1 | /* |
1 | /* |
2 | * static char *rcsid_init_c = |
2 | * static char *rcsid_init_c = |
3 | * "$Id: request.c,v 1.1.1.3 2006/03/15 14:05:40 elmex Exp $"; |
3 | * "$Id: request.c,v 1.10 2006/06/19 10:15:44 root Exp $"; |
4 | */ |
4 | */ |
5 | |
5 | |
6 | /* |
6 | /* |
7 | CrossFire, A Multiplayer game for X-windows |
7 | CrossFire, A Multiplayer game for X-windows |
8 | |
8 | |
… | |
… | |
103 | CS_STAT_RES_BLIND, |
103 | CS_STAT_RES_BLIND, |
104 | -1, /* Internal */ |
104 | -1, /* Internal */ |
105 | -1, /* life stealing */ |
105 | -1, /* life stealing */ |
106 | -1 /* Disease - not fully done yet */ |
106 | -1 /* Disease - not fully done yet */ |
107 | }; |
107 | }; |
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108 | |
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109 | /** check for map change and send new map data */ |
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110 | static void |
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111 | check_map_change (player *pl) |
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112 | { |
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113 | char buf[MAX_BUF]; /* eauugggh */ |
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114 | |
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115 | object *ob = pl->ob; |
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116 | |
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117 | if (!pl->socket.mapinfocmd) |
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118 | return; |
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119 | |
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120 | if (pl->socket.current_map != ob->map) |
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121 | { |
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122 | pl->socket.current_map = ob->map; |
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123 | |
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124 | if (ob->map && ob->map->path [0]) |
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125 | { |
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126 | int flags = 0; |
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127 | |
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128 | if (ob->map->tile_path [0]) flags |= 1; |
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129 | if (ob->map->tile_path [1]) flags |= 2; |
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130 | if (ob->map->tile_path [2]) flags |= 4; |
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131 | if (ob->map->tile_path [3]) flags |= 8; |
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132 | |
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133 | snprintf (buf, MAX_BUF, "mapinfo - spatial %d %d %d %d %d %s", |
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134 | flags, pl->socket.mapx / 2 - ob->x, pl->socket.mapy / 2 - ob->y, |
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135 | ob->map->width, ob->map->height, ob->map->path); |
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136 | } |
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137 | else |
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138 | snprintf (buf, MAX_BUF, "mapinfo current"); |
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139 | |
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140 | Write_String_To_Socket (&pl->socket, buf, strlen (buf)); |
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141 | } |
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142 | } |
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143 | |
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144 | void ExtCmd (char *buf, int len, player *pl) |
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145 | { |
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146 | execute_global_event (EVENT_EXTCMD, pl, buf, len); |
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147 | } |
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148 | |
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149 | void MapInfoCmd (char *buf, int len, player *pl) |
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150 | { |
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151 | // <mapinfo tag spatial tile-path |
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152 | // >mapinfo tag spatial flags x y w h hash |
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153 | |
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154 | char bigbuf[MAX_BUF], *cp, *token; |
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155 | |
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156 | token = buf; |
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157 | // copy token |
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158 | if (!(buf = strchr (buf, ' '))) |
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159 | return; |
