From 305450ad5fc9d8027a35a67f3136d81e4ecf74e2 Mon Sep 17 00:00:00 2001 From: Chow Loong Jin Date: Fri, 3 Oct 2014 13:24:19 +0200 Subject: Move socket and collection functions to a convenience library This avoids the iproxy tool from relying on undocumented library ABI. --- src/Makefile.am | 9 +- src/collection.c | 80 ---------- src/collection.h | 47 ------ src/socket.c | 435 ------------------------------------------------------- src/socket.h | 65 --------- 5 files changed, 3 insertions(+), 633 deletions(-) delete mode 100644 src/collection.c delete mode 100644 src/collection.h delete mode 100644 src/socket.c delete mode 100644 src/socket.h (limited to 'src') diff --git a/src/Makefile.am b/src/Makefile.am index 4cd338e..cc6b589 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -1,15 +1,12 @@ -AM_CPPFLAGS = -I$(top_srcdir)/include +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/common AM_CFLAGS = $(GLOBAL_CFLAGS) $(libplist_CFLAGS) AM_LDFLAGS = $(GLOBAL_LIBS) $(libpthread_LIBS) $(libplist_LIBS) lib_LTLIBRARIES = libusbmuxd.la libusbmuxd_la_LDFLAGS = $(AM_LDFLAGS) -version-info $(LIBUSBMUXD_SO_VERSION) -no-undefined -libusbmuxd_la_LIBADD = -libusbmuxd_la_SOURCES = \ - collection.c collection.h \ - socket.c socket.h \ - libusbmuxd.c +libusbmuxd_la_LIBADD = $(top_builddir)/common/libinternalcommon.la +libusbmuxd_la_SOURCES = libusbmuxd.c if WIN32 libusbmuxd_la_LDFLAGS += -avoid-version diff --git a/src/collection.c b/src/collection.c deleted file mode 100644 index ccc4016..0000000 --- a/src/collection.c +++ /dev/null @@ -1,80 +0,0 @@ -/* - * collection.c - * - * Copyright (C) 2009 Hector Martin - * Copyright (C) 2009 Nikias Bassen - * - * 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 -#endif - -#include -#include -#include -#include "collection.h" - -void collection_init(struct collection *col) -{ - col->list = malloc(sizeof(void *)); - memset(col->list, 0, sizeof(void *)); - col->capacity = 1; -} - -void collection_free(struct collection *col) -{ - free(col->list); - col->list = NULL; - col->capacity = 0; -} - -void collection_add(struct collection *col, void *element) -{ - int i; - for(i=0; icapacity; i++) { - if(!col->list[i]) { - col->list[i] = element; - return; - } - } - col->list = realloc(col->list, sizeof(void*) * col->capacity * 2); - memset(&col->list[col->capacity], 0, sizeof(void *) * col->capacity); - col->list[col->capacity] = element; - col->capacity *= 2; -} - -void collection_remove(struct collection *col, void *element) -{ - int i; - for(i=0; icapacity; i++) { - if(col->list[i] == element) { - col->list[i] = NULL; - return; - } - } - fprintf(stderr, "%s: WARNING: element %p not present in collection %p (cap %d)", __func__, element, col, col->capacity); -} - -int collection_count(struct collection *col) -{ - int i, cnt = 0; - for(i=0; icapacity; i++) { - if(col->list[i]) - cnt++; - } - return cnt; -} diff --git a/src/collection.h b/src/collection.h deleted file mode 100644 index a91a465..0000000 --- a/src/collection.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - * collection.h - * - * Copyright (C) 2009 Hector Martin - * Copyright (C) 2009 Nikias Bassen - * - * 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 COLLECTION_H -#define COLLECTION_H - -struct collection { - void **list; - int capacity; -}; - -void collection_init(struct collection *col); -void collection_add(struct collection *col, void *element); -void collection_remove(struct collection *col, void *element); -int collection_count(struct collection *col); -void collection_free(struct collection *col); - -#define FOREACH(var, col) \ - do { \ - int _iter; \ - for(_iter=0; _iter<(col)->capacity; _iter++) { \ - if(!