1 | //emul_gopher.c: |
---|
2 | |
---|
3 | /* |
---|
4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2011 |
---|
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 "roard.h" |
---|
27 | |
---|
28 | #ifndef ROAR_WITHOUT_DCOMP_EMUL_GOPHER |
---|
29 | #include <roaraudio/proto_gopher.h> |
---|
30 | |
---|
31 | #define _INFO ROAR_GOPHER_TYPE_INFO |
---|
32 | #define _DIR ROAR_GOPHER_TYPE_DIR |
---|
33 | #define _FILE ROAR_GOPHER_TYPE_FILE |
---|
34 | #define _SOUND ROAR_GOPHER_TYPE_SOUND |
---|
35 | |
---|
36 | struct item; |
---|
37 | |
---|
38 | static int scb_status_txt (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
---|
39 | static int scb_test (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
---|
40 | static int scb_clients (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
---|
41 | static int scb_streams (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
---|
42 | static int scb_client_info(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
---|
43 | static int scb_stream_info(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
---|
44 | |
---|
45 | static struct roar_gopher_menu_item g_gopher_root_menu[] = { |
---|
46 | {.type = _INFO, .name = "roard Root Menu"}, |
---|
47 | {.type = _FILE, .name = "Server Info", .selector = "/info.txt", .host = NULL, .port = 0}, |
---|
48 | {.type = _FILE, .name = "Server Status", .selector = "/status.txt", .host = NULL, .port = 0}, |
---|
49 | {.type = _DIR, .name = "Clients", .selector = "/clients/", .host = NULL, .port = 0}, |
---|
50 | {.type = _DIR, .name = "Streams", .selector = "/streams/", .host = NULL, .port = 0}, |
---|
51 | }; |
---|
52 | |
---|
53 | static struct item { |
---|
54 | const char * selector; |
---|
55 | char type; |
---|
56 | struct roar_gopher_menu menu; |
---|
57 | struct roar_audio_info info; |
---|
58 | int dir; |
---|
59 | const char * text; |
---|
60 | int (*cb)(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
---|
61 | } g_gopher_items[] = { |
---|
62 | {.selector = "", .type = _DIR, |
---|
63 | .menu = {.items = g_gopher_root_menu, .items_len = sizeof(g_gopher_root_menu)/sizeof(*g_gopher_root_menu)}, |
---|
64 | .cb = NULL |
---|
65 | }, |
---|
66 | // and again as selector '/' as some clients seems to require it: |
---|
67 | {.selector = "/", .type = _DIR, |
---|
68 | .menu = {.items = g_gopher_root_menu, .items_len = sizeof(g_gopher_root_menu)/sizeof(*g_gopher_root_menu)}, |
---|
69 | .cb = NULL |
---|
70 | }, |
---|
71 | {.selector = "/info.txt", .type = _FILE, .text = "Some\nText.", .cb = NULL}, |
---|
72 | {.selector = "/status.txt", .type = _FILE, .cb = scb_status_txt}, |
---|
73 | {.selector = "/test/*", .type = _FILE, .cb = scb_test}, |
---|
74 | {.selector = "/clients/", .type = _DIR, .cb = scb_clients}, |
---|
75 | {.selector = "/streams/", .type = _DIR, .cb = scb_streams}, |
---|
76 | {.selector = "/clients/*/", .type = _DIR, .cb = scb_client_info}, |
---|
77 | {.selector = "/streams/*/", .type = _DIR, .cb = scb_stream_info} |
---|
78 | }; |
---|
79 | |
---|
80 | static int strselcmp(const char *s1, const char *s2); |
---|
81 | static ssize_t strseltok(const char *s1, char *s2, char ** tok, size_t toks); |
