GNUnet  0.20.0
Functions | Variables
list-keys.c File Reference
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_testing_lib.h"
Include dependency graph for list-keys.c:

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Functions

static void run (void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *config)
 Main run function. More...
 
int main (int argc, char *argv[])
 

Variables

static unsigned int nkeys
 
static unsigned int nskip
 
static int result
 

Function Documentation

◆ run()

static void run ( void *  cls,
char *const *  args,
const char *  cfgfile,
const struct GNUNET_CONFIGURATION_Handle *  config 
)
static

Main run function.

Parameters
clsNULL
argsarguments passed to GNUNET_PROGRAM_run
cfgfilethe path to configuration file
cfgthe configuration file handle

Definition at line 18 of file list-keys.c.

22 {
23  char *idfile;
24  struct GNUNET_DISK_FileHandle *f;
25  void *data;
26  struct GNUNET_DISK_MapHandle *map;
27  struct GNUNET_CRYPTO_EddsaPrivateKey pkey;
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,
51  GNUNET_DISK_OPEN_READ,
52  GNUNET_DISK_PERM_NONE);
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);
62  GNUNET_DISK_file_close (f);
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);
76  GNUNET_CRYPTO_eddsa_key_get_public (&pkey, &id.public_key);
77  printf ("Key %u: %s\n", cnt, GNUNET_i2s_full (&id));
78  }
79  result = GNUNET_OK;
80  GNUNET_DISK_file_unmap (map);
81  GNUNET_DISK_file_close (f);
82 }
id
static struct GNUNET_IDENTITY_Handle * id
Handle to identity service.
Definition: gnunet-conversation.c:187
map
static struct GNUNET_CONTAINER_MultiPeerMap * map
Handle to the map used to store old latency values for peers.
Definition: gnunet-daemon-latency-logger.c:82
data
uint32_t data
The data value.
Definition: gnunet-helper-transport-wlan.c:21
pkey
static char * pkey
Public key of the zone to look in, in ASCII.
Definition: gnunet-namecache.c:58
GNUNET_CRYPTO_eddsa_key_get_public
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:198
GNUNET_DISK_file_open
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:1237
GNUNET_DISK_file_size
enum GNUNET_GenericReturnValue 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:221
GNUNET_DISK_file_map
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:1380
GNUNET_DISK_file_close
enum GNUNET_GenericReturnValue GNUNET_DISK_file_close(struct GNUNET_DISK_FileHandle *h)
Close an open file.
Definition: disk.c:1308
GNUNET_DISK_file_unmap
enum GNUNET_GenericReturnValue GNUNET_DISK_file_unmap(struct GNUNET_DISK_MapHandle *h)
Unmap a file.
Definition: disk.c:1411
GNUNET_DISK_OPEN_READ
@ GNUNET_DISK_OPEN_READ
Open the file for reading.
Definition: gnunet_disk_lib.h:106
GNUNET_DISK_PERM_NONE
@ GNUNET_DISK_PERM_NONE
Nobody is allowed to do anything to the file.
Definition: gnunet_disk_lib.h:169
GNUNET_DISK_MAP_TYPE_READ
@ GNUNET_DISK_MAP_TYPE_READ
Read-only memory map.
Definition: gnunet_disk_lib.h:147
GNUNET_memcpy
#define GNUNET_memcpy(dst, src, n)
Call memcpy() but check for n being 0 first.
Definition: gnunet_common.h:1294
GNUNET_OK
@ GNUNET_OK
Definition: gnunet_common.h:109
GNUNET_YES
@ GNUNET_YES
Definition: gnunet_common.h:111
GNUNET_break
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur.
Definition: gnunet_common.h:1024
GNUNET_i2s_full
const char * GNUNET_i2s_full(const struct GNUNET_PeerIdentity *pid)
Convert a peer identity to a string (for printing debug messages).
Definition: common_logging.c:1322
GNUNET_TESTING_HOSTKEYFILESIZE
#define GNUNET_TESTING_HOSTKEYFILESIZE
Size of each hostkey in the hostkey file (in BYTES).
Definition: gnunet_testing_lib.h:63
nskip
static unsigned int nskip
Definition: list-keys.c:6
nkeys
static unsigned int nkeys
Definition: list-keys.c:5
result
static int result
Definition: list-keys.c:7
_
#define _(String)
GNU gettext support macro.
Definition: platform.h:178
GNUNET_CRYPTO_EddsaPrivateKey
Private ECC key encoded for transmission.
Definition: gnunet_crypto_lib.h:278
GNUNET_DISK_FileHandle
Handle used to access files (and pipes).
Definition: gnunet_disk_lib.h:72
GNUNET_DISK_MapHandle
Handle for a memory-mapping operation.
Definition: disk.c:1361
GNUNET_PeerIdentity
The identity of the host (wraps the signing key of the peer).
Definition: gnunet_crypto_lib.h:229
GNUNET_PeerIdentity::public_key
struct GNUNET_CRYPTO_EddsaPublicKey public_key
Definition: gnunet_crypto_lib.h:230

References _, consensus-simulation::args, data, removetrailingwhitespace::f, GNUNET_break, GNUNET_CRYPTO_eddsa_key_get_public(), GNUNET_DISK_file_close(), GNUNET_DISK_file_map(), GNUNET_DISK_file_open(), GNUNET_DISK_file_size(), GNUNET_DISK_file_unmap(), GNUNET_DISK_MAP_TYPE_READ, GNUNET_DISK_OPEN_READ, GNUNET_DISK_PERM_NONE, GNUNET_i2s_full(), GNUNET_memcpy, GNUNET_OK, GNUNET_TESTING_HOSTKEYFILESIZE, GNUNET_YES, id, map, nkeys, nskip, pkey, GNUNET_PeerIdentity::public_key, and result.

Referenced by main().

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◆ main()

int main ( int  argc,
char *  argv[] 
)

Definition at line 86 of file list-keys.c.

87 {
88  struct GNUNET_GETOPT_CommandLineOption option[] =
89  { GNUNET_GETOPT_option_uint ('n',
90  "num-keys",
91  "COUNT",
92  gettext_noop ("list COUNT number of keys"),
93  &nkeys),
94  GNUNET_GETOPT_OPTION_END };
95  int ret;
96 
97  result = GNUNET_SYSERR;
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 }
GNUNET_GETOPT_OPTION_END
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_OPTION_END
Definition: 002.c:13
gettext_noop
#define gettext_noop(String)
Definition: gettext.h:70
ret
static int ret
Return value of the commandline.
Definition: gnunet-abd.c:81
GNUNET_GETOPT_option_uint
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.
Definition: getopt_helpers.c:822
GNUNET_SYSERR
@ GNUNET_SYSERR
Definition: gnunet_common.h:107
GNUNET_PROGRAM_run
enum GNUNET_GenericReturnValue 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,...
Definition: program.c:400
run
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
GNUNET_GETOPT_CommandLineOption
Definition of a command line option.
Definition: gnunet_getopt_lib.h:110

References gettext_noop, GNUNET_GETOPT_OPTION_END, GNUNET_GETOPT_option_uint(), GNUNET_OK, GNUNET_PROGRAM_run(), GNUNET_SYSERR, nkeys, result, ret, and run().

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Variable Documentation

◆ nkeys

unsigned int nkeys
static

Definition at line 5 of file list-keys.c.

Referenced by main(), and run().

◆ nskip

unsigned int nskip
static

Definition at line 6 of file list-keys.c.

Referenced by run().

◆ result

int result
static

Definition at line 7 of file list-keys.c.

Referenced by main(), and run().