2 ashd - A Sane HTTP Daemon
3 Copyright (C) 2008 Fredrik Tolf <fredrik@dolda2000.com>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include <sys/socket.h>
23 #include <netinet/in.h>
24 #include <arpa/inet.h>
45 struct sockaddr_storage name;
49 static int listensock4(int port)
51 struct sockaddr_in name;
55 memset(&name, 0, sizeof(name));
56 name.sin_family = AF_INET;
57 name.sin_port = htons(port);
58 if((fd = socket(PF_INET, SOCK_STREAM, 0)) < 0)
61 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &valbuf, sizeof(valbuf));
62 if(bind(fd, (struct sockaddr *)&name, sizeof(name))) {
66 if(listen(fd, 16) < 0) {
73 static int listensock6(int port)
75 struct sockaddr_in6 name;
79 memset(&name, 0, sizeof(name));
80 name.sin6_family = AF_INET6;
81 name.sin6_port = htons(port);
82 if((fd = socket(PF_INET6, SOCK_STREAM, 0)) < 0)
85 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &valbuf, sizeof(valbuf));
86 if(bind(fd, (struct sockaddr *)&name, sizeof(name))) {
90 if(listen(fd, 16) < 0) {
97 static int initreq(struct conn *conn, struct hthead *req)
99 struct tcpconn *tcp = conn->pdata;
102 if(tcp->name.ss_family == AF_INET) {
103 headappheader(req, "X-Ash-Address", inet_ntop(AF_INET, &((struct sockaddr_in *)&tcp->name)->sin_addr, nmbuf, sizeof(nmbuf)));
104 headappheader(req, "X-Ash-Port", sprintf3("%i", ntohs(((struct sockaddr_in *)&tcp->name)->sin_port)));
105 } else if(tcp->name.ss_family == AF_INET6) {
106 headappheader(req, "X-Ash-Address", inet_ntop(AF_INET6, &((struct sockaddr_in6 *)&tcp->name)->sin6_addr, nmbuf, sizeof(nmbuf)));
107 headappheader(req, "X-Ash-Port", sprintf3("%i", ntohs(((struct sockaddr_in6 *)&tcp->name)->sin6_port)));
109 headappheader(req, "X-Ash-Server-Port", sprintf3("%i", tcp->port->sport));
110 headappheader(req, "X-Ash-Protocol", "http");
114 void servetcp(struct muth *muth, va_list args)
117 vavar(struct sockaddr_storage, name);
118 vavar(struct tcpport *, stcp);
123 memset(&conn, 0, sizeof(conn));
124 memset(&tcp, 0, sizeof(tcp));
125 in = mtstdopen(fd, 1, 60, "r+");
127 conn.initreq = initreq;
133 static void listenloop(struct muth *muth, va_list args)
135 vavar(struct tcpport *, tcp);
137 struct sockaddr_storage name;
141 namelen = sizeof(name);
142 block(tcp->fd, EV_READ, 0);
143 ns = accept(tcp->fd, (struct sockaddr *)&name, &namelen);
145 flog(LOG_ERR, "accept: %s", strerror(errno));
148 mustart(servetcp, ns, name, tcp);
156 void handleplain(int argc, char **argp, char **argv)
163 for(i = 0; i < argc; i++) {
164 if(!strcmp(argp[i], "help")) {
165 printf("plain handler parameters:\n");
166 printf("\tport=TCP-PORT (default is 80)\n");
168 } else if(!strcmp(argp[i], "port")) {
169 port = atoi(argv[i]);
171 flog(LOG_ERR, "unknown parameter `%s' to plain handler", argp[i]);
175 if((fd = listensock6(port)) < 0) {
176 flog(LOG_ERR, "could not listen on IPv6 (port %i): %s", port, strerror(errno));
182 mustart(listenloop, tcp);
183 if((fd = listensock4(port)) < 0) {
184 if(errno != EADDRINUSE) {
185 flog(LOG_ERR, "could not listen on IPv4 (port %i): %s", port, strerror(errno));
189 mustart(listenloop, fd, port);