Line data Source code
1 : /* gpgme-json.c - JSON based interface to gpgme (server)
2 : * Copyright (C) 2018 g10 Code GmbH
3 : *
4 : * This file is part of GPGME.
5 : *
6 : * GPGME is free software; you can redistribute it and/or modify it
7 : * under the terms of the GNU Lesser General Public License as
8 : * published by the Free Software Foundation; either version 2.1 of
9 : * the License, or (at your option) any later version.
10 : *
11 : * GPGME is distributed in the hope that it will be useful, but
12 : * WITHOUT ANY WARRANTY; without even the implied warranty of
13 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 : * Lesser General Public License for more details.
15 : *
16 : * You should have received a copy of the GNU Lesser General Public
17 : * License along with this program; if not, see <https://www.gnu.org/licenses/>.
18 : * SPDX-License-Identifier: LGPL-2.1+
19 : */
20 :
21 : /* This is tool implements the Native Messaging protocol of web
22 : * browsers and provides the server part of it. A Javascript based
23 : * client can be found in lang/javascript.
24 : */
25 :
26 : #include <config.h>
27 : #include <stdio.h>
28 : #include <stdlib.h>
29 : #include <string.h>
30 : #include <stdarg.h>
31 : #ifdef HAVE_LOCALE_H
32 : #include <locale.h>
33 : #endif
34 : #include <stdint.h>
35 : #include <sys/stat.h>
36 :
37 : #define GPGRT_ENABLE_ES_MACROS 1
38 : #define GPGRT_ENABLE_LOG_MACROS 1
39 : #define GPGRT_ENABLE_ARGPARSE_MACROS 1
40 : #include "gpgme.h"
41 : #include "cJSON.h"
42 :
43 :
44 : #if GPGRT_VERSION_NUMBER < 0x011c00 /* 1.28 */
45 : int main (void){fputs ("Build with Libgpg-error >= 1.28!\n", stderr);return 1;}
46 : #else /* libgpg-error >= 1.28 */
47 :
48 : /* We don't allow a request with more than 64 MiB. */
49 : #define MAX_REQUEST_SIZE (64 * 1024 * 1024)
50 :
51 : /* Minimal chunk size for returned data.*/
52 : #define MIN_REPLY_CHUNK_SIZE 30
53 :
54 : /* If no chunksize is provided we print everything. Changing
55 : * this to a positive value will result in all messages being
56 : * chunked. */
57 : #define DEF_REPLY_CHUNK_SIZE 0
58 : #define MAX_REPLY_CHUNK_SIZE (10 * 1024 * 1024)
59 :
60 :
61 : static void xoutofcore (const char *type) GPGRT_ATTR_NORETURN;
62 : static cjson_t error_object_v (cjson_t json, const char *message,
63 : va_list arg_ptr, gpg_error_t err)
64 : GPGRT_ATTR_PRINTF(2,0);
65 : static cjson_t error_object (cjson_t json, const char *message,
66 : ...) GPGRT_ATTR_PRINTF(2,3);
67 : static char *error_object_string (const char *message,
68 : ...) GPGRT_ATTR_PRINTF(1,2);
69 : static char *process_request (const char *request);
70 :
71 :
72 : /* True if interactive mode is active. */
73 : static int opt_interactive;
74 : /* True is debug mode is active. */
75 : static int opt_debug;
76 :
77 : /* Pending data to be returned by a getmore command. */
78 : static struct
79 : {
80 : char *buffer; /* Malloced data or NULL if not used. */
81 : size_t length; /* Length of that data. */
82 : size_t written; /* # of already written bytes from BUFFER. */
83 : } pending_data;
84 :
85 :
86 : /*
87 : * Helper functions and macros
88 : */
89 :
90 : #define xtrystrdup(a) gpgrt_strdup ((a))
91 : #define xcalloc(a,b) ({ \
92 : void *_r = gpgrt_calloc ((a), (b)); \
93 : if (!_r) \
94 : xoutofcore ("calloc"); \
95 : _r; })
96 : #define xstrdup(a) ({ \
97 : char *_r = gpgrt_strdup ((a)); \
98 : if (!_r) \
99 : xoutofcore ("strdup"); \
100 : _r; })
101 : #define xstrconcat(a, ...) ({ \
102 : char *_r = gpgrt_strconcat ((a), __VA_ARGS__); \
103 : if (!_r) \
104 : xoutofcore ("strconcat"); \
105 : _r; })
106 : #define xfree(a) gpgrt_free ((a))
107 :
108 : /* Only use calloc. */
109 : #define CALLOC_ONLY 1
110 :
111 : #if CALLOC_ONLY
112 : #define xtrymalloc(a) gpgrt_calloc (1, (a))
113 : #define xmalloc(a) xcalloc(1, (a))
114 : #else
115 : #define xtrymalloc(a) gpgrt_malloc ((a))
116 : #define xmalloc(a) ({ \
117 : void *_r = gpgrt_malloc ((a)); \
118 : if (!_r) \
119 : xoutofcore ("malloc"); \
120 : _r; })
121 : #endif
122 :
123 : #define spacep(p) (*(p) == ' ' || *(p) == '\t')
124 :
125 : #ifndef HAVE_STPCPY
126 : static GPGRT_INLINE char *
127 : _my_stpcpy (char *a, const char *b)
128 : {
129 : while (*b)
130 : *a++ = *b++;
131 : *a = 0;
132 : return a;
133 : }
134 : #define stpcpy(a,b) _my_stpcpy ((a), (b))
135 : #endif /*!HAVE_STPCPY*/
136 :
137 :
138 : /* Free a NULL terminated array */
139 : static void
140 0 : xfree_array (char **array)
141 : {
142 0 : if (array)
143 : {
144 : int idx;
145 0 : for (idx = 0; array[idx]; idx++)
146 0 : xfree (array[idx]);
147 0 : xfree (array);
148 : }
149 0 : }
150 :
151 :
152 : static void
153 0 : xoutofcore (const char *type)
154 : {
155 0 : gpg_error_t err = gpg_error_from_syserror ();
156 0 : log_error ("%s failed: %s\n", type, gpg_strerror (err));
157 0 : exit (2);
158 : }
159 :
160 :
161 : /* Call cJSON_CreateObject but terminate in case of an error. */
162 : static cjson_t
163 0 : xjson_CreateObject (void)
164 : {
165 0 : cjson_t json = cJSON_CreateObject ();
166 0 : if (!json)
167 0 : xoutofcore ("cJSON_CreateObject");
168 0 : return json;
169 : }
170 :
171 : /* Call cJSON_CreateArray but terminate in case of an error. */
172 : static cjson_t
173 0 : xjson_CreateArray (void)
174 : {
175 0 : cjson_t json = cJSON_CreateArray ();
176 0 : if (!json)
177 0 : xoutofcore ("cJSON_CreateArray");
178 0 : return json;
179 : }
180 :
181 :
182 : /* Wrapper around cJSON_AddStringToObject which returns an gpg-error
183 : * code instead of the NULL or the new object. */
184 : static gpg_error_t
185 0 : cjson_AddStringToObject (cjson_t object, const char *name, const char *string)
186 : {
187 0 : if (!cJSON_AddStringToObject (object, name, string))
188 0 : return gpg_error_from_syserror ();
189 0 : return 0;
190 : }
191 :
192 :
193 : /* Same as cjson_AddStringToObject but prints an error message and
194 : * terminates the process. */
195 : static void
196 0 : xjson_AddStringToObject (cjson_t object, const char *name, const char *string)
197 : {
198 0 : if (!cJSON_AddStringToObject (object, name, string))
199 0 : xoutofcore ("cJSON_AddStringToObject");
200 0 : }
201 :
202 :
203 : /* Same as xjson_AddStringToObject but ignores NULL strings */
204 : static void
205 0 : xjson_AddStringToObject0 (cjson_t object, const char *name, const char *string)
206 : {
207 0 : if (!string)
208 0 : return;
209 0 : xjson_AddStringToObject (object, name, string);
210 : }
211 :
212 : /* Wrapper around cJSON_AddBoolToObject which terminates the process
213 : * in case of an error. */
214 : static void
215 0 : xjson_AddBoolToObject (cjson_t object, const char *name, int abool)
216 : {
217 0 : if (!cJSON_AddBoolToObject (object, name, abool))
218 0 : xoutofcore ("cJSON_AddStringToObject");
219 0 : return ;
220 : }
221 :
222 : /* Wrapper around cJSON_AddNumberToObject which terminates the process
223 : * in case of an error. */
224 : static void
225 0 : xjson_AddNumberToObject (cjson_t object, const char *name, double dbl)
226 : {
227 0 : if (!cJSON_AddNumberToObject (object, name, dbl))
228 0 : xoutofcore ("cJSON_AddNumberToObject");
229 0 : return ;
230 : }
231 :
232 : /* Wrapper around cJSON_AddItemToObject which terminates the process
233 : * in case of an error. */
234 : static void
235 0 : xjson_AddItemToObject (cjson_t object, const char *name, cjson_t item)
236 : {
237 0 : if (!cJSON_AddItemToObject (object, name, item))
238 0 : xoutofcore ("cJSON_AddItemToObject");
239 0 : return ;
240 : }
241 :
242 : /* This is similar to cJSON_AddStringToObject but takes (DATA,
243 : * DATALEN) and adds it under NAME as a base 64 encoded string to
244 : * OBJECT. */
245 : static gpg_error_t
246 0 : add_base64_to_object (cjson_t object, const char *name,
247 : const void *data, size_t datalen)
248 : {
249 : #if GPGRT_VERSION_NUMBER < 0x011d00 /* 1.29 */
250 : return gpg_error (GPG_ERR_NOT_SUPPORTED);
251 : #else
252 : gpg_err_code_t err;
253 0 : estream_t fp = NULL;
254 0 : gpgrt_b64state_t state = NULL;
255 0 : cjson_t j_str = NULL;
256 0 : void *buffer = NULL;
257 :
258 0 : fp = es_fopenmem (0, "rwb");
259 0 : if (!fp)
260 : {
261 0 : err = gpg_err_code_from_syserror ();
262 0 : goto leave;
263 : }
264 0 : state = gpgrt_b64enc_start (fp, "");
265 0 : if (!state)
266 : {
267 0 : err = gpg_err_code_from_syserror ();
268 0 : goto leave;
269 : }
270 :
271 0 : err = gpgrt_b64enc_write (state, data, datalen);
272 0 : if (err)
273 0 : goto leave;
274 :
275 0 : err = gpgrt_b64enc_finish (state);
276 0 : state = NULL;
277 0 : if (err)
278 0 : return err;
279 :
280 0 : es_fputc (0, fp);
281 0 : if (es_fclose_snatch (fp, &buffer, NULL))
282 : {
283 0 : fp = NULL;
284 0 : err = gpg_error_from_syserror ();
285 0 : goto leave;
286 : }
287 0 : fp = NULL;
288 :
289 0 : j_str = cJSON_CreateStringConvey (buffer);
290 0 : if (!j_str)
291 : {
292 0 : err = gpg_error_from_syserror ();
293 0 : goto leave;
294 : }
295 0 : buffer = NULL;
296 :
297 0 : if (!cJSON_AddItemToObject (object, name, j_str))
298 : {
299 0 : err = gpg_error_from_syserror ();
300 0 : cJSON_Delete (j_str);
301 0 : j_str = NULL;
302 0 : goto leave;
303 : }
304 0 : j_str = NULL;
305 :
306 : leave:
307 0 : xfree (buffer);
308 0 : cJSON_Delete (j_str);
309 0 : gpgrt_b64enc_finish (state);
310 0 : es_fclose (fp);
311 0 : return err;
312 : #endif
313 : }
314 :
315 :
316 : /* Create a JSON error object. If JSON is not NULL the error message
317 : * is appended to that object. An existing "type" item will be replaced. */
318 : static cjson_t
319 0 : error_object_v (cjson_t json, const char *message, va_list arg_ptr,
320 : gpg_error_t err)
321 : {
322 : cjson_t response, j_tmp;
323 : char *msg;
324 :
325 0 : msg = gpgrt_vbsprintf (message, arg_ptr);
326 0 : if (!msg)
327 0 : xoutofcore ("error_object");
328 :
329 0 : response = json? json : xjson_CreateObject ();
330 :
331 0 : if (!(j_tmp = cJSON_GetObjectItem (response, "type")))
332 0 : xjson_AddStringToObject (response, "type", "error");
333 : else /* Replace existing "type". */
334 : {
335 0 : j_tmp = cJSON_CreateString ("error");
336 0 : if (!j_tmp)
337 0 : xoutofcore ("cJSON_CreateString");
338 0 : cJSON_ReplaceItemInObject (response, "type", j_tmp);
339 : }
340 0 : xjson_AddStringToObject (response, "msg", msg);
341 0 : xfree (msg);
342 :
343 0 : xjson_AddNumberToObject (response, "code", err);
344 :
345 0 : return response;
346 : }
347 :
348 :
349 : /* Call cJSON_Print but terminate in case of an error. */
350 : static char *
351 0 : xjson_Print (cjson_t object)
352 : {
353 : char *buf;
354 0 : buf = cJSON_Print (object);
355 0 : if (!buf)
356 0 : xoutofcore ("cJSON_Print");
357 0 : return buf;
358 : }
359 :
360 :
361 : static cjson_t
362 0 : error_object (cjson_t json, const char *message, ...)
363 : {
364 : cjson_t response;
365 : va_list arg_ptr;
366 :
367 0 : va_start (arg_ptr, message);
368 0 : response = error_object_v (json, message, arg_ptr, 0);
369 0 : va_end (arg_ptr);
370 0 : return response;
371 : }
372 :
373 :
374 : static cjson_t
375 0 : gpg_error_object (cjson_t json, gpg_error_t err, const char *message, ...)
376 : {
377 : cjson_t response;
378 : va_list arg_ptr;
379 :
380 0 : va_start (arg_ptr, message);
381 0 : response = error_object_v (json, message, arg_ptr, err);
382 0 : va_end (arg_ptr);
383 0 : return response;
384 : }
385 :
386 :
387 : static char *
388 0 : error_object_string (const char *message, ...)
389 : {
390 : cjson_t response;
391 : va_list arg_ptr;
392 : char *msg;
393 :
394 0 : va_start (arg_ptr, message);
395 0 : response = error_object_v (NULL, message, arg_ptr, 0);
396 0 : va_end (arg_ptr);
397 :
398 0 : msg = xjson_Print (response);
399 0 : cJSON_Delete (response);
400 0 : return msg;
401 : }
402 :
403 :
404 : /* Get the boolean property NAME from the JSON object and store true
405 : * or valse at R_VALUE. If the name is unknown the value of DEF_VALUE
406 : * is returned. If the type of the value is not boolean,
407 : * GPG_ERR_INV_VALUE is returned and R_VALUE set to DEF_VALUE. */
408 : static gpg_error_t
409 0 : get_boolean_flag (cjson_t json, const char *name, int def_value, int *r_value)
410 : {
411 : cjson_t j_item;
412 :
413 0 : j_item = cJSON_GetObjectItem (json, name);
414 0 : if (!j_item)
415 0 : *r_value = def_value;
416 0 : else if (cjson_is_true (j_item))
417 0 : *r_value = 1;
418 0 : else if (cjson_is_false (j_item))
419 0 : *r_value = 0;
420 : else
421 : {
422 0 : *r_value = def_value;
423 0 : return gpg_error (GPG_ERR_INV_VALUE);
424 : }
425 :
426 0 : return 0;
427 : }
428 :
429 :
430 : /* Get the boolean property PROTOCOL from the JSON object and store
431 : * its value at R_PROTOCOL. The default is OpenPGP. */
432 : static gpg_error_t
433 0 : get_protocol (cjson_t json, gpgme_protocol_t *r_protocol)
434 : {
435 : cjson_t j_item;
436 :
437 0 : *r_protocol = GPGME_PROTOCOL_OpenPGP;
438 0 : j_item = cJSON_GetObjectItem (json, "protocol");
439 0 : if (!j_item)
440 : ;
441 0 : else if (!cjson_is_string (j_item))
442 0 : return gpg_error (GPG_ERR_INV_VALUE);
443 0 : else if (!strcmp(j_item->valuestring, "openpgp"))
444 : ;
445 0 : else if (!strcmp(j_item->valuestring, "cms"))
446 0 : *r_protocol = GPGME_PROTOCOL_CMS;
447 : else
448 0 : return gpg_error (GPG_ERR_UNSUPPORTED_PROTOCOL);
449 :
450 0 : return 0;
451 : }
452 :
453 :
454 : /* Get the chunksize from JSON and store it at R_CHUNKSIZE. */
455 : static gpg_error_t
456 0 : get_chunksize (cjson_t json, size_t *r_chunksize)
457 : {
458 : cjson_t j_item;
459 :
460 0 : *r_chunksize = DEF_REPLY_CHUNK_SIZE;
461 0 : j_item = cJSON_GetObjectItem (json, "chunksize");
462 0 : if (!j_item)
463 : ;
464 0 : else if (!cjson_is_number (j_item))
465 0 : return gpg_error (GPG_ERR_INV_VALUE);
466 0 : else if ((size_t)j_item->valueint < MIN_REPLY_CHUNK_SIZE)
467 0 : *r_chunksize = MIN_REPLY_CHUNK_SIZE;
468 0 : else if ((size_t)j_item->valueint > MAX_REPLY_CHUNK_SIZE)
469 0 : *r_chunksize = MAX_REPLY_CHUNK_SIZE;
470 : else
471 0 : *r_chunksize = (size_t)j_item->valueint;
472 :
473 0 : return 0;
474 : }
475 :
476 :
477 : /* Extract the keys from the array or string with the name "name"
478 : * in the JSON object. On success a string with the keys identifiers
479 : * is stored at R_KEYS.
480 : * The keys in that string are LF delimited. On failure an error code
481 : * is returned. */
482 : static gpg_error_t
483 0 : get_keys (cjson_t json, const char *name, char **r_keystring)
484 : {
485 : cjson_t j_keys, j_item;
486 : int i, nkeys;
487 : char *p;
488 : size_t length;
489 :
490 0 : *r_keystring = NULL;
491 :
492 0 : j_keys = cJSON_GetObjectItem (json, name);
493 0 : if (!j_keys)
494 0 : return gpg_error (GPG_ERR_NO_KEY);
495 0 : if (!cjson_is_array (j_keys) && !cjson_is_string (j_keys))
496 0 : return gpg_error (GPG_ERR_INV_VALUE);
497 :
498 : /* Fixme: We should better use a membuf like thing. */
499 0 : length = 1; /* For the EOS. */
500 0 : if (cjson_is_string (j_keys))
501 : {
502 0 : nkeys = 1;
503 0 : length += strlen (j_keys->valuestring);
504 0 : if (strchr (j_keys->valuestring, '\n'))
505 0 : return gpg_error (GPG_ERR_INV_USER_ID);
506 : }
507 : else
508 : {
509 0 : nkeys = cJSON_GetArraySize (j_keys);
510 0 : if (!nkeys)
511 0 : return gpg_error (GPG_ERR_NO_KEY);
512 0 : for (i=0; i < nkeys; i++)
513 : {
514 0 : j_item = cJSON_GetArrayItem (j_keys, i);
515 0 : if (!j_item || !cjson_is_string (j_item))
516 0 : return gpg_error (GPG_ERR_INV_VALUE);
517 0 : if (i)
518 0 : length++; /* Space for delimiter. */
519 0 : length += strlen (j_item->valuestring);
520 0 : if (strchr (j_item->valuestring, '\n'))
521 0 : return gpg_error (GPG_ERR_INV_USER_ID);
522 : }
523 : }
524 :
525 0 : p = *r_keystring = xtrymalloc (length);
526 0 : if (!p)
527 0 : return gpg_error_from_syserror ();
528 :
529 0 : if (cjson_is_string (j_keys))
530 : {
531 0 : strcpy (p, j_keys->valuestring);
532 : }
533 : else
534 : {
535 0 : for (i=0; i < nkeys; i++)
536 : {
537 0 : j_item = cJSON_GetArrayItem (j_keys, i);
538 0 : if (i)
539 0 : *p++ = '\n'; /* Add delimiter. */
540 0 : p = stpcpy (p, j_item->valuestring);
541 : }
542 : }
543 0 : return 0;
544 : }
545 :
546 :
547 :
548 :
549 : /*
550 : * GPGME support functions.