---|
82 | |
---|
83 | static char * _aprintf(size_t sizehint, const char * format, ...); |
---|
84 | |
---|
85 | static int send_menu (int client, struct roar_gopher_menu * menu, struct roar_vio_calls * vio); |
---|
86 | static int send_text (int client, const char * text, struct roar_vio_calls * vio); |
---|
87 | |
---|
88 | |
---|
89 | // SCBs: |
---|
90 | static int scb_status_txt (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
---|
91 | const size_t len = 1024; |
---|
92 | const char * server_version = NULL; |
---|
93 | |
---|
94 | if ( DISTRIBUTION_VERSION_STRING[0] == 0 ) { |
---|
95 | server_version = "roard/" PACKAGE_VERSION " <" DEVICE_VENDOR_STRING ">"; |
---|
96 | } else { |
---|
97 | server_version = "roard/" PACKAGE_VERSION " <" DEVICE_VENDOR_STRING "> (" DISTRIBUTION_VERSION_STRING ")"; |
---|
98 | } |
---|
99 | |
---|
100 | *text = roar_mm_malloc(len); |
---|
101 | if ( *text == NULL ) |
---|
102 | return -1; |
---|
103 | |
---|
104 | **text = 0; |
---|
105 | |
---|
106 | snprintf(*text, len, |
---|
107 | "Server version: %s\r\n" |
---|
108 | "Server location: %s\r\n" |
---|
109 | "Server description: %s\r\n" |
---|
110 | "\r\n" |
---|
111 | "Counters current: %llu clients, %llu streams\r\n", |
---|
112 | server_version, |
---|
113 | g_config->location, |
---|
114 | g_config->description, |
---|
115 | (long long unsigned int)g_counters.cur.clients, |
---|
116 | (long long unsigned int)g_counters.cur.streams |
---|
117 | ); |
---|
118 | |
---|
119 | (*text)[len-1] = 0; |
---|
120 | return 0; |
---|
121 | } |
---|
122 | |
---|
123 | static int scb_test(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
---|
124 | ssize_t toks; |
---|
125 | char * tok; |
---|
126 | size_t len; |
---|
127 | |
---|
128 | toks = strseltok(sitem->selector, selector, &tok, 1); |
---|
129 | |
---|
130 | if ( toks == -1 ) |
---|
131 | return -1; |
---|
132 | |
---|
133 | len = strlen(tok); |
---|
134 | len += 64; |
---|
135 | |
---|
136 | *text = roar_mm_malloc(1024); |
---|
137 | if ( *text == NULL ) |
---|
138 | return -1; |
---|
139 | |
---|
140 | **text = 0; |
---|
141 | |
---|
142 | snprintf(*text, len, "Your text was: %s", tok); |
---|
143 | |
---|
144 | (*text)[len-1] = 0; |
---|
145 | |
---|
146 | return 0; |
---|
147 | } |
---|
148 | |
---|
149 | static int scb_clients (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
---|
150 | struct roar_gopher_menu_item items[ROAR_CLIENTS_MAX]; |
---|
151 | struct roar_gopher_menu menu = {.flags = 0, .items = items, .items_len = 0}; |
---|
152 | struct roar_gopher_menu_item * item; |
---|
153 | struct roar_client_server * cs; |
---|
154 | struct roar_client * c; |
---|
155 | const size_t len = 80; |
---|
156 | char * d; |
---|
157 | size_t i; |
---|
158 | int ret; |
---|
159 | |
---|
160 | memset(items, 0, sizeof(items)); |
---|
161 | |
---|
162 | for (i = 0; i < ROAR_CLIENTS_MAX; i++) { |
---|
163 | if ( (c = ROAR_CLIENT((cs = g_clients[i]))) != NULL ) { |
---|
164 | item = &(items[menu.items_len++]); |
---|
165 | item->type = _DIR; |
---|
166 | d = roar_mm_malloc(len); |
---|
167 | if ( d == NULL ) { |
---|
168 | menu.items_len--; |
---|
