GNUnet  0.10.x
gnunet-gns-import.c
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1 /*
2  This file is part of GNUnet.
3  Copyright (C) 2012-2013 GNUnet e.V.
4 
5  GNUnet is free software: you can redistribute it and/or modify it
6  under the terms of the GNU Affero General Public License as published
7  by the Free Software Foundation, either version 3 of the License,
8  or (at your option) any later version.
9 
10  GNUnet is distributed in the hope that it will be useful, but
11  WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  Affero General Public License for more details.
14 
15  You should have received a copy of the GNU Affero General Public License
16  along with this program. If not, see <http://www.gnu.org/licenses/>.
17 
18  SPDX-License-Identifier: AGPL3.0-or-later
19 */
26 #include "platform.h"
27 #include <gnunet_util_lib.h>
28 #include <gnunet_gnsrecord_lib.h>
31 
35 static const struct GNUNET_CONFIGURATION_Handle *cfg;
36 
40 static struct GNUNET_IDENTITY_Handle *sh;
41 
46 
50 static struct GNUNET_NAMESTORE_Handle *ns;
51 
55 static char *master_zone_pkey;
56 
61 
65 static char *private_zone_pkey;
66 
70 static char *pin_zone_pkey = "72QC35CO20UJN1E91KPJFNT9TG4CLKAPB4VK9S3Q758S9MLBRKOG";
71 
76 
80 static int found_pin_rec = GNUNET_NO;
81 
85 static int ret;
86 
87 
88 static int
89 run_process_and_wait (int pipe_control,
90  enum GNUNET_OS_InheritStdioFlags std_inheritance,
91  struct GNUNET_DISK_PipeHandle *pipe_stdin,
92  struct GNUNET_DISK_PipeHandle *pipe_stdout,
94  unsigned long *code,
95  const char *filename, ...)
96 {
97  static struct GNUNET_OS_Process *p;
98  int arglen;
99  char *arg;
100  char *args;
101  char *argp;
102  va_list ap, apc1, apc2;
103 
104  va_start (ap, filename);
105  va_copy (apc1, ap);
106  va_copy (apc2, ap);
107  arglen = 0;
108  while (NULL != (arg = va_arg (apc1, char *)))
109  arglen += strlen (arg) + 1;
110  va_end (apc1);
111  args = argp = GNUNET_malloc (arglen);
112  while (NULL != (arg = va_arg (apc2, char *)))
113  {
114  strcpy (argp, arg);
115  argp += strlen (arg);
116  *argp = ' ';
117  argp += 1;
118  }
119  va_end (apc2);
120  if (arglen > 0)
121  argp[-1] = '\0';
122  p = GNUNET_OS_start_process_va (pipe_control, std_inheritance,
123  pipe_stdin,
124  pipe_stdout,
125  NULL,
126  filename, ap);
127  va_end (ap);
128  if (NULL == p)
129  {
130  ret = 3;
131  fprintf (stderr, "Failed to run `%s'\n", args);
132  GNUNET_free (args);
133  return 1;
134  }
135 
137  {
138  ret = 4;
139  fprintf (stderr, "Failed to wait for `%s'\n", args);
140  GNUNET_free (args);
141  return 1;
142  }
143 
144  switch (GNUNET_OS_process_status (p, st, code))
145  {
146  case GNUNET_OK:
147  break;
148  case GNUNET_NO:
149  ret = 5;
150  fprintf (stderr, "`%s' is still running\n", args);
151  GNUNET_free (args);
152  return 1;
153  default:
154  case GNUNET_SYSERR:
155  ret = 6;
156  fprintf (stderr, "Failed to check the status of `%s'\n", args);
157  GNUNET_free (args);
158  return 1;
159  }
160 #ifdef WINDOWS
161  if (GNUNET_OS_PROCESS_EXITED != *st || 0 != *code)
