X-Git-Url: https://git.sesse.net/?p=cubemap;a=blobdiff_plain;f=config.cpp;h=3122cc568de0514f9386ad7844b3ffc478cee052;hp=f5182aac1512e9b8307ac57d16ada0b639260257;hb=43295b9f228a5b2d2b602f22a9728720138214ef;hpb=ce0d42a14da5686366d0c73fa9b152e90619ff91 diff --git a/config.cpp b/config.cpp index f5182aa..3122cc5 100644 --- a/config.cpp +++ b/config.cpp @@ -11,6 +11,7 @@ #include #include +#include "acceptor.h" #include "config.h" #include "log.h" #include "parse.h" @@ -25,6 +26,63 @@ struct ConfigLine { map parameters; }; +namespace { + +bool parse_hostport(const string &hostport, sockaddr_in6 *addr) +{ + memset(addr, 0, sizeof(*addr)); + addr->sin6_family = AF_INET6; + + string port_string; + + // See if the argument if on the type [ipv6addr]:port. + if (!hostport.empty() && hostport[0] == '[') { + size_t split = hostport.find("]:"); + if (split == string::npos) { + log(ERROR, "address '%s' is malformed; must be either [ipv6addr]:port or ipv4addr:port"); + return false; + } + + string host(hostport.begin() + 1, hostport.begin() + split); + port_string = hostport.substr(split + 2); + + if (inet_pton(AF_INET6, host.c_str(), &addr->sin6_addr) != 1) { + log(ERROR, "'%s' is not a valid IPv6 address"); + return false; + } + } else { + // OK, then it must be ipv4addr:port. + size_t split = hostport.find(":"); + if (split == string::npos) { + log(ERROR, "address '%s' is malformed; must be either [ipv6addr]:port or ipv4addr:port"); + return false; + } + + string host(hostport.begin(), hostport.begin() + split); + port_string = hostport.substr(split + 1); + + // Parse to an IPv4 address, then construct a mapped-v4 address from that. + in_addr addr4; + + if (inet_pton(AF_INET, host.c_str(), &addr4) != 1) { + log(ERROR, "'%s' is not a valid IPv4 address"); + return false; + } + + addr->sin6_addr.s6_addr32[2] = htonl(0xffff); + addr->sin6_addr.s6_addr32[3] = addr4.s_addr; + } + + int port = atoi(port_string.c_str()); + if (port < 1 || port >= 65536) { + log(ERROR, "port %d is out of range (must be [1,65536>).", port); + return false; + } + addr->sin6_port = ntohs(port); + + return true; +} + bool read_config(const string &filename, vector *lines) { FILE *fp = fopen(filename.c_str(), "r"); @@ -119,13 +177,30 @@ bool parse_port(const ConfigLine &line, Config *config) return false; } + int port = atoi(line.arguments[0].c_str()); + if (port < 1 || port >= 65536) { + log(ERROR, "port %d is out of range (must be [1,65536>).", port); + return false; + } + AcceptorConfig acceptor; - acceptor.port = atoi(line.arguments[0].c_str()); - if (acceptor.port < 1 || acceptor.port >= 65536) { - log(ERROR, "port %d is out of range (must be [1,65536>).", acceptor.port); + acceptor.addr = CreateAnyAddress(port); + + config->acceptors.push_back(acceptor); + return true; +} + +bool parse_listen(const ConfigLine &line, Config *config) +{ + if (line.arguments.size() != 1) { + log(ERROR, "'listen' takes exactly one argument"); return false; } + AcceptorConfig acceptor; + if (!parse_hostport(line.arguments[0], &acceptor.addr)) { + return false; + } config->acceptors.push_back(acceptor); return true; } @@ -256,50 +331,8 @@ bool parse_udpstream(const ConfigLine &line, Config *config) UDPStreamConfig udpstream; string hostport = line.arguments[0]; - - // See if the argument if on the type [ipv6addr]:port. - if (!hostport.empty() && hostport[0] == '[') { - size_t split = hostport.find("]:"); - if (split == string::npos) { - log(ERROR, "udpstream destination '%s' is malformed; must be either [ipv6addr]:port or ipv4addr:port"); - return false; - } - - string host(hostport.begin() + 1, hostport.begin() + split); - string port = hostport.substr(split + 2); - - udpstream.dst.sin6_family = AF_INET6; - if (inet_pton(AF_INET6, host.c_str(), &udpstream.dst.sin6_addr) != 1) { - log(ERROR, "udpstream destination host '%s' is not a valid IPv6 address"); - return false; - } - - udpstream.dst.sin6_port = htons(atoi(port.c_str())); // TODO: Verify validity. - } else { - // OK, then it must be ipv4addr:port. - size_t split = hostport.find(":"); - if (split == string::npos) { - log(ERROR, "udpstream destination '%s' is malformed; must be either [ipv6addr]:port or ipv4addr:port"); - return false; - } - - string host(hostport.begin(), hostport.begin() + split); - string port = hostport.substr(split + 1); - - // Parse to an IPv4 address, then construct a mapped-v4 address from that. - in_addr addr4; - - if (inet_pton(AF_INET, host.c_str(), &addr4) != 1) { - log(ERROR, "udpstream destination host '%s' is not a valid IPv4 address"); - return false; - } - - udpstream.dst.sin6_family = AF_INET6; - udpstream.dst.sin6_addr.s6_addr32[0] = 0; - udpstream.dst.sin6_addr.s6_addr32[1] = 0; - udpstream.dst.sin6_addr.s6_addr32[2] = htonl(0xffff); - udpstream.dst.sin6_addr.s6_addr32[3] = addr4.s_addr; - udpstream.dst.sin6_port = htons(atoi(port.c_str())); // TODO: Verify validity. + if (!parse_hostport(line.arguments[0], &udpstream.dst)) { + return false; } map::const_iterator src_it = line.parameters.find("src"); @@ -375,6 +408,8 @@ bool parse_error_log(const ConfigLine &line, Config *config) return true; } +} // namespace + bool parse_config(const string &filename, Config *config) { vector lines; @@ -423,6 +458,10 @@ bool parse_config(const string &filename, Config *config) if (!parse_port(line, config)) { return false; } + } else if (line.keyword == "listen") { + if (!parse_listen(line, config)) { + return false; + } } else if (line.keyword == "stream") { if (!parse_stream(line, config)) { return false;