169 | continue; |
---|
170 | } |
---|
171 | if ( c->name != NULL && c->name[0] != 0 ) { |
---|
172 | snprintf(d, len, "Client %i: %s", (int)i, c->name); |
---|
173 | } else { |
---|
174 | snprintf(d, len, "Client %i", (int)i); |
---|
175 | } |
---|
176 | item->name = d; |
---|
177 | |
---|
178 | d = roar_mm_malloc(len); |
---|
179 | if ( d == NULL ) { |
---|
180 | if ( item->name != NULL ) |
---|
181 | roar_mm_free((void*)item->name); |
---|
182 | menu.items_len--; |
---|
183 | continue; |
---|
184 | } |
---|
185 | |
---|
186 | snprintf(d, len, "/clients/%i/", (int)i); |
---|
187 | item->selector = d; |
---|
188 | } |
---|
189 | } |
---|
190 | |
---|
191 | ret = send_menu(client, &menu, vio); |
---|
192 | |
---|
193 | for (i = 0; i < menu.items_len; i++) { |
---|
194 | if ( items[i].name != NULL ) |
---|
195 | roar_mm_free((void*)items[i].name); |
---|
196 | if ( items[i].selector != NULL ) |
---|
197 | roar_mm_free((void*)items[i].selector); |
---|
198 | } |
---|
199 | |
---|
200 | return ret; |
---|
201 | } |
---|
202 | |
---|
203 | static int scb_streams (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
---|
204 | struct roar_gopher_menu_item items[ROAR_STREAMS_MAX]; |
---|
205 | struct roar_gopher_menu menu = {.flags = 0, .items = items, .items_len = 0}; |
---|
206 | struct roar_gopher_menu_item * item; |
---|
207 | struct roar_stream_server * ss; |
---|
208 | struct roar_stream * s; |
---|
209 | const size_t len = 80; |
---|
210 | char * d; |
---|
211 | size_t i; |
---|
212 | int ret; |
---|
213 | |
---|
214 | memset(items, 0, sizeof(items)); |
---|
215 | |
---|
216 | for (i = 0; i < ROAR_STREAMS_MAX; i++) { |
---|
217 | if ( (s = ROAR_STREAM((ss = g_streams[i]))) != NULL ) { |
---|
218 | item = &(items[menu.items_len++]); |
---|
219 | item->type = _DIR; |
---|
220 | d = roar_mm_malloc(len); |
---|
221 | if ( d == NULL ) { |
---|
222 | menu.items_len--; |
---|
223 | continue; |
---|
224 | } |
---|
225 | if ( ss->name != NULL && ss->name[0] != 0 ) { |
---|
226 | snprintf(d, len, "Stream %i: %s", (int)i, ss->name); |
---|
227 | } else { |
---|
228 | snprintf(d, len, "Stream %i", (int)i); |
---|
229 | } |
---|
230 | item->name = d; |
---|
231 | |
---|
232 | d = roar_mm_malloc(len); |
---|
233 | if ( d == NULL ) { |
---|
234 | if ( item->name != NULL ) |
---|
235 | roar_mm_free((void*)item->name); |
---|
236 | menu.items_len--; |
---|
237 | continue; |
---|
238 | } |
---|
239 | |
---|
240 | snprintf(d, len, "/streams/%i/", (int)i); |
---|
241 | item->selector = d; |
---|
242 | } |
---|
243 | } |
---|
244 | |
---|
245 | ret = send_menu(client, &menu, vio); |
---|
246 | |
---|
247 | for (i = 0; i < menu.items_len; i++) { |
---|
248 | if ( items[i].name != NULL ) |
---|
249 | roar_mm_free((void*)items[i].name); |
---|
250 | if ( items[i].selector != NULL ) |
---|
251 | roar_mm_free((void*)items[i].selector); |
---|
252 | } |
---|
253 | |
---|
254 | return ret; |
---|
255 | } |
---|
256 | |
---|
257 | static int scb_client_info(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
---|
258 | #define _MAX_ITEMS (16 + ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT) |
---|
259 | struct roar_gopher_menu_item items[_MAX_ITEMS]; |
