This project has been renamed to `pacredir`. Please...HEADmaster

... get it from
https://github.com/eworm-de/pacredir#pacredir or
https://git.eworm.de/cgit.cgi/pacredir/about/

1 files changed, 0 insertions, 774 deletions

diff --git a/pacredir.c b/pacredir.c
deleted file mode 100644
index 60fca60..0000000
--- a/pacredir.c
+++ /dev/null
@@ -1,774 +0,0 @@
-/*
- * (C) 2013-2017 by Christian Hesse <mail@eworm.de>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- */
-
-/* define structs and functions */
-#include "pacredir.h"
-
-const static char optstring[] = "hvV";
-const static struct option options_long[] = {
-	/* name		has_arg		flag	val */
-	{ "help",	no_argument,	NULL,	'h' },
-	{ "verbose",	no_argument,	NULL,	'v' },
-	{ "version",	no_argument,	NULL,	'V' },
-	{ 0, 0, 0, 0 }
-};
-
-/* global variables */
-struct hosts * hosts = NULL;
-struct ignore_interfaces * ignore_interfaces = NULL;
-int max_threads = 0;
-static AvahiSimplePoll *simple_poll = NULL;
-uint8_t verbose = 0;
-
-/*** write_log ***/
-int write_log(FILE *stream, const char *format, ...) {
-	va_list args;
-	va_start(args, format);
-
-	vfprintf(stream, format, args);
-	fflush(stream);
-
-	return EXIT_SUCCESS;
-}
-
-/*** get_fqdn ***/
-char * get_fqdn(const char * hostname, const char * domainname) {
-	char * name;
-
-	name = malloc(strlen(hostname) + strlen(domainname) + 2 /* '.' and null char */);
-	sprintf(name, "%s.%s", hostname, domainname);
-
-	return name;
-}
-
-/*** get_url ***/
-char * get_url(const char * hostname, const uint16_t port, const char * uri) {
-	char * url;
-
-	url = malloc(10 /* static chars of an url & null char */
-			+ strlen(hostname)
-			+ 5 /* max strlen of decimal 16bit value */
-			+ strlen(uri));
-	sprintf(url, "http://%s:%d/%s",
-			hostname, port, uri);
-
-	return url;
-}
-
-/*** add_host ***/
-int add_host(const char * host, const uint16_t port, const char * type) {
-	struct hosts * tmphosts = hosts;
-	struct request request;
-
-	while (tmphosts->host != NULL) {
-		if (strcmp(tmphosts->host, host) == 0) {
-			/* host already exists */
-			if (verbose > 0)
-				write_log(stdout, "Updating service %s (port %d) on host %s\n",
-						type, port, host);
-			goto update;
-		}
-		tmphosts = tmphosts->next;
-	}
-
-	/* host not found, adding a new one */
-	if (verbose > 0)
-		write_log(stdout, "Adding host %s with service %s (port %d)\n",
-				host, type, port);
-	tmphosts->host = strdup(host);
-
-	tmphosts->pacserve.port = 0;
-	tmphosts->pacserve.online = 0;
-	tmphosts->pacserve.badtime = 0;
-	tmphosts->pacserve.badcount = 0;
-
-	tmphosts->pacdbserve.port = 0;
-	tmphosts->pacdbserve.online = 0;
-	tmphosts->pacdbserve.badtime = 0;
-	tmphosts->pacdbserve.badcount = 0;
-
-	tmphosts->next = malloc(sizeof(struct hosts));
-	tmphosts->next->host = NULL;
-	tmphosts->next->next = NULL;
-
-update:
-	if (strcmp(type, PACSERVE) == 0) {
-		tmphosts->pacserve.online = 1;
-		tmphosts->pacserve.port = port;
-		request.service = &tmphosts->pacserve;
-	} else if (strcmp(type, PACDBSERVE) == 0) {
-		tmphosts->pacdbserve.online = 1;
-		tmphosts->pacdbserve.port = port;
-		request.service = &tmphosts->pacdbserve;
-	}
-
-	/* do a first request and let get_http_code() set the bad status */
-	request.host = tmphosts->host;
-	request.url = get_url(request.host, request.service->port, "");
-	request.http_code = 0;
-	request.last_modified = 0;
-	get_http_code(&request);
