgi -#if PHP_FASTCGI - /* allow ini override for fastcgi */ -#endif - ) { - while ((c=php_getopt(argc, argv, OPTIONS, &optarg, &optind, 0))!=-1) { - switch (c) { - case 'c': - cgi_sapi_module.php_ini_path_override = strdup(optarg); - break; - case 'n': - cgi_sapi_module.php_ini_ignore = 1; - break; -#if PHP_FASTCGI - /* if we're started on command line, check to see if - we are being started as an 'external' fastcgi - server by accepting a bindpath parameter. */ - case 'b': - if (!fastcgi) bindpath= strdup(optarg); - break; -#endif - } - - } - optind = orig_optind; - optarg = orig_optarg; - } - -#ifdef ZTS - compiler_globals = ts_resource(compiler_globals_id); - executor_globals = ts_resource(executor_globals_id); - core_globals = ts_resource(core_globals_id); - sapi_globals = ts_resource(sapi_globals_id); - tsrm_ls = ts_resource(0); -#endif - - cgi_sapi_module.executable_location = argv[0]; - - /* startup after we get the above ini override se we get things right */ - if (php_module_startup(&cgi_sapi_module, NULL, 0)==FAILURE) { -#ifdef ZTS - tsrm_shutdown(); -#endif - return FAILURE; - } - -#if FORCE_CGI_REDIRECT - /* check force_cgi after startup, so we have proper output */ - if (cfg_get_long("cgi.force_redirect", &force_redirect) == FAILURE) { - force_redirect = 1; - } - if (cgi && force_redirect) { - if (cfg_get_string("cgi.redirect_status_env", &redirect_status_env) == FAILURE) { - redirect_status_env = NULL; - } - /* Apache will generate REDIRECT_STATUS, - * Netscape and redirect.so will generate HTTP_REDIRECT_STATUS. - * redirect.so and installation instructions available from - * http://www.koehntopp.de/php. - * -- kk@netuse.de - */ - if (!getenv("REDIRECT_STATUS") - && !getenv ("HTTP_REDIRECT_STATUS") - /* this is to allow a different env var to be configured - in case some server does something different than above */ - && (!redirect_status_env || !getenv(redirect_status_env)) - ) { - PUTS("<b>Security Alert!</b> The PHP CGI cannot be accessed directly.\n\n\ -<p>This PHP CGI binary was compiled with force-cgi-redirect enabled. This\n\ -means that a page will only be served up if the REDIRECT_STATUS CGI variable is\n\ -set, e.g. via an Apache Action directive.</p>\n\ -<p>For more information as to <i>why</i> this behaviour exists, see the <a href=\"http://php.net/security.cgi-bin\">\ -manual page for CGI security</a>.</p>\n\ -<p>For more information about changing this behaviour or re-enabling this webserver,\n\ -consult the installation file that came with this distribution, or visit \n\ -<a href=\"http://php.net/install.windows\">the manual page</a>.</p>\n"); - -#ifdef ZTS - tsrm_shutdown(); -#endif - - return FAILURE; - } - } -#endif /* FORCE_CGI_REDIRECT */ - -#if ENABLE_PATHINFO_CHECK - if (cfg_get_long("cgi.fix_pathinfo", &fix_pathinfo) == FAILURE) { - fix_pathinfo = 1; - } -#endif - -#if PHP_FASTCGI - if (bindpath) { - /* Pass on the arg to the FastCGI library, with one exception. - * If just a port is specified, then we prepend a ':' onto the - * path (it's what the fastcgi library expects) - */ - int port = atoi( bindpath ); - if( port ) { - char bindport[ 32 ]; - snprintf( bindport, 32, ":%s", bindpath ); - fcgi_fd = FCGX_OpenSocket( bindport, 128 ); - } else { - fcgi_fd = FCGX_OpenSocket( bindpath, 128 ); - } - if( fcgi_fd < 0 ) { - fprintf( stderr, "Couldn't create FastCGI listen socket on port %s\n", bindpath); -#ifdef ZTS - tsrm_shutdown(); -#endif - return FAILURE; - } - fastcgi = !FCGX_IsCGI(); - } - if (fastcgi) { - /* How many times to run PHP scripts before dying */ - if( getenv( "PHP_FCGI_MAX_REQUESTS" )) { - max_requests = atoi( getenv( "PHP_FCGI_MAX_REQUESTS" )); - if( !max_requests ) { - fprintf( stderr, - "PHP_FCGI_MAX_REQUESTS is not valid\n" ); - return FAILURE; - } - } - - /* make