162  {
163  ret = 7;
164  fprintf (stderr, "`%s' did not end correctly (%d, %d)\n", args, *st, *code);
165  return 1;
166  }
167 #endif
168  return 0;
169 }
170 
171 static void
172 check_pkey (unsigned int rd_len, const struct GNUNET_GNSRECORD_Data *rd,
173  char *pk, int *found_rec)
174 {
175  int i;
176  for (i = 0; i < rd_len; i++)
177  {
178  char *s;
179  if (GNUNET_GNSRECORD_TYPE_PKEY != rd[i].record_type ||
180  rd[i].data_size != sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey))
181  continue;
182  s = GNUNET_GNSRECORD_value_to_string (rd[i].record_type,
183  rd[i].data,
184  rd[i].data_size);
185  if (NULL == s)
186  continue;
187  if (0 == strcmp (s, pk))
188  *found_rec = GNUNET_YES;
189  GNUNET_free (s);
190  }
191 }
192 
202 static void
203 zone_iterator (void *cls,
204  const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone_key,
205  const char *rname, unsigned int rd_len,
206  const struct GNUNET_GNSRECORD_Data *rd)
207 {
208  if (NULL != rname)
209  {
210  if (0 == strcmp (rname, "private"))
212  else if (0 == strcmp (rname, "pin"))
213  check_pkey (rd_len, rd, pin_zone_pkey, &found_pin_rec);
214  }
216 }
217 
218 static void
220 {
222  unsigned long code;
223  if (!found_private_rec)
224  {
225  if (0 != run_process_and_wait (GNUNET_NO, GNUNET_OS_INHERIT_STD_OUT_AND_ERR, NULL, NULL, &st, &code,
226  "gnunet-namestore",
227  "gnunet-namestore", "-z", "master-zone", "-a", "-e", "never", "-n", "private", "-p", "-t", "PKEY", "-V", private_zone_pkey, NULL))
228  {
229  ret = 8;
230  return;
231  }
232  }
233  if (!found_pin_rec)
234  {
235  if (0 != run_process_and_wait (GNUNET_NO, GNUNET_OS_INHERIT_STD_OUT_AND_ERR, NULL, NULL, &st, &code,
236  "gnunet-namestore",
237  "gnunet-namestore", "-z", "master-zone", "-a", "-e", "never", "-n", "pin", "-p", "-t", "PKEY", "-V", pin_zone_pkey, NULL))
238  {
239  ret = 10;
240  return;
241  }
242  }
243  list_it = NULL;
245 }
246 
247 
248 static void
250 {
251 }
252 
253 
287 static void
288 get_ego (void *cls,
289  struct GNUNET_IDENTITY_Ego *ego,
290  void **ctx,
291  const char *identifier)
292 {
293  static struct GNUNET_CRYPTO_EcdsaPublicKey pk;
294  if (NULL == ego)
295  {
296  if (NULL == master_zone_pkey ||
297  NULL == private_zone_pkey)
298  {
299  ret = 11;
301  return;
302  }
305  if (NULL == list_it)
306  {
307  ret = 12;
309  }
310  return;
311  }
313  if (NULL != identifier)
314  {
315  if (NULL == master_zone_pkey && 0 == strcmp ("master-zone", identifier))
316  {
319  }
320  else if (NULL == private_zone_pkey && 0 == strcmp ("private-zone", identifier))
322  }
323 }
324 
330 static void
331 shutdown_task (void *cls)
332 {
334  master_zone_pkey = NULL;
336  private_zone_pkey = NULL;
337  if (NULL != list_it)
338  {
340  list_it = NULL;
341  }
342  if (NULL != ns)
343  {
345  ns = NULL;
346  }
347  if (NULL != sh)
348  {
350  sh = NULL;
351  }
352 }
353 
362 static void
363 run (void *cls, char *const *args, const char *cfgfile,
364  const struct GNUNET_CONFIGURATION_Handle *c)
365 {
367  unsigned long code;
368 
369  cfg = c;
370 