-	free(request.url);
-
-	return EXIT_SUCCESS;
-}
-
-/*** remove_host ***/
-int remove_host(const char * host, const char * type) {
-	struct hosts * tmphosts = hosts;
-
-	while (tmphosts->host != NULL) {
-		if (strcmp(tmphosts->host, host) == 0) {
-			if (verbose > 0)
-				write_log(stdout, "Marking service %s on host %s offline\n",
-						type, host);
-			if (strcmp(type, PACSERVE) == 0) {
-				tmphosts->pacserve.online = 0;
-			} else if (strcmp(type, PACDBSERVE) == 0) {
-				tmphosts->pacdbserve.online = 0;
-			}
-			break;
-		}
-		tmphosts = tmphosts->next;
-	}
-
-	return EXIT_SUCCESS;
-}
-
-/*** browse_callback ***
- * Called whenever a new services becomes available on the LAN or is removed from the LAN */
-static void browse_callback(AvahiServiceBrowser *b,
-		AvahiIfIndex interface,
-		AvahiProtocol protocol,
-		AvahiBrowserEvent event,
-		const char *name,
-		const char *type,
-		const char *domain,
-		AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
-		void* userdata) {
-	char * host;
-	char intname[IFNAMSIZ];
-	struct ignore_interfaces * tmp_ignore_interfaces = ignore_interfaces;
-
-	assert(b);
-
-	switch (event) {
-		case AVAHI_BROWSER_FAILURE:
-
-			write_log(stderr, "%s\n", avahi_strerror(avahi_client_errno(avahi_service_browser_get_client(b))));
-			avahi_simple_poll_quit(simple_poll);
-			return;
-
-		case AVAHI_BROWSER_NEW:
-			host = get_fqdn(name, domain);
-
-			if (flags & AVAHI_LOOKUP_RESULT_LOCAL)
-				goto out;
-
-			/* check whether to ignore the interface */
-			if_indextoname(interface, intname);
-			while (tmp_ignore_interfaces->next != NULL) {
-				if (strcmp(intname, tmp_ignore_interfaces->interface) == 0) {
-					if (verbose > 0)
-						write_log(stdout, "Ignoring service %s on host %s on interface %s\n",
-								type, host, intname);
-					goto out;
-				}
-				tmp_ignore_interfaces = tmp_ignore_interfaces->next;
-			}
-
-			if (verbose > 0)
-				write_log(stdout, "Found service %s on host %s on interface %s\n",
-						type, host, intname);
-
-			add_host(host, strcmp(type, PACSERVE) == 0 ? PORT_PACSERVE : PORT_PACDBSERVE, type);
-out:
-			free(host);
-
-			break;
-
-		case AVAHI_BROWSER_REMOVE:
-			host = get_fqdn(name, domain);
-
-			if (verbose > 0)
-				write_log(stdout, "Service %s on host %s disappeared\n",
-						type, host);
-
-			remove_host(host, type);
-
-			free(host);
-
-			break;
-
-		case AVAHI_BROWSER_ALL_FOR_NOW:
-		case AVAHI_BROWSER_CACHE_EXHAUSTED:
-			break;
-	}
-}
-
-/*** client_callback ***/
-static void client_callback(AvahiClient *c,
-		AvahiClientState state,
-		AVAHI_GCC_UNUSED void * userdata) {
-	assert(c);
-
-	if (state == AVAHI_CLIENT_FAILURE) {
-		write_log(stderr, "Server connection failure: %s\n", avahi_strerror(avahi_client_errno(c)));
-		avahi_simple_poll_quit(simple_poll);
-	}
-}
-
-/*** get_http_code ***/
-static void * get_http_code(void * data) {
-	struct request * request = (struct request *)data;
-	CURL *curl;
-	CURLcode res;
-	char errbuf[CURL_ERROR_SIZE];
-	struct timeval tv;
-
-	gettimeofday(&tv, NULL);
-
-	if ((curl = curl_easy_init()) != NULL) {
-		curl_easy_setopt(curl, CURLOPT_URL, request->url);
-		/* try to resolve addresses to all IP versions that your system allows */
-		curl_easy_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_WHATEVER);
-		/* tell libcurl to follow redirection */
-		curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