551 : */
552 :
553 : /* Helper for get_context. */
554 : static gpgme_ctx_t
555 0 : _create_new_context (gpgme_protocol_t proto)
556 : {
557 : gpg_error_t err;
558 : gpgme_ctx_t ctx;
559 :
560 0 : err = gpgme_new (&ctx);
561 0 : if (err)
562 0 : log_fatal ("error creating GPGME context: %s\n", gpg_strerror (err));
563 0 : gpgme_set_protocol (ctx, proto);
564 0 : gpgme_set_ctx_flag (ctx, "request-origin", "browser");
565 0 : return ctx;
566 : }
567 :
568 :
569 : /* Return a context object for protocol PROTO. This is currently a
570 : * statically allocated context initialized for PROTO. Terminates
571 : * process on failure. */
572 : static gpgme_ctx_t
573 0 : get_context (gpgme_protocol_t proto)
574 : {
575 : static gpgme_ctx_t ctx_openpgp, ctx_cms, ctx_conf;
576 :
577 0 : if (proto == GPGME_PROTOCOL_OpenPGP)
578 : {
579 0 : if (!ctx_openpgp)
580 0 : ctx_openpgp = _create_new_context (proto);
581 0 : return ctx_openpgp;
582 : }
583 0 : else if (proto == GPGME_PROTOCOL_CMS)
584 : {
585 0 : if (!ctx_cms)
586 0 : ctx_cms = _create_new_context (proto);
587 0 : return ctx_cms;
588 : }
589 0 : else if (proto == GPGME_PROTOCOL_GPGCONF)
590 : {
591 0 : if (!ctx_conf)
592 0 : ctx_conf = _create_new_context (proto);
593 0 : return ctx_conf;
594 : }
595 : else
596 0 : log_bug ("invalid protocol %d requested\n", proto);
597 : }
598 :
599 :
600 : /* Free context object retrieved by get_context. */
601 : static void
602 0 : release_context (gpgme_ctx_t ctx)
603 : {
604 : /* Nothing to do right now. */
605 : (void)ctx;
606 0 : }
607 :
608 :
609 : /* Create an addition context for short operations. */
610 : static gpgme_ctx_t
611 0 : create_onetime_context (gpgme_protocol_t proto)
612 : {
613 0 : return _create_new_context (proto);
614 :
615 : }
616 :
617 :
618 : /* Release a one-time context. */
619 : static void
620 0 : release_onetime_context (gpgme_ctx_t ctx)
621 : {
622 0 : return gpgme_release (ctx);
623 :
624 : }
625 :
626 :
627 : /* Given a Base-64 encoded string object in JSON return a gpgme data
628 : * object at R_DATA. */
629 : static gpg_error_t
630 0 : data_from_base64_string (gpgme_data_t *r_data, cjson_t json)
631 : {
632 : #if GPGRT_VERSION_NUMBER < 0x011d00 /* 1.29 */
633 : *r_data = NULL;
634 : return gpg_error (GPG_ERR_NOT_SUPPORTED);
635 : #else
636 : gpg_error_t err;
637 : size_t len;
638 0 : char *buf = NULL;
639 0 : gpgrt_b64state_t state = NULL;
640 0 : gpgme_data_t data = NULL;
641 :
642 0 : *r_data = NULL;
643 :
644 : /* A quick check on the JSON. */
645 0 : if (!cjson_is_string (json))
646 : {
647 0 : err = gpg_error (GPG_ERR_INV_VALUE);
648 0 : goto leave;
649 : }
650 :
651 0 : state = gpgrt_b64dec_start (NULL);
652 0 : if (!state)
653 : {
654 0 : err = gpg_err_code_from_syserror ();
655 0 : goto leave;
656 : }
657 :
658 : /* Fixme: Data duplication - we should see how to snatch the memory
659 : * from the json object. */
660 0 : len = strlen (json->valuestring);
661 0 : buf = xtrystrdup (json->valuestring);
662 0 : if (!buf)
663 : {
664 0 : err = gpg_error_from_syserror ();
665 0 : goto leave;
666 : }
667 :
668 0 : err = gpgrt_b64dec_proc (state, buf, len, &len);
669 0 : if (err)
670 0 : goto leave;
671 :
672 0 : err = gpgrt_b64dec_finish (state);
673 0 : state = NULL;
674 0 : if (err)
675 0 : goto leave;
676 :
677 0 : err = gpgme_data_new_from_mem (&data, buf, len, 1);
678 0 : if (err)
679 0 : goto leave;
680 0 : *r_data = data;
681 0 : data = NULL;
682 :
683 : leave:
684 0 : xfree (data);
685 0 : xfree (buf);
686 0 : gpgrt_b64dec_finish (state);
687 0 : return err;
688 : #endif
689 : }
690 :
691 :
692 : /* Create a keylist pattern array from a json keys object
693 : * in the request. Returns either a malloced NULL terminated
694 : * string array which can be used as patterns for
695 : * op_keylist_ext or NULL. */
696 : static char **
697 0 : create_keylist_patterns (cjson_t request, const char *name)
698 : {
699 : char *keystring;
700 : char *p;
701 : char *tmp;
702 : char **ret;
703 0 : int cnt = 2; /* Last NULL and one is not newline delimited */
704 0 : int i = 0;
705 :
706 0 : if (get_keys (request, name, &keystring))
707 0 : return NULL;
708 :
709 0 : for (p = keystring; *p; p++)
710 0 : if (*p == '\n')
711 0 : cnt++;
712 :
713 0 : ret = xcalloc (cnt, sizeof *ret);
714 :
715 0 : for (p = keystring, tmp = keystring; *p; p++)
716 : {
717 0 : if (*p != '\n')
718 0 : continue;
719 0 : *p = '\0';
720 0 : ret[i++] = xstrdup (tmp);
721 0 : tmp = p + 1;
722 : }
723 : /* The last key is not newline delimited. */
724 0 : ret[i] = *tmp ? xstrdup (tmp) : NULL;
725 :
726 0 : xfree (keystring);
727 0 : return ret;
728 : }
729 :
730 :
731 : /* Do a secret keylisting for protocol proto and add the fingerprints of
732 : the secret keys for patterns to the result as "sec-fprs" array. */
733 : static gpg_error_t
734 0 : add_secret_fprs (const char **patterns, gpgme_protocol_t protocol,
735 : cjson_t result)
736 : {
737 : gpgme_ctx_t ctx;
738 : gpg_error_t err;
739 0 : gpgme_key_t key = NULL;
740 0 : cjson_t j_fprs = xjson_CreateArray ();
741 :
742 0 : ctx = create_onetime_context (protocol);
743 :
744 0 : gpgme_set_keylist_mode (ctx, GPGME_KEYLIST_MODE_LOCAL |
745 : GPGME_KEYLIST_MODE_WITH_SECRET);
746 :
747 0 : err = gpgme_op_keylist_ext_start (ctx, patterns, 1, 0);
748 :
749 0 : if (err)
750 : {
751 0 : gpg_error_object (result, err, "Error listing keys: %s",
752 : gpg_strerror (err));
753 0 : goto leave;
754 : }
755 :
756 0 : while (!(err = gpgme_op_keylist_next (ctx, &key)))
757 : {
758 0 : if (!key || !key->fpr)
759 0 : continue;
760 0 : cJSON_AddItemToArray (j_fprs, cJSON_CreateString (key->fpr));
761 0 : gpgme_key_unref (key);
762 0 : key = NULL;
763 : }
764 0 : err = 0;
765 :
766 0 : release_onetime_context (ctx);
767 0 : ctx = NULL;
768 :
769 0 : xjson_AddItemToObject (result, "sec-fprs", j_fprs);
770 :
771 : leave:
772 0 : release_onetime_context (ctx);
773 0 : gpgme_key_unref (key);
774 :
775 0 : return err;
776 : }
777 :
778 :
779 : /* Create sigsum json array */
780 : static cjson_t
781 0 : sigsum_to_json (gpgme_sigsum_t summary)
782 : {
783 0 : cjson_t result = xjson_CreateObject ();
784 0 : cjson_t sigsum_array = xjson_CreateArray ();
785 :
786 0 : if ( (summary & GPGME_SIGSUM_VALID ))
787 0 : cJSON_AddItemToArray (sigsum_array,
788 : cJSON_CreateString ("valid"));
789 0 : if ( (summary & GPGME_SIGSUM_GREEN ))
790 0 : cJSON_AddItemToArray (sigsum_array,
791 : cJSON_CreateString ("green"));
792 0 : if ( (summary & GPGME_SIGSUM_RED ))
793 0 : cJSON_AddItemToArray (sigsum_array,
794 : cJSON_CreateString ("red"));
795 0 : if ( (summary & GPGME_SIGSUM_KEY_REVOKED))
796 0 : cJSON_AddItemToArray (sigsum_array,
797 : cJSON_CreateString ("revoked"));
798 0 : if ( (summary & GPGME_SIGSUM_KEY_EXPIRED))
799 0 : cJSON_AddItemToArray (sigsum_array,
800 : cJSON_CreateString ("key-expired"));
801 0 : if ( (summary & GPGME_SIGSUM_SIG_EXPIRED))
802 0 : cJSON_AddItemToArray (sigsum_array,
803 : cJSON_CreateString ("sig-expired"));
804 0 : if ( (summary & GPGME_SIGSUM_KEY_MISSING))
805 0 : cJSON_AddItemToArray (sigsum_array,
806 : cJSON_CreateString ("key-missing"));
807 0 : if ( (summary & GPGME_SIGSUM_CRL_MISSING))
808 0 : cJSON_AddItemToArray (sigsum_array,
809 : cJSON_CreateString ("crl-missing"));
810 0 : if ( (summary & GPGME_SIGSUM_CRL_TOO_OLD))
811 0 : cJSON_AddItemToArray (sigsum_array,
812 : cJSON_CreateString ("crl-too-old"));
813 0 : if ( (summary & GPGME_SIGSUM_BAD_POLICY ))
814 0 : cJSON_AddItemToArray (sigsum_array,
815 : cJSON_CreateString ("bad-policy"));
816 0 : if ( (summary & GPGME_SIGSUM_SYS_ERROR ))
817 0 : cJSON_AddItemToArray (sigsum_array,
818 : cJSON_CreateString ("sys-error"));
819 : /* The signature summary as string array. */
820 0 : xjson_AddItemToObject (result, "sigsum", sigsum_array);
821 :
822 : /* Bools for the same. */
823 0 : xjson_AddBoolToObject (result, "valid",
824 0 : (summary & GPGME_SIGSUM_VALID ));
825 0 : xjson_AddBoolToObject (result, "green",
826 0 : (summary & GPGME_SIGSUM_GREEN ));
827 0 : xjson_AddBoolToObject (result, "red",
828 0 : (summary & GPGME_SIGSUM_RED ));
829 0 : xjson_AddBoolToObject (result, "revoked",
830 0 : (summary & GPGME_SIGSUM_KEY_REVOKED));
831 0 : xjson_AddBoolToObject (result, "key-expired",
832 0 : (summary & GPGME_SIGSUM_KEY_EXPIRED));
833 0 : xjson_AddBoolToObject (result, "sig-expired",
834 0 : (summary & GPGME_SIGSUM_SIG_EXPIRED));
835 0 : xjson_AddBoolToObject (result, "key-missing",
836 0 : (summary & GPGME_SIGSUM_KEY_MISSING));
837 0 : xjson_AddBoolToObject (result, "crl-missing",
838 0 : (summary & GPGME_SIGSUM_CRL_MISSING));
839 0 : xjson_AddBoolToObject (result, "crl-too-old",
840 0 : (summary & GPGME_SIGSUM_CRL_TOO_OLD));
841 0 : xjson_AddBoolToObject (result, "bad-policy",
842 0 : (summary & GPGME_SIGSUM_BAD_POLICY ));
843 0 : xjson_AddBoolToObject (result, "sys-error",
844 0 : (summary & GPGME_SIGSUM_SYS_ERROR ));
845 :
846 0 : return result;
847 : }
848 :
849 :
850 : /* Helper for summary formatting */
851 : static const char *
852 0 : validity_to_string (gpgme_validity_t val)
853 : {
854 0 : switch (val)
855 : {
856 0 : case GPGME_VALIDITY_UNDEFINED:return "undefined";
857 0 : case GPGME_VALIDITY_NEVER: return "never";
858 0 : case GPGME_VALIDITY_MARGINAL: return "marginal";
859 0 : case GPGME_VALIDITY_FULL: return "full";
860 0 : case GPGME_VALIDITY_ULTIMATE: return "ultimate";
861 : case GPGME_VALIDITY_UNKNOWN:
862 0 : default: return "unknown";
863 : }
864 : }
865 :
866 : static const char *
867 0 : protocol_to_string (gpgme_protocol_t proto)
868 : {
869 0 : switch (proto)
870 : {
871 0 : case GPGME_PROTOCOL_OpenPGP: return "OpenPGP";
872 0 : case GPGME_PROTOCOL_CMS: return "CMS";
873 0 : case GPGME_PROTOCOL_GPGCONF: return "gpgconf";
874 0 : case GPGME_PROTOCOL_ASSUAN: return "assuan";
875 0 : case GPGME_PROTOCOL_G13: return "g13";
876 0 : case GPGME_PROTOCOL_UISERVER:return "uiserver";
877 0 : case GPGME_PROTOCOL_SPAWN: return "spawn";
878 : default:
879 0 : return "unknown";
880 : }
881 : }
882 :
883 : /* Create a sig_notation json object */
884 : static cjson_t
885 0 : sig_notation_to_json (gpgme_sig_notation_t not)
886 : {
887 0 : cjson_t result = xjson_CreateObject ();
888 0 : xjson_AddBoolToObject (result, "human_readable", not->human_readable);
889 0 : xjson_AddBoolToObject (result, "critical", not->critical);
890 :
891 0 : xjson_AddStringToObject0 (result, "name", not->name);
892 0 : xjson_AddStringToObject0 (result, "value", not->value);
893 :
894 0 : xjson_AddNumberToObject (result, "flags", not->flags);
895 :
896 0 : return result;
897 : }
898 :
899 : /* Create a key_sig json object */
900 : static cjson_t
901 0 : key_sig_to_json (gpgme_key_sig_t sig)
902 : {
903 0 : cjson_t result = xjson_CreateObject ();
904 :
905 0 : xjson_AddBoolToObject (result, "revoked", sig->revoked);
906 0 : xjson_AddBoolToObject (result, "expired", sig->expired);
907 0 : xjson_AddBoolToObject (result, "invalid", sig->invalid);
908 0 : xjson_AddBoolToObject (result, "exportable", sig->exportable);
909 :
910 0 : xjson_AddStringToObject0 (result, "pubkey_algo_name",
911 : gpgme_pubkey_algo_name (sig->pubkey_algo));
912 0 : xjson_AddStringToObject0 (result, "keyid", sig->keyid);
913 0 : xjson_AddStringToObject0 (result, "status", gpgme_strerror (sig->status));
914 0 : xjson_AddStringToObject0 (result, "name", sig->name);
915 0 : xjson_AddStringToObject0 (result, "email", sig->email);
916 0 : xjson_AddStringToObject0 (result, "comment", sig->comment);
917 :
918 0 : xjson_AddNumberToObject (result, "pubkey_algo", sig->pubkey_algo);
919 0 : xjson_AddNumberToObject (result, "timestamp", sig->timestamp);
920 0 : xjson_AddNumberToObject (result, "expires", sig->expires);
921 0 : xjson_AddNumberToObject (result, "status_code", sig->status);
922 0 : xjson_AddNumberToObject (result, "sig_class", sig->sig_class);
923 :
924 0 : if (sig->notations)
925 : {
926 : gpgme_sig_notation_t not;
927 0 : cjson_t array = xjson_CreateArray ();
928 0 : for (not = sig->notations; not; not = not->next)
929 0 : cJSON_AddItemToArray (array, sig_notation_to_json (not));
930 0 : xjson_AddItemToObject (result, "notations", array);
931 : }
932 :
933 0 : return result;
934 : }
935 :
936 : /* Create a tofu info object */
937 : static cjson_t
938 0 : tofu_to_json (gpgme_tofu_info_t tofu)
939 : {
940 0 : cjson_t result = xjson_CreateObject ();
941 :
942 0 : xjson_AddStringToObject0 (result, "description", tofu->description);
943 :
944 0 : xjson_AddNumberToObject (result, "validity", tofu->validity);
945 0 : xjson_AddNumberToObject (result, "policy", tofu->policy);
946 0 : xjson_AddNumberToObject (result, "signcount", tofu->signcount);
947 0 : xjson_AddNumberToObject (result, "encrcount", tofu->encrcount);
948 0 : xjson_AddNumberToObject (result, "signfirst", tofu->signfirst);
949 0 : xjson_AddNumberToObject (result, "signlast", tofu->signlast);
950 0 : xjson_AddNumberToObject (result, "encrfirst", tofu->encrfirst);
951 0 : xjson_AddNumberToObject (result, "encrlast", tofu->encrlast);
952 :
953 0 : return result;
954 : }
955 :
956 : /* Create a userid json object */
957 : static cjson_t
958 0 : uid_to_json (gpgme_user_id_t uid)
959 : {
960 0 : cjson_t result = xjson_CreateObject ();
961 :
962 0 : xjson_AddBoolToObject (result, "revoked", uid->revoked);
963 0 : xjson_AddBoolToObject (result, "invalid", uid->invalid);
964 :
965 0 : xjson_AddStringToObject0 (result, "validity",
966 : validity_to_string (uid->validity));
967 0 : xjson_AddStringToObject0 (result, "uid", uid->uid);
968 0 : xjson_AddStringToObject0 (result, "name", uid->name);
969 0 : xjson_AddStringToObject0 (result, "email", uid->email);
970 0 : xjson_AddStringToObject0 (result, "comment", uid->comment);
971 0 : xjson_AddStringToObject0 (result, "address", uid->address);
972 :
973 0 : xjson_AddNumberToObject (result, "origin", uid->origin);
974 0 : xjson_AddNumberToObject (result, "last_update", uid->last_update);
975 :
976 : /* Key sigs */
977 0 : if (uid->signatures)
978 : {
979 0 : cjson_t sig_array = xjson_CreateArray ();
980 : gpgme_key_sig_t sig;
981 :
982 0 : for (sig = uid->signatures; sig; sig = sig->next)
983 0 : cJSON_AddItemToArray (sig_array, key_sig_to_json (sig));
984 :
985 0 : xjson_AddItemToObject (result, "signatures", sig_array);
986 : }
987 :
988 : /* TOFU info */
989 0 : if (uid->tofu)
990 : {
991 : gpgme_tofu_info_t tofu;
992 0 : cjson_t array = xjson_CreateArray ();
993 0 : for (tofu = uid->tofu; tofu; tofu = tofu->next)
994 0 : cJSON_AddItemToArray (array, tofu_to_json (tofu));
995 0 : xjson_AddItemToObject (result, "tofu", array);
996 : }
997 :
998 0 : return result;
999 : }
1000 :
1001 : /* Create a subkey json object */
1002 : static cjson_t
1003 0 : subkey_to_json (gpgme_subkey_t sub)
1004 : {
1005 0 : cjson_t result = xjson_CreateObject ();
1006 :
1007 0 : xjson_AddBoolToObject (result, "revoked", sub->revoked);
1008 0 : xjson_AddBoolToObject (result, "expired", sub->expired);
1009 0 : xjson_AddBoolToObject (result, "disabled", sub->disabled);
