1 | //protocol-http.c: |
---|
2 | |
---|
3 | /* |
---|
4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2011-2014 |
---|
5 | * |
---|
6 | * This file is part of roard a part of RoarAudio, |
---|
7 | * a cross-platform sound system for both, home and professional use. |
---|
8 | * See README for details. |
---|
9 | * |
---|
10 | * This file is free software; you can redistribute it and/or modify |
---|
11 | * it under the terms of the GNU General Public License version 3 |
---|
12 | * as published by the Free Software Foundation. |
---|
13 | * |
---|
14 | * RoarAudio is distributed in the hope that it will be useful, |
---|
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
17 | * GNU General Public License for more details. |
---|
18 | * |
---|
19 | * You should have received a copy of the GNU General Public License |
---|
20 | * along with this software; see the file COPYING. If not, write to |
---|
21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
---|
22 | * Boston, MA 02110-1301, USA. |
---|
23 | * |
---|
24 | */ |
---|
25 | |
---|
26 | #include <roaraudio.h> |
---|
27 | #ifdef ROAR_HAVE_LIBUSTE |
---|
28 | #include <uste.h> |
---|
29 | #endif |
---|
30 | |
---|
31 | struct resource_handle; |
---|
32 | |
---|
33 | enum ctl_cmd { |
---|
34 | CMD_SET_CLIENTNAME |
---|
35 | }; |
---|
36 | |
---|
37 | enum status { |
---|
38 | STATUS_WAITING_FOR_HEADERS = 0, |
---|
39 | STATUS_END_OF_HEADER, |
---|
40 | STATUS_BAD_HEADER, |
---|
41 | STATUS_RUNNING_DATA, |
---|
42 | STATUS_DONE |
---|
43 | }; |
---|
44 | |
---|
45 | struct input_source { |
---|
46 | int userdata_si; |
---|
47 | void * userdata_vp; |
---|
48 | ssize_t offset; |
---|
49 | struct roar_vio_calls * vio; |
---|
50 | struct roar_vio_calls vio_store; |
---|
51 | }; |
---|
52 | |
---|
53 | struct http_client { |
---|
54 | enum status status; |
---|
55 | struct roar_buffer * input_buffer; |
---|
56 | char * method; |
---|
57 | char * proto; |
---|
58 | char * uri; |
---|
59 | char * path, * query_string; |
---|
60 | void * headersstore; |
---|
61 | struct roar_keyval * headers; |
---|
62 | ssize_t headerslen; |
---|
63 | const struct resource_handle * resource; |
---|
64 | struct input_source input; |
---|
65 | struct roar_dl_librarypara * pluginpara; |
---|
66 | int clientid; |
---|
67 | }; |
---|
68 | |
---|
69 | struct resource_handle { |
---|
70 | const char * uri; |
---|
71 | const char * rawdata; |
---|
72 | const ssize_t rawlen; |
---|
73 | const char * content_type; |
---|
74 | int (*header_send)(struct http_client * self, struct roar_buffer ** obuffer); |
---|
75 | int (*body_send)(struct http_client * self, struct roar_buffer ** obuffer); |
---|
76 | }; |
---|
77 | |
---|
78 | static struct { |
---|
79 | enum { |
---|
80 | HOSTTYPE_GENERIC = 0, |
---|
81 | HOSTTYPE_ROARD |
---|
82 | } hosttype; |
---|
83 | union { |
---|
84 | struct { |
---|
85 | int (*clients_set_name)(int id, const char * name); |
---|
86 | } roard; |
---|
87 | } hostspec; |
---|
88 | } __host = {.hosttype = HOSTTYPE_GENERIC}; |
---|
89 | |
---|
90 | static int header_send(struct roar_buffer ** obuffer, int status, const char * msg, const char * content_type, ssize_t len); |
---|
91 | static void send_errorpage(struct http_client * self, struct roar_buffer ** obuffer, int error, const char * msg); |
---|
92 | |
---|
93 | static int slow_zero_stream(struct http_client * self, struct roar_buffer ** obuffer) { |
---|
94 | struct roar_buffer * buffer; |
---|
95 | void * data; |
---|
96 | |
---|
97 | self->status = STATUS_RUNNING_DATA; |
---|
98 | |
---|
99 | if ( roar_buffer_new_data(&buffer, 1, &data) == -1 ) |
---|
100 | return -1; |
---|
101 | |
---|
102 | *((char*)data) = 0; |
---|
103 | |
---|
104 | if ( roar_buffer_moveintoqueue(obuffer, &buffer) == -1 ) { |
---|
105 | roar_buffer_free(buffer); |
---|
106 | return -1; |
---|
107 | } |
---|
108 | |
---|
109 | return 0; |
---|
110 | } |
---|
111 | |
---|
112 | static const char * __res_vio_content_type_get(struct http_client * self, const char * indexfile) { |
---|
113 | const char * point = strrchr(indexfile != NULL ? indexfile : self->path, '.'); |
---|
114 | |
---|
115 | if ( point == NULL ) |
---|
116 | return NULL; |
---|
117 | |
---|
118 | point++; |
---|
119 | |
---|
120 | #define __type1(mime,ext) \ |
---|
121 | } else if ( !strcmp(point, (ext)) ) { \ |
---|
122 | return (mime); |
---|
123 | #define __type2(mime,ext0,ext1) \ |
---|
124 | } else if ( !strcmp(point, (ext0)) || !strcmp(point, (ext1)) ) { \ |
---|
125 | return (mime); |
---|
126 | |
---|
127 | #ifdef __FIX_VIM_SYNTAX_HIGHLIGHTING__ |
---|
128 | } |
---|
129 | #endif |
---|
130 | |
---|
131 | if ( !strcmp(point, "txt") || !strcmp(point, "text") ) { |
---|
132 | return "text/plain"; |
---|
133 | __type2("text/html", "html", "htm") |
---|
134 | __type1("text/css", "css") |
---|
135 | __type1("image/png", "png") |
---|
136 | __type2("image/jpeg", "jpeg", "jpg") |
---|
137 | } |
---|
138 | |
---|
139 | return NULL; |
---|
140 | } |
---|
141 | |
---|
142 | #ifdef ROAR_HAVE_LIBUSTE |
---|
143 | static uste_var_t __res_vio_handle_uste_build_headers(struct http_client * self) { |
---|
144 | uste_var_t root = uste_var_new_kv(); |
---|
145 | uste_var_t var; |
---|
146 | ssize_t i; |
---|
147 | |
---|
148 | if ( root == NULL ) |
