This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "smbd/service_task.h"
#include "web_server/web_server.h"
#include "smbd/service_stream.h"
+#include "smbd/service.h"
#include "lib/events/events.h"
#include "system/time.h"
+#include "system/wait.h"
#include "lib/appweb/esp/esp.h"
#include "lib/appweb/ejs/ejsInternal.h"
-#include "dlinklist.h"
+#include "lib/util/dlinklist.h"
#include "lib/tls/tls.h"
+#include "scripting/ejs/smbcalls.h"
+#include "param/param.h"
-#define SWAT_SESSION_KEY "SwatSessionId"
-#define HTTP_PREAUTH_URI "/scripting/preauth.esp"
+#define SAMBA_SESSION_KEY "SambaSessionId"
+#define HTTP_PREAUTH_URI "/scripting/preauth.esp"
+#define JSONRPC_REQUEST "/services"
+#define JSONRPC_SERVER "/request.esp"
/* state of the esp subsystem for a specific request */
struct esp_state {
/*
return the local path for a URL
*/
-static const char *http_local_path(struct websrv_context *web, const char *url)
+static const char *http_local_path(struct websrv_context *web,
+ const char *url,
+ const char *base_dir)
{
int i;
char *path;
if (url[0] != '/') return NULL;
for (i=0;url[i];i++) {
- if ((!isalnum((unsigned char)url[i]) && !strchr("./_", url[i])) ||
+ if ((!isalnum((unsigned char)url[i]) && !strchr("./_-", url[i])) ||
(url[i] == '.' && strchr("/.", url[i+1]))) {
return NULL;
}
}
- path = talloc_asprintf(web, "%s/%s", lp_swat_directory(), url+1);
+ path = talloc_asprintf(web, "%s/%s", base_dir, url+1);
if (path == NULL) return NULL;
if (directory_exist(path)) {
/*
called when esp wants to read a file to support include() calls
*/
-static int http_readFile(EspHandle handle, char **buf, int *len, const char *path)
+static int http_readFile(EspHandle handle,
+ char **buf,
+ int *len,
+ const char *path,
+ const char *base_dir)
{
struct websrv_context *web = talloc_get_type(handle, struct websrv_context);
int fd = -1;
struct stat st;
*buf = NULL;
- path = http_local_path(web, path);
+ path = http_local_path(web, path, base_dir);
if (path == NULL) goto failed;
fd = open(path, O_RDONLY);
if (fd == -1 || fstat(fd, &st) != 0 || !S_ISREG(st.st_mode)) goto failed;
- *buf = talloc_size(handle, st.st_size+1);
+ *buf = talloc_array(handle, char, st.st_size+1);
if (*buf == NULL) goto failed;
if (read(fd, *buf, st.st_size) != st.st_size) goto failed;
return -1;
}
+static int http_readFileFromWebappsDir(EspHandle handle,
+ char **buf,
+ int *len,
+ const char *path)
+{
+ return http_readFile(handle, buf, len, path, lp_webapps_directory());
+}
+
+
+
/*
called when esp wants to find the real path of a file
*/
static int http_writeBlock(EspHandle handle, const char *buf, int size)
{
struct websrv_context *web = talloc_get_type(handle, struct websrv_context);
- NTSTATUS status;
- status = data_blob_append(web, &web->output.content, buf, size);
- if (!NT_STATUS_IS_OK(status)) return -1;
+ if (!data_blob_append(web, &web->output.content, buf, size))
+ return -1;
return size;
}
/* form the full url, unless it already looks like a url */
if (strchr(url, ':') == NULL) {
if (host == NULL) {
+ struct socket_address *socket_address = socket_get_my_addr(web->conn->socket, web);