---|
260 | struct roar_gopher_menu menu = {.flags = 0, .items = items, .items_len = 0}; |
---|
261 | struct roar_gopher_menu_item * item; |
---|
262 | struct roar_client_server * cs; |
---|
263 | struct roar_client * c; |
---|
264 | size_t i; |
---|
265 | int ret; |
---|
266 | ssize_t toks; |
---|
267 | char * tok; |
---|
268 | int id; |
---|
269 | char tmp[80]; |
---|
270 | |
---|
271 | memset(items, 0, sizeof(items)); |
---|
272 | |
---|
273 | toks = strseltok(sitem->selector, selector, &tok, 1); |
---|
274 | if ( toks == -1 ) |
---|
275 | return -1; |
---|
276 | |
---|
277 | id = atoi(tok); |
---|
278 | |
---|
279 | if ( clients_get_server(id, &cs) == -1 ) |
---|
280 | return -1; |
---|
281 | |
---|
282 | c = ROAR_CLIENT(cs); |
---|
283 | |
---|
284 | item = &(items[menu.items_len++]); |
---|
285 | item->type = _INFO; |
---|
286 | if ( c->name != NULL && c->name[0] != 0 ) { |
---|
287 | item->name = _aprintf(64, "Client %i: %s", id, c->name); |
---|
288 | } else { |
---|
289 | item->name = _aprintf(64, "Client %i", id); |
---|
290 | } |
---|
291 | |
---|
292 | if ( roar_nnode_get_socktype(&(c->nnode)) != ROAR_SOCKET_TYPE_UNKNOWN ) { |
---|
293 | if ( roar_nnode_to_str(&(c->nnode), tmp, sizeof(tmp)) == 0 ) { |
---|
294 | item = &(items[menu.items_len++]); |
---|
295 | item->type = _INFO; |
---|
296 | item->name = _aprintf(64, "Network node: %s", tmp); |
---|
297 | } |
---|
298 | } |
---|
299 | |
---|
300 | item = &(items[menu.items_len++]); |
---|
301 | item->type = _INFO; |
---|
302 | item->name = _aprintf(64, "Protocol: %s", roar_proto2str(c->proto)); |
---|
303 | |
---|
304 | if ( c->execed != -1 ) { |
---|
305 | item = &(items[menu.items_len++]); |
---|
306 | item->type = _DIR; |
---|
307 | item->name = _aprintf(64, "Exected Stream: %i", c->execed); |
---|
308 | item->selector = _aprintf(64, "/streams/%i/", c->execed); |
---|
309 | } |
---|
310 | |
---|
311 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) { |
---|
312 | if ( c->streams[i] != -1 ) { |
---|
313 | item = &(items[menu.items_len++]); |
---|
314 | item->type = _DIR; |
---|
315 | item->name = _aprintf(64, "Stream: %i", c->streams[i]); |
---|
316 | item->selector = _aprintf(64, "/streams/%i/", c->streams[i]); |
---|
317 | } |
---|
318 | } |
---|
319 | |
---|
320 | ret = send_menu(client, &menu, vio); |
---|
321 | |
---|
322 | for (i = 0; i < menu.items_len; i++) { |
---|
323 | if ( items[i].name != NULL ) |
---|
324 | roar_mm_free((void*)items[i].name); |
---|
325 | if ( items[i].selector != NULL ) |
---|
326 | roar_mm_free((void*)items[i].selector); |
---|
327 | } |
---|
328 | |
---|
329 | #undef _MAX_ITEMS |
---|
330 | return ret; |
---|
331 | } |
---|
332 | |
---|
333 | static int scb_stream_info(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
---|
334 | #define _MAX_ITEMS 12 |
---|
335 | struct roar_gopher_menu_item items[_MAX_ITEMS]; |
---|
336 | struct roar_gopher_menu menu = {.flags = 0, .items = items, .items_len = 0}; |
---|
337 | struct roar_gopher_menu_item * item; |
---|
338 | struct roar_stream_server * ss; |
---|
339 | struct roar_stream * s; |
---|
340 | size_t i; |
---|
341 | int ret; |
---|
