1 files changed, 498 insertions, 0 deletions

diff --git a/src/service/gns/gnunet-gns-import.c b/src/service/gns/gnunet-gns-import.c
new file mode 100644
index 000000000..5d4602682
--- /dev/null
+++ b/src/service/gns/gnunet-gns-import.c
@@ -0,0 +1,498 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2012-2013 GNUnet e.V.
+
+     GNUnet is free software: you can redistribute it and/or modify it
+     under the terms of the GNU Affero General Public License as published
+     by the Free Software Foundation, either version 3 of the License,
+     or (at your option) any later version.
+
+     GNUnet is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     Affero General Public License for more details.
+
+     You should have received a copy of the GNU Affero General Public License
+     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+     SPDX-License-Identifier: AGPL3.0-or-later
+ */
+/**
+ * @file gnunet-gns.c
+ * @brief binary version of gnunet-gns-import.sh
+ *        (for OSes that have no POSIX shell).
+ * @author LRN
+ */
+#include "platform.h"
+#include <gnunet_util_lib.h>
+#include <gnunet_gnsrecord_lib.h>
+#include <gnunet_identity_service.h>
+#include <gnunet_namestore_service.h>
+
+/**
+ * Configuration we are using.
+ */
+static const struct GNUNET_CONFIGURATION_Handle *cfg;
+
+/**
+ * Handle to IDENTITY service.
+ */
+static struct GNUNET_IDENTITY_Handle *sh;
+
+/**
+ * Zone iterator for master zone
+ */
+struct GNUNET_NAMESTORE_ZoneIterator *list_it;
+
+/**
+ * Handle to the namestore.
+ */
+static struct GNUNET_NAMESTORE_Handle *ns;
+
+/**
+ * String version of PKEY for master-zone.
+ */
+static char *master_zone_pkey;
+
+/**
+ * Binary version of PKEY for master-zone.
+ */
+static struct GNUNET_CRYPTO_EcdsaPrivateKey master_pk;
+
+/**
+ * String version of PKEY for private-zone.
+ */
+static char *private_zone_pkey;
+
+/**
+ * String version of PKEY for pin-zone.
+ */
+static char *pin_zone_pkey =
+  "72QC35CO20UJN1E91KPJFNT9TG4CLKAPB4VK9S3Q758S9MLBRKOG";
+
+/**
+ * Set to GNUNET_YES if private record was found;
+ */
+static int found_private_rec = GNUNET_NO;
+
+/**
+ * Set to GNUNET_YES if pin record was found;
+ */
+static int found_pin_rec = GNUNET_NO;
+
+/**
+ * Exit code.
+ */
+static int ret;
+
+
+static int
+run_process_and_wait (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, ...)
+{
+  static struct GNUNET_OS_Process *p;
+  int arglen;
+  char *arg;
+  char *args;
+  char *argp;
+  va_list ap, apc1, apc2;
+
+  va_start (ap, filename);
+  va_copy (apc1, ap);
+  va_copy (apc2, ap);
+  arglen = 0;
+  while (NULL != (arg = va_arg (apc1, char *)))
+    arglen += strlen (arg) + 1;
+  va_end (apc1);
+  args = argp = GNUNET_malloc (arglen);
+  while (NULL != (arg = va_arg (apc2, char *)))
+  {
+    strcpy (argp, arg);
+    argp += strlen (arg);
+    *argp = ' ';
+    argp += 1;
+  }
+  va_end (apc2);
+  if (arglen > 0)
+    argp[-1] = '\0';
+  p = GNUNET_OS_start_process_va (std_inheritance,
+                                  pipe_stdin,
+                                  pipe_stdout,
+                                  NULL,
+                                  filename, ap);
+  va_end (ap);
+  if (NULL == p)
+  {
+    ret = 3;
+    fprintf (stderr, "Failed to run `%s'\n", args);
+    GNUNET_free (args);
+    return 1;
+  }
+
+  if (GNUNET_OK != GNUNET_OS_process_wait (p))
+  {
+    ret = 4;
+    fprintf (stderr, "Failed to wait for `%s'\n", args);
