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nsapi.c
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nsapi.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2014 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Jayakumar Muthukumarasamy <jk@kasenna.com> |
| Uwe Schindler <uwe@thetaphi.de> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
/*
* PHP includes
*/
#define NSAPI 1
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_variables.h"
#include "ext/standard/info.h"
#include "php_ini.h"
#include "php_globals.h"
#include "SAPI.h"
#include "php_main.h"
#include "php_version.h"
#include "TSRM.h"
#include "ext/standard/php_standard.h"
#include <sys/types.h>
#include <sys/stat.h>
#ifndef RTLD_DEFAULT
#define RTLD_DEFAULT NULL
#endif
/*
* If neither XP_UNIX not XP_WIN32 is defined use PHP_WIN32
*/
#if !defined(XP_UNIX) && !defined(XP_WIN32)
#ifdef PHP_WIN32
#define XP_WIN32
#else
#define XP_UNIX
#endif
#endif
/*
* The manual define of HPUX is to fix bug #46020, nsapi.h needs this to detect HPUX
*/
#ifdef __hpux
#define HPUX
#endif
/*
* NSAPI includes
*/
#include "nsapi.h"
/* fix for gcc4 visibility issue */
#ifndef PHP_WIN32
# undef NSAPI_PUBLIC
# define NSAPI_PUBLIC PHPAPI
#endif
#define NSLS_D struct nsapi_request_context *request_context
#define NSLS_DC , NSLS_D
#define NSLS_C request_context
#define NSLS_CC , NSLS_C
#define NSG(v) (request_context->v)
/*
* ZTS needs to be defined for NSAPI to work
*/
#if !defined(ZTS)
#error "NSAPI module needs ZTS to be defined"
#endif
/*
* Structure to encapsulate the NSAPI request in SAPI
*/
typedef struct nsapi_request_context {
pblock *pb;
Session *sn;
Request *rq;
int read_post_bytes;
char *path_info;
int fixed_script; /* 0 if script is from URI, 1 if script is from "script" parameter */
short http_error; /* 0 in normal mode; for errors the HTTP error code */
} nsapi_request_context;
/*
* Mappings between NSAPI names and environment variables. This
* mapping was obtained from the sample programs at the iplanet
* website.
*/
typedef struct nsapi_equiv {
const char *env_var;
const char *nsapi_eq;
} nsapi_equiv;
static nsapi_equiv nsapi_reqpb[] = {
{ "QUERY_STRING", "query" },
{ "REQUEST_LINE", "clf-request" },
{ "REQUEST_METHOD", "method" },
{ "PHP_SELF", "uri" },
{ "SERVER_PROTOCOL", "protocol" }
};
static size_t nsapi_reqpb_size = sizeof(nsapi_reqpb)/sizeof(nsapi_reqpb[0]);
static nsapi_equiv nsapi_vars[] = {
{ "AUTH_TYPE", "auth-type" },
{ "CLIENT_CERT", "auth-cert" },
{ "REMOTE_USER", "auth-user" }
};
static size_t nsapi_vars_size = sizeof(nsapi_vars)/sizeof(nsapi_vars[0]);
static nsapi_equiv nsapi_client[] = {
{ "HTTPS_KEYSIZE", "keysize" },
{ "HTTPS_SECRETSIZE", "secret-keysize" },
{ "REMOTE_ADDR", "ip" },
{ "REMOTE_HOST", "ip" }
};
static size_t nsapi_client_size = sizeof(nsapi_client)/sizeof(nsapi_client[0]);
/* this parameters to "Service"/"Error" are NSAPI ones which should not be php.ini keys and are excluded */
static char *nsapi_exclude_from_ini_entries[] = { "fn", "type", "method", "directive", "code", "reason", "script", "bucket", NULL };
static void nsapi_free(void *addr)
{
if (addr != NULL) {
FREE(addr);
}
}
/*******************/
/* PHP module part */
/*******************/
PHP_MINIT_FUNCTION(nsapi);
PHP_MSHUTDOWN_FUNCTION(nsapi);
PHP_RINIT_FUNCTION(nsapi);
PHP_RSHUTDOWN_FUNCTION(nsapi);
PHP_MINFO_FUNCTION(nsapi);
PHP_FUNCTION(nsapi_virtual);
PHP_FUNCTION(nsapi_request_headers);
PHP_FUNCTION(nsapi_response_headers);
ZEND_BEGIN_MODULE_GLOBALS(nsapi)
long read_timeout;
ZEND_END_MODULE_GLOBALS(nsapi)
ZEND_DECLARE_MODULE_GLOBALS(nsapi)
#define NSAPI_G(v) TSRMG(nsapi_globals_id, zend_nsapi_globals *, v)
/* {{{ arginfo */
ZEND_BEGIN_ARG_INFO_EX(arginfo_nsapi_virtual, 0, 0, 1)
ZEND_ARG_INFO(0, uri)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_nsapi_request_headers, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_nsapi_response_headers, 0)
ZEND_END_ARG_INFO()
/* }}} */
/* {{{ nsapi_functions[]
*
* Every user visible function must have an entry in nsapi_functions[].