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160 | |
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161 | *buf++ = 0; |
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162 | |
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163 | if (!strncmp (buf, "spatial ", 8)) |
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164 | { |
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165 | buf += 8; |
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166 | |
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167 | // initial map and its origin |
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168 | mapstruct *map = pl->ob->map; |
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169 | sint16 dx, dy; |
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170 | int mapx = pl->socket.mapx / 2 - pl->ob->x; |
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171 | int mapy = pl->socket.mapy / 2 - pl->ob->y; |
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172 | int max_distance = 8; // limit maximum path length to something generous |
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173 | |
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174 | while (*buf && map && max_distance) |
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175 | { |
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176 | int dir = *buf++; |
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177 | |
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178 | switch (dir) |
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179 | { |
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180 | case '1': |
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181 | dx = 0; dy = -1; map = get_map_from_coord (map, &dx, &dy); |
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182 | map && (mapy -= map->height); |
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183 | break; |
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184 | case '2': |
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185 | mapx += map->width; |
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186 | dx = map->width; dy = 0; map = get_map_from_coord (map, &dx, &dy); |
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187 | break; |
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188 | case '3': |
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189 | mapy += map->height; |
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190 | dx = 0; dy = map->height; map = get_map_from_coord (map, &dx, &dy); |
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191 | break; |
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192 | case '4': |
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193 | dx = -1; dy = 0; map = get_map_from_coord (map, &dx, &dy); |
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194 | map && (mapx -= map->width); |
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195 | break; |
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196 | } |
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197 | |
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198 | --max_distance; |
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199 | } |
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200 | |
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201 | if (!max_distance) |
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202 | snprintf (bigbuf, MAX_BUF, "mapinfo %s error", token); |
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203 | else if (map && map->path [0]) |
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204 | { |
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205 | int flags = 0; |
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206 | |
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207 | if (map->tile_path [0]) flags |= 1; |
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208 | if (map->tile_path [1]) flags |= 2; |
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209 | if (map->tile_path [2]) flags |= 4; |
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210 | if (map->tile_path [3]) flags |= 8; |
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211 | |
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212 | snprintf (bigbuf, MAX_BUF, "mapinfo %s spatial %d %d %d %d %d %s", |
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213 | token, flags, mapx, mapy, |
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214 | map->width, map->height, map->path); |
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215 | } |
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216 | else |
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217 | snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token); |
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218 | } |
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219 | else |
