packages: sort network related packages into package/network/

SVN-Revision: 33688

1 files changed, 0 insertions, 1288 deletions

diff --git a/package/uhttpd/src/uhttpd.c b/package/uhttpd/src/uhttpd.c
deleted file mode 100644
index 1efcbf0f51..0000000000
--- a/package/uhttpd/src/uhttpd.c
+++ /dev/null
@@ -1,1288 +0,0 @@
-/*
- * uhttpd - Tiny single-threaded httpd - Main component
- *
- *   Copyright (C) 2010 Jo-Philipp Wich <xm@subsignal.org>
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-
-#define _XOPEN_SOURCE 500	/* crypt() */
-
-#include "uhttpd.h"
-#include "uhttpd-utils.h"
-#include "uhttpd-file.h"
-
-#ifdef HAVE_CGI
-#include "uhttpd-cgi.h"
-#endif
-
-#ifdef HAVE_LUA
-#include "uhttpd-lua.h"
-#endif
-
-#ifdef HAVE_TLS
-#include "uhttpd-tls.h"
-#endif
-
-
-const char * http_methods[] = { "GET", "POST", "HEAD", };
-const char * http_versions[] = { "HTTP/0.9", "HTTP/1.0", "HTTP/1.1", };
-
-static int run = 1;
-
-static void uh_sigterm(int sig)
-{
-	run = 0;
-}
-
-static void uh_config_parse(struct config *conf)
-{
-	FILE *c;
-	char line[512];
-	char *col1 = NULL;
-	char *col2 = NULL;
-	char *eol  = NULL;
-
-	const char *path = conf->file ? conf->file : "/etc/httpd.conf";
-
-
-	if ((c = fopen(path, "r")) != NULL)
-	{
-		memset(line, 0, sizeof(line));
-
-		while (fgets(line, sizeof(line) - 1, c))
-		{
-			if ((line[0] == '/') && (strchr(line, ':') != NULL))
-			{
-				if (!(col1 = strchr(line, ':')) || (*col1++ = 0) ||
-				    !(col2 = strchr(col1, ':')) || (*col2++ = 0) ||
-					!(eol = strchr(col2, '\n')) || (*eol++  = 0))
-				{
-					continue;
-				}
-
-				if (!uh_auth_add(line, col1, col2))
-				{
-					fprintf(stderr,
-							"Notice: No password set for user %s, ignoring "
-							"authentication on %s\n", col1, line
-					);
-				}
-			}
-			else if (!strncmp(line, "I:", 2))
-			{
-				if (!(col1 = strchr(line, ':')) || (*col1++ = 0) ||
-				    !(eol = strchr(col1, '\n')) || (*eol++  = 0))
-				{
-				   	continue;
-				}
-
-				conf->index_file = strdup(col1);
-			}
-			else if (!strncmp(line, "E404:", 5))
-			{
-				if (!(col1 = strchr(line, ':')) || (*col1++ = 0) ||
-				    !(eol = strchr(col1, '\n')) || (*eol++  = 0))
-				{
-					continue;
-				}
-
-				conf->error_handler = strdup(col1);
-			}
-#ifdef HAVE_CGI
-			else if ((line[0] == '*') && (strchr(line, ':') != NULL))
-			{
-				if (!(col1 = strchr(line, '*')) || (*col1++ = 0) ||
-				    !(col2 = strchr(col1, ':')) || (*col2++ = 0) ||
-				    !(eol = strchr(col2, '\n')) || (*eol++  = 0))
-				{
-					continue;
-				}
-
-				if (!uh_interpreter_add(col1, col2))
-				{
-					fprintf(stderr,
-							"Unable to add interpreter %s for extension %s: "
-							"Out of memory\n", col2, col1
-					);
-				}
-			}
-#endif
-		}
-
-		fclose(c);
-	}
-}
-
-static void uh_listener_cb(struct uloop_fd *u, unsigned int events);
-
-static int uh_socket_bind(const char *host, const char *port,
-                          struct addrinfo *hints, int do_tls,
-                          struct config *conf)
-{
-	int sock = -1;
-	int yes = 1;
-	int status;
-	int bound = 0;
-
-	int tcp_ka_idl, tcp_ka_int, tcp_ka_cnt;
-
-	struct listener *l = NULL;
-	struct addrinfo *addrs = NULL, *p = NULL;
-
-	if ((status = getaddrinfo(host, port, hints, &addrs)) != 0)
-	{
-		fprintf(stderr, "getaddrinfo(): %s\n", gai_strerror(status));
-	}
-
-	/* try to bind a new socket to each found address */
-	for (p = addrs; p; p = p->ai_next)
-	{
-		/* get the socket */
-		if ((sock = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1)
-		{
-			perror("socket()");
-			goto error;
-		}
-
-		/* "address already in use" */
-		if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)))