1010 0 : xjson_AddBoolToObject (result, "invalid", sub->invalid);
1011 0 : xjson_AddBoolToObject (result, "can_encrypt", sub->can_encrypt);
1012 0 : xjson_AddBoolToObject (result, "can_sign", sub->can_sign);
1013 0 : xjson_AddBoolToObject (result, "can_certify", sub->can_certify);
1014 0 : xjson_AddBoolToObject (result, "can_authenticate", sub->can_authenticate);
1015 0 : xjson_AddBoolToObject (result, "secret", sub->secret);
1016 0 : xjson_AddBoolToObject (result, "is_qualified", sub->is_qualified);
1017 0 : xjson_AddBoolToObject (result, "is_cardkey", sub->is_cardkey);
1018 0 : xjson_AddBoolToObject (result, "is_de_vs", sub->is_de_vs);
1019 :
1020 0 : xjson_AddStringToObject0 (result, "pubkey_algo_name",
1021 : gpgme_pubkey_algo_name (sub->pubkey_algo));
1022 0 : xjson_AddStringToObject0 (result, "pubkey_algo_string",
1023 0 : gpgme_pubkey_algo_string (sub));
1024 0 : xjson_AddStringToObject0 (result, "keyid", sub->keyid);
1025 0 : xjson_AddStringToObject0 (result, "card_number", sub->card_number);
1026 0 : xjson_AddStringToObject0 (result, "curve", sub->curve);
1027 0 : xjson_AddStringToObject0 (result, "keygrip", sub->keygrip);
1028 :
1029 0 : xjson_AddNumberToObject (result, "pubkey_algo", sub->pubkey_algo);
1030 0 : xjson_AddNumberToObject (result, "length", sub->length);
1031 0 : xjson_AddNumberToObject (result, "timestamp", sub->timestamp);
1032 0 : xjson_AddNumberToObject (result, "expires", sub->expires);
1033 :
1034 0 : return result;
1035 : }
1036 :
1037 : /* Create a key json object */
1038 : static cjson_t
1039 0 : key_to_json (gpgme_key_t key)
1040 : {
1041 0 : cjson_t result = xjson_CreateObject ();
1042 :
1043 0 : xjson_AddBoolToObject (result, "revoked", key->revoked);
1044 0 : xjson_AddBoolToObject (result, "expired", key->expired);
1045 0 : xjson_AddBoolToObject (result, "disabled", key->disabled);
1046 0 : xjson_AddBoolToObject (result, "invalid", key->invalid);
1047 0 : xjson_AddBoolToObject (result, "can_encrypt", key->can_encrypt);
1048 0 : xjson_AddBoolToObject (result, "can_sign", key->can_sign);
1049 0 : xjson_AddBoolToObject (result, "can_certify", key->can_certify);
1050 0 : xjson_AddBoolToObject (result, "can_authenticate", key->can_authenticate);
1051 0 : xjson_AddBoolToObject (result, "secret", key->secret);
1052 0 : xjson_AddBoolToObject (result, "is_qualified", key->is_qualified);
1053 :
1054 0 : xjson_AddStringToObject0 (result, "protocol",
1055 : protocol_to_string (key->protocol));
1056 0 : xjson_AddStringToObject0 (result, "issuer_serial", key->issuer_serial);
1057 0 : xjson_AddStringToObject0 (result, "issuer_name", key->issuer_name);
1058 0 : xjson_AddStringToObject0 (result, "fingerprint", key->fpr);
1059 0 : xjson_AddStringToObject0 (result, "chain_id", key->chain_id);
1060 0 : xjson_AddStringToObject0 (result, "owner_trust",
1061 : validity_to_string (key->owner_trust));
1062 :
1063 0 : xjson_AddNumberToObject (result, "origin", key->origin);
1064 0 : xjson_AddNumberToObject (result, "last_update", key->last_update);
1065 :
1066 : /* Add subkeys */
1067 0 : if (key->subkeys)
1068 : {
1069 0 : cjson_t subkey_array = xjson_CreateArray ();
1070 : gpgme_subkey_t sub;
1071 0 : for (sub = key->subkeys; sub; sub = sub->next)
1072 0 : cJSON_AddItemToArray (subkey_array, subkey_to_json (sub));
1073 :
1074 0 : xjson_AddItemToObject (result, "subkeys", subkey_array);
1075 : }
1076 :
1077 : /* User Ids */
1078 0 : if (key->uids)
1079 : {
1080 0 : cjson_t uid_array = xjson_CreateArray ();
1081 : gpgme_user_id_t uid;
1082 0 : for (uid = key->uids; uid; uid = uid->next)
1083 0 : cJSON_AddItemToArray (uid_array, uid_to_json (uid));
1084 :
1085 0 : xjson_AddItemToObject (result, "userids", uid_array);
1086 : }
1087 :
1088 0 : return result;
1089 : }
1090 :
1091 :
1092 : /* Create a signature json object */
1093 : static cjson_t
1094 0 : signature_to_json (gpgme_signature_t sig)
1095 : {
1096 0 : cjson_t result = xjson_CreateObject ();
1097 :
1098 0 : xjson_AddItemToObject (result, "summary", sigsum_to_json (sig->summary));
1099 :
1100 0 : xjson_AddBoolToObject (result, "wrong_key_usage", sig->wrong_key_usage);
1101 0 : xjson_AddBoolToObject (result, "chain_model", sig->chain_model);
1102 0 : xjson_AddBoolToObject (result, "is_de_vs", sig->is_de_vs);
1103 :
1104 0 : xjson_AddStringToObject0 (result, "status_string",
1105 : gpgme_strerror (sig->status));
1106 0 : xjson_AddStringToObject0 (result, "fingerprint", sig->fpr);
1107 0 : xjson_AddStringToObject0 (result, "validity_string",
1108 : validity_to_string (sig->validity));
1109 0 : xjson_AddStringToObject0 (result, "pubkey_algo_name",
1110 : gpgme_pubkey_algo_name (sig->pubkey_algo));
1111 0 : xjson_AddStringToObject0 (result, "hash_algo_name",
1112 : gpgme_hash_algo_name (sig->hash_algo));
1113 0 : xjson_AddStringToObject0 (result, "pka_address", sig->pka_address);
1114 :
1115 0 : xjson_AddNumberToObject (result, "status_code", sig->status);
1116 0 : xjson_AddNumberToObject (result, "timestamp", sig->timestamp);
1117 0 : xjson_AddNumberToObject (result, "exp_timestamp", sig->exp_timestamp);
1118 0 : xjson_AddNumberToObject (result, "pka_trust", sig->pka_trust);
1119 0 : xjson_AddNumberToObject (result, "validity", sig->validity);
1120 0 : xjson_AddNumberToObject (result, "validity_reason", sig->validity_reason);
1121 :
1122 0 : if (sig->notations)
1123 : {
1124 : gpgme_sig_notation_t not;
1125 0 : cjson_t array = xjson_CreateArray ();
1126 0 : for (not = sig->notations; not; not = not->next)
1127 0 : cJSON_AddItemToArray (array, sig_notation_to_json (not));
1128 0 : xjson_AddItemToObject (result, "notations", array);
1129 : }
1130 :
1131 0 : return result;
1132 : }
1133 :
1134 :
1135 : /* Create a JSON object from a gpgme_verify result */
1136 : static cjson_t
1137 0 : verify_result_to_json (gpgme_verify_result_t verify_result)
1138 : {
1139 0 : cjson_t result = xjson_CreateObject ();
1140 :
1141 0 : xjson_AddBoolToObject (result, "is_mime", verify_result->is_mime);
1142 :
1143 0 : if (verify_result->signatures)
1144 : {
1145 0 : cjson_t array = xjson_CreateArray ();
1146 : gpgme_signature_t sig;
1147 :
1148 0 : for (sig = verify_result->signatures; sig; sig = sig->next)
1149 0 : cJSON_AddItemToArray (array, signature_to_json (sig));
1150 0 : xjson_AddItemToObject (result, "signatures", array);
1151 : }
1152 :
1153 0 : return result;
1154 : }
1155 :
1156 : /* Create a recipient json object */
1157 : static cjson_t
1158 0 : recipient_to_json (gpgme_recipient_t recp)
1159 : {
1160 0 : cjson_t result = xjson_CreateObject ();
1161 :
1162 0 : xjson_AddStringToObject0 (result, "keyid", recp->keyid);
1163 0 : xjson_AddStringToObject0 (result, "pubkey_algo_name",
1164 : gpgme_pubkey_algo_name (recp->pubkey_algo));
1165 0 : xjson_AddStringToObject0 (result, "status_string",
1166 : gpgme_strerror (recp->status));
1167 :
1168 0 : xjson_AddNumberToObject (result, "status_code", recp->status);
1169 :
1170 0 : return result;
1171 : }
1172 :
1173 :
1174 : /* Create a JSON object from a gpgme_decrypt result */
1175 : static cjson_t
1176 0 : decrypt_result_to_json (gpgme_decrypt_result_t decrypt_result)
1177 : {
1178 0 : cjson_t result = xjson_CreateObject ();
1179 :
1180 0 : xjson_AddStringToObject0 (result, "file_name", decrypt_result->file_name);
1181 0 : xjson_AddStringToObject0 (result, "symkey_algo",
1182 0 : decrypt_result->symkey_algo);
1183 :
1184 0 : xjson_AddBoolToObject (result, "wrong_key_usage",
1185 0 : decrypt_result->wrong_key_usage);
1186 0 : xjson_AddBoolToObject (result, "is_de_vs",
1187 0 : decrypt_result->is_de_vs);
1188 0 : xjson_AddBoolToObject (result, "is_mime", decrypt_result->is_mime);
1189 0 : xjson_AddBoolToObject (result, "legacy_cipher_nomdc",
1190 0 : decrypt_result->legacy_cipher_nomdc);
1191 :
1192 0 : if (decrypt_result->recipients)
1193 : {
1194 0 : cjson_t array = xjson_CreateArray ();
1195 : gpgme_recipient_t recp;
1196 :
1197 0 : for (recp = decrypt_result->recipients; recp; recp = recp->next)
1198 0 : cJSON_AddItemToArray (array, recipient_to_json (recp));
1199 0 : xjson_AddItemToObject (result, "recipients", array);
1200 : }
1201 :
1202 0 : return result;
1203 : }
1204 :
1205 :
1206 : /* Create a JSON object from an engine_info */
1207 : static cjson_t
1208 0 : engine_info_to_json (gpgme_engine_info_t info)
1209 : {
1210 0 : cjson_t result = xjson_CreateObject ();
1211 :
1212 0 : xjson_AddStringToObject0 (result, "protocol",
1213 : protocol_to_string (info->protocol));
1214 0 : xjson_AddStringToObject0 (result, "fname", info->file_name);
1215 0 : xjson_AddStringToObject0 (result, "version", info->version);
1216 0 : xjson_AddStringToObject0 (result, "req_version", info->req_version);
1217 0 : xjson_AddStringToObject0 (result, "homedir", info->home_dir ?
1218 : info->home_dir :
1219 : "default");
1220 0 : return result;
1221 : }
1222 :
1223 :
1224 : /* Create a JSON object from an import_status */
1225 : static cjson_t
1226 0 : import_status_to_json (gpgme_import_status_t sts)
1227 : {
1228 0 : cjson_t result = xjson_CreateObject ();
1229 :
1230 0 : xjson_AddStringToObject0 (result, "fingerprint", sts->fpr);
1231 0 : xjson_AddStringToObject0 (result, "error_string",
1232 : gpgme_strerror (sts->result));
1233 :
1234 0 : xjson_AddNumberToObject (result, "status", sts->status);
1235 :
1236 0 : return result;
1237 : }
1238 :
1239 : /* Create a JSON object from an import result */
1240 : static cjson_t
1241 0 : import_result_to_json (gpgme_import_result_t imp)
1242 : {
1243 0 : cjson_t result = xjson_CreateObject ();
1244 :
1245 0 : xjson_AddNumberToObject (result, "considered", imp->considered);
1246 0 : xjson_AddNumberToObject (result, "no_user_id", imp->no_user_id);
1247 0 : xjson_AddNumberToObject (result, "imported", imp->imported);
1248 0 : xjson_AddNumberToObject (result, "imported_rsa", imp->imported_rsa);
1249 0 : xjson_AddNumberToObject (result, "unchanged", imp->unchanged);
1250 0 : xjson_AddNumberToObject (result, "new_user_ids", imp->new_user_ids);
1251 0 : xjson_AddNumberToObject (result, "new_sub_keys", imp->new_sub_keys);
1252 0 : xjson_AddNumberToObject (result, "new_signatures", imp->new_signatures);
1253 0 : xjson_AddNumberToObject (result, "new_revocations", imp->new_revocations);
1254 0 : xjson_AddNumberToObject (result, "secret_read", imp->secret_read);
1255 0 : xjson_AddNumberToObject (result, "secret_imported", imp->secret_imported);
1256 0 : xjson_AddNumberToObject (result, "secret_unchanged", imp->secret_unchanged);
1257 0 : xjson_AddNumberToObject (result, "skipped_new_keys", imp->skipped_new_keys);
1258 0 : xjson_AddNumberToObject (result, "not_imported", imp->not_imported);
1259 0 : xjson_AddNumberToObject (result, "skipped_v3_keys", imp->skipped_v3_keys);
1260 :
1261 :
1262 0 : if (imp->imports)
1263 : {
1264 0 : cjson_t array = xjson_CreateArray ();
1265 : gpgme_import_status_t status;
1266 :
1267 0 : for (status = imp->imports; status; status = status->next)
1268 0 : cJSON_AddItemToArray (array, import_status_to_json (status));
1269 0 : xjson_AddItemToObject (result, "imports", array);
1270 : }
1271 :
1272 0 : return result;
1273 : }
1274 :
1275 :
1276 : /* Create a JSON object from a gpgconf arg */
1277 : static cjson_t
1278 0 : conf_arg_to_json (gpgme_conf_arg_t arg, gpgme_conf_type_t type)
1279 : {
1280 0 : cjson_t result = xjson_CreateObject ();
1281 0 : int is_none = 0;
1282 0 : switch (type)
1283 : {
1284 : case GPGME_CONF_STRING:
1285 : case GPGME_CONF_PATHNAME:
1286 : case GPGME_CONF_LDAP_SERVER:
1287 : case GPGME_CONF_KEY_FPR:
1288 : case GPGME_CONF_PUB_KEY:
1289 : case GPGME_CONF_SEC_KEY:
1290 : case GPGME_CONF_ALIAS_LIST:
1291 0 : xjson_AddStringToObject0 (result, "string", arg->value.string);
1292 0 : break;
1293 :
1294 : case GPGME_CONF_UINT32:
1295 0 : xjson_AddNumberToObject (result, "number", arg->value.uint32);
1296 0 : break;
1297 :
1298 : case GPGME_CONF_INT32:
1299 0 : xjson_AddNumberToObject (result, "number", arg->value.int32);
1300 0 : break;
1301 :
1302 : case GPGME_CONF_NONE:
1303 : default:
1304 0 : is_none = 1;
1305 0 : break;
1306 : }
1307 0 : xjson_AddBoolToObject (result, "is_none", is_none);
1308 0 : return result;
1309 : }
1310 :
1311 :
1312 : /* Create a JSON object from a gpgconf option */
1313 : static cjson_t
1314 0 : conf_opt_to_json (gpgme_conf_opt_t opt)
1315 : {
1316 0 : cjson_t result = xjson_CreateObject ();
1317 :
1318 0 : xjson_AddStringToObject0 (result, "name", opt->name);
1319 0 : xjson_AddStringToObject0 (result, "description", opt->description);
1320 0 : xjson_AddStringToObject0 (result, "argname", opt->argname);
1321 0 : xjson_AddStringToObject0 (result, "default_description",
1322 0 : opt->default_description);
1323 0 : xjson_AddStringToObject0 (result, "no_arg_description",
1324 0 : opt->no_arg_description);
1325 :
1326 0 : xjson_AddNumberToObject (result, "flags", opt->flags);
1327 0 : xjson_AddNumberToObject (result, "level", opt->level);
1328 0 : xjson_AddNumberToObject (result, "type", opt->type);
1329 0 : xjson_AddNumberToObject (result, "alt_type", opt->alt_type);
1330 :
1331 0 : if (opt->default_value)
1332 : {
1333 0 : cjson_t array = xjson_CreateArray ();
1334 : gpgme_conf_arg_t arg;
1335 :
1336 0 : for (arg = opt->default_value; arg; arg = arg->next)
1337 0 : cJSON_AddItemToArray (array, conf_arg_to_json (arg, opt->alt_type));
1338 0 : xjson_AddItemToObject (result, "default_value", array);
1339 : }
1340 :
1341 0 : if (opt->no_arg_value)
1342 : {
1343 0 : cjson_t array = xjson_CreateArray ();
1344 : gpgme_conf_arg_t arg;
1345 :
1346 0 : for (arg = opt->no_arg_value; arg; arg = arg->next)
1347 0 : cJSON_AddItemToArray (array, conf_arg_to_json (arg, opt->alt_type));
1348 0 : xjson_AddItemToObject (result, "no_arg_value", array);
1349 : }
1350 :
1351 0 : if (opt->value)
1352 : {
1353 0 : cjson_t array = xjson_CreateArray ();
1354 : gpgme_conf_arg_t arg;
1355 :
1356 0 : for (arg = opt->value; arg; arg = arg->next)
1357 0 : cJSON_AddItemToArray (array, conf_arg_to_json (arg, opt->alt_type));
1358 0 : xjson_AddItemToObject (result, "value", array);
1359 : }
1360 0 : return result;
1361 : }
1362 :
1363 :
1364 : /* Create a JSON object from a gpgconf component*/
1365 : static cjson_t
1366 0 : conf_comp_to_json (gpgme_conf_comp_t cmp)
1367 : {
1368 0 : cjson_t result = xjson_CreateObject ();
1369 :
1370 0 : xjson_AddStringToObject0 (result, "name", cmp->name);
1371 0 : xjson_AddStringToObject0 (result, "description", cmp->description);
1372 0 : xjson_AddStringToObject0 (result, "program_name", cmp->program_name);
1373 :
1374 :
1375 0 : if (cmp->options)
1376 : {
1377 0 : cjson_t array = xjson_CreateArray ();
1378 : gpgme_conf_opt_t opt;
1379 :
1380 0 : for (opt = cmp->options; opt; opt = opt->next)
1381 0 : cJSON_AddItemToArray (array, conf_opt_to_json (opt));
1382 0 : xjson_AddItemToObject (result, "options", array);
1383 : }
1384 :
1385 0 : return result;
1386 : }
1387 :
1388 :
1389 : /* Create a gpgme_data from json string data named "name"
1390 : * in the request. Takes the base64 option into account.