-		/* set user agent */
-		curl_easy_setopt(curl, CURLOPT_USERAGENT, "pacredir/" VERSION " (" ARCH ")");
-		/* do not receive body */
-		curl_easy_setopt(curl, CURLOPT_NOBODY, 1L);
-		/* ask for filetime */
-		curl_easy_setopt(curl, CURLOPT_FILETIME, 1L);
-		/* set connection timeout to 5 seconds
-		 * if the host needs longer we do not want to use it anyway ;) */
-		curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 5L);
-		/* time out if connection is established but transfer rate is low
-		 * this should make curl finish after a maximum of 8 seconds */
-		curl_easy_setopt(curl, CURLOPT_LOW_SPEED_LIMIT, 1L);
-		curl_easy_setopt(curl, CURLOPT_LOW_SPEED_TIME, 3L);
-		/* provide a buffer to store errors in */
-		curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, errbuf);
-		*errbuf = '\0';
-
-		/* perform the request */
-		if ((res = curl_easy_perform(curl)) != CURLE_OK) {
-			write_log(stderr, "Could not connect to server %s on port %d: %s\n",
-					request->host, request->service->port,
-					*errbuf != 0 ? errbuf : curl_easy_strerror(res));
-			request->http_code = 0;
-			request->last_modified = 0;
-			request->service->badtime = tv.tv_sec;
-			request->service->badcount++;
-			return NULL;
-		} else {
-			request->service->badtime = 0;
-			request->service->badcount = 0;
-		}
-
-		/* get http status code */
-		if ((res = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &(request->http_code))) != CURLE_OK) {
-			write_log(stderr, "curl_easy_getinfo() failed: %s\n", curl_easy_strerror(res));
-			return NULL;
-		}
-
-		if ((res = curl_easy_getinfo(curl, CURLINFO_TOTAL_TIME, &(request->time_total))) != CURLE_OK) {
-			write_log(stderr, "curl_easy_getinfo() failed: %s\n", curl_easy_strerror(res));
-			return NULL;
-		}
-
-		/* get last modified time */
-		if (request->http_code == MHD_HTTP_OK) {
-			if ((res = curl_easy_getinfo(curl, CURLINFO_FILETIME, &(request->last_modified))) != CURLE_OK) {
-				write_log(stderr, "curl_easy_getinfo() failed: %s\n", curl_easy_strerror(res));
-				return NULL;
-			}
-		} else
-			request->last_modified = 0;
-
-		/* always cleanup */
-		curl_easy_cleanup(curl);
-	}
-
-	return NULL;
-}
-
-/*** ahc_echo ***
- * called whenever a http request is received */
-static int ahc_echo(void * cls,
-		struct MHD_Connection * connection,
-		const char * uri,
-		const char * method,
-		const char * version,
-		const char * upload_data,
-		size_t * upload_data_size,
-		void ** ptr) {
-	static int dummy;
-	struct MHD_Response * response;
-	int ret;
-	struct hosts * tmphosts = hosts;
-
-	char * url = NULL, * page;
-	const char * basename;
-	struct timeval tv;
-
-	struct stat fst;
-	char * filename;
-	uint8_t dbfile = 0;
-	int i, error, req_count = -1;
-	pthread_t * tid = NULL;
-	struct request ** requests = NULL;
-	struct request * request = NULL;
-	long http_code = 0, last_modified = 0;
-	double time_total = INFINITY;
-	char ctime[26];
-
-	/* initialize struct timeval */
-	gettimeofday(&tv, NULL);
-
-	/* we want the filename, not the path */
-	basename = uri;
-	while (strstr(basename, "/") != NULL)
-		basename = strstr(basename, "/") + 1;
-
-	/* unexpected method */
-	if (strcmp(method, "GET") != 0)
-		return MHD_NO;
-
-	/* The first time only the headers are valid,
-	 * do not respond in the first round... */
-	if (&dummy != *ptr) {
-		*ptr = &dummy;
-		return MHD_YES;
-	}
-
-	/* upload data in a GET!? */