php call us to get _ENV vars */ - php_php_import_environment_variables = php_import_environment_variables; - php_import_environment_variables = cgi_php_import_environment_variables; - - /* library is already initialized, now init our request */ - FCGX_Init(); - FCGX_InitRequest( &request, fcgi_fd, 0 ); - -#ifndef PHP_WIN32 - /* Pre-fork, if required */ - if( getenv( "PHP_FCGI_CHILDREN" )) { - children = atoi( getenv( "PHP_FCGI_CHILDREN" )); - if( !children ) { - fprintf( stderr, - "PHP_FCGI_CHILDREN is not valid\n" ); - return FAILURE; - } - } - - if( children ) { - int running = 0; - int i; - pid_t pid; - - /* Create a process group for ourself & children */ - setsid(); - pgroup = getpgrp(); -#ifdef DEBUG_FASTCGI - fprintf( stderr, "Process group %d\n", pgroup ); -#endif - - /* Set up handler to kill children upon exit */ - act.sa_flags = 0; - act.sa_handler = fastcgi_cleanup; - if( sigaction( SIGTERM, &act, &old_term ) || - sigaction( SIGINT, &act, &old_int ) || - sigaction( SIGQUIT, &act, &old_quit )) { - perror( "Can't set signals" ); - exit( 1 ); - } - - while( parent ) { - do { -#ifdef DEBUG_FASTCGI - fprintf( stderr, "Forking, %d running\n", - running ); -#endif - pid = fork(); - switch( pid ) { - case 0: - /* One of the children. - * Make sure we don't go round the - * fork loop any more - */ - parent = 0; - - /* don't catch our signals */ - sigaction( SIGTERM, &old_term, 0 ); - sigaction( SIGQUIT, &old_quit, 0 ); - sigaction( SIGINT, &old_int, 0 ); - break; - case -1: - perror( "php (pre-forking)" ); - exit( 1 ); - break; - default: - /* Fine */ - running++; - break; - } - } while( parent && ( running < children )); - - if( parent ) { -#ifdef DEBUG_FASTCGI - fprintf( stderr, "Wait for kids, pid %d\n", - getpid() ); -#endif - wait( &status ); - running--; - } - } - } - -#endif /* WIN32 */ - } -#endif /* FASTCGI */ - - zend_first_try { - if (!cgi -#if PHP_FASTCGI - && !fastcgi -#endif - ) { - while ((c=php_getopt(argc, argv, OPTIONS, &optarg, &optind, 1))!=-1) { - switch (c) { - case 'h': - case '?': - no_headers = 1; - php_output_startup(); - php_output_activate(TSRMLS_C); - SG(headers_sent) = 1; - php_cgi_usage(argv[0]); - php_end_ob_buffers(1 TSRMLS_CC); - exit(1); - break; - } - } - optind = orig_optind; - optarg = orig_optarg; - } - -#if PHP_FASTCGI - /* start of FAST CGI loop */ - /* Initialise FastCGI request structure */ - -#ifdef PHP_WIN32 - /* attempt to set security impersonation for fastcgi - will only happen on NT based OS, others will ignore it. */ - if (fastcgi) { - if (cfg_get_long("fastcgi.impersonate", &impersonate) == FAILURE) { - impersonate = 0; - } - if (impersonate) OS_SetImpersonate(); - } -#endif - - while (!fastcgi - || FCGX_Accept_r( &request ) >= 0) { -#endif - -#if PHP_FASTCGI - SG(server_context) = (void *) &request; -#else - SG(server_context) = (void *) 1; /* avoid server_context==NULL checks */ -#endif - - init_request_info(TSRMLS_C); - - zend_llist_init(&global_vars, sizeof(char *), NULL, 0); - - CG(interactive) = 0; - - if (!cgi -#if PHP_FASTCGI - && !fastcgi -#endif - ) { - - if (cgi_sapi_module.php_ini_path_override && cgi_sapi_module.php_ini_ignore) { - no_headers = 1; - php_output_startup(); - php_output_activate(TSRMLS_C); - SG(headers_sent) = 1; - php_printf("You cannot use both -n and -c switch. Use -h for help.