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220 | snprintf (bigbuf, MAX_BUF, "mapinfo %s unsupported", token); |
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221 | |
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222 | Write_String_To_Socket (&pl->socket, bigbuf, strlen (bigbuf)); |
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223 | } |
108 | |
224 | |
109 | /** This is the Setup cmd - easy first implementation */ |
225 | /** This is the Setup cmd - easy first implementation */ |
110 | void SetUp(char *buf, int len, NewSocket *ns) |
226 | void SetUp(char *buf, int len, NewSocket *ns) |
111 | { |
227 | { |
112 | int s, slen; |
228 | int s, slen; |
… | |
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168 | if (ns->mapx>11 || ns->mapy>11) ns->mapmode = Map1aCmd; |
284 | if (ns->mapx>11 || ns->mapy>11) ns->mapmode = Map1aCmd; |
169 | safe_strcat(cmdback, ns->mapmode == Map1aCmd?"1":"0", &slen, HUGE_BUF); |
285 | safe_strcat(cmdback, ns->mapmode == Map1aCmd?"1":"0", &slen, HUGE_BUF); |
170 | } else if (!strcmp(cmd,"newmapcmd")) { |
286 | } else if (!strcmp(cmd,"newmapcmd")) { |
171 | ns->newmapcmd= atoi(param); |
287 | ns->newmapcmd= atoi(param); |
172 | safe_strcat(cmdback, param, &slen, HUGE_BUF); |
288 | safe_strcat(cmdback, param, &slen, HUGE_BUF); |
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289 | // } else if (!strcmp(cmd,"plugincmd")) { |
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290 | // ns->plugincmd = atoi(param); |
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291 | // safe_strcat(cmdback, param, &slen, HUGE_BUF); |
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292 | } else if (!strcmp(cmd,"mapinfocmd")) { |
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293 | ns->mapinfocmd = atoi(param); |
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294 | safe_strcat(cmdback, "1", &slen, HUGE_BUF); |
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295 | } else if (!strcmp(cmd,"extcmd")) { |
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296 | ns->extcmd = atoi(param); |
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297 | safe_strcat(cmdback, "1", &slen, HUGE_BUF); |
173 | } else if (!strcmp(cmd,"facecache")) { |
298 | } else if (!strcmp(cmd,"facecache")) { |
174 | ns->facecache = atoi(param); |
299 | ns->facecache = atoi(param); |
175 | safe_strcat(cmdback, param, &slen, HUGE_BUF); |
300 | safe_strcat(cmdback, param, &slen, HUGE_BUF); |
176 | } else if (!strcmp(cmd,"faceset")) { |
301 | } else if (!strcmp(cmd,"faceset")) { |
177 | char tmpbuf[20]; |
302 | char tmpbuf[20]; |
… | |
… | |
469 | short packet; |
594 | short packet; |
470 | char command[MAX_BUF]; |
595 | char command[MAX_BUF]; |
471 | SockList sl; |
596 | SockList sl; |
472 | |
597 | |
473 | if (len < 7) { |
598 | if (len < 7) { |
474 | LOG(llevDebug,"Corrupt ncom command - not long enough - discarding\n"); |
599 | LOG(llevDebug,"Corrupt ncom command <%s> not long enough - discarding\n", buf); |
475 | return; |
600 | return; |
476 | } |
601 | } |
477 | |
602 | |
478 | packet = GetShort_String(buf); |
603 | packet = GetShort_String(buf); |
479 | repeat = GetInt_String(buf+2); |
604 | repeat = GetInt_String(buf+2); |
… | |
… | |
670 | { |
795 | { |
671 | if( pl->socket.newmapcmd == 1) { |
796 | if( pl->socket.newmapcmd == 1) { |
672 | memset(&pl->socket.lastmap, 0, sizeof(pl->socket.lastmap)); |
797 | memset(&pl->socket.lastmap, 0, sizeof(pl->socket.lastmap)); |
673 | Write_String_To_Socket( &pl->socket, "newmap", 6); |
798 | Write_String_To_Socket( &pl->socket, "newmap", 6); |
674 | } |
799 | } |
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800 | pl->socket.current_map = 0; |
675 | } |
801 | } |
676 | |
802 | |
677 | |
803 | |
678 | |
804 | |
679 | /** |
805 | /** |
… | |
… | |
1485 | |
1611 | |
1486 | for(y=pl->y-pl->contr->socket.mapy/2; y<max_y; y++,ay++) { |
1612 | for(y=pl->y-pl->contr->socket.mapy/2; y<max_y; y++,ay++) { |
1487 | ax=0; |
1613 | ax=0; |
1488 | for(x=pl->x-pl->contr->socket.mapx/2;x<max_x;x++,ax++) { |
1614 | for(x=pl->x-pl->contr->socket.mapx/2;x<max_x;x++,ax++) { |
1489 | |
1615 | |
1490 | mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4; |
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1491 | emask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4; |
1616 | emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4; |
1492 | |
1617 | |
1493 | /* If this space is out of the normal viewable area, we only check |
1618 | /* If this space is out of the normal viewable area, we only check |
1494 | * the heads value ax or ay will only be greater than what |
1619 | * the heads value ax or ay will only be greater than what |
1495 | * the client wants if using the map1a command - this is because |
1620 | * the client wants if using the map1a command - this is because |
1496 | * if the map1a command is not used, max_x and max_y will be |
1621 | * if the map1a command is not used, max_x and max_y will be |