+ if (socket_address == NULL) goto internal_error;
host = talloc_asprintf(web, "%s:%u",
- socket_get_my_addr(web->conn->socket, web),
- socket_get_my_port(web->conn->socket));
+ socket_address->addr, socket_address->port);
}
if (host == NULL) goto internal_error;
if (url[0] != '/') {
char *p = strrchr(web->input.url, '/');
if (p == web->input.url) {
url = talloc_asprintf(web, "http%s://%s/%s",
- tls_enabled(web->tls)?"s":"",
+ tls_enabled(web->conn->socket)?"s":"",
host, url);
} else {
int dirlen = p - web->input.url;
url = talloc_asprintf(web, "http%s://%s%*.*s/%s",
- tls_enabled(web->tls)?"s":"",
+ tls_enabled(web->conn->socket)?"s":"",
host,
dirlen, dirlen, web->input.url,
url);
struct websrv_context *web = talloc_get_type(handle, struct websrv_context);
if (web->session) {
web->session->lifetime = timeout;
- http_setCookie(web, SWAT_SESSION_KEY, web->session->id,
+ http_setCookie(web, SAMBA_SESSION_KEY, web->session->id,
web->session->lifetime, "/", 0);
}
}
const char *path;
struct stat st;
- path = http_local_path(web, url);
+ path = http_local_path(web, url, lp_webapps_directory());
if (path == NULL) goto invalid;
/* looks ok */
struct websrv_context *web = esp->web;
struct esp_data *edata = talloc_get_type(web->task->private, struct esp_data);
struct EspRequest *req = esp->req;
+ struct socket_address *socket_address = socket_get_my_addr(web->conn->socket, esp);
+ struct socket_address *peer_address = socket_get_peer_addr(web->conn->socket, esp);
char *p;
#define SETVAR(type, name, value) do { \
SETVAR(ESP_REQUEST_OBJ, "CONTENT_LENGTH",
talloc_asprintf(esp, "%u", web->input.content_length));
SETVAR(ESP_REQUEST_OBJ, "QUERY_STRING", web->input.query_string);
+ SETVAR(ESP_REQUEST_OBJ, "POST_DATA",
+ talloc_strndup(esp,
+ web->input.partial.data,
+ web->input.partial.length));
SETVAR(ESP_REQUEST_OBJ, "REQUEST_METHOD", web->input.post_request?"POST":"GET");
SETVAR(ESP_REQUEST_OBJ, "REQUEST_URI", web->input.url);
p = strrchr(web->input.url, '/');
SETVAR(ESP_REQUEST_OBJ, "SCRIPT_NAME", p+1);
SETVAR(ESP_REQUEST_OBJ, "SCRIPT_FILENAME", web->input.url);
- p = socket_get_peer_addr(web->conn->socket, esp);
- SETVAR(ESP_REQUEST_OBJ, "REMOTE_ADDR", p);
+ if (peer_address) {
+ struct MprVar mpv = mprObject("socket_address");
+ mprSetPtrChild(&mpv, "socket_address", peer_address);
+ espSetVar(req, ESP_REQUEST_OBJ, "REMOTE_SOCKET_ADDRESS", mpv);
+ SETVAR(ESP_REQUEST_OBJ, "REMOTE_ADDR", peer_address->addr);
+ }
p = socket_get_peer_name(web->conn->socket, esp);
SETVAR(ESP_REQUEST_OBJ, "REMOTE_HOST", p);
SETVAR(ESP_REQUEST_OBJ, "REMOTE_USER", "");
}
SETVAR(ESP_REQUEST_OBJ, "COOKIE_SUPPORT", web->input.cookie?"True":"False");
- SETVAR(ESP_HEADERS_OBJ, "HTT_REFERER", web->input.referer);
+ SETVAR(ESP_HEADERS_OBJ, "HTTP_REFERER", web->input.referer);
SETVAR(ESP_HEADERS_OBJ, "HOST", web->input.host);
SETVAR(ESP_HEADERS_OBJ, "ACCEPT_ENCODING", web->input.accept_encoding);
SETVAR(ESP_HEADERS_OBJ, "ACCEPT_LANGUAGE", web->input.accept_language);
SETVAR(ESP_HEADERS_OBJ, "COOKIE", web->input.cookie);
SETVAR(ESP_HEADERS_OBJ, "USER_AGENT", web->input.user_agent);
- SETVAR(ESP_SERVER_OBJ, "SERVER_ADDR", socket_get_my_addr(web->conn->socket, esp));