-		{
-			perror("setsockopt()");
-			goto error;
-		}
-
-		/* TCP keep-alive */
-		if (conf->tcp_keepalive > 0)
-		{
-			tcp_ka_idl = 1;
-			tcp_ka_cnt = 3;
-			tcp_ka_int = conf->tcp_keepalive;
-
-			if (setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE, &yes, sizeof(yes)) ||
-			    setsockopt(sock, SOL_TCP, TCP_KEEPIDLE,  &tcp_ka_idl, sizeof(tcp_ka_idl)) ||
-			    setsockopt(sock, SOL_TCP, TCP_KEEPINTVL, &tcp_ka_int, sizeof(tcp_ka_int)) ||
-			    setsockopt(sock, SOL_TCP, TCP_KEEPCNT,   &tcp_ka_cnt, sizeof(tcp_ka_cnt)))
-			{
-			    fprintf(stderr, "Notice: Unable to enable TCP keep-alive: %s\n",
-			    	strerror(errno));
-			}
-		}
-
-		/* required to get parallel v4 + v6 working */
-		if (p->ai_family == AF_INET6)
-		{
-			if (setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, &yes, sizeof(yes)) == -1)
-			{
-				perror("setsockopt()");
-				goto error;
-			}
-		}
-
-		/* bind */
-		if (bind(sock, p->ai_addr, p->ai_addrlen) == -1)
-		{
-			perror("bind()");
-			goto error;
-		}
-
-		/* listen */
-		if (listen(sock, UH_LIMIT_CLIENTS) == -1)
-		{
-			perror("listen()");
-			goto error;
-		}
-
-		/* add listener to global list */
-		if (!(l = uh_listener_add(sock, conf)))
-		{
-			fprintf(stderr, "uh_listener_add(): Failed to allocate memory\n");
-			goto error;
-		}
-
-#ifdef HAVE_TLS
-		/* init TLS */
-		l->tls = do_tls ? conf->tls : NULL;
-#endif
-
-		/* add socket to uloop */
-		fd_cloexec(sock);
-		uh_ufd_add(&l->fd, uh_listener_cb, ULOOP_READ);
-
-		bound++;
-		continue;
-
-		error:
-		if (sock > 0)
-			close(sock);
-	}
-
-	freeaddrinfo(addrs);
-
-	return bound;
-}
-
-static struct http_request * uh_http_header_parse(struct client *cl,
-												  char *buffer, int buflen)
-{
-	char *method  = buffer;
-	char *path    = NULL;
-	char *version = NULL;
-
-	char *headers = NULL;
-	char *hdrname = NULL;
-	char *hdrdata = NULL;
-
-	int i;
-	int hdrcount = 0;
-
-	struct http_request *req = &cl->request;
-
-
-	/* terminate initial header line */
-	if ((headers = strfind(buffer, buflen, "\r\n", 2)) != NULL)
-	{
-		buffer[buflen-1] = 0;
-
-		*headers++ = 0;
-		*headers++ = 0;
-
-		/* find request path */
-		if ((path = strchr(buffer, ' ')) != NULL)
-			*path++ = 0;
-
-		/* find http version */
-		if ((path != NULL) && ((version = strchr(path, ' ')) != NULL))
-			*version++ = 0;
-
-
-		/* check method */
-		if (method && !strcmp(method, "GET"))
-			req->method = UH_HTTP_MSG_GET;
-		else if (method && !strcmp(method, "POST"))
-			req->method = UH_HTTP_MSG_POST;
-		else if (method && !strcmp(method, "HEAD"))
-			req->method = UH_HTTP_MSG_HEAD;
-		else
-		{
-			/* invalid method */
-			uh_http_response(cl, 405, "Method Not Allowed");
-			return NULL;
-		}
-
-		/* check path */
-		if (!path || !strlen(path))
-		{
-			/* malformed request */
-			uh_http_response(cl, 400, "Bad Request");
-			return NULL;
-		}
-		else
-		{
-			req->url = path;
-		}
-
-		/* check version */
-		if (version && !strcmp(version, "HTTP/0.9"))
-			req->version = UH_HTTP_VER_0_9;
-		else if (version && !strcmp(version, "HTTP/1.0"))
-			req->version = UH_HTTP_VER_1_0;
-		else if (version && !strcmp(version, "HTTP/1.1"))
-			req->version = UH_HTTP_VER_1_1;
-		else
-		{
-			/* unsupported version */
-			uh_http_response(cl, 400, "Bad Request");
-			return NULL;
-		}
-
-		D("SRV: %s %s %s\n",
-		  http_methods[req->method], req->url, http_versions[req->version]);
-
-		/* process header fields */
-		for (i = (int)(headers - buffer); i < buflen; i++)
-		{
-			/* found eol and have name + value, push out header tuple */
-			if (hdrname && hdrdata && (buffer[i] == '\r' || buffer[i] == '\n'))
-			{
-				buffer[i] = 0;
-