… | |
… | |
1724 | if (sl.len>startlen || pl->contr->socket.sent_scroll) { |
1849 | if (sl.len>startlen || pl->contr->socket.sent_scroll) { |
1725 | Send_With_Handling(&pl->contr->socket, &sl); |
1850 | Send_With_Handling(&pl->contr->socket, &sl); |
1726 | pl->contr->socket.sent_scroll = 0; |
1851 | pl->contr->socket.sent_scroll = 0; |
1727 | } |
1852 | } |
1728 | free(sl.buf); |
1853 | free(sl.buf); |
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1854 | |
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1855 | check_map_change (pl->contr); |
1729 | } |
1856 | } |
1730 | |
1857 | |
1731 | /** |
1858 | /** |
1732 | * Draws client map. |
1859 | * Draws client map. |
1733 | */ |
1860 | */ |
… | |
… | |
1846 | } |
1973 | } |
1847 | } /* Is a valid space */ |
1974 | } /* Is a valid space */ |
1848 | } |
1975 | } |
1849 | } |
1976 | } |
1850 | esrv_map_doneredraw(&pl->contr->socket, &newmap); |
1977 | esrv_map_doneredraw(&pl->contr->socket, &newmap); |
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1978 | |
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1979 | check_map_change (pl->contr); |
1851 | } |
1980 | } |
1852 | |
1981 | |
1853 | |
1982 | |
1854 | void esrv_map_scroll(NewSocket *ns,int dx,int dy) |
1983 | void esrv_map_scroll(NewSocket *ns,int dx,int dy) |
1855 | { |
1984 | { |
… | |
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1930 | for (i=1; i< NUM_SKILLS; i++) { |
2059 | for (i=1; i< NUM_SKILLS; i++) { |
1931 | sprintf((char*)sl.buf + strlen((char*)sl.buf), "%d:%s\n", i + CS_STAT_SKILLINFO, |
2060 | sprintf((char*)sl.buf + strlen((char*)sl.buf), "%d:%s\n", i + CS_STAT_SKILLINFO, |
1932 | skill_names[i]); |
2061 | skill_names[i]); |
1933 | } |
2062 | } |
1934 | sl.len = strlen((char*)sl.buf); |
2063 | sl.len = strlen((char*)sl.buf); |
1935 | if (sl.len > MAXSOCKBUF) { |
2064 | if (sl.len >= MAXSOCKBUF) { |
1936 | LOG(llevError,"Buffer overflow in send_skill_info!\n"); |
2065 | LOG(llevError,"Buffer overflow in send_skill_info!\n"); |
1937 | fatal(0); |
2066 | fatal(0); |
1938 | } |
2067 | } |
1939 | Send_With_Handling(ns, &sl); |
2068 | Send_With_Handling(ns, &sl); |
1940 | free(sl.buf); |
2069 | free(sl.buf); |
… | |
… | |
1951 | sl.buf = malloc(MAXSOCKBUF); |
2080 | sl.buf = malloc(MAXSOCKBUF); |
1952 | strcpy((char*)sl.buf,"replyinfo spell_paths\n"); |
2081 | strcpy((char*)sl.buf,"replyinfo spell_paths\n"); |
1953 | for(i=0; i<NRSPELLPATHS; i++) |
2082 | for(i=0; i<NRSPELLPATHS; i++) |
1954 | sprintf((char*)sl.buf + strlen((char*)sl.buf), "%d:%s\n", 1<<i, spellpathnames[i]); |
2083 | sprintf((char*)sl.buf + strlen((char*)sl.buf), "%d:%s\n", 1<<i, spellpathnames[i]); |
1955 | sl.len = strlen((char*)sl.buf); |
2084 | sl.len = strlen((char*)sl.buf); |
1956 | if (sl.len > MAXSOCKBUF) { |
2085 | if (sl.len >= MAXSOCKBUF) { |
1957 | LOG(llevError,"Buffer overflow in send_spell_paths!\n"); |
2086 | LOG(llevError,"Buffer overflow in send_spell_paths!\n"); |
1958 | fatal(0); |
2087 | fatal(0); |
1959 | } |
2088 | } |
1960 | Send_With_Handling(ns, &sl); |
2089 | Send_With_Handling(ns, &sl); |
1961 | free(sl.buf); |
2090 | free(sl.buf); |
… | |
… | |
2095 | * to show add_spell is 26 bytes + 2 strings. However, the overun |
2224 | * to show add_spell is 26 bytes + 2 strings. However, the overun |
2096 | * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem |
2225 | * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem |
2097 | * like it will fix this |
2226 | * like it will fix this |
2098 | */ |
2227 | */ |
2099 | if (spell->type != SPELL) continue; |
2228 | if (spell->type != SPELL) continue; |
2100 | if (sl.len > (MAXSOCKBUF - (26 + strlen(spell->name) + |
2229 | if (sl.len >= (MAXSOCKBUF - (26 + strlen(spell->name) + |
2101 | (spell->msg?strlen(spell->msg):0)))) { |
2230 | (spell->msg?strlen(spell->msg):0)))) { |
2102 | Send_With_Handling(&pl->socket, &sl); |
2231 | Send_With_Handling(&pl->socket, &sl); |
2103 | strcpy((char*)sl.buf,"addspell "); |
2232 | strcpy((char*)sl.buf,"addspell "); |
2104 | sl.len=strlen((char*)sl.buf); |
2233 | sl.len=strlen((char*)sl.buf); |
2105 | } |
2234 | } |
… | |
… | |
2109 | else if (spell->type != SPELL) { |
2238 | else if (spell->type != SPELL) { |
2110 | LOG(llevError, "Asked to send a non-spell object as a spell"); |
2239 | LOG(llevError, "Asked to send a non-spell object as a spell"); |
2111 | return; |
2240 | return; |
2112 | } |
2241 | } |
2113 | else append_spell(pl, &sl, spell); |
2242 | else append_spell(pl, &sl, spell); |
2114 | if (sl.len > MAXSOCKBUF) { |
2243 | if (sl.len >= MAXSOCKBUF) { |
2115 | LOG(llevError,"Buffer overflow in esrv_add_spells!\n"); |
2244 | LOG(llevError,"Buffer overflow in esrv_add_spells!\n"); |
2116 | fatal(0); |
2245 | fatal(0); |
2117 | } |
2246 | } |
2118 | /* finally, we can send the packet */ |
2247 | /* finally, we can send the packet */ |
2119 | Send_With_Handling(&pl->socket, &sl); |
2248 | Send_With_Handling(&pl->socket, &sl); |