| 36 | #include "netgraph.h" |
| 37 | |
| 38 | static int |
| 39 | ngctl(int cmd, void *data, size_t len) |
| 40 | { |
| 41 | struct ff_msg *msg, *retmsg = NULL; |
| 42 | |
| 43 | msg = ff_ipc_msg_alloc(); |
| 44 | if (msg == NULL) { |
| 45 | errno = ENOMEM; |
| 46 | return -1; |
| 47 | } |
| 48 | |
| 49 | if (len > msg->buf_len) { |
| 50 | errno = EINVAL; |
| 51 | ff_ipc_msg_free(msg); |
| 52 | return -1; |
| 53 | } |
| 54 | |
| 55 | msg->msg_type = FF_NGCTL; |
| 56 | msg->ngctl.cmd = cmd; |
| 57 | msg->ngctl.data = msg->buf_addr; |
| 58 | |
| 59 | switch (cmd) { |
| 60 | case NGCTL_SOCKET: |
| 61 | case NGCTL_CLOSE: |
| 62 | memcpy(msg->ngctl.data, data, len); |
| 63 | break; |
| 64 | case NGCTL_BIND: |
| 65 | case NGCTL_CONNECT: |
| 66 | { |
| 67 | struct bind_args *src = (struct bind_args *)data; |
| 68 | struct bind_args *dst = (struct bind_args *)(msg->ngctl.data); |
| 69 | dst->s = src->s; |
| 70 | dst->name = (char *)msg->buf_addr + sizeof(struct bind_args); |
| 71 | dst->namelen = src->namelen; |
| 72 | memcpy(dst->name, src->name, src->namelen); |
| 73 | break; |
| 74 | } |
| 75 | case NGCTL_SEND: |
| 76 | { |
| 77 | struct sendto_args *src = (struct sendto_args *)data; |
| 78 | struct sendto_args *dst = (struct sendto_args *)(msg->ngctl.data); |
| 79 | dst->s = src->s; |
| 80 | dst->buf = (char *)msg->buf_addr + sizeof(struct sendto_args); |
| 81 | dst->len = src->len; |
| 82 | dst->flags = src->flags; |
| 83 | dst->to = dst->buf + src->len; |
| 84 | dst->tolen = src->tolen; |
| 85 | memcpy(dst->buf, src->buf, src->len); |
| 86 | memcpy(dst->to, src->to, src->tolen); |
| 87 | break; |
| 88 | } |
| 89 | case NGCTL_RECV: |
| 90 | { |
| 91 | struct recvfrom_args *src = (struct recvfrom_args *)data; |
| 92 | struct recvfrom_args *dst = (struct recvfrom_args *)(msg->ngctl.data); |
| 93 | dst->s = src->s; |
| 94 | dst->buf = msg->buf_addr + sizeof(struct recvfrom_args); |
| 95 | dst->len = src->len; |
no test coverage detected