\n"); - php_end_ob_buffers(1 TSRMLS_CC); - exit(1); - } - - while ((c = php_getopt(argc, argv, OPTIONS, &optarg, &optind, 0)) != -1) { - switch (c) { - - case 'a': /* interactive mode */ - printf("Interactive mode enabled\n\n"); - interactive=1; - break; - - case 'C': /* don't chdir to the script directory */ - SG(options) |= SAPI_OPTION_NO_CHDIR; - break; - case 'd': /* define ini entries on command line */ - define_command_line_ini_entry(optarg); - break; - - case 'e': /* enable extended info output */ - CG(extended_info) = 1; - break; - - case 'f': /* parse file */ - script_file = estrdup(optarg); - no_headers = 1; - break; - - case 'g': /* define global variables on command line */ - { - char *arg = estrdup(optarg); - - zend_llist_add_element(&global_vars, &arg); - } - break; - - case 'i': /* php info & quit */ - if (php_request_startup(TSRMLS_C)==FAILURE) { - php_module_shutdown(TSRMLS_C); - return FAILURE; - } - if (no_headers) { - SG(headers_sent) = 1; - SG(request_info).no_headers = 1; - } - php_print_info(0xFFFFFFFF TSRMLS_CC); - php_end_ob_buffers(1 TSRMLS_CC); - exit(1); - break; - - case 'l': /* syntax check mode */ - no_headers = 1; - behavior=PHP_MODE_LINT; - break; - - case 'm': /* list compiled in modules */ - php_output_startup(); - php_output_activate(TSRMLS_C); - SG(headers_sent) = 1; - php_printf("[PHP Modules]\n"); - print_modules(TSRMLS_C); - php_printf("\n[Zend Modules]\n"); - print_extensions(TSRMLS_C); - php_printf("\n"); - php_end_ob_buffers(1 TSRMLS_CC); - exit(1); - break; - -#if 0 /* not yet operational, see also below ... */ - case '': /* generate indented source mode*/ - behavior=PHP_MODE_INDENT; - break; -#endif - - case 'q': /* do not generate HTTP headers */ - no_headers = 1; - break; - - case 's': /* generate highlighted HTML from source */ - behavior=PHP_MODE_HIGHLIGHT; - break; - - case 'v': /* show php version & quit */ - no_headers = 1; - if (php_request_startup(TSRMLS_C)==FAILURE) { - php_module_shutdown(TSRMLS_C); - return FAILURE; - } - if (no_headers) { - SG(headers_sent) = 1; - SG(request_info).no_headers = 1; - } - php_printf("PHP %s (%s), Copyright (c) 1997-2003 The PHP Group\n%s", PHP_VERSION, sapi_module.name, get_zend_version()); - php_end_ob_buffers(1 TSRMLS_CC); - exit(1); - break; - - case 'w': - behavior=PHP_MODE_STRIP; - break; - - case 'z': /* load extension file */ - zend_load_extension(optarg); - break; - - default: - break; - } - } - - if (!SG(request_info).query_string) { - len = 0; - if (script_file) { - len += strlen(script_file) + 1; - } - for (i = optind; i < argc; i++) { - len += strlen(argv[i]) + 1; - } - - s = malloc(len + 1); /* leak - but only for command line version, so ok */ - *s = '\0'; /* we are pretending it came from the environment */ - if (script_file) { - strcpy(s, script_file); - if (optind<argc) { - strcat(s, "+"); - } - } - for (i = optind, len = 0; i < argc; i++) { - strcat(s, argv[i]); - if (i < (argc - 1)) { - strcat(s, "+"); - } - } - SG(request_info).query_string = s; - } - - if (script_file) { - /* override path_translated if -f on command line */ - SG(request_info).path_translated = script_file; - } - - if (no_headers) { - SG(headers_sent) = 1; - SG(request_info).no_headers = 1; - } - - if (!SG(request_info).path_translated && argc > optind) { - /* file is on command line, but not in -f opt */ - SG(request_info).path_translated = estrdup(argv[optind]); - } - } /* end !cgi && !fastcgi */ - - /* - we never take stdin if we're (f)cgi, always - rely on the web server giving us the info - we need in the environment. - */ - if (cgi -#if PHP_FASTCGI - || fastcgi -#endif - ) - { - file_handle.type = ZEND_HANDLE_FILENAME; - file_handle.filename = SG(request_info).path_translated; - file_handle.handle.fp = NULL; - } else { - file_handle.filename = "-"; - file_handle.type = ZEND_HANDLE_FP; - file_handle.handle.fp = stdin; - } - - file_handle.opened_path = NULL; - file_handle.free_filename = 0; - - /* request startup only after we've done all we can to - get path_translated */ - if (php_request_startup(TSRMLS_C)==FAILURE) { - php_module_shutdown(TSRMLS_C); - return FAILURE; - } - if (no_headers) { - SG(headers_sent) = 1; - SG(request_info).no_headers = 1; - } - - /* This actually destructs the elements