342 | ssize_t toks; |
---|
343 | char * tok; |
---|
344 | int id; |
---|
345 | |
---|
346 | memset(items, 0, sizeof(items)); |
---|
347 | |
---|
348 | toks = strseltok(sitem->selector, selector, &tok, 1); |
---|
349 | if ( toks == -1 ) |
---|
350 | return -1; |
---|
351 | |
---|
352 | id = atoi(tok); |
---|
353 | |
---|
354 | if ( streams_get(id, &ss) == -1 ) |
---|
355 | return -1; |
---|
356 | |
---|
357 | s = ROAR_STREAM(ss); |
---|
358 | |
---|
359 | |
---|
360 | item = &(items[menu.items_len++]); |
---|
361 | item->type = _INFO; |
---|
362 | if ( ss->name != NULL && ss->name[0] != 0 ) { |
---|
363 | item->name = _aprintf(64, "Stream %i: %s", id, ss->name); |
---|
364 | } else { |
---|
365 | item->name = _aprintf(64, "Stream %i", id); |
---|
366 | } |
---|
367 | |
---|
368 | item = &(items[menu.items_len++]); |
---|
369 | item->type = _INFO; |
---|
370 | item->name = _aprintf(64, "Stream state: %s", roar_streamstate2str(ss->state)); |
---|
371 | |
---|
372 | item = &(items[menu.items_len++]); |
---|
373 | item->type = _INFO; |
---|
374 | item->name = _aprintf(64, "Stream direction: %s", roar_dir2str(s->dir)); |
---|
375 | |
---|
376 | item = &(items[menu.items_len++]); |
---|
377 | item->type = _INFO; |
---|
378 | item->name = _aprintf(128, "Signal info: rate:%iHz bits:%i channels:%i codec:%s", |
---|
379 | s->info.rate, s->info.bits, s->info.channels, roar_codec2str(s->info.codec)); |
---|
380 | |
---|
381 | if ( ss->codec_orgi != -1 && ss->codec_orgi != s->info.codec ) { |
---|
382 | item = &(items[menu.items_len++]); |
---|
383 | item->type = _INFO; |
---|
384 | item->name = _aprintf(64, "Streamed codec: %s", roar_codec2str(ss->codec_orgi)); |
---|
385 | } |
---|
386 | |
---|
387 | if ( ss->role != -1 ) { |
---|
388 | item = &(items[menu.items_len++]); |
---|
389 | item->type = _INFO; |
---|
390 | item->name = _aprintf(64, "Stream role: %s", roar_role2str(ss->role)); |
---|
391 | } |
---|
392 | |
---|
393 | item = &(items[menu.items_len++]); |
---|
394 | item->type = _DIR; |
---|
395 | item->name = _aprintf(64, "Client: %i", ss->client); |
---|
396 | item->selector = _aprintf(64, "/clients/%i/", ss->client); |
---|
397 | |
---|
398 | ret = send_menu(client, &menu, vio); |
---|
399 | |
---|
400 | for (i = 0; i < menu.items_len; i++) { |
---|
401 | if ( items[i].name != NULL ) |
---|
402 | roar_mm_free((void*)items[i].name); |
---|
403 | if ( items[i].selector != NULL ) |
---|
404 | roar_mm_free((void*)items[i].selector); |
---|
405 | } |
---|
406 | |
---|
407 | #undef _MAX_ITEMS |
---|
408 | return ret; |
---|
409 | } |
---|
410 | |
---|
411 | // other code: |
---|
412 | static int strip_nl (char * str) { |
---|
413 | register char c; |
---|
414 | |
---|
415 | for (; (c = *str) != 0; str++) { |
---|
416 | if ( c == '\r' || c == '\n' ) { |
---|
417 | *str = 0; |
---|
418 | return 1; |
---|
419 | } |
---|
420 | } |
---|
421 | |
---|
422 | return 0; |
---|
423 | } |
---|
424 | |
---|
425 | static int strselcmp(const char *s1, const char *s2) { |
---|
426 | register char a, b; |
---|
427 | |
---|
428 | if ( s1 == s2 ) |
---|
429 | return 0; |
---|
430 | |
---|
431 | if ( s1 == NULL || s2 == NULL ) |
---|