- SETVAR(ESP_SERVER_OBJ, "SERVER_NAME", socket_get_my_addr(web->conn->socket, esp));
- SETVAR(ESP_SERVER_OBJ, "SERVER_HOST", socket_get_my_addr(web->conn->socket, esp));
- SETVAR(ESP_SERVER_OBJ, "DOCUMENT_ROOT", lp_swat_directory());
- SETVAR(ESP_SERVER_OBJ, "SERVER_PORT",
- talloc_asprintf(esp, "%u", socket_get_my_port(web->conn->socket)));
- SETVAR(ESP_SERVER_OBJ, "SERVER_PROTOCOL", tls_enabled(web->tls)?"https":"http");
- SETVAR(ESP_SERVER_OBJ, "SERVER_SOFTWARE", "SWAT");
+ if (socket_address) {
+ SETVAR(ESP_SERVER_OBJ, "SERVER_ADDR", socket_address->addr);
+ SETVAR(ESP_SERVER_OBJ, "SERVER_NAME", socket_address->addr);
+ SETVAR(ESP_SERVER_OBJ, "SERVER_HOST", socket_address->addr);
+ SETVAR(ESP_SERVER_OBJ, "SERVER_PORT",
+ talloc_asprintf(esp, "%u", socket_address->port));
+ }
+
+ SETVAR(ESP_SERVER_OBJ, "DOCUMENT_ROOT", lp_webapps_directory());
+ SETVAR(ESP_SERVER_OBJ, "SERVER_PROTOCOL", tls_enabled(web->conn->socket)?"https":"http");
+ SETVAR(ESP_SERVER_OBJ, "SERVER_SOFTWARE", "SAMBA");
SETVAR(ESP_SERVER_OBJ, "GATEWAY_INTERFACE", "CGI/1.1");
SETVAR(ESP_SERVER_OBJ, "TLS_SUPPORT", tls_support(edata->tls_params)?"True":"False");
}
it hits a major error. We need to catch these and
report a internal server error via http
*/
-#include <setjmp.h>
static jmp_buf ejs_exception_buf;
static const char *exception_reason;
-void ejs_exception(const char *reason)
+static void web_server_ejs_exception(const char *reason)
{
Ejs *ep = ejsPtr(0);
if (ep) {
longjmp(ejs_exception_buf, -1);
}
#else
-void ejs_exception(const char *reason)
+static void web_server_ejs_exception(const char *reason)
{
DEBUG(0,("%s", reason));
smb_panic(reason);
int res;
char *emsg = NULL, *buf;
- if (http_readFile(web, &buf, &size, url) != 0) {
+ if (http_readFile(web, &buf, &size, url, lp_webapps_directory()) != 0) {
http_error_unix(web, url);
return;
}
talloc_free(buf);
}
+/*
+ process a JSON RPC request
+*/
+static void jsonrpc_request(struct esp_state *esp)
+{
+ struct websrv_context *web = esp->web;
+ const char *path = http_local_path(web,
+ JSONRPC_SERVER,
+ lp_jsonrpc_services_dir());
+ MprVar *global;
+ MprVar v;
+ MprVar temp;
+ int size;
+ int res;
+ char *emsg = NULL;
+ char *emsg2 = NULL;
+ char *buf;
+ char *error_script =
+ "error.setOrigin(jsonrpc.Constant.ErrorOrigin.Server); "
+ "error.setError(jsonrpc.Constant.ErrorCode.UnexpectedOutput, "
+ " global.errorString);"
+ "error.Send();";
+
+ /* Ensure we got a valid path. */
+ if (path == NULL) {
+ /* should never occur */
+ http_error(esp->web, 500, "Internal server error");
+ return;
+ }
+
+ /* Ensure that the JSON-RPC server request script exists */
+ if (!file_exist(path)) {
+ http_error_unix(esp->web, path);
+ return;
+ }
+
+ /* Call the server request script */
+ if (http_readFile(web, &buf, &size,
+ JSONRPC_SERVER, lp_jsonrpc_services_dir()) != 0) {
+ http_error_unix(web, JSONRPC_SERVER);
+ return;
+ }
+
+#if HAVE_SETJMP_H
+ if (setjmp(ejs_exception_buf) != 0) {
+ http_error(web, 500, exception_reason);
+ return;
+ }
+#endif
+
+ res = espProcessRequest(esp->req, JSONRPC_SERVER, buf, &emsg);
+ if (res != 0 && emsg) {
