1 /***************************************************************************
2 * Copyright (C) 2007,2008 Øyvind Harboe *
3 * oyvind.harboe@zylin.com *
5 * Copyright (C) 2008 Free Software Foundation
7 * This program is free software; you can redistribute it and/or modify *
8 * it under the terms of the GNU General Public License as published by *
9 * the Free Software Foundation; either version 2 of the License, or *
10 * (at your option) any later version. *
12 * This program is distributed in the hope that it will be useful, *
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15 * GNU General Public License for more details. *
17 * You should have received a copy of the GNU General Public License *
18 * along with this program; if not, write to the *
19 * Free Software Foundation, Inc., *
20 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
21 ***************************************************************************/
23 /* some bits were copied from ahttpd which is under eCos license and
30 #include "replacements.h"
35 #include "telnet_server.h"
43 #include <sys/types.h>
47 #include <sys/types.h>
48 #include <sys/select.h>
49 #include <sys/socket.h>
50 #include <microhttpd.h>
55 #define PAGE_NOT_FOUND "<html><head><title>File not found</title></head><body>File not found</body></html>"
57 static const char *appendf(const char *prev
, const char *format
, ...)
61 char *string
= alloc_vprintf(format
, ap
);
67 string2
= alloc_printf("%s%s", (prev
== NULL
) ? "" : prev
, string
);
81 static const char *httpd_exec_cgi_tcl_error(Jim_Interp
*interp
)
86 t
= appendf(t
, "<html><body>\n");
88 t
= appendf(t
, "Runtime error, file \"%s\", line %d:<br>",
89 interp
->errorFileName
, interp
->errorLine
);
90 t
= appendf(t
, " %s<br>", Jim_GetString(interp
->result
, NULL
));
91 Jim_ListLength(interp
, interp
->stackTrace
, &len
);
92 for (i
= 0; i
< len
; i
+= 3)
95 const char *proc
, *file
, *line
;
97 Jim_ListIndex(interp
, interp
->stackTrace
, i
, &objPtr
, JIM_NONE
);
98 proc
= Jim_GetString(objPtr
, NULL
);
99 Jim_ListIndex(interp
, interp
->stackTrace
, i
+ 1, &objPtr
, JIM_NONE
);
100 file
= Jim_GetString(objPtr
, NULL
);
101 Jim_ListIndex(interp
, interp
->stackTrace
, i
+ 2, &objPtr
, JIM_NONE
);
102 line
= Jim_GetString(objPtr
, NULL
);
103 t
= appendf(t
, "In procedure '%s' called at file \"%s\", line %s<br>",
106 t
= appendf(t
, "</html></body>\n");
111 static int httpd_Jim_Command_writeform(Jim_Interp
*interp
, int argc
,
112 Jim_Obj
* const *argv
)
116 Jim_WrongNumArgs(interp
, 1, argv
, "method ?args ...?");
119 char *name
= (char*) Jim_GetString(argv
[1], NULL
);
120 char *file
= (char*) Jim_GetString(argv
[2], NULL
);
128 const char *script
= alloc_printf("set dummy_val $httppostdata(%s); set dummy_val",
130 retcode
= Jim_Eval_Named(interp
, script
, "httpd.c", __LINE__
);
131 free((void *) script
);
132 if (retcode
!= JIM_OK
)
135 data
= Jim_GetString(Jim_GetResult(interp
), &actual
);
138 f
= fopen(file
, "wb");
142 ok
= fwrite(data
, 1, actual
, f
) == actual
;
147 Jim_SetResultString(interp
, "Could not write to file", -1);
153 Jim_SetResultString(interp
, "Could not create file", -1);
161 httpd_Jim_Command_formfetch(Jim_Interp
*interp
,
163 Jim_Obj
*const *argv
)
167 Jim_WrongNumArgs(interp
, 1, argv
, "method ?args ...?");
170 char *name
= (char*)Jim_GetString(argv
[1], NULL
);
173 const char *script
= alloc_printf("set dummy_val $httppostdata(%s); set dummy_val",
175 int retcode
= Jim_Eval_Named(interp
, script
, "httpd.c", __LINE__
);
176 free((void *) script
);
177 if (retcode
!= JIM_OK
)
179 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
182 Jim_SetResult(interp
, Jim_GetResult(interp
));
191 struct MHD_PostProcessor
*postprocessor
;
195 int complete
; /* did we receive the entire post ? */
199 static void request_completed(void *cls
, struct MHD_Connection
*connection
,
200 void **con_cls
, enum MHD_RequestTerminationCode toe
)
202 struct httpd_request
*r
= (struct httpd_request
*) *con_cls
;
207 if (r
->postprocessor
)
209 MHD_destroy_post_processor(r
->postprocessor
);
216 /* append to said key in dictonary */
217 static void append_key(struct httpd_request
*r
, const char *key
,
218 const char *data
, size_t off
, size_t size
)
220 Jim_Obj
*keyObj
= Jim_NewStringObj(interp
, key
, -1);
221 Jim_Obj
*value
= NULL
;
223 Jim_Obj
*dict
= Jim_GetVariableStr(interp
, "httppostdata", 0);
227 if (Jim_DictKey(interp
, dict
, keyObj
, &value
, 0) != JIM_OK
)
233 value
= Jim_NewStringObj(interp
, "", -1);
235 /* create a new object we append to and insert into this location */
236 Jim_Obj
*newObj
= Jim_NewStringObj(interp
, "", -1);
237 Jim_AppendObj(interp
, newObj
, value
);