---|
149 | return NULL; |
---|
150 | |
---|
151 | uste_var_set_key(root, "header"); |
---|
152 | |
---|
153 | for (i = 0; i < self->headerslen; i++) { |
---|
154 | var = uste_var_new_str(self->headers[i].value == NULL ? "" : self->headers[i].value); |
---|
155 | if ( self->headers[i].key != NULL ) |
---|
156 | uste_var_set_key(var, self->headers[i].key); |
---|
157 | uste_var_push(root, var); |
---|
158 | uste_var_unref(var); |
---|
159 | } |
---|
160 | |
---|
161 | return root; |
---|
162 | } |
---|
163 | |
---|
164 | static inline int __is_hex(char c) { |
---|
165 | if ( c >= '0' && c <= '9' ) |
---|
166 | return 1; |
---|
167 | if ( c >= 'a' && c <= 'f' ) |
---|
168 | return 1; |
---|
169 | if ( c >= 'A' && c <= 'F' ) |
---|
170 | return 1; |
---|
171 | return 0; |
---|
172 | } |
---|
173 | |
---|
174 | static inline int __hex2num(char c) { |
---|
175 | if ( c >= '0' && c <= '9' ) |
---|
176 | return c - '0'; |
---|
177 | if ( c >= 'a' && c <= 'f' ) |
---|
178 | return c - 'a' + 10; |
---|
179 | if ( c >= 'A' && c <= 'F' ) |
---|
180 | return c - 'A' + 10; |
---|
181 | return 0; |
---|
182 | } |
---|
183 | |
---|
184 | static void __res_vio_handle_uste_uridecode(char * str) { |
---|
185 | const char * c = str; |
---|
186 | |
---|
187 | for (; *c; c++, str++) { |
---|
188 | if ( *c == '%' && __is_hex(c[1]) && __is_hex(c[2]) ) { |
---|
189 | *str = __hex2num(c[1])*16 + __hex2num(c[2]); |
---|
190 | c += 2; |
---|
191 | } else if ( *c == '+' ) { |
---|
192 | *str = ' '; |
---|
193 | } else { |
---|
194 | *str = *c; |
---|
195 | } |
---|
196 | } |
---|
197 | *str = *c; |
---|
198 | } |
---|
199 | |
---|
200 | static void __res_vio_handle_uste_keyify(char * str) { |
---|
201 | if ( *str == '#' ) |
---|
202 | *str = '_'; |
---|
203 | for (;*str; str++) |
---|
204 | if (*str == '.') |
---|
205 | *str = '_'; |
---|
206 | } |
---|
207 | |
---|
208 | static uste_var_t __res_vio_handle_uste_build_getparams(struct http_client * self) { |
---|
209 | uste_var_t root = uste_var_new_kv(); |
---|
210 | uste_var_t subroot; |
---|
211 | uste_var_t var; |
---|
212 | char * qs_buffer; |
---|
213 | char * cur; |
---|
214 | char * state; |
---|
215 | char * key, * value; |
---|
216 | |
---|
217 | if ( root == NULL ) |
---|
218 | return NULL; |
---|
219 | |
---|
220 | uste_var_set_key(root, "get"); |
---|
221 | if ( self->query_string == NULL ) |
---|
222 | return root; |
---|
223 | |
---|
224 | qs_buffer = roar_mm_strdup(self->query_string); |
---|
225 | |
---|
226 | // do better handling here. |
---|
227 | if ( qs_buffer == NULL ) |
---|
228 | return root; |
---|
229 | |
---|
230 | cur = roar_mm_strtok_r(qs_buffer, "&", &state); |
---|
231 | |
---|
232 | while (cur != NULL) { |
---|
233 | key = cur; |
---|
234 | value = strstr(cur, "="); |
---|
235 | if ( value != NULL ) { |
---|
236 | *value = 0; |
---|
237 | value++; |
---|
238 | __res_vio_handle_uste_uridecode(value); |
---|
239 | } |
---|
240 | __res_vio_handle_uste_uridecode(key); |
---|
241 | __res_vio_handle_uste_keyify(key); |
---|
242 | |
---|
243 | if ( value == NULL ) { |
---|
244 | var = uste_var_new_undef(); |
---|
245 | } else { |
---|
246 | var = uste_var_new_str(value); |
---|
247 | } |
---|
248 | |
---|
249 | subroot = uste_var_pull(root, key); |
---|
250 | if ( subroot == NULL ) { |
---|
251 | subroot = uste_var_new_array(); |
---|
252 | if ( subroot != NULL ) { |
---|
253 | uste_var_set_key(subroot, key); |
---|
254 | uste_var_push(root, subroot); |
---|
255 | } |
---|
256 | } |
---|
257 | |
---|
258 | if ( subroot != NULL ) { |
---|
259 | uste_var_push(subroot, var); |
---|
260 | uste_var_unref(subroot); |
---|
261 | } |
---|
262 | uste_var_unref(var); |
---|
263 | cur = roar_mm_strtok_r(NULL, "&", &state); |
---|
264 | } |
---|
265 | |
---|
266 | roar_mm_free(qs_buffer); |
---|
267 | return root; |
---|
268 | } |
---|
269 | |
---|
270 | static uste_var_t __res_vio_handle_uste_build_rootkv(struct http_client * self) { |
---|
271 | uste_var_t root = uste_var_new_kv(); |
---|
272 | uste_var_t subroot, subsubroot; |
---|
273 | uste_var_t var; |
---|
274 | |
---|
275 | if ( root == NULL ) |
---|
276 | return NULL; |
---|
277 | |
---|
278 | #define __new_member_prefix(prefix,name) \ |
---|
279 | if ( prefix->name != NULL ) { \ |
---|
280 | var = uste_var_new_str(prefix->name); \ |
---|
281 | uste_var_set_key(var, #name); \ |
---|
282 | uste_var_push(subsubroot, var); \ |
---|
283 | uste_var_unref(var); \ |
---|
284 | } |
---|
285 | #define __new_member(name) __new_member_prefix(self,name) |
---|
286 | |
---|
287 | subroot = uste_var_new_kv(); |
---|
288 | if ( subroot != NULL ) { |
---|
289 | uste_var_set_key(subroot, "__client__"); |
---|
290 | uste_var_push(root, subroot); |
---|
291 | |
---|
292 | var = uste_var_new_int(self->clientid); |
---|
293 | uste_var_set_key(var, "clientid"); |
---|
294 | uste_var_push(subroot, var); |
---|
295 | uste_var_unref(var); |
---|
296 | |
---|
297 | subsubroot = uste_var_new_kv(); |
---|
298 | if ( subsubroot != NULL ) { |
---|
299 | uste_var_set_key(subsubroot, "http"); |
---|
300 | uste_var_push(subroot, subsubroot); |
---|
301 | |
---|
302 | __new_member(method); |
---|
303 | __new_member(proto); |
---|
304 | __new_member(uri); |
---|
305 | __new_member(path); |
---|
306 | __new_member(query_string); |