371  if (0 != run_process_and_wait (GNUNET_NO, 0, NULL, NULL, &st, &code,
372  "gnunet-arm",
373  "gnunet-arm", "-I", NULL))
374  {
375  if (7 == ret)
376  fprintf (stderr, "GNUnet is not running, please start GNUnet before running import\n");
377  return;
378  }
379 
380  if (0 != run_process_and_wait (GNUNET_NO, GNUNET_OS_INHERIT_STD_OUT_AND_ERR, NULL, NULL, &st, &code,
381  "gnunet-identity",
382  "gnunet-identity", "-C", "master-zone", NULL))
383  return;
384 
385  if (0 != run_process_and_wait (GNUNET_NO, GNUNET_OS_INHERIT_STD_OUT_AND_ERR, NULL, NULL, &st, &code,
386  "gnunet-identity",
387  "gnunet-identity", "-C", "private-zone", NULL))
388  return;
389 
390  if (0 != run_process_and_wait (GNUNET_NO, GNUNET_OS_INHERIT_STD_OUT_AND_ERR, NULL, NULL, &st, &code,
391  "gnunet-identity",
392  "gnunet-identity", "-C", "sks-zone", NULL))
393  return;
394 
395  if (0 != run_process_and_wait (GNUNET_NO, GNUNET_OS_INHERIT_STD_OUT_AND_ERR, NULL, NULL, &st, &code,
396  "gnunet-identity",
397  "gnunet-identity", "-e", "master-zone", "-s", "gns-master", NULL))
398  return;
399 
400  if (0 != run_process_and_wait (GNUNET_NO, GNUNET_OS_INHERIT_STD_OUT_AND_ERR, NULL, NULL, &st, &code,
401  "gnunet-identity",
402  "gnunet-identity", "-e", "master-zone", "-s", "namestore", NULL))
403  return;
404 
405  if (0 != run_process_and_wait (GNUNET_NO, GNUNET_OS_INHERIT_STD_OUT_AND_ERR, NULL, NULL, &st, &code,
406  "gnunet-identity",
407  "gnunet-identity", "-e", "master-zone", "-s", "gns-proxy", NULL))
408  return;
409 
410  if (0 != run_process_and_wait (GNUNET_NO, GNUNET_OS_INHERIT_STD_OUT_AND_ERR, NULL, NULL, &st, &code,
411  "gnunet-identity",
412  "gnunet-identity", "-e", "master-zone", "-s", "gns-intercept", NULL))
413  return;
414 
415  if (0 != run_process_and_wait (GNUNET_NO, GNUNET_OS_INHERIT_STD_OUT_AND_ERR, NULL, NULL, &st, &code,
416  "gnunet-identity",
417  "gnunet-identity", "-e", "private-zone", "-s", "gns-private", NULL))
418  return;
419 
420  if (0 != run_process_and_wait (GNUNET_NO, GNUNET_OS_INHERIT_STD_OUT_AND_ERR, NULL, NULL, &st, &code,
421  "gnunet-identity",
422  "gnunet-identity", "-e", "sks-zone", "-s", "fs-sks", NULL))
423  return;
424 
425  ns = GNUNET_NAMESTORE_connect (cfg);
426  sh = GNUNET_IDENTITY_connect (cfg, &get_ego, NULL);
428 }
429 
430 
438 int
439 main (int argc, char *const *argv)
440 {
441  static const struct GNUNET_GETOPT_CommandLineOption options[] = {
443  };
444  int r;
445 
446  if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
447  return 2;
448 
449  GNUNET_log_setup ("gnunet-gns-import", "WARNING", NULL);
450  ret = 0;
451  r = GNUNET_PROGRAM_run (argc, argv, "gnunet-gns-import",
452  _("This program will import some GNS authorities into your GNS namestore."),
453  options,
454  &run, NULL);
455  GNUNET_free ((void*) argv);
456  return GNUNET_OK == r ? ret : 1;
457 }
458 
459 /* end of gnunet-gns-import.c */
struct GNUNET_IDENTITY_Handle * GNUNET_IDENTITY_connect(const struct GNUNET_CONFIGURATION_Handle *cfg, GNUNET_IDENTITY_Callback cb, void *cb_cls)
Connect to the identity service.