*/
const zend_function_entry nsapi_functions[] = {
PHP_FE(nsapi_virtual, arginfo_nsapi_virtual) /* Make subrequest */
PHP_FALIAS(virtual, nsapi_virtual, arginfo_nsapi_virtual) /* compatibility */
PHP_FE(nsapi_request_headers, arginfo_nsapi_request_headers) /* get request headers */
PHP_FALIAS(getallheaders, nsapi_request_headers, arginfo_nsapi_request_headers) /* compatibility */
PHP_FALIAS(apache_request_headers, nsapi_request_headers, arginfo_nsapi_request_headers) /* compatibility */
PHP_FE(nsapi_response_headers, arginfo_nsapi_response_headers) /* get response headers */
PHP_FALIAS(apache_response_headers, nsapi_response_headers, arginfo_nsapi_response_headers) /* compatibility */
{NULL, NULL, NULL}
};
/* }}} */
/* {{{ nsapi_module_entry
*/
zend_module_entry nsapi_module_entry = {
STANDARD_MODULE_HEADER,
"nsapi",
nsapi_functions,
PHP_MINIT(nsapi),
PHP_MSHUTDOWN(nsapi),
NULL,
NULL,
PHP_MINFO(nsapi),
NO_VERSION_YET,
STANDARD_MODULE_PROPERTIES
};
/* }}} */
/* {{{ PHP_INI
*/
PHP_INI_BEGIN()
STD_PHP_INI_ENTRY("nsapi.read_timeout", "60", PHP_INI_ALL, OnUpdateLong, read_timeout, zend_nsapi_globals, nsapi_globals)
PHP_INI_END()
/* }}} */
/* newer servers hide this functions from the programmer so redefine the functions dynamically
thanks to Chris Elving from Sun for the function declarations */
typedef int (*nsapi_servact_prototype)(Session *sn, Request *rq);
nsapi_servact_prototype nsapi_servact_uri2path = NULL;
nsapi_servact_prototype nsapi_servact_pathchecks = NULL;
nsapi_servact_prototype nsapi_servact_fileinfo = NULL;
nsapi_servact_prototype nsapi_servact_service = NULL;
#ifdef PHP_WIN32
/* The following dll-names for nsapi are in use at this time. The undocumented
* servact_* functions are always in the newest one, older ones are supported by
* the server only by wrapping the function table nothing else. So choose
* the newest one found in process space for dynamic linking */
static char *nsapi_dlls[] = { "ns-httpd40.dll", "ns-httpd36.dll", "ns-httpd35.dll", "ns-httpd30.dll", NULL };
/* if user specifies an other dll name by server_lib parameter
* it is placed in the following variable and only this DLL is
* checked for the servact_* functions */
char *nsapi_dll = NULL;
#endif
/* {{{ php_nsapi_init_dynamic_symbols
*/
static void php_nsapi_init_dynamic_symbols(void)
{
/* find address of internal NSAPI functions */
#ifdef PHP_WIN32
register int i;
DL_HANDLE module = NULL;
if (nsapi_dll) {
/* try user specified server_lib */
module = GetModuleHandle(nsapi_dll);
if (!module) {
log_error(LOG_WARN, "php5_init", NULL, NULL, "Cannot find DLL specified by server_lib parameter: %s", nsapi_dll);
}
} else {
/* find a LOADED dll module from nsapi_dlls */
for (i=0; nsapi_dlls[i]; i++) {
if (module = GetModuleHandle(nsapi_dlls[i])) {
break;
}
}
}
if (!module) return;
#else
DL_HANDLE module = RTLD_DEFAULT;
#endif
nsapi_servact_uri2path = (nsapi_servact_prototype)DL_FETCH_SYMBOL(module, "INTservact_uri2path");
nsapi_servact_pathchecks = (nsapi_servact_prototype)DL_FETCH_SYMBOL(module, "INTservact_pathchecks");
nsapi_servact_fileinfo = (nsapi_servact_prototype)DL_FETCH_SYMBOL(module, "INTservact_fileinfo");
