Remove common code in favor of new libimobiledevice-glue

8 files changed, 3 insertions, 2052 deletions

diff --git a/common/Makefile.am b/common/Makefile.am
index ab01b83..1a90571 100644
--- a/common/Makefile.am
+++ b/common/Makefile.am
@@ -25,11 +25,8 @@ noinst_LTLIBRARIES = libinternalcommon.la
 libinternalcommon_la_LIBADD = 
 libinternalcommon_la_LDFLAGS = $(AM_LDFLAGS) -no-undefined
 libinternalcommon_la_SOURCES = \
-	socket.c socket.h \
-	thread.c thread.h \
 	debug.c debug.h \
-	userpref.c userpref.h \
-	utils.c utils.h
+	userpref.c userpref.h
 
 if WIN32
 libinternalcommon_la_LIBADD += -lole32 -lws2_32
diff --git a/common/socket.c b/common/socket.c
deleted file mode 100644
index 99a96b1..0000000
--- a/common/socket.c
+++ /dev/null
@@ -1,1169 +0,0 @@
-/*
- * socket.c
- *
- * Copyright (C) 2012-2020 Nikias Bassen <nikias@gmx.li>
- * Copyright (C) 2012 Martin Szulecki <m.szulecki@libimobiledevice.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <stdio.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-#include <sys/time.h>
-#include <sys/stat.h>
-#ifdef WIN32
-#include <winsock2.h>
-#include <ws2tcpip.h>
-#include <windows.h>
-#ifndef HAVE_GETIFADDRS
-#include <iphlpapi.h>
-#endif
-static int wsa_init = 0;
-#ifndef IFF_RUNNING
-#define IFF_RUNNING IFF_UP
-#endif
-#ifndef AI_NUMERICSERV
-#define AI_NUMERICSERV 0
-#endif
-#else
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <netinet/in.h>
-#include <netinet/tcp.h>
-#include <netdb.h>
-#include <arpa/inet.h>
-#include <fcntl.h>
-#ifdef AF_INET6
-#include <net/if.h>
-#include <ifaddrs.h>
-#endif
-#endif
-#include "socket.h"
-
-#define RECV_TIMEOUT 20000
-#define SEND_TIMEOUT 10000
-#define CONNECT_TIMEOUT 5000
-
-#ifndef EAFNOSUPPORT
-#define EAFNOSUPPORT 102
-#endif
-#ifndef ECONNRESET
-#define ECONNRESET 108
-#endif
-#ifndef ETIMEDOUT
-#define ETIMEDOUT 138
-#endif
-
-static int verbose = 0;
-
-void socket_set_verbose(int level)
-{
-	verbose = level;
-}
-
-const char *socket_addr_to_string(struct sockaddr *addr, char *addr_out, size_t addr_out_size)
-{
-#ifdef WIN32
-	WSADATA wsa_data;
-	if (!wsa_init) {
-		if (WSAStartup(MAKEWORD(2,2), &wsa_data) != ERROR_SUCCESS) {
-			fprintf(stderr, "WSAStartup failed!\n");
-			ExitProcess(-1);
-		}
-		wsa_init = 1;
-	}
-	DWORD addr_out_len = addr_out_size;
-	DWORD addrlen = 0;
-
-	if (addr->sa_family == AF_INET) {
-		addrlen = sizeof(struct sockaddr_in);
-	}
-#ifdef AF_INET6
-	else if (addr->sa_family == AF_INET6) {
-		addrlen = sizeof(struct sockaddr_in6);
-	}
-#endif
-	else {
-		errno = EAFNOSUPPORT;
-		return NULL;
-	}
-
-	if (WSAAddressToString(addr, addrlen, NULL, addr_out, &addr_out_len) == 0) {
-		return addr_out;
-	}
-#else
-	const void *addrdata = NULL;
-
-	if (addr->sa_family == AF_INET) {
-		addrdata = &((struct sockaddr_in*)addr)->sin_addr;
-	}
-#ifdef AF_INET6
-	else if (addr->sa_family == AF_INET6) {
-		addrdata = &((struct sockaddr_in6*)addr)->sin6_addr;
-	}
-#endif
-	else {
-		errno = EAFNOSUPPORT;
-		return NULL;
-	}
-
-	if (inet_ntop(addr->sa_family, addrdata, addr_out, addr_out_size)) {
-		return addr_out;
-	}
-#endif
-	return NULL;
-}
-
-#ifndef WIN32
-int socket_create_unix(const char *filename)
-{
-	struct sockaddr_un name;
-	int sock;
-#ifdef SO_NOSIGPIPE
-	int yes = 1;
-#endif
-
-	// remove if still present
-	unlink(filename);
-
-	/* Create the socket. */
-	sock = socket(PF_UNIX, SOCK_STREAM, 0);
-	if (sock < 0) {
-		perror("socket");
-		return -1;
-	}
-
-#ifdef SO_NOSIGPIPE
-	if (setsockopt(sock, SOL_SOCKET, SO_NOSIGPIPE, (void*)&yes, sizeof(int)) == -1) {
-		perror("setsockopt()");
-		socket_close(sock);
-		return -1;
-	}
-#endif
-
-	/* Bind a name to the socket. */
-	name.sun_family = AF_UNIX;
-	strncpy(name.sun_path, filename, sizeof(name.sun_path));
-	name.sun_path[sizeof(name.sun_path) - 1] = '\0';
-
-	if (bind(sock, (struct sockaddr*)&name, sizeof(name)) < 0) {
-		perror("bind");
-		socket_close(sock);
-		return -1;
-	}
-
-	if (listen(sock, 100) < 0) {
-		perror("listen");
-		socket_close(sock);
-		return -1;
-	}
-
-	return sock;
-}
-
-int socket_connect_unix(const char *filename)
-{
-	struct sockaddr_un name;
-	int sfd = -1;
-	struct stat fst;
-#ifdef SO_NOSIGPIPE
-	int yes = 1;
-#endif
-	int bufsize = 0x20000;
-
-	// check if socket file exists...