1391 : *
1392 : * Adds an error to the "result" on error. */
1393 : static gpg_error_t
1394 0 : get_string_data (cjson_t request, cjson_t result, const char *name,
1395 : gpgme_data_t *r_data)
1396 : {
1397 : gpgme_error_t err;
1398 : int opt_base64;
1399 : cjson_t j_data;
1400 :
1401 0 : if ((err = get_boolean_flag (request, "base64", 0, &opt_base64)))
1402 0 : return err;
1403 :
1404 : /* Get the data. Note that INPUT is a shallow data object with the
1405 : * storage hold in REQUEST. */
1406 0 : j_data = cJSON_GetObjectItem (request, name);
1407 0 : if (!j_data)
1408 : {
1409 0 : return gpg_error (GPG_ERR_NO_DATA);
1410 : }
1411 0 : if (!cjson_is_string (j_data))
1412 : {
1413 0 : return gpg_error (GPG_ERR_INV_VALUE);
1414 : }
1415 0 : if (opt_base64)
1416 : {
1417 0 : err = data_from_base64_string (r_data, j_data);
1418 0 : if (err)
1419 : {
1420 0 : gpg_error_object (result, err,
1421 : "Error decoding Base-64 encoded '%s': %s",
1422 : name, gpg_strerror (err));
1423 0 : return err;
1424 : }
1425 : }
1426 : else
1427 : {
1428 0 : err = gpgme_data_new_from_mem (r_data, j_data->valuestring,
1429 0 : strlen (j_data->valuestring), 0);
1430 0 : if (err)
1431 : {
1432 0 : gpg_error_object (result, err, "Error getting '%s': %s",
1433 : name, gpg_strerror (err));
1434 0 : return err;
1435 : }
1436 : }
1437 0 : return 0;
1438 : }
1439 :
1440 :
1441 : /* Create a "data" object and the "type" and "base64" flags
1442 : * from DATA and append them to RESULT. Ownership of DATA is
1443 : * transferred to this function. TYPE must be a fixed string.
1444 : * If BASE64 is -1 the need for base64 encoding is determined
1445 : * by the content of DATA, all other values are taken as true
1446 : * or false. */
1447 : static gpg_error_t
1448 0 : make_data_object (cjson_t result, gpgme_data_t data,
1449 : const char *type, int base64)
1450 : {
1451 : gpg_error_t err;
1452 : char *buffer;
1453 : const char *s;
1454 : size_t buflen, n;
1455 :
1456 0 : if (!base64 || base64 == -1) /* Make sure that we really have a string. */
1457 0 : gpgme_data_write (data, "", 1);
1458 :
1459 0 : buffer = gpgme_data_release_and_get_mem (data, &buflen);
1460 0 : data = NULL;
1461 0 : if (!buffer)
1462 : {
1463 0 : err = gpg_error_from_syserror ();
1464 0 : goto leave;
1465 : }
1466 :
1467 0 : if (base64 == -1)
1468 : {
1469 0 : base64 = 0;
1470 0 : if (!buflen)
1471 0 : log_fatal ("Appended Nul byte got lost\n");
1472 : /* Figure out if there is any Nul octet in the buffer. In that
1473 : * case we need to Base-64 the buffer. Due to problems with the
1474 : * browser's Javascript we use Base-64 also in case an UTF-8
1475 : * character is in the buffer. This is because the chunking may
1476 : * split an UTF-8 characters and JS can't handle this. */
1477 0 : for (s=buffer, n=0; n < buflen -1; s++, n++)
1478 0 : if (!*s || (*s & 0x80))
1479 : {
1480 0 : buflen--; /* Adjust for the extra nul byte. */
1481 0 : base64 = 1;
1482 0 : break;
1483 : }
1484 : }
1485 :
1486 0 : xjson_AddStringToObject (result, "type", type);
1487 0 : xjson_AddBoolToObject (result, "base64", base64);
1488 :
1489 0 : if (base64)
1490 0 : err = add_base64_to_object (result, "data", buffer, buflen);
1491 : else
1492 0 : err = cjson_AddStringToObject (result, "data", buffer);
1493 :
1494 : leave:
1495 0 : gpgme_free (buffer);
1496 0 : return err;
1497 : }
1498 :
1499 :
1500 : /* Encode and chunk response.
1501 : *
1502 : * If necessary this base64 encodes and chunks the response
1503 : * for getmore so that we always return valid json independent
1504 : * of the chunksize.
1505 : *
1506 : * A chunked response contains the base64 encoded chunk
1507 : * as a string and a boolean if there is still more data
1508 : * available for getmore like:
1509 : * {
1510 : * chunk: "SGVsbG8gV29ybGQK"
1511 : * more: true
1512 : * }
1513 : *
1514 : * Chunking is only done if the response is larger then the
1515 : * chunksize.
1516 : *
1517 : * caller has to xfree the return value.
1518 : */
1519 : static char *
1520 0 : encode_and_chunk (cjson_t request, cjson_t response)
1521 : {
1522 : char *data;
1523 0 : gpg_error_t err = 0;
1524 0 : size_t chunksize = 0;
1525 0 : char *getmore_request = NULL;
1526 :
1527 0 : if (opt_interactive)
1528 0 : data = cJSON_Print (response);
1529 : else
1530 0 : data = cJSON_PrintUnformatted (response);
1531 :
1532 0 : if (!data)
1533 : {
1534 0 : err = GPG_ERR_NO_DATA;
1535 0 : goto leave;
1536 : }
1537 :
1538 0 : if (!request)
1539 : {
1540 0 : goto leave;
1541 : }
1542 :
1543 0 : if ((err = get_chunksize (request, &chunksize)))
1544 : {
1545 0 : err = GPG_ERR_INV_VALUE;
1546 0 : goto leave;
1547 : }
1548 :
1549 0 : if (!chunksize)
1550 0 : goto leave;
1551 :
1552 0 : pending_data.buffer = data;
1553 : /* Data should already be encoded so that it does not
1554 : contain 0.*/
1555 0 : pending_data.length = strlen (data);
1556 0 : pending_data.written = 0;
1557 :
1558 0 : if (gpgrt_asprintf (&getmore_request,
1559 : "{ \"op\":\"getmore\", \"chunksize\": %i }",
1560 : (int) chunksize) == -1)
1561 : {
1562 0 : err = gpg_error_from_syserror ();
1563 0 : goto leave;
1564 : }
1565 :
1566 0 : data = process_request (getmore_request);
1567 :
1568 : leave:
1569 0 : xfree (getmore_request);
1570 :
1571 0 : if (!err && !data)
1572 : {
1573 0 : err = GPG_ERR_GENERAL;
1574 : }
1575 :
1576 0 : if (err)
1577 : {
1578 0 : cjson_t err_obj = gpg_error_object (NULL, err,
1579 : "Encode and chunk failed: %s",
1580 : gpgme_strerror (err));
1581 0 : xfree (data);
1582 0 : if (opt_interactive)
1583 0 : data = cJSON_Print (err_obj);
1584 0 : data = cJSON_PrintUnformatted (err_obj);
1585 :
1586 0 : cJSON_Delete (err_obj);
1587 : }
1588 :
1589 0 : return data;
1590 : }
1591 :
1592 :
1593 :
1594 : /*
1595 : * Implementation of the commands.
1596 : */
1597 : static const char hlp_encrypt[] =
1598 : "op: \"encrypt\"\n"
1599 : "keys: Array of strings with the fingerprints or user-ids\n"
1600 : " of the keys to encrypt the data. For a single key\n"
1601 : " a String may be used instead of an array.\n"
1602 : "data: Input data. \n"
1603 : "\n"
1604 : "Optional parameters:\n"
1605 : "protocol: Either \"openpgp\" (default) or \"cms\".\n"
1606 : "signing_keys: Similar to the keys parameter for added signing.\n"
1607 : " (openpgp only)"
1608 : "file_name: The file name associated with the data.\n"
1609 : "sender: Sender info to embed in a signature.\n"
1610 : "\n"
1611 : "Optional boolean flags (default is false):\n"
1612 : "base64: Input data is base64 encoded.\n"
1613 : "mime: Indicate that data is a MIME object.\n"
1614 : "armor: Request output in armored format.\n"
1615 : "always-trust: Request --always-trust option.\n"
1616 : "no-encrypt-to: Do not use a default recipient.\n"
1617 : "no-compress: Do not compress the plaintext first.\n"
1618 : "throw-keyids: Request the --throw-keyids option.\n"
1619 : "want-address: Require that the keys include a mail address.\n"
1620 : "wrap: Assume the input is an OpenPGP message.\n"
1621 : "\n"
1622 : "Response on success:\n"
1623 : "type: \"ciphertext\"\n"
1624 : "data: Unless armor mode is used a Base64 encoded binary\n"
1625 : " ciphertext. In armor mode a string with an armored\n"
1626 : " OpenPGP or a PEM message.\n"
1627 : "base64: Boolean indicating whether data is base64 encoded.";
1628 : static gpg_error_t
1629 0 : op_encrypt (cjson_t request, cjson_t result)
1630 : {
1631 : gpg_error_t err;
1632 0 : gpgme_ctx_t ctx = NULL;
1633 : gpgme_protocol_t protocol;
1634 0 : char **signing_patterns = NULL;
1635 : int opt_mime;
1636 0 : char *keystring = NULL;
1637 0 : char *file_name = NULL;
1638 0 : gpgme_data_t input = NULL;
1639 0 : gpgme_data_t output = NULL;
1640 : int abool;
1641 0 : gpgme_encrypt_flags_t encrypt_flags = 0;
1642 0 : gpgme_ctx_t keylist_ctx = NULL;
1643 0 : gpgme_key_t key = NULL;
1644 0 : cjson_t j_tmp = NULL;
1645 :
1646 0 : if ((err = get_protocol (request, &protocol)))
1647 0 : goto leave;
1648 0 : ctx = get_context (protocol);
1649 :
1650 0 : if ((err = get_boolean_flag (request, "mime", 0, &opt_mime)))
1651 0 : goto leave;
1652 :
1653 0 : if ((err = get_boolean_flag (request, "armor", 0, &abool)))
1654 0 : goto leave;
1655 0 : gpgme_set_armor (ctx, abool);
1656 0 : if ((err = get_boolean_flag (request, "always-trust", 0, &abool)))
1657 0 : goto leave;
1658 0 : if (abool)
1659 0 : encrypt_flags |= GPGME_ENCRYPT_ALWAYS_TRUST;
1660 0 : if ((err = get_boolean_flag (request, "no-encrypt-to", 0,&abool)))
1661 0 : goto leave;
1662 0 : if (abool)
1663 0 : encrypt_flags |= GPGME_ENCRYPT_NO_ENCRYPT_TO;
1664 0 : if ((err = get_boolean_flag (request, "no-compress", 0, &abool)))
1665 0 : goto leave;
1666 0 : if (abool)
1667 0 : encrypt_flags |= GPGME_ENCRYPT_NO_COMPRESS;
1668 0 : if ((err = get_boolean_flag (request, "throw-keyids", 0, &abool)))
1669 0 : goto leave;
1670 0 : if (abool)
1671 0 : encrypt_flags |= GPGME_ENCRYPT_THROW_KEYIDS;
1672 0 : if ((err = get_boolean_flag (request, "wrap", 0, &abool)))
1673 0 : goto leave;
1674 0 : if (abool)
1675 0 : encrypt_flags |= GPGME_ENCRYPT_WRAP;
1676 0 : if ((err = get_boolean_flag (request, "want-address", 0, &abool)))
1677 0 : goto leave;
1678 0 : if (abool)
1679 0 : encrypt_flags |= GPGME_ENCRYPT_WANT_ADDRESS;
1680 :
1681 0 : j_tmp = cJSON_GetObjectItem (request, "file_name");
1682 0 : if (j_tmp && cjson_is_string (j_tmp))
1683 : {
1684 0 : file_name = j_tmp->valuestring;
1685 : }
1686 :
1687 0 : j_tmp = cJSON_GetObjectItem (request, "sender");
1688 0 : if (j_tmp && cjson_is_string (j_tmp))
1689 : {
1690 0 : gpgme_set_sender (ctx, j_tmp->valuestring);
1691 : }
1692 :
1693 : /* Get the keys. */
1694 0 : err = get_keys (request, "keys", &keystring);
1695 0 : if (err)
1696 : {
1697 : /* Provide a custom error response. */
1698 0 : gpg_error_object (result, err, "Error getting keys: %s",
1699 : gpg_strerror (err));
1700 0 : goto leave;
1701 : }
1702 :
1703 : /* Do we have signing keys ? */
1704 0 : signing_patterns = create_keylist_patterns (request, "signing_keys");
1705 0 : if (signing_patterns)
1706 : {
1707 0 : keylist_ctx = create_onetime_context (protocol);
1708 0 : gpgme_set_keylist_mode (keylist_ctx, GPGME_KEYLIST_MODE_LOCAL);
1709 :
1710 0 : err = gpgme_op_keylist_ext_start (keylist_ctx,
1711 : (const char **) signing_patterns,
1712 : 1, 0);
1713 0 : if (err)
1714 : {
1715 0 : gpg_error_object (result, err, "Error listing keys: %s",
1716 : gpg_strerror (err));
1717 0 : goto leave;
1718 : }
1719 0 : while (!(err = gpgme_op_keylist_next (keylist_ctx, &key)))
1720 : {
1721 0 : if ((err = gpgme_signers_add (ctx, key)))
1722 : {
1723 0 : gpg_error_object (result, err, "Error adding signer: %s",
1724 : gpg_strerror (err));
1725 0 : goto leave;
1726 : }
1727 0 : gpgme_key_unref (key);
1728 0 : key = NULL;
1729 : }
1730 0 : release_onetime_context (keylist_ctx);
1731 0 : keylist_ctx = NULL;
1732 : }
1733 :
1734 0 : if ((err = get_string_data (request, result, "data", &input)))
1735 0 : goto leave;
1736 :
1737 0 : if (opt_mime)
1738 0 : gpgme_data_set_encoding (input, GPGME_DATA_ENCODING_MIME);
1739 :
1740 0 : if (file_name)
1741 : {
1742 0 : gpgme_data_set_file_name (input, file_name);
1743 : }
1744 :
1745 : /* Create an output data object. */
1746 0 : err = gpgme_data_new (&output);
1747 0 : if (err)
1748 : {
1749 0 : gpg_error_object (result, err, "Error creating output data object: %s",
1750 : gpg_strerror (err));
1751 0 : goto leave;
1752 : }
1753 :
1754 : /* Encrypt. */
1755 0 : if (!signing_patterns)
1756 : {
1757 0 : err = gpgme_op_encrypt_ext (ctx, NULL, keystring, encrypt_flags,
1758 : input, output);
1759 : }
1760 : else
1761 : {
1762 0 : err = gpgme_op_encrypt_sign_ext (ctx, NULL, keystring, encrypt_flags,
1763 : input, output);
1764 :
1765 : }
1766 : /* encrypt_result = gpgme_op_encrypt_result (ctx); */
1767 0 : if (err)
1768 : {
1769 0 : gpg_error_object (result, err, "Encryption failed: %s",
1770 : gpg_strerror (err));
1771 0 : goto leave;
1772 : }
1773 0 : gpgme_data_release (input);
1774 0 : input = NULL;
1775 :
1776 : /* We need to base64 if armoring has not been requested. */
1777 0 : err = make_data_object (result, output,
1778 0 : "ciphertext", !gpgme_get_armor (ctx));
1779 0 : output = NULL;
1780 :
1781 : leave:
1782 0 : xfree_array (signing_patterns);
1783 0 : xfree (keystring);
1784 0 : release_onetime_context (keylist_ctx);
1785 : /* Reset sender in case the context is reused */
1786 0 : gpgme_set_sender (ctx, NULL);
1787 0 : gpgme_key_unref (key);
1788 0 : gpgme_signers_clear (ctx);
1789 0 : release_context (ctx);
1790 0 : gpgme_data_release (input);
1791 0 : gpgme_data_release (output);
1792 0 : return err;
1793 : }
1794 :
1795 :
1796 :
1797 : static const char hlp_decrypt[] =
1798 : "op: \"decrypt\"\n"
1799 : "data: The encrypted data.\n"
1800 : "\n"
1801 : "Optional parameters:\n"
1802 : "protocol: Either \"openpgp\" (default) or \"cms\".\n"
1803 : "\n"
1804 : "Optional boolean flags (default is false):\n"
1805 : "base64: Input data is base64 encoded.\n"
1806 : "\n"
1807 : "Response on success:\n"
1808 : "type: \"plaintext\"\n"
1809 : "data: The decrypted data. This may be base64 encoded.\n"
1810 : "base64: Boolean indicating whether data is base64 encoded.\n"
1811 : "mime: deprecated - use dec_info is_mime instead\n"
1812 : "dec_info: An object with decryption information. (gpgme_decrypt_result_t)\n"
1813 : " Boolean values:\n"
1814 : " wrong_key_usage: Key should not have been used for encryption.\n"
1815 : " is_de_vs: Message was encrypted in compliance to the de-vs\n"
1816 : " mode.\n"
1817 : " is_mime: Message claims that the content is a MIME Message.\n"
1818 : " legacy_cipher_nomdc: The message was made by a legacy algorithm\n"
1819 : " without integrity protection.\n"
1820 : " String values:\n"
1821 : " file_name: The filename contained in the decrypt result.\n"
1822 : " symkey_algo: A string with the symmetric encryption algorithm and\n"
1823 : " mode using the format \"<algo>.<mode>\".\n"
1824 : " Array values:\n"
1825 : " recipients: The list of recipients (gpgme_recipient_t).\n"
1826 : " String values:\n"
1827 : " keyid: The keyid of the recipient.\n"
1828 : " pubkey_algo_name: gpgme_pubkey_algo_name of used algo.\n"
1829 : " status_string: The status code as localized gpg-error string\n"
1830 : " Number values:\n"
1831 : " status_code: The status as a number. (gpg_error_t)\n"
1832 : "info: Optional an object with verification information.\n"
1833 : " (gpgme_verify_result_t)\n"
1834 : " file_name: The filename contained in the verify result.\n"
1835 : " is_mime: The is_mime info contained in the verify result.\n"
1836 : " signatures: Array of signatures\n"
1837 : " summary: Object containing summary information.\n"
1838 : " Boolean values: (Check gpgme_sigsum_t doc for meaning)\n"
1839 : " valid\n"
1840 : " green\n"
1841 : " red\n"
1842 : " revoked\n"
1843 : " key-expired\n"
1844 : " sig-expired\n"
1845 : " key-missing\n"
1846 : " crl-missing\n"
1847 : " crl-too-old\n"
1848 : " bad-policy\n"
1849 : " sys-error\n"
1850 : " sigsum: Array of strings representing the sigsum.\n"
1851 : " Boolean values:\n"
1852 : " wrong_key_usage: Key should not have been used for signing.\n"
1853 : " chain_model: Validity has been verified using the chain model.\n"
1854 : " is_de_vs: signature is in compliance to the de-vs mode.\n"
1855 : " String values:\n"
1856 : " status_string: The status code as localized gpg-error string\n"
1857 : " fingerprint: The fingerprint of the signing key.\n"
1858 : " validity_string: The validity as string.\n"
1859 : " pubkey_algo_name: gpgme_pubkey_algo_name of used algo.\n"
1860 : " hash_algo_name: gpgme_hash_algo_name of used hash algo\n"
1861 : " pka_address: The mailbox from the PKA information.\n"
1862 : " Number values:\n"
1863 : " status_code: The status as a number. (gpg_error_t)\n"
1864 : " timestamp: Signature creation time. (secs since epoch)\n"
1865 : " exp_timestamp: Signature expiration or 0. (secs since epoch)\n"
1866 : " pka_trust: PKA status: 0 = not available, 1 = bad, 2 = okay, 3 = RFU.\n"
1867 : " validity: validity as number (gpgme_validity_t)\n"
1868 : " validity_reason: (gpg_error_t)\n"
1869 : " Array values:\n"
1870 : " notations: Notation data and policy urls (gpgme_sig_notation_t)\n"
1871 : " Boolean values:\n"
1872 : " human_readable\n"
1873 : " critical\n"
1874 : " String values:\n"
1875 : " name\n"
1876 : " value\n"
1877 : " Number values:\n"
1878 : " flags\n";
1879 : static gpg_error_t
1880 0 : op_decrypt (cjson_t request, cjson_t result)
1881 : {
1882 : gpg_error_t err;
1883 0 : gpgme_ctx_t ctx = NULL;
1884 : gpgme_protocol_t protocol;
1885 0 : gpgme_data_t input = NULL;
1886 0 : gpgme_data_t output = NULL;
1887 : gpgme_decrypt_result_t decrypt_result;
1888 : gpgme_verify_result_t verify_result;
1889 :
1890 0 : if ((err = get_protocol (request, &protocol)))
1891 0 : goto leave;
1892 0 : ctx = get_context (protocol);
1893 :
1894 0 : if ((err = get_string_data (request, result, "data", &input)))
1895 0 : goto leave;
1896 :
1897 : /* Create an output data object. */
1898 0 : err = gpgme_data_new (&output);