nsapi_servact_service = (nsapi_servact_prototype)DL_FETCH_SYMBOL(module, "INTservact_service");
if (!(nsapi_servact_uri2path && nsapi_servact_pathchecks && nsapi_servact_fileinfo && nsapi_servact_service)) {
/* not found - could be cause they are undocumented */
nsapi_servact_uri2path = NULL;
nsapi_servact_pathchecks = NULL;
nsapi_servact_fileinfo = NULL;
nsapi_servact_service = NULL;
}
}
/* }}} */
/* {{{ php_nsapi_init_globals
*/
static void php_nsapi_init_globals(zend_nsapi_globals *nsapi_globals)
{
nsapi_globals->read_timeout = 60;
}
/* }}} */
/* {{{ PHP_MINIT_FUNCTION
*/
PHP_MINIT_FUNCTION(nsapi)
{
php_nsapi_init_dynamic_symbols();
ZEND_INIT_MODULE_GLOBALS(nsapi, php_nsapi_init_globals, NULL);
REGISTER_INI_ENTRIES();
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MSHUTDOWN_FUNCTION
*/
PHP_MSHUTDOWN_FUNCTION(nsapi)
{
UNREGISTER_INI_ENTRIES();
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION
*/
PHP_MINFO_FUNCTION(nsapi)
{
php_info_print_table_start();
php_info_print_table_row(2, "NSAPI Module Revision", "$Id$");
php_info_print_table_row(2, "Server Software", system_version());
php_info_print_table_row(2, "Sub-requests with nsapi_virtual()",
(nsapi_servact_service)?((zend_ini_long("zlib.output_compression", sizeof("zlib.output_compression"), 0))?"not supported with zlib.output_compression":"enabled"):"not supported on this platform" );
php_info_print_table_end();
DISPLAY_INI_ENTRIES();
}
/* }}} */
/* {{{ proto bool nsapi_virtual(string uri)
Perform an NSAPI sub-request */
/* This function is equivalent to <!--#include virtual...-->
* in SSI. It does an NSAPI sub-request. It is useful
* for including CGI scripts or .shtml files, or anything else
* that you'd parse through webserver.
*/
PHP_FUNCTION(nsapi_virtual)
{
int uri_len,rv;
char *uri,*value;
Request *rq;
nsapi_request_context *rc = (nsapi_request_context *)SG(server_context);
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &uri, &uri_len) == FAILURE) {
return;
}
if (!nsapi_servact_service) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to include uri '%s' - Sub-requests not supported on this platform", uri);
RETURN_FALSE;
} else if (zend_ini_long("zlib.output_compression", sizeof("zlib.output_compression"), 0)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to include uri '%s' - Sub-requests do not work with zlib.output_compression", uri);
RETURN_FALSE;
} else {
php_output_end_all(TSRMLS_C);
php_header(TSRMLS_C);
/* do the sub-request */
/* thanks to Chris Elving from Sun for this code sniplet */
if ((rq = request_restart_internal(uri, NULL)) == NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to include uri '%s' - Internal request creation failed", uri);
RETURN_FALSE;
}
/* insert host of current request to get page from same vhost */
param_free(pblock_remove("host", rq->headers));
if (value = pblock_findval("host", rc->rq->headers)) {
pblock_nvinsert("host", value, rq->headers);
}
/* go through the normal request stages as given in obj.conf,
but leave out the logging/error section */
do {
rv = (*nsapi_servact_uri2path)(rc->sn, rq);
if (rv != REQ_PROCEED) {
continue;
}
rv = (*nsapi_servact_pathchecks)(rc->sn, rq);
