author | unc0rr |
Wed, 01 Jan 2014 13:42:38 +0400 | |
changeset 9900 | 34ba1d8e0e9a |
parent 7566 | 57d343ee382f |
child 10017 | de822cd3df3a |
permissions | -rw-r--r-- |
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/* |
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* Hedgewars, a free turn based strategy game |
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* Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com> |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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*/ |
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#include "netprotocol.h" |
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#include "../util/util.h" |
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#include "../util/logging.h" |
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#include "../base64/base64.h" |
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#include <zlib.h> |
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#include <string.h> |
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#include <stdio.h> |
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#include <errno.h> |
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#include <stdlib.h> |
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static int fillTeamFromMsg(flib_team *team, char **parts) { |
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team->name = flib_strdupnull(parts[0]); |
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team->grave = flib_strdupnull(parts[1]); |
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team->fort = flib_strdupnull(parts[2]); |
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team->voicepack = flib_strdupnull(parts[3]); |
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team->flag = flib_strdupnull(parts[4]); |
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team->ownerName = flib_strdupnull(parts[5]); |
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if(!team->name || !team->grave || !team->fort || !team->voicepack || !team->flag || !team->ownerName) { |
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return -1; |
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} |
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errno = 0; |
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long difficulty = strtol(parts[6], NULL, 10); |
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if(errno) { |
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return -1; |
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} |
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for(int i=0; i<HEDGEHOGS_PER_TEAM; i++) { |
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flib_hog *hog = &team->hogs[i]; |
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hog->difficulty = difficulty; |
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hog->name = flib_strdupnull(parts[7+2*i]); |
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hog->hat = flib_strdupnull(parts[8+2*i]); |
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if(!hog->name || !hog->hat) { |
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return -1; |
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} |
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} |
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// Set some default assumptions as well |
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team->colorIndex = DEFAULT_COLOR_INDEX; |
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team->hogsInGame = DEFAULT_HEDGEHOG_COUNT; |
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team->remoteDriven = true; |
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return 0; |
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} |
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flib_team *flib_team_from_netmsg(char **parts) { |
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flib_team *result = NULL; |
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flib_team *tmpTeam = flib_calloc(1, sizeof(flib_team)); |
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if(tmpTeam) { |
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if(!fillTeamFromMsg(tmpTeam, parts)) { |
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result = tmpTeam; |
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tmpTeam = NULL; |
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} else { |
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flib_log_e("Error parsing team from net."); |
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} |
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} |
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flib_team_destroy(tmpTeam); |
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return result; |
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} |
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flib_scheme *flib_scheme_from_netmsg(char **parts) { |
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flib_scheme *result = flib_scheme_create(parts[0]); |
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if(result) { |
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for(int i=0; i<flib_meta.modCount; i++) { |
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result->mods[i] = !strcmp(parts[i+1], "true"); |
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} |
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for(int i=0; i<flib_meta.settingCount; i++) { |
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result->settings[i] = atoi(parts[i+flib_meta.modCount+1]); |
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} |
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} |
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return result; |
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} |
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flib_map *flib_map_from_netmsg(char **parts) { |
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flib_map *result = flib_map_create_named(parts[3], parts[0]); |
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if(result) { |
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result->mapgen = atoi(parts[1]); |
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result->mazeSize = atoi(parts[2]); |
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result->templateFilter = atoi(parts[4]); |
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} |
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return result; |
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} |
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int flib_drawnmapdata_from_netmsg(char *netmsg, uint8_t** outbuf, size_t *outlen) { |
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int result = -1; |
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// First step: base64 decoding |
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char *base64decout = NULL; |
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size_t base64declen; |
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bool ok = base64_decode_alloc(netmsg, strlen(netmsg), &base64decout, &base64declen); |
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if(ok && base64declen>3) { |
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// Second step: unzip with the QCompress header. That header is just a big-endian |
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// uint32 indicating the length of the uncompressed data. |
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uint8_t *ubyteBuf = (uint8_t*)base64decout; |
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uint32_t unzipLen = |
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(((uint32_t)ubyteBuf[0])<<24) |
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+ (((uint32_t)ubyteBuf[1])<<16) |
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+ (((uint32_t)ubyteBuf[2])<<8) |
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+ ubyteBuf[3]; |
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if(unzipLen==0) { |
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*outbuf = NULL; |
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*outlen = 0; |
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result = 0; |
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} else { |
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uint8_t *out = flib_malloc(unzipLen); |
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if(out) { |
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uLongf actualUnzipLen = unzipLen; |
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int resultcode = uncompress(out, &actualUnzipLen, (Bytef*)(base64decout+4), base64declen-4); |
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if(resultcode == Z_OK) { |
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*outbuf = out; |
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*outlen = actualUnzipLen; |
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out = NULL; |
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result = 0; |
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} else { |
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flib_log_e("Uncompressing drawn map failed. Code: %i", resultcode); |
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} |
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} |
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free(out); |
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} |
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} else { |
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flib_log_e("base64 decoding of drawn map failed."); |
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} |
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free(base64decout); |
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return result; |
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} |
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flib_room *flib_room_from_netmsg(char **params) { |
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flib_room *result = NULL; |
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flib_room *tmpRoom = flib_calloc(1, sizeof(flib_room)); |
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if(tmpRoom) { |
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tmpRoom->inProgress = !strcmp(params[0], "True"); |
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tmpRoom->name = flib_strdupnull(params[1]); |
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tmpRoom->playerCount = atoi(params[2]); |
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tmpRoom->teamCount = atoi(params[3]); |
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tmpRoom->owner = flib_strdupnull(params[4]); |
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tmpRoom->map = flib_strdupnull(params[5]); |
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tmpRoom->scheme = flib_strdupnull(params[6]); |
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tmpRoom->weapons = flib_strdupnull(params[7]); |
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if(tmpRoom->name && tmpRoom->owner && tmpRoom->map && tmpRoom->scheme && tmpRoom->weapons) { |
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result = tmpRoom; |
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tmpRoom = NULL; |
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} |
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} |
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flib_room_destroy(tmpRoom); |
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return result; |
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} |
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||
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int fillRoomArray(flib_room **array, char **params, int count) { |
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for(int i=0; i<count; i++) { |
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array[i] = flib_room_from_netmsg(params + 8*i); |
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if(!array[i]) { |
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return -1; |
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} |
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} |
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return 0; |
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} |
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||
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flib_room **flib_room_array_from_netmsg(char **params, int count) { |
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flib_room **result = flib_calloc(count, sizeof(flib_room*)); |
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if(result) { |
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if(fillRoomArray(result, params, count)) { |
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for(int i=0; i<count; i++) { |
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flib_room_destroy(result[i]); |
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} |
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free(result); |
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result = NULL; |
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} |
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} |
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return result; |
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} |