+ /* Save the error in a string accessible from javascript */
+ global = ejsGetGlobalObject(0);
+ v = mprString(emsg);
+ mprCreateProperty(global, "errorString", &v);
+
+ /* Create and send a JsonRpcError object */
+ if (ejsEvalScript(0,
+ error_script,
+ &temp,
+ &emsg2) != 0) {
+ http_writeBlock(web, "<pre>", 5);
+ http_writeBlock(web, emsg, strlen(emsg));
+ http_writeBlock(web, "</pre>", 6);
+ }
+ }
+ talloc_free(buf);
+}
/*
- perform pre-authentication on every page is /scripting/preauth.esp
+ perform pre-authentication on every page if /scripting/preauth.esp
exists. If this script generates any non-whitepace output at all,
then we don't run the requested URL.
- note that the preauth is run even for static pages such as images.
+ note that the preauth is run even for static pages such as images, but not
+ for JSON-RPC service requests which do their own authentication via the
+ JSON-RPC server.
*/
static BOOL http_preauth(struct esp_state *esp)
{
- const char *path = http_local_path(esp->web, HTTP_PREAUTH_URI);
+ const char *path = http_local_path(esp->web,
+ HTTP_PREAUTH_URI,
+ lp_webapps_directory());
int i;
if (path == NULL) {
http_error(esp->web, 500, "Internal server error");
esp_request(esp, HTTP_PREAUTH_URI);
for (i=0;i<esp->web->output.content.length;i++) {
if (!isspace(esp->web->output.content.data[i])) {
- /* if the preauth has generated content, then force it to be
- html, so that we can show the login page for failed
- access to images */
+ /* if the preauth has generated content, then force it
+ to be html, so that we can show the login page for
+ failed access to images */
http_setHeader(esp->web, "Content-Type: text/html", 0);
return False;
}
*/
static void esp_putvar(struct esp_state *esp, const char *var, const char *value)
{
- if (strcasecmp(var, SWAT_SESSION_KEY) == 0) {
+ if (strcasecmp(var, SAMBA_SESSION_KEY) == 0) {
/* special case support for browsers without cookie
support */
esp->web->input.session_key = talloc_strdup(esp, value);
/*
destroy a session
*/
-static int session_destructor(void *ptr)
+static int session_destructor(struct session_data *s)
{
- struct session_data *s = talloc_get_type(ptr, struct session_data);
DLIST_REMOVE(s->edata->sessions, s);
return 0;
}
*/
static void http_setup_session(struct esp_state *esp)
{
- const char *session_key = SWAT_SESSION_KEY;
+ const char *session_key = SAMBA_SESSION_KEY;
char *p;
const char *cookie = esp->web->input.cookie;
const char *key = NULL;
s->data = NULL;
s->te = NULL;
s->edata = edata;
- s->lifetime = lp_parm_int(-1, "web", "sessiontimeout", 900);
+ s->lifetime = lp_parm_int(NULL, "web", "sessiontimeout", 900);
DLIST_ADD(edata->sessions, s);
talloc_set_destructor(s, session_destructor);
if (!generated_key) {
.setHeader = http_setHeader,
.redirect = http_redirect,
.setResponseCode = http_setResponseCode,
- .readFile = http_readFile,
+ .readFile = http_readFileFromWebappsDir,
.mapToStorage = http_mapToStorage,
.setCookie = http_setCookie,
.createSession = http_createSession,
void http_process_input(struct websrv_context *web)
{
NTSTATUS status;
- struct esp_state *esp;
+ struct esp_state *esp = NULL;