---|
307 | |
---|
308 | var = __res_vio_handle_uste_build_headers(self); |
---|
309 | uste_var_push(subsubroot, var); |
---|
310 | uste_var_unref(var); |
---|
311 | |
---|
312 | var = __res_vio_handle_uste_build_getparams(self); |
---|
313 | uste_var_push(subsubroot, var); |
---|
314 | uste_var_unref(var); |
---|
315 | |
---|
316 | uste_var_unref(subsubroot); |
---|
317 | } |
---|
318 | |
---|
319 | uste_var_unref(subroot); |
---|
320 | } |
---|
321 | |
---|
322 | subroot = uste_var_new_kv(); |
---|
323 | if ( subroot != NULL ) { |
---|
324 | uste_var_set_key(subroot, "__host__"); |
---|
325 | uste_var_push(root, subroot); |
---|
326 | |
---|
327 | subsubroot = subroot; |
---|
328 | __new_member_prefix(self->pluginpara, appname); |
---|
329 | __new_member_prefix(self->pluginpara, abiversion); |
---|
330 | |
---|
331 | uste_var_unref(subroot); |
---|
332 | } |
---|
333 | |
---|
334 | return root; |
---|
335 | } |
---|
336 | |
---|
337 | static void __res_vio_handle_uste(struct http_client * self, struct roar_buffer ** obuffer, const char * content_type, const char * filename) { |
---|
338 | struct roar_buffer * buffer = NULL; |
---|
339 | uste_renderer_t renderer; |
---|
340 | uste_parser_t parser; |
---|
341 | uste_var_t rootkv; |
---|
342 | uste_node_t root; |
---|
343 | int err; |
---|
344 | |
---|
345 | |
---|
346 | parser = uste_parser_new(self->input.vio, filename); |
---|
347 | err = roar_error; |
---|
348 | roar_vio_close(self->input.vio); |
---|
349 | if ( parser == NULL ) { |
---|
350 | send_errorpage(self, obuffer, err, NULL); |
---|
351 | return; |
---|
352 | } |
---|
353 | |
---|
354 | if ( uste_parser_parse(parser) == -1 ) { |
---|
355 | send_errorpage(self, obuffer, roar_error, NULL); |
---|
356 | return; |
---|
357 | } |
---|
358 | |
---|
359 | root = uste_parser_get_rootnode(parser); |
---|
360 | err = roar_error; |
---|
361 | uste_parser_unref(parser); |
---|
362 | |
---|
363 | if ( root == NULL ) { |
---|
364 | send_errorpage(self, obuffer, err, NULL); |
---|
365 | return; |
---|
366 | } |
---|
367 | |
---|
368 | renderer = uste_renderer_new(); |
---|
369 | err = roar_error; |
---|
370 | if ( renderer == NULL ) { |
---|
371 | uste_node_unref(root); |
---|
372 | send_errorpage(self, obuffer, err, NULL); |
---|
373 | return; |
---|
374 | } |
---|
375 | |
---|
376 | uste_stdfunc_register_all(renderer); |
---|
377 | uste_libroar_register_all(renderer); |
---|
378 | |
---|
379 | rootkv = __res_vio_handle_uste_build_rootkv(self); |
---|
380 | err = roar_error; |
---|
381 | if ( rootkv == NULL ) { |
---|
382 | uste_node_unref(root); |
---|
383 | uste_renderer_unref(renderer); |
---|
384 | send_errorpage(self, obuffer, err, NULL); |
---|
385 | return; |
---|
386 | } |
---|
387 | |
---|
388 | uste_renderer_set_rootvar(renderer, rootkv); |
---|
389 | uste_var_unref(rootkv); |
---|
390 | |
---|
391 | buffer = uste_node_render(root, renderer); |
---|
392 | err = roar_error; |
---|
393 | uste_node_unref(root); |
---|
394 | uste_renderer_unref(renderer); |
---|
395 | |
---|
396 | if ( buffer == NULL ) { |
---|
397 | send_errorpage(self, obuffer, err, NULL); |
---|
398 | return; |
---|
399 | } |
---|
400 | |
---|
401 | header_send(obuffer, 200, NULL, content_type, -1); |
---|
402 | |
---|
403 | if ( buffer != NULL ) { |
---|
404 | if ( roar_buffer_moveintoqueue(obuffer, &buffer) == -1 ) { |
---|
405 | roar_buffer_free(buffer); |
---|
406 | return; |
---|
407 | } |
---|
408 | } |
---|
409 | |
---|
410 | self->status = STATUS_DONE; |
---|
411 | } |
---|
412 | #endif |
---|
413 | |
---|
414 | static int __res_vio_check_uste(struct http_client * self, struct roar_buffer ** obuffer, const char * content_type) { |
---|
415 | const size_t len = 14; |
---|
416 | struct roar_buffer * buffer; |
---|
417 | void * data; |
---|
418 | ssize_t ret; |
---|
419 | int err; |
---|
420 | |
---|
421 | // TODO: use content type for some basic filtering. |
---|
422 | (void)content_type; |
---|
423 | |
---|
424 | *obuffer = NULL; |
---|
425 | |
---|
426 | if ( roar_buffer_new_data(&buffer, len, &data) == -1 ) |
---|
427 | return -1; |
---|
428 | |
---|
429 | ret = roar_vio_read(self->input.vio, data, len); |
---|
430 | err = roar_error; |
---|
431 | |
---|
432 | if ( ret < 1 ) { |
---|
433 | roar_buffer_free(buffer); |
---|
434 | roar_error = err; |
---|
435 | return -1; |
---|
436 | } |
---|
437 | |
---|
438 | *obuffer = buffer; |
---|
439 | |
---|
440 | if ( ret == (ssize_t)len ) { |
---|
441 | return !strncmp(data, "@@@TEMPLATE@@@", len); |
---|
442 | } else { |
---|
443 | if ( roar_buffer_set_len(buffer, ret) == -1 ) { |
---|
444 | *obuffer = NULL; |
---|
445 | roar_buffer_free(buffer); |
---|
446 | return -1; |
---|
447 | } |
---|
448 | // is this really a nice idea? |
---|
449 | return 0; |
---|
450 | } |
---|
451 | } |
---|
452 | |
---|
453 | static int __res_vio_header_send(struct http_client * self, struct roar_buffer ** obuffer) { |
---|
454 | static const char * index_files[] = {NULL, "index.html", "index.txt", "index"}; |
---|
455 | struct roar_buffer * buffer; |
---|
456 | struct roar_keyval * path; |
---|
457 | char filename[1024]; |
---|
458 | const char * slash = "/"; |
---|
459 | const char * content_type = NULL; |
---|
460 | int uste_check; |
---|
461 | size_t i; |