1899 0 : if (err)
1900 : {
1901 0 : gpg_error_object (result, err,
1902 : "Error creating output data object: %s",
1903 : gpg_strerror (err));
1904 0 : goto leave;
1905 : }
1906 :
1907 : /* Decrypt. */
1908 0 : err = gpgme_op_decrypt_ext (ctx, GPGME_DECRYPT_VERIFY,
1909 : input, output);
1910 0 : decrypt_result = gpgme_op_decrypt_result (ctx);
1911 0 : if (err)
1912 : {
1913 0 : gpg_error_object (result, err, "Decryption failed: %s",
1914 : gpg_strerror (err));
1915 0 : goto leave;
1916 : }
1917 0 : gpgme_data_release (input);
1918 0 : input = NULL;
1919 :
1920 0 : if (decrypt_result->is_mime)
1921 0 : xjson_AddBoolToObject (result, "mime", 1);
1922 :
1923 0 : xjson_AddItemToObject (result, "dec_info",
1924 : decrypt_result_to_json (decrypt_result));
1925 :
1926 0 : verify_result = gpgme_op_verify_result (ctx);
1927 0 : if (verify_result && verify_result->signatures)
1928 : {
1929 0 : xjson_AddItemToObject (result, "info",
1930 : verify_result_to_json (verify_result));
1931 : }
1932 :
1933 0 : err = make_data_object (result, output, "plaintext", -1);
1934 0 : output = NULL;
1935 :
1936 0 : if (err)
1937 : {
1938 0 : gpg_error_object (result, err, "Plaintext output failed: %s",
1939 : gpg_strerror (err));
1940 0 : goto leave;
1941 : }
1942 :
1943 : leave:
1944 0 : release_context (ctx);
1945 0 : gpgme_data_release (input);
1946 0 : gpgme_data_release (output);
1947 0 : return err;
1948 : }
1949 :
1950 :
1951 :
1952 : static const char hlp_sign[] =
1953 : "op: \"sign\"\n"
1954 : "keys: Array of strings with the fingerprints of the signing key.\n"
1955 : " For a single key a String may be used instead of an array.\n"
1956 : "data: Input data. \n"
1957 : "\n"
1958 : "Optional parameters:\n"
1959 : "protocol: Either \"openpgp\" (default) or \"cms\".\n"
1960 : "sender: The mail address of the sender.\n"
1961 : "mode: A string with the signing mode can be:\n"
1962 : " detached (default)\n"
1963 : " opaque\n"
1964 : " clearsign\n"
1965 : "\n"
1966 : "Optional boolean flags (default is false):\n"
1967 : "base64: Input data is base64 encoded.\n"
1968 : "armor: Request output in armored format.\n"
1969 : "\n"
1970 : "Response on success:\n"
1971 : "type: \"signature\"\n"
1972 : "data: Unless armor mode is used a Base64 encoded binary\n"
1973 : " signature. In armor mode a string with an armored\n"
1974 : " OpenPGP or a PEM message.\n"
1975 : "base64: Boolean indicating whether data is base64 encoded.\n";
1976 : static gpg_error_t
1977 0 : op_sign (cjson_t request, cjson_t result)
1978 : {
1979 : gpg_error_t err;
1980 0 : gpgme_ctx_t ctx = NULL;
1981 : gpgme_protocol_t protocol;
1982 0 : char **patterns = NULL;
1983 0 : gpgme_data_t input = NULL;
1984 0 : gpgme_data_t output = NULL;
1985 : int abool;
1986 : cjson_t j_tmp;
1987 0 : gpgme_sig_mode_t mode = GPGME_SIG_MODE_DETACH;
1988 0 : gpgme_ctx_t keylist_ctx = NULL;
1989 0 : gpgme_key_t key = NULL;
1990 :
1991 0 : if ((err = get_protocol (request, &protocol)))
1992 0 : goto leave;
1993 0 : ctx = get_context (protocol);
1994 :
1995 0 : if ((err = get_boolean_flag (request, "armor", 0, &abool)))
1996 0 : goto leave;
1997 0 : gpgme_set_armor (ctx, abool);
1998 :
1999 0 : j_tmp = cJSON_GetObjectItem (request, "mode");
2000 0 : if (j_tmp && cjson_is_string (j_tmp))
2001 : {
2002 0 : if (!strcmp (j_tmp->valuestring, "opaque"))
2003 : {
2004 0 : mode = GPGME_SIG_MODE_NORMAL;
2005 : }
2006 0 : else if (!strcmp (j_tmp->valuestring, "clearsign"))
2007 : {
2008 0 : mode = GPGME_SIG_MODE_CLEAR;
2009 : }
2010 : }
2011 :
2012 0 : j_tmp = cJSON_GetObjectItem (request, "sender");
2013 0 : if (j_tmp && cjson_is_string (j_tmp))
2014 : {
2015 0 : gpgme_set_sender (ctx, j_tmp->valuestring);
2016 : }
2017 :
2018 0 : patterns = create_keylist_patterns (request, "keys");
2019 0 : if (!patterns)
2020 : {
2021 0 : gpg_error_object (result, err, "Error getting keys: %s",
2022 : gpg_strerror (gpg_error (GPG_ERR_NO_KEY)));
2023 0 : goto leave;
2024 : }
2025 :
2026 : /* Do a keylisting and add the keys */
2027 0 : keylist_ctx = create_onetime_context (protocol);
2028 0 : gpgme_set_keylist_mode (keylist_ctx, GPGME_KEYLIST_MODE_LOCAL);
2029 :
2030 0 : err = gpgme_op_keylist_ext_start (keylist_ctx,
2031 : (const char **) patterns, 1, 0);
2032 0 : if (err)
2033 : {
2034 0 : gpg_error_object (result, err, "Error listing keys: %s",
2035 : gpg_strerror (err));
2036 0 : goto leave;
2037 : }
2038 0 : while (!(err = gpgme_op_keylist_next (keylist_ctx, &key)))
2039 : {
2040 0 : if ((err = gpgme_signers_add (ctx, key)))
2041 : {
2042 0 : gpg_error_object (result, err, "Error adding signer: %s",
2043 : gpg_strerror (err));
2044 0 : goto leave;
2045 : }
2046 0 : gpgme_key_unref (key);
2047 0 : key = NULL;
2048 : }
2049 :
2050 0 : if ((err = get_string_data (request, result, "data", &input)))
2051 0 : goto leave;
2052 :
2053 : /* Create an output data object. */
2054 0 : err = gpgme_data_new (&output);
2055 0 : if (err)
2056 : {
2057 0 : gpg_error_object (result, err, "Error creating output data object: %s",
2058 : gpg_strerror (err));
2059 0 : goto leave;
2060 : }
2061 :
2062 : /* Sign. */
2063 0 : err = gpgme_op_sign (ctx, input, output, mode);
2064 0 : if (err)
2065 : {
2066 0 : gpg_error_object (result, err, "Signing failed: %s",
2067 : gpg_strerror (err));
2068 0 : goto leave;
2069 : }
2070 :
2071 0 : gpgme_data_release (input);
2072 0 : input = NULL;
2073 :
2074 : /* We need to base64 if armoring has not been requested. */
2075 0 : err = make_data_object (result, output,
2076 0 : "signature", !gpgme_get_armor (ctx));
2077 0 : output = NULL;
2078 :
2079 : leave:
2080 0 : xfree_array (patterns);
2081 0 : gpgme_signers_clear (ctx);
2082 0 : gpgme_key_unref (key);
2083 0 : release_onetime_context (keylist_ctx);
2084 0 : release_context (ctx);
2085 0 : gpgme_data_release (input);
2086 0 : gpgme_data_release (output);
2087 0 : return err;
2088 : }
2089 :
2090 :
2091 :
2092 : static const char hlp_verify[] =
2093 : "op: \"verify\"\n"
2094 : "data: The data to verify.\n"
2095 : "\n"
2096 : "Optional parameters:\n"
2097 : "protocol: Either \"openpgp\" (default) or \"cms\".\n"
2098 : "signature: A detached signature. If missing opaque is assumed.\n"
2099 : "\n"
2100 : "Optional boolean flags (default is false):\n"
2101 : "base64: Input data is base64 encoded.\n"
2102 : "\n"
2103 : "Response on success:\n"
2104 : "type: \"plaintext\"\n"
2105 : "data: The verified data. This may be base64 encoded.\n"
2106 : "base64: Boolean indicating whether data is base64 encoded.\n"
2107 : "info: An object with verification information (gpgme_verify_result_t).\n"
2108 : " is_mime: Boolean that is true if the messages claims it is MIME.\n"
2109 : " Note that this flag is not covered by the signature.)\n"
2110 : " signatures: Array of signatures\n"
2111 : " summary: Object containing summary information.\n"
2112 : " Boolean values: (Check gpgme_sigsum_t doc for meaning)\n"
2113 : " valid\n"
2114 : " green\n"
2115 : " red\n"
2116 : " revoked\n"
2117 : " key-expired\n"
2118 : " sig-expired\n"
2119 : " key-missing\n"
2120 : " crl-missing\n"
2121 : " crl-too-old\n"
2122 : " bad-policy\n"
2123 : " sys-error\n"
2124 : " sigsum: Array of strings representing the sigsum.\n"
2125 : " Boolean values:\n"
2126 : " wrong_key_usage: Key should not have been used for signing.\n"
2127 : " chain_model: Validity has been verified using the chain model.\n"
2128 : " is_de_vs: signature is in compliance to the de-vs mode.\n"
2129 : " String values:\n"
2130 : " status_string: The status code as localized gpg-error string\n"
2131 : " fingerprint: The fingerprint of the signing key.\n"
2132 : " validity_string: The validity as string.\n"
2133 : " pubkey_algo_name: gpgme_pubkey_algo_name of used algo.\n"
2134 : " hash_algo_name: gpgme_hash_algo_name of used hash algo\n"
2135 : " pka_address: The mailbox from the PKA information.\n"
2136 : " Number values:\n"
2137 : " status_code: The status as a number. (gpg_error_t)\n"
2138 : " timestamp: Signature creation time. (secs since epoch)\n"
2139 : " exp_timestamp: Signature expiration or 0. (secs since epoch)\n"
2140 : " pka_trust: PKA status: 0 = not available, 1 = bad, 2 = okay, 3 = RFU.\n"
2141 : " validity: validity as number (gpgme_validity_t)\n"
2142 : " validity_reason: (gpg_error_t)\n"
2143 : " Array values:\n"
2144 : " notations: Notation data and policy urls (gpgme_sig_notation_t)\n"
2145 : " Boolean values:\n"
2146 : " human_readable\n"
2147 : " critical\n"
2148 : " String values:\n"
2149 : " name\n"
2150 : " value\n"
2151 : " Number values:\n"
2152 : " flags\n";
2153 : static gpg_error_t
2154 0 : op_verify (cjson_t request, cjson_t result)
2155 : {
2156 : gpg_error_t err;
2157 0 : gpgme_ctx_t ctx = NULL;
2158 : gpgme_protocol_t protocol;
2159 0 : gpgme_data_t input = NULL;
2160 0 : gpgme_data_t signature = NULL;
2161 0 : gpgme_data_t output = NULL;
2162 : gpgme_verify_result_t verify_result;
2163 :
2164 0 : if ((err = get_protocol (request, &protocol)))
2165 0 : goto leave;
2166 0 : ctx = get_context (protocol);
2167 :
2168 0 : if ((err = get_string_data (request, result, "data", &input)))
2169 0 : goto leave;
2170 :
2171 0 : err = get_string_data (request, result, "signature", &signature);
2172 : /* Signature data is optional otherwise we expect opaque or clearsigned. */
2173 0 : if (err && err != gpg_error (GPG_ERR_NO_DATA))
2174 0 : goto leave;
2175 :
2176 0 : if (!signature)
2177 : {
2178 : /* Verify opaque or clearsigned we need an output data object. */
2179 0 : err = gpgme_data_new (&output);
2180 0 : if (err)
2181 : {
2182 0 : gpg_error_object (result, err,
2183 : "Error creating output data object: %s",
2184 : gpg_strerror (err));
2185 0 : goto leave;
2186 : }
2187 0 : err = gpgme_op_verify (ctx, input, 0, output);
2188 : }
2189 : else
2190 : {
2191 0 : err = gpgme_op_verify (ctx, signature, input, NULL);
2192 : }
2193 :
2194 0 : if (err)
2195 : {
2196 0 : gpg_error_object (result, err, "Verify failed: %s", gpg_strerror (err));
2197 0 : goto leave;
2198 : }
2199 0 : gpgme_data_release (input);
2200 0 : input = NULL;
2201 0 : gpgme_data_release (signature);
2202 0 : signature = NULL;
2203 :
2204 0 : verify_result = gpgme_op_verify_result (ctx);
2205 0 : if (verify_result && verify_result->signatures)
2206 : {
2207 0 : xjson_AddItemToObject (result, "info",
2208 : verify_result_to_json (verify_result));
2209 : }
2210 :
2211 0 : if (output)
2212 : {
2213 0 : err = make_data_object (result, output, "plaintext", -1);
2214 0 : output = NULL;
2215 :
2216 0 : if (err)
2217 : {
2218 0 : gpg_error_object (result, err, "Plaintext output failed: %s",
2219 : gpg_strerror (err));
2220 0 : goto leave;
2221 : }
2222 : }
2223 :
2224 : leave:
2225 0 : release_context (ctx);
2226 0 : gpgme_data_release (input);
2227 0 : gpgme_data_release (output);
2228 0 : gpgme_data_release (signature);
2229 0 : return err;
2230 : }
2231 :
2232 :
2233 :
2234 : static const char hlp_version[] =
2235 : "op: \"version\"\n"
2236 : "\n"
2237 : "Response on success:\n"
2238 : "gpgme: The GPGME Version.\n"
2239 : "info: dump of engine info. containing:\n"
2240 : " protocol: The protocol.\n"
2241 : " fname: The file name.\n"
2242 : " version: The version.\n"
2243 : " req_ver: The required version.\n"
2244 : " homedir: The homedir of the engine or \"default\".\n";
2245 : static gpg_error_t
2246 0 : op_version (cjson_t request, cjson_t result)
2247 : {
2248 0 : gpg_error_t err = 0;
2249 0 : gpgme_engine_info_t ei = NULL;
2250 0 : cjson_t infos = xjson_CreateArray ();
2251 :
2252 : (void)request;
2253 :
2254 0 : if (!cJSON_AddStringToObject (result, "gpgme", gpgme_check_version (NULL)))
2255 : {
2256 0 : cJSON_Delete (infos);
2257 0 : return gpg_error_from_syserror ();
2258 : }
2259 :
2260 0 : if ((err = gpgme_get_engine_info (&ei)))
2261 : {
2262 0 : cJSON_Delete (infos);
2263 0 : return err;
2264 : }
2265 :
2266 0 : for (; ei; ei = ei->next)
2267 0 : cJSON_AddItemToArray (infos, engine_info_to_json (ei));
2268 :
2269 0 : if (!cJSON_AddItemToObject (result, "info", infos))
2270 : {
2271 0 : err = gpg_error_from_syserror ();
2272 0 : cJSON_Delete (infos);
2273 0 : return err;
2274 : }
2275 :
2276 0 : return 0;
2277 : }
2278 :
2279 :
2280 :
2281 : static const char hlp_keylist[] =
2282 : "op: \"keylist\"\n"
2283 : "\n"
2284 : "Optional parameters:\n"
2285 : "keys: Array of strings or fingerprints to lookup\n"
2286 : " For a single key a String may be used instead of an array.\n"
2287 : " default lists all keys.\n"
2288 : "protocol: Either \"openpgp\" (default) or \"cms\".\n"
2289 : "\n"
2290 : "Optional boolean flags (default is false):\n"
2291 : "secret: List only secret keys.\n"
2292 : "with-secret: Add KEYLIST_MODE_WITH_SECRET.\n"
2293 : "extern: Add KEYLIST_MODE_EXTERN.\n"
2294 : "local: Add KEYLIST_MODE_LOCAL. (default mode).\n"
2295 : "sigs: Add KEYLIST_MODE_SIGS.\n"
2296 : "notations: Add KEYLIST_MODE_SIG_NOTATIONS.\n"
2297 : "tofu: Add KEYLIST_MODE_WITH_TOFU.\n"
2298 : "ephemeral: Add KEYLIST_MODE_EPHEMERAL.\n"
2299 : "validate: Add KEYLIST_MODE_VALIDATE.\n"
2300 : "locate: Add KEYLIST_MODE_LOCATE.\n"
2301 : "\n"
2302 : "Response on success:\n"
2303 : "keys: Array of keys.\n"
2304 : " Boolean values:\n"
2305 : " revoked\n"
2306 : " expired\n"
2307 : " disabled\n"
2308 : " invalid\n"
2309 : " can_encrypt\n"
2310 : " can_sign\n"
2311 : " can_certify\n"
2312 : " can_authenticate\n"
2313 : " secret\n"
2314 : " is_qualified\n"
2315 : " String values:\n"
2316 : " protocol\n"
2317 : " issuer_serial (CMS Only)\n"
2318 : " issuer_name (CMS Only)\n"
2319 : " chain_id (CMS Only)\n"
2320 : " owner_trust (OpenPGP only)\n"
2321 : " fingerprint\n"
2322 : " Number values:\n"
2323 : " last_update\n"
2324 : " origin\n"
2325 : " Array values:\n"
2326 : " subkeys\n"
2327 : " Boolean values:\n"
2328 : " revoked\n"
2329 : " expired\n"
2330 : " disabled\n"
2331 : " invalid\n"
2332 : " can_encrypt\n"
2333 : " can_sign\n"
2334 : " can_certify\n"
2335 : " can_authenticate\n"
2336 : " secret\n"
2337 : " is_qualified\n"
2338 : " is_cardkey\n"
2339 : " is_de_vs\n"
2340 : " String values:\n"
2341 : " pubkey_algo_name\n"
2342 : " pubkey_algo_string\n"
2343 : " keyid\n"
2344 : " card_number\n"
2345 : " curve\n"
2346 : " keygrip\n"
2347 : " Number values:\n"
2348 : " pubkey_algo\n"
2349 : " length\n"
2350 : " timestamp\n"
2351 : " expires\n"
2352 : " userids\n"
2353 : " Boolean values:\n"
2354 : " revoked\n"
2355 : " invalid\n"
2356 : " String values:\n"
2357 : " validity\n"
2358 : " uid\n"
2359 : " name\n"
2360 : " email\n"
2361 : " comment\n"
2362 : " address\n"
2363 : " Number values:\n"
2364 : " origin\n"
2365 : " last_update\n"
2366 : " Array values:\n"
2367 : " signatures\n"
2368 : " Boolean values:\n"
2369 : " revoked\n"
2370 : " expired\n"
2371 : " invalid\n"
2372 : " exportable\n"
2373 : " String values:\n"
2374 : " pubkey_algo_name\n"
2375 : " keyid\n"
2376 : " status\n"
2377 : " uid\n"
2378 : " name\n"
2379 : " email\n"
2380 : " comment\n"
2381 : " Number values:\n"
2382 : " pubkey_algo\n"
2383 : " timestamp\n"
2384 : " expires\n"
2385 : " status_code\n"
2386 : " sig_class\n"
2387 : " Array values:\n"
2388 : " notations\n"
2389 : " Boolean values:\n"
2390 : " human_readable\n"
2391 : " critical\n"
2392 : " String values:\n"
2393 : " name\n"
2394 : " value\n"
2395 : " Number values:\n"
2396 : " flags\n"
2397 : " tofu\n"
2398 : " String values:\n"
2399 : " description\n"
2400 : " Number values:\n"
2401 : " validity\n"
2402 : " policy\n"
2403 : " signcount\n"
2404 : " encrcount\n"
2405 : " signfirst\n"
2406 : " signlast\n"
2407 : " encrfirst\n"
2408 : " encrlast\n";
2409 : static gpg_error_t
2410 0 : op_keylist (cjson_t request, cjson_t result)
2411 : {
2412 : gpg_error_t err;
2413 0 : gpgme_ctx_t ctx = NULL;
2414 : gpgme_protocol_t protocol;
2415 0 : char **patterns = NULL;
2416 : int abool;
2417 0 : int secret_only = 0;
2418 0 : gpgme_keylist_mode_t mode = 0;
2419 0 : gpgme_key_t key = NULL;
2420 0 : cjson_t keyarray = xjson_CreateArray ();
2421 :
2422 0 : if ((err = get_protocol (request, &protocol)))
2423 0 : goto leave;
2424 0 : ctx = get_context (protocol);
2425 :
2426 : /* Handle the various keylist mode bools. */
2427 0 : if ((err = get_boolean_flag (request, "secret", 0, &abool)))
2428 0 : goto leave;
2429 0 : if (abool)
2430 : {
2431 0 : mode |= GPGME_KEYLIST_MODE_WITH_SECRET;
2432 0 : secret_only = 1;
2433 : }
2434 0 : if ((err = get_boolean_flag (request, "with-secret", 0, &abool)))
2435 0 : goto leave;
2436 0 : if (abool)
2437 0 : mode |= GPGME_KEYLIST_MODE_WITH_SECRET;
2438 0 : if ((err = get_boolean_flag (request, "extern", 0, &abool)))
2439 0 : goto leave;
2440 0 : if (abool)
2441 0 : mode |= GPGME_KEYLIST_MODE_EXTERN;
2442 :
2443 0 : if ((err = get_boolean_flag (request, "local", 0, &abool)))
2444 0 : goto leave;
2445 0 : if (abool)
2446 0 : mode |= GPGME_KEYLIST_MODE_LOCAL;
2447 :
2448 0 : if ((err = get_boolean_flag (request, "sigs", 0, &abool)))
2449 0 : goto leave;
2450 0 : if (abool)
2451 0 : mode |= GPGME_KEYLIST_MODE_SIGS;
2452 :
2453 0 : if ((err = get_boolean_flag (request, "notations", 0, &abool)))
