GNUnet  0.11.x
list-keys.c
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1 #include "platform.h"
2 #include "gnunet_util_lib.h"
3 #include "gnunet_testing_lib.h"
4 
5 static unsigned int nkeys;
6 static unsigned int nskip;
7 static int result;
8 
17 static void
18 run (void *cls,
19  char *const *args,
20  const char *cfgfile,
21  const struct GNUNET_CONFIGURATION_Handle *config)
22 {
23  char *idfile;
24  struct GNUNET_DISK_FileHandle *f;
25  void *data;
26  struct GNUNET_DISK_MapHandle *map;
28  struct GNUNET_PeerIdentity id;
29  unsigned int cnt;
30  uint64_t fsize;
31  unsigned int nmax;
32 
33  if ((NULL == args) || (NULL == args[0]))
34  {
35  fprintf (stderr, "Need the hostkey file\n");
36  return;
37  }
38  idfile = args[0];
39  if (GNUNET_OK !=
40  GNUNET_DISK_file_size (idfile, &fsize, GNUNET_YES, GNUNET_YES))
41  {
42  GNUNET_break (0);
43  return;
44  }
45  if (0 != (fsize % GNUNET_TESTING_HOSTKEYFILESIZE))
46  {
47  fprintf (stderr, _ ("Incorrect hostkey file format: %s\n"), idfile);
48  return;
49  }
50  f = GNUNET_DISK_file_open (idfile,
53  if (NULL == f)
54  {
55  GNUNET_break (0);
56  return;
57  }
58  data = GNUNET_DISK_file_map (f, &map, GNUNET_DISK_MAP_TYPE_READ, fsize);
59  if (NULL == data)
60  {
61  GNUNET_break (0);
63  return;
64  }
65  nmax = fsize / GNUNET_TESTING_HOSTKEYFILESIZE;
66  for (cnt = nskip; cnt < (nskip + nkeys); cnt++)
67  {
68  if (nskip + cnt >= nmax)
69  {
70  printf ("Max keys %u reached\n", nmax);
71  break;
72  }
73  GNUNET_memcpy (&pkey,
74  data + (cnt * GNUNET_TESTING_HOSTKEYFILESIZE),
75  GNUNET_TESTING_HOSTKEYFILESIZE);
77  printf ("Key %u: %s\n", cnt, GNUNET_i2s_full (&id));
78  }
79  result = GNUNET_OK;
82 }
83 
84 
85 int
86 main (int argc, char *argv[])
87 {
88  struct GNUNET_GETOPT_CommandLineOption option[] =
90  "num-keys",
91  "COUNT",
92  gettext_noop ("list COUNT number of keys"),
93  &nkeys),
95  int ret;
96 
98  nkeys = 10;
99  ret =
100  GNUNET_PROGRAM_run (argc,
101  argv,
102  "list-keys",
103  "Lists the peer IDs corresponding to the given keys file\n",
104  option,
105  &run,
106  NULL);
107  if (GNUNET_OK != ret)
108  return 1;
109  if (GNUNET_SYSERR == result)
110  return 1;
111  return 0;
112 }
Open the file for reading.
int GNUNET_DISK_file_close(struct GNUNET_DISK_FileHandle *h)
Close an open file.
Definition: disk.c:1345
static int result
Definition: list-keys.c:7
void * GNUNET_DISK_file_map(const struct GNUNET_DISK_FileHandle *h, struct GNUNET_DISK_MapHandle **m, enum GNUNET_DISK_MapType access, size_t len)
Map a file into memory.
Definition: disk.c:1440
Nobody is allowed to do anything to the file.
#define GNUNET_memcpy(dst, src, n)
Call memcpy() but check for n being 0 first.
static int ret
Return value of the commandline.
Definition: gnunet-abd.c:81
const char * GNUNET_i2s_full(const struct GNUNET_PeerIdentity *pid)
Convert a peer identity to a string (for printing debug messages).
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
Definition of a command line option.
#define GNUNET_TESTING_HOSTKEYFILESIZE
Size of each hostkey in the hostkey file (in BYTES).
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_OPTION_END
Definition: 002.c:13
static struct GNUNET_CONTAINER_MultiPeerMap * map
Handle to the map used to store old latency values for peers.
#define _(String)
GNU gettext support macro.
Definition: platform.h:181
static void run(void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *config)
Main run function.
Definition: list-keys.c:18
static unsigned int nskip
Definition: list-keys.c:6
Read-only memory map.
static const struct GNUNET_CONFIGURATION_Handle * config
static unsigned int nkeys
Definition: list-keys.c:5
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
int GNUNET_DISK_file_unmap(struct GNUNET_DISK_MapHandle *h)
Unmap a file.
Definition: disk.c:1477
int GNUNET_DISK_file_size(const char *filename, uint64_t *size, int include_symbolic_links, int single_file_mode)
Get the size of the file (or directory) of the given file (in bytes).
Definition: disk.c:257
void GNUNET_CRYPTO_eddsa_key_get_public(const struct GNUNET_CRYPTO_EddsaPrivateKey *priv, struct GNUNET_CRYPTO_EddsaPublicKey *pub)
Extract the public key for the given private key.
Definition: crypto_ecc.c:270
Private ECC key encoded for transmission.
The identity of the host (wraps the signing key of the peer).
configuration data
Definition: configuration.c:85
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:367
#define GNUNET_YES
Definition: gnunet_common.h:77
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_uint(char shortName, const char *name, const char *argumentHelp, const char *description, unsigned int *val)
Allow user to specify an unsigned int.
uint32_t data
The data value.
struct GNUNET_DISK_FileHandle * GNUNET_DISK_file_open(const char *fn, enum GNUNET_DISK_OpenFlags flags, enum GNUNET_DISK_AccessPermissions perm)
Open a file.
Definition: disk.c:1268
int main(int argc, char *argv[])
Definition: list-keys.c:86
Handle used to access files (and pipes).
Handle for a memory-mapping operation.
Definition: disk.c:1412
struct GNUNET_CRYPTO_EddsaPublicKey public_key
#define gettext_noop(String)
Definition: gettext.h:69