---|
462 | const char * indexfile = NULL; |
---|
463 | |
---|
464 | if ( self->pluginpara == NULL ) { |
---|
465 | roar_err_set(ROAR_ERROR_INVAL); |
---|
466 | return -1; |
---|
467 | } |
---|
468 | |
---|
469 | path = roar_keyval_lookup(self->pluginpara->argv, "webroot", self->pluginpara->argc, 1); |
---|
470 | if ( path == NULL ) { |
---|
471 | if ( roar_error == ROAR_ERROR_NOENT ) |
---|
472 | roar_err_set(ROAR_ERROR_INVAL); |
---|
473 | return -1; |
---|
474 | } |
---|
475 | |
---|
476 | if ( path->value == NULL ) { |
---|
477 | roar_err_set(ROAR_ERROR_INVAL); |
---|
478 | return -1; |
---|
479 | } |
---|
480 | |
---|
481 | if ( strstr(self->path, "..") != NULL || strstr(self->path, "#") != NULL ) { |
---|
482 | roar_err_set(ROAR_ERROR_INVAL); |
---|
483 | return -1; |
---|
484 | } |
---|
485 | |
---|
486 | if ( (roar_mm_strlen(path->value) + roar_mm_strlen(self->path) + 2) > sizeof(filename) ) { |
---|
487 | roar_err_set(ROAR_ERROR_NAMETOOLONG); |
---|
488 | return -1; |
---|
489 | } |
---|
490 | |
---|
491 | if ( self->path[0] == '/' || path->value[strlen(path->value)-1] == '/' ) |
---|
492 | slash = ""; |
---|
493 | |
---|
494 | uste_check = -1; |
---|
495 | for (i = 0; uste_check == -1 && i < (sizeof(index_files)/sizeof(*index_files)); i++) { |
---|
496 | indexfile = index_files[i]; |
---|
497 | |
---|
498 | snprintf(filename, sizeof(filename), "%s%s%s%s%s", path->value, slash, self->path, |
---|
499 | indexfile == NULL ? "" : "/", |
---|
500 | indexfile == NULL ? "" : indexfile); |
---|
501 | |
---|
502 | |
---|
503 | self->input.vio = &(self->input.vio_store); |
---|
504 | if ( roar_vio_open_dstr_simple(self->input.vio, filename, ROAR_VIOF_READ|ROAR_VIOF_NONBLOCK) == -1 ) { |
---|
505 | continue; |
---|
506 | } |
---|
507 | |
---|
508 | if ( roar_vio_ctl(self->input.vio, ROAR_VIO_CTL_GET_MIMETYPE, &content_type) == -1 ) |
---|
509 | content_type = NULL; |
---|
510 | |
---|
511 | if ( content_type == NULL ) |
---|
512 | content_type = __res_vio_content_type_get(self, indexfile); |
---|
513 | |
---|
514 | uste_check = __res_vio_check_uste(self, &buffer, content_type); |
---|
515 | if ( uste_check == -1 ) |
---|
516 | roar_vio_unref(self->input.vio); |
---|
517 | } |
---|
518 | |
---|
519 | if ( uste_check == -1 ) |
---|
520 | return -1; |
---|
521 | |
---|
522 | if ( uste_check == 1 ) { |
---|
523 | if ( buffer != NULL ) |
---|
524 | roar_buffer_free(buffer); |
---|
525 | #ifdef ROAR_HAVE_LIBUSTE |
---|
526 | __res_vio_handle_uste(self, obuffer, content_type, filename); |
---|
527 | return 0; |
---|
528 | #else |
---|
529 | roar_vio_close(self->input.vio); |
---|
530 | send_errorpage(self, obuffer, ROAR_ERROR_NOSYS, NULL); |
---|
531 | return 0; |
---|
532 | #endif |
---|
533 | } |
---|
534 | |
---|
535 | header_send(obuffer, 200, NULL, content_type, -1); |
---|
536 | |
---|
537 | if ( buffer != NULL ) { |
---|
538 | if ( roar_buffer_moveintoqueue(obuffer, &buffer) == -1 ) { |
---|
539 | roar_buffer_free(buffer); |
---|
540 | return -1; |
---|
541 | } |
---|
542 | } |
---|
543 | |
---|
544 | self->status = STATUS_RUNNING_DATA; |
---|
545 | return 0; |
---|
546 | } |
---|
547 | |
---|
548 | static int __res_vio_body_send(struct http_client * self, struct roar_buffer ** obuffer) { |
---|
549 | const size_t len = 1024; |
---|
550 | struct roar_buffer * buffer; |
---|
551 | void * data; |
---|
552 | ssize_t ret; |
---|
553 | |
---|
554 | if ( self->status == STATUS_DONE ) |
---|
555 | return 0; |
---|
556 | |
---|
557 | if ( roar_buffer_new_data(&buffer, len, &data) == -1 ) |
---|
558 | return -1; |
---|
559 | |
---|
560 | ret = roar_vio_read(self->input.vio, data, len); |
---|
561 | |
---|
562 | if ( ret == -1 && roar_error == ROAR_ERROR_AGAIN ) { |
---|
563 | ret = 0; |
---|
564 | } else if ( ret < 1 ) { |
---|
565 | roar_buffer_free(buffer); |
---|
566 | if ( roar_error != ROAR_ERROR_AGAIN ) { |
---|
567 | self->status = STATUS_DONE; |
---|
568 | roar_vio_close(self->input.vio); |
---|
569 | } |
---|
570 | return 0; |
---|
571 | } |
---|
572 | |
---|
573 | if ( roar_buffer_set_len(buffer, ret) == -1 ) { |
---|
574 | roar_buffer_free(buffer); |
---|
575 | return -1; |
---|
576 | } |
---|
577 | |
---|
578 | if ( roar_buffer_moveintoqueue(obuffer, &buffer) == -1 ) { |
---|
579 | roar_buffer_free(buffer); |
---|
580 | return -1; |
---|
581 | } |
---|
582 | |
---|
583 | return 0; |
---|
584 | } |
---|
585 | |
---|
586 | static const struct resource_handle _g_resources[] = { |
---|
587 | { |
---|
588 | .uri = "/test/*", |
---|
589 | .rawdata = "Hello world!\n", |
---|
590 | .rawlen = 13, |
---|
591 | .content_type = NULL, |
---|
592 | .header_send = NULL, |
---|
593 | .body_send = NULL |
---|
594 | }, |
---|
595 | { |
---|
596 | .uri = "/szs/*", |
---|
597 | .rawdata = NULL, |
---|
598 | .rawlen = -1, |
---|
599 | .content_type = NULL, |
---|
600 | .header_send = NULL, |
---|
601 | .body_send = slow_zero_stream |
---|
602 | }, |
---|
603 | { |
---|
604 | .uri = "*", |
---|
605 | .rawdata = NULL, |
---|
606 | .rawlen = -1, |
---|
607 | .content_type = NULL, |
---|
608 | .header_send = __res_vio_header_send, |
---|
609 | .body_send = __res_vio_body_send |
---|
610 | } |
---|
611 | }; |
---|
612 | |
---|
613 | |
---|
614 | static inline int __ret(struct http_client * self, struct roar_buffer ** obuffer) { |
