From 1c10ce20375a5dffb575cea7fd330a805ef3d7a1 Mon Sep 17 00:00:00 2001
From: Sree Harsha Totakura <totakura@in.tum.de>
Date: Wed, 8 Jan 2014 21:29:32 +0000
Subject: - utility to list peer ids from a given hostkeys file

---
 src/testing/Makefile.am |   9 ++++
 src/testing/list-keys.c | 109 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 118 insertions(+)
 create mode 100644 src/testing/list-keys.c

(limited to 'src/testing')

diff --git a/src/testing/Makefile.am b/src/testing/Makefile.am
index f27b46ed0..8657d42cb 100644
--- a/src/testing/Makefile.am
+++ b/src/testing/Makefile.am
@@ -30,6 +30,9 @@ libgnunettesting_la_LDFLAGS = \
 bin_PROGRAMS = \
  gnunet-testing
 
+noinst_PROGRAMS = \
+ list-keys
+
 gnunet_testing_SOURCES = \
  gnunet-testing.c         
 gnunet_testing_LDADD = \
@@ -39,6 +42,12 @@ gnunet_testing_LDADD = \
 gnunet_testing_DEPENDENCIES = \
  libgnunettesting.la
 
+list_keys_SOURCES = \
+ list-keys.c
+list_keys_LDADD = \
+ $(top_builddir)/src/util/libgnunetutil.la \
+ $(GN_LIBINTL)
+
 
 check_PROGRAMS = \
  test_testing_portreservation \
diff --git a/src/testing/list-keys.c b/src/testing/list-keys.c
new file mode 100644
index 000000000..1c469adcc
--- /dev/null
+++ b/src/testing/list-keys.c
@@ -0,0 +1,109 @@
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_testing_lib.h"
+
+static unsigned int nkeys;
+static unsigned int nskip;
+static int result;
+
+
+
+
+
+/**
+ * Main run function.
+ *
+ * @param cls NULL
+ * @param args arguments passed to GNUNET_PROGRAM_run
+ * @param cfgfile the path to configuration file
+ * @param cfg the configuration file handle
+ */
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *config)
+{
+  char *idfile;
+  struct GNUNET_DISK_FileHandle *f;
+  void *data;
+  struct GNUNET_DISK_MapHandle *map;
+  struct GNUNET_CRYPTO_EddsaPrivateKey pkey;
+  struct GNUNET_PeerIdentity id;
+  unsigned int cnt;
+  uint64_t fsize;
+  unsigned int nmax;
+
+  if ((NULL == args) || (NULL == args[0]))
+  {
+    FPRINTF (stderr, "Need the hostkey file\n");
+    return;
+  }
+  idfile = args[0];
+  if (GNUNET_OK !=
+      GNUNET_DISK_file_size (idfile, &fsize, GNUNET_YES, GNUNET_YES))
+  {
+    GNUNET_break (0);
+    return;
+  }
+  if (0 != (fsize % GNUNET_TESTING_HOSTKEYFILESIZE))
+  {
+    FPRINTF (stderr,
+             _("Incorrect hostkey file format: %s\n"), idfile);
+    return;
+  }
+  f = GNUNET_DISK_file_open (idfile, GNUNET_DISK_OPEN_READ,
+                             GNUNET_DISK_PERM_NONE);
+  if (NULL == f)
+  {
+    GNUNET_break (0);
+    return;
+  }
+  data = GNUNET_DISK_file_map (f, &map, GNUNET_DISK_MAP_TYPE_READ, fsize);
+  if (NULL == data)
+  {
+    GNUNET_break (0);
+    GNUNET_DISK_file_close (f);
+    return;
+  }
+  nmax = fsize / GNUNET_TESTING_HOSTKEYFILESIZE;
+  for (cnt = nskip; cnt < (nskip + nkeys); cnt++)
+  {
+    if (nskip + cnt >= nmax)
+    {
+      PRINTF ("Max keys %u reached\n", nmax);
+      break;
+    }
+    (void) memcpy (&pkey, data + (cnt * GNUNET_TESTING_HOSTKEYFILESIZE),
+                   GNUNET_TESTING_HOSTKEYFILESIZE);
+    GNUNET_CRYPTO_eddsa_key_get_public (&pkey, &id.public_key);
+    PRINTF ("Key %u: %s\n", cnt, GNUNET_i2s_full (&id));
+  }
+  result = GNUNET_OK;
+  GNUNET_DISK_file_unmap (map);
+  GNUNET_DISK_file_close (f);
+}
+
+
+int main (int argc, char *argv[])
+{
+  struct GNUNET_GETOPT_CommandLineOption option[] = {
+    {'n', "num-keys", "COUNT",
+     gettext_noop ("list COUNT number of keys"),
+     GNUNET_YES, &GNUNET_GETOPT_set_uint, &nkeys},
+    {'s', "skip", "COUNT",
+     gettext_noop ("skip COUNT number of keys in the beginning"),
+     GNUNET_YES, &GNUNET_GETOPT_set_uint, &nskip},
+    GNUNET_GETOPT_OPTION_END
+  };
+  int ret;
+
+  result = GNUNET_SYSERR;
+  nkeys = 10;
+  ret = 
+      GNUNET_PROGRAM_run (argc, argv, "list-keys", "Lists the peer IDs corresponding to the given keys file\n",
+                          option, &run, NULL);
+  if (GNUNET_OK != ret)
+    return 1;
+  if (GNUNET_SYSERR == result)
+    return 1;
+  return 0;
+}
-- 
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