of the list - ugly hack */ - zend_llist_apply(&global_vars, (llist_apply_func_t) php_register_command_line_global_vars TSRMLS_CC); - zend_llist_destroy(&global_vars); - - /* - at this point path_translated will be set if: - 1. we are running from shell and got filename was there - 2. we are running as cgi or fastcgi - */ - if (cgi || SG(request_info).path_translated) { - retval = php_fopen_primary_script(&file_handle TSRMLS_CC); - } - /* - if we are unable to open path_translated and we are not - running from shell (so fp == NULL), then fail. - */ - if (retval == FAILURE && file_handle.handle.fp == NULL) { - SG(sapi_headers).http_response_code = 404; - PUTS("No input file specified.\n"); - php_request_shutdown((void *) 0); - php_module_shutdown(TSRMLS_C); - return FAILURE; - } - - if (file_handle.handle.fp && (file_handle.handle.fp != stdin)) { - /* #!php support */ - c = fgetc(file_handle.handle.fp); - if (c == '#') { - while (c != 10 && c != 13) { - c = fgetc(file_handle.handle.fp); /* skip to end of line */ - } - /* handle situations where line is terminated by \r\n */ - if (c == 13) { - if (fgetc(file_handle.handle.fp) != 10) { - long pos = ftell(file_handle.handle.fp); - fseek(file_handle.handle.fp, pos - 1, SEEK_SET); - } - } - CG(start_lineno) = 2; - } else { - rewind(file_handle.handle.fp); - } - } - - switch (behavior) { - case PHP_MODE_STANDARD: - php_execute_script(&file_handle TSRMLS_CC); - exit_status = EG(exit_status); - break; - case PHP_MODE_LINT: - PG(during_request_startup) = 0; - exit_status = php_lint_script(&file_handle TSRMLS_CC); - if (exit_status==SUCCESS) { - zend_printf("No syntax errors detected in %s\n", file_handle.filename); - } else { - zend_printf("Errors parsing %s\n", file_handle.filename); - } - break; - case PHP_MODE_STRIP: - if (open_file_for_scanning(&file_handle TSRMLS_CC)==SUCCESS) { - zend_strip(TSRMLS_C); - fclose(file_handle.handle.fp); - } - return SUCCESS; - break; - case PHP_MODE_HIGHLIGHT: - { - zend_syntax_highlighter_ini syntax_highlighter_ini; - - if (open_file_for_scanning(&file_handle TSRMLS_CC)==SUCCESS) { - php_get_highlight_struct(&syntax_highlighter_ini); - zend_highlight(&syntax_highlighter_ini TSRMLS_CC); - fclose(file_handle.handle.fp); - } - return SUCCESS; - } - break; -#if 0 - /* Zeev might want to do something with this one day */ - case PHP_MODE_INDENT: - open_file_for_scanning(&file_handle TSRMLS_CC); - zend_indent(); - fclose(file_handle.handle.fp); - return SUCCESS; - break; -#endif - } - - { - char *path_translated; - - /* Go through this trouble so that the memory manager doesn't warn - * about SG(request_info).path_translated leaking - */ - if (SG(request_info).path_translated) { - path_translated = strdup(SG(request_info).path_translated); - STR_FREE(SG(request_info).path_translated); - SG(request_info).path_translated = path_translated; - } - - php_request_shutdown((void *) 0); - - if (SG(request_info).path_translated) { - free(SG(request_info).path_translated); - SG(request_info).path_translated = NULL; - } - } - -#if PHP_FASTCGI - if (!fastcgi) break; - /* only fastcgi will get here */ - requests++; - if( max_requests && ( requests == max_requests )) { - FCGX_Finish_r(&request); - if (bindpath) free (bindpath); - break; - } - /* end of fastcgi loop */ - } -#endif - - if (cgi_sapi_module.php_ini_path_override) { - free(cgi_sapi_module.php_ini_path_override); - } - } zend_catch { - exit_status = 255; - } zend_end_try(); - - php_module_shutdown(TSRMLS_C); - sapi_shutdown(); - -#ifdef ZTS - /*tsrm_shutdown();*/ -#endif - -#if PHP_WIN32 && ZEND_DEBUG && 0 - _CrtDumpMemoryLeaks( ); -#endif - - return exit_status; -} -/* }}} */ - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * End: - * vim600: sw=4 ts=4 fdm=marker - * vim<600: sw=4 ts=4 - */ |