432 | return -1; |
---|
433 | |
---|
434 | for (; ; s1++, s2++) { |
---|
435 | a = *s1; |
---|
436 | b = *s2; |
---|
437 | |
---|
438 | if ( a == '*' ) { |
---|
439 | s1++; |
---|
440 | a = *s1; |
---|
441 | if ( a == 0 ) { |
---|
442 | if ( b == 0 ) { |
---|
443 | return 1; // no match! ('*' does not mach no-chars) |
---|
444 | } else { |
---|
445 | return 0; // match! (string ends with '*' and something not EOS is in b) |
---|
446 | } |
---|
447 | } else { |
---|
448 | for (; *s2 != 0 && *s2 != a; s2++); |
---|
449 | if ( a != *s2 ) |
---|
450 | return 1; // no match! (did not find correct char) |
---|
451 | } |
---|
452 | } else if ( a == 0 || b == 0 ) { |
---|
453 | if ( a == b ) { |
---|
454 | return 0; // match! |
---|
455 | } else { |
---|
456 | return 1; // no match! (dffrent length) |
---|
457 | } |
---|
458 | } else if ( a != b ) { |
---|
459 | return 1; // no match! (diffrent chars) |
---|
460 | } |
---|
461 | } |
---|
462 | |
---|
463 | return -1; |
---|
464 | } |
---|
465 | |
---|
466 | static ssize_t strseltok(const char *s1, char *s2, char ** tok, size_t toks) { |
---|
467 | register char a, b; |
---|
468 | size_t idx = 0; |
---|
469 | |
---|
470 | if ( s1 == NULL || s2 == NULL ) |
---|
471 | return -1; |
---|
472 | |
---|
473 | for (; ; s1++, s2++) { |
---|
474 | a = *s1; |
---|
475 | b = *s2; |
---|
476 | |
---|
477 | if ( a == 0 || b == 0 ) { |
---|
478 | if ( a == b ) { |
---|
479 | return idx; |
---|
480 | } else { |
---|
481 | return -1; |
---|
482 | } |
---|
483 | } else if ( a == '*' ) { |
---|
484 | s1++; |
---|
485 | a = *s1; |
---|
486 | if ( idx == toks ) |
---|
487 | return -1; |
---|
488 | |
---|
489 | tok[idx] = s2; |
---|
490 | idx++; |
---|
491 | |
---|
492 | for (; *s2 != 0 && *s2 != a; s2++); |
---|
493 | |
---|
494 | if ( a == 0 ) |
---|
495 | return idx; |
---|
496 | |
---|
497 | if ( *s1 == 0 ) |
---|
498 | return -1; |
---|
499 | |
---|
500 | *s2 = 0; |
---|
501 | } |
---|
502 | } |
---|
503 | |
---|
504 | return -1; |
---|
505 | } |
---|
506 | |
---|
507 | static char * _aprintf(size_t sizehint, const char * format, ...) { |
---|
508 | va_list ap; |
---|
509 | char * buf; |
---|
510 | int ret; |
---|
511 | |
---|
512 | sizehint += 128; |
---|
513 | |
---|
514 | if ( (buf = roar_mm_malloc(sizehint)) == NULL ) |
---|
515 | return NULL; |
---|
516 | |
---|
517 | va_start(ap, format); |
---|
518 | ret = vsnprintf(buf, sizehint, format, ap); |
---|
519 | va_end(ap); |
---|
520 | |
---|
521 | buf[sizehint-1] = 0; |
---|
522 | |
---|
523 | return buf; |
---|
524 | } |
---|
525 | |
---|
526 | static int send_menu (int client, struct roar_gopher_menu * menu, struct roar_vio_calls * vio) { |
---|
527 | struct roar_buffer * buf; |
---|
528 | struct roar_gopher_menu_item * item; |
---|
529 | const size_t len = 80; |
---|
530 | size_t i; |
---|
531 | void * data; |
---|
532 | char * chardata; |
---|
533 | const char * host; |
---|
534 | unsigned int port; |
---|
535 | struct roar_sockname sockaddr; |
---|
536 | |
---|
537 | if ( roar_vio_ctl(vio, ROAR_VIO_CTL_GET_SOCKNAME, &sockaddr) == -1 ) { |
---|
538 | memset(&sockaddr, 0, sizeof(sockaddr)); |
---|
539 | } |
---|
540 | |
---|