+    GNUNET_free (args);
+    return 1;
+  }
+
+  switch (GNUNET_OS_process_status (p, st, code))
+  {
+  case GNUNET_OK:
+    break;
+
+  case GNUNET_NO:
+    ret = 5;
+    fprintf (stderr, "`%s' is still running\n", args);
+    GNUNET_free (args);
+    return 1;
+
+  default:
+  case GNUNET_SYSERR:
+    ret = 6;
+    fprintf (stderr, "Failed to check the status of `%s'\n", args);
+    GNUNET_free (args);
+    return 1;
+  }
+  return 0;
+}
+
+
+static void
+check_pkey (unsigned int rd_len, const struct GNUNET_GNSRECORD_Data *rd,
+            char *pk, int *found_rec)
+{
+  int i;
+  struct GNUNET_CRYPTO_PublicKey pubkey;
+
+  for (i = 0; i < rd_len; i++)
+  {
+    char *s;
+    if (sizeof (uint32_t) > rd[i].data_size)
+      continue;
+    if (GNUNET_OK != GNUNET_GNSRECORD_identity_from_data (rd[i].data,
+                                                          rd[i].data_size,
+                                                          rd[i].record_type,
+                                                          &pubkey))
+      continue;
+    s = GNUNET_GNSRECORD_value_to_string (rd[i].record_type,
+                                          rd[i].data,
+                                          rd[i].data_size);
+    if (NULL == s)
+      continue;
+    if (0 == strcmp (s, pk))
+      *found_rec = GNUNET_YES;
+    GNUNET_free (s);
+  }
+}
+
+
+/**
+ * Process a record that was stored in the namestore.
+ *
+ * @param cls closure
+ * @param zone_key private key of the zone
+ * @param rname name that is being mapped (at most 255 characters long)
+ * @param rd_len number of entries in @a rd array
+ * @param rd array of records with data to store
+ */
+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)
+{
+  if (NULL != rname)
+  {
+    if (0 == strcmp (rname, "private"))
+      check_pkey (rd_len, rd, private_zone_pkey, &found_private_rec);
+    else if (0 == strcmp (rname, "pin"))
+      check_pkey (rd_len, rd, pin_zone_pkey, &found_pin_rec);
+  }
+  GNUNET_NAMESTORE_zone_iterator_next (list_it);
+}
+
+
+static void
+zone_iteration_error (void *cls)
+{
+  enum GNUNET_OS_ProcessStatusType st;
+  unsigned long code;
+
+  if (! found_private_rec)
+  {
+    if (0 != run_process_and_wait (GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
+                                   NULL, NULL, &st, &code,
+                                   "gnunet-namestore",
+                                   "gnunet-namestore", "-z", "master-zone",
+                                   "-a", "-e", "never", "-n", "private", "-p",
+                                   "-t", "PKEY", "-V",
+                                   private_zone_pkey, NULL))
+    {
+      ret = 8;
+      return;
+    }
+  }
+  if (! found_pin_rec)
+  {
+    if (0 != run_process_and_wait (GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
+                                   NULL, NULL, &st, &code,
+                                   "gnunet-namestore",
+                                   "gnunet-namestore", "-z", "master-zone",
+                                   "-a", "-e", "never", "-n", "pin", "-p", "-t",
+                                   "PKEY", "-V", pin_zone_pkey,
+                                   NULL))
+    {
+      ret = 10;
+      return;
+    }
+  }
+  list_it = NULL;
+  GNUNET_SCHEDULER_shutdown ();
+}
+
+
+static void
+zone_iteration_finished (void *cls)
+{
+}
+
+
+/**
+ * Get master-zone and private-zone keys.