-				/* store */
-				if ((hdrcount + 1) < array_size(req->headers))
-				{
-					D("SRV: HTTP: %s: %s\n", hdrname, hdrdata);
-
-					req->headers[hdrcount++] = hdrname;
-					req->headers[hdrcount++] = hdrdata;
-
-					hdrname = hdrdata = NULL;
-				}
-
-				/* too large */
-				else
-				{
-					D("SRV: HTTP: header too big (too many headers)\n");
-					uh_http_response(cl, 413, "Request Entity Too Large");
-					return NULL;
-				}
-			}
-
-			/* have name but no value and found a colon, start of value */
-			else if (hdrname && !hdrdata &&
-					 ((i+1) < buflen) && (buffer[i] == ':'))
-			{
-				buffer[i] = 0;
-				hdrdata = &buffer[i+1];
-
-				while ((hdrdata + 1) < (buffer + buflen) && *hdrdata == ' ')
-					hdrdata++;
-			}
-
-			/* have no name and found [A-Za-z], start of name */
-			else if (!hdrname && isalpha(buffer[i]))
-			{
-				hdrname = &buffer[i];
-			}
-		}
-
-		/* valid enough */
-		req->redirect_status = 200;
-		return req;
-	}
-
-	/* Malformed request */
-	uh_http_response(cl, 400, "Bad Request");
-	return NULL;
-}
-
-
-static struct http_request * uh_http_header_recv(struct client *cl)
-{
-	char *bufptr = cl->httpbuf.buf;
-	char *idxptr = NULL;
-
-	ssize_t blen = sizeof(cl->httpbuf.buf)-1;
-	ssize_t rlen = 0;
-
-	memset(bufptr, 0, sizeof(cl->httpbuf.buf));
-
-	while (blen > 0)
-	{
-		/* receive data */
-		ensure_out(rlen = uh_tcp_recv(cl, bufptr, blen));
-		D("SRV: Client(%d) peek(%d) = %d\n", cl->fd.fd, blen, rlen);
-
-		if (rlen <= 0)
-		{
-			D("SRV: Client(%d) dead [%s]\n", cl->fd.fd, strerror(errno));
-			return NULL;
-		}
-
-		blen -= rlen;
-		bufptr += rlen;
-
-		if ((idxptr = strfind(cl->httpbuf.buf, sizeof(cl->httpbuf.buf),
-							  "\r\n\r\n", 4)))
-		{
-			/* header read complete ... */
-			cl->httpbuf.ptr = idxptr + 4;
-			cl->httpbuf.len = bufptr - cl->httpbuf.ptr;
-
-			return uh_http_header_parse(cl, cl->httpbuf.buf,
-										(cl->httpbuf.ptr - cl->httpbuf.buf));
-		}
-	}
-
-	/* request entity too large */
-	D("SRV: HTTP: header too big (buffer exceeded)\n");
-	uh_http_response(cl, 413, "Request Entity Too Large");
-
-out:
-	return NULL;
-}
-
-#if defined(HAVE_LUA) || defined(HAVE_CGI)
-static int uh_path_match(const char *prefix, const char *url)
-{
-	if ((strstr(url, prefix) == url) &&
-		((prefix[strlen(prefix)-1] == '/') ||
-		 (strlen(url) == strlen(prefix))   ||
-		 (url[strlen(prefix)] == '/')))
-	{
-		return 1;
-	}
-
-	return 0;
-}
-#endif
-
-static bool uh_dispatch_request(struct client *cl, struct http_request *req)
-{
-	struct path_info *pin;
-	struct interpreter *ipr = NULL;
-	struct config *conf = cl->server->conf;
-
-#ifdef HAVE_LUA
-	/* Lua request? */
-	if (conf->lua_state &&
-		uh_path_match(conf->lua_prefix, req->url))
-	{
-		return conf->lua_request(cl, conf->lua_state);
-	}
-	else
-#endif
-
-#ifdef HAVE_UBUS
-	/* ubus request? */
-	if (conf->ubus_state &&
-		uh_path_match(conf->ubus_prefix, req->url))
-	{
-		return conf->ubus_request(cl, conf->ubus_state);
-	}
-	else
-#endif
-
-	/* dispatch request */
-	if ((pin = uh_path_lookup(cl, req->url)) != NULL)
-	{
-		/* auth ok? */
-		if (!pin->redirected && uh_auth_check(cl, req, pin))
-		{
-#ifdef HAVE_CGI
-			if (uh_path_match(conf->cgi_prefix, pin->name) ||
-				(ipr = uh_interpreter_lookup(pin->phys)) != NULL)
-			{
-				return uh_cgi_request(cl, pin, ipr);
-			}
-#endif
-			return uh_file_request(cl, pin);
-		}
-	}
-
-	/* 404 - pass 1 */
-	else
-	{
-		/* Try to invoke an error handler */
-		if ((pin = uh_path_lookup(cl, conf->error_handler)) != NULL)
-		{
-			/* auth ok? */
-			if (uh_auth_check(cl, req, pin))
-			{
-				req->redirect_status = 404;
-#ifdef HAVE_CGI
-				if (uh_path_match(conf->cgi_prefix, pin->name) ||