541 | for (i = 0; i < menu->items_len; i++) { |
---|
542 | item = &(menu->items[i]); |
---|
543 | if ( roar_buffer_new_data(&buf, len, &data) == -1 ) { |
---|
544 | if ( sockaddr.addr != NULL ) |
---|
545 | roar_mm_free(sockaddr.addr); |
---|
546 | return -1; |
---|
547 | } |
---|
548 | |
---|
549 | chardata = data; |
---|
550 | |
---|
551 | switch (item->type) { |
---|
552 | case _INFO: |
---|
553 | snprintf(data, len-1, "i%s\tfake\t(NULL)\t0\r\n", item->name); |
---|
554 | break; |
---|
555 | default: |
---|
556 | host = item->host == NULL ? sockaddr.addr : item->host; |
---|
557 | port = item->port == 0 ? sockaddr.port : item->port; |
---|
558 | snprintf(data, len-1, "%c%s\t%s\t%s\t%u\r\n", item->type, item->name, item->selector, host, port); |
---|
559 | break; |
---|
560 | } |
---|
561 | |
---|
562 | chardata[len-1] = 0; |
---|
563 | |
---|
564 | roar_buffer_set_len(buf, strlen(data)); |
---|
565 | |
---|
566 | clients_add_output(client, buf); |
---|
567 | } |
---|
568 | |
---|
569 | if ( sockaddr.addr != NULL ) |
---|
570 | roar_mm_free(sockaddr.addr); |
---|
571 | |
---|
572 | return 0; |
---|
573 | } |
---|
574 | |
---|
575 | static int send_text (int client, const char * text, struct roar_vio_calls * vio) { |
---|
576 | struct roar_buffer * buf; |
---|
577 | void * data; |
---|
578 | size_t len = strlen(text); |
---|
579 | |
---|
580 | if ( roar_buffer_new_data(&buf, len+6, &data) == -1 ) |
---|
581 | return -1; |
---|
582 | |
---|
583 | memcpy(data, text, len); |
---|
584 | //memcpy(data+len, "\r\n.\r\n\0", 6); |
---|
585 | memcpy(data+len, "\0", 1); |
---|
586 | clients_add_output(client, buf); |
---|
587 | |
---|
588 | return 0; |
---|
589 | } |
---|
590 | |
---|
591 | int emul_gopher_check_client(int client, struct roar_vio_calls * vio) { |
---|
592 | struct roar_client_server * cs; |
---|
593 | struct roar_vio_calls rvio; |
---|
594 | struct item * c = NULL; |
---|
595 | char inbuf[1024]; |
---|
596 | ssize_t ret; |
---|
597 | size_t i; |
---|
598 | int funcret = -1; |
---|
599 | size_t len = 0; |
---|
600 | void * data; |
---|
601 | char * text; |
---|
602 | |
---|
603 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
604 | |
---|
605 | if ( clients_get_server(client, &cs) == -1 ) { |
---|
606 | clients_delete(client); |
---|
607 | return -1; |
---|
608 | } |
---|
609 | |
---|
610 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
611 | |
---|
612 | if ( vio == NULL ) { |
---|
613 | vio = &rvio; |
---|
614 | roar_vio_open_fh_socket(vio, clients_get_fh(client)); |
---|
615 | } |
---|
616 | |
---|
617 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
618 | |
---|
619 | if ( cs->inbuf != NULL ) { |
---|
620 | len = sizeof(inbuf)-1; |
---|
621 | if ( roar_buffer_shift_out(&(cs->inbuf), inbuf, &len) == -1 ) { |
---|
622 | clients_delete(client); |
---|
623 | return -1; |
---|
624 | } |
---|
625 | |
---|
626 | if ( cs->inbuf != NULL ) { |
---|
627 | roar_buffer_free(cs->inbuf); |
---|
628 | clients_delete(client); |
---|
629 | return -1; |
---|
630 | } |
---|
631 | |
---|
632 | // test if we have still buffer space left. |
---|
633 | if ( len == (sizeof(inbuf)-1) ) { |
---|
634 | clients_delete(client); |