-	if (stat(filename, &fst) != 0) {
-		if (verbose >= 2)
-			fprintf(stderr, "%s: stat '%s': %s\n", __func__, filename,
-					strerror(errno));
-		return -1;
-	}
-	// ... and if it is a unix domain socket
-	if (!S_ISSOCK(fst.st_mode)) {
-		if (verbose >= 2)
-			fprintf(stderr, "%s: File '%s' is not a socket!\n", __func__,
-					filename);
-		return -1;
-	}
-	// make a new socket
-	if ((sfd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) {
-		if (verbose >= 2)
-			fprintf(stderr, "%s: socket: %s\n", __func__, strerror(errno));
-		return -1;
-	}
-
-	if (setsockopt(sfd, SOL_SOCKET, SO_SNDBUF, (void*)&bufsize, sizeof(int)) == -1) {
-		perror("Could not set send buffer for socket");
-	}
-
-	if (setsockopt(sfd, SOL_SOCKET, SO_RCVBUF, (void*)&bufsize, sizeof(int)) == -1) {
-		perror("Could not set receive buffer for socket");
-	}
-
-#ifdef SO_NOSIGPIPE
-	if (setsockopt(sfd, SOL_SOCKET, SO_NOSIGPIPE, (void*)&yes, sizeof(int)) == -1) {
-		perror("setsockopt()");
-		socket_close(sfd);
-		return -1;
-	}
-#endif
-	// and connect to 'filename'
-	name.sun_family = AF_UNIX;
-	strncpy(name.sun_path, filename, sizeof(name.sun_path));
-	name.sun_path[sizeof(name.sun_path) - 1] = 0;
-
-	int flags = fcntl(sfd, F_GETFL, 0);
-	fcntl(sfd, F_SETFL, flags | O_NONBLOCK);
-
-	do {
-		if (connect(sfd, (struct sockaddr*)&name, sizeof(name)) != -1) {
-			break;
-		}
-		if (errno == EINPROGRESS) {
-			fd_set fds;
-			FD_ZERO(&fds);
-			FD_SET(sfd, &fds);
-
-			struct timeval timeout;
-			timeout.tv_sec = CONNECT_TIMEOUT / 1000;
-			timeout.tv_usec = (CONNECT_TIMEOUT - (timeout.tv_sec * 1000)) * 1000;
-			if (select(sfd + 1, NULL, &fds, NULL, &timeout) == 1) {
-				int so_error;
-				socklen_t len = sizeof(so_error);
-				getsockopt(sfd, SOL_SOCKET, SO_ERROR, (void*)&so_error, &len);
-				if (so_error == 0) {
-					break;
-				}
-			}
-		}
-		socket_close(sfd);
-		sfd = -1;
-	} while (0);
-
-	if (sfd < 0) {
-		if (verbose >= 2)
-			fprintf(stderr, "%s: connect: %s\n", __func__, strerror(errno));
-		return -1;
-	}
-
-	return sfd;
-}
-#endif
-
-int socket_create(const char* addr, uint16_t port)
-{
-	int sfd = -1;
-	int yes = 1;
-	struct addrinfo hints;
-	struct addrinfo *result, *rp;
-	char portstr[8];
-	int res;
-#ifdef WIN32
-	WSADATA wsa_data;
-	if (!wsa_init) {
-		if (WSAStartup(MAKEWORD(2,2), &wsa_data) != ERROR_SUCCESS) {
-			fprintf(stderr, "WSAStartup failed!\n");
-			ExitProcess(-1);
-		}
-		wsa_init = 1;
-	}
-#endif
-
-	memset(&hints, '\0', sizeof(struct addrinfo));
-	hints.ai_family = AF_UNSPEC;
-	hints.ai_socktype = SOCK_STREAM;
-	hints.ai_flags = AI_PASSIVE | AI_NUMERICSERV;
-	hints.ai_protocol = IPPROTO_TCP;
-
-	sprintf(portstr, "%d", port);
-
-	if (!addr) {
-		addr = "localhost";
-	}
-	res = getaddrinfo(addr, portstr, &hints, &result);
-	if (res != 0) {
-		fprintf(stderr, "%s: getaddrinfo: %s\n", __func__, gai_strerror(res));
-		return -1;
-	}
-
-	for (rp = result; rp != NULL; rp = rp->ai_next) {
-		sfd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
-		if (sfd == -1) {
-			continue;
-		}
-
-		if (setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(int)) == -1) {
-			perror("setsockopt()");
-			socket_close(sfd);
-			continue;
-		}
-
-#ifdef SO_NOSIGPIPE
-		if (setsockopt(sfd, SOL_SOCKET, SO_NOSIGPIPE, (void*)&yes, sizeof(int)) == -1) {
-			perror("setsockopt()");
-			socket_close(sfd);
-			continue;
-		}
-#endif
-
-#if defined(AF_INET6) && defined(IPV6_V6ONLY)
-		if (rp->ai_family == AF_INET6) {
-			if (setsockopt(sfd, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&yes, sizeof(int)) == -1) {
-				perror("setsockopt() IPV6_V6ONLY");
-			}
-		}
-#endif
-
-		if (bind(sfd, rp->ai_addr, rp->ai_addrlen) < 0) {
-			perror("bind()");
-			socket_close(sfd);
-			continue;
-		}
-
-		if (listen(sfd, 100) < 0) {
-			perror("listen()");
-			socket_close(sfd);
-			continue;
-		}
-		break;
-	}
-
-	freeaddrinfo(result);
-
-	if (rp == NULL) {
-		return -1;
-	}
-
-	return sfd;
-}
-
-#ifdef AF_INET6
-static uint32_t _in6_addr_scope(struct in6_addr* addr)
-{
-	uint32_t scope = 0;
-
-	if (IN6_IS_ADDR_MULTICAST(addr)) {
-		if (IN6_IS_ADDR_MC_NODELOCAL(addr)) {
-			scope = 1;
-		} else if (IN6_IS_ADDR_MC_LINKLOCAL(addr)) {
-			scope = 2;
-		} else if (IN6_IS_ADDR_MC_SITELOCAL(addr)) {
-			scope = 5;
-		}
-
-		return scope;
-	}
-
-	if (IN6_IS_ADDR_LINKLOCAL(addr)) {
-		scope = 2;
-	} else if (IN6_IS_ADDR_LOOPBACK(addr)) {
-		scope = 2;
-	} else if (IN6_IS_ADDR_SITELOCAL(addr)) {
-		scope = 5;
-	} else if (IN6_IS_ADDR_UNSPECIFIED(addr)) {
-		scope = 0;
-	}
-
-	return scope;
-}
-
-#ifndef HAVE_GETIFADDRS
-#ifdef WIN32
-
-struct ifaddrs {
-	struct ifaddrs  *ifa_next;    /* Next item in list */
-	char            *ifa_name;    /* Name of interface */
-	unsigned int     ifa_flags;   /* Flags from SIOCGIFFLAGS */
-	struct sockaddr *ifa_addr;    /* Address of interface */
-	struct sockaddr *ifa_netmask; /* Netmask of interface */
-	union {
-		struct sockaddr *ifu_broadaddr; /* Broadcast address of interface */
-		struct sockaddr *ifu_dstaddr;   /* Point-to-point destination address */
-	} ifa_ifu;
-#define                  ifa_broadaddr ifa_ifu.ifu_broadaddr
-#define                  ifa_dstaddr   ifa_ifu.ifu_dstaddr
-	void            *ifa_data;    /* Address-specific data */
-};
-
-#define WORKING_BUFFER_SIZE 15000
-#define MAX_TRIES 3
-
-static void freeifaddrs(struct ifaddrs *ifa)
-{
-	if (!ifa) {
-		return;
-	}
-	free(ifa->ifa_name);
-	free(ifa->ifa_addr);
-	free(ifa->ifa_netmask);
-	free(ifa->ifa_dstaddr);
-	freeifaddrs(ifa->ifa_next);
-	free(ifa);
-}
-
-/*
- * getifaddrs() reference implementation for win32.
- * Heavily based on openpgm's implementation found here:
- * https://github.com/steve-o/openpgm/blob/master/openpgm/pgm/getifaddrs.c
- */
-static int getifaddrs(struct ifaddrs** ifap)
-{
-	struct ifaddrs* ifa = NULL;
-
-	DWORD dwRetVal = 0;
-
-	PIP_ADAPTER_ADDRESSES pAddresses = NULL;
-	ULONG outBufLen = 0;
-	ULONG Iterations = 0;
-
-	ULONG flags = GAA_FLAG_INCLUDE_PREFIX |
-		GAA_FLAG_SKIP_ANYCAST |
-		GAA_FLAG_SKIP_DNS_SERVER |
-		GAA_FLAG_SKIP_FRIENDLY_NAME |
-		GAA_FLAG_SKIP_MULTICAST;
-
-	PIP_ADAPTER_ADDRESSES adapter = NULL;
-
-	if (!ifap) {
-		errno = EINVAL;
-		return -1;
-	}
-	*ifap = NULL;
-
-	outBufLen = WORKING_BUFFER_SIZE;
-	do {
-		pAddresses = (IP_ADAPTER_ADDRESSES*)malloc(outBufLen);
-		if (pAddresses == NULL) {
-			printf("Memory allocation failed for IP_ADAPTER_ADDRESSES struct\n");
-			return -1;
-		}
-		dwRetVal = GetAdaptersAddresses(AF_UNSPEC, flags, NULL, pAddresses, &outBufLen);
-		if (dwRetVal == ERROR_BUFFER_OVERFLOW) {
-			free(pAddresses);
-			pAddresses = NULL;
-		} else {
-			break;
-		}
-		Iterations++;
-	} while ((dwRetVal == ERROR_BUFFER_OVERFLOW) && (Iterations < MAX_TRIES));
-
-	if (dwRetVal != NO_ERROR) {
-		free(pAddresses);
-		return -1;
-	}
-
-	for (adapter = pAddresses; adapter; adapter = adapter->Next) {
-		int unicastIndex = 0;
-		for (IP_ADAPTER_UNICAST_ADDRESS *unicast = adapter->FirstUnicastAddress; unicast; unicast = unicast->Next, ++unicastIndex) {
-			/* ensure IP adapter */
-			if (AF_INET != unicast->Address.lpSockaddr->sa_family && AF_INET6 != unicast->Address.lpSockaddr->sa_family) {
-				continue;
-			}
-
-			if (!ifa) {
-				ifa = malloc(sizeof(struct ifaddrs));
-				if (!ifa) {
-					errno = ENOMEM;
-					free(pAddresses);
-					return -1;
-				}
-				*ifap = ifa;
-				ifa->ifa_next = NULL;
-			} else {
-				struct ifaddrs* ifanew = malloc(sizeof(struct ifaddrs));
-				if (!ifanew) {
-					freeifaddrs(*ifap);
-					free(pAddresses);
-					errno = ENOMEM;
-					return -1;
-				}
-				ifa->ifa_next = ifanew;
-				ifa = ifanew;
-				ifa->ifa_next = NULL;
-			}
-
-			/* name */
-			ifa->ifa_name = strdup(adapter->AdapterName);
-
-			/* flags */
-			ifa->ifa_flags = 0;
-			if (IfOperStatusUp == adapter->OperStatus)
-				ifa->ifa_flags |= IFF_UP;
-			if (IF_TYPE_SOFTWARE_LOOPBACK == adapter->IfType)
-				ifa->ifa_flags |= IFF_LOOPBACK;
-			if (!(adapter->Flags & IP_ADAPTER_NO_MULTICAST))
-				ifa->ifa_flags |= IFF_MULTICAST;
-
-			/* address */
-			ifa->ifa_addr = (struct sockaddr*)malloc(sizeof(struct sockaddr_storage));
-			memcpy(ifa->ifa_addr, unicast->Address.lpSockaddr, unicast->Address.iSockaddrLength);
-
-			/* netmask */
-			ifa->ifa_netmask = (struct sockaddr*)malloc(sizeof(struct sockaddr_storage));
-			memset(ifa->ifa_netmask, 0, sizeof(struct sockaddr_storage));
-
-/* pre-Vista must hunt for matching prefix in linked list, otherwise use
- * OnLinkPrefixLength from IP_ADAPTER_UNICAST_ADDRESS structure.