---|
615 | ROAR_DBG("__ret(self=%p, obuffer=%p{%p}): self->status=%i", self, obuffer, *obuffer, (int)self->status); |
---|
616 | if ( *obuffer != NULL ) |
---|
617 | return 0; |
---|
618 | if ( self->status == STATUS_DONE ) |
---|
619 | return -1; |
---|
620 | return 0; |
---|
621 | } |
---|
622 | |
---|
623 | static int __ctl(struct http_client * self, enum ctl_cmd cmd, void * argp) { |
---|
624 | switch (cmd) { |
---|
625 | case CMD_SET_CLIENTNAME: |
---|
626 | if ( argp == NULL ) { |
---|
627 | roar_err_set(ROAR_ERROR_FAULT); |
---|
628 | return -1; |
---|
629 | } |
---|
630 | ROAR_DBG("__ctl(self=%p, cmd=%i, argp='%s') = ?", self, (int)cmd, (const char *)argp); |
---|
631 | switch (__host.hosttype) { |
---|
632 | case HOSTTYPE_GENERIC: |
---|
633 | roar_err_set(ROAR_ERROR_BADHOST); |
---|
634 | return -1; |
---|
635 | break; |
---|
636 | case HOSTTYPE_ROARD: |
---|
637 | __host.hostspec.roard.clients_set_name(self->clientid, argp); |
---|
638 | break; |
---|
639 | } |
---|
640 | break; |
---|
641 | } |
---|
642 | |
---|
643 | roar_err_set(ROAR_ERROR_BADRQC); |
---|
644 | return -1; |
---|
645 | } |
---|
646 | |
---|
647 | static void __init(struct roar_dl_librarypara * para) { |
---|
648 | // TODO add some init code here. |
---|
649 | |
---|
650 | if ( para == NULL ) |
---|
651 | return; |
---|
652 | |
---|
653 | if ( !roar_dl_para_check_version(para, "roard <0/RoarAudio>", "1.0beta8") ) { |
---|
654 | __host.hosttype = HOSTTYPE_ROARD; |
---|
655 | __host.hostspec.roard.clients_set_name = roar_dl_getsym(ROAR_DL_HANDLE_APPLICATION, "clients_set_name", -1); |
---|
656 | |
---|
657 | // check if *all* function have been found: |
---|
658 | if ( __host.hostspec.roard.clients_set_name == NULL ) { |
---|
659 | __host.hosttype = HOSTTYPE_GENERIC; |
---|
660 | } |
---|
661 | } |
---|
662 | } |
---|
663 | |
---|
664 | // this function is a wrapper for __init() with the code which should be inlined. |
---|
665 | static inline void _init(struct roar_dl_librarypara * para) { |
---|
666 | static int inited = 0; |
---|
667 | if (inited) return; |
---|
668 | __init(para); |
---|
669 | inited = 1; |
---|
670 | } |
---|
671 | |
---|
672 | static const struct resource_handle * resource_lookup_by_uri(const char * uri) { |
---|
673 | size_t i; |
---|
674 | |
---|
675 | for (i = 0; i < (sizeof(_g_resources)/sizeof(*_g_resources)); i++) { |
---|
676 | if ( !roar_mm_strselcmp(_g_resources[i].uri, uri) ) { |
---|
677 | return &(_g_resources[i]); |
---|
678 | } |
---|
679 | } |
---|
680 | |
---|
681 | roar_err_set(ROAR_ERROR_NOENT); |
---|
682 | return NULL; |
---|
683 | } |
---|
684 | |
---|
685 | static int resource_header_send(struct http_client * self, struct roar_buffer ** obuffer) { |
---|
686 | if ( self->resource->header_send != NULL ) |
---|
687 | return self->resource->header_send(self, obuffer); |
---|
688 | |
---|
689 | return header_send(obuffer, 200, NULL, self->resource->content_type, self->resource->rawlen); |
---|
690 | } |
---|
691 | |
---|
692 | static int resource_body_send(struct http_client * self, struct roar_buffer ** obuffer) { |
---|
693 | struct roar_buffer * buffer; |
---|
694 | void * data; |
---|
695 | int ret; |
---|
696 | |
---|
697 | if ( self->resource->body_send != NULL ) |
---|
698 | return self->resource->body_send(self, obuffer); |
---|
699 | |
---|
700 | if ( self->resource->rawlen == -1 ) { |
---|
701 | self->status = STATUS_DONE; |
---|
702 | roar_err_set(ROAR_ERROR_INVAL); |
---|
703 | return -1; |
---|
704 | } |
---|
705 | |
---|
706 | if ( roar_buffer_new_data(&buffer, self->resource->rawlen, &data) == -1 ) { |
---|
707 | self->status = STATUS_DONE; |
---|
708 | return -1; |
---|
709 | } |
---|
710 | |
---|
711 | memcpy(data, self->resource->rawdata, self->resource->rawlen); |
---|
712 | |
---|
713 | ret = roar_buffer_moveintoqueue(obuffer, &buffer); |
---|
714 | self->status = STATUS_DONE; |
---|
715 | |
---|
716 | return ret; |
---|
717 | } |
---|
718 | |
---|
719 | static int header_parse(struct http_client * self) { |
---|
720 | void * data; |
---|
721 | size_t len; |
---|
722 | size_t i; |
---|
723 | char * start, * end; |
---|
724 | char * start_uri; |
---|
725 | char * start_headers, * end_headers = NULL; |
---|
726 | char * tmp; |
---|
727 | struct roar_keyval * c; |
---|
728 | |
---|
729 | if ( roar_buffer_get_datalen(self->input_buffer, &data, &len) == -1 ) |
---|
730 | return -1; |
---|
731 | |
---|
732 | ROAR_DBG("header_parse(self=%p): data='%*s'", self, (int)len, (const char*)data); |
---|
733 | |
---|
734 | if ( len < 4 ) |
---|
735 | return 0; |
---|
736 | |
---|
737 | for (i = 0; i < (len - 3); i++) { |
---|
738 | if ( ((const char*)data)[i] == '\r' ) { |
---|
739 | ROAR_DBG("header_parse(self=%p): i=%i", self, (int)i); |
---|
740 | if ( !strncmp(data + i, "\r\n\r\n", 4) ) { |
---|
741 | self->status = STATUS_END_OF_HEADER; |
---|
742 | end_headers = data + i; |
---|
743 | break; |
---|
744 | } |
---|
745 | } |
---|
746 | } |
---|
747 | |
---|
748 | if ( self->status != STATUS_END_OF_HEADER ) { |
---|
749 | for (i = 0; i < (len - 1); i++) { |
---|
750 | if ( ((const char*)data)[i] == '\n' ) { |
---|
751 | ROAR_DBG("header_parse(self=%p): i=%i", self, (int)i); |
---|
752 | if ( !strncmp(data + i, "\n\n", 2) ) { |
---|