2454 0 : goto leave;
2455 0 : if (abool)
2456 0 : mode |= GPGME_KEYLIST_MODE_SIG_NOTATIONS;
2457 :
2458 0 : if ((err = get_boolean_flag (request, "tofu", 0, &abool)))
2459 0 : goto leave;
2460 0 : if (abool)
2461 0 : mode |= GPGME_KEYLIST_MODE_WITH_TOFU;
2462 :
2463 0 : if ((err = get_boolean_flag (request, "ephemeral", 0, &abool)))
2464 0 : goto leave;
2465 0 : if (abool)
2466 0 : mode |= GPGME_KEYLIST_MODE_EPHEMERAL;
2467 :
2468 0 : if ((err = get_boolean_flag (request, "validate", 0, &abool)))
2469 0 : goto leave;
2470 0 : if (abool)
2471 0 : mode |= GPGME_KEYLIST_MODE_VALIDATE;
2472 :
2473 0 : if ((err = get_boolean_flag (request, "locate", 0, &abool)))
2474 0 : goto leave;
2475 0 : if (abool)
2476 0 : mode |= GPGME_KEYLIST_MODE_LOCATE;
2477 :
2478 0 : if (!mode)
2479 : {
2480 : /* default to local */
2481 0 : mode = GPGME_KEYLIST_MODE_LOCAL;
2482 : }
2483 :
2484 : /* Get the keys. */
2485 0 : patterns = create_keylist_patterns (request, "keys");
2486 :
2487 : /* Do a keylisting and add the keys */
2488 0 : gpgme_set_keylist_mode (ctx, mode);
2489 :
2490 0 : err = gpgme_op_keylist_ext_start (ctx, (const char **) patterns,
2491 : secret_only, 0);
2492 0 : if (err)
2493 : {
2494 0 : gpg_error_object (result, err, "Error listing keys: %s",
2495 : gpg_strerror (err));
2496 0 : goto leave;
2497 : }
2498 :
2499 0 : while (!(err = gpgme_op_keylist_next (ctx, &key)))
2500 : {
2501 0 : cJSON_AddItemToArray (keyarray, key_to_json (key));
2502 0 : gpgme_key_unref (key);
2503 : }
2504 0 : err = 0;
2505 :
2506 0 : if (!cJSON_AddItemToObject (result, "keys", keyarray))
2507 : {
2508 0 : err = gpg_error_from_syserror ();
2509 0 : goto leave;
2510 : }
2511 :
2512 : leave:
2513 0 : xfree_array (patterns);
2514 0 : if (err)
2515 : {
2516 0 : cJSON_Delete (keyarray);
2517 : }
2518 0 : return err;
2519 : }
2520 :
2521 :
2522 :
2523 : static const char hlp_import[] =
2524 : "op: \"import\"\n"
2525 : "data: The data to import.\n"
2526 : "\n"
2527 : "Optional parameters:\n"
2528 : "protocol: Either \"openpgp\" (default) or \"cms\".\n"
2529 : "\n"
2530 : "Optional boolean flags (default is false):\n"
2531 : "base64: Input data is base64 encoded.\n"
2532 : "\n"
2533 : "Response on success:\n"
2534 : "result: The import result.\n"
2535 : " Number values:\n"
2536 : " considered\n"
2537 : " no_user_id\n"
2538 : " imported\n"
2539 : " imported_rsa\n"
2540 : " unchanged\n"
2541 : " new_user_ids\n"
2542 : " new_sub_keys\n"
2543 : " new_signatures\n"
2544 : " new_revocations\n"
2545 : " secret_read\n"
2546 : " secret_imported\n"
2547 : " secret_unchanged\n"
2548 : " skipped_new_keys\n"
2549 : " not_imported\n"
2550 : " skipped_v3_keys\n"
2551 : " Array values:\n"
2552 : " imports: List of keys for which an import was attempted\n"
2553 : " String values:\n"
2554 : " fingerprint\n"
2555 : " error_string\n"
2556 : " Number values:\n"
2557 : " error_code\n"
2558 : " status\n";
2559 : static gpg_error_t
2560 0 : op_import (cjson_t request, cjson_t result)
2561 : {
2562 : gpg_error_t err;
2563 0 : gpgme_ctx_t ctx = NULL;
2564 0 : gpgme_data_t input = NULL;
2565 : gpgme_import_result_t import_result;
2566 : gpgme_protocol_t protocol;
2567 :
2568 0 : if ((err = get_protocol (request, &protocol)))
2569 0 : goto leave;
2570 0 : ctx = get_context (protocol);
2571 :
2572 0 : if ((err = get_string_data (request, result, "data", &input)))
2573 0 : goto leave;
2574 :
2575 : /* Import. */
2576 0 : err = gpgme_op_import (ctx, input);
2577 0 : import_result = gpgme_op_import_result (ctx);
2578 0 : if (err)
2579 : {
2580 0 : gpg_error_object (result, err, "Import failed: %s",
2581 : gpg_strerror (err));
2582 0 : goto leave;
2583 : }
2584 0 : gpgme_data_release (input);
2585 0 : input = NULL;
2586 :
2587 0 : xjson_AddItemToObject (result, "result",
2588 : import_result_to_json (import_result));
2589 :
2590 : leave:
2591 0 : release_context (ctx);
2592 0 : gpgme_data_release (input);
2593 0 : return err;
2594 : }
2595 :
2596 :
2597 : static const char hlp_export[] =
2598 : "op: \"export\"\n"
2599 : "\n"
2600 : "Optional parameters:\n"
2601 : "keys: Array of strings or fingerprints to lookup\n"
2602 : " For a single key a String may be used instead of an array.\n"
2603 : " default exports all keys.\n"
2604 : "protocol: Either \"openpgp\" (default) or \"cms\".\n"
2605 : "\n"
2606 : "Optional boolean flags (default is false):\n"
2607 : "armor: Request output in armored format.\n"
2608 : "extern: Add EXPORT_MODE_EXTERN.\n"
2609 : "minimal: Add EXPORT_MODE_MINIMAL.\n"
2610 : "raw: Add EXPORT_MODE_RAW.\n"
2611 : "pkcs12: Add EXPORT_MODE_PKCS12.\n"
2612 : "with-sec-fprs: Add the sec-fprs array to the result.\n"
2613 : "\n"
2614 : "Response on success:\n"
2615 : "type: \"keys\"\n"
2616 : "data: Unless armor mode is used a Base64 encoded binary.\n"
2617 : " In armor mode a string with an armored\n"
2618 : " OpenPGP or a PEM / PKCS12 key.\n"
2619 : "base64: Boolean indicating whether data is base64 encoded.\n"
2620 : "sec-fprs: Optional, only if with-secret is set. An array containing\n"
2621 : " the fingerprints of the keys in the export for which a secret\n"
2622 : " key is available";
2623 : static gpg_error_t
2624 0 : op_export (cjson_t request, cjson_t result)
2625 : {
2626 : gpg_error_t err;
2627 0 : gpgme_ctx_t ctx = NULL;
2628 : gpgme_protocol_t protocol;
2629 0 : char **patterns = NULL;
2630 : int abool;
2631 0 : int with_secret = 0;
2632 0 : gpgme_export_mode_t mode = 0;
2633 0 : gpgme_data_t output = NULL;
2634 :
2635 0 : if ((err = get_protocol (request, &protocol)))
2636 0 : goto leave;
2637 0 : ctx = get_context (protocol);
2638 :
2639 0 : if ((err = get_boolean_flag (request, "armor", 0, &abool)))
2640 0 : goto leave;
2641 0 : gpgme_set_armor (ctx, abool);
2642 :
2643 : /* Handle the various export mode bools. */
2644 0 : if ((err = get_boolean_flag (request, "secret", 0, &abool)))
2645 0 : goto leave;
2646 0 : if (abool)
2647 : {
2648 0 : err = gpg_error (GPG_ERR_FORBIDDEN);
2649 0 : goto leave;
2650 : }
2651 :
2652 0 : if ((err = get_boolean_flag (request, "extern", 0, &abool)))
2653 0 : goto leave;
2654 0 : if (abool)
2655 0 : mode |= GPGME_EXPORT_MODE_EXTERN;
2656 :
2657 0 : if ((err = get_boolean_flag (request, "minimal", 0, &abool)))
2658 0 : goto leave;
2659 0 : if (abool)
2660 0 : mode |= GPGME_EXPORT_MODE_MINIMAL;
2661 :
2662 0 : if ((err = get_boolean_flag (request, "raw", 0, &abool)))
2663 0 : goto leave;
2664 0 : if (abool)
2665 0 : mode |= GPGME_EXPORT_MODE_RAW;
2666 :
2667 0 : if ((err = get_boolean_flag (request, "pkcs12", 0, &abool)))
2668 0 : goto leave;
2669 0 : if (abool)
2670 0 : mode |= GPGME_EXPORT_MODE_PKCS12;
2671 :
2672 0 : if ((err = get_boolean_flag (request, "with-sec-fprs", 0, &abool)))
2673 0 : goto leave;
2674 0 : if (abool)
2675 0 : with_secret = 1;
2676 :
2677 : /* Get the export patterns. */
2678 0 : patterns = create_keylist_patterns (request, "keys");
2679 :
2680 : /* Create an output data object. */
2681 0 : err = gpgme_data_new (&output);
2682 0 : if (err)
2683 : {
2684 0 : gpg_error_object (result, err, "Error creating output data object: %s",
2685 : gpg_strerror (err));
2686 0 : goto leave;
2687 : }
2688 :
2689 0 : err = gpgme_op_export_ext (ctx, (const char **) patterns,
2690 : mode, output);
2691 0 : if (err)
2692 : {
2693 0 : gpg_error_object (result, err, "Error exporting keys: %s",
2694 : gpg_strerror (err));
2695 0 : goto leave;
2696 : }
2697 :
2698 : /* We need to base64 if armoring has not been requested. */
2699 0 : err = make_data_object (result, output,
2700 0 : "keys", !gpgme_get_armor (ctx));
2701 0 : output = NULL;
2702 :
2703 0 : if (!err && with_secret)
2704 : {
2705 0 : err = add_secret_fprs ((const char **) patterns, protocol, result);
2706 : }
2707 :
2708 : leave:
2709 0 : xfree_array (patterns);
2710 0 : release_context (ctx);
2711 0 : gpgme_data_release (output);
2712 :
2713 0 : return err;
2714 : }
2715 :
2716 :
2717 : static const char hlp_delete[] =
2718 : "op: \"delete\"\n"
2719 : "key: Fingerprint of the key to delete.\n"
2720 : "\n"
2721 : "Optional parameters:\n"
2722 : "protocol: Either \"openpgp\" (default) or \"cms\".\n"
2723 : "\n"
2724 : "Response on success:\n"
2725 : "success: Boolean true.\n";
2726 : static gpg_error_t
2727 0 : op_delete (cjson_t request, cjson_t result)
2728 : {
2729 : gpg_error_t err;
2730 0 : gpgme_ctx_t ctx = NULL;
2731 0 : gpgme_ctx_t keylist_ctx = NULL;
2732 : gpgme_protocol_t protocol;
2733 0 : gpgme_key_t key = NULL;
2734 0 : int secret = 0;
2735 0 : cjson_t j_key = NULL;
2736 :
2737 0 : if ((err = get_protocol (request, &protocol)))
2738 0 : goto leave;
2739 0 : ctx = get_context (protocol);
2740 0 : keylist_ctx = get_context (protocol);
2741 :
2742 0 : if ((err = get_boolean_flag (request, "secret", 0, &secret)))
2743 0 : goto leave;
2744 0 : if (secret)
2745 : {
2746 0 : err = gpg_error (GPG_ERR_FORBIDDEN);
2747 0 : goto leave;
2748 : }
2749 :
2750 0 : j_key = cJSON_GetObjectItem (request, "key");
2751 0 : if (!j_key)
2752 : {
2753 0 : err = gpg_error (GPG_ERR_NO_KEY);
2754 0 : goto leave;
2755 : }
2756 0 : if (!cjson_is_string (j_key))
2757 : {
2758 0 : err = gpg_error (GPG_ERR_INV_VALUE);
2759 0 : goto leave;
2760 : }
2761 :
2762 : /* Get the key */
2763 0 : if ((err = gpgme_get_key (keylist_ctx, j_key->valuestring, &key, 0)))
2764 : {
2765 0 : gpg_error_object (result, err, "Error fetching key for delete: %s",
2766 : gpg_strerror (err));
2767 0 : goto leave;
2768 : }
2769 :
2770 0 : err = gpgme_op_delete (ctx, key, 0);
2771 0 : if (err)
2772 : {
2773 0 : gpg_error_object (result, err, "Error deleting key: %s",
2774 : gpg_strerror (err));
2775 0 : goto leave;
2776 : }
2777 :
2778 0 : xjson_AddBoolToObject (result, "success", 1);
2779 :
2780 : leave:
2781 0 : gpgme_key_unref (key);
2782 0 : release_context (ctx);
2783 0 : release_context (keylist_ctx);
2784 :
2785 0 : return err;
2786 : }
2787 :
2788 :
2789 : static const char hlp_config_opt[] =
2790 : "op: \"config_opt\"\n"
2791 : "component: The component of the option.\n"
2792 : "option: The name of the option.\n"
2793 : "\n"
2794 : "Response on success:\n"
2795 : "\n"
2796 : "option: Information about the option.\n"
2797 : " String values:\n"
2798 : " name: The name of the option\n"
2799 : " description: Localized description of the opt.\n"
2800 : " argname: Thhe argument name e.g. --verbose\n"
2801 : " default_description\n"
2802 : " no_arg_description\n"
2803 : " Number values:\n"
2804 : " flags: Flags for this option.\n"
2805 : " level: the level of the description. See gpgme_conf_level_t.\n"
2806 : " type: The type of the option. See gpgme_conf_type_t.\n"
2807 : " alt_type: Alternate type of the option. See gpgme_conf_type_t\n"
2808 : " Arg type values: (see desc. below)\n"
2809 : " default_value: Array of the default value.\n"
2810 : " no_arg_value: Array of the value if it is not set.\n"
2811 : " value: Array for the current value if the option is set.\n"
2812 : "\n"
2813 : "If the response is empty the option was not found\n"
2814 : "";
2815 : static gpg_error_t
2816 0 : op_config_opt (cjson_t request, cjson_t result)
2817 : {
2818 : gpg_error_t err;
2819 0 : gpgme_ctx_t ctx = NULL;
2820 0 : gpgme_conf_comp_t conf = NULL;
2821 0 : gpgme_conf_comp_t comp = NULL;
2822 : cjson_t j_tmp;
2823 0 : char *comp_name = NULL;
2824 0 : char *opt_name = NULL;
2825 :
2826 0 : ctx = get_context (GPGME_PROTOCOL_GPGCONF);
2827 :
2828 0 : j_tmp = cJSON_GetObjectItem (request, "component");
2829 0 : if (!j_tmp || !cjson_is_string (j_tmp))
2830 : {
2831 0 : err = gpg_error (GPG_ERR_INV_VALUE);
2832 0 : goto leave;
2833 : }
2834 0 : comp_name = j_tmp->valuestring;
2835 :
2836 :
2837 0 : j_tmp = cJSON_GetObjectItem (request, "option");
2838 0 : if (!j_tmp || !cjson_is_string (j_tmp))
2839 : {
2840 0 : err = gpg_error (GPG_ERR_INV_VALUE);
2841 0 : goto leave;
2842 : }
2843 0 : opt_name = j_tmp->valuestring;
2844 :
2845 : /* Load the config */
2846 0 : err = gpgme_op_conf_load (ctx, &conf);
2847 0 : if (err)
2848 : {
2849 0 : goto leave;
2850 : }
2851 :
2852 0 : comp = conf;
2853 0 : for (comp = conf; comp; comp = comp->next)
2854 : {
2855 0 : gpgme_conf_opt_t opt = NULL;
2856 0 : int found = 0;
2857 0 : if (!comp->name || strcmp (comp->name, comp_name))
2858 : {
2859 : /* Skip components if a single one is specified */
2860 0 : continue;
2861 : }
2862 0 : for (opt = comp->options; opt; opt = opt->next)
2863 : {
2864 0 : if (!opt->name || strcmp (opt->name, opt_name))
2865 : {
2866 : /* Skip components if a single one is specified */
2867 0 : continue;
2868 : }
2869 0 : xjson_AddItemToObject (result, "option", conf_opt_to_json (opt));
2870 0 : found = 1;
2871 0 : break;
2872 : }
2873 0 : if (found)
2874 0 : break;
2875 : }
2876 :
2877 : leave:
2878 0 : gpgme_conf_release (conf);
2879 0 : release_context (ctx);
2880 :
2881 0 : return err;
2882 : }
2883 :
2884 :
2885 : static const char hlp_config[] =
2886 : "op: \"config\"\n"
2887 : "\n"
2888 : "Optional parameters:\n"
2889 : "component: Component of entries to list.\n"
2890 : " Default: all\n"
2891 : "\n"
2892 : "Response on success:\n"
2893 : " components: Array of the component program configs.\n"
2894 : " name: The component name.\n"
2895 : " description: Description of the component.\n"
2896 : " program_name: The absolute path to the program.\n"
2897 : " options: Array of config options\n"
2898 : " String values:\n"
2899 : " name: The name of the option\n"
2900 : " description: Localized description of the opt.\n"
2901 : " argname: Thhe argument name e.g. --verbose\n"
2902 : " default_description\n"
2903 : " no_arg_description\n"
2904 : " Number values:\n"
2905 : " flags: Flags for this option.\n"
2906 : " level: the level of the description. See gpgme_conf_level_t.\n"
2907 : " type: The type of the option. See gpgme_conf_type_t.\n"
2908 : " alt_type: Alternate type of the option. See gpgme_conf_type_t\n"
2909 : " Arg type values: (see desc. below)\n"
2910 : " default_value: Array of the default value.\n"
2911 : " no_arg_value: Array of the value if it is not set.\n"
2912 : " value: Array for the current value if the option is set.\n"
2913 : "\n"
2914 : "Conf type values are an array of values that are either\n"
2915 : "of type number named \"number\" or of type string,\n"
2916 : "named \"string\".\n"
2917 : "If the type is none the bool value is_none is true.\n"
2918 : "";
2919 : static gpg_error_t
2920 0 : op_config (cjson_t request, cjson_t result)
2921 : {
2922 : gpg_error_t err;
2923 0 : gpgme_ctx_t ctx = NULL;
2924 0 : gpgme_conf_comp_t conf = NULL;
2925 0 : gpgme_conf_comp_t comp = NULL;
2926 : cjson_t j_tmp;
2927 0 : char *comp_name = NULL;
2928 0 : cjson_t j_comps = xjson_CreateArray ();
2929 :
2930 0 : ctx = get_context (GPGME_PROTOCOL_GPGCONF);
2931 :
2932 0 : j_tmp = cJSON_GetObjectItem (request, "component");
2933 0 : if (j_tmp && cjson_is_string (j_tmp))
2934 : {
2935 0 : comp_name = j_tmp->valuestring;
2936 : }
2937 0 : else if (j_tmp && !cjson_is_string (j_tmp))
2938 : {
2939 0 : err = gpg_error (GPG_ERR_INV_VALUE);
2940 0 : goto leave;
2941 : }
2942 :
2943 : /* Load the config */
2944 0 : err = gpgme_op_conf_load (ctx, &conf);
2945 0 : if (err)
2946 : {
2947 0 : goto leave;
2948 : }
2949 :
2950 0 : comp = conf;
2951 0 : for (comp = conf; comp; comp = comp->next)
2952 : {
2953 0 : if (comp_name && comp->name && strcmp (comp->name, comp_name))
2954 : {
2955 : /* Skip components if a single one is specified */
2956 0 : continue;
2957 : }
2958 0 : cJSON_AddItemToArray (j_comps, conf_comp_to_json (comp));
2959 : }
2960 0 : xjson_AddItemToObject (result, "components", j_comps);
2961 :
2962 : leave:
2963 0 : gpgme_conf_release (conf);
2964 0 : release_context (ctx);
2965 :
2966 0 : return err;
2967 : }
2968 :
2969 :
2970 :
2971 : static const char hlp_createkey[] =
2972 : "op: \"createkey\"\n"
2973 : "userid: The user id. E.g. \"Foo Bar <foo@bar.baz>\"\n"
2974 : "\n"
2975 : "Optional parameters:\n"
2976 : "algo: Algo of the key as string. See doc for gpg --quick-gen-key.\n"
2977 : " Supported values are \"default\" and \"future-default\".\n"
2978 : "expires: Seconds from now to expiry as Number. 0 means no expiry.\n"
2979 : " The default is to use a standard expiration interval.\n"
2980 : "\n"
2981 : "Response on success:\n"
2982 : "fingerprint: The fingerprint of the created key.\n"
2983 : "\n"
2984 : "Note: This interface does not allow key generation if the userid\n"
2985 : "of the new key already exists in the keyring.\n";
2986 : static gpg_error_t
2987 0 : op_createkey (cjson_t request, cjson_t result)
2988 : {
2989 : gpg_error_t err;
2990 0 : gpgme_ctx_t ctx = NULL;
2991 0 : unsigned int flags = GPGME_CREATE_FORCE; /* Always force as the GUI should
2992 : handle checks, if required. */
2993 0 : unsigned long expires = 0;
2994 : cjson_t j_tmp;
2995 0 : const char *algo = "default";
2996 : const char *userid;
2997 : gpgme_genkey_result_t res;
2998 :
2999 : #ifdef GPG_AGENT_ALLOWS_KEYGEN_THROUGH_BROWSER
3000 : /* GnuPG forbids keygen through the browser socket so for
3001 : this we create an unrestricted context.