Definition: identity_api.c:528
GNUNET_OS_InheritStdioFlags
Flags that determine which of the standard streams should be inherited by the child process...
Definition: gnunet_os_lib.h:68
static struct GNUNET_CRYPTO_EddsaPrivateKey * pk
Private key of this peer.
static char * pin_zone_pkey
String version of PKEY for pin-zone.
static char * private_zone_pkey
String version of PKEY for private-zone.
int main(int argc, char *const *argv)
The main function for gnunet-gns.
int GNUNET_OS_process_status(struct GNUNET_OS_Process *proc, enum GNUNET_OS_ProcessStatusType *type, unsigned long *code)
Retrieve the status of a process, waiting on it if dead.
Definition: os_priority.c:1719
static const struct GNUNET_CONFIGURATION_Handle * cfg
Configuration we are using.
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_shutdown(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run on shutdown, that is when a CTRL-C signal is received, or when GNUNET_SCHEDULER_shutdown() is being invoked.
Definition: scheduler.c:1293
struct GNUNET_NAMESTORE_ZoneIterator * GNUNET_NAMESTORE_zone_iteration_start(struct GNUNET_NAMESTORE_Handle *h, const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone, GNUNET_SCHEDULER_TaskCallback error_cb, void *error_cb_cls, GNUNET_NAMESTORE_RecordMonitor proc, void *proc_cls, GNUNET_SCHEDULER_TaskCallback finish_cb, void *finish_cb_cls)
Starts a new zone iteration (used to periodically PUT all of our records into our DHT)...
struct GNUNET_NAMESTORE_ZoneIterator * list_it
Zone iterator for master zone.
int GNUNET_STRINGS_get_utf8_args(int argc, char *const *argv, int *u8argc, char *const **u8argv)
Returns utf-8 encoded arguments.
Definition: strings.c:1521
const struct GNUNET_CRYPTO_EcdsaPrivateKey * GNUNET_IDENTITY_ego_get_private_key(const struct GNUNET_IDENTITY_Ego *ego)
Obtain the ECC key associated with a ego.
Definition: identity_api.c:556
static struct GNUNET_CRYPTO_EcdsaPrivateKey master_pk
Binary version of PKEY for master-zone.
#define GNUNET_NO
Definition: gnunet_common.h:81
static int run_process_and_wait(int pipe_control, enum GNUNET_OS_InheritStdioFlags std_inheritance, struct GNUNET_DISK_PipeHandle *pipe_stdin, struct GNUNET_DISK_PipeHandle *pipe_stdout, enum GNUNET_OS_ProcessStatusType *st, unsigned long *code, const char *filename,...)
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:78
#define GNUNET_free_non_null(ptr)
Free the memory pointed to by ptr if ptr is not NULL.
Definition of a command line option.
void GNUNET_NAMESTORE_zone_iterator_next(struct GNUNET_NAMESTORE_ZoneIterator *it, uint64_t limit)
Calls the record processor specified in GNUNET_NAMESTORE_zone_iteration_start for the next record...
Private ECC key encoded for transmission.
struct GNUNET_OS_Process * GNUNET_OS_start_process_va(int pipe_control, enum GNUNET_OS_InheritStdioFlags std_inheritance, struct GNUNET_DISK_PipeHandle *pipe_stdin, struct GNUNET_DISK_PipeHandle *pipe_stdout, struct GNUNET_DISK_PipeHandle *pipe_stderr, const char *filename, va_list va)
Start a process.
Definition: os_priority.c:1353
void GNUNET_SCHEDULER_shutdown(void)
Request the shutdown of a scheduler.
Definition: scheduler.c:524
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_OPTION_END
Definition: 002.c:13
static struct GNUNET_DNSSTUB_Context * ctx
Context for DNS resolution.
#define _(String)
GNU gettext support macro.
Definition: platform.h:208
static void zone_iteration_finished(void *cls)
void GNUNET_NAMESTORE_disconnect(struct GNUNET_NAMESTORE_Handle *h)
Disconnect from the namestore service (and free associated resources).
Handle for a zone iterator operation.
Handle for an ego.