struct esp_data *edata = talloc_get_type(web->task->private, struct esp_data);
+ struct smbcalls_context *smbcalls_ctx;
char *p;
void *save_mpr_ctx = mprMemCtx();
void *ejs_save = ejs_save_state();
int i;
const char *file_type = NULL;
- BOOL esp_enable = False;
+ enum page_type {
+ page_type_simple,
+ page_type_esp,
+ page_type_jsonrpc
+ };
+ enum page_type page_type;
const struct {
const char *extension;
const char *mime_type;
- BOOL esp_enable;
+ enum page_type page_type;
} mime_types[] = {
{"gif", "image/gif"},
{"png", "image/png"},
{"esp", "text/html", True}
};
- esp = talloc_zero(web, struct esp_state);
+ /*
+ * give the smbcalls a chance to find the event context
+ * and messaging context
+ */
+ smbcalls_ctx = talloc(web, struct smbcalls_context);
+ if (smbcalls_ctx == NULL) goto internal_error;
+ smbcalls_ctx->event_ctx = web->conn->event.ctx;
+ smbcalls_ctx->msg_ctx = web->conn->msg_ctx;
+
+ esp = talloc_zero(smbcalls_ctx, struct esp_state);
if (esp == NULL) goto internal_error;
esp->web = web;
edata->application_data, MPR_DEEP_COPY);
}
- smb_setup_ejs_functions();
+ smb_setup_ejs_functions(web_server_ejs_exception);
if (web->input.url == NULL) {
http_error(web, 400, "You must specify a GET or POST request");
esp->req = espCreateRequest(web, web->input.url, esp->variables);
if (esp->req == NULL) goto internal_error;
- /* work out the mime type */
- p = strrchr(web->input.url, '.');
- if (p == NULL) {
- esp_enable = True;
- }
- for (i=0;p && i<ARRAY_SIZE(mime_types);i++) {
+ /*
+ * Work out the mime type. First, we see if the request is a JSON-RPC
+ * service request. If not, we look at the extension.
+ */
+ if (strncmp(web->input.url,
+ JSONRPC_REQUEST,
+ sizeof(JSONRPC_REQUEST) - 1) == 0 &&
+ (web->input.url[sizeof(JSONRPC_REQUEST) - 1] == '\0' ||
+ web->input.url[sizeof(JSONRPC_REQUEST) - 1] == '/')) {
+ page_type = page_type_jsonrpc;
+ file_type = "text/json";
+
+ } else {
+ p = strrchr(web->input.url, '.');
+ if (p == NULL) {
+ page_type = page_type_esp;
+ file_type = "text/html";
+ }
+ for (i=0;p && i<ARRAY_SIZE(mime_types);i++) {
if (strcmp(mime_types[i].extension, p+1) == 0) {
- file_type = mime_types[i].mime_type;
- esp_enable = mime_types[i].esp_enable;
+ page_type = mime_types[i].page_type;
+ file_type = mime_types[i].mime_type;
}
- }
- if (file_type == NULL) {
+ }
+ if (file_type == NULL) {
+ page_type = page_type_simple;
file_type = "text/html";
- }
+ }
+ }
/* setup basic headers */
http_setResponseCode(web, 200);
http_setup_arrays(esp);
- /* possibly do pre-authentication */
- if (http_preauth(esp)) {
- if (esp_enable) {
- esp_request(esp, web->input.url);
- } else {
- http_simple_request(web);
- }
- }
+ /*
+ * Do pre-authentication. If pre-authentication succeeds, do
+ * page-type-specific processing.
+ */
+ switch(page_type)
+ {
+ case page_type_simple:
+ if (http_preauth(esp)) {
+ http_simple_request(web);
+ }
+ break;
+
+ case page_type_esp:
+ if (http_preauth(esp)) {
+ esp_request(esp, web->input.url);
+ }
+ break;
+
+ case page_type_jsonrpc:
+ jsonrpc_request(esp);
+ break;
+ }
if (web->conn == NULL) {
/* the connection has been terminated above us, probably