---|
635 | return -1; |
---|
636 | } |
---|
637 | } |
---|
638 | |
---|
639 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
640 | |
---|
641 | ret = roar_vio_read(vio, inbuf+len, sizeof(inbuf)-len-1); |
---|
642 | if ( ret < 1 ) { |
---|
643 | clients_delete(client); |
---|
644 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = -1", client, vio); |
---|
645 | return -1; |
---|
646 | } |
---|
647 | |
---|
648 | ret += len; |
---|
649 | |
---|
650 | inbuf[ret] = 0; |
---|
651 | |
---|
652 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
653 | |
---|
654 | if ( !strip_nl(inbuf) ) { |
---|
655 | if ( roar_buffer_new_data(&(cs->inbuf), ret, &data) == -1 ) { |
---|
656 | clients_delete(client); |
---|
657 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = -1", client, vio); |
---|
658 | return -1; |
---|
659 | } |
---|
660 | |
---|
661 | memcpy(data, inbuf, ret); |
---|
662 | |
---|
663 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = 0", client, vio); |
---|
664 | |
---|
665 | return 0; |
---|
666 | } |
---|
667 | |
---|
668 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
669 | |
---|
670 | for (i = 0; i < sizeof(g_gopher_items)/sizeof(*g_gopher_items); i++) { |
---|
671 | // if ( !strselcmp(g_gopher_items[i].selector, inbuf) ) { |
---|
672 | if ( !strselcmp(g_gopher_items[i].selector, inbuf) ) { |
---|
673 | c = &(g_gopher_items[i]); |
---|
674 | break; |
---|
675 | } |
---|
676 | } |
---|
677 | |
---|
678 | if ( c == NULL ) { |
---|
679 | clients_delete(client); |
---|
680 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = -1", client, vio); |
---|
681 | return -1; |
---|
682 | } |
---|
683 | |
---|
684 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
685 | |
---|
686 | if ( c->cb != NULL ) { |
---|
687 | text = NULL; |
---|
688 | funcret = c->cb(client, vio, inbuf, &text, c); |
---|
689 | |
---|
690 | if ( funcret == 0 && text != NULL ) |
---|
691 | funcret = send_text(client, text, vio); |
---|
692 | |
---|
693 | if ( text != NULL ) |
---|
694 | roar_mm_free(text); |
---|
695 | } else { |
---|
696 | switch (c->type) { |
---|
697 | case _DIR: |
---|
698 | funcret = send_menu(client, &(c->menu), vio); |
---|
699 | break; |
---|
700 | case _FILE: |
---|
701 | funcret = send_text(client, c->text, vio); |
---|
702 | break; |
---|
703 | default: |
---|
704 | funcret = -1; |
---|
705 | break; |
---|
706 | } |
---|
707 | } |
---|
708 | |
---|
709 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
710 | |
---|
711 | if ( funcret == -1 ) { |
---|
712 | clients_delete(client); |
---|
713 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = -1", client, vio); |
---|
714 | return -1; |
---|
715 | } |
---|
716 | |
---|
717 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = 0", client, vio); |
---|
718 | |
---|
719 | return 0; |
---|
720 | } |
---|
721 | |
---|
722 | int emul_gopher_flushed_client(int client, struct roar_vio_calls * vio) { |
---|
723 | ROAR_DBG("emul_gopher_flushed_client(client=%i, vio=%p) = ?", client, vio); |
---|
724 | |
---|
725 | return clients_delete(client); |
---|
726 | } |
---|
727 | |
---|
728 | #endif |
---|
729 | |
---|
730 | //ll |
---|