-	if (*upload_data_size != 0)
-		return MHD_NO;
-
-	/* clear context pointer */
-	*ptr = NULL;
-
-	/* redirect to website if no file given */
-	if (*basename == 0) {
-		http_code = MHD_HTTP_OK;
-		/* duplicate string so we can free it later */
-		url = strdup(WEBSITE);
-		goto response;
-	}
-
-	/* process db file request (*.db and *.files) */
-	if ((strlen(basename) > 3 && strcmp(basename + strlen(basename) - 3, ".db") == 0) ||
-			(strlen(basename) > 6 && strcmp(basename + strlen(basename) - 6, ".files") == 0)) {
-		dbfile = 1;
-		/* get timestamp of local file */
-		filename = malloc(strlen(SYNCPATH) + strlen(basename) + 2);
-		sprintf(filename, SYNCPATH "/%s", basename);
-
-		if (stat(filename, &fst) != 0) {
-			if (verbose > 0)
-				write_log(stdout, "You do not have a local copy of %s\n", basename);
-		} else
-			last_modified = fst.st_mtime;
-
-		free(filename);
-	}
-
-	/* try to find a server with most recent file */
-	while (tmphosts->host != NULL) {
-		struct services *service = (dbfile ? &tmphosts->pacdbserve : &tmphosts->pacserve);
-		time_t badtime = service->badtime + service->badcount * BADTIME;
-
-		/* skip host if offline or had a bad request within last BADTIME seconds */
-		if (service->online == 0) {
-			if (verbose > 0)
-				write_log(stdout, "Service %s on host %s is offline, skipping\n",
-						dbfile ? PACDBSERVE : PACSERVE, tmphosts->host);
-			tmphosts = tmphosts->next;
-			continue;
-		} else if (badtime > tv.tv_sec) {
-			if (verbose > 0) {
-				/* write the time to buffer ctime, then strip the line break */
-				ctime_r(&badtime, ctime);
-				ctime[strlen(ctime) - 1] = '\0';
-
-				write_log(stdout, "Service %s on host %s is marked bad until %s, skipping\n",
-						dbfile ? PACDBSERVE : PACSERVE, tmphosts->host, ctime);
-			}
-			tmphosts = tmphosts->next;
-			continue;
-		}
-
-		/* Check for limit on threads */
-		if (max_threads > 0 && req_count + 1 >= max_threads) {
-			if (verbose > 0)
-				write_log(stdout, "Hit hard limit for max threads (%d), not doing more requests\n",
-						max_threads);
-			break;
-		}
-
-		/* throttle requests - do not send all request at the same time
-		 * but wait for a short moment (10.000 us = 0.01 s) */
-		usleep(10000);
-
-		/* This is multi-threading code!
-		 * Pointer to struct request does not work as realloc can relocate the data.
-		 * We need a pointer to pointer to struct request, store the addresses in
-		 * an array and give get_http_code() a struct the does not change! */
-		req_count++;
-		tid = realloc(tid, sizeof(pthread_t) * (req_count + 1));
-		requests = realloc(requests, sizeof(size_t) * (req_count + 1));
-		requests[req_count] = malloc(sizeof(struct request));
-		request = requests[req_count];
-
-		/* prepare request struct */
-		request->host = tmphosts->host;
-		if (dbfile == 1)
-			request->service = &(tmphosts->pacdbserve);
-		else
-			request->service = &(tmphosts->pacserve);
-		request->url = get_url(tmphosts->host, request->service->port, basename);
-		request->http_code = 0;
-		request->last_modified = 0;
-
-		if (verbose > 0)
-			write_log(stdout, "Trying: %s\n", request->url);
-
-		if ((error = pthread_create(&tid[req_count], NULL, get_http_code, (void *)request)) != 0)
-			write_log(stderr, "Could not run thread number %d, errno %d\n", req_count, error);
-
-		tmphosts = tmphosts->next;
-	}
-
-	/* try to find a suitable response */