if (rv != REQ_PROCEED) {
continue;
}
rv = (*nsapi_servact_fileinfo)(rc->sn, rq);
if (rv != REQ_PROCEED) {
continue;
}
rv = (*nsapi_servact_service)(rc->sn, rq);
} while (rv == REQ_RESTART);
if (rq->status_num != 200) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to include uri '%s' - HTTP status code %d during subrequest", uri, rq->status_num);
request_free(rq);
RETURN_FALSE;
}
request_free(rq);
RETURN_TRUE;
}
}
/* }}} */
/* {{{ proto array nsapi_request_headers(void)
Get all headers from the request */
PHP_FUNCTION(nsapi_request_headers)
{
register int i;
struct pb_entry *entry;
nsapi_request_context *rc = (nsapi_request_context *)SG(server_context);
if (zend_parse_parameters_none() == FAILURE) {
return;
}
array_init(return_value);
for (i=0; i < rc->rq->headers->hsize; i++) {
entry=rc->rq->headers->ht[i];
while (entry) {
add_assoc_string(return_value, entry->param->name, entry->param->value, 1);
entry=entry->next;
}
}
}
/* }}} */
/* {{{ proto array nsapi_response_headers(void)
Get all headers from the response */
PHP_FUNCTION(nsapi_response_headers)
{
register int i;
struct pb_entry *entry;
nsapi_request_context *rc = (nsapi_request_context *)SG(server_context);
if (zend_parse_parameters_none() == FAILURE) {
return;
}
array_init(return_value);
for (i=0; i < rc->rq->srvhdrs->hsize; i++) {
entry=rc->rq->srvhdrs->ht[i];
while (entry) {
add_assoc_string(return_value, entry->param->name, entry->param->value, 1);
entry=entry->next;
}
}
}
/* }}} */
/*************/
/* SAPI part */
/*************/
static int sapi_nsapi_ub_write(const char *str, unsigned int str_length TSRMLS_DC)
{
int retval;
nsapi_request_context *rc = (nsapi_request_context *)SG(server_context);
if (!SG(headers_sent)) {
sapi_send_headers(TSRMLS_C);
}
retval = net_write(rc->sn->csd, (char *)str, str_length);
if (retval == IO_ERROR /* -1 */ || retval == IO_EOF /* 0 */) {
php_handle_aborted_connection();
}
return retval;
}
/* modified version of apache2 */
static void sapi_nsapi_flush(void *server_context)
{
nsapi_request_context *rc = (nsapi_request_context *)server_context;
TSRMLS_FETCH();
if (!rc) {
/* we have no context, so no flushing needed. This fixes a SIGSEGV on shutdown */
return;
}
if (!SG(headers_sent)) {
sapi_send_headers(TSRMLS_C);
}
/* flushing is only supported in iPlanet servers from version 6.1 on, make it conditional */
#if NSAPI_VERSION >= 302
if (net_flush(rc->sn->csd) < 0) {
php_handle_aborted_connection();
}
#endif
}
/* callback for zend_llist_apply on SAPI_HEADER_DELETE_ALL operation */
static int php_nsapi_remove_header(sapi_header_struct *sapi_header TSRMLS_DC)
{
char *header_name, *p;
nsapi_request_context *rc = (nsapi_request_context *)SG(server_context);
/* copy the header, because NSAPI needs reformatting and we do not want to change the parameter */
header_name = pool_strdup(rc->sn->pool, sapi_header->header);
/* extract name, this works, if only the header without ':' is given, too */
if (p = strchr(header_name, ':')) {
*p = 0;
}
/* header_name to lower case because NSAPI reformats the headers and wants lowercase */
for (p=header_name; *p; p++) {
*p=tolower(*p);
}
/* remove the header */
param_free(pblock_remove(header_name, rc->rq->srvhdrs));