753 | self->status = STATUS_END_OF_HEADER; |
---|
754 | end_headers = data + i; |
---|
755 | break; |
---|
756 | } |
---|
757 | } |
---|
758 | } |
---|
759 | } |
---|
760 | |
---|
761 | if ( self->status != STATUS_END_OF_HEADER ) |
---|
762 | return 0; |
---|
763 | |
---|
764 | *end_headers = 0; |
---|
765 | |
---|
766 | end = strstr(data, " "); |
---|
767 | if ( end == NULL ) { |
---|
768 | self->status = STATUS_BAD_HEADER; |
---|
769 | return 1; |
---|
770 | } |
---|
771 | |
---|
772 | *end = 0; |
---|
773 | end++; |
---|
774 | self->method = roar_mm_strdup(data); |
---|
775 | |
---|
776 | start = end; |
---|
777 | |
---|
778 | end = strstr(start, " "); |
---|
779 | if ( end == NULL ) { |
---|
780 | self->status = STATUS_BAD_HEADER; |
---|
781 | return 1; |
---|
782 | } |
---|
783 | |
---|
784 | *end = 0; |
---|
785 | end++; |
---|
786 | self->uri = roar_mm_strdup(start); |
---|
787 | start_uri = start; |
---|
788 | |
---|
789 | start = end; |
---|
790 | |
---|
791 | end = strstr(start, "\r"); |
---|
792 | if ( end == NULL ) |
---|
793 | end = strstr(start, "\n"); |
---|
794 | if ( end == NULL ) { |
---|
795 | self->status = STATUS_BAD_HEADER; |
---|
796 | return 1; |
---|
797 | } |
---|
798 | |
---|
799 | *end = 0; |
---|
800 | end++; |
---|
801 | self->proto = roar_mm_strdup(start); |
---|
802 | |
---|
803 | start_headers = end; |
---|
804 | |
---|
805 | start = start_uri; |
---|
806 | |
---|
807 | end = strstr(start, "?"); |
---|
808 | if ( end == NULL ) { |
---|
809 | self->path = roar_mm_strdup(start); |
---|
810 | } else { |
---|
811 | *end = 0; |
---|
812 | end++; |
---|
813 | self->path = roar_mm_strdup(start); |
---|
814 | self->query_string = roar_mm_strdup(end); |
---|
815 | } |
---|
816 | |
---|
817 | self->headerslen = 0; |
---|
818 | |
---|
819 | i = end_headers - start_headers + 1; |
---|
820 | self->headersstore = roar_mm_memdup(start_headers, i); |
---|
821 | if ( self->headersstore == NULL ) { |
---|
822 | self->status = STATUS_BAD_HEADER; // TODO: FIXME: not the right error, but works. ;) |
---|
823 | return -1; |
---|
824 | } |
---|
825 | |
---|
826 | start_headers = self->headersstore; |
---|
827 | end_headers = start_headers + i; |
---|
828 | |
---|
829 | for (tmp = start_headers; tmp < end_headers;) { |
---|
830 | for (; tmp < end_headers && (*tmp == '\r' || *tmp == '\n'); tmp++); |
---|
831 | if ( tmp == end_headers ) |
---|
832 | break; |
---|
833 | self->headerslen++; |
---|
834 | for (; tmp < end_headers && !(*tmp == '\r' || *tmp == '\n'); tmp++); |
---|
835 | } |
---|
836 | |
---|
837 | ROAR_DBG("header_parse(self=%p): self->headerslen=%i", self, (int)self->headerslen); |
---|
838 | |
---|
839 | self->headers = roar_mm_malloc(sizeof(struct roar_keyval)*(self->headerslen+1)); |
---|
840 | if ( self->headers == NULL ) { |
---|
841 | self->status = STATUS_BAD_HEADER; // TODO: FIXME: not the right error, but works. ;) |
---|
842 | return -1; |
---|
843 | } |
---|
844 | memset(self->headers, 0, sizeof(struct roar_keyval)*(self->headerslen+1)); |
---|
845 | c = self->headers; |
---|
846 | |
---|
847 | for (tmp = start_headers; tmp < end_headers;) { |
---|
848 | ROAR_DBG("header_parse(self=%p): tmp='%s'", self, tmp); |
---|
849 | for (; tmp < end_headers && (*tmp == '\r' || *tmp == '\n'); tmp++) *tmp = '\0'; |
---|
850 | if ( tmp == end_headers ) |
---|
851 | break; |
---|
852 | ROAR_DBG("header_parse(self=%p): tmp='%s'", self, tmp); |
---|
853 | c->key = tmp; |
---|
854 | ROAR_DBG("header_parse(self=%p): c->key='%s'", self, c->key); |
---|
855 | for (; tmp < end_headers && !(*tmp == '\r' || *tmp == '\n' || *tmp == ':'); tmp++); |
---|
856 | c->value = tmp; |
---|
857 | for (; tmp < end_headers && !(*tmp == '\r' || *tmp == '\n'); tmp++); |
---|
858 | c++; |
---|
859 | } |
---|
860 | |
---|
861 | c->key = NULL; |
---|
862 | c->value = NULL; |
---|
863 | |
---|
864 | for (i = 0; i < (size_t)self->headerslen; i++) { |
---|
865 | c = &(self->headers[i]); |
---|
866 | if ( c->value[0] == '\0' ) { |
---|
867 | c->value = NULL; |
---|
868 | continue; |
---|
869 | } |
---|
870 | |
---|
871 | c->value[0] = '\0'; |
---|
872 | c->value++; |
---|
873 | |
---|
874 | for (; c->value[0] == ' '; c->value++); |
---|
875 | |
---|
876 | if ( c->value[0] == '\0' ) |
---|
877 | c->value = NULL; |
---|
878 | } |
---|
879 | |
---|
880 | return 1; |
---|
881 | } |
---|
882 | |
---|
883 | static int header_send(struct roar_buffer ** obuffer, int status, const char * msg, const char * content_type, ssize_t len) { |
---|
884 | struct roar_buffer * buffer; |
---|
885 | size_t bufferlen = 1024; |
---|
886 | void * data; |
---|
887 | char buffer_len[64]; |
---|
888 | |
---|
889 | if ( roar_buffer_new_data(&buffer, bufferlen, &data) == -1 ) |
---|
890 | return -1; |
---|
891 | |
---|
892 | if ( msg == NULL ) { |
---|
893 | switch (status) { |
---|
894 | case 200: msg = "OK"; break; |
---|
895 | case 400: msg = "Bad Request"; break; |
---|
896 | case 404: msg = "File not found"; break; |
---|
897 | case 500: msg = "Internal server error"; break; |
---|
898 | default: msg = "<<<unknown status code>>>"; break; |
---|
899 | } |
---|
900 | } |
---|
901 | |
---|
902 | if ( content_type == NULL ) |
---|
903 | content_type = "text/plain"; |
---|
904 | |
---|
905 | if ( len == (ssize_t)-1 ) { |