-					(ipr = uh_interpreter_lookup(pin->phys)) != NULL)
-				{
-					return uh_cgi_request(cl, pin, ipr);
-				}
-#endif
-				return uh_file_request(cl, pin);
-			}
-		}
-
-		/* 404 - pass 2 */
-		else
-		{
-			uh_http_sendhf(cl, 404, "Not Found", "No such file or directory");
-		}
-	}
-
-	return false;
-}
-
-static void uh_socket_cb(struct uloop_fd *u, unsigned int events);
-
-static void uh_listener_cb(struct uloop_fd *u, unsigned int events)
-{
-	int new_fd;
-	struct listener *serv;
-	struct client *cl;
-	struct config *conf;
-
-	struct sockaddr_in6 sa;
-	socklen_t sl = sizeof(sa);
-
-	serv = container_of(u, struct listener, fd);
-	conf = serv->conf;
-
-	/* defer client if maximum number of requests is exceeded */
-	if (serv->n_clients >= conf->max_requests)
-		return;
-
-	/* handle new connections */
-	if ((new_fd = accept(u->fd, (struct sockaddr *)&sa, &sl)) != -1)
-	{
-		D("SRV: Server(%d) accept => Client(%d)\n", u->fd, new_fd);
-
-		/* add to global client list */
-		if ((cl = uh_client_add(new_fd, serv, &sa)) != NULL)
-		{
-			/* add client socket to global fdset */
-			uh_ufd_add(&cl->fd, uh_socket_cb, ULOOP_READ);
-			fd_cloexec(cl->fd.fd);
-
-#ifdef HAVE_TLS
-			/* setup client tls context */
-			if (conf->tls)
-			{
-				if (conf->tls_accept(cl) < 1)
-				{
-					D("SRV: Client(%d) SSL handshake failed, drop\n", new_fd);
-
-					/* remove from global client list */
-					uh_client_remove(cl);
-					return;
-				}
-			}
-#endif
-		}
-
-		/* insufficient resources */
-		else
-		{
-			fprintf(stderr, "uh_client_add(): Cannot allocate memory\n");
-			close(new_fd);
-		}
-	}
-}
-
-static void uh_client_cb(struct client *cl, unsigned int events);
-
-static void uh_rpipe_cb(struct uloop_fd *u, unsigned int events)
-{
-	struct client *cl = container_of(u, struct client, rpipe);
-
-	D("SRV: Client(%d) rpipe readable\n", cl->fd.fd);
-
-	uh_client_cb(cl, ULOOP_WRITE);
-}
-
-static void uh_socket_cb(struct uloop_fd *u, unsigned int events)
-{
-	struct client *cl = container_of(u, struct client, fd);
-
-	D("SRV: Client(%d) socket readable\n", cl->fd.fd);
-
-	uh_client_cb(cl, ULOOP_READ);
-}
-
-static void uh_child_cb(struct uloop_process *p, int rv)
-{
-	struct client *cl = container_of(p, struct client, proc);
-
-	D("SRV: Client(%d) child(%d) dead\n", cl->fd.fd, cl->proc.pid);
-
-	uh_client_cb(cl, ULOOP_READ | ULOOP_WRITE);
-}
-
-static void uh_kill9_cb(struct uloop_timeout *t)
-{
-	struct client *cl = container_of(t, struct client, timeout);
-
-	if (!kill(cl->proc.pid, 0))
-	{
-		D("SRV: Client(%d) child(%d) kill(SIGKILL)...\n",
-		  cl->fd.fd, cl->proc.pid);
-
-		kill(cl->proc.pid, SIGKILL);
-	}
-}
-
-static void uh_timeout_cb(struct uloop_timeout *t)
-{
-	struct client *cl = container_of(t, struct client, timeout);
-
-	D("SRV: Client(%d) child(%d) timed out\n", cl->fd.fd, cl->proc.pid);
-
-	if (!kill(cl->proc.pid, 0))
-	{
-		D("SRV: Client(%d) child(%d) kill(SIGTERM)...\n",
-		  cl->fd.fd, cl->proc.pid);
-
-		kill(cl->proc.pid, SIGTERM);
-
-		cl->timeout.cb = uh_kill9_cb;
-		uloop_timeout_set(&cl->timeout, 1000);
-	}
-}
-
-static void uh_client_cb(struct client *cl, unsigned int events)
-{
-	int i;
-	struct config *conf;
-	struct http_request *req;
-
-	conf = cl->server->conf;
-
-	D("SRV: Client(%d) enter callback\n", cl->fd.fd);
-
-	/* undispatched yet */
-	if (!cl->dispatched)
-	{
-		/* we have no headers yet and this was a write event, ignore... */
-		if (!(events & ULOOP_READ))
-		{
-			D("SRV: Client(%d) ignoring write event before headers\n", cl->fd.fd);
-			return;
-		}
-
-		/* attempt to receive and parse headers */
-		if (!(req = uh_http_header_recv(cl)))
-		{
