comparison: src/server/util/util.c
src/server/util/util.c
- changeset 693
- b26cae13b79a
- parent 660
- f00d03835dd9
equal
deleted
inserted
replaced
| 692:32faa1d6a744 | 693:b26cae13b79a |
|---|---|
| 1171 return 0; | 1171 return 0; |
| 1172 ++t; | 1172 ++t; |
| 1173 } | 1173 } |
| 1174 return 0; | 1174 return 0; |
| 1175 } | 1175 } |
| 1176 | |
| 1177 /* -------------------------- util_parse_http_uri -------------------------- */ | |
| 1178 | |
| 1179 NSAPI_PUBLIC int util_parse_uri(const char *uri, WSUri *result) { | |
| 1180 if(!uri) { | |
| 1181 return 0; | |
| 1182 } | |
| 1183 return util_parse_uri_len(uri, strlen(uri), result); | |
| 1184 } | |
| 1185 | |
| 1186 NSAPI_PUBLIC int util_parse_uri_len(const char *uri, size_t length, WSUri *result) { | |
| 1187 if(length == 0) { | |
| 1188 return 0; | |
| 1189 } | |
| 1190 | |
| 1191 memset(result, 0, sizeof(WSUri)); | |
| 1192 | |
| 1193 // get uri scheme | |
| 1194 int scheme = -1; | |
| 1195 const char *scheme_str = uri; | |
| 1196 size_t scheme_len = length; | |
| 1197 short port = 0; | |
| 1198 size_t i = 0; | |
| 1199 for(;i<length;i++) { | |
| 1200 if(uri[i] == ':') { | |
| 1201 if(i+3 < length && uri[i+1] == '/' && uri[i+2] == '/') { | |
| 1202 cxstring scheme_s = cx_strn(uri, i); | |
| 1203 scheme_len = i; | |
| 1204 if(!cx_strcmp(scheme_s, "http")) { | |
| 1205 scheme = WS_URI_HTTP; | |
| 1206 port = 80; | |
| 1207 } else if(!cx_strcmp(scheme_s, "https")) { | |
| 1208 scheme = WS_URI_HTTPS; | |
| 1209 port = 443; | |
| 1210 } else { | |
| 1211 scheme = WS_URI_OTHER; | |
| 1212 } | |
| 1213 i += 3; | |
| 1214 break; | |
| 1215 } else { | |
| 1216 return 0; // invalid uri | |
| 1217 } | |
| 1218 } | |
| 1219 } | |
| 1220 result->scheme_num = scheme; | |
| 1221 result->scheme = scheme_str; | |
| 1222 result->schemelen = scheme_len; | |
| 1223 | |
| 1224 if(i == length) { | |
| 1225 return 0; // invlid uri | |
| 1226 } | |
| 1227 | |
| 1228 // get host | |
| 1229 size_t hostlen = 0; | |
| 1230 const char *port_str = NULL; | |
| 1231 const char *path = NULL; | |
| 1232 int is_ipv6_addr = 0; | |
| 1233 size_t host_start = i; | |
| 1234 if(uri[i] == '[') { | |
| 1235 host_start++; | |
| 1236 is_ipv6_addr = 1; | |
| 1237 i++; | |
| 1238 } | |
| 1239 for(;i<length;i++) { | |
| 1240 char c = uri[i]; | |
| 1241 if(is_ipv6_addr) { | |
| 1242 if(c == ']') { | |
| 1243 // end of ipv6 address | |
| 1244 result->host = uri + host_start; | |
| 1245 result->hostlen = i - host_start; | |
| 1246 is_ipv6_addr = 0; | |
| 1247 | |
| 1248 // the next character must be a port or path separator | |
| 1249 if(i+1 < length) { | |
| 1250 c = uri[i+1]; | |
| 1251 if(c != '/' && c != ':') { | |
| 1252 return 0; // invalid uri | |
| 1253 } | |
| 1254 } | |
| 1255 } else if(c != ':' && c != '.' && c != '%' && !isalnum(c)) { | |
| 1256 return 0; // invalid ipv6 address | |
| 1257 } | |
| 1258 } else if(c == ':') { | |
| 1259 if(port_str) { | |
| 1260 return 0; // error: port was already specified | |
| 1261 } | |
| 1262 if(!result->host) { | |
| 1263 result->host = uri + host_start; | |
| 1264 result->hostlen = i - host_start; | |
| 1265 } | |
| 1266 // get port | |
| 1267 port_str = uri + i + 1; | |
| 1268 } else if(c == '/') { | |
| 1269 path = uri + i; | |
| 1270 break; | |
| 1271 } else if(c == '[' || c == ']') { | |
| 1272 return 0; // invalid hostname | |
| 1273 } | |
| 1274 } | |
| 1275 if(is_ipv6_addr) { | |
| 1276 return 0; // ipv6 address was not terminated | |
| 1277 } | |
| 1278 | |
| 1279 if(port_str) { | |
| 1280 size_t port_len = uri + i - port_str; | |
| 1281 cxstring port_s = cx_strn(port_str, port_len); | |
| 1282 if(cx_strtos(port_s, &port, 10)) { | |
| 1283 return 0; // invalid port | |
| 1284 } | |
| 1285 } | |
| 1286 if(!result->host) { | |
| 1287 result->host = uri + host_start; | |
| 1288 result->hostlen = i - host_start; | |
| 1289 } | |
| 1290 if(result->hostlen == 0) { | |
| 1291 return 0; | |
| 1292 } | |
| 1293 | |
| 1294 size_t pathlen = 0; | |
| 1295 if(path) { | |
| 1296 pathlen = uri + length - path; | |
| 1297 } | |
| 1298 | |
| 1299 result->path = path; | |
| 1300 result->pathlen = pathlen; | |
| 1301 result->port = port; | |
| 1302 | |
| 1303 return 1; | |
| 1304 } |
