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more consistency checks of userpost

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This commit is contained in:
miguel 2013-08-18 10:51:46 -03:00
parent 6fb557e33c
commit 15d8e3397c
1 changed files with 29 additions and 4 deletions
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33
libtorrent/src/disk_io_thread.cpp
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@ -1086,14 +1086,39 @@ namespace libtorrent
+ piece_size, v, ec, &pos) == 0) {
if( v.type() == lazy_entry::dict_t ) {
lazy_entry const* post = v.dict_find("userpost");
lazy_entry const* post = v.dict_find_dict("userpost");
std::string sig = v.dict_find_string_value("sig_userpost");
std::string username = j.storage->info()->name();
if( post && sig.size() ) {
std::pair<char const*, int> postbuf = post->data_section();
*hash_ok = verifySignature(
if( !post || !sig.size() ) {
#ifdef TORRENT_DEBUG
printf("r_p_f_c_a_h: missing post or signature\n");
#endif
} else {
std::string n = post->dict_find_string_value("n");
int k = post->dict_find_int_value("k",-1);
if( n != username ) {
#ifdef TORRENT_DEBUG
printf("r_p_f_c_a_h: expected username '%s' got '%s'\n",
username.c_str(), n.c_str());
#endif
} else if( k != j.piece ) {
#ifdef TORRENT_DEBUG
printf("r_p_f_c_a_h: expected piece '%d' got '%d'\n",
j.piece, k);
#endif
} else {
std::pair<char const*, int> postbuf = post->data_section();
*hash_ok = verifySignature(
std::string(postbuf.first,postbuf.second),
username, sig);
#ifdef TORRENT_DEBUG
if( !(*hash_ok) ) {
printf("r_p_f_c_a_h: bad signature\n");
}
#endif
}
}
}
}