-	for (i = 0; i <= req_count; i++) {
-		if ((error = pthread_join(tid[i], NULL)) != 0)
-			write_log(stderr, "Could not join thread number %d, errno %d\n", i, error);
-
-		request = requests[i];
-
-		if (request->http_code == MHD_HTTP_OK) {
-			if (verbose > 0) {
-				/* write the time to buffer ctime, then strip the line break */
-				ctime_r(&request->last_modified, ctime);
-				ctime[strlen(ctime) - 1] = '\0';
-
-				write_log(stdout, "Found: %s (%f sec, modified: %s)\n",
-						request->url, request->time_total, ctime);
-			}
-		} else if (verbose > 0 && request->http_code > 0) {
-			if (verbose > 0)
-				write_log(stderr, "Received HTTP status code %d for %s\n",
-						request->http_code, request->url);
-		}
-
-		if (request->http_code == MHD_HTTP_OK &&
-				/* for db files choose the most recent server */
-				((dbfile == 1 && ((request->last_modified > last_modified) ||
-				/* but use a faster server if available */
-						  (url != NULL &&
-						   request->last_modified >= last_modified &&
-						   request->time_total < time_total))) ||
-				 /* for packages try to guess the fastest server */
-				 (dbfile == 0 && request->time_total < time_total))) {
-			if (url != NULL)
-				free(url);
-			url = request->url;
-			http_code = MHD_HTTP_OK;
-			last_modified = request->last_modified;
-			time_total = request->time_total;
-		} else
-			free(request->url);
-		free(request);
-	}
-
-response:
-	/* give response */
-	if (http_code == MHD_HTTP_OK) {
-		write_log(stdout, "Redirecting to %s\n", url);
-		page = malloc(strlen(PAGE307) + strlen(url) + strlen(basename) + 1);
-		sprintf(page, PAGE307, url, basename);
-		response = MHD_create_response_from_buffer(strlen(page), (void*) page, MHD_RESPMEM_PERSISTENT);
-		ret = MHD_add_response_header(response, "Location", url);
-		ret = MHD_queue_response(connection, MHD_HTTP_TEMPORARY_REDIRECT, response);
-		free(url);
-	} else {
-		if (req_count < 0)
-			write_log(stdout, "Currently no servers are available to check for %s.\n",
-					basename);
-		else if (dbfile == 1)
-			write_log(stdout, "No more recent version of %s found on %d servers.\n",
-					basename, req_count + 1);
-		else
-			write_log(stdout, "File %s not found on %d servers, giving up.\n",
-					basename, req_count + 1);
-
-		page = malloc(strlen(PAGE404) + strlen(basename) + 1);
-		sprintf(page, PAGE404, basename);
-		response = MHD_create_response_from_buffer(strlen(page), (void*) page, MHD_RESPMEM_PERSISTENT);
-		ret = MHD_queue_response(connection, MHD_HTTP_NOT_FOUND, response);
-	}
-
-	MHD_destroy_response(response);
-
-	free(page);
-	if (req_count > -1) {
-		free(tid);
-		free(requests);
-	}
-
-	return ret;
-}
-
-/*** sig_callback ***/
-void sig_callback(int signal) {
-	write_log(stdout, "Received signal '%s', quitting.\n", strsignal(signal));
-
-	avahi_simple_poll_quit(simple_poll);
-}
-
-/*** sighup_callback ***/
-void sighup_callback(int signal) {
-	struct hosts * tmphosts = hosts;
-
-	write_log(stdout, "Received SIGHUP, resetting bad status for hosts.\n");
-
-	while (tmphosts->host != NULL) {
-		tmphosts->pacserve.badtime = 0;
-		tmphosts->pacserve.badcount = 0;
-		tmphosts->pacdbserve.badtime = 0;
-		tmphosts->pacdbserve.badcount = 0;
-		tmphosts = tmphosts->next;
-	}
-}
-
-/*** main ***/
-int main(int argc, char ** argv) {
-	dictionary * ini;
-	const char * inistring;
-	char * values, * value;
-	uint16_t port;
