diff options
| -rw-r--r-- | common/socket.c | 113 | ||||
| -rw-r--r-- | configure.ac | 1 | ||||
| -rw-r--r-- | src/libusbmuxd.c | 44 | 
3 files changed, 127 insertions, 31 deletions
| diff --git a/common/socket.c b/common/socket.c index 0fb4ba8..a2f8eec 100644 --- a/common/socket.c +++ b/common/socket.c @@ -1,8 +1,8 @@  /*   * socket.c   * + * Copyright (C) 2012-2018 Nikias Bassen <nikias@gmx.li>   * Copyright (C) 2012 Martin Szulecki <m.szulecki@libimobiledevice.org> - * Copyright (C) 2012 Nikias Bassen <nikias@gmx.li>   *   * This library is free software; you can redistribute it and/or   * modify it under the terms of the GNU Lesser General Public @@ -19,6 +19,9 @@   * 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> @@ -29,6 +32,7 @@  #include <sys/stat.h>  #ifdef WIN32  #include <winsock2.h> +#include <ws2tcpip.h>  #include <windows.h>  static int wsa_init = 0;  #else @@ -38,10 +42,12 @@ static int wsa_init = 0;  #include <netinet/tcp.h>  #include <netdb.h>  #include <arpa/inet.h> +#include <fcntl.h>  #endif  #include "socket.h"  #define RECV_TIMEOUT 20000 +#define CONNECT_TIMEOUT 5000  static int verbose = 0; @@ -82,7 +88,7 @@ int socket_create_unix(const char *filename)  	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) { +	if (bind(sock, (struct sockaddr*)&name, sizeof(name)) < 0) {  		perror("bind");  		socket_close(sock);  		return -1; @@ -143,7 +149,6 @@ int socket_connect_unix(const char *filename)  		return -1;  	}  #endif -  	// and connect to 'filename'  	name.sun_family = AF_UNIX;  	strncpy(name.sun_path, filename, sizeof(name.sun_path)); @@ -221,9 +226,13 @@ int socket_connect(const char *addr, uint16_t port)  	int sfd = -1;  	int yes = 1;  	int bufsize = 0x20000; -	struct hostent *hp; -	struct sockaddr_in saddr; +	struct addrinfo hints; +	struct addrinfo *result, *rp; +	char portstr[8]; +	int res;  #ifdef WIN32 +	u_long l_yes = 1; +	u_long l_no = 0;  	WSADATA wsa_data;  	if (!wsa_init) {  		if (WSAStartup(MAKEWORD(2,2), &wsa_data) != ERROR_SUCCESS) { @@ -232,6 +241,8 @@ int socket_connect(const char *addr, uint16_t port)  		}  		wsa_init = 1;  	} +#else +	int flags = 0;  #endif  	if (!addr) { @@ -239,30 +250,81 @@ int socket_connect(const char *addr, uint16_t port)  		return -1;  	} -	if ((hp = gethostbyname(addr)) == NULL) { -		if (verbose >= 2) -			fprintf(stderr, "%s: unknown host '%s'\n", __func__, addr); -		return -1; -	} +	memset(&hints, '\0', sizeof(struct addrinfo)); +	hints.ai_family = AF_UNSPEC; +	hints.ai_socktype = SOCK_STREAM; +	hints.ai_flags = 0; +	hints.ai_protocol = IPPROTO_TCP; -	if (!hp->h_addr) { -		if (verbose >= 2) -			fprintf(stderr, "%s: gethostbyname returned NULL address!\n", -					__func__); +	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;  	} -	if (0 > (sfd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP))) { -		perror("socket()"); -		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()"); +			close(sfd); +			continue; +		} + +#ifdef WIN32 +		ioctlsocket(sfd, FIONBIO, &l_yes); +#else +		fcntl(sfd, F_SETFL, 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; +				} +			} +		} +		close(sfd);  	} -	if (setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(int)) == -1) { -		perror("setsockopt()"); -		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;  	} +#ifdef WIN32 +	ioctlsocket(sfd, FIONBIO, &l_no); +#else +	flags = fcntl(sfd, F_GETFL, 0); +	fcntl(sfd, F_SETFL, flags & (~O_NONBLOCK)); +#endif +  #ifdef SO_NOSIGPIPE  	if (setsockopt(sfd, SOL_SOCKET, SO_NOSIGPIPE, (void*)&yes, sizeof(int)) == -1) {  		perror("setsockopt()"); @@ -283,17 +345,6 @@ int socket_connect(const char *addr, uint16_t port)  		perror("Could not set receive buffer for socket");  	} -	memset((void *) &saddr, 0, sizeof(saddr)); -	saddr.sin_family = AF_INET; -	saddr.sin_addr.s_addr = *(uint32_t *) hp->h_addr; -	saddr.sin_port = htons(port); - -	if (connect(sfd, (struct sockaddr *) &saddr, sizeof(saddr)) < 0) { -		perror("connect"); -		socket_close(sfd); -		return -2; -	} -  	return sfd;  } diff --git a/configure.ac b/configure.ac index ab056b6..d64e116 100644 --- a/configure.ac +++ b/configure.ac @@ -74,6 +74,7 @@ case ${host_os} in    *mingw32*|*cygwin*)      AC_MSG_RESULT([yes])      win32=true +    AC_DEFINE(WINVER, 0x0501, [minimum Windows version])      ;;    darwin*)      AC_MSG_RESULT([no]) diff --git a/src/libusbmuxd.c b/src/libusbmuxd.c index 0aaae24..30fa207 100644 --- a/src/libusbmuxd.c +++ b/src/libusbmuxd.c @@ -143,6 +143,50 @@ static usbmuxd_device_info_t *devices_find(uint32_t handle)   */  static int connect_usbmuxd_socket()  { +	char *usbmuxd_socket_addr = getenv("USBMUXD_SOCKET_ADDRESS"); +	if (usbmuxd_socket_addr) { +		if (strncmp(usbmuxd_socket_addr, "UNIX:", 5) == 0) { +#if defined(WIN32) || defined(__CYGWIN__) +			/* not supported, ignore */ +#else +			if (usbmuxd_socket_addr[5] != '\0') { +				return socket_connect_unix(usbmuxd_socket_addr+5); +			} +#endif +		} else { +			uint16_t port = 0; +			char *p = strrchr(usbmuxd_socket_addr, ':'); +			if (p) { +				char *endp = NULL; +				long l_port = strtol(p+1, &endp, 10); +				if (endp && *endp == '\0') { +					if (l_port > 0 && l_port < 65536) { +						port = (uint16_t)l_port; +					} +				} +			} +			if (p && port > 0) { +				char *connect_addr = NULL; +				if (usbmuxd_socket_addr[0] == '[') { +					connect_addr = strdup(usbmuxd_socket_addr+1); +					connect_addr[p - usbmuxd_socket_addr - 1] = '\0'; +					p = strrchr(connect_addr, ']'); +					if (p) { +						*p = '\0'; +					} +				} else { +					connect_addr = strdup(usbmuxd_socket_addr); +					connect_addr[p - usbmuxd_socket_addr] = '\0'; +				} +				if (connect_addr && *connect_addr != '\0') { +					int res = socket_connect(connect_addr, port); +					free(connect_addr); +					return res; +				} +				free(connect_addr); +			} +		} +	}  #if defined(WIN32) || defined(__CYGWIN__)  	return socket_connect("127.0.0.1", USBMUXD_SOCKET_PORT);  #else | 
