shane Sat Jan 25 17:02:46 2003 EDT
Modified files: (Branch: PHP_4_3)
/php4/sapi/cgi cgi_main.c
Log:
MFH
fix bug 21261
putenv on some platforms requires we provide the memory
cleanup env parsing logic
fix bug 21367
missed optargs in a previous patch
Index: php4/sapi/cgi/cgi_main.c
diff -u php4/sapi/cgi/cgi_main.c:1.190.2.11 php4/sapi/cgi/cgi_main.c:1.190.2.12
--- php4/sapi/cgi/cgi_main.c:1.190.2.11 Tue Jan 7 19:44:58 2003
+++ php4/sapi/cgi/cgi_main.c Sat Jan 25 17:02:45 2003
@@ -137,7 +137,7 @@
#define TRANSLATE_SLASHES(path)
#endif
-#define OPTSTRING "aCc:d:ef:g:hilmnqsw?vz:"
+#define OPTSTRING "abCc:d:ef:g:hilmnqsw?vz:"
static int print_module_info(zend_module_entry *module, void *arg TSRMLS_DC)
{
@@ -360,11 +360,11 @@
return getenv(name);
}
-static int _sapi_cgibin_putenv(char *name, char *value TSRMLS_DC)
+static char *_sapi_cgibin_putenv(char *name, char *value TSRMLS_DC)
{
int len=0;
char *buf = NULL;
- if (!name) return -1;
+ if (!name) return NULL;
len = strlen(name) + (value?strlen(value):0) + sizeof("=") + 2;
buf = (char *)emalloc(len);
if (value) {
@@ -372,7 +372,6 @@
} 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
@@ -382,16 +381,23 @@
FCGX_Request *request = (FCGX_Request *)SG(server_context);
FCGX_PutEnv(request,buf);
efree(buf);
- return 0;
+ return sapi_cgibin_getenv(name,0 TSRMLS_CC);
}
#endif
/* if cgi, or fastcgi and not found in fcgi env
- check the regular environment */
- putenv(buf);
+ 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 0;
+ return getenv(name);
}
+
static char *sapi_cgi_read_cookies(TSRMLS_D)
{
return sapi_cgibin_getenv((char *)"HTTP_COOKIE",0 TSRMLS_CC);
@@ -534,95 +540,161 @@
}
/* }}} */
+
/* {{{ 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 *content_length = sapi_cgibin_getenv("CONTENT_LENGTH",0 TSRMLS_CC);
- char *content_type = sapi_cgibin_getenv("CONTENT_TYPE",0 TSRMLS_CC);
- const char *auth;
- char *env_path_translated;
+ 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;
+
+ /* 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;
+ /* initialize the defaults */
SG(request_info).path_translated = NULL;
- /*
- * If for some reason the CGI interface is not setting the
- * PATH_TRANSLATED correctly, SG(request_info).path_translated is NULL.
- * We still call php_fopen_primary_script, because if you set doc_root
- * or user_dir configuration directives, SCRIPT_NAME is used to construct
- * the filename as a side effect of php_fopen_primary_script.
- *
- * Fixup path stuff to conform to CGI spec
- *
- * 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
- *
- * cgi/mod_fastcgi under apache produce:
- *
- * 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
- *
- */
-
- env_path_translated = sapi_cgibin_getenv("PATH_TRANSLATED",0 TSRMLS_CC);
+ 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;
- if(env_path_translated) {
-#ifdef __riscos__
- /* Convert path to unix format*/
- __riscosify_control|=__RISCOSIFY_DONT_CHECK_DIR;
- env_path_translated=__unixify(env_path_translated,0,NULL,1,0);
-#endif
-
+ /* 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);
#if ENABLE_PATHINFO_CHECK
- /*
- * 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
- *
- * ini cgi.fix_pathinfo is on by default, but can be turned off
- * if someone is running a server that does this correctly
- */
+ struct stat st;
+ char *env_path_info = sapi_cgibin_getenv("PATH_INFO",0 TSRMLS_CC);
+ char *env_script_name = sapi_cgibin_getenv("SCRIPT_NAME",0 TSRMLS_CC);
+ 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) {
- struct stat st;
- char *env_script_name = sapi_cgibin_getenv("SCRIPT_NAME",0
TSRMLS_CC);
- char *env_path_info = sapi_cgibin_getenv("PATH_INFO",0
TSRMLS_CC);
- char *env_redirect_url = sapi_cgibin_getenv("REDIRECT_URL",0
TSRMLS_CC);
- if (env_path_info) env_path_info = estrdup(env_path_info);
-
- if (env_redirect_url ||
- (env_script_name && env_path_info &&
- strcmp(env_path_info,env_script_name)==0)) {
- /*
- * if PHP is setup under a ScriptAlias in Apache, the
- * redirect_url variable will be set. In this case,
script_*
- * points to the executable, not the script. We have
to
- * reset this stuff and clear PATH_INFO since it is
also wrong.
- * This unfortunately is Apache specific. IIS sets
PATH_INFO
- * and SCRIPT_NAME to the same thing if there is no
*real* PATH_INFO.