(col)->list[_iter]) continue; \ - var = (col)->list[_iter]; - -#define ENDFOREACH \ - } \ - } while(0); - -#endif diff --git a/src/socket.c b/src/socket.c deleted file mode 100644 index 27b93ba..0000000 --- a/src/socket.c +++ /dev/null @@ -1,435 +0,0 @@ -/* - * socket.c - * - * Copyright (C) 2012 Martin Szulecki - * Copyright (C) 2012 Nikias Bassen - * - * 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 - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#ifdef WIN32 -#include -#include -static int wsa_init = 0; -#else -#include -#include -#include -#include -#include -#endif -#include "socket.h" - -#define RECV_TIMEOUT 20000 - -static int verbose = 0; - -void socket_set_verbose(int level) -{ - verbose = level; -} - -#ifndef WIN32 -int socket_create_unix(const char *filename) -{ - struct sockaddr_un name; - int sock; - size_t size; -#ifdef SO_NOSIGPIPE - int yes = 1; -#endif - - // remove if still present - unlink(filename); - - /* Create the socket. */ - sock = socket(PF_LOCAL, 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_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"); - socket_close(sock); - return -1; - } - - if (listen(sock, 10) < 0) { - perror("listen"); - socket_close(sock); - return -1; - } - - return sock; -} - -int socket_connect_unix(const char *filename) -{ - struct sockaddr_un name; - int sfd = -1; - size_t size; - struct stat fst; -#ifdef SO_NOSIGPIPE - int yes = 1; -#endif - - // 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; - } - -#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_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) { - socket_close(sfd); - if (verbose >= 2) - fprintf(stderr, "%s: connect: %s\n", __func__, - strerror(errno)); - return -1; - } - - return sfd; -} -#endif - -int socket_create(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()"); - socket_close(sfd); - 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 - - 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()"); - socket_close(sfd); - return -1; - } - - if (listen(sfd, 1) == -1) { - perror("listen()"); - socket_close(sfd); - return -1; - } - - return sfd; -} - -int socket_connect(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()"); - socket_close(sfd); - 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 - - 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; -} - -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); - - 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 socket_accept(int fd, uint16_t port) -{ -#ifdef WIN32 - int addr_len; -#else - socklen_t addr_len; -#endif - int result; - struct sockaddr_in addr; - - memset(&addr, 0, sizeof(addr)); - addr.sin_family = AF_INET; - addr.sin_addr.s_addr = htonl(INADDR_ANY); - addr.sin_port = htons(port); - - 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 -EAGAIN; - } - if (result < 0) { - return -errno; - } - return result; -} - -int socket_send(int fd, void *data, size_t length) -{ - int flags = 0; -#ifdef MSG_NOSIGNAL - flags |= MSG_NOSIGNAL; -#endif - return send(fd, data, length, flags); -} diff --git a/src/socket.h b/src/socket.h deleted file mode 100644 index e31de6b..0000000 --- a/src/socket.h +++ /dev/null @@ -1,65 +0,0 @@ -/* - * socket.h - * - * Copyright (C) 2012 Martin Szulecki - * Copyright (C) 2012 Nikias Bassen - * - * 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 -#include - -enum fd_mode { - FDM_READ, - FDM_WRITE, - FDM_EXCEPT -}; -typedef enum fd_mode fd_mode; - -#ifdef WIN32 -#include -#define SHUT_RD SD_READ -#define SHUT_WR SD_WRITE -#define SHUT_RDWR SD_BOTH -#else -#include -#endif - -#ifndef WIN32 -int socket_create_unix(const char *filename); -int socket_connect_unix(const char *filename); -#endif -int socket_create(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 size); -int socket_peek(int fd, void *data, size_t size); -int socket_receive_timeout(int fd, void *data, size_t size, int flags, - unsigned int timeout); - -int socket_send(int fd, void *data, size_t size); - -void socket_set_verbose(int level); - -#endif /* SOCKET_SOCKET_H */ -- cgit v1.1-32-gdbae