Definition: identity.h:245
static struct GNUNET_OS_Process * p
Helper process we started.
Definition: gnunet-qr.c:59
#define GNUNET_GNSRECORD_TYPE_PKEY
Record type for GNS zone transfer ("PKEY").
Connection to the NAMESTORE service.
Handle for the service.
Definition: identity_api.c:96
GNUNET_OS_ProcessStatusType
Process status types.
static void run(void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *c)
Main function that will be run.
static char * filename
void GNUNET_IDENTITY_disconnect(struct GNUNET_IDENTITY_Handle *h)
Disconnect from identity service.
Definition: identity_api.c:838
static int found_pin_rec
Set to GNUNET_YES if pin record was found;.
The process exited with a return code.
void GNUNET_NAMESTORE_zone_iteration_stop(struct GNUNET_NAMESTORE_ZoneIterator *it)
Stops iteration and releases the namestore handle for further calls.
When these flags are set, the child process will inherit stdout and stderr of the parent...
Definition: gnunet_os_lib.h:98
char * GNUNET_CRYPTO_ecdsa_public_key_to_string(const struct GNUNET_CRYPTO_EcdsaPublicKey *pub)
Convert a public key to a string.
Definition: crypto_ecc.c:334
#define GNUNET_SYSERR
Definition: gnunet_common.h:79
struct GNUNET_NAMESTORE_Handle * GNUNET_NAMESTORE_connect(const struct GNUNET_CONFIGURATION_Handle *cfg)
Connect to the namestore service.
static int found_private_rec
Set to GNUNET_YES if private record was found;.
static int ret
Exit code.
static struct GNUNET_NAMESTORE_Handle * ns
Handle to the namestore.
void GNUNET_IDENTITY_ego_get_public_key(const struct GNUNET_IDENTITY_Ego *ego, struct GNUNET_CRYPTO_EcdsaPublicKey *pk)
Get the identifier (public key) of an ego.
Definition: identity_api.c:569
static void get_ego(void *cls, struct GNUNET_IDENTITY_Ego *ego, void **ctx, const char *identifier)
Get master-zone and private-zone keys.
static char * master_zone_pkey
String version of PKEY for master-zone.
static void shutdown_task(void *cls)
Task run on shutdown.
int GNUNET_OS_process_wait(struct GNUNET_OS_Process *proc)
Wait for a process to terminate.
Definition: os_priority.c:1762
configuration data
Definition: configuration.c:85
static void check_pkey(unsigned int rd_len, const struct GNUNET_GNSRECORD_Data *rd, char *pk, int *found_rec)
static void zone_iterator(void *cls, const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone_key, const char *rname, unsigned int rd_len, const struct GNUNET_GNSRECORD_Data *rd)
Process a record that was stored in the namestore.
Public ECC key (always for Curve25519) encoded in a format suitable for network transmission and ECDS...
int GNUNET_PROGRAM_run(int argc, char *const *argv, const char *binaryName, const char *binaryHelp, const struct GNUNET_GETOPT_CommandLineOption *options, GNUNET_PROGRAM_Main task, void *task_cls)
Run a standard GNUnet command startup sequence (initialize loggers and configuration, parse options).
Definition: program.c:361
#define GNUNET_YES
Definition: gnunet_common.h:80
static struct GNUNET_IDENTITY_Handle * sh
Handle to IDENTITY service.
int GNUNET_log_setup(const char *comp, const char *loglevel, const char *logfile)
Setup logging.
static struct GNUNET_SCHEDULER_Task * st
The shutdown task.
uint32_t data
The data value.
char * GNUNET_GNSRECORD_value_to_string(uint32_t type, const void *data, size_t data_size)
Convert the &#39;value&#39; of a record to a string.
Definition: gnsrecord.c:143
static size_t data_size
Number of bytes in data.
Handle used to manage a pipe.
Definition: disk.c:66
#define GNUNET_malloc(size)
Wrapper around malloc.
#define GNUNET_free(ptr)
Wrapper around free.
static void zone_iteration_error(void *cls)