New SAPI module for the WebJames server on RISC OS

@- New SAPI module for the WebJames server on RISC OS (Alex Waugh)

6 files changed, 426 insertions, 0 deletions

diff --git a/sapi/webjames/CREDITS b/sapi/webjames/CREDITS
new file mode 100644
index 0000000000..73a7983e92
--- /dev/null
+++ b/sapi/webjames/CREDITS
@@ -0,0 +1,2 @@
+WebJames
+Alex Waugh
diff --git a/sapi/webjames/Makefile.in b/sapi/webjames/Makefile.in
new file mode 100644
index 0000000000..b0dc7f1162
--- /dev/null
+++ b/sapi/webjames/Makefile.in
@@ -0,0 +1,5 @@
+
+LTLIBRARY_NAME    = libsapi.la
+LTLIBRARY_SOURCES = webjames.c
+
+include $(top_srcdir)/build/ltlib.mk
diff --git a/sapi/webjames/README b/sapi/webjames/README
new file mode 100644
index 0000000000..10625a179e
--- /dev/null
+++ b/sapi/webjames/README
@@ -0,0 +1,32 @@
+README for WebJames SAPI module 
+by Alex Waugh <alex@alexwaugh.com>
+
+This is a SAPI module for the WebJames HTTP server, which runs on the
+RISC OS operating system.
+
+
+DOWNLOADS
+
+A recent (September 2001 or later) version of the GCCSDK cross compiler
+http://www.hard-mofo.dsvr.net/
+
+WebJames 0.31 or later
+http://www.webjames.alexwaugh.com/
+
+
+BUILDING
+
+$ cd webjames
+
+Edit Makefile if nessacery
+
+$ make setup
+$ cd ../php4
+$ ./configure \
+	--host=arm-riscos-aof \
+	--with-webjames=../webjames \
+	--with-config-file-path=/Choices: \
+	other PHP options
+$ make install
+$ cd ../webjames
+$ make
diff --git a/sapi/webjames/config.m4 b/sapi/webjames/config.m4
new file mode 100644
index 0000000000..1c8750ad0f
--- /dev/null
+++ b/sapi/webjames/config.m4
@@ -0,0 +1,20 @@
+AC_ARG_WITH(webjames,
+[  --with-webjames=SRCDIR  Build PHP as a WebJames module (RISC OS only)],[
+  PHP_EXPAND_PATH($withval, WEBJAMES)
+  INSTALL_IT="\
+    echo '\\#Created by PHP configure' > $WEBJAMES/build/php; \
+    echo 'PHP_LIBS = -l$abs_srcdir/$SAPI_STATIC \$(PHP_LIBS) \$(EXTRA_LIBS)' >> $WEBJAMES/build/php; \
+    echo 'PHP_LDFLAGS = \$(NATIVE_RPATHS) \$(PHP_LDFLAGS)' >> $WEBJAMES/build/php; \
+    echo 'PHP_CFLAGS = -DPHP \$(COMMON_FLAGS) \$(CFLAGS) \$(EXTRA_CFLAGS) -I$abs_srcdir/sapi/webjames' >> $WEBJAMES/build/php; \
+    echo 'WIMPSLOT = \$\$(WIMPSLOT_PHP)' >> $WEBJAMES/build/php; \
+    echo 'REMOVE_ATTRIBUTE=Action php-script.*' >> $WEBJAMES/build/php;"
+  PHP_WEBJAMES="yes, using $WEBJAMES"
+  PHP_ADD_INCLUDE($WEBJAMES)
+  PHP_BUILD_STATIC
+  PHP_SAPI=webjames
+],[
+  PHP_WEBJAMES="no"
+])
+
+AC_MSG_CHECKING(for webjames)
+AC_MSG_RESULT($PHP_WEBJAMES)
diff --git a/sapi/webjames/php_webjames.h b/sapi/webjames/php_webjames.h
new file mode 100644
index 0000000000..c8bef42977
--- /dev/null
+++ b/sapi/webjames/php_webjames.h
@@ -0,0 +1,28 @@
+/*
+   +----------------------------------------------------------------------+
+   | PHP version 4.0                                                      |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1997, 1998, 1999, 2000 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.               |
+   +----------------------------------------------------------------------+
+   | Author: Alex Waugh <alex@alexwaugh.com>                              |
+   +----------------------------------------------------------------------+
+*/
+
+#ifndef PHP_WEBJAMES_H
+#define PHP_WEBJAMES_H
+
+#include "webjames.h"
+
+void webjames_php_shutdown(void);
+int webjames_php_init(void);
+void webjames_php_request(struct connection *conn);
+