-	struct ignore_interfaces * tmp_ignore_interfaces;
-	AvahiClient *client = NULL;
-	AvahiServiceBrowser *pacserve = NULL, *pacdbserve = NULL;
-	int error, i, ret = 1;
-	struct MHD_Daemon * mhd;
-	struct hosts * tmphosts;
-	struct sockaddr_in address;
-
-	unsigned int version = 0, help = 0;
-
-	/* get the verbose status */
-	while ((i = getopt_long(argc, argv, optstring, options_long, NULL)) != -1) {
-		switch (i) {
-			case 'h':
-				help++;
-				break;
-			case 'v':
-				verbose++;
-				break;
-			case 'V':
-				verbose++;
-				version++;
-				break;
-		}
-	}
-
-	if (verbose > 0)
-		write_log(stdout, "%s: %s v%s (compiled: " __DATE__ ", " __TIME__ " for %s)\n",
-				argv[0], PROGNAME, VERSION, ARCH);
-
-	if (help > 0)
-		write_log(stdout, "usage: %s [-h] [-v] [-V]\n", argv[0]);
-
-	if (version > 0 || help > 0)
-		return EXIT_SUCCESS;
-
-	/* allocate first struct element as dummy */
-	hosts = malloc(sizeof(struct hosts));
-	hosts->host = NULL;
-	hosts->pacserve.online = 0;
-	hosts->pacserve.badtime = 0;
-	hosts->pacdbserve.online = 0;
-	hosts->pacdbserve.badtime = 0;
-	hosts->next = NULL;
-
-	ignore_interfaces = malloc(sizeof(struct ignore_interfaces));
-	ignore_interfaces->interface = NULL;
-	ignore_interfaces->next = NULL;
-
-	/* Probing for static pacserve and pacdbserve hosts takes some time.
-	 * Receiving a SIGHUP at this time could kill us. So register signal
-	 * SIGHUP here before probing. */
-	signal(SIGHUP, sighup_callback);
-
-	/* parse config file */
-	if ((ini = iniparser_load(CONFIGFILE)) == NULL) {
-		write_log(stderr, "cannot parse file " CONFIGFILE ", continue anyway\n");
-		/* continue anyway, there is nothing essential in the config file */
-	} else {
-		/* get max threads */
-		max_threads = iniparser_getint(ini, "general:max threads", max_threads);
-		if (verbose > 0 && max_threads > 0)
-			write_log(stdout, "Limiting number of threads to a maximum of %d\n", max_threads);
-
-		/* store interfaces to ignore */
-		if ((inistring = iniparser_getstring(ini, "general:ignore interfaces", NULL)) != NULL) {
-			values = strdup(inistring);
-			tmp_ignore_interfaces = ignore_interfaces;
-
-			value = strtok(values, DELIMITER);
-			while (value != NULL) {
-				if (verbose > 0)
-					write_log(stdout, "Ignoring interface: %s\n", value);
-				tmp_ignore_interfaces->interface = strdup(value);
-				tmp_ignore_interfaces->next = malloc(sizeof(struct ignore_interfaces));
-				tmp_ignore_interfaces = tmp_ignore_interfaces->next;
-				value = strtok(NULL, DELIMITER);
-			}
-			tmp_ignore_interfaces->interface = NULL;
-			tmp_ignore_interfaces->next = NULL;
-			free(values);
-		}
-
-		/* add static pacserve hosts */
-		if ((inistring = iniparser_getstring(ini, "general:pacserve hosts", NULL)) != NULL) {
-			values = strdup(inistring);
-			value = strtok(values, DELIMITER);
-			while (value != NULL) {
-				if (verbose > 0)
-					write_log(stdout, "Adding static pacserve host: %s\n", value);
-
-				if (strchr(value, ':') != NULL) {
-					port = atoi(strchr(value, ':') + 1);
-					*strchr(value, ':') = 0;
-				} else
-					port = PORT_PACSERVE;
-				add_host(value, port, PACSERVE);
-				value = strtok(NULL, DELIMITER);
-			}
-			free(values);
-		}
-
-		/* add static pacdbserve hosts */
-		if ((inistring = iniparser_getstring(ini, "general:pacdbserve hosts", NULL)) != NULL) {
-			values = strdup(inistring);
-			value = strtok(values, DELIMITER);