-			D("SRV: Client(%d) failed to receive header\n", cl->fd.fd);
-			uh_client_shutdown(cl);
-			return;
-		}
-
-		/* process expect headers */
-		foreach_header(i, req->headers)
-		{
-			if (strcasecmp(req->headers[i], "Expect"))
-				continue;
-
-			if (strcasecmp(req->headers[i+1], "100-continue"))
-			{
-				D("SRV: Client(%d) unknown expect header (%s)\n",
-				  cl->fd.fd, req->headers[i+1]);
-
-				uh_http_response(cl, 417, "Precondition Failed");
-				uh_client_shutdown(cl);
-				return;
-			}
-			else
-			{
-				D("SRV: Client(%d) sending HTTP/1.1 100 Continue\n", cl->fd.fd);
-
-				uh_http_sendf(cl, NULL, "HTTP/1.1 100 Continue\r\n\r\n");
-				cl->httpbuf.len = 0; /* client will re-send the body */
-				break;
-			}
-		}
-
-		/* RFC1918 filtering */
-		if (conf->rfc1918_filter &&
-			sa_rfc1918(&cl->peeraddr) && !sa_rfc1918(&cl->servaddr))
-		{
-			uh_http_sendhf(cl, 403, "Forbidden",
-						   "Rejected request from RFC1918 IP "
-						   "to public server address");
-
-			uh_client_shutdown(cl);
-			return;
-		}
-
-		/* dispatch request */
-		if (!uh_dispatch_request(cl, req))
-		{
-			D("SRV: Client(%d) failed to dispach request\n", cl->fd.fd);
-			uh_client_shutdown(cl);
-			return;
-		}
-
-		/* request handler spawned a pipe, register handler */
-		if (cl->rpipe.fd > -1)
-		{
-			D("SRV: Client(%d) pipe(%d) spawned\n", cl->fd.fd, cl->rpipe.fd);
-
-			uh_ufd_add(&cl->rpipe, uh_rpipe_cb, ULOOP_READ);
-		}
-
-		/* request handler spawned a child, register handler */
-		if (cl->proc.pid)
-		{
-			D("SRV: Client(%d) child(%d) spawned\n", cl->fd.fd, cl->proc.pid);
-
-			cl->proc.cb = uh_child_cb;
-			uloop_process_add(&cl->proc);
-
-			cl->timeout.cb = uh_timeout_cb;
-			uloop_timeout_set(&cl->timeout, conf->script_timeout * 1000);
-		}
-
-		/* header processing complete */
-		D("SRV: Client(%d) dispatched\n", cl->fd.fd);
-		cl->dispatched = true;
-	}
-
-	if (!cl->cb(cl))
-	{
-		D("SRV: Client(%d) response callback signalized EOF\n", cl->fd.fd);
-		uh_client_shutdown(cl);
-		return;
-	}
-}
-
-#ifdef HAVE_TLS
-static inline int uh_inittls(struct config *conf)
-{
-	/* library handle */
-	void *lib;
-
-	/* already loaded */
-	if (conf->tls != NULL)
-		return 0;
-
-	/* load TLS plugin */
-	if (!(lib = dlopen("uhttpd_tls.so", RTLD_LAZY | RTLD_GLOBAL)))
-	{
-		fprintf(stderr,
-				"Notice: Unable to load TLS plugin - disabling SSL support! "
-				"(Reason: %s)\n", dlerror()
-		);
-
-		return 1;
-	}
-	else
-	{
-		/* resolve functions */
-		if (!(conf->tls_init   = dlsym(lib, "uh_tls_ctx_init"))      ||
-		    !(conf->tls_cert   = dlsym(lib, "uh_tls_ctx_cert"))      ||
-		    !(conf->tls_key    = dlsym(lib, "uh_tls_ctx_key"))       ||
-		    !(conf->tls_free   = dlsym(lib, "uh_tls_ctx_free"))      ||
-		    !(conf->tls_accept = dlsym(lib, "uh_tls_client_accept")) ||
-		    !(conf->tls_close  = dlsym(lib, "uh_tls_client_close"))  ||
-		    !(conf->tls_recv   = dlsym(lib, "uh_tls_client_recv"))   ||
-		    !(conf->tls_send   = dlsym(lib, "uh_tls_client_send")))
-		{
-			fprintf(stderr,
-					"Error: Failed to lookup required symbols "
-					"in TLS plugin: %s\n", dlerror()
-			);
-			exit(1);
-		}
-
-		/* init SSL context */
-		if (!(conf->tls = conf->tls_init()))
-		{
-			fprintf(stderr, "Error: Failed to initalize SSL context\n");
-			exit(1);
-		}
-	}
-
-	return 0;
-}
-#endif
-
-int main (int argc, char **argv)
-{
-	/* working structs */
-	struct addrinfo hints;
-	struct sigaction sa;
-	struct config conf;
-
-	/* maximum file descriptor number */
-	int cur_fd = 0;
-
-#ifdef HAVE_TLS
-	int tls = 0;
-	int keys = 0;
-#endif
-
-	int bound = 0;
-	int nofork = 0;
-
-	/* args */
-	int opt;
-	char addr[128];
-	char *port = NULL;