+ *
+ * This function is initially called for all egos and then again
+ * whenever a ego's identifier changes or if it is deleted.  At the
+ * end of the initial pass over all egos, the function is once called
+ * with 'NULL' for 'ego'. That does NOT mean that the callback won't
+ * be invoked in the future or that there was an error.
+ *
+ * When used with 'GNUNET_IDENTITY_create' or 'GNUNET_IDENTITY_get', this
+ * function is only called ONCE, and 'NULL' being passed in 'ego' does
+ * indicate an error (for example because name is taken or no default value is
+ * known).  If 'ego' is non-NULL and if '*ctx' is set in those callbacks, the
+ * value WILL be passed to a subsequent call to the identity callback of
+ * 'GNUNET_IDENTITY_connect' (if that one was not NULL).
+ *
+ * When an identity is renamed, this function is called with the
+ * (known) ego but the NEW identifier.
+ *
+ * When an identity is deleted, this function is called with the
+ * (known) ego and "NULL" for the 'identifier'.  In this case,
+ * the 'ego' is henceforth invalid (and the 'ctx' should also be
+ * cleaned up).
+ *
+ * @param cls closure
+ * @param ego ego handle
+ * @param ctx context for application to store data for this ego
+ *                 (during the lifetime of this process, initially NULL)
+ * @param identifier identifier assigned by the user for this ego,
+ *                   NULL if the user just deleted the ego and it
+ *                   must thus no longer be used
+ */
+static void
+get_ego (void *cls,
+         struct GNUNET_IDENTITY_Ego *ego,
+         void **ctx,
+         const char *identifier)
+{
+  static struct GNUNET_CRYPTO_EcdsaPublicKey pk;
+
+  if (NULL == ego)
+  {
+    if ((NULL == master_zone_pkey) ||
+        (NULL == private_zone_pkey) )
+    {
+      ret = 11;
+      GNUNET_SCHEDULER_shutdown ();
+      return;
+    }
+    list_it = GNUNET_NAMESTORE_zone_iteration_start (ns,
+                                                     &master_pk,
+                                                     &zone_iteration_error,
+                                                     NULL, &zone_iterator, NULL,
+                                                     &zone_iteration_finished,
+                                                     NULL);
+    if (NULL == list_it)
+    {
+      ret = 12;
+      GNUNET_SCHEDULER_shutdown ();
+    }
+    return;
+  }
+  GNUNET_IDENTITY_ego_get_public_key (ego, &pk);
+  if (NULL != identifier)
+  {
+    if ((NULL == master_zone_pkey) && (0 == strcmp ("master-zone",
+                                                    identifier)) )
+    {
+      master_zone_pkey = GNUNET_CRYPTO_ecdsa_public_key_to_string (&pk);
+      master_pk = *GNUNET_IDENTITY_ego_get_private_key (ego);
+    }
+    else if ((NULL == private_zone_pkey) && (0 == strcmp ("private-zone",
+                                                          identifier)) )
+      private_zone_pkey = GNUNET_CRYPTO_ecdsa_public_key_to_string (&pk);
+  }
+}
+
+
+/**
+ * Task run on shutdown.
+ *
+ * @param cls NULL
+ */
+static void
+shutdown_task (void *cls)
+{
+  GNUNET_free (master_zone_pkey);
+  master_zone_pkey = NULL;
+  GNUNET_free (private_zone_pkey);
+  private_zone_pkey = NULL;
+  if (NULL != list_it)
+  {
+    GNUNET_NAMESTORE_zone_iteration_stop (list_it);
+    list_it = NULL;
+  }
+  if (NULL != ns)
+  {
+    GNUNET_NAMESTORE_disconnect (ns);
+    ns = NULL;
+  }
+  if (NULL != sh)
+  {
+    GNUNET_IDENTITY_disconnect (sh);
+    sh = NULL;
+  }
+}
+
+
+/**
+ * Main function that will be run.
+ *
+ * @param cls closure
+ * @param args remaining command-line arguments
+ * @param cfgfile name of the configuration file used (for saving, can be NULL!)
