diff options
-rw-r--r-- | socketutils.c | 65 |
1 files changed, 25 insertions, 40 deletions
diff --git a/socketutils.c b/socketutils.c index 640c67321..885119848 100644 --- a/socketutils.c +++ b/socketutils.c @@ -78,29 +78,14 @@ print_sockaddr_by_inode_cached(const unsigned long inode) } static bool -inet_send_query(const int fd, const int family, const int proto) +send_query(const int fd, void *req, size_t req_size) { struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK }; - struct { - const struct nlmsghdr nlh; - const struct inet_diag_req_v2 idr; - } req = { - .nlh = { - .nlmsg_len = sizeof(req), - .nlmsg_type = SOCK_DIAG_BY_FAMILY, - .nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST - }, - .idr = { - .sdiag_family = family, - .sdiag_protocol = proto, - .idiag_states = -1 - } - }; struct iovec iov = { - .iov_base = &req, - .iov_len = sizeof(req) + .iov_base = req, + .iov_len = req_size }; const struct msghdr msg = { .msg_name = &nladdr, @@ -119,6 +104,27 @@ inet_send_query(const int fd, const int family, const int proto) } } +static bool +inet_send_query(const int fd, const int family, const int proto) +{ + struct { + const struct nlmsghdr nlh; + const struct inet_diag_req_v2 idr; + } req = { + .nlh = { + .nlmsg_len = sizeof(req), + .nlmsg_type = SOCK_DIAG_BY_FAMILY, + .nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST + }, + .idr = { + .sdiag_family = family, + .sdiag_protocol = proto, + .idiag_states = -1 + } + }; + return send_query(fd, &req, sizeof(req)); +} + static int inet_parse_response(const char *const proto_name, const void *const data, const int data_len, const unsigned long inode) @@ -232,9 +238,6 @@ inet_print(const int fd, const int family, const int protocol, static bool unix_send_query(const int fd, const unsigned long inode) { - struct sockaddr_nl nladdr = { - .nl_family = AF_NETLINK - }; struct { const struct nlmsghdr nlh; const struct unix_diag_req udr; @@ -251,25 +254,7 @@ unix_send_query(const int fd, const unsigned long inode) .udiag_show = UDIAG_SHOW_NAME | UDIAG_SHOW_PEER } }; - struct iovec iov = { - .iov_base = &req, - .iov_len = sizeof(req) - }; - const struct msghdr msg = { - .msg_name = &nladdr, - .msg_namelen = sizeof(nladdr), - .msg_iov = &iov, - .msg_iovlen = 1 - }; - - for (;;) { - if (sendmsg(fd, &msg, 0) < 0) { - if (errno == EINTR) - continue; - return false; - } - return true; - } + return send_query(fd, &req, sizeof(req)); } static int |