-
-#if defined(HAVE_LUA) || defined(HAVE_TLS) || defined(HAVE_UBUS)
-	/* library handle */
-	void *lib;
-#endif
-
-	/* handle SIGPIPE, SIGINT, SIGTERM */
-	sa.sa_flags = 0;
-	sigemptyset(&sa.sa_mask);
-
-	sa.sa_handler = SIG_IGN;
-	sigaction(SIGPIPE, &sa, NULL);
-
-	sa.sa_handler = uh_sigterm;
-	sigaction(SIGINT,  &sa, NULL);
-	sigaction(SIGTERM, &sa, NULL);
-
-	/* prepare addrinfo hints */
-	memset(&hints, 0, sizeof(hints));
-	hints.ai_family   = AF_UNSPEC;
-	hints.ai_socktype = SOCK_STREAM;
-	hints.ai_flags    = AI_PASSIVE;
-
-	/* parse args */
-	memset(&conf, 0, sizeof(conf));
-
-	uloop_init();
-
-	while ((opt = getopt(argc, argv,
-						 "fSDRC:K:E:I:p:s:h:c:l:L:d:r:m:n:x:i:t:T:A:u:U:")) > 0)
-	{
-		switch(opt)
-		{
-			/* [addr:]port */
-			case 'p':
-			case 's':
-				memset(addr, 0, sizeof(addr));
-
-				if ((port = strrchr(optarg, ':')) != NULL)
-				{
-					if ((optarg[0] == '[') && (port > optarg) && (port[-1] == ']'))
-						memcpy(addr, optarg + 1,
-							min(sizeof(addr), (int)(port - optarg) - 2));
-					else
-						memcpy(addr, optarg,
-							min(sizeof(addr), (int)(port - optarg)));
-
-					port++;
-				}
-				else
-				{
-					port = optarg;
-				}
-
-#ifdef HAVE_TLS
-				if (opt == 's')
-				{
-					if (uh_inittls(&conf))
-					{
-						fprintf(stderr,
-							"Notice: TLS support is disabled, "
-							"ignoring '-s %s'\n", optarg
-						);
-						continue;
-					}
-
-					tls = 1;
-				}
-#endif
-
-				/* bind sockets */
-				bound += uh_socket_bind(addr[0] ? addr : NULL, port, &hints,
-				                        (opt == 's'), &conf);
-				break;
-
-#ifdef HAVE_TLS
-			/* certificate */
-			case 'C':
-				if (!uh_inittls(&conf))
-				{
-					if (conf.tls_cert(conf.tls, optarg) < 1)
-					{
-						fprintf(stderr,
-								"Error: Invalid certificate file given\n");
-						exit(1);
-					}
-
-					keys++;
-				}
-
-				break;
-
-			/* key */
-			case 'K':
-				if (!uh_inittls(&conf))
-				{
-					if (conf.tls_key(conf.tls, optarg) < 1)
-					{
-						fprintf(stderr,
-								"Error: Invalid private key file given\n");
-						exit(1);
-					}
-
-					keys++;
-				}
-
-				break;
-#else
-			case 'C':
-			case 'K':
-				fprintf(stderr,
-				        "Notice: TLS support not compiled, ignoring -%c\n",
-				        opt);
-				break;
-#endif
-
-			/* docroot */
-			case 'h':
-				if (! realpath(optarg, conf.docroot))
-				{
-					fprintf(stderr, "Error: Invalid directory %s: %s\n",
-							optarg, strerror(errno));
-					exit(1);
-				}
-				break;
-
-			/* error handler */
-			case 'E':
-				if ((strlen(optarg) == 0) || (optarg[0] != '/'))
-				{
-					fprintf(stderr, "Error: Invalid error handler: %s\n",
-							optarg);
-					exit(1);
-				}
-				conf.error_handler = optarg;
-				break;
-
-			/* index file */
-			case 'I':
-				if ((strlen(optarg) == 0) || (optarg[0] == '/'))
-				{
-					fprintf(stderr, "Error: Invalid index page: %s\n",
-							optarg);
-					exit(1);
-				}
-				conf.index_file = optarg;
-				break;
-
-			/* don't follow symlinks */
-			case 'S':
-				conf.no_symlinks = 1;
-				break;
-
-			/* don't list directories */
-			case 'D':
-				conf.no_dirlists = 1;
-				break;
-
-			case 'R':
-				conf.rfc1918_filter = 1;
-				break;
-
-			case 'n':
-				conf.max_requests = atoi(optarg);
-				break;
-
-#ifdef HAVE_CGI
-			/* cgi prefix */
-			case 'x':
-				conf.cgi_prefix = optarg;
-				break;
-
-			/* interpreter */
-			case 'i':
-				if ((optarg[0] == '.') && (port = strchr(optarg, '=')))
-				{
-					*port++ = 0;
-					uh_interpreter_add(optarg, port);
-				}
-				else
-				{
-					fprintf(stderr, "Error: Invalid interpreter: %s\n",
-							optarg);
-					exit(1);
-				}