+#endif
diff --git a/sapi/webjames/webjames.c b/sapi/webjames/webjames.c
new file mode 100644
index 0000000000..41a5c824b6
--- /dev/null
+++ b/sapi/webjames/webjames.c
@@ -0,0 +1,339 @@
+/*
+   +----------------------------------------------------------------------+
+   | PHP version 4.0                                                      |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1997, 1998, 1999, 2000 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.               |
+   +----------------------------------------------------------------------+
+   | Author: Alex Waugh <alex@alexwaugh.com>                              |
+   +----------------------------------------------------------------------+
+*/
+
+
+#include "php.h"
+#include "SAPI.h"
+#include "php_main.h"
+#include "php_variables.h"
+
+#define WEBJAMES_PHP_ONLY
+#include "php_webjames.h"
+
+#include <unixlib/local.h>
+
+#define WEBJAMES_SAPI_VERSION "1.0.0"
+
+typedef struct {
+	struct connection *conn; /*structure holding all the details of the current request*/
+	int bodyread; /*amount of POST body read*/
+	closefn oldclose; /*function to call to close the connection*/
+} php_webjames_globals;
+
+static php_webjames_globals webjames_globals;
+
+#define WLS_D
+#define WLS_DC
+#define WLS_C
+#define WLS_CC
+#define WG(v) (webjames_globals.v)
+#define WLS_FETCH()
+
+static int sapi_webjames_ub_write(const char *str, uint str_length)
+/*unbuffered write - send data straight out to socket*/
+{
+	int bytes;
+	WLS_FETCH();
+	
+	bytes = webjames_writebuffer(WG(conn),str,str_length);
+	if (bytes<0) {
+		PG(connection_status) = PHP_CONNECTION_ABORTED;
+		if (!PG(ignore_user_abort)) {
+			zend_bailout();
+		}
+	}
+	return bytes;
+}
+
+static int sapi_webjames_send_headers(sapi_headers_struct *sapi_headers SLS_DC)
+/*send the HTTP response line*/
+{
+	char buf[256];
+	WLS_FETCH();
+
+	if (WG(conn)->flags.outputheaders) {
+		if (!SG(sapi_headers).http_status_line) {
+			int code=SG(sapi_headers).http_response_code;
+			snprintf(buf, 255, "HTTP/1.0 %d %s\r\n", code, code==200 ? "OK" : code==302 ? "Moved temporarily" : "Something");
+			webjames_writestring(WG(conn), buf);
+		}
+	}
+	
+	return SAPI_HEADER_DO_SEND;
+}
+
+static void sapi_webjames_send_header(sapi_header_struct *sapi_header, void *server_context)
+/*send an HTTP header*/
+{
+	WLS_FETCH();
+
+	if (WG(conn)->flags.outputheaders) {
+		if (sapi_header)
+			webjames_writebuffer(WG(conn), sapi_header->header, sapi_header->header_len);
+		webjames_writestring(WG(conn), "\r\n");
+	}
+}
+
+static int sapi_webjames_read_post(char *buffer, uint count_bytes SLS_DC)
+/*read some of the post data*/
+{
+	WLS_FETCH();
+
+	if (WG(conn)->body==NULL) return 0;
+	if (count_bytes+WG(bodyread)>WG(conn)->bodysize) count_bytes=WG(conn)->bodysize-WG(bodyread);
+	memcpy(buffer, WG(conn)->body+WG(bodyread), count_bytes);
+	WG(bodyread)+=count_bytes;
+	return count_bytes;
+}
+
+static char *sapi_webjames_read_cookies(SLS_D)
+{
+	WLS_FETCH();
+	
+	return WG(conn)->cookie;
+}
+
+#define BUF_SIZE 512
+#define ADD_STRING(name,string)\
+	php_register_variable(name, string, track_vars_array ELS_CC PLS_CC)
+
+#define ADD_NUM(name,field) {\
+	snprintf(buf, BUF_SIZE, "%d", WG(conn)->field);\
+	php_register_variable(name, buf, track_vars_array ELS_CC PLS_CC);\
+}
+
+#define ADD_FIELD(name, field) 							\
+	if (WG(conn)->field) {								\
