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Merge pull request #177 from thomas-yuan/tools_dht_put 

add dump-key to tools/dht_put.cpp.
This commit is contained in:
Arvid Norberg 2015-09-25 09:58:36 -07:00
parent fb19a672bc 3a59d0995f
commit 597be5c1c1
1 changed files with 119 additions and 49 deletions
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168
tools/dht_put.cpp
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@ -65,6 +65,8 @@ void usage()
" item onto the DHT. The resulting target hash\n"
"gen-key <key-file> - generate ed25519 keypair and save it in\n"
" the specified file\n"
"dump-key <key-file> - dump ed25519 keypair from the specified key\n"
" file.\n"
"mput <key-file> <string> - puts the specified string as a mutable\n"
" object under the public key in key-file\n"
"mget <public-key> - get a mutable object under the specified\n"
@ -126,6 +128,111 @@ void bootstrap(lt::session& s)
{
printf("bootstrapping\n");
wait_for_alert(s, dht_bootstrap_alert::alert_type);
printf("bootstrap done.\n");
}
int dump_key(char *filename)
{
FILE* f = fopen(filename, "rb+");
if (f == NULL)
{
fprintf(stderr, "failed to open file \"%s\": (%d) %s\n"
, filename, errno, strerror(errno));
return 1;
}
unsigned char seed[32];
int size = fread(seed, 1, 32, f);
if (size != 32)
{
fprintf(stderr, "invalid key file.\n");
return 1;
}
fclose(f);
boost::array<char, 32> public_key;
boost::array<char, 64> private_key;
ed25519_create_keypair((unsigned char*)public_key.data()
, (unsigned char*)private_key.data(), seed);
printf("public key: %s\nprivate key: %s\n",
to_hex(std::string(public_key.data(), public_key.size())).c_str(),
to_hex(std::string(private_key.data(), private_key.size())).c_str());
return 0;
}
int generate_key(char* filename)
{
unsigned char seed[32];
ed25519_create_seed(seed);
FILE* f = fopen(filename, "wb+");
if (f == NULL)
{
fprintf(stderr, "failed to open file for writing \"%s\": (%d) %s\n"
, filename, errno, strerror(errno));
return 1;
}
int size = fwrite(seed, 1, 32, f);
if (size != 32)
{
fprintf(stderr, "failed to write key file.\n");
return 1;
}
fclose(f);
return 0;
}
void load_dht_state(lt::session& s)
{
FILE* f = fopen(".dht", "rb");
if (f == NULL) return;
fseek(f, 0, SEEK_END);
int size = ftell(f);
fseek(f, 0, SEEK_SET);
if (size > 0)
{
std::vector<char> state;
state.resize(size);
fread(&state[0], 1, state.size(), f);
bdecode_node e;
error_code ec;
bdecode(&state[0], &state[0] + state.size(), e, ec);
if (ec)
fprintf(stderr, "failed to parse .dht file: (%d) %s\n"
, ec.value(), ec.message().c_str());
else
{
printf("load dht state from .dht\n");
s.load_state(e);
}
}
fclose(f);
}
int save_dht_state(lt::session& s)
{
entry e;
s.save_state(e, session::save_dht_state);
std::vector<char> state;
bencode(std::back_inserter(state), e);
FILE* f = fopen(".dht", "wb+");
if (f == NULL)
{
fprintf(stderr, "failed to open file .dht for writing");
return 1;
}
fwrite(&state[0], 1, state.size(), f);
fclose(f);
return 0;
}
int main(int argc, char* argv[])
@ -136,26 +243,22 @@ int main(int argc, char* argv[])
if (argc < 1) usage();
if (strcmp(argv[0], "dump-key") == 0)
{
++argv;
--argc;
if (argc < 1) usage();
return dump_key(argv[0]);
}
if (strcmp(argv[0], "gen-key") == 0)
{
++argv;
--argc;
if (argc < 1) usage();
unsigned char seed[32];
ed25519_create_seed(seed);
FILE* f = fopen(argv[0], "wb+");
if (f == NULL)
{
fprintf(stderr, "failed to open file for writing \"%s\": (%d) %s\n"
, argv[0], errno, strerror(errno));
return 1;
}
fwrite(seed, 1, 32, f);
fclose(f);
return 0;
return generate_key(argv[0]);
}
settings_pack sett;
@ -167,29 +270,7 @@ int main(int argc, char* argv[])
sett.set_bool(settings_pack::enable_dht, true);
s.apply_settings(sett);
FILE* f = fopen(".dht", "rb");
if (f != NULL)
{
fseek(f, 0, SEEK_END);
int size = ftell(f);
fseek(f, 0, SEEK_SET);
if (size > 0)
{
std::vector<char> state;
state.resize(size);
fread(&state[0], 1, state.size(), f);
bdecode_node e;
error_code ec;
bdecode(&state[0], &state[0] + state.size(), e, ec);
if (ec)
fprintf(stderr, "failed to parse .dht file: (%d) %s\n"
, ec.value(), ec.message().c_str());
else
s.load_state(e);
}
fclose(f);
}
load_dht_state(s);
if (strcmp(argv[0], "get") == 0)
{
@ -320,18 +401,7 @@ int main(int argc, char* argv[])
usage();
}
entry e;
s.save_state(e, lt::session::save_dht_state);
std::vector<char> state;
bencode(std::back_inserter(state), e);
f = fopen(".dht", "wb+");
if (f == NULL)
{
fprintf(stderr, "failed to open file .dht for writing");
return 1;
}
fwrite(&state[0], 1, state.size(), f);
fclose(f);
return save_dht_state(s);
}
#endif