3002 : See GnuPG-Bug-Id: T4010 for more info */
3003 : ctx = get_context (GPGME_PROTOCOL_OpenPGP);
3004 : #else
3005 0 : err = gpgme_new (&ctx);
3006 0 : if (err)
3007 0 : log_fatal ("error creating GPGME context: %s\n", gpg_strerror (err));
3008 0 : gpgme_set_protocol (ctx, GPGME_PROTOCOL_OpenPGP);
3009 : #endif
3010 :
3011 0 : j_tmp = cJSON_GetObjectItem (request, "algo");
3012 0 : if (j_tmp && cjson_is_string (j_tmp))
3013 : {
3014 0 : algo = j_tmp->valuestring;
3015 : }
3016 :
3017 0 : j_tmp = cJSON_GetObjectItem (request, "userid");
3018 0 : if (!j_tmp || !cjson_is_string (j_tmp))
3019 : {
3020 0 : err = gpg_error (GPG_ERR_INV_VALUE);
3021 0 : goto leave;
3022 : }
3023 :
3024 0 : userid = j_tmp->valuestring;
3025 :
3026 0 : j_tmp = cJSON_GetObjectItem (request, "expires");
3027 0 : if (j_tmp)
3028 : {
3029 0 : if (!cjson_is_number (j_tmp))
3030 : {
3031 0 : err = gpg_error (GPG_ERR_INV_VALUE);
3032 0 : goto leave;
3033 : }
3034 0 : expires = j_tmp->valueint;
3035 :
3036 0 : if (!expires)
3037 0 : flags |= GPGME_CREATE_NOEXPIRE;
3038 : }
3039 :
3040 :
3041 0 : if ((err = gpgme_op_createkey (ctx, userid, algo, 0, expires, NULL, flags)))
3042 0 : goto leave;
3043 :
3044 0 : res = gpgme_op_genkey_result (ctx);
3045 0 : if (!res)
3046 : {
3047 0 : err = gpg_error (GPG_ERR_GENERAL);
3048 0 : goto leave;
3049 : }
3050 :
3051 0 : xjson_AddStringToObject0 (result, "fingerprint", res->fpr);
3052 :
3053 : leave:
3054 : #ifdef GPG_AGENT_ALLOWS_KEYGEN_THROUGH_BROWSER
3055 : release_context (ctx);
3056 : #else
3057 0 : gpgme_release (ctx);
3058 : #endif
3059 :
3060 0 : return err;
3061 : }
3062 :
3063 :
3064 :
3065 : static const char hlp_getmore[] =
3066 : "op: \"getmore\"\n"
3067 : "\n"
3068 : "Response on success:\n"
3069 : "response: base64 encoded json response.\n"
3070 : "more: Another getmore is required.\n"
3071 : "base64: boolean if the response is base64 encoded.\n";
3072 : static gpg_error_t
3073 0 : op_getmore (cjson_t request, cjson_t result)
3074 : {
3075 : gpg_error_t err;
3076 : int c;
3077 : size_t n;
3078 : size_t chunksize;
3079 :
3080 0 : if ((err = get_chunksize (request, &chunksize)))
3081 0 : goto leave;
3082 :
3083 : /* For the meta data we need 41 bytes:
3084 : {"more":true,"base64":true,"response":""} */
3085 0 : chunksize -= 41;
3086 :
3087 : /* Adjust the chunksize for the base64 conversion. */
3088 0 : chunksize = (chunksize / 4) * 3;
3089 :
3090 : /* Do we have anything pending? */
3091 0 : if (!pending_data.buffer)
3092 : {
3093 0 : err = gpg_error (GPG_ERR_NO_DATA);
3094 0 : gpg_error_object (result, err, "Operation not possible: %s",
3095 : gpg_strerror (err));
3096 0 : goto leave;
3097 : }
3098 :
3099 : /* We currently always use base64 encoding for simplicity. */
3100 0 : xjson_AddBoolToObject (result, "base64", 1);
3101 :
3102 0 : if (pending_data.written >= pending_data.length)
3103 : {
3104 : /* EOF reached. This should not happen but we return an empty
3105 : * string once in case of client errors. */
3106 0 : gpgme_free (pending_data.buffer);
3107 0 : pending_data.buffer = NULL;
3108 0 : xjson_AddBoolToObject (result, "more", 0);
3109 0 : err = cjson_AddStringToObject (result, "response", "");
3110 : }
3111 : else
3112 : {
3113 0 : n = pending_data.length - pending_data.written;
3114 0 : if (n > chunksize)
3115 : {
3116 0 : n = chunksize;
3117 0 : xjson_AddBoolToObject (result, "more", 1);
3118 : }
3119 : else
3120 0 : xjson_AddBoolToObject (result, "more", 0);
3121 :
3122 0 : c = pending_data.buffer[pending_data.written + n];
3123 0 : pending_data.buffer[pending_data.written + n] = 0;
3124 0 : err = add_base64_to_object (result, "response",
3125 0 : (pending_data.buffer
3126 0 : + pending_data.written), n);
3127 0 : pending_data.buffer[pending_data.written + n] = c;
3128 0 : if (!err)
3129 : {
3130 0 : pending_data.written += n;
3131 0 : if (pending_data.written >= pending_data.length)
3132 : {
3133 0 : xfree (pending_data.buffer);
3134 0 : pending_data.buffer = NULL;
3135 : }
3136 : }
3137 : }
3138 :
3139 : leave:
3140 0 : return err;
3141 : }
3142 :
3143 :
3144 :
3145 : static const char hlp_help[] =
3146 : "The tool expects a JSON object with the request and responds with\n"
3147 : "another JSON object. Even on error a JSON object is returned. The\n"
3148 : "property \"op\" is mandatory and its string value selects the\n"
3149 : "operation; if the property \"help\" with the value \"true\" exists, the\n"
3150 : "operation is not performned but a string with the documentation\n"
3151 : "returned. To list all operations it is allowed to leave out \"op\" in\n"
3152 : "help mode. Supported values for \"op\" are:\n\n"
3153 : " config Read configuration values.\n"
3154 : " config_opt Read a single configuration value.\n"
3155 : " decrypt Decrypt data.\n"
3156 : " delete Delete a key.\n"
3157 : " encrypt Encrypt data.\n"
3158 : " export Export keys.\n"
3159 : " createkey Generate a keypair (OpenPGP only).\n"
3160 : " import Import data.\n"
3161 : " keylist List keys.\n"
3162 : " sign Sign data.\n"
3163 : " verify Verify data.\n"
3164 : " version Get engine information.\n"
3165 : " getmore Retrieve remaining data if chunksize was used.\n"
3166 : " help Help overview.\n"
3167 : "\n"
3168 : "If the data needs to be transferred in smaller chunks the\n"
3169 : "property \"chunksize\" with an integer value can be added.\n"
3170 : "When \"chunksize\" is set the response (including json) will\n"
3171 : "not be larger then \"chunksize\" but might be smaller.\n"
3172 : "The chunked result will be transferred in base64 encoded chunks\n"
3173 : "using the \"getmore\" operation. See help getmore for more info.";
3174 : static gpg_error_t
3175 0 : op_help (cjson_t request, cjson_t result)
3176 : {
3177 : cjson_t j_tmp;
3178 0 : char *buffer = NULL;
3179 : const char *msg;
3180 :
3181 0 : j_tmp = cJSON_GetObjectItem (request, "interactive_help");
3182 0 : if (opt_interactive && j_tmp && cjson_is_string (j_tmp))
3183 0 : msg = buffer = xstrconcat (hlp_help, "\n", j_tmp->valuestring, NULL);
3184 : else
3185 0 : msg = hlp_help;
3186 :
3187 0 : xjson_AddStringToObject (result, "type", "help");
3188 0 : xjson_AddStringToObject (result, "msg", msg);
3189 :
3190 0 : xfree (buffer);
3191 0 : return 0;
3192 : }
3193 :
3194 :
3195 :
3196 : /*
3197 : * Dispatcher
3198 : */
3199 :
3200 : /* Process a request and return the response. The response is a newly
3201 : * allocated string or NULL in case of an error. */
3202 : static char *
3203 0 : process_request (const char *request)
3204 : {
3205 : static struct {
3206 : const char *op;
3207 : gpg_error_t (*handler)(cjson_t request, cjson_t result);
3208 : const char * const helpstr;
3209 : } optbl[] = {
3210 : { "config", op_config, hlp_config },
3211 : { "config_opt", op_config_opt, hlp_config_opt },
3212 : { "encrypt", op_encrypt, hlp_encrypt },
3213 : { "export", op_export, hlp_export },
3214 : { "decrypt", op_decrypt, hlp_decrypt },
3215 : { "delete", op_delete, hlp_delete },
3216 : { "createkey", op_createkey, hlp_createkey },
3217 : { "keylist", op_keylist, hlp_keylist },
3218 : { "import", op_import, hlp_import },
3219 : { "sign", op_sign, hlp_sign },
3220 : { "verify", op_verify, hlp_verify },
3221 : { "version", op_version, hlp_version },
3222 : { "getmore", op_getmore, hlp_getmore },
3223 : { "help", op_help, hlp_help },
3224 : { NULL }
3225 : };
3226 : size_t erroff;
3227 : cjson_t json;
3228 : cjson_t j_tmp, j_op;
3229 : cjson_t response;
3230 : int helpmode;
3231 0 : int is_getmore = 0;
3232 : const char *op;
3233 0 : char *res = NULL;
3234 : int idx;
3235 :
3236 0 : response = xjson_CreateObject ();
3237 :
3238 0 : json = cJSON_Parse (request, &erroff);
3239 0 : if (!json)
3240 : {
3241 0 : log_string (GPGRT_LOGLVL_INFO, request);
3242 0 : log_info ("invalid JSON object at offset %zu\n", erroff);
3243 0 : error_object (response, "invalid JSON object at offset %zu\n", erroff);
3244 0 : goto leave;
3245 : }
3246 :
3247 0 : j_tmp = cJSON_GetObjectItem (json, "help");
3248 0 : helpmode = (j_tmp && cjson_is_true (j_tmp));
3249 :
3250 0 : j_op = cJSON_GetObjectItem (json, "op");
3251 0 : if (!j_op || !cjson_is_string (j_op))
3252 : {
3253 0 : if (!helpmode)
3254 : {
3255 0 : error_object (response, "Property \"op\" missing");
3256 0 : goto leave;
3257 : }
3258 0 : op = "help"; /* Help summary. */
3259 : }
3260 : else
3261 0 : op = j_op->valuestring;
3262 :
3263 0 : for (idx=0; optbl[idx].op; idx++)
3264 0 : if (!strcmp (op, optbl[idx].op))
3265 0 : break;
3266 0 : if (optbl[idx].op)
3267 : {
3268 0 : if (helpmode && strcmp (op, "help"))
3269 : {
3270 0 : xjson_AddStringToObject (response, "type", "help");
3271 0 : xjson_AddStringToObject (response, "op", op);
3272 0 : xjson_AddStringToObject (response, "msg", optbl[idx].helpstr);
3273 : }
3274 : else
3275 : {
3276 : gpg_error_t err;
3277 0 : is_getmore = optbl[idx].handler == op_getmore;
3278 : /* If this is not the "getmore" command and we have any
3279 : * pending data release that data. */
3280 0 : if (pending_data.buffer && optbl[idx].handler != op_getmore)
3281 : {
3282 0 : gpgme_free (pending_data.buffer);
3283 0 : pending_data.buffer = NULL;
3284 : }
3285 :
3286 0 : err = optbl[idx].handler (json, response);
3287 0 : if (err)
3288 : {
3289 0 : if (!(j_tmp = cJSON_GetObjectItem (response, "type"))
3290 0 : || !cjson_is_string (j_tmp)
3291 0 : || strcmp (j_tmp->valuestring, "error"))
3292 : {
3293 : /* No error type response - provide a generic one. */
3294 0 : gpg_error_object (response, err, "Operation failed: %s",
3295 : gpg_strerror (err));
3296 : }
3297 :
3298 0 : xjson_AddStringToObject (response, "op", op);
3299 : }
3300 : }
3301 : }
3302 : else /* Operation not supported. */
3303 : {
3304 0 : error_object (response, "Unknown operation '%s'", op);
3305 0 : xjson_AddStringToObject (response, "op", op);
3306 : }
3307 :
3308 : leave:
3309 0 : if (is_getmore)
3310 : {
3311 : /* For getmore we bypass the encode_and_chunk. */
3312 0 : if (opt_interactive)
3313 0 : res = cJSON_Print (response);
3314 : else
3315 0 : res = cJSON_PrintUnformatted (response);
3316 : }
3317 : else
3318 0 : res = encode_and_chunk (json, response);
3319 0 : if (!res)
3320 : {
3321 : cjson_t err_obj;
3322 :
3323 0 : log_error ("printing JSON data failed\n");
3324 :
3325 0 : err_obj = error_object (NULL, "Printing JSON data failed");
3326 0 : if (opt_interactive)
3327 0 : res = cJSON_Print (err_obj);
3328 0 : res = cJSON_PrintUnformatted (err_obj);
3329 0 : cJSON_Delete (err_obj);
3330 : }
3331 :
3332 0 : cJSON_Delete (json);
3333 0 : cJSON_Delete (response);
3334 :
3335 0 : if (!res)
3336 : {
3337 : /* Can't happen unless we created a broken error_object above */
3338 0 : return xtrystrdup ("Bug: Fatal error in process request\n");
3339 : }
3340 0 : return res;
3341 : }
3342 :
3343 :
3344 :
3345 : /*
3346 : * Driver code
3347 : */
3348 :
3349 : static char *
3350 0 : get_file (const char *fname)
3351 : {
3352 : gpg_error_t err;
3353 : estream_t fp;
3354 : struct stat st;
3355 : char *buf;
3356 : size_t buflen;
3357 :
3358 0 : fp = es_fopen (fname, "r");
3359 0 : if (!fp)
3360 : {
3361 0 : err = gpg_error_from_syserror ();
3362 0 : log_error ("can't open '%s': %s\n", fname, gpg_strerror (err));
3363 0 : return NULL;
3364 : }
3365 :
3366 0 : if (fstat (es_fileno(fp), &st))
3367 : {
3368 0 : err = gpg_error_from_syserror ();
3369 0 : log_error ("can't stat '%s': %s\n", fname, gpg_strerror (err));
3370 0 : es_fclose (fp);
3371 0 : return NULL;
3372 : }
3373 :
3374 0 : buflen = st.st_size;
3375 0 : buf = xmalloc (buflen+1);
3376 0 : if (es_fread (buf, buflen, 1, fp) != 1)
3377 : {
3378 0 : err = gpg_error_from_syserror ();
3379 0 : log_error ("error reading '%s': %s\n", fname, gpg_strerror (err));
3380 0 : es_fclose (fp);
3381 0 : xfree (buf);
3382 0 : return NULL;
3383 : }
3384 0 : buf[buflen] = 0;
3385 0 : es_fclose (fp);
3386 :
3387 0 : return buf;
3388 : }
3389 :
3390 :
3391 : /* Return a malloced line or NULL on EOF. Terminate on read
3392 : * error. */
3393 : static char *
3394 0 : get_line (void)
3395 : {
3396 0 : char *line = NULL;
3397 0 : size_t linesize = 0;
3398 : gpg_error_t err;
3399 0 : size_t maxlength = 2048;
3400 : int n;
3401 : const char *s;
3402 : char *p;
3403 :
3404 : again:
3405 0 : n = es_read_line (es_stdin, &line, &linesize, &maxlength);
3406 0 : if (n < 0)
3407 : {
3408 0 : err = gpg_error_from_syserror ();
3409 0 : log_error ("error reading line: %s\n", gpg_strerror (err));
3410 0 : exit (1);
3411 : }
3412 0 : if (!n)
3413 : {
3414 0 : xfree (line);
3415 0 : line = NULL;
3416 0 : return NULL; /* EOF */
3417 : }
3418 0 : if (!maxlength)
3419 : {
3420 0 : log_info ("line too long - skipped\n");
3421 0 : goto again;
3422 : }
3423 0 : if (memchr (line, 0, n))
3424 0 : log_info ("warning: line shortened due to embedded Nul character\n");
3425 :
3426 0 : if (line[n-1] == '\n')
3427 0 : line[n-1] = 0;
3428 :
3429 : /* Trim leading spaces. */
3430 0 : for (s=line; spacep (s); s++)
3431 : ;
3432 0 : if (s != line)
3433 : {
3434 0 : for (p=line; *s;)
3435 0 : *p++ = *s++;
3436 0 : *p = 0;
3437 0 : n = p - line;
3438 : }
3439 :
3440 0 : return line;
3441 : }
3442 :
3443 :
3444 : /* Process meta commands used with the standard REPL. */
3445 : static char *
3446 0 : process_meta_commands (const char *request)
3447 : {
3448 0 : char *result = NULL;
3449 :
3450 0 : while (spacep (request))
3451 0 : request++;