- * FirstPrefix requires Windows XP SP1, from SP1 to pre-Vista provides a
- * single adapter prefix for each IP address.  Vista and later provides
- * host IP address prefix, subnet IP address, and subnet broadcast IP
- * address.  In addition there is a multicast and broadcast address prefix.
- */
-			ULONG prefixLength = 0;
-
-#if defined( _WIN32 ) && ( _WIN32_WINNT >= 0x0600 )
-/* For a unicast IPv4 address, any value greater than 32 is an illegal
- * value. For a unicast IPv6 address, any value greater than 128 is an
- * illegal value. A value of 255 is commonly used to represent an illegal
- * value.
- *
- * Windows 7 SP1 returns 64 for Teredo links which is incorrect.
- */
-
-#define IN6_IS_ADDR_TEREDO(addr) \
-	(((const uint32_t *)(addr))[0] == ntohl (0x20010000))
-
-			if (AF_INET6 == unicast->Address.lpSockaddr->sa_family &&
-/* TunnelType only applies to one interface on the adapter and no
- * convenient method is provided to determine which.
- */
-				TUNNEL_TYPE_TEREDO == adapter->TunnelType &&
-/* Test the interface with the known Teredo network prefix.
- */
-				IN6_IS_ADDR_TEREDO( &((struct sockaddr_in6*)(unicast->Address.lpSockaddr))->sin6_addr) &&
-/* Test that this version is actually wrong, subsequent releases from Microsoft
- * may resolve the issue.
- */
-				32 != unicast->OnLinkPrefixLength)
-			{
-				prefixLength = 32;
-			}
-			else
-				prefixLength = unicast->OnLinkPrefixLength;
-#else
-/* The order of linked IP_ADAPTER_UNICAST_ADDRESS structures pointed to by
- * the FirstUnicastAddress member does not have any relationship with the
- * order of linked IP_ADAPTER_PREFIX structures pointed to by the FirstPrefix
- * member.
- *
- * Example enumeration:
- *    [ no subnet ]
- *   ::1/128            - address
- *   ff00::%1/8         - multicast (no IPv6 broadcast)
- *   127.0.0.0/8        - subnet
- *   127.0.0.1/32       - address
- *   127.255.255.255/32 - subnet broadcast
- *   224.0.0.0/4        - multicast
- *   255.255.255.255/32 - broadcast
- *
- * Which differs from most adapters listing three IPv6:
- *   fe80::%10/64       - subnet
- *   fe80::51e9:5fe5:4202:325a%10/128 - address
- *   ff00::%10/8        - multicast
- *
- * !IfOperStatusUp IPv4 addresses are skipped:
- *   fe80::%13/64       - subnet
- *   fe80::d530:946d:e8df:8c91%13/128 - address
- *   ff00::%13/8        - multicast
- *    [ no subnet  ]
- *    [ no address ]
- *   224.0.0.0/4        - multicast
- *   255.255.255.255/32 - broadcast
- *
- * On PTP links no multicast or broadcast addresses are returned:
- *    [ no subnet ]
- *   fe80::5efe:10.203.9.30/128 - address
- *    [ no multicast ]
- *    [ no multicast ]
- *    [ no broadcast ]
- *
- * Active primary IPv6 interfaces are a bit overloaded:
- *   ::/0               - default route
- *   2001::/32          - global subnet
- *   2001:0:4137:9e76:2443:d6:ba87:1a2a/128 - global address
- *   fe80::/64          - link-local subnet
- *   fe80::2443:d6:ba87:1a2a/128 - link-local address
- *   ff00::/8           - multicast
- */
-
-#define IN_LINKLOCAL(a)	((((uint32_t) (a)) & 0xaffff0000) == 0xa9fe0000)
-
-			for (IP_ADAPTER_PREFIX *prefix = adapter->FirstPrefix; prefix; prefix = prefix->Next) {
-				LPSOCKADDR lpSockaddr = prefix->Address.lpSockaddr;
-				if (lpSockaddr->sa_family != unicast->Address.lpSockaddr->sa_family)
-					continue;
-/* special cases */
-/* RFC2863: IPv4 interface not up */
-				if (AF_INET == lpSockaddr->sa_family && adapter->OperStatus != IfOperStatusUp) {
-/* RFC3927: link-local IPv4 always has 16-bit CIDR */
-					if (IN_LINKLOCAL( ntohl (((struct sockaddr_in*)(unicast->Address.lpSockaddr))->sin_addr.s_addr))) {
-						prefixLength = 16;
-					}
-					break;
-				}
-/* default IPv6 route */
-				if (AF_INET6 == lpSockaddr->sa_family && 0 == prefix->PrefixLength && IN6_IS_ADDR_UNSPECIFIED( &((struct sockaddr_in6*)(lpSockaddr))->sin6_addr)) {
-					continue;
-				}
-/* Assume unicast address for first prefix of operational adapter */
-				if (AF_INET == lpSockaddr->sa_family)
-					if (IN_MULTICAST( ntohl (((struct sockaddr_in*)(lpSockaddr))->sin_addr.s_addr))) {
-						fprintf(stderr, "FATAL: first prefix is non a unicast address\n");
-						break;
-					}
-				if (AF_INET6 == lpSockaddr->sa_family)
-					if (IN6_IS_ADDR_MULTICAST( &((struct sockaddr_in6*)(lpSockaddr))->sin6_addr)) {
-						fprintf(stderr, "FATAL: first prefix is not a unicast address\n");
-						break;
-					}
-/* Assume subnet or host IP address for XP backward compatibility */
-
-				prefixLength = prefix->PrefixLength;
-				break;
-			}
-#endif /* defined( _WIN32 ) && ( _WIN32_WINNT >= 0x0600 ) */
-
-/* map prefix to netmask */
-			ifa->ifa_netmask->sa_family = unicast->Address.lpSockaddr->sa_family;
-			switch (unicast->Address.lpSockaddr->sa_family) {
-			case AF_INET:
-				if (0 == prefixLength || prefixLength > 32) {
-					prefixLength = 32;
-				}
-#if defined( _WIN32) && ( _WIN32_WINNT >= 0x0600 )
-/* Added in Vista, but no IPv6 equivalent. */
-				{
-				ULONG Mask;
-				ConvertLengthToIpv4Mask (prefixLength, &Mask);
-				((struct sockaddr_in*)ifa->ifa_netmask)->sin_addr.s_addr = Mask;	/* network order */
-				}
-#else
-/* NB: left-shift of full bit-width is undefined in C standard. */
-				((struct sockaddr_in*)ifa->ifa_netmask)->sin_addr.s_addr = htonl( 0xffffffffU << ( 32 - prefixLength ) );
-#endif
-				break;
-
-			case AF_INET6:
-				if (0 == prefixLength || prefixLength > 128) {
-					prefixLength = 128;
-				}
-				for (LONG i = prefixLength, j = 0; i > 0; i -= 8, ++j) {
-					((struct sockaddr_in6*)ifa->ifa_netmask)->sin6_addr.s6_addr[ j ] = i >= 8 ? 0xff : (ULONG)(( 0xffU << ( 8 - i ) ) & 0xffU );
-				}
-				break;
-			default:
-				break;
-			}
-		}
-	}
-	free(pAddresses);
-
-	return 0;
-}
-#else
-#error No reference implementation for getifaddrs available for this platform.
-#endif
-#endif
-
-static int32_t _sockaddr_in6_scope_id(struct sockaddr_in6* addr)
-{
-	int32_t res = -1;
-	struct ifaddrs *ifaddr = NULL, *ifa = NULL;
-	uint32_t addr_scope;
-
-	/* get scope for requested address */
-	addr_scope = _in6_addr_scope(&addr->sin6_addr);
-	if (addr_scope == 0) {
-		/* global scope doesn't need a specific scope id */
-		return addr_scope;
-	}
-
-	/* get interfaces */
-	if (getifaddrs(&ifaddr) == -1) {
-		perror("getifaddrs");
-		return res;
-	}
-
-	/* loop over interfaces */
-	for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
-		/* skip if no address is available */
-		if (ifa->ifa_addr == NULL) {
-			continue;
-		}
-
-		/* skip if wrong family */
-		if (ifa->ifa_addr->sa_family != AF_INET6) {
-			continue;
-		}
-
-		/* skip if not up */
-		if ((ifa->ifa_flags & IFF_UP) == 0) {
-			continue;
-		}
-
-		/* skip if not running */
-		if ((ifa->ifa_flags & IFF_RUNNING) == 0) {
-			continue;
-		}
-
-		struct sockaddr_in6* addr_in = (struct sockaddr_in6*)ifa->ifa_addr;
-
-		/* skip if scopes do not match */
-		if (_in6_addr_scope(&addr_in->sin6_addr) != addr_scope) {
-			continue;
-		}
-
-		/* use if address is equal */
-		if (memcmp(&addr->sin6_addr.s6_addr, &addr_in->sin6_addr.s6_addr, sizeof(addr_in->sin6_addr.s6_addr)) == 0) {
-			/* if scope id equals the requested one then assume it was valid */
-			if (addr->sin6_scope_id == addr_in->sin6_scope_id) {
-				res = addr_in->sin6_scope_id;
-				break;
-			}
-
-			if ((addr_in->sin6_scope_id > addr->sin6_scope_id) && (res >= 0)) {
-				// use last valid scope id as we're past the requested scope id
-				break;
-			}
-			res = addr_in->sin6_scope_id;
-			continue;
-		}
-
-		/* skip loopback interface if not already matched exactly above */
-		if ((ifa->ifa_flags & IFF_LOOPBACK) != 0) {
-			continue;
-		}
-
-		if ((addr_in->sin6_scope_id > addr->sin6_scope_id) && (res >= 0)) {
-			// use last valid scope id as we're past the requested scope id
-			break;
-		}
-
-		res = addr_in->sin6_scope_id;
-
-		/* if scope id equals the requested one then assume it was valid */
-		if (addr->sin6_scope_id == addr_in->sin6_scope_id) {
-			/* set the scope id of this interface as most likely candidate */
-			break;
-		}
-	}
-
-	freeifaddrs(ifaddr);
-
-	return res;
-}
-#endif
-
-int socket_connect_addr(struct sockaddr* addr, uint16_t port)
-{
-	int sfd = -1;
-	int yes = 1;
-	int bufsize = 0x20000;
-	int addrlen = 0;
-#ifdef WIN32
-	u_long l_yes = 1;
-	WSADATA wsa_data;
-	if (!wsa_init) {
-		if (WSAStartup(MAKEWORD(2,2), &wsa_data) != ERROR_SUCCESS) {
-			fprintf(stderr, "WSAStartup failed!\n");
-			ExitProcess(-1);
-		}
-		wsa_init = 1;
-	}
-#endif
-
-	if (addr->sa_family == AF_INET) {
-		struct sockaddr_in* addr_in = (struct sockaddr_in*)addr;
-		addr_in->sin_port = htons(port);
-		addrlen = sizeof(struct sockaddr_in);
-	}
-#ifdef AF_INET6
-	else if (addr->sa_family == AF_INET6) {
-		struct sockaddr_in6* addr_in = (struct sockaddr_in6*)addr;
-		addr_in->sin6_port = htons(port);
-
-		/*
-		 * IPv6 Routing Magic:
-		 *
-		 * If the scope of the address is a link-local one, IPv6 requires the
-		 * scope id set to an interface number to allow proper routing. However,
-		 * as the provided sockaddr might contain a wrong scope id, we must find
-		 * a scope id from a suitable interface on this system or routing might
-		 * fail. An IPv6 guru should have another look though...
-		 */
-		addr_in->sin6_scope_id = _sockaddr_in6_scope_id(addr_in);
-
-		addrlen = sizeof(struct sockaddr_in6);
-	}
-#endif
-	else {
-		fprintf(stderr, "ERROR: Unsupported address family");
-		return -1;
-	}
-
-	sfd = socket(addr->sa_family, SOCK_STREAM, IPPROTO_TCP);
-	if (sfd == -1) {
-		perror("socket()");
-		return -1;
-	}
-
-#ifdef SO_NOSIGPIPE
-	if (setsockopt(sfd, SOL_SOCKET, SO_NOSIGPIPE, (void*)&yes, sizeof(int)) == -1) {
-		perror("setsockopt()");
-		socket_close(sfd);
-		return -1;
-	}
-#endif
-
-	if (setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(int)) == -1) {
-		perror("setsockopt()");
-		socket_close(sfd);
-		return -1;
-	}
-
-#ifdef WIN32
-	ioctlsocket(sfd, FIONBIO, &l_yes);
-#else
-	int flags = fcntl(sfd, F_GETFL, 0);
-	fcntl(sfd, F_SETFL, flags | O_NONBLOCK);
-#endif
-
-	do {
-		if (connect(sfd, addr, addrlen) != -1) {
-			break;
-		}
-#ifdef WIN32
-		if (WSAGetLastError() == WSAEWOULDBLOCK)
-#else
-		if (errno == EINPROGRESS)
-#endif
-		{
-			fd_set fds;
-			FD_ZERO(&fds);
-			FD_SET(sfd, &fds);
-
-			struct timeval timeout;
-			timeout.tv_sec = CONNECT_TIMEOUT / 1000;
-			timeout.tv_usec = (CONNECT_TIMEOUT - (timeout.tv_sec * 1000)) * 1000;
-			if (select(sfd + 1, NULL, &fds, NULL, &timeout) == 1) {
-				int so_error;
-				socklen_t len = sizeof(so_error);
-				getsockopt(sfd, SOL_SOCKET, SO_ERROR, (void*)&so_error, &len);
-				if (so_error == 0) {
-					errno = 0;
-					break;
-				}
-				errno = so_error;
-			}
-		}
-		socket_close(sfd);
-		sfd = -1;
-	} while (0);
-
-	if (sfd < 0) {
-		if (verbose >= 2) {
-			char addrtxt[48];
-			socket_addr_to_string(addr, addrtxt, sizeof(addrtxt));
-			fprintf(stderr, "%s: Could not connect to %s port %d\n", __func__, addrtxt, port);
-		}
-		return -1;
-	}
-
-	if (setsockopt(sfd, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(int)) == -1) {
-		perror("Could not set TCP_NODELAY on socket");
-	}
-
-	if (setsockopt(sfd, SOL_SOCKET, SO_SNDBUF, (void*)&bufsize, sizeof(int)) == -1) {
-		perror("Could not set send buffer for socket");
-	}
-
-	if (setsockopt(sfd, SOL_SOCKET, SO_RCVBUF, (void*)&bufsize, sizeof(int)) == -1) {
-		perror("Could not set receive buffer for socket");
-	}
-
-	return sfd;
-}
-
-int socket_connect(const char *addr, uint16_t port)
-{
-	int sfd = -1;
-	int yes = 1;
-	int bufsize = 0x20000;
-	struct addrinfo hints;
-	struct addrinfo *result, *rp;
-	char portstr[8];
-	int res;
-#ifdef WIN32
-	u_long l_yes = 1;
-	WSADATA wsa_data;
-	if (!wsa_init) {
-		if (WSAStartup(MAKEWORD(2,2), &wsa_data) != ERROR_SUCCESS) {
-			fprintf(stderr, "WSAStartup failed!\n");
-			ExitProcess(-1);
-		}
-		wsa_init = 1;
-	}
-#else
-	int flags = 0;
-#endif
-
-	if (!addr) {
-		errno = EINVAL;
-		return -1;
-	}
-
-	memset(&hints, '\0', sizeof(struct addrinfo));
-	hints.ai_family = AF_UNSPEC;
-	hints.ai_socktype = SOCK_STREAM;
-	hints.ai_flags = AI_NUMERICSERV;
-	hints.ai_protocol = IPPROTO_TCP;
-
-	sprintf(portstr, "%d", port);
-
-	res = getaddrinfo(addr, portstr, &hints, &result);
-	if (res != 0) {
-		fprintf(stderr, "%s: getaddrinfo: %s\n", __func__, gai_strerror(res));
-		return -1;
-	}
-
-	for (rp = result; rp != NULL; rp = rp->ai_next) {
-		sfd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
-		if (sfd == -1) {
-			continue;
-		}
-
-#ifdef SO_NOSIGPIPE
-		if (setsockopt(sfd, SOL_SOCKET, SO_NOSIGPIPE, (void*)&yes, sizeof(int)) == -1) {
-			perror("setsockopt()");
-			socket_close(sfd);
-			return -1;
-		}
-#endif
-
-		if (setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(int)) == -1) {
-			perror("setsockopt()");
-			socket_close(sfd);
-			continue;
-		}
-
-#ifdef WIN32
-		ioctlsocket(sfd, FIONBIO, &l_yes);
-#else
-		flags = fcntl(sfd, F_GETFL, 0);
-		fcntl(sfd, F_SETFL, flags | O_NONBLOCK);
-#endif
-
-		if (connect(sfd, rp->ai_addr, rp->ai_addrlen) != -1) {
-			break;
-		}
-#ifdef WIN32
-		if (WSAGetLastError() == WSAEWOULDBLOCK)
-#else
-		if (errno == EINPROGRESS)
-#endif
-		{
-			fd_set fds;
-			FD_ZERO(&fds);
-			FD_SET(sfd, &fds);
-
-			struct timeval timeout;
-			timeout.tv_sec = CONNECT_TIMEOUT / 1000;
-			timeout.tv_usec = (CONNECT_TIMEOUT - (timeout.tv_sec * 1000)) * 1000;
-			if (select(sfd + 1, NULL, &fds, NULL, &timeout) == 1) {
-				int so_error;
-				socklen_t len = sizeof(so_error);
-				getsockopt(sfd, SOL_SOCKET, SO_ERROR, (void*)&so_error, &len);
-				if (so_error == 0) {
-					break;
-				}
-			}
-		}
-		socket_close(sfd);
-	}
-
-	freeaddrinfo(result);
-
-	if (rp == NULL) {
-		if (verbose >= 2)
-			fprintf(stderr, "%s: Could not connect to %s:%d\n", __func__, addr, port);
-		return -1;
-	}
-
-	if (setsockopt(sfd, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(int)) == -1) {
-		perror("Could not set TCP_NODELAY on socket");
-	}
-
-	if (setsockopt(sfd, SOL_SOCKET, SO_SNDBUF, (void*)&bufsize, sizeof(int)) == -1) {
-		perror("Could not set send buffer for socket");
-	}
-
-	if (setsockopt(sfd, SOL_SOCKET, SO_RCVBUF, (void*)&bufsize, sizeof(int)) == -1) {
-		perror("Could not set receive buffer for socket");
-	}
-
-	return sfd;
-}
-
-int socket_check_fd(int fd, fd_mode fdm, unsigned int timeout)
-{
-	fd_set fds;
-	int sret;
-	int eagain;
-	struct timeval to;
-	struct timeval *pto;
-
-	if (fd < 0) {
-		if (verbose >= 2)
-			fprintf(stderr, "ERROR: invalid fd in check_fd %d\n", fd);
-		return -1;
-	}
-
-	FD_ZERO(&fds);
-	FD_SET(fd, &fds);
-
-	sret = -1;
-
-	do {
-		if (timeout > 0) {
-			to.tv_sec = (time_t) (timeout / 1000);
-			to.tv_usec = (time_t) ((timeout - (to.tv_sec * 1000)) * 1000);
-			pto = &to;
-		} else {
-			pto = NULL;
-		}
-		eagain = 0;
-		switch (fdm) {
-		case FDM_READ:
-			sret = select(fd + 1, &fds, NULL, NULL, pto);
-			break;
-		case FDM_WRITE:
-			sret = select(fd + 1, NULL, &fds, NULL, pto);
-			break;
-		case FDM_EXCEPT:
-			sret = select(fd + 1, NULL, NULL, &fds, pto);
-			break;
-		default:
-			return -1;
-		}
-
-		if (sret < 0) {
-			switch (errno) {
-			case EINTR:
-				// interrupt signal in select
-				if (verbose >= 2)
-					fprintf(stderr, "%s: EINTR\n", __func__);
-				eagain = 1;
-				break;
-			case EAGAIN:
-				if (verbose >= 2)
-					fprintf(stderr, "%s: EAGAIN\n", __func__);
-				break;
-			default:
-				if (verbose >= 2)
-					fprintf(stderr, "%s: select failed: %s\n", __func__,
-							strerror(errno));
-				return -1;
-			}
-		} else if (sret == 0) {
-			return -ETIMEDOUT;
-		}
-	} while (eagain);
-
-	return sret;
-}
-
-int socket_accept(int fd, uint16_t port)
-{
-#ifdef WIN32
-	int addr_len;
-#else
-	socklen_t addr_len;
-#endif
-	int result;
-	struct sockaddr_storage addr;
-	addr_len = sizeof(addr);
-
-	result = accept(fd, (struct sockaddr*)&addr, &addr_len);
-
-	return result;
-}
-
-int socket_shutdown(int fd, int how)
-{
-	return shutdown(fd, how);
-}
-
-int socket_close(int fd) {
-#ifdef WIN32
-	return closesocket(fd);
-#else
-	return close(fd);
-#endif
-}
-
-int socket_receive(int fd, void *data, size_t length)
-{
-	return socket_receive_timeout(fd, data, length, 0, RECV_TIMEOUT);
-}
-
-int socket_peek(int fd, void *data, size_t length)
-{
-	return socket_receive_timeout(fd, data, length, MSG_PEEK, RECV_TIMEOUT);
-}
-
-int socket_receive_timeout(int fd, void *data, size_t length, int flags,
-					 unsigned int timeout)
-{
-	int res;
-	int result;
-
-	// check if data is available
-	res = socket_check_fd(fd, FDM_READ, timeout);
-	if (res <= 0) {
-		return res;
-	}
-	// if we get here, there _is_ data available
-	result = recv(fd, data, length, flags);
-	if (res > 0 && result == 0) {
-		// but this is an error condition
-		if (verbose >= 3)
-			fprintf(stderr, "%s: fd=%d recv returned 0\n", __func__, fd);
-		return -ECONNRESET;
-	}
-	if (result < 0) {
-		return -errno;
-	}
-	return result;
-}
-
-int socket_send(int fd, void *data, size_t length)
-{
-	int flags = 0;
-	int res = socket_check_fd(fd, FDM_WRITE, SEND_TIMEOUT);
-	if (res <= 0) {
-		return res;
-	}
-#ifdef MSG_NOSIGNAL
-	flags |= MSG_NOSIGNAL;
-#endif
-	return send(fd, data, length, flags);
-}
diff --git a/common/socket.h b/common/socket.h
deleted file mode 100644
index 9567270..0000000
--- a/common/socket.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * socket.h
- *
- * Copyright (C) 2012-2020 Nikias Bassen <nikias@gmx.li>
- * Copyright (C) 2012 Martin Szulecki <m.szulecki@libimobiledevice.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#ifndef SOCKET_SOCKET_H
-#define SOCKET_SOCKET_H
-
-#include <stdlib.h>
-#include <stdint.h>
-