+ * @param c configuration
+ */
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *c)
+{
+  enum GNUNET_OS_ProcessStatusType st;
+  unsigned long code;
+
+  cfg = c;
+
+  if (0 != run_process_and_wait (GNUNET_OS_INHERIT_STD_NONE,
+                                 NULL, NULL, &st, &code,
+                                 "gnunet-arm",
+                                 "gnunet-arm", "-I", NULL))
+  {
+    if (7 == ret)
+      fprintf (stderr,
+               "GNUnet is not running, please start GNUnet before running import\n");
+    return;
+  }
+
+  if (0 != run_process_and_wait (GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
+                                 NULL, NULL, &st, &code,
+                                 "gnunet-identity",
+                                 "gnunet-identity", "-C", "master-zone", NULL))
+    return;
+
+  if (0 != run_process_and_wait (GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
+                                 NULL, NULL, &st, &code,
+                                 "gnunet-identity",
+                                 "gnunet-identity", "-C", "private-zone", NULL))
+    return;
+
+  if (0 != run_process_and_wait (GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
+                                 NULL, NULL, &st, &code,
+                                 "gnunet-identity",
+                                 "gnunet-identity", "-C", "sks-zone", NULL))
+    return;
+
+  if (0 != run_process_and_wait (GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
+                                 NULL, NULL, &st, &code,
+                                 "gnunet-identity",
+                                 "gnunet-identity", "-e", "master-zone", "-s",
+                                 "gns-master", NULL))
+    return;
+
+  if (0 != run_process_and_wait (GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
+                                 NULL, NULL, &st, &code,
+                                 "gnunet-identity",
+                                 "gnunet-identity", "-e", "master-zone", "-s",
+                                 "namestore", NULL))
+    return;
+
+  if (0 != run_process_and_wait (GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
+                                 NULL, NULL, &st, &code,
+                                 "gnunet-identity",
+                                 "gnunet-identity", "-e", "master-zone", "-s",
+                                 "gns-proxy", NULL))
+    return;
+
+  if (0 != run_process_and_wait (GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
+                                 NULL, NULL, &st, &code,
+                                 "gnunet-identity",
+                                 "gnunet-identity", "-e", "master-zone", "-s",
+                                 "gns-intercept", NULL))
+    return;
+
+  if (0 != run_process_and_wait (GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
+                                 NULL, NULL, &st, &code,
+                                 "gnunet-identity",
+                                 "gnunet-identity", "-e", "private-zone", "-s",
+                                 "gns-private", NULL))
+    return;
+
+  if (0 != run_process_and_wait (GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
+                                 NULL, NULL, &st, &code,
+                                 "gnunet-identity",
+                                 "gnunet-identity", "-e", "sks-zone", "-s",
+                                 "fs-sks", NULL))
+    return;
+
+  ns = GNUNET_NAMESTORE_connect (cfg);
+  sh = GNUNET_IDENTITY_connect (cfg, &get_ego, NULL);
+  GNUNET_SCHEDULER_add_shutdown (&shutdown_task, NULL);
+}
+
+
+/**
+ * The main function for gnunet-gns.
+ *
+ * @param argc number of arguments from the command line
+ * @param argv command line arguments
+ * @return 0 ok, 1 on error
+ */
+int
+main (int argc, char *const *argv)
+{
+  static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+  int r;
+
+  if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+    return 2;
+
+  GNUNET_log_setup ("gnunet-gns-import", "WARNING", NULL);
+  ret = 0;
+  r = GNUNET_PROGRAM_run (argc, argv, "gnunet-gns-import",
+                          _ (
+                            "This program will import some GNS authorities into your GNS namestore."),
+                          options,
+                          &run, NULL);
+  GNUNET_free_nz ((void *) argv);
+  return GNUNET_OK == r ? ret : 1;
+}
+
+
+/* end of gnunet-gns-import.c */