-			while (value != NULL) {
-				if (verbose > 0)
-					write_log(stdout, "Adding static pacdbserve host: %s\n", value);
-
-				if (strchr(value, ':') != NULL) {
-					port = atoi(strchr(value, ':') + 1);
-					*strchr(value, ':') = 0;
-				} else
-					port = PORT_PACDBSERVE;
-				add_host(value, port, PACDBSERVE);
-				value = strtok(NULL, DELIMITER);
-			}
-			free(values);
-		}
-
-		/* done reading config file, free */
-		iniparser_freedict(ini);
-	}
-
-	/* allocate main loop object */
-	if ((simple_poll = avahi_simple_poll_new()) == NULL) {
-		write_log(stderr, "Failed to create simple poll object.\n");
-		goto fail;
-	}
-
-	/* allocate a new client */
-	if ((client = avahi_client_new(avahi_simple_poll_get(simple_poll), 0, client_callback, NULL, &error)) == NULL) {
-		write_log(stderr, "Failed to create client: %s\n", avahi_strerror(error));
-		goto fail;
-	}
-
-	/* create the service browser for PACSERVE */
-	if ((pacserve = avahi_service_browser_new(client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, PACSERVE, NULL, 0, browse_callback, NULL)) == NULL) {
-		write_log(stderr, "Failed to create service browser: %s\n", avahi_strerror(avahi_client_errno(client)));
-		goto fail;
-	}
-
-	/* create the service browser for PACDBSERVE */
-	if ((pacdbserve = avahi_service_browser_new(client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, PACDBSERVE, NULL, 0, browse_callback, NULL)) == NULL) {
-		write_log(stderr, "Failed to create service browser: %s\n", avahi_strerror(avahi_client_errno(client)));
-		goto fail;
-	}
-
-	/* prepare struct to make microhttpd listen on localhost only */
-	address.sin_family = AF_INET;
-	address.sin_port = htons(PORT_PACREDIR);
-	inet_pton(AF_INET, "127.0.0.1", &address.sin_addr);
-
-	/* start http server */
-	if ((mhd = MHD_start_daemon(MHD_USE_THREAD_PER_CONNECTION, PORT_PACREDIR, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_SOCK_ADDR, &address, MHD_OPTION_END)) == NULL) {
-		write_log(stderr, "Could not start daemon on port %d.\n", PORT_PACREDIR);
-		return EXIT_FAILURE;
-	}
-
-	/* initialize curl */
-	curl_global_init(CURL_GLOBAL_ALL);
-
-	/* register SIG{TERM,KILL,INT} signal callbacks */
-	signal(SIGTERM, sig_callback);
-	signal(SIGKILL, sig_callback);
-	signal(SIGINT, sig_callback);
-
-	/* report ready to systemd */
-	sd_notify(0, "READY=1\nSTATUS=Waiting for requests to redirect...");
-
-	/* run the main loop */
-	avahi_simple_poll_loop(simple_poll);
-
-	/* report stopping to systemd */
-	sd_notify(0, "STOPPING=1\nSTATUS=Stopping...");
-
-	/* stop http server */
-	MHD_stop_daemon(mhd);
-
-	/* we're done with libcurl, so clean it up */
-	curl_global_cleanup();
-
-	ret = EXIT_SUCCESS;
-
-fail:
-
-	/* Cleanup things */
-	while (hosts->host != NULL) {
-		free(hosts->host);
-		tmphosts = hosts->next;
-		free(hosts);
-		hosts = tmphosts;
-	}
-
-	while (ignore_interfaces->interface != NULL) {
-		free(ignore_interfaces->interface);
-		tmp_ignore_interfaces = ignore_interfaces->next;
-		free(ignore_interfaces);
-		ignore_interfaces = tmp_ignore_interfaces;
-	}
-
-	if (pacdbserve)
-		avahi_service_browser_free(pacdbserve);
-
-	if (pacserve)
-		avahi_service_browser_free(pacserve);
-
-	if (client)
-		avahi_client_free(client);
-
-	if (simple_poll)
-		avahi_simple_poll_free(simple_poll);
-
-	sd_notify(0, "STATUS=Stopped. Bye!");
-
-	return ret;
-}
-
-// vim: set syntax=c: