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| author | 2014-02-10 21:22:59 +0100 | |
|---|---|---|
| committer | 2014-02-10 21:22:59 +0100 | |
| commit | 9cc128a83cb590c249c11914297fb5a0c6c0549b (patch) | |
| tree | 8076b848323ff66e59503c46e116b5e3606ae5d8 /src/sock_stuff.c | |
| parent | b16986f04b1c6652330f656d175ff134a9adce2b (diff) | |
| download | libusbmuxd-9cc128a83cb590c249c11914297fb5a0c6c0549b.tar.gz libusbmuxd-9cc128a83cb590c249c11914297fb5a0c6c0549b.tar.bz2 | |
Replace socket implementation and fix indentation in iproxy sources
Diffstat (limited to 'src/sock_stuff.c')
| -rw-r--r-- | src/sock_stuff.c | 375 | 
1 files changed, 0 insertions, 375 deletions
| diff --git a/src/sock_stuff.c b/src/sock_stuff.c deleted file mode 100644 index 609c8ad..0000000 --- a/src/sock_stuff.c +++ /dev/null @@ -1,375 +0,0 @@ -/* -	libusbmuxd - client library to talk to usbmuxd - -Copyright (C) 2009	Nikias Bassen <nikias@gmx.li> -Copyright (C) 2009	Paul Sladen <libiphone@paul.sladen.org> -Copyright (C) 2009	Martin Szulecki <opensuse@sukimashita.com> - -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 General Public License for more details. - -You should have received a copy of the GNU Lesser General Public -License along with this program; if not, write to the Free Software -Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA - -*/ - -#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 <windows.h> -#include <winsock2.h> -static int wsa_init = 0; -#else -#include <sys/socket.h> -#include <sys/un.h> -#include <netinet/in.h> -#include <netdb.h> -#include <arpa/inet.h> -#endif -#include "sock_stuff.h" - -#define RECV_TIMEOUT 20000 - -static int verbose = 0; - -void sock_stuff_set_verbose(int level) -{ -	verbose = level; -} - -#ifndef WIN32 -int create_unix_socket(const char *filename) -{ -	struct sockaddr_un name; -	int sock; -	size_t size; - -	// remove if still present -	unlink(filename); - -	/* Create the socket. */ -	sock = socket(PF_LOCAL, SOCK_STREAM, 0); -	if (sock < 0) { -		perror("socket"); -		return -1; -	} - -	/* Bind a name to the socket. */ -	name.sun_family = AF_LOCAL; -	strncpy(name.sun_path, filename, sizeof(name.sun_path)); -	name.sun_path[sizeof(name.sun_path) - 1] = '\0'; - -	/* The size of the address is -	   the offset of the start of the filename, -	   plus its length, -	   plus one for the terminating null byte. -	   Alternatively you can just do: -	   size = SUN_LEN (&name); -	 */ -	size = (offsetof(struct sockaddr_un, sun_path) -			+ strlen(name.sun_path) + 1); - -	if (bind(sock, (struct sockaddr *) &name, size) < 0) { -		perror("bind"); -		close_socket(sock); -		return -1; -	} - -	if (listen(sock, 10) < 0) { -		perror("listen"); -		close_socket(sock); -		return -1; -	} - -	return sock; -} - -int connect_unix_socket(const char *filename) -{ -	struct sockaddr_un name; -	int sfd = -1; -	size_t size; -	struct stat fst; - -	// 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_LOCAL, SOCK_STREAM, 0)) < 0) { -		if (verbose >= 2) -			fprintf(stderr, "%s: socket: %s\n", __func__, strerror(errno)); -		return -1; -	} -	// and connect to 'filename' -	name.sun_family = AF_LOCAL; -	strncpy(name.sun_path, filename, sizeof(name.sun_path)); -	name.sun_path[sizeof(name.sun_path) - 1] = 0; - -	size = (offsetof(struct sockaddr_un, sun_path) -			+ strlen(name.sun_path) + 1); - -	if (connect(sfd, (struct sockaddr *) &name, size) < 0) { -		close_socket(sfd); -		if (verbose >= 2) -			fprintf(stderr, "%s: connect: %s\n", __func__, -					strerror(errno)); -		return -1; -	} - -	return sfd; -} -#endif - -int create_socket(uint16_t port) -{ -	int sfd = -1; -	int yes = 1; -#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 -	struct sockaddr_in saddr; - -	if (0 > (sfd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP))) { -		perror("socket()"); -		return -1; -	} - -	if (setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(int)) == -1) { -		perror("setsockopt()"); -		close_socket(sfd); -		return -1; -	} - -	memset((void *) &saddr, 0, sizeof(saddr)); -	saddr.sin_family = AF_INET; -	saddr.sin_addr.s_addr = htonl(INADDR_ANY); -	saddr.sin_port = htons(port); - -	if (0 > bind(sfd, (struct sockaddr *) &saddr, sizeof(saddr))) { -		perror("bind()"); -		close_socket(sfd); -		return -1; -	} - -	if (listen(sfd, 1) == -1) { -		perror("listen()"); -		close_socket(sfd); -		return -1; -	} - -	return sfd; -} - -#if defined(WIN32) || defined(__CYGWIN__) -int connect_socket(const char *addr, uint16_t port) -{ -	int sfd = -1; -	int yes = 1; -	struct hostent *hp; -	struct sockaddr_in saddr; -#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 - -	if (!addr) { -		errno = EINVAL; -		return -1; -	} - -	if ((hp = gethostbyname(addr)) == NULL) { -		if (verbose >= 2) -			fprintf(stderr, "%s: unknown host '%s'\n", __func__, addr); -		return -1; -	} - -	if (!hp->h_addr) { -		if (verbose >= 2) -			fprintf(stderr, "%s: gethostbyname returned NULL address!\n", -					__func__); -		return -1; -	} - -	if (0 > (sfd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP))) { -		perror("socket()"); -		return -1; -	} - -	if (setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(int)) == -1) { -		perror("setsockopt()"); -		close_socket(sfd); -		return -1; -	} - -	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"); -		close_socket(sfd); -		return -2; -	} - -	return sfd; -} -#endif /* WIN32 || __CYGWIN__ */ - -int 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); - -	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; -	} - -	sret = -1; - -	do { -		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; -			} -		} -	} while (eagain); - -	return sret; -} - -int shutdown_socket(int fd, int how) -{ -	return shutdown(fd, how); -} - -int close_socket(int fd) { -#ifdef WIN32 -	return closesocket(fd); -#else -	return close(fd); -#endif -} - -int recv_buf(int fd, void *data, size_t length) -{ -	return recv_buf_timeout(fd, data, length, 0, RECV_TIMEOUT); -} - -int peek_buf(int fd, void *data, size_t length) -{ -	return recv_buf_timeout(fd, data, length, MSG_PEEK, RECV_TIMEOUT); -} - -int recv_buf_timeout(int fd, void *data, size_t length, int flags, -					 unsigned int timeout) -{ -	int res; -	int result; - -	// check if data is available -	res = 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 -EAGAIN; -	} -	if (result < 0) { -		return -errno; -	} -	return result; -} - -int send_buf(int fd, void *data, size_t length) -{ -	return send(fd, data, length, 0); -} | 