3452 :
3453 0 : if (!strncmp (request, "help", 4) && (spacep (request+4) || !request[4]))
3454 : {
3455 0 : if (request[4])
3456 : {
3457 0 : char *buf = xstrconcat ("{ \"help\":true, \"op\":\"", request+5,
3458 : "\" }", NULL);
3459 0 : result = process_request (buf);
3460 0 : xfree (buf);
3461 : }
3462 : else
3463 0 : result = process_request ("{ \"op\": \"help\","
3464 : " \"interactive_help\": "
3465 : "\"\\nMeta commands:\\n"
3466 : " ,read FNAME Process data from FILE\\n"
3467 : " ,help CMD Print help for a command\\n"
3468 : " ,quit Terminate process\""
3469 : "}");
3470 : }
3471 0 : else if (!strncmp (request, "quit", 4) && (spacep (request+4) || !request[4]))
3472 0 : exit (0);
3473 0 : else if (!strncmp (request, "read", 4) && (spacep (request+4) || !request[4]))
3474 : {
3475 0 : if (!request[4])
3476 0 : log_info ("usage: ,read FILENAME\n");
3477 : else
3478 : {
3479 0 : char *buffer = get_file (request + 5);
3480 0 : if (buffer)
3481 : {
3482 0 : result = process_request (buffer);
3483 0 : xfree (buffer);
3484 : }
3485 : }
3486 : }
3487 : else
3488 0 : log_info ("invalid meta command\n");
3489 :
3490 0 : return result;
3491 : }
3492 :
3493 :
3494 : /* If STRING has a help response, return the MSG property in a human
3495 : * readable format. */
3496 : static char *
3497 0 : get_help_msg (const char *string)
3498 : {
3499 : cjson_t json, j_type, j_msg;
3500 : const char *msg;
3501 0 : char *buffer = NULL;
3502 : char *p;
3503 :
3504 0 : json = cJSON_Parse (string, NULL);
3505 0 : if (json)
3506 : {
3507 0 : j_type = cJSON_GetObjectItem (json, "type");
3508 0 : if (j_type && cjson_is_string (j_type)
3509 0 : && !strcmp (j_type->valuestring, "help"))
3510 : {
3511 0 : j_msg = cJSON_GetObjectItem (json, "msg");
3512 0 : if (j_msg || cjson_is_string (j_msg))
3513 : {
3514 0 : msg = j_msg->valuestring;
3515 0 : buffer = malloc (strlen (msg)+1);
3516 0 : if (buffer)
3517 : {
3518 0 : for (p=buffer; *msg; msg++)
3519 : {
3520 0 : if (*msg == '\\' && msg[1] == '\n')
3521 0 : *p++ = '\n';
3522 : else
3523 0 : *p++ = *msg;
3524 : }
3525 0 : *p = 0;
3526 : }
3527 : }
3528 : }
3529 0 : cJSON_Delete (json);
3530 : }
3531 0 : return buffer;
3532 : }
3533 :
3534 :
3535 : /* An interactive standard REPL. */
3536 : static void
3537 0 : interactive_repl (void)
3538 : {
3539 0 : char *line = NULL;
3540 0 : char *request = NULL;
3541 0 : char *response = NULL;
3542 : char *p;
3543 : int first;
3544 :
3545 0 : es_setvbuf (es_stdin, NULL, _IONBF, 0);
3546 : #if GPGRT_VERSION_NUMBER >= 0x011d00 /* 1.29 */
3547 0 : es_fprintf (es_stderr, "%s %s ready (enter \",help\" for help)\n",
3548 : gpgrt_strusage (11), gpgrt_strusage (13));
3549 : #endif
3550 : do
3551 : {
3552 0 : es_fputs ("> ", es_stderr);
3553 0 : es_fflush (es_stderr);
3554 0 : es_fflush (es_stdout);
3555 0 : xfree (line);
3556 0 : line = get_line ();
3557 0 : es_fflush (es_stderr);
3558 0 : es_fflush (es_stdout);
3559 :
3560 0 : first = !request;
3561 0 : if (line && *line)
3562 : {
3563 0 : if (!request)
3564 0 : request = xstrdup (line);
3565 : else
3566 0 : request = xstrconcat (request, "\n", line, NULL);
3567 : }
3568 :
3569 0 : if (!line)
3570 0 : es_fputs ("\n", es_stderr);
3571 :
3572 0 : if (!line || !*line || (first && *request == ','))
3573 : {
3574 : /* Process the input. */
3575 0 : xfree (response);
3576 0 : response = NULL;
3577 0 : if (request && *request == ',')
3578 : {
3579 0 : response = process_meta_commands (request+1);
3580 : }
3581 0 : else if (request)
3582 : {
3583 0 : response = process_request (request);
3584 : }
3585 0 : xfree (request);
3586 0 : request = NULL;
3587 :
3588 0 : if (response)
3589 : {
3590 0 : if (opt_interactive)
3591 : {
3592 0 : char *msg = get_help_msg (response);
3593 0 : if (msg)
3594 : {
3595 0 : xfree (response);
3596 0 : response = msg;
3597 : }
3598 : }
3599 :
3600 0 : es_fputs ("===> ", es_stderr);
3601 0 : es_fflush (es_stderr);
3602 0 : for (p=response; *p; p++)
3603 : {
3604 0 : if (*p == '\n')
3605 : {
3606 0 : es_fflush (es_stdout);
3607 0 : es_fputs ("\n===> ", es_stderr);
3608 0 : es_fflush (es_stderr);
3609 : }
3610 : else
3611 0 : es_putc (*p, es_stdout);
3612 : }
3613 0 : es_fflush (es_stdout);
3614 0 : es_fputs ("\n", es_stderr);
3615 : }
3616 : }
3617 : }
3618 0 : while (line);
3619 :
3620 0 : xfree (request);
3621 0 : xfree (response);
3622 0 : xfree (line);
3623 0 : }
3624 :
3625 :
3626 : /* Read and process a single request. */
3627 : static void
3628 0 : read_and_process_single_request (void)
3629 : {
3630 0 : char *line = NULL;
3631 0 : char *request = NULL;
3632 0 : char *response = NULL;
3633 : size_t n;
3634 :
3635 : for (;;)
3636 : {
3637 0 : xfree (line);
3638 0 : line = get_line ();
3639 0 : if (line && *line)
3640 0 : request = (request? xstrconcat (request, "\n", line, NULL)
3641 0 : /**/ : xstrdup (line));
3642 0 : if (!line)
3643 : {
3644 0 : if (request)
3645 : {
3646 0 : xfree (response);
3647 0 : response = process_request (request);
3648 0 : if (response)
3649 : {
3650 0 : es_fputs (response, es_stdout);
3651 0 : if ((n = strlen (response)) && response[n-1] != '\n')
3652 0 : es_fputc ('\n', es_stdout);
3653 : }
3654 0 : es_fflush (es_stdout);
3655 : }
3656 0 : break;
3657 : }
3658 : }
3659 :
3660 0 : xfree (response);
3661 0 : xfree (request);
3662 0 : xfree (line);
3663 0 : }
3664 :
3665 :
3666 : /* The Native Messaging processing loop. */
3667 : static void
3668 0 : native_messaging_repl (void)
3669 : {
3670 : gpg_error_t err;
3671 : uint32_t nrequest, nresponse;
3672 0 : char *request = NULL;
3673 0 : char *response = NULL;
3674 : size_t n;
3675 :
3676 : /* Due to the length octets we need to switch the I/O stream into
3677 : * binary mode. */
3678 0 : es_set_binary (es_stdin);
3679 0 : es_set_binary (es_stdout);
3680 0 : es_setbuf (es_stdin, NULL); /* stdin needs to be unbuffered! */
3681 :
3682 : for (;;)
3683 : {
3684 : /* Read length. Note that the protocol uses native endianness.
3685 : * Is it allowed to call such a thing a well thought out
3686 : * protocol? */
3687 0 : if (es_read (es_stdin, &nrequest, sizeof nrequest, &n))
3688 : {
3689 0 : err = gpg_error_from_syserror ();
3690 0 : log_error ("error reading request header: %s\n", gpg_strerror (err));
3691 0 : break;
3692 : }
3693 0 : if (!n)
3694 0 : break; /* EOF */
3695 0 : if (n != sizeof nrequest)
3696 : {
3697 0 : log_error ("error reading request header: short read\n");
3698 0 : break;
3699 : }
3700 0 : if (nrequest > MAX_REQUEST_SIZE)
3701 : {
3702 0 : log_error ("error reading request: request too long (%zu MiB)\n",
3703 : (size_t)nrequest / (1024*1024));
3704 : /* Fixme: Shall we read the request to the bit bucket and
3705 : * return an error response or just return an error response
3706 : * and terminate? Needs some testing. */
3707 0 : break;
3708 : }
3709 :
3710 : /* Read request. */
3711 0 : request = xtrymalloc (nrequest + 1);
3712 0 : if (!request)
3713 : {
3714 0 : err = gpg_error_from_syserror ();
3715 0 : log_error ("error reading request: Not enough memory for %zu MiB)\n",
3716 : (size_t)nrequest / (1024*1024));
3717 : /* FIXME: See comment above. */
3718 0 : break;
3719 : }
3720 0 : if (es_read (es_stdin, request, nrequest, &n))
3721 : {
3722 0 : err = gpg_error_from_syserror ();
3723 0 : log_error ("error reading request: %s\n", gpg_strerror (err));
3724 0 : break;
3725 : }
3726 0 : if (n != nrequest)
3727 : {
3728 : /* That is a protocol violation. */
3729 0 : xfree (response);
3730 0 : response = error_object_string ("Invalid request:"
3731 : " short read (%zu of %zu bytes)\n",
3732 : n, (size_t)nrequest);
3733 : }
3734 : else /* Process request */
3735 : {
3736 0 : request[n] = '\0'; /* Ensure that request has an end */
3737 0 : if (opt_debug)
3738 0 : log_debug ("request='%s'\n", request);
3739 0 : xfree (response);
3740 0 : response = process_request (request);
3741 0 : if (opt_debug)
3742 0 : log_debug ("response='%s'\n", response);
3743 : }
3744 0 : nresponse = strlen (response);
3745 :
3746 : /* Write response */
3747 0 : if (es_write (es_stdout, &nresponse, sizeof nresponse, &n))
3748 : {
3749 0 : err = gpg_error_from_syserror ();
3750 0 : log_error ("error writing request header: %s\n", gpg_strerror (err));
3751 0 : break;
3752 : }
3753 0 : if (n != sizeof nrequest)
3754 : {
3755 0 : log_error ("error writing request header: short write\n");
3756 0 : break;
3757 : }
3758 0 : if (es_write (es_stdout, response, nresponse, &n))
3759 : {
3760 0 : err = gpg_error_from_syserror ();
3761 0 : log_error ("error writing request: %s\n", gpg_strerror (err));
3762 0 : break;
3763 : }
3764 0 : if (n != nresponse)
3765 : {
3766 0 : log_error ("error writing request: short write\n");
3767 0 : break;
3768 : }
3769 0 : if (es_fflush (es_stdout) || es_ferror (es_stdout))
3770 : {
3771 0 : err = gpg_error_from_syserror ();
3772 0 : log_error ("error writing request: %s\n", gpg_strerror (err));
3773 0 : break;
3774 : }
3775 0 : xfree (response);
3776 0 : response = NULL;
3777 0 : xfree (request);
3778 0 : request = NULL;
3779 : }
3780 :
3781 0 : xfree (response);
3782 0 : xfree (request);
3783 0 : }
3784 :
3785 :
3786 :
3787 : static const char *
3788 0 : my_strusage( int level )
3789 : {
3790 : const char *p;
3791 :
3792 0 : switch (level)
3793 : {
3794 0 : case 9: p = "LGPL-2.1-or-later"; break;
3795 0 : case 11: p = "gpgme-json"; break;
3796 0 : case 13: p = PACKAGE_VERSION; break;
3797 0 : case 14: p = "Copyright (C) 2018 g10 Code GmbH"; break;
3798 0 : case 19: p = "Please report bugs to <" PACKAGE_BUGREPORT ">.\n"; break;
3799 : case 1:
3800 : case 40:
3801 0 : p = "Usage: gpgme-json [OPTIONS]";
3802 0 : break;
3803 : case 41:
3804 0 : p = "Native messaging based GPGME operations.\n";
3805 0 : break;
3806 : case 42:
3807 0 : p = "1"; /* Flag print 40 as part of 41. */
3808 0 : break;
3809 0 : default: p = NULL; break;
3810 : }
3811 0 : return p;
3812 : }
3813 :
3814 : int
3815 0 : main (int argc, char *argv[])
3816 : {
3817 : #if GPGRT_VERSION_NUMBER < 0x011d00 /* 1.29 */
3818 :
3819 : fprintf (stderr, "WARNING: Old libgpg-error - using limited mode\n");
3820 : native_messaging_repl ();
3821 :
3822 : #else /* This is a modern libgp-error. */
3823 :
3824 : enum { CMD_DEFAULT = 0,
3825 : CMD_INTERACTIVE = 'i',
3826 : CMD_SINGLE = 's',
3827 : CMD_LIBVERSION = 501,
3828 0 : } cmd = CMD_DEFAULT;
3829 : enum {
3830 : OPT_DEBUG = 600
3831 : };
3832 :
3833 : static gpgrt_opt_t opts[] = {
3834 : ARGPARSE_c (CMD_INTERACTIVE, "interactive", "Interactive REPL"),
3835 : ARGPARSE_c (CMD_SINGLE, "single", "Single request mode"),
3836 : ARGPARSE_c (CMD_LIBVERSION, "lib-version", "Show library version"),
3837 : ARGPARSE_s_n(OPT_DEBUG, "debug", "Flyswatter"),
3838 :
3839 : ARGPARSE_end()
3840 : };
3841 0 : gpgrt_argparse_t pargs = { &argc, &argv};
3842 :
3843 0 : int log_file_set = 0;
3844 :
3845 0 : gpgrt_set_strusage (my_strusage);
3846 :
3847 : #ifdef HAVE_SETLOCALE
3848 0 : setlocale (LC_ALL, "");
3849 : #endif
3850 0 : gpgme_check_version (NULL);
3851 : #ifdef LC_CTYPE
3852 0 : gpgme_set_locale (NULL, LC_CTYPE, setlocale (LC_CTYPE, NULL));
3853 : #endif
3854 : #ifdef LC_MESSAGES
3855 0 : gpgme_set_locale (NULL, LC_MESSAGES, setlocale (LC_MESSAGES, NULL));
3856 : #endif
3857 :
3858 0 : while (gpgrt_argparse (NULL, &pargs, opts))
3859 : {
3860 0 : switch (pargs.r_opt)
3861 : {
3862 : case CMD_INTERACTIVE:
3863 0 : opt_interactive = 1;
3864 : /* Fall trough. */
3865 : case CMD_SINGLE:
3866 : case CMD_LIBVERSION:
3867 0 : cmd = pargs.r_opt;
3868 0 : break;
3869 :
3870 0 : case OPT_DEBUG: opt_debug = 1; break;
3871 :
3872 : default:
3873 0 : pargs.err = ARGPARSE_PRINT_WARNING;
3874 0 : break;
3875 : }
3876 : }
3877 0 : gpgrt_argparse (NULL, &pargs, NULL);
3878 :
3879 0 : if (!opt_debug)
3880 : {
3881 : /* Handling is similar to GPGME_DEBUG */
3882 0 : const char *s = getenv ("GPGME_JSON_DEBUG");
3883 : const char *s1;
3884 :
3885 0 : if (s && atoi (s) > 0)
3886 : {
3887 0 : opt_debug = 1;
3888 0 : s1 = strchr (s, PATHSEP_C);
3889 0 : if (s1 && strlen (s1) > 2)
3890 : {
3891 0 : s1++;
3892 0 : log_set_file (s1);
3893 0 : log_file_set = 1;
3894 : }
3895 : }
3896 : }
3897 :
3898 0 : if (opt_debug && !log_file_set)
3899 : {
3900 0 : const char *home = getenv ("HOME");
3901 0 : char *file = xstrconcat ("socket://",
3902 : home? home:"/tmp",
3903 : "/.gnupg/S.gpgme-json.log", NULL);
3904 0 : log_set_file (file);
3905 0 : xfree (file);
3906 : }
3907 :
3908 0 : if (opt_debug)
3909 : { int i;
3910 0 : for (i=0; argv[i]; i++)
3911 0 : log_debug ("argv[%d]='%s'\n", i, argv[i]);
3912 : }
3913 :
3914 0 : switch (cmd)
3915 : {
3916 : case CMD_DEFAULT:
3917 0 : native_messaging_repl ();
3918 0 : break;
3919 :
3920 : case CMD_SINGLE:
3921 0 : read_and_process_single_request ();
3922 0 : break;
3923 :
3924 : case CMD_INTERACTIVE:
3925 0 : interactive_repl ();
3926 0 : break;
3927 :
3928 : case CMD_LIBVERSION:
3929 0 : printf ("Version from header: %s (0x%06x)\n",
3930 : GPGME_VERSION, GPGME_VERSION_NUMBER);
3931 0 : printf ("Version from binary: %s\n", gpgme_check_version (NULL));
3932 0 : printf ("Copyright blurb ...:%s\n", gpgme_check_version ("\x01\x01"));
3933 0 : break;
3934 : }
3935 :
3936 0 : if (opt_debug)
3937 0 : log_debug ("ready");
3938 :
3939 : #endif /* This is a modern libgp-error. */
3940 0 : return 0;
3941 : }
3942 : #endif /* libgpg-error >= 1.28 */
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