238 Jim_AppendString(interp
, newObj
, data
, size
);
239 /* uhh... use name here of dictionary */
240 Jim_SetDictKeysVector(interp
, Jim_NewStringObj(interp
, "httppostdata", -1), &keyObj
, 1, newObj
);
243 /* append data to each key */
244 static int iterate_post(void *con_cls
, enum MHD_ValueKind kind
,
245 const char *key
, const char *filename
, const char *content_type
,
246 const char *transfer_encoding
, const char *data
, size_t off
,
249 struct httpd_request
*r
= (struct httpd_request
*) con_cls
;
251 append_key(r
, key
, data
, off
, size
);
256 static int record_arg(void *cls
, enum MHD_ValueKind kind
, const char *key
,
259 struct httpd_request
*r
= (struct httpd_request
*) cls
;
260 append_key(r
, key
, value
, 0, strlen(value
));
265 int handle_request(struct MHD_Connection
* connection
, const char * url
)
267 struct MHD_Response
* response
;
271 suffix
= strrchr(url
, '.');
272 if ((suffix
!= NULL
) && (strcmp(suffix
, ".tcl") == 0))
274 printf("Run tcl %s\n", url
);
278 const char *script
= alloc_printf(
279 "global httpdata; source {%s}; set httpdata", url
);
280 retcode
= Jim_Eval_Named(interp
, script
, "httpd.c", __LINE__
);
281 free((void *) script
);
283 if (retcode
== JIM_ERR
)
285 printf("Tcl failed\n");
286 const char *t
= httpd_exec_cgi_tcl_error(interp
);
290 response
= MHD_create_response_from_data(strlen(t
), (void *) t
,
292 ret
= MHD_queue_response(connection
,
293 MHD_HTTP_INTERNAL_SERVER_ERROR
, response
);
294 MHD_destroy_response(response
);
300 /* FIX!!! how to handle mime types??? */
303 result
= Jim_GetString(Jim_GetResult(interp
), &reslen
);
305 response
= MHD_create_response_from_data(reslen
, (void *) result
,
307 ret
= MHD_queue_response(connection
,
308 MHD_HTTP_INTERNAL_SERVER_ERROR
, response
);
309 MHD_destroy_response(response
);
318 int retval
= loadFile(url
, &data
, &len
);
319 if (retval
!= ERROR_OK
)
321 printf("Did not find %s\n", url
);
323 response
= MHD_create_response_from_data(strlen(PAGE_NOT_FOUND
),
324 (void *) PAGE_NOT_FOUND
, MHD_NO
, MHD_NO
);
325 ret
= MHD_queue_response(connection
, MHD_HTTP_NOT_FOUND
, response
);
326 MHD_destroy_response(response
);
330 LOG_DEBUG("Serving %s length=%d", url
, len
);
331 /* serve file directly */
332 response
= MHD_create_response_from_data(len
, data
, MHD_YES
, MHD_NO
);
333 MHD_add_response_header(response
, "Content-Type", "image/png");
335 ret
= MHD_queue_response(connection
, MHD_HTTP_OK
, response
);
336 MHD_destroy_response(response
);
343 static int ahc_echo(void * cls
, struct MHD_Connection
* connection
,
344 const char * url
, const char * method
, const char * version
,
345 const char * upload_data
, unsigned int * upload_data_size
, void ** ptr
)
349 if (0 == strcmp(method
, "POST"))
353 else if (0 == strcmp(method
, "GET"))
358 return MHD_NO
; /* unexpected method */
361 struct httpd_request
*r
;
364 /* The first time only the headers are valid,
365 do not respond in the first round... */
367 *ptr
= malloc(sizeof(struct httpd_request
));
370 memset(*ptr
, 0, sizeof(struct httpd_request
));
372 r
= (struct httpd_request
*) *ptr
;
375 Jim_SetVariableStr(interp
, "httppostdata", Jim_NewDictObj(interp
, NULL
, 0));
377 /* fill in url query strings in dictonary */
378 MHD_get_connection_values(connection
, MHD_GET_ARGUMENT_KIND
,
383 r
->postprocessor
= MHD_create_post_processor(connection
, 2048
384 * 1024, iterate_post
, r
);
390 r
= (struct httpd_request
*) *ptr
;
394 /* consume post data */
395 if (*upload_data_size
)
397 MHD_post_process(r
->postprocessor
, upload_data
, *upload_data_size
);
398 *upload_data_size
= 0;
408 /* hand over to request who will be using it. */
412 /* FIX!!!! we need more advanced handling of url's to avoid them
413 * being subverted to evil purposes
416 const char *httpd_dir
=PKGLIBDIR
"/httpd";
420 url
++; /* skip '/' */
425 const char *file_name
=alloc_printf("%s/%s", httpd_dir
, url
);
426 int result
= handle_request(connection
, file_name
);
427 free((void *)file_name
);
431 static struct MHD_Daemon
* d
;
433 int httpd_start(void)
437 LOG_USER("Launching httpd server on port %d", port
);
438 d
= MHD_start_daemon(MHD_USE_SELECT_INTERNALLY
, port
, NULL
, NULL
,
439 &ahc_echo
, NULL
, /* could be data for handler, but we only have a single handler, use global variables instead */
440 MHD_OPTION_NOTIFY_COMPLETED
, request_completed
, NULL
, /* Closure... what's that??? */
445 Jim_CreateCommand(interp
,
447 httpd_Jim_Command_formfetch
,
451 Jim_CreateCommand(interp
,
453 httpd_Jim_Command_writeform
,
461 void httpd_stop(void)
466 void openocd_sleep_prelude(void)
468 /* FIX!!!! add locking here!!!! */
471 void openocd_sleep_postlude(void)
473 /* FIX!!!! add locking here!!!! */