diff options
Diffstat (limited to 'tap.c')
| -rw-r--r-- | tap.c | 52 |
1 files changed, 29 insertions, 23 deletions
@@ -1236,19 +1236,14 @@ void tap_sock_init(struct ctx *c) tap6_l4[i].p = PACKET_INIT(pool_l4, UIO_MAXIOV, pkt_buf, sz); } - if (c->fd_tap != -1) { - if (c->one_off) { /* Passed as --fd */ - struct epoll_event ev = { 0 }; - - ev.data.fd = c->fd_tap; - ev.events = EPOLLIN | EPOLLET | EPOLLRDHUP; - epoll_ctl(c->epollfd, EPOLL_CTL_ADD, c->fd_tap, &ev); - return; - } + if (c->fd_tap != -1) { /* Passed as --fd */ + struct epoll_event ev = { 0 }; + ASSERT(c->one_off); - epoll_ctl(c->epollfd, EPOLL_CTL_DEL, c->fd_tap, NULL); - close(c->fd_tap); - c->fd_tap = -1; + ev.data.fd = c->fd_tap; + ev.events = EPOLLIN | EPOLLET | EPOLLRDHUP; + epoll_ctl(c->epollfd, EPOLL_CTL_ADD, c->fd_tap, &ev); + return; } if (c->mode == MODE_PASST) { @@ -1260,6 +1255,26 @@ void tap_sock_init(struct ctx *c) } /** + * tap_sock_reset() - Handle closing or failure of connect AF_UNIX socket + * @c: Execution context + */ +static void tap_sock_reset(struct ctx *c) +{ + if (c->one_off) { + info("Client closed connection, exiting"); + exit(EXIT_SUCCESS); + } + + if (c->mode == MODE_PASTA) + die("Error on tap device, exiting"); + + /* Close the connected socket, wait for a new connection */ + epoll_ctl(c->epollfd, EPOLL_CTL_DEL, c->fd_tap, NULL); + close(c->fd_tap); + c->fd_tap = -1; +} + +/** * tap_handler() - Packet handler for AF_UNIX or tuntap file descriptor * @c: Execution context * @fd: File descriptor where event occurred @@ -1276,15 +1291,6 @@ void tap_handler(struct ctx *c, int fd, uint32_t events, if ((c->mode == MODE_PASST && tap_handler_passt(c, now)) || (c->mode == MODE_PASTA && tap_handler_pasta(c, now)) || - (events & (EPOLLRDHUP | EPOLLHUP | EPOLLERR))) { - if (c->one_off) { - info("Client closed connection, exiting"); - exit(EXIT_SUCCESS); - } - - if (c->mode == MODE_PASTA) - die("Error on tap device, exiting"); - - tap_sock_init(c); - } + (events & (EPOLLRDHUP | EPOLLHUP | EPOLLERR))) + tap_sock_reset(c); } |