---|
906 | buffer_len[0] = 0; |
---|
907 | } else { |
---|
908 | snprintf(buffer_len, sizeof(buffer_len), "Content-Length: %lu\r\n", (long unsigned int)len); |
---|
909 | } |
---|
910 | |
---|
911 | /* |
---|
912 | Date: Sun, 29 Jul 2012 01:08:15 GMT |
---|
913 | Cache-Control: no-cache,no-store |
---|
914 | Content-Type: text/html; charset=%s |
---|
915 | */ |
---|
916 | snprintf(data, bufferlen, "HTTP/1.0 %i %s\r\n" |
---|
917 | "Server: protocol-http (libroar plugin)\r\n" |
---|
918 | "Connection: close\r\n" |
---|
919 | "Content-Type: %s\r\n" |
---|
920 | "%s" |
---|
921 | "\r\n", |
---|
922 | status, msg, content_type, buffer_len |
---|
923 | ); |
---|
924 | |
---|
925 | if ( roar_buffer_set_len(buffer, roar_mm_strlen(data)) == -1 ) { |
---|
926 | roar_buffer_free(buffer); |
---|
927 | return -1; |
---|
928 | } |
---|
929 | |
---|
930 | if ( roar_buffer_moveintoqueue(obuffer, &buffer) == -1 ) { |
---|
931 | roar_buffer_free(buffer); |
---|
932 | return -1; |
---|
933 | } |
---|
934 | |
---|
935 | return 0; |
---|
936 | } |
---|
937 | |
---|
938 | static void send_errorpage(struct http_client * self, struct roar_buffer ** obuffer, int error, const char * msg) { |
---|
939 | struct roar_buffer * buffer; |
---|
940 | const size_t bufferlen = 1024; |
---|
941 | void * data; |
---|
942 | int httperror; |
---|
943 | |
---|
944 | if ( roar_err_convert(&httperror, ROAR_ERROR_TYPE_HTTP, error, ROAR_ERROR_TYPE_ROARAUDIO) == -1 ) |
---|
945 | httperror = 500; |
---|
946 | |
---|
947 | if ( msg == NULL ) |
---|
948 | msg = roar_error2str(error); |
---|
949 | |
---|
950 | // send header and mark as done early so we can just return in case some of the later calls fail. |
---|
951 | header_send(obuffer, httperror, msg, "text/html", -1); |
---|
952 | self->status = STATUS_DONE; |
---|
953 | |
---|
954 | if ( roar_buffer_new_data(&buffer, bufferlen, &data) == -1 ) |
---|
955 | return; |
---|
956 | |
---|
957 | snprintf(data, bufferlen, "<html>\n" |
---|
958 | " <head><title>%i - %s</title></head>\n" |
---|
959 | " <body>\n" |
---|
960 | " <h1>%i - %s</h1><hr>\n" |
---|
961 | " </body>\n" |
---|
962 | "</html>", |
---|
963 | httperror, msg, httperror, msg); |
---|
964 | |
---|
965 | _LIBROAR_IGNORE_RET(roar_buffer_set_len(buffer, roar_mm_strlen(data))); |
---|
966 | |
---|
967 | if ( roar_buffer_moveintoqueue(obuffer, &buffer) == -1 ) |
---|
968 | roar_buffer_free(buffer); |
---|
969 | } |
---|
970 | |
---|
971 | static void handle_client(struct http_client * self, struct roar_buffer ** obuffer) { |
---|
972 | struct roar_keyval * kv; |
---|
973 | |
---|
974 | // meta stuff: |
---|
975 | // try to set client name. |
---|
976 | kv = roar_keyval_lookup(self->headers, "user-agent", self->headerslen, 0); |
---|
977 | if ( kv != NULL && kv->value != NULL ) { |
---|
978 | __ctl(self, CMD_SET_CLIENTNAME, kv->value); |
---|
979 | } |
---|
980 | |
---|
981 | // first try lookup including query string. if nothing is found |
---|
982 | // retry search with only resource path. |
---|
983 | self->resource = resource_lookup_by_uri(self->uri); |
---|
984 | if ( self->resource == NULL ) |
---|
985 | self->resource = resource_lookup_by_uri(self->path); |
---|
986 | |
---|
987 | if ( self->resource == NULL ) { |
---|
988 | send_errorpage(self, obuffer, roar_error, NULL); |
---|
989 | return; |
---|
990 | } |
---|
991 | |
---|
992 | if ( resource_header_send(self, obuffer) == -1 ) { |
---|
993 | send_errorpage(self, obuffer, roar_error, NULL); |
---|
994 | return; |
---|
995 | } |
---|
996 | |
---|
997 | resource_body_send(self, obuffer); |
---|
998 | |
---|
999 | //send_errorpage(self, obuffer, ROAR_ERROR_CAUSALITY, NULL); |
---|
1000 | // send_errorpage(self, obuffer, roar_random_uint16() % ROAR_ERROR_BADLICENSE, NULL); |
---|
1001 | return; |
---|
1002 | } |
---|
1003 | |
---|
1004 | |
---|
1005 | static int _set_proto(int client, struct roar_vio_calls * vio, struct roar_buffer ** obuffer, void ** userdata, const struct roar_keyval * protopara, ssize_t protoparalen, struct roar_dl_librarypara * pluginpara) { |
---|
1006 | struct http_client * self = roar_mm_malloc(sizeof(struct http_client)); |
---|
1007 | |
---|
1008 | (void)vio, (void)protopara, (void)protoparalen; |
---|
1009 | |
---|
1010 | if ( self == NULL ) |
---|
1011 | return -1; |
---|
1012 | |
---|
1013 | _init(pluginpara); |
---|
1014 | |
---|
1015 | memset(self, 0, sizeof(*self)); |
---|
1016 | self->status = STATUS_WAITING_FOR_HEADERS; |
---|
1017 | self->headerslen = (ssize_t)-1; |
---|
1018 | self->clientid = client; |
---|
1019 | |
---|
1020 | if ( pluginpara != NULL ) { |
---|
1021 | roar_dl_para_ref(pluginpara); |
---|
1022 | self->pluginpara = pluginpara; |
---|
1023 | } |
---|
1024 | |
---|
1025 | *userdata = self; |
---|
1026 | |
---|
1027 | return __ret(self, obuffer); |
---|
1028 | } |
---|
1029 | |
---|
1030 | static int _unset_proto(int client, struct roar_vio_calls * vio, struct roar_buffer ** obuffer, void ** userdata, const struct roar_keyval * protopara, ssize_t protoparalen, struct roar_dl_librarypara * pluginpara) { |
---|
1031 | struct http_client * self = *userdata; |
---|
1032 | |
---|
1033 | (void)client, (void)vio, (void)obuffer, (void)protopara, (void)protoparalen, (void)pluginpara; |
---|
1034 | |
---|