pool_free(rc->sn->pool, header_name);
return ZEND_HASH_APPLY_KEEP;
}
static int sapi_nsapi_header_handler(sapi_header_struct *sapi_header, sapi_header_op_enum op, sapi_headers_struct *sapi_headers TSRMLS_DC)
{
char *header_name, *header_content, *p;
nsapi_request_context *rc = (nsapi_request_context *)SG(server_context);
switch(op) {
case SAPI_HEADER_DELETE_ALL:
/* this only deletes headers set or overwritten by PHP, headers previously set by NSAPI are left intact */
zend_llist_apply(&sapi_headers->headers, (llist_apply_func_t) php_nsapi_remove_header TSRMLS_CC);
return 0;
case SAPI_HEADER_DELETE:
/* reuse the zend_llist_apply callback function for this, too */
php_nsapi_remove_header(sapi_header TSRMLS_CC);
return 0;
case SAPI_HEADER_ADD:
case SAPI_HEADER_REPLACE:
/* copy the header, because NSAPI needs reformatting and we do not want to change the parameter */
header_name = pool_strdup(rc->sn->pool, sapi_header->header);
/* split header and align pointer for content */
header_content = strchr(header_name, ':');
if (header_content) {
*header_content = 0;
do {
header_content++;
} while (*header_content==' ');
/* header_name to lower case because NSAPI reformats the headers and wants lowercase */
for (p=header_name; *p; p++) {
*p=tolower(*p);
}
/* if REPLACE, remove first. "Content-type" is always removed, as SAPI has a bug according to this */
if (op==SAPI_HEADER_REPLACE || strcmp(header_name, "content-type")==0) {
param_free(pblock_remove(header_name, rc->rq->srvhdrs));
}
/* ADD header to nsapi table */
pblock_nvinsert(header_name, header_content, rc->rq->srvhdrs);
}
pool_free(rc->sn->pool, header_name);
return SAPI_HEADER_ADD;
default:
return 0;
}
}
static int sapi_nsapi_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC)
{
int retval;
nsapi_request_context *rc = (nsapi_request_context *)SG(server_context);
if (SG(sapi_headers).send_default_content_type) {
char *hd;
param_free(pblock_remove("content-type", rc->rq->srvhdrs));
hd = sapi_get_default_content_type(TSRMLS_C);
pblock_nvinsert("content-type", hd, rc->rq->srvhdrs);
efree(hd);
}
protocol_status(rc->sn, rc->rq, SG(sapi_headers).http_response_code, NULL);
retval = protocol_start_response(rc->sn, rc->rq);
if (retval == REQ_PROCEED || retval == REQ_NOACTION) {
return SAPI_HEADER_SENT_SUCCESSFULLY;
} else {
return SAPI_HEADER_SEND_FAILED;
}
}
static int sapi_nsapi_read_post(char *buffer, uint count_bytes TSRMLS_DC)
{
nsapi_request_context *rc = (nsapi_request_context *)SG(server_context);
char *read_ptr = buffer, *content_length_str = NULL;
uint bytes_read = 0;
int length, content_length = 0;
netbuf *nbuf = rc->sn->inbuf;
/*
* Yesss!
*/
count_bytes = MIN(count_bytes, SG(request_info).content_length-rc->read_post_bytes);
content_length = SG(request_info).content_length;
if (content_length <= 0) {
return 0;
}
/*
* Gobble any pending data in the netbuf.
*/
length = nbuf->cursize - nbuf->pos;
length = MIN(count_bytes, length);
if (length > 0) {
memcpy(read_ptr, nbuf->inbuf + nbuf->pos, length);
bytes_read += length;
read_ptr += length;
content_length -= length;
nbuf->pos += length;
}
/*
* Read the remaining from the socket.
