diff options
Diffstat (limited to 'qemu/tests/qemu-iotests/socket_scm_helper.c')
-rw-r--r-- | qemu/tests/qemu-iotests/socket_scm_helper.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/qemu/tests/qemu-iotests/socket_scm_helper.c b/qemu/tests/qemu-iotests/socket_scm_helper.c deleted file mode 100644 index 80cadf43b..000000000 --- a/qemu/tests/qemu-iotests/socket_scm_helper.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - * SCM_RIGHTS with unix socket help program for test - * - * Copyright IBM, Inc. 2013 - * - * Authors: - * Wenchao Xia <xiawenc@linux.vnet.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2 or later. - * See the COPYING.LIB file in the top-level directory. - */ - -#include "qemu/osdep.h" -#include <sys/socket.h> -#include <sys/un.h> - -/* #define SOCKET_SCM_DEBUG */ - -/* - * @fd and @fd_to_send will not be checked for validation in this function, - * a blank will be sent as iov data to notify qemu. - */ -static int send_fd(int fd, int fd_to_send) -{ - struct msghdr msg; - struct iovec iov[1]; - int ret; - char control[CMSG_SPACE(sizeof(int))]; - struct cmsghdr *cmsg; - - memset(&msg, 0, sizeof(msg)); - memset(control, 0, sizeof(control)); - - /* Send a blank to notify qemu */ - iov[0].iov_base = (void *)" "; - iov[0].iov_len = 1; - - msg.msg_iov = iov; - msg.msg_iovlen = 1; - - msg.msg_control = control; - msg.msg_controllen = sizeof(control); - - cmsg = CMSG_FIRSTHDR(&msg); - - cmsg->cmsg_len = CMSG_LEN(sizeof(int)); - cmsg->cmsg_level = SOL_SOCKET; - cmsg->cmsg_type = SCM_RIGHTS; - memcpy(CMSG_DATA(cmsg), &fd_to_send, sizeof(int)); - - do { - ret = sendmsg(fd, &msg, 0); - } while (ret < 0 && errno == EINTR); - - if (ret < 0) { - fprintf(stderr, "Failed to send msg, reason: %s\n", strerror(errno)); - } - - return ret; -} - -/* Convert string to fd number. */ -static int get_fd_num(const char *fd_str) -{ - int sock; - char *err; - - errno = 0; - sock = strtol(fd_str, &err, 10); - if (errno) { - fprintf(stderr, "Failed in strtol for socket fd, reason: %s\n", - strerror(errno)); - return -1; - } - if (!*fd_str || *err || sock < 0) { - fprintf(stderr, "bad numerical value for socket fd '%s'\n", fd_str); - return -1; - } - - return sock; -} - -/* - * To make things simple, the caller needs to specify: - * 1. socket fd. - * 2. path of the file to be sent. - */ -int main(int argc, char **argv, char **envp) -{ - int sock, fd, ret; - -#ifdef SOCKET_SCM_DEBUG - int i; - for (i = 0; i < argc; i++) { - fprintf(stderr, "Parameter %d: %s\n", i, argv[i]); - } -#endif - - if (argc != 3) { - fprintf(stderr, - "Usage: %s < socket-fd > < file-path >\n", - argv[0]); - return EXIT_FAILURE; - } - - - sock = get_fd_num(argv[1]); - if (sock < 0) { - return EXIT_FAILURE; - } - - /* Now only open a file in readonly mode for test purpose. If more precise - control is needed, use python script in file operation, which is - supposed to fork and exec this program. */ - fd = open(argv[2], O_RDONLY); - if (fd < 0) { - fprintf(stderr, "Failed to open file '%s'\n", argv[2]); - return EXIT_FAILURE; - } - - ret = send_fd(sock, fd); - if (ret < 0) { - close(fd); - return EXIT_FAILURE; - } - - close(fd); - return EXIT_SUCCESS; -} |