-enum fd_mode {
-	FDM_READ,
-	FDM_WRITE,
-	FDM_EXCEPT
-};
-typedef enum fd_mode fd_mode;
-
-#ifdef WIN32
-#include <winsock2.h>
-#define SHUT_RD SD_READ
-#define SHUT_WR SD_WRITE
-#define SHUT_RDWR SD_BOTH
-#else
-#include <sys/socket.h>
-#endif
-
-#ifndef WIN32
-int socket_create_unix(const char *filename);
-int socket_connect_unix(const char *filename);
-#endif
-int socket_create(const char *addr, uint16_t port);
-int socket_connect_addr(struct sockaddr *addr, uint16_t port);
-int socket_connect(const char *addr, uint16_t port);
-int socket_check_fd(int fd, fd_mode fdm, unsigned int timeout);
-int socket_accept(int fd, uint16_t port);
-
-int socket_shutdown(int fd, int how);
-int socket_close(int fd);
-
-int socket_receive(int fd, void *data, size_t length);
-int socket_peek(int fd, void *data, size_t length);
-int socket_receive_timeout(int fd, void *data, size_t length, int flags,
-					 unsigned int timeout);
-
-int socket_send(int fd, void *data, size_t length);
-
-void socket_set_verbose(int level);
-
-const char *socket_addr_to_string(struct sockaddr *addr, char *addr_out, size_t addr_out_size);
-
-#endif	/* SOCKET_SOCKET_H */
diff --git a/common/thread.c b/common/thread.c
deleted file mode 100644
index eb535ab..0000000
--- a/common/thread.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * thread.c
- *
- * Copyright (c) 2012-2019 Nikias Bassen, All Rights Reserved.
- * Copyright (c) 2012 Martin Szulecki, All Rights Reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "thread.h"
-
-int thread_new(THREAD_T *thread, thread_func_t thread_func, void* data)
-{
-#ifdef WIN32
-	HANDLE th = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)thread_func, data, 0, NULL);
-	if (th == NULL) {
-		return -1;
-	}
-	*thread = th;
-	return 0;
-#else
-	int res = pthread_create(thread, NULL, thread_func, data);
-	return res;
-#endif
-}
-
-void thread_detach(THREAD_T thread)
-{
-#ifdef WIN32
-	CloseHandle(thread);
-#else
-	pthread_detach(thread);
-#endif
-}
-
-void thread_free(THREAD_T thread)
-{
-#ifdef WIN32
-	CloseHandle(thread);
-#endif
-}
-
-int thread_join(THREAD_T thread)
-{
-	/* wait for thread to complete */
-#ifdef WIN32
-	return (int)WaitForSingleObject(thread, INFINITE);
-#else
-	return pthread_join(thread, NULL);
-#endif
-}
-
-int thread_alive(THREAD_T thread)
-{
-#ifdef WIN32
-	return WaitForSingleObject(thread, 0) == WAIT_TIMEOUT;
-#else
-	return pthread_kill(thread, 0) == 0;
-#endif
-}
-
-int thread_cancel(THREAD_T thread)
-{
-#ifdef WIN32
-	return -1;
-#else
-#ifdef HAVE_PTHREAD_CANCEL
-	return pthread_cancel(thread);
-#else
-	return -1;
-#endif
-#endif
-}
-
-void mutex_init(mutex_t* mutex)
-{
-#ifdef WIN32
-	InitializeCriticalSection(mutex);
-#else
-	pthread_mutex_init(mutex, NULL);
-#endif
-}
-
-void mutex_destroy(mutex_t* mutex)
-{
-#ifdef WIN32
-	DeleteCriticalSection(mutex);
-#else
-	pthread_mutex_destroy(mutex);
-#endif
-}
-
-void mutex_lock(mutex_t* mutex)
-{
-#ifdef WIN32
-	EnterCriticalSection(mutex);
-#else
-	pthread_mutex_lock(mutex);
-#endif
-}
-
-void mutex_unlock(mutex_t* mutex)
-{
-#ifdef WIN32
-	LeaveCriticalSection(mutex);
-#else
-	pthread_mutex_unlock(mutex);
-#endif
-}
-
-void thread_once(thread_once_t *once_control, void (*init_routine)(void))
-{
-#ifdef WIN32
-	while (InterlockedExchange(&(once_control->lock), 1) != 0) {
-		Sleep(1);
-	}
-	if (!once_control->state) {
-		once_control->state = 1;
-		init_routine();
-	}
-	InterlockedExchange(&(once_control->lock), 0);
-#else
-	pthread_once(once_control, init_routine);
-#endif
-}
diff --git a/common/thread.h b/common/thread.h
deleted file mode 100644
index 23e4510..0000000
--- a/common/thread.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * thread.h
- *
- * Copyright (c) 2012-2019 Nikias Bassen, All Rights Reserved.
- * Copyright (c) 2012 Martin Szulecki, All Rights Reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#ifndef __THREAD_H
-#define __THREAD_H
-
-#include <stddef.h>
-
-#ifdef WIN32
-#include <windows.h>
-typedef HANDLE THREAD_T;
-typedef CRITICAL_SECTION mutex_t;
-typedef volatile struct {
-	LONG lock;
-	int state;
-} thread_once_t;
-#define THREAD_ONCE_INIT {0, 0}
-#define THREAD_ID GetCurrentThreadId()
-#define THREAD_T_NULL (THREAD_T)NULL
-#else
-#include <pthread.h>
-#include <signal.h>
-typedef pthread_t THREAD_T;
-typedef pthread_mutex_t mutex_t;
-typedef pthread_once_t thread_once_t;
-#define THREAD_ONCE_INIT PTHREAD_ONCE_INIT
-#define THREAD_ID pthread_self()
-#define THREAD_T_NULL (THREAD_T)NULL
-#endif
-
-typedef void* (*thread_func_t)(void* data);
-
-int thread_new(THREAD_T* thread, thread_func_t thread_func, void* data);
-void thread_detach(THREAD_T thread);
-void thread_free(THREAD_T thread);
-int thread_join(THREAD_T thread);
-int thread_alive(THREAD_T thread);
-
-int thread_cancel(THREAD_T thread);
-
-#ifdef WIN32
-#undef HAVE_THREAD_CLEANUP
-#else
-#ifdef HAVE_PTHREAD_CANCEL
-#define HAVE_THREAD_CLEANUP 1
-#define thread_cleanup_push(routine, arg) pthread_cleanup_push(routine, arg)
-#define thread_cleanup_pop(execute) pthread_cleanup_pop(execute)
-#endif
-#endif
-
-void mutex_init(mutex_t* mutex);
-void mutex_destroy(mutex_t* mutex);
-void mutex_lock(mutex_t* mutex);
-void mutex_unlock(mutex_t* mutex);
-
-void thread_once(thread_once_t *once_control, void (*init_routine)(void));
-
-#endif
diff --git a/common/userpref.c b/common/userpref.c
index bf7e1bd..32904c7 100644
--- a/common/userpref.c
+++ b/common/userpref.c
@@ -73,9 +73,10 @@
 #include <shlobj.h>
 #endif
 
+#include <libimobiledevice-glue/utils.h>
+
 #include "userpref.h"
 #include "debug.h"
-#include "utils.h"
 
 #if defined(HAVE_GNUTLS)
 const ASN1_ARRAY_TYPE pkcs1_asn1_tab[] = {
diff --git a/common/utils.c b/common/utils.c
deleted file mode 100644
index 58dac02..0000000
--- a/common/utils.c
+++ /dev/null
@@ -1,530 +0,0 @@
-/*
- * utils.c
- * Miscellaneous utilities for string manipulation,
- * file I/O and plist helper.