*/
while (content_length > 0 && bytes_read < count_bytes) {
int bytes_to_read = count_bytes - bytes_read;
if (content_length < bytes_to_read) {
bytes_to_read = content_length;
}
length = net_read(rc->sn->csd, read_ptr, bytes_to_read, NSAPI_G(read_timeout));
if (length == IO_ERROR || length == IO_EOF) {
break;
}
bytes_read += length;
read_ptr += length;
content_length -= length;
}
if ( bytes_read > 0 ) {
rc->read_post_bytes += bytes_read;
}
return bytes_read;
}
static char *sapi_nsapi_read_cookies(TSRMLS_D)
{
char *cookie_string;
nsapi_request_context *rc = (nsapi_request_context *)SG(server_context);
cookie_string = pblock_findval("cookie", rc->rq->headers);
return cookie_string;
}
static void sapi_nsapi_register_server_variables(zval *track_vars_array TSRMLS_DC)
{
nsapi_request_context *rc = (nsapi_request_context *)SG(server_context);
register size_t i;
int pos;
char *value,*p;
char buf[32];
struct pb_entry *entry;
for (i = 0; i < nsapi_reqpb_size; i++) {
value = pblock_findval(nsapi_reqpb[i].nsapi_eq, rc->rq->reqpb);
if (value) {
php_register_variable((char *)nsapi_reqpb[i].env_var, value, track_vars_array TSRMLS_CC);
}
}
for (i=0; i < rc->rq->headers->hsize; i++) {
entry=rc->rq->headers->ht[i];
while (entry) {
if (strcasecmp(entry->param->name, "content-length")==0 || strcasecmp(entry->param->name, "content-type")==0) {
value=estrdup(entry->param->name);
pos = 0;
} else {
spprintf(&value, 0, "HTTP_%s", entry->param->name);
pos = 5;
}
if (value) {
for(p = value + pos; *p; p++) {
*p = toupper(*p);
if (!isalnum(*p)) {
*p = '_';
}
}
php_register_variable(value, entry->param->value, track_vars_array TSRMLS_CC);
efree(value);
}
entry=entry->next;
}
}
for (i = 0; i < nsapi_vars_size; i++) {
value = pblock_findval(nsapi_vars[i].nsapi_eq, rc->rq->vars);
if (value) {
php_register_variable((char *)nsapi_vars[i].env_var, value, track_vars_array TSRMLS_CC);
}
}
for (i = 0; i < nsapi_client_size; i++) {
value = pblock_findval(nsapi_client[i].nsapi_eq, rc->sn->client);
if (value) {
php_register_variable((char *)nsapi_client[i].env_var, value, track_vars_array TSRMLS_CC);
}
}
if (value = session_dns(rc->sn)) {
php_register_variable("REMOTE_HOST", value, track_vars_array TSRMLS_CC);
nsapi_free(value);
}
slprintf(buf, sizeof(buf), "%d", conf_getglobals()->Vport);
php_register_variable("SERVER_PORT", buf, track_vars_array TSRMLS_CC);
php_register_variable("SERVER_NAME", conf_getglobals()->Vserver_hostname, track_vars_array TSRMLS_CC);
value = http_uri2url_dynamic("", "", rc->sn, rc->rq);
php_register_variable("SERVER_URL", value, track_vars_array TSRMLS_CC);
nsapi_free(value);
php_register_variable("SERVER_SOFTWARE", system_version(), track_vars_array TSRMLS_CC);
if (security_active) {
php_register_variable("HTTPS", "ON", track_vars_array TSRMLS_CC);
}
php_register_variable("GATEWAY_INTERFACE", "CGI/1.1", track_vars_array TSRMLS_CC);
/* DOCUMENT_ROOT */
if (value = request_translate_uri("/", rc->sn)) {
pos = strlen(value);
php_register_variable_safe("DOCUMENT_ROOT", value, pos-1, track_vars_array TSRMLS_CC);
nsapi_free(value);
}
/* PATH_INFO / PATH_TRANSLATED */
if (rc->path_info) {
if (value = request_translate_uri(rc->path_info, rc->sn)) {
php_register_variable("PATH_TRANSLATED", value, track_vars_array TSRMLS_CC);
nsapi_free(value);
}
php_register_variable("PATH_INFO", rc->path_info, track_vars_array TSRMLS_CC);
}
/* Create full Request-URI & Script-Name */
if (SG(request_info).request_uri) {
pos = strlen(SG(request_info).request_uri);
if (SG(request_info).query_string) {
spprintf(&value, 0, "%s?%s", SG(request_info).request_uri, SG(request_info).query_string);
if (value) {
php_register_variable("REQUEST_URI", value, track_vars_array TSRMLS_CC);
efree(value);
}
} else {
php_register_variable_safe("REQUEST_URI", SG(request_info).request_uri, pos, track_vars_array TSRMLS_CC);
}
if (rc->path_info) {
pos -= strlen(rc->path_info);
if (pos<0) {
pos = 0;
}
}
php_register_variable_safe("SCRIPT_NAME", SG(request_info).request_uri, pos, track_vars_array TSRMLS_CC);
}
php_register_variable("SCRIPT_FILENAME", SG(request_info).path_translated, track_vars_array TSRMLS_CC);
/* special variables in error mode */
if (rc->http_error) {
slprintf(buf, sizeof(buf), "%d", rc->http_error);
php_register_variable("ERROR_TYPE", buf, track_vars_array TSRMLS_CC);
}
}
static void nsapi_log_message(char *message TSRMLS_DC)
{
nsapi_request_context *rc = (nsapi_request_context *)SG(server_context);
if (rc) {
log_error(LOG_INFORM, pblock_findval("fn", rc->pb), rc->sn, rc->rq, "%s", message);
} else {
log_error(LOG_INFORM, "php5", NULL, NULL, "%s", message);
}
}
static double sapi_nsapi_get_request_time(TSRMLS_D)
{
return REQ_TIME( ((nsapi_request_context *)SG(server_context))->rq );
}
static int php_nsapi_startup(sapi_module_struct *sapi_module)
{
if (php_module_startup(sapi_module, &nsapi_module_entry, 1)==FAILURE) {
return FAILURE;
}
return SUCCESS;
}
static struct stat* sapi_nsapi_get_stat(TSRMLS_D)
{
return request_stat_path(
SG(request_info).path_translated,
((nsapi_request_context *)SG(server_context))->rq
);
}
static sapi_module_struct nsapi_sapi_module = {
"nsapi", /* name */
"NSAPI", /* pretty name */
php_nsapi_startup, /* startup */
php_module_shutdown_wrapper, /* shutdown */
NULL, /* activate */
NULL, /* deactivate */
sapi_nsapi_ub_write, /* unbuffered write */
sapi_nsapi_flush, /* flush */
sapi_nsapi_get_stat, /* get uid/stat */
NULL, /* getenv */
php_error, /* error handler */
sapi_nsapi_header_handler, /* header handler */
sapi_nsapi_send_headers, /* send headers handler */
NULL, /* send header handler */
sapi_nsapi_read_post, /* read POST data */
sapi_nsapi_read_cookies, /* read Cookies */
sapi_nsapi_register_server_variables, /* register server variables */
nsapi_log_message, /* Log message */
sapi_nsapi_get_request_time, /* Get request time */
NULL, /* Child terminate */
NULL, /* Block interruptions */
NULL, /* Unblock interruptions */
STANDARD_SAPI_MODULE_PROPERTIES
};
static void nsapi_php_ini_entries(NSLS_D TSRMLS_DC)
{
struct pb_entry *entry;
register int i,j,ok;
for (i=0; i < NSG(pb)->hsize; i++) {
entry=NSG(pb)->ht[i];
while (entry) {
/* exclude standard entries given to "Service" which should not go into ini entries */
ok=1;
for (j=0; nsapi_exclude_from_ini_entries[j]; j++) {
ok&=(strcasecmp(entry->param->name, nsapi_exclude_from_ini_entries[j])!=0);
}
if (ok) {
/* change the ini entry */
if (zend_alter_ini_entry(entry->param->name, strlen(entry->param->name)+1,
entry->param->value, strlen(entry->param->value),
PHP_INI_SYSTEM, PHP_INI_STAGE_ACTIVATE)==FAILURE) {
log_error(LOG_WARN, pblock_findval("fn", NSG(pb)), NSG(sn), NSG(rq), "Cannot change php.ini key \"%s\" to \"%s\"", entry->param->name, entry->param->value);
}
}
entry=entry->next;
}
}
}
void NSAPI_PUBLIC php5_close(void *vparam)
{
if (nsapi_sapi_module.shutdown) {
nsapi_sapi_module.shutdown(&nsapi_sapi_module);
}
if (nsapi_sapi_module.php_ini_path_override) {
free(nsapi_sapi_module.php_ini_path_override);
}
#ifdef PHP_WIN32
if (nsapi_dll) {
free(nsapi_dll);
nsapi_dll = NULL;
}
#endif
sapi_shutdown();
tsrm_shutdown();
log_error(LOG_INFORM, "php5_close", NULL, NULL, "Shutdown PHP Module");
}
/*********************************************************
/ init SAF
/
/ Init fn="php5_init" [php_ini="/path/to/php.ini"] [server_lib="ns-httpdXX.dll"]
/ Initialize the NSAPI module in magnus.conf
/
/ php_ini: gives path to php.ini file
/ server_lib: (only Win32) gives name of DLL (without path) to look for
/ servact_* functions
/
/*********************************************************/
int NSAPI_PUBLIC php5_init(pblock *pb, Session *sn, Request *rq)
{
php_core_globals *core_globals;
char *strval;
int threads=128; /* default for server */
/* fetch max threads from NSAPI and initialize TSRM with it */
threads=conf_getglobals()->Vpool_maxthreads;
if (threads<1) {
threads=128; /* default for server */
}
tsrm_startup(threads, 1, 0, NULL);
core_globals = ts_resource(core_globals_id);
/* look if php_ini parameter is given to php5_init */
if (strval = pblock_findval("php_ini", pb)) {
nsapi_sapi_module.php_ini_path_override = strdup(strval);
}
#ifdef PHP_WIN32
/* look if server_lib parameter is given to php5_init
* (this disables the automatic search for the newest ns-httpdXX.dll) */
if (strval = pblock_findval("server_lib", pb)) {
nsapi_dll = strdup(strval);
}
#endif
/* start SAPI */
sapi_startup(&nsapi_sapi_module);
nsapi_sapi_module.startup(&nsapi_sapi_module);
daemon_atrestart(&php5_close, NULL);
log_error(LOG_INFORM, pblock_findval("fn", pb), sn, rq, "Initialized PHP Module (%d threads expected)", threads);
return REQ_PROCEED;
}
/*********************************************************
/ normal use in Service directive:
/
/ Service fn="php5_execute" type=... method=... [inikey=inivalue inikey=inivalue...]
/
/ use in Service for a directory to supply a php-made directory listing instead of server default:
/
/ Service fn="php5_execute" type="magnus-internal/directory" script="/path/to/script.php" [inikey=inivalue inikey=inivalue...]
/
/ use in Error SAF to display php script as error page:
/
/ Error fn="php5_execute" code=XXX script="/path/to/script.php" [inikey=inivalue inikey=inivalue...]
/ Error fn="php5_execute" reason="Reason" script="/path/to/script.php" [inikey=inivalue inikey=inivalue...]
/
/*********************************************************/
int NSAPI_PUBLIC php5_execute(pblock *pb, Session *sn, Request *rq)
{
int retval;
nsapi_request_context *request_context;
zend_file_handle file_handle = {0};
struct stat *fst;
char *path_info;
char *query_string = pblock_findval("query", rq->reqpb);
char *uri = pblock_findval("uri", rq->reqpb);
char *request_method = pblock_findval("method", rq->reqpb);
char *content_type = pblock_findval("content-type", rq->headers);
char *content_length = pblock_findval("content-length", rq->headers);
char *directive = pblock_findval("Directive", pb);
int error_directive = (directive && !strcasecmp(directive, "error"));
int fixed_script = 1;
/* try to use script parameter -> Error or Service for directory listing */
char *path_translated = pblock_findval("script", pb);
TSRMLS_FETCH();
/* if script parameter is missing: normal use as Service SAF */
if (!path_translated) {
path_translated = pblock_findval("path", rq->vars);
path_info = pblock_findval("path-info", rq->vars);
fixed_script = 0;
if (error_directive) {
/* go to next error directive if script parameter is missing */
log_error(LOG_WARN, pblock_findval("fn", pb), sn, rq, "Missing 'script' parameter");
return REQ_NOACTION;
}
} else {
/* in error the path_info is the uri to the requested page */
path_info = pblock_findval("uri", rq->reqpb);
}
/* check if this uri was included in an other PHP script with nsapi_virtual()
by looking for a request context in the current thread */
if (SG(server_context)) {
/* send 500 internal server error */
log_error(LOG_WARN, pblock_findval("fn", pb), sn, rq, "Cannot make nesting PHP requests with nsapi_virtual()");