+		php_register_variable(name, WG(conn)->field, track_vars_array ELS_CC PLS_C); \
+	}
+
+static void sapi_webjames_register_variables(zval *track_vars_array ELS_DC SLS_DC PLS_DC)
+{
+	char buf[BUF_SIZE + 1];
+	WLS_FETCH();
+
+	buf[BUF_SIZE] = '\0';
+
+	ADD_STRING("SERVER_SOFTWARE", configuration.server);
+	ADD_STRING("SERVER_NAME", configuration.serverip);
+	ADD_FIELD("SERVER_PROTOCOL", protocol);
+	ADD_NUM("SERVER_PORT", port);
+	ADD_STRING("SERVER_ADMIN",configuration.webmaster);
+	ADD_STRING("GATEWAY_INTERFACE", "CGI/1.1");
+	ADD_STRING("DOCUMENT_ROOT", configuration.site);
+
+	ADD_FIELD("REQUEST_METHOD", methodstr);
+	ADD_FIELD("REQUEST_URI", requesturi);
+	ADD_STRING("PATH_TRANSLATED", SG(request_info).path_translated);
+	ADD_FIELD("SCRIPT_NAME", uri);
+	ADD_FIELD("PHP_SELF", uri);
+	ADD_FIELD("QUERY_STRING", args);
+
+	
+	snprintf(buf, BUF_SIZE, "%d.%d.%d.%d", WG(conn)->ipaddr[0], WG(conn)->ipaddr[1], WG(conn)->ipaddr[2], WG(conn)->ipaddr[3]);
+	ADD_STRING("REMOTE_ADDR", buf);
+	if (WG(conn)->dnsstatus == DNS_OK) ADD_FIELD("REMOTE_HOST", host);
+
+	if ((WG(conn)->method == METHOD_POST) || (WG(conn)->method == METHOD_PUT)) {
+		ADD_NUM("CONTENT_LENGTH", bodysize);
+		ADD_FIELD("CONTENT_TYPE", type);
+	}
+
+	if ((WG(conn)->method == METHOD_PUT) || (WG(conn)->method == METHOD_DELETE)) ADD_FIELD("ENTITY_PATH", requesturi);
+
+	if (WG(conn)->pwd) {
+		ADD_STRING("AUTH_TYPE", "basic");
+		ADD_FIELD("REMOTE_USER", authorization);
+	}
+
+	ADD_FIELD("HTTP_COOKIE", cookie);
+	ADD_FIELD("HTTP_USER_AGENT", useragent);
+	ADD_FIELD("HTTP_REFERER", referer);
+	ADD_FIELD("HTTP_ACCEPT", accept);
+	ADD_FIELD("HTTP_ACCEPT_LANGUAGE", acceptlanguage);
+	ADD_FIELD("HTTP_ACCEPT_CHARSET", acceptcharset);
+	ADD_FIELD("HTTP_ACCEPT_ENCODING", acceptencoding);
+}
+
+static void webjames_module_main(WLS_D SLS_DC)
+{
+	zend_file_handle file_handle;
+	FILE *fp=NULL;
+	char *path;
+	CLS_FETCH();
+	ELS_FETCH();
+	PLS_FETCH();
+
+	/* Convert filename to Unix format*/
+	__riscosify_control|=__RISCOSIFY_DONT_CHECK_DIR;
+	path = __unixify(WG(conn)->filename,0,NULL,1024,0);
+	if (path) SG(request_info).path_translated = estrdup(path);
+
+	SG(request_info).query_string = WG(conn)->args;
+	SG(request_info).request_uri = WG(conn)->requesturi;
+	SG(request_info).request_method = WG(conn)->methodstr;
+	if (WG(conn)->method==METHOD_HEAD) {
+		SG(request_info).headers_only = 1;
+	} else {
+		SG(request_info).headers_only = 0;
+	}
+	SG(sapi_headers).http_response_code = 200;
+	SG(request_info).content_type = WG(conn)->type;
+	SG(request_info).content_length = WG(conn)->bodysize;
+
+	SG(request_info).auth_user = NULL;
+	SG(request_info).auth_password = NULL;
+	if (WG(conn)->authorization) {
+		char *colon=strchr(WG(conn)->authorization,':');
+		if (colon) {
+			SG(request_info).auth_user = emalloc(colon-WG(conn)->authorization+1);
+			if (SG(request_info).auth_user) {
+				memcpy(SG(request_info).auth_user,WG(conn)->authorization,colon-WG(conn)->authorization);
+				SG(request_info).auth_user[colon-WG(conn)->authorization]='\0';
+				SG(request_info).auth_password = estrdup(colon+1);
+			}
+		}
+	}
+
+	/*ensure that syslog calls get logged separatly from WebJames' main log */
+	openlog("PHP",0,0);
+
+	file_handle.type = ZEND_HANDLE_FILENAME;
+	file_handle.filename = SG(request_info).path_translated;
+	file_handle.free_filename = 0;
+	file_handle.opened_path = NULL;
+
+	if (php_request_startup(CLS_C ELS_CC PLS_CC SLS_CC) == FAILURE) {
+		return;
+	}
+	
+	php_execute_script(&file_handle CLS_CC ELS_CC PLS_CC);
+	php_request_shutdown(NULL);
+}
+
+static void webjames_php_close(struct connection *conn, int force)
+/*called by webjames if it wants to close the connection*/
+{
+	php_request_shutdown(NULL);
+	WG(oldclose)(conn,force);
+}
+
+void webjames_php_request(struct connection *conn)
+/*called by WebJames to start handler*/
+{
+	SLS_FETCH();
+	WLS_FETCH();
+
+	WG(conn) = conn;
+	WG(bodyread) = 0;
+	WG(oldclose) = conn->close;
+	conn->close=webjames_php_close;
+
+	webjames_module_main(WLS_C SLS_CC);
+
+	WG(oldclose)(WG(conn), 0);
+}
+
+static void php_info_webjames(ZEND_MODULE_INFO_FUNC_ARGS)
+{
+	php_info_print_table_start();
+	php_info_print_table_row(2, "SAPI module version", WEBJAMES_SAPI_VERSION);
+	php_info_print_table_row(2, "WebJames version", WEBJAMES_VERSION " (" WEBJAMES_DATE ")");
+	php_info_print_table_end();
+}
+
+static zend_module_entry php_webjames_module = {
+#if ZEND_MODULE_API_NO >= 20010901
+    STANDARD_MODULE_HEADER,
+#endif
+  "WebJames",
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  php_info_webjames,
+#if ZEND_MODULE_API_NO >= 20010901
+  WEBJAMES_SAPI_VERSION,          
+#endif
+  STANDARD_MODULE_PROPERTIES
+};
+
+static int php_webjames_startup(sapi_module_struct *sapi_module)
+{
+  if(php_module_startup(sapi_module) == FAILURE
+     || zend_startup_module(&php_webjames_module) == FAILURE) {
+    return FAILURE;
+  } else {
+    return SUCCESS;
+  }
+}
+
+static sapi_module_struct sapi_module = {
+	"webjames",                             /* name */
+	"WebJames",                             /* pretty name */
+
+	php_webjames_startup,                   /* startup */
+	php_module_shutdown_wrapper,            /* shutdown */
+
+	NULL,									/* activate */
+	NULL,									/* deactivate */
+
+	sapi_webjames_ub_write,                 /* unbuffered write */
+	NULL,                                   /* flush */
+	NULL,									/* get uid */
+	NULL,									/* getenv */
+
+	php_error,                              /* error handler */
+
+	NULL,                                   /* header handler */
+	sapi_webjames_send_headers,             /* send headers handler */
+	sapi_webjames_send_header,              /* send header handler */
+	sapi_webjames_read_post,                /* read POST data */
+	sapi_webjames_read_cookies,             /* read Cookies */
+
+	sapi_webjames_register_variables,       /* register server variables */
+	NULL,									/* Log message */
+
+	NULL,									/* Block interruptions */
+	NULL,									/* Unblock interruptions */
+
+	STANDARD_SAPI_MODULE_PROPERTIES
+};
+
+int webjames_php_init(void)
+/*called when WebJames initialises*/
+{
+	if (strcmp(configuration.webjames_h_revision,WEBJAMES_H_REVISION)!=0) {
+		/*This file was compiled against a different revision of
+		  webjames.h than webjames was, which could be bad news*/
+		webjames_writelog(0,"PHP module is compiled for WebJames (%s) and was linked with a different version (%s)",WEBJAMES_H_REVISION,configuration.webjames_h_revision);
+		return 0; /*failed to initialise*/
+	}
+	sapi_startup(&sapi_module);
+	sapi_module.startup(&sapi_module);
+	SG(server_context) = (void *) 1;
+	return 1; /*initialised correctly*/
+}
+
+void webjames_php_shutdown(void)
+/*called when WebJames is about to quit*/
+{
+	sapi_module.shutdown(&sapi_module);
+	sapi_shutdown();
+}