- *
- * Copyright (c) 2014-2019 Nikias Bassen, All Rights Reserved.
- * Copyright (c) 2013-2014 Martin Szulecki, All Rights Reserved.
- * Copyright (c) 2013 Federico Mena Quintero
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdarg.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <sys/time.h>
-#include <inttypes.h>
-#include <ctype.h>
-
-#include "utils.h"
-
-#ifndef HAVE_STPCPY
-/**
- * Copy characters from one string into another
- *
- * @note: The strings should not overlap, as the behavior is undefined.
- *
- * @s1: The source string.
- * @s2: The destination string.
- *
- * @return a pointer to the terminating `\0' character of @s1,
- * or NULL if @s1 or @s2 is NULL.
- */
-char *stpcpy(char *s1, const char *s2)
-{
-	if (s1 == NULL || s2 == NULL)
-		return NULL;
-
-	strcpy(s1, s2);
-
-	return s1 + strlen(s2);
-}
-#endif
-
-/**
- * Concatenate strings into a newly allocated string
- *
- * @note: Specify NULL for the last string in the varargs list
- *
- * @str: The first string in the list
- * @...: Subsequent strings.  Use NULL for the last item.
- *
- * @return a newly allocated string, or NULL if @str is NULL.  This will also
- * return NULL and set errno to ENOMEM if memory is exhausted.
- */
-char *string_concat(const char *str, ...)
-{
-	size_t len;
-	va_list args;
-	char *s;
-	char *result;
-	char *dest;
-
-	if (!str)
-		return NULL;
-
-	/* Compute final length */
-
-	len = strlen(str) + 1; /* plus 1 for the null terminator */
-
-	va_start(args, str);
-	s = va_arg(args, char *);
-	while (s) {
-		len += strlen(s);
-		s = va_arg(args, char*);
-	}
-	va_end(args);
-
-	/* Concat each string */
-
-	result = malloc(len);
-	if (!result)
-		return NULL; /* errno remains set */
-
-	dest = result;
-
-	dest = stpcpy(dest, str);
-
-	va_start(args, str);
-	s = va_arg(args, char *);
-	while (s) {
-		dest = stpcpy(dest, s);
-		s = va_arg(args, char *);
-	}
-	va_end(args);
-
-	return result;
-}
-
-char *string_append(char* str, ...)
-{
-	size_t len = 0;
-	size_t slen;
-	va_list args;
-	char *s;
-	char *result;
-	char *dest;
-
-	/* Compute final length */
-
-	if (str) {
-		len = strlen(str);
-	}
-	slen = len;
-	len++; /* plus 1 for the null terminator */
-
-	va_start(args, str);
-	s = va_arg(args, char *);
-	while (s) {
-		len += strlen(s);
-		s = va_arg(args, char*);
-	}
-	va_end(args);
-
-	result = realloc(str, len);
-	if (!result)
-		return NULL; /* errno remains set */
-
-	dest = result + slen;
-
-	/* Concat additional strings */
-
-	va_start(args, str);
-	s = va_arg(args, char *);
-	while (s) {
-		dest = stpcpy(dest, s);
-		s = va_arg(args, char *);
-	}
-	va_end(args);
-
-	return result;
-}
-
-char *string_build_path(const char *elem, ...)
-{
-	if (!elem)
-		return NULL;
-	va_list args;
-	int len = strlen(elem)+1;
-	va_start(args, elem);
-	char *arg = va_arg(args, char*);
-	while (arg) {
-		len += strlen(arg)+1;
-		arg = va_arg(args, char*);
-	}
-	va_end(args);
-
-	char* out = (char*)malloc(len);
-	strcpy(out, elem);
-
-	va_start(args, elem);
-	arg = va_arg(args, char*);
-	while (arg) {
-		strcat(out, "/");
-		strcat(out, arg);
-		arg = va_arg(args, char*);
-	}
-	va_end(args);
-	return out;
-}
-
-char *string_format_size(uint64_t size)
-{
-	char buf[80];
-	double sz;
-	if (size >= 1000000000000LL) {
-		sz = ((double)size / 1000000000000.0f);
-		sprintf(buf, "%0.1f TB", sz);
-	} else if (size >= 1000000000LL) {
-		sz = ((double)size / 1000000000.0f);
-		sprintf(buf, "%0.1f GB", sz);
-	} else if (size >= 1000000LL) {
-		sz = ((double)size / 1000000.0f);
-		sprintf(buf, "%0.1f MB", sz);
-	} else if (size >= 1000LL) {
-		sz = ((double)size / 1000.0f);
-		sprintf(buf, "%0.1f KB", sz);
-	} else {
-		sprintf(buf, "%d Bytes", (int)size);
-	}
-	return strdup(buf);
-}
-
-char *string_toupper(char* str)
-{
-	char *res = strdup(str);
-	unsigned int i;
-	for (i = 0; i < strlen(res); i++) {
-		res[i] = toupper(res[i]);
-	}
-	return res;
-}
-
-static int get_rand(int min, int max)
-{
-	int retval = (rand() % (max - min)) + min;
-	return retval;
-}
-
-char *generate_uuid()
-{
-	const char *chars = "ABCDEF0123456789";
-	int i = 0;
-	char *uuid = (char *) malloc(sizeof(char) * 37);
-
-	srand(time(NULL));
-
-	for (i = 0; i < 36; i++) {
-		if (i == 8 || i == 13 || i == 18 || i == 23) {
-			uuid[i] = '-';
-			continue;
-		} else {
-			uuid[i] = chars[get_rand(0, 16)];
-		}
-	}
-
-	/* make it a real string */
-	uuid[36] = '\0';
-
-	return uuid;
-}
-
-void buffer_read_from_filename(const char *filename, char **buffer, uint64_t *length)
-{
-	FILE *f;
-	uint64_t size;
-
-	*length = 0;
-
-	f = fopen(filename, "rb");
-	if (!f) {
-		return;
-	}
-
-	fseek(f, 0, SEEK_END);
-	size = ftell(f);
-	rewind(f);
-
-	if (size == 0) {
-		fclose(f);
-		return;
-	}
-
-	*buffer = (char*)malloc(sizeof(char)*(size+1));
-	if (fread(*buffer, sizeof(char), size, f) != size) {
-		fclose(f);
-		return;
-	}
-	fclose(f);
-
-	*length = size;
-}
-
-void buffer_write_to_filename(const char *filename, const char *buffer, uint64_t length)
-{
-	FILE *f;
-
-	f = fopen(filename, "wb");
-	if (f) {
-		fwrite(buffer, sizeof(char), length, f);
-		fclose(f);
-	}
-}
-
-int plist_read_from_filename(plist_t *plist, const char *filename)
-{
-	char *buffer = NULL;
-	uint64_t length;
-
-	if (!filename)
-		return 0;
-
-	buffer_read_from_filename(filename, &buffer, &length);
-
-	if (!buffer) {
-		return 0;
-	}
-
-	if ((length > 8) && (memcmp(buffer, "bplist00", 8) == 0)) {
-		plist_from_bin(buffer, length, plist);
-	} else {
-		plist_from_xml(buffer, length, plist);
-	}
-
-	free(buffer);
-
-	return 1;
-}
-
-int plist_write_to_filename(plist_t plist, const char *filename, enum plist_format_t format)
-{
-	char *buffer = NULL;
-	uint32_t length;
-
-	if (!plist || !filename)
-		return 0;
-
-	if (format == PLIST_FORMAT_XML)
-		plist_to_xml(plist, &buffer, &length);
-	else if (format == PLIST_FORMAT_BINARY)
-		plist_to_bin(plist, &buffer, &length);
-	else
-		return 0;
-
-	buffer_write_to_filename(filename, buffer, length);
-
-	free(buffer);
-
-	return 1;
-}
-
-static const char base64_str[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-static const char base64_pad = '=';
-
-static char *base64encode(const unsigned char *buf, size_t size)
-{
-	if (!buf || !(size > 0)) return NULL;
-	int outlen = (size / 3) * 4;
-	char *outbuf = (char*)malloc(outlen+5); // 4 spare bytes + 1 for '\0'
-	size_t n = 0;
-	size_t m = 0;
-	unsigned char input[3];
-	unsigned int output[4];
-	while (n < size) {
-		input[0] = buf[n];
-		input[1] = (n+1 < size) ? buf[n+1] : 0;
-		input[2] = (n+2 < size) ? buf[n+2] : 0;
-		output[0] = input[0] >> 2;
-		output[1] = ((input[0] & 3) << 4) + (input[1] >> 4);
-		output[2] = ((input[1] & 15) << 2) + (input[2] >> 6);
-		output[3] = input[2] & 63;
-		outbuf[m++] = base64_str[(int)output[0]];
-		outbuf[m++] = base64_str[(int)output[1]];
-		outbuf[m++] = (n+1 < size) ? base64_str[(int)output[2]] : base64_pad;
-		outbuf[m++] = (n+2 < size) ? base64_str[(int)output[3]] : base64_pad;
-		n+=3;
-	}
-	outbuf[m] = 0; // 0-termination!