-				break;
-#else
-			case 'x':
-			case 'i':
-				fprintf(stderr,
-				        "Notice: CGI support not compiled, ignoring -%c\n",
-				        opt);
-				break;
-#endif
-
-#ifdef HAVE_LUA
-			/* lua prefix */
-			case 'l':
-				conf.lua_prefix = optarg;
-				break;
-
-			/* lua handler */
-			case 'L':
-				conf.lua_handler = optarg;
-				break;
-#else
-			case 'l':
-			case 'L':
-				fprintf(stderr,
-				        "Notice: Lua support not compiled, ignoring -%c\n",
-				        opt);
-				break;
-#endif
-
-#ifdef HAVE_UBUS
-			/* ubus prefix */
-			case 'u':
-				conf.ubus_prefix = optarg;
-				break;
-
-			/* ubus socket */
-			case 'U':
-				conf.ubus_socket = optarg;
-				break;
-#else
-			case 'u':
-			case 'U':
-				fprintf(stderr,
-				        "Notice: UBUS support not compiled, ignoring -%c\n",
-				        opt);
-				break;
-#endif
-
-#if defined(HAVE_CGI) || defined(HAVE_LUA)
-			/* script timeout */
-			case 't':
-				conf.script_timeout = atoi(optarg);
-				break;
-#endif
-
-			/* network timeout */
-			case 'T':
-				conf.network_timeout = atoi(optarg);
-				break;
-
-			/* tcp keep-alive */
-			case 'A':
-				conf.tcp_keepalive = atoi(optarg);
-				break;
-
-			/* no fork */
-			case 'f':
-				nofork = 1;
-				break;
-
-			/* urldecode */
-			case 'd':
-				if ((port = malloc(strlen(optarg)+1)) != NULL)
-				{
-					/* "decode" plus to space to retain compat */
-					for (opt = 0; optarg[opt]; opt++)
-						if (optarg[opt] == '+')
-							optarg[opt] = ' ';
-					/* opt now contains strlen(optarg) -- no need to re-scan */
-					memset(port, 0, opt+1);
-					if (uh_urldecode(port, opt, optarg, opt) < 0)
-					    fprintf(stderr, "uhttpd: invalid encoding\n");
-
-					printf("%s", port);
-					free(port);
-					exit(0);
-				}
-				break;
-
-			/* basic auth realm */
-			case 'r':
-				conf.realm = optarg;
-				break;
-
-			/* md5 crypt */
-			case 'm':
-				printf("%s\n", crypt(optarg, "$1$"));
-				exit(0);
-				break;
-
-			/* config file */
-			case 'c':
-				conf.file = optarg;
-				break;
-
-			default:
-				fprintf(stderr,
-					"Usage: %s -p [addr:]port [-h docroot]\n"
-					"	-f              Do not fork to background\n"
-					"	-c file         Configuration file, default is '/etc/httpd.conf'\n"
-					"	-p [addr:]port  Bind to specified address and port, multiple allowed\n"
-#ifdef HAVE_TLS
-					"	-s [addr:]port  Like -p but provide HTTPS on this port\n"
-					"	-C file         ASN.1 server certificate file\n"
-					"	-K file         ASN.1 server private key file\n"
-#endif
-					"	-h directory    Specify the document root, default is '.'\n"
-					"	-E string       Use given virtual URL as 404 error handler\n"
-					"	-I string       Use given filename as index page for directories\n"
-					"	-S              Do not follow symbolic links outside of the docroot\n"
-					"	-D              Do not allow directory listings, send 403 instead\n"
-					"	-R              Enable RFC1918 filter\n"
-					"	-n count        Maximum allowed number of concurrent requests\n"
-#ifdef HAVE_LUA
-					"	-l string       URL prefix for Lua handler, default is '/lua'\n"
-					"	-L file         Lua handler script, omit to disable Lua\n"
-#endif
-#ifdef HAVE_UBUS
-					"	-u string       URL prefix for HTTP/JSON handler\n"
-					"	-U file         Override ubus socket path\n"
-#endif
-#ifdef HAVE_CGI
-					"	-x string       URL prefix for CGI handler, default is '/cgi-bin'\n"
-					"	-i .ext=path    Use interpreter at path for files with the given extension\n"
-#endif
-#if defined(HAVE_CGI) || defined(HAVE_LUA) || defined(HAVE_UBUS)
-					"	-t seconds      CGI, Lua and UBUS script timeout in seconds, default is 60\n"