1035 | if ( self->input_buffer != NULL ) |
---|
1036 | roar_buffer_free(self->input_buffer); |
---|
1037 | |
---|
1038 | if ( self->method != NULL ) |
---|
1039 | roar_mm_free(self->method); |
---|
1040 | if ( self->proto != NULL ) |
---|
1041 | roar_mm_free(self->proto); |
---|
1042 | if ( self->uri != NULL ) |
---|
1043 | roar_mm_free(self->uri); |
---|
1044 | if ( self->path != NULL ) |
---|
1045 | roar_mm_free(self->path); |
---|
1046 | if ( self->query_string != NULL ) |
---|
1047 | roar_mm_free(self->query_string); |
---|
1048 | if ( self->headersstore != NULL ) |
---|
1049 | roar_mm_free(self->headersstore); |
---|
1050 | if ( self->headers != NULL ) |
---|
1051 | roar_mm_free(self->headers); |
---|
1052 | |
---|
1053 | if ( self->pluginpara != NULL ) |
---|
1054 | roar_dl_para_unref(self->pluginpara); |
---|
1055 | |
---|
1056 | roar_mm_free(self); |
---|
1057 | *userdata = NULL; |
---|
1058 | |
---|
1059 | return 0; |
---|
1060 | } |
---|
1061 | |
---|
1062 | #define _INCREMENT 256 |
---|
1063 | static int _handle(int client, struct roar_vio_calls * vio, struct roar_buffer ** obuffer, void ** userdata, const struct roar_keyval * protopara, ssize_t protoparalen, struct roar_dl_librarypara * pluginpara) { |
---|
1064 | struct http_client * self = *userdata; |
---|
1065 | void * data; |
---|
1066 | size_t oldlen; |
---|
1067 | ssize_t ret; |
---|
1068 | |
---|
1069 | (void)client, (void)protopara, (void)protoparalen, (void)pluginpara; |
---|
1070 | |
---|
1071 | if ( self->status != STATUS_WAITING_FOR_HEADERS ) |
---|
1072 | return __ret(self, obuffer); |
---|
1073 | |
---|
1074 | if ( self->input_buffer == NULL ) { |
---|
1075 | if ( roar_buffer_new_data(&(self->input_buffer), _INCREMENT, &data) == -1 ) |
---|
1076 | return -1; |
---|
1077 | oldlen = 0; |
---|
1078 | } else { |
---|
1079 | if ( roar_buffer_get_len(self->input_buffer, &oldlen) == -1 ) |
---|
1080 | return -1; |
---|
1081 | if ( roar_buffer_set_len(self->input_buffer, oldlen + _INCREMENT) == -1 ) |
---|
1082 | return -1; |
---|
1083 | if ( roar_buffer_get_data(self->input_buffer, &data) == -1 ) |
---|
1084 | return -1; |
---|
1085 | } |
---|
1086 | |
---|
1087 | data += oldlen; |
---|
1088 | |
---|
1089 | ret = roar_vio_read(vio, data, _INCREMENT); |
---|
1090 | if ( ret == (ssize_t)-1 ) { |
---|
1091 | // we can safely ignore return value here as we return error anyway. |
---|
1092 | _LIBROAR_IGNORE_RET(roar_buffer_set_len(self->input_buffer, oldlen)); |
---|
1093 | return -1; |
---|
1094 | } |
---|
1095 | |
---|
1096 | if ( roar_buffer_set_len(self->input_buffer, oldlen + ret) == -1 ) { |
---|
1097 | ROAR_WARN("_handle(*): Can not reset buffer length. BAD. Error was: %s", roar_errorstring); |
---|
1098 | return -1; |
---|
1099 | } |
---|
1100 | |
---|
1101 | header_parse(self); |
---|
1102 | |
---|
1103 | if ( self->status == STATUS_BAD_HEADER ) { |
---|
1104 | header_send(obuffer, 400, NULL, NULL, -1); |
---|
1105 | self->status = STATUS_DONE; |
---|
1106 | } else if ( self->status == STATUS_END_OF_HEADER ) { |
---|
1107 | handle_client(self, obuffer); |
---|
1108 | } |
---|
1109 | |
---|
1110 | return __ret(self, obuffer); |
---|
1111 | } |
---|
1112 | |
---|
1113 | // this is a dummy function only used to kill the client after all data has been flushed. |
---|
1114 | static int _flushed(int client, struct roar_vio_calls * vio, struct roar_buffer ** obuffer, void ** userdata, const struct roar_keyval * protopara, ssize_t protoparalen, struct roar_dl_librarypara * pluginpara) { |
---|
1115 | struct http_client * self = *userdata; |
---|
1116 | |
---|
1117 | (void)client, (void)vio, (void)protopara, (void)protoparalen, (void)pluginpara; |
---|
1118 | |
---|
1119 | ROAR_DBG("_flushed(*) = ?"); |
---|
1120 | |
---|
1121 | if ( self->status == STATUS_RUNNING_DATA ) |
---|
1122 | resource_body_send(self, obuffer); |
---|
1123 | |
---|
1124 | return __ret(self, obuffer); |
---|
1125 | } |
---|
1126 | |
---|
1127 | static const struct roar_dl_proto proto = { |
---|
1128 | .proto = ROAR_PROTO_HTTP, |
---|
1129 | .description = "Hyper Text Transfer Protocol", |
---|
1130 | .flags = ROAR_DL_PROTO_FLAGS_NONE, |
---|
1131 | .set_proto = _set_proto, |
---|
1132 | .unset_proto = _unset_proto, |
---|
1133 | .handle = _handle, |
---|
1134 | .flush = NULL, |
---|
1135 | .flushed = _flushed, |
---|
1136 | .status = NULL |
---|
1137 | }; |
---|
1138 | |
---|
1139 | static int __reg_proto(struct roar_dl_librarypara * para, struct roar_dl_libraryinst * lib) { |
---|
1140 | (void)para, (void)lib; |
---|
1141 | ROAR_DL_PLUGIN_REG_FN(ROAR_DL_PROTO_SUBTYPE, proto, ROAR_DL_PROTO_VERSION); |
---|
1142 | return 0; |
---|
1143 | } |
---|
1144 | |
---|
1145 | ROAR_DL_PLUGIN_START(protocol_http) { |
---|
1146 | ROAR_DL_PLUGIN_META_PRODUCT_NIV("protocol-http", ROAR_VID_ROARAUDIO, ROAR_VNAME_ROARAUDIO); |
---|
1147 | ROAR_DL_PLUGIN_META_VERSION(ROAR_VERSION_STRING); |
---|
1148 | ROAR_DL_PLUGIN_META_LICENSE_TAG(GPLv3_0); |
---|
1149 | ROAR_DL_PLUGIN_META_CONTACT_FLNE("Philipp", "Schafft", "ph3-der-loewe", "lion@lion.leolix.org"); |
---|
1150 | ROAR_DL_PLUGIN_META_DESC("Implementation of the HTTP Protocol"); |
---|
1151 | |
---|
1152 | ROAR_DL_PLUGIN_REG(ROAR_DL_FN_PROTO, __reg_proto); |
---|
1153 | } ROAR_DL_PLUGIN_END |
---|
1154 | |
---|
1155 | //ll |
---|