- */
-
_sapi_cgibin_putenv("SCRIPT_FILENAME",env_path_translated TSRMLS_CC);
- _sapi_cgibin_putenv("PATH_INFO",NULL TSRMLS_CC);
- if (env_redirect_url)
-
_sapi_cgibin_putenv("SCRIPT_NAME",env_redirect_url TSRMLS_CC);
+
+ /* 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 (stat( env_path_translated, &st ) == -1 ) {
- char *pt = estrdup(env_path_translated);
+ 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 (stat( script_path_translated, &st ) == -1 ) {
+ char *pt = estrdup(script_path_translated);
int len = strlen(pt);
char *ptr;
@@ -635,7 +707,7 @@
* then we can modify PATH_INFO
* accordingly
*
- * we now have the makings of
+ * we now have the makings of
* PATH_INFO=/test
* SCRIPT_FILENAME=/docroot/info.php
*
@@ -644,24 +716,23 @@
* we have to play the game of hide
and seek to figure
* out what SCRIPT_NAME should be
*/
- char *env_document_root =
sapi_cgibin_getenv("DOCUMENT_ROOT",0 TSRMLS_CC);
int slen = len - strlen(pt);
int pilen = strlen( env_path_info );
char *path_info = env_path_info +
pilen - slen;
-
_sapi_cgibin_putenv("PATH_INFO",path_info TSRMLS_CC);
-
_sapi_cgibin_putenv("SCRIPT_FILENAME",pt TSRMLS_CC);
+ 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)
- env_document_root =
PG(doc_root);
+
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
@@ -669,92 +740,67 @@
*
* SCRIPT_NAME is the portion
of the path beyond docroot
*/
-
_sapi_cgibin_putenv("SCRIPT_NAME",pt+l TSRMLS_CC);
+ env_script_name =
+_sapi_cgibin_putenv("SCRIPT_NAME",pt+l TSRMLS_CC);
- /*
+ /*
* PATH_TRANSATED =
DOCUMENT_ROOT + PATH_INFO
*/
- path_translated_len = l +
strlen(path_info) + 2;
+ path_translated_len = l +
+strlen(env_path_info) + 2;
path_translated = (char
*)emalloc(path_translated_len);
*path_translated = 0;
-
strcat(path_translated,env_document_root);
-
strcat(path_translated,path_info);
-
_sapi_cgibin_putenv("PATH_TRANSLATED",path_translated TSRMLS_CC);
+
+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(path_info) + 2;
+ 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,path_info);
-
_sapi_cgibin_putenv("PATH_TRANSLATED",path_translated TSRMLS_CC);
+
+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);
- /*
- * 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... is there a nice way to error?
- */
+ } 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);
}
- if (env_path_info) efree(env_path_info);
- } else
-#endif
- {
- /* old broken logic here, but at least reverts to
- * previous behaviour if the fixup is ignored, or there
- * is a working server.
- *
- * 1. DISCARD_PATH IS BAD
- * 2. PATH_INFO will never be right
- */
-#if DISCARD_PATH
- env_path_translated = sapi_cgibin_getenv("SCRIPT_FILENAME",0
TSRMLS_CC);
-#else
- env_path_translated = sapi_cgibin_getenv("PATH_TRANSLATED",0
TSRMLS_CC);
-#endif
- SG(request_info).path_translated = env_path_translated;
}
- }
+#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);
- SG(request_info).request_uri = sapi_cgibin_getenv("SCRIPT_NAME",0 TSRMLS_CC);
-
- if (!SG(request_info).request_uri) {
- /* this is old logic, and completely incorrect by CGI spec
- * this is used to generate PHP_SELF, which should actually
- * match SCRIPT_NAME. This is being left so PHP will be as broken
- * as it was before if a server does not set SCRIPT_NAME.
- */
- SG(request_info).request_uri = sapi_cgibin_getenv("PATH_INFO",0
TSRMLS_CC);
+ 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);
+ SG(request_info).request_uri = sapi_cgibin_getenv("SCRIPT_NAME",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);
}
- if (!SG(request_info).path_translated) {
- /* if this didn't get set above, do it now, default to script_filename
*/
- SG(request_info).path_translated =
sapi_cgibin_getenv("SCRIPT_FILENAME",0 TSRMLS_CC);
- }
- if (!SG(request_info).path_translated) {
- /* server didn't set script_filename, default to path_translated */
- SG(request_info).path_translated =
sapi_cgibin_getenv("PATH_TRANSLATED",0 TSRMLS_CC);
- }
- if (SG(request_info).path_translated)
- SG(request_info).path_translated =
estrdup(SG(request_info).path_translated);
- SG(request_info).content_type = (content_type ? content_type : "" );
- SG(request_info).content_length = (content_length?atoi(content_length):0);
- SG(sapi_headers).http_response_code = 200;
-
- /* 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);
}
/* }}} */
@@ -915,31 +961,20 @@
case 'n':
cgi_sapi_module.php_ini_ignore = 1;
break;
- }
-
- }
- ap_php_optind = orig_optind;
- ap_php_optarg = orig_optarg;
- }
-
#if PHP_FASTCGI
- if (!cgi && !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. */
- while ((c=ap_php_getopt(argc, argv, OPTSTRING))!=-1) {
- switch (c) {
+ /* 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':
- bindpath= strdup(ap_php_optarg);
+ if (!fastcgi) bindpath= strdup(ap_php_optarg);
break;
+#endif
}
}
ap_php_optind = orig_optind;
ap_php_optarg = orig_optarg;
}
-#endif
-
#ifdef ZTS
compiler_globals = ts_resource(compiler_globals_id);
@@ -1186,11 +1221,7 @@
#if PHP_FASTCGI
&& !fastcgi
#endif
- ) { /* never execute the arguments if you are a CGI */
- if (SG(request_info).argv0) {
- free(SG(request_info).argv0);
- SG(request_info).argv0 = NULL;
- }
+ ) {
if (cgi_sapi_module.php_ini_path_override &&
cgi_sapi_module.php_ini_ignore) {
no_headers = 1;
@@ -1365,6 +1396,7 @@
if (fastcgi) {
file_handle.type = ZEND_HANDLE_FILENAME;
file_handle.filename = SG(request_info).path_translated;
+ file_handle.handle.fp = NULL;
} else {
#endif
file_handle.filename = "-";
--
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