-	return outbuf;
-}
-
-static void plist_node_print_to_stream(plist_t node, int* indent_level, FILE* stream);
-
-static void plist_array_print_to_stream(plist_t node, int* indent_level, FILE* stream)
-{
-	/* iterate over items */
-	int i, count;
-	plist_t subnode = NULL;
-
-	count = plist_array_get_size(node);
-
-	for (i = 0; i < count; i++) {
-		subnode = plist_array_get_item(node, i);
-		fprintf(stream, "%*s", *indent_level, "");
-		fprintf(stream, "%d: ", i);
-		plist_node_print_to_stream(subnode, indent_level, stream);
-	}
-}
-
-static void plist_dict_print_to_stream(plist_t node, int* indent_level, FILE* stream)
-{
-	/* iterate over key/value pairs */
-	plist_dict_iter it = NULL;
-
-	char* key = NULL;
-	plist_t subnode = NULL;
-	plist_dict_new_iter(node, &it);
-	plist_dict_next_item(node, it, &key, &subnode);
-	while (subnode)
-	{
-		fprintf(stream, "%*s", *indent_level, "");
-		fprintf(stream, "%s", key);
-		if (plist_get_node_type(subnode) == PLIST_ARRAY)
-			fprintf(stream, "[%d]: ", plist_array_get_size(subnode));
-		else
-			fprintf(stream, ": ");
-		free(key);
-		key = NULL;
-		plist_node_print_to_stream(subnode, indent_level, stream);
-		plist_dict_next_item(node, it, &key, &subnode);
-	}
-	free(it);
-}
-
-static void plist_node_print_to_stream(plist_t node, int* indent_level, FILE* stream)
-{
-	char *s = NULL;
-	char *data = NULL;
-	double d;
-	uint8_t b;
-	uint64_t u = 0;
-	struct timeval tv = { 0, 0 };
-
-	plist_type t;
-
-	if (!node)
-		return;
-
-	t = plist_get_node_type(node);
-
-	switch (t) {
-	case PLIST_BOOLEAN:
-		plist_get_bool_val(node, &b);
-		fprintf(stream, "%s\n", (b ? "true" : "false"));
-		break;
-
-	case PLIST_UINT:
-		plist_get_uint_val(node, &u);
-		fprintf(stream, "%"PRIu64"\n", u);
-		break;
-
-	case PLIST_REAL:
-		plist_get_real_val(node, &d);
-		fprintf(stream, "%f\n", d);
-		break;
-
-	case PLIST_STRING:
-		plist_get_string_val(node, &s);
-		fprintf(stream, "%s\n", s);
-		free(s);
-		break;
-
-	case PLIST_KEY:
-		plist_get_key_val(node, &s);
-		fprintf(stream, "%s: ", s);
-		free(s);
-		break;
-
-	case PLIST_DATA:
-		plist_get_data_val(node, &data, &u);
-		if (u > 0) {
-			s = base64encode((unsigned char*)data, u);
-			free(data);
-			if (s) {
-				fprintf(stream, "%s\n", s);
-				free(s);
-			} else {
-				fprintf(stream, "\n");
-			}
-		} else {
-			fprintf(stream, "\n");
-		}
-		break;
-
-	case PLIST_DATE:
-		plist_get_date_val(node, (int32_t*)&tv.tv_sec, (int32_t*)&tv.tv_usec);
-		{
-			time_t ti = (time_t)tv.tv_sec + MAC_EPOCH;
-			struct tm *btime = localtime(&ti);
-			if (btime) {
-				s = (char*)malloc(24);
- 				memset(s, 0, 24);
-				if (strftime(s, 24, "%Y-%m-%dT%H:%M:%SZ", btime) <= 0) {
-					free (s);
-					s = NULL;
-				}
-			}
-		}
-		if (s) {
-			fprintf(stream, "%s\n", s);
-			free(s);
-		} else {
-			fprintf(stream, "\n");
-		}
-		break;
-
-	case PLIST_ARRAY:
-		fprintf(stream, "\n");
-		(*indent_level)++;
-		plist_array_print_to_stream(node, indent_level, stream);
-		(*indent_level)--;
-		break;
-
-	case PLIST_DICT:
-		fprintf(stream, "\n");
-		(*indent_level)++;
-		plist_dict_print_to_stream(node, indent_level, stream);
-		(*indent_level)--;
-		break;
-
-	default:
-		break;
-	}
-}
-
-void plist_print_to_stream(plist_t plist, FILE* stream)
-{
-	int indent = 0;
-
-	if (!plist || !stream)
-		return;
-
-	switch (plist_get_node_type(plist)) {
-	case PLIST_DICT:
-		plist_dict_print_to_stream(plist, &indent, stream);
-		break;
-	case PLIST_ARRAY:
-		plist_array_print_to_stream(plist, &indent, stream);
-		break;
-	default:
-		plist_node_print_to_stream(plist, &indent, stream);
-	}
-}
diff --git a/common/utils.h b/common/utils.h
deleted file mode 100644
index 2c3acec..0000000
--- a/common/utils.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * utils.h
- * Miscellaneous utilities for string manipulation,
- * file I/O and plist helper.
- *
- * Copyright (c) 2014-2019 Nikias Bassen, All Rights Reserved.
- * Copyright (c) 2013-2014 Martin Szulecki, All Rights Reserved.
- * Copyright (c) 2013 Federico Mena Quintero
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#ifndef __UTILS_H
-#define __UTILS_H
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#ifdef WIN32
-#include <windows.h>
-#endif
-
-#include <stdio.h>
-#include <plist/plist.h>
-
-#define MAC_EPOCH 978307200
-
-#ifndef HAVE_STPCPY
-char *stpcpy(char *s1, const char *s2);
-#endif
-char *string_concat(const char *str, ...);
-char *string_append(char *str, ...);
-char *string_build_path(const char *elem, ...);
-char *string_format_size(uint64_t size);
-char *string_toupper(char *str);
-char *generate_uuid(void);
-
-void buffer_read_from_filename(const char *filename, char **buffer, uint64_t *length);
-void buffer_write_to_filename(const char *filename, const char *buffer, uint64_t length);
-
-enum plist_format_t {
-	PLIST_FORMAT_XML,
-	PLIST_FORMAT_BINARY
-};
-
-int plist_read_from_filename(plist_t *plist, const char *filename);
-int plist_write_to_filename(plist_t plist, const char *filename, enum plist_format_t format);
-
-void plist_print_to_stream(plist_t plist, FILE* stream);
-
-#endif