-#endif
-					"	-T seconds      Network timeout in seconds, default is 30\n"
-					"	-d string       URL decode given string\n"
-					"	-r string       Specify basic auth realm\n"
-					"	-m string       MD5 crypt given string\n"
-					"\n", argv[0]
-				);
-
-				exit(1);
-		}
-	}
-
-#ifdef HAVE_TLS
-	if ((tls == 1) && (keys < 2))
-	{
-		fprintf(stderr, "Error: Missing private key or certificate file\n");
-		exit(1);
-	}
-#endif
-
-	if (bound < 1)
-	{
-		fprintf(stderr, "Error: No sockets bound, unable to continue\n");
-		exit(1);
-	}
-
-	/* default docroot */
-	if (!conf.docroot[0] && !realpath(".", conf.docroot))
-	{
-		fprintf(stderr, "Error: Can not determine default document root: %s\n",
-			strerror(errno));
-		exit(1);
-	}
-
-	/* default realm */
-	if (!conf.realm)
-		conf.realm = "Protected Area";
-
-	/* config file */
-	uh_config_parse(&conf);
-
-	/* default max requests */
-	if (conf.max_requests <= 0)
-		conf.max_requests = 3;
-
-	/* default network timeout */
-	if (conf.network_timeout <= 0)
-		conf.network_timeout = 30;
-
-#if defined(HAVE_CGI) || defined(HAVE_LUA) || defined(HAVE_UBUS)
-	/* default script timeout */
-	if (conf.script_timeout <= 0)
-		conf.script_timeout = 60;
-#endif
-
-#ifdef HAVE_CGI
-	/* default cgi prefix */
-	if (!conf.cgi_prefix)
-		conf.cgi_prefix = "/cgi-bin";
-#endif
-
-#ifdef HAVE_LUA
-	/* load Lua plugin */
-	if (!(lib = dlopen("uhttpd_lua.so", RTLD_LAZY | RTLD_GLOBAL)))
-	{
-		fprintf(stderr,
-				"Notice: Unable to load Lua plugin - disabling Lua support! "
-				"(Reason: %s)\n", dlerror());
-	}
-	else
-	{
-		/* resolve functions */
-		if (!(conf.lua_init    = dlsym(lib, "uh_lua_init"))    ||
-		    !(conf.lua_close   = dlsym(lib, "uh_lua_close"))   ||
-		    !(conf.lua_request = dlsym(lib, "uh_lua_request")))
-		{
-			fprintf(stderr,
-					"Error: Failed to lookup required symbols "
-					"in Lua plugin: %s\n", dlerror()
-			);
-			exit(1);
-		}
-
-		/* init Lua runtime if handler is specified */
-		if (conf.lua_handler)
-		{
-			/* default lua prefix */
-			if (!conf.lua_prefix)
-				conf.lua_prefix = "/lua";
-
-			conf.lua_state = conf.lua_init(&conf);
-		}
-	}
-#endif
-
-#ifdef HAVE_UBUS
-	/* load ubus plugin */
-	if (!(lib = dlopen("uhttpd_ubus.so", RTLD_LAZY | RTLD_GLOBAL)))
-	{
-		fprintf(stderr,
-				"Notice: Unable to load ubus plugin - disabling ubus support! "
-				"(Reason: %s)\n", dlerror());
-	}
-	else if (conf.ubus_prefix)
-	{
-		/* resolve functions */
-		if (!(conf.ubus_init    = dlsym(lib, "uh_ubus_init"))    ||
-		    !(conf.ubus_close   = dlsym(lib, "uh_ubus_close"))   ||
-		    !(conf.ubus_request = dlsym(lib, "uh_ubus_request")))
-		{
-			fprintf(stderr,
-					"Error: Failed to lookup required symbols "
-					"in ubus plugin: %s\n", dlerror()
-			);
-			exit(1);
-		}
-
-		/* initialize ubus */
-		conf.ubus_state = conf.ubus_init(&conf);
-	}
-#endif
-
-	/* fork (if not disabled) */
-	if (!nofork)
-	{
-		switch (fork())
-		{
-			case -1:
-				perror("fork()");
-				exit(1);
-
-			case 0:
-				/* daemon setup */
-				if (chdir("/"))
-					perror("chdir()");
-
-				if ((cur_fd = open("/dev/null", O_WRONLY)) > -1)
-					dup2(cur_fd, 0);
-
-				if ((cur_fd = open("/dev/null", O_RDONLY)) > -1)
-					dup2(cur_fd, 1);
-
-				if ((cur_fd = open("/dev/null", O_RDONLY)) > -1)
-					dup2(cur_fd, 2);
-
-				break;
-
-			default:
-				exit(0);
-		}
-	}
-
-	/* server main loop */
-	uloop_run();
-
-#ifdef HAVE_LUA
-	/* destroy the Lua state */
-	if (conf.lua_state != NULL)
-		conf.lua_close(conf.lua_state);
-#endif
-
-#ifdef HAVE_UBUS
-	/* destroy the ubus state */
-	if (conf.ubus_state != NULL)
-		conf.ubus_close(conf.ubus_state);
-#endif
-
-	return 0;
-}